Disclosure of Invention
The technical problem to be solved by the invention is to provide a material tray reciprocating lifting device, which is used for directly storing and taking material trays by a forklift and improving the conveying efficiency.
The invention is realized by the following steps: a material tray reciprocating lift device comprising:
the roller way conveying assembly is used for placing and conveying the material tray;
the sliding table assembly is fixedly connected with the roller way conveying assembly;
the lifting assembly is connected with the sliding table assembly in a sliding mode and used for controlling the lifting of the sliding table assembly;
the roller way conveying assembly comprises:
the side edge of the first rack is fixedly connected with the sliding table assembly, and a fork truck matching hole is formed in a front conveying opening of the first rack;
the first roller is rotatably connected with the first machine frame and is positioned at a rear conveying opening of the first machine frame;
the second rollers are rotatably connected with the first machine frame, and the first rollers are positioned on the side edges of the forklift matching openings;
and the conveying motor is fixedly arranged on the first rack, and an output shaft of the conveying motor is in transmission connection with the first roller and the second roller.
Further, the roller way conveying assembly further comprises a third roller rotatably connected with the first rack, and the third roller is located in the forklift matching hole.
Furthermore, the roller way conveying assembly further comprises guide plates, and the two guide plates are fixedly connected with the two sides of the first frame respectively.
Further, the roller way conveying assembly further comprises a first stop photoelectric switch and a second stop photoelectric switch, the first stop photoelectric switch is fixedly arranged at the front conveying port of the first rack, the second stop photoelectric switch is fixedly arranged at the rear conveying port of the first rack, and the first stop photoelectric switch and the second stop photoelectric switch are used for sensing the material tray.
Furthermore, the sliding table assembly comprises a second rack and pulleys, the pulleys are rotatably connected with the second rack, the second rack is fixedly connected with the side edge of the first rack, and the front end and the rear end of the second rack are respectively provided with two pulleys;
the lifting assembly comprises a third rack and guide rails, the guide rails are fixedly connected with the third rack, the guide rails are arranged at the front end and the rear end of the third rack, and one guide rail penetrates through the space between the two pulleys and abuts against the wheel surfaces of the pulleys.
Furthermore, the lifting component also comprises a supporting shaft, a lifting motor, a first chain wheel, a second chain wheel, a third chain wheel, a fourth chain wheel, a first chain and a second chain, the lifting motor is fixedly arranged at the top of the third frame, an output shaft of the lifting motor is fixedly connected with the center of the first chain wheel, the supporting shaft is rotationally connected with the top of the third frame, the supporting shaft is fixedly connected with the centers of the second chain wheel and the third chain wheel, the center of the fourth chain wheel is rotationally connected with the bottom of the third frame, the first chain is wound on the first chain wheel and the second chain wheel, the second chain is wound on the third chain wheel and the fourth chain wheel, and one end of the second chain is fixedly connected with the upper end of the second rack, and the other end of the second chain is fixedly connected with the lower end of the second rack.
The third stop photoelectric switch is fixedly arranged at the top of the third rack, the fourth stop photoelectric switch is fixedly arranged at the bottom of the third rack, and the third stop photoelectric switch and the fourth stop photoelectric switch are used for sensing the second rack.
The invention has the advantages that: 1. roller table conveying assembly can directly carry out the access of material tray with the fork truck cooperation, carries the not transfer chain of co-altitude with material tray, improves conveying efficiency. 2. The whole structure of the roller way conveying assembly is designed in an upper open mode, the height of stored materials can be increased, and the defect that the height of conveyed material products is single due to the fact that the elevator is closed to a lift car is overcome. 3. Set up photoelectric switch, the lift transportation process of automated control material accomplishes business turn over material closed loop management and control to whole set of transfer chain system.
Detailed Description
The embodiment of the invention provides a material tray reciprocating lifting device, solves the technical problem that an elevator objective table in the prior art is inconvenient to directly take and place materials, and achieves the technical effect of improving conveying efficiency.
In order to solve the above problems, the technical solution in the embodiments of the present invention has the following general idea: set up roller table conveying assembly and can directly carry out the access of material tray with the fork truck cooperation, roller table conveying assembly can go up and down for roller table conveying assembly, and overall structure is above-mentioned open-type design, can improve the height of depositing the material, the lift transportation of automated control material.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
Referring to fig. 1 to 3, a preferred embodiment of the material tray reciprocating lifting device of the present invention.
The invention comprises the following steps: the roller way conveying assembly 1 is used for placing and conveying a material tray; the sliding table assembly 2 is fixedly connected with the roller way conveying assembly 1; and the lifting assembly 3 is in sliding connection with the sliding table assembly 2 and is used for controlling the lifting of the sliding table assembly 2 so as to enable the roller way conveying assembly 1 to move up and down.
The roller way conveying assembly 1 comprises: the side edge of the first frame 11 is fixedly connected with the sliding table assembly 2, and a fork truck matching hole 111 is formed in a front conveying opening of the first frame 11; the first roller 12 is rotatably connected with the first frame 11 and is positioned at a rear conveying opening of the first frame 11; the second roller drums 13 are rotatably connected with the first machine frame 11, and the first roller drums 12 are located on the side edges of the forklift matching openings; and the conveying motor 14 is fixedly arranged on the first rack 11, and an output shaft of the conveying motor 14 is in transmission connection with the first roller 12 and the second roller 13. Specifically, the conveying motor 14 drives one first roller 12, two adjacent first rollers 12 are driven by a chain, the first rollers 12 and the second rollers 13 are driven by the chain, and two adjacent second rollers 13 are also driven by the chain. The forklift loading material tray enters the forklift matching hole 111, then the material tray is placed on the second roller 13, the material tray is transported towards the first roller 12 by the rotating second roller 13, and the material tray is transported towards the backward conveying opening by the rotating first roller 12. Or the material tray moves in the direction from the rear conveying opening to the front conveying opening.
The roller way conveying assembly 1 further comprises a third roller 15 rotatably connected with the first rack 11, and the third roller 15 is located in the forklift fitting hole 111. The third roller 15 is here not controlled by the conveyor motor 14, the third roller 15 acting as a support for the material tray.
The roller way conveying assembly 1 further comprises guide plates 16, and the two guide plates 16 are respectively and fixedly connected with two sides of the first frame 11. The guide plate 16 stabilizes the orientation of the material tray during transport.
The roller way conveying assembly 1 further comprises a first stop photoelectric switch 17 and a second stop photoelectric switch 18, the first stop photoelectric switch 17 is fixedly arranged at the front conveying opening of the first machine frame 11, the second stop photoelectric switch 18 is fixedly arranged at the rear conveying opening of the first machine frame 11, and the first stop photoelectric switch 17 and the second stop photoelectric switch 18 are used for sensing the material tray. When the material tray on the roller way conveying assembly 1 moves to the sensing position of the first stopping photoelectric switch 17, the first stopping photoelectric switch 17 senses the material tray, then sends a signal to the conveying motor 14, and the conveying motor 14 stops running, so that the material tray stops moving; when the material tray moves to the position of the second stop photoelectric switch 18, the second stop photoelectric switch 18 sends a signal to the conveying motor 14, and the conveying motor 14 stops running.
The sliding table assembly 2 comprises a second frame 21 and pulleys 22, the pulleys 22 are rotatably connected with the second frame 21, the second frame 21 is fixedly connected with the side edge of the first frame 11, and the front end and the rear end of the second frame 21 are respectively provided with two pulleys 22; the lifting assembly 3 comprises a third frame 31 and a guide rail 32, the guide rail 32 is fixedly connected with the third frame 31, the guide rail 32 is arranged at the front end and the rear end of the third frame 31, and one guide rail 32 passes through between the two pulleys 22 and abuts against the wheel surface of the pulley 22. The pulley 22 rolls on the guide rail 32, reducing the frictional force of the second frame 21 of the slide table assembly 2 when moving up and down, and the second frame 21 is stable in direction when moving up and down. The sliding table assembly 2 and the lifting assembly 3 are respectively arranged at two sides of the conveying direction of the roller way conveying assembly 1.
The lifting assembly 3 further includes a supporting shaft 33, a lifting motor 34, a first chain wheel 35, a second chain wheel 36, a third chain wheel 37, a fourth chain wheel 38, a first chain 39 and a second chain 310, the lifting motor 34 is fixedly disposed at the top of the third frame 31, an output shaft of the lifting motor 34 is fixedly connected to the center of the first chain wheel 35, the supporting shaft 33 is rotatably connected to the top of the third frame 31, the supporting shaft 33 is fixedly connected to the centers of the second chain wheel 36 and the third chain wheel 37, the center of the fourth chain wheel 38 is rotatably connected to the bottom of the third frame 31, the first chain 39 is wound around the first chain wheel 35 and the second chain wheel 36, the second chain 310 is wound around the third chain wheel 37 and the fourth chain wheel 38, and one end of the second chain 310 is fixedly connected to the upper end of the second frame 21, the other end of the second chain 310 is fixedly connected to the lower end of the second frame 21. When the lifting motor 34 drives the supporting shaft 33 to rotate forward through the first chain 39, the second frame 21 moves upward under the action of the second chain 310; when the lift motor 34 drives the support shaft 33 to perform the reverse rotation, the second frame 21 moves downward.
The rack further comprises a third stop photoelectric switch 320 and a fourth stop photoelectric switch 330, the third stop photoelectric switch 320 is fixedly arranged at the top of the third rack 31, the fourth stop photoelectric switch 330 is fixedly arranged at the bottom of the third rack 31, and the third stop photoelectric switch 320 and the fourth stop photoelectric switch 330 are both used for sensing the second rack 21. When the third stop photoelectric switch 320 senses the second frame 21, it sends a signal to the lift motor 34 to stop the operation of the lift motor 34, so that the second frame 21 stops moving upward; when the fourth stop photoelectric switch 330 senses the second frame 21, a signal is sent to the lift motor 34 to stop the operation of the lift motor 34, so that the second frame 21 stops moving downward. The first stop photoelectric switch 17, the second stop photoelectric switch 18, the third stop photoelectric switch 320, and the fourth stop photoelectric switch 330 are conventional photoelectric sensors.
The material tray reciprocating lifting device conveys materials between two conveying lines with different heights, when the roller way conveying assembly 1 is located at the bottom position, the manual forklift receives the materials of the bottom conveying line, then the materials and a tray bearing the materials are placed on the roller way conveying assembly 1, the manual forklift exits after the material tray is conveyed to the sensing position of the second stop photoelectric switch 18, the lifting assembly 3 controls the sliding table assembly 2 and the roller way conveying assembly 1 to move upwards, after the material tray reaches the sensing position of the third stop photoelectric switch 320, the rear conveying port of the roller way conveying assembly 1 is in butt joint with the top conveying line, and the materials are conveyed to the top conveying line from the roller way conveying assembly 1. Otherwise, the material enters the rear conveying opening of the roller way conveying assembly 1 through the top conveying line, then reaches the sensing position of the first stop photoelectric switch 17, the roller way conveying assembly 1 moves downwards, and after reaching the sensing position of the fourth stop photoelectric switch 330, the manual forklift enters the forklift matching opening of the roller way conveying assembly 1 to take out the material.
The equipment provided by the invention realizes automation of material loading and unloading processes, manual operation of the forklift is not needed, the number of the forklift and the number of related personnel are reduced, the safety problem of personnel caused by possible overturn of materials in the operation process is solved, the common manual hydraulic forklift can directly complete the material storing and taking process, and the maintenance and repair cost of the forklift is saved.
The open design can improve the height of the upper material and the lower material, solve the problem of single height of a material conveying gauge of the closed lift car of the elevator, and greatly and reasonably improve the reduction of the area of the cache region of the warehouse. The cache inventory is smaller due to the faster in-and-out speed of the goods. Because the material process from top to bottom is controlled, accomplish business turn over material closed loop management and control to whole set of transfer chain system.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.