Rapid sand mold casting equipment
By designing a rapid sand casting equipment with a flip-up upper mold and a limiting cooling system, the problems of slow casting speed and low efficiency in the existing technology have been solved, and automated mold closing and rapid cooling have been achieved, thus improving casting efficiency.
Patent Information
- Application Number
- CN202520332892.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing casting equipment requires multiple machines and manual assistance during the casting process, resulting in slow casting speed and low efficiency.
A rapid sand casting equipment was designed, which adopts a flip-up upper mold structure and combines a limiting and cooling system to achieve automated mold closing and rapid cooling, eliminating the need for multiple machines and manual assistance.
It improves casting efficiency, reduces cooling time, and increases overall production efficiency.
Smart Images
Figure CN223776002U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to casting equipment, concretely relates to a quick sand mould casting equipment. BACKGROUND
[0002] Casting is a method of pouring liquid metal into a specific shape of casting mold, and obtaining a part or blank after cooling and solidification. Casting process has a history of about 6000 years, and is one of the earliest mastered metal hot working processes in China. Casting can not only produce parts with complex shape, especially parts with complex internal cavity shape, but also has strong adaptability, alloy types are not limited, and the size of the casting is almost not limited.
[0003] During casting, sand needs to be filled in the mold, then the upper mold is turned over, the mold is closed, the molten iron is poured into the pouring hole, and after cooling and forming, the surface sand is removed and the pouring part is polished.
[0004] At present, due to the need for turning over the upper mold, closing the mold and cooling process during pouring, multiple devices are often used in the prior art, resulting in slow casting speed and low efficiency. UTILITY MODEL CONTENT
[0005] Based on the fact that the multiple steps of pouring cannot be integrated in the prior art, especially the turning over and closing steps, the utility model provides a quick sand mould casting equipment.
[0006] The utility model solves the above technical problems by adopting the following technical scheme:
[0007] The quick sand mould casting equipment comprises a machine table, guide columns arranged on the machine table, lifting driving devices arranged at the top of the guide columns, lower molds fixed at the bottom of the guide columns, and rectangular upper mold frames slidingly arranged on the guide columns. The output end of the lifting driving device is connected with the upper mold frame. An upper mold with a pouring hole is rotatably arranged in the upper mold frame. The lower mold and the upper mold are provided with forming cavities for containing casting sand.
[0008] As a preferred embodiment, a driving cylinder is arranged on the upper mold frame. The output end of the driving cylinder penetrates the upper mold frame and is connected with the upper mold to drive the upper mold to turn over in the upper mold frame.
[0009] As preferred, the upper mold side wall is further provided with a limiting slot, the upper mold frame is provided with a limiting cylinder, the output end of the limiting cylinder penetrates the upper mold frame and is provided with a limiting tube which is matched with the shape of the limiting slot, and the limiting tube and the limiting slot are one-to-one matched to extend into the limiting slot to keep the upper mold horizontal after the upper mold is turned over. The limiting cylinder pushes the limiting tube to extend into the limiting slot to ensure the levelness of the upper mold.
[0010] As preferred, the upper mold is provided with an upper cooling channel, the inlet and outlet of the upper cooling channel are located at the bottom of the limiting slot, the limiting tube is a tube body with openings at the outer end and the side wall, the opening at the outer end of the tube body is connected with the inlet or outlet of the cooling channel, and the opening at the side wall of the tube body is connected with the water inlet pipe and the water outlet pipe. In this scheme, the limiting structure is telescopic, which is used to communicate the pipe with the upper cooling channel for cooling while limiting.
[0011] As preferred, the inlet and outlet of the upper cooling channel are located at the front and back of the upper mold. In this scheme, the front and back distribution can speed up the inlet and outlet time of the cooling water, reduce the cooling time, and improve the cooling efficiency.
[0012] As preferred, the driving cylinder is located at the left side of the upper mold. The driving cylinder is a rotary cylinder which is used to drive the upper mold to turn over 180 degrees, and the upper mold is provided with two rotating shafts which extend into the upper mold frame, and one rotating shaft is connected with the output end of the driving cylinder.
[0013] As preferred, the outer end of the tube body is sleeved with a ring-shaped sealing gasket, and the sealing gasket is compressed on the bottom of the limiting slot to form a seal when the tube body abuts against the bottom of the limiting slot. This sealing structure is used to form a seal when the tube body is inserted to avoid water leakage during water cooling.
