CN113147093A

CN113147093A - Processing equipment for producing paper-plastic composite bag

Info

Publication number: CN113147093A
Application number: CN202110231782.XA
Authority: CN
Inventors: 王县; 蔡民芝
Original assignee: Nansu Group Zhejiang Science And Technology Co ltd
Current assignee: Nansu Group Zhejiang Science And Technology Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-07-23
Anticipated expiration: 2041-03-02
Also published as: CN113147093B

Abstract

The invention discloses processing equipment for producing a paper-plastic composite bag, which relates to the technical field of paper-plastic composite processing and comprises a base, wherein two first supports are fixed at one end of the top of the base, connecting shafts are rotatably arranged at the tops of the first supports, a winding roller is arranged between the two connecting shafts, a driving motor is fixedly arranged at the bottom of one of the first supports, the driving motor is in transmission connection with one of the connecting shafts through a belt transmission assembly, and a rocker is fixedly arranged at the outer end of the connecting shaft. According to the invention, the winding roller is rotationally driven, so that not only is the winding function of the paper-plastic composite belt realized, but also the movable box is driven to move left and right, the pressing and compounding functions of the paper belt and the plastic film belt and the quick drying and ironing functions after compounding are realized, the processing efficiency and the product effect of the paper-plastic composite belt are improved, and the functionality and the convenience of the use of equipment are enhanced.

Description

Processing equipment for producing paper-plastic composite bag

Technical Field

The invention relates to the technical field of paper-plastic composite processing, in particular to processing equipment for producing a paper-plastic composite bag.

Background

The paper-plastic composite bag is formed by compounding plastic and kraft paper, wherein the plastic layer is usually flat woven cloth with polypropylene (PP) or Polyethylene (PE) as a base material, and the kraft paper is refined composite special kraft paper, and has the characteristics of high strength, good waterproofness and beautiful appearance. The paper-plastic composite belt is processed and sheared by a corresponding forming machine according to the specific shape required by a packaging bag to obtain a paper-plastic composite bag with a corresponding size and shape.

Disclosure of Invention

The invention aims to provide processing equipment for producing a paper-plastic composite bag, which aims to overcome the defects in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme: the processing equipment for producing the paper-plastic composite bag comprises a base, wherein two first supports are fixed at one end of the top of the base, connecting shafts are rotatably installed at the tops of the first supports, a winding roller is installed between the two connecting shafts, a driving motor is fixedly installed at the bottom of one of the first supports, the driving motor is in transmission connection with one of the connecting shafts through a belt transmission assembly, a rocker is fixedly installed at the outer end of the connecting shaft, the outer side of the rocker, far away from one end of the connecting shaft, is rotatably connected with a connecting rod, a sliding support is fixedly connected with the top of the base, a moving box is slidably installed at the top of the sliding support, protruding columns are fixedly connected to two sides of one end, close to the first support, of the moving box, one end, far away from the rocker, of the connecting rod is rotatably connected with the protruding columns, gears are rotatably installed in the middle parts of two sides of the moving box, the top parts of two sides of the sliding support are fixedly provided with first racks, the gear is meshed with the first racks, the middle part of the inner cavity of the movable box is fixedly provided with two groups of ironing devices, the inner part of the movable box close to one end of the first support is rotatably provided with two output support rollers, the inner part of the movable box far away from one end of the first support is fixedly provided with two U-shaped elastic frames, the opposite sides of the two U-shaped elastic frames are respectively provided with a press roller, one end of the top part of the base far away from the first support is fixedly provided with a second support, the top part of the second support is rotatably provided with a paper tape roll and a plastic film roll, the top part of the movable box is fixedly provided with an adhesive injection cylinder, the inner part of the adhesive injection cylinder far away from one end of the second support is slidably provided with a piston rod, one end of the piston rod in the adhesive injection cylinder is fixedly provided with a piston, and two sides of the top part of the movable box are both slidably connected with sliding angle plates, the end, far away from the glue injection cylinder, of the piston rod is fixedly connected with a sliding angle plate through a connecting plate, the bottom of the sliding angle plate is fixedly provided with a second rack, the second rack is meshed with a gear, one end, close to a sliding support, of the glue injection cylinder is provided with a glue outlet pipe and a glue suction pipe, the top of the glue injection cylinder is fixedly provided with a glue box, the glue suction pipe is communicated with an inner cavity at the bottom of the glue box, the outer end of the glue outlet pipe is fixedly connected with a glue conveying hose, the inside of the glue outlet pipe and the inside of the glue suction pipe are respectively provided with a one-way valve, one end, far away from a first support, of the moving box is fixedly provided with a glue brushing frame, the middle part of the inner side of the glue brushing frame is fixedly provided with a hollow glue brushing plate, one end, far away from the glue injection cylinder, of the glue conveying hose is communicated to the inside of the hollow glue brushing plate, the top wall of the hollow glue brushing plate is provided with a plurality of pores, and the top of the hollow glue brushing sponge is fixedly provided with glue brushing sponge, and a paper pressing roller is arranged at the top of the glue brushing sponge.

