CN211891728U - Injection molding machine head plate and injection molding machine - Google Patents

Abstract

The utility model discloses an injection molding machine head board and injection molding machine, wherein, injection molding machine head board includes fuselage and four support piece, and fuselage dog-ear position is equipped with four tiebar hole, support piece and tiebar hole one-to-one, and the central point of fuselage puts and is equipped with the hole of fetching material, support piece's both ends respectively with the outer wall in tiebar hole and the outer wall connection in hole of fetching material, the hole of digging material in tip intercommunication tiebar hole is seted up at support piece's middle part. This application makes the outer wall in tiebar hole on the fuselage have two support positions with support piece, has reduced stress concentration effectively, and the hot spot district of being convenient for simultaneously shifts to around the hole of fetching material, and thick wall department has not only reduced stress concentration promptly, disperses the fatigue source to minimum again, has guaranteed the homogeneity of atress when strengthening the holding power, has consequently improved fatigue strength, has prolonged the life of the first board of injection molding machine.

Description

Injection molding machine head plate and injection molding machine

Technical Field

The utility model relates to an injection moulding equipment technical field, in particular to first board of injection molding machine. The utility model discloses still relate to an injection molding machine including above-mentioned first board of injection molding machine.

Background

The injection molding machine head plate is an important part of an injection molding machine, the working environment of the injection molding machine head plate is severe, the size of parts of the injection molding machine head plate is large, and the structure of the injection molding machine head plate is complex. For movable mould board or tailboard, because the restriction in the aspect of the structure is less, therefore has higher flexibility in the aspect of structural design, the mould that opens and shuts of die casting machine mainly leans on the tielin post to drive the template and realizes, when the mould is closed, must give the mould sufficient clamping force, therefore the quality of tielin post seriously influences fuselage work effect.

Traditional first board of injection molding machine adopts the support piece of rice style of calligraphy setting, and four support pieces are connected with the tiebar, and this hookup location is the thermal junction district, and the position that solidifies promptly at last because support piece and tiebar only one contact point, when increasing the clamping force, stress concentration appears near, and the fatigue source always appears in stress concentration's place, along with the increase of service life, causes fatigue strength to reduce, influences the clamping force for the life of the first board of injection molding machine shortens.

Therefore, how to prolong the service life of the head plate of the injection molding machine is a technical problem to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an injection molding machine head board, this injection molding machine head board's life extension. The utility model discloses another purpose provides an injection molding machine including above-mentioned first board of injection molding machine.

In order to realize the above purpose, the utility model provides an injection molding machine head board, including fuselage and four support piece, fuselage dog-ear position is equipped with four tiebar holes, support piece with tiebar hole one-to-one, the central point of fuselage puts and is equipped with the hole of fetching material, support piece's both ends respectively with the outer wall in tiebar hole with the outer wall connection in hole of fetching material, support piece's middle part has been seted up the tip intercommunication the hole of fetching material in tiebar hole.

Preferably, the support member is a cast structure integral with the fuselage.

Preferably, support piece includes two bar-shaped supporting parts, forms between two bar-shaped supporting parts draw the material hole, two bar-shaped supporting part is along rather than being connected the centre of a circle in tieing hole with the centre of a circle line symmetric distribution in hole of beating.

Preferably, the supporting pieces are symmetrically distributed by taking the circle center of the material beating hole as the center.

Preferably, draw the material hole for the tip with the blind hole of tiebar hole intercommunication, draw the material hole and be close to the cross-sectional area of tiebar hole one end is less than and is close to the cross-sectional area of hole one end of beating.

Preferably, one end of the material beating hole is provided with a lightening hole which expands outwards in the circumferential direction, the lightening hole is annular, and the central axis of the lightening hole is overlapped with the central axis of the material beating hole.

Preferably, the terminal surface of fuselage is equipped with the hole for hoist, the hole for hoist is the screw hole.

Preferably, the bottom end of the machine body is provided with two bottom feet, and bottom foot weight reducing blind holes are formed in the bottom feet.

Preferably, a straight and fast oil cylinder is arranged on the machine body.

An injection molding machine comprises an injection molding machine head plate, wherein the injection molding machine head plate is any one of the injection molding machine head plates.

