CN114260611A - Welding device and welding method for automobile welding line - Google Patents
Welding device and welding method for automobile welding line Download PDFInfo
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- CN114260611A CN114260611A CN202210122080.2A CN202210122080A CN114260611A CN 114260611 A CN114260611 A CN 114260611A CN 202210122080 A CN202210122080 A CN 202210122080A CN 114260611 A CN114260611 A CN 114260611A
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Abstract
The invention belongs to the technical field of automobile welding, and discloses a welding device of an automobile welding line, which comprises a bottom plate, wherein a power fixing frame is fixedly installed at the rear end of the top of the bottom plate, two sliding supporting seats are fixedly installed at the front end of the top of the bottom plate, second sliding rods are movably sleeved in the middles of the two sliding supporting seats, and limiting frames are fixedly welded on the inner sides of the two second sliding rods. The power guide device, the power driving device, the second sliding rod and other structures are arranged to work in a matched mode to achieve the purposes of high-adaptability welding and low cost, so that the traditional mechanical arm structure can be well replaced, the manufacturing cost is greatly reduced, the power guide device and the power driving device work in a matched mode in different modes, the welding head can be ensured to complete the curved surface welding, meanwhile, the welding requirements of more abundant and more layers can be met, the production and manufacturing cost is greatly reduced, and the power guide device and the power driving device can also be used as a replacement scheme of a simple automobile production line.
Description
Technical Field
The invention belongs to the technical field of automobile welding, and particularly relates to a welding device and a welding method of an automobile welding line.
Background
The automobile welding production line mainly welds a white automobile body and is composed of an automobile body framework, an engine hood, a trunk cover and a left and right outer door plate welding assembly. The car body framework structure is composed of a floor welding assembly, a left front longitudinal beam, a right front longitudinal beam, a wheel cover welding assembly, a left side wall welding assembly, a right side wall welding assembly, a front wall welding assembly, a top cover, a front cross beam, a rear baffle, a left rear longitudinal beam, a right rear longitudinal beam, a rear wheel cover welding assembly and a rear wall welding assembly. Welding is a necessary process in modern machine manufacturing, and is widely applied to automobile manufacturing. With the progress of the technology, new welding processes, new materials and new methods are continuously applied to the automobile manufacturing, the welding problems of the coated steel plate and the light metal material, high polymer materials, composite materials, heterogeneous materials and special materials present new challenges to the automobile welding, and the robot and the automation technology in the automobile welding process make the automobile welding appearance changed greatly.
Present automobile production line is relatively whole relatively more complete, is a better processing mode in the automobile production processing, but whole equipment is often high in price, and the whole industry chain is used the degree of difficulty and is bigger, and what this application was mainly improved is exactly traditional car welding mode, and current car welding mode mainly divide into: manual processing and mechanical processing, wherein manual processing is the most common handheld device, and then a corresponding area is found for welding processing, although the operation mode can be free, the working problem can be changed according to the situation, the automobile production belongs to the work of a large factory assembly line, and the manual processing can not be performed after long-term work; on the other hand, mechanical welding is classified into two types: the fixed machinery and the multi-degree-of-freedom mechanical arm are generally used for processing a plane welding area, are limited by external environments, and have a limited working range, so that the practical range is not wide, and on the other hand, the fixed machinery is the mechanical arm, the equipment can realize multi-area welding of multiple mechanisms of an automobile through a preset program, but the system structure of the device is very large, the manufacturing cost is high, the subsequent maintenance is very troublesome, and a plurality of immature areas exist in the conventional processing in the aspect.
Disclosure of Invention
The invention aims to provide a welding device and a welding method of an automobile welding line, which aim to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides the following technical scheme: a welding device of an automobile welding line comprises a bottom plate, wherein a power fixing frame is fixedly installed at the rear end of the top of the bottom plate, two sliding supporting seats are fixedly installed at the front end of the top of the bottom plate, second sliding rods are movably sleeved in the middles of the two sliding supporting seats, limiting frames are fixedly welded on the inner sides of the two second sliding rods, power driving devices are movably clamped at the inner ends of the two limiting frames, a lifting frame device is fixedly installed at the middle of the top of the bottom plate, a welding head is fixedly installed at the top of the lifting frame device, and a welding device is fixedly connected at the left end of the welding head through a circuit;
the power driving device comprises an outer shell plate, the middle ends of the two ends of the front surface of the outer shell plate are respectively provided with two exposure grooves, the middle part of the inner part of the outer shell plate is provided with a guide groove, the middle part of the inner part of the outer shell plate and the periphery of the guide groove are provided with oil grooves, the inner wall of the oil groove is fixedly provided with a sponge strip, the left end inside the outer shell plate is provided with an oil injection groove, a pressing device is movably sleeved in the area of the left end of the inner part of the outer shell plate and the left end of the oil filling groove, the middle parts of the two ends in the outer shell plate are fixedly provided with middle end limiting rings, the upper end and the lower end in the middle end limiting rings are respectively provided with a second threaded rod, the middle parts of the two second threaded rods are both in threaded connection with a manual control nut, the front surface of the manual control nut corresponds to the front surface of the exposure groove, and two ends of the top and the bottom of the outer shell plate are fixedly provided with top block limiting devices;
to above-mentioned condition this application combines together through the problem with above-mentioned needs solution, utilizes mechanical equipment to replace manual handling, improves the curved surface region that realizes the car through the secondary to mechanical structure and processes, just so can replace traditional arm structure well, and manufacturing cost also reduces by a wide margin, and specific behavior is exactly: the servo motor is utilized to control the work of the structure of the power guiding device, and the groove shell can be manually replaced, so that the groove shell can be replaced into different structures, the work condition of the first sliding rod can be controlled, for example, the pattern of the groove shell in the structure can control the uniform reciprocating motion of the first sliding rod, if the groove shell is replaced into a pattern similar to a corrugated structure, and the groove shell is connected end to end, the groove shell can form different reciprocating motion conditions with different frequencies, the acting force can be rapidly replaced on the area of the power driving device, at the moment, the lifting of the welding head can passively change, the groove shell can adapt to different areas and different welding conditions, a plurality of specific spherical sliding tractors and the matching of the first sliding rod and the groove shell exist in the prior art, the specific spherical sliding tractors and the first sliding rod and the groove shell are not listed, and the movement of the power driving device can make the lifting of the welding head more stable and smooth, it should be noted that, the power guide device and the power driving device work in a matching manner in different modes, so that the welding head can be ensured to complete the curved surface welding and meet the requirements of richer and more levels of welding.
