CN220613259U - Indexing positioning mechanism - Google Patents
Indexing positioning mechanism Download PDFInfo
- Publication number
- CN220613259U CN220613259U CN202322298098.0U CN202322298098U CN220613259U CN 220613259 U CN220613259 U CN 220613259U CN 202322298098 U CN202322298098 U CN 202322298098U CN 220613259 U CN220613259 U CN 220613259U
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- positioning cam
- positioning
- lock tongue
- cam
- spring bolt
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- 238000003825 pressing Methods 0.000 claims description 14
- 238000003754 machining Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model belongs to the technical field of machining positioning tools, and particularly relates to an indexing positioning mechanism which comprises a fixed seat, an elastic piece, a lock tongue and a positioning cam, wherein the elastic piece is arranged in the fixed seat, one end of the lock tongue is connected with the end part of the elastic piece, the positioning cam is arranged at the other end of a stop block, a plurality of clamping grooves are formed in the periphery of the positioning cam, the end part of the lock tongue is clamped in the clamping grooves, and a rotary connecting hole is formed in the positioning cam. The spring bolt is connected at the tip of elastic component, and the other end of spring bolt sets up positioning cam, and positioning cam connects the pivot, and when the pivot rotated, positioning cam also rotated, and the draw-in groove is processed at positioning cam's periphery according to required turned angle, after turning to certain angle, and the spring bolt can block the effect that plays the location in the draw-in groove that corresponds, does not need to measure turned angle repeatedly, convenient to use has improved the machining efficiency of work piece.
Description
Technical Field
The utility model belongs to the technical field of machining positioning tools, and particularly relates to an indexing positioning mechanism.
Background
In the machining process of mechanical workpieces, many workpieces need to be rotated by a preset angle for further machining, during rotation, the workpieces are usually manually held to be directly rotated, but the accuracy is low during manual rotation, so that the subsequent machining of the workpieces has a certain error, the quality of the workpieces is affected, the time required for manual rotation to calibrate is long, the production and machining efficiency of the workpieces is underground, and therefore an indexing positioning mechanism is needed to solve the problem of positioning of the workpieces during rotation.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides an indexing positioning mechanism which solves the problem of rotation precision during workpiece processing and improves the production and processing efficiency.
The technical scheme adopted by the utility model for realizing the purposes is as follows: the utility model provides an indexing positioning mechanism, includes fixing base, elastic component, spring bolt and positioning cam, and the elastic component is installed in the fixing base, the one end of spring bolt is connected the tip of elastic component, positioning cam sets up the other end at the dog the periphery of positioning cam is provided with a plurality of draw-in grooves, the tip card of spring bolt is established in the draw-in groove, be provided with on the positioning cam and rotate the connecting hole.
Preferably, a plurality of bulges are arranged on the circumference of the positioning cam, each bulge is provided with a downward pressing inclined plane and a limiting table top, and the limiting table top is connected with the downward pressing inclined plane and the circumferential surface of the positioning cam.
Preferably, the limiting table top is arranged along the radial direction of the positioning cam.
Preferably, the pressing inclined plane is an arc surface.
Preferably, the end part of the lock tongue is provided with an arc surface, and the arc surface is arranged towards the downward pressing inclined surface.
Preferably, the elastic member is a spring.
Preferably, the rotation connecting hole is a rectangular hole.
Compared with the prior art, the technical scheme has the following beneficial effects: the spring bolt is connected at the tip of elastic component, and the other end of spring bolt sets up positioning cam, and positioning cam connects the pivot, and when the pivot rotated, positioning cam also rotated, and the draw-in groove is processed at positioning cam's periphery according to required turned angle, after turning to certain angle, and the spring bolt can block the effect that plays the location in the draw-in groove that corresponds, does not need to measure turned angle repeatedly, convenient to use has improved the machining efficiency of work piece.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the positioning cam.
Fig. 3 is a schematic diagram of the application of the present utility model.
Wherein: 1. fixing base 2, spring bolt 3, spring 4, positioning cam 401, push down inclined plane 402, spacing mesa 403, pivot connecting hole 5, axle 6, lock nut 7, mounting hole 8, draw-in groove.
Detailed Description
Fig. 1 to 3 are preferred embodiments of the present utility model, and the present utility model is further described with reference to fig. 1 to 3.
As shown in fig. 1, the indexing positioning mechanism comprises a fixed seat 1, an elastic piece, a lock tongue 2 and a positioning cam 4, wherein the elastic piece is arranged in the fixed seat 1, one end of the lock tongue 2 is connected to the end part of the elastic piece, the positioning cam 4 is arranged at the other end of the lock tongue 2, a plurality of clamping grooves 8 are formed in the periphery of the positioning cam 4, the end part of the lock tongue 2 is clamped in the clamping grooves 8, a rotating connecting hole 403 is formed in the positioning cam 4, the positioning cam 4 is connected with a rotating shaft, when the rotating shaft rotates, the positioning cam 4 also rotates, the clamping grooves 8 are processed at the periphery of the positioning cam 4 according to a required rotating angle, after the rotating angle is reached, the lock tongue 2 can be clamped in the corresponding clamping grooves 8 to play a role in positioning, repeated measurement of the rotating angle is not needed, the use is convenient, and the processing efficiency of a workpiece is improved.
