Pressing equipment for production of wrapping film

Abstract

The utility model relates to the technical field of wrapping film production, and discloses a wrapping film production pressing device which comprises a table body, the top of the table body is fixedly connected with four supporting columns which are distributed in a rectangular array mode, the tops of the four supporting columns are fixedly connected with top plates, the back faces of the top plates are fixedly connected with connecting columns, and the connecting columns are fixedly connected with the table body. A rotating shaft is rotationally connected to the interior of the connecting column, a first belt wheel is fixedly connected to the back face of the rotating shaft, a motor is arranged at the top of the top plate, the output end of the motor is fixedly connected with a second belt wheel, the outer side of the first belt wheel is in transmission connection with the outer side of the second belt wheel through a belt, and a film winding barrel is inserted into the outer side of the rotating shaft. The pressing equipment for production of the winding films has the advantages of having an adjusting function and the like, and solves the problem that when common pressing equipment is used for pressing the winding films with different thicknesses, due to the fact that the common pressing equipment does not have the adjusting function, the winding effect can be affected by too thick or too thin winding films, and the winding effect is common.

Description

Technical Field

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

[0002] Stretch film is also called stretch film and heat shrink film. The earliest PVC stretch film in China was produced with PVC as the base material and DOA as the plasticizer and self-adhesive. The stretch film has the characteristics of good tensile performance, good transparency and uniform thickness. In the process of stretch film production, compression equipment is needed to make the stretch film roll more compact.

[0003] Ordinary stretch film pressing equipment usually does not have an adjustment function. When using ordinary pressing equipment to press stretch films of different thicknesses, because there is no adjustment function, too thick or too thin will affect the winding effect, resulting in mediocre winding effect. Therefore, a pressing equipment for stretch film production is proposed to solve the above-mentioned problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a pressing device for the production of stretch film, which has advantages such as an adjustment function. It solves the problem that when ordinary pressing equipment is used to press stretch films of different thicknesses, because there is no adjustment function, too thick or too thin will affect the winding effect, resulting in a general winding effect.

[0006] (II) Technical solution

[0007] The utility model solves the above-mentioned technical problem with the following technical solutions: A compression device for producing a stretch film, comprising a platform, the top of the platform is fixedly connected with four support columns distributed in a rectangular array, the tops of the four support columns are fixedly connected with a top plate, the back of the top plate is fixedly connected with a connecting column, the inside of the connecting column is rotatably connected with a rotating shaft, the back of the rotating shaft is fixedly connected with a first pulley, a motor is arranged on the top of the top plate, the output end of the motor is fixedly connected with a second pulley, the outer side of the first pulley is connected with the outer side of the second pulley by a belt drive, a film winding cylinder is inserted on the outer side of the rotating shaft, a support plate is fixedly connected with a support plate on the left side of the platform, two fixed blocks are fixedly connected with the top of the support plate, the insides of the two fixed blocks are slidably connected with telescopic columns, the bottoms of the two telescopic columns are fixedly connected with springs, the two springs are respectively movably connected with the insides of the two fixed blocks, the tops of the two telescopic columns are fixedly connected with the same pressure plate, the pressure plate is adapted to the film winding cylinder, and the top of the platform is provided with a film output end.

[0008] The beneficial effects of the utility model are as follows: the wrapping film is output from the output end of the mold body, and after the wrapping film is wound onto the film winding drum, the motor drives the first pulley to rotate through the second pulley, and the first pulley drives the film winding drum to rotate through the rotating shaft to roll the wrapping film, and during the film winding process, the spring drives the pressure plate through the telescopic column to apply pressure to the wrapping film on the film winding drum to achieve the purpose of pressing and adjusting functions.

[0009] The pressing device for producing stretch film has the advantage of an adjustment function.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, two first electric push rods are fixedly connected to the bottom of the top plate and are symmetrically distributed front to back, and the bottoms of the two first electric push rods are fixedly connected to a first connecting block, and the same first pressure roller is rotatably connected between the two first connecting blocks.

[0012] The beneficial effect of adopting the above further solution is that the two first electric push rods can drive the first roller to rise and fall and adjust the position through the two first connecting blocks.

[0013] Furthermore, two second electric push rods are fixedly connected to the top of the platform body and are symmetrically distributed front to back. The tops of the two second electric push rods are fixedly connected to second connecting blocks. The same second pressure roller is rotatably connected between the two second electric push rods, and the first pressure roller is adapted to the second pressure roller.

