CN112192209A - Transmission shaft press-fitting and welding integrated machine - Google Patents
Transmission shaft press-fitting and welding integrated machine Download PDFInfo
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- CN112192209A CN112192209A CN202011064237.8A CN202011064237A CN112192209A CN 112192209 A CN112192209 A CN 112192209A CN 202011064237 A CN202011064237 A CN 202011064237A CN 112192209 A CN112192209 A CN 112192209A
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- 238000003466 welding Methods 0.000 title claims abstract description 117
- 230000005540 biological transmission Effects 0.000 title claims abstract description 74
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000009434 installation Methods 0.000 claims abstract description 23
- 239000000523 sample Substances 0.000 claims description 12
- 238000003754 machining Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 238000010009 beating Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 14
- 238000003825 pressing Methods 0.000 description 10
- 239000002893 slag Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000638 stimulation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/002—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units stationary whilst being composed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/006—Holding or positioning the article in front of the applying tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the field of transmission shaft processing, and particularly discloses a transmission shaft press-fitting and welding integrated machine which comprises a processing table, a plurality of welding units, a plurality of straightening units, five clamping units, a first press-fitting block and a second press-fitting block, wherein the first press-fitting block and the second press-fitting block are slidably mounted on the processing table; the processing bench is vertically and fixedly provided with an installation plate, the straightening detection unit and the welding unit are both fixedly arranged on the installation plate, and the straightening detection unit and the welding unit can be in contact with the side wall of the front shaft or the rear shaft. This scheme can assemble, need not to shift after the pressure equipment to the transmission shaft assembly and can carry out alignment and welding, and there is the error in the installation department that can solve the transmission shaft assembly, and then can't satisfy the problem of beating entirely.
Description
Technical Field
The invention belongs to the field of transmission shaft machining, and particularly relates to a transmission shaft press-fitting and welding integrated machine.
Background
In order to meet the requirement of the market on the increase of the space of the automobile, the wheel base of the automobile is lengthened in the industry, the length of a corresponding transmission shaft is also lengthened, after the transmission shaft is too long, the angle difference between the transmission shaft and a sliding joint and a differential mechanism is too large, the torsion on the transmission shaft is difficult to be transmitted along the axis of the transmission shaft, and the power performance of the transmission shaft can be directly influenced, so that the transmission shaft can be segmented into a front shaft and a rear shaft, and the front shaft and the rear shaft are connected by adopting a support and a universal joint fork.
When the conventional sectional type transmission shaft is installed, a first universal joint fork is welded at one end of a front shaft, a support and a second universal joint fork are pressed at the other end of the front shaft, then a third universal joint fork is synchronously welded at one end of a rear shaft, a fourth universal joint fork is welded at the other end of the rear shaft, and then the second universal joint fork on the front shaft close to the support is connected with the third universal joint fork on the rear shaft; when connecting second universal joint fork and third universal joint fork, the quality of front axle and spare part and rear axle and spare part is all great, and the second universal joint fork is difficult to aim at with the third universal joint fork, can directly lead to the second universal joint fork difficult and the third universal joint fork between assembly error big for the central line of front axle and rear axle can't coincide, and then can lead to the transmission shaft assembly to beat when using big.
After the initial installation of the transmission shaft assembly is finished, the transmission shaft assembly needs to be transferred to straightening equipment for straightening treatment, because the installation sequence in the front causes large installation errors of the front shaft and the rear shaft, the straightening workload of the whole transmission shaft assembly is large during the straightening treatment; meanwhile, after the transmission shaft assembly is straightened, the transmission shaft assembly needs to be transferred to welding equipment, in the transferring process of the transmission shaft assembly, errors can be generated again at the installation position of the transmission shaft assembly, the straightening is not performed again during welding, the welding is directly performed, the welding errors at the welding position are large, and finally the requirement that the transmission shaft assembly cannot meet full jump can be met.
Disclosure of Invention
The invention aims to provide a transmission shaft press-fitting and welding integrated machine to solve the problem that full run-out cannot be met due to errors at the installation position of a transmission shaft assembly.
In order to achieve the above object, the basic scheme of the invention is as follows: a transmission shaft press-fitting and welding integrated machine comprises a processing table, a plurality of welding units, a plurality of straightening units, five clamping units capable of clamping a universal joint fork or a support, a first press-fitting block and a second press-fitting block which are slidably mounted on the processing table, wherein a first sliding unit for the clamping units to horizontally slide is fixedly arranged on the processing table, four clamping units, the first press-fitting block and the second press-fitting block are all positioned on the same horizontal axis, and the four clamping units are positioned between the first press-fitting block and the second press-fitting block; the processing bench is vertically and fixedly provided with an installation plate, the straightening detection unit and the welding unit are both fixedly arranged on the installation plate, and the straightening detection unit and the welding unit can be in contact with the side wall of the front shaft or the rear shaft.
The principle and advantages of the basic scheme are as follows: when the transmission shaft assembly is installed, a first universal joint fork, a support, a second universal joint fork, a third universal joint fork and a fourth universal joint fork can be sequentially clamped on five clamping units according to the installation sequence, then the support and the second universal joint fork are attached and installed by slidably clamping the two clamping units of the support and the second universal joint fork through a first sliding unit, and then the clamping unit of the third universal joint fork is slidably clamped through a first sliding unit, so that the third universal joint fork is attached to the second universal joint fork, and the third universal joint fork and the second universal joint fork are connected and installed; then the front shaft is horizontally and coaxially placed between the first universal joint fork and the support, the rear shaft is horizontally and coaxially placed between the third universal joint fork and the fourth universal joint fork, the first press-mounting block and the second press-mounting block slide oppositely on the machining table, so that the front shaft and the rear shaft are tightly pressed between the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork, and the front shaft, the rear shaft, the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork are convenient to install and small in installation error.
The clamping unit can let first universal joint fork, the supporting, the second universal joint fork, third universal joint fork and fourth universal joint fork maintain on same horizontal axis, after carrying out the installation of third universal joint fork and second universal joint fork, also can let the supporting, second universal joint fork and third universal joint fork maintain on same horizontal axis, can effectually reduce the assembly error of third universal joint fork and second universal joint fork, let the central line of front axle and rear shaft after the equipment can the level coincidence, can effectually reduce the condition of beating of transmission shaft assembly when using.
After the press mounting of the transmission shaft assembly is completed, the straightening detection units on the mounting plate detect the straightening condition of the transmission shaft assembly, the straightening detection units can simultaneously detect the front shaft assembly and the rear shaft assembly, and when the straightening state detected by the straightening detection units does not meet the requirement, the front shaft assembly and the rear shaft assembly are straightened; when the straight state detected by the straightening detection unit meets the requirement, the requirement of full jump between the front axle assembly and the rear axle assembly can be met; at this moment, the transmission shaft assembly does not need to be taken down, the welding unit can be directly controlled to weld the joint of the first universal joint fork and the front shaft, the joint of the front shaft and the support and the second universal joint fork, the joint of the third universal joint fork and the rear shaft and the joint of the rear shaft and the fourth universal joint fork, and when welding can be guaranteed, the connection between the front shaft assembly and the rear shaft assembly is kept stable, so that the finally welded transmission shaft assembly meets the requirement of full jump.
Further, the first sliding unit comprises a first slide rail, a second slide rail, a first slide block and a second slide block, wherein the first slide block and the second slide block slide on the first slide rail or the second slide rail; the first sliding block is fixedly connected with the clamping unit, and the second sliding block is fixedly connected with the first press-mounting block.
Through the arrangement, the first slide rail can guide the horizontal sliding of the clamping unit, so that after the clamping unit clamps the first universal joint fork, the support, the second universal joint fork or the third universal joint fork, the first slide block can be controlled to enable the clamping unit to horizontally move along the first slide rail and the second slide rail, and the front shaft and the rear shaft can be conveniently installed between the universal joint fork and the support; meanwhile, when the front shaft, the rear shaft, the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork are pressed, the second sliding block can drive the first pressing block to slide along the first sliding rail and the second sliding rail to the direction of the second pressing block, so that the first pressing block and the second pressing block can be opposite to the front shaft, the rear shaft, the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork, and the transmission shaft assembly is accurately pressed.
The hydraulic pushing rod is horizontally arranged, the axis of the hydraulic pushing rod is parallel to the horizontal axis of the first sliding rail, one end of the hydraulic pushing rod is fixedly connected with the connecting frame, and the other end of the hydraulic pushing rod is fixedly connected with one side of the first pressing block far away from the second pressing block.
Through the arrangement, when the first press-fitting block is controlled to move towards the second press-fitting block to press the transmission shaft assembly tightly, the oil pump can be started, hydraulic oil is pumped into the oil cylinder by the pump, the hydraulic oil is synchronously pumped into the hydraulic push rod to enable the hydraulic push rod to extend, the hydraulic push rod pushes the first press-fitting block to move towards the second press-fitting block, and the first press-fitting block and the second press-fitting block press the transmission shaft assembly tightly; in the process, the first press-fitting block can stably move along the first slide rail and the second slide rail under the limitation of the second slide block, so that the pressing process of the transmission shaft assembly is more stable.
Furthermore, the clamping units respectively comprise a first clamping piece, a second clamping piece and two second sliding units for controlling the first clamping piece and the second clamping piece to approach to or separate from each other, the first clamping piece and the second clamping piece are symmetrically arranged along the horizontal axis of the processing table, and the two second sliding units are symmetrically arranged along the horizontal axis of the processing table; the first clamping piece is provided with a first clamping surface, the second clamping piece is provided with a second clamping surface, and the first clamping surface and the second clamping surface are arranged oppositely; the lower end of the first clamping piece is fixedly provided with a first fixed block, the lower end of the second clamping piece is fixedly provided with a second fixed block, the first sliding block is fixedly connected with the lower end of the first fixed block or the lower end of the second fixed block, the first clamping piece is connected with the first sliding rail through the first sliding block, and the second clamping piece is vertically connected with the second sliding rail through the first sliding block.
Through the arrangement, when the corresponding clamping unit clamps the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork, the first clamping piece and the second clamping piece move in the opposite direction under the control of the second sliding unit, so that the distance between the first clamping piece and the second clamping piece is reduced, when the first clamping surface and the second clamping surface are abutted against the side surface of the first universal joint fork, the support, the second universal joint fork or the third universal joint fork, the first clamping piece and the second clamping piece can clamp the first universal joint fork, the support, the second universal joint fork or the third universal joint fork, and the first clamping piece and the second clamping piece are convenient to clamp the first universal joint fork, the support, the second universal joint fork or the third universal joint fork.
