CN112919049A

CN112919049A - Novel plate chain conveyor capable of being supported in lifting mode

Info

Publication number: CN112919049A
Application number: CN202110354912.9A
Authority: CN
Inventors: 柯英; 朱汉敏; 吴建军; 江波; 彭海啸; 李�杰
Original assignee: Hubei Sanfeng Hanwei Intelligent Technology Co ltd
Current assignee: Hubei Sanfeng Hanwei Intelligent Technology Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-06-08

Abstract

The invention relates to a novel plate chain conveyor capable of being supported in a lifting way, which comprises a machine head frame, a tail frame, a chain and a chain bedplate, the front support, the back support, outside frame and middle frame, all rotate on aircraft nose frame and the afterbody frame and be connected with the sprocket, the chain constitutes the chain drive with the sprocket that is located aircraft nose frame and afterbody frame, be equipped with power portion in the aircraft nose frame and be used for the drive to be located the sprocket rotation on the aircraft nose frame, chain platen fixed connection is on the chain, front support and back support are equipped with a plurality ofly and all install on the chain platen, be equipped with preceding support track and the back support track of orbit height fluctuation respectively in the middle frame, the work piece is placed in the top of front support and back support, the bottom of front support and back support is respectively the butt in the top of preceding support track and back support track, the work piece still goes up and down along with the height fluctuation of preceding support track or back support track when moving along with. Has the advantages that: the lifting in the workpiece transportation is realized so as to adapt to the height of equipment in each process.

Description

Novel plate chain conveyor capable of being supported in lifting mode

Technical Field

The invention relates to a transportation device, in particular to a novel plate chain conveyor capable of being supported in a lifting mode.

Background

In the process of automobile manufacturing, the plate chain conveyor is very commonly used for installing equipment below the ground, the cost is low, and when workpieces are assembled, personnel stand on the plate chain to synchronously run with the workpieces and are relatively static. However, in the assembly process of the automobile, low-level equipment and high-level equipment are arranged, and the workpiece needs to be lifted along with a station. Generally, aerial equipment is used for assembly and conveying, functions can be met, when the aerial equipment runs, personnel freely walk and are in synchronism with the equipment, the risk of injury is caused, meanwhile, the cost of the aerial equipment is several times that of a plate chain conveyor, the control is complex, the failure rate is high, and the cost is high.

Disclosure of Invention

The invention aims to solve the technical problem of providing a novel plate link chain conveyor capable of being supported in a lifting mode so as to solve the problem.

The technical scheme for solving the technical problems is as follows: a novel plate chain conveyor capable of being supported in a lifting mode comprises a machine head frame, a tail frame, a chain table plate, a front support, a rear support, an outer frame and a middle frame, wherein chain wheels are connected to the machine head frame and the tail frame in a rotating mode, the chain and the chain wheels positioned on the machine head frame and the tail frame form chain transmission, a power part is arranged on the machine head frame and used for driving the chain wheels positioned on the machine head frame to rotate, the chain table plate is fixedly connected to the chain, the front support and the rear support are provided with a plurality of plates and are arranged on the chain table plate, the outer frame and the middle frame are arranged on the periphery of the chain, the middle frame is positioned in the outer frame, a front support rail and a rear support rail are arranged on the middle frame in an up-and-down mode, the workpiece is placed on the tops of the front support and the rear support, the bottoms of the front support and the rear support on which the workpiece is placed are respectively abutted against the tops of the front support rail and the rear support rail under the action of gravity of the workpiece, and the workpiece moves along with the chain and synchronously ascends and descends along with the height fluctuation of the front support rail or the rear support rail.

The invention has the beneficial effects that: the limitation of the problem of the unable lift of work piece on the traditional plate chain conveyer is solved, the application scene of plate chain has been widened simultaneously, can replace aerial conveying equipment on more scenes, the plate chain can adjust length according to actual need, distance and the size that supports before setting up according to the work piece and back support, set up the support track according to the station demand, according to orbital height, realize the lift that the plate chain supported, when returning, realize the withdrawal by reset spring, reduce the overall structure height, be provided with reinforcing mechanism on the chain, guarantee bulk strength. When the later stage needs adjustment technology, can adjust the support rail and change the station that needs the lift, the construction degree of difficulty is low, and the time limit for a project is fast, can only realize the flexibility with fixed production mode originally, makes the owner can do all can realize the flexibility through cheap cost to the range of application of plate chain conveyer has been enlarged.

