CN108637662B - Full-automatic double-shaft tightening machine for flange bolts - Google Patents
Full-automatic double-shaft tightening machine for flange bolts Download PDFInfo
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- CN108637662B CN108637662B CN201810942422.9A CN201810942422A CN108637662B CN 108637662 B CN108637662 B CN 108637662B CN 201810942422 A CN201810942422 A CN 201810942422A CN 108637662 B CN108637662 B CN 108637662B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/069—Multi-spindle machines
Abstract
The invention discloses a full-automatic double-shaft tightening machine for flange plate bolts, and belongs to the field of engineering machinery manufacturing. The device comprises a rack device, a movable arm connecting piece, a movable arm device, a turnover arm connecting piece, a turnover arm device, a rotary tightening device and an electrical control system, wherein the rack device is connected with the movable arm connecting piece through a Z-axis driving device; the movable arm connecting piece is connected with the movable arm device through the X-axis driving device; the movable arm device is connected with the turnover arm connecting piece, and the turnover arm connecting piece is connected with the turnover arm device through the Y-axis driving device; the overturning arm device is provided with an overturning driving device for controlling the rotation of the rotary tightening device, and the overturning driving device is fixedly connected with the rotary tightening device; and the rotary tightening device is provided with a torque sensor, a laser sensor and a vision camera. The bolt tightening device is used for tightening the bolts of the hinged flange of the rear frame of the loader, and realizes operation on the flange with four different planes and different diameters.
Description
Technical Field
The invention belongs to an engineering machinery accessory, and particularly relates to a full-automatic double-shaft tightening machine for flange plate bolts.
Background
At present, the mounting working condition of a rear frame hinged flange of a loader is complex, four flanges are positioned on four planes and have two flanges with different diameters, the relative position of a hole and a workpiece is not fixed, the heavy workpiece cannot be accurately positioned on a production line, the bolts of the traditional flange are screwed up manually, the screwing mode completely depends on the feeling of people to determine the screwing state, the assembly is difficult to meet the requirement, and the assembly efficiency is low; the existing mechanical tightening mode is to directly tighten the lock nut, although the assembly efficiency is improved to a certain extent, the tightening force is not controlled, and the assembly quality has many problems.
In addition, the mechanical tightening machine on the market can only realize the operation on one plane and does not have the variable pitch function at present, and the automation efficiency is not high, can not adapt to the operating mode of operation on four planes and the ring flange of different diameters. Therefore, aiming at the technical problems, the designer actively makes research and innovation based on the practical experience and professional knowledge which are abundant for years in the engineering application of the products, and designs a full-automatic flange plate bolt tightening machine, so that the full-automatic flange plate bolt tightening machine has higher practicability.
Disclosure of Invention
The invention aims to provide a full-automatic double-shaft tightening machine suitable for flange plate bolts, which overcomes the defect that the bolt tightening machine in the prior art can only realize operation on one plane and does not have a distance changing function.
The invention is realized by adopting the following technical scheme:
a full-automatic double-shaft tightening machine for flange plate bolts comprises a frame device, a movable arm connecting piece, a movable arm device, a turnover arm connecting piece, a turnover arm device, a rotary tightening device and an electrical control system,
the rack device is connected with the movable arm connecting piece through a Z-axis driving device which controls the movable arm connecting piece to move along the Z-axis direction;
the movable arm connecting piece is connected with the movable arm device through an X-axis driving device for controlling the movable arm device to move along the X-axis direction;
the movable arm device is connected with the turnover arm connecting piece, and the turnover arm connecting piece is connected with the turnover arm device through a Y-axis driving device which controls the turnover arm device to move along the Y-axis direction;
the overturning arm device is provided with an overturning driving device for controlling the rotation of the rotary tightening device, and the overturning driving device is fixedly connected with the rotary tightening device;
the overturning driving device comprises a chain wheel and chain combination, a rotating shaft, a shifting rod, an overturning cylinder, a shifting rod guide rail, a chain fixing block and a chain wheel limiting plate, wherein the overturning cylinder is fixed on the outer side of the overturning arm device, an expansion rod of the overturning cylinder is connected with the shifting rod, the shifting rod is connected with the shifting rod guide rail through a sliding block fixed on the shifting rod, the shifting rod is also connected with the chain wheel and chain combination through the chain fixing block, a chain wheel at one side of the chain wheel and chain combination is connected with the rotating shaft, and a chain;
the rotary tightening device is provided with a torque sensor, a laser sensor and a vision camera, and the torque sensor, the laser sensor and the vision camera generate electric signals to be transmitted to the electric control system;
the vision camera is used for scanning and positioning the flange plate bearing hole and compensating and correcting according to a positioning algorithm;
the laser sensor is used for carrying out secondary positioning on the diameter of a reference circle where the bolt on the flange plate is located;
the torque sensor is used for transmitting a torque value signal to the electric control system, and the electric control system sends a signal to control the rotary tightening device to stop working when the set value is beyond the allowable range.
