CN222095444U - Self-locking clamping and positioning device - Google Patents
Self-locking clamping and positioning device Download PDFInfo
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- CN222095444U CN222095444U CN202420666346.4U CN202420666346U CN222095444U CN 222095444 U CN222095444 U CN 222095444U CN 202420666346 U CN202420666346 U CN 202420666346U CN 222095444 U CN222095444 U CN 222095444U
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- positioning device
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- 210000000078 claw Anatomy 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 9
- 239000000428 dust Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model relates to a self-locking type clamping and positioning device which comprises a supporting frame, a lower side supporting component, preset position components and self-locking type clamping components, wherein the lower side supporting component is fixedly arranged at the upper end of the supporting frame, two preset position components are arranged, the two preset position components are respectively fixedly arranged at the left side and the right side of the supporting frame, and the self-locking type clamping components are arranged in the supporting frame. After the scheme is adopted, the workpiece can be positioned and clamped by providing larger clamping force, the device has a self-locking function, the loosening of the clamping claw is effectively prevented, the overall stability of the device is improved, and meanwhile, the self-locking structure of the device is simple and convenient for later maintenance.
Description
Technical Field
The utility model relates to the technical field of clamping and positioning devices, in particular to a self-locking type clamping and positioning device.
Background
In the fields of mechanical manufacturing, precision machining and the like, a clamping and positioning device is an indispensable key component. The method has the main effects of ensuring that the workpiece can be stably and accurately positioned in the processing process, thereby improving the production efficiency and the product quality.
However, in the machining occasion requiring a larger clamping force, the conventional clamping device often needs to use a plurality of clamping jigs or rely on other auxiliary jigs to mutually cooperate for use so as to meet the machining occasion with a large clamping force, and workpiece slippage or loosening easily occurs in the clamping process, so that the machining precision and the operation safety of the workpiece are affected.
Disclosure of utility model
The utility model aims to solve the technical problem of providing the self-locking clamping positioning device which can provide larger clamping force to finish positioning and clamping of a workpiece, has a self-locking function, effectively prevents loosening of a clamping claw, improves the overall stability of the device, and is simple in self-locking structure and convenient for later maintenance.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
The utility model provides a from locking-type clamping positioning device, includes support frame, downside supporting component, reservation subassembly and from locking-type clamping component, downside supporting component fixed mounting in the upper end of support frame, reservation subassembly is provided with two, two reservation subassembly respectively fixed mounting in the left and right sides of support frame, from locking-type clamping component install in the support frame.
Preferably, the self-locking clamping assembly comprises an oil cylinder, two sliding blocks, clamping jaws and a baffle, wherein the oil cylinder is fixedly arranged in the support frame, two inclined planes are arranged on a piston rod of the oil cylinder, the two inclined planes are mutually symmetrical, guide blocks are fixedly arranged on the inclined planes respectively, the two sliding blocks are arranged on the two sliding blocks and are in sliding connection with the support frame, the two sliding blocks can only move horizontally, one ends of the two sliding blocks are respectively in sliding connection with the guide blocks and are attached to the inclined planes, a through hole is formed in the other end of the two sliding blocks, the lower ends of the clamping jaws are in running fit in the through hole, the middle positions of the clamping jaws are in running connection with the support frame, and the baffle is fixedly arranged at the upper ends of the support frame and just shields the upper parts of the sliding blocks.
Preferably, the clamping jaw further comprises a rubber pad, and the rubber pad is fixedly installed on the clamping jaw.
Preferably, the preset assembly comprises a first supporting cylinder, a first limiting block, a second supporting cylinder and a second limiting block, wherein the first supporting cylinder is fixedly installed on one side of the supporting frame, the first limiting block is fixedly installed on the top of a piston rod of the first supporting cylinder, the first limiting block can move up and down under the driving of the first supporting cylinder, the second supporting cylinder is fixedly installed on the other side of the supporting frame, the second limiting block is fixedly installed on the top of the piston rod of the second supporting cylinder, and the second limiting block can move up and down under the driving of the second supporting cylinder.
Preferably, the lower side support component is a positioning pin, a plurality of positioning pins are arranged, and the positioning pins are fixedly installed at the upper end of the support frame.
Preferably, the sliding block comprises a sliding block, and the sliding block is characterized by further comprising two dustproof plates, wherein the two dustproof plates are fixedly installed on the front side and the rear side of the supporting frame respectively, and the dustproof plates are located in front of the end parts of the sliding block.
The self-locking type clamping device has the advantages that before a product to be machined is placed into the clamping and positioning device, the limiting block on the pre-positioning component is lifted, then the product to be machined is placed into the supporting frame and is positioned and supported by the lower side supporting component, positioning operation of the product to be machined is completed by matching with the pre-positioning component, then the self-locking type clamping component operates to clamp the product to be machined, machining operation can be started, in the machining operation process, the limiting block on the pre-positioning component can be lowered, and therefore collision between a machining cutter and the pre-positioning component is avoided, and according to different machining requirements, the lever ratio can be adjusted by replacing the clamping claws in the self-locking type clamping component, so that adjustment of the clamping force is achieved. Therefore, the workpiece positioning and clamping can be completed by providing larger clamping force, the device has a self-locking function, loosening of the clamping claw is effectively prevented, the overall stability of the device is improved, and meanwhile, the self-locking structure is simple and convenient for later maintenance.
Drawings
The utility model is further described with reference to the drawings and detailed description which follow:
FIG. 1 is a schematic view of a self-locking clamping and positioning device according to the present utility model;
FIG. 2 is a schematic structural view of a self-locking clamping assembly in the self-locking clamping and positioning device according to the present utility model;
FIG. 3 is a cross-sectional view of a self-locking clamp assembly in the self-locking clamp positioning device of the present utility model;
FIG. 4 is a schematic diagram of the structure of an oil cylinder in the self-locking clamping and positioning device according to the present utility model;
fig. 5 is a schematic structural view of a slider in the self-locking clamping and positioning device according to the present utility model.
Wherein:
1-a supporting frame;
2-lower support assembly, 21-locating pin;
3-preset components, 31-first supporting cylinders, 32-first limiting blocks, 33-second supporting cylinders and 34-second limiting blocks;
4-self-locking clamping components, 41-oil cylinders, 411-inclined planes, 412-guide blocks, 42-sliding blocks, 421-through holes, 43-clamping jaws, 44-rubber pads and 45-baffle plates;
5-dustproof plate.
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 from locking-type clamping positioning device, includes support frame 1, downside supporting component 2, reservation subassembly 3 and from locking-type clamping component 4, downside supporting component 2 fixed mounting is in the upper end of support frame 1, and reservation subassembly 3 is provided with two, and two reservation subassemblies 3 are fixed mounting respectively in the left and right sides of support frame 1, and from locking-type clamping component 4 installs in support frame 1.
Therefore, before a product to be processed is placed into the clamping and positioning device, a limiting block on the pre-positioning component 3 is lifted, then the product to be processed is placed into the supporting frame 1 and is positioned and supported by the lower side supporting component 2, positioning operation of the product to be processed is completed by matching with the pre-positioning component 3, then the self-locking clamping component 4 operates to clamp the product to be processed, then processing operation can be started, in the process of the processing operation, the limiting block on the pre-positioning component 3 can be lowered, so that collision between a processing cutter and the pre-positioning component 3 is avoided, and according to different processing requirements, the lever ratio can be adjusted by replacing the clamping jaw 43 in the self-locking clamping component 4, so that adjustment of the clamping force is realized. Therefore, the workpiece can be positioned and clamped by providing larger clamping force, the device has a self-locking function, the loosening of the clamping jaw 43 is effectively prevented, the overall stability of the device is improved, and meanwhile, the self-locking structure of the device is simple and convenient for later maintenance.
In addition, the self-locking clamping assembly 4 comprises an oil cylinder 41, two sliding blocks 42, clamping jaws 43 and a baffle 45, wherein the oil cylinder 41 is fixedly arranged in the support frame 1, two inclined planes 411 are arranged on a piston rod of the oil cylinder 41, the two inclined planes 411 are mutually symmetrical, guide blocks 412 are fixedly arranged on the two inclined planes 411 respectively, the two sliding blocks 42 are arranged in the support frame 1, the two sliding blocks 42 can only move horizontally, one ends of the two sliding blocks 42 are respectively connected with the guide blocks 412 in a sliding mode, the end faces of the two sliding blocks 42 are attached to the inclined planes 411, through holes 421 are formed in the other ends of the two sliding blocks 42, the lower ends of the clamping jaws 43 are in rotary fit in the through holes 421, the middle positions of the clamping jaws 43 are in rotary connection with the support frame 1, and the baffle 45 is fixedly arranged at the upper end of the support frame 1 and just shielded above the sliding blocks 42. In particular, different lengths of the jaws 43 may be selected to vary the leverage ratio to achieve adjustment of the amount of clamping force.
When the clamping operation is needed, the piston rod of the oil cylinder 41 is lifted, one end of the sliding block 42 is attached to the inclined surface 411 of the piston rod, meanwhile, the displacement direction of the sliding block 42 is limited by the baffle 45 and the support frame 1, so that the sliding block 42 can only horizontally move in the front-back direction under the pushing of the piston rod, the lower end of the clamping jaw 43 is in rotating fit with the sliding block 42, the middle position of the clamping jaw 43 is rotationally connected with the support frame 1, when the sliding block 42 moves outwards, the upper end of the clamping jaw 43 is close to a workpiece to be machined until the workpiece is clamped, after the workpiece is clamped, the piston rod also stops moving and is kept at a fixed position, and meanwhile, a certain friction force exists between the sliding block 42 and the piston rod due to the fact that the inclined surface 411 is supported by the sliding block 42, the sliding block 42 is difficult to slide again, and therefore the self-locking function is realized.
In addition, a rubber pad 44 is further included, and the rubber pad 44 is fixedly mounted on the clamping jaw 43.
In this way, the friction between the clamping jaw 43 and the workpiece is increased, and the workpiece is prevented from being scratched.
