Multi-point supporting efficient clamping method suitable for split type cabin

Abstract

The multi-point supporting efficient clamping method comprises the following steps that firstly, a multi-point supporting efficient clamping device is prefabricated, secondly, the split type cabin (11) is started to be clamped, thirdly, a clamping pressing plate (407) and a positioning block (502) are rotated back to the original position, the lower bottom face of a touch detection head (501) is used as the positioning reference, and the split type cabin (11) is clamped through the clamping pressing plate (407) and the positioning block (502). 4, four lifting air cylinders (403) are started to enable a supporting table (404) to ascend until it is detected that the supporting table (404) touches a process chuck of the split type cabin (11), 5, a (110) is screwed to enable a (104) to rotate, and axial positioning of the split type cabin (11) is finely adjusted to enable the split type cabin (11) to coincide with the Y-axis direction of a machining tool; by arranging the equal-height blocks and determining the positioning reference, the process chucks of the split type cabin can be located at the same height by adjusting the adjusting air cylinders, and automatic clamping and alignment are achieved.

Description

Technical Field

[0001] The invention discloses a novel multi-point support and efficient clamping method, in particular to a multi-point support and efficient clamping method suitable for a split cabin. Background Art

[0002] In the field of aerospace, split cabins have split structural designs with thin walls and semi-conical structural features. They have high precision requirements and poor structural rigidity, which leads to high clamping difficulty and large processing deformation. At present, such parts are usually manually aligned and debugged on the machine tool workbench. Each clamping and alignment requires multiple adjustments to the positioning surface, resulting in low clamping efficiency. Moreover, the alignment accuracy is greatly affected by human factors, and product quality is difficult to control. Therefore, it is necessary to propose an efficient clamping method that can be applied to such parts. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and to provide a multi-point support efficient clamping method that can adapt to the characteristics of large contours, multiple tapers, and multiple features of structural parts, and can automatically clamp and align, thereby improving the processing stability and processing technology level of the split cabin body and ensuring high-precision and stable processing of the split cabin body.

[0004] A multi-point support efficient clamping method suitable for a split cabin, characterized by comprising the following steps:

[0005] Step 1, prefabricate a multi-point support efficient clamping device, the multi-point support efficient clamping device includes a fixed base 1, a low oblique support device 2, a high oblique support device 3, a clamping device 4, an equal height positioning device 5, a positioning adjustment device 6, a high straight support device 7, a middle straight support device 8 and a low straight support device 9;

[0006] The equal height positioning device 5, positioning adjustment device 6, high oblique support device 3, low oblique support device 2 and clamping device 4 are respectively fixedly installed on the fixed base 1 in pairs, and are symmetrically arranged with the central axis of the short side of the fixed base 1 as the axis. The high straight support device 7, the middle straight support device 8 and the two low straight support devices 9 are fixed on the central axis of the short side of the fixed base 1;

[0007] The equal height positioning device 5, the positioning adjustment device 6, the high oblique support device 3, the low oblique support device 2, the high straight support device 7, the middle straight support device 8, the low straight support device 9 and the clamping device 4 are all connected to the fixed base 1 through threads;

[0008] The fixed base 1 includes a fixed base plate 101, a connecting shaft 102, a bearing 103, an adjusting base plate 104, a lifting ring 105, a pressure plate 106, a screw 107, a dial indicator fixing bracket 108, a dial indicator 109, an adjusting bolt 110 and a bolt fixing bracket 111; the lower part of the connecting shaft 102 is sleeved and fixed on the center position of the fixed base plate 101, the inner side of the bearing 103 is sleeved on the upper part of the connecting shaft 102, and the outer side of the bearing 103 is sleeved on the center position of the adjusting base plate 104; the four lifting rings 105 are respectively fixed to the four corners of the adjusting base plate 104 by threaded connection; the four The screw rods 107 are evenly distributed at four positions of the fixed base plate 101 and are fixed by threaded connection; the lower end of the pressing plate 106 is screwed into the screw rods 107 by thread, and the adjusting base plate 104 is fixed by tightening the pressing plate 106; the left ends of the dial gauge fixing bracket 108 and the bolt fixing bracket 111 are connected to the fixed base plate 101, and the left end of the adjusting bolt 110 passes through the bolt fixing bracket 111 and is pressed against the side of the fixed base plate 101, which is used to adjust the rotation angle of the fixed base plate 101, and the left end of the dial gauge 109 passes through the dial gauge fixing bracket 108 and is pressed against the side of the fixed base plate 101, which is used to measure the offset value of the fixed base plate 101;

[0009] The low-slant support device 2 comprises a multi-point support device 10 and a low support bracket 201; the lower end of the multi-point support device 10 is fixed on the low support bracket 201;

[0010] The high inclined support device 3 comprises a multi-point support device 10 and a high support bracket 301; the lower end of the multi-point support device 10 is fixed on the high support bracket 301;

[0011] The clamping device 4 includes a clamping cylinder base 401, a large washer 402, a lifting cylinder 403, a support platform 404, a small washer 405, a nut 406, a clamping plate 407, a cylinder fixing screw 408, and a clamping cylinder 409; the small washer 405 is sleeved between the support platform 404 and the lifting cylinder 403, and the support platform 404 and the lifting cylinder 403 are connected by threads; the large washer 402 is sleeved on the bottom of the lifting cylinder 403, and the lifting cylinder 403 is sunk into the lower cylindrical groove on the left side of the clamping cylinder base 401 for installation; the clamping plate 407 passes through the upper mounting rod of the clamping cylinder 409 and is fixed by the nut 406, and the clamping cylinder 409 is sunk into the higher cylindrical groove on the right side of the clamping cylinder base 401 and is fixed by the cylinder fixing screw 408;

[0012] The contour positioning device 5 includes a touch detection head 501, a positioning block 502, a positioning fixing screw 503, a rotating cylinder 504, and a positioning base 505; the touch detection head is installed at the front end of the positioning block 502, the positioning block 502 passes through the upper mounting rod of the rotating cylinder 504 and is fixed by the positioning fixing screw 503, and the rotating cylinder 504 is installed in the cylindrical groove of the positioning base 505;

[0013] The positioning adjustment device 6 includes an adjustment cylinder fixing screw 601, an adjustment cylinder 602), an adjustment support platform 603, a nut 406, a clamping plate 407, a cylinder fixing screw 408, a clamping cylinder 409, and a positioning adjustment base 604; the lower end of the adjustment support platform 603 is fixed to the upper mounting rod of the adjustment cylinder 602; the adjustment cylinder 602 is fixed to the positioning adjustment base 604 by the adjustment cylinder fixing screw 601; the clamping cylinder 409 is sunk into the cylindrical groove of the positioning adjustment base 604 and is fixed by the cylinder fixing screw 408;

[0014] The high straight support device 7 includes a multi-point support device 10 and a high support base 701; the left end of the multi-point support device 10 is fixed to the high support base 701 by an external hexagon screw 702;

[0015] The central straight support device 8 includes a multi-point support device 10 and a central support base 801; the left end of the multi-point support device 10 is fixed to the central support base 801 by an external hexagon screw 702;

[0016] The low straight support device 9 includes a multi-point support device 10 and a low support base 901; the left end of the multi-point support device 10 is fixed to the low support base 901 by an external hexagon screw 702;

[0017] Step 2, start clamping the split cabin body 11, rotate the clamping plate 407 of the clamping device 4 and the positioning adjustment device 6 and the positioning block 502 of the equal height positioning device 5 outward by 90° respectively, turn on the pneumatic switch of the multi-point support device 10, so that the support head on the multi-point support device 10 can move freely; place the split cabin body 11 to be processed on the multi-point support high-efficiency clamping device, wherein four process chucks are provided on both sides of the split cabin body 11 (a total of eight locations), the four process chucks close to the large end and the small end are placed on the adjustment support table 603), and the remaining four chucks are placed on the support table 404;

[0018] Step 3: rotate the clamping plate 407 and the positioning block 502 back to their original positions, take the lower bottom surface of the touch detection head 501 as the positioning reference, start the four adjustment cylinders 602) to raise the adjustment support platform 603), and drive the split cabin body 11 to rise until the two long strips in the generatrix direction of the split cabin body 11 touch the lower bottom surface of the touch detection head 501, and when the measured values ​​of the touch detection head 501 are all 0.1N, stop raising the adjustment support platform 603), and the vertical position adjustment of the split cabin body 11 is now completed;

[0019] Step 4, start the four lifting cylinders 403 to make the support platform 404 rise until it detects that it touches the process chuck of the split cabin body 11, stop raising the support platform 404, start the clamping cylinder 409, make the clamping plate 407 descend to clamp the process chuck of the split cabin body 11, close the pneumatic switch of the multi-point support device 10, fix the support head on the multi-point support device 10, and now the vertical position clamping of the split cabin body 11 is completed;

[0020] Step 5, screw 110 to rotate 104, and fine-tune the axial positioning of the split cabin body 11 to make it coincide with the Y-axis direction of the processing machine. At this time, the axial position adjustment of the split cabin body 11 is completed, thereby completing the overall clamping and alignment of the split cabin body 11.

[0021] Compared with the prior art, the present invention has the following advantages:

[0022] (1) The present invention sets equal height blocks to determine the positioning reference method. By adjusting the adjustment cylinder, the process chucks of the split cabin body are at the same height, thereby achieving automatic clamping and alignment.

[0023] (2) The present invention adopts a multi-point support method to specifically improve the structural stiffness of the weak stiffness area and achieve multi-point stable support for complex curved surfaces. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 , a stereoscopic diagram of a device used in the present invention;

[0025] Figure 2 ,for Figure 1 An exploded schematic diagram of a fixed base 1 in FIG.

