CN209869273U - Injection mold of fan knob - Google Patents

Abstract

The utility model provides an injection mold for a fan knob. The injection mold for the fan knob consists of a movable mold seat plate, a push plate, a pad, a push rod fixing plate, a push rod, a support plate, a core, a movable template, a guide Column 1, pusher plate, guide sleeve 1, fixed mold seat plate, cavity, screw 1, sprue sleeve, gating system, screw 2, plastic parts, cooling water channel, guide post 2, short screw, long screw, guide sleeve two components. When working, the plastic is injected into the mold cavity through the sprue sleeve, cooled for a period of time, and the plastic part is formed; then the mold is opened, and under the action of the guide post 1, the movable mold seat plate, push plate, pad, push Rod fixing plate, push rod, support plate, core, movable template and push plate move downward, and plastic parts and pouring system condensate leave the cavity; finally, under the action of push plate, push rod and push plate, the The plastic part is pushed down from the core, and the plastic part is completely separated from the mold for easy removal.

Description

An injection mold for a fan knob

technical field

The utility model relates to an injection mold, in particular to an injection mold for a fan knob.

Background technique

Injection molding process refers to the process of making semi-finished parts of a certain shape from molten raw materials through operations such as pressurization, injection, cooling, and detachment. The injection molding process of plastic parts mainly includes mold closing-filling-(gas-assisted, water-assisted ) pressure-holding-cooling-mold-opening-demoulding and other six stages. Injection mold is a tool that is matched with plastic molding machine in the plastic processing industry and endows plastic products with complete configuration and precise size; due to the variety of plastics and processing methods, The structure of plastic molding machines and plastic products is different, so the types and structures of injection molds are also diverse. In recent years, the output and level of injection molds have developed rapidly, with high efficiency, automation, large size, and long life. , Precision molds account for an increasing proportion of mold output.

Plastic knob products are widely used in various home appliances because of their simple structure and convenient operation. However, the production of plastic parts is slow and the processing time is long, which has become a new problem in the processing of plastic parts. At the same time, there are problems such as low manufacturing precision and difficult removal of plastic parts in mold processing.

Contents of the invention

In order to overcome the shortcomings in the above-mentioned background technology, the utility model provides an injection mold for a fan knob, which can shorten the processing time and improve the processing accuracy, and can easily take out the plastic part of the knob from the injection mold.

The technical solution adopted by the utility model to solve the technical problem is an injection mold for a fan knob, which includes a movable mold base plate 1, a cushion block 3 on the movable mold base plate 1, a movable mold base plate 1, a cushion block 3, The support plate 6 and the movable formwork 8 are connected by long screws 22, and the push plate 2 is also fixed on the movable formwork seat plate 1; the guide column 2 20 and the guide sleeve 1 11 are arranged between the push plate 2 and the push rod fixing plate 4 , and connected by short screws 21, the push rod fixing plate 4, the support plate 6 and the movable template 8 are connected through the push rod 5; the core 7 is fixed between the movable template 8 and the pusher plate 10, the movable template 8, the pusher A guide post 9 is provided between the piece plate 10 and the cavity 13, a guide sleeve 11 is provided between the guide post 9 and the cavity 13, a screw 17 is connected between the fixed mold seat plate 12 and the cavity 13, and the gate The sleeve 15 is fixed on the fixed mold seat plate 12 by a screw one 14; a cooling channel 19 is arranged in the pusher plate 10 and the cavity 13 .

Working process and advantages: fix the movable mold seat plate and the fixed mold seat plate on the injection molding machine, inject the molten plastic into the mold cavity through the sprue sleeve during work, cool for a period of time, and form the plastic part; then the mold is opened Mold, under the action of guide post 1, the movable mold seat plate, push plate, spacer, push rod fixed plate, push rod, support plate, core, movable template and push piece plate move downward, plastic parts and pouring system The condensed material is separated from the cavity; finally, under the action of the push plate, push rod and push plate, the plastic part is pushed down from the core, and the plastic part is completely separated from the mold, which is convenient to take out.

Description of drawings

Fig. 1 is a half-section front view of an injection mold assembly drawing of a fan knob of the present invention;

Fig. 2 is a half-section left view of an injection mold assembly drawing of a fan knob of the present invention;

In Fig. 1 and Fig. 2, 1. movable mold seat plate, 2. push plate, 3. pad, 4. push rod fixed plate, 5. push rod, 6. support plate, 7. core, 8. movable template, 9. Guide column 1, 10. Pusher plate, 11. Guide sleeve 1, 12. Fixed mold seat plate, 13. Cavity, 14. Screw 1, 15. Sprue sleeve, 16. Pouring system, 17. Screw 2 , 18. Plastic parts, 19. Cooling water channel, 20. Two guide posts, 21. Short screws, 22. Long screws, 23. Two guide sleeves.

Detailed ways

In order to make the purpose, advantages and technical solutions of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings.

Referring to Fig. 1 and Fig. 2, an injection mold of a fan knob of the utility model includes a movable mold base plate 1, a cushion block 3 is arranged on the movable mold base plate 1, a movable mold base plate 1, a cushion block 3, a support plate 6 and a movable mold base plate 1. The templates 8 are connected by long screws 22, and the push plate 2 is fixed on the movable mold seat plate 1; the guide column 2 20 and the guide sleeve 1 11 are arranged between the push plate 2 and the push rod fixing plate 4, and are connected by short screws 21 connection, push rod fixed plate 4, support plate 6 and movable template 8 are connected through push rod 5; core 7 is fixed between movable template 8 and pusher plate 10, movable template 8, pusher plate 10 and mold A guide post 9 is provided between the cavities 13, a guide sleeve 11 is provided between the guide post 9 and the cavity 13, the fixed mold seat plate 12 and the cavity 13 are connected by a screw 2 17, and the sprue sleeve 15 is connected by a screw 1 14 is fixed on the fixed mold seat plate 12; a cooling channel 19 is arranged in the push piece plate 10 and the cavity 13.

When working, the injection molding machine injects molten plastic into the mold cavity through the sprue sleeve 15. After pressure maintaining, cooling, solidification and other processes, the nozzle of the injection molding machine moves backward to open the mold; during the mold opening process, The fixed mold seat plate 12, the cavity 13 and the sprue sleeve 15 are fixed, the movable mold seat plate 1, the push plate 2, the spacer 3, the push rod fixed plate 4, the push rod 5, the support plate 6, the core 7, The movable template 8, the pusher plate 10, the gating system 16 and the plastic part 18 move downward, and the movable and fixed mold will be parted along the parting surface, so that the gating system 16 and the plastic part 18 are released from the sprue bushing 15 and the cavity 13. Fall off; the movable mold seat plate 1, spacer 3, support plate 6, core 7 and movable template 8 then move downwards, and the push plate 2, push rod fixing plate 4, push rod 5 and push piece plate 10 no longer move , under the action of relative motion, the push plate 2 pushes the push plate 10 through the push rod 5, pushes the plastic part 18 from the core 7, completely separates the plastic part 18 from the mold, and completes the mold opening action, which is convenient for molding take out.

Claims (2)

1. An injection mold of a fan knob is composed of a movable mold base plate (1), a push plate (2), a cushion block (3), a push rod fixing plate (4), a push rod (5), a supporting plate (6), a mold core (7), a movable mold plate (8), a first guide pillar (9), a push plate (10), a first guide sleeve (11), a fixed mold base plate (12), a cavity (13), a first screw (14), a sprue bush (15), a pouring system (16), a second screw (17), a plastic part (18), a cooling water channel (19), a second guide pillar (20), a short screw (21), a long screw (22) and a second guide sleeve (23), and is characterized in that the first guide pillar (9) is arranged, the movable mold plate (8) and the push plate (10) move downwards along the first guide pillar (9) when the mold is opened, and the pouring system (16) and the plastic part (18) are convenient to separate from the cavity (13) and; the push plate (2), the push rod fixing plate (4), the push rod (5) and the piece pushing plate (10) are arranged, so that the plastic piece (18) can be pushed out of the mold core (7), and the plastic piece can be taken out conveniently.

2. The injection mold for the fan knob according to claim 1, wherein: the injection molding die opening device is provided with the push plate (2), the push rod fixing plate (4), the push rod (5), the guide pillar I (9) and the part pushing plate (10), so that the injection molding die opening action is simple and easy to operate, the surface precision of a plastic part is improved, and the plastic part is convenient to take out.