Patent ID: 9669953
Date: 2017-06-06
CPC Classifications: B65B

Claim:
1. A packaging machine, comprising: a packaging machine frame; a vertical mounting plate; a horizontal mounting plate fixed at an upper part of the vertical mounting plate, a belt spool; a packaging machine core having a belt feeding and retreating and belt tensioning device, wherein the belt feeding and retreating and belt tensioning device comprises a belt feeding and retreating mechanism and a belt tensioning mechanism; and a belt pre-feeding device, wherein the belt spool, the packaging machine core and the belt pre-feeding device are mounted on the horizontal mounting plate, wherein the belt feeding and retreating mechanism comprises a belt feeding and retreating drive wheel and a belt feeding and retreating driven wheel, wherein the belt feeding and retreating driven wheel is sleeved on a belt feeding and retreating driven wheel axle, wherein the belt feeding and retreating driven wheel axle is driven by a first eccentric mechanism, wherein the belt feeding and retreating mechanism also comprises a first wrench rod and a swing drive mechanism of the first wrench rod, wherein, when driven by the first wrench rod, the first eccentric mechanism rotates, wherein the swing drive mechanism of the first wrench rod moves under control of a first cam, wherein the swing drive mechanism of the first wrench rod is provided with an insert position for insertion of the first wrench rod, wherein, after inserting into the insert position, the first wrench rod, driven by a device constituting the insert position, swings up and down, wherein the insert position comprises a plurality of pins arranged above and below the first wrench rod, respectively, wherein the belt tensioning mechanism comprises a belt tensioning drive wheel and a belt tensioning driven wheel, wherein the belt tensioning driven wheel is sleeved on a belt tensioning driven wheel axle, wherein the belt tensioning driven wheel axle is driven by a second eccentric mechanism, wherein the belt tensioning mechanism also comprises a second wrench rod and a swing drive mechanism of the second wrench rod, wherein, when driven by the second wrench rod, the second eccentric mechanism rotates, wherein the swing drive mechanism of the second wrench rod moves under control of a second cam, wherein the swing drive mechanism of the second wrench rod comprises a connecting rod and a second swing rod arranged vertically, wherein the second swing rod is connected with a first knuckle bearing which is sleeved on the connecting rod, wherein the second wrench rod is connected to a second knuckle bearing which is sleeved and supported on the connecting rod, wherein the second knuckle bearing is positioned under the first knuckle bearing, wherein one end of the connecting rod is in threaded connection with an adjusting nut, wherein the first knuckle bearing is provided with a first pressure spring, wherein a second pressure spring is provided between the first knuckle bearing and the second knuckle bearing, wherein both the first pressure spring and the second pressure spring are sleeved outside the connecting rod, wherein a first swing rod is provided with a rolling element matched with the first cam, wherein the belt feeding and retreating drive wheel and the belt tensioning drive wheel are driven by a belt feeding and retreating and belt tensioning drive motor, wherein the first wrench rod, the second wrench rod and the belt feeding and retreating and belt tensioning drive motor are positioned on a first side of the packaging machine core, wherein the belt feeding and retreating drive wheel, the belt feeding and retreating driven wheel, the belt tensioning drive wheel and the belt tensioning driven wheel are positioned on a second side of the packaging machine core opposite the first side of the packaging machine core, wherein the packaging machine core is internally provided with a hot sticking slide plate mechanism which includes a top slide, a bottom slide, a fixed part provided with a sliding chute, and a hot sticking slide plate swing arm positioned below the bottom slide, wherein the sliding chute includes a top layer guide slot for sliding of the top slide, and a bottom layer guide slot for sliding of the bottom slide, wherein the fixed part provided with the sliding chute includes a left back-up block and a right back-up block which are fixed on a packaging machine core rack, wherein the slide plate mechanism is also provided with a bottom slide chair on which the bottom slide is arranged, wherein the bottom slide chair is provided with a vertical sliding chute connected with the hot sticking slide plate swing arm, wherein the rear of the top slide is connected with a plate which leans against the rear-end of the bottom slide, wherein the plate which leans against the rear-end of the bottom slide is connected with a tension spring which aids the plate to adjoin the bottom slide, wherein the top slide is matched with a left clamp, a middle cutter and a right clamp which are in a cutter mechanism, wherein the hot sticking slide plate swing arm can swing at the side in which the packaging machine core is provided with a belt feeding and retreating and belt tensioning drive motor; wherein the packaging machine core is internally provided with the cutter mechanism which includes the left clamp, the middle cutter and the right clamp, wherein the belt cutter mechanism is also provided with a guide part arranged on the packaging machine core rack, wherein the guide part is internally provided with a vertical lifting guide hole for the left clamp, a vertical lifting guide hole for the middle cutter, and a vertical lifting guide hole for the right clamp, wherein the belt cutter mechanism is also provided with a left cutter guide pillar, a middle cutter guide pillar, and a right cutter guide pillar, wherein the left cutter guide pillar, the middle cutter guide pillar and the right cutter guide pillar are respectively positioned in and slidingly and guidingly matched with the lifting guide hole for the left clamp, the lifting guide hole for the middle cutter and the lifting guide hole for the right clamp, wherein the left clamp, the middle cutter and the right clamp are respectively arranged on the top of the left cutter guide pillar, the middle cutter guide pillar and the right cutter guide pillar, wherein the left cutter guide pillar, the middle cutter guide pillar and the right cutter guide pillar are respectively provided with a mounting hole open downward, wherein the left cutter guide pillar, the middle cutter guide pillar and the right cutter guide pillar are respectively mounted on a lifting drive plunger which is inserted into the mounting hole, wherein between the lifting drive plunger and the mounting hole is provided with a pressure spring; the guide part is a part of the packaging machine core rack,