CN209830603U - Angle modulation ware assembly welding system - Google Patents
Angle modulation ware assembly welding system Download PDFInfo
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- CN209830603U CN209830603U CN201920325115.6U CN201920325115U CN209830603U CN 209830603 U CN209830603 U CN 209830603U CN 201920325115 U CN201920325115 U CN 201920325115U CN 209830603 U CN209830603 U CN 209830603U
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Abstract
The utility model relates to an angle modulation ware assembly welding system, including the laser welding robot that is used for carrying on welding operation between backplate, bedplate and the core, be used for the assembly robot that puts in place the finding of little part assembly, be used for carrying on little part welding operation's arc welding robot and the welding jig that can overturn, each robot all arranges by welding jig. The utility model discloses in, adopt laser stitch welding technique between backplate, bedplate and the core, welding thermal deformation is little, welding speed is fast, degree of automation is high, and the welding of finding adopts the arc-welding technique, adapts to the condition that finding machining precision is not high, the part uniformity is not good, and two kinds of welding can go on same suit of frock, avoid the secondary clamping to can guarantee welding precision and product quality.
Description
Technical Field
The utility model belongs to the technical field of the automobile spare and accessory part production, especially, relate to the production of car seat angle modulation ware, concretely relates to angle modulation ware assembly welding system.
Background
Along with the cycle of the current automobile updating, the automobile seat angle adjuster is updated more and more quickly, and in order to improve the processing efficiency of the automobile seat angle adjuster in a large scale, a large number of automatic angle adjuster welding production devices are arranged at the current stage and are mainly used for realizing the welding of a back plate and a seat plate of the angle adjuster, the assembly and the welding of small parts such as a limiting piece, an unlocking piece, a large bracket, a steel wire and the like.
In the prior art, the welding equipment for the automobile seat angle adjuster mainly adopts the manual arc welding technology: firstly, assembling the seat back plate and the core part on a fixed tool clamp, and welding, and then assembling the small part on another arc welding workstation on a special tool clamp for welding. Therefore, the welding production of the traditional automobile seat angle adjuster needs to be finished by two working procedures, and the welding precision is poor and the rejection rate is high due to the fact that secondary clamping and manual positioning errors are large. Moreover, the arc welding has large thermal deformation, low finished product qualification rate, slow welding speed and complex product remodeling operation. At present, the demand of automobile seat angle adjusters in the market is increasing day by day, and the precision requirement of the seat back plate and the whole automobile is higher and higher, so that the traditional process mode can not keep up with the development requirement obviously.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a angle modulation ware assembly welding system can solve prior art's partial defect at least.
The embodiment of the utility model relates to angle modulation ware assembly welding system, including the welding jig that can overturn, still including being used for carrying on between backplate, bedplate and the core welding operation laser welding robot, be used for assembling the assembly robot that the finding place with the finding and be used for carrying on the arc welding robot of finding welding operation, each robot all arrange in by the welding jig.
As one embodiment, the angle adjuster assembly welding system further comprises a position changing machine capable of achieving two-station alternate welding, and the welding fixture is arranged on the position changing machine.
As one embodiment, a small part tray for placing small parts is arranged on the positioner.
As one embodiment, the welding fixture comprises a clamping plate for placing each angle adjuster component, a core clamping mechanism for clamping a core piece and a plurality of groups of connecting plate clamping mechanisms for clamping a back plate and a seat plate, wherein each connecting plate clamping mechanism comprises a positioning pin and a three-dimensional driving unit for adjusting the spatial position of the positioning pin so as to enable the positioning pin to be inserted into corresponding connecting plate mounting holes, and the total number of the positioning pins is not less than the number of the connecting plate mounting holes of the angle adjuster assembly with the largest connecting plate mounting holes.
In one embodiment, each of the three-dimensional drive units is disposed around the core clamping mechanism.
As one embodiment, the three-dimensional driving unit includes a three-dimensional positioning slide table composed of three servo slide tables, and each servo slide table is driven by a servo motor.
In one embodiment, the core clamping mechanism comprises two sets of core pressing units for respectively pressing the upper surface and the lower surface of the core, and the two sets of core pressing units are respectively arranged on two sides of the clamping plate.
As one embodiment, the core pressing unit comprises a clamping jaw and a clamping jaw driving assembly used for driving the clamping jaw to act.