On the basis of the technical scheme, the invention can be further improved as follows.

The power portion includes drive arrangement, driving pulley, driven pulley, belt and drive pivot, drive arrangement including equal fixed connection in driving motor and the gearbox in the aircraft nose frame, driving motor's motor shaft with the coaxial fixed connection of power input shaft of gearbox, driving pulley fixed connection in on the power output shaft of gearbox, the drive pivot rotate connect in the aircraft nose frame, driven pulley fixed connection in the one end of drive pivot, driving pulley driven pulley with belt constitutes belt drive.

The last rotation of afterbody frame is connected with driven rotating shaft, drive the pivot with the direction of transportation of the equal level setting of driven rotating shaft and perpendicular to work piece, drive the pivot with equal coaxial fixedly connected with two in the driven rotating shaft the sprocket.

Every the periphery of sprocket has all seted up a plurality of sprocket grooves along its circumference evenly spaced, the inboard rotation of chain is connected with a plurality of chain gyro wheels that set up along its direction of motion evenly spaced, the chain gyro wheel with the sprocket groove matches each other.

The front support and the rear support respectively comprise an upper fixing seat, a lower fixing seat, a supporting rod, a reset spring and a traveling wheel, the upper fixing seat and the lower fixing seat are respectively and fixedly connected to the top and the bottom of the chain bedplate, the supporting rod is perpendicular to the chain bedplate and sequentially penetrates through the upper fixing seat and the lower fixing seat, the supporting rod moves along the central axis direction of the supporting rod, the reset spring is sleeved on the supporting rod, the traveling wheel is installed at one end of the supporting rod, two ends of the reset spring are respectively and fixedly connected with the lower fixing seat and one end of the supporting rod, a supporting pin is fixedly connected to the upper fixing seat of the front support, and a supporting block is fixedly connected to the upper fixing seat of the rear support; the rim of the travelling wheel of the front support is abutted to the top of the front support track and rolls on the front support track, and the rim of the travelling wheel of the rear support is abutted to the top of the rear support track and rolls on the rear support track.

The upper portion and the lower portion of the middle rack are respectively provided with a chain guide rail and a return guide rail, the chain guide rail and the return guide rail are parallel to the conveying direction of the workpiece, and the rims of the chain rollers positioned at the top and the bottom are respectively abutted against the chain guide rail and the return guide rail and roll on the chain guide rail and the return guide rail.

The tracks of the front support track and the rear support track are smoothly transited and continuous.

The chain guide rail and the return guide rail are provided with a plurality of rails.

And a cover plate is laid at the top between the outer frame and the middle frame.

Drawings

Fig. 1 is a schematic structural diagram of a novel plate chain conveyor capable of being supported in a lifting manner, which is provided by the invention;

FIG. 2 is a top view of the novel plate chain conveyor shown in FIG. 1, which is supported in a lifting manner;

FIG. 3 is a schematic structural view of a front support of the liftable support shown in FIG. 1;

FIG. 4 is a schematic structural view of a rear support of the liftable support shown in FIG. 1;

FIG. 5 is an interior side view of a rear support of the liftable support of FIG. 1

FIG. 6 is a partial enlarged view of a connecting structure of a rear support tail frame, a driven rotating shaft and a chain wheel of the lifting support shown in FIG. 1;

fig. 7 is a partial enlarged view of a connecting structure of the rear support tail frame, the power part, the driving rotating shaft and the chain wheel of the lifting support shown in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the automatic chain conveying device comprises a machine head frame, 2, a tail frame, 3, a chain, 4, a chain table plate, 5, a front support, 6, a rear support, 7, an external frame, 8, a driving device, 9, a driving belt wheel, 10, a driven belt wheel, 11, a belt, 12, a driving rotating shaft, 13, a chain wheel, 14, a chain wheel groove, 15, a chain roller, 16, a driven rotating shaft, 17, a front support rail, 18, a rear support rail, 19, an intermediate frame, 20, a chain guide rail, 22, a return guide rail, 24, a cover plate, 25, an upper fixing seat, 26, a lower fixing seat, 27, a supporting rod, 28, a return spring, 29, a travelling wheel, 30, a supporting pin, 31 and a supporting block.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1-7, a novel plate chain conveyer capable of lifting and supporting comprises a head frame 1, a tail frame 2, a chain 3, a chain platen 4, a front support 5, a rear support 6, an external frame 7 and a middle frame 19, wherein the head frame 1 and the tail frame 2 are rotatably connected with a chain wheel 13, the chain 3 and the chain wheel 13 positioned on the head frame 1 and the tail frame 2 form chain transmission, the head frame 1 is provided with a power part for driving the chain wheel 13 positioned on the head frame 1 to rotate, the chain platen 4 is fixedly connected on the chain 3, the front support 5 and the rear support 6 are provided with a plurality of parts and are all arranged on the chain platen 4, the external frame 7 and the middle frame 19 are all arranged on the periphery of the chain 3, and the middle frame 19 is positioned in the external frame 7, the middle frame 19 is respectively provided with a front supporting track 17 and a rear supporting track 18 with tracks arranged in an up-and-down manner, a workpiece is placed at the tops of the front support 5 and the rear support 6, the bottoms of the front support 5 and the rear support 6 on which the workpiece is placed are respectively abutted against the tops of the front supporting track 17 and the rear supporting track 18 under the action of gravity of the workpiece, and the workpiece moves along with the chain 3 and synchronously ascends and descends along with the up-and-down manner of the front supporting track 17 or the rear supporting track 18.

The chain 3 is formed by hinging a plurality of chain links end to end, the chain bedplate 4 also comprises a plurality of independent bedplate, each bedplate is fixedly connected to each chain link, and the chain 3 is a plate type chain.

The power portion includes drive arrangement 8, driving pulley 9, driven pulley 10, belt 11 and drive pivot 12, drive arrangement 8 including equal fixed connection in driving motor and the gearbox on the aircraft nose frame 1, driving motor's motor shaft with the coaxial fixed connection of the power input shaft of gearbox, driving pulley 9 fixed connection in on the power output shaft of gearbox, drive pivot 12 rotate connect in on the aircraft nose frame 1, driven pulley 10 fixed connection in the one end of drive pivot 12, driving pulley 9 driven pulley 10 with belt transmission is constituteed to belt 11. The driving motor transmits power to the driving belt wheel 9 through the gearbox, the driving belt wheel 9 drives the driven belt wheel 10 to rotate through the belt 11, and the driven belt wheel 10 drives the driving rotating shaft 12 to rotate.

The last rotation of afterbody frame 2 is connected with driven spindle 16, drive pivot 12 with the direction of transportation of 16 equal level settings of driven spindle and perpendicular to work pieces, drive pivot 12 with equal coaxial fixedly connected with two on the driven spindle 16 sprocket 13. The driving shaft 12 drives the chain wheel 13 to rotate.

Every the periphery of sprocket 13 has all seted up a plurality of sprocket grooves 14 along its circumference evenly spaced, the inboard rotation of chain 3 is connected with a plurality of chain gyro wheels 15 that set up along its direction of motion evenly spaced, chain gyro wheel 15 with sprocket grooves 14 matches each other. The chain roller 15 and the chain wheel groove 14 are matched with each other, and the chain wheel groove 14 drives the chain 3 to rotate through the chain roller 15 embedded in the chain roller 14 when the chain wheel 13 on the driving rotating shaft 12 rotates.

The front support 5 and the rear support 6 both comprise an upper fixed seat 25, a lower fixed seat 26, a support rod 27, a return spring 28 and a travelling wheel 29, the upper fixing seat 25 and the lower fixing seat 26 are respectively fixedly connected to the top and the bottom of the chain bedplate 4, the supporting rod 27 is perpendicular to the chain bedplate 4 and sequentially passes through the upper fixing seat 25 and the lower fixing seat 26, the supporting rod 27 moves along the central axis direction thereof, the return spring 28 is sleeved on the supporting rod 27, the walking wheel 29 is installed at one end of the supporting rod 27, two ends of the return spring 28 are respectively and fixedly connected with the lower fixing seat 26 and one end of the supporting rod 27, a supporting pin 30 is fixedly connected to the upper fixing seat 25 of the front support 5, and a supporting block 31 is fixedly connected to the upper fixing seat 25 of the rear support 6; the rim of the travelling wheel 29 of the front support 5 is abutted against the top of the front support rail 17 and rolls, and the rim of the travelling wheel 29 of the rear support 6 is abutted against the top of the rear support rail 18 and rolls thereon. The supporting rod 27 can move along the direction of the central axis thereof, under the action of the gravity of the workpiece, the traveling wheels 29 at the bottom of the supporting rod 27 always cling to and roll with the front supporting track 17 or the rear supporting track 18, when the track of the front supporting track 17 or the rear supporting track 18 is in a high-low fluctuation state, the supporting rod 27 can also fluctuate with the front supporting track 17 or the rear supporting track 18, the workpiece is vice versa, and when the front support 5 and the rear support 6 finish the transportation motion of the workpiece to the bottom, the supporting rod 27 is restored under the elastic force action of the return spring 28; the supporting pins 30 are used for positioning and supporting the workpiece, and the supporting blocks 31 are used for supporting the workpiece; every two front supports 5 and two rear supports 6 form a group to form a station for placing a workpiece, five stations including a station one, a station two, a station three, a station four and a station five are shown in fig. 1, but the station is only one embodiment and can be deleted according to actual process requirements, and the distance between the two front supports 5, the distance between the two rear supports 6 and the distance between the front supports 5 and the rear supports 6 can be designed according to the structural size of the workpiece.

The upper part and the lower part of the middle frame 19 are respectively provided with a chain guide rail 20 and a return guide rail 22, the chain guide rail 20 and the return guide rail 22 are both parallel to the conveying direction of the workpiece, and the rims of the chain rollers 15 positioned at the top and the bottom are respectively abutted against the chain guide rail 20 and the return guide rail 22 and roll on the same. The rims of the chain rollers 15 at the top and bottom are respectively abutted against and rolled on the chain guide 20 and the return guide 22, so that the rigidity and strength of the whole chain 3 can be maintained, and a plurality of workpieces can be safely and firmly supported for transportation.

The tracks of the front support rail 17 and the rear support rail 18 are smoothly transited and continuous. The horizontal interval of the fluctuation starting and ending positions of the front supporting rail 17 and the back supporting rail 18 is equal to the horizontal interval of the front supporting 5 and the back supporting 6 in the same group, so that the supporting rods 27 on the front supporting 5 and the back supporting 6 in the same group can be synchronously lifted, the level of a workpiece during lifting is ensured, the track fluctuation modes of the front supporting rail 17 and the back supporting rail 18 are designed according to the equipment height of each process and the distance interval of every two pieces of process equipment, the workpiece can adapt to the height of each process equipment on a production line so as to be convenient to process, the production efficiency is improved, the track fluctuation modes of the front supporting rail 17 and the back supporting rail 18 are designed, the design can be customized and easily designed according to plant equipment arrangement of different customers, the change can be easily realized in a certain fixed plant according to different production processes, and the flexible production is realized.

The chain guide 20 and the return guide 22 are provided in plural. The chain guide rail 20 and the return guide rail 22 are arranged at intervals along the width direction of the chain 3, so that the rigidity and strength of the whole chain 3 can be better ensured, and a plurality of workpieces are supported to be transported more safely and more reliably.

A cover plate 24 is laid on the top between the outer frame 7 and the middle frame 19. An operator may stand on the cover plate 24 for operation.

The fixed connection referred to in this application may be a threaded connection, a welded connection or an adhesive connection.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The novel plate chain conveyor capable of being supported in a lifting mode is characterized by comprising a machine head frame (1), a tail portion frame (2), a chain (3), a chain table plate (4), a front support (5), a rear support (6), an outer frame (7) and a middle frame (19), wherein chain wheels (13) are rotatably connected to the machine head frame (1) and the tail portion frame (2), the chain (3) and the chain wheels (13) positioned on the machine head frame (1) and the tail portion frame (2) form chain transmission, a power portion is arranged on the machine head frame (1) and used for driving the chain wheels (13) positioned on the machine head frame (1) to rotate, the chain table plate (4) is fixedly connected to the chain (3), a plurality of front supports (5) and a plurality of rear supports (6) are arranged and are all installed on the chain table plate (4), the outer rack (7) and the middle rack (19) are arranged on the periphery of the chain (3), the middle rack (19) is located in the outer rack (7), a front supporting track (17) and a rear supporting track (18) which are arranged in a track up-and-down mode are arranged on the middle rack (19) respectively, a workpiece is placed at the tops of the front support (5) and the rear support (6), the bottoms of the front support (5) and the rear support (6) where the workpiece is placed are abutted to the tops of the front supporting track (17) and the rear supporting track (18) respectively under the action of gravity of the workpiece, and the workpiece moves along with the chain (3) and simultaneously rises and falls along with the up-and-down mode of the front supporting track (17) or the rear supporting track (18).

