CN113148553A - Telescopic chain bed and using method - Google Patents

Abstract

The invention discloses a telescopic chain bed and a using method thereof, the telescopic chain bed comprises a bottom frame, a telescopic frame, a chain bed and a driving mechanism, wherein the telescopic frame is connected to the upper end of the bottom frame in a sliding manner and used for driving the chain bed to realize bidirectional telescopic, the chain bed is arranged at the upper end of the telescopic frame and used for conveying a vehicle body, the driving mechanism is arranged on the bottom frame, the moving end of the driving mechanism is connected with the telescopic frame and used for controlling the reciprocating movement of the telescopic frame, the driving mechanism comprises a driving motor, a rotating arm and a connecting rod, the driving motor is fixed on the bottom frame, the output shaft of the driving motor is fixedly connected with the rotating arm, the telescopic chain bed and the using method thereof realize linkage cross synchronous operation when adjacent chain beds are connected with a movable chain bed, and avoid the situations of blocking and unsmooth operation in the vehicle body supporting and conveying process caused by end part gaps when the movable chain beds are connected, the stable conveying is realized, and the improvement of the production efficiency is facilitated.

Description

Telescopic chain bed and using method

Technical Field

The invention relates to the technical field of automobile production, in particular to a telescopic chain bed and a using method thereof.

Background

As is well known, the technology of the domestic automobile industry has been advanced greatly after decades of vigorous development, and particularly, the skid conveying system for the automobile painting workshop has the characteristics of flexible layout, multiple functions, high automation degree and the like, and is widely applied to the automobile industry and other similar industries at present.

The skid-free conveying is carried through the chain beds which are arranged in a crossed mode, when the fixed chain beds and the movable chain beds are switched, due to the fact that the longitudinal beams of the skid are not arranged, gaps are formed in the end portions of the two chain beds, blocking can occur in the conveying process of the cross beam supporting the vehicle body, the running is not smooth, even the vehicle cannot pass through, and the production beat is greatly influenced.

Disclosure of Invention

The invention aims to overcome the existing defects and provides a telescopic chain bed and a using method thereof, which realize linkage, crossing and synchronous operation when adjacent chain beds are connected with movable chain beds, avoid the conditions of blockage and unsmooth operation in the process of supporting and conveying a vehicle body caused by end gaps when the movable chain beds are in butt joint, realize stable conveying and effectively solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a flexible chain bed, includes bottom frame, telescopic frame, chain bed and actuating mechanism, telescopic frame sliding connection is in bottom frame's upper end for drive chain bed realizes two-way flexible, the chain bed sets up in telescopic frame's upper end, is used for carrying the automobile body, actuating mechanism sets up on bottom frame, and its removal end is connected with telescopic frame, is used for controlling telescopic frame's reciprocating motion.

As a preferable technical solution of the present invention, the driving mechanism includes a driving motor, a rotating arm and a connecting rod, the driving motor is fixed on the bottom frame, an output shaft of the driving motor is fixedly connected with the rotating arm, one end of the rotating arm is rotatably connected with one end of the connecting rod, and the other end of the connecting rod is connected with the telescopic frame.

As a preferable technical scheme of the invention, the driving mechanism comprises a gear motor, a driving gear and a rack, the gear motor is fixed on the bottom frame, an output shaft of the gear motor is fixedly connected with the driving gear, the driving gear is meshed with the rack, the rack is arranged in parallel along the length direction of the bottom frame, and the rack is fixedly connected with the telescopic frame.

As a preferable technical scheme of the invention, a limiting frame for the rack to move through is arranged on the outer side face of the rack, a first guide wheel and a second guide wheel are respectively connected to the limiting frame in a rotating mode, the first guide wheel is in contact with the side face of the rack, and the second guide wheel is in contact with the toothless end face of the rack.

As a preferred technical solution of the present invention, the bottom frame is movably connected to the telescopic frame through at least one pair of traveling wheel devices, each of the traveling wheel devices includes an L-shaped fixing plate, a connecting shaft, a traveling wheel and a U-shaped guide rail, the L-shaped fixing plate is fixed to the bottom frame, the L-shaped fixing plate is located on one side of the telescopic frame, an upper end of the L-shaped fixing plate is fixedly connected to the connecting shaft, the traveling wheel is rotatably connected to the connecting shaft, the U-shaped guide rail is disposed on the telescopic frame and has an opening facing outward, and the traveling wheel is located in the U-shaped guide rail and is attached to an inner side surface of the U-shaped guide rail.

