CN111546578A

CN111546578A - Injection mold for producing plastic shell of small connector of electronic product

Info

Publication number: CN111546578A
Application number: CN202010588659.9A
Authority: CN
Inventors: 张军; 郭黄生
Original assignee: Shenzhen Guoxiangxin Precision Mould Co ltd
Current assignee: Shenzhen Guoxiangxin Precision Mould Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-08-18

Abstract

The invention discloses an injection mold for producing a plastic shell of a tiny connector of an electronic product, which comprises a panel, a water gap plate, an A plate, a B plate, two square irons, an ejector pin panel, an ejector pin bottom plate and a bottom plate, wherein the panel is provided with a mounting hole which is provided with a plug screw, the panel is connected with the water gap plate through the plug screw, the water gap plate is connected with the A plate, the A plate is connected with the B plate, two sides of the bottom of the B plate are connected with the square irons, the bottom of the square irons are connected with the bottom plate, four corners of the B plate are connected with return pins, the return pins are connected with the ejector pin panel, the ejector pin panel is connected with the ejector pin bottom plate through screws, the A plate is provided with a front mold core groove which is internally provided with a front mold core, the B plate is provided with a rear mold core groove corresponding to the front mold core groove which is connected with a rear mold core, the rear mold core is provided with, the mold insert hole is connected with a KO mold insert, a KO hole is formed in the position, corresponding to the KO mold insert, of the bottom plate, and the KO mold insert is installed in the KO hole.

Description

Injection mold for producing plastic shell of small connector of electronic product

Technical Field

The invention belongs to the technical field of injection molds, and particularly relates to an injection mold for producing a plastic shell of a tiny connector of an electronic product.

Background

The plastic shell of the electronic connector is a plastic inner part for protecting the contact head of the electronic connector, the electronic connector contact head and other parts are mutually inserted and protected by the plastic shell of the connector, and an injection mold is needed for producing the plastic shell of the connector, wherein the injection mold is a molding method with injection and molding. The injection mold method has the advantages of high production speed, high efficiency, automation of operation, multiple designs and colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products and capability of forming products with complex shapes.

Disclosure of Invention

In view of the problems raised by the above background art, the present invention is directed to: aims to provide an injection mold for producing a plastic shell of a small connector of an electronic product.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

an injection mold for producing a plastic shell of a small connector of an electronic product comprises a panel, a water gap plate, an A plate, a B plate, two pieces of square iron, an ejector pin plate, an ejector pin base plate and a base plate, wherein mounting holes are formed in two sides of the panel, plug screws are mounted in the mounting holes, the panel is connected with the water gap plate through the plug screws, the bottom of the water gap plate is connected with the A plate, the A plate is connected with the B plate, two sides of the bottom of the B plate are connected with the square iron, the bottom of the square iron is connected with the base plate, four corners of the B plate are connected with return pins, the return pins are connected with the ejector pin plate, the ejector pin plate is connected with the ejector pin base plate through the screws, a positioning ring is connected to the top of the panel, a groove is formed in the center of the positioning ring of the panel, the groove is connected with a sprue, the lower side of the sprue penetrates, the water inlet crochet hook is characterized in that a water inlet crochet hook is arranged in the crochet hook groove, the side of the water inlet crochet hook penetrates through the panel and the water inlet plate and extends to the outer side of the panel and the water inlet plate, a flow passage is arranged on the top surface of the A plate at the position corresponding to the sprue and the water inlet crochet hook, the flow passage penetrates through the A plate, a front mold core is arranged in the front mold core through the flow passage, the front mold core is internally provided with a front mold water transportation path which is annularly arranged in the front mold core, two groups of water are arranged in the front mold core, each group of water is connected with a front mold water inlet and outlet, the front mold water inlet and outlet are arranged on the side wall of the A plate, the B plate is provided with a rear mold core groove at the position corresponding to the front mold core groove, the rear mold core groove is connected with a rear mold core, the front mold core and the rear mold core are mutually matched to form a cavity, a rear, be equipped with two sets ofly and every group in the back mould fortune water route and all be connected with back mould business turn over water chewing, back mould business turn over water chewing installs the lateral wall at the B board, back mould benevolence is equipped with a plurality of thimble holes, be connected with the thimble in the thimble hole, the top surface and the die cavity of thimble cooperate, install in thimble panel thimble bottom, thimble panel both sides are equipped with spacing post, thimble bottom plate surface both sides are equipped with the mold insert hole, the downthehole KO mold insert that is connected with of mold insert, the bottom plate is equipped with the KO hole in corresponding KO mold insert department, the KO mold insert is installed downthehole at the KO, bottom plate surface is connected with a plurality of heads that prop, prop the head top surface and run through thimble bottom.

Further limiting, the diameters of the front die water conveying channel and the rear die water conveying channel are 8mm, and the front die water inlet and outlet nozzle and the rear die water inlet and outlet nozzle are PT1/4 water nozzle interfaces. The structural design makes the connection with the external water nozzle interface more convenient.

Further, the A plate is provided with a back pin cushion block at the position corresponding to the back pin. Such structural design can protect the back stitch when reseing to the back stitch cushion through the back stitch cushion.

Further inject, mouth of a river board, A board, B board and two square irons all are equipped with sled die cavity, sled die cavity is triangle-shaped setting. Such structural design is better convenient when the form removal.

Further inject, the four sides of A board and B board all are connected with smart locating piece, smart locating piece includes lug and concave block, the lug is installed on A board, the concave block is installed on B board. The structural design enables the positioning of the die to be better and more accurate.

Further, a lock module is connected to one side of the panel and the B plate. Such structural design prevents that front mould and back mould separation from dropping when hanging the mould.

Further defined, the panel and the bottom plate are connected with a suspended mould bridge. The structural design facilitates the lifting of the die.

Further limiting, the square iron is provided with a mould information nameplate groove, and the square iron on the left side is provided with an UP arrow icon. The structural design is convenient for operators to install.

Further limit, the square iron is provided with two water route data plate grooves. Such structural design is convenient for understand the water route of mould.

Further inject, the panel is connected with thermal-insulated panel, the bottom plate is connected with thermal-insulated bottom plate, thermal-insulated panel and thermal-insulated bottom plate are epoxy board preparation and form. The structural design has the effect of heat insulation during injection molding.

The invention has the following advantages:

1. according to the invention, by arranging the two KO inserts, when the product is ejected, the two KO inserts are simultaneously pushed by the injection molding machine, so that the KO inserts push the thimble panel 6, the thimble panel 6 pushes the thimble 20 to move, and the product embedded in the rear mold core 17 is ejected by the thimble 20, thereby achieving the effect of ejection balance;

2. according to the invention, by arranging the front mold water conveying path and the rear mold water conveying path, after the mold is installed on an injection molding machine, water is conveyed, so that the front mold water conveying path 15 and the rear mold water conveying path 18 in the front mold and the rear mold are filled with cooling water to flow, and when the mold is used for injection molding, the heat of the mold during injection molding and the heat of the glue in the cavity are taken out through the cooling water flowing in the mold, so that the effect of rapid cooling is achieved;

3. according to the invention, the water gap crochet needle is arranged, the panel 1 pulls the plug screw 102 when moving, the plug screw 102 pulls the water gap plate 2, so that the panel 1 is separated from the water gap plate 2 and leaks out of the residual water gap in the sprue bushing 11, and the glue material remained in the A plate 3 is hooked out when the panel 1 moves through the water gap crochet needle 12, so that a worker can take the runner water gap more conveniently and quickly.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic structural diagram of an injection mold for producing a plastic shell of a small connector of an electronic product according to an embodiment of the invention;

FIG. 2 is a schematic structural diagram of a mold hanging bridge of an injection mold for producing a plastic shell of a small connector of an electronic product according to an embodiment of the invention;

FIG. 3 is a schematic top view of an injection mold for producing a plastic housing of a small connector of an electronic product according to an embodiment of the invention;

FIG. 4 is a schematic sectional view A-A of an injection mold for producing a plastic shell of a small connector of an electronic product according to an embodiment of the invention;

FIG. 5 is a schematic structural view of a section B-B of an injection mold for producing a plastic shell of a small connector of an electronic product according to an embodiment of the invention;

FIG. 6 is a schematic view of a C-C section structure of an injection mold for producing a plastic shell of a small connector of an electronic product according to an embodiment of the invention;

FIG. 7 is a schematic diagram of a D-D cross-sectional structure of an injection mold for producing a plastic shell of a small connector of an electronic product according to an embodiment of the invention;

the main element symbols are as follows:

the mold comprises a panel 1, a mounting hole 101, a filling screw 102, a water gap plate 2, a plate A3, a plate B4, a return pin 401, square iron 5, an ejector pin panel 6, an ejector pin bottom plate 7, a bottom plate 8, a positioning ring 9, a groove 10, a sprue 11, a water gap hook pin 12, a flow channel 13, a front mold core 14, a front mold water conveying path 15, a front mold water inlet/outlet nozzle 16, a rear mold core 17, a rear mold water conveying path 18, a rear mold water inlet/outlet nozzle 19, an ejector pin 20, a limiting column 21, a supporting head 22, a KO insert 23, a return pin cushion block 24, a prying mold groove 25, a fine positioning block 26, a convex block 261, a concave block 262, a locking module 27, a suspension mold bridge 28, a mold information nameplate groove 29, a UP arrow mark 30, a water path nameplate groove 31, a heat insulation panel 32 and.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

As shown in figures 1-7, the invention relates to an injection mold for producing a plastic shell of a small connector of an electronic product, which comprises a panel 1, a water gap plate 2, an A plate 3, a B plate 4, two square irons 5, an ejector pin panel 6, an ejector pin bottom plate 7 and a bottom plate 8, wherein two sides of the panel 1 are provided with mounting holes 101, plug screws 102 are arranged in the mounting holes 101, the panel 1 is connected with the water gap plate 2 through the plug screws 102, the bottom of the water gap plate 2 is connected with the A plate 3, the A plate 3 is connected with the B plate 4, two sides of the bottom of the B plate 4 are connected with the square irons 5, the bottom of the square irons 5 is connected with the bottom plate 8, four corners of the B plate 4 are connected with return pins 401, the return pins 401 are connected with the ejector pin panel 6, the ejector pin panel 6 is connected with the ejector pin bottom plate 7 through screws, the top of the panel 1 is connected with a positioning ring 9, the lower side of a sprue 11 penetrates through a panel 1 and a water gap plate 2, the panel 1 is provided with a crochet hook groove, a water gap crochet hook 12 is installed in the crochet hook groove, the side of the water gap crochet hook 12 penetrates through the panel 1 and the water gap plate 2 and extends to the outer side of the panel, the top surface of an A plate 3 is provided with a flow passage 13 at the position corresponding to the sprue 11 and the water gap crochet hook 12, the flow passage 13 penetrates through the A plate 3, the A plate 3 is provided with a front mould core groove, a front mould core 14 is installed in the front mould core groove, the flow passage 13 penetrates through the front mould core 14, a front mould water conveying path 15 is arranged in the front mould core 14 in an annular manner, two groups of front mould water conveying paths 15 are arranged in the front mould core, each group is connected with a front mould water inlet and outlet 16, the front mould water inlet and outlet 16 is installed on the side wall of the A plate 3, the B plate 4 is provided with a rear mould core groove corresponding to the front mould core groove, the rear mould core, the rear mould fortune water route 18 is the annular and arranges in back mould benevolence 17, be equipped with two sets ofly in the rear mould fortune water route 18 and every group all is connected with rear mould business turn over water nozzle 19, rear mould business turn over water nozzle 19 is installed at the lateral wall of B board 4, rear mould benevolence 17 is equipped with a plurality of thimble holes, be connected with thimble 20 in the thimble hole, the top surface and the die cavity of thimble 20 cooperate, install in thimble panel 6 thimble 20 bottom, 6 both sides of thimble panel are equipped with

spacing post

21, 7 surperficial both sides of thimble bottom plate are equipped with the mold insert hole, the downthehole KO mold insert 23 that is connected with of mold insert, bottom plate 8 is equipped with the KO hole in the department that corresponds KO mold insert 23, KO mold insert 23 is installed downthehole, 8 surfacing of bottom plate has a plurality of.

When the injection molding machine is used, a mold is arranged on the injection molding machine, when the injection molding machine is opened, glue enters from the sprue bushing 11, finally flows into a cavity through the flow channel 13 to be filled with the glue, is cooled, and then enters into the front mold core 14 and the rear mold core 17 through the cooling water communicated with the outside and under the action of the press machine from the front mold water inlet/outlet 16 and the rear mold water inlet/outlet 19, the cores are cooled through the front mold water transportation path 15 and the rear mold water transportation path 18, meanwhile, the heat of the glue in the cavity is taken away, the cooling effect is accelerated, after the cooling molding is completed, the panel 1 is pulled open through the injection molding machine by controlling the panel 1, so that the panel 1 pulls the plug screw 102 when moving, the plug screw 102 pulls the water port plate 2, the panel 1 is separated from the water port plate 2, the residual water port in the sprue bushing 11 leaks, the glue in the A plate 3 is hooked out through the water port hook needle 12, when the panel 1 moves, the A plate 2 pulls the A plate 3 to be separated from the B, meanwhile, the water gap plate 2 is separated from the plate A3, when the panel 1 drives the water gap plate 2 and the plate A3 to move to a proper distance, the injection molding machine is controlled to push the KO inserts 23 on the upper side and the lower side, the KO inserts 23 push the ejector pin panel 6, the ejector pin panel 6 pushes the ejector pins 20 and the limiting columns 21 to move, a molded product embedded in the rear mold core 17 is ejected out through the ejector pins 20, the ejected distance is limited through the limiting columns 21, and a worker takes down a residual water gap hooked on the water gap hook needle 12 after ejection.

Preferably, the diameters of the front die water conveying path 15 and the rear die water conveying path 18 are 8mm, and the front die water inlet and outlet nozzles 16 and the rear die water inlet and outlet nozzles 19 are PT1/4 water nozzle interfaces. The structural design makes the connection with the external water nozzle interface more convenient. In fact, other water paths and nozzle configurations may be considered as appropriate.

The a plate 3 is preferably provided with a return pin pad 24 at a position corresponding to the return pin 401. Due to the structural design, the return pin 401 can be protected when the return pin cushion block 24 resets the return pin 401. In fact, other reset structure shapes may be considered as the case may be.

The preferred water gap plate 2, the A plate 3, the B plate 4 and the two square irons 5 are all provided with a prying die groove 25, and the prying die groove 25 is triangular. Such structural design is better convenient when the form removal. In fact, other configurations of the prying cavity 25 are contemplated as the case may be.

Preferably, the fine positioning blocks 26 are connected to four sides of the a plate 3 and the B plate 4, each fine positioning block 26 comprises a convex block 261 and a concave block 262, the convex block 261 is mounted on the a plate 3, and the concave block 262 is mounted on the B plate 4. The structural design enables the positioning of the die to be better and more accurate. In fact, other configurations of the fine positioning block 26 may be considered as appropriate.

Preferably, a lock module 27 is attached to one side of the panel 1 and the B-plate 4. Such structural design prevents that front mould and back mould separation from dropping when hanging the mould. In fact, other configurations of the lock module 27 are contemplated as appropriate.

Preferably, a formwork bridge 28 is connected to the deck 1 and the base plate 8. The structural design facilitates the lifting of the die. In fact, other configurations of the form-hanging bridge 28 are contemplated as the case may be.

Preferably, the square iron 5 is provided with a mold information nameplate slot 29, and the left square iron 5 is provided with an UP arrow icon 30. The structural design is convenient for operators to install. In fact, other shapes of the marker structure may be considered as the case may be.

Preferably, the square iron 5 is provided with two waterway nameplate grooves 31. Such structural design is convenient for understand the water route of mould. In fact, other water path identification structure shapes can be considered according to specific situations.

Preferably, the panel 1 is connected with an insulating panel 32, the bottom plate 8 is connected with an insulating bottom plate 33, and the insulating panel 32 and the insulating bottom plate 33 are both made of 3204 epoxy plates. The structural design has the effect of heat insulation during injection molding. In fact, other configurations of the insulation panels 32 and the insulation base 33 may be considered as appropriate.

The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides an injection mold for producing tiny connector of electronic product moulds shell which characterized in that: the novel water gap plate comprises a panel (1), a water gap plate (2), an A plate (3), a B plate (4), two square irons (5), an ejector pin plate (6), an ejector pin bottom plate (7) and a bottom plate (8), wherein mounting holes (101) are formed in two sides of the panel (1), a plug screw (102) is installed in each mounting hole (101), the panel (1) is connected with the water gap plate (2) through the plug screw (102), the bottom of the water gap plate (2) is connected with the A plate (3), the A plate (3) is connected with the B plate (4), two sides of the bottom of the B plate (4) are connected with the square irons (5), the bottom of the square irons (5) is connected with the bottom plate (8), return pins (401) are connected with four corners of the B plate (4), the return pins (401) are connected with the ejector pin plate (6), and the ejector pin plate (6) is connected with the ejector pin bottom plate (7) through screws, the top of the panel (1) is connected with a positioning ring (9), the panel (1) is provided with a groove (10) at the center of the positioning ring (9), the groove (10) is connected with a sprue (11), the lower side of the sprue (11) penetrates through the panel (1) and the nozzle plate (2), the panel (1) is provided with a crochet hook groove, a nozzle crochet hook (12) is installed in the crochet hook groove, the side of the nozzle crochet hook (12) penetrates through the panel (1) and the nozzle plate (2) and extends to the outer side of the panel, the top surface of the A plate (3) is provided with a flow channel (13) at the position corresponding to the sprue (11) and the nozzle crochet hook (12), the flow channel (13) penetrates through the A plate (3), the A plate (3) is provided with a front mold cavity groove, a front mold cavity (14) is installed in the front mold cavity, the flow channel (13) penetrates through the front mold cavity (14), and a front mold cavity (15, the front mould water conveying path (15) is annularly arranged in a front mould core (14), two groups of front mould water conveying paths (15) are arranged in the front mould water conveying paths, each group of front mould water conveying paths is connected with a front mould water inlet and outlet nozzle (16), the front mould water inlet and outlet nozzles (16) are arranged on the side wall of an A plate (3), a B plate (4) is provided with a rear mould core groove at the position corresponding to the front mould core groove, the rear mould core groove is connected with a rear mould core (17), the front mould core (14) and the rear mould core (17) are mutually matched to form a mould cavity, a rear mould water conveying path (18) is arranged in the rear mould core (17), the rear mould water conveying paths (18) are annularly arranged in the rear mould core (17), two groups of rear mould water conveying paths (18) are arranged in the rear mould water conveying paths (18), each group of rear mould water inlet and outlet nozzles (19) are connected, the rear mould water inlet and outlet nozzles (19) are arranged on the side, the top surface of the ejector pin (20) is matched with the cavity, the bottom of the ejector pin (20) is installed in the ejector pin panel (6), limiting columns (21) are arranged on two sides of the ejector pin panel (6), insert holes are formed in two sides of the surface of the ejector pin base plate (7), KO inserts (23) are connected in the insert holes, KO holes are formed in the position, corresponding to the KO inserts (23), of the base plate (8), the KO inserts (23) are installed in the KO holes, a plurality of supporting heads (22) are connected to the surface of the base plate (8), the top surfaces of the supporting heads (22) penetrate through the ejector pin base plate (7) and the ejector pin panel (6) and are attached to the bottom surface of the B plate (,

an injection mold for producing a plastic housing of a small connector of an electronic product according to claim 1, characterized in that: the diameters of the front die water conveying channel (15) and the rear die water conveying channel (18) are 8mm, and the front die water inlet and outlet nozzle (16) and the rear die water inlet and outlet nozzle (19) are PT1/4 water nozzle connectors.

2. An injection mold for producing a plastic housing of a small connector of an electronic product according to claim 2, characterized in that: and a back needle cushion block (24) is arranged at the position of the A plate (3) corresponding to the back needle (401).

3. An injection mold for producing a plastic housing of a small connector of an electronic product according to claim 3, characterized in that: the water gap plate (2), the A plate (3), the B plate (4) and the two square irons (5) are all provided with prying die grooves (25), and the prying die grooves (25) are triangular.

4. An injection mold for producing a plastic housing of a small connector of an electronic product according to claim 4, characterized in that: the four sides of A board (3) and B board (4) all are connected with smart locating piece (26), smart locating piece (26) are including lug (261) and concave block (262), lug (261) are installed on A board (3), concave block (262) are installed on B board (4).

5. An injection mold for producing a plastic housing of a small connector of an electronic product according to claim 5, characterized in that: and one sides of the panel (1) and the B plate (4) are connected with a lock module (27).

6. An injection mold for producing a plastic housing of a small connector of an electronic product according to claim 6, characterized in that: the panel (1) and the bottom plate (8) are connected with a mould hanging bridge (28).

7. An injection mold for producing a plastic housing of a small connector of an electronic product according to claim 7, characterized in that: the square iron (5) on the left side is provided with a mould information nameplate groove (29), and the square iron (5) on the left side is provided with a UP arrow icon (30).

8. An injection mold for producing a plastic housing of a small connector of an electronic product according to claim 8, characterized in that: the square iron (5) on the right side is provided with two waterway nameplate grooves (31).

9. An injection mold for producing a plastic housing of a small connector of an electronic product according to claim 9, characterized in that: the panel (1) is connected with thermal-insulated panel (32), bottom plate (8) are connected with thermal-insulated bottom plate (33), thermal-insulated panel (32) and thermal-insulated bottom plate (33) are the preparation of 3204 epoxy board and form.