CN222096832U

CN222096832U - Outer cover die for multi-station injection molding

Info

Publication number: CN222096832U
Application number: CN202420733391.7U
Authority: CN
Inventors: 王大军
Original assignee: Zhuhai Liwei Precision Mould Co ltd
Current assignee: Zhuhai Liwei Precision Mould Co ltd
Priority date: 2024-04-10
Filing date: 2024-04-10
Publication date: 2024-12-03
Anticipated expiration: 2034-04-10

Abstract

The utility model discloses a multi-station injection molding outer cover die which comprises a base and a fixing plate, wherein a lower die is arranged at the top of the base, an upper die is arranged at the top of the lower die, the fixing plate is fixedly arranged in the lower die, a plurality of outer cover dies which are uniformly distributed are arranged at the top of the fixing plate, a plurality of outer cover grooves which are used for being matched with the outer cover dies to be injection molded into the outer cover are arranged in the upper die, a demolding assembly which is used for demolding the outer cover after injection molding is arranged on the inner surface of the lower die, and a plurality of groups of outer cover dies and outer cover grooves are arranged.

Description

Outer cover die for multi-station injection molding

Technical Field

The utility model belongs to the technical field of outer cover injection molding, and particularly relates to an outer cover die for multi-station injection molding.

Background

Injection molding is a method for producing shapes of industrial products, and rubber injection molding and plastic injection molding are generally used for outer covers in processing, and molding equipment for forming outer cover shapes is used for manufacturing thermoplastic plastics or thermosetting materials by using an injection molding die.

At present, when injection molding is carried out on an outer cover by an injection mold, the heated and melted plastic is injected into a mold cavity at high pressure by an injection molding machine and is cooled and solidified to obtain a formed product, but after one piece of injection is completed in the use process, the plastic injected into the mold cavity needs to be cooled and solidified, the mold cavity is removed to take away the solidified formed product to carry out the next injection molding, the internal structure of the molding cavity of some injection molding molds is complex, after the outer cover is molded, the outer cover is often attached or clamped in the molding cavity of the mold, and auxiliary demolding is usually needed to be carried out by using a tool manually, so that the efficiency of the injection molding of the outer cover is greatly reduced, and the defect of lower efficiency in the injection molding process of the outer cover is caused.

Disclosure of utility model

The utility model aims to provide a multi-station injection molding outer cover die, which solves the problems in the prior art.

In order to achieve the above purpose, the utility model provides a multi-station injection molding outer cover die, which comprises:

the base is provided with a lower die at the top, and an upper die is arranged at the top of the lower die;

the fixed plate, the fixed plate is fixed to be located in the bed die, the fixed plate top is equipped with the enclosing cover mould of a plurality of equipartitions, be equipped with a plurality of enclosing cover grooves that are used for cooperating the enclosing cover mould to mould plastics into the enclosing cover in the last mould, the bed die internal surface is equipped with the drawing of patterns subassembly that is used for carrying out the drawing of patterns to the enclosing cover after the injection moulding, through the ejector pin of drawing of patterns subassembly is ejecting the enclosing cover after with the shaping to make the enclosing cover follow enclosing cover mould surface drawing of patterns.

Preferably, the demolding assembly comprises a cylinder, the cylinder is provided with a plurality of groups and is arranged at the bottom of the fixing plate, an output shaft of the cylinder is connected with the fixing plate, and the ejector rod is arranged at the top of the fixing plate, and the other end of the ejector rod extends into the outer cover mold and movably penetrates through the top of the outer cover mold.

Preferably, the lower die and the upper die are respectively internally provided with a cooling pipe, both ends of the cooling pipes are respectively provided with a water inlet and a water outlet, and the injection molded outer cover is cooled and molded by cooling water flowing in the cooling pipes.

Preferably, the surfaces of the lower die and the upper die are both sheathed with a plurality of guide sliding rods in a sliding way, the surfaces of the lower die and the upper die are both provided with a plurality of sliding blocks, and the sliding blocks on the surfaces of the lower die and the upper die are both in sliding connection with sliding grooves formed in the surfaces of the fixing strips.

Preferably, the surface of the base is provided with a plurality of guide rods, the other ends of the guide rods movably penetrate through the lower die, springs are sleeved on the surfaces of the guide rods, and two ends of each spring are fixedly connected with the base and the lower die respectively.

Preferably, the top of the upper die is provided with a top cover, the surface of the top cover and the top of the outer cover groove are provided with injection molding pipes, one ends of the injection molding pipes are communicated with the injection molding channels in the upper die, and the other ends of the injection molding channels are communicated with the outer cover groove.

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

(1) The heated and melted plastic is injected into the injection molding pipe arranged on the surface of the top cover, flows into the injection molding channel of the upper mold through the injection molding pipe, flows into the lower mold, the outer cover mold of the upper mold and the outer cover groove from the injection molding channel, is molded into the shape of the outer cover, and is injected into the water inlet of the cooling pipe with cooling water, so that the cooling water flows in the cooling pipe to cool and mold the outer cover after injection molding, and the cooling water flows in the cooling pipe to be discharged through the water outlet after flowing for one circle, thereby forming cooling circulation to accelerate the cooling molding of the outer cover after injection molding, and a plurality of groups of outer cover molds and outer cover grooves are arranged, so that when the outer cover is molded through the molds, a plurality of groups of outer covers are molded through one-time injection molding, and the efficiency of the outer cover injection molding is greatly improved.

(2) After the outer cover is formed by injection molding of the outer cover molds and the outer cover grooves, the cylinder can be started to work, the output shaft of the cylinder pushes the fixing plate upwards to move, and the fixing plate moves to drive the ejector rods to move in the outer cover molds, so that the ejector rods jack up the outer cover positioned after the surface forming of the outer cover molds when moving in the outer cover molds, the outer cover is separated from the outer cover molds, demolding is finished, the outer cover can be conveniently and once released, and the demolding efficiency of the outer cover after injection molding is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a schematic view of the structure of the present utility model at a first view angle;

FIG. 4 is a schematic view of the structure of the second view of the present utility model;

FIG. 5 is a schematic view of the structure of the upper mold of the present utility model;

fig. 6 is a side view of the upper die of the present utility model.

1, A base, 2, a lower die, 3, an upper die, 4, a fixed plate, 5, an outer cover die, 6, an outer cover groove, 8, a push rod, 9, a cylinder, 10, a cooling pipe, 11, a water inlet, 12, a water outlet, 13, a guide slide rod, 14, a slide block, 15, a fixed bar, 16, a slide groove, 17, a guide rod, 18, a spring, 19, an injection molding pipe, 20, a top cover, 21 and an injection molding channel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides a multi-station injection molded outer cover mold as shown in fig. 1-6, comprising:

The base 1, the top of the base 1 is provided with a lower die 2, and the top of the lower die 2 is provided with an upper die 3;

The fixed plate 4, fixed plate 4 is fixed locate in the bed die 2, the fixed plate 4 top is equipped with the enclosing cover mould 5 of a plurality of equipartitions, be equipped with a plurality of enclosing cover grooves 6 that are used for cooperating the enclosing cover mould 5 to mould plastics into the enclosing cover in the last mould 3, bed die 2 internal surface is equipped with the drawing of patterns subassembly that is used for carrying out the drawing of patterns to the enclosing cover after the injection moulding, through the ejector pin 8 of drawing of patterns subassembly is ejecting the enclosing cover after with the shaping to make the enclosing cover follow enclosing cover mould 5 surface drawing of patterns.

The demoulding assembly 7 comprises a cylinder 9, the cylinder 9 is provided with a plurality of groups, the groups are all arranged at the bottom of the fixed plate 4, the output shaft of the cylinder 9 is connected with the fixed plate 4, the ejector rod 8 is arranged at the top of the fixed plate 4, the other end of the ejector rod 8 extends into the outer cover mould 5 and movably penetrates through the top of the outer cover mould 5, the ejector rod 8 jacks up the outer cover positioned after the surface of the outer cover mould 5 is formed in the outer cover mould 5, and the outer cover is separated from the outer cover mould 5, so that demoulding is completed.

The lower die 2 and the upper die 3 are respectively provided with a cooling pipe 10, two ends of the cooling pipe 10 are respectively provided with a water inlet 11 and a water outlet 12, cooling water is injected into the cooling pipe 10 through the water inlet 11, and the cooling water flows in the cooling pipe 10 for one circle and is discharged through the water outlet 12, so that a cooling cycle is formed.

The sliding guide device is characterized in that a plurality of guide sliding rods 13 are sleeved on the surfaces of the lower die 2 and the upper die 3 in a sliding manner, a plurality of sliding blocks 14 are arranged on the surfaces of the lower die 2 and the upper die 3, the sliding blocks 14 on the surfaces of the lower die 2 and the upper die 3 are connected with sliding grooves 16 formed in the surfaces of the fixing strips 15 in a sliding manner, and the sliding blocks 14 formed in the surfaces of the lower die 2 and the upper die 3 in a sliding manner can move the door in the sliding grooves 16 formed in the surfaces of the fixing strips 15 in a moving manner, so that the moving direction of the lower die 2 and the upper die 3 is guided, and the moving stability of the lower die 2 and the upper die 3 is enhanced.

The surface of the base 1 is provided with a plurality of guide rods 17, the other ends of the guide rods 17 movably penetrate through the lower die 2, springs 18 are sleeved on the surfaces of the guide rods 17, two ends of each spring 18 are fixedly connected with the base 1 and the lower die 2 respectively, and the guide rods 17 guide the lower die 2 during movement and strengthen the movement stability of the lower die 2.

The top of the upper die 3 is provided with a top cover 20, the surface of the top cover 20 and the top of the outer cover groove 6 are provided with injection molding pipes 19, one ends of the injection molding pipes 19 are communicated with an injection molding channel 21 in the upper die 3, the other ends of the injection molding channels 21 are communicated with the outer cover groove 6, heated and melted plastics respectively flow into the injection molding channels 21 of the upper die 3 through the injection molding pipes 19, and flow into the outer cover die 2 of the upper die 3 and the outer cover die 5 and the outer cover groove 6 from the injection molding channels 21, so that the injection molding of the outer cover is completed.

This multi-station injection molding's enclosing cover mould, through in the injection molding pipe 19 that will be heated the plastics injection cap 20 surface was equipped with, heated the plastics that melts flows respectively in the injection molding passageway 21 of mould 3 through injection molding pipe 19, and in the outer cover mould 5 and the enclosing cover groove 6 of downflow mould 2 and last mould 3 from injection molding passageway 21, the profile of enclosing cover is moulded into through outer cover mould 5, the shape of enclosing cover is moulded into to the enclosing cover groove 6, thereby accomplish the injection molding to the enclosing cover, and pour into cooling water into the water inlet 11 of cooling tube 10, make the cooling water flow in cooling tube 10 and cool down the shaping to the enclosing cover after moulding plastics, and the cooling water flows the round back in cooling tube 10 and is discharged through delivery port 12, thereby form cooling cycle and accelerate the cooling shaping after the enclosing cover is moulded plastics, and through setting up multiunit outer cover mould 5 and enclosing cover groove 6, when can make the enclosing cover through the mould injection molding, disposable injection molding process multiunit enclosing cover, thereby the efficiency of enclosing cover injection molding is greatly improved.

After the outer cover is formed by injection molding of the outer cover grooves 6 and the outer cover is cooled, the upper die 3 is moved on the surface of the guide sliding rod 13 by a tool, so that the upper die 3 moves towards one end far away from the lower die 2, the lower die 2 can be moved on the surface of the guide sliding rod 13 by the tool, so that the lower die 2 moves towards one end far away from the upper die 3, the upper die 3 and the lower die 2 are separated, the cylinder 9 can be started to work at the moment, the output shaft of the cylinder 9 pushes the fixing plate 4 upwards to move, the fixing plate 4 drives the ejector rods 8 to move towards the inner part of the outer cover die 5 when moving, and accordingly the ejector rods 8 jack up the outer cover positioned after the surface forming of the outer cover die 5 when moving towards the inner part of the outer cover die 5, so that the outer cover is separated from the outer cover die 5, and demolding is finished, the plurality of groups of outer covers can be demolded conveniently and once, and demolding efficiency of the outer cover after injection molding is greatly improved.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims

1. A multi-station injection molded outer cover mold, comprising:

The base (1), the top of the base (1) is provided with a lower die (2), and the top of the lower die (2) is provided with an upper die (3);

The fixed plate (4), fixed locating in bed die (2) fixed plate (4), fixed plate (4) top is equipped with enclosing cover mould (5) of a plurality of equipartitions, be equipped with a plurality of enclosing cover grooves (6) that are used for cooperation enclosing cover mould (5) to mould plastics into the enclosing cover in last mould (3), bed die (2) internal surface is equipped with the drawing of patterns subassembly that is used for carrying out the drawing of patterns to the enclosing cover after the injection moulding, through drawing of patterns subassembly ejector pin (8) is ejecting the enclosing cover after with the shaping to make enclosing cover follow enclosing cover mould (5) surface drawing of patterns.

2. The multi-station injection molding outer cover die according to claim 1, wherein the demolding assembly (7) comprises air cylinders (9), the air cylinders (9) are provided with a plurality of groups and are all arranged at the bottom of the fixed plate (4), output shafts of the air cylinders (9) are connected with the fixed plate (4), the ejector rods (8) are arranged at the top of the fixed plate (4), and the other ends of the ejector rods (8) extend into the outer cover die (5) and movably penetrate through the top of the outer cover die (5).

3. The multi-station injection molding outer cover die as set forth in claim 1, wherein the lower die (2) and the upper die (3) are respectively provided with a cooling pipe (10), and two ends of the cooling pipe (10) are respectively provided with a water inlet (11) and a water outlet (12).

4. The multi-station injection molding outer cover die as claimed in claim 1, wherein the surfaces of the lower die (2) and the upper die (3) are respectively sleeved with a plurality of guide sliding rods (13) in a sliding manner, the surfaces of the lower die (2) and the upper die (3) are respectively provided with a plurality of sliding blocks (14), and the sliding blocks (14) on the surfaces of the lower die (2) and the upper die (3) are respectively connected with sliding grooves (16) arranged on the surfaces of the fixing strips (15) in a sliding manner.

5. The multi-station injection molding outer cover die as claimed in claim 1, wherein a plurality of guide rods (17) are arranged on the surface of the base (1), the other ends of the guide rods (17) movably penetrate through the lower die (2), springs (18) are sleeved on the surfaces of the guide rods (17), and two ends of each spring (18) are fixedly connected with the base (1) and the lower die (2) respectively.

6. The multi-station injection molding outer cover die according to claim 1, wherein a top cover (20) is arranged at the top of the upper die (3), an injection molding pipe (19) is arranged on the surface of the top cover (20) and positioned at the top of the outer cover groove (6), one end of the injection molding pipe (19) is communicated with an injection molding channel (21) in the upper die (3), and the other end of the injection molding channel (21) is communicated with the outer cover groove (6).