CN109676414B - Automatic alignment positioning device - Google Patents
Automatic alignment positioning device Download PDFInfo
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- CN109676414B CN109676414B CN201910084170.5A CN201910084170A CN109676414B CN 109676414 B CN109676414 B CN 109676414B CN 201910084170 A CN201910084170 A CN 201910084170A CN 109676414 B CN109676414 B CN 109676414B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 210000000078 claw Anatomy 0.000 claims description 60
- 230000008093 supporting effect Effects 0.000 claims description 52
- 238000009434 installation Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 16
- 230000033001 locomotion Effects 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides an automatic alignment positioning device, which solves the technical problems of high processing and installation difficulty, low transmission precision, poor stability and poor applicability of the positioning device of the existing hub and revolving body type perforated workpiece; the device comprises a platen, a driving device, a transmission device and a correction device, wherein the transmission device penetrates through the middle of the platen, the lower end of the transmission device is connected with a gear of the driving device, the upper end of the transmission device is connected with one end of the correction device, and the other end of the correction device is used for being in contact with and positioning with the side wall of a workpiece hole; the bottom of the correcting device is connected with the bedplate; the transmission device comprises a gear driving rod and a driving disc sleeved on the gear driving rod, three driving grooves are uniformly distributed on the driving disc, one end of each driving groove is close to the circle center of the driving disc, and the other end of each driving groove is far away from the circle center of the driving disc. The invention is widely applied to the field of positioning devices for workpieces with holes.
Description
Technical Field
The invention relates to a positioning device, in particular to an automatic alignment positioning device for a wheel hub and a revolving body type workpiece with holes.
Background
The positioning of the hub and the revolving body type workpiece basically adopts a mode of positioning a central hole or the inner side wall of the workpiece by a core, but the hole and the inner side wall of the workpiece have certain tolerance. If the tolerance of the hole is phi 100+/-0.05 mm, the maximum size of the positioning core is phi 100-0.05=99.95 mm, and if the hole is phi 100+0.05mm, the maximum unilateral gap between the positioning core and the hole is 0.05mm, so that a certain positioning error is caused, and the accuracy of the sizes of the workpiece drilling and the like is affected. And the fixed core positioning mode is adopted, and the matching clearance between the core and the hole is small, so that the workpiece is inconvenient to detach.
The Chinese patent application with the application number of 201811020629.7 discloses an automatic positioning clamp for processing a hub cover of an automobile, which can automatically position the hub cover when the hub cover is fixed, saves subsequent positioning operation, improves the working efficiency and improves the use reliability; the fixing effect on the hub cover is improved, the edge of the hub cover is not damaged, and the practicability is improved; including workstation, left extension board, right extension board, place the board, regular triangle brace table, three screw thread pipes, three threaded rods, three mounting panel and pivot of group, still including three driven cone pulley of group, three first ball bearing of group, second ball bearing, third ball bearing and initiative cone pulley, three driven cone pulley all meshes with the initiative cone pulley, the one end that regular triangle brace table was kept away from on three mounting panel tops all fixed welding has the arc splint, the concave surface of three arc splint all faces regular triangle brace table to all be provided with the rubber slab on the concave surface of three arc splint of group.
However, this automatic positioning jig still has the following drawbacks:
1. the driving cone pulley and the driven cone pulley are adopted for transmission, in order to ensure the transmission precision, two pitch cone crowns of the driving wheel and the driven wheel are required to coincide, the angles between the axes of the 3 driven cone pulleys and the driving cone pulley shaft line are required to be the same, and the manufacturing precision and the installation difficulty are high;
2. the 1 driving cone pulley drives 3 driven cone pulleys, the load is larger, the 3 driven cone pulleys are arranged on the threaded pipe, one end of the threaded pipe is positioned on the triangular support table by a bearing, the other end of the threaded pipe is connected to the threaded rod by threads, the other end of the threaded rod is hinged to the mounting plate, the threaded pipe and the threaded rod are relatively rotated by threads, and the phenomenon of unstable size positioning is easy to occur;
3. the screw thread drives the mounting plate and the arc clamping plate to move to position the workpiece, the screw thread transmission is large in gap and easy to wear, 3 mounting plates easily move out of synchronization when the screw thread rotates forward and backward, and the positioning is not suitable for accurate positioning;
4. the limiting groove is absent between the mounting plate and the workbench, although automatic positioning can be realized, the movement direction of the mounting plate without the limiting groove is not fixed, and lateral force relative to a thread shaft is easily generated in the movement process of the mounting plate and the arc clamping plate, so that the stability of the clamp is influenced;
5. the arc clamping plate is adopted for positioning, once the arc of the arc clamping plate is determined, the size of the outer diameter circle of the workpiece can be determined, if the workpiece with other diameters is replaced for clamping, the condition that the arc of the arc clamping plate is anastomosed with the arc of the side surface of the workpiece is bad, the positioning precision is seriously affected, and the clamping of the workpieces with various diameters cannot be realized.
Disclosure of Invention
Aiming at the technical problems of high processing and installation difficulty, low transmission precision, poor stability and poor applicability of the existing positioning device for the wheel hubs and the revolving body workpieces, the invention provides the automatic alignment positioning device with low processing and installation difficulty, high transmission precision, good stability and good applicability.
The technical scheme of the invention is that the device comprises a platen, a driving device, a transmission device and a correction device, wherein the transmission device penetrates through the middle part of the platen, the lower end of the transmission device is connected with a gear of the driving device, the upper end of the transmission device is connected with one end of the correction device, and the other end of the correction device is used for being in contact with and positioning with the side wall of a workpiece hole; the bottom of the correcting device is connected with the bedplate;
the transmission device comprises a gear driving rod and a driving disc sleeved on the gear driving rod, three driving grooves are uniformly distributed on the driving disc, one end of each driving groove is close to the circle center of the driving disc, and the other end of each driving groove is far away from the circle center of the driving disc.
Preferably, the correcting device comprises a claw body and a correcting claw base which is connected with the bottom of the claw body in a sliding way; one end of the claw body is provided with a connecting rod upwards, the connecting rod is provided with a small bearing, and the small bearing is in clearance fit with the driving groove; a correction claw is connected above the other end of the claw body.
Preferably, the length direction of the correction claw base is provided with a T-shaped groove, and the bottom of the claw body is provided with a convex block matched with the T-shaped groove.
Preferably, the side of the correcting claw away from the connecting rod is provided with a small arc-shaped surface protruding outwards, and the small arc-shaped surface is used for being in point contact with the side wall of the workpiece hole.
Preferably, the correction devices are three, and are uniformly distributed on the platen centering on the gear driving rod.
Preferably, the bedplate is also connected with three supporting devices which are positioned below the driving disk and are uniformly distributed among the three correcting devices; the top end of the supporting device is provided with a supporting seat ball which can rotate freely, and the highest points of the three supporting seat balls are consistent.
Preferably, the supporting device comprises a supporting seat, a supporting rod, a supporting seat ball and a locking bolt, wherein the supporting rod is arranged in a groove of the supporting seat, and a spring is arranged between the supporting rod and the bottom of the groove; the supporting seat ball can be freely rotatably arranged at the top end of the supporting rod; the locking bolt is arranged on the side wall of the supporting seat and used for locking the supporting rod.
Preferably, the driving groove is an arc-shaped groove.
Preferably, the lower end of the gear driving rod is provided with a gear, the gear driving rod is connected with the driving plate through a connecting plate at the upper end, and a bearing is arranged at the joint of the gear driving rod and the bedplate.
Preferably, the driving device comprises an oil cylinder, an oil cylinder push rod and a straight rack, one end of the oil cylinder push rod is connected with the oil cylinder, and the other end of the oil cylinder push rod is connected with the straight rack.
The invention has the beneficial effects that the clearance error caused by using the core to position can be effectively solved, and the positioning is accurate; the structure is simple, the driving disc is driven to rotate by the gear driving rod, the driving groove pushes the claw body to synchronously move, the machining precision of the driving groove, the small bearing, the correction claw and other parts is easy to ensure, the installation is simple and convenient, and the transmission precision is high; the end surfaces of the three correction claws are arc-shaped, each correction claw is in point contact with the side wall of the workpiece hole, a circle is determined by the three points, and the automatic clamping of the workpiece with any diameter can be realized within the range allowed by the stroke without influencing the positioning precision, so that the applicability is good; because the expansion range of the correcting device is large, the workpiece is convenient to take down after the workpiece is machined; the machining precision and clamping efficiency of the workpiece are improved; the correction claw always moves along the length direction of the T-shaped groove when moving, and the supporting device is arranged below the driving disc, so that the operation stability is good.
Drawings
FIG. 1 is a schematic view of a clamping workpiece according to the present invention;
FIG. 2 is a schematic illustration of an unclamped workpiece of the present invention;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a schematic diagram of the cylinder and rack structure;
FIG. 5 is a schematic view of a gear drive rod configuration;
FIG. 6 is a schematic view of the calibration claw and platen structure;
FIG. 7 is a front view of the correction pawl;
FIG. 8 is a cross-sectional view A-A of FIG. 7;
FIG. 9 is a schematic view of the structure of the support base and the platen;
FIG. 10 is a cross-sectional view of a support base;
fig. 11 is a schematic diagram of the structure of the driving disk.
Description of the symbols in the drawings
1. A drive plate; 2. a small bearing; 3. a claw body; 4. a correction claw base; 5. a platen; 6. a bearing; 7. a support base; 8. a gear driving rod; 9. a straight rack; 10. an oil cylinder push rod; 11. an oil cylinder; 12. a connecting disc; 13. a driving groove; 14. a workpiece hole sidewall; 15. a supporting seat ball; 16. a locking bolt; 17. a workpiece; 18. and (5) correcting the claw.
Detailed Description
The invention is further described below with reference to examples.
As shown in fig. 1-3 and 11, the invention comprises a platen 5, a driving device, a transmission device and a correction device, wherein the transmission device penetrates through the middle part of the platen 5, the lower end of the transmission device is connected with a gear of the driving device, the upper end of the transmission device is connected with one end of the correction device, and the other end of the correction device is used for being in contact with and positioning with the side wall 14 of a workpiece hole; the bottom of the correction device is connected with the bedplate 5.
The transmission device comprises a gear driving rod 8 and a driving disc 1 sleeved on the gear driving rod 8, three driving grooves 13 are uniformly distributed on the driving disc 1, one end of each driving groove 13 is close to the circle center of the driving disc 1, and the other end of each driving groove 13 is far away from the circle center of the driving disc 1; the driving groove 13 is a circular arc groove.
As shown in fig. 5, a gear is arranged at the lower end of the gear driving rod 8, the gear driving rod 8 is connected with the driving plate 1 through a connecting plate 12 at the upper end, and a bearing 6 is arranged at the joint of the gear driving rod 8 and the bedplate 5.
As shown in fig. 6-8, the correcting device comprises a claw body 3 and a correcting claw base 4 which is connected with the bottom of the claw body 3 in a sliding way; one end of the claw body 3 is provided with a connecting rod upwards, and a correction claw 18 is connected above the other end of the claw body 3. Be equipped with little bearing 2 on the connecting rod, little bearing 2 and the high accuracy clearance fit of drive slot 13 make little bearing 2 can be in the accurate steady slip of drive slot 13, realize stability and the accuracy of transmission process, furthest reduces frictional force.
The correcting claw 18 is connected on the claw body 3 through threads, and one side, namely the outermost end surface, of the correcting claw 18, which is far away from the connecting rod is a small arc surface protruding outwards, and the small arc surface is used for being in point contact with the side wall 14 of the workpiece hole.
The distance between the centers of the smaller arcs at the two ends of the driving groove 13 in the arrow vector direction of the drawing 11 is basically equal to the telescopic travel of the claw body 3.
The correction devices are three, and are uniformly distributed on the bedplate 5 by taking the gear driving rod 8 as the center.
The correcting claw base 4 is provided with a T-shaped groove in the length direction, and the bottom of the claw body 3 is provided with a convex block matched with the T-shaped groove.
As shown in fig. 4, the driving device comprises an oil cylinder 11, an oil cylinder push rod 10 and a straight rack 9, one end of the oil cylinder push rod 10 is connected with the oil cylinder 11, and the other end of the oil cylinder push rod 10 is connected with the straight rack 9.
As shown in fig. 9 and 10, three supporting devices are also connected to the platen 5, and the three supporting devices are located below the driving disc 1 and are uniformly distributed among the three correcting devices; the top end of the supporting device is provided with a supporting seat ball 15 which can freely rotate, and the highest points of the three supporting seat balls 15 are consistent and are contacted with the lower end surface of the driving disc 1.
The three supporting seat balls 15 not only can support the driving disc 1, but also can ensure the stability of the driving disc 1 during rotation; but also can generate relative rotation with the driving disk 1, thereby minimizing friction force.
The supporting device comprises a supporting seat 7, a supporting rod, a supporting seat ball 15 and a locking bolt 16, wherein the supporting rod is arranged in a groove of the supporting seat 7, and a spring is arranged between the supporting rod and the bottom of the groove; the supporting seat ball 15 is arranged at the top end of the supporting rod in a free rotation way; a locking bolt 16 is arranged on the side wall of the supporting seat 7 and is used for locking the supporting rod.
When the device is used for the first time, the locking bolt 16 on the side wall of the supporting seat 7 is loosened, the supporting rod moves upwards under the action of the bottom spring, the supporting seat ball 15 automatically contacts the bottom surface of the driving disc 1, at the moment, the supporting rod is locked by the locking bolt 16, and the plane formed by the highest points of the 3 balls and the bottom surface of the driving disc are the same plane, so that the accurate supporting effect is realized.
The working process of the invention comprises the following steps:
the workpiece 17 is first placed on the platen 5, the platen 5 is fixedly positioned and three alignment devices are positioned inside the aperture of the workpiece 17 with the alignment devices spaced from the workpiece aperture sidewall 14 (see fig. 2). The hydraulic switch is pressed down, the oil cylinder push rod 10 of the oil cylinder 10 moves along the arrow direction, the gear driving rod 8 is driven to do rotary motion through the straight rack 9, and the gear driving rod 8 drives the driving disc 1 to rotate through the connecting disc 12. While the driving disk 1 rotates, the driving groove 13 pushes the three claw bodies 3 to do linear motion outwards along the T-shaped groove of the correction claw base 4 by taking the gear driving rod 8 as the center, the claw bodies 3 uniformly expand outwards, the circle formed by the highest points of the three correction claws 18 on the three claw bodies 3 is concentric with the driving disk 1, and the driving disk 1 is also concentric with the driving rod 8. When the three correction claws 18 simultaneously contact the side wall 14 of the workpiece hole, the center of the workpiece 17 automatically coincides with the center of the driving disc 1, and as the oil pressure in the hydraulic oil cylinder 11 continuously exists, the straight rack 9 always has continuous acting force on the whole device, the three correction claws 18 are tightly attached to the side wall 14 of the workpiece hole without gaps, and the matching of the correction claws 18 and the workpiece 17 has a self-locking function. The hydraulic cylinder 11 stops moving, the provided pressure is maintained at a constant value, the interaction force between the three correction claws 18 and the side wall 14 of the workpiece hole is ensured, and the positioning is ensured.
After the workpiece is machined, the hydraulic switch is pressed again, the oil cylinder push rod 10 linearly slides in the opposite direction, the straight rack 9 drives the gear drive rod 8 to reversely rotate, the gear drive rod 8 drives the drive disc 1 to reversely rotate, and finally the three correction claws 18 retract and leave the side wall 14 of the workpiece hole. When the workpiece 17 is removed and replaced with a next workpiece, the workpiece center is automatically positioned as long as the three correction pawls 18 contact the workpiece hole side wall 14 even if the tolerances of the holes are different.
The invention can effectively solve the gap error caused by using the core to position; the applicability is good, and the method is applicable to workpieces with different hole diameters; because the expansion range of the correction device is large, the workpiece 17 is convenient to take down after the workpiece 17 is machined; the machining precision and clamping efficiency of the workpiece 17 are improved. The specific advantages include:
1. the straight rack is adopted for driving, the gear driving rod 8 and the driving disc 1 are used as driven components, the bearing 6 is arranged at the joint of the gear driving rod 8 and the bedplate 5, the driving disc 1 is connected with the correction claw through the small bearing 2, the load in driving is small, the manufacturing cost of the gear driving rod 8 and the straight rack 9 is low, and the installation is simple;
2. the gear driving rod 8 drives the driving disc 1 to rotate, the driving groove 13 pushes the claw body 3 to synchronously move, the machining precision of the parts such as the driving groove 13, the small bearing 2, the correcting claw 18 and the like is easy to ensure, the installation is simple and convenient, and the transmission precision is high;
3. the correcting claw base 4 is fixedly connected with the bedplate 5, the correcting claw base 4 is in sliding connection with the claw body 3 through a T-shaped groove, so that the claw body 3 always moves along the length direction of the T-shaped groove when moving, and the stability of the movement of the device is ensured;
4. the lower end surface of the driving disc 1 is provided with three supporting devices, so that the stability of the rotation process of the driving disc can be well ensured;
5. the end surfaces of the three correction claws 18 are arc-shaped, each correction claw 18 is in point contact with the side wall 14 of the workpiece hole, a circle is defined by three points, the automatic clamping of workpieces with any diameter can be realized within the range allowed by the stroke of the mechanism, the positioning precision is not affected, the foremost parts of the three correction claws 18 are connected to the claw body 3 by screw threads, and the workpiece is easy to replace after being worn.
However, the foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and therefore, equivalent variations and modifications to the invention as defined by the appended claims should be construed to fall within the true scope of the invention.
Claims (1)
1. The automatic alignment positioning device is characterized by comprising a platen, a driving device, a transmission device and a correction device, wherein the transmission device penetrates through the middle of the platen, the lower end of the transmission device is connected with a gear of the driving device, the upper end of the transmission device is connected with one end of the correction device, and the other end of the correction device is used for being in contact with and positioning with the side wall of a workpiece hole; the bottom of the correcting device is connected with the bedplate;
the transmission device comprises a gear driving rod and a driving disc sleeved on the gear driving rod, three driving grooves are uniformly distributed on the driving disc, one end of each driving groove is close to the circle center of the driving disc, and the other end of each driving groove is far away from the circle center of the driving disc;
the correcting device comprises a claw body and a correcting claw base which is connected with the bottom of the claw body in a sliding manner; a connecting rod is arranged at one end of the claw body upwards, a small bearing is arranged on the connecting rod, and the small bearing is in clearance fit with the driving groove; a correction claw is connected above the other end of the claw body;
a T-shaped groove is formed in the length direction of the correction claw base, and a lug matched with the T-shaped groove is arranged at the bottom of the claw body;
a small arc-shaped surface protruding outwards is arranged on one side, away from the connecting rod, of the correcting claw, and the small arc-shaped surface is used for being in point contact with the side wall of the workpiece hole;
the correction devices are three and are uniformly distributed on the bedplate by taking the gear driving rods as the center;
the bedplate is also connected with three supporting devices which are positioned below the driving disk and are uniformly distributed among the three correcting devices; the top end of the supporting device is provided with a supporting seat ball which can freely rotate, and the highest points of the three supporting seat balls are consistent;
the supporting device comprises a supporting seat, a supporting rod, a supporting seat ball and a locking bolt; the support rod is arranged in the groove of the support seat, and a spring is arranged between the support rod and the bottom of the groove; the supporting seat ball can be freely rotatably arranged at the top end of the supporting rod; the locking bolt is arranged on the side wall of the supporting seat and used for locking the supporting rod;
the driving groove is an arc-shaped groove;
the lower end of the gear driving rod is provided with a gear, the gear driving rod is connected with the driving plate through a connecting plate at the upper end, and a bearing is arranged at the joint of the gear driving rod and the bedplate;
the driving device comprises an oil cylinder, an oil cylinder push rod and a straight toothed bar, one end of the oil cylinder push rod is connected with the oil cylinder, and the other end of the oil cylinder push rod is connected with the straight toothed bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910084170.5A CN109676414B (en) | 2019-01-29 | 2019-01-29 | Automatic alignment positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910084170.5A CN109676414B (en) | 2019-01-29 | 2019-01-29 | Automatic alignment positioning device |
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| CN109676414A CN109676414A (en) | 2019-04-26 |
| CN109676414B true CN109676414B (en) | 2023-09-19 |
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| CN201910084170.5A Active CN109676414B (en) | 2019-01-29 | 2019-01-29 | Automatic alignment positioning device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977554A (en) * | 2019-12-20 | 2020-04-10 | 天津大学 | An automatic centering and clamping processing tool for rotary workpieces |
| CN114310369B (en) * | 2020-09-29 | 2023-09-29 | 宝武装备智能科技有限公司 | Pin hole single-matching processing method using tooth sleeve alignment positioning device |
| CN113664616B (en) * | 2021-07-16 | 2022-09-09 | 安庆中船动力配套有限公司 | Automatic alignment and detection system based on diesel engine cylinder cover processing machine tool |
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| JP2007307633A (en) * | 2006-05-16 | 2007-11-29 | Honda Motor Co Ltd | Clamping device |
| CN103817553A (en) * | 2014-03-11 | 2014-05-28 | 甘木林 | Workpiece automatic clamping device |
| CN204123143U (en) * | 2014-07-04 | 2015-01-28 | 福建成功机床有限公司 | A kind of vertical lathe Workpiece clamping device |
| CN107088755A (en) * | 2017-05-11 | 2017-08-25 | 襄阳长源东谷实业股份有限公司 | Fixture in one kind point food tray self-centering point |
| CN108772736A (en) * | 2018-09-03 | 2018-11-09 | 太仓盖兹汽车零部件有限公司 | A kind of automobile hub cover processing automatic positioning clamp |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209453191U (en) * | 2019-01-29 | 2019-10-01 | 威海万丰镁业科技发展有限公司 | A kind of automatic capturing positioning device |
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2019
- 2019-01-29 CN CN201910084170.5A patent/CN109676414B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW535685U (en) * | 2002-06-28 | 2003-06-01 | Jin-Shuen Huang | Automatic clamping mechanism for rim trimming machine of wheel rim on a bicycle |
| JP2006095613A (en) * | 2004-09-28 | 2006-04-13 | Sanko:Kk | Clamping device |
| JP2007307633A (en) * | 2006-05-16 | 2007-11-29 | Honda Motor Co Ltd | Clamping device |
| CN103817553A (en) * | 2014-03-11 | 2014-05-28 | 甘木林 | Workpiece automatic clamping device |
| CN204123143U (en) * | 2014-07-04 | 2015-01-28 | 福建成功机床有限公司 | A kind of vertical lathe Workpiece clamping device |
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