Machining method of thin-wall cabin section

Abstract

The invention relates to a machining method for a thin-wall cabin section, belongs to the technical field of machining, and solves the problem of low machining precision of an inner cavity molded surface of a cabin section due to unstable clamping and high possibility of large vibration during machining when the inner cavity molded surface of the cabin section is machined. The method comprises the steps that S1, a clamping tool is installed on a machine tool workbench; s2, the to-be-machined cabin section is installed on the clamping tool, and the to-be-machined cabin section and the clamping tool form a rigid whole; and S3, the molded surface of the inner cavity of the cabin section to be machined is machined. The to-be-machined cabin section is fixed to the rotary table mechanism, so that the to-be-machined cabin section and the rotary table mechanism form a rigid whole, the clamping stability of the to-be-machined cabin section is improved, vibration in the machining process is prevented, and then the machining precision is improved.

Description

Technical Field

[0001] The invention relates to the field of machining technology, and in particular to a method for processing thin-wall cabin sections. Background Art

[0002] In order to meet the design weight requirements, large-sized thin-walled cabins are usually cast and then machined using machine tools to process the entire inner cavity and outer surface. Due to the cabin's long size and thin walls, the cabin has poor rigidity. When processing the cabin's inner cavity surface, unstable clamping can easily cause large vibrations during processing, resulting in low processing accuracy of the cabin's inner cavity surface. Summary of the invention

[0003] In view of the above analysis, the present invention aims to provide a method for processing thin-walled cabin sections, so as to solve the problem in the prior art that when processing the inner cavity surface of the cabin section, due to unstable clamping, the processing is prone to produce large vibrations, resulting in low processing accuracy of the inner cavity surface of the cabin section.

[0004] The purpose of the present invention is mainly achieved through the following technical solutions:

[0005] A method for processing a thin-walled cabin section comprises the following steps:

[0006] Step S1: Install the clamping tool on the machine tool workbench;

[0007] Step S2: The cabin section to be processed is mounted on a clamping fixture so that the cabin section to be processed and the clamping fixture form a rigid whole;

[0008] Step S3: Processing the inner cavity surface of the cabin section to be processed.

[0009] Furthermore, the clamping tool is installed on the machine tool workbench, specifically including: installing a positioning plate on the machine tool workbench, and positioning the positioning plate so that the zero point of the positioning plate coincides with the zero point of the machine tool workbench.

[0010] Furthermore, the cabin section to be processed is installed on the clamping tool, which specifically includes: according to the size of the cabin section to be processed, a first fixture, a second fixture, a first stabilizer, a second stabilizer and a turntable mechanism are installed on the supporting plate.

[0011] Furthermore, the cabin section to be processed is installed on the clamping tool, which specifically includes: passing the cabin section to be processed on the turntable mechanism, and fixing the cabin section to be processed on the turntable mechanism by a first fixer and a second fixer.

[0012] Furthermore, the cabin section to be processed is installed on a clamping fixture, which specifically includes: connecting the first stabilizer and the second stabilizer to the first fixer and the second fixer respectively to support both ends of the cabin section to be processed.

[0013] Furthermore, the cabin section to be processed is installed on a clamping fixture, which specifically includes: adjusting the zero point of the cabin section to be processed so that the zero point of the cabin section to be processed coincides with the supporting plate.

[0014] Furthermore, the cabin section to be processed is installed on a clamping tool, which specifically includes: loading a supporting plate on which the cabin section to be processed is installed onto a positioning plate.

[0015] Furthermore, the processing of the inner cavity surface of the cabin section to be processed specifically includes: after adjusting the machine tool tool and aligning it, starting the turntable mechanism to drive the cabin section to be processed to rotate, first processing the inner cavity at one end of the cabin section, after the processing is completed, the machine tool worktable rotates 180°, and continues to process the inner cavity at the other end of the cabin section until the processing is completed.

[0016] Furthermore, the clamping tool includes a positioning fixture.

[0017] Furthermore, the positioning fixture is used to perform zero-point positioning on the cabin to be processed.

[0018] The technical solution of the present invention can achieve at least one of the following effects:

[0019] (1) The present invention provides a method for processing thin-walled cabin sections, comprising the following steps: step S1: installing a clamping tool on a machine tool workbench; step S2: installing the cabin section to be processed on the clamping tool so that the cabin section to be processed and the clamping tool form a rigid whole; step S3: processing the inner cavity surface of the cabin section to be processed; the cabin section to be processed is fixed on a turntable mechanism so that the cabin section to be processed and the turntable mechanism form a rigid whole, thereby improving the clamping stability of the cabin section to be processed, preventing vibration during processing, and further improving processing accuracy.

[0020] (2) The present invention provides a processing method for thin-walled cabin sections, wherein the clamping tool includes a positioning fixture, and the positioning fixture includes a positioning plate, a supporting plate, a positioning locking mechanism and a cleaning mechanism. The positioning locking mechanism is arranged on the positioning plate, and the positioning locking mechanism is used to position the supporting plate when the supporting plate is installed on the positioning plate; the positioning locking mechanism includes a first reference end face and a second reference end face, and the second reference end face is arranged opposite to the first reference end face, and the second reference end face can contact the first reference end face; the cleaning mechanism is installed on the positioning locking mechanism, and is used to clean the first reference end face and the second reference end face, so that the first reference end face and the second reference end face are kept clean, thereby preventing the accuracy deviation caused by the particles remaining on the first reference end face and the second reference end face, which can not only ensure the installation accuracy of the supporting plate and the positioning plate to improve the positioning accuracy of the cabin section to be processed, but also improve the cleaning efficiency of the positioning fixture, and at the same time, it can also avoid the safety hazards caused by the workers' operating errors and prevent the workers from being injured.

