CN219325472U

CN219325472U - Female die insert

Info

Publication number: CN219325472U
Application number: CN202223507941.3U
Authority: CN
Inventors: 杨雅静; 宋海超; 刘霞平; 姚康康
Original assignee: Fengwu Optoelectronics Suzhou Co ltd
Current assignee: Fengwu Optoelectronics Suzhou Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-07-11
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to a female mold insert which mainly comprises a first insert and a second insert, wherein the first insert and the second insert are mutually connected through a plurality of screws, each screw on the female mold insert is sequentially arranged at intervals along the extending direction of a feeding runner of the female mold insert, and the female mold insert comprises two feeding runners arranged at intervals and two runner outlet ends arranged at intervals. This arrangement of the present application is very robust. The female mold insert is not easy to deform in a long-time use state. The first insert and the second insert are not expanded and deformed, so that scraps do not exist in the runner of the female mold insert, the produced product is not deviated in size, and the condition of drawing the product is not easy to occur.

Description

Female die insert

Technical Field

The utility model relates to the field of injection molding, in particular to a female mold insert.

Background

The key cap of the shutter key used on the camera is injection molded by a mold. The female mold insert and the female mold insert are used in the mold for producing the key cap. A plurality of molding holes are arranged on the traditional female mold core, each molding hole is provided with a female mold insert, and 4 molding holes are provided with 4 female mold inserts. As shown in FIG. 1, the conventional master mold insert has only one feed runner and one runner outlet. The outlet end of the runner corresponds to one forming cavity. The traditional female mold insert comprises a first insert and a second insert, wherein the first insert comprises a half runner and a joggle lug, the second insert comprises a half runner and a joggle groove, the two inserts are embedded together through the joggle lug and the joggle groove, and then the female mold insert is embedded in a runner plate. After the traditional female mold insert is used for a period of time, the first insert and the second insert are not firmly connected, so that the first insert and the second insert are easy to expand and deform, materials in a runner of the female mold insert cannot be pulled out completely, scraps exist in the runner, the size of a produced product is enlarged, and the condition that the product pulls out is easy to occur.

Disclosure of Invention

Based on this, a master insert is provided. The female mold insert is not easy to deform in a long-time use state.

A female mold insert, which comprises a first insert and a second insert,

the first insert and the second insert are connected with each other through a plurality of screws, the screws on the female insert are sequentially arranged at intervals along the extending direction of the feeding flow channel of the female insert, and the female insert comprises two feeding flow channels arranged at intervals and two flow channel outlet ends arranged at intervals.

The first son and the second son that go into the son of master model of this application are in the same place through a plurality of screws interconnect, each screw on the master model goes into the son and sets up along the extension direction of the feeding runner of master model income son at intervals in proper order, just the master model goes into the son and includes the runner exit end that two interval settings's feeding runner and two interval settings, and the master model that this kind of setting mode formed goes into the son very firm. The female mold insert is not easy to deform in a long-time use state. The first insert and the second insert are not expanded and deformed, so that scraps do not exist in the runner of the female mold insert, the produced product is not deviated in size, and the condition of drawing the product is not easy to occur.

The female mold insert comprises two runner outlet ends, and a certain distance is reserved between the two runner outlet ends. Thus, two products can be produced at a time by one master insert. And the two runner outlet ends are separated by a certain distance, so that the two runner outlet ends are not mutually influenced in the forming process.

In one embodiment, the first insert comprises a first left side portion, a first middle portion and a first right side portion, the first left side portion is provided with a first sub-flow channel, the first right side portion is provided with a second sub-flow channel,

the second inlet comprises a second left side part, a second middle part and a second right side part, the second left side part is provided with a third sub-runner, the second right side part is provided with a fourth sub-runner,

the first sub-runner and the fourth sub-runner are matched to form a feeding runner, the second sub-runner and the third sub-runner are matched to form a feeding runner,

the first left side part and the second right side part are connected through a plurality of screws, the lower end of the first left side part and the lower end of the second right side part jointly form a first runner outlet end,

the first middle part and the second middle part are connected through a plurality of screws,

the first right part and the second left part are connected through a plurality of screws, and the lower end of the first right part and the lower end of the second left part jointly form a second runner outlet end.

In one embodiment, the outlet of the first sub-flow channel is located on the inner side wall of the first left side portion, the outlet of the second sub-flow channel is located on the inner side wall of the first right side portion, the outlet of the third sub-flow channel is located on the inner side wall of the second left side portion, and the outlet of the fourth sub-flow channel is located on the inner side wall of the second right side portion.

In one embodiment, some screws on the female mold insert are mounted in a direction from the first insert toward the second insert, and other screws are mounted in a direction from the second insert toward the first insert.

In one embodiment, the feed channel includes a straight portion and an arcuate portion, and the feed channel has an inner diameter that tapers from the channel inlet to the channel outlet.

In one embodiment, the first insert and the second insert are connected by a joggle structure.

In one embodiment, two sides of the upper end of the first insert are respectively provided with a fixing screw hole, and two sides of the upper end of the second insert are respectively provided with a fixing screw hole.

Drawings

FIG. 1 is a schematic diagram of a prior art master insert.

Fig. 2 is a schematic diagram of a first insert according to an embodiment of the present application.

Fig. 3 is a schematic diagram of a second insert according to an embodiment of the present application.

FIG. 4 is a schematic diagram of a first insert and a second insert according to an embodiment of the present application joined together to form a master insert.

FIG. 5 is a schematic view of the outlet end of the runner of the female mold insert inserted into the molding cavity of the female mold insert according to the embodiment of the present application.

Wherein:

117. a male mold core; 118. a female mold core; 1181. forming a hole; 119. a male mold insert; 200. a female die insert; 210. a first insert; 220. a second insert; 230. a joggle structure; 231. joggle protruding blocks; 232. a dovetail groove; 240. an outlet end of the flow channel; 241. a flow channel outlet; 250. a flow channel inlet; 261. screw holes for fixing; 262. screw holes for fixing;

211. a first left side portion; 212. a first right portion; 213. a first intermediate portion;

214. a first sub-flow path; 215. a second sub-flow path; 2141. a straight line portion; 2142. an arc section; 2143. an outlet; 2151. an outlet; 300. a screw;

221. a second left side portion; 222. a second intermediate portion; 223. a second right side portion; 224. a third sub-flow path; 225. a fourth sub-flow path; 2241. an outlet; 2251. and an outlet.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

As shown in fig. 2 to 4, the embodiment of the present application provides a female mold insert, where the female mold insert 200 includes a first insert 210 and a second insert 220, the first insert 210 and the second insert 220 are connected to each other by a plurality of screws 300, each screw 300 on the female mold insert 200 is sequentially arranged at intervals along the extension direction of the feeding flow channel of the female mold insert, and the female mold insert 200 includes two feeding flow channels arranged at intervals and two flow channel outlet ends 240 arranged at intervals. The runner outlet 240 of the master insert 200 is configured to extend into the molding cavity 1181, as shown in FIG. 5. The two flow channel outlet ends 240 are spaced apart a distance. The distance can be set according to the actual working condition. The flow channel outlet port 240 is provided with a flow channel outlet 241. In actual use, the two runner outlet ends 240 extend into the 2 molding cavities 1181 of the female mold insert 118, respectively.

Specifically, the runner outlet 240 of the master insert 200 is located at one end of the master insert 200, and the runner inlet 250 of the master insert 200 is located at the other end of the master insert 200.

Specifically, as shown in fig. 2 and 3, the first inlet 210 includes a first left portion 211, a first middle portion 213 and a first right portion 212, the first left portion 211 is provided with a first sub-runner 214, the first right portion 212 is provided with a second sub-runner 215, the second inlet 220 includes a second left portion 221, a second middle portion 222 and a second right portion 223, the second left portion 221 is provided with a third sub-runner 224, the second right portion 223 is provided with a fourth sub-runner 225, the first sub-runner 214 and the fourth sub-runner 225 are matched to form a feeding runner, and the runner inlet 250 and the runner outlet 241 of the feeding runner are formed by matching the first sub-runner 214 with the fourth sub-runner 225. The second sub-runner 215 is matched with the third sub-runner 224 to form a feed runner, and the runner inlet 250 and the runner outlet 241 of the feed runner are formed by matching the second sub-runner 215 with the third sub-runner 224. The first left part 211 and the second right part 223 are connected by a plurality of screws, the lower end of the first left part 211 and the lower end of the second right part 223 jointly form a runner outlet end 240 which is used for extending into the forming cavity 1181, the first middle part 213 and the second middle part 222 are connected by a plurality of screws 300, the first right part 212 and the second left part 221 are connected by a plurality of screws 300, and the lower end of the first right part 212 and the lower end of the second left part 221 jointly form a runner outlet end 240 which is used for extending into the forming cavity 1181.

Specifically, the first left portion 211 and the first right portion 212 are protruded by a part from the first middle portion 213, and the second left portion 221 and the second right portion 223 are protruded by a part from the second middle portion 222. This may form the flow channel outlet end 240 described above.

In one embodiment, the outlet 2143 of the first sub-flow channel 214 is located on the inner side wall of the first left portion 211, and the outlet 2151 of the second sub-flow channel 215 is located on the inner side wall of the first right portion 212. The outlet 2241 of the third sub-flow passage 224 is located at the inner side wall of the second left side portion 221, and the outlet 2251 of the fourth sub-flow passage 225 is located at the inner side wall of the second right side portion 223.

In one embodiment, as shown in fig. 2 to 4, some screws on the female mold insert 200 are mounted in a direction from the first insert 210 toward the second insert 220, and other screws are mounted in a direction from the second insert 220 toward the first insert 210. I.e. some screws are passed through the first insert 210 and connected to holes provided on the inner side of the second insert 220. Other screws pass through the second insert 220 and connect with holes provided on the inner side of the first insert 210.

In one embodiment, as shown in fig. 2, the feed channel includes a straight portion 2141 and an arcuate portion 2142, and the inner diameter channel entrance 250 of the feed channel tapers to the channel exit 241.

In one embodiment, as shown in fig. 2 and 3, the first insert 210 and the second insert 220 are connected by a dovetail structure 230. For example, the mortise structures 230 are provided on the first left portion 211, the first middle portion 213, and the first right portion 212 of the first insert 210, and the mortise structures 230 are provided on the second left portion 221, the second middle portion 222, and the second right portion 223 of the second insert 220. The dovetail structure 230 includes a dovetail projection 231 and a dovetail groove 232. This makes the connection between the first and

second entrances

210 and 220 more secure.

In one embodiment, as shown in fig. 5, two sides of the upper end of the first insert 210 are respectively provided with a fixing screw hole 261, and two sides of the upper end of the second insert 220 are respectively provided with a fixing screw hole 262. The female mold insert 200 is conveniently fixed on the runner plate through the cooperation of the fixing screw holes and the screws.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A female mold insert, which comprises a first insert and a second insert, and is characterized in that,

2. The master mold insert of claim 1, wherein the first insert comprises a first left side portion, a first middle portion, and a first right side portion, the first left side portion is provided with a first sub-runner, the first right side portion is provided with a second sub-runner,

3. The master mold insert of claim 2, wherein the outlet of the first sub-runner is located on the inner sidewall of the first left portion, the outlet of the second sub-runner is located on the inner sidewall of the first right portion, the outlet of the third sub-runner is located on the inner sidewall of the second left portion, and the outlet of the fourth sub-runner is located on the inner sidewall of the second right portion.

4. The master insert of claim 3, wherein some of the screws on the master insert are mounted in a direction from the first insert toward the second insert and some of the screws are mounted in a direction from the second insert toward the first insert.

5. The master mold insert of claim 4, wherein the feed runner comprises a straight portion and an arcuate portion, the feed runner having an inner diameter that tapers from a runner inlet to a runner outlet.

6. The master insert of claim 5, wherein the first insert and the second insert are coupled by a dovetail arrangement.

7. The master mold insert according to any one of claims 2 to 6, wherein fixing screw holes are provided on both sides of the upper end of the first insert, and fixing screw holes are provided on both sides of the upper end of the second insert.