Preferably, the inboard bearing of power mount upper end is connected with power guiding device, power guiding device's right side fixedly connected with servo motor, the middle part of power guiding device bottom and the rear end that is located the bottom plate top are provided with first slide bar, the middle part of first slide bar is fixed to be cup jointed spherical slip tractor, the left end fixed mounting of first slide bar has the link, the front end fixed mounting on link right side has the second slide bar, the right-hand member at bottom plate top is provided with the control cabinet.
Preferably, the pressing device comprises a plastic rod, a first threaded rod is fixedly mounted at the top of the plastic rod, a threaded ring is connected to the upper end of the first threaded rod through a thread, the threaded ring is fixedly mounted at the upper end of the bottom plate, a first spring is movably sleeved at the upper end of the first threaded rod and positioned at the top of the threaded ring, a screwing block is fixedly mounted at the top of the first threaded rod, a bottom bearing of the plastic rod is connected with a piston head, and the piston head is in sliding contact with the inner wall of the bottom plate;
this structural design's also very simple, it is mainly exactly the change that is used for realizing the power drive device structure, this part change is exactly the cooperation joint in the simplest post of adoption and groove, the lift of threaded rod is controlled to operating personnel bolted construction, make it can catch the hole joint of spacing, on the other hand then realizes the infiltration to inside fluid through the extrusion of structure, make crane device and power drive device's work more smooth and with the same direction as smooth, the card of work has been avoided to the at utmost is dun, the welding change degree of this bonding tool has also been promoted simultaneously, make its working effect better.
Preferably, the power guiding device comprises an inner cylinder, a groove shell is movably clamped on the surface of the inner cylinder, butt-joint rings are fixedly welded in the middle parts of two sides of the inner cylinder, limit discs are in threaded connection with the peripheries of two sides when the inner cylinder and the groove shell are movably clamped, butt-joint protection cylinders are fixedly installed in the middle parts of two sides of each butt-joint ring, and the butt-joint protection cylinders at the right ends are fixedly connected with the servo motor;
this part structure's design thinking is exactly turning into linear reciprocating motion with circular motion, simultaneously because the change of bonding tool structure behavior, consequently adopt grooved drum and slide bar complex pattern, operating personnel just can make its cooperation work's recess line change through changing recess shell structure like this, after changing, the removal condition of whole first slide bar also can be passive changes, operating personnel just can utilize this change condition cooperation power drive arrangement, the crane device, the bonding tool goes the change condition of simulation car welding area as far as, finally realize that the curved surface stabilizes effective laminating welding process.
Preferably, the lifting frame device comprises a sliding frame, a lifting column is movably sleeved at the left end of the sliding frame, a spring telescopic cylinder is fixedly installed at the bottom of the lifting column, a driving rod is fixedly welded at the lower end of the left side of the lifting column, a shaft sleeve is movably sleeved at the left end of the driving rod, and the shaft sleeve is movably clamped in a guide groove of the power driving device;
whole crane device structure is exactly a conventional spring is flexible, its top is provided with the bonding tool, the axle sleeve structure of the other end receives the spacing removal of system second slide bar, the second slide bar is by the removal of system in power guiding device simultaneously, can control first slide bar reciprocating motion about when power guiding device rotates the work, the second slide bar will take power drive arrangement to go on in step under the supplementary help of link this moment, receive the influence of recess shell surface spout, the fluctuation condition of whole crane device also can be followed the change, operating personnel just so can the automobile structure adjust the channel on recess shell surface, thereby make the altitude variation condition looks adaptation of bonding tool in automobile structure.
