CN107263817A - A kind of release method of injection mold and the mould - Google Patents

A kind of release method of injection mold and the mould Download PDF

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Publication number
CN107263817A
CN107263817A CN201710351079.6A CN201710351079A CN107263817A CN 107263817 A CN107263817 A CN 107263817A CN 201710351079 A CN201710351079 A CN 201710351079A CN 107263817 A CN107263817 A CN 107263817A
Authority
CN
China
Prior art keywords
module
rear mold
push rod
mould
mold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710351079.6A
Other languages
Chinese (zh)
Other versions
CN107263817B (en
Inventor
魏亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sihui Yixing Jewelry Co., Ltd.
Original Assignee
Zhejiang Diheng Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Diheng Industrial Co Ltd filed Critical Zhejiang Diheng Industrial Co Ltd
Priority to CN201710351079.6A priority Critical patent/CN107263817B/en
Priority to CN201710971265.XA priority patent/CN107627561B/en
Publication of CN107263817A publication Critical patent/CN107263817A/en
Application granted granted Critical
Publication of CN107263817B publication Critical patent/CN107263817B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332Mountings or guides therefor; Drives therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • B29C45/401Ejector pin constructions or mountings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332Mountings or guides therefor; Drives therefor
    • B29C2045/334Mountings or guides therefor; Drives therefor several transversely movable mould parts driven by a single drive means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • B29C45/401Ejector pin constructions or mountings
    • B29C2045/4021Adjustable ejector pins

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The present invention provides a kind of injection mold and the release method of the mould, the plastic products of die for molding is separated with mould using the injection mold.Wherein the release method comprises the following steps:(1) the preceding mould module and rear mold module of moulded plastic products outer surface are separated so that preceding mould module and rear mold module are in the two ends of a through hole on mold base;(2) the core module of moulded plastic products inner surface is made to be moved to above through hole, plastic products are moved to above through hole with core module;(3) push rod of core module is moved forward relative to the sleeve of core module so that two lateral mass of the core module being hinged with the scalable connection of push rod and with sleeve are moved forward with push rod, while two lateral mass shrink under the pulling of sleeve to inner side;(4) plastic products are separated with core module, are fallen from through hole.

Description

A kind of release method of injection mold and the mould
Technical field
The present invention relates to a kind of injection mold and the release method of the mould.
Background technology
The existing release method for injection mold is typically only applicable to the simple plastics system of inner surface structure on the market Product, and automatic demoulding is then difficult to realize for the complicated plastic products of surface texture, cause to use manually by plastic products It is removed from the molds, reduces production efficiency.
The content of the invention
It is a primary object of the present invention to provide a kind of to realize the injection mold of plastic products automatic demoulding, and the mould The release method of tool.
To achieve the above objectives, the present invention provides a kind of injection mold, and it is used to be molded a plastic products, injection mold bag Include:
Base, its middle part forms a through hole;
Mold, mould module, a rear mold module, two rear mold guide rails and a core module before it includes one, the preceding mould module The upper surface of the base is located at along one side of the through hole, two rear mold guide rails are parallel to each other along the another both sides of the through hole Ground is located at the base, and the rear mold module can be located between rear mold guide rail described in two movably forward and backward, to cause the rear mold With the preceding mould module matched moulds when module is moved forward, when the rear mold module is moved rearwards by, the through hole is in the preceding mould Between module and the rear mold module, the core module includes:One jacking block, two lateral mass, a push rod, a sleeve and two connect Bar, the push rod can be located at the rear mold module movably forward and backward, and the front end of the push rod extends to the preceding mould module, described Jacking block is fixedly arranged on the front end of the push rod, and lateral mass described in two is telescopically located at the both sides of the push rod, so that lateral mass described in two The push rod can be movably sheathed on closer or far from the push rod, the sleeve, lateral mass described in two passes through the company respectively The both sides of bar and the sleeve are hinged, during make it that the sleeve is moved rearwards by relative to the push rod, pull lateral mass described in two To contract, the rear mold module has a stopper slot, and the stopper slot extends forward from the rear end of the rear mold module, described Sleeve extends a fixture block to the stopper slot, during make it that the fixture block is moved to the front end of stopper slot, and the sleeve can not Relatively described rear mold module is moved forward;
And
Drive device, including rear mold drive device and core drive device, the rear mold drive device be used for drive it is described after Mould module is moved forward and backward, and the core drive device is used to drive the push rod of the core module to move forward and backward.
Preferably, the both sides of the sleeve form two and slide through hole, and lateral mass described in two passes through the slip of the sleeve both sides Through hole and the scalable connection of the push rod.
Preferably, the rear mold drive device includes two first cylinders, and first cylinder is fixedly arranged on the base, two described in two First cylinder is relative with the two ends of the rear mold rear side respectively, the push rod of the first cylinder described in two symmetrically with it is described The two ends connection of rear mold rear side.
Preferably, the core drive device includes one second cylinder, and second cylinder is fixedly arranged on the first gas described in two Between cylinder, the push rod of the core module extends through the rear mold module to second cylinder, second cylinder The push rod of the core module is driven to move forward and backward.
Preferably, the preceding mould module includes preceding die cap plate and preceding mould cavity plate, and the preceding mould cavity plate is fixedly arranged on the bottom Seat, the preceding die cap plate is separably on the preceding mould cavity plate, and the rear mold module includes rear mold cover plate and rear mold is recessed Mould, the rear mold cavity plate is movably disposed in rear mold guide rail described in two, and the rear mold cover plate is separably recessed located at the rear mold On mould.
Preferably, the inner side of rear mold guide rail described in two respectively have a slide rail, the rear mold module two lateral two described in Slide rail each extends over out a sliding block, and the sliding block is movably disposed in the slide rail.
Preferably, lateral mass described in two is by spring and the scalable connection of the push rod, with allow lateral mass described in two close to or Away from the push rod.
The present invention also offer one kind release method out of injection mold by plastic products, comprises the following steps:
(1) the preceding mould module and rear mold module of moulded plastic products outer surface are separated so that the preceding mould module and it is described after Mould module is in the two ends of a through hole on mold base;
(2) the core module of moulded plastic products inner surface is made to be moved to above the through hole, plastic products are with the core mould Block is moved to above the through hole;
(3) push rod of the core module is moved forward relative to the sleeve of the core module so that can be stretched with the push rod Two lateral mass of contracting connection and the core module being hinged with the sleeve are moved forward with the push rod, while side described in two Block shrinks under the pulling of the sleeve to inner side;
(4) plastic products are separated with the core module, are fallen from the through hole.
Compared with prior art, it is an advantage of the current invention that the injection mold of the present invention is after plastic shaping, driven by each Dynamic device may be such that front and rear two parts separation of mould, and make the core portion retracts of mould, thus plastic products completely with Mould is separated, and is fallen from the through hole of mold base.The injection mold of the present invention can realize the complex modeling of internal structure The automatic demoulding of material products.
Brief description of the drawings
Fig. 1 is the partial schematic diagram of a preferred embodiment of the injection mold according to the present invention, not shown in figure before mould Cover plate and rear mold cover plate.
Fig. 2 is the explosive view of a preferred embodiment of the injection mold according to the present invention.
Fig. 3 is the part explosive view of a preferred embodiment of the injection mold according to the present invention, it is shown that core module Each several part.
Fig. 4 A-D show a preferred embodiment moulded plastic products of the injection mold of the present invention and by plastic products The process of the demoulding.
Embodiment
Describe to be used to disclose the present invention below so that those skilled in the art can realize the present invention.It is excellent in describing below Embodiment is selected to be only used as citing, it may occur to persons skilled in the art that other obvious modifications.
As shown in Fig. 1-Fig. 4 D, a kind of injection mold of the invention includes:Base 1, mold 2 and drive device 3.Mould Tool portion 2 and drive device 3 are located at base 1, and drive device 3 is used to drive each several part of mold 2 to move.
The middle part of base 1 forms a through hole 10, after the plastic products 8 in mold 2 are separated with mold 2, plastics system Product 8 are fallen by through hole 10.During actual production, the lower of through hole 10 can place the device for collecting plastic products 8.
Preferably, through hole 10 is a rectangular through-hole.
Mould module 21, a rear mold module 22, two rear mold guide rails 23 and a core module 24 before mold 2 includes one.
The one side of preceding mould module 21 along through hole 10 is fixedly arranged on the upper surface of base 1, and two rear mold guide rails 23 are along through hole 10 Another both sides in parallel to each other be located at base 1 so that two rear mold guide rails 23 be in preceding mould module 21 both sides.Rear mold module 22 can Movably it is located between two rear mold guide rails 23, so that rear mold module 22 can be moved forward and preceding mould module along two rear mold guide rails 23 21 matched moulds, or be moved rearwards by separating with preceding mould module 21.When rear mold module 22 is moved to rearmost end, through hole 10 is in preceding mould mould Between block 21 and rear mold module 22.
Core module 24 can be movably forward and backward in rear mold module 22.When rear mold module 22 and the preceding matched moulds of mould module 21 When, core module 24 is moved to the rear end of rear mold module 22, inwall, the inwall and core of preceding mould module 21 in rear mold module 22 Die cavity 20 is formed between the outer wall of module 24.
Preceding mould module 21 has an injecting hole 211, and injecting hole 211 is by die cavity 20 and ft connection, so as to by melting Plastics are injected in die cavity 20 by injecting hole, after after plastics cooling and shaping, have both formed plastic products 8.
Preceding mould module 21 includes preceding die cap plate 212 and preceding mould cavity plate 213, and preceding mould cavity plate 213 is fixedly arranged on base 1, preceding mould Cover plate 212 separably on preceding mould cavity plate 213, can be opened or closed with mould module 21 before causing, mould module 21 before opening When, mould cavity plate 213, also allows for coating release agent before can clearing up.
Preferably, rear mold module 22 includes rear mold cover plate 222 and rear mold cavity plate 223, and rear mold cavity plate 223 is movably set In two rear mold guide rails 23, rear mold cover plate 222 separably on the rear mold cavity plate 223, to cause rear mold module 22 to open or Closure.
In a further embodiment, injecting hole can also be formed at rear mold module 22, as long as ensureing injecting hole by die cavity 20 With ft connection.
The inner side of two rear mold guide rails 23 has a slide rail 231 respectively, and two lateral two slide rails 231 of rear mold module 22 prolong respectively A sliding block 224 is stretched out, sliding block 224 is movably disposed in slide rail 231, so that rear mold module 22 is movably disposed in two rear molds Between guide rail 23.
Core module 24 includes a jacking block 241, two lateral mass 242, a push rod 243, a sleeve 244 and two connecting rods 245. Push rod 243 can be located at rear mold module 22 movably forward and backward, and mould module 21 extends forward for the front end of push rod 243, and jacking block 241 is fixedly arranged on The front end of push rod 243.Two lateral mass 242 are telescopically located at the both sides of push rod 243, so that two lateral mass 242 can be closer or far from pushing away Bar 243, when two lateral mass 242 are close to push rod 243, two lateral mass 242 are to contract, when two lateral mass 242 are away from push rod 243, both sides Block 242 stretches out.When moulded plastic products 8, the distance between two lateral mass 242 maximum, now two lateral mass 242 and jacking block 241 outer surface splicing is integral, and the outer surface of two lateral mass 242 and jacking block 241 is used for the inner surface of moulded plastic products 8. After plastic mould 8 is molded, to contract both sides block 242, you can realize the separation of plastic mould 8 and core module 24.
When moulded plastic products 8, rear mold module 22 and the preceding matched moulds of mould module 21, push rod 243 drive jacking block 241 and two Lateral mass 242 is moved to the rear end of rear mold module 22, and the rear end of two lateral mass 242 is butted on the rear end of rear mold module 22, now two lateral mass The distance between 242 maximums.When plastic products 8 are stripped, mould module 21 and rear mold module 22 are separated before making, and are respectively at logical The two ends in hole 10, the drive lateral mass 242 of jacking block 241 and two of push rod 243 moves forward to the top of through hole 10, jacking block 242 and two Lateral mass 242 is separated with rear mold module 22, and plastic products 8 are moved to the top of through hole 10 with the lateral mass 242 of jacking block 242 and two.
Sleeve 244 is movably sheathed on push rod 243, and the both sides of sleeve 244 form slip through hole 2440, two lateral mass The 242 slip through hole 2440 and the scalable connection of push rod 243 through the both sides of sleeve 244.
In a preferred embodiment, the scalable connection of lateral mass 242 and push rod 243 is implemented especially by the following manner: The both sides of push rod 243 extend outward a branch sleeve 2431, and lateral mass 242 extends a connecting shaft to branch sleeve 2431 2421, the gap of connecting shaft 2421 ordinatedly in the branch sleeve 2431, when connecting shaft 2421 in branch sleeve 2431 inwardly Or when being displaced outwardly, lateral mass 242 is closer or far from push rod 243.
In a further embodiment, two lateral mass 242 can be by spring and the scalable connection of push rod 243, to allow two lateral mass 242 are connected closer or far from push rod 243, namely one end of the spring with lateral mass 242, and the side of the other end and push rod 243 connects Connect, when lateral mass 242 is close to push rod 243, the spring is compressed, when the spring restores to the original state, between two lateral mass away from From reaching maximum.
Two lateral mass 242 are hinged by the both sides of connecting rod 245 and sleeve 244 respectively, with cause lateral mass 242 and sleeve 244 it Between distance it is farthest when, connecting rod 245 is perpendicular to lateral mass 242 and sleeve 244, when push rod 243 is moved forward relative to sleeve 244 When, two lateral mass 242 are moved forward with push rod 243, so that connecting rod 245 rotates relative to lateral mass 242 and sleeve 244, connecting rod 245 while rotated, and lateral mass 242 is inwardly pulled, namely causes two lateral mass 242 close to push rod 243, so that core module Shrink 24 both sides.
The bottom surface of rear mold module 22 has a stopper slot 220, and stopper slot 220 extends forward from the rear end of rear mold module 22, And the front end closing of stopper slot 220.Sleeve 244 extends a fixture block 2441 to the stopper slot 220, and fixture block 2441 may move Ground is in stopper slot 220, when fixture block 2441 is moved to the front end of stopper slot 220 along stopper slot 220, it is impossible to before continuation Enter, continued to move along so as to limit sleeve 224.
Drive device 3 includes rear mold drive device 31 and core drive device 32.Rear mold drive device 31 and rear mold mould Block 22 coordinates, for driving rear mold module 22 to move forward and backward.Core drive device 32 coordinates with core module 24, for driving core Mould module 24 is moved forward and backward.
In a preferred embodiment, rear mold drive device 31 includes two first cylinders 311, and two first cylinders 311 are fixed In base 1, two first cylinders 311 are relative with the two ends of the rear side of rear mold module 22 respectively, and the push rod of two first cylinders 311 is symmetrically It is connected with the two ends of the rear side of rear mold module 22, drives rear mold module 22 to move simultaneously using two first cylinders 311, to ensure rear mold Not run-off the straight when module 22 is moved forward and backward.
Core drive device 32 includes one second cylinder 321, and the second cylinder 321 is fixedly arranged between two first cylinders 311, core The push rod 243 of mould module 24 extends through rear mold module 22 to the second cylinder 321, before and after the driving push rod 243 of the second cylinder 321 It is mobile.That is the push rod of the push rod 243 of core module 24 namely the second cylinder 321.
The step of injection mould processing plastic products 8 and automatic demoulding of the present invention, is as follows:Driven first by rear mold Device 31 makes rear mold module 22 move forward and the preceding matched moulds of mould module 21, and core module 24 is in by core drive device 32 The rear end of rear mold module 22, now, distance is maximum between two lateral mass 242 of core module 24, at the fixture block 2441 of sleeve 244 In the rear end of stopper slot 220;Then molten plastic is injected into die cavity 20 by injecting hole 211, treats that molten plastic is cooled and shaped Afterwards, that is, plastic products 8 are formed, as shown in Figure 4 A;Then rear mold mould is made by rear mold drive device 31 and core drive device 32 Block 22 and core module 24 are moved rearwards by, and are separated with preceding mould module 21, now plastic products are with rear mold module 22 and core module 24 move together, as shown in Figure 4 B, it is worth mentioning at this point that, it should ensure that rear mold module 22 is moved to the rear of through hole 10;Then lead to Crossing core drive device 32 makes core module 32 be moved forward with respect to rear mold module 22, plastic products 8 with core module 24 forward Mobile, sleeve 244 is moved forward with push rod 243, and the fixture block 2441 of sleeve 244 is moved along stopper slot 220, as shown in Figure 4 C;When When fixture block 2441 is moved to stopper slot 220 foremost, sleeve 244 can not be continued to move along, now core drive device 32 after Continuous driving push rod 243 is moved forward, now two lateral mass in the presence of sleeve 244 to contract so that with plastic products 8 Surface is separated, and plastic products 8 complete the demoulding, are fallen from the through hole 10 of base 1, as shown in Figure 4 D.
The present invention also provides a kind of release method, suitable for making fast demoulding after a plastic products are molded in injection mold, It the described method comprises the following steps:
(1) the preceding mould module 21 and rear mold module 22 of moulded plastic products outer surface are separated so that preceding mould module 21 and rear mold Module 22 is in the two ends of a through hole 10 on mold base 1;
(2) the core module 24 of moulded plastic products inner surface is made to be moved to the top of through hole 10, plastic products 8 are with core mould Block 24 is moved to the top of through hole 10;
(3) push rod 243 of the core module 24 is moved forward relative to the sleeve 244 of the core module 24 so that with institute Two lateral mass of the scalable connection of push rod 243 and the core module 24 being hinged with the sleeve 244 are stated with the push rod 243 Move forward, at the same lateral mass 242 described in two under the pulling of the sleeve 244 to contract;
(4) plastic products 8 are separated with the core module 24, are fallen from the through hole 10.
By step (1) and (2), plastic products 8 are separated with preceding mould module 21 and rear mold module 22, namely plastic products 8 Outer surface and mould separating, the only inner surface of plastic products 8 bonds together with core module 24.By step (3) Afterwards, the both sides of core module 24 are also separated with plastic products 8, although now the jacking block 241 of core module 24 is gone back and plastic products 8 bondings, but in the presence of the self gravitation of plastic products 8, may be such that plastic products 8 are separated with jacking block 241, because modeling The contact area of material products 8 and jacking block 241 is smaller, and the cohesive force between plastic products 8 and jacking block 241 is not strong, therefore Plastic products 8 can be separated with jacking block 241 easily.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and that described in above-described embodiment and specification is the present invention Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appended claims and its Equivalent is defined.

Claims (8)

1. a kind of injection mold, for being molded a plastic products, it is characterised in that the injection mold includes:
Base, its middle part forms a through hole;
Mold, mould module, a rear mold module, two rear mold guide rails and a core module before it includes one, the preceding mould module The upper surface of the base is located at along one side of the through hole, two rear mold guide rails are parallel to each other along the another both sides of the through hole Ground is located at the base, and the rear mold module can be located between rear mold guide rail described in two movably forward and backward, to cause the rear mold With the preceding mould module matched moulds when module is moved forward, the through hole is in the preceding mould mould when rear mold module is moved rearwards by Between block and the rear mold module, the core module includes:One jacking block, two lateral mass, a push rod, a sleeve and two connecting rods, The push rod can be located at the rear mold module movably forward and backward, and the front end of the push rod extends to the preceding mould module, the top Block is fixedly arranged on the front end of the push rod, and lateral mass described in two is telescopically located at the both sides of the push rod, so that lateral mass can described in two Closer or far from the push rod, the sleeve is movably sheathed on the push rod, and lateral mass described in two passes through the connecting rod respectively Be hinged with the both sides of the sleeve, during make it that the sleeve is moved rearwards by relative to the push rod, pull two described in lateral mass to Contract, the rear mold module has a stopper slot, and the stopper slot extends forward from the rear end of the rear mold module, the set Cylinder extends a fixture block to the stopper slot, and during make it that the fixture block is moved to the front end of stopper slot, the sleeve can not phase The rear mold module is moved forward;And
Drive device, including rear mold drive device and core drive device, the rear mold drive device be used for drive it is described after Mould module is moved forward and backward, and the core drive device is used to drive the push rod of the core module to move forward and backward.
2. injection mold according to claim 1, it is characterised in that the both sides of the sleeve form two and slide through hole, two Slip through hole and the push rod scalable connection of the lateral mass through the sleeve both sides.
3. injection mold according to claim 1, it is characterised in that the rear mold drive device includes two first cylinders, First cylinder is fixedly arranged on the base described in two, and the first cylinder described in two is relative with the two ends of the rear mold rear side respectively, Two ends of the push rod of first cylinder described in two symmetrically with the rear mold rear side are connected.
4. injection mold according to claim 3, it is characterised in that the core drive device includes one second cylinder, Second cylinder is fixedly arranged between the first cylinder described in two, the push rod of the core module through the rear mold module to The second cylinder extension, second cylinder drives the push rod of the core module to move forward and backward.
5. injection mold according to claim 1, it is characterised in that the preceding mould module includes preceding die cap plate and preceding mould is recessed Mould, the preceding mould cavity plate is fixedly arranged on the base, and the preceding die cap plate is separably located on the preceding mould cavity plate, the rear mold Module includes rear mold cover plate and rear mold cavity plate, and the rear mold cavity plate is movably disposed in rear mold guide rail described in two, the rear mold Cover plate is separably on the rear mold cavity plate.
6. injection mold according to claim 1, it is characterised in that the inner side of rear mold guide rail described in two has one to slide respectively Rail, the rear mold module two lateral two described in slide rail each extend over out a sliding block, the sliding block is movably disposed in the cunning In rail.
7. according to any described injection molds of claim 1-6, it is characterised in that lateral mass described in two is pushed away by spring with described The scalable connection of bar, to allow lateral mass described in two closer or far from the push rod.
8. one kind release method out of injection mold by plastic products, it is characterised in that comprise the following steps:
(1) the preceding mould module and rear mold module of moulded plastic products outer surface are separated so that the preceding mould module and it is described after Mould module is in the two ends of a through hole on mold base;
(2) the core module of moulded plastic products inner surface is made to be moved to above the through hole, plastic products are with the core mould Block is moved to above the through hole;
(3) push rod of the core module is moved forward relative to the sleeve of the core module so that can be stretched with the push rod Two lateral mass of contracting connection and the core module being hinged with the sleeve are moved forward with the push rod, while side described in two Block shrinks under the pulling of the sleeve to inner side;
(4) plastic products are separated with the core module, are fallen from the through hole.
CN201710351079.6A 2017-05-18 2017-05-18 A kind of release method of injection mold and the mold Active CN107263817B (en)

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CN201710971265.XA CN107627561B (en) 2017-05-18 2017-05-18 A kind of release method of injection mold and the mold

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CN107599309A (en) * 2017-08-09 2018-01-19 宁波市镇海甬鼎紧固件制造有限公司 A kind of contraction type stripper apparatus
CN108582686A (en) * 2018-04-24 2018-09-28 中山世达模型制造有限公司 Core-pulling type mould without thimble
CN109878015A (en) * 2019-04-15 2019-06-14 深圳市利科达光电有限公司 It is a kind of to project and form separation control mold
CN111469356A (en) * 2020-04-26 2020-07-31 合肥众机群机械制造有限公司 Storage battery tray assembly machining device
CN111844563A (en) * 2020-07-17 2020-10-30 青岛华涛汽车模具有限公司 Machining die for air passage of air outlet of automobile air inlet manifold and demolding method of machining die

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