[0014] The beneficial effect of adopting the above further solution is that the two second electric push rods can drive the second pressing roller to move up and down and adjust the position through the two second connecting blocks.

[0015] Furthermore, four clamping strips are arranged on the outer side of the rotating shaft and are distributed in a ring array, and the four clamping strips are all slidably connected to the inside of the film winding cylinder.

[0016] The beneficial effect of adopting the above further solution is that the four clamping strips prevent the film winding cylinder from slipping.

[0017] Furthermore, a protective pad is provided on the top of the pressure plate, and the protective pad is adapted to the film winding cylinder.

[0018] The beneficial effect of adopting the above further solution is that the protective pad prevents the pressure plate from cutting the stretch film.

[0019] Furthermore, a shell is fixedly connected to the top of the top plate, and the shell is adapted to the motor.

[0020] The beneficial effect of adopting the above further solution is that the housing provides a certain protection effect for the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a front view of the connection structure between the rotating shaft and the film winding cylinder of the utility model;

[0023] Figure 3 This is a side view of the connection structure between the motor and the top plate of the utility model;

[0024] Figure 4 This is an enlarged view of the structure at point A of the utility model.

[0025] In the figure: 1. platform; 2. support column; 3. top plate; 4. connecting column; 5. rotating shaft; 6. first pulley; 7. second pulley; 8. film winding cylinder; 9. support plate; 10. fixing block; 11. telescopic column; 12. spring; 13. pressure plate; 14. film output end; 15. first electric push rod; 16. first connecting block; 17. first pressure roller; 18. second electric push rod; 19. second connecting block; 20. second pressure roller; 21. clamping strip; 22. protective pad; 23. housing; 24. motor. DETAILED DESCRIPTION

[0026] 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.

[0027] In the embodiment, Figure 1-4 A compression device for producing a stretch film is provided. The utility model comprises a platform 1. Four support columns 2 arranged in a rectangular array are fixedly connected to the top of the platform 1. The tops of the four support columns 2 are fixedly connected to a top plate 3. The back of the top plate 3 is fixedly connected to a connecting column 4. The inside of the connecting column 4 is rotatably connected to a rotating shaft 5. The back of the rotating shaft 5 is fixedly connected to a first pulley 6. A motor 24 is arranged on the top of the top plate 3. The output end of the motor 24 is fixedly connected to a second pulley 7. The outer side of the first pulley 6 is connected to the outer side of the second pulley 7 through a belt drive. A film winding cylinder 8 is inserted on the outer side of the rotating shaft 5, a support plate 9 is fixedly connected to the left side of the platform 1, two fixed blocks 10 are fixedly connected on the top of the support plate 9 and are symmetrically distributed in the front and back, and telescopic columns 11 are slidably connected inside the two fixed blocks 10, and springs 12 are fixedly connected to the bottoms of the two telescopic columns 11, and the two springs 12 are movably connected to the inside of the two fixed blocks 10 respectively, and the tops of the two telescopic columns 11 are fixedly connected to the same pressure plate 13, which is adapted to the film winding cylinder 8, and a film output terminal 14 is provided on the top of the platform 1;

[0028] The bottom of the top plate 3 is fixedly connected with two first electric push rods 15 which are symmetrically distributed front and back. The bottoms of the two first electric push rods 15 are fixedly connected with first connecting blocks 16. The same first pressing roller 17 is rotatably connected between the two first connecting blocks 16.

[0029] The two first electric push rods 15 can drive the first roller 17 to move up and down to adjust the position through the two first connecting blocks 16;

[0030] The top of the platform 1 is fixedly connected with two second electric push rods 18 which are symmetrically distributed front and back. The tops of the two second electric push rods 18 are fixedly connected with second connecting blocks 19. The two second electric push rods 18 are rotatably connected with the same second pressing roller 20. The first pressing roller 17 is adapted to the second pressing roller 20.

[0031] The two second electric push rods 18 can drive the second pressing roller 20 to move up and down to adjust the position through the two second connecting blocks 19, and the first pressing roller 17 can cooperate with the second pressing roller 20 to limit the wrapping film;

[0032] The outer side of the rotating shaft 5 is provided with four clamping strips 21 distributed in a circular array, and the four clamping strips 21 are all slidably connected to the inside of the film winding cylinder 8;

[0033] The four clamping strips 21 prevent the film winding tube 8 from slipping;

[0034] A protective pad 22 is provided on the top of the pressure plate 13, and the protective pad 22 is adapted to the film winding cylinder 8;

[0035] The protective pad 22 prevents the pressure plate 13 from cutting the stretch film;

[0036] The top of the top plate 3 is fixedly connected with a housing 23, and the housing 23 is adapted to the motor 24;

[0037] The housing 23 provides a certain protection effect for the motor 24 .

[0038] Working principle:

[0039] The first step: the wrapping film outputted from the film output end 14 passes between the first pressing roller 17 and the second pressing roller 20 to the outside of the film winding cylinder 8. After the wrapping film is wound around the film winding cylinder 8 for one circle, the two springs 12 drive the pressure plate 13 to rise through the two telescopic columns 11 to limit the wrapping film wound around the outside of the film winding cylinder 8;

[0040] Step 2: Start the two first electric push rods 15 to drive the first pressure roller 17 to rise and fall to a suitable position for the wrapping film through the two first connecting blocks 16, start the two second electric push rods 18 to drive the second pressure roller 20 to rise and fall to a suitable position through the two second connecting blocks 19, and the first pressure roller 17 cooperates with the second pressure roller 20 to limit the wrapping film;

[0041] Step 3: Start the motor 24 to drive the first pulley 6 through the second pulley 7 to rotate the first pulley 6, and the first pulley 6 drives the film winding cylinder 8 to rotate through the rotating shaft 5 to roll the winding film.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A compression device for producing stretch film, comprising a platform (1), characterized in that: The top of the platform (1) is fixedly connected to four support columns (2) distributed in a rectangular array, the tops of the four support columns (2) are all fixedly connected to a top plate (3), the back of the top plate (3) is fixedly connected to a connecting column (4), the inside of the connecting column (4) is rotatably connected to a rotating shaft (5), the back of the rotating shaft (5) is fixedly connected to a first pulley (6), a motor (24) is arranged on the top of the top plate (3), the output end of the motor (24) is fixedly connected to a second pulley (7), the outer side of the first pulley (6) is connected to the outer side of the second pulley (7) by a belt drive, and the outer side of the rotating shaft (5) is plugged with a film winding drum. (8), a support plate (9) is fixedly connected to the left side of the platform (1), and two fixed blocks (10) are fixedly connected to the top of the support plate (9) and are symmetrically distributed in the front and back. The interiors of the two fixed blocks (10) are slidably connected with telescopic columns (11), and the bottoms of the two telescopic columns (11) are fixedly connected with springs (12). The two springs (12) are movably connected to the interiors of the two fixed blocks (10), respectively. The tops of the two telescopic columns (11) are fixedly connected with the same pressure plate (13), and the pressure plate (13) is adapted to the film winding cylinder (8). A film output terminal (14) is provided at the top of the platform (1).

2. The compression device for producing stretch film according to claim 1, characterized in that: The bottom of the top plate (3) is fixedly connected to two first electric push rods (15) which are symmetrically distributed front to back, the bottoms of the two first electric push rods (15) are both fixedly connected to a first connecting block (16), and the same first pressure roller (17) is rotatably connected between the two first connecting blocks (16).

3. The compression device for producing stretch film according to claim 2, characterized in that: The top of the platform (1) is fixedly connected to two second electric push rods (18) which are symmetrically distributed front to back, the tops of the two second electric push rods (18) are fixedly connected to second connecting blocks (19), the two second electric push rods (18) are rotatably connected to the same second pressing roller (20), and the first pressing roller (17) is adapted to the second pressing roller (20).

4. The compression device for producing stretch film according to claim 1, characterized in that: Four clamping strips (21) are arranged on the outside of the rotating shaft (5) and are distributed in a ring array. The four clamping strips (21) are all slidably connected to the inside of the film winding cylinder (8).

5. The compression device for producing stretch film according to claim 1, characterized in that: A protective pad (22) is provided on the top of the pressure plate (13), and the protective pad (22) is compatible with the film winding cylinder (8).

6. The compression device for producing stretch film according to claim 1, characterized in that: A housing (23) is fixedly connected to the top of the top plate (3), and the housing (23) is compatible with the motor (24).

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