CN210548815U - Vertical friction welding machine - Google Patents
Vertical friction welding machine Download PDFInfo
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- CN210548815U CN210548815U CN201921652697.5U CN201921652697U CN210548815U CN 210548815 U CN210548815 U CN 210548815U CN 201921652697 U CN201921652697 U CN 201921652697U CN 210548815 U CN210548815 U CN 210548815U
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- 238000003466 welding Methods 0.000 title abstract description 82
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 110
- 239000010959 steel Substances 0.000 claims abstract description 110
- 210000000078 claw Anatomy 0.000 claims abstract description 86
- 230000005540 biological transmission Effects 0.000 claims description 59
- 230000007246 mechanism Effects 0.000 claims description 34
- 238000005452 bending Methods 0.000 claims description 22
- 210000004907 gland Anatomy 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 66
- 229910052782 aluminium Inorganic materials 0.000 abstract description 66
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract 1
- 230000004630 mental health Effects 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 description 17
- 238000009434 installation Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009323 psychological health Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model belongs to the field of welding equipment, and relates to a vertical friction welding machine, which comprises a base, wherein a lower frame and an upper frame are arranged above the base, the lower frame and the upper frame are fixedly connected through a stand column, a lower hydraulic cylinder is arranged at the upper part of the lower frame, an upper hydraulic cylinder is arranged at the lower part of the upper frame, and the axial leads of the lower hydraulic cylinder and the upper hydraulic cylinder are superposed; a rotary tool is arranged between the lower frame and the upper frame, the rotary tool rotates around a stand column, a steel claw clamping device is arranged above the rotary tool, a clamp positioning hole is formed in one end of the steel claw clamping device, and the stand column penetrates through the clamp positioning hole and is fixed with the steel claw clamping device through a shaft sleeve. The utility model can directly weld the steel claw and the aluminum guide rod into a whole, and the equipment is convenient to operate, has no flame and smoke dust in the friction welding process, solves the problem of environmental pollution, purifies the working environment of a factory and is beneficial to the physical and mental health of workers; the equipment reduces material consumption and labor cost and improves production efficiency.
Description
Technical Field
The utility model relates to a vertical friction welding machine belongs to the welding equipment field.
Background
In the production of electrolytic aluminum, the anode is known as "heart of electrolysis", and how the conductive effect of the steel claw and the aluminum guide rod group constituting the anode determines the power consumption per ton of aluminum to some extent, and the welding quality of the steel claw and the aluminum guide rod determines the quality of the whole anode. Therefore, the welding equipment for welding the steel claw and the aluminum guide rod into a whole is particularly important, at present, the traditional electric welding is mainly adopted, an explosion block needs to be arranged between the steel claw and the aluminum guide rod, the aluminum guide rod is welded with the aluminum surface of the explosion block, and the steel claw is welded with the steel surface of the explosion block, so that three welding planes are structurally formed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the vertical friction welding machine can directly weld the steel claw and the aluminum guide rod into a whole, and realizes comprehensive welding of dissimilar metals of the steel claw and the aluminum guide rod; the equipment is convenient to operate, flame and smoke are avoided in the welding process, the problem of environmental pollution is solved, the working environment of a factory is purified, and physical and psychological health of workers is facilitated; the equipment reduces material consumption and labor cost and improves production efficiency.
The utility model discloses a vertical friction welding machine, including the base, be equipped with lower frame and upper frame above the base, connect fixedly through the stand between lower frame and the upper frame, lower hydraulic cylinder is equipped with on the lower portion of lower frame, upper hydraulic cylinder is equipped with in the upper frame lower part, the axial lead coincidence of lower hydraulic cylinder and upper hydraulic cylinder; a rotary tool is arranged between the lower frame and the upper frame, the rotary tool rotates around a stand column, a steel claw clamping device is arranged above the rotary tool, a clamp positioning hole is formed in one end of the steel claw clamping device, and the stand column penetrates through the clamp positioning hole and is fixed with the steel claw clamping device through a shaft sleeve.
When in welding, the rotary tool is rotated out of a welding machine frame consisting of a lower frame, an upper frame and a stand column at the beginning, then a workpiece aluminum square rod is arranged in the rotary tool, a workpiece steel claw is arranged in a steel claw clamping device and is fastened and fixed, then the rotary tool is rotated and rotated into the welding machine frame and is stopped at a preset position, the workpiece aluminum square rod corresponds to the welding position of the workpiece steel claw, a lower hydraulic cylinder tightly pushes the corresponding position on the rotary tool and transmits certain pressure to the workpiece aluminum square rod, meanwhile, an upper hydraulic cylinder tightly pushes the steel claw clamping device and transmits certain pressure to the steel claw clamping device, at the moment, the corresponding part of the rotary tool drives the workpiece aluminum square rod to rotate, the upper hydraulic cylinder is pressed down at a preset speed to form friction follow-up, and after a certain time, the workpiece aluminum square rod stops rotating; the upper hydraulic cylinder is quickly pressed down according to the set pressure to realize friction welding, the lower hydraulic cylinder and the upper hydraulic cylinder are kept for a period of time to form an ideal welding joint, and the welding process is finished; then the lower hydraulic cylinder and the upper hydraulic cylinder retract, the rotary tool rotates out to the outer side of the welding machine, the steel claw clamping device loosens the steel claw, and the travelling crane in the machining workshop is matched to take out the welded total workpiece to enter the next cycle.
