CN216373105U

CN216373105U - Injection mold for household appliance shell

Info

Publication number: CN216373105U
Application number: CN202122098735.0U
Authority: CN
Inventors: 陈金国
Original assignee: Qingdao Jinduo Mould Co ltd
Current assignee: Qingdao Jinduo Mould Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-04-26
Anticipated expiration: 2031-09-01

Abstract

The utility model relates to the technical field of injection molds, in particular to an injection mold for a household appliance shell, which adopts the technical scheme that: the hydraulic cylinder is fixedly connected to the middle of the bottom plate, a piston is slidably connected to the middle of the hydraulic cylinder, a hydraulic column is fixedly connected to one side of the piston, a lower module is fixedly connected to the other end of the hydraulic column, a sliding groove is formed in the periphery of the lower end of the lower module in a penetrating mode, a rubber pad is slidably connected to the inner wall of the sliding groove, a discharging plate is fixedly connected to the upper end of the rubber pad, supporting columns are fixedly connected to the upper end of the bottom plate and are fixedly connected to two sides of the hydraulic column respectively, and the hydraulic cylinder comprises a base plate, a piston rod and a piston, wherein the piston is fixedly connected to the middle of the base plate, the lower module is fixedly connected to the lower module in a penetrating mode, the sliding groove is formed in the periphery of the lower module, the rubber pad is slidably connected to the inner wall of the sliding groove, the discharging plate is fixedly connected to the upper end of the base plate, the hydraulic cylinder is fixedly connected to two sides of the hydraulic column, and the hydraulic cylinder is fixedly connected to the middle of the hydraulic cylinder: be provided with hydraulic means and play flitch, can realize making things convenient for the drawing of patterns of work piece, easily going on of continuous production, and be provided with heat abstractor at the lateral wall of last module, guarantee the fashioned quality of mould and accelerate the shaping of mould.

Description

Injection mold for household appliance shell

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold for a household appliance shell.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used for batch production of parts with complex shapes, and particularly relates to a method for injecting heated and molten plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

However, when the existing device is used, the upper die and the lower die are easy to dislocate, so that the product forming effect is poor, the workpiece in the die is cooled and formed slowly, the production efficiency is low, the demolding is inconvenient, manual demolding is needed, the workpiece is tightly attached to the die after being formed, and the manual demolding is very troublesome.

Therefore, it is necessary to develop an injection mold for a housing of a home appliance.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an injection mold for a household appliance shell, which solves the problems of manual demolding trouble, dislocation of mold closing and the like through the arranged hydraulic device and the guide column.

In order to achieve the above purpose, the utility model provides the following technical scheme: an injection mold for household appliance shells comprises a bottom plate, wherein the middle part of the bottom plate is fixedly connected with a hydraulic cylinder, the middle part of the hydraulic cylinder is connected with a piston in a sliding manner, one side of the piston is fixedly connected with a hydraulic column, the other end of the hydraulic column is fixedly connected with a lower module, the periphery of the lower end of the lower module is provided with a sliding chute in a penetrating manner, the inner wall of the sliding chute is connected with a rubber pad in a sliding manner, and the upper end of the rubber pad is fixedly connected with a discharge plate;

the upper end fixedly connected with support column of bottom plate, the support column is fixed connection respectively in the both sides of hydraulic column.

Preferably, both sides of the upper end of the bottom plate are fixedly connected with protection plates, and the upper ends of the protection plates are fixedly connected with upper modules.

Preferably, the upper end of the upper module is provided with an injection molding hole in a penetrating manner, the middle of the upper module is provided with an upper mold, and the lower end of the upper module is fixedly connected with a guide post.

Preferably, the middle parts of the two sides of the upper module are fixedly connected with breathable steel, one side of the breathable steel is fixedly connected with a heat dissipation plate, and the middle part of the heat dissipation plate is provided with heat dissipation holes in a penetrating mode.

Preferably, the middle part of lower module is provided with the guide way by running through, the middle part of lower module is provided with the bed die, the both sides of lower module are provided with the bar spout.

Preferably, the inner wall of the protection plate is fixedly connected with a strip-shaped sliding block.

Preferably, the periphery of the lower end of the bottom plate is fixedly connected with a supporting pad.

Preferably, the upper end of the bottom plate is fixedly connected with four support columns.

The utility model has the beneficial effects that:

1. the automatic demolding device is arranged, and automatic demolding is completed through the up-and-down sliding of the lower module, so that the demolding speed is increased, and the allocation of personnel is reduced;

2. the utility model is provided with the guide groove and the guide post, and the guide post and the guide groove are mutually matched, so that the upper module and the lower module are ensured not to be closed and dislocated, and the quality of a product is improved;

3. the sliding device is provided with the strip-shaped sliding groove and the strip-shaped sliding block which are matched with each other, so that the lower die block is prevented from inclining up and down, and the sliding efficiency is increased;

4. the utility model has simple structure and convenient operation, saves a large number of complicated steps and greatly improves the working efficiency.

Drawings

Fig. 1 is a sectional view of an injection mold for a home appliance housing according to the present invention;

fig. 2 is a three-dimensional schematic view of a lower module of the injection mold for the housing of the household electrical appliance provided by the utility model;

fig. 3 is a three-dimensional schematic view of an injection mold for a housing of a household electrical appliance according to the present invention;

fig. 4 is a top view of a bottom plate of an injection mold for a housing of a household electrical appliance according to embodiment 1 of the present invention;

fig. 5 is a top view of a bottom plate of an injection mold for a housing of a household electrical appliance according to embodiment 2 of the present invention.

In the figure: 1. a bar-shaped slider; 2. a protection plate; 3. a base plate; 4. a support pillar; 5. a hydraulic cylinder; 6. a piston; 7. a hydraulic column; 8. a chute; 9. a rubber pad; 10. a discharge plate; 11. a guide post; 12. a heat dissipation plate; 13. air-permeable steel; 14. an upper module; 15. a lower die; 16. injection molding holes; 17. an upper die; 18. heat dissipation holes; 19. a lower module; 20. a guide groove; 21. a strip-shaped chute; 22. a support pad.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Embodiment 1, referring to fig. 1 to 4, the injection mold for a household appliance housing provided by the utility model comprises a bottom plate 3, a hydraulic cylinder 5 is fixedly connected to the middle part of the bottom plate 3, a piston 6 is slidably connected to the middle part of the hydraulic cylinder 5, a hydraulic column 7 is fixedly connected to one side of the piston 6, a lower module 19 is fixedly connected to the other end of the hydraulic column 7, a chute 8 is penetratingly arranged around the lower end of the lower module 19, a rubber pad 9 is slidably connected to the inner wall of the chute 8, a discharge plate 10 is fixedly connected to the upper end of the rubber pad 9, the hydraulic cylinder 5 operates to drive the piston 6 therein to slide, further the hydraulic column 7 at the upper end of the piston 6 is driven to slide up and down, the lower module 19 at the other end of the hydraulic column 7 is driven to slide up and tightly close the lower end of the upper module 14, after the mold is molded, the hydraulic cylinder 5 operates again to drive the piston 6 to slide down, the lower module 19 is driven to slide down by the hydraulic column 7, supporting columns 4 are fixed at the upper end of the bottom plate 3 and on two sides of the hydraulic column 7, the lower module 19 slides downwards, the supporting columns 4 are inserted through sliding chutes 8 penetrating through the lower end of the lower module 19, the supporting columns 4 support the rubber pads 9 to eject the discharging plate 10 from the middle part of the lower module 19, and then a mold placed in the discharging plate is ejected out, so that mechanical demolding is completed, and convenience and rapidness are realized;

the upper end fixedly connected with support column 4 of bottom plate 3, support column 4 fixed connection is in the both sides of hydraulic column 7 respectively, and support column 4 sets up in the both sides of hydraulic column 7, and the convenience is ejecting with the mould.