Preferably, the number of the pressing rollers on the inner side of each U-shaped elastic frame is set to be multiple groups, and the multiple groups of the pressing rollers are distributed at equal intervals.

Preferably, a first spring is fixedly mounted on the inner side of one end, close to the glue brushing frame, of each U-shaped elastic frame.

Preferably, one end of the top of the sliding support close to the first support is rotatably provided with two auxiliary supporting rollers through a mounting frame.

Preferably, the bottom side of the interior of the glue brushing frame is provided with two plastic film guide rollers, and two ends of the two plastic film guide rollers are respectively rotatably connected with the inner walls of the two sides of the glue brushing frame.

Preferably, the inner walls of the two sides of the glue brushing frame are provided with sliding grooves, the two ends of the paper pressing roller are rotatably connected with square blocks, and the square blocks are respectively connected to the two sliding grooves in a sliding mode.

Preferably, the top of each square block is fixedly connected with a second spring, and the top end of each second spring is fixedly connected with the inner wall of the top of the corresponding sliding groove.

Preferably, the top of the glue box is provided with a glue adding port, and a threaded cover is sleeved on the external thread of the glue adding port.

Preferably, keep away from the internally mounted of the connecting axle of driving motor one side has directional slide-shaft, directional slide-shaft passes through guide key and connecting axle sliding connection, the equal fixedly connected with chuck in both ends of the inner of directional slide-shaft, the inner of another connecting axle and wind-up roll, the wind-up roll passes through the chuck block and installs in the top of first support.

Preferably, the outside cover that directional slide axis is close to chuck one end is equipped with the third spring, the one end and the chuck fixed connection of third spring, the other end of third spring and the inner wall fixed connection of connecting axle, the one end fixedly connected with bulb of chuck is kept away from to directional slide axis.

In the technical scheme, the invention provides the following technical effects and advantages:

1. the invention not only realizes the winding function of the paper-plastic composite belt by driving the winding roller to rotate, but also realizes the function of driving the movable box left and right by utilizing the connection of the rocker and the connecting rod with the movable box, thereby realizing the pressing and compounding functions of the paper tape and the plastic film tape by utilizing the pressing roller in the movable box, leading the glue bonding to be more uniform and effective, meanwhile, the moving of the ironing device is utilized, the rapid drying and ironing functions of the compounded paper-plastic composite belt are realized, and simultaneously, the meshing of the gear and the second rack is utilized, the piston rod is driven left and right, so that the automatic glue supply of the hollow glue brushing plate is realized, the function of gluing the paper tape is realized while the moving box moves, the processing efficiency and the product effect of the paper-plastic composite belt are greatly improved, and the functionality and the convenience of equipment use are enhanced;

