CN215237917U - Automatic clamp for numerical control machine tool - Google Patents
Automatic clamp for numerical control machine tool Download PDFInfo
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- CN215237917U CN215237917U CN202121176853.2U CN202121176853U CN215237917U CN 215237917 U CN215237917 U CN 215237917U CN 202121176853 U CN202121176853 U CN 202121176853U CN 215237917 U CN215237917 U CN 215237917U
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- hydraulic chuck
- jaw hydraulic
- chuck
- extrusion
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Abstract
The utility model discloses an automatic clamp for digit control machine tool, including three-jaw hydraulic chuck, three-jaw hydraulic chuck includes three jack catch, one side that three-jaw hydraulic chuck is close to the jack catch is fixed with a plurality of L shape connecting rod, a plurality of L shape connecting rod is fixed with the connecting pipe jointly, the one end that three-jaw hydraulic chuck was kept away from to the connecting pipe is fixed with the tubulose chuck, be provided with the extrusion piece in the tubulose chuck, the one end that the extrusion piece is close to three-jaw hydraulic chuck is fixed with connecting screw, connecting screw has connecting sleeve through threaded connection near three-jaw hydraulic chuck's one end, connecting sleeve is close to three-jaw hydraulic chuck's one end and is fixed with the extrusion round platform, be provided with the dog that is fixed in connecting sleeve between extrusion round platform and the connecting pipe, be provided with the spring between extrusion round platform and the three-jaw hydraulic chuck. The utility model discloses can be convenient carry out clamping and dismantlement to tubular workpiece blank, solve operation personnel's problem.
Description
Technical Field
The utility model relates to a machining anchor clamps technical field especially relates to an automatic clamp for digit control machine tool.
Background
When a numerical control machine tool is used for processing products, a clamp is often required to be applied, corresponding clamp tools are required to be manufactured during production due to different shapes and sizes of workpieces, workpiece blanks can be stably clamped for processing, when the outer circumferential surfaces of some tubular workpieces with small diameters are processed, clamping cannot be performed from the outer circumferential surfaces of the workpieces, clamping must be performed from inner holes of the tubular workpieces, and therefore little trouble is brought to operators.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
When solving the outer periphery of the less tubulose work piece of some diameters of processing that proposes among the background art, can not carry out the clamping from the outer periphery of work piece, must carry out the clamping from the hole of tubulose work piece altogether, bring not little puzzlement for the operating personnel, the utility model provides an automatic clamp for digit control machine tool, can be convenient carry out the clamping and dismantle to tubulose work piece blank, solved operating personnel's problem.
(II) technical scheme
The utility model provides an automatic clamp for a numerical control machine tool, which comprises a three-jaw hydraulic chuck, wherein the three-jaw hydraulic chuck comprises three jaws, one side of the three-jaw hydraulic chuck close to the jaws is fixed with a plurality of L-shaped connecting rods, the L-shaped connecting rods are jointly fixed with a connecting pipe, one end of the connecting pipe far away from the three-jaw hydraulic chuck is fixed with a tubular chuck, an extrusion block is arranged in the tubular chuck, one end of the extrusion block close to the three-jaw hydraulic chuck is fixed with a connecting screw rod, one end of the connecting screw rod close to the three-jaw hydraulic chuck is connected with a connecting sleeve through threads, one end of the connecting sleeve close to the three-jaw hydraulic chuck is fixed with an extrusion round table, a stop block fixed on the connecting sleeve is arranged between the extrusion round table and the connecting pipe, a spring is arranged between the extrusion round table and the three-jaw hydraulic chuck, and one side of the three jaws close to the extrusion round table is respectively fixed with a triangular push block, and the triangular push block is matched with the extrusion round table in position.
Preferably, the outside processing of connecting pipe has the external screw thread, the external screw thread has location circle piece and lock nut through threaded connection, just lock nut is located the one side that is close to three-jaw hydraulic chuck, the outer periphery of location circle piece is provided with anti-skidding line.
Preferably, the tubulose chuck includes the reducing pipe and supports the centre gripping pipe, the diameter that three-jaw hydraulic chuck one end was kept away from to the reducing pipe is greater than the diameter that is close to three-jaw hydraulic chuck one end, just it is fixed in the reducing pipe and keeps away from the one end of three-jaw hydraulic chuck to support the centre gripping pipe, a plurality of evenly distributed's the seam is seted up jointly to the reducing pipe and support the centre gripping pipe.
Preferably, the extrusion block is in a circular truncated cone shape, and the inclination angle of the outer circumferential surface of the extrusion block is matched with the inclination angle of the reducer pipe.
Preferably, one end of the extrusion block, which is far away from the connecting screw rod, is provided with an inner hexagonal hole.
Preferably, the inner hole of the connecting pipe is polygonal, and the outer diameter of the connecting sleeve is matched with the inner hole of the connecting pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
through the arrangement of the tubular chuck, the extrusion block, the extrusion circular truncated cone, the triangular push block, the positioning circular block, the connecting pipe and the like, the tubular workpiece blank can be conveniently clamped and disassembled, and the problem of operators is solved.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of an automatic clamp for a numerical control machine tool according to the present invention;
fig. 2 is the utility model provides a main view cross-sectional view of automatic clamp for digit control machine tool.
In the figure: the hydraulic clamping device comprises a three-jaw hydraulic chuck 1, clamping jaws 101, a 2L-shaped connecting rod, a connecting pipe 3, a tubular clamping head 4, a reducing pipe 401, a supporting clamping pipe 402, a slot 403, a hexagonal socket 5, an extrusion block 6, a connecting screw 7, a connecting sleeve 8, an extrusion circular table 9, a positioning circular block 11, a locking nut 12, a spring 13, a triangular push block 14 and a stop block 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 1-2, the utility model provides an automatic clamp for a numerical control machine tool, which comprises a three-jaw hydraulic chuck 1, wherein the three-jaw hydraulic chuck 1 comprises three jaws 101, one side of the three-jaw hydraulic chuck 1 close to the jaws 101 is fixed with a plurality of L-shaped connecting rods 2, the plurality of L-shaped connecting rods 2 are jointly fixed with a connecting pipe 3, one end of the connecting pipe 3 far away from the three-jaw hydraulic chuck 1 is fixed with a tubular chuck 4, an extrusion block 6 is arranged in the tubular chuck 4, one end of the extrusion block 6 close to the three-jaw hydraulic chuck 1 is fixed with a connecting screw 7, one end of the connecting screw 7 close to the three-jaw hydraulic chuck 1 is connected with a connecting sleeve 8 through a screw thread, one end of the connecting sleeve 8 close to the three-jaw hydraulic chuck 1 is fixed with an extrusion circular table 9, a stop block 15 fixed on the connecting sleeve 8 is arranged between the extrusion circular table 9 and the connecting pipe 3, and a spring 13 is arranged between the extrusion circular table 9 and the three-jaw hydraulic chuck 1, and triangular push blocks 14 are respectively fixed on one sides of the three claws 101 close to the extrusion circular truncated cone 9, and the positions of the triangular push blocks 14 are matched with those of the extrusion circular truncated cone 9.
In an alternative example, the outer side of the connecting pipe 3 is provided with an external thread, the external thread is connected with a positioning round block 11 and a locking nut 12 through threads, the locking nut 12 is positioned at one side close to the three-jaw hydraulic chuck 1, and the outer circumferential surface of the positioning round block 11 is provided with anti-skid threads.
In an optional example, the tubular collet 4 includes a reducer 401 and a supporting clamping tube 402, a diameter of an end of the reducer 401 away from the three-jaw hydraulic chuck 1 is larger than a diameter of an end of the reducer 401 close to the three-jaw hydraulic chuck 1, and the supporting clamping tube 402 is fixed to an end of the reducer away from the three-jaw hydraulic chuck 1, the reducer 401 and the supporting clamping tube 402 are provided with a plurality of slits 403 uniformly distributed, and when the inside of the reducer 401 is subjected to an outward force, both the reducer 401 and the supporting clamping tube 402 separated by the slits 403 expand outward.
In an optional example, the extrusion block 6 is in a truncated cone shape, the inclination angle of the outer circumferential surface of the extrusion block 6 is matched with the inclination angle of the reducer pipe 401, a hexagon socket 5 is formed at one end, away from the connecting screw 7, of the extrusion block 6, and the hexagon socket 5 can facilitate the disassembly and assembly of the extrusion block 6.
In an alternative embodiment, the inner bore of the connection tube 3 is polygonal, and the outer diameter of the connection sleeve 8 matches the inner bore of the connection tube 3, so that the connection sleeve 8 does not rotate when the extrusion block 6 is removed or installed.
The working principle is as follows: sleeving a tubular workpiece blank on a tubular chuck 4, enabling one end face of the tubular workpiece blank to be in contact with a positioning round block 11, completing positioning of the tubular workpiece blank, loosening a locking nut 12 if the positioning position of the tubular workpiece blank needs to be adjusted, then screwing the positioning round block 11, adjusting the position of the positioning round block 11, enabling the locking nut 12 and the positioning round block 11 to be close to each other and screwed, enabling the locking nut 12 to be abutted and fixed with the positioning round block 11, namely changing the positioning position of the tubular workpiece blank, then operating the three-jaw hydraulic chuck 1, enabling three jaws 101 to move inwards, enabling three triangular push blocks 14 to be in contact with an extrusion circular truncated cone 9, enabling the extrusion circular truncated cone 9 to be abutted and fixed to one side of the three-jaw hydraulic chuck 1, compressing a spring 13, enabling the extrusion circular truncated cone 9 to pull an extrusion block 6 to one side of the three-jaw hydraulic chuck 1, and enabling the extrusion block 6 to be matched with a reducer 401, make reducing pipe 401 and support centre gripping pipe 402 all expand to the outside, it fixes tubular workpiece blank from inboard centre gripping to support centre gripping pipe 402, can carry out the processing operation, when loosening, can move three-jaw hydraulic chuck 1, make three jack catch 101 all move to the outside, extrusion round platform 9 is kept away from to triangle ejector pad 14, extrusion round platform 9 can be because three-jaw hydraulic chuck 1 is kept away from to spring 13's elasticity, extrusion piece 6 gets back to original position, a plurality of reducing pipe 401 and support centre gripping pipe 402 withdraw to original position, can loosen tubular workpiece blank, accomplish the dismantlement, this anchor clamps can be convenient carry out clamping and dismantlement to tubular workpiece blank, operating personnel's problem has been solved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The automatic clamp for the numerical control machine tool comprises a three-jaw hydraulic chuck (1), wherein the three-jaw hydraulic chuck (1) comprises three jaws (101) and is characterized in that one side, close to the jaws (101), of the three-jaw hydraulic chuck (1) is fixedly provided with a plurality of L-shaped connecting rods (2) and a plurality of L-shaped connecting rods (2) are fixedly provided with a connecting pipe (3) together, one end, far away from the three-jaw hydraulic chuck (1), of the connecting pipe (3) is fixedly provided with a tubular chuck (4), an extrusion block (6) is arranged in the tubular chuck (4), one end, close to the three-jaw hydraulic chuck (1), of the extrusion block (6) is fixedly provided with a connecting screw rod (7), one end, close to the three-jaw hydraulic chuck (1), of the connecting screw rod (7) is connected with a connecting sleeve (8) through threads, one end, close to the three-jaw hydraulic chuck (1), of the connecting sleeve (8) is fixedly provided with an extrusion round table (9), be provided with between extrusion round platform (9) and connecting pipe (3) and be fixed in dog (15) of connecting sleeve (8), be provided with spring (13) between extrusion round platform (9) and three-jaw hydraulic chuck (1), it is three one side that jack catch (101) are close to extrusion round platform (9) is fixed with triangle ejector pad (14) respectively, just triangle ejector pad (14) and the position phase-match of extrusion round platform (9).
2. The automatic clamp for the numerical control machine tool according to claim 1, characterized in that an external thread is processed on the outer side of the connecting pipe (3), the external thread is connected with a positioning circular block (11) and a locking nut (12) through threads, the locking nut (12) is located on one side close to the three-jaw hydraulic chuck (1), and the outer circumferential surface of the positioning circular block (11) is provided with anti-skid threads.
3. The automatic clamp for the numerical control machine tool is characterized in that the tubular chuck (4) comprises a reducer pipe (401) and a supporting clamping pipe (402), the diameter of one end, far away from the three-jaw hydraulic chuck (1), of the reducer pipe (401) is larger than that of one end, close to the three-jaw hydraulic chuck (1), of the reducer pipe, the supporting clamping pipe (402) is fixed to one end, far away from the three-jaw hydraulic chuck (1), of the reducer pipe, and the reducer pipe (401) and the supporting clamping pipe (402) are provided with a plurality of uniformly distributed slots (403) together.
4. The automatic clamp for the numerical control machine tool is characterized in that the extrusion block (6) is in a circular truncated cone shape, and the inclination angle of the outer circumferential surface of the extrusion block (6) is matched with the inclination angle of the reducer pipe (401).
5. The automatic clamp for the numerical control machine tool is characterized in that one end, far away from the connecting screw rod (7), of the extrusion block (6) is provided with a hexagon socket (5).
6. The automatic clamp for numerical control machine tool according to claim 1, wherein the inner hole of the connecting tube (3) is polygonal, and the outer diameter of the connecting sleeve (8) is matched with the inner hole of the connecting tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121176853.2U CN215237917U (en) | 2021-05-28 | 2021-05-28 | Automatic clamp for numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121176853.2U CN215237917U (en) | 2021-05-28 | 2021-05-28 | Automatic clamp for numerical control machine tool |
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| Publication Number | Publication Date |
|---|---|
| CN215237917U true CN215237917U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121176853.2U Active CN215237917U (en) | 2021-05-28 | 2021-05-28 | Automatic clamp for numerical control machine tool |
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| CN (1) | CN215237917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115351318A (en) * | 2022-08-29 | 2022-11-18 | 杭州川上机械科技有限公司 | Numerical control lathe positioning tool for turning pump cover and pump cover positioning method |
-
2021
- 2021-05-28 CN CN202121176853.2U patent/CN215237917U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115351318A (en) * | 2022-08-29 | 2022-11-18 | 杭州川上机械科技有限公司 | Numerical control lathe positioning tool for turning pump cover and pump cover positioning method |
| CN115351318B (en) * | 2022-08-29 | 2023-07-07 | 杭州川上机械科技有限公司 | Numerical control lathe positioning tool and method for turning pump cover |
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