Pouring device for centrifugal investment casting

Abstract

A pouring device for centrifugal investment casting effectively solves the problems of low working efficiency and poor pouring quality and comprises a base, a pouring container is placed on the base, a lifting handle is hinged to the pouring container, a lifting lug located above the pouring container is fixed to the lifting handle, and a plurality of blocking columns are fixed to the left end of the pouring container. The base is rotationally connected with a lead screw arranged in the left-right direction, the lead screw is in threaded connection with a base, a lifting frame is arranged on the base, a rotating shaft is rotationally connected into the frame, a swing rod located on the outer side of the frame is fixed to the rotating shaft, a first semi-arc block corresponding to the blocking column is fixed to the swing rod, and a second semi-arc block is hinged to the first semi-arc block. A boss is arranged on the first semi-arc block, a plurality of through holes are formed in the boss, and fixing pins matched with the through holes are installed on the second semi-arc block.

Description

Technical Field

[0001] The utility model belongs to the technical field of centrifugal casting, and particularly relates to a pouring device for investment centrifugal casting. Background Art

[0002] Investment centrifugal casting, also known as lost-wax casting, is a method in which a shell mold is formed by applying refractory materials on an easy-to-melt material such as white paraffin wax and stearic acid, the pattern is melted out, and a casting is obtained after injecting liquid metal and cooling. During the pouring process of investment centrifugal casting, most of them require manual assistance for pouring, with low automation, poor pouring quality, and potential safety hazards. Summary of the Utility Model

[0003] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the utility model is to provide a pouring device for investment centrifugal casting, which effectively solves the problems of low work efficiency and poor pouring quality.

[0004] The technical solution for solving the technical problem is as follows: It includes a base, a pouring container is placed on the base, the pouring container is hinged with a handle, a lifting lug located above the pouring container is fixed on the handle, a plurality of stop columns are fixed at the left end of the pouring container, a lead screw arranged in the left-right direction is rotatably connected to the base, the lead screw is threadedly connected with a base, a lifting frame is arranged on the base, a rotating shaft is rotatably connected in the frame, a swing rod located outside the frame is fixed on the rotating shaft, a first semi-circular arc block corresponding to the stop columns is fixed on the swing rod, a second semi-circular arc block is hinged on the first semi-circular arc block, a convex platform is arranged on the first semi-circular arc block, a plurality of through holes are arranged on the convex platform, and a fixing pin matched with the through holes is installed on the second semi-circular arc block.

[0005] Preferably, a plurality of hydraulic cylinders are fixed on the base, and the telescopic ends of the hydraulic cylinders are fixedly connected with the bottom of the frame.

[0006] Preferably, the swing rod is L-shaped.

[0007] Preferably, an inclined surface is arranged in the pouring container.

[0008] Preferably, a limiting disc is fixed on the stop column.

[0009] Preferably, a plurality of square tubes are fixed at the lower end of the pouring container.

[0010] Preferably, guide rails are fixed on the base on the front and rear sides of the lead screw, and the base slides in the left-right direction along the guide rails.

[0011] Preferably, counterweights are installed on the base on the left and right sides of the pouring container.

[0012] Preferably, a motor is installed in the frame, and the motor is coaxially and fixedly connected with the rotating shaft through a speed reducer.

[0013] The utility model has the following advantages compared with traditional equipment: 1) The structure is ingenious, with a high degree of automation, safe and stable. The swing rod is driven by a motor, and the swing rod drives the pouring container to turn over, which can be turned to a suitable angle, with good flexibility and convenient pouring; 2) Combining the first semi-circular block, the second semi-circular block and the fixed pin structure can fix or release the stop post, which is convenient for replacing the pouring container and improves work efficiency; 3) Through the lead screw and nut structure, the left and right positions of the first semi-circular block and the second semi-circular block can be adjusted, with flexible operation and convenient clamping and fixing of the stop post. Brief Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the three-dimensional structure of the pouring container in the utility model.

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the swing rod in the utility model.

[0017] Reference numerals: 1, base; 2, pouring container; 3, handle; 4, lifting lug; 5, stop post; 6, lead screw; 7, base; 8, frame; 9, rotating shaft; 10, swing rod; 11, first semi-circular block; 12, second semi-circular block; 13, through hole; 14, fixed pin; 15, hydraulic cylinder; 16, limit disc; 17, square tube; 18, guide rail; 19, counterweight; 20, motor. Detailed Description of the Preferred Embodiments

[0018] The following further details the specific embodiments of the utility model with reference to the accompanying drawings.

[0019] As shown by Figures 1 to 3 , a pouring device for investment centrifugal casting includes a base 1, a pouring container 2 is placed on the base 1, a handle 3 is hinged to the pouring container 2, a lifting lug 4 located above the pouring container 2 is fixed on the handle 3, a plurality of stop posts 5 are fixed to the left end of the pouring container 2, a lead screw 6 arranged in the left-right direction is rotatably connected to the base 1, a base 7 is threadedly connected to the lead screw 6, a lifting frame 8 is provided on the base 7, a rotating shaft 9 is rotatably connected inside the frame 8, a swing rod 10 located outside the frame 8 is fixed to the rotating shaft 9, a first semi-circular block 11 corresponding to the stop post 5 is fixed to the swing rod 10, a second semi-circular block 12 is hinged to the first semi-circular block 11, a boss is provided on the first semi-circular block 11, and a plurality of through holes 13 are provided on the boss. A fixed pin 14 cooperating with the through hole 13 is installed on the second semi-circular block 12.

[0020] A plurality of hydraulic cylinders 15 are fixed to the base 7, and the telescopic ends of the hydraulic cylinders 15 are fixedly connected to the bottom of the frame 8.

[0021] The swing rod 10 is L-shaped.

[0022] In order to facilitate the outflow of the pouring liquid in the pouring container 2, an inclined surface is provided in the pouring container 2.

[0023] In order to ensure the stability of the flipping movement of the pouring container 2, a limiting disk 16 is fixed to the retaining post 5.

[0024] In order to facilitate the forklift to transport the pouring container 2, a plurality of square tubes 17 are fixed to the lower end of the pouring container 2.

[0025] In order to ensure the stability of the left and right movement of the base 7, guide rails 18 are fixed to the base 1 on the front and rear sides of the lead screw 6, and the base 7 slides in the left and right directions along the guide rails 18.

[0026] In order to ensure the overall stability and safety of the base 1, counterweight blocks 19 are installed on the base 1 on the left and right sides of the pouring container 2.

[0027] A motor 20 is installed in the frame 8, and the motor 20 is coaxially and fixedly connected to the rotating shaft 9 through a speed reducer.

[0028] When the utility model is in use, the base 1 is moved to a suitable pouring position, the second semi-circular block 12 is in an open state, the melting furnace equipment pours the molten pouring liquid into the pouring container 2, the pouring container 2 is lifted by connecting the lifting lug 4 through a lifting device and placed on the base 1. It is also possible to insert the forklift into the square tube 17 at the lower end of the pouring container 2, and place the pouring container 2 on the base 1 through the forklift, so that the retaining post 5 is located inside the first semi-circular block 11, flip the second semi-circular block 12 so that the second semi-circular block 12 covers the retaining post 5, and fix the first semi-circular block 11 and the second semi-circular block 12 together through the fixing pin 14. The first semi-circular block 11 and the second semi-circular block 12 clamp and fix the retaining post 5, and the limiting disk 16 is located outside the first semi-circular block 11 and the second semi-circular block 12 to prevent the first semi-circular block 11 and the second semi-circular block 12 from detaching from the retaining post 5, improving safety;

[0029] Start the hydraulic cylinder 15. The hydraulic cylinder 15 drives the frame 8, the swing rod 10 and the pouring container 2 to move upward to an appropriate height. Then, turn off the hydraulic cylinder 15 and start the motor 20. The motor 20 drives the rotating shaft 9 to rotate through a speed reducer to ensure an appropriate rotation speed of the rotating shaft 9. The rotating shaft 9 drives the swing rod 10 to swing, and the swing rod 10 drives the pouring container 2 to turn over for pouring. An inclined surface is provided in the pouring container 2, and the pouring liquid flows out of the pouring container 2 under the action of the inclined surface, which can prevent the residual pouring liquid in the pouring container 2 and has a good pouring effect. After pouring, reverse the motor 20, the pouring container 2 turns over and resets, and under the action of the hydraulic cylinder 15, it resets downward. Open the fixing pin 14, and the second semi-circular block 12 is in an open state, then the pouring container 2 can be replaced. Cycle in turn, with high automation and improved pouring efficiency;

[0030] In addition, rotate the lead screw 6. The lead screw 6 drives the base 7 to move left and right. The base 7 drives the frame 8 and the swing rod 10 to move left and right, which can adjust the left and right positions of the first semi-circular block 11 and the second semi-circular block 12 relative to the stop post 5, facilitating the first semi-circular block 11 and the second semi-circular block 12 to tightly clamp the stop post 5 with good flexibility and simple operation.

[0031] This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the present invention. Any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the technical solution of the present invention.

Claims

1. A pouring device for investment centrifugal casting, characterized in that: The invention comprises a base (1), a pouring container (2) is placed on the base (1), a handle (3) is hingedly connected to the pouring container (2), a lifting ear (4) located above the pouring container (2) is fixed to the handle (3), a plurality of retaining columns (5) are fixed to the left end of the pouring container (2), the base (1) is rotatably connected to a lead screw (6) arranged in the left and right directions, the lead screw (6) is threadedly connected to a base (7), a lifting frame (8) is provided on the base (7), a rotating shaft (9) is rotatably connected inside the frame (8), a swing rod (10) located outside the frame (8) is fixed to the rotating shaft (9), a first semicircular arc block (11) corresponding to the retaining column (5) is fixed to the swing rod (10), a second semicircular arc block (12) is hingedly connected to the first semicircular arc block (11), a boss is provided on the first semicircular arc block (11), a plurality of through holes (13) are provided on the boss, and a fixing pin (14) matched with the through hole (13) is installed on the second semicircular arc block (12).

2. A pouring device for investment centrifugal casting according to claim 1, characterized in that: A plurality of hydraulic cylinders (15) are fixed on the base (7), and telescopic ends of the hydraulic cylinders (15) are fixedly connected to the bottom of the frame (8).

3. A pouring device for investment centrifugal casting according to claim 1, characterized in that: The swing rod (10) is L-shaped.

4. A pouring device for investment centrifugal casting according to claim 1, characterized in that: The pouring container (2) is provided with an inclined surface.

5. The pouring device for investment centrifugal casting according to claim 1, characterized in that: A plurality of square tubes (17) are fixed to the lower end of the pouring container (2).

6. A pouring device for investment centrifugal casting according to claim 1, characterized in that: The base (1) is fixed with guide rails (18) located at the front and rear sides of the lead screw (6), and the base (7) slides in the left and right directions along the guide rails (18).

7. A pouring device for investment centrifugal casting according to claim 1, characterized in that: The base (1) is provided with counterweight blocks (19) located on the left and right sides of the pouring container (2).

8. A pouring device for investment centrifugal casting according to claim 1, characterized in that: A motor (20) is installed in the frame (8), and the motor (20) is coaxially fixedly connected to the rotating shaft (9) via a reducer.

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