CN222727194U

CN222727194U - An injection mold convenient for positioning terminal connector in mold

Info

Publication number: CN222727194U
Application number: CN202421521959.5U
Authority: CN
Inventors: 刘小强; 林永清
Original assignee: Huizhou Hesheng Chuangjie Technology Co ltd
Current assignee: Huizhou Hesheng Chuangjie Technology Co ltd
Priority date: 2024-07-01
Filing date: 2024-07-01
Publication date: 2025-04-08
Anticipated expiration: 2034-07-01

Abstract

The utility model discloses an injection mold convenient for positioning an inner terminal connecting piece of a mold, which relates to the technical field of injection molds and comprises an upper cover, an upper template, a lower template and a lower cover which are sequentially arranged from top to bottom, wherein an upper mold core for installing a diaphragm is arranged in the upper template, a lower mold core is arranged in the lower template, the upper mold core corresponds to the lower mold core, a side seat and an ejector plate assembly are arranged between the lower template and the lower cover, the side seat is positioned on two sides of the ejector plate assembly, the ejector plate assembly comprises a movable terminal insert and a plurality of ejector pins, a positioning and fixing groove is formed in the upper end of the movable terminal insert, and the movable terminal insert can position and fix the terminal connecting piece in the diaphragm during mold closing. According to the utility model, the movable terminal insert is detachably arranged, after the movable terminal insert is connected with the terminal connecting piece on the diaphragm, the position of the terminal connecting piece on the diaphragm can be ensured to be accurate when the injection molding machine is used for closing the die, the die can be normally closed, and the phenomenon that the terminal connecting piece is crushed due to the fact that the position of the terminal connecting piece is deviated when the diaphragm is used for injection molding is avoided, so that the functional failure of in-film electronics and circuit films of finished products after injection molding is avoided.

Description

Injection mold convenient to terminal connecting piece location in pair mould

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold convenient for positioning an inner end connector of a mold.

Background

The existing in-mold electronics and circuits are integrated on an IML film, terminal connecting pieces are welded on the film, and the terminal connecting pieces are used for connecting the whole in-mold electronics touch pad with a touch function with an external controller through the terminal connecting pieces to realize the touch function. At present, in the injection molding process of an injection mold on the market, a positioning and fixing structure of a terminal connecting piece is not arranged, when a membrane after 3D molding is placed in the mold for injection molding, the position of the terminal connecting piece is easily deviated, so that the terminal connecting piece is crushed, and then the functions of in-mold electronics and a circuit film after injection molding are invalid. There is therefore a need for an injection mold that facilitates positioning of an in-mold terminal connection that ameliorates the above-described problems.

Disclosure of utility model

The utility model aims to provide an injection mold which is convenient for positioning a terminal connecting piece in a mold and aims to solve the technical problems, the utility model aims to solve the technical problems by detachably arranging a movable terminal insert, after the movable terminal insert is connected with the terminal connecting piece on a diaphragm, the position of the terminal connecting piece on the diaphragm can be ensured to be accurate when the injection molding machine clamps the die, the die can be normally clamped, and the phenomenon that the terminal connecting piece is crushed due to the fact that the position of the terminal connecting piece is deviated when the diaphragm is subjected to injection molding is avoided, so that the functional failure of the finished product after injection molding in-film electronics and a circuit film is avoided.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme:

The utility model provides an injection mold convenient to terminal connecting piece location in to the mould, includes upper cover, cope match-plate pattern, lower bolster and the lower cover that down set gradually from last, be equipped with the last mould benevolence of installation diaphragm in the cope match-plate pattern, be equipped with the lower mould benevolence in the lower bolster, it corresponds with the lower mould benevolence to go up the mould benevolence, be equipped with side seat and thimble board subassembly between lower bolster and the lower cover, the side seat is located the both sides of thimble board subassembly, thimble board subassembly is including movable terminal mold insert and a plurality of thimble, be equipped with the location fixed slot in the upper end of movable terminal mold insert, the terminal connecting piece in the movable terminal mold insert can be fixed in the fixed diaphragm of location during the compound die.

Preferably, the thimble board subassembly is still including last roof, lower roof, a plurality of upper guide post and a plurality of lower guide post, it is located the below of lower bolster to go up the roof, lower roof is connected with last roof, the lower extreme and the last roof of going up the guide post are connected, but the upper end of going up the guide post passes lower bolster and cope match-plate pattern movable butt, the lower extreme and the lower cover of lower guide post are connected, the upper end activity of lower guide post passes lower roof, goes up the roof and inserts in the lower bolster.

Preferably, the lower extreme and the last roof connection of thimble, the upper end activity of thimble passes lower bolster, lower mould benevolence outwards extend, the lower extreme and the last roof detachable of movable terminal mold insert are connected, the upper end activity of movable terminal mold insert passes lower bolster, lower mould benevolence outwards extends.

Preferably, a movable cavity is formed by enclosing the lower template, the side seat and the lower cover, and the upper top plate and the lower top plate can move up and down in the movable cavity.

Preferably, the diaphragm mounting groove for mounting the diaphragm and a plurality of protruding limiting blocks are arranged in the upper die core, the diaphragm supporting groove for bearing the diaphragm and a plurality of sunken limiting concave parts are arranged in the lower die core, and the limiting blocks are adapted to the limiting concave parts.

Preferably, the device further comprises a gate connecting seat and an injection pipe, wherein the gate connecting seat is arranged on the upper end face of the upper cover, an injection opening of the injection pipe is positioned on the upper cover, and the lower end of the injection pipe penetrates through the upper cover, the upper template and the upper die core to be communicated with the diaphragm mounting groove.

Preferably, the mold further comprises a plurality of upper cooling pipelines and a plurality of lower cooling pipelines, wherein one end of each upper cooling pipeline is installed in the upper mold plate, the other end of each upper cooling pipeline penetrates through the upper mold plate and is inserted into the upper mold core, one end of each lower cooling pipeline is installed in the lower mold plate, and the other end of each lower cooling pipeline penetrates through the lower mold plate and is inserted into the lower mold core.

Preferably, an upper die mounting groove and a plurality of plug-in columns are arranged in the upper die plate, and the upper die core is arranged in the upper die mounting groove.

Preferably, a lower die mounting groove and a plurality of inserting grooves are formed in the lower die plate, the lower die core is mounted in the lower die mounting groove, and the lower ends of the inserting columns can be detachably inserted into the inserting grooves.

Preferably, the lower cover is further provided with through holes therein, and the through holes are located among the plurality of lower guide posts.

The injection mold convenient for positioning the mold inner end connecting piece has the following beneficial effects:

1. According to the injection mold convenient for positioning the terminal connector in the mold, after the movable terminal insert is detachably arranged and connected with the terminal connector on the diaphragm, the position of the terminal connector on the diaphragm can be ensured to be accurate when the mold is closed by the injection molding machine, the mold can be normally closed, and the terminal connector is prevented from being crushed due to the fact that the position of the terminal connector is deviated when the diaphragm is subjected to injection molding, so that the functional failure of the finished product of the in-mold electronic and circuit film after injection molding is avoided;

2. According to the injection mold, the injection mold is convenient for positioning the mold inner end connecting piece, and the cooling liquid or cold water is injected into the upper cooling pipeline and the lower cooling pipeline, so that the upper mold core and the lower mold core can be rapidly cooled, the injection material is improved, and the cooling molding is accelerated, so that the product is solidified after being molded, and the molding time is saved;

3. The utility model relates to an injection mold convenient for positioning an inner mold connector, which mainly comprises an upper cover, an upper template, an upper mold core, a lower template, a lower mold core, a thimble assembly and a lower cover, and has the advantages of less component parts, simple structure, reasonable space design and convenient popularization and production.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model in a clamped state;

FIG. 2 is a schematic cross-sectional view of the structure shown in FIG. 1;

FIG. 3 is a schematic diagram illustrating a structural separation of FIG. 1;

FIG. 4 is a second schematic diagram illustrating the structure of FIG. 1;

FIG. 5 is a schematic view of the structure of the present utility model before mold closing;

FIG. 6 is a schematic view of the structure of the present utility model after mold opening;

FIG. 7 is a schematic diagram of an injection molded article of the present utility model.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the following further details of the present utility model will be described with reference to examples and drawings.

It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, fig. 2, fig. 3 and fig. 7, an injection mold convenient for positioning a terminal connecting piece in a mold comprises an upper cover 1, an upper template 2, a lower template 3 and a lower cover 4 which are sequentially arranged from top to bottom, wherein the upper template 2 and the lower template 3 are detachably connected, an upper mold core 5 for installing a membrane is arranged in the upper template 2, a lower mold core 6 is arranged in the lower template 3, the upper mold core 5 corresponds to the lower mold core 6, a side seat 7 and a thimble plate assembly 8 are arranged between the lower template 3 and the lower cover 4, the side seat 7 is positioned on two sides of the thimble plate assembly 8, the thimble plate assembly 8 comprises a movable terminal insert 9 and a plurality of thimbles 10, a positioning fixing groove 11 is arranged in the upper end of the movable terminal insert 9, and a terminal connecting piece 12 in the membrane can be positioned and fixed during mold closing. The movable terminal insert 9 is detachably provided. The utility model needs to be matched with an injection molding machine for use, the terminal connecting piece 12 on the diaphragm is vertically raised, and the movable terminal insert 9 is arranged, so that the terminal connecting piece 12 is inserted into the positioning and fixing groove 11 for fixing and limiting during die assembly, and the problems of downward crushing, position deviation and the like of the terminal connecting piece 12 during die assembly are avoided.

As shown in fig. 3 and 4, the thimble board assembly 8 further includes an upper top plate 13, a lower top plate 14, a plurality of upper guide posts 15 and a plurality of lower guide posts 16, the upper top plate 13 is located below the lower mold plate 3, the lower top plate 14 is connected with the upper top plate 13, the lower end of the upper guide post 15 is connected with the upper top plate 13, the upper end of the upper guide post 15 passes through the lower mold plate 3 and movably abuts against the upper mold plate 2, the lower end of the lower guide post 16 is connected with the lower cover 4, and the upper end of the lower guide post 16 movably passes through the lower top plate 14 and the upper top plate 13 and is inserted into the lower mold plate 3.

As shown in fig. 3 and 4, the lower end of the ejector pin 10 is connected with the upper top plate 13, the upper end of the ejector pin 10 movably passes through the lower die plate 3 and the lower die core 6 to extend outwards, the lower end of the movable terminal insert 9 is detachably connected with the upper top plate 13, and the upper end of the movable terminal insert 9 movably passes through the lower die plate 3 and the lower die core 6 to extend outwards.

As shown in fig. 2, the lower die plate 3, the side seat 7 and the lower cover 4 enclose a movable cavity 17, and the upper top plate 13 and the lower top plate 14 can move up and down in the movable cavity 17.

As shown in fig. 3 and 4, the upper mold core 5 is provided with a membrane mounting groove 18 for mounting a membrane and a plurality of protruding limiting blocks 19, the lower mold core 6 is provided with a membrane supporting groove 20 for receiving the membrane and a plurality of recessed limiting concave parts 21, and the limiting blocks 19 are adapted to the limiting concave parts 21.

When the mold is closed, a gap is formed between the diaphragm, the diaphragm mounting groove 18 and the diaphragm support groove 20, and a molding cavity is formed, so that the injection of the glue into the surface of the diaphragm is facilitated.

As shown in fig. 3 and 4, the device further comprises a gate connecting seat 22 and an injection pipe 23, wherein the gate connecting seat 22 is arranged on the upper end face of the upper cover 1, an injection opening of the injection pipe 23 is positioned on the upper cover 1, and the lower end of the injection pipe 23 passes through the upper cover 1, the upper template 2 and the upper die core 5 to be communicated with the diaphragm mounting groove 18.

As shown in fig. 1 to 4, the mold further comprises a plurality of upper cooling pipes 24 and a plurality of lower cooling pipes 25, wherein one end of each upper cooling pipe 24 is installed in the upper mold plate 2, the other end of each upper cooling pipe passes through the upper mold plate 2 and is inserted into the upper mold core 5, one end of each lower cooling pipe 25 is installed in the lower mold plate 3, and the other end of each lower cooling pipe passes through the lower mold plate 3 and is inserted into the lower mold core 6. The upper cooling duct 24 and the lower cooling duct 25 are each used for the flow of cooling liquid or cold water. The upper cooling pipe 24 is provided with an upper connection port connected to the cooling device, and the lower cooling pipe 25 is provided with a lower connection port connected to the cooling device.

After the injection of the glue is completed, the external cooling device injects cooling liquid or cold water into the upper cooling pipeline 24 and the lower cooling pipeline 25 through the upper connecting port and the lower connecting port respectively, so that the upper die core 5 and the lower die core 6 can be rapidly cooled, the injection of the glue in the molding cavity is accelerated to be cooled and molded, the product is solidified after molding, and the molding time is saved.

As shown in fig. 4, the upper die plate 2 is provided with an upper die mounting groove 26 and a plurality of inserting posts 27, and the upper die core 5 is mounted in the upper die mounting groove 26.

As shown in fig. 3 and 4, the lower die plate 3 is provided therein with a lower die mounting groove 28 and a plurality of insertion holes 29, the lower die insert 6 is mounted in the lower die mounting groove 28, and the lower ends of the insertion posts 27 are detachably inserted into the insertion holes 29. The cooperation of spliced pole 27 and spliced hole 29 can inject and stabilize the connection between cope match-plate pattern 2 and the lower bolster 3, improves the stability of compound die process, avoids taking place the offset, improves accuracy and stability.

As shown in fig. 4, the lower cover 4 is further provided with a through hole 30 therein, and the through hole 30 is located between the plurality of lower guide posts 16.

After the mold closing and injection molding is completed, the injection molding machine moves the upper mold plate 2 and the upper cover 1 upward to open the mold, and then the ejector pin of the injection molding machine passes through the through hole 30 of the lower cover 4 to push up against the lower top plate 14, so that the lower top plate 14 moves upward, and the ejector pin 10 and the movable terminal insert 9 are driven to eject the injection molded product upward.

As shown in fig. 3 and fig. 4, a plurality of first assembly holes are formed in the upper cover 1, a plurality of second assembly holes are formed in the upper template 2, a plurality of third assembly holes are formed in the lower cover 4, and a plurality of fourth assembly holes are formed in the side seat 7. During installation, the first assembly part 31 is used for fastening the connection between the upper cover 1 and the upper template 2 through the first assembly hole and the second assembly hole, and the second assembly part 32 is used for fastening the connection between the lower cover 4 and the side seat 7 through the fourth assembly hole and the third assembly hole, so that the disassembly and assembly are convenient. The assembly of this embodiment may be a screw or a common fastening member such as a screw.

As shown in fig. 3 and fig. 4, the lower cover 4 is further provided with a plurality of fifth assembly holes, the side seat 7 is further provided with a plurality of sixth assembly holes, the lower die plate 3 is provided with a plurality of seventh assembly holes, and when the lower cover is mounted, the third assembly 33 is used for fastening the connection among the lower cover 4, the side seat 7 and the lower die plate 3 through the seventh assembly holes, the sixth assembly holes and the fifth assembly holes, so that the lower cover is convenient to mount and dismount.

As shown in fig. 3 and 4, a plurality of eighth assembly holes are formed in the upper top plate 13, a plurality of ninth assembly holes are formed in the lower top plate 14, and when the upper top plate 13 is mounted, the fourth assembly parts 34 are used for fastening the connection between the upper top plate 14 and the lower top plate 13 through the ninth assembly holes and the eighth assembly holes.

As shown in fig. 1 and 2, the corners of the upper template 2, the lower template 3 and the side seat 7 are respectively provided with a slot 35, the slots 35 improve the convenience of disassembly, and the side edges of the upper cover 1, the upper template 2, the lower template 3, the side seat 7, the upper top plate 13, the lower top plate 14 and the lower cover 4 are respectively provided with a limit fastening hole 36, wherein the limit fastening holes 36 are used for connecting an injection molding machine, so that the stability of the working process of the utility model is further improved.

As shown in fig. 1 to 7, the working principle of the present utility model is as follows:

Firstly, placing an IML membrane inlaid with a terminal connecting piece 12 into a membrane mounting groove 18 of an upper die core 5;

Then the movable terminal insert 9 is matched and connected with the terminal connecting piece 12 on the membrane, namely the terminal connecting piece 12 is inserted into the positioning and fixing groove 11 for fixing and limiting, then the injection molding machine is used for closing the mold, at the moment, the movable terminal insert 9 moves downwards to drive the upper top plate 13 and the lower top plate 14 to move downwards simultaneously until the lower top plate 14 contacts with the lower template 3, so that the membrane is downwards inserted into the membrane supporting groove 20, and meanwhile, the inserting posts 27 of the upper template 2 are inserted into the inserting holes 29 of the lower template 3, and the upper ends of the upper guide posts 15 contact with the upper template 2, so that the mold closing can be completed;

Secondly, the raw materials are injected into the injection pipe 23 and then reach the forming cavity, the raw materials in the forming cavity are cooled and formed quickly by the upper cooling pipeline 24 and the lower cooling pipeline 25, so that the glue injection filling can be completed, and a layer of raw materials is coated on the surface of the membrane in an injection molding way;

Finally, the injection molding machine opens the mold, the upper mold plate 2 is separated from the lower mold plate 3, the injection molding finished product is temporarily stored on the membrane supporting groove 20, and the ejector post of the injection molding machine penetrates through the through hole 30 of the lower cover 4 to upwards prop against the lower top plate 14, so that the lower top plate 14 moves upwards, and the ejector pin 10 and the movable terminal insert 9 are driven to upwards eject the injection molding finished product from the membrane supporting groove 20.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and those skilled in the art may easily implement the present utility model as shown in the drawings and described above, but many modifications, adaptations and variations of the present utility model can be made by those skilled in the art without departing from the scope of the present utility model, and at the same time, any equivalent modifications, adaptations and variations of the present utility model according to the essential technology of the present utility model fall within the scope of the present utility model.

Claims

1. The injection mold is characterized by comprising an upper cover, an upper template, a lower template and a lower cover which are sequentially arranged from top to bottom, wherein an upper die core for installing a diaphragm is arranged in the upper template, a lower die core is arranged in the lower template, the upper die core corresponds to the lower die core, a side seat and an ejector plate assembly are arranged between the lower template and the lower cover, the side seat is positioned on two sides of the ejector plate assembly, the ejector plate assembly comprises a movable terminal insert and a plurality of ejector pins, a positioning fixing groove is formed in the upper end of the movable terminal insert, and the movable terminal insert can position and fix the terminal connecting piece in the diaphragm during die assembly.

2. The injection mold for facilitating positioning of the mold inner end connecting piece according to claim 1, wherein the ejector plate assembly further comprises an upper top plate, a lower top plate, a plurality of upper guide posts and a plurality of lower guide posts, the upper top plate is positioned below the lower mold plate, the lower top plate is connected with the upper top plate, the lower end of the upper guide post is connected with the upper top plate, the upper end of the upper guide post penetrates through the lower mold plate to movably abut against the upper mold plate, the lower end of the lower guide post is connected with the lower cover, and the upper end of the lower guide post movably penetrates through the lower top plate and is inserted into the lower mold plate.

3. The injection mold for facilitating positioning of the mold insert connecting piece according to claim 2, wherein the lower end of the ejector pin is connected with the upper top plate, the upper end of the ejector pin movably penetrates through the lower mold plate and the lower mold core to extend outwards, the lower end of the movable terminal insert is detachably connected with the upper top plate, and the upper end of the movable terminal insert movably penetrates through the lower mold plate and the lower mold core to extend outwards.

4. The injection mold for facilitating positioning of an inner mold connector according to claim 3, wherein the movable cavity is defined by the lower mold plate, the side seat and the lower cover, and the upper top plate and the lower top plate are movable up and down in the movable cavity.

5. The injection mold facilitating positioning of the mold inner end connector according to claim 1, wherein the upper mold core is internally provided with a diaphragm mounting groove for mounting a diaphragm and a plurality of protruding limiting blocks, the lower mold core is internally provided with a diaphragm supporting groove for supporting the diaphragm and a plurality of recessed limiting concave parts, and the limiting blocks are adapted to the limiting concave parts.

6. The injection mold for facilitating positioning of mold inner end connectors according to claim 5, further comprising a gate connecting seat and an injection pipe, wherein the gate connecting seat is arranged on the upper end face of the upper cover, an injection opening of the injection pipe is arranged on the upper cover, and the lower end of the injection pipe penetrates through the upper cover, the upper mold plate and the upper mold core to be communicated with the diaphragm mounting groove.

7. The injection mold for facilitating positioning of mold inner end connectors according to claim 1, further comprising a plurality of upper cooling pipes and a plurality of lower cooling pipes, wherein one ends of the upper cooling pipes are installed in the upper mold plate, the other ends of the upper cooling pipes penetrate through the upper mold plate and are inserted into the upper mold core, one ends of the lower cooling pipes are installed in the lower mold plate, and the other ends of the lower cooling pipes penetrate through the lower mold plate and are inserted into the lower mold core.

8. The injection mold for facilitating positioning of the mold inner end connector according to claim 1, wherein an upper mold mounting groove and a plurality of plug posts are arranged in the upper mold plate, and the upper mold insert is arranged in the upper mold mounting groove.

9. The injection mold for facilitating positioning of the mold inner terminal connector according to claim 8, wherein a lower mold mounting groove and a plurality of inserting grooves are formed in the lower mold plate, the lower mold insert is mounted in the lower mold mounting groove, and the lower end of the inserting column is detachably inserted into the inserting grooves.

10. The injection mold for facilitating positioning of an inner mold connector of claim 2, wherein the lower cover further has a through hole therein, the through hole being located between the plurality of lower guide posts.