Furthermore, the Z-axis driving device comprises a rack guide rail, a rack, a rack slider and a Z-axis speed reduction motor, the rack guide rail and the rack are fixedly arranged on the rack device, the rack slider is movably connected with the rack guide rail and is fixedly connected with the movable arm connecting piece, the Z-axis speed reduction motor is arranged on the movable arm connecting piece, and an output shaft of the Z-axis speed reduction motor is meshed and connected with the rack through a gear.
Furthermore, a counterweight guide support and a counterweight are arranged on the rack device, and the counterweight is connected with the movable arm connecting piece by bypassing a pulley on the counterweight guide support through a traction rope.
Furthermore, the X-axis driving device includes a boom guide rail, a boom slider, a boom rack, and an X-axis gear motor, the boom guide rail and the boom rack are fixedly disposed on the boom device, the boom slider is movably connected to the boom guide rail and is fixedly connected to the boom connecting member, and the X-axis gear motor is disposed on the boom connecting member, and an output shaft thereof is engaged with the boom rack through a gear.
Further, Y axle drive arrangement includes upset arm guide rail, upset arm rack, upset arm slider, Y axle gear motor, upset arm guide rail and the fixed upset arm device of locating of upset arm rack, upset arm slider and upset arm guide rail swing joint to with upset arm connecting piece fixed connection, Y axle gear motor locates on the upset arm connecting piece to its output shaft passes through the gear and is connected with the meshing of upset arm rack.
Furthermore, the rotary tightening device comprises a connecting flange, a rotary motor, a tightening gun fixing plate, a rotary bearing bracket, a tightening gun, a guide rail, a gear ring and a cylinder, the rotary tightening device is connected with the rotary shaft through the connecting flange, the tightening gun is fixed on the tightening gun fixing plate, the tightening gun fixing plate is connected with the rotary bearing bracket through the guide rail, the rotary motor is fixed on the rotary bearing bracket, and a gear on an output shaft of the rotary motor is meshed with the gear ring fixed on the rotary bearing bracket; the cylinder telescopic link is connected with the tightening gun fixing plate through a shifting block, and a limiting block is fixedly arranged on the rotary bearing bracket.
Furthermore, a Z-axis approach switch and an X-axis approach switch which are used for controlling the movable arm device to move in the Z-axis and X-axis directions are installed on the movable arm connecting piece, and a Y-axis approach switch which is used for controlling the moving range of the turnover arm device in the Y-axis direction is installed above the turnover arm connecting piece.
Furthermore, the electric control system comprises a main control unit PLC, a control panel and a torque visualization system, wherein the main control unit PLC is provided with an action control unit, a fault processing unit and a man-machine interaction unit, which is connected with a servo driving system in a tightening machine to control the positioning, torque-fixing tightening, turning action sequence and the beat time of the tightening machine, the torque value is recorded, an automatic alarm function is provided when the tightening is abnormal, the control panel comprises a touch screen, a manual control button and an indicator light, the touch screen has the functions of parameter setting, storage and control operation, and the instruction is manually input through the control button on the control panel or the touch screen, the torque visualization system can be used for monitoring the tightening state, the torque range and abnormal problem points of the tightening machine.
Compared with the prior art, the invention has the beneficial effects that:
1. the full-automatic double-shaft tightening machine provided by the invention can realize full-automatic tightening of flange plate bolts on four planes, improves the assembly efficiency, reduces the labor intensity, is convenient to install and debug, can be suitable for automatic tightening of parts with similar structures by adjusting basic parameters through a control system, can be combined with a production line, and has good universality.
2. The four-axis linear mechanical arm is adopted as a moving part, the mechanical structure is designed in a high-rigidity manner, the walking of the servo motor is combined with the use of a proximity switch and a mechanical positioning device, the walking and positioning accuracy and stability of the tightening machine are ensured, the cylinder is combined with a rotating shaft and a guide rail to turn and change torque, the turning and torque changing process stability of the tightening machine is ensured, and the tightening operation of flange plates with different diameters is realized;
3. according to the invention, a vision camera is adopted to scan and position the flange plate bearing hole, a laser sensor is adopted to secondarily position the reference circle threaded hole, and a PLC control system is combined to store and output positioning information, so that precise indexing, automatic spring rod locating and positioning and full-automatic torque-fixing tightening of upper and lower flange plate bolts are realized;
4. according to the invention, the torque sensor is arranged, closed-loop control can be realized by using a real-time detection signal of the torque sensor, and the pretightening force is calculated by using the detection signal to realize detection of the pretightening force, so that compared with manual operation, the tightening degree of a bolt can be effectively controlled, and the stability of the product quality can be further ensured;
5. the torque visualization system can monitor the tightening state, the torque range and abnormal problem points of the tightening machine.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the housing assembly of the present invention;
FIG. 3 is a schematic view of the boom coupler and boom apparatus coupling structure of the present invention;
FIG. 4 is a first schematic view of the connection between the invert arm connector and the invert arm assembly of the present invention;
FIG. 5 is a second schematic view of the connection between the invert arm connector and the invert arm apparatus of the present invention;
FIG. 6 is a schematic view of the construction of the rotary tightening apparatus of the present invention;
in the figure: 1. a rack device; 2. a boom attachment member; 3. a boom device; 4. a turnover arm connecting piece; 5. a roll-over arm device; 6. rotating the tightening device; 7. balancing weight; 8. a counterweight guide bracket; 9. a frame slide block; 10. a rack guide rail; 11. a rack; 12. a Z-axis reduction motor; 13. a boom rack; 14. a boom guide rail; 15. a movable arm slider; 16. an X-axis reduction motor; 17. a roll-over arm rack; 18. a Y-axis reduction motor; 19. a turning arm slider; 20. a turnover arm guide rail; 21. a chain wheel and a chain combination; 22. a rotating shaft; 23. turning over the limiting block; 24. pulling a rod; 25. turning over the air cylinder; 26. a deflector rod guide rail; 27. a chain fixing block; 28. a sprocket limiting plate; 29. a connecting flange; 30. a rotating electric machine; 31. screwing down the gun fixing plate; 32. a swivel bearing bracket; 33. screwing down the gun; 34. a guide rail; 35. a bit-shifting block; 36. a limiting block; 37. a ring gear; 38. and a cylinder.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, the full-automatic double-shaft tightening machine for flange bolts of the present invention includes a frame device 1, a movable arm connector 2, a movable arm device 3, a tilting arm connector 4, a tilting arm device 5, a rotary tightening device 6, and an electrical control system.
The rack device 1 is connected with the movable arm connecting piece 2 through a Z-axis driving device for controlling the movable arm connecting piece 2 to move along the Z-axis direction; the movable arm connecting piece 2 is connected with the movable arm device 3 through an X-axis driving device for controlling the movable arm device 3 to move along the X-axis direction; the movable arm device 3 is connected with the turnover arm connecting piece 4, and the turnover arm connecting piece 4 is connected with the turnover arm device 5 through a Y-axis driving device which controls the turnover arm device 5 to move along the Y-axis direction; the overturning arm device 5 is provided with an overturning driving device for controlling the rotation of the rotary tightening device 6, and the overturning driving device is fixedly connected with the rotary tightening device 6; the frame device 1 provides a supporting function of the movable arm device 3, the turnover arm device 5 and the rotary tightening device 6; the movable arm device 3 controls the turnover arm device 5 and the rotary tightening device 6 to move along the X-axis and Z-axis directions; the overturning arm device 5 realizes the overturning of the rotary tightening device 6 and enables the rotary tightening device to move along the Y-axis direction; the rotary tightening device 6 realizes the actions of rotation, positioning, tightening and torque conversion of the tightening machine; the electric control system is electrically connected with the movable arm device 3, the turnover arm device 5 and the rotary tightening device 6, so that the whole full-automatic cycle action of the tightening machine is controlled.
