An injection mold convenient for positioning terminal connector in mold

Abstract

The utility model discloses an injection mold that is convenient for positioning terminal connectors in a mold, and relates to the technical field of injection molds, including an upper cover, an upper template, a lower template and a lower cover that are sequentially arranged from top to bottom, 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 located on both sides of the ejector plate assembly, the ejector plate assembly includes a movable terminal insert and a plurality of ejectors, and a positioning and fixing groove is arranged in the upper end of the movable terminal insert, and the movable terminal insert can position and fix the terminal connector in the diaphragm when the mold is closed. The utility model is provided with a detachable movable terminal insert, and after the movable terminal insert is connected to the terminal connector on the diaphragm, the terminal connector on the diaphragm can be accurately positioned when the injection molding machine closes the mold, and the mold can be closed normally, so as to avoid the diaphragm causing the position of the terminal connector to be offset during injection molding and crushing the terminal connector, thereby avoiding the functional failure of the electronic and circuit film in the membrane of the finished product after injection molding.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold which is convenient for positioning a terminal connector in a mold. Background Art

[0002] Existing in-mold electronics and circuits are integrated on the IML film, and terminal connectors are welded on the film. The function of the terminal connector is to connect the entire in-mold electronic touch panel with touch function to an external controller through the terminal connector to realize the touch function. During the injection molding process, the injection molds currently on the market do not have a positioning and fixing structure for the terminal connectors. When the 3D-molded diaphragm is placed in the mold for injection molding, it is easy to cause the position of the terminal connector to shift, thereby crushing the terminal connector, and then causing the in-mold electronics and circuit film to fail after injection molding. Therefore, an injection mold that is easy to position the in-mold terminal connector is needed to improve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide an injection mold which is convenient for positioning terminal connectors in a mold, aiming to solve the above-mentioned technical problems. The utility model is provided with a detachable movable terminal insert. After the movable terminal insert is connected to the terminal connector on the diaphragm, the terminal connector on the diaphragm can be accurately positioned when the injection molding machine closes the mold, and the mold can be closed normally, thereby preventing the diaphragm from causing the position of the terminal connector to shift during injection molding and crushing the terminal connector, thereby avoiding functional failure of the electronic and circuit films in the diaphragm of the finished product after injection molding.

[0004] In order to achieve the above object, the utility model is implemented through the following technical solutions:

[0005] An injection mold for facilitating the positioning of a terminal connector in a mold comprises an upper cover, an upper mold plate, a lower mold plate and a lower cover which are arranged in sequence from top to bottom, wherein an upper mold core for mounting a diaphragm is arranged in the upper mold plate, a lower mold core is arranged in the lower mold plate, the upper mold core corresponds to the lower mold core, a side seat and an ejector plate assembly are arranged between the lower mold plate and the lower cover, the side seat is located on both sides of the ejector plate assembly, the ejector plate assembly comprises a movable terminal insert and a plurality of ejectors, a positioning and fixing groove is arranged in the upper end of the movable terminal insert, and the movable terminal insert can position and fix the terminal connector in the diaphragm when the mold is closed.

[0006] Preferably, the ejector plate assembly also includes an upper ejector plate, a lower ejector plate, a plurality of upper guide columns and a plurality of lower guide columns, the upper ejector plate is located below the lower template, the lower ejector plate is connected to the upper ejector plate, the lower ends of the upper guide columns are connected to the upper ejector plate, the upper ends of the upper guide columns pass through the lower template and are movably abutted against the upper template, the lower ends of the lower guide columns are connected to the lower cover, and the upper ends of the lower guide columns movably pass through the lower ejector plate and the upper ejector plate is inserted into the lower template.

[0007] Preferably, the lower end of the ejector pin is connected to the upper ejector plate, and the upper end of the ejector pin is movable through the lower template and the lower mold core to extend outwardly. The lower end of the movable terminal insert is detachably connected to the upper ejector plate, and the upper end of the movable terminal insert is movable through the lower template and the lower mold core to extend outwardly.

[0008] Preferably, the lower template, the side seat and the lower cover enclose a movable cavity, and the upper top plate and the lower top plate can move up and down in the movable cavity.

