CN109807239A - The flange mold of three caves processing - Google Patents
The flange mold of three caves processing Download PDFInfo
- Publication number
- CN109807239A CN109807239A CN201910150026.7A CN201910150026A CN109807239A CN 109807239 A CN109807239 A CN 109807239A CN 201910150026 A CN201910150026 A CN 201910150026A CN 109807239 A CN109807239 A CN 109807239A
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- mold
- caster
- male
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- 235000019994 cava Nutrition 0.000 title claims abstract description 15
- 238000000465 moulding Methods 0.000 claims abstract description 33
- 238000004080 punching Methods 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The invention discloses the flange molds of three caves processing, it is related to disposal molding technical field of mold, common flange molding die is solved in the profile of workpieces processing different location, it needs separately different equipment to carry out operation, period can increase there is a situation where the set-up time due to caused by installing and remove, its key points of the technical solution are that, including male template and caster, male template is equipped with guide sleeve close to the side of caster, the first guide post is equipped in guide sleeve, male template is fixedly connected with caster by the first guide post, quantity is installed between male template and caster and is at least two secondary single molding dies, single molding die includes the first mold and the second mold, reach the disposal molding that three workpiece are completed with single punching press, in order to improve the processing efficiency of equipment, directly reduce the mesh of production equipment additionally put into 's.
Description
Technical field
The present invention relates to disposal molding technical field of mold, in particular to the flange molds of three caves processing.
Background technique
Flange is called ring flange or flange, is to make part interconnected between two neighboring pipe fitting, also has used in equipment
Flange in inlet and outlet, for the connection between two equipment, such as speed reducer flange.Flanged joint or bump joint, refer to by
Flange, gasket and bolt three are connected with each other the releasable connection as one group of combined sealing structure.Existing flange molding mold
In the profile of workpieces processing different location, separately different equipment is needed to carry out operation, during which can occur due to installation with
The case where removing the caused set-up time and increase, and then lead to equipment processing efficiency is low, shadow is caused to the manufacturing of factory
It rings.
Summary of the invention
The object of the present invention is to provide the flange molds of three caves processing, complete the disposable of three workpiece with single punching press
Molding, in order to improve the processing efficiency of equipment, the advantages of directly reducing the additional investment of production equipment.
Above-mentioned technical purpose of the invention has the technical scheme that the flange mold of three caves processing,
Including male template and caster, the male template is equipped with guide sleeve close to the end face of caster, is equipped with the first guide post, institute in guide sleeve
It states male template and is slidably connected by the first guide post with caster, quantity is installed between the male template and caster and is at least one
Secondary single molding die, single molding die include the first mold and the second mold；
First mold include the first male model and the first master mold, first male model by being fixed in male template,
First master mold is fixed on caster, and second be interspersed in the first master mold is evenly equipped between the first male model and the first master mold
Guide post, interior the first mold core being equipped with for installing workpiece of first master mold, first male model is close to the end of the first mold core
Equipped with the first staking punch to match；
Second mold includes the second male model, the first limit plate and the second master mold for fixing workpiece, and second is public
Mould is fixed on male template and is located at the same side of male template with the first male model, along public affairs between second male model and the second master mold
The fastening direction of template and caster is equipped with third guide post, and second male model is slidably connected on the outer wall of third guide post, institute
It states the first limit plate to be slidably connected between the second male model and the second master mold by third guide post, second male model is along male model
The fastening direction of plate and caster is equipped with the second staking punch perpendicular to the second master mold end face, and first limit plate is equipped with can
For the punching press through-hole that the second staking punch passes through, the end face of the second master mold is equipped with along the fastening direction of male template and caster to be used for
Molding second mold core, the second mold core are equipped with thimble along the fastening direction of male template and caster.
