CN212917532U

CN212917532U - Casing casting mould in middle of EPS

Info

Publication number: CN212917532U
Application number: CN202021503090.3U
Authority: CN
Inventors: 陈中华
Original assignee: Chongqing Mingxin Machinery Manufacturing Co ltd
Current assignee: Chongqing Mingxin Machinery Manufacturing Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-09
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a casing casting mould in middle of EPS, including lower die body and last die body, be fixed with lower die core in the die body down, set up in the die core down with the middle casing assorted die cavity of EPS, the die body side is fixed with a linking bridge down, be fixed with a flexible hydro-cylinder on the linking bridge, be fixed with first sliding block on the hydro-cylinder pole of flexible hydro-cylinder, one of them side of first sliding block is fixed with first side pellet, still be fixed with last die core in the last die body, still seted up the runner in last die body, the runner of runner is linked together with lower die body in the compound die, go up the exhaust plate in going up the die body, in die body and last die body compound die down, go up the exhaust plate and have the clearance down between the exhaust plate. This casting mould simple structure can realize the quick casting shaping of casing in the middle of the EPS, and the shaping is of high quality, and the casing drawing of patterns is easier in the middle of the EPS.

Description

Casing casting mould in middle of EPS

Technical Field

The utility model belongs to casing casting field in the middle of the EPS, concretely relates to casing casting mould in the middle of EPS.

Background

The EPS middle housing is an abbreviation of Electric Power Steering in english, i.e., an Electric Power Steering system. An electric power steering system is the development direction of an automobile steering system. The system directly provides steering power by the electric power-assisted machine, saves a power steering oil pump, a hose, hydraulic oil, a conveyor belt and a belt pulley arranged on an engine which are necessary for a hydraulic power steering system, saves energy and protects the environment.

The middle shell of the EPS middle shell system is used for mounting a worm wheel and a worm, the motor is mounted on the side face of the middle shell, the structure of the middle shell is complex, sand casting is generally adopted for casting at present, but the sand casting mode is low in efficiency, and the forming quality of a product is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve one or more above-mentioned defects among the prior art, the utility model aims to solve the technical problem that a casing casting mould in the middle of the EPS is provided, this casting mould simple structure can realize the quick casting shaping of casing in the middle of the EPS, and the shaping is of high quality, and the casing drawing of patterns is easier in the middle of the EPS.

In order to achieve the purpose, the utility model provides a EPS middle shell casting mould, including lower die body and upper die body, be fixed with lower mold core in the lower die body, set up in the lower mold core with EPS middle shell assorted die cavity, the lower die body side is fixed with a linking bridge, be fixed with a telescopic cylinder on the linking bridge, be fixed with first sliding block on the hydro-cylinder pole of telescopic cylinder, one of them side of first sliding block is fixed with first side core piece, be fixed with the first side core post of shaping in the middle part of EPS middle shell on the first side core piece, be connected with second side core piece at the another side sliding of lower die body, be fixed with second side core piece on the second side core piece, still be fixed with a lower exhaust plate on the lower die body, the sediment package and the lower exhaust plate of die cavity are linked together; the upper die body is also fixedly provided with an upper die core, the upper die body is also provided with a pouring gate, the pouring gate of the pouring gate is communicated with the lower die body during die assembly, the upper die body is fixedly provided with an upper exhaust plate, and a gap is formed between the upper exhaust plate and the lower exhaust plate during die assembly of the lower die body and the upper die body.

Furthermore, set up first slide and second slide in the lower mould body, be fixed with first slide rail in the first slide rail, sliding connection has first sliding block in the first slide rail, be fixed with the second slide rail in the second slide rail, sliding connection has the second sliding block in the second slide rail.

Furthermore, a guide rod is fixed at the bottom of the upper die body, and a guide inclined hole is formed in the second side core block.

Furthermore, a plurality of ejector rod holes are formed in the die cavity, a plurality of ejector rods are fixed in the ejector rod holes, a base is fixed at the bottom of the lower die body, a top plate is fixed in the base, and the ejector rods are fixedly connected to the top plate.

Furthermore, a guide pillar is fixed at the bottom of the lower die core, a quick-change plate is connected to the guide pillar in a sliding mode, a quick-change rod is fixed on the quick-change plate, and the ejector rod penetrates through the quick-change plate.

The utility model has the advantages that:

firstly, the casting mold is simple in structure, can realize rapid casting and molding of the EPS middle shell, and is good in molding quality, and the EPS middle shell is easier to demould;

secondly, because an upper exhaust plate and a lower exhaust plate are respectively fixed in the upper die body and the lower die body, and a plurality of high-thermal-conductivity protrusions are respectively fixed on the upper exhaust plate and the lower exhaust plate, the solidification rate of the aluminum liquid on the exhaust plate of the movable die and the fixed die is effectively enhanced, and the aluminum liquid is prevented from overflowing to block a vacuum pipeline;

third, through the setting of roof and quick change board, can make the product can be after the shaping quick drawing of patterns, also can make down the mold core can be quick by jack-up to realize changing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the lower mold body of the present invention when forming the middle shell;

FIG. 3 is a schematic structural view of the lower mold body of the present invention;

fig. 4 is a schematic structural view of the present invention in another direction of fig. 2;

FIG. 5 is a schematic structural view of the upper mold core of the present invention;

FIG. 6 is a schematic structural view of a lower mold core of the present invention;

fig. 7 is a connection diagram of the upper exhaust plate and the lower exhaust plate of the present invention.

In the figure: 1. a lower die body; 2. feeding a mold body; 3. a lower mold core; 4. connecting a bracket; 5. a telescopic oil cylinder; 6. A first slider; 7. a first side core block; 8. a first side stem; 9. a second side core block; 10. a second side core; 11. a lower exhaust plate; 12. an upper mold core; 13. a gate; 14. a first slideway; 15. a second slideway; 16. a first slide rail; 17. a second slide rail; 18. a second slider; 19. a guide bar; 20. a top rod; 21. A top plate; 22. an upper exhaust plate; 23. quickly replacing the plate; 24. base seat

Detailed Description

The invention will be further explained with reference to the following figures and examples:

referring to fig. 1 to 7, an EPS middle housing casting mold includes a lower mold body 1 and an upper mold body 2, a lower mold core 3 is fixed in the lower mold body 1, a mold cavity matched with the EPS middle shell is arranged in the lower mold core 3, a connecting bracket 4 is fixed on the side surface of the lower die body 1, a telescopic oil cylinder 5 is fixed on the connecting bracket 4, a first sliding block 6 is fixed on a cylinder rod of the telescopic cylinder 5, a first side core block 7 is fixed on one side surface of the first sliding block 6, a first side core column 8 which is formed in the middle of the EPS middle shell is fixed on the first side core block 7, a second side core block 9 is connected with the other side surface of the lower die body 1 in a sliding way, a second side core 10 is fixed on the second side core block 9, a lower exhaust plate 11 is further fixed on the lower die body 1, and a slag ladle of the die cavity is communicated with the lower exhaust plate 11; an upper die core 12 is further fixed in the upper die body 2, a pouring gate 13 is further formed in the upper die body 2, a pouring gate of the pouring gate 13 is communicated with the lower die body 1 during die assembly, an upper exhaust plate 22 is fixed in the upper die body 2, and a gap is formed between the upper exhaust plate 22 and the lower exhaust plate 11 during die assembly of the lower die body 1 and the upper die body 2.

The utility model discloses a process is as follows when using, when needing to cast the middle casing of EPS, go up mould 2 and lower mould body 1 and carry out the compound die, pour aluminium liquid in runner 13 of last mould body 2 afterwards, when aluminium liquid was poured, aluminium liquid will flow through watering and enter into the die cavity, at this moment, because be fixed with first side core post 8 on first side core piece 7, so can be directly in the middle casing of EPS connecting hole of side of forming, in addition, because be fixed with second side core 10 on second side core piece 9, can make the arch of the connecting hole bottom of EPS middle casing can normal go on demold, in addition, because be fixed with last exhaust plate 22 and lower exhaust plate 11 in last mould body 2 and lower mould body 1 respectively, be fixed with a plurality of high heat conductivity's arch on last exhaust plate 22 and lower exhaust plate 11, so the invention has effectively strengthened aluminium liquid and has solidified the rate on the exhaust plate of moving cover half, the aluminum liquid overflow is prevented from blocking a vacuum pipeline, the gap between the upper exhaust plate 22 and the lower exhaust plate 11 is set to be 1.0-1.5 mm, the sectional area of an exhaust channel is obviously increased, and gas can be rapidly discharged in a large amount, so that air holes in the product are reduced, and the product percent of pass is improved.

Furthermore, a first slide way 14 and a second slide way 15 are arranged in the lower die body 1, a first slide way 16 is fixed in the first slide way 14, a first sliding block 6 is connected in the first slide way 16 in a sliding manner, a second slide way 17 is fixed in the second slide way 15, and a second sliding block 18 is connected in the second slide way 17 in a sliding manner. Through the arrangement of the first slide way 14 and the second slide way 15, the first slide block and the second slide block can move in a fixed direction, so that the first slide block and the second slide block are prevented from shifting to cause unqualified casting quality.

Further, a guide rod 19 is fixed at the bottom of the upper die body 2, and a guide inclined hole is formed in the second side core block 9. Through the fixed guide bar 19 in the die block 2 bottom, can make the die block 2 can promote the second sliding block 18 and remove in the in-process that rises or descends, need not to adopt other power device.

Furthermore, a plurality of ejector rod 20 holes are formed in the die cavity, a plurality of ejector rods 20 are fixed in the ejector rod 20 holes, a base 24 is fixed at the bottom of the lower die body 1, a top plate 21 is fixed in the base 24, and the ejector rods 20 are fixedly connected to the top plate 21. The utility model discloses in last die body 2 and 1 minute mould of die body down, connect roof 21 through a power device, under power device's effect, roof 21 upwards rises, and ejector pin 20 on the drive also upwards rises to with the top jack-up that makes progress of the good EPS middle casing of shaping, make it realize quick drawing of patterns.

Further, a guide pillar is fixed at the bottom of the lower mold core 3, a quick-change plate 23 is connected to the guide pillar in a sliding manner, a quick-change rod is fixed on the quick-change plate 23, and the ejector rod 20 penetrates through the quick-change plate 23. Owing to be fixed with the guide pillar in lower mold core 3 bottom, sliding connection has quick change plate 23 on the guide pillar, so roof 21 continues the in-process that rises after jack-up with the product, can be with quick change plate 23 jack-up that makes progress, is fixed with quick change rod on the quick change plate 23, can be with lower mold core 3 jack-up that makes things convenient for down with changing of mold core 3 through quick change rod.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The EPS middle shell casting die is characterized by comprising a lower die body and an upper die body, wherein a lower die core is fixed in the lower die body, a die cavity matched with an EPS middle shell is formed in the lower die core, a connecting support is fixed on the side surface of the lower die body, a telescopic oil cylinder is fixed on the connecting support, a first sliding block is fixed on an oil cylinder rod of the telescopic oil cylinder, a first side core block is fixed on one side surface of the first sliding block, a first side core column formed in the middle of the EPS middle shell is fixed on the first side core block, a second side core block is connected to the other side surface of the lower die body in a sliding manner, a second side core block is fixed on the second side core block, a lower exhaust plate is fixed on the lower die body, and a slag ladle of the die cavity is communicated with the lower exhaust plate; the upper die body is also fixedly provided with an upper die core, the upper die body is also provided with a pouring gate, the pouring gate of the pouring gate is communicated with the lower die body during die assembly, the upper die body is fixedly provided with an upper exhaust plate, and a gap is formed between the upper exhaust plate and the lower exhaust plate during die assembly of the lower die body and the upper die body.

2. The EPS middle shell casting mold of claim 1, wherein a first slide and a second slide are provided in the lower mold, a first slide is fixed in the first slide, a first slide block is connected in the first slide in a sliding manner, a second slide is fixed in the second slide, and a second slide block is connected in the second slide in a sliding manner.

3. The EPS middle shell casting mold as claimed in claim 2, wherein a guide rod is fixed to the bottom of the upper mold body, and the second side core block is provided with a guide inclined hole.

4. The EPS middle shell casting mold as claimed in claim 3, wherein a plurality of ejector rod holes are formed in the mold cavity, a plurality of ejector rods are fixed in the ejector rod holes, a base is fixed at the bottom of the lower mold body, a top plate is fixed in the base, and the ejector rods are fixedly connected to the top plate.

5. The EPS middle shell casting mold as claimed in claim 4, wherein a guide post is fixed to the bottom of the lower mold core, a quick-change plate is slidably connected to the guide post, a quick-change rod is fixed to the quick-change plate, and the ejector rod penetrates through the quick-change plate.