Pressing device for production of high-breathability paper-plastic bag

Abstract

The utility model belongs to the technical field of pressing devices, and discloses a high-breathability paper-plastic bag production pressing device which comprises a rack, a workbench, a portal frame, a lifting seat, a driving unit, a sliding hole, a sliding rod, a mounting seat, a pressing assembly and a first strip-shaped hole, a cutting knife is slidably arranged in the first strip-shaped hole, and a fixing frame is arranged on the bottom face of the workbench. Two synchronous wheels are horizontally and rotatably arranged on the fixing frame and connected through a synchronous belt, the bottom of the cutting knife is connected with the upper side belt face of the synchronous belt, a square hole is vertically formed in the workbench, a rack is vertically and slidably arranged in the square hole, and a linkage assembly is arranged on the bottom face of the workbench. The lifting base descends to drive the sliding rod, the mounting base and the pressing assembly to descend, and the pressing assembly makes contact with the high-breathability paper-plastic bag pipe and presses the high-breathability paper-plastic bag pipe downwards. And then, the lifting base makes contact with the upper end of the rack, the synchronous wheel, the synchronous belt and the cutting knife are driven to move through the linkage assembly, and the high-breathability paper-plastic bag pipe is cut. Sealing and cutting are completed synchronously, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressing device technical field, especially in high permeability paper plastic bag production is with pressing device. BACKGROUND

[0002] Paper plastic bag is also called three-in-one composite paper bag, which is composed of plastic and kraft paper, usually the plastic layer adopts pp polypropylene (pp) as the base material of pp silk woven cloth, and the kraft paper adopts refined composite special kraft paper, and the two are bonded by melting plastic hot laminating, and the kraft paper is formed by bag making. The pressing device is used for pressing and heating the raw materials by the heating part, so that part of the materials in the raw materials is melted and adhered, so as to be connected together.

[0003] At present, in the relatively simple paper plastic bag production process, high permeability paper plastic bag tube is usually used as raw material, and cutting is carried out after sealing by the pressing device, and finally single high permeability paper plastic bag is obtained. However, the existing part of the pressing device is single, and only the pressing sealing operation can be realized, so that the high permeability paper plastic bag tube must be cut and sealed in the production process, or sealed and cut, and the separated processing mode reduces the production efficiency. UTILITY MODEL CONTENTS

[0004] In order to solve the above problems, the utility model provides a kind of pressing device for high permeability paper plastic bag production.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a kind of pressing device for high permeability paper plastic bag production, including rack, the rack top is provided with workbench, the workbench top is provided with portal frame, the portal frame is vertically slidably provided with lifting seat, the portal frame top is provided with the drive unit of driving lifting seat lifting, the lifting seat is vertically provided with two symmetrical sliding holes, the sliding hole is slidably provided with slide rod, and the lower end of two slide rods is commonly provided with a mounting seat, the mounting seat is provided with pressing assembly, the workbench middle part is provided with first strip hole, the first strip hole is slidably provided with cutting knife, the cutting knife upper end passes through first strip hole, the workbench bottom is provided with fixed frame, the fixed frame is horizontally rotatably provided with two interval synchronous wheels, and the two synchronous wheels are connected by synchronous belt, the cutting knife bottom is connected with the upper side of synchronous belt surface, the workbench is vertically provided with square hole, the square hole is vertically slidably provided with rack, and the workbench bottom is provided with linkage assembly for driving one of synchronous wheel to rotate when rack descends.

[0006] By adopting the technical scheme, the workbench, the lifting seat, the pressing assembly, the cutting knife and the synchronous belt are arranged, the high-air-permeability paper-plastic bag tube is placed on the workbench, the lifting seat is driven to descend by the driving unit, the sliding rod, the mounting seat and the pressing assembly are driven to descend, the pressing assembly contacts and presses down the high-air-permeability paper-plastic bag tube, and the high-air-permeability paper-plastic bag tube is sealed. Then, the lifting seat contacts the upper end of the rack, one of the synchronous wheels is driven to rotate by the linkage assembly, so that the synchronous belt moves to drive the cutting knife to slide along the first slot, and the high-air-permeability paper-plastic bag tube is cut. The sealing and cutting are completed synchronously, and the production efficiency is improved.

[0007] Further, the pressing assembly comprises rubber strips arranged at intervals on the bottom surface of the mounting seat, and a heating block is further arranged between the two rubber strips.

