Casting equipment for piston shell

Abstract

The utility model relates to the technical field of piston shell casting, in particular to casting equipment for a piston shell, which comprises two half shells, the two half shells are fixedly connected with each other through bolts to form a complete cylinder, a sealing plate is mounted on the outer surface of each half shell, and the sealing plates are arranged on the outer surfaces of the half shells. Cavities are formed between the sealing plates and the half shells, a plurality of hole grooves distributed in an annular array mode are formed in the bottoms of the cavities, rotating rods are installed in the hole grooves and penetrate through the tops of the half shells, and net plates are installed on the outer surfaces of the rotating rods. The casting equipment for the piston shell has the beneficial effects that the rotating rod and the screen plate can be additionally arranged in the cavity of the half shell to be matched with each other for use, so that the flowing of liquid in the cavity is accelerated, the rapid cooling and shaping of the piston shell are conveniently accelerated, and the casting efficiency of the piston shell is improved. And the situation that the piston shell is cooled unevenly and cracks are generated in the piston shell due to the fact that the cooling and shaping rates of the outer surface of the piston shell are inconsistent is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of piston shell, concretely to a casting equipment for piston shell. BACKGROUND

[0002] The production of piston shell is mainly through heating metal material to liquid state, pouring into the casting mold, and taking out after cooling and setting. The piston shell casting equipment is widely used in the casting production of automobile, machinery, aviation, aerospace and other fields. The piston shell casting equipment is an indispensable tool in the piston casting industry, which has the characteristics of high precision, high production efficiency, strong adaptability, simple operation, low maintenance cost, etc. It can efficiently and accurately produce piston shells that meet the requirements, providing strong support for the development of various industries.

[0003] Chinese patent CN117380909A discloses a new type of piston casting equipment, which includes a mold part and a cooling part. The new type of piston casting equipment can uniformly cool each part of the casting liquid and improve the cooling efficiency of the casting liquid. The water supply has no lag and the water volume is sufficient, which improves the cooling efficiency and cooling effect.

[0004] However, since the above structure uses water to cool the inside of the cavity, the water has poor flowability in a closed space. When the water temperature rises, the hot water stays inside the wall, which reduces the cooling efficiency and increases the cooling time, affecting the cooling and setting of the piston shell. Therefore, the utility model provides a casting equipment for piston shell to solve the problems mentioned above. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a casting equipment for piston shell to solve the problems mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a casting equipment for piston shell, which comprises: a half shell, two half shells are connected and fixed to each other by bolts to form a complete cylinder, a sealing plate is installed on the outer surface of the half shell, a cavity is formed between the sealing plate and the half shell, a plurality of annularly arrayed hole grooves are formed in the bottom of the cavity, a rotating rod is installed in the hole groove, the rotating rod penetrates the top of the half shell, and a mesh plate is installed on the outer surface of the rotating rod.

[0007] Preferably, a cross-shaped slot is formed in the top of the rotating rod, a plug is installed on the top of the cross-shaped slot, and a driven gear is fixed to the top of the plug.

[0008] Preferably, a ring plate is installed on the outer surface of the driven gear, a tooth column is formed in the inner side wall of the ring plate, and the tooth column and the driven gear are mutually engaged.

[0009] Preferably, the inner side of the tooth column is provided with a driving gear, the top of the driving gear is provided with a rotating rod, and the top of the rotating rod is provided with a driving motor.

[0010] Preferably, the driving gear and the driven gear are located in the same ring line, the top of the driving gear and the top of the driven gear are provided with a limiting plate, the rotating rod penetrates the top of the limiting plate, and the driving motor is located at the top of the limiting plate.

[0011] Preferably, the top of the half shell is provided with a cover plate, the rotating rod penetrates the top of the cover plate, the driving gear and the driven gear are located at the top of the cover plate, and the top of the cover plate is provided with a pouring port.

[0012] Preferably, the side wall of the sealing plate is provided with a water inlet at the top and a water outlet at the bottom.

