Cutting device for circular filter paper of filter

By designing a circular filter paper cutting device for filters, the problems of low efficiency and unstable precision of manual cutting were solved, achieving efficient and precise filter paper cutting to meet the needs of large-scale production.

CN223918191UActive Publication Date: 2026-02-17HEFEI GELAN FILTER SYST CO LTD
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Patent Information

Application Number
CN202520455760.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-17
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

Manually cutting filter paper is inefficient and cannot meet the needs of large-scale production. Furthermore, the precision is greatly affected by human factors, resulting in large dimensional errors in the filter paper, which affects the sealing performance and filtration efficiency of the filter.

Method used

Design a circular filter paper cutting device for a filter, which adopts a nested structure of an outer cutting blade cylinder and an inner cutting blade cylinder. The inner cutting blade cylinder is slidably connected to the limit key through a limit groove. The drive motor drives the inner cutting blade cylinder to move vertically through a lead screw. The micro hydraulic cylinder drives the suspended blade disc to move vertically. The annular blade is cut by a threaded connection.

Benefits of technology

It achieves high efficiency and high precision in filter paper cutting, reduces dimensional errors, improves the regularity of filter paper and the stability of the cutting process, facilitates device maintenance and blade replacement, and adapts to different size cutting requirements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of filter manufacturing, in particular to a circular filter paper cutting device of a filter. Comprising a support, a placing plate is fixed above the support, and a supporting seat is fixed on the placing plate. An outer cutter cylinder is installed on one side of the supporting base, an inner cutter cylinder is slidably connected into the outer cutter cylinder, a front edge cylinder is fixed to the bottom of the inner cutter cylinder, and a suspended cutter disc is slidably installed in the front edge cylinder and is in threaded connection with the annular blade. A first sleeving cabin is arranged in the outer cutter cylinder, the bottom in the cabin is open and provided with a driving motor, an output shaft of the driving motor is connected with a lead screw to be in threaded connection with the inner cutter cylinder, and meanwhile the first sleeving cabin is provided with a limiting groove in sliding fit with a limiting key on the outer wall of the inner cutter cylinder. A second sleeving cabin is arranged in the inner cutter cylinder, and a micro hydraulic cylinder is fixed in the cabin and connected with a suspended cutter disc. A third sleeving cabin is arranged in the supporting seat, and the bottom of the supporting seat is open and communicated with the second sleeving cabin. The suspended cutter disc and the annular blade are in threaded fit connection through the bottom threaded hole and the top threaded head, and a rubber gasket is arranged at the bottom of the front edge cylinder.
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Description

TECHNICAL FIELD

[0001] The utility model relates to filter circular filter paper production field especially relates to a filter circular filter paper cutting device. BACKGROUND

[0002] In the filter circular filter paper production field, manual cutting is the main way. Workers hold cutting tools and cut filter paper by experience and skill. However, the efficiency of manual cutting is extremely low. A skilled worker can cut dozens of filter papers at most in a day. In the face of large-scale production demand, such as the requirement of thousands or even tens of thousands of outputs of automobile filter manufacturers every day, manual cutting cannot meet the demand. Moreover, the precision of manual cutting is greatly affected by human factors. There are differences in the operation method, strength and cutting speed of different workers. Even the same worker will cause operation deviation due to fatigue and other factors after a long time of work. This makes the size precision of the cut filter paper inconsistent, and the error range can reach several millimeters or even more. Such differences in precision will cause the filter paper to not match well with other components during filter assembly, affecting the sealing and filtering effect of the filter, resulting in a large number of defective products and increasing production cost. SUMMARY

[0003] In order to completely solve the problem of extremely low efficiency of manual cutting of filter paper, a skilled worker can cut dozens of filter papers at most in a day, which cannot meet the demand of large-scale production, and the precision is greatly affected by human factors, and the operation of different workers or the same worker has deviation after a long time of work, resulting in a size error of filter paper of several millimeters or even more, the utility model provides the following technical scheme:

