CN211589000U - Flexible cabin automatic welding line - Google Patents
Flexible cabin automatic welding line Download PDFInfo
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- CN211589000U CN211589000U CN201922398374.4U CN201922398374U CN211589000U CN 211589000 U CN211589000 U CN 211589000U CN 201922398374 U CN201922398374 U CN 201922398374U CN 211589000 U CN211589000 U CN 211589000U
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Abstract
The utility model discloses a flexible cabin automatic welding line, which comprises a PLC control system, a conveying line, a transfer robot and a welding robot, wherein the conveying line, the transfer robot and the welding robot are controlled by the PLC control system; the welding bench is provided with a conveying mechanism controlled by a PLC control system, one end of the conveying mechanism is located in the working range of the welding robot, the other end of the conveying mechanism is provided with a welding fixture storage table, and a set of welding fixtures arranged on the welding fixture storage table can be switched between a preparation station and a working station right facing the welding bench through the PLC control system. The utility model discloses can reduce the area of device greatly, deposit the reasonable supporting of platform and weldment work platform through welding jig, avoid the repeated input of equipment, reduce the earlier stage cost of cabin welding line by a wide margin, make the production efficiency of cabin welding line obtain obvious promotion.
Description
Technical Field
The utility model belongs to the technical field of the car assembly technique and specifically relates to a flexible cabin automatic weld line is related to.
Background
In order to meet the demand of market diversification, automobile manufacturers are continuously developing new products, and a multi-vehicle type and small-batch production mode is adopted. In this situation, if a conventional production line corresponds to a model of a vehicle type, the production cost tends to increase greatly, and thus it is necessary to develop a flexible production line capable of producing a plurality of vehicle types. The engine room formed by welding the front longitudinal beam, the engine hood supporting edge and the front wall assembly is one of important component modules of an automobile body. During production, different types of cabins need to correspond to different types of welding fixtures. If simply arrange multiple welding jig on a production line according to traditional mode, not only there is the problem that the line body is long, area is big, and equipment idle rate along the line is higher moreover, the overall production efficiency of the line body is lower, and cabin manufacturing cost can not show the decline.
Disclosure of Invention
In order to solve the problem, the utility model provides a little, the high flexible cabin automatic weld line of production efficiency of area, it takes following technical scheme:
flexible cabin automatic weld line, including PLC control system and by PLC control system control:
the conveying line is used for carrying cabin parts and cabin finished products;
the transfer robot is used for clamping the cabin parts and/or cabin finished products to transfer positions of the cabin parts and/or cabin finished products;
the welding robot is used for welding the cabin parts fixed on the set of welding fixtures to form the cabin finished product, and the set of welding fixtures are fixed on the horizontal base;
also comprises
The workpiece pre-positioning device is used for storing cabin parts transferred from the conveying line, and is provided with a model identification and transmission mechanism which is used for acquiring model data information of the cabin parts and transmitting the model data information to the PLC control system;
a welding workbench provided with a conveying mechanism controlled by a PLC control system, one end of the conveying mechanism is positioned in the working range of the welding robot, and the other end is provided with a
The welding fixture storage table is arranged on a moving mechanism controlled by a PLC control system, and the moving mechanism enables the set of welding fixtures arranged on the welding fixture storage table to be switched between a preparation station and a working station just facing the welding workbench.
The workpiece pre-positioning device is provided with a positioning column for fixing engine room parts, and the model identification transmission mechanism is a photoelectric detection switch arranged on the positioning column.
The welding fixture storage table is of a straight prism structure, and each side face of the straight prism is provided with one set of welding fixture.
The moving mechanism is a rotating base connected with the right prism.
The welding workbench is of a linear structure, the conveying mechanism is a conveying chain driven by a servo motor, welding fixture fixing parts are arranged on the conveying chain and used for connecting the horizontal base to enable the welding fixture set to move between the storage platforms of the welding robot and the welding fixture set in the working range of the welding robot.
The workpiece pre-positioning devices are arranged on two sides of the welding workbench.
