Paper slitting equipment for paper mill
By introducing a slitting mechanism consisting of a support roller, a limit roller, and a slitting blade into the paper slitting equipment, and equipping it with a waste removal mechanism, the problems of dust and waste materials are solved, achieving higher cutting accuracy and efficiency.
Patent Information
- Application Number
- CN202423044991.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing paper slitting equipment easily generates dust and waste during the cutting process, affecting cutting accuracy and efficiency.
A slitting mechanism including a support roller, a limiting roller, and a slitting blade was designed. Combined with a cleaning mechanism, the position of the slitting blade is adjusted by a scale plate. The rotation of the support roller and the limiting roller drives the slitting blade to cut the paper. Dust and debris are sucked up by a suction box and a filter cylinder to prevent the spread of impurities.
It improves the precision and efficiency of paper cutting, reduces dust and waste generation, and increases paper yield and production efficiency.
Smart Images

Figure CN223545356U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a slitting device, specifically a paper slitting device for a paper mill, and belongs to the field of paper slitting technology. Background Technology
[0002] A paper slitting machine is a paper processing device that cuts wide rolls of paper into rolls of varying widths and diameters. It cuts raw materials into several independent units. Its working principle is to fix the raw materials on the feeding shaft. One end of the feeding shaft is equipped with a magnetic powder tension controller to keep the tension of the raw materials constant. The raw materials are then pulled by a pair of rubber rollers and cut into several strips by blades.
[0003] The utility model patent CN216422692U relates to the field of paper slitting technology, specifically a paper slitting device. It includes a work frame, a fixed sleeve fixedly connected to the top of the work frame, a movable sleeve movably connected to one side of the fixed sleeve, an installation rod rotatably connected to the inner wall of the movable sleeve, and a cutting mechanism provided on the outer surface of the installation rod. The advantage of this utility model is that by setting up the fixed sleeve, movable sleeve, and clamping mechanism, it facilitates the disassembly and replacement of the cutting blade by the operator, thereby effectively increasing the convenience of using the device.
[0004] In paper production, slitting equipment is used to cut paper of various specifications according to requirements. Although the slitting equipment in the aforementioned patent is convenient for maintaining the cutting blade, it generates a large amount of dust and scraps when cutting paper. The dust adheres to the surface of the cutting blade, affecting the cutting accuracy and efficiency. To address this issue, we provide a paper slitting equipment for paper mills. Utility Model Content
[0005] (a) Technical problems to be solved
[0006] The purpose of this invention is to provide a paper slitting device for paper mills to solve the above-mentioned problems, thereby addressing the issue of dust and waste generated during the cutting process as described in the prior art.
[0007] (II) Technical Solution
[0008] This utility model is achieved through the following technical solution: a paper slitting device for a paper mill.
[0009] The device includes a mounting frame, a slitting mechanism in the middle of the mounting frame, a support roller, a limiting roller and a slitting blade, the support roller being rotatably connected to the mounting frame, a scale plate being fixedly connected to the surface of the limiting roller, and a cleaning mechanism in the middle of the mounting frame, the cleaning mechanism including a suction box fixedly connected to the mounting frame, and a filter cylinder being fixedly connected to the bottom of the suction box.
[0010] Preferably, a transmission guide roller is rotatably connected to the top of the mounting frame, and a take-up roller is rotatably connected to the bottom of the mounting frame. The transmission guide roller supports and positions the conveyed paper, preventing the paper from swinging randomly.
[0011] Preferably, a power gear is fixedly connected to one end of the support roller, a fixed frame is fixedly connected to the surface of the mounting frame, and an electric motor for controlling the rotation of the power gear is fixedly connected to the middle of the fixed frame. The power gear is controlled to rotate by the electric motor, thereby driving the support roller to rotate.
[0012] Preferably, one end of the limiting roller is rotatably connected to the fixed frame, and a driven gear is fixedly connected to one end of the limiting roller. The driven gear meshes with the power gear, and the rotation of the driven gear is controlled by the power gear, thereby driving the limiting roller to rotate.
[0013] Preferably, the mounting bracket has a mounting seat for a limiting roller fixedly connected to its surface, and a sliding sleeve is slidably connected to the surface of the limiting roller. The slitting blade is fixedly connected to the sliding sleeve, thereby fixing the slitting blade and improving the stability of the slitting blade in cutting paper.
[0014] Preferably, a fixed half-ring is fixedly connected to the surface of the sliding sleeve, and a movable half-ring is hinged to the bottom end of the fixed half-ring. A limiting pad is fixedly connected inside the movable half-ring, and the limiting pad is engaged with the scale plate. The movable half-ring is fixed by the fixed half-ring, and the movable half-ring is limited by the tight contact between the limiting pad and the scale plate, thereby limiting the sliding sleeve.
[0015] Preferably, a limiting ring is fixedly connected to the top of the suction box, and a sealing plate is rotatably connected to the top of the limiting ring. An electric fan is fixedly connected to the bottom of the filter cylinder. The suction box is sealed by the sealing plate to prevent impurities inside the suction box from escaping when the electric fan is not running.
[0016] This utility model provides a paper slitting device for a paper mill, which has the following beneficial effects:
[0017] This paper mill's paper slitting equipment uses a scale plate to precisely adjust the position of the slitting blade, improving the accuracy of paper cutting. The rotation of the support roller controls the rotation of the limit roller, which in turn drives the slitting blade to slit the paper, reducing the difficulty of paper cutting and improving the efficiency of paper cutting. The suction box picks up paper fragments and dust, and the filter cylinder filters impurities to prevent them from spreading into the external environment, thus improving the yield of paper cuts.
[0018] This paper mill's paper slitting equipment uses guide rollers to support and position the conveyed paper, preventing it from swinging randomly and improving the stability of paper transport. Rewind rollers rewind the slitting paper, increasing production efficiency. A mounting frame secures and supports the motor, which in turn controls the rotation of the power gear, driving the support roller. The mounting frame also secures one end of the limit roller, which in turn controls the rotation of the driven gear, further driving the limit roller. Finally, a mounting base secures the other end of the limit roller, improving its operational stability.
[0019] This paper slitting equipment for a paper mill uses a sliding sleeve to fix the slitting blade, thereby improving the stability of the slitting blade when cutting paper. A fixed half-ring fixes the movable half-ring, and a limiting pad, in close contact with the scale plate, limits the movable half-ring, which in turn limits the sliding sleeve, improving the stability of the slitting blade. An electric fan creates negative pressure in the suction box, thereby sucking up the cut dust and debris. A limiting ring fixes the sealing plate, which in turn seals the suction box, preventing impurities from escaping when the electric fan is not running, thus improving the efficiency of the suction box in removing impurities. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0021] Figure 2 This is a cross-sectional view of the impurity removal mechanism of this utility model;
[0022] Figure 3 This is a schematic diagram of the slitting blade structure of this utility model;
[0023] Figure 4 This utility model Figure 1 Enlarged view of the structure of part A.
[0024] [Explanation of Key Component Symbols]
[0025] 1. Mounting frame; 2. Conveyor guide roller; 3. Take-up roller;
[0026] 4. Slitting mechanism; 401. Support roller; 402. Drive gear; 403. Fixing frame; 404. Motor; 405. Limiting roller; 406. Driven gear; 407. Scale plate; 408. Mounting base; 409. Sliding sleeve; 410. Sliding blade; 411. Fixed half ring; 412. Movable half ring; 413. Limiting pad;
[0027] 5. Impurity removal mechanism; 501. Suction box; 502. Limiting ring; 503. Sealing plate; 504. Electric fan; 505. Filter cartridge. Detailed Implementation
[0028] This utility model provides a paper slitting device for a paper mill.
[0029] Please see Figure 1 The system includes a mounting frame 1, with a conveying guide roller 2 rotatably connected to the top of the mounting frame 1 and a take-up roller 3 rotatably connected to the bottom of the mounting frame 1. The conveying guide roller 2 supports and positions the conveyed paper, preventing the paper from swinging randomly and improving the stability of paper conveying. The take-up roller 3 rewinds the slit paper, improving paper production efficiency.
[0030] Please see Figure 3 and Figure 4 A slitting mechanism 4 is provided in the middle of the mounting frame 1. The slitting mechanism 4 includes a support roller 401, a limiting roller 405, and a slitting blade 410. The support roller 401 is rotatably connected to the mounting frame 1. A scale plate 407 is fixedly connected to the surface of the limiting roller 405. The position of the slitting blade 410 is precisely adjusted by the scale plate 407 to improve the accuracy of paper cutting. The rotation of the support roller 401 controls the rotation of the limiting roller 405, which in turn drives the slitting blade 410 to rotate and slitting the paper.
[0031] One end of the support roller 401 is fixedly connected to a power gear 402. A fixed frame 403 is fixedly connected to the surface of the mounting frame 1. A motor 404 that controls the rotation of the power gear 402 is fixedly connected to the middle of the fixed frame 403. The motor 404 is fixed and supported by the fixed frame 403. The motor 404 controls the rotation of the power gear 402, thereby driving the support roller 401 to rotate.
[0032] One end of the limiting roller 405 is rotatably connected to the fixed frame 403. A driven gear 406 is fixedly connected to one end of the limiting roller 405, and the driven gear 406 meshes with the power gear 402. The fixed frame 403 fixes one end of the limiting roller 405, and the power gear 402 controls the driven gear 406 to rotate, thereby driving the limiting roller 405 to rotate.
[0033] Please refer to it again. Figure 1 , Figure 3 and Figure 4 The mounting bracket 1 has a mounting seat 408 for a limiting roller 405 fixedly connected to its surface. A sliding sleeve 409 is slidably connected to the surface of the limiting roller 405, and the slitting blade 410 is fixedly connected to the sliding sleeve 409. The mounting seat 408 fixes the other end of the limiting roller 405, improving the stability of the limiting roller 405's operation. The sliding sleeve 409 fixes the slitting blade 410, thereby improving the stability of the slitting blade 410 in cutting paper.
