Oil removing and cleaning equipment for spaceflight tubular parts

Abstract

The utility model discloses oil removing and cleaning equipment for spaceflight tubular parts. The oil removing and cleaning equipment comprises a cleaning box, a workpiece containing disc, a few-workpiece cleaning assembly and a multi-workpiece cleaning assembly. The workpiece placing disc is arranged in the cleaning box and can rotate; the few-workpiece cleaning assembly comprises an inner pipe cleaning part, an outer pipe cleaning part and a workpiece positioning part; the inner pipe cleaning part can clean an inner pipe of the to-be-cleaned spaceflight tubular part; the outer tube cleaning part comprises a second infusion tube and an atomizer; a nozzle of the atomizer points to the workpiece placing disc; the workpiece positioning part can position the workpiece; the multi-workpiece cleaning assembly comprises a third liquid conveying pipe and an ultrasonic vibrator. The cleaning mode can be selected according to the number of the to-be-cleaned spaceflight tubular parts, and therefore cleaning liquid and cleaning time are saved. And meanwhile, synchronous cleaning of the inner pipe and the outer pipe of the to-be-cleaned spaceflight tubular part can be achieved, and therefore the cleaning time is further saved while the cleaning effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of aerospace parts cleaning, especially to an oil removing and cleaning equipment for aerospace tubular parts. BACKGROUND

[0002] Pipe fittings are mainly used for aircraft hydraulic energy transmission or fuel transmission, and these pipe fittings will inevitably be contaminated with oil and dust during use, among which, hydraulic pipe contamination is the main cause of aircraft hydraulic system failure, so the cleaning of the inner wall and outer wall of the aircraft hydraulic pipe fitting needs to be paid attention to.

[0003] In the Chinese patent with publication number CN220611464U, an oil removing and cleaning equipment for aerospace parts is mentioned, which includes a support, a cleaning cylinder is arranged in the middle of the support, uniformly distributed support rods are fixedly installed on the side of the cleaning cylinder where the support is located, a horizontal plate is jointly installed at the top end of the support rods, a first air cylinder is fixedly installed on the top of the horizontal plate, an installation plate is arranged below the horizontal plate, connecting plates are fixedly installed on both sides of the installation plate, the output shaft end of the first air cylinder is fixedly installed with the connecting plates, a motor is fixedly installed on the top of the installation plate, a baffle is arranged below the installation plate, the output shaft end of the motor is fixedly installed with the top of the baffle, and uniformly distributed bristles are arranged on the bottom of the baffle. The oil removing and cleaning equipment for aerospace parts has good cleaning effect on parts, and the parts are convenient to take and place. The overall structure of the device is simple and has high practicability.

[0004] The applicant found in the use process that the above-mentioned oil removing and cleaning equipment can remove part of the oil stains on the outside of the pipe fitting, but cannot remove the oil stains inside the pipe fitting relying on the bristles, and cannot guarantee to remove as much oil stains on the parts as possible relying on the bristles only, so the cleaning effect is not good. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to provide an oil removing and cleaning equipment for aerospace tubular parts according to the above-mentioned deficiencies of the prior art, which can select a cleaning mode according to the number of aerospace tubular parts to be cleaned, thereby saving cleaning liquid and cleaning time.

[0006] To solve the above-mentioned technical problem, the utility model adopts the technical scheme of:

[0007] An oil removing and cleaning equipment for aerospace tubular parts, which comprises a cleaning box, a workpiece placing disc, a few-workpiece cleaning assembly and a many-workpiece cleaning assembly.

[0008] The workpiece placing disc is built in the cleaning box and can rotate under the driving of a rotary driving device, and a plurality of clamping holes are arranged on the workpiece placing disc.

[0009] The few-workpiece cleaning assembly comprises an inner tube cleaning component, an outer tube cleaning component, and a workpiece positioning component.

[0010] The inner tube cleaning component comprises a first liquid delivery pipe and N liquid distribution pipes in communication with the first liquid delivery pipe; the other end of the first liquid delivery pipe is connected to a cleaning liquid storage tank; the N liquid distribution pipes are evenly arranged in a cleaning box above a workpiece placement disc, and the end of each liquid distribution pipe can be detachably and sealingly fitted with the inner hole of the space tube-shaped component to be cleaned.

[0011] The outer tube cleaning component comprises a second liquid delivery pipe and an atomizer in communication with the second liquid delivery pipe; the other end of the second liquid delivery pipe is connected to the cleaning liquid storage tank; the atomizer is located in the cleaning box above the workpiece placement disc, and the nozzle of the atomizer points to the workpiece placement disc.

[0012] The workpiece positioning component is used for positioning the space tube-shaped component to be cleaned above the workpiece placement disc.

[0013] The multi-workpiece cleaning assembly comprises a third liquid delivery pipe and an ultrasonic vibrator; the third liquid delivery pipe is directly or indirectly connected to the cleaning liquid storage tank and can deliver cleaning liquid to the cleaning box; the ultrasonic vibrator is built-in at the bottom of the cleaning box.

[0014] The top of the cleaning box is further provided with a box cover capable of being sealingly covered.

[0015] The center of the workpiece placement disc is provided with a sleeve capable of being synchronously rotated with the workpiece placement disc, and a connecting pipe is inserted into the sleeve; the sleeve can be rotated around the connecting pipe; the bottom end of the connecting pipe is in communication with the first liquid delivery pipe; and the top end of the connecting pipe is in communication with the N liquid distribution pipes.

[0016] N=4.

[0017] The end of each liquid distribution pipe is provided with a plug, a threaded pipe, a stop cylinder, and a clamping plate.

[0018] The plug, the threaded pipe, and the stop cylinder are coaxially arranged from inside to outside; and the plug is in the shape of a tapered frustum.

[0019] The threaded pipe comprises an integrally arranged threaded section and an elastically deformed section; the outer wall surface of the threaded section is threadedly connected with the stop cylinder; the elastically deformed section comprises a plurality of elastically outward extending strips integrally and evenly arranged along the circumference of the end of the threaded section; the end of each elastic body is provided with a clamping plate on the inner side; and the clamping plate can be in contact with the outer wall of the plug.

[0020] The outer wall surface of each elastic strip adjacent to the threaded section is also provided with an external thread matched with the thread of the stop cylinder.

[0021] The workpiece positioning component comprises a tie and a plug cylinder arranged at both ends of the tie; each plug cylinder can be clamped with a clamping hole of the workpiece placement disc.

[0022] Each plug sleeve comprises a plurality of clamping blocks arranged uniformly in the circumferential direction; and a deformation gap is arranged between two adjacent clamping blocks.

[0023] The bottom of the cleaning tank is further provided with a liquid discharge pipe.

[0024] The present application can select a cleaning mode according to the number of the to-be-cleaned space pipe-shaped parts, thereby saving cleaning liquid and cleaning time. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The overall structure of the oil removal and cleaning equipment for space pipe-shaped parts is shown Figure 1 .

[0026] Figure 2 The overall structure of the oil removal and cleaning equipment for space pipe-shaped parts is shown Figure 2 .

[0027] Figure 3 The internal structure of the cleaning tank is shown.

[0028] Figure 4 The structure of the workpiece placing disc is shown.

[0029] Figure 5 The structure of the liquid distribution pipe is shown.

[0030] Figure 6 The structure of the workpiece positioning assembly is shown.

