PTFE (Polytetrafluoroethylene) film slitting and shaft forming equipment

By designing PTFE membrane slitting into shaft equipment and using components such as cylinders, motors and threaded rods to achieve stable fixation and cutting of the membrane, the problem of traditional handheld hot knife cutting deviation is solved, and the cutting accuracy and efficiency are improved.

CN223369502UActive Publication Date: 2025-09-23HUBEI PLUTO ELECTRONICS CO LTD
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Patent Information

Application Number
CN202422900515.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-09-23
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

When traditionally slitting PTFE membranes, workers cannot effectively fix the hot knife they hold, causing the membrane to shift during cutting and affecting the cutting quality.

Method used

A PTFE membrane slitting and cutting equipment was designed. The equipment used components such as cylinders, motors, threaded rods and pressure bars to fix and cut the membrane. The motor drove the threaded rod to move the column, the cylinder drove the pressure bar to descend, and the electric push rod controlled the hot knife to cut the membrane.

Benefits of technology

The stable fixation and cutting of the PTFE membrane is achieved, deviation is avoided, and the cutting accuracy and efficiency are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of PTFE film production, and discloses PTFE film slitting and shaft forming equipment 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, the tops of the four supporting columns are fixedly connected with the same top plate, and the top plate is fixedly connected with the table body. Four air cylinders distributed in a rectangular array are fixedly connected to the interior of the top plate, the bottoms of the four air cylinders are fixedly connected with the same rectangular shell, a motor is arranged in the rectangular shell, the output end of the motor is fixedly connected with a threaded rod, and the outer side of the threaded rod is in transmission connection with a moving column through threads; the outer side of the moving column is slidably connected with the interior of the rectangular shell. The PTFE film slitting and shaft forming equipment has the advantages of having a fixing function and the like, and solves the problem that cutting of the PTFE film is affected due to the fact that the PTFE film cannot be well fixed when a worker holds a hot knife to slit the PTFE film, and deviation may occur during slitting.
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Description

Technical Field

[0001] The utility model relates to the technical field of PTFE film production equipment, in particular to a PTFE film slitting and shaft-forming equipment. Background Art

[0002] PTFE membrane is a microporous film made of polytetrafluoroethylene dispersed resin through special processes such as premixing, extrusion, calendering, and biaxial stretching. It is divided into clothing membrane, Puwei waterproof membrane, filtration membrane, and purification membrane. During the production process of PTFE membrane, PTFE membrane slitting equipment is needed to cut the PTFE membrane into shafts.

[0003] Traditionally, workers cut PTFE membranes by holding a hot knife. However, the workers cannot fix the PTFE membranes well when cutting with the hot knife. The membranes may deviate during cutting, which affects the cutting of the PTFE membranes. Therefore, a PTFE membrane cutting and shafting device is proposed to solve the above problems. Utility Model Content

[0004] (1) Technical problems solved

[0005] In response to the shortcomings of the existing technology, the utility model provides a PTFE membrane slitting into shafts equipment with advantages such as fixing function, which solves the problem that workers are usually unable to fix the PTFE membrane well when slitting it with a handheld hot knife, and may cause deviation during slitting, which affects the cutting of the PTFE membrane.

[0006] (2) Technical solution

[0007] The technical solution of the utility model for solving the above-mentioned technical problems is as follows: A PTFE membrane slitting into shaft equipment comprises a platform, the top of the platform is fixedly connected to four support columns distributed in a rectangular array, the tops of the four support columns are fixedly connected to the same top plate, the inside of the top plate is fixedly connected to four cylinders distributed in a rectangular array, the bottoms of the four cylinders are fixedly connected to the same rectangular shell, a motor is provided inside the rectangular shell, the output end of the motor is fixedly connected to a threaded rod, the outer side of the threaded rod is connected to a moving column through a threaded transmission, the outer side of the moving column is slidably connected to the inside of the rectangular shell, the bottom of the moving column is fixedly connected to a first pressure rod, the bottom of the rectangular shell is fixedly connected to a fixed column, the bottom of the fixed column is fixedly connected to a second pressure rod, the first pressure rod is adapted to the second pressure rod, the left side of the moving column is fixedly connected to a fixed block, the inside of the fixed block is fixedly connected to two electric push rods symmetrically distributed front and back, and the bottoms of the two electric push rods are fixedly connected to the same hot knife.

[0008] The beneficial effects of the utility model are as follows: the table body is convenient for placing the PTFE film, the motor drives the threaded rod to rotate, the threaded rod drives the moving column through the threaded transmission, and the moving column drives the first pressure rod to move and adjust the position where the PTFE film needs to be fixed, the four cylinders drive the moving column and the fixed column to descend through the rectangular shell, the fixed column and the moving column drive the first pressure rod and the second pressure rod to descend to fix the PTFE film, and when the moving column moves, it drives the two electric push rods to move through the fixed block, and the two electric push rods drive the hot knife to descend to cut the PTFE film.

[0009] The PTFE membrane slitting into shaft equipment has the advantage of fixing function.

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

[0011] Furthermore, a placement plate is fixedly connected to the top of the platform, and the placement plate is adapted to both the first pressing rod and the second pressing rod.

[0012] The beneficial effect of adopting the above further solution is that the placement plate facilitates the placement of the PTFE membrane.

[0013] Furthermore, two sliders are fixedly connected to the outer side of the movable column and are symmetrically distributed front to back. The outer sides of the two sliders are both slidably connected to the inner side of the rectangular shell.

[0014] The beneficial effect of adopting the above further solution is that the two sliders can provide a further limiting effect for the movable column through the rectangular housing.

[0015] Furthermore, the first pressing rod is made of rubber material, and the second pressing rod is made of rubber material.

[0016] The beneficial effect of adopting the above further solution is that the first pressing rod and the second pressing rod are made of rubber material, which can prevent the PTFE membrane from being damaged when the PTFE membrane is fixed.

[0017] Furthermore, four limiting blocks distributed in a rectangular array are fixedly connected to the outer side of the rectangular shell, and the outer sides of the four limiting blocks are slidably connected to the inner sides of the four support columns respectively.

[0018] The beneficial effect of adopting the above further solution is that the four limiting blocks can provide a further limiting effect for the rectangular shell through the four supporting columns.

[0019] Furthermore, the bottom of the platform is fixedly connected with supporting legs, and the number of the supporting legs is four and distributed in a rectangular array.

[0020] The beneficial effect of adopting the above further solution is that the four supporting legs can elevate the platform body to make it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This 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 movable column and the fixed block of the utility model;

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

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

[0025] In the figure: 1. table; 2. support column; 3. top plate; 4. cylinder; 5. rectangular shell; 6. motor; 7. threaded rod; 8. moving column; 9. first pressure rod; 10. fixed column; 11. second pressure rod; 12. fixed block; 13. electric push rod; 14. hot knife; 15. placement plate; 16. slider; 17. limit block; 18. support foot. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] In the embodiment, Figure 1-4 A PTFE membrane slitting device is given. The utility model includes a platform 1, 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 fixedly connected to the same top plate 3, the inside of the top plate 3 is fixedly connected to four cylinders 4 distributed in a rectangular array, the bottoms of the four cylinders 4 are fixedly connected to the same rectangular shell 5, a motor 6 is provided inside the rectangular shell 5, the output end of the motor 6 is fixedly connected to a threaded rod 7, the outer side of the threaded rod 7 is connected to a moving column 8 through a threaded transmission, the outer side of the moving column 8 is slidably connected to the inner side of the rectangular shell 5, the bottom of the moving column 8 is fixedly connected to a first pressing rod 9, the bottom of the rectangular shell 5 is fixedly connected to a fixed column 10, the bottom of the fixed column 10 is fixedly connected to a second pressing rod 11, the first pressing rod 9 is adapted to the second pressing rod 11, the left side of the moving column 8 is fixedly connected to a fixed block 12, the inside of the fixed block 12 is fixedly connected to two electric push rods 13 symmetrically distributed front and back, and the bottoms of the two electric push rods 13 are fixedly connected to the same hot knife 14;

[0028] A placement plate 15 is fixedly connected to the top of the platform 1, and the placement plate 15 is adapted to both the first pressing rod 9 and the second pressing rod 11;

[0029] The placement plate 15 is convenient for placing the PTFE membrane;

[0030] The outer side of the movable column 8 is fixedly connected to two sliders 16 that are symmetrically distributed front to back. The outer sides of the two sliders 16 are both slidably connected to the inner side of the rectangular housing 5.

