CN112917073A - Automobile body welding robot with temperature protection - Google Patents
Automobile body welding robot with temperature protection Download PDFInfo
- Publication number
- CN112917073A CN112917073A CN202110359587.5A CN202110359587A CN112917073A CN 112917073 A CN112917073 A CN 112917073A CN 202110359587 A CN202110359587 A CN 202110359587A CN 112917073 A CN112917073 A CN 112917073A
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- China
- Prior art keywords
- driving motor
- mounting
- welding robot
- supporting
- guide rail
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J5/00—Manipulators mounted on wheels or on carriages
- B25J5/02—Manipulators mounted on wheels or on carriages travelling along a guideway
Abstract
The invention discloses a vehicle body welding robot with temperature protection, which comprises a supporting and moving mechanism and a rotary welding robot mechanism, wherein the rotary welding robot mechanism is fixedly arranged on the supporting and moving mechanism, a push rod is driven to move through the expansion and contraction of a telescopic end of a hydraulic cylinder, and the push rod pushes an installation slide block to horizontally move on a guide rail column; through with driving motor fixed mounting in the installation casing, and the output runs through the installation casing and is connected round platform fixed connection, connect the round platform setting in the outside of installing the casing, with robotic arm fixed mounting on connecting the round platform simultaneously, drive through driving motor and connect the round platform and rotate, accomplish the regulation to robotic arm direction of work for robotic arm's turned angle no longer receives the restriction, conveniently welds.
Description
Technical Field
The invention relates to the technical field of automobile production and processing equipment, in particular to an automobile body welding robot with temperature protection.
Background
The vehicle body refers to a part of the vehicle for loading people and also refers to the whole vehicle. Some vehicles have a vehicle body that serves both as a driver's work place and as a place for accommodating passengers and cargo. The vehicle body includes a window, a door, a cabin, a passenger compartment, an engine compartment, a luggage compartment, and the like. The shape of the car body is divided into a box type, a fish type, a ship type, a streamline type, a wedge type and the like, and the structural form is divided into a single box type, a two box type, a three box type and the like. The body modeling structure is the body language of the vehicle, and the good and bad design of the body modeling structure directly influences the performance of the vehicle.
Traditional welding robot all fixes subaerial, can not remove, has restricted welding robot's welding range, and turned angle receives the restriction.
In view of the above problems, the present invention provides a vehicle body welding robot with temperature protection.
Disclosure of Invention
The invention aims to provide a vehicle body welding robot with temperature protection, which comprises a supporting and moving mechanism and a rotary welding robot mechanism, wherein the rotary welding robot mechanism is fixedly arranged on the supporting and moving mechanism and can move enough, so that the welding range of the welding robot is increased, and the rotation angle is not limited, thereby solving the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a car body welding robot with temperature protection comprises a supporting and moving mechanism and a rotary welding robot mechanism, wherein the rotary welding robot mechanism is fixedly installed on the supporting and moving mechanism, the supporting and moving mechanism is provided with a guide rail supporting assembly, an installation sliding block and a hydraulic driving assembly, the installation sliding block is movably installed on the guide rail supporting assembly, the hydraulic driving assembly is fixedly installed on the side surface of the guide rail supporting assembly and is fixedly connected with the installation sliding block, and the rotary welding robot mechanism is fixedly installed at the upper end of the installation sliding block;
the rotary welding manipulator mechanism is provided with a rotary supporting component and a welding manipulator, the rotary supporting component is fixedly installed at the upper end of the installation sliding block, and the welding manipulator is fixedly installed on the rotary supporting component.
Preferably, the guide rail supporting component comprises a first supporting block, two groups of guide rail columns and a second supporting block, wherein two ends of the two groups of guide rail columns are respectively fixed on the side surfaces of the first supporting block and the second supporting block.
Preferably, the mounting sliding block is provided with a through hole and a threaded hole, the through hole is formed in the lower end of the mounting sliding block, and the threaded hole is formed in the upper end face of the mounting sliding block.
Preferably, the diameter of the through hole is matched with the diameter of the guide rail column.
Preferably, the hydraulic drive assembly comprises a hydraulic cylinder and a push rod, the hydraulic cylinder is fixedly installed on the side face of the first supporting block, the telescopic end penetrates through one end of the first supporting block and the one end of the push rod to be fixedly connected, and the other end of the push rod is fixedly installed on the side face of the installation sliding block.