[0004] A filter circular filter paper cutting device, characterized in that it comprises a support, a placing plate is fixedly installed above the support, a supporting seat is fixedly installed above the placing plate, an outer cutting knife cylinder is fixedly installed on one side of the supporting seat, an inner cutting knife cylinder is slidably and guideedly connected in the outer cutting knife cylinder, a front edge cylinder is fixedly installed at the bottom of the inner cutting knife cylinder, a suspended knife disc is arranged in the front edge cylinder, and the suspended knife disc is threadedly connected with an annular blade; a driving motor is arranged in the outer cutting knife cylinder, the driving motor drives the inner cutting knife cylinder to vertically move in the outer cutting knife cylinder, a micro hydraulic cylinder is arranged in the inner cutting knife cylinder, and the micro hydraulic cylinder drives the suspended knife disc to vertically move in the front edge cylinder.

[0005] Preferably, a first set of cabins is arranged in the outer cutting knife cylinder, an opening is arranged at the bottom of the first set of cabins, a driving motor is fixedly installed in the first set of cabins, an output shaft of the driving motor is fixedly connected with a lead screw, the lead screw is threadedly connected with the inner cutting knife cylinder; a limiting groove is arranged in the first set of cabins, a limiting key is arranged on the outer wall of the inner cutting knife cylinder, and the limiting key is slidably connected with the limiting groove.

[0006] Preferably, the limiting key and the limiting slot are rectangular in shape.

[0007] Preferably, the inner cutter barrel is internally provided with a second socket chamber, the support seat is internally provided with a third socket chamber, the third socket chamber is provided with an opening at the bottom, the third socket chamber is in communication with the second socket chamber, the second socket chamber is fixedly provided with a micro hydraulic cylinder at the top, and the telescopic rod of the micro hydraulic cylinder is fixedly connected with the suspended cutter disc.

[0008] Preferably, the bottom of the suspended cutter disc is provided with a threaded hole, the top of the annular blade is provided with a threaded head, and the threaded connection between the suspended cutter disc and the annular blade is achieved by the threaded cooperation of the threaded hole and the threaded head.

[0009] Preferably, the front edge barrel is provided with a rubber gasket at the bottom.

[0010] Preferably, the rubber gasket is arc-shaped, and a plurality of rubber gaskets are distributed in a circular manner around the suspended cutter disc.

[0011] The utility model has the advantages that:

[0012] 1. The limiting slot in the outer cutter barrel is slidably connected with the limiting key on the outer wall of the inner cutter barrel, which provides accurate guidance for the inner cutter barrel. When the inner cutter barrel slides up and down along the outer cutter barrel, the limiting structure ensures the accuracy of the movement track, so that the annular blade on the suspended cutter disc at the bottom of the inner cutter barrel can cut the filter paper at a stable and accurate position, ensuring that the cut filter paper is regular in shape and has a very small size error, thereby greatly improving the cutting precision of the filter paper of the filter.

[0013] 2. The first socket chamber in the outer cutter barrel is provided with a driving motor, and the lead screw connected with the output shaft of the driving motor is threadedly connected with the inner cutter barrel. The outer cutter barrel serves as a fixed support structure and can stably convert the rotary power of the driving motor into linear motion of the inner cutter barrel through the lead screw, so that the inner cutter barrel obtains stable and continuous power during the cutting process, ensuring the stability of the cutting process and avoiding cutting quality problems caused by unstable power.

[0014] 3. The design of the outer cutter barrel accommodating the inner cutter barrel makes the overall structure of the device compact. The first socket chamber in the outer cutter barrel accommodates the driving motor and other components, and cooperates with the inner cutter barrel and other components to reasonably arrange the functional components in a limited space, thereby reducing the floor area occupied by the device and facilitating the installation and use of the device in a production workshop or other site.

[0015] 4、The utility model discloses a nested structure is convenient for the maintenance and overhaul of device, when needing to check, maintain or replace the inner cutting cutter barrel, the suspended cutter disc, the annular blade and other components, can relatively easily take out the inner cutting cutter barrel from the outer cutting cutter barrel, convenient operation, shorten the maintenance time, improve the maintainability and operating efficiency of equipment.

