Multifunctional large workpiece cleaning device and method

Abstract

The invention provides a multifunctional large workpiece cleaning device and method. The device is composed of a framework supporting platform, an acid liquor box, an alkali liquor box, a clear water box and a buffer box which are installed on a base, a tank body is installed in the framework platform, and a top cover is arranged on the tank body; a spraying pipeline and a gas washing pipe are mounted on the inner surface of the tank body, a lifting pump and a filter are connected to the inlet end of the spraying pipeline, a rotary spray head is arranged on the spraying pipeline, a limiting frame is mounted in the tank body and arranged on the outer side of the spraying pipeline, a hoisting workpiece frame is hoisted and placed in the limiting frame, and a cleaning workpiece is placed in the hoisting workpiece frame; the spraying pipeline comprises a bottom surface spraying pipeline, a vertical surface spraying pipeline and a top surface spraying pipeline which are communicated with one another, the acid liquor tank, the alkali liquor tank, the clear water tank, the buffer tank and the gas washing pipe are respectively connected into the cleaning spraying pipeline through quick connectors, and acid washing, alkali washing, clear water washing and gas washing treatment is carried out on the surface of a large workpiece. Manpower and material resources are saved, and different types of cleaning can be completed without repeated carrying.

Description

Technical Field

[0001] The invention belongs to the field of mechanical industrial cleaning equipment, and in particular relates to a multifunctional large-scale workpiece cleaning device and method. Background Art

[0002] At present, cleaning equipment is a mechanical equipment that can be used to replace manual labor to clean stains and stains such as oil, wax, dust, and oxide layer on the surface of workpieces. Spray cleaning and ultrasonic cleaning are widely used in the field of mechanical industrial cleaning. The cleaning equipment currently seen on the market includes: ultrasonic cleaning, high-pressure spray cleaning, laser cleaning, steam cleaning, dry ice cleaning and composite cleaning equipment, etc.; cleaning equipment is divided into: pet bottle cleaning equipment, stainless steel complete set cleaning equipment, plastic cleaning equipment, new cleaning equipment, small cleaning equipment, medium-sized cleaning equipment, etc. It can be seen that the cleaning equipment is clearly classified, and large or small cleaning equipment and complete sets of equipment are also classified, with a high degree of automation, from crushing, conveying, cleaning, rinsing, dehydration, and drying integration.

[0003] In the mechanical industry, the metal equipment pickling, rust removal, passivation, degreasing and coating, as well as the metal surface treatment before finishing, the cleaning equipment has a relatively single function. It can be used for pickling of surface treatment, but generally cannot be used for alkali washing or other washing. It has water washing function but cannot be used for air washing. There is a lack of integrated equipment with various specialized cleaning functions, and it is not suitable for the surface treatment of large workpieces. The cleaning of large workpieces needs to be transported to various different cleaning equipment, which wastes manpower and material resources. This is a typical problem at present. For this reason, technicians have tried to study equipment that integrates various specialized cleaning functions for the surface treatment of large workpieces. Summary of the invention

[0004] The problem to be solved by the present invention is that the existing metal surface cleaning equipment has relatively single functions and poor cleaning effect, especially for various cleaning treatments on the surface of large workpieces, and the problem of heavy transportation is required due to the limitations of the cleaning equipment. A multifunctional large workpiece cleaning device and method are provided. The workpiece frame is hoisted into a square tank, and the spray pipeline is respectively connected to an acid tank, an alkali tank, a clean water tank, a buffer tank, and an air washing pipe. The surface of the large workpiece is acid-washed, alkali-washed, cleaned with water, and air-washed. It integrates multifunctional cleaning, is convenient for hoisting workpieces, saves manpower and material resources, and can complete different types of cleaning without multiple transportations with good cleaning effect.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a multifunctional large-scale workpiece cleaning device, the device is composed of a frame and a platform installed on a base, the frame supports the platform, an acid tank, an alkali tank, a clean water tank, and a buffer tank are installed on the base, a tank body is installed in the frame and the platform, and a top cover is provided on the tank body;

[0006] A spray pipeline and an air washing pipe are installed inside the tank body, a lifting pump and a filter are connected to the inlet end of the spray pipeline, a rotating nozzle is arranged on the spray pipeline, a limit frame is installed in the tank body and arranged outside the spray pipeline, a railing is arranged on the limit frame, a hoisting workpiece frame is hoisted and placed in the limit frame, the limit frame separates the hoisting workpiece frame from the spray pipeline, and a cleaning workpiece is placed in the hoisting workpiece frame;

[0007] The top cover includes a plate frame and a cover plate, a limit block is arranged on the inner surface of the top cover and is inserted into the end surface of the tank wall plate, and a top surface spray pipeline is arranged on the inner surface of the top cover;

[0008] Among them, the spray pipeline includes a bottom spray pipeline, a vertical spray pipeline, and a top spray pipeline and they are connected. The inlet end of the spray pipeline is connected to a quick-connect joint. The acid tank, alkali tank, clean water tank, buffer tank, and air washing pipe are respectively connected to the cleaning spray pipeline through quick-connect joints.

[0009] Preferably, the workpiece hoisting frame comprises a frame and a hanger, and a stop rod is arranged on the frame.

[0010] Preferably, the air washing pipe is connected to a compressed air pipe.

[0011] Preferably, the air washing pipeline is connected to a valve and a pressure gauge.

[0012] Preferably, a ladder is installed between the base and the platform.

[0013] Preferably, the tank body is a square tank, the upper end of the tank body is a wall panel tetrahedron and the lower end is a wall panel cone, and the corresponding square tank has a square top cover; the tank body is a round tank, the upper end of the tank body is a cylinder and the lower end is a cone, and the corresponding tank body has a dome cover.

[0014] A multifunctional large workpiece cleaning method, the steps are as follows:

[0015] 1) Preparation: Install the spray pipeline inside the tank body. The spray pipeline is equipped with bottom spray pipeline, vertical spray pipeline, top spray pipeline, and air washing pipeline and connected. Install the lifting pump, valve, and filter on the spray pipeline. Install the limit frame outside the spray pipeline. The hoisting workpiece frame is hoisted into the limit frame. The large workpiece is placed in the hoisting workpiece frame. The hoisting workpiece frame is placed in the tank body. The tank body is covered with a top cover. The acid tank, alkali tank, clean water tank, and buffer tank are respectively connected to the spray pipeline through quick-connect joints to make the spray pipeline fully connected;

[0016] 2) Cleaning treatment: The acid tank sends acid into the spray pipeline through the lifting pump to start spraying and pickling. After completion, the solution returns to the recovery tank; the clean water tank sends clean water into the spray pipeline through the lifting pump for clean water washing, and the solution returns to the recovery tank; the alkali liquid tank sends alkali liquid into the spray pipeline through the lifting pump to start spraying and alkali washing. After completion, the clean water tank sends clean water into the spray pipeline through the lifting pump for clean water washing, and the solution returns to the buffer tank; the compressed air pipe is connected to the spray pipeline through the quick-connect joint, and the compressed air enters the spray pipeline to start air washing. The workpiece is cleaned in the hoisting workpiece frame;

[0017] 3) Cleaning completed: The surface of the large workpiece is cleaned by acid cleaning, alkali cleaning, water cleaning, air cleaning and other processes. The quick-connect joints are removed, the tank top cover is lifted, and multiple cleaning processes are completed at one time in the multi-functional cleaning device. The hoisting workpiece frame and the workpiece are lifted out together, and then the workpiece that has completed the cleaning process is taken out.

[0018] The advantages and positive effects of the present invention are:

[0019] 1. The present invention is a hoisting multifunctional cleaning device. A spray pipeline is arranged in the tank body, and the device is respectively connected to the acid tank, the alkali tank, the clean water tank, and the buffer tank through quick connectors. The surface of the large workpiece is acid-washed, alkali-washed, clean water-washed, and air-washed. The large workpiece cleaning device with multifunctional cleaning is convenient for hoisting the workpiece, and there is no need to transport it to various cleaning equipment many times. The device has a compact and reasonable structure, saves manpower and material resources, and has a good cleaning effect.

[0020] 2. The hoisting multifunctional cleaning device of the present invention adopts a limit frame installed in the tank body and arranged on the outside of the spray pipeline. The hoisting workpiece frame and the cleaning workpiece are hoisted and placed in the limit frame. The limit frame separates the hoisting workpiece frame from the spray pipeline. Due to the setting of the limit frame, when the hoisting workpiece frame is hoisted in, water leakage and air leakage caused by collision with the spray pipeline is avoided, thereby improving safety and reliability.

[0021] 3. The present invention is a hoisting multifunctional cleaning device. Spray pipelines are arranged around the tank body and on the top cover and bottom. The bottom spray pipeline, vertical spray pipeline and top spray pipeline are connected. A top spray pipeline is arranged on the inner surface of the top cover, and a nozzle is arranged on the spray pipeline. The inlet end of the spray pipeline is connected to a quick connector. When the workpiece needs acid washing, alkali washing, clean water washing and air washing, it only needs to send acid, alkali solution, clean water and air washing into the spray pipeline respectively through the lifting pump, so as to carry out various cleaning of the workpiece, thereby realizing multifunctional cleaning of the same set of equipment and multiple washing by one machine.

[0022] 4. The hoisting multifunctional cleaning device of the present invention adopts a tank body with a limit block set on the inner surface of the top cover and a top surface spray pipeline arranged. The limit block is just inserted into the end surface of the square tank wall panel, which on the one hand prevents the spray pipeline from colliding with the spray pipeline, and on the other hand ensures that the top cover and the end surface of the square tank wall panel are fitted together to prevent leakage of solution during spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a multifunctional large-scale workpiece cleaning device;

[0024] Figure 2 It is a schematic diagram of the spray pipeline structure of a multifunctional large-scale workpiece cleaning device;

[0025] Figure 3 The present invention is a schematic diagram of the structure of a square tank top cover of a multifunctional large-scale workpiece cleaning device.

[0026] 1-base, 2-skeleton, 3-platform, 4-tank, 5-limit frame, 6-hoisting workpiece frame, 7-top cover, 8-spray pipeline, 9-ladder, 10-clean water tank, 11-acid tank, 12-alkali tank, 13-buffer tank, 14-bottom spray pipeline, 15-vertical spray pipeline, 16-top spray pipeline, 17-air washing pipeline, 18-sprinkler, 19-valve, 20-lifting pump, 21-cover, 22-plate frame, 23-limit block. DETAILED DESCRIPTION

[0027] In order to better understand the present invention, the present invention is further described below in conjunction with specific embodiments.

[0028] See also Figure 1 , 2 3. The present invention provides a hoisting multifunctional cleaning device. The device is composed of a frame 2 and a platform 3 installed on a base 1. The frame 2 is a steel profile, and the platform 3 is a steel plate profile. The frame 2 bears and supports the platform 3. An acid tank 11, an alkali tank 12, a clean water tank 10, a buffer tank 13, and a recovery tank are installed on one side of the base 1. A tank body 4 is installed in the frame 2 and the platform 3. The tank body 4 can be a square tank made of steel plates, 4.2 meters long, 4 meters wide, and 4.5 meters high, that is, the upper end of the tank body 4 is a tetrahedron formed by wall panels, and the lower end is a conical body formed by wall panels, and the conical body is convenient for liquid to flow downward; or a steel round tank is used, that is, the upper end of the tank body 4 is a cylinder, and the lower end is a cone. A top cover 7 is installed on the tank body 4. The top cover 7 is a cover plate 21 installed on the plate frame 22. The top cover 7 is movable and can be quickly hoisted and disassembled. Limiting blocks 23 are installed around the inner surface of the top cover 7 and are stuck in the end surface of the tank body 4 wall panel. When a square tank is used, the square tank is equipped with a square cover plate 21, and when a round tank is used, the round tank is equipped with a round cover plate 21. A ladder 9 is installed between the base 1 and the platform 3.

[0029] The spray pipeline 8 is installed on the inner surface of the tank body 4. The spray pipeline 8 is composed of a bottom spray pipeline 14, a vertical spray pipeline 15, a top spray pipeline 16, and an air washing pipeline 17, which are connected. The inlet end of the spray pipeline 8 is connected to a lift pump 20, a valve 19, and a filter. Among them, the top spray pipeline 16 is installed on the inner surface of the top cover 7. The air washing pipeline 17 is connected to a compressed air pipe and a pressure gauge. The spray head 18 is installed on the spray pipeline 8. The aperture of the spray head 18 is φ1.2-φ1.6, and the water spray shape is fan-shaped, cone-shaped, and linear, which can be used in combination. A limit frame 5 is installed in the tank body 4, and the limit frame 5 is installed on the outside of the spray pipeline 8. A load-bearing lifting workpiece frame 6 is hoisted into and placed in the limit frame 5. A limit rod is made on the limit frame 5. The limit frame 5 separates the lifting workpiece frame 6 from the spray pipeline 8, so that the lifting workpiece frame 6 can avoid colliding with the spray pipeline 8 during the process of being hoisted into the tank body 4, and avoid air leakage and water leakage in the spray pipeline 8. The cleaning workpiece is placed in the lifting workpiece frame 6. Since the cleaning work belongs to a large workpiece, it needs to be placed in the lifting workpiece frame 6 and hoisted into the tank body 4. The lifting workpiece frame 6 is used to bear its own weight and the gravity of the workpiece, and can withstand a certain impact load. The lifting workpiece frame 6 is made into a hanger installed on the frame, and the hanger is convenient for crane hanging. A gear lever is set on the frame to facilitate spraying by the spray pipeline 8.

[0030] A multifunctional large workpiece cleaning method is provided. A spray pipeline 8 is installed on the inner surface of a tank body 4. The spray pipeline 8 is equipped with a bottom spray pipeline 14, a vertical spray pipeline 15, a top spray pipeline 16, and an air washing pipeline 17, which are connected. A lifting pump 20, a valve 19, and a filter are installed on the spray pipeline 8. A limit frame 5 is installed outside the spray pipeline 8. A hoisting workpiece frame 6 is hoisted into the limit frame 5. The large workpiece is placed in the hoisting workpiece frame 6. The hoisting workpiece frame 6 is loaded into the tank body 4. The tank body 4 is covered with a top cover 7. An acid tank 11, an alkali tank 12, a clean water tank 10, and a buffer tank 13 are respectively connected to the spray pipeline 8 through quick-connect joints, so that the spray pipeline 8 is fully connected.

[0031] The acid tank 11 sends the acid into the spray pipeline 8 through the lifting pump 20 to start spraying and pickling, and when it is finished, the solution returns to the receiving box; the clean water tank 10 sends clean water into the spray pipeline 8 through the lifting pump 20 for clean water washing, and the solution returns to the buffer tank 13; the alkali solution tank 12 sends alkali solution into the spray pipeline 8 through the lifting pump 20 to start spraying and alkali washing, and when it is finished, the clean water tank 10 sends clean water into the spray pipeline 8 through the lifting pump 20 for clean water washing, and the solution returns to the buffer tank 13; the compressed air pipe is connected to the spray pipeline 8 through the quick connector, and the compressed air enters the spray pipeline 8 to start air washing, and the workpiece is cleaned and processed in the hoisting workpiece frame 6.

[0032] The surface of the large workpiece is cleaned by acid, alkali, water, and air washing, etc., and the quick-connect joint is disassembled, the tank body 4 and the top cover 7 are lifted, and the multi-step cleaning process is completed in the multi-functional cleaning device at one time, and the hoisting workpiece frame 6 and the workpiece are lifted out together, and then the cleaned workpiece is taken out. The staff can conduct on-site observation and sampling through the ladder 9 between the base 1 and the platform 3.

[0033] The embodiments of the present invention are described in detail above, but the contents described are only preferred embodiments of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of this patent.

Claims

1. A multifunctional large workpiece cleaning device, characterized in that: The device comprises a frame and a platform installed on a base, the frame supports the platform, an acid tank, an alkali tank, a clean water tank and a buffer tank are installed on the base, a tank body is installed in the frame and the platform, and a top cover is provided on the tank body; A spray pipeline and an air washing pipe are installed inside the tank body, a lifting pump and a filter are connected to the inlet end of the spray pipeline, a rotating nozzle is arranged on the spray pipeline, a limit frame is installed in the tank body and arranged outside the spray pipeline, a railing is arranged on the limit frame, a hoisting workpiece frame is hoisted and placed in the limit frame, the limit frame separates the hoisting workpiece frame from the spray pipeline, and a cleaning workpiece is placed in the hoisting workpiece frame; The top cover includes a plate frame and a cover plate, a limit block is arranged on the inner surface of the top cover and is inserted into the end surface of the tank wall plate, and a top surface spray pipeline is arranged on the inner surface of the top cover; Among them, the spray pipeline includes a bottom spray pipeline, a vertical spray pipeline, and a top spray pipeline and they are connected. The inlet end of the spray pipeline is connected to a quick-connect joint. The acid tank, alkali tank, clean water tank, buffer tank, and air washing pipe are respectively connected to the cleaning spray pipeline through quick-connect joints.

2. A multifunctional large workpiece cleaning device according to claim 1, characterized in that: The workpiece hoisting frame comprises a frame and a hanger, and a stop rod is arranged on the frame.

3. A multifunctional large workpiece cleaning device according to claim 1, characterized in that: The air washing pipe is connected to the compressed air pipe.

4. A multifunctional large workpiece cleaning device according to claim 1, characterized in that: The air washing pipeline is connected to a valve and a pressure gauge.

5. The multifunctional large workpiece cleaning device according to claim 1, characterized in that: A ladder is installed between the base and the platform to connect them.

6. A multifunctional large workpiece cleaning device according to claim 1, characterized in that: The tank body is a square tank, the upper end of the tank body is a wall panel tetrahedron and the lower end is a wall panel cone, and the corresponding square tank has a square top cover; the tank body is a round tank, the upper end of the tank body is a cylinder and the lower end is a cone, and the corresponding tank body has a dome cover.

7. A multifunctional large workpiece cleaning method, the steps of which are as follows: 1) Preparation: Install the spray pipeline inside the tank body. The spray pipeline is equipped with bottom spray pipeline, vertical spray pipeline, top spray pipeline, and air washing pipeline and connected. Install the lifting pump, valve, and filter on the spray pipeline. Install the limit frame outside the spray pipeline. The hoisting workpiece frame is hoisted into the limit frame. The large workpiece is placed in the hoisting workpiece frame. The hoisting workpiece frame is placed in the tank body. The tank body is covered with a top cover. The acid tank, alkali tank, clean water tank, and buffer tank are respectively connected to the spray pipeline through quick-connect joints to make the spray pipeline fully connected; 2) Cleaning treatment: The acid tank sends acid into the spray pipeline through the lifting pump to start spraying and pickling. After completion, the solution returns to the recovery tank; the clean water tank sends clean water into the spray pipeline through the lifting pump for clean water washing, and the solution returns to the recovery tank; the alkali liquid tank sends alkali liquid into the spray pipeline through the lifting pump to start spraying and alkali washing. After completion, the clean water tank sends clean water into the spray pipeline through the lifting pump for clean water washing, and the solution returns to the buffer tank; the compressed air pipe is connected to the spray pipeline through the quick-connect joint, and the compressed air enters the spray pipeline to start air washing. The workpiece is cleaned in the hoisting workpiece frame; 3) Cleaning completed: The surface of the large workpiece is cleaned by acid cleaning, alkali cleaning, water cleaning, air cleaning and other processes. The quick-connect joints are removed, the tank top cover is lifted, and multiple cleaning processes are completed at one time in the multi-functional cleaning device. The hoisting workpiece frame and the workpiece are lifted out together, and then the workpiece that has completed the cleaning process is taken out.

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