CN219727013U

CN219727013U - Injection mold improves structure

Info

Publication number: CN219727013U
Application number: CN202320318742.3U
Authority: CN
Inventors: 孙福平
Original assignee: Suzhou Ruide Intelligent Precision Technology Co ltd
Current assignee: Suzhou Ruide Intelligent Precision Technology Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-09-22
Anticipated expiration: 2033-02-27

Abstract

The utility model provides an improved structure of an injection mold, which comprises a female mold core, wherein the lower end surface of the female mold core is upwards recessed to form an installation groove, the upper end surface of the inner part of the installation groove is upwards recessed to form two through grooves, the two through grooves are arranged in the female mold core in a communicating way, a rectangular column is arranged in the installation groove, the rectangular column extends out of the lower side of the installation groove, two bosses are symmetrically arranged at the upper end of the rectangular column, the bosses and the rectangular column are in an integrated forming structure, the bosses are arranged in the through grooves and extend to the upper end surface of the inner part of the through groove, the middle position of the upper end surface of the boss is downwards recessed to form a slot for inserting a PIN and vertically arranged, the slot penetrates through the bosses and the rectangular column, the upper end surface of the female mold core is downwards recessed to form two guide grooves which are communicated with the upper end of the through groove, the guide grooves are communicated with the slot and are larger than the size of the slot, the design effectively reduces the probability of the pulling of the PIN in the inserting or pulling out process, improves the yield of the product, reduces the frequency of repairing the female mold core, and reduces the production cost.

Description

Injection mold improves structure

Technical Field

The utility model relates to an improved structure of an injection mold, and belongs to the field of power plug production.

Background

The power plug refers to equipment for connecting devices such as electrical appliances and the like to a power supply, the power plug is generally produced by adopting an injection mold, and some power plugs are formed by PIN and plastic products, during production, the PIN is firstly inserted into a female mold of the injection mold, then the injection mold is closed, and then injection molding is carried out, so that the PIN is embedded into the plastic products.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide an improved structure of an injection mold so as to solve the problems in the prior art, effectively reduce the probability of pulling the PIN in the process of inserting or pulling the PIN out, improve the yield of products, reduce the frequency of repairing female mold kernels and reduce the production cost.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides an injection mold improves structure, includes the master model benevolence, the terminal surface upwards sunken formation mounting groove under the master model benevolence, the inside top of mounting groove upwards sunken formation two logical grooves and two logical grooves are located the master model benevolence, installation rectangle post and rectangle post extend the mounting groove downside in the mounting groove, two bosss of rectangle post upper end symmetry installation and boss are integrated into one piece structure with the rectangle post, the boss sets up in logical inslot and extends to logical inslot portion top, boss up end intermediate position undercut forms and is used for installing PIN and is vertical arrangement's slot, and the slot runs through boss and rectangle post, two guide slots of recess downwards and guide slot intercommunication are in logical groove upper end in master model benevolence up end, the guide slot is arranged with the slot intercommunication and the guide slot size is greater than the slot size.

Further, the terminal surface undercut forms rectangular channel and is located between two slots under the rectangle post, the gasbag is installed on rectangular channel inside top, both ends are set up fly leaf and fly leaf sliding connection in rectangular channel about the gasbag, fly leaf deviates from a plurality of transverse arrangement's that gasbag one end equidistance set up and be circular arrangement round bar, and round bar and rectangle post sliding connection.

Further, the movable plate is arranged at the lower end of the air bag and is slidably connected in the rectangular groove, the movable plate is arranged at the lower side of the movable plate, the magnetic block is fixed at the lower end of the movable plate and is movably arranged in the rectangular groove, the electromagnet is arranged in the rectangular groove, and the electromagnet is arranged at the lower side of the magnetic block and is mutually exclusive with the electromagnet.

Further, the first protection piece is arranged at the upper end of the electromagnet and is positioned at the lower end of the magnetic block, the upper end face of the first protection piece is recessed downwards to form a through groove, and the through groove penetrates through the first protection piece.

Further, the second magnetic plate is inlaid in the middle position of one end of the movable plate, deviating from the air bag, and is located on the inner side of the round rod, the first magnetic plate is installed on the second magnetic plate towards the outer side, the first magnetic plate and the second magnetic plate are arranged in a mutually exclusive mode, the two first magnetic plates are inlaid on the left wall and the right wall of the rectangular groove respectively, and the first magnetic plates are located on the inner side of the round rod.

