Multifunctional knife sharpening structure for rotary cutter

Abstract

The multifunctional knife sharpening structure for the rotary cutter comprises a polishing box and a knife groove, the knife groove is formed in the polishing box, a movable frame is arranged at the top end of the portion, above the knife groove, of the polishing box, a connecting frame is arranged at the top end of the movable frame, and a supporting frame is arranged on the outer wall of the connecting frame. A supporting box is installed on the outer wall of the supporting frame, a first motor is arranged on the outer wall of the supporting box, a grinding wheel is installed at the output end of the first motor, a second motor is installed at the top end of the supporting box, and the output end of the second motor extends into the supporting box. And a rotating shaft is movably mounted in the supporting box on one side of the second motor. According to the rotary cutter blade grinding device, the rotary cutter blade can be conveniently clamped and fixed through the cutter grinding structure, convenient angle inclined grinding is facilitated, multi-position adjusting movable grinding is facilitated, the grinding range of the rotary cutter blade is widened, and the flexibility and efficiency of rotary grinding of the cutter grinding structure are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of knife sharpening structures, in particular to a multifunctional knife sharpening structure for a rotary cutter. Background Art

[0002] Peeling machine is a device that peels wood segments into thin boards. Peeling machine is divided into concentric peeling and eccentric peeling according to whether the wood segments rotate around their own axis. Concentric peeling machine is further divided into shaft peeling machine and shaftless peeling machine. According to market research, with the development of science and technology, digital servo control technology is also applied to the production of peeling machines. In recent years, CNC peeling machines have appeared on the market. The emergence of CNC peeling machines not only improves the quality and precision of the production of single boards, but also greatly improves the production efficiency and the degree of automation of the whole machine, and is widely used.

[0003] The traditional knife sharpening process includes four steps: manual disassembly, knife transfer, installation, manual adjustment and alignment of the knife, and knife sharpening. Although the knife sharpening structure of the traditional rotary cutter can also be used for blade sharpening, it does not solve the problem that the existing knife sharpening structure is not conducive to convenient clamping and fixing of the rotary cutter blade and convenient angle tilting sharpening during use, and is not convenient for multi-position adjustment and mobile grinding, which greatly affects the grinding range of the rotary cutter blade and affects the flexibility and efficiency of the rotational grinding of the knife sharpening structure. Utility Model Content

[0004] The purpose of the utility model is to provide a multifunctional knife sharpening structure for a rotary cutter to solve the problem that the knife sharpening structure proposed in the above background technology is not convenient for convenient clamping and fixing of the rotary cutter blade and convenient angle tilting grinding, is not convenient for multi-position adjustment and mobile grinding, affects the grinding range of the rotary cutter blade, and affects the flexibility and efficiency of the rotational grinding of the knife sharpening structure.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multifunctional knife sharpening structure for a rotary cutter, comprising a grinding box and a knife groove, wherein the grinding box is provided with a knife groove inside, a movable frame is provided at the top of the grinding box above the knife groove, a connecting frame is provided at the top of the movable frame, a supporting frame is provided on the outer wall of the connecting frame, a supporting box is installed on the outer wall of the supporting frame, a first motor is provided on the outer wall of the supporting box, a grinding wheel is installed at the output end of the first motor, a second motor is installed at the top of the supporting box, and the output end of the second motor extends to the supporting frame. Inside the support box, a rotating shaft is movably installed inside the support box on one side of the second motor, and the rotating shaft extends to the outside of the support box and is connected to the first motor, a worm is installed at the output end of the second motor, a worm wheel is mounted on the surface of the rotating shaft on one side of the worm, and the worm and the worm wheel are meshed with each other, support seats are symmetrically installed on the outer wall of the movable frame, a third motor is installed on the top of the support seat, a first gear is installed at the output end of the third motor, a first rack is installed on the outer wall of the polishing box on one side of the first gear, and the first gear is meshed with the first rack.

[0006] Preferably, the bottom end of the support seat on one side of the third motor is symmetrically mounted with a first running wheel assembly, and the first running wheel assembly is slidably connected to the polishing box.

[0007] Preferably, a fourth motor is installed on the outer wall of the connecting frame, a second gear is installed on the output end of the fourth motor, a second rack is installed on the outer wall of the movable frame on one side of the second gear, and the second gear and the second rack are meshed with each other.

[0008] Preferably, two sets of second running wheel assemblies are symmetrically mounted on the outer wall of the connecting frame on one side of the movable frame, and the second running wheel assemblies are both slidably connected to the movable frame.

