CN219133055U - Plastic cover plate injection mold - Google Patents
Plastic cover plate injection mold Download PDFInfo
- Publication number
- CN219133055U CN219133055U CN202223505368.2U CN202223505368U CN219133055U CN 219133055 U CN219133055 U CN 219133055U CN 202223505368 U CN202223505368 U CN 202223505368U CN 219133055 U CN219133055 U CN 219133055U
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- 239000004033 plastic Substances 0.000 title claims abstract description 55
- 229920003023 plastic Polymers 0.000 title claims abstract description 55
- 238000002347 injection Methods 0.000 title claims abstract description 26
- 239000007924 injection Substances 0.000 title claims abstract description 26
- 238000000465 moulding Methods 0.000 claims abstract description 77
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 claims 1
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a plastic cover plate injection mold, which comprises: the device comprises a front die assembly, a rear die assembly and a double-push-out structure, wherein a molding die cavity is arranged between the front die assembly and the rear die assembly; the double-pushing structure comprises a front mold pushing part and a rear mold pushing part, wherein the front mold pushing part comprises a front mold pushing plate and a plurality of front mold pushing rods, forming convex blocks on the front mold pushing rods are used for forming first buckling holes, the front mold pushing plate is used for driving the front mold pushing rods to move towards the direction of forming the rear mold so that the forming convex blocks move towards the direction far away from the first buckling holes, and the rear mold pushing part is used for pushing the plastic cover plate to move towards the direction far away from the forming rear mold. According to the utility model, when the front mold pushing rod is used for opening the front and rear molds, the forming convex blocks are driven to move obliquely in the direction away from the first buckling holes, the demolding operation of the first buckling holes is finished first, and then the plastic cover plate is completely ejected through the rear mold ejecting piece, namely, the problem of difficult demolding of the plastic cover plate is solved in a front-rear bidirectional ejecting mode.
Description
Technical Field
The utility model relates to the technical field of molds, in particular to a plastic cover plate injection mold.
Background
The injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. Specifically, the heated and melted plastic is injected into a die cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling and solidification. The structure of the injection mold is also complicated and various due to the influence of injection molding pieces with different shapes.
As shown in fig. 1, a plastic cover plate 20 is shown, the upper surface of the plastic cover plate 20 is provided with a plurality of first fastening holes 21, and the demoulding direction of each first fastening hole 21 is perpendicular to the longitudinal demoulding direction, so that each first fastening hole 21 can obstruct the normal mould opening action of the front mould and the rear mould, and the lateral parting mode is also obstructed because the side of the first fastening hole 21 is also provided with a convex rib plate 22; in addition, the first fastening hole 21 is filled up, and then punching processing is performed later, but this mode is time-consuming and labor-consuming, and has low efficiency.
How to design an injection mold that can solve the problem that the plastic cover plate 20 cannot be normally demolded due to the first fastening hole 21 and ensure the production efficiency is a problem that the research and development personnel in the field continue to solve.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a front-back double-pushing-out structure, so that the problem of difficult demolding of a plastic cover plate can be solved.
The aim of the utility model is realized by the following technical scheme:
a plastic cover plate injection mold comprising: the front die assembly comprises a front die frame and a forming front die, and the forming front die is arranged on the front die frame; the rear die assembly comprises a rear die frame and a forming rear die, the forming rear die is arranged on the rear die frame, a plurality of lateral forming inserts are arranged between the forming front die and the forming rear die, and a forming die cavity of a plastic cover plate is formed by the forming end face of each lateral forming insert, the outer surface of one side of the forming front die, which faces the forming rear die, and the outer surface of one side of the forming rear die, which faces the forming front die; the double-pushing structure comprises a front mold pushing piece and a rear mold pushing piece, the front mold pushing piece is arranged on the front mold frame, the rear mold pushing piece is arranged on the rear mold frame, the front mold pushing piece comprises a front mold pushing plate and a plurality of front mold pushing rods, the front mold pushing plate is arranged on the front mold frame, the front mold pushing rods are obliquely arranged on the front mold pushing plate, the front mold pushing rods are provided with forming convex blocks, the forming convex blocks are used for forming first buckling holes, the front mold pushing plate is used for driving the front mold pushing rods to move towards the direction of the forming rear mold so that the forming convex blocks move towards the direction away from the first buckling holes, and the rear mold pushing piece is used for pushing the plastic cover plate to move towards the direction away from the forming rear mold.