Preferably, the rotary tool comprises a tool base frame, a transmission case is arranged on the tool base frame, an input shaft of the transmission case is connected with an output shaft of a main motor through a transmission device, a transmission disc is arranged at the top of the transmission case and fixedly connected with a big bevel gear of the transmission case, a workpiece placing through hole is formed in the middle of the transmission disc, an anti-bending mechanism is arranged below the transmission case, a rotary top seat is arranged below the anti-bending mechanism, and the axial leads of the anti-bending mechanism, the rotary top seat and the transmission disc coincide; the lower part of the tool base frame is provided with a rotating part; the bottom of the tool base frame is provided with a trundle.
The transmission case comprises a large bevel gear and a small bevel gear, the small bevel gear is driven by an input shaft of the transmission case to rotate, the small bevel gear is in meshing transmission with the large bevel gear, and the transmission disc is fixed with the large bevel gear through a positioning pin; and the top end of the bending prevention mechanism is fixedly welded with an installation flange, and the installation flange is fixed at the bottom end of the transmission disc through bolts. When installing work piece aluminium square bar before the welding, rotating part control frock bed frame is rotatory around the stand, carry and prevent curved mechanism, rotatory footstock and driving disc are rolled out from the total welding machine frame, then the driving cooperation in the welding workshop is with work piece aluminium square bar hoist, make work piece aluminium square bar place the through-hole from the work piece of driving disc and put into, then pass and prevent curved mechanism and insert to rotatory footstock in, then rotating part control frock bed frame is rotatory once more around the stand, will prevent curved mechanism, rotatory footstock, driving disc and work piece aluminium square bar shift to the welding station department in the total welding machine frame, rotatory footstock is located the lower hydraulic cylinder top of total welding machine this moment, and the piston post of lower hydraulic cylinder passes through bolt fixed connection bottom the rotatory footstock. The installation positioning process is simple and reliable, and time and labor are saved. The shape of the workpiece placing through hole is matched with that of the workpiece. The transmission device comprises a clutch, a reduction gear box and a coupler. During welding, main motor work is through transmission with power output to transmission case, and the transmission case drives the transmission disc and rotates, and the transmission disc rotates and drives and places the work piece aluminium square bar rotation of through-hole shape assorted with the work piece, and simultaneously, the piston rod cooperation top of hydraulic cylinder is tight under the total welding machine, and rotatory footstock drives work piece aluminium square bar and upwards pushes up tightly, and the welding is accomplished with the steel claw that sets up in the total welding machine top under the combined action of hydraulic cylinder and main motor.
Preferably, the rotating part include moving gear and fixed gear of intermeshing, move gear and frock base frame fixed connection, the fixed gear suit is fixed in the stand periphery, be equipped with swivel bearing between stand and the frock base frame, move the gear connection rotary drive mechanism. The rotary driving mechanism is fixed on the tool base frame and is a rotary driving motor. When the rotary driving motor works, the output shaft of the rotary driving motor drives the moving gear to rotate around the fixed gear, so that the rotary driving motor is driven to drive the tool base frame to rotate around the stand column.
Preferably, the anti-bending mechanism comprises a straight pipe, a plurality of layers of alignment hole groups are arranged on the pipe wall of the straight pipe, each layer of alignment hole group comprises two groups of through holes, one group of through holes comprises two circular through holes with coincident center lines, and the two center lines of the two groups of through holes on the layer are parallel; the central lines of the upper and lower adjacent layers of circular through holes are perpendicular to each other, and round steel is inserted into the circular through holes and is in running fit with the circular through holes. The round steel can flexibly rotate in the round through hole. When the device is used, a workpiece is loaded into or removed from one end of the straight pipe, and the round steel in the row plays a role of a slideway so that the workpiece is smoothly loaded and unloaded; when the friction jacking and upsetting processes are carried out, the side surfaces around the workpiece lean against the round steel, and the round steel is enclosed into an area matched with the appearance of the workpiece, so that the round steel can effectively prevent the workpiece from bending deformation.
Preferably, the rotary top seat comprises a seat shell provided with a central through hole, a rotary shaft seat is arranged in the central through hole of the seat shell, the central through hole is in a step shape, the upper part of the rotary shaft seat is arranged in the large hole end of the central through hole, a top seat bearing is arranged between the rotary shaft seat and the inner wall of the central through hole, the top seat bearing is in interference fit with the inner wall of the central through hole, the top seat bearing is in clearance fit with the rotary shaft seat, a gland is fixed at the top end of the seat shell, and the top end of the rotary shaft seat penetrates through the middle; the upper end face of the rotating shaft seat is provided with a workpiece placing groove, the bottom end face of the rotating shaft seat is positioned in the small hole end of the central through hole, and an angle measuring device is fixed on the bottom end face of the rotating shaft seat.