[0016] 5、The utility model discloses a threaded connection mode is adopted to annular blade and suspended cutter disc, and this connection mode fully embodies the replaceability of annular blade, and, annular blade has multiple different size specifications, can satisfy the cutting demand of different size circle. DRAWINGS

[0017] Figure 1 It is a filter circular filter paper cutting device schematic view of the utility model.

[0018] Figure 2 It is a filter circular filter paper cutting device section view schematic view of the utility model.

[0019] Figure 3 It is a filter circular filter paper cutting device suspended cutter disc and annular blade connection relation schematic view of the utility model.

[0020] In the drawing: 1, support; 2, placing plate; 3, support seat; 4, outer cutting cutter barrel; 41, limiting groove; 42, first sleeve cabin; 5, inner cutting cutter barrel; 51, limiting key; 52, leading cylinder; 53, rubber pad; 54, second sleeve cabin; 55, third sleeve cabin; 6, suspended cutter disc; 61, threaded hole; 7, annular blade; 71, threaded head; 8, driving motor; 9, lead screw; 10, miniature hydraulic cylinder. SPECIFIC IMPLEMENTATION

[0021] A filter circular filter paper cutting device, characterized by including support 1, the support 1 top is fixedly installed with placing plate 2, the placing plate 2 top is fixedly installed with support seat 3, and the support seat 3 one side is fixedly installed with outer cutting cutter barrel 4, and the outer cutting cutter barrel 4 is slidably and guidedly connected with inner cutting cutter barrel 5 in it, and the inner cutting cutter barrel 5 bottom is fixedly installed with leading cylinder 52, and the leading cylinder 52 is provided with suspended cutter disc 6 in it, and the suspended cutter disc 6 is connected with annular blade 7 in threaded mode.

[0022] The outer cutting cutter barrel 4 is provided with first sleeve cabin 42 in it, and the first sleeve cabin 42 bottom is provided with opening, and the first sleeve cabin 42 is fixedly installed with driving motor 8 in it, and the output shaft of driving motor 8 is fixedly connected with lead screw 9, and the lead screw 9 is connected with inner cutting cutter barrel 5 in threaded mode;The first sleeve cabin 42 is provided with limiting groove 41 in it, and the outer wall of inner cutting cutter barrel 5 is provided with limiting key 51, and the limiting key 51 is slidably connected with limiting groove 41.The limiting key 51 and limiting groove 41 are all rectangular shape.

[0023] The second set of cabins 54 is arranged in the inner tangent cutter barrel 5, the third set of cabins 55 is arranged in the support seat 3, the bottom of the third set of cabins 55 is provided with an opening, the third set of cabins 55 is communicated with the second set of cabins 54, the top of the second set of cabins 54 is fixedly provided with a micro hydraulic cylinder 10, and the telescopic rod of the micro hydraulic cylinder 10 is fixedly connected with the hanging cutter disc 6.

[0024] The bottom of the hanging cutter disc 6 is provided with a threaded hole 61, the top of the annular blade 7 is provided with a threaded head 71, and the threaded connection of the hanging cutter disc 6 and the annular blade 7 is completed through the threaded cooperation of the threaded hole 61 and the threaded head 71. The bottom of the front edge barrel 52 is provided with a rubber pad 53. The rubber pad 53 is arc-shaped, and a plurality of rubber pads 53 are distributed in a circular manner with the hanging cutter disc 6 as the center.

[0025] The utility model discloses when cutting a filter circular filter paper, the filter paper to be cut is placed on the placing plate 2, the device is in the initial state, the inner tangent cutter barrel 5 is located at the proper position in the outer tangent cutter barrel 4, the hanging cutter disc 6 is in the front edge barrel 52, and the annular blade 7 has completed the connection through the threaded hole 61 of the hanging cutter disc 6 with the threaded head 71.

[0026] Subsequently, the driving motor 8 is started, and the output shaft of the driving motor 8 drives the screw rod 9 to rotate. Since the screw rod 9 is in threaded connection with the inner tangent cutter barrel 5, and the limiting key 51 on the outer wall of the inner tangent cutter barrel 5 is in sliding connection with the limiting groove 41 in the first set of cabins 42, this ensures that the inner tangent cutter barrel 5 will not rotate together with the screw rod 9, but will make a linear downward movement along the screw rod 9. With the descending of the inner tangent cutter barrel 5, the front edge barrel 52 also descends until the rubber pad 53 at the bottom of the front edge barrel 52 contacts the filter paper on the placing plate 2. The rubber pad 53 plays a buffering role when contacting the filter paper, avoids damaging the filter paper, and can better fix the filter paper to prevent it from sliding during the cutting process.

[0027] After the front edge barrel 52 is stabilized on the filter paper, the micro hydraulic cylinder 10 is started. The micro hydraulic cylinder 10 pushes the hanging cutter disc 6 to slide downward along the front edge barrel 52, so that the annular blade 7 in threaded connection with the hanging cutter disc 6 moves downward, thereby cutting the filter paper. Since the annular blade 7 is circular, it can cut out a circular filter paper. After cutting is completed, the micro hydraulic cylinder 10 is first controlled to retract, driving the hanging cutter disc 6 and the annular blade 7 to ascend back into the front edge barrel 52.

Claims

1. A filter round paper cutting device, characterized by, The utility model provides a cutting device, including support (1), the support (1) top fixed mounting has and places board (2), the places board (2) top fixed mounting has and support seat (3), support seat (3) one side fixed mounting has and outer cutting cutter cylinder (4), outer cutting cutter cylinder (4) inside slide guide connection has and inner cutting cutter cylinder (5), inner cutting cutter cylinder (5) bottom fixed mounting has and front along cylinder (52), front along cylinder (52) inside be provided with and suspend knife disc (6), suspend knife disc (6) with annular blade (7) threaded connection; The outer cutting cutter cylinder (4) is equipped with a drive motor (8), the drive motor (8) drives the vertical movement of the inner cutting cutter cylinder (5) in the outer cutting cutter cylinder (4), and the inner cutting cutter cylinder (5) is provided with a micro hydraulic cylinder (10), and the micro hydraulic cylinder (10) drives the vertical movement of the suspend knife disc (6) in the front along cylinder (52).

2. The filter round paper cutting device according to claim 1, wherein, The outer cutting cutter cylinder (4) is equipped with a first socket cabin (42), the first socket cabin (42) is provided with an opening in the bottom, the drive motor (8) is fixedly installed in the first socket cabin (42), the output shaft of the drive motor (8) is fixedly connected with a lead screw (9), and the lead screw (9) is in threaded connection with the inner cutting cutter cylinder (5); the first socket cabin (42) is equipped with a limiting groove (41), and the outer wall of the inner cutting cutter cylinder (5) is provided with a limiting key (51), and the limiting key (51) is in sliding connection with the limiting groove (41).

3. The filter round paper cutting device according to claim 2, wherein, The limiting key (51) and the limiting groove (41) are both rectangular in shape.

4. The filter round paper cutting device according to claim 1, wherein, The inner cutting cutter cylinder (5) is equipped with a second socket cabin (54), the support seat (3) is equipped with a third socket cabin (55), the third socket cabin (55) is provided with an opening in the bottom, the third socket cabin (55) is communicated with the second socket cabin (54), the micro hydraulic cylinder (10) is fixedly installed at the top of the second socket cabin (54), and the telescopic rod of the micro hydraulic cylinder (10) is fixedly connected with the suspend knife disc (6).

5. The filter round paper cutting device according to claim 1, wherein, The bottom of the suspend knife disc (6) is provided with a threaded hole (61), the top of the annular blade (7) is provided with a threaded head (71), and the threaded connection between the suspend knife disc (6) and the annular blade (7) is completed through the threaded cooperation of the threaded hole (61) and the threaded head (71).

6. The filter round paper cutting device according to claim 1, wherein, The bottom of the front along cylinder (52) is provided with a rubber gasket (53).

7. The filter round paper cutting device according to claim 6, wherein, The rubber gasket (53) is arc-shaped, and a plurality of rubber gaskets (53) are distributed in a circular manner around the suspend knife disc (6).