CN112496618A - Balanced type back panel automatic welding system - Google Patents
Balanced type back panel automatic welding system Download PDFInfo
- Publication number
- CN112496618A CN112496618A CN202011372230.2A CN202011372230A CN112496618A CN 112496618 A CN112496618 A CN 112496618A CN 202011372230 A CN202011372230 A CN 202011372230A CN 112496618 A CN112496618 A CN 112496618A
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- sliding
- track
- automatic welding
- balanced
- supporting plate
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- 238000003466 welding Methods 0.000 title claims abstract description 80
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005476 soldering Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- 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
-
- 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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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a balanced type automatic welding system for a back panel, which comprises a rack, wherein a profiling track extending along the X direction is arranged on the rack, a supporting plate matched with the profiling track in a sliding and guiding manner is arranged on the profiling track, a linear guide rail extending along the Y direction is arranged on the supporting plate, and a sliding table matched with the linear guide rail in a sliding and guiding manner is arranged on the linear guide rail; a first driving mechanism which is connected with the supporting plate and drives the supporting plate to move on the profiling track, and a second driving mechanism which is connected with the sliding table and drives the sliding table to move on the linear guide rail; a welding clamp fixing seat is arranged on the sliding table, and a welding clamp is arranged on the welding clamp fixing seat; one side of the frame is provided with a back panel clamp. According to the invention, the Z-direction height deviation is adjusted through the profiling track, the function of three-axis automatic welding is realized by utilizing two sets of servo controls, the overall stable operation posture of the welding tongs is realized, the working efficiency is improved, and the problems of complex system, large investment, inconvenience in maintenance and the like of the three-axis automatic welding machine are solved.
Description
Technical Field
The invention relates to the technical field of automobile machining and manufacturing, in particular to a balanced type automatic welding system for a back panel.
Background
In the production of the vehicle body, a mounting bracket is arranged on the rear enclosing plate of the vehicle body and needs to be welded, because the mounting bracket has front and back deviation in the height direction of the whole vehicle for the welding position and the left and right distribution rule of the welding spot position, if a three-axis automatic welding machine is adopted for welding, a control system in three directions, three sets of servo motors and corresponding systems need to be adopted, and the deviation change in the front and back directions is less, so that the servo electrodes and the corresponding systems in the directions are wasted. This causes problems of complex system, large investment, inconvenient maintenance and the like of the whole automatic welding machine.
Meanwhile, the automatic welding machine has the problem that welding spots are deformed and even broken down due to the fact that the upper electrode arm and the lower electrode arm of the welding tongs are not in contact with a workpiece synchronously during welding.
Disclosure of Invention
The invention aims to provide a balanced type automatic welding system for a back panel.
In order to solve the technical problems, the invention adopts the following technical scheme:
a balanced type back panel automatic welding system comprises a rack, wherein a profiling track extending along the X direction is arranged on the rack, the profiling track comprises a first horizontal track and a second horizontal track, the first horizontal track and the second horizontal track have a height difference in the Z direction, and the first horizontal track and the second horizontal track are smoothly connected through a connecting track;
a support plate matched with the profiling track in a sliding guide manner is arranged on the profiling track, a linear guide rail extending along the Y direction is arranged on the support plate, and a sliding table matched with the linear guide rail in a sliding guide manner is arranged on the linear guide rail; a first driving mechanism which is connected with the supporting plate and drives the supporting plate to move on the profiling track, and a second driving mechanism which is connected with the sliding table and drives the sliding table to move on the linear guide rail;
a welding clamp fixing seat is arranged on the sliding table, and a welding clamp is arranged on the welding clamp fixing seat; one side of the frame is provided with a back panel clamp.
Two groups of the profiling tracks are horizontally and symmetrically arranged.
The lower side of the supporting plate is provided with two groups of rollers corresponding to the two groups of profiling tracks, and the rollers are matched with the profiling tracks in a rolling manner.
Two groups of linear guide rails are horizontally and symmetrically arranged.
And two groups of sliding seats are arranged on the lower side of the sliding table and correspond to the two groups of linear rails, and the sliding seats are in sliding fit with the linear guide rails.
The first driving mechanism comprises a first lead screw which is arranged on the rack and extends along the X direction, one end part of the lead screw is connected with a first servo motor which drives the lead screw to rotate, and the first servo motor is arranged on the rack; the first screw rod is provided with a first sliding block in threaded connection with the first screw rod, and the first sliding block is connected with the supporting plate through a movable connecting block.
The second driving mechanism comprises a second screw rod which is arranged on the supporting plate and extends along the Y direction, the two end parts of the screw rod are connected with a second servo motor which drives the screw rod to rotate, and the second servo motor is arranged on the supporting plate; the second screw rod is provided with a second sliding block in threaded connection with the second screw rod, and the second sliding block is connected with the sliding table through a fixed connecting block.
The back panel clamp is an electric control clamp.
The welding tongs fixing seat is provided with a rotating seat, and a rotating shaft of the flexible welding tongs is rotatably connected with the rotating seat to form a flexible welding tongs mechanism.
The frame on install the PLC control box, the PLC control box is connected with first actuating mechanism and second actuating mechanism control.
The invention has the beneficial effects that:
1. according to the balanced type automatic welding system for the back panel, the Z-direction height deviation is adjusted through the profiling track, the function of three-axis automatic welding is achieved by utilizing the two groups of servo motors and the PLC control system, meanwhile, the overall stable operation posture of the welding tongs is achieved, manual welding operation is eliminated, the working efficiency is improved, and the problems that a three-axis automatic welding machine system is complex, large in investment, inconvenient to maintain and the like are solved.
2. According to the invention, the rotary seat is arranged on the welding clamp fixing seat, the flexible welding clamp rotary shaft is rotatably connected with the rotary seat, when the welding clamp works, the welding clamp arms clamp a dotting position, when one welding clamp arm is firstly contacted with a workpiece, the welding clamp moves around the rotary shaft under the action of the workpiece until the other welding clamp arm is contacted with the workpiece to perform dotting operation, and the problem that welding spots are deformed and even punctured due to the fact that the upper electrode arm and the lower electrode arm are not contacted with the workpiece synchronously during welding is solved.
3. The balanced type automatic welding system for the back panel adopts one-way position automatic adjustment and two-axis servo control to meet the production requirement of a workpiece, and solves the problems of complex system, high investment, inconvenient maintenance and deformation and even breakdown of welding points of a three-axis automatic welding machine.
Drawings
FIG. 1 is a front view of a first embodiment of the present invention;
FIG. 2 is a top view of a second embodiment of the present invention;
FIG. 3 is a front view of the present invention
Fig. 4 is a top view of a second embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 3, the balanced type back panel automatic welding system of the present embodiment includes a frame 1, a profiling track 2 extending along an X direction is provided on the frame 1, the profiling track 2 includes a first horizontal track and a second horizontal track, the first horizontal track and the second horizontal track have a height difference in a Z direction, so that the first horizontal track is lower than the second horizontal track, and the first horizontal track and the second horizontal track are smoothly connected through a connecting track.
A support plate 6 matched with the copying track in a sliding and guiding manner is arranged on the copying track 2, a linear guide rail 7 extending along the Y direction is arranged on the support plate 6, and a sliding table 8 matched with the linear guide rail 7 in a sliding and guiding manner is arranged on the linear guide rail 7; a first driving mechanism which drives the supporting plate to move on the profiling track is connected with the supporting plate 6, and a second driving mechanism which drives the sliding table to move on the linear guide rail is connected with the sliding table 8.