[0021] (3) The cleaning mechanism of the present invention includes a purging and cleaning device, which includes an air connection chamber, a first air blowing hole, a second air blowing hole and a third air passage, wherein the air connection chamber is connected to the third installation chamber through the third air passage; the first air blowing hole and the second air blowing hole are both connected to the air connection chamber, and the first air blowing hole is used to purge the first reference end face to keep the first reference end face clean; the second air blowing hole is used to purge the second positioning end face to keep the second reference end face clean; the first reference end face and the second reference end face are continuously purged and cleaned by the purging and cleaning device to keep the first reference end face and the second reference end face clean, thereby preventing the accuracy deviation caused by the particles remaining on the first reference end face and the second reference end face, which can not only ensure the installation accuracy of the support plate and the positioning plate to improve the positioning accuracy of the chamber to be processed, but also improve the cleaning efficiency of the positioning fixture, and at the same time, it can also avoid the safety hazards caused by the workers' operating errors and prevent the workers from being injured.

[0022] (4) The cleaning mechanism of the present invention is also provided with a wiping cleaning device, which includes a driving sleeve, a support frame, a first wiping cleaning component and a second wiping cleaning component, wherein the first wiping cleaning component includes a first cleaning block, and the second wiping cleaning component includes a second cleaning block; the driving sleeve is arranged on the seat body and can rotate along the axis of the seat body and slide up and down; the support frame is installed on the driving sleeve and can rotate synchronously with the driving sleeve; the first wiping cleaning component is installed on the support frame and can slide up and down along the axis of the support frame and rotate with the support frame, and the first cleaning block and The first reference end face is kept in contact and is used to wipe the first reference end face; the second wiping cleaning component is installed on the support frame and can also rotate with the support frame, and the second cleaning block is kept in contact with the second reference end face and is used to wipe the second reference end face; the support frame is driven to rotate by rotating the driving sleeve, thereby driving the first wiping cleaning component and the second wiping cleaning component to rotate, thereby controlling the first cleaning block to wipe the first reference end face, and controlling the second cleaning block to wipe the second reference end face, thereby further improving the cleanliness of the first reference end face and the second reference end face, thereby further improving the positioning accuracy.

[0023] In the present invention, the above-mentioned technical solutions can also be combined with each other to achieve more preferred combination solutions. Other features and advantages of the present invention will be described in the subsequent description, and some advantages can become obvious from the description, or can be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained through the contents particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings are only for the purpose of illustrating particular embodiments and are not to be considered limiting of the present invention. Like reference symbols denote like components throughout the drawings.

[0025] Figure 1 This is a flow chart of a wall compartment processing method according to Embodiment 1 of the present invention;

[0026] Figure 2 This is a schematic structural diagram of a clamping tool according to Embodiment 2 of the present invention;

[0027] Figure 3 It is a structural schematic diagram of a first fixture, a second fixture and a turntable mechanism of Example 2 of the present invention;

[0028] Figure 4 It is a structural schematic diagram of a positioning fixture according to Embodiment 2 of the present invention;

[0029] Figure 5 is a cross-sectional view of a positioning locking mechanism according to Embodiment 2 of the present invention;

[0030] Figure 6 An exploded view of the wiping cleaning device according to Embodiment 2 of the present invention;

[0031] Figure 7 This is a schematic structural diagram of a support frame according to Embodiment 2 of the present invention;

[0032] Figure 8 An exploded view of the first wiping and cleaning component of Embodiment 2 of the present invention;

[0033] Fig. 9 An exploded view of the second wiping and cleaning component of Embodiment 2 of the present invention;

[0034] Fig.10 It is a cross-sectional view of the linkage shaft of embodiment 2 of the present invention.

[0035] Reference numerals:

[0036] 1. First fixer; 11. First fixing plate; 12. First connecting rod; 2. Second fixer; 21. Second fixing plate; 22. Second connecting rod; 3. First stabilizer; 4. Second stabilizer; 5. Turntable mechanism; 51. Shell; 52. Turntable body; 6. Positioning fixer; 61. Positioning plate; 62. Supporting plate; 63. Positioning locking mechanism; 631. Locking column; 6311. Locking groove; 6312. Air connection cavity; 6313. First blowing hole; 6314. Second blowing hole; 632. Locking mechanism; 6321. Seat; 6322. Driving wedge; 6323. Locking ball; 6324. First elastic member; 6325. Driving cavity; 64. Cleaning mechanism; 641. Driving sleeve; 64 11. Limiting cavity; 6412. First protrusion; 642. Support frame; 6421. Support plate; 6422. Second elastic member; 6423. Ring seat slide; 643. First wiping and cleaning assembly; 6431. First cleaning block; 6432. First mounting ring seat; 64321. First cleaning block slide; 64322. Stop protrusion; 64323. Avoidance hole; 64324. Second protrusion; 6433. First linkage ring; 644. Second wiping and cleaning assembly; 6441. Second cleaning block; 6442. Second mounting ring seat; 64421. Second cleaning block slide; 6443. Second linkage ring; 645. Linkage shaft; 6451. Shaft teeth; 6452. Shaft groove; 646. Third elastic member. DETAILED DESCRIPTION

[0037] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0038] Example 1

[0039] In a specific embodiment of the present invention, a method for processing a thin-walled cabin section is disclosed, such as Figure 1 As shown, the following steps are included:

[0040] Step S1: Install the clamping tool on the machine tool workbench;

[0041] Specifically, the positioning plate 61 is mounted on the machine tool worktable, and the positioning plate 61 is positioned so that the zero point of the positioning plate 61 coincides with the zero point of the machine tool worktable;

