CN114476557A - Dipping bath conveying device for high-efficiency electrophoresis operation of vehicle frame - Google Patents
Dipping bath conveying device for high-efficiency electrophoresis operation of vehicle frame Download PDFInfo
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- CN114476557A CN114476557A CN202011273368.7A CN202011273368A CN114476557A CN 114476557 A CN114476557 A CN 114476557A CN 202011273368 A CN202011273368 A CN 202011273368A CN 114476557 A CN114476557 A CN 114476557A
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- 238000001962 electrophoresis Methods 0.000 title claims abstract description 66
- 238000007598 dipping method Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 230000033001 locomotion Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 abstract description 21
- 238000000576 coating method Methods 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 8
- 230000001360 synchronised effect Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005507 spraying Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
- B65G35/06—Mechanical conveyors not otherwise provided for comprising a load-carrier moving along a path, e.g. a closed path, and adapted to be engaged by any one of a series of traction elements spaced along the path
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/22—Servicing or operating apparatus or multistep processes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
A dipping bath conveying device for high-efficiency electrophoresis operation of a frame comprises a track, a rail car and a folding kinematic chain, wherein the track is an elevated track and is paved right above an electrophoresis cell, and the rail car is driven by a motor to move controllably along the track; the folding kinematic chain is arranged below the rail car and forms a single closed loop six-rod underactuated mechanism, and the folding kinematic chain comprises a first driving arm, a second driving arm, a first driven arm, a second driven arm, a third driven arm, a fourth driven arm and a bearing platform; the bearing table is a frame structure for placing a frame; the first driving arm and the second driving arm can realize synchronous controllable opening and closing under the synchronous driving of the first linear driver and the second linear driver, and the bearing table translates up and down in the vertical direction; when the first linear driver and the second linear driver 10 are controlled by asynchronous programming, the posture inclination of the bearing table can be realized, so that the posture of the frame can be adjusted in the electrophoresis cell, the special electrophoresis process requirements of the frame can be met, and the electrophoresis coating quality can be improved.
Description
Technical Field
The invention relates to the field of electrophoretic coating, in particular to a dipping bath conveying device for high-efficiency electrophoretic operation of a vehicle frame.
Background
Electrophoretic coating is a special coating technology, and is originally originated from coating research on body-in-white primer by using anodic electrophoresis by ford motor companies in the united states, and is built into the first-generation electrophoretic coating equipment in 1963, and at present, electrophoresis has become one of the most common methods for coating metal workpieces, and plays an increasingly important role in the fields of automobiles, motorcycles, mechanical equipment, jewelry and the like. The electrophoresis process is divided into anodic electrophoresis and cathodic electrophoresis. If the paint particles are negatively charged, the workpiece is an anode, and the paint particles deposit and form a film on the workpiece under the action of an electric field force, namely anode electrophoresis; conversely, if the coating particles are positively charged and the workpiece is a cathode, the deposition of the coating particles onto the workpiece is called cathodic electrophoresis. Before the metal piece electrophoretic coating operation, firstly, the surface of the metal piece is pretreated through the processes of high-pressure washing, hot water washing, pre-degreasing, water washing, surface conditioning, phosphating, water washing, pure water washing, fresh water washing and the like, so that the consistency of the surface conductivity of an electrophoretic piece is ensured, and then, before electrophoresis, the electrophoretic coating is carried out through spraying, cathode electrophoresis, tank outlet spraying, ultrafiltrate soaking, ultrafiltrate spraying, pure water soaking and fresh pure water spraying, and floating paint on the surface is removed.
With the increasing of the output of heavy-duty automobiles, the quality requirement is continuously improved, and in order to improve the corrosion resistance of heavy-duty automobiles, the frames and cabs of trucks are generally coated by an electrophoresis process at present. The truck frame mostly adopts a continuous cathode electrophoresis system to carry out electrophoretic coating, the system mainly comprises an electrophoresis tank, a transfer tank and a circulating system, electrophoretic coating equipment is complex, once running, the running is generally not stopped, higher requirements are not only provided for equipment maintenance and repair, but also for equipment reliability. Because truck frame quality and bulky, in the in-process that the frame immerges the electrophoresis cell, current electrophoresis production line adopts linear guide type dipping device usually, reciprocates the dipping in-process at plummer hoist truck frame, has the guide rail jamming, unstable, plummer and is difficult to carry out gesture adjustment scheduling problem, and not only the fault rate is high, has restricted productivity ratio, and the electrophoresis production line who disposes linear guide type dipping device needs higher workshop height moreover, has increased investment cost by a wide margin.
