Cutter connecting pin device capable of being flexibly adjusted
By designing a flexible adjustable cutting blade connecting pin device, and using a servo motor-driven rotating shaft and adjusting screw to adjust the arc-shaped support plate and clamping plate, the problem of existing devices being unable to adapt to pin holes of different diameters is solved, achieving stable fixing of the cutting blade and wide applicability.
Patent Information
- Application Number
- CN202423078403.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-13
AI Technical Summary
The existing cutting blade connecting pin device is difficult to adjust the diameter of the connecting pin flexibly according to the actual diameter of the cutting blade pin hole, resulting in a limited range of applications and poor flexibility of use.
A flexible adjustable cutting blade connecting pin device was designed. By setting up a connecting seat, mounting groove, pin hole, rotating shaft, arc support plate, and adjustment components, the pin diameter can be flexibly adjusted. It includes a fixing component, a first adjustment component and a second adjustment component. A servo motor drives the rotating shaft and the adjusting screw to adjust the position of the arc support plate and the clamping plate to adapt to pin holes of different diameters.
This improves the device's flexibility of use, expands its applicability, ensures the stable and fixed position of the cutting blade, and enhances the device's practical value.
Smart Images

Figure CN223734009U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cutting blade connecting pin technology, and in particular to a cutting blade connecting pin device with flexible adjustment. Background Technology
[0002] The cutting blade needs to be securely connected to other parts of the cutting equipment to function properly. The connecting pin is a key component for this connection. The connecting pin ensures the accurate position of the cutting blade in the equipment, making the installation of the cutting blade simple and facilitating routine maintenance.
[0003] Most current cutting blade connecting pins have relatively simple structures, often only able to match pin holes of a uniform size. This makes it difficult to flexibly adjust the diameter of the connecting pin according to the actual diameter of the cutting blade pin hole, resulting in a limited range of applications and poor flexibility in use.
[0004] Therefore, to address the issue that the diameter of the existing cutting blade connecting pin is difficult to adjust flexibly, a flexible adjustable cutting blade connecting pin device can be designed. By adjusting the diameter, the pin diameter can be adjusted according to the actual size of the cutting blade pin hole, thereby improving the device's flexibility, expanding its application range, ensuring the stable and fixed position of the cutting blade, and effectively enhancing the device's practical value. Utility Model Content
[0005] To overcome the problem that most cutting blade connecting pins can only match pin holes of a uniform size, making it difficult to flexibly adjust the diameter of the connecting pin according to the actual diameter of the cutting blade pin hole, thus limiting the applicability of the device.
[0006] The technical solution of this utility model is as follows: a flexibly adjustable cutting blade connecting pin device, including a connecting seat, a mounting groove, a cutting blade body, a first pin hole, a pin body, a second pin hole, a fixing component, a rotating shaft, an arc-shaped support plate, a first adjusting component, a bidirectional adjusting screw, an arc-shaped clamping plate, and a second adjusting component; a mounting groove is provided on one side of the connecting seat, the cutting blade body is arranged inside the mounting groove, a first pin hole is provided on one side of the cutting blade body, a pin body is arranged inside the first pin hole, and a second pin hole is provided on one side of the connecting seat. A fixing component is provided on one side of the main body, and a rotating shaft is provided on the inner side of the pin body. The rotating shaft and the pin body are rotatably connected. An arc-shaped support plate is provided on the outer side of the rotating shaft. Multiple sets of arc-shaped support plates are provided. The arc-shaped support plates are closely attached to the inner wall of the first pin hole. A first adjustment component is provided on one side of the arc-shaped support plate. A bidirectional adjustment screw is provided on one side of the connecting seat. An arc-shaped clamp is provided on the outer side of the bidirectional adjustment screw. Two sets of arc-shaped clamps are symmetrically arranged. The arc-shaped clamps are closely attached to the outer wall of the cutting blade body. A second adjustment component is provided on one side of the bidirectional adjustment screw.
[0007] Preferably, by setting a fixed mounting slot for the connecting seat, the mounting slot is used to define the installation position of the cutting blade body. The cutting blade body is placed into the mounting slot, the first pin hole is used to define the pin position on the cutting blade body, and the second pin hole is used to define the pin position on the connecting seat. The pin body is inserted into the first and second pin holes, and the fixing component locks the pin body in position. The first adjusting component drives the rotating shaft to rotate, and the rotating shaft adjusts the position of the arc-shaped support plate. The arc-shaped support plate supports and fixes the cutting blade body according to the actual diameter of the first pin hole. The second adjusting component drives the bidirectional adjusting screw to rotate, and the bidirectional adjusting screw adjusts the spacing of the arc-shaped clamping plates. The arc-shaped clamping plates clamp and fix the cutting blade body. This achieves the adjustment of the pin diameter according to the actual size of the cutting blade pin hole, improving the flexibility of the device, expanding its application range, ensuring the stable and fixed position of the cutting blade, and enhancing the practical value of the device.
[0008] Preferably, the fixing component includes a fixing plate, a through hole, and a third pin hole; a fixing plate is provided on one side of the connecting seat, a through hole is provided on one side of the fixing plate, and a third pin hole is provided at one end of the pin body.
[0009] Preferably, the fixing component also includes a positioning shaft and a positioning sleeve; a positioning shaft is provided inside the third pin hole, and a positioning sleeve is provided at one end of the positioning shaft, with the positioning sleeve and one end of the positioning shaft being threadedly connected to each other.
[0010] Preferably, the first adjustment component includes a first servo motor and a storage slot; the first servo motor is provided at one end of the pin body, and a storage slot is provided on the outer side of the rotating shaft.
[0011] Preferably, the first adjustment component also includes a turntable, an arc-shaped groove, a slider, and a connecting rod; a turntable is provided at one end of the rotating shaft, an arc-shaped groove is provided on one side of the turntable, a slider is provided on the inner side of the arc-shaped groove, and a connecting rod is provided on one side of the slider.
[0012] Preferably, the output end of the first servo motor is connected to the rotating shaft, the arc-shaped support plate is fitted into the storage groove, two sets of turntables are symmetrically arranged, the turntables and the rotating shaft are rotatably connected to each other, multiple sets of arc-shaped slides are opened, and the other end of the connecting rod is fixedly connected to the arc-shaped support plate.
[0013] Preferably, the second adjustment component includes a second servo motor and a connecting block; the second servo motor is provided on the top of the connecting seat, the output end of the second servo motor is connected to the bidirectional adjusting screw, the connecting block is provided on the outside of the bidirectional adjusting screw, two sets of connecting blocks are symmetrically arranged, and an arc-shaped clamp is provided on one side of the connecting block.
[0014] The beneficial effects of this utility model are:
[0015] When adjusting the device, the mounting slot is fixed by setting the connecting seat. The mounting slot is used to determine the installation position of the cutting blade body. The cutting blade body is placed into the mounting slot. The first pin hole is used to determine the pin position on the cutting blade body. The second pin hole is used to determine the pin position on the connecting seat. The pin body is inserted into the first pin hole and the second pin hole to lock the pin body position. The position of the pin body is adjusted by rotating the rotating shaft. The position of the arc support plate is adjusted by rotating the arc support plate according to the actual diameter of the first pin hole. The distance between the arc clamping plates is adjusted by rotating the bidirectional adjusting screw. The cutting blade body is clamped and fixed by rotating the arc clamping plates. This solves the problem that most cutting blade connecting pins can only match pin holes of a uniform size, making it difficult to flexibly adjust the diameter of the connecting pin according to the actual diameter of the cutting blade pin hole, resulting in a limited range of applications for the device. This enhances the practical value of the device. Attached Figure Description
[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of the flexibly adjustable cutting blade connecting pin device of this utility model.
[0017] Figure 2 The diagram shown is a three-dimensional structural schematic of the cutter body of the flexibly adjustable cutter connecting pin device of this utility model.
[0018] Figure 3 The diagram shown is a three-dimensional structural schematic of the fixing component of the flexibly adjustable cutting blade connecting pin device of this utility model.
