CN219541612U - Pneumatically adjustable jaw assembly and pliers - Google Patents
Pneumatically adjustable jaw assembly and pliers Download PDFInfo
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- CN219541612U CN219541612U CN202320560104.2U CN202320560104U CN219541612U CN 219541612 U CN219541612 U CN 219541612U CN 202320560104 U CN202320560104 U CN 202320560104U CN 219541612 U CN219541612 U CN 219541612U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to a pneumatic adjustable clamp jaw, which relates to the technical field of clamps, and comprises a clamp, a pneumatic cylinder and a supporting plate; each jaw comprises a pair of movable blocks, and the movable blocks are symmetrically arranged along the central axis of the supporting plate; one side of each movable block is provided with a chamfer, the chamfer of a pair of movable blocks is arranged in a pair of opposite directions, and a pair of jaws share four chamfer surfaces which are used for clamping a workpiece; the guide device is provided with a guide groove and a guide column, and the guide column is matched with the corresponding guide groove; the pneumatic cylinder sets up in the recess of a pair of movable block, and the both ends of pneumatic cylinder are equipped with two movable plugs, and every movable plug contacts with the movable block that corresponds, and the pneumatic cylinder is fixed to be set up in the backup pad. Each pair of movable blocks can move according to the size and shape of the workpiece, so that the size of a jaw is adjusted, and the clamping stability and the universality of clamping the workpiece are improved.
Description
Technical Field
The utility model relates to the field of clamps, in particular to a pneumatic adjustable jaw assembly and a clamp.
Background
Forging is a process of applying pressure to a metal blank by a forging machine to plastically deform the blank to obtain a forging having certain mechanical properties, shape and size.
The forging process needs to use the forging work piece centre gripping of clamp pair, however, the jaw size of most of the clamps that use at present is fixed, can't adjust the jaw size according to the shape size of work piece, and when work piece irregular or shape is great, can't make the processing work piece fully contact with the jaw, often can appear the centre gripping unstable, and the centre gripping reliability reduces, and appears the phenomenon of the jaw wearing and tearing that can't contact with the chamfer of jaw because of work piece shape size problem in the centre gripping process to influence production efficiency.
Disclosure of Invention
The purpose of the utility model is that: in order to overcome the defects in the prior art, the utility model provides a pneumatic adjustable jaw assembly, and aims to solve the technical problems that the sizes of clamp jaws are fixed, so that the shape and the size of a clamped workpiece are limited, the clamping reliability is reduced, and the clamp jaws can adjust the opening sizes so as to adapt to workpieces with different shapes and sizes, improve the universality of the clamp workpiece and improve the clamping reliability.
The technical scheme is as follows: in order to achieve the above purpose, the utility model adopts the following technical scheme:
in one aspect, a pneumatically adjustable jaw assembly includes a pair of jaws, a pair of pneumatic cylinders and a pair of support plates;
each jaw comprises a pair of movable blocks, and the two movable blocks are symmetrically arranged along the central axis of the supporting plate; and
one side of each movable block is provided with a chamfer, the chamfer of a pair of movable blocks is arranged in a pair of opposite directions, and a pair of jaws share four chamfer surfaces which are used for clamping a workpiece;
a guide groove provided on the support plate; and
the guide column is arranged at one end of the movable block and is matched with the corresponding guide groove;
the pneumatic cylinders are arranged in the grooves of the pair of movable blocks, two movable plugs are arranged at two ends of each pneumatic cylinder, each movable plug is in contact with the corresponding movable block, and the pneumatic cylinders are fixedly arranged on the supporting plates;
when a pair of movable blocks on the clamp are in an open state, the pneumatic cylinder drives pistons at two ends to move, and the pistons at two ends move to drive the corresponding movable blocks to move in corresponding guide grooves in the corresponding support plates.
Optionally, the guide post and the corresponding movable block are integrally formed.
Optionally, two guide grooves are arranged on each support plate, and each guide groove corresponds to a corresponding movable block.
Optionally, the guide groove is T-shaped.
Alternatively, the two chamfer faces of each pair of movable blocks are V-shaped when each pair of movable blocks is in the closed position.
On the other hand, the clamp comprises a driving rod, a connecting rod is arranged on the driving rod, the connecting rod is rotationally connected with a push rod, the push rod is hinged with a guide rod, the guide rod is fixedly arranged on the driving rod, the push rod is connected with a clamping mechanism, and the clamping mechanism comprises a first clamping mechanism and a second clamping mechanism which are oppositely arranged.
