CN204226383U - A kind of face contact locating stud and manufacture fixture thereof - Google Patents
A kind of face contact locating stud and manufacture fixture thereof Download PDFInfo
- Publication number
- CN204226383U CN204226383U CN201420600122.XU CN201420600122U CN204226383U CN 204226383 U CN204226383 U CN 204226383U CN 201420600122 U CN201420600122 U CN 201420600122U CN 204226383 U CN204226383 U CN 204226383U
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- locating stud
- fixture
- chuck body
- working surface
- guide surface
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Abstract
The utility model provides a kind of face contact locating stud and manufacture fixture, and a side surface of face contact locating stud is provided with fixed groove, and the opposite side of described dowel body is provided with anti-rotation face, working surface, the second guide surface, the first guide surface successively from head to afterbody.Round for general standard locating stud is made into the given shape needed for product design location in mould, be set with fixed groove, can coincide with the projection contacted in press tool, conventional locating pins linear contact lay can be made to become face contact locating stud, increase the area of contact at locating stud and product orientation place, thus can better locate and fix product, prevent product to be shifted, prevent locating stud lateral rotation or axially displaced in mould.The manufacture fixture manufacturing this jig is that this face contact locating stud is formulated specially, can better clamping position pin, is convenient to cut required face, with strong points, greatly shortens process time and reduce cost of production.
Description
Technical field
The utility model relates to a kind of novel locating stud and manufactures the fixture of this locating stud.
Background technique
In the prior art, locating stud is widely used in Automatic manual transmission process, for the location between part, prevents the relative displacement between each part.Standard setting pin due to prior art is all unified general cylinder type shape, is applicable to round orifices orientation, if when coordinating with the plane of miscellaneous part, is difficult to contact laminating completely fixing.Product design fine positioning particularly in press tool, traditional cylinder type locating stud is difficult to surface with it and fits completely, and cause location unreliable, precision is low.Along with the continuous conversion of domestic and international economic situation, create enormous impact for manufacturing industry, how effectively to reduce manufacture cost, increase industry competition ability, improve profit margin, what just become is particularly important.
Utility model patent CN201687822U mentions one " Novel adjusting pin ", this locating stud comprises setting sleeve, positioning pin rod, stage clip, setting sleeve is fixedly connected with cubing, there is the holding cavity in " convex " type structure running through upper and lower two end part its inside, in the holding cavity that positioning pin rod is movably arranged on setting sleeve and its top is stretched out from setting sleeve upper end portion, stage clip is built in the holding cavity of setting sleeve, and its two end part contact cooperation with the bottom of positioning pin rod with stage clip plug screw contact respectively.This locating stud, by tissue, makes it locate more accurate.But the outer surface of this locating stud is still circular arc, be difficult to adapt to the product design fine positioning in our company's press tool.
Model utility content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of face contact locating stud and manufacture fixture, and this face contact locating stud can make that location is more reliable, precision is high, easy to adjust; Another object of the present utility model is to provide a kind of instrument manufacturing this locating stud, accurately can clamp locating stud to be processed fast, solves the problem that this face of processing contact locating stud time is long, operation is difficult.
For achieving the above object and other relevant objects, the utility model provides a kind of face to contact locating stud, comprise dowel body, one side surface of described dowel body is provided with fixed groove, the opposite side of described dowel body is provided with anti-rotation face, working surface, the second guide surface, the first guide surface successively from head to afterbody, step transition between described anti-rotation face and described working surface, seamlessly transit between described working surface, the second guide surface, between described second guide surface and described first guide surface, be provided with constant slope.
Preferably, described fixed groove is the 1/4-1/3 of whole dowel body length to the distance of dowel body head.
Manufacture a manufacture fixture for above-mentioned contact locating stud, comprise anti-rotation face and working surface manufacture fixture, the first guide surface manufacture fixture, the second guide surface manufactures fixture, fixed groove manufactures fixture, working surface adjustment manufacturing fixture.Described anti-rotation face and working surface manufacture anti-rotation face and the working surface that fixture is used for working surface locating stud, described first guide surface manufactures the first guide surface that fixture is used for working surface locating stud, described second guide surface manufactures the second guide surface that fixture is used for working surface locating stud, described fixed groove manufactures the fixed groove that fixture is used for working surface locating stud, and described working surface adjustment manufacturing fixture is for adjusting the working surface of working surface locating stud.
Preferably, described anti-rotation face and working surface manufacture fixture and comprise chuck body one, described chuck body one is provided with the groove of several accommodations be arranged in a row locating stud to be processed, is provided with locking block between two grooves, and described locking block is installed in chuck body one by hexagon socket head cap screw one.
Preferably, described first guide surface manufactures fixture and comprises chuck body one, angular adjustment plate one, the upper surface of described angular adjustment plate one and horizontal plane gradient are 10 °-20 °, the lower surface of described chuck body one and the upper surface of described angular adjustment plate one are fixed, the upper surface of described angular adjustment plate one is also provided with locating stud, described locating stud nestles up chuck body one, and locating stud is used for mounting fixture body one, prevents the displacement of chuck body one on angular adjustment plate one.Chuck body one is provided with the groove of several accommodations be arranged in a row locating stud to be processed, locking block is provided with between two grooves, described locking block is installed in chuck body one by hexagon socket head cap screw one, and described chuck body one is also installed on described angular adjustment plate one by hexagon socket head cap screw two.
Preferably, described second guide surface manufactures fixture and comprises chuck body one, angular adjustment plate two, the upper surface of described angular adjustment plate two and horizontal plane gradient are 2 °-5 °, the lower surface of described chuck body one and the upper surface of described angular adjustment plate two are fixed, the upper surface of described angular adjustment plate two is also provided with locating stud, locating stud nestles up chuck body one, and locating stud is used for mounting fixture body one, prevents the displacement of chuck body one on angular adjustment plate two.Described chuck body one is provided with the groove of several accommodations be arranged in a row locating stud to be processed, locking block is provided with between two grooves, described locking block is installed in chuck body one by hexagon socket head cap screw one, and described chuck body one is also installed on described angular adjustment plate two by hexagon socket head cap screw two.
Preferably, described chuck body one is in cuboid shape, and chuck body one upper surface is provided with eight grooves of the same size, four locking blocks, and two grooves share a locking block.
Preferably, described fixed groove manufactures fixture and comprises chuck body two, described chuck body two is provided with 12 hole slots be arranged in a row, hexagon socket head cap screw one is provided with above each hole slot, the side view of described chuck body two is in " L " type, and the horizontal fuselage of described chuck body two is provided with groove, and the head end of processed product inserts in hole slot, fixed by hexagon socket head cap screw one, the body part of processed product lies in the groove of horizontal fuselage of chuck body two.
Preferably, described working surface adjustment manufacturing fixture comprises chuck body three, described chuck body three is provided with the different groove of three diameters, described groove is provided with cover plate, the one end open part of groove covers by described cover plate, and the two ends of described cover plate are fixed by hexagon socket head cap screw one and chuck body three.
As mentioned above, a kind of face contact locating stud of the present utility model and manufacture fixture thereof, there is following beneficial effect: round for general standard locating stud is made into the given shape needed for product design location in mould, be set with fixed groove, can coincide with the projection contacted in press tool, conventional locating pins linear contact lay can be made to become face contact locating stud, increase the area of contact at locating stud and product orientation place, thus can better locate and fix product, prevent product to be shifted, prevent locating stud lateral rotation or axially displaced in mould.The manufacture fixture manufacturing this jig is that this face contact locating stud is formulated specially, can better clamping position pin, is convenient to cut required face, with strong points, greatly shortens process time and reduce cost of production.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of face contact locating stud.
Fig. 2 is the plan view that anti-rotation face and working surface manufacture fixture.
Fig. 3 is the plan view that anti-rotation face and working surface manufacture fixture.
Fig. 4 is the right elevation that anti-rotation face and working surface manufacture fixture.
Fig. 5 is the plan view that the first guide surface manufactures fixture.
Fig. 6 is the plan view that the first guide surface manufactures fixture.
Fig. 7 is the right elevation that the first guide surface manufactures fixture.
Fig. 8 is the plan view that the second guide surface manufactures fixture.
Fig. 9 is the plan view that the second guide surface manufactures fixture.
Figure 10 is the right elevation that the second guide surface manufactures fixture.
Figure 11 is the plan view that fixed groove manufactures fixture.
Figure 12 is the plan view that fixed groove manufactures fixture.
Figure 13 is the right elevation that fixed groove manufactures fixture.
Figure 14 is the plan view of working surface adjustment manufacturing fixture.
Figure 15 is the plan view of working surface adjustment manufacturing fixture.
Figure 16 is the right elevation of working surface adjustment manufacturing fixture.
Element numbers explanation
2-chuck body one, 21-groove, 22-locking block, 3-locating stud to be processed, 4-hexagon socket head cap screw one, 5-angular adjustment plate one, 6-hexagon socket head cap screw two, 7-locating stud, 8-angular adjustment plate two, 9-chuck body two, 91-hole slot, 10-chuck body three, 101-cover plate, 11-fixed groove, 12-anti-rotation face, 13-working surface, the 14-the second guide surface, the 15-the first guide surface.
Embodiment
By particular specific embodiment, mode of execution of the present utility model is described below, person skilled in the art scholar the content disclosed by this specification can understand other advantages of the present utility model and effect easily.
Refer to Fig. 1 and Figure 16.Notice, structure, ratio, size etc. that this specification institute accompanying drawings illustrates, content all only in order to coordinate specification to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this specification as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in Figure 1, the utility model provides a kind of face to contact locating stud, comprise dowel body, one side surface of dowel body is provided with fixed groove 11, the opposite side of dowel body is provided with anti-rotation face 12, working surface 13, second guide surface 14, first guide surface 15 successively from head to afterbody, step transition between anti-rotation face 12 and working surface 13, seamlessly transits between working surface 13, second guide surface 14, has constant slope between the second guide surface 14 and the first guide surface 15.
As a kind of specific embodiment, fixed groove 11 is the 1/4-1/3 of whole dowel body length to the distance of dowel body head.
The utility model also provides a kind of manufacture fixture manufacturing above-mentioned contact locating stud, as shown in Fig. 2 to Figure 16, comprise anti-rotation face and working surface manufacture fixture, the first guide surface manufacture fixture, the second guide surface manufactures fixture, fixed groove manufactures fixture, working surface adjustment manufacturing fixture.
As shown in Figures 2 to 4, anti-rotation face and working surface manufacture fixture and comprise chuck body 1, chuck body 1 is provided with the groove 21 of several accommodations be arranged in a row locating stud to be processed, be provided with locking block 22 between two grooves 21, locking block 22 is installed in chuck body 1 by hexagon socket head cap screw 1.
As shown in Figures 5 to 7, first guide surface manufactures fixture and comprises chuck body 1, angular adjustment plate 1, the upper surface of angular adjustment plate 1 and horizontal plane gradient are 10 °-20 °, the lower surface of chuck body 1 and the upper surface of angular adjustment plate 1 are fixed, the upper surface of angular adjustment plate 1 is also provided with locating stud 7, locating stud 7 nestles up chuck body 1, and locating stud 7, for mounting fixture body 1, prevents the displacement of chuck body 1 on angular adjustment plate 1.Chuck body 1 is provided with the groove 21 of several accommodations be arranged in a row locating stud to be processed, locking block 22 is provided with between two grooves 21, locking block 22 is installed in chuck body 1 by hexagon socket head cap screw 1, and chuck body 1 is also installed on angular adjustment plate 1 by hexagon socket head cap screw 26.
As shown in Fig. 8 to Figure 10, second guide surface manufactures fixture and comprises chuck body 1, angular adjustment plate 28, the upper surface of angular adjustment plate 28 and horizontal plane gradient are 2 °-5 °, the lower surface of chuck body 1 and the upper surface of angular adjustment plate 28 are fixed, the upper surface of angular adjustment plate 28 is also provided with locating stud 7, locating stud 7 nestles up chuck body one, and locating stud 7, for mounting fixture body one, prevents the displacement of chuck body 1 on angular adjustment plate 28.Chuck body 1 is provided with the groove 21 of several accommodations be arranged in a row locating stud to be processed, locking block 22 is provided with between two grooves 21, locking block 22 is installed in chuck body 1 by hexagon socket head cap screw 1, and chuck body 1 is also installed on angular adjustment plate 28 by hexagon socket head cap screw 26.
Chuck body 1 is in cuboid shape, and chuck body 1 upper surface is provided with eight grooves of the same size, 21, four locking blocks, 22, two grooves 21 and shares a locking block 22.
As shown in Figure 11 to Figure 13, fixed groove manufactures fixture and comprises chuck body 29, chuck body 29 is provided with 12 hole slots be arranged in a row 91, hexagon socket head cap screw 1 is provided with above each hole slot 91, the side view of chuck body 29 is in " L " type, and the horizontal fuselage of chuck body 29 is provided with groove 21, and the head end of processed product inserts in hole slot 91, fixed by hexagon socket head cap screw 1, the body part of processed product lies in the groove 21 of the horizontal fuselage of chuck body 29.
As shown in Figure 14 to Figure 16, working surface adjustment manufacturing fixture comprises chuck body 3 10, chuck body 3 10 is provided with the different groove 21 of three diameters, groove 21 is provided with cover plate 101, the one end open part of groove 21 covers by cover plate 101, and the two ends of cover plate 101 are fixed by hexagon socket head cap screw 1 and chuck body 3 10.
Of the present utility model contact locating stud is reprocessed by the round locating stud of existing conventional criteria and is formed, and its process step is divided into five steps: 1, and anti-rotation face processes; 2, working surface is processed; 3, first guide surface processing; 4, second guide surface processing; 5, fixed groove is processed.Manufacture fixture totally four covers that above manufacturing step is used, are respectively: anti-rotation face and working surface manufacture fixture, the first guide surface manufactures fixture, the second guide surface manufactures fixture, fixed groove manufactures fixture.5th cover is working surface adjustment manufacturing fixture, uses during for adjusting its working surface in the debug process of mould locating stud.
Wherein, anti-rotation face and working surface manufacture fixture use when the anti-rotation face of locating and machining pin and working surface.First guide surface manufactures fixture and uses when the first guide surface of locating and machining pin.Second guide surface manufactures fixture and uses when the second guide surface of locating and machining pin.Fixed groove manufactures fixture and uses when the fixed groove of locating and machining pin.Working surface adjustment manufacturing fixture uses when adjusting the working surface of locating stud.
The operating process that anti-rotation face and working surface manufacture fixture is: unclamp hexagon socket head cap screw one, locating stud to be processed is positioned in the groove of chuck body one, then hexagon socket head cap screw one is tightened, make the side of locking block push down the side of locating stud to be processed, locating stud to be processed cannot freely be rotated in groove.Again anti-rotation face and working surface are manufactured fixture to be positioned over and locating and machining pin treated by grinding machine to carry out grinding, process anti-rotation face and working surface.
The operating process that first guide surface manufactures fixture is: unclamp hexagon socket head cap screw one, the locating stud that previous step is processed is positioned in the groove of chuck body one, then hexagon socket head cap screw one is tightened, the side of locking block is made to push down the side of locating stud to be processed, locating stud to be processed freely cannot be rotated in groove, then anti-rotation face and working surface are manufactured fixture and be positioned over and locating and machining pin treated by grinding machine carry out grinding.Angular adjustment plate one is also comprised because the first guiding manufactures fixture, chuck body one is positioned on angular adjustment plate one, the upper surface of angular adjustment plate one and horizontal plane gradient are 10 °-20 °, so the axis of the first guide surface processed and locating stud has certain angle.
The operating process that second guide surface manufactures fixture is: unclamp hexagon socket head cap screw one, the locating stud that previous step is processed is positioned in the groove of chuck body one, then hexagon socket head cap screw one is tightened, the side of locking block is made to push down the head end of locating stud to be processed, locating stud to be processed freely cannot be rotated in groove, then anti-rotation face and working surface are manufactured fixture and be positioned over and locating and machining pin treated by grinding machine carry out grinding.Angular adjustment plate two is also comprised because the second guiding manufactures fixture, chuck body one is positioned on angular adjustment plate two, the upper surface of angular adjustment plate two and horizontal plane gradient are 2 °-5 °, so the axis of the second guide surface processed and locating stud has less angle.
The operating process that fixed groove manufactures fixture is: unclamp hexagon socket head cap screw one, the head end of locating stud previous step processed inserts in the hole slot of chuck body two, the body part of processed product lies in the groove of horizontal fuselage of chuck body two, then tighten hexagon socket head cap screw one, locating stud to be processed is fixed.Again mounted locating stud to be processed is positioned on milling machine and carries out Milling Process, mill out fixed groove.
The operating process of working surface adjustment manufacturing fixture is: unclamp the hexagon socket head cap screw one on cover plate, the locating stud that previous step is processed is positioned in the groove of chuck body three, then cover with the head of cover plate by locating stud to be processed, tighten the hexagon socket head cap screw one at cover plate two ends, locating stud to be processed is made to be fixed between the groove of cover plate and chuck body three, cannot freely rotate, again mounted locating stud to be processed is positioned on grinding machine and carries out grinding, on request trace adjustment is carried out to working surface.After whole process completes, just produce of the present utility model contact locating stud.
As mentioned above, a kind of face contact locating stud that the utility model provides and manufacture fixture thereof, round for general standard locating stud is made into the given shape needed for product design location in mould, be set with fixed groove, can coincide with the projection contacted in press tool, conventional locating pins linear contact lay can be made to become face contact locating stud, increase the area of contact at locating stud and product orientation place, thus can better locate and fix product, prevent product to be shifted, prevent locating stud lateral rotation or axially displaced in mould.The manufacture fixture manufacturing this jig is that this face contact locating stud is formulated specially, can better clamping position pin, is convenient to cut required face, with strong points, greatly shortens process time and reduce cost of production.So the utility model effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (9)
1. a face contact locating stud, it is characterized in that: comprise dowel body, one side surface of described dowel body is provided with fixed groove, the opposite side of described dowel body is provided with anti-rotation face, working surface, the second guide surface, the first guide surface successively from head to afterbody, step transition between described anti-rotation face and described working surface, seamlessly transit between described working surface, the second guide surface, between described second guide surface and described first guide surface, be provided with constant slope.
2. contact locating stud in a kind of face according to claim 1, is characterized in that: described fixed groove is the 1/4-1/3 of whole dowel body length to the distance of dowel body head.
3. one kind manufactures the manufacture fixture of face contact locating stud, it is characterized in that: comprise anti-rotation face and working surface manufacture fixture, first guide surface manufactures fixture, second guide surface manufactures fixture, fixed groove manufactures fixture, working surface adjustment manufacturing fixture, described anti-rotation face and working surface manufacture anti-rotation face and the working surface that fixture is used for working surface locating stud, described first guide surface manufactures the first guide surface that fixture is used for working surface locating stud, described second guide surface manufactures the second guide surface that fixture is used for working surface locating stud, described fixed groove manufactures the fixed groove that fixture is used for working surface locating stud, described working surface adjustment manufacturing fixture is for adjusting the working surface of working surface locating stud.
4. the manufacture fixture of a kind of contact locating stud according to claim 3, it is characterized in that: described anti-rotation face and working surface manufacture fixture and comprise chuck body one, described chuck body one is provided with the groove of several accommodations be arranged in a row locating stud to be processed, be provided with locking block between two grooves, described locking block is installed in chuck body one by hexagon socket head cap screw one.
5. the manufacture fixture of a kind of contact locating stud according to claim 4, it is characterized in that: described first guide surface manufactures fixture and comprises chuck body one, angular adjustment plate one, the upper surface of described angular adjustment plate one and horizontal plane gradient are 10 °-20 °, the lower surface of described chuck body one and the upper surface of described angular adjustment plate one are fixed, the upper surface of described angular adjustment plate one is also provided with locating stud, described locating stud nestles up chuck body one, chuck body one is provided with the groove of several accommodations be arranged in a row locating stud to be processed, locking block is provided with between two grooves, described locking block is installed in chuck body one by hexagon socket head cap screw one, described chuck body one is also installed on described angular adjustment plate one by hexagon socket head cap screw two.
6. the manufacture fixture of a kind of contact locating stud according to claim 5, it is characterized in that: described second guide surface manufactures fixture and comprises chuck body one, angular adjustment plate two, the upper surface of described angular adjustment plate two and horizontal plane gradient are 2 °-5 °, the lower surface of described chuck body one and the upper surface of described angular adjustment plate two are fixed, the upper surface of described angular adjustment plate two is also provided with locating stud, described chuck body one is provided with the groove of several accommodations be arranged in a row locating stud to be processed, locking block is provided with between two grooves, described locking block is installed in chuck body one by hexagon socket head cap screw one, described chuck body one is also installed on described angular adjustment plate two by hexagon socket head cap screw two.
7. the manufacture fixture of a kind of contact locating stud according to claim 4 or 5 or 6, it is characterized in that: described chuck body one is in cuboid shape, chuck body one upper surface is provided with eight grooves of the same size, four locking blocks, and two grooves share a locking block.
8. the manufacture fixture of a kind of contact locating stud according to claim 7, it is characterized in that: described fixed groove manufactures fixture and comprises chuck body two, described chuck body two is provided with 12 hole slots be arranged in a row, hexagon socket head cap screw one is provided with above each hole slot, the side view of described chuck body two is in " L " type, and the horizontal fuselage of described chuck body two is provided with groove.
9. the manufacture fixture of a kind of contact locating stud according to claim 8, it is characterized in that: described working surface adjustment manufacturing fixture comprises chuck body three, described chuck body three is provided with the different groove of three diameters, described groove is provided with cover plate, the one end open part of groove covers by described cover plate, and the two ends of described cover plate are fixed by hexagon socket head cap screw one and chuck body three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600122.XU CN204226383U (en) | 2014-10-17 | 2014-10-17 | A kind of face contact locating stud and manufacture fixture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600122.XU CN204226383U (en) | 2014-10-17 | 2014-10-17 | A kind of face contact locating stud and manufacture fixture thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204226383U true CN204226383U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420600122.XU Expired - Fee Related CN204226383U (en) | 2014-10-17 | 2014-10-17 | A kind of face contact locating stud and manufacture fixture thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204226383U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358757A (en) * | 2014-10-17 | 2015-02-18 | 金牌模具（常熟）有限公司 | Surface contact positioning pin and manufacturing clamp thereof |
| CN108050141A (en) * | 2017-10-31 | 2018-05-18 | 芜湖普威技研有限公司 | Improved battery pack fixture anti-rotation locating pin structure |
-
2014
- 2014-10-17 CN CN201420600122.XU patent/CN204226383U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358757A (en) * | 2014-10-17 | 2015-02-18 | 金牌模具（常熟）有限公司 | Surface contact positioning pin and manufacturing clamp thereof |
| CN104358757B (en) * | 2014-10-17 | 2016-08-24 | 金牌模具（常熟）有限公司 | A kind of face contact alignment pin and manufacture fixture thereof |
| CN108050141A (en) * | 2017-10-31 | 2018-05-18 | 芜湖普威技研有限公司 | Improved battery pack fixture anti-rotation locating pin structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20181017 |
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| CF01 | Termination of patent right due to non-payment of annual fee |