CN213944835U

CN213944835U - Precision casting impeller shell is stained with water installation

Info

Publication number: CN213944835U
Application number: CN202022827536.4U
Authority: CN
Inventors: 王家松; 杜应流; 胡存友; 叶晓峰
Original assignee: Anhui Yingliu Casting Co ltd
Current assignee: Anhui Yingliu Casting Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-13
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a precision casting impeller shell wetting device, which comprises a water storage tank and a shell taking mechanism, wherein the shell taking mechanism comprises a top plate, the lower end surface of the top plate is fixedly connected with a clamping component, the clamping component is clamped with a shell component, the upper end surface of the top plate is fixedly connected with a handle, the four corners of the lower end of the top plate are fixedly connected with limiting rods, the side wall of the upper end of the water storage tank is provided with limiting grooves corresponding to the limiting rods, and the inner wall of the water storage tank is fixedly provided with a water level monitoring ruler; the utility model discloses a centre gripping subassembly carries out the centre gripping to the die shell fixed, and the cooperation of gag lever post and spacing groove for the heat festival of die shell carries out the water-cooling in inserting the tank fast, makes the difference in temperature of molten steel and heat festival increase, and the molten steel cools off fast and realizes that the order solidifies, has solved shrinkage cavity, the shrinkage porosity defect of foundry goods.

Description

Precision casting impeller shell is stained with water installation

Technical Field

The utility model discloses precision casting technical field, in particular to precision casting impeller shell is stained with water installation.

Background

In the production of precision casting impeller and guide vane series products, because the product structure is complicated, the casting contour dimension is large, the blade is thin, the cover plate part is thick, the hot section of the product is dispersed, the inlet end of the impeller is thick, the thickness of the upper cover plate and the lower cover plate is thicker than that of the blade, the connecting part between the blade and the cover plate is the dispersed hot section, in order to ensure the compactness of the casting, the shrinkage porosity defect is solved, a casting head is usually placed at the hot section of the upper cover plate and the hot section of the lower cover plate, but the casting yield is low, the production cost of a casting factory is high, and the produced casting has the defects of shrinkage cavity and shrinkage porosity. Therefore, the hot joint of the shell is dipped with water to reduce the temperature of the hot joint of the shell, the temperature difference between the molten steel and the hot joint is increased, the molten steel is rapidly cooled to realize sequential solidification, and the defects of shrinkage cavity and shrinkage porosity of a casting are overcome.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a water pick-up device for precision casting impeller shell, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a device is stained with to precision casting impeller shell, includes tank and shell mechanism of taking, the shell mechanism of taking includes the roof, the lower terminal surface fixed connection centre gripping subassembly of roof, centre gripping shell subassembly on the centre gripping subassembly, the up end fixed connection handle of roof, the lower extreme four corners department fixed connection gag lever post of roof, the upper end lateral wall of tank is equipped with the spacing groove that corresponds with the gag lever post, tank inner wall fixed mounting water level monitoring chi.

Preferably, the shell assembly comprises a shell and a pouring system, the pouring system is connected with a shell pouring gate, and the joint of the shell and the cover plate is a water wetting area.

Preferably, the centre gripping subassembly includes the mounting panel, terminal surface fixed connection under mounting panel and the roof, the lower terminal surface of mounting panel passes through the bolt symmetric connection L board, two the lower extreme elastic connection symmetrical grip block of L board.

Preferably, the end face of the clamping plate is fixedly connected with the baffle, the baffle is connected with the L plate in a sliding mode through a sliding rod, and the outer ring, located between the baffle and the L plate, of the sliding rod is sleeved with the spring.

Preferably, the number of the slide bars is two, and the end parts of the two slide bars on the same side are fixedly connected with a pull rod.

Preferably, the opposite surface of the clamping plate is arc-shaped, and the clamping plate is positioned in the arc-shaped groove and fixedly connected with the rubber pad.

Preferably, the bottom of the limiting groove is fixedly connected with a shock pad.

Preferably, the water level monitoring ruler is a linear scale.

Compared with the prior art, the utility model discloses the beneficial effect who produces is: the utility model discloses a centre gripping subassembly carries out the centre gripping to the die shell fixed, and the cooperation of gag lever post and spacing groove for the heat festival of die shell carries out the water-cooling in inserting the tank fast, makes the difference in temperature of molten steel and heat festival increase, and the molten steel cools off fast and realizes that the order solidifies, has solved shrinkage cavity, the shrinkage porosity defect of foundry goods.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the clamping assembly of the present invention;

fig. 3 is a bottom view of the clamping assembly of the present invention;

fig. 4 is a schematic view of the shell assembly of the present invention.

In the figure: 1. a water storage tank; 2. a top plate; 3. a clamping assembly; 31. mounting a plate; 32. a bolt; 33. an L plate; 34. a clamping plate; 35. a baffle plate; 36. a slide bar; 37. a spring; 38. a pull rod; 39. a rubber pad; 4. a shell assembly; 41. molding a shell; 42. a pouring system; 43. a water-stained area; 5. a handle; 6. a limiting rod; 7. a limiting groove; 8. a water level monitoring ruler; 9. a shock-absorbing pad.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a device is stained with to precision casting impeller shell, includes tank 1 and shell mechanism of taking, the shell mechanism of taking includes roof 2, the lower terminal surface fixed connection centre gripping subassembly 3 of roof 2, centre gripping shell subassembly 4 on the centre gripping subassembly 3, the up end fixed connection handle 5 of roof 2, the lower extreme four corners department fixed connection gag lever post 6 of roof 2, the upper end lateral wall of tank 1 is equipped with the spacing groove 7 that corresponds with gag lever post 6, tank 1 inner wall fixed mounting water level monitoring chi 8.

In this embodiment, the mold shell assembly 4 includes a mold shell 41 and a gating system 42, the gating system 42 is connected to a gate of the mold shell 41, and a water-wetting area 43 is located at a joint of the blade and the cover plate of the mold shell 41.

In this embodiment, the clamping assembly 3 includes a mounting plate 31, the lower end face of the mounting plate 31 is fixedly connected with the lower end face of the top plate 2, the lower end face of the mounting plate 31 is symmetrically connected with an L plate 33 through a bolt 32, and the lower end of the L plate 33 is elastically connected with a symmetrical clamping plate 34.

In this embodiment, the end surface of the clamping plate 34 is fixedly connected to a baffle 35, the baffle 35 is slidably connected to the L-plate 33 through a sliding rod 36, and a spring 37 is sleeved on an outer ring of the sliding rod 36, which is located between the baffle 35 and the L-plate 33.

In this embodiment, there are two slide bars 36, and the ends of the two slide bars 36 on the same side are fixedly connected with a pull rod 38.

In this embodiment, the opposite surface of the clamping plate 34 is arc-shaped, and the clamping plate 34 is located in the arc-shaped groove and fixedly connected with the rubber pad 39.

In this embodiment, the bottom of the limiting groove 7 is fixedly connected with a shock pad 9.

In this embodiment, the water level monitoring ruler 8 is a linear scale.

When the method is implemented specifically, after the shell is completely roasted, the shell is taken out, the shell is clamped and fixed through the clamping assembly 3 and is rapidly inserted into the water storage tank 1, the water-stained area of the shell is just soaked into the water storage tank through the matching of the limiting rod 6 and the limiting groove 7, the shell is taken out after being soaked for 3-5 seconds, the cooling effect is not achieved within too short time, the cold water is soaked into the formwork for too long time, casting defects such as cold shut, air holes and the like are generated, the water-stained position of the formwork is at the hot junction of a casting, the temperature of the shell is rapidly reduced by about 500 ℃ under the action of circulating water, molten steel pouring is carried out, the temperature of the molten steel at the moment is about 1550 ℃, the temperature difference between the two is large, rapid cooling is generated, sequential solidification is realized, and the defects of shrinkage cavity and shrinkage porosity of the casting are overcome.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a precision casting impeller shell is stained with water installation, includes that tank and shell take the mechanism, its characterized in that: the shell taking mechanism comprises a top plate, the lower end face of the top plate is fixedly connected with a clamping assembly, the clamping assembly is provided with a clamping shell assembly, the upper end face of the top plate is fixedly connected with a handle, the lower end four corners of the top plate are fixedly connected with limiting rods, the upper end side wall of the water storage pool is provided with limiting grooves corresponding to the limiting rods, and a water level monitoring ruler is fixedly installed on the inner wall of the water storage pool.

2. The apparatus of claim 1, wherein the pump comprises: the shell assembly comprises a shell and a pouring system, the pouring system is connected with a shell pouring gate, and the shell is positioned at the joint of the blade and the cover plate and is a water wetting area.

3. The apparatus of claim 1, wherein the pump comprises: the centre gripping subassembly includes the mounting panel, terminal surface fixed connection under mounting panel and the roof, the lower terminal surface of mounting panel passes through bolt symmetric connection L board, two the grip block of the lower extreme elastic connection symmetry of L board.

4. The apparatus of claim 3, wherein the pump comprises: the end face of the clamping plate is fixedly connected with the baffle, the baffle is connected with the L plate in a sliding mode through the sliding rod, and the outer ring, located between the baffle and the L plate, of the sliding rod is sleeved with the spring.

5. The apparatus of claim 4, wherein the pump comprises: the number of the slide bars is two, and the end parts of the two slide bars on the same side are fixedly connected with a pull rod.

6. The apparatus of claim 4, wherein the pump comprises: the opposite surfaces of the clamping plates are arc-shaped, and the clamping plates are positioned in the arc-shaped grooves and fixedly connected with rubber pads.

7. The apparatus of claim 1, wherein the pump comprises: the bottom of the limiting groove is fixedly connected with a shock pad.

8. The apparatus of claim 1, wherein the pump comprises: the water level monitoring ruler is a linear graduated scale.