CN220680468U - Workpiece positioning and clamping device of numerical control machine tool - Google Patents
Workpiece positioning and clamping device of numerical control machine tool Download PDFInfo
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- CN220680468U CN220680468U CN202420350322.8U CN202420350322U CN220680468U CN 220680468 U CN220680468 U CN 220680468U CN 202420350322 U CN202420350322 U CN 202420350322U CN 220680468 U CN220680468 U CN 220680468U
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- threaded rod
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- seat
- clamping device
- clamping
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- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of numerically-controlled machine tool fixtures, in particular to a workpiece positioning and clamping device of a numerically-controlled machine tool. This kind of digit control machine tool work piece location clamping device, all fix a position the same position at the processing seat through every work piece that the locating pin will process, the clamping piece carries out the tetragonal centre gripping to the work piece, increases the stability of centre gripping, avoids the work piece to shift when processing is polished, and the clamping piece inboard installs spring assembly and buffer block additional, provides certain buffering for clamping force, avoids the too big damage work piece of clamping force when pressing from both sides work piece clamp.
Description
Technical Field
The utility model relates to the technical field of numerically-controlled machine tool fixtures, in particular to a workpiece positioning and clamping device of a numerically-controlled machine tool.
Background
The numerical control machine tool well solves the problem of complex and precise part machining, is an automatic machine tool with higher flexibility and efficiency, represents the development direction of the modern machine tool control technology, has high machining precision, stable part machining quality and high degree of automation, can lighten the labor intensity of personnel, and is a typical electromechanical integrated product.
Before the numerically-controlled machine tool polishes the part, the part needs to be stably clamped first to avoid errors in machining precision caused by shifting of the part in the machining process, the workpiece positioning and clamping device of the numerically-controlled machine tool at the present stage clamps the workpiece in a mode of clamping the workpiece on the two sides in many ways, but only the two-way clamping is adopted to clamp each part in a position which can not be positioned on the same position, and if the angle of the workpiece needs to be changed in the polishing process, the clamp needs to be removed first to rotate the workpiece, so that the machining is inconvenient and the operation is complicated.
In order to solve the problems, the workpiece positioning and clamping device of the numerical control machine tool is improved.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a workpiece positioning and clamping device of a numerical control machine tool, which comprises a base, wherein the upper surface of the base is rotationally connected with a supporting seat, the top of the supporting seat is coaxially and fixedly connected with a rotating seat, a threaded rod group is arranged in the rotating seat, the threaded rod group consists of a first threaded rod, a second threaded rod, a third threaded rod and a fourth threaded rod, the top of the rotating seat is connected with a plurality of clamping pieces, the surfaces of the clamping pieces are connected with buffer blocks, the center of the top of the rotating seat is fixedly connected with a processing seat, and the upper surface of the processing seat is fixedly provided with positioning pins.
As a preferable technical scheme of the utility model, the thread directions of the first threaded rod and the third threaded rod are the same, the thread directions of the second threaded rod and the fourth threaded rod are the same, the thread directions of the first threaded rod and the second threaded rod are opposite, the inner surfaces of the rotating seats of the threaded rod groups are in rotary connection, and the first threaded rod, the second threaded rod, the third threaded rod and the fourth threaded rod are in threaded connection with sliding blocks which are in sliding connection with the inner surfaces of the rotating seats.
As a preferable technical scheme of the utility model, bevel gears are fixedly arranged at the tops of the first threaded rod, the second threaded rod, the third threaded rod and the fourth threaded rod, the four bevel gears are meshed with each other, the same spherical cover is sleeved on the threaded rod group, the threaded rod group is rotationally connected with the spherical cover, the first threaded rod, the second threaded rod, the third threaded rod and the fourth threaded rod respectively penetrate through the spherical cover from four directions, and the four bevel gears are positioned in the spherical cover.
As a preferable technical scheme of the utility model, the upper surface of the rotary seat is provided with the cross-shaped sliding groove, the clamping piece is in sliding connection with the rotary seat through the sliding groove, and the sliding block extends upwards to penetrate through the sliding groove to be fixedly connected with the lower surface of the clamping piece.
As a preferable technical scheme of the utility model, the four clamping pieces are arc-shaped, spring groups are fixedly arranged on the inner side surfaces of the clamping pieces, the tail ends of the spring groups are fixedly connected with buffer blocks, and the buffer blocks are in sliding connection with the upper surface of the rotating seat.
As a preferable technical scheme of the utility model, the outer side surface of the rotating seat is provided with the stabilizing block, the outer surface of the stabilizing block is provided with the rotating motor, and the rotating shaft of the rotating motor is coaxially and fixedly connected with the first threaded rod.
As a preferable technical scheme of the utility model, the stepping motor is arranged in the base, and the supporting seat is coaxially and fixedly connected with the rotating shaft of the stepping motor.
The beneficial effects of the utility model are as follows: this kind of digit control machine tool work piece location clamping device, all fix a position the same position at the processing seat through every work piece that the locating pin will process, the clamping piece carries out the tetragonal centre gripping to the work piece, increases the stability of centre gripping, avoids the work piece to shift when processing is polished, and the clamping piece inboard installs spring assembly and buffer block additional, provides certain buffering for clamping force, avoids the too big damage work piece of clamping force when pressing from both sides work piece clamp.
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 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic top view of the rotary base of the present utility model;
in the figure: 1. a base; 2. a rotating seat; 3. a support base; 4. a threaded rod group; 401. a first threaded rod; 402. a second threaded rod; 403. a third threaded rod; 404. a fourth threaded rod; 5. a slide block; 6. a stabilizing block; 7. a rotating electric machine; 8. bevel gears; 9. a clamping member; 10. a spring set; 11. a buffer block; 12. a processing seat; 13. a positioning pin; 14. a chute; 15. a spherical cover.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in fig. 1-3, a workpiece positioning and clamping device of a numerical control machine tool comprises a base 1, wherein the upper surface of the base 1 is rotationally connected with a supporting seat 3, the top of the supporting seat 3 is coaxially and fixedly connected with a rotating seat 2, a threaded rod group 4 is arranged in the rotating seat 2, the threaded rod group 4 consists of a first threaded rod 401, a second threaded rod 402, a third threaded rod 403 and a fourth threaded rod 404, the rotating seat 3 rotates to drive the rotating seat 2 to synchronously rotate, the top of the rotating seat 2 is connected with a plurality of clamping pieces 9, the surface of the clamping pieces 9 is connected with a buffer block 11, the center of the top of the rotating seat 2 is fixedly connected with a processing seat 12, and the upper surface of the processing seat 12 is fixedly provided with a positioning pin 13.
The screw thread direction of first threaded rod 401 is the same with the screw thread direction of third threaded rod 403, and second threaded rod 402 is the same with the screw thread direction of fourth threaded rod 404, and first threaded rod 401 is opposite with second threaded rod 402 screw thread direction, and the internal surface rotation of the equal roating seat 2 of four threaded rods of threaded rod group 4 is connected, all threaded connection has slider 5 on first threaded rod 401, second threaded rod 402, third threaded rod 403 and the fourth threaded rod 404, slider 5 and the internal surface sliding connection of roating seat 2.
The top of first threaded rod 401, the equal fixed mounting of second threaded rod 402, third threaded rod 403 and fourth threaded rod 404 has bevel gear 8, four bevel gears 8 are all mutually perpendicular, four bevel gears 8 are mutual engaged two by two, the cover is equipped with same spherical cover 15 on the threaded rod group 4, threaded rod group 4 is connected with spherical cover 15 rotation, first threaded rod 401, second threaded rod 402, third threaded rod 403 and fourth threaded rod 404 run through spherical cover 15 respectively from four directions four bevel gears 8 all are located spherical cover inside, bevel gears 8 can drive other threaded rod synchronous revolution when a threaded rod rotates, make the slider 5 that the cover was established on the threaded rod group 4 can synchronous motion, and spherical cover can avoid debris to fall into between bevel gears 8 and lead to the unstable operation that influences the device of meshing.
The upper surface of the rotary seat 2 is provided with a cross-shaped chute 14, the clamping piece 9 is in sliding connection with the rotary seat 2 through the chute 14, the sliding block 5 extends upwards to penetrate through the chute 14 to be fixedly connected with the lower surface of the clamping piece 9, and the sliding block 5 moves to drive the clamping piece 9 to move in the same direction so as to clamp a workpiece on the processing seat 12.
The four clamping pieces 9 are arc-shaped, the spring sets 10 are fixedly mounted on the inner side surfaces of the clamping pieces 9, the tail ends of the spring sets 10 are fixedly connected with the buffer blocks 11, the buffer blocks 11 are slidably connected with the upper surface of the rotating seat 2, and the buffer blocks 11 and the spring sets 10 provide buffering for the clamping force of the clamping pieces 9 on workpieces.
The stabilizing block 6 is installed to the swivel mount 2 lateral surface, and stabilizing block 6 surface mounting has rotating electrical machines 7, and the axis of rotation and the coaxial fixed connection of first threaded rod 401 of rotating electrical machines 7, and rotating electrical machines 7 drive a threaded rod rotation, can drive threaded rod group 4 synchronous revolution.
The base 1 internally mounted has step motor, and supporting seat 3 and step motor's axis of rotation coaxial fixed connection, step motor work drive roating seat 2 synchronous revolution when polishing the processing to the work piece, and the cooperation processing part carries out all-round polishing to the work piece.
