Fixing structure for cutter brush transmission
By designing a fixed structure including a mounting frame, cutting mechanism, cleaning mechanism and fixing mechanism, the movable groove and spring mechanism are used to reduce the wear of the knife brush, and the automatic replacement of the knife brush is achieved through the electromagnet, the wear of the knife brush in the prior art is solved. and the problem of low replacement efficiency improves the efficiency of cutting cutting and brush service life.
Patent Information
- Application Number
- CN202421158519.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The existing cutting blade brush fixing structure is affected by friction and wear during use, which shortens the service life.
A fixed structure including a mounting frame, cutting mechanism, cleaning mechanism and fixing mechanism is designed to separate the blade from the cutter through a movable groove and a spring mechanism, reduce friction, and realize automatic replacement of the blade through an electromagnet and a return spring. .
It effectively reduces the wear of the blade brush, improves cleaning efficiency, and promptly notifies the need to replace the blade brush, extending the service life of the blade brush.
Smart Images
Figure CN222290350U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cutter cleaning, and more specifically to a fixing structure for cutting knife brush transmission. Background Art
[0002] In the paper production process, a paper cutter is needed to cut paper. The cutter is an important device in the paper cutter. When the cutter cuts paper, debris will be generated. As the debris is used, it adheres to the surface of the cutter. In order to prevent the debris from affecting the use of the cutter, a knife brush is needed to clean the cutter.
[0003] Deficiencies of existing technology: Existing cutter brushes are mostly fixed by bolts during use. As the brushes and cutters rub against each other, they wear out, affecting the cleaning effect. At the same time, the brushes are mostly fixed mechanisms and are always in contact with the cutters, which increases wear and shortens their service life. Utility Model Content
[0004] In order to overcome the above defects of the prior art, the utility model provides a fixing structure for the transmission of a cutter brush to solve the problems existing in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixed structure for cutting knife brush transmission, comprising a mounting frame, and also comprising: a cutting mechanism, a cleaning mechanism and a fixing mechanism, the bottom end of the mounting frame is movably connected to the top end of the cutting mechanism, the top end of the cleaning mechanism is movably connected to the side of the cutting mechanism, the side inner wall of the cleaning mechanism is movably connected to the side of the fixing mechanism, the cutting mechanism comprises a mounting shaft, the top end of the mounting shaft is movably sleeved with the bottom end of the mounting frame, the side of the mounting shaft is fixedly connected to a flywheel, the side of the flywheel is movably connected to a transmission rod through a pin, the side of the mounting shaft is fixedly sleeved with a driven gear, the top end of the mounting frame is fixedly connected to a motor, the output of the motor The output shaft is fixedly connected with a driving gear, the top of the driven gear is meshed with the bottom end of the driving gear, the bottom end of the transmission rod is movably connected with a mounting plate through a pin, the bottom end of the mounting plate is fixedly connected with a cutter body, the bottom end of the mounting frame is fixedly connected with a limiting column, the side surface of the limiting column is movably sleeved with the side surface of the mounting plate, the cleaning mechanism comprises a base, the bottom end of the limiting column is fixedly connected with the top end of the base, a limiting groove is provided on the side surface of the base, a mounting rod is movably connected to the side surface of the limiting groove, a movable groove is provided on the side surface of the movable groove, a movable pin is movably connected to the side surface of the movable pin, a push rod is fixedly connected to the bottom end of the push rod and the bottom end of the mounting rod is fixedly connected.
[0006] Furthermore, the movable groove is composed of two semicircular ring grooves, and the two semicircular ring grooves have different diameters.
[0007] Furthermore, a first mounting groove is provided at the top of the mounting rod, a pressure spring is fixedly connected to the bottom end of the first mounting groove, the fixing mechanism includes a mounting seat, a second mounting groove is provided at the top of the mounting seat, a knife brush body is movably connected to the side of the second mounting groove, and the bottom end of the mounting seat is fixedly connected to the top end of the pressure spring.
[0008] Furthermore, a buffer spring is fixedly connected to the bottom end of the first mounting groove, and a touch switch is fixedly connected to the top end of the buffer spring.
[0009] Furthermore, a first mounting hole is provided on the side of the second mounting groove, a return spring is fixedly connected to the side of the second mounting groove, a fixing pin is fixedly connected to the side of the return spring, a fixing hole is provided on the side of the knife brush body, and the side of the fixing pin is movably connected to the side of the fixing hole.
[0010] Furthermore, a second mounting hole is opened on the side of the first mounting hole, an electromagnet is fixedly connected to the side of the second mounting hole, a connecting rod is fixedly connected to the side of the fixing pin, and a magnet is fixedly connected to the side of the connecting rod.
[0011] Technical effects and advantages of the utility model:
[0012] 1. The utility model is composed of two semicircular annular grooves of different diameters, so that the cutter body starts to move downward and the movable pin moves to the large diameter part of the movable groove, so that the push rod drives the installation rod to move away from the cutter body to separate the knife brush body from the cutter body, and when the cutter body moves upward, the movable pin moves into the small diameter semicircular annular groove of the movable groove to move the installation rod closer to the cutter body to enable the knife brush body to clean the surface of the cutter body, so that the knife brush body cleans the cutter body during the upward movement of the cutter body, and the cutter body is cleaned in stages, which is beneficial to reduce the wear of the knife brush body.
[0013] 2. The utility model generates magnetic force by energizing the electromagnet so that the electromagnet and the magnet attract each other, so that the connecting rod drives the fixing pin to move out of the fixing hole, separates the knife brush body and the mounting seat, takes out the knife brush body and inserts the bottom of the new knife brush body into the second mounting groove, and the reset spring pushes the fixing pin so that the fixing pin is inserted into the fixing hole to fix the knife brush body, which is convenient for replacing the knife brush body and is conducive to improving work efficiency.
[0014] 3. In the utility model, when the knife brush body is tightly attached to the side of the cutter body, the pressure spring contracts, so that the bottom end of the mounting seat contacts the top end of the touch switch, so that the touch switch sends a signal to the control terminal indicating that the knife brush body is sufficient. As the knife brush body is worn, the pressure spring pushes the mounting seat upward to separate the touch switch from the mounting seat. The touch switch sends information to the control terminal indicating that the knife brush body needs to be replaced, which is conducive to timely replacement of the knife brush body. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the flywheel structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the fixing mechanism structure of the utility model;
[0018] Figure 4 It is a schematic cross-sectional structure diagram of the fixing mechanism of the utility model;
[0019] Figure 5 For the utility model Figure 4 A is an enlarged schematic diagram of the structure.
