CN217803025U

CN217803025U - Injection mold convenient for demolding

Info

Publication number: CN217803025U
Application number: CN202221684265.4U
Authority: CN
Inventors: 陆军峰
Original assignee: Kunshan Baili Plastic Products Co ltd
Current assignee: Kunshan Baili Plastic Products Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-11-15
Anticipated expiration: 2032-07-01

Abstract

The utility model discloses a belong to injection mold technical field, specifically be an injection mold of convenient drawing of patterns, including bottom plate and mould, the mould includes mould and bed die, the bottom plate upside is provided with the base, the standing groove has been seted up to the base upside, the bed die has been placed in the standing groove, bed die lower extreme edge is provided with the slide bar, the slide opening has been seted up to the standing groove downside, slide bar and slide opening sliding connection, the buffer tank has been seted up to the standing groove downside, install the spring between buffer tank bottom and the bed die lower extreme, install first pneumatic cylinder on the bottom plate, first pneumatic cylinder output is connected with the push rod, the push rod runs through the base, through the supporting role of spring, makes the bed die can carry out a certain amount and reciprocate, and the better and bed die carry out extrusion contact of going up the mould conveniently, through the sliding connection of slide bar and slide opening, makes the bed die can carry out stable buffering and remove.

Description

Injection mold convenient for demolding

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold of convenient drawing of patterns.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used in mass production of some parts having complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

The injection mold is filled with injection molding melt, a workpiece is obtained after cooling and demolding, the quality of demolding affects the quality of the workpiece, and the workpiece and the mold are tightly matched, so that the existing injection mold is inconvenient to demold.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold of convenient drawing of patterns to there is certain inconvenient problem in the drawing of patterns of the current injection mold who proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold of convenient drawing of patterns, includes bottom plate and mould, the mould includes mould and bed die, the bottom plate upside is provided with the base, the standing groove has been seted up to the base upside, the bed die has been placed in the standing groove, bed die lower extreme edge is provided with the slide bar, the slide opening has been seted up to the standing groove downside, slide bar and slide opening sliding connection, the buffer slot has been seted up to the standing groove downside, install the spring between buffer slot bottom and the bed die lower extreme, install first pneumatic cylinder on the bottom plate, first pneumatic cylinder output is connected with the push rod, the push rod runs through the base, the mould chamber has been seted up to the bed die upside, push rod and bed die sliding connection, just the push rod upper end is provided with the push pedal, the push pedal is located the mould chamber bottom, bed die upside outer wall is provided with the dog, spacing seat is installed to the base upper end, the bed die is installed to the bed die upside, be provided with the support on the bottom plate, install the second pneumatic cylinder between support and the bed die upper end.

Preferably, the number of the sliding rods is not less than four.

Preferably, the edge of the outer side of the lower end of the upper die is provided with a guide rod, and the upper side of the lower die is provided with a guide hole matched with the guide rod.

Preferably, the push plate is in sealing fit with the lower die.

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

1) The lower die can move up and down in a certain amount under the supporting action of the spring, so that the upper die can be in extrusion contact with the lower die better, and the lower die can stably buffer and move through the sliding connection of the sliding rod and the sliding hole;

2) Through the cooperation of dog and spacing seat, during the drawing of patterns, first pneumatic cylinder drives the push rod rebound, and the push rod drives the push pedal and shifts up, hinders the dog through spacing seat for after dog and spacing seat contact, the bed die can't remove, then the push pedal is released the work piece, and the drawing of patterns is convenient and drawing of patterns efficiency is higher.

Drawings

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

fig. 2 is the schematic view of the cross-sectional structure of the lower mold and the base.

In the figure: 1. a base plate; 2. a base; 3. a support; 4. a limiting seat; 5. an upper die; 6. a lower die; 7. a guide bar; 8. a second hydraulic cylinder; 9. a mold; 10. a first hydraulic cylinder; 11. a guide hole; 12. a slide bar; 13. a slide hole; 14. a spring; 15. a placement groove; 16. a buffer tank; 17. pushing the plate; 18. a push rod; 19. a mold cavity; 20. and a stop block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an injection mold of convenient drawing of patterns, includes bottom plate 1 and mould 9, mould 9 includes last mould 5 and

bed die

6, 1 upside of bottom plate is provided with base 2, standing groove 15 has been seted up to 2 upsides of base, bed die 6 has been placed in standing

groove

15, 6 lower extreme edges of bed die are provided with slide bar 12, sliding hole 13 has been seted up to standing groove 15 downside, slide bar 12 and sliding hole 13 sliding connection make bed die 6 can stably reciprocate, 16 dashpots have been seted up to 15 downsides of standing groove, install spring 14 between 16 bottoms of dashpots and the 6 lower extremes of bed die to bed die 6 can carry out a certain amount of cushioning movement, install first pneumatic cylinder 10 on bottom plate 1, first pneumatic cylinder 10 output is connected with push rod 18, push rod 18 runs through base 2, mould cavity 19 has been seted up to 6 upsides of bed die, push rod 18 and bed die 6 sliding connection, just push rod 18 upper end is provided with push pedal 17, push pedal 17 is located 19 bottoms of mould cavity, bed die 6 upsides is provided with dog 20, base 2 upper end installs spacing seat 4, carries out the removal to 6, 3 on the bed die support, 3 is provided with the second pneumatic cylinder upper end on the bed die support, the bed die support 3, the upper end is provided with the second pneumatic cylinder 5.

The number of the sliding rods 12 is not less than four.

The edge of the outer side of the lower end of the upper die 5 is provided with a guide rod 7, and the upper side of the lower die 6 is provided with a guide hole 11 matched with the guide rod 7.

The push plate 17 is in sealing fit with the lower die 6.

The working principle is as follows: through the supporting role of spring 14, make bed die 6 can carry out an amount of reciprocating, conveniently go up the better and bed die 6 of mould 56 and carry out extrusion contact, sliding connection through slide bar 12 and slide opening 13, make bed die 6 can carry out stable buffering and remove, cooperation through dog 20 and spacing seat 4, during the drawing of patterns, first pneumatic cylinder 10 drives push rod 18 rebound, push rod 18 drives push pedal 17 and shifts up, obstruct dog 20 through spacing seat 4, make after dog 20 and spacing seat 4 contact, bed die 6 can't remove, then push pedal 17 releases the work piece, the drawing of patterns is convenient and drawing of patterns efficiency is higher.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 an injection mold of convenient drawing of patterns, includes bottom plate (1) and mould (9), its characterized in that: the die (9) comprises an upper die (5) and a lower die (6), a base (2) is arranged on the upper side of the bottom plate (1), a placing groove (15) is formed in the upper side of the base (2), the lower die (6) is placed in the placing groove (15), a sliding rod (12) is arranged at the edge of the lower end of the lower die (6), a sliding hole (13) is formed in the lower side of the placing groove (15), the sliding rod (12) is in sliding connection with the sliding hole (13), a buffering groove (16) is formed in the lower side of the placing groove (15), a spring (14) is arranged between the bottom of the buffering groove (16) and the lower end of the lower die (6), a first hydraulic cylinder (10) is arranged on the bottom plate (1), the output end of the first hydraulic cylinder (10) is connected with a push rod (18), the push rod (18) penetrates through the base (2), a die cavity (19) is formed in the upper side of the lower die (6), the push rod (18) is in sliding connection with the lower die (6), a push plate (18) is provided with a push plate (17), the upper end of the push plate (17) is positioned at the bottom of the die cavity (19), a limit block (4) is arranged on the outer wall of the base (4), an upper die (5) is installed on the upper side of the lower die (6), a support (3) is arranged on the bottom plate (1), and a second hydraulic cylinder (8) is installed between the support (3) and the upper end of the upper die (5).

2. The injection mold facilitating demolding as claimed in claim 1, wherein: the number of the sliding rods (12) is not less than four.

3. The injection mold facilitating demolding as claimed in claim 1, wherein: the edge of the outer side of the lower end of the upper die (5) is provided with a guide rod (7), and the upper side of the lower die (6) is provided with a guide hole (11) matched with the guide rod (7).

4. The injection mold facilitating demolding as claimed in claim 1, wherein: the push plate (17) is in sealing fit with the lower die (6).