CN215697867U

CN215697867U - Moving die plate of die casting machine

Info

Publication number: CN215697867U
Application number: CN202121527443.8U
Authority: CN
Inventors: 刘相尚; 刘卓铭; 潘玲玲; 徐文静
Original assignee: Shenzhen Leadwell Technology Co Ltd
Current assignee: Shenzhen Leadwell Technology Co Ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-02-01
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a movable mould plate of a die casting machine, which is provided with a joint plate and a connecting plate, wherein supporting walls are arranged on the periphery between the joint plate and the connecting plate, and the movable mould plate comprises: a plurality of undercut grooves provided on the support walls of the movable mold plate, the undercut grooves penetrating the support walls on a pair of opposed ones of the support walls; a plurality of hinge lugs for being connected with a machine hinge are respectively arranged on the outer plate surface of the connecting plate at intervals corresponding to the positions of the other pair of opposite support walls in the support walls; the outer plate surface of the connecting plate is also provided with a plurality of first connecting columns used for connecting the thimble oil cylinders of the ejection mechanisms, and the movable template is also provided with thimble connecting rod through holes penetrating through the movable template, so that the thimble connecting rods of the ejection mechanisms move through the thimble connecting rod through holes under the action of the thimble oil cylinders. This movable mould board forms hollow out construction through the undercut groove, alleviates movable mould board weight. The first connecting column is connected with the four thimble oil cylinders, so that the stress on the thimble connecting rod is more uniform, and the die casting can be ejected more smoothly.

Description

Moving die plate of die casting machine

Technical Field

The utility model relates to the field of casting, in particular to a movable die plate of a die casting machine.

Background

The movable die plate and the movable die plate of the die casting machine generally adopt iron castings or steel castings, as shown in fig. 1, the die surfaces of the movable die plate 3 and the fixed die plate 1 are respectively assembled with a movable die and a fixed die, when the movable die plate 3 is driven to lean against the fixed die plate 1 along a guide post 4, the movable die and the fixed die are assembled, and a die cavity is formed between the movable die and the fixed die. The movable die plate is an important part of a die casting machine, and the deformation degree of the movable die plate directly influences the precision of a die-cast product in the process that the movable die plate is close to the fixed die plate to form a die cavity and bear the die-casting force. Because the movable mould plate has a large weight, the weight of the movable mould plate is reduced in the design stage, and the capability of resisting extrusion and preventing deformation is also considered, so that the conventional movable mould plate is of a box-type structure and is manufactured by adopting a casting process. Along with the breakthrough promotion of the mold locking force of the die casting machine, the sizes of the mold, the movable mold plate and the fixed mold plate are also larger and larger, the movable mold plate is designed according to the movable mold plate with a conventional box-type structure, great pressure is applied to the casting process, and a great amount of waste is caused by material use.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a movable die plate for a die casting machine, which has a joint plate and a connecting plate arranged in parallel at an interval, wherein a support wall is provided around the joint plate and the connecting plate, and the movable die plate comprises:

a plurality of undercut grooves provided on the support walls of the movable mold plate, and on a pair of opposed ones of the support walls, the undercut grooves penetrate the support walls;

a plurality of hinge lugs for being connected with a machine hinge are respectively arranged on the outer plate surface of the connecting plate at intervals corresponding to the positions of the other pair of opposite support walls in the support walls;

and the movable template is also provided with an ejector pin connecting rod through hole penetrating through the movable template, so that an ejector pin connecting rod of the ejection mechanism moves through the ejector pin connecting rod through hole under the action of the ejector pin oil cylinder.

Alternatively, the other pair of the opposite support walls of the support walls is in a form inclined to the outside in a direction from the joint plate to the connection plate.

Optionally, the middle of the connecting plate is a square hollow area, so that the inner plate surface of the joint plate is exposed.

Optionally, the number of the first connecting columns is 4, the first connecting columns are arranged in the square hollow area, and the first connecting columns are connected to the inner sides of the pair of opposite supporting walls in a pairwise symmetry manner.

Optionally, both ends of the outer wall of the pair of opposite supporting walls of the supporting walls are inwardly depressed in an arc shape so as to expose the inner plate surface of the joint plate.

Optionally, four corners between the joint plate and the connecting plate are further respectively provided with a second connecting column integrally connected with the supporting wall, and the second connecting columns are all provided with guide pillar holes for penetrating through the tie columns.

Optionally, in the other pair of opposite supporting walls, the second connecting column of both ends of one of the supporting walls is provided with a sling.

Optionally, a bottom support is connected to both ends of the other support wall of the other pair of opposing support walls.

Optionally, the inner surface of any hollowed-out groove is a smooth curved surface.

Alternatively, in the other pair of the opposed support walls, the undercut grooves in the same support wall communicate with each other in the groove space on the bottom surface side, and the groove bottom surfaces are smoothly connected.

The utility model has the following beneficial effects:

(1) the hollowed-out structure is formed by the hollowed-out groove, so that materials which do not participate in stress are removed, the material waste can be reduced, and the weight of the movable template is reduced.

(2) The position of the cut-out groove is reasonably arranged, and the hinge lug can be reliably supported.

(3) The other pair of opposite support walls of said support walls is inclined towards the outside so as to act on the moving die support points in correspondence with the direction of the force exerted by the machine hinges.

(4) The inner surface of the hollowed-out groove is a smooth curved surface, so that the stress can be dispersed, and the support is more uniform. And also after casting, sand removal is easy.

(5) The two ends of the outer side of the pair of opposite supporting walls of the supporting walls are sunken inwards, so that materials in an unstressed area are reduced, and the materials are more reasonably utilized.

(6) When the size of a die casting is large, in order to reliably eject the die casting, an ejector pin connecting rod mounting hole is relatively far away from an oil cylinder, so that large torque can be formed on the ejector pin connecting rod, a large-size ejector plate is also needed for mounting the ejector pin connecting rod, and the rigidity of the large-size ejector plate is poor compared with that of the small-size ejector plate. Therefore, the problems of unsmooth ejection of products and inaccurate ejection distance are caused. The first connecting column is connected with the four thimble oil cylinders, so that the stress of the thimble connecting rod is more uniform, and the die casting can be ejected more smoothly.

Drawings

The above features and technical advantages of the present invention will become more apparent and readily appreciated from the following description of the embodiments thereof taken in conjunction with the accompanying drawings.

Fig. 1 is a perspective view showing a movable die plate and a movable die plate clamped together;

FIG. 2 is a perspective view of a movable platen according to an embodiment of the present invention;

FIG. 3 is a front view of a moving platen according to an embodiment of the present invention;

FIG. 4 is a sectional view taken along line B-B of FIG. 3;

FIG. 5 is a top view of a moving platen according to an embodiment of the present invention;

FIG. 6 is a schematic view showing the hinge eyes of the movable platen and the end plate according to an embodiment of the present invention.

Detailed Description

An embodiment of a movable die plate of a die casting machine according to the present invention will be described below with reference to the accompanying drawings. Those of ordinary skill in the art will recognize that the described embodiments can be modified in various different ways, or combinations thereof, without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims. Furthermore, in the present description, the drawings are not necessarily drawn to scale and like reference numerals designate like parts.

FIG. 2 is a perspective view of a movable platen according to an embodiment of the present invention; FIG. 3 is a front view of a moving platen according to an embodiment of the present invention; FIG. 4 is a sectional view taken along line B-B of FIG. 3; as shown in fig. 2 to 3, the movable die plate of the die casting machine of the present embodiment is a square plate body, and includes a connecting plate 10, a joint plate 11, a hollow groove 13, a support rib 14, and a hinge lug 15.

