CN217097241U - Automatic bar clamping mechanism - Google Patents
Automatic bar clamping mechanism Download PDFInfo
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- CN217097241U CN217097241U CN202220387066.0U CN202220387066U CN217097241U CN 217097241 U CN217097241 U CN 217097241U CN 202220387066 U CN202220387066 U CN 202220387066U CN 217097241 U CN217097241 U CN 217097241U
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- clamping part
- clamping
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- base
- automatic bar
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Abstract
The utility model provides an automatic bar clamping mechanism, including main part, first clamping part, second clamping part and third clamping part, first base member and second base member can rotate relatively, first clamping part, second clamping part and third clamping part along the circumference interval arrangement of main part, first clamping part, second clamping part and third clamping part articulate respectively on first base member, the first end of first clamping part, second clamping part and third clamping part is articulated respectively on the second base member, the second end of first clamping part and second clamping part is connected with a butt post respectively; the elastic piece drives the first base body and the second base body to rotate relatively so that the two abutting columns are close to the abutting faces to clamp the bar. Relative rotation between first base member and the second base member can drive first clamping part, second clamping part and the automatic centre gripping of third clamping part on the rod to the butt post of scalable regulation can the different diameter size's of adaptation rod.
Description
Technical Field
The utility model relates to an automatic fixture of rod.
Background
A grinding machine is a machine tool that grinds the surface of a workpiece using a grinding tool. The grinding machine comprises a power source, a mechanical shaft and a grinding wheel, wherein the mechanical shaft is connected between the power source and the grinding wheel. In the grinding process, need carry out the centre gripping to the both ends of rod, general anchor clamps are all through the clamping jaw of manual regulation to the rod along three points of circumference interval press from both sides the top, when changing the rod at every turn, all need manually take off the rod and place new rod on anchor clamps again, all will readjust complex operation at every turn.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the above-mentioned prior art, provide an automatic fixture of rod.
In order to solve the technical problem, the utility model provides an automatic fixture of rod, including main part, first clamping part, second clamping part and third clamping part, the main part includes first base member and second base member, and first base member and second base member can rotate relatively, first clamping part, second clamping part and third clamping part along the circumference interval arrangement of main part, first clamping part, second clamping part and third clamping part articulate respectively on the first base member, the first end of first clamping part, second clamping part and third clamping part is the activity articulate respectively on the second base member, the second end of first clamping part and second clamping part is connected with a scalable regulation butt post respectively, the second end of third clamping part still includes a butt face; still be connected with the elastic component between first base member and the second base member, the elastic component drives first base member and second base member rotate relatively in order to drive the second end orientation of first clamping part, second clamping part and third clamping part the axis of main part removes so that two butt posts are close to the butt face in order to press from both sides the rod.
In a more preferred embodiment, the second substrate is sleeved outside the first substrate.
In a preferred embodiment, the first ends of the first clamping portion, the second clamping portion and the third clamping portion respectively include a sliding groove extending toward the axis of the main body, and the second base includes a sliding block slidable in the sliding groove to realize the movable hinge.
In a preferred embodiment, the abutting column of the first clamping portion can be telescopically adjusted towards the abutting surface to define a clamping gap, and the abutting column of the second clamping portion can be telescopically adjusted towards the side of the clamping gap.
In a preferred embodiment, the first clamping portion and the second clamping portion are respectively connected to the abutment post by a screw thread, and the abutment post is further connected to a nut for adjusting the telescopic distance of the abutment post.
In a preferred embodiment, the first substrate further comprises a central channel for receiving a rod.
In a preferred embodiment, the first base or the second base can be driven to rotate relatively and move the second ends of the first clamping part, the second clamping part and the third clamping part away from the axis of the main body, and the elastic member accumulates a restoring force.
In a more preferred embodiment, the elastic member is a spring connected between the first base and the second base.
In a preferred embodiment, the first clamping portion, the second clamping portion and the third clamping portion are arranged at equal intervals along the circumferential direction of the main body.
Compared with the prior art, the technical scheme of the utility model possess following beneficial effect:
the utility model provides an automatic fixture of rod can realize the relative rotation between first base member and the second base member through the effect of elastic component to drive the automatic centre gripping of first clamping part, second clamping part and third clamping part on the rod, and scalable butt post of adjusting can the different diameter size's of adaptation rod.
Drawings
Fig. 1 is a schematic perspective view of an automatic bar clamping mechanism according to a preferred embodiment of the present invention;
fig. 2 is a schematic sectional view of a bar automatic clamping mechanism according to a preferred embodiment of the present invention;
fig. 3 is a schematic exploded perspective view of the automatic bar clamping mechanism according to the preferred embodiment of the present invention.
Detailed Description
The invention is further described with reference to the drawings and the detailed description.
Certain directional terms used hereinafter to describe the drawings, such as "inner", "outer", "above", "below", and other directional terms, will be understood to have their normal meaning and refer to those directions as they normally relate to when viewing the drawings. Unless otherwise indicated, the directional terms described herein are generally in accordance with conventional directions as understood by those skilled in the art.
The terms "first," "second," and the like as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
Referring to fig. 1-3, an automatic bar clamping mechanism includes a main body 1, a first clamping portion 21, a second clamping portion 22 and a third clamping portion 23, where the main body 1 includes a first substrate 11 and a second substrate 12, and the first substrate 11 is composed of a plurality of components, which is not related to the gist of the present invention and is not described herein again. The first base body 11 includes an intermediate passage 111, the intermediate passage 111 is disposed through the first base body 11, and the first base body 11 has a substantially cylindrical tubular shape. Referring to fig. 3, the second substrate 12 is sleeved outside the first substrate 11, the second substrate 12 is also composed of a plurality of components, which are not described herein again, the first substrate 11 and the second substrate 12 can rotate relatively, and an annular space 8 is further formed between the first substrate 11 and the second substrate 12.
The first clamping portion 21, the second clamping portion 22 and the third clamping portion 23 are arranged along the circumferential direction of the main body 1 at intervals, more specifically, the first clamping portion 21, the second clamping portion 22 and the third clamping portion 23 are arranged along the circumferential direction of the main body 1 at intervals, in this embodiment, the first clamping portion 21, the second clamping portion 22 and the third clamping portion 23 are connected to the end surface of the main body 1, the first clamping portion 21, the second clamping portion 22 and the third clamping portion 23 are respectively hinged to the first base body 11, and the middle portions of the first clamping portion 21, the second clamping portion 22 and the third clamping portion 23 are hinged to the first base body 11. First end of first clamping part 21, second clamping part 22 and third clamping part 23 activity hinge respectively on second base member 12, it is specific, first end of first clamping part 21, second clamping part 22 and third clamping part 23 includes a orientation respectively the sliding tray 3 that the axis of main part 1 extends, second base member 12 includes can slide sliding block 121 in the sliding tray, sliding block 121 slides in order to realize the activity hinge joint in the sliding tray 3.
The second ends of the first clamping portion 21 and the second clamping portion 22 are respectively connected with a telescopically adjustable abutting column 4, the second end of the third clamping portion 23 further comprises an abutting surface 5, and in this embodiment, the tail end of the abutting column 4 and the abutting surface 5 correspond to the middle channel 111.
Still be connected with elastic component 6 between first base member 11 and the second base member 12, elastic component 6 drives first base member 11 and second base member 12 rotate relatively in order to drive the second end orientation of first clamping part 21, second clamping part 22 and third clamping part 23 the axis of main part 1 removes so that two butt post 4 are close to butt face 5 in order to press from both sides the rod. In this embodiment, the elastic member 6 is a spring, the spring is arranged in the annular space 8, two ends of the spring are respectively connected to the first base 11 and the second base 12, and the spring respectively pulls the first base 11 and the second base 12 to rotate relatively to move the second ends of the first clamping portion 21, the second clamping portion 22 and the third clamping portion 23 towards the axis of the main body 1 to enable the two abutting columns 4 to approach the abutting surface 5 to clamp the bar.
In this embodiment, the abutment post 4 of the first clamping portion 21 can be telescopically adjusted towards the abutment surface 5 to define a clamping gap, and the abutment post 4 of the second clamping portion 22 can be telescopically adjusted towards the side of the clamping gap. Therefore, the first clamping portion 21, the second clamping portion and the third clamping portion 23 can be adapted to bars with different diameters and sizes, and the universality is high. In this embodiment, the first clamping portion 21 and the second clamping portion 22 are respectively connected to the abutment post 4 by threads, and the abutment post 4 is further connected to a nut for adjusting the telescopic distance of the abutment post 4.
The first base 11 or the second base 12 can be driven to rotate relatively and move the second ends of the first clamping part 21, the second clamping part 22 and the third clamping part 23 away from the axis of the main body 1, and the elastic member 6 accumulates a restoring force. The first substrate 11 and the second substrate 12 can be rotated relative to each other manually, or can be rotated by being driven by a power source, which is not described in detail herein.
In use, (1) the first base body 11 and the second base body 12 are relatively rotated, the sliding block 121 and the sliding groove 3 interact to enable the first clamping part 21, the second clamping part 22 and the second clamping part 22 to move the second ends of the first clamping part 21, the second clamping part 22 and the third clamping part 23 in a direction away from the axis of the main body 1 through rotation; (2) the bar passes through the middle channel 111, loosens the first base body 11 or the second base body 12, and the elastic member 6 drives the second ends of the first clamping portion 21, the second clamping portion 22 and the second clamping portion 22 to move toward the axis of the main body 1 so that the two abutting columns 4 are close to the abutting surface 5 to clamp the bar.
The above, only be the preferred embodiment of the present invention, but the design concept of the present invention is not limited to this, and any skilled person familiar with the technical field is in the technical scope disclosed in the present invention, and it is right to utilize this concept to perform insubstantial changes to the present invention, all belong to the act of infringing the protection scope of the present invention.
Claims (9)
1. An automatic bar clamping mechanism is characterized by comprising a main body, a first clamping part, a second clamping part and a third clamping part, wherein the main body comprises a first base body and a second base body which can relatively rotate, the first clamping part, the second clamping part and the third clamping part are arranged at intervals along the circumferential direction of the main body, the first clamping part, the second clamping part and the third clamping part are respectively hinged on the first base body, the first ends of the first clamping part, the second clamping part and the third clamping part are respectively and movably hinged on the second base body, the second ends of the first clamping part and the second clamping part are respectively connected with a telescopic abutting column, and the second end of the third clamping part further comprises an abutting surface; still be connected with the elastic component between first base member and the second base member, the elastic component drives first base member and second base member rotate relatively in order to drive the second end orientation of first clamping part, second clamping part and third clamping part the axis of main part removes so that two butt posts are close to the butt face in order to press from both sides the rod.
2. The automatic bar clamping mechanism of claim 1, wherein: the second substrate is sleeved outside the first substrate.
3. The automatic bar clamping mechanism of claim 2, wherein: the first end of first clamping part, second clamping part and third clamping part includes an orientation respectively the sliding tray that the axis of main part extends, the second base member is including can sliding block in the sliding tray, the sliding block slides in order to realize the activity articulated in the sliding tray.
4. The automatic bar clamping mechanism of claim 1, wherein: the butt column of the first clamping part can extend towards the butt surface to be adjusted so as to define a clamping gap, and the butt column of the second clamping part can extend towards the side edge of the clamping gap to be adjusted.
5. The automatic bar clamping mechanism of claim 4, wherein: the first clamping part and the second clamping part are respectively connected with the butt column through threads, and the butt column is further connected with a nut for adjusting the telescopic distance of the butt column.
6. The automatic bar clamping mechanism of claim 2, wherein: the first substrate further includes a central channel for receiving a rod.
7. The automatic bar clamping mechanism of claim 1, wherein: the first base body or the second base body can be driven to rotate relatively and enable the second ends of the first clamping portion, the second clamping portion and the third clamping portion to move away from the axis of the main body, and the elastic piece accumulates reset force.
8. The automatic bar clamping mechanism of claim 1, wherein: the elastic member is a spring connected between the first base and the second base.
9. The automatic bar clamping mechanism of claim 1, wherein: the first clamping part, the second clamping part and the third clamping part are arranged at equal intervals along the circumferential direction of the main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220387066.0U CN217097241U (en) | 2022-02-24 | 2022-02-24 | Automatic bar clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220387066.0U CN217097241U (en) | 2022-02-24 | 2022-02-24 | Automatic bar clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217097241U true CN217097241U (en) | 2022-08-02 |
Family
ID=82598971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220387066.0U Active CN217097241U (en) | 2022-02-24 | 2022-02-24 | Automatic bar clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217097241U (en) |
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2022
- 2022-02-24 CN CN202220387066.0U patent/CN217097241U/en active Active
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