Fixed-length cutting device for filter bag

By designing a filter bag length-fixed cutting device, the transmission components and elastic elements are used to flatten the filter bag, and the scale plate and laser emitter are combined to ensure consistent cutting length, thus solving the problem of inconsistent filter bag cutting length and improving the production quality of filter bags.

CN223849343UActive Publication Date: 2026-01-30JIANGSU SHANGJIA KNITTING PRINTING & DYEING CO LTD
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Patent Information

Application Number
CN202520081084.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-30
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

Existing filter bag cutting devices cannot flatten the filter bags during cutting, resulting in wrinkles on the filter bag surface that affect the consistency of the cutting length, leading to inconsistent lengths of filter bags in the same batch.

Method used

A filter bag fixed-length cutting device was designed. The drive component drives the sprocket and chain transmission, the connecting block drives the mounting frame to move, the pressure roller flattens the filter bag, and the elastic force of the elastic element ensures that the filter bag is flat. Combined with the scale plate and laser emitter, the cutting length is ensured to be consistent.

Benefits of technology

This has enabled the standardization of filter bag cutting lengths, improved the quality of filter bag production, and ensured that filter bags in the same batch are of consistent length.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a filter bag fixed-length cutting device which comprises a supporting frame, a supporting plate is fixedly arranged in the supporting frame, a supporting shaft is rotatably arranged in the supporting plate, a driving assembly is arranged on the front side of the supporting plate, a chain wheel is fixedly arranged on the surface of the supporting shaft, and a chain is arranged on the surface of the chain wheel in a meshed mode. A connecting block is fixedly arranged on the surface of the chain, a mounting frame is fixedly arranged at the top of the connecting block, a guide shaft is fixedly arranged in the mounting frame, a mounting block is slidably arranged on the surface of the guide shaft, and an elastic piece is arranged on the surface of the guide shaft; a mounting shaft is fixedly arranged on the side, close to the center of the supporting plate, of the mounting block, and a pressing roller is rotationally arranged on the surface of the mounting shaft, the device can flatten wrinkled filter bags, the filter bags are prevented from being influenced during slitting, the lengths of the filter bags in the same batch are fixed, and the production quality of the filter bags is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to filter bag production technical field especially relates to a filter bag fixed length cutting device. BACKGROUND

[0002] Filter bag has excellent chemical property stability and heat resistance, is the highest performance representative applied to filter material industry, is also the highest end variety of performance in all commonly used filter materials, reaches higher level in filter efficiency and filter precision etc., and filter bag needs cutting in production process, is divided into multiple sections.

[0003] The existing filter bag cutting device does not flatten the filter bag when cutting the filter bag, and the filter bag is generally rolled up before slitting, so there are often wrinkles on the surface of the filter bag. If these wrinkles are not flattened and directly cut, the filter bag cutting length will be affected, and the lengths of the filter bags in the same batch will be different. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a filter bag fixed length cutting device for solving the problems in the background art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A filter bag fixed length cutting device, comprising a support frame, a support plate is fixedly arranged in the inside of the support frame, a support shaft is rotatably arranged in the inside of the support plate, a drive assembly is arranged on the front side of the support plate, a chain wheel is fixedly arranged on the surface of the support shaft, a chain is meshed on the surface of the chain wheel, the chain and another chain wheel are meshed and connected, a connecting block is fixedly arranged on the surface of the chain, an installation frame is fixedly arranged on the top of the connecting block, a guide shaft is fixedly arranged in the inside of the installation frame, an installation block is slidably arranged on the surface of the guide shaft, an elastic piece is arranged on the surface of the guide shaft, an installation shaft is fixedly arranged on the side of the installation block close to the center of the support plate, a compression roller is rotatably arranged on the surface of the installation shaft, a lifting assembly is arranged on the top of the support frame, the support frame is provided with a moving frame through the lifting assembly, a front and rear moving assembly is arranged in the inside of the moving frame, a cutting knife is arranged on the moving frame through the front and rear moving assembly, and a through slot is arranged in the inside of the support plate.

[0007] Preferably, the drive assembly comprises a support plate fixedly arranged on the front side of the support plate, a drive motor is fixedly arranged on the surface of the support plate, and the output end of the drive motor is fixedly connected with the right side support shaft.