Specifically, two sets of profile modeling tracks 2 are installed at horizontal symmetry, and the downside of backup pad 6 corresponds with two sets of profile modeling tracks and is equipped with two sets of gyro wheels 3, and gyro wheel 3 and profile modeling track 2 roll cooperation. When the device is installed, a roller shaft 4 is installed on the roller 3, and the roller shaft 4 is connected with a support plate 6 through a support block 5.
Specifically, linear guide 7 has also horizontal symmetrical arrangement has two sets ofly, and the downside of slip table 8 corresponds with two sets of linear rails 7 and is equipped with two sets of slides, slide and linear guide sliding fit.
Specifically, the first driving mechanism comprises a lead screw 14 which is arranged on the rack 1 and extends along the X direction, the end part of the lead screw 14 is connected with a servo motor 13 which drives the lead screw to rotate, and the servo motor 13 is installed on the rack 1. The screw 14 is provided with a slide block 15 in threaded connection with the screw, and the slide block 15 is connected with the support plate 6 through a movable connecting block 16.
Specifically, the second driving mechanism comprises a lead screw 18 which is arranged on the supporting plate 6 and extends along the Y direction, the end part of the lead screw 18 is connected with a servo motor 19 which drives the lead screw to rotate, and the servo motor 19 is arranged on the supporting plate 6; the screw rod 18 is provided with a slide block 25 in threaded connection with the screw rod, and the slide block 25 is connected with the sliding table 8 through a fixed connecting block 17.
And a welding clamp fixing seat 9 is arranged on the sliding table 8, and a welding clamp 11 is arranged on the welding clamp fixing seat 9. In this embodiment, the holder fixing base 9 is provided with a rotating base 10 (the rotating base is a bearing), and a rotating shaft 12 of the holder 11 is rotatably connected to the rotating base 10 to form a flexible holder mechanism. The flexible welding clamp mechanism can go deep into a workpiece to carry out welding operation.
When the welding tongs work, the welding tongs arm presss from both sides tightly and beats the point, and when a welding tongs arm contacted with the finished piece earlier, the welding tongs moved around the rotation axis under the action of the finished piece, and the operation of beating the point is carried out to another welding tongs arm and finished piece contact, has solved the problem that upper and lower electrode arm and finished piece contact asynchronous caused the solder joint to warp even puncture when welding.
One side of the frame 1 is provided with a back panel clamp. The back panel clamp is an electronic control clamp 20.
Example two:
as shown in fig. 4, the present embodiment is different from the first embodiment in that: a PLC control box 21 is installed on the rack 1, and the PLC control box 21 is in control connection with a first driving mechanism and a second driving mechanism to achieve a PLC automatic control system.
The PLC control box 21 includes a PLC controller 22 therein, and the PLC controller 22 is connected to a corresponding relay 23, an electromagnetic valve 24, a detection switch 25, and the like through a connection line. The components of the PLC control box are the prior art, and the specific structure and the principle are not detailed.
The working principle of the invention is as follows:
when the welding clamp is used, a workpiece is placed in the electric control clamp 20, an operator starts the PLC control box 21, the servo motor 13 rotates to drive the lead screw 14 to move, the slide block 15 on the lead screw drives the supporting plate 6 to move forwards, the roller 3 moves along the profiling track 2 at the moment, the height changes, the height of the welding clamp moves to a required position along with the height, and the X, Z-direction movement is completed; when the servo motor 19 moves, the screw rod 18 moves along with the servo motor to drive the sliding table 8 to move along the linear guide rail 7, and the Y-direction position movement is completed; when the soldering turret during operation, the soldering turret arm presss from both sides tightly to be got ready, when a soldering turret arm contacts with the finished piece earlier, the soldering turret moves around rotation axis 12 under the work of finished piece, get ready the operation until another soldering turret arm contacts with the finished piece, when the soldering turret gets ready the back, under PLC control box 21 effect, servo motor 13 work drives backup pad 6 and resets, and servo motor 19 work simultaneously drives slip table 8 and resets, and automatically controlled anchor clamps 20 is opened, takes out the finished piece, puts into next finished piece and carries out the operation again.