[0009] Preferably, the upper mold core is provided with a diaphragm installation groove for installing the diaphragm and a plurality of raised limit blocks, the lower mold core is provided with a diaphragm support groove for receiving the diaphragm and a plurality of recessed limit recesses, and the limit blocks are adapted to the limit recesses.

[0010] Preferably, it also includes a gate connection seat and an injection pipe, wherein the gate connection seat is installed on the upper end surface of the upper cover, the injection port of the injection pipe is located on the upper cover, and the lower end of the injection pipe passes through the upper cover, the upper mold plate, the upper mold core and communicates with the diaphragm mounting groove.

[0011] Preferably, it also includes a plurality of upper cooling pipes and a plurality of lower cooling pipes, wherein one end of the upper cooling pipe is installed in the upper mold, and the other end thereof passes through the upper mold and is inserted into the upper mold core, and one end of the lower cooling pipe is installed in the lower mold, and the other end thereof passes through the lower mold and is inserted into the lower mold core.

[0012] Preferably, an upper mold installation groove and a plurality of plug-in columns are provided in the upper mold plate, and the upper mold core is installed in the upper mold installation groove.

[0013] Preferably, a lower mold installation groove and a plurality of plug-in grooves are provided in the lower mold plate, the lower mold core is installed in the lower mold installation groove, and the lower end of the plug-in column can be detachably inserted into the plug-in groove.

[0014] Preferably, the lower cover is further provided with a through hole, and the through hole is located between a plurality of lower guide columns.

[0015] The utility model is an injection mold that facilitates positioning of an in-mold terminal connector, and has the following beneficial effects:

[0016] 1. The utility model is convenient for positioning the in-mold terminal connector by an injection mold. The movable terminal insert is detachably provided. After the movable terminal insert is connected with the terminal connector on the diaphragm, the terminal connector on the diaphragm can be accurately positioned when the injection molding machine closes the mold. The mold can be closed normally to avoid the diaphragm causing the position of the terminal connector to shift during injection molding and crushing the terminal connector, thereby avoiding the functional failure of the in-mold electronic and circuit films of the finished product after injection molding;

[0017] 2. The utility model is convenient for positioning the terminal connector in the mold. By injecting coolant or cold water into the upper cooling pipe and the lower cooling pipe, the upper mold core and the lower mold core can be quickly cooled, and the injection molding material is accelerated to cool and mold, so that the product is more solidified after molding, saving molding time;

[0018] 3. The utility model is convenient for positioning the in-mold terminal connector injection mold, which mainly includes an upper cover, an upper template, an upper mold core, a lower template, a lower mold core, an ejector assembly and a lower cover. It has few components, a simple structure, a reasonable space design, and is easy to promote production. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model in the mold closing state;

[0020] Figure 2 for Figure 1 The schematic diagram of the cross-section structure shown;

[0021] Figure 3 for Figure 1 Schematic diagram of the structural decomposition shown Figure 1 ;

[0022] Figure 4 for Figure 1 Schematic diagram of the structural decomposition shown Figure 2 ;

[0023] Figure 5 It is a schematic diagram of the structure of the utility model before mold closing;

[0024] Figure 6 This is a schematic diagram of the structure of the utility model after mold opening;

[0025] Figure 7 It is a schematic diagram of the injection molded product of the utility model. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with embodiments and drawings.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element; when an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] like Figure 1 , Figure 2 , Figure 3 and Figure 7 As shown, an injection mold for facilitating the positioning of the terminal connector in the mold includes an upper cover 1, an upper mold plate 2, a lower mold plate 3 and a lower cover 4 arranged in sequence from top to bottom, the upper mold plate 2 and the lower mold plate 3 are detachably connected, an upper mold core 5 for mounting a diaphragm is arranged in the upper mold plate 2, a lower mold core 6 is arranged in the lower mold plate 3, the upper mold core 5 corresponds to the lower mold core 6, a side seat 7 and an ejector plate assembly 8 are arranged between the lower mold plate 3 and the lower cover 4, the side seat 7 is located on both sides of the ejector plate assembly 8, the ejector plate assembly 8 includes a movable terminal insert 9 and a plurality of ejectors 10, a positioning and fixing groove 11 is arranged in the upper end of the movable terminal insert 9, and the movable terminal insert 9 can position and fix the terminal connector 12 in the diaphragm when the mold is closed. The movable terminal insert 9 is detachably arranged. The utility model needs to be used in conjunction with an injection molding machine. The terminal connector 12 on the diaphragm is a vertical protrusion. By setting a movable terminal insert 9, the terminal connector 12 is inserted into the positioning and fixing groove 11 for fixed limit during mold closing, thereby avoiding problems such as the terminal connector 12 being pressed downward and shifted in position during mold closing.

[0030] like Figure 3 and Figure 4 As shown, the ejector plate assembly 8 also includes an upper top plate 13, a lower top plate 14, a plurality of upper guide columns 15 and a plurality of lower guide columns 16, the upper top plate 13 is located below the lower template 3, the lower top plate 14 is connected to the upper top plate 13, the lower ends of the upper guide columns 15 are connected to the upper top plate 13, the upper ends of the upper guide columns 15 pass through the lower template 3 and are movably abutted against the upper template 2, the lower ends of the lower guide columns 16 are connected to the lower cover 4, and the upper ends of the lower guide columns 16 movably pass through the lower top plate 14 and the upper top plate 13 and are inserted into the lower template 3.

[0031] like Figure 3 and Figure 4 As shown, the lower end of the ejector pin 10 is connected to the upper top plate 13, and the upper end of the ejector pin 10 is movable through the lower mold plate 3 and the lower mold core 6 to extend outward. The lower end of the movable terminal insert 9 is detachably connected to the upper top plate 13, and the upper end of the movable terminal insert 9 is movable through the lower mold plate 3 and the lower mold core 6 to extend outward.

[0032] like Figure 2 As shown, the lower template 3 , the side seat 7 and the lower cover 4 enclose a movable cavity 17 , and both the upper top plate 13 and the lower top plate 14 can move up and down in the movable cavity 17 .

[0033] like Figure 3 and Figure 4 As shown, the upper mold core 5 is provided with a diaphragm installation groove 18 for installing the diaphragm and a plurality of raised limit blocks 19, and the lower mold core 6 is provided with a diaphragm support groove 20 for receiving the diaphragm and a plurality of recessed limit recesses 21, and the limit blocks 19 are adapted to the limit recesses 21.

[0034] It should be noted that, when the mold is closed, there is a gap between the diaphragm, the diaphragm mounting groove 18 and the diaphragm supporting groove 20 and a molding cavity is formed, which is convenient for injecting the raw material onto the surface of the diaphragm.

[0035] like Figure 3 and Figure 4 As shown, it also includes a gate connection seat 22 and an injection pipe 23. The gate connection seat 22 is installed on the upper end surface of the upper cover 1. The injection port of the injection pipe 23 is located on the upper cover 1. The lower end of the injection pipe 23 passes through the upper cover 1, the upper mold plate 2, the upper mold core 5 and communicates with the diaphragm mounting groove 18.

[0036] like Figures 1 to 4 As shown, it also includes a plurality of upper cooling pipes 24 and a plurality of lower cooling pipes 25, one end of the upper cooling pipe 24 is installed in the upper mold 2, and the other end thereof passes through the upper mold 2 and is inserted into the upper mold core 5, and one end of the lower cooling pipe 25 is installed in the lower mold 3, and the other end thereof passes through the lower mold 3 and is inserted into the lower mold core 6. The upper cooling pipe 24 and the lower cooling pipe 25 are both used for the flow of coolant or cold water. The upper cooling pipe 24 is provided with an upper connection port connected to a cooling device, and the lower cooling pipe 25 is provided with a lower connection port connected to a cooling device.

[0037] It should be noted that after the injection of the injection molding is completed, the external cooling equipment injects coolant or cold water into the upper cooling pipe 24 and the lower cooling pipe 25 through the upper connecting port and the lower connecting port respectively, which can quickly cool the upper mold core 5 and the lower mold core 6, so that the injection molding raw material in the molding cavity is cooled and molded faster, so that the product is more solidified after molding, saving molding time.

[0038] like Figure 4 As shown, an upper mold installation groove 26 and a plurality of plug-in columns 27 are provided in the upper mold plate 2 , and the upper mold core 5 is installed in the upper mold installation groove 26 .

[0039] like Figure 3 and Figure 4 As shown, the lower mold plate 3 is provided with a lower mold installation groove 28 and a plurality of plug holes 29, the lower mold core 6 is installed in the lower mold installation groove 28, and the lower end of the plug post 27 can be detachably inserted into the plug hole 29. The cooperation between the plug post 27 and the plug hole 29 can define and stabilize the connection between the upper mold plate 2 and the lower mold plate 3, improve the stability of the mold closing process, avoid position deviation, and improve accuracy and stability.

[0040] like Figure 4 As shown, the lower cover 4 is further provided with a through hole 30 therein, and the through hole 30 is located between a plurality of lower guide posts 16 .

[0041] It should be noted that after the mold closing and injection molding are 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 column of the injection molding machine passes through the through hole 30 of the lower cover 4 to push the lower top plate 14 upward, so that the lower top plate 14 moves upward, thereby driving the ejector pin 10 and the movable terminal insert 9 to eject the finished injection molded product upward.

[0042] like Figure 3 and Figure 4 As shown, the upper cover 1 is provided with a plurality of first assembly holes, the upper template 2 is provided with a plurality of second assembly holes, the lower cover 4 is provided with a plurality of third assembly holes, and the side seat 7 is provided with a plurality of fourth assembly holes. During installation, the first assembly part 31 is used to fasten 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 to fasten the connection between the lower cover 4 and the side seat 7 through the fourth assembly hole and the third assembly hole, so that assembly and disassembly are convenient. The assembly parts of this embodiment can be common fastening parts such as screws or screws.

[0043] like Figure 3 and Figure 4 As shown, the lower cover 4 is provided with a plurality of fifth assembly holes, the side seat 7 is provided with a plurality of sixth assembly holes, and the lower template 3 is provided with a plurality of seventh assembly holes. During installation, the third assembly part 33 is used to fasten the connection between the lower cover 4, the side seat 7 and the lower template 3 through the seventh assembly hole, the sixth assembly hole and the fifth assembly hole, so that disassembly and assembly are convenient.

[0044] like Figure 3 and Figure 4As shown, the upper top plate 13 is provided with a plurality of eighth assembly holes, and the lower top plate 14 is provided with a plurality of ninth assembly holes. During installation, the fourth assembly part 34 is used to fasten the connection between the upper top plate 13 and the lower top plate 14 through the ninth assembly holes and the eighth assembly holes.

[0045] like Figure 1 and Figure 2 As shown, the corners of the upper template 2, the corners of the lower template 3, and the corners of the side seat 7 are all provided with grooves 35, and the grooves 35 improve the convenience of disassembly; the sides 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 all provided with limiting fastening holes 36, and the limiting fastening holes 36 are used to connect the injection molding machine, thereby further improving the stability of the working process of the utility model.

[0046] like Figures 1 to 7 As shown, the working principle of the utility model is as follows:

[0047] First, place the IML diaphragm embedded with the terminal connector 12 into the diaphragm mounting groove 18 of the upper mold core 5;

[0048] Then, the movable terminal insert 9 is matched and connected with the terminal connector 12 on the diaphragm, that is, the terminal connector 12 is inserted into the positioning and fixing groove 11 for fixed limit, and then the injection molding machine closes the mold. At this time, the movable terminal insert 9 moves downward to drive the upper top plate 13 and the lower top plate 14 to move downward at the same time, until the lower top plate 14 contacts the lower template 3, so that the diaphragm is inserted downward into the diaphragm support groove 20. At the same time, the plug-in column 27 of the upper template 2 is inserted into the plug-in hole 29 of the lower template 3, and the upper end of the upper guide column 15 contacts the upper template 2, and the mold closing is completed;

[0049] Secondly, after the raw material is injected into the injection pipe 23 and reaches the molding cavity, the upper cooling pipe 24 and the lower cooling pipe 25 accelerate the cooling and molding of the raw material in the molding cavity, and the injection filling is completed, so that a layer of raw material is injected and covered on the surface of the diaphragm;

[0050] Finally, the injection molding machine opens the mold, separates the upper mold plate 2 from the lower mold plate 3, and the finished injection molded product is temporarily stored in the diaphragm support groove 20. The ejector column of the injection molding machine passes through the through hole 30 of the lower cover 4 and pushes the lower ejector plate 14 upward, so that the lower ejector plate 14 moves upward, thereby driving the ejector pin 10 and the movable terminal insert 9 to eject the finished injection molded product from the diaphragm support groove 20.

[0051] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any technician familiar with the profession can make some changes, modifications and equivalent changes made by using the technical content disclosed above without departing from the scope of the technical solution of the utility model, which are all equivalent embodiments of the utility model. At the same time, any changes, modifications and evolutions of any equivalent changes made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. An injection mold for facilitating positioning of an in-mold terminal connector, characterized in that: It includes an upper cover, an upper template, a lower template and a lower cover which are arranged in sequence from top to bottom. An upper mold core for mounting 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 located on both sides of the ejector plate assembly, the ejector plate assembly includes a movable terminal insert and a plurality of ejectors, a positioning and fixing groove is arranged in the upper end of the movable terminal insert, and the movable terminal insert can position and fix the terminal connector in the diaphragm when the mold is closed.

2. The injection mold for facilitating positioning of the in-mold terminal connector according to claim 1, characterized in that: The ejector plate assembly also includes an upper ejector plate, a lower ejector plate, a plurality of upper guide columns and a plurality of lower guide columns, the upper ejector plate is located below the lower template, the lower ejector plate is connected to the upper ejector plate, the lower ends of the upper guide columns are connected to the upper ejector plate, the upper ends of the upper guide columns pass through the lower template and are movably abutted against the upper template, the lower ends of the lower guide columns are connected to the lower cover, the upper ends of the lower guide columns movably pass through the lower ejector plate, and the upper ejector plate is inserted into the lower template.

3. The injection mold for facilitating positioning of the in-mold terminal connector according to claim 2, characterized in that: The lower end of the ejector pin is connected to the upper ejector plate, and the upper end of the ejector pin is movable through the lower template and the lower mold core to extend outward. The lower end of the movable terminal insert is detachably connected to the upper ejector plate, and the upper end of the movable terminal insert is movable through the lower template and the lower mold core to extend outward.

4. The injection mold for facilitating positioning of the in-mold terminal connector according to claim 3, characterized in that: The lower template, the side seat and the lower cover enclose a movable cavity, and the upper top plate and the lower top plate can move up and down in the movable cavity.

5. The injection mold for facilitating positioning of the in-mold terminal connector according to claim 1, characterized in that: The upper mold core is provided with a diaphragm installation groove for installing the diaphragm and a plurality of raised limiting blocks, and the lower mold core is provided with a diaphragm support groove for receiving the diaphragm and a plurality of recessed limiting recesses, and the limiting blocks are adapted to the limiting recesses.

6. The injection mold for facilitating positioning of the in-mold terminal connector according to claim 5, characterized in that: It also includes a gate connection seat and an injection pipe, wherein the gate connection seat is installed on the upper end surface of the upper cover, the injection port of the injection pipe is located on the upper cover, and the lower end of the injection pipe passes through the upper cover, the upper mold plate, the upper mold core and communicates with the diaphragm installation groove.

7. The injection mold for facilitating positioning of an in-mold terminal connector according to claim 1, characterized in that: It also includes a plurality of upper cooling pipes and a plurality of lower cooling pipes, wherein one end of the upper cooling pipe is installed in the upper mold, and the other end thereof passes through the upper mold and is inserted into the upper mold core; and one end of the lower cooling pipe is installed in the lower mold, and the other end thereof passes through the lower mold and is inserted into the lower mold core.

8. The injection mold for facilitating positioning of an in-mold terminal connector according to claim 1, characterized in that: An upper die installation groove and a plurality of plug-in columns are arranged in the upper die plate, and the upper die core is installed in the upper die installation groove.

9. The injection mold for facilitating positioning of the in-mold terminal connector according to claim 8, characterized in that: The lower mold plate is provided with a lower mold installation groove and a plurality of plug-in grooves, the lower mold core is installed in the lower mold installation groove, and the lower end of the plug-in column can be detachably inserted into the plug-in groove.

10. The injection mold for facilitating positioning of the in-mold terminal connector according to claim 2, characterized in that: The lower cover is also provided with a through hole, and the through hole is located between a plurality of lower guide columns.

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