CN109896242B

CN109896242B - Pallet conveying line

Info

Publication number: CN109896242B
Application number: CN201910209093.1A
Authority: CN
Inventors: 卢云江
Original assignee: Guangzhou Yunwo Automation Equipment Co ltd
Current assignee: Guangzhou Yunwo Automation Equipment Co ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2024-05-24
Anticipated expiration: 2039-03-19
Also published as: CN109896242A

Abstract

The invention discloses a tray conveying line, which comprises a first inclined track assembly, a second inclined track assembly, a first conveying assembly and a second conveying assembly; the first inclined rail component gradually inclines downwards from the first end to the second end, and the first inclined rail component is used for guiding the tray to slide downwards towards the second end; the second inclined track assembly gradually inclines downwards from the third end to the fourth end, and the second inclined track assembly is used for guiding the tray to slide downwards towards the fourth end; the first transport assembly is used for receiving the tray sliding downwards from the second end of the first inclined track assembly and conveying the tray onto the third end of the second inclined track assembly; the second transport assembly is configured to receive a pallet sliding down from the fourth end of the second angled track assembly and to transport the pallet to the first end of the first angled track assembly. The invention can circularly convey the tray, has high automation degree and low manufacturing cost, and is beneficial to popularization.

Description

Pallet conveying line

Technical Field

The invention relates to a tray conveying line.

Background

Conveyor lines are widely used in the field of machining and the like as equipment for conveying articles. The tray conveying line is used as a common conveying line, and in the production process of products, workpieces are borne by the tray and conveyed by the tray conveying line, so that the workpieces are conveyed in the mode. However, the existing tray conveying line can only convey the tray unidirectionally along a straight line direction, but cannot convey the tray circularly, so that operators often need to take the tray from the tail end of the tray conveying line and discharge the tray to the head end of the tray conveying line, and the tray conveying line is inconvenient to use.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide a pallet conveying line which can circularly convey pallets by adopting a combined design of a first inclined track assembly, a second inclined track assembly, a first conveying assembly and a second conveying assembly.

The invention adopts the following technical scheme:

A pallet conveyor line comprising a first inclined rail assembly, a second inclined rail assembly, a first conveyor assembly, a second conveyor assembly; one end of the first inclined track assembly is formed into a first end, and the other end of the first inclined track assembly is formed into a second end; the first inclined rail component gradually inclines downwards from the first end to the second end, and the first inclined rail component is used for guiding the tray to slide downwards towards the second end; one end of the second inclined track component is formed into a third end, and the other end of the second inclined track component is formed into a fourth end; the second inclined track assembly gradually inclines downwards from the third end to the fourth end, and the second inclined track assembly is used for guiding the tray to slide downwards towards the fourth end; the first transport assembly is used for receiving the tray sliding downwards from the second end of the first inclined track assembly and conveying the tray onto the third end of the second inclined track assembly; the second conveying assembly is used for receiving the tray sliding downwards from the fourth end of the second inclined track assembly and conveying the tray to the first end of the first inclined track assembly; the second conveying assembly comprises a transfer device, a mounting frame positioned at one side of the transfer device, a carrying piece which is arranged on the mounting frame in a lifting manner and a lifting device; a first end of the first angled track assembly is above the transfer device; the lifting device is used for driving the carrying piece to move to a lower working position connected with the transferring device and is also used for driving the carrying piece to move to an upper working position connected with the first end of the first inclined track assembly; the transfer device is used for receiving the tray sliding downwards from the fourth end of the second inclined track assembly and guiding the tray onto the carrying piece when the carrying piece is positioned at the lower working position; the carrier comprises a first transfer rail module; the first transfer rail module is used for guiding the tray to the first end of the first inclined rail assembly when the carrying piece is positioned at the upper working position, one end of the first transfer rail module, which is close to the first inclined rail assembly, is formed into a fifth end, and one end, which is close to the transfer device, is formed into a sixth end; the first transfer rail module gradually inclines downwards from the sixth end to the fifth end; a blocking rod is arranged on one side, close to the first inclined track assembly, of the mounting frame; the stop lever is used to block a pallet placed on the carrier when the carrier is in the lower operating position and when it is moved between the lower operating position and the upper operating position.

The lifting device comprises a swinging seat, a first cylinder and a second cylinder; the top ends of the piston rods of the first cylinder and the second cylinder are respectively hinged with the swing seat; the carrying piece is pivoted on the swinging seat.

The first inclined track assembly comprises two first tracks which are opposite and are arranged at intervals; the first rail is pivoted with a plurality of first supporting rollers which are sequentially arranged along the length direction of the first rail; the central axis of the first supporting roller is horizontally arranged; the second inclined track assembly comprises two second tracks which are opposite and are arranged at intervals; the second rail is pivoted with a plurality of second supporting rollers which are sequentially arranged along the length direction of the second rail, and the central axis of each second supporting roller is horizontally arranged.

A first baffle is arranged on one side of the first transfer track module, which is far away from the transfer device, and the first transfer track module comprises two opposite and spaced third tracks; the third rail is pivoted with a plurality of third supporting rollers which are sequentially arranged along the length direction of the third rail, and the central axis of each third supporting roller is horizontally arranged.

The first conveying assembly comprises a carrying seat, a translation driving device, a fixing device, a first pushing device and a second pushing device, wherein the fixing device is arranged on the carrying seat and used for fixing the tray; the translation driving device is used for driving the carrying seat to move to a first working position connected with the second end of the first inclined track assembly and is also used for driving the carrying seat to move to a second working position connected with the third end of the second inclined track assembly; the first pushing device is used for pushing the tray from the second end of the first inclined track assembly to the carrying seat when the carrying seat is located at the first working position; the second pushing device is used for pushing the tray from the carrier seat to the third end of the second inclined track assembly when the carrier seat is located at the second working position.

The fixing device comprises two clamping blocks which are oppositely arranged, and two third cylinders which are respectively in one-to-one correspondence with the two clamping blocks; and a piston rod of the third cylinder is connected with the corresponding clamping blocks and is used for driving the corresponding clamping blocks to move along the arrangement direction of the two clamping blocks.

The fixing device also comprises a clamping hook block and a rotary power component for driving the clamping hook block to rotate.

The first pushing device comprises a fourth cylinder and a first pushing seat connected with a piston rod of the fourth cylinder; the second pushing device comprises a fifth cylinder and a second pushing seat connected with a piston rod of the fifth cylinder.

The transfer device comprises a second transfer track module, wherein one end, close to the mounting frame, of the second transfer track module is formed into a seventh end, and one end, close to the second inclined track assembly, of the second transfer track module is formed into an eighth end; the second transfer rail module gradually inclines downwards from the eighth end to the seventh end; and one side, far away from the second inclined track assembly, of the eighth end of the second transfer track module is provided with a second baffle.

The transfer device further comprises a sixth cylinder for driving the second transfer track module to lift; the second transfer track module comprises two opposite fourth tracks which are arranged at intervals, a plurality of fourth support rollers which are sequentially arranged along the length direction of the fourth tracks are pivoted on the fourth tracks, and the central axes of the fourth support rollers are horizontally arranged.

Compared with the prior art, the invention has the beneficial effects that: the tray conveying line provided by the invention can circularly convey trays by adopting the combination design of the first inclined track assembly, the second inclined track assembly, the first conveying assembly and the second conveying assembly and reasonably arranging the structures of the first inclined track assembly, the second inclined track assembly and the second conveying assembly so as to be convenient to use; in addition, the manufacturing cost can be reduced, thereby being beneficial to popularization.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of a first transport assembly;

FIG. 3 is a schematic view of a carriage and a translational drive device;

FIG. 4 is a schematic diagram of a second transport assembly;

