CN215703632U

CN215703632U - Fan base shell injection molding mold

Info

Publication number: CN215703632U
Application number: CN202121743346.2U
Authority: CN
Inventors: 肖晓方
Original assignee: Dongguan Shengrui Mold Technology Co ltd
Current assignee: Dongguan Shengrui Mold Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-02-01
Anticipated expiration: 2031-07-29

Abstract

The utility model provides an injection molding die for a fan base shell, which comprises a fixed die assembly and a movable die assembly connected by guide posts; the fixed die assembly comprises a fixed die base plate and a fixed die plate which are installed in sequence from left to right and a fixed mold core embedded in the fixed template; the movable mold assembly includes a movable mold base plate, an ejector pin assembly and a movable template installed in sequence from right to left, and a movable mold core embedded in the movable template; the movable mold An oil cylinder core-pulling mechanism is arranged on the lower side between the kernel and the fixed mold kernel; the oil-cylinder core-pulling mechanism includes an oil-cylinder driving device, a fixing seat, a bead, a core-pulling slider, a shovel base, an oil-cylinder fixing seat and a core-pulling insert The lower right end of the fixed plate is provided with a slot hole that can accommodate the core pulling slider; the fixed mold core is provided with a first through hole; the fixed plate is also provided with a first through hole for connecting with the first through hole Connected through holes; the core-pulling inserts are arranged in the through holes; the utility model is small in size, simple in structure, low in cost, and can produce products stably.

Description

Fan base 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 fan base shell.

Background

In the fan, the most important supporting part is a fan base, a common fan base shell is formed by injection molding, the existing fan base is characterized in that the fan base is special in shape and is provided with hole sites connected with supporting rods, a core pulling structure is generally arranged to laterally pull the fan base when an injection mold is manufactured, most of the existing injection molds in the market select a core pulling mechanism to be matched with an ejector pin assembly for demolding, the upper end of the fan base is cylindrical, the lower end of the fan base is disc-shaped, the hole sites are generally arranged at the upper end, the injection mold in the market generally is provided with an inclined guide pillar core pulling mechanism between a movable mold core and a fixed mold core, the inclined guide pillar core pulling mechanism is arranged on the fixed mold plate and provided with a sliding block, the arrangement of the inclined guide pillar core pulling mechanism and the sliding block on the movable mold plate increases the space inside the movable mold plate and the fixed mold plate, the structure of the whole mold is relatively complex, and the mold can be designed to be relatively large in order to adapt to large space, therefore, the manufacturing cost is high, and simultaneously, the problems of clamping or friction collision and the like can occur during the matching between the inclined guide post and the sliding block, so that the smooth demoulding is difficult to guarantee when the mould is demoulded, the stable production of a product is influenced, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection molding mold for a fan base shell to solve the problems in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme:

an injection molding die for a fan base 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 component comprises a movable mould bottom plate, a thimble component, a movable mould plate and a movable mould core embedded in the movable mould plate, wherein the movable mould bottom plate, the thimble component and the movable mould plate are sequentially arranged from right to left; an oil cylinder core pulling mechanism is arranged on the lower side between the movable mold core and the fixed mold core; the oil cylinder core-pulling mechanism comprises an oil cylinder driving device, a fixing block, a pressing strip, a core-pulling slide block, a shovel base, an oil cylinder fixing seat and a core-pulling insert; the fixed block is arranged on the lower side of the fixed template; the shovel base is arranged on the fixed block through the pressing strip; the core-pulling slide block is arranged on the fixed die plate through the pressing strip; the shovel base is connected with the core-pulling sliding block in a sliding mode; the core-pulling insert is arranged on the core-pulling slide block; the oil cylinder driving device is fixedly arranged on the right side of the fixed block through the oil cylinder fixed seat; the power output end of the oil cylinder driving device is connected with the shovel base; a slotted hole capable of accommodating the core-pulling sliding block is formed in the right lower end of the fixed die plate; the fixed die core is provided with a first through hole; the fixed die plate is also provided with a through hole which is communicated with the first through hole; the core-pulling insert is arranged in the through hole.

The utility model is further described, a plurality of first cooling water channels are arranged between the fixed die core and the fixed die plate; the fixed die plate is provided with a plurality of first cooling water ports which are used for being connected with the plurality of first cooling water channels; a plurality of second cooling water channels are arranged between 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 with the plurality of second cooling water channels.

For further description of the utility model, a travel switch assembly is arranged on the fixed block; the travel switch assembly comprises a travel switch and a travel switch collision block; the travel switches are arranged in two groups, and the two groups of travel switches are arranged on the fixed block left and right; the fixed block is provided with a second through hole; the travel switch collision block is arranged on the shovel base and penetrates through the second through hole.

For further description of the present invention, the thimble assembly includes a thimble, and a thimble base plate and a thimble panel sequentially installed from right to left; the thimble bottom plate is arranged on the movable template; the ejector pins are provided with a plurality of groups; the multiple groups of thimbles are arranged on the thimble base plate and penetrate through the thimble panel.

Further describing the utility model, a plurality of groups of inclined ejector components are arranged between the movable template and the ejector pin components; the multiple groups of the pitched roof components comprise pitched roofs, pitched roof fixing seats and pitched roof guide blocks; the inclined top fixing seat is installed on the thimble base plate and penetrates through the thimble panel; the inclined top guide block is arranged on the movable template; the right end of the pitched roof is slidably arranged on the pitched roof fixing seat, and the left end of the pitched roof is obliquely penetrated through the pitched roof guide block and the movable die core.

Further describing the utility model, the fixed die plate is also provided with a glue injection port and a glue port insert; the glue injection port is connected with the first through hole through the glue port insert.

The utility model has the beneficial effects that:

according to the utility model, the slotted hole and the through hole are formed in the fixed die plate, so that the core-pulling insert in the oil cylinder core-pulling mechanism is arranged in the through hole, the space between the whole fixed die plate and the movable die plate is reduced, the whole die is small in size and simple in structure, the manufacturing cost of the die is reduced, and meanwhile, the oil cylinder core-pulling mechanism is adopted, so that the core pulling is more stable, and the die can stably produce products.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a schematic diagram of a stationary platen and a movable mold core according to the present invention;

FIG. 3 is a block diagram of the glue injection ports and the glue port inserts in the fixed die plate of the present invention;

FIG. 4 is a block diagram of the moving platen and cooling water passages of the present invention;

FIG. 5 is a block diagram of the ejector pin assembly and the lifter assembly of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 in accordance with the present invention;

fig. 7 is a structural view of a cylinder core-pulling mechanism 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; 1211. a first through hole; 122. a slot; 123. a through hole; 124. a glue injection port; 125. a rubber mouth insert block; 14. a first cooling water flow passage; 141. a first cooling water interface; 2. a movable die assembly; 21. a movable mold base plate; 22. a thimble assembly; 221. a thimble; 222. a thimble panel; 223. a thimble base plate; 23. moving the template; 231. a movable mould core; 24. a cylinder core-pulling mechanism; 241. a cylinder driving device; 242. a fixed block; 2421. a second through hole; 243. layering; 244. A core-pulling slide block; 245. a shovel base; 246. an oil cylinder fixing seat; 247. a core-pulling insert; 248. a travel switch assembly; 2481. a travel switch; 2482. a travel switch collision block; 25. a second cooling water flow passage; 251. a second cooling water interface; 26. a lifter assembly; 261. obliquely ejecting; 262. a slanted ejecting fixing seat; 263. and (4) obliquely ejecting a guide block.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1-7, an injection molding mold for a fan base shell comprises a fixed mold component 1 and a movable mold component 2 which are connected through 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, an ejector pin component 22 and a movable mould plate 23 which are sequentially arranged from right to left, and a movable mould core 231 embedded in the movable mould plate 23; a plurality of first cooling water channels 14 are arranged between the inside of the fixed die core 121 and the fixed die plate 12; the fixed die plate 12 is provided with a plurality of first cooling water ports 141 which are used for being connected with a plurality of first cooling water channels 14; a plurality of second cooling water channels 25 are arranged between the inside of the movable die core 231 and the movable die plate 23; the movable template 23 is provided with a plurality of second cooling water ports 251 which are used for being connected with a plurality of second cooling water channels 25; the arrangement of a plurality of cooling water channels can ensure that the die cavity is cooled uniformly, thereby ensuring that the molding cooling speed of the product is basically consistent and the product can be molded stably; an oil cylinder core pulling mechanism 24 is arranged at the lower side between the movable mould core 231 and the fixed mould core 121; the arrangement of the oil cylinder core-pulling mechanism 24 greatly reduces the space of the fixed template 12, so that the fixed template 12 is not designed into the fixed template 12 with a larger size because the core-pulling mechanism needs to be arranged, the size of the whole mould is large, and the arrangement of the core-pulling mechanism also ensures that the whole structure of the mould is simple in distribution; the oil cylinder core-pulling mechanism 24 comprises an oil cylinder driving device 241, a fixed block 242, a pressing strip 243, a core-pulling slide block 244, a shovel base 245, an oil cylinder fixed seat 246 and a core-pulling insert 247; the fixed block 242 is installed at the lower side of the fixed template 12; the shovel base 245 is installed on the fixing block 242 through a pressing strip 243; the core-pulling slide block 244 is installed on the fixed die plate 12 through a batten 243; the shovel base 245 is connected with the core-pulling slide block 244 in a sliding manner; the core-pulling insert 247 is arranged on the core-pulling slide block 244; the oil cylinder driving device 241 is fixedly arranged at the right side of the fixed block 242 through an oil cylinder fixed seat 246; the power output end of the oil cylinder driving device 241 is connected with the shovel base 245, and after the die is closed, the oil cylinder core-pulling mechanism 24 is used, the oil cylinder driving device 241 drives the shovel base 245 to slide rightwards, so that the core-pulling slide block 244 is pushed to move upwards, and the upper end part of the core-pulling insert 247, the fixed die core 121 and the movable die core 231 jointly form a cavity matched with the product outline; after the product is injected, the oil cylinder driving device 241 drives the shovel base 245 to slide leftwards, so that the core-pulling slide block 244 is pushed to move downwards, the upper end part of the core-pulling insert 247 is separated from a formed product, then the mold is demoulded, the oil cylinder core-pulling mechanism 24 occupies less space relative to an inclined guide pillar core-pulling mechanism, and the oil cylinder is driven to more stably pull the core, so that the product can be stably produced; the fixed block 242 is provided with a travel switch assembly 248; the travel switch assembly 248 includes a travel switch 2481 and a travel switch striker 2482; the travel switches 2481 are arranged in two groups, and the two groups of travel switches 2481 are arranged on the fixing block 242 left and right; the fixing block 242 is provided with a second through hole 2421; the travel switch striking block 2482 is arranged on the shovel base 245 and penetrates through the second through hole 2421; after the die is closed or when the die is ready to be demoulded, the oil cylinder driving device 241 drives the shovel base 245 to move, and the stroke switch collision block 2482 on the shovel base 245 is driven to move, so that the stroke switch collision block 2482 touches the stroke switch 2481, the moving distance of the core pulling mechanism is effectively controlled, and the die closing and demoulding are more stable; a slot 122 capable of accommodating the core-pulling slider 244 is arranged at the right lower end of the fixed die plate 12; the core insert 121 has a first through hole 1211; the fixed die plate 12 is further provided with a through hole 123 for communicating with the first through hole 1211; the core-pulling insert 247 is disposed in the through-hole 123; the fixed die plate 12 is also provided with a glue injection port 124 and a glue injection port insert 125; the glue injection port 124 is connected with the first through hole 1211 through the glue injection port insert 125, the first through hole 1211 on the fixed mold core 121 is used for forming a product outline molding fit together with the movable mold core 231, and the arrangement of the through hole 123 can reduce the space between the fixed mold plate 12 and the fixed mold core 121, so that the size of the mold is reduced, and the manufacturing cost is reduced.

The thimble assembly 22 comprises a thimble 221, a thimble base plate 223 and a thimble panel 222 which are sequentially arranged from right to left; the thimble base plate 223 is arranged on the movable mould plate 23; the thimble 221 is provided with a plurality of groups; a plurality of groups of thimbles 221 are mounted on the thimble base plate 223 and penetrate through the thimble panel 222; a plurality of groups of inclined ejector components 26 are also arranged between the movable template 23 and the ejector pin components; the multiple groups of inclined top components 26 comprise inclined tops 261, inclined top fixing seats 262 and inclined top guide blocks 263; the slanted ejecting fixing base 262 is installed on the ejector pin base plate 223 and penetrates through the ejector pin panel 222; the pitched-roof guide block 263 is arranged on the movable die plate 23; the right end of the inclined top 261 is slidably arranged on the inclined top fixing seat 262, and the left end is obliquely penetrated through the inclined top guide block 263 and the movable die core 231; when the mold is arranged on an injection molding device to work, molten rubber enters a mold cavity through the rubber mouth insert 125, and the mold cavity is a product contour cavity formed by the fixed mold core 121 plate and the movable mold core 231 together; under the action of the cooling water channels near the fixed mold core 121 and the movable mold core 231, the mold cavity is filled with the rubber material to obtain a molded product, and at the moment, the core-pulling insert 247 arranged on the fixed mold plate 12 is driven by the oil cylinder driving device 241 to drive the shovel base 245 to move so as to drive the core-pulling insert 247 arranged on the core-pulling slide block 244 to move, so that the core-pulling insert 247 exits from the back-off of the product; after the product is not affected by back-off, demolding is carried out on the fixed mold movable mold, the product is separated from the fixed mold and is stained on the movable mold, the ejector pin panel 222 and the ejector pin base plate 223 which are fixed together are driven by the thrust applied by the ejector pin of the injection molding machine, meanwhile, the ejector pins 221 and the inclined ejection assemblies 26 which are fixed on the ejector pin panel 222 and the ejector pin base plate 223 are enabled to move, the product is ejected by the ejector pins 221, the inclined ejectors 261 in the inclined ejection assemblies 26 eject out of the back-off at the same time, the product is separated from the movable mold, and at the moment, a manipulator or a manual part is required to take out the product.

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

1. A fan base shell injection molding mold, comprising a fixed mold assembly and a movable mold assembly connected by a guide column; it is characterized in that: the fixed mold assembly includes a fixed mold base plate and a fixed mold base plate installed in sequence from left to right. A fixed template and a fixed mold core embedded in the fixed template; the movable mold assembly includes a movable mold base plate, an ejector pin assembly and a movable template installed in sequence from right to left, and a movable mold core embedded in the movable template; the The lower side between the movable die core and the fixed die core is provided with an oil cylinder core pulling mechanism; the oil cylinder core pulling mechanism includes an oil cylinder driving device, a fixing block, a bead, a core pulling slider, a shovel base, an oil cylinder fixing seat and a core pulling an insert; the fixing block is installed on the lower side of the fixed formwork; the shovel base is installed on the fixing block through the bead; the core-pulling slider is installed on the fixed formwork through the bead; The shovel base is slidably connected with the core-pulling slider; the core-pulling insert is arranged on the core-pulling slider; the oil cylinder driving device is fixedly installed on the right side of the fixing block through the oil cylinder fixing seat the power output end of the oil cylinder drive device is connected with the shovel base; the lower right end of the fixed die plate is provided with a slot hole that can accommodate the core pulling slider; the fixed die core is provided with a first through hole; The fixed plate is also provided with a through hole for communicating with the first through hole; the core-pulling insert is arranged in the through hole.

2. The fan base shell injection molding mold according to claim 1, characterized in that: a plurality of first cooling water channels are arranged in the fixed mold core and between the fixed template; Several first cooling water ports are connected with several first cooling water passages; several second cooling water passages are arranged in the movable mold core and between the moving platens; Several second cooling water ports are connected to the second cooling water channel.

3 . The injection molding mold for a fan base shell according to claim 1 , wherein: the fixed block is provided with a travel switch assembly; the travel switch assembly comprises a travel switch and a travel switch striker; the There are two sets of travel switches, and the two sets of travel switches are arranged on the fixed block left and right; the fixed block is provided with a second through hole; the travel switch collision block is arranged on the shovel base and passes through the the second through hole.

4 . The injection molding mold for a fan base shell according to claim 1 , wherein the ejector pin assembly comprises an ejector pin, an ejector pin bottom plate and an ejector pin panel installed in sequence from right to left; the ejector pin bottom plate is provided with a on the movable template; the thimbles are arranged in multiple groups; the multiple groups of the thimbles are mounted on the thimble bottom plate and pass through the thimble panel.

5. The fan base shell injection molding mold according to claim 4, characterized in that: a plurality of sets of lifter assemblies are further arranged between the movable template and the ejector pin assembly; multiple sets of the lifter assemblies It includes a lifter, a lifter fixing seat and a lifter guide block; the lifter fixing seat is mounted on the thimble bottom plate and penetrates the thimble panel; the lifter guide block is arranged on the movable template; The right end of the inclined top is slidably arranged on the inclined top fixing seat, and the left end is obliquely penetrated through the inclined top guide block and the movable mold core.

6 . The fan base shell injection molding mold according to claim 1 , wherein: the fixed template is further provided with a glue injection port and a glue port insert; the glue injection port passes through the glue port. 7 . The insert is connected with the first through hole.