[0013] Compared with the prior art, the piston shell casting equipment has the advantages that:

[0014] The piston shell casting equipment can utilize the cooperation between the rotating rod and the mesh plate in the cavity of the half shell, thereby accelerating the flow of the liquid in the cavity, facilitating the rapid cooling and setting of the piston shell, avoiding the inconsistent cooling and setting rate of the outer surface of the piston shell, and preventing the cracks in the piston shell. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a three-dimensional structure schematic view of the cavity inside the utility model;

[0017] Figure 3 It is a three-dimensional structure schematic view of the mesh plate for accelerating the cooling rate of the utility model;

[0018] Figure 4 It is a three-dimensional structure schematic view of the Figure 3 A structure of the utility model.

[0019] In the figure: 1, half shell; 2, cover plate; 3, sealing plate; 4, cavity; 5, water inlet; 6, water outlet;

[0020] 7, hole groove; 8, rotating rod; 9, mesh plate; 10, cross insertion slot; 11, bolt; 12, insertion block; 13, driven gear; 14, ring plate; 15, tooth column; 16, driving gear; 17, rotating rod; 18, driving motor; 19, pouring port; 20, limiting plate. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme of the utility model carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the drawing to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, rather than all the embodiments, only to explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belongs to the scope of the utility model protection.

[0022] Embodiment one

[0023] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of casting equipment for piston shell, the casting equipment of piston shell includes: half shell 1, two half shell 1 are connected by bolt 11 and are mutually fixed to form a complete cylinder, the outer surface of half shell 1 is equipped with sealing plate 3, cavity 4 is arranged between sealing plate 3 and half shell 1, the bottom of cavity 4 is equipped with a plurality of annular array distribution's hole groove 7, hole groove 7 is equipped with rotating rod 8 inside, rotating rod 8 penetrates the top of half shell 1, and the outer surface of rotating rod 8 is equipped with net plate 9;

[0024] The top of half shell 1 is equipped with cover plate 2, rotating rod 8 penetrates the top of cover plate 2, and driving gear 16 and driven gear 13 are all located at the top of cover plate 2, and pouring opening 19 is installed at the top of cover plate 2, water inlet 5 is arranged at the top of the side wall of sealing plate 3, and drain 6 is arranged at the bottom of the side wall of sealing plate 3;

[0025] When using, half shell 1 is connected and fixed by bolt 11, after covering cover plate 2, the liquid for manufacturing piston shell is poured into the inside of half shell 1 from pouring opening 19 to cast, the piston shell can be quickly cooled and shaped by introducing cold water inlet 5 into the inside of cavity 4 in half shell 1, a plurality of net plates 9 are installed in the inside of cavity 4, the liquid flow in the inside of cavity 4 is accelerated by rotating rod 8 driving net plate 9 to rotate, to facilitate the quick cooling and shaping of piston shell.

[0026] Embodiment two

[0027] In order to facilitate the rotation of rotating rod 8 on the basis of embodiment one, cross slot 10 is arranged at the top of rotating rod 8, and plug 12 is installed at the top of cross slot 10, driven gear 13 is fixed at the top of plug 12, ring plate 14 is installed on the outer surface of driven gear 13, and tooth column 15 is arranged on the inner side wall of ring plate 14, and tooth column 15 and driven gear 13 are engaged with each other;

[0028] In use, the driven gear 13 penetrates into the inside of the cross slot 10 through the plug 12, the ring plate 14 can drive the driven gear 13 to rotate through the tooth column 15, and simultaneously can drive the mesh plate 9 to rotate, thereby making the flow rate of the liquid in the two half housings 1 consistent, making the cooling and shaping rate of the outer surface of the piston housing consistent, avoiding uneven cooling to cause the internal rupture of the piston housing.

[0029] Example three

[0030] In order to drive the driven gear 13 to rotate on the basis of example two, the inside of the tooth column 15 is engaged with a driving gear 16, the top of the driving gear 16 is provided with a rotating rod 17, the top of the rotating rod 17 is provided with a driving motor 18, the driving gear 16 and the driven gear 13 are located in the same ring line, the top of the driving gear 16 and the driven gear 13 is provided with a limiting plate 20, the rotating rod 17 penetrates through the top of the limiting plate 20, and the driving motor 18 is located at the top of the limiting plate 20.

[0031] In use, the driving motor 18 drives the rotating rod 17 to rotate, the rotating rod 17 drives the driving gear 16 to rotate, the driving gear 16 is engaged with the tooth column 15 of the ring plate 14 through the teeth, and drives the ring plate 14 to rotate, thereby driving the driven gear 13 to rotate through the ring plate 14.

[0032] In actual use, the half housings 1 are connected and fixed through the bolts 11, after covering the cover plate 2, the liquid for manufacturing the piston housing is poured into the inside of the half housings 1 through the pouring port 19 for pouring, the cold water injection port 5 is introduced into the inside of the cavity 4 in the half housings 1, thereby conveniently making the piston housing quickly cool and shape, the driven gear 13 is fixed above the rotating rod 8 through the plug 12 penetrating into the inside of the cross slot 10, the driving motor 18 drives the rotating rod 17 to rotate, the rotating rod 17 drives the driving gear 16 to rotate, the driving gear 16 is engaged with the tooth column 15 of the ring plate 14 through the teeth, drives the ring plate 14 to rotate, and simultaneously can drive the mesh plate 9 to rotate, thereby accelerating the liquid flow in the cavity 4, conveniently accelerating the quick cooling and shaping of the piston housing, making the flow rate of the liquid in the two half housings 1 consistent, making the cooling and shaping rate of the outer surface of the piston housing consistent, avoiding uneven cooling to cause the internal rupture of the piston housing.

[0033] 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 casting apparatus for a piston housing, characterized by: The casting equipment of the piston shell comprises half shells (1), two half shells (1) are fixed and connected with each other by bolts (11) to form a complete cylinder, the outer surface of the half shell (1) is provided with a sealing plate (3), a cavity (4) is formed between the sealing plate (3) and the half shell (1), a plurality of annularly arranged hole grooves (7) are formed in the bottom of the cavity (4), a rotating rod (8) is arranged in the hole groove (7), the rotating rod (8) penetrates the top of the half shell (1), and a mesh plate (9) is arranged on the outer surface of the rotating rod (8).

2. A casting apparatus for a piston housing as defined in claim 1, characterized in that: The top of the rotating rod (8) is provided with a cross-shaped slot (10), the cross-shaped slot (10) is provided with a plug (12) on the top, and the top of the plug (12) is fixed with a driven gear (13).

3. A casting apparatus for a piston housing as defined in claim 2, characterized in that: The outer surface of the driven gear (13) is provided with a ring plate (14), the inner side wall of the ring plate (14) is provided with a tooth column (15), and the tooth column (15) is in meshing connection with the driven gear (13).

4. A casting apparatus for a piston housing as defined in claim 3, characterized in that: The inner side of the tooth column (15) is in meshing connection with a driving gear (16), the top of the driving gear (16) is provided with a rotating rod (17), and the top of the rotating rod (17) is provided with a driving motor (18).

5. A casting apparatus for a piston housing as defined in claim 4, characterized in that: The driving gear (16) and the driven gear (13) are located in the same ring line, the top of the driving gear (16) and the driven gear (13) is provided with a limiting plate (20), the rotating rod (17) penetrates the top of the limiting plate (20), and the driving motor (18) is located on the top of the limiting plate (20).

6. A casting apparatus for a piston housing as defined in claim 1, wherein: The top of the half shell (1) is provided with a cover plate (2), the rotating rod (8) penetrates the top of the cover plate (2), the driving gear (16) and the driven gear (13) are located on the top of the cover plate (2), and the top of the cover plate (2) is provided with a pouring opening (19).

7. A casting apparatus for a piston housing as defined in claim 1, wherein: The top of the side wall of the sealing plate (3) is provided with a water inlet (5), and the bottom of the side wall of the sealing plate (3) is provided with a drain hole (6).

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