[0026] Figure 3 ,for Figure 1 A front view of the low oblique support device 2;

[0027] Figure 4 ,for Figure 1 A front view of the high inclined support device 3;

[0028] Figure 5 ,for Figure 1 An exploded schematic diagram of the clamping device 4;

[0029] Figure 6 ,for Figure 1 An exploded schematic diagram of the medium-high positioning device 5;

[0030] Figure 7 ,for Figure 1 An exploded schematic diagram of the positioning and adjusting device 6;

[0031] Figure 8 ,for Figure 1 A front view of the high straight support device 7;

[0032] Fig. 9 ,for Figure 1 A front view of the central straight support device 8;

[0033] Fig.10 ,for Figure 1 A front view of the low straight support device 9;

[0034] Fig.11 , is a schematic diagram of the working state of the clamping split cabin body 11 of the present invention. DETAILED DESCRIPTION

[0035] To achieve the above object, the present invention provides the following technical solutions:

[0036] The present invention provides a multi-point support efficient clamping method applicable to a split cabin, comprising the following steps:

[0037] Step 1: prefabricate a multi-point support high-efficiency clamping device, wherein the multi-point support high-efficiency clamping device includes a fixed base, a low-slant support device, a high-slant support device, a clamping device, an equal-height positioning device, a positioning adjustment device, a high straight support device, a middle straight support device and a low straight support device.

[0038] The equal height positioning device, positioning adjustment device, high oblique support device, low oblique support device and clamping device are respectively fixedly installed on the fixed base in pairs, and are symmetrically arranged with the central axis of the short side of the fixed base as the axis. The high straight support device, middle straight support device and low straight support device are fixed on the central axis of the short side of the fixed base.

[0039] The equal height positioning device, positioning adjustment device, high oblique support device, low oblique support device, high straight support device, middle straight support device, low straight support device and clamping device are all connected to the fixed base through threads.

[0040] The fixed base includes a fixed base plate, a connecting shaft, a bearing, an adjustable base plate, a lifting ring, a pressure plate, a screw, a dial indicator fixing bracket, a dial indicator, an adjusting bolt and a bolt fixing bracket. The lower part of the connecting shaft is sleeved and fixed on the center position of the fixed base plate, the inner side of the bearing is sleeved on the upper part of the connecting shaft, and the outer side of the bearing is sleeved on the center position of the adjustable base plate. The lifting rings are respectively fixed to the four corners of the adjustable base plate through threaded connections. The screws are evenly distributed at four positions of the fixed base plate and fixed through threaded connections. The lower end of the pressure plate is screwed into the screw through threads, and the adjustable base plate is fixed by tightening the pressure plate. The left end of the dial indicator fixing bracket and the bolt fixing bracket are connected to the fixed base plate, the left end of the adjusting bolt passes through the bolt fixing bracket and is pressed against the side of the fixed base plate, which is used to adjust the rotation angle of the fixed base plate, and the left end of the dial indicator passes through the dial indicator fixing bracket and is pressed against the side of the fixed base plate, which is used to measure the offset value of the fixed base plate.

[0041] The low-slant support device comprises a multi-point support device and a low support bracket. The lower end of the multi-point support device is fixed on the low support bracket.

[0042] The high-inclined support device comprises a multi-point support device and a high-support bracket. The lower end of the multi-point support device is fixed on the high-support bracket.

[0043] The clamping device includes a clamping cylinder base, a large washer, a lifting cylinder, a support platform, a small washer, a nut, a clamping plate, a cylinder fixing screw, a clamping cylinder, and a clamping base mounting screw. The small washer is sleeved between the support platform and the lifting cylinder, and the support platform and the lifting cylinder are connected by threads. The large washer is sleeved on the bottom of the lifting cylinder, and the lifting cylinder is installed in the lower cylindrical groove on the left side of the clamping cylinder base. The clamping plate passes through the upper mounting rod of the clamping cylinder and is fixed by a nut, and the clamping cylinder is inserted into the higher cylindrical groove on the right side of the clamping cylinder base and is fixed by the cylinder fixing screw.

[0044] The height-contact positioning device comprises a touch detection head, a positioning block, a positioning fixing screw, a rotating cylinder, and a positioning base. The touch detection head is installed at the front end of the positioning block, the positioning block passes through the upper mounting rod of the rotating cylinder and is fixed by the positioning fixing screw, and the rotating cylinder is installed in the cylindrical groove of the positioning base.

[0045] The positioning adjustment device includes an adjustment cylinder fixing screw, an adjustment cylinder, an adjustment support platform, a nut, a clamping plate, a cylinder fixing screw, a clamping cylinder, and a positioning adjustment base. The lower end of the adjustment support platform is fixed to the mounting rod on the upper side of the adjustment cylinder. The adjustment cylinder is fixed to the positioning adjustment base by the adjustment cylinder fixing screw. The clamping cylinder is sunk into the cylindrical groove of the positioning adjustment base and is fixed by the cylinder fixing screw.

[0046] The high straight support device comprises a multi-point support device and a high support base. The left end of the multi-point support device is fixed to the high support base by an external hexagonal screw.

[0047] The central straight support device comprises a multi-point support device and a central support base. The left end of the multi-point support device is fixed to the central support base by an external hexagonal screw.

[0048] The low straight support device comprises a multi-point support device and a low support base. The left end of the multi-point support device is fixed to the low support base by an external hexagonal screw.

[0049] Step 2: Start clamping the split cabin, turn the clamping plate of the clamping device and the positioning adjustment device and the positioning block of the equal height positioning device 90° outward respectively, turn on the pneumatic switch of the multi-point support device, and allow the support head on the multi-point support device to move freely. Place the split cabin to be processed on the multi-point support high-efficiency clamping device, where four process chucks are set on each side of the split cabin (a total of eight), the four process chucks near the large end and the small end are placed on the adjustment support table, and the remaining four chucks are placed on the support table.

[0050] Step 3. Rotate the clamping plate and the positioning block back to their original positions, use the bottom surface of the touch detection head as the positioning reference, start the four adjustment cylinders to raise the adjustment support platform, and drive the split cabin body to rise until the two long surfaces in the direction of the split cabin body's busbar touch the bottom surface of the touch detection head, and when the measured values ​​of the touch detection head are all 0.1N, stop raising the adjustment support platform. At this time, the vertical position adjustment of the split cabin body is completed.

[0051] Step 4: Start the lifting cylinders on all four sides to raise the support platform until it detects that it touches the process chuck of the split-type cabin body, stop raising the support platform, start the clamping cylinder, lower the clamping plate to clamp the process chuck of the split-type cabin body, close the pneumatic switch of the multi-point support device, and fix the support head on the multi-point support device. At this time, the vertical position clamping of the split-type cabin body is completed.

[0052] Step 5. Tighten the adjusting bolt to rotate the adjusting base plate, and fine-tune the axial positioning of the split cabin body so that it coincides with the Y-axis direction of the processing machine tool. At this time, the axial position adjustment of the split cabin body is completed, thereby completing the overall clamping and alignment of the split cabin body.

[0053] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0054] The present invention provides a multi-point support efficient clamping method applicable to a split cabin, comprising the following steps:

[0055] Step 1: prefabricate a multi-point support high-efficiency clamping device, which includes a fixed base 1, a low-slant support device 2, a high-slant support device 3, a clamping device 4, an equal height positioning device 5, a positioning adjustment device 6, a high straight support device 7, a middle straight support device 8 and a low straight support device 9.

[0056] As attached Figure 1 As shown, the equal height positioning device 5, the positioning adjustment device 6, the high oblique support device 3, the low oblique support device 2 and the clamping device 4 are respectively fixedly installed on the fixed base 1 in pairs, and are symmetrically arranged with the short side center axis of the fixed base 1 as the axis. The high straight support device 7, the middle straight support device 8 and the two low straight support devices 9 are fixed on the short side center axis of the fixed base 1.

[0057] The equal height positioning device 5, positioning adjustment device 6, high oblique support device 3, low oblique support device 2, high straight support device 7, middle straight support device 8, low straight support device 9 and clamping device 4 are all connected to the fixed base 1 through threads.

[0058] As attached Figure 2 As shown, the fixed base 1 includes a fixed base plate 101, a connecting shaft 102, a bearing 103, an adjustable base plate 104, a lifting ring 105, a pressing plate 106, a screw rod 107, a dial indicator fixing bracket 108, a dial indicator 109, an adjusting bolt 110 and a bolt fixing bracket 111. The lower part of the connecting shaft 102 is sleeved and fixed on the center position of the fixed base plate 101, the inner side of the bearing 103 is sleeved on the upper part of the connecting shaft 102, and the outer side of the bearing 103 is sleeved on the center position of the adjustable base plate 104. The four lifting rings 105 are respectively fixed to the four corners of the adjustable base plate 104 by threaded connection. The four screw rods 107 are evenly distributed at four positions of the fixed base plate 101 and fixed by threaded connection. The lower end of the pressing plate 106 is screwed into the screw rod 107 by thread, and the adjustable base plate 104 is fixed by tightening the pressing plate 106. The left ends of the dial indicator fixing bracket 108 and the bolt fixing bracket 111 are connected to the fixed base plate 101, the left end of the adjusting bolt 110 passes through the bolt fixing bracket 111 and is pressed against the side of the fixed base plate 101, so as to adjust the rotation angle of the fixed base plate 101, and the left end of the dial indicator 109 passes through the dial indicator fixing bracket 108 and is pressed against the side of the fixed base plate 101, so as to measure the offset value of the fixed base plate 101.

[0059] As attached Figure 3 As shown, the low-slant support device 2 comprises a multi-point support device 10 and a low support bracket 201. The lower end of the multi-point support device 10 is fixed on the low support bracket 201.

[0060] As attached Figure 4 As shown, the high-inclined support device 3 comprises a multi-point support device 10 and a high-support bracket 301. The lower end of the multi-point support device 10 is fixed on the high-support bracket 301.

[0061] As attached Figure 5 As shown, the clamping device 4 includes a clamping cylinder base 401, a large washer 402, a lifting cylinder 403, a support platform 404, a small washer 405, a nut 406, a clamping plate 407, a cylinder fixing screw 408, and a clamping cylinder 409. The small washer 405 is sleeved between the support platform 404 and the lifting cylinder 403, and the support platform 404 and the lifting cylinder 403 are connected by threads. The large washer 402 is sleeved on the bottom of the lifting cylinder 403, and the lifting cylinder 403 is installed in the lower cylindrical groove on the left side of the clamping cylinder base 401. The clamping plate 407 passes through the upper mounting rod of the clamping cylinder 409 and is fixed by a nut 406, and the clamping cylinder 409 is sunk into the higher cylindrical groove on the right side of the clamping cylinder base 401 and is fixed by a cylinder fixing screw 408.

[0062] As attached Figure 6 As shown, the contour positioning device 5 comprises a touch detection head 501, a positioning block 502, a positioning fixing screw 503, a rotating cylinder 504, and a positioning base 505. The touch detection head is installed at the front end of the positioning block 502, the positioning block 502 passes through the upper mounting rod of the rotating cylinder 504 and is fixed by the positioning fixing screw 503, and the rotating cylinder 504 is installed in the cylindrical groove of the positioning base 505.

[0063] As attached Figure 7 As shown, the positioning adjustment device 6 includes an adjustment cylinder fixing screw 601, an adjustment cylinder 602, an adjustment support platform 603, a nut 406, a clamping plate 407, a cylinder fixing screw 408, a clamping cylinder 409, and a positioning adjustment base 604. The lower end of the adjustment support platform 603 is fixed to the upper mounting rod of the adjustment cylinder 602. The adjustment cylinder 602 is fixed to the positioning adjustment base 604 by the adjustment cylinder fixing screw 601. The clamping cylinder 409 is sunk into the cylindrical groove of the positioning adjustment base 604 and fixed by the cylinder fixing screw 408.

[0064] As attached Figure 8 As shown, the high straight support device 7 comprises a multi-point support device 10 and a high support base 701. The left end of the multi-point support device 10 is fixed to the high support base 701 by an external hexagon screw 702.

[0065] As attached Fig. 9As shown, the central straight support device 8 includes a multi-point support device 10 and a central support base 801. The left end of the multi-point support device 10 is fixed to the central support base 801 by an external hexagonal screw 702.

[0066] As attached Fig.10 As shown, the low straight support device 9 includes a multi-point support device 10 and a low support base 901. The left end of the multi-point support device 10 is fixed to the low support base 901 by an external hexagon screw 702.

[0067] Step 2: Fig.11 As shown, the split cabin 11 is clamped, and the specific process is as follows:

[0068] In the first step, the clamping device 4 and the clamping plate 407 of the positioning and adjusting device 6 and the positioning block 502 of the equal height positioning device 5 are respectively rotated outward by 90°, and the pneumatic switch of the multi-point support device 10 is turned on, so that the support head on the multi-point support device 10 can move freely. The split cabin 11 to be processed is placed on the multi-point support high-efficiency clamping device, wherein four process chucks are provided on both sides of the split cabin 11 (eight in total), the four process chucks near the large end and the small end are placed on the adjustment support table 603, and the remaining four chucks are placed on the support table 404.

[0069] In the second step, the clamping plate 407 and the positioning block 502 are rotated back to their original positions, and the lower bottom surface of the touch detection head 501 is used as the positioning reference. The four adjustment cylinders 602 are started to raise the adjustment support platform 603, driving the split cabin body 11 to rise until the two long strips in the direction of the busbar of the split cabin body 11 touch the lower bottom surface of the touch detection head 501, and when the measured values ​​of the touch detection head 501 are all 0.1N, the raising of the adjustment support platform 603 is stopped. At this time, the vertical position adjustment of the split cabin body 11 is completed.

[0070] The third step is to start the lifting cylinders 403 at all four sides to make the support platform 404 rise until it detects that it touches the process chuck of the split cabin body 11, stop lifting the support platform 404, start the clamping cylinder 409, and make the clamping plate 407 descend to clamp the process chuck of the split cabin body 11, close the pneumatic switch of the multi-point support device 10, and fix the support head on the multi-point support device 10. At this time, the vertical position clamping of the split cabin body 11 is completed.

