CN215511874U

CN215511874U - Plastic mold with secondary ejection structure

Info

Publication number: CN215511874U
Application number: CN202122000891.9U
Authority: CN
Inventors: 杨胜尧; 郑建阳; 刘涛
Original assignee: Qingdao Jinhongxin Plastic Mould Fittings Co ltd
Current assignee: Qingdao Jinhongxin Plastic Mould Fittings Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-14
Anticipated expiration: 2031-08-24

Abstract

The utility model belongs to the technical field of plastic molds, and discloses a plastic mold with a secondary ejection structure, which comprises a fixed mold and a movable mold, wherein the movable mould is positioned above the fixed mould, an injection molding block is arranged in the movable mould, a base is arranged below the fixed mould, and the outer part of the base is provided with a clamping strip, the inner part of the clamping strip is provided with a clamping groove, and a protective plate is arranged above the clamping strip, the lower part of the protection plate is provided with a clamping convex strip which is matched with the clamping groove, the utility model is provided with a clamping strip outside the base, and the inside of the clamping strip is provided with a clamping groove, when in use, the clamping strip is clamped in the embedded groove at the edge of the base, then go into the draw-in groove with the block sand grip card of guard plate below, accomplish the installation to the guard plate, form protection architecture in the outside of the subassembly that can not be obtained through the guard plate this moment to this gap when hiding the plastic mould separation.

Description

Plastic mold with secondary ejection structure

Technical Field

The utility model belongs to the technical field of plastic molds, and particularly relates to a plastic mold with a secondary ejection structure.

Background

Various tools and products used in daily life are closely related to a mold, a plastic mold is commonly used, the plastic mold is a short form of a combined mold for compression molding, extrusion molding, injection, blow molding and the like, can be processed into plastic parts with different shapes and different sizes, and sometimes a secondary ejection structure is adopted during demolding in order not to damage the structure of the plastic part when the plastic part with a complex structure is manufactured, and the plastic mold with the secondary ejection structure is usually complex in structure.

Because the internal components of the secondary ejection structure are more, gaps can appear between different modules when the ejection process is carried out, the currently used plastic mold with the secondary ejection structure is not provided with a protection structure when different modules are separated, foreign matters are easy to block in the gaps, and when the mold is not used, an injection molding port is not provided with the protection structure and is directly exposed outside, under the condition of long-time stop, the injection molding port is easy to accumulate dust, and the cleaning difficulty is higher when the mold is used at the moment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plastic mould with a secondary ejection structure, which solves the problem that a foreign matter is easy to block in a gap generated when different modules of the existing plastic mould are separated, and an injection molding port is easy to accumulate dust under the condition of long-time stop.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a plastic mould with ejecting structure of secondary, includes cover half and movable mould, wherein the movable mould is located the top of cover half, the internally mounted of movable mould has the piece of moulding plastics, the below of cover half is provided with the base, and the externally mounted of base has the card strip, the draw-in groove has been seted up to the inside of card strip, and the top of card strip is provided with the guard plate, the below of guard plate is provided with the block sand grip, block sand grip and draw-in groove phase-match.

Preferably, the internally mounted of base has mounting panel and roof, and the mounting panel is located the top of roof, the internally mounted of mounting panel has main ejector pin.

Preferably, the middle plate is installed above the base, the balance plate is installed above the middle plate, and the limiting ejection column is installed inside the balance plate.

Preferably, the combination board is installed to the top of weighing apparatus board, spacing ejecting post runs through the top that the cover half extends to the cover half, the internally mounted of cover half has ejecting piece and spring.

Preferably, the main ejection rod penetrates through the middle plate, the balance plate and the protection plate and extends to the inner part of the protection plate, and a bottom plate is installed below the base and the top plate.

Preferably, an embedded groove is formed in the upper portion of the movable die, a magnetic block is installed in the embedded groove, and a dustproof cover is installed above the magnetic block.