[0042] Step S2: The cabin section to be processed is mounted on a clamping fixture so that the cabin section to be processed and the clamping fixture form a rigid whole;

[0043] Specifically, according to the size of the compartment to be processed, the first fixture 1, the second fixture 2, the first stabilizer 3, the second stabilizer 4 and the turntable mechanism 5 are installed on the support plate 62;

[0044] The cabin section to be processed is inserted into the turntable mechanism 5, and the cabin section to be processed is fixed to the turntable mechanism 5 by the first fixture 1 and the second fixture 2, so that the first fixture 1, the second fixture 2, the turntable mechanism 5 and the cabin section to be processed form a rigid whole;

[0045] The first stabilizer 3 and the second stabilizer 4 are connected to the first fixture 1 and the second fixture 2 respectively to support the two ends of the cabin section to be processed, further improve the stability of the clamping of the cabin section to be processed, further avoid vibration and deformation of the cabin section to be processed during the inner cavity processing process, and further improve the processing accuracy of the cabin section to be processed;

[0046] While clamping the cabin section to be processed, the zero point of the cabin section to be processed is adjusted synchronously so that the zero point of the cabin section to be processed coincides with the supporting plate 62;

[0047] Load the support plate 62 on which the cabin section to be processed is mounted onto the positioning plate 61;

[0048] Further, the cabin section to be processed is passed through the hollow cavity of the turntable body 52, the first fixing plate 11 is fixedly connected to one end of the cabin section to be processed, one end of the first connecting rod 12 is fixedly connected to the first fixing plate 11, and the other end is fixedly connected to the turntable body 52; the second fixing plate 21 is fixedly connected to the other end of the cabin section to be processed, one end of the second connecting rod 22 is fixedly connected to the second fixing plate 21, and the other end is fixedly connected to the turntable body 52; the cabin section to be processed is fixedly connected to the turntable body 52 through the first connecting rod 12 and the first fixing plate 11 as well as the second connecting rod 22 and the second fixing plate 21, so that the cabin section to be processed and the turntable body 52 form a rigid whole, so as to achieve stable clamping of the cabin section to be processed, avoid vibration during the processing of the inner cavity of the cabin section to be processed, and improve the processing accuracy;

[0049] Step S3: Processing the cabin section to be processed;

[0050] Specifically, after adjusting the machine tool tool and aligning it, the turntable mechanism 5 is started to drive the cabin section to be processed to rotate. First, the inner cavity at one end of the cabin section is processed. After the processing is completed, the machine tool worktable rotates 180° and continues to process the inner cavity at the other end of the cabin section until the processing is completed. There is no need to clamp again during the processing, thereby improving the processing efficiency and processing accuracy.

[0051] Example 2

[0052] In another specific embodiment of the present invention, a clamping tool for use in embodiment 1 is disclosed; Figure 2As shown, it includes a first fixture 1, a second fixture 2 and a turntable mechanism 5, and the turntable mechanism 5 can be mounted on the cabin section to be processed; the first fixture 1 and the second fixture 2 are arranged on both sides of the turntable mechanism 5 and are connected to the turntable mechanism 5, the first fixture 1 is used to fix one end of the cabin section to be processed on the turntable mechanism 5, and the second fixture 2 is used to fix the other end of the cabin section to be processed on the turntable mechanism 5, and the turntable mechanism 5 is used to drive the cabin section to be processed to rotate; the cabin section to be processed can be fixed on the turntable mechanism 5 by the first fixture 1 and the second fixture 2, so that the first fixture 1, the second fixture 2, the turntable mechanism 5 and the cabin section to be processed form a rigid whole, thereby improving the clamping stability of the cabin section to be processed, preventing vibration during the processing of the inner cavity of the cabin section to be processed, and thereby improving the processing accuracy.

[0053] Preferably, if Figure 3 As shown, the turntable mechanism 5 includes a shell 51, a turntable body 52 and a control motor, wherein the shell 51 is used to be connected to the worktable of a machine tool; the turntable body 52 is passed through the shell 51 and is rotatably connected to the shell 51; the control motor is installed on the shell 51 and is connected to the turntable body 52, and is used to drive the turntable body 52 to rotate.

[0054] Preferably, the turntable body 52 has a hollow cavity, and the hollow cavity can allow the chamber section to be processed to pass through.

[0055] Preferably, the first fixture 1 comprises a first fixing plate 11 and a first connecting rod 12, the first fixing plate 11 is fixedly connected to one end of the compartment to be processed; one end of the first connecting rod 12 is fixedly connected to the first fixing plate 11, and the other end is fixedly connected to the turntable body 52; one end of the compartment to be processed can be fixedly connected to the turntable body 52 through the first connecting rod 12 and the first fixing plate 11, the first connecting rod 12 can not only provide stable support for the compartment to be processed, but also enable the compartment to be processed and the turntable body 52 to form a rigid whole, thereby achieving stable clamping and avoiding vibration during the processing of the inner cavity of the compartment to be processed, thereby improving the processing accuracy.

[0056] Preferably, the second fixture 2 includes a second fixing plate 21 and a second connecting rod 22, and the second fixing plate 21 is fixedly connected to the other end of the compartment to be processed; one end of the second connecting rod 22 is fixedly connected to the second fixing plate 21, and the other end is fixedly connected to the turntable body 52; one end of the compartment to be processed can be fixedly connected to the turntable body 52 through the second connecting rod 22 and the second fixing plate 21, and the second connecting rod 22 can not only provide stable support for the compartment to be processed, but also make the compartment to be processed and the turntable body 52 form a rigid whole, thereby achieving stable clamping and avoiding vibration during the processing of the inner cavity of the compartment to be processed, thereby improving the processing accuracy.