As a preferred technical scheme of the invention, two ends of the telescopic frame are symmetrically provided with limiting mechanisms, each limiting mechanism comprises a first fixing seat, a limiting block, a rolling shaft and a second fixing seat, one end of each limiting block is fixedly connected with the telescopic frame through the first fixing seat, a long hole is formed in each limiting block along the length direction of the limiting block, the rolling shaft penetrates through the long hole, two ends of the rolling shaft are rotatably connected with the second fixing seats, and the second fixing seats are connected with the bottom frame.

As a preferable technical scheme of the invention, guide mechanisms are symmetrically arranged between the end parts of the chain beds which are adjacently connected, each guide mechanism comprises a connecting frame, a supporting frame, a first roller and a second roller, the connecting frames are fixed on one sides of the adjacent chain beds which are connected, the supporting frames are arranged on the connecting frames, the first rollers are horizontally and rotatably connected to the outer sides of the upper parts of the connecting frames and used for lateral guide of the chain beds, and the second rollers are vertically and rotatably connected in the connecting frames and used for bottom support guide of the chain beds.

A method for using a telescopic chain bed comprises the steps that the telescopic chain bed is arranged between two adjacent fixed chain beds, the chain bed extends out of a joint position and is in butt joint with the fixed chain bed to be jointed through telescopic driving of the telescopic chain bed, transmission of a vehicle body is achieved, and then the vehicle body is transmitted to the other fixed chain bed through telescopic driving;

when the vehicle body needs to be conveyed in a reversing way, the telescopic chain bed is connected with the rotating equipment and used for realizing the reversing connection of the vehicle body conveying;

when the vehicle body needs to be transversely conveyed, the telescopic chain bed is connected with the moving equipment and used for realizing transverse connection of vehicle body conveying;

when the vehicle body needs to be reversed and transversely conveyed at the same time, the telescopic chain bed is connected with the rotary moving equipment and used for realizing transverse connection and reversing of vehicle body conveying;

when the automobile body needs to be lifted and conveyed, the telescopic chain bed is connected with the lifting machine equipment, and the cross-floor connection of automobile body conveying is achieved.

Compared with the prior art, the invention has the beneficial effects that: this flexible chain bed can effectually solve the jamming that appears in the automobile body support transportation process that tip clearance brought when fixed chain bed docks with the removal chain bed, the not smooth condition of operation, realize steady transport, can drive the chain bed through the telescopic frame who sets up sliding connection and realize two-way flexible, be convenient for the joint cross synchronous operation of fixed chain bed and removal chain bed handing-over, the smooth and easy aversion and the handing-over of automobile body have been guaranteed, and simultaneously, flexible chain bed cooperation rotary equipment, the equipment of marching, mobile equipment such as rotatory equipment of marching and lift equipment, be applied to the switching-over handing-over of automobile body respectively, horizontal handing-over, switching-over and horizontal synchronization handing-over and cross the floor handing-over, the effectual production beat that has accelerated, the convenience in utilization has been improved.

Drawings

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a schematic view of the chain bed of FIG. 1 with the chain bed removed;

FIG. 3 is a schematic view of the construction of the wheel assembly;

FIG. 4 is a schematic structural view of a guide mechanism;

FIG. 5 is a schematic structural diagram of the initial telescopic position of the present invention;

FIG. 6 is a schematic diagram of a telescopic left hand-off configuration according to the present invention;

FIG. 7 is a schematic diagram of a telescopic right hand interface according to the present invention;

FIG. 8 is a schematic structural view of a drive mechanism in embodiment 2 of the present invention;

fig. 9 is an enlarged schematic view of a portion a of fig. 5.