Furthermore, two sides of the upper end of the bottom plate 3 are fixedly connected with protection plates 2, the upper end of each protection plate 2 is fixedly connected with an upper module 14, and the protection plates 2 are arranged at the upper end of the bottom plate 3 and play roles in supporting the upper modules 14 and protecting the upper modules;

furthermore, the upper end of the upper module 14 is provided with an injection molding hole 16 in a penetrating manner, the middle part of the upper module 14 is provided with an upper mold 17, the lower end of the upper module 14 is fixedly connected with a guide column 11, and raw materials are conveniently injected into the injection molding hole 16 to enter the mold;

furthermore, the middle parts of the two sides of the upper module 14 are fixedly connected with the air permeable steel 13, one side of the air permeable steel 13 is fixedly connected with the heat dissipation plate 12, the middle part of the heat dissipation plate 12 is provided with heat dissipation holes 18 in a penetrating manner, the air permeable steel 13 is convenient for dissipating heat of a shell in the die and then is transmitted out through the heat dissipation plate 12, and the heat dissipation holes 18 can play a role in accelerating the heat dissipation process;

furthermore, a guide groove 20 is penetratingly arranged in the middle of the lower module 19, a lower die 15 is arranged in the middle of the lower module 19, strip-shaped sliding grooves 21 are formed in two sides of the lower module 19, and the guide column 11 slides in the middle of the guide groove 20 to play a role in sliding and guiding;

furthermore, the inner wall of the protection plate 2 is fixedly connected with a strip-shaped sliding block 1, and the strip-shaped sliding block 1 slides in the middle of the strip-shaped sliding groove 21, so that the lower module 19 can slide up and down conveniently;

furthermore, the periphery of the lower end of the bottom plate 3 is fixedly connected with a supporting pad 22, and the supporting pad 22 plays a role in supporting, damping and buffering;

the using process of the utility model is as follows: when the utility model is used, a person skilled in the art firstly places and fixes the upper die 17 in the middle of the upper die block 14, places and fixes the lower die 15 in the middle of the lower die block 19, then the hydraulic cylinder 5 in the middle of the bottom plate 3 works to drive the piston 6 therein to slide, further drives the hydraulic column 7 at the upper end of the piston 6 to slide up and down, drives the lower die block 19 at the other end of the hydraulic column 7 to slide up and tightly close the lower end of the upper die block 14, because the two sides of the lower die block 19 are provided with the strip-shaped sliding grooves 21, the two sides of the upper end of the bottom plate 3 are fixedly connected with the protection plate 2, the inner wall of the protection plate 2 is fixedly connected with the strip-shaped sliding block 1, the strip-shaped sliding block 1 is mutually meshed with the strip-shaped sliding grooves 21, the sliding friction force of the lower die block 19 sliding up and down is reduced, the guide columns 11 are fixedly connected around the lower end of the upper die block 14, the guide grooves 20 are penetrated around the upper end of the lower die block 19, the guide post 11 slides in the middle of the guide groove 20, which has a guiding function and prevents the module from deviating and affects the quality of the module mold forming, raw materials are introduced into the upper mold 17 and the lower mold 15 through the injection molding hole 16, in the process of mold forming, the two sides of the upper mold 17 are fixedly connected with the air permeable steel 13 in the middle of the upper mold 14, which has an air guiding and heat dissipating function, then the other side of the air permeable steel 13 is fixedly connected with the heat dissipating plate 12, the middle of the heat dissipating plate 12 is provided with the heat dissipating holes 18, the heat dissipating plate 12 helps the air permeable steel 13 to dissipate heat, and the heat dissipating holes 18 can play a role of auxiliary heat dissipating, which accelerates the heat dissipation, after the mold forming, the hydraulic cylinder 5 works again to drive the piston 6 to slide downwards, the module 19 slides downwards under the driving of the hydraulic column 7, the support posts 4 are fixed on the upper end of the bottom plate 3 and on the two sides of the hydraulic column 7, lower module 19 gliding, support column 4 inserts through the spout 8 that the lower extreme of lower module 19 run through, and support column 4 withstands rubber pad 9 and can be ejecting from lower module 19's middle part with ejection of compact board 10, and then ejecting the mould of putting into it, accomplish mechanical drawing of patterns, convenient and fast.

