CN210362231U - More complicated casing plastics injection moulding device - Google Patents

Abstract

The utility model relates to an injection mold field specifically is a more complicated casing plastics injection moulding mould device, including the movable mould bedplate, the movable mould board, the fixed die plate, the cover half bedplate, the core, the die cavity, the gating system, cooling system, guiding mechanism, ejecting mechanism, the cushion, fixed cushion and ejecting mechanism in the movable mould bedplate, the movable mould board is fixed in the cushion upper end, the movable mould board upper end is the fixed die plate, both non-fixed connections, the fixed die bedplate in the fixed die plate upper end, the core is fixed in the movable mould board, the die cavity is fixed in the fixed die plate, the gating system sets up at the cover half bedplate, the fixed die plate, in the movable mould board, cooling system and guiding mechanism set up in fixed die plate and movable mould board, ejecting mechanism sets up on the movable mould. This device has simplified complicated plastic housing mould project organization to a certain extent, and novel gating system has improved the appearance quality of goods greatly, and novel guiding mechanism and release mechanism have improved the stability of production efficiency and die sinking, compound die, and novel gating system satisfies design and manufacturing requirement and simple structure.

Description

More complicated casing plastics injection moulding device

Technical Field

The invention relates to the field of injection molds, in particular to a plastic injection molding device for a relatively complex shell.

Background

Plastic injection molding is one of the most commonly used methods for plastic processing today. The plastic injection production efficiency is high, the automation is easy to realize, and plastic products with complex shapes and accurate sizes can be manufactured. With the development of computer technology, the design of injection molds is mainly designed by computer software. The design of the mould is mainly the design of a pouring system, a guide mechanism, an ejection mechanism, a cooling system, a mould frame and the like besides the design of a core and a cavity. However, for a relatively complex plastic shell product, the prior design has the defects that a plurality of parting surfaces are used, a pouring system is complex and influences the appearance of the product, and a three-plate type mould frame is complex and is difficult to demould. The complex structures tend to lengthen the design cycle and post-fabrication time of the product.

The problem to be solved is how to simplify the structure of a complex shell part and meet the process requirements.

Disclosure of Invention

In view of this, the present invention is a complex housing plastic injection molding apparatus. The invention aims to simplify the structural design of a complex shell mold on the basis of meeting the process requirements so as to shorten the design period.

The technical scheme of the utility model is that: a plastic injection molding apparatus, characterized by: including movable mould bedplate, movable mould board, fixed die plate, cover half bedplate, core, die cavity, gating system, cooling system, guiding mechanism, ejecting mechanism, cushion, fixed die plate upper end cushion and ejecting mechanism, the movable mould board is fixed in the cushion upper end, the movable mould board upper end is the fixed die plate, and both are not fixed connection, the fixed die bedplate is fixed to the fixed die plate upper end, the core is fixed in the movable mould board, the die cavity is fixed in the fixed die plate, the gating system sets up in fixed die bedplate, fixed die plate, movable mould board, cooling system and guiding mechanism set up in fixed die plate and movable mould board, ejecting mechanism sets up on the movable mould bedplate.

Furthermore, the gating system comprises a main runner, a sub-runner, a pouring gate and a cold material cavity, wherein a pouring gate sleeve is arranged at the outer end of the main runner, a positioning ring is arranged outside the pouring gate sleeve, the port of the sub-runner is in a trapezoidal shape and is connected with the main runner, the pouring gate is connected with the sub-runner in a hidden mode, and the cold material cavity is arranged at the tail end of the main runner.

Furthermore, the guide mechanism comprises a guide pillar and a guide sleeve which are matched, the guide sleeve is a straight guide sleeve and is fixed on one side, close to the fixed die plate, of the movable die plate, and the guide pillar is a guide pillar with a head and is installed on the movable die plate.

Furthermore, the push-out mechanism comprises a push plate, a push rod fixing plate and a push rod, wherein the push plate is arranged on the movable mold base plate, the push rod fixing plate is fixed on the push plate, and the push rod is a disc-shaped push rod, and the tail end of the push rod is fixed on the push rod fixing plate.

Furthermore, the water path of the cooling system is of a plane cooling type, the water path pipeline is circular, and the distance between the central line of the pipeline and the wall of the cavity is 1-2 times of the diameter of the pipeline.

Compared with the prior art, the beneficial effects of the utility model are that: this plastics injection moulding device when preparing complicated plastic housing goods, has simplified mould design structure, has shortened the design time. The device gating system chooses for use the formula runner of hiding, can not influence the outward appearance of goods, adopts runner cover and holding ring, has reduced the wearing and tearing of sprue port material, has strengthened the centering nature of injection molding machine and mould, and guiding mechanism adopts tape head guide pillar and straight guide pin bushing, and simple structure is convenient for later stage and is made, and ejecting mechanism adopts the disk push rod to reduce the goods and warp, adopts hydraulic pressure push pedal ejecting mechanism, reduces the labour, and goods non-deformable, and the surface does not have and releases the vestige, simple structure. The cooling system is arranged in the movable template and the fixed template, the cooling effect is good, and the planar cooling water channel is simple in structure and easy to manufacture.

Drawings

FIG. 1 is a schematic view of a plastic injection molding apparatus

FIG. 2 is a schematic view of a plastic housing of a base of a sweeping robot

FIG. 3 is a schematic view of a gating system

FIG. 4 is a schematic view of a guide mechanism

FIG. 5 is a schematic view of the ejecting mechanism

FIG. 6 is a schematic view of a cooling water path

In the figure: 1. the casting mold comprises a movable mold base plate, a movable mold plate, a fixed mold base plate, a cavity, a mold core, a casting system, a main runner, a sprue, a cooling material cavity, a sprue bush, a locating ring, a cooling system, a guide mechanism, a guide pillar, a guide sleeve, a push mechanism, a push plate, a push rod fixing plate, a push rod and a cushion block, wherein the movable mold base plate is 2, the movable mold plate is 3, the fixed mold plate is 4, the fixed mold base plate is 5, the mold cavity is 6, the mold core, the.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the utility model provides a mold design: a plastic injection molding apparatus, characterized by: including movable mould bedplate 1, movable mould board 2, fixed die plate 3, cover half bedplate 4, die cavity 5, core 6, gating system 7, cooling system 8, guiding mechanism 9, ejecting mechanism 10, cushion 11, fixed die plate 1 upper end fixed cushion 11 and ejecting mechanism 10, movable mould board 2 is fixed in cushion 11 upper end, 2 upper ends of movable mould board are fixed die plate 3, and both are not fixed connection, fixed die bedplate 4 is fixed to 3 upper ends of fixed mould board, core 5 is fixed in movable mould board 3, die cavity 6 is fixed in fixed die plate 3, gating system 7 sets up in fixed die plate 4, fixed die plate 3, movable mould board 2, cooling system 8 and guiding mechanism 9 set up in fixed die plate 3 and movable mould board 2, ejecting mechanism 10 sets up on movable mould board 2. The pouring system 7 comprises a main runner 7a, a sub-runner 7b, a pouring gate 7c and a cooling material hole 7d, wherein a pouring gate sleeve 7e is arranged at the outer end of the main runner 7a, a positioning ring 7f is arranged outside the pouring gate sleeve, the port of the sub-runner 7b is trapezoidal and connected with the main runner 7a, the pouring gate 7c is connected with the sub-runner 7b in a hidden mode, and the cooling material hole 7d is arranged at the tail end of the main runner. The guide mechanism 9 comprises a guide post 9a and a guide sleeve 9b which are matched, the guide sleeve 9b is a straight guide sleeve and is fixed on one side of the movable template 2 close to the fixed template 3, and the guide post 9a is a guide post with a head and is installed on the movable template 2. The push-out mechanism 10 comprises a push plate 10a, a push rod fixing plate 10b and a push rod 10c, wherein the push plate 10a is arranged on the movable mold base plate 1, the push rod fixing plate 10b is fixed on the push plate 10a, and the push rod 10c is a disc-shaped push rod with the tail end fixed on the push rod fixing plate 10 b. The water channel of the cooling system 8 is plane cooling type, the water channel pipeline is circular, and the distance between the central line of the pipeline and the cavity wall is 1-2 times of the diameter of the pipeline.

The utility model discloses a theory of operation: during injection, a movable mold plate 2 and a fixed mold plate 3 of the device are in contact, the device is in a closed state, a nozzle of an injection molding machine is in contact with a sprue bush 7e, the sprue bush reduces abrasion of materials at the front end of the device, a positioning ring 7f enables the nozzle to be aligned with a main runner 7a, molten plastic flows through the main runner 7a, a sub-runner 7b and a sprue 7c to enter a cavity, pressure maintaining and post cooling are started after injection is completed, a cooling system 8 plays a role, a guide mechanism 9 plays a role in a mold opening stage to enable the device to be stably opened, a push plate 10a drives a push rod 10c to be released from a mold under the pushing of a hydraulic device, at the moment, a push mechanism 10 plays a role and then returns to the original position, and mold closing is started to perform next injection molding.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. A plastic injection molding apparatus, characterized by: the casting mold comprises a movable mold base plate (1), a movable mold plate (2), a fixed mold plate (3), a fixed mold base plate (4), a cavity (5), a core (6), a pouring system (7), a cooling system (8), a guide mechanism (9), an ejecting mechanism (10) and a cushion block (11), wherein the cushion block (11) and the ejecting mechanism (10) are fixed at the upper end of the movable mold base plate (1), the movable mold plate (2) is fixed at the upper end of the cushion block (11), the fixed mold plate (3) is arranged at the upper end of the movable mold plate (2) and is not fixedly connected with the fixed mold plate (3), the fixed mold base plate (4) is fixed at the upper end of the fixed mold plate (3), the core (6) is fixed in the movable mold plate (2), the cavity (5) is fixed in the fixed mold plate (3), the pouring system (7) is arranged in the fixed mold base plate (4), the fixed mold plate (3) and the movable mold plate (2), the cooling, the push-out mechanism (10) is arranged on the movable template (2).

2. A plastic injection molding apparatus as claimed in claim 1, wherein: the pouring system (7) comprises a main runner (7a), a sub-runner (7b), a pouring gate (7c) and a cooling material cavity (7d), wherein a pouring gate sleeve (7e) is arranged at the outer end of the main runner (7a), a positioning ring (7f) is arranged outside the pouring gate sleeve, the port of the sub-runner (7b) is trapezoidal and is connected with the main runner (7a), the pouring gate (7c) is connected with the sub-runner (7b) in a hidden mode, and the cooling material cavity (7d) is arranged at the tail end of the main runner.

3. A plastic injection molding apparatus as claimed in claim 1, wherein: the guide mechanism (9) comprises a guide post (9a) and a guide sleeve (9b), the guide post and the guide sleeve are matched, the guide sleeve (9b) is a straight guide sleeve and is fixed on one side, close to the fixed die plate (3), of the movable die plate (2), and the guide post (9a) is a guide post with a head and is installed on the movable die plate (2).

4. A plastic injection molding apparatus as claimed in claim 1, wherein: the push-out mechanism (10) comprises a push plate (10a), a push rod fixing plate (10b) and a push rod (10c), wherein the push plate (10a) is arranged on the movable mold base plate (1), the push rod fixing plate (10b) is fixed on the push plate (10a), and the end of the push rod (10c) is a disc-shaped push rod and is fixed on the push rod fixing plate (10 b).

5. A plastic injection molding apparatus as claimed in claim 1, wherein: the water channel of the cooling system (8) is of a plane cooling type, the water channel pipeline is circular, and the distance between the central line of the pipeline and the wall of the cavity is 1-2 times of the diameter of the pipeline.

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