A device for cleaning and inspecting a wire screw sleeve for a flywheel housing and a method for using the same

Abstract

The present invention relates to a device for cleaning and detecting a wire screw sleeve of a flywheel housing and a method for using the device. The device for cleaning and detecting a wire screw sleeve of a flywheel housing is special in that it includes a water tank, a lower detection platform installed in the water tank, a side detection platform installed outside the water tank, and a water pump; the lower detection platform includes a workpiece supporting platform that can move up and down, and a detection and cleaning platform located below the workpiece supporting platform and fixed and stationary, the detection and cleaning platform is installed with a bottom detection sensor, a side detection sensor assembly, and a water spray nozzle, the water spray nozzle is supplied with water by a water pump, and a workpiece placement plate of the workpiece supporting platform is provided with a notch for the bottom detection sensor, the side detection sensor assembly, and the water spray nozzle to pass through; the side detection platform includes a side detection platform cylinder, the side detection platform cylinder pushes the side platform sensor mounting seat plate to move up and down, and the side platform sensor mounting seat plate is installed with a side detection sensor assembly. The method for using the device is also disclosed.

Description

Technical Field

[0001] The invention relates to a device for cleaning and detecting a wire screw sleeve of a flywheel housing and a use method thereof, belonging to the technical field of tooling for cleaning and detecting a flywheel housing. Background Art

[0002] In the production of engine flywheel housing, in order to meet the needs of assembly and maintenance, the screw holes on aluminum alloy parts are equipped with built-in stainless steel wire sleeves to protect the wire holes of aluminum alloy parts. At present, manual assembly is used to assemble stainless steel wire sleeves on aluminum alloy parts. Due to the complex structure of engine parts, the large number of wire holes, multiple specifications, and many changes in spatial positions, it is inevitable that the wire holes will be missing the wire sleeves. After the products leave the factory, the normal production order of the assembly line of the engine manufacturer is seriously affected. Therefore, before the engine flywheel housing leaves the factory, all the wire sleeves assembled with the wire holes must be inspected to prevent the wire holes from missing the wire sleeves. Therefore, designing a device for detecting whether the flywheel housing wire screw sleeve is fully installed has become a research issue in this field. Summary of the invention

[0003] Aiming at the problem that the wire screw sleeve on the flywheel housing needs to be inspected to see whether it is fully installed and the flywheel housing needs to be cleaned before it leaves the factory, the present invention provides a device for cleaning and inspecting the wire screw sleeve of the flywheel housing. The device can inspect whether the wire sleeve is installed in the screw hole on the flywheel housing and can clean the flywheel housing.

[0004] The technical solution of the present invention to solve the above technical problems is as follows: a device for cleaning and detecting wire screw sleeves of flywheel housing, which is special in that it includes a water tank, a lower detection platform installed in the water tank, a side detection platform installed outside the water tank and a water pump; the lower detection platform includes a workpiece supporting platform that can move up and down, and a detection and cleaning platform located below the workpiece supporting platform and fixed, the detection and cleaning platform is installed with a bottom detection sensor, a side detection sensor assembly and a water spray nozzle, the water spray nozzle is supplied with water by a water pump, and a workpiece placement plate of the workpiece supporting platform is provided with a notch for the bottom detection sensor, the side detection sensor assembly and the water spray nozzle to pass through; the side detection platform includes a side detection platform cylinder, the side detection platform cylinder pushes the side platform sensor mounting seat plate to move up and down, and the side platform sensor mounting seat plate is installed with a side detection sensor assembly. The bottom detection sensors on the detection and cleaning platform are all fixed, the height of each sensor can be adjusted individually, the side detection sensor assembly is fixed, but the sensor thereon can move laterally. Openings for functions such as observation, maintenance and cleaning can be set on both sides of the water tank, and the openings can be closed with transparent acrylic plates.

[0005] On the basis of the above technical solution, in order to achieve the convenience of use and the stability of the equipment, the present invention can also make the following improvements to the above technical solution:

[0006] Furthermore, the side detection sensor assembly includes a transverse moving cylinder, a sensor mounting plate is mounted on the end of the piston rod of the transverse moving cylinder, and the side detection sensor is mounted on the sensor mounting plate.

[0007] Furthermore, the workpiece supporting platform includes a workpiece placement plate, and a workpiece lifting cylinder for lifting is installed at each of the four corners of the workpiece placement plate. The workpiece placement plate is provided with a central positioning column and a side positioning column for positioning the flywheel housing.

[0008] Furthermore, the workpiece placement plate is provided with a resin pad, which can prevent the workpiece from being damaged and can also prevent rust from forming on the workpiece placement plate to contaminate the center positioning column and the side positioning column.

[0009] Furthermore, the detection and cleaning platform includes a fixed mounting plate, which is fixedly mounted in the water tank through four fixed columns, a nozzle water supply box for supplying water to the water nozzle is fixedly mounted on the bottom surface of the fixed mounting plate, the bottom surface detection sensor and the water nozzle are mounted on the fixed mounting plate, and a side detection sensor assembly for detecting the wire screw sleeve on the side wall of the flywheel housing is also mounted on the fixed mounting plate. A solenoid valve can be set on the pipeline from the water pump to the nozzle water supply box, and an air pump is also set in parallel with the water pump, and the connection of the pipeline is controlled by the solenoid valve to realize the two functions of cleaning and drying.

[0010] Furthermore, the side detection platform also includes two optical axes, on which sliders are arranged, and the two sides of the side platform sensor mounting base plate are respectively fixedly mounted to the sliders on the two optical axes, and the end of the side platform sensor mounting base plate is installed with a side detection sensor assembly for detecting the wire screw sleeve on the side wall of the flywheel housing, and the side platform sensor mounting base plate is fixed to the end of the piston rod of the side detection platform cylinder.

[0011] Furthermore, the side platform sensor mounting base plate is drawer-shaped.

[0012] Furthermore, it also includes a circulating water tank, the water inlet pipe of the water pump is connected to the circulating water tank; the height of the water tank is higher than the upper edge of the circulating water tank, and the drainage pipe of the water tank extends into the circulating water tank. A filter element is installed at the water outlet of the water tank to filter the water out of the water tank, and the filtered water is stored in the circulating water tank, so as to realize the recycling of water and save water.

[0013] Furthermore, the water tank, the side detection platform, the lower detection platform and the water pump are all installed on the frame.

[0014] At the same time, the use method of the above equipment is also provided: the above equipment can realize the one-time installation of the flywheel housing workpiece, the one-time detection of the stainless steel wire sleeve in multiple directions, and the cleaning and drying steps of the bottom gear box; the specific use method is as follows:

[0015] In the first step, the workpiece is mounted on the resin pad and positioned by the center positioning column and the side positioning column. The center hole of the workpiece is mounted on the center positioning column, and the side hole of the workpiece is mounted on the side positioning column. The center positioning column and the side positioning column are made of nylon.

[0016] In the second step, the workpiece lifting cylinders at the four corners are actuated, the workpiece is lowered into the water tank, and the bottom surface detection sensor below is aligned at the same time;

[0017] In the third step, the cylinder of the side detection platform moves, and the optical axis and the slider equipped with linear bearings are used to achieve precision matching to ensure that the sensor on the side platform sensor mounting base plate is aligned with the workpiece;

[0018] In the fourth step, the lateral movement cylinder of the side detection sensor assembly is actuated to align the side detection sensor with the workpiece;

[0019] The fifth step is to trigger the PLC detection program, cooperate with the multi-contact relay, realize the one-to-many usage mode of the proximity switch signal amplifier and the sensor probes of the bottom detection sensor and the side detection sensor, and perform the missing detection of the workpiece wire screw sleeve in turn;

[0020] At the same time, the gear box of the workpiece is cleaned with low-pressure spray water. After the cleaning is completed, it is automatically switched to air pressure blow-drying. When blow-drying, an air pump is used. The air pump and water pump are installed in parallel and switched through a conversion valve.

[0021] Step 6. After the workpiece is dried, remove it in the reverse order of steps 4 to 1.

[0022] In the above method, through PLC time-controlled logic program design and in conjunction with a multi-contact relay, a one-to-many usage mode of the proximity switch signal amplifier and the sensor probe can be realized, thereby breaking the one-to-one mode usage restriction of the proximity switch signal amplifier and the sensor probe and greatly reducing the related investment in electrical costs.

[0023] The present application uses 5 pcs of proximity switch signal amplifiers (originally 29 pcs are needed), and 29 pcs of sensor probes, which can save 24 pcs of signal amplifiers. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional structural schematic diagram of a device for cleaning a flywheel housing and inspecting a wire thread insert in the present application;

[0025] Figure 2 is a side view of the lower detection platform;

[0026] Figure 3 Schematic diagram of the three-dimensional structure of the lower detection platform;

[0027] Figure 4It is a schematic diagram of the three-dimensional structure of the detection and cleaning platform;

[0028] Figure 5 for Figure 4 A in the enlarged view;

[0029] Figure 6 It is a schematic diagram of the three-dimensional structure of the side detection platform;

[0030] Figure 7 It is a three-dimensional structural schematic diagram of the flywheel housing.

[0031] The reference numerals are recorded as follows: 1-water tank, 2-side detection platform, 3-lower detection platform, 4-water pump, 5-circulating water tank, 9-flywheel housing;

[0032] 2.1-side detection platform cylinder, 2.2-optical axis, 2.3-slider, 2.4-side platform sensor mounting base plate;

[0033] 3.1-workpiece support platform, 3.2-detection and cleaning platform;

[0034] 3.1.1-workpiece placement plate, 3.1.2-workpiece lifting cylinder, 3.1.3-center positioning column, 3.1.4-side positioning column;

[0035] 3.2.1-Fixed mounting plate, 3.2.2-Fixed column, 3.2.3-Side detection sensor assembly, 3.2.4-Water spray nozzle, 3.2.5-Bottom detection sensor, 3.2.6-Nozzle water supply tank;

[0036] 3.2.31- lateral movement cylinder, 3.2.32- sensor mounting plate, 3.2.33- side detection sensor, 3.2.34- mounting base;

[0037] 9.1- workpiece center hole, 9.2- workpiece side hole. DETAILED DESCRIPTION

[0038] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0039] A device for cleaning and inspecting wire thread inserts for flywheel housings (see Figure 1-7 ), comprising a water tank 1, a lower detection platform 3 installed in the water tank 1, a side detection platform 2 and a water pump 4 installed outside the water tank 1;

[0040] The lower detection platform 3 includes a workpiece supporting platform 3.1 that can move up and down, and a detection and cleaning platform 3.2 that is fixed and stationary below the workpiece supporting platform 3.1.

[0041] The workpiece supporting platform 3.1 includes a workpiece placing plate 3.1.1, on which a resin pad is arranged, and a workpiece lifting cylinder 3.1.2 for lifting is installed at each of the four corners of the workpiece placing plate 3.1.1, and a center positioning column 3.1.3 and a side positioning column 3.1.4 for positioning and placing the flywheel housing are arranged on the workpiece placing plate 3.1.1; a slot for a bottom surface detection sensor 3.2.5, a side detection sensor assembly 3.2.3 and a water nozzle 3.2.4 to pass through is arranged on the workpiece placing plate 3.1.1; the position of the slot is determined according to the position of the bottom surface detection sensor 3.2.5, the side detection sensor assembly 3.2.3 and the water nozzle 3.2.4;

[0042] The detection and cleaning platform 3.2 includes a fixed mounting plate 3.2.1, which is fixedly mounted in the water tank through four fixed columns 3.2.2. A bottom detection sensor 3.2.5, a side detection sensor assembly 3.2.3 and a water nozzle 3.2.4 are mounted on the top surface of the fixed mounting plate 3.2.1. A nozzle water supply box 3.2.6 for supplying water to the water nozzle 3.2.4 is fixedly mounted on the bottom surface of the fixed mounting plate 3.2.1. The bottom detection sensor 3.2.5 is set according to the position of the wire screw sleeve on the bottom surface of the flywheel housing, and the height of the bottom detection sensor 3.2.5 at different positions can also be changed accordingly. The number and position of the water nozzle 3.2.4 are also arranged accordingly according to the needs; the side detection sensor assembly 3.2.3 is mounted at both ends of the fixed mounting plate 3.2.1, and is used to detect the wire screw sleeve on the side wall of the flywheel housing; the water outlet of the water pump 4 is connected to the nozzle water supply box 3.2.6 through a pipeline, and is used to supply water to the water nozzle;

[0043] The side detection sensor assembly 3.2.3 includes a lateral movement cylinder 3.2.31, a sensor mounting plate 3.2.32 is mounted on the end of the piston rod of the lateral movement cylinder 3.2.31, and a side detection sensor 3.2.33 is mounted on the sensor mounting plate 3.2.32;

[0044] The side detection platform 2 includes a side detection platform cylinder 2.1, which pushes the side platform sensor mounting seat plate 2.4 to move up and down, and a side detection sensor assembly 3.2.3 is installed on the side platform sensor mounting seat plate 2.4; the side detection platform 2 also includes two optical axes 2.2, on which a slider 2.3 is arranged, and both sides of the side platform sensor mounting seat plate 2.4 are fixedly installed with the sliders 2.3 on the two optical axes 2.2 respectively, and the end of the side platform sensor mounting seat plate 2.4 is installed with a side detection sensor assembly 3.2.3 for detecting the wire screw sleeve on the side wall of the flywheel housing, and the side platform sensor mounting seat plate 2.4 is fixed to the piston rod end of the side detection platform cylinder 2.1; the side platform sensor mounting seat plate 2.4 is in the shape of a drawer;

[0045] In order to save water, a circulating water tank 5 is provided, and the water inlet pipe of the water pump 4 is connected to the circulating water tank 5; the height of the water tank 1 is higher than the upper edge of the circulating water tank 5, and the drainage pipe of the water tank 1 extends into the circulating water tank 5;

[0046] The water tank 1, the side detection platform 2, the lower detection platform 3 and the water pump 4 are all installed on the frame.

[0047] The above equipment can realize the one-time installation of the flywheel housing workpiece, one-time detection of the stainless steel wire sleeve in multiple directions, and complete the cleaning and drying steps of the bottom gear box; the specific usage method is as follows:

[0048] In the first step, the workpiece is mounted on the resin pad and positioned by the center positioning column 3.1.3 and the side positioning column 3.1.4. The center hole 9.1 of the workpiece is mounted on the center positioning column 3.1.3, and the side hole 9.2 of the workpiece is mounted on the side positioning column 3.1.4. The center positioning column 3.1.3 and the side positioning column 3.1.4 are made of nylon.

[0049] In the second step, the workpiece lifting cylinders 3.1.2 at the four corners are actuated, and the workpiece is lowered into the water tank 1, while the bottom surface detection sensor below is aligned;

[0050] In the third step, the cylinder 2.1 of the side detection platform is actuated, and the optical axis 2.2 and the slider 2.3 equipped with a linear bearing are used to achieve precision matching, so as to ensure that the sensor on the side platform sensor mounting base plate 2.4 is aligned with the workpiece;

[0051] Step 4: The lateral movement cylinder 3.2.31 of the side detection sensor assembly 3.2.3 is actuated to align the side detection sensor 3.2.33 with the workpiece;

[0052] The fifth step is to trigger the PLC detection program and cooperate with the multi-contact relay to realize the one-to-many usage mode of the proximity switch signal amplifier and the sensor probes of the bottom detection sensor 3.2.5 and the side detection sensor 3.2.33, and perform missing detection on the workpiece wire screw sleeve in turn;

[0053] At the same time, the gear box of the workpiece is cleaned with low-pressure spray water. After the cleaning is completed, it is automatically switched to air pressure blow-drying. When blow-drying, an air pump is used. The air pump and water pump are installed in parallel and switched through a conversion valve.

[0054] Step 6. After the workpiece is dried, remove it in the reverse order of steps 4 to 1.

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for cleaning and inspecting a wire thread insert of a flywheel housing, characterized in that: The invention comprises a water tank (1), a lower detection platform (3) installed in the water tank (1), a side detection platform (2) installed outside the water tank (1), and a water pump (4); the lower detection platform (3) comprises a workpiece support platform (3.1) that can move up and down, and a detection and cleaning platform (3.2) that is fixed below the workpiece support platform (3.1); a bottom detection sensor (3.2.5), a side detection sensor assembly (3.2.3) and a water nozzle (3.2.4) are installed on the detection and cleaning platform (3.2); the water nozzle (3.2 .4) water is supplied by a water pump (4), and a workpiece placement plate (3.1.1) of the workpiece support platform (3.1) is provided with a slot for a bottom detection sensor (3.2.5), a side detection sensor assembly (3.2.3) and a water nozzle (3.2.4) to pass through; the side detection platform (2) includes a side detection platform cylinder (2.1), and the side detection platform cylinder (2.1) pushes the side platform sensor mounting base plate (2.4) to move up and down, and the side platform sensor mounting base plate (2.4) is mounted with the side detection sensor assembly (3.2.3); The side detection sensor assembly (3.2.3) comprises a lateral movement cylinder (3.2.31), a sensor mounting plate (3.2.32) is mounted on the end of the piston rod of the lateral movement cylinder (3.2.31), and the side detection sensor (3.2.33) is mounted on the sensor mounting plate (3.2.32); The workpiece supporting platform (3.1) comprises a workpiece placement plate (3.1.1), a workpiece lifting cylinder (3.1.2) for lifting is installed at each of the four corners of the workpiece placement plate (3.1.1), and a central positioning column (3.1.3) and a side positioning column (3.1.4) for positioning and placing a flywheel housing are arranged on the workpiece placement plate (3.1.1); The side detection platform (2) further comprises two optical axes (2.2), on which slide blocks (2.3) are arranged, and two sides of a side platform sensor mounting seat plate (2.4) are respectively fixedly mounted to the slide blocks (2.3) on the two optical axes (2.2), and an end of the side platform sensor mounting seat plate (2.4) is mounted with a side detection sensor assembly (3.2.3) for detecting a wire screw sleeve on a side wall of a flywheel housing, and the side platform sensor mounting seat plate (2.4) is fixed to the end of a piston rod of a side detection platform cylinder (2.1).

2. The device for cleaning and inspecting the wire thread insert of the flywheel housing according to claim 1 is characterized in that: A resin pad is provided on the workpiece placement plate (3.1.1).

3. The device for cleaning and inspecting the wire thread insert of the flywheel housing according to claim 1, characterized in that: The detection and cleaning platform (3.2) comprises a fixed mounting plate (3.2.1), the fixed mounting plate (3.2.1) is fixedly mounted in a water tank via four fixed columns (3.2.2), a nozzle water supply box (3.2.6) for supplying water to a water nozzle (3.2.4) is fixedly mounted on the bottom surface of the fixed mounting plate (3.2.1), a bottom surface detection sensor (3.2.5) and a water nozzle (3.2.4) are mounted on the fixed mounting plate (3.2.1), and a side detection sensor assembly (3.2.3) for detecting a wire screw sleeve on a side wall of a flywheel housing is also mounted on the fixed mounting plate (3.2.1).

4. The device for cleaning and inspecting the wire thread insert of the flywheel housing according to claim 1, characterized in that: The side platform sensor mounting seat plate (2.4) is in a drawer shape.

5. The device for cleaning and inspecting wire thread inserts of a flywheel housing according to claim 1, characterized in that: It also includes a circulating water tank (5), and a water inlet pipe of a water pump (4) is connected to the circulating water tank (5); the height of the water tank (1) is higher than the upper edge of the circulating water tank (5), and a drainage pipe of the water tank (1) extends into the circulating water tank (5).

6. The device for cleaning and inspecting wire thread inserts of a flywheel housing according to claim 1, characterized in that: The water tank (1), the side detection platform (2), the lower detection platform (3) and the water pump (4) are all mounted on a frame.

7. A method for using a device for cleaning and inspecting a wire thread insert of a flywheel housing, characterized in that: A device for cleaning and inspecting a wire thread insert of a flywheel housing according to any one of claims 1 to 6, the device further comprising a PLC and a multi-point relay for control, and an air pump; The specific usage is as follows: In the first step, the workpiece is mounted on the resin pad and positioned by the center positioning column (3.1.3) and the side positioning column (3.1.4). The center hole (9.1) of the workpiece is mounted on the center positioning column (3.1.3), and the side hole (9.2) of the workpiece is mounted on the side positioning column (3.1.4). The center positioning column (3.1.3) and the side positioning column (3.1.4) are made of nylon. In the second step, the workpiece lifting cylinders (3.1.2) at the four corners are activated, and the workpiece is lowered into the water tank (1), while the bottom surface detection sensor (3.2.5) below is aligned; In the third step, the cylinder (2.1) of the side detection platform is actuated to achieve precision matching through the optical axis (2.2) and the slider (2.3) equipped with a linear bearing, thereby ensuring that the sensor on the side platform sensor mounting base plate (2.4) is aligned with the workpiece; Step 4: The lateral moving cylinder (3.2.31) of the side detection sensor assembly (3.2.3) is actuated to align the side detection sensor (3.2.33) with the workpiece; Step 5: trigger the PLC detection program, cooperate with the multi-contact relay, realize the one-to-many usage mode of the proximity switch signal amplifier and the sensor probes of the bottom detection sensor (3.2.5) and the side detection sensor (3.2.33), and perform missing detection on the workpiece wire screw sleeve in turn; At the same time, the gear box of the workpiece is cleaned with low-pressure spray water. After the cleaning is completed, it is automatically switched to air pressure blow-drying. When blow-drying, an air pump is used. The air pump and water pump are installed in parallel and switched through a conversion valve. Step 6. After the workpiece is dried, remove it in the reverse order of steps 4 to 1.

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