CN110921192A - Rolling machine conveying system and using method thereof - Google Patents

Rolling machine conveying system and using method thereof Download PDF

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Publication number
CN110921192A
CN110921192A CN201911285096.XA CN201911285096A CN110921192A CN 110921192 A CN110921192 A CN 110921192A CN 201911285096 A CN201911285096 A CN 201911285096A CN 110921192 A CN110921192 A CN 110921192A
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CN
China
Prior art keywords
skid
track
roller
positioning
positioning pin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911285096.XA
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Chinese (zh)
Inventor
戴荣杰
刘会丙
路鹏
后世华
洪单
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Anhui Ruixiang Industry Co Ltd
Original Assignee
Anhui Ruixiang Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Ruixiang Industry Co Ltd filed Critical Anhui Ruixiang Industry Co Ltd
Priority to CN201911285096.XA priority Critical patent/CN110921192A/en
Publication of CN110921192A publication Critical patent/CN110921192A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G13/00Roller-ways
    • B65G13/02Roller-ways having driven rollers
    • B65G13/06Roller driving means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G13/00Roller-ways
    • B65G13/11Roller frames
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G43/00Control devices, e.g. for safety, warning or fault-correcting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/02Control or detection
    • B65G2203/0266Control or detection relating to the load carrier(s)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/04Detection means
    • B65G2203/042Sensors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/04Detection means
    • B65G2203/042Sensors
    • B65G2203/044Optical

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Conveyors (AREA)

Abstract

The invention discloses a roller bed conveying system which comprises a roller bed fixed mounting base, a floating support, driving rollers and a skid, wherein a connector at the bottom of the floating support is arranged on the roller bed fixed mounting base, the driving rollers are arranged on two sides of the floating support, the skid is positioned at the top of the floating support, the bottom of the skid is in contact with the driving rollers, the driving rollers rotate to drive the skid to move on the roller bed, a positioning mechanism is arranged on the roller bed fixed mounting base, and the positioning mechanism is used for fixing the position of the skid when the skid stops moving. The positioning mechanism comprises a positioning pin and an air cylinder, the fixed end of the air cylinder is connected to the fixed mounting base of the rolling machine, the positioning pin is connected with the telescopic rod of the air cylinder to achieve stretching of the positioning pin, and the end portion of the skid is provided with a positioning hole matched with the positioning pin to achieve positioning of the skid. The rolling machine and the skid in the rolling machine conveying system do not need to be lifted, and the skid is positioned by using the special telescopic positioning pin, so that the process required design precision and shorter conveying time are achieved.

