A steel drum cover anti-toppling automatic cover stacking device and method

Abstract

The application relates to a steel drum cover anti-toppling automatic stacking device and method, which comprises a placing table, a mounting frame, a conveying frame and a transfer assembly for transferring steel drum covers, the conveying frame is located below the mounting frame, a plurality of conveying rollers are arranged on the conveying frame, rotating assemblies are arranged between adjacent conveying rollers, the rotating assembly comprises a jacking air cylinder and a rotating motor, the jacking air cylinder is fixedly installed in the conveying frame, a jacking plate is arranged at the end of the jacking air cylinder piston rod, the rotating motor is installed on the jacking plate, a rotating plate located between two conveying rollers is arranged at the end of the rotating motor output shaft, the transfer assembly comprises a transverse track, a lifting track and a suction mechanism, the transverse track is installed on the mounting frame along the width direction of the conveying frame, a moving seat is installed on the transverse track, the lifting track is fixedly installed on the moving seat along the height direction of the conveying frame, a lifting seat is arranged on the lifting track, and the suction mechanism is installed on the lifting seat. The steel drum cover can be conveniently stacked, and the stacked steel drum cover can be prevented from toppling.

Description

Technical Field

[0001] This application relates to the technical field of stacking steel drum lids, and in particular to an automatic stacking device and method for preventing steel drum lids from tipping over. Background Technology

[0002] The stacking of steel drum lids is an important step in the production of steel drums.

[0003] For related technologies, please refer to Chinese Patent Publication No. CN103523536A, which discloses an automatic steel barrel lid stacking machine, including a lifting device that lifts the barrel lids from the forming process to a certain height in preparation for stacking, a transverse device that transports the lifted barrel lids to the stacking device, and a stacking device that removes the barrel lids from the transverse device and stacks them neatly.

[0004] Regarding the aforementioned technologies, since the top of the steel drum lid has two openings with flanges at the openings, and the two flanges are of different heights and sizes, the flanges are permanent sealing accessories embedded in the drum and provide installation threads for the drum plug. During the process of stacking the steel drum lids one after another, the steel drum lids are stacked in the same direction due to the influence of the flanges on the top of the steel drum lids, causing the steel drum lids to gradually tilt and eventually tip over. Summary of the Invention

[0005] In order to achieve automatic stacking of steel drum lids and prevent the stacked steel drum lids from tipping over, this application provides an automatic stacking device and method for preventing steel drum lids from tipping over.

[0006] In the first aspect, this application provides an automatic capping device for preventing steel drum lids from tipping over, which adopts the following technical solution:

[0007] An automatic anti-tipping capping device for steel drum lids includes a placement platform, a mounting frame, a conveyor frame, and a transfer assembly for transferring the steel drum lids. The conveyor frame is located below the mounting frame, and several conveyor rollers are spaced apart on the conveyor frame. A rotating assembly for rotating the steel drum lids is located between two of the conveyor rollers near the output end of the conveyor frame. The rotating assembly is located below the conveyor rollers and includes a lifting cylinder and a rotating motor. The lifting cylinder is fixedly installed inside the conveyor frame along the height direction, and a lifting plate is provided at the end of the piston rod of the lifting cylinder. The rotating motor is installed on the lifting plate along the height direction of the conveyor frame, and a rotating plate is located between the two conveyor rollers at the end of the output shaft of the rotating motor. The transfer assembly includes a transverse track, a lifting track, and a suction mechanism. The transverse track is installed on the mounting frame along the width direction of the conveyor frame, and a movable seat is installed on the transverse track. The lifting track is fixedly installed on the movable seat along the height direction of the conveyor frame, and a lifting seat is provided on the lifting track. The suction mechanism is installed on the lifting seat.

[0008] By adopting the above technical solution, the steel drum lid is placed on the conveyor frame. The conveyor rollers rotate, causing the steel drum lid to move on the conveyor frame. When the steel drum lid moves above the rotating plate, the lifting cylinder is activated. The lifting plate drives the rotating motor and the rotating plate to move upwards. The rotating plate supports the steel drum lid, causing it to move upwards and separate from the conveyor rollers. The rotating motor is then activated to rotate the steel drum lid. After rotation, the lifting seat moves above the steel drum lid. The suction mechanism then suctions the steel drum lid, and the lifting track is activated. The moving seat drives the steel drum lid upwards, and then the transverse track is activated to transfer the steel drum lid. The steel drum lids are stacked sequentially on the placement platform. The rotating motor rotates the steel drum lid four times in a group: 0 degrees for the first rotation, 90 degrees clockwise for the second, 180 degrees clockwise for the third, and 90 degrees counterclockwise for the fourth. This ensures that the relative angle between adjacent steel drum lids is 90 degrees. The two flanges of different heights on the steel drum lids are staggered to prevent the stacked steel drum lids from tipping over.