Preferably, the surface of the groove shell is provided with an arc channel, the arc channel is connected end to form an elliptic closed loop, the bottom of the spherical sliding tractor is provided with a spherical ball which is movably clamped in the smooth channel, the inner wall of the groove shell is fixedly welded with five annular trapezoidal strips at equal angles, and the five trapezoidal strips are in adaptive clamping with the trapezoidal grooves on the surface of the inner cylinder;
the automobile structure is very complicated, whether a plane or a curved surface exists, the purpose of the application is to realize the processing treatment on the curved surface or the plane of the automobile structure through the structural change, an operator only needs to place the part of the automobile to be welded on a conveying device, and the general line of the part corresponds to the conveying direction, so that the conventional welding treatment can be quickly and stably realized.
Preferably, the whole guide groove is in a cosine function type, the whole types of the guide groove, the oil groove and the sponge strip are consistent, the cylindrical groove corresponding to the pressing device is communicated with the oil filling groove and the oil groove, the top of the oil filling groove is fixedly clamped and sealed through a rubber block, and an oil leakage hole is formed in one surface, in contact with the oil groove, of the guide groove;
the power driving device structure is mainly divided into two parts: the stable lifting change of control crane device and bonding tool structure, the high smoothness degree change of realizing whole crane device and bonding tool, this pattern can be guaranteed its gliding stability to whole guiding groove setting, because the whole relatively steady of cosine function, consequently also can not have fluctuation change by a relatively large margin when crane device moves about, it is little to guarantee to drive pole and axle sleeve steady contact friction to set up the oil impregnate hole, finally realizes its good work.
Preferably, it is corresponding with manual nut position that the whole right trapezoid structure and its top that is in the groove that exposes, second threaded rod structure up moves and runs through the spacing structure when manual nut positive direction rotates, the top does not contact with the spacing when the second threaded rod does not receive external force influence.
Preferably, the first slide bar and the second slide bar are parallel and move left and right synchronously, the left ends of the first slide bar and the second slide bar are fixedly mounted at two ends of the connecting frame, and the right ends of the first slide bar and the second slide bar are designed in a limiting manner.
The application also provides a welding method of the automobile welding line, which comprises the following steps:
s1, pre-installing structures, selecting corresponding structures to be installed by an operator according to curved surface parts of the automobile to be welded, selecting a proper groove shell to movably clamp the groove shell at two ends of the surface of the inner cylinder and fixing the groove shell by using a limiting disc aiming at the installation of the structure of the power guide device, and then realizing the connection with a servo motor by using a butt-joint ring and a butt-joint protection cylinder; on the other hand, aiming at the installation of the limiting frame and the power driving device, an operator selects a proper power driving device, then the two ends of the power driving device are used for controlling the limiting frame to move towards the two ends inside the second sliding rod to be clamped by the second sliding rod, then the operator controls the two second threaded rods to be lifted in a threaded connection mode by rotating the hand control nut structure, when the hand control nut structure is lifted to a certain degree and is contacted with the top block limiting device, the two second threaded rods finish the limiting clamping of the limiting frame structure, and the rotation of the hand control nut needs the assistance of the exposed groove; finally, lubricating oil is injected into the oil groove area network through the inside of the oil injection groove area network, the rubber plug is used for sealing treatment after the lubricating oil is injected, at the moment, the lubricating oil descends through the rotary pressing device to extrude the oil liquid in the area, so that the lubricating oil quickly enters the oil groove and is absorbed by the sponge strips, and the whole sponge strips are in a saturated state;
s2, formal work, wherein an operator controls the rotating speed and direction of a servo motor in advance through a console structure, then the servo motor structure is started to start work, the servo motor drives a power guide device to rotate, a groove channel on the surface of a groove shell is in limit fit with a spherical sliding tractor, the whole first sliding rod and the spherical sliding tractor can do left-right reciprocating motion with the help of the groove shell, a second sliding rod also starts to drive the whole welder to do left-right reciprocating motion with the help of a connecting frame structure, the whole crane device can drive a welding head to do gradual inclined plane/cambered surface motion under the auxiliary fit of a guide groove in the power drive device, and the whole welding head can realize cambered surface welding of an automobile structure under the cooperation of the welder; as for the welding of different cambered surface areas of the automobile, the welding needs to be preset by an operator, and then the welding can be installed according to the step S1, and then the normal and stable operation can be realized.
