Membrane blowing device for vest bag production

Abstract

The utility model relates to the technical field of vest pocket production, and particularly discloses a vest pocket production film blowing device which comprises a blowing device and a supporting plate, a through hole is formed in the supporting plate, two sets of positioning blocks are fixedly connected to the top of the supporting plate, and two sets of positioning rollers are arranged between the two sets of positioning blocks. The positioning block is provided with an adjusting assembly used for adjusting the distance between the two sets of positioning rollers, the bottom of the supporting plate is provided with a guide ring, the guide ring is rotationally connected with at least eight sets of supporting rods, and one side of each supporting rod is provided with a plurality of transverse rods. And the adjusting assembly can adjust the distance between the two sets of positioning rollers, vest bag films with different thicknesses can be conveniently guided and conveyed, meanwhile, air in the vest bag films is extruded, next operation is facilitated, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vest bag production, in particular to a film blowing device for vest bag production. Background Art

[0002] The main purpose of the film blowing process in the production of vest bags is to produce plastic film, which is the main raw material of vest bags. The film blowing process melts the plastic particles at high temperature and uses air to blow it into a film. The film produced by this process has uniform thickness and good physical properties, such as tensile strength, tear strength and transparency, which is very suitable for making vest bags.

[0003] The existing patent announcement number CN215550911U discloses a plastic bag film blowing device, which is provided with a cylinder seat and a base, and uses a universal wheel to move the load-bearing frame to one side of the supporting frame, and the cylinder seat is placed on the base, the arc plate rotates to contact the base, and then is fixed with a fixing bolt, and a feed funnel is used to convey the raw material to the inside of the guide cylinder, and a first motor drives the rotating rod to rotate, so that the spiral conveying blade pushes the raw material, and a connecting pipe is used to connect the feeding mechanism and the film blowing mechanism, and a fan is started, and external wind is blown to the inside of the cylinder seat through an air blowing pipe, and the raw material coming out of the discharge port is inflated and cooled, so that the raw material becomes an expanded film bubble, and the film bubble extends and moves in the direction close to the guide roller under the action of the wind force, and the film bubble is under the action of the blowing holes and the wind shield on the outer surface of the blowing pipe, and the guide roller on the outer surface of the support plate increases the tensile force when the material is rolled, and the second motor on the outer surface of the fixed plate drives the receiving roller to rotate, so that the plastic bag is rolled.

[0004] The positions of the two groups of guide rollers in the above device are fixed. The thickness of the vest bags varies. The positions of the guide rollers are inconvenient to adjust, which affects the material guiding of thicker vest bags. The practicality still needs to be improved. In view of the above problems, a film blowing device for producing vest bags is proposed. Utility Model Content

[0005] The utility model aims to provide a film blowing device for producing a vest bag, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A film blowing device for producing vest bags, comprising a blowing device and a support plate, wherein a through hole is provided on the support plate, two groups of positioning blocks are fixedly connected to the top of the support plate, two groups of positioning rollers are arranged between the two groups of positioning blocks, and an adjusting component for adjusting the distance between the two groups of positioning rollers is arranged on the positioning block, a guide ring is arranged at the bottom of the support plate, and no less than eight groups of support rods are rotatably connected to the guide ring, a plurality of cross bars are arranged on one side of the support rod, and a rotating component for adjusting the support rod to rotate is arranged on the guide ring;

[0008] A blowing device is provided at the bottom of the guide ring, and the blowing device, the guide ring and both sides of the support plate are fixedly connected by fixing columns.

[0009] In an optional scheme: the adjustment component includes a moving block and a sliding block, the positioning block is provided with a groove, a group of moving blocks and sliding blocks are slidably connected in the groove, one end of the positioning roller is rotatably connected to the sliding block, the end of the positioning roller away from the sliding block is rotatably connected to the moving block, a motor for driving the positioning roller to rotate is installed on one side of the moving block, a threaded column is rotatably connected to one side of the sliding block, and a threaded hole matching the threaded column is provided on one side of the inner wall of the groove.

[0010] In an optional scheme: the rotating assembly includes a disc and a positioning rod, the top of the support rod is fixedly connected to the bottom of the rotating block, the rotating block is rotatably connected to the guide ring, the top of the rotating block is fixedly connected to a disc, a sliding hole is provided on the disc, a positioning rod is slidably connected in the sliding hole, a plurality of positioning holes for cooperating with the positioning rod are provided on the guide ring, and a handle is provided on the disc.

[0011] In an optional solution: two sets of limiting plates are fixedly connected to the bottom of the support plate.

[0012] In an optional solution: a side of the moving block away from the sliding block is fixedly connected with a telescopic rod, and an end of the telescopic rod away from the moving block is installed on one side of the inner wall of the groove.

