CN110340818B - Multi-gang combined vice based on cylindrical surface characteristics of workpiece - Google Patents
Multi-gang combined vice based on cylindrical surface characteristics of workpiece Download PDFInfo
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- CN110340818B CN110340818B CN201910612850.XA CN201910612850A CN110340818B CN 110340818 B CN110340818 B CN 110340818B CN 201910612850 A CN201910612850 A CN 201910612850A CN 110340818 B CN110340818 B CN 110340818B
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- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 210000003734 kidney Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B1/00—Vices
- B25B1/02—Vices with sliding jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B1/00—Vices
- B25B1/06—Arrangements for positively actuating jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B1/00—Vices
- B25B1/20—Vices for clamping work of special profile, e.g. pipes
- B25B1/205—Vices of the chain or strip type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a multi-gang combined vice based on cylindrical surface characteristics of workpieces, which comprises a base, a fixed inlay and a movable inlay, wherein the base is cylindrical with an opening at one end, and a plurality of sliding grooves are uniformly distributed on the bottom surface of the base along the radial direction; the fixed inlay is fixed on the bottom surface and positioned at one end of the sliding groove, a first inner arc surface is arranged on the fixed inlay, a first V-shaped surface is arranged on the first inner arc surface, and openings of the first inner arc surface and the first V-shaped surface face the center of the base; the movable inlay is in sliding connection with the sliding groove, the movable inlay is arc-shaped, the movable inlay comprises a second inner arc surface and a second outer arc surface concentric with the second inner arc surface, a second V-shaped surface is arranged on the second outer arc surface, and the opening direction of the second V-shaped surface is opposite to the opening direction of the first V-shaped surface; according to the invention, the plurality of arc movable inlays simultaneously move inwards or outwards, so that the outer circle clamping and the inner hole positioning clamping of the workpiece with the cylindrical surface characteristics can be realized, and a plurality of workpieces with the cylindrical surface characteristics can be simultaneously clamped.
Description
Technical Field
The invention relates to the technical field of workpiece clamps, in particular to a multi-gang combined vice based on cylindrical surface characteristics of workpieces.
Background
Bench vices, which are commonly used as universal clamps, are placed on a work table for clamping a workpiece for subsequent related machining or assembly operations. However, the existing bench vice mainly adopts parallel jaws, and when clamping a workpiece with cylindrical surface characteristics, the workpiece is inconvenient to install and clamp due to frequent rolling, and the working efficiency is low. The Chinese patent 201811335494.3 discloses a multifunctional vice for cylindrical bobbins, which adopts a rotatable top frame, a spring and a push rod structure, and a plurality of cylindrical bobbins with different diameters can be installed in one clamping, but the clamping stability is easily affected due to the change of the stress of the spring, so the multifunctional vice is not suitable for clamping occasions of mechanical processing. In addition, conventional bench vices also do not have the clamping function of "hole positioning".
Disclosure of Invention
The invention aims to provide a multi-gang combined vice based on cylindrical characteristics of workpieces, which solves the problems that in the prior art, the vice is inconvenient to mount cylindrical parts and has low mounting and clamping efficiency, and hole positioning is difficult to adopt in the mounting and clamping process.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
The multi-connection combined vice based on the cylindrical surface characteristics of the workpieces comprises a base, a movable inlay and a fixed inlay, wherein the base is cylindrical with one end open, and a plurality of sliding grooves are uniformly distributed on the bottom surface of the base along the radial direction; the fixed inlay is fixed on the bottom surface and is positioned at one end of the sliding groove, a first inner arc surface is arranged on the fixed inlay, a first V-shaped surface is arranged on the first inner arc surface, and openings of the first inner arc surface and the first V-shaped surface face towards the center of the base; the movable inlay is in sliding connection with the sliding groove, the movable inlay is arc-shaped, the movable inlay comprises a second inner arc surface and a second outer arc surface concentric with the second inner arc surface, a second V-shaped surface is arranged on the second outer arc surface, and the opening direction of the second V-shaped surface is opposite to the opening direction of the first V-shaped surface.
Further, the sliding groove comprises a middle rectangular through hole and strip-shaped grooves symmetrically arranged on the upper side and the lower side of the rectangular through hole; and the rectangular through hole is connected with a combined sliding block in a sliding manner.
Further, the novel sliding chute comprises a rotary table, wherein a plurality of waist-shaped grooves are formed in the rotary table, and the number of the waist-shaped grooves is the same as that of the sliding grooves; the top end of the combined sliding block is fixedly connected with the movable inlay, the bottom end of the combined sliding block is slidably connected in the kidney-shaped groove, and the rotary table is rotated to drive the combined sliding block to slide.