The utility model provides a flexible cabin automatic weld line, simple structure, it is rationally distributed, can reduce the area of device greatly, simultaneously, deposit the reasonable supporting of platform and weldment work platform etc. through welding jig, avoided the repeated input of equipment, changed the higher phenomenon of equipment idle rate, reduced the earlier stage cost of cabin weld line by a wide margin, and made the production efficiency of cabin weld line obtain obvious promotion.
Drawings
Fig. 1 is a schematic structural view of the welding line of the present invention (omitting the conveying line).
Fig. 2 is a schematic structural view of the welding table of fig. 1.
Fig. 3 is a schematic view of the structure of the welding jig fixing member of fig. 2.
Fig. 4 is a schematic structural view of a welding jig storage table in fig. 1.
Fig. 5 is a schematic structural view of the support bracket on the left side in fig. 4.
Fig. 6 is a block diagram of the circuit control principle of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments.
The utility model discloses a flexible cabin automatic welding line, including PLC control system and by its control system control's transfer chain, transfer robot 1 and welding robot 2, wherein, the transfer chain is used for carrying cabin spare part and cabin finished product; the transfer robot 1 is used for clamping the cabin parts and/or cabin finished products to transfer the positions of the cabin parts and/or cabin finished products; welding robot 2 is used for welding the cabin spare part of fixing on complete set welding jig 3 into the cabin finished product, and above-mentioned complete set welding jig 3 is fixed on horizontal base Q, makes things convenient for overall movement, location. In order to arrange the welding line in a limited space and meet the welding of various engine cabins, the welding line also protects a specially designed workpiece pre-positioning device 4, a welding workbench 5 and a welding fixture storage table 6. Wherein, prepositioning device 4 is installed in welding bench 5 both sides, and welding robot 2 and welding jig deposit 6 branch puts at welding bench 5 both ends.
The workpiece pre-positioning device 4 is used for storing cabin parts transferred from a conveying line, and is provided with a model identification and transmission mechanism which is used for acquiring model data information of the cabin parts and transmitting the model data information to the PLC control system. Specifically, as shown in fig. 1, the workpiece pre-positioning device 4 comprises supports 4.1 for accommodating various cabin components, each support 4.1 is provided with a positioning column 4.2 for fixing the cabin components, and a photoelectric detection switch 4.3 is arranged near the positioning column 4.2 as a model identification transmission mechanism.
The welding workbench 5 is provided with a conveying mechanism controlled by a PLC control system, one end of the conveying mechanism is positioned in the working range of the welding robot 2, and the other end of the conveying mechanism is connected with a welding clamp storage table 6. Specifically, as shown in fig. 2 and 3, the surface of the welding workbench 5 is a linear structure, a conveying chain 5.2 driven by a servo motor 5.1 is installed below the welding workbench, a welding fixture fixing member 5.3 is installed on the conveying chain 5.2, and the welding fixture fixing member 5.3 comprises a fixing base plate 5.3.1 on which a vertical pneumatic telescopic pin 5.3.3 controlled by an air source connecting switch 5.3.2 is arranged. When the horizontal base Q of the welding jig set 3 is fixed on the vertical pneumatic telescopic pin 5.3.3 of the welding jig fixing member 5.3, it can move between the working range of the welding robot 2 and the welding jig storage table 6 under the action of the conveying chain 5.2.
The welding jig storage table 6 is provided on a moving mechanism controlled by a PLC control system, and the welding jig set stored thereon can be switched between a preparation station and a working station facing the welding table 5. In general, the vertical surface of the welding jig storage table 6 facing the welding table 5 is referred to as a "work station", and the vertical surfaces in other directions are referred to as "preparation stations".
Specifically, as shown in fig. 4, the moving mechanism is a rotating base 6.1, the welding jig storage table 6 is a regular quadrangular prism 6.2, and a set of welding jigs 3 is mounted on each side surface of the regular quadrangular prism 6.2. The rotating base 6.1 is driven by a rotating motor, and the control input end of the rotating motor is connected with the control output end of a PLC control system, so that each vertical face of the regular quadrangular prism 6.2 is switched between a working station and a preparation station.
As shown in fig. 5, taking the left side of the regular quadrangular prism 6.2 as an example, a supporting frame 6.2.1 for supporting the welding jig set 3 is installed thereon, the left side of the supporting frame 6.2.1 is installed with a turnover pneumatic pressing block 6.2.2 for fixing the welding jig set 3, the right side is installed with a mechanical limit stop 6.2.3, and the front and rear sides are installed with positioning guide wheels 6.2.4 for facilitating the welding jig set 3 to get in and out of the frame body.
In general, the conveyor chain 5.2 extends as far as below the "work station" of the regular quadrangular prism 6.2 in order to transfer the set of welding jigs 3 between the welding-jig mounts 5.3 and the regular quadrangular prism 6.2. When the set of welding fixture 3 is to be transferred to the welding workbench 5, firstly, the welding fixture fixing part 5.3 is transferred to the lower part of the set of welding fixture 3, the vertical pneumatic telescopic pin 5.3.3 is inserted into the corresponding pin hole of the horizontal base Q of the set of welding fixture 3, then, the pneumatic pressing block 6.2.2 is turned over to release the clamping of the set of welding fixture 3, the conveying chain 5.2 is started, the welding fixture fixing part 5.3 brings the set of welding fixture 3 to the welding workbench 5, and the action process that the welding fixture 3 is transferred to the welding workbench 5 from the 'working station' of the regular quadrangular 6.2 is completed. After the welding is completed, the welding jig fixing part 5.3 transfers the welding jig 3 from the welding workbench 5 to the 'working station' of the regular quadrangular prism 6.2.
By adopting the flexible cabin automatic welding line, the following welding method can be adopted, and the specific steps are as follows:
firstly, transporting cabin parts mounted on a conveying line to the vicinity of a workpiece prepositioning device 4;
secondly, grabbing the parts of the cabin to be welded on the conveying line through the transfer robot 1, placing the parts on a positioning column 4.2 of the workpiece pre-positioning device 4, and acquiring model data information of the parts of the cabin through a photoelectric detection switch 4.3 and transmitting the model data information to a PLC control system;
thirdly, the PLC control system matches a corresponding set of welding fixtures 3 according to the model data information, and the set of welding fixtures 3 are transferred to a working station facing the welding workbench 5 by controlling the rotation of a moving mechanism of the welding fixture storage table 6;
as shown in fig. 6, the PLC control system operates as follows: when the photoelectric detection switch 4.3 detects the model information of the parts of the cabin to be welded, the model information is transmitted to the PLC control system, the PLC control system judges whether the whole set of welding fixture 3 positioned at the work station is matched with the parts of the cabin to be welded, if so, a signal is sent out to enable the conveying chain 5.2 to drive the welding fixture fixing part 5.3 to move, and the whole set of welding fixture 3 is transferred to the welding fixture fixing part 5.3 from the regular quadrangular prism 6.2; if not, the PLC control system sends a signal to enable the rotating base 6.1 to drive the regular quadrangular prism 6.2 to rotate until the set of welding fixture 3 matched with the parts of the cabin to be welded is transferred from the 'preparation station' to the 'working station', and then the set of welding fixture 3 is transferred from the regular quadrangular prism 6.2 to the welding fixture fixing part 5.3.
Fourthly, after the required welding fixture set 3 is installed on a welding fixture fixing part 5.3 of the welding workbench 5, the cabin parts to be welded on the workpiece pre-positioning device are installed on the welding fixture set 3 through the transfer robot 1, then the conveying chain 5.2 starts to work, the welding fixture set 3 and the cabin parts on the welding fixture set are transferred to one end close to the welding robot 2 along the welding workbench 5, and the cabin parts are welded into a cabin finished product through the welding robot 2.
Fifthly, transferring the cabin finished product to a conveying line through the transfer robot 1 and conveying the cabin finished product to the next station; meanwhile, the whole set of welding fixture 3 is transported back to the welding fixture storage table 5 to be placed again through the conveying chain 5.2 on the welding workbench 5, and one-time welding is completed.
Above-mentioned welding jig can place many sets of welding jig 3, and its is small, rotate in a flexible way, uses the back with 5 cooperations of weldment work platform that have conveying mechanism, can effectively reduce the repeated input of all the other equipment, has not only reduced the earlier stage cost of cabin welding line, has reduced equipment area, has changed the higher phenomenon of equipment idle rate moreover, has improved the production efficiency of cabin welding line by a wide margin.
Claims (6)
1. A flexible cabin automatic welding line comprises a PLC control system and a welding line body, wherein the welding line body is controlled by the PLC control system:
the conveying line is used for carrying cabin parts and cabin finished products;
the transfer robot is used for clamping the cabin parts and/or cabin finished products to transfer positions of the cabin parts and/or cabin finished products;
the welding robot is used for welding the cabin parts fixed on the set of welding fixtures to form the cabin finished product, and the set of welding fixtures are fixed on the horizontal base;
the method is characterized in that: also comprises
The workpiece pre-positioning device is used for storing cabin parts transferred from the conveying line, and is provided with a model identification and transmission mechanism which is used for acquiring model data information of the cabin parts and transmitting the model data information to the PLC control system;
a welding workbench provided with a conveying mechanism controlled by a PLC control system, one end of the conveying mechanism is positioned in the working range of the welding robot, and the other end is provided with a
The welding fixture storage table is arranged on a moving mechanism controlled by a PLC control system, and the moving mechanism enables the set of welding fixtures arranged on the welding fixture storage table to be switched between a preparation station and a working station just facing the welding workbench.
2. The flexible nacelle automatic welding line according to claim 1, wherein: the workpiece pre-positioning device is provided with a positioning column for fixing engine room parts, and the model identification transmission mechanism is a photoelectric detection switch arranged on the positioning column.
3. The flexible nacelle automatic welding line according to claim 1, wherein: the welding fixture storage table is of a straight prism structure, and each side face of the straight prism is provided with one set of welding fixture.
4. The flexible nacelle automatic welding line according to claim 3, wherein: the moving mechanism is a rotating base connected with the right prism.
5. The flexible nacelle automatic welding line according to claim 1, wherein: the welding workbench is of a linear structure, the conveying mechanism is a conveying chain driven by a servo motor, welding fixture fixing parts are arranged on the conveying chain and used for connecting the horizontal base to enable the welding fixture set to move between the storage platforms of the welding robot and the welding fixture set in the working range of the welding robot.
6. The flexible nacelle automatic welding line according to claim 1, wherein: the workpiece pre-positioning devices are arranged on two sides of the welding workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922398374.4U CN211589000U (en) | 2019-12-27 | 2019-12-27 | Flexible cabin automatic welding line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922398374.4U CN211589000U (en) | 2019-12-27 | 2019-12-27 | Flexible cabin automatic welding line |
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| CN211589000U true CN211589000U (en) | 2020-09-29 |
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| CN201922398374.4U Active CN211589000U (en) | 2019-12-27 | 2019-12-27 | Flexible cabin automatic welding line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977262A (en) * | 2019-12-27 | 2020-04-10 | 郑州日产汽车有限公司 | Flexible cabin automatic welding line and welding method thereof |
| CN113843552A (en) * | 2021-09-14 | 2021-12-28 | 中国第一汽车股份有限公司 | High-flexibility white automobile body welding main splicing system |
-
2019
- 2019-12-27 CN CN201922398374.4U patent/CN211589000U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977262A (en) * | 2019-12-27 | 2020-04-10 | 郑州日产汽车有限公司 | Flexible cabin automatic welding line and welding method thereof |
| CN110977262B (en) * | 2019-12-27 | 2024-04-09 | 郑州日产汽车有限公司 | Welding method for automatic welding line of flexible engine room |
| CN113843552A (en) * | 2021-09-14 | 2021-12-28 | 中国第一汽车股份有限公司 | High-flexibility white automobile body welding main splicing system |
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