As shown in fig. 2 and 3, the Z-axis driving device includes a rack guide rail 10, a rack 11, a rack slider 9, and a Z-axis deceleration motor 12, the rack guide rail 10 and the rack 11 are fixedly disposed on the rack device 1, the rack slider 9 is movably connected to the rack guide rail 10 and is fixedly connected to the movable arm connector 2, the Z-axis deceleration motor 12 is disposed on the movable arm connector 2, and an output shaft thereof is engaged with the rack 11 through a gear.
The frame device 1 is provided with a counterweight guide support 8 and a counterweight 7, and the counterweight 7 is connected with the movable arm connecting piece 2 by bypassing a pulley on the counterweight guide support 8 through a traction rope, so that the stability of the movable arm device 3 in the ascending and descending process is ensured.
The X-axis driving device comprises a movable arm guide rail 14, a movable arm slider 15, a movable arm rack 13 and an X-axis speed reducing motor 16, wherein the movable arm guide rail 14 and the movable arm rack 13 are fixedly arranged on the movable arm device 3, the movable arm slider 15 is movably connected with the movable arm guide rail 14 and is fixedly connected with the movable arm connecting piece 2, the X-axis speed reducing motor 16 is arranged on the movable arm connecting piece 2, and an output shaft of the X-axis speed reducing motor 16 is meshed and connected with the movable arm rack 13 through a gear.
As shown in fig. 4 and 5, the Y-axis driving device includes a turning arm guide rail 20, a turning arm rack 17, a turning arm slider 19, and a Y-axis gear motor 18, the turning arm guide rail 20 and the turning arm rack 17 are fixedly disposed on the turning arm device 5, the turning arm slider 19 is movably connected with the turning arm guide rail 20 and is fixedly connected with the turning arm connector 4, the Y-axis gear motor 18 is disposed on the turning arm connector 4, and an output shaft thereof is engaged with the turning arm rack 17 through a gear.
The turnover driving device comprises a chain wheel and chain combination 21, a chain fixing block 27, a turnover cylinder 25, a pulling rod 24, a pulling rod guide rail 26, a rotating shaft 22 and a chain wheel limiting plate 28, the turnover cylinder 25 is fixed at the outer side of the turnover arm device 5, a telescopic rod of the turnover cylinder 25 is connected with the pulling rod 24, the pulling rod 24 is connected with the pulling rod guide rail 26 through a sliding block fixed on the pulling rod 24, the pulling rod 24 is further connected with the chain wheel and chain combination 21 through the chain fixing block 27, a chain wheel at one side of the chain wheel and chain combination 21 is connected with the rotating shaft 22, a chain wheel at the other side is connected with the chain wheel limiting plate 28, the turnover cylinder 25 can drive a chain to.
As shown in fig. 6, the rotary tightening device 6 includes a connecting flange 29, a rotary bearing bracket 32, a ring gear 37, a tightening gun 33, a rotary motor 30, a cylinder 38, a tightening gun fixing plate 31, and a guide rail 34, the rotary tightening device 6 is connected to the pivot shaft 22 of the flipper arm unit 5 through the connecting flange 29, the tightening gun 33 is fixed to the tightening gun fixing plate 31, the tightening gun fixing plate 31 is connected to the rotary bearing bracket 32 through the guide rail 34, the rotary motor 30 is fixed to the rotary bearing bracket 32, and a gear of the rotary motor 30 is engaged with the ring gear 37 fixed to the rotary bearing bracket 32, thereby realizing the circular motion of the tightening gun 33.
The telescopic rod of the air cylinder 38 is connected with the tightening gun fixing plate 31 through the displacement block 35, the rotating bearing bracket 32 is fixedly provided with a limiting block 36, and the limiting block 36, the displacement block 35 and the distance range of the two tightening guns 33 are cooperatively controlled to realize the adjustment of the distance between the two tightening guns 33.
The torque sensor, the laser sensor and the vision camera are arranged on the rotary tightening device 6, and generate electric signals to be transmitted to the electric control system; the vision camera is used for scanning and positioning the flange plate bearing hole and compensating and correcting according to a positioning algorithm; the laser sensor is used for carrying out secondary positioning on the diameter of a reference circle where the bolt on the flange plate is located; the torque sensor is used for transmitting a torque value signal to the electric control system, and the electric control system sends a signal to control the rotary tightening device 6 to stop working when the set value is beyond the allowable range.
A Z-axis approach switch and an X-axis approach switch which control the movable arm device 3 to move in the Z-axis and X-axis directions are installed on the movable arm connecting piece 2, and a Y-axis approach switch which controls the turnover arm device 5 to move in the Y-axis direction is installed above the turnover arm connecting piece 4.
The electric control system comprises a main control unit PLC, a control panel and a torque visualization system, wherein the main control unit PLC is provided with an action control unit, a fault processing unit and a human-computer interaction unit, the action control unit PLC is connected with a servo driving system in the tightening machine to control the positioning, the fixed torque tightening, the turning action sequence and the beat time of the tightening machine, the torque value is recorded, an automatic alarm function is realized when the tightening machine is abnormal, the control panel comprises a touch screen, a manual operating button and an indicator lamp, the touch screen has the functions of parameter setting, storage and control operation, the positioning, the torque value, the steering, the rotating speed and other working parameters of the tightening machine can be adjusted by manually inputting instructions through the control button or the touch screen on the control panel, and the tightening state, the torque range and the abnormal problem point of the tightening machine can be monitored through the torque visualization system.
The working process of the invention is as follows:
pressing a start button on a control panel of an electrical control system, controlling the operation of an X-axis speed reduction motor 16, a Z-axis speed reduction motor 12 and a Y-axis speed reduction motor 18 by a main control unit PLC to drive a movable arm device 3 to ascend, to extend forwards and to extend forwards a turnover arm device 5, controlling the strokes of the movable arm device 3 and the turnover arm device 5 by proximity switches, scanning and positioning 10-hole flange plate bearing holes of a first pre-tightening bolt by a vision camera after reaching a preset position, compensating and correcting according to a positioning algorithm, driving a rotary tightening device 6 to rotate by a rotary motor 30, secondarily positioning the reference circle diameter of the bolt on a flange plate by a laser sensor, descending the movable arm device 3 after storing positioning information, and automatically tightening two diagonal bolts of the flange plate by tightening a gun 33 sleeve on a nut. The main control unit PLC receives the torque value of the torque sensor and sends a signal to the tightening gun 33 when the torque value is within the set value allowable range, the motor stops working, the sleeve is separated from the nut, and the tightening is finished. Subsequently, the boom 3 is raised, and the second set of bolts for positioning the flange is automatically rotated by the rotary tightening device 6, and the second set of bolts is automatically tightened according to the above-described tightening process. When the tightening torque abnormal point appears, the master control unit PLC controls to send out a warning signal and record the bolt with unqualified tightening torque, and the output result is visible on the interface of the torque visualization system. After the five groups of bolts of the first flange are screwed according to the symmetrical and crossed screwing principle, the PLC controls the movable arm device 3 to contract, the overturning arm device 5 to contract, the movable arm device 3 to ascend, the movable arm device 3 to extend forwards and the overturning arm device 5 to extend forwards in sequence to enable the rotary screwing device 6 to reach a preset position, at the moment, the main control unit PLC controls the air cylinder 38 to contract through a piston, the two screwing guns 33 change the torque, and then the screwing machine screws four groups of bolts of the second 8-hole flange according to the positioning and screwing processes of the first flange. After the second flange plate is screwed, the main control unit PLC controls the movable arm device 3 to shrink and the turnover arm device 5 to shrink, then the main control unit PLC controls the piston of the turnover cylinder 25 to extend out to drive the rotary screwing device 6 to turn over, and the turnover limiting block 23 on the turnover arm device 5 controls the turnover verticality of the rotary screwing device 6. Then, the movable arm device 3 descends, the movable arm device 3 extends forwards, the turnover arm device 5 extends forwards, and the tightening machine automatically tightens the third 8-hole flange according to the positioning storage information of the second flange according to the process. After the third flange plate is screwed, the PLC controls the movable arm device 3 to contract, the turnover arm device 5 to contract, the movable arm device 3 to descend, the movable arm device 3 to extend forwards and the turnover arm device 5 to extend forwards, then the main control unit PLC controls the cylinder 38 to extend out, the two screwing guns 33 change torque again, and the screwing machine automatically screws the fourth 10-hole flange plate according to the positioning storage information of the first flange plate. And after the fourth flange plate is screwed, the master control unit PLC controls the movable arm device 3 to shrink, the overturning arm device 5 to shrink, the piston of the overturning cylinder 25 shrinks to drive the rotary screwing device 6 to overturn and reset, and the four flange plates are screwed. And pressing the starting button again, and performing the circulating tightening action of the next workpiece by the tightening machine. Finally, an operator can correct the bolt which is abnormally tightened in time according to the torque abnormal point displayed on the interface of the torque visualization system.
Claims (8)
1. The utility model provides a full-automatic biax of ring flange bolt machine of screwing up, includes rack device (1), swing arm connecting piece (2), swing arm device (3), upset arm connecting piece (4), upset arm device (5), rotatory device (6) and the electrical control system of screwing up, its characterized in that:
the rack device (1) is connected with the movable arm connecting piece (2) through a Z-axis driving device for controlling the movable arm connecting piece (2) to move along the Z-axis direction;
the movable arm connecting piece (2) is connected with the movable arm device (3) through an X-axis driving device for controlling the movable arm device (3) to move along the X-axis direction;
the movable arm device (3) is connected with the turnover arm connecting piece (4), and the turnover arm connecting piece (4) is connected with the turnover arm device (5) through a Y-axis driving device for controlling the turnover arm device (5) to move along the Y-axis direction;
the overturning arm device (5) is provided with an overturning driving device for controlling the rotation of the rotary tightening device (6), and the overturning driving device is fixedly connected with the rotary tightening device (6);
the overturning driving device comprises a chain wheel and chain combination (21), a rotating shaft (22), a shifting rod (24), an overturning cylinder (25), a shifting rod guide rail (26), a chain fixing block (27) and a chain wheel limiting plate (28), wherein the overturning cylinder (25) is fixed on the outer side of the overturning arm device (5), an expansion rod of the overturning cylinder (25) is connected with the shifting rod (24), the shifting rod (24) is connected with the shifting rod guide rail (26) through a sliding block fixed on the shifting rod (24), the shifting rod (24) is also connected with the chain wheel and chain combination (21) through the chain fixing block (27), a chain wheel at one side of the chain wheel and chain combination (21) is connected with the rotating shaft (22), and a chain wheel at the other side of the;
the rotary tightening device (6) is provided with a torque sensor, a laser sensor and a vision camera, and the torque sensor, the laser sensor and the vision camera generate electric signals to be transmitted to an electric control system;
the vision camera is used for scanning and positioning the flange plate bearing hole and compensating and correcting according to a positioning algorithm;
the laser sensor is used for carrying out secondary positioning on the diameter of a reference circle where the bolt on the flange plate is located;
the torque sensor is used for transmitting a torque value signal to the electric control system, and the electric control system sends a signal to control the rotary tightening device to stop working when the set value is beyond the allowable range.
2. The full-automatic double-shaft tightening machine for flange bolts according to claim 1, characterized in that: z axle drive arrangement includes frame guide rail (10), frame rack (11), frame slider (9) and Z axle gear motor (12), frame guide rail (10) with frame rack (11) are fixed to be located on frame device (1), frame slider (9) and frame guide rail (10) swing joint to with swing arm connecting piece (2) fixed connection, Z axle gear motor (12) are located on swing arm connecting piece (2) to its output shaft passes through the gear and is connected with frame rack (11) meshing.
3. The full-automatic double-shaft tightening machine for flange bolts according to claim 2, characterized in that: the frame device (1) is provided with a counterweight guide support (8) and a counterweight (7), and the counterweight (7) bypasses a pulley on the counterweight guide support (8) through a traction rope to be connected with the movable arm connecting piece (2).
4. The full-automatic double-shaft tightening machine for flange bolts according to claim 1, characterized in that: the X-axis driving device comprises a movable arm guide rail (14), a movable arm sliding block (15), a movable arm rack (13) and an X-axis speed reducing motor (16), wherein the movable arm guide rail (14) and the movable arm rack (13) are fixedly arranged on the movable arm device (3), the movable arm sliding block (15) is movably connected with the movable arm guide rail (14) and is fixedly connected with a movable arm connecting piece (2), and the X-axis speed reducing motor (16) is arranged on the movable arm connecting piece (2), and an output shaft of the X-axis speed reducing motor is meshed and connected with the movable arm rack (13) through a gear.