[0057] When in use, the cabin section to be processed is passed through the hollow cavity of the turntable body 52, the first fixed plate 11 is fixedly connected to one end of the cabin section to be processed, one end of the first connecting rod 12 is fixedly connected to the first fixed plate 11, and the other end is fixedly connected to the turntable body 52; the second fixed plate 21 is fixedly connected to the other end of the cabin section to be processed, one end of the second connecting rod 22 is fixedly connected to the second fixed plate 21, and the other end is fixedly connected to the turntable body 52; the cabin section to be processed is fixedly connected to the turntable body 52 by the first connecting rod 12 and the first fixed plate 11 as well as the second connecting rod 22 and the second fixed plate 21, so that the cabin section to be processed and the turntable body 52 form a rigid whole, achieve stable clamping, avoid vibration during the processing of the inner cavity of the cabin section to be processed, and thereby improve the processing accuracy.

[0058] Preferably, a plurality of first connecting rods 12 are provided, and the plurality of first connecting rods 12 are evenly arranged around the circumference; a plurality of second connecting rods 22 are provided, and the plurality of second connecting rods 22 are evenly arranged around the circumference; by evenly arranging the plurality of first connecting rods 12 and the plurality of second connecting rods 22, the force on the cabin section to be processed can be evenly applied, and the connection stiffness between the cabin section to be processed and the turntable body 52 can be further improved, thereby improving the stability of the clamping of the cabin section to be processed, preventing the cabin section to be processed from vibrating and deforming during the inner cavity processing process, thereby improving the processing accuracy of the cabin section to be processed.

[0059] Preferably, the clamping tool also includes a first stabilizer 3 and a second stabilizer 4, the first stabilizer 3 is used to support the first fixed plate 11, and the second stabilizer 4 is used to support the second fixed plate 21, so as to support both ends of the cabin section to be processed, so as to further improve the stability of the clamping of the cabin section to be processed, further prevent the cabin section to be processed from vibrating and deforming during the inner cavity processing process, thereby further improving the processing accuracy of the cabin section to be processed.

[0060] Preferably, the first stabilizer 3 includes a first support and a first stabilizing wheel, the first support is used to be connected to the machine tool worktable, the first stabilizing wheel is installed on the first support, and two groups of the first stabilizing wheels are arranged to support the first fixed plate 11, thereby improving the stability of the support for the processing chamber section.

[0061] Preferably, the second stabilizer 4 includes a second support and a second stabilizing wheel, the second support is used to be connected to the machine tool worktable, the second stabilizing wheel is installed on the first support, and two groups of the second stabilizing wheels are arranged to support the second fixed plate 21, thereby improving the stability of the support for the processing chamber section.

[0062] Preferably, the clamping tool also includes a positioning fixture 6, which is used to quickly perform zero-point positioning on the processing compartment section; the first fixture 1, the second fixture 2, the first stabilizer 3, the second stabilizer 4 and the turntable mechanism 5 are all installed on the positioning fixture 6, and are installed on the machine tool workbench through the positioning fixture 6, so as to quickly perform zero-point positioning on the processing compartment section.

[0063] Preferably, if Figure 4 As shown, the positioning fixture 6 includes a positioning plate 61, a supporting plate 62, a positioning locking mechanism 63 and a cleaning mechanism 64. The positioning plate 61 can be installed on the workbench of a machine tool, and the supporting plate 62 is used to install the first fixture 1, the second fixture 2, the first stabilizer 3, the second stabilizer 4 and the turntable mechanism 5; the positioning locking mechanism 63 is arranged on the positioning plate 61, and is used to quickly and accurately position the supporting plate 62 when the supporting plate 62 is installed on the positioning plate 61, so as to maintain the positioning accuracy of the supporting plate 62, thereby performing zero-point positioning on the processing chamber section; the cleaning mechanism 64 is installed on the positioning locking mechanism 63, and is used to clean the positioning locking mechanism 63, so as to ensure the installation accuracy of the supporting plate 62 and the positioning plate 61.

[0064] Preferably, a first gas passage is provided on the positioning plate 61 , and the first gas passage is connected to external compressed air.

[0065] Preferably, the positioning locking mechanism 63 includes a first reference end face, a second reference end face, a locking column 631 and a locking mechanism 632, the first reference end face is arranged on the locking mechanism 632, and the locking mechanism 632 is arranged on the positioning plate 61; the second reference end face and the locking column 631 are both arranged on the supporting plate 62; the second reference end face is arranged opposite to the first reference end face, and the second reference end face can contact the first reference end face, so that when the supporting plate 62 is clamped on the positioning plate 61, it is used to position the supporting plate 62 so that the upper mounting surface of the supporting plate 62 remains parallel to the table surface of the machine tool worktable; the locking column 631 is located on the second reference end face and can be inserted into the locking mechanism 632, and the locking mechanism 632 is used to position and lock the inserted locking column 631, so as to realize rapid positioning and fixing of the supporting plate 62, and then realize rapid positioning of the workpiece to be processed installed on the supporting plate 62, thereby improving the positioning efficiency and positioning accuracy.

[0066] Preferably, if Figure 5 As shown, a locking groove 6311 is provided on the locking column 631 , and the locking groove 6311 is an arc-shaped groove, and the locking groove 6311 is circumferentially arranged on the cylindrical surface of the locking column 631 .

[0067] Preferably, the locking mechanism 632 includes a seat body 6321, a driving wedge 6322, a locking ball 6323, a first elastic member 6324 and a driving cavity 6325, one end of the seat body 6321 is fixedly connected to the positioning plate 61, and the other end is a first reference end face; a first mounting cavity, a second mounting cavity, a third mounting cavity and a second gas passage are provided on the seat body 6321, the third mounting cavity is used to insert the locking column 631 and position the locking column 631; the first mounting cavity is connected to the second mounting cavity, the locking ball 6323 is arranged in the first mounting cavity, and can protrude or retreat into the first mounting cavity, and the locking ball 6323 is used to lock and tighten the locking column 631 The driving wedge 6322 is arranged in the second installation cavity and can slide in the second installation cavity, and is used to control the locking ball 6323 to protrude or retreat into the first installation cavity, so as to realize the locking and fixing of the locking column 631 and the unlocking and fixing of the locking column 631; the first elastic member 6324 is arranged in the second installation cavity, one end of which is connected to the second installation cavity, and the other end is connected to the driving wedge 6322, and the first elastic member 6324 is used to always apply an elastic thrust to the driving wedge 6322; the driving cavity 6325 is surrounded by the driving wedge 6322 and the second installation cavity, and the driving cavity 6325 is connected to one end of the second gas passage, and the other end of the second gas passage is connected to the first gas passage;

[0068] When in use, compressed gas is filled into the driving chamber 6325 through the external gas circuit via the first gas passage and the second gas passage, and the driving chamber 6325 expands, pushing the driving wedge block 6322 to slide in the direction away from the first reference end face, thereby removing the force on the locking ball 6323 and causing the locking ball 6323 to retreat into the first mounting chamber; the locking column 631 is inserted into the third mounting chamber, and when the second reference end face contacts the first reference end face, the external gas circuit is disconnected, and the driving wedge block 6322 is pushed by the elastic thrust of the first elastic member 6324 to slide in the direction close to the first reference end face, thereby applying a force to the locking ball 6323, causing the locking ball 6323 to protrude from the first mounting chamber and be inserted into the locking groove 6311, thereby locking and fixing the locking column 631, thereby realizing rapid positioning and fixing of the support plate 62, thereby improving the positioning efficiency and positioning accuracy of the support plate 62 mounted on the positioning plate 61.

[0069] Preferably, the cleaning mechanism 64 includes a purging and cleaning device, which is used to continuously purge and clean the first reference end face and the second reference end face when the support plate 62 is clamped onto the positioning plate 61, so that the first reference end face and the second reference end face are kept clean, thereby preventing the accuracy deviation caused by residual particles on the first reference end face and the second reference end face, thereby improving the positioning accuracy of the positioning fixture 6, and further improving the positioning accuracy of the chamber to be processed.

[0070] Preferably, the purging and cleaning device includes an air connection chamber 6312, a first air blowing hole 6313, a second air blowing hole 6314 and a third air passage, wherein the third air passage is arranged on the seat body 6321, one end of the third gas passage is connected with the first gas passage, and the other end is connected with the third installation chamber; the air connection chamber 6312, the first air blowing hole 6313 and the second air blowing hole 6314 are all arranged on the locking column 631, the first air blowing hole 6313 and the second air blowing hole 6314 are both connected with the air connection chamber 6312, the first air blowing hole 6313 is used to purge the first reference end face to keep the first reference end face clean; the second air blowing hole 6314 is used to purge the second reference end face to keep the second reference end face clean;

[0071] During use, when the support plate 62 is mounted on the positioning plate 61, the locking column 631 is inserted into the third installation cavity for positioning and locking, and at the same time, compressed gas is filled into the gas connection cavity 6312 through the first gas passage and the third gas passage through the external gas path, and the first reference end face is purged through the first blowing hole 6313, and the second reference end face is purged through the second blowing hole 6314, so that when the support plate 62 is mounted on the positioning plate 61, the first reference end face and the second reference end face are continuously purged and cleaned at the same time, so that the first reference end face and the second reference end face are kept clean, thereby preventing the accuracy deviation caused by the residual particles on the first reference end face and the second reference end face, thereby improving the positioning accuracy of the positioning fixture 6; and when the support plate 62 is mounted on the positioning plate 61, there is no need for manual cleaning, which improves the assembly efficiency and the safety of manual operation.

[0072] Preferably, the first air hole 6313 is inclined toward the direction close to the first reference end face, that is, the first air hole 6313 is inclined toward the direction away from the second reference end face, so that the gas blown out of the first air hole 6313 can be concentrated toward the first reference end face, thereby improving the cleaning effect on the first reference end face; the second air hole 6314 is inclined toward the direction close to the second reference end face, so that the gas blown out of the second air hole 6314 can be concentrated toward the second reference end face, thereby improving the cleaning effect on the second reference end face, and at the same time, the second reference end face is continuously purged and cleaned, so that the second reference end face can be continuously kept clean, thereby improving the positioning accuracy of the contact between the second reference end face and the first reference end face.

[0073] Preferably, a plurality of the first air blowing holes 6313 are arranged in a circle, thereby increasing the blowing direction and increasing the blowing area of ​​the first reference end face, thereby achieving comprehensive blowing of the first reference end face and further improving the cleaning effect of the first reference end face.

[0074] Preferably, a plurality of the second air blowing holes 6314 are arranged in a circle, thereby increasing the blowing direction and increasing the blowing area of ​​the second reference end face, thereby achieving comprehensive blowing of the second reference end face and further improving the cleaning effect of the second reference end face.

[0075] Preferably, the first air holes 6313 are arranged in multiple rows, and the multiple rows of the first air holes 6313 can enable the locking column 631 to be inserted into the third installation cavity, and can continuously blow and clean the first reference end surface before the second reference end surface contacts the first reference end surface, so that the first reference end surface can be continuously kept clean.