2. the invention arranges the directional sliding shaft in one connecting shaft and uses the guide key to lead the directional sliding shaft to be connected with the connecting shaft in a sliding way, in actual use, the distance between the two chucks is increased by pulling the directional sliding shaft outwards, the wind-up roll can be placed between the two chucks, then the directional sliding shaft is loosened, the two chucks are mutually close under the elastic force of the third spring, and the wind-up roll is clamped and supported, thereby when the driving motor is used for driving the other connecting shaft to rotate, the winding rollers can be driven to rotate and wind, meanwhile, the connecting shaft at the side can be driven to rotate, when one group of winding rollers is fully collected, can keep away from through drawing two chucks of messenger outside directional sliding shaft, can take out the wind-up roll and change to very big improvement the convenience and the practicality of equipment use.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the working state of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a schematic view of the internal structure of the mobile box of the present invention.

Fig. 5 is a right side view of the frame for applying glue according to the present invention.

FIG. 6 is an enlarged view of the portion A of FIG. 3 according to the present invention.

Description of reference numerals:

1. a base; 11. a first bracket; 12. a sliding support; 121. a first rack; 122. an auxiliary support roller; 13. a drive motor; 14. a second bracket; 2. a connecting shaft; 21. a rocker; 22. a connecting rod; 23. a chuck; 24. a directional slide shaft; 25. a third spring; 3. a wind-up roll; 4. a mobile box; 41. a convex column; 42. a gear; 43. a glue injection barrel; 431. a piston rod; 432. a sliding gusset; 433. a second rack; 434. a glue conveying hose; 435. discharging the rubber tube; 436. a hose suction pipe; 44. a glue box; 441. adding a glue port; 442. a threaded cap; 45. brushing a glue frame; 451. brushing a rubber plate in a hollow way; 452. a platen roller; 453. a plastic film guide roller; 454. brushing glue sponge; 455. a chute; 456. a square block; 457. a second spring; 46. an ironing device; 47. a U-shaped elastic frame; 471. a press-fit roller; 472. a first spring; 48. an output backup roller; 5. a roll of paper tape; 6. and (5) plastic film rolling.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The invention provides processing equipment for producing a paper-plastic composite bag as shown in figures 1-5, which comprises a base 1, wherein two first supports 11 are fixed at one end of the top of the base 1, connecting shafts 2 are rotatably arranged at the tops of the first supports 11, a winding roller 3 is arranged between the two connecting shafts 2, a driving motor 13 is fixedly arranged at the bottom of one of the first supports 11, the driving motor 13 is in transmission connection with one of the connecting shafts 2 through a belt transmission assembly, a rocker 21 is fixedly arranged at the outer end of the connecting shaft 2, a connecting rod 22 is rotatably connected to the outer side of one end, away from the connecting shaft 2, of the rocker 21, a sliding support 12 is fixedly connected to the top of the base 1, a moving box 4 is slidably arranged at the top of the sliding support 12, convex columns 41 are fixedly connected to two sides of one end, close to the first support 11, of the moving box 4, one end of the connecting rod 22, which is far away from the rocker 21, is rotatably connected with the convex column 41, the middle parts of two sides of the moving box 4 are rotatably provided with gears 42, the tops of two sides of the sliding support 12 are fixedly provided with first racks 121, the gears 42 are mutually meshed with the first racks 121, the middle part of an inner cavity of the moving box 4 is fixedly provided with two groups of ironing machines 46, the inner part of one end of the moving box 4, which is close to the first support 11, is rotatably provided with two output support rollers 48, the inner part of one end of the moving box 4, which is far away from the first support 11, is fixedly provided with two U-shaped elastic frames 47, the close sides of the two U-shaped elastic frames 47 are respectively provided with a pressing roller 471, one end of the top of the base 1, which is far away from the first support 11, is fixedly provided with a second support 14, the top of the second support 14 is rotatably provided with a paper, a piston rod 431 is slidably mounted inside one end, far away from the second support 14, of the glue injection cylinder 43, a piston is fixedly mounted at one end, located inside the glue injection cylinder 43, of the piston rod 431, sliding angle plates 432 are slidably connected to both sides of the top of the movable box 4, one end, far away from the glue injection cylinder 43, of the piston rod 431 is fixedly connected with the sliding angle plates 432 through connecting plates, second rack bars 433 are fixedly mounted at the bottoms of the sliding angle plates 432, the second rack bars 433 are mutually meshed with the gears 42, a glue outlet pipe 435 and a glue suction pipe 436 are arranged at one end, close to the sliding support 12, of the glue injection cylinder 43, a glue box 44 is fixedly mounted at the top of the glue injection cylinder 43, the glue suction pipe 436 is communicated with an inner cavity at the bottom of the glue box 44, a glue delivery hose 434 is fixedly connected to the outer end of the glue outlet pipe 435, one-way valves are arranged inside the glue outlet pipe 435 and the glue suction, a hollow glue brushing plate 451 is fixedly arranged in the middle of the inner side of the glue brushing frame 45, one end, far away from the glue injection cylinder 43, of the glue conveying hose 434 is communicated to the inside of the hollow glue brushing plate 451, a plurality of groups of pores are formed in the top wall of the hollow glue brushing plate 451, glue brushing sponge 454 is fixedly arranged at the top of the hollow glue brushing plate 451, and a paper pressing roller 452 is arranged at the top of the glue brushing sponge 454;

