CN111958514A - Zero point positioning device - Google Patents
Zero point positioning device Download PDFInfo
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- CN111958514A CN111958514A CN202010666569.7A CN202010666569A CN111958514A CN 111958514 A CN111958514 A CN 111958514A CN 202010666569 A CN202010666569 A CN 202010666569A CN 111958514 A CN111958514 A CN 111958514A
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- positioning
- piston
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- annular
- zero point
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- 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
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- 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
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to the technical field of machining and positioning, in particular to a zero point positioning device which comprises a positioning seat, a positioning piece and a positioning piece, wherein the positioning seat is provided with an inner cavity and a positioning hole which is communicated with the inner cavity and is used for positioning a workpiece; the piston assembly is arranged in the inner cavity and used for locking a workpiece, and a first piston cavity and a second piston cavity which are not communicated with each other are formed between the piston assembly and the inner wall of the inner cavity; the first end of the elastic piece is abutted with the piston, and the second end far away from the first end is abutted with the inner wall of the inner cavity; the piston assembly can slide along the axial direction of the positioning hole, and the elastic piece is arranged in the first piston cavity or the second piston cavity to push the piston assembly to move towards the direction of the locking workpiece. On one hand, the locking or unlocking of the workpiece by the piston assembly is realized by changing the pressure of the first piston cavity and the second piston cavity; on the other hand, set up the elastic component, through the locking work piece under the elastic force effect of elastic component, avoid appearing the safety problem that the work piece drops in the course of working, and help reduction in production cost.
Description
Technical Field
The invention relates to the technical field of machining and positioning, in particular to a zero point positioning device.
Background
In the field of machine manufacturing, measuring, machine tools, machine automation lines, benchmarking is a very widely used concept. The concept of a datum is used for marking the dimensions of a part in the design of a mechanical product, positioning a workpiece in the manufacturing process, measuring the dimensions in the verification process, determining the assembly position of a part in the assembly process, and determining the position of the part in the working process of a machine. In the mechanical industry, the reference is generally referred to as the zero or null point.
The zero point positioning system is a unique positioning and locking device, can keep a workpiece from one station to another station, from one process to another process, or from one machine tool to another machine tool, and the zero point is always kept unchanged, so that the auxiliary time for re-aligning the zero point can be saved, the continuity of work is ensured, the work efficiency is improved, and the processing precision is greatly improved.
In the prior art, a workpiece is clamped by a clamp adopting aerodynamic force generally, but the aerodynamic force is easy to break down, if the workpiece is in the machining process, the workpiece loses the clamping force and is easy to fly out to cause safety accidents, and the aerodynamic force is clamped in the machining process of the workpiece and needs to continuously output stable air pressure, so that the production cost is increased.
Disclosure of Invention
The invention aims to provide a zero point positioning device which can improve the safety of a workpiece machining process and reduce production consumption.
In order to achieve the above object, the present invention provides a zero point positioning device including:
the positioning seat is provided with an inner cavity and a positioning hole which is communicated with the inner cavity and used for positioning a workpiece;
the piston assembly is arranged in the inner cavity and used for locking a workpiece, and a first piston cavity and a second piston cavity which are not communicated with each other are formed between the piston assembly and the inner wall of the inner cavity;
the first end of the elastic piece is abutted with the piston, and the second end far away from the first end is abutted with the inner wall of the inner cavity;
the piston assembly can slide along the axial direction of the positioning hole, and the elastic piece is arranged in the first piston cavity or the second piston cavity to push the piston assembly to move towards the direction of locking the workpiece.
Optionally, a first positioning conical surface is formed on the inner side wall of the upper end of the positioning hole.
Optionally, the positioning seat is provided with a positioning groove, and a second positioning conical surface is formed on an inner side wall of the positioning groove.
Optionally, the periphery side of the lower end of the positioning hole is provided with an annular inner side wall and an annular outer side wall sleeved on the outer side of the annular inner side wall, a plurality of through holes are formed in the annular inner side wall, a limiting part is contained in each through hole, a protrusion is arranged on one side face of the annular outer side wall facing the annular inner side wall, a guide conical surface is arranged on each protrusion, and the piston assembly comprises the annular inner side wall or the annular outer side wall.
Optionally, the piston assembly includes a piston body, the piston body is provided with the annular inner side wall, the annular outer side wall is connected to the lower end face of the positioning hole, and the annular inner side wall, the annular outer side wall and the positioning hole are coaxially arranged.
Optionally, an annular groove is formed between the annular outer side wall and the inner side wall of the inner cavity, the first piston cavity is formed between the piston body and the annular groove, and the elastic member is disposed in the first piston cavity.
Optionally, the bottom of the annular groove is provided with a first limiting hole, the piston body is provided with a second limiting hole, and two ends of the elastic member respectively abut against the first limiting hole and the second limiting hole.
Optionally, the positioning seat includes a body and a cover, the cover is disposed on the body to form the inner cavity, and a second piston cavity is formed between a side of the cover facing the body and the piston body.
Optionally, the positioning and tensioning device further comprises a positioning and tensioning piece, an upper positioning conical surface used for being matched with the first positioning conical surface is arranged on the peripheral wall of the upper end of the positioning and tensioning piece, a lower positioning conical surface is arranged on the peripheral wall of the lower end of the positioning and tensioning piece, and the lower positioning conical surface inclines inwards from bottom to top and along the radial outer side of the positioning hole.
Optionally, the positioning device further comprises a positioning taper pin, and the positioning taper pin is provided with a third positioning taper surface used for being matched with the second positioning taper surface.
The embodiment of the invention has the following technical effects:
on one hand, the invention is provided with a first piston cavity and a second piston cavity, and the pressure of the first piston cavity and the second piston cavity is changed to push the piston assembly to slide along the axial direction of the positioning hole, so that the relative position of the piston assembly and a workpiece penetrating into the inner cavity from the positioning hole is changed, and the workpiece is locked or unlocked by the piston assembly; on the other hand sets up the elastic component, promotes piston assembly through the elastic component and removes to the direction of locking the work piece to when first piston chamber or second piston chamber lack aerodynamic force, still can guarantee piston assembly locking work piece under the spring action of elastic component, avoid appearing the safety problem that the work piece drops in the course of working, simultaneously, can realize pressing from both sides tightly of work piece with the aerodynamic force cooperation, reduce pneumatic equipment's consumption.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic partial structure diagram of a preferred embodiment of the present invention;
FIG. 3 is a cross-sectional view of a preferred embodiment of the present invention;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
fig. 5 is a schematic structural view of the connecting portion and the annular inner side wall in the preferred embodiment of the present invention.
Description of reference numerals:
1. the positioning seat 11, the positioning hole 12, the first positioning conical surface 13, the positioning groove 14, the second positioning conical surface 15, the first limiting hole 16, the machine body 17 and the sealing cover;
21. the piston comprises a piston body 211, a piston part 212, a connecting part 22, a first piston cavity 23, a second piston cavity 24 and a second limiting hole;
3. an elastic member;
4. annular inner side wall 41, through hole;
5. annular outer side wall 51, bulge 52 and guide conical surface;
6. a limiting member;
7. a positioning tension piece 71, an upper positioning conical surface 72 and a lower positioning conical surface;
8. and positioning the taper pin.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In addition, the terms "first", "second", and the like are employed in the present invention to describe various information, but the information should not be limited to these terms, which are used only to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
Referring to fig. 1 to 5, an embodiment of the present invention provides a zero point positioning device including:
the positioning seat 1 is provided with an inner cavity and a positioning hole 11 which is communicated with the inner cavity and used for positioning a workpiece;
the piston assembly is arranged in the inner cavity and used for locking a workpiece, and a first piston cavity 22 and a second piston cavity 23 which are not communicated with each other are formed between the piston assembly and the inner wall of the inner cavity;
the first end of the elastic piece 3 is abutted with the piston, and the second end far away from the first end is abutted with the inner wall of the inner cavity;
wherein, the piston assembly can slide along the axial direction of the positioning hole 11, and the elastic element 3 is arranged in the first piston cavity 22 or the second piston cavity 23 to push the piston assembly to move towards the direction of locking the workpiece.
On one hand, the invention is provided with a first piston cavity 22 and a second piston cavity 23, and the pressure of the first piston cavity 22 and the second piston cavity 23 is changed to push the piston assembly to slide along the axial direction of the positioning hole 11, so that the relative position of the piston assembly and a workpiece penetrating into the inner cavity from the positioning hole 11 is changed, and the workpiece is locked or unlocked by the piston assembly; on the other hand, set up elastic component 3, promote piston assembly through elastic component 3 and remove to the direction of locking the work piece to when first piston chamber 22 or second piston chamber 23 lack aerodynamic force, still can guarantee piston assembly locking work piece under elastic force of elastic component 3, avoid appearing the safety problem that the work piece drops in the course of working, simultaneously, can realize pressing from both sides tightly of work piece with the aerodynamic force cooperation, reduce pneumatic means's consumption.
Referring to fig. 2 and 3, wherein the inner sidewall of the upper end of the positioning hole 11 in this embodiment is formed with a first positioning conical surface 12, specifically, the embodiment further includes a positioning tension member 7, the outer peripheral wall of the upper end of the positioning tension member 7 is provided with an upper positioning conical surface 71, the positioning tension member 7 is placed from the positioning hole 11, and the position of the positioning tension member 7 is limited by the first positioning conical surface 12 and the upper positioning conical surface 71 being attached to each other, it can be understood that, when the fixture for workpiece installation is fixedly connected to the positioning tension member 7 and is installed on the positioning seat 1 through the positioning tension member 7, the workpiece can be positioned by the cooperation of the first positioning conical surface 12 and the upper positioning conical surface 71, so as to save time for re-centering the zero point, ensure continuity of work, improve work efficiency, and improve precision of workpiece processing.
In order to further improve the precision of workpiece positioning and application to different workpiece clamps, referring to fig. 1-4, firstly, the workpiece clamp is positioned in the axial and radial directions of the zero point positioning device by the first positioning conical surface 12 and the workpiece clamp connected with the positioning tension member 7; secondly, positioning groove 13 has been seted up to positioning seat 1 of this embodiment, the inside wall of positioning groove 13 is formed with second location conical surface 14, and in order to with the 14 adaptations of second location conical surface, the positioner at zero point of this embodiment still includes location taper pin 8, location taper pin 8 is equipped with the third location conical surface, when work piece holder used, work piece holder realized the work piece in the axial of positioner at zero point and radial direction's location through the taut piece 7 in location to further with location taper pin 8 cooperation, realize work piece holder's location in the circumferential direction, in order to obtain high accuracy, high stability, and get and put convenient work piece production and processing conditions.
Specifically, in this embodiment, an annular inner sidewall 4 and an annular outer sidewall 5 sleeved on the outer side of the annular inner sidewall 4 are disposed on the outer peripheral side of the lower end of the positioning hole 11, a plurality of through holes 41 are disposed on the annular inner sidewall 4, a stopper 6 is received in each through hole 41, a protrusion 51 is disposed on a side surface of the annular outer sidewall 5 facing the annular inner sidewall 4, the piston assembly includes the annular inner sidewall 4 or the annular outer sidewall 5, the protrusion 51 pushes the stopper 6 received in the through hole 41 toward the positioning and tensioning member 7 inserted in the positioning hole 11 by axial relative movement between the annular outer sidewall 5 and the annular inner sidewall 4, in addition, a lower positioning conical surface 72 is disposed on the outer peripheral wall of the lower end of the positioning and tensioning member 7, the lower positioning conical surface 72 is inclined from bottom to top and from the radial outer side to the inner side of the positioning hole 11, so that when the stopper 6, and the locking of the positioning tension piece 7 is realized by the positioning matching of the first positioning conical surface 12 and the upper positioning conical surface 71.
Referring to fig. 4, the protrusion 51 is provided with a guiding tapered surface 52, the guiding tapered surface 52 is inclined from bottom to top along the radial inner side to the outer side of the positioning hole 11, so that when the annular inner sidewall 4 and the annular outer sidewall 5 move axially relative to each other, the position-limiting member 6 gradually moves towards the inner side of the through hole 41 through the guiding tapered surface 52 to abut against the lower positioning tapered surface 72.
In addition, the inner peripheral wall of the through hole 41 at the end away from the annular outer side wall 5 in this embodiment is provided with a flange to prevent the limiting member 6 from sliding out of the through hole 41, specifically, the limiting member 6 in this embodiment is a steel ball.
Further, the piston assembly comprises a piston body 21, the piston body 21 is provided with an annular inner side wall 4, the annular outer side wall 5 is connected to the lower end surface of the positioning hole 11, and the annular inner side wall 4, the annular outer side wall 5 and the positioning hole 11 are coaxially arranged, so that when the piston body 21 moves downwards, the guide conical surface 52 of the annular outer side wall 5 abuts against the limiting part 6 to move towards the inner side direction of the through hole 41 so as to lock the positioning tension part 7.
In addition, an annular groove is formed between the annular outer side wall 5 and the inner side wall of the inner cavity, a first piston cavity 22 is formed between the piston body 21 and the annular groove, the elastic element 3 is arranged in the first piston cavity 22, so when the first piston cavity 22 is ventilated, the piston body 21 is acted by air pressure and the elastic force exerted by the elastic element 3, the piston body 21 moves downwards, the annular inner side wall 4 moves downwards, the limiting element 6 moves downwards under the action of the inner side wall of the through hole 41 and the guide conical surface 52, the inner side of the through hole 41 is supposed to move at the same time, when the limiting element 6 moves, the lower positioning conical surface 72 is driven to drive the positioning tensioning element 7 to move downwards and tension, the upper positioning conical surface 71 is matched with the first positioning conical surface 12, and the second positioning conical surface 14 is matched with the third positioning conical surface to.
The positioning seat 1 includes a body 16 and a cover 17, the cover 17 is covered on the body 16 to form an inner cavity, a second piston cavity 23 is formed between a side surface of the cover 17 facing the body 16 and the piston body 21, so that when the second piston cavity 23 is ventilated, the piston body 21 is subjected to pneumatic pressure, the piston body 21 and the annular inner side wall 4 move upward, and when the limiting member 6 corresponds to the upper end of the guiding conical surface 52, the positioning tension member 7 is taken out from the positioning hole 11 and pushes away the limiting member 6 through the lower positioning conical surface 72.
In addition, referring to fig. 3 and 5, the piston body 21 includes a piston portion 211 and a connecting portion 212, the connecting portion 212 is connected to the piston portion 211 by bolts, and the annular inner sidewall 4 is integrally formed with the connecting portion 212.
Referring to fig. 3, in order to improve the setting stability of the elastic element 3, therefore, the bottom of the annular groove is provided with a first limiting hole 15, the piston body 21 is provided with a second limiting hole 24, two ends of the elastic element 3 are respectively abutted against the first limiting hole 15 and the second limiting hole 24, and the elastic element 3 in this embodiment is a spring, and at least two groups of elastic elements 3 are uniformly arranged along the circumferential direction of the piston body 21 to provide a uniform and stable locking force for the piston body 21.
In summary, in one aspect, the present invention is provided with a first piston cavity 22 and a second piston cavity 23, and the pressure of the first piston cavity 22 and the second piston cavity 23 is changed to push the piston assembly to slide along the axial direction of the positioning hole 11, so as to change the relative position of the piston assembly and the workpiece penetrating into the inner cavity from the positioning hole 11, and to lock or unlock the workpiece by the piston assembly; on the other hand, set up elastic component 3, promote piston assembly through elastic component 3 and remove to the direction of locking the work piece to when first piston chamber 22 or second piston chamber 23 lack aerodynamic force, still can guarantee piston assembly locking work piece under elastic force of elastic component 3, avoid appearing the safety problem that the work piece drops in the course of working, simultaneously, can realize pressing from both sides tightly of work piece with the aerodynamic force cooperation, reduce pneumatic means's consumption.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A zero point positioning device, comprising:
the positioning seat is provided with an inner cavity and a positioning hole which is communicated with the inner cavity and used for positioning a workpiece;
the piston assembly is arranged in the inner cavity and used for locking a workpiece, and a first piston cavity and a second piston cavity which are not communicated with each other are formed between the piston assembly and the inner wall of the inner cavity;
the first end of the elastic piece is abutted with the piston, and the second end far away from the first end is abutted with the inner wall of the inner cavity;
the piston assembly can slide along the axial direction of the positioning hole, and the elastic piece is arranged in the first piston cavity or the second piston cavity to push the piston assembly to move towards the direction of locking the workpiece.
2. The zero point positioning device according to claim 1, wherein the inner side wall of the upper end of the positioning hole is formed with a first positioning tapered surface.
3. The zero point positioning device according to claim 1 or 2, wherein the positioning seat is provided with a positioning groove, and an inner side wall of the positioning groove is formed with a second positioning conical surface.
4. The zero point positioning device according to claim 1, wherein an annular inner sidewall and an annular outer sidewall are disposed on an outer peripheral side of a lower end of the positioning hole, the annular inner sidewall is provided with a plurality of through holes, the through holes accommodate the position limiting members, a protrusion is disposed on a side surface of the annular outer sidewall facing the annular inner sidewall, the protrusion is provided with a guiding conical surface, and the piston assembly includes the annular inner sidewall or the annular outer sidewall.
5. The zero point positioning device according to claim 4, wherein the piston assembly comprises a piston body provided with the annular inner side wall connected to a lower end surface of the positioning hole, and the annular inner side wall, the annular outer side wall and the positioning hole are coaxially arranged.
6. The zero point positioning device according to claim 5, wherein an annular groove is formed between the annular outer side wall and the inner side wall of the inner cavity, the piston body and the annular groove form the first piston cavity therebetween, and the elastic member is disposed in the first piston cavity.
7. The zero positioning device of claim 6, wherein a first limiting hole is formed at the bottom of the annular groove, a second limiting hole is formed in the piston body, and two ends of the elastic member abut against the first limiting hole and the second limiting hole respectively.
8. The zero point positioning device of claim 6, wherein the positioning seat comprises a body and a cover, the cover is disposed on the body to form the inner cavity, and a side of the cover facing the body and the piston body form the second piston cavity.
9. The zero point positioning device according to claim 2, further comprising a positioning tension member, wherein the outer peripheral wall of the upper end of the positioning tension member is provided with an upper positioning tapered surface for cooperating with the first positioning tapered surface, and the outer peripheral wall of the lower end of the positioning tension member is provided with a lower positioning tapered surface which is inclined from bottom to top and from the outer side to the inner side in the radial direction of the positioning hole.
10. The zero point positioning device according to claim 3, further comprising a positioning cone pin provided with a third positioning cone surface for mating with the second positioning cone surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666569.7A CN111958514A (en) | 2020-07-10 | 2020-07-10 | Zero point positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666569.7A CN111958514A (en) | 2020-07-10 | 2020-07-10 | Zero point positioning device |
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| Publication Number | Publication Date |
|---|---|
| CN111958514A true CN111958514A (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010666569.7A Pending CN111958514A (en) | 2020-07-10 | 2020-07-10 | Zero point positioning device |
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| Country | Link |
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| CN (1) | CN111958514A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131377A (en) * | 2021-12-22 | 2022-03-04 | 大连光洋自动化液压系统有限公司 | Automatic zero positioning system and workpiece mother board |
| CN114700903A (en) * | 2021-10-22 | 2022-07-05 | 天津航空机电有限公司 | Radial positioning coded disc |
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|---|---|---|---|---|
| EP0237497A2 (en) * | 1986-03-11 | 1987-09-16 | Antonio Ferraro | Tool locking device for machine tools |
| CN1426872A (en) * | 2001-12-19 | 2003-07-02 | 厄罗瓦公司 | Clamping device with clamping head capable of loose jointing and workpiece mount assembly |
| US20070158891A1 (en) * | 2003-04-15 | 2007-07-12 | Ssa Systems-Spann Ag | Quick action clamping cylinder with a simplified structure |
| CN202742239U (en) * | 2012-06-27 | 2013-02-20 | 大连四达高技术发展有限公司 | Pneumatic locking ball clamping system |
| CN104470662A (en) * | 2012-07-11 | 2015-03-25 | 阿尔梅里诺·卡努托 | Device for compensating offset in automatic locking systems |
| CN204413188U (en) * | 2014-12-10 | 2015-06-24 | 北京精雕科技集团有限公司 | One quick change chuck at zero point |
| CN108942324A (en) * | 2017-05-22 | 2018-12-07 | 上海顶欣机电设备有限公司 | A kind of quick-clamping system |
| KR20190005755A (en) * | 2017-07-06 | 2019-01-16 | 에스엠시 가부시키가이샤 | Compliance unit with lock mechanism |
| CN210189061U (en) * | 2019-06-04 | 2020-03-27 | 东莞市沃维克精密工具有限公司 | Zero point positioning fixture |
-
2020
- 2020-07-10 CN CN202010666569.7A patent/CN111958514A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0237497A2 (en) * | 1986-03-11 | 1987-09-16 | Antonio Ferraro | Tool locking device for machine tools |
| CN1426872A (en) * | 2001-12-19 | 2003-07-02 | 厄罗瓦公司 | Clamping device with clamping head capable of loose jointing and workpiece mount assembly |
| US20070158891A1 (en) * | 2003-04-15 | 2007-07-12 | Ssa Systems-Spann Ag | Quick action clamping cylinder with a simplified structure |
| CN202742239U (en) * | 2012-06-27 | 2013-02-20 | 大连四达高技术发展有限公司 | Pneumatic locking ball clamping system |
| CN104470662A (en) * | 2012-07-11 | 2015-03-25 | 阿尔梅里诺·卡努托 | Device for compensating offset in automatic locking systems |
| CN204413188U (en) * | 2014-12-10 | 2015-06-24 | 北京精雕科技集团有限公司 | One quick change chuck at zero point |
| CN108942324A (en) * | 2017-05-22 | 2018-12-07 | 上海顶欣机电设备有限公司 | A kind of quick-clamping system |
| KR20190005755A (en) * | 2017-07-06 | 2019-01-16 | 에스엠시 가부시키가이샤 | Compliance unit with lock mechanism |
| CN210189061U (en) * | 2019-06-04 | 2020-03-27 | 东莞市沃维克精密工具有限公司 | Zero point positioning fixture |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114700903A (en) * | 2021-10-22 | 2022-07-05 | 天津航空机电有限公司 | Radial positioning coded disc |
| CN114700903B (en) * | 2021-10-22 | 2023-07-21 | 天津航空机电有限公司 | Radial positioning code disc |
| CN114131377A (en) * | 2021-12-22 | 2022-03-04 | 大连光洋自动化液压系统有限公司 | Automatic zero positioning system and workpiece mother board |
| CN114131377B (en) * | 2021-12-22 | 2024-05-17 | 大连光洋自动化系统有限公司 | Automatic zero point positioning system and workpiece mother board |
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Application publication date: 20201120 |