2. The novel plate link chain conveyor capable of being supported in a lifting way as claimed in claim 1, the power part comprises a driving device (8), a driving belt wheel (9), a driven belt wheel (10), a belt (11) and a driving rotating shaft (12), the driving device (8) comprises a driving motor and a gear box which are both fixedly connected with the handpiece rack (1), a motor shaft of the driving motor is coaxially and fixedly connected with a power input shaft of the gearbox, the driving belt wheel (9) is fixedly connected with a power output shaft of the gearbox, the driving rotating shaft (12) is rotationally connected to the handpiece rack (1), the driven belt wheel (10) is fixedly connected to one end of the driving rotating shaft (12), the driving belt wheel (9), the driven belt wheel (10) and the belt (11) form belt transmission.

3. The novel plate chain conveyor capable of being supported in a lifting mode as claimed in claim 2, wherein a driven rotating shaft (16) is rotatably connected to the tail frame (2), the driving rotating shaft (12) and the driven rotating shaft (16) are horizontally arranged and perpendicular to the conveying direction of workpieces, and two chain wheels (13) are coaxially and fixedly connected to the driving rotating shaft (12) and the driven rotating shaft (16).

4. The novel plate chain conveyor capable of being supported in a lifting mode as claimed in claim 3, wherein a plurality of chain wheel grooves (14) are formed in the periphery of each chain wheel (13) at equal intervals along the circumferential direction of the chain wheel, a plurality of chain rollers (15) arranged at equal intervals along the moving direction of the chain wheel are rotatably connected to the inner side of the chain (3), and the chain rollers (15) and the chain wheel grooves (14) are matched with each other.

5. The novel plate chain conveyor capable of being supported in a lifting mode as claimed in claim 4, wherein each of the front support (5) and the rear support (6) comprises an upper fixing seat (25), a lower fixing seat (26), a supporting rod (27), a return spring (28) and a traveling wheel (29), the upper fixing seat (25) and the lower fixing seat (26) are fixedly connected to the top and the bottom of the chain bedplate (4) respectively, the supporting rod (27) is perpendicular to the chain bedplate (4) and sequentially penetrates through the upper fixing seat (25) and the lower fixing seat (26), the supporting rod (27) moves along the direction of the central axis of the supporting rod, the return spring (28) is sleeved on the supporting rod (27), the traveling wheel (29) is installed at one end of the supporting rod (27), and two ends of the return spring (28) are fixedly connected with one ends of the lower fixing seat (26) and the supporting rod (27) respectively, a supporting pin (30) is fixedly connected to the upper fixing seat (25) of the front support (5), and a supporting block (31) is fixedly connected to the upper fixing seat (25) of the rear support (6); the rim of the walking wheel (29) of the front support (5) is abutted against and rolls on the top of the front support track (17), and the rim of the walking wheel (29) of the rear support (6) is abutted against and rolls on the top of the rear support track (18).

6. The novel plate chain conveyor capable of being supported in a lifting mode is characterized in that a chain guide rail (20) and a return guide rail (22) are respectively arranged on the upper portion and the lower portion of the middle frame (19), the chain guide rail (20) and the return guide rail (22) are parallel to the conveying direction of workpieces, and the rims of the chain rollers (15) on the top portion and the bottom portion are respectively abutted to the chain guide rail (20) and the return guide rail (22) and roll on the chain guide rail (20) and the return guide rail.

7. The new type plate chain conveyor capable of lifting and supporting as claimed in claim 1, wherein the tracks of the front support rail (17) and the rear support rail (18) are smoothly transited and continuous.

8. The novel plate chain conveyor capable of being supported in a lifting mode as claimed in claim 6, wherein a plurality of the chain guide rail (20) and the return guide rail (22) are arranged.

9. The new type of plate link chain conveyor of any one of claims 1-8, characterized in that a cover plate (24) is laid on the top between the outer frame (7) and the middle frame (19).