CN209998344U

CN209998344U - vibration extrusion hub casting die

Info

Publication number: CN209998344U
Application number: CN201920691048.XU
Authority: CN
Inventors: 张金荣; 王运桂; 苏华安; 黄国华; 秦荣辉
Original assignee: GUANGDONG HONGTE PRECISION TECHNOLOGY (TAISHAN) Co Ltd
Current assignee: GUANGDONG HONGTE PRECISION TECHNOLOGY (TAISHAN) Co Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-01-31
Anticipated expiration: 2029-05-14

Abstract

The utility model discloses a kind vibration extrusion wheel hub casting mould, wheel hub casting mould part are including last mould, lower mould, runner truncation board, wherein, go up mould and lower mould opposition from top to bottom, the combination forms the mould die cavity, and the pan feeding mouth department of lower mould and last mould is equipped with the runner truncation board, go up the mould through upper die base fixed mounting in the side of last mould connecting plate, and the up-and-down motion is done along with last mould connecting plate, the combination forms vertical sprue in lower mould and the workstation, the end of mechanical vibrating bar passes last mould, upper die base, last mould connecting plate, backing plate and upper die base roof perpendicularly to constitute the part of mould die cavity, its another end is fixed in the side of last mould base roof, mechanical vibrating bar is 2-8, symmetrical or asymmetric distribution.

Description

vibration extrusion hub casting die

Technical Field

The utility model relates to a technical field of casting mould structure and equipment specifically indicates kinds of vibration extrusion wheel hub casting mould.

Background

The utility model discloses a kinds of wheel hub casting mould's of application number CN201520498729 utility model patent application discloses kinds of wheel hub casting mould, its characteristics are mainly cope match-plate pattern and lower bolster, the side bolster is installed to the joint between cope match-plate pattern and the lower bolster, form the casting chamber between cope match-plate pattern, lower bolster and the side bolster, install the wheel core mould in the casting chamber, the utility model patent application of the low pressure wheel hub casting mould of application number CN201521083945 discloses kinds of low pressure wheel hub casting mould, including cope match-plate pattern, lower bolster and side bolster, form the spoke casting chamber when cope match-plate pattern and lower bolster compound die, form the rim casting chamber when side bolster and lower bolster compound die, spoke casting chamber and rim casting chamber communicate each other, above-mentioned two utility model patents all improve the quality of wheel hub through revising the mould structure.

CN201720415U, CN201913231U, provides experimental mechanical vibration casting equipment, which is also used for studying the effect of mechanical vibration and is also difficult to be applied to actual production.the vibration casting at present is that the vibration of a mold causes the vibration of a formed material in the mold, but the formed material is not extruded.squeeze casting is fields of great interest in the modern casting industry, which shows great advantages in improving the quality of castings and eliminating defects.CN 102069171A provides die casting machines and squeeze casting methods, which allow a gap of between a movable mold and a movable mold, and effectively reduce the generation of defects of castings by performing integral squeeze casting on a casting cavity after liquid filling, CN201482962U provides devices for performing squeeze casting locally on castings, which have a significant effect on local shrinkage cavity shrinkage.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough and defect, provide simple structure rationally, the operation is reliable, easy control, can be applied to actual production's kinds of vibration extrusion wheel hub casting mould smoothly.

The purpose of the utility model is realized through the following technical scheme:

A vibration extrusion wheel hub casting mold is characterized by comprising a mold opening and closing device part, a mechanical vibration device part and a casting mold device part, wherein the mold opening and closing device part comprises an upper connecting plate, an upper mold base, a cushion plate, an upper mold base top plate and a piece unloading oil cylinder, the piece unloading oil cylinder is installed on the cushion plate, the mechanical vibration part comprises a plurality of mechanical vibration rods and mechanical vibration motors with the number being equal to of the mechanical vibration rods, the casting mold part comprises an upper mold, a lower mold and a flow channel cutting plate, wherein the upper mold and the lower mold are arranged in an up-and-down opposite mode and combined to form a mold cavity, the flow channel cutting plate is arranged at a material inlet of the lower mold and the upper mold, the upper mold is fixedly installed on the side of the upper mold connecting plate through the upper mold base and moves up and down along with the upper mold connecting plate, the lower mold is fixedly installed on the side of a workbench through the lower mold base, a vertical straight pouring gate is formed in the lower mold and combined with the workbench, the end of the mechanical vibration rod vertically penetrates through the upper mold, the upper mold base, the upper mold connecting plate.

