CN109352383B - Centering and positioning device - Google Patents
Centering and positioning device Download PDFInfo
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- CN109352383B CN109352383B CN201811365134.8A CN201811365134A CN109352383B CN 109352383 B CN109352383 B CN 109352383B CN 201811365134 A CN201811365134 A CN 201811365134A CN 109352383 B CN109352383 B CN 109352383B
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- block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/088—Work-clamping means other than mechanically-actuated using vacuum means
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- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a centering and positioning device which comprises an installation plate, a placing table arranged on one side of the installation plate, a positioning assembly and a push block mechanism, wherein the positioning assembly and the push block mechanism are arranged on the installation plate; the positioning assembly comprises a first clamping block and a second clamping block; the first clamping block and the second clamping block are respectively arranged corresponding to the two opposite end parts of the placing table; the push block mechanism comprises a driving piece, two push rods, an elastic reset piece, two racks, a gear and a push block, wherein the two push rods are positioned on one side of the mounting plate, which is far away from the placing table, and are in sliding connection with the mounting plate; the two push rods are respectively connected with the first clamping block and the second clamping block; the push block is provided with a sliding hole through which the first clamping block passes. According to the invention, the elastic reset piece drives the two push rods to push the first clamping block and the second clamping block to clamp the product, so that the product with larger tolerance can be clamped and positioned, and the first clamping block and the second clamping block can realize centering and positioning of the product under the action of the gear and the rack.
Description
Technical Field
The invention relates to the field of machining equipment machinery, in particular to a centering and positioning device.
Background
In the processing production of the product, in order to enable the product to be accurately processed, the product needs to be positioned by a positioning device. For some non-porous products, the traditional positioning mode is to position the product in the maximum shape, but the positioning structure for the non-porous product is not adjustable at present, and if the shape tolerance of the product is too large, the positioning structure cannot be positioned, so the universality is not strong.
Disclosure of Invention
Therefore, aiming at the problems, the centering and positioning device capable of positioning the product by correspondingly adjusting the overall dimension of the product is provided.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme:
a centering and positioning device comprises a mounting plate, a placing table arranged on one side of the mounting plate, a positioning assembly and a push block mechanism, wherein the positioning assembly and the push block mechanism are arranged on the mounting plate; the positioning assembly comprises a first clamping block and a second clamping block; the first clamping block and the second clamping block are respectively arranged corresponding to the two opposite end parts of the placing table in a sliding mode and penetrate through the mounting plate; the push block mechanism comprises a driving piece, two push rods, an elastic reset piece, two racks, a gear and a push block, wherein the two push rods are positioned on one side, far away from the placing table, of the mounting plate and are in sliding connection with the mounting plate; the gear is positioned between the racks; the two push rods are respectively connected with the first clamping block and the second clamping block; the push block is arranged corresponding to the first clamping block and is provided with a sliding hole through which the first clamping block passes.
According to the centering and positioning device, the elastic reset piece drives the two push rods to push the first clamping block and the second clamping block to clamp a product, so that the product can be clamped and positioned in the direction from the first clamping block to the second clamping block, the first clamping block and the second clamping block can also clamp and position the product with larger tolerance due to the elastic action of the elastic reset piece, the universality is improved, and the impact force of the first clamping block and the second clamping block on the product can be buffered by the elastic reset piece, so that the product is protected; in addition, through setting up two racks that are located two push rods respectively and being located between the rack and the gear that just meshes each rack for first centre gripping is synchronous motion when pressing from both sides tight product according to piece and second grip block, thereby makes the size of product change anyhow, and the homoenergetic realizes the centering location of product in the direction of first grip block to second grip block, and then makes machining center ability precision finishing product.
In one embodiment, the mounting plate is provided with a suction hole.
In one embodiment, the driving piece is connected with the mounting plate through a fixing block, and a guide groove is formed in the fixing block; the push block is arranged in the guide groove in a sliding mode.
In one embodiment, the device further comprises a bottom plate arranged on one side of the mounting plate far away from the placing table and a plurality of supporting columns for connecting the mounting plate and the bottom plate.
In one embodiment, the mounting plate is provided with a connection long hole corresponding to the support column, and a screw passes through the connection long hole to be in threaded connection with the support column so as to fix the support column on the mounting plate; the bottom plate is provided with a plurality of connecting round holes, and a screw penetrates through one of the connecting round holes to be in threaded connection with the supporting column so as to fix the supporting column on the bottom plate.
In one embodiment, the positioning assembly further includes a first positioning block and a second positioning block, the first positioning block and the second positioning block are respectively disposed corresponding to two opposite sides of the placing table, and the first positioning block is provided with an elastic pushing assembly for pushing the product to the second positioning block.
In one embodiment, the elastic pushing assembly comprises a shifting ball and a spring, and the spring is arranged in the first positioning block; the shifting ball is arranged in an inner cavity enclosed by the spring and extends out of the side surface of the first positioning block facing the second positioning block.
In one embodiment, the first positioning block and the second positioning block are detachably connected with the mounting plate.
In one embodiment, the first positioning block and the second positioning block are both connected with the mounting plate through screws.
In one embodiment, the first positioning block is connected with the mounting plate through a height adjusting plate; the height adjusting plate is positioned on one side of the first positioning block, which is far away from the placing table; be equipped with the regulation slot hole on the altitude mixture control board, first locating piece is equipped with the screw rod on the side towards the altitude mixture control board, the screw rod passes adjust slot hole threaded connection fixation nut, with first locating piece lock in on the altitude mixture control board.
Drawings
Fig. 1 is a schematic perspective view of a centering and positioning device according to an embodiment of the present invention;
FIG. 2 is an assembly view of the first retainer block and the resilient urging assembly of FIG. 1;
FIG. 3 is an assembly view of the pusher mechanism, the first clamping block and the second clamping block of the centering and positioning device of FIG. 1;
fig. 4 is a schematic view of the connection of the first positioning block of the centering and positioning device of the present invention to the mounting plate in another embodiment.
In the figure:
10. mounting a plate; 11. connecting the long holes; 20. a placing table; 21. sucking holes; 30. a base plate; 31. mounting holes; 32. the connecting circular hole; 40. a support pillar; 51. a first clamping block; 52. a second clamping block; 61. a first positioning block; 611. a screw; 62. a second positioning block; 70. an elastic pushing component; 71. a spring; 72. bead poking; 80. a push block mechanism; 81. a drive member; 82. a push block; 821. a slide hole; 83. a first push rod; 84. a second push rod; 85. a rack; 86. a gear; 87. an elastic reset member; 88. a fixed block; 881. a guide groove; 891. a guide rail; 892. a slider; 100. a height adjustment plate; 101. adjusting the long hole; 200. and (5) fixing the nut.
Detailed Description
In the description of the present invention, it is to be understood that the terms "length," "width," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include one or more of that feature.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1 to fig. 3, a centering and positioning device according to a preferred embodiment of the present invention includes a mounting plate 10, a placing table 20 disposed on one side of the mounting plate 10, a bottom plate 30 disposed on one side of the mounting plate 10 away from the placing table 20, a plurality of supporting pillars 40 connecting the mounting plate 10 and the bottom plate 30, and a positioning assembly and a pushing block mechanism 80 disposed on the mounting plate 10.
The mounting plate 10 is provided with a connecting long hole 11 corresponding to the support column 40, and a screw passes through the connecting long hole 11 and is in threaded connection with the support column 40 so as to fix the support column 40 on the mounting plate 10; the bottom plate 30 is provided with at least one mounting hole 31 for connecting the outside and a plurality of connecting round holes 32 for connecting the supporting columns 40, and a screw passes through one of the connecting round holes 32 to be connected with the supporting columns 40 in a threaded manner, so that the supporting columns 40 are fixed on the bottom plate 30. The installation plate 10 is provided with the long connecting holes 11 for connecting the supporting columns 40, and the bottom plate 30 is provided with the round connecting holes 32 for connecting the supporting columns 40, so that the position of the installation plate 10 relative to the bottom plate 30 can be correspondingly adjusted according to the position of the machining center, and the machining center can completely machine products.
The placing table 20 has two oppositely disposed side portions and two oppositely disposed end portions, the end portions being located between the side portions; the placing table 20 is provided with a suction hole 21 for sucking a product placed on the placing table 20 so that the product is fastened on the placing table 20. In the present embodiment, the placement stage 20 has a square shape.
The positioning assembly comprises a first clamping block 51, a second clamping block 52, a first positioning block 61 and a second positioning block 62, wherein the first clamping block 51 and the second clamping block 52 are respectively arranged at two ends of the placing table 20 in a sliding mode and penetrate through the mounting plate 10. The first clamping block 51 and the second clamping block 52 are used for clamping the product placed on the placing table 20 under the driving of the push block mechanism 80 so as to realize the positioning of the product in the first direction; the first positioning block 61 and the second positioning block 62 are respectively arranged corresponding to two side portions of the placing table 20, and the first positioning block 61 is provided with an elastic pushing assembly 70 for pushing the product to the second positioning block 62 so as to realize the positioning of the product in the second direction; the second direction is perpendicular to the first direction, for example, the first direction is an X-axis direction, and the second direction is a Y-axis direction. Promote the product through elasticity drive assembly 70 and press to second locating piece 62, can cushion the impact of first locating piece 61 and second locating piece 62 to the product on the one hand, make the product protected, on the other hand can realize the centre gripping location of first locating piece 61 and second locating piece 62 to the product that the tolerance is big, has improved the commonality.
The first positioning block 61 and the second positioning block 62 are detachably connected to the mounting plate 10. In the present embodiment, the first positioning block 61 and the second positioning block 62 are both connected to the mounting plate 10 by screws. Of course, the way of connecting the first positioning block 61 to the mounting plate 10 is not limited to screws, but other ways are also possible, for example, in one possible embodiment, as shown in fig. 4, the first positioning block 61 can be connected to the mounting plate 10 by the height adjusting plate 100. Specifically, as shown in fig. 3, the height adjusting plate 100 is located on a side of the first positioning block 61 away from the placing table 20; the height adjusting plate 100 is provided with an adjusting long hole 101, the side of the first positioning block 61 facing the height adjusting plate 100 is provided with a screw 611, and the screw 611 passes through the adjusting long hole 101 and is in threaded connection with the fixing nut 200, so that the first positioning block 61 is connected with the height adjusting plate 100. The arrangement of the adjusting slot 101 on the height adjusting plate 100 can make the height of the elastic pushing assembly 70 correspondingly adjusted along with the thickness of the product, so that the first positioning block 61 and the second positioning block 62 can better position the product.
As shown in fig. 2, the elastic pushing assembly 70 includes a shifting ball 72 and a spring 71, and the spring 71 is disposed in the first positioning block 61; the poking beads 72 are arranged in an inner cavity surrounded by the spring 71 and extend out of the side face, facing the second positioning block 62, of the first positioning block 61, so that the product is in contact with the poking beads 72, the poking beads 72 are not prone to scratching the product, and the product can be protected. When the product enters the positioning cavity, the spring 71 is compressed through the shifting ball 72; after the product is placed on the placing table 20, the spring 71 drives the ball 72 to push the product to press the second positioning block 62.
As shown in fig. 3, the push block mechanism 80 includes a driving member 81, two push rods located on one side of the mounting plate 10 away from the placing table 20 and slidably connected to the mounting plate 10, an elastic restoring member 87 connecting the two push rods, two racks 85 respectively disposed on the two push rods, a gear 86 mounted on the mounting plate 10 and engaged with each rack 85, and a push block 82 connected to the driving member 81; the gear 86 is located between the racks 85; the two push rods are respectively connected with the first clamping block 51 and the second clamping block 52; the pushing block 82 is disposed corresponding to the first clamping block 51, and a sliding hole 821 through which the first clamping block 51 passes is disposed on the pushing block 82. The two push rods are respectively a first push rod 83 connected with the first clamping block 51 and a second push rod 84 connected with the second clamping block 52. Before positioning the product, the driving member 81 drives the pushing block 82 to pull the first pushing rod 83 outwards against the resistance of the elastic returning member 87, the rack 85 on the first pushing rod 83 drives the gear 86 on the second pushing rod 84 to move away from the driving member 81 through the gear 86, and the first clamping block 51 and the second clamping block 52 are also driven by the first pushing rod 83 and the second pushing rod 84 to move away from the placing table 20, so that the product can be placed on the placing table 20; when a product is positioned, the driving member 81 drives the pushing block 82 to move towards the gear 86, at this time, the pushing block 82 does not apply pushing force or pulling force to the first clamping block 51, and the first push rod 83 and the second push rod 84 drive the first clamping block 51 and the second clamping block 52 to close to clamp the product under the action of the elastic resetting member 87, so as to position the product in the second direction.
The push block assembly drives the two push rods to push the first clamping block 51 and the second clamping block 52 to clamp a product through the elastic resetting piece 87, so that the product can be clamped and positioned in the first direction, the first clamping block 51 and the second clamping block 52 can also clamp and position the product with larger tolerance due to the elastic action of the elastic resetting piece 87, the universality is improved, and the elastic resetting piece 87 can buffer the impact force of the first clamping block 51 and the second clamping block 52 on the product, so that the product is protected; in addition, through setting two racks 85 respectively positioned on the two push rods and a gear 86 positioned between the racks 85 and meshed with the racks 85, the first clamping block 51 and the second clamping block 52 move synchronously when clamping the product, so that the product can be centered and positioned in the first direction no matter how the size of the product changes, and the machining center can precisely machine the product.
In this embodiment, the driving member 81 is selected as an air cylinder, and the elastic restoring member 87 is selected as a tension spring.
Further, the driving member 81 is connected to the mounting plate 10 through the fixing block 88, the fixing block 88 is provided with a guide groove 881, and the pushing block 82 is slidably disposed in the guide groove 881, so that the pushing block 82 can perform a stable linear motion.
The push rod is slidingly engaged with the mounting plate 10 by a slider assembly. Specifically, the sliding block 892 assembly includes a guide rail 891 disposed on the mounting plate 10 and a sliding block 892 disposed on the push rod, the sliding block 892 slidably engaging the guide rail 891.
The specific working principle of the centering and positioning device is as follows:
before positioning, the driving element 81 drives the pushing block 82 to pull the first clamping block 51 outwards away from the placing table 20 against the resistance of the elastic resetting element 87; the first push rod 83 is driven by the first clamping block 51 to move outwards, the first push rod 83 drives the second push rod 84 to move outwards through the rack 85 and the gear 86, and the first clamping block 51 and the second clamping block 52 move away from the product synchronously; when the product is far away from the placing table 20 by a certain distance, the driving element 81 stops acting, and then the product pushes the poking beads 72 to extrude the springs 71 into the positioning cavities, and the product is placed on the placing table 20; after the product is placed, the spring 71 drives the shifting ball 72 to push the product to press the second positioning block 62, so that the product is positioned in the first direction; after that, the driving element 81 is actuated again, the driving element 81 drives the pushing block 82 to move towards the gear 86, at this time, the pushing block 82 does not apply a pushing force to the first clamping block 51, the first push rod 83 and the second push rod 84 drive the first clamping block 51 and the second clamping block 52 to synchronously move towards the placing table 20 under the action of the elastic resetting element 87 and the action of the gear 86 and the rack 85, until the product is clamped, and the centering and the positioning of the product in the second direction are realized; after the product is completely positioned, the suction holes 21 of the placing table 20 suck the product to fasten the product on the placing table 20.
In the centering and positioning device, the two push rods are driven by the elastic resetting member 87 to push the first clamping block 51 and the second clamping block 52 to clamp the product, so that the product is positioned in the first direction, under the elastic action of the elastic pushing member 70 and the elastic resetting member 87, and the product is pushed by the elastic pushing member 70 on the first positioning block 61 to press the second positioning block 62, so that the product is positioned in the second direction perpendicular to the first direction, and under the elastic action of the elastic resetting member 87 and the elastic pushing member 70, the first positioning block 61, the second positioning block 62, the first clamping block 51 and the second clamping block 52 can also clamp and position the product with larger tolerance, so that the universality is improved; through setting up two racks 85 of locating respectively on two push rods and being located between the rack 85 and the gear 86 that meshes each rack 85 for synchronous motion when first grip block 51 and second grip block 52 press from both sides tight product, thereby make the size of product change anyhow, the homoenergetic realizes the centering location to the product in the first direction, makes machining center can the accurate processing product.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A centering and positioning device is characterized by comprising a mounting plate, a placing table arranged on one side of the mounting plate, a positioning assembly and a push block mechanism, wherein the positioning assembly and the push block mechanism are arranged on the mounting plate; the positioning assembly comprises a first clamping block and a second clamping block; the first clamping block and the second clamping block are respectively arranged corresponding to the two opposite end parts of the placing table in a sliding mode and penetrate through the mounting plate; the push block mechanism comprises a driving piece, two push rods, an elastic reset piece, two racks, a gear and a push block, wherein the two push rods are positioned on one side, far away from the placing table, of the mounting plate and are in sliding connection with the mounting plate; the gear is positioned between the racks; the two push rods are respectively connected with the first clamping block and the second clamping block; the push block is arranged corresponding to the first clamping block and is provided with a sliding hole through which the first clamping block passes; the positioning assembly further comprises a first positioning block and a second positioning block, the first positioning block and the second positioning block are respectively arranged corresponding to two opposite sides of the placing table, and the first positioning block is provided with an elastic pushing assembly used for pushing a product to the second positioning block; the elastic pushing assembly comprises a shifting ball and a spring, and the spring is arranged in the first positioning block; the shifting ball is arranged in an inner cavity enclosed by the spring and extends out of the side surface of the first positioning block facing the second positioning block.
2. The centering device of claim 1, wherein said mounting plate is provided with a suction hole.
3. The centering and positioning device as claimed in claim 1, wherein said driving member is connected to said mounting plate through a fixing block, said fixing block being provided with a guide groove; the push block is arranged in the guide groove in a sliding mode.
4. The centering device of claim 1, further comprising a base plate disposed on a side of said mounting plate remote from said standing board and a plurality of support posts connecting said mounting plate and said base plate.
5. The centering and positioning device as claimed in claim 4, wherein the mounting plate is provided with a long connecting hole corresponding to the supporting column, and a screw is threaded through the long connecting hole to connect the supporting column, so as to fix the supporting column on the mounting plate; the bottom plate is provided with a plurality of connecting round holes, and a screw penetrates through one of the connecting round holes to be in threaded connection with the supporting column so as to fix the supporting column on the bottom plate.
6. The centering and positioning device as claimed in claim 1, wherein said first positioning block and said second positioning block are detachably connected to a mounting plate.
7. The centering and positioning device as claimed in claim 6, wherein said first positioning block and said second positioning block are each connected to the mounting plate by means of screws.
8. The centering and positioning device as claimed in claim 6, wherein said first positioning block is connected to said mounting plate by a height adjustment plate; the height adjusting plate is positioned on one side of the first positioning block, which is far away from the placing table; be equipped with the regulation slot hole on the altitude mixture control board, first locating piece is equipped with the screw rod on the side towards the altitude mixture control board, the screw rod passes adjust slot hole threaded connection fixation nut, with first locating piece lock in on the altitude mixture control board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365134.8A CN109352383B (en) | 2018-11-16 | 2018-11-16 | Centering and positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365134.8A CN109352383B (en) | 2018-11-16 | 2018-11-16 | Centering and positioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109352383A CN109352383A (en) | 2019-02-19 |
| CN109352383B true CN109352383B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811365134.8A Active CN109352383B (en) | 2018-11-16 | 2018-11-16 | Centering and positioning device |
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| CN (1) | CN109352383B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834479B (en) * | 2019-02-25 | 2024-04-02 | 浙江华亿电气有限公司 | Two-way clamping comprehensive clamp |
| CN111318885B (en) * | 2020-03-31 | 2021-06-11 | 江苏中智自动化股份有限公司 | Workbench with centering and positioning functions for engraving machine |
| CN113878311B (en) * | 2021-10-28 | 2022-08-30 | 信阳中部半导体技术有限公司 | Fixture for manufacturing V-CUT steel mold core continuous V-shaped groove of light guide plate |
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| DE19920365A1 (en) * | 1999-05-04 | 2000-11-30 | Emil Stark | Fastening and detachment of workpiece and carrier for precision processing, e.g. machining, employs intervening adhesive layer, forming attachment in accurate registration |
| KR20140001304A (en) * | 2012-06-25 | 2014-01-07 | 씨티에스(주) | Display glass substrate centering device |
| KR101563987B1 (en) * | 2015-08-10 | 2015-11-06 | (주)강림나노텍 | Jig for fixing work piece |
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| CN100486763C (en) * | 2007-09-06 | 2009-05-13 | 张应祥 | Accurate gripping tongs for the machine tool |
| CN101628399B (en) * | 2009-08-12 | 2013-03-13 | 李梓鸿 | Clamping and positing device capable of automatically aligning center |
| CN106829407B (en) * | 2016-12-21 | 2018-12-11 | 浙江雅琪诺装饰材料有限公司 | A kind of pinpoint floating carrier of achievable product |
| CN108637740A (en) * | 2018-07-13 | 2018-10-12 | 广东长盈精密技术有限公司 | Locking fixture |
| CN108705347A (en) * | 2018-08-01 | 2018-10-26 | 宁国市挚友合金钢材料有限公司 | A kind of common metal part processing clamping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19920365A1 (en) * | 1999-05-04 | 2000-11-30 | Emil Stark | Fastening and detachment of workpiece and carrier for precision processing, e.g. machining, employs intervening adhesive layer, forming attachment in accurate registration |
| KR20140001304A (en) * | 2012-06-25 | 2014-01-07 | 씨티에스(주) | Display glass substrate centering device |
| KR101563987B1 (en) * | 2015-08-10 | 2015-11-06 | (주)강림나노텍 | Jig for fixing work piece |
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| CN109352383A (en) | 2019-02-19 |
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Effective date of registration: 20210616 Address after: 523581 Building 1, 255 Changdong Road, Changping Town, Dongguan City, Guangdong Province Patentee after: Dongguan Alpha Electronic Technology Co.,Ltd. Address before: 523000 no.639 Meijing West Road, xiniupi Industrial Zone, Dalang Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN EVERWIN PRECISION TECHNOLOGY Co.,Ltd. |