CN112975777B - Changeable benchmark carrier - Google Patents
Changeable benchmark carrier Download PDFInfo
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- CN112975777B CN112975777B CN202110126609.3A CN202110126609A CN112975777B CN 112975777 B CN112975777 B CN 112975777B CN 202110126609 A CN202110126609 A CN 202110126609A CN 112975777 B CN112975777 B CN 112975777B
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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
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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
- B25B11/002—Magnetic work holders
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Abstract
The invention discloses a reference-switchable carrier which comprises a base and at least one clamping unit, wherein each clamping unit comprises a first clamping device and a second clamping device, the first clamping device comprises a first clamping plate, the second clamping device comprises a second clamping plate, the first clamping plate and the second clamping plate are movably arranged along the X-axis direction, the first clamping device further comprises a first external force mechanism for locking the first clamping plate at a first reference position and driving the unlocked first clamping plate to clamp a product along the X-axis direction, and the second clamping device further comprises a second external force mechanism for locking the second clamping plate at a second reference position and driving the unlocked second clamping plate to clamp the product along the X-axis direction. The switchable reference carrier disclosed by the invention realizes the reference switching function by arranging the first external force mechanism and the second external force mechanism, and compensates the product tolerance.
Description
Technical Field
The invention belongs to the technical field of carriers, and particularly relates to a switchable reference carrier.
Background
The carrier is mainly used for bearing and positioning the products so as to facilitate further processing or detection of the products on the carrier. Most of the existing carriers are unilateral reference carriers, namely, one or two sides of a product are set as reference sides, the rest sides of the product are set as clamping sides, when the product is positioned, the product reference sides are positioned at reference positions, and the product clamping sides are clamped. When a product is machined or detected, some products need to be machined or detected on the product clamping side edge, if the size of the product per se has a certain tolerance, the actual position and the theoretical position of the product clamping side edge will be different, and the machining equipment and the detection equipment machine or detect the theoretical position of the product clamping side edge, so that the machining position of the product clamping side edge and the actual position of the product clamping side edge are deviated. The existing carrier can not meet the product tolerance.
Disclosure of Invention
The invention aims to provide a switchable reference carrier capable of meeting product tolerance.
In order to achieve the above purpose, the present invention provides the following technical solutions: a switchable reference carrier comprises a base and at least one clamping unit arranged on the base, wherein each clamping unit comprises a first clamping device and a second clamping device which are used for clamping two sides of a product along an X-axis direction respectively, the first clamping device comprises a first clamping plate in contact with the product, the second clamping device comprises a second clamping plate in contact with the product,
the first clamping plate and the second clamping plate are movably arranged along the X-axis direction, the first clamping device further comprises a first external force mechanism for locking the first clamping plate at a first reference position and driving the unlocked first clamping plate to clamp a product along the X-axis direction, and the second clamping device further comprises a second external force mechanism for locking the second clamping plate at a second reference position and driving the unlocked second clamping plate to clamp the product along the X-axis direction;
in a first working state, the first clamping plate is locked at the first reference position, the first clamping plate is in contact with the first side edge of the product and limits the first side edge of the product to be a reference edge, the second clamping plate is unlocked from the second reference position, and the second clamping plate adaptively clamps the second side edge of the product along the X-axis direction;
under the second operating condition, the second grip block is locked the second reference position, the second grip block contacts with the second side of product and prescribes a limit to the second side of product as the reference edge, first grip block certainly first reference position unblock, first grip block is along the first side of X axle direction adaptability clamp product.
As a further improvement, the first external force mechanism comprises a first magnet for locking the first clamping plate at the first reference position and a first spring assembly for driving the first clamping plate to adaptively clamp the first side edge of the product along the X-axis direction, and the second external force mechanism comprises a second magnet for locking the second clamping plate at the second reference position and a second spring assembly for driving the second clamping plate to adaptively clamp the second side edge of the product along the X-axis direction.
As a further improvement, in the same clamping unit, the first magnet and the second magnet are arranged between the first clamping plate and the second clamping plate, the first magnet and the second magnet are arranged in a staggered manner along the Y-axis direction, a third magnet is further arranged between the first magnet and the second magnet, the third magnet is movably arranged along the Y-axis direction, the third magnet moves to the same coordinate position as the first magnet along the Y-axis direction and attracts each other so that the first clamping plate is locked at the first reference position, and the third magnet moves to the same coordinate position as the second magnet along the Y-axis direction and attracts each other so that the second clamping plate is locked at the second reference position.
As a further improvement, the elastic clamping force of the first spring assembly and the second spring assembly is the same.
As a further improvement, each clamping unit further comprises a Y-axis guide rail arranged on the base, and the third magnets are connected to the Y-axis guide rails in a guiding mode.
As a further improvement, in the same first clamping device, the first magnet and the first spring assembly are respectively close to two ends of the first clamping plate along the Y-axis direction, and in the same second clamping device, the second magnet and the second spring assembly are respectively close to two ends of the second clamping plate along the Y-axis direction.
As a further improvement, the first spring assembly includes a first fixing plate, a first spring guide rod connected to the first fixing plate, and a first spring sleeved on the first spring guide rod, two ends of the first spring respectively abut against the first fixing plate and the first clamping plate, the second spring assembly includes a second fixing plate, a second spring guide rod connected to the second fixing plate, and a second spring sleeved on the second spring guide rod, and two ends of the second spring respectively abut against the second fixing plate and the second clamping plate.
As a further improvement, in the same clamping unit, the first spring assembly and the second spring assembly are respectively disposed at the outer sides of the first clamping plate and the second clamping plate, the switchable reference carrier includes a plurality of clamping units sequentially arranged along the X-axis direction, and in two adjacent clamping units, the first fixing plate of one of the clamping units and the second fixing plate of the other clamping unit are the same fixing plate.
As a further improvement, each clamping unit further comprises an X-axis guide rail arranged on the base, and the first clamping plate and the second clamping plate are connected to the X-axis guide rail in a guiding mode.
As a further improvement, the switchable reference carrier comprises a plurality of clamping units which are sequentially arranged along the X-axis direction, and the X-axis guide rails of the plurality of clamping units are long guide rails which are integrally arranged.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the switchable reference carrier disclosed by the invention realizes the reference switching function by arranging the first external force mechanism and the second external force mechanism, and compensates the product tolerance;
according to the switchable reference carrier disclosed by the invention, the first external force mechanism is arranged to comprise the first magnet and the first spring assembly, the second external force mechanism is arranged to comprise the second magnet and the second spring assembly, and power equipment is not required to be arranged, so that the positioning reference switching can be realized, the energy is saved, the operation is reliable, the switchable reference carrier can be compatible with products with various sizes, and the production speed is greatly improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application, and the description of the exemplary embodiments and illustrations of the application are intended to explain the application and are not intended to limit the application.
Fig. 1 is a top view of a switchable reference carrier of the present invention;
FIG. 2 is a schematic diagram showing the relationship among the first magnet, the second magnet and the third magnet;
fig. 3 is a schematic diagram of the position relationship of the first magnet, the second magnet and the third magnet in the present invention.
Wherein, 100, the base; 200. a clamping unit; 210. a product; 220. a first clamping device; 221. a first clamping plate; 222. a first magnet; 223. a first fixing plate; 224. a first spring guide post; 230. a second holding device; 231. a second clamping plate; 232. a second magnet; 233. a second fixing plate; 234. a second spring guide post; 241. a third magnet; 242. a Y-axis guide rail; 243. a fixing plate; 251. an X-axis guide rail.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise. In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure. In the present disclosure, terms such as "fixedly connected," "connected," and the like should be understood broadly, and mean that they may be fixedly connected, integrally connected, or detachably connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
The following is a preferred embodiment of the present invention, but is not intended to limit the scope of the present invention.
Example one
Referring to fig. 1 to 3, as shown in the figures, a switchable reference carrier includes a base 100 and at least one clamping unit 200 disposed on the base 100, each clamping unit 200 includes a first clamping device 220 and a second clamping device 230 for clamping a product 210 at two sides along an X-axis direction, respectively, the first clamping device 220 includes a first clamping plate 221 contacting the product 210, the second clamping device 230 includes a second clamping plate 231 contacting the product 210,
the first clamping plate 221 and the second clamping plate 231 are movably arranged along the X-axis direction, the first clamping device 220 further includes a first external force mechanism for locking the first clamping plate 221 at the first reference position and driving the unlocked first clamping plate 221 to clamp the product along the X-axis direction, and the second clamping device 230 further includes a second external force mechanism for locking the second clamping plate 231 at the second reference position and driving the unlocked second clamping plate 231 to clamp the product along the X-axis direction;
in the first working state, the first clamping plate 221 is locked at the first reference position, the first clamping plate 221 contacts with the first side edge of the product 210 and defines the first side edge of the product 210 as the reference edge, the second clamping plate 231 is unlocked from the second reference position, and the second clamping plate 231 adaptively clamps the second side edge of the product 210 along the X-axis direction;
in the second working state, the second clamping plate 231 is locked at the second reference position, the second clamping plate 231 contacts with the second side edge of the product 210 and defines the second side edge of the product 210 as the reference edge, the first clamping plate 221 is unlocked from the first reference position, and the first clamping plate 221 adaptively clamps the first side edge of the product 210 along the X-axis direction.
In the preferred embodiment, the first external force mechanism includes a first magnet 222 for locking the first clamping plate 221 at the first reference position and a first spring assembly for driving the unlocked first clamping plate 221 to adaptively clamp the first side of the product 210 along the X-axis direction, and the second external force mechanism includes a second magnet 231 for locking the second clamping plate 231 at the second reference position and a second spring assembly for driving the unlocked second clamping plate 231 to adaptively clamp the second side of the product 210 along the X-axis direction. In other embodiments, the first external force mechanism and the second external force mechanism can be both configured as an air cylinder or motor-driven external force mechanism, in which case, the clamping plate driven by the non-operating air cylinder or motor is located at the reference position, and the clamping plate driven by the operating air cylinder or motor performs adaptive clamping.
In a preferred embodiment of the present invention, in the same clamping unit 200, the first magnet 222 and the second magnet 232 are disposed between the first clamping plate 221 and the second clamping plate 231, the first magnet 222 and the second magnet 232 are disposed in a staggered manner along the Y-axis direction, the third magnet 241 is further disposed between the first magnet 222 and the second magnet 232, the third magnet 241 is disposed in a movable manner along the Y-axis direction, the third magnet 241 moves to the same coordinate position as the first magnet 222 along the Y-axis direction and attracts each other to lock the first clamping plate 221 to the first reference position, and the third magnet 241 moves to the same coordinate position as the second magnet 232 along the Y-axis direction and attracts each other to lock the second clamping plate 231 to the second reference position. In other embodiments it may also be: the first magnet and the second magnet are respectively provided with a third magnet which can be an electromagnet, the clamping plate corresponding to the electromagnet which is electrified is positioned at the reference position, and the clamping plate corresponding to the electromagnet which is not electrified is clamped in an adaptive manner.
In a preferred embodiment of this embodiment, the elastic clamping forces of the first spring assembly and the second spring assembly are the same. In other embodiments, the spring assembly and the magnetic attraction force can be different, so long as the resultant force of the spring force and the magnetic attraction force is larger than the spring force of the other spring assembly.
In a preferred embodiment of this embodiment, each clamping unit 200 further includes a Y-axis guide rail 242 disposed on the base 100, and the third magnet 241 is guided and connected to the Y-axis guide rail 242. In other embodiments, the following steps can be provided: no Y-axis guide is included.
In the preferred embodiment of the present embodiment, in the same first clamping device 220, the first magnet 222 and the first spring assembly are respectively close to two ends of the first clamping plate 221 along the Y-axis direction, and in the same second clamping device 230, the second magnet 232 and the second spring assembly are respectively close to two ends of the second clamping plate 231 along the Y-axis direction. In other embodiments, the following steps can be further provided: in the same first clamping device, a first magnet and a first spring assembly are respectively close to the middle position or the same end of the first clamping plate along the Y-axis direction;
in a preferred embodiment of the present invention, the first spring assembly includes a first fixing plate 223, a first spring guide 224 connected to the first fixing plate 223, and a first spring (not shown) sleeved on the first spring guide 224, two ends of the first spring (not shown) respectively abut against the first fixing plate 223 and the first clamping plate 221, the second spring assembly includes a second fixing plate 233, a second spring guide 234 connected to the second fixing plate 233, and a second spring (not shown) sleeved on the second spring guide 234, two ends of the second spring (not shown) respectively abut against the second fixing plate 233 and the second clamping plate 231. In other embodiments, the following steps can be further provided: the first spring assembly comprises a first elastic sheet, and the second spring assembly comprises a second elastic sheet.