The gland is fixedly connected with the seat shell through a screw, and the top end of the rotating shaft seat is higher than the top surface of the gland. The workpiece is inserted into the workpiece placing groove, the cross section of the workpiece placing groove is matched with the cross section of the workpiece, and the rotating shaft seat is driven to rotate when the workpiece rotates. In the use, this device passes through the bolt and fixes with the piston post top of the lower pneumatic cylinder of master welding machine, consequently, the top of lower pneumatic cylinder advances and drives work piece aluminium square bar and steel claw top, and main motor on the equipment drives work piece aluminium square bar rotatory, the aluminium square bar is rotatory to drive the rotation axis seat rotatory, and angle measuring device gives control system with the rotatory condition record of rotation axis seat and transmission in friction welding process, calculate the position feedback to the workstation in time by the computer, let operating personnel in time acquire the position of aluminium square bar, thereby make the better judgement of operating personnel finish rotatory moment, guarantee that the aluminium square bar locating position in the product is correct when the welding finishes, accord with the requirement of customer to the product. The bottom end face of the rotating shaft seat is positioned in the small hole end of the central through hole, and the bottom end face of the rotating shaft seat is not in contact with a lower hydraulic cylinder used by matching with the device, so that the lower hydraulic cylinder has no influence on the rotation of the rotating shaft seat.
Preferably, the steel claw clamping device comprises a fixture fixed side wall and a fixture movable side wall, and the fixture fixed side wall and the fixture movable side wall are connected and fixed through a connecting shaft group; a fixed clamp tire is arranged in the middle of the fixed clamp side wall, a clamping oil cylinder is arranged on the movable clamp side wall at a position corresponding to the fixed clamp tire, a movable clamp tire is arranged at the end part of a piston rod of the clamping oil cylinder, and the fixed clamp tire and the movable clamp tire clamp and position the steel claw; one end of the fixture fixed side wall is provided with a fixture positioning hole. The device is installed on a welding machine, when a steel claw is clamped, the steel claw is hung to the fixed tire of the clamp of the clamping station through a travelling crane, the piston rod of the clamping oil cylinder extends out of the position of the steel claw, and the movable tire of the clamp at the end part of the piston rod and the fixed tire of the clamp tightly clamp the steel claw. After welding is completed, the piston rod retracts, the clamping force of the fixture movable tire and the fixture fixed tire on the steel claw disappears, the traveling crane can finish hoisting the welded product, and the welded product can be moved out at the moment.
Preferably, the clamping surfaces of the fixture fixed tire and the fixture movable tire are provided with arc-shaped positioning grooves. The shape size phase-match of arc constant head tank and steel claw grapple, the steel claw is when pressing from both sides tightly, places the grapple of steel claw in the arc constant head tank rather than corresponding, makes things convenient for the location of steel claw on the one hand, and on the other hand can guarantee that anchor clamps decide child and anchor clamps move the child and respectively with the abundant contact of steel claw, presss from both sides the tight more firm with the steel claw.
Preferably, the distance between the two center lines of each layer of alignment hole group is the same; the straight pipe is a circular pipe or a square pipe. The currently used workpiece is generally an aluminum square bar, the area enclosed by the upper and lower adjacent straightening hole groups is exactly square, and is matched with the shape of the aluminum square bar, so that the aluminum square bar can be better prevented from being bent; the length of the straight pipe can be determined according to the specific length of the aluminum square rod.
The diameter of the round steel is 30-60 mm, the round steel is moderate in thickness, and the round steel not only has extremely high strength, but also is convenient for workers to specifically operate; the distance between the upper and lower adjacent two layers of alignment hole groups is 60-90 mm, the distance is moderate, and the aluminum square bar can be effectively prevented from being bent.
Preferably, the cross section of the workpiece placing groove is polygonal; the top seat bearing comprises a rotating bearing and a positioning bearing, a shaft shoulder is arranged in the middle of the rotating shaft seat, the rotating bearing is arranged between the shaft shoulder and the gland, and the positioning bearing is arranged between the shaft shoulder and the end wall of the large hole. Most of the cross sections of the aluminum square rods of the existing workpieces are square, and the cross sections of the workpiece placing grooves are matched with the cross sections of the aluminum square rods of the workpieces; the outer ring of the shaft shoulder is smaller than the inner diameter of the large hole of the central through hole, so that the rotating shaft seat is not influenced by the shaft shoulder in the rotating process. The rotating bearing and the positioning bearing can enable the rotating shaft seat to rotate more smoothly, can play a positioning role in the rotating shaft seat, avoid the rotating shaft seat from shaking randomly in the central through hole of the seat shell, slow down the loss of components and prolong the service life of the components.
Preferably, a tool positioning hole is formed in one side of the lower portion of the rotary tool, a locking hydraulic cylinder is additionally arranged above the lower rack, and the locking hydraulic cylinder corresponds to the tool positioning hole in position. When the rotary tool rotates to a welding station in the frame, a piston rod of the locking hydraulic cylinder is ejected out and inserted into a tool positioning hole of the rotary tool, and the rotary tool is positioned and fixed.
The connecting shaft group of the steel claw clamping device comprises two connecting rods, the two connecting rods are respectively arranged on two sides of the fixture fixed tire, and the fixture fixed side wall, the fixture movable side wall and the two connecting rods form a closed ring to form a stress closed loop, so that the steel claw clamping device is favorable for clamping and protecting the device per se. The number of the clamping oil cylinders is 2, the two clamping oil cylinders are symmetrical about the central axis of the fixture fixed tire, the central axis of the steel claw is superposed with the central axis of the fixture fixed tire, the two clamping oil cylinders are symmetrically distributed, the equal stress of all parts of the steel claw is ensured, and the phenomenon that the welding is influenced due to the fact that one end of the steel claw is tilted is avoided, so that the quality of a welding product is ensured.
