CN217414721U

CN217414721U - Secondary ejection type easy-demolding injection mold for shell of side brush reduction gearbox of dust collector

Info

Publication number: CN217414721U
Application number: CN202123453328.3U
Authority: CN
Inventors: 何志武; 蔡祥力
Original assignee: Suzhou Hillin Machinery Technology Co ltd
Current assignee: Suzhou Hillin Machinery Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-09-13
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to a dust catcher limit brush reducing gear box shell secondary liftout easy drawing of patterns injection mold, include: the die comprises a base, a protective plate is arranged on the base, a die holder is arranged above the protective plate, the die holder is connected with a die core, and the die core die holder is provided with a guide pillar matched with an upper die; bear in the base be used for at first ejecting the shell automatically once ejection mechanism, ejection mechanism includes once: the elastic demolding component is arranged on the base, and the other end of the elastic demolding component is abutted to the shell body and can drive the second base plate to move upwards; and the secondary ejection mechanism is borne on the base and is used for being driven to eject out the shell. Through the arrangement, the mould has the advantages of high demoulding success rate and difficulty in breaking the injection molding deeper part of the shell.

Description

Secondary ejection type easy-demolding injection mold for shell of side brush reduction gearbox of dust collector

Technical Field

The utility model relates to the technical field of mold, in particular to dust catcher limit brush reducing gear box shell secondary liftout type easy drawing of patterns injection mold.

Background

The prior known demoulding device for the shell of the side brush reduction gearbox of the dust collector adopts manual operation, and after the injection molding of a molding machine is finished, an operator needs to lift an upper die and then take down parts from a fixed die, so that the operation speed is low, and the operation difficulty is high. Traditional drawing of patterns still causes the difficult drawing of patterns of the darker of shell body injection molding easily, grabs the problem that the power is torn apart greatly easily when having the drawing of patterns, leads to the yields not high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a dust catcher limit brush reducing gear box shell secondary liftout type easy drawing of patterns injection mold has the drawing of patterns success rate height, is difficult for drawing bad shell and moulds plastics the advantage of darker department.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a dust catcher limit brush reducing gear box shell secondary liftout type easy drawing of patterns injection mold includes:

the shell comprises a base, a protective plate is arranged on the base, a die holder is arranged above the protective plate and connected with a die core, the die core die holder is provided with a guide pillar matched with an upper die, a cavity is formed between the upper die and the die core and used for forming a shell body, and the base is provided with a top hole;

bear in the base is used for automatic ejection shell's an ejection mechanism at first, an ejection mechanism includes: the elastic demolding component is arranged on the base, and the other end of the elastic demolding component is abutted to the shell body and can drive the second base plate to move upwards; and the number of the first and second groups,

bear in the base is used for being driven ejecting secondary ejection mechanism of shell, secondary ejection mechanism includes: and one ends of the second ejector rods are abutted against the first base plate, the other ends of the second ejector rods are abutted against the second ejector rods of the shell body, and the second ejector rods are movably inserted in the die holder in a penetrating manner.

Realize above-mentioned technical scheme, at first will use external actuating mechanism to drive and go up the mould downstream, it aligns with the mold core to go up the mould through the guide pillar, compression elasticity drawing of patterns subassembly downstream, form the die cavity of moulding plastics of shell body shape between mold core and last mould, the completion back of moulding plastics, it upwards to go up the mould and reset, elasticity drawing of patterns subassembly resets, and with the more depths jack-up of shell body, later external actuating mechanism of base below passes through the apical pore and makes progress jack-up with first backing plate, and then make progress jack-up with the second ejector pin, thereby accomplish the drawing of patterns with the cooperation of elasticity drawing of patterns subassembly.

As a preferred aspect of the present invention, the elastic demolding assembly includes: set up in the draw-in groove of second backing plate, run through in die holder, first backing plate and second backing plate and one end butt in the base other end butt in shell body's first ejector pin, set up in first ejector pin and adaptation in the spacing head of draw-in groove, run through first backing plate and one end butt in the base other end butt in the first spring of spacing head, first ejector pin and second ejector pin butt shell body's position is different.

Realize above-mentioned technical scheme, during the drawing of patterns, first spring resets through spacing head with first ejector pin jack-up that makes progress, when first backing plate was upwards jacked up, drives the upwards upward motion of second ejector pin, and because the cooperation of draw-in groove and spacing head, can not drive first ejector pin upwards during first backing plate and the second backing plate upward motion, thereby first ejector pin can be earlier loose with the top of the great depths of shell body, later accomplish the drawing of patterns through the second ejector pin, can promote the yields of product when improving drawing of patterns speed.

As an optimized scheme of the utility model, the die holder is provided with the mouth of moulding plastics, the mouth of moulding plastics through moulding plastics the runner communicate in the die cavity.

The technical scheme is realized, and the raw materials are injected into the cavity through the injection molding runner through the injection molding port for forming.

As an optimized scheme of the utility model, be provided with the second spring between first backing plate and the die holder, the one end of second spring run through first backing plate and butt in the second backing plate.