[0009] Optionally, the upper surface of the rotating plate is provided with a plurality of magnetic suction elements at equal intervals along the circumference.

[0010] By adopting the above technical solution, the steel barrel lid is made of a material that can be attracted by magnetic components. During the rotation of the rotating plate, the steel barrel lid is attracted to the rotating plate by magnetic components, thereby improving the stability of the steel barrel lid during the rotation process.

[0011] Optionally, the suction mechanism includes an air pump, several suction discs, and several suction pipes. The suction pipes are connected to the suction discs in a one-to-one correspondence. The suction discs are all installed at the bottom of the lifting base. The air pump is installed on the lifting base and connected to all the suction pipes.

[0012] By adopting the above technical solution, when the moving seat moves above the steel drum lid, the suction plate comes into contact with the top of the steel drum lid, the air pump is started, and the suction plate adsorbs the steel drum lid, thus facilitating the transfer of the steel drum lid.

[0013] Optionally, the output end of the conveyor frame is provided with two first blocking bars, the distance between the two first blocking bars is less than the width of the steel drum lid, and auxiliary plates are provided on both sides of the conveyor frame along the width direction of the conveyor frame, the distance between the two auxiliary plates is matched with the width of the steel drum lid.

[0014] By adopting the above technical solution, the two first blocking rods block the first steel drum lid conveyed by the conveying roller, limit the position of the steel drum lid, and facilitate the rotation and transfer of the steel drum lid.

[0015] Optionally, the rotating assembly is provided in two sets, and two second blocking rods are provided between the two sets of rotating assemblies. The two second blocking rods are installed above the lifting plate near the output end of the conveyor frame. The two second blocking rods are located on the side of the lifting plate away from the first blocking rod, and the distance between the two second blocking rods is less than the width of the steel barrel cover.

[0016] By adopting the above technical solution, when the first steel drum lid collidees with the first blocking rod after passing the second blocking rod, the lifting cylinder is activated. At the same time as the lifting plate rises, the two second blocking rods move upward to block the second steel drum lid, thereby blocking the two steel drum lids. The two sets of rotating components rotate the two steel drum lids, and the two steel drum lids are moved by the transfer components, thereby improving the stacking efficiency.

[0017] Optionally, a blocking rail is provided at one end of the conveyor frame. The blocking rail is installed on the conveyor frame along the width direction. The height of the blocking rail is lower than the height of the conveyor roller. A bidirectional lead screw is rotatably connected inside the blocking rail. Both ends of the bidirectional lead screw are provided with blocking seats. A third blocking rod is provided on each of the two blocking seats. The height of the end of the third blocking rod is higher than the height of the conveyor roller.

[0018] By adopting the above technical solution, when the second steel drum lid passes through the third blocking rod and collides with the second blocking rod, the double-acting screw is rotated to bring the two blocking seats closer together, so that the two third blocking rods are brought closer together, thus blocking the subsequent steel drum lid and preventing the subsequent steel drum lid from colliding with the second steel drum lid, which would affect the transfer and stacking of the steel drum lid.

[0019] Optionally, the conveyor frame is provided with a guide plate located below the lifting plate, and the bottom of the lifting plate is provided with a plurality of guide rods. The guide plate has guide openings that correspond one-to-one with the guide rods, and the guide rods pass through the guide openings and are slidably connected to the guide plate.

[0020] By adopting the above technical solution, during the lifting and lowering process of the jacking plate, the guide rod moves within the guide opening, and the guide plate provides limiting guidance for the movement of the guide rod, thereby improving the stability of the lifting and lowering process of the jacking plate.

[0021] Optionally, a number of auxiliary rollers rotatably connected to the conveyor frame are provided between two adjacent conveying rollers of the rotating plate, and the number of auxiliary rollers are located in pairs on both sides of the width direction of the rotating plate.

