CN110745533B - Automatic switching system of front and rear axle trays - Google Patents
Automatic switching system of front and rear axle trays Download PDFInfo
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- CN110745533B CN110745533B CN201910973011.0A CN201910973011A CN110745533B CN 110745533 B CN110745533 B CN 110745533B CN 201910973011 A CN201910973011 A CN 201910973011A CN 110745533 B CN110745533 B CN 110745533B
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- transfer station
- tray
- rear axle
- suspender
- positioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/901—Devices for picking-up and depositing articles or materials provided with drive systems with rectilinear movements only
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Abstract
The invention discloses an automatic transfer system for front and rear axle trays, which comprises a portal frame, a transfer station walking device, a transfer station lifting device and a tray lifting appliance, wherein the portal frame is provided with a portal frame; the transfer station traveling device is arranged on the portal frame and can slide back and forth along the portal frame; the transfer station lifting device is connected to the transfer station walking device and can walk along with the transfer station walking device in the horizontal direction; the tray lifting appliance is connected to the transfer station lifting device, and the transfer station lifting device drives the tray lifting appliance to move up and down; a rectangular plate of the tray lifting appliance is connected with the transfer station lifting device; the rectangular plate is provided with two cylinder fixing seats, each cylinder fixing seat is fixedly provided with two cylinders, the four cylinders respectively drive a corresponding suspender rotating shaft to rotate through a transmission device, the bottom of each suspender rotating shaft is provided with a bracket, the suspender rotating shaft penetrates through the suspender, and the suspender is fixed; and clamping and positioning devices are also arranged at the bottoms of the two suspension rods.
Description
Technical Field
The invention belongs to the field of automatic automobile conveying, and particularly relates to a flexible automatic switching system from front and rear axle pallets to an AGV.
Background
In the existing automobile chassis assembling production line, manual switching from front and rear axle trays to the AGV is completed through the KBK hoist, and the working efficiency and the automation degree are low.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention discloses an automatic front axle and rear axle tray switching system. The automatic switching device has the characteristics of accurate switching, stable and reliable operation, good stability, high automation degree and the like.
The technical scheme adopted by the invention is as follows:
an automatic transfer system for front and rear axle trays comprises a portal frame, a transfer station walking device, a transfer station lifting device and a tray hanger;
the transfer station traveling device is arranged on the portal frame and can slide back and forth along the portal frame; the transfer station lifting device is connected to the transfer station walking device and can walk along with the transfer station walking device in the horizontal direction; the tray lifting appliance is connected to the transfer station lifting device, and the transfer station lifting device drives the tray lifting appliance to move up and down;
the tray lifting appliance consists of a lifting rod, a lifting rod rotating shaft, a bracket, a clamping and positioning device and a rectangular plate; the rectangular plate is connected with the transfer station lifting device; the rectangular plate is provided with a driving device, the driving device drives four vertically arranged suspender rotating shafts to rotate, the bottom of each suspender rotating shaft is provided with a bracket, the suspender rotating shaft penetrates through the suspender, and the suspender is fixed; and clamping and positioning devices are also arranged at the bottoms of the two suspension rods.
As a further technical scheme, the driving device includes four first cylinders, two cylinder fixing seats are arranged on the rectangular plate, two first cylinders are fixed on each cylinder fixing seat, so as to form four first cylinders, and the four first cylinders respectively drive one corresponding boom rotating shaft to rotate through the transmission device.
As a further technical scheme, the bottom of each suspender is provided with a bracket closing in-place detection switch and a bracket opening in-place detection switch; the bracket is arranged on the rotating shaft of the suspender, rotates along with the rotation of the rotating shaft of the suspender, and is fixed by the two detection switches to detect whether the detection switches rotate to the position.
As a further technical scheme, the clamping and positioning device consists of a fixed seat, a second cylinder, a sliding rail, a sliding block and a clamping and positioning head; the fixed seat is arranged at the bottom of the hanging rod; the second cylinder and the sliding block are arranged on the fixed seat through a connecting plate, and the sliding block is connected with the sliding rail; the clamping positioning head is fixed on the sliding rail and is connected with a piston rod of the second air cylinder; when the piston rod of the second cylinder extends and retracts, the sliding rail and the locking positioning head are driven to extend or retract, and the locking function is realized.
