Sand casting mold for automobile parts

Abstract

The utility model discloses an automobile part sand casting mold which comprises a working table, a mold cavity is formed in the upper surface of the working table, two sliding rails are symmetrically and fixedly connected to the upper surface of the working table, a first upper mold and a second upper mold are slidably connected to the outer walls of the sliding rails, a first rack is fixedly connected to the upper rear portion of the first upper mold, and a second rack is fixedly connected to the upper rear portion of the second upper mold. And a second rack is fixedly connected to the rear lower portion of the second upper mold, a limiting frame is fixedly connected to the upper surface of the workbench, a gear is connected between the opposite faces of the first rack and the second rack in a meshed mode, and a demolding mechanism matched with demolding of the mold cavity is arranged at the bottom end of the inner wall of the workbench. By arranging a sliding rail, a limiting frame, an upper mold I, an upper mold II, a rack I, a rack II, a plug, a gear and a handle, the mold is convenient to disassemble and assemble and easy to use; through the arranged demolding mechanism, the motor drives the screw to rotate and drives the threaded cylinder to push the push plate upwards until the formed part is separated from the mold cavity, demolding can be completed, and the structure is simple and practical.

Description

Technical Field

[0001] The utility model relates to the technical field of metal casting, in particular to a sand casting mold for automobile parts. Background Art

[0002] Casting is one of the basic processes in the modern machinery manufacturing industry. Sand casting refers to a casting method that produces castings in sand molds. Steel, iron and most non-ferrous alloy castings can be obtained by sand casting. Since the molding materials used in sand casting are cheap and easy to obtain, and the mold is easy to manufacture, it can adapt to the single-piece production, batch production and mass production of castings.

[0003] In the process of sand casting, the mold is very important. However, the existing mold assembly is mostly assembled by covering the upper mold and the lower mold from top to bottom. The mold installation and disassembly are relatively cumbersome. It is not convenient to cover before and after the module is formed, and it is not convenient to demold. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, one of the purposes of the utility model is to provide a sand casting mold for automobile parts. Through the slide rail, limit frame, upper mold one, upper mold two, rack one, rack two, plug, gear, and handle, when casting, one side handle is pulled inward to drive the upper mold one or the upper mold two to slide, and through the gear meshing, the rack one and the rack two are linked to drive the upper mold one and the upper mold two to slide toward each other until the limit block is inserted into the limit hole, the socket one and the socket two are overlapped, and the plug is inserted into the socket one and the socket two to complete the connection and locking of the upper mold one and the upper mold two, and then pouring can be carried out. When demoulding, the above steps can be reversed, the operation is simple and easy to use; through the demoulding mechanism, when demoulding, the motor drives the screw to rotate, and the screw rotation drives the threaded cylinder to push the push plate upward until the molded part is out of the mold cavity, and the demoulding can be completed. The structure is simple and practical.

[0005] One of the purposes of the utility model is achieved by the following technical solution: a sand casting mold for automobile parts, comprising: a workbench, a mold cavity is opened on the upper surface of the workbench, two slide rails are symmetrically fixedly connected to the upper surface of the workbench, an upper mold 1 and an upper mold 2 are slidably connected to the outer wall of the slide rail, the tops of the upper mold 1 and the upper mold 2 are both connected with a pouring port, a rack 1 is fixedly connected to the upper rear of the upper mold 1, and a rack 2 is fixedly connected to the lower rear of the upper mold 2, a limit frame is fixedly connected to the upper surface of the workbench, the rack 1 and the rack 2 are both located in the limit frame cavity, a gear is meshedly connected between the opposite surfaces of the rack 1 and the rack 2, the rear wall of the gear is rotatably connected to the inner wall of the limit frame, and the bottom end of the inner wall of the workbench is provided with a demoulding mechanism for cooperating with the demoulding of the mold cavity;

[0006] The demoulding mechanism comprises a motor, the output end of the motor is fixedly connected with a screw, the outer wall of the screw is threadedly connected with a threaded barrel, the top of the threaded barrel penetrates through the inner wall bottom of the mold cavity and is fixedly connected with a push plate. Through the provided slide rail, limit frame, upper mold 1, upper mold 2, rack 1, rack 2, plug, gear, and handle, when casting, one side of the handle is pulled inward to drive the upper mold 1 or the upper mold 2 to slide, and through the meshing of gears, the rack 1 and the rack 2 are linked to drive the upper mold 1 and the upper mold 2 to slide towards each other until the limit block is inserted into the limit hole, the socket 1 and the socket 2 are overlapped, and the plug is inserted into the socket 1 and the socket 2 to complete the connection and locking of the upper mold 1 and the upper mold 2, and then pouring can be performed. When demoulding, the above steps can be reversed, and the operation is simple and easy to use; through the provided demoulding mechanism, when demoulding, the motor drives the screw to rotate, and the screw rotates to drive the threaded barrel to push the push plate upward until the molded part is out of the mold cavity, and then the demoulding is completed, and the structure is simple and practical.