[0022] By adopting the above technical solution, the auxiliary rollers provide support for both sides of the bottom of the steel barrel lid, thereby improving the stability of the steel barrel lid's movement.

[0023] Secondly, this application provides an automatic anti-tipping method for steel drum lids, using the aforementioned automatic anti-tipping device for steel drum lids, comprising the following steps:

[0024] S1. Place the steel drum lids on the conveyor rollers in the same direction, and convey the steel drum lids toward the rotating plate.

[0025] S2. The steel drum lid moves above the rotating plate, and the rotating plate moves upward to lift the drum lid and separate it from the conveyor roller;

[0026] S3. The rotating plate drives the steel barrel lid to rotate.

[0027] S4. Move the movable seat to above the steel drum lid;

[0028] S5. The lifting seat moves downward, and the suction mechanism adsorbs the steel barrel lid;

[0029] S6. The lifting seat moves upward, the moving seat moves laterally to the placement platform, the steel barrel lid is moved to the placement platform, the suction mechanism is released, and the steel barrel lid falls onto the placement platform.

[0030] Optionally, in step S3, the rotating plate has four rotation modes: S31, rotate 0°; S32, rotate 90° clockwise; S33, rotate 180° clockwise; S34, rotate 90° counterclockwise. The rotating plate repeats these four rotation modes in sequence.

[0031] In summary, this application includes at least one of the following beneficial technical effects:

[0032] The steel drum lid is placed on the conveyor frame. As the conveyor rollers rotate, the steel drum lid moves on the conveyor frame. When the steel drum lid moves above the rotating plate, the lifting cylinder is activated. The lifting plate drives the rotating motor and the rotating plate to move upward. The rotating plate supports the steel drum lid, causing the steel drum lid to move upward and separate from the conveyor rollers. The rotating motor is then activated to rotate the steel drum lid. After rotation, the lifting seat moves above the steel drum lid. The suction mechanism then sucks the steel drum lid up, and the lifting track is activated. The moving seat drives the steel drum lid upward. Subsequently, the transverse track is activated to transfer the steel drum lid. The steel drum lids are stacked in sequence.

[0033] The steel drum lid is made of a material that can be attracted by magnetic components. During the rotation of the rotating plate, the steel drum lid is attracted to the rotating plate by magnetic components, which improves the stability of the steel drum lid during the rotation process. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the overall structure of an automatic capping device for preventing steel barrel lids from tipping over.

[0035] Figure 2 This is a schematic diagram illustrating the structure of the conveyor frame in Embodiment 1 of this application.

[0036] Figure 3 This is a schematic diagram illustrating the structure of the rotating assembly in Embodiment 1 of this application.

[0037] Figure 4 This is a schematic diagram illustrating the internal structure of the conveyor frame in Embodiment 1 of this application.

[0038] Figure 5 This is a flowchart illustrating an automatic lid-stacking method for preventing steel drum lids from tipping over.

[0039] Explanation of reference numerals in the attached drawings: 1. Placement platform; 2. Mounting frame; 21. Transfer assembly; 211. Transverse track; 212. Lifting track; 213. Moving seat; 214. Lifting seat; 3. Conveying frame; 31. Conveying roller; 32. First blocking rod; 33. Auxiliary plate; 34. Guide plate; 35. Auxiliary roller; 4. Rotating assembly; 41. Lifting cylinder; 42. Rotating motor; 43. Lifting plate; 431. Second blocking rod; 432. Guide rod; 44. Rotating plate; 441. Through hole; 5. Suction mechanism; 51. Suction disc; 52. Suction pipe; 53. Air pump; 6. Blocking track; 61. Bidirectional lead screw; 62. Blocking seat; 63. Third blocking rod. Detailed Implementation

[0040] The present application will be further described in detail below with reference to all the accompanying drawings. Example

[0041] This application discloses an automatic capping device for preventing steel drum lids from tipping over.

[0042] Reference Figure 1 and Figure 2 An automatic anti-tipping capping device for steel drum lids includes a placement platform 1, a mounting frame 2, and a conveyor frame 3. The mounting frame 2 is located above the conveyor frame 3. Several conveyor rollers 31 are spaced apart on the conveyor frame 3. When a steel drum lid is placed on the conveyor frame 3, the steel drum lid is conveyed by the rotation of the conveyor rollers 31. Rotating components 4 are installed between the first conveyor roller 31, the second conveyor roller 31, the third conveyor roller 31, and the fourth conveyor roller 31 closest to the output end of the conveyor frame 3.

