CN214982778U

CN214982778U - Injection mold for household electrical appliance switch

Info

Publication number: CN214982778U
Application number: CN202023274172.8U
Authority: CN
Inventors: 朱伟; 郑华栋
Original assignee: Nanjing Yuchuang Moulding Co ltd
Current assignee: Nanjing Yuchuang Moulding Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-12-03
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a household electrical appliance switch injection mold, which comprises a bottom plate, wherein T-shaped frames are fixedly arranged on both sides of the top end of the bottom plate, a threaded rod is movably penetrated through the middle part of the top end of the T-shaped frame, a motor is fixedly arranged on the middle part of the top end of the T-shaped frame, one end of an output shaft of the motor is fixedly connected with the top end of the threaded rod, a cavity is arranged in the middle part of the top end of a lower die, a top plate is slidably connected with the bottom end of the inner side of the cavity, when the upper die and the lower die are combined, the upper die is taken out after a workpiece is cooled and formed, the convex plate is moved downwards by driving the threaded rod to rotate through the motor, the bottom end of the convex plate is extruded on the slide plate, so that the upper die and the lower die can be tightly attached, the upper die is taken out, the movable plate is driven to ascend by reversing the threaded rod, and the movable plate can drive the top plate in the cavity to ascend when the movable plate continuously ascends against a positioning ring in the middle part of a linkage rod, therefore, the workpiece in the cavity can be ejected out, and the production efficiency of the workpiece can be improved.

Description

Injection mold for household electrical appliance switch

Technical Field

The utility model relates to an injection mold technical field specifically is a household electrical appliances switch injection mold.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used when producing some parts with complicated shapes in batch, and particularly relates to a method for injecting heated and melted plastics into a mold cavity under high pressure by an injection molding machine, cooling and solidifying to obtain a molded product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a household electrical appliances switch injection mold to solve and to provide in the above-mentioned background art because traditional household electrical appliances switch mold is behind injection moulding, because the work piece is inseparable with the laminating of mould cavity, follow-up being difficult to the drawing of patterns, increased working strength's problem.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold for a household appliance switch comprises a bottom plate, wherein a lower mold is mounted at the top end of the bottom plate, an upper mold is arranged at the top end of the lower mold, a compression top mold assembly is mounted at the top end of the bottom plate, and the compression top mold assembly comprises a T-shaped frame, a threaded rod, a motor, a cavity, a top movable plate, a positioning groove, a movable plate, a linkage rod, a positioning ring, a convex plate, a guide groove and a sliding plate;

the equal fixed mounting in bottom plate top both sides has T shape frame, the threaded rod runs through in the activity of T shape frame top middle part, T shape frame top middle part fixed mounting has the motor, and motor output shaft one end and threaded rod top fixed connection, the die cavity has been seted up at lower mould top middle part, the inboard bottom sliding connection in die cavity has the ejector plate, the constant head tank has all been seted up to lower mould both sides middle part bottom, the inboard sliding connection in constant head tank has the fly leaf, the trace has been run through in the activity of fly leaf top one side, the equal fixed cover in trace outside bottom and middle part is equipped with the holding ring, the inboard slip of T shape frame is equipped with the convex plate, the guide way has all been seted up to last mould top both sides, the inboard sliding connection in guide way has the slide.

Preferably, the top ends of the linkage rods movably penetrate through the top end of the inner wall of the positioning groove, and the top ends of the two linkage rods are fixedly installed on two sides of the bottom end of the ejector moving plate respectively.

Preferably, the movable plate and the convex plate are movably sleeved on the upper and lower positions of the outer side of the threaded rod through threads respectively.

Preferably, the two sides of the middle part of the bottom plate jacking are provided with butt joint grooves corresponding to the positioning rings.

Preferably, the limiting groove has all been seted up at guide way inner wall both ends, the equal fixed mounting of slide both sides tip has the stopper, stopper sliding connection is in the limiting groove inboard.

Preferably, go up mould top mid-mounting and pour the pipe, go up mould bottom four corners position department and all install the reference column, lower mould top four corners position department all sets up the post groove that corresponds with the reference column position, go up the mould bottom and install sealed frame, the seal groove has been seted up on the lower mould top.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when last mould and lower mould merge, slide roll-off to the convex plate below through going up the mould both sides, drive the threaded rod through the motor and rotate and make the convex plate move down, make convex plate bottom extrusion slide, thereby it pastes tightly to enable last mould and lower mould, take out the mould after work piece cooling shaping, through the threaded rod reversal, it rises to drive the fly leaf, can drive the ejector pad of die cavity and shift up when the fly leaf motion supports the holding ring at trace middle part and continues to rise, thereby can be ejecting with the work piece of die cavity, thereby can improve the production efficiency of work piece.

2. Through setting up reference column and post groove can be convenient for go up the accurate butt joint work of mould and lower mould, can strengthen the leakproofness after mould and lower mould merge through the effect that sets up sealed frame and seal groove.