further, in the above technical solution, the number of the press rollers 471 inside each U-shaped elastic frame 47 is set as multiple groups, and the multiple groups of the press rollers 471 are distributed at equal intervals, so as to improve the press effect of the paper-plastic composite bag;

further, in the above technical solution, the inner side of one end of each U-shaped elastic frame 47, which is close to the glue brushing frame 45, is fixedly provided with a first spring 472, so that the elasticity of the U-shaped elastic frame 47 is improved, and the pressing force between the two sets of pressing rollers 471 is enhanced;

further, in the above technical solution, two auxiliary supporting rollers 122 are rotatably mounted at one end of the top of the sliding support 12 close to the first support 11 through a mounting bracket, so that the paper-plastic composite tape can be stably conveyed;

further, in the above technical solution, two plastic film guide rollers 453 are arranged on the bottom side inside the glue brushing frame 45, and two ends of the two plastic film guide rollers 453 are respectively rotatably connected with the inner walls of two sides of the glue brushing frame 45, so that the plastic film tape can be effectively separated from the paper tape to facilitate the gluing of the paper tape;

further, in the above technical solution, sliding grooves 455 are formed in inner walls of two sides of the glue brushing frame 45, square blocks 456 are rotatably connected to two ends of the platen roller 452, and the two square blocks 456 are respectively slidably connected to the insides of the two sliding grooves 455, so that the platen roller 452 can stably slide up and down;

further, in the above technical solution, the top of each square block 456 is fixedly connected with a second spring 457, and the top end of the second spring 457 is fixedly connected with the inner wall of the top of the sliding slot 455, so that the paper tape can be effectively pressed on the glue brushing sponge 454 by the paper pressing roller 452 for effective gluing, and meanwhile, the damage of the paper tape in the moving process of the moving box 4 can be effectively avoided by the buffer of the second spring 457;

further, in the above technical solution, a glue adding port 441 is arranged at the top of the glue box 44, and a thread cover 442 is sleeved on an external thread of the glue adding port 441, so as to conveniently add glue into the glue box 44;

