CN214395174U

CN214395174U - High-precision injection mold for automobile plastic parts

Info

Publication number: CN214395174U
Application number: CN202023006497.8U
Authority: CN
Inventors: 王�华
Original assignee: Shenzhen Jisheng Mould Co ltd
Current assignee: Shenzhen Jisheng Mould Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-10-15
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a high-precision injection mold of an automobile plastic part, which comprises a bottom mold, a bottom mold core, a base and a top mold, wherein the top of the bottom mold is provided with a bottom groove, and the central axis of the bottom groove and the central axis of the bottom mold are on the same vertical straight line; the bottom die core is arranged in the bottom groove, and the bottom die core is connected with the bottom groove in an embedded manner; the base is arranged at the bottom of the bottom die; the top mould install at the top of die block, and the axis of top mould and the axis of die block are on same vertical straight line, be provided with first watering groove, runner and second and water the groove, after die block and top mould are closed each other, end mold core and top groove are closed in step, and the second waters the bottom in groove and the top intercombination intercommunication in first watering groove, the raw materials can water the passageway reposition of redundant personnel that the groove is constituteed through the second after getting into the runner of heavy-calibre, ensure that the raw materials can slowly fast pour into the die block in the core evenly, improved the precision of moulding plastics.

Description

High-precision injection mold for automobile plastic parts

Technical Field

The utility model particularly relates to a relevant technical field of mould specifically is a high accuracy injection mold of auto plastic accessory.

Background

In short, the mould is a tool for manufacturing a formed article, the tool is composed of various parts, different moulds are composed of different parts, the appearance of the article is processed mainly by changing the physical state of the formed material, and the mould is called as an industrial mother, and the injection mould is needed in the process of processing a high polymer product.

The mould that uses at present only is provided with a runner usually, and inside water the groove and be single tube type structure usually, does not shunt raw materials passageway, consequently can pour into a large amount of raw materials in the short time, causes local pressure too big easily, influences finished product quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high accuracy injection mold of auto plastic accessory to solve the mould that uses at present who proposes in the above-mentioned background art and only be provided with a runner usually, and the inside groove of watering is single tube type structure usually, does not shunt raw material passageway, consequently can pour into a large amount of raw materials in the short time, causes local pressure too big easily, influences the problem of finished product quality.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-precision injection mold for automobile plastic accessories comprises a bottom mold, a bottom mold core, a base and a top mold, wherein the top of the bottom mold is provided with a bottom groove, and the central axis of the bottom groove and the central axis of the bottom mold are on the same vertical straight line; the bottom die core is arranged in the bottom groove, and the bottom die core is connected with the bottom groove in an embedded manner; the base is arranged at the bottom of the bottom die; the top die is arranged at the top of the bottom die, and the central axis of the top die and the central axis of the bottom die are on the same vertical straight line; the bottom die core comprises first casting grooves and slag discharge grooves, two groups of the first casting grooves are arranged, and the two groups of the first casting grooves are respectively arranged at two ends of the bottom die core; the four slag discharging grooves are symmetrically arranged about the central axis of the bottom mold core, and are respectively arranged on two sides of the top of the bottom mold core, and one ends of the four slag discharging grooves are communicated with the inside of the bottom mold core; the top die comprises four sliding chutes, a pouring gate, a top groove, second fixing screws and electro-hydraulic push rods, wherein the four sliding chutes are symmetrically arranged relative to the central axis of the top die and are respectively connected with the four guide rods in a sliding manner; the two pouring gates are symmetrically arranged about the central axis of the top die, and are respectively installed at two ends of the top die, and penetrate through the top of the top die to be communicated with the two second pouring grooves respectively, and simultaneously, the bottoms of the two second pouring grooves penetrate through the bottom of the top die to be communicated with the two first pouring grooves respectively; the top groove is formed in the bottom of the top die, and the central axis of the top die and the central axis of the top groove are on the same vertical straight line; the four second fixing screws are symmetrically arranged about the central axis of the top die, and are respectively arranged at two ends of the top die, and the four top dies penetrate through the inner wall of the top groove; the electro-hydraulic push rod is arranged at the top of the top die.

As a further aspect of the present invention: the bottom die comprises four first fixing screws, a top plate and guide rods, the four first fixing screws are symmetrically arranged around the central axis of the bottom die, the four first fixing screws are respectively arranged at two ends of the bottom die, and the four first fixing screws penetrate through the inner wall of the bottom groove; the top plate is arranged at the bottom of the bottom groove; the guide arms be provided with four about the axis of die block is the symmetry formula, and four guide arms are installed respectively in the diagonal department at die block top.