Drawings

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

FIG. 2 is a schematic structural view of a middle pressing top mold assembly of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

FIG. 5 is a schematic view of the mounting structure of the middle stopper of the present invention;

fig. 6 is a schematic view of the structure of the middle sealing groove of the present invention.

In the figure: 1. a base plate; 2. a lower die; 3. an upper die; 4. compressing the top die assembly; 401. a T-shaped frame; 402. a threaded rod; 403. a motor; 404. a cavity; 405. jacking the movable plate; 406. positioning a groove; 407. a movable plate; 408. a linkage rod; 409. a positioning ring; 410. a convex plate; 411. a guide groove; 412. a slide plate; 5. a butt joint groove; 6. a limiting groove; 7. a limiting block; 8. pouring a pipe; 9. a positioning column; 10. a cylindrical groove; 11. a sealing frame; 12. sealing the groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an injection mold for household electrical appliance switches comprises a bottom plate 1, wherein a lower mold 2 is installed at the top end of the bottom plate 1, an upper mold 3 is arranged at the top end of the lower mold 2, a compaction top mold assembly 4 is installed at the top end of the bottom plate 1, and the compaction top mold assembly 4 comprises a T-shaped frame 401, a threaded rod 402, a motor 403, a cavity 404, a top movable plate 405, a positioning groove 406, a movable plate 407, a linkage rod 408, a positioning ring 409, a convex plate 410, a guide groove 411 and a sliding plate 412;

equal fixed mounting in bottom plate 1 top both sides has T shape frame 401, threaded rod 402 has been run through in the activity of T shape frame 401 top middle part, T shape frame 401 top middle part fixed mounting has motor 403, and motor 403 output shaft one end and threaded rod 402 top fixed connection, die cavity 404 has been seted up at 2 top middle parts down, the inboard bottom sliding connection of die cavity 404 has ejector plate 405, constant head tank 406 has all been seted up to 2 both sides middle part bottoms down of mould, the inboard sliding connection of constant head tank 406 has fly leaf 407, fly leaf 407 top one side activity is run through has trace 408, the equal fixed cover in trace 408 outside bottom and middle part is equipped with holding ring 409, the inboard slip of T shape frame 401 is equipped with convex plate 410, go up mould 3 top both sides and all seted up guide way 411, the inboard sliding connection of guide way 411 has slide 412.

The top ends of the linkage rods 408 movably penetrate through the top end of the inner wall of the positioning groove 406, and the top ends of the two linkage rods 408 are respectively and fixedly installed at two sides of the bottom end of the top movable plate 405, so that the linkage rods 408 can drive the top movable plate 405 to move together when moving.

The movable plate 407 and the convex plate 410 are movably sleeved on the outer side of the threaded rod 402 at the upper and lower positions through threads, so that when the motor 403 drives the threaded rod 402 to rotate forward or backward, the convex plate 410 and the movable plate 407 synchronously move up and down along the thread direction.

The bottom plate 1 pushes up and moves middle part both sides and all offers the butt joint groove 5 that corresponds with the holding ring 409 position, and the holding ring 409 of the bottom end in the trace 408 outside of being convenient for can the slip card locate in butt joint groove 5.

Spacing groove 6 has all been seted up at guide way 411 inner wall both ends, and the equal fixed mounting of slide 412 both sides tip has stopper 7, and stopper 7 sliding connection is inboard in spacing groove 6, can restrict the home range of slide 412 in guide way 411.

Go up 3 top mid-mounting of mould and pour pipe 8, go up 3 bottom four corners positions department of mould and all install

reference column

9, 2 top four corners positions department of lower mould all sets up the cylindrical groove 10 that corresponds with reference column 9 position, goes up 3 bottoms of mould and installs sealed

frame

11, and 2 tops of lower mould have seted up seal groove 12, can be convenient for go up the butt joint of mould 3 and lower mould 2 through reference column 9 and cylindrical groove 10. The sealing frame 11 and the sealing groove 12 can enhance the sealing property between the upper die 3 and the lower die 2.

The working principle is as follows: during injection molding, a movable plate 407 in a positioning groove 406 on the lower mold 2 is positioned between two positioning rings 409 on a linkage rod 408 in advance, the movable plate 407 can independently move up and down by a distance relative to the linkage rod 408 and a top movable plate 405 through the arrangement of the two positioning rings 409 on the linkage rod 408, then a positioning column 9 on the upper mold 3 is inserted in alignment with a column-shaped groove 10 on the lower mold 2, so that the upper mold 3 and the lower mold 2 are aligned and combined, a sealing frame 11 on the upper mold 3 is slidably inserted into a sealing groove 12 on the lower mold 2, so that the sealing performance between the upper mold 3 and the lower mold 2 can be enhanced, then the upper mold 3 is respectively slid to push sliding plates 412 in guide grooves 411 on both sides, so that the sliding plates 412 extend outwards until one side of the top end of the sliding plate 412 is positioned below a convex plate 410, a motor 403 is started to drive a threaded rod 402 to rotate, so that the convex plate 410 and the movable plate 407 move downwards along a thread direction, until the movable plate 407 moves to the bottom, the bottom end of the convex plate 410 abuts against and presses the sliding plate 412, so that the upper die 3 and the lower die 2 are fixed and attached tightly, and the movable plate 407 abuts against the positioning ring 409 at the bottom end outside the linkage rod 408, so that the positioning ring 409 is clamped in the butt-joint groove 5, so that the top plate 405 is located at the bottom end of the cavity 404, then melt is poured into the cavity 404 through the pouring pipe 8, after the product in the cavity 404 is formed and cooled, the motor 403 drives the threaded rod 402 to rotate reversely for a period of time, so that the movable plate 407 and the convex plate 410 move upwards for a short distance, one end of the movable plate 407 is located between the positioning rings 409 at the upper and lower positions outside the linkage rod 408, so that the sliding plate 412 on the upper die 3 slides into the guide groove 411 again, then the upper die 3 is taken out and separated, the motor 403 is continuously started to drive the threaded rod 402 to rotate reversely, when the top end of the movable plate 407 abuts against the positioning ring 409 at the middle of the linkage rod 408 and continues to rise, will drive trace 408 to rise together to through trace 408 will drive the top movable plate 405 in the die cavity 404 and shift up, thereby can be ejecting with the work piece in the die cavity 404, the device can be convenient for go up the fixed between mould 3 and the lower mould 2, and be convenient for ejecting of work piece, thereby can improve the production efficiency of work piece.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a household electrical appliances switch injection mold, includes bottom plate (1), its characterized in that: the pressing device comprises a bottom plate (1), a lower die (2) and an upper die (3), wherein the top end of the bottom plate (1) is provided with the lower die, the top end of the lower die (2) is provided with a pressing top die assembly (4), and the pressing top die assembly (4) comprises a T-shaped frame (401), a threaded rod (402), a motor (403), a cavity (404), a top moving plate (405), a positioning groove (406), a moving plate (407), a linkage rod (408), a positioning ring (409), a convex plate (410), a guide groove (411) and a sliding plate (412);

the improved die comprises a bottom plate (1), a T-shaped frame (401) is fixedly mounted on two sides of the top end of the bottom plate (1), a threaded rod (402) is movably arranged in the middle of the top end of the T-shaped frame (401), a motor (403) is fixedly mounted in the middle of the top end of the T-shaped frame (401), one end of an output shaft of the motor (403) is fixedly connected with the top end of the threaded rod (402), a cavity (404) is formed in the middle of the top end of a lower die (2), a top plate (405) is slidably connected to the bottom end of the inner side of the cavity (404), positioning grooves (406) are formed in the bottom end of the middle of the two sides of the lower die (2), a movable plate (407) is slidably connected to the inner side of the positioning grooves (406), a linkage rod (408) is movably arranged on one side of the top end of the movable plate (407), positioning rings (409) are fixedly sleeved on the bottom end and the middle of the outer side of the linkage rod (408), a convex plate (410) is slidably arranged on the inner side of the T-shaped frame (401), guide grooves (411) are formed in two sides of the top end of the upper die (3), and sliding plates (412) are connected to the inner sides of the guide grooves (411) in a sliding mode.

2. The household appliance switch injection mold according to claim 1, characterized in that: the top ends of the linkage rods (408) movably penetrate through the top end of the inner wall of the positioning groove (406), and the top ends of the two linkage rods (408) are fixedly arranged on two sides of the bottom end of the top movable plate (405) respectively.

3. The household appliance switch injection mold according to claim 1, characterized in that: the movable plate (407) and the convex plate (410) are movably sleeved on the upper and lower positions of the outer side of the threaded rod (402) through threads respectively.

4. The household appliance switch injection mold according to claim 1, characterized in that: and the two sides of the middle part of the bottom plate (1) are pushed against and provided with butt joint grooves (5) corresponding to the positions of the positioning rings (409).

5. The household appliance switch injection mold according to claim 1, characterized in that: spacing groove (6) have all been seted up at guide way (411) inner wall both ends, the equal fixed mounting of slide (412) both sides tip has stopper (7), stopper (7) sliding connection is inboard in spacing groove (6).

6. The household appliance switch injection mold according to claim 1, characterized in that: go up mould (3) top mid-mounting and pour pipe (8), go up mould (3) bottom four corners position department and all install reference column (9), lower mould (2) top four corners position department all sets up the post groove (10) that correspond with reference column (9) position, go up mould (3) bottom and install sealed frame (11), seal groove (12) have been seted up on lower mould (2) top.