CN105921623A - Wedged mold for guaranteeing aluminum profile outer frame precision - Google Patents
Wedged mold for guaranteeing aluminum profile outer frame precision Download PDFInfo
- Publication number
- CN105921623A CN105921623A CN201610472370.4A CN201610472370A CN105921623A CN 105921623 A CN105921623 A CN 105921623A CN 201610472370 A CN201610472370 A CN 201610472370A CN 105921623 A CN105921623 A CN 105921623A
- Authority
- CN
- China
- Prior art keywords
- block
- section bar
- aluminium section
- facade
- bar housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/04—Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal
Abstract
The invention discloses a wedged mold for guaranteeing aluminum profile outer frame precision. The wedged mold comprises a driving mold block, four driven mold blocks and a base; slide blocks are arranged at the bottoms of the driven mold blocks, and are integrally molded with the driven mold blocks; four chutes are formed in the base; the slide blocks can move in the chutes; the chutes are positioned in four corners of an aluminum profile outer frame to be machined; an included angle between each chute and each vertical surface of the aluminum profile outer frame is 45 degrees; the driving mold block is surrounded by the four driven mold blocks to totally form a cuboid matched with the aluminum profile outer frame to be machined in shape and slightly smaller than the aluminum profile outer frame to be machined in size; and the driving mold block is pushed to realize expansion of the aluminum profile outer frame through moving the four driven mold blocks to four corners of the aluminum profile outer frame. Through design of the wedged mold, the high machining precision of the aluminum profile outer frame can be guaranteed.
Description
Technical field
The present invention relates to field of machining, be specifically related to a kind of Wedge type mould, it can be ensured that aluminium section bar housing is high
Machining accuracy.
Background technology
Product all can propose in actual production process the requirement of machining accuracy, and aluminum profile products aspect is no exception,
In the casting process of some aluminium section bar housings, due to casting itself it cannot guarantee that the highest machining accuracy, typically ± 0.7 ~
Between ± 1.5, and some aluminium section bar housing such as audio amplifier box, some clients can be run into the highest to its requirement on machining accuracy, very
Reach ± 0.3 to requiring, the most how to cast and be all unable to reach the highest machining accuracy, be badly in need of a kind of solution.
Summary of the invention
The technical problem that present invention mainly solves is, it is provided that a kind of Wedge type mould guaranteeing aluminium section bar housing precision.
The technical solution adopted for the present invention to solve the technical problems is: guarantee the Wedge type mould of aluminium section bar housing precision
Tool, including an active mould block, four passive mold block and base, the bottom of described passive mold block arranges slide block, described
Slide block is one-body molded with passive mold block, and described base arranges four chutes, and described slide block can move in chute, described cunning
Groove is positioned at the corner of aluminium section bar housing to be processed, and each facade angle of each chute and aluminium section bar housing is 45 °；Institute
State active mould block to be surrounded by four passive mold block, the length of one and to be processed aluminium section bar housing form fit is integrally formed
Cube, its size is slightly less than aluminium section bar housing to be processed；Described active mould block possesses four oblique facades, and oblique facade is suitable
The facade that the direction of motion of active mould block tilts to active mould block axis, passive mold block possesses and active mould block
The oblique facade joined, realizes four passive mold block and moves to the corner of aluminium section bar housing by pushing active mould block respectively and support
Big aluminium section bar housing.The shape of slide block is essentially cuboid, can arrange in that part near aluminium section bar housing to be processed
In the arc-shaped to coordinate aluminium section bar housing rounding at corner；The shape of chute is mated with slide block, but is slightly larger than in length
The length of slide block, the concrete big degree of depth how much pressed down according to active mould block and the inclined degree of oblique facade and last needs
Housing Size calculation draws.The base mean level of whole mould is arranged, then the projection on base of the aluminium section bar housing is one
Individual rectangle, and the rectangle of a usually rounding, slide block is projected as a rectangle, and this rectangle of slide block on base
The angle of any side of rectangle of projection of center line and aluminium section bar housing be 45 degree.Slide block may be used without solid with passive mold block
The fixed mode connected, the most with bolts etc., but it is preferably mode integrated with passive mold block, so ensure to move
Accurate time dynamic.Certainly, aluminium section bar housing can be the rectangle frame of the both sides openings such as audio amplifier box.The setting of the slide block of 45° angle,
Coordinate active mould block to move to the corner of aluminium section bar rectangle frame with can realizing four passive mold block uniformities and play support
The effect of big whole aluminium section bar housing, and such mode can be in advance by accurately calculating the angle i.e. tilted according to oblique facade
The degree distance that accurately calculating active mould block is pressed down is to reach last required size, and can be improved by the setting of mould
The machining accuracy of whole aluminium section bar housing, can reach ± 0.3 even lower machining accuracy (dimensional accuracy).
As the further improvement of the Wedge type mould that present invention ensure that aluminium section bar housing precision, four of active mould block
Tiltedly arrange and the integrated projection of oblique facade on facade, the oblique facade of passive mold block arranges the groove mated with projection.
Such setting makes active mould block have the track of guiding by inclined-plane when being coordinated with passive mold block and slided, bottom cooperation
Slide block chute further ensures that the process supportting big aluminium section bar housing is reliable and accurate, does not haves passive mold block moving direction
Wander off.
As the further improvement of the Wedge type mould that present invention ensure that aluminium section bar housing precision, tiltedly standing of passive mold block
Arrange and the integrated projection of oblique facade on face, the oblique facade of active mould block arranges the groove mated with projection.Consider
Stand repeatedly bulldozing operation to active mould block, therefore projection is arranged in passive mold block, moreover it is possible to reduce projection by pressure break
Or the probability of deformation.
As the further improvement of the Wedge type mould that present invention ensure that aluminium section bar housing precision, projection is "T"-shaped projection or " L "
Shape projection or trapezoidal projection.The shape of projection can be various, is not limited to above-mentioned three kinds, as long as can guarantee that and pushing active mould block
During, active mould block without departing from passive mold block, is ailhead shape projection such as projection or bottom surface is the cylinder of major arc
Deng.
As the further improvement of the Wedge type mould that present invention ensure that aluminium section bar housing precision, also set up under slide block with sliding
Block bolted guarantor stable sliding block, the guarantor shape of stable sliding block, size are as slide block, and the height sum of slide block and guarantor's stable sliding block is
The degree of depth of chute.Highly top shoe and protect stable sliding block can with equal certainly can also, but slide block and protect stable sliding block be both needed to
In insertion chute, also can arrange a step in the bottom protecting stable sliding block, the shape of step is the guarantor's stable sliding block being slightly exaggerated
Or slide block.Upper and lower two-layer slide block so it is set and is bolted (certainly may be used without other modes to connect), protecting further
Demonstrate,prove stablizing of slip, it is ensured that slide the track closer to design, and is easy to dismounting.
As the further improvement of the Wedge type mould that present invention ensure that aluminium section bar housing precision, under base, it is additionally provided with one
Reinforcement base, is connected by six support columns between base and reinforcement base, is provided with perforation, base and the reinforcement end in the middle of support column
Seat is provided with manhole corresponding to the punch position of support column, and base is bolted to connection with strengthening base.Base is set
It is set to two-layer, it is ensured that the stability of whole mould, prevents occurring that shakiness is even toppled over during pushing active mould block
Deng unexpected.
As the further improvement of the Wedge type mould that present invention ensure that aluminium section bar housing precision, the bottom of active mould block
Being provided with lead integrated with active mould block, the middle part of described base arranges the guiding with lead form fit
Groove.Angle and aluminium section bar housing that the length of lead tilts according to oblique facade reach last required Size calculation and draw.
Lead is in the cross section of horizontal plane for round, and the size of the bottom being smaller in size than active mould block of circle, because declining at lead
Kept off by the bottom of active mould block after bottommost, complete to support the process of big aluminium section bar housing.
As the further improvement of the Wedge type mould that present invention ensure that aluminium section bar housing precision, the top of active mould block
It is provided with pushing cylinder integrated with active mould block.Such being disposed to facilitates bulldozing operation, outwards arranges one
The prominent cylinder that pushes is used for bearing the pushing force of the thrust pieces such as cylinder.Also can will push against cylinder to be arranged to divide with active mould block
The structure of body formula, so can also change after pushing cylinder deformation or damaging.
As the further improvement of the Wedge type mould that present invention ensure that aluminium section bar housing precision, passive mold block is hexahedro
Body, has end face and bottom surface, and end face is parallel with bottom surface, and described slide block is i.e. arranged on bottom surface, and passive mold block also has two
Interior facade and two mutually perpendicular alien invasion, wherein the interior facade with active mould block sliding contact is inclined-plane, in another
Facade and the interior facade of passive mold block that is adjacent against；Described active mould block be shaped as one from two diagonal angles respectively
Cutting the cuboid of triangular prism, the cut rear face formed also is an oblique facade, and oblique facade is the fortune along active mould block
The facade that dynamic direction tilts to active mould block axis.Cut rear shape on the alien invasion of passive mold block and active mould block
Groove (because general audio amplifier cassette interior has the reinforcement of projection) and aluminium section bar housing to be processed are set on the face become
Inner surface configuration mates (due to the general non-square of aluminium section bar housing, for the aluminium section bar housing of cuboid, owing to 45° angle sets
The setting putting chute and the equivalently-sized passive mold block of two alien invasion certainly exists that facade of longer aluminium section bar housing
Mid portion cannot be stretched together, the most just had facade cut on active mould block to be also configured to the side of oblique facade
Formula, so when pushing active mould block, four passive mold block support big aluminium section bar housing, simultaneously the two of active mould block together
The individual facade directly contacted with aluminium section bar housing also supports big aluminium section bar housing；Certainly, in order to more preferably realize the object of the invention, it is possible to
With active mould block aforesaid cut after be respectively provided with again at the facade that formed two pieces of these oblique facades coupling by moving mold
Block, the most so calculates and needs the several passive mold block of accurate guarantee to support big aluminium section bar housing with equal magnitude).Certainly, root
Quantity and the position of groove are set according to the concrete shape of the inner surface of the aluminium section bar housing of concrete processing.Passive mold block is the most not
Must arrange four pieces, simply four pieces is optimal case, it is possible to arranging six pieces or eight pieces etc., correspondingly active mould block possesses six
Individual oblique facade or eight oblique facades realize supportting the purpose of big aluminium section bar housing to be accomplished by pushing active mould block.Action
Cheng Wei: push active mould block by driving means such as cylinders, owing to the passive mold block coordinated with active mould block is by tiltedly
Face and active mould block phase separation, thus push on after active mould block moves downward, passive mold block along base chute to
Sliding in the corner of rectangular shaped rim, plays the effect of the rectangle edge frame made of aluminum profiles of the big outside of support, in advance according to the angle of inclination on inclined-plane
The calculated relationship of the distance pressed down with active mould block and the final size after needing support big can realize the purpose of the present invention.
The present invention ensure that the high manufacturing accuracy of required aluminium section bar housing, can reach ± 0.3 even lower size essence
Degree；And this mould ensure that the process supportting big aluminium section bar housing is reliable, accurately；And design precisely ensures to slide closer to design
Track；The stability of whole mould is high, can be prevented effectively from and occur that shakiness is even toppled over during pushing active mould block
Unexpected；And the present invention considers comprehensively, it is additionally contemplates that the inner surface configuration of aluminium section bar housing to be processed when design.
Accompanying drawing explanation
Fig. 1 is the use view of the Wedge type Die Embodiment one that present invention ensure that aluminium section bar housing precision；
Fig. 2 is the enlarged diagram of one of them passive mold block in Fig. 1；
Fig. 3 is the top view of base in Fig. 1；
Fig. 4 is the use view of the embodiment of the present invention two；
Fig. 5 is the enlarged diagram of one of them passive mold block in Fig. 4；
Fig. 6 is the use view of the embodiment of the present invention three；
Fig. 7 is the enlarged diagram of one of them passive mold block in Fig. 6；
Fig. 8 is the perspective view of the embodiment of the present invention four；
Fig. 9 is that Fig. 8 rotates the schematic diagram after 60 ° counterclockwise along paper vertical pivot；
Figure 10 is the enlarged diagram of dotted line SPL part in Fig. 9；
Figure 11 is the upward view of Fig. 9；
Figure 12 is the right view of Fig. 9；
Figure 13 is the use view after Fig. 8 removes active mould block；
Figure 14 is the structural representation after Figure 13 removes active mould block, passive mold block, aluminium section bar housing；
Figure 15 is the structural representation after Figure 14 removes base；
Figure 16 is the enlarged diagram of one of them passive mold block in Figure 13；
Figure 17 is supine view at the bottom of Figure 16；
Figure 18 is the passive mold block of Figure 17 and protects the view that stable sliding block coordinates.
In figure: 1, active mould block 2, passive mold block 3, base 4, slide block 5, chute 6, aluminium section bar housing 7, tiltedly
Facade 8, projection 9, groove 10, protect stable sliding block 11, strengthen base 12, support column 13, perforation 14, manhole 15,
Lead 16, gathering sill 17, pushing cylinder 18, end face 19, bottom surface 20, interior facade 21, alien invasion.
Detailed description of the invention
Clearly understanding to have the technical characteristic of the present invention, purpose and effect, now comparison accompanying drawing is specifically
The detailed description of the invention of the bright present invention.
Embodiment one:
As shown in Figure 1 to Figure 3, it is ensured that the Wedge type mould of aluminium section bar housing precision, including 1, four quilts of an active mould block
Moving mold block 2 and base 3, the bottom of described passive mold block 2 arranges slide block 4, and described slide block 4 becomes with passive mold block 2 one
Type, described base 3 arranges four chutes 5, and described slide block 4 can move in chute 5, and described chute 5 is positioned at aluminum to be processed
At the corner of section bar housing 6, and each facade angle of each chute 5 and aluminium section bar housing 6 is 45 °；Described active mould block 1
Surrounded by four passive mold block 2, the cuboid of and to be processed aluminium section bar housing 6 form fit, its chi are integrally formed
Aluminium section bar housing 6 to be processed it is slightly less than on very little；Described active mould block 1 possesses four oblique facades 7, and oblique facade 7 is along master
The facade that the direction of motion of moving mold block 1 tilts to active mould block 1 axis, passive mold block 2 possesses and active mould block 1
The oblique facade 7 joined, realizes four passive mold block 2 by pushing active mould block 1 and moves to the corner of aluminium section bar housing 6 respectively
Support big aluminium section bar housing 6.
Embodiment two:
Different from embodiment one are, as shown in Figure 4, Figure 5, four oblique facades 7 of active mould block 1 are arranged and oblique facade
7 integrated projections 8, the oblique facade 7 of passive mold block 2 arranges the groove 9 mated with projection 8.Projection 8 is "T"-shaped convex
Block 8.
Embodiment three:
Different from embodiment one are, as shown in Figure 6, Figure 7, the oblique facade 7 of passive mold block 2 are arranged and oblique facade 7 one
Body formed projection 8, the oblique facade 7 of active mould block 1 arranges the groove 9 mated with projection 8.Projection 8 is trapezoidal projection 8.
Embodiment four:
Different from embodiment three are, as shown in Fig. 8 to Figure 18, slide block also sets up guarantor stable sliding bolted with slide block 4 for 4 times
Block 10, the guarantor shape of stable sliding block 10, size are as slide block 4, and slide block 4 and the height sum protecting stable sliding block 10 are the deep of chute 5
Degree.Base is additionally provided with one for 3 times and strengthens base 11, is connected by six support columns 12, support between base 3 and reinforcement base 11
Being provided with perforation 13 in the middle of post 12, base 3 is provided with manhole 14 with strengthening the base 11 perforation 13 position corresponding to support column 12,
Base 3 and reinforcement base 11 are bolted to connection.The bottom of active mould block 1 is provided with one-body molded with active mould block 1
Lead 15, the middle part of described base 3 arranges the gathering sill 16 with lead 15 form fit.Active mould block 1
Top is provided with pushing cylinder 17 integrated with active mould block 1.Passive mold block 2 is hexahedron, has end face 18 and the end
Face 19, end face 18 is parallel with bottom surface 19, and described slide block 4 is i.e. arranged on bottom surface 19, and passive mold block 2 also has two interior facades
20 and two mutually perpendicular alien invasion 21, wherein the interior facade 20 with active mould block 1 sliding contact is inclined-plane, in another
Facade 20 and the interior facade 20 of passive mold block 2 that is adjacent against；Described active mould block 1 be shaped as one right from two
Angle cuts the cuboid of triangular prism respectively, and the cut rear face formed also is an oblique facade 7, and oblique facade 7 is along active mould
The facade that the direction of motion of tool block 1 tilts to active mould block 1 axis.
Above content is to combine concrete optimal technical scheme further description made for the present invention, it is impossible to assert
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, it is also possible to make some simple deduction or replace, all should be considered as belonging to the present invention's
Protection domain.
Claims (9)
1. guarantee the Wedge type mould of aluminium section bar housing precision, it is characterised in that include an active mould block, four by dynamic model
Tool block and base, the bottom of described passive mold block arranges slide block, and described slide block is one-body molded with passive mold block, described base
On four chutes are set, described slide block can move in chute, and described chute is positioned at the corner of aluminium section bar housing to be processed,
And each facade angle of each chute and aluminium section bar housing is 45 °；Described active mould block is surrounded by four passive mold block,
The cuboid of one and to be processed aluminium section bar housing form fit is integrally formed, its size is slightly less than aluminium section bar to be processed
Housing；Described active mould block possesses four oblique facades, and oblique facade is to active mould along the direction of motion of active mould block
The facade that block axis tilts, passive mold block possesses the oblique facade with active mould Block-matching, real by pushing active mould block
Existing four passive mold block move to the corner of aluminium section bar housing respectively and support big aluminium section bar housing.
The Wedge type mould guaranteeing aluminium section bar housing precision the most according to claim 1, it is characterised in that active mould block
Four oblique facades on arrange and the integrated projection of oblique facade, the oblique facade of passive mold block is arranged and mates with projection
Groove.
The Wedge type mould guaranteeing aluminium section bar housing precision the most according to claim 1, it is characterised in that passive mold block
Oblique facade on arrange with the integrated projection of oblique facade, on the oblique facade of active mould block arrange mate with projection recessed
Groove.
4. according to the Wedge type mould guaranteeing aluminium section bar housing precision described in Claims 2 or 3, it is characterised in that described convex
Block is "T"-shaped projection or " L " shape projection or trapezoidal projection.
The Wedge type mould guaranteeing aluminium section bar housing precision the most according to claim 4, it is characterised in that under described slide block
Also set up guarantor stable sliding block bolted with slide block, protect the shape of stable sliding block, size with slide block as, slide block and guarantor's stable sliding block
Highly sum is the degree of depth of chute.
The Wedge type mould guaranteeing aluminium section bar housing precision the most according to claim 5, it is characterised in that under described base
It is additionally provided with one and strengthens base, connected by six support columns between base and reinforcement base, in the middle of support column, be provided with perforation, the end
Seat and reinforcement base correspond to the punch position of support column and are provided with manhole, and base is bolted even with strengthening base
Connect.
The Wedge type mould guaranteeing aluminium section bar housing precision the most according to claim 1, it is characterised in that described active mould
The bottom of tool block is provided with lead integrated with active mould block, and the middle part of described base is arranged and lead shape
The gathering sill of coupling.
The Wedge type mould guaranteeing aluminium section bar housing precision the most according to claim 1, it is characterised in that described active mould
The top of tool block is provided with pushing cylinder integrated with active mould block.
The Wedge type mould guaranteeing aluminium section bar housing precision the most according to claim 6, it is characterised in that described by dynamic model
Tool block is hexahedron, has end face and bottom surface, and end face is parallel with bottom surface, and described slide block is i.e. arranged on bottom surface, passive mold block
Also there are two interior facades and two mutually perpendicular alien invasion, be wherein oblique with the interior facade of active mould block sliding contact
Face, in another facade and the interior facade of passive mold block that is adjacent against；Described active mould block be shaped as one from
Two diagonal angles cut the cuboid of triangular prism respectively, and the cut rear face formed also is an oblique facade, and oblique facade is along actively
The facade that the direction of motion of mold block tilts to active mould block axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610472370.4A CN105921623B (en) | 2016-06-27 | 2016-06-27 | Ensure the Wedge type mould of aluminium section bar housing precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610472370.4A CN105921623B (en) | 2016-06-27 | 2016-06-27 | Ensure the Wedge type mould of aluminium section bar housing precision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105921623A true CN105921623A (en) | 2016-09-07 |
| CN105921623B CN105921623B (en) | 2017-11-21 |
Family
ID=56829045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610472370.4A Expired - Fee Related CN105921623B (en) | 2016-06-27 | 2016-06-27 | Ensure the Wedge type mould of aluminium section bar housing precision |
Country Status (1)
| Country | Link |
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| CN (1) | CN105921623B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB478540A (en) * | 1935-12-12 | 1938-01-20 | Theodoor Reinier Neutelings | Method and device for restoring to shape the walls of deformed sheet metal boxes andtheir lids |
| GB527453A (en) * | 1938-04-12 | 1940-10-09 | Theodoor Reinier Neutelings | Method and device for restoring to shape the walls of deformed sheet-metal boxes and their lids |
| US3759203A (en) * | 1970-12-30 | 1973-09-18 | Continental Can Co | Container shaping apparatus |
| US3986383A (en) * | 1974-01-02 | 1976-10-19 | Petteys Howard A | Expander tool |
| CN201659175U (en) * | 2010-03-23 | 2010-12-01 | 泉州腾达精铸有限公司 | Shaping device of cast workpiece |
| CN203751042U (en) * | 2014-03-20 | 2014-08-06 | 蚌埠通达汽车零部件有限公司 | Oil tank shaping machine capable of improving shaping stability |
| CN205887826U (en) * | 2016-06-27 | 2017-01-18 | 江阴协圣精密科技有限公司 | Ensure wedge type mould of aluminium alloy frame precision |
-
2016
- 2016-06-27 CN CN201610472370.4A patent/CN105921623B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB478540A (en) * | 1935-12-12 | 1938-01-20 | Theodoor Reinier Neutelings | Method and device for restoring to shape the walls of deformed sheet metal boxes andtheir lids |
| GB527453A (en) * | 1938-04-12 | 1940-10-09 | Theodoor Reinier Neutelings | Method and device for restoring to shape the walls of deformed sheet-metal boxes and their lids |
| US3759203A (en) * | 1970-12-30 | 1973-09-18 | Continental Can Co | Container shaping apparatus |
| US3986383A (en) * | 1974-01-02 | 1976-10-19 | Petteys Howard A | Expander tool |
| CN201659175U (en) * | 2010-03-23 | 2010-12-01 | 泉州腾达精铸有限公司 | Shaping device of cast workpiece |
| CN203751042U (en) * | 2014-03-20 | 2014-08-06 | 蚌埠通达汽车零部件有限公司 | Oil tank shaping machine capable of improving shaping stability |
| CN205887826U (en) * | 2016-06-27 | 2017-01-18 | 江阴协圣精密科技有限公司 | Ensure wedge type mould of aluminium alloy frame precision |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105921623B (en) | 2017-11-21 |
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Inventor after: Dou Xiumei Inventor before: Chen Jian Inventor before: Su Hejun Inventor before: Sang Xiaohu Inventor before: Wang Guoping Inventor before: Zhu Lin Inventor before: Xiao Caiwang Inventor before: Zhu Rencheng Inventor before: Huang Junqiang |
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Granted publication date: 20171121 Termination date: 20190627 |