Filter material shearing device
By designing a filter media shearing device, and utilizing guide wheels and a cutting mechanism to achieve fixed-length cutting of the filter media, the problem of low filter media cutting efficiency in filter bag production is solved, thereby improving production efficiency and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-29
- Publication Date
- 2026-04-21
AI Technical Summary
In the filter bag production process, existing technologies struggle to efficiently cut and segment filter media to obtain filter bags of a specified length, resulting in low production efficiency.
A filter media shearing device was designed, including a guide wheel, a pressure wheel mechanism, a cutting mechanism, and a conveyor belt. The filter media is guided by the guide wheel, extended by the pressure wheel, and cut by the cutting mechanism to achieve fixed-length cutting of the filter media.
This technology enables efficient fixed-length cutting of filter media, improving filter bag production efficiency and product quality.
Smart Images

Figure CN224148419U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of filter bag production technology and relates to a filter material shearing device. Background Technology
[0002] Filter bags possess excellent chemical stability and heat resistance, representing the highest performance in the filter media industry and the most advanced type of commonly used filter material, achieving high levels of filtration efficiency and precision. In the production process of filter bags, the filter cloth used to make the bags is cut, folded, and sewn to create long, thin strips of filter media. This media is then segmented and cut to obtain filter media of specified lengths for making filter bags of different sizes. Therefore, designing a filter media cutting device is essential. Summary of the Invention
[0003] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a filter material shearing device.
[0004] The objective of this utility model can be achieved through the following technical solution: A filter media shearing device, comprising a frame, characterized in that a feed guide is installed at the feed end of the frame, and a guide wheel 1, a guide wheel 2, and a guide wheel 3 for positioning and guiding the filter media are sequentially installed above the feed guide. A set of pressure roller mechanisms for spreading and flattening the filter media is installed between the guide wheel 2 and the guide wheel 3. The pressure roller mechanism includes an upper pressure roller and a support roller. The upper pressure roller is vertically installed above the feed guide via a push rod motor 1, and the support roller is installed below the feed guide at a position corresponding to the upper pressure roller. An opening for the support roller to rotate is provided on the feed guide. A middle guide is installed horizontally behind the feed guide. A shearing zone is formed between the middle guide and the feed guide. A cutting mechanism for cutting the filter media is installed in the shearing zone. A clamping component is installed above the middle guide via a push rod motor 2. A conveyor belt for discharging the filter media is provided behind the middle guide. An auxiliary wheel for discharging the filter media is installed above the feed end of the conveyor belt.
[0005] The working principle of this utility model is as follows: The filter material is introduced through the feed guide bar and conveyed backward under the action of guide wheel one and guide wheel two. After passing through guide wheel two, the upper pressure roller is controlled by push rod motor one to apply pressure and cooperate with the support wheel to flatten and spread the filter material, which facilitates subsequent cutting. Then it is conveyed backward through guide wheel three, and after passing through the middle guide bar, it enters the conveyor belt. During this process, the auxiliary wheel assists in the discharge. When the filter material output on the conveyor belt reaches the specified length, all mechanisms stop rotating. Push rod motor one increases the pressure of the upper pressure roller, and push rod motor two pushes out the clamping part to fix the filter material. Then the cutting mechanism is started to cut the filter material. After cutting, all mechanisms continue to repeat the above process.
[0006] The cutting mechanism includes a push rod motor three, which is horizontally mounted on the frame. The rod of the push rod motor three is connected to a mounting component, and a rotary motor is horizontally mounted inside the mounting component. The axis of the rotary motor is perpendicular to the direction of movement of the push rod motor. A cutter is mounted on the output shaft of the rotary motor, and a cutting opening for the cutter to extend is provided on the frame.
[0007] With the above structure, the rotary motor works continuously to ensure the cutter rotates continuously. When it is necessary to cut the filter material, the push rod motor pushes the cutter out to cut the filter material. After the cutting is completed, the cutter is controlled to retract so that the subsequent filter material can be conveyed normally.
[0008] The guide wheels 1, 2, and 3 are all equipped with auxiliary mechanisms for assisted pressing of the filter media. The auxiliary mechanism includes a T-shaped base, a U-shaped groove, and an auxiliary spring. The T-shaped base is mounted on the frame, and the U-shaped groove is engaged on the protrusion of the T-shaped base. An auxiliary spring connects the T-shaped base and the U-shaped groove. The guide wheels 1, 2, and 3 are all rotatably mounted on the bottom of the U-shaped groove.
[0009] With the above structure, when conveying filter media of different thicknesses, guide wheel one, guide wheel two and guide wheel three can adaptively fit together through the auxiliary spring and their own weight.