[0013] In an optional solution: one end of the threaded column away from the sliding block is fixedly connected to a turntable.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model provides a positioning block, two groups of positioning rollers and an adjusting component. The adjusting component can adjust the distance between the two groups of positioning rollers, thereby facilitating the guided transportation of vest bag films of different thicknesses and squeezing out the air in the vest bag films to facilitate the next operation and improve practicality.

[0016] The utility model provides a support rod and a rotating assembly, and the rotating assembly can adjust the angle of the crossbar, so as to facilitate the positioning of vest bag films of different sizes.

[0017] The utility model provides two groups of limiting plates, which can limit the position of the vest bag film and reduce the air in the vest bag film, making it convenient for the two groups of positioning rollers to perform extrusion. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a structural schematic diagram of the utility model.

[0019] Figure 2 It is a schematic diagram of the local structure of the utility model.

[0020] Figure 3 It is a schematic diagram of the structure where the groove is located in the utility model.

[0021] In the figure: 1. Blowing device; 2. Fixed column; 3. Support rod; 4. Guide ring; 5. Limit plate; 6. Positioning block; 7. Support plate; 8. Positioning roller; 9. Cross bar; 10. Positioning hole; 11. Positioning rod; 12. Disc; 13. Rotating block; 14. Motor; 15. Through hole; 16. Moving block; 17. Threaded column; 18. Turntable; 19. Groove; 20. Telescopic rod; 21. Sliding block. DETAILED DESCRIPTION

[0022] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 3 In this embodiment, a film blowing device for producing a vest bag includes a blowing device 1 and a support plate 7, a through hole 15 is provided on the support plate 7, two groups of positioning blocks 6 are fixedly connected to the top of the support plate 7, two groups of positioning rollers 8 are arranged between the two groups of positioning blocks 6, and an adjusting component for adjusting the distance between the two groups of positioning rollers 8 is arranged on the positioning block 6, a guide ring 4 is arranged at the bottom of the support plate 7, and no less than eight groups of support rods 3 are rotatably connected to the guide ring 4, a plurality of cross bars 9 are arranged on one side of the support rod 3, and a rotating component for adjusting the rotation of the support rod 3 is arranged on the guide ring 4;

[0025] A blowing device 1 is provided at the bottom of the guide ring 4. The blowing device 1, the guide ring 4 and the two sides of the support plate 7 are fixedly connected by the fixing columns 2. When in use, the rotating component drives the support rod 3 to rotate, and adjusts the angle of the cross bar 9, so as to limit the upward extension angle of the vest bag film, and at the same time, the vest bag films of different sizes can be limited. The adjusting component adjusts the distance between the two groups of positioning rollers 8, and the blowing device 1 starts to work to blow the vest bag film upward. The vest bag film extends upward to the bottom of the support plate 7 through the guide ring 4, passes through the two groups of positioning rollers 8 through the through hole 15, and the positioning rollers 8 rotate. The two groups of positioning rollers 8 rotate in opposite directions, guide the vest bag film and squeeze the air inside, so as to facilitate the subsequent winding.

[0026] The adjustment component includes a moving block 16 and a sliding block 21. A groove 19 is provided in the positioning block 6. A group of moving blocks 16 and sliding blocks 21 are slidably connected in the groove 19. One end of the positioning roller 8 is rotatably connected to the sliding block 21, and the end of the positioning roller 8 away from the sliding block 21 is rotatably connected to the moving block 16. A motor 14 for driving the positioning roller 8 to rotate is installed on one side of the moving block 16. A threaded column 17 is rotatably connected to one side of the sliding block 21. A threaded hole matching the threaded column 17 is provided on one side of the inner wall of the groove 19. The threaded column 17 is rotated, and the threaded column 17 moves outward in the threaded hole. The threaded column 17 drives the sliding block 21 to slide. The motor 14 slides in the groove 19 to extrude the telescopic rod 20, so as to adjust the distance between the two groups of positioning rollers 8 and extrude and transmit vest bag films of different thicknesses.

[0027] The rotating assembly includes a disc 12 and a positioning rod 11. The top of the support rod 3 is fixedly connected to the bottom of the rotating block 13. The rotating block 13 is rotatably connected to the guide ring 4. The top of the rotating block 13 is fixedly connected with a disc 12. A sliding hole is provided on the disc 12. The positioning rod 11 is slidably connected in the sliding hole. The guide ring 4 is provided with a plurality of positioning holes 10 for cooperating with the positioning rod 11 to be inserted. A handle is provided on the disc 12. First, the positioning rod 11 is taken out, and the disc 12 is rotated by the handle. The disc 12 drives the support rod 3 to rotate, and then the positioning rod 11 is inserted into the positioning hole 10. The angle of the cross bar 9 is adjusted. Multiple groups of cross bars 9 can be coordinated to limit vest bag films of different sizes.

[0028] Two groups of limiting plates 5 are fixedly connected to the bottom of the support plate 7, which can limit the position of the vest bag film and reduce the air in the vest bag film, making it convenient for the two groups of positioning rollers 8 to squeeze.

[0029] A telescopic rod 20 is fixedly connected to one side of the moving block 16 away from the sliding block 21 , and one end of the telescopic rod 20 away from the moving block 16 is installed on one side of the inner wall of the groove 19 . By setting the telescopic rod 20 , the movement of the moving block 16 can be limited.

[0030] One end of the threaded column 17 away from the sliding block 21 is fixedly connected to a turntable 18 . The turntable 18 can be provided to facilitate the staff to rotate the threaded column 17 .

[0031] The working principle of the utility model is as follows: when in use, first take out the positioning rod 11, rotate the disc 12 by the handle, the disc 12 drives the support rod 3 to rotate, then insert the positioning rod 11 into the positioning hole 10, adjust the angle of the cross bar 9, thereby limiting the upward extension angle of the vest bag film, and at the same time can limit the vest bag films of different sizes, rotate the turntable 18 to drive the threaded column 17 to move outward in the threaded hole, the threaded column 17 drives the sliding block 21 to slide, the sliding block 21 drives the positioning roller 8 to move, thereby driving the moving block 16 to move Move, a motor 14 is installed on the moving block 16, thereby driving the motor 14 to slide in the groove 19 to squeeze the telescopic rod 20, thereby adjusting the distance between the two groups of positioning rollers 8, and the blowing device 1 starts to work to blow the vest bag film upward, and the vest bag film extends upward to the bottom of the support plate 7 through the guide ring 4, and passes through the two groups of positioning rollers 8 through the through hole 15. The motor 14 starts to work and drives the positioning rollers 8 to rotate. The two groups of positioning rollers 8 rotate in opposite directions, guiding the vest bag film and squeezing the air inside, which is convenient for subsequent winding.

[0032] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A film blowing device for producing a vest bag, comprising a blowing device (1) and a support plate (7), characterized in that: The support plate (7) is provided with a through hole (15), the top of the support plate (7) is fixedly connected with two groups of positioning blocks (6), two groups of positioning rollers (8) are arranged between the two groups of positioning blocks (6), the positioning blocks (6) are provided with an adjustment component for adjusting the distance between the two groups of positioning rollers (8), the bottom of the support plate (7) is provided with a guide ring (4), the guide ring (4) is rotatably connected with no less than eight groups of support rods (3), one side of the support rod (3) is provided with a plurality of cross bars (9), and the guide ring (4) is provided with a rotation component for adjusting the support rod (3) to rotate; A blowing device (1) is provided at the bottom of the guide ring (4), and the blowing device (1), the guide ring (4) and both sides of the support plate (7) are fixedly connected via fixing columns (2).

2. A film blowing device for producing a vest bag according to claim 1, characterized in that: The adjustment component comprises a moving block (16) and a sliding block (21); a groove (19) is provided in the positioning block (6); a group of moving blocks (16) and sliding blocks (21) are slidably connected in the groove (19); one end of the positioning roller (8) is rotatably connected to the sliding block (21); one end of the positioning roller (8) away from the sliding block (21) is rotatably connected to the moving block (16); a motor (14) for driving the positioning roller (8) to rotate is installed on one side of the moving block (16); a threaded column (17) is rotatably connected to one side of the sliding block (21); and a threaded hole matching the threaded column (17) is provided on one side of the inner wall of the groove (19).

3. A film blowing device for producing a vest bag according to claim 1, characterized in that: The rotating assembly comprises a disc (12) and a positioning rod (11); the top of the support rod (3) is fixedly connected to the bottom of the rotating block (13); the rotating block (13) is rotatably connected to the guide ring (4); the top of the rotating block (13) is fixedly connected to the disc (12); a sliding hole is provided on the disc (12); the positioning rod (11) is slidably connected in the sliding hole; the guide ring (4) is provided with a plurality of positioning holes (10) for cooperating with the positioning rod (11) to be inserted; and the disc (12) is provided with a handle.

4. A film blowing device for producing a vest bag according to claim 1, characterized in that: Two groups of limiting plates (5) are fixedly connected to the bottom of the support plate (7).

5. A film blowing device for producing a vest bag according to claim 2, characterized in that: A telescopic rod (20) is fixedly connected to one side of the moving block (16) away from the sliding block (21); an end of the telescopic rod (20) away from the moving block (16) is mounted on one side of the inner wall of the groove (19).

6. A film blowing device for producing a vest bag according to claim 2, characterized in that: One end of the threaded column (17) away from the sliding block (21) is fixedly connected to a rotating disk (18).

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