The technical scheme provided by the utility model has the beneficial effects that at least:
a pair of movable blocks on the clamp can move according to the shape of a machined workpiece, the pneumatic cylinder drives pistons at two ends to move, the pistons at two ends move to drive the corresponding movable blocks to move in corresponding guide grooves in corresponding support plates, accordingly, the size of the clamp jaw is adjusted, the chamfer of the movable blocks is fully contacted with the machined workpiece, clamping reliability is improved, clamping is stable, and the universality of the clamp workpiece is strong.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 illustrates a schematic diagram of a clamp provided in accordance with an exemplary embodiment of the present utility model;
FIG. 2 illustrates a schematic view of a jaw assembly of a clamp for holding a small workpiece in accordance with an exemplary embodiment of the present utility model;
FIG. 3 is a schematic view of a jaw assembly for clamping a large workpiece using a clamp according to an exemplary embodiment of the utility model;
FIG. 4 illustrates a schematic view of a first clamping mechanism provided in accordance with an exemplary embodiment of the present utility model;
FIG. 5 illustrates a schematic diagram of a first movable block according to an exemplary embodiment of the present utility model;
FIG. 6 illustrates a top view of a first support plate provided by an exemplary embodiment of the present utility model;
in the figure:
1. a first clamping mechanism; 13. a first jaw; 11. a first movable block; 12. a second movable block; 111. a first guide post; 112. a first chamfer; 113. a second chamfer; 114. a second guide post; 115. a third chamfer; 116. a fourth chamfer;
2. a second clamping mechanism; 20. a second jaw; 21. a third movable block; 22. a fourth movable block;
3. a first pneumatic cylinder; 31. a first piston; 32. a second piston;
4. a second pneumatic cylinder; 41. a third piston; 42. a fourth piston;
5. a first support plate; 50. a first guide groove; 51. a second guide groove;
6. a second support plate; 60. a third guide groove; 61. a fourth guide groove;
7. a driving rod;
8. a guide rod;
9. a connecting rod;
10. a push rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
A pair of jaws, a pair of pneumatic cylinders and a pair of support plates;
in one embodiment of the utility model, a pneumatically adjustable jaw assembly comprises a pair of jaws, a pair of pneumatic cylinders and a pair of support plates, each jaw comprising a pair of movable blocks, the two movable blocks being symmetrically arranged along a central axis of the support plates; one side of each movable block is provided with a chamfer, the chamfer of a pair of movable blocks is arranged in a pairwise manner, and a pair of jaws have four chamfer surfaces which are used for clamping a workpiece; a guide groove provided on the support plate; the guide column is arranged at one end of the movable block and is matched with the corresponding guide groove; the pneumatic cylinders are arranged in the grooves of the pair of movable blocks, two movable plugs are arranged at two ends of each pneumatic cylinder, each movable plug is in contact with the corresponding movable block, and the pneumatic cylinders are fixedly arranged on the supporting plates; when the pair of movable blocks on the clamp are in an open state, the pneumatic cylinders drive pistons at two ends to move, and the pistons at two ends move to drive the corresponding movable blocks to move in corresponding guide grooves in the corresponding support plates.
The utility model will be further described with reference to the drawings and examples.
Fig. 1 shows a schematic structural view of a clamp according to an exemplary embodiment of the present utility model, referring to fig. 1, the clamp includes a driving rod 7, two guide rods 8, two connecting rods 9, two pushing rods 10 and two clamping mechanisms, the clamping mechanisms include a first clamping mechanism 1 and a second clamping mechanism 2, the first clamping mechanism 1 and the second clamping mechanism 2 are oppositely arranged, one end of the connecting rod 9 is fixedly connected at the center of the driving rod 7, the other end of the connecting rod 9 is rotatably connected with one end of the pushing rod 10, the pushing rods 10 are hinged with the guide rods 8, the two guide rods are fixed at two ends of the driving rod 7, the other end of the connecting rod 9 is movably connected with the clamping mechanisms, wherein the connecting rods are integrally formed, and when a workpiece is clamped, the rotation of the connecting rods drives the pushing rods to move around connection points of the connecting rods and the pushing rods.
