CN216329849U

CN216329849U - Injection mold convenient to drawing of patterns

Info

Publication number: CN216329849U
Application number: CN202122880369.4U
Authority: CN
Inventors: 高翔
Original assignee: Shenzhen Haiwei Mould Co ltd
Current assignee: Shenzhen Haiwei Mould Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-19
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses an injection mold convenient for demolding, which comprises: the device comprises a base, a buffer spring is arranged inside the top end of the base, a lower die is connected to the top end of the base, and a top plate is arranged inside the lower die; the limiting hole is formed in the bottom end of the lower die, the top of the top block penetrates through the limiting hole to be connected with the top plate, the bottom of the top block is connected with the buffer spring, and a positioning hole is formed in the outer wall of the top end of the top block; the telescopic groove is formed in the outer wall of the lower die, the pull rod penetrates through the telescopic groove and is connected with the positioning hole, and the middle of the pull rod is sleeved with the limiting spring. This injection mold convenient to drawing of patterns puts into the clamp plate from the dashpot, then the sliding pressure board makes the clamp plate slide to the inside of spout, and the clamp plate then can compress tightly the mould, and outside pulling connecting rod drives the pull rod and moves outward, and the kicking block is promoted by buffer spring and moves upward after losing the restriction, and the synchronous drive roof shifts up and can take out the inside shaping article of lower mould, reaches the effect of the drawing of patterns of being convenient for.

Description

Injection mold convenient to drawing of patterns

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold convenient to demould.

Background

An injection mold is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structure and precise dimensions, and injection molding is a processing method used for mass production of some parts with complex shapes, and generally, heated and melted plastics are injected into a mold cavity at high pressure by an injection molding machine, and after cooling and solidification, the mold is separated and taken out to obtain a formed product, however, the existing injection mold has some defects, such as:

according to the patent number: CN 201922322841.5A sphygmomanometer casing injection mold capable of fast heat dissipation is provided with louver heat dissipation windows, and the louver heat dissipation windows are respectively positioned at the inner positions of the left end and the right end of an upper injection mold and a lower injection mold, so that the cooling and heat dissipation work can be accelerated through the louver heat dissipation windows, and the cooling and heat dissipation time is shortened;

the technical scheme also comprises the following steps:

1. the injection mold is inconvenient to demold;

2. the injection mold is not convenient to butt joint;

3. the injection mold is not convenient to compact;

therefore, the existing injection mold is required to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold convenient to demold, and aims to solve the problems that the injection mold in the market is inconvenient to demold, butt joint and compaction of the injection mold are inconvenient.

In order to achieve the purpose, the utility model provides the following technical scheme: an injection mold facilitating demolding, comprising:

the device comprises a base, a buffer spring is arranged inside the top end of the base, a lower die is connected to the top end of the base, and a top plate is arranged inside the lower die;

the limiting hole is formed in the bottom end of the lower die, the top of the top block penetrates through the limiting hole to be connected with the top plate, the bottom of the top block is connected with the buffer spring, and a positioning hole is formed in the outer wall of the top end of the top block;

the telescopic groove is formed in the outer wall of the lower die, the pull rod penetrates through the telescopic groove and is connected with the positioning hole, the limiting spring is sleeved in the middle of the pull rod, and one end, far away from the positioning hole, of the pull rod is connected with the connecting rod.

Preferably, the cross section of the pull rod is in a cross shape, the diameter of one end of the pull rod is matched with that of the positioning hole, the pull rod forms a telescopic structure through the limiting spring and the telescopic groove, and the connecting rod is pulled outwards to synchronously drive the pull rod to be separated from the positioning hole.

Preferably, the top outer wall of lower mould has seted up the spacing groove, and the top of lower mould is provided with the mould, the outside of going up the mould is connected with the stopper, and the stopper is connected with the spacing groove to the top middle part of going up the mould is provided with the mouth of moulding plastics, and after two upper and lower moulds docks, can carry out shaping work from the mouth of moulding plastics injection principle.

Preferably, the size of stopper and the size phase-match of spacing groove, and be the plug-in connection between stopper and the spacing groove, through the butt joint of stopper and spacing groove, can realize the quick butt joint of upper and lower mould.

Preferably, the vertical plates are fixed to the tops of the two sides of the base, the buffer groove is formed in the top end of each vertical plate, the sliding groove is formed in the inner wall of the bottom end of each buffer groove, the two ends of the pressing plate are connected with the sliding grooves, and the pressing plate can be placed into the sliding groove from the buffer groove.

Preferably, the width of the pressing plate is matched with the distance between the inner walls of the buffer grooves, the thickness of the pressing plate is matched with the distance between the inner walls of the sliding grooves, and the connection between the upper die and the lower die can be compacted through the limitation of the sliding grooves on the pressing plate.

Compared with the prior art, the utility model has the beneficial effects that: this injection mold convenient to drawing of patterns puts into the clamp plate from the dashpot, then the sliding pressure board makes the clamp plate slide to the inside of spout, and the clamp plate then can compress tightly the mould, and outside pulling connecting rod drives the pull rod and moves outward, and the kicking block is promoted by buffer spring and moves upward after losing the restriction, and the synchronous drive roof shifts up and can take out the inside shaping article of lower mould, reaches the effect of the drawing of patterns of being convenient for.

1. According to the injection mold convenient for demolding, the connecting rod is pulled outwards to drive the pull rod to move outwards, the pull rod can extrude the limiting spring to be separated from the positioning hole, the ejector block is pushed to move upwards by the buffer spring after the limitation of the pull rod is lost, and the top plate is pushed out of a formed product in the lower mold, so that the effect of facilitating demolding is achieved;

2. according to the injection mold convenient for demolding, the upper mold is placed above the lower mold, the limiting block of the upper mold is butted with the limiting groove of the lower mold, the limiting block is limited by the limiting groove, and the positioning of the upper mold can be completed, so that the effect of convenient butting is achieved;

3. this injection mold convenient to drawing of patterns puts into the clamp plate from the dashpot, then the sliding pressure board makes the clamp plate slide to the inside of spout, through the restriction of spout to the clamp plate, can accomplish the location to the clamp plate, and the clamp plate location then can compress tightly the mould, and cooperation stopper and spacing groove can reach the compacting effect, and it is not hard up to prevent to appear connecting between last mould and the bed die.

Drawings

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

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a schematic top cross-sectional view of the present invention;

FIG. 4 is a schematic right-side cross-sectional view of the present invention;

FIG. 5 is a schematic top view of the lower mold of the present invention.

In the figure: 1. a base; 2. a buffer spring; 3. a lower die; 4. a top plate; 5. a limiting hole; 6. a top block; 7. positioning holes; 8. a telescopic groove; 9. a pull rod; 10. a limiting spring; 11. a connecting rod; 12. a limiting groove; 13. an upper die; 14. a limiting block; 15. an injection molding port; 16. a vertical plate; 17. a buffer tank; 18. a chute; 19. and (7) pressing a plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an injection mold facilitating demolding, comprising: base 1, base 1's the inside buffer spring 2 that is provided with in top, and base 1's top is connected with bed die 3, and the inside of bed die 3 is provided with roof 4, spacing hole 5, set up the bottom at bed die 3, and the top of kicking block 6 runs through spacing hole 5 and is connected with roof 4, and the bottom and the buffer spring 2 of kicking block 6 are connected, and locating hole 7 has been seted up to the top outer wall of kicking block 6, flexible groove 8, set up the outer wall at bed die 3, and pull rod 9 runs through flexible groove 8 and is connected with locating hole 7, limiting spring 10 has been cup jointed at the middle part of pull rod 9, and the one end that locating hole 7 was kept away from to pull rod 9 is connected with connecting rod 11.

The cross section of the pull rod 9 is in a cross shape, the diameter of one end of the pull rod 9 is matched with that of the positioning hole 7, and the pull rod 9 forms a telescopic structure with the telescopic groove 8 through the limiting spring 10.

The connecting rod 11 is pulled outwards to drive the pull rod 9 to move outwards, the pull rod 9 can extrude the limiting spring 10 to be separated from the positioning hole 7, the ejector block 6 can be pushed to move upwards by the buffer spring 2 after losing the limitation of the pull rod 9, and then the ejector plate 4 is pushed out of a formed product in the lower die 3, so that the effect of facilitating demolding is achieved.

A limiting groove 12 is formed in the outer wall of the top end of the lower die 3, an upper die 13 is arranged above the lower die 3, a limiting block 14 is connected to the outer side of the upper die 13, the limiting block 14 is connected with the limiting groove 12, and an injection molding opening 15 is formed in the middle of the top end of the upper die 13; the size of the limiting block 14 is matched with that of the limiting groove 12, and the limiting block 14 is connected with the limiting groove 12 in an inserting mode.

The upper die 13 is placed above the lower die 3, the limiting block 14 of the upper die 13 is butted with the limiting groove 12 of the lower die 3, the limiting block 14 is limited by the limiting groove 12, the positioning of the upper die 13 can be completed, and therefore the effect of facilitating butt joint is achieved.

Vertical plates 16 are fixed at the tops of two sides of the base 1, a buffer groove 17 is formed in the top end of each vertical plate 16, a sliding groove 18 is formed in the inner wall of the bottom end of each buffer groove 17, and two ends of a pressing plate 19 are connected with the sliding grooves 18; the width of the pressing plate 19 matches the inner wall pitch of the buffer groove 17, and the thickness of the pressing plate 19 matches the inner wall pitch of the slide groove 18.

Put into clamp plate 19 from buffer slot 17, then slide clamp plate 19 makes clamp plate 19 slide to the inside of spout 18, through the restriction of spout 18 to clamp plate 19, can accomplish the location to clamp plate 19, and the clamp plate 19 location then can compress tightly mould 13, and cooperation stopper 14 and spacing groove 12 can reach the effect of compaction, and it is not hard up to prevent to appear connecting between last mould 13 and the bed die 3.

To sum up, the upper mold 13 is placed above the lower mold 3, the positioning of the upper mold 13 can be completed by limiting the limiting block 14 by the limiting groove 12, then the pressing plate 19 is placed in the buffering groove 17, then the pressing plate 19 is slid to the inside of the sliding groove 18, the pressing plate 19 can compress the upper mold 13, finally, the melted plastic is injected into the mold from the injection port 15, the upper mold 13 is taken out after cooling molding, then the connecting rod 11 is pulled outwards to drive the pull rod 9 to move outwards, the top block 6 is pushed upwards by the buffering spring 2 after losing the limitation of the pull rod 9, and the top plate 4 is further pushed out of the formed product inside the lower mold 3, so as to achieve the effect of facilitating demolding, and the content not described in detail in the description belongs to the prior art known by the professional skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. An injection mold convenient to drawing of patterns, characterized by includes:

the die comprises a base (1), wherein a buffer spring (2) is arranged inside the top end of the base (1), a lower die (3) is connected to the top end of the base (1), and a top plate (4) is arranged inside the lower die (3);

the limiting hole (5) is formed in the bottom end of the lower die (3), the top of the top block (6) penetrates through the limiting hole (5) to be connected with the top plate (4), the bottom of the top block (6) is connected with the buffer spring (2), and the outer wall of the top end of the top block (6) is provided with a positioning hole (7);

the telescopic groove (8) is formed in the outer wall of the lower die (3), the pull rod (9) penetrates through the telescopic groove (8) and is connected with the positioning hole (7), the limiting spring (10) is sleeved in the middle of the pull rod (9), and one end, far away from the positioning hole (7), of the pull rod (9) is connected with the connecting rod (11).

2. The injection mold for facilitating demolding as claimed in claim 1, wherein: the cross section of the pull rod (9) is in a cross shape, the diameter of one end of the pull rod (9) is matched with that of the positioning hole (7), and the pull rod (9) forms a telescopic structure with the telescopic groove (8) through a limiting spring (10).

3. The injection mold for facilitating demolding as claimed in claim 1, wherein: limiting groove (12) have been seted up to the top outer wall of bed die (3), and the top of bed die (3) is provided with mould (13), the outside of going up mould (13) is connected with stopper (14), and stopper (14) are connected with limiting groove (12) to the top middle part of going up mould (13) is provided with injection moulding mouth (15).

4. An injection mold for facilitating demolding as claimed in claim 3, wherein: the size of the limiting block (14) is matched with that of the limiting groove (12), and the limiting block (14) is in plug-in connection with the limiting groove (12).

5. The injection mold for facilitating demolding as claimed in claim 1, wherein: the base is characterized in that vertical plates (16) are fixed to the tops of the two sides of the base (1), a buffer groove (17) is formed in the top end of each vertical plate (16), sliding grooves (18) are formed in the inner wall of the bottom end of each buffer groove (17), and the two ends of each pressing plate (19) are connected with the corresponding sliding grooves (18).

6. An injection mold for facilitating demolding as claimed in claim 5, wherein: the width of the pressing plate (19) is matched with the distance between the inner walls of the buffer grooves (17), and the thickness of the pressing plate (19) is matched with the distance between the inner walls of the sliding grooves (18).