[0008] By adopting the technical scheme, the rubber strips and the heating block are arranged, the rubber strips fix the high-air-permeability paper-plastic bag tube on the workbench, and the heating block seals the high-air-permeability paper-plastic bag tube.

[0009] Further, two rotating shafts arranged at intervals are horizontally arranged on the fixing frame, the synchronous wheels are fixedly sleeved on the rotating shafts, the linkage assembly comprises a rotating shaft which is horizontally arranged on the fixing frame and is parallel to the rotating shafts, first pinions and a large gear are fixedly sleeved on the rotating shaft, the first pinions are engaged with the rack, one end of one of the rotating shafts penetrates through the fixing frame and is provided with a second pinion, and the second pinion is engaged with the large gear.

[0010] By adopting the technical scheme, the rotating shafts, the rotating shaft, the first pinions, the large gear and the second pinion are arranged, the rack drives the first pinions, the rotating shaft and the large gear to rotate, thereby driving the second pinion and the rotating shaft connected with the second pinion to rotate, and further driving the synchronous wheels to rotate to move the synchronous belt.

[0011] Further, a baffle is arranged on the upper end of the sliding rod, and a compression spring is sleeved on the rod between the lifting seat and the mounting seat.

[0012] By adopting the technical scheme, the baffle and the compression spring are arranged, when the lifting seat, the sliding rod and the mounting seat are raised, the compression spring drives the mounting seat and the sliding rod to move relative to the lifting seat under the elastic force, and the lifting seat is reset.

[0013] Further, a circular hole is arranged in the bottom surface of the rack, an L-shaped seat is arranged on the bottom surface of the workbench, a fixed tube is arranged on the top of the horizontal section of the L-shaped seat, a circular rod with the upper end connected with the bottom of the circular hole is slidably arranged in the fixed tube, and a reset spring is sleeved on the fixed tube.

[0014] By adopting the above technical solution, and setting up a round hole, an L-shaped seat, a fixed tube, a round rod, and a return spring, when the lifting seat rises, the lifting seat gradually loses its pressure on the rack, and the return spring pushes the rack to rise and return to its original position.

[0015] Furthermore, the vertical section of the L-shaped seat is provided with a mounting groove, and a slide bar connected to the rack is slidably disposed in the mounting groove.

[0016] By adopting the above technical solution and setting up mounting grooves and slide bars, the stability of rack sliding is further improved.

[0017] Furthermore, a groove is provided at the bottom of the workbench at the first strip hole, and a sliding block is slidably disposed in the groove. The lower end of the cutting blade is connected to the top of the sliding block. A second strip hole is provided at the bottom of the groove, and a connecting block is provided at the bottom of the sliding block that is slidably connected to the second strip hole. The bottom of the connecting block is connected to the upper side of the synchronous belt.

[0018] By adopting the above technical solution and setting up a chute and sliding block, the stability of the cutting blade movement is further improved.

[0019] Furthermore, a limit block is provided on the rack body located on the lower side of the worktable.

[0020] By adopting the above technical solution, a limiting block is set on the rack located on the lower side of the worktable. In the initial state, the return spring provides an upward thrust to the rack, and the limiting block contacts the bottom surface of the worktable to limit the initial position of the rack.

[0021] Furthermore, the drive unit includes a cylinder vertically mounted on the top of the gantry, the piston rod of which passes downward through the top of the gantry and connects to the lifting seat.

[0022] By adopting the above technical solution, a cylinder is set up to drive the lifting seat to rise and fall.

[0023] In summary, this utility model has the following beneficial effects: In this application, a workbench, a lifting seat, a pressing assembly, a cutting blade, and a synchronous belt are provided. The high-permeability paper-plastic bag tube is placed on the workbench. A drive unit drives the lifting seat to descend, causing the slide rod, mounting base, and pressing assembly to descend as well. The pressing assembly contacts and presses down on the high-permeability paper-plastic bag tube, sealing it. Next, the lifting seat contacts the upper end of the rack, and a linkage assembly drives one of the synchronous pulleys to rotate. This causes the synchronous belt to move, driving the cutting blade to slide along the first strip-shaped hole, cutting the high-permeability paper-plastic bag tube. Sealing and cutting are completed simultaneously, improving production efficiency. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0025] Figure 2 This is a schematic diagram of the lifting seat and mounting seat according to an embodiment of the present utility model;

[0026] Figure 3 This is a schematic diagram of the internal structure of the frame in an embodiment of this utility model;

[0027] Figure 4 This is a structural schematic diagram of the fixing frame and L-shaped base of this utility model embodiment;

[0028] Figure 5 This is a structural schematic diagram of the fixing frame and linkage assembly according to an embodiment of the present utility model;

[0029] Figure 6 This is a schematic diagram of the structure of the L-shaped seat and rack in an embodiment of this utility model;

[0030] Figure 7 This is a schematic diagram of the structure of the groove and sliding block in an embodiment of this utility model.