As a further aspect of the present invention: the base include the spring, the spring be the symmetry formula about the axis of base and be provided with four, and the top of four springs all is connected with the bottom of roof, spring and roof constitution elevation structure simultaneously.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, be provided with die block, the kerve, end mold core, first fixed screw, the roof, spring and base, be split type structure between base and the die block, the convenience of whole when the dismouting has been improved, install in the inside back of kerve when the die block core, through mold core at the bottom of four first fixed screw chucking, the stability of mold core when using at the bottom of improving, and when changing end mold core, not hard up four first fixed screws, the top mold core is upwards pushed up to the drive roof under the effect of four springs, the change speed of mold core at the bottom has been improved.

2. The utility model discloses, be provided with first groove, runner and the second of watering and water the groove, after die block and top mould are closed each other, bottom mold core and top groove are synchronous closed, and the second waters the bottom in groove and the first top intercombination intercommunication that waters the groove, and the raw materials can water the passageway reposition of redundant personnel that groove and first watering groove are constituteed through the second after the runner that gets into the heavy-calibre, ensures that the raw materials can slow down and pour into the die block in-core uniformly, has improved the precision of moulding plastics.

Drawings

Fig. 1 is a schematic diagram of the test structure of the present invention.

Fig. 2 is a schematic view of the vertical cross section of the structure of the present invention.

Fig. 3 is a schematic diagram of the side view structure of the vertical section of the present invention.

Fig. 4 is a schematic top view of the middle top mold of the present invention.

Fig. 5 is a schematic top view of the midsole mold core of the present invention.

In the figure: 1-bottom die, 2-bottom groove, 3-bottom die core, 4-first fixing screw, 5-top plate, 6-spring, 7-base, 8-guide rod, 9-first casting groove, 10-slag discharging groove, 11-top die, 12-sliding groove, 13-pouring gate, 14-second casting groove, 15-top groove, 16-second fixing screw and 17-electro-hydraulic push rod.

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. 1-5, in an embodiment of the present invention, a high-precision injection mold for an automobile plastic part includes a bottom mold 1, a bottom mold core 3, a base 7 and a top mold 11, wherein a bottom groove 2 is formed at the top of the bottom mold 1, and a central axis of the bottom groove 2 and a central axis of the bottom mold 1 are on the same vertical straight line; the bottom die core 3 is arranged in the bottom groove 2, and the bottom die core 3 is connected with the bottom groove 2 in an embedded manner; the base 7 is arranged at the bottom of the bottom die 1; the top die 11 is arranged at the top of the bottom die 1, and the central axis of the top die 11 and the central axis of the bottom die 1 are on the same vertical straight line; the bottom die core 3 comprises first casting grooves 9 and slag discharge grooves 10, two groups of the first casting grooves 9 are arranged, and the two groups of the first casting grooves 9 are respectively arranged at two ends of the bottom die core 3; the four slag discharging grooves 10 are symmetrically arranged about the central axis of the bottom mold core 3, the four slag discharging grooves 10 are respectively arranged on two sides of the top of the bottom mold core 3, and one ends of the four slag discharging grooves 10 are communicated with the inside of the bottom mold core 3; the top die 11 comprises four sliding chutes 12, a pouring gate 13, a top groove 15, second fixing screws 16 and electro-hydraulic push rods 17, wherein the four sliding chutes 12 are symmetrically arranged about the central axis of the top die 11, and the four sliding chutes 12 are respectively connected with the four guide rods 8 in a sliding manner; the two gates 13 are symmetrically arranged about the central axis of the top die 11, the two gates 13 are respectively installed at two ends of the top die 11, the two gates 13 respectively penetrate through the top of the top die 11 and are communicated with the two second pouring grooves 14, and the bottoms of the two second pouring grooves 14 respectively penetrate through the bottom of the top die 11 and are communicated with the two first pouring grooves 9; the top groove 15 is formed at the bottom of the top die 11, and the central axis of the top die 11 and the central axis of the top groove 15 are on the same vertical straight line; the number of the second fixing screws 16 is four, and the four second fixing screws 16 are symmetrically arranged about the central axis of the top die 11, and are respectively arranged at two ends of the top die 11, and meanwhile, the four top dies 11 all penetrate through the inner wall of the top groove 15; the electro-hydraulic push rod 17 is arranged on the top of the top die 11.

The bottom die 1 comprises four first fixing screws 4, a top plate 5 and guide rods 8, the four first fixing screws 4 are symmetrically arranged about the central axis of the bottom die 1, the four first fixing screws 4 are respectively installed at two ends of the bottom die 1, and the four first fixing screws 4 penetrate through the inner wall of the bottom groove 2; the top plate 5 is arranged at the bottom of the bottom groove 2; the guide rods 8 are symmetrically arranged about the central axis of the bottom die 1, and the four guide rods 8 are respectively arranged at the opposite corners of the top of the bottom die 1.

Base 7 include spring 6, spring 6 be the symmetry formula about base 7's axis and be provided with four, and four spring 6's top all is connected with the bottom of roof 5, spring 6 constitutes elevation structure with roof 5 simultaneously.

The utility model discloses a theory of operation is: before use, firstly, an electro-hydraulic push rod 17 is installed at the bottom of an external suspension mechanism, when the external suspension mechanism is used, a bottom mold core 3 to be used is placed in a bottom groove 2, the bottom mold core 3 is pressed downwards to enable the bottom mold core 3 to be completely fit with the bottom groove 2, at the moment, the bottom mold core 3 can push a top plate 5 downwards and extrude a spring 6, then, four first fixing screws 4 are fastened, the bottom mold core 3 is stably installed in the bottom groove 2, then, the electro-hydraulic push rod 17 is started, a top mold 11 is pushed to slide downwards along a guide rod 8 and is mutually fit and connected with a bottom mold 1, at the moment, the bottom of a first pouring groove 9 is communicated with a second pouring groove 14, then, raw materials are poured into the second pouring groove 14 through two pouring gates 13, the raw materials are uniformly poured into the bottom mold core 3 at a slow speed after being divided through a channel formed by the second pouring groove 14 and the first pouring groove 9, and part of the redundant raw materials can be squeezed into a slag discharging groove 10 in the processing process, after the processing is finished, the electro-hydraulic push rod 17 is started to drive the top die 11 to move upwards and separate from the bottom groove 2, and then the demolding can be carried out.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high accuracy injection mold of auto plastic accessory which characterized in that: the die comprises a bottom die (1), a bottom die core (3), a base (7) and a top die (11), wherein the top of the bottom die (1) is provided with a bottom groove (2), and the central axis of the bottom groove (2) and the central axis of the bottom die (1) are on the same vertical straight line; the bottom mold core (3) is arranged in the bottom groove (2), and the bottom mold core (3) is connected with the bottom groove (2) in an embedded manner; the base (7) is arranged at the bottom of the bottom die (1); the top die (11) is arranged at the top of the bottom die (1), and the central axis of the top die (11) and the central axis of the bottom die (1) are on the same vertical straight line; the bottom mold core (3) comprises first casting grooves (9) and slag discharge grooves (10), two groups of first casting grooves (9) are arranged, and the two groups of first casting grooves (9) are respectively arranged at two ends of the bottom mold core (3); the four slag discharging grooves (10) are symmetrically arranged about the central axis of the bottom mold core (3), the four slag discharging grooves (10) are respectively arranged on two sides of the top of the bottom mold core (3), and one ends of the four slag discharging grooves (10) are communicated with the inside of the bottom mold core (3); the top die (11) comprises four sliding chutes (12), a pouring gate (13), top grooves (15), second fixing screws (16) and electric hydraulic push rods (17), the four sliding chutes (12) are symmetrically arranged relative to the central axis of the top die (11), and the four sliding chutes (12) are respectively in sliding connection with the four guide rods (8); the two pouring gates (13) are symmetrically arranged about the central axis of the top die (11), the two pouring gates (13) are respectively installed at two ends of the top die (11), the two pouring gates (13) respectively penetrate through the top of the top die (11) and are communicated with the two second pouring grooves (14), and the bottoms of the two second pouring grooves (14) respectively penetrate through the bottom of the top die (11) and are communicated with the two first pouring grooves (9); the top groove (15) is formed in the bottom of the top die (11), and the central axis of the top die (11) and the central axis of the top groove (15) are on the same vertical straight line; the number of the second fixing screws (16) is four, the four second fixing screws (16) are symmetrically arranged about the central axis of the top die (11), the four second fixing screws (16) are respectively arranged at two ends of the top die (11), and the four top dies (11) penetrate through the inner wall of the top groove (15); the electro-hydraulic push rod (17) is arranged at the top of the top die (11).

2. The high precision injection mold for automobile plastic parts according to claim 1, wherein: the bottom die (1) comprises four first fixing screws (4), a top plate (5) and guide rods (8), the four first fixing screws (4) are symmetrically arranged about the central axis of the bottom die (1), the four first fixing screws (4) are respectively installed at two ends of the bottom die (1), and the four first fixing screws (4) penetrate through the inner wall of the bottom groove (2); the top plate (5) is arranged at the bottom of the bottom groove (2); guide arm (8) be the symmetry about the axis of die block (1) and be provided with four, and four guide arm (8) are installed respectively in the diagonal of die block (1) top.

3. The high precision injection mold for automobile plastic parts according to claim 1, wherein: base (7) include spring (6), spring (6) be the symmetry formula about the axis of base (7) and be provided with four, and the top of four spring (6) all is connected with the bottom of roof (5), spring (6) and roof (5) constitute elevation structure simultaneously.