The joint plate 11 and the connecting plate 10 are arranged in parallel at intervals, and the outer plate surface of the joint plate 11 is used for installing a movable die. A support wall 100 is provided all around between the joint plate 11 and the connection plate 10. The support wall 100 may be integrally formed with the connection plate 10 and the coupling plate 11. The supporting wall 100 is provided with a plurality of hollow grooves 13, and supporting ribs 14 are formed between the hollow grooves 13 on the same supporting wall 100 and used for bearing partial pressure borne by the movable formwork, and the supporting ribs 14 play a role in stabilizing the structure and ensure the rigidity of the formwork. And on one pair of opposite ones of said supporting walls 100, a hollowed-out slot 13 penetrates the supporting wall in which it is located. As shown in fig. 4, the hollow 13 extends all the way through between the joint plate 11 and the connecting plate 10, and is communicated with the hollow 13 on the supporting wall at the other end, forming a hollow form.

A plurality of hinge lugs 15 for connecting with a machine hinge are respectively arranged on the outer plate surface of the connecting plate 10 at intervals corresponding to the positions of the other pair of opposite support walls. As shown in fig. 3 and 4, 6 hinge eyes are provided. The hinge lug 15 is connected with the machine hinge, so that the machine hinge can be used for pushing the movable template to move, and the operations of locking the mold and the like are carried out. And, on the other pair of opposite support walls, the support ribs are arranged at positions such that the hinge eyes are uniformly supported.

And a first connecting column 16 which extends to the inner plate surface of the joint plate 11 and is used for connecting the thimble oil cylinders of the ejection mechanism is further arranged on the outer plate surface of the connecting

plate

10, and 4 connecting columns are correspondingly assembled with the 4-cylinder thimble oil cylinders. And the movable mould plate is also provided with an ejector pin connecting rod through hole 17 penetrating through the surface of the movable mould plate, so that an ejector pin connecting rod of the ejection mechanism passes through the ejector pin connecting rod through hole 17 to move under the action of the ejector pin oil cylinder, and a die casting of a mould cavity between the movable mould plate and the fixed mould plate can be ejected.

Further, the inner surface of any hollowed-out groove 13 is a smooth curved surface, and is preferably an arc surface. The undercut is adapted to receive a casting core. Since the inner surfaces of the undercut 13 are both smoothly curved, they are shown in their top view in fig. 5 with a rounded transition 132. The arc transition 132 can disperse the stress and make the support more uniform.

Further, the other pair of the opposite support walls is integrally formed with its corresponding hinge lug in a direction from the joint plate 11 to the connection plate 10, and the support walls are in a form of being gradually inclined to the outside. In the paper shown in fig. 4, the upper support wall gradually extends obliquely upward, and the lower support wall gradually extends obliquely downward. Fig. 6 shows the connection between the hinge eyes of the tail plate 200 and the hinge eyes of the movable mold plate, since the distance between the upper and lower rows of hinge eyes of the tail plate 200 is greater than the distance between the two rows of hinge eyes 15 of the movable mold plate (the tail plate and the movable mold plate are hinged by the hinge eyes connecting machine), the support wall 100 is inclined, and the connecting plate 10 connects the upper and lower rows of hinge eyes and the inclined support wall 100 to counteract the outward component force of the support wall when the mold is locked.

Through the support wall of this slope, the pressure that the machine hinge was applyed to the movable mould board is on this slope direction loading to the joint plate 11 of movable mould board, make the strong point of installing the mould in the outside of joint plate 11 just at the intersection of this slope support wall and connecting plate 11, thereby can be close to the movable mould board middle part as far as possible with the mode locking power transmission on the one hand, thereby provide sufficient mode locking power to the mould, on the one hand make again between joint plate 11 and the connecting plate 10 then the atress less, thereby can alleviate the pressure to movable mould board fretwork position, and make the form of this fretwork can not influence the stable in structure of movable mould board, and also make the fretwork cavity maximize under the prerequisite of guaranteeing stable in structure. Further, as shown in fig. 2, in the other pair of the opposed supporting walls, the undercut grooves 13 in the same supporting wall communicate with each other in the groove space on the bottom surface side, and the groove bottom surfaces are smoothly connected. As shown in fig. 4, the two undercut grooves 13 of the upper and lower support walls communicate with each other at the bottom of the upper support wall, and likewise, the two undercut grooves 13 of the lower support wall communicate with each other at the bottom of the lower support wall. Because the size of this side undercut 13 is less relatively, can need not gusset steady movable mould structure, integrative psammitolite is changeed in the preparation moreover, and the intercommunication department can also be used for passing wire rope, convenient hoist and mount.

Further, a second connecting column 18 is further provided at four corners between the joint plate 11 and the connecting plate 10, and the second connecting column 18 is provided with a guide post hole 181 for passing through the tie bar.

Further, the middle of the connecting plate 10 is a square hollow area, so as to expose the inner plate surface of the joint plate 11, thereby providing a passing space for the ejector pin connecting rod. The number of the first connecting columns is 4, and the first connecting columns are connected to the inner sides of a pair of opposite supporting walls in pairwise symmetry. As shown in fig. 3, two first connecting columns 16 are connected to the inner side of the left supporting wall, two first connecting columns 16 are symmetrically connected to the inner side of the right supporting wall, and a thimble cylinder mounting hole 161 is coaxially provided in each first connecting column 16. The thimble cylinder mounting holes 161 are correspondingly connected with four cylinders of a 4-cylinder thimble cylinder, and the thimble cylinder is used for driving the thimble plate to move in a direction away from and close to the movable die plate, so that the thimble connecting rods on the thimble plate can pass through the thimble connecting rod through holes 17 to move.

Further, both ends of the outer wall of one pair of the supporting walls are inwardly depressed in an arc shape, and the inner plate surface of the joint plate 11 is exposed. As shown in fig. 3, both ends of the outer wall of the left and right support walls are recessed inward while the middle portions are connected in a straight line, thereby exposing the inner panel surface of the joint panel 11.

Further, in the other pair of the opposite supporting walls, the second connecting column 18 of both ends of one of the supporting walls is provided with a sling. As shown in fig. 3, the outer wall of the second connecting pole 18 is connected with a lifting lug 182.

Further, in the other pair of the opposite supporting walls, a bottom supporting part 183 is connected to both ends of the other supporting wall.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A moving die plate for die casting machines having a joint plate and a connecting plate disposed in parallel spaced relation, said joint plate and connecting plate being surrounded by support walls, said moving die plate comprising:

2. The moving die plate of a die casting machine according to claim 1,

the other pair of the opposite support walls is in the form of being inclined to the outside in the direction from the joint plate to the connection plate.

3. The moving platen for die casting machines as claimed in claim 1, wherein said connecting plate has a square hollowed-out area in the middle thereof, thereby exposing the inner face of the engaging plate.

4. The moving die plate of a die casting machine according to claim 3,

the number of the first connecting columns is 4, the first connecting columns are arranged in the square hollow area, and the first connecting columns are connected to the inner sides of the pair of opposite supporting walls in the supporting walls in a pairwise symmetry mode.

5. The moving die plate of a die casting machine according to claim 1,

the two ends of the outer wall of the pair of opposite supporting walls in the supporting walls are inwards sunken in an arc shape, so that the inner plate surface of the joint plate is exposed.

6. The movable die plate of die casting machine according to claim 1, wherein the four corners between the engaging plate and the connecting plate are respectively provided with second connecting posts integrally connected to the supporting walls, and the second connecting posts are each provided with a guide post hole for passing through the tie post.

7. The moving platen for die casting machines as claimed in claim 6, wherein in said other pair of opposed ones of said support walls, the second connecting column at both ends of one of said support walls is provided with a sling.

8. The movable platen of a die-casting machine as claimed in claim 7, wherein a bottom support is attached to both ends of the other of said pair of opposed support walls.

9. The moving die plate of a die casting machine according to claim 1,

the inner surface of any hollowed-out groove is a smooth curved surface.

10. The moving die plate of a die casting machine according to claim 1,

in the other pair of the opposed support walls, the undercut grooves in the same support wall are communicated with each other by the groove space on the bottom surface side, and the groove bottom surfaces are smoothly connected.