CN213004792U - Anti-rotation mechanism - Google Patents
Anti-rotation mechanism Download PDFInfo
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- CN213004792U CN213004792U CN202021197586.2U CN202021197586U CN213004792U CN 213004792 U CN213004792 U CN 213004792U CN 202021197586 U CN202021197586 U CN 202021197586U CN 213004792 U CN213004792 U CN 213004792U
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- rod body
- rod
- claw
- rotation mechanism
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Abstract
The utility model discloses an anti-rotation mechanism, which comprises a mounting seat, wherein a clamping component, a driving component, a guiding component and a pressing component are arranged on the mounting seat, and the clamping component comprises a first claw body and a second claw body; the driving assembly comprises a first driving source, a fixed seat, a first rod body, a second rod body and a third rod body, the center of the first rod body is connected with a rotating shaft of the fixed seat, the first rod body comprises a first end and a second end which are symmetrically arranged relative to the first rod body, one end of the second rod body is connected with a rotating shaft of the first end of the first rod body, the other end of the second rod body is connected with a rotating shaft of a first claw body, one end of the third rod body is connected with a rotating shaft of the second end of the first rod body, the other end of the third rod body is connected with a rotating shaft of the second claw body, and the first driving source drives the first claw body to move so as to drive the first claw body and the second claw body to open and. The workpiece can be embraced, the workpiece is prevented from rotating in the machining process, compatibility is good, and stability is good.
Description
Technical Field
The utility model relates to a mechanical clamping technical field, concretely relates to prevent changeing mechanism.
Background
At present, workpieces, especially cylindrical workpieces, are easy to rotate in the production and machining process, so that machining accuracy is affected, and a common clamping mechanism is unstable in clamping and affects yield.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an prevent changeing mechanism, it can the cohesion work piece, prevents that the work piece from rotating in the course of working, and is compatible good, and stability is good.
In order to solve the technical problem, the utility model provides an prevent changeing mechanism, which comprises a mounting base, be provided with on the mount pad:
a clamping assembly comprising a first jaw body and a second jaw body;
the driving assembly comprises a first driving source, a fixed seat, a first rod body, a second rod body and a third rod body, the center of the first rod body is connected with the rotating shaft of the fixed seat, the first rod body comprises a first end and a second end which are symmetrically arranged relative to the first rod body,
one end of the second rod body is connected with a first end rotating shaft of the first rod body, the other end of the second rod body is connected with a first claw body rotating shaft, one end of the third rod body is connected with a second end rotating shaft of the first rod body, the other end of the third rod body is connected with a second claw body rotating shaft, and the first driving source drives the first claw body to move so as to drive the first claw body and the second claw body to open and close;
the guide assembly can enable the moving directions of the first claw body and the second claw body to be on the same straight line;
and the pressing component is arranged on the first claw body and the second claw body and comprises a first pressing block and a second pressing block which are arranged at an obtuse angle to press the workpiece.
Preferably, the guide assembly comprises a first guide rail, a second guide rail, a first slider and a second slider, the first slider is arranged in a matching manner with the first guide rail, the second slider is arranged in a matching manner with the second guide rail, the first claw body is arranged on the first slider, the second claw body is arranged on the second slider, and the first guide rail and the second guide rail are positioned on the same straight line.
Preferably, the first guide rail and the second guide rail are symmetrically arranged relative to the fixed seat.
Preferably, the first guide rails have two, two of the first guide rails are arranged in parallel, and the second guide rails have two, two of the second guide rails are arranged in parallel.
Preferably, the second rod and the third rod are arranged symmetrically with respect to the center of the first rod.
Preferably, the first driving source is a cylinder.
Preferably, the horizontal moving component is arranged on the lower side of the mounting seat to drive the mounting seat to move horizontally.
Preferably, the horizontal movement assembly includes a second driving source and a third guide rail, the mounting base is disposed in cooperation with the third guide rail and can move along the third guide rail, and the second driving source drives the mounting base to move along the third guide rail.
Preferably, the second driving source is a cylinder.
Preferably, the pressing surface of the first pressing block and the pressing surface of the second pressing block form an angle of 140 °.
The utility model has the advantages that:
1. the utility model discloses in, the first claw body motion of first driving source drive, the second body of rod moves promptly, and under the drive of the second body of rod, the third body of rod rotation can be realized to the first body of rod rotates to realize the second claw body motion, so, through single driving source, can realize first claw body and the synchronous motion of second claw body, compact structure, convenient and practical.
2. The utility model discloses in be provided with and support the pressure subassembly, support the pressure subassembly and include first briquetting and second briquetting, first briquetting and second briquetting are the obtuse angle setting in order to support the pressure work piece, owing to support the existence of pressing the subassembly, can the cohesion work piece, prevent that the work piece from rotating in the course of working, and make this prevent that the favourable compatibility has of favourable compatibility of favourable external diameter, can cohesion work piece of different external diameters, stability is good.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 in area A;
fig. 3 is a second structural schematic view of the present invention, which hides the second claw body, the first rod body, the second rod body and the third rod body;
FIG. 4 is an enlarged view of a portion of FIG. 3 in area B;
fig. 5 is a partial enlarged view of fig. 3 in the area C.
The reference numbers in the figures illustrate: 10. a mounting seat; 20. a first guide rail; 21. a second guide rail; 22. a first slider; 23. a second slider; 30. a first drive source; 40. a first jaw body; 41. a second jaw body; 50. a fixed seat; 51. a first rod body; 52. a second rod body; 53. a third rod body; 60. a base; 61. a second drive source; 62. a third guide rail.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1-5, the utility model discloses an anti-rotation mechanism, which comprises a mounting base 10, wherein a clamping component, a driving component, a guiding component and a pressing component are arranged on the mounting base 10.
The clamping assembly comprises a first claw body 40 and a second claw body 41, and the clamping and fixing of the workpiece can be realized through the matching of the first claw body 40 and the second claw body 41.
The driving assembly includes a first driving source 30, a fixing base 50, a first rod 51, a second rod 52 and a third rod 53, wherein the center of the first rod 51 is connected to the fixing base 50 through a rotating shaft, and the first rod 51 includes a first end and a second end symmetrically disposed with respect to the first rod 51. One end of the second rod 52 is connected to the first end of the first rod 51, the other end of the second rod 52 is connected to the first claw 40, one end of the third rod 53 is connected to the second end of the first rod 51, the other end of the third rod 53 is connected to the second claw 41, and the first driving source 30 drives the first claw 40 to move to drive the first claw 40 and the second claw 41 to open and close. Due to the arrangement of the first rod 51, the second rod 52 and the third rod 53, when the first driving source 30 drives the first claw body 40 to move, the first claw body 40 and the second claw body 41 can move relatively under the action of the link mechanism.
The guide assembly can enable the moving directions of the first claw body 40 and the second claw body 41 to be on the same straight line, namely, the movement of the first claw body 40 and the second claw body 41 is limited.
The pressing component is arranged on the first claw body 40 and the second claw body 41 and comprises a first pressing block and a second pressing block, and the first pressing block and the second pressing block are arranged at an obtuse angle to press a workpiece. Because support the existence of pressing the subassembly, the utility model provides an prevent that favourable turn constructs can the cohesion work piece, prevent that the work piece from rotating in the course of working.
The abutting surface of the first abutting block and the abutting surface of the second abutting block form 140 degrees, so that the workpiece can be matched with workpieces with different outer diameters.
The utility model discloses a theory of operation is: the first claw body 40 is driven by the first driving source 30 to move, the second rod body 52 moves, the first rod body 51 rotates under the driving of the second rod body 52, the third rod body 53 can rotate, and therefore the second claw body 41 moves, therefore, the first claw body 40 and the second claw body 41 can move synchronously through a single driving source, and the structure is compact, convenient and practical.
The guide assembly comprises a first guide rail 20, a second guide rail 21, a first sliding block 22 and a second sliding block 23, the first sliding block 22 is arranged in a matched mode with the first guide rail 20, the second sliding block 23 is arranged in a matched mode with the second guide rail 21, a first claw body 40 is installed on the first sliding block 22, a second claw body 41 is installed on the second sliding block 23, and the first guide rail 20 and the second guide rail 21 are located on the same straight line.
The first rail 20 and the second rail 21 are symmetrically disposed with respect to the holder 50. The first rails 20 have two, and the two first rails 20 are arranged in parallel, and the second rails 21 have two, and the two second rails 21 are arranged in parallel.
The second rod 52 and the third rod 53 are arranged symmetrically with respect to the center of the first rod 51. Through the structural design of central symmetry, the structural stability of the anti-rotation mechanism can be improved.
The first driving source 30 is an oil cylinder or an air cylinder.
The utility model discloses still include the horizontal migration subassembly, the horizontal migration subassembly is located the downside of mount pad 10 in order to drive mount pad 10 horizontal migration.
The horizontal moving assembly comprises a second driving source 61 and a third guide rail 62, the mounting base 10 is matched with the third guide rail 62 and can move along the third guide rail 62, and the second driving source 61 drives the mounting base 10 to move along the third guide rail 62. The second driving source 61 is a cylinder.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The utility model provides an prevent changeing mechanism which characterized in that, includes the mount pad, be provided with on the mount pad:
a clamping assembly comprising a first jaw body and a second jaw body;
the driving assembly comprises a first driving source, a fixed seat, a first rod body, a second rod body and a third rod body, the center of the first rod body is connected with the rotating shaft of the fixed seat, the first rod body comprises a first end and a second end which are symmetrically arranged relative to the first rod body,
one end of the second rod body is connected with a first end rotating shaft of the first rod body, the other end of the second rod body is connected with a first claw body rotating shaft, one end of the third rod body is connected with a second end rotating shaft of the first rod body, the other end of the third rod body is connected with a second claw body rotating shaft, and the first driving source drives the first claw body to move so as to drive the first claw body and the second claw body to open and close;
the guide assembly can enable the moving directions of the first claw body and the second claw body to be on the same straight line;
and the pressing component is arranged on the first claw body and the second claw body and comprises a first pressing block and a second pressing block which are arranged at an obtuse angle to press the workpiece.
2. An anti-rotation mechanism according to claim 1, wherein the guide assembly includes a first rail, a second rail, a first slider and a second slider, the first slider is disposed in cooperation with the first rail, the second slider is disposed in cooperation with the second rail, the first claw is mounted on the first slider, the second claw is mounted on the second slider, and the first rail and the second rail are located on the same straight line.
3. An anti-rotation mechanism according to claim 2, wherein the first and second rails are symmetrically disposed with respect to the holder.
4. An anti-rotation mechanism according to claim 2, wherein the first guide rails have two, two of the first guide rails are arranged in parallel, and the second guide rails have two, two of the second guide rails are arranged in parallel.
5. An anti-rotation mechanism according to claim 1, wherein the second rod and the third rod are arranged symmetrically with respect to the center of the first rod.
6. An anti-rotation mechanism according to claim 1, wherein the first drive source is an oil cylinder.
7. An anti-rotation mechanism according to claim 1, further comprising a horizontal movement component located on the underside of the mounting block to move the mounting block horizontally.
8. An anti-rotation mechanism according to claim 7, wherein the horizontal movement assembly includes a second drive source and a third guide rail, the mount is provided in cooperation with the third guide rail and is movable along the third guide rail, and the second drive source drives the mount to move along the third guide rail.
9. An anti-rotation mechanism according to claim 8, wherein the second drive source is an oil cylinder.
10. An anti-rotation mechanism according to claim 8, wherein the abutting surface of the first abutting block is 140 ° to the abutting surface of the second abutting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197586.2U CN213004792U (en) | 2020-06-24 | 2020-06-24 | Anti-rotation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197586.2U CN213004792U (en) | 2020-06-24 | 2020-06-24 | Anti-rotation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213004792U true CN213004792U (en) | 2021-04-20 |
Family
ID=75497144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021197586.2U Active CN213004792U (en) | 2020-06-24 | 2020-06-24 | Anti-rotation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213004792U (en) |
-
2020
- 2020-06-24 CN CN202021197586.2U patent/CN213004792U/en active Active
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