By using above-mentioned technical proposal, male template is fixedly connected with caster by guide post, the first mold and the second mould
Have while being installed between male template and caster, flange workpiece single process may make to complete the molding of two workpiece, so as to
In the processing efficiency for improving equipment, directly reduce the additional investment of production equipment.Single molding die can also reduce adjacent
The production cost of transmitting workpiece between two processes, in order to improve the processing efficiency of factory.First by flange work to be processed
Part is installed to the processing of completion first step in the first mold core；The flange workpiece that will complete first step processing is installed simultaneously to the
In two mold cores；Being then turned on stamping equipment drives the first male model mobile, and the first staking punch is moved under the driving of the first male model
It is in contact with flange workpiece, flange workpiece is deformed under the action of the first staking punch until being affixed with the first mold core at this time
It closes；Secondly, the second male model being similarly positioned in male template is moved under the action of male template and is in contact with flange workpiece, similarly
Ground deforms positioned at the flange workpiece of the station under the action of the second staking punch until fitting with the second mold core；Finally
Flange workpiece on first mold core is directly taken out, the flange workpiece on the second mold core is completed to demould by thimble.
The further setting of the present invention, first mold core include successively setting along the fastening direction of male template and caster
The first drift slot and first through hole set, the first through hole are connected with the first drift slot.
By using above-mentioned technical proposal, first through hole and the first drift slot can be such that flange workpiece is formed and its patch that matches
The outer profile of conjunction, with the machine-shaping for the first mold.
The further setting of the present invention, first drift slot is circular platform type and cone angle is 10 to 20 degree, the first drift slot
One end internal diameter close to first through hole is greater than other end internal diameter.
By using above-mentioned technical proposal, it can both be convenient for the molding of workpiece, it can also be convenient for the speed of raising workpiece demoulding.
The further setting of the present invention, second mold core include being arranged along the fastening direction of male template and caster
Second drift slot and the second through-hole, the second through-hole are connected with the second drift slot.
By using above-mentioned technical proposal, the second drift slot can be used for being installed on the molding of workpiece on the second mold core, flange
Deformation occurs under the action of the second staking punch for workpiece until the inner wall with the second drift slot fits, and then is convenient for the second mold
Molding.
The further setting of the present invention, second master mold offer location hole, positioning hole close to the end face of caster
Covering is evenly equipped with quantity at least two and is fixed on the positioning column on caster.
By using above-mentioned technical proposal, positioning column can be used for positioning of second master mold on caster, the second caster
It is covered on positioning column by location hole, in order to improve installation and positioning of second master mold on caster, and then is shortened
The time of installation.
The further setting of the present invention, the single molding die further include third mold, and third mold includes being fixed on
Third male model, the second limit plate in male template and the third master mold being fixed on caster, the third male model and third
It is equipped with the 4th guide post along the fastening direction of male template and caster between master mold, the third male model is slidably connected to the 4th and leads
On the outer wall of column, second limit plate is slidably connected between third male model and third master mold by the 4th guide post, and described
The end face of three master molds is equipped with third mold core along the fastening direction of male template and caster.
By using above-mentioned technical proposal, the third mold between male template and caster can be convenient for stamping equipment list
The processing of third workpiece is completed in secondary molding, and the 4th guide post is for third male model axially along toward the direction close to third master mold
Mobile, third mold core is used for the molding of workpiece.
The further setting of the present invention, the horizontal plane along male template and the fastening direction of caster of the third mold core
In quadrangle.
By using above-mentioned technical proposal, it can be used for the punch forming of flange workpiece in the third mold core of quadrangle.
The further setting of the present invention is equipped with end in first male model and the first limit plate and contacts at male template side
First elastic component of face and quantity at least two.
By using above-mentioned technical proposal, the first elastic component is used to drive the elasticity of the first male model completed after machine-shaping
It resets, in order to improve the installation and removal speed of mold, and then improves the processing efficiency of mold.
The further setting of the present invention is respectively and fixedly provided with end in first master mold and contacts at caster side and quantity extremely
It is less two the second elastic components.
By using above-mentioned technical proposal, the second elastic component is used to drive the elasticity of the second male model completed after machine-shaping
It resets, in order to improve the installation and removal speed of mold, and then improves the processing efficiency of mold.
The minimum spacing of the further setting of the present invention, first mold and the second mold is less than 10mm.
By using above-mentioned technical proposal, the minimum spacing of the first mold and the second mold, which is less than 10mm, may make the first mould
Tool is more nearly with the second mold, both can be convenient for raising male model by being evenly distributed with to the first mold and the reasonable of the second die location
The structural rigidity of plate can be also convenient for reducing mold integrally occupied space.
In conclusion the invention has the following advantages:
1, the disposal molding that three workpiece are completed in single punching press directly subtracts in order to improve the processing efficiency of equipment
The additional investment of production equipment is lacked；
2, the production cost of transmitting workpiece between two neighboring process can be also reduced, in order to improve the processing effect of factory
Rate；
3, there is reasonable position distribution and structural rigidity, in order to improve the service life of die ontology.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the top view in the present embodiment；
Fig. 3 is the cross-sectional view in the face B-B in Fig. 2；
Fig. 4 is the cross-sectional view in the face C-C in Fig. 2；
Fig. 5 is the cross-sectional view in the face A-A in Fig. 2；
Fig. 6 is the structural schematic diagram of quadrangle in the present embodiment.
Appended drawing reference: 1, male template；2, caster；3, guide sleeve；4, the first guide post；5, single molding die；6, the first mould
Tool；61, the first male model；62, the first master mold；63, the second guide post；64, the first mold core；641, the first drift slot；642, first is logical
Hole；65, the first staking punch；7, the second mold；71, the second male model；72, the second master mold；73, third guide post；74, the second mold core；
741, the second drift slot；742, the second through-hole；75, the second staking punch；76, the first limit plate；77, punching press through-hole；78, thimble；
8, third mold；81, third male model；82, third master mold；83, the second limit plate；84, the 4th guide post；85, third mold core；86,
Quadrangle；9, fastener；10, location hole；11, positioning column；12, the first elastic component；13, the second elastic component.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
The flange mold of three caves processing, as shown in Figure 1, including male template 1 and caster 2, male template 1 is close to caster 2
Side be equipped with guide sleeve 3, the first guide post 4 is equipped in guide sleeve 3, male template 1 passes through the first guide post 4 with caster 2 and is fixedly connected.
Male template 1 is slidably connected by the first guide post 4 with caster 2.It is one secondary that quantity is equipped between male template 1 and caster 2
Single molding die 5, single molding die 5 include the first mold 6, the second mold 7 and third mold 8, single molding die 5
The production cost of transmitting workpiece between two neighboring process can be also reduced, in order to improve the processing efficiency of factory.First mold 6
It is installed between male template 1 and caster 2 simultaneously with the second mold 7, flange workpiece single process may make to complete two workpiece
Molding directly reduce the additional investment of production equipment in order to improve the processing efficiency of equipment, and then reduce factory
Manufacturing cost.
As shown in Figure 2, Figure 3 and Figure 4, the first mold 6 includes the first male model 61 and the first master mold 62, and the first male model 61 is logical
It crosses fastener 9 to be fixed in male template 1, the first master mold 62 is fixed on caster 2 by fastener 9, and fastener 9 is bolt pair
Combination.The second guide post 63 of the first master mold 62 is uniformly interspersed between first male model 61 and the first master mold 62.First master mold 62
Inside is equipped with the first mold core 64 for installing workpiece.
First mold core 64 include fastened along male template 1 and caster 2 the first drift slot 641 that direction is set gradually and
First through hole 642, the first drift slot 641 are the trapezoidal hollow round table structure in section, and the first drift slot 641 is circular platform type and cone
Angle is 10 to 20 degree, and the first drift slot 641 is greater than other end internal diameter close to one end internal diameter of first through hole 642.First through hole 642
It is connected with the first drift slot 641, the diameter of first through hole 642 and the first drift slot 641 are far from 65 end of the first staking punch
Diameter is identical.First male model 61 is equipped with matched first staking punch 65, the first punching press close to the end of the first mold core 64
First 65 are axially evenly equipped with the through-hole structure that quantity is three, the pressure generated when contacting in order to reduce with flange workpiece.
Second mold 7 include the second male model 71, the first limit plate 76 and the second master mold 72 for fixing workpiece, first
Limit plate 76 is the common stripper plate of mould applications.Second male model 71 is fixed in male template 1 by fastener 9, the second male model
71 and second are equipped with third guide post 73, the sliding of the second male model 71 along the fastening direction of male template 1 and caster 2 between master mold 72
It is connected on the outer wall of third guide post 73.First limit plate 76 is slidably connected to the second male model 71 and second by third guide post 73
Between master mold 72.
The side of second male model 71 is equipped with the second staking punch 75, the second punching along the fastening direction of male template 1 and caster 2
Pressure head 75 is the boss structure to match with the second mold core 74.First limit plate 76 is equipped with and passes through for the second staking punch 75
Punching press through-hole 77, the second staking punch 75 may pass through punching press through-hole 77 until contacting on workpiece under the pressure effect of male template 1.
The end face of second master mold 72 is equipped with along the fastening direction of male template 1 and caster 2 and is used for molding second mold core 74, the second mould
Core 74 is equipped with thimble 78 along the fastening direction of male template 1 and caster 2.
Second mold core 74 includes the second drift slot 741 for fastening direction setting and the along male template 1 and caster 2
Two through-holes 742, the second through-hole 742 are connected with the second drift slot 741.Second drift slot 741 can be used for being installed on the second mold core
The molding of workpiece on 74, deformation occurs under the action of the second staking punch 75 for flange workpiece until in the second drift slot 741
Wall fits, and then is convenient for the molding of the second mold 7.The minimum spacing of first mold 6 and the second mold 7 is less than 10mm, can make
It obtains the first mold 6 to be more nearly with the second mold 7, by both may be used to the reasonable uniformly distributed of 7 position of the first mold 6 and the second mold
Convenient for improving the structural rigidity of male template 1, can also be convenient for reducing mold integrally occupied space.
Second master mold 72 offers location hole 10 close to the end face of caster 2, and covering is evenly equipped with quantity extremely in location hole 10
The positioning column 11 for being less two and being fixed on caster 2.Positioning column 11 can be used for the second master mold 72 to be determined on caster 2
Position.Second master mold, 72 plate 2 is covered on the positioning column 11 on caster 2 by location hole 10, in order to improve the second master mold
72 installation and positioning on caster 2, and then shorten the time of installation.
As shown in Figures 2 and 3, end is respectively and fixedly provided in the first male model 61 and the first limit plate 76 contact at 1 side of male template
First elastic component 12 of face and quantity at least two is uniformly fixed in first master mold 62 and contacts at 2 side of caster and number
Second elastic component 13 of amount at least two.First elastic component 12 and the second elastic component 13 are the common metal elastic of mould applications
Spring, in the present embodiment, the first elastic component 12 are evenly equipped with 8 around the central axes of male template 1, and the second elastic component 13 is around master mold
The central axes of plate 2 are evenly equipped with 8.First elastic component 12 is used to drive the elasticity after the completion machine-shaping of the first male model 61 multiple
Position, the second elastic component 13 is used to drive the elastic reset of the second male model 71 completed after machine-shaping, in order to improve mold
Installation and removal speed, and then improve the processing efficiency of mold.
As shown in Figure 5 and Figure 6, single molding die 5 further includes third mold 8, and third mold 8 includes being fixed on male template
Third male model 81, the second limit plate 83 and the third master mold 82 being fixed on caster 2, third male model 81 and third on 1
Fastening direction between master mold 82 along male template 1 and caster 2 is equipped with the 4th guide post 84, and third male model 81 is slidably connected to the
On the outer wall of four guide posts 84, the second limit plate 83 by the 4th guide post 84 be slidably connected to third male model 81 and third master mold 82 it
Between, the end face of third master mold 82 is equipped with third mold core 85 along the fastening direction of male template 1 and caster 2.Third mold 8 can be just
The processing for completing third workpiece is formed in stamping equipment single, the 4th guide post 84 leans on for third male model 81 is past axially along
The direction of nearly third master mold 82 is mobile, and third mold core 85 is axially equipped with the quadrangle 86 to match with workpiece, quadrangle 86
For the through-hole structure being rounded down along the horizontal plane for fastening direction in equilateral parallelogram 86 and quadrangle, fastening direction is
With the axial identical direction of guide post.
Operating condition and principle: first by flange workpiece to be processed install to complete in the first mold core 64 first step plus
Work；The flange workpiece for completing first step processing is installed to the second mold core 74 simultaneously, flange workpiece is installed to third mould
In core 85；Stamping equipment is then turned on to drive the first male model 61 to move in the axial direction, the first staking punch 65 is in the first male model 61
Driving under be moved to and be in contact with flange workpiece, at this time flange workpiece deform under the action of the first staking punch 65 until
It fits with the first mold core 64；Secondly, the second male model 71 being similarly positioned in male template 1 is moved under the action of male template 1
It is in contact with flange workpiece, similarly, deforms under the action of the second staking punch 75 directly positioned at the flange workpiece of the station
Extremely fit with the second mold core 74；Again, the workpiece on third mold core 85 completes processing and forming；Finally by the first mold core 64
And the flange workpiece on third mold core 85 takes out, and the flange workpiece on the second mold core 74 is completed demoulding by thimble 78.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. the flange mold of three caves processing, including male template (1) and caster (2), the male template (1) is close to caster (2)
End face be equipped with guide sleeve (3), is equipped with the first guide post (4) in guide sleeve (3), the male template (1) passes through the first guide post (4) and female
Template (2) is slidably connected, which is characterized in that is equipped with quantity between the male template (1) and caster (2) and is at least a pair
Single molding die (5), single molding die (5) include the first mold (6) and the second mold (7)；
First mold (6) includes the first male model (61) and the first master mold (62), and first male model (61) passes through fixation
In on male template (1), first master mold (62) is fixed on caster (2), the first male model (61) and the first master mold (62) it
Between be evenly equipped with the second guide post (63) being interspersed in the first master mold (62), be equipped in first master mold (62) for installing workpiece
The first mold core (64), first male model (61) is equipped with the first staking punch for matching close to the end of the first mold core (64)
(65)；
Second mold (7) includes the second male model (71), the first limit plate (76) and the second master mold for fixing workpiece
(72), the second male model (71) is fixed on male template (1) and is located at the same side of male template (1) with the first male model (61), and described
Third guide post is equipped with along the fastening direction of male template (1) and caster (2) between two male models (71) and the second master mold (72)
(73), second male model (71) is slidably connected on the outer wall of third guide post (73), and first limit plate (76) passes through the
Three guide posts (73) are slidably connected between the second male model (71) and the second master mold (72), and second male model (71) is along male template
(1) the second staking punch (75) perpendicular to the second master mold (72) end face, first limit are equipped with the fastening direction of caster (2)
Position plate (76) is equipped with the punching press through-hole (77) passed through for the second staking punch (75), and the end face of the second master mold (72) is along male model
The fastening direction of plate (1) and caster (2), which is equipped with, is used for molding second mold core (74), and the second mold core (74) is along male template
(1) thimble (78) are equipped with the fastening direction of caster (2).
2. the flange mold of three caves processing according to claim 1, which is characterized in that first mold core (64) includes edge
The first drift slot (641) that sets gradually of fastening direction and first through hole (642) of male template (1) and caster (2), institute
First through hole (642) is stated to be connected with the first drift slot (641).
3. the flange mold of three cave according to claim 2 processing, which is characterized in that first drift slot (641) is
Circular platform type and cone angle are 10 to 20 degree, and one end internal diameter of the first drift slot (641) close to first through hole (642) is greater than in the other end
Diameter.
4. the flange mold of three caves processing according to claim 1, which is characterized in that second mold core (74) includes edge
The second drift slot (741) and the second through-hole (742) for fastening direction setting of male template (1) and caster (2), second is logical
Hole (742) is connected with the second drift slot (741).