FIG. 5 is a schematic view of the structure of the carrier;

FIG. 6 is a schematic diagram of a transfer device;

FIG. 7 is a schematic structural view of a first angled track assembly and a second angled track assembly;

FIG. 8 is an enlarged view at A of FIG. 7;

FIG. 9 is an enlarged view at B of FIG. 7;

In the figure: 100. a first angled track assembly; 110. a first track; 120. a first support roller; 130. the first limit roller; 200. a second angled track assembly; 210. a second track; 220. a second support roller; 230. the second limit roller; 300. a first transport assembly; 310. a carrying seat; 320. a translation driving device; 330. a fixing device; 331. clamping blocks; 332. a third cylinder; 341. a rotary power member; 342. a hook block; 350. a first pushing device; 351. a fourth cylinder; 352. a first pushing seat; 360. a second pushing device; 361. a fifth cylinder; 362. a second pushing seat; 400. a second transport assembly; 410. a second transfer rail module; 411. a fourth track; 412. a fourth support roller; 420. a mounting frame; 421. a gear lever; 430. a carrier; 431. a first transfer rail module; 432. a third support roller; 433. a third track; 434. a fourth transfer rail module; 435. a sixth support roller; 436. a sixth track; 437. a third transfer rail module; 438. a fifth track; 439. a fifth support roller; 440. a lifting device; 441. a swinging seat; 442. a first cylinder; 443. a second cylinder; 480. and a sixth cylinder.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

As shown in fig. 1-9, a pallet conveyor line includes a first inclined track assembly 100, a second inclined track assembly 200, a first conveyor assembly 300, a second conveyor assembly 400; one end of the first inclined rail assembly 100 is formed as a first end, and the other end is formed as a second end; the first inclined rail assembly 100 is gradually inclined downwards from the first end to the second end, and the first inclined rail assembly 100 is used for guiding the tray to slide downwards towards the second end; one end of the second inclined rail assembly 200 is formed as a third end, and the other end is formed as a fourth end; the second inclined rail assembly 200 is inclined downwards gradually from the third end to the fourth end, and the second inclined rail assembly 200 is used for guiding the tray to slide downwards towards the fourth end; the first carriage assembly 300 is configured to receive a tray slid down from the second end of the first inclined rail assembly 100 and to transfer the tray onto the third end of the second inclined rail assembly 200; the second transporting assembly 400 is configured to receive the tray sliding down from the fourth end of the second inclined rail assembly 200 and to convey the tray to the first end of the first inclined rail assembly 100; the second transporting assembly 400 includes a transfer device, a mounting frame 420 at one side of the transfer device, a carrier 430 liftably mounted on the mounting frame 420, and a lifter 440; the first end of the first inclined rail assembly 100 is higher than the transfer device; the lifting device 440 is used for driving the carrying member 430 to move to a lower working position engaged with the transferring device, and is also used for driving the carrying member 430 to move to an upper working position engaged with the first end of the first inclined rail assembly 100; the transfer device is used for receiving the tray sliding downwards from the fourth end of the second inclined rail assembly 200 and guiding the tray onto the carrying member 430 when the carrying member 430 is located at the lower working position; the carrier 430 includes a first transfer rail module 431; the first transfer rail module 431 is used for guiding the tray to the first end of the first inclined rail assembly 100 when the carrying member 430 is located at the upper working position, and one end of the first transfer rail module 431 close to the first inclined rail assembly 100 is formed as a fifth end, and one end close to the transfer device is formed as a sixth end; the first transfer rail module 431 gradually inclines downwards from the sixth end to the fifth end; a blocking rod 421 is arranged on one side of the mounting frame 420 close to the first inclined track assembly 100; the blocking lever 421 serves to block a tray placed on the carrier 430 when the carrier 430 moves between the lower operating position and the upper operating position.

