Clamping tool for machining inner cavity of large-size cabin

Abstract

The invention relates to a clamping tool for machining an inner cavity of a large-size cabin, belongs to the technical field of machining, and solves the problems that in the prior art, clamping of the large-size cabin is not stable, machining vibration is large, and the machining precision is affected. The device comprises a first clamping unit, a second clamping unit and a hollow rotary table unit, wherein the hollow rotary table unit can be arranged on a to-be-machined cabin in a sleeving manner; the first clamping unit and the second clamping unit are both connected with the hollow rotary table unit, the first clamping unit is used for fixing one end of a to-be-machined cabin to the hollow rotary table unit, the second clamping unit is used for fixing the other end of the to-be-machined cabin to the hollow rotary table unit, and the hollow rotary table unit is used for driving the to-be-machined cabin to rotate. The to-be-machined cabin is fixed to the hollow rotary table unit, so that the to-be-machined cabin and the hollow rotary table unit form a rigid whole, the clamping stability of the to-be-machined cabin 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 clamping tool for machining a large-sized cabin inner cavity. Background Art

[0002] Large-sized thin-walled cabin parts: Due to the thin-walled structure and poor cabin rigidity, vibration is easily generated when processing the inner cavity. The cutting force generated during the cutting process causes the thin-walled structure to deform under the action of the cutting force, and the processing accuracy cannot be guaranteed. Summary of the invention

[0003] In view of the above analysis, the present invention aims to provide a clamping tool for processing the inner cavity of a large-sized cabin, so as to solve the problems in the prior art of unstable clamping of large-sized cabins, large processing vibration, and affected processing accuracy.

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

[0005] A clamping tool for processing the inner cavity of a large-sized cabin, comprising a first clamping unit, a second clamping unit and a hollow turntable unit, wherein the hollow turntable unit can be mounted on the cabin body to be processed; the first clamping unit and the second clamping unit are arranged on both sides of the hollow turntable unit and are connected to the hollow turntable unit, the first clamping unit is used to install and fix one end of the cabin body to be processed on the hollow turntable unit, and the second clamping unit is used to install and fix the other end of the cabin body to be processed on the hollow turntable unit, and the hollow turntable unit is used to drive the cabin body to be processed to rotate.

[0006] Furthermore, the hollow turntable unit includes an outer shell, a turntable body and a driving motor. The turntable body is inserted into the outer shell and is rotatably connected to the outer shell. The driving motor is connected to the turntable body and is used to drive the turntable body to rotate.

[0007] Furthermore, the first clamping unit includes a first flange and a first pull rod, the first flange is fixedly connected to one end of the cabin to be processed; one end of the first pull rod is fixedly connected to the first flange, and the other end is fixedly connected to the turntable body.

[0008] Furthermore, the second clamping unit includes a second flange and a second pull rod, the second flange is fixedly connected to the other end of the cabin to be processed; one end of the second pull rod is fixedly connected to the second flange, and the other end is fixedly connected to the turntable body.

[0009] Furthermore, the clamping tool further includes a first supporting unit and a second supporting unit, the first supporting unit is used to support the first flange, and the second supporting unit is used to support the second flange.

[0010] Furthermore, the first supporting unit includes a first supporting frame and a first supporting roller, the first supporting frame is connected to the machine tool worktable, and the first supporting roller is installed on the first supporting frame for supporting the first flange.

[0011] Furthermore, the second supporting unit includes a second supporting frame and a second supporting roller, the second supporting frame is connected to the machine tool worktable, and the second supporting roller is installed on the first supporting frame for supporting the second flange.

[0012] Furthermore, the first pull rod and the second pull rod are both provided in plurality; and the first support roller and the second support roller are both provided in plurality of groups.

[0013] Furthermore, a positioning unit is also included.

[0014] Furthermore, the positioning unit is used to quickly perform zero-point positioning on the cabin to be processed.

[0015] The technical solution of the present invention can achieve at least one of the following effects:

[0016] (1) The present invention provides a clamping tool for processing the inner cavity of a large-sized cabin body, including a first clamping unit, a second clamping unit and a hollow turntable unit, wherein the hollow turntable unit can be mounted on the cabin body to be processed; the first clamping unit and the second clamping unit are arranged on both sides of the hollow turntable unit and are connected to the hollow turntable unit, the first clamping unit is used to install and fix one end of the cabin body to be processed on the hollow turntable unit, and the second clamping unit is used to install and fix the other end of the cabin body to be processed on the hollow turntable unit, and the hollow turntable unit is used to drive the cabin body to be processed to rotate; the present invention installs and fixes the two ends of the cabin body to be processed on the hollow turntable unit respectively through the first clamping unit and the second clamping unit, so that the first clamping unit, the second clamping unit, the hollow turntable unit and the cabin body to be processed form a rigid whole, thereby improving the clamping stability of the cabin body to be processed, preventing vibration during the processing of the inner cavity of the cabin body to be processed, and thereby improving the processing accuracy.

[0017] (2) The present invention also sets a first support unit and a second support unit, wherein the first support unit includes a first support frame and a first support roller, the first support roller is installed on the first support frame, and the first support roller is provided in two groups for supporting the first flange; the second support unit includes a second support frame and a second support roller, the second support roller is installed on the first support frame, and the second support roller is provided in two groups for supporting the second flange; the present invention supports both ends of the chamber body to be processed through the first support unit and the second support unit, further improves the stability of clamping the chamber body to be processed, and can further prevent the chamber body to be processed from vibrating and deforming during the inner cavity processing process, thereby further improving the processing accuracy of the chamber body to be processed.