[0009] Preferably, a fifth motor is installed at the top of the support frame, a threaded rod is installed inside the support frame on one side of the fifth motor, and an output end of the fifth motor is connected to the threaded rod.

[0010] Preferably, a threaded block is mounted on the surface of the threaded rod, and the threaded rod is threadedly connected to the threaded block, and the threaded block is fixedly connected to the connecting frame, support rods are symmetrically installed inside the support frame on one side of the threaded rod, and sliders are installed on the outer wall of the connecting frame on one side of the support rod, and the support rods are slidably connected to the sliders.

[0011] Preferably, three groups of hydraulic cylinders are installed at equal intervals on the outer wall of the knife groove, and clamping blocks are installed on the output ends of the hydraulic cylinders, and the clamping blocks extend to the interior of the knife groove.

[0012] Preferably, a control panel is installed on the outer wall of the polishing box, and the output ends of the control panel are electrically connected to the input ends of the first motor, the second motor, the third motor, the fourth motor, the fifth motor and the hydraulic cylinder.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the knife sharpening structure not only realizes the convenient clamping and fixing of the knife sharpening structure on the rotary cutter blade, facilitates convenient angle tilting grinding, facilitates multi-position adjustment and mobile grinding, but also increases the grinding range of the rotary cutter blade, and improves the flexibility and efficiency of the knife sharpening structure in rotating grinding;

[0014] (1) The clamp block is driven to move by the hydraulic cylinder, and the clamp block drives the peeling machine blade to move, so that the peeling machine blade is closely attached to the inner wall of the knife groove, so as to facilitate the clamp block to fix and support the peeling machine blade, the fourth motor drives the second gear to rotate, the second gear rotates on the surface of the second rack, the fourth motor drives the connecting frame to move longitudinally as a whole, the connecting frame drives the supporting frame to move longitudinally as a whole, the supporting frame drives the supporting box to move longitudinally, the supporting box drives the first motor to move longitudinally, and the first motor drives the grinding wheel to move longitudinally, so as to facilitate the grinding wheel to move above the peeling machine blade, the fifth motor drives the threaded rod to rotate, the threaded rod moves inside the threaded block, the threaded rod drives the supporting frame as a whole to adjust the height, and the supporting box drives the first motor and the grinding wheel to adjust the height, so as to realize the convenient clamping and fixing of the peeling machine blade by the sharpening structure, facilitate the longitudinal movement adjustment and height control adjustment, and improve the convenience of the sharpening structure adjustment and control;

[0015] (2) The blade of the rotary cutter is grinded by a grinding wheel, the worm is driven by the second motor to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the rotating shaft to rotate, the rotating shaft drives the first motor to rotate, and the first motor drives the grinding wheel to perform angle-tilted rotation to facilitate angle-adjustable grinding of the rotary cutter blade, the first gear is driven by the third motor to rotate, the first gear rotates on the surface of the first rack, the third motor drives the support seat to move laterally as a whole, the support seat drives the movable frame to move laterally, the movable frame drives the connecting frame to move laterally, the connecting frame drives the support frame to move laterally, the support frame drives the support box to move laterally, and the support box drives the first motor and the grinding wheel to move laterally to facilitate the grinding wheel to perform lateral movement grinding of the rotary cutter blade, thereby realizing convenient angle-tilted grinding of the grinding structure, facilitating lateral movement grinding, facilitating grinding of different positions of the rotary cutter blade, and improving the flexibility of rotation grinding of the grinding structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2It is a schematic diagram of the three-dimensional structure of the second motor of the utility model;

[0018] Figure 3 This is a front view structural schematic diagram of the utility model;

[0019] Figure 4 It is a side view structural schematic diagram of the utility model;

[0020] Figure 5 It is a schematic diagram of the enlarged rear cross-section structure of the worm gear of the utility model.

[0021] In the figure: 1. grinding box; 2. knife groove; 3. movable frame; 4. connecting frame; 5. support frame; 6. support box; 7. first motor; 8. grinding wheel; 9. second motor; 10. rotating shaft; 11. worm; 12. worm wheel; 13. support seat; 14. third motor; 15. first gear; 16. first rack; 17. first travel wheel assembly; 18. fourth motor; 19. second gear; 20. second rack; 21. second travel wheel assembly; 22. fifth motor; 23. threaded rod; 24. threaded block; 25. support rod; 26. slider; 27. hydraulic cylinder; 28. clamping block; 29. ​​control panel. DETAILED DESCRIPTION

