CN216860429U

CN216860429U - Refrigerator switch box injection mold convenient to ejection of compact

Info

Publication number: CN216860429U
Application number: CN202123174006.5U
Authority: CN
Inventors: 王维
Original assignee: Hefei Hongchang Precision Machinery Technology Co ltd
Current assignee: Hefei Hongchang Precision Machinery Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-07-01
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses an injection mold for a refrigerator switch box which is convenient for discharging. The upper template is connected with a positioning ring at the injection port, and the hollow groove is located on the side away from the upper template with a lower template, the lower template is connected with the upper template through a guide column, and a mold cavity is opened in the lower template. A female mold component is arranged in the mold cavity, and a cutting component is arranged outside one side of the female mold component. In the present invention, the female mold is divided into a template 1 and a template 2 so as to facilitate demoulding, before the mold is split. , the cutting hole on the cutter removes the material head by dislocating it from the feeding hole, and then the sliding part on the left side of the cutter drives the movable column to move, thereby demoulding the workpiece, which simplifies the way of removing the material head and simplifies the operate.

Description

Refrigerator switch box injection mold convenient to ejection of compact

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold for a refrigerator switch box, which is convenient for discharging.

Background

Injection molding is a method for producing and molding industrial products, and the products generally use rubber injection molding and plastic injection molding, and the injection molding can also be divided into injection molding die pressing method and die casting method, an injection molding machine (injection machine or injection molding machine for short) is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, the injection molding is realized by the injection molding machine and the die, and the injection molding needs an injection mold corresponding to the products.

During the preparation of current refrigerator switch box, most of them are through injection mold injection moulding to need injection mold when producing refrigerator switch box, current injection mold is at the in-process that uses, and the refrigerator switch box after the shaping drawing of patterns back can have the stub bar, and the mode of most of getting rid of the stub bar needs the manual work cutting after the drawing of patterns, and the operation is comparatively troublesome.

Therefore, the refrigerator switch box injection mold convenient for discharging is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold for a refrigerator switch box, which is convenient for discharging, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a refrigerator switch box injection mold convenient to ejection of compact, includes the base, the dead slot has been seted up in the base, the dead slot in-connection has the cope match-plate pattern, the mouth of moulding plastics has been seted up to cope match-plate pattern one side, the cope match-plate pattern is located the mouth of moulding plastics and is connected with the position circle, the dead slot is located keeps away from cope match-plate pattern one side and is provided with the lower bolster, the lower bolster passes through the guide post with the cope match-plate pattern and is connected, the die cavity has been seted up in the lower bolster, be provided with the master model subassembly in the die cavity, master model subassembly one side is provided with the cutting subassembly outward.

Preferably, the female die assembly further comprises a first die plate, one side of the first die plate is connected with a second die plate, the outer walls of the first die plate and the second die plate are both connected with movable columns, and the movable columns are located in the die cavity and are provided with springs.

Preferably, the cutting assembly further comprises a cutter, the cutter is connected with the movable column in a sliding mode, a limiting ring is arranged at one end of the movable column, a sliding groove is formed in the position, located at the cutter, of the lower template and the template, and a butting groove is formed in the two surfaces of the template.

Preferably, the cutter left end is the sliding part, sliding part one side is connected with the connecting portion that are used for the hydro-cylinder to connect, the sliding part top is provided with cutter portion, cutter portion surface runs through and is provided with the cutting hole, the cutting hole cross section is isosceles trapezoid.

Preferably, the cutter is flush with the surface of the lower template, and a cutter part in the cutter is made of high-carbon steel.

The utility model has at least the following beneficial effects: the external oil cylinder (not shown in the figure) drives the cutter to move outwards, in the moving process of the cutter, the stub bar of a workpiece in the feeding hole is removed firstly until the sliding part of the cutter is contacted with the movable column limiting ring, and at the moment, the movable column is driven to separate the first template from the second template, so that the purpose of demolding is achieved, compared with the prior art, most of the stub bar removing modes need manual cutting after demolding and are troublesome in operation because the existing refrigerator switch box is manufactured by injection molding through an injection mold, so that the injection mold is needed when the refrigerator switch box is produced, in the using process of the existing injection mold, the molded refrigerator switch box can have the stub bar after demolding, and most of the stub bar removing modes need manual cutting after demolding, then the sliding part on the left side of the cutter drives the movable column to move, so that the workpiece is demoulded, the mode of removing the stub bar is simplified, and the operation is simplified.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a view of another embodiment of the present invention;

FIG. 3 is a front cross-sectional structural view of the present invention.

In the figure: 1-a base; 2, mounting a template; 3-a positioning ring; 4, a lower template; 5-a guide post; 6-a female die assembly; 7-a cutting assembly; 61-template one; 62-template two; 63-a movable column; 64-a spring; 71-a cutter; 711-a sliding part; 712-a connecting portion; 713-cutter portion; 72-cutting a hole; 73-a chute; 74-abutment groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a refrigerator switch box injection mold convenient to ejection of compact, includes base 1, the dead slot has been seted up in base 1, dead slot in-connection has cope match-plate pattern 2, the mouth of moulding plastics has been seted up on 2 right sides of cope match-plate pattern, cope match-plate pattern 2 is located injection gate department fixedly connected with position circle 3, the dead slot is located keeps away from 2 one sides of cope match-plate pattern and is provided with lower bolster 4, lower bolster 4 is connected through guide post 5 with cope match-

plate pattern

2, and 5 left ends of guide post fixed connection in 4 right sides outer walls of lower bolster, cope match-

plate pattern

2 and 5 sliding connection of guide post, it has the die cavity to open in the lower bolster 4, be provided with master model subassembly 6 in the die cavity, master model subassembly 6 one side is provided with cutting assembly 7 outward, can accomplish before the work piece drawing of patterns and get rid of the stub bar through cutting assembly 7 to convenient operation.

