CN210733105U

CN210733105U - Feeding mechanism of injection mold

Info

Publication number: CN210733105U
Application number: CN201921648028.0U
Authority: CN
Inventors: 刘加
Original assignee: Shenzhen Prix Electronics Co Ltd
Current assignee: Shenzhen Prix Electronics Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-12
Anticipated expiration: 2029-09-27

Abstract

The utility model relates to a technical field of plastic molding equipment discloses an injection mold feed mechanism wherein, is applied to injection mold, and this injection mold includes movable mould, quiet mould and ejection mechanism, the movable mould forms the die cavity with quiet mould cooperation, the mouth of moulding plastics has just been seted up to one side that is located the die cavity on the quiet mould, the runner has been seted up on the movable mould, runner intercommunication mouth and die cavity of moulding plastics, the runner communicates on the inner wall of die cavity towards quiet mould. The utility model discloses have and utilize the runner to make the die cavity lie in one side that the injection molding deviates from the surface with the intercommunication mouth of the mouth of moulding plastics, avoid the waste material to remain at the surface of injection molding, avoid follow-up processing on the surface to get rid of the waste material for the surface one shot forming of injection molding guarantees the surface quality's of injection molding effect.

Description

Feeding mechanism of injection mold

Technical Field

The utility model belongs to the technical field of the technique of plastic molding equipment and specifically relates to an injection mold feed mechanism is related to.

Background

The injection mold is widely applied to the plastic product processing industry. The injection mold is generally suitable for thermoplastic plastic heating forming, and the molten plastic is injected into a cavity of the mold through an injection molding machine by utilizing the hot melting principle of the thermoplastic plastic, then is cooled and shaped, and the mold is opened to take out a plastic product.

The current chinese patent with publication number CN203077514U discloses a buckle forming die structure, including quiet mould, movable mould and locate on the movable mould and by the oblique slider of ejection mechanism drive, slider one side has buckle shaping recess to one side, and oblique slider lower part side is provided with the draw-in groove, and the draw-in groove is connected with ejection mechanism one end cooperation, offers the mouth of moulding plastics that is used for connecting the injection molding machine on the quiet mould.

The above prior art solutions have the following drawbacks: the buckle of injection molding is used for connecting the installation, and then one side that the injection molding deviates from the buckle is the surface, and the surface of one side of injection molding mouth is towards to the injection molding promptly is the surface for remain the mouth of a river material on the surface of injection molding, need polish through follow-up cutting, and the cutting is polished and is easily left the mar at the injection molding surface, influences the surface quality of injection molding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an injection mold feed mechanism utilizes the runner to make the die cavity lie in the one side that the injection molding deviates from the surface with the intercommunication mouth of the mouth of moulding plastics, avoids the waste material to remain at the surface of injection molding, avoids follow-up processing on the surface to get rid of the waste material for the surface one shot forming of injection molding guarantees the surface quality of injection molding.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an injection mold feed mechanism, is applied to injection mold and goes up, and this injection mold includes movable mould, quiet mould and ejection mechanism, the movable mould forms the die cavity with quiet mould cooperation, the mouth of moulding plastics has been seted up to the one side that just is located the die cavity on the quiet mould, the runner has been seted up on the movable mould, runner intercommunication mouth and die cavity of moulding plastics, the runner communicates on the inner wall of die cavity towards quiet mould.

By adopting the technical scheme, the communicating port of the cavity and the injection molding port is positioned on one side (connected with the buckle) of the injection molding part deviating from the outer surface by utilizing the flow channel, so that waste materials are prevented from remaining on the outer surface of the injection molding part, follow-up processing on the outer surface is prevented from removing the waste materials, the outer surface of the injection molding part is formed in one step, and the surface quality of the injection molding part is ensured.

The utility model discloses further set up to: the runner is including locating the quiet chute on quiet mould surface, locating the dynamic groove on movable mould surface and passing the inside discharge orifice of movable mould, when movable mould and quiet mould laminating, the mutual lock in quiet chute and dynamic groove forms tubular structure.

Through adopting above-mentioned technical scheme, the surface of static mould, movable mould is located respectively to static chute, movable chute, reduces the length of drilling, convenient processing.

The utility model discloses further set up to: the through hole is formed in the movable die in the opening and closing direction of the movable die, the through hole penetrates through the movable die, the flow hole is communicated with the through hole, and a blocking block used for blocking the through hole is arranged at one end, far away from the cavity, of the through hole.

Through adopting above-mentioned technical scheme, the runner is worn to locate inside the movable mould, and need walk around the edge of die cavity, and the through-hole is the through hole, compares in the blind hole, and convenient processing and the downthehole waste material of taking out.

The utility model discloses further set up to: a feeding gap exists between one end, close to the cavity, of the blocking block and the through hole, and the end portion of the blocking block is flush with the surface of the movable die.

Through adopting above-mentioned technical scheme, reduce the volume that the raw materials was retained in the through-hole, reduce the waste material volume of remaining on the injection molding promptly, the follow-up waste material of getting rid of being convenient for reduces the waste of raw materials simultaneously.

The utility model discloses further set up to: one end of the plugging block, which is far away from the cavity, is connected with the ejection mechanism in a matching way.

Through adopting above-mentioned technical scheme, there is frictional force between waste material and through-hole, the sprue, and sprue cooperation ejection mechanism pushes out the waste material in the through-hole, avoids the waste material to pull the injection molding and leads to the injection molding to warp.

The utility model discloses further set up to: the distance between one end of the feeding gap, which is far away from the cavity, and the cavity is smaller than the stroke of the ejection mechanism.

Through adopting above-mentioned technical scheme, guarantee that the waste material breaks away from the through-hole completely.

The utility model discloses further set up to: the axis slope setting of discharge orifice, be equipped with the ejecting hole along the movable mould direction of opening and shutting on the lateral wall of dynamic groove, the downthehole slip of ejecting inlays and is equipped with the ejector pin, ejection mechanism is connected in the one end cooperation that the dynamic groove was kept away from to the ejector pin.

Through adopting above-mentioned technical scheme, ejector pin cooperation ejection mechanism for the waste material breaks away from the runner, need not the waste material in the artifical clearance runner, is favorable to improving production efficiency.

The utility model discloses further set up to: the flow hole is set to be a taper hole, and the diameter of one end, close to the through hole, of the flow hole is smaller.

By adopting the technical scheme, the waste material can be conveniently demoulded, and the ejector rod can eject the waste material conveniently.

The utility model discloses further set up to: and a bulge is arranged on the side wall of the dynamic flow groove and between the ejection hole and the flow hole, and the bulge enables the waste material to form a deformation groove.

Through adopting above-mentioned technical scheme, the arch makes and forms the deformation groove on the waste material for easily deformation when the waste material drawing of patterns, avoids the waste material card in the runner.

To sum up, the utility model discloses a beneficial technological effect does:

the communicating port of the cavity and the injection molding port is positioned on one side (the side connected with the buckle) of the injection molding part, which is far away from the outer surface, by utilizing the runner, so that waste materials are prevented from remaining on the outer surface of the injection molding part, the waste materials are prevented from being subsequently processed and removed on the outer surface, the outer surface of the injection molding part is molded at one time, and the surface quality of the injection molding part is ensured;

a feeding gap is formed between one end of the blocking block close to the cavity and the through hole, so that the volume of raw materials retained in the through hole is reduced, namely the volume of waste materials remained on the injection molding part is reduced, the subsequent removal of the waste materials is facilitated, and the waste of the raw materials is reduced;

the plug block is matched with the ejection mechanism to eject the waste material out of the through hole, so that the waste material is prevented from pulling the injection molding part to cause the deformation of the injection molding part.

Drawings

Fig. 1 is a schematic view of the sectioning structure of the flow channel of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure, 1, a moving die; 2. static molding; 21. an injection molding port; 3. a cavity; 4. an ejection mechanism; 5. a flow channel; 51. a static chute; 52. a dynamic flow groove; 53. an orifice; 54. a feed gap; 55. a protrusion; 6. a through hole; 61. blocking; 7. an ejection aperture; 71. and a push rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, for the utility model discloses an injection mold feed mechanism, be applied to injection mold, this injection mold includes movable mould 1, quiet mould 2 and ejection mechanism 4, movable mould 1 forms die cavity 3 with the cooperation of quiet mould 2, injection mold feed mechanism is including locating on quiet mould 2 and being located the mouth 21 of moulding plastics of one side of die cavity 3 and locating runner 5 on the movable mould 1, runner 5 intercommunication mouth 21 and die cavity 3 of moulding plastics, runner 5 communicates on the inner wall of die cavity 3 towards quiet mould 2, utilize runner 5 to make die cavity 3 and the intercommunication mouth of the mouth 21 of moulding plastics be located one side (the one side that is connected with the buckle) that the injection molding deviates from the surface, avoid the waste material to remain at the surface of injection molding, make the surface one shot forming of injection molding, guarantee the surface quality of injection molding.

The runner 5 comprises a static runner 51 arranged on the surface of the static mold 2, a dynamic runner 52 arranged on the surface of the dynamic mold 1 and a flow hole 53 penetrating through the inside of the dynamic mold 1, when the dynamic mold 1 is attached to the static mold 2, the static runner 51 and the dynamic runner 52 are mutually buckled to form a tubular structure, a through hole 6 penetrating through the dynamic mold 1 is formed in the dynamic mold 1 along the opening and closing direction of the dynamic mold 1, the flow hole 53 is communicated with the through hole 6, a blocking block 61 is embedded in the through hole 6 in a sliding way, the end part of the blocking block 61 is flush with the surface of the dynamic mold 1, a feeding gap 54 is formed between one end of the blocking block 61 close to the cavity 3 and the through hole 6, the volume of raw materials reserved in the through hole 6 is reduced, namely the volume of waste materials remained on an injection molding part is reduced, the subsequent waste material removal is facilitated, meanwhile, the waste of the raw materials is reduced, one end of the blocking block 61, there is frictional force between waste material and through-hole 6, the sprue 61, and sprue 61 cooperation ejection mechanism 4 is ejecting from through-hole 6 with the waste material, avoids the waste material to drag the injection molding and leads to the injection molding to warp.

The axis slope of discharge orifice 53 sets up, discharge orifice 53 sets up to the taper hole, the one end diameter that discharge orifice 53 is close to through-hole 6 is less and is located inside movable mould 1, the great one end of its diameter is located movable mould 1 surface and is close to mouthful 21 of moulding plastics, be equipped with ejection hole 7 along movable mould 1 direction of opening and shutting on movable mould 52's the lateral wall, it is equipped with ejector pin 71 to slide-fit in ejection hole 7, ejector pin 71 keeps away from movable mould 52's one end cooperation and connects ejection mechanism 4, ejector pin 71 cooperation ejection mechanism 4, make the waste material break away from runner 5, need not the waste material in the manual cleaning runner 5, be favorable to improving production efficiency movable mould 52's the lateral wall on and be located and be equipped with protruding 55 between ejection hole 7 and the discharge orifice 53, protruding 55 makes and forms the deformation groove on the waste material, make.

The implementation principle of the embodiment is as follows: utilize runner 5 to make die cavity 3 and the intercommunication mouth of the mouth 21 of moulding plastics be located one side (the one side that is connected with the buckle) that the injection molding deviates from the surface, avoid the waste material to remain at the surface of injection molding, avoid follow-up processing on the surface to get rid of the waste material for the surface one shot forming of injection molding guarantees the surface quality of injection molding.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an injection mold feed mechanism, is applied to injection mold and goes up, and this injection mold includes movable mould (1), quiet mould (2) and ejection mechanism (4), movable mould (1) forms die cavity (3) with quiet mould (2) cooperation, its characterized in that: the injection molding device is characterized in that an injection molding opening (21) is formed in one side, located in the cavity (3), of the static mold (2), a runner (5) is formed in the movable mold (1), the runner (5) is communicated with the injection molding opening (21) and the cavity (3), and the runner (5) is communicated with the inner wall, facing the static mold (2), of the cavity (3).

2. An injection mold feed mechanism as claimed in claim 1, wherein: runner (5) are including locating static chute (51) on static mould (2) surface, locating movable mould (1) surface movable chute (52) and passing movable mould (1) inside discharge orifice (53), when movable mould (1) and static mould (2) laminating, static chute (51) and movable chute (52) lock each other and form tubular structure.

3. An injection mold feed mechanism as claimed in claim 2, wherein: through-hole (6) have been seted up along movable mould (1) direction of opening and shutting on movable mould (1), movable mould (1) is run through in through-hole (6), flow hole (53) are linked together with through-hole (6), the one end that die cavity (3) were kept away from in through-hole (6) is equipped with sprue (61) that are used for shutoff through-hole (6).

4. An injection mold feed mechanism as claimed in claim 3, wherein: a feeding gap (54) exists between one end, close to the cavity (3), of the blocking block (61) and the through hole (6), and the end part of the blocking block (61) is flush with the surface of the movable die (1).

5. An injection mold feed mechanism as claimed in claim 4, wherein: one end, far away from the cavity (3), of the blocking block (61) is connected with the ejection mechanism (4) in a matching mode.

6. An injection mold feed mechanism as claimed in claim 5, wherein: the distance between one end of the feeding gap (54) far away from the die cavity (3) and the die cavity (3) is smaller than the stroke of the ejection mechanism (4).

7. An injection mold feed mechanism as claimed in claim 2, wherein: the axis slope setting of discharge orifice (53), it is equipped with ejection hole (7) to open and shut the direction along movable mould (1) on the lateral wall of dynamic groove (52), it is equipped with ejector pin (71) to slide to inlay in ejection hole (7), ejection mechanism (4) is connected in the one end cooperation that dynamic groove (52) were kept away from in ejector pin (71).

8. An injection mold feed mechanism as claimed in claim 7, wherein: the flow hole (53) is set to be a taper hole, and the diameter of one end, close to the through hole (6), of the flow hole (53) is smaller.

9. An injection mold feed mechanism as claimed in claim 7, wherein: and a bulge (55) is arranged on the side wall of the flowing groove (52) and between the ejection hole (7) and the flowing hole (53), and the bulge (55) enables the waste material to form a deformation groove.