托盘升降机

Abstract

本实用新型公开了一种托盘升降机，包括机架和至少一个升降输送装置，所述升降输送装置包括升降座、升降驱动机构、输送线体和举升定位机构；其中，所述升降座沿上下方向滑动连接在所述机架上，所述升降驱动机构连接在所述机架上并与所述升降座相连并用于驱动所述升降座上下移动，所述输送线体连接在所述升降座上并用于承接外部输送过来的托盘以及用于将位于所述输送线体上的托盘向外输送，所述举升定位机构连接在所述升降座上，所述举升定位机构用于托起位于所述输送线体上的托盘并对托起的托盘进行定位。本实用新型能够在带动托盘垂直升降时对托盘进行定位，能够避免托盘的位置发生偏斜，能够避免托盘在对接输送时出现卡滞甚至卡死的问题。

Claims

1. A pallet lift, characterized in that, It includes a frame (1) and at least one lifting and conveying device (2), the lifting and conveying device (2) including a lifting seat (3), a lifting drive mechanism (4), a conveying line (5) and a lifting and positioning mechanism (6). The lifting seat (3) is slidably connected to the frame (1) in the vertical direction; The lifting drive mechanism (4) is connected to the frame (1) and connected to the lifting seat (3) and is used to drive the lifting seat (3) to move up and down; The conveyor line (5) is connected to the lifting seat (3) and is used to receive the pallets transported from the outside and to transport the pallets located on the conveyor line (5) outward. The lifting and positioning mechanism (6) is connected to the lifting seat (3). The lifting and positioning mechanism (6) is used to lift the pallet located on the conveyor line (5) and position the lifted pallet. The lifting and positioning mechanism (6) is also used to put the lifted pallet back onto the conveyor line (5).

2. The pallet lift of claim 1, wherein, The lifting drive mechanism (4) includes a drive cylinder (7), a drive seat (8), at least one drive sprocket (9), and a drive chain (10) corresponding to each drive sprocket (9). The drive seat (8) is connected to the drive cylinder (7); The drive sprocket (9) is rotatably connected to the drive seat (8); The drive chain (10) is connected to the corresponding drive sprocket (9), one end of the drive chain (10) is connected to the frame (1), and the other end of the drive chain (10) is connected to the lifting seat (3); The drive cylinder (7) is connected to the frame (1) and is used to drive the drive seat (8) to move up and down, thereby driving the lifting seat (3) to move up and down through the drive sprocket (9) and the drive chain (10).

3. The pallet lift of claim 1, wherein, The lifting and positioning mechanism (6) includes a lifting seat (11), a lifting cylinder (12), at least two positioning pins (13) and multiple support blocks (14). The lifting seat (11) is slidably connected to the lifting seat (3) in the vertical direction; The support block (14) and the positioning pin (13) are respectively connected to the lifting seat (11); The lifting cylinder (12) is connected to the frame (1) and connected to the lifting seat (11). The lifting cylinder (12) is used to drive the lifting seat (11) to rise and thus drive the support block (14) to move upward to lift the pallet on the conveyor line (5) and drive the positioning pin (13) to move upward to insert into the positioning hole on the pallet. The lifting cylinder (12) is also used to drive the lifting seat (11) to fall and thus drive the support block (14) to fall to put the lifted pallet back onto the conveyor line (5).

4. The pallet lift according to claim 3, characterized in that, The lifting seat (3) includes an upper plate (15), a lower plate (16) and at least two guide rods (17). The guide rod (17) is slidably connected to the lifting seat (3) in the up and down direction; The upper plate (15) is connected to the upper end of the guide rod (17), and the support block (14) and the positioning pin (13) are both connected to the upper plate (15); The lower plate (16) is connected to the lower end of the guide rod (17); The cylinder body of the lifting cylinder (12) is connected to the lifting seat (3), and the piston rod of the lifting cylinder (12) is connected to the upper plate (15).

5. The pallet lift of claim 4, wherein, The lifting cylinder (12) has a mounting plate (18) connected to its cylinder body; The mounting plate (18) is located above the lower plate (16), and an upper limit bolt (19) is connected to the mounting plate (18). The lower plate (16) is connected to a lower limit bolt (20) for abutting against the upper limit bolt (19) when the lifting cylinder (12) drives the upper plate (15), the guide rod (17) and the lower plate (16) to move upward into place. The lower plate (16) is also connected to an elastic buffer (21) for abutting against the mounting plate (18) when the lifting cylinder (12) drives the upper plate (15), the guide rod (17) and the lower plate (16) to move upward into place.

6. The pallet lift of claim 4, wherein, The conveyor line (5) includes a drive shaft (22), a driven shaft (23), a first left sprocket, a second left sprocket, a first right sprocket, a second right sprocket, a left conveyor chain (24), a right conveyor chain (25), a left support bar (26), a right support bar, and a conveyor motor (27). The drive shaft (22) and the driven shaft (23) are rotatably connected to the lifting seat (3); The first left sprocket is connected to the left end of the drive shaft (22), and the first right sprocket is connected to the right end of the drive shaft (22); The second left sprocket is connected to the left end of the driven shaft (23), and the second right sprocket is connected to the right end of the driven shaft (23); The left conveyor chain (24) is connected to the first left sprocket and the second left sprocket, the right conveyor chain (25) is connected to the first right sprocket and the second right sprocket, the tray is used to support the left conveyor chain (24) and the right conveyor chain (25), and the upper plate (15) is located between the left conveyor chain (24) and the right conveyor chain (25); The left support bar (26) is connected to the lifting seat (3) and located inside the left conveying chain (24) and is used to support the left conveying chain (24). The right support bar is connected to the lifting seat (3) and is located inside the right conveying chain (25) and is used to support the right conveying chain (25). The conveying motor (27) is connected to the lifting seat (3), and the conveying motor (27) is connected to the drive shaft (22) and is used to drive the drive shaft (22) to rotate.

7. The pallet lift of claim 6, wherein, The lifting and conveying device (2) also includes a first cover (28) connected to the lifting seat (3), and the left conveying chain (24), the right conveying chain (25) and the upper plate (15) are all located inside the first cover (28); The first cover (28) is provided with a left slot (29), a right slot (30), a first through hole (31) corresponding to the support block (14) and a second through hole (32) corresponding to the positioning pin (13); The upper end of the left conveyor chain (24) passes through the left slot (29) and protrudes upwards into the first cover (28), and the upper end of the right conveyor chain (25) passes through the right slot (30) and protrudes upwards into the first cover (28). The left conveyor chain (24) and the right conveyor chain (25) are used to support the pallet. The support block (14) is used to pass upward through the corresponding first through hole (31) and lift the tray located on the left conveyor chain (24) and the right conveyor chain (25) when the lifting cylinder (12) drives the upper plate (15) to rise. The positioning pin (13) is used to pass upward through the corresponding second through hole (32) and extend into the positioning hole on the tray when the lifting cylinder (12) drives the upper plate (15) to rise.

8. The pallet lift of claim 1, wherein, The frame (1) is also connected to a second cover (33) covering the outside of the lifting drive mechanism (4).

9. The pallet lift of claim 1, wherein, The lifting and conveying device (2) also includes a first sensor (34), which is connected to the lifting seat (3) and used to detect whether the conveying line (5) has delivered the received pallet to the correct position.

10. The pallet lift of claim 1, wherein, The lifting and conveying device (2) also includes a second sensor (36), which is connected to the lifting seat (3) and used to detect whether there are products on the tray located on the conveyor line (5).

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