CN223656568U - A pneumatic clamping fixture - Google Patents
A pneumatic clamping fixtureInfo
- Publication number
- CN223656568U CN223656568U CN202423279834.9U CN202423279834U CN223656568U CN 223656568 U CN223656568 U CN 223656568U CN 202423279834 U CN202423279834 U CN 202423279834U CN 223656568 U CN223656568 U CN 223656568U
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- China
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- workpiece
- positioning
- clamping
- base
- block
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Abstract
本实用新型公开了一种气压装夹治具，包括：基座，第一固定座设置在所述基座上，定位块设置在所述第一固定座面向所述工件的一侧，所述定位块上开设有与所述工件相适配的定位槽；第二固定座设置在所述基座上，驱动件设置在所述第二固定座面向所述工件的一侧，所述驱动件的输出轴沿预设路径移动以靠近或远离所述工件。本实用新型通过定位块对工件进行初步的定位，定位槽的槽口形状与工件相适配，从而对工件起到限位和简单固定的作用，防止工件发生位移，从而提高了装夹工件时定位的准确性，通过夹紧组件沿预设路径靠近或远离工件，以起到装夹和释放的作用，整个装置与工件都是紧密贴合的，提高了装夹的牢固性，以及提高了装夹精度。
This utility model discloses a pneumatic clamping fixture, comprising: a base; a first fixed seat disposed on the base; a positioning block disposed on the side of the first fixed seat facing the workpiece; the positioning block having a positioning groove adapted to the workpiece; and a second fixed seat disposed on the base, with a driving member disposed on the side of the second fixed seat facing the workpiece. The output shaft of the driving member moves along a preset path to approach or move away from the workpiece. This utility model uses the positioning block for initial workpiece positioning. The groove shape of the positioning groove is adapted to the workpiece, thus limiting and simply fixing the workpiece, preventing displacement and improving the positioning accuracy during workpiece clamping. The clamping assembly moves closer to or away from the workpiece along a preset path to perform clamping and release functions. The entire device is tightly fitted to the workpiece, improving clamping stability and accuracy.
Description
Technical Field
The utility model relates to the technical field of machining auxiliary devices, in particular to a pneumatic clamping jig.
Background
In modern manufacturing industry, along with the diversification and personalized development of products, for some workpieces with irregular shapes, complex structures and specific processing requirements, the traditional standardized clamping fixture often cannot meet the requirements of accurate clamping and efficient processing.
The non-standard workpieces need specially designed clamping tools to ensure the position accuracy and stability during processing, and the existing general clamping equipment has the problems of unstable clamping, inaccurate positioning, poor universality and the like when facing the non-standard workpieces, so that the processing quality and the production efficiency are affected.
Disclosure of utility model
The utility model aims to provide a pneumatic clamping jig, which solves the problem that clamping and positioning are difficult during nonstandard workpiece processing in the prior art, improves processing precision and production efficiency, and meets specific production process requirements.
The utility model provides a pneumatic clamping jig, which comprises:
the base is provided with a workpiece;
The positioning assembly comprises a first fixing seat and a positioning block, the first fixing seat is arranged on the base, the positioning block is arranged on one side, facing the workpiece, of the first fixing seat, and a positioning groove matched with the workpiece is formed in the positioning block, so that the workpiece is limited in the positioning groove;
The clamping assembly is arranged opposite to the positioning assembly, the clamping assembly comprises a second fixing seat and a driving piece, the second fixing seat is arranged on the base, the driving piece is arranged on one side of the second fixing seat facing to the workpiece, and an output shaft of the driving piece moves along a preset path to be close to or far away from the workpiece.
The pneumatic clamping jig is characterized in that the driving piece comprises a cylinder.
According to the pneumatic clamping jig, preferably, the base is provided with the cushion block, the position of the cushion block corresponds to the position of the workpiece, and the cushion block is used for receiving the workpiece.
According to the pneumatic clamping jig, preferably, the base is provided with the first mounting hole, the position of the first mounting hole corresponds to that of the cushion block, and the cushion block is connected with the first mounting hole through the adjusting bolt.
According to the pneumatic clamping jig, preferably, the positioning block is provided with the second mounting hole, and the positioning block penetrates through the second mounting hole through the adjusting bolt to be detachably connected with the first fixing seat.
According to the pneumatic clamping jig, preferably, the end face of the output shaft of the air cylinder is provided with the compression block.
According to the pneumatic clamping jig, preferably, the side, away from the air cylinder, of the compression block is provided with the groove matched with the workpiece.
Compared with the prior art, the workpiece is initially positioned through the positioning block, the special structure of nonstandard workpiece appearance can be met through the adaptation of the notch shape of the positioning groove to the workpiece, the workpiece can be limited and simply fixed, the workpiece is prevented from being displaced, the positioning accuracy is improved when the workpiece is clamped, the workpiece is close to or far away from the driving piece in the clamping assembly along the preset path, the clamping and releasing effects are achieved, and the grooves are formed in the pressing block, so that the whole device is tightly attached to the workpiece in the clamping process, the clamping firmness is improved, and the clamping precision is improved.
Drawings
FIG. 1 is a perspective view of a pneumatic clamping jig provided by an embodiment of the utility model;
FIG. 2 is a cross-sectional view of a pneumatic clamping jig provided by an embodiment of the utility model;
FIG. 3 is a perspective view of a positioning assembly provided by an embodiment of the present utility model;
fig. 4 is a perspective view of a clamping assembly provided by an embodiment of the present utility model.
Reference numerals illustrate:
1-a base and 10-a first mounting hole;
the device comprises a 2-positioning assembly, a 20-first fixing seat, a 21-positioning block and a 22-positioning groove;
the clamping assembly comprises a 3-clamping assembly, a 30-second fixing seat, a 31-cylinder, a 32-compression block, a 33-groove, a 34-first air port and a 35-second air port;
4-a workpiece;
and 5-cushion blocks.
Detailed Description
The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
The utility model provides a pneumatic clamping jig which comprises a base 1, a positioning assembly 2 and a clamping assembly 3, wherein a workpiece 4 to be clamped is arranged on the base 1, the workpiece 4 is initially fixed through the positioning assembly 2, and the workpiece 4 is clamped through the clamping assembly 3.
Referring to fig. 1, 2 and 3, in the embodiment provided by the present application, the positioning assembly 2 includes a first fixing base 20 and a positioning block 21, the first fixing base 20 is disposed on the base 1, and the positioning block 21 is disposed on a side of the first fixing base 20 facing the workpiece 4. In this embodiment, the positioning block 21 may perform preliminary fixing on the workpiece 4.
The positioning block 21 is provided with the positioning groove 22 which is matched with the workpiece 4 on one side facing the workpiece 4, the workpiece 4 is matched with the positioning groove 22, and therefore the workpiece 4 is limited in the positioning groove 22, the shape of the nonstandard workpiece is different, particularly, the surface of some nonstandard workpieces is uneven or has an irregular shape, in order to meet the universality, the clamping part of the universal clamping jig is a plane, the nonstandard workpiece is easy to be damaged or insufficient due to non-lamination when the nonstandard workpiece is clamped, in order to laminate the appearance of the workpiece 4, the positioning groove 22 which is laminated with the surface of the workpiece 4 is provided on the positioning block 21, the positioning groove 22 not only can play a perfect lamination role, but also can limit the workpiece 4 in the groove, the workpiece 4 is prevented from being offset in the process to be clamped, the specific shape of the positioning groove 22 can be the workpiece 4 to be demoulded firstly, and then injection molding is carried out, and the requirements of different nonstandard workpieces 4 can be met as long as the shape of the positioning groove 22 on the positioning block 21 is changed.
The clamping assembly 3 is arranged opposite to the positioning assembly 2, the clamping assembly 3 comprises a second fixing seat 30 and a driving piece, the second fixing seat 30 is arranged on the base 1, the driving piece is arranged on one side of the second fixing seat 30 facing the workpiece 4, an output shaft of the driving piece moves along a preset path to be close to or far away from the workpiece 4, after the workpiece 4 is positioned and fixed by the positioning assembly 2, the workpiece 4 is clamped and released through the clamping assembly 3, the preset path is the distance from the output shaft of the driving piece to the workpiece 4, which is set, specifically, the system setting can be carried out according to different workpieces 4, in addition, the clamping modes of different workpieces 4 are different, for the application, the clamping assembly 3 and the positioning assembly 2 are arranged opposite to each other, and the clamping effect of respectively applying force to two sides of the workpiece 4 along the same direction is optimal.
In a feasible implementation manner, the driving piece includes the air cylinder 31, the driving piece adopts the air cylinder 31 as a power source, the air cylinder 31 can provide stable and accurate clamping force, through accurate air pressure control, the magnitude of the clamping force can be flexibly adjusted according to the material, the size and the processing technology requirements of different workpieces 4, the condition that the workpiece 4 is loosened and damaged due to insufficient clamping force or the workpiece 4 is damaged due to excessive clamping force is effectively avoided, in this embodiment, the top of the air cylinder 31 is provided with the first air port 34 and the second air port 35, and air is blown to the first air port 34 and the second air port 35 respectively to realize the reciprocating motion of the output shaft of the air cylinder 31, so that the air cylinder can move along a preset path to approach or depart from the workpiece 4, and a person skilled in the art should know that the air cylinder 31 is only a preferred embodiment in the application, and other driving pieces are not repeated here.
Further, referring to fig. 1-2, a cushion block 5 is provided on the base 1, the position of the cushion block 5 corresponds to the position of the workpiece 4, the cushion block 5 is used for receiving the workpiece 4, friction, collision and scratch generated by direct contact between the workpiece 4 and the base 1 can be effectively avoided by the cushion block 5, in addition, the cushion block 5 can be set into a shape matched with the surface of the workpiece 4 according to the surface of the workpiece 4, and the workpiece 4 can be limited and positioned in multiple directions through the cushion block 5 and the positioning groove 22, so that the clamping precision of the workpiece 4 is improved.
In order to meet the height requirements of different workpieces 4, the base 1 is provided with a first mounting hole 10, the position of the first mounting hole 10 corresponds to the position of the cushion block 5, the cushion block 5 is connected with the first mounting hole 10 through an adjusting bolt, the cushion block 5 can also play a role in fixing the height, and the height requirements of different workpieces 4 can be met by adjusting the relative height of the cushion block 5 and the base 1, so that the cushion block 5 and the positioning assembly 2 can be positioned on the same horizontal line.
Further, referring to fig. 3, in order to adapt to nonstandard workpieces with different shapes, a second mounting hole is formed in the positioning block 21, the positioning block 21 penetrates through the second mounting hole through an adjusting bolt to be detachably connected with the first fixing seat 20, the positioning block 21 and the first fixing seat 20 are detachably mounted, when facing workpieces 4 with different shapes, sizes and processing requirements, the positioning block 21 with the positioning groove 22 with a specific shape and size can be quickly replaced without readjusting or replacing the whole structure of the first fixing seat 20, and in addition, the positioning block 21 can be matched with the workpieces 4 better by adjusting the relative position between the positioning block 21 and the first fixing seat 20.
In a possible implementation manner, referring to fig. 1-2 and 4, a compressing block 32 is arranged on the end face of the output shaft of the air cylinder 31, the compressing block 32 can uniformly and effectively distribute the output force of the air cylinder 31 on the surface of the workpiece 4, the compressing block 32 can increase the contact area with the workpiece 4 and play a role in buffering and protecting to a certain extent, so that the workpiece 4 is ensured to be uniformly stressed in the clamping process, and the deformation or damage of the workpiece 4 caused by overlarge local pressure is effectively prevented.
Further, referring to fig. 4, a groove 33 adapted to the workpiece 4 is formed on one side of the compression block 32 away from the air cylinder 31, the groove 33 can accurately fit the outline of the workpiece 4, so as to play a role in positioning and supporting, the groove 33 and the positioning groove 22 can form tight fit with the workpiece 4 during clamping, the displacement possibility of the workpiece 4 in the clamping process is greatly reduced, accurate reproduction of the position of the workpiece 4 during each machining is ensured, and for different nonstandard workpieces, the compression block 32 and the output shaft of the air cylinder 31 can be detachably connected, so that only the compression block 32 needs to be replaced.
The working principle of the pneumatic clamping jig is that a workpiece 4 is placed in a positioning groove 22, the bottom of the workpiece 4 is attached to a cushion block 5, the workpiece 4 is preliminarily connected with a positioning assembly 2, air is blown to a second air port 35 of an air cylinder 31, an output shaft of the air cylinder 31 drives a compression block 32 to move along a preset path towards the workpiece 4, the workpiece 4 is clamped after abutting against the workpiece 4, after the workpiece 4 is machined, air is blown to a first air port 34 of the air cylinder 31, the output shaft of the air cylinder 31 drives the compression block 32 to return to an initial position along the preset path, the workpiece 4 can be removed from the positioning assembly 2 at the moment, and for workpieces 4 with different specifications, the positioning block 21 and the compression block 32 which are matched can be replaced can be adjusted, in addition, the height of the cushion block 5 can be adjusted to meet the requirements of different workpieces 4.
The construction, features and effects of the present utility model have been described in detail with reference to the embodiments shown in the drawings, but the above description is only a preferred embodiment of the present utility model, but the present utility model is not limited to the embodiments shown in the drawings, all changes, or modifications to the teachings of the utility model, which fall within the meaning and range of equivalents are intended to be embraced therein, are intended to be embraced therein.
Claims (7)
1. An air pressure clamping tool, its characterized in that includes:
the base is provided with a workpiece;
The positioning assembly comprises a first fixing seat and a positioning block, the first fixing seat is arranged on the base, the positioning block is arranged on one side, facing the workpiece, of the first fixing seat, and a positioning groove matched with the workpiece is formed in the positioning block, so that the workpiece is limited in the positioning groove;
The clamping assembly is arranged opposite to the positioning assembly, the clamping assembly comprises a second fixing seat and a driving piece, the second fixing seat is arranged on the base, the driving piece is arranged on one side of the second fixing seat facing to the workpiece, and an output shaft of the driving piece moves along a preset path to be close to or far away from the workpiece.
2. The air press clamping jig of claim 1, wherein the driver comprises an air cylinder.
3. The air pressure clamping jig of claim 1, wherein a spacer is provided on the base, the position of the spacer corresponds to the position of the workpiece, and the spacer is configured to receive the workpiece.
4. The air pressure clamping jig of claim 3, wherein the base is provided with a first mounting hole, the position of the first mounting hole corresponds to the position of the cushion block, and the cushion block is connected with the first mounting hole through an adjusting bolt.
5. The air pressure clamping jig of claim 1, wherein the positioning block is provided with a second mounting hole, and the positioning block penetrates through the second mounting hole through an adjusting bolt to be detachably connected with the first fixing seat.
6. The air pressure clamping jig of claim 2, wherein a compression block is provided on an end face of the output shaft of the air cylinder.
7. The air pressure clamping jig of claim 6, wherein a groove adapted to the workpiece is formed in a side of the compression block away from the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423279834.9U CN223656568U (en) | 2024-12-30 | 2024-12-30 | A pneumatic clamping fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423279834.9U CN223656568U (en) | 2024-12-30 | 2024-12-30 | A pneumatic clamping fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223656568U true CN223656568U (en) | 2025-12-12 |
Family
ID=97932218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423279834.9U Active CN223656568U (en) | 2024-12-30 | 2024-12-30 | A pneumatic clamping fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223656568U (en) |
-
2024
- 2024-12-30 CN CN202423279834.9U patent/CN223656568U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |