CN216683164U - Injection mold device of complex construction shell spare - Google Patents

Abstract

The utility model discloses an injection mold device of a shell part with a complex structure, belonging to the technical field of injection molds, comprising an upper mold core, a lower mold core and a lower mold core, wherein the upper mold core is fixedly arranged on an upper mold base; the lower die core is fixedly arranged on a lower die base, the upper die base and the lower die base are assembled, a cavity is formed between the upper die core and the lower die core, and a male die is arranged on the top surface of the lower die core; the four groups of sliding block mechanisms are arranged on the lower die base in a sliding mode, are enclosed and blocked around the male die, and are spaced from the male die, and are communicated with the die cavity; according to the utility model, the male die is arranged on the lower die core, the plurality of groups of sliding block mechanisms are enclosed and blocked at the periphery of the male die to form a gap communicated with the die cavity, and the sliding driving mechanism acts on the sliding block mechanisms along with the die opening and closing operation, so that the size of the gap is changed, the complex shell part is not interfered during the demoulding, the demoulding operation is simple, and the processing efficiency is greatly improved.

Description

A kind of injection mold device of complex structure shell parts

technical field

The utility model belongs to the technical field of injection molds, and in particular relates to an injection mold device for housing parts with complex structures.

Background technique

The plastic processing method in which the plastic is plasticized in the heating barrel of the injection molding machine and injected into the cavity of the closed mold by the plunger or the reciprocating screw to form the product. This method can process products with complex shapes, precise dimensions or with inserts.

At present, during injection molding of general shell parts, because the edge structure of the shell is smooth, the shell can be easily demolded when the mold is opened. It will become complicated, making it difficult to demold the shell parts and reducing the efficiency of injection molding.

Utility model content

The purpose of the utility model is to propose an injection mold device of a complex structure shell part in order to solve the problems that the shell part with complex structure makes the mold core structure complicated, which leads to difficulty in demolding and low injection processing efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an injection mold device of a complex structure shell part, which comprises:

The upper die core, which is fixedly installed on the upper die seat;

The lower mold core is fixedly installed on the lower mold base, the upper mold base and the lower mold base are moulded together, a cavity is formed between the upper mold core and the lower mold core, and the top surface of the lower mold core is There is a punch on it;

Four sets of slider mechanisms are slidably arranged on the lower die base, and the slider mechanisms are enclosed around the punch. There is a gap between the slider mechanism and the punch, so the gap communicates with the cavity;

Multiple sets of sliding drive mechanisms are fixedly mounted on the upper die base, the sliding drive mechanisms are inserted into the slider mechanisms, and each group of the slider mechanisms corresponds to at least two sets of the sliding drive mechanisms.

As a further description of the above technical solutions:

The slider mechanism includes a slider body and a limit block, the limit block is fixedly installed on the bottom surface of the slider body, and the limit block slides along the chute on the top surface of the lower die base , the slider body is provided with a sloping top groove, and the sloping top groove is arranged obliquely.

As a further description of the above technical solutions:

The bottom surface of the slider body is in contact with the top surface of the lower mold base, and the bottom surface of the slider body is in contact with the top surface of the lower mold core.

As a further description of the above technical solutions:

The sliding drive mechanism includes a fixed block and a guide column, the fixed block is fixedly installed in the groove on the upper die base, the guide column is fixedly installed on the fixed block, and the guide column is arranged obliquely , and the guide post is inserted into the inclined roof groove.

As a further description of the above technical solutions:

The structures of the two slider bodies located on opposite sides of the punch are the same, and the two slider bodies are arranged in mirror symmetry.

As a further description of the above technical solutions:

A number of bumps are arranged on the side surface of the slider body, and the bumps are evenly arranged at equal distances in a linear direction.

As a further description of the above technical solutions:

The upper mold core is provided with protrusions, and the protrusions fit with the surface of the punch.

As a further description of the above technical solutions:

A blind hole groove is formed on the top surface of the punch, and a boss is arranged on the upper die core, and the boss is inserted into the blind hole groove.

To sum up, due to the adoption of the above-mentioned technical solutions, the beneficial effects of the present utility model are:

1. In the present utility model, a punch is arranged on the lower die core, and multiple sets of slider mechanisms surround the periphery of the punch to form a gap communicating with the cavity. The block mechanism works to change the size of the gap, so that the complex shell parts are not interfered during demoulding, the demolding operation is simple, and the processing efficiency is greatly improved.

2. In the present utility model, the vertical movement of the guide post is transformed into the sliding of the slider body in the horizontal direction, the slider body slides on the lower die seat, the limit block slides along the chute, and the slider body follows the slide. The distance between it and the punch is adjusted according to the state change of the mold opening and closing, so as to facilitate the demoulding operation of the shell with complex structure.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of an injection mold device of a complex structure shell.

FIG. 2 is a reference diagram 1 of the use state of an injection mold device of a complex structure shell part.

FIG. 3 is a state of use of an injection mold device of a complex structure shell part, referring to FIG. 2 .

FIG. 4 is a reference to FIG. 3 for the use state of an injection mold device of a complex structure shell part.

FIG. 5 is a schematic diagram 1 of the internal structure of an injection mold device of a complex structure shell part.

FIG. 6 is a second schematic diagram of the internal structure of an injection mold device of a complex structure casing.

FIG. 7 is a schematic structural diagram of a slider body in an injection mold device of a complex structure shell.

illustration:

1. Upper die; 2. Upper die base; 3. Lower die; 4. Lower die base; 5. Punch; 6. Slider mechanism; 61. Slider body; 62. Limit block; 7. Clearance ;8, sliding drive mechanism; 81, fixed block; 82, guide post; 9, chute; 10, inclined top groove; 11, groove; 12, bump; 13, protrusion; 14, blind hole groove; 15 , boss.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-7, the present utility model provides a technical solution: an injection mold device of a complex structure shell part, comprising:

Upper die core 1, which is fixedly installed on the upper die base 2;

The lower mold core 3 is fixedly installed on the lower mold base 4, the upper mold base 2 and the lower mold base 4 are closed, and a cavity is formed between the upper mold core 1 and the lower mold core 3, so A punch 5 is provided on the top surface of the lower die core 3;

Four sets of slider mechanisms 6 are slidably arranged on the lower die base 4 , and the slider mechanisms 6 are enclosed around the punch 5 . A gap 7 is left between, and the gap 7 communicates with the cavity;

A plurality of sets of sliding drive mechanisms 8 are fixedly installed on the upper die base 2, the sliding drive mechanisms 8 are inserted into the slider mechanisms 6, and each group of the slider mechanisms 6 corresponds to at least two groups of the sliding drive mechanism 8;

The slider mechanism 6 includes a slider body 61 and a limit block 62 , the limit block 62 is fixedly installed on the bottom surface of the slider body 61 , and the limit block 62 is along the lower die base 4 . The sliding groove 9 on the top surface slides, and the sliding block body 61 is provided with a sloping top groove 10, and the sloping top groove 10 is arranged obliquely; the bottom surface of the sliding block body 61 and the top of the lower die base 4 The sliding drive mechanism 8 includes a fixing block 81 and a guide post 82, and the fixing block 81 is fixedly installed on the In the groove 11 on the upper die base 2 , the guide post 82 is fixedly installed on the fixing block 81 , the guide post 82 is arranged obliquely, and the guide post 82 is inserted into the inclined top groove 10 , when the upper die base 2 and the lower die base 4 are clamped, the guide post 82 is inserted into the lifter slot 10, and the inclination between the guide post 82 and the lifter slot 10 is staggered, and the movement of the guide post 82 in the vertical direction is staggered. It turns to sliding action on the slider body 61 in the horizontal direction. At this time, the slider body 61 slides toward the punch 5, and the limit block 62 slides along the chute 9. When the mold is opened, the upper mold seat 2 and the lower mold seat 4 is separated, the vertical movement of the guide post 82 is turned into a horizontal sliding on the slider body 61, at this time the slider body 61 slides in the direction of the edge of the lower die base 4, and the limit block 62 moves along the chute 9 Sliding to complete stripping, the slider body 61 adjusts the distance between it and the punch 5 as the state of mold opening and mold closing changes, so as to facilitate the demoulding operation of complex structural shell parts;

The two slider bodies 61 located on opposite sides of the punch 5 have the same structure, and the two slider bodies 61 are arranged in mirror symmetry; Block 12, a plurality of said bumps 12 are evenly arranged at equal distances in the linear direction, and the bumps 12 extend into the gap 7, so that the outer shell has a heat dissipation hole structure to meet the manufacturing requirements of complex shell parts;

The upper mold core 1 is provided with a protrusion 13, the protrusion 13 is attached to the surface of the punch 5, and the protrusion 13 is attached to the punch 5 to divide the cavity of the region, so that the The shell parts corresponding to this area are in a state of avoiding air to meet the manufacturing requirements of complex structures;

The top surface of the punch 5 is provided with a blind hole groove 14, and the upper die core 1 is provided with a boss 15, and the boss 15 is inserted into the blind hole groove 14, so that the outer shell has The concave structure meets the needs of users.

Working principle: First, when the upper die base 2 and the lower die base 4 are clamped, the guide post 82 is inserted into the inclined roof groove 10, and the inclination between the guide post 82 and the inclined roof groove 10 is staggered, so that the guide post 82 is vertically The movement in the direction turns into a sliding effect on the slider body 61 in the horizontal direction. At this time, the slider body 61 slides toward the punch 5, the limit block 62 slides along the chute 9, and the slider body 61 and the punch 5 slide. A gap 7 is formed between them, the protrusion 13 is attached to the punch 5, the boss 15 is snapped into the blind hole groove 14, and a cavity is formed between the lower mold core 3 and the upper mold core 1. After the material is solidified and formed, finally, when the mold is opened, the upper mold base 2 and the lower mold base 4 are separated, and the movement of the guide post 82 in the vertical direction is turned into the sliding of the slider body 61 in the horizontal direction. The slider body 61 slides towards the edge of the lower die base 4, the limit block 62 slides along the chute 9, the bump 12 on the slider body 61 is pulled out from the product, the bump 13 leaves the punch 5, the boss 15 Leave the blind hole slot 14, thereby completing the stripping.

The above descriptions are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (8)

1. an injection moulding device of a complex structure shell part, it is characterized in that: comprise: The upper die core (1) is fixedly mounted on the upper die seat (2); The lower mold core (3) is fixedly mounted on the lower mold base (4), the upper mold base (2) is moulded with the lower mold base (4), and the upper mold core (1) is connected with the lower mold base (4). A cavity is formed between the die cores (3), and a punch (5) is provided on the top surface of the lower die core (3); Four sets of slider mechanisms (6) are slidably arranged on the lower die base (4), and the slider mechanisms (6) are enclosed around the punch (5). (6) A gap (7) is left between the punch (5), and the gap (7) communicates with the cavity; A plurality of sets of sliding drive mechanisms (8) are fixedly mounted on the upper die base (2), the sliding drive mechanisms (8) are inserted into the sliding block mechanism (6), and each set of the sliding blocks The mechanism (6) corresponds to at least two groups of the sliding drive mechanisms (8). 2 . The injection mold device for a casing with a complex structure according to claim 1 , wherein the slider mechanism ( 6 ) comprises a slider body ( 61 ) and a limit block ( 62 ), the limit block ( 62 ). 3 . The stop block (62) is fixedly installed on the bottom surface of the slider body (61), and the stop block (62) slides along the chute (9) on the top surface of the lower die base (4), so The slider body (61) is provided with a sloping top groove (10), and the sloping top groove (10) is arranged obliquely. 3 . The injection mold device of a complex structure shell according to claim 2 , wherein the bottom surface of the slider body ( 61 ) is in contact with the top surface of the lower mold base ( 4 ), and 3 . The bottom surface of the slider body (61) is fitted with the top surface of the lower mold core (3). 4 . The injection mold device for a casing with a complex structure according to claim 3 , wherein the sliding drive mechanism ( 8 ) comprises a fixed block ( 81 ) and a guide post ( 82 ), and the fixed block ( 81) is fixedly installed in the groove (11) on the upper die base (2), the guide post (82) is fixedly installed on the fixing block (81), and the guide post (82) is inclined arranged, and the guide post (82) is inserted into the lifter groove (10). 5 . The injection mold device for a complex structure shell part according to claim 4 , wherein the two slider bodies ( 61 ) located on opposite sides of the punch ( 5 ) have the same structure, 6 . And the two slider bodies (61) are arranged in mirror symmetry. 6 . The injection mold device for a casing with a complex structure according to claim 5 , wherein a plurality of protrusions ( 12 ) are provided on the side surface of the slider body ( 61 ), and a plurality of the protrusions The blocks (12) are evenly arranged and arranged at equal distances along the linear direction. 7 . The injection mold device for a shell with a complex structure according to claim 6 , wherein the upper mold core ( 1 ) is provided with a protrusion ( 13 ), and the protrusion ( 13 ) is connected to the The surface of the punch (5) is attached. 8 . The injection mold device of a complex structure casing according to claim 7 , wherein a blind hole groove ( 14 ) is provided on the top surface of the punch ( 5 ), and the upper mold core ( 1) A boss (15) is provided thereon, and the boss (15) is inserted into the blind hole groove (14).

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