CN215697797U

CN215697797U - Water pump impeller mould

Info

Publication number: CN215697797U
Application number: CN202120480031.7U
Authority: CN
Inventors: 贺雄
Original assignee: Guangdong Xiongyi Mechanical Mould Co ltd
Current assignee: Guangdong Xiongyi Mechanical Mould Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2022-02-01
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a water pump impeller die which comprises an upper die and a lower die, wherein the upper die comprises an upper die fixing plate, a pouring opening, an upper die pressing plate and an upper die cavity, a plurality of positioning holes are formed in the upper die fixing plate, positioning columns are arranged in the upper die fixing plate, the upper die pressing plate and the upper die cavity, the positioning columns penetrate through the positioning holes, the upper die fixing plate, the upper die pressing plate and the upper die cavity, the lower die comprises a lower die fixing plate, a lower die side plate, a lower die pressing plate and a lower die cavity, a jacking column hole is formed in the bottom of the lower die fixing plate, a jacking plate is arranged on the lower die fixing plate, a jacking needle is arranged on the jacking plate, and penetrates through the lower die pressing plate and is movably connected with the lower die cavity. The utility model relates to a water pump impeller mold which is mainly used for manufacturing a water pump impeller, wherein the water pump impeller is manufactured in a pouring mode, and the water pump impeller is quickly ejected by arranging an ejection pin and an ejection column, so that quick demolding is realized.

Description

Water pump impeller mould

Technical Field

The utility model relates to the field of dies, in particular to a water pump impeller die.

Background

The shape of the impeller blade is distorted, the surface of the blade is a casting surface, the surface is smooth, and the general size deviation is as follows: plus or minus 0.2, casting defects such as shrinkage cavities, looseness, air holes and the like are not allowed; static balance test is carried out on the impeller, and the unbalance is poor: 5.0 g. At present, the known water pumps are mainly of two types, one is a vacuum water pump, and the other is a submersible pump. No matter which kind of water pump all mainly comprises the pump body, pump cover and impeller, wherein the impeller that plays decisive role. The water pump impeller is generally made of cast iron and cast steel, and a sand casting process or an investment casting process is generally adopted in a traditional mode, wherein the sand casting process generally comprises the working procedures of core box preparation, sand preparation and molding, cavity preheating, pouring, mold opening, sand removal and the like. However, the process requires large processing amount of castings, high casting rejection rate, low cooling speed of the castings and difficult demoulding.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the technology, the utility model provides the water pump impeller mold which has the advantage of rapid demolding.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a water pump impeller mould, includes mould and lower mould, it includes the punch holder board, pours the mouth, goes up the clamp plate and goes up the die cavity to go up the mould, it is equipped with a plurality of locating holes to go up the punch holder board, goes up the clamp plate and goes up the die cavity, it is equipped with the reference column to go up the die holder board, go up the clamp plate and go up the die cavity, the lower mould includes lower die fixing plate, lower die curb plate, lower die clamp plate and lower die cavity, the bottom of lower die fixing plate is equipped with the ejector pin hole, the higher authority of lower die fixing plate is equipped with the liftout plate, be equipped with the liftout needle above the liftout plate, the liftout needle run through lower die holder board with lower die cavity swing joint.

As a further explanation, be equipped with the pipeline of pouring on pouring the mouth, be equipped with a plurality of screw thread posts on pouring the mouth, it is connected with last fixed plate of mould to pour the mouth through the screw thread post.

As a further explanation, the upper die cavity and the lower die cavity are provided with fixing blocks, a fixing rod is arranged between the upper die cavity and the lower die cavity, and the fixing rod is connected with the fixing blocks.

As a further explanation, an ejection column is arranged in the middle of the ejection plate and penetrates through the lower die pressing plate and the lower die cavity.

As further elaboration, be equipped with the compression leg below the top platen, and be equipped with the spring on the compression leg, top platen pass through compression leg and spring with go up the die cavity and be connected.

In conclusion, the utility model has the following beneficial effects:

1. according to the water pump impeller mold, the water pump impeller is quickly ejected through the ejection pin and the ejection column, so that quick demolding is realized.

2. According to the water pump impeller mold, the compression columns and the springs are arranged to fix the upper mold pressing plate and the upper mold cavity, so that the phenomenon that molten raw materials entering a pouring pipeline flow out of a gap between the upper mold pressing plate and the upper mold cavity to influence the quality of a final product is avoided.

3. The water pump impeller mold provided by the utility model has the effect of fixing the upper mold cavity and the lower mold cavity by arranging the fixing block and the fixing rod.

Drawings

FIG. 1 is a schematic view of the overall structure of a water pump impeller mold according to the present invention;

FIG. 2 is a schematic structural view of an upper mold of the present invention;

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

FIG. 4 is a top view of the lower mold cavity of the present invention;

FIG. 5 is a schematic structural view of a lower mold fixing plate according to the present invention;

fig. 6 is an enlarged view of a portion a in fig. 1.

Reference numbers in the figures:

1-upper mold fixing plate; 2-upper mould pressing plate; 3-upper die cavity; 4-upper mould; 5-fixing the lower die; 6-lower die side plate; 7-lower die pressing plate; 8-lower die cavity; 9-lower die; 10-pouring a mouth; 11-pouring a pipeline; 12-a spring; 13-a threaded post; 14-fixing block; 15-fixing the rod; 16-a knock-out needle; 17-a knock-out plate; 18-an ejection column; 19-a post hole; 20-pressing the column; 21-positioning holes; 22-location columns.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-6, a water pump impeller mould, includes last mould 4 and lower mould 9, it includes upper fixing plate 1, pours mouth 10, goes up clamp plate 2 and goes up die cavity 3 to go up mould 4, the higher authority of upper fixing plate 1 is equipped with a plurality of locating holes 21, be equipped with reference column 22 in upper fixing plate 1, last clamp plate 2 and the last die cavity 3, reference column 22 runs through locating hole 21, upper fixing plate 1, last clamp plate 2 and last die cavity 3, lower mould 9 includes lower mould fixed plate 5, lower mould curb plate 6, lower clamp plate 7 and lower die cavity 8, the bottom of lower mould fixed plate 5 is equipped with ejection hole 19, the higher authority of lower mould fixed plate 5 is equipped with ejector plate 17, be equipped with ejection needle 16 above ejector plate 17, ejection needle 16 run through lower clamp plate 7 with lower die cavity 8 swing joint.

In this embodiment, a pouring pipeline 11 is arranged on the pouring port 10, a plurality of threaded columns 13 are arranged on the pouring port 10, the pouring port 10 is connected with the upper mold fixing plate 1 through the threaded columns 13, and the pouring port 10 and the pouring pipeline 11 are arranged for pouring, so that when the pouring device is used specifically, raw materials in a molten state are poured into the pouring port 10 and the pouring pipeline 11, and then the raw materials can be sent to the upper mold cavity and the lower mold cavity 8.

In this embodiment, the upper mold cavity 3 and the lower mold cavity 8 are provided with fixing blocks 14, a fixing rod 15 is arranged between the upper mold cavity 3 and the lower mold cavity 8, the fixing rod 15 is connected with the fixing block 14, the upper mold 4 and the lower mold 9 are fixed by the fixing block 14 and the fixing rod 15, when the device is used, the upper mold 4 is kept still, the lower mold 9 is fixedly connected with an injection molding machine, a cylinder on the injection molding machine penetrates through a jack-post hole 19 to be connected with an ejector plate 17, the cylinder on the injection molding machine moves upwards to push the ejector plate 17, the ejector plate 17 pushes an ejector pin 16 and an ejector post 18 to move upwards, and the ejector pin 16 pushes the lower mold cavity 8 to eject the water pump impeller.

In this embodiment, an ejection column 18 is disposed in the middle of the ejection plate 17, and the ejection column 18 penetrates through the lower mold platen 7 and the lower mold cavity 8.

In this embodiment, be equipped with compression leg 20 below last molding board 2, and be equipped with spring 12 on the compression leg 20, last molding board 2 through compression leg 20 and spring 12 with last die cavity 3 is connected, play the effect of fixed last molding board 2 and last die cavity 3 through compression leg 20 and spring 12, avoid when using, flow out in the space between last molding board 2 and the last die cavity 3, influence the quality of final product in the raw materials of the molten condition of entering among the pouring pipeline 11.

During the specific use, mould 4 and lower mould 9 are gone up in the equipment, add the raw materials of molten state to pouring pipeline 11 on the upper die 4, the raw materials of molten state enters into last die cavity 3 and lower die cavity 8 this moment, the compound die cools off the shaping, after the shaping, go up mould 4 and remain motionless, and lower mould 9 and injection molding machine fixed connection, the cylinder on the injection molding machine runs through the fore-set hole 19 and is connected with ejector plate 17, the cylinder upward movement on the injection molding machine promotes ejector plate 17 upward movement, and ejector plate 17 promotes ejection needle 16 and ejection post 18 upward movement, and then ejection needle 16 promotes lower die cavity 8 ejecting water pump impeller.

The utility model has the following beneficial effects: through setting up the ejector pin, it is ejecting fast to the water pump impeller that ejecting post is ejecting, realize quick drawing of patterns, compare with traditional mould, the process of artifical drawing of patterns has been reduced, general mould can only the compound die, can't be ejecting with the water pump impeller after the shaping fast, play the effect of fixed cope match-plate pattern and last die cavity through setting up compression leg and spring, avoid when using, the raw materials of the molten state that gets into in the pouring pipeline flows from the space between cope match-plate pattern and the last die cavity, influence the quality of final product, play the effect of fixed cope match-plate pattern and die cavity down through setting up fixed block and dead lever.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a water pump impeller mould which characterized in that: including last mould and lower mould, go up the mould and include upper fixing plate, pour mouthful, top molding plate and go up the die cavity, the higher authority of upper fixing plate is equipped with a plurality of locating holes, top molding plate and last die cavity are equipped with the reference column, the reference column runs through locating hole, top fixing plate, top molding plate and last die cavity, the lower mould includes lower die fixing plate, lower mould curb plate, lower die pressing plate and lower die cavity, the bottom of lower die fixing plate is equipped with the apical pole hole, the higher authority of lower die fixing plate is equipped with the liftout plate, be equipped with the liftout needle above the liftout plate, the liftout needle run through lower die pressing plate with lower die cavity swing joint.

2. The water pump impeller mold as recited in claim 1, wherein: the pouring port is provided with a pouring pipeline, the pouring port is provided with a plurality of threaded columns, and the pouring port is connected with the upper die fixing plate through the threaded columns.

3. The water pump impeller mold as recited in claim 1, wherein: the upper die cavity and the lower die cavity are provided with fixing blocks, a fixing rod is arranged between the upper die cavity and the lower die cavity, and the fixing rod is connected with the fixing blocks.

4. The water pump impeller mold as recited in claim 1, wherein: and an ejection column is arranged in the middle of the ejection plate and penetrates through the lower die pressing plate and the lower die cavity.

5. The water pump impeller mold as recited in claim 1, wherein: and a pressing column is arranged below the upper die pressing plate, a spring is arranged on the pressing column, and the upper die pressing plate is connected with the upper die cavity through the pressing column and the spring.