CN220740703U - Outer circle grinding and sharpening fixture - Google Patents
Outer circle grinding and sharpening fixture Download PDFInfo
- Publication number
- CN220740703U CN220740703U CN202322290780.5U CN202322290780U CN220740703U CN 220740703 U CN220740703 U CN 220740703U CN 202322290780 U CN202322290780 U CN 202322290780U CN 220740703 U CN220740703 U CN 220740703U
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- sliding
- grinding
- transmission
- grinding wheel
- rod
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- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses an excircle grinding and sharpening fixture, which comprises a frame and a grinding wheel grinding head, wherein four connecting pieces are arranged on the frame, guide rods are arranged between every two adjacent connecting pieces, the same mounting frame is arranged on the two guide rods in a sliding manner, a transmission cavity is formed in the mounting frame, when the grinding wheel grinding head is uneven in surface after long-term use, a servo motor is started to drive a transmission gear to rotate, so that two transmission sliding blocks are far away from each other, two second clamping plates are far away from each other, meanwhile, a rotating disc rotates, two sliding blocks slide along an arc-shaped sliding groove and drive two connecting rods to be far away from each other, the two first clamping plates are far away from each other, limiting fixation of the grinding wheel grinding head is eliminated, the grinding wheel grinding head can be replaced, and the grinding wheel grinding head can be clamped and positioned by the first clamping plates and the second clamping plates through reverse rotation of the servo motor only after the grinding wheel grinding head is placed at a designated position when a new grinding wheel is installed.
Description
Technical Field
The utility model relates to the technical field of knife sharpening fixtures, in particular to an excircle grinding knife sharpening fixture.
Background
The spring plate is a mechanical part which works by using elasticity, and is usually made of spring plate steel, so as to control the movement of a machine part, store energy and the like, and is wider. The hardware shrapnel has various varieties and is divided into a spiral shrapnel, a scroll shrapnel, a plate shrapnel and the like according to the shape, the production shrapnel is usually processed by cold stamping of a stamping die, the flash or burrs of a semi-finished shrapnel affect the product quality, and the flash and burrs generated in the cold stamping process of the stamping die are usually eliminated by adopting an external grinding in the prior art.
In the prior art, the surface of the grinding wheel is uneven after the cylindrical grinding wheel is used for a long time, and the grinding wheel is mostly fixed by installing bolts or screw mechanisms in the prior art, so that the disassembly process is complicated, and the working efficiency is general.
Disclosure of Invention
The utility model aims to provide an excircle grinding knife clamp for solving the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the outer circle grinding and sharpening fixture is characterized by comprising a frame and a grinding wheel grinding head, wherein four connecting pieces are arranged on the frame, guide rods are arranged between every two adjacent connecting pieces, a same mounting frame is slidably arranged on each guide rod, a transmission cavity is formed in each mounting frame, a servo motor is arranged in each transmission cavity, a transmission gear is arranged at the action output end of each servo motor, a rotating disc is arranged on each transmission gear, two arc-shaped sliding grooves are formed in each rotating disc, a sliding block is slidably arranged in each arc-shaped sliding groove, a connecting rod is rotatably arranged on each sliding block, a first clamping plate is arranged on each connecting rod, two first clamping plates are clamped on each grinding wheel grinding head, two transmission sliding blocks are slidably arranged in each transmission cavity, transmission racks meshed with each transmission gear are arranged on each transmission sliding block, a fixing rod is arranged on each transmission sliding block, two second clamping plates are slidably arranged on each fixing rod, two clamping blocks which are symmetrical to each other are arranged on each grinding wheel grinding head, and clamping grooves matched with each clamping block are formed in each first clamping plate.
Preferably, the fixing rod is provided with a through hole, and the sliding rod is slidably arranged in the through hole.
Preferably, the sliding rod is sleeved with a reset spring, one end of the reset spring is arranged on the second clamping plate, and the other end of the reset spring is arranged on the fixed rod.
Preferably, the cross section of the arc chute is in a convex shape.
Preferably, the mounting frame is provided with a sliding hole, and the guide rod slides in the sliding hole.
Preferably, two first sliding grooves which are symmetrical to each other are formed in the inner wall of the top of the transmission cavity, and the two connecting rods are respectively arranged in the two first sliding grooves in a sliding mode.
Preferably, two second sliding grooves which are symmetrical to each other are formed in the inner wall of the top of the transmission cavity, and the two fixing rods are respectively arranged in the two second sliding grooves in a sliding mode.
The beneficial effects of the utility model are as follows:
according to the utility model, when the surface of the grinding wheel grinding head is uneven after long-term use, the servo motor is started to drive the transmission gear to rotate, so that the two transmission sliding blocks are mutually far away, the two second clamping plates are mutually far away, meanwhile, the rotating disc rotates, the two sliding blocks slide along the arc-shaped sliding grooves and drive the two connecting rods to mutually far away, and the two first clamping plates are mutually far away, so that limit fixation of the grinding wheel grinding head is relieved, the grinding wheel grinding head can be replaced, and when a new grinding wheel grinding head is installed, the first clamping plates and the second clamping plates can clamp and position the grinding wheel grinding head only by reversely rotating the servo motor after the new grinding wheel grinding head is placed at a specified position.
Drawings
Fig. 1 is a schematic structural diagram of an outer circle grinding knife clamp provided by the utility model;
fig. 2 is a schematic cross-sectional structure diagram of a connecting rod and a first clamping plate of the outer circle grinding knife fixture;
fig. 3 is a schematic view showing a bottom cross-sectional structure of a transmission slider and a transmission gear of the cylindrical grinding knife fixture;
fig. 4 is a schematic cross-sectional structure of a fixing rod and a driving slider of the outer circle grinding knife fixture provided by the utility model.
In the figure: 1. a frame; 2. a connecting piece; 3. a guide rod; 4. a mounting frame; 5. grinding wheel grinding head; 6. a transmission cavity; 7. a servo motor; 8. a transmission gear; 9. a transmission slide block; 10. a rotating disc; 11. a connecting rod; 12. a clamping groove; 13. a clamping block; 14. a first clamping plate; 15. a first chute; 16. a second chute; 17. a slide hole; 18. a drive rack; 19. an arc chute; 20. a fixed rod; 21. a slide bar; 22. a second clamping plate; 23. a through hole; 24. a return spring; 25. a sliding block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, the outer circle grinding and sharpening fixture comprises a frame 1 and a grinding wheel grinding head 5, four connecting pieces 2 are installed on the frame 1, guide rods 3 are installed between every two adjacent connecting pieces 2, a same installation frame 4 is installed on the two guide rods 3 in a sliding mode, a transmission cavity 6 is formed in the installation frame 4, a servo motor 7 is arranged in the transmission cavity 6, a transmission gear 8 is installed on an action output end of the servo motor 7, a rotating disc 10 is installed on the transmission gear 8, two arc-shaped sliding grooves 19 are formed in the rotating disc 10, sliding blocks 25 are installed in the arc-shaped sliding grooves 19 in a sliding mode, a connecting rod 11 is installed on the sliding blocks 25 in a rotating mode, first clamping plates 14 are installed on the connecting rod 11, the two first clamping plates 14 are clamped on the grinding wheel grinding head 5, a transmission rack 18 meshed with the transmission gear 8 is arranged on the transmission slider 9 in a sliding mode, a fixed rod 20 is installed on the fixed rod 20, a second clamping plate 22 is installed on the sliding rod 21, two clamping blocks 22 are clamped on the two clamping plates 5, and two clamping blocks 13 are arranged on the clamping blocks 13 and are matched with the grinding wheel grinding head 13 in a clamping mode.
When the grinding wheel grinding head 5 is uneven in the long-term use rear surface, the servo motor 7 can be started to drive the transmission gear 8 to rotate, so that the two transmission sliding blocks 9 are far away from each other, the two second clamping plates 22 are far away from each other, meanwhile, the rotating disc 10 rotates, the two sliding blocks 25 slide along the arc-shaped sliding grooves 19 and drive the two connecting rods 11 to be far away from each other, the two first clamping plates 14 are far away from each other, limiting fixation of the grinding wheel grinding head 5 is relieved, the grinding wheel grinding head 5 can be replaced, when the new grinding wheel grinding head 5 is installed, the first clamping plates 14 and the second clamping plates 22 can clamp and fix the grinding wheel grinding head 5 only after being placed at the designated position through the servo motor 7, and in the installation process, the clamping grooves 12 on the first clamping plates 14 are in butt joint with the clamping blocks 13 on the grinding wheel grinding head 5, so that the grinding wheel grinding head 5 is better limited and fixed.
Specifically, in this embodiment, the fixing rod 20 is provided with a through hole 23, the sliding rod 21 is slidably mounted in the through hole 23, the sliding rod 21 is sleeved with a return spring 24, one end of the return spring 24 is mounted on the second clamping plate 22, and the other end of the return spring 24 is mounted on the fixing rod 20.
Through arranging through-hole 23 to make slide bar 21 can slide along through-hole 23, and then can be when servo motor 7 drive two second splint 22 are close to each other, after second splint 22 contacted grinding wheel bistrique 5, make second splint 22 drive slide bar 21 along through-hole 23 slip a certain distance and extrude reset spring 24, thereby make driving motor can continue to drive first splint 14 and press from both sides tightly grinding wheel bistrique 5, reserve certain stroke for servo motor 7, avoid first splint 14 can't carry out the centre gripping to grinding wheel bistrique 5 behind second splint 22 to grinding wheel bistrique 5.
Specifically, in this embodiment, the cross section of the arc chute 19 is convex.
Specifically, in this embodiment, the mounting frame 4 is provided with a sliding hole 17, and the guide rod slides in the sliding hole 17.
By means of the slide holes 17 arranged, the mounting frame 4 can slide along the two guide bars through the slide holes 17.
Specifically, in this embodiment, two first sliding grooves 15 that are symmetrical to each other are formed on the top inner wall of the transmission cavity 6, and two connecting rods 11 are respectively slidably disposed in the two first sliding grooves 15.
By means of the first slide groove 15 arranged, the movement direction of the connecting rod 11 can be guided and the movement range of the connecting rod 11 can be limited.
Specifically, in this embodiment, two symmetrical second sliding grooves 16 are formed on the top inner wall of the transmission cavity 6, and two fixing rods 20 are respectively slidably disposed in the two second sliding grooves 16.
By the second slide groove 16 being arranged, the movement direction of the fixing lever 20 can be guided and the movement range of the fixing lever 20 can be restricted.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The outer circle grinding and sharpening fixture is characterized by comprising a frame and a grinding wheel grinding head, wherein four connecting pieces are arranged on the frame, guide rods are arranged between every two adjacent connecting pieces, a same mounting frame is slidably arranged on each guide rod, a transmission cavity is formed in each mounting frame, a servo motor is arranged in each transmission cavity, a transmission gear is arranged at the action output end of each servo motor, a rotating disc is arranged on each transmission gear, two arc-shaped sliding grooves are formed in each rotating disc, a sliding block is slidably arranged in each arc-shaped sliding groove, a connecting rod is rotatably arranged on each sliding block, a first clamping plate is arranged on each connecting rod, two first clamping plates are clamped on each grinding wheel grinding head, two transmission sliding blocks are slidably arranged in each transmission cavity, transmission racks meshed with each transmission gear are arranged on each transmission sliding block, a fixing rod is arranged on each transmission sliding block, two second clamping plates are slidably arranged on each fixing rod, two clamping blocks which are symmetrical to each other are arranged on each grinding wheel grinding head, and clamping grooves matched with each clamping block are formed in each first clamping plate.
2. The cylindrical grinding sharpening fixture of claim 1, wherein: the fixed rod is provided with a through hole, and the sliding rod is slidably arranged in the through hole.
3. The cylindrical grinding sharpening fixture of claim 1, wherein: and a reset spring is sleeved on the sliding rod, one end of the reset spring is arranged on the second clamping plate, and the other end of the reset spring is arranged on the fixed rod.
4. The cylindrical grinding sharpening fixture of claim 1, wherein: the cross section of the arc chute is in a convex shape.
5. The cylindrical grinding sharpening fixture of claim 1, wherein: and the mounting frame is provided with a sliding hole, and the guide rod slides in the sliding hole.
6. The cylindrical grinding sharpening fixture of claim 1, wherein: two mutually symmetrical first sliding grooves are formed in the inner wall of the top of the transmission cavity, and the two connecting rods are respectively arranged in the two first sliding grooves in a sliding mode.
7. The cylindrical grinding sharpening fixture of claim 1, wherein: two second sliding grooves which are symmetrical to each other are formed in the inner wall of the top of the transmission cavity, and the two fixing rods are respectively arranged in the two second sliding grooves in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322290780.5U CN220740703U (en) | 2023-08-25 | 2023-08-25 | Outer circle grinding and sharpening fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322290780.5U CN220740703U (en) | 2023-08-25 | 2023-08-25 | Outer circle grinding and sharpening fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220740703U true CN220740703U (en) | 2024-04-09 |
Family
ID=90564013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322290780.5U Active CN220740703U (en) | 2023-08-25 | 2023-08-25 | Outer circle grinding and sharpening fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220740703U (en) |
-
2023
- 2023-08-25 CN CN202322290780.5U patent/CN220740703U/en active Active
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