CN206884215U - A kind of advanced composite material (ACM) friction plate rapid forming mold - Google Patents
A kind of advanced composite material (ACM) friction plate rapid forming mold Download PDFInfo
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- CN206884215U CN206884215U CN201720493451.2U CN201720493451U CN206884215U CN 206884215 U CN206884215 U CN 206884215U CN 201720493451 U CN201720493451 U CN 201720493451U CN 206884215 U CN206884215 U CN 206884215U
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Abstract
A kind of advanced composite material (ACM) friction plate rapid forming mold provided by the utility model, change traditional string data activity core rod pressing, coordinate four post vulcanizers and mould emptier to realize the automated production of formed product and demoulding ejection；Including upper padding plate, upper mold core, upper pre- die core, middle mould, connecting plate, support column, core rod, center ejection core, surrounding ejection core, core top plate, lower mould, lower bolster; especially upper mould, middle mould, core rod, lower mould are split-type design; realize and carry out the automation demoulding with mould emptier; the rapid forming mold is reasonable in design in addition; the shaping of composite friction plate and four post vulcanizers are allow to coordinate realization automation pressing mold shaping; and hardening time is substantially reduced, improve production efficiency and reduce human cost.
Description
Technical field
It the utility model is related to composite production technical field, and in particular to a kind of advanced composite material (ACM) friction plate is quick
Mould.
Background technology
High-strength resin-based composite material friction plate is using polyimides engineering resin as matrix, by adding artificial fibre
The mineral fillers such as dimension, mineral filler, anti-friction composition and improvement auxiliary agent are made by compression molding again through stirring.
Because polyimide resin reaction speed is relatively slow with respect to epoxy etc., conventional design is suppressed using string data activity core rod
Method, its principle are as follows：A mould housing with inner chamber is made first, and for its structure similar to coal stove, bottom is provided with a windowing, lower section
The matched moulds cushion block that can be extracted out before and after one is placed, n core rod is then placed in die cavity, filler is carried out in uppermost core rod,
After curing molding, the movable cushion block of mold bottom is extracted out, with equipment upper flat plate and by frock, mould inside contacted
Multigroup core rod（One group of core rod contains two different mold insert structures）One group of ejection downwards, then placing newly pre- from die cavity upper end
The good core rod of heat, is so carried out continuously curing molding.
The shortcomings that program is that to need to make substantial amounts of core rod standby, when yield is more than 1000, because polyimides produces
Product are required to carry out secondary solidification, and required core rod will be more than 2000, it is seen that the core rod amount needed for this method is very big, Er Qiefu
Laminate article mould therefor steel is more expensive, and gross investment when yield is larger is very big.In addition each product stripping be required to manually or
Product is struck and extruded by specific purpose tool, therefore this method is suitable only for labor hour expense lower ground area.
Utility model content
The purpose of this utility model is to provide a kind of advanced composite material (ACM) friction plate rapid forming mold, to solve string data work
Need to prepare substantial amounts of core rod in moving-mould-core pressing process and the problem of the demoulding can not automate, the problem of production cost is high.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of advanced composite material (ACM) friction plate rapid forming mold, four post vulcanizers and mould emptier is coordinated to use, it is special
Sign is, including lower bolster, lower mould, core rod, core top plate, center ejection core, surrounding ejection core, support column, middle mould, company
Fishplate bar, upper padding plate, upper mold core, upper pre- die core；
The lower bolster is fixed on the lower mobile flat board of four post vulcanizers, and the lower mould is symmetrical arranged and is vertically positioned at institute
State the upper surface both sides of lower bolster, the core rod is placed in the upper end of the lower mould, and the both sides on the lower bolster are symmetrically arranged with
First fixing hole, the lower mould are provided with the second fixing hole, and first fixing hole and second fixing hole are through hole, are told
The both sides of core rod are symmetrically installed with fastening bolt, the fastening bolt, first fixing hole, second fixing hole
Position and size are in matching relationship, and the core rod, the lower bolster and the lower mould coordinate described the by the fastening bolt
One fixing hole, second fixing hole realize being fixedly connected for three, and push-rod hole, the push rod are additionally provided with the lower bolster
Through hole is located at the middle part of the lower bolster；The core top plate be placed on the upper end of the lower bolster and positioned at the lower mould it
Between, the core top plate is provided with support post holes, and the support post holes is through hole, and the support column hole position is in the core top plate
Center；The core rod is provided with surrounding ejection cored hole, center ejection cored hole, the first die cavity and bayonet socket, the card
Mouth is located at the both ends and centre position of the core rod, and the center ejection cored hole is symmetrically positioned in the both sides of the core rod, described
Surrounding ejection cored hole is uniformly located at the surrounding of the center ejection cored hole, and first die cavity is located at the center ejection type
The upper end of core bore, first die cavity are the same center of circle, the structure of first die cavity and production with center ejection cored hole
The structure of product is corresponding relation, and the structure of the center ejection cored hole, aperture eject structure, the aperture of core with the center
Identical, the center ejection core is integral type structure, and the upper end of the center ejection core is rounding frustum structure, in described
The lower end of heart ejection core is cylindrical structure, and the upper end of the center ejection core through center ejection cored hole and is blocked
In hole, the lower end of the center ejection core and the core top plate contact, the structure of the surrounding ejection cored hole, hole
The structure of footpath and the surrounding ejection core, aperture are identical, and the surrounding ejection core be integral type structure, and the surrounding ejects
The upper end of core is rounding frustum structure, and the lower end of the surrounding ejection core is cylindrical structure, and the surrounding ejects core
Upper end is through surrounding ejection cored hole and inlay card is in hole, core top plate described in the lower end of surrounding ejection core connects
Touch；The support column is fixedly mounted on the center of the core rod lower surface, and the support column is cylindrical structure, the branch
The size of dagger, the size of position and the support post holes, position are corresponding relation, and the lower end of the support column passes through the branch
Dagger hole is simultaneously mounted by means of bolts on the lower bolster；The middle mould is arranged on the upper end of the core rod, the middle mould
On be arranged with two the second die cavitys, crossbeam is formed between second die cavity, the crossbeam is located at the interposition of the middle mould
Put, the structure and size of the middle mould and the structure and size of the bayonet socket are matching relationship, and the middle mould inlay card is in the bayonet socket
It is interior；The connecting plate is located at the both sides of the middle mould and the core rod, and the middle mould passes through the connecting plate matched with the core rod
Bolt is closed to achieve a fixed connection；
The upper padding plate is fixedly mounted on the upper mobile flat board of four post vulcanizers, the upper mold core and the upper pre- pressing mold
The upper end of core is respectively and fixedly installed on the upper padding plate, and the upper mold core is located along the same line with the upper pre- die core,
The upper mold core is rectangular parallelepiped structure, and the upper mold core is provided with raised line, and the raised line is located in the upper mold core lower surface
Heart position, the structure of the raised line and the structure of product are corresponding relation, and the upper pre- die core is rectangular parallelepiped structure, it is described on
The lower surface of pre- die core is plane, the upper mold core and the upper pre- die core and second die cavity is matching relationship.
A kind of above-mentioned advanced composite material (ACM) friction plate rapid forming mold, wherein, the position of the support column and the horizontal stroke
The position of beam is upper and lower corresponding relation；
A kind of above-mentioned advanced composite material (ACM) friction plate rapid forming mold, wherein, the upper pre- die core and the upper pad
Thermal insulation board is installed between plate；
A kind of above-mentioned advanced composite material (ACM) friction plate rapid forming mold, wherein, the upper mold core, the upper pre- pressing mold
The equal electrodeposited chromium in surface of core, surrounding ejection core and center ejection core.
