CN216730643U - Workpiece fixing and clamping device for machining based on mechanical numerical control - Google Patents
Workpiece fixing and clamping device for machining based on mechanical numerical control Download PDFInfo
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- CN216730643U CN216730643U CN202220416094.0U CN202220416094U CN216730643U CN 216730643 U CN216730643 U CN 216730643U CN 202220416094 U CN202220416094 U CN 202220416094U CN 216730643 U CN216730643 U CN 216730643U
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- 238000003754 machining Methods 0.000 title claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to the field of clamping devices, in particular to a workpiece fixing and clamping device for machining based on numerical control, which comprises a clamping assembly and an angle adjusting assembly, wherein the clamping assembly comprises a clamping head and a clamping head; the supporting plate a is vertically arranged at the end part of the bottom plate; the sliding plate is arranged on the bottom plate in a sliding manner; the supporting plate b is arranged on the sliding plate; the power push-pull device is arranged on the supporting plate a, and the telescopic end of the power push-pull device is connected with the supporting plate b; the cylinder is arranged on the support plate b; the clamping plate is vertically and rotatably arranged on the end face of the cylinder body; two groups of clamping components are arranged; two ends of the supporting rod are respectively connected with the supporting plate b and the clamping plate in a rotating way; the worm wheel is arranged on the supporting rod; the worm is vertically and rotationally arranged on the inner peripheral wall of the cylinder body and is meshed with the worm wheel; the protection casing sets up on the barrel periphery wall, sets up the motor on the protection casing inner wall. The angle adjusting device can adjust the angle to any angle according to the requirement, has strong practicability and strong stability in the clamping state of the clamping plate, and can not cause the problem that the angle of a workpiece is changed automatically in the machining process.
Description
Technical Field
The utility model relates to the field of clamping devices, in particular to a workpiece fixing and clamping device for machining numerical control machining.
Background
The clamping components of the conventional workpiece fixing device for numerical control machining are of a fixed structure, and after a part of a workpiece is machined, the workpiece needs to be rotated to continue machining, so that the workpiece needs to be rotated again after the clamping device is loosened and clamped again, time is easily wasted, efficiency is reduced, the position of the workpiece is easily changed after adjustment, coordinates need to be changed again, and the workpiece fixing device is inconvenient to use.
Chinese patent No. CN210010725U discloses a clamping device for fixing workpiece based on mechanical numerical control machining, when the workpiece needs to be rotated to continue machining, the positioning circular plate is moved in the direction away from the clamping circular plate, then the two clamping circular plates are rotated to drive the workpiece to rotate, after the angle is adjusted, the positioning circular plate is moved in the direction close to the clamping circular plate again to make the positioning bolt insert into the circular hole on the clamping circular plate.
However, the above-mentioned known solutions have the following disadvantages: two or more round holes are formed in the clamping circular plate for inserting positioning bolts, so that the clamping circular plate can only rotate one hundred eighty degrees or a set angle at each time, stepless adjustment of the angle cannot be achieved, and the clamping circular plate is difficult to apply when other angles need to be machined.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a workpiece fixing and clamping device for machining based on mechanical numerical control, which can rotate a workpiece to machine various angles of the workpiece, aiming at the problems in the background technology.
The technical scheme of the utility model is as follows: a workpiece fixing and clamping device for machining based on mechanical numerical control comprises a clamping assembly and an angle adjusting assembly; the clamping assembly comprises a bottom plate, a supporting plate a, a sliding plate, a supporting plate b, a power push-pull device, a cylinder and a clamping plate; the angle adjusting component comprises a supporting rod, a worm wheel, a worm and a protective cover;
the bottom plate is horizontally and transversely arranged; the supporting plate a is vertically arranged at the end part of the bottom plate; the sliding plate is arranged on the bottom plate in a sliding mode along the transverse direction; the supporting plate b is vertically arranged at the top of one end of the sliding plate close to the supporting plate a; the power push-pull device is horizontally and transversely arranged on the supporting plate a, and the telescopic end of the power push-pull device is connected with the supporting plate b; the cylinder is horizontally and transversely arranged on the end face of the support plate b back to the support plate a; the clamping plate is vertically and rotatably arranged on the end face, far away from the supporting plate b, of the barrel body; the two groups of clamping assemblies are symmetrically arranged;
one end of the supporting rod is rotatably connected with one group of supporting plates b, the supporting rod is positioned in the cylinder body, and the other end of the supporting rod is rotatably connected with the clamping plate; the worm wheel is arranged on the supporting rod; the worm is vertically and rotationally arranged on the inner peripheral wall of the cylinder body, the top of the worm penetrates through the cylinder wall of the cylinder body, and the worm is meshed with the worm wheel; the protection casing sets up on the barrel periphery wall, sets up on the protection casing inner wall and drives worm pivoted motor, is provided with the button station that control motor just reverses on the protection casing.