The invention has the following beneficial effects:
1. the invention achieves the purposes of high-adaptability welding and low cost by arranging the power guide device, the power driving device, the second slide bar and other structures to work in a matching way, replaces manual processing by utilizing mechanical equipment, realizes processing of the curved surface area of the automobile by improving the mechanical structure twice, can well replace the traditional mechanical arm structure, greatly reduces the manufacturing cost, and has the specific working conditions that: the servo motor is utilized to control the work of the structure of the power guiding device, and the groove shell can be manually replaced, so that the groove shell can be replaced into different structures, the work condition of the first sliding rod can be controlled, for example, the pattern of the groove shell in the structure can control the uniform reciprocating motion of the first sliding rod, if the groove shell is replaced into a pattern similar to a corrugated structure, and the groove shell is connected end to end, the groove shell can form different reciprocating motion conditions with different frequencies, the acting force can be rapidly replaced on the area of the power driving device, at the moment, the lifting of the welding head can passively change, the groove shell can adapt to different areas and different welding conditions, a plurality of specific spherical sliding tractors and the matching of the first sliding rod and the groove shell exist in the prior art, the specific spherical sliding tractors and the first sliding rod and the groove shell are not listed, and the movement of the power driving device can make the lifting of the welding head more stable and smooth, it should be noted that the power guide device and the power driving device work in a matching manner in different styles, so that the welding head can meet the requirements of richer and more-level welding while finishing the curved surface welding, the production cost is greatly reduced, and the power guide device can also be used as a substitute scheme for a simple automobile production line.
2. The invention realizes the quick disassembly and replacement of the structure by the matching work of the structures such as the second threaded rod, the manual control nut, the shell plate and the like, and the welding form, the requirement and the actual situation of the automobile are various, so the power driving device is set to be a detachable form and can be adapted to different processing places of the automobile, the whole body adopts the simplest column matching groove to work, but the effect of the specific work is also obvious, the rising and the lowering of the second threaded rod are controlled by the forward and reverse rotation of the manual control nut, and the separation control of the limiting frame and the power driving device is finally realized.
3. The invention achieves the purpose of smooth and stable effect by the matching work of the structures such as the oil injection groove, the pressing device, the sponge strip and the like, the whole power guiding device structure is a main device for controlling the lifting change range of the lifting frame device, the whole power driving device is used as auxiliary matching to ensure the smoother work, and the interference blocking matching is avoided to the maximum extent, so that the pressing device is arranged in a form of pressing through threads, so that the internal oil liquid quickly enters the oil groove and is then absorbed by the sponge strip, and slowly permeates out when the subsequent guide groove is matched with the shaft sleeve, the lubrication of the area can be ensured, the abrasion is reduced, and finally the lifting frame device and the welding head are effectively assisted to stably and regularly change and weld.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the backside structure of the present invention;
FIG. 3 is a top view of the structure of the present invention;
FIG. 4 is a schematic view of the power drive of the present invention;
FIG. 5 is a partial cross-sectional view of the power drive of the present invention;
FIG. 6 is an enlarged view taken at A of FIG. 5 according to the present invention;
FIG. 7 is a schematic view of a pressing device according to the present invention;
FIG. 8 is an exploded view of the power steering apparatus of the present invention;
FIG. 9 is a schematic view of a groove housing of the present invention;
figure 10 is a schematic view of the crane assembly of the present invention.
In the figure: 1. a base plate; 2. a power fixing frame; 3. a power guide device; 31. an inner barrel; 32. a docking ring; 33. a groove housing; 34. a limiting disc; 35. butting the protection cylinders; 4. a servo motor; 5. a first slide bar; 6. a connecting frame; 7. a second slide bar; 8. a limiting frame; 9. a power drive device; 91. an outer shell plate; 92. an exposure groove; 93. a guide groove; 94. an oil sump; 95. a sponge strip; 96. an oil injection groove; 97. a pressing device; 971. a plastic rod; 972. a first threaded rod; 973. a threaded ring; 974. a first spring; 975. twisting the block; 976. a piston head; 98. a middle end limiting ring; 99. a second threaded rod; 910. a manual nut; 911. a top block limiting device; 10. sliding the supporting seat; 11. a console; 12. a lifting frame device; 121. a carriage; 122. a lifting column; 123. a spring telescopic cylinder; 124. driving the rod; 125. a shaft sleeve; 13. a welding head; 14. a welder; 15. a spherical sliding retractor.
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.