the implementation mode is specifically as follows: the winding roller 3 is supported by arranging the first bracket 11, the paper tape roll 5 and the plastic film roll 6 are supported by arranging the second bracket 14, and when in practical use, the end of the paper tape roll 5 passes through the top of the glue brushing sponge 454, the end of the plastic film tape of the plastic film roll 6 passes through the two plastic film guide rollers 453 and is separated from the two, then the two are jointly passed through the two groups of pressing rollers 471, the two groups of ironing devices 46 and the two output support rollers 48, finally the auxiliary support roller 122 is passed and connected to the winding roller 3, the driving motor 13 is used for driving the winding roller 3 to rotate, so that the material can be wound and is driven to move continuously, the rocker 21 and the connecting rod 22 are arranged outside the connecting shaft 2, the connecting rod 22 is used for being connected with the moving box 4 in a rotating manner to form a crank slider mechanism, and when the winding roller 3 rotates and winds, the movable box 4 can also be driven to move left and right continuously at the top of the sliding support 12, the glue injection cylinder 43 and the glue box 44 are arranged at the top of the movable box 4, the sliding angle plates 432 are arranged at two sides of the movable box 4, when the movable box 4 moves right at the top of the sliding support 12, the gear 42 is driven to rotate by the meshing of the gear 42 and the first rack 121, the sliding angle plate 432 is driven to move right, the piston rod 431 is pushed to be inserted into the inner part of the glue injection cylinder 43, glue in the glue injection cylinder 43 is squeezed into the hollow glue brushing plate 451 through the glue conveying hose 434, the glue seeps out from the top of the hollow glue brushing plate 451, the glue brushing 454 is used for coating the paper tape passing through the top of the glue brushing frame by utilizing the right movement of the movable box 4 and the glue brushing frame 45 and the continuous receiving of the winding roller 3, and the pressing roller 471 is arranged in the movable box 4, and the elasticity of the two groups of U-shaped elastic frames 47 is utilized, the two groups of pressing rollers 471 are used for pressing the paper tape and the plastic film tape which enter the paper tape and the plastic film tape, so that the paper tape and the plastic film tape are tightly bonded, meanwhile, the right movement of the movable box 4 and the pressing rollers 471 is utilized to uniformly press the glue between the paper tape and the plastic film tape, so as to improve the compound effect of the paper tape and the plastic film tape, when the compounded paper plastic composite tape passes through the ironing device 46, the heating and the movement of the ironing device 46 are utilized to heat and flatten the paper plastic composite tape, so as to ensure the flatness of the paper plastic composite tape, accelerate the drying of the glue, improve the processing efficiency, when the movable box 4 moves to the left, the rolling of the winding roller 3 drives the materials to continuously move forwards, at the moment, the ironing device 46 moves reversely, so as to perform pre-ironing in advance, so as to improve the ironing effect, meanwhile, the pressing rollers 471 move to the limit so as to facilitate the next accelerated right pushing, so as to improve the pressing effect of the paper plastic composite tape, meanwhile, when the moving box 4 moves to the left, the piston rod 431 is also driven to move to the left, and then the glue cylinder 43 can suck the glue in the glue box 44 into the glue cylinder 43 by the action of the glue absorbing tube 436 and the one-way valve, so as to glue the next time, therefore, by driving the winding roller 3 in a rotating way, not only the winding function of the paper-plastic composite tape is realized, but also the connection of the rocker 21 and the connecting rod 22 with the moving box 4 is realized, and the left-right driving function of the moving box 4 is also realized, further, the pressing composite function of the paper tape and the plastic film tape is realized by the pressing roller 471 in the moving box 4, so that the glue bonding is more uniform and effective, meanwhile, the moving of the ironing device 46 is favorably used, the fast drying and ironing functions of the paper-plastic composite tape after being compounded are also realized, and the piston rod 431 is driven to the left and the right by the meshing of the gear 42 and the second gear 433, thereby realize supplying glue to the automation of hollow brush offset plate 451 to the realization carries out the rubber coating function to the paper tape when the realization removes at the movable box 4, and then has greatly improved the machining efficiency of paper-plastic composite strip, and the product effect, has strengthened functional and the convenience of equipment use.