In the preferred embodiment of the present invention, in the same clamping unit 200, the first spring assembly and the second spring assembly are respectively disposed at the outer sides of the first clamping plate 221 and the second clamping plate 231, the switchable reference carrier includes a plurality of clamping units 200 sequentially disposed along the X-axis direction, and in two adjacent clamping units 200, the first fixing plate 223 of one of the clamping units and the second fixing plate 233 of the other clamping unit are the same fixing plate 243. In other embodiments, the following steps can be further provided: in two adjacent clamping units, the first fixing plate of one clamping unit and the second fixing plate of the other clamping unit are respectively arranged.
In a preferred embodiment of the present invention, each clamping unit 200 further includes an X-axis guide 251 disposed on the base 100, and the first clamping plate 221 and the second clamping plate 231 are connected to the X-axis guide 251 in a guiding manner. In other embodiments, the following steps can be further provided: not including the X-axis guide.
In the preferred embodiment of the present invention, the switchable reference carrier includes a plurality of gripper units 200 sequentially arranged along the X-axis direction, and the X-axis guide 251 of the plurality of gripper units 200 is an integrally arranged long guide. In other embodiments, the following steps can be provided: the plurality of X-axis guide rails of the plurality of clamping units are arranged in a staggered manner along the Y-axis direction.
In the above, the X-axis direction is the left-right direction, and the Y-axis direction is the front-back direction.
When the first spring and the second spring have the same elasticity, the attraction of the magnet is controlled to ensure that the force on one side is greater than that on the other side so as to establish the reference. The third magnet is shown in the front position and is attracted to the first magnet (the gap between the magnet and the workpiece containing magnet is 0.2 mm), the first clamping plate is located at the first reference position, and the battery takes the first side edge as the reference. Similarly, the third magnet is attracted with the second magnet at the back position (the gap between the magnet and the magnet containing the processed part is 0.2 mm), the second clamping plate is positioned at the second reference position, and the second side edge of the battery is used as the reference. (the battery is sucked and transported to be built when the standard is built)
The first spring assembly and the second spring assembly ensure that the forces on the left side and the right side are equal when a product is positioned, and ensure the positioning consistency; the first external force mechanism and the second external force mechanism realize the left-right conversion of the positioning of the carrier by utilizing the working principle of a magnet; the first clamping plate and the second clamping plate are positioned on one side when the reference is switched, so that the positioning consistency of the product is realized; the third magnet, the first magnet and the second magnet act together to realize the switching of product positioning; the X-axis guide rail and the Y-axis guide rail do linear motion for switching the reference, so that the reference is ensured not to deviate.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, including any reference to the above-mentioned embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A switchable reference carrier comprises a base and at least one clamping unit arranged on the base, wherein each clamping unit comprises a first clamping device and a second clamping device which are used for respectively clamping two sides of a product along the X-axis direction, the first clamping device comprises a first clamping plate in contact with the product, the second clamping device comprises a second clamping plate in contact with the product,
the first clamping device is characterized in that the first clamping plate and the second clamping plate are movably arranged along the X-axis direction, the first clamping device further comprises a first external force mechanism for locking the first clamping plate at a first reference position and driving the unlocked first clamping plate to clamp a product along the X-axis direction, and the second clamping device further comprises a second external force mechanism for locking the second clamping plate at a second reference position and driving the unlocked second clamping plate to clamp the product along the X-axis direction;
in a first working state, the first clamping plate is locked at the first reference position, the first clamping plate is in contact with the first side edge of the product and limits the first side edge of the product to be a reference edge, the second clamping plate is unlocked from the second reference position, and the second clamping plate adaptively clamps the second side edge of the product along the X-axis direction;
under the second operating condition, the second grip block is locked the second reference position, the second grip block contacts with the second side of product and prescribes a limit to the second side of product as the reference edge, first grip block certainly first reference position unblock, first grip block is along the first side of X axle direction adaptability clamp product.
2. The switchable reference carrier of claim 1, wherein the first external force mechanism comprises a first magnet for locking the first clamping plate at the first reference position and a first spring assembly for driving the unlocked first clamping plate to adaptively clamp the first side of the product along the X-axis direction, and the second external force mechanism comprises a second magnet for locking the second clamping plate at the second reference position and a second spring assembly for driving the unlocked second clamping plate to adaptively clamp the second side of the product along the X-axis direction.
3. The switchable reference carrier of claim 2, wherein in the same clamping unit, the first magnet and the second magnet are disposed between the first clamping plate and the second clamping plate, the first magnet and the second magnet are disposed in a staggered manner along a Y-axis direction, a third magnet is further disposed between the first magnet and the second magnet, the third magnet is movably disposed along the Y-axis direction, the third magnet moves to a position which is located at the same coordinate position along the Y-axis direction as the first magnet and attracts each other to lock the first clamping plate at the first reference position, and the third magnet moves to a position which is located at the same coordinate position along the Y-axis direction as the second magnet and attracts each other to lock the second clamping plate at the second reference position.
4. The switchable reference carrier of claim 3 wherein the elastic clamping force of the first spring assembly and the second spring assembly are the same magnitude.
5. The switchable reference carrier of claim 3 wherein each of the clamping units further comprises a Y-axis guide rail disposed on the base, and the third magnet is guided and connected to the Y-axis guide rail.
6. The switchable reference carrier of claim 2 wherein the first magnet and the first spring assembly are respectively located near two ends of the first clamping plate along the Y-axis direction in the same first clamping device, and the second magnet and the second spring assembly are respectively located near two ends of the second clamping plate along the Y-axis direction in the same second clamping device.
7. The switchable reference carrier of claim 2 wherein the first spring assembly comprises a first fixing plate, a first spring guide rod connected to the first fixing plate, and a first spring sleeved on the first spring guide rod, two ends of the first spring respectively abut against the first fixing plate and the first clamping plate, the second spring assembly comprises a second fixing plate, a second spring guide rod connected to the second fixing plate, and a second spring sleeved on the second spring guide rod, two ends of the second spring respectively abut against the second fixing plate and the second clamping plate.
8. The switchable reference carrier of claim 7 wherein the first spring assembly and the second spring assembly are respectively disposed at the outer sides of the first clamping plate and the second clamping plate in the same clamping unit, the switchable reference carrier comprises a plurality of clamping units sequentially arranged along the X-axis direction, and the first fixing plate of one of the two adjacent clamping units is the same as the second fixing plate of the other clamping unit.
9. The switchable reference carrier of claim 1 wherein each of the clamping units further comprises an X-axis guide rail disposed on the base, and the first clamping plate and the second clamping plate are guided to be connected to the X-axis guide rail.
10. The switchable reference carrier of claim 9 comprising a plurality of said gripper units arranged in sequence along the X-axis direction, wherein the X-axis guides of the plurality of said gripper units are integrally formed long guides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110126609.3A CN112975777B (en) | 2021-01-29 | 2021-01-29 | Changeable benchmark carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110126609.3A CN112975777B (en) | 2021-01-29 | 2021-01-29 | Changeable benchmark carrier |
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| Publication Number | Publication Date |
|---|---|
| CN112975777A CN112975777A (en) | 2021-06-18 |
| CN112975777B true CN112975777B (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110126609.3A Active CN112975777B (en) | 2021-01-29 | 2021-01-29 | Changeable benchmark carrier |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4491650B2 (en) * | 2004-11-08 | 2010-06-30 | 三菱電機株式会社 | Substrate positioning device |
| JP4210280B2 (en) * | 2005-09-01 | 2009-01-14 | 本田技研工業株式会社 | Work clamping device |
| JP5830964B2 (en) * | 2011-06-28 | 2015-12-09 | 村田機械株式会社 | Work positioning jig |
| CN102689217B (en) * | 2012-05-31 | 2014-06-18 | 北京航空航天大学 | Device for correcting double-shaft micro-deformation blade reference |
| CN203426733U (en) * | 2013-06-27 | 2014-02-12 | 潍柴动力扬州柴油机有限责任公司 | Fixture and bidirectional linkage locating device |
| CN104596406B (en) * | 2013-10-31 | 2017-05-03 | 北京精密机电控制设备研究所 | Multi-station micro-positioning line displacement measuring device |
| KR20180085500A (en) * | 2017-01-19 | 2018-07-27 | 두산공작기계 주식회사 | Tool sub-carrier |
| CN209304402U (en) * | 2018-12-08 | 2019-08-27 | 歌尔科技有限公司 | Double product orientation devices |
| CN111390467A (en) * | 2020-03-23 | 2020-07-10 | 大族激光科技产业集团股份有限公司 | Clamping and positioning device |
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