[0019] Figure 4 The diagram shown is a three-dimensional structural schematic of the first adjusting component of the flexibly adjustable cutting blade connecting pin device of this utility model.
[0020] Figure 5 The diagram shown is a three-dimensional structural schematic of the first adjusting component of the flexibly adjustable cutting blade connecting pin device of this utility model.
[0021] Figure 6 The diagram shown is a three-dimensional structural schematic of the arc-shaped support plate of the flexibly adjustable cutting blade connecting pin device of this utility model.
[0022] Figure 7 The diagram shown is a three-dimensional structural schematic of the second adjustment component of the flexibly adjustable cutting blade connecting pin device of this utility model.
[0023] Explanation of reference numerals in the attached drawings: 1. Connecting seat; 2. Mounting slot; 3. Cutting blade body; 301. First pin hole; 4. Pin body; 401. Second pin hole; 402. Fixing plate; 403. Through hole; 404. Third pin hole; 405. Positioning shaft; 406. Positioning sleeve; 5. Rotating shaft; 501. Arc-shaped support plate; 502. First servo motor; 503. Storage slot; 504. Turntable; 505. Arc-shaped slide groove; 506. Slider; 507. Connecting rod; 6. Bidirectional adjusting screw; 601. Arc-shaped clamping plate; 602. Second servo motor; 603. Connecting block. Detailed Implementation
[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0025] Please see Figures 1-7 This utility model provides an embodiment of a flexibly adjustable cutting blade connecting pin device, including a connecting seat 1, a mounting groove 2, a cutting blade body 3, a first pin hole 301, a pin body 4, a second pin hole 401, a fixing component, a rotating shaft 5, an arc-shaped support plate 501, a first adjusting component, a bidirectional adjusting screw 6, an arc-shaped clamping plate 601, and a second adjusting component; the connecting seat 1 has a mounting groove 2 on one side, the cutting blade body 3 is arranged inside the mounting groove 2, the cutting blade body 3 has a first pin hole 301 on one side, the pin body 4 is arranged inside the first pin hole 301, and the connecting seat 1 has a second pin hole 401 on one side. A fixing component is provided on one side of the pin body 4. A rotating shaft 5 is provided on the inner side of the pin body 4. The rotating shaft 5 is rotatably connected to the pin body 4. An arc-shaped support plate 501 is provided on the outer side of the rotating shaft 5. Multiple sets of arc-shaped support plates 501 are provided. The arc-shaped support plates 501 are tightly attached to the inner wall of the first pin hole 301. A first adjustment component is provided on one side of the arc-shaped support plate 501. A bidirectional adjustment screw 6 is provided on one side of the connecting seat 1. An arc-shaped clamp 601 is provided on the outer side of the bidirectional adjustment screw 6. Two sets of arc-shaped clamps 601 are symmetrically arranged. The arc-shaped clamps 601 are tightly attached to the outer wall of the cutting blade body 3. A second adjustment component is provided on one side of the bidirectional adjustment screw 6.
[0026] Please see Figures 1-6In this embodiment, the fixing component includes a fixing plate 402, a through hole 403, a third pin hole 404, a positioning shaft 405, and a positioning sleeve 406. A fixing plate 402 is provided on one side of the connecting seat 1, and a through hole 403 is provided on one side of the fixing plate 402. A third pin hole 404 is provided at one end of the pin body 4, and a positioning shaft 405 is provided inside the third pin hole 404. A positioning sleeve 406 is provided at one end of the positioning shaft 405. The positioning sleeve 406 is threadedly connected to one end of the positioning shaft 405. The position of the through hole 403 is fixed by the fixing plate 402. The positioning shaft 405 is inserted into the through hole 403 so that the positioning shaft 405 passes through the third pin hole 404. The positioning sleeve 406 is rotated along one end of the positioning shaft 405 to fix the position of the positioning shaft 405, thereby locking and fixing the pin body 4.
[0027] The first adjustment component includes a first servo motor 502, a storage slot 503, a turntable 504, an arc-shaped slide groove 505, a slider 506, and a connecting rod 507. One end of the pin body 4 is equipped with the first servo motor 502, the output end of which is connected to the rotating shaft 5. A storage slot 503 is provided on the outer side of the rotating shaft 5, and an arc-shaped support plate 501 is fitted into the storage slot 503. One end of the rotating shaft 5 is equipped with a turntable 504, and two sets of turntables 504 are symmetrically arranged. The turntables 504 and the rotating shaft 5 are rotatably connected. An arc-shaped slide groove 505 is provided on one side of the turntable 504. 5 has multiple sets of arc-shaped slide grooves 505 with sliders 506 on the inner side. A connecting rod 507 is provided on one side of the slider 506. The other end of the connecting rod 507 is fixedly connected to the arc-shaped support plate 501. The first servo motor 502 drives the rotating shaft 5 to rotate. The rotating shaft 5 drives the turntable 504 to rotate synchronously. The rotating turntable 504 causes the slider 506 to slide along the arc-shaped slide groove 505. The sliding slider 506 drives the connecting rod 507 to move synchronously. The connecting rod 507 is used to connect and fix the arc-shaped support plate 501, so that the spacing of the arc-shaped support plate 501 can be flexibly adjusted according to the diameter of the first pin hole 301.
[0028] Please see Figure 7 In this embodiment, the second adjustment component includes a second servo motor 602 and a connecting block 603. The second servo motor 602 is provided on the top of the connecting seat 1. The output end of the second servo motor 602 is connected to the bidirectional adjusting screw 6. The connecting block 603 is provided on the outer side of the bidirectional adjusting screw 6. Two sets of connecting blocks 603 are symmetrically arranged. The arc-shaped clamping plate 601 is provided on one side of the connecting block 603. The second servo motor 602 drives the bidirectional adjusting screw 6 to rotate. Rotating the bidirectional adjusting screw 6 flexibly adjusts the distance between the two sets of connecting blocks 603. The arc-shaped clamping plate 601 is fixed by the connecting block 603, thereby adjusting the distance between the two sets of arc-shaped clamping plates 601 according to the actual size of the cutting blade body 3.
[0029] When installing the cutting blade body 3, place the cutting blade body 3 in the mounting groove 2 of the connecting seat 1, so that the pin body 4 passes through the first pin hole 301 and the second pin hole 401. After inserting the pin body 4, pass the positioning shaft 405 through the through hole 403 on the fixing plate 402, so that the positioning shaft 405 passes through the third pin hole 404. Then, rotate the positioning sleeve 406 at one end of the positioning shaft 405.
[0030] When adjusting the device, the first servo motor 502 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the turntable 504 to rotate synchronously, the rotating turntable 504 drives the slider 506 to slide along the arc-shaped slide groove 505, thereby driving the arc-shaped support plate 501 on the connecting rod 507 to move synchronously, moving the arc-shaped support plate 501 out of the storage groove 503, so that the arc-shaped support plate 501 is tightly attached to the inner wall of the support first pin hole 301;
[0031] Subsequently, the second servo motor 602 drives the bidirectional adjusting screw 6 to rotate, and the bidirectional adjusting screw 6 adjusts the distance between the arc-shaped clamps 601 on the two sets of connecting blocks 603, so that the arc-shaped clamps 601 clamp and fix the outer side of the cutting blade body 3.
[0032] Through the above steps, by setting the position of the mounting slot 2 of the connecting seat 1, the installation position of the cutting blade body 3 is determined by the mounting slot 2. The cutting blade body 3 is placed into the mounting slot 2. The position of the pin on the cutting blade body 3 is determined by the first pin hole 301 and the position of the pin on the connecting seat 1 is determined by the second pin hole 401. The pin body 4 is inserted into the first pin hole 301 and the second pin hole 401. The position of the pin body 4 is locked by the fixing component. The rotating shaft 5 is rotated by the first adjusting component. The position of the arc support plate 501 is adjusted by rotating the rotating shaft 5. The cutting blade body 3 is fixed by the arc support plate 501 according to the actual diameter of the first pin hole 301. The bidirectional adjusting screw 6 is rotated by the second adjusting component. The spacing of the arc clamp 601 is adjusted by rotating the bidirectional adjusting screw 6. The cutting blade body 3 is clamped and fixed by the arc clamp 601. Thus, the pin diameter can be adjusted according to the actual size of the cutting blade pin hole, which improves the flexibility of the device, expands the scope of application, and ensures the stable and fixed position of the cutting blade.
[0033] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.
Claims
1. A flexible adjustable cutting knife connecting pin device, comprising a connecting seat (1), a mounting groove (2), a cutting knife main body (3), a first plug hole (301), and a plug main body (4); characterized in that: The utility model also includes second bolt hole (401), fixed component, pivot (5), arc support plate (501), first adjusting component, two -way adjusting screw rod (6), arc clamping plate (601) and second adjusting component, one side of connecting seat (1) is provided with installation groove (2), the inboard of installation groove (2) is provided with cutting knife main part (3), one side of cutting knife main part (3) is provided with first bolt hole (301), the inboard of first bolt hole (301) is provided with bolt main part (4), one side of connecting seat (1) is provided with second bolt hole (401), one side of bolt main part (4) is provided with fixed component, the inboard of bolt main part (4) is provided with pivot (5), pivot (5) is rotatably connected with bolt main part (4), the outboard of pivot (5) is provided with arc support plate (501), arc support plate (501) is provided with multiple groups, arc support plate (501) is tightly attached to the inner wall of first bolt hole (301), one side of arc support plate (501) is provided with first adjusting component, one side of connecting seat (1) is provided with two -way adjusting screw rod (6), the outboard of two -way adjusting screw rod (6) is provided with arc clamping plate (601), arc clamping plate (601) is provided with two groups of symmetry, arc clamping plate (601) is tightly attached to the outer wall of cutting knife main part (3), one side of two -way adjusting screw rod (6) is provided with second adjusting component.
2. The flexibly adjustable cutting knife connecting pin device of claim 1, wherein: Fixed component includes fixed plate (402), through -hole (403) and third bolt hole (404), one side of connecting seat (1) is provided with fixed plate (402), one side of fixed plate (402) is provided with through -hole (403), one end of bolt main part (4) is provided with third bolt hole (404).
3. The flexibly adjustable cutting knife connecting pin device of claim 2, wherein: Fixed component also includes locating shaft (405) and locating sleeve (406), the inboard of third bolt hole (404) is provided with locating shaft (405), one end of locating shaft (405) is provided with locating sleeve (406), locating sleeve (406) and one end of locating shaft (405) are threadedly connected with each other.
4. The flexibly adjustable cutting knife connecting pin device of claim 2, wherein: First adjusting component includes first servo motor (502) and storage slot (503), one end of bolt main part (4) is provided with first servo motor (502), the outboard of pivot (5) is provided with storage slot (503).
5. The flexibly adjustable cutting knife connecting pin device of claim 4, wherein: First adjusting component also includes turntable (504), arc sliding slot (505), sliding block (506) and connecting rod (507), one end of pivot (5) is provided with turntable (504), one side of turntable (504) is provided with arc sliding slot (505), the inboard of arc sliding slot (505) is provided with sliding block (506), one side of sliding block (506) is provided with connecting rod (507).
6. The flexibly adjustable cutting knife connecting pin device of claim 5, wherein: The output end of first servo motor (502) is connected with pivot (5), arc support plate (501) and storage slot (503) are mutually embedded, turntable (504) is provided with two groups of symmetry, turntable (504) and pivot (5) are rotatably connected with each other, arc sliding slot (505) is provided with multiple groups, the other end of connecting rod (507) and arc support plate (501) are fixedly connected with each other.
7. The flexibly adjustable cutting knife connecting pin device of claim 5, wherein: The second adjusting assembly comprises a second servo motor (602) and a connecting block (603); the top of the connecting seat (1) is provided with the second servo motor (602), the output end of the second servo motor (602) is connected with a bidirectional adjusting screw rod (6), the outer side of the bidirectional adjusting screw rod (6) is provided with the connecting block (603), the connecting block (603) is symmetrically provided with two groups, and the arc-shaped clamping plate (601) is arranged on one side of the connecting block (603).