Preferably, the device further comprises a control system, and the control system is in control connection with both the motor and the power push-pull device.
Preferably, the bottom plate is transversely provided with a sliding groove, the bottom of the sliding plate is provided with a sliding block, the sliding block is inserted into the sliding groove in a matched mode, and the sliding groove is a dovetail groove or a T-shaped groove.
Preferably, the power push-pull device is an electric push rod, an air cylinder or a hydraulic cylinder.
Preferably, the clamping plates are circular plates, and anti-skid grains are arranged on the opposite end faces of the two groups of clamping plates.
Preferably, the device also comprises a limiting ring and a circular ring; the limiting ring is arranged on the outer peripheral wall of one end of the cylinder body, which is far away from the supporting plate b; the circular ring is rotationally sleeved on the barrel, an annular groove is formed in the inner circumferential surface of the circular ring, an opening is formed in the end face, facing the clamping plate, of the circular ring, and the limiting ring is inserted into the annular groove in a matched mode; the clamping plate is vertically arranged on the end face of the circular ring back to the supporting plate b.
Preferably, the inner peripheral wall of the circular ring is attached to the outer peripheral wall of the cylinder body.
Compared with the prior art, the utility model has the following beneficial technical effects: firstly, two groups of bottom plates are fixedly arranged in a machine tool, when a workpiece needs to be clamped, the workpiece is firstly placed between two clamping plates, then the two power push-pull devices are controlled by an external control system to push the supporting plate b, the cylinder body and the clamping plates to move and enable the two groups of clamping plates to firmly clamp the workpiece, then the machine tool can be used for processing, when the angle of the workpiece needs to be rotated for further processing, the control system controls the motor to rotate, the motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the clamping plate to rotate through the supporting rod, thereby realizing the adjustment of the angle of the workpiece, the adjustment angle is not limited, the angle can be adjusted to any angle according to the requirement, the practicability is strong, when the clamping plate clamps the workpiece, the clamping plate is extruded by the barrel and then the self-locking performance of the threads between the worm wheel and the worm is combined, so that the stability of the clamping plate in a clamping state is ensured, and the problem that the angle of a workpiece is changed automatically in the machining process can be solved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a partial schematic view of the front cross-sectional view of FIG. 1;
fig. 3 is an enlarged schematic view of a point a in fig. 2.
Reference numerals: 1. a base plate; 2. a support plate a; 3. a chute; 4. a slide plate; 5. a support plate b; 6. a power push-pull device; 7. a barrel; 8. a limiting ring; 9. a circular ring; 10. an annular groove; 11. a splint; 12. a support bar; 13. a worm gear; 14. a worm; 15. a protective cover; 16. an electric motor.
