Abstract:
This invention is related to a sleeve labeling machine, which includes a center column, a transmission device, and a cutter device. The said center column can unfold the shrink film, and a roll of the transmission device will carry the shrink film and let the said shrink film sleeve the center column Then, the said cutter device will cut the shrink film, and another roll of transmission device will keep pulling each cut shrink film to cover the surface of a bottle or a can. Finally, the transmission device will convoy bottles or cans to the next device, and let the shrink film combine with the bottle or the can to complete the bottle or can sleeve labeling process.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
       [0001]    This application claims priority to Taiwan Patent Applications No. 103102503, filed on Jan. 23, 2014, the content of which is incorporated herein by reference in its entirety. 
       FIELD OF THE INVENTION 
       [0002]    This invention is related to a sleeve labeling machine, particularly referring to a shrink film synchronous transmission device with label feeding rollers and label pulling rollers equipped between upper and lower portion of a cutter device. By label feeding rollers, the guide shrink film will be continued to guide down, and after the shrink film was cut by the cutter device, label pulling rollers will continue pulling each shrink film to cover the surface of bottles or cans, in order to prevent wrinkles produced by each shrink film to hinder conveyance and ensure the sleeve labeling machine can accurately sleeve the shrink film on cans or bottles. 
       DESCRIPTION OF RELATED ART 
       [0003]    As the currently marketed sleeve labeling machine, such as the “Hot Shrink Film Guide Mechanism”, a new model of publication No. 379728, mainly the feeding rollers are set surrounding at upper, middle and lower center guide column of the frame respectively; a guide roller is set at the feeding roller set corresponding to the center guide column, and a cutter device is set near the lower center guide column, and then a cutting roller is set near the lower of center guide; an adjustment roller is set at the side of feeding roller set base, between which two guide rods are set; a shaft lever is set between two guide rods; the opposite reverse threads are set at the two ends of the shaft lever, and on the opposite reverse threads, two guide blocks are set respectively; below the guide blocks, two wheel seats are fixed respectively; the wheel seat is equipment with feeding rollers, and the rear end of which is equipped with a pulley and a linkage; each feeding roller&#39;s pulley is equipped with a drive belt, and then the entire mechanism can be operated driving by a motor. In other words, the foregoing prior art, primarily by three feeding roller sets at upper, middle and lower center guide column, guide the shrink film on the center guide column to move down; its sole purpose is to make feeding rollers of three seeding roller sets to match the diameter of center guide column so as to adjust the set position, and let the entire mechanism with the shape of cans or bottles show different setting angle, but how to conduct accurate conveyance if the thickness of shrink film subject to change is really in doubt. 
         [0004]    To this end, the present inventor with many years of experience in the design and manufacture of related equipment, studied the structure problem especially for the foregoing prior art to carry out this invention. In addition, this invention need two guide roller sets only, placed at upper and lower cutter device respectively for synchronous operation. 
       SUMMARY 
       [0005]    The purpose of this invention is to provide a conveyance applied on the shrink film with a variety of thickness, to overcome the quality problem of shrink film, and accurately sleeve the shrink film on cans or bottles. It is an innovative sleeve labeling machine. To achieve the foregoing object, the sleeve labeling machine of this invention includes a shrink film synchronous transmission device at center column equipped with a label feeding roller set to continuously convey the shrink film down and gradually cover the center column, and after which is cut by a cutter device, anther label pulling roller set synchronously continues pulling each shrink film down, in order to accurately cover the surface of cans or bottles. 
         [0006]    The sleeve labeling machine of this invention is mainly centered with the center column, and the label feeding rollers and the label pulling rollers of the shrink film synchronous transmission device are set at upper and lower cutter device respectively, so that the foregoing label feeding rollers and label pulling rollers produce a synchronous feeding and pulling action against shrink film; even very thin shrink film is not difficult to produce wrinkles, each shrink film can completely cover the surface of cans or bottles. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0007]      FIG. 1  is a partial front view of the sleeve labeling machine of this invention. 
           [0008]      FIG. 2  is a partial side view of the sleeve labeling machine of this invention. 
           [0009]      FIG. 3  is a partial rear view of the sleeve labeling machine of this invention. 