[0043] Reference Figure 3 and Figure 4The rotating assembly 4 includes a lifting cylinder 41 and a rotating motor 42. The lifting cylinder 41 is fixedly installed inside the conveyor frame 3 along the height direction of the conveyor frame 3. A lifting plate 43 is fixedly installed at the end of the piston rod of the lifting cylinder 41. The rotating motor 42 is installed on the lifting plate 43 along the height direction of the conveyor frame 3. A rotating plate 44 is provided at the end of the output shaft of the rotating motor 42, located between the two conveyor rollers 31. When the steel drum lid moves above the rotating plate 44, the lifting cylinder 41 is activated. The lifting plate 43 drives the rotating motor 42 and the rotating plate 44 to move upward. The rotating plate 44 supports the steel drum lid, causing the steel drum lid to move upward and separate from the conveyor rollers 31. The rotating motor 42 is then activated to rotate the steel drum lid. The rotating plate 44 has several through holes 441 spaced equidistantly in the circumferential direction to reduce the weight of the rotating plate 44 while maintaining the stability of the rotation of the rotating plate 44.

[0044] Reference Figure 2 The upper surface of the rotating plate 44 is provided with several magnetic suction components at equal intervals around the circumference. The magnetic suction components can be magnets that can attract steel bucket lids. The steel bucket lids are made of materials that can be attracted by the magnetic suction components. During the rotation of the rotating plate 44, the steel bucket lids are attracted to the rotating plate 44 by the magnetic suction components, thereby improving the stability of the steel bucket lids during the rotation process.

[0045] Reference Figure 1 The mounting frame 2 is equipped with a transfer assembly 21, which includes a transverse rail 211, a lifting rail 212, and a suction mechanism 5. The transverse rail 211 is installed on the mounting frame 2 along the width direction of the conveyor frame 3. A movable seat 213 is installed on the transverse rail 211. The lifting rail 212 is fixedly installed on the movable seat 213 along the height direction of the conveyor frame 3. A lifting seat 214 is installed on the lifting rail 212, and the suction mechanism 5 is installed on the lifting seat 214. After rotation, the lifting seat 214 moves above the steel drum lid. After the suction mechanism 5 adsorbs the steel drum lid, the lifting rail 212 is activated, and the movable seat 213 moves the steel drum lid upward. Then, the transverse rail 211 is activated, and the movable seat 213 moves laterally, moving the steel drum lid above the placement platform 1, where the steel drum lids are stacked sequentially.

[0046] Reference Figure 1 The suction mechanism 5 includes an air pump 53, several suction discs 51, and several suction pipes 52. Each suction pipe 52 is connected to one of the suction discs 51. All suction discs 51 are installed at the bottom of the lifting seat 214. The air pump 53 is installed on the lifting seat 214 and connected to all the suction pipes 52. When the moving seat 213 moves above the steel drum lid, the suction discs 51 abut against the top of the steel drum lid, the air pump 53 is activated, and the suction discs 51 adsorb the steel drum lid, thus facilitating its transfer.

[0047] Reference Figure 2 and Figure 4Two first blocking rods 32 are installed at one output end of the conveyor frame 3. The distance between the two first blocking rods 32 is less than the width of the steel drum lid. Auxiliary plates 33 are provided on both sides of the conveyor frame 3 along its width direction. The distance between the two auxiliary plates 33 matches the width of the steel drum lid. The two first blocking rods 32 block the first steel drum lid conveyed by the conveyor roller 31, limit the position of the steel drum lid, and facilitate the rotation and transfer of the steel drum lid.

[0048] Reference Figure 2 and Figure 4 Two second blocking rods 431 are provided between the two sets of rotating components 4. The two second blocking rods 431 are installed above the lifting plate 43 near the output end of the conveyor frame 3, and the distance between the two second blocking rods 431 is less than the width of the steel drum lid. When the first steel drum lid collides with the first blocking rod 32 after passing the second blocking rod 431, the lifting cylinder 41 is activated. As the lifting plate 43 rises, the two second blocking rods 431 move upward to block the second steel drum lid.