The female die assembly 6 further comprises a first die plate 61, one side of the first die plate 61 is attached with a second die plate 62, the outer walls of the first die plate 61 and the second die plate 62 are fixedly connected with movable columns 63, the movable columns 63 are located in the die cavity and provided with springs 64, the first die plate 61 and the second die plate 62 can be separated by moving the movable columns 63, and therefore the injection-molded and cooled workpiece is demoulded.

The cutting assembly 7 further comprises a cutter 71, the cutter 71 is slidably connected with the movable column 63, one end of the movable column 63 is provided with a limiting ring, the limiting ring can limit the stroke of the cutter 71 in moving, the lower template 4 and the template I61 are located at the cutter 71 and provided with a sliding groove 73, the cutter 71 is slidably connected with the sliding groove 73, a butt joint groove 74 is formed in the surface of the second template 62, the stroke of the cutter 71 can be controlled by the butt joint groove 74, and therefore when the cutter 71 and the butt joint groove 74 coincide, the cutting hole 72 and the feeding port of the cutter are right aligned to the cutter, and injection molding is facilitated.

The left end of the cutter 71 is a sliding part 711, one side of the sliding part 711 is connected with a connecting part 712 for connecting an oil cylinder, the top of the sliding part 711 is provided with a cutter part 713, the surface of the cutter part 713 is provided with a cutting hole 72 in a penetrating manner, the cross section of the cutting hole 72 is isosceles trapezoid, thermoplastic plastic is injected into an injection hole of the upper template 2 through the positioning ring 3, then the upper template 2 is separated from the lower template 4 after cooling, the cutter 71 is driven to move outwards through an external oil cylinder (not shown in the figure), in the moving process of the cutter, the stub bar of a workpiece in a feeding port is removed firstly until the sliding part 711 of the cutter 71 is contacted with a limiting ring of the movable column 63, and at the moment, the movable column 63 is driven to separate the first template 61 from the second template 62, so that the purpose of demoulding is achieved, by adopting the design, the master mould is divided into the first template 61 and the second template 62, so that demoulding is convenient, and before mould division, the stub bar is removed through the mode that the cutting hole 72 on the cutter 71 is staggered with the feeding hole, then the sliding part 711 on the left side of the cutter 71 drives the movable column 63 to move, and therefore the workpiece is demoulded, the mode of removing the stub bar is simplified, and operation is simplified.

The cutter 71 is flush with the surface of the lower template 4, the cutter 71 is flush with the lower template 4, the upper template 2 and the lower template 4 are convenient to be attached to each other, the cutter part 713 in the cutter 71 is made of high-carbon steel, and the stub bar can be effectively removed through the cutter 71 made of the high-carbon steel.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a refrigerator switch box injection mold convenient to ejection of compact which characterized in that: including base (1), the dead slot has been seted up in base (1), dead slot in-connection has cope match-plate pattern (2), the mouth of moulding plastics has been seted up to cope match-plate pattern (2) one side, cope match-plate pattern (2) are located the mouth of moulding plastics and are connected with position circle (3), the dead slot is located to keep away from cope match-plate pattern (2) one side and is provided with lower bolster (4), lower bolster (4) are connected through guide post (5) with cope match-plate pattern (2), seted up the die cavity in lower bolster (4), be provided with master model subassembly (6) in the die cavity, master model subassembly (6) one side is provided with cutting assembly (7) outward.

2. The refrigerator switch box injection mold convenient for discharging as claimed in claim 1, wherein: the female die assembly (6) further comprises a first die plate (61), one side of the first die plate (61) is connected with a second die plate (62), movable columns (63) are connected to the outer walls of the first die plate (61) and the second die plate (62), and springs (64) are arranged in the movable columns (63) and located in the die cavity.

3. The refrigerator switch box injection mold convenient for discharging as claimed in claim 2, wherein: the cutting assembly (7) further comprises a cutter (71), the cutter (71) is connected with the movable column (63) in a sliding mode, a limiting ring is arranged at one end of the movable column (63), the lower template (4) and the first template (61) are located at the cutter (71) and provided with a sliding groove (73), and a butt joint groove (74) is formed in the surface of the second template (62).

4. The refrigerator switch box injection mold convenient for discharging as claimed in claim 3, wherein: the left end of the cutter (71) is a sliding part (711), one side of the sliding part (711) is connected with a connecting part (712) for connecting an oil cylinder, the top of the sliding part (711) is provided with a cutter part (713), the surface of the cutter part (713) is provided with a cutting hole (72) in a penetrating mode, and the cross section of the cutting hole (72) is in an isosceles trapezoid shape.

5. The refrigerator switch box injection mold convenient for discharging as claimed in claim 4, wherein: the cutter (71) is flush with the surface of the lower template (4), and a cutter part (713) in the cutter (71) is made of high-carbon steel.