Automatic material arrangement and conveying device based on posture correction

Abstract

The application discloses a material automatic arrangement and conveying device based on posture correction and relates to the technical field of new energy vehicle part conveying and assembling.The device comprises a correction frame, the top of the correction frame is provided with a displacement control table, a sliding rod is arranged on the side of the displacement control table, a jacket is slidably connected to the sliding rod, a lead screw is further arranged on the side of the displacement control table, and one end of the lead screw penetrates through the jacket and is movably connected to the other side of the displacement control table.The correction mechanism is provided with a rotating sleeve limiting channel and a dynamic regulation and control mechanism, the three-ring combined sleeve set is matched with the displacement control table, quick changeover is realized, the poor adaptability of the vibration disc is solved, the staggered layout of the convex sleeve is adjusted, single-shaft control of multiple-stage limiting blocks is realized, the geometric constraint of the traditional mechanical correction device is broken, the self-adaptive flow channel is constructed, and the sorting can be completed without stopping, and the delay defect of the visual system is avoided.

Description

Technical Field

[0001] This invention relates to the field of new energy vehicle component conveying and assembly technology, specifically to an automatic material arrangement and conveying device based on posture correction. Background Technology

[0002] Automatic posture correction technology, as one of the core links in modern industrial automation production, plays a key role in improving assembly accuracy and ensuring production line efficiency. In the manufacturing process of new energy vehicles, the assembly accuracy of key components such as battery modules, motor controllers, and high-voltage connectors directly affects the safety and performance of the whole vehicle. Traditional vibratory feeders and mechanical alignment devices are difficult to adapt to the high-precision posture correction requirements of irregular, hooked, or asymmetrical automotive parts, resulting in problems such as high assembly error rate and frequent production line downtime.

[0003] In automated production lines, the consistency of the posture of automotive parts conveyed is a fundamental prerequisite for achieving subsequent precise operations. For example, the cylinder push plate system in patent CN209480099U uses a stop block and push plate to push the workpiece to a uniform state. In patent CN218453731U, an adjustable guide belt is used to form a V-shaped channel to guide the posture of the cup. However, although such devices have a fast response speed, they are only suitable for regular geometric shapes and are prone to mechanical interference damage to multi-curved and irregular parts.

[0004] Therefore, we propose an automatic material arrangement and conveying device based on posture correction. Summary of the Invention

[0005] The purpose of this invention is to provide an automatic material arrangement and conveying device based on posture correction, thereby solving the problems mentioned in the background art;

[0006] To achieve the above objectives, the present invention provides the following technical solution: an automatic material arrangement and conveying device based on posture correction, comprising a correction frame, a displacement control console mounted on the top of the correction frame, a sleeve slidably connected to a sliding rod mounted on the side of the displacement control console, and a lead screw mounted on the side of the displacement control console, one end of the lead screw passing through the sleeve and movably connected to the other side of the displacement control console;

[0007] A sliding guide sleeve is clamped and fixed on the sleeve. A limit correction mechanism is movably connected to the inner side of the sliding guide sleeve. The limit correction mechanism includes a rotating sleeve movably connected to the inner wall of the sliding guide sleeve. Limit channels are evenly opened in the rotating sleeve. Adjustment cavities are evenly opened in the rotating sleeve and located on the side of the limit channels. A limit block is slidably connected in the adjustment cavity. The side of the limit block penetrates the inner wall of the rotating sleeve and extends into the limit channels.

[0008] A guide post is installed inside the sleeve and on the correction frame. A transmission groove is provided on the guide post. Flow channel one and flow channel two are fixedly connected to the correction frame. One end of the transmission groove corresponds to the inlet of flow channel two.

[0009] Furthermore, a motor and a transmission sleeve are installed on the top of the correction frame, and a pulley is provided at the end of the motor and connected to the pulley at the end of the transmission sleeve by a belt. A positioning column is installed inside the transmission sleeve, and one end of the positioning column is fixed to the correction frame, and the other end is fixed to the side wall of the guide column.

[0010] Furthermore, the sliding guide sleeve is composed of three rings, and each ring has a limiting and correcting mechanism installed inside. A transmission gear shaft is movably connected to the correcting frame. The transmission gear shaft passes through the sliding guide sleeve, and the sleeve is provided with teeth that mesh with the teeth on the transmission gear shaft.

[0011] Furthermore, the limiting correction mechanism also includes a reset spring disposed on the side of the limiting block within the control cavity. An adjusting shaft is installed on the sleeve and in the corresponding control cavity. One end of the adjusting shaft is movably connected to the inner wall of the single-sided sleeve, and the other end of the adjusting shaft passes through the sleeve and is fitted with an adjusting toothed ring. An adjusting protrusion is fitted on the adjusting shaft and in the control cavity. The adjusting protrusion is installed at different angles within a single sleeve, and the angle deviation between adjacent single sleeves is 120°.

[0012] Furthermore, the adjusting shaft is fitted with a fixed toothed sleeve inside the adjusting toothed ring, and the toothed ring movably connected on the adjusting toothed ring meshes with each toothed sleeve. The toothed ring side connected on the adjusting toothed ring is also provided with a positioning hole, which corresponds to the hole on the outer wall of the rotating sleeve.

[0013] Furthermore, the sliding guide sleeve is symmetrically provided with chutes, the top chutes corresponding to flow channel one, and the bottom chutes corresponding to flow channel two.

[0014] The automatic material arrangement and conveying method with this posture correction is as follows:

[0015] Select the sliding guide sleeve according to the shape of the material, control the screw rotation with the displacement console, adjust the position of the clamp on the straightening frame, and at the same time complete the alignment of the end chute and the flow channel of the corresponding sliding guide sleeve.

[0016] The material is fed into the top channel of the straightening frame. The material enters the bottom of the chute of the sliding guide sleeve along the channel and is driven by the motor to rotate the transmission gear shaft, which in turn drives the rotating sleeve to rotate. When the upper limit channel of the rotating sleeve coincides with the chute, the material falls automatically and moves synchronously through the rotation of the rotating sleeve. The material placed in the correct position is automatically discharged as the rotating sleeve rotates 270° and finally enters the second channel along the chute. The material placed in the reverse position is automatically separated and enters the conduction trough as the rotating sleeve rotates 120° and finally remains in the correct position before being discharged, thus completing the material posture correction.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. In this invention, the adaptability of the device to irregularly shaped automotive parts is significantly improved by the quick-change sliding guide sleeve and the multi-level limit block control mechanism. It is especially suitable for the uniform and continuous conveying of complex-shaped parts such as battery modules, sensors, and connectors for new energy vehicles. It effectively avoids the problems of high customization cost and poor adaptability of traditional vibratory feeders. At the same time, the extension and retraction of the limit block is controlled by the adjusting convex sleeve. Combined with the staggered design of the rotating sleeve, the spatial shape of the limit channel can be precisely adjusted to ensure the stable engagement and release of various materials, significantly improving the versatility of the equipment. The overall adaptability and flexible adjustment capability of the equipment are improved.

[0019] 2. In this invention, based on the rotation mechanism of the swivel sleeve, combined with the synergistic effect of the limiting block and the guide column, the material is automatically sorted and uniformly output in both forward and reverse directions. After rotating at a large angle inside the swivel sleeve, the material is directly discharged into the second flow channel through the chute, maintaining its original posture for output. Alternatively, after rotation, if it is not blocked by the limiting block, it will automatically detach and slide into the transmission trough, eventually entering the second flow channel in a forward posture, thus completing the posture correction during the automatic arrangement and conveying of the material. At the same time, the reset spring ensures that the limiting block is reset in time, and the adjusting toothed ring synchronously controls multiple sets of limiting blocks to ensure the continuous and reliable correction process, completely solving the problem of the difficulty of orienting complex parts by traditional vibratory feeders. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the automatic material arrangement and conveying device with posture correction according to the present invention;

[0021] Figure 2 This is a side view of the automatic material arrangement and conveying device with posture correction according to the present invention.

[0022] Figure 3 This is a schematic diagram showing the connection between the sliding guide sleeve, the limiting and correcting mechanism, and the guide column of the present invention;

[0023] Figure 4 This is a schematic diagram of the separation structure of the sliding guide sleeve and the limiting and correcting mechanism of the present invention;

[0024] Figure 5This is a schematic diagram of the installation structure of the adjusting shaft in the inner adjusting cavity of the sleeve of the present invention;

[0025] Figure 6 This is a schematic diagram of the structure for mounting an adjusting gear ring on the back side adjusting shaft of the present invention;

[0026] Figure 7 This is a schematic diagram of the transmission of the new energy vehicle connector maintaining its shape in the limiting and correcting mechanism of the present invention;

[0027] Figure 8 This is a schematic diagram of the transmission of the new energy vehicle connector in the second position entering the limit correction mechanism of the present invention.

[0028] In the diagram: 1. Correction frame; 2. Displacement control console; 3. Lead screw; 4. Jacket; 5. Sliding guide sleeve assembly; 6. Chute; 7. Flow channel one; 8. Flow channel two; 9. Limiting correction mechanism; 901. Rotating sleeve; 902. Limiting channel; 903. Control cavity; 904. Limiting block; 905. Return spring; 10. Guide post; 11. Transmission groove; 12. Adjusting shaft; 13. Adjusting convex sleeve; 14. Transmission gear shaft; 15. Adjusting gear ring; 16. Gear sleeve; 17. Motor; 18. Transmission sleeve; 19. Positioning post. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Please see Figure 1-8 The present invention provides a technical solution:

[0031] Example 1: Vibratory feeder feeding is a common method for part orientation and conveying in automated production. It can also correct part posture by setting up special tracks. However, one drawback is that it cannot adapt to parts with complex shapes, asymmetry, or hooks. It often struggles to reliably or requires extremely complex and expensive custom tracks and tools. Therefore, [the following text is missing from the original] Figure 1 As shown, the automatic material arrangement and conveying device with posture correction uses a vertically placed disc for material transfer and conveying. The posture correction of the parts is completed during the guiding process, and it is suitable for parts with hooks and other complex shapes.

[0032] The top of the straightening frame 1 is equipped with a displacement control console 2. Unlike the vibratory feeder, which corresponds to the shape of the material and has poor adjustment flexibility, the displacement control console 2 is equipped with a sliding guide sleeve 5. The sliding guide sleeve 5 adopts a combination ring setting, and each ring corresponds to a set of limit correction mechanisms 9, which facilitates quick adjustment when switching parts and feeding, instead of replacing the vibratory feeder.

[0033] like Figure 2 As shown, the slide bar and lead screw 3 are set on the displacement control console 2. By driving the lead screw 3 to rotate, the clamp 4 sleeved on the lead screw 3 and slide bar drives the entire sliding guide sleeve 5 to move at a fixed point, controlling the chute 6 on the corresponding ring surface to coincide with the flow channel 7. The new energy vehicle connector is first sent to the end of the flow channel 7 by the conveyor belt, automatically discharged, and finally enters the chute 6 along the flow channel 7.

[0034] like Figure 3 and Figure 4 As shown, a limiting correction mechanism 9 is installed inside the sliding guide sleeve 5. The main body of the limiting correction mechanism 9 consists of a rotating sleeve 901, which is driven by a transmission gear shaft 14 mounted on the correction frame 1. The transmission gear shaft 14 passes through the sliding guide sleeve and meshes with the teeth on the surface of the rotating sleeve 901 through its teeth, without affecting the normal back-and-forth sliding of the rotating sleeve 901. For driving the transmission gear shaft 14, a motor 17, a transmission sleeve 18, and a positioning post 19 are mounted on the correction frame 1. A pulley is mounted on the end of the motor 17 and a pulley is mounted on the end of the transmission sleeve 18. The transmission sleeve 18 is connected to the transmission gear shaft 14 via a pulley, allowing the motor 17 to rotate and indirectly drive the transmission gear shaft 14. A positioning post 19 is located inside the transmission sleeve 18. This positioning post 19 stabilizes the guide post 10 in the middle of the sleeve 901. In other words, only the sliding guide sleeve group 5 and the entire limiting and correcting mechanism 9 can slide back and forth on the entire annular surface of the sleeve 4, while the guide post 10 remains fixed. A transmission groove 11 is located in the middle of the guide post 10, and the outlet of this transmission groove 11 always corresponds to the flow channel 2 8. Figure 1 Combination Figure 5 As shown, by changing the correspondence between different annular surfaces on the sliding guide sleeve 5 and the flow channel 7 through the displacement control console 2, the components set in the limit correction mechanism 9 in the corresponding annular surfaces are different, thereby realizing the correction and transportation of new energy vehicle connectors of different sizes or shapes.

[0035] The core component is the entire limiting and correcting mechanism 9, and the entire structure of the rotating sleeve 901 is as follows: Figure 4As shown, the rear end of the sleeve 901 is provided with teeth that engage with the inner groove of the entire sliding guide sleeve 5, without affecting the rotational movement of the sleeve 901. Simultaneously, limit channels 902 are evenly distributed within the sleeve 901, and a control cavity 903 is also provided on the sleeve 901 on the side of the limit channel 902. A limit block 904, slidably connected within the control cavity 903, extends into the limit channel 902, constructing placement spaces of different shapes within the limit channel 902, such as… Figure 7 As shown, the motion posture correction is illustrated using a U-shaped connector for new energy vehicles as an example.

[0036] Therefore, a square limiting block 904 is used. If a "round cap" type new energy vehicle connector is subsequently adopted, the shape of the limiting block 904 can be changed accordingly to make it fit with different new energy vehicle connectors. Figure 7 and Figure 8 To explain, the new energy vehicle connectors discharged into the flow channel 7 enter the waiting area along the chute 6 on the sliding guide sleeve 5. Here, depending on whether the depth of the new energy vehicle connector matches that of the limiting channel 902, if the length matches, the area of ​​the sliding guide sleeve 5 can be increased to expand the chute 6, making it easier for the new energy vehicle connectors to be arranged and waiting for unloading. If the length does not match, the unloading will be matched according to the rotation speed of the inner sleeve 901 to avoid placing multiple new energy vehicle connectors in the same limiting channel 902, which could easily cause the rotation of the sleeve 901 to be obstructed.

[0037] The new energy vehicle connector gradually moves downward into the limiting channel 902. The opening of the new energy vehicle connector faces upward, which is the front side. Figure 7 As shown, the new energy vehicle connector placed on the front rotates with the rotating sleeve 901 and moves along the guide post 10 at the bottom. During the rotation, due to the change in angle, the new energy vehicle connector placed on the front begins to be flipped upside down in the limiting channel 902. Since there is a limiting block 904 on the limiting channel 902, the opening side of the new energy vehicle connector is locked with the limiting block 904. When it rotates 120° and enters the position of the conduction groove 11, it cannot slide off normally due to the abutment of the limiting block 904. As the rotation continues and the angle increases, the new energy vehicle connector locked on the limiting block 904 will automatically peel off. Finally, when it moves to the position of the bottom chute 6, it will automatically keep its front side and be discharged into the flow channel 2 8.

[0038] If the discharge channel 7 is the reverse side of the new energy vehicle connector, with the opening facing downwards, then... Figure 8As shown, as the entire rotating sleeve 901 rotates at intervals, when it rotates 120° to enter the position of the transmission groove 11, since the opening of the new energy vehicle connector is facing down, the back of the flipped new energy vehicle connector is attached to the protruding limiting block 904. The unrestrained new energy vehicle connector automatically slides into the transmission groove 11, and finally slides into the flow channel 8 with its front side facing up. That is, the new energy vehicle connectors are arranged in opposite directions, and the new energy vehicle connectors at the outlet are all facing up, completing the attitude correction and conveying.

[0039] Example 2: When the new energy vehicle connector is snapped onto the limiting block 904 and the limiting block 904 needs to be adjusted to adapt to the size of the new energy vehicle connector, the entire limiting block 904 needs to be movable to improve the overall flexibility and safety of the new energy vehicle connector transportation. For this purpose, an upper control cavity 903 is set in the sleeve 901. One side of the control cavity 903 is a slidingly connected limiting block 904. At the same time, a return spring 905 is sleeved on the limiting block 904. The entire control cavity 903 is movably connected to the upper adjustment shaft 12.

[0040] like Figure 5 As shown, the adjusting shaft 12 is located inside the adjusting cavity and an adjusting sleeve 13 is installed. The adjusting shaft 12 rotates to drive the adjusting sleeve 13 to rotate. The adjusting sleeve 13 is similar to a cam structure. When the protruding side contacts the side of the limiting block 904, it squeezes it out, thereby increasing the floor space of the limiting block 904 in the limiting channel 902. Conversely, when there is no adjusting sleeve 13 to abut, the return spring 905 pushes back, thereby retracting the limiting block 904, which is conducive to the new energy vehicle connector that is stuck on the limiting block 904 falling off.

[0041] Involves the rotation control of adjusting shaft 12, such as Figure 2 and 6 As shown, an adjusting toothed ring 15 is installed on the single-sided sliding guide sleeve 5, and six adjusting shafts 12 pass through the adjusting toothed ring 15. At the same time, a toothed ring is movably connected to the outside of the adjusting toothed ring 15. The toothed ring meshes with the toothed sleeve 16 sleeved at the end of the adjusting shaft 12. As the toothed ring rotates, it drives the adjusting shaft 12 to rotate synchronously, and finally realizes the extension and retraction control of the limit block 904 within the limit channel 902.

[0042] Because the entire adjusting shaft 12 rotates with the sleeve 901 and is simultaneously abutted by multiple return springs 905, the adjusting gear ring 15 is prone to resetting. Therefore, as follows: Figure 6 As shown, a positioning hole is provided on the side wall of the toothed ring. This positioning hole corresponds to the hole on the sleeve 901. After adjusting the rotation angle, the positioning bolt is inserted into the corresponding hole to lock the entire toothed ring and prevent the toothed ring from moving after adjustment.

[0043] Additionally, the rotation of the gear ring currently relies on manual adjustment and fixing. In the future, the positioning bolt will be eliminated, and the gear added on the outside will mesh with the newly set teeth on the outside of the gear ring. The rotating sleeve 901 will drive the gear ring to rotate. When adjustment is needed, the new gear will remain stationary and the gear ring will rotate automatically. When no adjustment is needed, the new gear will rotate synchronously with the gear ring, keeping the inner gear sleeve 16 stationary.

[0044] Since the single adjusting shaft 12 passes through three sleeves 901, a single rotation should not affect the limiting blocks 904 inside other sleeves 901. Therefore, the initial deflection angle of the three adjusting protrusions 13 on the single adjusting shaft 12 is controlled, with each controlling an angle range of 120°. That is, rotating 0-120° controls the rotation of the adjusting protrusion 13 inside the front sleeve 901, 120-240° is the control angle of the adjusting protrusion inside the middle sleeve 901, and 240-360° is the control angle range of the adjusting protrusion inside the rear sleeve 901. Within the corresponding angle range, the movement of the adjusting protrusion inside the corresponding sleeve 901 is controlled, so that when a single sleeve 901 is working, the rotation of the adjusting shaft 12 will not affect the position of the limiting blocks 904 inside the subsequent sleeves 901, and they will not affect each other.

[0045] The above description is merely an example and illustration of the structure of the present invention. Those skilled in the art can make various modifications or additions to the specific embodiments described, or use similar methods to replace them, as long as they do not deviate from the structure of the invention or exceed the scope defined in the claims, all of which should fall within the protection scope of the present invention.

[0046] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0047] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to specific implementations. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An automatic material arrangement and conveying device based on posture correction, comprising a correction frame (1), characterized in that, The top of the correction frame (1) is equipped with a displacement control console (2), and a sleeve (4) is slidably connected to a sliding rod on the side of the displacement control console (2). A lead screw (3) is also installed on the side of the displacement control console (2). One end of the lead screw (3) passes through the sleeve (4) and is movably connected to the other side of the displacement control console (2). A sliding guide sleeve (5) is clamped and fixed on the sleeve (4). A limiting correction mechanism (9) is movably connected inside the sliding guide sleeve (5). The limiting correction mechanism (9) includes a rotating sleeve (901) movably connected to the inner wall of the sliding guide sleeve (5). A limiting channel (902) is evenly opened inside the rotating sleeve (901). An adjustment cavity (903) is evenly opened inside the rotating sleeve (901) and on the side of the limiting channel (902). A limiting block (904) is slidably connected inside the adjustment cavity (903). The side of the limiting block (904) penetrates the inner wall of the rotating sleeve (901) and extends into the limiting channel (902). A guide post (10) is installed inside the sleeve (901) and on the straightening frame (1). A transmission groove (11) is provided on the guide post (10). A flow channel one (7) and a flow channel two (8) are fixedly connected on the straightening frame (1). One end of the transmission groove (11) corresponds to the inlet of the flow channel two (8).

2. The automatic material arrangement and conveying device based on posture correction according to claim 1, characterized in that, The top of the correction frame (1) is equipped with a motor (17) and a transmission sleeve (18), and the end of the motor (17) is provided with a pulley that is connected to the end of the transmission sleeve (18) by a belt. The transmission sleeve (18) is equipped with a positioning column (19), and one end of the positioning column (19) is fixed to the correction frame (1), and the other end is fixed to the side wall of the guide column (10).

3. The automatic material arrangement and conveying device based on posture correction according to claim 2, characterized in that, The sliding guide sleeve (5) is composed of three rings, and each ring is equipped with a limiting correction mechanism (9). The correction frame (1) is movably connected to a transmission gear shaft (14), which passes through the sliding guide sleeve (5). The rotating sleeve (901) is provided with teeth that mesh with the teeth on the transmission gear shaft (14).

4. The automatic material arrangement and conveying device based on posture correction according to claim 3, characterized in that, The limiting correction mechanism (9) also includes a reset spring (905) disposed in the control cavity (903) on the side of the limiting block (904). An adjusting shaft (12) is installed on the sleeve (901) and in the corresponding control cavity (903). One end of the adjusting shaft (12) is movably connected to the inner wall of the single-sided sleeve (901). The other end of the adjusting shaft (12) passes through the sleeve (901) and is fitted with an adjusting toothed ring (15). An adjusting protrusion (13) is fitted on the adjusting shaft (12) and in the control cavity (903). The installation angle of the adjusting protrusion (13) in a single sleeve (901) is different, and the angle deviation of the adjusting protrusion (13) in adjacent single sleeves (901) is 120°.

5. The automatic material arrangement and conveying device based on posture correction according to claim 4, characterized in that, The adjusting shaft (12) is located inside the adjusting gear ring (15) and is also fitted with a fixed gear sleeve (16). The gear ring movably connected on the adjusting gear ring (15) meshes with each gear sleeve (16). The side of the gear ring connected on the adjusting gear ring (15) is also provided with a positioning hole, which corresponds to the hole on the outer wall of the rotating sleeve (901).

6. The automatic material arrangement and conveying device based on posture correction according to claim 1, characterized in that, The sliding guide sleeve (5) is symmetrically provided with chutes (6), the top chutes (6) are corresponding to the first flow channel (7), and the bottom chutes (6) are corresponding to the second flow channel (8).

7. The automatic material arrangement and conveying device based on posture correction according to claim 1, characterized in that, The automatic material arrangement and conveying method with this posture correction is as follows: Select the sliding guide sleeve (5) according to the shape of the material, control the screw (3) to rotate the displacement control console (2), adjust the position of the jacket (4) on the straightening frame (1), and at the same time complete the alignment of the end chute (6) of the corresponding sliding guide sleeve (5) with the flow channel (7); The top flow channel (7) of the straightening frame (1) feeds the material. The material enters the bottom of the chute (6) of the sliding guide sleeve (5) along the flow channel (7). The transmission gear shaft (14) driven by the motor (17) rotates, which drives the rotating sleeve (901) to rotate. When the upper limit channel (902) of the rotating sleeve (901) coincides with the chute (6), the material falls automatically and moves synchronously through the rotation of the rotating sleeve (901). The material placed in the forward position is automatically discharged with the rotating sleeve (901) rotating 270°. Finally, it enters the flow channel (8) along the chute (6). The material placed in the reverse position is automatically separated and enters the transmission groove (11) with the rotating sleeve rotating 120°. Finally, it is discharged while maintaining the forward position, thus completing the material posture correction.

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