           [0010]      FIG. 4  is a partial operation view of the sleeve labeling machine of this invention. 
       
    
    
     DESCRIPTION OF SYMBOLS 
       [0011]    A center column  1 , the first column  1   a,  the second column  1   b,  a cutter trough  1   c,  a shrink film unfolding sheet  10 , the first guide pulleys  11 , the second guide pulleys  12 , the first passive guide rollers  110 , the second passive guide rollers  120 , a shrink film A 
         [0012]    A shrink film synchronous transmission device  2 , label feeding rollers  20 , label pulling rollers  21 , power equipment  22 , transmission belts  220   a,    220   b,    221   a,    221   b,  the first passive label feeding guide rollers  200   a,  the second passive label feeding guide rollers  200   b,  passive label pulling guide rollers  210 , triangle label feeding space  200   c,  cutter device  3 . 
       DETAILED DESCRIPTION OF EMBODIMENTS 
       [0013]    Herein below preferred the sleeve labeling machine of this invention will be described in detail with reference to the accompanying drawings. 
         [0014]    As shown in  FIGS. 1 and 2 , the sleeve labeling machine of this invention includes at least a center column  1 , equipping with the first column  1   a  and the second column  1   b,  and a cutter trough  1   c  between the first column  1   a  and the second column  1   b;  a shrink film unfolding sheet  10  is fixed on the top of the foregoing first column  1   a,  so that the shrink film sheet A, can be unfolded via the foregoing shrink film unfolding sheet  10 ; the first guide pulleys  11  and the second guide pulleys  12  are set at two sides of foregoing center column  1 ; the foregoing first guide pulleys  11  and the second guide pulleys  12  are two sets mounted in front and rear sides of the foregoing center column  1 ; the most ideal is the foregoing two first guide pulleys sets  11  and the foregoing two second guide pulley sets  12  form a corresponding linear state each other. The foregoing first guide pulleys  11  are set at the first column  1   a  of the foregoing center column  1 , and the foregoing second guide pulleys  12  are set at the second column  1   b  of the foregoing center column  1 ; the foregoing first guide pulleys  11  are passive rollers, which can drive synchronously the foregoing first guide pulleys  11  to turn when the shrink film is guided down. The foregoing second guide pulleys  12  are set with an axle as power element to drive (belonging to conventional technology, so not shown in the figure), enabling the foregoing second guide pulleys  12  to turn. The first passive guide rollers  110  and the second passive guide rollers  120  are set within the foregoing center column  1 , against the corresponding position of the foregoing first guide pulleys  11  and the second guide pulleys  12 ; the first passive guide rollers  110  are in contact with the foregoing first guide pulleys  11 , and the foregoing second passive guide rollers  120  are in contact with the foregoing second guide pulleys  12 . By label feeding rollers  20  and passive guide rollers  200 , the unfolded shrink film is pulled down, along with the center column  1 , to the lowest end of the center column  1 , then pushing by the foregoing second guide pulleys  12  and the second passive guide rollers  120 , the shrink film is completed sleeved on cans or bottles. In addition, the foregoing first guide pulleys  11  and the second guide pulleys  12 , and the label feeding rollers  20  and label pulling rollers  21  of the shrink film synchronous transmission device  2  can be set at vertical position; by the foregoing first guide pulleys  11 , the second guide pulleys  12 , and the label feeding rollers  20  and the label pulling rollers  21  of the shrink film synchronous transmission device  2  in contract with the cross shaft plane of the shrink film, the shrink film can be guided to move down smoothly. 
         [0015]    As shown in  FIGS. 1 and 2 , the shrink film synchronous transmission device  2  is set in the middle of the foregoing center column  1 , and between the foregoing first guide pulleys  11  and the second guide pulleys  12 . The foregoing shrink film synchronous transmission device  2  is equipped with label feeding rollers  20  and label pulling rollers  21 ; there are two sets of the foregoing label feeding rollers  20  and two sets of label pulling rollers  21  mounted at right and left sides respectively of the foregoing center column  1 , and the most ideal is presenting by corresponding linear state. The foregoing label feeding rollers  20  are set beside the first column  1   a  of the center column  1 , at the top of the cutter device  3 . And the foregoing label pulling rollers  21  are set at the side of the second column  1   b  of the center column  1 , below the foregoing cutter device  3 ; the foregoing label feeding rollers  20  and the label pulling rollers  21  using power equipment  22  to drive the mandrel (belonging to conventional, no repeat), then with transmission belts  220   a,    220   b,    221   a,  and  221   b  set around the corresponding axles (as  FIGS. 2 and 3 ), to produce the effect of synchronous transmission of label feeding rollers  20  and label pulling rollers  21 , so that the foregoing label feeding rollers  20  and label pulling rollers  21  may turn synchronously, and enable the shrink film conveyed down by foregoing label feeding rollers  20  to be successfully joined and pulled by label pulling rollers  21 , so that this invention can successfully guide and convey the shrink film with a variety of thickness; the first passive label feeding guide rollers  200   a,  the second passive label feeding guide rollers  200   b,  and the passive label pulling guide rollers  210  are set within the foregoing center column  1 , against the corresponding position of the foregoing label feeding rollers  20  and label pulling rollers  21 , namely, the foregoing first passive label feeding guide rollers  200   a,  and the second passive label feeding guide rollers  200   b  are set in the first column  1   a,  and the foregoing passive label pulling guide rollers  210  are set in the second column  1   b  of the center column  1 ; by two points of the foregoing first passive label feeding guide rollers  200   a  and the second passive label feeding guide rollers  200   b  in contact with the foregoing label feeding rollers  20 , forms a triangle label feeding space  200   c,  so that the shrink film can be successfully pulled by the label feeding rollers  20 , the first passive label feeding guide rollers  200   a,  and the second passive label feeding guide rollers  200   b,  and guided to convoy down by the center column  1  as axle; the foregoing passive label pulling guide rollers  210  and the foregoing label pulling rollers  21  at linear contact can continuously produce appropriate pull force to a single shrink film sheet which is convoyed by the label feeding rollers and cut by the cutter device. Thus, by the triangle label feeding space  200   c,  which is formed by two points produced by the first passive label feeding guide rollers  200   a  and the second passive label feeding guide rollers  200   b  in contact with the foregoing label feeding rollers  20 , create the force to convey the shrink film down, and by the label pulling rollers  21  and passive label pulling guide rollers  210 , the single shrink film sheet continuously conveyed from the foregoing label feeding rollers  20 , the first passive label feeding guide rollers  200   a,  and the second passive label feeding guide rollers  200   b,  and after being cut by the cutter device is enough to prevent from wrinkles, so that the shrink film with variety of thickness can be successfully convoyed down to the lowest end of the center column  1 , and then pushed by the foregoing second guide pulleys  12  and the second passive guide rollers  120 , the shrink film can completely cover cans or bottles. 
         [0016]    As shown in  FIGS. 1 ,  3  and  4 , the cutter trough  1  c of the foregoing center column  1  is equipped with a cutter device  3 ; the shrink film which has been convoyed by the foregoing label feeding rollers  20  and the passive label feeding guide rollers  200   a  and  200   b  will be cut by the foregoing cutter device  3 , and then continuously pulled by the foregoing label pulling rollers  21  and passive label pulling guide rollers  210  (as shown in  FIG. 4 ), to form a single shrink film sheet at the second column  1   b  of the foregoing center column  1 , so that the shrink film with a variety of thickness can be successfully conveyed down, and pushed by the foregoing the second guide pulleys  12  and the second passive guide rollers  120 , the shrink film can completely cover cans or bottles. In summary, the sleeve labeling machine of this invention is equipped with label feeding rollers  20  and label pulling rollers  21  in the first column  1   a  and in the second column  1   b  of the center column  1  respectively, and a cutter device is set between the foregoing label feeding rollers  20  and label pulling rollers  21 , in order to cut a single shrink film sheet, and the label pulling rollers continue to pull the single shrink film sheet down. Hence, this invention can operate matching shrink film with a variety of thickness, in order to prevent each shrink film cut producing the wrinkles hindering conveyance and ensure the sleeve labeling machine enables the shrink film to accurately cover cans or bottles. These are advanced components of this invention.