As shown in fig. 1 to 10, in the embodiment of the present invention, a welding device of an automobile welding line includes a base plate 1, a power fixing frame 2 is fixedly installed at the rear end of the top of the base plate 1, two sliding supports 10 are fixedly installed at the front end of the top of the base plate 1, a second sliding rod 7 is movably sleeved in the middle of the two sliding supports 10, limiting frames 8 are fixedly welded at the inner sides of the two second sliding rods 7, a power driving device 9 is movably clamped at the inner ends of the two limiting frames 8, a lifting frame device 12 is fixedly installed at the middle of the top of the base plate 1, a welding head 13 is fixedly installed at the top of the lifting frame device 12, and a welder 14 is fixedly connected at the left end of the welding head 13 through a circuit;
the power driving device 9 comprises an outer shell plate 91, the middle ends of the two front ends of the outer shell plate 91 are respectively provided with two exposed grooves 92, the middle part of the inside of the outer shell plate 91 is provided with a guide groove 93, the middle part of the inside of the outer shell plate 91 is provided with an oil groove 94 positioned at the periphery of the guide groove 93, the inner wall of the oil groove 94 is fixedly provided with a sponge strip 95, the left end of the inside of the outer shell plate 91 is provided with an oil injection groove 96, the left end of the inside of the outer shell plate 91 and the area positioned at the left end of the oil injection groove 96 are movably sleeved with a pressing device 97, the middle parts of the two inner ends of the outer shell plate 91 are respectively and fixedly provided with a middle limiting ring 98, the upper end and the lower end of the inside of the middle limiting ring 98 are respectively provided with a second threaded rod 99, the middle parts of the two second threaded rods 99 are respectively in threaded connection with a manual control nut 910, the front surface of the manual control nut 910 corresponds to the front surface position of the exposed grooves 92, and the two ends of the top and the bottom of the outer shell plate 91 are respectively and fixedly provided with a top limiting device 911;
what this application main modified is traditional car welding mode, and current car welding mode mainly divide into: manual processing and mechanical processing, wherein manual processing is the most common handheld device, and then a corresponding area is found for welding processing, although the operation mode can be free, the working problem can be changed according to the situation, the automobile production belongs to the work of a large factory assembly line, and the manual processing can not be performed after long-term work; on the other hand, mechanical welding is classified into two types: the device is characterized by comprising a fixed machine and a multi-degree-of-freedom mechanical arm, wherein the fixed machine is generally used for processing a planar welding area and is limited by external environment, and the working range is very limited, so that the practical range is not wide;
to above-mentioned condition this application combines together through the problem with above-mentioned needs solution, utilizes mechanical equipment to replace manual handling, improves the curved surface region that realizes the car through the secondary to mechanical structure and processes, just so can replace traditional arm structure well, and manufacturing cost also reduces by a wide margin, and specific behavior is exactly: the servo motor 4 is utilized to control the work of the structure of the power guiding device 3, and the groove shell 33 can be manually replaced, so that the work condition of the first sliding rod 5 can be controlled by replacing the groove shell 33 in the structure with a different structure, for example, the pattern of the groove shell 33 in the structure can control the uniform reciprocating motion of the first sliding rod 5, if the groove shell is replaced with a pattern similar to a corrugated structure and connected end to end, the movement condition of different frequency and different reciprocating motion can be formed, the acting force is rapidly replaced on the area of the power driving device 9, at the moment, the lifting of the welding head 13 can be passively changed, and the welding head 13 can be adapted to different areas and different welding conditions, a plurality of specific spherical sliding tractors 15 exist in the prior art, the matching of the first sliding rod 5 and the groove shell 33 is not listed, and the movement of the power driving device 9 can make the lifting of the welding head 13 more stable and smooth, it should be noted that, the power guide device 3 and the power drive device 9 work in a matching manner in different modes, and finally, it can be ensured that the welding head 13 can meet richer and more-level welding requirements while completing the curved surface welding.
Wherein, the inboard bearing of power mount 2 upper end is connected with power guiding device 3, power guiding device 3's right side fixedly connected with servo motor 4, the middle part of power guiding device 3 bottom and the rear end that is located 1 top of bottom plate are provided with first slide bar 5, the fixed spherical slip tractor 15 that has cup jointed in middle part of first slide bar 5, the left end fixed mounting of first slide bar 5 has link 6, the front end fixed mounting on link 6 right side has second slide bar 7, the right-hand member at 1 top of bottom plate is provided with control cabinet 11.
The pressing device 97 comprises a plastic rod 971, a first threaded rod 972 is fixedly mounted at the top of the plastic rod 971, a threaded ring 973 is connected to the upper end of the first threaded rod 972 in a threaded manner, the threaded ring 973 is fixedly mounted at the upper end of the bottom plate 1, a first spring 974 is movably sleeved at the upper end of the first threaded rod 972 and located at the top of the threaded ring 973, a screwing block 975 is fixedly mounted at the top of the first threaded rod 972, a bottom bearing of the plastic rod 971 is connected with a piston head 976, and the piston head 976 is in sliding contact with the inner wall of the bottom plate 1;
this structural design's also very simple, it is mainly exactly the change that is used for realizing the structure to power drive device 9, this part change is exactly the cooperation joint in the simplest post of adoption and groove, the lift of threaded rod is controlled to operating personnel bolted construction, make it can catch the hole joint of spacing frame 8, on the other hand then realizes the infiltration to inside fluid through the extrusion of structure, make crane device 12 and power drive device 9's work more smooth and with the same direction as smooth, the card of work has been avoidd to the at utmost is dun, the welding change degree of this bonding tool 13 has also been promoted simultaneously, make its working effect better.
The power guiding device 3 comprises an inner cylinder 31, a groove shell 33 is movably clamped on the surface of the inner cylinder 31, butt-joint rings 32 are fixedly welded in the middle parts of two sides of the inner cylinder 31, the peripheries of two sides are in threaded connection with limiting discs 34 when the inner cylinder 31 is movably clamped with the groove shell 33, butt-joint protection cylinders 35 are fixedly installed in the middle parts of two sides of the butt-joint rings 32, and the right butt-end butt-joint protection cylinders 35 are fixedly connected with a servo motor 4;
the design idea of this part structure is exactly to turn into rectilinear reciprocating motion with circular motion, simultaneously because the change of bonding tool 13 structure behavior, consequently adopt grooved drum and slide bar complex pattern, operating personnel just can make its cooperation work's recess line change through changing recess shell 33 structure like this, after changing, whole first slide bar 5's the removal condition also can be passive changes, operating personnel just can utilize this change condition cooperation power drive arrangement 9, crane device 12, bonding tool 13 goes the change condition of simulation car welding area as far as, finally realize that the curved surface is stabilized effectively and is laminated welding process.
The lifting frame device 12 comprises a sliding frame 121, a lifting column 122 is movably sleeved at the left end of the sliding frame 121, a spring telescopic cylinder 123 is fixedly installed at the bottom of the lifting column 122, a driving rod 124 is fixedly welded at the lower end of the left side of the lifting column 122, a shaft sleeve 125 is movably sleeved at the left end of the driving rod 124, and the shaft sleeve 125 is movably clamped in a guide groove 93 of the power driving device 9;
the whole lifting frame device 12 is a conventional spring telescopic structure, the top of the lifting frame device is provided with a welding head 13, the shaft sleeve 125 structure at the other end is limited by the second slide bar 7 to move, meanwhile, the second slide bar 7 is limited by the power guide device 3 to move, when the power guide device 3 rotates to work, the first slide bar 5 is controlled to reciprocate left and right, at the moment, the second slide bar 7 can drive the power driving device 9 to synchronously move under the auxiliary help of the connecting frame 6, the influence of the surface sliding groove of the groove shell 33 is received, the fluctuation condition of the whole lifting frame device 12 can also change along with the fluctuation condition, so that an operator can adjust the channel on the surface of the groove shell 33 by the automobile structure, and the height change condition of the welding head 13 is adaptive to the automobile structure.
The surface of the groove shell 33 is provided with an arc channel, the arc channel is connected end to form an oval closed loop, the bottom of the spherical sliding tractor 15 is provided with a spherical ball which is movably clamped in the smooth channel, the inner wall of the groove shell 33 is fixedly welded with five annular trapezoidal strips at equal angles, and the five trapezoidal strips are in adaptive clamping connection with the trapezoidal grooves on the surface of the inner cylinder 31;
the automobile structure is very complicated, whether a plane or a curved surface exists, the purpose of the application is to realize the processing treatment on the curved surface or the plane of the automobile structure through the structural change, an operator only needs to place the part of the automobile to be welded on a conveying device, and the general line of the part corresponds to the conveying direction, so that the conventional welding treatment can be quickly and stably realized.
The whole guide groove 93 is in a cosine function type, the whole types of the guide groove 93, the oil groove 94 and the sponge strip 95 are consistent, a cylindrical groove corresponding to the pressing device 97 is communicated with the oil filling groove 96 and the oil groove 94, the top of the oil filling groove 96 is fixedly clamped and sealed through a rubber block, and an oil leakage hole is formed in one surface, in contact with the oil groove 94, of the guide groove 93;
the power driving device 9 is structurally and mainly divided into two parts: the stable lifting change of the structures of the lifting frame device 12 and the welding head 13 is controlled, the high smoothness change of the whole lifting frame device 12 and the welding head 13 is realized, the whole guide groove 93 is set to be the pattern which can ensure the sliding stability of the lifting frame device, the cosine function is relatively stable as a whole, the lifting frame device 12 can not have the fluctuation change of a larger range when moving, and the oil penetration hole is formed to ensure that the driving rod 124 and the shaft sleeve 125 are stably contacted and have small friction, so that the good work of the lifting frame device is finally realized.
The whole exposure groove 92 is in a right-angled trapezoid structure, the top of the exposure groove corresponds to the position of the manual control nut 910, the second threaded rod 99 moves upwards and penetrates through the structure of the limiting frame 8 when the manual control nut 910 rotates in the positive direction, and the top of the second threaded rod 99 is not contacted with the limiting frame 8 when the second threaded rod 99 is not influenced by external force;
the clamping form is the form of a traditional column matching hole, the exposure groove 92 is arranged to ensure that a worker can realize the rotation of the manual control nut 910 outside, so that the limiting and disassembling processing of the limiting frame 8 is carried out, and the right-angle trapezoidal structure of the exposure groove 92 is convenient to control and easy to operate by fingers.
The first slide bar 5 and the second slide bar 7 are parallel and move left and right synchronously, the left ends of the first slide bar 5 and the second slide bar 7 are fixedly mounted at two ends of the connecting frame 6, and the right ends of the first slide bar 5 and the second slide bar 7 are both designed to be limited.
The application also provides a welding method of the automobile welding line, which comprises the following steps:
s1, pre-installing structures, selecting corresponding structures to be installed by an operator according to curved surface parts of the automobile to be welded, selecting a proper groove shell 33 by the operator to movably clamp the groove shell at two ends of the surface of the inner cylinder 31 and fixing the groove shell by using a limiting disc 34 aiming at the installation of the structure of the power guide device 3, and then realizing the connection with the servo motor 4 by using the butt ring 32 and the butt protection cylinder 35; on the other hand, aiming at the installation of the limiting frame 8 and the power driving device 9, an operator selects a proper power driving device 9, then the two ends of the power driving device are used for controlling the limiting frame 8 to move towards the two ends inside the second sliding rod 7 in a clamping manner by utilizing the second sliding rod 7, then the operator controls the two second threaded rods 99 to ascend in a threaded connection manner by rotating the manual control nut 910 structure, when the manual control nut is ascended to a certain degree and is contacted with the top block limiting device 911, the two second threaded rods 99 complete the limiting clamping of the limiting frame 8 structure, and the manual control nut 910 needs to be rotated with the aid of the exposed groove 92; finally, lubricating oil is injected into the area of the oil injection groove 96, the rubber plug is used for sealing after the lubricating oil is injected, the pressing device 97 is rotated to descend to extrude the oil in the area, so that the oil rapidly enters the oil groove 94 and is absorbed by the sponge strip 95, and the whole sponge strip 95 is in a saturated state;
s2, formal work, an operator controls the rotating speed and the direction of the servo motor 4 in advance through the structure of the console 11, then the servo motor 4 is started to start to work, the servo motor 4 drives the power guide device 3 to rotate, the groove channel on the surface of the groove shell 33 is in limit fit with the spherical sliding tractor 15, the whole first sliding rod 5 and the spherical sliding tractor 15 can reciprocate left and right with the help of the groove shell 33, the second sliding rod 7 also starts to drive the whole welder 14 to reciprocate left and right with the help of the structure of the connecting frame 6, the whole welding head device 12 can drive the welding head 13 to do gradual inclined plane/arc surface motion with the help of the guide groove 93 in the power drive device 9, and the whole welding head 13 can realize arc surface welding of an automobile structure with the help of the crane 14; as for the welding of different cambered surface areas of the automobile, the welding needs to be preset by an operator, and then the welding can be installed according to the step S1, and then the normal and stable operation can be realized.
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 (10)
1. The utility model provides a welding set of car welding assembly line, includes bottom plate (1), the rear end fixed mounting at bottom plate (1) top has power mount (2), its characterized in that: the front end of the top of the bottom plate (1) is fixedly provided with two sliding supporting seats (10), the middle parts of the two sliding supporting seats (10) are movably sleeved with a second sliding rod (7), the inner sides of the two second sliding rods (7) are fixedly welded with limiting frames (8), the inner ends of the two limiting frames (8) are movably clamped with a power driving device (9), the middle part of the top of the bottom plate (1) is fixedly provided with a lifting frame device (12), the top of the lifting frame device (12) is fixedly provided with a welding head (13), and the left end of the welding head (13) is fixedly connected with a welding device (14) through a circuit;
the power driving device (9) comprises an outer shell plate (91), two exposed grooves (92) are formed in the middle ends of the two front ends of the outer shell plate (91), a guide groove (93) is formed in the middle of the inner portion of the outer shell plate (91), an oil groove (94) is formed in the middle of the inner portion of the outer shell plate (91) and located at the periphery of the guide groove (93), a sponge strip (95) is fixedly mounted on the inner wall of the oil groove (94), an oil injection groove (96) is formed in the left end of the inner portion of the outer shell plate (91), a pressing device (97) is movably sleeved in an area where the left end of the oil injection groove (96) is located at the left end of the inner portion of the outer shell plate (91), a middle end limiting ring (98) is fixedly mounted in the middle of the two inner ends of the outer shell plate (91), second threaded rods (99) are placed at the upper end and the lower end of the inner portion of the middle end limiting ring (98), and hand-controlled nuts (910) are in threaded connection with the middle portions of the second threaded rods (99), the front surface of the manual control nut (910) corresponds to the front surface of the exposure groove (92), and two ends of the top and the bottom of the outer shell plate (91) are fixedly provided with top block limiting devices (911).
2. The welding device of the automobile assembly line according to claim 1, wherein: the utility model discloses a power guide device, including power mount (2), power guide device (3), the right side fixedly connected with servo motor (4) of power guide device (3), the middle part of power guide device (3) bottom and the rear end that is located bottom plate (1) top are provided with first slide bar (5), spherical slip tractor (15) have been fixed to cup jointed in the middle part of first slide bar (5), the left end fixed mounting of first slide bar (5) has link (6), the front end fixed mounting on link (6) right side has second slide bar (7), the right-hand member at bottom plate (1) top is provided with control cabinet (11).
3. The welding device of the automobile assembly line according to claim 1, wherein: press device (97) are including plastics pole (971), the top fixed mounting of plastics pole (971) has first threaded rod (972), the upper end threaded connection of first threaded rod (972) has screw ring (973), screw ring (973) fixed mounting is in the upper end of bottom plate (1), first spring (974) has been cup jointed in the top activity that the upper end of first threaded rod (972) just is located screw ring (973), the top fixed mounting of first threaded rod (972) has wrong piece (975), the bottom bearing of plastics pole (971) is connected with piston head (976), inner wall looks sliding contact of piston head (976) and bottom plate (1).
4. The welding device of the automobile assembly line according to claim 2, wherein: power guiding device (3) are including inner tube (31), the surperficial movable joint of inner tube (31) is fluted shell (33), the equal fixed welding in middle part of inner tube (31) both sides has docking ring (32), the equal threaded connection in periphery of both sides has spacing dish (34) when inner tube (31) and recess shell (33) activity joint, the equal fixed mounting in middle part of docking ring (32) both sides has a butt joint protection section of thick bamboo (35), the right-hand member a butt joint protection section of thick bamboo (35) and servo motor (4) fixed connection.
5. The welding device of the automobile assembly line according to claim 1, wherein: the lifting frame device (12) is provided with a sliding frame (121), a lifting column (122) is movably sleeved at the left end of the sliding frame (121), a spring telescopic cylinder (123) is fixedly arranged at the bottom of the lifting column (122), a driving rod (124) is fixedly welded at the left lower end of the lifting column (122), a shaft sleeve (125) is movably sleeved at the left end of the driving rod (124), and the shaft sleeve (125) is movably clamped in a guide groove (93) of a power driving device (9).
6. The welding device of the automobile assembly line according to claim 4, wherein: circular arc channel has been seted up on the surface of recess shell (33), and this circular arc channel end to end forms an oval closed loop, the bottom of spherical slip tractor (15) is provided with spherical ball and this spherical ball activity joint in the rounding off channel, the annular equal angle fixed welding of inner wall of recess shell (33) has five trapezoidal strips, five trapezoidal groove looks adaptation joint on trapezoidal strip and inner tube (31) surface.
7. The welding device of the automobile assembly line according to claim 1, wherein: the whole pattern that is the cosine function of guiding groove (93), oil groove (94) are all unanimous with sponge strip (95) whole pattern, the cylinder groove that press device (97) correspond is linked together with oiling groove (96) and oil groove (94), the top of oiling groove (96) is passed through the fixed joint of rubber block and is sealed, the oil seepage hole has been seted up to the one side that guiding groove (93) and oil groove (94) contacted.
8. The welding device of the automobile assembly line according to claim 1, wherein: expose groove (92) whole and be right trapezoid structure and its top and manual nut (910) position corresponding, second threaded rod (99) structure up moves and runs through spacing (8) structure when manual nut (910) positive direction is rotated, top does not contact with spacing (8) when second threaded rod (99) do not receive external force to influence.
9. The welding device of the automobile assembly line according to claim 2, wherein: the structure of the first sliding rod (5) and the second sliding rod (7) is parallel and the first sliding rod and the second sliding rod move left and right synchronously, the left ends of the first sliding rod (5) and the second sliding rod (7) are fixedly installed at the two ends of the connecting frame (6), and the right ends of the first sliding rod (5) and the second sliding rod (7) are designed in a limiting mode.
10. The welding method of an automobile welding line according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1, pre-installing structures, selecting corresponding structures to be installed by an operator according to curved surface parts of an automobile to be welded, selecting a proper groove shell (33) by the operator for installing the structure of the power guide device (3), movably clamping the groove shell at two ends of the surface of the inner cylinder (31), and fixing the groove shell by using a limiting disc (34), and then realizing connection with the servo motor (4) by using a butt ring (32) and a butt protection cylinder (35); on the other hand, aiming at the installation of the limiting frame (8) and the power driving device (9), an operator selects a proper power driving device (9), then the two ends of the power driving device control the limiting frame (8) to move towards the two ends inside the second sliding rod (7) to be clamped by utilizing the second sliding rod (7), then the operator controls the two second threaded rods (99) to be lifted in a threaded connection mode by rotating the manual control nut (910), when the manual control nut is lifted to a certain degree and is contacted with the top block limiting device (911), the two second threaded rods (99) complete the limiting clamping of the limiting frame (8) structure, and the manual control nut (910) rotates with the help of the exposed groove (92); finally, lubricating oil is injected into the area network of the oil filling groove (96), the rubber plug is used for sealing after the lubricating oil is injected, the oil in the area is extruded by descending the area network through the rotary pressing device (97), so that the oil rapidly enters the oil groove (94) and is absorbed by the sponge strip (95), and the whole sponge strip (95) is in a saturated state;
s2, formal work, wherein an operator controls the rotating speed and direction of a servo motor (4) in advance through a console (11), then the servo motor (4) is started to work, the servo motor (4) drives a power guide device (3) to rotate, a groove channel on the surface of a groove shell (33) is in limit fit with a spherical sliding tractor (15), the whole first sliding rod (5) and the spherical sliding tractor (15) can reciprocate left and right with the help of the groove shell (33), a second sliding rod (7) also drives the whole welder (14) to reciprocate left and right with the help of a connecting frame (6) structure, under the auxiliary fit of a guide groove (93) in a power driving device (9), the whole crane device (12) can drive a welding head (13) to do gradual inclined plane/cambered surface motion, under the fit of the welder (14), the whole welding head (13) can realize the arc surface welding of the automobile structure; as for the welding of different cambered surface areas of the automobile, the welding needs to be preset by an operator, and then the welding can be installed according to the step S1, and then the normal and stable operation can be realized.
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| CN114260611B (en) | 2022-09-13 |
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