CN114473179A - Friction welding machine - Google Patents
Friction welding machine Download PDFInfo
- Publication number
- CN114473179A CN114473179A CN202210236170.4A CN202210236170A CN114473179A CN 114473179 A CN114473179 A CN 114473179A CN 202210236170 A CN202210236170 A CN 202210236170A CN 114473179 A CN114473179 A CN 114473179A
- Authority
- CN
- China
- Prior art keywords
- tailstock
- integrated body
- sliding table
- movable sliding
- oil cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003466 welding Methods 0.000 title abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 109
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000033001 locomotion Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/121—Control circuits therefor
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/126—Workpiece support, i.e. backing or clamping
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/129—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding specially adapted for particular articles or workpieces
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/001—Turbines
Abstract
The invention discloses a friction welding machine, which relates to the technical field of friction welding and comprises a machine body, a main shaft system, a power system, a movable sliding table mechanism and an upsetting oil cylinder; the main shaft system is fixedly arranged on the lathe bed and used for installing a main shaft workpiece; the power system is fixedly arranged on the bed body and is in transmission connection with a main shaft of the main shaft system; the movable sliding table mechanism is connected with the lathe bed in a sliding mode and comprises a tailstock integrated body, the tailstock integrated body is used for installing a tailstock workpiece, an axis adjusting device is fixedly arranged on the movable sliding table mechanism, and the axis adjusting device can drive the tailstock integrated body to move and lock the position of the tailstock integrated body; the upsetting oil cylinder is fixedly arranged on the lathe bed, the output end of the upsetting oil cylinder is fixedly connected with the movable sliding table mechanism, and the upsetting oil cylinder can drive the movable sliding table mechanism to be close to or far away from the main shaft system. The friction welding machine provided by the invention can adjust the axis position of a tailstock workpiece.
Description
Technical Field
The invention relates to the technical field of friction welding, in particular to a friction welding machine.
Background
The rotor assembly is an important component of an aircraft engine and is a mechanical device for transmitting mechanical energy to gas to complete compression of a gas medium in a thermodynamic cycle of the engine so as to increase the pressure of the gas. The traditional connection of an aircraft engine rotor assembly is a mechanical bolt connection mode and an electron beam welding mode, but the mechanical connection causes the thickness and the quality of a compressor wheel disc to be larger, the whole weight of an engine is increased, the improvement of thrust-weight ratio and the performance of the aircraft engine are not facilitated, the electron beam welding method has higher heat input, larger welding deformation, higher residual stress after welding and high welding difficulty of dissimilar materials, the manufacturing requirement of the design of the aircraft engine compressor wheel disc is difficult to completely meet, the improvement of the whole performance of the aircraft engine is seriously restricted, the welding requirement of a workpiece can be met by adopting friction welding, the friction welding device in the prior art cannot adjust the axle center position of a tailstock and the axle center position of a clamp after completing production and manufacturing, so the problem of poor axle center precision of the workpiece with special welding requirement often occurs, and the existing friction welding machine restricts the workpiece to easily deviate due to the torque action in the welding process, resulting in the workpiece not meeting the welding requirements.
Disclosure of Invention
The invention aims to provide a friction welding machine, which is used for solving the problems in the prior art and can adjust the axis position of a tailstock workpiece.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a friction welding machine which comprises a machine body, a main shaft system, a power system, a movable sliding table mechanism and an upsetting oil cylinder, wherein the main shaft system is arranged on the machine body; the spindle system is fixedly arranged on the lathe bed and used for mounting a spindle workpiece; the power system is fixedly arranged on the bed body and is in transmission connection with a main shaft of the main shaft system; the movable sliding table mechanism is connected with the lathe body in a sliding mode and comprises a tailstock integrated body, the tailstock integrated body is used for mounting a tailstock workpiece, an axis adjusting device is fixedly arranged on the movable sliding table mechanism, and the axis adjusting device can drive the tailstock integrated body to move and lock the position of the tailstock integrated body; the upsetting oil cylinder is fixedly arranged on the lathe body, the output end of the upsetting oil cylinder is fixedly connected with the movable sliding table mechanism, and the upsetting oil cylinder can drive the movable sliding table mechanism to be close to or far away from the main shaft system.
Preferably, the tailstock structure further comprises a rotary isolation mechanism, the rotary isolation mechanism comprises a guide disc and a plurality of first adjusting mechanisms, the guide disc is used for being movably arranged on the tailstock integrated body, a through hole is formed in the guide disc, a plurality of idler wheels are evenly arranged on the inner wall of the through hole along the circumferential direction of the through hole, the spindle system comprises a rotary positioning body, the rotary positioning body is used for installing spindle workpieces, part of side walls of the idler wheels can be in contact with the outer wall of the rotary positioning body at the same time, the first adjusting mechanisms are fixedly arranged on the tailstock integrated body, the first adjusting mechanisms are distributed around the guide disc, and the radial position of the guide disc can be adjusted through matching of the first adjusting mechanisms so that the guide disc and the tailstock workpieces are coaxial and can be locked.
Preferably, each of the first adjusting mechanisms includes a first driving device and a first adjusting wedge, the first driving device is in transmission connection with the first adjusting wedge, the tailstock integrated body is provided with a plurality of first fixing wedges corresponding to the first adjusting wedges, the first adjusting wedges are driven by the first driving device to move, the first adjusting wedges can drive the first fixing wedges to move, so that the radial position of the guide disc is changed, and the guide disc can be locked by matching the first adjusting wedges with the first fixing wedges.
Preferably, the power system comprises an air cooling system and a driving system, the air cooling system can cool the driving system, and the driving system is in transmission connection with the spindle through a coupler.
Preferably, the spindle system further comprises a spindle box, a bearing seat, a balance hydraulic cylinder, a thrust disc, a thrust bearing, a floating bearing, a backup thrust bearing and the spindle, the spindle is partially located inside the spindle box and rotatably connected with the spindle box, the spindle is provided with a first shoulder, a first limiting part is arranged inside the spindle box, the thrust bearing is sleeved on the spindle and located between the first shoulder and the first limiting part, the balance hydraulic cylinder and the thrust disc are both fixedly arranged inside the spindle box and are not in contact with the spindle, the thrust disc is abutted against a piston rod of the balance hydraulic cylinder, one side of the thrust disc, far away from the balance hydraulic cylinder, is provided with a second limiting part, the spindle is provided with a second shoulder, and the floating bearing is sleeved on the spindle and located between the first shoulder and the first limiting part, one side that the headstock was kept away from remove slip table mechanism with bearing frame fixed connection, the main shaft is kept away from the one end that removes slip table mechanism can be followed stretch out in the bearing frame, the main shaft is kept away from one end threaded connection that removes slip table mechanism has a nut, the lateral wall of nut forms the spacing portion of third, the bearing frame has the spacing portion of fourth, it locates to be equipped with thrust bearing housing tightly on the main shaft and be located the spacing portion of third with between the spacing portion of fourth.
Preferably, the axis adjusting device includes a plurality of tensioning mechanisms and a plurality of second adjusting mechanisms, the movable sliding table mechanism further includes a movable sliding table, the tensioning mechanisms are disposed on one side of the movable sliding table away from the tailstock integrated body, each tensioning mechanism can drive the tailstock integrated body to move in a direction close to the movable sliding table to limit the movement of the tailstock integrated body, and the tailstock integrated body can be in a position-adjustable state by moving in a direction away from the movable sliding table; each second guiding mechanism all is used for fixed setting to remove on the slip table, and is a plurality of second guiding mechanism centers on tailstock integrated body distributes, when tailstock integrated body is in position adjustable state, can be to through a plurality of second guiding mechanism the radial position of tailstock integrated body is adjusted and is locked its radial position.
Preferably, each second adjusting mechanism includes a second driving device and a second adjusting wedge, the second driving device is in transmission connection with the second adjusting wedge, the tailstock integrated body is correspondingly provided with a plurality of second fixed wedges, the second driving device can drive the second adjusting wedge to move, one second adjusting wedge can drive one second fixed wedge to move, so that the position of the tailstock integrated body is changed, and the radial position of the tailstock integrated body can be locked by matching each second adjusting wedge with each second fixed wedge.
Preferably, the tensioning mechanism comprises a tensioning oil cylinder and a tensioning rod, the tensioning rod can sequentially penetrate through the movable sliding table and the tailstock integrated body, one end, far away from the tailstock integrated body, of the tensioning rod is in transmission connection with the tensioning oil cylinder, the other end of the tensioning rod is provided with a limiting end, the tensioning oil cylinder can drive the tensioning rod to move towards the direction far away from the tailstock integrated body, and the axial movement of the tailstock integrated body is limited by the matching of the limiting end and the movable sliding table.
Preferably, the upsetting oil cylinder comprises a first oil cylinder, a second oil cylinder and a locking mechanism, and a piston rod of the first oil cylinder is used for being fixedly connected with the movable sliding table; a movable sliding table connecting seat is fixedly arranged on the movable sliding table, at least part of a piston rod of the second oil cylinder can be positioned in the movable sliding table connecting seat and is in sliding connection with the movable sliding table connecting seat, and the piston rod of the first oil cylinder is parallel to the motion direction of the piston rod of the second oil cylinder; the locking mechanism can lock the movable sliding table connecting seat on a piston rod of the second oil cylinder.
Preferably, locking mechanism includes a plurality of connecting pieces, it keeps away from to remove the slip table connecting seat the one end of removing the slip table is followed a plurality of through-holes have evenly been seted up to removal slip table connecting seat circumference, a plurality of recesses have been seted up to the correspondence on the piston rod of second hydro-cylinder, pass a through-hole through a connecting piece and stretch into to correspond one that sets up with the through-hole can realize in the recess with it locks to remove the slip table seat in on the piston rod of second hydro-cylinder.
Compared with the prior art, the invention has the following technical effects:
according to the friction welding machine provided by the invention, the axis adjusting device is arranged on the movable sliding table mechanism, and the axis adjusting device can adjust the position of the tailstock integrated body for installing the tailstock workpiece, so that the axis position of the tailstock workpiece is changed. Therefore, the friction welding machine provided by the invention can adjust the axis position of the tailstock workpiece.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a friction welder provided by the present invention;
FIG. 2 is a schematic structural diagram of a mobile slide table mechanism provided in the present invention;
FIG. 3 is a cross-sectional view of a moving ramp mechanism provided in the present invention;
FIG. 4 is a schematic structural view of an upset cylinder provided in the present invention;
in the figure: 100-friction welding machine; 1-a lathe bed; 2-a spindle system; 3-a power system; 4-moving the sliding table mechanism; 5-upsetting the oil cylinder; 51-a first cylinder; 52-a second cylinder; 53-a locking mechanism; 54-moving the slipway connection seat; 6-rotating the isolation mechanism; 61-a guiding disc; 62-a first adjustment mechanism; 63-a roller; 7-axis adjusting device; 71-a tensioning mechanism; 72-a second adjustment mechanism; 721-second drive means; 722-a second adjusting wedge; 723-second fixed wedge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a friction welding machine, which aims to solve the problems in the prior art and can adjust the axis position of a tailstock workpiece.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a friction welding machine 100, as shown in figure 1, comprising a machine body 1, a main shaft system 2, a power system 3, a movable sliding table mechanism 4 and an upsetting oil cylinder 5; the spindle system 2 is fixedly arranged on the lathe bed 1, and the spindle system 2 is used for installing a spindle workpiece; the power system 3 is fixedly arranged on the lathe bed 1, and the power system 3 is in transmission connection with a main shaft of the main shaft system 2; the movable sliding table mechanism 4 is connected with the lathe bed 1 in a sliding mode, the movable sliding table mechanism 4 comprises a tailstock integrated body, the tailstock integrated body is used for installing a tailstock workpiece, an axis adjusting device 7 is fixedly arranged on the movable sliding table mechanism 4, and the axis adjusting device 7 can drive the tailstock integrated body to move and lock the position of the tailstock integrated body; the upsetting oil cylinder 5 is fixedly arranged on the lathe bed 1, the output end of the upsetting oil cylinder 5 is fixedly connected with the movable sliding table mechanism 4, and the upsetting oil cylinder 5 can drive the movable sliding table mechanism 4 to be close to or far away from the main shaft system 2.
By providing the axis adjusting device 7 on the movable sliding table mechanism 4, the axis adjusting device 7 can adjust the position of the tailstock integrated body for mounting the tailstock workpiece, so that the axis position of the tailstock workpiece is changed, and the axis position of the tailstock workpiece is adjusted.
The friction welding machine 100 provided by the invention further comprises a rotary isolating mechanism 6, wherein the rotary isolating mechanism 6 comprises a guide disc 61 and a plurality of first adjusting mechanisms 62, the guide disc 61 is movably arranged on the tailstock integrated body, a through hole is formed in the guide disc 61, a plurality of rollers 63 are uniformly arranged on the inner wall of the through hole along the circumferential direction of the through hole, the spindle system 2 comprises a rotary positioning body, the rotary positioning body is used for installing spindle workpieces, part of side walls of the rollers 63 can be simultaneously contacted with the outer wall of the rotary positioning body, the first adjusting mechanisms 62 are fixedly arranged on the tailstock integrated body, the first adjusting mechanisms 62 are distributed around the guide disc 61, and the radial position of the guide disc 61 can be adjusted through the matching of the first adjusting mechanisms 62 so that the guide disc 61 and the tailstock workpieces are coaxial and the position of the guide disc 61 can be locked.
The position of the guide disc 61 on the tailstock integrated body can be adjusted through the first adjusting mechanisms 62, the rotary positioning body used for installing a main shaft workpiece on the main shaft can partially stretch into the guide disc 61 and contact with the roller 63, meanwhile, the position of the guide disc 61 can be locked through the first adjusting mechanisms 62, the guide disc 61 plays a role in limiting, the workpiece can be prevented from deviating in the welding process, workpiece dislocation and axis deviation caused by the action of welding force and torque in the welding process are prevented, and good diameter jump precision of the workpiece after welding is ensured.
The rotary positioning body is arranged on a main shaft, the main shaft workpiece can be clamped through a main shaft elastic chuck arranged in the rotary positioning body, the rotary positioning body and the main shaft workpiece synchronously rotate along with the main shaft during welding, the tailstock integrated body can be used for clamping the tailstock workpiece, a plurality of pressure plates are arranged on the tailstock integrated body, a guide disc 61 can be arranged on the tailstock integrated body through the pressure plates, the pressure plates can limit the axial movement of the guide disc 61, when friction welding is carried out, the main shaft workpiece and the tailstock workpiece are firstly adjusted to be coaxial, the guide disc 61 is adjusted through a first adjusting mechanism 62 to enable the guide disc 61 to be coaxial with the rotary positioning body, the guide disc 61 is sleeved on the rotary positioning body during welding, the rotary positioning body drives rollers 63 to rotate together, each roller 63 is provided with a rotating shaft and can independently rotate, the main shaft workpiece and the tailstock workpiece are ensured to be always coaxial, and meanwhile relative friction motion between other parts can be avoided, thereby playing the role of guiding and isolating rotation.
Each first adjustment mechanism 62 all includes first drive arrangement and first adjustment voussoir, first drive arrangement is connected with first adjustment voussoir transmission, it is provided with a plurality of first fixed voussoirs to correspond first adjustment voussoir on the tailstock integrated body, through the motion of the first adjustment voussoir of first drive arrangement drive, first fixed voussoir motion can be driven in the motion of first adjustment voussoir, thereby make the change of positioning disk 61 radial position, cooperate through each first adjustment voussoir and first fixed voussoir and can lock positioning disk 61 position.
The slip surface of each first adjustment voussoir and the slip surface of a first fixed voussoir rather than corresponding setting laminate mutually, and the slip surface of each first adjustment voussoir all becomes angle with self direction of motion, and first drive arrangement can drive the motion of first adjustment voussoir to make the place of guiding disc 61 change.
The power system 3 comprises an air cooling system and a driving system, the air cooling system can cool the driving system, the driving system is in transmission connection with the spindle through a coupler, and the driving system can drive the spindle to rotate and provide an axial force for the spindle.
The main shaft system 2 further comprises a main shaft box, a bearing seat, a balance hydraulic cylinder, a thrust disc, a thrust bearing, a floating bearing, a thrust bearing for tightening and a main shaft, wherein the main shaft part is positioned in the main shaft box and is rotationally connected with the main shaft box, the main shaft is provided with a first shaft shoulder, a first limiting part is arranged in the main shaft box, the thrust bearing is sleeved on the main shaft and is positioned between the first shaft shoulder and the first limiting part, the balance hydraulic cylinder and the thrust disc are fixedly arranged in the main shaft box and are not contacted with the main shaft, the main shaft is ensured not to be interfered when rotating, the thrust disc is abutted against a piston rod of the balance hydraulic cylinder, one side of the thrust disc, far away from the balance hydraulic cylinder, is provided with a second limiting part, the main shaft is provided with a second shaft shoulder, the floating bearing is sleeved on the main shaft and is positioned between the first shaft shoulder and the first limiting part, one side of the main shaft, far away from the movable sliding table mechanism 4, is connected with the bearing seat through a bolt, one end of the main shaft, far away from the movable sliding table mechanism 4, can extend out of the main shaft from the bearing seat, one end threaded connection that the main shaft kept away from and removes slip table mechanism 4 has a nut, the lateral wall of nut forms the spacing portion of third, the bearing frame has the spacing portion of fourth, it locates on the main shaft and is located between the spacing portion of third and the spacing portion of fourth to be equipped with tightly with thrust bearing cover, it installs to be equipped with between tightly with thrust bearing outer lane and the bearing frame transition fit, the inner circle is installed with main shaft transition fit, wherein thrust bearing is close to with the little end one side of floating bearing and removes slip table mechanism 4, it is close to and removes slip table mechanism 4 to be equipped with tightly with big end one side of thrust bearing, floating bearing and it is all preferred thrust self-aligning roller bearing to be equipped with tightly with thrust bearing.
When the main shaft reaches a preset rotating speed, the power supply is stopped, one end of the main shaft system 2 close to the movable sliding table mechanism 4 is provided with an inertia wheel, under the action of the inertia wheel, the main shaft is still in a high-speed rotating state, a tailstock workpiece clamped on the tailstock integrated body is close to a main shaft workpiece clamped on the main shaft under the driving of an upsetting oil cylinder 5, under the action of a top end oil cylinder, the workpiece butt joint is completed, under the action of frictional resistance between the two workpieces, the main shaft gradually stops rotating, in the process that the welding is completed by the contact between the two workpieces and the stop rotation of the main shaft, axial heavy load force always acts on the axial direction of the main shaft, the axial force is jointly borne by a thrust bearing and a floating bearing, and is distributed on the thrust bearing and the floating bearing in a balanced manner so as to prevent any bearing from being excessively stressed and burnt loss, the thrust bearing and the floating bearing are arranged in the middle part of the main shaft box, wherein the thrust bearing is fixedly arranged, the floating bearing is installed in a floating mode, the thrust bearing fixedly installed directly acts on a spindle box, the floating bearing installed in a floating mode is installed on a thrust disc, the axial force borne by the floating bearing indirectly acts on a spindle box body through a balance hydraulic cylinder, the balance hydraulic cylinder acts on the axial force borne by the thrust bearing and the floating bearing, the specific principle is that a pressurizing cavity of the balance hydraulic cylinder is communicated with a pressurizing cavity of an axial force pressurizing oil cylinder, the area of the pressurizing cavity of the balance hydraulic cylinder is half of that of a loading cavity of the axial force pressurizing oil cylinder, the balance hydraulic cylinder provides half of axial bearing force, namely the floating bearing bears half of the axial force under the action of the balance hydraulic cylinder, the other half of the axial force is borne by the thrust bearing, and the problem of bearing of a large-bearing-capacity spindle system 2 is solved by adopting a technology of balancing stress of a thrust heavy-load self-aligning roller bearing and the balance hydraulic cylinder, the service life of the bearing is prolonged.
The balance hydraulic cylinder pressurization cavity is communicated with the main shaft axial pressurization hydraulic cylinder pressurization cavity, the piston area of the balance hydraulic cylinder pressurization cavity is half of the area of the main shaft axial pressurization hydraulic cylinder pressurization cavity, and the balance hydraulic cylinder only has an oil inlet cavity and does not have an oil return cavity.
The axis adjusting device 7 comprises a plurality of tensioning mechanisms 71 and a plurality of second adjusting mechanisms 72, the movable sliding table mechanism 4 further comprises a movable sliding table, the tensioning mechanisms 71 are arranged on one side of the movable sliding table far away from the tailstock integrated body, each tensioning mechanism 71 can drive the tailstock integrated body to move towards the direction close to the movable sliding table so as to limit the movement of the tailstock integrated body, and the tailstock integrated body can be in a position adjustable state by moving towards the direction far away from the movable sliding table; each second adjusting mechanism 72 is used for being fixedly arranged on the movable sliding table, the plurality of second adjusting mechanisms 72 are distributed around the tailstock integrated body, and when the tailstock integrated body is in a position adjustable state, the radial position of the tailstock integrated body can be adjusted and locked through the plurality of second adjusting mechanisms 72.
Each second adjusting mechanism 72 includes a second driving device 721 and a second adjusting wedge 722, the second driving device 721 is in transmission connection with the second adjusting wedge 722, a plurality of second fixing wedges 723 are correspondingly disposed on the tailstock integrated body, the second driving device 721 can drive the second adjusting wedge 722 to move, one second adjusting wedge 722 can drive one second fixing wedge 723 to move, so that the position of the tailstock integrated body changes, and the radial position of the tailstock integrated body can be locked by the cooperation of each second adjusting wedge 722 and each second fixing wedge 723.
The sliding surface of each second adjusting wedge 722 is attached to the sliding surface of a corresponding second fixed wedge 723, the sliding surface of each second adjusting wedge 722 forms an angle with the moving direction of the second adjusting wedge, the second driving device 721 can drive the second adjusting wedge 722 to move, so that the position of the tailstock integrated body is changed, the second adjusting mechanisms 72 are preferably four and are respectively arranged at the left lower part, the right lower part, the left upper part and the right upper part of the tailstock integrated body, the tailstock integrated body can move along each direction in the radial direction by adjusting the second adjusting mechanisms 72 at the left lower part and/or the right lower part, the second driving device 721 can be electrically connected with the control system, the feeding amount of the second driving device 721 is controlled by parameters set by the control system, so that the position of the tailstock integrated body can be accurately adjusted, the adjustment accuracy is high, and the post-welding accuracy of a workpiece can be ensured, the second adjusting mechanisms 72 located at the upper left and right of the tailstock integrated body are used for cooperating with the second adjusting mechanisms 72 located at the lower left and lower right of the tailstock integrated body to clamp the tailstock integrated body, and the second driving devices 721 of the second adjusting mechanisms 72 located at the upper left and upper right of the tailstock integrated body can select oil cylinders.
The tensioning mechanism 71 comprises a tensioning oil cylinder and a tensioning rod, the tensioning rod can sequentially penetrate through the movable sliding table and the tailstock integrated body, one end, far away from the tailstock integrated body, of the tensioning rod is connected with the tensioning oil cylinder in a transmission mode, the other end of the tensioning rod is provided with a limiting end, the tensioning oil cylinder can drive the tensioning rod to move towards the direction far away from the tailstock integrated body, the axial movement of the tailstock integrated body is limited by matching the limiting end with the movable sliding table, a tensioning wedge is fixedly arranged on a piston rod of the tensioning oil cylinder, a through hole is formed in the tensioning rod and can extend into the through hole, the inner wall, far away from one side of the tailstock integrated body, of the through hole can be attached to a sliding surface of the tensioning wedge, the tensioning wedge can act on the tensioning rod along with the movement of the piston rod through the tensioning oil cylinder in a driving mode, and can move towards the direction far away from the tailstock integrated body.
The upsetting oil cylinder 5 comprises a first oil cylinder 51, a second oil cylinder 52 and a locking mechanism 53, wherein a piston rod of the first oil cylinder 51 is used for being fixedly connected with the movable sliding table; a movable sliding table connecting seat 54 is fixedly arranged on the movable sliding table, at least part of a piston rod of the second oil cylinder 52 can be positioned in the movable sliding table connecting seat 54 and is in sliding connection with the movable sliding table connecting seat 54, and the piston rod of the first oil cylinder 51 is parallel to the movement direction of the piston rod of the second oil cylinder 52; the locking mechanism 53 can lock the moving slide table attachment base 54 to the piston rod of the second cylinder 52.
The upsetting process is completed through two oil cylinders, the first oil cylinder 51 is only used for pushing the moving sliding table to advance or retreat in an idle load mode, the first oil cylinder 51 can be a long-stroke oil cylinder with less oil supply, when a piston rod of the first oil cylinder 51 advances to a certain distance between a main shaft workpiece and a tailstock workpiece, the moving sliding table connecting seat 54 is locked on a piston rod of the second oil cylinder 52 through the locking mechanism 53, the second oil cylinder 52 pushes the moving sliding table to advance to complete upsetting through the moving sliding table connecting seat 54 locked on the piston rod of the second oil cylinder 52, the second oil cylinder 52 can be a short-stroke oil cylinder with large oil supply, and compared with the large-oil-volume long-stroke oil cylinder which needs to push the moving sliding table to advance in an idle load mode and complete upsetting in the prior art, manufacturing and using costs are greatly reduced.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A friction welder, characterized by: the method comprises the following steps:
a bed body;
the main shaft system is fixedly arranged on the lathe bed and is used for installing a main shaft workpiece;
the power system is fixedly arranged on the bed body and is in transmission connection with a main shaft of the main shaft system;
the movable sliding table mechanism is connected with the lathe body in a sliding mode and comprises a tailstock integrated body, the tailstock integrated body is used for mounting a tailstock workpiece, and an axis adjusting device is fixedly arranged on the movable sliding table mechanism and can drive the tailstock integrated body to move and lock the position of the tailstock integrated body;
and the upsetting oil cylinder is fixedly arranged on the lathe body, the output end of the upsetting oil cylinder is fixedly connected with the movable sliding table mechanism, and the upsetting oil cylinder can drive the movable sliding table mechanism to be close to or far away from the main shaft system.
2. The friction welder according to claim 1, characterized in that: the spindle system comprises a rotary positioning body, the rotary positioning body is used for installing spindle workpieces, part of side walls of the rollers can be contacted with the outer wall of the rotary positioning body at the same time, the first adjusting mechanisms are fixedly arranged on the tailstock integrated body, the first adjusting mechanisms surround the guide disc and are distributed, and the radial position of the guide disc can be adjusted by matching the first adjusting mechanisms so that the guide disc and the tailstock workpieces are coaxial and can be locked.
3. The friction welder according to claim 2, characterized in that: each first adjusting mechanism comprises a first driving device and a first adjusting wedge block, the first driving device is in transmission connection with the first adjusting wedge block, a plurality of first fixing wedge blocks are arranged on the tailstock integrated body corresponding to the first adjusting wedge blocks, the first adjusting wedge blocks are driven to move through the first driving device, the first adjusting wedge blocks can drive the first fixing wedge blocks to move, so that the radial position of the guide disc is changed, and the guide disc can be locked through the matching of the first adjusting wedge blocks and the first fixing wedge blocks.
4. The friction welder according to claim 1, characterized in that: the power system comprises an air cooling system and a driving system, the air cooling system can cool the driving system, and the driving system is in transmission connection with the main shaft through a coupler.
5. The friction welder according to claim 1, characterized in that: the spindle system further comprises a spindle box, a bearing seat, a balance hydraulic cylinder, a thrust disc, a thrust bearing, a floating bearing, a thrust bearing for tightening and the spindle, wherein the spindle is partially positioned in the spindle box and is rotationally connected with the spindle box, the spindle is provided with a first shaft shoulder, a first limiting part is arranged in the spindle box, the thrust bearing is sleeved on the spindle and is positioned between the first shaft shoulder and the first limiting part, the balance hydraulic cylinder and the thrust disc are fixedly arranged in the spindle box and are not in contact with the spindle, the thrust disc is abutted against a piston rod of the balance hydraulic cylinder, a second limiting part is arranged on one side, away from the balance hydraulic cylinder, of the thrust disc, the spindle is provided with a second shaft shoulder, and the floating bearing is sleeved on the spindle and is positioned between the first shaft shoulder and the first limiting part, one side that the headstock was kept away from remove slip table mechanism with bearing frame fixed connection, the main shaft is kept away from the one end that removes slip table mechanism can be followed stretch out in the bearing frame, the main shaft is kept away from one end threaded connection that removes slip table mechanism has a nut, the lateral wall of nut forms the spacing portion of third, the bearing frame has the spacing portion of fourth, it locates to be equipped with thrust bearing housing tightly on the main shaft and be located the spacing portion of third with between the spacing portion of fourth.
6. The friction welder according to claim 1, characterized in that: the axis adjusting device comprises a plurality of tensioning mechanisms and a plurality of second adjusting mechanisms, the movable sliding table mechanism further comprises a movable sliding table, the tensioning mechanisms are arranged on one side, away from the tailstock integrated body, of the movable sliding table, each tensioning mechanism can drive the tailstock integrated body to move towards the direction close to the movable sliding table so as to limit the tailstock integrated body to move, and the tailstock integrated body can be in a position adjustable state by moving towards the direction away from the movable sliding table; each second guiding mechanism all is used for fixed setting to remove on the slip table, and is a plurality of second guiding mechanism centers on tailstock integrated body distributes, when tailstock integrated body is in position adjustable state, can be to through a plurality of second guiding mechanism the radial position of tailstock integrated body is adjusted and is locked its radial position.
7. The friction welder according to claim 6, characterized in that: each second adjusting mechanism comprises a second driving device and a second adjusting wedge block, the second driving device is in transmission connection with the second adjusting wedge block, a plurality of second fixed wedge blocks are correspondingly arranged on the tailstock integrated body, the second driving device can drive the second adjusting wedge blocks to move, one second adjusting wedge block can drive one second fixed wedge block to move, so that the position of the tailstock integrated body is changed, and the radial position of the tailstock integrated body can be locked by matching of each second adjusting wedge block and each second fixed wedge block.
8. The friction welder according to claim 6, characterized in that: the tensioning mechanism comprises a tensioning oil cylinder and a tensioning rod, the tensioning rod can sequentially penetrate through the movable sliding table and the tailstock integrated body, one end, far away from the tailstock integrated body, of the tensioning rod is in transmission connection with the tensioning oil cylinder, the other end of the tensioning rod is provided with a limiting end, the tensioning oil cylinder can drive the tensioning rod to move towards the direction far away from the tailstock integrated body, and the axial movement of the tailstock integrated body is limited by the fact that the limiting end is matched with the movable sliding table.
9. The friction welder according to claim 6, characterized in that: the upsetting oil cylinder comprises a first oil cylinder, a second oil cylinder and a locking mechanism, and a piston rod of the first oil cylinder is fixedly connected with the movable sliding table; a movable sliding table connecting seat is fixedly arranged on the movable sliding table, at least part of a piston rod of the second oil cylinder can be positioned in the movable sliding table connecting seat and is in sliding connection with the movable sliding table connecting seat, and the piston rod of the first oil cylinder is parallel to the motion direction of the piston rod of the second oil cylinder; the locking mechanism can lock the movable sliding table connecting seat on a piston rod of the second oil cylinder.
10. The friction welder according to claim 9, characterized in that: locking mechanism includes a plurality of connecting pieces, it keeps away from to remove the slip table connecting seat the one end of removing the slip table is followed a plurality of through-holes have evenly been seted up to removal slip table connecting seat circumference, a plurality of recesses have been seted up to the correspondence on the piston rod of second hydro-cylinder, pass a through-hole and stretch into to correspond one that sets up with the through-hole through a connecting piece can realize in the recess with remove the slip table seat lock in on the piston rod of second hydro-cylinder.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210236170.4A CN114473179B (en) | 2022-03-11 | 2022-03-11 | Friction welding machine |
| PCT/CN2022/129116 WO2023168961A1 (en) | 2022-03-11 | 2022-11-02 | Friction welding machine |
| NL2034283A NL2034283B1 (en) | 2022-03-11 | 2023-03-08 | Friction welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210236170.4A CN114473179B (en) | 2022-03-11 | 2022-03-11 | Friction welding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114473179A true CN114473179A (en) | 2022-05-13 |
| CN114473179B CN114473179B (en) | 2024-02-09 |
Family
ID=81486064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210236170.4A Active CN114473179B (en) | 2022-03-11 | 2022-03-11 | Friction welding machine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN114473179B (en) |
| NL (1) | NL2034283B1 (en) |
| WO (1) | WO2023168961A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023168961A1 (en) * | 2022-03-11 | 2023-09-14 | 哈尔滨焊接研究院有限公司 | Friction welding machine |
| WO2023168960A1 (en) * | 2022-03-11 | 2023-09-14 | 哈尔滨焊接研究院有限公司 | Upsetting oil cylinder and friction welding machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203900506U (en) * | 2014-05-21 | 2014-10-29 | 贵州遵义驰宇精密机电制造有限公司 | Tensioning type lathe tailstock |
| CN106825632A (en) * | 2017-01-13 | 2017-06-13 | 苏州珈玛自动化科技有限公司 | A kind of tail stock |
| CN206795035U (en) * | 2017-05-08 | 2017-12-26 | 北京世佳博科技发展有限公司 | Automotive hub welding tool for friction stir welding |
| CN207255469U (en) * | 2017-06-19 | 2018-04-20 | 机械科学研究院哈尔滨焊接研究所 | Thrust bearing floating mount inertia friction welder carries axis system |
| CN109676239A (en) * | 2019-01-28 | 2019-04-26 | 哈尔滨焊接研究院有限公司 | Welding force closed-loop control and the interactive friction welding apparatuses of opened loop control and its friction-welding technique |
| CN210115567U (en) * | 2019-05-17 | 2020-02-28 | 辽宁工业大学 | Friction welding machine capable of realizing no-leaving circular ring |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2780400Y (en) * | 2005-03-30 | 2006-05-17 | 长春数控机床有限公司 | Full electric friction welding machine |
| CN102990220B (en) * | 2012-08-28 | 2015-09-09 | 沈阳黎明航空发动机(集团)有限责任公司 | The method that friction-welding machine main shaft side and tailstock side coaxial accuracy adjust |
| CN103567628B (en) * | 2013-11-19 | 2015-10-21 | 江苏无锡建华机床附件集团有限公司 | A kind of spring provides the friction welding power chuck of power |
| GB201505631D0 (en) * | 2015-04-01 | 2015-05-13 | Rolls Royce Plc | Friction welding vibration damping |
| CN107971625B (en) * | 2017-11-24 | 2020-04-10 | 中国航发沈阳黎明航空发动机有限责任公司 | Special method for adjusting coaxiality of spindle side and tailstock side of inertia friction welding machine |
| CN108637462A (en) * | 2018-07-12 | 2018-10-12 | 江苏锢邦智能装备有限公司 | A kind of friction welding apparatuses |
| CN212384912U (en) * | 2020-04-30 | 2021-01-22 | 津上精密机床（浙江）有限公司 | Collet chuck type tailstock of refitted friction welding machine |
| CN215824517U (en) * | 2021-05-28 | 2022-02-15 | 哈尔滨焊接研究院有限公司 | Double-cylinder continuous driving friction welding machine |
| CN113510361A (en) * | 2021-08-16 | 2021-10-19 | 哈尔滨焊接研究院有限公司 | Inertia friction welding device and method for aero-engine compressor disc assembly |
| CN113770506A (en) * | 2021-09-24 | 2021-12-10 | 长春数控机床有限公司 | Adjustable movable clamp for welding typical parts of aero-engine and inertia friction welding machine |
| CN114473179B (en) * | 2022-03-11 | 2024-02-09 | 中国机械总院集团哈尔滨焊接研究所有限公司 | Friction welding machine |
-
2022
- 2022-03-11 CN CN202210236170.4A patent/CN114473179B/en active Active
- 2022-11-02 WO PCT/CN2022/129116 patent/WO2023168961A1/en unknown
-
2023
- 2023-03-08 NL NL2034283A patent/NL2034283B1/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203900506U (en) * | 2014-05-21 | 2014-10-29 | 贵州遵义驰宇精密机电制造有限公司 | Tensioning type lathe tailstock |
| CN106825632A (en) * | 2017-01-13 | 2017-06-13 | 苏州珈玛自动化科技有限公司 | A kind of tail stock |
| CN206795035U (en) * | 2017-05-08 | 2017-12-26 | 北京世佳博科技发展有限公司 | Automotive hub welding tool for friction stir welding |
| CN207255469U (en) * | 2017-06-19 | 2018-04-20 | 机械科学研究院哈尔滨焊接研究所 | Thrust bearing floating mount inertia friction welder carries axis system |
| CN109676239A (en) * | 2019-01-28 | 2019-04-26 | 哈尔滨焊接研究院有限公司 | Welding force closed-loop control and the interactive friction welding apparatuses of opened loop control and its friction-welding technique |
| CN210115567U (en) * | 2019-05-17 | 2020-02-28 | 辽宁工业大学 | Friction welding machine capable of realizing no-leaving circular ring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023168961A1 (en) * | 2022-03-11 | 2023-09-14 | 哈尔滨焊接研究院有限公司 | Friction welding machine |
| WO2023168960A1 (en) * | 2022-03-11 | 2023-09-14 | 哈尔滨焊接研究院有限公司 | Upsetting oil cylinder and friction welding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| NL2034283A (en) | 2023-09-13 |
| WO2023168961A1 (en) | 2023-09-14 |
| CN114473179B (en) | 2024-02-09 |
| NL2034283B1 (en) | 2023-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114473179A (en) | Friction welding machine | |
| US8287214B2 (en) | Tool head, machine tool and boring method of bore of cylinder block using the machine tool | |
| CN217166930U (en) | Friction welding machine and rotary isolation mechanism thereof | |
| CN106975988A (en) | Spindle taper hole grinder and its online restorative procedure | |
| WO2023168958A1 (en) | Axis adjusting device of friction welding machine, slide mechanism, and friction welding machine | |
| CN217775873U (en) | Axis adjusting device, sliding table mechanism and friction welding machine | |
| CN114346404B (en) | Friction welding equipment | |
| CN105397406A (en) | Rolling machine tool and application thereof | |
| US3516591A (en) | Friction welding apparatus | |
| NL2034298B1 (en) | Rotary isolating mechanism and friction welding machine | |
| CN104772493A (en) | External centrifugal force compensating mechanism for chuck | |
| CN104526421A (en) | Expander positioning device for machining generator casing | |
| CN204295378U (en) | A kind of expander positioner for electric generator casing processing | |
| CN109290816B (en) | Adjustable device suitable for ultrasonic vibration cutting processing and using method thereof | |
| US5216798A (en) | Process for forming a balanced flywheel assembly | |
| CN213317865U (en) | Double-station rotary tool | |
| CN110977516B (en) | Dovetail type indexing and self-centering device based on radial boring of special-shaped ring piece | |
| CN116079159B (en) | Bulldoze pinion and mill tooth with location frock | |
| CN117548809B (en) | Part clamping device for friction welding | |
| CN116689681B (en) | Hollow shaft rotary forging equipment and process for driving motor of new energy automobile | |
| CN207027124U (en) | Spindle taper hole grinder | |
| CN218657800U (en) | High-precision rotatable vertical machining center machining unit | |
| CN219581702U (en) | Clamp for light rail axle box | |
| CN116900347A (en) | Quick constant force centre gripping gyration anchor clamps system | |
| CN112720004A (en) | Engine valve combined machining lathe and machining method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 150028 No. 2077 Innovation Road, Songbei District, Harbin City, Heilongjiang Province Applicant after: China National Machinery Engineering Corporation Harbin Welding Research Institute Co.,Ltd. Address before: 150028 No. 2077 Innovation Road, Songbei District, Harbin City, Heilongjiang Province Applicant before: HARBIN WELDING INSTITUTE Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |