CN104526979B - Four mould of internal thread end cap drives synchronous forming combinatorial injection molding mold and processing method - Google Patents
Four mould of internal thread end cap drives synchronous forming combinatorial injection molding mold and processing method Download PDFInfo
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- CN104526979B CN104526979B CN201410768451.XA CN201410768451A CN104526979B CN 104526979 B CN104526979 B CN 104526979B CN 201410768451 A CN201410768451 A CN 201410768451A CN 104526979 B CN104526979 B CN 104526979B
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 20
- 238000001746 injection moulding Methods 0.000 title claims abstract description 14
- 238000003672 processing method Methods 0.000 title abstract description 5
- 238000002347 injection Methods 0.000 claims abstract description 38
- 239000007924 injection Substances 0.000 claims abstract description 38
- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims description 42
- 238000001816 cooling Methods 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
- B29C2045/2709—Gates with a plurality of mould cavity inlets in close proximity
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of four mould of internal thread end cap driving synchronous forming combinatorial injection molding molds and processing method, quiet template inner coaxial to be fixed with quiet die holder, which is fixed with quiet mould；The outer middle side part of moving platen is formed with the spindle hole for being connect with hydraulic cylinder guide rod, and dynamic model seat is fixedly mounted on the inside of moving platen, and dynamic model seat middle inside insertion is fixed with dynamic model；Quiet template is opposite with moving platen to be fastened, the joint surface of dynamic model and quiet mould forms injection die cavities, in dynamic model system corresponding with quiet mould, there are four injection die cavities, four injection die cavities are symmetrically distributed on the middle part of dynamic model and quiet mould, a rotation tringle is coaxially installed in the injection die cavities of each quiet mould, which is driven by synchronous drive device and rotated synchronously.The simple structure and reasonable design, high in machining efficiency of the present invention, service life simple in structure is long, and the stability of structure is good, and machining accuracy is high, and convenient for demoulding, promotes processing efficiency, applied widely, and processing quality is effectively ensured.
Description
Technical field
The invention belongs to vehicle-mounted accessory processing mold field, especially a kind of four mould of internal thread end cap drives synchronous forming group
Close injection mold and processing method.
Background technology
Automobile engine is the important workpiece of automobile, and the requirement on machining accuracy of parts is very high.With automobile
The order volume of industrial expansion, aftermarket product is also significantly increased, and existing processing mold has been unable to reach the quality of production requirement
And efficiency.Existing mold has the following problems：Machining accuracy is low, and workpiece needs to carry out secondary operation, and machining accuracy is inconsistent；It opens
Moulding/demoulding effect is bad, or even can disfiguring workpiece；Independent processing efficiency is low, and cause wastage of material in running channel compared with
It is more.
Invention content
It is an object of the invention in place of overcome the deficiencies in the prior art, provide a kind of simple in structure, easy to process, design
Rationally, four mould of internal thread end cap easy to use drives synchronous forming combinatorial injection molding mold.
The present invention solves its technical problem and following technical scheme is taken to realize：
A kind of four mould of internal thread end cap drives synchronous forming combinatorial injection molding mold, including quiet template, quiet die holder, quiet mould, dynamic
Template, dynamic model seat, dynamic model and injection die cavities, quiet template outside are packed in rack, and quiet template inner coaxial is fixed with quiet mould
Seat, the quiet die holder middle inside insertion are fixed with quiet mould；The outer middle side part of moving platen is formed with the master for being connect with hydraulic cylinder guide rod
Axis hole, moving platen inside are fixedly mounted with dynamic model seat, and dynamic model seat middle inside insertion is fixed with dynamic model；Quiet template button opposite with moving platen
It closes, the joint surface of dynamic model and quiet mould forms injection die cavities, and cooling tube is formed in the mold cavity periphery of dynamic model and quiet mould, special
Sign is：In dynamic model system corresponding with quiet mould there are four injection die cavities, which is symmetrically distributed on dynamic model and quiet mould
Middle part is coaxially installed with a rotation tringle in the injection die cavities of each quiet mould, which passes through synchronous driving dress
Drive is set to rotate synchronously.
