CN214000358U

CN214000358U - Injection mold with limiting function

Info

Publication number: CN214000358U
Application number: CN202022382147.5U
Authority: CN
Inventors: 朱敏
Original assignee: Ningbo Hongsheng Intelligent Technology Co ltd
Current assignee: Ningbo Hongsheng Intelligent Technology Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-08-20
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses an injection mold with limit function, including injection molding upper cover, injection molding layer, pouring channel and base, the base top is fixed with the injection molding layer, and injection molding layer top is equipped with the injection molding upper cover, be fixed with the pouring channel on the injection molding layer top surface, and the pouring channel top is worn out the injection molding upper cover and is linked together with the external world, injection molding layer top surface is located pouring channel exit and has seted up the bottom of moulding plastics, and the position that injection molding upper cover bottom corresponds the bottom of moulding plastics is fixed with the upper layer of moulding plastics, the bottom of moulding plastics is extrusion contact with the upper layer of moulding plastics, the bottom of moulding plastics is surperficial to be equipped with the groove of moulding plastics corresponding pouring channel exit on the bottom of moulding plastics, this kind of injection mold with limit function, under the effect of fixed establishment, realized to the die cavity when moulding plastics, the effect of the mould of accomplishing of removing fixedly after the injection molding, conveniently takes out the effect of the mould that the injection molding was accomplished, compared with the prior art, more stable, and production efficiency is higher, reduces the productivity ratio of wastrel.

Description

Injection mold with limiting function

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold with limit function.

Background

The mould is a tool which can make the 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.

The existing injection mold equipment has the factor that a mold cavity is unstable when an injection molding base is produced, so that the probability of producing defective products is increased easily, and therefore, an injection mold with a limiting function is provided.

Disclosure of Invention

An object of the utility model is to provide a convenient mould chamber of moulding plastics is fixed, removes fixed injection mold who has limit function to the mould chamber after accomplishing to mould plastics to solve the problem that proposes in the 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 with limit function, is including moulding plastics upper cover, the layer of moulding plastics, pouring channel and base, the base top is fixed with the layer of moulding plastics, and moulds plastics a layer top and be equipped with the upper cover of moulding plastics, it is fixed with the pouring channel on the top surface to mould plastics, and wears out the upper cover of moulding plastics and external intercommunication at pouring channel top, the bottom of moulding plastics is located pouring channel exit and has seted up the bottom of moulding plastics, and the upper cover bottom of moulding plastics corresponds the position of the bottom of moulding plastics and be fixed with the upper strata of moulding plastics, the bottom of moulding plastics is extrusion contact with the upper strata of moulding plastics, the bottom of moulding plastics corresponds pouring channel exit on the surface and has seted up the groove of moulding plastics, and the bottom of moulding plastics is located on the surface that the groove both sides of moulding plastics correspond and is equipped with the die cavity, it is equipped with the fixed establishment that can carry out limit fixing to the die cavity when the pouring to mould plastics layer one side.

Preferably, the positions of the two sides of the injection molding groove corresponding to the mold cavity are symmetrically and equidistantly provided with a splitter box, the mold cavity is communicated with the injection molding groove through the splitter box, one side of the mold cavity, far away from the splitter box, is equidistantly provided with overflow outlets, and the surface of the injection molding layer is provided with a discharge groove corresponding to the overflow outlets.

Preferably, the fixed establishment includes mounting bracket, cylinder, connecting plate, limiting bottom plate, sliding plate, limiting top plate and grafting post, the connecting plate is established in the layer outer wall one side of moulding plastics, and the connecting plate is kept away from and is fixed with the mounting bracket on one side of the layer of moulding plastics, the inside fixed mounting of mounting bracket has the cylinder, and the cylinder stretches out the end and passes the connecting plate and be fixed with the sliding plate, it is fixed with limiting bottom plate to be located the sliding plate bottom symmetry near connecting plate one side of moulding plastics the layer, and limiting bottom plate top symmetry is fixed with limiting top plate, the sliding plate slides and pegs graft inside limiting bottom plate and limiting top plate, the die cavity top is fixed with fixed cover, and the sliding plate is close to die cavity one side symmetry and is fixed with the grafting post, the grafting post is pegged graft for sliding with fixed cover.

Preferably, the top of the mounting frame is fixedly provided with a telescopic rod, and one side of the telescopic rod, which is close to the sliding plate, is fixedly connected with the extending end of the cylinder through a connecting rod.

Preferably, the four corners of the injection layer are symmetrically fixed with limiting columns, and the limiting columns are in sliding insertion connection with the injection upper cover.

Preferably, the base is internally provided with a pneumatic push rod corresponding to the injection molding bottom layer in a fixed position, a top column is fixed at the top of the pneumatic push rod, the injection molding layer is positioned in the mold cavity and provided with a through hole, and the top column is in sliding insertion connection with the through hole.

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

the utility model discloses when the operative installations carries out the injection molding to the base, the injection molding liquid gets into the injection molding groove through the pouring channel, get into the die cavity inside through the reposition of redundant personnel effect of splitter box and carry out the injection molding, open the cylinder, the cylinder promotes the sliding plate and slides in the inside of spacing bottom plate and spacing roof, make the peg graft post insert the fixed cover inside at die cavity top, form the fixed action to it, after the completion of injection molding, withdraw the cylinder and stretch out the end, make the sliding plate reverse movement, the peg graft post breaks away from the grafting effect with the fixed cover, remove the fixed to the die cavity, after the completion of injection molding, open pneumatic push rod, the peg promotes mould and die cavity and moves out the injection molding bottom, conveniently take out the mould, this kind of injection mould with spacing function, under the effect of fixed establishment, realized the fixed of die cavity when moulding plastics, remove the fixed after the completion of injection molding, conveniently take out the effect of the mould of injection molding completion, compared with the prior art, more stable, and production efficiency is higher, reduces the productivity ratio of wastrel.

Drawings

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

FIG. 2 is a schematic view of the fixing mechanism of the present invention;

FIG. 3 is a schematic view of the connection between the fixing mechanism and the mold cavity;

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

FIG. 5 is a schematic view of the top structure of the injection layer of the present invention;

fig. 6 is a schematic view of the internal structure of the mold cavity of the present invention.

In the figure: 1. injection molding an upper cover; 11. injection molding the upper layer; 2. an injection molding layer; 21. a limiting column; 22. injection molding the bottom layer; 23. perforating; 24. injection molding a groove; 241. a shunt slot; 25. an overflow outlet; 26. a discharge chute; 3. pouring a channel; 4. a base; 5. a fixing mechanism; 51. a mounting frame; 52. a telescopic rod; 53. a cylinder; 54. a connecting plate; 55. a limiting bottom plate; 56. a sliding plate; 57. a limiting top plate; 58. inserting the column; 6. a pneumatic push rod; 61. a top pillar; 7. a mold cavity; 71. and (4) fixing sleeves.

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 work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, an injection mold 4 with a limiting function in the drawings comprises an injection upper cover 1, an injection layer 2, a pouring channel 3 and a base 4, wherein the injection layer 2 is fixed on the top of the base 4, the injection upper cover 1 is arranged on the top of the injection layer 2, the pouring channel 3 is fixed on the top surface of the injection layer 2, the top of the pouring channel 3 penetrates through the injection upper cover 1 to be communicated with the outside, an injection bottom layer 22 is arranged on the top surface of the injection layer 2 at an outlet of the pouring channel 3, an injection upper layer 11 is fixed on the bottom of the injection upper cover 1 at a position corresponding to the injection bottom layer 22, the injection bottom layer 22 is in extrusion contact with the injection upper layer 11, an injection groove 24 is arranged on the surface of the injection bottom layer 22 at an outlet corresponding to the pouring channel 3, mold cavities 7 are correspondingly arranged on two sides of the injection bottom layer 22 at two sides of the injection groove 24, a fixing mechanism 5 capable of limiting and fixing the mold cavities 7 is, when the device is used for injection molding of the base 4, injection molding liquid enters the injection molding groove 24 through the pouring channel 3 and enters the die cavity 7 for injection molding under the shunting action of the shunting groove 241, after injection molding is completed, the fixing mechanism 5 is opened to release the fixation of the die cavity 7, and the die cavity 7 are ejected out of the injection molding bottom layer 22 together under the action of the pneumatic push rod 6 and the ejection column 61.

Referring to fig. 2 and 3, the two sides of the injection molding groove 24 are symmetrically provided with the dividing grooves 241 at equal intervals corresponding to the positions of the mold cavity 7, the mold cavity 7 is communicated with the injection molding groove 24 through the dividing grooves 241, the mold cavity 7 is provided with the overflow ports 25 at equal intervals away from the dividing grooves 241, the surface of the injection molding layer 2 is provided with the discharge grooves 26 corresponding to the overflow ports 25, the dividing grooves 241 effectively enable the injection molding liquid inside the mold cavity 7 to be uniformly distributed and not to be stacked together, and when the injection molding liquid inside the mold cavity 7 is filled, the injection molding liquid flows out from the overflow ports 25 through the discharge grooves 26.

Referring to fig. 1, 2 and 3, the fixing mechanism 5 includes a mounting frame 51, an air cylinder 53, a connecting plate 54, a limiting bottom plate 55, a sliding plate 56, a limiting top plate 57 and a plug-in post 58, the connecting plate 54 is disposed on one side of the outer wall of the injection layer 2, the mounting frame 51 is fixed on one side of the connecting plate 54 away from the injection layer 2, the air cylinder 53 is fixedly mounted inside the mounting frame 51, the extending end of the air cylinder 53 penetrates through the connecting plate 54 to be fixed with the sliding plate 56, the limiting bottom plate 55 is symmetrically fixed on one side of the injection layer 2 close to the connecting plate 54 at the bottom of the sliding plate 56, the limiting top plate 57 is symmetrically fixed on the top of the limiting bottom plate 55, the sliding plate 56 is slidably plugged inside the limiting bottom plate 55 and the limiting top plate 57, the fixing sleeve 71 is fixed on the top of the mold cavity 7, the plug-in post 58 is symmetrically fixed on one side of the sliding plate 56 close to the mold cavity 7, and the plug-in post 58 is slidably plugged with the fixing sleeve 71, and when the air cylinder 53 is started, the air cylinder 53 pushes the sliding plate 56 to slide in the limiting bottom plate 55 and the limiting top plate 57, so that the insertion column 58 is inserted into the fixing sleeve 71 at the top of the mold cavity 7 to fix the fixing sleeve, and after the injection molding is finished, the extending end of the air cylinder 53 is withdrawn, so that the sliding plate 56 moves reversely, and the insertion column 58 is separated from the insertion effect of the fixing sleeve 71.

Referring to fig. 2 and 3, an expansion rod 52 is fixedly mounted at the top of the mounting frame 51, and one side of the expansion rod 52 close to the sliding plate 56 is fixedly connected with the extending end of the air cylinder 53 through a connecting rod, so that the extending end of the air cylinder 53 is limited and guided to a certain extent, and the movement of the expansion rod is more stable.

Referring to fig. 2, the injection layer 2 is symmetrically fixed with limiting posts 21 at four corners, the limiting posts 21 are slidably inserted into the injection upper cover 1, and the sliding posts are slidably inserted into the injection upper cover 1, so that the injection upper cover 1 and the injection layer 2 are stably connected during the injection process.

Referring to fig. 4, 5 and 6, a pneumatic push rod 6 is fixedly installed in the base 4 at a position corresponding to the injection bottom layer 22, a top post 61 is fixed at the top of the pneumatic push rod 6, a through hole 23 is formed in the injection layer 2 at the position of the mold cavity 7, the top post 61 is inserted into the through hole 23 in a sliding manner, after the injection is completed, the pneumatic push rod 6 is opened, and the top post 61 pushes the mold and the mold cavity 7 to move out of the injection bottom layer 22, so that the mold is convenient to take out.

In the scheme, when the base 4 is injected by using the device, injection liquid enters the injection groove 24 through the pouring channel 3, enters the inside of the mold cavity 7 for injection through the shunting action of the shunting groove 241, the cylinder 53 is opened, the cylinder 53 pushes the sliding plate 56 to slide in the limiting bottom plate 55 and the limiting top plate 57, so that the inserting column 58 is inserted into the fixing sleeve 71 at the top of the mold cavity 7 to form a fixing action, after the injection is completed, the extending end of the cylinder 53 is retracted, the sliding plate 56 moves reversely, the inserting column 58 is separated from the inserting action with the fixing sleeve 71, the fixing to the mold cavity 7 is released, after the injection is completed, the pneumatic push rod 6 is opened, the top column 61 pushes the mold and the mold cavity 7 to move out of the injection bottom layer 22, the mold is convenient to take out, the injection mold 4 with the limiting function realizes the fixing of the mold cavity 7 during injection under the action of the fixing mechanism 5, the effect of conveniently taking out the mould of accomplishing of moulding plastics after the completion of moulding plastics is fixed, for prior art, more stable, and production efficiency is higher, reduces the productivity ratio of wastrel.

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

Claims

1. The utility model provides an injection mold with limit function, is including moulding plastics upper cover (1), the layer (2), pouring channel (3) and base (4) of moulding plastics, base (4) top is fixed with the layer (2) of moulding plastics, and moulds plastics layer (2) top and be equipped with the upper cover (1) of moulding plastics, it is fixed with pouring channel (3) on the layer (2) top surface to mould plastics, and pouring channel (3) top is worn out the upper cover (1) of moulding plastics and is linked together its characterized in that with the external world: the utility model discloses a mould plastics, including injection layer (2), upper cover (1), bottom and upper cover (3), the injection layer top surface is located pouring channel (3) exit and has seted up injection moulding bottom (22), and the upper cover (1) bottom of moulding plastics corresponds the position fixation of the bottom (22) of moulding plastics and has moulded plastics upper strata (11), injection moulding bottom (22) and upper strata (11) of moulding plastics are extrusion contact, injection moulding bottom (22) correspond pouring channel (3) exit on the surface and have seted up the groove (24) of moulding plastics, and injection moulding bottom (22) lie in on the surface that mould plastics groove (24) both sides correspond and are equipped with die cavity (7), it is equipped with fixed establishment (5) that can carry out spacing fixed to die cavity (7) when the pouring to mould plastics layer (2) one side.

2. The injection mold with the limiting function according to claim 1, wherein: the position symmetry equidistance that moulds plastics groove (24) both sides correspond die cavity (7) has seted up splitter box (241), and die cavity (7) through splitter box (241) with mould plastics groove (24) intercommunication, overflow mouth (25) have been seted up to one side equidistance that splitter box (241) was kept away from in die cavity (7), and mould plastics layer (2) and seted up discharge groove (26) in the position that corresponds overflow mouth (25) on the surface.

3. The injection mold with the limiting function according to claim 1, wherein: the fixing mechanism (5) comprises a mounting frame (51), an air cylinder (53), a connecting plate (54), a limiting bottom plate (55), a sliding plate (56), a limiting top plate (57) and an inserting column (58), the connecting plate (54) is arranged on one side of the outer wall of the injection layer (2), the mounting frame (51) is fixed on one side, away from the injection layer (2), of the connecting plate (54), the air cylinder (53) is fixedly mounted inside the mounting frame (51), the extending end of the air cylinder (53) penetrates through the connecting plate (54) to be fixed with the sliding plate (56), the limiting bottom plate (55) is symmetrically fixed at the bottom of the sliding plate (56) on one side, close to the connecting plate (54), of the injection layer (2), the limiting top plate (55) is symmetrically fixed at the top of the limiting bottom plate (55), the sliding plate (56) is inserted inside the limiting bottom plate (55) and the limiting top plate (57) in a sliding mode, and a fixing sleeve (71) is fixed at the top of the mold cavity (7), and the side of the sliding plate (56) close to the die cavity (7) is symmetrically fixed with inserting columns (58), and the inserting columns (58) are in sliding insertion connection with the fixed sleeve (71).

4. An injection mold with a limiting function according to claim 3, characterized in that: the top of the mounting frame (51) is fixedly provided with a telescopic rod (52), and one side of the telescopic rod (52) close to the sliding plate (56) is fixedly connected with the extending end of the air cylinder (53) through a connecting rod.

5. The injection mold with the limiting function according to claim 1, wherein: the four corners of the injection molding layer (2) are symmetrically fixed with limiting columns (21), and the limiting columns (21) are in sliding insertion connection with the injection molding upper cover (1).

6. The injection mold with the limiting function according to claim 1, wherein: the inside position fixed mounting that corresponds bottom of moulding plastics (22) of base (4) has pneumatic push rod (6), and pneumatic push rod (6) top is fixed with fore-set (61), it has seted up perforation (23) to mould plastics layer (2) and be located die cavity (7) position, and fore-set (61) and perforation (23) slip grafting.