CN112548473B - Flexible multi-angle overturning tool for small-batch white vehicle bodies - Google Patents
Flexible multi-angle overturning tool for small-batch white vehicle bodies Download PDFInfo
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- CN112548473B CN112548473B CN202011311172.2A CN202011311172A CN112548473B CN 112548473 B CN112548473 B CN 112548473B CN 202011311172 A CN202011311172 A CN 202011311172A CN 112548473 B CN112548473 B CN 112548473B
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- 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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- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention discloses a small-batch flexible multi-angle turnover tool for white vehicle bodies, which comprises a speed reducer, a turnover shaft, a flexible frame, electric control hook pins, an electric control cabinet, a fixed frame and a bearing seat, wherein the bearing seat a and the bearing seat b are symmetrically arranged on one side of the fixed frame, the speed reducer is fixed on the top of the bearing seat a, the speed reducer is connected with one end of the turnover shaft, the other end of the turnover shaft is connected with the top of the bearing seat b through a bearing, the electric control cabinet is arranged in an accommodating cavity of the bearing seat b, the electric control cabinet is connected with the speed reducer and a plurality of groups of electric control hook pins, the plurality of groups of electric control hook pins are symmetrically arranged on the flexible frame, the flexible frame is connected with the turnover shaft, and a support column is arranged on the other side of the fixed frame. As the assemblies of different vehicle types and the same vehicle type are turned over on one set of turning tool, the capital investment of a tool base, a speed reducer, a rotating shaft and a supporting frame is reduced, the capital investment of an earlier stage process and a designer is reduced, and meanwhile, the occupied area is saved.
Description
Technical Field
The invention relates to the field of automobile body-in-white manufacturing tool equipment, in particular to a small-batch flexible multi-angle overturning tool for body-in-white.
Background
The small-batch production of the body-in-white is an indispensable link in the development process of the body-in-white, and the main purpose of the small-batch production is to reveal the defects of products in design and process and carry out closed-loop control on problems generated in the trial production stage, thereby effectively improving the product quality and laying a foundation for batch production.
At present, with the rise of the automobile industry in China, various automobile companies in China continuously research and develop various novel products with characteristics in order to meet different consumer groups, meanwhile, intense competition among industries is inevitable, quality war and price war are issued by various automobile factories, and the cost of controlling each link in the development process is extremely high on the premise of ensuring the product quality.
The white car body small-batch production plays an important role in the product development process after the beginning, and the related processes are as follows: firstly, the defects of product quality, performance, process and the like generated in the trial production stage are corrected, and then the production process, production equipment and system are verified through small-batch production, so that the aims of reducing the set variables of the products in the batch production stage and reducing the cost input of unnecessary equipment and tools are fulfilled.
However, reducing the production cost of small batches of products is also an important component in reducing the development cost of products. The automobile body upset frock among the prior art has following technical problem: according to normal small-batch development flow and process, 4 sets of overturning tools need to be developed for the lower vehicle body assembly and the left/right side wall assembly respectively, the development cost investment is large, the period is long, and the method specifically comprises the following steps:
1. the body-in-white assembly overturning tool needs to ensure that the body-in-white is overturned for 180 degrees and realize repair welding, inspection and other work of the body, the cost for developing the tool is about 15 ten thousand, and the development period is about 1.5 months.
2. The lower body overturning tool needs to ensure that the lower body overturns 180 degrees and completes the work of repair welding, gluing, inspection and the like of the body, the cost of developing the tool is about 12 ten thousand, and the development period is about 1.4 months.
3. The left and right side wall assembly overturning tool needs to ensure that the left and right side wall assemblies can overturn at multiple angles of 45 degrees and 135 degrees to perform side wall repair welding, gluing, checking and other work, the cost for developing the tool is about 10 ten thousand, and the development period is about 1.4 months.
Disclosure of Invention
To prior art have above-mentioned problem, this application provides white automobile body flexibility multi-angle upset frock of small batch volume, can effectual reduction development many sets of upset frock cost and development cycle, saves area.
In order to achieve the purpose, the technical scheme of the application is as follows: small batch of white automobile body flexibility multi-angle upset frock, including speed reducer, trip shaft, flexible frame, automatically controlled collude round pin, electrical control cabinet, fixed frame, bear the seat fixed frame one side symmetry is provided with bears seat an and bears seat b, bear seat an top and be fixed with the speed reducer, the speed reducer links to each other with trip shaft one end, the trip shaft other end passes through the bearing and links to each other with bearing seat b top be equipped with electrical control cabinet in bearing seat b's the holding chamber, electrical control cabinet links to each other with speed reducer, the automatically controlled round pin of colluding of multiunit, the automatically controlled round pin symmetry of colluding of multiunit is installed on flexible frame, flexible frame links to each other with the trip shaft the fixed frame opposite side is equipped with the support column.
