CN219171504U

CN219171504U - Core for reducing deformation of spray pipe die

Info

Publication number: CN219171504U
Application number: CN202223093732.9U
Authority: CN
Inventors: 曲文斌; 王博; 王玉斌; 骆征
Original assignee: Dalian Jinzhong Chemical Machinery Equipment Co ltd
Current assignee: Dalian Jinzhong Chemical Machinery Equipment Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-06-13
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a core for reducing the deformation of a spray pipe die, which comprises injection molding equipment and a die, wherein the injection molding equipment and the die are provided with a protection structure, and the protection structure comprises: the die comprises a fixed bottom bracket, a protective cover, a guide part and a supporting part, wherein the fixed bottom bracket is fixed at the lower end of the injection molding equipment through bolts and is connected with the outside of the die in a sleeved mode, the protective cover is connected to the injection molding equipment through the guide part, and the supporting part is arranged on the die. According to the utility model, the protective cover is sleeved at the lower end of the tube core, the plurality of reinforcing sleeve plates are arranged between the fixed bottom support and the protective cover, the tube core can be protected when the tube core moves downwards and can move downwards gradually, the butt joint convex layer is arranged at the bottom of the protective cover and can be connected in the injection molding opening, the condition that the tube core is misplaced is avoided, a good protection effect is achieved, and the practicability is stronger.

Description

Core for reducing deformation of spray pipe die

Technical Field

The utility model relates to the technical field of dies, in particular to a core for reducing deformation of a spray pipe die.

Background

Injection molding is a process used in mass production of parts of complex shape. Specifically, a heated and melted material is injected into a mold cavity under high pressure, and a molded product is obtained after cooling and solidification.

The injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions.

The injection mold consists of a movable mold and a fixed mold, wherein the movable mold is arranged on a movable mold plate of the injection molding machine, and the fixed mold is arranged on a fixed mold plate of the injection molding machine. The movable mould and the fixed mould are closed to form a pouring system and a cavity during injection molding, and the movable mould and the fixed mould are separated during mould opening so as to take out plastic products.

In the prior art injection molds, there are a class of articles in which an elongated hole is provided, and cores for forming the hole are easily bent and deformed during injection.

The device for preventing the slender mold core from deforming for the injection mold provided by the application number CN201520715151.5 has the advantages of effectively preventing the mold core from bending deformation, effectively improving the working efficiency of the injection mold, reducing the mold loss and the like.

However, the device has the following disadvantages: the front end structure is overlong, and does not possess bearing structure, in the in-process of inserting, the top also appears the condition of deformation easily, and the protection effect is relatively poor, has the drawback, consequently improves to above-mentioned problem.

Disclosure of Invention

In order to achieve the above purpose, the utility model adopts the technical scheme that the utility model provides a core for reducing the deformation of a spray pipe die, which comprises injection molding equipment and a die core, wherein the injection molding equipment and the die core are provided with protection structures;

the protection structure includes: the device comprises a fixed collet, a protective cover, a guide part and a supporting part;

the fixed collet is fixed at the lower end of the injection molding equipment through a bolt and is connected outside the tube core in a sleeved mode, the protective cover is connected to the injection molding equipment through the guide part, and the support part is arranged on the tube core.

Still further, the guide part includes: the device comprises a fixing frame, a guide rod, a sliding block and a buffer spring;

the fixing frame is fixed on two opposite end surfaces of the protective cover, the guide rod is fixed on the upper end surface of the fixing frame, the sliding block is fixed on the injection molding equipment and connected to the guide rod in a sliding sleeved mode, and the buffer spring is sleeved on the guide rod.

Still further, the support part includes: reinforcing sleeve plate and connecting spring;

the reinforcing sleeve plates are connected to the tube core in a sleeved mode, and the connecting springs are sleeved on the tube core and are located between the reinforcing sleeve plates.

Furthermore, the bottom surface of the protective cover is fixed with a butt convex layer.

Preferably, the cross section of the guide rod is in a circular structure.

Preferably, the reinforcing sleeve plate is made of heat-insulating materials.

Compared with the prior art, the utility model has the advantages and positive effects that the protective cover is sleeved at the lower end of the tube core, the plurality of reinforcing sleeve plates are arranged between the fixed collet and the protective cover, the tube core can be protected when the tube core moves downwards and can move downwards gradually by matching with the connecting spring, the butt joint convex layer is arranged at the bottom of the protective cover and can be connected in the injection molding opening, the condition that the tube core is misplaced is avoided, the good protection effect is achieved, and the practicability is stronger.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic view of a core structure for reducing deformation of a nozzle mold according to the present embodiment;

FIG. 2 is an enlarged partial view of a portion of a reinforcing sleeve plate of a core for reducing nozzle mold distortion provided in accordance with the present embodiment;

the figure shows: 1. an injection molding apparatus; 2. a die; 3. fixing the bottom support; 4. a protective cover; 5. a fixing frame; 6. a guide rod; 7. a sliding block; 8. a buffer spring; 9. reinforcing the sleeve plate; 10. a connecting spring; 11. and butting the convex layers.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

1-2 of the accompanying drawings in the specification show that the core for reducing the deformation of the spray pipe die comprises injection molding equipment 1 and a die core 2, wherein the injection molding equipment 1 and the die core 2 are provided with protection structures;

the protection structure includes: the fixing collet 3, the protective cover 4, the guide part and the supporting part;

the fixed collet 3 is fixed at the lower end of the injection molding equipment 1 through bolts and is connected with the outside of the tube core 2 in a sleeved mode, the protective cover 4 is connected to the injection molding equipment 1 through the guide part, and the support part is arranged on the tube core 2.

The guide part includes: the fixing frame 5, the guide rod 6, the sliding block 7 and the buffer spring 8;

the fixing frame 5 is fixed on two opposite end surfaces of the protective cover 4, the guide rod 6 is fixed on the upper end surface of the fixing frame 5, the sliding block 7 is fixed on the injection molding equipment 1 and connected to the guide rod 6 in a sliding sleeved mode, and the buffer spring is sleeved on the guide rod 6.

The support part includes: a reinforcing sleeve plate 9 and a connecting spring 10;

the reinforcing sleeve plates 9 are sleeved on the tube core 2, and the connecting springs 10 are sleeved on the tube core 2 and are positioned between the reinforcing sleeve plates 9.

From the above, it can be seen that: the bottom surface of the protective cover 4 is fixed with a butt joint convex layer 11 which is butt-jointed into the injection molding opening of the die.

From the above, it can be seen that: the cross section of the guide rod 6 is of a circular structure, so that the sliding effect is improved.

From the above, it can be seen that: the reinforcing sleeve plate 9 is made of heat insulation materials, so that the heat conduction effect is reduced, and the temperature of the tube core 2 is prevented from being reduced.

It should be pointed out that, in the specific implementation process, the protective cover 4 is propped against the injection mold, the butt joint convex layer 11 is inserted into the injection port, then the injection molding equipment 1 inserts the tube core 2 into the injection port downwards, the protection is supported and protected by the reinforcing sleeve plate 9 and the connecting spring 10 in the process, the deformation is avoided, and the protection is ensured to move linearly downwards by sliding the guide rod 6 and the sliding block 7.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The core for reducing the deformation of the spray pipe die comprises injection molding equipment (1) and a die core (2), and is characterized in that the injection molding equipment (1) and the die core (2) are provided with protection structures;

the protection structure includes: the device comprises a fixed collet (3), a protective cover (4), a guide part and a supporting part;

the fixing base (3) is fixed at the lower end of the injection molding equipment (1) through bolts and is connected with the outside of the tube core (2) in a sleeved mode, the protective cover (4) is connected to the injection molding equipment (1) through the guide part, and the support part is arranged on the tube core (2).

2. A core for reducing nozzle mold distortion as set forth in claim 1, wherein the guide comprises: a fixing frame (5), a guide rod (6), a sliding block (7) and a buffer spring (8);

the fixing frame (5) is fixed on two opposite end faces of the protective cover (4), the guide rod (6) is fixed on the upper end face of the fixing frame (5), the sliding block (7) is fixed on the injection molding equipment (1) and connected to the guide rod (6) in a sliding sleeved mode, and the buffer spring (8) is sleeved on the guide rod (6).

3. A core for reducing nozzle mold distortion as set forth in claim 1, wherein the support comprises: a reinforcing sleeve plate (9) and a connecting spring (10);

the reinforcing sleeve plates (9) are connected to the tube core (2) in a sleeved mode, and the connecting springs (10) are sleeved on the tube core (2) and located between the reinforcing sleeve plates (9).

4. A core for reducing nozzle mould deformation according to claim 1, characterized in that the bottom surface of the protective cover (4) is fixed with a butt-joint convex layer (11).

5. A core for reducing nozzle mould deformation according to claim 2, characterized in that the guide bar (6) has a circular cross-section.

6. A core for reducing nozzle mould deformation according to claim 3, characterized in that the reinforcing sleeve plate (9) is made of heat-insulating material.