Disclosure of Invention
The invention aims to provide a dipping bath conveying device for high-efficiency electrophoresis operation of a vehicle frame, which can realize stable and reliable lifting movement of the vehicle frame, reduce the failure rate, improve the dipping bath flexibility and electrophoresis quality of the vehicle frame and reduce the electrophoresis production cost.
The invention achieves the above purpose by the following technical scheme: a dipping bath conveying device for high-efficiency electrophoresis operation of a frame comprises a track, a rail car and a folding moving chain, wherein the track is an overhead track and is paved right above an electrophoresis cell, the rail car is installed on the track through rail wheels, the movement of the rail car is driven by a motor and is controlled by computer programming, and the rail car can controllably move along the track under the driving of the motor; the folding kinematic chain is arranged below the rail car and comprises a first driving arm, a second driving arm, a first driven arm, a second driven arm, a third driven arm, a fourth driven arm and a bearing platform, wherein one end of the first driving arm is connected with the rail car through a first revolute pair, the other end of the first driving arm is connected with one end of the first driven arm through a second revolute pair, and the other end of the first driven arm is connected with the bearing platform through a third revolute pair; one end of the second driving arm is connected with the rail car through a fourth revolute pair, the other end of the second driving arm is connected with one end of the second driven arm through a fifth revolute pair, the other end of the second driven arm is connected with a bearing table through a sixth revolute pair, and the bearing table is of a frame structure used for placing a frame; the first driving arm and the second driving arm are respectively driven by a first linear driver and a second linear driver, one end of the first linear driver is connected with the railcar through a seventh revolute pair, the other end of the first linear driver is connected with the first driving arm through an eighth revolute pair, one end of the second linear driver is connected with the railcar through a ninth revolute pair, and the other end of the second linear driver is connected with the second driving arm through a tenth revolute pair; one end of the third driven arm is connected with the first driving arm through an eleventh revolute pair, the other end of the third driven arm is connected with the bearing platform through a twelfth revolute pair, one end of the fourth driven arm is connected with the second driving arm through a thirteenth revolute pair, and the other end of the fourth driven arm is connected with the bearing platform through a fourteenth revolute pair.
The hole center distances of the revolute pairs contained in the first driven arm, the second driven arm, the third driven arm and the fourth driven arm are equal; the hole center distances of the revolute pairs of the first driving arm and the second driving arm are equal; the first linear driver and the second linear driver are electro-hydraulic push rods, the problems of poor starting load capacity and lack of overload protection of the servo electric cylinder are solved, and compared with a hydraulic cylinder, a pump station is not needed to be arranged, and the transmission precision is high. The folding kinematic chain is arranged below the rail car and forms a single closed loop six-rod underactuated mechanism with the rail car, the first driving arm and the second driving arm can realize synchronous controllable opening and closing under the synchronous driving of the first linear driver and the second linear driver, and the bearing platform is driven by the first driven arm and the second driven arm to move vertically; when the first linear driver and the second linear driver are controlled through asynchronous programming, the posture inclination of the bearing table can be realized, so that the posture of the frame is adjusted in the electrophoresis cell, the special electrophoresis process requirements of the frame are met, and the electrophoresis coating quality is improved.
The frame high-efficiency electrophoresis operation dipping bath conveying device can be matched with an overhead rail chain conveying system to work together, when electrophoresis coating operation is carried out, a truck frame is hung on a lifting hook of the overhead rail chain conveying system and is placed on a bearing platform after conveying, then a rail car moves to the position right above an electrophoresis cell along a rail, and at the moment, a first linear driver and a second linear driver synchronously drive a folding moving chain to enable the bearing platform to vertically descend until the liquid level of the electrophoresis cell does not pass through the truck frame, so that dipping bath electrophoresis operation of the frame is realized; after the process is completed, the bearing platform is vertically lifted to a certain height above the electrophoretic pool under the control of the folding motion chain transmission, the rail car moves to the next electrophoretic pool along the rail to continue bath operation, and the rail car is lifted by the lifting hook of the overhead rail chain conveying system again after the frame finishes electrophoretic coating operation and conveyed to a spraying station for subsequent coating operation.
The invention has the outstanding advantages that:
1. the dipping bath conveying device for the high-efficiency electrophoresis operation of the frame moves above the electrophoresis cell through the rail car, has good stability and high safety, can be matched with an overhead rail chain conveying system for operation, and greatly improves the production efficiency of the electrophoresis production line of the frame; the folding kinematic chain is driven by the electro-hydraulic push rod, so that the problems of poor starting load capacity and lack of overload protection of the servo electric cylinder are solved, and compared with a hydraulic cylinder, a pump station is not required to be arranged, and the transmission precision is high.
2. This kind of frame high efficiency electrophoresis operation dipping bath conveyor adopts folding kinematic chain to replace the vertical guide rail type dipping bath device of current frame electrophoresis production line, the dipping bath device stability has not only been promoted, mechanical failure because of linear guide easily takes place synchronous unusual and leads to has been avoided, and through first linear actuator, second linear actuator programming control, the plummer can realize level and slope gesture, dipping bath device flexibility has effectively been increased, make the frame carry out the gesture adjustment in good time in the electrophoresis pond, satisfy special electrophoresis technological requirement, promote the electrophoresis application quality.
3. This kind of frame high efficiency electrophoresis operation dipping bath conveyor makes this kind of dipping bath conveyor reduce vertical height through folding of folding kinematic chain because of adopting folding kinematic chain design, compares the vertical guide rail type dipping bath device of current frame electrophoresis production line, has reduced electrophoresis workshop height, has practiced thrift the cost.
Drawings
Fig. 1 is a schematic diagram of three-dimensional operation of a folding kinematic chain of a high-efficiency electrophoresis operation dipping bath conveying device for a vehicle frame.
Fig. 2 is a front view of a folding kinematic chain of the high-efficiency electrophoresis operation dipping bath conveying device for the vehicle frame.
Fig. 3 is a three-dimensional schematic view of a folding kinematic chain of the high-efficiency electrophoresis operation dipping bath conveying device for the vehicle frame.
Fig. 4 is a left view of the folding kinematic chain of the high-efficiency electrophoresis operation dipping bath conveying device of the vehicle frame.
Fig. 5 is one of the operation diagrams of the high-efficiency electrophoresis bath conveying device of the vehicle frame of the present invention.
FIG. 6 is a second schematic view of the operation of the high-efficiency electrophoresis bath conveying device of the present invention.
Fig. 7 is a top view of the high efficiency electrophoresis bath conveyor of the present invention.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
Referring to fig. 1, 2, 3 and 4, a dipping bath conveying device for high-efficiency electrophoresis operation of a vehicle frame comprises a track 20, a rail car 2 and a folding kinematic chain, wherein the track 20 is an elevated track and is laid right above an electrophoresis cell, the rail car 2 is installed on the track 20 through a track wheel 1, the movement of the rail car 20 is driven by a motor 3, and the rail car 20 is controlled by computer programming and can move controllably along the track 20 under the driving of the motor 3; the folding kinematic chain is arranged below the rail car 2 and comprises a first driving arm 8, a second driving arm 11, a first driven arm 14, a second driven arm 15, a third driven arm 28, a fourth driven arm 31 and a bearing platform 18, wherein one end of the first driving arm 8 is connected with the rail car 2 through a first revolute pair 4, the other end of the first driving arm is connected with one end of the first driven arm 14 through a second revolute pair 12, and the other end of the first driven arm 14 is connected with the bearing platform 18 through a third revolute pair 16; one end of the second driving arm 11 is connected with the rail car 2 through a fourth revolute pair 7, the other end of the second driving arm is connected with one end of a second driven arm 15 through a fifth revolute pair 13, the other end of the second driven arm 15 is connected with a bearing table 18 through a sixth revolute pair 17, and the bearing table 18 is a frame structure for placing a car frame; the first driving arm 8 and the second driving arm 11 are respectively driven by a first linear driver 9 and a second linear driver 10, one end of the first linear driver 9 is connected with the rail car 2 through a seventh revolute pair 5, the other end of the first linear driver is connected with the first driving arm 8 through an eighth revolute pair 21, one end of the second linear driver 10 is connected with the rail car through a ninth revolute pair 6, and the other end of the second linear driver is connected with the second driving arm 11 through a tenth revolute pair 24; one end of the third driven arm 28 is connected to the first driving arm 8 through an eleventh revolute pair 27, the other end is connected to the platform 18 through a twelfth revolute pair 29, one end of the fourth driven arm 31 is connected to the second driving arm 11 through a thirteenth revolute pair 30, and the other end is connected to the platform 18 through a fourteenth revolute pair 32.
Referring to fig. 1, 2, 3 and 4, the first driven arm 14, the second driven arm 15, the third driven arm 28 and the fourth driven arm 31 have the same center-to-center distance of the revolute pairs; the hole center distances of the revolute pairs of the first active arm 8 and the second active arm 11 are equal; the first linear driver 9 and the second linear driver 10 are electro-hydraulic push rods, so that the problems of poor starting load capacity and lack of overload protection of a servo electric cylinder are solved, and compared with a hydraulic cylinder, a pump station is not required to be arranged, and the transmission precision is high; the folding kinematic chain is arranged below the rail car 2 and forms a single closed loop six-rod underactuated mechanism with the rail car 2, the first driving arm 8 and the second driving arm 11 can realize synchronous controllable opening and closing under the synchronous driving of the first linear driver 9 and the second linear driver 10, and the bearing platform 18 is driven by the first driven arm 14 and the second driven arm 15 to move up and down in the vertical direction; when the first linear driver 9 and the second linear driver 10 are controlled by asynchronous programming, the posture inclination of the bearing table 18 can be realized, so that the posture of the vehicle frame 19 is adjusted in the electrophoresis cell, the special electrophoresis process requirement of the vehicle frame 19 is met, and the electrophoresis coating quality is improved.
Referring to fig. 1, 2, 5, 6 and 7, the dipping bath conveying device for high-efficiency electrophoresis operation of the vehicle frame can cooperate with an overhead rail chain conveying system 22 to operate together, when the electrophoresis coating operation is performed, a truck frame 19 is hung on a lifting hook 23 of the overhead rail chain conveying system 22 and is placed on a bearing platform 18 after being conveyed, then the rail vehicle 2 moves to a position right above an electrophoresis cell 25 along a rail 20, at the moment, a first linear driver 9 and a second linear driver 10 synchronously drive a folding moving chain to enable the bearing platform 18 to vertically descend until the liquid level of the electrophoresis cell is over the truck frame 19, and then the dipping bath electrophoresis operation of the vehicle frame 19 is realized; after the process is completed, the bearing platform 18 is vertically lifted to a certain height above the electrophoretic pool under the control of the folding motion chain, the rail car 2 moves to the next electrophoretic pool along the rail 20 to continue the dipping operation until the frame 19 finishes the electrophoretic coating operation, and then is lifted by the lifting hook 23 of the overhead rail chain conveying system 22 again and conveyed to the spraying station for the subsequent coating operation.
Claims (2)
1. The utility model provides a frame high efficiency electrophoresis operation dipping bath conveyor, includes track, railcar, folding kinematic chain, its characterized in that: the rail is an elevated rail and is laid right above the electrophoresis cell, the rail vehicle is arranged on the rail through rail wheels, and the movement of the rail vehicle is driven by a motor;
the folding kinematic chain is arranged below the rail car and forms a single closed loop six-rod underactuated mechanism together with the rail car; the folding kinematic chain comprises a first driving arm, a second driving arm, a first driven arm, a second driven arm, a third driven arm, a fourth driven arm and a bearing platform, wherein one end of the first driving arm is connected with the rail car through a first revolute pair, the other end of the first driving arm is connected with one end of the first driven arm through a second revolute pair, and the other end of the first driven arm is connected with the bearing platform through a third revolute pair; one end of the second driving arm is connected with the rail car through a fourth revolute pair, the other end of the second driving arm is connected with one end of the second driven arm through a fifth revolute pair, the other end of the second driven arm is connected with the bearing platform through a sixth revolute pair, and the bearing platform is of a frame structure used for placing a vehicle frame.
2. The dipping bath conveying device for high-efficiency electrophoresis operation of the vehicle frame as claimed in claim 1, which is characterized in that: the first driving arm and the second driving arm are respectively driven by a first linear driver and a second linear driver, one end of the first linear driver is connected with the railcar through a seventh revolute pair, the other end of the first linear driver is connected with the first driving arm through an eighth revolute pair, one end of the second linear driver is connected with the railcar through a ninth revolute pair, and the other end of the second linear driver is connected with the second driving arm through a tenth revolute pair; one end of the third driven arm is connected with the first driving arm through an eleventh revolute pair, the other end of the third driven arm is connected with the bearing table through a twelfth revolute pair, one end of the fourth driven arm is connected with the second driving arm through a thirteenth revolute pair, and the other end of the fourth driven arm is connected with the bearing table through a fourteenth revolute pair;
the hole center distances of the revolute pairs contained in the first driven arm, the second driven arm, the third driven arm and the fourth driven arm are equal; the hole center distances of the revolute pairs of the first driving arm and the second driving arm are equal; the first linear driver and the second linear driver are electro-hydraulic push rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011273368.7A CN114476557A (en) | 2020-11-13 | 2020-11-13 | Dipping bath conveying device for high-efficiency electrophoresis operation of vehicle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011273368.7A CN114476557A (en) | 2020-11-13 | 2020-11-13 | Dipping bath conveying device for high-efficiency electrophoresis operation of vehicle frame |
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| CN114476557A true CN114476557A (en) | 2022-05-13 |
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| CN202011273368.7A Pending CN114476557A (en) | 2020-11-13 | 2020-11-13 | Dipping bath conveying device for high-efficiency electrophoresis operation of vehicle frame |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008280590A (en) * | 2007-05-11 | 2008-11-20 | Nippon Paint Co Ltd | Electrodeposition coating method |
| CN102616668A (en) * | 2012-01-18 | 2012-08-01 | 清华大学 | Cable traction automobile coating conveyor |
| CN106494887A (en) * | 2008-02-21 | 2017-03-15 | 艾森曼股份公司 | For processing the impregnation process equipment of article |
| CN207726650U (en) * | 2017-12-06 | 2018-08-14 | 海门市设备安装工程有限公司 | A kind of moving lift type job platform |
| CN209193469U (en) * | 2018-11-23 | 2019-08-02 | 中瑞机电工程(天津)有限公司 | Safe type movable hydraulic lift truck |
| CN210595072U (en) * | 2019-08-12 | 2020-05-22 | 江苏中申智能装备有限公司 | Reverse-type rotary rolling machine of automobile production line |
-
2020
- 2020-11-13 CN CN202011273368.7A patent/CN114476557A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008280590A (en) * | 2007-05-11 | 2008-11-20 | Nippon Paint Co Ltd | Electrodeposition coating method |
| CN106494887A (en) * | 2008-02-21 | 2017-03-15 | 艾森曼股份公司 | For processing the impregnation process equipment of article |
| CN102616668A (en) * | 2012-01-18 | 2012-08-01 | 清华大学 | Cable traction automobile coating conveyor |
| CN207726650U (en) * | 2017-12-06 | 2018-08-14 | 海门市设备安装工程有限公司 | A kind of moving lift type job platform |
| CN209193469U (en) * | 2018-11-23 | 2019-08-02 | 中瑞机电工程(天津)有限公司 | Safe type movable hydraulic lift truck |
| CN210595072U (en) * | 2019-08-12 | 2020-05-22 | 江苏中申智能装备有限公司 | Reverse-type rotary rolling machine of automobile production line |
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