[0031] In the diagram: 10. Frame; 11. Workbench; 12. Gantry; 13. First slotted hole; 14. Cutting blade; 20. Lifting seat; 21. Slide rod; 22. Mounting seat; 23. Baffle; 24. Compression spring; 30. Drive unit; 31. Cylinder; 40. Pressing assembly; 41. Rubber strip; 42. Heating block; 50. Fixing frame; 51. Synchronous pulley; 511. Synchronous belt; 52. Rack; 521. Limiting block; 522. Round hole; 53. Rotating shaft; 54. L-shaped seat; 55. Fixing tube; 56. Round rod; 57. Return spring; 58. Mounting groove; 581. Slide rod; 60. Linkage assembly; 61. Rotating shaft; 62. First pinion; 63. Large gear; 64. Second pinion; 70. Slide groove; 71. Sliding block; 72. Second slotted hole; 73. Connecting block. Detailed Implementation

[0032] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0033] like Figures 1-7As shown in the embodiment of this application, a pressing device for producing high-permeability paper-plastic bags is disclosed, including a frame 10, a worktable 11, a lifting seat 20, a pressing assembly 40, and a cutting blade 14. The worktable 11 is located on top of the frame 10, and a gantry frame 12 is provided on the top surface of the worktable 11. The lifting seat 20 is vertically slidably mounted on the gantry frame 12, and a driving unit 30 for driving the lifting seat 20 to rise and fall is provided on the top surface of the gantry frame 12. Two symmetrically arranged sliding holes are vertically opened on the lifting seat 20, and sliding rods 21 are slidably mounted in the sliding holes. A mounting base 22 is provided at the lower end of the two sliding rods 21, and the pressing assembly 40 is located at the bottom of the mounting base 22. The high-permeability paper-plastic bag tube is placed on the worktable 11, and the lifting seat 20 is driven to fall by the driving unit 30, which in turn drives the sliding rods 21, the mounting base 22, and the pressing assembly 40 to fall. The pressing assembly 40 contacts and presses down on the high-permeability paper-plastic bag tube to seal it. Sealing and cutting are completed simultaneously, improving production efficiency.

[0034] The workbench 11 has a first strip-shaped hole 13 in the middle. The cutting blade 14 is slidably disposed in the first strip-shaped hole 13, and the upper end of the cutting blade 14 passes through the first strip-shaped hole 13. A fixed frame 50 is provided on the bottom surface of the workbench 11. Two synchronous pulleys 51 are horizontally rotatably disposed on the fixed frame 50 and spaced apart. The two synchronous pulleys 51 are connected by a synchronous belt. The bottom of the cutting blade 14 is connected to the upper side of the synchronous belt. A square hole is vertically opened on the workbench 11. A rack 52 is vertically slidably disposed in the square hole. A linkage assembly 60 is provided on the bottom surface of the workbench 11 to drive one of the synchronous pulleys 51 to rotate when the rack 52 descends. During the descent of the lifting seat 20, the pressing component 40 first contacts the breathable paper-plastic bag material, and then the lifting seat 20 contacts the upper end of the rack 52. Through the linkage component 60, one of the synchronous wheels 51 is driven to rotate, thereby causing the synchronous belt to move and drive the cutting blade 14 to slide along the first strip hole 13 to cut the high-breathable paper-plastic bag tube, forming a high-breathable paper-plastic bag with one end open and the other end closed.

[0035] Specifically, the drive unit 30 includes a cylinder 31 vertically mounted on the top of the gantry frame 12. The piston rod of the cylinder 31 passes downward through the top of the gantry frame 12 and connects to the lifting seat 20, driving the lifting seat 20 to rise and fall. The pressing assembly 40 includes rubber strips 41 spaced apart on the bottom surface of the mounting base 22. A heating block 42 is also provided on the bottom surface of the mounting base 22 between the two rubber strips 41. The rubber strips 41 press the high-permeability paper-plastic bag tube onto the worktable 11 for fixation, and the heating block 42 seals the high-permeability paper-plastic bag tube. The heating block 42 is made of metal and contains a heating wire. When the heating wire is energized, the resistance heating effect generated when the current passes through the heating wire generates heat, which is transferred to the heating block 42 to heat and seal the high-permeability paper-plastic bag tube. A baffle 23 is provided at the upper end of the slide rod 21. A compression spring 24 is sleeved on the slide rod 21 located between the lifting seat 20 and the mounting seat 22. The upper end of the compression spring 24 is connected to the lifting seat 20 and the lower end is connected to the mounting seat 22. When the lifting seat 20, slide rod 21 and mounting seat 22 rise, the compression spring 24 pushes the mounting seat 22 and slide rod 21 to move relative to the lifting seat 20 under the action of elasticity, so as to reset the lifting seat 20.