Description

Rolling machine conveying system and using method thereof
Technical Field
The invention belongs to the technical field of automobile body-in-white welding production, and particularly relates to a roller bed conveying system and a using method thereof.
Background
In the automobile body-in-white welding production line, the automobile body-in-white is mostly placed on a skid of a rolling machine, the skid bearing automobile body moves on the rolling machine, and when operations such as welding, assembling, fastening and the like need to be carried out, the skid stops running. At present, in order to achieve corresponding positioning accuracy and conveying speed, the roller machine adopts a lifting roller machine mode, and has the advantages of complex structure, high failure rate and equipment cost and long conveying time.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a roller machine conveying system which is stable in conveying, high in positioning precision, capable of improving the conveying beat of a welding line and reducing the equipment cost, and also provides a using method of the roller machine conveying system.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a roll bed conveying system, includes roll bed fixed mounting base, floating support, drive roller and skid, the bottom connector of floating support is on roll bed fixed mounting base, and drive roller installs the both sides at floating support, and the skid is located floating support's top, and the bottom and the drive roller contact of skid, drive roller rotate drive skid and move on the roll bed, are equipped with positioning mechanism on the roll bed fixed mounting base, and positioning mechanism is used for the position of fixed skid when the skid stop motion.
Further, positioning mechanism includes locating pin and cylinder, and the stiff end of cylinder is connected on rolling bed fixed mounting base, and the locating pin is connected with the telescopic link of cylinder, and the tip of skid is equipped with the locating hole with the locating pin adaptation.
Furthermore, positioning mechanism still includes sleeve and bearing, and telescopic one end is connected with the telescopic link of cylinder, and the bearing is installed to the telescopic other end, and the locating pin rotates and installs on the bearing.
Furthermore, a floating track is arranged between the floating support and the roller bed fixed mounting base, one end of the floating track is connected to the roller bed fixed mounting base, and the other end of the floating track is connected to the bottom of the floating support.
Further, the floating track comprises a movable track and a fixed track, the fixed track is fixedly connected to the roller bed fixed mounting base, one end of the movable track is movably connected to the fixed track, and the other end of the movable track is fixedly connected to the bottom of the floating support.
Furthermore, a slide rail is arranged on the fixed rail, a slide groove matched with the slide rail is arranged on the movable rail, and the movable rail is matched with the slide rail through the slide groove and is connected to the fixed rail in a sliding mode.
Furthermore, a sliding block is arranged between the movable rail and the fixed rail, a sliding groove matched with the sliding rail is formed in the sliding block, one end of the sliding block is fixedly connected to the movable rail, and the other end of the sliding block is connected to the fixed rail in a sliding mode through the sliding groove and the sliding rail in a matched mode.
Furthermore, when the positioning pin is matched with the positioning hole in the skid to generate deviation, the floating track is moved to compensate position precision errors, so that the positioning pin is inserted into the positioning hole.
Further, the roller bed conveying system further comprises a stop detection mechanism and a PLC (programmable logic controller), the stop detection mechanism comprises a detection block, a detection groove matched with the detection block and a sensor used for sensing the position of the detection block, the detection block is installed on the skid, one end of the detection block extends out of the skid and is matched with the detection groove, the detection groove is installed on the floating support, the sensor is installed in the detection groove, the sensor is connected with the PLC, and the driving roller is connected with the PLC.
The invention also relates to a use method of the roller bed conveying system, which is characterized in that: the using method comprises the following steps:
a. the skid moves along the floating support of the rolling machine under the driving of the driving roller, when the detection block moves to the position of the detection groove and is inserted into the detection groove, the sensor detects the detection block and transmits information to the PLC, the PLC sends an instruction to control the driving roller to stop rotating, and the skid stops moving;
b. the cylinder extends out of the positioning pin to drive the positioning pin to ascend and descend into the positioning hole of the skid, and the skid is positioned; if the positioning pin is matched with the positioning hole in the skid to generate deviation, the floating track is moved to perform deviation compensation, so that the positioning pin is matched with the positioning hole;
c. the cylinder is connected with the PLC controller, and after the automobile body operation that bears on the skid was accomplished, the cylinder shrink, the locating pin breaks away from the locating hole, and the skid is released, and the cylinder is given the PLC controller after the shrink, and the PLC controller sends instruction control drive roller and rotates, and the skid continues to move under the drive of drive roller and gets into next process.
The technical scheme adopted by the invention has the advantages that:
1. the skid is started and stopped by a stop detection mechanism during conveying of the rolling machine, the position of the skid is positioned by a telescopic positioning pin, and a floating rail of a slide rail compensation device is arranged on the rolling machine and used for compensating the position deviation of the skid and avoiding over-positioning; the conveying rolling machine for high-beat production is provided, and has the advantages of no need of lifting, simple structure, stable conveying and low equipment cost.
2. The rolling machine and the skid in the rolling machine conveying system do not need to be lifted, and the skid is positioned by using the special telescopic positioning pin, so that the process needs design precision and shorter conveying time is achieved; the sleeve and the bearing are arranged, so that the positioning pin can also rotate while stretching, and the matching of the positioning pin and the positioning hole is further facilitated; because of the existence of manufacturing error, the condition of a little deviation may appear in locating pin and locating hole cooperation, leads to the locating pin can't insert in the locating hole, makes the locating pin rotate perhaps can avoid the deviation and makes the locating pin insert the locating hole more easily.
3. When the positioning pin is matched with the positioning hole in the skid to generate deviation, the floating track is moved to compensate position deviation, so that the positioning pin is inserted into the positioning hole, and the floating track has the function of compensating precision errors.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic view of the overall structure of the roller bed conveying system of the present invention.
Fig. 2 is a schematic structural diagram of the positioning mechanism of the present invention.
Fig. 3 is a schematic structural view of the stop detection mechanism and the floating rail according to the present invention.
The labels in the above figures are respectively: 1. the rolling machine is fixedly provided with a base; 2. a floating mount; 3. driving the roller; 4. a skid; 5. a positioning mechanism.
Detailed Description
In the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "planar direction", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, a roller bed conveying system comprises a roller bed fixed mounting base 1, a floating support 2, driving rollers 3 and skids 4, wherein a bottom connector of the floating support 2 is arranged on the roller bed fixed mounting base 1, the driving rollers 3 are arranged on two sides of the floating support 2, the skids 4 are arranged at the top of the floating support 2, the bottom of the skids 4 are in contact with the driving rollers 3, the driving rollers 3 rotate to drive the skids 4 to move on the roller bed, a positioning mechanism 5 is arranged on the roller bed fixed mounting base 1, and the positioning mechanism 5 is used for fixing the positions of the skids 4 when the skids 4 stop moving. The positioning mechanism 5 comprises a positioning pin 51 and an air cylinder 52, the fixed end of the air cylinder 52 is connected to the roller machine fixed mounting base 1, the positioning pin 51 is connected with the telescopic rod of the air cylinder 52 to achieve stretching of the positioning pin, the end portion of the skid 4 is provided with a positioning hole 41 matched with the positioning pin 51, and positioning of the skid 4 is achieved. The rolling machine and the skid in the rolling machine conveying system do not need to be lifted, and the skid is positioned by using the special telescopic positioning pin, so that the process required design precision and shorter conveying time are achieved.
Preferably, the positioning mechanism 5 further comprises a sleeve 53 and a bearing 54, one end of the sleeve 53 is connected with the telescopic rod of the cylinder 52, the other end of the sleeve 53 is provided with the bearing 54, and the positioning pin 51 is rotatably arranged on the bearing 54. The sleeve 53 and the bearing 54 are arranged, so that the positioning pin 51 can also rotate while stretching, and the matching of the positioning pin 51 and the positioning hole 41 is further facilitated; due to manufacturing errors, a slight deviation may occur when the positioning pin 51 is fitted into the positioning hole 41, so that the positioning pin 51 cannot be inserted into the positioning hole 41, and the positioning pin 51 may rotate to avoid the deviation so that the positioning pin 51 can be inserted into the positioning hole more easily.
In order to further compensate the position deviation caused by manufacturing errors, a floating rail 6 is arranged between the floating support 2 and the roller machine fixed mounting base 1, one end of the floating rail 6 is connected to the roller machine fixed mounting base 1, and the other end of the floating rail 6 is connected to the bottom of the floating support 2. The floating track 6 comprises a movable track 61 and a fixed track 62, the fixed track 62 is fixedly connected to the roller machine fixed mounting base 1, one end of the movable track 61 is movably connected to the fixed track 62, and the other end of the movable track 61 is fixedly connected to the bottom of the floating support 2. Be equipped with the slide rail on the fixed track 62, be equipped with the spout with the slide rail adaptation on the activity track 61, activity track 61 passes through spout and slide rail cooperation sliding connection on fixed track 62. For increasing the gliding flexibility of movable rail 61, reduce the area of contact between movable rail 61 and the fixed track 62 to reduce the frictional force when movable rail 61 slides on fixed track 62, be equipped with slider 63 between movable rail 61 and fixed track 62, be equipped with the spout with the slide rail adaptation on the slider 63, the one end fixed connection of slider 63 is on movable rail 61, the other end of slider 63 passes through spout and slide rail cooperation sliding connection on fixed track 62. When the positioning pin 51 is matched with the positioning hole 41 on the skid 4 to generate deviation, the floating track 6 is moved to compensate the position deviation, so that the positioning pin 51 is inserted into the positioning hole 41, and the floating track 6 has the function of compensating precision errors. In order to prevent the positioning pin 51 from rotating relative to the positioning hole 41 after the positioning pin 51 is inserted into the positioning hole 41, the positioning pin 51 is designed to have a square cross section, and the positioning hole 41 is designed to have a square hole.
This roller bed conveying system still includes stopping detection mechanism 7 and PLC controller, stop detection mechanism 7 including detecting piece 71, with detect piece 71, the complex detects groove 72 and is used for the perception to detect the sensor 73 that piece 71 is located, detect piece 71 and install on skid 4, the one end that detects piece 71 stretches out skid 4 and detects the groove 72 cooperation, it installs on floating support 2 to detect groove 72, sensor 73 is installed in detecting groove 72, sensor 73 is connected with the PLC controller, drive roller 3 is connected with the PLC controller, sensor 73 transmits the positional information that detects piece 71 for the PLC controller, PLC controller received information back control drive roller 3 opens and stops. The sensor 73 is a position sensor or a photoelectric sensing sensor.
The invention also relates to a using method of the roller bed conveying system, which comprises the following steps:
a. the skid 4 moves along the floating support 2 of the rolling machine under the driving of the driving roller 3, when the detection block 71 runs to the position of the detection groove 72 and is inserted into the detection groove 72, the sensor 73 detects the detection block 71 and transmits information to the PLC, the PLC sends an instruction to control the driving roller 3 to stop rotating, and the skid 1 stops moving;
b. the cylinder 52 extends out of the driving positioning pin 51 to lift into and out of the positioning hole 41 of the skid 4, and the skid 4 is positioned; if the positioning pin 51 is matched with the positioning hole 41 on the skid 4 to generate deviation, the floating track 6 is moved to perform deviation compensation, so that the positioning pin 51 is matched with the positioning hole 41;
c. the cylinder 52 is connected with the PLC, after the operation of the vehicle body borne by the skid 4 is completed, the cylinder 52 contracts, the positioning pin 51 is separated from the positioning hole 41, the skid 4 is released, the cylinder 52 contracts and transmits a signal to the PLC, the PLC sends an instruction to control the driving roller 3 to rotate, and the skid 4 continues to run under the driving of the driving roller 3 to enter a next worker.
The skid is started and stopped by a stop detection mechanism during conveying of the rolling machine, the position of the skid is positioned by a telescopic positioning pin, and a floating rail of a slide rail compensation device is arranged on the rolling machine and used for compensating the position deviation of the skid and avoiding over-positioning; the conveying rolling machine for high-beat production is provided, and has the advantages of no need of lifting, simple structure, stable conveying and low equipment cost.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the technical solution of the invention or to apply the concept and technical solution of the invention directly to other occasions without modification.

Claims (10)

1. A roller bed conveying system is characterized in that: including rolling bed fixed mounting base (1), floating support (2), drive roller (3) and skid (4), the bottom connector of floating support (2) is on rolling bed fixed mounting base (1), and the both sides at floating support (2) are installed in drive roller (3), and skid (4) are located the top of floating support (2), the bottom and the drive roller (3) contact of skid (4), and drive roller (3) rotate drive skid (4) and move on rolling the bed, are equipped with positioning mechanism (5) on rolling bed fixed mounting base (1), and positioning mechanism (5) are used for the position of fixed skid (4) when skid (4) stop motion.
2. A roller bed conveyor system as in claim 1 wherein: the positioning mechanism (5) comprises a positioning pin (51) and an air cylinder (52), the fixed end of the air cylinder (52) is connected to the roller machine fixed mounting base (1), the positioning pin (51) is connected with the telescopic rod of the air cylinder (52), and the end part of the skid (4) is provided with a positioning hole (41) matched with the positioning pin (51).
3. A roller bed conveyor system as in claim 2 wherein: the positioning mechanism (5) further comprises a sleeve (53) and a bearing (54), one end of the sleeve (53) is connected with an expansion link of the air cylinder (52), the bearing (54) is installed at the other end of the sleeve (53), and the positioning pin (51) is rotatably installed on the bearing (54).
4. A roller bed conveyor system as claimed in claim 2 or 3 wherein: a floating track (6) is arranged between the floating support (2) and the roller bed fixed mounting base (1), one end of the floating track (6) is connected to the roller bed fixed mounting base (1), and the other end of the floating track (6) is connected to the bottom of the floating support (2).
5. A roller bed conveyor system as in claim 4 wherein: the floating track (6) comprises a movable track (61) and a fixed track (62), the fixed track (62) is fixedly connected to the roller bed fixed mounting base (1), one end of the movable track (61) is movably connected to the fixed track (62), and the other end of the movable track (61) is fixedly connected to the bottom of the floating support (2).
6. A roller bed conveyor system as in claim 5 wherein: the fixed rail (62) is provided with a slide rail, the movable rail (61) is provided with a slide groove matched with the slide rail, and the movable rail (61) is matched with the slide rail through the slide groove and is slidably connected to the fixed rail (62).
7. A roller bed conveyor system as in claim 6 wherein: be equipped with slider (63) between activity track (61) and fixed track (62), be equipped with the spout with the slide rail adaptation on slider (63), the one end fixed connection of slider (63) is on activity track (61), and the other end of slider (63) passes through spout and slide rail cooperation sliding connection on fixed track (62).
8. A roller bed conveyor system as in claim 7 wherein: when the positioning pin (51) is matched with the positioning hole (41) in the skid (4) to generate deviation, the floating track (6) is moved to compensate position precision errors, and the positioning pin (51) is inserted into the positioning hole (41).
9. A roller bed conveyor system as in claim 8 wherein: the roller bed conveying system further comprises a stop detection mechanism (7) and a PLC (programmable logic controller), the stop detection mechanism (7) comprises a detection block (71), the detection block (71) is matched with the detection block (71) to detect a groove (72) and a sensor (73) used for sensing the position of the detection block (71), the detection block (71) is installed on the skid (4), one end of the detection block (71) extends out of the skid (4) to be matched with the detection groove (72), the detection groove (72) is installed on the floating support (2), the sensor (73) is installed in the detection groove (72), the sensor (73) is connected with the PLC, and the driving roller (3) is connected with the PLC.
10. A method of using a roller bed conveyor system as claimed in any one of claims 1 to 9, wherein: the using method comprises the following steps:
a. the skid (4) moves along the floating support (2) of the rolling machine under the driving of the driving roller (3), when the detection block (71) runs to the position of the detection groove (72) and is inserted into the detection groove (72), the sensor (73) detects the detection block (71) and transmits information to the PLC, the PLC sends an instruction to control the driving roller (3) to stop rotating, and the skid (1) stops moving;
b. the cylinder (52) extends out of the driving positioning pin (51) and rises into and out of the positioning hole (41) of the skid (4) to position the skid (4); if the positioning pin (51) is matched with the positioning hole (41) in the skid (4) to generate deviation, the floating track (6) is moved to compensate the deviation, so that the positioning pin (51) is matched with the positioning hole (41);
c. cylinder (52) are connected with the PLC controller, and after the automobile body operation that bears on skid (4) was accomplished, cylinder (52) shrink, locating pin (51) break away from locating hole (41), and skid (4) are released, and transmission signal gives the PLC controller after cylinder (52) shrink, and the PLC controller sends instruction control drive gyro wheel (3) and rotates, and skid (4) continue to move under the drive of drive gyro wheel (3) and get into next process.
CN201911285096.XA 2019-12-13 2019-12-13 Rolling machine conveying system and using method thereof Pending CN110921192A (en)

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CN201911285096.XA CN110921192A (en) 2019-12-13 2019-12-13 Rolling machine conveying system and using method thereof

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Application Number Priority Date Filing Date Title
CN201911285096.XA CN110921192A (en) 2019-12-13 2019-12-13 Rolling machine conveying system and using method thereof

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CN110921192A true CN110921192A (en) 2020-03-27

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113800217A (en) * 2021-09-10 2021-12-17 江苏长虹智能装备股份有限公司 Novel draining rolling bed

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CA2166286A1 (en) * 1993-07-06 1995-01-19 Theodore A. Hammond Level gravity conveyor with gravity return of transfer units
JPH0725440A (en) * 1993-07-16 1995-01-27 Daifuku Co Ltd Conveying installation using movable body
CN102689792A (en) * 2012-05-29 2012-09-26 浙江金刚汽车有限公司 Automatic car positioning device of roller machine tool
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CN204916888U (en) * 2015-07-20 2015-12-30 重庆海众科技有限公司 Novel roll a structure
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CN206679751U (en) * 2017-03-20 2017-11-28 安徽江淮汽车集团股份有限公司 A kind of skid positioning detection mechanism
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JPH0725440A (en) * 1993-07-16 1995-01-27 Daifuku Co Ltd Conveying installation using movable body
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CN105965193A (en) * 2016-06-29 2016-09-28 上汽通用五菱汽车股份有限公司 Precise positioning device for skid
CN206679751U (en) * 2017-03-20 2017-11-28 安徽江淮汽车集团股份有限公司 A kind of skid positioning detection mechanism
CN209427606U (en) * 2018-12-18 2019-09-24 安徽双骏智能科技有限公司 A kind of rolling bed skid transportation system
CN109928176A (en) * 2019-03-08 2019-06-25 天奇自动化工程股份有限公司 Multiposition positions rolling bed

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113800217A (en) * 2021-09-10 2021-12-17 江苏长虹智能装备股份有限公司 Novel draining rolling bed

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