In use, a tray may be placed on the third end of the second inclined rail assembly 200, then the tray is slid down the second inclined rail assembly 200 from the third end toward the fourth end along the second inclined rail assembly 200, then the tray slid down the fourth end of the second inclined rail assembly 200 is received by the transfer device of the second conveyor assembly 400, and at the same time, the carrier 430 is driven to move to the lower working position by the lifting device 440, the tray is guided onto the carrier 430 by the transfer device, and then the tray is slid down the first transfer rail module 431 onto the first end of the first inclined rail assembly 100 and slid down the first inclined rail assembly 100 from the first end toward the second end, and then the tray slid down the second end of the first inclined rail assembly 100 is received by the first conveyor assembly 300 and is conveyed to the third end of the second inclined rail assembly 200, so that the tray may be circulated. It should be noted that, when the carrying member 430 moves between the lower working position and the upper working position, the blocking rod 421 blocks the tray on the carrying member 430, so that the tray is prevented from sliding out of the first transfer rail module 431, and the tray can be smoothly transported to the upper working position along with the carrying member 430.

Preferably, the first inclined rail assembly 100 includes two first rails 110 disposed opposite to each other at a distance; the first rail 110 is pivotally connected to a plurality of first supporting rollers 120 sequentially arranged along the length direction thereof; the central axis of the first supporting roller 120 is horizontally disposed. When the tray is conveyed onto the first inclined rail assembly 100, two sides of the tray are respectively supported by the two first rails 110 and can slide downwards along the length direction of the first rails 110, and in the process of sliding the tray, the first supporting rollers 120 on the first rails 110 are in rolling fit with the tray, so that friction and abrasion can be reduced, the service life of the first inclined rail assembly 100 is prolonged, and the tray can slide downwards more smoothly.

Preferably, a first limiting roller unit is disposed on each of the two first rails 110; the first supporting rollers 120 on the two first rails 110 are located between the two first limiting roller units; the first limiting roller unit includes a plurality of first limiting rollers 130 pivoted on the first rail 110 and sequentially arranged along the length direction of the first rail 110, and the central axis of the first limiting rollers 130 is vertically arranged and is used for rolling fit with the tray. In the process of sliding the tray along the first inclined rail assembly 100, the first limiting roller units of the two first rails 110 can respectively limit two sides of the tray, so as to avoid the phenomenon of deflection when the tray slides down along the first inclined rail assembly 100.

The second inclined rail assembly 200 includes two second rails 210 disposed opposite to each other and spaced apart from each other; the second rail 210 is pivotally connected with a plurality of second supporting rollers 220 sequentially arranged along the length direction thereof, and the central axis of the second supporting rollers 220 is horizontally arranged. When the tray is conveyed to the second inclined rail assembly 200, the tray slides down along the length direction of the second rail 210, and during the sliding process of the tray, the second supporting roller 220 on the second rail 210 is matched with the tray in a rolling way, so that friction and abrasion can be reduced, the service life of the second inclined rail assembly 200 can be prolonged, and the sliding of the tray is smoother.

Preferably, a second limiting roller unit is disposed on each of the two second rails 210, and the second supporting roller 220 on each of the two second rails 210 is located between the two second limiting roller units; the second limiting roller unit includes a plurality of second limiting rollers 230 pivotally connected to the second rail 210 and sequentially arranged along the length direction of the second rail 210, and the central axis of the second limiting roller 230 is vertically disposed and is used for rolling fit with the tray. When the tray slides down along the second inclined rail assembly 200, the second limiting roller units of the two second rails 210 can respectively limit two sides of the tray, so that the tray can be prevented from being inclined when sliding up and down along the second inclined rail assembly 200.