[0008] Preferably, the lifting assembly includes a telescopic cylinder fixedly mounted on the top of the support frame. The output end of the telescopic cylinder extends through the support frame into the interior of the support frame and is fixedly mounted with a lifting block. The bottom of the lifting block is fixedly connected to the movable frame.

[0009] Preferably, the front and rear moving assembly includes a rotary motor fixedly disposed on the front side of the moving frame. The output end of the rotary motor extends through the moving frame into the interior of the moving frame and is fixedly disposed with a screw. The surface of the screw is threaded with a moving block, and the bottom of the moving block is fixedly connected to the cutting blade.

[0010] Preferably, a scale plate is fixedly installed on the rear side inside the support frame, and a laser emitter is slidably installed on the surface of the scale plate.

[0011] Preferably, a scale plate is fixedly installed on the rear side inside the support frame, and a laser emitter is slidably installed on the surface of the scale plate.

[0012] Preferably, the elastic element is a spring, one end of the elastic element is fixedly connected to the mounting block, and the other end of the elastic element is fixedly connected to the mounting bracket.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: When the drive motor is started, the right support shaft rotates. The rotation of the right support shaft drives the sprocket to rotate, which in turn drives the chain to rotate. The chain rotation drives the mounting frame to move through the connecting block. The movement of the mounting frame causes the pressure roller to move together. At the same time, according to the thickness of the filter bag itself, the pressure roller is pushed upward. The pressure roller drives the mounting block to move upward along the guide shaft through the mounting shaft. The upward movement of the mounting block stretches the elastic element. The rebound of the elastic element pushes the pressure roller downward. The pressure roller flattens the filter bag placed on the support plate. This device can flatten wrinkled filter bags, avoiding the influence during filter bag cutting, ensuring that the length of filter bags in the same batch is consistent, and improving the production quality of filter bags. Attached Figure Description

[0014] Figure 1 This is an isometric drawing of the structure of this utility model;

[0015] Figure 2 This is a right sectional view of the structure of this utility model;

[0016] Figure 3 This is a right sectional view of a partial structure of the present invention;

[0017] Figure 4 for Figure 3 Enlarged view of the structure at point A;

[0018] Figure 5 for Figure 1 Enlarged view of the structure at point B.

[0019] In the figure: 1, support frame; 2, support plate; 3, support plate; 4, drive motor; 5, support shaft; 6, chain wheel; 7, chain; 8, connecting block; 9, mounting frame; 10, guide shaft; 11, mounting block; 12, elastic member; 13, mounting shaft; 14, compression roller; 15, telescopic cylinder; 16, lifting block; 17, moving frame; 18, rotary motor; 19, screw; 20, moving block; 21, cutting knife; 22, through slot; 23, scale plate; 24, laser emitter; 25, foot stool. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Reference Figures 1-5The utility model provides a filter bag fixed length cutting device, including support frame 1, the bottom fixed setting of support frame 1 is equipped with the support of two legs 25, the inside fixed setting of support frame 1 is equipped with support plate 2, the inside rotation of support plate 2 is equipped with support shaft 5, and the front side of support plate 2 is provided with drive assembly, and drive assembly includes the support plate 3 of fixed setting in the front side of support plate 2, the surface fixed setting of support plate 3 is equipped with drive motor 4, and the output of drive motor 4 is fixedly connected with the right side support shaft 5, can drive chain 7 to rotate through drive motor 4, and the position of compression roller 14 is controlled in turn, the surface fixed setting of support shaft 5 is equipped with sprocket 6, and the surface of sprocket 6 is engaged with chain 7, and chain 7 and another sprocket 6 are engaged with connection, and the surface fixed setting of chain 7 is equipped with connecting block 8, and the top fixed setting of connecting block 8 is equipped with mounting bracket 9, the inside fixed setting of mounting bracket 9 is equipped with guide shaft 10, and the surface sliding of guide shaft 10 is equipped with mounting block 11, and the surface of guide shaft 10 is provided with elastic element 12, and elastic element 12 is spring, one end of elastic element 12 is fixedly connected with mounting block 11, and the other end of elastic element 12 is fixedly connected with mounting bracket 9, and filter bag because of the reason of own thickness will promote elastic element 12 to move upwards in turn to make elastic element 12 stretch, and the rebound of elastic element 12 can exert pressure to filter bag in turn, and then it is pressed flat, and the side fixed setting of mounting block 11 close to the center of support plate 2 is equipped with mounting shaft 13, and the surface rotation of mounting shaft 13 is equipped with compression roller 14, and the top of support frame 1 is provided with lifting assembly, and support frame 1 is provided with moving frame 17 through lifting assembly, and the inside of moving frame 17 is provided with front and back moving assembly, and moving frame 17 is provided with cutting knife 21 through front and back moving assembly, and the inside of support plate 2 is provided with through slot 22, the filter bag fixed length cutting device, starts drive motor 4, drives the rotation of right side support shaft 5, and right side support shaft 5 drives the rotation of sprocket 6, and sprocket 6 drives the rotation of chain 7, and chain 7 rotates and drives mounting bracket 9 to move through connecting block 8, and mounting bracket 9 moves and makes compression roller 14 move together, and according to the thickness of filter bag itself, it will promote compression roller 14 to move upwards, and compression roller 14 drives mounting block 11 to move upwards along guide shaft 10 through mounting shaft 13, and mounting block 11 moves upwards and makes elastic element 12 stretch, and the rebound of elastic element 12 promotes compression roller 14 to move downwards, and the filter bag placed on support plate 2 is flattened through compression roller 14, and the device can flatten the filter bag of wrinkle, avoid the influence when filter bag slitting, make the length of filter bag of same batch, improve filter bag production quality.

