CN101104233A - Modular self-adaptive regulation clamp to weld car and its regulating method - Google Patents
Modular self-adaptive regulation clamp to weld car and its regulating method Download PDFInfo
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- CN101104233A CN101104233A CNA2007100447852A CN200710044785A CN101104233A CN 101104233 A CN101104233 A CN 101104233A CN A2007100447852 A CNA2007100447852 A CN A2007100447852A CN 200710044785 A CN200710044785 A CN 200710044785A CN 101104233 A CN101104233 A CN 101104233A
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Abstract
The invention relates to a modularizing self-adaptation adjusting clamp used in the automobile welding, comprising a based station(1), a clamping mechanism(100) fixed on the based station(1) , an independent principal positioning mechanism(200), and an online real-time detecting and self-adaptation adjusting device(300). The online real-time detecting and self-adaptation adjusting device (300) is composed of a stepping motor (305), a slider (308), a straight-line guiding rail (309) and a transmission device. The transmission device, which is driven by the stepping motor (305), pushes a pushing rod (301) and the slider to slide along the straight-line guiding rail (309). The invention is more flexible and is convenient for the connection and combination of every component by means of modularized, standardized and serialized clamp elements, can be adapted to various work within a certain range and type, can effectively reduce the manufacturing cost, effectively controls the precision of the key points of workpieces and improves the welding quality and efficiency.
Description
Technical field
The invention belongs to the weld car field, particularly relate to a kind of modular self-adaptive adjustment component and method of adjustment thereof.
Background technology
Competition between the 21 century automobile manufacturing enterprise has developed and has become time based competion, in order to satisfy product diversity that market proposes, quality, requirement on the delivery time, must from improve the quality and flexibility to research and analyse the vehicle body manufacturing system, seek effective control method.Data shows that the change of being done in all designs of automobile manufacturing enterprise has 67%-70% owing to the product size deviation causes, the effective control that lacks production process performance and deviation state during the product technological design is the fundamental cause that throws into question.Because sheet stamping member is yielding, the accessory size deviation that the part punching quality of vehicle body manufacturing assembling process, the instability of assembling-welding fixtures clamping and positioning, be welded distortion and parts assembling interference etc. cause is coupled, accumulates in the vehicle body assembling process and propagation can form the comprehensive deviation that vehicle body is made.Vehicle body Assembling Production system is made up of four parts such as welding equipment, frock clamp, mechanization induction system and automation control systems.Weld jig be body assembly and sub-unit thereof finish the dress welder make used location and clamping mechanical, its reasonability not only influences the accuracy of Working position, welding quality also has influence on operating efficiency and production cost.Show that according to correlative study the quality problems of the body of a motor car manufacturing that is caused by weld jig have accounted for 72% of whole assembly quality problems.
At present, in the numerous at home automobile making manufacturer, what the welding tooling anchor clamps adopted usually is the special tooling anchor clamps, it at together or the specific welding procedure in a few road be equipped with.Development trend along with present automobile production small lot, personalization, the use of this class frock just more and more is restricted, the cycle that its design is produced is longer, the place takies bigger, the shortcoming that repeat usage is lower comes out fully, this present situation has restricted the raising of China auto manufacturing welding procedure level largely, has prolonged the cycle of new model research and development.
Existing body of a motor car producer regularly checks anchor clamps or the workpiece after the welding is inspected by random samples, all need to spend the more time, and the sampling observation workpiece need be developed special-purpose cubing at every turn; And mainly check means have three-coordinates measuring machine, measurement mechanical hand, laser tracker etc.; but these detection means all are to make regular check on the CCP of anchor clamps or product taken out to pick up, and all need to shut down and detect, and need take a long time; and the cost of equipment is very high, not easy care.
The present invention is based on the variation that adapts to the similar workpiece of certain vehicle, the flexible reconfigurable design concept that realizes the adaptive equalization of deviation, can address the above problem.
Summary of the invention
Technical problem to be solved by this invention provides can be in a certain size scope endoadaptation different workpieces change of shape, can on body production-line, detect in real time soldering cramping apparatus, and the new automobile soldering cramping apparatus that can adjust in real time setting element solves the defective that detects inconvenience in the prior art simultaneously.