[0022] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0023] See also Figure 1-5The utility model provides an embodiment: a multifunctional knife sharpening structure for a rotary cutter, comprising a grinding box 1 and a knife groove 2, the grinding box 1 is provided with a knife groove 2, a movable frame 3 is provided at the top of the grinding box 1 above the knife groove 2, a connecting frame 4 is provided at the top of the movable frame 3, a supporting frame 5 is provided on the outer wall of the connecting frame 4, a supporting box 6 is installed on the outer wall of the supporting frame 5, a first motor 7 is provided on the outer wall of the supporting box 6, the first motor 7 plays a role in power output, a grinding wheel 8 is installed at the output end of the first motor 7, a second motor 9 is installed at the top of the supporting box 6, the second motor 9 plays a role in power output, and the output end of the second motor 9 extends to the inside of the supporting box 6, a rotating shaft 10 is movably installed inside the supporting box 6 on one side of the second motor 9, and the rotating shaft 10 The shaft 10 extends to the outside of the support box 6 and is connected to the first motor 7. A worm 11 is installed at the output end of the second motor 9. A worm gear 12 is mounted on the surface of the rotating shaft 10 on one side of the worm 11, and the worm 11 and the worm gear 12 are meshed with each other. A support seat 13 is symmetrically installed on the outer wall of the movable frame 3. A third motor 14 is installed on the top of the support seat 13. The third motor 14 plays a role in power output. A first gear 15 is installed at the output end of the third motor 14. A first rack 16 is installed on the outer wall of the polishing box 1 on one side of the first gear 15, and the first gear 15 is meshed with the first rack 16. A first walking wheel assembly 17 is symmetrically installed at the bottom end of the support seat 13 on one side of the third motor 14, and the first walking wheel assembly 17 is slidably connected to the polishing box 1.

[0024] When in use, the first motor 7 is turned on by operating the control panel 29, and the grinding wheel 8 is driven by the first motor 7 to rotate, and the grinding wheel 8 is used to grind the blade of the peeling machine. The second motor 9 is turned on by operating the control panel 29, and the worm 11 is driven to rotate by the second motor 9 under the support of the support box 6. Under the meshing action of the worm 11 and the worm wheel 12, the worm 11 drives the worm wheel 12 to rotate, and the worm wheel 12 drives the rotating shaft 10 to rotate, and the rotating shaft 10 drives the first motor 7 to rotate, and the first motor 7 drives the grinding wheel 8 to perform angle-tilted rotation to facilitate the angle-adjustable grinding of the peeling machine blade. The third motor 14 is turned on by operating the control panel 29, and the first gear 15 is driven to rotate by the third motor 14 under the support of the support seat 13. Under the meshing action of the wheel 15 and the first rack 16, the first gear 15 rotates on the surface of the first rack 16, and under the sliding support of the first walking wheel assembly 17 and the grinding box 1, the third motor 14 drives the support seat 13 to move horizontally as a whole, the support seat 13 drives the movable frame 3 to move horizontally, the movable frame 3 drives the connecting frame 4 to move horizontally, the connecting frame 4 drives the support frame 5 to move horizontally, the support frame 5 drives the supporting box 6 to move horizontally, and the supporting box 6 drives the first motor 7 and the grinding wheel 8 to move horizontally, so as to facilitate the grinding wheel 8 to perform horizontal movement grinding of the rotary cutter blade, realize the convenient angle tilting grinding of the grinding structure, facilitate horizontal movement grinding, facilitate grinding of different positions of the rotary cutter blade, and improve the flexibility of the grinding structure in rotation and grinding;

[0025] A fourth motor 18 is installed on the outer wall of the connecting frame 4, and the fourth motor 18 plays a role in power output. A second gear 19 is installed on the output end of the fourth motor 18. A second rack 20 is installed on the outer wall of the movable frame 3 on one side of the second gear 19, and the second gear 19 and the second rack 20 are meshed with each other. Two groups of second walking wheel assemblies 21 are symmetrically installed on the outer wall of the connecting frame 4 on one side of the movable frame 3, and the second walking wheel assemblies 21 are all slidably connected to the movable frame 3. A fifth motor 22 is installed on the top of the supporting frame 5, and the fifth motor 22 plays a role in power output. A threaded rod 23 is installed inside the supporting frame 5 on one side of the fifth motor 22, and the output end of the fifth motor 22 is connected to the threaded rod 23, and the surface of the threaded rod 23 is covered with a threaded block 24, and the threaded block 24 is provided on the surface of the threaded block 24. The threaded rod 23 is threadedly connected with the threaded block 24, and the threaded block 24 is fixedly connected with the connecting frame 4. A support rod 25 is symmetrically installed inside the supporting frame 5 on one side of the threaded rod 23. A slider 26 is installed on the outer wall of the connecting frame 4 on one side of the support rod 25, and the support rod 25 is slidably connected with the slider 26. Three groups of hydraulic cylinders 27 with equal spacing are installed on the outer wall of the knife groove 2. The three groups of hydraulic cylinders 27 play the role of power output. The output ends of the hydraulic cylinders 27 are all installed with clamping blocks 28, and the clamping blocks 28 all extend to the inside of the knife groove 2. A control panel 29 is installed on the outer wall of the grinding box 1. The output ends of the control panel 29 are all electrically connected to the first motor 7, the second motor 9, the third motor 14, the fourth motor 18, the fifth motor 22, and the input end of the hydraulic cylinder 27;