[0022] Specific, lifting assembly includes fixedly arranged in the support frame 1 top telescopic cylinder 15, telescopic cylinder 15 output end through the support frame 1 extends to the inside of the support frame 1 and fixedly provided with lifting block 16, the bottom of lifting block 16 and mobile frame 17 fixedly connected, front and rear moving assembly includes fixedly arranged in the front of the mobile frame 17 rotating motor 18, rotating motor 18 output end through the mobile frame 17 extends to the inside of the mobile frame 17 and fixedly provided with screw rod 19, the surface of the screw rod 19 is provided with moving block 20, the bottom of moving block 20 and cutting knife 21 fixedly connected, drive telescopic cylinder 15 elongation output end, push lifting block 16 up and down, lifting block 16 moves with mobile frame 17 together, so that cutting knife 21 up and down, start rotating motor 18, drive screw rod 19 rotation, screw rod 19 rotation moving block 20 moving, moving block 20 moving cutting knife 21 forward and backward, cutting knife 21 upwardly moving to facilitate the movement of filter bag on the support plate 2, cutting knife 21 forward and backward can be directly cutting filter bag.

[0023] Specific, the inside of the support frame 1 rear side is fixedly provided with scale plate 23, the surface of the scale plate 23 is provided with laser emitter 24, the surface of the scale plate 23 has a scale, sliding the laser emitter 24 on the scale plate 23, according to the scale above moves to the specified position, and emits laser to the support plate 2 through the laser emitter 24, before cutting the filter bag each time, the end of the filter bag is aligned with the laser, which can ensure that the length of the filter bag cut each time is the same.

[0024] The electrical components appearing in the text are all connected with the main controller and 220V mains electricity, and the main controller can be a computer or other conventional known device that can be controlled.

[0025] In use: before cutting, lay the filter bag flat on the support plate 2, start the drive motor 4, drive the right support shaft 5 to rotate, the right support shaft 5 rotates to drive the sprocket 6 to rotate, the sprocket 6 rotates to drive the chain 7 to rotate, the chain 7 rotates to drive the mounting frame 9 to move through the connecting block 8, the mounting frame 9 moves to drive the compression roller 14 to move through the guide shaft 10, mounting block 11 and mounting shaft 13, at the same time, the filter bag will push the compression roller 14 to move upward, the compression roller 14 drives the mounting block 11 to move upward along the guide shaft 10 through the mounting shaft 13, the upward movement of the mounting block 11 causes the elastic member 12 to be stretched, the compression roller 14 is pushed downward by the rebound of the elastic member 12, the filter bag is flattened by the compression roller 14, then move the compression roller 14 to the leftmost end of the support plate 2, pass the flattened filter bag between the compression roller 14 and the support plate 2, and pull one end of the filter bag to the right side of the through slot 22, and align the laser emitter 24 on the surface of the scale plate 23 to emit laser to the surface of the support plate 2, then make the cutting knife 21 move downward and contact the filter bag, and make the cutting knife 21 move forward and backward to cut the filter bag.