Technical scheme
The modular self-adaptive that the invention provides a kind of weld car is adjusted anchor clamps, comprises base station, is fixed on clamp mechanism and independent main detent mechanism above the base station, online real-time detection and self-adapting adjusting apparatus,
Described clamp mechanism is by bracing frame, dull and stereotyped connector, compact heap and compress connecting rod and form, and dull and stereotyped connector is fixed on the bracing frame, connects dull and stereotyped connector front end by compressing the fixedly connected compact heap of connecting rod;
The main detent mechanism of described independence is made up of shop bolt, switching piece and positioning table, and shop bolt is fixed on the positioning table by the switching piece, and positioning table is fixed on the base station by column;
Described online real-time detection and self-adapting adjusting apparatus are made up of stepper motor, slide block, line slideway and transmission device, the output shaft of stepper motor links to each other with the power shaft of transmission device, the other end of transmission device connects push rod, described push rod is placed on the slide block, can slide along line slideway together.
Described transmission device is made of ball-screw and shaft coupling, and stepper motor drives the ball-screw rotating by shaft coupling, makes slide block and push rod along the line slideway linear reciprocating motion.
Described bracing frame is by column, inner sleeve, outer sleeve, L type column constitutes, wherein, and fixedly connected inner sleeve above the column, the outer socket outer sleeve of inner sleeve, adjustable connection between the outer socket outer sleeve of inner sleeve, fixedly connected L type column above the outer sleeve, the fixedly connected dull and stereotyped connector in L type column side.
One registration hole is arranged on described inner sleeve and the outer sleeve, between link to each other with shop bolt by screw.
Described positioning table is location-plate, contiguous block, the dull and stereotyped composition by the hole, wherein, the dull and stereotyped top contiguous block that passes through, fixedly connected hole is a location-plate, the hole is a fixed transfer piece on the location-plate.
Described switching piece is L shaped.
Be evenly equipped with array hole on the described flat board.
Be evenly equipped with array hole on the described base station.
Be provided with the adjustable water saving square transition flat board to the position between described clamp mechanism and the base station, described column all is screwed connection between transition flat board and the base station.
Described compact heap and compressing between the connecting rod connects by transition piece.
This device also comprises alarm unit, is used for sending the sound and light alarm signal when position signalling that sensor is gathered exceeds allowable error, and the indication anchor clamps need be adjusted.
A kind of vehicle bodywork soldering cramping apparatus self-adapting method of adjustment, at first with in the soldering cramping apparatus on position sensor and the self-adapting adjusting apparatus embedding body of a motor car streamline, when soldering cramping apparatus positions workpiece, position sensor is gathered the positional information of workpiece, this positional information is sent to the sensor controller A that links to each other with sensor by the high-frequency electrical cable then, sensor controller A location information transforms, and carry out error identification and judgement, assign instruction for the motion controller B of anchor clamps self-adapting adjusting apparatus, motion controller B handles detection signal, send the instruction drive motors, the rotating of driven by motor screw mandrel, and, make push rod realize linear reciprocating motion along line slideway through slide block, finish the self adaptation adjustment, simultaneously with result's output and preservation.
In the said method, when the adjustment of anchor clamps self adaptation finishes and meets the demands, central processor CPU provides corresponding signal, and the indication anchor clamps carry out next action.
In the said method,, a plurality of setting elements are carried out the self adaptation adjustment simultaneously by sensor controller and the control of motion controller multiaxis by the real-time detection of position sensor to a plurality of anchor points.
Beneficial effect
The beneficial effect that the present invention and existing anchor clamps comparison are had is:
1. the present invention has bigger flexibility, by the fixture of modularization, standardization, seriation, is convenient to the connection combination between each assembly, can adapt to the different workpieces of certain limit and type, can effectively reduce production cost, enhances productivity.
2. to have the hole of accurate positioning function be soleplate in the present invention, cooperates the dull and stereotyped accurate adjusting that just can realize on interior two the reference axis directions of horizontal plane of removable transition.
3. the present invention has the square sleeve structure, can realize adjustment on the horizontal plane normal direction in the certain limit according to fixing pitch of holes, cooperates accurate pad can realize accurate adjustment on the horizontal plane normal direction.
4. the present invention has independently main locating module, detent mechanism and clamp mechanism hierarchical design, helps design of Clamping Apparatus and manufacturing, helps realizing flexible reconstruct simultaneously.
5. the present invention has effectively controlled the positioning accuracy of workpiece key point by multiple spot on-line real time monitoring and self adaptation adjustment, improves welding quality and efficient.
6. the present invention detects the location situation of anchor clamps in real time by on-line monitoring, and when the anchor clamps positioning accuracy was overproof, system produced and reports to the police, and shows the duty of anchor clamps simultaneously.
7. the present invention is controlled in the prescribed limit anchor clamps alignment error by workpiece being carried out the adjustment of multiple spot self adaptation, has avoided the shutdown of anchor clamps to detect and adjust, and saves time, enhances productivity.
8. the present invention has realized detecting and the collaborative work of adjusting control, has write down the location and installation situation of workpiece on anchor clamps on the production line, for important information has been preserved in product quality management.
9. the present invention earlier through the verification of structure analysis software platform, can guarantee that the rigidity of entire infrastructure spare satisfied workpiece installation stability requirement before reconstruct is installed.
10. the present invention earlier through the Simulation of Mechanism Movement analysis, can guarantee that the anchor clamps that produce satisfy requirements of actual production, and the conventional combination anchor clamps does not possess this process in design process.
11. the present invention is when obtaining processing work, the feature identification through to workpiece under the structure analysis software platform is supported, generates a plurality of candidate schemes, after preferred plan is selected in the finite element simulation analysis, can effectively improve the validity and the reliability of design.
Description of drawings
Fig. 1 is a three-dimensional general assembly schematic diagram of the present invention;
Fig. 2 is the frame principles schematic diagram of self-adapting regulation method of the present invention and device;
Fig. 3 is the structural representation of self-adapting adjusting apparatus straight-line transmitting actuation mechanism of the present invention;
Fig. 4 is a clamp mechanism schematic perspective view of the present invention;
Fig. 5 is the main detent mechanism schematic perspective view of independence of the present invention.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
As shown in Figure 1, the present invention includes base station 1, transition flat board 2 is fixed on clamp mechanism 100 and independent main detent mechanism 200 above the base station 1, is installed in self adaptation adjustment and checkout gear 300 on the sleeve 6.
As shown in Figure 2, self-adapting adjusting apparatus of the present invention comprises: online real-time detection apparatus, controller A, B, self-adapting adjusting apparatus 2 and self-adapted adjustment system.
Online real-time detection apparatus is made up of position sensor 311, high-frequency electrical cable 316 and sensor controller A.
Described online real-time detection and self-adapting adjusting apparatus 300 are made up of stepper motor 305, slide block 308, line slideway 309, ball-screw 306, shaft coupling 303, push rod 301; Motion controller is according to detection signal, obtain the quantized value of the required adjustment of anchor clamps, send instruction and drive stepper motor 305, stepper motor 305 drives ball-screw 306 rotatings, make slide block 308 and push rod 301 along line slideway 309 linear reciprocating motions, be used for the self adaptation adjustment.
As shown in Figure 3, self-adapting adjusting apparatus is made up of motion controller B, motor 305, shaft coupling 303, slide block 308, line slideway 309, supporting seat 302, ball-screw 306, push rod 301, limit switch and shell 304.
As shown in Figure 4, clamp mechanism 100 is by column 3, inner sleeve 5, and outer sleeve 6, L type column 7, dull and stereotyped connector 8, compact heap 9 compresses connecting rod 11 and forms.
Fixedly connected inner sleeve 5 above the column 3, inner sleeve 5 outer socket outer sleeves 6, realize that by screw and shop bolt the adjustable of short transverse is connected between the inner sleeve 5 outer socket outer sleeves 6, fixedly connected L type column 7 above the outer sleeve 6, the fixedly connected dull and stereotyped connector 8 in L type column 7 sides connects dull and stereotyped connector 8 front ends by compressing connecting rod 11 fixedly connected compact heaps 9; Compact heap and compress transition piece 10 is installed between the connecting rod.
Connection between each parts realizes by bolt, nut and screw.At first column 3 is connected with inner sleeve 5 usefulness screws, connect L type column 7 by screw on the outer sleeve 6, the centre can add certain thickness pad 4 and adjust height, on L type column, connect dull and stereotyped connector 8 by bolt, nut, compress connecting rod 11 and other attaching parts then and all be fixedly connected on the dull and stereotyped connector 8 by bolt, nut and screw, 9 of compact heaps are connected by screw and compress on the connecting rod.