In addition, the preset assembly 3 includes a first supporting cylinder 31, a first limiting block 32, a second supporting cylinder 33 and a second limiting block 34, the first supporting cylinder 31 is fixedly installed on one side of the supporting frame 1, the first limiting block 32 is fixedly installed on the top of a piston rod of the first supporting cylinder 31, the first limiting block 32 can move up and down under the driving of the first supporting cylinder 31, the second supporting cylinder 33 is fixedly installed on the other side of the supporting frame 1, the second limiting block 34 is fixedly installed on the top of a piston rod of the second supporting cylinder 33, and the second limiting block 34 can move up and down under the driving of the second supporting cylinder 33.
Thus, the workpiece to be machined can be positioned, and the positioning component 3 can be retracted when the workpiece is machined, so that the machining tool is prevented from colliding with the positioning component 3.
In addition, the lower support assembly 2 is provided with a plurality of positioning pins 21, and the plurality of positioning pins 21 are fixedly mounted at the upper end of the support frame 1.
In this way, the position of the workpiece can be determined more precisely, and the plurality of positioning pins 21 are distributed at the upper end of the support frame 1, so that the stress acting on the support assembly can be dispersed, and local abrasion or damage caused by the overlarge load born by a single contact point can be avoided.
In addition, still include dust guard 5, dust guard 5 is provided with two, and two dust guard 5 are fixed mounting respectively in the front and back both sides of support frame 1, and dust guard 5 is located the place ahead of slider 42 tip.
Therefore, dust or scraps produced by processing are effectively prevented from entering the clamping assembly, normal operation of the clamping assembly is guaranteed, and the service life of the clamping and positioning device is prolonged.
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 (6)
1. The utility model provides a from locking-type clamping positioning device, its characterized in that includes support frame (1), downside supporting component (2), reservation bit assembly (3) and from locking-type clamping component (4), downside supporting component (2) fixed mounting in the upper end of support frame (1), reservation bit assembly (3) are provided with two, two reservation bit assembly (3) respectively fixed mounting in the left and right sides of support frame (1), from locking-type clamping component (4) install in support frame (1).
2. The self-locking clamping positioning device according to claim 1, wherein the self-locking clamping assembly (4) comprises an oil cylinder (41), a sliding block (42), clamping jaws (43) and a baffle plate (45), the oil cylinder (41) is fixedly installed in the supporting frame (1), two inclined planes (411) are arranged on a piston rod of the oil cylinder (41), the two inclined planes (411) are mutually symmetrical, guide blocks (412) are fixedly arranged on the two inclined planes (411) respectively, the sliding block (42) is provided with two sliding blocks (42) which are in sliding connection in the supporting frame (1), the two sliding blocks (42) can only move horizontally, one ends of the two sliding blocks (42) are respectively in sliding connection with the guide blocks (412) and are attached to the inclined planes (411), through holes (421) are formed in the other ends of the two sliding blocks (42), the lower ends of the clamping jaws (43) are in rotary fit in the through holes (421), and the middle part (43) is in position with the supporting frame (1) which is just fixed on the baffle plate (45).
3. The self-locking clamping and positioning device according to claim 2, further comprising a rubber pad (44), said rubber pad (44) being fixedly mounted on said clamping jaw (43).
4. The self-locking clamping and positioning device according to claim 1, 2 or 3, wherein the preset assembly (3) comprises a first supporting cylinder (31), a first limiting block (32), a second supporting cylinder (33) and a second limiting block (34), the first supporting cylinder (31) is fixedly installed on one side of the supporting frame (1), the first limiting block (32) is fixedly installed on the top of a piston rod of the first supporting cylinder (31), the first limiting block (32) can move up and down under the driving of the first supporting cylinder (31), the second supporting cylinder (33) is fixedly installed on the other side of the supporting frame (1), the second limiting block (34) is fixedly installed on the top of a piston rod of the second supporting cylinder (33), and the second limiting block (34) can move up and down under the driving of the second supporting cylinder (33).
5. A self-locking clamping and positioning device according to claim 1, 2 or 3, wherein the lower support assembly (2) is provided with a plurality of positioning pins (21), and a plurality of positioning pins (21) are fixedly mounted at the upper end of the support frame (1).
6. A self-locking clamping and positioning device according to claim 2 or 3, further comprising two dust-proof plates (5), wherein the two dust-proof plates (5) are fixedly mounted on the front side and the rear side of the supporting frame (1) respectively, and the dust-proof plates (5) are positioned in front of the end parts of the sliding blocks (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420666346.4U CN222095444U (en) | 2024-04-02 | 2024-04-02 | Self-locking clamping and positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420666346.4U CN222095444U (en) | 2024-04-02 | 2024-04-02 | Self-locking clamping and positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222095444U true CN222095444U (en) | 2024-12-03 |
Family
ID=93629300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420666346.4U Active CN222095444U (en) | 2024-04-02 | 2024-04-02 | Self-locking clamping and positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222095444U (en) |
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2024
- 2024-04-02 CN CN202420666346.4U patent/CN222095444U/en active Active
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