Working principle: this kind of digit control machine tool work piece location clamping device, when using, place the work piece on processing seat 12 to insert the preformed hole of work piece with locating pin 13, carry out preliminary location to the work piece, open rotating electrical machines and drive threaded rod group 4 rotation, make slider 5 drive holder 9 opposite direction removal, until buffer block 11 with the work piece centre gripping, and spring group 10 is compressed, provide stability for the work piece centre gripping, if need adjust the angle of work piece when the work piece is polished and process, can start step motor and make roating seat 2 rotate, make the work piece face the processing part with different angles.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a digit control machine tool work piece positioning and clamping device, includes base (1), its characterized in that, base (1) upper surface rotates and is connected with supporting seat (3), coaxial fixedly connected with rotary seat (2) in supporting seat (3) top, rotary seat (2) internally mounted has threaded rod group (4), threaded rod group (4) comprise first threaded rod (401), second threaded rod (402), third threaded rod (403) and fourth threaded rod (404), the screw thread direction of first threaded rod (401) and third threaded rod (403) is the same, the screw thread direction of second threaded rod (402) and fourth threaded rod (404) is the same, just first threaded rod (401) is opposite with the screw thread direction of second threaded rod (402), four threaded rods of threaded rod group (4) all are connected with the internal surface rotation of rotary seat (2), all threaded connection has slider (5) on first threaded rod (401), second threaded rod (402), third threaded rod (403) and the fourth threaded rod (404), the internal sliding connection of slider (5) and rotary seat (2).
The rotary seat is characterized in that the top of the rotary seat (2) is connected with a plurality of clamping pieces (9), the surface of the clamping pieces (9) is connected with a buffer block (11), the center of the top of the rotary seat (2) is fixedly connected with a processing seat (12), and the upper surface of the processing seat (12) is fixedly provided with a positioning pin (13).
2. The workpiece positioning and clamping device of the numerical control machine tool according to claim 1, wherein bevel gears (8) are coaxially and fixedly arranged at the tops of the first threaded rod (401), the second threaded rod (402), the third threaded rod (403) and the fourth threaded rod (404), four bevel gears (8) are perpendicular to each other, and four bevel gears (8) are meshed with each other.
3. The workpiece positioning and clamping device of the numerical control machine tool according to claim 2, wherein the same spherical cover (15) is sleeved on the threaded rod group (4), the threaded rod group (4) is rotationally connected with the spherical cover (15), the first threaded rod (401), the second threaded rod (402), the third threaded rod (403) and the fourth threaded rod (404) respectively penetrate through the spherical cover (15) from four directions, and the four bevel gears (8) are all positioned inside the spherical cover (15).
4. The workpiece positioning and clamping device of the numerical control machine tool according to claim 1, wherein a cross-shaped sliding groove (14) is formed in the upper surface of the rotating seat (2), the clamping piece (9) is in sliding connection with the rotating seat (2) through the sliding groove (14), and the sliding block (5) extends upwards to penetrate through the sliding groove (14) to be fixedly connected with the lower surface of the clamping piece (9).
5. The workpiece positioning and clamping device of the numerical control machine tool according to claim 1, wherein the four clamping pieces (9) are arc-shaped, spring groups (10) are fixedly installed on the inner side surfaces of the clamping pieces (9), the tail ends of the spring groups (10) are fixedly connected with buffer blocks (11), and the buffer blocks (11) are slidably connected with the upper surface of the rotating seat (2).
6. The workpiece positioning and clamping device of the numerical control machine tool according to claim 2, wherein a stabilizing block (6) is arranged on the outer side surface of the rotating seat (2), a rotating motor (7) is arranged on the outer surface of the stabilizing block (6), and a rotating shaft of the rotating motor (7) is fixedly connected with a first threaded rod (401) in a coaxial mode.
7. The workpiece positioning and clamping device of the numerical control machine tool according to claim 1, wherein a stepping motor is installed in the base (1), and the supporting seat (3) is fixedly connected with a rotating shaft of the stepping motor in a coaxial mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420350322.8U CN220680468U (en) | 2024-02-26 | 2024-02-26 | Workpiece positioning and clamping device of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420350322.8U CN220680468U (en) | 2024-02-26 | 2024-02-26 | Workpiece positioning and clamping device of numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220680468U true CN220680468U (en) | 2024-03-29 |
Family
ID=90372130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420350322.8U Active CN220680468U (en) | 2024-02-26 | 2024-02-26 | Workpiece positioning and clamping device of numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220680468U (en) |
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2024
- 2024-02-26 CN CN202420350322.8U patent/CN220680468U/en active Active
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