CN211387717U - Work fixture - Google Patents
Work fixture Download PDFInfo
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- CN211387717U CN211387717U CN201922124114.8U CN201922124114U CN211387717U CN 211387717 U CN211387717 U CN 211387717U CN 201922124114 U CN201922124114 U CN 201922124114U CN 211387717 U CN211387717 U CN 211387717U
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Abstract
A tool clamp comprises a connecting plate; a transverse plate perpendicular to the end face of the connecting plate is also arranged at the geometric center of the end face of the connecting plate; the transverse plate is provided with a positioning hole for positioning a workpiece on the axis position of the end surface of the connecting plate; the locating pin comprises a large-diameter section and a small-diameter section, the small-diameter section penetrates through the transverse plate and the locating hole of the workpiece to achieve locating of the workpiece, the small-diameter section of the locating pin is provided with a blind hole, and threads matched with the pressing bolt are arranged in the blind hole. The adjustable bolt also comprises a joint plate and two adjusting bolts. After the workpiece rotates for a certain angle around the positioning pin due to the process requirement, when the axial lead of the workpiece is not perpendicular to the end face of the connecting plate, the adjusting plate and the two adjusting bolts can limit and clamp the workpiece. The utility model discloses can increase clamping rigidity and clamping efficiency, improve machining efficiency and processingquality.
Description
Technical Field
The utility model relates to a machining technical field, in particular to frock clamp.
Background
The special-shaped parts are common parts in the field of machinery, and the accurate and quick positioning of the special-shaped parts is an important means for improving the machining efficiency and reducing the machining cost. The traditional processing scheme adopts vertical lathe processing and clamps a workpiece by angle iron. The angle iron is provided with a positioning hole, and the workpiece is positioned by one plane and the inner hole of the angle iron. The positioning method has the advantages that the time for positioning the positioning hole is long when the workpiece is placed on the angle iron; meanwhile, the distance between the circle center of the lathe and the plane of the angle iron needs to be controlled, the center position of the positioning hole needs to be controlled, and a positioning program needs to be carried out on each workpiece during machining, so that time is consumed. During machining, only one surface of the angle iron is positioned, so that a workpiece is acted by a cutter during machining, the vibration is large, the tool consumption and the feeding speed are only reduced, and the machining efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a frock clamp.
The utility model aims at realizing through the following technical scheme:
the utility model provides a frock clamp which characterized in that: the connecting plate is characterized by comprising a connecting plate, a transverse plate perpendicular to the end face of the connecting plate is further arranged at the geometric center of the end face of the connecting plate, a positioning hole used for positioning a workpiece is formed in the position of an axis of the end face of the connecting plate, the connecting plate further comprises a positioning portion penetrating through the workpiece and the positioning hole, and a pressing portion used for pressing the positioning portion and the workpiece is arranged at the bottom of the positioning portion.
Further, the positioning part is a positioning pin.
Further, the pressing part comprises a pressing plate and a pressing bolt.
Furthermore, the locating pin includes major diameter section and path section, the path section passes the locating hole of diaphragm and work piece is in order to realize the location to the work piece, major diameter section and the contact of work piece surface are in order to realize the radial spacing to the work piece.
Furthermore, the small-diameter section of the positioning pin is provided with a blind hole, and threads matched with the compression bolt are arranged in the blind hole.
And the fastening device is used for limiting and fastening the workpiece when the axial lead of the workpiece is not perpendicular to the end face of the connecting plate after the workpiece rotates around the positioning pin due to process requirements.
Further, the fastening device comprises an adjusting plate and at least one adjusting bolt; the adjusting plate is arranged on the end face, close to the transverse plate, of the connecting plate and is perpendicular to the end face of the connecting plate; and the adjusting bolt penetrates through the adjusting plate and then fastens the workpiece.
The utility model has the advantages that:
the clamping rigidity and the clamping efficiency are increased, and the processing efficiency and the processing quality are improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the present invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic three-dimensional structure of the present invention;
fig. 2 is a plan projection view of the present invention;
fig. 3 is a sectional view a-a.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are for purposes of illustration only and are not intended to limit the scope of the present invention.
Fig. 1 is a schematic structural view of the present invention, and a tool clamp includes a connecting plate 1; a transverse plate 2 perpendicular to the end face of the connecting plate 1 is further arranged at the geometric center of the end face of the connecting plate 1; the transverse plate 2 is provided with a positioning hole for positioning the workpiece 4 on the axis position of the end surface of the connecting plate 1; the positioning device further comprises a positioning pin 8 penetrating through the workpiece 4 and the positioning hole, a pressing plate 7 and a pressing bolt 5 for pressing the positioning pin 8 and the workpiece 4 are arranged at the bottom of the positioning pin 8, and the pressing bolt of the embodiment is M20 in specification. The positioning pin 8 comprises a large-diameter section and a small-diameter section, the small-diameter section penetrates through the transverse plate 2 and the positioning hole of the workpiece 4 to position the workpiece 4, and the large-diameter section is in contact with the outer surface of the workpiece 4 to realize radial limiting of the workpiece 4.
The small-diameter section of the positioning pin 8 is provided with a blind hole, threads matched with the compression bolt 5 are arranged in the blind hole, the compression bolt 5 penetrates through the pressing plate 7 and then is screwed in the direction close to the workpiece 4, and the workpiece 4 is positioned and clamped by applying axial load to the pressing plate 7.
As a further preferable scheme, the present embodiment further comprises an adjusting plate 3 and two adjusting bolts 6. After the workpiece 4 rotates for a certain angle around the positioning pin 8 due to process requirements, and the axis of the workpiece 4 is not perpendicular to the end face of the connecting plate, the adjusting plate 3 and the two adjusting bolts 6 can limit and clamp the workpiece 4. The adjusting plate 3 is arranged on the end face of the connecting plate 1 close to the transverse plate 2, and the adjusting plate 3 is perpendicular to the end face of the connecting plate 1; the adjusting bolt 6 is screwed in a direction approaching the workpiece 4 after passing through the adjusting plate 3 to apply a radial load to the workpiece, thereby fastening the workpiece 4.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a frock clamp which characterized in that: the connecting plate is characterized by comprising a connecting plate, a transverse plate perpendicular to the end face of the connecting plate is further arranged at the geometric center of the end face of the connecting plate, a positioning hole used for positioning a workpiece is formed in the position of an axis of the end face of the connecting plate, the connecting plate further comprises a positioning portion penetrating through the workpiece and the positioning hole, and a pressing portion used for pressing the positioning portion and the workpiece is arranged at the bottom of the positioning portion.
2. The tooling clamp of claim 1, wherein: the positioning part is a positioning pin.
3. The tooling clamp of claim 1, wherein: the pressing part comprises a pressing plate and a pressing bolt.
4. The tooling clamp of claim 2, wherein: the positioning pin comprises a large-diameter section and a small-diameter section, the small-diameter section penetrates through the transverse plate and the positioning hole of the workpiece to position the workpiece, and the large-diameter section is in contact with the outer surface of the workpiece to realize radial limiting of the workpiece.
5. The tooling clamp of claim 4, wherein: the small-diameter section of the positioning pin is provided with a blind hole, and threads are arranged in the blind hole.
6. The tooling clamp of claim 1, wherein: the device also comprises a fastening device for limiting and fastening the workpiece when the axial lead of the workpiece is not perpendicular to the end face of the connecting plate after the workpiece rotates around the positioning pin due to process requirements.
7. The tooling clamp of claim 6, wherein: the fastening device comprises an adjusting plate and at least one adjusting bolt; the adjusting plate is arranged on the end face, close to the transverse plate, of the connecting plate and is perpendicular to the end face of the connecting plate; and the adjusting bolt penetrates through the adjusting plate and then fastens the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922124114.8U CN211387717U (en) | 2019-12-02 | 2019-12-02 | Work fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922124114.8U CN211387717U (en) | 2019-12-02 | 2019-12-02 | Work fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211387717U true CN211387717U (en) | 2020-09-01 |
Family
ID=72227435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922124114.8U Active CN211387717U (en) | 2019-12-02 | 2019-12-02 | Work fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211387717U (en) |
-
2019
- 2019-12-02 CN CN201922124114.8U patent/CN211387717U/en active Active
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