[0036] A groove 70 is provided at the bottom of the workbench 11 at the first strip hole 13. A sliding block 71 is slidably disposed in the groove 70. The lower end of the cutting blade 14 is connected to the top of the sliding block 71. A second strip hole 72 is opened at the bottom of the groove 70. A connecting block 73 is provided at the bottom of the sliding block 71 and is slidably connected to the second strip hole 72. The bottom of the connecting block 73 is connected to the upper side of the timing belt. The cutting blade 14, the sliding block 71, and the connecting block 73 can slide synchronously, further improving the stability of the movement of the cutting blade 14.

[0037] In setup, two horizontally spaced rotating shafts 53 are mounted on the fixed frame 50. A synchronous pulley 51 is fixedly sleeved on each rotating shaft 53. The linkage assembly 60 includes a horizontally rotating shaft 61 mounted on the fixed frame 50, parallel to the rotating shafts 53. A first pinion 62 and a large gear 63 are fixedly sleeved on the rotating shaft 61. The first pinion 62 meshes with a rack 52. One end of one of the rotating shafts 53 passes through the fixed frame 50 and is equipped with a second pinion 64, which meshes with the large gear 63. The diameter of the large gear 63 is larger than the diameters of the first pinion 62 and the second pinion 64. When the rack 52 descends, it drives the first pinion 62, the rotating shaft 61, and the large gear 63 to rotate, thereby driving the second pinion 64 and the rotating shaft 53 connected to it to rotate, which in turn drives the synchronous pulley 51 to rotate, causing the synchronous belt to move.

[0038] In the specific configuration, a circular hole 522 is provided on the bottom surface of the rack 52, and an L-shaped seat 54 is provided on the bottom surface of the worktable 11. A fixing tube 55 is provided at the top of the horizontal section of the L-shaped seat 54. A circular rod 56, whose upper end is connected to the bottom of the circular hole 522, is slidably installed inside the fixing tube 55. A return spring 57 is sleeved on the fixing tube 55. The upper end of the return spring 57 is connected to the bottom of the circular hole 522, and the lower end is connected to the horizontal section of the L-shaped seat 54. When the lifting seat 20 rises, the lifting seat 20 gradually loses its pressure on the rack 52. The return spring 57 pushes the rack 52 to rise and reset, driving the first pinion 62, the rotating shaft 61, the large gear 63, the second pinion 64, and the synchronous wheel 51 to rotate, thereby driving the sliding block 71 and the cutting blade 14 to reset. A mounting groove 58 is provided on the vertical section of the L-shaped seat 54. A sliding strip 581 connected to the rack 52 is slidably installed inside the mounting groove 58, further improving the sliding stability of the rack 52. A limit block 521 is provided on the rack 52 located on the lower side of the worktable 11. In the initial state, the return spring 57 provides an upward thrust to the rack 52, and the limit block 521 contacts the bottom surface of the worktable 11 to limit the initial position of the rack 52.

[0039] The operating principle of the pressing device for producing high-permeability paper-plastic bags in this embodiment is as follows: The high-permeability paper-plastic bag tube is placed on the workbench 11. The cylinder 31 is activated to drive the lifting seat 20 to descend, which in turn drives the slide rod 21, mounting base 22, and pressing assembly 40 to descend. The rubber strip 41 presses the high-permeability paper-plastic bag tube onto the workbench 11 for fixation. The heating block 42 seals the high-permeability paper-plastic bag tube. The lifting seat 20 continues to descend and contacts the upper end of the rack 52, pressing the rack 52 downward. This causes the first pinion 62, rotating shaft 61, and large gear 63 to rotate, thereby driving the second pinion 64 and the rotating shaft 53 connected to it to rotate. This, in turn, drives the synchronous pulley 51 to rotate, causing the synchronous belt to move. This causes the sliding block 71, connecting block 73, and cutting blade 14 to slide, cutting the high-permeability paper-plastic bag tube to form a high-permeability paper-plastic bag.

[0040] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A pressing device for producing highly permeable paper-plastic bags, characterized in that: Includes a frame (10), a workbench (11) is provided on the top of the frame (10), a gantry frame (12) is provided on the top surface of the workbench (11), a lifting seat (20) is vertically slidably provided on the gantry frame (12), a drive unit (30) for driving the lifting seat (20) to rise and fall is provided on the top surface of the gantry frame (12), two symmetrically arranged sliding holes are vertically opened on the lifting seat (20), a sliding rod (21) is slidably provided in the sliding hole, a mounting base (22) is provided at the lower end of the two sliding rods (21), a pressing component (40) is provided on the mounting base (22), and a first strip hole (13) is opened in the middle of the workbench (11). A cutting blade (14) is slidably disposed in the first strip hole (13). The upper end of the cutting blade (14) passes through the first strip hole (13). A fixing frame (50) is provided on the bottom surface of the worktable (11). Two synchronous pulleys (51) are horizontally rotatably disposed on the fixing frame (50). The two synchronous pulleys (51) are connected by a synchronous belt. The bottom of the cutting blade (14) is connected to the upper side of the synchronous belt. A square hole is vertically opened on the worktable (11). A rack (52) is vertically slidably disposed in the square hole. A linkage assembly (60) is provided on the bottom surface of the worktable (11) for driving one of the synchronous pulleys (51) to rotate when the rack (52) descends.

2. The pressing device for producing high-permeability paper-plastic bags according to claim 1, characterized in that: The pressing assembly (40) includes rubber strips (41) spaced apart on the bottom surface of the mounting base (22), and a heating block (42) is also provided on the bottom surface of the mounting base (22) between the two rubber strips (41).

3. The pressing device for producing high-permeability paper-plastic bags according to claim 1, characterized in that: The fixed frame (50) has two horizontally rotatably arranged rotating shafts (53), the synchronous pulley (51) is fixedly sleeved on the rotating shafts (53), and the linkage assembly (60) includes a rotating shaft (61) horizontally rotatably arranged on the fixed frame (50). The rotating shaft (61) is parallel to the rotating shaft (53). A first pinion (62) and a large gear (63) are fixedly sleeved on the rotating shaft (61). The first pinion (62) meshes with the rack (52). One end of one of the rotating shafts (53) passes through the fixed frame (50) and is provided with a second pinion (64). The second pinion (64) meshes with the large gear (63).

4. The pressing device for producing high-permeability paper-plastic bags according to claim 1, characterized in that: A baffle (23) is provided at the upper end of the slide rod (21), and a compression spring (24) is sleeved on the slide rod (21) located between the lifting seat (20) and the mounting seat (22).

5. The pressing device for producing high-permeability paper-plastic bags according to claim 1, characterized in that: The rack (52) has a round hole (522) on its bottom surface. The worktable (11) has an L-shaped seat (54) on its bottom surface. A fixing tube (55) is provided at the top of the horizontal section of the L-shaped seat (54). A round rod (56) with its upper end connected to the bottom of the round hole (522) is slidably provided inside the fixing tube (55). A return spring (57) is sleeved on the fixing tube (55).

6. The pressing device for producing high-permeability paper-plastic bags according to claim 5, characterized in that: The vertical section of the L-shaped seat (54) is provided with a mounting groove (58), and a slide bar (581) connected to the rack (52) is slidably disposed in the mounting groove (58).

7. The pressing device for producing high-permeability paper-plastic bags according to claim 1, characterized in that: The bottom of the workbench (11) is provided with a groove (70) at the first strip hole (13). A sliding block (71) is slidably disposed in the groove (70). The lower end of the cutting blade (14) is connected to the top of the sliding block (71). A second strip hole (72) is opened at the bottom of the groove (70). A connecting block (73) is provided at the bottom of the sliding block (71) and is slidably connected to the second strip hole (72). The bottom of the connecting block (73) is connected to the upper side of the synchronous belt.

8. The pressing device for producing high-permeability paper-plastic bags according to claim 5, characterized in that: The rack (52) is provided with a limit block (521) on the rack body located on the lower side of the worktable (11).

9. The pressing device for producing high-permeability paper-plastic bags according to claim 1, characterized in that: The drive unit (30) includes a cylinder (31) vertically mounted on the top of the gantry (12), the piston rod of which passes downward through the top of the gantry (12) and is connected to the lifting seat (20).

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