The invention can realize the synchronous position adjustment of the Z axis by utilizing the profiling track, saves a set of servo drive control system, solves the problems of complex mechanism, large investment, inconvenient maintenance and the like caused by adopting a three-axis automatic welding machine system, and also solves the problems of deformation and even breakdown of welding points caused by asynchronous contact between the upper electrode arm and the lower electrode arm and a workpiece when the common fixed electrode holder is used for welding.
According to the balanced type automatic welding system for the back panel, the Z-direction height deviation is adjusted through the profiling track, the function of three-axis automatic welding is achieved by utilizing the two groups of servo motors and the PLC control system, meanwhile, the overall stable operation posture of the welding tongs is achieved, manual welding operation is eliminated, and the working efficiency is improved.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "X, Y, Z", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the scope of the present invention.
Claims (10)
1. The utility model provides a balanced type back panel automatic weld system which characterized in that: the device comprises a rack, wherein a profiling track extending along the X direction is arranged on the rack, the profiling track comprises a first horizontal track and a second horizontal track, the first horizontal track and the second horizontal track have a height difference in the Z direction, and the first horizontal track and the second horizontal track are smoothly connected through a connecting track;
a support plate matched with the profiling track in a sliding guide manner is arranged on the profiling track, a linear guide rail extending along the Y direction is arranged on the support plate, and a sliding table matched with the linear guide rail in a sliding guide manner is arranged on the linear guide rail; a first driving mechanism which is connected with the supporting plate and drives the supporting plate to move on the profiling track, and a second driving mechanism which is connected with the sliding table and drives the sliding table to move on the linear guide rail;
a welding clamp fixing seat is arranged on the sliding table, and a welding clamp is arranged on the welding clamp fixing seat; one side of the frame is provided with a back panel clamp.
2. The balanced tailgate automatic welding system according to claim 1, wherein: two groups of the profiling tracks are horizontally and symmetrically arranged.
3. The balanced tailgate automatic welding system according to claim 2, wherein: the lower side of the supporting plate is provided with two groups of rollers corresponding to the two groups of profiling tracks, and the rollers are matched with the profiling tracks in a rolling manner.
4. The balanced tailgate automatic welding system according to claim 1, wherein: two groups of linear guide rails are horizontally and symmetrically arranged.
5. The balanced tailgate automatic welding system according to claim 4, wherein: and two groups of sliding seats are arranged on the lower side of the sliding table and correspond to the two groups of linear rails, and the sliding seats are in sliding fit with the linear guide rails.
6. The balanced tailgate automatic welding system according to claim 1, wherein: the first driving mechanism comprises a first lead screw which is arranged on the rack and extends along the X direction, one end part of the lead screw is connected with a first servo motor which drives the lead screw to rotate, and the first servo motor is arranged on the rack; the first screw rod is provided with a first sliding block in threaded connection with the first screw rod, and the first sliding block is connected with the supporting plate through a movable connecting block.
7. The balanced tailgate automatic welding system according to claim 1, wherein: the second driving mechanism comprises a second screw rod which is arranged on the supporting plate and extends along the Y direction, the two end parts of the screw rod are connected with a second servo motor which drives the screw rod to rotate, and the second servo motor is arranged on the supporting plate; the second screw rod is provided with a second sliding block in threaded connection with the second screw rod, and the second sliding block is connected with the sliding table through a fixed connecting block.
8. The balanced tailgate automatic welding system according to claim 1, wherein: the back panel clamp is an electric control clamp.
9. The balanced back panel automatic welding system of any one of claims 1-8, wherein: the welding tongs fixing seat is provided with a rotating seat, and a rotating shaft of the flexible welding tongs is rotatably connected with the rotating seat to form a flexible welding tongs mechanism.
10. The balanced tailgate automatic welding system according to claim 9, wherein: the frame on install the PLC control box, the PLC control box is connected with first actuating mechanism and second actuating mechanism control.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011372230.2A CN112496618A (en) | 2020-11-30 | 2020-11-30 | Balanced type back panel automatic welding system |
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CN202011372230.2A CN112496618A (en) | 2020-11-30 | 2020-11-30 | Balanced type back panel automatic welding system |
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CN112496618A true CN112496618A (en) | 2021-03-16 |
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CN202011372230.2A Pending CN112496618A (en) | 2020-11-30 | 2020-11-30 | Balanced type back panel automatic welding system |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201841369U (en) * | 2010-10-20 | 2011-05-25 | 山东常林机械集团股份有限公司 | Automatic welding machine |
CN102513677A (en) * | 2011-12-30 | 2012-06-27 | 长城汽车股份有限公司 | Four-axis linkage automatic spot welding machine |
CN103028875A (en) * | 2012-12-28 | 2013-04-10 | 长城汽车股份有限公司 | Variable-angle automatic spot welding device moving along with profiling track |
CN203437843U (en) * | 2013-08-30 | 2014-02-19 | 北汽福田汽车股份有限公司 | Automatic welding lifting device |
CN103612044A (en) * | 2013-12-06 | 2014-03-05 | 上汽通用五菱汽车股份有限公司 | Automatic welding device for white automobile body curved surface |
CN203566071U (en) * | 2013-11-20 | 2014-04-30 | 安徽日基焊接装备有限公司 | Welding tongs |
CN203765158U (en) * | 2014-02-21 | 2014-08-13 | 武汉理工大学 | Automatic plane curve welding mechanism with reciprocating rotating mechanism |
CN206605185U (en) * | 2017-04-13 | 2017-11-03 | 唐山开元阻焊设备有限公司 | A kind of movement in a curve servo slide table |
CN206952419U (en) * | 2017-06-08 | 2018-02-02 | 北京凌云东园科技有限公司 | A kind of automobile using arc track formula automatic multi-point welding device |
CN209998543U (en) * | 2019-05-10 | 2020-01-31 | 浙江农业商贸职业学院 | automobile multi-point automatic welding device |
-
2020
- 2020-11-30 CN CN202011372230.2A patent/CN112496618A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201841369U (en) * | 2010-10-20 | 2011-05-25 | 山东常林机械集团股份有限公司 | Automatic welding machine |
CN102513677A (en) * | 2011-12-30 | 2012-06-27 | 长城汽车股份有限公司 | Four-axis linkage automatic spot welding machine |
CN103028875A (en) * | 2012-12-28 | 2013-04-10 | 长城汽车股份有限公司 | Variable-angle automatic spot welding device moving along with profiling track |
CN203437843U (en) * | 2013-08-30 | 2014-02-19 | 北汽福田汽车股份有限公司 | Automatic welding lifting device |
CN203566071U (en) * | 2013-11-20 | 2014-04-30 | 安徽日基焊接装备有限公司 | Welding tongs |
CN103612044A (en) * | 2013-12-06 | 2014-03-05 | 上汽通用五菱汽车股份有限公司 | Automatic welding device for white automobile body curved surface |
CN203765158U (en) * | 2014-02-21 | 2014-08-13 | 武汉理工大学 | Automatic plane curve welding mechanism with reciprocating rotating mechanism |
CN206605185U (en) * | 2017-04-13 | 2017-11-03 | 唐山开元阻焊设备有限公司 | A kind of movement in a curve servo slide table |
CN206952419U (en) * | 2017-06-08 | 2018-02-02 | 北京凌云东园科技有限公司 | A kind of automobile using arc track formula automatic multi-point welding device |
CN209998543U (en) * | 2019-05-10 | 2020-01-31 | 浙江农业商贸职业学院 | automobile multi-point automatic welding device |
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Application publication date: 20210316 |
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