In this embodiment, the positioning cam 4 is disposed above the fixing base 1, a mounting groove is disposed on the fixing base 1, the elastic member is mounted in the mounting groove of the fixing base 1, the lock tongue 2 is connected at the upper end of the elastic member, the elastic member in this embodiment is a spring 3, in other embodiments, a rubber block can be adopted, the lower end of the lock tongue 2 is disposed in the mounting groove of the fixing base 1, the upper end of the lock tongue 2 is higher than the fixing base 1, the positioning cam 4 is disposed above the lock tongue 2, the upper end of the lock tongue 2 is propped against the positioning cam 4, when the positioning cam 4 rotates to the clamping groove 8, the upper side of the lock tongue 2 is clamped in the clamping groove 8, and the lock tongue 2 needs to be pressed down when rotating again, so that the lock tongue 2 rotates out from the clamping groove 8.
As shown in fig. 2, the clamping groove 8 is in a V-shape, so that the lock tongue 2 can conveniently rotate out of the clamping groove 8, the clamping groove 8 is arranged according to the angle required to be processed, 4 clamping grooves 8 in the embodiment are uniformly arranged, each rotation angle is 90 degrees, a plurality of protrusions are arranged on the circumference of the positioning cam 4, each protrusion is provided with a pressing inclined plane 401 and a limiting table surface 402, the limiting table surface 402 is connected with the pressing inclined plane 401 and the circumferential surface of the positioning cam 4, the inclination directions of the pressing inclined planes 401 are the same, the pressing inclined planes 401 are arc surfaces, the end part of the lock tongue 2 is provided with arc surfaces, the arc surfaces are arranged towards the pressing inclined planes 401, and the resistance is smaller when the lock tongue rotates out of the clamping groove 8; the limiting table top 402 is arranged along the radial direction of the positioning cam 4, so that when the upper end of the lock tongue 2 is clamped into one clamping groove 8, the opposite side of the arc surface of the lock tongue 2 can be clamped on the limiting table top 402, so that the lock tongue 2 can not rotate back any more, and the positioning cam 4 can only rotate towards one direction.
As shown in fig. 3, the rotation connection hole 403 is a rectangular hole, one end of the shaft 5 passes through the rotation connection hole 403, the shaft 5 is fixed by the lock nut 6, the positioning cam 4 is rotated by the rotation shaft 5, the fixing base 1 is further provided with a mounting hole 7, and the mounting hole 7 can be used for mounting on equipment to be positioned.
When the utility model is used, the shaft 5 rotates to enable the positioning cam 4 to rotate, when the positioning cam rotates to the clamping groove 8, the spring force of the spring 3 pushes the lock tongue 2, the lock tongue 2 is clamped in the clamping groove 8, the lock tongue 2 is clamped at one side of the limiting convex surface 402, the positioning cam 4 reversely rotates, after the angle processing is finished, the shaft 5 is rotated again, and the lock tongue 2 rotates out of the clamping groove 8 from the downward-pressing inclined surface 401 until the lock tongue 2 is clamped in the next clamping groove 8, and the lock tongue is processed again.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims (7)
1. An indexing positioning mechanism, characterized in that: including fixing base (1), elastic component, spring bolt (2) and positioning cam (4), the elastic component is installed in fixing base (1), the one end of spring bolt (2) is connected the tip of elastic component, positioning cam (4) set up the other end at spring bolt (2) the periphery of positioning cam (4) is provided with a plurality of draw-in grooves (8), the tip card of spring bolt (2) is established in draw-in groove (8), be provided with on positioning cam (4) and rotate connecting hole (403).
2. An indexing positioning mechanism according to claim 1, wherein: the circumference of the positioning cam (4) is provided with a plurality of bulges, each bulge is provided with a pressing inclined plane (401) and a limiting table board (402), and the limiting table boards (402) are connected with the circumferential surfaces of the pressing inclined planes (401) and the positioning cam (4).
3. An indexing positioning mechanism according to claim 2, wherein: the limiting table top (402) is arranged along the radial direction of the positioning cam (4).
4. An indexing positioning mechanism according to claim 2, wherein: the pressing inclined surface (401) is an arc surface.
5. An indexing positioning mechanism according to claim 2, wherein: the end part of the lock tongue (2) is provided with an arc surface, and the arc surface is arranged towards the downward pressing inclined surface (401).
6. An indexing positioning mechanism according to claim 1, wherein: the elastic piece is a spring (3).
7. An indexing positioning mechanism according to claim 1, wherein: the rotary connecting hole (403) is a rectangular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322298098.0U CN220613259U (en) | 2023-08-25 | 2023-08-25 | Indexing positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322298098.0U CN220613259U (en) | 2023-08-25 | 2023-08-25 | Indexing positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220613259U true CN220613259U (en) | 2024-03-19 |
Family
ID=90228750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322298098.0U Active CN220613259U (en) | 2023-08-25 | 2023-08-25 | Indexing positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220613259U (en) |
-
2023
- 2023-08-25 CN CN202322298098.0U patent/CN220613259U/en active Active
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