CN222134751U - Positioning fixture with auxiliary clamping function - Google Patents
Positioning fixture with auxiliary clamping function Download PDFInfo
- Publication number
- CN222134751U CN222134751U CN202420797071.8U CN202420797071U CN222134751U CN 222134751 U CN222134751 U CN 222134751U CN 202420797071 U CN202420797071 U CN 202420797071U CN 222134751 U CN222134751 U CN 222134751U
- Authority
- CN
- China
- Prior art keywords
- clamping
- positioning
- block
- auxiliary clamping
- auxiliary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000000078 claw Anatomy 0.000 claims description 21
- 238000000034 method Methods 0.000 abstract description 18
- 238000003825 pressing Methods 0.000 abstract description 14
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009827 uniform distribution Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to a positioning clamp with an auxiliary clamping function, which comprises a supporting frame, a pressing component, an auxiliary clamping component and positioning supports, wherein the auxiliary clamping component is fixedly arranged on the supporting frame, two positioning supports are arranged, the two positioning supports are fixedly arranged on the supporting frame and are respectively positioned at the left side and the right side of the auxiliary clamping component, and the pressing component is fixedly arranged on the supporting frame and is positioned at the outer side of the auxiliary clamping component. After the scheme is adopted, when the positioning and clamping operation is performed, the centering can be automatically completed according to the shape of the workpiece in the clamping process, the problem that the workpiece is damaged or clamped loose in the clamping process is effectively solved, and the safety and stability of the positioning clamp in the use process are improved.
Description
Technical Field
The utility model relates to the technical field of positioning fixtures, in particular to a positioning fixture with an auxiliary clamping function.
Background
Along with the development of modern industrial production technology, especially the continuous improvement of the demands of precision manufacturing and automation production lines, the positioning clamp is used as a key device for ensuring the accurate position and stability of a workpiece, plays a crucial role in the product processing and assembly process, and along with the continuous progress of the manufacturing technology, the positioning precision and clamping stability of the clamp are required to be higher.
However, the clamping structure of the conventional positioning fixture cannot realize automatic centering, when positioning and clamping complex workpieces with different geometric shapes, it is sometimes difficult to uniformly apply clamping force, which may cause local overload deformation or damage of the workpiece, or unstable clamping at certain positions, affect the processing precision and stability, and even may cause the workpiece to fly out during processing, so that a large potential safety hazard exists.
Disclosure of utility model
The utility model aims to solve the technical problem of providing the positioning clamp with the auxiliary clamping function, which can automatically finish centering according to the shape of a workpiece in the clamping process during positioning and clamping operation, effectively solve the problems of damage or clamping looseness in the workpiece clamping process, and improve the safety and stability of the positioning clamp in the use process.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
The utility model provides a take positioning fixture of supplementary clamp function, includes support frame, compresses tightly subassembly, supplementary clamp assembly and location support, supplementary clamp assembly fixed mounting in on the support frame, the location support is provided with two, two location support fixed mounting in on the support frame and be located respectively supplementary clamp assembly's left and right sides, compress tightly subassembly fixed mounting in on the support frame and be located supplementary clamp assembly's the outside.
Preferably, the auxiliary clamping assembly comprises an air cylinder, a positioning block, a movable limiting block and clamping claws, wherein the air cylinder is fixedly arranged in the supporting frame, the positioning block is fixedly arranged on the supporting frame, a piston rod of the air cylinder is in sliding fit with the positioning block, the clamping claws are provided with two, the lower ends of the clamping claws are respectively and rotatably connected to the positioning block, grooves are formed in the inner side surfaces of the lower ends of the clamping claws, the lower ends of the movable limiting block are rotatably connected with the piston rod of the air cylinder, the left end and the right end of the movable limiting block are respectively positioned in the grooves, the left end and the right end of the movable limiting block can swing up and down in the grooves under the driving of the air cylinder, a convex block is arranged on the movable limiting block, and the convex block can be attached to the upper inner wall and the lower inner wall of the grooves.
Preferably, the clamping jaw further comprises a hemispherical protrusion block fixedly mounted on an upper end inner side surface of the clamping jaw.
Preferably, the compressing assembly comprises a compressing cylinder and a pressing block, wherein the compressing cylinder is fixedly installed on the supporting frame, and the pressing block is rotationally connected to a piston rod of the compressing cylinder.
Preferably, a plurality of said hold-down assemblies are provided, a plurality of said hold-down assemblies being distributed around the centre of said auxiliary clamping assembly.
