CN210677824U - Clamping structure for precision machining - Google Patents
Clamping structure for precision machining Download PDFInfo
- Publication number
- CN210677824U CN210677824U CN201921255988.0U CN201921255988U CN210677824U CN 210677824 U CN210677824 U CN 210677824U CN 201921255988 U CN201921255988 U CN 201921255988U CN 210677824 U CN210677824 U CN 210677824U
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- clamping
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- 238000003754 machining Methods 0.000 title claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 230000006978 adaptation Effects 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model belongs to the technical field of machining, especially, be a clamping structure for precision finishing, including the workstation with install two movable plates at the up end of workstation, two spouts have been seted up to the up end of workstation, the bottom fixed mounting of movable plate has with the slider of spout looks adaptation, the movable plate passes through the slider, the spout with the workstation sliding connection, fixed mounting has the clamping piece on the movable plate, one side that the movable plate kept away from the clamping piece is installed the regulating part; under the mutually supporting of arc splint and square splint in the clamping piece, can select according to the work piece of centre gripping, when the tight bulk work piece of needs clamp, stretch out square splint through the adjusting part to use square splint to press from both sides tight bulk work piece, effectively prevent when pressing from both sides tight bulk work piece or tubular workpiece, need change the tight structure of clamp of looks adaptation, improved work efficiency.
Description
Technical Field
The utility model belongs to the technical field of machining, concretely relates to precision finishing is with pressing from both sides tight structure.
Background
In the process of processing a workpiece, on the basis of positioning, the positioning of the workpiece is generally damaged due to the fact that the workpiece is subjected to large external force (mainly cutting force) during processing, at the moment, clamping force needs to be applied to the workpiece to prevent the workpiece from moving, and therefore a clamp needs to be arranged on a workbench to prevent the workpiece from generating displacement or vibration during the processing.
The clamping structure of the prior art needs to be replaced to clamp the workpiece (such as a tubular workpiece or a block workpiece) in different shapes after the machine is stopped, so that the application range of the clamp is low, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a precision finishing is with pressing from both sides tight structure has but the work piece of centre gripping different shapes, and can carry out the block to the cubic work piece of different specifications and fix, fixed better characteristics of effect.
In order to achieve the above object, the utility model provides a following technical scheme: a clamping structure for precision machining comprises a workbench and two moving plates arranged on the upper end face of the workbench, wherein two sliding grooves are formed in the upper end face of the workbench, a sliding block matched with the sliding grooves is fixedly arranged at the bottom of each moving plate, each moving plate is connected with the workbench in a sliding mode through the corresponding sliding block and the corresponding sliding groove, a clamping element is fixedly arranged on each moving plate, and an adjusting element is arranged on one side, far away from the corresponding clamping element, of each moving plate; the clamping piece includes arc splint and square splint, the inside of arc splint seted up with the slide opening of square splint looks adaptation, the arc splint pass through the slide opening with arc splint sliding connection, the arc splint with fixed mounting has the bracing piece between the movable plate, square splint keep away from one side fixed mounting of arc splint has the guide bar, just the guide bar opposite side runs through movable plate fixed mounting has the regulating plate.
Preferably, the regulating part includes knob and screw rod, the knob with the relative one side of movable plate with screw rod fixed connection, just the screw rod runs through the regulating plate rotates and is connected with the bearing, the regulating plate passes through the bearing with the movable plate rotates and is connected.
Preferably, the center of the adjusting plate is fixedly provided with a sleeve matched with the screw rod, and the sleeve is rotatably connected with the screw rod.
Preferably, the square clamping plate is provided with a first clamping groove and a second clamping groove, and the first clamping groove is fixedly arranged on the inner side of the second clamping groove.
Preferably, the first clamping groove and the second clamping groove are internally and fixedly bonded with a wear-resistant layer.
Preferably, a spring is fixedly installed between the adjusting plate and the moving plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, under mutually supporting of arc splint and square splint in through the clamping piece, can select according to the shape of the centre gripping work piece that will, when the tight cubic work piece of needs clamp, stretch out square splint through the regulating part to use square splint to press from both sides tight cubic work piece, enlarged the application range of this device, effectively prevent when pressing from both sides tight cubic work piece or tubulose work piece, need change the tight structure of clamp of looks adaptation, improved work efficiency.
2. In the use, drive the clamping piece through the movable plate and remove to carry out the centre gripping to the work piece on the workstation and fix, and because set up the draw-in groove of variation in size in the square splint, can carry out the block to the work piece of different width and fix, thereby fix the four corners block of the work piece of equidimension not on the clamping piece, make to press from both sides tight fixed effect better, effectively prevent to take place the skew and rock in the work piece course of working.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic structural view of the square splint of the present invention.
In the figure: 1. a work table; 11. a chute; 12. a slider; 2. moving the plate; 3. a clamping member; 31. an arc-shaped splint; 311. a slide hole; 32. a square splint; 321. a first card slot; 322. a second card slot; 323. a wear layer; 33. an adjusting plate; 331. a sleeve; 34. a support bar; 35. a guide bar; 36. a spring; 4. an adjustment member; 41. a knob; 42. a screw; 43. and a bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative labor belong to the protection scope of the present invention, in the present invention, for convenience of description, the description of the relative position relationship of each component is described according to the layout mode of the drawings in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the specification layout direction.
Referring to fig. 1-3, the present invention provides the following technical solutions: a clamping structure for precision machining comprises a workbench 1 and two moving plates 2 arranged on the upper end face of the workbench 1, wherein two sliding grooves 11 are formed in the upper end face of the workbench 1, a sliding block 12 matched with the sliding grooves 11 is fixedly arranged at the bottom of each moving plate 2, each moving plate 2 is connected with the workbench 1 in a sliding mode through the sliding block 12 and the sliding grooves 11, a clamping piece 3 is fixedly arranged on each moving plate 2, and an adjusting piece 4 is arranged on one side, far away from the clamping piece 3, of each moving plate 2; clamping piece 3 includes arc splint 31 and square splint 32, and the slide opening 311 with square splint 32 looks adaptation is seted up to arc splint 31's inside, and arc splint 31 passes through slide opening 311 and arc splint 31 sliding connection, and fixed mounting has bracing piece 34 between arc splint 31 and the movable plate 2, and one side fixed mounting that arc splint 31 was kept away from to square splint 32 has guide bar 35, and guide bar 35 opposite side runs through movable plate 2 fixed mounting has regulating plate 33.
In the embodiment, the arc-shaped clamping plate 31 and the square clamping plate 32 in the clamping member 3 are matched with each other, so that the clamping member can be selected according to the shape of a workpiece to be clamped, when the block-shaped workpiece needs to be clamped, the knob 41 is manually rotated to drive the screw rod 42 to rotate on the movable plate 2 through the bearing 43, the sleeve 331 and the screw rod 42 are matched with each other to drive the adjusting plate 33 to move, so that the square clamping plate 32 extends out through the sliding hole 311 in the arc-shaped clamping plate 31, the block-shaped workpiece is clamped by using the square clamping plate 32, the application range of the device is expanded, the situation that the matched clamping structure needs to be changed when the block-shaped workpiece or the tubular workpiece is clamped is effectively prevented, the working efficiency is improved, the clamping member 3 is moved through the movable plate 2, so that the workpiece on the workbench 1 is clamped and fixed, and the first clamping groove 321 and the second clamping groove 322 with different sizes, can carry out the block to the work piece of different width and fix to fix the four corners block of the work piece of equidimension not on clamping piece 3, make to press from both sides tight fixed effect better, effectively prevent to take place the skew and rock in the work piece course of working.
Specifically, the adjusting part 4 comprises a knob 41 and a screw rod 42, one side of the knob 41 opposite to the moving plate 2 is fixedly connected with the screw rod 42, the screw rod 42 penetrates through the adjusting plate 33 and is rotatably connected with a bearing 43, and the adjusting plate 33 is rotatably connected with the moving plate 2 through the bearing 43; through manual rotation knob 41, drive screw rod 42 and pass through bearing 43 and rotate on movable plate 2, under sleeve 331 and screw rod 42 mutually support, drive regulating plate 33 and remove to stretch out square splint 32 through the inside slide opening 311 of arc splint 31, thereby use square splint 32 to press from both sides tight to the cubic work piece, accessible regulating part 4 stretches out and accomodates square splint 32, thereby select square splint 32 or arc splint 31 to press from both sides tight operation.
Specifically, a sleeve 331 adapted to the screw 42 is fixedly installed at the center of the adjusting plate 33, and the sleeve 331 is rotatably connected with the screw 42; the sleeve 331 is fixed with the screw rod 42 in a threaded manner, and in the rotating process of the screw rod 42, the adjusting plate 33 is driven to move under the action of the sleeve 331 so as to adjust the square clamping plate 32.
Specifically, the square splint 32 is provided with a first clamping groove 321 and a second clamping groove 322, and the first clamping groove 321 is fixedly installed at the inner side of the second clamping groove 322; set up the first draw-in groove 321 and the second draw-in groove 322 of the size difference of size in the square splint 32, can carry out the block to the work piece of different width and fix to fix the four corners block of the work piece of equidimension not on clamping piece 3, make to press from both sides tight fixed effect better, effectively prevent to take place the skew and rock in the work piece course of working.
Specifically, the wear-resistant layers 323 are fixedly bonded inside the first clamping groove 321 and the second clamping groove 322; the wear-resistant layer 323 can adopt wear-resistant alloy steel, enhances the wear-resistant performance of the contact surface between the workpiece and the first clamping groove 321 and the second clamping groove 322, prevents the workpiece from contacting the first clamping groove 321 and the second clamping groove 322 for a long time, and damages the first clamping groove 321 and the second clamping groove 322, so that the workpiece is rocked in the first clamping groove 321 and the second clamping groove 322, and the precise processing of the workpiece is influenced.
Specifically, a spring 36 is fixedly arranged between the adjusting plate 33 and the moving plate 2; when the adjusting plate 33 moves, the spring 36 is elastically deformed, thereby damping and absorbing the movement of the adjusting plate 33.
The utility model discloses a theory of operation and use flow: after the utility model is installed, the two moving plates 2 are driven under the action of the external driving component to move under the action of the sliding block 12 and the sliding groove 11, the workpiece on the workbench 1 is clamped and fixed through the arc-shaped clamping plate 31, when the block-shaped workpiece needs to be clamped, the knob 41 is manually rotated to drive the screw rod 42 to rotate on the moving plate 2 through the bearing 43, the adjusting plate 33 is driven to move under the mutual matching of the sleeve 331 and the screw rod 42, when the adjusting plate 33 moves, the spring 36 is elastically deformed, the movement of the adjusting plate 33 is buffered and damped, under the driving of the adjusting plate 33, the square clamping plate 32 is extended out through the sliding hole 311 inside the arc-shaped clamping plate 31, the block-shaped workpiece is clamped by the square clamping plate 32, the application range of the device is enlarged, and when the block-shaped workpiece or the tubular workpiece is clamped, need change the tight structure of clamp of looks adaptation, work efficiency is improved, and because first draw-in groove 321 and the second draw-in groove 322 of the size difference of size have been seted up in the square splint 32, can carry out the block to the work piece of different width and fix, thereby fix the four corners block of the work piece of equidimension not on clamping piece 3, make to press from both sides tight fixed effect better, effectively prevent to take place the skew and rock in the work piece course of working, and first draw-in groove 321, the wearing layer 323 that is equipped with in the second draw-in groove 322, reinforcing work piece and first draw-in groove 321, the wear resistance of contact surface between the second draw-in groove 322, prevent work piece and first draw-in groove 321, the long-time contact of second draw-in groove 322, damage first draw-in groove 321, second draw-in groove 322, make the work piece at first draw-in groove.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The clamping structure for precision machining is characterized by comprising a workbench (1) and two moving plates (2) arranged on the upper end face of the workbench (1), wherein two sliding grooves (11) are formed in the upper end face of the workbench (1), a sliding block (12) matched with the sliding grooves (11) is fixedly arranged at the bottom of each moving plate (2), the moving plates (2) are in sliding connection with the workbench (1) through the sliding blocks (12) and the sliding grooves (11), a clamping piece (3) is fixedly arranged on each moving plate (2), and an adjusting piece (4) is arranged on one side, far away from the clamping piece (3), of each moving plate (2);
clamping piece (3) include arc splint (31) and square splint (32), the inside of arc splint (31) seted up with slide opening (311) of square splint (32) looks adaptation, arc splint (31) pass through slide opening (311) with arc splint (31) sliding connection, arc splint (31) with fixed mounting has bracing piece (34) between movable plate (2), square splint (32) are kept away from one side fixed mounting of arc splint (31) has guide bar (35), just guide bar (35) opposite side runs through movable plate (2) fixed mounting has regulating plate (33).
2. The clamping structure for precision machining according to claim 1, characterized in that: regulating part (4) include knob (41) and screw rod (42), knob (41) with the relative one side of moving plate (2) with screw rod (42) fixed connection, just screw rod (42) run through regulating plate (33) are rotated and are connected with bearing (43), regulating plate (33) are passed through bearing (43) with moving plate (2) are rotated and are connected.
3. The clamping structure for precision machining according to claim 2, wherein: the center department fixed mounting of regulating plate (33) with sleeve (331) of screw rod (42) looks adaptation, sleeve (331) with screw rod (42) rotate and are connected.
4. The clamping structure for precision machining according to claim 1, characterized in that: a first clamping groove (321) and a second clamping groove (322) are formed in the square clamping plate (32), and the first clamping groove (321) is fixedly installed on the inner side of the second clamping groove (322).
5. The clamping structure for precision machining according to claim 4, wherein: and wear-resistant layers (323) are fixedly bonded in the first clamping groove (321) and the second clamping groove (322).
6. The clamping structure for precision machining according to claim 1, characterized in that: and a spring (36) is fixedly arranged between the adjusting plate (33) and the moving plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921255988.0U CN210677824U (en) | 2019-08-05 | 2019-08-05 | Clamping structure for precision machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921255988.0U CN210677824U (en) | 2019-08-05 | 2019-08-05 | Clamping structure for precision machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210677824U true CN210677824U (en) | 2020-06-05 |
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ID=70881603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921255988.0U Expired - Fee Related CN210677824U (en) | 2019-08-05 | 2019-08-05 | Clamping structure for precision machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210677824U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890247A (en) * | 2020-07-01 | 2020-11-06 | 浙江哈特惠科技股份有限公司 | High-strength anti-drop bolt processing equipment for high-speed rail and its processing method |
| CN112091507A (en) * | 2020-08-28 | 2020-12-18 | 安徽双骏智能科技有限公司 | Electric control clamp based on robot welding and using method thereof |
| CN112297107A (en) * | 2020-10-14 | 2021-02-02 | 易晓强 | Rubber and plastic product automatic cutting device with arc blanking plate |
| CN112621264A (en) * | 2020-12-07 | 2021-04-09 | 龚建生 | Portable duplex position anchor clamps for numerically controlled fraise machine |
| CN113830544A (en) * | 2021-08-30 | 2021-12-24 | 山东省冶金设计院股份有限公司 | Billet upset straightener |
| CN113910057A (en) * | 2021-11-09 | 2022-01-11 | 南京农业大学 | A kind of mechanical profile grinding device for mechanical engineering and grinding method thereof |
| CN113909518A (en) * | 2021-11-09 | 2022-01-11 | 湖南寰宇新材料科技股份有限公司 | Automatic drilling device for plate-type furniture production |
| CN114227563A (en) * | 2021-11-23 | 2022-03-25 | 煤炭科学研究总院 | Rock core centre gripping frock |
-
2019
- 2019-08-05 CN CN201921255988.0U patent/CN210677824U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890247A (en) * | 2020-07-01 | 2020-11-06 | 浙江哈特惠科技股份有限公司 | High-strength anti-drop bolt processing equipment for high-speed rail and its processing method |
| CN112091507A (en) * | 2020-08-28 | 2020-12-18 | 安徽双骏智能科技有限公司 | Electric control clamp based on robot welding and using method thereof |
| CN112091507B (en) * | 2020-08-28 | 2023-09-15 | 安徽双骏智能科技有限公司 | Electric control clamp based on robot welding and application method thereof |
| CN112297107A (en) * | 2020-10-14 | 2021-02-02 | 易晓强 | Rubber and plastic product automatic cutting device with arc blanking plate |
| CN112621264A (en) * | 2020-12-07 | 2021-04-09 | 龚建生 | Portable duplex position anchor clamps for numerically controlled fraise machine |
| CN113830544A (en) * | 2021-08-30 | 2021-12-24 | 山东省冶金设计院股份有限公司 | Billet upset straightener |
| CN113830544B (en) * | 2021-08-30 | 2024-01-16 | 山东省冶金设计院股份有限公司 | Steel billet overturning and straightening device |
| CN113910057A (en) * | 2021-11-09 | 2022-01-11 | 南京农业大学 | A kind of mechanical profile grinding device for mechanical engineering and grinding method thereof |
| CN113909518A (en) * | 2021-11-09 | 2022-01-11 | 湖南寰宇新材料科技股份有限公司 | Automatic drilling device for plate-type furniture production |
| CN113909518B (en) * | 2021-11-09 | 2023-12-22 | 湖南寰宇新材料科技股份有限公司 | Automatic drilling device for plate-type furniture production |
| CN114227563A (en) * | 2021-11-23 | 2022-03-25 | 煤炭科学研究总院 | Rock core centre gripping frock |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 |