The beneficial effects of the utility model are shown：
A kind of advanced composite material (ACM) friction plate rapid forming mold provided by the utility model, change traditional string data activity
Core rod pressing, four post vulcanizers and mould emptier is coordinated to realize the automated production of formed product and demoulding ejection；On wherein
Mould, middle mould, core rod, the split-type design of lower mould, realize and carry out the automation demoulding with mould emptier, while upper mould and core rod
After card clamps design and clamped up and down matched moulds seam straight down, avoid fastening bolt after long-term production loosen or mould and mould between
Cooperation gap become big and cause resin or enhancing fabric to enter, influence the demoulding of product；Especially this is reasonable in design, makes composite wood
Expect that the shaping of friction plate can coordinate with four post vulcanizers and realize automation pressing mold shaping, precompressed is first carried out using upper pre- die core
Blank precompressed is solid, the high-pressure curing that the wear-resisting powder of resin base carries out upper mold core is further filled with, avoids directly being carried out with upper mold core
Pressed surface adhered resin, it is necessary to clear up, wasting manpower and material resources, because the utility model carries out mould on four post vulcanizers at any time
During pressure, the upper and lower side of mould is equipped with heating flat board, accelerates the solidification of product, using quick molded curing of the present utility model into
The time of type is usually 10-20 minutes, is improved more than twice compared to traditional string data molded curing time, substantially increases life
Efficiency is produced, and realizes automated production, reduces human cost.
Brief description of the drawings
Fig. 1 the utility model structure decomposition figures.
Fig. 2 the utility model structure diagrams.
Fig. 3 the utility model A-A is to diagrammatic cross-section.
The schematic top plan view of Fig. 4 the utility model core rods.
The B-B direction diagrammatic cross-section of Fig. 5 the utility model core rods.
The schematic top plan view of mould in Fig. 6 the utility model.
Fig. 7 surrounding ejection core structure schematic diagrames of the present utility model.
The assembling schematic diagram of Fig. 8 the utility model and vulcanizer.
Embodiment
Specific description is made to the utility model below in conjunction with the accompanying drawings.
A kind of advanced composite material (ACM) friction plate rapid forming mold as depicted, coordinates four post vulcanizers and mould emptier
Use, it is characterised in that including lower bolster 100, lower mould 200, core rod 300, core top plate 400, center ejection core 500, four
Week ejection core 600, support column 700, middle mould 800, connecting plate 900, upper padding plate 110, upper mold core 120, upper pre- die core 130；
The lower bolster 100 is fixed on the lower mobile flat board 190 of four post vulcanizers, the lower mould 200 be symmetrical arranged and
The upper surface both sides of the lower bolster 100 are vertically positioned at, the core rod 300 is placed in the upper end of the lower mould 200, the lower bolster
Both sides on 100 are symmetrically arranged with the first fixing hole 101, and the lower mould 200 is provided with the second fixing hole 201, and described first is solid
It is through hole to determine hole 101 and second fixing hole 201, and the both sides of the core rod 300 are symmetrically installed with fastening bolt 301,
The fastening bolt 301, first fixing hole 101, the position of second fixing hole 201 and size are in matching relationship, institute
State core rod 300, the lower bolster 100 and the lower mould 200 by the fastening bolt 301 coordinate first fixing hole 101,
Second fixing hole 201 realizes being fixedly connected for three, and push-rod hole 102, the push rod are additionally provided with the lower bolster 100
Through hole 102 is symmetrically positioned in the middle part of the lower bolster 100；The core top plate 400 be placed on the upper end of the lower bolster 100 and
Between the lower mould 200, the core top plate 400 is provided with support post holes 401, and the support post holes 401 is through hole, institute
State the center that support post holes 401 is located at the core top plate 400；The core rod 300 is provided with surrounding ejection cored hole
302nd, center ejection cored hole 303, the first die cavity 304 and bayonet socket 305, the bayonet socket 305 be located at the core rod 300 both ends and
Centre position, the center ejection cored hole 303 are symmetrically positioned in the both sides of the core rod 300, and the surrounding ejects cored hole 302
The surrounding of the center ejection cored hole 303 is uniformly located at, first die cavity 304 is located at center ejection cored hole 303
Upper end, first die cavity 304 and the center ejection cored hole 303 are the same center of circle, the structure of first die cavity 304
Structure with product is corresponding relation, structure, aperture and the center ejection core 500 of the center ejection cored hole 303
Structure, aperture it is identical, center ejection core 500 be integral type structure, and the upper end of the center ejection core 500 is
Circular cone structure, the lower end of the center ejection core 500 is cylindrical structure, and the upper end of the center ejection core 500 is passed through
Wear the center ejection cored hole 303 and inlay card is in hole, the lower end of the center ejection core 500 and the core top plate
400 contacts, it is identical that the structure of surrounding ejection cored hole 302, aperture and the surrounding eject the structure of core 600, aperture,
The surrounding ejection core 600 is integral type structure, and the upper end of the surrounding ejection core 600 is rounding frustum structure, described
The lower end of surrounding ejection core 600 is cylindrical structure, and the surrounding ejection type is run through in the upper end of the surrounding ejection core 600
Simultaneously in hole, core top plate 400 described in the lower end of the surrounding ejection core 600 contacts inlay card core bore 302；The support column
700 are fixedly mounted on the center of the lower surface of core rod 300, and the support column 700 is cylindrical structure, the support column
700 size, the size of position and the support post holes 401, position are corresponding relation, and the lower end of the support column 700 passes through
The support post holes 401 is simultaneously mounted by means of bolts on the lower bolster 100；The middle mould 800 is arranged on the core rod
300 upper end, the both ends of the middle mould 800 are provided with two the second die cavitys 801, and described two second die cavitys 801 exist as seen from Figure 6
Symmetrical setting on the middle mould 800, forms crossbeam 802 between second die cavity 801, and the crossbeam 802 is located at institute
State the centre position of middle mould 800, the position of the position of the crossbeam 802 and the support column 700 is corresponding relation, the middle mould
800 structure and size and the structure and size of the bayonet socket 305 are matching relationship, and the middle inlay card of mould 800 is in the bayonet socket 305
It is interior；The connecting plate 900 is located at the both sides of the middle mould 800 and the core rod 300, and the middle mould 800 is logical with the core rod 300
The fitted bolt of connecting plate 900 is crossed to achieve a fixed connection；
The upper padding plate 110 is fixedly mounted on the upper mobile flat board 160 of four post vulcanizers, the upper mold core 120 and institute
The upper end for stating pre- die core 130 is respectively and fixedly installed on the upper padding plate 110, the upper mold core 120 and the upper precompressed
Core rod 130 is located along the same line, and the upper mold core 120 is rectangular parallelepiped structure, and the upper mold core 120 is provided with raised line 121, institute
The center that raised line 121 is located at the lower surface of upper mold core 120 is stated, the structure of the raised line 121 and the structure of product are pair
It should be related to, the upper pre- die core 130 is rectangular parallelepiped structure, and the upper surface of the upper pre- die core 130 is additionally provided with thermal insulation board
150, the lower surface of the upper pre- die core 130 is plane, the upper mold core 120 and the upper pre- die core 130 and described the
Two die cavitys 801 are matching relationship.
The both ends of upper padding plate 110 and lower bolster 100 are respectively and fixedly installed to mobile flat board 160 and lower mobile flat board 190
On, mobile flat board 160 can be moved respectively along slide rail 170, and mobile flat board 160 is arranged in the frame of four post vulcanizers, together
When the upper end of upper padding plate 110 and the lower end of lower bolster 100 be also equipped with heat flat board 180.Matched moulds operation is divided into four-stage, the
The workspace for moving up and down flat board 160,190 and moving out vulcanizer is is carried out die-filling charging by one stage respectively；Second stage is
Lower mobile flat board 190 is moved to the workspace i.e. position of electrothermal plate 180 of vulcanizer, upper mobile flat board 160 is shifted in guarantee
The position of the pre- die cavity of die core 130 to the second 801, open the vertical matched moulds of vulcanizer master cylinder and carry out precompressed, blank is compacted, pressed
Mould is automatically opened up after reality, upper pre- die core 130 rises；Phase III, lower mobile flat board 190 remain stationary as, upper mobile flat board
160 displacements ensure the position of the die cavity of upper mold core 120 to the second 801, open the vertical matched moulds of vulcanizer master cylinder and carry out precompressed, will be resistance to
Product is made with blank pressing and forming in mill material；Fourth stage, mould is automatically opened up after formed product, upper mold core 120 rises, under
Mobile flat board 190 removes working position, and coordinates the mould emptier being arranged in vulcanizer frame to carry out automatic demoulding operation, completes
The demoulding of product.
A kind of advanced composite material (ACM) friction plate rapid forming mold provided by the utility model, change traditional string data activity
Core rod pressing, four post vulcanizers and mould emptier is coordinated to realize the automated production of formed product and demoulding ejection；On wherein
Mould, middle mould, core rod, the split-type design of lower mould, realize and carry out the automation demoulding with mould emptier, while upper mould and core rod
After card clamps design and clamped up and down matched moulds seam straight down, avoid fastening bolt after long-term production loosen or mould and mould between
Cooperation gap become big and cause resin or enhancing fabric to enter, influence the demoulding of product；Especially this is reasonable in design, makes composite wood
Expect that the shaping of friction plate can coordinate with four post vulcanizers and realize automation pressing mold shaping, precompressed is first carried out using upper pre- die core
Blank precompressed is solid, the high-pressure curing that the wear-resisting powder of resin base carries out upper mold core is further filled with, avoids directly being carried out with upper mold core
Pressed surface adhered resin, it is necessary to clear up, wasting manpower and material resources, because the utility model carries out mould on four post vulcanizers at any time
During pressure, the upper and lower side of mould is equipped with heating flat board, accelerates the solidification of product, using quick molded curing of the present utility model into
The time of type is usually 10-20 minutes, is improved more than twice compared to traditional string data molded curing time, substantially increases life
Efficiency is produced, and realizes automated production, reduces human cost.
Unless otherwise specified, above-mentioned fixed connection method is by the fasteners such as traditional bolt, nut or weldering
Connect and achieve a fixed connection.
The secondary ejecting mechanism is directed to the characteristics such as composite friction harden structure is special, resin-bonding power is big, will be traditional
Ejection device is changed to the Double-ejection demoulding step by step, incremental, simultaneously as being changed to Double-ejection from once ejection, accordingly
Structural improvement has been carried out to ejection core, the structure with original middle part push rod and 4 small push rods makes into the middle part of one
Push rod because drop in leaf and the pushing method that push rod is engaged fully achieve the side of product and mould progressively separate and
Combination when secondary push rod ejects between product and mould has loosened, it is not necessary to which synchronously force could realize production to multiple push rods
The synchronous ejection of product, avoids once exert a force uneven or mould and product capping caused by product adhesion imbalance, drop
It is low because product stripping it is improper caused by it is bad and loss.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should all cover in the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with
The protection domain of claims is defined.
Claims (4)
1. kind of advanced composite material (ACM) friction plate rapid forming mold, four post vulcanizers and mould emptier is coordinated to use, its feature exists
In, including lower bolster, lower mould, core rod, core top plate, center ejection core, surrounding ejection core, support column, middle mould, connection
Plate, upper padding plate, upper mold core, upper pre- die core；
The lower bolster is fixed on the lower mobile flat board of four post vulcanizers, the lower mould be symmetrical arranged and be vertically positioned at it is described under
The upper surface both sides of backing plate, the core rod are placed in the upper end of the lower mould, and the both sides on the lower bolster are symmetrically arranged with first
Fixing hole, the lower mould are provided with the second fixing hole, and first fixing hole and second fixing hole are through hole, tell core rod
Both sides be symmetrically installed with fastening bolt, the fastening bolt, first fixing hole, the position of second fixing hole
It is in matching relationship with size, the core rod, the lower bolster and the lower mould coordinate described first to consolidate by the fastening bolt
Determine hole, second fixing hole realizes being fixedly connected for three, push-rod hole, the push-rod hole are additionally provided with the lower bolster
Positioned at the middle part of the lower bolster；The core top plate is placed on the upper end of the lower bolster and between the lower mould, institute
State core top plate and be provided with support post holes, the support post holes is through hole, and the support column hole position is in the core top plate
Heart position；The core rod is provided with surrounding ejection cored hole, center ejection cored hole, the first die cavity and bayonet socket, the bayonet socket position
In the both ends of the core rod and centre position, the center ejection cored hole is symmetrically positioned in the both sides of the core rod, the surrounding
Ejection cored hole is uniformly located at the surrounding of the center ejection cored hole, and first die cavity is located at center ejection cored hole
Upper end, first die cavity and the center ejection cored hole are the same center of circle, the structure of first die cavity and product
Structure is corresponding relation, and structure, aperture and the center of the center ejection cored hole eject structure, the aperture phase of core
Together, ejection core in the center be integral type structure, and the upper end that the center ejects core is rounding frustum structure, the center
The lower end for ejecting core is cylindrical structure, and the upper end of the center ejection core is through center ejection cored hole and inlay card
In hole, the lower end of the center ejection core and the core top plate contact, the structure of the surrounding ejection cored hole, aperture
Identical with the surrounding ejection structure of core, aperture, the surrounding ejection core is integral type structure, the surrounding ejection type
The upper end of core is rounding frustum structure, and the lower end of the surrounding ejection core is cylindrical structure, the surrounding ejection core
Upper end is through surrounding ejection cored hole and inlay card is in hole, and core top plate described in the lower end of the surrounding ejection core connects
Touch；The support column is fixedly mounted on the center of the core rod lower surface, and the support column is cylindrical structure, the branch
The size of dagger, the size of position and the support post holes, position are corresponding relation, and the lower end of the support column passes through the branch
Dagger hole is simultaneously mounted by means of bolts on the lower bolster；The middle mould is arranged on the upper end of the core rod, the middle mould
On be arranged with two the second die cavitys, crossbeam is formed between second die cavity, the crossbeam is located at the interposition of the middle mould
Put, the structure and size of the middle mould and the structure and size of the bayonet socket are matching relationship, and the middle mould inlay card is in the bayonet socket
It is interior；The connecting plate is located at the both sides of the middle mould and the core rod, and the middle mould passes through the connecting plate matched with the core rod
Bolt is closed to achieve a fixed connection；
The upper padding plate is fixedly mounted on the upper mobile flat board of four post vulcanizers, the upper mold core and the upper pre- die core
Upper end is respectively and fixedly installed on the upper padding plate, and the upper mold core is located along the same line with the upper pre- die core, described
Upper mold core is rectangular parallelepiped structure, and the upper mold core is provided with raised line, and the raised line is located at the centre bit of the upper mold core lower surface
Put, the structure of the raised line and the structure of product are corresponding relation, and the upper pre- die core is rectangular parallelepiped structure, the upper precompressed
The lower surface of core rod is plane, the upper mold core and the upper pre- die core and second die cavity is matching relationship.
A kind of 2. advanced composite material (ACM) friction plate rapid forming mold according to claim 1, it is characterised in that the branch
The position of dagger and the position of the crossbeam are upper and lower corresponding relation.
3. a kind of advanced composite material (ACM) friction plate rapid forming mold according to claim 1, it is characterised in that on described
Thermal insulation board is installed between pre- die core and the upper padding plate.
4. a kind of advanced composite material (ACM) friction plate rapid forming mold according to claim 1, the upper mold core, it is described on
The equal electrodeposited chromium in surface of pre- die core, surrounding ejection core and center ejection core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720493451.2U CN206884215U (en) | 2017-05-05 | 2017-05-05 | A kind of advanced composite material (ACM) friction plate rapid forming mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720493451.2U CN206884215U (en) | 2017-05-05 | 2017-05-05 | A kind of advanced composite material (ACM) friction plate rapid forming mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206884215U true CN206884215U (en) | 2018-01-16 |
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ID=61341599
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720493451.2U Expired - Fee Related CN206884215U (en) | 2017-05-05 | 2017-05-05 | A kind of advanced composite material (ACM) friction plate rapid forming mold |
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| CN (1) | CN206884215U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849376A (en) * | 2018-12-21 | 2019-06-07 | 四川明日宇航工业有限责任公司 | A kind of half-and-half type composite pipe forming frock and its release method |
| CN110405989A (en) * | 2019-08-31 | 2019-11-05 | 零八一电子集团四川天源机械有限公司 | The molding die of flat type bag shell type antenna house |
-
2017
- 2017-05-05 CN CN201720493451.2U patent/CN206884215U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849376A (en) * | 2018-12-21 | 2019-06-07 | 四川明日宇航工业有限责任公司 | A kind of half-and-half type composite pipe forming frock and its release method |
| CN110405989A (en) * | 2019-08-31 | 2019-11-05 | 零八一电子集团四川天源机械有限公司 | The molding die of flat type bag shell type antenna house |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |