CN220128822U - Multi-stroke clamping arm - Google Patents
Multi-stroke clamping arm Download PDFInfo
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- CN220128822U CN220128822U CN202321551374.3U CN202321551374U CN220128822U CN 220128822 U CN220128822 U CN 220128822U CN 202321551374 U CN202321551374 U CN 202321551374U CN 220128822 U CN220128822 U CN 220128822U
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- sliding
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- driving source
- block
- clamping
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- 230000005540 biological transmission Effects 0.000 claims description 32
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a multi-stroke clamping arm, comprising: the fixed base is provided with a chute; the limiting assembly is arranged on the fixed base and comprises a limiting driving source and a limiting block driven by the limiting driving source; the clamping assembly comprises a sliding block sliding in a sliding groove, the sliding block penetrates through the sliding groove, a sliding block driving source for driving the sliding block is arranged at one end of the sliding block, a linkage block connected with the sliding block is arranged at the other end of the sliding block, the linkage block is connected with two clamping arms, and the power of the sliding block is transmitted to the clamping arms through the linkage block to drive the two clamping arms to move oppositely or reversely; the sliding block driving source is arranged on the limiting block, the limiting block is driven by the limiting driving source to move, the position of the limiting block corresponding to the sliding groove is adjusted, and the sliding block driving source is driven to adjust the stroke of the sliding block in the sliding groove. According to the utility model, the clamping stroke of the clamping arm can be adjusted according to the size of the clamped workpiece, so that the clamping requirements of products with different sizes are met, and the damage to the workpiece caused by excessive clamping force is prevented.
Description
Technical Field
The utility model relates to the technical field of clamping equipment, in particular to a multi-stroke clamping arm.
Background
Clamping devices, also known as clamps, are used to hold a work object in a correct position during machine manufacturing to accept a device for construction or inspection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in the process may be referred to as a fixture. Such as welding jigs, inspection jigs, assembly jigs, machine jigs, etc.
When the existing clamp is used, the existing clamp is generally only provided with a clamping stroke, namely, the two clamping jaws are opened and attached, when the workpiece is clamped, continuous clamping force is provided for the workpiece, the workpiece with higher rigidity is clamped by the clamp, the clamping effect is not influenced, but the workpiece with softer material is as follows: the aluminum product or the shell with the cavity is easy to deform when being clamped by the clamp, so that the stroke position of the clamping jaw can be determined according to the size of the workpiece when the workpiece is clamped, the stroke is fixed, and the clamping of workpieces with different sizes can not be realized.
Disclosure of Invention
Therefore, the utility model aims to solve the technical problems that the stroke of the clamp is fixed and the clamped workpiece is easy to damage in the prior art, and provides the multi-stroke clamping arm, wherein the clamping stroke of the clamping arm can be adjusted according to the size of the clamped workpiece, so that the clamping requirements of products with different sizes are met, and the damage to the workpiece caused by overlarge clamping force is prevented.
In order to solve the technical problems, the present utility model provides a multi-stroke arm, comprising:
the fixed base is provided with a chute;
the limiting assembly is arranged on the fixed base and comprises a limiting driving source and a limiting block driven by the limiting driving source;
the clamping assembly comprises a sliding block sliding in the sliding groove, the sliding block penetrates through the sliding groove, a sliding block driving source for driving the sliding block is arranged at one end of the sliding block, a linkage block connected with the sliding block is arranged at the other end of the sliding block, the linkage block is connected with two clamping arms, and the power of the sliding block is transmitted to the clamping arms through the linkage block to drive the two clamping arms to move oppositely or reversely;
the sliding block driving source is arranged on the limiting block, the limiting block is driven by the limiting driving source to move, the position of the limiting block corresponding to the sliding groove is adjusted, and the sliding block driving source is driven to adjust the stroke of the sliding block in the sliding groove.
In one embodiment of the present utility model, the linkage block is provided with two transmission grooves, the two transmission grooves are axially symmetrically arranged, the extending direction of the transmission grooves is inclined relative to the extending direction of the sliding grooves, and the two clamping arms slide in the transmission grooves.
In one embodiment of the utility model, one end of the clamping arm is provided with a roller inserted into the transmission groove, and the roller is in contact with the transmission groove and rolls in the transmission groove.
In one embodiment of the present utility model, a first sliding rail is disposed on the fixed base, an extending direction of the first sliding rail is the same as an extending direction of the sliding groove, and the linkage block is slidably connected to the first sliding rail through a first sliding block.
In one embodiment of the utility model, two avoidance blocks are further arranged on the fixed base, an avoidance groove is formed between the two avoidance blocks, the first sliding rail is arranged in the avoidance groove, a second sliding rail is further arranged on the two avoidance blocks, the second sliding rail is perpendicular to the extending direction of the first sliding rail, and the two clamping arms are connected to the second sliding rail in a sliding manner through a second sliding block.
In one embodiment of the present utility model, the limit driving source is a cylinder driving source, the limit block has two moving positions, the limit driving source is a linear module driving source or a screw driving source, and the limit block has a plurality of moving positions.
In one embodiment of the present utility model, a rotating assembly is disposed on each of the two clamping arms, the rotating assembly includes a rotation driving source and a chuck driven by the rotation driving source, the chuck protrudes from the rotation driving source, and the two chucks are disposed opposite to each other.
In one embodiment of the present utility model, a rotation limiting assembly is further disposed on the clamping arm, and the rotation limiting assembly limits a rotation angle of the chuck.
In one embodiment of the utility model, the rotation limiting assembly comprises a third sliding rail and a limiting rod driving source which are arranged on the clamping arm, wherein the output end of the limiting rod driving source is provided with a limiting rod sliding on the third sliding rail, and the clamping head is provided with an arc limiting groove for inserting the limiting rod.
In one embodiment of the utility model, a profiling jaw or an electromagnetic jaw is attached to the chuck.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the multi-stroke clamping arm, the limiting assembly is arranged to adjust the stroke of the sliding block in the sliding groove in the clamping assembly, so that the stroke of the clamping arm can be controlled, the clamping position of the clamping arm is adjusted according to the size of a product, and the clamping arm is placed to cause damage to the product; meanwhile, the limiting component is used for adjusting the sliding block to have a plurality of strokes in the sliding groove, so that the clamping and fixing of products with different sizes can be realized.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an exploded construction of the present utility model;
fig. 3 is a schematic structural diagram of the rotation component and the rotation limiting component of the present utility model.
Description of the specification reference numerals: 1. a fixed base; 11. a chute; 12. avoiding blocks; 2. a limit component; 21. a limit driving source; 22. a limiting block; 3. a clamping assembly; 31. a slide block; 32. a slider driving source; 33. a linkage block; 331. a transmission groove; 34. a clamping arm; 341. a roller; 35. a first slide rail; 36. a second slide rail; 4. a rotating assembly; 41. a rotation driving source; 42. a chuck; 421. an arc-shaped limit groove; 5. a rotation limiting assembly; 51. a third slide rail; 52. a stop lever drive source; 53. and a limit rod.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1 and 2, the multi-stroke arm of the present utility model comprises: unable adjustment base 1, spacing subassembly 2 and clamping assembly 3, wherein: at least one chute 11 is arranged on the fixed base 1; the limiting assembly 2 comprises a limiting driving source 21 and a limiting block 22 driven by the limiting driving source 21, the limiting driving source 21 is arranged on the fixed base 1, the limiting driving source 21 is away from the sliding chute 11 and is arranged on the outer side of the sliding chute 11 along the extending direction of the sliding chute 11, the limiting block 22 is connected with the output end of the limiting driving source 21, the limiting block 22 is pushed by the limiting driving source 21 to slide on the base, the limiting block 22 slides towards the direction of the sliding chute 11, and the sliding direction is the same as the extending direction of the sliding chute 11; the clamping assembly 3 comprises a sliding block 31 sliding in the sliding groove 11, the sliding block 31 penetrates through the sliding groove 11, two ends of the sliding block 31 respectively protrude out of two sides of the fixed base 1, a sliding block driving source 32 driving the sliding block 31 is arranged at one end of the sliding block 31, a linkage block 33 connected with the sliding block 31 is arranged at the other end of the sliding block 31, the power of the sliding block driving source 32 is transmitted into the linkage block 33 through the sliding block 31, the sliding block 31 moves along the extending direction of the sliding groove 11 due to the limitation of the sliding groove 11, so that the linkage block 33 can be driven to move along the extending direction of the sliding groove 11, the linkage block 33 is connected with two clamping arms 34, the power of the sliding block 31 is transmitted to the clamping arms 34 through the linkage block 33 in the moving process of the linkage block 33, the two clamping arms 34 are driven to move in opposite directions or reversely, the clamping action of the two clamping arms 34 is realized, the stroke of the clamping arms 34 can be controlled according to the sliding length of the sliding block 31 in the sliding groove 11, the sliding length of the sliding groove 11 can be controlled, the workpiece can be easily clamped by the clamping arms 34 when the sliding groove 11 is controlled, and the workpiece is easy to be clamped by the clamping the workpiece 34, and the workpiece can not be easily deformed when the workpiece is clamped by the housing 34 is easy when the workpiece is clamped by the clamping the workpiece, and the workpiece is easy;
in this embodiment, in order to control the stroke of the slider 31 in the chute 11, the slider driving source 32 is disposed on the stopper 22, and the stopper 22 is driven by the stopper driving source 21 to move, because the sliding direction of the stopper 22 is the direction of the chute 11 and is the same as the extending direction of the chute 11, after the slider driving source 32 is disposed on the stopper 22, the slider driving source 32 can be driven by the stopper 22 to move, so as to adjust the initial position of the slider 31 in the chute 11, and because the two ends of the chute 11 are fixed, when the initial position of the slider 31 in the chute 11 is changed, the stroke of the slider 31 in the chute 11 is changed, and the plurality of different positions of the slider 31 in the chute 11 are adjusted by the limiting assembly 2, so that the slider 31 has a plurality of different strokes, the stroke of the slider 31 is different, the stroke of the linkage block 33 is different, and the stroke of the clamping arm 34 is different, so that the clamping and fixing of different-sized products can be realized.
Specifically, the initial position of the clamping assembly 3 is determined by the limiting assembly 2, in order to realize the adjustment of the initial position of the clamping assembly 3, the limiting driving source 21 in the limiting assembly 2 needs to drive the limiting block 22 to have at least two positions, in this embodiment, the limiting driving source 21 is set to be a cylinder driving source, and the cylinder driving source can drive the limiting block 22 to stretch or retract, so that the movement of the limiting block 22 in the two positions can be realized, and the clamping arm 34 has two strokes; in other embodiments, the limiting driving source 21 may be a linear module driving source or a screw driving source, where the linear module driving source or the screw driving source can both drive the limiting block 22 to move and stop at a plurality of different positions, so that the clamping arm 34 has a plurality of strokes, and the specific strokes can be adjusted according to the size of the product to be clamped.
In this embodiment, the two clamping arms 34 are driven to move synchronously in opposite directions or in opposite directions by the linkage block 33, as shown in fig. 2, two transmission grooves 331 are formed in the linkage block 33, the two transmission grooves 331 are axially symmetrically arranged, the extending directions of the transmission grooves 331 are obliquely arranged relative to the extending directions of the sliding grooves 11, the ends of the two clamping arms 34 are respectively inserted into the two transmission grooves 331, when the linkage block 33 slides under the driving of sliding, the two clamping arms 34 slide in the transmission grooves 331 under the limit of the transmission grooves 331, and because the extending directions of the transmission grooves 331 are obliquely arranged relative to the extending directions of the sliding grooves 11, the two clamping arms 34 move in opposite directions or in opposite directions under the limit of the transmission grooves 331, thereby realizing the opening and closing actions of the two clamping arms 34.
Specifically, the clamping arm 34 abuts against the side wall of the transmission groove 331, so that the direction of the transmission of the linkage block 33 can be changed through the transmission groove 331, in order to reduce the friction between the clamping arm 34 and the side wall of the transmission groove 331, a roller 341 is disposed at one end of the clamping arm 34 inserted into the transmission groove 331, the roller 341 is inserted into the transmission groove 331 and contacts with the side wall of the transmission groove 331, and rolls in the transmission groove 331, so that the sliding friction is changed into rolling friction, and the sliding of the clamping arm 34 in the transmission groove 331 is smoother.
In this embodiment, in order to further limit the sliding directions of the linkage block 33 and the clamping arm 34 and provide sliding spaces for the linkage block 33 and the clamping arm 34, a first sliding rail 35 is provided on the fixed base 1, the extending direction of the first sliding rail 35 is the same as that of the sliding groove 11, the linkage block 33 is slidably connected to the first sliding rail 35 through a first sliding block 31, and, in order to avoid the first sliding rail 35, two avoidance blocks 12 are further provided on the fixed base 1, an avoidance groove is formed between the two avoidance blocks 12, the first sliding rail 35 is provided in the avoidance groove, the linkage block 33 is also provided in the avoidance groove, two avoidance blocks 12 are further provided with a second sliding rail 36, the second sliding rail 36 is perpendicular to the extending direction of the first sliding rail 35, and the two clamping arms 34 are slidably connected to the second sliding rail 36 through the second sliding block 31.
In the practical application process, when clamping a product, not only the clamping position corresponding to the product moved by the clamp needs to be controlled, but also the relative clamping angle needs to be adjusted, the multi-stroke clamping arm of the embodiment can set the fixed base 1 in the multi-axis driving device according to the use requirement, so as to realize the movement of the XYZ three axes in space, in order to meet the adjustment of the clamping angle, as shown in FIG. 1, the rotating assemblies 4 are arranged on the two clamping arms 34 of the embodiment, the rotating assemblies 4 comprise a rotating driving source 41 and a clamping head 42 driven by the rotating driving source 41, and the rotating driving source 41 is fixed on the clamping arms 34. The chucks 42 protrude from the rotary driving source 41, the chucks 42 are disposed opposite to each other, the product is clamped by the chucks 42, and the angle of the clamped product is adjusted by the rotary driving source 41.
Specifically, the rotation driving source 41 not only can adjust the clamping angle before clamping the product, but also can drive the product to rotate after clamping the product, in a specific use process, the rotation angle of the product needs to be limited, for example, the product is turned over, referring to fig. 1, the clamping arm 34 is further provided with a rotation limiting assembly 5, and the rotation angle of the clamping head 42 is limited by the rotation limiting assembly 5 according to the requirement.
Referring to fig. 3, in this embodiment, the rotation limiting assembly 5 includes a third sliding rail 51 disposed on the clamping arm 34 and a limiting rod driving source 52, an output end of the limiting rod driving source 52 is provided with a limiting rod 53 sliding on the third sliding rail 51, an arc limiting groove 421 into which the limiting rod 53 is inserted is formed in the chuck 42, when the rotation angle of the chuck 42 needs to be limited, the limiting rod 53 is inserted into the arc limiting groove 421, and an arc formed in the arc limiting groove 421 is an angle that the chuck 42 allows to rotate.
Specifically, in order to prevent extrusion to the product in the actual use process, the multi-stroke clamping arm of the embodiment is not used for clamping the product completely through the clamping force of the clamping head 42 when clamping the product, in the actual clamping process, the clamping head 42 can be improved according to the shape and the material of the product, the clamping head 42 can be connected with a profiling clamping jaw with the same shape as the product, the product is limited and clamped through the profiling clamping jaw, the clamping stability is kept, meanwhile, the electromagnetic clamping jaw can be connected with the clamping head 42 according to the material of the product, and the product is clamped and fixed through electromagnetic adsorption.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. A multi-stroke arm clamp comprising:
the fixed base is provided with a chute;
the limiting assembly is arranged on the fixed base and comprises a limiting driving source and a limiting block driven by the limiting driving source;
the clamping assembly comprises a sliding block sliding in the sliding groove, the sliding block penetrates through the sliding groove, a sliding block driving source for driving the sliding block is arranged at one end of the sliding block, a linkage block connected with the sliding block is arranged at the other end of the sliding block, the linkage block is connected with two clamping arms, and the power of the sliding block is transmitted to the clamping arms through the linkage block to drive the two clamping arms to move oppositely or reversely;
the sliding block driving source is arranged on the limiting block, the limiting block is driven by the limiting driving source to move, the position of the limiting block corresponding to the sliding groove is adjusted, and the sliding block driving source is driven to adjust the stroke of the sliding block in the sliding groove.
2. The multi-stroke clamp arm of claim 1, wherein: two transmission grooves are formed in the linkage block, the two transmission grooves are arranged in an axisymmetric mode, the extending direction of the transmission grooves is inclined relative to the extending direction of the sliding grooves, and the two clamping arms slide in the transmission grooves.
3. The multi-stroke clamp arm of claim 2, wherein: one end of the clamping arm is provided with a roller inserted into the transmission groove, and the roller is contacted with the transmission groove and rolls in the transmission groove.
4. The multi-stroke clamp arm of claim 1, wherein: the fixed base is provided with a first sliding rail, the extending direction of the first sliding rail is the same as the extending direction of the sliding groove, and the linkage block is connected to the first sliding rail in a sliding manner through a first sliding block.
5. The multi-stroke clamp arm of claim 4, wherein: the fixed base is further provided with two avoidance blocks, an avoidance groove is formed between the two avoidance blocks, the first sliding rail is arranged in the avoidance groove, the two avoidance blocks are further provided with second sliding rails, the second sliding rails are perpendicular to the extending direction of the first sliding rails, and the two clamping arms are connected to the second sliding rails through second sliding blocks in a sliding mode.
6. The multi-stroke clamp arm of claim 1, wherein: the limiting driving source is a cylinder driving source, the limiting block is provided with two moving positions, the limiting driving source is a linear module driving source or a screw rod driving source, and the limiting block is provided with a plurality of moving positions.
7. The multi-stroke clamp arm of claim 1, wherein: the clamping arms are provided with rotating assemblies, each rotating assembly comprises a rotating driving source and a chuck driven by the corresponding rotating driving source, the chucks protrude out of the corresponding rotating driving source, and the two chucks are oppositely arranged.
8. The multi-stroke clamp arm of claim 7, wherein: the clamping arm is also provided with a rotation limiting assembly, and the rotation limiting assembly limits the rotation angle of the clamping head.
9. The multi-stroke clamp arm of claim 8, wherein: the rotary limiting assembly comprises a third sliding rail and a limiting rod driving source, wherein the third sliding rail and the limiting rod driving source are arranged on the clamping arm, the output end of the limiting rod driving source is provided with a limiting rod sliding on the third sliding rail, and an arc limiting groove for the limiting rod to be inserted into is formed in the clamping head.
10. The multi-stroke clamp arm of claim 7, wherein: and the chuck is connected with a profiling clamping jaw or an electromagnetic clamping jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321551374.3U CN220128822U (en) | 2023-06-16 | 2023-06-16 | Multi-stroke clamping arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321551374.3U CN220128822U (en) | 2023-06-16 | 2023-06-16 | Multi-stroke clamping arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220128822U true CN220128822U (en) | 2023-12-05 |
Family
ID=88956660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321551374.3U Active CN220128822U (en) | 2023-06-16 | 2023-06-16 | Multi-stroke clamping arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220128822U (en) |
-
2023
- 2023-06-16 CN CN202321551374.3U patent/CN220128822U/en active Active
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