The lifting device 440 comprises a swing seat 441, a first cylinder 442 and a second cylinder 443; the top ends of the piston rods of the first cylinder 442 and the second cylinder 443 are respectively hinged with the swing seat 441; the carrying member 430 is pivotally connected to the swing seat 441. In use, the first cylinder 442 and the second cylinder 443 work, the piston rod of the first cylinder 442 moves upward, the piston rod of the second cylinder 443 moves downward, and the swinging seat 441 is driven to swing, so that the carrier 430 is driven to move toward the lower working position by the swinging seat 441, and the piston rod of the second cylinder 443 moves upward, so that the swinging seat 441 is driven to swing, so that the carrier 430 is driven to move toward the upper working position by the swinging seat 441. By reasonably arranging the structure of the lifting device 440, the carrying member 430 can be driven to move and simultaneously the assembly can be facilitated, so that the assembly time can be reduced. Specifically, the circulating conveying line further comprises a support frame, the cylinder body of the first cylinder 442 is hinged to the support frame, and the cylinder body of the second cylinder 443 is fixed to the support frame; the swing seat 441 includes a main frame and a hinge; the hinge joint is hinged with a piston rod of the second air cylinder 443, a sliding groove extending along the length direction of the main frame is formed in the main frame, and an inserting piece inserted into the sliding groove is arranged on the hinge joint.

Of course, in addition to this, the lifting device 440 may also directly use a combination of a motor, a screw nut, or directly use an oil cylinder (a piston rod of the oil cylinder is connected to the carrying member 430), or the like, as long as the carrying member 430 can be driven to move to the lower working position and the upper working position.

A first baffle is disposed at a side of the first transfer rail module 431 away from the transfer device, and the first transfer rail module 431 includes two opposite third rails 433 disposed at intervals; the third rail 433 is pivotally connected to a plurality of third support rollers 432 that are sequentially arranged along the length direction thereof, and the central axis of the third support roller 432 is horizontally disposed. When the lifting device 440 drives the carrying member 430 to move to the upper working position, the tray on the carrying member 430 can slide down onto the first inclined rail assembly 100 through the two third rails 433. In the process of sliding the tray, the third supporting roller 432 on the third rail 433 is in rolling fit with the tray, so that friction and abrasion can be reduced, the service life of the first transfer rail module 431 can be effectively prolonged, and the sliding of the tray can be smoother. Specifically, the length direction of the third track 433 is identical to the length direction of the first track 110.

The transfer device includes a second transfer rail module 410, wherein an end of the second transfer rail module 410, which is close to the mounting frame 420, is formed as a seventh end, and an end, which is close to the second inclined rail assembly 200, is formed as an eighth end; the second transfer rail module 410 is gradually inclined downwards from the eighth end to the seventh end; the eighth end of the second transfer rail module 410 is provided with a second barrier at a side remote from the second inclined rail assembly 200. When the lifting device 440 drives the carrying member 430 to move to the lower working position, the tray may slide down onto the carrying member 430 along the second transfer rail module 410 via the seventh end. By using the second transfer rail module 410 for the transfer device, the tray can slide down onto the carrying member 430 along the second transfer rail module 410 under the action of gravity, so as to transfer the tray and reduce the cost.

Preferably, the second transferring rail module 410 includes two opposite fourth rails 411 disposed at intervals, a plurality of fourth supporting rollers 412 are pivotally connected to the fourth rails 411 and sequentially arranged along the length direction thereof, and central axes of the fourth supporting rollers 412 are disposed horizontally. In the process of sliding the tray along the second transfer rail module 410, the fourth supporting roller 412 on the fourth rail 411 is in rolling fit with the tray, so that friction and abrasion can be reduced, the service life of the second transfer rail module 410 can be effectively prolonged, and the sliding of the tray can be smoother.

Preferably, the transfer device further comprises a third transfer rail module 437, the third transfer rail module 437 for receiving a tray slid down from the fourth end of the second inclined rail assembly 200; the third transfer rail module 437 is located between the two fourth rails 411 of the second transfer rail module 410. The third transfer rail module 437 comprises two oppositely arranged fifth rails 438, wherein a plurality of fifth support rollers 439 are pivoted on the fifth rails 438 and sequentially arranged along the length direction of the fifth rails, and the central axes of the fifth support rollers 439 are horizontally arranged; the length direction of the fourth track 411 is perpendicular to the length direction of the fifth track 438; the transfer device further includes a sixth cylinder 480 for driving the second transfer rail module 410 to lift. In use, the tray can slide down from the second inclined rail assembly 200 to the third transfer rail module 437, and then the sixth air cylinder 480 drives the second transfer rail module 410 to lift up to support the tray by the second transfer rail module 410, and at this time, the tray can slide down along the second transfer rail module 410 to the carrier 430. By combining the second transfer rail module 410, the third transfer rail module 437 and the sixth air cylinder 480, the transfer device can reduce the cost and make the transfer of the tray more stable.

The carrier 430 further includes a first housing; the first transfer rail module 431 is disposed on the first base. A fourth transfer rail module 434 is further fixed on the first base, the fourth transfer rail module 434 includes two opposite and spaced sixth rails 436, a plurality of sixth support rollers 435 are pivotally connected to the sixth rails 436 and sequentially arranged along the length direction thereof, and central axes of the sixth support rollers 435 are horizontally arranged; the length direction of the sixth track 436 is perpendicular to the length direction of the third track 433.

The first conveying assembly 300 includes a carrier 310, a translation driving device 320, a fixing device 330 disposed on the carrier 310 and used for fixing the tray, a first pushing device 350, and a second pushing device 360; the translation driving device 320 is configured to drive the carrier 310 to move to a first working position engaged with the second end of the first inclined rail assembly 100, and is further configured to drive the carrier 310 to move to a second working position engaged with the third end of the second inclined rail assembly 200; the first pushing device 350 is configured to push the tray from the second end of the first inclined rail assembly 100 onto the carrier 310 when the carrier 310 is located at the first working position; the second pushing device 360 is configured to push the tray from the carrier 310 onto the third end of the second inclined rail assembly 200 when the carrier 310 is in the second working position. When the translation driving device 320 drives the carrier 310 to move to the first working position, the first pushing device 350 can be used to push the tray from the second end of the first inclined rail assembly 100 to the carrier 310, at this time, the fixing device 330 can be started to fix the tray by using the fixing device 330, then the carrier 310 is driven to move to the second working position by the translation driving device 320, and then the second pushing device 360 is used to push the tray from the carrier 310 to the third end of the second inclined rail assembly 200.

The fixing device 330 includes two opposite clamping blocks 331, and two third cylinders 332 corresponding to the two clamping blocks 331 one by one; the piston rod of the third cylinder 332 is connected to the corresponding clamping block 331 and is used for driving the corresponding clamping block 331 to move along the arrangement direction of the two clamping blocks 331. When in use, the two clamping blocks 331 are driven to move in opposite directions by the two third air cylinders 332, so that the two clamping blocks 331 can be used for clamping the tray to fix the tray, and the two clamping blocks 331 are driven to move in opposite directions by the two third air cylinders 332, so that the two clamping blocks 331 can release the tray. And by adopting the above structure for the fixing device 330, the assembly is facilitated.

Preferably, the fixing device 330 further includes a hook block 342 and a rotating power component 341 for driving the hook block 342 to rotate. After the tray is pushed onto the carrier 310, the rotating power component 341 may also drive the hook block 342 to rotate, so as to hook the tray by using the hook block 342. The fixing device 330 further combines the hook block 342 and the rotating power part 341 on the basis of adopting two clamping blocks 331 and two third cylinders 332, thereby improving the stability of the tray fixing. The rotary power unit 341 may be a rotary cylinder, a motor, or the like.

The first pushing device 350 comprises a fourth cylinder 351 and a first pushing seat 352 connected with a piston rod of the fourth cylinder 351. When in use, the first pushing seat 352 is driven by the fourth cylinder 351 to move towards the carrier 310, so that the tray is pushed from the second end of the first inclined rail assembly 100 to the carrier 310 by the first pushing seat 352. The second pushing device 360 comprises a fifth cylinder 361 and a second pushing seat 362 connected with a piston rod of the fifth cylinder 361. When in use, the fifth cylinder 361 drives the second pushing seat 362 to move toward the second inclined rail assembly 200, so that the second pushing seat 362 is utilized to push the tray from the carrier seat 310 to the third end of the second inclined rail assembly 200.

Specifically, the first pushing seat 352 includes a first connecting seat connected to a piston rod of the fourth cylinder 351, and a first pushing block connected to the first connecting seat through a first rotating shaft; the cylinder body of the fourth cylinder 351 is located between the two first rails 110 of the first inclined rail assembly 100, so that when the tray slides down along the first inclined rail assembly 100 to the front of the first pushing block, the first pushing block rotates under the action of the supporting action of the tray along with the continuous sliding of the tray, and when the tray slides down to the rear of the first pushing block, the first pushing block can reversely rotate and reset under the action of gravity, and then the fourth cylinder 351 works to drive the first pushing block to move, so that the tray located at the rear of the first pushing block can be pushed towards the carrier seat 310 by the first pushing block.

The second pushing seat 362 includes a second connecting seat connected to a piston rod of the fifth cylinder 361, and a second pushing block connected to the second connecting seat through a second rotating shaft, where a cylinder body of the fifth cylinder 361 is located between the two second rails 210 of the second inclined rail assembly 200, so that when the carrier seat 310 moves to the second position, the fifth cylinder 361 drives the tray to move from below, at this time, the second pushing block moves along with the second connecting seat and rotates under the action of the second connecting seat of the tray, and when the second pushing block moves to the rear of the tray, the second pushing block can reversely rotate and reset under the action of gravity, and then the fifth cylinder 361 works to drive the second connecting seat to move forward together with the second pushing block, so that the tray can be pushed onto the second inclined rail assembly 200 by using the second pushing block.

Preferably, the carrying seat 310 includes a second seat body, and a fifth transfer rail module disposed on the second seat body, where the fifth transfer rail module includes two seventh rails fixed on the second seat body and disposed opposite to each other, and a plurality of seventh supporting rollers sequentially arranged along a length direction of the seventh rails are pivoted on the seventh rails, and central axes of the seventh supporting rollers are disposed horizontally; the length direction of the seventh track is identical to the length direction of the first track 110. By adopting the combination design of the second seat body and the fifth transfer rail module on the carrier seat 310, the tray can be more smoothly moved in or out of the carrier seat 310.

The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims

1. A tray transfer chain, its characterized in that: the device comprises a first inclined track assembly, a second inclined track assembly, a first conveying assembly and a second conveying assembly; one end of the first inclined track assembly is formed into a first end, and the other end of the first inclined track assembly is formed into a second end; the first inclined rail component gradually inclines downwards from the first end to the second end, and the first inclined rail component is used for guiding the tray to slide downwards towards the second end; one end of the second inclined track component is formed into a third end, and the other end of the second inclined track component is formed into a fourth end; the second inclined track assembly gradually inclines downwards from the third end to the fourth end, and the second inclined track assembly is used for guiding the tray to slide downwards towards the fourth end; the first transport assembly is used for receiving the tray sliding downwards from the second end of the first inclined track assembly and conveying the tray onto the third end of the second inclined track assembly; the second conveying assembly is used for receiving the tray sliding downwards from the fourth end of the second inclined track assembly and conveying the tray to the first end of the first inclined track assembly; the second conveying assembly comprises a transfer device, a mounting frame positioned at one side of the transfer device, a carrying piece which is arranged on the mounting frame in a lifting manner and a lifting device; a first end of the first angled track assembly is above the transfer device; the lifting device is used for driving the carrying piece to move to a lower working position connected with the transferring device and is also used for driving the carrying piece to move to an upper working position connected with the first end of the first inclined track assembly; the transfer device is used for receiving the tray sliding downwards from the fourth end of the second inclined track assembly and guiding the tray onto the carrying piece when the carrying piece is positioned at the lower working position; the carrier comprises a first transfer rail module; the first transfer rail module is used for guiding the tray to the first end of the first inclined rail assembly when the carrying piece is positioned at the upper working position, one end of the first transfer rail module, which is close to the first inclined rail assembly, is formed into a fifth end, and one end, which is close to the transfer device, is formed into a sixth end; the first transfer rail module gradually inclines downwards from the sixth end to the fifth end; a blocking rod is arranged on one side, close to the first inclined track assembly, of the mounting frame; the stop lever is used for stopping the tray arranged on the carrying piece when the carrying piece moves between the lower working position and the upper working position;

the lifting device comprises a swinging seat, a first cylinder and a second cylinder; the top ends of the piston rods of the first cylinder and the second cylinder are respectively hinged with the swing seat; the carrying piece is pivoted on the swing seat;

2. The pallet conveyor line of claim 1, wherein: the first inclined track assembly comprises two first tracks which are opposite and are arranged at intervals; the first rail is pivoted with a plurality of first supporting rollers which are sequentially arranged along the length direction of the first rail; the central axis of the first supporting roller is horizontally arranged; the second inclined track assembly comprises two second tracks which are opposite and are arranged at intervals; the second rail is pivoted with a plurality of second supporting rollers which are sequentially arranged along the length direction of the second rail, and the central axis of each second supporting roller is horizontally arranged.

3. The pallet conveyor line of claim 1, wherein: the first conveying assembly comprises a carrying seat, a translation driving device, a fixing device, a first pushing device and a second pushing device, wherein the fixing device is arranged on the carrying seat and used for fixing the tray; the translation driving device is used for driving the carrying seat to move to a first working position connected with the second end of the first inclined track assembly and is also used for driving the carrying seat to move to a second working position connected with the third end of the second inclined track assembly; the first pushing device is used for pushing the tray from the second end of the first inclined track assembly to the carrying seat when the carrying seat is located at the first working position; the second pushing device is used for pushing the tray from the carrier seat to the third end of the second inclined track assembly when the carrier seat is located at the second working position.

4. A pallet conveyor line as claimed in claim 3, characterized in that: the fixing device comprises two clamping blocks which are oppositely arranged, and two third cylinders which are respectively in one-to-one correspondence with the two clamping blocks; and a piston rod of the third cylinder is connected with the corresponding clamping blocks and is used for driving the corresponding clamping blocks to move along the arrangement direction of the two clamping blocks.

5. A pallet conveyor line as claimed in claim 3, characterized in that: the fixing device also comprises a clamping hook block and a rotary power component for driving the clamping hook block to rotate.

6. A pallet conveyor line as claimed in claim 3, characterized in that: the first pushing device comprises a fourth cylinder and a first pushing seat connected with a piston rod of the fourth cylinder; the second pushing device comprises a fifth cylinder and a second pushing seat connected with a piston rod of the fifth cylinder.

7. The pallet conveyor line of claim 1, wherein: the transfer device comprises a second transfer track module, wherein one end, close to the mounting frame, of the second transfer track module is formed into a seventh end, and one end, close to the second inclined track assembly, of the second transfer track module is formed into an eighth end; the second transfer rail module gradually inclines downwards from the eighth end to the seventh end; and one side, far away from the second inclined track assembly, of the eighth end of the second transfer track module is provided with a second baffle.

8. The pallet conveyor line of claim 7, wherein: the transfer device further comprises a sixth cylinder for driving the second transfer track module to lift; the second transfer track module comprises two opposite fourth tracks which are arranged at intervals, a plurality of fourth support rollers which are sequentially arranged along the length direction of the fourth tracks are pivoted on the fourth tracks, and the central axes of the fourth support rollers are horizontally arranged.