The steel claw clamping device is fixed with the stand column through the shaft sleeve, so that the steel claw clamping device and the welding machine frame form stress closed circulation, stress relief is facilitated, and the device and the welding machine body are prevented from being damaged.
Compared with the prior art, the utility model beneficial effect who has is:
the utility model has reasonable structural design, can directly weld the steel claw and the aluminum guide rod into a whole, and realizes the comprehensive welding of dissimilar metals of the steel claw and the aluminum guide rod; the equipment is convenient to operate, flame and smoke are avoided in the welding process, the problem of environmental pollution is solved, the working environment of a factory is purified, and physical and psychological health of workers is facilitated; the equipment reduces material consumption and labor cost and improves production efficiency.
Drawings
FIG. 1 is a schematic view of a vertical friction welder;
FIG. 2 is a schematic view of a rotary tool;
FIG. 3 is a schematic view of the structure of the bending prevention mechanism (the straight pipe is a circular pipe);
3 FIG. 34 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 in 3 FIG. 33 3; 3
FIG. 5 is a top view of the bending prevention mechanism (the straight tube is a square tube);
FIG. 6 is a schematic view of the structure of the rotary top seat (front view);
FIG. 7 is a schematic view (top view) of the structure of the rotary top base;
FIG. 8 is a schematic structural view of a steel claw clamping device;
fig. 9, a section view of the inside of the transmission case.
In the figure: 1. a tooling base frame; 2. rotating the top seat; 3. an anti-bending mechanism; 4. a fixed gear; 5. a moving gear; 6. a rotation driving mechanism; 7. a caster wheel; 8. a main motor; 9. a clutch; 10. a reduction gear box; 11. a coupling; 12. a workpiece placing through hole; 13. a drive plate; 14. a transmission case; 15. a straight pipe; 16. round steel; 17. a circular through hole; 18. a workpiece placing groove; 19. a gland; 20. a rotating bearing; 21. a seat shell; 22. an angle measuring device; 23. positioning the bearing; 24. a central through hole; 25. a shaft shoulder; 26. a rotating shaft seat; 27. a base; 28. a lower frame; 29. a lower hydraulic cylinder; 30. locking a hydraulic cylinder; 31. a column; 32. an upper frame; 33. an upper hydraulic cylinder; 34. a steel jaw clamping device; 35. rotating the tool; 36. side wall fixing of the clamp; 37. fixing the tire by a clamp; 38. a steel claw; 39. a connecting rod; 40. moving the tire by a clamp; 41. clamping the oil cylinder; 42. moving the side wall of the clamp; 43. an arc-shaped positioning groove; 44. positioning holes of the clamp; 45. a shaft sleeve; 46. installing a flange; 47. positioning pins; 48. a large bevel gear; 49. a bevel pinion.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
as shown in fig. 1-9, the vertical friction welding machine of the present invention comprises a base 27, a lower frame 28 and an upper frame 32 are disposed above the base 27, the lower frame 28 and the upper frame 32 are connected and fixed by a column 31, a lower hydraulic cylinder 29 is disposed on the upper portion of the lower frame 28, an upper hydraulic cylinder 33 is disposed on the lower portion of the upper frame 32, and the axial leads of the lower hydraulic cylinder 29 and the upper hydraulic cylinder 33 coincide; a rotary tool 35 is arranged between the lower frame 28 and the upper frame 32, the rotary tool 35 rotates around a vertical column 31, a steel claw clamping device 34 is arranged above the rotary tool 35, a clamp positioning hole 44 is arranged at one end of the steel claw clamping device 34, and the vertical column 31 penetrates through the clamp positioning hole 44 and is fixed with the steel claw clamping device 34 through a shaft sleeve 45.
In this embodiment:
the rotary type tool 35 comprises a tool base 27 frame 1, a transmission case 14 is arranged on the tool base 27 frame 1, an input shaft of the transmission case 14 is connected with an output shaft of a main motor 8 through a transmission device, a transmission disc 13 is arranged at the top of the transmission case 14, the transmission disc 13 is fixedly connected with a big bevel gear of the transmission case 14, a workpiece placing through hole 12 is arranged in the middle of the transmission disc 13, an anti-bending mechanism 3 is arranged below the transmission case 14, a rotary top seat 2 is arranged below the anti-bending mechanism 3, and the axial leads of the anti-bending mechanism 3, the rotary top seat 2 and the transmission disc 13 are coincided; the lower part of the frame 1 of the tooling base 27 is provided with a rotating part; the bottom of the tool base 27 frame 1 is provided with a caster 7.