Further, an extension shaft is arranged at the center of the turntable, and a worm wheel is arranged on the extension shaft; the worm wheel is meshed with a driving worm.
Further, the novel water heater further comprises a bottom plate, the bottom plate is connected to the opening end of the base, a central through hole is formed in the bottom plate, and the extension shaft is rotatably connected in the central through hole.
Further, the driving worm comprises a worm, a lengthening rod and a driving part, one end of the lengthening rod is connected with the worm, and the other end of the lengthening rod can rotate to penetrate through a round hole in the base to be connected with the driving part.
Further, the first V-shaped surface on the fixed inlay is the same as the second V-shaped surface on the movable inlay in structural dimension.
Further, the number of the sliding grooves is six.
Further, the number of the sliding grooves is two and/or three.
Further, two symmetrical U-shaped fixing interfaces are fixed on the side face of the base.
The invention has the advantages that:
1. the outer circle clamping and the inner hole positioning clamping of the workpiece with cylindrical surface characteristics can be realized by simultaneously moving a plurality of arc movable inlays inwards or outwards, so that the mounting and clamping mode of the vice is expanded;
2. The plurality of arc movable inlays and the corresponding arc fixed inlays form a plurality of arc vice, so that the outer circles of a plurality of workpieces with cylindrical surface characteristics can be clamped at the same time, and the installation and clamping efficiency of the vice is improved;
3. the radial movement of the combined sliding block is realized by adopting a plurality of waist-shaped grooves uniformly distributed in the circumferential direction, so that the complexity of adopting bevel gear transmission or end-face spiral transmission is avoided, and the processing difficulty of a vice is reduced;
4. by adjusting the number of the arc movable inlays and the arc fixed inlays, the linkage vices with different numbers can be quickly assembled;
5. By utilizing worm and worm wheel transmission, not only can larger clamping force be obtained, but also a certain locking function can be obtained.
Drawings
FIG. 1 is a schematic view of the overall structure of a multi-gang combined vice according to an embodiment of the present invention;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is a schematic view of a base in an embodiment of the present invention;
FIG. 4 is a schematic view of a stator inlay according to an embodiment of the present invention;
FIG. 5 is a schematic view of the structure of the movable inlay according to the embodiment of the present invention;
FIG. 6 is a schematic view of a turntable according to an embodiment of the present invention;
FIG. 7 is a front view of FIG. 6;
FIG. 8 is a schematic view of a combined slider according to an embodiment of the present invention;
FIG. 9 is a schematic view of a structure of a driving worm in an embodiment of the present invention;
FIG. 10 is a schematic view of the structure of a base plate according to an embodiment of the present invention;
FIG. 11 is a schematic view showing a first working state of the multi-gang combined vice according to the embodiment of the present invention;
FIG. 12 is a schematic view showing a second working state of the multi-gang combined vice according to the embodiment of the present invention;
FIG. 13 is a schematic view showing a third working state of the multi-gang combined vice according to the embodiment of the present invention;
FIG. 14 is a schematic view showing a structure of a second state of the multi-gang vise according to the embodiment of the present invention;
fig. 15 is a schematic structural view of a third state of the multi-gang combined vice according to the embodiment of the present invention.
Wherein: 1. a base; 1-1, fixing an interface; 1-2, rectangular through holes; 1-3, a strip-shaped groove; 1-4, round holes; 2. inlay fixing; 2-1, a first inner arc surface; 2-2, a first V-shaped surface; 2-3, a first outer arc surface; 2-4, a first mounting hole; 3. a combined sliding block; 3-1, rectangular sliding blocks; 3-2, a supporting shaft; 3-3, sliding shafts; 4. a movable inlay; 4-1, a second inner arc surface; 4-2, a second V-shaped surface; 4-3, a second outer arc surface; 5. a turntable; 5-1, a kidney-shaped groove; 5-2, extending the shaft; 6. driving a worm; 6-1, a worm; 6-2, lengthening the rod; 6-3, a driving part; 7. a second bearing; 8. a second bearing end cap; 9. a bottom plate; 9-1, a central through hole; 9-2 lightening holes; 10. a worm wheel; 11. a first bearing; 12-1, type I workpieces; 12-2, II-type work pieces; 12-3, III type workpiece.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
It should be noted that, in the description of the present invention, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. The terms "front", "back", "left", "right", "upper", "lower" as used in the description of the present invention refer to directions in the drawings, and the terms "inner", "outer" refer to directions toward or away from the geometric center of a particular component, respectively.
As shown in fig. 1, fig. 4 and fig. 5, the multi-gang combined vice based on the cylindrical surface characteristics of a workpiece comprises a base 1, a fixed inlay 2 and a movable inlay 4, wherein the base 1 is in a cylindrical shape with one end open, and a plurality of sliding grooves are uniformly distributed on the bottom surface of the base 1 along the radial direction; the fixed inlay 2 is fixed on the bottom surface and is positioned at one end of the chute, a first inner arc surface 2-1 is arranged on the fixed inlay 2, a first V-shaped surface 2-2 is arranged on the first inner arc surface 2-1, and openings of the first inner arc surface 2-1 and the first V-shaped surface 2-2 face towards the center of the base 1; the movable inlay 4 is in sliding connection with the sliding groove, the shape of the movable inlay 4 is arc-shaped, the movable inlay 4 comprises a second inner arc surface 4-1 and a second outer arc surface 4-3 concentric with the second inner arc surface 4-1, a second V-shaped surface 4-2 is arranged on the second outer arc surface 4-3, and the opening of the second V-shaped surface 4-2 faces to the opening of the first V-shaped surface 2-2; the movable inlay 4 slides in the chute, and is far away from or close to the fixed inlay 2 to clamp the workpiece.
The present invention realizes clamping of a workpiece (I-shaped workpiece 12-1) having a cylindrical outer surface by moving the inlay 4 simultaneously toward the center of the base 1, as shown in fig. 11. By simultaneously moving the movable inlay 4 outwards, clamping of a workpiece (type II workpiece 12-2) whose inner surface is cylindrical can be achieved, as shown in fig. 12. The device can realize the outer circle clamping and the inner hole positioning clamping simultaneously, and expands the mounting and clamping mode of the vice. As shown in fig. 13, the movable inlay 4 and the corresponding fixed inlay 2 form an arc vice, so that the outer circles of a plurality of workpieces (type III workpieces 12-3) with cylindrical surface characteristics can be clamped at the same time, and the installation and clamping efficiency of the vice is improved.
As shown in fig. 1 and 2, a multi-joint combined vice for cylindrical workpieces comprises an inverted cylindrical base 1, wherein two symmetrical U-shaped quick fixing interfaces 1-1 are arranged at the lower edge of a barrel opening of the multi-joint combined vice, six equal parts of rectangular through holes 1-2 are formed in the bottom surface of the barrel in the radial direction, strip-shaped grooves 1-3 are formed in the upper side and the lower side of each rectangular through hole 1-2, a combined sliding block 3 capable of sliding along the radial direction of the base 1 is arranged in each rectangular through hole 1-2, and an arc-shaped fixed inlay 2 is arranged at the top end of the outer side of each strip-shaped groove 1-3 at intervals, as shown in fig. 3.
As shown in FIG. 8, the combined sliding block 3 is composed of a rectangular sliding block 3-1, supporting shafts 3-2 and sliding shafts 3-3 which are arranged on the end faces of two sides of the rectangular sliding block 3-1, the other end of the supporting shaft 3-2 is fixedly connected with an arc-shaped movable inlay 4, and the sliding shafts 3-3 are slidably connected with the waist-shaped groove 5-1 on the turntable 5.
As shown in fig. 4, an arc-shaped fixed inlay 2 is mounted in the radial direction of the upper end surface of a base 1 through a first mounting hole 2-4, a first inner arc surface 2-1 and a first outer arc surface 2-3 concentric with the first inner arc surface 2-1 are arranged on the arc-shaped fixed inlay 2, a first V-shaped surface 2-2 is arranged on the first inner arc surface 2-1, and an opening of the first V-shaped surface 2-2 faces the center of the base 1; as shown in fig. 5, the arc-shaped movable inlay 4 is connected with the support shaft 3-2 through the second mounting hole 4-4, the arc-shaped movable inlay 4 is provided with a second inner arc surface 4-1 and a second outer arc surface 4-3 concentric with the second inner arc surface 4-1, the second outer arc surface 4-3 is provided with a second V-shaped surface 4-2, and an opening of the second V-shaped surface 4-2 is away from the center of the base 1 and is opposite to an opening of the first V-shaped surface 2-2; the first V-shaped surface 2-2 on the arc-shaped fixed inlay 2 and the second V-shaped surface 4-2 on the arc-shaped movable inlay 4 have the same structural size, so that good clamping effect is ensured when the fixed inlay 2 and the movable inlay 4 clamp the III-shaped workpiece 12-3.
As shown in fig. 6, six equal parts of kidney grooves 5-1 are uniformly distributed on the turntable 5 along the circumferential direction, one end of each kidney groove 5-1 is located on a circle with a diameter of 1, the other end of each kidney groove is located on a circle with a diameter of 2, and the difference between the diameter of 1 and the diameter of 2 is the radial travel of the combined sliding block 3, as shown in fig. 7. The diameters 1 and 2 in the present invention do not mean the diameter 1 and the diameter 2.
The center of one side end face of the turntable 5 is also provided with an extension shaft 5-2; the worm wheel 10 is arranged on the extension shaft 5-2, and the tail end of the extension shaft 5-2 is connected with the bottom plate 9 through the first bearing 11 and the first bearing end cover 12; a central through hole 9-1 for installing a first bearing end cover 12 is arranged in the center of a bottom plate 9 connected with the edge of a barrel opening of the base 1, and weight reducing holes 9-2 are respectively formed on two sides of the central through hole 9-1 along the installation direction perpendicular to the driving worm 6, as shown in fig. 10; the two ends of a worm wheel 10 meshed and connected with a driving worm 6 are sequentially connected with a bottom plate 9 through a second bearing 7 and a second bearing end cover 8, the worm wheel comprises a worm 6-1, a lengthening rod 6-2 and a driving part 6-3, the installation direction of the driving worm 6 is perpendicular to the connecting line direction of two U-shaped quick fixing interfaces 1-1, one end of the lengthening rod 6-2 is connected with the worm 6-1, and the other end of the lengthening rod can rotatably penetrate through a round hole 1-4 on a base 1 to be connected with the driving part 6-3, as shown in fig. 9.
In addition, when the multi-linkage combined vice is based on the size of the clamped part, the combined vice with required linkage can be formed by adopting different numbers of arc fixed inlays 2 and arc movable inlays 4, the combined vice with two linkage shown in fig. 14, and the combined vice with three linkage shown in fig. 15.
The working principle of the multi-gang combined vice based on the cylindrical surface characteristics of the workpiece is as follows:
The first clamping method comprises the following steps: the base 1 is connected with other support work tables through a U-shaped quick fixing interface 1-1, a manual or driving device rotates to drive a worm 6, and a plurality of arc-shaped movable inlays 4 are driven to move inwards or outwards together through a worm wheel 10, a rotary table 5 and a combined sliding block 3; when the plurality of arc-shaped movable inlays 4 move inwards, the second inner arc surfaces 4-1 of the plurality of arc-shaped movable inlays 4 can clamp the I-shaped workpiece 12-1 simultaneously, as shown in fig. 11; when the plurality of arcuate movable inlays 4 are moved outwardly, the "hole positioning manner" can be adopted by the second outer arcuate surfaces 4-3 of the plurality of arcuate movable inlays 4 while simultaneously clamping the type II workpiece 12-2, as shown in fig. 12.
The second clamping method comprises the following steps: the base 1 is connected with other supporting work tables through a U-shaped quick fixing interface 1-1, a manual or driving device rotates and drives a worm 6, and a plurality of arc-shaped movable inlays 4 are driven to move outwards together through a worm wheel 10, a rotary table 5 and a combined sliding block 3, so that the dry arc-shaped movable inlays 4 and the adjacent arc-shaped fixed inlays 2 form a plurality of linked vices, meanwhile, III-shaped workpieces 12-3 distributed in a scattered mode are clamped, and the III-shaped workpieces 12-3 are conveniently machined or assembled, as shown in fig. 13.
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for defining the components, and are merely for convenience in distinguishing the components, and the terms are not meant to have any special meaning unless otherwise stated, so that the scope of the present invention is not to be construed as being limited.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Claims (5)
1. A multi-gang combined vice based on cylindrical features of a workpiece, comprising:
The base (1) is cylindrical, one end of the base is open, and a plurality of sliding grooves are uniformly distributed on the bottom surface of the base (1) along the radial direction;
the fixed inlay (2) is fixed on the bottom surface and is positioned at one end of the sliding groove, a first inner arc surface (2-1) is arranged on the fixed inlay (2), a first V-shaped surface (2-2) is arranged on the first inner arc surface (2-1), and openings of the first inner arc surface (2-1) and the first V-shaped surface (2-2) face towards the center of the base (1);
The movable inlay (4), the movable inlay (4) is in sliding connection with the sliding groove, the movable inlay (4) is arc-shaped, the movable inlay (4) comprises a second inner arc surface (4-1) and a second outer arc surface (4-3) concentric with the second inner arc surface (4-1), a second V-shaped surface (4-2) is arranged on the second outer arc surface (4-3), and the opening of the second V-shaped surface (4-2) faces to the opening of the first V-shaped surface (2-2);
The sliding chute comprises a middle rectangular through hole (1-2) and strip-shaped grooves (1-3) symmetrically arranged on the upper side and the lower side of the rectangular through hole (1-2);
the rectangular through hole (1-2) is connected with a combined sliding block (3) in a sliding way;
The novel sliding chute comprises a sliding chute, and is characterized by further comprising a rotary table (5), wherein a plurality of waist-shaped grooves (5-1) are formed in the rotary table (5), and the number of the waist-shaped grooves (5-1) is the same as that of the sliding chute;
The top end of the combined sliding block (3) is fixedly connected with the movable inlay (4), the bottom end of the combined sliding block is slidably connected in the kidney-shaped groove (5-1), and the rotary table (5) is rotated to drive the combined sliding block (3) to slide;
the center of the turntable is provided with an extension shaft (5-2), and a worm wheel (10) is arranged on the extension shaft (5-2); the worm wheel (10) is meshed with a driving worm (6);
the novel multifunctional portable electric power tool is characterized by further comprising a bottom plate (9), wherein the bottom plate (9) is connected to the opening end of the base (1), a central through hole (9-1) is formed in the bottom plate (9), and the extension shaft (5-2) is rotatably connected in the central through hole (9-1);
The driving worm (6) comprises a worm (6-1), an extension rod (6-2) and a driving part (6-3), one end of the extension rod (6-2) is connected with the worm (6-1), and the other end of the extension rod can rotate to penetrate through a round hole (1-4) in the base (1) to be connected with the driving part (6-3).
2. The multi-gang combined vice based on cylindrical features of workpieces according to claim 1, characterized in that the first V-shaped surface (2-2) on the fixed inlay (2) is structurally the same size as the second V-shaped surface (4-2) on the movable inlay (4).
3. The workpiece cylindrical feature-based multi-gang combined vice of claim 1, wherein the number of runners is six.
4. The workpiece cylindrical feature-based multi-gang vise of claim 1, wherein the number of runners is two and/or three.
5. The multi-gang combined vice based on the cylindrical characteristics of the workpieces according to claim 1, wherein two symmetrical U-shaped fixing interfaces (1-1) are fixed on the side surface of the base (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910612850.XA CN110340818B (en) | 2019-07-09 | 2019-07-09 | Multi-gang combined vice based on cylindrical surface characteristics of workpiece |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910612850.XA CN110340818B (en) | 2019-07-09 | 2019-07-09 | Multi-gang combined vice based on cylindrical surface characteristics of workpiece |
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| CN110340818A CN110340818A (en) | 2019-10-18 |
| CN110340818B true CN110340818B (en) | 2024-06-28 |
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| CN201910612850.XA Active CN110340818B (en) | 2019-07-09 | 2019-07-09 | Multi-gang combined vice based on cylindrical surface characteristics of workpiece |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110842238A (en) * | 2019-11-22 | 2020-02-28 | 南京信息职业技术学院 | Multi-cylinder synchronous centering clamping device |
| CN110900476A (en) * | 2019-11-22 | 2020-03-24 | 南京信息职业技术学院 | Synchronous centering clamping device for multi-cylinder parts with equal diameters |
| CN111660111A (en) * | 2020-06-10 | 2020-09-15 | 杭州创融汇科技服务有限公司 | Full-automatic production equipment for ratchet wrench head |
| CN113001401A (en) * | 2021-02-25 | 2021-06-22 | 东莞市瑞元通粉末冶金科技有限公司 | Ceramic support needle polishing clamp |
| CN113601209B (en) * | 2021-07-23 | 2022-11-01 | 保定向阳航空精密机械有限公司 | Multi-station rotating disc type precise flat tongs |
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| CN210476642U (en) * | 2019-07-09 | 2020-05-08 | 南京信息职业技术学院 | Multi-connection combined vice based on workpiece cylindrical surface characteristics |
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| CN101138839A (en) * | 2006-09-05 | 2008-03-12 | 刘慧� | High-precision round-mouth vice |
| CN103394722B (en) * | 2013-07-29 | 2016-03-02 | 华南理工大学 | A kind of flexible four-jaw chuck |
| US10384331B2 (en) * | 2015-07-01 | 2019-08-20 | Te-Co Manufacturing Llc | Vise with axial adjustment and modular jaws |
| CN108466184A (en) * | 2017-02-05 | 2018-08-31 | 六安永贞匠道机电科技有限公司 | Convenient for the bench vice of the multimode clamping of pincers worker operation |
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| CN210476642U (en) * | 2019-07-09 | 2020-05-08 | 南京信息职业技术学院 | Multi-connection combined vice based on workpiece cylindrical surface characteristics |
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