CN107081562B - Frame positioning and conveying device - Google Patents
Frame positioning and conveying device Download PDFInfo
- Publication number
- CN107081562B CN107081562B CN201710359729.1A CN201710359729A CN107081562B CN 107081562 B CN107081562 B CN 107081562B CN 201710359729 A CN201710359729 A CN 201710359729A CN 107081562 B CN107081562 B CN 107081562B
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- positioning
- conveying
- vehicle type
- type switching
- skid
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- 230000007306 turnover Effects 0.000 claims abstract description 8
- 210000000078 claw Anatomy 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 19
- 230000007246 mechanism Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention provides a frame positioning and conveying device, and belongs to the field of conveying structures. The vehicle type switching device comprises a conveying skid and a first positioning unit which is fixed on the conveying skid and used for supporting and positioning a vehicle frame, wherein the first positioning unit comprises a turnover driving module and a vehicle type switching module, the vehicle type switching module comprises more than 2 supporting points which are arranged in different directions, and the turnover driving module can drive the vehicle type switching module to turn and switch. The beneficial effects of the invention are as follows: the positioning requirements of various car body products are met on the same car frame positioning and conveying device, and the car frame positioning and conveying device is suitable for flexible production of various car types or new product introduction by utilizing the existing production line; the quick inserting mechanism and the dovetail groove clamp positioning mechanism for gas introduction are integrated, so that the device is ensured to be positioned stably before and after switching, and has good consistency; automatic switching is realized through robot snatchs, and switching efficiency is high and the anchor clamps occupation space that switch down is little.
Description
Technical Field
The invention relates to the field of conveying structures, in particular to a frame positioning and conveying device.
Background
The automobile is one of important transportation means in our daily life, is an important sign of scientific and technical development, the development of the automobile industry affects all parts of national economy, automobile manufacture is basically one of industrial struts of national economy, and automobile body welding is one of four important processes for automobile manufacture, so that the automobile has a significant position for a manufacturing system.
The vehicle body welding production line generally includes conveying equipment, positioning devices, welding equipment, auxiliary equipment, and the like. Along with the aggravation of the market competition of automobile products, quick iteration and quick marketing become obvious competitive advantages of the current host factories, the diversity and differentiation of products are also obviously reflected on the difference of white automobile bodies, the conveying equipment, the positioning device and the like in the welding production line of corresponding automobile bodies need to consider how flexible, quick switching and high stability to meet the high-speed development of the automobile body production line, and the existing automobile frame positioning and conveying modes mainly comprise the following 3 types:
(1) Fixed simple conveying bracket and fixed frame positioning
The technical scheme can only meet the production of a single vehicle type, can not meet the collinear production of other vehicle types, and needs to manually detach and replace the whole fixed frame positioning clamp if other vehicle types are led in or products are changed, so that the labor intensity of replacement is high, the period is long, and the input cost is high.
(2) Fixed simple conveying bracket and switchable multi-degree-of-freedom frame positioning device
The scheme solves the problem of collinear production of multiple vehicle types, but because of the large number of main line stations in each vehicle body production process, each station needs multiple sets of multi-degree-of-freedom frame positioning devices, so that multiple sets of multi-degree-of-freedom frame positioning equipment are needed, and the project investment cost is high.
(3) The frame positioning device and the conveying are combined on the skid, and the whole switching is needed when a new product is introduced
According to the scheme, the vehicle type switching is realized through the switching skid, so that the collinear vehicle body positioning requirement of multiple vehicle types is met, but the switched skid needs a large space for storage, the switching period is long, and the cost investment is higher.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a vehicle frame positioning and conveying device.
The vehicle type switching device comprises a conveying skid and a first positioning unit which is fixed on the conveying skid and used for supporting and positioning a vehicle frame, wherein the first positioning unit comprises a turnover driving module and a vehicle type switching module, the vehicle type switching module comprises more than 2 supporting points which are arranged in different directions, and the turnover driving module can drive the vehicle type switching module to turn and switch.