In the technical scheme, the utility model provides an injection molding machine head board includes fuselage and four support piece, and fuselage dog-ear position is equipped with four tiebar holes, support piece and tiebar hole one-to-one, and the central point of fuselage puts and is equipped with the hole of fetching material, support piece's both ends respectively with the outer wall in tiebar hole and the outer wall connection in hole of fetching material, the hole of digging material in tip intercommunication tiebar hole is seted up at support piece's middle part.

Can know through the above-mentioned description, in the head board of the injection molding machine that this application provided, both ends through support piece respectively with the outer wall in tieing column hole and the outer wall connection in hole of beating, and offer the hole of drawing of tip intercommunication tieing column hole at support piece's middle part, and then make the outer wall in tieing column hole on the fuselage and support piece have two support positions, for in the conventional art, tieing column hole only has a condition of supporting the position with support piece, stress concentration has been reduced effectively, the thermal segment district of being convenient for simultaneously shifts around the hole of beating, namely thick wall department, stress concentration has not only been reduced, disperse fatigue source to minimum again, the homogeneity of atress has been guaranteed in the time of strengthening the holding power, consequently, fatigue strength is improved, the life of the head board of injection molding machine has been prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a cross-sectional three-dimensional structural view of an injection molding head plate provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a head plate of an injection molding machine according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a head plate of an injection molding machine according to an embodiment of the present invention;

FIG. 4 is a schematic view of the head plate of the injection molding machine of FIG. 3 along the A-A direction;

FIG. 5 is a right side view of the head plate of the injection molding machine of FIG. 3;

FIG. 6 is a schematic view of the head plate of the injection molding machine of FIG. 5 taken along the direction B-B;

FIG. 7 is a left side view of the head plate of the injection molding machine of FIG. 3;

FIG. 8 is a bottom view of the head plate of the injection molding machine of FIG. 3;

fig. 9 is a top view of the head plate of the injection molding machine of fig. 3.

Wherein in FIGS. 1-9: 1-lightening holes, 2-tie bar holes, 3-material beating holes, 4-hoisting holes, 5-bottom feet, 6-material picking holes, 7-supporting pieces, 8-straight fast oil cylinder mounting seats, 9-machine body and 10-bottom foot lightening blind holes.

Detailed Description

The core of the utility model is to provide an injection molding machine head plate, the service life extension of this injection molding machine head plate. The other core of the utility model is to provide an injection molding machine comprising the head plate of the injection molding machine.

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 to fig. 9.

In a specific embodiment, the utility model discloses first board of injection molding machine that embodiment provided includes fuselage 9 and four support piece 7, and 9 dog-ear positions of fuselage are equipped with four tiebar holes 2, support piece 7 and tiebar hole 2 one-to-one, and the central point of fuselage 9 puts and is equipped with material hole 3, support piece 7's both ends respectively with tiebar hole 2's outer wall and material hole 3's outer wall connection. Specifically, the supporting members 7 are radially distributed around the knockout hole 3. Specifically, the position where the digging hole 6 and the tie bar hole 2 are communicated can be arc-shaped.

The middle part of the supporting piece 7 is provided with a material digging hole 6 the end part of which is communicated with the tiebar hole 2. In order to reduce stress concentration, the corners of the material drawing holes 6 are preferably smoothly transited. Specifically, four material drawing holes 6 are formed, and the material drawing holes 6 correspond to the supporting pieces 7 one by one.

It can be known through the above description, in the aircraft nose board of moulding plastics that this application embodiment provided, both ends through support piece 7 respectively with the outer wall in tieing post hole 2 and the outer wall connection of hole of fetching 3, and offer the hole 6 of digging of tip intercommunication tieing post hole 2 at the middle part of support piece 7, and then make the outer wall in tieing post hole 2 on fuselage 9 have two support positions with support piece 7, for in the conventional art, tieing post hole 2 only has the condition of one support position with support piece 7, stress concentration has been reduced effectively, the life of the aircraft nose board of moulding plastics has been prolonged.

In order to facilitate the manufacture of the injection-molded headboard, the support 7 is preferably integrally cast with the body 9.

In one embodiment, the supporting member 7 includes two strip-shaped supporting portions, a material drawing hole 6 is formed between the two strip-shaped supporting portions, and the two strip-shaped supporting portions are symmetrically distributed along a connecting line between the circle center of the connected Guirin column hole 2 and the circle center of the material beating hole 3.

Preferably, the supporting pieces 7 are symmetrically distributed around the center of the material beating hole 3. So that the stress of each strip-shaped supporting part is balanced.

In a specific embodiment, the material drawing hole 6 is a blind hole with the end part communicated with the tie bar hole 2, and the cross-sectional area of one end of the material drawing hole 6 close to the tie bar hole 2 is smaller than that of one end close to the material beating hole 3. Specifically, the material drawing hole 6 may be two sections of hole structures with different diameters.

In order to reduce the total weight, preferably, one end of the material beating hole 3 is provided with a lightening hole 1 which is expanded outwards in the circumferential direction, the lightening hole 1 is in a ring shape, and the central axis of the lightening hole 1 is superposed with the central axis of the material beating hole 3.

For the convenience of disassembly and assembly of the head plate of the injection molding machine, preferably, the end face of the machine body 9 is provided with a hoisting hole 4, and the hoisting hole 4 is a threaded hole. Specifically, four lifting holes 4 are provided, and the four lifting holes 4 are distributed in a matrix manner and are distributed above the material drawing holes 6.

Specifically, the bottom end of the machine body 9 is provided with two feet 5, the feet 5 are provided with foot weight reducing blind holes 10, and specifically, one or at least two foot weight reducing blind holes 10 can be arranged on each foot 5.

In one embodiment, the body 9 is provided with a straight cylinder 8 at the end of the pin hole 2.

The application provides an injection molding machine, which comprises an injection molding machine head plate, wherein the injection molding machine head plate is any one of the injection molding machine head plates, the specific structure of the injection molding machine head plate is described, and the application comprises the injection molding machine head plate and also has the technical effects.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides an injection molding machine head board, a serial communication port, including fuselage (9) and four support piece (7), fuselage (9) dog-bone post hole (2) are equipped with to dog-bone post position, support piece (7) with tie-bone post hole (2) one-to-one, the central point of fuselage (9) puts and is equipped with material hole (3) of beating, the both ends of support piece (7) respectively with the outer wall in tie-bone post hole (2) with the outer wall connection in material hole (3) of beating, the tip intercommunication has been seted up at the middle part of support piece (7) the material hole (6) of drawing in tie-bone post hole (2).

2. The head plate according to claim 1, characterized in that said support (7) is a cast structure integral with said body (9).

3. The head plate of an injection molding machine according to claim 1, wherein the support member (7) comprises two strip-shaped support portions, the material taking hole (6) is formed between the two strip-shaped support portions, and the two strip-shaped support portions are symmetrically distributed along a connecting line of the circle center of the Gonglin column hole (2) connected with the two strip-shaped support portions and the circle center of the material taking hole (3).

4. Head plate according to claim 3, characterized in that said supports (7) are distributed symmetrically centered on the centre of the hole (3).

5. The head plate of an injection molding machine according to claim 1, wherein the material drawing hole (6) is a blind hole with an end communicated with the tiebar hole (2), and the cross-sectional area of the end of the material drawing hole (6) close to the tiebar hole (2) is smaller than that of the end close to the material beating hole (3).

6. The head plate of an injection molding machine according to claim 1, characterized in that one end of the knockout hole (3) is provided with a lightening hole (1) which is expanded outwards in the circumferential direction, the lightening hole (1) is annular, and the central axis of the lightening hole (1) is coincident with the central axis of the knockout hole (3).

7. The head plate of an injection molding machine according to claim 1, wherein the end face of the machine body (9) is provided with a lifting hole (4), and the lifting hole (4) is a threaded hole.

8. The head plate for injection molding machines according to claim 1, characterized in that the bottom end of the body (9) is provided with two feet (5), and the feet (5) are provided with blind foot weight reducing holes (10).

9. The head plate for injection molding machines according to any one of claims 1 to 8, characterized in that said body (9) is provided with a cylinder (8) for straightening and drawing.

10. An injection molding machine comprising an injection molding machine head plate, wherein the injection molding machine head plate is the injection molding machine head plate according to any one of claims 1 to 9.

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