CN212400203U

CN212400203U - Display and front shell mixing mold for injection molding

Info

Publication number: CN212400203U
Application number: CN202020488015.8U
Authority: CN
Inventors: 邵伟; 容国飞; 徐涛
Original assignee: Nanjing Suhong Electronic Technology Co ltd
Current assignee: Nanjing Suhong Electronic Technology Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-01-26
Anticipated expiration: 2030-04-07

Abstract

A display and front shell mixing mold for injection molding comprises a top cover, a first connecting plate, a flow distribution plate, an installation platform, a second connecting plate, a supporting platform, a base, a pouring nozzle, a split mold core and a main mold core; the pouring nozzle is arranged on the top cover; a splitter box communicated with the pouring nozzle is arranged on the splitter plate, and a first pouring gate penetrating through the splitter plate is arranged at the bottom of the splitter box; the mounting table is provided with a mounting groove; the main mold core is arranged in the mounting groove, a forming cavity with a downward opening is formed in the main mold core, and a second pouring channel for communicating the first pouring channel with the forming cavity is formed in the main mold core; the mold splitting core is located on the inner side of the molding cavity and is of a boss structure, a first mold cavity is formed between the upper portion of the mold splitting core and the molding cavity, a second mold cavity is formed between the lower portion of the mold splitting core and the molding cavity, and a third pouring gate for communicating the first mold cavity with the second mold cavity is arranged on the mold splitting core. The utility model discloses can make display and preceding shell in a set of mould, reduction in production cost improves production efficiency.

Description

Display and front shell mixing mold for injection molding

Technical Field

The utility model relates to an injection mold technical field especially relates to a mould plastics with display and preceding shell hybrid die.

Background

The display and the front shell are generally made of plastic materials and need to be molded by using a plastic mold. Injection molds are tools that are used in the plastic processing industry to complement plastic molding machines and to impart a complete configuration and precise dimensions to plastic articles.

In the prior art, two groups of injection molds are generally adopted to respectively manufacture the display and the front shell, so that the production cost is high and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a mould plastics with display and preceding shell mixing mold can make display and preceding shell in a set of mould, reduction in production cost improves production efficiency.

(II) technical scheme

The utility model provides a display and front shell mixing mold for injection molding, which comprises a top cover, a first connecting plate, a splitter plate, an installation platform, a second connecting plate, a supporting platform, a base, a pouring nozzle, a split mold core and a main mold core;

the top cover, the first connecting plate, the flow distribution plate, the mounting table, the second connecting plate, the supporting table and the base are sequentially connected from top to bottom; the pouring nozzle is arranged on the top cover; a splitter box communicated with the pouring nozzle is arranged on the splitter plate, and a first pouring gate penetrating through the splitter plate is arranged at the bottom of the splitter box; the mounting table is provided with a mounting groove; the main mold core is arranged in the mounting groove, a forming cavity with a downward opening is formed in the main mold core, and a second pouring channel for communicating the first pouring channel with the forming cavity is formed in the main mold core; the mold splitting core is located on the inner side of the molding cavity and is of a boss structure, a first mold cavity is formed between the upper portion of the mold splitting core and the molding cavity, a second mold cavity is formed between the lower portion of the mold splitting core and the molding cavity, and a third pouring gate for communicating the first mold cavity with the second mold cavity is arranged on the mold splitting core.

Preferably, a first chamfer is arranged at the top of the mounting table; the main mold core is provided with a second chamfer.

Preferably, the sub-mold core is provided with a first demolding surface and a second demolding surface; the first demolding surface is positioned in the first mold cavity, and the top end of the first demolding surface gradually inclines inwards; the second demolding surface is positioned in the second mold cavity, and the bottom end of the second demolding surface gradually inclines outwards.

Preferably, the first pouring gate, the second pouring gate and the third pouring gate are coaxially arranged from top to bottom in sequence, and the first pouring gate, the second pouring gate and the third pouring gate are all cylindrical channels.

Preferably, the first pouring channel is provided with a plurality of first pouring channels; the splitter box is X-shaped, and the splitter box communicates with a plurality of first runners.

Preferably, the base is provided with a discharging device, and the discharging device comprises an air cylinder, a moving plate and a material pushing column; the air cylinder is vertically arranged, and the output end of the air cylinder is connected with the moving plate; the pushing column is vertically arranged at the top of the moving plate and penetrates through the second connecting plate and is in sliding connection with the second connecting plate.

Preferably, the second connecting plate is connected with a connecting column; the connecting column is connected with a fixing plate which is horizontally arranged; the bottom of the movable plate is vertically provided with a guide post; the guide post penetrates through the fixed plate and is in sliding connection with the fixed plate.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

the utility model discloses can make display and preceding shell in a set of mould, reduction in production cost improves production efficiency. When the split type display molding die is used, a molten plastic raw material is poured through the pouring nozzle, the raw material flows to the split channel, enters the first die cavity through the first pouring gate and the second pouring gate, and continues to enter the second die cavity through the third pouring gate, the split die core plays a role in separation molding, and therefore the display and the front shell can be formed on two sides of the split die core respectively, the display is molded in the first die cavity, and the front shell is molded in the second die cavity.

Drawings

Fig. 1 is the utility model provides a structural schematic diagram of display and front shell hybrid mold for injection molding.

Fig. 2 is a structural cross-sectional view of the display and the front shell mixing mold for injection molding according to the present invention.

Fig. 3 is an enlarged view of a structure at a in fig. 2.

Fig. 4 is a partial structural cross-sectional view of a display and a front shell mixing mold for injection molding according to the present invention.

Fig. 5 is an enlarged view of the structure at B in fig. 4.

Reference numerals: 1. a top cover; 2. a first connecting plate; 3. a flow distribution plate; 301. a shunt slot; 302. a first runner; 4. an installation table; 401. mounting grooves; 5. a second connecting plate; 6. a support table; 7. a base; 8. a fixing plate; 9. a cylinder; 10. moving the plate; 11. pushing the material column; 12. a guide post; 13. connecting columns; 14. pouring a nozzle; 15. separating mold cores; 151. a third pouring channel; 152. a first mold cavity; 153. a second mold cavity; 154. a first release surface; 155. a second release surface; 16. a main mold core; 161. a second runner.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, the utility model provides a display and front shell hybrid mold for injection molding, which comprises a top cover 1, a first connecting plate 2, a splitter plate 3, a mounting table 4, a second connecting plate 5, a supporting table 6, a base 7, a pouring nozzle 14, a split mold core 15 and a main mold core 16;

the top cover 1, the first connecting plate 2, the flow distribution plate 3, the mounting table 4, the second connecting plate 5, the support table 6 and the base 7 are sequentially connected from top to bottom; the pouring nozzle 14 is arranged on the top cover 1; a diversion channel 301 communicated with the pouring nozzle 14 is arranged on the diversion plate 3, and a first pouring gate 302 penetrating through the diversion plate 3 is arranged at the bottom of the diversion channel 301; the mounting table 4 is provided with a mounting groove 401; the main mold core 16 is arranged in the mounting groove 401, a molding cavity with a downward opening is arranged on the main mold core 16, and a second pouring channel 161 for communicating the first pouring channel 302 with the molding cavity is arranged on the main mold core 16; the sub-mold core 15 is located inside the molding cavity, the sub-mold core 15 is of a boss structure, a first mold cavity 152 is formed between the upper portion of the sub-mold core 15 and the molding cavity, a second mold cavity 153 is formed between the lower portion of the sub-mold core 15 and the molding cavity, and a third pouring gate 151 used for communicating the first mold cavity 152 and the second mold cavity 153 is arranged on the sub-mold core 15.

The utility model discloses can make display and preceding shell in a set of mould, reduction in production cost improves production efficiency. In use, molten plastics material is poured through the nozzle 14, the material flows to the splitter box 301 and enters the first mould cavity 152 through the first runner 302 and the second runner 161 and continues to enter the second mould cavity 153 through the third runner 151, and the split mould core 15 acts as a separate moulding to enable a display and a front shell to be formed on either side of the split mould core 15, respectively, wherein the display is formed in the first mould cavity 152 and the front shell is formed in the second mould cavity 153.

In an alternative embodiment, the top of the mounting table 4 is provided with a first chamfer; the primary mould core 16 is provided with a second chamfer.

It should be noted that, by providing the chamfer, the main mold core 16 can be conveniently placed in the mounting groove 401.

In an alternative embodiment, the split core 15 is provided with a first mold release surface 154 and a second mold release surface 155; first mold releasing surface 154 is positioned in first cavity 152, and the tip of first mold releasing surface 154 is gradually inclined inward; the second release surface 155 is located in the second cavity 153, and the bottom end of the second release surface 155 is gradually inclined outward.

Note that, by providing the first mold releasing surface 154 and the second mold releasing surface 155 which are inclined, it is possible to facilitate the removal of the display and the front case from the first mold cavity 152 and the second mold cavity 153, respectively.

In an alternative embodiment, the first pouring channel 302, the second pouring channel 161 and the third pouring channel 151 are coaxially arranged from top to bottom, and the first pouring channel 302, the second pouring channel 161 and the third pouring channel 151 are all cylindrical channels.

It should be noted that the molten plastic material can flow more smoothly in the coaxially disposed cylindrical first runner 302, second runner 161, and third runner 151.

In an alternative embodiment, the first runner 302 is provided in plurality in common; the splitter 301 is X-shaped, and the splitter 301 communicates with a plurality of first runners 302.

The distribution channel 301 is communicated with the plurality of first runners 302, so that molten plastic raw materials can be uniformly conveyed into the first mold cavity 152 and the second mold cavity 153, and the molding quality of the display and the front shell is ensured.

In an optional embodiment, a discharging device is arranged on the base 7, and comprises an air cylinder 9, a moving plate 10 and a material pushing column 11; the cylinder 9 is vertically arranged, and the output end of the cylinder 9 is connected with the moving plate 10; the pushing column 11 is vertically arranged at the top of the moving plate 10, and the pushing column 11 penetrates through the second connecting plate 5 and is in sliding connection with the second connecting plate 5.

It should be noted that, when the molten plastic raw material is poured, the top end of the material pushing column 11 is flush with the bottom of the mounting groove 401, and the material pushing column 11 is hermetically connected with the mounting table 4, after the display and the front shell are molded, the output end of the air cylinder 9 drives the moving plate 10 to move upwards, the moving plate 10 drives the material pushing column 11 to move upwards, and the material pushing column 11 pushes out the split core 15, the main core 16, the display and the front shell upwards, so that a worker can take down the display and the front shell product conveniently.

In an alternative embodiment, the second connecting plate 5 is connected with a connecting column 13; the connecting column 13 is connected with a fixing plate 8 which is horizontally arranged; the bottom of the moving plate 10 is vertically provided with a guide post 12; the guide post 12 penetrates the fixing plate 8 and is connected with the fixing plate 8 in a sliding mode.

It should be noted that, by providing the guide column 12, the moving direction of the moving plate 10 can be guided, and the moving plate 10 can be supported, so that the moving direction of the moving plate 10 is more accurate, the moving process is more stable, and the pushing column 11 can move stably and perform pushing operation.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A display and front shell mixed mould for injection molding is characterized by comprising a top cover (1), a first connecting plate (2), a splitter plate (3), an installation platform (4), a second connecting plate (5), a support platform (6), a base (7), a pouring nozzle (14), a splitter core (15) and a main core (16);

the top cover (1), the first connecting plate (2), the flow distribution plate (3), the mounting table (4), the second connecting plate (5), the support table (6) and the base (7) are sequentially connected from top to bottom; the pouring nozzle (14) is arranged on the top cover (1); a diversion channel (301) communicated with the pouring nozzle (14) is arranged on the diversion plate (3), and a first pouring gate (302) penetrating through the diversion plate (3) is arranged at the bottom of the diversion channel (301); the mounting table (4) is provided with a mounting groove (401); the main mold core (16) is arranged in the mounting groove (401), a molding cavity with a downward opening is arranged on the main mold core (16), and a second pouring channel (161) for communicating the first pouring channel (302) with the molding cavity is arranged on the main mold core (16); the sub-mold core (15) is located on the inner side of the molding cavity, the sub-mold core (15) is of a boss structure, a first mold cavity (152) is formed between the upper portion of the sub-mold core (15) and the molding cavity, a second mold cavity (153) is formed between the lower portion of the sub-mold core (15) and the molding cavity, and a third pouring gate (151) used for communicating the first mold cavity (152) with the second mold cavity (153) is arranged on the sub-mold core (15).

2. A hybrid mould for injection moulding displays and front shells according to claim 1, characterised in that the top of the mounting table (4) is provided with a first chamfer; the main mould core (16) is provided with a second chamfer.

3. A hybrid mould for injection moulding of a display and a front shell according to claim 1, characterised in that the sub-mould core (15) is provided with a first mould release surface (154) and a second mould release surface (155); the first demoulding surface (154) is positioned in the first mould cavity (152), and the top end of the first demoulding surface (154) gradually inclines inwards; the second release surface (155) is positioned in the second cavity (153), and the bottom end of the second release surface (155) is gradually inclined outward.

4. A hybrid mold for injection molding of a display and a front housing according to claim 1, wherein the first runner (302), the second runner (161) and the third runner (151) are coaxially arranged from top to bottom, and the first runner (302), the second runner (161) and the third runner (151) are all cylindrical channels.

5. A hybrid mould for injection moulding of displays and front shells according to claim 1, characterised in that the first runner (302) is provided in plurality; the diversion channel (301) is X-shaped, and the diversion channel (301) is communicated with a plurality of first pouring channels (302).

6. A display and front shell mixing mould for injection moulding according to claim 1, characterized in that the base (7) is provided with a discharging device, the discharging device comprises a cylinder (9), a moving plate (10) and a pushing column (11); the air cylinder (9) is vertically arranged, and the output end of the air cylinder (9) is connected with the moving plate (10); the material pushing column (11) is vertically arranged at the top of the moving plate (10), and the material pushing column (11) penetrates through the second connecting plate (5) and is in sliding connection with the second connecting plate (5).

7. A hybrid mould for injection moulding displays and front shells according to claim 6, characterised in that the second connecting plate (5) is connected with a connecting post (13); the connecting column (13) is connected with a fixing plate (8) which is horizontally arranged; a guide column (12) is vertically arranged at the bottom of the moving plate (10); the guide post (12) penetrates through the fixed plate (8) and is connected with the fixed plate (8) in a sliding mode.