Preferably, the rotary support assembly comprises an installation shell and a rotary installation platform, the installation shell is fixedly installed at the upper end of the installation sliding block, and the rotary installation platform is fixedly installed in the installation shell.
Preferably, the rotary mounting platform is provided with a driving motor and a connecting circular truncated cone, the driving motor is fixedly mounted in the mounting shell, the output end of the driving motor penetrates through the mounting shell and is fixedly connected with the connecting circular truncated cone, and the connecting circular truncated cone is arranged on the outer side of the mounting shell.
Preferably, the welding manipulator is provided with a cylinder, a mechanical arm and a welding head, the mechanical arm is fixedly installed on the connecting circular truncated cone and driven by the cylinder, and the welding head is installed on the mechanical arm.
Preferably, the dust removal mechanism is embedded at the side end of the installation shell and comprises:
the dust removal base is embedded at the side end of the mounting shell;
the dust removal groove is formed in the side end of the dust removal base;
the clamping plate fixing chamber is arranged in the dust removing base and is far away from the dust removing groove;
the dust removal channel is arranged in the dust removal base and communicated with the dust removal groove and the clamping plate fixing chamber;
the dust removal square pipe is connected in the dust removal channel, and the belt pumping pipe is connected with the dust removal square pipe;
the two clamping plates are symmetrically connected in the clamping plate fixing chamber by taking the dust removal channel as a center, the clamping plates are connected on the inner wall of the clamping plate fixing chamber through a return spring, and the ends of the clamping plates, far away from the return spring, are arranged in a wedge shape;
the power chamber is connected to the inner wall of the dust removal channel and is close to the dust removal groove;
the motor is connected in the power chamber;
the first transmission gear is connected to the output end of the motor;
the first transmission rack is connected to the side end of the dust removing square tube, and the first transmission gear is meshed with the first transmission rack;
the two opening plates are symmetrically connected to the notch positions of the dust removing grooves;
the rotating rod fixing chambers are positioned in the dust removing base and are symmetrically arranged by taking the dust removing channel as a center;
the center end of the rotating rod is rotatably connected into the rotating rod fixing chamber through a rotating shaft, and one end of the rotating rod is hinged with the end, close to the return spring, of the clamping plate;
the inserting rod is hinged to the other end of the rotating rod, the end, far away from the rotating rod, of the inserting rod penetrates through the rotating rod fixing chamber and is connected to the notch of the dust removing groove, and the opening plate is provided with an inserting groove matched with the inserting rod;
the second transmission rack is connected to the end, far away from the first transmission rack, of the dust removal square pipe and is arranged close to the clamping plate;
the first transmission chamber is connected to the inner wall of the dust removal channel;
the second transmission gear is connected to the position, close to the dust removal square pipe, in the first transmission chamber through a first rotating shaft and is matched with the second transmission rack;
the first bevel gear is connected into the first transmission chamber through a second rotating shaft;
the first transmission belt is sleeved on the first rotating shaft and the second rotating shaft;
the second transmission chamber is arranged in the dust removal base;
the two rotating belt wheels are symmetrically arranged by taking the dust removal channel as a center;
the second transmission belt is sleeved between the two rotating belt wheels;
the transmission screws are arranged in the rotating belt pulleys in equal number, the rotating belt pulleys are connected to the transmission screws, one ends of the transmission screws penetrate through the dust removing groove and are connected with threaded sleeves hinged with the opening and closing plate, and the other ends of the transmission screws penetrate through the first transmission chamber and are connected with second bevel gears meshed with the first bevel gears;
the reset coil spring is sleeved at the hinged ends of the threaded sleeve and the opening plate;
the fixture block is connected to the inner wall of the dust removal groove and is close to the position of the groove opening, the fixture block is arranged on the opening plate in an equal number, and the opening plate is connected to the fixture block in a sliding mode.
Preferably, the driving motor further includes a safety protection device, the safety protection device monitors the internal temperature of the driving motor in real time, and determines whether to start the safety protection device according to the monitored internal temperature of the driving motor according to a preset determination method, and after the safety protection device is started, the safety protection device adjusts the working power of the driving motor to reduce the working power of the driving motor, and the preset determination method specifically includes the following steps:
step A1, solving according to the following formula to obtain the internal temperature of the driving motor:
wherein T represents the solved internal temperature of the driving motor, beta represents the adiabatic index of the gas, P represents the rated power of the driving motor, I represents the rated current of the driving motor, R represents the air density value, and l represents the air density valuetRepresents the total length of the iron core, leRepresents the length of the half turn of the winding end, k represents the number of wires in the width of the coil, a represents the width of the coil, b represents the width of the coilsRepresents the slot width, and omega represents the number of turns of the driving motor per second;
and A2, obtaining the internal temperature T of the driving motor according to the step A1, starting the safety protection device when the internal temperature T of the driving motor is higher than a preset value, namely the temperature is too high, and not needing to start the safety protection device when the internal temperature T of the driving motor is less than or equal to the preset value.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a vehicle body welding robot with temperature protection, wherein two ends of a guide rail column are respectively fixed on the side surfaces of a first supporting block and a second supporting block, an installation sliding block is movably arranged on the guide rail column through a through hole, a hydraulic cylinder is fixedly arranged on the side surface of the first supporting block, a telescopic end penetrates through the first supporting block and is fixedly connected with one end of a push rod, the other end of the push rod is fixedly arranged on the side surface of the installation sliding block, the push rod is driven to move through the telescopic end of the hydraulic cylinder in a telescopic mode, the push rod pushes the installation sliding block to move on the guide rail column in a left-right translation mode, and compared with the traditional welding robot fixed on the ground, the welding robot is increased in the welding process.
2. According to the vehicle body welding robot with the temperature protection function, the two groups of guide rail columns are fixedly arranged on the first supporting block and the second supporting block, the lower end of the installation sliding block is provided with the through hole with the diameter matched with that of the guide rail columns, the installation sliding block is movably arranged on the guide rail columns through the through hole, the two groups of guide rail columns enable the supporting effect on the installation sliding block to be better, and the through hole with the diameter matched with that of the guide rail columns enables the installation sliding block to move more smoothly in the moving process.
3. According to the vehicle body welding robot with the temperature protection function, the driving motor is fixedly arranged in the installation shell, the output end of the driving motor penetrates through the installation shell to be fixedly connected with the connecting circular truncated cone, the connecting circular truncated cone is arranged on the outer side of the installation shell, the mechanical arm is fixedly arranged on the connecting circular truncated cone, and the connecting circular truncated cone is driven to rotate by the driving motor, so that the working direction of the mechanical arm is adjusted, the rotating angle of the mechanical arm is not limited any more, and the welding is convenient.
4. According to the vehicle body welding robot with the temperature protection function, the rotary welding robot hand mechanism is fixedly arranged on the mounting sliding block, so that the welding robot can move in the horizontal direction and rotate at the same time, the flexibility is improved, and compared with the traditional manual welding, the efficiency is higher and the safety is higher.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a supporting and moving mechanism according to the present invention;
FIG. 3 is a schematic structural view of a spin welding robot mechanism of the present invention;
FIG. 4 is a schematic view of a rotary support assembly of the present invention;
FIG. 5 is a schematic view of a welding robot of the present invention;
fig. 6 is a cross-sectional view of the dust removing mechanism of the present invention.
In the figure: 1. a support moving mechanism; 11. a rail support assembly; 111. a first support block; 112. a guide rail column; 113. a second support block; 12. installing a sliding block; 121. a through hole; 122. a threaded hole; 13. a hydraulic drive assembly; 131. a hydraulic cylinder; 132. a push rod; 2. rotating the welding robot mechanism; 21. a rotation support assembly; 211. installing a shell; 212. rotating the mounting platform; 2121. a drive motor; 2122. a circular truncated cone is connected; 22. welding a manipulator; 221. a cylinder; 222. a robot arm; 223. welding a machine head; 3. a dust removal mechanism; 31. a dust removal base; 32. a dust removal groove; 33. a splint fixing chamber; 34. a dust removal channel; 35. dedusting square tubes; 36. a splint; 37. a power chamber; 38. a first drive gear; 39. a first drive rack; 30. opening and closing the board; 41. a rotating rod fixing chamber; 42. a rotating rod; 43. inserting a rod; 44. a second drive rack; 45. a first transmission chamber; 46. a second transmission gear; 47. a first helical gear; 48. a second transmission chamber; 49. rotating the belt pulley; 40. a drive screw; 51. a second helical gear; 52. a threaded sleeve; 53. a clamping block; 54. a return spring.
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.
Referring to fig. 1 to 5, a vehicle body welding robot with temperature protection includes a supporting and moving mechanism 1 and a rotating welding robot mechanism 2, wherein the rotating welding robot mechanism 2 is fixedly mounted on the supporting and moving mechanism 1.
The supporting and moving mechanism 1 is provided with a guide rail supporting component 11, a mounting sliding block 12 and a hydraulic driving component 13, the mounting sliding block 12 is movably mounted on the guide rail supporting component 11, the hydraulic driving component 13 is fixedly mounted on the side surface of the guide rail supporting component 11 and is fixedly connected with the mounting sliding block 12, the upper end of the mounting sliding block 12 is fixedly provided with a rotary welding robot mechanism 2, the guide rail supporting component 11 comprises a first supporting block 111, a guide rail column 112 and a second supporting block 113, the guide rail column 112 is provided with two groups, two ends of the two groups of guide rail columns 112 are respectively fixed on the side surfaces of the first supporting block 111 and the second supporting block 113, the mounting sliding block 12 is provided with a through hole 121 and a threaded hole 122, the through hole 121 is arranged at the lower end of the mounting sliding block 12, the threaded hole 122 is arranged on the upper end surface of the mounting sliding block 12, the diameter of the through hole 121 is matched with the diameter of the, the lower end of the mounting slider 12 is provided with a through hole 121 with a diameter matched with that of the guide rail column 112, the mounting slider 12 is movably mounted on the guide rail column 112 through the through hole 121, the two sets of guide rail columns 112 enable better supporting effect on the mounting slider 12, the through hole 121 with a diameter matched with that of the guide rail column 112 enables the mounting slider 12 to move more smoothly, the hydraulic driving assembly 13 comprises a hydraulic cylinder 131 and a push rod 132, the hydraulic cylinder 131 is fixedly mounted on the side surface of the first supporting block 111, the telescopic end penetrates through the first supporting block 111 and is fixedly connected with one end of the push rod 132, the other end of the push rod 132 is fixedly mounted on the side surface of the mounting slider 12, two ends of the guide rail column 112 are respectively fixed on the side surfaces of the first supporting block 111 and the second supporting block 113, the mounting slider 12 is movably mounted on the guide rail column 112 through the through hole 121, and the hydraulic cylinder 131 is, and flexible end runs through the one end fixed connection of first supporting block 111 and push rod 132, the other end fixed mounting of push rod 132 is in the side of installation slider 12, flexible end through pneumatic cylinder 131 drives push rod 132 and removes, realizes that push rod 132 promotes the left and right sides translation of installation slider 12 on guide rail post 112, compares with the traditional welding robot of fixing on subaerial, and this welding robot is at the welding process, and welding range has obtained the increase.
The rotary welding robot mechanism 2 is provided with a rotary supporting component 21 and a welding manipulator 22, the rotary supporting component 21 is fixedly arranged at the upper end of the mounting slider 12, the rotary welding robot mechanism 2 is fixedly arranged on the mounting slider 12, so that the welding robot can move in the horizontal direction and can rotate at the same time, the flexibility is increased, compared with the traditional manual welding, the efficiency is higher, and the welding robot is safer, the welding manipulator 22 is fixedly arranged on the rotary supporting component 21, the rotary supporting component 21 comprises a mounting shell 211 and a rotary mounting platform 212, the mounting shell 211 is fixedly arranged at the upper end of the mounting slider 12, the rotary mounting platform 212 is fixedly arranged in the mounting shell 211, the rotary mounting platform 212 is provided with a driving motor 2121 and a connecting circular truncated cone 2122, the driving motor 2121 is fixedly arranged in the mounting shell 211, and the output end penetrates through the mounting shell 211 and is fixedly connected with the connecting circular truncated cone 2122, the connecting circular truncated cone 2122 is arranged on the outer side of the mounting shell 211, the welding manipulator 22 is provided with an air cylinder 221, a mechanical arm 222 and a welding head 223, the mechanical arm 222 is fixedly mounted on the connecting circular truncated cone 2122 and driven by the air cylinder 221, the welding head 223 is mounted on the mechanical arm 222, a driving motor 2121 is fixedly mounted in the mounting shell 211, an output end of the driving motor 2121 penetrates through the mounting shell 211 to be fixedly connected with the connecting circular truncated cone 2122, the connecting circular truncated cone 2122 is arranged on the outer side of the mounting shell 211, the mechanical arm 222 is fixedly mounted on the connecting circular truncated cone 2122, the connecting circular truncated cone 2122 is driven by the driving motor 2121 to rotate, and the adjustment of the working direction of the mechanical arm 222 is completed, so that the rotating angle of the mechanical.
In summary, the following steps: the invention provides a vehicle body welding robot with temperature protection, which comprises a supporting and moving mechanism 1 and a rotary welding robot hand mechanism 2, wherein the rotary welding robot hand mechanism 2 is fixedly arranged on the supporting and moving mechanism 1, two ends of a guide rail column 112 are respectively fixed on the side surfaces of a first supporting block 111 and a second supporting block 113, an installation slide block 12 is movably arranged on the guide rail column 112 through a through hole 121, a hydraulic cylinder 131 is fixedly arranged on the side surface of the first supporting block 111, a telescopic end penetrates through the first supporting block 111 and is fixedly connected with one end of a push rod 132, the other end of the push rod 132 is fixedly arranged on the side surface of the installation slide block 12, the push rod 132 is driven to move by the telescopic end of the hydraulic cylinder 131 to realize that the push rod 132 pushes the installation slide block 12 to move on the guide rail column 112 in a left-right translation mode, compared with the traditional welding robot fixed on the ground, the welding range is increased; the two groups of guide rail columns 112 are fixedly arranged on the first supporting block 111 and the second supporting block 113, the lower end of the installation slide block 12 is provided with a through hole 121 the diameter of which is matched with that of the guide rail columns 112, the installation slide block 12 is movably arranged on the guide rail columns 112 through the through hole 121, the two groups of guide rail columns 112 enable the supporting effect on the installation slide block 12 to be better, and the through hole 121 the diameter of which is matched with that of the guide rail columns 112 enables the installation slide block 12 to move more smoothly; the driving motor 2121 is fixedly installed in the installation shell 211, the output end penetrates through the installation shell 211 and is fixedly connected with the connecting circular truncated cone 2122, the connecting circular truncated cone 2122 is arranged on the outer side of the installation shell 211, the mechanical arm 222 is fixedly installed on the connecting circular truncated cone 2122, and the connecting circular truncated cone 2122 is driven to rotate by the driving motor 2121, so that the working direction of the mechanical arm 222 is adjusted, the rotating angle of the mechanical arm 222 is not limited any more, and welding is facilitated; through 2 fixed mounting with rotatory welding robot hand mechanism on installation slider 12 for this welding robot can realize the horizontal upward while removing, can rotate again, has increased the flexibility, compares with traditional manpower welding simultaneously, and efficiency is higher, and safer.
As shown in fig. 3 and 6, in an alternative embodiment of the present invention, a dust removing mechanism 3 is embedded at a side end of the mounting housing 211, and the dust removing mechanism 3 includes:
the dust removal base 31 is embedded at the side end of the installation shell 211;
the dust removing groove 32 is formed in the side end of the dust removing base 31;
the clamping plate fixing chamber 33 is arranged in the dust removing base 31 at a position far away from the dust removing groove 32;
the dust removal channel 34 is arranged in the dust removal base 31 and communicated with the dust removal groove 32 and the clamping plate fixing chamber 33;
the dust removal square pipe 35 is connected into the dust removal channel 34, and the pumping pipe is connected with the dust removal square pipe 35;
the two clamping plates 36 are symmetrically connected in the clamping plate fixing chamber 33 by taking the dust removing channel 34 as a center, the clamping plates 36 are connected on the inner wall of the clamping plate fixing chamber 33 through a return spring 54, and the ends, far away from the return spring 54, of the clamping plates 36 are arranged in a wedge shape;
the power chamber 37, the said power chamber 37 connects to the inner wall of the dust removal channel 34 near the position of dust removal trough 32;
a motor connected within the power chamber 37;
the first transmission gear 38, the first transmission gear 38 is connected to the output end of the motor;
the first transmission rack 39 is connected to the side end of the dust removing square pipe 35, and the first transmission gear 38 is meshed with the first transmission rack 39;
the two opening plates 30 are symmetrically connected to the notch positions of the dust removing grooves 32;
the rotating rod fixing chambers 41 are positioned in the dust removing base 31, and the two rotating rod fixing chambers 41 are symmetrically arranged by taking the dust removing channel 34 as a center;
the central end of the rotating rod 42 is rotatably connected into the rotating rod fixing chamber 41 through a rotating shaft, and one end of the rotating rod 42 is hinged with the end, close to the return spring 54, of the clamping plate 36;
the inserting rod 43 is hinged to the other end of the rotating rod 42, the end, far away from the rotating rod 42, of the inserting rod 43 penetrates through the rotating rod fixing chamber 41 and is connected to the notch of the dust removing groove 32, and the opening plate 30 is provided with a slot matched with the inserting rod 43;
the second transmission rack 44 is connected to the end, far away from the first transmission rack 39, of the dust removing square pipe 35 and is arranged close to the clamping plate 36;
a first transmission chamber 45, wherein the first transmission chamber 45 is connected with the inner wall of the dust removing channel 34;
the second transmission gear 46 is connected to the position, close to the dust removal square tube 35, in the first transmission chamber 45 through a first rotating shaft, and the second transmission gear 46 is matched with the second transmission rack 44;
a first bevel gear 47, the first bevel gear 47 being connected to the inside of the first transmission chamber 45 via a second rotation shaft;
the first transmission belt is sleeved on the first rotating shaft and the second rotating shaft;
the second transmission chamber 48, the said second transmission chamber 48 locates in the dust removal base 31;
the two rotating belt wheels 49 are symmetrically arranged by taking the dust removing channel 34 as a center;
a second transmission belt sleeved between the two rotating belt wheels 49;
the number of the transmission screws 40 is equal to that of the rotating belt wheels 49, the rotating belt wheels 49 are connected to the transmission screws 40, one end of each transmission screw 40 is arranged in the dust removing groove 32 in a penetrating mode and is connected with a threaded sleeve 52 hinged to the opening plate 30, and the other end of one transmission screw 40 is arranged in the first transmission chamber 45 in a penetrating mode and is connected with a second bevel gear 51 meshed with the first bevel gear 47;
the reset coil spring is sleeved at the hinged ends of the threaded sleeve 52 and the opening plate 30;
the clamping block 53 is connected to the position, close to the notch, of the inner wall of the dust removing groove 32, the clamping blocks are arranged on the opening plate 30 in equal number, and the opening plate 30 is connected to the clamping block 53 in a sliding mode.
The working principle and the beneficial effects of the technical scheme are as follows:
the motor in the power chamber 37 rotates to drive the first transmission gear 38 connected to the output end of the power chamber to rotate, the dust removing square tube 35 meshed with the first transmission gear 38 through the first transmission rack 39 moves to the end close to the groove opening of the dust removing groove 32 in the dust removing channel 34, when the dust removing square tube 35 moves to the end close to the groove opening of the dust removing groove 32, the dust removing square tube 35 clamped between the two clamping plates 36 is separated, the return spring 54 extends out to pull the rotating rod 42 hinged with the rotating rod 42 to rotate in the rotating rod fixing chamber 41 by taking the rotating shaft as the center, the inserting rod 43 hinged with the rotating rod 42 is separated from the inserting groove, synchronously, the second transmission rack 44 on the dust removing square tube 35 stirs the second transmission gear 46 on the first transmission chamber 45, the second transmission gear 46 drives the first bevel gear 47 connected to the second rotation shaft to rotate through the first rotation shaft and the second rotation shaft connected through the first transmission belt, the first bevel gear 47 drives the second bevel gear 51 engaged with the first bevel gear to rotate, and then drives the transmission screws 40 connected with the second bevel gear 51 to rotate, two of the transmission screws 40 rotate through the rotating belt wheel 49 and the second transmission belt sleeved on the rotating belt wheel 49, and further drives the threaded sleeve 52 to descend in the dust removing groove 32, the threaded sleeve 52 drives the opening plate 30 hinged with the threaded sleeve to move downwards, the reset coil spring is stressed, the clamping block 53 limits the opening plate 30 to be turned to be parallel to the threaded sleeve 52, the two opening plates 30 are opened, at the moment, the motor continuously rotates, the square pipe dust removing groove 35 extends out of the dust removing groove 32, the pipe with a pump works, the dust and smoke generated by welding are sucked, the cleanness of a welding place is ensured, after the welding is finished, the motor in the power chamber 37 is turned reversely, and then the dust removing square pipe 35 is driven to retract into the dust removing channel 34 to abut against the second transmission gear rack 44 to reversely rotate, the transmission screw 40 rotates reversely, and then the opening plate 30 is ejected out along the fixture block 53 through the threaded sleeve 52, under the effect of the reset coil spring, the opening plate 30 recovers to be vertical to the threaded sleeve 52 again, and then covers the notch of the dust removing groove 32, the dust removing square tube 35 supports the two clamping plates 36, the reset spring 54 contracts, the inserting rod 43 is inserted into the inserting groove again, and therefore the limiting effect is achieved on the opening plate 30.
The driving motor 2121 further includes a safety protection device, the safety protection device monitors the internal temperature of the driving motor 2121 in real time, determines whether to start the safety protection device according to the monitored internal temperature of the driving motor 2121 by a preset determination method, and after the safety protection device is started, the safety protection device adjusts the working power of the driving motor 2121 to reduce the working power of the driving motor 2121, where the preset determination method includes the following specific steps:
step a1, the internal temperature of the driving motor 2121 is obtained by solving the following formula:
where T represents the solved internal temperature of the driving motor 2121, β represents the adiabatic exponent of the gas, P represents the rated power of the driving motor 2121, I represents the rated current of the driving motor 2121, R represents the air density value, and l represents the air density valuetRepresents the total length of the iron core, leRepresents the length of the end half turn of the winding, k represents the number of wires over the width of the coil, a represents the wireLoop width, bsRepresents the slot width, ω represents the number of revolutions per second of the drive motor 2121;
step a2, obtaining the internal temperature T of the driving motor 2121 according to step a1, when the internal temperature T of the driving motor 2121 is greater than a preset value, that is, the temperature is too high, starting the safety protection device, and when the internal temperature T of the driving motor 2121 is less than or equal to the preset value, the safety protection device does not need to be started.
Has the advantages that: by using the above technology, it can be automatically and intelligently judged whether the detected temperature inside the driving motor 2121 has reached the warning state according to different factors such as the difference of the position environment where the driving motor 2121 is located, the difference of the rated power and the current of the driving motor 2121, the rotating speed of the driving motor 2121 and the like, so as to determine whether a safety protection device needs to be started, control the reduction of the working power and the reaching temperature of the driving motor 2121, thereby increasing the service life of the driving motor 2121, and complete the adjustment of the working direction of the mechanical arm by driving the connecting circular truncated cone 2122 to rotate by the driving motor 2121, so that the rotating angle of the mechanical arm is not limited any more, thereby facilitating the welding The algorithm has high accuracy and stability, and can effectively calculate the internal temperature of the driving motor 2121 in real time through the factors such as the rated power of the motor, the rated current of the motor, the rotating speed of the motor and the like, so that the calculation result is more accurate, and the inaccuracy of the result caused by the change of the factors is prevented.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a car body welding robot with temperature protection, is including supporting moving mechanism (1) and spin welding robot mechanism (2), spin welding robot mechanism (2) fixed mounting is on supporting moving mechanism (1), its characterized in that: the supporting and moving mechanism (1) is provided with a guide rail supporting assembly (11), a mounting sliding block (12) and a hydraulic driving assembly (13), the mounting sliding block (12) is movably mounted on the guide rail supporting assembly (11), the hydraulic driving assembly (13) is fixedly mounted on the side face of the guide rail supporting assembly (11) and is fixedly connected with the mounting sliding block (12), and the upper end of the mounting sliding block (12) is fixedly provided with a rotary welding manipulator mechanism (2);
the rotary welding robot mechanism (2) is provided with a rotary supporting component (21) and a welding manipulator (22), the rotary supporting component (21) is fixedly arranged at the upper end of the mounting sliding block (12), and the welding manipulator (22) is fixedly arranged on the rotary supporting component (21);
the rotary support assembly (21) comprises a mounting shell (211) and a rotary mounting platform (212), the mounting shell (211) is fixedly mounted at the upper end of the mounting slide block (12), and the rotary mounting platform (212) is fixedly mounted in the mounting shell (211);
the rotary mounting platform (212) is provided with a driving motor (2121) and a connecting circular truncated cone (2122), the driving motor (2121) is fixedly mounted in the mounting shell (211), the output end of the driving motor penetrates through the mounting shell (211) and is fixedly connected with the connecting circular truncated cone (2122), and the connecting circular truncated cone (2122) is arranged on the outer side of the mounting shell (211);
the driving motor (2121) further comprises a safety protection device, the safety protection device monitors the internal temperature of the driving motor (2121) in real time, whether the safety protection device is started is determined according to the monitored internal temperature of the driving motor (2121) according to a preset determination method, after the safety protection device is started, the safety protection device adjusts the working power of the driving motor (2121) to reduce the working power of the driving motor (2121), and the preset determination method specifically comprises the following steps:
step A1, solving the internal temperature of the driving motor (2121) according to the following formula:
wherein T represents the solved internal temperature of the driving motor (2121), beta represents the adiabatic index of the gas, P represents the rated power of the driving motor (2121), I represents the rated current of the driving motor (2121), R represents the air density value, and l represents the air density valuetRepresents the total length of the iron core, leRepresents the length of the half turn of the winding end, k represents the number of wires in the width of the coil, a represents the width of the coil, b represents the width of the coilsRepresents the slot width, ω represents the number of turns per second of said drive motor (2121);
and A2, obtaining the internal temperature T of the driving motor (2121) according to the step A1, starting the safety protection device when the internal temperature T of the driving motor (2121) is higher than a preset value, namely the temperature is too high, and not starting the safety protection device when the internal temperature T of the driving motor (2121) is less than or equal to the preset value.
2. The vehicle body welding robot with temperature protection as claimed in claim 1, wherein: the guide rail supporting component (11) comprises a first supporting block (111), two groups of guide rail columns (112) and a second supporting block (113), wherein the two groups of guide rail columns (112) are arranged, and the two ends of the two groups of guide rail columns (112) are respectively fixed on the side faces of the first supporting block (111) and the second supporting block (113).
3. The vehicle body welding robot with temperature protection as claimed in claim 1, wherein: the mounting slider (12) is provided with a through hole (121) and a threaded hole (122), the through hole (121) is formed in the lower end of the mounting slider (12), and the threaded hole (122) is formed in the upper end face of the mounting slider (12).
4. The vehicle body welding robot with temperature protection as claimed in claim 3, wherein: the diameter of the through hole (121) is matched with that of the guide rail column (112).
5. The vehicle body welding robot with temperature protection as claimed in claim 1, wherein: the hydraulic drive assembly (13) comprises a hydraulic cylinder (131) and a push rod (132), the hydraulic cylinder (131) is fixedly installed on the side face of the first supporting block (111), the telescopic end penetrates through one end of the first supporting block (111) and the one end of the push rod (132) to be fixedly connected, and the other end of the push rod (132) is fixedly installed on the side face of the installation sliding block (12).
6. The vehicle body welding robot with temperature protection as claimed in claim 1, wherein: the welding manipulator (22) is provided with an air cylinder (221), a manipulator arm (222) and a welding head (223), the manipulator arm (222) is fixedly installed on the connecting circular truncated cone (2122) and driven by the air cylinder (221), and the welding head (223) is installed on the manipulator arm (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110359587.5A CN112917073A (en) | 2020-07-27 | 2020-07-27 | Automobile body welding robot with temperature protection |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110359587.5A CN112917073A (en) | 2020-07-27 | 2020-07-27 | Automobile body welding robot with temperature protection |
| CN202010731284.7A CN111872611B (en) | 2020-07-27 | 2020-07-27 | Vehicle body welding robot |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010731284.7A Division CN111872611B (en) | 2020-07-27 | 2020-07-27 | Vehicle body welding robot |
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| Publication Number | Publication Date |
|---|---|
| CN112917073A true CN112917073A (en) | 2021-06-08 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010731284.7A Active CN111872611B (en) | 2020-07-27 | 2020-07-27 | Vehicle body welding robot |
| CN202110359587.5A Withdrawn CN112917073A (en) | 2020-07-27 | 2020-07-27 | Automobile body welding robot with temperature protection |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010731284.7A Active CN111872611B (en) | 2020-07-27 | 2020-07-27 | Vehicle body welding robot |
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| CN (2) | CN111872611B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193427A (en) * | 2022-02-17 | 2022-03-18 | 河南经济贸易技师学院 | Electric automatization diversified adjustable mechanical arm |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649680B (en) * | 2021-09-08 | 2022-05-03 | 南通理工学院 | White automobile body side welding production line is with fortune dimension robot |
| CN115229428A (en) * | 2022-08-10 | 2022-10-25 | 青岛北船管业有限责任公司 | Automatic welding equipment is used in production of pipe for boats and ships suitable for irregular cambered surface |
| CN116000524A (en) * | 2022-12-12 | 2023-04-25 | 中铁建工集团有限公司 | Multi-angle adjustable welding device and welding method for building steel structure |
| CN116038758B (en) * | 2022-12-14 | 2023-09-01 | 青岛三联金属结构有限公司 | Industrial robot work arm |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111872611A (en) | 2020-11-03 |
| CN111872611B (en) | 2021-04-27 |
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Application publication date: 20210608 |