Furthermore, a stroke upright post is arranged between the support columns, the top of the stroke upright post is connected with a stroke sensor a connected with the electrical control cabinet, and a spring is arranged on the periphery of the stroke sensor a.
Furthermore, a cylinder and a clamping mechanism which are connected are respectively arranged on two sides of the rotating end of the flexible frame, and the cylinder is connected with the electrical control cabinet.
Further, be equipped with stop device between fixed frame and flexible frame, stop device includes riser, V-arrangement piece, Λ type piece, the riser bottom is located fixed frame, top and V-arrangement piece fixed connection, the V-arrangement piece opens and shuts with Λ type piece and is connected, Λ type piece is fixed on flexible frame.
Furthermore, be equipped with stroke response mechanism between the stop device, stroke response mechanism includes stroke fixed plate, stroke sensor b and triangle-shaped piece, stroke fixed plate bottom is located fixed frame, and the top is connected with the stroke sensor b who links to each other with the electrical control cabinet, stroke sensor b periphery is equipped with the spring, the triangle-shaped piece is fixed on flexible frame.
Further, before overturning, the movable end of the flexible frame is positioned on the support column.
Furthermore, the electrical control cabinet is also connected with a manual operation box and an alarm, and the manual operation box is provided with a plurality of key positions for controlling starting, stopping, turning and rotating of the body-in-white assembly, turning and rotating of the lower body assembly and turning and rotating of the side wall assembly.
Furthermore, the distribution of the electric control hook pins is set according to the grabbing positions of the parts.
As a further step, a plurality of leveling footstands are arranged at the bottom of the fixed frame.
As a further step, the flexible frame comprises an installation frame and a support frame, the two sides of the installation frame and the support frame are symmetrically provided with connecting oblique beams, and the multiple groups of electric control hook pins are located on the installation frame.
Due to the adoption of the technical scheme, the invention can obtain the following technical effects: different assemblies of the same vehicle type are turned over in the same flexible frame through different positioning points; the flexible frame is replaced, overturning of different assemblies of different vehicle types is achieved through the overturning shaft, in the position of a shared frame, the electrical control cabinet and the clamping mechanism are used for compensating the reference one-way deviation generated by different processes, so that overturning of parts of different processes is achieved, smooth operation of welding, gluing, checking and the like of the assemblies is guaranteed, and as the assemblies of different vehicle types and the same vehicle type are overturned on one overturning tool, capital investment of a tool base, a speed reducer, a rotating shaft and a supporting frame is reduced, early-stage processes are reduced, capital investment of designers is reduced, and occupied area is saved.
Drawings
FIG. 1 is a schematic structural diagram of a small-batch body-in-white turnover tool after turnover;
FIG. 2 is a schematic structural diagram of a small-batch body-in-white overturning tool before overturning;
FIG. 3 is a front view of a small batch of white body turnover tools in a state after turnover;
FIG. 4 is a state top view of a small batch of white vehicle body turnover tools after turnover;
fig. 5 is a partially enlarged view of the small-batch body-in-white turnover tool after turnover.
The sequence numbers in the figures illustrate: 1. the device comprises an electric control hook pin, 2, a flexible frame, 3, a limiting device, 4, a stroke upright post, 5, a dismounting bolt, 6, a turnover shaft, 7, a speed reducer, 8, a fixed frame, 9, an electric control cabinet, 10, a manual operation box, 11, stroke sensors a, 12, an installation frame, 13, a clamping mechanism, 14, support columns, 15, leveling footstands, 16, a support frame, 17, a connecting oblique beam, 18 and a stroke sensor b.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples: the present application is further described by taking this as an example.
Example 1
As shown in fig. 1-4, this embodiment provides a small batch of white automobile body flexibility multi-angle upset frock, including speed reducer, trip shaft, flexible frame, automatically controlled colluding round pin, electrical control cabinet, fixed frame, bear the seat fixed frame one side symmetry is provided with bears seat an and bears seat b, it is fixed with the speed reducer to bear seat an top, the speed reducer links to each other with trip shaft one end, the trip shaft other end passes through the bearing and bears seat b top and link to each other bear the electrical control cabinet to be equipped with in seat b's the holding chamber, electrical control cabinet links to each other with speed reducer, the automatically controlled round pin that colludes of multiunit, the automatically controlled round pin symmetry of multiunit is installed on flexible frame, flexible frame links to each other through dismantling the bolt with the trip shaft fixed frame opposite side is equipped with the support column. The distribution of the electric control hook pins is set according to the grabbing positions of the parts.
The fixed frame realizes horizontal adjustment with ground through the leveling foot stool, the leveling foot stool is preferably eight and is arranged around the bottom frame. The precision of the integral overturning tool is ensured. The electric control hook pin is matched with the air cylinder for locking the body-in-white assembly, the lower body assembly, the left side wall assembly, the right side wall assembly and the flexible frame, so that parts are prevented from falling off; the flexible frame can be made into a plurality of types according to different vehicle types, has a multi-vehicle type switching function, and controls the overturning speed and displacement by the speed reducer in a servo mode.
A limiting device is arranged between the fixed frame and the flexible frame and comprises a vertical plate, a V-shaped block and an inverted V-shaped block, the bottom of the vertical plate is positioned on the fixed frame, the top of the vertical plate is fixedly connected with the V-shaped block, the V-shaped block is connected with the inverted V-shaped block in an opening and closing mode, and the inverted V-shaped block is fixed on the flexible frame; the limiting device can realize the in-place stop point of the flexible frame;
a stroke upright post is arranged between the support columns, the top of the stroke upright post is connected with a stroke sensor a connected with an electrical control cabinet, and the periphery of the stroke sensor a is provided with a spring; the stroke sensor a is used for confirming whether the stroke of the flexible frame is in place before overturning.
Be equipped with stroke response mechanism between the stop device, stroke response mechanism includes stroke fixed plate, stroke sensor b and triangle-shaped piece, stroke fixed plate bottom is located fixed frame, and the top is connected with the stroke sensor b who links to each other with electrical control cabinet, stroke sensor b periphery is equipped with the spring, the triangle-shaped piece is fixed on flexible frame, stroke sensor b is used for confirming flexible frame stroke after the upset whether targets in place, when 180 upsets targets in place, stroke sensor b and triangle-shaped piece contact.
And when the stroke sensor confirms that the stroke of the flexible frame is not in place, the clamping mechanism provides a downward force for the flexible frame to reset.
The electrical control cabinet is still continuous with manually operation box, alarm, the alarm can be located manually operation box: when the flexible frame does not run in place in the process of turning over or turning around, the alarm will whistle and flash. The manual operation box is provided with a plurality of key positions which are respectively used for controlling starting, stopping, turning and rotating of the body-in-white assembly, turning and rotating of the lower body assembly and turning and rotating of the side wall assembly.
The working method of the small-batch body-in-white overturning tool comprises the following steps: the stroke sensor a before turning detects whether the stroke of the flexible frame is in place, and if the stroke of the flexible frame is not in place, the electric control cabinet enables the clamping mechanism to provide a downward force for the flexible frame through the clamping cylinder to reset.
1) When the body-in-white assembly is turned over, a 'body-in-white one-key starting' button is pressed, an electric control cabinet control air cylinder and an electric control hook pin (B, C, J, M) are automatically lifted and positioned and assembled to parts, wherein the lifting height is set during debugging, the consistency of a fixture and a product data datum is ensured, the 'body-in-white assembly turning' button is pressed, a speed reducer drives a rotating shaft to turn over a flexible frame by 180 degrees, a stroke sensor B detects whether the stroke of the flexible frame is in place after turning over, and if the stroke is not in place, the electric control cabinet enables a clamping mechanism to provide a downward force for the flexible frame to return to the position through a clamping air cylinder. And then welding and checking the bottom of the body-in-white, pressing a 'body-in-white assembly rotation' button after the welding, checking and the like are finished, realizing the rotation of the body-in-white assembly, and loading and unloading the body-in-white assembly to the next process for use through an appliance.
2) When the lower vehicle body assembly is welded and overturned, a button of 'one-key starting of the lower vehicle body' is pressed, the electric control cabinet controls the air cylinder and the electric control hook pins (B, C, J and M) to automatically lift and position and assemble parts, and the consistency of positioning RPS of the white vehicle body and the lower vehicle body assembly determines that the electric control hook pins do not need to be switched; the turning button of the lower vehicle body assembly is pressed down, the speed reducer drives the rotating shaft to realize 180-degree turning of the flexible frame, the stroke sensor b detects whether the stroke of the flexible frame is in place after turning, if the stroke of the flexible frame is not in place, the electric control cabinet enables the clamping mechanism to provide a downward force for the flexible frame to return through the clamping cylinder, then the turning button of the lower vehicle body assembly is pressed down after the bottom welding, gluing, checking and other work of the lower vehicle body assembly are finished, the turning of the lower vehicle body assembly is realized, and the lower vehicle body assembly is loaded and unloaded to the next process for use through an appliance. The difference between the car body assembly and the white car body assembly is in the height direction, and the whole frame is not influenced.