[0010] The mounting component has a guide groove on its upper part, and a guide component corresponding to the guide groove is provided inside the frame.
[0011] The above structure, through the cooperation of the guide groove and the guide component, provides positioning during the cutting process of pushing out and retracting the cutter, ensuring a smooth cut.
[0012] The feed end of the feed guide is configured as a downward-sloping arc.
[0013] The above structure facilitates material loading.
[0014] Compared with the prior art, this filter media shearing device has the following advantages: by setting up a smooth conveying line and cooperating with a corresponding positioning and flattening structure, this utility model can effectively cut the filter media by using a side-cutting method. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model.
[0016] Figure 2 This is a schematic diagram of the cutting mechanism in this utility model.
[0017] Figure 3 This is a schematic diagram of the auxiliary mechanism in this utility model.
[0018] In the diagram, 1. Frame; 2. Feed guide bar; 3. Guide wheel one; 4. Guide wheel two; 5. Guide wheel three; 6. Upper pressure roller; 7. Support wheel; 8. Push rod motor one; 9. Intermediate guide bar; 10. Push rod motor two; 11. Clamping component; 12. Conveyor belt; 13. Auxiliary wheel; 14. Push rod motor three; 15. Mounting component; 16. Cutter; 17. Cutting edge; 18. T-shaped base; 19. U-shaped slot component; 20. Auxiliary spring; 21. Guide groove. Detailed Implementation
[0019] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.
[0020] like Figure 1-3 As shown, this filter media shearing device includes a frame 1. A feed guide bar 2 is installed at the feed end of the frame 1. Above the feed guide bar 2, guide wheels 3, 4, and 5 for positioning and guiding the filter media are installed in sequence. Between guide wheels 4 and 5, a pressure roller mechanism for spreading and flattening the filter media is installed. The pressure roller mechanism includes an upper pressure roller 6 and a support roller 7. The upper pressure roller 6 is vertically installed above the feed guide bar 2 via a push rod motor 8, and the support roller 7 is installed below the feed guide bar 2. At the position corresponding to the upper pressure roller 6, the feed guide 2 has an opening for the support roller 7 to rotate. A middle guide 9 is installed horizontally behind the feed guide 2. The middle guide 9 and the feed guide 2 form a shearing zone. A cutting mechanism for cutting the filter material is installed in the shearing zone. A clamping component 11 is installed above the middle guide 9 via a push rod motor 10. A conveyor belt 12 for filter material discharge is set behind the middle guide 9. An auxiliary wheel 13 for auxiliary discharge of filter material is installed above the feed end of the conveyor belt 12.
[0021] In this invention, the width of the upper pressure roller 6 and the support roller 7 is greater than the width of the filter material of the largest size to be cut, ensuring a flattening effect.
[0022] In this invention, the support wheel 7 protrudes from the feed guide bar 2 through an opening, thereby increasing the flattening effect.
[0023] In a specific embodiment, a rubber layer needs to be installed on the contact surface between the clamping member 11 and the filter material to increase friction while avoiding damage to the filter material.
[0024] In this utility model, the conveyor belt 12 is connected to the frame 1, which has an existing drive motor structure installed inside.
[0025] In this invention, the auxiliary wheel 13 rotates in conjunction with the conveyor wheel of the conveyor belt 12 through the existing pulley linkage structure, thereby achieving synchronized rotation speed and ensuring conveying effect.
[0026] The cutting mechanism includes a push rod motor 14, which is horizontally mounted on the frame 1. The rod of the push rod motor 14 is connected to a mounting part 15. A rotary motor is horizontally mounted inside the mounting part 15. The axis of the rotary motor is perpendicular to the direction of movement of the push rod motor. A cutter 16 is mounted on the output shaft of the rotary motor. A cutting opening 17 for the cutter 16 to extend is provided on the frame 1.
[0027] The cutting blade 16 of this utility model adopts the existing circular cutting blade 16 for cutting fabric, and is installed on the output shaft of the rotary motor with a quick-release structure, which facilitates subsequent replacement.
[0028] Auxiliary mechanisms for assisting in the pressing of filter media are installed on guide wheels 3, 4, and 5. The auxiliary mechanisms include a T-shaped base 18, a U-shaped groove 19, and an auxiliary spring 20. The T-shaped base 18 is mounted on the frame 1. The U-shaped groove 19 is clamped on the protrusion of the T-shaped base 18. The auxiliary spring 20 connects the T-shaped base 18 and the U-shaped groove 19. Guide wheels 3, 4, and 5 are all rotatably mounted on the bottom of the U-shaped groove 19.
[0029] In this invention, the auxiliary spring 20 provides tension when the U-shaped slot 19 falls and provides cushioning when the U-shaped slot 19 moves upward.
[0030] A guide groove 21 is provided above the mounting component 15, and a guide component corresponding to the guide groove 21 is provided inside the frame 1.
[0031] In a specific embodiment, the guide and guide groove 21 are specifically a slider groove structure, which plays a limiting role and can be set on other surfaces of the mounting component 15 according to the installation situation of each part inside the frame 1.
[0032] The feed end of the feed guide bar 2 is set to be a downwardly inclined arc.
[0033] The working principle of this utility model is as follows: The filter material is introduced through the feed guide bar 2 and conveyed backward under the action of guide wheel 1 3 and guide wheel 2 4. After passing through guide wheel 2 4, the upper pressure roller 6 is controlled by push rod motor 1 8 to apply pressure and cooperate with support roller 7 to flatten and spread the filter material, which facilitates subsequent cutting. Then it is conveyed backward through guide wheel 3 5, and after passing through the middle guide bar 9, it enters the conveyor belt 12. During this process, the auxiliary wheel 13 assists in the discharge. When the filter material output from the conveyor belt 12 reaches the specified length, all mechanisms stop rotating. Push rod motor 1 8 increases the pressure of the upper pressure roller, and push rod motor 2 10 pushes out the clamping part 11 to fix the filter material. Then the cutting mechanism is started to cut the filter material. After cutting, all mechanisms continue to repeat the above process.
[0034] In this invention, the various mechanisms are connected and driven using existing technologies, and synchronous control is achieved through a control panel.
[0035] All of the above components are general standard parts or components known to those skilled in the art. Their structure and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods.
[0036] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.
Claims
1. A filter material cutting device comprising a frame (1), characterized in that, The feed end of the frame (1) is equipped with a feed guide (2). Above the feed guide (2) are sequentially installed a guide wheel 1 (3), a guide wheel 2 (4), and a guide wheel 3 (5) for positioning and guiding the filter material. Between the guide wheel 2 (4) and the guide wheel 3 (5) is a set of pressure roller mechanism for spreading and flattening the filter material. The pressure roller mechanism includes an upper pressure roller (6) and a support roller (7). The upper pressure roller (6) is vertically installed above the feed guide (2) via a push rod motor 1 (8). The support roller (7) is installed below the feed guide (2) and next to the upper pressure roller (6). At the corresponding position, the feed guide (2) has an opening for the support wheel (7) to rotate. A middle guide (9) is installed horizontally behind the feed guide (2). The middle guide (9) and the feed guide (2) are in a shearing zone. A cutting mechanism for cutting the filter material is installed in the shearing zone. A clamping part (11) is installed above the middle guide (9) via a push rod motor (10). A conveyor belt (12) for filter material discharge is set behind the middle guide (9). An auxiliary wheel (13) for auxiliary discharge of filter material is installed above the feed end of the conveyor belt (12).
2. A filter material shearing device according to claim 1, wherein The cutting mechanism includes a push rod motor three (14), which is horizontally mounted on the frame (1). The rod of the push rod motor three (14) is connected to a mounting part (15). A rotary motor is horizontally mounted inside the mounting part (15). The axis of the rotary motor is perpendicular to the direction of movement of the push rod motor. A cutter (16) is mounted on the output shaft of the rotary motor. A cutting opening (17) for the cutter (16) to extend is provided on the frame (1).
3. The filter material shearing device of claim 1, wherein, The guide wheel 1 (3), guide wheel 2 (4) and guide wheel 3 (5) are all equipped with auxiliary mechanisms for assisting in the pressing of the filter material. The auxiliary mechanism includes a T-shaped base (18), a U-shaped slot (19) and an auxiliary spring (20). The T-shaped base (18) is mounted on the frame (1). The U-shaped slot (19) is clamped on the protrusion of the T-shaped base (18). An auxiliary spring (20) is connected between the T-shaped base (18) and the U-shaped slot (19). The guide wheel 1 (3), guide wheel 2 (4) and guide wheel 3 (5) are all rotatably mounted on the bottom of the U-shaped slot (19).
4. The filter material cutting device according to claim 2, wherein The mounting component (15) has a guide groove (21) on its upper part, and a guide component corresponding to the guide groove (21) is provided inside the frame (1).
5. The material filtering and cutting device according to claim 1, wherein, The feed end of the feed guide (2) is set to be a downwardly inclined arc.