CN211467343U

CN211467343U - Injection mold for household electrical appliance switch

Info

Publication number: CN211467343U
Application number: CN201921787591.6U
Authority: CN
Inventors: 艾伟
Original assignee: Zhongdian Kechuang Venture Service Hangzhou Co ltd
Current assignee: XI'AN WEIER PRECISION TECHNOLOGY Co.,Ltd.
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-09-11
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a household electrical appliances switch injection mold, including lower mould and last mould, the die cavity has been seted up to the last lateral wall of lower mould, the lower lateral wall of going up the mould be equipped with die cavity assorted arch, the downside of lower mould is equipped with the motor, the drive end of motor is fixed with the threaded rod, threaded connection has the movable plate on the outer wall of threaded rod, the cavity has been seted up to the inside of lower mould, the movable plate is located the cavity, be fixed with two guide bars in the cavity, the movable plate cover is equipped with on the outer wall of two guide bars, it has the roof to slide in the die cavity, be connected with the connecting rod between the last lateral wall of movable plate and the lower lateral wall of roof, be equipped with. The utility model discloses a reciprocating rotation of bull stick realizes the striking of heavy ball to the lower mould, with higher speed the work piece drop, and the while drives the roof through shifting up of movable plate and shifts up, demolding process with higher speed.

Description

Injection mold for household electrical appliance switch

Technical Field

The utility model relates to the technical field of mold, especially, relate to a household electrical appliances switch injection mold.

Background

The mould is a mould and a tool for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, and the shape of an article is processed mainly by changing the physical state of a formed material.

The conventional household electrical appliance switch is generally formed by extruding raw materials in a die, but the extruded switch workpiece is tightly attached to the inner wall of a cavity of the die, inconvenience exists during subsequent demolding, and the workpiece is damaged by pulling if the workpiece is directly ejected out.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art, and the utility model provides a household electrical appliances switch injection mold who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a household electrical appliances switch injection mold, includes the lower mould and goes up the mould, the die cavity has been seted up to the last lateral wall of lower mould, the lower lateral wall of going up the mould be equipped with die cavity assorted arch, the downside of lower mould is equipped with the motor, the drive end of motor is fixed with the threaded rod, threaded connection has the movable plate on the outer wall of threaded rod, the cavity has been seted up to the inside of lower mould, the movable plate is located the cavity, be fixed with two guide bars in the cavity, the movable plate cover is equipped with on the outer wall of two guide bars, it has the roof to slide in the die cavity, be connected with the connecting rod between the last lateral wall of movable plate and the lower.

Preferably, two vertical rods are fixed on the upper side wall of the lower die, and two guide openings corresponding to the vertical rods are formed in the upper die.

Preferably, the middle part of the upper die is embedded with a breathable steel plate.

Preferably, beat the mechanism and include two bull sticks of being connected with the lower mould outer wall rotation, every the inside wall of bull stick all is fixed with heavy ball, still be fixed with the carousel on the outer wall of threaded rod, be fixed with the push rod of two symmetry settings on the outer wall of carousel.

Preferably, a cavity is formed in the heavy ball, and a plurality of steel balls are filled in the cavity.

Preferably, a telescopic spring positioned at the lower side of the heavy ball is fixed between the inner side wall of each rotating rod and the outer wall of the lower die.

Compared with the prior art, this household electrical appliances switch injection mold's advantage lies in:

1. the motor drives the threaded rod to rotate, and the threaded rod is matched with the movable plate through threads, and the guide rod limits the movable plate to prevent the movable plate from rotating, so that the movable plate drives the top plate to push upwards through the connecting rod when moving upwards, a formed workpiece is ejected, and the mold ejection is accelerated;

2. when the threaded rod rotates, the rotary table and the push rod rotate, when the push rod is in contact with the rotary rod, the rotary rod is ejected out of the outer side, when the push rod rotates away from the rotary rod, the rotary rod rotates under the reverse elasticity of the telescopic spring, and the heavy ball impacts the outer wall of the lower die to form the vibration of the lower die and accelerate the falling of the workpiece and the inner wall of the cavity;

to sum up, the utility model discloses a reciprocal rotation of bull stick realizes the striking of heavy ball to the lower mould, with higher speed the work piece drop, and the while drives the roof through shifting up of movable plate and shifts up, the demolding process with higher speed.

Drawings

Fig. 1 is a schematic structural view of an injection mold for a household electrical appliance switch according to the present invention;

fig. 2 is the utility model provides a front view of lower mould among household electrical appliances switch injection mold.

In the figure: 1 lower die, 2 upper dies, 3 vertical rods, 4 rotating rods, 5 rotating discs, 6 heavy balls, 7 breathable steel plates, 8 telescopic springs, 9 push rods, 10 motors, 11 threaded rods, 12 moving plates, 13 connecting rods, 14 top plates and 15 guide rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a household electrical appliances switch injection mold, including lower mould 1 and last mould 2, the die cavity has been seted up to the last lateral wall of lower mould 1, the lower lateral wall of going up mould 2 is equipped with the arch with the die cavity assorted, the last lateral wall of lower mould 1 is fixed with two montants 3, go up and set up two guide ways corresponding with montant 3 on the mould 2, it slides from top to bottom to go up mould 2 on the outer wall of montant 3, guarantee the relative of lower mould 1 and last mould 2 position, the middle part of going up mould 2 is inlayed and is equipped with ventilative steel sheet 7, ventilative steel sheet 7 has good gas permeability, can discharge the fashioned bubble of work piece, guarantee the quality after.

The lower side of the lower die 1 is provided with a motor 10, further, the motor 10 can be a servo motor, a threaded rod 11 is fixed at a driving end of the motor 10, a moving plate 12 is connected to the outer wall of the threaded rod 11 in a threaded manner, a cavity is formed in the lower die 1, the moving plate 12 is located in the cavity, two guide rods 15 are fixed in the cavity, the moving plate 12 is sleeved on the outer wall of the two guide rods 15 so as to prevent the moving plate 12 from rotating, a top plate 14 slides in the cavity, a connecting rod 13 is connected between the upper side wall of the moving plate 12 and the lower side wall of the top plate 14, the motor 10 drives the threaded rod 11 to rotate, the moving plate 12 is prevented from rotating by the limit of the guide rods 15 on the moving plate 12 through threaded fit between the threaded rod 11 and the moving plate 12, so that the moving plate 12 can move up and, and ejecting the formed workpiece.

The outer wall of the lower die 1 is provided with a beating mechanism, the beating mechanism comprises two rotating rods 4 which are rotatably connected with the outer wall of the lower die 1, the inner side wall of each rotating rod 4 is fixed with a heavy ball 6, the inner part of each heavy ball 6 is provided with a cavity, the cavities are filled with a plurality of steel balls, the impact amplitude of the heavy balls 6 can be increased through the shaking of the steel balls, the outer wall of the threaded rod 11 is also fixed with a turntable 5, the outer wall of the turntable 5 is fixed with two push rods 9 which are symmetrically arranged, an extension spring 8 which is positioned at the lower side of the heavy ball 6 is fixed between the inner side wall of each rotating rod 4 and the outer wall of the lower die 1, furthermore, when the extension spring 8 is completely unfolded, the heavy balls 6 just contact with the outer wall of the lower die 1, the distance between the inner walls of the two rotating rods 4 is opposite to the distance between the end parts of the two push rods 9, when the push rod 9 contacts the rotating rod 4, the rotating rod 4 is ejected outwards, when the push rod 9 rotates away from the rotating rod 4, the rotating rod 4 rotates under the reverse elasticity of the telescopic spring 8, the heavy ball 6 collides with the outer wall of the lower die 1, the vibration of the lower die 1 is formed, and the falling of the workpiece and the inner wall of the cavity is accelerated.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

Now, the operation principle of the present invention is explained as follows:

when the mold is removed, the motor 10 is started, the motor 10 drives the threaded rod 11 to rotate, the movable plate 12 is prevented from rotating by the threaded rod 11 and the movable plate 12 in a limiting manner through the guide rod 15, the movable plate 12 is moved up and down, the movable plate 12 is moved up and drives the top plate 14 to move up to push a formed workpiece, meanwhile, the threaded rod 11 drives the rotary table 5 and the push rod 9 to rotate, when the push rod 9 is in contact with the rotary table 4, the rotary table 4 is pushed out outwards, when the push rod 9 rotates away from the rotary table 4, the rotary table 4 rotates under the reverse elasticity of the telescopic spring 8, the heavy ball 6 collides with the outer wall of the lower mold 1, the vibration of the lower mold 1 is formed, the workpiece and the inner wall of the cavity are accelerated to fall, and the top plate 14 can be conveniently pushed up.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An injection mold for a household appliance switch comprises a lower mold (1) and an upper mold (2), it is characterized in that the upper side wall of the lower die (1) is provided with a cavity, the lower side wall of the upper die (2) is provided with a bulge matched with the cavity, a motor (10) is arranged on the lower side of the lower die (1), a threaded rod (11) is fixed at the driving end of the motor (10), the outer wall of the threaded rod (11) is connected with a moving plate (12) in a threaded manner, a cavity is arranged inside the lower die (1), the moving plate (12) is positioned in a cavity, two guide rods (15) are fixed in the cavity, the moving plate (12) is sleeved on the outer wall of two guide rods (15), a top plate (14) is arranged in the cavity in a sliding mode, a connecting rod (13) is connected between the upper side wall of the moving plate (12) and the lower side wall of the top plate (14), and a beating mechanism is arranged on the outer wall of the lower die (1).

2. The household appliance switch injection mold according to claim 1, wherein two vertical rods (3) are fixed to the upper side wall of the lower mold (1), and two guide openings corresponding to the vertical rods (3) are formed in the upper mold (2).

3. An injection mold for household electrical appliances switches, according to claim 1, characterized in that a breathable steel plate (7) is embedded in the middle of the upper mold (2).

4. An injection mold for household electrical appliances switches according to claim 1, wherein the rapping mechanism comprises two rotating rods (4) rotatably connected with the outer wall of the lower mold (1), wherein a heavy ball (6) is fixed on the inner side wall of each rotating rod (4), a rotary table (5) is further fixed on the outer wall of the threaded rod (11), and two push rods (9) symmetrically arranged are fixed on the outer wall of the rotary table (5).

5. The injection mold for the household appliance switch according to claim 4, wherein a cavity is formed in the heavy ball (6), and a plurality of steel balls are filled in the cavity.

6. An injection mould for household electrical appliances switches according to claim 4, characterized in that a telescopic spring (8) positioned at the lower side of the heavy ball (6) is fixed between the inner side wall of each rotating rod (4) and the outer wall of the lower mould (1).