[0034] A fixed half-ring 411 is fixedly connected to the surface of the sliding sleeve 409. A movable half-ring 412 is hinged to the bottom end of the fixed half-ring 411. A limiting pad 413 is fixedly connected inside the movable half-ring 412, and the limiting pad 413 is engaged with the scale plate 407. The top ends of the fixed half-ring 411 and the movable half-ring 412 are fixed together by bolts. The fixed half-ring 411 fixes the movable half-ring 412. The limiting pad 413 is in close contact with the scale plate 407, limiting the movable half-ring 412, thereby limiting the sliding sleeve 409 and improving the stability of the slitting blade 410.
[0035] Please see Figure 2 The mounting frame 1 is provided with a cleaning mechanism 5 in the middle. The cleaning mechanism 5 includes a suction box 501 fixedly connected to the mounting frame 1. A filter cylinder 505 is fixedly connected to the bottom of the suction box 501. Paper fragments and dust are sucked up through the suction box 501 and impurities are filtered through the filter cylinder 505 to prevent impurities from spreading to the external environment and improve the yield of paper cutting.
[0036] The top of the suction box 501 is fixedly connected to a limiting ring 502, and the top of the limiting ring 502 is rotatably connected to a sealing plate 503. The bottom of the filter cartridge 505 is fixedly connected to an electric fan 504. The electric fan 504 creates a negative pressure in the suction box 501, thereby sucking up the cut dust and fragments. The limiting ring 502 fixes the sealing plate 503, and the sealing plate 503 seals the suction box 501, preventing impurities from being discharged from the suction box 501 when the electric fan 504 is not running, thus improving the efficiency of the suction box 501 in sucking up impurities.
[0037] Both the electric motor 404 and the electric fan 504 are existing technologies, and this application will not go into detail about their specific parameters and models.
[0038] In use, the slitting blade 410 is adjusted to a suitable position via the scale plate 407, paper is conveyed via the transmission guide roller 2, the power gear 402 is rotated via the motor 404, which in turn drives the support roller 401 to rotate. At the same time, the power gear 402 controls the driven gear 406 to rotate, which drives the limit roller 405 to drive the slitting blade 410 to rotate, thereby slitting the paper and improving the paper slitting efficiency. The electric fan 504 is started to create a negative pressure in the suction box 501, which sucks up the dust and impurities generated during cutting, preventing impurities from spreading into the external environment and improving the yield of paper cutting.
[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A paper slitting device for a paper mill, comprising a mounting frame (1), characterized in that: A slitting mechanism (4) is provided in the middle of the mounting frame (1). The slitting mechanism (4) includes a support roller (401), a limiting roller (405), and a slitting blade (410). The support roller (401) is rotatably connected to the mounting frame (1). A scale plate (407) is fixedly connected to the surface of the limiting roller (405). A cleaning mechanism (5) is provided in the middle of the mounting frame (1). The cleaning mechanism (5) includes a suction box (501) fixedly connected to the mounting frame (1). A filter cylinder (505) is fixedly connected to the bottom of the suction box (501).
2. The paper slitting equipment for a paper mill according to claim 1, characterized in that: The top of the mounting frame (1) is rotatably connected to a transmission guide roller (2), and the bottom of the mounting frame (1) is rotatably connected to a take-up roller (3).
3. The paper slitting equipment for a paper mill according to claim 1, characterized in that: One end of the support roller (401) is fixedly connected to a power gear (402), and a fixed frame (403) is fixedly connected to the surface of the mounting frame (1). A motor (404) for controlling the rotation of the power gear (402) is fixedly connected to the middle of the fixed frame (403).
4. The paper slitting equipment for a paper mill according to claim 3, characterized in that: One end of the limiting roller (405) is rotatably connected to the fixed frame (403), and a driven gear (406) is fixedly connected to one end of the limiting roller (405), and the driven gear (406) meshes with the power gear (402).
5. The paper slitting equipment for a paper mill according to claim 1, characterized in that: The mounting bracket (1) has a mounting seat (408) for a limiting roller (405) fixedly connected to its surface. The limiting roller (405) has a sliding sleeve (409) slidably connected to its surface, and the slitting blade (410) is fixedly connected to the sliding sleeve (409).
6. The paper slitting equipment for a paper mill according to claim 5, characterized in that: The surface of the sliding sleeve (409) is fixedly connected to a fixed half ring (411), and the bottom end of the fixed half ring (411) is hinged to a movable half ring (412). The interior of the movable half ring (412) is fixedly connected to a limiting pad (413), and the limiting pad (413) is engaged with the scale plate (407).
7. The paper slitting equipment for a paper mill according to claim 1, characterized in that: The top of the suction box (501) is fixedly connected to a limiting ring (502), the top of the limiting ring (502) is rotatably connected to a sealing plate (503), and the bottom of the filter cylinder (505) is fixedly connected to an electric fan (504).
Citation Information
Patent Citations
Slitting device of paper equipment
CN216422692U