[0031] Among them:

[0032] 10. cleaning tank; 11. tank cover; 12. liquid discharge pipe;

[0033] 20. workpiece placing disc;

[0034] 21. connecting pipe; 211. sleeve;

[0035] 221. external teeth; 222. rotary motor; 223. gear; 224. transmission shaft;

[0036] 31. first liquid delivery pipe; 32. liquid distribution pipe; 321. plug; 322. threaded pipe; 323. resistance sleeve; 324. clamping plate;

[0037] 33. atomizer; 331. liquid guide pipe; 332. spray head;

[0038] 34. second liquid delivery pipe;

[0039] 361. tie; 362. cartridge; 363. block; 364. deformation joint;

[0040] 40. Ultrasonic vibrator. DETAILED DESCRIPTION

[0041] The utility model will be described in further detail below in combination with the drawings and specific preferred embodiments.

[0042] In the description of the utility model, it should be understood that the terms "left side", "right side", "upper part", "lower part" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and "first", "second" and the like do not represent the importance of the parts, so they cannot be understood as limiting the utility model. The specific dimensions used in the embodiments are only used to illustrate the technical solutions and do not limit the protection scope of the utility model.

[0043] As shown in Figure 1 , Figure 2 and Figure 3 , a kind of aerospace tubular parts oil removal cleaning equipment, including cleaning tank 10, workpiece placement tray 20, few workpiece cleaning assembly 30 and multiple workpiece cleaning assembly.

[0044] Cleaning tank top is provided with the box cover 11 that can be opened and closed, and cleaning tank bottom is provided with drain pipe 12.

[0045] As shown in Figure 3 and Figure 4 , workpiece placement tray is built-in in cleaning tank, and the center of workpiece placement tray is provided with sleeve 211 that can rotate synchronously, and connecting pipe 21 is inserted in sleeve.

[0046] Workpiece placement tray can rotate synchronously with sleeve under the drive of rotary drive device;Workpiece placement tray is provided with a plurality of clamping holes 23.

[0047] The above-mentioned rotary drive device is preferably gear pair transmission, including rotary motor 222 and gear 223;Rotary motor is arranged on cleaning tank, and is connected with gear through transmission shaft 224, and rotary motor can drive gear to rotate;The outer periphery of workpiece placement tray is provided with outer teeth 221 that can be engaged with gear. As an alternative, the rotary drive device can also be other known transmission mode.

[0048] Few workpiece cleaning assembly includes inner tube cleaning part, outer tube cleaning part and workpiece positioning part.

[0049] The inner tube cleaning component comprises a first liquid delivery tube 31 and N liquid delivery sub-tubes 32 connected to the first liquid delivery tube. In this embodiment, N=4, but other numbers are also possible.

[0050] One end of the first liquid delivery tube is connected to a cleaning liquid storage tank, and the other end is connected to the bottom end of a connecting tube. The top end of the connecting tube is connected to the N liquid delivery sub-tubes. The N liquid delivery sub-tubes are evenly arranged in the cleaning tank above the workpiece placement disc, and the end of each liquid delivery sub-tube can be detachably connected to the inner hole of the spaceflight tubular component to be cleaned.

[0051] As shown in Figure 5 , the end of each liquid delivery sub-tube is preferably provided with a plug 321, a threaded tube 322, a cylinder 323, and a clamping plate 324.

[0052] The plug, threaded tube, and cylinder are coaxially arranged from the inside to the outside; the plug is a tapered frustum.

[0053] The threaded tube comprises an integral threaded section and an elastic deformation section; the outer wall of the threaded section is threadedly connected to the cylinder; the elastic deformation section comprises a plurality of elastic strips arranged uniformly along the circumference of the end of the threaded section; the end of each elastic body is provided with a clamping plate on the inner side; the clamping plate can be in contact with the outer wall of the plug.

[0054] The outer wall of each elastic strip adjacent to the threaded section is also provided with external threads that cooperate with the threads of the cylinder.

[0055] The workpiece positioning component is used to position the spaceflight tubular component to be cleaned above the workpiece placement disc.

[0056] As shown in Figure 6 , the workpiece positioning component comprises a tie 361 and a plug 362 arranged at both ends of the tie; each plug can be clamped into the clamping hole of the workpiece placement disc.

[0057] Each plug comprises a plurality of clamping blocks 363 arranged uniformly along the circumference; adjacent clamping blocks have a deformation joint 364 therebetween.

[0058] The outer tube cleaning component preferably comprises a second liquid delivery tube 34 and an atomizer 33; one end of the second liquid delivery tube is connected to the cleaning liquid storage tank, and the other end is connected to the atomizer. The atomizer is preferably connected to the nozzle 332 of the atomizer through a liquid guide tube 331; the atomizer is located in the cleaning tank above the workpiece placement disc, and the nozzle of the atomizer points to the workpiece placement disc.

[0059] The multi-workpiece cleaning assembly comprises a third liquid delivery tube and an ultrasonic vibrator 40; the third liquid delivery tube is directly or indirectly connected to the cleaning liquid storage tank and can deliver cleaning liquid to the cleaning tank; the ultrasonic vibrator is built into the bottom of the cleaning tank.

[0060] A method for cleaning and removing oil from spaceflight tubular components, comprising the following steps.

[0061] Step 1, determine the cleaning method: according to the number of space tubular parts to be cleaned, determine the cleaning method. When the number of space tubular parts to be cleaned does not exceed the number of liquid distribution pipes N, then enter step 2 for less workpiece cleaning; when the number of space tubular parts to be cleaned exceeds the number of liquid distribution pipes N, then enter step 3 for more workpiece cleaning.

[0062] Step 2, less workpiece cleaning: use the less workpiece cleaning assembly for cleaning, which includes the following steps.

[0063] Step 2-1, assemble workpieces: one-to-one correspondence between the space tubular parts to be cleaned and the liquid distribution pipes, and the liquid distribution pipes are inserted into one end of the space tubular parts to be cleaned; the tail of the space tubular parts to be cleaned is positioned on the workpiece placement disc using the workpiece positioning component.

[0064] The method for positioning the space tubular parts to be cleaned by the workpiece positioning component is preferably: the lanyard is pressed against the tail of the corresponding space tubular part to be cleaned, and the insertion cylinder at both ends of the lanyard is inserted into the corresponding card hole, so that the lanyard is in a tight state.

[0065] Step 2-2, inner tube cleaning: the cleaning liquid enters the liquid distribution pipe, then enters the inner hole of the corresponding space tubular part to be cleaned through the first liquid pipe, and the inner tube cleaning of the space tubular part to be cleaned is realized.

[0066] Step 2-3, outer tube cleaning: the workpiece placement disc is driven by the rotary drive device to rotate around the connecting pipe; the second liquid pipe delivers cleaning liquid to the atomizer, and the nozzle of the atomizer sprays cleaning liquid to the outer surface of the space tubular part to be cleaned located below. During the rotation of the workpiece placement disc, the outer tube cleaning of all space tubular parts to be cleaned is realized.

[0067] Step 3, more workpiece cleaning: use the more workpiece cleaning assembly for cleaning, which includes the following steps.

[0068] Step 3-1, place workpieces: place all space tubular parts to be cleaned evenly on the workpiece placement disc. According to the needs, if the density of the space tubular parts to be cleaned is small, easy to float or high cleaning accuracy, each space tubular part to be cleaned can be positioned using the workpiece positioning assembly; if the density of the space tubular parts to be cleaned is large, not floating or the cleaning accuracy requirement is not high, the positioning can be omitted. When positioning, a gap is reserved between the two adjacent space tubular parts to be cleaned.

[0069] Step 3-2, fill cleaning liquid: add cleaning liquid to the cleaning tank directly or indirectly (an addition port can be opened on the first liquid pipe or the second liquid pipe) through the third liquid pipe, so that the cleaning liquid covers the upper surfaces of all space tubular parts to be cleaned.

[0070] Step 3-3, cleaning: turn on the ultrasonic vibrator to clean the inner tube and outer tube of all the space tubular parts to be cleaned at the same time.

[0071] The preferred embodiments of the present application are described in detail above, but the present application is not limited to the specific details of the above-described embodiments, and various equivalent transformations of the technical solutions of the present application can be made within the technical concept of the present application, and these equivalent transformations all belong to the protection scope of the present application.

Claims

1. An oil removal cleaning apparatus for aerospace tubular parts, characterized by: The cleaning box, the workpiece placing disc, the few-workpiece cleaning assembly and the many-workpiece cleaning assembly are included. The workpiece placing disc is built in the cleaning box and can rotate under the driving of the rotary driving device. The few-workpiece cleaning assembly includes an inner tube cleaning component, an outer tube cleaning component and a workpiece positioning component. The inner tube cleaning component includes a first liquid delivery tube and N branch liquid delivery tubes connected with the first liquid delivery tube. The other end of the first liquid delivery tube is connected with a cleaning liquid storage tank. The N branch liquid delivery tubes are evenly arranged in the cleaning box above the workpiece placing disc, and the end of each branch liquid delivery tube can be detachably matched with the inner hole of the space pipe-shaped component. The outer tube cleaning component includes a second liquid delivery tube and an atomizer connected with the second liquid delivery tube.

2. The space flight tubular part degreasing apparatus according to claim 1, characterized by: The other end of the second liquid delivery tube is connected with the cleaning liquid storage tank.

3. The space flight tubular part degreasing apparatus according to claim 1, characterized by: The atomizer is located in the cleaning box above the workpiece placing disc, and the nozzle of the atomizer points to the workpiece placing disc.

4. The space tubular member degreasing apparatus according to claim 1 or 3, characterized by: N=4。 5. The space flight tubular part degreasing apparatus according to claim 1, characterized by: The workpiece positioning component is used for positioning the space pipe-shaped component to be cleaned above the workpiece placing disc. The many-workpiece cleaning assembly includes a third liquid delivery tube and an ultrasonic vibrator. The third liquid delivery tube is directly or indirectly connected with the cleaning liquid storage tank and can deliver cleaning liquid into the cleaning box.

6. The space flight tubular part degreasing apparatus according to claim 5, characterized by: The ultrasonic vibrator is built in the bottom of the cleaning box.

7. The space flight tubular part degreasing apparatus according to claim 1, characterized by: The top of the cleaning box is also provided with a box cover that can be sealed and covered.

8. The space flight tubular part degreasing apparatus according to claim 7, characterized by: The center of the workpiece placing disc is provided with a sleeve that can rotate synchronously with it.

9. The space flight tubular part degreasing apparatus according to claim 1, characterized by: The sleeve is inserted with a connecting tube. The bottom end of the connecting tube is connected with the first liquid delivery tube. The top end of the connecting tube is connected with the N branch liquid delivery tubes. The end of each branch liquid delivery tube is provided with a plug, a threaded tube, a resisting cylinder and a clamping plate. The plug, the threaded tube and the resisting cylinder are coaxially arranged from inside to outside. The plug is a tapered frustum. The threaded tube includes an integral threaded section and an elastic deformation section. The outer wall surface of the threaded section is threadedly connected with the resisting cylinder. The elastic deformation section includes several elastic strips that are integrally and evenly arranged along the end of the threaded section. The end of each elastic body is provided with a clamping plate on the inner side. The clamping plate can be in contact with the outer wall of the plug. The outer wall surface of each elastic strip adjacent to the threaded section is also provided with an external thread matched with the thread of the resisting cylinder. The workpiece positioning component includes a tie and a plug cylinder arranged at both ends of the tie. Each plug cylinder can be clamped with the clamping hole of the workpiece placing disc. Each plug cylinder includes several clamping blocks evenly arranged along the circumference. Adjacent two clamping blocks have a deformation joint. The bottom of the cleaning box is also provided with a liquid discharge pipe.

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