[0020] The accompanying drawings are marked as follows: 1. mounting bracket; 2. cutting mechanism; 201. mounting shaft; 202. driving gear; 203. cutter body; 204. limiting column; 205. motor; 206. movable groove; 207. driven gear; 208. mounting plate; 209. flywheel; 210. transmission rod; 3. cleaning mechanism; 301. mounting rod; 302. base; 303. movable pin; 304. push rod; 305. limiting groove; 306. first mounting groove; 307. pressure spring; 308. touch switch; 309. buffer spring; 4. fixing mechanism; 401. mounting seat; 402. knife brush body; 403. fixing pin; 404. second mounting groove; 405. fixing hole; 406. first mounting hole; 407. electromagnet; 408. second mounting hole; 409. magnet; 410. connecting rod; 411. reset spring. DETAILED DESCRIPTION
[0021] Reference Figures 1 to 5The utility model provides a fixed structure for cutting knife and brush transmission, including a mounting frame 1, and also including: a cutting mechanism 2, a cleaning mechanism 3 and a fixing mechanism 4, the bottom end of the mounting frame 1 is movably connected to the top end of the cutting mechanism 2, the top end of the cleaning mechanism 3 is movably connected to the side of the cutting mechanism 2, the side inner wall of the cleaning mechanism 3 is movably connected to the side of the fixing mechanism 4, the cutting mechanism 2 includes a mounting shaft 201, the top end of the mounting shaft 201 is movably sleeved with the bottom end of the mounting frame 1, the side of the mounting shaft 201 is fixedly connected with a flywheel 209, the side of the flywheel 209 is movably connected with a transmission rod 210 through a pin, and the side of the mounting shaft 201 is fixedly sleeved with a driven gear 20 7. The top of the mounting frame 1 is fixedly connected with a motor 205, the output shaft of the motor 205 is fixedly connected with a driving gear 202, the top of the driven gear 207 is meshed with the bottom of the driving gear 202, the bottom of the transmission rod 210 is movably connected with a mounting plate 208 through a pin, the bottom of the mounting plate 208 is fixedly connected with a cutter body 203, the bottom of the mounting frame 1 is fixedly connected with a limiting column 204, the side of the limiting column 204 is movably connected with the side of the mounting plate 208, the cleaning mechanism 3 includes a base 302, the bottom end of the limiting column 204 is fixedly connected with the top of the base 302, the side of the base 302 is provided with a limiting groove 305, and the side of the limiting groove 305 A mounting rod 301 is movably connected, a movable groove 206 is provided on the side of the flywheel 209, a movable pin 303 is movably connected to the side of the movable groove 206, a push rod 304 is fixedly connected to the side of the movable pin 303, and the bottom end of the push rod 304 is fixedly connected to the bottom end of the mounting rod 301, the motor 205 drives the driving gear 202 to rotate, and the driving gear 202 and the driven gear 207 are meshed with each other to drive the mounting shaft 201 to rotate, thereby driving the flywheel 209 to rotate, so that the top end of the transmission rod 210 rotates along the pin on the side of the flywheel 209, and the bottom end of the transmission rod 210 rotates along the pin on the top of the mounting plate 208, pushing the mounting plate 208 to continuously move along the limit column 204. The reciprocating motion causes the cutter body 203 to cut the paper. At the same time, when the flywheel 209 rotates, the movable pin 303 slides along the movable groove 206, which is composed of two semicircular ring grooves of different diameters, so that the cutter body 203 starts to move downward. The movable pin 303 moves to the large diameter part of the movable groove 206, so that the push rod 304 drives the mounting rod 301 to move away from the cutter body 203 to separate the fixing mechanism 4 from the cutter body 203. When the cutter body 203 moves upward, the movable pin 303 moves into the small diameter semicircular ring groove of the movable groove 206 to move the mounting rod 301 toward the cutter body 203 so that the fixing mechanism 4 cleans the surface of the cutter body 203.
[0022] The movable groove 206 is composed of two semicircular ring grooves, and the two semicircular ring grooves have different diameters.
[0023] Among them, a first mounting groove 306 is opened at the top of the mounting rod 301, and a pressure spring 307 is fixedly connected to the bottom end of the first mounting groove 306. The fixing mechanism 4 includes a mounting seat 401, and a second mounting groove 404 is opened at the top of the mounting seat 401. The side of the second mounting groove 404 is movably connected with a knife brush body 402. The bottom end of the mounting seat 401 is fixedly connected to the top end of the pressure spring 307. When the mounting rod 301 is close to the cutter body 203, the pressure spring 307 pushes the mounting seat 401 so that the knife brush body 402 is always on the side of the cutter body 203.
[0024] Among them, a buffer spring 309 is fixedly connected to the bottom end of the first mounting groove 306, and a touch switch 308 is fixedly connected to the top end of the buffer spring 309. When the knife brush body 402 is tightly attached to the side of the cutter body 203, the pressure spring 307 contracts, so that the bottom end of the mounting seat 401 contacts the top end of the touch switch 308, so that the touch switch 308 sends a signal to the control terminal indicating that the knife brush body 402 is sufficient. As the knife brush body 402 is worn, the pressure spring 307 pushes the mounting seat 401 upward to separate the touch switch 308 from the mounting seat 401, and the touch switch 308 sends information to the control terminal indicating that the knife brush body 402 needs to be replaced.
[0025] Among them, a first mounting hole 406 is opened on the side of the second mounting groove 404, a return spring 411 is fixedly connected to the side of the second mounting groove 404, a fixing pin 403 is fixedly connected to the side of the return spring 411, a fixing hole 405 is opened on the side of the knife brush body 402, and the side of the fixing pin 403 is movably connected to the side of the fixing hole 405. When installing the knife brush body 402, the bottom of the knife brush body 402 is inserted into the second mounting groove 404, and the return spring 411 pushes the fixing pin 403 so that the fixing pin 403 is inserted into the fixing hole 405 to fix the knife brush body 402.
[0026] Among them, a second mounting hole 408 is opened on the side of the first mounting hole 406, an electromagnet 407 is fixedly connected to the side of the second mounting hole 408, a connecting rod 410 is fixedly connected to the side of the fixing pin 403, and a magnet 409 is fixedly connected to the side of the connecting rod 410. When the knife brush body 402 needs to be replaced, the electromagnet 407 is energized to generate magnetic force so that the electromagnet 407 and the magnet 409 attract each other, so that the connecting rod 410 drives the fixing pin 403 to move out of the fixing hole 405, separating the knife brush body 402 and the mounting base 401.
[0027] The working principle of the utility model is as follows: the motor 205 drives the driving gear 202 to rotate, and the driving gear 202 and the driven gear 207 are meshed with each other to drive the mounting shaft 201 to rotate, thereby driving the flywheel 209 to rotate, so that the top end of the transmission rod 210 rotates along the pin on the side of the flywheel 209, and the bottom end of the transmission rod 210 rotates along the pin on the top of the mounting plate 208, pushing the mounting plate 208 to continuously reciprocate along the limiting column 204, so that the cutter body 203 cuts the paper, and at the same time, when the flywheel 209 rotates, the movable pin 303 slides along the movable groove 206, and the two The cutter body 203 is composed of semicircular annular grooves of different diameters, so that the movable pin 303 moves to the large diameter part of the movable groove 206, so that the push rod 304 drives the installation rod 301 to move away from the cutter body 203, so that the brush body 402 is separated from the cutter body 203. When the cutter body 203 moves upward, the movable pin 303 moves into the small diameter semicircular annular groove of the movable groove 206, so that the installation rod 301 moves toward the cutter body 203, so that the brush body 402 cleans the surface of the cutter body 203, and the cutter body 203 moves upward. During the movement, the knife brush body 402 cleans the cutter body 203. During the cleaning, the pressure spring 307 pushes the mounting seat 401 so that the knife brush body 402 is always on the side of the cutter body 203. At the same time, the pressure spring 307 contracts to make the bottom end of the mounting seat 401 contact with the top of the touch switch 308, so that the touch switch 308 sends a signal to the control terminal to indicate that the knife brush body 402 is sufficient. As the knife brush body 402 is worn, the pressure spring 307 pushes the mounting seat 401 upward to separate the touch switch 308 from the mounting seat 401, and the touch switch 308 sends a signal to the control terminal to indicate that the knife brush body 402 is sufficient. The control switch 308 sends information to the control terminal indicating that the knife brush body 402 needs to be replaced. During replacement, the electromagnet 407 is energized to generate magnetic force so that the electromagnet 407 and the magnet 409 attract each other, so that the connecting rod 410 drives the fixing pin 403 to move out of the fixing hole 405, separate the knife brush body 402 and the mounting seat 401, take out the knife brush body 402 and insert the bottom of the new knife brush body 402 into the second mounting groove 404, and the reset spring 411 pushes the fixing pin 403 so that the fixing pin 403 is inserted into the fixing hole 405 to fix the knife brush body 402.