Furthermore, a first detection switch and a second detection switch are fixed on one side of the slide rail; install on the connecting plate that is used for connecting the slider through the mounting bracket, first detection switch, second detection switch be used for judging press from both sides tight positioning head and move in place, guarantee system's stability and security.
Description of automatic transfer operation: the method comprises the following steps that an AGV requests the models of front and rear axle trays, a transfer station walking device automatically moves to a front axle transfer point A or a rear axle transfer point B, a transfer station lifting device descends to a grabbing position, a clamping and positioning device extends out to position the trays, a first air cylinder drives a suspender rotating shaft to rotate, and a positioning pin of a lifting appliance is aligned with a positioning hole in the front and rear axle trays; the tray is fixed; the switching station lifting device ascends to a high position, and the switching station traveling device travels to the AGV C position. The switching station lifting device descends to a part placing position, the positioning device retracts, the first air cylinder drives the thrust rotating shaft to rotate to return to the original position, and the switching station lifting device ascends to a high position to complete automatic switching of a tray.
The invention has the following beneficial effects:
the equipment has the characteristics of simple and practical structure, low manufacturing cost, high automation degree, reliable and stable mechanism operation, convenient maintenance and the like, and is suitable for multi-station flexible production. Is one of practical equipment of a final assembly production line, and has the advantages of compact structure, improved production efficiency and reduced labor intensity of operators compared with the manual switching currently used.
Drawings
FIG. 1 is an overall block diagram of the present invention;
fig. 2 and 3 are schematic structural views of the walking device in the invention;
fig. 4 and 5 are schematic structural views of the lifting device in the invention;
fig. 6, 7 and 8 are schematic structural views of the whole pallet sling of the invention;
FIG. 9 is a structural view of the overall installation of the pallet spreader on the lifting device;
FIG. 10 is a block diagram of the clamp positioning device;
in the figure: the automatic transfer system comprises a transfer station walking device 1, a transfer station lifting device 2, a tray lifting device 3, a front axle transfer point A, a rear axle transfer point B and an AGV trolley;
101. a limit stop block, 102, an aluminum profile rail, 103, a movable sliding frame, 104, a traveling drive, 105, a rack, 106, a sliding rail, 107, a drag chain, 108, a coupler, 109 and a gear;
201. the device comprises an aluminum profile rail, 202 racks, 203 sliding rails, 204 drag chains, 205 lifting drives, 206 couplers, 207 limit stops, 208 detection switches and 209 gears;
301. the device comprises a cylinder, 302, a cylinder fixing seat, 303, a thrust bearing, 304, a suspender, 305, a suspender rotating shaft, 306, a detection switch, 307, a positioning pin, 308, a bracket, 309 and a clamping and positioning device;
306-1 bracket is closed to the detection switch in place, 306-2 bracket is opened to the detection switch in place, 309-1 clamping and positioning device is opened to the detection in place, 309-2 clamping and positioning is closed to the detection in place, 309-3 fixing seat, 309-4 cylinder, 309-5 sliding rail, 309-6 sliding block and 309-7 clamping and positioning head.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
The terms "mounted", "connected", "fixed", and the like in the present invention are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
As introduced by the background art, in the existing automobile chassis combination production line, manual switching from front and rear axle trays to the AGV is completed through the KBK hoist, and the working efficiency and the automation degree are low. In order to solve the technical problem, the application provides a flexible automatic switching system.
The flexible automatic switching system disclosed by the embodiment comprises a switching station walking device 1, a switching station lifting device 2 and a tray lifting device 3, and the switching line realizes the automatic switching of a front axle and a rear axle simultaneously by a switching station, so that the requirements of higher production rhythm and lower production cost are met. The mechanism is safe, stable and high in automation degree, and is an advanced solution for ensuring automatic switching of the front axle and the rear axle.
Transfer station running gear 1 is used for walking between front axle switching point (A) or rear axle switching point (B) and the AGV to reciprocate, and transfer station elevating gear 2 is used for the action that goes up and down at each transfer station, and tray hoist 3 is used for snatching of tray with placing.
The transfer station walking device 1 comprises a limit stop 101, an aluminum profile rail 102, a movable sliding frame 103, a walking drive 104, a rack 105, a sliding rail 106, a drag chain 107, a coupler 108 and a gear 109. The traveling drive 104 is mounted on the traveling carriage 103, the rack 105 is fixed on the aluminum profile rail 102, the gears 109 are fixed at both ends of the coupling 108, and the traveling of the traveling carriage 103 on the slide rail 106 is finally realized by the cooperation of the two gears 109 and the rack 105.
The walking drive adopts the existing motor with double output shafts.
Transfer station elevating gear 2: the device comprises an aluminum profile rail 201, a rack 202, a slide rail 203, a drag chain 204, a lifting drive 205, a coupler 206, a limit stop 207, a detection switch 208, a gear 209 and a connecting frame 210; the lifting drive 205 drives the gears 209 at two ends to slide on the sliding rails 203 through the coupler 206, the rack 202 is fixed on the aluminum profile track 201, the detection switch 208 is arranged on the aluminum profile track 201 and used for detecting the position of the lifting frame, and the limit stop 207 is also arranged on the aluminum profile track 201 to realize the limitation of the connecting frame 210 on the vertical sliding position; the connection frame 210 is used for connecting the pallet sling 3.
As shown in fig. 6, 7, 8, and 9, the pallet spreader 3: the device comprises an air cylinder 301, an air cylinder fixing seat 302, a connecting plate, a suspender 304, a suspender rotating shaft 305, a detection switch 306, a positioning pin 307, a bracket 308, a clamping and positioning device 309, a rectangular plate and a thrust bearing 303;
two cylinder fixing seats 302 are arranged on the rectangular plate, and two cylinders 301 are fixed on each cylinder fixing seat 302 to form four cylinders 301; in two air cylinders 301 on the same fixing seat, as shown in fig. 8, the telescopic rod of one air cylinder faces to the left, and the telescopic rod of one air cylinder faces to the right; in the four cylinders, the telescopic rods of the two cylinders on the left side face to the left; the telescopic rods of the two cylinders on the left side face to the right; the four cylinders 301 respectively drive a corresponding boom rotating shaft 305 to rotate through a transmission device, and the four boom rotating shafts 305 are totally four boom rotating shafts 305, and are parallel to each other and vertically arranged at four corners of the rectangular plate; a bracket 308 is arranged at the bottom of each hanger rod rotating shaft 305, a positioning pin 307 is arranged on the bracket 308, when the hanger rod rotating shaft 305 rotates, the bracket 308 also rotates along with the rotation of the positioning pin 307, meanwhile, clamping and positioning devices 309 are arranged at the bottoms of two hanger rods 304, in the attached drawing 9, the clamping and positioning devices 309 are arranged at the bottoms of the two hanger rods 304 on the left side, the clamping and positioning devices 309 are fixed on the hanger rods, and the hanger rods are fixed.
As shown in fig. 10, the two clamping and positioning devices 309 are identical in structure: comprises a detection switch 309-1, a detection switch 309-2, a fixed seat 309-3, a cylinder 309-4, a slide rail 309-5, a slide block 309-6 and a clamping positioning head 309-7; the two clamping and positioning devices 309 are arranged symmetrically with respect to the centre line of the frame plate;
the fixed seat 309-3 is arranged at the bottom of the hanging rod 304; the cylinder 309-4 and the sliding block 309-6 are arranged on the fixed seat 309-3 through a connecting plate, and the sliding block 309-6 is connected with the sliding rail 309-5; the clamping positioning head 309-7 is fixed on the slide rail 309-5 and is connected with the piston rod of the air cylinder 309-4. When the piston rod of the air cylinder 309-4 extends and retracts, the sliding rail 309-5 and the locking positioning head 309-7 are driven to extend or retract, and the locking function of the front axle tray and the rear axle tray is realized.
Further, a detection switch 309-1 and a detection switch 309-2 are fixed on one side of the slide rail 309-5; the detection switches 309-1 and 309-2 are mounted on a connecting plate for connecting the sliding blocks through mounting frames, and the total number of the detection switches is eight, and the detection switches are used for feeding back the state of the locking positioning device.
Thrust bearing 303 in this application is respectively one from top to bottom at jib pivot 305, and the connecting plate is with jib pivot 305 fixed mounting, and the stretching out of cylinder 301 piston rod is retracted and is rotary motion through connecting plate drive jib pivot 305.
The four positioning pin holders 308 are fixed to the bottom of the four boom rotating shafts 305, respectively, and rotate together therewith. Two bracket detection switches 306 are arranged at the bottom of each suspender 304, namely a bracket closing in-place detection switch 306-1 and a bracket opening in-place detection switch 306-2, wherein the total number of the whole device is eight; the bracket closed to position detection switch 306-1 and the bracket open to position detection switch 306-2 are vertically fixed on the boom, and the moving position of the positioning pin bracket 308 can be detected.
Specifically, when the lifting device 2 of the transfer station reaches the grabbing position, the piston rod of the cylinder 309-4 of the clamping and positioning device 309 extends out, and meanwhile, the piston rod of the cylinder 301 extends out, and the connecting plate drives the boom rotating shaft 305 to rotate, so that the positioning pin 307 aligns with the tray positioning hole.
Description of automatic transfer operation: AGV (C) requests the model of the front and rear axle trays, the transfer station walking device 1 automatically moves to a front axle transfer point A or a rear axle transfer point B, the transfer station lifting device 2 descends to a grabbing position, the clamping and positioning device 309 extends to position the trays, the air cylinder 301 drives the hanger rod rotating shaft 305 to rotate, and a positioning pin 307 of the hanger is aligned with a positioning hole in the front and rear axle trays; the tray is fixed; the transfer station lifting device 2 rises to a high position, and the transfer station traveling device 1 travels to the AGV C position. The switching station lifting device 2 descends to a piece placing position, the positioning device 309 retracts, the air cylinder 301 drives the thrust rotating shaft 305 to rotate back to the original position, and the switching station lifting device 2 ascends to a high position to complete automatic switching of a tray.
The automatic transfer station for the trays has the characteristics that:
the equipment has the characteristics of simple and practical structure, low manufacturing cost, high automation degree, reliable and stable mechanism operation, convenient maintenance and the like, and is suitable for multi-station flexible production. Is one of practical equipment of a final assembly production line, and has the advantages of compact structure, improved production efficiency and reduced labor intensity of operators compared with the manual switching currently used.
The front and rear axle distribution line provided by the invention is automatically switched to the tray of the AGV, the beat and the stability are high, and the personnel operation is reduced. And according to the AGV request signal, the transfer station walking device automatically positions the transfer station. The tray positioning device with the switch feeds back signals to ensure the accuracy and stability of the switching. The accuracy and the stability of switching are guaranteed by the feedback signal with the switch at the position of the positioning pin of the tray. The lifting appliance cylinder drives the thrust bearing to rotate and drives the positioning pin to rotate to the position of the tray positioning hole.
The structure is safe and reliable, the assembly is convenient, and the automation is realized in the switching process.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. An automatic transfer system for front and rear axle trays is characterized by comprising a portal frame, a transfer station walking device, a transfer station lifting device and a tray hanger;
the transfer station traveling device is arranged on the portal frame and can slide back and forth along the portal frame; the transfer station lifting device is connected to the transfer station walking device and can walk along with the transfer station walking device in the horizontal direction; the tray lifting appliance is connected to the transfer station lifting device, and the transfer station lifting device drives the tray lifting appliance to move up and down;
the tray lifting appliance consists of a lifting rod, a lifting rod rotating shaft, a bracket, a clamping and positioning device and a rectangular plate; the rectangular plate is connected with the transfer station lifting device; the rectangular plate is provided with a driving device, the driving device drives four vertically arranged suspender rotating shafts to rotate, the bottom of each suspender rotating shaft is provided with a bracket, the suspender rotating shaft penetrates through the suspender, and the suspender is fixed; the bottoms of the two suspension rods are also provided with clamping and positioning devices;
the bracket is provided with a positioning pin, and the positioning pin corresponds to the positioning holes on the front axle tray and the rear axle tray.
2. The automatic transfer system of front and rear axle pallets according to claim 1, wherein the driving device comprises four first cylinders, two cylinder holders are disposed on the rectangular plate, two first cylinders are fixed on each cylinder holder to form four first cylinders, and each of the four first cylinders drives a corresponding boom shaft to rotate through a transmission device.
3. The automatic front and rear axle pallet transfer system as claimed in claim 2, wherein a thrust bearing is installed above and below the boom shaft, a connecting plate is fixedly installed to the boom shaft, and the extension and retraction of the piston rod of the first cylinder drives the boom shaft to rotate via the connecting plate.
4. The automatic front and rear axle pallet transfer system of claim 1, wherein a bracket closed position detection switch and a bracket open position detection switch are mounted on the bottom of each boom.
5. The automatic front and rear axle tray switching system according to claim 1, wherein the clamping and positioning device is composed of a fixed seat, a second cylinder, a slide rail, a slide block and a clamping and positioning head; the fixed seat is arranged at the bottom of the hanging rod; the second cylinder and the sliding block are arranged on the fixed seat through a connecting plate, and the sliding block is connected with the sliding rail; the clamping positioning head is fixed on the sliding rail and is connected with a piston rod of the second cylinder.
6. The automatic front and rear axle tray switching system according to claim 5, wherein a first detection switch and a second detection switch are fixed on one side of the slide rail; the first detection switch and the second detection switch are installed on a connecting plate used for connecting the sliding blocks through an installation frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910973011.0A CN110745533B (en) | 2019-10-14 | 2019-10-14 | Automatic switching system of front and rear axle trays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910973011.0A CN110745533B (en) | 2019-10-14 | 2019-10-14 | Automatic switching system of front and rear axle trays |
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| Publication Number | Publication Date |
|---|---|
| CN110745533A CN110745533A (en) | 2020-02-04 |
| CN110745533B true CN110745533B (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910973011.0A Active CN110745533B (en) | 2019-10-14 | 2019-10-14 | Automatic switching system of front and rear axle trays |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112830273B (en) * | 2021-02-03 | 2023-03-07 | 惠州市未来智能自动化设备有限公司 | Copper cylinder arrangement equipment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07117841A (en) * | 1993-10-25 | 1995-05-09 | Yazaki Corp | Conveying device for electric wire bundle |
| CN103896108B (en) * | 2014-03-27 | 2016-10-05 | 重庆市隆泰稀土新材料有限责任公司 | A kind of planer-type wire twisting machine I-beam wheel automatic handing system |
| CN105347051B (en) * | 2015-11-24 | 2017-08-25 | 洛阳中冶重工集团有限公司 | A kind of steam pressurized foam concrete is unloaded the goods from the airplane with transferring pallet heap |
| CN107235332B (en) * | 2017-05-31 | 2024-03-29 | 上海速流自动化机械有限公司 | Automatic sheet material collecting and stacking device used in automobile front axle and automobile rear axle production process |
| KR101940017B1 (en) * | 2017-08-03 | 2019-01-18 | 김기현 | Tray transferring apparatus |
| CN108861499B (en) * | 2017-08-25 | 2020-11-03 | 东风汽车公司 | Automatic transfer device of tray |
| CN107857107A (en) * | 2017-10-20 | 2018-03-30 | 江西宝群电子科技有限公司 | A kind of circulation feeding device of valve grid |
| CN209242581U (en) * | 2018-11-20 | 2019-08-13 | 河南瑞远物联网科技有限公司 | A kind of cam lifting body applied to pallet transfer machine |
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