[0007] According to the automobile parts sand casting mold, the top ends of the upper mold 1 and the upper mold 2 are fixed with handles to facilitate the sliding of the molds.

[0008] According to the automotive parts sand casting mold, a limiting hole is provided on the right side of the upper mold 1, a limiting block corresponding to the position of the limiting hole is fixedly connected to the left side of the upper mold 2, a plug hole 1 is provided at the top of the limiting hole, a plug hole 2 corresponding to the position of the plug hole 1 is provided on the limiting block, and a plug is slidably connected to the inner walls of the plug hole 1 and the plug hole 2. The connection between the two molds is locked.

[0009] A sand casting mold for automobile parts is provided, wherein the bottom ends of the upper mold 1 and the upper mold 2 are both provided with a slide groove matching the shape of the slide rail.

[0010] According to the automobile component sand casting mold, the side wall of the push plate is tightly fitted with the inner side wall of the mold cavity.

[0011] According to the sand casting mold for automobile parts, when the upper mold 1 and the upper mold 2 are connected, the cavity corresponds to the mold cavity.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 The utility model is a three-dimensional sand casting mold for automobile parts Figure 1 ;

[0015] Figure 2 The utility model is a three-dimensional sand casting mold for automobile parts Figure 2 ;

[0016] Figure 3 This is a partial structural diagram of a sand casting mold for automobile parts of the utility model;

[0017] Figure 4 This is a demoulding mechanism structure diagram of a sand casting mold for automobile parts in the utility model

[0018] Legend:

[0019] 1. Workbench; 2. Slide rail; 3. Limit frame; 4. Demolding mechanism; 5. Upper mold 1; 6. Upper mold 2; 7. Filling port; 8. Handle; 9. Slide groove; 10. Plug; 11. Rack 1; 12. Rack 2; 13. Gear; 101. Mold cavity; 401. Motor; 402. Screw; 403. Threaded barrel; 404. Push plate; 501. Limit hole; 502. Socket 1; 601. Limit block; 602. Socket 2. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] Reference Figure 1-4The utility model embodiment is a sand casting mold for automobile parts, which includes: a workbench 1, a mold cavity 101 is opened on the upper surface of the workbench 1, two slide rails 2 are symmetrically fixedly connected to the upper surface of the workbench 1, and the outer wall of the slide rail 2 is slidably connected with an upper mold 1 5 and an upper mold 2 6. The bottom ends of the upper mold 1 5 and the upper mold 2 6 are both provided with a slide groove 9 that matches the shape of the slide rail 2. The tops of the upper mold 1 5 and the upper mold 2 6 are both fixedly connected with a handle 8 for easy sliding of the mold. The tops of the upper mold 1 5 and the upper mold 2 6 are both through-connected with a pouring port 7. A rack 11 is fixedly connected to the upper rear of the upper mold 1 5, and a rack 2 12 is fixedly connected to the lower rear of the upper mold 2 6. A limit frame 3 is fixedly connected to the upper surface of the workbench 1, and the rack 1 11 and the rack 2 12 are both located at the limit In the cavity of the positioning frame 3, a gear 13 is meshed and connected between the opposite surfaces of the rack 11 and the rack 2 12, and the rear wall of the gear 13 is rotatably connected to the inner wall of the limiting frame 3. A limiting hole 501 is provided on the right side of the upper mold 1 5, and a limiting block 601 corresponding to the position of the limiting hole 501 is fixedly connected to the left side of the upper mold 2 6. A plug 1 502 is provided at the top of the limiting hole 501, and a plug 2 602 corresponding to the position of the plug 1 502 is provided on the limiting block 601. The inner walls of the plug 1 502 and the plug 2 602 are slidably connected with a plug 10 to lock the connection between the two molds. When the upper mold 1 5 and the upper mold 2 6 are connected, the cavity corresponds to the mold cavity 101, and the bottom end of the inner wall of the workbench 1 is provided with a demoulding mechanism 4 for cooperating with the demoulding of the mold cavity 101;

[0022] The demoulding mechanism 4 includes a motor 401, the output end of the motor 401 is fixedly connected to a screw rod 402, the outer wall of the screw rod 402 is threadedly connected to a threaded barrel 403, the top of the threaded barrel 403 penetrates the inner wall of the mold cavity 101, and the bottom end is fixedly connected to a push plate 404, and the side wall of the push plate 404 is tightly fitted with the inner wall of the mold cavity 101. Through the provided slide rail 2, limit frame 3, upper mold 1 5, upper mold 2 6, rack 1 11, rack 2 12, plug 10, gear 13, and handle 8, when casting is performed, pulling one side of the handle 8 inward will drive the upper mold 1 5 or the upper mold 2 6 to slide, and through the meshing of the gear 13, the rack 1 11 and the rack 2 12 are linked to drive the upper mold 1 5 and the upper mold 2 6 to slide toward each other until the limit block 601 is inserted into the limit hole 501, and the socket 1 502 and the socket 2 60 2, insert the plug 10 into the socket 1 502 and the socket 2 602, complete the connection and locking of the upper mold 1 5 and the upper mold 2 6, and then pouring can be carried out. When demoulding, the above steps can be reversed. The operation is simple and easy to use. Through the demoulding mechanism 4, when demoulding, the motor 401 drives the screw 402 to rotate, and the screw 402 rotates to drive the threaded cylinder 403 to push the push plate 404 upward until the molded part is out of the mold cavity 101, and then the demoulding is completed. The structure is simple and practical.

[0023] Working principle: When in use, pull the handle 8 on one side inward to drive the upper mold 1 5 or the upper mold 2 6 to slide. At the same time, through the meshing of the gear 13, the rack 11 and the rack 2 12 are linked to drive the upper mold 1 5 and the upper mold 2 6 to slide toward each other until the limit block 601 is inserted into the limit hole 501, the socket 1 502 and the socket 2 602 are overlapped, and the plug 10 is inserted into the socket 1 502 and the socket 2 602 to complete the connection and locking of the upper mold 1 5 and the upper mold 2 6, and then pouring can be carried out through the pouring port 7. When demoulding, the above steps can be reversed. When the molded part is exposed to the air, start the motor 401 to drive the screw 402 to rotate, and the screw 402 rotates to drive the threaded cylinder 403 to push the push plate 404 upward until the molded part is out of the mold cavity 101, and the demoulding is completed. The structure is simple and practical.

[0024] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A sand casting mold for automobile parts, comprising: The workbench (1) is characterized in that a mold cavity (101) is provided on the upper surface of the workbench (1), two slide rails (2) are symmetrically fixedly connected to the upper surface of the workbench (1), an upper mold 1 (5) and an upper mold 2 (6) are slidably connected to the outer wall of the slide rail (2), the top of the upper mold 1 (5) and the top of the upper mold 2 (6) are both through-connected with a pouring port (7), a rack 1 (11) is fixedly connected to the upper rear of the upper mold 1 (5), and a rack 1 (11) is fixedly connected to the upper rear of the upper mold 2 (6). A second rack (12) is fixedly connected at the bottom, the upper surface of the workbench (1) is fixedly connected to a limit frame (3), the first rack (11) and the second rack (12) are both located in the cavity of the limit frame (3), a gear (13) is meshedly connected between the opposite surfaces of the first rack (11) and the second rack (12), the rear wall of the gear (13) is rotatably connected to the inner wall of the limit frame (3), and a demoulding mechanism (4) for cooperating with the demoulding of the mold cavity (101) is provided at the bottom end of the inner wall of the workbench (1); The demoulding mechanism (4) comprises a motor (401), the output end of the motor (401) is fixedly connected to a screw rod (402), the outer wall of the screw rod (402) is threadedly connected to a threaded barrel (403), the top end of the threaded barrel (403) passes through the inner wall of the mold cavity (101) and is fixedly connected to a push plate (404) at the bottom end.

2. The automotive parts sand casting mold according to claim 1, characterized in that: The top ends of the upper mold 1 (5) and the upper mold 2 (6) are both fixedly connected with handles (8).

3. The sand casting mold for automobile parts according to claim 1, characterized in that: A limiting hole (501) is provided on the right side of the upper mold 1 (5), a limiting block (601) corresponding to the position of the limiting hole (501) is fixedly connected to the left side of the upper mold 2 (6), a plug hole 1 (502) is provided at the top of the limiting hole (501), a plug hole 2 (602) corresponding to the position of the plug hole 1 (502) is provided on the limiting block (601), and a plug (10) is slidably connected to the inner walls of the plug hole 1 (502) and the plug hole 2 (602).

4. The automotive parts sand casting mold according to claim 1, characterized in that: The bottom ends of the upper mold 1 (5) and the upper mold 2 (6) are both provided with a slide groove (9) matching the shape of the slide rail (2).

5. The automotive parts sand casting mold according to claim 1, characterized in that: The side wall of the push plate (404) is tightly fitted with the inner side wall of the mold cavity (101).

6. The automotive parts sand casting mold according to claim 1, characterized in that: When the upper mold 1 (5) and the upper mold 2 (6) are connected, the cavity corresponds to the mold cavity (101).

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