CN211591107U

CN211591107U - Injection molding and cutting integrated forming mold in injection mold

Info

Publication number: CN211591107U
Application number: CN201922121768.5U
Authority: CN
Inventors: 何尔才
Original assignee: Taizhou Rongsu Electronic Technology Co ltd
Current assignee: Taizhou Rongsu Electronic Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-09-29
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses an mould plastics in injection mould and cut off integration forming die belongs to car and communication medical treatment type mosaic injection mold technical field, including lower mould and last mould, the inboard of lower mould is provided with first fixed plate, the fixed edge of a knife that is provided with in upper end of first fixed plate, and the upper end of the edge of a knife is provided with even material metalwork, and the upper portion inboard of going up the mould is provided with the second fixed plate, and the top swing joint of going up the mould has elastic formwork, and elastic formwork's upper portion is provided with the third fixed plate, and the bottom of third fixed plate is provided with the second fixed block, and the bottom of second fixed block is. The utility model discloses, through increasing the punching pin in injection mold, reach and cut off and the purpose of the integrated into one piece of moulding plastics, the bad of material metalwork is even expected in the turnover that has effectively solved between the process caused, improves the product percent of pass of injection molding, when not prolonging injection molding cycle, accomplishes the process of cutting off of material metalwork even simultaneously in injection mold, has practiced thrift the manufacturing cost of product.

Description

Injection molding and cutting integrated forming mold in injection mold

Technical Field

The utility model relates to an injection moulding mould especially relates to an mould plastics in injection mold and add and cut off integration forming die, belongs to car and the inserted injection mold technical field of communication medical treatment type.

Background

An injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity. The injection molding machine has a working principle similar to that of an injection syringe for injection, and is a technological process of injecting plastic in a plasticized molten state into a closed mold cavity by means of the thrust of a screw rod, and obtaining a product after solidification and shaping.

The existing injection molds cut the continuous material metal piece before injection molding and respectively put the continuous material metal piece into the molds, so that the injection molding period is long, the production of the continuous material metal piece is poor, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing an mould plastics in injection mold and cut off integration forming die, through increase the punching pin in injection mold, utilize injection mold matched pressure, break and expect the metalwork even, reach and cut off and mould plastics integration forming's purpose, the bad of the even material metalwork that the turnover between the process caused has effectively been solved, the injection molding that causes is scrapped, improve the product percent of pass of injection molding, when not prolonging injection molding cycle, accomplish the process of cutting off of even material metalwork in injection mold simultaneously, the manufacturing cost of product has been practiced thrift.

The purpose of the utility model can be achieved by adopting the following technical scheme: an injection molding and cutting integrated forming die in an injection molding die comprises a lower die and an upper die arranged above the lower die, wherein a first fixing plate is fixedly arranged on the inner side of the lower die, a plurality of uniformly distributed first fixing blocks are fixedly arranged at the upper end of the first fixing plate, a positioning pin is fixedly arranged at the upper end of the first fixing blocks, a positioning column is fixedly arranged at the upper end of the positioning pin, a plurality of uniformly distributed knife edges arranged between the first fixing blocks are fixedly arranged at the upper end of the first fixing plate, a connecting metal piece used in cooperation with the positioning column is arranged at the upper end of the knife edge, a product cavity used in cooperation with the connecting metal piece is formed in the upper portion of the lower die, a second fixing plate is fixedly arranged on the inner side of the upper portion of the upper die, a guide pressure plate aligned with the knife edges is fixedly arranged at the bottom, the top of going up the mould is through a plurality of spring swing joint elasticity template, the fixed third fixed plate that is provided with in upper portion of elasticity template, the bottom mounting of third fixed plate is provided with the second fixed block, the bottom mounting of second fixed block is provided with the setting and is in punch between the material board is pressed in the direction.

Preferably, the punch penetrates through the upper die and is matched with the connecting metal piece for use, and the connecting metal piece is clamped and arranged at the upper end of the positioning pin through the positioning columns.

Preferably, the knife edge and the punch are both made of tungsten steel materials, and the guide material pressing plate is made of 8407 cold-work steel.

Preferably, the punch, the guide pressing plates and the knife edges are positioned in the same Y-axis direction.

Preferably, the positioning pin is of a cylindrical structure, and the positioning column is of a circular truncated cone-shaped structure.

Preferably, the second fixing plate is fixedly connected with the guide pressing plate in a welding mode, and the first fixing plate is fixedly connected with the knife edge in a welding mode.

Preferably, the height of the material connecting metal piece is lower than that of the upper surface of the lower die, and the height of the material connecting metal piece is lower than that of the positioning column.

Preferably, the upper die is fixedly connected with the spring through screws, and the spring is fixedly connected with the elastic template through screws.

The utility model has the advantages of:

1. the punch is added in the injection mold, the connecting metal piece is punched and broken by utilizing the mold clamping pressure of the injection mold, the purpose of cutting off and injection molding integrated forming is achieved, the problems of poor connecting metal piece and scrapping of the injection molding caused by turnover among the working procedures are effectively solved, and the product percent of pass of the injection molding is improved.

2. The cutting-off process of the continuous metal piece is completed in the injection mold simultaneously without prolonging the injection molding period, so that the production cost of the product is saved.

3. Through the cooperation use of pilot pin and reference column, make things convenient for even placing of material metalwork, make things convenient for the punch to cut off, improve work efficiency.

Drawings

Fig. 1 is a cross-sectional view of a lower mold, an upper mold and an elastic mold plate of a preferred embodiment of an injection mold and cutting integrated molding mold according to the present invention when mold closing is started;

FIG. 2 is a cross-sectional view of a lower mold of a preferred embodiment of an injection mold with cutting and molding integrated in accordance with the present invention;

fig. 3 is a cross-sectional view of the upper mold, the lower mold and the elastic mold plate of the injection mold and cutting integrated molding mold according to the preferred embodiment of the present invention;

FIG. 4 is an enlarged view of A of a preferred embodiment of the injection mold with cutting integrated molding die of FIG. 2 according to the present invention;

fig. 5 is a perspective view of the first fixing block, the positioning pin and the positioning column of the injection mold with cutting and injection molding integrated molding mold according to the preferred embodiment of the present invention.

In the figure: 1-lower die, 2-first fixing plate, 3-first fixing block, 4-positioning pin, 5-knife edge, 6-spring, 7-product cavity, 8-positioning column, 9-connecting metal piece, 10-upper die, 11-second fixing plate, 12-guiding pressure plate, 13-punch, 14-elastic template, 15-third fixing plate and 16-second fixing block.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1 to 5, the injection molding and cutting integrated molding mold in an injection mold provided in this embodiment includes a lower mold 1 and an upper mold 10 disposed above the lower mold 1, a first fixing plate 2 is fixedly disposed on an inner side of the lower mold 1, a plurality of first fixing blocks 3 uniformly distributed are fixedly disposed on an upper end of the first fixing plate 2, a positioning pin 4 is fixedly disposed on an upper end of each first fixing block 3, a positioning post 8 is fixedly disposed on an upper end of each positioning pin 4, a plurality of knife edges 5 uniformly distributed and disposed between the first fixing blocks 3 are fixedly disposed on an upper end of each first fixing block 2, a connecting metal piece 9 used in cooperation with the positioning post 8 is disposed on an upper end of each knife edge 5, a product cavity 7 used in cooperation with the connecting metal piece 9 is disposed on an upper portion of the lower mold 1, a second fixing plate 11 is fixedly disposed on an inner side of an upper portion of the upper mold 10, a, an elastic template 14 is movably connected above an upper die 10 through four springs 6, a third fixing plate 15 is fixedly arranged at the upper part of the elastic template 14, a second fixing block 16 is fixedly arranged at the bottom end of the third fixing plate 15, a punch 13 arranged between guide pressure plates 12 is fixedly arranged at the bottom end of the second fixing block 16, when the die is used, a continuous material metal piece 9 is placed on the lower die 1 through a positioning needle 4 and a positioning column 8 under the condition that the upper die 10 and the lower die 1 are separated, then the upper die 10 and the lower die 1 are closed, the elastic template 14 is driven by the springs 6 to move downwards, so that the punch 13 presses the continuous material metal piece 9 through the guide pressure plates 12, then the die is closed continuously, the punch 13 and a knife edge 5 are matched to cut off the continuous material metal piece 9, then injection molding is carried out, the continuous material metal piece 9 is cut off by increasing the punch 13 in the injection die through utilizing, reach and cut off and the purpose of the integrated into one piece of moulding plastics, the bad of material metalwork 9 even that the turnover between the process caused has effectively been solved, the injection molding that causes is scrapped, improve the product percent of pass of injection molding, when not prolonging the cycle of moulding plastics, accomplish the process of cutting off of material metalwork 9 even simultaneously in injection mold, the manufacturing cost of product has been practiced thrift, use through the cooperation of pilot pin 4 and reference column 8, make things convenient for even placing of material metalwork 9, make things convenient for punch 13 to cut off, improve work efficiency.

In this embodiment, as shown in fig. 1 to 4, the punch 13 penetrates through the upper die 10 to be used in cooperation with the continuous material metal part 9, and the continuous material metal part 9 is clamped and arranged at the upper end of the positioning pin 4 through the plurality of positioning columns 8, so that the punch 13 can conveniently cut off the continuous material metal part 9, and the work efficiency is improved.

In the embodiment, as shown in fig. 2 and 3, the knife edge 5 and the punch 13 are both made of tungsten steel, and the guide pressure plate 12 is made of 8407 cold-work steel, so that the service life of the die is prolonged.

In the present embodiment, as shown in fig. 2 and 3, the punch 13, the plurality of guide pressure plates 12, and the plurality of knife edges 5 are located in the same Y-axis direction, so as to ensure the normal use of the punch 13.

In this embodiment, as shown in fig. 5, the positioning pin 4 is a cylindrical structure, and the positioning column 8 is a truncated cone-shaped structure, so as to facilitate positioning of the connecting metal piece 9.

In the embodiment, as shown in fig. 1 to fig. 3, the second fixing plate 11 is fixedly connected with the guide pressure plate 12 by welding, and the first fixing plate 2 is fixedly connected with the knife edge 5 by welding, so that the structural strength and the use stability of the die are improved.

In this embodiment, as shown in fig. 1 to 4, the height of the connecting metal piece 9 is lower than the height of the upper surface of the lower die 1, and the height of the connecting metal piece 9 is lower than the height of the positioning column 8, so that the connecting metal piece 9 can be conveniently placed.

In the present embodiment, as shown in fig. 2 and 3, the upper die 10 is fixedly connected with the spring 6 through screws, and the spring 6 is fixedly connected with the elastic die plate 14 through screws, so that the disassembly and assembly are convenient.

As shown in fig. 1 to 5, the principle of the injection-in-mold injection-cutting integrated molding mold provided in this embodiment is as follows: when the die is used, the continuous material metal piece 9 is placed on the lower die 1 through the positioning needle 4 and the positioning column 8 under the state that the upper die 10 and the lower die 1 are separated, then the upper die 10 and the lower die 1 are closed, the spring 6 drives the elastic die plate 14 to move downwards, so that the punch 13 presses the continuous material metal piece 9 through the guide material pressing plate 12, then the die is closed continuously, the punch 13 and the knife edge 5 are matched to cut off the continuous material metal piece 9, and then injection molding is carried out.

In summary, in this embodiment, according to the present embodiment, as the punch 13 is added in the injection mold, the purpose of cutting off and injection molding integrated molding is achieved by using the mold clamping pressure of the injection mold, the defects of the continuous metal part 9 caused by the turnover between the processes are effectively solved, the rejection of the injection molded part caused by the rejection of the continuous metal part 9 is effectively solved, the product yield of the injection molded part is improved, the cutting off process of the continuous metal part 9 is completed in the injection mold simultaneously without prolonging the injection molding cycle, the production cost of the product is saved, the continuous metal part 9 is convenient to place through the matching use of the positioning pin 4 and the positioning column 8, the cutting off of the punch 13 is facilitated, and the working efficiency is improved.

The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. The utility model provides an injection mould is interior to mould plastics with cut off integration forming die, its characterized in that, including lower mould (1) and set up last mould (10) above lower mould (1), the inboard of lower mould (1) is fixed and is provided with first fixed plate (2), the fixed first fixed block (3) that is provided with a plurality of evenly distributed in upper end of first fixed plate (2), the fixed pilot pin (4) that is provided with in upper end of first fixed block (3), the fixed reference column (8) that is provided with in upper end of pilot pin (4), the fixed edge of a knife (5) that is provided with a plurality of evenly distributed that sets up between first fixed block (3) in upper end of first fixed plate (2), the upper end of edge of a knife (5) be provided with even material metalwork (9) that reference column (8) cooperate and use, the upper portion of lower mould (1) seted up with even material die cavity (7) that material metalwork (9), the inner side of the upper portion of the upper die (10) is fixedly provided with a second fixing plate (11), the bottom fixing of the second fixing plate (11) is provided with a guide material pressing plate (12) aligned with the knife edge (5), the upper portion of the upper die (10) is movably connected with an elastic template (14) through a plurality of springs (6), the upper portion of the elastic template (14) is fixedly provided with a third fixing plate (15), the bottom fixing of the third fixing plate (15) is provided with a second fixing block (16), the bottom fixing of the second fixing block (16) is provided with a punch (13) arranged between the guide material pressing plates (12), the punch (13) penetrates through the upper die (10) and the connecting material metal piece (9) to be matched for use, the connecting material metal piece (9) is clamped and arranged at the upper end of the positioning pin (4) through a plurality of positioning columns (8), the positioning needle (4) is of a cylindrical structure, and the positioning column (8) is of a circular truncated cone-shaped structure.

2. An injection-molding and cutting integrated forming die in an injection mold according to claim 1, wherein the knife edge (5) and the punch (13) are made of tungsten steel material, and the guiding pressure plate (12) is made of 8407 cold-work steel.

3. An injection-molding and cutting integrated forming mold as claimed in claim 1, wherein the punch (13) and the plurality of guide pressing plates (12) and the plurality of cutting edges (5) are located in the same Y-axis direction.

4. An injection-molding and cutting integrated forming mold in an injection mold according to claim 1, wherein the second fixing plate (11) is fixedly connected with the guiding and pressing plate (12) by welding, and the first fixing plate (2) is fixedly connected with the knife edge (5) by welding.

5. An injection-molding and cutting-off integrated forming mold in an injection mold according to claim 1, wherein the height of the connecting metal piece (9) is lower than the height of the upper surface of the lower mold (1), and the height of the connecting metal piece (9) is lower than the height of the positioning column (8).

6. An injection-molding and cutting integrated forming mold in an injection mold according to claim 1, wherein the upper mold (10) is fixedly connected with the spring (6) through screws, and the spring (6) is fixedly connected with the elastic template (14) through screws.