3) When the left and right side wall assemblies are turned over, a 'side wall one-key starting' button is pressed, the electric control cabinet controls the air cylinder and the electric control hook pins (D, E, H, I, F and G) to lift and position and assemble the parts, the positioning points of the left and right side wall assemblies and the body-in-white are not consistent, therefore, the positioning of the H side and the I side is particularly increased to ensure the positioning stability of the assembly, the 'side wall assembly turning' button speed reducer is pressed to drive the rotating shaft to realize the turning of the flexible frame by 45 degrees, the spot welding, the gluing, the checking and other work of the left side wall assembly and the right side wall assembly are carried out, and then, a speed reducer of a side wall assembly turning button is pressed once to drive a rotating shaft to turn over the flexible frame by 135 degrees, the welding, gluing, checking and other work of each surface are carried out, a turning button of the side wall assembly turning is pressed after the completion, the turning of the side wall assembly is realized, and the side wall assembly is hoisted to a white body welding area to carry out white body matching welding.
When the body-in-white assembly, the lower body assembly and the left and right side wall assemblies of other vehicle types need to be turned, the flexible frames need to be switched and are tightened through the connecting bolts, the purpose that the turnover mechanism is shared by multiple vehicle types and multiple assemblies is finally achieved, the development period and the development cost are reduced, and the problems of interference, collision and the like in the turning process cannot be caused. 30-50 ten thousand yuan can be saved for the same vehicle type, different vehicle types are sequentially overlapped, and meanwhile, the storage cost and the maintenance cost can be effectively reduced.
The above description is only for the purpose of creating a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. The small-batch flexible multi-angle turnover tool for the body-in-white is characterized by comprising a speed reducer, a turnover shaft, a flexible frame, electric control hook pins, an electric control cabinet, a fixed frame and a bearing seat, wherein the bearing seat a and the bearing seat b are symmetrically arranged on one side of the fixed frame;
a limiting device is arranged between the fixed frame and the flexible frame and comprises a vertical plate, a V-shaped block and an inverted V-shaped block, the bottom of the vertical plate is positioned on the fixed frame, the top of the vertical plate is fixedly connected with the V-shaped block, the V-shaped block is connected with the inverted V-shaped block in an opening and closing mode, and the inverted V-shaped block is fixed on the flexible frame;
when the body-in-white assembly is turned over, a 'body-in-white one-key starting' button is pressed, an electric control cabinet control air cylinder and an electric control hook pin (B, C, J, M) are automatically lifted and positioned and assembled to parts, wherein the lifting height is set during debugging, the consistency of a fixture and a product data datum is ensured, the 'body-in-white assembly turning' button is pressed, a speed reducer drives a rotating shaft to turn over a flexible frame by 180 degrees, a stroke sensor B detects whether the stroke of the flexible frame is in place after turning over, and if the stroke is not in place, the electric control cabinet enables a clamping mechanism to provide a downward force for the flexible frame to return to the position through a clamping air cylinder; then welding and checking the bottom of the body-in-white, pressing a 'body-in-white assembly turning' button after the welding and checking work is finished, realizing turning of the body-in-white assembly, and loading and unloading the body-in-white assembly to the next process for use through an appliance;
when the lower vehicle body assembly is welded and overturned, a button of 'one-key starting of the lower vehicle body' is pressed, the electric control cabinet controls the air cylinder and the electric control hook pins (B, C, J and M) to automatically lift and position and assemble parts, and the consistency of positioning RPS of the white vehicle body and the lower vehicle body assembly determines that the electric control hook pins do not need to be switched; pressing down a button for turning the lower vehicle body assembly, driving a rotating shaft to realize 180-degree turning of the flexible frame by a speed reducer, detecting whether the stroke of the flexible frame is in place by a stroke sensor b after turning, if not, enabling a clamping mechanism to provide a downward force for the flexible frame to return by an electric control cabinet through a clamping cylinder, then performing welding, gluing and checking on the bottom of the lower vehicle body assembly, pressing down a button for turning the lower vehicle body assembly after finishing, realizing turning of the lower vehicle body assembly, and loading and unloading the lower vehicle body assembly to the next process for use through an appliance;
when the left and right side wall assemblies are turned over, a 'side wall one-key start' button is pressed, an electric control cabinet control cylinder and electric control hook pins (D, E, H, I, F and G) are lifted and positioned and assembled, positioning points of the left and right side wall assemblies and a white car body are inconsistent, the side positioning of the electric control hook pins (H and I) is increased to ensure the positioning stability of the assemblies, a 'side wall assembly turning' button speed reducer is pressed to drive a rotating shaft to realize 45-degree turning of a flexible frame, and the spot welding, gluing and inspection work of the side surfaces of the left and right side wall assemblies are carried out, and then, a 'side wall assembly turning' button speed reducer is pressed once again to drive the rotating shaft to turn over the flexible frame for 135 degrees, welding, gluing and checking of all surfaces are carried out, a 'side wall assembly turning' turning button is pressed after the operation is finished, turning of the side wall assembly is realized, and the side wall assembly is hoisted to a white body welding area to carry out white body matching welding.
2. The small-batch white vehicle body flexible multi-angle overturning tool is characterized in that a stroke upright post is arranged between support columns, the top of the stroke upright post is connected with a stroke sensor a connected with an electric control cabinet, and a spring is arranged on the periphery of the stroke sensor a.
3. The small-batch white body flexible multi-angle overturning tool according to claim 1, wherein two sides of a rotating end of the flexible frame are respectively provided with a cylinder and a clamping mechanism which are connected, and the cylinder is connected with an electrical control cabinet.
4. The small-batch flexible multi-angle turnover tool for body-in-white according to claim 1, wherein a stroke sensing mechanism is arranged between the limiting devices and comprises a stroke fixing plate, a stroke sensor b and a triangular block, the bottom of the stroke fixing plate is located on a fixing frame, the top of the stroke fixing plate is connected with the stroke sensor b connected with an electric control cabinet, a spring is arranged on the periphery of the stroke sensor b, and the triangular block is fixed on a flexible frame.
5. The small-batch white body flexible multi-angle overturning tool according to claim 1, wherein before overturning, the movable end of the flexible frame is positioned on a support column.
6. The small-batch white body flexible multi-angle overturning tool is characterized in that the electrical control cabinet is further connected with a manual operation box and an alarm; the manual operation box is provided with a plurality of key positions which are respectively used for controlling starting, stopping, turning and rotating of the body-in-white assembly, turning and rotating of the lower body assembly and turning and rotating of the side wall assembly.
7. The small-batch flexible multi-angle turnover fixture for body-in-white according to claim 1, wherein the distribution of the electric control hook pins is set according to the grabbing positions of parts.
8. The small-batch flexible multi-angle turnover fixture for body-in-white according to claim 1, wherein a plurality of leveling foot seats are arranged at the bottom of the fixed frame.
9. The small-batch white vehicle body flexible multi-angle overturning tool according to claim 1, wherein the flexible frame comprises an installation frame and a support frame, connecting oblique beams are symmetrically arranged on two sides of the installation frame and the support frame, and a plurality of groups of electric control hook pins are located on the installation frame.
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| CN202011311172.2A CN112548473B (en) | 2020-11-20 | 2020-11-20 | Flexible multi-angle overturning tool for small-batch white vehicle bodies |
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| CN202011311172.2A CN112548473B (en) | 2020-11-20 | 2020-11-20 | Flexible multi-angle overturning tool for small-batch white vehicle bodies |
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| CN113478157A (en) * | 2021-05-31 | 2021-10-08 | 江铃汽车股份有限公司 | Assembly tool |
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| CN205465007U (en) * | 2016-01-27 | 2016-08-17 | 广东高达重工机械实业股份有限公司 | Control upset frock |
| CN106624568A (en) * | 2017-02-28 | 2017-05-10 | 中源汽车零部件（大连）股份有限公司 | White body trial manufacturing side wall integrated clamp and working method thereof |
| CN206484205U (en) * | 2017-02-28 | 2017-09-12 | 中源汽车零部件（大连）股份有限公司 | White body manufactures experimently gusset integrated clamp |
| CN207858161U (en) * | 2017-12-18 | 2018-09-14 | 芜湖中集瑞江汽车有限公司 | Confine position, welding, turnable integrated tooling in case tank end |
| CN109048185A (en) * | 2018-08-30 | 2018-12-21 | 苏州科易特自动化科技有限公司 | A kind of high-efficient automatic turning lifting tooling |
| CN110549063A (en) * | 2019-10-23 | 2019-12-10 | 中车长春轨道客车股份有限公司 | positioning and clamping device for welding end plate of railway vehicle |
| CN111215991A (en) * | 2020-01-22 | 2020-06-02 | 黄惠惠 | Steering wheel processing rotary driving device based on machine vision |
| CN111776690A (en) * | 2020-06-28 | 2020-10-16 | 南京高速齿轮制造有限公司 | Turnover device |
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