Compared with the prior art, the utility model has the following beneficial effects:

(1) according to the utility model, the clamping strip is arranged outside the base, the clamping groove is formed inside the clamping strip, the clamping strip is clamped into the embedded groove at the edge of the base when the plastic mold is used, then the clamping convex strip below the protection plate is clamped into the clamping groove to complete the installation of the protection plate, and at the moment, the protection structure is formed outside the unavailable component through the protection plate, so that a gap is covered when the plastic mold is separated.

(2) According to the utility model, the annular groove is formed above the movable mold, the magnetic block is arranged in the groove, and when the mold plate is stopped, the dustproof cover is buckled into the annular groove and mutually adsorbed with the magnetic block inside, so that the dustproof cover is fixed above the injection molding block to block the injection molding opening and prevent the injection molding opening from being contaminated by dust.

Drawings

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

FIG. 2 is an external view of the present invention;

FIG. 3 is a top view of the card strip of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

in the figure: 1. a magnetic block; 2. an injection molding block; 3. a dust cover; 4. moving the mold; 5. fixing a mold; 6. a bonding plate; 7. limiting the ejection column; 8. a primary ejector rod; 9. a protection plate; 10. a balance plate; 11. a middle plate; 12. clamping the strip; 13. a base; 14. a base plate; 15. mounting a plate; 16. a top plate; 17. clamping the convex strips; 18. ejecting the part; 19. a card slot; 20. a spring.

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. 1-4, the present invention provides the following technical solutions: the utility model provides a plastic mould with ejecting structure of secondary, including cover half 5 and movable mould 4, wherein movable mould 4 is located the top of cover half 5, the internally mounted of movable mould 4 has injection moulding piece 2, the below of cover half 5 is provided with base 13, and the externally mounted of base 13 has card strip 12, draw-in groove 19 has been seted up to the inside of card strip 12, and the top of card strip 12 is provided with guard plate 9, the bottom of guard plate 9 is located card strip 12 department, its top is located the outside of top mould 5, single card strip 12 is single group protective structure with guard plate 9, be provided with four protective structure altogether, externally to plywood 6, balance board 10 and middle plate 11 form the wraparound formula protective structure, the disconnect-type forms the effect of hiding to the space that produces between the module that does not get, avoid having the foreign matter card to go into, the below of guard plate 9 is provided with block sand grip 17, block sand grip 17 and draw-in groove 19 phase-match.

Further, the internally mounted of base 13 has mounting panel 15 and roof 16, and base 13 is inside to be hollow structure, still has certain space after placing mounting panel 15 and roof 16 to supply roof 16 and mounting panel 15 to reciprocate, and mounting panel 15 is located the top of roof 16, and the internally mounted of mounting panel 15 has main ejector rod 8.

Furthermore, middle plate 11 is installed above base 13, and balance board 10 is installed above middle plate 11, and the internally mounted of balance board 10 has spacing ejecting post 7, and spacing ejecting post 7 is provided with two altogether, runs through to it and carries on spacingly with combination board 6 to it, prevents that different modules from taking place the condition of dislocation when removing.

Specifically, a combination plate 6 is installed above the balance plate 10, the limit ejection column 7 penetrates through the fixed mold 5 and extends to the upper side of the fixed mold 5, when the main ejection rod 8 performs ejection operation, the maximum ejection value is that the top surface of the ejection column 7 is flush with the upper surface wall of the fixed mold 5, so that a plastic part can be taken out, and an ejection part 18 and a spring 20 are installed inside the fixed mold 5.

It is worth mentioning that the main ejection rod 8 penetrates through the middle plate 11, the balance plate 10 and the protection plate 9 and extends to the inside of the protection plate 9, the bottom plate 14 is installed below the base 13 and the top plate 16, a through hole is formed below the bottom plate 14, and a power source for installing an ejection structure below passes through a hole in the bottom plate 14 and contacts with the top plate 16.

Further, an embedded groove is formed in the upper portion of the movable mold 4, the magnetic block 1 is installed in the embedded groove, the dustproof cover 3 is installed above the magnetic block 1, the dustproof cover 3 is made of metal materials, the edge of the dustproof cover is matched with the embedded groove, and a sealing structure is formed for an injection molding opening above the injection molding block 2 after the dustproof cover is adsorbed by the magnetic block 1.

The working principle and the using process of the utility model are as follows: when the utility model is used, a base 13 is arranged above a bottom plate 14, a mounting plate 15 and a top plate 16 are sequentially assembled in the base 13, wherein a main ejection rod 8 penetrates through the mounting plate 15 to extend upwards, a middle plate 11 is arranged above the base 13, a limit ejection column 7 and a balance plate 10 are arranged above the middle plate 11, a river combination plate 6 is sleeved outside the limit ejection column 7, a fixed die 5 is arranged above the combination plate 6, an ejection piece 18 and a spring 20 are arranged in the fixed die 5, a 12 is inserted into an embedded groove in the outer part of the base 13, a clamping convex strip 17 below a protection plate 9 is inserted into a clamping groove 19 to form a protection structure outside different components by means of the protection plate 9, so that dust is prevented from separating from the components and entering the gap, when the utility model is put into use, a movable die 4 is covered above the fixed die 5, injection is carried out from an injection molding block 2, and when the whole die groove is filled, the injection molding spring 20 is stopped to rebound after pressure during injection molding is avoided, the plastic part is ejected for the first time, the plastic part is separated, the ejector structure is used for pushing the top plate 16 to drive the main ejector rod 8 to move upwards below the bottom plate 14 after the movable mold 4 is moved away, secondary ejection is carried out, then the plastic part is taken out, when the injection molding machine is stopped, the dust cover 3 is buckled in the groove above the movable mold 4, the injection molding opening of the injection molding block 2 is blocked by the dust cover 3, and dust falling in the injection molding block 2 is avoided.

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

Claims

1. The utility model provides a plastic mould with ejecting structure of secondary which characterized in that: including cover half (5) and movable mould (4), wherein movable mould (4) are located the top of cover half (5), the internally mounted of movable mould (4) has injection moulding piece (2), the below of cover half (5) is provided with base (13), and the externally mounted of base (13) has card strip (12), draw-in groove (19) have been seted up to the inside of card strip (12), and the top of card strip (12) is provided with guard plate (9), the below of guard plate (9) is provided with block sand grip (17), block sand grip (17) and draw-in groove (19) phase-match.

2. The plastic mold with double ejection structure as claimed in claim 1, wherein: the interior mounting of base (13) has mounting panel (15) and roof (16), and mounting panel (15) are located the top of roof (16), the interior mounting of mounting panel (15) has main ejector pin (8).

3. The plastic mold with double ejection structure as claimed in claim 2, wherein: middle plate (11) are installed to the top of base (13), and balance board (10) are installed to the top of middle plate (11), the internally mounted of balance board (10) has spacing ejecting post (7).

4. The plastic mold with double ejection structure as claimed in claim 3, wherein: combination board (6) are installed to the top of weighing apparatus board (10), spacing ejecting post (7) run through the top that cover half (5) extended to cover half (5), the internally mounted of cover half (5) has ejecting (18) and spring (20).

5. The plastic mold with double ejection structure as claimed in claim 4, wherein: main ejector rod (8) run through in inside that well board (11), balance weight board (10) and guard plate (9) extend to guard plate (9), bottom plate (14) are installed to the below of base (13) and roof (16).

6. The plastic mold with double ejection structure as claimed in claim 1, wherein: an embedded groove is formed in the upper portion of the movable mold (4), a magnetic block (1) is installed in the embedded groove, and a dustproof cover (3) is installed above the magnetic block (1).