In the figure: the device comprises a chain bed 1, a telescopic frame 2, a bottom frame 3, a travelling wheel device 4, a 41L-shaped fixing plate, a 42 connecting shaft, a 43 travelling wheel, a 44U-shaped guide rail, a 5 driving mechanism, a 51 driving motor, a 52 rotating arm, a 53 connecting rod, a 54 gear motor, a 55 driving gear, a 56 rack, a 57 limiting frame, a 58 first guide wheel, a 59 second guide wheel, a 6 limiting mechanism, a 61 first fixing seat, a 62 limiting block, a 63 long hole, a 64 rolling shaft, a 65 second fixing seat, a 7 guiding mechanism, a 71 connecting frame, a 72 supporting frame, a 73 first roller and a 74 second roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-7, the present invention provides a technical solution: a telescopic chain bed comprises a movable bottom frame 3, a telescopic frame 2, a chain bed 1, a driving mechanism 5, a guide mechanism 7 and a driving mechanism 5, wherein the telescopic frame 2 is movably connected to the upper end of the bottom frame 3, the chain bed 1 is arranged at the upper end of the telescopic frame 2, the driving mechanism 5 is arranged on the bottom frame 3, the driving mechanism 5 comprises a driving motor 51, a rotating arm 52 and a connecting rod 53, the driving motor 51 is fixed on the bottom frame 3, an output shaft of the driving motor 5 is fixedly connected with the rotating arm 52, one end of the rotating arm 52 is rotatably connected with one end of the connecting rod 53, and the other end of the connecting rod 53 is connected with the telescopic frame 2;

the support carrying the car body is conveyed to a butt joint chain bed, namely a telescopic chain bed handover station, meanwhile, the telescopic chain bed drives a rotating arm 52 and a connecting rod 53 to rotate and extend through a driving motor 51, so that the chain bed 1 extends out of a handover position and forms linkage cross synchronous operation with a fixed chain bed to be handed over, the car body and the support are conveyed to the telescopic chain bed, a driving mechanism 5 drives the chain bed 1 to stretch and retract to an initial position, the movable telescopic chain bed conveys the car body to a next handover position, then the driving mechanism 5 controls the chain bed 1 to stretch out to be connected with the fixed chain bed to be handed over at the other end or the same end, and the chain bed 1 conveys the car body to the handover chain bed to finish the conveying of the car body;

the bottom frame 3 is movably connected with the telescopic frame 2 through at least one pair of travelling wheel devices 4, each travelling wheel device 4 comprises an L-shaped fixing plate 41, a connecting shaft 42, a travelling wheel 43 and a U-shaped guide rail 44, the L-shaped fixing plate 41 is fixed on the bottom frame 3, the L-shaped fixing plate 41 is positioned on one side of the telescopic frame 2, the upper end of the L-shaped fixing plate 41 is fixedly connected with the connecting shaft 42, the travelling wheel 43 is rotatably connected onto the connecting shaft 42, the U-shaped guide rail 44 is arranged on the telescopic frame 2, the opening end of the U-shaped guide rail 44 is outward, the travelling wheel 43 is positioned in the U-shaped guide rail 44 and is attached to the inner side face of the U-shaped guide rail 44, the travelling wheel devices 4 are arranged to achieve the double functions of travelling and lateral guiding, and the smoothness of the telescopic process and the travelling stability are guaranteed by matching with the U-shaped guide rail 44 on the telescopic frame 2;

the two ends of the telescopic frame 2 are symmetrically provided with the limiting mechanisms 6, each limiting mechanism 6 comprises a first fixed seat 61, a limiting block 62, a rolling shaft 64 and a second fixed seat 65, one end of each limiting block 62 is fixedly connected with the telescopic frame 2 through the first fixed seat 61, a long hole 63 is formed in each limiting block 62 along the length direction of the limiting block 62, each rolling shaft 64 transversely penetrates through the long hole 63, the two ends of each rolling shaft 64 are rotatably connected with the second fixed seats 65, and the second fixed seats 65 are connected with the bottom frame 3;

in the process of inputting the vehicle body, the rolling shaft 64 moves along the track of the long hole 63 along with the extension and retraction of the chain bed 1 and falls back to the low position, and meanwhile, the other end moves along the track and rises to the high position to play a role of blocking, so that the vehicle body is prevented from being driven by the support to pass the position; when the telescopic chain bed is retracted to the middle position, the roller 64 is also retracted to the middle position; when the vehicle body extends towards the other end, the roller 64 at one end close to the chain bed to be handed over is lowered to the lowest position so as to facilitate the output of the vehicle body, and the roller 64 at the other end is lifted to prevent the vehicle body from moving backwards due to the inertia effect;

