CN219599205U - Precision machining mechanical clamp - Google Patents
Precision machining mechanical clamp Download PDFInfo
- Publication number
- CN219599205U CN219599205U CN202320214794.6U CN202320214794U CN219599205U CN 219599205 U CN219599205 U CN 219599205U CN 202320214794 U CN202320214794 U CN 202320214794U CN 219599205 U CN219599205 U CN 219599205U
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- China
- Prior art keywords
- clamping plates
- clamping
- precision machining
- rotating shaft
- mechanical clamp
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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
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a precision machining mechanical clamp, which belongs to the technical field of machining and comprises a workbench, wherein two clamping plates are slidably arranged at the upper end of the workbench, a mounting cavity is formed in the middle of the workbench, a bidirectional screw rod is rotatably arranged in the mounting cavity, a hand wheel is rotatably arranged on one side of the workbench, the output end of the hand wheel penetrates through the mounting cavity and is connected with the bidirectional screw rod through a coupler, sliding blocks are fixedly arranged at the middle of the lower ends of the two clamping plates, the lower ends of the sliding blocks movably penetrate through the mounting cavity and are provided with threaded holes matched with the bidirectional screw rod, clamping assemblies are arranged at the upper ends of the two clamping plates, and four arc-shaped clamping plates are arranged to effectively clamp workpieces at multiple points, so that the clamping effect is improved, the workpieces with different shapes can be conveniently clamped and fixed, and the application range is wider.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a precision machining mechanical clamp.
Background
Along with the development of science and technology, the use in machining field is more and more, need use machining anchor clamps in machining process, can carry out fixed action to the machined part in machining process, prevent that the machined part from taking place gliding phenomenon in the course of working, a precision machining anchor clamps of publication No. CN218170322U, be equipped with two clamp blocks through the symmetry, two clamp block relative motion realizes the effect to article centre gripping, but in machining process, different machined part has different shapes, the outward appearance is different, when to some smooth circular machined parts in surface, it is difficult to carry out effectual centre gripping fixedly to carry out through two clamp block relative motion, cause the phenomenon of circular machined part off tracking easily.
Disclosure of Invention
The utility model aims at: in order to solve the above-mentioned technical problems, a precision machining mechanical jig is proposed.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a precision machining machinery anchor clamps, includes the workstation, the workstation upper end slides and is equipped with two clamping plates, the installation cavity has been seted up at the workstation middle part, the rotation of installation intracavity is equipped with two-way lead screw, workstation one side rotates and is equipped with the hand wheel, the hand wheel output runs through into the installation cavity and passes through the coupling joint with two-way lead screw, two clamping plate lower extreme middle part is fixed to be equipped with the slider, the slider lower extreme activity runs through into the installation cavity and has seted up with two-way lead screw matched with screw hole, two clamping plate upper ends are equipped with the centre gripping subassembly;
the clamping assembly comprises a rotating shaft symmetrically arranged on two sides of the upper end of the clamping plate and an arc-shaped clamping plate fixedly sleeved on the middle of the rotating shaft, a moving plate is arranged right above the clamping plate, through holes matched with the rotating shaft are formed in two ends of the moving plate, an external threaded rod is rotatably arranged in the middle of the upper end of the clamping plate, the upper end of the external threaded rod penetrates through the outside of the moving plate and is provided with an operation block, spiral sliding grooves are formed in the outer surface of the rotating shaft, and protruding blocks matched with the spiral sliding grooves are fixedly arranged on the inner walls of the through holes.
As a further description of the above technical solution:
the movable plate is in threaded connection with the external threaded rod, and the height of the rotating shaft is greater than that of the external threaded rod.
As a further description of the above technical solution:
the outer surfaces of the four arc-shaped clamping plates are respectively provided with a rubber layer, and two opposite sides of the clamping plates are respectively provided with a rubber pad.
As a further description of the above technical solution:
the spiral direction of the spiral sliding grooves on the same clamping plate is opposite.
As a further description of the above technical solution:
the upper end of the workbench is provided with a chute for sliding the sliding block.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
according to the utility model, the four arc clamping plates are arranged, so that the workpieces are effectively clamped at multiple points, the clamping effect is improved, the workpieces with different shapes can be clamped and fixed conveniently, and the application range is wider.
Drawings
FIG. 1 shows an external view of a mechanical clamp provided according to an embodiment of the present utility model;
FIG. 2 shows a schematic front cross-sectional view of a mechanical clamp structure provided according to an embodiment of the utility model;
FIG. 3 shows a schematic top-down view of a mechanical clamp structure provided in accordance with an embodiment of the present utility model;
fig. 4 shows a schematic diagram of the structure a in fig. 2 according to an embodiment of the present utility model.
Legend description: 1. a work table; 2. a clamping plate; 3. a two-way screw rod; 4. a slide block; 5. an arc-shaped clamping plate; 6. a moving plate; 7. a rotating shaft; 8. an external threaded rod; 9. a spiral chute; 10. and a bump.
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.
Referring to fig. 1-4, the present utility model provides a technical solution:
the utility model provides a precision machining machinery anchor clamps, including workstation 1, workstation 1 upper end slides and is equipped with two clamping plates 2, the installation cavity has been seted up at workstation 1 middle part, installation intracavity rotation is equipped with two-way lead screw 3, workstation 1 one side rotates and is equipped with the hand wheel, the hand wheel output runs through into the installation cavity and passes through the coupling joint with two-way lead screw 3, the fixed slider 4 that is equipped with in middle part of two clamping plates 2 lower extreme, slider 4 lower extreme activity runs through into the installation cavity and has seted up the screw hole with two-way lead screw 3 matched with, two clamping plates 2 upper ends are equipped with the centre gripping subassembly;
the clamping assembly comprises a rotating shaft 7 symmetrically arranged on two sides of the upper end of the clamping plate 2 and an arc-shaped clamping plate 5 fixedly sleeved in the middle of the rotating shaft 7, a movable plate 6 is arranged right above the clamping plate 2, through holes matched with the rotating shaft 7 are formed in two ends of the movable plate 6, an external threaded rod 8 is rotatably arranged in the middle of the upper end of the clamping plate 2, the upper end of the external threaded rod 8 penetrates through the outside of the movable plate 6 and is provided with an operation block, spiral sliding grooves 9 are formed in the outer surfaces of the two rotating shafts 7, and protruding blocks 10 matched with the spiral sliding grooves 9 are fixedly arranged in the inner walls of the two through holes; under the mutual cooperation of the lug 10 and the spiral chute 9, the rotary shaft 7 is deflected by the up-and-down movement of the lug 10, so that the two arc-shaped clamping plates 5 deflect and clamp a workpiece.
The moving plate 6 is in threaded connection with the external threaded rod 8, and the height of the rotating shaft 7 is larger than that of the external threaded rod 8; lifting of the moving plate 6 is achieved by rotating the external threaded rod 8, and meanwhile, the moving plate 6 is prevented from moving upwards to be separated from the rotating shaft 7, so that the moving plate 6 is ensured to move stably up and down along the rotating shaft 7.
The outer surfaces of the four arc-shaped clamping plates 5 are respectively provided with a rubber layer, and the opposite sides of the two clamping plates 2 are respectively provided with a rubber pad; the effect of protecting the surface of the workpiece is achieved, and abrasion of the surface of the workpiece is avoided.
The spiral direction of the spiral chute 9 on the same clamping plate 2 is opposite; the rotating shafts 7 on the same clamping plate 2 are guaranteed to deflect in the opposite directions synchronously, the two arc-shaped clamping plates 5 are driven to deflect, and the effect of multi-point clamping on workpieces is achieved.
The upper end of the workbench 1 is provided with a chute for sliding the sliding block 4; the stability of the relative movement of the two clamping plates 2 is ensured, and the effect of clamping the workpiece is realized.
Working principle: when the clamping device is used, a mechanical workpiece to be machined is placed on the workbench 1, the hand wheel is rotated to drive the two-way screw rod 3 to rotate, the two-way screw rod 3 rotates to drive the two clamping plates 2 to move relatively through the sliding block 4, the preliminary clamping effect on the workpiece is achieved, then the operating block is rotated by a worker to enable the external threaded rod 8 to rotate, the external threaded rod 8 rotates to drive the movable plate 6 to move up and down, the movable plate 6 moves up and down to drive the arc-shaped clamping plate 5 to deflect, the rubber layer on the outer surface of the arc-shaped clamping plate 5 is further enabled to be in contact with the surface of the workpiece, and the clamping effect on the workpiece is further improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a precision machining machinery anchor clamps, includes workstation (1), workstation (1) upper end slides and is equipped with two clamping plates (2), the installation cavity has been seted up at workstation (1) middle part, installation intracavity rotation is equipped with two-way lead screw (3), workstation (1) one side rotates and is equipped with the hand wheel, the hand wheel output runs through into the installation cavity and passes through the coupling joint with two-way lead screw (3), two clamping plates (2) lower extreme middle part is fixed to be equipped with slider (4), slider (4) lower extreme activity run through into the installation cavity and seted up with two-way lead screw (3) matched with screw hole, its characterized in that, two clamping plates (2) upper end are equipped with clamping assembly;
the clamping assembly comprises a rotating shaft (7) symmetrically arranged on two sides of the upper end of the clamping plate (2) and an arc-shaped clamping plate (5) fixedly sleeved on the middle of the rotating shaft (7), a moving plate (6) is arranged right above the clamping plate (2), through holes matched with the rotating shaft (7) are formed in two ends of the moving plate (6), an external threaded rod (8) is rotatably arranged in the middle of the upper end of the clamping plate (2), the upper end of the external threaded rod (8) penetrates through the outside of the moving plate (6) and is provided with an operation block, spiral sliding grooves (9) are formed in the outer surface of the rotating shaft (7), and protruding blocks (10) matched with the spiral sliding grooves (9) are fixedly arranged on the inner walls of the through holes.
2. The precision machining mechanical clamp according to claim 1, wherein the moving plate (6) is in threaded connection with the external threaded rod (8), and the height of the rotating shaft (7) is larger than the height of the external threaded rod (8).
3. The precision machining mechanical clamp according to claim 1, wherein the outer surfaces of the four arc-shaped clamping plates (5) are respectively provided with a rubber layer, and the opposite sides of the two clamping plates (2) are respectively provided with a rubber pad.
4. A precision machining mechanical clamp according to claim 1, characterized in that the spiral direction of the spiral runners (9) on the same clamping plate (2) is opposite.
5. The precision machining mechanical clamp according to claim 1, wherein a sliding groove for sliding the sliding block (4) is formed in the upper end of the workbench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320214794.6U CN219599205U (en) | 2023-02-15 | 2023-02-15 | Precision machining mechanical clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320214794.6U CN219599205U (en) | 2023-02-15 | 2023-02-15 | Precision machining mechanical clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219599205U true CN219599205U (en) | 2023-08-29 |
Family
ID=87746053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320214794.6U Active CN219599205U (en) | 2023-02-15 | 2023-02-15 | Precision machining mechanical clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219599205U (en) |
-
2023
- 2023-02-15 CN CN202320214794.6U patent/CN219599205U/en active Active
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| GR01 | Patent grant |