CN219704281U - Work piece hydraulic pressure centre gripping positioning mechanism - Google Patents
Work piece hydraulic pressure centre gripping positioning mechanism Download PDFInfo
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- CN219704281U CN219704281U CN202321112679.4U CN202321112679U CN219704281U CN 219704281 U CN219704281 U CN 219704281U CN 202321112679 U CN202321112679 U CN 202321112679U CN 219704281 U CN219704281 U CN 219704281U
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- annular frame
- fixedly connected
- positioning mechanism
- hydraulic
- workbench
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- 238000003754 machining Methods 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 abstract description 2
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- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of numerical control machining centers and provides a workpiece hydraulic clamping and positioning mechanism which comprises a workbench, wherein a first annular frame which is in a left-right axial direction is arranged on one side of the top of the workbench, an adjusting assembly which is used for enabling the first annular frame to rotate forwards and backwards is arranged on the workbench, a mounting frame is fixedly connected in the first annular frame, two sliding blocks which are symmetrical forwards and backwards are clamped and slidingly connected to the top of the mounting frame along the length direction of the mounting frame, and concave clamping plates which are positioned right above the workbench are fixedly connected to one sides of the two sliding blocks. According to the utility model, a workpiece can be placed between the two concave clamping plates, and then the pushing block can be driven to move towards one side through the contraction of the piston rod of the hydraulic cylinder, so that the distance between the two concave clamping plates can be reduced, the effect of clamping and positioning the workpiece can be achieved, the annular frame I can be rotated for 180 degrees under the action of the adjusting component, and the workpiece clamped by the two concave clamping plates can be turned over on the workbench.
Description
Technical Field
The utility model relates to the technical field of numerical control machining centers, in particular to a workpiece hydraulic clamping and positioning mechanism.
Background
The numerical control machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts. The numerical control machining center is one of the numerical control machine tools with highest yield and most wide application in the world. The comprehensive processing capability is strong, more processing contents can be completed after the workpiece is clamped once, and the processing precision is high.
At present, the clamping device that numerical control machining center adopted is mostly to adopt servo motor driven mechanism, because servo motor drives the screw rod and rotates and drive and hold the subassembly displacement, because machining center inside processing sweeps splashes, influences in the screw tooth that drops the screw rod surface easily, influences the displacement precision of screw rod surface clamping assembly, can cause the phenomenon of centre gripping relaxation in the past for a long time.
In the prior art, publication number CN217942641U provides a hydraulic clamping mechanism for a machining center, which comprises a base, wherein vertical plates are installed on the left side and the right side of the base, hydraulic telescopic rods are fixedly connected to the side surfaces of the vertical plates, the number of the hydraulic telescopic rods is two, the telescopic ends of the two hydraulic telescopic rods extend to an L-shaped block which is fixedly connected between the two vertical plates, and a telescopic sleeve is arranged between the vertical plates and the L-shaped block; the hydraulic telescopic rod is adopted to drive the two L-shaped blocks to clamp the workpiece.
In the above design, after the workpiece is placed on the base and clamped by the two L-shaped blocks, the back surface of the workpiece is blocked by the base, when the other surface of the workpiece needs to be processed, the workpiece can only be turned over by a worker and then clamped and positioned after the clamping is released, so that the actual operation is relatively troublesome, and the processing efficiency is delayed, so that it is necessary to design a hydraulic workpiece clamping and positioning mechanism to solve the problem.
Disclosure of Invention
The utility model aims to provide a workpiece hydraulic clamping and positioning mechanism for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a work piece hydraulic pressure centre gripping positioning mechanism, including the operation panel, top one side of operation panel is provided with is left and right sides axial annular frame one, and be provided with on the operation panel and be used for making annular frame one carry out fore-and-aft pivoted adjusting part, an annular frame internal connection has the mounting bracket, the top of mounting bracket is followed its length direction block sliding connection and is had two front-and-back symmetrical sliders, the equal fixedly connected with in one side of two sliders is located the concave splint directly over the operation panel, one side of mounting bracket is fixed and is provided with the pneumatic cylinder, the terminal fixedly connected with impeller of piston rod of pneumatic cylinder, one side of impeller articulates there are two symmetrical catch bars, and one side that two catch bars kept away from the impeller are articulated respectively in one side that concave splint was kept away from to two sliders.
Preferably, the top fixedly connected with of mounting bracket is two front and back symmetrical fixed plates, and fixedly connected with is two upper and lower symmetry and is front and back axial guide bar between the two fixed plates, and two sliders all slide and cup joint on two guide bars for two sliders can form the left and right sliding connection on the mounting bracket.
Preferably, one side fixedly connected with of mounting bracket is the mounting panel of horizontal direction, and pneumatic cylinder fixed mounting is at the top of mounting panel for pneumatic cylinder can form the fixed connection in mounting bracket one side.
Preferably, one side of the top of the workbench is fixedly connected with two support plates, the tops of the two support plates are fixedly connected with a second annular frame, and the second annular frame is rotationally inserted into the second annular frame, so that the first annular frame can form a front-back rotary connection on one side of the workbench.
Preferably, the adjusting component comprises a spur gear which is arranged on one side of the top of the annular frame II in a rotating mode, one side of the annular frame I extends to the outside of the annular frame, one surface of the annular frame I is provided with a circle of tooth groove, the spur gear is meshed with the surface of the annular frame I through the tooth groove, a driving piece used for driving the spur gear to rotate is arranged on the annular frame II, and when the spur gear rotates, the spur gear drives the annular frame I to rotate back and forth in the annular frame II through the cooperation of the spur gear and the tooth groove, so that a workpiece clamped by the two concave clamping plates can be overturned.
Preferably, the driving piece comprises a servo motor fixedly arranged at the top of the annular frame II, the tail end of an output shaft of the servo motor is fixedly connected with the end face of the spur gear, and the spur gear can be driven to rotate when the output shaft of the servo motor rotates.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, a workpiece can be placed between the two concave clamping plates, and then the pushing block can be driven to move towards one side through the contraction of the piston rod of the hydraulic cylinder, so that the distance between the two concave clamping plates can be reduced, the effect of clamping and positioning the workpiece can be achieved, the annular frame I can be rotated for 180 degrees under the action of the adjusting component, the workpiece clamped by the two concave clamping plates can be turned over on the workbench, the other side of the workpiece can be conveniently processed, and the processing efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic side view of the structure of the present utility model;
FIG. 3 is a schematic view of another perspective structure of the present utility model;
in the figure: 1. a work table; 2. an annular frame I; 3. a mounting frame; 4. a slide block; 5. a concave splint; 6. a hydraulic cylinder; 7. a pushing block; 8. a push rod; 9. a fixing plate; 10. a guide rod; 11. a mounting plate; 12. a support plate; 13. an annular frame II; 14. spur gears; 15. tooth slots; 16. a servo motor.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
It will be apparent that numerous specific details are set forth in the following description in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than as described herein, and therefore the present utility model is not limited to the specific embodiments of the present disclosure.
Referring to fig. 1-3, the present utility model provides a hydraulic clamping and positioning mechanism for a workpiece: comprises a workbench 1, an annular frame 1 which is in a left-right axial direction is arranged on one side of the top of the workbench 1, an adjusting component which is used for enabling the annular frame 2 to rotate back and forth is arranged on the workbench 1, a mounting frame 3 is fixedly connected in the annular frame 2, two sliding blocks 4 which are symmetrical back and forth are clamped and connected on the top of the mounting frame 3 along the length direction of the annular frame, concave clamping plates 5 which are positioned right above the workbench 1 are fixedly connected on one sides of the two sliding blocks 4, a hydraulic cylinder 6 is fixedly arranged on one side of the mounting frame 3, a piston rod of the hydraulic cylinder 6 is in a complete extension state, a pushing block 7 is fixedly connected at the tail end of the piston rod of the hydraulic cylinder 6, two symmetrical pushing rods 8 are hinged on one side of the pushing block 7, one sides of the two pushing rods 8 away from the pushing block 7 are respectively hinged on one sides of the two sliding blocks 4 away from the concave clamping plates 5, through such design, can place the work piece between two concave splint 5 with the hand, then can drive the kicking block 7 through the shrink of pneumatic cylinder 6 piston rod and remove towards one side, and can pull the one side of two catch bars 8 and follow it and remove, the opposite side of two catch bars 8 then can pull two sliders 4 and carry out the slip of opposite direction this moment, make the interval of two concave splint 5 can reduce and play the effect of carrying out the centre gripping location to the work piece, and can make annular frame one 2 carry out 180 rotation under adjusting part's effect, make the work piece by two concave splint 5 centre gripping can carry out the turn-over on workstation 1, the convenience carries out the processing to the another side of work piece, the efficiency of processing has been improved.
Referring to fig. 3, the top of the mounting frame 3 is fixedly connected with two front-back symmetrical fixing plates 9, two front-back axial guide rods 10 are fixedly connected between the two fixing plates 9, and the two sliding blocks 4 are all slidably sleeved on the two guide rods 10, so that the two sliding blocks 4 can form left-right sliding connection on the mounting frame 3, and the design is more reasonable.
Specifically, the mounting plate 11 that is the horizontal direction is fixedly connected with on one side of mounting bracket 3, and pneumatic cylinder 6 fixed mounting is at the top of mounting plate 11 for pneumatic cylinder 6 can form the fixed connection on one side of mounting bracket 3.
The specific connection mode between the first annular frame 2 and the workbench 1 is as follows, two support plates 12 are fixedly connected to one side of the top of the workbench 1, the first annular frame 13 is fixedly connected to the tops of the two support plates 12, and the first annular frame 2 is rotatably inserted into the second annular frame 13, so that the first annular frame 2 can form a front-rear rotary connection on one side of the workbench 1.
In order to enable the first annular frame 2 to rotate, in some embodiments, it is proposed that the adjusting assembly comprises a spur gear 14 rotatably disposed at one side of the top of the second annular frame 13, one side of the first annular frame 2 extends out of the second annular frame 13, a circle of tooth grooves 15 are formed in one side of the surface of the first annular frame 2, which is located out of the second annular frame 13, the spur gear 14 is meshed with the surface of the first annular frame 2 through the tooth grooves 15, a driving member for driving the spur gear 14 to rotate is disposed on the second annular frame 13, and when the spur gear 14 rotates, the spur gear drives the first annular frame 2 to rotate back and forth in the second annular frame 13 through cooperation with the tooth grooves 15, so that workpieces clamped by the two concave clamping plates 5 can be overturned, and different surfaces of the workpieces can be machined conveniently.
Furthermore, the driving member comprises a servo motor 16 fixedly installed at the top of the second annular frame 13, and the tail end of an output shaft of the servo motor 16 is fixedly connected with the end face of the spur gear 14, so that the spur gear 14 can be driven to rotate when the output shaft of the servo motor 16 rotates, and the purpose of changing the angle of the workpiece is achieved.
Claims (6)
1. The utility model provides a work piece hydraulic pressure centre gripping positioning mechanism, includes workstation (1), its characterized in that: the utility model provides a top one side of workstation (1) is provided with and is control axial annular frame one (2), and be provided with on workstation (1) and be used for making annular frame one (2) carry out fore-and-aft pivoted adjusting part, fixedly connected with mounting bracket (3) in annular frame one (2), the top of mounting bracket (3) is followed its length direction block sliding connection and is had slider (4) of symmetry around two, the equal fixedly connected with in one side of two sliders (4) is located concave splint (5) directly over workstation (1), one side of mounting bracket (3) is fixed and is provided with pneumatic cylinder (6), the terminal fixedly connected with pushing block (7) of piston rod of pneumatic cylinder (6), one side of pushing block (7) articulates there are two symmetrical push rod (8), and one side that pushing block (7) were kept away from to two push rod (8) articulates respectively in one side that concave splint (5) were kept away from to two sliders (4).
2. The hydraulic workpiece clamping and positioning mechanism according to claim 1, wherein: the top fixedly connected with of mounting bracket (3) is two around symmetrical fixed plate (9), fixedly connected with is two upper and lower symmetry and is front and back axial guide bar (10) between two fixed plate (9), and two slider (4) all slip cup joint on two guide bars (10).
3. The hydraulic workpiece clamping and positioning mechanism according to claim 1, wherein: one side of the mounting frame (3) is fixedly connected with a mounting plate (11) in the horizontal direction, and the hydraulic cylinder (6) is fixedly arranged at the top of the mounting plate (11).
4. The hydraulic workpiece clamping and positioning mechanism according to claim 1, wherein: two backup pads (12) are fixedly connected with one side of the top of operation panel (1), and the top of two backup pads (12) is fixedly connected with a annular frame two (13) jointly, and annular frame one (2) rotates the inside of pegging graft at annular frame two (13).
5. The hydraulic workpiece clamping and positioning mechanism according to claim 4, wherein: the adjusting component comprises a spur gear (14) which is rotatably arranged on one side of the top of the annular frame II (13), one side of the annular frame I (2) extends out of the annular frame II (13), one circle of tooth groove (15) is formed in one side, located outside the annular frame II (13), of the surface of the annular frame I (2), the spur gear (14) is meshed with the surface of the annular frame I (2) through the tooth groove (15), and a driving piece used for driving the spur gear (14) to rotate is arranged on the annular frame II (13).
6. The hydraulic workpiece clamping and positioning mechanism according to claim 5, wherein: the driving piece comprises a servo motor (16) fixedly arranged at the top of the annular frame II (13), and the tail end of an output shaft of the servo motor (16) is fixedly connected with the end face of the spur gear (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321112679.4U CN219704281U (en) | 2023-05-10 | 2023-05-10 | Work piece hydraulic pressure centre gripping positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321112679.4U CN219704281U (en) | 2023-05-10 | 2023-05-10 | Work piece hydraulic pressure centre gripping positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219704281U true CN219704281U (en) | 2023-09-19 |
Family
ID=87977302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321112679.4U Active CN219704281U (en) | 2023-05-10 | 2023-05-10 | Work piece hydraulic pressure centre gripping positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219704281U (en) |
-
2023
- 2023-05-10 CN CN202321112679.4U patent/CN219704281U/en active Active
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