Moreover, the dynamic model center is formed with the injection hole being connect with raw material implanter, which is connected to both lateral sides
Running channel, the both sides running channel are separately connected a shunting guide groove, in shunting guide groove formation uniform divided flows to the mold cavity of longitudinal both sides
It is interior.
Moreover, the quiet template quadrangle is symmetrically formed with a molding guide hole, moving platen quadrangle is formed with one and molding guide hole
The guide post of cooperation, four guide posts both pass through the dynamic model seat of corresponding position and quiet die holder.
A kind of processing method of four mould of internal thread end cap driving synchronous forming combinatorial injection molding mold, steps are as follows：
(1) mold is adjusted,
A adjusts the concentricity of mold；
B adjusts limit pole length, ensures the synchronism of chain drive；
(2) mold, dynamic model is driven coaxial mobile by hydraulic press, and quiet template is opposite with moving platen when fastening, dynamic model and quiet mould
Joint surface forms injection die cavities；
In clamping process, guide post is inserted into corresponding molding guide hole, ensures molding of the moving platen with quiet template to positive accurate
Exactness；
(3) raw material is injected, and raw material enters the running channel in mold by injection hole, then respectively by the shunting of shunting guide groove, will be former
Material, which is divided into four parts and synchronizes respectively, to be input in injection die cavities；
(4) it is cooled and shaped, circulating cooling liquid, moulding cooling and shaping is injected into cooling tube；Moulding top forms and moves
The pattern of mould movable block always, moulding outer wall form a plurality of anti-skidding muscle of radial direction corresponding with quiet model cavity anti-slip tank, moulding
Inside forms internal thread corresponding with the rotation taper type end made external screw thread of outer wall of tringle；
(5) demould,
A dynamic models are detached by Driven by Hydraulic Cylinder band dynamic model with quiet mould；
B rotates tringle and drives synchronous rotary by motor, and it is consistent that direction of rotation and screw thread loosen direction, at this time rotation stop boss limit
Moulding processed cannot rotate, and to make moulding be detached from by top, moulding automatically disengages.
(6) processing is completed, and four mouldings of the present embodiment synchronously complete processing, and mold resets.
The advantages and positive effects of the present invention are：
1, this mold synchronizes injection molding using multiple die cavitys, and the multiple products of one-pass molding are high in machining efficiency.
2, the dynamic model of this mold and quiet mould fitness are high, and coordinate multigroup limited post, workpiece to be processed is effectively ensured and exists
Position precision in mold cavity ensures processing quality to ensure the uniformity of injection molding.
3, rotation stop fin is formed in injection die cavities convenient for demoulding, clever structure, high precision machining.
4, it is injection inlet in the middle part of this mold, in raw material uniform divided flows to surrounding cavity, the raw material of runner internal loss saves less
It is symmetrically distributed with annular cooling conduit, good cooling results in about raw material, raising efficiency, and the dynamic model of cavity periphery and quiet mould.
5, simple structure and reasonable design of the invention, high in machining efficiency, service life simple in structure is long, the stabilization of structure
Property it is good, machining accuracy is high, and convenient for demoulding, promotes processing efficiency, applied widely, and processing quality is effectively ensured.
Description of the drawings
Fig. 1 is the structural front view of the present invention；
Fig. 2 is the C-C of Fig. 1 to sectional view；
Fig. 3 is the right view (not showing quiet template) of Fig. 1；
Fig. 4 is the right view of Fig. 3；
Fig. 5 is the portions the A partial enlarged view in Fig. 2；
Fig. 6 is the portions the B partial enlarged view in Fig. 2；
Fig. 7 is the enlarged perspective of mould part in Fig. 2；
Fig. 8 is the mold cavity enlarged drawing of Fig. 7.
Attached figure label represents：1 motor；2 worm speed reducers；3 driving gears；4 chains；5 gag lever posts；6 shank of the keys；7 dynamic models
Plate；8 interfaces；9 cooling tubes；10 guide posts；11 injection die cavities；12 driven gears；13 points of mode-gears；14 quiet templates；15 rotation tringles；
16 dynamic models；17 quiet moulds；18 dynamic model seats；19 quiet die holders；20 clamping plates；21 central gears；22 external screw threads；23 dynamic model movable blocks；24 pour
Road；25 injection holes；26 shunting guide grooves；27 rotation stop boss.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings and by specific embodiment, and following embodiment is descriptive
, it is not restrictive, protection scope of the present invention cannot be limited with this.
A kind of four mould of internal thread end cap driving synchronous forming combinatorial injection molding mold, including quiet template 14, quiet die holder 19, quiet mould
17, moving platen 7, dynamic model seat 18, dynamic model 16 and injection die cavities 11, the present embodiment are illustrated with direction shown in attached drawing 2, quiet mould
It is packed in rack on the outside of plate and (does not show rack in figure), quiet template inner coaxial is fixed with quiet die holder, in quiet die holder inside
Portion's insertion is fixed with quiet mould；The outer middle side part of moving platen is formed with the spindle hole for being connect with hydraulic cylinder guide rod, and moving platen inside is solid
Dynamic model seat is filled, dynamic model seat middle inside insertion is fixed with dynamic model；Quiet template is opposite with moving platen when fastening, dynamic model and quiet mould
Joint surface forms injection die cavities.
Above-mentioned quiet template, quiet die holder, dynamic model seat, moving platen are coaxially disposed.
In order to ensure that the molding algnment accuracy of moving platen and quiet template, the quiet template quadrangle are symmetrically formed with a molding
Guide hole, moving platen quadrangle are formed with the guide post 10 of one and molding guide hole cooperation, which both passes through the dynamic model of corresponding position
Seat and quiet die holder.
The innovation of the invention consists in that：
In dynamic model system corresponding with quiet mould there are four injection die cavities, which is symmetrically distributed on dynamic model and quiet mould
Middle part is coaxially installed with a rotation tringle 15 in the injection die cavities of each quiet mould, which passes through synchronous driving
Device, which drives, to be rotated synchronously.
Above-mentioned synchronous drive device concrete structure includes clamping plate 20, motor 1, worm speed reducer 2, driving gear 3, driven tooth
Wheel 12, central gear 21, divides mode-gear 13 and rotation tringle at chain 4, and a folder is coaxially fixed between quiet template and quiet die holder
Plate, clamping plate middle part are formed with a longitudinal mounting groove；The clamping plate upper end is longitudinally provided with a motor, which is equipped with
One worm speed reducer, the driving gear that high worm speed reducer driving is transversely mounted is rotated, corresponding below the driving gear
Middle part is equipped with a driven gear by driven shaft in clamping plate mounting groove, and the driven gear and driving gear are same by chain drive
Step rotation, driven gear drive driven shaft to rotate synchronously, a central gear are equipped on the driven shaft on the inside of driven gear, should
Central gear outer periphery symmetrically engages four points of mode-gears of installation, and four points of mode-gears are corresponding respectively to drive a rotating mould
Bar, to ensure the moulding synchronous forming in four injection die cavities.
In order to adapt to different type size requirements, pass through multiple longitudinally mounted limits between the clamping plate and motor
Position bar 5 is fixedly mounted with, which can need to carry out length adjustment according to using, and ensure the preload degree of chain, to ensure to pass
It is dynamic accurate.
The present embodiment is formed with the injection hole 25 being connect with raw material implanter at dynamic model center using shunting injecting structure, should
Injection hole is connected to the running channel 24 of both lateral sides, which is separately connected a shunting guide groove 26, is formed uniformly in shunting guide groove
It is diverted in the mold cavity of longitudinal both sides.
A dynamic model movable block 23 is coaxially installed in the injection die cavities of quiet mould, which is formed with product marking figure
The injection die cavities inner wall radial equipartition of the special lines of shape class, quiet mould is formed with a plurality of anti-slip tank, corresponds to diameter on the outer wall of moulding
To the anti-skidding muscle uniformly made；
It is formed with external screw thread 22 in the taper type end outer wall for stretching into injection die cavities of rotation tringle, the external screw thread is for noting
Corresponding standard female is made in plastic.
Quiet in the taper type end periphery of rotating mould is molded into spaced radial on plastotype resonator end surface and is uniformly formed with multiple rotation stops
Boss 27, which is convenient for fixing moulding in demoulding, to make moulding be smoothly detached from rotation tringle.
It is molded to be quickly cooled down mold, cooling tube 9 is formed in the mold cavity periphery of dynamic model and quiet mould, cooling tube
Outlet and entrance are separately installed with quick coupling 8, which can be used for inputting circulating cooling liquid.Cooling tube concrete structure is shown in attached
Fig. 8 is respectively separated in multiple injection die cavities laterally quiet mould or dynamic model of a middle side part and is equipped with pipeline input terminal and output end,
Input terminal is to direction cooling circuit is formed between output end, for the ease of processing, the pipe ends lead directly to dynamic model or quiet mould
Lateral wall.
In order to ensure injection moulding process stability, it is symmetrically installed with a shank of the key 6 in moving platen both sides, the shank of the key is dynamic for locking
Template and quiet template position.
Steps are as follows for the course of work of this mold：
(1) mold is adjusted,
A adjusts the concentricity of mold；
B adjusts limit pole length, ensures the synchronism of chain drive；
(2) mold, dynamic model is driven coaxial mobile by hydraulic press, and quiet template is opposite with moving platen when fastening, dynamic model and quiet mould
Joint surface forms injection die cavities；
In clamping process, guide post is inserted into corresponding molding guide hole, ensures molding of the moving platen with quiet template to positive accurate
Exactness；
(3) raw material is injected, and raw material enters the running channel in mold by injection hole, then respectively by the shunting of shunting guide groove, will be former
Material, which is divided into four parts and synchronizes respectively, to be input in injection die cavities；
(4) it is cooled and shaped, circulating cooling liquid, moulding cooling and shaping is injected into cooling tube；Moulding top forms and moves
The pattern of mould movable block always, moulding outer wall form a plurality of anti-skidding muscle of radial direction corresponding with quiet model cavity anti-slip tank, moulding
Inside forms internal thread corresponding with the rotation taper type end made external screw thread of outer wall of tringle；
(5) demould,
A dynamic models are detached by Driven by Hydraulic Cylinder band dynamic model with quiet mould；
B rotates tringle and drives synchronous rotary by motor, and it is consistent that direction of rotation and screw thread loosen direction, at this time rotation stop boss limit
Moulding processed cannot rotate, and to make moulding be detached from by top, moulding automatically disengages.
(6) processing is completed, and four mouldings of the present embodiment synchronously complete processing, and mold resets.
Claims (3)
1. a kind of four mould of internal thread end cap drives synchronous forming combinatorial injection molding mold, including quiet template, quiet die holder, quiet mould, dynamic model
Plate, dynamic model seat, dynamic model and injection die cavities, quiet template outside are packed in rack, and quiet template inner coaxial is fixed with quiet die holder,
The quiet die holder middle inside insertion is fixed with quiet mould；The outer middle side part of moving platen is formed with the main shaft for being connect with hydraulic cylinder guide rod
Hole, moving platen inside are fixedly mounted with dynamic model seat, and dynamic model seat middle inside insertion is fixed with dynamic model；Quiet template button opposite with moving platen
It closes, the joint surface of dynamic model and quiet mould forms injection die cavities, and cooling tube is formed in the mold cavity periphery of dynamic model and quiet mould, special
Sign is：In dynamic model system corresponding with quiet mould there are four injection die cavities, which is symmetrically distributed on dynamic model and quiet mould
Middle part is coaxially installed with a rotation tringle in the injection die cavities of each quiet mould, which passes through synchronous driving dress
Drive is set to rotate synchronously；
Procedure of processing is as follows：
(1) mold is adjusted,
A adjusts the concentricity of mold；
B adjusts limit pole length, ensures the synchronism of chain drive；
(2) mold, dynamic model is driven coaxial mobile by hydraulic press, and quiet template is opposite with moving platen when fastening, the engagement of dynamic model and quiet mould
Face forms injection die cavities；
In clamping process, guide post is inserted into corresponding molding guide hole, ensures the molding algnment accuracy of moving platen and quiet template；
(3) raw material is injected, and raw material enters the running channel in mold by injection hole, then respectively by the shunting of shunting guide groove, and raw material is equal
It is divided into four parts and synchronizes respectively and is input in injection die cavities；
(4) it is cooled and shaped, circulating cooling liquid, moulding cooling and shaping is injected into cooling tube；Moulding top is formed lives with dynamic model
The consistent pattern of motion block, moulding outer wall form corresponding with the quiet model cavity anti-slip tank a plurality of anti-skidding muscle of radial direction, inside moulding
Form internal thread corresponding with the rotation taper type end made external screw thread of outer wall of tringle；
(5) demould,
A dynamic models are detached by Driven by Hydraulic Cylinder band dynamic model with quiet mould；
B rotates tringle and drives synchronous rotary by motor, and direction of rotation loosens that direction is consistent, and rotation stop boss limitation at this time is noted with screw thread
Plastic cannot rotate, and to make moulding be detached from by top, moulding automatically disengages.
(6) processing is completed, and four mouldings synchronously complete processing, and mold resets.
2. four mould of internal thread end cap according to claim 1 drives synchronous forming combinatorial injection molding mold, it is characterised in that：Institute
It states dynamic model center and is formed with the injection hole being connect with raw material implanter, which is connected to the running channel of both lateral sides, the both sides running channel
It is separately connected a shunting guide groove, is formed in mold cavity of the uniform divided flows to longitudinal both sides in shunting guide groove.
3. four mould of internal thread end cap according to claim 1 drives synchronous forming combinatorial injection molding mold, it is characterised in that：Institute
It states quiet template quadrangle and is symmetrically formed with a molding guide hole, moving platen quadrangle is formed with the guide post of one and molding guide hole cooperation, this four
Root guide post both passes through the dynamic model seat of corresponding position and quiet die holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410768451.XA CN104526979B (en) | 2014-12-14 | 2014-12-14 | Four mould of internal thread end cap drives synchronous forming combinatorial injection molding mold and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410768451.XA CN104526979B (en) | 2014-12-14 | 2014-12-14 | Four mould of internal thread end cap drives synchronous forming combinatorial injection molding mold and processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104526979A CN104526979A (en) | 2015-04-22 |
| CN104526979B true CN104526979B (en) | 2018-08-21 |
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| CN115027003B (en) * | 2022-05-16 | 2023-07-21 | 江西联塑科技实业有限公司 | Pipe joint injection mold and in-mold assembly method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203919586U (en) * | 2014-05-04 | 2014-11-05 | 曹明金 | A kind of mould of making internal thread lid |
| CN204451072U (en) * | 2014-12-14 | 2015-07-08 | 天津京荣模具有限公司 | A kind of internal thread end cap four mould drives synchronous forming combinatorial injection molding mould |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203919586U (en) * | 2014-05-04 | 2014-11-05 | 曹明金 | A kind of mould of making internal thread lid |
| CN204451072U (en) * | 2014-12-14 | 2015-07-08 | 天津京荣模具有限公司 | A kind of internal thread end cap four mould drives synchronous forming combinatorial injection molding mould |
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