CN115741050A

CN115741050A - Door panel assembly system

Info

Publication number: CN115741050A
Application number: CN202211480996.1A
Authority: CN
Inventors: 仲华; 唐良昭; 王帅
Original assignee: Cenwoy Automation Technology Shanghai Co Ltd
Current assignee: Cenwoy Automation Technology Shanghai Co Ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-07
Anticipated expiration: 2042-11-24
Also published as: CN115741050B

Abstract

The invention provides a door plate assembly system, which comprises a processing and conveying device, a door plate placing device, a screwing device, a riveting device, a buckle mounting device, a door plate taking-out device, a processing and conveying device, a backflow conveying device, a mold temporary storage device and a door plate assembly control device, wherein the door plate placing device, the screwing device, the riveting device, the buckle mounting device, the door plate taking-out device, the processing and conveying device, the backflow conveying device and the mold temporary storage device are sequentially arranged; or corresponding to the condition that the assembly product switches, this mold device can be deposited in the mold temporary storage device and save to can follow the mold temporary storage device and take out and transport to first station and use with the next mold device that waits to assemble door plant assorted, degree of automation is high, also need not manual intervention when switching the assembly product, can improve production efficiency, saves a large amount of manpowers.

Description

Door panel assembly system

Technical Field

The invention belongs to the technical field of automobile part manufacturing, and particularly relates to a door panel assembling system.

Background

The assembly of the automobile door panel generally comprises a plurality of processes such as screwing, riveting, installing a buckle, quality testing and the like. At present, in the assembling process, generally place the door plant work piece transport by the operation workman on corresponding workstation, fix the back, the manual work carries out each assembly process, and there are a plurality of problems in such assembly methods: firstly, the automobile door plate workpiece is large in size and heavy in weight, so that the labor intensity of operators is high, and the production efficiency is low; secondly, the automobile door plate workpiece has large volume, is easy to collide and the like in the transportation process, and influences the quality or the yield of finished products; thirdly, the operation workers need to switch various processing tools to sequentially carry out a plurality of different procedures, the production efficiency is low, and errors are easily generated in manual operation in the processes of screwing and riveting, so that the quality of finished products is influenced.

In order to solve the problems, the production efficiency of the automobile door plate is improved, a door plate assembling system capable of realizing automatic assembly is needed, and a mold device is correspondingly needed for carrying the automobile door plate to be assembled so as to facilitate the circulation of the automobile door plate between different stations. Because automobile door panel spare is bulky, correspondingly the mould device also can be big in size, the quality is heavy to the mould device also has multiple model (for the car door plant of fixed different models), consequently, still need to make the structural design that the mould device flows back, switches, avoids artifical transport and shifts the mould and causes assembly workman intensity of labour big, become the efficiency bottleneck in the system.

Disclosure of Invention

The invention is carried out to solve the problems, and aims to provide a door plate assembly system which can carry out assembly of each procedure on an automobile door plate by stations, can ensure the assembly quality, and can store and convey a die device for carrying the automobile door plate, wherein the invention adopts the following technical scheme:

the present invention provides a door panel assembly system, comprising: the door panel assembling die device is used for carrying an automobile door panel workpiece to be assembled, and is provided with an electronic tag for storing a die identification number; the door plate placing device, the screwing device, the riveting device, the buckle mounting device and the door plate taking-out device are sequentially arranged and are respectively used for placing the door plate assembling die device, screwing, riveting and buckle mounting the automobile door plate workpiece of the door plate assembling die device and taking out the assembled automobile door plate workpiece; the processing and conveying device is used for conveying the door plate assembling die device along a preset processing and conveying direction; a return flow conveying device for conveying the door panel assembling die device along a predetermined return flow conveying direction; the mold temporary storage device is used for storing and conveying the mold device for door plate assembly; and a door panel assembly control device for controlling the assembly process of the automobile door panel workpiece, which at least comprises: a die information storage unit for storing die identification numbers of the die devices for assembling the door panel and corresponding workpiece identification numbers of the workpieces of the automobile door panel; the die information acquisition part is used for acquiring the corresponding die identification number according to the input workpiece identification number of the next automobile door panel workpiece to be assembled; a mold switching determination unit configured to determine whether to switch between different types of mold devices for door panel assembly based on the current mold identification number and the mold identification number acquired by the mold information acquisition unit; and the mould switching control part controls the door plate taking device and the mould temporary storage device to work in a matching way when the mould switching judging part judges that the door plate taking device and the mould temporary storage device work in a matching way, and the mould device for door plate assembly at the door plate taking device is stored in the mould temporary storage device.

The door panel assembling system provided by the present invention may further have a technical feature that the door panel taking-out device has a mold receiving unit for receiving the door panel assembling mold device from the processing and conveying device, and the mold temporary storage device includes: the storage conveying track, the transfer conveying track and the taking-out conveying track are sequentially connected and are used for carrying and conveying the door plate assembly die device; the setting is in deposit with the third switching-over conveying unit of conveying track one end for with the mould is connect the unit butt joint and is got the door plant is mould device for the assembly, and places it deposit with keeping in on the conveying track, mould switching control portion includes: and the mould storing control unit is used for controlling the mould receiving unit and the third reversing conveying unit to work in a matched mode, and the mould receiving unit is used for transferring the mould device for door plate assembly to the storing conveying track for temporary storage.

The door plate assembling system provided by the invention can also have the technical characteristics that the mold receiving unit comprises two chain type conveying tracks which are arranged in parallel, the door plate taking-out device is also provided with a door plate taking-out lifting mechanism for driving the mold receiving unit to lift, the storing conveying track comprises two conveying synchronous belt tracks which are arranged in parallel, the third reversing conveying unit is arranged between the two conveying synchronous belt tracks and comprises two reversing synchronous belt tracks which are arranged in parallel and a reversing jacking cylinder arranged below the reversing synchronous belt tracks, when the third reversing conveying unit is in a jacking state and a non-jacking state, the reversing synchronous belt tracks are respectively higher than and lower than the chain type conveying tracks, the mold storing control unit firstly controls the reversing synchronous belt jacking cylinder to jack up the reversing synchronous belt tracks, controls the door plate taking-out lifting mechanism to lift the chain type conveying tracks to be flush with the reversing synchronous belt tracks, then controls the reversing synchronous belt tracks and the chain type conveying synchronous belt tracks to convey the mold assembling device to the reversing synchronous belt tracks, controls the door plate taking-out lifting cylinder to lift the chain conveying tracks to level, and places the door plate lifting synchronous belt tracks on the door plate to be synchronously conveyed to the door plate assembling device for storing.

The door panel assembling system provided by the present invention may further have a technical feature that the transfer conveying rail and the take-out conveying rail each include two parallel conveying synchronous belt rails, a conveying direction of the transfer conveying rail is perpendicular to both the deposit conveying rail and the take-out conveying rail, and the mold temporary storage device further includes: the first reversing conveying unit is arranged at one end, connected with the transfer conveying rail, of the delivery conveying rail, is positioned between the two conveying synchronous belt rails, and is used for reversing and conveying the door plate assembly mold device on the delivery conveying rail to the transfer conveying rail; and the second reversing conveying unit is arranged at the position, connected with the conveying track, of the transfer, one end of the conveying track is taken out and is positioned between the conveying synchronous belt tracks, the transfer is carried out between the conveying synchronous belt tracks, the door plate assembly mould device is reversed and conveyed to the position, on the conveying track, of the door plate assembly mould device is taken out and is stored in the mould device, the mould is stored in the unit and is controlled, the conveying track is stored in the transfer, the conveying track is taken out, the first reversing conveying unit is used for reversing the second reversing conveying unit, and the mould device for door plate assembly is conveyed to the position, adjacent to the mould device for door plate assembly, stored in the position.

The door panel assembling system provided by the invention can also have the technical characteristics that the door panel placing device is provided with a mould pushing unit which can be lifted and can switch the conveying direction and is used for carrying and conveying the mould device for door panel assembling, a mould detection sensor is arranged at the mould pushing unit and is used for reading the electronic tag so as to obtain the mould identification number, and the mould temporary storage device further comprises: transplant and use conveying unit, set up in the backward flow conveyor and be close to take out and use delivery track one end, be used for with take out and serve the mould device for door plant assembly who keeps in temporarily and transplant to backward flow conveyor, door plant assembly controlling means still includes: a mold storage information storage unit that stores the mold identification numbers of the respective door panel assembling mold devices stored in the mold temporary storage device, the mold take-out control unit further including: a mold take-out judging unit that judges whether or not the mold identification number acquired by the mold information acquiring unit is present in the mold identification numbers stored by the mold storage information storing unit; the mould taking-out control unit controls the taking-out conveying track and the transplanting conveying unit to work in a matching way when the mould taking-out judging unit judges that the mould is yes, and the temporarily stored mould devices for door plate assembly are sequentially taken out and placed on the backflow conveying device; a mold transfer control unit that controls the return flow conveying device and the door sheet pushing unit to convey the door sheet assembly mold device to the door sheet placing device after the mold take-out control unit takes out one door sheet assembly mold device; and the mold taking-out judging unit is used for judging whether the taken-out mold device for door panel assembly is matched with the automobile door panel workpiece to be assembled next or not according to the mold identification number read by the mold detection sensor and the mold identification number acquired by the mold identification number acquiring part.

The door panel assembly system provided by the invention can also have the technical characteristics that the backflow conveying device comprises three backflow conveying units which are respectively arranged below the screwing device, the riveting device and the buckle mounting device, the three backflow conveying units are arranged at the same height and have the same conveying direction and respectively comprise two chain conveying rails which are arranged in parallel, and the conveying unit for transplanting comprises: the two parallel synchronous belt tracks for transplanting are arranged between the two chain type conveying tracks of one of the reflux conveying units, and the conveying direction of the two synchronous belt tracks is the same as that of the taking-out conveying track; transplant and use jacking cylinder, set up transplant and be in with hold-in range track below for with its jack-up, when jack-up state and not jack-up state, transplant and use hold-in range track be higher than respectively and be less than two chain convey track is taking out during the die set is used in the door plant assembly, the mould takes out the control unit and controls earlier transplant and use jacking cylinder will transplant and use hold-in range track jack-up, then control take out with the delivery track with transplant and use hold-in range track synchronous conveying, will door plant assembly is carried to with die set on transplanting with the hold-in range track, the re-control transplant and use jacking cylinder will transplant and use hold-in range track, will door plant assembly places with die set puts down on the chain convey track.

The door panel assembling system according to the present invention may further include a mold removal control unit that includes: take out mould backward flow the control unit take out mould judge when the unit judges for no, control door plant placer process conveyor with door plant remove device will not match door plant for the device mould device carry extremely door plant remove device department, the mould is deposited in the control unit and is still in door plant for the device mould device flow back extremely behind the door plant remove device, control door plant remove device with mould temporary storage device cooperation work deposits this door plant for the device mould device in mould temporary storage device again.

The door panel assembling system provided by the invention can also have the technical characteristics that the processing and conveying device comprises: the three processing and conveying units are arranged below the screwing device, the riveting device and the buckle mounting device respectively and are positioned above the three backflow conveying units respectively, the three processing and conveying units are arranged at the same height and in the same conveying direction and respectively comprise two chain type conveying rails arranged in parallel, and the door plate assembly control device further comprises: processing transport control portion for control the processing transport process, it includes: the processing lifting control unit is used for controlling the mould pushing unit and the mould receiving part to lift to be flush with the processing conveying unit; the first processing and conveying control unit is used for controlling the mold pushing unit and the processing and conveying unit below the screwing device to convey the mold device for the door plate device to the position below the screwing device; the second processing and conveying control unit is used for controlling the two processing and conveying units below the screwing device and the riveting device to convey, and conveying the die device for the door plate device to the position below the riveting device; the third processing and conveying control unit is used for controlling the riveting device and the two processing and conveying units below the buckle mounting device to convey, and conveying the die device for the door plate device to the position below the buckle mounting device; and a fourth processing and conveying control unit for controlling the processing and conveying unit and the mold receiving part below the buckle mounting device to convey the mold device for door panel assembly to the door panel taking-out device.

The door panel assembling system provided by the present invention may further have a technical feature in that the door panel placing device further has an operation terminal for generating an assembling start signal after the operation confirmation of an assembling worker, and the door panel assembling control device further includes: the screw driving control part is used for controlling the screw driving device and generating a screw driving completion signal when the screw driving operation is completed; a riveting control section for controlling the riveting device and generating a riveting completion signal when the riveting operation is completed; and a buckle installation control part used for controlling the buckle installation device and generating a buckle installation completion signal when the buckle installation operation is completed, wherein the first processing and conveying control unit controls the mold pushing unit and the processing and conveying unit below the screw driving device to convey when receiving the assembly starting signal, the second processing and conveying control unit controls the screw driving device and the two processing and conveying units below the riveting device to convey when receiving the screw driving completion signal, the third processing and conveying control unit controls the riveting device and the two processing and conveying units below the buckle installation device to convey when receiving the riveting completion signal, and the fourth processing and conveying control unit controls the processing and conveying unit below the buckle installation device and the mold receiving part to convey when receiving the buckle installation completion signal.

The door panel assembling system provided by the invention can also have the technical characteristics that the mold pushing unit and the three processing and conveying units are respectively provided with a mold detection sensor for reading the electronic tag, the first processing and conveying control unit controls the mold pushing unit and the processing and conveying units below the screw device to stop conveying when the mold detection sensors of the processing and conveying units below the screw device read the electronic tag, the second processing and conveying control unit controls the two processing and conveying units below the screw device and the riveting device to stop conveying when the mold detection sensors of the processing and conveying units below the riveting device read the electronic tag, and the third processing and conveying control unit controls the two processing and conveying units below the riveting device and the clamping device to stop conveying when the mold detection sensors of the processing and conveying units below the clamping and mounting device read the electronic tag.

Action and Effect of the invention

According to the door plate assembling system, the door plate assembling system comprises a processing and conveying device, a door plate placing device, a screw driving device, a riveting device, a buckle mounting device and a door plate taking-out device which are sequentially arranged, automobile door plate workpieces to be assembled are placed in a door plate assembling die device to circulate, and are sequentially conveyed to the devices through the processing and conveying device to be subjected to screw driving, riveting, buckle mounting and taking-out operations, so that the system can automatically complete each procedure of door plate assembling and conveying work among the procedures. Furthermore, the system also comprises a temporary mould storage device, a backflow conveying device and a door plate assembly control device, so that the switching condition of the assembled products can be automatically responded. The door panel assembly control device comprises a mold information storage part, a mold information acquisition part, a mold switching judgment part and a mold switching control part, wherein the mold information storage part stores a mold identification number and a workpiece identification number of an automobile door panel workpiece correspondingly; the mould backflow judging part can judge whether to switch the mould device according to the next mould identification number to be used and the current mould identification number; the mold switching control part can store the currently used mold device into the mold temporary storage device when switching is needed, so that the assembly line is free to place another type of mold device. As described above, by the door panel assembling system, not only can all the procedures of door panel assembling be automatically completed, but also the used die device can be temporarily stored, so that the switching of the products to be assembled can be well dealt with, a large amount of labor and time are saved, and the production efficiency of automobile door panel products and the consistency of final products are improved.

Drawings

FIG. 1 is a block diagram of a door panel assembly system according to an embodiment of the present invention;

FIG. 2 is a perspective view of a door panel placement device in an embodiment of the present invention;

FIG. 3 is a perspective view showing a partial structure of a door panel placing apparatus according to an embodiment of the present invention;

FIG. 4 is a perspective view of a mold apparatus in an embodiment of the present invention;

FIG. 5 is a perspective view of the mold apparatus of an embodiment of the present invention in an open state;

FIG. 6 is a view showing a bottom guide block of the mold device for assembling a door panel in the embodiment of the present invention;

FIG. 7 is a schematic view of the structure of the U-shaped opening and closing arm cooperating with the rotary driving mechanism in the embodiment of the present invention;

FIG. 8 is a perspective view of a mold pushing unit in an embodiment of the present invention;

FIG. 9 is a perspective view of an elevator mechanism for placing a door panel in an embodiment of the present invention;

FIG. 10 is a perspective view of a blocking mechanism for positioning a door panel in an embodiment of the present invention;

FIG. 11 is a perspective view of a check mechanism for locating a door panel in an embodiment of the present invention;

FIG. 12 is a schematic view of the positive clearance of the check mechanism for door panel placement in accordance with an embodiment of the present invention;

FIG. 13 is a schematic view of the reverse release of the check mechanism for door panel placement in accordance with an embodiment of the present invention;

FIG. 14 is a perspective view of a screwing device in accordance with an embodiment of the present invention;

FIG. 15 is a perspective view of a pressing mechanism for screwing in the embodiment of the present invention;

FIG. 16 is a schematic view showing a state where a pressing mechanism for screwing presses a mold device for assembling a door panel in an embodiment of the present invention;

FIG. 17 is a perspective view of a moving mechanism for screwing in the embodiment of the present invention;

fig. 18 is a perspective view of a first horizontal moving unit in the embodiment of the present invention;

fig. 19 is a perspective view of a second horizontal moving unit in the embodiment of the present invention;

FIG. 20 is a perspective view of the lifting unit for screwing in the embodiment of the present invention;

FIG. 21 is a top plan view of a portion of the structure of the snap-fit mounting arrangement in an embodiment of the invention;

FIG. 22 is an enlarged view of a portion within box C of FIG. 21;

FIG. 23 is a perspective view of a support portion for snap-fitting in an embodiment of the present invention;

FIG. 24 is a perspective view of a snap-fit mounting mechanism in an embodiment of the present invention;

FIG. 25 is a perspective view of a snap mount in an embodiment of the invention;

FIG. 26 is a perspective view of a snap detection unit in an embodiment of the present invention;

FIG. 27 is a perspective view of a door panel removal device in accordance with an embodiment of the present invention;

FIG. 28 is a perspective view of a door panel gripping module gripping an automobile door panel workpiece in an embodiment of the present invention;

FIG. 29 is a perspective view of a mold staging device in accordance with an embodiment of the present invention;

FIG. 30 is a top view of a mold staging device in accordance with an embodiment of the invention;

FIG. 31 is a perspective view of one end of a depositing conveyor track in an embodiment of the present invention;

FIG. 32 is a perspective view of an end of a delivery track for deposit at a different angle in accordance with an embodiment of the present invention;

FIG. 33 is a schematic illustration of reflow of a mold apparatus in an embodiment of the invention;

FIG. 34 is a schematic view of a mold apparatus with temporary storage and reflow in accordance with an embodiment of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement objects and effects of the invention easy to understand, the door panel assembling system is specifically described in the following with the embodiments and the attached drawings.

< example >

As shown in fig. 1, the door panel assembling system 1000 includes a door panel placing device 10, a screwing device 30, a riveting device 40, a snap-fitting device 50, a door panel taking-out device 60, a processing conveyor 71, a reflow conveyor 72, and a mold temporary storage device 100.

As shown in fig. 2 to 3, the door panel placing device 10 is used as a first station in the system for placing the mold device 20, and the structure thereof corresponds to the design of the mold device 20, so the structure and function of the mold device 20 will be described first.

As shown in fig. 4 to 5, the mold device 20 includes a supporting unit 21, a cover plate 22, and a connecting unit 23.

The supporting unit 21 includes a supporting frame 211, a supporting mold (not shown), and a plurality of mold fixing members 212. The supporting frame 211 is formed by welding a steel square rod and a steel sheet, and is used for carrying and supporting the mold.

As shown in fig. 6, four guide blocks 2111 are disposed below the supporting frame 211, a circular groove facing downward is disposed in the middle of each guide block 2111, and when the mold device 20 is conveyed to the assembling station, the output ends of four jacking cylinders at the assembling station can be respectively inserted into the four circular grooves to jack up the mold device 20, so as to position and fix the mold device 20.

The mold fixing members 212 are all L-shaped metal members, and are respectively mounted on the supporting frame 211, wherein a structure for mounting and supporting the mold is formed between the mold fixing members 212. The support matrix is captured between matrix fasteners 212.

The cover plate 22 is rotatably connected to the support unit 21 for pressing the door panel workpiece against the support unit 21. The cover plate 22 includes a cover plate frame 221 formed by welding aluminum profiles, a pair of stoppers 222, a plurality of press heads 223, and a U-shaped opening and closing arm 224. The pair of position-limiting members 222 are L-shaped metal members, and are respectively mounted on two sides of the cover frame 221, and when the cover 22 rotates to a position toward the supporting unit 21, the extending ends of the position-limiting members 222 abut against two sides of the cover frame 221 to perform a position-limiting function.

The pressure heads 223 are composed of metal round rods and elastic pieces wrapped at the end parts of the metal round rods, the other ends of the metal round rods are welded on the cover plate frame 221, the metal round rods are perpendicular to the surface direction of the cover plate frame 221 and extend towards the supporting unit 21, and the arrangement of the pressure heads 223 and the extension length of each pressure head 223 are matched with the surface of an automobile door plate workpiece. The pressing heads 223 are used for respectively abutting against the surface of the automobile door panel workpiece when the cover plate 22 is closed, so that the automobile door panel workpiece is pressed and fixed.

As shown in fig. 7, the U-shaped opening and closing arm 224 is a substantially U-shaped metal member, and is fixedly mounted on the side of the cover frame 221 connected to the support unit 21 by a connecting member such as a screw, the opening of the U-shape faces outward, an obtuse angle is formed between the U-shaped opening and closing arm 224 and the cover frame 221, and when the cover 22 is closed, that is, the surface direction of the cover frame 221 is substantially aligned with the horizontal direction, the opening of the U-shaped opening and closing arm 224 is inclined upward. The U-shaped opening and closing arm 224 is used for being inserted into a rotation driving mechanism in the assembling station, and drives the cover plate frame 221 to rotate under the driving of the rotation driving mechanism.

The connection unit 23 is used to connect the support unit 21 and the cover plate 22, and the connection unit 23 includes a connection bracket 231, a rotation shaft 232, two pairs of bearing assemblies 233, and a damping assembly 234.

The connection bracket 231 is installed at one side of the support frame 211, and the rotation shaft 232 is installed at the connection bracket 231. The cover frame 221 is mounted on the rotation shaft 232 by two pairs of bearing assemblies 233 to be rotatable along the rotation shaft 232. The cover frame 221 has a side middle portion connected to the connection bracket 231 through a damping member 234, and the damping member 234 serves to limit the rotational speed of the cover 22.

It should be noted that, since the door plank products have various models, and there are various different mold devices 20 corresponding to the door plank products, the structure of the cover plate frame 221, the structure and the distribution of the press heads 223 are different, but the overall size of all the mold devices 20 is consistent, so that the door plank products can be transferred by using the conveying mechanism with the same structure. In addition, in this embodiment, be provided with electronic tags (RFID) on the car door plant work piece, read the type of this electronic tags identifiable work piece. A product detection sensor (not shown) for reading the electronic tag is provided on the die device 20, and electric power is transmitted to the product detection sensor through a wireless energy rod. The bottom of the mold device 20 is also provided with an electronic tag, and the model of the mold device 20 can be identified by reading the electronic tag. A mold detection sensor for reading the electronic tag is provided in the door panel placing device 10.

As shown in fig. 2 to 3, the door panel placing device 10 includes a door panel placing mechanism 11, a door panel placing elevating mechanism 15, and a door panel placing blocking mechanism. The door plate placing mechanism 11 is used for positioning, opening, closing and pushing the mold device 20 of the current station, and the door plate placing mechanism 11 includes a mold pushing unit 12, a jacking positioning portion 13 and a rotation driving portion 14.

As shown in fig. 8, the mold pushing unit 12 includes two parallel chain conveying rails 121, a driving shaft 122, and a chain rail driving motor 123.

The distance between the two chain conveying rails 121 is adapted to the width of the mold device 20, and the mold device 20 is placed on the rails and conveyed. In this embodiment, the chain conveying track 121 adopts a multiple chain, which can accelerate the conveying beat. Two ends of the transmission shaft 122 are respectively connected to two driving gears of the two chain-type conveying tracks 121 through bearing assemblies, and the two chain-type conveying tracks 121 are driven by the chain-type track driving motor 123 to synchronously convey.

Jacking location portion 13 includes four jacking cylinders 131, all sets up on the bracket in door plant placer 10, and four jacking cylinders 131 distribute on rectangular four angles, and lie in unified vertical height, and four jacking cylinders 131 arrange with four locating piece 2111's of mold device 20 bottom arrange corresponding, and jacking cylinder 131's output and locating piece 2111's circular positioning groove phase-match can imbed in the circular positioning groove. When jacking positioning is performed, the four jacking cylinders 131 perform jacking simultaneously, and the output ends of the jacking cylinders are abutted to the bottom surface of the circular positioning groove, so that the mold device 20 is stably jacked and positioned in the current station.

As shown in fig. 6, the rotary driving part 14 is used for rotating the cover plate 22 of the mold device 20 to open or close, and the rotary driving part 14 includes a rotary driving motor 141, a rotary transmission assembly 142, and a rotary limiting assembly 143.

The rotation transmission assembly 142 includes a bearing 1421, an opening and closing bar 1422, and a circular pushing member 1423. The opening and closing bar 1422 has two circular ends, one end of which is larger than the other end, and a circular mounting hole is opened on the larger end, the opening and closing bar 1422 is mounted at the output end of the rotary driving motor 141 through the circular mounting hole and the bearing 1421, and the opening and closing bar 1422 can swing in a vertical plane under the driving of the rotary driving motor 141. The circular pushing member 1423 is rotatably mounted on the smaller end of the opening/closing rod 1422 through a connecting member such as a bolt and a nut, and the diameter of the circular pushing member 1423 matches the opening width of the U-shaped opening/closing arm 224 of the mold device 20, and can be inserted into the U-shaped opening and push one side of the U-shaped opening, thereby driving the cover plate 22 to open and close.

When the mold device 20 is lifted by the lift positioning portion 32, the circular pushing member 1423 of the opening/closing lever 1422 is inserted into the U-shaped opening of the U-shaped opening/closing arm 224 of the mold device 20.

The rotation limiting assembly 143 includes four louver plates 1431 and four proximity sensors 1432 to limit the maximum stroke of the opening and closing bar 1422. The proximity sensors 1432 are all installed in the slit of the slit plate 1431, and two proximity sensors 1432 are installed above the output end of the rotary driving motor 141, and the other two proximity sensors are installed below. When the upper and lower proximity sensors 1432 sense the open/close bar 1422, it indicates that the cover 22 is open.

As shown in fig. 2 and 9, the door panel placing lifting mechanism 15 includes a support frame 151, a plurality of vertical guide rails 152, a bracket 153, a lifting transmission assembly 154, a lifting drive motor 155, and a counterweight cylinder 156.

The support frame 151 includes two shorter front support rods 1511 and two longer rear support rods 1512 to provide support for lifting. Four vertical guide rails 152 are mounted on the four support rods, respectively. The bracket 153 is a metal frame for supporting the door panel placing mechanism 11 and the mold device 20 thereon and driving them to ascend and descend. The bracket 153 is L-shaped when viewed from the side, and a plurality of sliders 1531 are mounted thereon and slidably engaged with the four vertical guide rails 152, respectively, to form a guiding engagement. Further, a reader (not shown) is provided on the carriage 153 for reading the electronic tag on the mold device 20 placed on the carriage 153.

The lifting driving motor 155 drives the carriage 153 to be lifted and lowered through the lifting transmission assembly 154.

The lifting transmission assembly 154 includes a screw 1541 disposed between the two rear support rods 1512 and extending in the vertical direction, a screw nut (not shown in the figure) mounted on the screw 1541, and a switching block 1542 mounted on the screw 1541 and pressed against by the screw nut, the bracket 153 is disposed on the screw 1541 through the switching block 1542, and the screw 1541 drives the bracket 153 to lift under the driving of the lifting driving motor 155.

The weight cylinder 156 is provided on the elevation driving motor 155 to lift the elevation driving motor 155 upward, thereby reducing a load on one side of the elevation driving motor 155.

Two ends of the mold pushing unit 12 in the conveying direction are respectively provided with a door plate placing blocking mechanism 17 and a door plate placing check mechanism 16, and the door plate placing blocking mechanism and the door plate placing check mechanism are used for limiting the mold device 20 in the current station after the mold device is conveyed in place, so that the condition of wrong conveying is avoided.

As shown in fig. 10, the door panel placing blocking mechanism 17 is provided between the two chain conveyor rails 121 and on a side close to the next station for preventing the mold device 20 from being conveyed forward by mistake, and the door panel placing blocking mechanism 17 includes a blocking support 171, a blocking member 172, a blocking wheel 173, and a blocking air cylinder 174.

The supporting member 171 for blocking and the blocking member 172 are both formed of a special-shaped metal, the supporting member 171 for blocking is mounted on the upper end of the cylinder 174 for blocking, and the output end (piston rod) of the cylinder 174 for blocking is passed through the through hole in the middle of the supporting member 171. A protruding portion of the middle of the stopper 172 is hinged to the stopping support 171 to be rotatable with respect to the stopping support 171, and one end of the stopper 172 abuts against an output end of the stopping cylinder 174 and the other end thereof is mounted with a pair of stopping wheels 173. In the state of fig. 10, the output end of the blocking cylinder 174 is retracted, and the blocking wheel 173 is higher than the height of the two chain conveying rails 121, so that the mold devices 20 placed on the chain conveying rails 121 can be blocked. When the output end of the blocking cylinder 174 extends, the blocking member 172 is pushed to rotate, and the blocking wheel 173 at one end thereof is driven to rotate to a height lower than the upper surface of the chain conveyor track 121, so that the loaded mold device 20 can be released.

As shown in fig. 11, the door panel placing check mechanism 16 is disposed between the two chain conveying rails 121 and on a side close to the previous station for preventing the mold device 20 from erroneously flowing back, and the door panel placing check mechanism 16 includes a check base 161, a check support 162, a link 163, a check 164, and a check drive cylinder 165.

The release preventing support 162 is a special-shaped metal member and is mounted on the base 161 by a connecting member such as a screw. The blocking support 162 has a sloping edge 1621 on the side close to the blocking member 164, and a rectangular groove 1622 penetrating in the conveying direction is formed on the upper portion.

The connecting rod 163 has one end rotatably connected in the square groove 1622 and the other end mounted with the check member 164. When the connecting rod 163 is horizontal, there is a certain gap between the connecting rod 163 and the lower edge of the square groove 1622.

The check member 164 is a deformed metal member having a weight portion 1641 and an abutment blocking portion 1642. The weight portion 1641 is located below, and two weight plates 166 are attached to one side thereof. An abutment stop portion 1642 extends obliquely upward from above the weight portion 1641 forming a wedge-shaped end portion for stopping the die arrangement 20. A through pivot hole 1643 is formed at a connection portion of the weight portion 1641 and the contact blocking portion 1642, and the check member 164 is rotatably mounted to the other end of the connecting rod 163 through the pivot hole 1643 and the rotation shaft.

As shown in fig. 12, since the check member 164 is provided at one side thereof with the weight plate 166, in an initial state (i.e., when the piston rod of the check driving cylinder 165 is retracted), the link 163 is slightly extended obliquely downward, and the uppermost end of the wedge-shaped end portion of the check member 164 is substantially flush with the uppermost end of the blocking support member 162, thereby releasing the mold apparatus 20 in the reverse direction of D1.

As shown in fig. 13, when the piston rod 1651 is extended, when the mold device 20 moves in the direction D1 past the door panel placing barrier mechanism 16, the mold device 20 presses the abutting barrier portion 1642 of the barrier 164 downward, and the barrier 164 rotates counterclockwise to release the mold device 20, that is, the mold device 20 has a one-way release function.

The door panel placing device 10 further includes an operation terminal, and a worker places the door panel workpiece to be assembled into the mold device 20, and can confirm and start the assembly process through the operation terminal.

As shown in fig. 14, the screwing device 30 includes, as a second station, a screwing pressing mechanism 31, a screwing moving mechanism 32, and a screwing mechanism.

As shown in fig. 15 to 16, a screw-driving pressing mechanism 31 is attached to the holder and can press the die assembly 20. The screw driving pressing mechanism 31 includes a pressing unit 311, a jacking unit 312, and a protective guard 313.

The pressing unit 311 includes two pressing blocks 3111 symmetrically disposed above the cover plate 22 and capable of pressing the cover plate 22. Compact block 3111 includes mainboard 31111, bottom plate 31112 that sets up in mainboard 31111 bottom and strengthening rib 31113 of connecting mainboard 31111 and bottom plate 31112. Mainboard 31111 is connected on the support, and strengthening rib 31113 sets up in mainboard 31111 side.

The jacking unit 312 can push the mold apparatus 20 to ascend, and includes a plurality of jacking blocks 3121 and a jacking driving assembly 3122. The jacking block 3121 is a rectangular block, and is disposed below the supporting unit, for supporting the mold device 20.

As described above, the bottom of the supporting unit 21 has four positioning blocks 2111, and the four positioning blocks 2111 have positioning grooves. The jacking unit 312 further includes positioning columns 3123, and the positioning columns 3123 are disposed at the top of each jacking block 3121, and are adapted to the positioning grooves, and are used for positioning the mold apparatus 20. In this embodiment, the number of the positioning columns 3123 is two, and the two positioning columns are disposed on the two diagonal jacking blocks 3121.

The quantity of jacking drive assembly 3122 equals with jacking piece 3121's quantity, and jacking drive assembly 3122 is connected with jacking piece 3121 one-to-one, can drive jacking piece 3121 and drive mould device 20 and rise to make apron 22 and compact heap 3111 butt. Each of the jacking drive assemblies 3122 includes a cylinder main body 31221, a push rod 31222, and two guide rods 31223. The cylinder body 31221 has guide passages 31221a fitted to the guide rods 31223 at both sides. One end of the guide rod 31223 is movably inserted into the cylinder body 31221 through the guide passage 31221a, and the other end is connected to the jacking block 3121. The push rod 31222 is parallel to the two guide rods 31223, one end of the push rod 31222 is connected to the cylinder main body 31221, and the other end is connected to the jacking block 3121, and the push rod 31222 is driven by the cylinder main body 31221 to move up and down, thereby driving the jacking block 3121 to move up and down.

The protective barrier 313 is positioned above the cylinder main body 31221, and is attached to the bracket by a plurality of fasteners, thereby protecting the cylinder main body 31221. The protective baffle 313 is provided with a jacking hole 3131 adapted to the jacking block 3121, and the jacking hole 3131 can allow the jacking block 3121 to pass through when lifting.

When the mold device 20 on which the automobile door panel workpiece is placed is moved to the current station, the four sets of jacking driving assemblies 3122 drive the four jacking blocks 3121 to ascend synchronously, the positioning columns 3123 at the tops of the jacking blocks 3121 are inserted into the positioning grooves at the bottom of the supporting unit 21 to position the mold device 20, and the jacking blocks 3121 continue to ascend to support the mold device 202 on the upper layer conveying unit 711 until the cover plate 22 abuts against the pressing block 3111, so that the mold device 20 and the automobile door panel workpiece therein are pressed. Then, the screw driving operation of the station can be carried out. That is, when the second station performs the screwing operation, the mold device 20 does not open the cover but can operate through the gap between the metal rods of the cover plate 22. Similarly, the assembly operation of the third and fourth stations does not need to open the cover. And in the first station, the cover plate 22 needs to be opened to place the automobile door plate workpiece, and in the fifth station, the cover plate 22 needs to be opened to carry out shooting inspection on the assembled automobile door plate.

The end of the screw driving mechanism is similar to a screwdriver in shape and can rotate and press down to drive a screw, which is prior art and is not described in detail. As shown in fig. 17, the screwing moving mechanism 32 is used to drive the screwing mechanism to move to each predetermined screwing position. The screwing movement mechanism 32 includes a first horizontal movement unit 321, a second horizontal movement unit 322, and a screwing elevating unit 323.

As shown in fig. 18, the first horizontal moving unit 321 includes a first driving member (motor), a first guide rail 3212, and two first moving members 3213 movably fitted on the same first guide rail 3212. The first driving member is connected to the first moving member 3213 through a screw structure, so as to drive the first moving member 3213 to move along the first guide rail 3212. The two second horizontal moving units 322 are respectively and correspondingly mounted on the two first moving members 3213.

As shown in fig. 19, each second horizontal moving unit 322 includes a second driving member 3221, a second guide track 3222, and a second moving member 3223 movably sleeved on the second guide track 3222. The second driving element 3221 is a motor, and is connected to the second moving element 3223 through a lead screw structure, so as to drive the second moving element 3223 to move along the second guiding track 3222. The longitudinal direction of the second guide rail 3222 is perpendicular to the longitudinal direction of the first guide rail 3212.

The two screwing elevating units 323 are disposed on the second moving member 3223, and are respectively and correspondingly mounted on the two second horizontal moving units 322.

As shown in fig. 20, each screwing elevating unit 323 includes an elevating drive member 3231, an elevating rail 3232, and a mounting member 3233 provided on the elevating rail 3232 so as to be elevatable. The elevating driving member 3231 is a motor, and is connected to the mounting member 3233 through a screw structure, for driving the mounting member 3233 to move along the elevating rail 3232. The length direction of the lifting track 3232 is perpendicular to the plane of the first and

second rails

3212, 3222. The mounting part 3233 is used for mounting the screwing mechanism 33, so that the screwing mechanism 33 can be driven by the mounting part 3233 to move synchronously, and thus, screwing operation is performed on different positions on the workpiece of the automobile door panel.

The riveting device 40 is used as a third station and comprises a pressing mechanism for riveting, a moving mechanism for riveting and a riveting mechanism, wherein the structure of the pressing mechanism for riveting is consistent with that of the pressing mechanism 31 for screwing, the structure of the moving mechanism for riveting is consistent with that of the moving mechanism 32 for screwing, and the riveting mechanism is a structure in the prior art and is not repeated.

As shown in fig. 21 to 22, the snap-fitting device 50 as a fourth station includes a pressing mechanism 51 for snap-fitting, a supporting portion 52 for snap-fitting, a snap feeder 53, a snap-fitting mechanism 54, and a plurality of inductors 55.

The structure of the clip-mounting pressing mechanism 51 is identical to that of the screwing pressing mechanism 31.

As shown in fig. 23, the supporting portion 52 for mounting and supporting the buckle for the buckle mounting mechanism 54 to catch, the supporting portion 52 for mounting the buckle is a supporting platform, and has a receiving slot 521 and a receding slot 522 which are mutually communicated, wherein the width and the depth of the receiving slot 521 are both smaller than the receding slot 522, and both sides of the receiving slot 521 in the width direction are step-shaped and are adapted to the structure of the buckle. The receiving groove 521 is used for receiving the buckles conveyed by the buckle feeding portion 53, and the abdicating groove 522 is used for abdicating the corresponding conveying structure of the buckle feeding portion 53, which will be described in detail below with reference to the corresponding structure of the buckle feeding portion 53.

The clip supply portion 53 includes a vibration plate 531, a discharge passage 532, and a clip pushing unit 533.

The vibration plate 531 arranges a plurality of disordered snaps in order and sequentially outputs the arranged snaps in a vibration manner, which is the prior art.

One end of the discharging channel 532 is connected with the output end of the vibrating disk 531, the other end is connected to the supporting part 52 for mounting the buckle, the width of the discharging channel 532 is slightly wider than the width of the single buckle, and the discharging channel is used for conveying the arranged buckles to the supporting part 52 for mounting the buckle one by one so as to be grabbed and mounted by the buckle mounting mechanism 54.

The buckle pushing unit 533 includes a pushing frame 5331 and a pushing cylinder 5332 for driving the pushing frame 5331 to move, and is used for pushing the buckle on the supporting portion 52 for buckle installation in place, so as to facilitate the grabbing of the buckle mounting mechanism 54. The yielding groove 522 of the support part 52 for mounting the buckle is used for yielding the end part of the pushing frame 5331, namely the end part of the pushing frame 5331 can extend into the yielding groove 522 to push the buckle in the receiving groove 521 to a proper position.

A plurality of sensors 55 are respectively mounted on the clip mounting support parts 52, wherein a pair of the sensors 55 are used for sensing whether the clip is conveyed to the receiving groove 521, so that the operation of pushing the clip in place can be carried out; a pair of sensors 55 for sensing whether the buckle has been pushed in place, so that the operation of grabbing and mounting can be performed; the other sensors 55 are also used for sensing and judging whether the buckle is grabbed away or not, and the like, so that automatic control can be realized.

As shown in fig. 24, the clip mounting mechanism 54 is for grasping and mounting a clip to a predetermined position on an automobile door panel workpiece, and includes a robot 541, a clip mounting member 542, a clip-mounting-member attachment frame 543, and a clip detection unit 544.

The robot 541 includes a robot holder 5411, a first horizontal rotation unit 5412 for snap-fitting, a second horizontal rotation unit 5413 for snap-fitting, and a lifting unit 5414 for snap-fitting.

The first horizontal rotation unit 5412 for snap fitting is rotatably provided on the manipulator fixing base 5411, and the first horizontal rotation unit 5412 for snap fitting includes a first horizontal rotation arm 54121 and a first horizontal rotation driving member. The first horizontal rotation driving member is connected to the first horizontal rotation arm 54121, and is configured to drive the first horizontal rotation arm 54121 to rotate.

The second horizontal rotation unit 5413 for snap fitting is rotatably provided on the first horizontal rotation unit 5412 for snap fitting. The second horizontal rotation unit 5413 for snap-fitting includes a second horizontal rotation arm 54131 and a second horizontal rotation driver. The second horizontal rotation arm 54131 is rotatably connected to the first horizontal rotation arm 54121, and the second horizontal rotation driving member is connected to the second horizontal rotation arm 54131 to drive the second horizontal rotation arm 54131 to rotate.

The lifting unit 5414 for snap fitting is provided on the second horizontal rotation unit 5413 for snap fitting, and drives the snap fitting member 542 to lift. In this embodiment, the lifting unit 5414 for snap fitting includes a lifting motor for snap fitting, a lifting connection rod 54142 for snap fitting, and a lifting guide 54143 for snap fitting.

The lifting motor for mounting the buckle is used for driving the lifting connecting rod 54142 for mounting the buckle to lift. One end of the lifting/lowering connecting rod 54142 for snap fitting is attached to the second horizontal pivoting arm 54131, and the other end is connected to the snap fitting 542 via the connecting bracket 543 for snap fitting. The number of the lift guide rods 54143 for snap-fitting is two, and the two lift guide rods 54143 are provided in parallel with the lift connection rod 54142 for snap-fitting, respectively, for guiding and limiting when lifting.

The snap mount mechanism 54 includes two snap mounts 542 disposed on the manipulator 541 for engaging with the snaps to move or mount the snaps.

As shown in fig. 25, the bottom of the snap mount 542 has snap retention cavities 5421, the snap retention cavities 5421 being shaped and sized to fit over the snaps. The buckle fixing cavity 5421 and the buckle are in interference fit, and the buckle is fixed through friction force. After the clip is mounted in place, the lifting unit 5414 for clip mounting drives the clip mounting member 542 to ascend, so that the clip can be separated from the clip mounting member 542.

The connecting frame 543 for snap attachment is attached to the lift connecting rod 54142 for snap attachment, and is used for connecting the snap attachment 542. In this embodiment, two clip mounting pieces 542 are provided in parallel to the clip mounting piece connecting frame 543 in the longitudinal direction of the lifting/lowering rod 54142, and two clips can be taken out at a time.

As shown in fig. 26, a buckle detection unit 544 is provided on the buckle-attachment-piece connecting frame 543 for detecting whether the buckle is attached in place. The click detection unit 544 includes a click-mounting detection motor 5441 and a detection transmission assembly 5442.

The detection motor 5441 for snap fitting is connected to the snap fitting 542 through the detection transmission assembly 5442, thereby driving the snap fitting 542 to rotate. In this embodiment, the detection motor 5441 for fitting the clip is a servo motor, and can feed back the resistance received at the time of rotation to a higher-level device such as a controller, and further determine whether the clip is fitted in place based on the magnitude of the resistance.

The detection transmission assembly 5442 comprises a driving wheel 54421, two driven wheels 54422, a synchronous belt 54423 and a tension wheel 54424. The driving wheel 54421 is connected to an output end of the detection motor 5441 for mounting the buckle, and the two driven wheels 54422 are respectively and fixedly connected to the two buckle mounting members 542.

In this embodiment, buckle mounting position department on the car door plant work piece has side open-ended buckle mounting groove. When picking up a clip, the robot arm 541 moves so that the clip mounting member 542 is positioned above the clip to be mounted, and the lifting unit 5414 for clip mounting is lowered so that the upper portion of the clip is caught in the clip fixing cavity 5421 and fixed. During installation, the mechanical arm 541 drives the buckle to move, so that the lower part of the buckle is clamped into the buckle mounting groove from the opening on the side and is fixed. During detection, under the driving of the detection motor 5441 for mounting the buckle, the driving wheel 54421 drives the driven wheel 54422 to rotate through the synchronous belt 54423, so that the buckle mounting piece 542 rotates along with the driving wheel, torsion force is applied to the buckle, and whether the buckle is mounted in place is judged according to a feedback result of the servo motor.

After the buckle is mounted in place, the lifting unit 5414 for buckle mounting drives the buckle mounting member 542 to ascend and separate from the buckle, thereby completing the mounting of the buckle.

As shown in fig. 27, the door panel pickup device 60 includes a detection camera module 61, a door panel grasping module 62, a work conveying module 63, a door panel pickup mechanism 64, and a door panel pickup elevating mechanism 65.

The detection camera module 61 includes a housing, an upper camera assembly 612, a lower camera assembly 613, and an illumination unit. The shell is made of black organic glass and is used for shielding an external light source so as to reduce the influence of light source change on shooting. The upper camera assembly 612 includes a plurality of cameras disposed above the door panel take-out mechanism 64 for capturing assembled automobile door panel workpieces from above. The lower camera assembly 613 includes a plurality of cameras disposed below (near the ground) for photographing the automobile door panel workpiece from below, and the lower camera assembly 613 and the upper camera assembly 612 are arranged in a vertically staggered manner. The lighting unit includes a plurality of lamps for providing sufficient lighting for photographing.

As shown in fig. 27 to 28, the door panel gripping module 62 includes a gripping moving part 621 and two sets of clamping members 622, and can grip and move both sides of the automobile door panel workpiece. The door panel grabbing and moving portion 621 includes a guide rail and a plurality of driving motors, and can drive the clamping assembly 622 mounted on the guide rail to move along x, y and z axes.

The clamping assemblies 622 comprise a supporting arm 6221, a support block 6222 arranged at the end part of the supporting arm 6221 and a pressing cylinder 6223 arranged above the support block 6222, the support block 6222 can support two sides of the automobile door panel workpiece, the output end of the pressing cylinder 6223 can press the two sides of the automobile door panel workpiece on the support block 6222, and the four clamping assemblies 622 simultaneously clamp four positions of the two sides of the automobile door panel workpiece, so that the automobile door panel workpiece can be clamped and stably moved.

The workpiece conveying module 63 is a belt type conveying line, and conveys automobile door panel workpieces which are shot and detected to a preset position.

Therefore, after the mold device 20 is opened, the upper surface of the automobile door panel workpiece can be firstly photographed by the upper photographing component 612, then the door panel grabbing module 62 grabs the automobile door panel workpiece to move to the upper side of the lower photographing component 613, at this time, the lower surface of the automobile door panel workpiece can be photographed by the lower photographing component 613, and then whether the assembly of the automobile door panel workpiece is qualified can be detected according to the photographing results of the two surfaces. Then the door panel grabbing module 62 places the automobile door panel workpiece on the workpiece conveying module 63, and the workpiece conveying module 63 conveys the automobile door panel workpiece to a preset position.

The door panel taking out mechanism 64 has a structure substantially identical to that of the door panel placing mechanism 11, that is, includes a mold receiving unit having the same structure as that of the mold pushing unit 121, an elevating mechanism for elevating and lowering the mold receiving unit, and the like, and the door panel taking out elevating mechanism 65 has a structure substantially identical to that of the door panel placing elevating mechanism 14, and therefore, the description thereof will not be repeated. That is, like the door plate placing device 10, the mold receiving unit is a chain type conveying track which can be lifted and can switch the conveying direction.

Fig. 14 also shows a double-deck conveyor track mounted below the screwing device 30, as well as below the riveting device 40 and the snap-fit mounting device 50.

The processing conveyor 71 includes three processing conveyor units 711 disposed at the second to fourth stations, and the three processing conveyor units 711 are disposed at the same height and in the same conveying direction, that is, the D4 direction. The reflow conveying device 72 includes three reflow conveying units 721 disposed at the second to fourth stations, and the three reflow conveying units 721 are disposed at the same height and in the same conveying direction, i.e., the D2 direction. The three return conveyance units 721 are provided directly below the three processing conveyance units 711, respectively. In this embodiment, the structures of the processing and conveying unit 711 and the backflow conveying unit 721 are the same as the structure of the mold pushing unit 12, and the chain conveying tracks are also chain conveying tracks, and in this embodiment, the chain conveying tracks all adopt speed doubling chains to speed up the speed conveying beat. In addition, the blocking mechanism and the check mechanism are provided at both ends of the three processing and conveying units 711 and the three return-flow conveying units 721, and the structures thereof are respectively the same as the blocking mechanism 17 for placing the door panel and the check mechanism 16 for placing the door panel. At the backward flow conveying unit 721, the blocking mechanism is disposed downstream in the backward flow conveying direction, and the non-return mechanism is disposed upstream in the backward flow conveying direction.

As shown in fig. 29 to 30, the mold escrow device 100 includes a deposit transport rail 110, a transfer transport rail 120, a take-out transport rail 130, a first reversing transport unit 140, a second reversing transport unit 150, a third reversing transport unit 160, and a transfer transport unit 170. The deposit conveyance rail 110, the transfer conveyance rail 120, and the take-out conveyance rail 130 are three main conveyance rails, and are sequentially connected end to form a bent conveyance rail, one end of which is disposed near the mold take-in unit 61 at the fifth station, and the other end of which is disposed near the return conveyance unit 721 at the fourth station.

The delivery rail 110 for deposit includes two linear delivery timing belt rails 111 provided in parallel, a delivery transmission shaft 112, and a delivery drive motor 113. The delivery rail 110 for deposit is delivered in the direction D1 in fig. 1.

The synchronous belt track 111 for conveying comprises a fixing frame, a driving wheel and a driven wheel which are arranged on the fixing frame, and a synchronous belt sleeved on the driving wheel and the driven wheel, and the specific structure is not described in detail in the prior art. The distance between the two conveying timing belt rails 111 is adapted to the length of the mold device 20, and both ends of the mold device 20 in the longitudinal direction are placed on the two conveying timing belt rails 111, respectively, and conveyed. Two ends of the transmission shaft 112 for conveying are respectively connected with two driving wheels through bearings, so that the two synchronous belts synchronously rotate. The driving motor 113 for conveying drives the driving pulley to rotate, and drives the synchronous belt to rotate. In the present embodiment, the conveyance drive motor 113 is a reduction motor.

The third reversing conveying unit 160 is disposed at an end of the transfer rail 110 for deposit close to the fifth station, and conveys in the direction D4, for conveying the mold device 20 on the mold receiving unit 61 of the fifth station onto the transfer rail 110 for deposit.

As shown in fig. 31 to 32, the third reversing conveyance unit 160 includes a reversing carriage 161, two parallel reversing timing belt rails 162, a reversing transmission shaft 163, a reversing drive motor 164, a reversing jack-up cylinder 165, and four reversing support members 166.

The reversing timing belt rail 161 is identical in structure to the conveying timing belt rail 111, and is different in that the interval between the two reversing timing belt rails 161 is adapted to the width of the mold device 20 and connected by a reversing bracket 161. The two reversing timing belt rails 161 are rotated in synchronization by the reversing transmission shaft 162, and the drive pulley is driven to rotate by the reversing drive motor 163. In this embodiment, the commutation drive motor 163 is also a reduction motor.

The reversing jack-up cylinder 165 is provided below the middle portion of the reversing bracket 161, and is configured to jack up the reversing bracket 161 and the two reversing timing belt rails 161 connected thereto. When the mold apparatus 20 is not lifted up, the reversing timing belt rail 161 is lower than the conveying timing belt rail 111, and the mold apparatus can normally convey the mold apparatus on the conveying timing belt rail 111. In the jacking state, the reversing timing belt rail 161 is higher than the conveying timing belt rail 111 and is flush with the mold receiving unit 61 at the fifth station, so that the mold device 20 at the fifth station can be conveyed to the third reversing conveying unit 160, and then the non-jacking state is restored, so that the mold device 20 falls onto the storing conveying rail 110.

The four reversing support units 166 are provided around the reversing jack-up cylinder 165, and are telescopic rods having springs therein, so that the reversing bracket 161 and the two reversing timing belt rails 161 connected thereto can be kept substantially horizontal during jacking up and lowering down.

One end of the transfer conveyor rail 120 is connected to an end of the depositing conveyor rail 110 away from the fifth station, and the conveying direction of the transfer conveyor rail 120 is perpendicular to the depositing conveyor rail 110. The transfer conveying rail 120 also includes two timing belt rails having a structure substantially identical to that of the depositing conveying rail 110, except that a space between the two timing belt rails of the transfer conveying rail 120 is adapted to a width of the mold device 20, and a height of the two timing belt rails of the transfer conveying rail 120 is higher than that of the depositing conveying rail 110.

The first reversing conveyance unit 140 is provided at one end of the deposit conveyance rail 110 that is in contact with the transfer conveyance rail 120, and conveys the mold device 20 at the one end of the deposit conveyance rail 110 onto the transfer conveyance rail 120. The structure thereof is substantially identical to that of the third reversing conveying unit 160, and a description thereof will not be repeated. The difference is that the first reversing conveying unit 140 conveys in the direction D2; and in the jacking state, the two timing belt tracks thereof are substantially flush with the two timing belt tracks of the transfer conveying track 120.

The takeout conveyor rail 130 is connected at one end to the other end of the transfer conveyor rail 120, and is conveyed in the direction D3 in the drawing, i.e., a direction perpendicular to the transfer conveyor rail 120 and parallel to and opposite to the deposit conveyor rail 110. The takeout conveying rail 130 is also substantially identical in structure to the depositing conveying rail 110, except that the timing belt rail is shorter and higher than the transfer conveying rail 120.

The second reversing conveyance unit 150 is provided at one end of the transfer conveyance rail 120 that is in contact with the takeout conveyance rail 130, and conveys the mold device 20 at the one end of the transfer conveyance rail 120 onto the takeout conveyance rail 130. The structure of the second reversing conveying unit is also substantially the same as that of the third reversing conveying unit 160, except that the distance between the two synchronous belt tracks of the second reversing conveying unit 150 is matched with the length direction of the mold device 20, i.e. the distance is wider, and the second reversing conveying unit conveys along the direction D3; and in the non-jacked state, the two timing belt tracks of the second reversing conveying unit 150 are lower than the two timing belt tracks of the take-out conveying track 130, and in the jacked state, the two timing belt tracks are substantially flush with the two timing belt tracks of the take-out conveying track 130.

The transfer conveyor unit 170 is provided at one end of the take-out conveyor rail 130 close to the fourth station, between the two chain conveyor rails 7211 of the return conveyor unit 721 at the fourth station, and transfers the mold device 20 at one end of the take-out conveyor rail 130 to the return conveyor unit 721 at the fourth station. The structure of the transplanting conveying unit 170 is substantially the same as that of the second reversing conveying unit 150, except that the two synchronous belt tracks are shorter than the distance between the two chain conveying tracks 7211; and in the non-jacking state, the synchronous belt track of the transplanting conveying unit 170 is lower than the chain conveying track 7211, and in the jacking state, the synchronous belt track of the transplanting conveying unit 170 is higher than the chain conveying track 7211.

Further, a blocking mechanism 190 is provided in the middle of the transfer conveying rail 120 upstream of the second reversing conveying unit 150 in the conveying direction, and a blocking mechanism 190 is provided at one end of the take-out conveying rail 130 downstream in the conveying direction for blocking or releasing the mold device 20 that reaches these positions. The structure of the blocking mechanism 190 is identical to the door panel placement blocking mechanism 16.

As shown in fig. 1, the door panel assembly system 1000 further includes a door panel assembly control device including: a production information storage unit 1001, an assembly information storage unit 1002, a mold information storage unit 1003, a door panel information acquisition unit 1004 to be assembled, a mold information acquisition unit 1005, a mold storage information storage unit 1006, a door panel placing control unit 1007, a screwing control unit 1008, a caulking control unit 1009, a snap fitting control unit 1010, a processing and conveying control unit 1011, a mold switching determination unit 1012, a mold switching control unit 1013, a mold reflow control unit 1015, a door panel take-out control unit 1016, and a door panel assembly control unit 1017 that controls the above-described units.

The production information storage section 1001 stores production information including a workpiece identification number, the number, and a production order of automobile door panel workpieces to be assembled.

The assembly information storage portion 1002 stores information of automobile door panel workpieces of various types to be assembled and corresponding assembly information, including workpiece identification numbers, workpiece types, workpiece size information, and the like, and also stores various information required during assembly, including the number and position information of screws, the number and position information of rivets, the number and position information of mounting fasteners, and the like.

The die information storage unit 1003 stores information of each model of the die device 20, including a die identification number, a die model number, die size information, and the like, and stores a workpiece identification number of an automobile door panel workpiece corresponding to each die device 20.

The to-be-assembled door panel information acquisition section 1004 acquires the workpiece identification number and the corresponding assembly information of the next automobile door panel workpiece to be assembled from the assembly information storage section 1001.

The mold information acquisition section 1005 acquires the corresponding mold identification number, that is, the mold identification number of the mold apparatus 20 to be used next, from the mold information storage section 1003 based on the workpiece identification number acquired by the door panel information acquisition section 1004 to be assembled.

The mold storage information storage unit 1006 stores the number of mold devices 20 stored in the mold temporary storage device 100 and the mold identification numbers of the respective mold devices 20.

The door panel placing control portion 1007 is used for controlling the operation of the door panel placing device 10 at the first station, controlling the door panel placing device 10 to open the mold device 20, and after a worker places an automobile door panel workpiece to be assembled into the mold device 20 and confirms the workpiece through an operation terminal, controlling the door panel placing device 10 to close the mold device 20.

The screw driving control unit 1008 controls the operation of the screw driving device 30 at the second station, controls the screw driving device 30 to drive the screws in sequence according to the number and positions of the screws in the assembly information, and sends a screw driving completion signal after all the screws are driven.

The riveting control part 1009 is configured to control the operation of the riveting device 40 at the third station, control the riveting device 40 to sequentially rivet each position according to the number and position of rivets in the assembly information, and send a riveting completion signal after the riveting at all positions is completed.

The buckle installation control part 1010 is configured to control the operation of the buckle installation device 50 at the fourth station, control the buckle installation device 50 to sequentially install the buckles according to the buckle installation number and the buckle installation positions in the assembly information, and send a buckle installation completion signal after all buckles are installed.

The processing and conveying control unit 1011 controls the processing and conveying process of the mold apparatus 20, and includes: a processing lifting control unit 10115, a first processing conveyance control unit 10111, a second processing conveyance control unit 10112, a third processing conveyance control unit 10113, and a fourth processing conveyance control unit 10114.

The processing elevation control unit 10115 controls the mold pushing unit 12 and the mold receiving portion to be elevated to be flush with the processing conveying unit 711 when the assembling worker confirms that the workpiece is placed through the operation terminal of the first station.

After the first processing and conveying control unit 10111 is lifted, the first processing and conveying control unit 10111 controls the mold pushing unit 12 and the processing and conveying unit 711 below the screwing device 30 to convey the mold device 20 from the first station to the second station, and specifically, the following control operations are performed in sequence:

controlling the release of the blocking mechanism of the mold pushing unit 12;

controlling the chain type conveying tracks of the mold pushing unit 12 and the processing conveying unit 711 to work simultaneously, conveying the mold device 20 to the processing conveying unit 711, and stopping conveying when the mold detection sensor at the second station reads the electronic tag at the bottom of the mold device 20;

controlling a blocking mechanism at the mold pushing unit 12 to block.

The second processing and conveying control unit 10112, upon receiving the screw-driving completion signal, controls the two processing and conveying units 711 below the screw-driving device 30 and below the riveting device 40 to convey the die device 20 from the second station to the third station.

The third processing and conveying control unit 10113, upon receiving the riveting completion signal, controls the two processing and conveying units 711 below the riveting device 40 and below the snap fitting device 50, and conveys the mold device 20 from the third station to the fourth station.

When receiving the buckle installation completion signal, the fourth processing and conveying control unit 10114 controls the mold receiving portion at the fifth station to ascend and descend to be flush with the processing and conveying unit 711, controls the processing and conveying unit 711 and the mold receiving portion below the buckle installation device 50, and conveys the mold device 20 from the fourth station to the fifth station.

The specific control processes of the second to fourth processing and conveying control units are basically the same as those of the first processing and conveying control unit, and the description is not repeated.

When the mold apparatus 20 is conveyed to the fifth station, the mold switching determination unit 1012 determines whether the mold apparatus 20 needs to be switched for the next door panel to be assembled, that is, determines whether the mold identification number acquired by the mold information acquisition unit 1005 is consistent with the current mold identification number, and that is, the mold switching is performed if the mold identification number is inconsistent with the current mold identification number.

The mold switching control unit 1013 controls the process of switching the mold device 20 when the mold switching determination unit 1012 determines yes, and includes: a storage determination unit 10131, a mold storage control unit 10132, a mold removal determination unit 10133, a mold removal control unit 10134, a mold transfer control unit 10135, a mold removal determination unit 10136, and a mold removal backflow control unit 10137.

The storage determination unit 10131 determines whether the mold devices 20 can be stored into the mold temporary storage device 100, and if the number of the stored mold devices 20 is equal to the maximum value that can be stored, it is determined that the mold devices are not stored again, and a corresponding prompt message may be generated.

The mold deposit control unit 10132 controls the door panel take-out device 60 and the mold temporary storage device 100 to cooperate to deposit the mold device 20. Specifically, the lifting cylinder for reversing of the third reversing and conveying unit 160 is controlled to lift the synchronous belt track for reversing, and the mold receiving unit 641 is controlled to descend to be flush with the synchronous belt track; then, the third reversing conveying unit 160 and the mold receiving unit 641 are controlled to synchronously convey along the direction D4, and the mold device 20 is conveyed to the third reversing conveying unit 160; then, the third reversing conveying unit 160 is controlled to descend, and the mold device 20 is placed at the end of the delivery track 110 for deposit; the three transfer rails and the reversing transfer unit are then operated according to the number of the newly stored mold devices 20 to transfer the newly stored mold devices 20 to a position adjacent to the last stored mold device 20.

In this embodiment, the temporary mold storage device 100 can store 6 mold devices 20.

There are 0, the 1 st case is stored: the mold device 20 is conveyed to the take-out conveying rail 130;

1 is stored, and the 2 nd case is stored: the mold device 20 is conveyed to one end of the transfer conveying rail 120 and the second reversing conveying unit 150, and the second reversing conveying unit 150 is lifted after being conveyed to the proper position;

there are 2, the case of the 3 rd is stored: the mold device 20 is conveyed to the middle of the transfer conveying rail 120;

there are 3, the 4 th case is stored: the mold device 20 is conveyed to one end of the conveying track for storing and the first reversing conveying unit 140, and the first reversing conveying unit 140 is lifted after the mold device is conveyed to the proper position;

the same can be done for the 5 th and the 6 th. That is, the stored mold devices 20 are all arranged adjacent to each other without any empty space therebetween.

When one mold device 20 is stored, the corresponding mold identification number is also stored in the mold storage information storage unit 1006, and the stored number is increased by 1.

The mold removal determining unit 10133 determines whether or not the stored mold device 20 is removed from the mold temporary storage device 100, that is, whether or not there is the mold identification number acquired by the mold information acquiring unit 1005 among the one or more mold identification numbers stored in the mold storage information storing unit 1006.

When the mold removal determining unit 10133 determines yes, the mold removal control unit 10134 controls the mold temporary storage device 100 to remove the mold device 20 stored on the removal conveyance rail 130 and place the mold device on the return conveyance unit 721 below the fourth station. Specifically, the transplanting conveying unit 170 is first controlled to be lifted; then, the taking-out conveying rail 130 and the transplanting conveying unit 170 are controlled to synchronously convey, and the mold device 20 is conveyed to the transplanting conveying unit 170; the transfer unit 170 is then controlled to descend, and the mold device 20 is placed on the return transfer unit 721 below the fourth station. In addition, the mold removal control unit 10134 controls the mold temporary storage device 100 to move the remaining stored mold devices 20 by one storage position in the storage and transportation direction after one mold device 20 is removed, so as to remove the next mold device 20 later, and the specific control process is similar to the storage process.

When one mold device 20 is taken out, the corresponding mold identification number is also removed from the mold storage information storage unit 1006, and the stored number is reduced by 1.

The mold transfer control unit 10135 controls the return-flow conveying device 72 and the door panel placing device 10 to convey one mold device 20 to the first station after the mold device 20 is taken out by the mold take-out control unit 10134. Specifically, the three reflow conveying units 721 are controlled to convey the mold device 20 to the reflow conveying unit 721 below the second station; then, the mold pushing unit 12 is controlled to descend to be flush with the backflow conveying unit 721; the reflow conveying unit 721 is controlled to convey the mold device 20 to the mold-pushing unit 12 in synchronization with the mold-pushing unit 12.

The taken-out mold determination unit 10136 determines whether the taken-out mold device 20 is to be used for the next door panel. Specifically, after the mold device 20 is taken out and conveyed to the first station, the mold identification number of the mold device 20 is read by the mold detection sensor at the first station, and it is determined whether the mold identification number is consistent with the mold identification number acquired by the mold information acquisition part 1005, that is, the mold device 20 to be used at the first station is currently used, and then the assembly of the next door panel can be started; if there is no match, the stored mold apparatus 20 can be removed again.

The mold removal backflow control unit 10137 controls the door panel placing device 10, the processing and conveying device 71, and the door panel removal device 60 to backflow the unmatched mold devices 20 when the mold removal determination unit 10136 determines no. Specifically, the mold pushing unit 12 and the mold receiving unit 641 are controlled to be raised to be flush with the processing and conveying unit 711; then, the mold pushing unit 12, the three processing and conveying units 711 and the mold receiving unit 641 are controlled to convey, and the mold device 20 is conveyed to the fifth station. The mold storage control unit 10132 then stores the unmatched mold device 20 into the mold temporary storage device 100 again.

The mold-return control unit 1015 controls the process of returning the mold apparatus 20 when the mold-switching determination unit 1012 determines no, and returns the mold apparatus to the first station to be used again. Specifically, the mold pick-up unit 641 is first controlled to descend to be flush with the reflow delivery unit 721; then, the mold receiving unit 641 and the backflow conveying unit 721 below the fourth station are controlled to synchronously convey, and the mold device 20 is conveyed below the fourth station; the control procedure thereafter coincides with the mold transfer control unit 10134, and description thereof is not repeated.

The door panel take-out control unit 1016 controls the operation of the door panel take-out device 60. Specifically, door panel take-out mechanism 64 is first controlled to open mold apparatus 20; then, the upper camera assembly 612 is controlled to shoot the door panel from the upper part; then the door panel grabbing module 62 is controlled to grab the door panel from the opened mold device 20 and transfer the door panel to one side; then, the lower camera assembly 613 is controlled to shoot the door panel from below; and finally, controlling the door panel grabbing module 62 to transfer and place the door panel onto the workpiece conveying module 63 to convey the door panel to a preset position.

As shown in fig. 33-34, the process of switching or reflowing the mold apparatus 20 specifically includes the following steps:

step S1, the mold information acquisition section 1005 acquires the mold identification number of the mold device 20 to be used next, based on the production information;

step S2, the mold switching determination unit 1012 determines whether or not to perform switching based on the current mold identification number and the mold identification number acquired in step S1, and if not, the process proceeds to step S3, and if yes, the process proceeds to step S4;

step S3, without switching, the mold backflow control unit 1015 controls the mold receiving unit 641, the lower backflow conveying unit 721, and the mold pushing unit 12 to convey the mold device 20 from the fifth station to the first station for reuse, and then enters an end state;

step S4, the mold removal determining unit 10133 determines whether there is a corresponding mold in the mold temporary storage device 100, if not, the process goes to step S5, and if yes, the process goes to step S6;

step S5, if the corresponding storage is not available, the assembly worker places the corresponding die device 20 to the first station and then enters the ending state;

step S6, storing the corresponding mold device 20, and the mold taking-out control unit 10134 controlling the mold temporary storage device 100 to take out one mold device 20 and place the mold device 20 on the backflow conveying unit 721 below the fourth station, and moving the other stored mold devices 20 by one storage location along the storage conveying direction;

step S7, the mold transfer control unit 10135 controls the reflow transportation device 72 and the mold pushing unit 12 to transport the taken-out mold device 20 to the first station;

step S8, the mold removal judging unit 10136 reads the mold identification number of the mold device 20 through the reader at the first station, judges whether the mold identification number is to be used, and if yes, the process proceeds to step S9, and if no, the process proceeds to step S10;

s9, matching the taken out mold device 20, and prompting an assembly worker to place the next door panel workpiece through an operation terminal to start an assembly process;

step S10, when the mold is not matched, the mold return control unit 10137 controls the mold pushing unit 12, the upper processing and conveying unit 711, and the mold receiving unit 641 to convey the mold device 20 back to the fifth station;

in step S11, the mold deposit control unit 10132 deposits the mold device 20 with the unmatched fifth station into the mold temporary storage device 100 again, and then returns to step S6, i.e., the process of taking out the next mold device 20 to the first station for judgment is repeated until the correct mold device 20 is taken out.

After the above steps, the first station has the correct mold apparatus 20 placed therein, and the assembly process for the next door panel can proceed.

Examples effects and effects

In an embodiment, the mould switching control portion is including can depositing the judgement unit, the mould deposits the control unit in, can judge whether still can deposit next according to the quantity of the mould device that has been had to mould access unit, the third switching-over conveying unit cooperation work of depositing with conveying track one end of steerable fifth station liftable carry the mould device to deposit and keep in with on the conveying track. Further, the mold switching control part further comprises a mold taking-out judging unit, a mold taking-out control unit, a mold transfer control unit, a mold taking-out judging unit and a mold taking-out backflow control unit, so that whether the next mold device to be used exists in the currently stored mold device can be judged, when the judgment is yes, each stored mold device is taken out in sequence and conveyed to the first station for judgment, and when the judgment is not matched, the mold device is conveyed back and stored in the mold temporary storage device again until the matched mold device is taken out. Therefore, when the assembled products are switched, the automatic assembly machine can also carry out automatic treatment without manual intervention, can ensure the production efficiency and reduce the labor burden of workers.

Further, the mold devices stored in the temporary mold storage device are placed adjacent to each other without a vacant space therebetween under the control of the mold storage control unit, so that the storage space can be fully utilized, and the mold devices can be taken out with a relatively simpler control logic.

The above-described embodiments are merely illustrative of specific embodiments of the present invention, and the present invention is not limited to the description of the above-described embodiments.

Claims

1. A door panel assembly system, comprising:

the door panel assembling die device is used for carrying an automobile door panel workpiece to be assembled, and is provided with an electronic tag for storing a die identification number;

the door plate placing device, the screwing device, the riveting device, the buckle mounting device and the door plate taking-out device are sequentially arranged and are respectively used for placing the door plate assembling die device, screwing, riveting and buckle mounting the automobile door plate workpiece of the door plate assembling die device and taking out the assembled automobile door plate workpiece;

the processing and conveying device is used for conveying the door plate assembling die device along a preset processing and conveying direction;

a return flow conveying device for conveying the door panel assembling die device along a predetermined return flow conveying direction;

the mould temporary storage device is used for storing and conveying the mould device for door plate assembly; and

door plant assembly controlling means for to the assembly process of car door plant work piece controls, and it includes at least:

a die information storage unit for storing die identification numbers of the die devices for assembling the door panel and corresponding workpiece identification numbers of the workpieces of the automobile door panel;

the die information acquisition part is used for acquiring the corresponding die identification number according to the input workpiece identification number of the next automobile door panel workpiece to be assembled;

a mold switching determination unit configured to determine whether to switch between different types of mold devices for door panel assembly based on the current mold identification number and the mold identification number acquired by the mold information acquisition unit;

and the mould switching control part controls the door plate taking device and the mould temporary storage device to work in a matching way when the mould switching judgment part judges that the door plate is positive, and stores the door plate assembling mould device at the door plate taking device into the mould temporary storage device.

2. A door panel assembly system as claimed in claim 1, wherein:

wherein the door plate taking-out device is provided with a die receiving unit used for receiving the die device for door plate assembly from the processing and conveying device,

the mold temporary storage device comprises:

the delivery track for storage, the delivery track for transfer and the delivery track for taking out are sequentially connected and used for carrying and delivering the die device for door panel assembly;

a third reversing conveying unit arranged at one end of the delivery track for storing and used for butt-jointing the mould device for assembling the door plate with the mould receiving unit and placing the mould device on the delivery track for storing and storing temporarily,

the mold switching control unit includes:

and the mould storing control unit is used for controlling the mould receiving unit and the third reversing conveying unit to work in a matched mode, and the mould receiving unit is used for transferring the mould device for door plate assembly to the storing conveying track for temporary storage.

3. A door panel assembly system according to claim 2, wherein:

wherein the mould receiving unit comprises two chain type conveying tracks which are arranged in parallel,

the door plate taking-out device is also provided with a door plate taking-out lifting mechanism for driving the mould receiving unit to lift,

the delivery track for deposit comprises two parallel delivery synchronous belt tracks,

the third reversing conveying unit is arranged between the two conveying synchronous belt tracks and comprises two parallel reversing synchronous belt tracks and a reversing jacking cylinder arranged below the reversing synchronous belt tracks, the reversing synchronous belt tracks are respectively higher and lower than the chain type conveying tracks in a jacking state and a non-jacking state,

the mould is deposited in the control unit and is controlled earlier the switching-over will with the jacking cylinder synchronous belt track jack-up is used in the switching-over, and control the door plant takes out and will with elevating system chain convey track lift to with synchronous belt track parallel and level is used in the switching-over, then control synchronous belt track is used in the switching-over with chain convey track synchronous conveying, will door plant assembly is carried extremely on the synchronous belt track is used in the switching-over, the control again the switching-over will with the jacking cylinder the switching-over will with synchronous belt track put down, will door plant assembly is placed with die set on the conveying track is used in the storage.

4. A door panel assembly system according to claim 3, wherein:

wherein the transfer conveying track and the taking-out conveying track also comprise two conveying synchronous belt tracks which are arranged in parallel,

the conveying direction of the conveying track for transfer is vertical to both the conveying track for deposit and the conveying track for taking out,

the mould temporary storage device further comprises:

the first reversing conveying unit is arranged at one end, connected with the transfer conveying rail, of the delivery conveying rail, is positioned between the two conveying synchronous belt rails, and is used for reversing and conveying the door plate assembly mold device on the delivery conveying rail to the transfer conveying rail; and

the second reversing conveying unit is arranged at one end of the transfer conveying track, connected with the taking-out conveying track, is positioned between the two conveying synchronous belt tracks and is used for reversing and conveying the door plate assembly mold device on the transfer conveying track to the taking-out conveying track,

when depositing in door plant is mould device for assembly, the mould is deposited in the unit and is still controlled deposit in with transfer track for transfer take out with transfer track first switching-over transfer unit second switching-over transfer unit cooperation work will deposit in door plant assembly mould device carries to depositing in with last door plant assembly mould device is adjacent the position and keeps in.

5. A door panel assembly system as claimed in claim 1, wherein:

wherein the door plate placing device is provided with a mould pushing unit which can be lifted and can switch the conveying direction and is used for placing and conveying the mould device for door plate assembly,

a mould detection sensor is arranged at the mould pushing unit and used for reading the electronic tag so as to obtain the mould identification number,

the mould temporary storage device further comprises:

a transfer unit for transferring the door panel assembling mold device temporarily stored at one end of the take-out transfer rail to the return transfer device, the transfer unit being provided in the return transfer device and near one end of the take-out transfer rail,

the door panel assembly control device further includes:

a mold storage information storage section that stores the mold identification numbers of the respective door panel assembling mold devices stored in the mold temporary storage device,

the mold switching control unit further includes:

a mold take-out judging unit that judges whether or not the mold identification number acquired by the mold information acquiring unit is present in the mold identification numbers stored by the mold storage information storing unit;

the mould taking-out control unit controls the taking-out conveying track and the transplanting conveying unit to work in a matching way when the mould taking-out judging unit judges that the mould is yes, and the temporarily stored mould devices for door plate assembly are sequentially taken out and placed on the backflow conveying device;

a mold transfer control unit that controls the return flow conveying device and the door sheet pushing unit to convey the door sheet assembly mold device to the door sheet placing device after the mold take-out control unit takes out one door sheet assembly mold device;

and the mold taking-out judging unit is used for judging whether the taken-out mold device for door panel assembly is matched with the automobile door panel workpiece to be assembled next or not according to the mold identification number read by the mold detection sensor and the mold identification number acquired by the mold identification number acquiring part.

6. A door panel assembly system according to claim 5, wherein:

wherein the backflow conveying device comprises three backflow conveying units which are respectively arranged below the screwing device, the riveting device and the buckle mounting device,

the three backflow conveying units are arranged at the same height and in the same conveying direction and respectively comprise two chain type conveying tracks which are arranged in parallel,

the transfer unit for transplantation includes:

the two parallel synchronous belt tracks for transplanting are arranged between the two chain type conveying tracks of one of the reflux conveying units, and the conveying direction of the two synchronous belt tracks is the same as that of the taking-out conveying track;

a transplanting jacking cylinder arranged below the transplanting synchronous belt track and used for jacking the transplanting synchronous belt track, wherein the transplanting synchronous belt track is respectively higher than and lower than the two chain type conveying tracks in a jacking state and a non-jacking state,

taking out during the door plant is die set for the assembly, the mould takes out the control unit and controls earlier transplant and will with the jacking cylinder transplant and use hold-in range track jack-up, then control take out with delivery track with transplant and use hold-in range track synchronous conveying, will die set for the door plant assembly carries extremely on transplanting with the hold-in range track, the control again transplant and will with the jacking cylinder transplant put down with the hold-in range track, will die set for the door plant assembly places on the chain convey track.

7. A door panel assembly system according to claim 5, wherein:

wherein the mold removal control portion further includes:

a mold take-out reflux control unit which controls the door plate placing device, the processing and conveying device and the door plate take-out device to convey the unmatched mold device for door plate assembly to the door plate take-out device when the mold take-out judging unit judges that the door plate placing device, the processing and conveying device and the door plate take-out device are not matched,

the mould is deposited the control unit and still is in door plant assembly with the mould device backward flow to door plant remove device after, control door plant remove device with mould temporary storage device cooperation work deposits this door plant assembly with the mould device again mould temporary storage device.

8. A door panel assembly system according to claim 7, wherein:

wherein, processing conveyor includes: three processing and conveying units which are respectively arranged below the screwing device, the riveting device and the buckle mounting device and are respectively positioned above the three backflow conveying units,

the three processing and conveying units are arranged at the same height and in the same conveying direction and respectively comprise two chain type conveying tracks arranged in parallel,

the door panel assembly control device further includes:

processing transport control portion for control the processing transportation process, it includes:

the processing lifting control unit is used for controlling the mould pushing unit and the mould receiving part to lift to be flush with the processing conveying unit;

the first processing and conveying control unit is used for controlling the mold pushing unit and the processing and conveying unit below the screwing device to convey the mold device for the door plate device to the position below the screwing device;

the second processing and conveying control unit is used for controlling the two processing and conveying units below the screwing device and the riveting device to convey, and conveying the die device for the door plate device to the position below the riveting device;

the third processing and conveying control unit is used for controlling the riveting device and the two processing and conveying units below the buckle mounting device to convey the die device for the door plate device to the position below the buckle mounting device;

and a fourth processing and conveying control unit for controlling the processing and conveying unit and the mold receiving part below the buckle mounting device to convey the mold device for door panel assembly to the door panel taking-out device.

9. A door panel assembly system according to claim 8, wherein:

wherein the door panel placing device further has an operation terminal for generating an assembling start signal after the operation of the assembling worker is confirmed,

the door panel assembly control device further includes:

the screw driving control part is used for controlling the screw driving device and generating a screw driving completion signal when the screw driving operation is completed;

a riveting control section for controlling the riveting device and generating a riveting completion signal when the riveting operation is completed; and

a buckle installation control part for controlling the buckle installation device and generating a buckle installation completion signal when the buckle installation operation is completed,

the first processing and conveying control unit controls the die pushing unit and the processing and conveying unit below the screwing device to convey when receiving the assembling start signal,

the second processing and conveying control unit controls the two processing and conveying units below the screw driving device and the riveting device to convey when receiving the screw driving completion signal,

the third processing and conveying control unit controls the two processing and conveying units below the riveting device and the buckle installation device to convey when receiving the riveting completion signal,

and the fourth processing and conveying control unit controls the processing and conveying unit and the die receiving part below the buckle mounting device to convey when receiving the buckle mounting completion signal.

10. A door panel assembly system according to claim 9, wherein:

wherein the mould pushing unit and the three processing and conveying units are respectively provided with a mould detection sensor for reading the electronic label,

the first processing and conveying control unit controls the die pushing unit and the processing and conveying unit below the screw device to stop conveying when the die detection sensor of the processing and conveying unit below the screw device reads the electronic tag,

the second processing and conveying control unit controls the two processing and conveying units below the screw device and the riveting device to stop conveying when the die detection sensor of the processing and conveying unit below the riveting device reads the electronic tag,

and the third processing and conveying control unit controls the two processing and conveying units below the riveting device and the buckle mounting device to stop conveying when the die detection sensor of the processing and conveying unit below the buckle mounting device reads the electronic tag.