CN212444912U - Clamp capable of adjusting clamping angle - Google Patents
Clamp capable of adjusting clamping angle Download PDFInfo
- Publication number
- CN212444912U CN212444912U CN202021069902.8U CN202021069902U CN212444912U CN 212444912 U CN212444912 U CN 212444912U CN 202021069902 U CN202021069902 U CN 202021069902U CN 212444912 U CN212444912 U CN 212444912U
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- Prior art keywords
- limiting
- sleeve
- shaft
- fixed
- sleeve shaft
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 230000004323 axial length Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a clamp capable of adjusting a clamping angle, which comprises a base, a fixed shaft, a first sleeve shaft, a second sleeve shaft and a clamp body; the fixed shaft is vertically fixed on the base; the first sleeve shaft is rotatably sleeved at the bottom of the fixed shaft and is positioned above the base; the second sleeve shaft is fixed at the top of the fixed shaft; the clamp body is fixed at the bottom of the first sleeve shaft and extends to the outer side of the base; the peripheral surface of the first sleeve shaft is provided with a plurality of first limiting edges extending along the axial direction of the first sleeve shaft; the peripheral surface of the second sleeve shaft is provided with a second limiting edge; the outer sides of the first limiting edge and the second limiting edge are sleeved with limiting sleeves; the limiting sleeve can ascend and descend along the first limiting edge and the second limiting edge; the change of workpiece clamping angle is realized by rotating the first sleeve shaft, the first sleeve shaft is fixed by utilizing the limiting sleeve, the clamp clamping angle can be adjusted by changing the number of the first limiting edges, and the adjustment accuracy is realized.
Description
Technical Field
The utility model relates to a technical field of anchor clamps especially relates to an anchor clamps of adjustable clamping angle.
Background
With the continuous development of the machining industry, the use frequency of the clamp is higher and higher; in the course of working, need change the angle of processing of work piece sometimes, realize the processing demand different to the work piece, because the work piece has already been fixed on anchor clamps this moment, just need take off the work piece for angle adjustment, rotate to carry out the secondary clamping after certain angle, this kind of clamping leads to staff work efficiency to slow and to the rotation angle accuracy nature of work piece not enough to influence the processingquality of product.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves is: the clamp capable of adjusting the clamping angle is simple to operate and accurate in rotation angle.
In order to solve the main technical problems, the following technical scheme is adopted:
a clamp capable of adjusting a clamping angle comprises a base, a fixed shaft, a first sleeve shaft, a second sleeve shaft and a clamp body; the fixed shaft is vertically fixed on the base; the first sleeve shaft is rotatably sleeved at the bottom of the fixed shaft and is positioned above the base; the second sleeve shaft is fixed at the top of the fixed shaft; the clamp body is fixed at the bottom of the first sleeve shaft and extends to the outer side of the base; the outer peripheral surface of the first sleeve shaft is provided with a plurality of first limiting edges extending along the axial direction of the first sleeve shaft; the outer peripheral surface of the second sleeve shaft is provided with a second limiting edge which is completely overlapped with the first limiting edge after being vertically translated; the outer sides of the first limiting edge and the second limiting edge are sleeved with limiting sleeves; the limiting sleeve can lift along the length direction of the first limiting edge and the second limiting edge.
Preferably, the inner side of the limiting sleeve is provided with a plurality of limiting grooves clamped with the first limiting edge and the second limiting edge.
Preferably, the included angle between two adjacent first limiting edges is equal to the rotating angle of the clamp body.
Preferably, a rotating disc is fixed at the bottom of the first sleeve shaft; the rotating disc is positioned above the base and can rotate relative to the base; the fixture body is fixed on the rotating disc.
Preferably, the clamp body comprises a connecting end for fixedly connecting with the rotating disc and a clamping end for fixing the workpiece.
Preferably, the connecting end is annular; the inner diameter of the connecting end is larger than or equal to the distance from the first limiting edge to the axis of the fixed shaft.
Preferably, the length of the second limiting edge is greater than or equal to the axial length of the limiting sleeve.
Preferably, the base is stepped; the lower part of the base is provided with a mounting hole.
Compared with the prior art, the utility model discloses be applied to fixture possesses following advantage:
the top of the fixed shaft is fixed with a second sleeve shaft, and the bottom of the fixed shaft is rotatably connected with a first sleeve shaft; the first sleeve shaft is provided with a first limiting edge, the first sleeve shaft is fixedly connected with the fixture body, the second sleeve shaft is provided with a second limiting edge, the limiting sleeve is sleeved on the outer sides of the first limiting edge and the second limiting edge and can slide back and forth along the length direction of the first limiting edge and the second limiting edge, when one end of the limiting sleeve is positioned at the first limiting edge and the other end of the limiting sleeve is positioned at the second limiting edge, the limiting sleeve fixes the first sleeve shaft and the second sleeve shaft into a whole, and the rotation of the fixture body is never inhibited; when the limiting sleeve moves upwards to be completely positioned on the outer side of the second limiting edge, the first sleeve shaft and the second sleeve shaft are not affected with each other, and the first sleeve shaft is rotated to realize rotation of the clamp body, namely, the clamping angle is changed; the included angle between the adjacent first limiting edges is equal to the angle of one-time rotation of the clamp body, so that the rotation angle of the clamp body can be accurately controlled according to the number and the distribution angle of the first limiting edges; the whole structure is simple, the operation is convenient, and the clamping angle is adjusted accurately.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.
