Double-layer rotating automatic conveying raceway device

Abstract

The utility model discloses a double-layer rotating automatic conveying raceway device which comprises a workbench, a first conveying device and a second conveying device. The first conveying device is arranged at the top of the workbench and comprises a first X-axis roller conveying table, a first Y-axis conveying belt device and a first steering unit. The second conveying device is arranged at the inner bottom of the workbench and comprises a second X-axis roller conveying table, a second Y-axis conveying belt device and a second steering unit, the second X-axis roller conveying table is installed on the inner bottom wall of the workbench, and the second Y-axis conveying belt device is installed in the second X-axis roller conveying table; the second steering unit is installed between the bottom of the second X-axis roller conveying table and the inner bottom wall of the workbench and used for conveying steering of the second Y-axis conveying belt device. According to the automatic conveying raceway device, the first conveying device and the second conveying device are coordinated and matched for conveying, the purposes of automatic conveying and automatic steering conveying are achieved, and then the conveying and transferring efficiency of the automatic conveying raceway device on a production line is improved.

Description

Technical Field

[0001] The utility model relates to a conveying device, in particular to a double-layer rotating automatic conveying roller device. Background Art

[0002] With the development of science and technology and the continuous advancement of automation technology, the conveying machinery automation industry is constantly demanding new technological advancements. Automatic conveyor rollers are a type of conveying equipment commonly used in automated engine production, enabling automated conveying during engine processing. The efficiency of automatic conveyor rollers is directly related to the production efficiency of engine production lines. However, existing automatic conveyor rollers lack automation, resulting in poor conveying and transfer efficiency on the production line. Utility Model Content

[0003] The purpose of the utility model is to provide a double-layer rotary automatic conveying roller device, aiming to solve the above-mentioned problems.

[0004] In order to achieve the above purpose, the technical solution adopted by the present utility model is as follows:

[0005] A double-layer rotary automatic conveying roller device, comprising:

[0006] Workbench;

[0007] A first transmission device is provided on the top of the workbench, comprising an X-axis roller conveyor platform, a Y-axis conveyor belt device, and a steering unit. The first X-axis roller conveyor platform is mounted on the top of the workbench, the first Y-axis conveyor belt device is mounted inside the first X-axis roller conveyor platform, and a lifting unit is mounted on the bottom of the first Y-axis conveyor belt device for raising and lowering the height of the first Y-axis conveyor belt device; the first steering unit is mounted between the bottom of the first X-axis roller conveyor platform and the top of the workbench, and is used for conveying and steering the first Y-axis conveyor belt device;

[0008] The second transmission device is arranged at the inner bottom of the workbench, and includes a second X-axis roller conveyor platform, a second Y-axis conveyor belt device and a second steering unit. The second X-axis roller conveyor platform is installed on the inner bottom wall of the workbench, and the second Y-axis conveyor belt device is installed in the second X-axis roller conveyor platform. The bottom of the second Y-axis conveyor belt device is installed with a second lifting unit for lifting the height of the second Y-axis conveyor belt device; the second steering unit is installed between the bottom of the second X-axis roller conveyor platform and the inner bottom wall of the workbench, and is used for conveying and steering the second Y-axis conveyor belt device.

[0009] Preferably, a limiting assembly is installed at the entrance of the X-axis roller conveyor platform 2, and the limiting assembly includes a lifting cylinder 1 and a limiting plate. The limiting plate is installed on the output end of the lifting cylinder 1, and the lifting cylinder 1 is installed at the entrance of the X-axis roller conveyor platform 2.

[0010] Preferably, the Y-axis conveyor belt device includes a conveyor frame, a conveyor belt and a driving mechanism. The conveyor belt is installed on both sides of the interior of the conveyor frame, and the driving mechanism is installed on the bottom of the conveyor frame to drive the conveyor belt to rotate.

[0011] Preferably, the steering unit 1 includes a rotating wheel 1, a positioning plate, a driving motor 1 and a positioning cylinder;

[0012] The rotating wheel 1 is fixedly mounted to the bottom of the X-axis roller conveyor platform 1, the bottom of the rotating wheel 1 is fixedly mounted to the rotating shaft 1, and the rotating shaft 1 is rotatably mounted on the positioning plate and passes through the bottom of the positioning plate;

[0013] The driving motor 1 is fixedly mounted on the positioning plate, and a driving wheel is mounted on the output shaft of the driving motor 1, and the driving wheel is in contact with the rotating wheel 1;

[0014] The positioning cylinder is installed to the bottom of the positioning plate, and a positioning plate is fixedly installed on the bottom of the rotating shaft. A plurality of positioning grooves are spaced apart on the positioning plate. A positioning rod is installed on the output shaft of the positioning cylinder, and the top of the positioning rod is clamped into one of the positioning grooves.

[0015] Preferably, a guide wheel 2 is installed at the entrance of the X-axis roller conveyor platform 1.

[0016] Preferably, the Y-axis conveyor belt device 2 includes a conveyor frame 2, a conveyor belt 2 and a drive mechanism 2. The conveyor belt 2 is installed on both sides of the conveyor frame 2, and the drive mechanism 2 is installed on the bottom of the conveyor frame 2 to drive the conveyor belt 2 to rotate.

[0017] Preferably, the second steering unit includes a second rotating shaft, a driven gear, a rodless cylinder and a rack;

[0018] One end of the second rotating shaft is fixedly mounted on the bottom end surface of the second X-axis roller conveyor platform, and the other end of the second rotating shaft is rotatably mounted on the inner bottom wall of the workbench;

[0019] The driven gear is fixedly mounted on the second rotating shaft;

[0020] The rodless cylinder is mounted to one side of the driven gear;

[0021] The rack is fixedly mounted on the output end of the rodless cylinder, and the rack is meshed with the driven gear for transmission.

[0022] Preferably, the lifting unit 1 includes a mounting frame 1 and a jacking cylinder 1;

[0023] The mounting frame 1 is fixedly mounted to both sides of the conveying frame 1, the top extension cylinder 1 is mounted on the inner bottom wall of the X-axis roller conveying frame 1, and the output end of the top extension cylinder 1 is mounted to the bottom of the mounting frame 1.

[0024] Preferably, the second lifting unit comprises a second mounting frame and a second extension cylinder;

[0025] The second mounting frame is fixedly mounted on both sides of the second conveying frame, the second extension cylinder is mounted on the inner bottom wall of the second X-axis roller conveying frame, and the output end of the second extension cylinder is mounted on the bottom of the second mounting frame.

[0026] Preferably, a guide wheel 1 is installed at the entrance of the X-axis roller conveyor platform 2.

[0027] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0028] In the present invention, the coordination of the X-axis roller conveyor platform 1, the Y-axis conveyor belt device 1, and the steering unit 1 in the first transmission device enables automated engine conveying and repositioning. Furthermore, the coordination of the X-axis roller conveyor platform 2, the Y-axis conveyor belt device 2, and the steering unit 2 in the second transmission device enables automated engine conveying and repositioning. The coordinated delivery of the first and second transmission devices achieves automated conveying and automated steering, thereby improving the conveying and transfer efficiency of the automatic conveyor roller device on the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is one of the three-dimensional diagrams of the present utility model;

[0030] Figure 2 This is the second stereogram of the utility model;

[0031] Figure 3 This is an exploded view of the X-axis roller conveyor platform 1 in the present invention;

[0032] Figure 4 This is a three-dimensional diagram of the steering unit in the present invention;

[0033] Figure 5 This is an exploded view of the steering unit in the present invention;

[0034] Figure 6This is the second exploded view of the X-axis roller conveyor platform in the utility model;

[0035] Figure 7 This is a perspective view of the second steering unit in the present invention;

[0036] Figure 8 It is a three-dimensional diagram of another aspect of the present invention.

[0037] Markings in the figure:

[0038] 1. Workbench; 2. X-axis roller conveyor platform 1;

[0039] 3. Y-axis conveyor belt device 1; 301. Conveyor platform 1; 302. Conveyor belt 1;

[0040] 4. Steering unit 1; 401. Rotating wheel 1; 402. Positioning plate; 403. Driving motor 1; 404. Positioning cylinder; 405. Rotating shaft 1; 406. Driving wheel; 407. Positioning plate; 408. Positioning slot; 409. Positioning rod;

[0041] 5. X-axis roller conveyor platform 2;

[0042] 6. Y-axis conveyor belt device 2; 601. Conveyor platform 2; 602. Conveyor belt 2;

[0043] 7. Steering unit 2; 701. Rotating shaft 2; 702. Driven gear; 703. Rodless cylinder; 704. Rack;

[0044] 8. Lifting cylinder 1; 9. Limit plate; 10. Guide wheel 1; 11. Guide wheel 2; 12. Mounting frame 1; 13. Extension cylinder 1; 14. Mounting frame 2; 15. Extension cylinder 2. DETAILED DESCRIPTION

[0045] In order to make the objectives, technical solutions and advantages of this application clearer, the implementation methods of this application will be further described in detail below with reference to the accompanying drawings.

[0046] use Figure 1-Figure 2 A double-layer rotary automatic conveying roller device is described. The double-layer rotary automatic conveying roller device can be used for transporting during the engine production process, or can also be used for transporting other parts.

[0047] The double-layer rotary automatic conveying roller device includes a workbench 1, a transmission device 1, a transmission device 2 and a control system, wherein:

[0048] The control system is electrically connected to the transmission device 1 and the transmission device 2, and is used to control the coordinated operation of the transmission device 1 and the transmission device 2 to realize the automatic transportation and transfer of the engine by the double-layer rotary automatic conveying roller device.

[0049] The workbench 1 is connected together by a combination of multiple cross bars and multiple longitudinal trunks. It has openings on all sides and a support plate at the bottom for installing a conveying device.

[0050] The first transmission device is located on the top of the workbench 1 and is used to transport the engine. The first transmission device includes an X-axis roller conveyor 2, a Y-axis conveyor belt device 3, and a steering unit 4.

[0051] The X-axis roller conveyor platform 2 is installed on the top of the workbench 1. The entrance end of the X-axis roller conveyor platform 2 can be connected to an external conveying line, and the engine on the conveying line can enter the X-axis roller conveyor platform 2 along the entrance end of the X-axis roller conveyor platform 2.

[0052] The Y-axis conveyor belt assembly 3 is mounted within the X-axis roller conveyor platform 2. A lifting unit 1 is installed at the bottom of the Y-axis conveyor belt assembly 3, which can be used to raise or lower the height of the Y-axis conveyor belt assembly 3. When the engine is located on the X-axis roller conveyor platform 2, the lifting unit 1 is activated, raising the Y-axis conveyor belt assembly 3. The raised Y-axis conveyor belt assembly 3 then drives the engine upward. At this point, the Y-axis conveyor belt assembly 3 is activated, and the engine located on the Y-axis conveyor belt assembly 3 can be transported along the Y-axis to other conveyor lines for further transportation, achieving automated transportation and automated steering of the engine.

[0053] The steering unit 4 is installed between the bottom of the X-axis roller conveyor platform 2 and the top of the workbench 1; when the motor on the Y-axis conveyor belt device 3 needs to change the conveying direction, at this time, starting the steering unit 4 can drive the X-axis roller conveyor platform 2 and the Y-axis conveyor belt device 3 to change their directions together, that is, the steering unit 4 can be used to realize the direction steering of the X-axis roller conveyor platform 2, and the steering unit 4 realizes the purpose of conveying steering of the Y-axis conveyor belt device 3.

[0054] The second transmission device is arranged at the inner bottom of the workbench 1 and is used to transport the engine; the transmission device 1 and the transmission device 2 operate in coordination to improve the transmission efficiency.

[0055] Reference Figure 1-Figure 2 As shown, the second transmission device includes an X-axis roller conveyor platform 5 , a Y-axis conveyor belt device 6 , and a steering unit 7 .

[0056] X-axis roller conveyor platform 2 (5) is mounted on the inner bottom wall of workbench 1, facing in the opposite direction of the entrance to X-axis roller conveyor platform 1 (2). The entrance to X-axis roller conveyor platform 2 (5) can be connected to another conveyor line, allowing motors on that line to enter through the entrance to X-axis roller conveyor platform 2 (5).

[0057] The Y-axis conveyor belt assembly 2 (6) is mounted within the X-axis roller conveyor platform 2 (5). A lifting unit 2 is installed at the bottom of the Y-axis conveyor belt assembly 2, which can be used to raise or lower the height of the Y-axis conveyor belt assembly 2. When the engine is located on the X-axis roller conveyor platform 2 (5), the lifting unit 2 is activated, raising the Y-axis conveyor belt assembly 2 (6). The raised Y-axis conveyor belt assembly 2 (6) can then be driven upwards. At this point, the Y-axis conveyor belt assembly 2 (6) is activated, and the engine located on the Y-axis conveyor belt assembly 2 (6) can be transported along the Y-axis to other conveyor lines for transport, achieving automated transport and automated steering of the engine.

[0058] Reference Figure 2 As shown, the steering unit 27 is installed between the bottom of the X-axis roller conveyor platform 25 and the inner bottom wall of the workbench 1. When the motor on the Y-axis conveyor belt device 26 needs to change the conveying direction, at this time, starting the steering unit 27 can drive the X-axis roller conveyor platform 25 and the Y-axis conveyor belt device 26 to change their directions together, that is, the steering unit 27 can be used to realize the direction steering of the X-axis roller conveyor platform 25, and the steering unit 27 realizes the purpose of conveying steering of the Y-axis conveyor belt device 26.

[0059] In this embodiment, through the coordination of the X-axis roller conveyor platform 1-2, the Y-axis conveyor belt device 1-3, and the steering unit 1-4 in the first transmission device, the coordinated operation of the X-axis roller conveyor platform 1-2 and the Y-axis conveyor belt device 1-3 enables automated conveying and steering of the engine. The steering function of the steering unit 1-4 further enables the Y-axis conveyor belt device 1-3 to adjust the conveying direction. Furthermore, through the coordination of the X-axis roller conveyor platform 2-5, the Y-axis conveyor belt device 2-6, and the steering unit 2-7 in the second transmission device, the coordinated operation of the X-axis roller conveyor platform 2-5 and the Y-axis conveyor belt device 2-6 enables automated conveying and steering of the engine. The steering function of the steering unit 2-7 further enables the Y-axis conveyor belt device 2-6 to adjust the conveying direction. The coordinated transport of the first and second transmission devices achieves automated conveying and automated steering, thereby improving the conveying and transfer efficiency of the automatic conveying roller device on the production line.

[0060] In one possible embodiment, Figure 3Figure 1 shows the detailed structure of the X-axis roller conveyor platform 2. The operating principles of the X-axis roller conveyor platform 2 and the X-axis roller conveyor platform 25 are essentially the same; the following description will focus solely on the structure of the X-axis roller conveyor platform 2. The X-axis roller conveyor platform 2 comprises a roller conveyor frame, multiple rollers, and a drive motor. The multiple rollers are rotatably mounted on the roller conveyor frame, with one end of each roller extending to one end of the roller conveyor frame. Drive sprockets are mounted on the ends of the rollers, connecting the multiple rollers to one another via a chain drive. The drive motor is mounted within the roller conveyor frame and connected to the sprockets, driving the multiple rollers to rotate and achieve engine transport.

[0061] In one possible embodiment, Figure 3 Figure 1 shows the specific structure of the Y-axis conveyor belt device 3. The Y-axis conveyor belt device 3 comprises a conveyor frame 301, a conveyor belt 302, and a drive mechanism 1. The conveyor belt 302 is mounted on both sides of the interior of the conveyor frame 301. The drive mechanism 1 is mounted on the bottom of the conveyor frame 301 to drive the conveyor belt 302. The drive mechanism 1 comprises a motor and a transmission gear shaft, with both ends of the transmission gear shaft mounted to the two conveyor belts 302. The motor is fixedly mounted on the bottom surface of the conveyor frame 301. The motor meshes with the transmission gear shaft through gears, thereby driving the two conveyor belts 302 to rotate, completing the engine's conveying.

[0062] In one possible embodiment, Figure 4-Figure 5 FIG. 4 shows the specific structure of the steering unit 4. The steering unit 4 includes a rotating wheel 401, a positioning plate 402, a driving motor 403 and a positioning cylinder 404.

[0063] The rotating wheel 401 is fixedly mounted to the bottom of the X-axis roller conveyor platform 2, and the bottom of the rotating wheel 401 is fixedly mounted to the rotating shaft 405. The rotating shaft 405 is rotatably mounted on the positioning plate 402 and passes through the bottom of the positioning plate 402. Specifically, the positioning plate 402 is provided with an open groove 1 that is plugged into and adapted to the rotating shaft 405. The rotating shaft 405 passes through the open groove 1 to the bottom of the positioning plate 402. The rotating shaft 405 can be rotatably mounted on the open groove 1 through a bearing, thereby achieving the purpose of rotatably mounting the X-axis roller conveyor platform 2 to the positioning plate 402.

[0064] Drive motor 1 403 is fixedly mounted on positioning plate 402. Specifically, positioning plate 402 has an open slot 2, into which the output end of drive motor 1 403 is mounted. A driving wheel 406 is mounted on the output shaft of drive motor 1 403. Driving wheel 406 abuts against rotating wheel 1 401. When drive motor 1 403 is activated, it drives rotating wheel 1 401 and X-axis roller conveyor platform 1 2 to achieve steering, facilitating steering during engine transport.

[0065] Positioning cylinder 404 is mounted to the bottom of positioning plate 402. A positioning plate 407 is fixedly mounted to the bottom of rotating shaft 1 405. Positioning plate 407 is provided with a plurality of positioning slots 408 at intervals. Positioning rod 409 is mounted on the output shaft of positioning cylinder 404. When X-axis roller conveyor platform 1 completes its turn, positioning rod 409 is activated, extending its output end, allowing the top of positioning rod 409 to snap into one of the positioning slots 408. This allows X-axis roller conveyor platform 1 to complete its position and prevent deviation after the turn.

[0066] In one possible embodiment, Figure 6 The figure shows the specific structure of the Y-axis conveyor belt device 2 6. The Y-axis conveyor belt device 2 6 includes a conveyor frame 2 601, a conveyor belt 2 602, and a drive mechanism 2. The conveyor belt 2 602 is mounted on both sides of the conveyor frame 2 601, and the drive mechanism 2 is mounted on the bottom of the conveyor frame 2 601 to drive the conveyor belt 2 602 to rotate. The drive mechanism 2 includes a motor and a transmission gear shaft. The two ends of the transmission gear shaft are mounted on the two conveyor belts 2 602. The motor is fixedly mounted on the bottom end surface of the conveyor frame 2 601. The motor is meshed with the transmission gear shaft through gears, thereby driving the two conveyor belts 2 602 to rotate to complete the transportation of the engine.

[0067] In one possible embodiment, Figure 7 FIG2 shows the specific structure of the second steering unit 7. The second steering unit 7 includes a second rotating shaft 701, a driven gear 702, a rodless cylinder 703 and a rack 704.

[0068] One end of the rotating shaft 2 701 is fixedly mounted on the bottom end surface of the X-axis roller conveyor platform 2 5, and the other end of the rotating shaft 2 701 is rotatably mounted on the inner bottom wall of the workbench 1, that is, the X-axis roller conveyor platform 2 5 as a whole can be rotated on the inner bottom wall of the workbench 1 through the rotating shaft 2 701.

[0069] To achieve the steering function of the Y-axis conveyor belt assembly 2 6, a driven gear 702 is fixedly mounted on the rotating shaft 2 701, and a rodless cylinder 703 is mounted on one side of the driven gear 702. A rack 704 is fixedly mounted on the output end of the rodless cylinder 703, meshing with the driven gear 702. When the rodless cylinder 703 is activated, it drives the rack 704 to reciprocate. The reciprocating movement of the rack 704 drives the driven gear 702, the rotating shaft 2 701, and the X-axis roller conveyor platform 2 5 to rotate together. As a result, the rotating X-axis roller conveyor platform 2 5 drives the Y-axis conveyor belt assembly 2 6 to achieve the steering function.

[0070] In one possible embodiment, Figure 3The figure shows the specific structure of the lifting unit 1. The lifting unit 1 includes a mounting frame 12 and a top extension cylinder 13;

[0071] The mounting frame 12 is fixedly installed on both sides of the conveying frame 301, and the top-extending cylinder 13 is installed on the inner bottom wall of the X-axis roller conveying platform 2. The output end of the top-extending cylinder 13 is installed on the bottom of the mounting frame 12. The mounting part of the mounting frame 12 is in the shape of an n-shaped groove, and the top-extending cylinder 13 is located in the n-shaped groove. By starting the top-extending cylinder 13, the mounting frame 12 and the conveying frame 301 can be lifted up, and the lifting and lowering of the Y-axis conveyor belt device 3 can be controlled.

[0072] In one possible embodiment, Figure 6 The figure shows the specific structure of the lifting unit 2. The lifting unit 2 includes a mounting frame 2 14 and a top extension cylinder 2 15;

[0073] The mounting frame 2 14 is fixedly installed on both sides of the conveying frame 2 601, and the top-extending cylinder 2 15 is installed on the inner bottom wall of the X-axis roller conveying platform 2 5. The output end of the top-extending cylinder 2 15 is installed on the bottom of the mounting frame 2 14. The mounting part of the mounting frame 2 14 is an n-shaped groove, and the top-extending cylinder 2 15 is located in the n-shaped groove. By starting the top-extending cylinder 2 15, the mounting frame 2 14 and the conveying frame 2 601 can be lifted up, and the lifting and lowering of the Y-axis conveyor belt device 2 6 can be controlled.

[0074] In one possible embodiment, Figure 8 As shown, a guide wheel 10 is installed at the entrance of the X-axis roller conveyor platform 2 5 to facilitate the conveyance of the motor on the external conveying line to the X-axis roller conveyor platform 2 5. A guide wheel 2 11 is installed at the entrance of the X-axis roller conveyor platform 1 2 to facilitate the conveyance of the motor on the external conveying line to the X-axis roller conveyor platform 1 2.

[0075] In one possible embodiment, Figure 8 As shown, in order to prevent the engine to be transported on the X-axis roller conveyor platform 2 5 from slipping back, a limit assembly is installed at the entrance of the X-axis roller conveyor platform 2 5. The limit assembly includes a lifting cylinder 1 8 and a limit plate 9. The limit plate 9 is installed on the output end of the lifting cylinder 1 8, which is installed at the entrance of the X-axis roller conveyor platform 2 5. When the engine is transported to the X-axis roller conveyor platform 2 5, the lifting cylinder 1 8 is activated to raise the limit plate 9. The raised limit plate 9 can limit the engine, preventing the engine from slipping back on the X-axis roller conveyor platform 2 5.

[0076] In the description of the present invention, it should be noted that the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the process, method, article, or apparatus comprising the element.

[0077] In addition, in the description of the present invention, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the present invention.

[0078] On the other hand, it should be noted that, unless otherwise expressly specified or limited, the terms "disposed on," "installed," "connected," and "connected" should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

Claims

1. A double-layer rotary automatic conveying roller device, characterized in that: include: Workbench (1); A transmission device is provided on the top of the workbench (1), comprising an X-axis roller conveyor platform (2), a Y-axis conveyor belt device (3) and a steering unit (4); the X-axis roller conveyor platform (2) is installed on the top of the workbench (1), the Y-axis conveyor belt device (3) is installed in the X-axis roller conveyor platform (2), and a lifting unit (1) is installed at the bottom of the Y-axis conveyor belt device (3) for lifting the height of the Y-axis conveyor belt device (3); the steering unit (4) is installed between the bottom of the X-axis roller conveyor platform (2) and the top of the workbench (1) for conveying and steering the Y-axis conveyor belt device (3); The second transmission device is arranged at the inner bottom of the workbench (1), and comprises an X-axis roller conveyor platform (5), a Y-axis conveyor belt device (6) and a steering unit (7). The second X-axis roller conveyor platform (5) is installed on the inner bottom wall of the workbench (1), the second Y-axis conveyor belt device (6) is installed in the second X-axis roller conveyor platform (5), and the bottom of the second Y-axis conveyor belt device (6) is installed with a lifting unit (2) for lifting the height of the second Y-axis conveyor belt device (6); the second steering unit (7) is installed between the bottom of the second X-axis roller conveyor platform (5) and the inner bottom wall of the workbench (1), and is used for conveying and steering the second Y-axis conveyor belt device (6).

2. The double-layer rotary automatic conveying roller device according to claim 1 is characterized in that: A limiting assembly is installed at the entrance of the X-axis roller conveyor platform 2 (5), and the limiting assembly includes a lifting cylinder 1 (8) and a limiting plate (9). The limiting plate (9) is installed on the output end of the lifting cylinder 1 (8), and the lifting cylinder 1 (8) is installed at the entrance of the X-axis roller conveyor platform 2 (5).

3. The double-layer rotary automatic conveying roller device according to claim 1 is characterized in that: The Y-axis conveyor belt device (3) includes a conveyor frame (301), a conveyor belt (302) and a driving mechanism (3). The conveyor belt (302) is installed on both sides of the interior of the conveyor frame (301). The driving mechanism (3) is installed on the bottom of the conveyor frame (301) to drive the conveyor belt (302) to rotate.

4. The double-layer rotary automatic conveying roller device according to claim 1 is characterized in that: The steering unit 1 (4) includes a rotating wheel 1 (401), a positioning plate (402), a driving motor 1 (403) and a positioning cylinder (404); The rotating wheel 1 (401) is fixedly mounted to the bottom of the X-axis roller conveyor platform 1 (2), the bottom of the rotating wheel 1 (401) is fixedly mounted to the rotating shaft 1 (405), and the rotating shaft 1 (405) is rotatably mounted on the positioning plate (402) and penetrates to the bottom of the positioning plate (402); The driving motor 1 (403) is fixedly mounted on the positioning plate (402), and a driving wheel (406) is mounted on the output shaft of the driving motor 1 (403), and the driving wheel (406) is in contact with the rotating wheel 1 (401); The positioning cylinder (404) is mounted to the bottom of the positioning plate (402), a positioning plate (407) is fixedly mounted on the bottom of the rotating shaft (405), a plurality of positioning grooves (408) are spaced apart on the positioning plate (407), a positioning rod (409) is mounted on the output shaft of the positioning cylinder (404), and the top of the positioning rod (409) is snapped into one of the positioning grooves (408).

5. The double-layer rotary automatic conveying roller device according to claim 1 is characterized in that: A guide wheel 2 (11) is installed at the entrance of the X-axis roller conveyor platform 1 (2).

6. The double-layer rotary automatic conveying roller device according to claim 1 is characterized in that: The Y-axis conveyor belt device 2 (6) includes a conveyor frame 2 (601), a conveyor belt 2 (602) and a drive mechanism 2. The conveyor belt 2 (602) is installed on both sides of the conveyor frame 2 (601), and the drive mechanism 2 is installed on the bottom of the conveyor frame 2 (601) to drive the conveyor belt 2 (602) to rotate.

7. The double-layer rotary automatic conveying roller device according to claim 1 is characterized in that: The second steering unit (7) includes a second rotating shaft (701), a driven gear (702), a rodless cylinder (703) and a rack (704); One end of the second rotating shaft (701) is fixedly mounted on the bottom end surface of the second X-axis roller conveyor platform (5), and the other end of the second rotating shaft (701) is rotatably mounted on the inner bottom wall of the workbench (1); The driven gear (702) is fixedly mounted on the second rotating shaft (701); The rodless cylinder (703) is mounted on one side of the driven gear (702); The rack (704) is fixedly mounted on the output end of the rodless cylinder (703), and the rack (704) is meshed with the driven gear (702) for transmission.

8. The double-layer rotary automatic conveying roller device according to claim 3 is characterized in that: The lifting unit 1 includes a mounting frame 1 (12) and a top extension cylinder 1 (13); The mounting frame 1 (12) is fixedly mounted on both sides of the conveying frame 1 (301), the top extension cylinder 1 (13) is mounted on the inner bottom wall of the X-axis roller conveying platform 1 (2), and the output end of the top extension cylinder 1 (13) is mounted on the bottom of the mounting frame 1 (12).

9. The double-layer rotary automatic conveying roller device according to claim 6, characterized in that: The second lifting unit comprises a second mounting frame (14) and a second extension cylinder (15); The second mounting frame (14) is fixedly mounted on both sides of the second conveying frame (601), the second extension cylinder (15) is mounted on the inner bottom wall of the second X-axis roller conveying frame (5), and the output end of the second extension cylinder (15) is mounted on the bottom of the second mounting frame (14).

10. The double-layer rotary automatic conveying roller device according to claim 1, characterized in that: A guide wheel 1 (10) is installed at the entrance of the X-axis roller conveyor platform 2 (5).

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