The number of the mechanical vibrating rods is 2-8, and the mechanical vibrating rods and the corresponding mechanical vibrating motors are symmetrically or asymmetrically distributed, namely the mechanical vibrating rods and the corresponding mechanical vibrating motors are arranged at positions needing to vibrate.

Compared with the prior art, the utility model have following advantage and beneficial effect:

1. the utility model discloses special has designed simple structure reasonable, and the operation is reliable, and easily control can be applied to actual production's kinds of vibration extrusion wheel hub casting mould structure smoothly, is applyed very big mechanical vibration pressure to in the mould by shaping metal material, and the compression is eliminated the shrinkage cavity shrinkage porosity defect by shaping metal material.

2. Compared with vibration casting, the existing mechanical vibration casting equipment vibrates the whole die, the vibration pressure acting on the formed metal material is indirect, no mechanical vibration pressure directly acts on the formed metal, and the device is only used when the formed metal is in a liquid state, is not used after the formed metal is solidified, and the device directly acts on the formed metal to provide the mechanical vibration to the formed metal, so that the vibration effect is obvious no matter whether the formed metal is in a liquid state or a solid state.

3. Compared with squeeze casting, squeeze casting provides a static squeezing force, and casting of very small parts also requires a very large squeezing force; the extrusion force provided by the utility model is dynamic, and can generate vibration in the whole die cavity, and large-scale cast parts can be produced by using the vibration pressure of small tonnage.

4. The utility model discloses a mechanical vibration, amplitude variation range , the effect is obvious, and a lot of casting defects can be eliminated at the vibration in-process, and need not carry out loaded down with trivial details design to the mould to can simplify mould design process.

5. The utility model discloses can set up a plurality of mechanical vibration poles as required, where need vibrate and just set up mechanical vibration poles in where position.

6. The utility model provides an urgent need in the actual production of enterprise, improved efficiency, ensured the quality of product, for the enterprise wins good economic benefits, easily pushes away application in the trade.

Drawings

Fig. 1 is a schematic structural view of 1 vibration extrusion hub casting molds according to the embodiment of the present invention, in which a push rod 1, a material cylinder piston 2, a workbench 3, a die casting cylinder 4, a lower die holder 5, a lower die 6, a guide pillar 7, an upper die holder 8, an upper die connecting plate 9, a backing plate 10, an upper die holder top plate 11, an upper connecting plate 12, an unloading cylinder 13, a vibration motor 14, a vibration rod 15, an upper die 16, and a flow channel cutting plate 17 are arranged.

Detailed Description

The present invention will be described with reference to specific embodiments and drawings in .

Example 1

The vibration extrusion wheel hub casting die structure of this embodiment is shown in fig. 1, a material cylinder piston 2 is installed at the head of a push rod 1 and is sleeved in a die casting cylinder 4, the die opening and closing device part, the mechanical vibration device part and the casting die device part are integrated with main frames at , the die opening and closing device part comprises an upper connecting plate 12, an upper die connecting plate 9, an upper die base 8, a backing plate 10, an upper die base top plate 11 and a piece unloading oil cylinder 13, the piece unloading oil cylinder 13 is installed on the backing plate 10, the mechanical vibration part comprises a mechanical vibration motor 14 and mechanical vibration rods 15, the mechanical vibration rods 15 can be provided with 2-8 mechanical vibration motors 14 according to needs, 3 mechanical vibration rods 15 are provided with independent mechanical vibration pressure according to needs, and therefore the number of the mechanical vibration rods 15 is equal to that of the mechanical vibration motors 14 , and the mechanical vibration rods are distributed symmetrically or asymmetrically, and the arrangement principle is that mechanical vibration rods 15 and mechanical vibration motors 14 are arranged at the positions where the vibrations need to.

The casting mould part comprises an upper mould base 8, an upper mould 16, a lower mould base 5, a lower mould 6 and a flow channel cutting plate 17, wherein the upper mould 16 and the lower mould 6 are opposite up and down and combined to form a mould cavity, the flow channel cutting plate 17 is arranged at a feeding port of the lower mould 6 and the upper mould 16, the upper mould 16 is fixedly arranged on the side of an upper mould connecting plate 9 through the upper mould base 8 and moves up and down along with the upper mould connecting plate 9, the lower mould 6 is fixedly arranged on the side of a workbench 3, a vertical straight runner is formed in the lower mould 6 and the workbench 3 in a combined mode, the end of a mechanical vibrating rod 15 vertically penetrates through the upper mould 16, the upper mould base 8, the upper mould connecting plate 9, a backing plate 10 and an upper mould base top plate 11 to form the part of the mould cavity, the other end of the mechanical vibrating rod is fixedly connected on the side.

The casting process comprises the following steps: when the casting machine starts casting, the metal to be formed fills the die cavity from bottom to top through the vertical sprue, and after the die cavity is filled with the metal material to be formed, the runner cutoff plate 17 moves to seal the sprue; then, the mechanical vibration motor 14 starts to operate, and the mechanical vibration rod 15 starts to perform mechanical vibration extrusion on the material in the feeding ladle arranged in the upper die of the casting die when vibrating, so that the metal material to be molded in the die cavity is fed. Shrinkage porosity casting defects in the respective casting locations are reduced and eliminated. After the casting is solidified, a movable cross beam of the single-action hydraulic extrusion press moves upwards to pull the upper die 16 to ascend along the guide post 7, after the equipment is opened, a piston rod of the unloading oil cylinder 13 pushes the upper die base top plate 11 downwards to drive the unloading rod to move downwards, the casting is withdrawn from the upper die cavity, and thus, the vibration extrusion casting molding is completed.

The above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the scope of the present invention, so that the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.

Claims

The casting mould for the vibrating extrusion wheel hub is characterized by comprising a mould opening and closing device part, a mechanical vibrating device part and a casting mould device part, wherein the mould opening and closing device part comprises an upper connecting plate (12), an upper mould connecting plate (9), an upper mould base (8), a base plate (10), an upper mould base top plate (11) and a piece unloading oil cylinder (13), the piece unloading oil cylinder (13) is installed on the base plate (10), the mechanical vibrating part comprises a plurality of mechanical vibrating rods (15) and mechanical vibrating motors (14) with the number equal to that of the mechanical vibrating rods (15) ), the casting mould part comprises an upper mould (16), a lower mould (6) and a flow channel cutting plate (17), the upper mould (16) and the lower mould (6) are vertically opposite to each other to form a mould cavity, the flow channel cutting plate (17) is arranged at a feeding port of the lower mould (6) and the upper mould (16), the flow channel cutting plate (16) is fixedly installed on the side of the upper mould base (9) through the upper mould base (8) and moves up and down along with the upper mould connecting plate (9), the lower mould connecting plate (6) is installed on the working platform (3) and the lower mould base (16) and the working platform (3) and the upper mould base (5911) and the vertical connecting plate (16) and the upper mould connecting plate (11) is connected to form a vertical connecting plate (2).
2. kind of vibration extrusion hub casting mould according to claim 1, wherein the number of the mechanical vibration rods (15) is 2-8, and the mechanical vibration rods (15) and the corresponding mechanical vibration motors (14) are symmetrically or asymmetrically distributed, i.e. at the positions where vibration is needed.