The invention is further improved, the conveying skid comprises two longitudinal beams and a plurality of cross beams arranged between the two longitudinal beams, the number of the first positioning units is four, and the two positioning units are respectively arranged at the two ends of the front cross beam and the rear cross beam of the conveying skid.
The invention further improves, and further comprises a connecting plate fixedly connected with the cross beam, wherein the first positioning unit is fixed on the cross beam through the connecting plate.
According to the invention, the two ends of the cross beam are provided with the female fixing blocks, the corresponding positions of the connecting plates are provided with the sub-positioning blocks, and the cross beam and the connecting plates are clamped and fixed through the sub-female positioning blocks.
According to the invention, the conveying skid is further improved, the conveying skid is provided with the first air cylinder comprising the holding claw, and when the child positioning block and the mother positioning block are clamped, the holding claw can lock the child positioning block and the mother positioning block.
The invention further improves the structure, and further comprises a second positioning unit for assisting in positioning the middle part of the frame, wherein the second positioning unit is fixed on the middle cross beam through a connecting plate.
The invention is further improved, the number of the second positioning units is four, and the second positioning units are divided into two groups and are arranged at two ends of the two cross beams in the middle.
The invention is further improved, and the second positioning unit is provided with an adjusting piece for manually adjusting the positioning height.
According to the invention, the overturning driving module is a second cylinder, and the vehicle type switching module comprises two supporting points arranged in different directions.
The invention is further improved, and the beam is provided with a quick-insertion ventilation device.
Compared with the prior art, the invention has the beneficial effects that: the positioning requirements of various car body products are met on the same car frame positioning and conveying device, and the car frame positioning and conveying device is suitable for flexible production of various car types or new product introduction by utilizing the existing production line; the quick inserting mechanism and the dovetail groove clamp positioning mechanism for gas introduction are integrated, so that the device is ensured to be positioned stably before and after switching, and has good consistency; automatic switching is realized through robot snatchs, and switching efficiency is high and the anchor clamps occupation space that switch down is little.
Drawings
FIG. 1 is a schematic diagram of an exploded construction of the present invention;
fig. 2 and 3 are schematic diagrams of the first positioning unit structure;
FIG. 4 is a schematic view of a dovetail groove primary-secondary positioning block structure;
fig. 5 is a schematic structural view of the quick-insertion ventilation device.
Detailed Description
The invention will be described in further detail with reference to the drawings and examples.
As shown in fig. 1-3, the vehicle type switching device comprises a conveying skid 1 and a first positioning unit 2 fixed on the conveying skid 1 and used for supporting and positioning a vehicle frame, wherein the first positioning unit 2 comprises a turnover driving module 21 and a vehicle type switching module, the vehicle type switching module comprises more than 2 supporting points arranged in different directions, and the turnover driving module 21 can drive the vehicle type switching module to turn and switch. The positioning heights of different supporting points are different, so that the vehicle is suitable for different vehicle types.
As an embodiment of the present invention, the conveying skid 1 of the present embodiment includes two stringers 11, four beams 12 disposed between the two stringers 11, and a connecting plate 4 fixedly connected to the beams 12, where the first positioning units 2 are fixed at two ends of the beams 12 through the connecting plate 4, and the number of the first positioning units 2 is four and two groups of the first positioning units are respectively disposed at two ends of the first beam and the fourth beam of the conveying skid 1.
The first positioning unit 2 of this example includes a second cylinder 21, and the vehicle type switching module includes a first supporting point 22 and a second supporting point 23 that are set in two different directions, where the first positioning unit 2 on the first beam and the first positioning unit 2 on the fourth beam are symmetrically set. The first and second brackets 22, 23 are preferably vertically disposed as shown in fig. 3.
In addition, this example still includes four second positioning unit 3 at auxiliary positioning frame middle part, second positioning unit 3 passes through connecting plate 4 to be fixed at the both ends of second crossbeam and third crossbeam. The second positioning unit 3 is provided with an adjusting piece for manually adjusting the positioning height, so that the height positioning device can adapt to the height positioning of different vehicle types.