The clamping device has the advantages that when a workpiece is required to be clamped and positioned, the pressing block in the pressing assembly is lifted, the clamping claw of the auxiliary clamping assembly is opened, then the workpiece is placed on the supporting frame, the bottom of the workpiece is pressed against the positioning support, the pressing block in the pressing assembly is pressed down to press the workpiece, then the clamping claw in the auxiliary clamping assembly is closed, automatic centering of the clamping claw is completed through the movable limiting block in the closing process, and the uniform distribution of clamping forces of all directions of the workpiece in the clamping process is ensured. Therefore, during positioning and clamping operation, centering can be automatically completed according to the shape of the workpiece in the clamping process, the problem that damage or clamping looseness occurs in the workpiece clamping process is effectively solved, and safety and stability of the positioning clamp in the use process are improved.
Drawings
The utility model is further described with reference to the drawings and detailed description which follow:
FIG. 1 is a schematic structural view of a positioning fixture with auxiliary clamping function according to the present utility model;
FIG. 2 is a schematic structural view of an auxiliary clamping assembly in the positioning fixture with auxiliary clamping function according to the present utility model;
FIG. 3 is a schematic structural view of a positioning block and a clamping jaw in the positioning fixture with auxiliary clamping function;
FIG. 4 is a schematic structural view of a movable stopper in the positioning fixture with auxiliary clamping function according to the present utility model;
fig. 5 is a schematic view showing an opened state of an auxiliary clamping assembly in the positioning fixture with an auxiliary clamping function.
Wherein:
1-a supporting frame;
2-compressing component, 21-compressing cylinder, 22-compressing block;
3-auxiliary clamping components, 31-air cylinders, 32-positioning blocks, 33-movable limiting blocks, 331-convex blocks, 34-clamping claws, 341-grooves and 35-hemispherical convex blocks;
4-positioning support.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the directions and positional relationships indicated by "upper", "lower", "left", "right", "front", "rear", "vertical", "bottom", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in figures 1 to 5 of the drawings,
The utility model provides a take positioning fixture of supplementary clamping function, includes support frame 1, compresses tightly subassembly 2, supplementary clamping assembly 3 and location support 4, supplementary clamping assembly 3 fixed mounting is provided with two on support frame 1, location support 4 fixed mounting is on support frame 1 and be located the left and right sides of supplementary clamping assembly 3 respectively, compresses tightly subassembly 2 fixed mounting and is located the outside of supplementary clamping assembly 3 on support frame 1.
When the workpiece is required to be clamped and positioned, the pressing block 22 in the pressing assembly 2 is lifted, the clamping claw 34 of the auxiliary clamping assembly 3 is opened, the workpiece is placed on the supporting frame 1, the bottom of the workpiece is pressed against the positioning support 4, the pressing block 22 in the pressing assembly 2 is pressed down to press the workpiece, the clamping claw 34 in the auxiliary clamping assembly 3 is closed, automatic centering of the clamping claw 34 is completed through the movable limiting block 33 in the closing process, and the uniform distribution of clamping force of all directions of the workpiece in the clamping process is ensured. Therefore, during positioning and clamping operation, centering can be automatically completed according to the shape of the workpiece in the clamping process, the problem that damage or clamping looseness occurs in the workpiece clamping process is effectively solved, and safety and stability of the positioning clamp in the use process are improved.
In addition, the auxiliary clamping assembly 3 comprises an air cylinder 31, a positioning block 32, a movable limiting block 33 and clamping claws 34, the air cylinder 31 is fixedly arranged in the support frame 1, the positioning block 32 is fixedly arranged on the support frame 1, a piston rod of the air cylinder 31 is in sliding fit with the positioning block 32, the two clamping claws 34 are arranged at the lower ends of the two clamping claws 34 and are respectively connected to the positioning block 32 in a rotating mode, grooves 341 are formed in the inner side surfaces of the lower ends of the two clamping claws 34, the lower ends of the movable limiting block 33 are respectively connected with the piston rod of the air cylinder 31 in a rotating mode, the left end and the right end of the movable limiting block 33 are respectively located in the grooves 341, the left end and the right end of the movable limiting block 33 can swing up and down in the grooves 341 under the driving of the air cylinder 31, protruding blocks 331 are arranged on the movable limiting block 33, and the protruding blocks 331 can be attached to the upper inner wall and the lower inner wall of the grooves 341. Specifically, the protruding blocks 331 are distributed on the upper surface and the lower surface of the left and right ends of the movable limiting block 33, the openings of the grooves 341 of the lower ends of the two clamping claws 34 are opposite to each other, and the left and right ends of the movable limiting block 33 are just limited in the grooves 341.
When the clamping jaw 34 is in an open state, the piston rod of the air cylinder 31 is in an extending state, the movable range of the left end and the right end of the movable limiting block 33 is limited in the groove 341, at the moment, the protruding block 331 fixed at the upper end of the movable limiting block 33 can be abutted against the upper inner wall of the groove 341, so that the clamping jaw 34 is always kept in the open state, when the clamping jaw 34 needs to be closed, the piston rod of the air cylinder 31 is contracted, the movable limiting block 33 is driven to move downwards, the protruding block 331 at the lower end of the movable limiting block 33 can drive the clamping jaw 34 to rotate after touching the lower inner wall of the groove 341, so that the upper end of the clamping jaw 34 is close to a workpiece, and when the upper end of one clamping jaw 34 is abutted against the workpiece, the protruding block 331 at the side can be abutted against the groove 341 of the clamping jaw 34, so that the clamping jaw 34 keeps the current clamping state.
In addition, a hemispherical protrusion 35 is further included, and the hemispherical protrusion 35 is fixedly installed on the upper inner side of the clamping jaw 34.
In this way, when the clamping jaw 34 is in contact with the workpiece, the hemisphere can act as a guide point, helping the clamping jaw 34 to quickly and accurately find the correct position, thereby improving the working efficiency and accuracy, and avoiding scratching the workpiece.
In addition, the compressing assembly 2 comprises a compressing cylinder 21 and a pressing block 22, wherein the compressing cylinder 21 is fixedly arranged on the supporting frame 1, and the pressing block 22 is rotatably connected to a piston rod of the compressing cylinder 21.
Therefore, the workpiece can be tightly pressed, and the workpiece is prevented from being displaced in the processing process.
In addition, a plurality of hold-down assemblies 2 are provided, and the plurality of hold-down assemblies 2 are distributed around the center of the auxiliary clamping assembly 3. In particular, the distribution of the hold-down assemblies 2 will be distributed according to the shape of the workpiece and the processing requirements.
Thus, the application range of the device is widened.
In summary, the foregoing description is only of the preferred embodiments of the utility model, and is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420797071.8U CN222134751U (en) | 2024-04-17 | 2024-04-17 | Positioning fixture with auxiliary clamping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420797071.8U CN222134751U (en) | 2024-04-17 | 2024-04-17 | Positioning fixture with auxiliary clamping function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222134751U true CN222134751U (en) | 2024-12-10 |
Family
ID=93733883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420797071.8U Active CN222134751U (en) | 2024-04-17 | 2024-04-17 | Positioning fixture with auxiliary clamping function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222134751U (en) |
-
2024
- 2024-04-17 CN CN202420797071.8U patent/CN222134751U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219170236U (en) | A machine tool rotating base for clamping sheet metal parts | |
| CN222134751U (en) | Positioning fixture with auxiliary clamping function | |
| CN205309869U (en) | A mobile phone shell CNC five-axis machining fixture | |
| CN206567825U (en) | A kind of Novel drill tapping dual-purpose tool workpiece rotary table structure | |
| CN222020962U (en) | A welding clamping device for a middle floor beam workpiece | |
| CN218657939U (en) | Double-side milling positioning clamping table for metal shell | |
| CN218477026U (en) | Clamping device | |
| CN110900086B (en) | Clamping tool for processing head and tail of crane arm | |
| CN214685338U (en) | A special fixture for CNC vertical machining center | |
| CN210789087U (en) | A body rivet pressure riveting forming device | |
| CN220277940U (en) | A steel plate bending device | |
| CN223056479U (en) | A high-precision automated flanging equipment | |
| CN222554041U (en) | A hydraulic press for molding automobile interior | |
| CN223492466U (en) | Clamp for welding middle cross beam | |
| CN219189448U (en) | Self-adaptation divides clamping machine to add anchor clamps | |
| CN221538709U (en) | Welding robot welding jig | |
| CN222493743U (en) | A high-precision tire mold cavity processing fixed tooling | |
| CN111136599A (en) | Pneumatic clamping jig for die machining | |
| CN222608745U (en) | A positioning structure for clamping elliptical special-shaped parts | |
| CN222661794U (en) | A manipulator for stamping dies of automobile parts | |
| CN220902530U (en) | Self-positioning clamp | |
| CN219357623U (en) | Mould with location structure | |
| CN111687325A (en) | Pre-riveting tool and pre-riveting process for circulator/isolator cover plate and cavity | |
| CN216502164U (en) | Rivet pressing jig | |
| CN223671107U (en) | Workpiece assembling and clamping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |