A two-station loading and unloading station and method

Abstract

The application discloses a two-station loading and unloading station and a loading and unloading method, and the loading and unloading station comprises an existing catenary conveying system, an inlet conveying machine and an outlet conveying machine are fixedly installed below the catenary conveying system respectively, lifting platforms are installed on both sides of the inlet conveying machine and the outlet conveying machine, a guide rail is fixedly installed between end portions of the inlet conveying machine and the outlet conveying machine, a movable conveying machine is arranged on the guide rail, a tipping conveying machine corresponding to the inlet conveying machine is fixedly installed on the other side of the guide rail, and a tray tipping mechanism is installed at an end portion of the tipping conveying machine. The application can simultaneously complete the loading and unloading work of residual poles and new anodes, can automatically clean residual slag on the tray, reduces labor intensity, and makes the whole loading and unloading system more coordinated and efficient in the loading and unloading process.

Description

TECHNICAL FIELD

[0001] The present application relates to a two-station loading and unloading station and a loading and unloading method, and belongs to the technical field of aluminum electrolysis production equipment. BACKGROUND

[0002] In an aluminum electrolysis plant, the anode assembly workshop is an important workshop for assembling carbon anodes and aluminum guide rods, and the anode loading and unloading station is a key equipment therein. The use effect and work efficiency of the anode loading and unloading station will directly affect the overall production of the entire anode assembly workshop. The existing anode loading and unloading station is mostly provided with one loading and unloading station, that is, the tray loaded with a residual anode or a new anode enters the loading and unloading station for unloading, and after unloading is completed, the tray exits the station and is cleaned by workers to remove the residual slag, so as to facilitate subsequent loading of the residual anode or the new anode on the tray. Therefore, the existing loading and unloading station can only complete loading and unloading of the residual anode or the new anode, cannot simultaneously load and unload the residual anode and the new anode, has low work efficiency, and needs manual cleaning of the residual slag, which is labor-intensive and inconvenient for automatic production. SUMMARY

[0003] In view of the above technical problems, the present application provides a two-station loading and unloading station and a loading and unloading method to improve the work efficiency of the loading and unloading station, reduce the labor intensity, and make the entire loading and unloading system more coordinated and efficient in the loading and unloading process.

[0004] The technical scheme of the present application is as follows: a two-station loading and unloading station, comprising an existing catenary conveying system, an inlet conveying machine and an outlet conveying machine are respectively fixedly installed below the catenary conveying system, lifting platforms are installed on both sides of the inlet conveying machine and the outlet conveying machine, a guide rail is fixedly installed between the end portions of the inlet conveying machine and the outlet conveying machine, a movable conveying machine is arranged on the guide rail, a tilting conveying machine corresponding to the inlet conveying machine is fixedly installed on the other side of the guide rail, and a tray tilting mechanism is installed at the end portion of the tilting conveying machine.

[0005] Further, a dust collecting hood is installed above the tray tilting mechanism.

[0006] Still further, a multi-roller crusher is installed at the bottom of the tray tilting mechanism, and a residual slag conveying machine is installed below the discharge port of the multi-roller crusher.

[0007] Still further, the tray tilting mechanism comprises a base fixedly installed at the bottom of the tilting conveying machine, a rotating shaft is rotatably connected to one end of the base, an oscillating arm is fixedly connected to the end portion of the rotating shaft, two tilting rods are fixedly connected to the rotating shaft, a tilting cylinder is hingedly connected to the other end of the base, and the tilting cylinder is hingedly connected between the oscillating arm and the rotating shaft.

[0008] Meanwhile, the present application also provides a loading and unloading method based on the above two-station loading and unloading station, comprising the following steps:

[0009] Step one, first by forklift with residual electrode group tray residual electrode tray on the transfer platform on the in-station conveyor, and then through the in-station conveyor tray transfer platform and residual electrode tray together with residual electrode group moves to the right below the chain conveyor system, at this time, through the in-station conveyor both sides of the lifting platform to lift the tray transfer platform and the residual electrode tray together with the residual electrode group from the chain conveyor system on the right end of the line;

[0010] Step two, the lifting platform is lowered, the tray transfer platform and the residual electrode tray are placed on the in-station conveyor, the in-station conveyor is started again, the movable conveyor and the tipping conveyor are used to send the residual electrode tray to the tray tipping mechanism, the tray tipping mechanism drives the residual electrode tray to tip, dumping the electrolyte residue inside, during tipping, the tray transfer platform is sent back to the starting position of the in-station conveyor by the movable conveyor, ready to receive the next residual electrode tray;

[0011] Step three, after the movable conveyor sends the tray transfer platform to the in-station conveyor, it moves to the left to align with the out-station conveyor, at this time, the tray transfer platform on the unloading station of the out-station conveyor is conveyed to the movable conveyor, the movable conveyor moves to the tipping conveyor, then the movable conveyor conveys the tray transfer platform to the tipping conveyor, the tray transfer platform receives the residual electrode tray with clean electrolyte residue, the tray transfer platform returns to the movable conveyor with the empty residual electrode tray, which is conveyed to the unloading station of the out-station conveyor by the movable conveyor;

[0012] Step four, at this time, the finished anode is unloaded from the left end of the chain conveyor system, the lifting platform on both sides of the unloading station of the out-station conveyor drives the tray transfer platform and the empty residual electrode tray to rise, receiving the finished anode above the unloading station, the chain conveyor system lowers the finished anode into the empty residual electrode tray, the lifting platform lowers the finished anode in the residual electrode tray, and places it on the out-station conveyor, the out-station conveyor moves to the forklift waiting station, the forklift forks away the residual electrode tray and the finished anode above it, completing a work cycle.

[0013] Due to the adoption of the above technical scheme, the application has the advantages that the application can simultaneously complete the loading and unloading of residual electrodes and new anodes, and can automatically clean the residue on the tray, reducing labor intensity and making the entire loading and unloading system more coordinated and efficient in the loading and unloading process. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of the application;

[0015] Figure 2 is Figure 1 the front view of

[0016] Figure 3 isFigure 1 left view;

[0017] Figure 4 is a top view of a structure diagram of a tray tipping mechanism;

[0018] Figure 5 is Figure 4 front view;

[0019] Figure 6 is Figure 4 left view. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application will be further described in detail below in combination with the drawings and examples.

[0021] The structure diagram of the two-station loading and unloading station and the loading and unloading method of the embodiment of the present application is shown in Figures 1 to 3 The existing catenary conveying system 1 is provided below with an inlet conveyor 9 and an outlet conveyor 3 fixedly installed respectively, and a lifting platform 10 is installed on both sides of the inlet conveyor 9 and the outlet conveyor 3. A guide rail 4 is fixedly installed between the end portions of the inlet conveyor 9 and the outlet conveyor 3, a movable conveyor 11 is arranged on the guide rail 4, a tipping conveyor 6 corresponding to the inlet conveyor 9 is fixedly installed on the other side of the guide rail 4, and a tray tipping mechanism 7 is installed at the end portion of the tipping conveyor 6. A dust hood 18 is installed above the tray tipping mechanism 7. A multi-roller crusher 16 is installed at the bottom of the tray tipping mechanism 7, and a residue conveyor 17 is installed below the discharge port of the multi-roller crusher 16. The movable conveyor 11 is composed of a track trolley and a conveying mechanism fixedly installed on the track trolley, so that the movable conveyor 11 can not only move laterally on the guide rail 4, but also longitudinally convey a tray transfer frame.

[0022] Referring to Figures 4 to 6 , the tray tipping mechanism 7 includes a base 701 fixedly installed at the bottom of the tipping conveyor 6, a rotating shaft 702 rotatably connected at one end of the base 701, a swing arm 703 fixedly connected at the end of the rotating shaft 702, two tipping rods 705 fixedly connected on the rotating shaft 702, and a tipping cylinder 704 hingedly connected at the other end of the base 701, wherein the tipping cylinder 704 is hingedly connected with the swing arm 703 through a telescopic rod.

[0023] The catenary conveying system 1, each conveyor, the lifting platform 10, the guide rod clamping device 14 and the multi-roller crusher in the present application are all conventional devices in the prior art, wherein the lifting platform 10 and the guide rod clamping device 14 are the same as the lifting platform and the guide rod clamping device in the Chinese invention patent with the patent number "CN202023315094.1" and the patent name "A multi-row guide rod loading and unloading device".

[0024] The working principle of the present application:

[0025] Step one, first put the anode residue tray 12 with anode residue group 15 on the tray transfer frame on the in-feed conveyor 9 by the forklift 2, then move the tray transfer frame and the anode residue tray 12 together to the right below the catenary conveying system 1 by the in-feed conveyor 9, at this time, lift the tray transfer frame and the anode residue tray 12 together with the anode residue group 15 by the lifting platform 10 on both sides of the in-feed conveyor 9, at this time, the guide rod clamping device 14 acts to right the anode guide rod of the anode residue group 15, and the anode residue group 15 is unloaded from the right end of the catenary conveying system 1;

[0026] Step two, lower the lifting platform 10 to put the tray transfer frame and the anode residue tray 12 on the in-feed conveyor 9, then start the in-feed conveyor 9 again to send the anode residue tray 12 to the tray tilting mechanism 7 by the movable conveyor 11 and the tilting conveyor 6, and the tray tilting mechanism 7 drives the anode residue tray 12 to tilt and dump the electrolyte residue inside, at the time of tilting, the tray transfer frame is sent back to the starting position of the in-feed conveyor 9 by the movable conveyor 11, ready to receive the next anode residue tray 12;

[0027] Step three, after the tray transfer frame is sent to the in-feed conveyor 9 by the movable conveyor 11, move the movable conveyor 11 to the left to align with the out-feed conveyor 3, at this time, the tray transfer frame on the unloading station of the out-feed conveyor 3 is conveyed to the movable conveyor 11, and the movable conveyor 11 moves to the tilting conveyor 6, then the movable conveyor 11 conveys the tray transfer frame to the tilting conveyor 6, the tray transfer frame receives the anode residue tray 12 with clean electrolyte residue, the tray transfer frame returns to the movable conveyor 11 with the empty anode residue tray 12, and the movable conveyor 11 conveys the empty anode residue tray 12 to the unloading station of the out-feed conveyor 3;

[0028] Step four, at this time, the finished anode 13 is unloaded from the left end of the catenary conveying system 1, the lifting platform 10 on both sides of the unloading station of the out-feed conveyor 3 drives the tray transfer frame and the empty anode residue tray 12 to rise to receive the finished anode 13 above the unloading station, the catenary conveying system 1 lowers the finished anode 13 into the empty anode residue tray 12, the lifting platform 10 lowers the finished anode 13 in the empty anode residue tray 12, and the finished anode 13 is placed on the out-feed conveyor 3, the out-feed conveyor 3 moves to the forklift 2 waiting station, the forklift 2 forks away the anode residue tray 12 and the finished anode 13 above it, and a working cycle is completed.

Claims

1. A two-station loading and unloading station, comprising an existing overhead conveyor system (1), characterized in that: An inbound conveyor (9) and an outbound conveyor (3) are fixedly installed below the overhead conveyor system (1). Lifting platforms (10) are installed on both sides of the inbound conveyor (9) and the outbound conveyor (3). A guide rail (4) is fixedly installed between the ends of the inbound conveyor (9) and the outbound conveyor (3). A mobile conveyor (11) is arranged on the guide rail (4). A tilting conveyor (6) corresponding to the inbound conveyor (9) is fixedly installed on the other side of the guide rail (4). A pallet tilting mechanism (7) is installed at the end of the tilting conveyor (6). A dust collection hood (18) is installed above the pallet tilting mechanism (7). A multi-roller crusher (16) is installed at the bottom of the pallet tilting mechanism (7), and a residue conveyor (17) is installed below the discharge port of the multi-roller crusher (16). The pallet tilting mechanism (7) includes a base (701) fixedly installed at the bottom of the tilting conveyor (6), a rotating shaft (702) rotatably connected to one end of the base (701), a swing arm (703) fixedly connected to the end of the rotating shaft (702), two tilting rods (705) fixedly connected to the rotating shaft (702), and a tilting cylinder (704) hinged to the other end of the base (701), and the tilting cylinder (704) is a telescopic rod that is hinged to the swing arm (703); Includes the following steps: Step 1: First, use a forklift (2) to place the pallet (12) with the residual electrode group (15) onto the pallet transfer frame on the inbound conveyor (9). Then, use the inbound conveyor (9) to move the pallet transfer frame and the residual electrode pallet (12) together to the underside of the overhead conveyor system (1). At this time, use the lifting platforms (10) on both sides of the inbound conveyor (9) to lift the pallet transfer frame and the residual electrode pallet (12) along with the residual electrode group (15). At this time, the guide rod clamping device (14) is activated to straighten the anode guide rod of the residual electrode group (15). The residual electrode group (15) is then loaded onto the overhead conveyor system (1) from the right end. Step 2: The lifting platform (10) descends and places the pallet transfer frame and the residual electrode pallet (12) onto the inbound conveyor (9). The inbound conveyor (9) is restarted and the residual electrode pallet (12) is sent to the pallet tilting mechanism (7) via the mobile conveyor (11) and the tilting conveyor (6). The pallet tilting mechanism (7) drives the residual electrode pallet (12) to tilt and dump the electrolyte residue inside. During the tilting, the pallet transfer frame is sent back to the starting position of the inbound conveyor (9) via the mobile conveyor (11) to prepare to receive the next residual electrode pallet (12). Step 3: After the mobile conveyor (11) sends the pallet transfer frame to the inbound conveyor (9), it moves to the left to align with the outbound conveyor (3). At this time, the pallet transfer frame on the unloading station of the outbound conveyor (3) is transported to the mobile conveyor (11). The mobile conveyor (11) moves the pallet transfer frame to the tilting conveyor (6) for alignment. Then the mobile conveyor (11) transports the pallet transfer frame to the tilting conveyor (6). The pallet transfer frame receives the residual electrode pallet (12) with the cleaned electrolyte residue. The pallet transfer frame returns to the mobile conveyor (11) with the empty residual electrode pallet (12). The mobile conveyor (11) transports the pallet transfer frame to the unloading station on the outbound conveyor (3). Step 4: At this time, the finished anode (13) is launched from the left end of the overhead conveyor system (1). The lifting platforms (10) on both sides of the unloading station of the outgoing conveyor (3) drive the pallet transfer frame and the empty residual electrode pallet (12) to rise and receive the finished anode (13) above the unloading station. The overhead conveyor system (1) lowers the finished anode (13) into the empty residual electrode pallet (12). The lifting platform (10) lowers the finished anode (13) in the residual electrode pallet (12) and places it on the outgoing conveyor (3). The outgoing conveyor (3) moves to the waiting position of the forklift (2). The forklift (2) forks away the residual electrode pallet (12) and the finished anode (13) on it together, completing one work cycle.

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