As shown in Figure 5, independent main detent mechanism 200 is made up of shop bolt 12, switching piece 13, switching piece 14, hole system flat board 15, contiguous block 16, dull and stereotyped 17.
By contiguous block 16, fixedly connected hole is a flat board 15 above dull and stereotyped 17, fixedly connected switching piece 14 in the hole system dull and stereotyped 15, switching piece 14 top connection switching pieces 13.
At first on column 19, connect dull and stereotyped 17 by screw bolt and nut, on dull and stereotyped 17, connect contiguous block 16 by screw, on the contiguous block 16 by screw connecting hole system dull and stereotyped 15, switching piece 14 is installed in the hole system dull and stereotyped 15 by screw, the piece 13 of transferring then is installed on the switching piece 14 by screw, can add pad in the middle of both and adjust distance on two reference axis directions of horizontal plane, all location are all realized by pin-and-hole and pin.Independent main detent mechanism 200 directly is fixed on the base station 1 by screw, and clamp mechanism 100 at first relies on screw to be connected on the transition flat board 2, by screw transition (deleting " little ") dull and stereotyped 2 is fixed on the base station then.
The motion mode of anchor clamps is as follows: at first drive cylinder by air pump, ejecting rod of cylinder promotes to compress connecting rod 11 by linkage, compresses connecting rod 11 drive compact heaps 9 and clamps action.Wherein the action of cylinder is by solenoid control.
Claims (13)
1. the modular self-adaptive of a weld car is adjusted anchor clamps, comprises base station (1), is fixed on clamp mechanism (100) and independent main detent mechanism (200) above the base station (1), and online real-time detection and self-adapting adjusting apparatus (300) is characterized in that:
Described clamp mechanism (100) is by bracing frame, dull and stereotyped connector (8), compact heap (9) and compress connecting rod (11) and form, dull and stereotyped connector (8) is fixed on the bracing frame, connects dull and stereotyped connector (8) front end by compressing the fixedly connected compact heap of connecting rod (11) (9);
The main detent mechanism of described independence (200) is by shop bolt (12), switching piece (13,14) and positioning table, and shop bolt (12) is fixed on the positioning table by switching piece (13,14), and positioning table is fixed on the base station by column (19);
Described online real-time detection and self-adapting adjusting apparatus (300) are made up of stepper motor (305), slide block (308), line slideway (309) and transmission device, the output shaft of stepper motor (305) and the power shaft of transmission device link to each other, the other end of transmission device connects push rod (301), described push rod (301) is placed on the slide block (308), can slide along line slideway (309) together.
2. adjust anchor clamps as the modular self-adaptive of the weld car under the claim 1, it is characterized in that: described transmission device is made of ball-screw (306) and shaft coupling (303), stepper motor (305) drives ball-screw (306) rotating by shaft coupling (303), makes slide block (308) and push rod (301) along line slideway (309) linear reciprocating motion.
3. the modular self-adaptive of weld car as claimed in claim 1 is adjusted anchor clamps, it is characterized in that: described bracing frame is by column (3), inner sleeve (5), outer sleeve (6), L type column (7) constitutes, wherein, fixedly connected inner sleeve (5) above the column (3), the outer socket outer sleeve of inner sleeve (5) (6), adjustable connection between the outer socket outer sleeve of inner sleeve (5) (6), fixedly connected L type column (7) above the outer sleeve (6), the fixedly connected dull and stereotyped connector in L type column (7) side (8).
4. the modular self-adaptive of weld car according to claim 3 is adjusted anchor clamps, it is characterized in that, and described inner sleeve (5), adjustable being connected between the outer sleeve (6) is provided with pad (4) between column (3) and the inner sleeve (5).
5. the modular self-adaptive of weld car according to claim 3 is adjusted anchor clamps, it is characterized in that: described inner sleeve (5), adjustable being connected on inner sleeve (5) and the outer sleeve (6) between the outer sleeve (6) has a registration hole, between link to each other with shop bolt by screw.
6. the modular self-adaptive of weld car as claimed in claim 1 is adjusted anchor clamps, it is characterized in that: described object platform is that location-plate (15), contiguous block (16), dull and stereotyped (17) are formed by the hole, wherein, pass through contiguous block (16) above dull and stereotyped (17), fixedly connected hole is location-plate (15), and the hole is that location-plate (15) is gone up fixed transfer piece (14).
7. the modular self-adaptive of weld car according to claim 6 is adjusted anchor clamps, it is characterized in that: be evenly equipped with array hole (20) on the described flat board (17).
8. the modular self-adaptive of weld car as claimed in claim 6 is adjusted anchor clamps, it is characterized in that: described switching piece (14) is for L shaped, by switching piece (13) stationary positioned pin (12).
9. adjust anchor clamps as the modular self-adaptive of the described weld car of any claim in the claim 1～8, it is characterized in that: be evenly equipped with array hole (18) on the described base station (1).
10. adjust anchor clamps as the modular self-adaptive of the described weld car of any claim in the claim 1～8, it is characterized in that: be provided with adjustable water saving square transition flat board (2) between described clamp mechanism (100) and the base station (1) to the position, described column (3) all is screwed connection between transition flat board (2) and the base station (1).
11. adjust anchor clamps according to the modular self-adaptive of the described weld car of any claim in the claim 1～8, it is characterized in that: described compact heap (9) and compressing between the connecting rod (11) by transition piece (10) connection.
12. the modular self-adaptive according to the described weld car of any claim in the claim 1～8 is adjusted anchor clamps, it is characterized in that: this device also comprises alarm unit, be used for when position signalling that sensor (311) is gathered exceeds allowable error, send the sound and light alarm signal, the indication anchor clamps need be adjusted.
13. vehicle bodywork soldering cramping apparatus self-adapting method of adjustment, it is characterized in that: at first with in the soldering cramping apparatus (313) on position sensor (311) and self-adapting adjusting apparatus (312) the embedding body of a motor car streamline, when soldering cramping apparatus to workpiece (314) when positioning, position sensor (311) is gathered the positional information of workpiece (314), this positional information is sent to the sensor controller (A) that links to each other with sensor (311) by high-frequency electrical cable (316) then, sensor controller (A) location information transforms, and carry out error identification and judgement, assign instruction for the motion controller (B) of anchor clamps self-adapting adjusting apparatus, motion controller (B) is handled detection signal, send instruction drive motors (305), motor (305) drives screw mandrel (306) rotating, and through slide block (308), make push rod (301) realize linear reciprocating motion along line slideway (309), finish the self adaptation adjustment, simultaneously with result's output and preservation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100447852A CN100484689C (en) | 2007-08-10 | 2007-08-10 | Modular self-adaptive regulation clamp for welding car and its regulating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100447852A CN100484689C (en) | 2007-08-10 | 2007-08-10 | Modular self-adaptive regulation clamp for welding car and its regulating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101104233A true CN101104233A (en) | 2008-01-16 |
| CN100484689C CN100484689C (en) | 2009-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100447852A Expired - Fee Related CN100484689C (en) | 2007-08-10 | 2007-08-10 | Modular self-adaptive regulation clamp for welding car and its regulating method |
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| CN (1) | CN100484689C (en) |
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| CN111136415A (en) * | 2019-12-31 | 2020-05-12 | 天津新玛特科技发展有限公司 | Multi-axis linkage flexible positioning equipment for multi-vehicle type mixed line production |
| CN111906198A (en) * | 2020-06-30 | 2020-11-10 | 浙江联控技术有限公司 | Flexible side finishing structure and flexible side finishing device |
| CN111940988A (en) * | 2020-07-22 | 2020-11-17 | 西安建筑科技大学 | Adjustable steel pipe clamping mechanism and vertical and horizontal hybrid steel pipe welding device |
| CN112141625A (en) * | 2019-11-08 | 2020-12-29 | 丽水市翔隆自动化设备制造有限公司 | Automatic conveying device of machining equipment |
| CN116748768A (en) * | 2023-06-05 | 2023-09-15 | 上海柴孚机器人有限公司 | Welding robot capable of changing welding mode according to workpiece shape |
| CN117428408A (en) * | 2023-12-20 | 2024-01-23 | 武汉瑞普汽车部件有限公司 | Automobile threshold boundary beam welding positioning device |
-
2007
- 2007-08-10 CN CNB2007100447852A patent/CN100484689C/en not_active Expired - Fee Related
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| CN116748768A (en) * | 2023-06-05 | 2023-09-15 | 上海柴孚机器人有限公司 | Welding robot capable of changing welding mode according to workpiece shape |
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