[0018] (3) The present invention is also provided with a positioning unit, including a motherboard, a daughter board, a positioning and fixing component and a cleaning component, wherein the positioning and fixing component is arranged on the motherboard, and the positioning and fixing component is used to position the daughter board when installing it to the motherboard; the positioning and fixing component includes a first positioning end face and a second positioning end face, the second positioning end face is arranged opposite to the first positioning end face, and the second positioning end face can contact with the first positioning end face; the cleaning component is installed on the positioning and fixing component, and is used to clean the first positioning end face and the second positioning end face, so that the first positioning end face and the second positioning end face are kept clean, thereby preventing the accuracy deviation caused by the particles remaining on the first positioning end face and the second positioning end face, which can not only ensure the installation accuracy of the daughter board and the motherboard to improve the positioning accuracy of the cabin to be processed, but also improve the cleaning efficiency of the positioning unit, 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.

[0019] (4) The cleaning component of the present invention includes an air blowing cleaning mechanism, which includes a connecting cavity, a first blowing hole, a second blowing hole and a third air path, one end of the third air path is connected to the external air path, and the other end is connected to the third cavity; the connecting cavity, the first blowing hole and the second blowing hole are all arranged on the fastening column, the first blowing hole and the second blowing hole are both connected to the connecting cavity, the first blowing hole is used to blow the first positioning end face to keep the first positioning end face clean; the second blowing hole is used to blow the second positioning end face to keep the second positioning end face clean; the first positioning end face and the second positioning end face are continuously blown and cleaned by the air blowing cleaning mechanism to keep the first positioning end face and the second positioning end face clean, thereby preventing the accuracy deviation caused by the particles remaining on the first positioning end face and the second positioning end face, which can not only ensure the installation accuracy of the daughter board and the mother board to improve the positioning accuracy of the cabin to be processed, but also improve the cleaning efficiency of the positioning unit, and at the same time avoid the safety hazards caused by the workers' operating errors and prevent the workers from being injured.

[0020] (5) The cleaning assembly of the present invention is also provided with a wiping mechanism, which includes a rotating sleeve, a mounting frame, a first wiping device and a second wiping device, wherein the first wiping device includes a first wiping block, and the second wiping device includes a second wiping block; the rotating sleeve is arranged on the fixed seat, and can rotate along the axis of the fixed seat and slide up and down; the mounting frame is installed on the rotating sleeve, and can rotate synchronously with the rotating sleeve; the first wiping device is installed on the mounting frame, and can slide up and down along the axis of the mounting frame, and can also rotate with the mounting frame, the first wiping block keeps in contact with the first positioning end face, and is used to wipe the first positioning end face; the second wiping device is installed on the mounting frame, and can also rotate with the mounting frame, the second wiping block keeps in contact with the second positioning end face, and is used to wipe the second positioning end face; the rotating sleeve rotates, driving the mounting frame to rotate, thereby driving the first wiping device and the second wiping device to rotate, thereby realizing controlling the first wiping block to wipe the first positioning end face, and controlling the second wiping block to wipe the second positioning end face, thereby further improving the cleanliness of the first positioning end face and the second positioning end face, and further improving the positioning accuracy.

[0021] 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

[0022] The drawings are only for the purpose of illustrating specific embodiments and are not to be considered limiting of the present invention. Like reference symbols denote like components throughout the drawings.

[0023] Figure 1 This is a schematic structural diagram of a clamping tool according to Embodiment 1 of the present invention;

[0024] Figure 2 This is a schematic structural diagram of a first supporting unit according to Embodiment 1 of the present invention;

[0025] Figure 3 This is a schematic structural diagram of a second supporting unit according to Embodiment 1 of the present invention;

[0026] Figure 4 This is a schematic structural diagram of a clamping tool according to Embodiment 2 of the present invention;

[0027] Figure 5 This is a schematic structural diagram of a fastening column according to Embodiment 2 of the present invention;

[0028] Figure 6 is a cross-sectional view of a positioning and fixing mechanism according to Embodiment 2 of the present invention;

[0029] Figure 7 An exploded view of the wiping mechanism of Embodiment 2 of the present invention;

[0030] Figure 8 This is a schematic structural diagram of a mounting frame according to Embodiment 2 of the present invention;

[0031] Fig. 9 An exploded view of a first wiping device according to Embodiment 2 of the present invention;

[0032] Fig.10 An exploded view of a second wiping device according to Embodiment 2 of the present invention;

[0033] Fig.11 Schematic diagram of the structure of the transmission rod of embodiment 2 of the present invention.