The embodiment of the utility model provides a following beneficial effect has at least:
the utility model provides an among the angle modulation ware assembly welding system, the backplate, adopt laser stitch welding technique between bedplate and the core, welding thermal deformation is little, welding speed is fast, degree of automation is high, and the welding of finding is adopted the arc-welding technique, the operation of being convenient for, the machining precision that adapts to finding is not high, the condition that the part uniformity is not good, avoid finding laser welding and influence angle modulation ware product quality, two kinds of welding can go on same suit, avoid the secondary clamping, thereby welding precision and product quality can be guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic top view structure diagram of a welding system of an angle adjuster assembly according to a second embodiment of the present invention;
fig. 2 is a schematic view of a main view structure of a welding system of an angle adjuster assembly according to a second embodiment of the present invention;
fig. 3 is a schematic structural view of a flexible welding fixture provided by the third embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 1 and 2, an embodiment of the present invention provides a welding process for an angle adjuster assembly, wherein a laser stitch welding mode is adopted for welding operations between a back plate, a seat plate and a core, and a welding mode is adopted for welding small parts after the assembly is in place.
In the art, the small parts include, but are not limited to, at least one of a limiting piece, an unlocking piece, a large bracket, a steel wire and the like.
The laser stitch welding operation is preferably realized through the laser welding robot 1, and the laser welding robot 1 preferably comprises a 6-axis robot, a welding head, a laser, a water and gas path, a dust removing auxiliary device and the like, so that the stitch welding operation among key components (a back plate, a seat plate and a core piece) of the angle adjuster assembly can be well realized.
The arc welding operation is preferably performed by an arc welding robot 6, which can perform the welding operation of the respective small parts.
The assembly operation of the small parts described above is preferably carried out by an assembly robot 7. The assembly robot 7 is preferably a 6-axis assembly robot 7, which can well assemble various small parts.
The laser welding robot 1, the arc welding robot 6, the assembling robot 7 and the like can all adopt the existing industrial robots, and the specific structure is not described herein again.
In the angle modulation ware assembly welding process that this embodiment provided, adopt laser stitch welding technique between backplate, bedplate and the core, welding thermal deformation is little, welding speed is fast, degree of automation is high, and the welding of finding is adopted the arc welding technique, the operation of being convenient for, the machining precision that adapts to finding is not high, the condition that the part uniformity is not good, avoid finding laser welding and influence angle modulation ware product quality, two kinds of welding can be gone on same suit of frock, avoid the secondary clamping, thereby can guarantee welding precision and product quality.
Further optimizing the welding process of the angle adjuster assembly, wherein the welding process specifically comprises the following steps:
s1, clamping the back plate, the seat plate and the core piece on the clamp 4;
s2, welding one surface of the angle adjuster assembly, wherein the back plate, the seat plate and the core part are welded together by the laser welding robot 1, then the small parts are assembled in place by the assembling robot 7, and the welding operation of the small parts is carried out by the arc welding robot 6;
s3, a welding operation of the other side of the recliner assembly is performed, which is the same as the welding operation in S2.
Further, based on the two-side welding operation of the angle adjuster assembly, the welding fixture 4 capable of being turned over is preferably adopted as the fixture 4. In addition, each welding operation is preferably carried out on the positioner 5, and can be switched between two stations for welding, wherein when one station carries out the welding operation, the other station carries out workpiece clamping or small part assembly and the like; the above-described turning of the welding jig 4 can be realized by the positioner 5. The positioner 5 is conventional equipment in the field, and the specific structure of the positioner is not described in detail herein; which is preferably a three-axis positioner 5.
The laser welding robot 1, the arc welding robot 6, the assembling robot 7, and the like are preferably arranged near the positioner 5. Further, it is preferable that a small tray for placing small parts is provided on the positioner 5; preferably, a mistake-proofing sensor is arranged on the small tray and used for detecting whether a currently placed part is correct or not and is placed in place, the mistake-proofing sensor is the existing equipment, and the specific structure is not described in detail here.
Further preferably, in this embodiment, the flexible welding fixture 4 is adopted, which can match the production of various angle adjusters, and the specific structure of the flexible welding fixture 4 will be described in the following specific embodiment three. Correspondingly, the process steps of the welding process are further expanded as follows:
(1) selecting the type of the angle adjuster to be processed in the system, and waiting for the positioning pin 41, the core part clamping mechanism and the like on the flexible welding fixture 4 to move to the corresponding positioning point of the angle adjuster;
(2) placing the angle adjuster back plate, the seat plate and the core part on a clamp 4, and clamping the flexible welding clamp 4 according to the selected type of the angle adjuster;
(3) placing the small parts corresponding to the current product on a small part tray on the three-axis positioner 5, and detecting whether the currently placed parts are correct and in place by using an error-proof sensor; the assembling robot 7 replaces the small part gripper corresponding to the current product;
(4) the selection of the products is completed, the positioning pin 41 of the clamp 4 is adjusted in place, the gripper of the assembly robot 7 is ready, after the seat back plate, the core piece and the small part are placed in place, an operator walks to a safe position to press an appointment button, and the three-axis positioner 5 rotates 180 degrees to a welding station;
(5) the laser welding robot 1 moves to the upper side of a workpiece to perform laser welding, meanwhile, the assembly robot 7 grabs small parts on a small part tray on the positioner 5, after the laser welding is completed, the laser welding robot 1 withdraws, then the assembly robot 7 assembles the small parts in place, the arc welding robot 6 enters to perform arc welding, after the arc welding is completed, the arc welding robot 6 returns to a position to be set, the clamp 4 turns over by 180 degrees, and the laser welding-assembly-arc welding operation of the back side of the angle adjuster is performed in the same step;
(6) after the welding is finished, the positioner 5 rotates to send out the station, and the other station is simultaneously sent in for welding.
Example two
As fig. 1 and 2, the embodiment of the utility model relates to an angle modulation ware assembly welding system, including the welding jig 4 that can overturn, it is further including being used for carrying on between backplate, bedplate and the core welding operation laser welding robot 1, be used for assembling the little part assembly to the right place assembly robot 7 and be used for carrying on little part welding operation's arc welding robot 6, each robot all arrange in by welding jig 4.
The laser welding robot 1 preferably comprises a 6-axis robot, a welding head, a laser, a water gas path, dust removal and other auxiliary equipment, and can better realize stitch welding operation among key components (a back plate, a seat plate and a core piece) of the angle adjuster assembly.
The assembly operation of the small parts described above is preferably carried out by an assembly robot 7. The assembly robot 7 is preferably a 6-axis assembly robot 7, which can well assemble various small parts.
The laser welding robot 1, the arc welding robot 6, the assembling robot 7 and the like can all adopt the existing industrial robots, and the specific structure is not described herein again.
As a preferred structure provided in the present embodiment, as shown in fig. 1, a laser welding robot 1 and an arc welding robot 6 are respectively arranged at opposite sides of a welding jig 4, wherein the arc welding robot 6 is preferably arranged on an arc welding gantry 3, the three-dimensional spatial position of the arc welding robot 6 can be precisely controlled, and the laser welding robot 1 can be controlled to approach or depart from the welding jig 4 by a robot horizontal guide rail or the like; the assembly robot 7 is preferably mounted on an assembly gantry 2, which assembly gantry 2 is located between the laser welding robot 1 and the arc welding robot 6. Based on the structure, the arrangement of each robot is convenient, the system layout is compact, and the operation of each robot is not influenced. Further, the arc welding robot 6 is preferably installed upside down on the arc welding gantry 3, and the assembling robot 7 is preferably installed side on the assembling gantry 2, thereby further simplifying the layout of the equipment.
In addition, based on the situation that both the back plate and the seat plate may need to be provided with small parts, the assembling robots 7 are arranged into two sets, and the two sets of assembling robots 7 are respectively arranged at two opposite sides of the welding fixture 4.
As mentioned above, since both sides of the recliner assembly require welding, the welding jig 4 is a reversible welding jig 4(180 ° reversible). In addition, each welding operation is preferably carried out on the positioner 5, welding can be carried out on two stations in a switching mode, when one station carries out welding operation, the other station carries out workpiece clamping or small part assembly and the like, and the working efficiency is effectively improved, so that the angle adjuster assembly welding system further comprises the positioner 5 capable of realizing alternate welding of the two stations, and the welding fixture 4 is arranged on the positioner 5; the positioner 5 is conventional equipment in the field, and the specific structure of the positioner is not described in detail herein; which is preferably a three-axis positioner 5. The welding jig 4 can be turned over by the positioner 5.
Further, it is preferable that a small tray for placing small parts is provided on the positioner 5; preferably, a mistake-proofing sensor is arranged on the small tray and used for detecting whether a currently placed part is correct or not and is placed in place, the mistake-proofing sensor is the existing equipment, and the specific structure is not described in detail here.
EXAMPLE III
The present embodiment provides a flexible welding fixture 4, which is suitable for use in the first and second embodiments.
As shown in fig. 3, the welding jig 4 includes a clamping plate for placing each recliner member, a core member clamping mechanism for clamping the core member, and a plurality of sets of link plate clamping mechanisms for clamping the back plate and the seat plate, the link plate clamping mechanisms include a positioning pin 41 and a three-dimensional driving unit for adjusting the spatial position of the positioning pin 41 so that the positioning pin 41 is inserted into the corresponding link plate mounting hole, and the total number of the positioning pins 41 is not less than the number of link plate mounting holes of the recliner assembly having the largest number of link plate mounting holes.
It will be readily appreciated that the recliner member described above includes a back plate, a seat plate and a core member.
Generally, the connecting plate mounting holes include mounting holes on the back plate and the seat plate (for connecting with other components of the car seat), and generally there are two mounting holes on the back plate and the seat plate, that is, the connecting plate mounting holes of each recliner assembly are generally 4, and then the total number of the positioning pins 41 is 4, that is, the number of the connecting plate clamping mechanisms is 4.
The diameter of the positioning pin 41 is preferably the same as that of the connecting plate mounting hole, so that the positioning and clamping effects are ensured. In one embodiment, the positioning pin 41 has a stepped shaft structure, and includes a large-diameter section and a small-diameter section connected to the bottom end of the large-diameter section, the diameter of the small-diameter section is the same as that of the coupling plate mounting hole, and after the small-diameter section is inserted into the coupling plate mounting hole, the bottom surface of the large-diameter section can be pressed on the corresponding component, so that the positioning and clamping effects are better. In another embodiment, as shown in fig. 3, the connecting plate clamping mechanism further comprises a connecting plate pressing block 12, the connecting plate pressing block 12 follows the corresponding positioning pin 41, the connecting plate pressing block 12 is preferably mounted on the corresponding three-dimensional driving unit and ascends and descends synchronously with the positioning pin 41, or the connecting plate pressing block 12 is fixed on the corresponding positioning pin 41 and can be pressed on the corresponding connecting plate (back plate or seat plate).
The three-dimensional driving unit can adopt a three-dimensional driving portal frame, a three-dimensional driving robot and the like, in the embodiment, a three-dimensional positioning sliding table structure is adopted, the three-dimensional positioning sliding table structure comprises three servo sliding tables, each servo sliding table is driven by a servo motor, specifically, the three servo sliding tables respectively control the positions of X, Y, Z in three directions, for example, the Y direction is slidably arranged on the X direction servo sliding table, the Z direction is slidably arranged on the Y direction servo sliding table, and the positioning pin 41 is arranged on the Z direction servo sliding table. The servo motor is preferably connected with the corresponding servo sliding table through a screw rod mechanism, and accurate positioning driving is achieved.
It is further preferred that each of the three-dimensional drive units is arranged around the core clamping mechanism to facilitate position adjustment of each of the positioning pins 41 to avoid interference with each other.
Further preferably, the core clamping mechanism comprises two sets of core pressing units 43 for respectively pressing the upper surface and the lower surface of the core, the two sets of core pressing units 43 are respectively arranged on two sides of the clamping plate, and the upper surface and the lower surface of the core are respectively pressed by the two sets of core pressing units 43, so that the clamping effect on the core is ensured. Correspondingly, the clamping plate is provided with a core piece mounting hole, so that the upper surface and the lower surface of the core piece can be clamped conveniently. In a preferred embodiment, the core pressing unit 43 comprises a clamping jaw and a clamping jaw driving assembly for driving the clamping jaw to act, and the clamping jaw has a good clamping effect on the core. In the embodiment, the clamping jaw driving assembly comprises a clamping jaw positioning sliding table, the guiding direction of the clamping jaw positioning sliding table is perpendicular to the surface of the clamping plate, the clamping jaw positioning sliding table is driven by a servo motor, and the clamping jaw positioning sliding table can ensure accurate positioning driving of a clamping jaw; likewise, the servomotor is preferably connected to the jaw positioning slide via a spindle mechanism.
The flexible welding jig 4 that this embodiment provided, through adopting core clamping mechanism to press from both sides tight core, adopt multiunit locating pin 41 to press from both sides tight backplate and bedplate, and locating pin 41 spatial position is adjustable, thereby can be suitable for the tight location operation of the clamp of the angle modulation ware assembly of different models, satisfy the market demand of present angle modulation ware assembly product diversification and batchization, realize the flexible processing production of angle modulation ware assembly, avoid operating personnel to change the frock repeatedly, increase welding precision, improve production efficiency, reduce equipment cost and manufacturing cost.
The flexible welding jig 4 is used in the following manner:
the method for calibrating the machining parameters of the angle adjuster assemblies comprises the following steps: according to the angle adjuster assembly to be processed, determining the input quantity of the connecting plate clamping mechanisms and determining the action coordinate values of the core part clamping mechanisms and the positioning pins 41, and storing the model number and the processing parameter calibration value of the angle adjuster assembly into a database of an upper computer;
according to the type of the angle adjuster to be machined, selecting a corresponding machining type in an upper computer, and moving the core part clamping mechanism and the positioning pin 41 to corresponding positions;
placing a back plate, a seat plate and a core on a clamping plate, wherein the core is clamped by a core clamping mechanism, and the back plate and the seat plate are clamped by the positioning pins 41;
and welding the back plate, the seat plate and the core piece together.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an angle modulation ware assembly welding system, includes the welding jig that can overturn, its characterized in that: the welding jig further comprises a laser welding robot for performing welding operation among the back plate, the seat plate and the core part, an assembling robot for assembling the small parts in place and an arc welding robot for performing welding operation on the small parts, wherein the robots are arranged beside the welding jig.
2. The recliner assembly welding system of claim 1 wherein: the welding fixture is arranged on the positioner.
3. The recliner assembly welding system of claim 2 wherein: and the positioner is provided with a small tray for placing small parts.
4. The recliner assembly welding system of claim 1 wherein: the welding fixture comprises clamping plates for placing angle adjuster components, a core part clamping mechanism for clamping a core part and a plurality of groups of connecting plate clamping mechanisms for clamping a back plate and a seat plate, wherein each connecting plate clamping mechanism comprises a positioning pin and a three-dimensional driving unit for adjusting the spatial position of the positioning pin so as to enable the positioning pin to be inserted into corresponding connecting plate mounting holes, and the total number of the positioning pins is not less than the number of the connecting plate mounting holes of the angle adjuster assembly with the largest connecting plate mounting holes.
5. The recliner assembly welding system of claim 4 wherein: each of the three-dimensional drive units is disposed around the core clamping mechanism.
6. The recliner assembly welding system of claim 4 wherein: the three-dimensional driving unit comprises three-dimensional positioning sliding tables consisting of three servo sliding tables, and each servo sliding table is driven by one servo motor.
7. The recliner assembly welding system of claim 4 wherein: the core part clamping mechanism comprises two groups of core part pressing units which are used for respectively pressing the upper surface and the lower surface of a core part, and the two groups of core part pressing units are respectively arranged on two sides of the clamping plate.
8. The recliner assembly welding system of claim 7 wherein: the core pressing unit comprises a clamping jaw and a clamping jaw driving assembly used for driving the clamping jaw to act.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920325115.6U CN209830603U (en) | 2019-03-14 | 2019-03-14 | Angle modulation ware assembly welding system |
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| CN201920325115.6U CN209830603U (en) | 2019-03-14 | 2019-03-14 | Angle modulation ware assembly welding system |
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| CN209830603U true CN209830603U (en) | 2019-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877459A (en) * | 2019-03-14 | 2019-06-14 | 华工法利莱切焊系统工程有限公司 | Angle adjustor assembly welding procedure and system |
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2019
- 2019-03-14 CN CN201920325115.6U patent/CN209830603U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877459A (en) * | 2019-03-14 | 2019-06-14 | 华工法利莱切焊系统工程有限公司 | Angle adjustor assembly welding procedure and system |
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