Further, the second sliding unit comprises a sliding rod and a third sliding block which is slidably mounted on the sliding rod, a first supporting frame is arranged between the first fixing block and the first sliding block, a second supporting frame is arranged between the second fixing block and the first sliding block, two ends of the sliding rod penetrate through the first fixing block and are fixedly connected with the first supporting frame, the first fixing block is in sliding contact with the first supporting frame, two ends of the sliding rod penetrate through the second fixing block and are fixedly connected with the second supporting frame, and the second fixing block is in sliding contact with the second supporting frame; the third sliding block is fixedly connected with the first fixing block or the second fixing block, and the axis of the sliding rod is perpendicular to the vertical plane where the first clamping face is located.
Through the arrangement, the third sliding block can drive the first clamping piece and the second clamping piece to be close to or away from each other, the first fixing block and the first supporting frame can stably support the sliding of the first clamping piece, the second fixing block and the second supporting frame can stably support the sliding of the second clamping piece, and the third sliding block can control the distance between the first clamping face and the second clamping face.
Further, the alignment detection unit comprises a position adjusting frame and an alignment detection meter which can be abutted against the side face of the front shaft or the rear shaft, one end of the position adjusting frame is fixedly connected with the mounting plate, the other end of the position adjusting frame is fixedly connected with the alignment detection meter, a pressure probe is arranged on the alignment detection meter, and the pressure probe can be contacted with the side face of the front shaft or the rear shaft; the first fixing disc is coaxially and rotatably arranged on one side, close to the first press fitting block, of the second press fitting block, the second fixing disc is coaxially and rotatably arranged on one side, close to the first press fitting block, of the second press fitting block, the first fixing disc can be detachably connected with the first universal joint fork, and the second fixing disc can be detachably connected with the fourth universal joint fork.
Through the arrangement, when the transmission shaft assembly is straightened, the straightening detection meter can be pulled to move to the front shaft or the rear shaft under the support of the position adjusting frame, so that the pressure probe is contacted with the side surface of the front shaft or the rear shaft, then the first fixing disc and the second fixing disc can be rotated by rotating, the transmission shaft assembly is driven to rotate relative to the straightening detection meter, at the moment, whether the pressure measured on the straightening detection meter is changed or not is observed, and if the pressures measured on all the straightening detection meters are continuously unchanged, the full jump between the front shaft assembly and the rear shaft assembly meets the requirement; if the alignment detection meter has pressure detection data change, the corresponding installation of the front axle or the rear axle is adjusted, so that the alignment detection is convenient, and the detection and adjustment are quick.
Further, the welding unit comprises a welding gun, a walking part driving the welding gun to move up and down and a welding wire arranged in the welding gun, the lower end of the welding gun can be contacted with a part to be welded of the transmission shaft assembly, and the lower end of the welding wire penetrates through the welding gun and is positioned at the lower end of the welding gun; the walking part comprises a slide bar and a servo slide block, the servo slide block is slidably mounted on the slide bar, the slide bar is vertically arranged, the upper end and the lower end of the slide bar are fixedly connected with the mounting plate, and the side face of the welding gun is fixedly connected with the servo slide block.
Through the arrangement, when the joint of the first universal joint fork and the front shaft, the support and the second universal joint fork, the joint of the third universal joint fork and the rear shaft and the joint of the rear shaft and the fourth universal joint fork are required to be welded, the servo slider is controlled to drive the welding gun to move up and down on the slide bar, and the welding gun can accurately weld the joint of the first universal joint fork and the front shaft, the support and the second universal joint fork, the joint of the third universal joint fork and the rear shaft and the joint of the rear shaft and the fourth universal joint fork.
Furthermore, all fixed mounting has a plurality of handles on the circumference of first fixed disk and second fixed disk, and a plurality of handles evenly set up on the circumference of first fixed disk and second fixed disk.
Through the arrangement, when the transmission shaft assembly is straightened and detected or welded, the first fixed disk and the second fixed disk are required to drive the transmission shaft assembly to rotate, the handle can be held by a hand at the moment, and the first fixed disk and the second fixed disk are conveniently driven to rotate, so that the first fixed disk and the second fixed disk are labor-saving in rotating operation and convenient to rotate.
Furthermore, the longitudinal section profiles of the first clamping surfaces are both < ", the longitudinal section profiles of the second clamping surfaces are both >", and the anti-skid pads are fixedly mounted on the first clamping surfaces and the second clamping surfaces.
Through the arrangement, when the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork are installed between the first clamping surface and the second clamping surface, the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork can be limited in the annular hole formed by the first clamping surface and the second clamping surface in an enclosing mode, the upper side and the lower side of the first clamping surface and the lower side of the second clamping surface can abut against the side walls of the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork, and the stability of clamping of the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork is improved.
The welding device further comprises a cover and a winding disc, wherein the upper side of the cover is hinged with the upper side of the mounting plate, the cover can cover the first fixed disc, the second fixed disc and the welding guns, and through holes for the welding guns to pass through are formed in one side, close to the mounting plate, of the cover; the winding disc is rotatably installed at the upper end of the installation plate, and the welding wire is wound on the winding disc.
In the welding process, the cover is turned to be in a vertical state, the cover covers the first fixed disk, the second fixed disk and the four welding guns, and then the welding guns are controlled to move downwards through the servo sliding block to weld the to-be-welded positions of the transmission shaft assembly; during welding, the generated sparks are blocked by the cover, so that stimulation to eyes of workers can be avoided, and the safety during welding is improved; simultaneously can be with a large amount of welding wires rolling on the rolling dish, after the welding wire consumption of welder lower extreme, the welding wire on the rolling dish can be by lax for the lower extreme of welding wire can be quick stretch to outside welder, and then carry out quick replenishment to the welding wire of consumption.
Drawings
Fig. 1 is a schematic structural view of a transmission shaft press-fitting and welding integrated machine in the main viewing direction in embodiment 1 of the present invention;
FIG. 2 is an enlarged view of the left-most welding unit of FIG. 1;
FIG. 3 is an enlarged view of the leftmost alignment detection unit;
FIG. 4 is a cross-sectional view of the processing station and leftmost clamping unit of FIG. 1 as viewed from the left;
fig. 5 is a schematic structural view of a main view direction of a transmission shaft press-fitting and welding integrated machine in embodiment 2 of the present invention;
fig. 6 is a left-side sectional view of the processing table and the leftmost holding unit in fig. 5.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a processing table 10, a mounting plate 101, a slag collecting cavity 103, an opening 104, a first clamping piece 201, a second clamping piece 202, a first clamping surface 203, a second clamping surface 204, an anti-skid pad 205, a first fixing block 206, a second fixing block 207, a first supporting frame 208, a second supporting frame 209, a first sliding rail 301, a second sliding rail 302, a first sliding block 303, a sliding rod 401, a third sliding block 402, an oil pump 50, an oil cylinder 501, a hydraulic push rod 502, a connecting frame 503, an operation box 504, a second sliding block 505, a first press-fitting block 506, a second press-fitting block 507, a first fixed disc 508, a second fixed disc 509, a handle 510, an alignment detection meter 60, a pressure probe 601, a fixing block 602, a rotating shaft 603, a first connecting rod 604, a second connecting rod 605, a pressing piece 701, a pneumatic rod 702, an air cylinder 703, a welding gun 80, a winding disc 801, a sliding rod 802, a servo sliding block cover, welding wires 807, 805 and through.
Example 1
Example 1 is substantially as shown in figures 1, 2, 3 and 4: a transmission shaft press-fitting and welding integrated machine comprises a processing table 10, four welding units, four straightening units and five clamping units capable of clamping a universal joint fork or a support, wherein a mounting plate 101 is vertically welded on the processing table 10, and the mounting plate 101 is n-shaped; the machining table 10 is fixedly provided with a first sliding unit for horizontally sliding the clamping unit.
As shown in fig. 1 and 2, the first sliding unit includes a first slide rail 301, a second slide rail 302, and a first slider 303 and a second slider 505 that slide on the first slide rail 301 or the second slide rail 302, the first slide rail 301 and the second slide rail 302 are screwed on the machining table 10, and the axes of the first slide rail 301 and the second slide rail 302 are both parallel to the horizontal axis of the machining table 10; the second slider 505 is welded with the lower end face of the first press-fitting block 506.
As shown in fig. 1, the control unit includes an oil pump 50, an oil cylinder 501, a hydraulic push rod 502, and an operation box 504 for controlling the extension or contraction of the hydraulic push rod 502, which are sequentially connected, a connecting frame 503 is welded on the right end of the processing table 10, the hydraulic push rod 502 is horizontally arranged, the axis of the hydraulic push rod 502 is parallel to the horizontal axis of the first slide rail 301, the right end of the hydraulic push rod 502 is welded with the connecting frame 503, the left end of the hydraulic push rod 502 is welded with the left side of the first press-fitting block 506, the oil cylinder 501 is welded on the left side of the connecting frame 503, the oil pump 50 is arranged on the right end of the processing table 10, a control module for controlling the oil pump 50 is arranged in the operation box 504, and the operation box 504 is welded on the front side of the.
As shown in fig. 1, a first fixed disk 508 is coaxially and rotatably mounted on the left side of the first press-fitting block 506, a second fixed disk 509 is coaxially and rotatably mounted on the right side of the second press-fitting block 507, rolling bearings for rotating the first fixed disk 508 and the second fixed disk 509 are welded between the first fixed disk 508 and the first press-fitting block 506 and between the second fixed disk 509 and the second press-fitting block 507, the first fixed disk 508 can be connected with a first universal joint fork in a buckling manner, the second fixed disk 509 can be connected with a fourth universal joint fork in a buckling manner, a plurality of handles 510 are fixedly mounted on the circumferences of the first fixed disk 508 and the second fixed disk 509, and the plurality of handles 510 are uniformly arranged on the circumferences of the first fixed disk 508 and the second fixed disk 509.
As shown in fig. 4, the clamping units each include a first clamping piece 201, a second clamping piece 202, and two second sliding units that control the first clamping piece 201 and the second clamping piece 202 to approach each other or to separate from each other, the first clamping piece 201 and the second clamping piece 202 are symmetrically disposed along a horizontal axis of the processing table 10, and the two second sliding units are symmetrically disposed along the horizontal axis of the processing table 10; be equipped with first clamping face 203 on the right side of first clamping piece 201, be equipped with second clamping face 204 on the second clamping piece 202, first clamping face 203 and the relative setting of second clamping face 204, the longitudinal section profile of first clamping face 203 all is "<" type, the longitudinal section profile of second clamping face 204 all is ">" type, all glue joint has slipmat 205 on first clamping face 203 and the second clamping face 204, the longitudinal section profile of slipmat 205 is "<" or ">" type.
Meanwhile, as shown in fig. 4, a first fixing block 206 is welded to the lower end of the first clamping piece 201, and a second fixing block 207 is welded to the lower end of the second clamping piece 202; meanwhile, the second sliding unit comprises a sliding rod 401 and a third sliding block 402 which is slidably mounted on the sliding rod 401, a first supporting frame 208 is arranged between the first fixed block 206 and the first sliding block 303, a second supporting frame 209 is arranged between the second fixed block 207 and the first sliding block 303, two ends of the sliding rod 401 penetrate through the first fixed block 206 and are welded with the first supporting frame 208, the first fixed block 206 is in sliding contact with the first supporting frame 208, two ends of the sliding rod 401 penetrate through the second fixed block 207 and are welded with the second supporting frame 209, and the second fixed block 207 is in sliding contact with the second supporting frame 209; the third sliding block 402 is welded with the first fixing block 206 or the second fixing block 207, and the axis of the sliding rod 401 is perpendicular to the vertical plane of the first clamping surface 203; when the first clamping surface 203 and the second clamping surface 204 are close to each other, the minimum horizontal distance between the first clamping surface 203 and the second clamping surface 204 is smaller than the minimum diameter of the universal joint yoke, and the minimum horizontal distance between the first clamping surface 203 and the second clamping surface 204 is smaller than the minimum diameter of the support; the first slide rail 301 and the second slide rail 302 are both linear guide rails, and the first slider 303 and the second slider 505 are both rectangular sliders; the sliding rod 401 is a cylindrical linear guide rail, and the third sliding block 402 is a cylindrical sliding block.
As shown in fig. 1 and 2, the welding unit includes a welding gun 80, a winding disc 801, a walking part driving the welding gun 80 to move up and down, and a welding wire 804 installed in the welding gun 80, the walking part includes a slide rod 401 and a servo slide block 803, the slide rod 401 is vertically arranged, the servo slide block 803 is slidably installed on the slide rod 401, the upper end and the lower end of the slide rod 401 are both welded with the front side of the mounting plate 101, the rear side of the welding gun 80 is welded with the front side of the servo slide block 803, and the lower end of the welding gun 80 can be in contact with the joint of the first universal joint fork and the front shaft, the joint of the front shaft and the support and the second universal joint fork, the joint of the third universal joint fork and the rear shaft, and the joint of the rear; the take-up reel 801 is rotatably mounted on the upper end of the mounting plate 101, the welding wire 804 is wound on the take-up reel 801, and the lower end of the welding wire 804 passes through the welding gun 80 and is located at the lower end of the welding gun 80.
As shown in fig. 3, the alignment detection unit includes a position adjustment frame and an alignment detection meter 60 that can abut against the side of the front axle or the rear axle, a pressure probe 601 is disposed on the alignment detection meter 60, the pressure probe 601 can contact with the side of the front axle or the rear axle, the position adjustment frame includes a fixed block 602, a rotation shaft 603, a first connection rod 604 and a second connection rod 605, the fixed block 602 is vertically welded on the mounting plate 101, the rotation shaft 603 is coaxially installed on the lower end of the fixed block 602, the first connection rod 604 is horizontally disposed, the left end of the first connection rod 604 is welded to the side wall of the rotation shaft 603, the left end of the first connection rod 604 is hinged to the right end of the second connection rod 605, and the right end of the second connection rod 605 is welded to the alignment detection.
In the embodiment, when the integrated press-fitting and welding machine for the transmission shaft is used, the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork are sequentially installed on five clamping units from left to right, in the process of clamping the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork, the third sliding blocks 402 positioned on two sides of the horizontal axis of the processing table 10 are controlled to synchronously move in opposite directions along the sliding rods 401, the third sliding blocks 402 synchronously drive the first fixing blocks 206 and the second fixing blocks 207 to move in opposite directions, so that the first clamping pieces 201 and the second clamping pieces 202 move in opposite directions, at the moment, the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork are positioned between the first clamping pieces 201 and the second clamping pieces 202, and when the anti-slip pads 205 on the first clamping surface 203 and the second clamping surface 204 and the first universal joint fork and the second clamping surface 204 are positioned between the first clamping pieces 201 and the first universal joint fork, When the outer walls of the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork are attached, clamping and limiting of the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork can be achieved, the support is opposite to one side, away from the ear hole, of the first universal joint fork, the support is opposite to one side, away from the ear hole, of the second universal joint fork, and one side, close to the ear hole, of the second universal joint fork is opposite to one side, close to the ear hole, of the third universal joint fork.
Then, the support, the second universal joint fork and the third universal joint fork are connected, the clamping units clamping the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork move towards each other under the drive of the first sliding block 303, so that the support, the second universal joint fork and the third universal joint fork approach each other, after the support, the second universal joint fork and the third universal joint fork are attached, the support, the second universal joint fork and the third universal joint fork are sequentially installed together, and in the process, if the axes of the support, the second universal joint fork and the third universal joint fork are not on the same horizontal line, the positions of the first clamping piece 201 and the second clamping piece 202 in the three clamping units can be slightly adjusted, so that the axes of the support, the second universal joint fork and the third universal joint fork are on the same horizontal line; simultaneously when the unable buckle installation of second universal joint fork and third universal joint fork, also can slightly rotate second universal joint fork and third universal joint fork between first clamping piece 201 and the second clamping piece 202, be convenient for connect second universal joint fork and third universal joint fork, so supporting, during the installation of second universal joint fork and third universal joint fork, the position adjustment of supporting, second universal joint fork and third universal joint fork is convenient, be convenient for realize supporting, the accurate installation of second universal joint fork and third universal joint fork.
The first sliding block 303 is used for controlling the first universal joint fork to move leftwards, so that the left end face of the first universal joint fork is connected with the second fixed disc in a buckling mode, meanwhile, the first sliding block 303 is used for controlling the fourth universal joint fork to move rightwards, and the right end face of the fourth universal joint fork is connected with the first fixed disc in a buckling mode; meanwhile, the eight first sliding blocks 303 on the bottoms of the four clamping units are controlled, so that the distance between the first universal joint fork and the support is greater than or equal to the length of the front shaft, and the distance between the third universal joint fork and the fourth universal joint fork is greater than or equal to the length of the rear shaft; then, a front shaft is horizontally and coaxially arranged between a first universal joint fork and a support, a rear shaft is horizontally and coaxially arranged between a third universal joint fork and a fourth universal joint fork, then, a control module in an operation box 504 is controlled to start an oil pump 50, the oil pump 50 pumps hydraulic oil into an oil cylinder 501, the hydraulic oil is synchronously pumped into a hydraulic push rod 502, the hydraulic push rod 502 is extended, the left end of the hydraulic push rod 502 pushes a first press-mounting block 506 to move leftwards, at the moment, under the limitation of a second sliding block 505, the first press-mounting block 506 moves leftwards along a first sliding rail 301 and a second sliding rail 302, a first fixing disc and a second fixing disc synchronously move towards each other, so that the front shaft and the rear shaft are tightly pressed between the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork, and the installation of the front shaft, the rear shaft, the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork is realized, and when the transmission shaft assembly is installed, the front shaft, the rear shaft, the support, the second universal joint fork and the third universal joint fork are all kept in a coaxial state, and the assembly error of the transmission shaft assembly can be effectively reduced.
Then, pulling the alignment detection meter 60 in the alignment detection unit to enable the pressure probes 601 on the alignment detection meter 60 to contact with the side faces of the front shaft or the rear shaft, and at the moment, the four pressure probes 601 respectively contact with the four pressure probes 601 respectively at the left end of the front shaft, the right end of the front shaft and the left end of the rear shaft and the right end of the rear shaft; then, the handle 510 can be held to drive the first fixing disk 508 and the second fixing disk 509 to rotate, the first fixing disk 508 and the second fixing disk 509 synchronously drive the whole transmission shaft assembly to rotate, the pressure probe 601 is in sliding contact with the side surface of the front shaft or the rear shaft, and if the pressure measured on all the alignment detection tables 60 is continuously unchanged, the full jump between the front shaft assembly and the rear shaft assembly meets the requirement; if the pressure detection data of the alignment detection meter 60 changes, the corresponding installation of the front axle or the rear axle is adjusted, so that the pressure measured by the alignment detection meter 60 is continuously unchanged, and the alignment of the transmission shaft assembly is realized.
After the transmission shaft assembly is straightened, the first fixed disk 508 and the second fixed disk 509 are suspended to rotate, then the four servo sliding blocks 803 are controlled, the four servo sliding blocks 803 synchronously drive the welding gun 80 to move downwards, so that a welding wire 804 on the lower end of the welding gun 80 is in contact with the joint of the first universal joint fork and the front shaft, the joint of the front shaft and the support and the second universal joint fork, the joint of the third universal joint fork and the rear shaft and the joint of the rear shaft and the fourth universal joint fork, then the welding gun 80 is started, and the welding gun 80 welds the joint of the first universal joint fork and the front shaft, the joint of the front shaft and the support and the second universal joint fork, the joint of the third universal joint fork and the rear shaft and the joint of the rear shaft and the fourth universal joint fork; meanwhile, the first fixed disk 508 and the second fixed disk 509 drive the transmission shaft assembly to rotate again, the welding position is continuously opposite to the welding wire 804 on the welding gun 80, the welding gun 80 carries out circumferential overall welding on the belt welding position, and the welding speed is high; after the welding wire 804 consumes, the welding wire 804 on the rolling dish 801 can be loosened for the lower extreme of welding wire 804 can be quick stretch to outside welder 80, and then carries out quick replenishment to the welding wire 804 that consumes, can effectual improvement welding efficiency.
After the transmission shaft assembly is pressed and assembled, the control module in the control operation box 504 is used again to enable the oil pump 50 to suck hydraulic oil in the oil cylinder 501 and the hydraulic push rod 502, so that the hydraulic push rod 502 is shortened, the transmission shaft assembly located between the first pressing block 506 and the second pressing block 507 is released, and after the transmission shaft assembly is taken down, the next transmission shaft assembly can be pressed, aligned and welded.
Example 2
Embodiment 2 is different from embodiment 1 in that embodiment 2 is basically as shown in fig. 5 and fig. 6, and further includes a limiting unit and a cover 805, the limiting unit includes a tightening piece 701, a pneumatic rod 702, and an air cylinder 703 welded on the mounting plate 101, an upper end of the pneumatic rod 702 is vertically slidably mounted in the air cylinder 703, a lower end of the pneumatic rod 702 is welded to the tightening piece 701, a tightening groove horizontally penetrates through a lower side of the tightening piece 701, an inner wall of the tightening groove is arc-shaped, and an axis of the tightening groove in the horizontal direction can coincide with an axis of the first fixing disk 508.
As shown in fig. 5, the upper side of the cover 805 is hinged to the upper side of the mounting plate 101, the cover 805 can cover the first fixed disk 508, the second fixed disk 509 and the four welding guns 80, and a through hole 807 for the four welding guns 80 to pass through is formed on the side of the cover 805 close to the mounting plate 101.
As shown in fig. 6, a slag collecting cavity 103 is arranged in the processing table 10, an opening 104 communicated with the slag collecting cavity 103 is arranged on the upper surface of the processing table 10, the opening 104 of the slag collecting cavity 103 is positioned between a first slide rail 301 and a second slide rail 302, the side surface of the slag collecting cavity 103 is obliquely arranged, and the longitudinal section profile of the slag collecting cavity 103 is in an inverted trapezoidal shape; meanwhile, the first clamping surface 203 and the second clamping surface 204 are both arc surfaces; the first clamping surface 203 and the second clamping surface 204 are both welded with anti-skid pads 205, and the anti-skid pads 205 are both arc-surface shaped.
Compared with the embodiment 1, the integrated press-fitting and welding machine for the transmission shaft in the embodiment has the following differences that when the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork are clamped between the first clamping surface 203 and the second clamping surface 204, the arc-surface-shaped first clamping surface 203 and the arc-surface-shaped second clamping surface 204 can be fully attached to the side surfaces of the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork, and the clamping stability of the first universal joint fork, the support, the second universal joint fork, the third universal joint fork and the fourth universal joint fork can be improved; meanwhile, when the side surfaces of the first, support, second, third and fourth universal joint forks abut against the first clamping surface 203 and the second clamping surface 204, the abutting force between the side surfaces of the first, support, second, third and fourth universal joint forks and the first clamping surface 203 and the second clamping surface 204 can be uniformly transmitted to the arc surface, so that the side surfaces of the first, support, second, third and fourth universal joint forks are not easily scratched or scratched.
After the transmission shaft assembly is straightened, the air cylinder 703 is started, the air cylinder 703 pushes the air pressure rod 702 and the abutting sheet 701 to move downwards, and the abutting groove on the abutting sheet 701 is contacted with the upper side of the front shaft, so that the transmission shaft assembly is limited, and the transmission shaft assembly is driven by the first fixed disc 508 and the second fixed disc 509 to keep stable rotation in the subsequent welding process.
In the welding process, the cover 805 is turned to be in a vertical state, at this time, the cover 805 covers the first fixed disk 508, the second fixed disk 509 and the four welding guns 80, and then the servo sliding block 803 controls the welding guns 80 to move downwards to weld to-be-welded positions of the transmission shaft assembly; during welding, the generated sparks are blocked by the cover 805, so that stimulation to eyes of workers can be avoided, and the safety during welding is improved; meanwhile, part of metal chips or other impurities generated enter the slag collecting cavity 103 through the opening 104, and the slag collecting cavity 103 can guide the metal chips or other impurities, so that most of the metal chips or other impurities are collected in the slag collecting cavity 103, and the cleanliness of the surrounding processing environment can be improved.
Claims (10)
1. A transmission shaft press-fitting and welding integrated machine comprises a processing table and a plurality of welding units, and is characterized by further comprising a plurality of straightening units, five clamping units capable of clamping a universal joint fork or a support, a first press-fitting block and a second press-fitting block which are slidably mounted on the processing table, wherein a first sliding unit for the clamping units to horizontally slide is fixedly arranged on the processing table, the four clamping units, the first press-fitting block and the second press-fitting block are all located on the same horizontal axis, and the four clamping units are located between the first press-fitting block and the second press-fitting block; the processing bench is vertically and fixedly provided with an installation plate, the straightening detection unit and the welding unit are both fixedly arranged on the installation plate, and the straightening detection unit and the welding unit can be in contact with the side wall of the front shaft or the rear shaft.
2. The transmission shaft press-fitting and welding all-in-one machine is characterized in that the first sliding unit comprises a first sliding rail, a second sliding rail, a first sliding block and a second sliding block, wherein the first sliding block and the second sliding block slide on the first sliding rail or the second sliding rail; the first sliding block is fixedly connected with the clamping unit, and the second sliding block is fixedly connected with the first press-mounting block.
3. The transmission shaft press-fitting and welding integrated machine according to claim 2, further comprising a control unit and a connecting frame, wherein the control unit comprises an oil pump, an oil cylinder and a hydraulic push rod which are sequentially communicated, the connecting frame is fixedly installed at one end, close to the first press-fitting block, of the machining table, the hydraulic push rod is horizontally arranged, the axis of the hydraulic push rod is parallel to the horizontal axis of the first slide rail, one end of the hydraulic push rod is fixedly connected with the connecting frame, and the other end of the hydraulic push rod is fixedly connected with one side, far away from the second press-fitting block, of the first press-fitting block.
4. The transmission shaft press-fitting and welding all-in-one machine is characterized in that each clamping unit comprises a first clamping piece, a second clamping piece and two second sliding units for controlling the first clamping piece and the second clamping piece to approach to or separate from each other, the first clamping piece and the second clamping piece are symmetrically arranged along a horizontal axis of the machining table, and the two second sliding units are symmetrically arranged along the horizontal axis of the machining table; the first clamping piece is provided with a first clamping surface, the second clamping piece is provided with a second clamping surface, and the first clamping surface and the second clamping surface are arranged oppositely; the clamping device is characterized in that a first fixing block is fixedly mounted at the lower end of the first clamping piece, a second fixing block is fixedly mounted at the lower end of the second clamping piece, the first sliding block is fixedly connected with the lower end of the first fixing block or the lower end of the second fixing block, the first clamping piece is connected with the first sliding rail through the first sliding block, and the second clamping piece is vertically connected with the second sliding rail through the first sliding block.
5. The transmission shaft press-fitting and welding integrated machine according to claim 4, wherein the second sliding unit comprises a sliding rod and a third sliding block slidably mounted on the sliding rod, a first supporting frame is arranged between the first fixing block and the first sliding block, a second supporting frame is arranged between the second fixing block and the first sliding block, two ends of the sliding rod penetrate through the first fixing block and are fixedly connected with the first supporting frame, the first fixing block is in sliding contact with the first supporting frame, two ends of the sliding rod penetrate through the second fixing block and are fixedly connected with the second supporting frame, and the second fixing block is in sliding contact with the second supporting frame; the third sliding block is fixedly connected with the first fixing block or the second fixing block, and the axis of the sliding rod is perpendicular to the vertical plane where the first clamping face is located.
6. The transmission shaft press-fitting and welding integrated machine according to claim 5, wherein the alignment detection unit comprises a position adjusting frame and an alignment detection meter which can abut against the side face of the front shaft or the rear shaft, one end of the position adjusting frame is fixedly connected with the mounting plate, the other end of the position adjusting frame is fixedly connected with the alignment detection meter, a pressure probe is arranged on the alignment detection meter, and the pressure probe can contact with the side face of the front shaft or the rear shaft; the first fixing disc is coaxially rotatably arranged on one side, close to the first press mounting block, of the second press mounting block, the second fixing disc is coaxially rotatably arranged on one side, close to the first press mounting block, of the second press mounting block, the first fixing disc can be detachably connected with the first universal joint fork, and the second fixing disc can be detachably connected with the fourth universal joint fork.
7. The transmission shaft press-fitting and welding all-in-one machine is characterized in that the welding unit comprises a welding gun, a walking part driving the welding gun to move up and down, and a welding wire arranged in the welding gun, the lower end of the welding gun can be in contact with a part to be welded of the transmission shaft assembly, and the lower end of the welding wire penetrates through the welding gun and is positioned at the lower end of the welding gun; the walking part comprises a slide bar and a servo slide block, the servo slide block is slidably mounted on the slide bar, the slide bar is vertically arranged, the upper end and the lower end of the slide bar are fixedly connected with the mounting plate, and the side face of the welding gun is fixedly connected with the servo slide block.
8. A transmission shaft press-fitting and welding integrated machine as claimed in claim 7, wherein a plurality of handles are fixedly mounted on the circumferences of the first fixing disc and the second fixing disc, and are uniformly arranged on the circumferences of the first fixing disc and the second fixing disc.
9. The transmission shaft press-fitting and welding all-in-one machine is characterized in that the profiles of the longitudinal sections of the first clamping surface and the second clamping surface are both < ", the profiles of the longitudinal sections of the second clamping surface are both >", and anti-skid pads are fixedly mounted on the first clamping surface and the second clamping surface respectively.
10. A transmission shaft press-fitting and welding integrated machine according to claim 9, further comprising a cover and a winding disc, wherein the upper side of the cover is hinged to the upper side of the mounting plate, the cover can cover the first fixed disc, the second fixed disc and the welding guns, and through holes for the welding guns to pass through are formed in one side of the cover, which is close to the mounting plate; the winding disc is rotatably installed at the upper end of the installation plate, and the welding wire is wound on the winding disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011064237.8A CN112192209A (en) | 2020-09-30 | 2020-09-30 | Transmission shaft press-fitting and welding integrated machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011064237.8A CN112192209A (en) | 2020-09-30 | 2020-09-30 | Transmission shaft press-fitting and welding integrated machine |
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| CN112192209A true CN112192209A (en) | 2021-01-08 |
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| CN202011064237.8A Pending CN112192209A (en) | 2020-09-30 | 2020-09-30 | Transmission shaft press-fitting and welding integrated machine |
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| WO2022001115A1 (en) * | 2020-06-29 | 2022-01-06 | 浙江佛尔泰智能设备有限公司 | Automobile transmission shaft straightening machine having automatic welding function |
| CN114700734A (en) * | 2022-04-19 | 2022-07-05 | 苏州耀华自动化设备有限公司 | Transmission shaft assembly straightening welding equipment and process thereof |
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Application publication date: 20210108 |