According to the technical scheme, after demolding, the second spring resets to drive the second base plate downwards, and injection molding is conveniently continued.

As an optimized scheme of the utility model, the base is provided with the supporting shoe, the second backing plate pass through the supporting shoe set up in the base.

Realize above-mentioned technical scheme, when the second backing plate downstream, and form the shock attenuation between the base, avoid backing plate and base collision to cause the noise, increase of service life.

As a preferred scheme of the utility model, the quantity of backplate is two sets of and sets up the both sides at the base, first backing plate and second backing plate set up between two sets of backplates.

The technical scheme is realized, and the integrity of the device is increased.

As a preferred scheme of the utility model, the die cavity intercommunication has the excessive gluey way that upwards sets up, excessive gluey way is enclosed to close by last mould and mold core and is formed.

Realize above-mentioned technical scheme, can increase the raw materials of excessively moulding plastics for shell body's the moulding plastics more abundant.

To sum up, the utility model discloses following beneficial effect has:

the utility model provides a secondary ejection type easy demoulding injection mould for a shell of a reduction gearbox of a side brush of a dust collector, an external driving mechanism is used for driving an upper mould to move downwards, the upper mould is aligned with a mould core through a guide post, a first ejector rod and a first spring are compressed to move downwards, an injection mould cavity in the shape of a shell body is formed between the mould core and the upper mould, after the injection moulding is completed, the upper mould is reset upwards, the first spring is reset to jack the first ejector rod upwards through a limiting head, when a first cushion plate is jacked upwards, a second ejector rod is driven to move upwards, and due to the matching of a clamping groove and the limiting head, the first cushion plate and the second cushion plate can not drive the first ejector rod upwards when moving upwards, so that the first ejector rod can firstly jack the shell body at a deeper part loose, then demoulding is completed through the second ejector rod, the product yield can be improved while the demoulding speed is improved, and the shell body is jacked at a deeper part, then the external driving mechanism below the base jacks the first base plate upwards through the jack hole, and then the second ejector rod jacks upwards, so that the second ejector rod is matched with the elastic demoulding assembly to complete demoulding.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front cross-sectional view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a perspective view of the present invention.

The numbers and letters in the figures represent the respective part names:

1. a base; 2. a first ejector rod; 3. a housing body; 4. a top hole; 5. an injection molding port; 6. a guard plate; 7. a first backing plate; 8. a second backing plate; 9. a support block; 10. a mold core; 11. a guide post; 12. a die holder; 13. a limiting head; 14. a card slot; 15. a first spring; 16. a second spring; 17. a glue overflow channel; 18. a second ejector rod; 19. and (5) an upper die.

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 efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1 to 3, a secondary ejection type easy-demoulding injection mold for a reduction gearbox shell of a side brush of a dust collector comprises: the shell comprises a base 1, wherein a protective plate 6 is arranged on the base 1, a die holder 12 is arranged above the protective plate 6, the die holder 12 is connected with a die core 10, the die core 10 is provided with a guide pillar 11 matched with an upper die 19, a cavity is formed between the upper die 19 and the die core 10 and used for forming a shell body 3, and the base 1 is provided with a top hole 4; a primary ejection mechanism carried on the base 1 for automatically ejecting the housing at first; and a secondary ejection mechanism carried on the base 1 and driven to eject the housing.

Specifically, once ejection mechanism includes: the demoulding device comprises a first base plate 7 arranged on a base 1, a second base plate 8 arranged above the first base plate 7, and an elastic demoulding component, wherein one end of the elastic demoulding component is arranged on the base 1, and the other end of the elastic demoulding component is abutted against a shell body 3 and can drive the second base plate 8 to move upwards; the secondary ejection mechanism includes: a plurality of second top rods 18 with one ends abutting against the first backing plate 7 and the other ends abutting against the shell body 3, wherein the second top rods 18 are movably inserted in the die holder 12.

Wherein, elasticity drawing of patterns subassembly includes: a clamping groove 14 arranged on the second backing plate 8, a first ejector rod 2 penetrating through the die holder 12, the first backing plate 7 and the second backing plate 8, one end of the first ejector rod 2 is abutted to the base 1, the other end of the first ejector rod 2 is abutted to the shell body 3, a limiting head 13 arranged on the first ejector rod 2 and adapted to the clamping groove 14, a first spring 15 penetrating through the first backing plate 7, one end of the first spring 15 is abutted to the base 1, the other end of the first spring is abutted to the limiting head 13, the first ejector rod 2 and the second ejector rod 18 are abutted to the shell body 3 at different positions, during demoulding, the first spring 15 resets to jack the first ejector rod 2 upwards through the limiting head 13, when the first backing plate 7 is jacked upwards, the second ejector rod 18 is driven to upwards move, and due to the matching of the clamping groove 14 and the limiting head 13, the first backing plate 7 and the second backing plate 8 can not drive the first ejector rod 2 upwards when moving upwards, so that the first ejector rod 2 can firstly jack the shell body 3 at a deeper part to be loosened, and then demoulding is completed through the second ejector rod 18, the yield of the product can be promoted when the demoulding speed is improved.

Further, the mold base 12 is provided with an injection molding port 5, the injection molding port 5 is communicated with the mold cavity through an injection molding runner, raw materials are injected into the mold cavity through the injection molding runner through the injection molding port 5 for forming, one end of a second spring 16 penetrates through a first base plate 7 and abuts against a second base plate 8, after demolding, the second spring 16 resets to drive the second base plate 8 to face downwards, so that continuous injection molding is facilitated, the base 1 is provided with supporting blocks 9, the supporting blocks 9 are made of rubber, the second base plate 8 is arranged on the base 1 through the supporting blocks 9, when the second base plate 8 moves downwards, shock absorption is formed between the second base plate 8 and the base 1, noise caused by collision between the base plates and the base 1 is avoided, the service life is prolonged, the number of the guard plates 6 is two groups and is arranged on two sides of the base 1, the first base plate 7 and the second base plate 8 are arranged between the two groups of guard plates 6, the unity of the device is increased, the mold cavity is communicated with an upward arranged glue overflow channel 17, the glue overflow channel 17 is formed by enclosing the upper die 19 and the die core 10, and excessive injection molding raw materials can be added, so that the injection molding of the shell body 3 is more sufficient.

When the injection molding machine is used, firstly, an external driving mechanism is used for driving the upper die 19 to move downwards, the upper die 19 is aligned with the die core 10 through the guide post 11, the first ejector rod 2 and the first spring 15 are compressed to move downwards, an injection molding cavity in the shape of the shell body 3 is formed between the die core 10 and the upper die 19, after the injection molding is finished, the upper die 19 is reset upwards, the first spring 15 is reset to jack the first ejector rod 2 upwards through the limiting head 13, when the first cushion plate 7 is jacked upwards, the second ejector rod 18 is driven to move upwards, and due to the matching of the clamping groove 14 and the limiting head 13, the first cushion plate 7 and the second cushion plate 8 cannot drive the first ejector rod 2 upwards when moving upwards, so that the first ejector rod 2 can jack the shell body 3 at a deeper part, then the demolding is finished through the second ejector rod 18, the demolding speed is improved, the yield of products can be improved, and the shell body 3 can be jacked at a deeper part, and then an external driving mechanism below the base 1 jacks up the first cushion plate 7 through the top hole 4, and further jacks up the second top rod 18, so that the external driving mechanism is matched with the elastic demoulding assembly to complete demoulding.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a dust catcher limit brush reducing gear box shell secondary liftout easy drawing of patterns injection mold which characterized in that includes:

the shell comprises a base, a protective plate is arranged on the base, a die holder is arranged above the protective plate and connected with a die core, the die core die holder is provided with a guide pillar matched with an upper die, a cavity is formed between the upper die and the die core and is used for forming a shell body;

bear in the base be used for at first ejecting the shell automatically once ejection mechanism, ejection mechanism includes once: the elastic demolding component is arranged on the base, and the other end of the elastic demolding component is abutted to the shell body and can drive the second base plate to move upwards; and the number of the first and second groups,

bear in the base is used for being driven ejecting secondary ejection mechanism of shell, secondary ejection mechanism includes: and one end of each of the second ejector rods is abutted to the first backing plate, the other end of each of the second ejector rods is abutted to the second ejector rod of the shell body, and the second ejector rods are movably inserted in the die holder in a penetrating manner.

2. The secondary ejection type easy-demolding injection mold for the casing of the reduction gearbox of the side brush of the dust collector as claimed in claim 1, wherein the elastic demolding assembly comprises: set up in the draw-in groove of second backing plate, run through in die holder, first backing plate and second backing plate and one end butt in the base other end butt in shell body's first ejector pin, set up in first ejector pin and adaptation in the spacing head of draw-in groove, run through first backing plate and one end butt in the base other end butt in the first spring of spacing head, first ejector pin and second ejector pin butt shell body's position is different.

3. The secondary ejection type easy-demolding injection mold for the casing of the reduction gearbox of the side brush of the dust collector as claimed in claim 1, wherein the mold base is provided with an injection port, and the injection port is communicated with the cavity through an injection runner.

4. The secondary ejection type easy-demolding injection mold for the shell of the side brush reduction gearbox of the dust collector as claimed in claim 1, wherein a second spring is arranged between the first base plate and the mold base, and one end of the second spring penetrates through the first base plate and abuts against the second base plate.

5. The secondary ejection type easy-demolding injection mold for the casing of the side brush reduction gearbox of the dust collector as claimed in claim 4, wherein the base is provided with a support block, and the second base plate is arranged on the base through the support block.

6. The secondary ejection type easy-demolding injection mold for the casing of the side brush reduction gearbox of the dust collector as claimed in claim 1, wherein the number of the guard plates is two, the two guard plates are arranged on two sides of the base, and the first base plate and the second base plate are arranged between the two guard plates.

7. The secondary ejection type easy-demolding injection mold for the casing of the side brush reduction gearbox of the dust collector as claimed in claim 1, wherein the cavity is communicated with an upward-arranged glue overflow channel, and the glue overflow channel is formed by enclosing an upper mold and a mold core.