[0026] When in use, an external power supply is connected. First, the peeling machine blade is placed inside the knife groove 2, and the hydraulic cylinder 27 is opened by operating the control panel 29. Under the support of the knife groove 2, the hydraulic cylinder 27 drives the clamping block 28 to move, and the clamping block 28 drives the peeling machine blade to move, so that the peeling machine blade is close to the inner wall of the knife groove 2, so that the clamping block 28 can fix and support the peeling machine blade. The fourth motor 18 is turned on by operation 32. Under the support of the connecting frame 4, the fourth motor 18 drives the second gear 19 to rotate. Under the meshing action of the second gear 19 and the second rack 20, the second gear 19 rotates on the surface of the second rack 20. Under the sliding support of the second walking wheel assembly 21 and the movable frame 3, the fourth motor 18 drives the connecting frame 4 to move longitudinally as a whole, the connecting frame 4 drives the supporting frame 5 to move longitudinally as a whole, the supporting frame 5 drives the supporting box 6 to move longitudinally, and the supporting box 6 drives the first motor 7 to move longitudinally. The first motor 7 drives the grinding wheel 8 to move longitudinally, so as to facilitate the grinding wheel 8 to move to the top of the peeling machine blade. The fifth motor 22 is turned on by operating the control panel 29. Under the support of the support frame 5, the fifth motor 22 drives the threaded rod 23 to rotate. Under the threaded support of the threaded rod 23 and the threaded block 24, the threaded rod 23 moves inside the threaded block 24. Under the sliding support of the support rod 25 and the slider 26, the threaded rod 23 drives the support frame 5 as a whole to adjust the height, and the support frame 5 drives the support box 6 to adjust the height, and the support box 6 drives the first motor 7 and the grinding wheel 8 to adjust the height, so as to facilitate the grinding of the peeling machine blade. The blade is conveniently clamped and fixed by the sharpening structure, which is convenient for longitudinal movement adjustment and height control adjustment, and improves the convenience of adjustment and control of the sharpening structure.

[0027] Working principle: When in use, an external power supply is connected. First, the peeling machine blade is placed inside the knife groove 2, and the hydraulic cylinder 27 drives the clamping block 28 to move. The clamping block 28 drives the peeling machine blade to move, so that the peeling machine blade is close to the inner wall of the knife groove 2, so that the clamping block 28 can fix and support the peeling machine blade. The fourth motor 18 drives the second gear 19 to rotate, and the second gear 19 rotates on the surface of the second rack 20. The fourth motor 18 drives the connecting frame 4 to move longitudinally as a whole, and the connecting frame 4 drives the supporting frame 5 to move longitudinally as a whole. The support frame 5 drives the support box 6 to move longitudinally, the support box 6 drives the first motor 7 to move longitudinally, and the first motor 7 drives the grinding wheel 8 to move longitudinally, so as to facilitate the grinding wheel 8 to move above the blade of the peeling machine. The fifth motor 22 drives the threaded rod 23 to rotate, and the threaded rod 23 moves inside the threaded block 24. The threaded rod 23 drives the support frame 5 as a whole to adjust the height, the support frame 5 drives the support box 6 to adjust the height, and the support box 6 drives the first motor 7 and the grinding wheel 8 to adjust the height, so as to facilitate the peeling machine. The grinding wheel 8 moves to the top of the peeling machine blade to facilitate the grinding of the peeling machine blade. The first motor 7 drives the grinding wheel 8 to rotate, and the grinding wheel 8 grinds the peeling machine blade. The second motor 9 drives the worm 11 to rotate, and the worm 11 drives the worm wheel 12 to rotate, and the worm wheel 12 drives the rotating shaft 10 to rotate, and the rotating shaft 10 drives the first motor 7 to rotate, and the first motor 7 drives the grinding wheel 8 to rotate at an angle to facilitate the angle adjustment grinding of the peeling machine blade. The third motor 14 The first gear 15 is driven to rotate, and the first gear 15 rotates on the surface of the first rack 16. The third motor 14 drives the support seat 13 to move laterally as a whole, and the support seat 13 drives the movable frame 3 to move laterally, and the movable frame 3 drives the connecting frame 4 to move laterally, and the connecting frame 4 drives the support frame 5 to move laterally, and the support frame 5 drives the support box 6 to move laterally, and the support box 6 drives the first motor 7 and the grinding wheel 8 to move laterally, so as to facilitate the grinding wheel 8 to move laterally and grind the rotary cutter blade, so as to complete the use of the grinding structure.