[0034] Reference numerals:

[0035] 1. First clamping unit; 11. First flange; 12. First pull rod; 2. Second clamping unit; 21. Second flange; 22. Second pull rod; 3. First support unit; 31. First support frame; 32. First support roller; 4. Second support unit; 41. Second support frame; 42. Second support roller; 5. Hollow turntable unit; 51. Shell; 52. Turntable body; 6. Positioning unit; 61. Motherboard; 62. Daughterboard; 63. Positioning and fixing assembly; 631. Fastening column; 6311. Fastening groove; 6312. Connecting cavity; 6313. First blowing hole; 6314. Second blowing hole; 632. Positioning and fixing mechanism; 6321. Fixed seat; 6322. Fastening wedge; 6323. Positioning ball; 6324. First spring; 6325. Control cavity; 64. Cleaning assembly; 641. Rotating sleeve; 6411. Limiting groove; 6412. First protrusion; 642. Mounting frame; 6421. Limiting plate; 6422. Second spring; 6423. Limiting slide groove of ring seat; 643. First wiping device; 6431. First wiping block; 6432. First ring seat; 64321. Limiting slide groove of first wiping block; 64322. Stop-rotation limiting slider; 64323. Avoidance hole; 64324. Second protrusion; 6433. First follower ring; 644. Second wiping device; 6441. Second wiping block; 6442. Second ring seat; 64421. Limiting slide groove of second wiping block; 6443. Second follower ring; 645. Transmission rod; 6451. Driving tooth; 6452. Second slide groove; 646. Third spring. DETAILED DESCRIPTION

[0036] 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.

[0037] Example 1

[0038] In a specific embodiment of the present invention, a clamping tool for processing a large-sized cabin inner cavity is disclosed, which is used to clamp the cabin body to be processed; Figure 1 As shown, the clamping tooling includes a first clamping unit 1, a second clamping unit 2 and a hollow turntable unit 5, and the hollow turntable unit 5 can be mounted on the cabin body to be processed; the first clamping unit 1 and the second clamping unit 2 are arranged on both sides of the hollow turntable unit 5 and are connected to the hollow turntable unit 5, the first clamping unit 1 is used to install and fix one end of the cabin body to be processed on the hollow turntable unit 5, and the second clamping unit 2 is used to install and fix the other end of the cabin body to be processed on the hollow turntable unit 5, and the hollow turntable unit 5 is used to drive the cabin body to be processed to rotate; compared with the prior art, the two ends of the cabin body to be processed are respectively installed and fixed on the hollow turntable unit 5 by the first clamping unit 1 and the second clamping unit 2, so that the first clamping unit 1, the second clamping unit 2, the hollow turntable unit 5 and the cabin body to be processed form a rigid whole, thereby improving the clamping stability of the cabin body to be processed, preventing vibration during the processing of the inner cavity of the cabin body to be processed, and thereby improving the processing accuracy.

[0039] Preferably, the hollow turntable unit 5 includes an outer shell 51, a turntable body 52 and a driving motor, wherein the outer shell 51 is used to be connected to a machine tool worktable; the turntable body 52 is passed through the outer shell 51 and is rotatably connected to the outer shell 51; the driving motor is installed on the outer shell 51 and is connected to the turntable body 52, and is used to drive the turntable body 52 to rotate.

[0040] Preferably, the turntable body 52 has a hollow cavity, and the hollow cavity can allow the cabin to be processed to pass through.

[0041] Preferably, the first clamping unit 1 includes a first flange 11 and a first pull rod 12, the first flange 11 is fixedly connected to one end of the chamber to be processed; one end of the first pull rod 12 is fixedly connected to the first flange 11, and the other end is fixedly connected to the turntable body 52; one end of the chamber to be processed can be fixedly connected to the turntable body 52 through the first pull rod 12 and the first flange 11, the first pull rod 12 can not only provide stable support for the chamber to be processed, but also make the chamber to be processed and the turntable body 52 form a rigid whole, thereby achieving stable clamping, avoiding vibration during the processing of the inner cavity of the chamber to be processed, and thereby improving the processing accuracy.

[0042] Preferably, the second clamping unit 2 includes a second flange 21 and a second pull rod 22, and the second flange 21 is fixedly connected to the other end of the chamber to be processed; one end of the second pull rod 22 is fixedly connected to the second flange 21, and the other end is fixedly connected to the turntable body 52; one end of the chamber to be processed can be fixedly connected to the turntable body 52 through the second pull rod 22 and the second flange 21, and the second pull rod 22 can not only provide stable support for the chamber to be processed, but also make the chamber 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 chamber to be processed, thereby improving the processing accuracy.

[0043] When in use, the cabin to be processed is passed through the hollow cavity of the turntable body 52, the first flange 11 is fixedly connected to one end of the cabin to be processed, one end of the first pull rod 12 is fixedly connected to the first flange 11, and the other end is fixedly connected to the turntable body 52; the second flange 21 is fixedly connected to the other end of the cabin to be processed, one end of the second pull rod 22 is fixedly connected to the second flange 21, and the other end is fixedly connected to the turntable body 52; the cabin to be processed and the turntable body 52 are fixedly connected by the first pull rod 12 and the first flange 11 as well as the second pull rod 22 and the second flange 21, so that the cabin 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 to be processed, and thereby improve the processing accuracy.

[0044] Preferably, a plurality of the first tie rods 12 are arranged uniformly around the circumference; a plurality of the second tie rods 22 are arranged uniformly around the circumference; by uniformly arranging the plurality of first tie rods 12 and the plurality of second tie rods 22, the force on the cabin to be processed can be evenly applied, and the connection stiffness between the cabin to be processed and the turntable body 52 can be further improved, thereby improving the stability of the clamping of the cabin to be processed, preventing the cabin to be processed from vibrating and deforming during the inner cavity processing process, thereby improving the processing accuracy of the cabin to be processed.

[0045] Preferably, the clamping tool also includes a first support unit 3 and a second support unit 4, the first support unit 3 is used to support the first flange 11, and the second support unit 4 is used to support the second flange 21, so as to support both ends of the cabin body to be processed, so as to further improve the stability of the clamping of the cabin body to be processed, further prevent the cabin body to be processed from vibrating and deforming during the inner cavity processing process, thereby further improving the processing accuracy of the cabin body to be processed.

[0046] Preferably, if Figure 2As shown, the first support unit 3 includes a first support frame 31 and a first support roller 32. The first support frame 31 is used to connect to the machine tool worktable. The first support roller 32 is installed on the first support frame 31. Two groups of the first support rollers 32 are provided to support the first flange 11, thereby improving the stability of the support for the cabin to be processed.

[0047] Preferably, if Figure 3 As shown, the second support unit 4 includes a second support frame 41 and a second support roller 42. The second support frame 41 is used to connect to the machine tool worktable. The second support roller 42 is installed on the first support frame 31. Two groups of the second support rollers 42 are provided to support the second flange 21, thereby improving the stability of the support for the cabin to be processed.

[0048] Example 2

[0049] For further improvement based on Example 1, Figure 4 As shown, the clamping tool also includes a positioning unit 6, and the positioning unit 6 is used to quickly perform zero-point positioning on the processing cabin body; the first clamping unit 1, the second clamping unit 2, the first support unit 3, the second support unit 4 and the hollow turntable unit 5 are all installed on the positioning unit 6, and are installed on the machine tool workbench through the positioning unit 6, so as to quickly perform zero-point positioning on the processing cabin body.

[0050] Preferably, the positioning unit 6 includes a motherboard 61, a sub-board 62, a positioning and fixing component 63 and a cleaning component 64. The motherboard 61 can be mounted on a machine tool workbench, and the sub-board 62 is used to install the first clamping unit 1, the second clamping unit 2, the first support unit 3, the second support unit 4 and the hollow turntable unit 5; the positioning and fixing component 63 is arranged on the motherboard 61, and is used to quickly and accurately position the sub-board 62 when the sub-board 62 is installed on the motherboard 61, so as to maintain the positioning accuracy of the sub-board 62, thereby performing zero-point positioning on the processing cabin; the cleaning component 64 is installed on the positioning and fixing component 63, and is used to clean the positioning and fixing component 63 to ensure the installation accuracy of the sub-board 62 and the motherboard 61.

[0051] Preferably, a first gas path is provided on the motherboard 61 , and the first gas path is connected to an external gas path.

[0052] Preferably, the positioning and fixing component 63 includes a first positioning end face, a second positioning end face, a fastening column 631 and a positioning and fixing mechanism 632, the first positioning end face is arranged on the positioning and fixing mechanism 632, and the positioning and fixing mechanism 632 is arranged on the motherboard 61; the second positioning end face and the fastening column 631 are both arranged on the sub-plate 62; the second positioning end face is arranged opposite to the first positioning end face, and the second positioning end face can contact the first positioning end face, so that when the sub-plate 62 is clamped on the motherboard 61, it is used to position the sub-plate 62 so that the upper mounting surface of the sub-plate 62 remains parallel to the table surface of the machine tool workbench; the fastening column 631 is located on the second positioning end face and can be inserted into the positioning and fixing mechanism 632, and the positioning and fixing mechanism 632 is used to position and lock the inserted fastening column 631, so as to realize rapid positioning and fixing of the sub-plate 62, and then realize rapid positioning of the workpiece to be processed installed on the sub-plate 62, thereby improving the positioning efficiency and positioning accuracy.

[0053] Preferably, if Figure 5 As shown, the fastening column 631 is provided with a fastening groove 6311 , and the fastening groove 6311 is an arc-shaped groove, and the fastening groove 6311 is circumferentially arranged on the cylindrical surface of the fastening column 631 .

[0054] Preferably, if Figure 6 As shown, the positioning and fixing mechanism 632 includes a fixing seat 6321, a fastening wedge 6322, a positioning ball 6323, a first spring 6324 and a control cavity 6325. One end of the fixing seat 6321 is fixedly connected to the motherboard 61, and the other end is a first positioning end face; the fixing seat 6321 is provided with a first cavity, a second cavity, a third cavity and a second air path, the third cavity is used to insert the fastening column 631 and position the fastening column 631; the first cavity is connected to the second cavity, the positioning ball 6323 is arranged in the first cavity, and can protrude or retreat into the first cavity, and the positioning ball 6323 is used to fasten the fastening column 631 The fastening wedge 6322 is arranged in the second cavity and can slide in the second cavity, and is used to control the positioning ball 6323 to protrude or retreat into the first cavity, so as to realize the locking and fixing of the fastening column 631 and the unlocking and fixing; the first spring 6324 is arranged in the second cavity, one end of which is connected to the second cavity, and the other end is connected to the fastening wedge 6322, and the first spring 6324 is used to always apply elastic thrust to the fastening wedge 6322; the control cavity 6325 is surrounded by the fastening wedge 6322 and the second cavity, and the control cavity 6325 is connected to one end of the second gas path, and the other end of the second gas path is connected to the first gas path;

[0055] When in use, compressed gas is filled into the control chamber 6325 through the external air circuit via the first air circuit and the second air circuit, and the control chamber 6325 expands, pushing the fastening wedge block 6322 to slide in the direction away from the first positioning end face, thereby removing the force on the positioning ball 6323 and causing the positioning ball 6323 to retreat into the first cavity; the fastening column 631 is inserted into the third cavity, and when the second positioning end face contacts the first positioning end face, the external air circuit is disconnected, and the fastening wedge block 6322 is pushed by the elastic thrust of the first spring 6324 to slide in the direction close to the first positioning end face, thereby applying a force on the positioning ball 6323, causing the positioning ball 6323 to protrude from the first cavity and be inserted into the fastening groove 6311, and the fastening column 631 is locked and fixed, thereby realizing rapid positioning and fixing of the sub-board 62, thereby improving the positioning efficiency and positioning accuracy of the sub-board 62 mounted on the motherboard 61.

[0056] Preferably, the cleaning component 64 includes an air blowing cleaning mechanism, which is used to continuously blow and clean the first positioning end face and the second positioning end face when the daughter board 62 is mounted on the mother board 61, so that the first positioning end face and the second positioning end face are kept clean, thereby preventing the accuracy deviation caused by residual particles on the first positioning end face and the second positioning end face, thereby improving the positioning accuracy of the positioning unit 6, and further improving the positioning accuracy of the chamber to be processed.

[0057] Preferably, the air blowing cleaning mechanism comprises a connecting cavity 6312, a first blowing hole 6313, a second blowing hole 6314 and a third air path, wherein the third air path is arranged on the fixing seat 6321, one end of the third air path is connected with the first air path, and the other end is connected with the third cavity; the connecting cavity 6312, the first blowing hole 6313 and the second blowing hole 6314 are all arranged on the fastening column 631, the first blowing hole 6313 and the second blowing hole 6314 are both connected with the connecting cavity 6312, the first blowing hole 6313 is used to blow the first positioning end face to keep the first positioning end face clean; the second blowing hole 6314 is used to blow the second positioning end face to keep the second positioning end face clean;

[0058] During use, when the sub-board 62 is mounted on the motherboard 61, the fastening column 631 is inserted into the third cavity for positioning and locking, and at the same time, compressed gas is filled into the connecting cavity 6312 through the first gas path and the third gas path through the external gas path, and the first positioning end face is purged through the first blowing hole 6313, and the second positioning end face is purged through the second blowing hole 6314, so that when the sub-board 62 is mounted on the motherboard 61, the first positioning end face and the second positioning end face are continuously purged and cleaned at the same time, so that the first positioning end face and the second positioning end face are kept clean, thereby preventing the accuracy deviation caused by the residual particles on the first positioning end face and the second positioning end face, thereby improving the positioning accuracy of the positioning unit 6; and when the sub-board 62 is mounted on the motherboard 61, there is no need for manual cleaning, which improves the assembly efficiency and the safety of manual operation.

[0059] Preferably, the first blowing hole 6313 is inclined toward the direction close to the first positioning end face, that is, the first blowing hole 6313 is inclined toward the direction away from the second positioning end face, so that the gas blown out of the first blowing hole 6313 can be concentrated toward the first positioning end face, thereby improving the cleaning effect of the first positioning end face; the second blowing hole 6314 is inclined toward the direction close to the second positioning end face, so that the gas blown out of the second blowing hole 6314 can be concentrated toward the second positioning end face, thereby improving the cleaning effect of the second positioning end face, and at the same time continuously blowing and cleaning the second positioning end face, so that the second positioning end face can be continuously kept clean, thereby improving the positioning accuracy of the contact between the second positioning end face and the first positioning end face.

[0060] Preferably, a plurality of the first blowing holes 6313 are arranged circumferentially, thereby increasing the blowing direction and simultaneously increasing the blowing area of ​​the first positioning end face, thereby achieving comprehensive blowing of the first positioning end face and further improving the cleaning effect of the first positioning end face.

[0061] Preferably, a plurality of the second blowing holes 6314 are arranged circumferentially, thereby increasing the blowing direction and simultaneously increasing the blowing area of ​​the second positioning end face, thereby achieving comprehensive blowing of the second positioning end face and further improving the cleaning effect of the second positioning end face.

[0062] Preferably, the first blowing holes 6313 are arranged in multiple rows, and the multiple rows of the first blowing holes 6313 can enable the fastening column 631 to be inserted into the third cavity, and can continuously blow and clean the first positioning end face before the second positioning end face contacts the first positioning end face, so that the first positioning end face can be continuously kept clean.

[0063] Preferably, the cleaning component 64 also includes a wiping mechanism, which is used to wipe the first positioning end face and the second positioning end face, so as to further improve the cleanliness of the first positioning end face and the second positioning end face, thereby further improving the positioning accuracy of the first positioning end face and the second positioning end face, and further improving the positioning accuracy of the positioning unit 6. The air blowing cleaning mechanism and the wiping mechanism work together to further improve the cleanliness of the first positioning end face and the second positioning end face.

[0064] Preferably, if Figure 7 As shown, the wiping mechanism includes a rotating sleeve 641, a mounting frame 642, a first wiping device 643, a second wiping device 644 and a transmission rod 645, the rotating sleeve 641 is provided with a limiting groove 6411, the first wiping device 643 includes a first wiping block 6431, and the second wiping device 644 includes a second wiping block 6441; the rotating sleeve 641 is sleeved on the fixed seat 6321, and can rotate along the axis of the fixed seat 6321 and slide up and down; the mounting frame 642 is installed in the limiting groove 6411, and the limiting groove 6411 is used to limit the relative rotation of the mounting frame 642 and the rotating sleeve 641, so that the mounting frame 642 can rotate synchronously with the rotating sleeve 641; the mounting frame 642 can also slide up and down in the limiting groove 6411; the first wiping device 643 is installed on the mounting frame 642, and can slide up and down along the axis of the mounting frame 642, and can also slide with the mounting frame 6321 The mounting frame 642 rotates, and the first wiping block 6431 keeps in contact with the first positioning end surface, and is used to wipe the first positioning end surface, so as to further improve the cleanliness of the first positioning end surface; the second wiping device 644 is installed on the mounting frame 642, and can also rotate with the mounting frame 642, and the second wiping block 6441 keeps in contact with the second positioning end surface, and is used to wipe the second positioning end surface, so as to further improve the cleanliness of the second positioning end surface; the transmission rod 645 is erected between the first wiping device 643 and the second wiping device 644, and is connected to the first wiping device 643 and the second wiping device 644, and is used to control the first wiping block 6431 and the second wiping block 6441 to move synchronously along the radial direction of the mounting frame 642, so that the first wiping block 6431 can withdraw from the first positioning end surface, and the second wiping block 6441 can withdraw from the second positioning end surface, so as to avoid interfering with the contact between the second positioning end surface and the first positioning end surface;

[0065] When in use, the sub-plate 62 is buckled onto the wiping mechanism so that the second positioning end face contacts the second wiping block 6441, and the first positioning end face contacts the first wiping block 6431, and downward pressure is applied to the sub-plate 62. The downward pressure applied to the sub-plate 62 is transmitted to the rotating sleeve 641 through the second wiping device 644 and the mounting frame 642. The rotating sleeve 641 rotates and slides downward along the axis of the fixed seat 6321 under the action of the downward pressure. The rotating sleeve 641 rotates, driving the mounting frame 642 to rotate, thereby driving the first wiping device 643 and the second wiping device 644 to rotate, thereby controlling the first wiping block 6431 to wipe the first positioning end face, and the second wiping block 6441 to wipe the second positioning end face.

[0066] At the same time, since the first positioning end surface is in contact with the first wiping block 6431, the first wiping device 643 is restricted from sliding downward, so that the first wiping device 643 and the second wiping device 644 can move relative to each other in the vertical direction, and then the transmission rod 645 can be driven to rotate. The transmission rod 645 rotates to control the first wiping block 6431 and the second wiping block 6441 to move synchronously along the radial direction of the rotating sleeve 641, that is, before the first wiping device 643 and the second wiping device 644 come into contact, the first wiping block 6431 is controlled to withdraw from the first positioning end surface, and the second wiping block 6441 is controlled to withdraw from the second positioning end surface, so as to avoid interfering with the contact between the second positioning end surface and the first positioning end surface;

[0067] When the first wiping device 643 and the second wiping device 644 are in contact, the fixed seat 6321, the rotating sleeve 641, the mounting frame 642, the first wiping device 643, the second wiping device 644 and the transmission rod 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 positioning end face and the first positioning end face, at this time, under the continuous action of the downward pressure, the mounting frame 642 slides into the limiting groove 6411 to achieve a retreat action, so that the second positioning end face can contact the first positioning end face to achieve precise positioning.

[0068] Preferably, a first sliding groove is further provided on the outer circumference of the fixing seat 6321, and the first sliding groove is spirally arranged.

[0069] Preferably, the rotating sleeve 641 is also provided with a first protrusion 6412, which is arranged on the inner wall of the rotating sleeve 641 and can be inserted into the first slide groove and slide along the first slide groove, so that the rotating sleeve 641 can rotate along the axis of the fixed seat 6321 and slide up and down when subjected to external force.

[0070] Preferably, if Figure 8As shown, the mounting frame 642 includes a limit plate 6421, and the limit plate 6421 is installed in the limit groove 6411 to limit the relative rotation of the mounting frame 642 and the rotating sleeve 641, so that the mounting frame 642 can rotate synchronously with the rotating sleeve 641; at the same time, the limit plate 6421 can slide up and down in the limit groove 6411, so that when the first wiping device 643 and the second wiping device 644 are in contact, the limit plate 6421 slides into the limit groove 6411 to achieve a retreat action, thereby ensuring that the second positioning end face can contact the first positioning end face to achieve precise positioning.

[0071] Preferably, the mounting frame 642 also includes a second spring 6422, one end of the second spring 6422 is fixedly connected to the limiting plate 6421, and the other end is fixedly installed in the limiting groove 6411, and the second spring 6422 is used to apply an elastic thrust to the limiting plate 6421. When the downward pressure applied to the mounting frame 642 is removed, the limiting plate 6421 can be controlled to automatically return to its initial position, so that the first wiping block 6431 can contact the first positioning end face.

[0072] Preferably, a ring seat limiting groove 6423 is provided on the limiting plate 6421, and the ring seat limiting groove 6423 extends in the vertical direction.

