CN214773643U

CN214773643U - Volume key mould

Info

Publication number: CN214773643U
Application number: CN202120710416.8U
Authority: CN
Inventors: 张伟勇; 陈建新; 钱永峰; 颜林海
Original assignee: Dongguan Hongjig Plastic Electronic Co ltd
Current assignee: Dongguan Hongjig Plastic Electronic Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-11-19
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a volume key mould, including last mould, lower mould, oblique top mechanism. The communicating part of the runner on the lower mold core and the cavity is provided with a reducing port for changing the injection speed of the injection molding material, so that the injection molding material can enter the cavity at a higher injection speed, and the injection molding material can be quickly filled in the whole cavity. Meanwhile, the connecting area of the cavity and the runner is reduced by the reducing port, so that the returned materials on the volume key are easy to cut off. Meanwhile, the cavities of the volume keys on the mold core main body can form a plurality of volume keys at one time, and the production efficiency is high.

Description

Volume key mould

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to indicate a volume key mould.

Background

The mobile phone is provided with a volume key for adjusting the volume. At present, most of mobile phone volume keys are manufactured by adopting an injection molding process. Since the volume keys are all small in size, the size of the runners in the injection mold tends to be larger than the size of the volume keys. The material returned in the flow channel needs to be cut off after the volume key is injection molded, so if the connecting area of the material returned in the flow channel and the molded volume key is too large, the cutting off is difficult, and the product is easily scrapped. In addition, if the size of the runner is reduced to reduce the connecting area of the return material and the volume key, the injection molding material can not fill the whole cavity quickly.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to the deficiency of the prior art, and the main objective of the present invention is to provide a volume key mold, which not only allows the injection molding material to fill the cavity quickly, but also allows the material returned on the volume key to be cut off easily, thereby overcoming the deficiencies of the prior art.

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

the application provides a volume key die, which comprises an upper die and a lower die, wherein the upper die is movably arranged on the lower die up and down;

the upper die comprises an upper die base, an upper die plate arranged on the upper die base and an upper die core arranged on the upper die plate;

the lower die comprises a lower die base, a lower die plate arranged on the lower die base and a lower die core arranged on the lower die plate;

the lower die core comprises a lower die core main body and side die cores arranged on the left side and the right side of the lower die core main body; a cavity with a flow channel and a plurality of volume keys is arranged on the lower mold core main body; a reducing port is arranged at the communication position of the flow passage and the cavity, and a plurality of thimbles are arranged in the flow passage and the cavity;

the inclined ejection mechanism is arranged on the outer side of the side mold core; the inclined ejection mechanism comprises an inclined ejection column, a pressing block, a sliding block and a sliding block seat; the sliding block extends out from the outer side of the side mold core and is assembled on the sliding block seat in a sliding manner; the upper end of the inclined top column is arranged on the pressing block, and the lower end of the inclined top column is movably inserted into the sliding block seat; the pressing block presses the sliding block seat downwards to push the side die cores to plug the left side and the right side of the lower die core main body.

As a preferable scheme, a sliding groove is arranged on the sliding block, an installation groove is arranged on the inner side of the sliding block seat, an installation block matched with the sliding groove is arranged in the installation groove, and the installation block is slidably arranged in the sliding groove.

As a preferable scheme, the mounting groove is of an L-shaped structure.

Preferably, the reducer is one of a cone or a pyramid structure.

As a preferred scheme, two ejector pins are arranged in the cavity and distributed at two ends in the cavity from left to right.

Preferably, the left side and the right side of the slider seat are respectively provided with a positioning block, and the slider seat slides between the two positioning blocks.

As a preferable scheme, cooling channels which can be filled with cooling media are arranged on the upper mold core body and the lower mold core body.

Preferably, the upper mold plate is provided with a pressure sensor, and the pressure sensor can be abutted against the upper surface of the upper mold plate.

As a preferable scheme, four corners of the upper mold core are respectively provided with a positioning notch, four corners of the lower mold core main body are respectively provided with a positioning convex block, and the positioning convex blocks can be movably inserted into the positioning notches.

As a preferable scheme, four corners of the upper template are respectively provided with a guide post, four corners of the lower template are respectively provided with a guide post hole, and the guide posts are movably inserted into the guide post holes.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme, the volume key mould includes mould, lower mould, pushes up the mechanism to one side. The communicating part of the runner and the cavity on the lower die core main body is provided with a reducing port, the reducing port can play a role in changing the injection speed, so that injection molding materials can enter the cavity at a higher injection speed, and the whole cavity can be filled rapidly. Meanwhile, the connecting area of the cavity and the runner is reduced by the reducing port, so that the returned materials on the volume key are easy to cut off.