Fig. 2 is a schematic structural view of a jaw assembly for pneumatically adjustable pliers according to an exemplary embodiment of the present utility model, referring to fig. 2, a pneumatically adjustable jaw assembly includes a jaw, a pneumatic cylinder and a support plate, a first jaw mechanism 1 includes a first jaw 13, the first jaw 13 includes a first movable block 11 and a second movable block 12, the first movable block 11 and the second movable block 12 are symmetrically disposed along a central axis of the first support plate, a first pneumatic cylinder 3 is disposed at a groove position of the first movable block 11 and a groove position of the second movable block 12, a first piston 31 and a second piston 32 are disposed at both ends of the first pneumatic cylinder 3, the first piston 31 is in contact with the first movable block 11, the second piston 32 is in contact with the second movable block 12, one end of the first movable block 11 is provided with a first guide post 111 matching with the first guide groove 50 provided on the first support plate 5, the first guide post 11 and the first movable block 11 are integrally formed, the first movable block 11 can move up and down in the first guide groove 50 of the first supporting plate 5, one end of the second movable block 12 is provided with a second guide post 114 matched with the second guide groove 51 arranged on the first supporting plate 5, the second movable block 12 can move up and down in the second guide groove 51 of the first supporting plate 5, one end of the first movable block 11 is provided with a first chamfer 112, one end of the second movable block 12 is provided with a second chamfer 113, when a workpiece is not clamped, the first chamfer 112 and the second chamfer 113 are in a V shape, the structure of the second clamping mechanism 2 is the same as that of the first clamping mechanism 1, not repeated description, the second clamping mechanism 2 and the first clamping mechanism 1 are in axisymmetric arrangement, when a small workpiece is clamped, the piston of the pneumatic cylinder does not move, the first movable block 11 and the second movable block 12 of the first clamping mechanism 1 are closed, the third movable block 21 and the fourth movable block 22 of the second clamping mechanism 2 are closed, the first chamfer surface 112 of the first movable block 11 and the second chamfer surface 113 of the second movable block 12, and the third chamfer surface 115 of the third movable block 21 and the fourth chamfer surface 116 of the fourth movable block 22 are used for clamping a workpiece.
In the embodiment of the utility model, the guide post and the corresponding movable block are integrally formed.
In the embodiment of the utility model, two guide grooves are arranged on each support plate, and each guide groove corresponds to a corresponding movable block, and preferably, the guide grooves are in a T shape.
In the embodiment of the utility model, when each pair of movable blocks is in a closed state, the two chamfer surfaces of each pair of movable blocks are in a V shape, and when the workpiece is clamped, the chamfer surfaces are in full contact with the clamped workpiece, so that the clamping is more stable.
Fig. 3 is a schematic view of a jaw assembly structure of a pneumatic adjustable clamp according to an exemplary embodiment of the present utility model, referring to fig. 3, when clamping a large workpiece, the movement of the first piston 31 of the first pneumatic cylinder 3 drives the first movable block 11 to move in the first guide groove 50 of the first support plate 5, the movement of the second piston 32 of the first pneumatic cylinder 3 drives the second movable block 12 to move up and down in the second guide groove 51 of the first support plate 5, the movement of the third piston 41 of the second pneumatic cylinder 4 drives the third movable block 21 to move up and down in the third guide groove 60 of the second support plate 6, and the movement of the fourth piston 42 of the second pneumatic cylinder 4 drives the fourth movable block 22 to move up and down in the fourth guide groove 61 of the second support plate 6, so that the first and second jaws adjust the first and second diagonal planes 112, 113, 115, 116 and 116 are in full contact with the workpiece according to the size of the workpiece, so that uniform clamping force can be provided for clamping the workpiece, and stable clamping of the workpiece can be prevented from being crushed by the fourth jaw. During processing, the motion of the pneumatic cylinder can be controlled, the workpiece to be processed can be guaranteed to be fully contacted with four chamfer surfaces, the clamping force is more uniform, the pneumatic cylinder is suitable for grabbing cuboids, cylinders, spheres, ellipsoids and the like, the universality is strong, the grabbing range is larger, the processing effect is better, and the abrasion to the jaw is minimum.
Referring to fig. 4 to 6, according to an exemplary embodiment of the present utility model, a first movable block 11 is fixedly connected to a first guide post 111, the first movable block 11 is integrally formed with the first guide post 111, a gap is formed between the first guide post 111 and a first guide groove 50, up-and-down movement of the first movable block 11 and a second movable block 12 is driven by a pneumatic cylinder, the movement distance of the first movable block 11 and the second movable block 12 is precisely controlled, a first piston 31 of a first pneumatic cylinder 3 is in contact with the first movable block 11, a second movable plug 32 is in contact with the second movable block 12, the first pneumatic cylinder 3 drives the first movable plug 31 and the second movable plug 32 to move, and the first movable block 11 is driven to move along a first guide groove 50 on a first support plate 5 and the second movable block 12 is driven to move along a second guide groove 51 on the first support plate 5.
The first pneumatic cylinder 3 and the second pneumatic cylinder 4 drive the opening and closing of the jaws, the gas pressure in the pneumatic cylinder can be calculated according to the contact force required by stable grabbing for clamping the workpiece, and the driving force of the cylinder is controlled through a travel switch valve and pressure feedback. The first pneumatic cylinder 3 is fixed on the first supporting plate 5, the second pneumatic cylinder 4 is fixed on the second supporting plate 6, the first piston 31 and the second piston 32 of the first pneumatic cylinder 3, and the third piston 41 and the fourth piston 42 of the second pneumatic cylinder 4 can move according to the shape and the size of a machined workpiece.
In summary, according to the pneumatic adjustable clamp assembly and the clamp provided by the embodiment of the utility model, each pair of movable blocks can move according to the size and shape of a workpiece, so that the size of the clamp jaw is adjusted, four chamfer surfaces are fully contacted with the processed workpiece, the clamping force is more stable, the clamping reliability is improved, the pneumatic adjustable clamp assembly and the clamp are suitable for grabbing cuboids, cylinders, spheres, ellipsoids and the like, and the universality of the clamp workpiece is improved.
The foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements within the spirit and principles of the present utility model.
Claims (6)
1. A pneumatically adjustable jaw assembly comprising a pair of jaws, a pair of pneumatic cylinders and a pair of support plates;
each jaw comprises a pair of movable blocks, and the movable blocks are symmetrically arranged along the central axis of the supporting plate; and
one side of each movable block is provided with a chamfer, the chamfer of a pair of movable blocks is arranged in a pair of opposite directions, and a pair of jaws share four chamfer surfaces which are used for clamping a workpiece;
a guide groove provided on the support plate; and
the guide column is arranged at one end of the movable block and is matched with the corresponding guide groove;
the pneumatic cylinders are arranged in the grooves of the pair of movable blocks, two movable plugs are arranged at two ends of each pneumatic cylinder, each movable plug is in contact with the corresponding movable block, and the pneumatic cylinders are fixedly arranged on the supporting plates;
when a pair of movable blocks on the clamp are in an open state, the pneumatic cylinder drives pistons at two ends to move, and the pistons at two ends move to drive the corresponding movable blocks to move in corresponding guide grooves in the corresponding support plates.
2. The pneumatically adjustable jaw assembly of claim 1, wherein the guide posts are integrally formed with the corresponding movable blocks.
3. The pneumatically adjustable jaw assembly of claim 1, wherein two guide slots are provided on each support plate, each guide slot corresponding to a respective movable block.
4. A pneumatically adjustable jaw assembly as claimed in claim 3, wherein said guide slot is T-shaped.
5. The pneumatically adjustable jaw assembly of any one of claims 1 to 4, wherein the two chamfer faces of each pair of movable blocks are V-shaped when each pair of movable blocks is in the closed position.
6. A clamp comprising a drive rod, a connecting rod arranged on the drive rod, the connecting rod is rotationally connected with a push rod, the push rod is hinged with a guide rod, the guide rod is fixedly arranged on the drive rod, the push rod is connected with a clamping mechanism, the clamping mechanism comprises a first clamping mechanism and a second clamping mechanism which are oppositely arranged, and the pneumatic adjustable clamping assembly as claimed in claim 1 is characterized in that the first clamping mechanism and the second clamping mechanism are assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320560104.2U CN219541612U (en) | 2023-03-21 | 2023-03-21 | Pneumatically adjustable jaw assembly and pliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320560104.2U CN219541612U (en) | 2023-03-21 | 2023-03-21 | Pneumatically adjustable jaw assembly and pliers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219541612U true CN219541612U (en) | 2023-08-18 |
Family
ID=87703419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320560104.2U Active CN219541612U (en) | 2023-03-21 | 2023-03-21 | Pneumatically adjustable jaw assembly and pliers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219541612U (en) |
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2023
- 2023-03-21 CN CN202320560104.2U patent/CN219541612U/en active Active
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