Fig. 1 is a cross-sectional view of the overall structure of the working state of the clamp according to the embodiment of the present invention;
3 fig. 32 3 is 3 a 3 schematic 3 structural 3 diagram 3 of 3 a 3 cross 3 section 3 a 3- 3 a 3 in 3 fig. 31 3 according 3 to 3 an 3 embodiment 3 of 3 the 3 present 3 invention 3; 3
Fig. 3 is a cross-sectional view of the overall structure of the process of adjusting the clamping angle by the clamp according to the embodiment of the present invention;
fig. 4 is a schematic top view of a limiting sleeve according to an embodiment of the present invention.
In the figure: the fixture comprises a base 1, a mounting hole 101, a fixing shaft 2, a first sleeve shaft 3, a first limiting edge 31, a rotating disc 32, a second sleeve shaft 4, a second limiting edge 41, a fixture body 5, a connecting end 51, a clamping end 52, a limiting sleeve 6 and a limiting groove 61.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions.
Referring to fig. 1-4, a clamp capable of adjusting a clamping angle includes a base 1, a fixed shaft 2, a first sleeve shaft 3, a second sleeve shaft 4, and a clamp body 5; the base 1 is in a step shape with the upper cross section smaller than the lower cross section; the lower part of the base 1 is provided with a mounting hole 101, and the mounting hole 101 is used for fixing the base 1 on an operation platform; the axial direction of the fixed shaft 2 is vertical to the upper surface of the base 1, and the fixed shaft 2 and the base 1 are integrally formed or welded and fixed; the first sleeve shaft 3 is rotatably connected to the bottom of the fixed shaft 2 through a bearing; the second sleeve shaft 4 is welded or fixed on the top of the fixed shaft 2 through a fastener; a rotating disc 32 is fixed at the bottom of the first sleeve shaft 3; the rotating disc 32 is integrally formed with the first sleeve shaft 3 or fixedly connected with a fastener, the rotating disc 32 is located above the base 1 and can rotate on the horizontal plane relative to the base 1, in order to ensure the overall connection strength of the rotating disc 32, the opposite surfaces of the rotating disc 32 and the base 1 can be provided with an annular slide rail and an annular slide block, and the annular slide block can move relative to the annular slide rail (not shown in the figure).
The clamp body 5 comprises a connecting end 51 and a clamping end 52; the connecting end 51 and the clamping end 52 are of an integrally formed structure, the connecting end 51 is annular, the connecting end 51 is sleeved on the outer side of the fixed shaft 2 and is fixed on the rotating disc 32 through a fastener, the clamping end 52 is used for clamping a workpiece, and the annular inner diameter of the connecting end 51 is larger than the outer diameter of the fixed shaft 2; the clamping part of the clamping end 52 extends to exceed the periphery of the base 1; the jig body 5 rotates in synchronization with the rotation of the rotary disk 32, and the rotary disk 32 rotates in synchronization with the rotation of the first quill 3.
A plurality of first limiting edges 31 are arranged on the outer peripheral surface of the first sleeve shaft 3, the length direction of each first limiting edge 31 is parallel to the axis of the first sleeve shaft 3, and one end of each first limiting edge 31 extends to the topmost end surface of the first sleeve shaft 3 from the surface of the rotating disc 32; the outer peripheral surface of the second sleeve shaft 4 is also provided with a plurality of second limiting edges 41, the length directions of the second limiting edges 41 are parallel to the axis of the second sleeve, the first limiting edges 31 correspond to the second limiting edges 41 one by one, each first limiting edge 31 can coincide with the second limiting edge 41 after translating upwards, the included angle between every two adjacent first limiting edges 31 is equal to the angle of one-time rotation of the fixture body 5, the included angle between every two adjacent first limiting edges 31 is controlled by controlling the number of the first limiting edges 31, and therefore the rotation angle of the fixture body 5 is conveniently and accurately controlled, namely when the fixture body is observed at the same position, the first limiting edges 31 which rotate and face an observer enable the adjacent first limiting edges 31 to face the observer, and at the moment, the fixture body 5 rotates the angle of the included angle between every two adjacent first limiting edges 31.
The peripheries of the first limiting edge 31 and the second limiting edge 41 are sleeved with limiting sleeves 6, and limiting grooves 61 which correspond to the first limiting edges 31 one by one are formed in the inner sides of the limiting sleeves 6; the limiting sleeve 6 can move up and down along the first limiting edge 31 and the second limiting edge 41; the axial length of the limiting sleeve 6 is greater than that of the first limiting edge 31; the limiting sleeve 6 can fasten the first sleeve shaft 3 and the second sleeve shaft 4 into a whole, and the second sleeve shaft 4 is fixed relative to the base 1, so that when the limiting sleeve 6 fixes the first sleeve shaft 3 and the second sleeve shaft into a whole, the first sleeve shaft 3 cannot rotate relative to the base 1; when the limiting sleeve 6 moves upwards to a position where the limiting sleeve 6 does not cover the outer side of the first limiting edge 31, the limiting sleeve 6 does not limit the rotation of the first sleeve shaft 3, so that the first sleeve shaft 3 is rotated to realize the rotation of the clamp body 5, and when the limiting sleeve 6 rotates to a required position, the limiting sleeve 6 is lowered again to be clamped with the first limiting edge 31 to realize the fixation of the first sleeve shaft 3 and the second sleeve shaft 4, namely the locking of the clamp body 5 is realized; in order to ensure the connection strength of the limiting sleeve 6 and the second sleeve shaft 4 when the limiting sleeve is completely positioned on the second sleeve shaft, the length of the second limiting edge 41 is greater than or equal to the axial length of the limiting sleeve 6.
Because the first limiting edge 31 exists, the inner diameter of the connecting end 51 of the clamp body 5 is larger than or equal to the distance from the first limiting edge 31 to the axis of the fixed shaft 2, and the optimal choice is that the inner diameter of the connecting end 51 of the clamp body 5 is larger than the outer diameter of the limiting sleeve 6.
The utility model discloses a working process does: clamping a workpiece at the clamping end 52 of the clamping body, and when the clamping angle of the clamp body 5 needs to be changed, sliding the limiting sleeve 6 upwards until the limiting sleeve 6 is completely positioned at the second limiting edge 41 of the second sleeve shaft 4; then rotate first sleeve shaft 3 to the assigned position to the assigned direction, move down spacing sleeve 6 at last and make spacing sleeve 6 cover in the outside of first sleeve shaft 3 and second sleeve shaft 4, can accomplish the clamping angular adjustment to anchor clamps body 5.
It should be noted that, in the present invention, "upper, lower, left, right, inner and outer" are defined based on the relative position of the components in the drawings, and are only for the clarity and convenience of describing the technical solution, it should be understood that the application of the directional terms does not limit the protection scope of the present application.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or some of the technical features may be substituted by equivalent substitutions, modifications and the like, all of which are within the spirit and principle of the present invention.
Claims (8)
1. The utility model provides an anchor clamps of adjustable clamping angle which characterized in that: the clamp comprises a base, a fixed shaft, a first sleeve shaft, a second sleeve shaft and a clamp body; the fixed shaft is vertically fixed on the base; the first sleeve shaft is rotatably sleeved at the bottom of the fixed shaft and is positioned above the base; the second sleeve shaft is fixed at the top of the fixed shaft; the clamp body is fixed at the bottom of the first sleeve shaft and extends to the outer side of the base; the outer peripheral surface of the first sleeve shaft is provided with a plurality of first limiting edges extending along the axial direction of the first sleeve shaft; the outer peripheral surface of the second sleeve shaft is provided with a second limiting edge which is completely overlapped with the first limiting edge after being vertically translated; the outer sides of the first limiting edge and the second limiting edge are sleeved with limiting sleeves; the limiting sleeve can lift along the length direction of the first limiting edge and the second limiting edge.
2. The clamp capable of adjusting the clamping angle according to claim 1, wherein: the inner side of the limiting sleeve is provided with a plurality of limiting grooves clamped with the first limiting edges and the second limiting edges.
3. The clamp capable of adjusting the clamping angle according to claim 1, wherein: and the included angle between every two adjacent first limiting edges is equal to the rotating angle of the clamp body.
4. The clamp capable of adjusting the clamping angle according to claim 1, wherein: a rotating disc is fixed at the bottom of the first sleeve shaft; the rotating disc is positioned above the base and can rotate relative to the base; the fixture body is fixed on the rotating disc.
5. The clamp capable of adjusting the clamping angle according to claim 4, wherein: the fixture body comprises a connecting end and a clamping end, wherein the connecting end is used for being fixedly connected with the rotating disc, and the clamping end is used for fixing a workpiece.
6. The clamp capable of adjusting the clamping angle according to claim 5, wherein: the connecting end is annular; the inner diameter of the connecting end is larger than or equal to the distance from the first limiting edge to the axis of the fixed shaft.
7. The clamp capable of adjusting the clamping angle according to claim 1, wherein: the length of the second limiting edge is greater than or equal to the axial length of the limiting sleeve.
8. The clamp capable of adjusting the clamping angle according to claim 1, wherein: the base is stepped; the lower part of the base is provided with a mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021069902.8U CN212444912U (en) | 2020-06-11 | 2020-06-11 | Clamp capable of adjusting clamping angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021069902.8U CN212444912U (en) | 2020-06-11 | 2020-06-11 | Clamp capable of adjusting clamping angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212444912U true CN212444912U (en) | 2021-02-02 |
Family
ID=74491894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021069902.8U Expired - Fee Related CN212444912U (en) | 2020-06-11 | 2020-06-11 | Clamp capable of adjusting clamping angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212444912U (en) |
-
2020
- 2020-06-11 CN CN202021069902.8U patent/CN212444912U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210202 |