Embodiment 2, referring to fig. 5, the injection mold for the household appliance shell provided by the utility model comprises a bottom plate 3, wherein the middle part of the bottom plate 3 is fixedly connected with a hydraulic cylinder 5, the middle part of the hydraulic cylinder 5 is slidably connected with a piston 6, one side of the piston 6 is fixedly connected with a hydraulic column 7, the other end of the hydraulic column 7 is fixedly connected with a lower module 19, the periphery of the lower end of the lower module 19 is provided with a chute 8 in a penetrating manner, the inner wall of the chute 8 is slidably connected with a rubber pad 9, and the upper end of the rubber pad 9 is fixedly connected with a discharge plate 10;

furthermore, the upper end of the bottom plate 3 is fixedly connected with four support columns 4, and the number of the support columns 4 is four;

the using process of the utility model is as follows: when the ejection device is used, a person skilled in the art fixes the four support columns 4 at the upper end of the bottom plate 3, when the hydraulic cylinder 5 in the bottom plate 3 works, the lower module 19 is driven to slide downwards, the four support columns 4 eject the rubber pads 9 in the four support columns through the sliding grooves 8, then the discharge plate 10 is ejected from the lower module 19, the four support columns 4 are more convenient for ejecting the discharge plate 10, and the discharge plate 10 is prevented from inclining in the middle of the lower module 19 to influence the demolding efficiency.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. The utility model provides a household electrical appliances shell injection mold, includes bottom plate (3), its characterized in that: the middle part of the bottom plate (3) is fixedly connected with a hydraulic cylinder (5), the middle part of the hydraulic cylinder (5) is connected with a piston (6) in a sliding mode, one side of the piston (6) is fixedly connected with a hydraulic column (7), the other end of the hydraulic column (7) is fixedly connected with a lower module (19), the periphery of the lower end of the lower module (19) is provided with a sliding groove (8) in a penetrating mode, the inner wall of the sliding groove (8) is connected with a rubber pad (9) in a sliding mode, and the upper end of the rubber pad (9) is fixedly connected with a discharge plate (10);

the upper end fixedly connected with support column (4) of bottom plate (3), support column (4) fixed connection is respectively in the both sides of hydraulic column (7).

2. The injection mold for the housing of the household electrical appliance according to claim 1, wherein: the protection plate is fixedly connected to two sides of the upper end of the bottom plate (3), and the upper end of the protection plate (2) is fixedly connected with the upper module (14).

3. The injection mold for home appliance housings as claimed in claim 2, wherein: the upper end of the upper module (14) is provided with an injection molding hole (16) in a penetrating mode, the middle of the upper module (14) is provided with an upper mold (17), and the lower end of the upper module (14) is fixedly connected with a guide column (11).

4. The injection mold for home appliance housings as claimed in claim 2, wherein: go up module (14) both sides middle part fixedly connected with ventilative steel (13), one side fixedly connected with heating panel (12) of ventilative steel (13), the middle part of heating panel (12) is run through and is provided with louvre (18).

5. The injection mold for the housing of the household electrical appliance according to claim 1, wherein: the middle part of lower mould piece (19) is provided with guide way (20) by running through, the middle part of lower mould piece (19) is provided with down mould (15), the both sides of lower mould piece (19) are provided with bar spout (21).

6. The injection mold for home appliance housings as claimed in claim 2, wherein: the inner wall of the protection plate (2) is fixedly connected with a strip-shaped sliding block (1).

7. The injection mold for the housing of the household electrical appliance according to claim 1, wherein: and the periphery of the lower end of the bottom plate (3) is fixedly connected with a supporting pad (22).

8. The injection mold for the housing of the household electrical appliance according to claim 1, wherein: the upper end fixedly connected with support column (4) of bottom plate (3), the quantity of support column (4) is four.