[0073] Preferably, if Fig. 9 As shown, the first wiping device 643 also includes a first ring seat 6432 and a first follower ring 6433, the first wiping block 6431 and the first follower ring 6433 are both installed on the first ring seat 6432, the first wiping block 6431 can slide along the radial direction of the first ring seat 6432, and the first follower ring 6433 can rotate in a circle on the first ring seat 6432; the first follower ring 6433 is also connected to the first wiping block 6431, and rotating the first follower ring 6433 can control the first wiping block 6431 to slide along the radial direction of the first ring seat 6432; the first ring seat 6432 is sleeved on the limiting plate 6421, and the first follower ring 6433 is rotated on the first ring seat 6432. The limiting plate 6421 can limit the rotation of the first ring seat 6432 relative to the mounting frame 642, so that the first ring seat 6432 can rotate synchronously with the mounting frame 642, and the first ring seat 6432 can also slide up and down on the limiting plate 6421, so that the first wiping block 6431 maintains contact with the first positioning end face, thereby realizing the first wiping block 6431 rotating to wipe the first positioning end face, and can realize synchronous control of the first wiping block 6431 to move along the radial direction of the first ring seat 6432 away from the axial direction of the first ring seat 6432 until it exits the first positioning end face, thereby ensuring that the second positioning end face can contact with the first positioning end face to achieve precise positioning.

[0074] Preferably, a first wiping end face and a first follow-up groove are provided on the first wiping block 6431, and the first wiping end face is in contact with the first positioning end face for wiping the first positioning end face; the first follow-up groove is a vortex groove.

[0075] Preferably, a first wiping block limiting groove 64321 is provided on the first ring seat 6432, and the first wiping block limiting groove 64321 extends radially along the first ring seat 6432. The first wiping block 6431 is installed in the first wiping block limiting groove 64321 and can slide radially along the first ring seat 6432 in the first wiping block limiting groove 64321.

[0076] Preferably, a stop-rotation limit slider 64322 is also provided on the first ring seat 6432. The stop-rotation limit slider 64322 is arranged in the ring seat limit groove 6423 and can slide along the ring seat limit groove 6423. The ring seat limit groove 6423 can limit the relative rotation of the first ring seat 6432 relative to the mounting frame 642, so that the first ring seat 6432 can rotate synchronously with the mounting frame 642, and then the first wiping block 6431 can be controlled to rotate to wipe the first positioning end face, thereby further improving the cleanliness of the first positioning end face, thereby improving the positioning accuracy of the positioning unit 6.

[0077] Preferably, the first 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 .

[0078] Preferably, the first follower ring 6433 is provided with a first follower tooth and a first driving guide rail, and the first follower tooth is arranged on the outer circumference of the first follower ring 6433; the first driving guide rail is arranged on the side of the first follower ring 6433, and the first driving guide rail is a scroll guide rail, and the first driving guide rail can slide in the first follower groove, thereby driving the first wiping block 6431 to slide radially along the first ring seat 6432.

[0079] Preferably, if Fig.10As shown, the second wiping device 644 also includes a second ring seat 6442 and a second follower ring 6443. The second wiping block 6441 and the second follower ring 6443 are both installed on the second ring seat 6442. The second wiping block 6441 can slide along the radial direction of the second ring seat 6442, and the second follower ring 6443 can rotate in a circle on the second ring seat 6442. The second ring seat 6442 is also connected to the second wiping block 6441. Rotating the second ring seat 6442 can control the second wiping block 6441. Slide radially along the second ring seat 6442; the second ring seat 6442 is fixedly mounted on the limit plate 6421, so that the second ring seat 6442 can rotate synchronously with the mounting frame 642, thereby realizing the second wiping block 6441 rotating to wipe the second positioning end face, and can realize synchronous control of the second wiping block 6441 to move radially along the second ring seat 6442 toward the axial direction away from the second ring seat 6442 until it exits the second positioning end face, thereby ensuring that the second positioning end face can contact with the first positioning end face to achieve precise positioning.

[0080] Preferably, a second wiping end face and a second follower groove are provided on the second wiping block 6441, and the second wiping end face is in contact with the second positioning end face for wiping the second positioning end face; the second follower groove is a vortex groove.

[0081] Preferably, a second wiping block limiting groove 64421 is provided on the second ring seat 6442, and the second wiping block limiting groove 64421 extends radially along the second ring seat 6442. The second wiping block 6441 is installed in the second wiping block limiting groove 64421 and can slide radially along the second ring seat 6442 in the second wiping block limiting groove 64421.

[0082] Preferably, the second follower ring 6443 is provided with a second follower tooth and a second drive guide rail, and the second follower tooth is arranged on the outer circumference of the second follower ring 6443; the second drive guide rail is arranged on the side of the second follower ring 6443, and the second drive guide rail is a scroll type drive guide rail, and the second drive guide rail can slide in the second follower groove, thereby driving the second wiping block 6441 to slide radially along the second ring seat 6442.

[0083] Preferably, one end of the transmission rod 645 is rotatably connected to the first ring seat 6432 , and the other end is inserted into the avoidance hole 64323 , so that the transmission rod 645 can move with the first ring seat 6432 toward the first positioning end surface.

[0084] Preferably, if Fig.11As shown, the transmission rod 645 is provided with a driving tooth 6451 and a second sliding groove 6452, the first follower tooth and the second follower tooth are both engaged with the driving tooth 6451, the second sliding groove 6452 is spirally arranged, the second protrusion 64324 is inserted into the second sliding groove 6452, and can slide along the second sliding groove 6452, so that the transmission rod 645 can rotate simultaneously when it moves with the first ring seat 6432 toward the first positioning end face, thereby driving the first follower ring 6433 and the second follower ring 6443 to rotate synchronously, and then controlling the first wiping block 6431 to move along the radial direction of the first ring seat 6432 to move away from the axial direction of the first ring seat 6432 until it exits the first positioning end face, and synchronously controlling the movement along the radial direction of the second ring seat 6442 to move away from the axial direction of the second ring seat 6442 until it exits the second positioning end face, thereby ensuring that the second positioning end face can contact the first positioning end face to achieve precise positioning.

[0085] Preferably, the wiping mechanism also includes a third spring 646, and the third spring 646 is sleeved on the fixed seat 6321. One end of the third spring 646 is fixedly connected to the fixed seat 6321, and the other end is rotatably connected to the rotating sleeve 641. The third spring 646 is used to always apply an elastic thrust to the rotating sleeve 641. When the downward pressure on the wiping mechanism is removed, the rotating sleeve 641 is pushed to rotate and slide upward along the axis of the fixed seat 6321 under the action of the elastic thrust of the third spring 646, so that the rotating sleeve 641 returns to its initial position, and at the same time drives the second wiping device 644 to return to its initial state.

[0086] Preferably, the wiping mechanism also includes a fourth spring (not shown in the figure), which is sleeved on the mounting frame 642, with one end of the fourth spring connected to the first ring seat 6432, and the other end connected to the second ring seat 6442. The fourth spring is used to always apply an elastic thrust to the first ring seat 6432. When the downward pressure on the wiping mechanism is removed and the second wiping device 644 returns to its initial state, the first wiping device 643 is pushed to return to its initial state by the elastic thrust of the fourth spring.

[0087] 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 clamping tool for processing the inner cavity of a large-sized cabin, characterized in that: The invention comprises a first clamping unit (1), a second clamping unit (2) and a hollow turntable unit (5); the hollow turntable unit (5) can be mounted on a cabin body to be processed; the first clamping unit (1) and the second clamping unit (2) are arranged on both sides of the hollow turntable unit (5) and are connected to the hollow turntable unit (5); the first clamping unit (1) is used to fix one end of the cabin body to be processed on the hollow turntable unit (5); the second clamping unit (2) is used to fix the other end of the cabin body to be processed on the hollow turntable unit (5); and the hollow turntable unit (5) is used to drive the cabin body to be processed to rotate.

2. The clamping tool for processing the inner cavity of a large-sized cabin according to claim 1 is characterized in that: The hollow turntable unit (5) comprises an outer shell (51), a turntable body (52) and a driving motor; the turntable body (52) is passed through the outer shell (51) and is rotatably connected to the outer shell (51); the driving motor is connected to the turntable body (52) and is used to drive the turntable body (52) to rotate.

3. The clamping tool for processing the inner cavity of a large-sized cabin according to claim 2 is characterized in that: The first clamping unit (1) comprises a first flange (11) and a first pull rod (12), wherein the first flange (11) is fixedly connected to one end of a chamber to be processed; one end of the first pull rod (12) is fixedly connected to the first flange (11), and the other end is fixedly connected to a turntable body (52).

4. The clamping tool for processing the inner cavity of a large-sized cabin according to claim 3 is characterized in that: The second clamping unit (2) comprises a second flange (21) and a second pull rod (22), wherein the second flange (21) is fixedly connected to the other end of the chamber to be processed; one end of the second pull rod (22) is fixedly connected to the second flange (21), and the other end is fixedly connected to the turntable body (52).

5. The clamping tool for processing the inner cavity of a large-sized cabin according to claim 4 is characterized in that: The clamping tool further comprises a first supporting unit (3) and a second supporting unit (4), wherein the first supporting unit (3) is used to support the first flange (11), and the second supporting unit (4) is used to support the second flange (21).

6. The clamping tool for processing the inner cavity of a large-sized cabin according to claim 5 is characterized in that: The first support unit (3) comprises a first support frame (31) and a first support roller (32); the first support frame (31) is connected to a machine tool worktable; the first support roller (32) is mounted on the first support frame (31) and is used to support the first flange (11).

7. The clamping tool for processing the inner cavity of a large-sized cabin according to claim 6 is characterized in that: The second support unit (4) comprises a second support frame (41) and a second support roller (42); the second support frame (41) is connected to the machine tool worktable; the second support roller (42) is installed on the first support frame (31) and is used to support the second flange (21).

8. The clamping tool for processing the inner cavity of a large-sized cabin according to claim 7 is characterized in that: The first pull rod (12) and the second pull rod (22) are both provided in plurality; the first support roller (32) and the second support roller (42) are both provided in plurality of groups.

9. A clamping tool for processing the inner cavity of a large-sized cabin according to any one of claims 1 to 8, characterized in that: It also includes a positioning unit (6).

10. The clamping tool for processing the inner cavity of a large-sized cabin according to claim 9, characterized in that: The positioning unit (6) is used for quickly performing zero-point positioning on the cabin to be processed.

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