As shown in fig. 3 and 6, a directional sliding shaft 24 is installed inside the connecting shaft 2 on one side far away from the driving motor 13, the directional sliding shaft 24 is slidably connected with the connecting shaft 2 through a guide key, chucks 23 are fixedly connected to the inner end of the directional sliding shaft 24, the inner end of the other connecting shaft 2 and two ends of the winding roller 3, and the winding roller 3 is mounted on the top of the first bracket 11 through the chucks 23 in a clamping manner;

further, in the above technical solution, a third spring 25 is sleeved outside one end of the directional sliding shaft 24 close to the chuck 23, one end of the third spring 25 is fixedly connected with the chuck 23, the other end of the third spring 25 is fixedly connected with the inner wall of the connecting shaft 2, and one end of the directional sliding shaft 24 far away from the chuck 23 is fixedly connected with a ball head;

the implementation mode is specifically as follows: by arranging the directional slide shaft 24 inside one of the connecting shafts 2, and slidably connecting the directional slide shaft 24 with the connecting shaft 2 by means of the guide key, in actual use, the distance between the two chucks 23 can be increased by pulling the directional slide shaft 24 outwards, it is then possible to place the wind-up roll 3 between two chucks 23, then to release the orienting slide 24, the two chucks 23 are made to approach each other by the urging force of the third spring 25, and the wind-up roll 3 is snap-supported, so that when the other connecting shaft 2 is driven to rotate by the driving motor 13, the winding roller 3 can be driven to rotate and wind, meanwhile, the side connecting shaft 2 can be driven to rotate, and when a group of winding rollers 3 is fully collected, can make two chucks 23 keep away from through drawing directional slide shaft 24 outward, can take out wind-up roll 3 and change to very big improvement the convenience and the practicality of equipment use.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a processing equipment is used in production of compound bag is moulded to paper, includes base (1), its characterized in that: the winding device is characterized in that two first supports (11) are fixed at one end of the top of the base (1), connecting shafts (2) are installed at the tops of the first supports (11) in a rotating mode, a winding roller (3) is installed between the two connecting shafts (2), a driving motor (13) is fixedly installed at the bottom of one of the first supports (11), the driving motor (13) is in transmission connection with one of the connecting shafts (2) through a belt transmission assembly, a rocker (21) is fixedly installed at the outer end of the connecting shaft (2), a connecting rod (22) is rotatably connected to the outer side, away from one end of the connecting shaft (2), of the rocker (21), a sliding support (12) is fixedly connected to the top of the base (1), a moving box (4) is installed at the top of the sliding support (12) in a sliding mode, protruding columns (41) are fixedly connected to two sides, close to one end of the first support (11), of the moving box (4), one end, far away from the rocker (21), of the connecting rod (22) is rotatably connected with the convex column (41), gears (42) are rotatably mounted in the middle of two sides of the moving box (4), first racks (121) are fixedly mounted at the tops of two sides of the sliding support (12), the gears (42) are meshed with the first racks (121), two groups of ironing devices (46) are fixedly mounted in the middle of an inner cavity of the moving box (4), two output branch rollers (48) are rotatably mounted in the moving box (4) close to one end of the first support (11), two U-shaped elastic frames (47) are fixedly mounted in the moving box (4) far away from one end of the first support (11), pressing rollers (471) are mounted on the close sides of the two U-shaped elastic frames (47), and a second support (14) is fixedly mounted at one end, far away from the first support (11), of the top of the base (1), the top of the second support (14) is rotatably provided with a paper tape roll (5) and a plastic film roll (6), the top of the movable box (4) is fixedly provided with a glue injection tube (43), the inside of one end, far away from the second support (14), of the glue injection tube (43) is slidably provided with a piston rod (431), one end, located inside the glue injection tube (43), of the piston rod (431) is fixedly provided with a piston, the two sides of the top of the movable box (4) are both slidably connected with a sliding angle plate (432), one end, far away from the glue injection tube (43), of the piston rod (431) is fixedly connected with the sliding angle plate (432) through a connecting plate, the bottom of the sliding angle plate (432) is both fixedly provided with a second rack (433), the second rack (433) is meshed with a gear (42), one end, close to the sliding support (12), of the glue injection tube (43) is provided with a glue outlet tube (435) and a glue absorption tube (436), the top of the glue injection cylinder (43) is fixedly provided with a glue box (44), the glue injection tube (436) is communicated with the inner cavity at the bottom of the glue box (44), the outer end of the rubber outlet pipe (435) is fixedly connected with a rubber conveying hose (434), the rubber outlet pipe (435) and the rubber suction pipe (436) are both internally provided with one-way valves, one end of the movable box (4) far away from the first bracket (11) is fixedly provided with a glue brushing frame (45), a hollow rubber brushing plate (451) is fixedly arranged in the middle of the inner side of the rubber brushing frame (45), one end of the glue conveying hose (434) far away from the glue injection cylinder (43) is communicated to the inside of the hollow glue brushing plate (451), the top wall of hollow brush offset plate (451) has seted up the multiunit pore, the top fixed mounting of hollow brush offset plate (451) has brush gluey sponge (454), the top of brush gluey sponge (454) is provided with dancer roll (452).

2. The processing equipment for producing the paper-plastic composite bag according to claim 1, wherein the processing equipment comprises: the number of the pressing rollers (471) on the inner side of each U-shaped elastic frame (47) is set to be multiple groups, and the multiple groups of the pressing rollers (471) are distributed at equal intervals.

3. The processing equipment for producing the paper-plastic composite bag according to claim 1, wherein the processing equipment comprises: and a first spring (472) is fixedly mounted on the inner side of one end, close to the glue brushing frame (45), of each U-shaped elastic frame (47).

4. The processing equipment for producing the paper-plastic composite bag according to claim 1, wherein the processing equipment comprises: and two auxiliary supporting rollers (122) are rotatably arranged at one end, close to the first support (11), of the top of the sliding support (12) through a mounting rack.

5. The processing equipment for producing the paper-plastic composite bag according to claim 1, wherein the processing equipment comprises: two plastic film guide rollers (453) are arranged on the bottom side of the interior of the glue brushing frame (45), and two ends of the two plastic film guide rollers (453) are respectively in rotating connection with the inner walls of two sides of the glue brushing frame (45).

6. The processing equipment for producing the paper-plastic composite bag according to claim 1, wherein the processing equipment comprises: sliding grooves (455) are formed in the inner walls of the two sides of the glue brushing frame (45), square blocks (456) are rotatably connected to the two ends of the paper pressing roller (452), and the square blocks (456) are respectively connected to the inner portions of the two sliding grooves (455) in a sliding mode.

7. The processing equipment for producing the paper-plastic composite bag according to claim 6, wherein the processing equipment comprises: the top of each square block (456) is fixedly connected with a second spring (457), and the top end of each second spring (457) is fixedly connected with the inner wall of the top of the sliding groove (455).

8. The processing equipment for producing the paper-plastic composite bag according to claim 1, wherein the processing equipment comprises: the top of the glue box (44) is provided with a glue adding opening (441), and a threaded cover (442) is sleeved on the external thread of the glue adding opening (441).

9. The processing equipment for producing the paper-plastic composite bag according to claim 1, wherein the processing equipment comprises: keep away from the internally mounted of connecting axle (2) of driving motor (13) one side has directional slide-bar (24), directional slide-bar (24) are through guide key and connecting axle (2) sliding connection, the equal fixedly connected with chuck (23) in both ends of the inner of directional slide-bar (24), the inner of another connecting axle (2) and wind-up roll (3), wind-up roll (3) are installed in the top of first support (11) through chuck (23) block.

10. The processing equipment for producing the paper-plastic composite bag according to claim 9, wherein the processing equipment comprises: the outside cover that directional slide shaft (24) is close to chuck (23) one end is equipped with third spring (25), the one end and chuck (23) fixed connection of third spring (25), the other end and the inner wall fixed connection of connecting axle (2) of third spring (25), the one end fixedly connected with bulb of chuck (23) is kept away from in directional slide shaft (24).