[0026] In summary, the filter bag fixed-length cutting device, start the driving motor 4, drive the right support shaft 5 rotation, the right support shaft 5 rotation drive sprocket 6 rotation, sprocket 6 rotation drive chain 7 rotation, chain 7 rotation through the connecting block 8 drive mounting frame 9 moves, mounting frame 9 moves so that the compression roller 14 together with the movement, at the same time according to the filter bag thickness will push the compression roller 14 upward movement, compression roller 14 through the installation shaft 13 drive mounting block 11 along the guide shaft 10 upward movement, mounting block 11 upward movement so that the elastic element 12 is stretched, through the elastic element 12 rebound push the compression roller 14 downward movement, through the compression roller 14 on the support plate 2 on the filter bag is pressed flat, the device can be wrinkled filter bag is pressed flat, avoid filter bag cutting when affected, so that the same batch of filter bag length, improve the filter bag production quality.

[0027] It should be noted that in this document, relationship terms such as first and second are used only to differentiate one entity or action from another, and do not necessarily require or imply these entities or actions have any such actual relationship or order. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0028] Although the embodiments of the present application have been shown and described, it should be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A filter bag length cutting device comprising a support frame (1), characterized in that, The inside of the support frame (1) is fixedly provided with a support plate (2), the inside of the support plate (2) is rotatably provided with a support shaft (5), the front side of the support plate (2) is provided with a driving assembly, the surface of the support shaft (5) is fixedly provided with a chain wheel (6), the surface of the chain wheel (6) is engagedly provided with a chain (7), the chain (7) is engagedly connected with another chain wheel (6), the surface of the chain (7) is fixedly provided with a connecting block (8), the top of the connecting block (8) is fixedly provided with a mounting frame (9), the inside of the mounting frame (9) is fixedly provided with a guide shaft (10), the surface of the guide shaft (10) is slidably provided with a mounting block (11), the surface of the guide shaft (10) is provided with an elastic element (12), one side of the mounting block (11) close to the center of the support plate (2) is fixedly provided with a mounting shaft (13), the surface of the mounting shaft (13) is rotatably provided with a compression roller (14), the top of the support frame (1) is provided with a lifting assembly, the support frame (1) is provided with a moving frame (17) through the lifting assembly, the inside of the moving frame (17) is provided with a front-rear moving assembly, the moving frame (17) is provided with a cutting knife (21) through the front-rear moving assembly, the inside of the support plate (2) is provided with a through groove (22).

2. A filter bag cut-to-length apparatus according to claim 1, wherein, The driving assembly comprises a support plate (3) fixedly arranged on the front side of the support plate (2), and the surface of the support plate (3) is fixedly provided with a driving motor (4), and the output end of the driving motor (4) is fixedly connected with the right side of the support shaft (5).

3. A filter bag cut-to-length apparatus as defined in claim 1, wherein, The lifting assembly comprises a telescopic pneumatic cylinder (15) fixedly arranged on the top of the support frame (1), the output end of the telescopic pneumatic cylinder (15) extends through the support frame (1) to the inside of the support frame (1) and is fixedly provided with a lifting block (16), and the bottom of the lifting block (16) is fixedly connected with the moving frame (17).

4. A filter bag cut-to-length apparatus as defined in claim 1, wherein, The front-rear moving assembly comprises a rotary motor (18) fixedly arranged on the front side of the moving frame (17), the output end of the rotary motor (18) extends through the moving frame (17) to the inside of the moving frame (17) and is fixedly provided with a screw rod (19), the surface of the screw rod (19) is threadedly provided with a moving block (20), and the bottom of the moving block (20) is fixedly connected with the cutting knife (21).

5. A filter bag cut-to-length apparatus as defined in claim 1, wherein, The rear side of the inside of the support frame (1) is fixedly provided with a scale plate (23), and the surface of the scale plate (23) is slidably provided with a laser emitter (24).

6. A filter bag cut-to-length apparatus according to claim 1 wherein, The bottom of the support frame (1) is fixedly provided with a foot support (25), and the number of the foot support (25) is two.

7. A filter bag cut-to-length apparatus as defined in claim 1, wherein, The elastic element (12) is a spring, one end of the elastic element (12) is fixedly connected with the mounting block (11), and the other end of the elastic element (12) is fixedly connected with the mounting frame (9).