CN217966687U - Cylindrical workpiece clamping device for mechanical maintenance - Google Patents
Cylindrical workpiece clamping device for mechanical maintenance Download PDFInfo
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- CN217966687U CN217966687U CN202221923075.3U CN202221923075U CN217966687U CN 217966687 U CN217966687 U CN 217966687U CN 202221923075 U CN202221923075 U CN 202221923075U CN 217966687 U CN217966687 U CN 217966687U
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- clamping
- disc body
- cylindrical workpiece
- workpiece holding
- holding device
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- 238000012423 maintenance Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a cylindrical workpiece clamping device for mechanical maintenance, which comprises a device body, wherein a clamping mechanism is arranged on the device body, and the clamping mechanism comprises a plurality of clamping pieces, a first disk body and a second disk body which are matched in a rotating way; a plurality of forward curved grooves are formed in the first disc body in an annular array mode, a plurality of reverse curved grooves are formed in the second disc body in an annular array mode, and one end of each clamping piece is inserted into the corresponding forward curved groove and the corresponding reverse curved groove; when the first tray body and the second tray body rotate relatively, the plurality of clamping pieces are driven to approach or move away from each other. The utility model discloses conveniently press from both sides tight cylindric work piece.
Description
Technical Field
The utility model relates to a mechanical maintenance field especially relates to a cylindric work piece clamping device for mechanical maintenance.
Background
With the continuous improvement of the industrial production level, mechanical equipment is widely used in the industrial production field as the most commonly used equipment in modern production, during the use of the mechanical equipment, the mechanical equipment usually needs to be repaired, such as replacing, maintaining, repairing and the like, and during the maintenance of the machinery, in order to improve the stability of the maintenance process, the mechanical part usually needs to be clamped and fixed by a clamping device, so that the cylindrical workpiece is inconvenient to clamp during the maintenance.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the utility model provides a cylindrical workpiece clamping device for mechanical maintenance, which is convenient for clamping cylindrical workpieces.
The technical scheme is as follows: in order to achieve the purpose, the cylindrical workpiece clamping device for mechanical maintenance comprises a device body, wherein a clamping mechanism is arranged on the device body, and comprises a plurality of clamping pieces, a first disc body and a second disc body which are matched in a rotating mode; a plurality of forward curved grooves are formed in the first disc body in an annular array mode, a plurality of reverse curved grooves are formed in the second disc body in an annular array mode, and one end of each clamping piece is inserted into the corresponding forward curved groove and the corresponding reverse curved groove; when the first tray body and the second tray body rotate relatively, the plurality of clamping pieces are driven to be close to or far away from each other.
Furthermore, the clamping piece comprises a clamping end and a connecting end, the connecting end of the clamping piece is provided with an annular groove, and the clamping piece is limited and clamped in the corresponding positive rotation curved groove and the reverse rotation curved groove through the annular groove.
Further, one side indent of first disk body sets up and forms the circular shape and holds the chamber, the second disk body rotate set up in hold the intracavity, the opening side that holds the chamber still is provided with the closure apron.
Furthermore, one end of the annular groove is provided with a limiting wafer which is clamped between the second disc body and the closed cover plate.
Furthermore, a rotating shaft penetrating out of the sealing cover plate is arranged on one side of the second disc body, and a driving mechanism for driving the rotating shaft to rotate is arranged on the device body.
Further, the device body comprises a base and a top seat, the clamping mechanism is arranged on the top seat, and the first disk body is fixedly arranged on the top seat; and the base is provided with a lifting mechanism for driving the top seat to vertically move.
Further, the number of the clamping pieces, the forward curved grooves and the reverse curved grooves is at least three.
Further, the clamping end of the clamping piece is in a round rod shape.
Has the beneficial effects that: the utility model discloses a cylindric work piece clamping device for mechanical maintenance, the fixture on the device body includes first disk body and second disk body of mutual rotation, is provided with a plurality of positive spiral grooves and a plurality of negative spiral grooves on first disk body and the second disk body respectively; one end of each clamping piece is inserted into the corresponding positive selection curved groove and the corresponding negative rotation curved groove, when the first disc body and the second disc body rotate relatively, the clamping pieces can be driven to mutually approach or separate, and when the clamping pieces approach to each other, the cylindrical workpiece can be clamped; the device body is provided with a driving mechanism to drive the first disc body and the second disc body to move relatively, and the use is convenient.
Drawings
Fig. 1 is a bottom view of the whole structure of the clamping device of the present invention;
FIG. 2 is a top view of the overall structure of the clamping device of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2;
fig. 4 is an exploded view of the clamping mechanism.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The cylindrical workpiece clamping device for mechanical maintenance shown in the attached drawings 1 to 4 comprises a device body, wherein a clamping mechanism 1 is arranged on the device body, and the clamping mechanism 1 comprises a plurality of clamping pieces 2 and a first disc body 3 and a second disc body 4 which are in running fit with each other. Annular array is provided with a plurality of positive curved groove 5 on the first disk body 3, annular array is provided with a plurality of contrary curved groove 6 that revolves on the second disk body 4, and positive curved groove 5 and contrary curved groove 6 that revolves are the arc wall, and positive curved groove 5 extends to the edge from the center of first disk body 3 and bends along clockwise, and contrary curved groove 6 extends to the edge from the center of second disk body 4 and bends along counter-clockwise. The plurality of positive rotating curved grooves 5 of the first disc body 3 are arranged at equal angles, and the plurality of negative rotating curved grooves 6 on the second disc body 4 are arranged at equal angles.
The plurality of positive spiral grooves 5 and the plurality of negative spiral grooves 6 are in one-to-one correspondence, and one end of the clamping piece 2 is inserted into the positive spiral grooves 5 and the negative spiral grooves 6 which are in mutual correspondence. The first disc body 3 and the second disc body 4 drive the plurality of clamping pieces 2 to be close to or away from each other when rotating relatively, and the plurality of clamping pieces 2 can clamp workpieces when being close to each other, so that the cylindrical workpieces are particularly conveniently clamped.
One side indent of first disk body 3 sets up and forms circular shape and holds chamber 8, second disk body 4 rotate set up in hold in the chamber 8, the opening side that holds chamber 8 still is provided with closed cover 9, makes the normal running fit effect of first disk body 3 and second disk body 4 better.
One end of the annular groove 7 is provided with a limiting wafer 10, the limiting wafer 10 is clamped between the second disc body 4 and the sealing cover plate 9, so that the clamping end of the clamping piece 2 is not easy to separate from the corresponding positive spiral curved groove 5 and the corresponding negative spiral curved groove 6, and the stability of the clamping mechanism 1 is better.
One side of the second tray body 4 is provided with a rotating shaft 11 penetrating out of the closed cover plate 9, and the closed cover plate 9 is provided with a through hole for accommodating the rotating shaft 11 to penetrate through. The device body is provided with a driving mechanism 12 which drives the rotating shaft 11 to rotate.
The device body comprises a base 13 and a top seat 14, the clamping mechanism 1 is arranged on the top seat 14, and the first disc body 3 is fixedly arranged on the top seat 14. The lifting mechanism is characterized in that the base 13 is provided with a lifting mechanism for driving the top seat 14 to vertically move, the lifting mechanism comprises a first electric telescopic rod 16, and a guide assembly 17 is further arranged between the base 13 and the top seat 14. The lifting mechanism is convenient to adjust the height of the clamping mechanism 1 and the clamped workpiece.
The driving mechanism 12 comprises a rack 18 and a second electric telescopic rod 19 driving the rack 18 to move transversely, the second electric telescopic rod 19 is fixedly arranged on the top seat 14, and a gear 20 in meshing transmission with the rack 18 is arranged on the rotating shaft 11. The top seat 14 is further provided with a slide rail 21, at least two connecting rods 22 are arranged below the rack 18, the lower ends of the connecting rods 22 are provided with sliders 23, the sliders 23 are slidably arranged in the slide rail 21, and the slide rail 21 is internally provided with a return spring 24. When the second electric telescopic rod 19 is powered on, the second electric telescopic rod 19 drives the rack 18 to transversely move, and the plurality of clamping pieces 2 are close to each other, so that the workpiece can be rapidly clamped; after the second electric telescopic rod 19 is powered off, the reset spring 24 can drive the rack 18 to reset, so that the plurality of clamping pieces 2 can be quickly away from each other, clamped workpieces are loosened, and the workpieces can be conveniently taken down.
One end of the rack 18, which is far away from the second electric telescopic rod 19, is provided with a limiting rod 25 in an extending manner. The top seat 14 is provided with a vertical plate, one side of the vertical plate is provided with a limiting frame 26, a limiting hole is arranged in the limiting frame 26, and the limiting rod 25 is in sliding fit with the limiting hole, so that the transverse moving direction of the rack 18 is guided, and the rack 18 is ensured not to be deviated during transverse moving.
The number of the clamping pieces 2, the forward curved grooves 5 and the reverse curved grooves 6 is at least three, and if the number of the clamping pieces 2 is two, the workpiece is easily driven to rotate, and the clamping effect on the workpiece is poor.
The clamping end of the clamping piece 2 is in a round rod shape. The section is circular, so that the workpiece is stably clamped; because of being straight rod-shaped, the cylindrical work piece of convenient centre gripping different specifications.
The utility model discloses a cylindric work piece clamping device accessible fixture 1 fast firm grasp cylindric work piece for mechanical maintenance, and be provided with elevating system, conveniently adjust fixture 1 and by the height of centre gripping work piece according to the demand. When the device is used, the height of the top seat 14 is adjusted according to requirements, the power is supplied by an external power supply, the first electric telescopic rod 16 is controlled to extend to the required height through an external switch, the guide assembly 17 plays a role in maintaining stability, then the cylindrical workpiece is placed between the clamping ends of the three clamping pieces 2, the external power supply supplies power, the second electric telescopic rod 19 is controlled to extend through an external switch, the rack 18 is driven to translate, the limiting rod 25 at the end part of the rack 18 slides in the limiting hole of the limiting frame 26, the sliding block 23 connected with the connecting rod 22 at the bottom of the rack 18 slides along the inner side wall of the sliding rail 21, the reset spring 24 is pressed and shortened, the gear 20 rotates and drives the rotating shaft 11 and the second disk body 4 to rotate synchronously, the reverse rotation groove 6 rotates along with the reverse rotation groove, the three clamping pieces 2 are synchronously extruded to clamp the cylindrical workpiece tightly under the combined action of the forward rotation groove 5 on the first disk body 3, the second electric telescopic rod 19 is closed after work, the reset spring 24 drives the sliding block 23 to restore the connecting rod 22 and the rack 18 synchronously, the gear 20, and the second disk body 4 and the clamping pieces 2 to restore synchronously.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (8)
1. A cylindric work piece clamping device for mechanical maintenance which characterized in that: the device comprises a device body, wherein a clamping mechanism (1) is arranged on the device body, and the clamping mechanism (1) comprises a plurality of clamping pieces (2) and a first disc body (3) and a second disc body (4) which are matched in a rotating mode; a plurality of forward curved grooves (5) are formed in the first disc body (3) in an annular array mode, a plurality of reverse curved grooves (6) are formed in the second disc body (4) in an annular array mode, and one end of each clamping piece (2) is inserted into the corresponding forward curved grooves (5) and the corresponding reverse curved grooves (6); when the first disc body (3) and the second disc body (4) rotate relatively, the clamping pieces (2) are driven to approach or separate from each other.
2. A cylindrical workpiece holding device for mechanical maintenance, as claimed in claim 1, wherein: the clamping piece (2) comprises a clamping end and a connecting end, the connecting end of the clamping piece (2) is provided with an annular groove (7), and the clamping piece (2) is clamped in the annular groove (7) in a limiting manner to be arranged in the corresponding forward-rotation curved groove (5) and the reverse-rotation curved groove (6).
3. A cylindrical workpiece holding device for machine maintenance as claimed in claim 2, wherein: one side indent of first disk body (3) sets up and forms circular shape and holds chamber (8), second disk body (4) rotate set up in hold chamber (8) in, the opening side that holds chamber (8) still is provided with closed cover board (9).
4. A cylindrical workpiece holding device for machine maintenance as claimed in claim 3, wherein: one end of the annular groove (7) is provided with a limiting wafer (10), and the limiting wafer (10) is clamped between the second disc body (4) and the sealing cover plate (9).
5. A cylindrical workpiece holding device for machine maintenance as claimed in claim 3, wherein: a rotating shaft (11) penetrating out of the sealing cover plate (9) is arranged on one side of the second disc body (4), and a driving mechanism (12) driving the rotating shaft (11) to rotate is arranged on the device body.
6. A cylindrical workpiece holding device for mechanical maintenance, as claimed in claim 1, wherein: the device body comprises a base (13) and a top seat (14), the clamping mechanism (1) is arranged on the top seat (14), and the first disc body (3) is fixedly arranged on the top seat (14); and the base (13) is provided with a lifting mechanism for driving the top seat (14) to vertically move.
7. A cylindrical workpiece holding device for mechanical maintenance, as claimed in claim 1, wherein: the number of the clamping piece (2), the forward rotating curved groove (5) and the reverse rotating curved groove (6) is at least three.
8. A cylindrical workpiece holding device for machine maintenance as claimed in claim 2, characterised in that: the clamping end of the clamping piece (2) is in a round rod shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221923075.3U CN217966687U (en) | 2022-07-25 | 2022-07-25 | Cylindrical workpiece clamping device for mechanical maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221923075.3U CN217966687U (en) | 2022-07-25 | 2022-07-25 | Cylindrical workpiece clamping device for mechanical maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217966687U true CN217966687U (en) | 2022-12-06 |
Family
ID=84281398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221923075.3U Expired - Fee Related CN217966687U (en) | 2022-07-25 | 2022-07-25 | Cylindrical workpiece clamping device for mechanical maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217966687U (en) |
-
2022
- 2022-07-25 CN CN202221923075.3U patent/CN217966687U/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: 20221206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |