Motor cylinder casting mold

Abstract

The utility model discloses a motor cylinder casting die which comprises two half dies made of metal materials, a cavity which is formed in the middle of the two half dies after the two half dies are combined, a pouring gate communicated with the cavity is formed after the two half dies are combined, and a cover plate which is equal to the half dies in length and width is fixedly installed on the back sides of the half dies through bolts. The cover plate comprises a plate body, a boss is arranged in the middle of the inner side of the plate body, a groove matched with the boss is formed in the back side of the half die, a snakelike cooling water channel is distributed on the boss, two water openings are formed in the side face of the plate body, and the two water openings are correspondingly communicated with the ends of the cooling water channel. The snake-shaped cooling water channel is arranged in the cover plate, cooling water is introduced in the cooling stage after casting to dissipate heat of the cover plate and the half mold, the cooling rate of the casting is improved, the cover plate and the half mold are designed in a separated mode, and machining and manufacturing are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to casting mould technical field, concretely is a motor cylinder casting mould. BACKGROUND

[0002] Aluminum alloy has multiple kinds, different aluminum alloy has corresponding production method, among them, cast aluminum alloy contains strengthening element in addition, must contain enough amount of eutectic element (usually silicon) to make alloy have considerable fluidity, the motor in submersible pump in order to improve corrosion resistance, its shell cylinder is aluminum alloy material and adopts sand mould or metal mould casting forming, metal casting mould can be repeatedly used, is favorable for reducing manufacturing cost, the existing motor cylinder casting metal mould mostly adopts natural cooling, and the cooling time after casting is longer, thereby influence the efficiency of generation. SUMMARY

[0003] The utility model discloses a motor cylinder casting mould to solve the problem in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a motor cylinder casting mould, including two metal material's half mould, two the half mould is closed in the middle part and forms with the motor cylinder outside profile copying's cavity, two the half mould is closed and forms with the cavity communication's sprue, the back of half mould is fixed with the cover plate that is equal with its length and width size with bolt installation, the cover plate includes the board body, the inboard middle part of board body is equipped with the boss, the back of half mould is equipped with the groove that is adapted with boss, the boss is distributed with the cooling water channel of snakelike, the side of board body is equipped with two water mouth, two the water mouth is corresponding with the end of cooling water channel communication.

[0005] Preferably, the upper part of the half mold is fixedly installed with a pouring ladle, the pouring ladle is used for guiding the pouring liquid into the cavity, and the cavity is placed with a sand core.

[0006] Preferably, a rectangular sealing ring is bonded on the boss, and the sealing ring includes the cooling water channel.

[0007] Compared with the prior art, the utility model has the advantages that: the cooling water channel is arranged in the cover plate, cooling water is connected during the cooling stage after pouring to cool the cover plate and the half mold, the cooling rate of the casting is improved, and the cover plate and the half mold are designed in a separated manner, which is convenient for processing and manufacturing. BRIEF DESCRIPTION OF DRAWINGS

[0008] Fig. 1 It is a three-dimensional structure schematic view of the utility model;

[0009] Fig. 2 It is an internal structure schematic view of the utility model;

[0010] Fig. 3 The three-dimensional structure of the cover plate is shown schematically.

[0011] In the figure: 1, half mold; 2, cover plate; 21, plate body; 22, boss; 23, cooling water channel; 24, sealing ring; 25, water gap; 3, pouring ladle; 4, pouring gate; 5, cavity. DETAILED DESCRIPTION

[0012] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0013] Please refer to Figs. 1-3 The utility model provides a kind of technical solutions: a motor cylinder casting mold, including two metal material half molds 1, two half molds 1 are closed in middle part Formed with the cavity 5 of the profile copying of motor cylinder outside, two half molds 1 are closed to form with the pouring gate 4 that communicates with cavity 5, the upper portion of half mold 1 is fixedly installed with pouring ladle 3, pouring ladle 3 is used to guide flow to cavity 5 inside pouring liquid, sand core is placed in cavity 5, and sand core is used to form the internal structure of motor cylinder.

[0014] The back side of half mold 1 is fixedly installed with cover plate 2 with its length and width size, and cover plate 2 includes plate body 21, the inside middle part of plate body 21 is equipped with boss 22, the back side of half mold 1 is equipped with the groove compatible with boss 22, the height of boss 22 is 3-5mm, boss 22 plays the role of positioning plate body 21, and simultaneously improves sealing. Serpentine cooling water channel 23 is distributed on boss 22, the side surface of plate body 21 is equipped with two water gaps 25, and two water gaps 25 are communicated with the end of cooling water channel 23 correspondingly, water gap 25 is connected with circulating water pipe through joint, rectangular sealing ring 24 is bonded on boss 22, and sealing ring 24 is included in cooling water channel 23, and sealing ring 24 is used to prevent cold water leakage in cooling water channel 23.

[0015] Working principle: install cover plate 2 on the back of half mold, set serpentine cooling water channel 23 in cover plate 2, in the cooling stage after pouring, cooling water channel 23 is connected with flowing cooling water, and cover plate 2 and half mold 1 are cooled, to improve the cooling rate of casting.

[0016] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A motor cylinder casting mold comprising two metal half-molds (1) which, when closed, form a cavity (5) in the middle which is shaped to the outer contour of a motor cylinder, characterized in that: Two said half-molds (1) are closed to form a gate (4) communicating with a cavity (5), the back side of the half-mold (1) is fixedly installed with a cover plate (2) equal in length and width to the half-mold (1), the cover plate (2) comprises a plate body (21), a boss (22) is arranged at the middle of the inner side of the plate body (21), the back side of the half-mold (1) is provided with a groove matching the boss (22), the boss (22) is provided with a serpentine cooling water channel (23), and the side of the plate body (21) is provided with two water outlets (25) corresponding to the ends of the cooling water channel (23).

2. A motor barrel casting mold according to claim 1, characterized in that: A pouring cup (3) is fixedly installed on the upper part of the half-mold (1), the pouring cup (3) is used for guiding pouring liquid into the cavity (5), and a sand core is placed in the cavity (5).

3. A motor barrel casting mold according to claim 1, characterized in that: A rectangular sealing ring (24) is bonded on the boss (22), and the sealing ring (24) encloses the cooling water channel (23).

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