the guide mechanisms 7 are symmetrically arranged between the end parts of the adjacent chain beds 1, each guide mechanism 7 comprises a connecting frame 71, a supporting frame 72, a first roller 73 and a second roller 74, each connecting frame 71 is fixed between the adjacent chain beds 1, each supporting frame 72 is arranged on each connecting frame 71, each first roller 73 is horizontally and rotatably connected to the outer side of the upper part of each connecting frame 71 and used for lateral guide of the chain bed 1, and each second roller 74 is vertically and rotatably connected into each connecting frame 71 and used for bottom support guide of the chain bed 1;

the second idler wheel 74 in the guide mechanism 7 is arranged to play a supporting role in the stretching process and the conveying process, the end part sinks to influence the connection in the unbalance loading process, the accuracy of the chain bed 1 in the butt joint process is guaranteed due to the arrangement of the first idler wheel, and the accurate connection is achieved.

A using method of a telescopic chain bed comprises the steps that a movable telescopic chain bed is arranged between two adjacent fixed chain beds, the chain bed 1 extends out of a joint position to be in butt joint with the fixed chain bed to be jointed through telescopic driving of the telescopic chain bed, transmission of a vehicle body is achieved, and then the vehicle body is transmitted to the other fixed chain bed through telescopic driving;

when the vehicle body needs to be conveyed in a reversing way, the telescopic chain bed is connected with the rotating equipment and used for realizing the reversing connection of the vehicle body conveying;

when the vehicle body needs to be transversely conveyed, the telescopic chain bed is connected with the moving equipment and used for realizing transverse connection of vehicle body conveying;

when the vehicle body needs to be reversed and transversely conveyed at the same time, the telescopic chain bed is connected with the rotary moving equipment and used for realizing transverse connection and reversing of vehicle body conveying;

when the automobile body needs to be lifted and conveyed, the telescopic chain bed is connected with the lifting machine equipment, and the cross-floor connection of automobile body conveying is achieved.

According to the needs of production and transportation, the device is respectively applied to reversing handover, transverse handover, reversing, transverse synchronous handover and cross-floor handover of the car body, and the production takt is effectively accelerated.

Example 2: referring to fig. 8-9, the difference from embodiment 1 is that the driving mechanism 5 includes a gear motor 54, a driving gear 55 and a rack 56, the gear motor 54 is fixed on the bottom frame 3, an output shaft of the gear motor 54 is fixedly connected with the driving gear 55, the driving gear 55 is engaged with the rack 56, the rack 56 is arranged in parallel along the length direction of the bottom frame 3, the rack 56 is fixedly connected with the telescopic frame 2, the telescopic stroke is realized by transmitting displacement by the engagement of the driving gear 55 and the rack 56, the telescopic stroke can be increased, the unequal stroke of the telescopic stroke at the two ends is realized, and the requirement of special space is met;

the outer side surface of the rack 56 is provided with a limiting frame 57 for the rack 56 to move through, the limiting frame 57 is respectively connected with a first guide wheel 58 and a second guide wheel 59 in a rotating mode, the first guide wheel 58 is in contact with the side surface of the rack 56, the second guide wheel 59 is in contact with the toothless end surface of the rack 56, the stability and the accuracy of the moving direction of the rack 56 can be guaranteed through the arrangement of the first guide wheel 58 and the second guide wheel 59, and the rack 56 is prevented from shifting in the moving process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A flexible chain bed which is characterized in that: including bottom frame (3), telescopic frame (2), chain bed (1) and actuating mechanism (5), telescopic frame (2) sliding connection is in the upper end of bottom frame (3) for drive chain bed (1) and realize two-way flexible, chain bed (1) sets up the upper end at telescopic frame (2) for carry the automobile body, actuating mechanism (5) set up on bottom frame (3), and its removal end is connected with telescopic frame (2) for control telescopic frame's (2) reciprocating motion.

2. The telescopic chain bed of claim 1, wherein: the driving mechanism (5) comprises a driving motor (51), a rotating arm (52) and a connecting rod (53), the driving motor (51) is fixed on the bottom frame (3), an output shaft of the driving motor (5) is fixedly connected with the rotating arm (52), one end of the rotating arm (52) is rotatably connected with one end of the connecting rod (53), and the other end of the connecting rod (53) is connected with the telescopic frame (2).

3. The telescopic chain bed of claim 1, wherein: the driving mechanism (5) comprises a gear motor (54), a driving gear (55) and a rack (56), the gear motor (54) is fixed on the bottom frame (3), an output shaft of the gear motor (54) is fixedly connected with the driving gear (55), the driving gear (55) is meshed with the rack (56), the rack (56) is arranged in parallel along the length direction of the bottom frame (3), and the rack (56) is fixedly connected with the telescopic frame (2).

4. A telescopic chain bed as claimed in claim 3, wherein: the outer side surface of the rack (56) is provided with a limiting frame (57) for the rack to move through, the limiting frame (57) is respectively connected with a first guide wheel (58) and a second guide wheel (59) in a rotating mode, the first guide wheel (58) is in contact with the side surface of the rack (56), and the second guide wheel (59) is in contact with the toothless end surface of the rack (56).

5. The telescopic chain bed of claim 1, wherein: bottom frame (3) and telescopic frame (2) between remove through at least a pair of travelling wheel device (4) and be connected, travelling wheel device (4) are including L type fixed plate (41), connecting axle (42), travelling wheel (43) and U type guide rail (44), L type fixed plate (41) are fixed on bottom frame (3), and L type fixed plate (41) are located one side of telescopic frame (2), the upper end and connecting axle (42) fixed connection of L type fixed plate (41), travelling wheel (43) rotate to be connected on connecting axle (42), U type guide rail (44) set up on telescopic frame (2) and the opening is towards the outside, travelling wheel (43) are located U type guide rail (44) and laminate mutually with the medial surface of U type guide rail (44).

6. The telescopic chain bed of claim 1, wherein: the both ends symmetry of telescoping frame (2) is provided with stop gear (6), stop gear (6) are including first fixing base (61), stopper (62), roller bearing (64), second fixing base (65), the one end of stopper (62) is through first fixing base (61) and telescoping frame (2) fixed connection, and slot hole (63) have been seted up along its length direction on stopper (62), roller bearing (64) cross the both ends of slot hole (63) and roller bearing (64) and rotate with second fixing base (65) and be connected, second fixing base (65) are connected with bottom frame (3).

7. The telescopic chain bed of claim 1, wherein: the chain bed (1) end of adjacent handing-over is provided with guiding mechanism (7) between the symmetry, guiding mechanism (7) are including link (71), support frame (72), first gyro wheel (73) and second gyro wheel (74), one side at adjacent handing-over chain bed (1) is fixed in link (71), support frame (72) set up on link (71), first gyro wheel (73) level is rotated and is connected in the upper portion outside of link (71) for the side direction of chain bed (1), the vertical rotation of second gyro wheel (74) is connected in link (71), is used for the bottom sprag direction of chain bed (1).

8. A method of using the telescopic chain bed as claimed in claim 1, wherein: the method comprises the steps that the telescopic chain beds are arranged between two adjacent fixed chain beds, the chain beds (1) extend out of a connection position to be connected with the fixed chain beds to be connected in a butt joint mode through telescopic driving of the telescopic chain beds, the vehicle body is conveyed, and then the vehicle body is conveyed to the other fixed chain bed through the telescopic driving;

when the vehicle body needs to be conveyed in a reversing way, the telescopic chain bed is connected with the rotating equipment and used for realizing the reversing connection of the vehicle body conveying;

when the vehicle body needs to be transversely conveyed, the telescopic chain bed is connected with the moving equipment and used for realizing transverse connection of vehicle body conveying;

when the vehicle body needs to be reversed and transversely conveyed at the same time, the telescopic chain bed is connected with the rotary moving equipment and used for realizing transverse connection and reversing of vehicle body conveying;

when the automobile body needs to be lifted and conveyed, the telescopic chain bed is connected with the lifting machine equipment, and the cross-floor connection of automobile body conveying is achieved.

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