[0049] Reference Figure 2 and Figure 4 A blocking rail 6 is installed near the input end of the conveyor frame 3. The blocking rail 6 is installed on the conveyor frame 3 along its width direction. The height of the blocking rail 6 is lower than the height of the conveyor roller 31. A bidirectional lead screw 61 is rotatably connected inside the blocking rail 6. A drive motor is installed on the blocking rail 6. The output shaft of the drive motor is coaxially and fixedly connected to the bidirectional lead screw 61. Blocking seats 62 are provided on both sides of the bidirectional lead screw 61. A third blocking rod 63 is provided on each of the two blocking seats 62. The end of the third blocking rod 63 is higher than the height of the conveyor roller 31. When the second steel drum lid passes through the third blocking rod 63 and collides with the second blocking rod 431, the bidirectional lead screw 61 is rotated to bring the two blocking seats 62 closer together, so that the two third blocking rods 63 are brought closer together, thus blocking the subsequent steel drum lid.

[0050] Among them, the rotating assembly 4 closest to the output end of the conveyor frame 3 is the first group of rotating assemblies 4, and the other group of rotating assemblies 4 is the second group of rotating assemblies 4. A first pressure sensor is installed on the first blocking rod 32, and the first pressure sensor is electrically connected to the controller. When the first steel drum lid collides with the first blocking rod 32, the first pressure sensor on the first blocking rod 32 sends a first pressure signal to the controller. The controller receives the first pressure signal and sends a lifting signal to the lifting cylinder 41 of the first group of rotating assemblies 4. The lifting plate 43 of the first group of rotating assemblies 4 moves upward, lifting the first steel drum lid. At the same time, the second blocking rod 431 on the lifting plate 43 moves upward to block the second steel drum lid. The second stop bar 431 is equipped with a second pressure sensor, which is electrically connected to the controller. When the second steel barrel lid collides with the second stop bar 431, the second pressure sensor on the second stop bar 431 sends a second pressure signal to the controller. The controller is electrically connected to the drive motor. After receiving the second pressure signal, the controller sends a lifting signal to the lifting cylinder 41 of the second set of rotating components 4, and at the same time sends a rotation signal to the drive motor, causing the bidirectional lead screw 61 to rotate and bring the two stop seats 62 closer together and the two third stop bars 63 closer together, thus blocking the steel barrel lid behind. At the same time, the rotating plate 44 of the second set of rotating components 4 moves upward to lift the steel barrel lid.

[0051] When the rotating motor 42 rotates, the output shaft of the rotating motor 42 rotates at different angles each time it receives the first pressure signal, depending on the number of times the controller receives the first pressure signal. The first rotation is 0 degrees, the second is 90 degrees clockwise, the third is 180 degrees clockwise, and the fourth is 90 degrees counterclockwise. These four rotations form a group, ensuring that the relative angle between adjacent steel drum lids is 90 degrees. The two flanges of different heights on the steel drum lids are placed alternately to prevent the stacked steel drum lids from tipping over.

[0052] Reference Figure 2 The conveyor frame 3 is equipped with a guide plate 34 located below the lifting plate 43. Several guide rods 432 are provided at the bottom of the lifting plate 43. The guide plate 34 has guide openings corresponding to each guide rod 432, through which the guide rods 432 pass and slide into the guide plate 34. During the lifting and lowering movement of the lifting plate 43, the guide rods 432 move within the guide openings. The guide plate 34 provides limiting guidance for the movement of the guide rods 432, improving the stability of the lifting plate 43 during its lifting process.

[0053] Reference Figure 2 Between two adjacent conveyor rollers 31 of the rotating plate 44, several sets of auxiliary rollers 35 are rotatably connected to the conveyor frame 3. The sets of auxiliary rollers 35 are located in pairs on both sides of the width direction of the rotating plate 44. The auxiliary rollers 35 support the bottom sides of the steel barrel lid, improving the stability of the steel barrel lid's movement.

[0054] The implementation principle of the automatic anti-tipping capping device for steel drum lids in this embodiment is as follows: The steel drum lid is placed on the conveyor frame 3. As the conveyor roller 31 rotates, the steel drum lid moves on the conveyor frame 3. When the steel drum lid moves above the rotating plate 44, the lifting cylinder 41 is activated. The lifting plate 43 drives the rotating motor 42 and the rotating plate 44 to move upwards. The rotating plate 44 supports the steel drum lid, causing it to move upwards and separate from the conveyor roller 31. The rotating motor 42 is then activated to rotate the steel drum lid. After rotation, the lifting seat 214 moves above the steel drum lid, and the suction mechanism 5... After the steel drum lid is adsorbed, the lifting track 212 is activated, and the moving seat 213 moves the steel drum lid upward. Then, the horizontal track 211 is activated to transfer the steel drum lid. The steel drum lids are stacked in sequence. The rotating motor 42 rotates the steel drum lid 0 degrees the first time, 90 degrees clockwise the second time, 180 degrees clockwise the third time, and 90 degrees counterclockwise the fourth time, forming a group of four rotations. This ensures that the relative angle between adjacent steel drum lids is 90 degrees. The two flanges of different heights on the steel drum lids are placed alternately to prevent the stacked steel drum lids from tipping over. Example

[0055] Reference Figure 5 This application discloses an automatic anti-tipping method for steel drum lids, using the aforementioned automatic anti-tipping device, comprising the following steps:

[0056] S1. Place the steel drum lids on the conveyor roller 31 in the same direction, and convey the steel drum lids toward the rotating plate 44.

[0057] S2. The steel drum lid moves above the rotating plate 44, and the rotating plate 44 moves upward to lift the drum lid and separate it from the conveying roller 31.

[0058] S3, Rotating plate 44 drives the steel barrel lid to rotate;

[0059] S4, the movable seat 213 moves to the top of the steel barrel lid;

[0060] S5, the lifting seat 214 moves downward, and the suction mechanism 5 adsorbs the steel barrel lid;

[0061] S6, the lifting seat 214 moves upward, the moving seat 213 moves laterally to the placement platform 1, the steel barrel lid is moved to the placement platform 1, the suction mechanism 5 is released, and the steel barrel lid falls onto the placement platform 1.

[0062] In step S3, the rotating plate 44 has four rotation modes:

[0063] S31, Rotate 0°;

[0064] S32. Rotate 90° clockwise;

[0065] S33. Rotate 180° clockwise;

[0066] S34. Rotate counterclockwise 90°, and the rotating plate 44 repeats these four rotation methods in sequence.

[0067] Specifically, during the rotation of the rotating plate 42, the output shaft of the motor 42 rotates at different angles each time it receives the first pressure signal, depending on the number of times the controller receives the first pressure signal. The first rotation is 0 degrees, the second is 90 degrees clockwise, the third is 180 degrees clockwise, and the fourth is 90 degrees counterclockwise. These four rotations form a group, ensuring that the relative angle between adjacent steel drum lids is 90 degrees. The two flanges of different heights on the steel drum lids are placed alternately to prevent the stacked steel drum lids from tipping over.

[0068] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A steel drum cover anti-toppling automatic cover stacking device, characterized in that, The utility model provides a steel drum cover conveying device, including placing table (1), mounting frame (2), conveying frame (3) and be used for the transfer assembly (21) of steel drum cover is transferred, conveying frame (3) is located mounting frame (2) below, conveying frame (3) is spaced apart and is provided with a plurality of conveying roller (31) on it, and two conveying roller (31) close to conveying frame (3) output one end are provided with the rotation assembly (4) for the rotation of steel drum cover, the rotation assembly (4) is located conveying roller (31) below, and the rotation assembly (4) includes jacking cylinder (41) and rotation motor (42), jacking cylinder (41) is fixedly installed in conveying frame (3) along conveying frame (3) height direction, and the piston rod end of jacking cylinder (41) is provided with jacking plate (43), and rotation motor (42) is installed on jacking plate (43) along conveying frame (3) height direction, and the output shaft end of rotation motor (42) is provided with rotation plate (44) between two conveying roller (31), and the transfer assembly (21) includes transverse rail (211), lifting rail (212) and air suction mechanism (5), the transverse rail (211) is installed on mounting frame (2) along conveying frame (3) width direction, and the mobile seat (213) is installed on the transverse rail (211), and the lifting rail (212) is fixedly installed on the mobile seat (213) along conveying frame (3) height direction, and the lifting rail (212) is provided with lifting seat (214), and the air suction mechanism (5) is installed on lifting seat (214). The steel drum cover top has two openings, and the openings are provided with flanges, and the two flanges are different in height. The rotation motor (42) rotates the steel drum cover 0 degrees for the first time, 90 degrees clockwise for the second time, 180 degrees clockwise for the third time, and 90 degrees counterclockwise for the fourth time, one group of four times, so that the relative angle between the adjacent steel drum covers is 90 degrees, and the two flanges of different heights on the steel drum cover are staggered to prevent the steel drum cover from falling.

2. A steel drum lid anti-toppling automatic capping device according to claim 1, characterized in that: A plurality of magnetic attraction elements are circumferentially and equidistantly arranged on the upper surface of the rotation plate (44).

3. A steel drum lid anti-toppling automatic capping device according to claim 1, characterized in that: The air suction mechanism (5) includes an air pump (53), a plurality of air suction discs (51), and a plurality of air suction pipes (52). The plurality of air suction pipes (52) are in one-to-one correspondence with the plurality of air suction discs (51). The plurality of air suction discs (51) are installed on the bottom of the lifting seat (214). The air pump (53) is installed on the lifting seat (214) and is in communication with all the air suction pipes (52).

4. The anti-topple automatic cover-coding device for a steel drum cover according to claim 1, characterized in that: The output end of the conveying frame (3) is provided with two first blocking rods (32), and the distance between the two first blocking rods (32) is less than the width of the steel drum cover. The conveying frame (3) is provided with auxiliary plates (33) on both sides along the width direction of the conveying frame (3). The distance between the two auxiliary plates (33) is matched with the width of the steel drum cover.

5. A steel drum lid anti-toppling automatic capping device according to claim 1, characterized in that: The rotating assembly (4) is provided with two groups, two second blocking rods (431) are arranged between the two groups of rotating assemblies (4), the two second blocking rods (431) are installed above the jacking plate (43) close to the output end of the conveying frame (3), the two second blocking rods (431) are located on the side, away from the first blocking rod (32), of the jacking plate (43), and the distance between the two second blocking rods (431) is less than the width of the steel drum cover.

6. A steel drum lid anti-toppling automatic capping device according to claim 1, characterized in that: The conveying frame (3) is provided with a blocking track (6) at the input end, the blocking track (6) is installed on the conveying frame (3) in the width direction of the conveying frame (3), the height of the blocking track (6) is lower than the height of the conveying roller (31), the bidirectional screw rod (61) is rotatably connected in the blocking track (6), the blocking seat (62) is penetratingly arranged at both ends of the bidirectional screw rod (61), the third blocking rod (63) is arranged on the blocking seat (62), and the height of the end of the third blocking rod (63) is higher than the height of the conveying roller (31).

7. A steel drum lid anti-toppling automatic capping device according to claim 1, characterized in that: The conveying frame (3) is provided with a guide plate (34) located below the jacking plate (43), a plurality of vertical guide rods (432) are arranged on the bottom of the jacking plate (43), a guide hole corresponding to the guide rod (432) is formed in the guide plate (34), and the guide rod (432) is slidably connected with the guide plate (34) through the guide hole.

8. A steel drum lid anti-toppling automatic capping device according to claim 1, characterized in that: A plurality of groups of auxiliary rollers (35) are arranged between the two conveying rollers (31) adjacent to the rotating plate (44) and are rotatably connected with the conveying frame (3), and the plurality of groups of auxiliary rollers (35) are arranged on both sides of the rotating plate (44) in the width direction.

9. A method for preventing the steel drum cover from toppling over and automatically stacking the steel drum cover, using the steel drum cover anti-toppling and automatic stacking device according to any one of claims 1-8, characterized in that, The method comprises the following steps: S1, sequentially placing the steel drum cover on the conveying roller (31) in the same direction, and conveying the steel drum cover to the rotating plate (44); S2, moving the steel drum cover above the rotating plate (44), moving the rotating plate (44) upwards to lift the drum cover and separate the drum cover from the conveying roller (31); S3, rotating the steel drum cover by the rotating plate (44); S4, moving the moving seat (213) above the steel drum cover; S5, moving the lifting seat (214) downwards, and adsorbing the steel drum cover by the air suction mechanism (5); S6, moving the lifting seat (214) upwards, moving the moving seat (213) transversely to the placement table (1), moving the steel drum cover to the placement table (1), and releasing the steel drum cover by the air suction mechanism (5).

10. A method of automatically applying a drum cover according to claim 9, wherein: In step S3, the rotating plate (44) has four rotating modes, S31, rotating 0°; S32, rotating 90° clockwise; S33, rotating 180° clockwise; and S34, rotating 90° counterclockwise, and the rotating plate (44) sequentially repeats the four rotating modes.

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