Patent Description:
The invention relates to food and drug packaging devices and methods, in particular to a high-speed filling and plugging system and method.

According to an existing filling and plugging system, a filling device and a plugging device are fixed on one side of a container conveying device, and containers are filled by the filling device and are then plugged by the plugging device. Due to the fact the plugging time is shorter than the filling time, after a first row of containers is filled by the filling device, the filling device has to wait to fill a second row of containers until the first row of containers is plugged by the plugging device, which compromises the production efficiency of the filling and plugging system. In addition, in some filling and plugging systems, both the filling device and the plugging device need to move in the container conveying direction, and containers to be filled and plugged are conveyed rhythmically in this process; moving mechanisms have to cooperate with each other in the filling and plugging process, accurate positioning and cooperation of the filling device, the plugging device and the containers is needed for filling and plugging, and once a positioning deviation occurs in the container filling and plugging process, the operating stability will not be guaranteed. <CIT> discloses a filling and plugging system according to the preamble of claim <NUM>.

The technical issue to be settled by the invention is to overcome the defects in the prior art by providing a high-speed filling and plugging system, which is simple in structure, high in production efficiency and good in operating stability.

A filling and plugging method for the high-speed filling and plugging system according to claim <NUM> is provided in the invention.

To solve the above technical problems, the invention uses the following technical solutions:.

A high-speed filling and plugging system, including a conveying device, a plug delivering device, a filling device, a first plugging device, a second plugging device, and a rubber plug transport device used for transferring rubber plugs to the first plugging device and the second plugging device, wherein the filling device, the first plugging device, the second plugging device, the rubber plug transport device and the plug feeding device are sequentially arranged in a conveying direction of the conveying device, the rubber plug transport device includes a first plugging plate provided with a first rubber plug positioning channel, a second plugging plate provided with a second rubber plug positioning channel, and an eccentric shaft assembly used for driving the first plugging plate and the second plugging plate to rotate to adjust a distance between the first rubber plug positioning channel and the second rubber plug positioning channel, and top plug components are disposed below the plug delivering device.

As a further improvement to the above technical solution:.

The eccentric shaft assembly includes a first rotating shaft and a second rotating shaft which are arranged eccentrically, the first rotating shaft is connected to the first plugging plate, the second rotating shaft is connected to the second plugging plate, the first rotating shaft is a hollow shaft, and the second rotating shaft is disposed in the first rotating shaft; or, the second rotating shaft is a hollow shaft, and the first rotating shaft is disposed in the second rotating shaft.

The rubber plug transport device further includes a driving shaft, first connecting rods are disposed on the driving shaft and the second rotating shaft, second connecting rods are hinged to two ends of the first connecting rod on the driving shaft, ends of the second connecting rods, ends of the first connecting rod on the second rotating shaft and the first rotating shaft are hinged together, and the first connecting rods and the two second connecting rods form a parallelogram link mechanism; or,.

First connecting rods are disposed on the driving shaft and the first rotating shaft, second connecting rods are hinged to two ends of the first connecting rod on the driving shaft; ends of the second connecting rods, ends of the first connecting rod on the first rotating shaft and the second rotating shaft are hinged together, the two first connecting rods and the two second connecting rods form a parallelogram link mechanism.

A connecting pin is disposed between the first plugging plate and the second plugging plate, an elastic element is disposed around the connecting pin, and two ends of the elastic element abut against the first plugging plate and the second plugging plate respectively.

The high-speed filling and plugging system further including a protective cover, the connecting pin and the elastic element are disposed in the protective cover.

The eccentric shaft assembly includes a first rotating shaft and a second rotating shaft which are arranged eccentrically, the first rotating shaft is connected to the first plugging plate, the second rotating shaft is connected to the second plugging plate, and the first rotating shaft and/or the second rotating shaft are/is disposed on a sliding mechanism.

The top plug components include a first top plug component corresponding to the first rubber plug positioning channel and a second top plug component corresponding to the second rubber plug positioning channel.

The filling device includes a filling needle holder capable of reciprocating in the conveying direction of the conveying device and a filling needle disposed on the filling needle holder.

A filling and plugging method for the high-speed filling and plugging system mentioned above, including:.

In the step S2, the filling device moves along the conveying device to fill subsequent rows of containers.

Compared with the prior art, the invention has the following advantages: the high-speed filling and plugging system is provided with the first plugging device and the second plugging device, such that two rows of containers can be plugged at the same time to improve the plugging efficiency, thus improving the production efficiency of the system; the rubber plug transport device can rapidly and accurately transfer two rows of rubber plugs from the plug delivering device to positions below the first plugging device and the second plugging device at the same time, the filling device, the first plugging device and the second plugging device of the system do not need to move along the conveying device, and the conveying device only drives the containers move intermittently or rhythmically, such that the filling device, the plugging devices and the containers can be aligned accurately, and stable operation of the system is guaranteed.

According to the filling and plugging method used for the high-speed filling and plugging system, after two or more rows of containers are filled by the filling device, the front row of containers is plugged by the second plugging device, and the back row of containers is plugged by the first plugging device, such that the production efficiency of the system is improved.

Reference signs: <NUM>, conveying device; <NUM>, plug delivering device; <NUM>, filling device; <NUM>, filling needle holder; <NUM>, filling needle; <NUM>, first plugging device; <NUM>, second plugging device; <NUM>, rubber plug transport device; <NUM>, driving shaft; <NUM>, first plugging plate; <NUM>, connecting pin; <NUM>, elastic element; <NUM>, protective cover; <NUM>, second plugging plate; <NUM>, first rubber plug positioning channel; <NUM>, first rotating shaft; <NUM>, second rotating shaft; <NUM>, second rubber plug positioning channel; <NUM>, sliding mechanism; <NUM>, first connecting rod; <NUM>, second connecting rod; <NUM>, top plug component; <NUM>, first top plug component; <NUM>, second top plug component; <NUM>, container; <NUM>, rubber plug.

The invention will be described in further detail below in conjunction with accompanying drawings and specific embodiments.

<FIG> illustrate one embodiment of a high-speed filling and plugging system provided by the invention. In this embodiment, the high-speed filling and plugging system includes a conveying device <NUM>, a plug delivering device <NUM>, a filling device <NUM>, a first plugging device <NUM>, a second plugging device <NUM>, and a rubber plug transport device <NUM> used for transferring rubber plugs <NUM> to the first plugging device <NUM> and the second plugging device <NUM>, wherein the filling device <NUM>, the first plugging device <NUM>, the second plugging device <NUM>, the rubber plug transport device <NUM> and the plug delivering device <NUM> are sequentially arranged along the conveying device <NUM>, the rubber plug transport device <NUM> includes a first plugging plate <NUM> provided with a first rubber plug positioning channel <NUM>, a second plugging plate <NUM> provided with a second rubber plug positioning channel <NUM>, and an eccentric shaft assembly used for driving the first plugging plate <NUM> and the second plugging plate <NUM> to rotate to adjust the distance between the first rubber plug positioning channel <NUM> and the second rubber plug positioning channel <NUM>, the first rubber plug positioning channel <NUM> corresponds to the first plugging device <NUM>, the second rubber plug positioning device <NUM> corresponds to the second plugging device <NUM>, and top plug components <NUM> are disposed below the plug delivering device <NUM>.

The high-speed filling and plugging system is provided with the first plugging device <NUM> and the second plugging device <NUM>, such that two rows of containers <NUM> can be plugged at the same time to improve the plugging efficiency, thus improving the production efficiency of the system; the rubber plug transport device <NUM> can rapidly and accurately transfer two rows of rubber plugs <NUM> from the plug delivering device <NUM> to positions below the first plugging device and the second plugging device <NUM> at the same time, the filling device <NUM>, the first plugging device <NUM> and the second plugging device <NUM> of the system do not need to move along the conveying device <NUM>, and the conveying device <NUM> only drives the containers <NUM> move intermittently or rhythmically, such that the filling device <NUM>, the plugging devices and the containers <NUM> can be aligned accurately, and stable operation of the system is guaranteed.

Further, in this embodiment, the eccentric shaft assembly includes a first rotating shaft <NUM> and a second rotating shaft <NUM> which are arranged eccentrically, the first rotating shaft <NUM> is connected to the first plugging plate <NUM>, the second rotating shaft <NUM> is connected to the second plugging plate <NUM>, the first rotating shaft <NUM> is a hollow shaft, and the second rotating shaft <NUM> is disposed in the first rotating shaft <NUM>. The first rotating shaft <NUM> drives the first plugging plate <NUM> to rotate, the second rotating shaft <NUM> drives the second plugging plate <NUM> to rotate, and the two rotating shafts are arranged eccentrically, so the distance between the first rubber plug positioning channel <NUM> and the second rubber plug positioning channel <NUM> increases and decreases periodically; when the first rubber plug positioning channel <NUM> and the second rubber plug positioning channel <NUM> are close to each other, plugs can be fed; and when the first rubber plug positioning channel <NUM> and the second rubber plug positioning channel <NUM> are separated from each other, containers can be plugged by the first plugging device <NUM> and the second plugging device <NUM>. The eccentric shaft assembly is compact in overall structure and occupies a small space. Of course, in other embodiments, the second rotating shaft <NUM> may be a hollow shaft, the first rotating shaft <NUM> is disposed in the second rotating shaft <NUM>, and in this case, the purpose of the invention can also be realized.

Further, in this embodiment, the rubber plug transport device <NUM> further includes a driving shaft <NUM>, first connecting rods <NUM> are disposed on the driving shaft <NUM> and the second rotating shaft <NUM>, second connecting rods <NUM> are hinged to two ends of the first connecting rod <NUM> on the driving shaft <NUM>, ends of the second connecting rods <NUM>, ends of the first connecting rod <NUM> on the second rotating shaft <NUM> and the first rotating shaft <NUM> are hinged together, and the two first connecting rods <NUM> and the two second connecting rods <NUM> form a parallelogram link mechanism. Synchronous rotation of the first rotating shaft <NUM> and the second rotating shaft <NUM> which are arranged eccentrically can be realized through the driving shaft <NUM> and the parallelogram link mechanism, such that the number of driving components is reduced, the structure is simplified, and the cost is reduced. Of course, in other embodiments, if the second rotating shaft <NUM> is a hollow shaft and the first rotating shaft <NUM> is disposed in the second rotating shaft <NUM>, first connecting rods <NUM> are disposed on the driving shaft <NUM> and the first rotating shaft <NUM> correspondingly, second connecting rods <NUM> are hinged to two ends of the first connecting rod <NUM> on the driving shaft <NUM>, ends of the second connecting rods <NUM>, ends of the first connecting rod <NUM> on the first rotating shaft <NUM> and the second rotating shaft <NUM> are hinged together, the two first connecting rods <NUM> and the two second connecting rods <NUM> form a parallelogram link mechanism, and in this way, the purpose of the invention can also be realized.

Further, in this embodiment, a connecting pin <NUM> is disposed between the first plugging plate <NUM> and the second plugging plate <NUM>, an elastic element <NUM> is disposed around the connecting pin <NUM>, and two ends of the elastic element <NUM> abut against the first plugging plate <NUM> and the second plugging plate <NUM> respectively. Because only one rotatory driving component is arranged, the connecting pin <NUM> is arranged to transfer rotational driving force between the first plugging plate <NUM> and the second plugging plate <NUM>, and the elastic element <NUM> is disposed around the connecting pin <NUM> to realize flexible connection between the first plugging plate <NUM> and the second plugging plate <NUM>, such that stable and smooth rotation is guaranteed, and the structure is simple and reliable. Preferably, the connecting pin <NUM> and the elastic element <NUM> may be disposed in a protective cover <NUM> to prevent the clean environment of the system from being contaminated by particles caused by friction between the connecting pin <NUM> and the elastic element <NUM>.

Further, in this embodiment, the top plug components <NUM> include a first top plug component <NUM> corresponding to the first rubber plug positioning channel <NUM> and a second top plug component <NUM> corresponding to the second rubber plug positioning channel <NUM>. The first top plug component <NUM> and the second top plug component <NUM> eject plugs synchronously to increase the plug feeding speed, thus further improving the efficiency.

As a preferred technical solution, in this embodiment, because the rubber plug transport device <NUM> can accurately convey the rubber plugs <NUM> to positions below the first plugging device <NUM> and the second plugging device <NUM>, the first plugging device <NUM> and the second plugging device <NUM> just need to move upwards and downwards and do not need to move along the conveying device <NUM>, which guarantees accurate positioning and cooperation of the first plugging device <NUM>, the second plugging device <NUM> and the containers <NUM>.

As a preferred technical solution, in this embodiment, the filling device <NUM> includes a filling needle holder <NUM> capable of reciprocating in the conveying direction of the conveying device <NUM> and a filling needle <NUM> disposed on the filling needle holder <NUM>, that is, the filling needle holder <NUM> drives the filling needle <NUM> to reciprocate along the conveying device <NUM>, and when the containers <NUM> are plugged by the plugging devices, the filling device <NUM> can fill subsequent rows of containers <NUM>, such that the production efficiency of the system is further improved. Of course, in other embodiments, only the filling needle <NUM> of the filling device <NUM> moves upwards and downwards, and the filling needle holder <NUM> does not move, such that accurate positioning and cooperation of the filling device <NUM> and the containers <NUM> can be guaranteed.

<FIG> illustrate another embodiment of the high-speed filling and plugging system of the invention. The high-speed filling and plugging system in this embodiment is basically identical with the high-speed filling and plugging system in Embodiment <NUM>, and differs from the high-speed filling and plugging system in Embodiment <NUM> in the following aspects: in this embodiment, the eccentric shaft assembly includes a first rotating shaft <NUM> and a second rotating shaft <NUM> which are arranged eccentrically, the first rotating shaft <NUM> is connected to the first plugging plate <NUM>, the second rotating shaft <NUM> is connected to the second plugging plate <NUM>, the first rotating shaft <NUM> is disposed on a sliding mechanism <NUM>, that is, the eccentric distance between the first rotating shaft <NUM> and the second rotating shaft <NUM> can be adjusted through the sliding mechanism <NUM> to adapt to filling and plugging of containers of different specifications; however, this structure has the defects that the equipment size is increased and a large area of a plant is occupied. Of course, in other embodiments, the second rotating shaft <NUM> is disposed on a sliding mechanism <NUM>; or the first rotating shaft <NUM> is disposed on a sliding mechanism <NUM> and the second rotating shaft <NUM> is disposed on a sliding mechanism <NUM>.

A filling and plugging method of the filling and plugging system in this embodiment includes the following steps:.

By adopting the filling and plugging method, after two or more rows of containers <NUM> are filled by the filling device <NUM>, the front row of containers <NUM> is plugged by the second plugging device <NUM>, and the back row of containers <NUM> is plugged by the first plugging device <NUM>, such that the production efficiency of the system is improved.

Further, in this embodiment, in S2, the filling needle holder <NUM> drives the filling needle <NUM> to reciprocate in the conveying direction of the conveying device <NUM> to fill subsequent rows of containers <NUM>, such that the production efficiency of the system is further improved.

Further, in this embodiment, the step S3 specifically includes:.

Claim 1:
A high-speed filling and plugging system comprising a conveying device (<NUM>), a plug delivering device (<NUM>), a filling device (<NUM>), a first plugging device (<NUM>), and a rubber plug transport device (<NUM>), characterised in that the system also comprises a second plugging device (<NUM>), wherein the rubber plug transport device (<NUM>) is used for transferring rubber plugs (<NUM>) to the first plugging device (<NUM>) and the second plugging device (<NUM>), wherein the filling device (<NUM>), the first plugging device (<NUM>), the second plugging device (<NUM>), the rubber plug transport device (<NUM>) and the plug delivering device (<NUM>) are sequentially arranged in a conveying direction of the conveying device (<NUM>), the rubber plug transport device (<NUM>) comprises a first plugging plate (<NUM>) provided with a first rubber plug positioning channel (<NUM>), a second plugging plate (<NUM>) provided with a second rubber plug positioning channel (<NUM>), and an eccentric shaft assembly used for driving the first plugging plate (<NUM>) and the second plugging plate (<NUM>) to rotate to adjust a distance between the first rubber plug positioning channel (<NUM>) and the second rubber plug positioning channel (<NUM>), and top plug components (<NUM>) are disposed below the plug delivering device (<NUM>).