[0031] The two sliders 16 can provide further limiting effect to the movable column 8 through the rectangular housing 5;

[0032] The first pressing rod 9 is made of rubber material, and the second pressing rod 11 is made of rubber material;

[0033] The first pressing rod 9 and the second pressing rod 11 are made of rubber material to prevent damage to the PTFE membrane when fixing the PTFE membrane;

[0034] The outer side of the rectangular housing 5 is fixedly connected to four limit blocks 17 distributed in a rectangular array. The outer sides of the four limit blocks 17 are slidably connected to the inner sides of the four support columns 2 respectively.

[0035] The four limiting blocks 17 can provide further limiting effect to the rectangular housing 5 through the four supporting columns 2;

[0036] The bottom of the platform 1 is fixedly connected with support legs 18, and the number of support legs 18 is four and they are distributed in a rectangular array;

[0037] The four supporting legs 18 can elevate the platform 1 to make it easier to use.

[0038] Working principle:

[0039] Step 1: Lay the PTFE membrane flat on the top of the placement plate 15, start the motor 6 to drive the threaded rod 7 to rotate, the threaded rod 7 drives the moving column 8 through the thread, and the moving column 8 drives the first pressing rod 9 to move and adjust the position where the PTFE membrane needs to be fixed;

[0040] Step 2: Start the four cylinders 4 to drive the movable column 8 and the fixed column 10 to descend through the rectangular housing 5. The fixed column 10 and the movable column 8 drive the first pressing rod 9 and the second pressing rod 11 to descend to fix the PTFE membrane;

[0041] Step 3: Start the two electric push rods 13 and the hot knife 14. The two electric push rods 13 drive the hot knife 14 to descend and cut the PTFE film.

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

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

Claims

1. A PTFE film slitting device 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 fixedly connected to a top plate (3), the interior of the top plate (3) is fixedly connected to four cylinders (4) distributed in a rectangular array, the bottoms of the four cylinders (4) are fixedly connected to a rectangular shell (5), a motor (6) is provided inside the rectangular shell (5), the output end of the motor (6) is fixedly connected to a threaded rod (7), the outer side of the threaded rod (7) is connected to a moving column (8) through a threaded transmission, and the moving column (8) is fixedly connected to the top plate (3). The outer side is slidably connected to the inner side of the rectangular shell (5); the bottom of the movable column (8) is fixedly connected to a first pressing rod (9); the bottom of the rectangular shell (5) is fixedly connected to a fixed column (10); the bottom of the fixed column (10) is fixedly connected to a second pressing rod (11); the first pressing rod (9) and the second pressing rod (11) are adapted to each other; the left side of the movable column (8) is fixedly connected to a fixed block (12); the interior of the fixed block (12) is fixedly connected to two electric push rods (13) that are symmetrically distributed front and back; the bottoms of the two electric push rods (13) are fixedly connected to the same hot knife (14).

2. The PTFE membrane slitting into shafts device according to claim 1, characterized in that: A placement plate (15) is fixedly connected to the top of the platform (1), and the placement plate (15) is compatible with both the first pressing rod (9) and the second pressing rod (11).

3. The PTFE membrane slitting into shafts device according to claim 1, characterized in that: Two sliders (16) are fixedly connected to the outer side of the movable column (8) and are symmetrically distributed front to back. The outer sides of the two sliders (16) are both slidably connected to the interior of the rectangular housing (5).

4. The PTFE membrane slitting into shafts device according to claim 1, characterized in that: The first pressing rod (9) is made of rubber material, and the second pressing rod (11) is also made of rubber material.

5. The PTFE membrane slitting into shafts device according to claim 1, characterized in that: Four limiting blocks (17) distributed in a rectangular array are fixedly connected to the outer side of the rectangular shell (5), and the outer sides of the four limiting blocks (17) are slidably connected to the inner sides of the four support columns (2).

6. The PTFE membrane slitting into shafts device according to claim 1, characterized in that: The bottom of the platform (1) is fixedly connected with supporting feet (18), and the number of the supporting feet (18) is four and they are distributed in a rectangular array.