5. The full-automatic double-shaft tightening machine for flange bolts according to claim 1, characterized in that: y axle drive arrangement includes upset arm guide rail (20), upset arm rack (17), upset arm slider (19), Y axle gear motor (18), upset arm guide rail (20) and upset arm rack (17) are fixed to be located on upset arm device (5), upset arm slider (19) and upset arm guide rail (20) swing joint to with upset arm connecting piece (4) fixed connection, Y axle gear motor (18) are located on upset arm connecting piece (4) to its output shaft passes through the gear and is connected with the meshing of upset arm rack (17).
6. The full-automatic double-shaft tightening machine for flange bolts according to claim 1, characterized in that: the rotary tightening device (6) comprises a connecting flange (29), a rotary motor (30), a tightening gun fixing plate (31), a rotary bearing bracket (32), a tightening gun (33), a guide rail (34), a gear ring (37) and a cylinder (38), the rotary tightening device (6) is connected with the rotary shaft (22) through the connecting flange (29), the tightening gun (33) is fixed on the tightening gun fixing plate (31), the tightening gun fixing plate (31) is connected with the rotary bearing bracket (32) through the guide rail (34), the rotary motor (30) is fixed on the rotary bearing bracket (32), and a gear on an output shaft of the rotary motor is meshed with the gear ring (37) fixed on the rotary bearing bracket (32); the telescopic rod of the air cylinder (38) is connected with the tightening gun fixing plate (31) through a shifting block (35), and a limiting block (36) is fixedly arranged on the rotary bearing bracket (32).
7. The full-automatic biaxial tightening machine for flange bolts according to any one of claims 1 to 6, characterized in that: and a Z-axis approach switch and an X-axis approach switch which are used for controlling the movable arm device (3) to move in the Z-axis and X-axis directions are installed on the movable arm connecting piece (2), and a Y-axis approach switch which is used for controlling the moving range of the turnover arm device (5) in the Y-axis direction is installed above the turnover arm connecting piece (4).
8. The full-automatic double-shaft tightening machine for flange bolts according to claim 7, characterized in that: the electric control system comprises a main control unit PLC, a control panel and a torque visualization system, wherein the main control unit PLC is provided with an action control unit, a fault processing unit and a human-computer interaction unit, the action control unit PLC is connected with a servo driving system in the tightening machine to control the positioning, the fixed torque tightening, the turning action sequence and the beat time of the tightening machine, the torque value is recorded, an automatic alarm function is realized when the tightening machine is abnormal, the control panel comprises a touch screen, a manual operating button and an indicator lamp, the touch screen has the functions of parameter setting, storage and control operation, the positioning, the torque value, the steering, the rotating speed and other working parameters of the tightening machine can be adjusted by manually inputting instructions through the control button or the touch screen on the control panel, and the tightening state, the torque range and the abnormal problem point of the tightening machine can be monitored through the torque visualization system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810942422.9A CN108637662B (en) | 2018-08-17 | 2018-08-17 | Full-automatic double-shaft tightening machine for flange bolts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810942422.9A CN108637662B (en) | 2018-08-17 | 2018-08-17 | Full-automatic double-shaft tightening machine for flange bolts |
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| CN108637662A CN108637662A (en) | 2018-10-12 |
| CN108637662B true CN108637662B (en) | 2020-05-19 |
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| CN201810942422.9A Active CN108637662B (en) | 2018-08-17 | 2018-08-17 | Full-automatic double-shaft tightening machine for flange bolts |
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| CN206047544U (en) * | 2016-07-20 | 2017-03-29 | 宁波福尔达智能科技有限公司 | Beat screw frock |
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Effective date of registration: 20221010 Address after: 276023 the intersection of Huaxia Road and Kunming Road, Linyi Economic and Technological Development Zone, Shandong Province Patentee after: LINYI LINGONG INTELLIGENT INFORMATION TECHNOLOGY Co.,Ltd. Address before: 276023 Shandong Lingong Construction Machinery Co., Ltd., No. 126, Lingong Road, economic and Technological Development Zone, Linyi City, Shandong Province Patentee before: SHANDONG LINGONG CONSTRUCTION MACHINERY Co.,Ltd. |