CN211054303U - Injection mold for perforated shell product - Google Patents
Injection mold for perforated shell product Download PDFInfo
- Publication number
- CN211054303U CN211054303U CN201922074009.8U CN201922074009U CN211054303U CN 211054303 U CN211054303 U CN 211054303U CN 201922074009 U CN201922074009 U CN 201922074009U CN 211054303 U CN211054303 U CN 211054303U
- Authority
- CN
- China
- Prior art keywords
- plate
- runner
- ejector
- mold
- ejector rod
- 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.)
- Active
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides an injection mold for a perforated shell product, which comprises a fixed template, a movable template, an upper mold core, a lower mold core, a cushion block, a bottom plate, a casting system and an ejection mechanism; the pouring system comprises a main runner inlet, a main runner, a sprue bush, a cold material cavity, a sub-runner, a sprue, a sub-runner push rod and a material pulling rod; the ejection mechanism comprises an ejector rod bottom plate, an ejector rod plate, a fixing block and an ejector rod. The utility model solves the problem that one side of the mould generates flash or the core is dislocated and deformed by arranging the main runner at one end of the upper mould core in an inclined way and deviating to the middle part of the injection mould for the shell product with more and larger perforations in the middle part; the tail end of the pouring gate is arranged on the inner surface of the perforated shell product, so that the automation degree of production of the product can be enhanced, the manual pouring gate removal is avoided, the production efficiency is improved, and the better injection molding effect is achieved.
Description
Technical Field
The utility model relates to an injection moulding technology field especially relates to an injection mold of perforation casing goods.
Background
The injection molding process is a process for manufacturing a product with a certain shape by pressurizing, injecting, cooling, separating and the like molten raw materials. The injection molding process of the plastic part mainly comprises the stages of mold closing, filling, pressure maintaining, cooling, mold opening, mold stripping and the like.
In the injection molding process, a pouring system refers to a runner part before molten raw materials enter a cavity from a nozzle of an injection molding machine; the demoulding mechanism is mainly responsible for demoulding the cooled and solidified plastic part from the mould, is also called as an ejection mechanism and mainly adopts the methods of thimble demoulding, push plate demoulding, pneumatic demoulding, internal thread demoulding and the like.
For most injection molding products, the position of a main runner is generally required to coincide with the center of a mold as much as possible, otherwise, flashing is generated on one side of the mold or a core is dislocated and deformed; however, for a shell product with a large number of large through holes in the middle, the injection effect can be influenced by arranging the main runner in the center of the mold, and further the molded product is influenced; improper gate arrangement of the injection mold can also affect
The quality of such articles and the degree of automation of the production of the articles.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an injection mold for a perforated shell product.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an injection mold for a perforated shell product comprises a fixed mold plate, a movable mold plate, an upper mold core, a lower mold core, a cushion block, a bottom plate, a pouring system and an ejection mechanism; the fixed template is arranged above the movable template; the upper die core is arranged in the fixed die plate; the lower mold core corresponding to the upper mold core is arranged on the movable mold plate; the cushion block is arranged below the movable template; the bottom plate is arranged below the cushion block; the pouring system comprises a main runner inlet, a main runner, a sprue bush, a cold material cavity, a sub-runner, a sprue, a sub-runner push rod and a material pulling rod; the main runner is obliquely arranged in the fixed template and the upper mold core, is positioned at one end of the upper mold core, and is deviated to the middle part of the fixed template; the main flow channel inlet is arranged on the main flow channel and communicated with the main flow channel; the sprue bush is arranged around the main runner; the cold material hole is arranged at the tail end of the main flow channel and communicated with the main flow channel; the sub-flow passage is arranged at the tail end of the cold material hole and communicated with the cold material hole; the sprue is arranged at the tail end of the sub-runner and communicated with the sub-runner, and the tail end of the sprue is arranged on the inner surface of the perforated shell product; the branch channel push rod is arranged below the branch channel; the material pulling rod is arranged below the cold material hole; the ejection mechanism comprises an ejector rod bottom plate, an ejector rod plate, a fixed block and an ejector rod; the ejector rod bottom plate is arranged above the bottom plate; the ejector rod plate is arranged on the ejector rod bottom plate; the fixed block is fixedly arranged on the ejector rod plate; the ejector rod is fixedly arranged on the fixed block and obliquely and upwards penetrates through the movable template and the lower die core, and the ejector rod is deviated to the middle part of the lower die core; the material pulling rod penetrates through the movable template, and the lower end of the material pulling rod is fixed on the ejector rod plate.
Further, the tip of the gate is located at the center of the perforated shell article.
Further, the injection mold for the perforated shell product also comprises a fixed mold seat plate; the fixed die base plate is arranged above the fixed die plate; the main runner inlet is located in the stationary mold base plate.
Further, the main flow channel inlet is in a shape of an inclined pit.
Further, the sprue bush is fixed on the fixed die plate through screws.
Furthermore, the branch channel push rod is T-shaped.
Furthermore, the number of the top rods is two; the two ejector rods are oppositely arranged.
Further, the number of the ejector rod bottom plates and the number of the ejector rod plates are respectively the same as that of the ejector rods.
Furthermore, a small guide pillar is arranged on the ejector rod bottom plate; the small guide post penetrates into the fixing block.
Furthermore, a spring is fixedly arranged on the ejector rod plate, and the upper end face of the spring is in contact with the lower end face of the movable template.
Compared with the prior art, the beneficial effects of the utility model are that: for a shell product with more and larger through holes in the middle, the main runner is obliquely arranged at one end of the upper die core and is deviated to the middle of the injection mold, so that the problem of flash or core dislocation deformation generated on one side of the mold is solved, and the problem of difficult injection of the product is also solved; the tail end of the pouring gate is arranged on the inner surface of a perforated shell product, and the pushing-out action of the material pulling rod and the runner push rod is matched, so that the automation degree of production of the product can be enhanced, the pouring gate is prevented from being removed manually, the production efficiency is improved, and the better injection molding effect is achieved.
Drawings
Fig. 1 is a front view of an injection mold according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a perforated casing product according to an embodiment of the present invention, in cooperation with a sprue, a runner, a cold material cavity, and a runner push rod;
FIG. 3 is a cross-sectional view of a perforated casing article in accordance with an embodiment of the present invention in combination with a sprue, a runner, a cold sink, and a runner pushrod;
fig. 4 is a schematic view of the external structure of a perforated shell article according to an embodiment of the present invention;
fig. 5 is a schematic view of the internal structure of a perforated shell article according to an embodiment of the present invention;
the injection molding machine comprises a fixed mold base plate 1, a fixed mold plate 2, a movable mold plate 5, an upper mold core 3, a lower mold core 4, a cushion block 6, a bottom plate 7, a casting system 8, a main runner inlet 81, a main runner 82, a sprue bush 83, a cold material cavity 84, a sub-runner 85, a sprue 86, a sub-runner push rod 87, a material pulling rod 88, a screw 89, an ejection mechanism 9, an ejector rod bottom plate 91, an ejector rod plate 92, a fixed block 93, an ejector rod 94, a small guide pillar 95, a spring 96 and a perforated shell product 10.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1 to 5, the present invention provides an injection mold for a perforated shell product, including a fixed mold plate 2, a movable mold plate 5, an upper mold core 3, a lower mold core 4, a cushion block 6, a bottom plate 7, a casting system 8 and an ejection mechanism 9; the fixed template 2 is arranged above the movable template 5; the upper die core 3 is arranged in the fixed die plate 2; the lower mold core 4 corresponding to the upper mold core 3 is arranged on the movable mold plate 5; the cushion block 6 is arranged below the movable template 5; the bottom plate 7 is arranged below the spacer 6. The gating system 8 comprises a main runner inlet 81, a main runner 82, a sprue bush 83, a cold material cavity 84, a sub-runner 85, a sprue 86, a sub-runner push rod 87 and a material pulling rod 88; the main flow channel 82 is obliquely arranged in the fixed mold plate 2 and the upper mold core 3, the main flow channel 82 is positioned at one end (the right end shown in fig. 1) of the upper mold core 3, and the main flow channel 82 is deviated to the middle part of the fixed mold plate 2; the main flow channel inlet 81 is disposed on the main flow channel 82 and communicates with the main flow channel 82; a sprue bush 83 is provided around the main runner 82; the cold material cavity 84 is arranged at the tail end of the main flow channel 82 and communicated with the main flow channel 82; the branch channel 85 is arranged at the tail end of the cold material hole 84 and is communicated with the cold material hole 84; the gate 86 is arranged at the end of the runner 85 and communicated with the runner 85, and the end of the gate 86 is arranged on the inner surface of the perforated shell product 10; a branch channel push rod 87 is arranged below the branch channel 85; a puller bar 88 is disposed below the cold pocket 84. In the embodiment of the utility model, based on the shell product with more and larger perforations in the middle, the main runner 82 is arranged at one end of the upper mold core, so as to avoid the problem of flash generation or core dislocation deformation on one side of the injection mold, and the main runner 82 is deviated to the middle part of the injection mold; the tail end of the sprue is arranged on the inner surface of the perforated shell product, and the pushing-out action of the material pulling rod and the runner push rod is matched, so that the automation degree of production of the product can be enhanced, and the sprue is prevented from being removed manually.
The ejection mechanism 9 comprises an ejector rod bottom plate 91, an ejector rod plate 92, a fixed block 93 and an ejector rod 94; the mandril bottom plate 91 is arranged on the bottom plate 7; the ejector plate 92 is arranged above the ejector base plate 91; the fixed block 93 is fixedly arranged on the ejector rod plate 92; the ejector rod 94 is fixedly arranged on the fixed block 93 and obliquely penetrates through the movable template 5 and the lower mold core 4 upwards, and the ejector rod 94 deviates to the middle part of the lower mold core 4; the pulling rod 88 passes through the movable die plate 5 and the lower end of the pulling rod 88 is fixed on the ejector plate 92. The utility model discloses the perforation casing goods of embodiment have barb 11, so set up the ejector pin into inclined structure.
The end of the gate 86 is located in the center of the perforated shell article 10. The placement of the gate 86 in the center of the perforated shell article 10 facilitates uniform and rapid packing.
The injection mold of the perforated shell product also comprises a fixed mold base plate 1; the fixed die base plate 1 is arranged on the fixed die plate 2; the main flow channel inlet 81 is located in the stationary mold base plate 1.
The main flow channel inlet 81 is in the form of an inclined pit. The main flow channel inlet 81 is also provided with an inclined structure in order to fit the main flow channel 82.
The sprue bush 83 is fixed to the stationary die plate 2 by screws 89. The sprue bushing 83 is fixed to fit the main runner 82 to the nozzle hole of the injection molding machine and to withstand the back pressure of the molten material so as not to be pushed out of the injection mold.
The runner push rod 87 is T-shaped. The sub-runners 85 are arranged on a T-shaped sub-runner push rod 87, so that the condensed materials of the sub-runners 85 can be conveniently pushed out after the mold is opened.
Two ejector rods 94 are provided; the two carrier rods 94 are arranged opposite to each other. Two ejector pins 94 are respectively provided at both ends of the perforated shell product 10, facilitating effective ejection of the perforated shell product 10.
The number of the jack base plates 91 and the jack plates 92 is the same as the number of the jacks 94, respectively.
A small guide pillar 95 is arranged on the ejector rod bottom plate 91; the small guide post 95 penetrates the fixing block 93. The small guide post 95 mainly plays a role in guiding, so that the ejector plate 92 can accurately return to the ejector base plate 91 after demolding.
A spring 96 is fixedly arranged on the ejector rod plate 92, and the upper end surface of the spring 96 is contacted with the lower end surface of the movable die plate 5. The spring 96 is mainly used for resetting the ejection mechanism 9.
The working process of the embodiment of the utility model comprises the steps that after the fixed die plate 2 and the movable die plate 5 are assembled, a melting raw material is injected into a nozzle of an injection molding machine, flows into a main runner 82 through a main runner inlet 81, then flows into a cold material hole 84 and a runner 85, reaches a pouring gate 86, and is injected into a cavity formed by an upper die core 3 and a lower die core 4, the injection molding die is insulated, maintained and cooled, when the die is opened, the fixed die plate 2 and the movable die plate 5 are opened according to a parting surface P L, a perforated shell product 10 is wrapped on the lower die core 4, a push rod of the injection molding machine pushes a push rod bottom plate 91 through pushing, so that a push rod plate 92, a fixed block 93 and a push rod 94 move upwards, the perforated shell product 10 is ejected, meanwhile, the pouring gate 86 is pulled to be broken, the material pulling rod 88 and the runner push rod 87 push rod to respectively push out the congelation.
The utility model, for the shell product with more and larger perforations in the middle, not only solves the problem of flash or core dislocation deformation on one side of the mould, but also solves the problem of difficult injection of the product by arranging the main runner at one end of the upper mould core in an inclined way and deviating to the middle part of the injection mould; the tail end of the pouring gate is arranged on the inner surface of a perforated shell product, and the pushing-out action of the material pulling rod and the runner push rod is matched, so that the automation degree of production of the product can be enhanced, the pouring gate is prevented from being removed manually, the production efficiency is improved, and the better injection molding effect is achieved.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (10)
1. An injection mold for a perforated shell product is characterized by comprising a fixed mold plate, a movable mold plate, an upper mold core, a lower mold core, a cushion block, a bottom plate, a pouring system and an ejection mechanism;
the fixed template is arranged above the movable template; the upper die core is arranged in the fixed die plate; the lower die core corresponding to the upper die core is arranged on the movable die plate; the cushion block is arranged below the movable template; the bottom plate is arranged below the cushion block;
the pouring system comprises a main runner inlet, a main runner, a sprue bush, a cold material cavity, a sub-runner, a sprue, a sub-runner push rod and a material pulling rod; the main runner is obliquely arranged in the fixed template and the upper mold core, is positioned at one end of the upper mold core, and is deviated to the middle part of the fixed template; the main flow channel inlet is arranged on the main flow channel and communicated with the main flow channel; the sprue bush is arranged around the main runner; the cold material hole is arranged at the tail end of the main flow channel and communicated with the main flow channel; the sub-flow passage is arranged at the tail end of the cold material hole and communicated with the cold material hole; the sprue is arranged at the tail end of the sub-runner and communicated with the sub-runner, and the tail end of the sprue is arranged on the inner surface of the perforated shell product; the branch channel push rod is arranged below the branch channel; the material pulling rod is arranged below the cold material hole;
the ejection mechanism comprises an ejector rod bottom plate, an ejector rod plate, a fixed block and an ejector rod; the ejector rod bottom plate is arranged above the bottom plate; the ejector rod plate is arranged on the ejector rod bottom plate; the fixed block is fixedly arranged on the ejector rod plate; the ejector rod is fixedly arranged on the fixed block and obliquely and upwards penetrates through the movable template and the lower die core, and the ejector rod is deviated to the middle part of the lower die core;
the material pulling rod penetrates through the movable template, and the lower end of the material pulling rod is fixed on the ejector rod plate.
2. The injection mold for a perforated casing article as recited in claim 1, wherein the tip of the gate is located at a center of the perforated casing article.
3. The injection mold for a perforated casing article of claim 1 further comprising a stationary mold base plate; the fixed die base plate is arranged above the fixed die plate; the main runner inlet is located in the stationary mold base plate.
4. An injection mold for a perforated casing article as in claim 1, wherein the primary runner inlet is in the form of an inclined dimple.
5. An injection mold for a perforated casing article as recited in claim 1, wherein said sprue bushing is secured to said stationary platen by screws.
6. The injection mold for a perforated casing article of claim 1 wherein the runner bar is T-shaped.
7. The injection mold for a perforated casing article of claim 1 wherein there are two ejector pins; the two ejector rods are oppositely arranged.
8. The injection mold for a perforated casing article as recited in claim 1, wherein the number of the ejector base plates and the number of the ejector plates are respectively the same as the number of the ejector pins.
9. The injection mold for a perforated shell article as recited in claim 1, wherein the ejector bottom plate is provided with a small guide post; the small guide post penetrates into the fixing block.
10. The injection mold for a perforated shell article as recited in claim 1, wherein a spring is fixedly disposed on the ejector plate, and an upper end surface of the spring contacts with a lower end surface of the movable platen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074009.8U CN211054303U (en) | 2019-11-27 | 2019-11-27 | Injection mold for perforated shell product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074009.8U CN211054303U (en) | 2019-11-27 | 2019-11-27 | Injection mold for perforated shell product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211054303U true CN211054303U (en) | 2020-07-21 |
Family
ID=71591821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922074009.8U Active CN211054303U (en) | 2019-11-27 | 2019-11-27 | Injection mold for perforated shell product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211054303U (en) |
-
2019
- 2019-11-27 CN CN201922074009.8U patent/CN211054303U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109551712B (en) | Compound bottle lid injection mold of two die sinking structures of last mould quartic lower mould | |
| CN105415588A (en) | Injection molding process and mold for remote controllers | |
| CN211054303U (en) | Injection mold for perforated shell product | |
| CN203765941U (en) | Die for internally pouring and pushing out product at fixed die | |
| CN203171965U (en) | Full-automatic progressive precision injection mold frame | |
| CN217476521U (en) | Product and material handle automatic separation inscribe mechanism of pipe fitting injection mold | |
| CN202388722U (en) | Injection mold capable of automatically removing nozzle | |
| CN212795714U (en) | Clothes hanger main part forming die | |
| CN210308893U (en) | Injection mold easy to demold | |
| CN207432696U (en) | Tunnel gate ejecting mechanism and injection mold in sliding block | |
| CN205969750U (en) | Kneader casing injection mold | |
| CN220146583U (en) | Injection mold of integrative drawing of patterns | |
| CN215550523U (en) | Injection mold with mold insert capable of being demolded externally | |
| KR20160094630A (en) | Two-stage extraction device when the runner gate entry for molded prevent damage | |
| CN216400376U (en) | Automatic cut injection mold in mouth of a river | |
| CN215095338U (en) | Thin thimble ejection type inclined core-pulling injection mold | |
| CN218749093U (en) | Plastic mould slider delays demoulding structure | |
| CN219618392U (en) | Motorcycle center cover injection mold with slide block core pulling mechanism | |
| CN219634405U (en) | Injection mold structure for forming part below forming plate | |
| CN212684600U (en) | Automobile lampshade forming injection mold | |
| CN219838141U (en) | Automatic demoulding structure of injection molding special-shaped pipe fitting mould | |
| CN210851113U (en) | Novel mould that moulds of single mode many benevolences | |
| CN109774074B (en) | Teacup cover injection mold with taper pin side core-pulling mechanism | |
| CN215434894U (en) | Take injection mold of secondary slide structure | |
| CN211807615U (en) | Injection mold for control panel of drum washing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |