CN217021315U

CN217021315U - Injection mold core for water pipe connection valve body

Info

Publication number: CN217021315U
Application number: CN202123304159.7U
Authority: CN
Inventors: 管云
Original assignee: Kunshan Xinbaishun Precision Mould Co ltd
Current assignee: Kunshan Xinbaishun Precision Mould Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-22
Anticipated expiration: 2031-12-24

Abstract

The utility model provides a water pipe connection valve body injection molding die core, which comprises a male die core and a female die core matched with the male die core, wherein a feeding through hole is arranged on the male die core, a first male die core shunting groove is arranged at one side of the feeding through hole close to a male die core cavity, a second male die core shunting groove is arranged below the feeding through hole, a third male die core shunting groove leading to the male die core cavity is arranged at the inner side of the lower part of the second male die core shunting groove, a first female die core shunting groove, a second female die core shunting groove and a third female die core shunting groove which are respectively matched with the first male die core shunting groove, the second male die core shunting groove and the third male die core shunting groove are arranged at the corresponding position of the female die core, the outlet of the first female die core shunting groove is communicated with the middle part of the male die core molding cavity, and the outlet of the third male die core shunting groove is communicated with the lower end of the male die core molding cavity. The valve body injection molding die core is simple in structure, can ensure that no bubbles exist in the valve body part, and is easy to demould.

Description

Injection mold core for water pipe connection valve body

Technical Field

The utility model relates to the field of injection molds, in particular to an injection mold core of a water pipe connection valve body.

Background

The die-casting die is important process equipment for producing various industrial products, and with the rapid development of the design industry of the die-casting die and the popularization and application of precision parts in aviation, space, electronics, machinery, ships, automobiles and other industrial departments, the requirements of products on the die are higher and higher, and the traditional die-casting die design method cannot meet the requirements of product updating and quality improvement.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems, the utility model provides the injection mold core for the water pipe connection valve body, which has the advantages of simple structure, easy demolding and removal of redundant glue in a glue flow channel, thorough discharging and high qualification rate of injection molding products.

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

a water pipe connecting valve body injection mould core comprises a male mould core and a female mould core matched with the male mould core, wherein a cavity for accommodating at least one valve body is formed after the male mould core and the female mould core are buckled, the structure of the cavity is the same as that of the valve body, a glue inlet through hole is arranged on the female mould core, a first female mould core sub-runner is arranged on one side of the glue inlet through hole close to the female mould core cavity, a second female mould core sub-runner is arranged below the glue inlet through hole, a third female mould core sub-runner leading to the female mould core cavity is arranged on the inner side of the lower part of the second female mould core sub-runner, a first male mould core sub-runner, a second male mould core sub-runner and a third male mould core sub-runner which are matched with the first female mould core sub-runner, the second female mould core sub-runner and the third female mould core sub-runner are arranged at corresponding positions on the male mould core, the outlet of the first male mould core sub-runner is communicated with the middle part of a male mould core forming cavity, the outlet of the third core split-flow groove is communicated with the lower end of the core molding cavity; a first glue thimble hole is arranged at the position corresponding to the glue inlet through holes on the male die core and the female die core, a second glue thimble hole is arranged at the position of the first male die core subchannel close to the injection molding cavity end of the male die core, and a third glue thimble hole is arranged at the position of the third male die core subchannel close to the injection molding cavity end of the male die core; and a plurality of discharging thimble holes are formed in the injection molding cavity of the male mold core.

Furthermore, the first cavity insert sub-runner is obliquely arranged above the cavity insert, and the third cavity insert sub-runner is perpendicular to the second cavity insert sub-runner.

Furthermore, the number of the discharging thimble holes is set to be 5, one of the discharging thimble holes is positioned under the upper end of the male die core forming cavity, and every two of the rest four discharging thimble holes are a group of discharging thimble holes which are respectively under the middle part and the lower end of the male die core forming cavity.

Furthermore, the diameter of the discharging thimble hole positioned right below the upper end of the male die core forming cavity is 4mm, and the diameter of the discharging thimble hole positioned right below the middle part and the lower end of the male die core forming cavity is 5 mm.

Furthermore, an unsealed square cooling water channel is arranged in each of the male mold core and the female mold core, the cooling water channel surrounds the periphery of the lower sides of the injection molding cavities of the male mold core and the female mold core, a water inlet and a water outlet of the cooling water channel of the female mold core are located on the non-injection molding cavity surface of the female mold core, and a water inlet and a water outlet of cooling water of the male mold core are located on the non-injection molding cavity surface of the male mold core.

Furthermore, three threaded mounting holes are formed in the non-injection molding cavity surfaces of the female mold core and the male mold core, two of the three threaded mounting holes and the water inlet and the water outlet of the cooling water channel are located on the same side of the injection molding cavity, and the other threaded mounting hole is located on the opposite side of the two threaded mounting holes.

Furthermore, two threaded mounting holes are formed in the injection molding cavity surfaces of the female mold core and the male mold core, and the two threaded mounting holes in the female mold core and the male mold core are respectively located on two sides of the female mold core injection molding cavity and the male mold core injection molding cavity and are obliquely arranged.

According to the valve body injection molding die core provided by the utility model, the feeding splitter box is respectively communicated with the middle part and the lower end of the core molding cavity, so that the injection molding efficiency is improved, the plurality of discharging thimble holes are arranged in the core molding cavity, the die is easy to demould, the plurality of discharging thimble holes are arranged in the sizing material flow passage, the waste glue is ejected out together, the discharging is thorough, and the injection molding product yield is high.

Drawings

FIG. 1 is a schematic perspective view of a cavity insert according to an embodiment of the present invention;

FIG. 2 is a top view of a cavity insert according to an embodiment of the present invention;

FIG. 3 is a left side view of a cavity insert according to an embodiment of the present invention;

FIG. 4 is a schematic perspective view of a core insert according to an embodiment of the present invention;

FIG. 5 is a perspective view of a core insert according to an embodiment of the present invention;

fig. 6 is a left side view of the core insert according to the embodiment of the present invention.

Wherein, 1-a male mold core, 2-a female mold core, 3-a glue inlet through hole, 4-a first glue thimble hole, 5-a second glue thimble hole, 6-a third glue thimble hole, 7-a material discharging thimble hole, 8-a cooling water channel, 9-a first threaded mounting hole, 10-a second threaded mounting hole, 11-a female mold core material discharging thimble hole, 101-a male mold core cavity, 102-a first male mold core runner, 103-a second male mold core runner, 104-a third male mold core runner, 201-a male mold core cavity, 202-a first female mold core runner, 203-a second female mold core runner, 204-a third female mold core runner, 801-a water inlet, 802-a water outlet.

Detailed Description

The utility model is further described with reference to the following figures and specific embodiments.

As shown in fig. 1-4, a water pipe connected valve body injection mold insert comprises a core insert 1 and a cavity insert 2 matched with the core insert 1, wherein a cavity for accommodating at least one valve body is formed after the core insert 1 and the cavity insert 2 are fastened, the structure of the cavity is the same as that of the valve body, a glue inlet through hole 3 is arranged on the cavity insert 2, a first cavity insert runner 202 is arranged on one side of the glue inlet through hole 3 close to the cavity insert 201, a second cavity insert runner 203 is arranged below the glue inlet through hole 201, a third cavity insert runner 204 leading to the cavity insert 201 is arranged on the inner side of the lower part of the second cavity insert runner 203, the first cavity insert runner 202 is obliquely arranged above the cavity insert 2, and the third cavity insert runner 204 is perpendicular to the second cavity insert runner 203; a first core runner 102, a second core runner 103 and a third core runner 104 which are matched with the first cavity runner 202, the second cavity runner 203 and the third cavity runner 204 are arranged at corresponding positions on the core 1, the outlet of the first core runner 102 is communicated with the middle part of the core molding cavity, and the outlet of the third core runner 104 is communicated with the lower end of the core molding cavity; a first glue thimble hole 4 is arranged at the position, corresponding to the glue inlet through hole 3, of the male die core 1 and the female die core 2, a second glue thimble hole 5 is arranged at the end, close to the male die core injection molding cavity 101, of the first male die core subchannel 102, and a third glue thimble hole 6 is arranged at the end, close to the male die core injection molding cavity 101, of the third male die core subchannel 104; the core insert injection molding method comprises the following steps that 5 discharging thimble holes 7 are arranged in the core insert injection molding cavity 101, one discharging thimble hole 7 is located under the upper end of the core insert molding cavity, the rest four discharging thimble holes 7 are grouped in pairs and are respectively located under the middle part and the lower end of the core insert molding cavity, the discharging thimble holes 7 located under the upper end of the core insert molding cavity are 4mm in diameter, and the discharging thimble holes located under the middle part and the lower end of the core insert molding cavity are 5mm in diameter; an unsealed square-shaped cooling water channel 8 is arranged in each of the male die core 1 and the female die core 2, the cooling water channel 8 surrounds the periphery of the lower parts of the male die core injection molding cavity 101 and the female die core injection molding cavity 201, a water inlet 801 and a water outlet 802 of the cooling water channel 8 of the female die core 2 are positioned on the non-injection molding cavity surface of the female die core 2, and a water inlet 801 and a water outlet 802 of the cooling water channel 8 of the male die core 1 are positioned on the non-injection molding cavity surface of the male die core 1; three first threaded mounting holes 9 are formed in the non-injection molding cavity surfaces of the female mold core 2 and the male mold core 1, two of the three first threaded mounting holes 9 and the water inlet 801 and the water outlet 802 of the cooling water channel 8 are located on the same side of the injection molding cavity, and the other threaded mounting hole 9 is located on the opposite side of the two first threaded mounting holes 9; the injection molding cavity surfaces of the cavity insert 2 and the core insert 1 are respectively provided with two second threaded mounting holes 10, and the two second threaded mounting holes 10 on the cavity insert 2 and the core insert 1 are respectively positioned at two sides of the cavity insert injection molding cavity 201 and the core insert injection molding cavity 101 and are obliquely arranged.

The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention should be regarded as the scope of the present invention to those skilled in the art.

Claims

1. A water pipe connected valve body injection mould core is characterized by comprising a male mould core and a female mould core matched with the male mould core, wherein a cavity for accommodating at least one valve body is formed after the male mould core and the female mould core are buckled, the structure of the cavity is the same as that of the valve body, a glue inlet through hole is arranged on the female mould core, a first female mould core sub-runner is arranged on one side of the glue inlet through hole close to the cavity of the female mould core, a second female mould core sub-runner is arranged below the glue inlet through hole, a third female mould core sub-runner leading to the cavity of the female mould core is arranged on the inner side of the lower part of the second female mould core sub-runner, a first male mould core sub-runner, a second male mould core sub-runner and a third male mould core sub-runner which are matched with the first female mould core sub-runner, the second female mould core sub-runner and the third female mould core sub-runner are arranged at corresponding positions on the male mould core, and the outlet of the first male mould core sub-runner is communicated with the middle part of a male mould core forming cavity, an outlet of the third core insert shunting groove is communicated with the lower end of the core insert forming cavity; a first glue thimble hole is arranged at the position, corresponding to the glue inlet through hole, of the male mold core and the female mold core, a second glue thimble hole is arranged at the position, close to the injection molding cavity end of the male mold core, of the first male mold core subchannel, and a third glue thimble hole is arranged at the position, close to the injection molding cavity end of the male mold core, of the third male mold core subchannel; and a plurality of discharging thimble holes are formed in the injection molding cavity of the male mold core.

2. The injection mold insert for the water pipe connection valve body according to claim 1, wherein the first cavity insert runner is inclined upward of the cavity insert, and the third cavity insert runner is perpendicular to the second cavity insert runner.

3. The injection mold insert of claim 1, wherein the number of the discharging thimble holes is 5, one of the discharging thimble holes is located right below the upper end of the core insert molding cavity, and the other four discharging thimble holes are grouped in pairs and respectively located right below the middle part and the lower end of the core insert molding cavity.

4. The injection mold core for the water pipe connection valve body according to claim 3, wherein the diameter of the discharging thimble hole positioned right below the upper end of the core molding cavity is 4mm, and the diameter of the discharging thimble hole positioned right below the middle and lower ends of the core molding cavity is 5 mm.

5. The injection mold insert for the water pipe connection valve body according to claim 1, wherein an unsealed cooling water channel shaped like a Chinese character kou is provided in each of the male mold insert and the female mold insert, the cooling water channel surrounds the lower periphery of the male mold insert injection mold cavity and the female mold insert injection mold cavity, the water inlet and the water outlet of the cooling water channel of the female mold insert are located on the non-injection mold cavity surface of the female mold insert, and the water inlet and the water outlet of the cooling water channel of the male mold insert are located on the non-injection mold cavity surface of the male mold insert.

6. The injection mold core for the water pipe connection valve body according to claim 5, wherein three threaded mounting holes are formed on the non-injection molding cavity surfaces of the female mold core and the male mold core, two of the three threaded mounting holes and the water inlet and outlet of the cooling water channel are located on the same side of the injection mold cavity, and the other threaded mounting hole is located on the opposite side of the two threaded mounting holes.

7. The injection mold insert for the water pipe connection valve body according to claim 6, wherein two threaded mounting holes are formed on the injection molding cavity surfaces of the female mold insert and the male mold insert, and the two threaded mounting holes on the female mold insert and the male mold insert are respectively located on two sides of the female mold insert injection molding cavity and the male mold insert injection molding cavity and are obliquely arranged.