[0076] Preferably, the cleaning mechanism 64 also includes a wiping cleaning device, which is used to wipe the first reference end face and the second reference end face, so as to further improve the cleanliness of the first reference end face and the second reference end face, thereby further improving the positioning accuracy of the first reference end face and the second reference end face, and further improving the positioning accuracy of the positioning fixture 6. The purging cleaning device and the wiping cleaning device work together to further improve the cleanliness of the first reference end face and the second reference end face.

[0077] Preferably, if Figure 6As shown, the wiping and cleaning device includes a driving sleeve 641, a supporting frame 642, a first wiping and cleaning component 643, a second wiping and cleaning component 644 and a linkage shaft 645, the driving sleeve 641 is provided with a limiting cavity 6411, the first wiping and cleaning component 643 includes a first cleaning block 6431, and the second wiping and cleaning component 644 includes a second cleaning block 6441; the driving sleeve 641 is sleeved on the seat body 6321, and can rotate along the axis of the seat body 6321 and slide up and down; the supporting frame 642 is installed in the limiting cavity 6411, and the limiting cavity 6411 is used to limit the relative rotation of the supporting frame 642 and the driving sleeve 641, so that the supporting frame 642 can rotate synchronously with the driving sleeve 641; the supporting frame 642 can also slide up and down in the limiting cavity 6411; the first wiping and cleaning component 643 is installed on the supporting frame 642, and can slide up and down along the axis of the supporting frame 642, and can also The support frame 642 rotates, and the first cleaning block 6431 keeps in contact with the first reference end face, and is used to wipe the first reference end face, so as to further improve the cleanliness of the first reference end face; the second wiping cleaning component 644 is installed on the support frame 642, and can also rotate with the support frame 642, and the second cleaning block 6441 keeps in contact with the second reference end face, and is used to wipe the second reference end face, so as to further improve the cleanliness of the second reference end face; the linkage shaft 645 is erected between the first wiping cleaning component 643 and the second wiping cleaning component 644, and is connected to the first wiping cleaning component 643 and the second wiping cleaning component 644, and is used to control the first cleaning block 6431 and the second cleaning block 6441 to move synchronously along the radial direction of the support frame 642, so that the first cleaning block 6431 can withdraw from the first reference end face, and the second cleaning block 6441 can withdraw from the second reference end face, so as to avoid interfering with the contact between the second reference end face and the first reference end face;

[0078] When in use, the supporting plate 62 is buckled onto the wiping and cleaning device so that the second reference end face contacts the second cleaning block 6441, and the first reference end face contacts the first cleaning block 6431, and downward pressure is applied to the supporting plate 62. The downward pressure applied to the supporting plate 62 is transmitted to the driving sleeve 641 through the second wiping and cleaning component 644 and the support frame 642. Under the action of the downward pressure, the driving sleeve 641 rotates and slides downward along the axis of the seat body 6321. The driving sleeve 641 rotates, driving the support frame 642 to rotate, thereby driving the first wiping and cleaning component 643 and the second wiping and cleaning component 644 to rotate, thereby controlling the first cleaning block 6431 to wipe the first reference end face, and the second cleaning block 6441 to wipe the second reference end face.

[0079] At the same time, since the first reference end face is in contact with the first cleaning block 6431, the first wiping cleaning component 643 is restricted from sliding downward, so that the first wiping cleaning component 643 and the second wiping cleaning component 644 can move relative to each other in the vertical direction, and then the linkage shaft 645 can be driven to rotate. The linkage shaft 645 rotates to control the first cleaning block 6431 and the second cleaning block 6441 to move synchronously along the radial direction of the driving sleeve 641, that is, before the first wiping cleaning component 643 and the second wiping cleaning component 644 come into contact, the first cleaning block 6431 is controlled to withdraw from the first reference end face, and the second cleaning block 6441 is controlled to withdraw from the second reference end face, so as to avoid interfering with the contact between the second reference end face and the first reference end face;

[0080] When the first wiping and cleaning component 643 and the second wiping and cleaning component 644 are in contact, the base body 6321, the drive sleeve 641, the support frame 642, the first wiping and cleaning component 643, the second wiping and cleaning component 644 and the linkage shaft 645 will be in a locked state to form a rigidly connected whole. In order to prevent the rigidly connected whole from hindering the contact between the second reference end face and the first reference end face, at this time, under the continuous action of the downward pressure, the support frame 642 slides into the limit cavity 6411 to achieve a retreat action, so that the second reference end face can contact the first reference end face to achieve precise positioning.

[0081] Preferably, a driving groove is further provided on the outer circumference of the seat body 6321, and the driving groove is spirally arranged.

[0082] Preferably, the driving sleeve 641 is also provided with a first protrusion 6412, which is arranged on the inner wall of the driving sleeve 641 and can be inserted into the driving groove and slide along the driving groove, so that the driving sleeve 641 can rotate along the axis of the seat body 6321 and slide up and down when the driving sleeve 641 is acted upon by external force.

[0083] Preferably, if Figure 7 As shown, the support frame 642 includes a support plate 6421, and the support plate 6421 is installed in the limiting cavity 6411 to limit the relative rotation of the support frame 642 and the driving sleeve 641, so that the support frame 642 can rotate synchronously with the driving sleeve 641; at the same time, the support plate 6421 can slide up and down in the limiting cavity 6411, so that when the first wiping and cleaning component 643 and the second wiping and cleaning component 644 are in contact, the support plate 6421 slides into the limiting cavity 6411 to achieve a retreat action, thereby ensuring that the second reference end face can contact the first reference end face to achieve precise positioning.

[0084] Preferably, the support frame 642 also includes a second elastic member 6422, one end of the second elastic member 6422 is fixedly connected to the support plate 6421, and the other end is fixedly installed in the limiting cavity 6411, and the second elastic member 6422 is used to apply an elastic thrust to the support plate 6421. When the downward pressure applied to the support frame 642 is removed, the support plate 6421 can be controlled to automatically return to its initial position, so that the first cleaning block 6431 can contact the first reference end surface.

[0085] Preferably, a ring seat sliding groove 6423 is provided on the support plate 6421, and the ring seat sliding groove 6423 extends in a vertical direction.

[0086] Preferably, if Figure 8 As shown, the first wiping cleaning component 643 also includes a first mounting ring seat 6432 and a first linkage ring 6433. The first cleaning block 6431 and the first linkage ring 6433 are both mounted on the first mounting ring seat 6432. The first cleaning block 6431 can slide radially along the first mounting ring seat 6432, and the first linkage ring 6433 can rotate circumferentially on the first mounting ring seat 6432. The first linkage ring 6433 is also connected to the first cleaning block 6431. Rotating the first linkage ring 6433 can control the first cleaning block 6431 to slide radially along the first mounting ring seat 6432. The first mounting ring seat 6432 is sleeved on the support plate 6421. The support plate 6421 can limit the rotation of the first mounting ring seat 6432 relative to the support frame 642, so that the first mounting ring seat 6432 can rotate synchronously with the support frame 642, and the first mounting ring seat 6432 can also slide up and down on the support plate 6421, so that the first cleaning block 6431 maintains contact with the first reference end face, thereby realizing the first cleaning block 6431 rotating to wipe the first reference end face, and can synchronously control the first cleaning block 6431 to move along the radial direction of the first mounting ring seat 6432 away from the axial direction of the first mounting ring seat 6432 until it exits the first reference end face, thereby ensuring that the second reference end face can contact the first reference end face to achieve precise positioning.

[0087] Preferably, a first cleaning end face and a first control groove are provided on the first cleaning block 6431, and the first cleaning end face is in contact with the first reference end face for wiping the first reference end face; and the first control groove is a vortex groove.

[0088] Preferably, a first cleaning block slide groove 64321 is provided on the first mounting ring seat 6432, and the first cleaning block slide groove 64321 extends radially of the first mounting ring seat 6432. The first cleaning block 6431 is installed in the first cleaning block slide groove 64321 and can slide radially of the first mounting ring seat 6432 in the first cleaning block slide groove 64321.

[0089] Preferably, a stop block 64322 is also provided on the first mounting ring seat 6432, and the stop block 64322 is arranged in the ring seat groove 6423 and can slide along the ring seat groove 6423. The ring seat groove 6423 can limit the relative rotation of the first mounting ring seat 6432 relative to the support frame 642, so that the first mounting ring seat 6432 can rotate synchronously with the support frame 642, and then the first cleaning block 6431 can be controlled to rotate to wipe the first reference end face, thereby further improving the cleanliness of the first reference end face, thereby improving the positioning accuracy of the positioning fixture 6.

[0090] Preferably, the first mounting ring seat 6432 is further provided with an avoidance hole 64323 and a second protrusion 64324 , and the second protrusion 64324 is located in the avoidance hole 64323 .

[0091] Preferably, the first linkage ring 6433 is provided with a first linkage tooth and a first control slide rail, and the first linkage tooth is arranged on the outer circumference of the first linkage ring 6433; the first control slide rail is arranged on the side of the first linkage ring 6433, and the first control slide rail is a scroll slide rail, and the first control slide rail can slide in the first control slide groove, thereby driving the first cleaning block 6431 to slide radially along the first mounting ring seat 6432.

[0092] Preferably, if Fig. 9 As shown, the second wiping cleaning assembly 644 also includes a second mounting ring seat 6442 and a second linkage ring 6443. The second cleaning block 6441 and the second linkage ring 6443 are both mounted on the second mounting ring seat 6442. The second cleaning block 6441 can slide radially along the second mounting ring seat 6442, and the second linkage ring 6443 can rotate circumferentially on the second mounting ring seat 6442. The second mounting ring seat 6442 is also connected to the second cleaning block 6441. Rotating the second mounting ring seat 6442 can control the second cleaning block 6441. 41 slides radially along the second mounting ring seat 6442; the second mounting ring seat 6442 is fixedly mounted on the support plate 6421, so that the second mounting ring seat 6442 can rotate synchronously with the support frame 642, so that the second cleaning block 6441 can rotate and wipe the second reference end face, and can synchronously control the second cleaning block 6441 to move along the radial direction of the second mounting ring seat 6442 away from the axial direction of the second mounting ring seat 6442 until it exits the second reference end face, thereby ensuring that the second reference end face can contact with the first reference end face to achieve precise positioning.

[0093] Preferably, the second cleaning block 6441 is provided with a second cleaning end face and a second control slide groove, the second cleaning end face is in contact with the second reference end face for wiping the second reference end face; the second control slide groove is a vortex slide groove.

[0094] Preferably, a second cleaning block slide groove 64421 is provided on the second mounting ring seat 6442, and the second cleaning block slide groove 64421 extends radially of the second mounting ring seat 6442. The second cleaning block 6441 is installed in the second cleaning block slide groove 64421 and can slide radially along the second mounting ring seat 6442 in the second cleaning block slide groove 64421.

[0095] Preferably, the second linkage ring 6443 is provided with a second linkage tooth and a second control slide rail, and the second linkage tooth is arranged on the outer circumference of the second linkage ring 6443; the second control slide rail is arranged on the side of the second linkage ring 6443, and the second control slide rail is a scroll slide rail, and the second control slide rail can slide in the second control slide groove, thereby driving the second cleaning block 6441 to slide radially along the second mounting ring seat 6442.

[0096] Preferably, one end of the linkage shaft 645 is rotatably connected to the first mounting ring seat 6432 , and the other end is passed through the avoidance hole 64323 , so that the linkage shaft 645 can move with the first mounting ring seat 6432 toward the first reference end surface.

[0097] Preferably, if Fig.10 As shown, the linkage shaft 645 is provided with shaft teeth 6451 and shaft grooves 6452, the first linkage teeth and the second linkage teeth are both meshed with the shaft teeth 6451, the shaft groove 6452 is spirally arranged, and the second protrusion 64324 is inserted into the shaft groove 6452 and can slide along the shaft groove 6452, so that the linkage shaft 645 can rotate simultaneously when it moves with the first mounting ring seat 6432 toward the first reference end face, thereby driving the first linkage ring 6433 and the second linkage ring 6443 to rotate synchronously, and then controlling the first cleaning block 6431 to move along the radial direction of the first mounting ring seat 6432 toward the axial direction away from the first mounting ring seat 6432 until it exits the first reference end face, and synchronously controlling the second cleaning block 6431 to move along the radial direction of the second mounting ring seat 6442 toward the axial direction away from the second mounting ring seat 6442 until it exits the second reference end face, thereby ensuring that the second reference end face can contact the first reference end face to achieve precise positioning.

[0098] Preferably, the wiping and cleaning device also includes a third elastic member 646, and the third elastic member 646 is sleeved on the seat body 6321. One end of the third elastic member 646 is fixedly connected to the seat body 6321, and the other end is rotatably connected to the driving sleeve 641. The third elastic member 646 is used to always apply an elastic thrust to the driving sleeve 641. When the downward pressure on the wiping and cleaning device is removed, the driving sleeve 641 is pushed to rotate and slide upward along the axis of the seat body 6321 under the action of the elastic thrust of the third elastic member 646, so that the driving sleeve 641 returns to its initial position, and at the same time drives the second wiping and cleaning component 644 to return to its initial state.

[0099] Preferably, the wiping and cleaning device also includes a fourth elastic member (not shown in the figure), which is sleeved on the support frame 642, and one end of the fourth elastic member is connected to the first mounting ring seat 6432, and the other end is connected to the second mounting ring seat 6442. The fourth elastic member is used to always apply an elastic thrust to the first mounting ring seat 6432. When the downward pressure on the wiping and cleaning device is removed and the second wiping and cleaning component 644 is restored to its initial state, the first wiping and cleaning component 643 is simultaneously pushed to restore to its initial state by the elastic thrust of the fourth elastic member.

[0100] Preferably, the first elastic member 6324 , the second elastic member 6422 , the third elastic member 646 and the fourth elastic member are all springs.

[0101] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. A method for processing thin-walled cabin sections, characterized in that: The following steps are involved: Step S1: Install the clamping tool on the machine tool workbench; Step S2: The cabin section to be processed is mounted on a clamping fixture so that the cabin section to be processed and the clamping fixture form a rigid whole; Step S3: Processing the inner cavity surface of the cabin section to be processed.

2. A method for processing a thin-walled cabin section according to claim 1, characterized in that: The clamping tool is installed on the machine tool workbench, specifically comprising: installing a positioning plate (61) on the machine tool workbench, and positioning the positioning plate (61) so that the zero point of the positioning plate (61) coincides with the zero point of the machine tool workbench.

3. A method for processing a thin-walled cabin section according to claim 1, characterized in that: The chamber section to be processed is installed on the clamping tool, specifically comprising: according to the size of the chamber section to be processed, installing the first fixture (1), the second fixture (2), the first stabilizer (3), the second stabilizer (4) and the turntable mechanism (5) on the supporting plate (62).

4. A method for processing a thin-walled cabin section according to claim 3, characterized in that: The cabin section to be processed is installed on the clamping tool, which specifically includes: inserting the cabin section to be processed on the turntable mechanism (5), and fixing the cabin section to be processed on the turntable mechanism (5) by a first fixer (1) and a second fixer (2).

5. A method for processing a thin-walled cabin section according to claim 4, characterized in that: The cabin section to be processed is installed on the clamping tool, which specifically includes: connecting the first stabilizer (3) and the second stabilizer (4) to the first fixer (1) and the second fixer (2) respectively to support the two ends of the cabin section to be processed.

6. A method for processing a thin-walled cabin section according to claim 5, characterized in that: The chamber section to be processed is installed on the clamping fixture, which specifically includes: adjusting the zero point of the chamber section to be processed so that the zero point of the chamber section to be processed coincides with the supporting plate (62).

7. A method for processing a thin-walled cabin section according to claim 6, characterized in that: The chamber section to be processed is installed on the clamping fixture, which specifically includes: loading the supporting plate (62) on which the chamber section to be processed is installed onto the positioning plate (61).

8. A method for processing a thin-walled cabin section according to claim 1, characterized in that: The processing of the inner cavity profile of the cabin section to be processed specifically includes: adjusting the machine tool tool and aligning it, starting the turntable mechanism (5) to drive the cabin section to be processed to rotate, first processing the inner cavity at one end of the cabin section, and after the processing is completed, rotating the machine tool worktable 180 degrees, and continuing to process the inner cavity at the other end of the cabin section until the processing is completed.

9. A method for processing a thin-walled cabin section according to any one of claims 1 to 8, characterized in that: The clamping tool comprises a positioning fixture (6).

10. A method for processing a thin-walled cabin section according to claim 9, characterized in that: The positioning fixture (6) is used to perform zero-point positioning on the chamber to be processed.

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