Horizontal ash removal mechanism for centrifugal machine casting mold

Abstract

The utility model discloses a horizontal deashing mechanism for a centrifugal machine casting mold, which comprises a long cylindrical shell and a dust collecting cover arranged at the front end of the shell, an inner pipe is horizontally arranged in the shell, a dust channel is reserved between the inner pipe and the shell, a steel wire flexible shaft is arranged in the inner pipe, and a dust collecting cover is arranged at the front end of the dust collecting cover. One end of the steel wire flexible shaft is fixedly connected with the steel wire grinding wheel, the other end of the steel wire flexible shaft is fixedly connected with a motor shaft, a soot blowing pipe is arranged at the bottom of the shell, and the front end of the soot blowing pipe extends to the bottom of the dust collecting cover. Compared with the prior art, by means of the design of the shell and the inner pipe, an original pipe opening type air suction opening is changed into the annular air suction opening, a dust channel is larger, negative pressure dust collection can be carried out on the periphery of the steel wire grinding wheel, and the dust collection effect is better; ash deposited at the bottom of the dust collecting cover can be raised through the ash blowing pipe, dust is sucked away in cooperation with the negative pressure dust channel, and the problem of dust accumulation at the bottom of the dust collecting cover is solved.

Description

Technical Field

[0001] The utility model relates to the stainless steel casting industry, in particular to a horizontal dust cleaning mechanism for centrifuge casting molds. Background Art

[0002] A centrifugal casting machine is a casting method that pours liquid metal into a rotating mold, where it fills and solidifies into a casting under the action of centrifugal force. After casting, a lot of steel slag and coating will remain in the mold, requiring cleaning. Due to the mold's large size and weight, and the large amount of ash and slag generated during the cleaning process, manual cleaning is often inconvenient. Therefore, the mold is usually hoisted to a cleaning workshop, where the front end of the cleaning mechanism is transported via a horizontal conveyor to clean the mold.

[0003] The existing cleaning mechanism primarily consists of a rotating shaft with a grinding wheel and a vacuum duct installed parallel to the shaft. A horizontal conveyor transports the grinding wheel and vacuum duct together into the mold, where the grinding wheel polishes the coating on the inner wall of the mold cylinder, while the vacuum duct collects the ash and steel slag. The existing cleaning mechanism has the following shortcomings: First, the vacuum duct is designed separately, requiring the horizontal conveyor to install and position it separately; Second, although a dust hood is designed at the front end of the existing cleaning mechanism to collect the ash, the large ash and steel slag produced by cleaning are heavy and easily deposited at the bottom of the dust hood, making it difficult to remove. Therefore, improvements to the existing cleaning mechanism are urgently needed. Utility Model Content

[0004] The purpose of the utility model is to provide a horizontal dust cleaning mechanism for centrifuge castings which solves the above-mentioned problem.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a horizontal dust cleaning mechanism for centrifuge casting, comprising a long cylindrical shell, a dust collecting hood provided at the front end of the shell, an inner tube horizontally provided in the shell, a dust channel left between the inner tube and the shell, a wire grinding wheel installed at the front end of the inner tube, the wire grinding wheel is located in the dust collecting hood, a wire flexible shaft is provided in the inner tube, one end of the wire flexible shaft is fixedly connected to the wire grinding wheel, and the other end is fixedly connected to the motor shaft, a soot blowing pipe is provided at the bottom of the shell, the front end of the soot blowing pipe extends to the bottom of the dust collecting hood, and the bottom of the dust collecting hood is provided with a soot blowing hole connected to the inside of the soot blowing pipe.

[0006] Preferably, the dust collecting cover is semicircular and has a side opening structure, and the wire grinding wheel is partially exposed outside the opening.

[0007] Preferably, the front end of the dust channel is connected to the interior of the dust collection hood, and the rear end is connected to the negative pressure dust collector through a ventilation pipe.

[0008] Preferably, a grinding wheel mounting seat is provided at the front end of the inner tube, the grinding wheel mounting seat is fixed in the inner tube, and the grinding wheel mounting seat is rotatably connected to the rotating shaft of the wire grinding wheel through a ball bearing.

[0009] Preferably, a motor coupling is fixedly provided at the rear end of the inner tube, and the flexible steel wire shaft is transmission-connected to the motor via the motor coupling.

[0010] Preferably, the sootblowing pipe is a copper pipe or a plastic pipe.

[0011] Preferably, a support frame is provided between the inner tube and the shell, and the support frame is located at the front end of the inner tube.

[0012] Preferably, the support frame consists of an inner ring, an outer ring and connecting rods, and there are 2-4 connecting rods that are evenly arranged between the inner ring and the outer ring.

[0013] Preferably, the shell and the inner tube are both carbon steel pipes.

[0014] Compared with the existing technology, the advantages of this utility model are: through the design of the shell and inner tube, the original nozzle-type air intake is transformed into an annular air intake, which not only enlarges the dust passage, but also can achieve negative pressure dust collection from all sides of the wire grinding wheel, resulting in better dust collection effect. In addition, a dust blowing pipe is added to the bottom of the shell. The dust blowing pipe can lift the dust accumulated at the bottom of the dust collection hood and cooperate with the negative pressure dust passage to suck away the dust, thus solving the problem of dust accumulation at the bottom of the dust collection hood. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the dust collection hood of the utility model;

[0017] Figure 3 This is a structural diagram of the support frame of the utility model.

[0018] In the figure: 1. Shell; 2. Inner tube; 3. Dust duct; 4. Dust collection hood; 5. Wire grinding wheel; 6. Soot blowing pipe; 7. Wire flexible shaft; 8. Grinding wheel mounting seat; 9. Motor coupling; 10. Support frame; 11. Soot blowing hole. DETAILED DESCRIPTION

[0019] Example: The utility model will be further described below. A horizontal dust cleaning mechanism for centrifuge casting is shown in FIG. Figures 1 to 3, including a long cylindrical shell 1, a dust collection hood 4 is provided at the front end of the shell 1, an inner tube 2 is horizontally provided in the shell 1, the shell 1 and the inner tube 2 are both carbon steel pipes, the inner tube 2 is designed to protect the steel wire flexible shaft 7 and the bearing to avoid wear, a dust channel 3 is left between the inner tube 2 and the shell 1, the front end of the dust channel 3 is connected with the inside of the dust collection hood 4, and the rear end is connected with the negative pressure dust collector through a ventilation pipe. The utility model transforms the original pipe-mouth type air suction port into an annular air suction port through the design of the shell 1 and the inner tube 2. Not only is the dust channel 3 larger, but negative pressure dust can also be sucked from all around the wire grinding wheel 5, and the dust suction effect is better.

[0020] A wire grinding wheel 5 is installed at the front end of the inner tube 2, and the wire grinding wheel 5 is located in the dust collection cover 4. The wire grinding wheel 5 is used to grind and clean the paint on the inner wall of the mold cylinder of the casting. A wire flexible shaft 7 is provided in the inner tube 2. One end of the wire flexible shaft 7 is fixedly connected to the wire grinding wheel 5, and the other end is fixedly connected to the motor shaft. The transmission is carried out through the wire flexible shaft 7 to drive the wire grinding wheel 5 to rotate for grinding and cleaning operations. The wire flexible shaft 7 is light in weight and can replace the solid rotating shaft to reduce the bearing capacity requirements of the inner cylinder.

[0021] The utility model adds a soot blowing pipe 6 at the bottom of the shell 1. The soot blowing pipe 6 is a copper tube or a plastic tube. The front end of the soot blowing pipe 6 extends to the bottom of the dust collecting hood 4. The bottom of the dust collecting hood 4 is provided with a soot blowing hole 11 connected to the inside of the soot blowing pipe 6. The soot blowing pipe 6 can lift the ash deposited at the bottom of the dust collecting hood 4 so that the dust channel 3 can suck it away.

[0022] The dust collection hood 4 is semicircular and has a side opening structure. The wire grinding wheel 5 is partially exposed outside the opening to facilitate grinding operations. During grinding, the mold cylinder is hoisted between two sets of driving rollers, and the driving rollers drive the mold cylinder to rotate. The front end of the horizontal cleaning mechanism is extended into the mold cylinder through the horizontal conveyor, so that the wire grinding wheel 5 is close to the inner wall of the mold cylinder. As the driving rollers rotate, the horizontal conveyor pushes the wire grinding wheel 5 back and forth, thereby achieving grinding and cleaning of the inner wall of the mold cylinder.

[0023] A grinding wheel mounting seat 8 is provided at the front end of the inner tube 2. The grinding wheel mounting seat 8 is fixed in the inner tube 2 and is rotatably connected to the rotating shaft of the wire grinding wheel 5 via a ball bearing. A motor coupling 9 is fixed to the rear end of the inner tube 2, and the wire flexible shaft 7 is transmission-connected to the motor via the motor coupling 9.

[0024] Because the dust cleaning mechanism is relatively long, at 3-5 meters, a support frame 10 is provided between the inner tube 2 and the shell 1. The support frame 10 is located at the front end of the inner tube 2 and supports and secures the front end of the inner tube 2. The support frame 10 can be welded directly between the inner tube 2 and the shell 1 using steel bars. However, due to the high grinding force and the excessive length of the mechanism, the steel bars are easily broken at the weld. Therefore, as a preferred solution, a ring-shaped bracket is used at the front end of the inner tube 2 to secure the front end of the inner tube 2. Specifically, the support frame 10 consists of an inner ring, an outer ring, and connecting rods. There are 2-4 connecting rods, evenly spaced between the inner and outer rings.

[0025] The above is a detailed introduction to a horizontal dust cleaning mechanism for centrifuge casting provided by the present invention. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation method and application scope. Changes and improvements to the present invention will be possible without exceeding the concept and scope specified in the appended claims. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A horizontal dust cleaning mechanism for centrifuge casting, characterized by: It includes a long cylindrical shell, a dust collecting hood is provided at the front end of the shell, an inner tube is horizontally provided in the shell, a dust channel is left between the inner tube and the shell, a wire grinding wheel is installed at the front end of the inner tube, the wire grinding wheel is located in the dust collecting hood, a wire flexible shaft is provided in the inner tube, one end of the wire flexible shaft is fixedly connected to the wire grinding wheel, and the other end is fixedly connected to the motor shaft, a soot blowing pipe is provided at the bottom of the shell, the front end of the soot blowing pipe extends to the bottom of the dust collecting hood, and the bottom of the dust collecting hood is provided with a soot blowing hole connected to the inside of the soot blowing pipe.

2. The horizontal dust cleaning mechanism for centrifuge casting according to claim 1, characterized in that: The dust collecting cover is semicircular and has a side opening structure, and the wire grinding wheel is partially exposed outside the opening.

3. The horizontal dust cleaning mechanism for centrifuge casting according to claim 1, characterized in that: The front end of the dust channel is communicated with the interior of the dust collecting hood, and the rear end is communicated with the negative pressure dust collector through a ventilation pipe.

4. The horizontal dust cleaning mechanism for centrifuge casting according to claim 1, characterized in that: A grinding wheel mounting seat is provided at the front end of the inner tube. The grinding wheel mounting seat is fixed in the inner tube and is rotatably connected to the rotating shaft of the wire grinding wheel through a ball bearing.

5. The horizontal dust cleaning mechanism for centrifuge casting according to claim 1, characterized in that: A motor coupling is fixedly provided at the rear end of the inner tube, and the steel wire flexible shaft is transmission-connected to the motor via the motor coupling.

6. The horizontal dust cleaning mechanism for centrifuge casting according to claim 1, characterized in that: The soot blowing pipe is a copper pipe or a plastic pipe.

7. The horizontal dust cleaning mechanism for centrifuge casting according to claim 1, characterized in that: A support frame is provided between the inner tube and the shell, and the support frame is located at the front end of the inner tube.

8. The horizontal dust cleaning mechanism for centrifuge casting mold according to claim 7, characterized in that: The support frame consists of an inner ring, an outer ring and connecting rods. There are 2-4 connecting rods, which are evenly arranged between the inner ring and the outer ring.

9. The horizontal dust cleaning mechanism for centrifuge casting according to claim 1, characterized in that: The shell and the inner pipe are both carbon steel pipes.

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