CN215550513U - Automatic injection mold convenient to die sinking - Google Patents

Abstract

The utility model discloses an automatic injection mold convenient for mold opening, which comprises a base, wherein the top of the base is provided with a fixed mold, the top of the fixed mold is provided with a movable mold for injection molding, a top moving part for pushing the movable mold is arranged inside the fixed mold, the two sides of the fixed mold are provided with air inlet holes, the inside of the air inlet holes is provided with a top block which can move through air, the utility model arranges the air inlet holes on the two sides of the fixed mold to be communicated with a guide hole, a top block is arranged at the position of the air inlet hole close to the guide hole and is used for pushing an elastic piece arranged on a guide post, the elastic piece arranged on the guide post is used for fixing the position of the movable die for closing the die, the pushing piece is arranged between the guide post and the bottom of the guide hole, the die is used for ejecting the movable die, so that a gap is formed between the movable die and the fixed die, and the problem that the movable die and the die opening power part fall off to cause die damage due to the fact that the movable die and the fixed die are tightly adsorbed when the existing die opening is carried out is solved through the cooperation between the structures.

Description

Automatic injection mold convenient to die sinking

Technical Field

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

Background

The die is a tool for forming a blank into a product with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. When the blank is closed, the blank is injected into the die cavity for forming. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, and the development level of die production is one of important marks of the mechanical manufacturing level.

When current mould movable mould and cover half compound die, be in sealedly between movable mould and the cover half, movable mould and cover half contact site often closely adsorb because sealed and be in the same place, and when the die sinking, the movable mould removes, because the contact surface adsorbs inseparable relation, causes the die sinking difficulty, and movable mould die sinking power part junction takes place not hard up when often can appearing the die sinking, leads to the movable mould to take place to drop and leads to the fact the damage problem of mould. Therefore, an automatic injection mold convenient for mold opening is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic injection mold convenient for mold opening, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an automatic injection mold convenient to die sinking, includes the base, the base top is equipped with the cover half, the cover half top is equipped with the movable mould that is used for injection moulding, the inside top movable part that is used for pushing up the movable mould that is equipped with of cover half, the inlet port has been seted up to the cover half both sides, the inside kicking block that removes through gas that is equipped with of inlet port.

Preferably, the fixed die comprises four guide pillars which are uniformly distributed and connected to the bottom of the top, elastic holes are formed in the outer sides of the four guide pillars, elastic pieces used for clamping are arranged in the elastic holes, and after the movable die is closed, the elastic pieces are clamped.

Preferably, the elastic part is including connecting the joint spring in elasticity hole bottom, joint spring one end is equipped with the joint piece, the joint piece removes the joint through the joint spring.

Preferably, the ejecting piece comprises a connecting block, an ejecting spring is arranged at one end of the connecting block, a contact block is arranged at one end of the ejecting spring, one end of the contact block is used for ejecting the guide column for use, and the ejecting spring is compressed by the guide column ejecting the contact block.

Preferably, four guide holes which are uniformly distributed are formed in the top of the fixed die, the four guide holes are used for sliding of guide pillars, the ejector is arranged at the bottom end of each guide hole, air holes are formed in the fixed die, sliding holes are formed in the positions where the air holes are communicated with the guide holes, ejector blocks are arranged in the sliding holes, and the top end of each guide hole is chamfered to enable the elastic piece to enter the guide holes.

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

1. according to the utility model, the air inlets are formed in the two sides of the fixed die and are used for being communicated with the guide hole, the ejector block is arranged at the position, close to the guide hole, of each air inlet and is used for ejecting the elastic piece arranged on the guide pillar, the elastic piece arranged on the guide pillar is used for fixing the die closing position of the movable die, and the ejector piece between the guide pillar and the bottom of the guide hole is used for ejecting the movable die out, so that a gap is formed between the movable die and the fixed die.

2. According to the utility model, the through-air holes are arranged, the sliding holes are formed in the through-air holes close to the guide holes and used for placing the ejector blocks in the sliding holes, the ejector blocks are ejected by injecting gas, the elastic piece is ejected out of the sliding holes, and the ejector piece at one end of the guide post ejects the movable die open, so that a gap is formed between the movable die and the fixed die, and the die opening is convenient.

Drawings

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

FIG. 2 is a schematic view of the moving mold structure of the present invention;

FIG. 3 is a schematic view of the structure of the elastic member of the present invention;

FIG. 4 is a schematic structural view of the ejector of the present invention;

FIG. 5 is a schematic diagram of a fixed mold structure according to the present invention.

In the figure: 1-a base; 2-fixing the mold; 3-moving the mold; 4-a jack; 5-air inlet holes; 6-a top block; 7-air passing holes; 8-a sliding hole; 9-a guide hole; 31-guide pillar; 32-a resilient aperture; 33-an elastic member; 331-a snap spring; 332-a clamping block; 41-connecting block; 42-a top moving spring; 43-contact block.

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 automatic injection mold convenient for mold opening is characterized in that air inlets 5 are formed in two sides of a fixed mold 2 and are used for being communicated with a guide hole 9, an ejector block 6 is arranged at a position, close to the guide hole 9, of each air inlet 5 and is used for ejecting an elastic piece 33 arranged on a guide pillar 31, the elastic piece 33 arranged on the guide pillar 31 is used for fixing the mold closing position of a movable mold 3, an ejector piece 4 arranged between the guide pillar 31 and the bottom of the guide hole 9 is used for ejecting the movable mold 3 to enable a gap to be formed between the movable mold 3 and the fixed mold 2, an air passing hole 7 is arranged, a sliding hole 8 is formed in a position, close to the guide hole 9, of the air passing hole 7 and is used for placing the ejector block 6 in the sliding hole 8, the ejector block 6 is ejected out of the elastic piece 33 from the sliding hole 8 through gas injection, the ejector piece 4 at one end of the guide pillar 31 ejects the movable mold 3 to enable a gap to be formed between the movable mold 3 and the fixed mold 2, and the mold opening is convenient, through the cooperation between these several kinds of structures, solved current when the die sinking because movable mould 3 and cover half 2 adsorb closely, lead to movable mould 3 and die sinking power component to take place to drop and cause the problem of mould damage.

This automatic injection mold convenient to die sinking includes base 1, and base 1 top is connected with cover half 2, and 2 tops of cover half are connected with the movable mould 3 that is used for injection moulding, and 2 internal connection of cover half have the top movable part 4 that is used for pushing up movable mould 3, and inlet port 5 has been seted up to 2 both sides of cover half, and 5 internal connection of inlet port have through the kicking block 6 of gas removal.

Four evenly distributed's guiding hole 9 have been seted up at 2 tops of cover half, and the inlet port 5 of 2 both sides of cover half is including seting up at the inside gas pocket 7 of cover half 2, crosses gas pocket 7 and guiding hole 9 intercommunication, crosses the position of gas pocket 7 and guiding hole 9 intercommunication and offers sliding hole 8, 8 inside sliding connection kicking blocks 6 of sliding hole, and kicking blocks 6 moves through gas, carries out the top to elastic component 33.

The movable mould 3 includes guide pillar 31 of four cooperation guiding holes 9 that the bottom is connected, elastic hole 32 has been seted up on the guide pillar 31, elastic part 33 of elastic hole 32 internal connection, movable mould 3 inserts guiding hole 9 through guide pillar 31 inside and carries out the compound die, the back is accomplished to the compound die, elastic part 33 joint is inside to sliding hole 8, push up 6 one ends in sliding hole 8 with kicking block, elastic part 33 is including connecting the joint spring 331 in elastic hole 32 bottom, the one end that elastic hole 32 bottom was kept away from to joint spring 331 is connected with joint piece 332, during the compound die, the top movable part 4 of guiding hole 9 bottoms is moved in guide pillar 31 top.

The ejector 4 comprises a connecting block 41 connected to the bottom end of the guide hole 9, one end, away from the bottom end of the guide hole 9, of the connecting block 41 is connected with an ejector spring 42, one end, away from the connecting block 41, of the ejector spring 42 is connected with a contact block 43, and the contact block 43 is in contact with one end of the guide column 31.

The working principle is as follows: when the movable mold 3 is closed, the guide pillar 31 is inserted into the guide hole 9, the clamping block 332 slowly pushes the clamping spring 331 through a round angle at the opening end of the guide hole 9, so that the clamping block 332 moves into the guide hole 9, at the moment, the guide pillar 31 pushes the contact block 43, the spring at one end of the contact block 43 is compressed, when the clamping block 332 pushes the sliding hole 8 through the clamping spring 331, closing of the mold is completed, after injection molding is completed and demolding is needed, gas is filled into the gas passing hole 7 through the gas inlet hole 5, enters the sliding hole 8 through the gas passing hole 7, the clamping block 332 is pushed by pushing the top block 6, the clamping block 332 pushes the sliding hole 8 out through extruding the clamping spring 331, at the moment, the top moving spring 42 rebounds, the guide pillar 31 is pushed open, a gap is formed between the movable mold 3 and the fixed mold 2, and the movable mold 3 is moved to open the fixed mold 2 through external power.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (5)

1. The utility model provides an automatic injection mold convenient to die sinking, includes base (1), its characterized in that: base (1) top is equipped with cover half (2), cover half (2) top is equipped with movable mould (3) that are used for injection moulding, cover half (2) inside is equipped with ejector (4) that are used for ejecting movable mould (3), inlet port (5) have been seted up to cover half (2) both sides, inlet port (5) inside is equipped with kicking block (6) that remove through gas.

2. The automatic injection mold convenient for mold opening of claim 1, wherein: the fixed die (2) comprises four guide pillars (31) which are uniformly distributed and connected to the bottom of the top, elastic holes (32) are formed in the outer sides of the four guide pillars (31), elastic pieces (33) used for clamping are arranged in the elastic holes (32), and after the movable die (3) is assembled, the elastic pieces (33) complete clamping.

3. The automatic injection mold convenient for mold opening of claim 2, wherein: elastic component (33) are including connecting joint spring (331) in elasticity hole (32) bottom, joint spring (331) one end is equipped with joint piece (332), joint piece (332) remove the joint through joint spring (331).

4. The automatic injection mold convenient for mold opening of claim 1, wherein: the ejection piece (4) comprises a connecting block (41), an ejection spring (42) is arranged at one end of the connecting block (41), a contact block (43) is arranged at one end of the ejection spring (42), one end of the contact block (43) is used for ejecting the guide pillar (31), and the ejection spring (42) is compressed by the guide pillar (31) ejecting the contact block (43).

5. The automatic injection mold convenient for mold opening of claim 1, wherein: four evenly distributed guiding holes (9) are seted up at cover half (2) top, four guiding holes (9) are used for guide pillar (31) slip to use, ejector (4) set up in guiding hole (9) bottom, gas pocket (7) have all been seted up to cover half (2) inside, slide opening (8) have been seted up with the position of guiding hole (9) intercommunication in gas pocket (7), slide opening (8) inside be used for setting up kicking block (6), guiding hole (9) top position carries out the radius angle and is used for elastic component (33) can get into guiding hole (9).

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