As shown in fig. 4, two ends above the beam 12 in this example are provided with a female fixing block 13, a sub-positioning block 41 is disposed at a corresponding position below the connecting plate 4, and the beam 12 and the connecting plate 4 are fastened and fixed by the sub-female positioning block. The female fixed block 13 of this example is in a dovetail groove shape, and is provided with a first inclined plane 131, and the sub-positioning block 41 is provided with a second inclined plane 411, and the second inclined plane 411 can be inserted below the first inclined plane 131 to realize clamping.
In addition, the conveying skid 1 is provided with a first cylinder comprising a holding claw, and when the sub positioning block 41 and the main positioning block 13 are clamped, the holding claw can lock the sub positioning block 41 and the main positioning block 13. Thereby realizing the locking and fixing of the first positioning unit 2 and the second positioning unit 3 on the conveying skid 1.
As shown in fig. 5, the beam of this example is provided with a quick-insertion ventilation device 5, and the air source is connected to the first air cylinder and the second air cylinder 21 of the present invention through an air inlet 51 and an air outlet 52.
The working principle of the invention is as follows:
the motorcycle type location of 2 platforms is realized to this example, only need to ventilate the second cylinder 21 of frame location conveyor when need switch to motorcycle type 2 by motorcycle type 1 and can realize the location benchmark and switch, and when the import of automobile body production line or production 3 rd kind or 4 th kind motorcycle types, only need pass through robot automatic switch with 4 sets of positioning unit, can realize the flexible production of another 2 kinds of motorcycle types.
The device is used on the welding main lines of the vehicle body such as CN200/CN200S/CN180NB, and the frame positioning and conveying device realizes quick switching by using an automatic robot, so that the switching time is shortened to be within 30min to finish the switching of the positioning clamp of the welding main line of the vehicle body, the switching efficiency is effectively improved, meanwhile, the automatic switching completely replaces manual switching, and the high-strength manual switching operation is effectively avoided.
The high-precision matching of the primary end and the secondary end of the dovetail groove primary and secondary positioning blocks and the auxiliary quick-insertion ventilation device 5 ensure the consistency and stability of the switching precision of the quick-switching frame positioning and conveying device, and further ensure the positioning precision and the welding quality of the vehicle body.
The invention can realize the positioning requirements of various vehicle body products on the same vehicle frame positioning and conveying device, and is suitable for flexible production of various vehicle types or new product introduction by utilizing the existing production line; the quick inserting mechanism and the dovetail groove clamp positioning mechanism for gas introduction are integrated, so that the device is ensured to be positioned stably before and after switching, and has good consistency; automatic switching is realized through robot snatchs, and switching efficiency is high and the anchor clamps occupation space that switch down is little.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, which includes but is not limited to the embodiments, and equivalent modifications according to the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a frame location conveyor which characterized in that: comprises a conveying skid and a first positioning unit which is fixed on the conveying skid and used for supporting and positioning a frame, wherein the first positioning unit comprises a turnover driving module and a vehicle type switching module, the vehicle type switching module comprises more than 2 supporting points which are arranged in different directions, the turnover driving module can drive the vehicle type switching module to turn and switch,
the conveying skid comprises two longitudinal beams, a plurality of cross beams arranged between the two longitudinal beams, and a connecting plate fixedly connected with the cross beams, wherein the first positioning unit is fixed on the cross beams through the connecting plate,
the two ends of the beam are provided with a female fixing block, the corresponding position of the connecting plate is provided with a sub-positioning block, the beam and the connecting plate are clamped and fixed by the sub-female positioning block,
the female fixed block is in a dovetail groove shape and is provided with a first inclined plane, the sub positioning blocks are provided with second inclined planes, and the second inclined planes can be inserted below the first inclined planes to realize clamping.
2. The carriage positioning and transporting device according to claim 1, wherein: the number of the first positioning units is four, and the first positioning units are divided into two groups and are respectively arranged at two ends of the front cross beam and the rear cross beam of the conveying skid.
3. The carriage positioning and transporting device according to claim 1, wherein: the conveying skid is provided with a first cylinder comprising a holding claw, and when the child positioning block and the mother positioning block are clamped, the holding claw can lock the child positioning block and the mother positioning block.
4. A carriage locating and conveying device as claimed in claim 3, wherein: the auxiliary positioning device is characterized by further comprising a second positioning unit for auxiliary positioning of the middle part of the frame, and the second positioning unit is fixed on the middle cross beam through a connecting plate.
5. The carriage locating and conveying device according to claim 4, wherein: the number of the second positioning units is four, and the second positioning units are divided into two groups and are arranged at two ends of the two middle cross beams.
6. The carriage locating and conveying device according to claim 5, wherein: and an adjusting piece for manually adjusting the positioning height is arranged on the second positioning unit.
7. The carriage locating and transporting device according to any one of claims 1 to 6, wherein: the overturning driving module is a second cylinder, and the vehicle type switching module comprises two supporting points arranged in different directions.
8. The carriage locating and conveying device according to claim 7, wherein: and the beam is provided with a quick-insertion ventilation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359729.1A CN107081562B (en) | 2017-05-20 | 2017-05-20 | Frame positioning and conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359729.1A CN107081562B (en) | 2017-05-20 | 2017-05-20 | Frame positioning and conveying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107081562A CN107081562A (en) | 2017-08-22 |
| CN107081562B true CN107081562B (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710359729.1A Active CN107081562B (en) | 2017-05-20 | 2017-05-20 | Frame positioning and conveying device |
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| Country | Link |
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| CN (1) | CN107081562B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108161303B (en) * | 2017-12-26 | 2020-02-07 | 安徽瑞祥工业有限公司 | White automobile body always pieces together switching mechanism |
| CN108726083A (en) * | 2018-07-10 | 2018-11-02 | 天奇自动化工程股份有限公司 | Sled switching device |
| CN109048165A (en) * | 2018-08-29 | 2018-12-21 | 广州德恒汽车装备科技有限公司 | A kind of flexible trolley for automobile body-in-white welding transportation system |
| CN112958965B (en) * | 2021-03-19 | 2023-03-21 | 东风汽车股份有限公司 | Flexible switching device of multi-vehicle type shared clamp and control method |
| CN113335862A (en) * | 2021-05-25 | 2021-09-03 | 东风柳州汽车有限公司 | Skid |
| CN113581822B (en) * | 2021-06-21 | 2023-04-07 | 东风柳州汽车有限公司 | Flexible switching conveying device for body-in-white |
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| JP2002274451A (en) * | 2001-03-21 | 2002-09-25 | Nissan Motor Co Ltd | Vehicle body assembly device |
| CN103420112A (en) * | 2013-08-23 | 2013-12-04 | 芜湖奕辰模具科技有限公司 | Skid for fixing car |
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| CN205060740U (en) * | 2015-08-31 | 2016-03-02 | 比亚迪汽车工业有限公司 | General skid |
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| CN106078051A (en) * | 2016-08-01 | 2016-11-09 | 上海鑫燕隆汽车装备制造有限公司 | Monitor station under the supporting and positioning mechanism of automobile chassis and line |
| CN206169532U (en) * | 2016-09-27 | 2017-05-17 | 深圳泛宇自动化有限公司 | A flexible platform truck that is used for white automobile body owner bonding wire and under body bonding wire |
| CN207087240U (en) * | 2017-05-20 | 2018-03-13 | 上汽通用五菱汽车股份有限公司 | A kind of vehicle frame positioning transporting device |
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2017
- 2017-05-20 CN CN201710359729.1A patent/CN107081562B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002274451A (en) * | 2001-03-21 | 2002-09-25 | Nissan Motor Co Ltd | Vehicle body assembly device |
| CN103420112A (en) * | 2013-08-23 | 2013-12-04 | 芜湖奕辰模具科技有限公司 | Skid for fixing car |
| CN104670831A (en) * | 2015-01-27 | 2015-06-03 | 奇瑞汽车股份有限公司 | Vehicle model switching device and switching control method |
| CN205060740U (en) * | 2015-08-31 | 2016-03-02 | 比亚迪汽车工业有限公司 | General skid |
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| Publication number | Publication date |
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| CN107081562A (en) | 2017-08-22 |
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