The transmission case 14 comprises a big bevel gear 48 and a small bevel gear 49, the small bevel gear 49 is driven by an input shaft of the transmission case 14 to rotate, the small bevel gear 49 is in meshing transmission with the big bevel gear 48, and the transmission disc 13 is fixed with the big bevel gear 48 through a positioning pin 47; and a mounting flange 46 is fixedly welded at the top end of the bending prevention mechanism 3, and the mounting flange 46 is fixed at the bottom end of the transmission disc 13 through bolts. When installing work piece aluminium square bar before the welding, rotating part control frock base 27 frame 1 is rotatory around stand 31, carry and prevent curved mechanism 3, rotatory footstock 2 and driving disc 13 rotate out from the total welding machine frame, then the driving cooperation in the welding workshop hangs work piece aluminium square bar, make work piece aluminium square bar place the through-hole 12 from the work piece of driving disc 13 and put into in, then pass and prevent curved mechanism 3 and insert to rotatory footstock 2 in, then rotating part control frock base 27 frame 1 rotates once more around stand 31, will prevent curved mechanism 3, rotatory footstock 2, driving disc 13 and work piece aluminium square bar and change over to the welding station department in the total welding machine frame, rotatory footstock 2 is located the lower pneumatic cylinder 29 top of total welding machine this moment, and the piston post of lower pneumatic cylinder 29 passes through bolt fixed connection with rotatory footstock 2 bottom. The installation positioning process is simple and reliable, and time and labor are saved. The shape of the workpiece placing through hole 12 matches the shape of the workpiece. The transmission comprises a clutch 9, a reduction gearbox 10 and a coupling 11. During welding, main motor 8 works and exports power to transmission case 14 through transmission, transmission case 14 drives transmission disc 13 and rotates, transmission disc 13 rotates and drives and places the work piece aluminium square bar rotation of through-hole 12 shape assorted with the work piece, and simultaneously, the piston rod cooperation top of hydraulic cylinder 29 is tight under the total welding machine, and rotatory footstock 2 drives work piece aluminium square bar and upwards pushes up tightly, and the welding is accomplished with the steel claw 38 that sets up in the total welding machine top under the combined action of hydraulic cylinder 29 and main motor 8 down. A certain gap exists between the bending prevention mechanism 3 and the rotary top seat 2, so that whether the workpiece aluminum square rod is installed on the rotary top seat 2 or not can be observed conveniently.
The rotating part includes moving gear 5 and fixed gear 4 of intermeshing, and moving gear 5 and 27 frame 1 fixed connection of frock base, and fixed gear 4 suit are fixed in stand 31 periphery, are equipped with swivel bearing between stand 31 and 27 frame 1 of frock base, and moving gear 5 connects rotary drive mechanism 6. The rotary driving mechanism 6 is fixed on the tool base 27 frame 1, and the rotary driving mechanism 6 is a rotary driving motor. When the rotary driving motor works, the output shaft of the rotary driving motor drives the moving gear 5 to rotate around the fixed gear 4, so that the rotary driving motor drives the tool base 27 frame 1 to rotate around the upright column 31.
The bending prevention mechanism 3 comprises a straight pipe 15, a plurality of layers of alignment hole groups are arranged on the pipe wall of the straight pipe 15, each layer of alignment hole group comprises two groups of through holes, one group of through holes comprises two circular through holes 17 with coincident center lines, and the two center lines of the two groups of through holes on the layer are parallel; the central lines of the two adjacent layers of circular through holes 17 are vertical to each other, the round steel 16 is inserted into the circular through holes 17, and the round steel 16 is matched with the circular through holes 17 in a rotating mode. The round steel 16 flexibly rotates in the round through hole 17. When the device is used, a workpiece is loaded into or removed from one end of the straight pipe 15, and the round steel 16 in rows plays a role of a slideway so that the workpiece is smoothly loaded and unloaded; when friction jacking and upsetting processes are carried out, the side surfaces around the workpiece lean against the round steel 16, and the round steel 16 is enclosed into an area matched with the appearance of the workpiece, so that the round steel 16 can effectively prevent the workpiece from bending deformation.
The rotary top seat 2 comprises a seat shell 21 provided with a central through hole 24, a rotary shaft seat 26 is arranged in the central through hole 24 of the seat shell 21, the central through hole 24 is in a step shape, the upper part of the rotary shaft seat 26 is arranged in the large hole end of the central through hole 24, a top seat bearing is arranged between the rotary shaft seat 26 and the inner wall of the central through hole 24, the top seat bearing is in interference fit with the inner wall of the central through hole 24, the top seat bearing is in clearance fit with the rotary shaft seat 26, a gland 19 is fixed at the top end of the seat shell 21, and the top end of the rotary shaft seat 26 penetrates through; the upper end face of the rotary shaft seat 26 is provided with a workpiece placing groove 18, the bottom end face of the rotary shaft seat 26 is positioned in the small hole end of the central through hole 24, and the bottom end face of the rotary shaft seat 26 is fixed with an angle measuring device 22. The angle measuring device 22 is an incremental encoder which is connected with an external signal processing system and can play a role in positioning the aluminum square bar of the workpiece, so that the aluminum square bar of the workpiece can be kept at a correct position.
The gland 19 is fixedly connected with the seat shell 21 through screws, and the top end of the rotary shaft seat 26 is higher than the top surface of the gland 19. The workpiece is inserted into the workpiece placing groove 18, and the cross section of the workpiece placing groove 18 matches the cross section of the workpiece, and the workpiece rotates to drive the rotary shaft seat 26 to rotate. In the use process, the device is fixed with the top end of a piston column of a lower hydraulic cylinder 29 of a general welding machine through a bolt, so that the jacking of the lower hydraulic cylinder 29 drives a workpiece aluminum square rod to jack with a steel claw 38, a main motor 8 on the device drives the workpiece aluminum square rod to rotate, the aluminum square rod rotates to drive a rotating shaft seat 26 to rotate, an angle measuring device 22 records and transmits the rotating condition of the rotating shaft seat 26 to a control system in the jacking process, the position is timely calculated by a computer and fed back to a workbench, an operator is enabled to timely acquire the position of the aluminum square rod, and therefore the worker can better judge the moment of finishing rotation, the aluminum square rod in a product is enabled to be placed correctly when the welding is finished, and the requirement of a client on the product is met. The bottom end surface of the rotating shaft seat 26 is positioned in the small hole end of the central through hole 24, and the bottom end surface of the rotating shaft seat 26 is not contacted with the lower hydraulic cylinder 29 used in cooperation with the device, so that the lower hydraulic cylinder 29 has no influence on the rotation of the rotating shaft seat 26.
The steel claw clamping device 34 comprises a clamp fixed side wall 36 and a clamp movable side wall 42, and the clamp fixed side wall 36 and the clamp movable side wall 42 are connected and fixed through a connecting shaft group; a fixture fixed tire 37 is arranged in the middle of the fixture fixed side wall 36, a clamping oil cylinder 41 is arranged on the fixture movable side wall 42 at a position corresponding to the fixture fixed tire 37, a fixture movable tire 40 is arranged at the end part of a piston rod of the clamping oil cylinder 41, and the fixture fixed tire 37 and the fixture movable tire 40 clamp and position the steel claw 38; one end of the fixture side wall 36 is provided with a fixture positioning hole 44. The device is arranged on a welding machine, when the steel claw 38 is clamped, the steel claw 38 is hung to the fixed fixture tire 37 of the clamping station through a travelling crane, at the moment, the piston rod of the clamping oil cylinder 41 extends out to the position of the steel claw 38, and the movable fixture tire 40 and the fixed fixture tire 37 at the end part of the piston rod clamp the steel claw 38. After welding is completed, the piston rod retracts, the clamping force of the clamp movable tire 40 and the clamp fixed tire 37 on the steel claw 38 disappears, the traveling crane hoists a product which is welded, and the product which is welded can be moved out at the moment.
The clamping surfaces of the fixture fixed tire 37 and the fixture movable tire 40 are provided with arc-shaped positioning grooves 43. The shape and size of the arc-shaped positioning groove 43 and the steel claw 38 gripper are matched, when the steel claw 38 is clamped tightly, the gripper of the steel claw 38 is placed in the corresponding arc-shaped positioning groove 43, on one hand, the positioning of the steel claw 38 is facilitated, on the other hand, the sufficient contact between the fixture fixed tire 37 and the fixture movable tire 40 and the steel claw 38 can be ensured, and the steel claw 38 is clamped more firmly.
The distance between the two central lines of each layer of alignment hole group is the same; the straight tube 15 is a circular tube or a square tube. The currently used workpiece is generally an aluminum square bar, the area enclosed by the upper and lower adjacent straightening hole groups is exactly square, and is matched with the shape of the aluminum square bar, so that the aluminum square bar can be better prevented from being bent; the length of the straight pipe 15 can be determined according to the specific length of the aluminum square bar.
The diameter of the round steel 16 is 30mm-60mm, and the round steel 16 is moderate in thickness, so that the round steel not only has extremely high strength, but also is convenient for workers to operate; the distance between the upper and lower adjacent two layers of alignment hole groups is 60-90 mm, the distance is moderate, and the aluminum square bar can be effectively prevented from being bent.
The cross section of the workpiece placing groove 18 is polygonal; the top seat bearing comprises a rotating bearing 20 and a positioning bearing 23, a shaft shoulder 25 is arranged in the middle of the rotating shaft seat 26, the rotating bearing 20 is arranged between the shaft shoulder 25 and the gland 19, and the positioning bearing 23 is arranged between the shaft shoulder 25 and the end wall of the large hole. Most of the cross sections of the aluminum square bars of the existing workpieces are square, and the cross section of the workpiece placing groove 18 is matched with the cross section of the aluminum square bar of the workpiece; the outer ring of the shaft shoulder 25 is smaller than the inner diameter of the large hole of the central through hole 24, so that the rotary shaft seat 26 is not influenced by the shaft shoulder 25 in the rotating process. The rotating bearing 20 and the positioning bearing 23 can enable the rotating shaft seat 26 to rotate more smoothly, and can play a role in positioning the rotating shaft seat 26, so that the rotating shaft seat 26 is prevented from randomly swinging in the central through hole 24 of the seat shell 21, the loss of components is reduced, and the service life of the components is prolonged.
A tool positioning hole is formed in one side of the lower portion of the rotary tool 35, a locking hydraulic cylinder 30 is additionally arranged above the lower frame 28, and the locking hydraulic cylinder 30 corresponds to the tool positioning hole in position. When the rotary tool 35 rotates to the welding station in the frame, the piston rod of the locking hydraulic cylinder 30 is ejected out and inserted into the tool positioning hole of the rotary tool 35, so that the rotary tool 35 is positioned and fixed.
The connecting shaft group of the steel claw clamping device 34 comprises two connecting rods 39, the two connecting rods 39 are respectively arranged on two sides of the fixture fixed tire 37, and the fixture fixed side wall 36, the fixture movable side wall 42 and the two connecting rods 39 form a closed ring to form a stress closed cycle, so that the clamping of the steel claw 38 and the protection of the device per se are facilitated. The number of the clamping oil cylinders 41 is 2, the two clamping oil cylinders 41 are symmetrical about the central axis of the fixture fixed tire 37, the central axis of the steel claw 38 is superposed with the central axis of the fixture fixed tire 37, the two clamping oil cylinders 41 are symmetrically distributed, the equal stress of each part of the steel claw 38 is ensured, the phenomenon that one end of the steel claw 38 is tilted to affect welding is avoided, and the quality of a welding product is ensured.
The steel claw clamping device 34 is fixed with one upright column 31 through the shaft sleeve 45, so that the steel claw clamping device 34 and the welding machine frame form stress closed circulation, stress is eliminated, and the device and the welding machine body are prevented from being damaged.
During welding, the rotary tool 35 is rotated out of a welding machine frame consisting of the lower frame 28, the upper frame 32 and the upright column 31 at the beginning, then a square aluminum rod of a workpiece is lifted by matching a travelling crane in a welding workshop, the square aluminum rod of the workpiece is placed into the workpiece placing through hole 12 of the transmission disc 13 and then passes through the bending prevention mechanism 3 to be inserted into the rotary top seat 2, then the workpiece steel claw 38 is placed into the steel claw clamping device 34 and fastened and fixed, then the rotary driving mechanism 6 acts to control the tool base 27 frame 1 to rotate around the upright column 31 again, the bending prevention mechanism 3, the rotary top seat 2, the transmission disc 13 and the square aluminum rod of the workpiece are rotated into the welding machine frame, the welding machine frame stops at a preset position, the locking hydraulic cylinder 30 positions and fixes the tool base 27 frame 1, and at the moment, the square aluminum rod of the workpiece corresponds to the connecting position of the workpiece steel claw 38; then the lower hydraulic cylinder 29 tightly props against the rotary top seat 2 and transmits certain pressure to the workpiece aluminum square rod, meanwhile, the upper hydraulic cylinder 33 tightly props against the steel claw clamping device 34 and transmits certain pressure to the steel claw clamping device 34, at the moment, the main motor 8 rotates and drives the transmission disc 13 to rotate through the transmission device, the transmission disc 13 rotates and drives the workpiece aluminum square rod matched with the shape of the workpiece placing through hole 12 to rotate in the rotary top seat 2, the upper hydraulic cylinder 33 presses down at a preset speed to form friction follow-up and realize friction welding, the rotary top seat 2 measures the rotating position through the angle measuring device 22 while following up, when the preset length and position are reached, the clutch 9 of the main motor 8 is disengaged, the workpiece aluminum square rod stops rotating, and the upper hydraulic cylinder 33 presses down quickly according to the set pressure to realize friction upsetting; maintaining the pressure of the lower hydraulic cylinder 29 and the upper hydraulic cylinder 33 for a period of time to form an ideal welding joint, powering off the main motor 8, and ending the welding process; then the lower hydraulic cylinder 29 and the upper hydraulic cylinder 33 retract, the rotary tool 35 rotates out to the outer side of the welding machine, the steel claw clamping device 34 loosens the steel claw 38, and the total workpiece after welding is taken out by the cooperation of the traveling crane in the processing workshop to enter the next cycle.
The welding machine can directly weld the steel claw and the aluminum guide rod into a whole, realizes comprehensive welding of dissimilar metals of the steel claw and the aluminum guide rod, can improve the conductivity and the strength of a welding product, and can prolong the service life of the welding product; the welding machine controls the motor and the hydraulic system through the PLC, the automation degree is high, and the welding is convenient and fast.
Claims (10)
1. A vertical friction welder, includes base (27), its characterized in that: a lower frame (28) and an upper frame (32) are arranged above the base (27), the lower frame (28) and the upper frame (32) are fixedly connected through an upright post (31), a lower hydraulic cylinder (29) is arranged at the upper part of the lower frame (28), an upper hydraulic cylinder (33) is arranged at the lower part of the upper frame (32), and the axial leads of the lower hydraulic cylinder (29) and the upper hydraulic cylinder (33) are superposed; a rotary tool (35) is arranged between the lower rack (28) and the upper rack (32), the rotary tool (35) rotates around a stand column (31), a steel claw clamping device (34) is arranged above the rotary tool (35), a clamp positioning hole (44) is formed in one end of the steel claw clamping device (34), and the stand column (31) penetrates through the clamp positioning hole (44) and is fixed with the steel claw clamping device (34) through a shaft sleeve (45).
2. The vertical friction welder according to claim 1, characterized in that: the rotary tool (35) comprises a tool base frame (1), a transmission case (14) is arranged on the tool base frame (1), an input shaft of the transmission case (14) is connected with an output shaft of a main motor (8) through a transmission device, a transmission disc (13) is arranged at the top of the transmission case (14), the transmission disc (13) is fixedly connected with a big bevel gear of the transmission case (14), a workpiece placing through hole (12) is formed in the middle of the transmission disc (13), an anti-bending mechanism (3) is arranged below the transmission case (14), a rotary top seat (2) is arranged below the anti-bending mechanism (3), and axial lines of the anti-bending mechanism (3), the rotary top seat (2) and the transmission disc (13) coincide; the lower part of the tool base frame (1) is provided with a rotating part; the bottom of the tool base frame (1) is provided with a caster (7).
3. The vertical friction welder according to claim 2, characterized in that: the rotating part includes moving gear (5) and fixed gear (4) of intermeshing, moves gear (5) and frock base frame (1) fixed connection, and fixed gear (4) suit is fixed in the stand periphery, is equipped with swivel bearing between stand and the frock base frame (1), moves gear (5) and connects rotation driving mechanism (6).
4. The vertical friction welder according to claim 2, characterized in that: the bending prevention mechanism (3) comprises a straight pipe (15), a plurality of layers of alignment hole groups are arranged on the pipe wall of the straight pipe (15), each layer of alignment hole group comprises two groups of through holes, one group of through holes comprises two circular through holes (17) with coincident center lines, and the two center lines of the two groups of through holes on the layer are parallel; the central lines of the upper and lower adjacent layers of circular through holes (17) are vertical to each other, round steel (16) is inserted into the circular through holes (17), and the round steel (16) is in running fit with the circular through holes (17).
5. The vertical friction welder according to claim 2, characterized in that: the rotary top seat (2) comprises a seat shell (21) provided with a central through hole (24), a rotary shaft seat (26) is arranged in the central through hole (24) of the seat shell (21), the central through hole (24) is in a step shape, the upper part of the rotary shaft seat (26) is arranged in the large hole end of the central through hole (24), a top seat bearing is arranged between the rotary shaft seat (26) and the inner wall of the central through hole (24), the top seat bearing is in interference fit with the inner wall of the central through hole (24), the top seat bearing is in clearance fit with the rotary shaft seat (26), a gland (19) is fixed at the top end of the seat shell (21), and the top end of the rotary shaft seat (26) penetrates through the middle through hole of the; the upper end surface of the rotating shaft seat (26) is provided with a workpiece placing groove (18), the bottom end surface of the rotating shaft seat (26) is positioned in the small hole end of the central through hole (24), and an angle measuring device (22) is fixed on the bottom end surface of the rotating shaft seat (26).
6. The vertical friction welder according to claim 1, characterized in that: the steel claw clamping device (34) comprises a fixture fixed side wall (36) and a fixture movable side wall (42), and the fixture fixed side wall (36) and the fixture movable side wall (42) are fixedly connected through a connecting shaft set; a fixture fixed tire (37) is arranged in the middle of the fixture fixed side wall (36), a clamping oil cylinder (41) is arranged on the fixture movable side wall (42) at a position corresponding to the fixture fixed tire (37), a fixture movable tire (40) is arranged at the end part of a piston rod of the clamping oil cylinder (41), and the fixture fixed tire (37) and the fixture movable tire (40) clamp and position the steel claw (38); one end of the fixture fixed side wall (36) is provided with a fixture positioning hole (44).
7. The vertical friction welder according to claim 6, characterized in that: the clamping surfaces of the fixture fixed tire (37) and the fixture movable tire (40) are provided with arc-shaped positioning grooves (43).
8. The vertical friction welder according to claim 4, characterized in that: the distance between the two central lines of each layer of alignment hole group is the same; the straight pipe (15) is a round pipe or a square pipe.
9. The vertical friction welder according to claim 5, characterized in that: the cross section of the workpiece placing groove (18) is polygonal; the footstock bearing comprises a rotating bearing (20) and a positioning bearing (23), a shaft shoulder (25) is arranged in the middle of the rotating shaft seat (26), the rotating bearing (20) is arranged between the shaft shoulder (25) and the gland (19), and the positioning bearing (23) is arranged between the shaft shoulder (25) and the end wall of the large hole.
10. The vertical friction welder according to claim 1, characterized in that: one side of the lower part of the rotary tool (35) is provided with a tool positioning hole, a locking hydraulic cylinder (30) is additionally arranged above the lower frame (28), and the locking hydraulic cylinder (30) corresponds to the tool positioning hole in position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652697.5U CN210548815U (en) | 2019-09-29 | 2019-09-29 | Vertical friction welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652697.5U CN210548815U (en) | 2019-09-29 | 2019-09-29 | Vertical friction welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210548815U true CN210548815U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921652697.5U Expired - Fee Related CN210548815U (en) | 2019-09-29 | 2019-09-29 | Vertical friction welding machine |
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| Country | Link |
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| CN (1) | CN210548815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560883A (en) * | 2019-09-29 | 2019-12-13 | 淄博斗木机械科技有限公司 | Vertical friction welding machine |
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2019
- 2019-09-29 CN CN201921652697.5U patent/CN210548815U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560883A (en) * | 2019-09-29 | 2019-12-13 | 淄博斗木机械科技有限公司 | Vertical friction welding machine |
| CN110560883B (en) * | 2019-09-29 | 2023-09-22 | 淄博斗木机械科技有限公司 | Vertical friction welding machine |
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Address after: 255086 No. 139 Beixin Road, Zibo High-tech Zone, Shandong Province Patentee after: Shandong Doumu Machinery Technology Co.,Ltd. Address before: 255086 No. 139 Beixin Road, Zibo High-tech Zone, Shandong Province Patentee before: ZIBO DOUMU MACHINERY TECHNOLOGY Co.,Ltd. |
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