Claims
1. A fixing structure for a cutter brush transmission, comprising a mounting frame (1), characterized in that: Also includes: The invention relates to a cutting mechanism (2), a cleaning mechanism (3) and a fixing mechanism (4), wherein the bottom end of the mounting frame (1) is movably connected to the top end of the cutting mechanism (2), the top end of the cleaning mechanism (3) is movably connected to the side of the cutting mechanism (2), the side inner wall of the cleaning mechanism (3) is movably connected to the side of the fixing mechanism (4), the cutting mechanism (2) comprises a mounting shaft (201), the top end of the mounting shaft (201) is movably sleeved with the bottom end of the mounting frame (1), the side of the mounting shaft (201) is fixedly connected with a flywheel (209), the side of the flywheel (209) is movably connected with a transmission rod (210) through a pin, the side of the mounting shaft (201) is fixedly sleeved with a driven gear (207), the top end of the mounting frame (1) is fixedly connected with a motor (205), the output shaft of the motor (205) is fixedly connected with a driving gear (202), the top end of the driven gear (207) and the bottom end of the driving gear (202) are mutually engaged. The bottom end of the transmission rod (210) is movably connected to a mounting plate (208) through a pin, the bottom end of the mounting plate (208) is fixedly connected to a cutter body (203), the bottom end of the mounting frame (1) is fixedly connected to a limiting column (204), the side of the limiting column (204) is movably sleeved with the side of the mounting plate (208), and the cleaning mechanism (3) comprises a base (302), the bottom end of the limiting column (204) is fixedly sleeved with the top end of the base (302) A limit groove (305) is provided on the side of the base (302), and the side of the limit groove (305) is movably connected to a mounting rod (301). A movable groove (206) is provided on the side of the flywheel (209), and the side of the movable groove (206) is movably connected to a movable pin (303). A push rod (304) is fixedly connected to the side of the movable pin (303), and the bottom end of the push rod (304) is fixedly connected to the bottom end of the mounting rod (301).
2. A fixing structure for cutting blade and brush transmission according to claim 1, characterized in that: The movable groove (206) is composed of two semicircular ring grooves, and the two semicircular ring grooves have different diameters.
3. A fixing structure for cutting blade and brush transmission according to claim 2, characterized in that: The top end of the mounting rod (301) is provided with a first mounting groove (306), the bottom end of the first mounting groove (306) is fixedly connected to a pressure spring (307), the fixing mechanism (4) comprises a mounting seat (401), the top end of the mounting seat (401) is provided with a second mounting groove (404), the side of the second mounting groove (404) is movably connected to a knife brush body (402), and the bottom end of the mounting seat (401) is fixedly connected to the top end of the pressure spring (307).
4. A fixing structure for cutting blade and brush transmission according to claim 3, characterized in that: A buffer spring (309) is fixedly connected to the bottom end of the first mounting groove (306), and a touch switch (308) is fixedly connected to the top end of the buffer spring (309).
5. A fixing structure for cutting blade and brush transmission according to claim 3, characterized in that: A first mounting hole (406) is provided on the side of the second mounting groove (404), a return spring (411) is fixedly connected to the side of the second mounting groove (404), a fixing pin (403) is fixedly connected to the side of the return spring (411), a fixing hole (405) is provided on the side of the knife brush body (402), and the side of the fixing pin (403) is movably connected to the side of the fixing hole (405).
6. A fixing structure for cutting blade and brush transmission according to claim 5, characterized in that: A second mounting hole (408) is provided on the side of the first mounting hole (406), an electromagnet (407) is fixedly connected to the side of the second mounting hole (408), a connecting rod (410) is fixedly connected to the side of the fixing pin (403), and a magnet (409) is fixedly connected to the side of the connecting rod (410).