CN216966246U

CN216966246U - Foundry goods extrusion device

Info

Publication number: CN216966246U
Application number: CN202220601418.8U
Authority: CN
Inventors: 雷书星; 肖庆阳; 唐培洁; 候志杰; 于德水; 司维; 宋晓红
Original assignee: Dalian Yaming Automotive Parts Co ltd
Current assignee: Dalian Yaming Automotive Parts Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-07-15
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses a casting extrusion device, which comprises a static mould frame, wherein a static mould core is arranged in the static mould frame; one side of the static mold frame is provided with a movable mold frame, and a movable mold core is arranged in the movable mold frame; a die cavity is arranged between the static die core and the movable die core; four guide posts are fixedly arranged on one side of the movable mould frame; a push plate is sleeved between the guide posts in a sliding manner; an extrusion mechanism extending into the die cavity is fixedly arranged on the push plate; and a push plate supporting part is fixedly arranged on the movable mould frame. The casting extrusion device is reasonable in structural design, does not affect the structural strength of the die, can locally extrude the casting, and ensures the product quality.

Description

Foundry goods extrusion device

Technical Field

The utility model relates to the technical field of die casting, in particular to a casting extrusion device.

Background

With the rapid development of the green trip industry, the new momentum of each big vehicle and the vehicle construction is in the new energy field of marching. A large amount of castings can be used in new energy automobiles, die-casting products are more and more diversified, structures are more and more complex, and requirements for the quality of the products are more and more high. In the process of die casting, some special parts can generate looseness or air holes, so that the local air tightness of the casting is poor, and the performance of the casting is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide a casting extrusion device which has a reasonable structural design, does not affect the structural strength of the mold, can locally extrude the casting, and ensures the product quality.

The utility model provides a casting extrusion device which comprises a static mould frame, wherein a static mould core is arranged in the static mould frame; a movable mold frame is arranged on one side of the static mold frame, and a movable mold core is arranged in the movable mold frame; a mold cavity is arranged between the static mold core and the movable mold core; one side of the movable mould frame, which is far away from the static mould frame, is fixedly provided with four guide posts which are distributed in a rectangular shape; a push plate is sleeved between the four guide posts in a sliding manner; an extrusion mechanism extending into the die cavity is fixedly arranged on the push plate; and a push plate supporting part is fixedly arranged on the movable mould frame and positioned at the periphery of the four guide posts.

Furthermore, an installation slot hole penetrating to the die cavity is formed in the movable die core along the horizontal direction, and a first through hole coaxial with the installation slot hole is formed in the movable die frame; a pin bush which can be taken out through the first through hole is arranged in the mounting groove hole; a quick-release fixing component is arranged in the first through hole; the extrusion mechanism penetrates through the quick-release fixing assembly and the pin sleeve and extends into the die cavity.

Furthermore, the quick-release fixing component comprises a pin bush ejecting column detachably arranged in the first through hole, a second through hole coaxial with the first through hole is formed in the pin bush ejecting column, the first through hole is far away from one end of the movable mold core, a pressing plate is fixedly arranged in the embedding groove through a screw in a detachable mode, and a third through hole coaxial with the second through hole is formed in the pressing plate.

Furthermore, the extrusion mechanism including fixed set up in extrusion hydro-cylinder on the push pedal, the output transmission of extrusion hydro-cylinder is connected with the connecting rod, the one end fixedly connected with extrusion round pin of extrusion hydro-cylinder is kept away from to the connecting rod, the extrusion round pin passes in proper order third through-hole, second through-hole and pin bush stretch into in the die cavity.

Furthermore, one side of the push plate close to the rotating die frame is fixedly provided with an anti-rotating plate, the anti-rotating plate is in sliding sleeve joint with the four guide posts, two side-symmetry of the connecting rod is provided with an anti-rotating plane, the anti-rotating plate is provided with an anti-rotating hole matched with the connecting rod, and the connecting rod slides to penetrate the anti-rotating hole.

Furthermore, a travel switch is arranged on one side, located on the connecting rod, of the anti-rotation plate.

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

(1) according to the casting extrusion device, the extrusion mechanism is arranged on the push plate, and the push plate is supported by the limiting support block, so that the extrusion mechanism penetrates through the movable die frame and the movable die core to locally extrude a casting in the die cavity. The quality problems of local looseness or bubbles and the like of the casting are avoided, and the processing quality of the casting is ensured. The installation of the extrusion mechanism does not need to open an installation groove on the movable mould frame, so that the structural strength of the movable mould frame is ensured;

(2) the extrusion mechanism is arranged on the push plate, so that the extrusion mechanism not only has the function of locally extruding the casting, but also can be used as a push rod for demoulding the casting when a product is demoulded, the arrangement number of the push rods is reduced, and the cost is saved;

(3) the movable mould frame is provided with a quick-release fixing component, and the pin bush is fixed in the mounting groove hole of the movable mould core. When the pin bush is replaced, the movable mold core does not need to be disassembled, the pin bush can be conveniently and quickly disassembled and replaced through the quick disassembling and fixing assembly, the maintenance is more convenient and fast, and the maintenance cost is reduced;

(4) the anti-rotation structure matched with the connecting rod is arranged on the extrusion mechanism, so that the firmness of connection of the connecting rod and the extrusion oil cylinder in the use process is ensured, and the problem that the product lacks meat due to looseness of the connecting rod and the extrusion oil cylinder can be effectively avoided.

(5) One side of connecting rod is provided with travel switch for the removal stroke of monitoring extrusion pin has ensured the local extruded accuracy of foundry goods, has improved the qualification rate of foundry goods processing.

It should be understood that what is described in this summary section is not intended to limit key or critical features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model. Other features of the present invention will become apparent from the following description.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1 is a schematic view of a casting press;

FIG. 2 is a schematic view of a quick release fixing assembly;

fig. 3 is a schematic structural view of the pressing mechanism.

Reference numbers in the figures: 1. a static mould frame; 2. moving the mold frame; 3. a mold cavity; 4. pushing the plate; 5. an extrusion mechanism; 6. a push plate support member; 7. a quick release fixing component;

11. a static mold core;

21. a movable mold core; 22. a guide post; 23. mounting a slotted hole; 24. a first through hole; 25. a pin bush; 26. caulking grooves;

51. extruding the oil cylinder; 52. a connecting rod; 53. a squeeze pin; 54. an anti-rotation plate; 55. an anti-rotation plane; 56. a travel switch;

71. the pin bush props the column; 72. a second through hole; 73. pressing a plate; 74. and a third through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 3, an embodiment of the present invention provides a casting extrusion apparatus, including a stationary mold frame 1, a stationary mold core 11 is disposed in the stationary mold frame 1; one side of the static mould frame 1 is provided with a movable mould frame 2, and a movable mould core 21 is arranged in the movable mould frame; a mold cavity 3 is arranged between the static mold core 11 and the movable mold core 21; four guide posts 22 which are distributed in a rectangular shape are fixedly arranged on one side of the movable mould frame 2, which is far away from the static mould frame 1; a push plate 4 is sleeved among the four guide posts 22 in a sliding manner; an extrusion mechanism 5 extending into the die cavity 3 is fixedly arranged on the push plate 4; and a push plate supporting part 6 is fixedly arranged on the periphery of the four guide posts 22 on the movable mould frame 2.

In the embodiment, when the casting is processed, the molten metal is injected into the die cavity 3 and extends into the die cavity 3 through the extrusion mechanism 5 to extrude the local part of the casting, so that the quality problems of local loosening or bubbles and the like of the casting are avoided, and the processing quality of the casting is ensured. The extrusion mechanism 5 is arranged on the push plate 4, the push plate 4 is supported through the push plate supporting part 6, the installation of the extrusion mechanism 5 does not need to open an installation groove on the movable die frame 2, and the structural strength of the movable die frame 2 is ensured.

In a preferred embodiment, as shown in fig. 1 and fig. 2, a mounting slot 23 penetrating to the mold cavity 3 is arranged in the movable mold core 21 along the horizontal direction, and a first through hole 24 coaxial with the mounting slot 23 is arranged in the movable mold core 2; a pin bush 25 which can be taken out through the first through hole 24 is arranged in the mounting groove hole 23; the first through hole 24 is internally provided with a quick-release fixing component 7; the squeezing mechanism 5 extends into the die cavity 3 through the quick-release fixing assembly 7 and the pin sleeve 25.

In this embodiment, the extruding mechanism 5 passes through the movable mold core 21 and enters the mold cavity 3, and in order to ensure the position precision of the local extrusion, the requirement on the machining precision of the hole position on the movable mold core 21 through which the extruding mechanism 5 passes is high. After a period of use, the matching precision of the movable mold core 21 and the extrusion mechanism 5 is reduced, and the replacement of the movable mold core 21 increases the processing cost. After the pin sleeve 25 is introduced, only the pin sleeve 25 needs to be replaced, and the processing cost is effectively reduced.

The movable mould frame 2 is provided with a quick-release fixing component 7 for fixing the pin bush 25 in the mounting slot hole 23 of the movable mould core 21. When the pin bush 25 is replaced, the movable mold core 21 does not need to be detached, the pin bush 25 can be detached and replaced conveniently and quickly through the quick-detaching fixing assembly 7, the maintenance is more convenient, and the maintenance cost is reduced.

In a preferred embodiment, as shown in fig. 1 and fig. 2, the quick-release fixing assembly 7 includes a pin bush supporting column 71 detachably disposed in the first through hole 24, a second through hole 72 coaxial with the first through hole 24 is disposed in the pin bush supporting column 71, an embedding slot 26 is disposed at one end of the first through hole 24 away from the movable mold core 21, a pressing plate 73 is detachably and fixedly mounted in the embedding slot 26 through a screw, and a third through hole 74 coaxial with the second through hole 25 is disposed on the pressing plate 73.