5. the flange mold of three caves processing according to claim 1, which is characterized in that second master mold (72) is close to female
The end face of template (2) offers location hole (10), and covering is evenly equipped with quantity at least two and is fixed on mother in location hole (10)
Positioning column (11) in template (2).
6. the flange mold of three caves processing according to claim 1, which is characterized in that the single molding die (5) is also
Including third mold (8), third mold (8) includes third male model (81), the second limit plate (83) being fixed on male template (1)
And it is fixed on the third master mold (82) on caster (2), along public affairs between the third male model (81) and third master mold (82)
The fastening direction of template (1) and caster (2) is equipped with the 4th guide post (84), and the third male model (81) is slidably connected to the 4th and leads
On the outer wall of column (84), second limit plate (83) is slidably connected to third male model (81) and third by the 4th guide post (84)
Between master mold (82), the end face of the third master mold (82) is equipped with third along the fastening direction of male template (1) and caster (2)
Mold core (85).
7. the flange mold of three cave according to claim 6 processing, which is characterized in that the third mold core (85) along
The horizontal plane in the fastening direction of male template (1) and caster (2) is in quadrangle (86).
8. the flange mold of three caves processing according to claim 1, which is characterized in that first male model (61) and first
The first elastic component (12) that end contacts at male template (1) side and quantity at least two is equipped in limit plate (76).
9. the flange mold of three caves processing according to claim 1, which is characterized in that solid in first master mold (62)
There is end to contact at the second elastic component (13) of caster (2) side and quantity at least two surely.
10. the flange mold of three caves processing according to claim 1, which is characterized in that first mold (6) and second
The minimum spacing of mold (7) is less than 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910150026.7A CN109807239B (en) | 2019-02-28 | 2019-02-28 | Flange die for three-hole machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910150026.7A CN109807239B (en) | 2019-02-28 | 2019-02-28 | Flange die for three-hole machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109807239A true CN109807239A (en) | 2019-05-28 |
| CN109807239B CN109807239B (en) | 2024-04-16 |
Family
ID=66607768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910150026.7A Active CN109807239B (en) | 2019-02-28 | 2019-02-28 | Flange die for three-hole machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109807239B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000343144A (en) * | 1999-06-04 | 2000-12-12 | Denso Corp | Manufacture of press molding |
| CN103212630A (en) * | 2012-01-19 | 2013-07-24 | 三星电子株式会社 | Press die for simultaneous forming of bending and curling |
| WO2014048092A1 (en) * | 2012-09-28 | 2014-04-03 | 机械科学研究总院先进制造技术研究中心 | Manufacturing method and device for automobile spring seat |
| CN109093938A (en) * | 2018-08-03 | 2018-12-28 | 昆山弘正电子科技有限公司 | Glass light guide plate injection mold and light guide plate Shooting Technique |
| CN209849680U (en) * | 2019-02-28 | 2019-12-27 | 广东南海昌和模具有限公司 | Flange mould of three cave processing |
-
2019
- 2019-02-28 CN CN201910150026.7A patent/CN109807239B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000343144A (en) * | 1999-06-04 | 2000-12-12 | Denso Corp | Manufacture of press molding |
| CN103212630A (en) * | 2012-01-19 | 2013-07-24 | 三星电子株式会社 | Press die for simultaneous forming of bending and curling |
| WO2014048092A1 (en) * | 2012-09-28 | 2014-04-03 | 机械科学研究总院先进制造技术研究中心 | Manufacturing method and device for automobile spring seat |
| CN109093938A (en) * | 2018-08-03 | 2018-12-28 | 昆山弘正电子科技有限公司 | Glass light guide plate injection mold and light guide plate Shooting Technique |
| CN209849680U (en) * | 2019-02-28 | 2019-12-27 | 广东南海昌和模具有限公司 | Flange mould of three cave processing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109807239B (en) | 2024-04-16 |
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