[0028] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A multifunctional knife sharpening structure for a rotary cutter, comprising a sharpening box (1) and a knife groove (2), characterized in that: The grinding box (1) is provided with a knife groove (2) inside, a movable frame (3) is provided at the top of the grinding box (1) above the knife groove (2), a connecting frame (4) is provided at the top of the movable frame (3), a supporting frame (5) is provided on the outer wall of the connecting frame (4), a supporting box (6) is installed on the outer wall of the supporting frame (5), a first motor (7) is provided on the outer wall of the supporting box (6), a grinding wheel (8) is installed at the output end of the first motor (7), a second motor (9) is installed at the top of the supporting box (6), and the output end of the second motor (9) extends to the inside of the supporting box (6), and a rotating shaft (10) is movably installed inside the supporting box (6) on one side of the second motor (9), The rotating shaft (10) extends to the outside of the support box (6) and is connected to the first motor (7). A worm (11) is installed at the output end of the second motor (9). A worm wheel (12) is mounted on the surface of the rotating shaft (10) on one side of the worm (11), and the worm (11) and the worm wheel (12) are meshed with each other. A support seat (13) is symmetrically installed on the outer wall of the movable frame (3). A third motor (14) is installed on the top of each support seat (13). A first gear (15) is installed at the output end of each third motor (14). A first rack (16) is installed on the outer wall of the polishing box (1) on one side of the first gear (15), and the first gear (15) is meshed with the first rack (16).

2. The multifunctional knife sharpening structure for a rotary cutter according to claim 1, characterized in that: The bottom end of the support seat (13) on one side of the third motor (14) is symmetrically mounted with a first running wheel assembly (17), and the first running wheel assembly (17) is slidably connected to the polishing box (1).

3. The multifunctional knife sharpening structure for a rotary cutter according to claim 1, characterized in that: A fourth motor (18) is mounted on the outer wall of the connecting frame (4), a second gear (19) is mounted on the output end of the fourth motor (18), a second rack (20) is mounted on the outer wall of the movable frame (3) on one side of the second gear (19), and the second gear (19) and the second rack (20) are meshed with each other.

4. The multifunctional knife sharpening structure for a rotary cutter according to claim 3, characterized in that: Two sets of second running wheel assemblies (21) are symmetrically mounted on the outer wall of the connecting frame (4) on one side of the movable frame (3), and the second running wheel assemblies (21) are both slidably connected to the movable frame (3).

5. The multifunctional knife sharpening structure for a rotary cutter according to claim 1, characterized in that: A fifth motor (22) is installed at the top of the support frame (5), a threaded rod (23) is installed inside the support frame (5) on one side of the fifth motor (22), and an output end of the fifth motor (22) is connected to the threaded rod (23).

6. The multifunctional knife sharpening structure for a rotary cutter according to claim 5, characterized in that: A threaded block (24) is mounted on the surface of the threaded rod (23), and the threaded rod (23) is threadedly connected to the threaded block (24), and the threaded block (24) is fixedly connected to the connecting frame (4). Support rods (25) are symmetrically installed inside the supporting frame (5) on one side of the threaded rod (23), and sliding blocks (26) are installed on the outer wall of the connecting frame (4) on one side of the support rod (25), and the support rods (25) are slidably connected to the sliding blocks (26).

7. The multifunctional knife sharpening structure for a rotary cutter according to claim 1, characterized in that: Three groups of hydraulic cylinders (27) are installed at equal intervals on the outer wall of the knife groove (2), and clamping blocks (28) are installed at the output ends of the hydraulic cylinders (27), and the clamping blocks (28) extend to the inside of the knife groove (2).

8. The multifunctional knife sharpening structure for a rotary cutter according to claim 1, characterized in that: A control panel (29) is installed on the outer wall of the polishing box (1), and the output end of the control panel (29) is electrically connected to the input ends of the first motor (7), the second motor (9), the third motor (14), the fourth motor (18), the fifth motor (22), and the hydraulic cylinder (27).

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