The inclined ejection mechanism can plug the left side and the right side of the lower die core main body when the upper die and the lower die are closed, and the closing action is continuous. Meanwhile, the cavities of the volume keys on the mold core main body can form a plurality of volume keys at one time, and the production efficiency is high.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is an overall schematic diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of an upper mold according to an embodiment of the present invention.

Fig. 3 is a schematic view of the combination of the upper mold core, the lower mold core, and the lifter according to the embodiment of the present invention.

Fig. 4 is a partially exploded view of the lower mold core and the lifter according to the embodiment of the present invention.

The attached drawings indicate the following:

10. upper die 11, upper die base 12 and upper die plate

13. Upper mold core 14, sprue gate 15 and cooling channel

16. Pressure sensor 17, positioning notch 18 and guide column

19. Volume key 20, lower die 21 and lower die holder

22. Lower die plate 23, guide pillar hole 201 and lower die core

202. Lower mold core main body 203, side mold core 204, runner

205. Reducing port 206, cavity 207 and ejector pin

208. Positioning lug 30, pitched roof mechanism 31 and pitched roof column

32. Pressing block 33, sliding block 34 and sliding groove

35. Slider seat 36, mounting groove 37 and mounting block

38. And (5) positioning the blocks.

Detailed Description

Referring to fig. 1 to 4, a specific structure of a preferred embodiment of the present invention is shown, which is a volume key mold.

The reducing port 205 of the flow channel 204 and the cavity 206 can change the flow rate, so that the injection molding material can enter the cavity 206 at a higher injection speed, and the whole cavity 206 can be filled quickly. Meanwhile, the connecting area of the cavity 206 and the flow channel 204 is reduced by the reducing port 205, so that the return material on the volume key is easy to cut off.

The application provides a volume key die, which comprises an upper die 10 and a lower die 20, wherein the upper die 10 can be movably arranged on the lower die 20 up and down;

the upper die 10 comprises an upper die holder 11, an upper die plate 12 arranged on the upper die holder 11, and an upper die core 13 arranged on the upper die plate 12;

the lower die 20 comprises a lower die base 21, a lower die plate 22 arranged on the lower die base 21 and a lower die core 201 arranged on the lower die plate 22;

the lower mold core 201 comprises a lower mold core main body 202 and side mold cores 203 arranged at the left side and the right side of the lower mold core main body 202; a runner 204 and a cavity 206 of a plurality of volume keys 19 are arranged on the lower die core main body 202; a reducing port 205 is arranged at the communication part of the flow passage 204 and the cavity 206, and a plurality of thimbles 207 are arranged in the flow passage 204 and the cavity 206. The injection molding material enters the runner 204 from the sprue gate 14, and the reducing port 205 can play a role in changing the injection speed, so that the injection molding material can enter the cavity 206 from the runner 204 at a higher injection speed, and the whole cavity 206 can be quickly filled. Meanwhile, the connecting area of the cavity 206 and the flow channel 204 is reduced by the reducing port 205, so that the return material on the volume key is easy to cut off. Meanwhile, the cavity 206 for molding the volume key 19 is provided with a plurality of cavities, so that a plurality of volume keys can be produced at one time, and the production efficiency is high. Thimble 207 also facilitates ejection of the product. The communication between the runner 204 and the cavity 206 is preferably provided at two locations, respectively at two ends of the cavity, so that the molding material can be injected from two ways, and the entire cavity 206 can be filled more quickly.

The inclined ejection mechanism 30 is arranged on the outer side of the side mold core 203; the inclined ejection mechanism 30 comprises an inclined ejection column 31, a pressing block 32, a sliding block 33 and a sliding block seat 35; the sliding block 33 extends out from the outer side of the side mold core 203, and the sliding block 33 is assembled on the sliding block seat 35 in a sliding way; the upper end of the inclined top column 31 is arranged on the pressing block 32, and the lower end of the inclined top column 31 is movably inserted into the sliding block seat 35; the pressing block 32 presses down the slider holder 35 to push the side cores 203 to close the left and right sides of the lower core main body 202. The working principle of the pitched roof mechanism 30 is as follows: when the upper die 10 and the lower die 20 are closed; the pressing block 32 presses the sliding block seat 35 downwards, so that the sliding block seat 35 slides, the sliding block seat 35 pushes the side die cores 203 to plug the left side and the right side of the lower die core main body 202, the action of the integral die is completed, and the action of the whole die assembly is coherent and efficient. Because the pressing block 32 and the slider seat 35 are both provided with inclined surfaces, the pressing block 32 can slide the slider seat 35 when moving downwards.