In this embodiment, the pin bush knock 71 has an outer diameter larger than that of the adjacent end of the pin bush 25, and the second through hole 72 has an inner diameter smaller than that of the adjacent end of the pin bush 25, so that the pin bush 25 is fixed in the mounting groove hole 23 by the pin bush knock 71. The pin bush top post 71 is fixed by a pressing plate 73. The pin bush 25 can be easily removed and replaced by removing the pressing plate 73 and the pin bush knock-out post 71.

In a preferred embodiment, as shown in fig. 1 and 3, the squeezing mechanism 5 includes a squeezing cylinder 51 fixedly disposed on the push plate 4, an output end of the squeezing cylinder 51 is in transmission connection with a connecting rod 52, one end of the connecting rod 52 far away from the squeezing cylinder 51 is fixedly connected with a squeezing pin 53, and the squeezing pin 53 sequentially passes through the third through hole 74, the second through hole 72 and the pin sleeve 25 and extends into the mold cavity 3.

In this embodiment, the extrusion mechanism 5 extrudes the local part of the casting through the extrusion pin 53, so that the extrusion mechanism not only has the extrusion function, but also can be used as a push rod for demolding the casting when a product is demolded, so that the number of push rods is reduced, and the cost is saved.

In a preferred embodiment, as shown in fig. 1 and 3, an anti-rotation plate 54 is fixedly disposed on one side of the push plate 4 close to the rotating die frame 2, the anti-rotation plate 54 is slidably sleeved with the four guide posts 22, anti-rotation planes 55 are symmetrically disposed on two sides of the connecting rod 52, an anti-rotation hole matched with the connecting rod 52 is disposed on the anti-rotation plate 54, and the connecting rod 52 slides through the anti-rotation hole.

In this embodiment, through the cooperation of preventing that the flitch 54 and connecting rod 52 make connecting rod 52 drive the steady flexible removal of extrusion pin 53, ensure in the use, the fastness that connecting rod 52 and extrusion hydro-cylinder 51 are connected can effectively avoid connecting rod 52 and extrusion hydro-cylinder 51 to appear becoming flexible and cause the problem of product shortage of meat, has ensured the processingquality of foundry goods.

In a preferred embodiment, as shown in fig. 1, a travel switch 56 is arranged on one side of the anti-rotation plate 54, which is located on the connecting rod 52, and is used for monitoring the moving travel of the extrusion pin 53, so that the accuracy of local extrusion of the casting is ensured, and the machining yield of the casting is improved.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, 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 application shall be included in the protection scope of the present application.

Claims

1. The casting extrusion device is characterized by comprising a static mold frame, wherein a static mold core is arranged in the static mold frame; a movable mold frame is arranged on one side of the static mold frame, and a movable mold core is arranged in the movable mold frame; a mold cavity is arranged between the static mold core and the movable mold core; one side of the movable mould frame, which is far away from the static mould frame, is fixedly provided with four guide posts which are distributed in a rectangular shape; a push plate is sleeved between the four guide posts in a sliding manner; an extrusion mechanism extending into the die cavity is fixedly arranged on the push plate; and a push plate supporting part is fixedly arranged on the movable mold frame and positioned at the periphery of the four guide posts.

2. A casting extrusion device according to claim 1, wherein a mounting slot hole penetrating to the die cavity is horizontally arranged in the movable die core, and a first through hole coaxial with the mounting slot hole is arranged in the movable die frame; a pin bush which can be taken out through the first through hole is arranged in the mounting groove hole; a quick-release fixing component is arranged in the first through hole; the extrusion mechanism penetrates through the quick-release fixing assembly and the pin sleeve and extends into the die cavity.

3. The casting extrusion device according to claim 2, wherein the quick-release fixing assembly comprises a separable pin bush ejection column arranged in the first through hole, a second through hole coaxial with the first through hole is arranged in the pin bush ejection column, a caulking groove is arranged at one end, away from the movable mold core, of the first through hole, a pressing plate is detachably and fixedly arranged in the caulking groove through a screw, and a third through hole coaxial with the second through hole is arranged on the pressing plate.

4. A casting extrusion device according to claim 3, wherein the extrusion mechanism comprises an extrusion oil cylinder fixedly arranged on the push plate, the output end of the extrusion oil cylinder is in transmission connection with a connecting rod, one end of the connecting rod far away from the extrusion oil cylinder is fixedly connected with an extrusion pin, and the extrusion pin sequentially passes through the third through hole, the second through hole and the pin sleeve and extends into the die cavity.

5. The casting extrusion device according to claim 4, wherein an anti-rotation plate is fixedly arranged on one side of the push plate close to the rotating die frame, the anti-rotation plate is slidably sleeved with the four guide posts, anti-rotation planes are symmetrically arranged on two sides of the connecting rod, anti-rotation holes matched with the connecting rod are formed in the anti-rotation plate, and the connecting rod slidably penetrates through the anti-rotation holes.

6. A casting extrusion device as claimed in claim 5 wherein a travel switch is provided on the anti-rotation plate on one side of the connecting rod.