[0071] The fourth step is to screw the adjusting bolt 110 to rotate the adjusting base plate 104, and fine-tune the axial positioning of the split cabin body 11 to make it coincide with the Y-axis direction of the processing machine. At this time, the axial position adjustment of the split cabin body 11 is completed, thereby completing the overall clamping and alignment of the split cabin body 11.

[0072] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0073] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0074] A multi-point support efficient clamping method applicable to a split cabin comprises the following steps:

[0075] Step 1: prefabricate a multi-point support high-efficiency clamping device, which includes a fixed base 1, a low-slant support device 2, a high-slant support device 3, a clamping device 4, an equal height positioning device 5, a positioning adjustment device 6, a high straight support device 7, a middle straight support device 8 and a low straight support device 9.

[0076] The equi-height positioning device 5, positioning adjustment device 6, high-inclined support device 3, low-inclined support device 2 and clamping device 4 are respectively fixedly installed on the fixed base 1 in pairs, and are symmetrically arranged with the central axis of the short side of the fixed base 1 as the axis. The high straight support device 7, middle straight support device 8 and two low straight support devices 9 are fixed on the central axis of the short side of the fixed base 1.

[0077] The equal height positioning device 5, positioning adjustment device 6, high oblique support device 3, low oblique support device 2, high straight support device 7, middle straight support device 8, low straight support device 9 and clamping device 4 are all connected to the fixed base 1 through threads.

[0078] The fixed base 1 includes a fixed base plate 101, a connecting shaft 102, a bearing 103, an adjustable base plate 104, a lifting ring 105, a pressing plate 106, a screw rod 107, a dial indicator fixing bracket 108, a dial indicator 109, an adjusting bolt 110 and a bolt fixing bracket 111. The lower part of the connecting shaft 102 is sleeved and fixed on the center position of the fixed base plate 101, the inner side of the bearing 103 is sleeved on the upper part of the connecting shaft 102, and the outer side of the bearing 103 is sleeved on the center position of the adjustable base plate 104. The four lifting rings 105 are respectively fixed to the four corners of the adjustable base plate 104 by threaded connection. The four screw rods 107 are evenly distributed at four positions of the fixed base plate 101 and fixed by threaded connection. The lower end of the pressing plate 106 is screwed into the screw rod 107 by thread, and the adjustable base plate 104 is fixed by tightening the pressing plate 106. The left ends of the dial indicator fixing bracket 108 and the bolt fixing bracket 111 are connected to the fixed base plate 101, the left end of the adjusting bolt 110 passes through the bolt fixing bracket 111 and is pressed against the side of the fixed base plate 101, so as to adjust the rotation angle of the fixed base plate 101, and the left end of the dial indicator 109 passes through the dial indicator fixing bracket 108 and is pressed against the side of the fixed base plate 101, so as to measure the offset value of the fixed base plate 101.

[0079] The low-slant support device 2 comprises a multi-point support device 10 and a low support bracket 201. The lower end of the multi-point support device 10 is fixed on the low support bracket 201.

[0080] The high-inclined support device 3 comprises a multi-point support device 10 and a high-support bracket 301. The lower end of the multi-point support device 10 is fixed on the high-support bracket 301.

[0081] The clamping device 4 includes a clamping cylinder base 401, a large washer 402, a lifting cylinder 403, a support platform 404, a small washer 405, a nut 406, a clamping plate 407, a cylinder fixing screw 408, and a clamping cylinder 409. The small washer 405 is sleeved between the support platform 404 and the lifting cylinder 403, and the support platform 404 and the lifting cylinder 403 are connected by threads. The large washer 402 is sleeved on the bottom of the lifting cylinder 403, and the lifting cylinder 403 is installed in the lower cylindrical groove on the left side of the clamping cylinder base 401. The clamping plate 407 passes through the upper mounting rod of the clamping cylinder 409 and is fixed by a nut 406, and the clamping cylinder 409 is sunk into the higher cylindrical groove on the right side of the clamping cylinder base 401 and is fixed by a cylinder fixing screw 408.

[0082] The contour positioning device 5 comprises a touch detection head 501, a positioning block 502, a positioning fixing screw 503, a rotating cylinder 504, and a positioning base 505. The touch detection head is installed at the front end of the positioning block 502, the positioning block 502 passes through the upper mounting rod of the rotating cylinder 504 and is fixed by the positioning fixing screw 503, and the rotating cylinder 504 is installed in the cylindrical groove of the positioning base 505.

[0083] The positioning adjustment device 6 includes an adjustment cylinder fixing screw 601, an adjustment cylinder 602), an adjustment support platform 603), a nut 406, a clamping plate 407, a cylinder fixing screw 408, a clamping cylinder 409, and a positioning adjustment base 604. The lower end of the adjustment support platform 603 is fixed to the upper mounting rod of the adjustment cylinder 602. The adjustment cylinder 602 is fixed to the positioning adjustment base 604 by the adjustment cylinder fixing screw 601. The clamping cylinder 409 is sunk into the cylindrical groove of the positioning adjustment base 604 and fixed by the cylinder fixing screw 408.

[0084] The high straight support device 7 comprises a multi-point support device 10 and a high support base 701. The left end of the multi-point support device 10 is fixed to the high support base 701 by an external hexagon screw 702.

[0085] The central straight support device 8 comprises a multi-point support device 10 and a central support base 801. The left end of the multi-point support device 10 is fixed to the central support base 801 by an external hexagonal screw 702.

[0086] The low straight support device 9 comprises a multi-point support device 10 and a low support base 901. The left end of the multi-point support device 10 is fixed to the low support base 901 by an external hexagon screw 702.

[0087] Step 2: Start clamping the split cabin 11. The specific process is as follows:

[0088] In the first step, the clamping device 4 and the clamping plate 407 of the positioning adjustment device 6 and the positioning block 502 of the equal height positioning device 5 are respectively rotated outward by 90°, and the pneumatic switch of the multi-point support device 10 is turned on, so that the support head on the multi-point support device 10 can move freely. The split cabin 11 to be processed is placed on the multi-point support high-efficiency clamping device, wherein four process chucks are arranged on both sides of the split cabin 11 (a total of eight locations), and the four process chucks near the large end and the small end are placed on the adjustment support table 603), and the remaining four chucks are placed on the support table 404.

[0089] In the second step, the clamping plate 407 and the positioning block 502 are rotated back to their original positions, and the lower bottom surface of the touch detection head 501 is used as the positioning reference. The four adjustment cylinders 602) are started to raise the adjustment support platform 603), driving the split cabin body 11 to rise until the two long strips in the direction of the busbar of the split cabin body 11 touch the lower bottom surface of the touch detection head 501, and when the measured values ​​of the touch detection head 501 are all 0.1N, the raising of the adjustment support platform 603) is stopped. At this time, the vertical position adjustment of the split cabin body 11 is completed.

[0090] The third step is to start the lifting cylinders 403 at all four sides to make the support platform 404 rise until it detects that it touches the process chuck of the split cabin body 11, stop lifting the support platform 404, start the clamping cylinder 409, and make the clamping plate 407 descend to clamp the process chuck of the split cabin body 11, close the pneumatic switch of the multi-point support device 10, and fix the support head on the multi-point support device 10. At this time, the vertical position clamping of the split cabin body 11 is completed.

[0091] The fourth step is to screw 110 to rotate 104 and fine-tune the axial positioning of the split cabin body 11 to make it coincide with the Y-axis direction of the processing machine. At this time, the axial position adjustment of the split cabin body 11 is completed, thereby completing the overall clamping and alignment of the split cabin body 11.

Claims

1. A multi-point support and efficient clamping method suitable for split cabins, characterized in that , including the following steps: Step 1, prefabricate a multi-point support high-efficiency clamping device, wherein the multi-point support high-efficiency clamping device comprises a fixed base (1), a low oblique support device (2), a high oblique support device (3), a clamping device (4), an equal height positioning device (5), a positioning adjustment device (6), a high straight support device (7), a middle straight support device (8) and a low straight support device (9); The equal height positioning device (5), positioning adjustment device (6), high oblique support device (3), low oblique support device (2) and clamping device (4) are respectively fixedly mounted on the fixed base (1) in pairs, and are arranged symmetrically with the central axis of the short side of the fixed base (1) as the axis. The high straight support device (7), middle straight support device (8) and two low straight support devices (9) are fixed on the central axis of the short side of the fixed base (1); The equal height positioning device (5), the positioning adjustment device (6), the high oblique support device (3), the low oblique support device (2), the high straight support device (7), the middle straight support device (8), the low straight support device (9) and the clamping device (4) are all connected to the fixed base (1) via threads; The fixed base (1) comprises a fixed base plate (101), a connecting shaft (102), a bearing (103), an adjusting base plate (104), a lifting ring (105), a pressure plate (106), a screw (107), a dial indicator fixing bracket (108), a dial indicator (109), an adjusting bolt (110) and a bolt fixing bracket (111); the lower part of the connecting shaft (102) is sleeved and fixed on the center position of the fixed base plate (101), the inner side of the bearing (103) is sleeved on the upper part of the connecting shaft (102), and the outer side of the bearing (103) is sleeved on the center position of the adjusting base plate (104); the four lifting rings (105) are respectively fixed to the four corners of the adjusting base plate (104) by threaded connection; The four screw rods (107) are evenly distributed at four positions of the fixed base plate (101) and are fixed by threaded connection; the lower end of the pressure plate (106) is screwed into the screw rod (107) by thread, and the adjustment base plate (104) is fixed by tightening the pressure plate (106); the left ends of the dial gauge fixing bracket (108) and the bolt fixing bracket (111) are connected to the fixed base plate (101), the left end of the adjusting bolt (110) passes through the bolt fixing bracket (111) and is pressed against the side of the fixed base plate (101) for adjusting the rotation angle of the fixed base plate (101), and the left end of the dial gauge (109) passes through the dial gauge fixing bracket (108) and is pressed against the side of the fixed base plate (101) for measuring the offset value of the fixed base plate (101); The low-slant support device (2) comprises a multi-point support device (10) and a low support bracket (201); the lower end of the multi-point support device (10) is fixed on the low support bracket (201); The high-inclined support device (3) comprises a multi-point support device (10) and a high support bracket (301); the lower end of the multi-point support device (10) is fixed on the high support bracket (301); The clamping device (4) comprises a clamping cylinder base (401), a large washer (402), a lifting cylinder (403), a support platform (404), a small washer (405), a nut (406), a clamping plate (407), a cylinder fixing screw (408), and a clamping cylinder (409); the small washer (405) is sleeved between the support platform (404) and the lifting cylinder (403); the support platform (404) and the lifting cylinder (403) are Through threaded connection; the large washer (402) is sleeved on the bottom of the lifting cylinder (403), and the lifting cylinder (403) is installed in the lower cylindrical groove on the left side of the clamping cylinder base (401); the clamping plate (407) passes through the upper mounting rod of the clamping cylinder (409) and is fixed by a nut (406), and the clamping cylinder (409) is inserted into the higher cylindrical groove on the right side of the clamping cylinder base (401) and is fixed by a cylinder fixing screw (408); The contour positioning device (5) comprises a touch detection head (501), a positioning block (502), a positioning fixing screw (503), a rotating cylinder (504), and a positioning base (505); the touch detection head is installed at the front end of the positioning block (502); the positioning block (502) passes through the upper mounting rod of the rotating cylinder (504) and is fixed by the positioning fixing screw (503); the rotating cylinder (504) is installed in the cylindrical groove of the positioning base (505); The positioning and adjusting device (6) comprises an adjusting cylinder fixing screw (601), an adjusting cylinder (602), an adjusting support platform (603), a nut (406), a clamping plate (407), a cylinder fixing screw (408), a clamping cylinder (409), and a positioning and adjusting base (604); the lower end of the adjusting support platform (603) is fixed to the upper mounting rod of the adjusting cylinder (602); the adjusting cylinder (602) and the positioning and adjusting base (604) are fixed by the adjusting cylinder fixing screw (601); the clamping cylinder (409) is sunk into the cylindrical groove of the positioning and adjusting base (604) and is fixed by the cylinder fixing screw (408); The high straight support device (7) comprises a multi-point support device (10) and a high support base (701); the left end of the multi-point support device (10) is fixed to the high support base (701) by an external hexagonal screw (702); The central straight support device (8) comprises a multi-point support device (10) and a central support base (801); the left end of the multi-point support device (10) is fixed to the central support base (801) by an external hexagonal screw (702); The low straight support device (9) comprises a multi-point support device (10) and a low support base (901); the left end of the multi-point support device (10) is fixed to the low support base (901) by an external hexagon screw (702); Step 2: Start clamping the split cabin body (11), rotate the clamping plate (407) of the clamping device (4) and the positioning and adjusting device (6) and the positioning block (502) of the equal height positioning device (5) outward by 90° respectively, turn on the pneumatic switch of the multi-point support device (10), so that the support head on the multi-point support device (10) can move freely; place the split cabin body (11) to be processed on the multi-point support high-efficiency clamping device, wherein four process chucks are provided on each side of the split cabin body (11) (eight in total), the four process chucks close to the large end and the small end are placed on the adjustment support table (603), and the remaining four chucks are placed on the support table (404); Step 3: rotate the clamping plate (407) and the positioning block (502) back to their original positions, use the lower bottom surface of the touch detection head (501) as the positioning reference, start the four adjustment cylinders (602) to raise the adjustment support platform (603), and drive the split cabin body (11) to rise until the two long strips in the generatrix direction of the split cabin body (11) touch the lower bottom surface of the touch detection head (501), and when the measured values ​​of the touch detection head (501) are all 0.1N, stop raising the adjustment support platform (603), and at this time, the vertical position adjustment of the split cabin body (11) is completed; Step 4: Start the lifting cylinders (403) at all four sides to make the support platform (404) rise until it detects that it touches the process chuck of the split cabin body (11), stop raising the support platform (404), start the clamping cylinder (409), make the clamping plate (407) descend to clamp the process chuck of the split cabin body (11), close the pneumatic switch of the multi-point support device (10), and fix the support head on the multi-point support device (10). At this time, the vertical position clamping of the split cabin body (11) is completed; Step 5, screw (110) to rotate (104), and fine-tune the axial positioning of the split cabin (11) so that it coincides with the Y-axis direction of the processing machine. At this time, the axial position adjustment of the split cabin (11) is completed, thereby completing the overall clamping and alignment of the split cabin (11).

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