Further, the round bar is away from fly leaf one end installation second protection piece, second protection piece is kept away from round bar one end and is extended to the slot towards on the inner wall.

The utility model has the beneficial effects that:

1. the lug boss is arranged on the rectangular column, the slot penetrates through the lug boss and the rectangular column, and the guide groove with the size larger than that of the slot and communicated with the slot is formed in the female die core, so that the PIN is not contacted with the female die core, the probability of pulling out the PIN in the process of inserting or pulling out the PIN is effectively reduced, the yield of products is improved, the frequency of repairing the female die core is reduced, and the production cost is reduced.

2. The bolt penetrates through the second hole, the first hole and the transverse portion below the template plate and is in threaded connection with the nut, so that the rectangular column is fastened and installed, and when the bolt cannot be detached normally, the rod portion of the bolt located between the upper plate and the lower plate can be cut off, so that the rectangular column is detached conveniently.

3. Under the repulsive force action between the electromagnet and the magnetic block, the magnetic block and the movable plate move upwards, so that the air bag is extruded, the movable plate and the round rod move outwards, the PIN inserted in the slot is extruded, the purpose of clamping the PIN is achieved, and the stability is good.

4. Under the repulsive force action between the first magnetic plate and the second magnetic plate, the movable plate and the round rod can move inwards to return to the original position, the clamping of the PIN is relieved, and meanwhile, the movable plate moves inwards to squeeze the air bag, so that the movable plate and the magnetic block move downwards to return to the original position, and the follow-up operation is facilitated.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of an improved structure of an injection mold according to the present utility model;

FIG. 2 is a perspective view of a rectangular column in an improved injection mold structure according to the present utility model;

FIG. 3 is a cross-sectional view of a rectangular post in an improved injection mold structure of the present utility model;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is an assembly view of a movable plate, a round bar and a second magnetic plate in an improved structure of an injection mold according to the present utility model;

fig. 6 is a schematic view of a tooling plate in an improved structure of an injection mold according to the present utility model.

In the figure: 1-rectangular column, 2-boss, 3-slot, 4-master mold core, 5-guide slot, 11-upper plate, 12-lower plate, 13-first hole, 14-second hole, 15-rectangular slot, 16-electromagnet, 17-magnetic block, 18-movable plate, 19-air bag, 41-tool plate, 191-movable plate, 192-round bar, 193-first magnetic plate, 194-second magnetic plate.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1, 2, 3 and 6, the present utility model provides a technical solution: the utility model provides an injection mold improves structure, including master cavity 4, the up-concave mounting groove that forms in master cavity 4 lower terminal surface, provide the installation space for rectangle post 1 through the mounting groove, and install the rectangle post 1 that extends the mounting groove downside into the mounting groove, utilize rectangle post 1 to provide the installation carrier for parts such as hypoplastron 12, fix the top transverse portion of the worker board 41 of suit in the outside of rectangle post 1 at master cavity 4 lower extreme again, install the upper plate 11 that laminates at worker board 41 lower extreme at rectangle post 1 outer end, and will be located upper plate 11 downside and the hypoplastron 12 that the lower terminal surface is in the same place with rectangle post 1 lower terminal surface coincidence sets up at rectangle post 1 outer end, upwards cave in the lower terminal surface of hypoplastron 12 and form a plurality of first holes 13 that pass through hypoplastron 12, the upper plate 11 and be located the second hole 14 of first hole 13 top is passed through to the upper plate 11 upper end upwards.

Specifically, during the equipment, firstly insert rectangular column 1 to the ampere-inserting groove 3 to make upper plate 11 laminating to the worker board 41 lower extreme, then run through second hole 14, first hole 13 and worker board 41 below horizontal portion and with nut threaded connection, realize the fastening installation of rectangular column 1, when the unable normal dismantlement of bolt, can carry out the cutting off processing to the pole portion of the bolt that is located between upper plate 11 and the lower plate 12, reach the convenient purpose of dismantling of rectangular column 1.

As shown in fig. 1, fig. 2 and fig. 3, the top end inside the installation groove is upwards recessed to form two through grooves in the female die core 4, an installation space is provided for the boss 2 through the through grooves, two bosses 2 which are in an integrated forming structure with the rectangular column 1 and are positioned in the through grooves and attached to the top end inside the through grooves are symmetrically arranged at the upper end of the rectangular column 1, the design of the integrated forming structure is convenient for production, PIN inserting operation is increased through the boss 2, a slot 3 which penetrates through the boss 2 and the rectangular column 1 and is vertically arranged is downwards recessed in the middle position of the upper end face of the boss 2, PINs are inserted through the slot 3, two guide grooves 5 which are downwards recessed in the upper end of the female die core 4 and are communicated with the upper end of the through grooves and are larger than the size of the slot 3, and the PINs are led into the slot 3 through the guide grooves 5.

Specifically, firstly, the PIN penetrates through the guide groove 5 and is inserted into the slot 3, so that the PIN is installed, then injection molding operation is carried out, when the PIN is extracted after injection molding, the size of the guide groove 5 is larger than that of the slot 3, so that the PIN is not contacted with the female die core 4, the probability of pulling the PIN in the process of inserting or extracting the PIN is effectively reduced, the yield of products is improved, the frequency of repairing the female die core 4 is reduced, and the production cost is reduced.

As shown in fig. 3, fig. 4 and fig. 5, the lower end surface of the rectangular column 1 is recessed upwards to form a rectangular slot 15 between two slots 3, an air bag 19 is mounted at the top end inside the rectangular slot 15, a movable plate 191 is moved by the air bag 19, two movable plates 191 with rectangular structures and in sliding connection in the rectangular slot 15 are respectively arranged at the left end and the right end of the air bag 19, the movable plates 191 are utilized to provide mounting carriers for round rods 192 and other parts, a plurality of round rods 192 which are arranged in a circular shape and are in sliding connection with the rectangular column 1 are equidistantly arranged at one end of the movable plates 191, the round rods 192 are matched for use, PINs inserted in the slots 3 are clamped, stability is good, one end of each round rod 192 extending to the inner wall facing away from the slot 3 is mounted on one end of each round rod 192, the PINs can be protected by the second protection piece, and the second protection piece can adopt a rubber column.

Specifically, after the PIN is inserted into the slot 3, the air bag 19 is extruded first, so that the air bag 19 is expanded outwards to deform, the two movable plates 191 are moved outwards, the round bar 192 is moved outwards, the PIN inserted into the slot 3 is extruded, the PIN is clamped, and the stability is good.

As shown in fig. 3, a moving plate 18 which is slidably connected in a rectangular groove 15 and is positioned below a movable plate 191 and is in a rectangular structure is arranged at the lower end of an air bag 19, the air bag 19 is extruded by the moving plate 18, a magnetic block 17 positioned in the rectangular groove 15 is fixed at the lower end of the moving plate 18, an electromagnet 16 which is positioned at the lower side of the magnetic block 17 and is mutually exclusive to the magnetic block 17 is arranged in the rectangular groove 15, a first protecting piece positioned at the lower end of the magnetic block 17 is arranged at the upper end of the electromagnet 16, the first protecting piece is utilized to prevent the impact between the magnetic block 17 and the electromagnet 16, a through groove penetrating through the first protecting piece is formed by downwards sinking the upper end face of the first protecting piece, the production amount of the first protecting piece is reduced by the through groove, on the other hand, a repulsive force is not influenced between the magnetic block 17 and the electromagnet 16, a second magnetic plate 194 positioned at the inner side of a round rod is inlaid in the middle position of one end of the movable plate 191, the second magnetic plate 194 is arranged at the inner side of the movable plate 191, two first magnetic plates 193 positioned at the outer side of the second magnetic plate 194 and the inner side of the round rod 192 and mutually exclusive to the second magnetic plate 194 are mutually exclusive to the first rectangular groove 193 and the inner side of the first magnetic plate 193 and the second magnetic plate 193 are respectively arranged at the inner side of the two right sides of the movable plate 193.

Specifically, the circuit of the electromagnet 16 is firstly turned on, so that the electromagnet 16 generates a magnetic field, the electromagnet 16 and the magnetic block 17 are mutually repulsed, so that a repulsive force is generated between the electromagnet 16 and the magnetic block 17, the magnetic block 17 moves upwards under the action of the repulsive force, and then the moving plate 18 moves upwards along the rectangular groove 15, so that the air bag 19 is extruded, and then the two movable plates 191 move outwards, so that the round rod 192 moves outwards, the PIN inserted in the slot 3 can be clamped, in addition, the movable plates 191 move outwards, so that the second magnetic plate 194 moves outwards, and the first magnetic plate 193 and the second magnetic plate 194 are mutually repulsed, so that a gradually larger repulsive force is generated between the first magnetic plate 193 and the second magnetic plate 194, after the injection molding is completed, the circuit of the electromagnet 16 is firstly turned off, so that the electromagnet 16 and the magnetic block 17 disappear, and simultaneously under the action of the repulsive force between the first magnetic plate 193 and the second magnetic plate 194, the second magnetic plate 194 moves inwards, so that the movable plate 191 moves inwards, and then the movable plate 191 moves inwards, so that the round rod 192 moves inwards, and the PIN is pressed back to the movable plate 191 moves inwards, and the round rod 19 is removed, so that the PIN is moved inwards, and the round rod 191 is moved backwards, and the position is relieved.

The present disclosure describes embodiments in terms of which each embodiment does not comprise a separate embodiment, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the embodiments in the examples may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

Claims

1. An injection mold improves structure, its characterized in that: including master mould benevolence (4), terminal surface undercut forms the mounting groove under master mould benevolence (4), the inside top of mounting groove upwards is sunken to form two logical grooves and two logical grooves are located master mould benevolence (4), install rectangular post (1) and rectangular post (1) in the mounting groove and extend the mounting groove downside, two boss (2) of rectangular post (1) upper end symmetry installation and boss (2) are integrated into one piece structure with rectangular post (1), boss (2) set up in logical inslot and extend to logical inslot top, boss (2) up end intermediate position undercut forms and is used for installing PIN and is slot (3) of vertical arrangement, and slot (3) run through boss (2) and rectangular post (1), two guide slot (5) of recess downwards in master mould benevolence (4) up end and guide slot (5) intercommunication are in logical groove upper end, guide slot (5) and slot (3) intercommunication are arranged and guide slot (5) size is greater than slot (3) size.

2. The injection mold improving structure according to claim 1, wherein: the utility model discloses a rectangular column (1) lower terminal surface undercut forms rectangular channel (15) and rectangular channel (15) are located between two slot (3), gasbag (19) are installed on rectangular channel (15) inside top, both ends are set up fly leaf (191) and fly leaf (191) sliding connection in rectangular channel (15) about gasbag (19), fly leaf (191) deviate from a plurality of transverse arrangement's that gasbag (19) one end equidistance set up round bar (192) that are circular arrangement, and round bar (192) and rectangular column (1) sliding connection.

3. The injection mold improving structure according to claim 2, characterized in that: the air bag is characterized in that a movable plate (18) is arranged at the lower end of the air bag (19) and is slidably connected in the rectangular groove (15), the movable plate (18) is arranged at the lower side of the movable plate (191), the magnetic block (17) is fixed at the lower end of the movable plate (18) and movably arranged in the rectangular groove (15), an electromagnet (16) is arranged in the rectangular groove (15), and the electromagnet (16) is arranged at the lower side of the magnetic block (17) and the electromagnet (16) are mutually exclusive.

4. An injection mold improving structure according to claim 3, wherein: the first protection piece is arranged at the upper end of the electromagnet (16) and is positioned at the lower end of the magnetic block (17), the upper end surface of the first protection piece is recessed downwards to form a through groove, and the through groove penetrates through the first protection piece.

5. The injection mold improving structure according to claim 2, characterized in that: the movable plate (191) is away from gasbag (19) one end intermediate position and inlays second magnetic plate (194) and second magnetic plate (194) are located round bar (192) inboard, second magnetic plate (194) are towards outside installation first magnetic plate (193) and second magnetic plate (194) mutually repel and arrange, two first magnetic plate (193) inlay respectively on the inside left and right sides wall of rectangular tank (15), and first magnetic plate (193) are located round bar (192) inboard.

6. The injection mold improving structure according to claim 2, characterized in that: the round bar (192) deviating from fly leaf (191) one end installation second protection piece, second protection piece deviates from round bar (192) one end and extends to slot (3) towards on the inner wall.