In one embodiment, the front mold frame comprises a first front mold plate, a second front mold plate and a third front mold plate, the first front mold plate, the second front mold plate and the third front mold plate are sequentially stacked from top to bottom, and the forming front mold is arranged on the third front mold plate.
In one embodiment, the second front mold plate is provided with a front mold moving cavity, and the front mold pushing plate is accommodated on the front mold moving cavity.
In one embodiment, the front mold pushing piece further comprises a front mold guide rod and a front mold return spring, the front mold guide rod is arranged on the second front mold plate and the front mold pushing plate in a penetrating mode, the front mold return spring is sleeved on the front mold guide rod, one end of the front mold return spring is connected with the second front mold plate, and the other end of the front mold return spring is connected with the front mold pushing plate.
In one embodiment, the rear mold frame includes a first rear mold plate, a plurality of raised blocks and a second rear mold plate, each raised block is disposed between the first rear mold plate and the second rear mold plate, the molded rear mold is disposed on the second rear mold plate, and one side of the second rear mold plate facing the molded front mold and one side of the third front mold plate facing the molded rear mold are propped against each other.
In one embodiment, the rear mold pushing member includes a rear mold pushing plate, a rear mold fixing plate and a plurality of rear mold pushing columns, each rear mold pushing column is disposed on the rear mold fixing plate, the rear mold pushing column is slidably disposed on the second rear mold plate, the rear mold fixing plate is disposed on the rear mold pushing plate, and the rear mold pushing plate is used for driving each rear mold pushing column to move in a direction approaching to the front molding mold, so that the plastic cover plate is separated from the rear molding mold.
In one embodiment, a rear mold moving cavity is provided between the first rear mold plate and the second rear mold plate, and the rear mold pushing plate and the rear mold fixing plate are accommodated on the rear mold moving cavity.
In one embodiment, the rear mold pushing-out piece further includes a plurality of rear mold guide posts, and each rear mold guide post is slidably disposed through the rear mold pushing plate and the rear mold fixing plate.
In one embodiment, the rear mold pushing member further comprises a rear mold guide rod and a rear mold return spring, the rear mold guide rod is arranged on the second rear mold plate and the rear mold fixing plate in a penetrating manner, the rear mold return spring is sleeved on the rear mold guide rod, one end of the rear mold return spring is connected with the second rear mold plate, and the other end of the rear mold return spring is connected with the rear mold push plate.
In one embodiment, the first rear mold plate is further provided with a limiting cushion block, the limiting cushion block is located between the first rear mold plate and the rear mold pushing plate, and the limiting cushion block is used for limiting the rear mold pushing plate.
Compared with the prior art, the utility model has at least the following advantages:
the plastic cover plate injection mold is provided with the front mold assembly, the rear mold assembly and the double push-out structures, so that a molding cavity of the plastic cover plate can be formed by each lateral molding insert, the molding front mold and the molding rear mold together, and the plastic cover plate is molded by the molding cavity; through setting up front mould release piece and back mould release piece to can carry out shaping operation to first buckle hole through the shaping lug on the front mould ejector pin, still can be through setting up front mould ejector pin on the front mould, thereby when realizing front and back mould die sinking, the front mould ejector pad drives the front mould ejector pin simultaneously and moves to the direction slant that keeps away from first buckle hole, thereby realize after the front and back mould is totally opened in place, the front mould ejector pin is first to leave first buckle hole, accomplish the drawing of patterns operation in first buckle hole, avoid first buckle hole to influence normal drawing of patterns, later rethread back mould ejector pin is ejecting shaping die cavity totally with the plastics apron, so, through the mode of two-way release around, the difficult problem of plastics apron drawing of patterns is solved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described.
FIG. 1 is a schematic view of a plastic cover plate;
FIG. 2 is a schematic diagram of a plastic cover injection mold according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of the plastic cover injection mold of FIG. 2;
fig. 4 is a schematic cross-sectional view of the plastic cover plate injection mold of fig. 2 from another perspective.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings.
Referring to fig. 1, 2, 3 and 4, a plastic cover plate injection mold 10 includes: the front mold assembly 100, the rear mold assembly 200 and the dual push-out structure 300, the front mold assembly 100 comprises a front mold frame 110 and a molding front mold 120, the molding front mold 120 is arranged on the front mold frame 110; the rear mold assembly 200 comprises a rear mold frame 210 and a molding rear mold 220, wherein the molding rear mold 220 is arranged on the rear mold frame 210, a plurality of lateral molding inserts 400 are arranged between the molding front mold 120 and the molding rear mold 220, and a molding cavity of the plastic cover plate 20 is formed by the molding end surface of each lateral molding insert 400, the outer surface of one side of the molding front mold 120 facing the molding rear mold 220 and the outer surface of one side of the molding rear mold 220 facing the molding front mold 120; the dual ejecting structure 300 includes a front mold ejecting member 310 and a rear mold ejecting member 320, the front mold ejecting member 310 is disposed on the front mold frame 110, the rear mold ejecting member 320 is disposed on the rear mold frame 210, the front mold ejecting member 310 includes a front mold pushing plate 311 and a plurality of front mold pushing rods 312, the front mold pushing plate 311 is disposed on the front mold frame 110, each front mold pushing rod 312 is obliquely disposed on the front mold pushing plate 312, and each front mold pushing rod 312 is provided with a molding bump 312a, the molding bump 312a is used for molding the first fastening hole 21, the front mold pushing plate 312 is used for driving each front mold pushing rod 312 to move in a direction of the molding rear mold 220, so that the molding bump 312a moves in a direction away from the first fastening hole 21, and the rear mold ejecting member 320 is used for pushing the plastic cover plate 20 to move in a direction away from the molding rear mold 220.
It should be noted that, the front mold frame 110 is installed at an injection end of the injection molding machine, the front mold frame 110 is used for fixing the molding front mold 120, the rear mold frame 210 is installed at a moving end of the injection molding machine, the rear mold frame 210 is used for fixing the molding rear mold 220, a plurality of lateral molding inserts 400 are disposed between the molding front mold 120 and the molding rear mold 220, and a molding cavity of the plastic cover plate 20 is formed by a molding end face of each lateral molding insert 400, an outer surface of one side of the molding front mold 120 facing the molding rear mold 220, and an outer surface of one side of the molding rear mold 220 facing the molding front mold 120; the front die frame 110 is also provided with a pouring system, the pouring system is connected with an injection molding end of the injection molding machine, when the molding front die 120-level molding rear die 220 is in a die closing state, the injection molding machine injects plastic liquid into a molding die cavity through the pouring system, and after the plastic liquid is solidified, demolding operation can be performed; specifically, when demolding is performed, the moving end of the injection molding machine starts to drive the rear mold frame 210 to move in a direction away from the front mold frame 110, at this time, the front molding mold 120 and the rear molding mold 220 start to be separated from each other, and meanwhile, as each lateral molding insert 400 affects the normal mold opening of the front molding mold 120 and the rear molding mold 220, each lateral molding insert 400 is respectively connected with each lateral parting slide by arranging a plurality of lateral parting slides, and likewise, each lateral parting slide is respectively arranged between the front mold frame 110 and the rear mold frame 210, and when the rear mold frame 210 moves in a direction away from the front mold frame 110, each lateral parting slide simultaneously drives each lateral molding insert 400 to move in a direction away from a finished plastic cover plate; further, the first fastening hole 21 on the plastic cover 20 is also affecting the normal open mode of the front forming die 120 and the back forming die 220, since the side edge of the first fastening hole 21 is also provided with the protruding rib plate 22, the first fastening hole 21 cannot be opened laterally, so by providing the double push-out structure 300, the front forming die push-out member 310 is provided on the front die frame 110, by providing the forming protruding block 312a on the front forming push rod 312, the forming protruding block 312a is utilized to perform the forming operation on the first fastening hole 21, the front forming push plate 311 simultaneously moves towards the direction approaching to the back forming die 220 while moving away from the front forming die 120, namely, drives each front forming push rod 312 to move obliquely towards the direction approaching to the back forming die 220, and since the front forming push rod 312 is arranged obliquely, the forming protruding block 312a on the front forming push rod 312 gradually moves towards the direction approaching to the back forming hole 21 during the moving process; that is, while the front molding die 120 and the rear molding die 220 are opened, the lateral molding inserts 400 and the molding bosses 312a are simultaneously moved away from the plastic cover plate 20, so that the first fastening holes 21 can be prevented from obstructing the normal opening of the front molding die 120 and the rear molding die 220, the whole die structure can be more compact, the opening operation is more consistent and smooth, and the production efficiency can be further improved; after the front molding die 120 and the rear molding die 220 are opened in place, the plastic cover plate 20 stays on the rear molding die 220, and at the moment, the plastic cover plate 20 is pushed out of the rear molding die 220 through the rear die pushing-out piece 320 arranged on the rear die carrier 210, so that the final demolding operation is finished, the problem of difficult demolding of the plastic cover plate 20 is solved through a front-rear bidirectional pushing-out mode, and meanwhile, the production efficiency of the plastic cover plate 20 is also improved.
In one embodiment, the front mold frame 110 includes a first front mold plate 111, a second front mold plate 112, and a third front mold plate 113, where the first front mold plate 111, the second front mold plate 112, and the third front mold plate 113 are sequentially stacked from top to bottom, and the molding front mold 120 is disposed on the third front mold plate 113.
It should be noted that, the first front mold plate 111 is fixed at an injection end of the injection molding machine, an injection port of the pouring system is located on the first front mold plate 111, in this embodiment, a front mold moving cavity is formed on the second front mold plate 112, and a front mold pushing plate 312 is accommodated on the front mold moving cavity, wherein the height of the front mold moving cavity needs to ensure that the front mold pushing plate 312 has a sufficient moving distance so as to ensure that the forming protruding block 312a can be completely separated from the first fastening hole 21; further, the third front mold plate 113 is provided with a fixing cavity, and the forming front mold 120 is fixed on the fixing cavity through bolt installation, so that the forming front mold 120 can be conveniently detached and replaced later, and the service life of the mold is prolonged.
Further, the front mold pushing member 310 further includes a front mold guide rod 313 and a front mold return spring 314, the front mold guide rod 313 is disposed on the second front mold plate 112 and the front mold pushing plate 311 in a penetrating manner, the front mold return spring 314 is disposed on the front mold guide rod 313 in a sleeved manner, one end of the front mold return spring 314 is connected with the second front mold plate 112, and the other end of the front mold return spring 314 is connected with the front mold pushing plate 311.
It should be noted that, by setting the front mold guide rod 313, the movement of the front mold pushing plate 311 can be more stable, and by setting the front mold return spring 314, the front mold pushing plate 311 can be reset after the pushing action is completed, and the movement of the front mold pushing plate 311 can be buffered, so that the movement stability of the front mold pushing plate 311 is ensured; specifically, each front mold pushing rod 312 is slidably disposed through the third front mold plate 113 and the molding front mold 120 until the molding protrusion 312a abuts against the first fastening hole 21.
In an embodiment, the rear mold frame 210 includes a first rear mold plate 211, a plurality of raised blocks 212 and a second rear mold plate 213, each raised block 212 is disposed between the first rear mold plate 211 and the second rear mold plate 213, the molding rear mold 220 is disposed on the second rear mold plate 213, and a side surface of the second rear mold plate 213 facing the molding front mold 120 abuts against a side surface of the third front mold plate 113 facing the molding rear mold 220.
It should be noted that, the first rear mold plate 211 is fixed at the moving end of the injection molding machine, the second rear mold plate 213 is also provided with a fixing cavity, and the molded rear mold 220 is fixed on the fixing cavity by the installation of bolts, so that the molded rear mold 220 is convenient to be disassembled and maintained subsequently, and the service life of the mold is prolonged.
Further, the rear mold pushing member 320 includes a rear mold pushing plate 321, a rear mold fixing plate 322 and a plurality of rear mold pushing columns 323, each rear mold pushing column 323 is disposed on the rear mold fixing plate 322, and the rear mold pushing columns 323 are slidably disposed on the second rear mold plate 213, the rear mold fixing plate 322 is disposed on the rear mold pushing plate 321, and the rear mold pushing plate 321 is used for driving each rear mold pushing column 323 to move in a direction approaching to the front mold 120, so as to separate the plastic cover plate 20 from the rear mold 220.
It should be noted that, after the front molding die 120 and the rear molding die 220 are completely opened in place, the rear molding push plate 321 drives the rear molding push post 323 to move in a direction approaching to the front molding die 120, so that the rear molding push post 323 completely pushes the plastic cover plate 20 out of the rear molding die 220, thereby completing the final demolding operation. Further, a rear mold moving cavity is disposed between the first rear mold plate 211 and the second rear mold plate 213, the rear mold pushing plate 321 and the rear mold fixing plate 322 are accommodated in the rear mold moving cavity, and the height of the rear mold moving cavity must ensure that the rear mold pushing plate 321 and the rear mold fixing plate 322 have enough moving space, so that the rear mold pushing post 323 can be ensured to push the plastic cover plate 20 out of the rear mold 220 for molding. Further, in this embodiment, the first rear mold plate 211 is further provided with a limiting cushion block 211a, the limiting cushion block 211a is located between the first rear mold plate 211 and the rear mold push plate 321, the limiting cushion block 211a is used for limiting the rear mold push plate 321, and the limiting cushion block 211a can be made of a buffering material such as rubber, so as to ensure that the rear mold push plate 321 is limited and buffered, avoid damage to the mold, and further improve the service life of the mold.
Further, the rear mold ejector 320 further includes a plurality of rear mold guide posts 324, and each rear mold guide post 324 is slidably disposed on the rear mold push plate 321 and the rear mold fixing plate 322.
It should be noted that, the rear mold guide post 324 is located on the rear mold moving cavity, and two ends of the rear mold guide post 324 are respectively connected with the first rear mold plate 211 and the second rear mold plate 213, and the rear mold push plate 321 and the rear mold fixing plate 322 slide along each rear mold guide post 324, so that the moving stability of the rear mold push plate 321 and the rear mold fixing plate 322 can be ensured.
Further, the rear mold pushing-out member 320 further includes a rear mold guide rod 325 and a rear mold return spring 326, the rear mold guide rod 325 is disposed on the second rear mold plate 213 and the rear mold fixing plate 322 in a penetrating manner, the rear mold return spring 326 is disposed on the rear mold guide rod 325 in a sleeved manner, one end of the rear mold return spring 326 is connected with the second rear mold plate 213, and the other end of the rear mold return spring 326 is connected with the rear mold push plate 321.
It should be noted that, the rear mold guide rod 325 is provided to make the movement of the rear mold push plate 321 more stable, and the rear mold return spring 326 is provided to reset the rear mold push plate 321 after the push-out operation is completed, and to buffer the movement of the rear mold push plate 321, thereby ensuring the movement stability of the rear mold push plate 321.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model, which are within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A plastic cover plate injection mold, comprising:
the front die assembly comprises a front die frame and a forming front die, and the forming front die is arranged on the front die frame;
the rear die assembly comprises a rear die frame and a rear forming die, the rear forming die is arranged on the rear die frame, a plurality of lateral forming inserts are arranged between the front forming die and the rear forming die, and a forming die cavity of a plastic cover plate is formed by the forming end face of each lateral forming insert, the outer surface of one side of the front forming die facing the rear forming die and the outer surface of one side of the rear forming die facing the front forming die; and
The double-pushing structure comprises a front mold pushing piece and a rear mold pushing piece, wherein the front mold pushing piece is arranged on the front mold frame, the rear mold pushing piece is arranged on the rear mold frame, the front mold pushing piece comprises a front mold pushing plate and a plurality of front mold pushing rods, the front mold pushing plate is arranged on the front mold frame, each front mold pushing rod is obliquely arranged on the front mold pushing plate, each front mold pushing rod is provided with a forming convex block, each forming convex block is used for forming a first buckle hole, the front mold pushing plate is used for driving each front mold pushing rod to move in the direction of the forming rear mold so as to enable the forming convex blocks to move in the direction away from the first buckle holes, and the rear mold pushing piece is used for pushing the plastic cover plate to move in the direction away from the forming rear mold.
2. The plastic cover plate injection mold of claim 1, wherein the front mold frame comprises a first front mold plate, a second front mold plate and a third front mold plate, the first front mold plate, the second front mold plate and the third front mold plate are sequentially stacked from top to bottom, and the molding front mold is arranged on the third front mold plate.
3. The plastic cover plate injection mold of claim 2, wherein a front mold moving cavity is formed in the second front mold plate, and the front mold pushing plate is accommodated in the front mold moving cavity.
4. The plastic cover plate injection mold of claim 3, wherein the front mold pushing member further comprises a front mold guide rod and a front mold return spring, the front mold guide rod is arranged on the second front mold plate and the front mold pushing plate in a penetrating manner, the front mold return spring is sleeved on the front mold guide rod, one end of the front mold return spring is connected with the second front mold plate, and the other end of the front mold return spring is connected with the front mold pushing plate.
5. The plastic cover injection mold of claim 4, wherein the back mold frame comprises a first back mold plate, a plurality of raised blocks and a second back mold plate, wherein each raised block is arranged between the first back mold plate and the second back mold plate, the molded back mold is arranged on the second back mold plate, and one side surface of the second back mold plate facing the molded front mold and one side surface of the third front mold plate facing the molded back mold are propped against each other.
6. The injection mold of claim 5, wherein the back mold pushing member comprises a back mold pushing plate, a back mold fixing plate and a plurality of back mold pushing posts, each of the back mold pushing posts is disposed on the back mold fixing plate, the back mold pushing posts slide through the second back mold plate, the back mold fixing plate is disposed on the back mold pushing plate, and the back mold pushing plate is used for driving each of the back mold pushing posts to move in a direction approaching to the molding front mold so as to separate the plastic cover plate from the molding back mold.
7. The plastic cover injection mold of claim 6, wherein a rear mold moving cavity is provided between the first rear mold plate and the second rear mold plate, and the rear mold pushing plate and the rear mold fixing plate are accommodated on the rear mold moving cavity.
8. The plastic closure injection mold of claim 6, wherein said rear mold ejector further comprises a plurality of rear mold guide posts, each of said rear mold guide posts slidably disposed through said rear mold push plate and said rear mold retention plate.
9. The plastic cover injection mold of claim 6, wherein the rear mold pushing-out member further comprises a rear mold guide rod and a rear mold return spring, the rear mold guide rod is arranged on the second rear mold plate and the rear mold fixing plate in a penetrating manner, the rear mold return spring is sleeved on the rear mold guide rod, one end of the rear mold return spring is connected with the second rear mold plate, and the other end of the rear mold return spring is connected with the rear mold pushing plate.
10. The plastic cover plate injection mold of claim 6, wherein a limit cushion block is further arranged on the first rear mold plate, the limit cushion block is located between the first rear mold plate and the rear mold pushing plate, and the limit cushion block is used for limiting the rear mold pushing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223505368.2U CN219133055U (en) | 2022-12-26 | 2022-12-26 | Plastic cover plate injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223505368.2U CN219133055U (en) | 2022-12-26 | 2022-12-26 | Plastic cover plate injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219133055U true CN219133055U (en) | 2023-06-06 |
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ID=86564210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223505368.2U Active CN219133055U (en) | 2022-12-26 | 2022-12-26 | Plastic cover plate injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219133055U (en) |
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2022
- 2022-12-26 CN CN202223505368.2U patent/CN219133055U/en active Active
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