Preferably, the sliding block 33 is provided with a sliding slot 34, the inner side of the sliding block seat 35 is provided with an installation groove 36, an installation block 37 adapted to the sliding slot 34 is arranged in the installation groove 36, and the installation block 37 is slidably arranged in the sliding slot 34. The mounting groove 36 is of an L-shaped structure. Assembling method of the slider 33 and the slider holder 35: the slider 33 slides into the mounting groove 36 of the slider holder 35 so that the mounting block 37 fits into the slide groove 34. Therefore, the sliding block 33 can be skillfully arranged on the sliding block seat 35 without other accessories, and is very convenient.

Preferably, the reducer 205 is one of a conical or pyramidal structure, which can change the injection speed of the injection molding material.

As a preferable scheme, two ejector pins 207 in the cavity 206 are distributed at two ends in the cavity 206, so that the volume key 19 is stressed uniformly when ejected out, and cannot be damaged by ejection.

Preferably, the slider holder 35 is provided with a positioning block 38 on each of the left and right sides thereof, and the slider holder 35 slides between the positioning blocks 38, so that the sliding accuracy of the slider holder 35 can be ensured without deviation.

As a preferable scheme, the upper mold core 13 and the lower mold core main body 202 are both provided with cooling channels 15 into which a cooling medium can be introduced, so that the cooling medium can be conveniently introduced, and the product can be molded as soon as possible.

Preferably, a pressure sensor 16 is disposed on the upper mold plate 12, and the pressure sensor 16 can be abutted against the upper surface of the upper mold plate 12, and can be used for detecting the mold clamping state, so as to facilitate detection.

Preferably, the four corners of the upper mold core 13 are respectively provided with a positioning notch 17, the four corners of the lower mold core main body 202 are respectively provided with a positioning protrusion 208, and the positioning protrusions 208 are movably inserted into the positioning notches 17. Four corners of the upper template 12 are respectively provided with a guide post 18, four corners of the lower template 22 are respectively provided with a guide post hole 23, and the guide posts 18 can be movably inserted into the guide post holes 23. When the die is closed, the guide post 18 is inserted into the guide post hole 23, and the positioning bump 208 is inserted into the positioning notch 17, so that the die closing precision can be ensured.

To sum up, the utility model discloses a design focus lies in, and the reducing mouth 205 of its runner 204 and die cavity 206 intercommunication can play the effect that changes the velocity of flow, lets to let can let the injection molding material get into die cavity 206 with higher penetrating speed, and then can be full of whole die cavity 206 fast. Meanwhile, the connecting area of the cavity 206 and the flow channel 204 is reduced by the reducing port 205, so that the return material on the volume key is easy to cut off.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A volume key mold, characterized in that: comprises an upper die and a lower die, wherein the upper die is movably arranged on the lower die up and down;

2. The volume key mold according to claim 1, wherein: the slider is provided with a sliding groove, the inner side of the slider seat is provided with a mounting groove, a mounting block matched with the sliding groove is arranged in the mounting groove, and the mounting block can be slidably arranged in the sliding groove.

3. The volume key mold according to claim 2, wherein: the mounting groove is of an L-shaped structure.

4. The volume key mold according to claim 1, wherein: the reducing port is in one of a conical or pyramid structure.

5. The volume key mold according to claim 1, wherein: the two ejector pins in the cavity are distributed at two ends in the cavity from left to right.

6. The volume key mold according to claim 1, wherein: the left side and the right side of the sliding block seat are respectively provided with a positioning block, and the sliding block seat slides between the two positioning blocks.

7. The volume key mold according to claim 1, wherein: and cooling channels which can be filled with cooling media are arranged on the upper mold core body and the lower mold core body.

8. The volume key mold according to claim 1, wherein: the upper template is provided with a pressure sensor which can be abutted against the upper surface of the upper template.

9. The volume key mold according to claim 1, wherein: the mould comprises an upper mould core and a lower mould core, wherein the upper mould core is provided with a plurality of positioning notches, the lower mould core is provided with a plurality of positioning lugs, and the positioning lugs are movably inserted into the positioning notches.

10. The volume key mold according to claim 1, wherein: guide posts are respectively arranged on four corners of the upper template, guide post holes are respectively arranged on four corners of the lower template, and the guide posts can be movably inserted into the guide post holes.