[0014] As preferred, the lower mold is internally provided with a lower cooling channel, and the inlet and outlet of the lower cooling channel are connected with the water inlet pipe and the water outlet pipe. The lower cooling channel is used to water cool the lower mold.
[0015] As preferred, the water inlet pipe is provided with an electric control valve. The electric control valve is used to control the water supply for cooling the lower mold.
[0016] As preferred, the lifting driving device includes four lifting driving cylinders which are arranged in a rectangular array and are in linkage structure. The linkage can adopt the common main gas pipe combined with branch pipes to supply gas, so that the lifting force is applied to the upper mold frame from multiple positions to make it vertically lift.
[0017] Compared with the prior art, the upper mold is provided with the overturning structure, after the sand for molding is added, the upper mold is overturned and then clamped, and then the molten iron is directly injected, so that the complicated manual auxiliary mode of multiple devices is omitted, and the casting efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] The utility model will be described in further detail below in combination with the drawings and preferred embodiments, but the person skilled in the art will appreciate that these drawings are only drawn for the purpose of explaining the preferred embodiments and therefore should not be regarded as limiting the scope of the utility model. In addition, unless specifically indicated, the drawings only schematically show the composition or structure of the described objects and can contain exaggerated display, and the drawings are not necessarily drawn to scale.
[0019] Figure 1 It is the front view of the present application;
[0020] Figure 2 It is the perspective view of the present application;
[0021] Figure 3 It is the perspective view of the present application;
[0022] Figure 4 It is the explosion view of the present application;
[0023] In the drawing: 10, machine table;101, guide column;20, lifting drive cylinder;30, limit cylinder;301, limit pipe;40, drive cylinder;501, lower mold;502, upper mold frame;503, upper mold;5031, limit groove. DETAILED DESCRIPTION
[0024] The preferred embodiments of the utility model will be described in detail below with reference to the drawings. The person skilled in the art will appreciate that these descriptions are only descriptive, exemplary and should not be interpreted as limiting the protection scope of the utility model.
[0025] Embodiment:
[0026] The rapid sand mold casting equipment of this embodiment, such as Figures 1-4As shown, including machine 10, set on the machine 10 guide post 101, set on the guide post 101 top lifting drive, fixed to the guide post 101 bottom die 501 and slidingly disposed on the guide post 101 rectangular upper mold frame 502, the output of the lifting drive is connected with the upper mold frame 502, the upper mold frame 502 is rotatably provided with an upper die 503 with a pouring hole, and the lower die 501 and the upper die 503 are provided with a forming cavity for forming cast sand. The upper die 503 is provided as a reversible structure, after adding the sand for forming, the upper die 503 is turned over and then the mold is closed, and the molten iron is directly injected after the mold is closed, which saves multiple equipment and the cumbersome manual auxiliary mode, and improves the efficiency of casting.
[0027] As preferred, the upper mold frame 502 is provided with a driving cylinder 40, the output end of the driving cylinder 40 penetrates the upper mold frame 502 and is connected with the upper die 503 to drive the upper die 503 to turn over in the upper mold frame 502.
[0028] As preferred, the side wall of the upper die 503 is further provided with a limiting groove 5031, the upper mold frame 502 is provided with a limiting cylinder 30, the output end of the limiting cylinder 30 penetrates the upper mold frame 502 and is provided with a limiting tube 301 matched with the shape of the limiting groove 5031, the limiting tube 301 and the limiting groove 5031 are used in pairs to extend into the limiting groove 5031 after the upper die 503 is turned over to keep the upper die 503 horizontal. The limiting cylinder 30 pushes the limiting tube 301 to extend into the limiting groove 5031 to ensure the levelness of the upper die 503.
[0029] As preferred, the upper die 503 is provided with an upper cooling channel, the inlet and outlet of the upper cooling channel are located at the groove bottom of the limiting groove 5031, the limiting tube 301 is a tube body with openings only at the outer end and the side wall, the opening at the outer end of the tube body is connected with the inlet or outlet of the cooling channel, and the opening at the side wall of the tube body is connected with the water inlet pipe and the drain pipe. In this scheme, the telescopic limiting structure is provided to communicate the pipeline with the upper cooling channel for cooling while limiting.
[0030] As preferred, the inlet and outlet of the upper cooling channel are located at the front and rear sides of the upper die 503. In this scheme, the front and rear distribution can speed up the inlet and outlet time of the cooling water, reduce the cooling time and improve the cooling efficiency.
[0031] As preferred, the driving cylinder 40 is located at the left side of the upper die 503. The driving cylinder 40 is a rotary cylinder for driving the upper die 503 to turn over 180 degrees, and the two rotary shafts extending into the upper mold frame 502 are provided on the two sides of the upper die 503, and one rotary shaft is connected with the output end of the driving cylinder 40.
[0032] As preferred, the outer end of the pipe body is sleeved with a ring-shaped sealing washer, and the sealing washer is compressed against the bottom of the limiting groove 5031 to form a seal when the pipe body abuts against the limiting groove 5031. The sealing structure is used to form a seal when the pipe body is inserted, so as to avoid water leakage during water cooling.
[0033] As preferred, the lower mold 501 is internally provided with a lower cooling channel, and the inlet and outlet of the lower cooling channel are connected with the water inlet pipe and the water outlet pipe. The lower cooling channel is used to water cool the lower mold 501.
[0034] As preferred, the water inlet pipe is provided with an electric control valve. The electric control valve is used to control the water supply for cooling the lower mold 501.
[0035] As preferred, the lifting driving device includes four lifting driving cylinders 20 arranged in a rectangular matrix, and the four lifting driving cylinders 20 are in linkage. The linkage can be supplied with air through a common main air pipe and branch pipes, so as to apply lifting force to the upper mold frame 502 from multiple positions to vertically lift the upper mold frame 502.
[0036] The above describes the quick sand mold casting equipment provided by the present application. The principle and implementation mode of the present application are described by using specific examples. The above description of the examples is only used to help understand the present application and the core idea. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the present application without departing from the principle of the present application, and these improvements and modifications also fall within the protection scope of the present application.
Claims
1. A rapid sand casting apparatus, characterized by, The device comprises a machine table, guide columns arranged on the machine table, lifting driving devices arranged on the top of the guide columns, lower molds fixed on the bottom of the guide columns, and a rectangular upper mold frame arranged on the guide columns.
2. The rapid sand casting apparatus according to claim 1, characterized by, The output end of the lifting driving device is connected with the upper mold frame, and the upper mold frame is internally rotatably provided with an upper mold with a casting hole.
3. The rapid sand casting apparatus according to claim 1, characterized by, The upper mold frame is provided with a driving cylinder, the output end of the driving cylinder penetrates the upper mold frame and is connected with the upper mold to drive the upper mold to overturn in the upper mold frame.
4. The rapid sand casting apparatus according to claim 3, characterized by, The side wall of the upper mold is further provided with a limiting groove, and the upper mold frame is provided with a limiting cylinder, the output end of the limiting cylinder penetrates the upper mold frame and is provided with a limiting pipe matched with the shape of the limiting groove.
5. The rapid sand casting apparatus according to claim 4, wherein, The limiting pipe and the limiting groove are one-to-one matched to extend into the limiting groove after the upper mold overturns and keep the upper mold horizontal.
6. The rapid sand casting apparatus according to claim 5, wherein The upper mold is internally provided with an upper cooling channel, the inlet and outlet of the upper cooling channel are located at the groove bottom of the limiting groove, the limiting pipe is a pipe body with openings only at the outer end and the side wall, the opening of the outer end of the pipe body is connected with the inlet or outlet of the cooling channel, and the opening of the side wall of the pipe body is connected with the water inlet pipe and the water outlet pipe.
7. The rapid sand casting apparatus according to claim 4, wherein The inlet and outlet of the upper cooling channel are located at the front and back of the upper mold.
8. The rapid sand casting apparatus according to claim 1, wherein, The driving cylinder is located on the left side of the upper mold.
9. The rapid sand cast molding apparatus according to claim 8, characterized by, The outer end of the pipe body is sleeved with a ring-shaped sealing washer, and the sealing washer is compressed on the groove bottom to form a seal when the pipe body abuts against the groove bottom.
10. The rapid sand casting apparatus according to claim 1, characterized by, The lower mold is internally provided with a lower cooling channel, and the inlet and outlet of the lower cooling channel are connected with the water inlet pipe and the water outlet pipe. The water inlet pipe is provided with an electric control valve. The lifting driving device comprises four lifting driving cylinders arranged in a rectangular array, and the four lifting driving cylinders are in linkage structure.