CN215703697U - Projector shell injection molding mold - Google Patents

Projector shell injection molding mold Download PDF

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Publication number
CN215703697U
CN215703697U CN202121742577.1U CN202121742577U CN215703697U CN 215703697 U CN215703697 U CN 215703697U CN 202121742577 U CN202121742577 U CN 202121742577U CN 215703697 U CN215703697 U CN 215703697U
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China
Prior art keywords
plate
core
hot runner
movable
fixed die
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Active
Application number
CN202121742577.1U
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Chinese (zh)
Inventor
肖晓方
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Dongguan Shengrui Mold Technology Co ltd
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Dongguan Shengrui Mold Technology Co ltd
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Priority to CN202121742577.1U priority Critical patent/CN215703697U/en
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Abstract

The utility model provides an injection molding die for a projector shell, which comprises a fixed die assembly and a movable die assembly which are connected through a guide pillar; the fixed die assembly comprises a fixed die bottom plate, a fixed die plate and a fixed die core embedded in the fixed die plate, wherein the fixed die bottom plate and the fixed die plate are sequentially arranged from left to right; the movable mould assembly comprises a movable mould bottom plate, a hot runner plate, a thimble assembly and a movable mould plate which are sequentially arranged from right to left, and a movable mould core embedded in the movable mould plate; the hot runner plate is provided with a hot runner device; the hot runner device comprises a hot nozzle of the hot runner and a flow distribution plate; the hot nozzle of the hot runner is arranged on the splitter plate and sequentially penetrates through the hot runner plate and the movable mould core; the ejector pin assembly comprises an ejector pin plate, an ejector pin piece and a driving device; the utility model can stably produce products and can protect the appearance of the products when demoulding.

Description

Projector shell injection molding mold
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection molding mold for a projector shell.
Background
The projector industry in China is in a good development situation at present, and the market demand of the projector in China is on a trend of rising year by year in recent years. With the continuous expansion and growth of the operation demand market of the projector industry in China, the operation of the projector industry in China will meet a new development opportunity.
In the projector, the production of the shell is particularly important, stable sol production can be ensured in the production process, and the appearance of the shell can be effectively protected when the shell is demoulded after the production is finished; on the market at present, in most projecting apparatus shell injection mould, the use is all that conventional sprue cooperates to water to carry out the mode that fused sizing material was moulded plastics and is filled the shaping, this kind of mode can not stably guarantee filling effect not receive the influence when injection moulding at every turn, thereby make the production product make can not guarantee stable production, advance the jiao kou and set up at the casing outward appearance, thereby influence the casing outward appearance, when the product drawing of patterns simultaneously, the outward appearance that the thrust that uses the top rod to apply also is difficult to guarantee the product does not receive the influence, consequently still need to improve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an injection molding mold for a projector shell to solve the problems in the background art.
In order to achieve the above purpose, the utility model provides the following technical scheme:
an injection molding die for a projector shell comprises a fixed die assembly and a movable die assembly which are connected through a guide pillar; the fixed die assembly comprises a fixed die bottom plate, a fixed die plate and a fixed die core embedded in the fixed die plate, wherein the fixed die bottom plate and the fixed die plate are sequentially arranged from left to right; the movable mould assembly comprises a movable mould bottom plate, a hot runner plate, a thimble assembly and a movable mould plate which are sequentially arranged from right to left, and a movable mould core embedded in the movable mould plate; the hot runner plate is provided with a hot runner device; the hot runner device comprises a hot nozzle of the hot runner and a flow distribution plate; the hot nozzle of the hot runner is arranged on the splitter plate and sequentially penetrates through the hot runner plate and the movable mould core; the ejector pin assembly comprises an ejector pin plate, an ejector pin piece and a driving device; the ejector pin plate is arranged between the hot runner plate and the movable template; one end of the ejector pin piece is arranged on the ejector plate, and the other end of the ejector pin piece sequentially penetrates through the movable template and the movable mold core; the driving device is arranged on the ejector plate, and the power output end of the driving device is connected with the hot runner plate; an inclined guide post core-pulling mechanism is further arranged between the movable template and the fixed template, and comprises a core-pulling insert, a shovel base, a core-pulling slide block and an inclined guide post device; the core-pulling sliding block is slidably arranged on the movable mould plate; the inclined guide post device and the shovel base are arranged on the fixed die plate; the core-pulling sliding block is connected with the shovel base in a sliding mode; the core-pulling insert is arranged on the core-pulling slide block; an inclined ejection core-pulling mechanism is further arranged between the movable template and the ejector pin assembly; the inclined top core pulling mechanism comprises an inclined top, an inclined top seat and an inclined top guide block; the inclined top guide block is arranged on the movable template; one end of the inclined top is slidably arranged on the ejector plate through the inclined top seat, and the other end of the inclined top is obliquely penetrated through the inclined top guide block and the movable die core.
For further description of the utility model, three hot nozzles are arranged on the hot runner; the three hot nozzles of the hot runner are arranged on the flow distribution plate in a triangular distribution manner.
For further description of the utility model, the inclined guide post core-pulling mechanism is provided with four groups; the four groups of inclined guide post core-pulling mechanisms are respectively arranged on the periphery between the fixed die core and the movable die core.
The utility model is further described, a plurality of first cooling water channels are also arranged between the fixed die plate and the fixed die core; the fixed die plate is provided with a plurality of first cooling water ports which are used for being connected and matched with the first cooling water channels; a plurality of second cooling water flow channels are arranged between the inside of the movable mold core and the movable mold plate; and the movable template is provided with a plurality of second cooling water ports which are used for being connected and matched with the plurality of second cooling water channels.
For further description of the utility model, the inclined guide pillar core pulling mechanism further comprises a core pulling seat; the driving device adopts an oil cylinder driving device.
The utility model is further described, four heat insulation plates are distributed on the periphery of the moving die bottom plate.
The utility model is further described, a glue injection port is arranged on the movable mold bottom plate; the glue injection port is connected with the hot runner.
The utility model is further described, and the hot nozzle of the hot runner is provided with a hot nozzle sleeve.
The utility model has the beneficial effects that:
the hot runner device is arranged, and the prior sprue channel is replaced by the hot runner, so that the problem that the prior glue inlet is arranged on the appearance surface is solved, and the product can be ensured not to generate lines during injection molding, so that the product can keep a good appearance surface; meanwhile, due to the addition of the hot runner, when the rubber material enters the die cavity, the good melting state of the rubber material is ensured, the filling effect is not affected, and the stable production of the product is ensured; the ejector pin assembly is arranged between the movable mould plate and the hot runner plate and drives the ejector pin assembly to eject and demould from the back of the product through the driving device when the product is demoulded, so that the outer surface of the runner shell cannot be influenced, and meanwhile, the demoulding can be stabilized.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a view showing the structure of the cavity block, the cooling water flow passage and the cavity block according to the present invention;
FIG. 3 is a structural diagram of the inclined guide post core pulling mechanism and the ejector pin assembly of the utility model
FIG. 4 is an enlarged view of a portion of FIG. 3 according to the present invention;
FIG. 5 is a view showing the structure of the heat-insulating plate and the glue injection port;
fig. 6 is a structural view of the hot runner apparatus of the present invention.
Description of the drawings:
1. a stationary die assembly; 11. a fixed die bottom plate; 12. fixing a template; 121. fixing a mold core; 14. a first cooling water flow passage; 141. a first cooling water port; 2. a movable die assembly; 21. a movable mold base plate; 211. a heat insulation plate; 22. a hot runner plate; 221. a hot runner device; 2211. a hot runner hot nozzle; 22111. a hot nozzle sleeve; 2212. a flow distribution plate; 23. A thimble plate assembly; 231. an ejector plate; 232. ejecting the thimble member; 233. a drive device; 24. moving the template; 241. a movable mould core; 25. an inclined guide post core-pulling mechanism; 251. a core-pulling insert; 252. a shovel base; 253. a core-pulling slide block; 254. an inclined guide post device; 26. a pitched roof core pulling mechanism; 261. obliquely ejecting; 262. a slanted ejecting seat; 263. A pitched roof guide block; 27. a second cooling water flow passage; 271. a second cooling water port; 28. and (6) a glue injection port.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 6, an injection molding mold for a projector housing comprises a fixed mold component 1 and a movable mold component 2 which are connected by a guide pillar; the fixed die assembly 1 comprises a fixed die bottom plate 11, a fixed die plate 12 and a fixed die core 121 embedded in the fixed die plate 12, wherein the fixed die bottom plate and the fixed die plate 12 are sequentially arranged from left to right; the movable mould component 2 comprises a movable mould bottom plate 21, a hot runner plate 22, an ejector pin component and a movable mould plate 24 which are sequentially arranged from right to left, and a movable mould core 241 embedded in the movable mould plate 24; a plurality of first cooling water channels 14 are also arranged between the fixed die plate 12 and the fixed die core 121; the fixed die plate 12 is provided with a plurality of first cooling water ports 141 which are used for connecting and matching with a plurality of first cooling water channels 14; a plurality of second cooling water flow channels 27 are arranged between the inside of the movable mould core 241 and the movable mould plate 24; the movable mould plate 24 is provided with a plurality of second cooling water ports 271 which are used for connecting and matching with a plurality of second cooling water channels 27; four heat insulation plates 211 are distributed on the periphery of the movable mold bottom plate 21; a glue injection port 28 is formed in the movable mold bottom plate 21; the glue injection port 28 is connected with the hot runner device 211; the hot runner plate 22 is provided with the hot runner device 221, and the arrangement of the device 221 can ensure that the melting state of the rubber material is good and the filling effect is not affected when the rubber material enters the die cavity, so that the product can be stably produced; the hot runner apparatus 221 includes a hot runner nozzle 2211 and a manifold 2212; the hot runner hot nozzle 2211 is arranged on the flow distribution plate 2212 and sequentially penetrates through the hot runner plate 22 and the movable die core 241; three hot nozzles 2211 are arranged; the three hot runner hot nozzles 2211 are arranged on the flow distribution plate 2212 in a triangular distribution manner; the hot nozzle sleeve 22111 is arranged on the hot nozzle 2211 of the hot runner, and due to the fact that the temperature near the hot nozzle 2211 of the hot runner is not consistent with that of the movable mold core 241, the hot nozzle sleeve 22111 has an independent cooling effect and can generate a good cooling effect with the second cooling water flow passage 27 on the movable mold core 241; the ejector pin assembly 23 comprises an ejector pin plate 231, an ejector pin member 232 and a driving device 233; the ejector plate 231 is disposed between the hot runner plate 22 and the moving die plate 24; one end of the ejector pin 232 is arranged on the ejector plate 231, and the other end of the ejector pin passes through the movable die plate 24 and the movable die core 241 in sequence; the driving device 233 is installed on the ejector plate 231 and the power output end is connected with the hot runner plate 22; because the hot runner device 211 is arranged on the movable mould, the movable mould bottom plate 21 can drive the ejector plate 231 which is fixed together by pushing the ejector rod which cannot be used by the injection moulding machine, and the driving device 233 is arranged to push the ejector plate 231; the driving device 233 adopts an oil cylinder driving device, so that the movable die plate 24 and the ejector plate 231 can be more stably pushed, and stable demoulding is achieved; an inclined guide post core-pulling mechanism 25 is also arranged between the movable mould plate 24 and the fixed mould plate 12; four groups of inclined guide post core-pulling mechanisms 25 are arranged; the four groups of inclined guide post core-pulling mechanisms 25 are respectively arranged on the periphery between the fixed die core 121 and the movable die core 241; the inclined guide post core-pulling mechanism 25 comprises a core-pulling insert 251, a shovel base 252, a core-pulling slide block 253 and an inclined guide post device 254; the core-pulling slide 253 is slidably arranged on the movable die plate 24; the core-pulling sliding block 253 is provided with an inclined through hole; one end of the inclined guide post device 254 is arranged on the fixed template 12, and the other end thereof is arranged on the inclined through hole in a penetrating way; the core-pulling slide block 253 is connected with the shovel base 252 in a sliding way; the shovel base 252 is arranged on the fixed die plate 12; the core-pulling insert 251 is arranged between the movable mould plate 24 and the ejector pin assembly on the core-pulling slide block 253, and an inclined ejection core-pulling mechanism 26 is also arranged; the inclined top core-pulling mechanism 23 comprises an inclined top 261, an inclined top seat 262 and an inclined top guide block 263; the inclined top guide block 263 is arranged on the movable die plate 24; one end of the inclined top 261 is slidably disposed on the ejector plate 231 through the inclined top seat 262, and the other end is obliquely inserted into the inclined top guide block 263 and the movable die core 241; the mold is arranged on an injection molding machine, when the mold works, plastic materials are added into a charging barrel on the injection molding machine, the plastic materials are heated and melted by the injection molding machine and injected into a glue injection port 28 of the device, the temperature of the plastic materials is adjusted by a hot runner device 211, and then the melted plastic materials are injected into the mold cores of the movable mold assembly 2 and the fixed mold assembly 1, and the molten plastic materials are cooled and formed in the second cooling water flow passage 27 of the movable mold core 241, the first cooling water flow passage 14 of the fixed mold core 121 and the hot nozzle sleeve 22111; at the moment, the movable mold component 2 and the fixed mold component 1 are opened, the four inclined guide post core-pulling mechanisms 25 embedded around the movable mold core 241 and the fixed mold core 121 retreat, and the product is withdrawn from the upside-down buckle; then the ejector plate 231 is driven by the cylinder driving device 233 to move, and simultaneously drives the ejector pin 232 fixed on the ejector plate 231 and the inclined ejection core-pulling mechanism 26, the ejector pin 232 ejects the product, and the inclined ejection core-pulling mechanism 26 ejects the product while ejecting and withdraws the product from the reverse buckle; and (4) separating the product from the rear mold, and taking out the product by a mechanical arm or a manual workpiece.
The above description is not intended to limit the technical scope of the present invention, and any modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims (8)

1. An injection molding die for a projector shell comprises a fixed die assembly and a movable die assembly which are connected through a guide pillar; the method is characterized in that: the fixed die assembly comprises a fixed die bottom plate, a fixed die plate and a fixed die core embedded in the fixed die plate, wherein the fixed die bottom plate and the fixed die plate are sequentially arranged from left to right; the movable mould assembly comprises a movable mould bottom plate, a hot runner plate, a thimble assembly and a movable mould plate which are sequentially arranged from right to left, and a movable mould core embedded in the movable mould plate; the hot runner plate is provided with a hot runner device; the hot runner device comprises a hot nozzle of the hot runner and a flow distribution plate; the hot nozzle of the hot runner is arranged on the splitter plate and sequentially penetrates through the hot runner plate and the movable mould core; the ejector pin assembly comprises an ejector pin plate, an ejector pin piece and a driving device; the ejector pin plate is arranged between the hot runner plate and the movable template; one end of the ejector pin piece is arranged on the ejector plate, and the other end of the ejector pin piece sequentially penetrates through the movable template and the movable mold core; the driving device is arranged on the ejector plate, and the power output end of the driving device is connected with the hot runner plate; an inclined guide post core-pulling mechanism is further arranged between the movable template and the fixed template, and comprises a core-pulling insert, a shovel base, a core-pulling slide block and an inclined guide post device; the core-pulling sliding block is slidably arranged on the movable mould plate; the inclined guide post device and the shovel base are arranged on the fixed die plate; the core-pulling sliding block is connected with the shovel base in a sliding mode; the core-pulling insert is arranged on the core-pulling slide block; an inclined ejection core-pulling mechanism is further arranged between the movable template and the ejector pin assembly; the inclined top core pulling mechanism comprises an inclined top, an inclined top seat and an inclined top guide block; the inclined top guide block is arranged on the movable template; one end of the inclined top is slidably arranged on the ejector plate through the inclined top seat, and the other end of the inclined top is obliquely penetrated through the inclined top guide block and the movable die core.
2. The injection molding die for the projector housing as claimed in claim 1, wherein: three hot nozzles of the hot runner are arranged; the three hot nozzles of the hot runner are arranged on the flow distribution plate in a triangular distribution manner.
3. The injection molding die for the projector housing as claimed in claim 1, wherein: the inclined guide post core pulling mechanisms are arranged in four groups; the four groups of inclined guide post core-pulling mechanisms are respectively arranged on the periphery between the fixed die core and the movable die core.
4. The injection molding die for the projector housing as claimed in claim 1, wherein: a plurality of first cooling water channels are also arranged between the fixed die plate and the fixed die core; the fixed die plate is provided with a plurality of first cooling water ports which are used for being connected and matched with the first cooling water channels; a plurality of second cooling water flow channels are arranged between the inside of the movable mold core and the movable mold plate; and the movable template is provided with a plurality of second cooling water ports which are used for being connected and matched with the plurality of second cooling water channels.
5. The injection molding die for the projector housing as claimed in claim 1, wherein: the driving device adopts an oil cylinder driving device.
6. The injection molding die for the projector housing as claimed in claim 1, wherein: four heat insulation plates are distributed on the periphery of the moving die bottom plate.
7. The injection molding die for the projector housing as claimed in claim 1, wherein: a glue injection port is formed in the movable mold bottom plate; the glue injection port is connected with the hot runner.
8. The injection molding die for the projector housing as claimed in claim 1, wherein: and a hot nozzle sleeve is arranged on the hot nozzle of the hot runner.
CN202121742577.1U 2021-12-08 2021-12-08 Projector shell injection molding mold Active CN215703697U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121742577.1U CN215703697U (en) 2021-12-08 2021-12-08 Projector shell injection molding mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121742577.1U CN215703697U (en) 2021-12-08 2021-12-08 Projector shell injection molding mold

Publications (1)

Publication Number Publication Date
CN215703697U true CN215703697U (en) 2022-02-01

Family

ID=79990518

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121742577.1U Active CN215703697U (en) 2021-12-08 2021-12-08 Projector shell injection molding mold

Country Status (1)

Country Link
CN (1) CN215703697U (en)

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