CN216327730U

CN216327730U - Bidirectional composite clamp

Info

Publication number: CN216327730U
Application number: CN202122280971.4U
Authority: CN
Inventors: 陈龙; 陈宪
Original assignee: Chengdu Jia Fei Science And Technology Development Co ltd
Current assignee: Chengdu Jia Fei Science And Technology Development Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-04-19
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a bidirectional composite clamp which comprises a clamp and a pressing plate, wherein a workpiece is positioned between the clamp and the pressing plate. The fixture comprises a fixture main body, a fixture base, a first fixture supporting block and a second fixture supporting block, wherein the first fixture supporting block and the second fixture supporting block are respectively connected with the fixture base, the bottom of the fixture base is located on the end face of the fixture main body, and a workpiece is located between the first fixture supporting block and the second fixture supporting block. The bidirectional composite clamp provided by the utility model has the advantages of simple structure, convenience in use and lower manufacturing cost, and can reduce the times of repeatedly clamping workpieces, thereby improving the production efficiency. The machining of the two surfaces is completed by once clamping, so that the machining precision of the workpiece is improved, and the consistency and interchangeability of the workpiece are further improved.

Description

Bidirectional composite clamp

Technical Field

The utility model belongs to the technical field of part clamps, and particularly relates to a bidirectional composite clamp.

Background

At present, H-shaped workpieces are machined on the market by using vices to clamp the appearance, and the appearance needs to be machined in the previous process so as to meet the requirement of clamping precision. Meanwhile, in the using process, the using condition of repeated clamping and turning exists. The concentricity of the holes in the existing composite clamp needs to be manually marked and point-looked for by workers. The tradition passes through manual operation's mode, and there is intensity of labour big, and the work piece uniformity is poor, and the assembly harmony is not high, the loaded down with trivial details shortcoming of process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a bidirectional composite clamp which is simple in structure, convenient to use and firm in clamping.

In order to solve the technical problems, the technical scheme of the utility model is as follows: a bidirectional composite clamp comprises a clamp and a pressing plate, wherein a workpiece is positioned between the clamp and the pressing plate.

Preferably, the fixture comprises a fixture main body, a fixture base, a first fixture supporting block and a second fixture supporting block, the first fixture supporting block and the second fixture supporting block are respectively connected with the fixture base, the bottom of the fixture base is located on the end face of the fixture main body, and the workpiece is located between the first fixture supporting block and the second fixture supporting block.

Preferably, the clamp main body is of a revolving body structure, the cross section of the clamp main body is of an inverted 'convex' structure, and the end face of the clamp main body is fixedly connected with the clamp base into a whole.

Preferably, the clamp base is of a rectangular structure, the two ends of the clamp base are arc-shaped, the bottom of the clamp base is fixedly connected with the end face of the clamp main body, and the top of the clamp base is fixedly connected with the first support block and the second support block of the clamp of the workpiece respectively.

Preferably, the first clamp supporting block comprises a first clamp supporting block main body and a first clamp supporting block supporting piece, the first clamp supporting block main body and the first clamp supporting block supporting piece are fixedly connected into a whole, the first clamp supporting block supporting piece is located at the bottom of the first clamp supporting block main body, a first clamp supporting block main body groove is formed in the first clamp supporting block main body, the cross section of the first clamp supporting block main body groove is semicircular, and the axis of the first clamp supporting block main body groove is perpendicular to the axis of the first clamp supporting block main body.

Preferably, the number of the first support block main body grooves of the clamp is two, and the grooves are distributed on the first support block main body of the clamp in parallel.

Preferably, the second clamp support block comprises a second clamp support block main body and a second clamp support block support piece, the second clamp support block support piece is located at the bottom of the second clamp support block main body, the cross section of the second clamp support block support piece is rectangular, a second clamp support block support piece hole is formed in the middle of the second clamp support block support piece, the axis of the second clamp support block support piece hole is parallel to the axis of the second clamp support block main body, a second clamp support block main body groove is formed in the second clamp support block main body, the cross section of the second clamp support block main body groove is semicircular, and the axis of the second clamp support block main body groove is perpendicular to the axis of the second clamp support block support piece hole.

Preferably, the pressing plate is of a cuboid structure, a pressing plate groove is formed in the pressing plate, and the cross section of the pressing plate groove is of a U-shaped structure.

Preferably, the workpiece comprises a first workpiece block, a second workpiece block and a workpiece connecting piece, the first workpiece block is fixedly connected with the second workpiece block through the workpiece connecting piece, the structure of the second workpiece block is the same as that of the first workpiece block, the first workpiece block is of a plate-shaped structure, a first workpiece through hole and a first workpiece through hole are formed in the first workpiece block, and the axis of the first workpiece through hole is parallel to that of the first workpiece through hole.

The utility model has the beneficial effects that: the bidirectional composite clamp provided by the utility model has the advantages of simple structure, convenience in use and lower manufacturing cost, and can reduce the times of repeatedly clamping workpieces, thereby improving the production efficiency. The machining of the two surfaces is completed by once clamping, so that the machining precision of the workpiece is improved, and the consistency and interchangeability of the workpiece are further improved.

Drawings

FIG. 1 is a schematic structural view of a bi-directional composite fixture of the present invention;

FIG. 2 is a schematic view of the construction of the clamp of the present invention;

FIG. 3 is a schematic view of the construction of the platen of the present invention;

FIG. 4 is a schematic view of the structure of a workpiece according to the present invention.

Description of reference numerals: 1. a clamp; 2. pressing a plate; 3. a workpiece; 10. a clamp body; 11. a clamp base; 12. clamping a first support block; 13. clamping a second support block; 21. a pressing plate groove; 31. a first piece of a workpiece; 32. a second piece of the workpiece; 33. a workpiece connection member; 120. clamping a first support block main body; 121. clamping a first support block support; 122. a first support block main body groove of the clamp; 130. a clamp second support block main body; 131. a clamp second support block support; 132. a clamp second bolster support member aperture; 133. a fixture second support block main body groove; 311. a first through hole of a first piece of a workpiece; 312. the first piece of the second through hole of the workpiece.

Detailed Description

The utility model is further described with reference to the following figures and specific embodiments:

as shown in fig. 1 to 4, the bidirectional composite clamp provided by the utility model comprises a clamp 1 and a pressure plate 2, wherein a workpiece 3 is positioned between the clamp 1 and the pressure plate 2.

The workpiece 3 is fixed through the clamp 1 and the pressing plate 2, and when one surface of the workpiece 3 is machined, the other surface of the workpiece 3 can be machined only by rotating the clamp 1.

As shown in fig. 2, the jig 1 includes a jig main body 10, a jig base 11, a jig first support block 12, and a jig second support block 13, the jig first support block 12 and the jig second support block 13 are connected to the jig base 11, respectively, the bottom of the jig base 11 is located on an end surface of the jig main body 10, and the workpiece 3 is located between the jig first support block 12 and the jig second support block 13.

The clamp main body 10 is a revolving body structure, the cross section of the clamp main body 10 is an inverted 'convex' structure, and the end face of the clamp main body 10 is fixedly connected with the clamp base 11 into a whole.

The end part of the rotary body of the clamp main body 10 is connected with external equipment, and the clamp main body 10 is rotated to drive the workpiece 3 to rotate, so that the workpiece 3 is machined under the condition that the workpiece 3 is not detached.

The clamp base 11 is of a rectangular structure, two ends of the clamp base 11 are arc-shaped, the bottom of the clamp base 11 is fixedly connected with the end face of the clamp main body 10, and the top of the clamp base 11 is fixedly connected with the first clamp supporting block 12 and the second clamp supporting block 13 of the workpiece 3 into a whole.

The first anchor clamps supporting piece 12 comprises a first anchor clamps supporting piece 121 and a first anchor clamps supporting piece main body 120 which are fixedly connected into a whole, the first anchor clamps supporting piece 121 is located at the bottom of the first anchor clamps supporting piece main body 120, a first anchor clamps supporting piece main body groove 122 is formed in the first anchor clamps supporting piece main body 120, the cross section of the first anchor clamps supporting piece main body groove 122 is semicircular, and the axis of the first anchor clamps supporting piece main body groove 122 is perpendicular to the axis of the first anchor clamps main body 10.

The two first block body grooves 122 are distributed in parallel on the first block body 120. In the actual use process, the number of the first support block main body grooves 122 of the clamp can be set in a targeted manner according to the specific structure of the workpiece 3, so that the production and processing environment of more parts can be adapted.

The second clamp support block 13 comprises a second clamp support block main body 130 and a second clamp support block 131 which are fixedly connected into a whole, the second clamp support block 131 is located at the bottom of the second clamp support block main body 130, the cross section of the second clamp support block 131 is rectangular, a second clamp support block hole 132 is formed in the middle of the second clamp support block 131, and the axis of the second clamp support block hole 132 is parallel to the axis of the clamp main body 10.

The second fixture supporting block main body 130 is provided with a second fixture supporting block main body groove 133, the cross section of the second fixture supporting block main body groove 133 is semicircular, and the axis of the second fixture supporting block main body groove 133 is perpendicular to the axis of the second fixture supporting block supporting member hole 132. The workpiece 3 is fitted between the jig first leg 12 and the jig second leg 13.

As shown in fig. 3, the pressing plate 2 is a rectangular parallelepiped structure, a pressing plate groove 21 is provided on the pressing plate 2, and the cross section of the pressing plate groove 21 is a U-shaped structure. The platen 2 is located on top of the workpiece 3.

As shown in fig. 4, the workpiece 3 has an "H" shaped structure. The workpiece 3 comprises a first workpiece block 31, a second workpiece block 32 and a workpiece connecting piece 33, wherein the first workpiece block 31 is fixedly connected with the second workpiece block 32 through the workpiece connecting piece 33, and the structure of the second workpiece block 32 is the same as that of the first workpiece block 31. The first workpiece block 31 is of a plate-shaped structure, a first workpiece through hole 311 and a first workpiece through hole 312 are formed in the first workpiece block 31, and the axis of the first workpiece through hole 311 is parallel to the axis of the first workpiece through hole 312.

In the actual use process, when the workpiece 3 is placed in the fixture 1, the first through hole 311 of the workpiece corresponds to the second support block main groove 133 of the fixture, and the first fixing member sequentially passes through the first through hole 311 of the workpiece and the second support block main groove 133 of the fixture. The first workpiece second through hole 312 corresponds to the first fixture block body recess 122, and the second fixture passes through the first workpiece second through hole 312 and the first fixture block body recess 122 in sequence. The pressing plate groove 21 corresponds to the clamp second support piece hole 132, and the third fixing piece sequentially passes through the pressing plate groove 21 and the clamp second support piece hole 132. The workpiece 3 is fixed to the jig 1 by the connection of the first fixing member, the second fixing member, and the third fixing member. First mounting, second mounting and third mounting are current mature technology equipment, select for use bolt or round pin to fix according to the in-service use condition.

The workpiece 3 is fixed through the clamp 1, and the other end of the clamp 1 is connected with the existing four-axis rotary table. When the workpiece 3 is machined, the workpiece 3 is kept concentric with the four-axis turn table. The workpiece 3 is kept consistent with the center of the four-axis turntable by the first workpiece first through hole 311 corresponding to the clamp second support block main body groove 133, the first workpiece second through hole 312 corresponding to the clamp first support block main body groove 122, and the press plate groove 21 corresponding to the clamp second support block support piece hole 132. The pressing plate 2 presses the workpiece 3 to be completely attached to the clamp 1 and is firm.

It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the utility model and are to be construed as being without limitation to such specifically recited embodiments and examples. Those skilled in the art can make various other specific changes and combinations based on the teachings of the present invention without departing from the spirit of the utility model, and these changes and combinations are within the scope of the utility model.

Claims

1. The utility model provides a two-way compound anchor clamps which characterized in that: the device comprises a clamp (1) and a pressing plate (2), wherein a workpiece (3) is positioned between the clamp (1) and the pressing plate (2);

the clamp (1) comprises a clamp main body (10), a clamp base (11), a clamp first supporting block (12) and a clamp second supporting block (13), wherein the clamp first supporting block (12) and the clamp second supporting block (13) are respectively connected with the clamp base (11), the bottom of the clamp base (11) is positioned on the end face of the clamp main body (10), and a workpiece (3) is positioned between the clamp first supporting block (12) and the clamp second supporting block (13);

the first clamp supporting block (12) comprises a first clamp supporting block main body (120) and a first clamp supporting block supporting piece (121) which are fixedly connected into a whole, the first clamp supporting block supporting piece (121) is located at the bottom of the first clamp supporting block main body (120), a first clamp supporting block main body groove (122) is formed in the first clamp supporting block main body (120), the cross section of the first clamp supporting block main body groove (122) is semicircular, and the axis of the first clamp supporting block main body groove (122) is perpendicular to the axis of the first clamp supporting block main body (10);

the second clamp supporting block (13) comprises a second clamp supporting block main body (130) and a second clamp supporting block supporting piece (131) which are fixedly connected into a whole, the second clamp supporting block supporting piece (131) is located at the bottom of the second clamp supporting block main body (130), the cross section of the second clamp supporting block supporting piece (131) is rectangular, a second clamp supporting block supporting piece hole (132) is formed in the middle of the second clamp supporting block supporting piece (131), the axis of the second clamp supporting block supporting piece hole (132) is parallel to the axis of the clamp main body (10), a second clamp supporting block main body groove (133) is formed in the second clamp supporting block main body (130), the cross section of the second clamp supporting block main body groove (133) is semicircular, and the axis of the second clamp supporting block main body groove (133) is perpendicular to the axis of the second clamp supporting block supporting piece hole (132).

2. The bi-directional composite clamp of claim 1, wherein: the clamp main body (10) is of a revolving body structure, the section of the clamp main body (10) is of an inverted convex structure, and the end face of the clamp main body (10) is fixedly connected with the clamp base (11) into a whole.

3. The bi-directional composite clamp of claim 1, wherein: the clamp base (11) is of a rectangular structure, the two ends of the clamp base (11) are arc-shaped, the bottom of the clamp base (11) is fixedly connected with the end face of the clamp main body (10), and the top of the clamp base (11) is fixedly connected with the first support block (12) and the second support block (13) of the clamp respectively with the workpiece (3).

4. The bi-directional composite clamp of claim 1, wherein: the two clamp first supporting block main body grooves (122) are distributed on the clamp first supporting block main body (120) in parallel.

5. The bi-directional composite clamp of claim 1, wherein: the pressing plate (2) is of a cuboid structure, a pressing plate groove (21) is formed in the pressing plate (2), and the cross section of the pressing plate groove (21) is of a U-shaped structure.

6. The bi-directional composite clamp of claim 1, wherein: the workpiece (3) comprises a first workpiece block (31), a second workpiece block (32) and a workpiece connecting piece (33), the first workpiece block (31) is fixedly connected with the second workpiece block (32) through the workpiece connecting piece (33), the structure of the second workpiece block (32) is the same as that of the first workpiece block (31), the first workpiece block (31) is of a plate-shaped structure, a first workpiece block through hole (311) and a first workpiece block second through hole (312) are formed in the first workpiece block (31), and the axis of the first workpiece block through hole (311) is parallel to that of the first workpiece block second through hole (312).