Detailed Description
Example one
As shown in fig. 1 to 3, the workpiece fixing and clamping device for machining based on numerical control provided by the utility model comprises a clamping assembly and an angle adjusting assembly; the clamping assembly comprises a bottom plate 1, a supporting plate a2, a sliding plate 4, a supporting plate b5, a power push-pull device 6, a cylinder 7 and a clamping plate 11; the angle adjusting component comprises a support rod 12, a worm wheel 13, a worm 14 and a protective cover 15;
the bottom plate 1 is horizontally and transversely arranged; the supporting plate a2 is vertically arranged at the end of the bottom plate 1; the bottom plate 1 is transversely provided with a sliding chute 3, the bottom of the sliding plate 4 is provided with a sliding block, the sliding block is inserted into the sliding chute 3 in a matching way, and the sliding chute 3 is a dovetail groove or a T-shaped groove; the supporting plate b5 is vertically arranged at the top of one end of the sliding plate 4 close to the supporting plate a 2; the power push-pull device 6 is horizontally and transversely arranged on the supporting plate a2, the telescopic end of the power push-pull device 6 is connected with the supporting plate b5, and the power push-pull device 6 is an electric push rod, an air cylinder or a hydraulic cylinder; the cylinder 7 is horizontally and transversely arranged on the end face, back to the support plate a2, of the support plate b 5; the clamping plates 11 are vertically and rotatably arranged on the end faces, far away from the supporting plate b5, of the barrel 7, the clamping plates 11 are circular plates, and anti-skid grains are arranged on the opposite end faces of the two groups of clamping plates 11; the two groups of clamping assemblies are symmetrically arranged;
one end of the supporting rod 12 is rotatably connected with one group of supporting plates b5, the supporting rod 12 is positioned in the cylinder 7, and the other end of the supporting rod 12 is rotatably connected with the clamping plate 11; the worm wheel 13 is arranged on the support rod 12; the worm 14 is vertically and rotationally arranged on the inner peripheral wall of the cylinder 7, the top of the worm 14 penetrates through the cylinder wall of the cylinder 7, and the worm 14 is meshed with the worm wheel 13; the protective cover 15 is arranged on the peripheral wall of the cylinder body 7, the inner wall of the protective cover 15 is provided with a motor 16 for driving the worm 14 to rotate, and the protective cover 15 is provided with a button station for controlling the motor 16 to rotate forward and backward. And the control system is in control connection with the motor 16 and the power push-pull device 6.
In the embodiment, two groups of bottom plates 1 are fixedly arranged in a machine tool, when a workpiece needs to be clamped, the workpiece is placed between two clamping plates 11, then two power push-pull devices 6 are controlled by an external control system to push a supporting plate b5, a cylinder 7 and the clamping plates 11 to move, and the two groups of clamping plates 11 firmly clamp the workpiece, then the machine tool can be used for processing, when the workpiece needs to be rotated to continue processing, a control system controls a motor 16 to rotate, the motor 16 drives a worm 14 to rotate, the worm 14 drives a worm wheel 13 to rotate, the worm wheel 13 drives the clamping plates 11 to rotate through a supporting rod 12, so that the adjustment of the angle of the workpiece is realized, the angle is not limited, the angle can be adjusted to any angle as required, the practicability is high, when the workpiece is clamped by the clamping plates 11, the clamping plates 11 are extruded by the cylinder 7, and the self-locking performance of the threads between the worm wheel 13 and the worm 14 is combined, the stability of the clamping state of the clamping plate 11 is ensured, and the problem that the angle of a workpiece is changed automatically in the machining process can be solved.
Example two
As shown in fig. 2, compared with the first embodiment, the workpiece fixing and clamping device for machining based on numerical control according to the present invention further includes a limiting ring 8 and a circular ring 9; the limiting ring 8 is arranged on the outer peripheral wall of one end of the cylinder 7 far away from the supporting plate b 5; the circular ring 9 is rotationally sleeved on the cylinder 7, an annular groove 10 is formed in the inner circumferential surface of the circular ring 9, an opening is formed in the annular groove 10 on the end face, facing the clamping plate 11, of the circular ring 9, and the limiting ring 8 is inserted into the annular groove 10 in a matched mode; the clamping plate 11 is arranged vertically on the end face of the ring 9 facing away from the supporting plate b 5. The inner peripheral wall of the ring 9 is attached to the outer peripheral wall of the cylinder 7.
In this embodiment, the circular ring 9 is firstly sleeved on the cylinder 7, the limiting ring 8 is inserted into the annular groove 10, the cylinder 7 is fixed on the supporting plate b5, and finally the clamping plate 11 is fixed on the circular ring 9, so that the rotary connection between the clamping plate 11 and the cylinder 7 is completed.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. A workpiece fixing and clamping device for machining based on mechanical numerical control is characterized by comprising a clamping assembly and an angle adjusting assembly; the clamping assembly comprises a bottom plate (1), a supporting plate a (2), a sliding plate (4), a supporting plate b (5), a power push-pull device (6), a cylinder body (7) and a clamping plate (11); the angle adjusting component comprises a supporting rod (12), a worm wheel (13), a worm (14) and a protective cover (15);
the bottom plate (1) is horizontally and transversely arranged; the supporting plate a (2) is vertically arranged at the end part of the bottom plate (1); the sliding plate (4) is arranged on the bottom plate (1) in a sliding manner along the transverse direction; the supporting plate b (5) is vertically arranged at the top of one end, close to the supporting plate a (2), of the sliding plate (4); the power push-pull device (6) is horizontally and transversely arranged on the supporting plate a (2), and the telescopic end of the power push-pull device (6) is connected with the supporting plate b (5); the cylinder (7) is horizontally and transversely arranged on the end face of the support plate b (5) back to the support plate a (2); the clamping plate (11) is vertically and rotatably arranged on the end face, far away from the supporting plate b (5), of the barrel body (7); the two groups of clamping assemblies are symmetrically arranged;
one end of a supporting rod (12) is rotatably connected with one group of supporting plates b (5), the supporting rod (12) is positioned in the barrel body (7), and the other end of the supporting rod (12) is rotatably connected with the clamping plate (11); the worm wheel (13) is arranged on the support rod (12); the worm (14) is vertically and rotationally arranged on the inner peripheral wall of the cylinder (7), the top of the worm (14) penetrates through the cylinder wall of the cylinder (7), and the worm (14) is meshed with the worm wheel (13); the protective cover (15) is arranged on the peripheral wall of the barrel body (7), the inner wall of the protective cover (15) is provided with a motor (16) for driving the worm (14) to rotate, and the protective cover (15) is provided with a button station for controlling the motor (16) to rotate forward and backward.
2. The workpiece fixing and clamping device for the mechanical numerical control machining is characterized by further comprising a control system, wherein the control system is in control connection with both the motor (16) and the power push-pull device (6).
3. The workpiece fixing and clamping device for the mechanical numerical control machining is characterized in that a sliding groove (3) is transversely formed in the bottom plate (1), a sliding block is arranged at the bottom of the sliding plate (4), the sliding block is inserted into the sliding groove (3) in a matched mode, and the sliding groove (3) is a dovetail groove or a T-shaped groove.
4. The workpiece fixing and clamping device for the mechanical numerical control machining based on the claim 1 is characterized in that the power push-pull device (6) is an electric push rod, an air cylinder or a hydraulic cylinder.
5. The workpiece fixing and clamping device for the mechanical numerical control machining is characterized in that the clamping plates (11) are circular plates, and anti-skid lines are arranged on the opposite end faces of the two groups of clamping plates (11).
6. The workpiece fixing and clamping device for the mechanical numerical control machining is based on the claim 1, and is characterized by further comprising a limiting ring (8) and a circular ring (9); the limiting ring (8) is arranged on the outer peripheral wall of one end of the cylinder body (7) far away from the supporting plate b (5); the circular ring (9) is rotatably sleeved on the barrel body (7), an annular groove (10) is formed in the inner circumferential surface of the circular ring (9), an opening is formed in the annular groove (10) on the end face, facing the clamping plate (11), of the circular ring (9), and the limiting ring (8) is inserted into the annular groove (10) in a matched mode; the clamping plate (11) is vertically arranged on the end face, back to the supporting plate b (5), of the circular ring (9).
7. The workpiece fixing and clamping device for the mechanical numerical control machining is characterized in that the inner peripheral wall of the circular ring (9) is attached to the outer peripheral wall of the cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220416094.0U CN216730643U (en) | 2022-02-28 | 2022-02-28 | Workpiece fixing and clamping device for machining based on mechanical numerical control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220416094.0U CN216730643U (en) | 2022-02-28 | 2022-02-28 | Workpiece fixing and clamping device for machining based on mechanical numerical control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216730643U true CN216730643U (en) | 2022-06-14 |
Family
ID=81920723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220416094.0U Expired - Fee Related CN216730643U (en) | 2022-02-28 | 2022-02-28 | Workpiece fixing and clamping device for machining based on mechanical numerical control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216730643U (en) |
-
2022
- 2022-02-28 CN CN202220416094.0U patent/CN216730643U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |