CN210451856U - Workpiece clamping device - Google Patents
Workpiece clamping device Download PDFInfo
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- CN210451856U CN210451856U CN201921030587.5U CN201921030587U CN210451856U CN 210451856 U CN210451856 U CN 210451856U CN 201921030587 U CN201921030587 U CN 201921030587U CN 210451856 U CN210451856 U CN 210451856U
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- 239000000463 material Substances 0.000 claims abstract description 85
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model relates to a workpiece clamping device, include: a substrate; the driving block is arranged on the substrate and can move relative to the substrate; the first material pushing piece is rotatably arranged on one end, close to the workpiece, of the driving block; the first end part of the first connecting rod is abutted against the driving block, and the second end part is rotatably provided with a second material supporting part; the second connecting rod is rotatably installed and is spaced from the first connecting rod, the first end of the second connecting rod is abutted against the driving block, and the second end of the second connecting rod is rotatably provided with a third material supporting part; when the driving block moves towards the workpiece, the first material supporting part supports against the workpiece and simultaneously supports against the first end part of the first connecting rod and the first end part of the second connecting rod, so that the second end part of the first connecting rod and the second end part of the second connecting rod rotate oppositely, and the first material supporting part, the second material supporting part and the third material supporting part are matched to clamp the workpiece tightly. The workpiece clamping device can stably clamp the workpiece, so that the workpiece is more stably machined in a rotating mode.
Description
Technical Field
The utility model relates to a technical field of machining especially relates to work piece clamping device.
Background
In the rotary turning of a workpiece, the workpiece is usually clamped by a mounting portion of a lathe, and then the lathe drives the workpiece to rotate, so that the lathe performs the turning of the corresponding position of the workpiece.
However, the clamping of the workpiece by the fixing mode is not stable enough, so that the workpiece is easy to shake when the workpiece is driven to rotate, and the machining precision of the workpiece is greatly influenced. If the size of the workpiece is larger, the amplitude of the swing of the workpiece is larger when the workpiece is driven to rotate, so that the workpiece cannot be processed normally.
SUMMERY OF THE UTILITY MODEL
Accordingly, it is necessary to provide a workpiece clamping device capable of stably clamping a workpiece and further stabilizing the rotation of the workpiece, in order to solve the problem that the rotation of the workpiece is unstable.
A workpiece clamping device for clamping a workpiece, comprising:
a substrate;
the driving block is arranged on the substrate and can move relative to the substrate;
the first material pushing piece is rotatably arranged on one end, close to the workpiece, of the driving block;
the first connecting rod is rotatably installed and comprises a first end part and a second end part, the first end part of the first connecting rod is abutted to the driving block, and a second material pushing part is rotatably arranged on the second end part of the first connecting rod; and
the second connecting rod is rotatably installed and comprises a first end part and a second end part, the first end part of the second connecting rod is abutted to the driving block, and a third material pushing part is rotatably arranged at the second end part of the second connecting rod; when the driving block moves towards the workpiece, the first material pushing part can be abutted to the workpiece, meanwhile, the first end part of the first connecting rod and the first end part of the second connecting rod can be abutted to press, the second end part of the first connecting rod and the second end part of the second connecting rod rotate oppositely, and the first material pushing part, the second material pushing part and the third material pushing part are matched to clamp the workpiece.
According to the workpiece clamping device, the driving block moves towards the direction close to the workpiece and supports against the first end part of the first connecting rod and the first end part of the second connecting rod, so that the second end part of the first connecting rod and the second end part of the second connecting rod rotate oppositely, the first material supporting part on the driving block supports against the first position of the workpiece, the second material supporting part on the first connecting rod supports against the second position of the workpiece, the third material supporting part on the second connecting rod supports against the third position of the workpiece, three-point positioning clamping of the first material supporting part, the second material supporting part and the third material supporting part on one end of the workpiece is formed, the other end of the workpiece is clamped on the lathe, and the workpiece can rotate relative to the first material supporting part, the second material supporting part and the third material supporting part. The workpiece clamping device can stably clamp the suspended part of the workpiece, so that the workpiece is more stable in rotating and processing, and the processing precision is higher.
In one embodiment, the device further comprises a bracket, wherein the bracket is vertically arranged on the base plate, and the driving block can be close to or far away from the workpiece along the bracket in a sliding manner. The driving block takes the bracket as a guide and can move close to or far away from the workpiece more stably.
In one embodiment, the workpiece pushing device further comprises a pushing block, a sliding groove is formed in the base plate along the length direction, the pushing block is slidably arranged in the sliding groove, the pushing block is abutted to the driving block, the pushing block slides towards the driving block to enable the driving block to be abutted to the direction close to the workpiece, or the pushing block slides away from the driving block to enable the driving block to move towards the direction far away from the workpiece. The driving block can be more stably pushed to move towards the direction close to the workpiece by the pushing block, so that the operation is more convenient and the operation is smoother.
In one embodiment, a first inclined surface is arranged at one end, close to the workpiece, of the pushing block, a second inclined surface matched with the first inclined surface is arranged at one end, far away from the workpiece, of the driving block, and the pushing block pushes the driving block towards the direction close to the workpiece through the sliding of the first inclined surface relative to the second inclined surface, or the driving block can move towards the direction far away from the workpiece. When the pushing block moves towards the driving block, the higher side of the first inclined surface gradually presses against the second inclined surface, so that the driving block can move close to the workpiece; when the pushing block moves away from the driving block, the higher side of the first inclined plane can be gradually away from the second inclined plane, the driving block gradually loses the abutting force, and the pushing block can move towards the direction away from the workpiece so as to release the workpiece.
In one embodiment, the device further comprises a driving device, the driving device is arranged on the substrate, the driving end of the driving device extends along the length direction of the substrate, and the driving end of the driving device is linked with the pushing block. The driving block can be automatically pushed to move through the driving device, and the operation is more convenient.
In one embodiment, a third inclined surface and a fourth inclined surface are oppositely arranged on the outer peripheral surface of the driving block, the third inclined surface abuts against the first end portion of the first connecting rod, the fourth inclined surface abuts against the first end portion of the second connecting rod, and the driving block abuts against the first end portion of the first connecting rod and the fourth inclined surface through the third inclined surface to press the first end portion of the second connecting rod, so that the second end portion of the first connecting rod and the second end portion of the second connecting rod rotate oppositely. The third inclined plane can stably support and press the first end part of the first connecting rod, the fourth inclined plane can stably support and press the first end part of the second connecting rod, the second end part of the first connecting rod and the second end part of the second connecting rod can stably rotate in opposite directions, and therefore the second material supporting part and the third material supporting part are firmer when supporting and pressing the workpiece.
In one embodiment, the third inclined surface and the fourth inclined surface are arranged in a manner of inclining from one end of the driving block far away from the workpiece to one end of the driving block close to the workpiece, so that the section of one end of the driving block far away from the workpiece is larger than that of one end of the driving block close to the workpiece. By the structure, when the driving block moves close to a workpiece, the third inclined plane abuts against the first end part of the first connecting rod, and the fourth inclined plane abuts against the first end part of the second connecting rod, so that the second end part of the first connecting rod and the second end part of the second connecting rod can stably rotate oppositely.
In one embodiment, the middle portions of the first and second links are bent away from the workpiece. The first end part of the first connecting rod and the first end part of the second connecting rod can be pressed through the driving block, and the first end part of the first connecting rod and the first end part of the second connecting rod rotate reversely.
In one embodiment, at least one of the following features is included: the workpiece is of a longitudinally extending structure, and the first material supporting part, the second material supporting part and the third material supporting part are matched and clamped on the peripheral surface of the workpiece; the positions of the first material supporting part, the second material supporting part and the third material supporting part are distributed in a triangular shape. The first material piece, the second material piece and the third material piece that supports that support this kind of setting mode, can be more stable with the work piece centre gripping, prevent that the work piece from taking place to rock.
In one embodiment, the device further comprises a first elastic return piece and a second elastic return piece, wherein two ends of the first elastic return piece are respectively connected with the second end part of the first connecting rod and the rotating installation position of the first connecting rod; and two ends of the second elastic return piece are respectively connected with the second end part of the second connecting rod and the rotating installation position of the second connecting rod. When the driving block does not press against the first end part of the first connecting rod and the first end part of the second connecting rod, under the elastic restoring force of the first elastic restoring piece and the second elastic restoring piece, the second end part of the first connecting rod and the second end part of the second connecting rod can rotate reversely, so that the second material supporting piece and the third material supporting piece release the machined workpiece.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the workpiece clamping device of the present invention;
FIG. 2 is a reference diagram of the workpiece clamping device according to the present invention in a working condition when clamping a workpiece;
fig. 3 is a reference diagram of the work clamping device of the present invention in use when releasing the work.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a workpiece clamping device; 11. a substrate; 111. a chute; 12. a drive block; 121. a third inclined plane; 122. a fourth slope; 13. a first material supporting member; 14. a first link; 15. a second material supporting part; 16. a second link; 17. a third material supporting part; 18. a support; 19. a drive device; 110. a pushing block; 120. a roller; 130. a first elastic return member; 140. a second elastic return member; 20. a first fixing member; 30. a second fixing member; 40. and (5) a workpiece.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Referring to fig. 1, in one embodiment, a workpiece clamping device 1 is used for clamping a workpiece 40, and includes: the material pushing device comprises a base plate 11, a driving block 12, a first material supporting part 13, a first connecting rod 14, a second material supporting part 15, a second connecting rod 16 and a third material supporting part 17. The base plate 11 is in the form of a long plate and is placed horizontally. The driving block 12 is provided on the substrate 11 to be movable up and down. The first material supporting member 13 is rotatably disposed on one end of the driving block 12 close to the workpiece 40. The first connecting rod 14 is fixed by the first fixing member 20, and the first connecting rod 14 can rotate relative to the first fixing member 20. The first link 14 includes a first end and a second end, the first end of the first link 14 abutting the drive block 12. The second material supporting member 15 is rotatably disposed on the second end portion of the first connecting rod 14. The second connecting rod 16 is spaced apart from the first connecting rod 14, and the second connecting rod 16 is fixed by a second fixing member 30, and the second connecting rod 16 can rotate relative to the second fixing member 30. The second link 16 includes a first end and a second end, the first end of the second link 16 abutting the drive block 12. The third material supporting member 17 is rotatably disposed on the second end portion of the second connecting rod 16. The driving block 12 moves towards the direction close to the workpiece 40 and presses against the first end of the first connecting rod 14 and the first end of the second connecting rod 16, so that the second end of the first connecting rod 14 and the second end of the second connecting rod 16 rotate oppositely, the first material supporting part 13 on the driving block 12 presses against the first position of the workpiece 40, the second material supporting part 15 on the first connecting rod 14 presses against the second position of the workpiece 40, the third material supporting part 17 on the second connecting rod 16 presses against the third position of the workpiece 40, three-point positioning and clamping of the first material supporting part 13, the second material supporting part 15 and the third material supporting part 17 to one end of the workpiece 40 are formed, the other end of the workpiece 40 is clamped on the lathe, and the workpiece 40 can rotate relative to the first material supporting part 13, the second material supporting part 15 and the third material supporting part 17, and the middle part and the ends of the workpiece 40 are conveniently machined. The workpiece clamping device 1 can stably clamp the suspended part of the workpiece 40, so that the workpiece 40 is more stable in rotating processing and higher in processing precision.
It should be noted that the workpiece 40 may specifically be a longitudinally extending structure, the first material supporting member 13, the second material supporting member 15, and the third material supporting member 17 are clamped on the outer peripheral surface of the workpiece 40 in a matching manner, and the positions where the first material supporting member 13, the second material supporting member 15, and the third material supporting member 17 are arranged may be in a triangular distribution, so that the workpiece 40 may be clamped more stably, and the workpiece 40 is prevented from shaking.
In one embodiment, the workpiece clamping device 1 further includes a bracket 18, the bracket 18 is vertically disposed on the base plate 11, the bracket 18 is provided with a guide groove along the height direction, and the outer surface of the driving block 12 is provided with a projection which can match with the guide groove so that the driving block 12 can be close to or far away from the workpiece 40 in a manner of sliding up and down along the bracket 18. The drive block 12 is guided by the carriage 18 and can move closer to or further away from the workpiece 40 more stably.
In order to achieve an automated driving of the drive block 12, the workpiece clamping device 1 further comprises a drive device 19 and a push block 110. The driving device 19 is disposed on the substrate 11, and a driving end of the driving device 19 extends along a length direction of the substrate 11. The base plate 11 is provided with a sliding groove 111 along the length direction, the pushing block 110 is slidably arranged in the sliding groove 111, the top end of the pushing block 110 is abutted against the bottom end of the driving block 12, and the pushing block 110 is linked with the driving end of the driving device 19. The driving device 19 drives the pushing block 110 to slide towards the driving block 12 to press the driving block 12 towards the workpiece 40, or the driving device 19 drives the pushing block 110 to slide away from the driving block 12 to enable the driving block 12 to move away from the workpiece 40. The pushing block 110 can more stably push the driving block 12 to move towards the direction close to the workpiece 40, so that the operation is more convenient and the operation is smoother.
In one embodiment, a first inclined surface is disposed on the top end of the pushing block 110, and a second inclined surface matching the first inclined surface is disposed on the bottom end of the driving block 12. It can be understood that the first inclined plane is arranged from the top end of the pushing block 110 to the bottom end of the pushing block 110 in an inclined downward manner, and the second inclined plane is arranged from the bottom end of the driving block 12 to the top end of the driving block 12 in an inclined upward manner, so that the first inclined plane and the second inclined plane are matched and slide. The pushing block 110 pushes the driving block 12 to approach the workpiece 40 by sliding the first inclined surface relative to the second inclined surface, or makes the driving block 12 fall back away from the workpiece 40. The arrangement of the first inclined surface and the second inclined surface can better realize that the pushing block 110 pushes the driving block 12 to move. When the pushing block 110 moves towards the driving block 12, the higher side of the first inclined plane will gradually press against the second inclined plane, so that the driving block 12 can move close to the workpiece 40; when the pushing block 110 moves away from the driving block 12, the higher side of the first inclined plane gradually moves away from the second inclined plane, and the driving block 12 gradually loses its support and falls back away from the workpiece 40 under the action of gravity.
In an embodiment, the outer peripheral surface of the driving block 12 includes a first connecting surface, a second connecting surface, a third inclined surface 121, and a fourth inclined surface 122, the first connecting surface, the second connecting surface, the third inclined surface 121, and the fourth inclined surface 122 together enclose the outer peripheral surface of the driving block 12, the first connecting surface is opposite to the second connecting surface, and the third inclined surface 121 is opposite to the fourth inclined surface 122. The third inclined surface 121 abuts against the first end of the first link 14, and the fourth inclined surface 122 abuts against the first end of the second link 16. The driving block 12 presses the first end of the first connecting rod 14 through the third inclined surface 121 and presses the first end of the second connecting rod 16 through the fourth inclined surface 122, so that the second end of the first connecting rod 14 and the second end of the second connecting rod 16 rotate oppositely.
Referring to fig. 1, in a first arrangement of the driving block 12, the driving block 12 is disposed below the workpiece 40, the first material supporting member 13 is rotatably disposed on the top end of the driving block 12, and the third inclined surface 121 and the fourth inclined surface 122 extend from two sides of the bottom end of the driving block 12 to the top end of the driving block 12 in an inclined manner, so that the cross-sectional area of the top end of the driving block 12 is smaller than the cross-sectional area of the bottom end of the driving block 12. This structure enables the third inclined surface 121 to press the first end of the first connecting rod 14 upward and the fourth inclined surface 122 to press the first end of the second connecting rod 16 upward when the driving block 12 moves upward to approach the workpiece 40, so that the second end of the first connecting rod 14 and the second end of the second connecting rod 16 can stably rotate toward each other.
Referring to fig. 2, when the workpiece 40 needs to be clamped, the pushing block 110 slides towards the driving block 12, so that the driving block 12 slides upwards, the driving block 12 presses against the first end of the first connecting rod 14 and the fourth inclined surface 122 presses against the first end of the second connecting rod 16 through the third inclined surface 121, the first connecting rod 14 rotates relative to the first fixing member 20, the second connecting rod 16 rotates relative to the second fixing member 30, the second end of the first connecting rod 14 and the second end of the second connecting rod 16 move relative to each other, and the first material pressing member 13, the second material pressing member 15 and the third material pressing member 17 are matched to clamp the workpiece 40.
Referring to fig. 3, when the workpiece 40 needs to be released, the pushing block 110 slides away from the driving block 12, so that the driving block 12 can slide downward due to gravity, so that the first material supporting member 13 is away from the workpiece 40, meanwhile, the third inclined surface 121 of the driving block 12 moves in a direction away from the first end of the first connecting rod 14, and the fourth inclined surface 122 moves in a direction away from the first end of the second connecting rod 16, the first connecting rod 14 can rotate relative to the first fixing member 20, the second connecting rod 16 can rotate relative to the second fixing member 30, and the second end of the first connecting rod 14 and the second end of the second connecting rod 16 move in opposite directions, and the second material supporting member 15 and the third material supporting member 17 release the workpiece 40.
In the second setting mode of the driving block 12, the driving block 12 is disposed above the workpiece 40, the first material supporting member 13 is rotatably disposed at the bottom end of the driving block 12, and the third inclined surface 121 and the fourth inclined surface 122 extend obliquely downward from two sides of the top end of the driving block 12 to the bottom end of the driving block 12, and the sectional area of the top end of the driving block 12 is made larger than the sectional area of the bottom end of the driving block 12. This structure enables the third inclined surface 121 to press the first end of the first connecting rod 14 downward and the fourth inclined surface 122 to press the first end of the second connecting rod 16 downward when the driving block 12 moves downward to approach the workpiece 40, so that the second end of the first connecting rod 14 and the second end of the second connecting rod 16 can stably rotate toward each other. When the driving block 12 moves upward and away from the workpiece 40, the third inclined surface 121 no longer presses against the first end of the first connecting rod 14, the fourth inclined surface 122 also no longer presses against the first end of the second connecting rod 16, and the second end of the first connecting rod 14 and the second end of the second connecting rod 16 can freely rotate in a direction away from the workpiece 40, so that the workpiece 40 is released.
In one embodiment, the middle portions of the first connecting rod 14 and the second connecting rod 16 are bent away from the workpiece 40, and the bending angles are both 110 ° to 150 °. The first end of the first connecting rod 14 and the first end of the second connecting rod 16 can be pressed by the driving block 12, and the first end of the first connecting rod 14 and the first end of the second connecting rod 16 rotate in opposite directions, so that due to the lever principle, the first connecting rod 14 rotates relative to the first fixing member 20, the second connecting rod 16 rotates relative to the second fixing member 30, and the second end of the first connecting rod 14 and the second end of the second connecting rod 16 can rotate in opposite directions to clamp the workpiece 40.
Further, the middle portion of the first link 14 is rotatably connected to the first fixing member 20, and the middle portion of the second link 16 is rotatably connected to the second fixing member 30. When the driving block 12 is pressed against the first end of the first connecting rod 14 and the first end of the second connecting rod 16, the first connecting rod 14 and the second connecting rod 16 can rotate more stably, and the workpiece 40 is clamped by the relative rotation of the second end of the first connecting rod 14 and the second end of the second connecting rod 16.
It should be noted that the first material supporting member 13, the second material supporting member 15 and the third material supporting member 17 can be rollers 120, and the rollers 120 can be specifically stainless steel rollers, iron rollers, etc., and the surfaces of the rollers 120 are smooth. The first end of the first connecting rod 14 and the first end of the second connecting rod 16 may also be provided with a roller 120, so that the driving block 12 can run more smoothly when being pressed against the first end of the first connecting rod 14 and the first end of the second connecting rod 16.
In one embodiment, the workpiece clamping device 1 further includes a first resilient return member 130 and a second resilient return member 140. The two ends of the first elastic return element 130 are respectively connected with the second end of the first connecting rod 14 and the first fixing element 20. Both ends of the second elastic restoring member 140 are connected to the second end of the second connecting rod 16 and the second fixing member 30, respectively. When the workpiece 40 is machined, the workpiece clamping device 1 needs to release the workpiece 40, and at this time, the driving block 12 moves away from the workpiece 40, and the third inclined surface 121 of the driving block 12 no longer presses against the first end of the first connecting rod 14, and the fourth inclined surface 122 no longer presses against the first end of the second connecting rod 16, under the elastic restoring force of the first elastic restoring member 130 and the second elastic restoring member 140, the second end of the first connecting rod 14 and the second end of the second connecting rod 16 rotate in opposite directions, so that the second material-resisting member 15 and the third material-resisting member 17 release the machined workpiece 40, which is to be noted, at this time, the first material-resisting member 13 on the top end of the driving block 12 also disengages from the workpiece 40. Self-returning of the second end of the first link 14 and the second end of the second link 16 away from the workpiece 40 may be achieved. Specifically, the first elastic restoring member 130 and the second elastic restoring member 140 may be springs.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A workpiece clamping device for clamping a workpiece, comprising:
a substrate;
the driving block is arranged on the substrate and can move relative to the substrate;
the first material pushing piece is rotatably arranged on one end, close to the workpiece, of the driving block;
the first connecting rod is rotatably installed and comprises a first end part and a second end part, the first end part of the first connecting rod is abutted to the driving block, and a second material pushing part is rotatably arranged on the second end part of the first connecting rod; and
the second connecting rod is rotatably installed and comprises a first end part and a second end part, the first end part of the second connecting rod is abutted to the driving block, and a third material pushing part is rotatably arranged at the second end part of the second connecting rod; when the driving block moves towards the workpiece, the first material pushing part can be abutted to the workpiece, meanwhile, the first end part of the first connecting rod and the first end part of the second connecting rod can be abutted to press, the second end part of the first connecting rod and the second end part of the second connecting rod rotate oppositely, and the first material pushing part, the second material pushing part and the third material pushing part are matched to clamp the workpiece.
2. The workpiece clamping device according to claim 1, further comprising a bracket vertically provided on the base plate, the driving block being capable of slidably approaching or separating from the workpiece along the bracket.
3. The workpiece clamping device according to claim 2, further comprising a pushing block, wherein the base plate is provided with a sliding groove along a length direction, the pushing block is slidably arranged in the sliding groove, the pushing block abuts against the driving block, the pushing block slides towards the driving block to press the driving block towards a direction close to the workpiece, or the pushing block slides away from the driving block to enable the driving block to move towards a direction away from the workpiece.
4. The workpiece clamping device as recited in claim 3, wherein a first inclined surface is provided on an end of the pushing block close to the workpiece, a second inclined surface matching with the first inclined surface is provided on an end of the driving block away from the workpiece, and the pushing block pushes the driving block towards the direction close to the workpiece by sliding the first inclined surface relative to the second inclined surface, or the driving block can move towards the direction away from the workpiece.
5. The workpiece clamping device according to claim 3, further comprising a driving device, wherein the driving device is arranged on the base plate, a driving end of the driving device extends along the length direction of the base plate, and the driving end of the driving device is linked with the pushing block.
6. The workpiece clamping device according to claim 1, wherein a third inclined surface and a fourth inclined surface are oppositely arranged on the outer peripheral surface of the driving block, the third inclined surface abuts against the first end portion of the first connecting rod, the fourth inclined surface abuts against the first end portion of the second connecting rod, and the driving block abuts against the first end portion of the first connecting rod through the third inclined surface and the fourth inclined surface abuts against the first end portion of the second connecting rod, so that the second end portion of the first connecting rod and the second end portion of the second connecting rod rotate oppositely.
7. The workpiece clamping device according to claim 6, wherein the third inclined surface and the fourth inclined surface are inclined from the end of the driving block far away from the workpiece to the end of the driving block close to the workpiece, so that the cross section of the end of the driving block far away from the workpiece is larger than that of the end of the driving block close to the workpiece.
8. The workpiece clamping device according to claim 6, wherein the middle portions of the first link and the second link are each bent in a direction away from the workpiece.
9. The workpiece clamping device of claim 1, comprising at least one of the following features:
the workpiece is of a longitudinally extending structure, and the first material supporting part, the second material supporting part and the third material supporting part are matched and clamped on the peripheral surface of the workpiece;
the positions of the first material supporting part, the second material supporting part and the third material supporting part are distributed in a triangular shape.
10. The workpiece clamping device according to any one of claims 1 to 9, further comprising a first elastic return member and a second elastic return member, wherein both ends of the first elastic return member are respectively connected with the second end portion of the first link and the rotational mounting position of the first link; and two ends of the second elastic return piece are respectively connected with the second end part of the second connecting rod and the rotating installation position of the second connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921030587.5U CN210451856U (en) | 2019-07-04 | 2019-07-04 | Workpiece clamping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921030587.5U CN210451856U (en) | 2019-07-04 | 2019-07-04 | Workpiece clamping device |
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| CN210451856U true CN210451856U (en) | 2020-05-05 |
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| CN201921030587.5U Expired - Fee Related CN210451856U (en) | 2019-07-04 | 2019-07-04 | Workpiece clamping device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515773A (en) * | 2020-05-09 | 2020-08-11 | 江苏锋宝冶金设备有限公司 | Fixing device with positioning structure for processing shear blade |
| CN112318165A (en) * | 2020-11-05 | 2021-02-05 | 扬州大学 | Self-positioning three-point positioning device |
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2019
- 2019-07-04 CN CN201921030587.5U patent/CN210451856U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515773A (en) * | 2020-05-09 | 2020-08-11 | 江苏锋宝冶金设备有限公司 | Fixing device with positioning structure for processing shear blade |
| CN111515773B (en) * | 2020-05-09 | 2021-04-27 | 江苏锋宝冶金设备有限公司 | Fixing device with positioning structure for processing shear blade |
| CN112318165A (en) * | 2020-11-05 | 2021-02-05 | 扬州大学 | Self-positioning three-point positioning device |
| CN112318165B (en) * | 2020-11-05 | 2022-08-09 | 扬州大学 | Self-positioning three-point positioning device |
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Effective date of registration: 20210425 Address after: Building 11, No. 190, Liaobu section, Guanzhang Road, Liaobu Town, Dongguan City, Guangdong Province Patentee after: Dongguan Alpha Electronic Technology Co.,Ltd. Address before: 523808, 6, three West Road, Songshan hi tech Industrial Development Zone, Guangdong, Dongguan Patentee before: GUANGDONG EVERWIN PRECISION TECHNOLOGY Co.,Ltd. |
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