Turnover device and turnover method for transportation

Abstract

The invention discloses a turnover device for transportation and a turnover method, and belongs to the technical field of turnover devices.The turnover device for transportation comprises a transverse conveying unit and a longitudinal conveying unit, and a lifting turnover mechanism is arranged at the intersection position of the transverse conveying unit and the longitudinal conveying unit; the lifting turnover mechanism comprises a base assembled on the sliding rail in a sliding mode and a supporting assembly assembled on the base. In the process that the lifting unit drives the supporting assembly to move downwards, the conveying rollers can rotate to the state of being aligned with the transverse conveying unit, then the material box is conveyed to the transverse conveying unit, in addition, along with resetting of the supporting assembly, the conveying rollers can return to the state of being parallel to the longitudinal conveying unit again, and the conveying efficiency is improved. Therefore, according to the scheme, the material boxes can enter and exit from the supporting assembly in different directions, and the continuity of lifting and overturning of the material boxes is improved.

Description

Technical Field

[0001] This invention relates to the field of tipping device technology, and in particular to a tipping device and tipping method for transportation. Background Technology

[0002] Chinese invention patent CN118120946A discloses a conveying and turning device for transporting tobacco shreds and proportioning. By controlling the lifting and lowering of the lifting guide rail and the turning of the bracket, and with the help of two fixed plates clamping the box, the lifting and turning of the box is completed. When the box rises to a certain height, the box is turned over, which can tilt the tobacco shreds, thereby reducing the labor intensity of the operator.

[0003] The aforementioned device uses a rolling rod to convey materials. In actual use, the material enters and exits along the direction of the rolling rod, which results in the material not being conveyed continuously. This leads to poor continuity in material transport and tumbling. Therefore, the aforementioned device still has room for improvement.

[0004] Therefore, it is necessary to provide a transport tilting device and tilting method to solve the above-mentioned technical problems. Summary of the Invention

[0005] The purpose of this invention is to provide a transport overturning device and overturning method to solve the problem mentioned in the background art that the existing device uses a rolling rod to transport materials. In actual use, the material enters and exits along the direction of the rolling rod, which results in the goods not being transported continuously and the continuity of material transport and overturning is poor.

[0006] Based on the above ideas, the present invention provides the following technical solution: a transport overturning device, including a transverse conveying unit and a longitudinal conveying unit, a lifting and overturning mechanism is arranged at the intersection of the transverse conveying unit and the longitudinal conveying unit, the lifting and overturning mechanism includes a base slidably mounted on a slide rail and a support assembly mounted on the base, the support assembly includes a sleeve plate rotatably mounted on the base, an inner frame plate is arranged inside the sleeve plate, and a conveying roller is installed on the inner frame plate. The inner frame plate can rotate relative to the sleeve plate. During the process of the lifting unit driving the support component to descend, the inner frame plate can rotate 90°, so that the conveying roller on the inner frame plate can be parallel to the transverse conveying unit, so as to facilitate the material box being led out from the direction of the transverse conveying unit.

[0007] As a further embodiment of the present invention: a base plate is fixedly installed on the top of the sleeve plate, a baffle and a pressure plate are provided on one side of the base plate, the baffle is fixedly connected to the base plate, the pressure plate can move laterally relative to the base plate to clamp the material box between the pressure plate and the baffle, and the pressure plate can deflect outward relative to the base plate.

[0008] As a further aspect of the present invention: a sleeve is installed below the inner frame plate and at the center position. The sleeve can rotate synchronously with the inner frame plate. An inclined upper sliding groove and a lower sliding groove are formed on the outer circumferential surface of the sleeve. The upper sliding groove and the lower sliding groove are interconnected and symmetrically distributed. A connecting plate is provided below the support component. A guide post that slides with the upper sliding groove and the lower sliding groove is elastically connected to one end of the connecting plate near the sleeve.

[0009] As a further embodiment of the present invention: a connecting shaft is arranged below the inner frame plate and at the center position. The connecting shaft is in drive cooperation with the conveying roller. A sleeve is provided on one side of the connecting plate. The sleeve is driven to rotate by an external drive motor. A strip groove is opened on the inner wall of the sleeve. A protrusion that cooperates with the strip groove is elastically connected to the outer circumference of the connecting shaft.

[0010] As a further embodiment of the present invention: a slider is slidably mounted on the substrate, the slider having an overall U-shaped structure, the pressure plate is hinged to the slider, and the hinge position is located on the outer side of the pressure plate, the horizontal section of the pressure plate is in contact with the slider, and an arc-shaped spring is fixedly provided between the slider and the outer side of the pressure plate.

[0011] As a further aspect of the present invention: a limiting rod is elastically connected to the slider, a limiting hole that cooperates with the limiting rod is provided on the horizontal section of the pressure plate, a positioning strip is fixedly provided on the limiting rod, and a pressure rod is fixedly installed on the base plate. The pressure rod is generally zigzag-shaped, so that an inclined part is formed on the pressure rod. When the slider moves relative to the base plate toward the baffle and the positioning strip moves to the inclined part, the pressure of the inclined part on the positioning strip can cause one end of the limiting rod to be inserted into the limiting hole.

[0012] As a further aspect of the present invention: both the transverse conveying unit and the longitudinal conveying unit are powered roller conveyors.

[0013] As a further aspect of the present invention: a protrusion is fixedly installed on the inner side of the base, and the sleeve plate rests on the protrusion to maintain the horizontal state of the sleeve plate.

[0014] As a further aspect of the present invention: the top and bottom ends of the convex strip located on the outer side of the connecting shaft are both inclined extrusion surfaces.

[0015] A flipping method using the above-mentioned transport flipping device includes the following steps: conveying a material box to a support assembly via a longitudinal conveying unit, driving the support assembly to move upward along a slide rail; after the support assembly moves into position, driving the support assembly to rotate so as to pour out the material in the material box; when the support assembly moves downward to the transverse conveying unit, the inner frame plate rotates 90° to guide the material box out from the direction of the transverse conveying unit; when the support assembly moves downward to the initial position, the inner frame plate can rotate 90° in the opposite direction to reset.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: This device rotates the inner frame plate inside the sleeve plate, so that during the process of the lifting unit driving the support assembly to move downward, the conveying roller can rotate to a state that is aligned with the transverse conveying unit, thereby conveying the material box to the transverse conveying unit. In addition, as the support assembly resets, the conveying roller can return to a state that is parallel to the longitudinal conveying unit, which is beneficial for conveying the next material box to the support assembly. Therefore, in this solution, the material box can enter and exit the support assembly in different directions, thereby increasing the continuity of the lifting and flipping of the material box. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the inner frame plate and sleeve plate structure of the present invention; Figure 3 This is a schematic diagram showing the position of the protrusion in this invention; Figure 4 This is a schematic diagram of the upper sliding groove and the lower sliding groove of the present invention; Figure 5 This is a schematic diagram of the baffle and pressure plate structure of the present invention; Figure 6 This is a schematic diagram of the cooperation between the limiting rod and the pressure plate of the present invention; Figure 7 This is the present invention. Figure 3 A magnified structural diagram at point A; Figure 8 This is the present invention. Figure 5 A magnified structural diagram at point B; Figure 9 This is the present invention. Figure 6 A magnified structural diagram at point C; Figure 10 This is a schematic diagram of the convex strip structure of the present invention.

[0018] In the diagram: 1. Longitudinal conveying unit; 2. Transverse conveying unit; 3. Sleeve plate; 301. Rotating shaft; 4. Inner frame plate; 401. Conveying roller; 5. Base plate; 501. Baffle plate; 502. Pressure plate; 5021. Horizontal section; 503. Boss; 6. Base; 7. Slide rail; 8. Slider; 9. Lead screw; 10. Sleeve; 1001. Strip groove; 11. Longitudinal support plate; 12. Sleeve; 1201. Upper sliding groove; 1202. Lower sliding groove; 1203. Straight groove; 13. Connecting shaft; 14. Transverse support plate; 15. Limiting rod; 1501. Positioning strip; 16. Driven bevel gear; 17. Inclined surface; 18. Pressure rod; 1801. Inclined part; 19. Limiting ring; 20. Connecting plate; 21. Guide column; 22. Protrusion strip; 2201. Extrusion surface; 23. Protrusion. Detailed Implementation

[0019] like Figures 1-10 As shown, a transport tilting device includes a transverse conveying unit 2 and a longitudinal conveying unit 1, which are perpendicularly distributed to each other, with the transverse conveying unit 2 located above the longitudinal conveying unit 1. (Refer to...) Figure 1 As shown, a lifting and tilting mechanism is arranged at the intersection of the transverse conveying unit 2 and the longitudinal conveying unit 1, from... Figure 1 As can be seen, the lifting and tilting mechanism includes a base 6 that is slidably mounted on a slide rail 7. The base 6 can move vertically along the slide rail 7, and a support assembly is mounted on the base 6. In actual use, the material box is conveyed to the support assembly through the longitudinal conveying unit 1. The base 6 can be moved upward by the external lifting unit. When the support assembly is in place, the motor arranged on the base 6 drives the support assembly to rotate outward, thereby emptying the material in the material box. Subsequently, when the lifting unit drives the support assembly downward to the transverse conveying unit 2, the material box on the support assembly can be discharged from the transverse conveying unit 2.

[0020] The support assembly includes a sleeve plate 3 rotatably mounted on a base 6. An inner frame plate 4 is arranged inside the sleeve plate 3. Both the inner frame plate 4 and the sleeve plate 3 are square structures, and a conveying roller 401 is provided inside the inner frame plate 4. Initially, the conveying roller 401 cooperates with the longitudinal conveying unit 1, so that when the material box on the longitudinal conveying unit 1 is conveyed to the support assembly, the conveying roller 401 can further drive the material box onto the support assembly.

[0021] The inner frame plate 4 can rotate relative to the sleeve plate 3 to change the direction in which the material box is sent out from the support assembly. Specifically, during the process of the lifting unit driving the support assembly to descend, the inner frame plate 4 can rotate 90°, so that the conveying roller 401 at the inner frame plate 4 is parallel to the transverse conveying unit 2, so that the material box can be discharged from the transverse conveying unit 2.

[0022] Of course, in order to clamp the material box on the support assembly, a base plate 5 is fixedly installed on the top of the sleeve plate 3. The base plate 5 is located on the side of the top of the sleeve plate 3 near the base 6. A baffle 501 and a pressure plate 502 are respectively provided on the side of the base plate 5 away from the base 6. The material box that is transferred to the support assembly is clamped between the baffle 501 and the pressure plate 502. Specifically, the baffle 501 is fixedly connected to the base plate 5, while the pressure plate 502 can move laterally relative to the base plate 5 and can deflect outward relative to the base plate 5, so that the material box can be sent out from the side of the pressure plate 502 to the transverse conveying unit 2.

[0023] Combination Figures 2-10 As shown, in order to drive the inner frame plate 4 to rotate relative to the sleeve plate 3, a sleeve 12 is installed below the inner frame plate 4 and at its center. The sleeve 12 can rotate synchronously with the inner frame plate 4. (Refer to...) Figure 4 As shown, the outer circumferential surface of the sleeve 12 is provided with an inclined upper sliding groove 1201 and an inclined lower sliding groove 1202. The upper sliding groove 1201 and the lower sliding groove 1202 are interconnected and symmetrically distributed. In actual use, the upper sliding groove 1201 and the lower sliding groove 1202 can be straight or arc-shaped. A connecting plate 20 is provided at the lower position of the support component. The connecting plate 20 can be fixed to the ground. A guide column 21 is elastically connected to one end of the connecting plate 20 near the sleeve 12. Specifically, during the process of the lifting unit driving the support component to descend, the guide column 21 can move upward along the lower sliding groove 1202. Thus, through the cooperation between the lower sliding groove 1202 and the guide column 21, the inner frame plate 4 can be rotated 90°, so that the conveying roller 401 is parallel to the transverse conveying unit 2, which is conducive to conveying the material box to the transverse conveying unit 2.

[0024] In addition, a connecting shaft 13 is arranged below the inner frame plate 4 and at the center. The connecting shaft 13 is arranged through the sleeve 12 along the axial direction of the sleeve 12 and is driven by the conveying roller 401, so that the connecting shaft 13 can drive the conveying roller 401 to rotate, which is beneficial for conveying the material box. A sleeve 10 is arranged on one side of the connecting plate 20. The sleeve 10 is rotatably installed on the ground and is driven by a drive motor installed on the ground, so that the drive motor can drive the sleeve 10 to rotate. At least one strip groove 1001 is opened on the inner wall of the sleeve 10, and a protrusion 22 that cooperates with the strip groove 1001 is elastically connected to the outer circumference of the connecting shaft 13. When the support assembly descends and the connecting shaft 13 is inserted into the sleeve 10, the protrusion 22 can be inserted into the strip groove 1001, so that the connecting shaft 13 can be driven to rotate synchronously through the sleeve 10, which is beneficial for driving the conveying roller 401 to rotate.

[0025] Working principle: Initially, the conveying roller 401 on the inner frame plate 4 is parallel to the longitudinal conveying unit 1. When the material box on the longitudinal conveying unit 1 is conveyed to the support assembly, the rotating conveying roller 401 can further convey the material box, so that the material box completely enters the support assembly and is located between the baffle 501 and the pressure plate 502. As the pressure plate 502 moves relative to the base plate 5, it can press the material box between the baffle 501 and the pressure plate 502. Then, the lifting unit drives the base 6 and the support assembly to move upward. When it moves into place, the motor drives the inner frame plate 4 and the sleeve plate 3 to rotate, thereby flipping the material box to pour out the material inside the material box. As the lifting unit moves the base 6 and support assembly downwards, when the support assembly moves to the transverse conveying unit 2, the guide column 21 can slide upwards along the lower slide groove 1202 to the junction of the lower slide groove 1202 and the upper slide groove 1201, so that the sleeve 12 and the inner frame plate 4 can rotate 90°, so that the conveying roller 401 can rotate to a state parallel to the transverse conveying unit 2. In addition, the connecting shaft 13 is also inserted into the sleeve 10. At this time, the lifting unit is stopped and the sleeve 10 is driven to rotate. Through the cooperation of the protrusion 22 and the strip groove 1001, the sleeve 10 can synchronously drive the connecting shaft 13 to rotate, thereby driving the conveying roller 401 to rotate to convey the material box to the transverse conveying unit 2. After that, the lifting unit again moves the support assembly downwards, so that the guide column 21 can slide upwards along the upper slide groove 1201, so that the inner frame plate 4 can rotate 90° in the opposite direction and return to a state parallel to the longitudinal conveying unit 1, so that the material box on the longitudinal conveying unit 1 can enter the support assembly.

[0026] In summary, this device rotatably mounts the inner frame plate 4 within the sleeve plate 3, allowing the conveying roller 401 to rotate to a state aligned with the transverse conveying unit 2 as the lifting unit moves the support assembly downwards. This facilitates the transfer of the material box to the transverse conveying unit 2. Furthermore, as the support assembly resets, the conveying roller 401 returns to a state parallel to the longitudinal conveying unit 1, which is beneficial for transferring the next material box to the support assembly. Therefore, in this design, the material box can enter and exit the support assembly in different directions, thereby increasing the continuity of the material box lifting and flipping.

[0027] To ensure that the pressure plate 502 does not interfere with the material box's output, this design incorporates a slider 8 slidably mounted on the base plate 5. Figure 2 , Figures 5-9 As shown, the slider 8 has an overall U-shaped structure, and the slider 8 slides in conjunction with the substrate 5 through a guide groove on the substrate 5. Figure 9As shown, the pressure plate 502 is generally L-shaped, and the pressure plate 502 is hinged to the slider 8 via a hinge or hinge. The hinge position is located on the outer side of the pressure plate 502. The horizontal section 5021 of the pressure plate 502 is in contact with the slider 8, so that the pressure plate 502 can only deflect outwards relative to the slider 8. (Refer to...) Figure 5 As shown, an arc-shaped spring is fixedly provided between the slider 8 and the outer side of the pressure plate 502, so that the pressure plate 502 can be parallel to the baffle 501 in the initial state. Furthermore, a limiting rod 15 is elastically connected to the slider 8, and the limiting rod 15 can slide relative to the slider 8. A limiting hole that mates with the limiting rod 15 is provided on the horizontal section 5021 of the pressure plate 502. (Refer to...) Figure 6 , Figure 9 As shown, a positioning strip 1501 is fixedly provided on the limiting rod 15, and the positioning strip 1501 passes through the preset slot on the slider 8. A pressure rod 18 is fixedly installed on the base plate 5. The pressure rod 18 is generally zigzag-shaped, so that an inclined portion 1801 is formed on the pressure rod 18. When the slider 8 moves relative to the base plate 5 towards the baffle 501, causing the positioning strip 1501 to move to the inclined portion 1801, the pressure of the inclined portion 1801 on the positioning strip 1501 can cause one end of the limiting rod 15 to be inserted into the limiting hole, thereby locking the pressure plate 502 and the slider 8.

[0028] Reference Figure 2 As shown, a lead screw 9 is provided on one side of the substrate 5. The lead screw 9 passes through the slider 8 and is threadedly connected to it, thereby enabling the slider 8 to move.

[0029] Specifically, when the material box is conveyed to the support assembly by the longitudinal conveying unit 1, the drive screw 9 rotates and drives the slider 8 to move towards the baffle 501. The slider 8 can synchronously drive the pressure plate 502 to move. During the process of the positioning bar 1501 passing through the inclined part 1801, the pressure of the inclined part 1801 on the positioning bar 1501 can squeeze the limiting rod 15 so that one end of it is inserted into the limiting hole of the pressure plate 502, thereby locking the pressure plate 502 and the slider 8. Subsequently, when the screw 9 drives the slider 8 and the pressure plate 502 to move, the pressure plate 502 can stably press against the outside of the material box, thereby pressing the material box between the baffle 501 and the pressure plate 502.

[0030] The core content of this solution has been described above. The auxiliary structures in this solution are described below: The base 6 is equipped with rollers that slide in cooperation with the slide rail 7. The rollers are arranged on both sides of the slide rail 7. The lifting unit is a winch. The wire rope on the winch extends downward along the slide rail 7 and is fixedly connected to the base 6, thereby driving the base 6 and the support components connected to the base 6 to move.

[0031] Both the transverse conveying unit 2 and the longitudinal conveying unit 1 are powered roller conveyors. Specifically, the powered roller conveyor drives the rollers to rotate through a motor, chain, belt, or other drive device, enabling automated continuous conveying. Since this is a mature technology, the powered roller conveyor will not be described in detail here. The inner frame plate 4 and the conveying rollers 401 in this solution can also be considered roller conveyors. Specifically, the conveying rollers 401 are rotatably coupled to the inner frame plate 4 via their end shafts, and belts or chains are fitted onto the shafts of adjacent conveying rollers 401, allowing multiple conveying rollers 401 to rotate synchronously. Figure 1 , Figures 5-8 , Figure 10 As shown, an annular groove is provided on the outer circumference of the conveying roller 401 located in the middle, and the annular groove is located in the middle position of the conveying roller 401. A driven bevel gear 16 is fixedly sleeved on the conveying roller 401 at the annular groove, and a driving bevel gear that meshes with the driven bevel gear 16 is fixedly provided at the top of the connecting shaft 13, so as to drive the conveying roller 401 to rotate.

[0032] A rotating shaft 301 is fixedly installed on the sleeve plate 3. The rotating shaft 301 passes through the base 6 and rotates with it. The motor installed on the base 6 is connected to the rotating shaft 301 through a gear set to drive the support component to rotate.

[0033] Connecting blocks are rotatably mounted at both ends of the lead screw 9, and the connecting blocks are fixedly connected to the base plate 5. A first motor is arranged on the base plate 5, and the output end of the first motor is connected to the end of the lead screw 9 to drive the lead screw 9 to rotate.

[0034] Reference Figures 2-3 As shown, a protrusion 23 is fixedly installed on the inner side of the base 6. Initially, the sleeve 3 rests on the protrusion 23 to maintain the horizontal state of the sleeve 3. A longitudinal support plate 11 is fixedly installed at the bottom of the sleeve 3. Figure 3 , Figure 7 As shown, the sleeve 12 passes through and rotatably engages with the longitudinal support plate 11, from... Figure 7 As can be seen, limit rings 19 are provided at the top and bottom of the longitudinal support plate 11, and the limit rings 19 are fixedly sleeved on the outside of the sleeve 12, so that the sleeve 12 and the longitudinal support plate 11 are stably matched.

[0035] Reference Figure 4 As shown, a transverse support plate 14 is fixedly installed at the bottom of the inner frame plate 4, and the sleeve 12 is fixedly installed at the bottom of the transverse support plate 14. The connecting shaft 13 passes through the transverse support plate 14 and rotates with it through a bearing. Figure 5As shown, a boss 503 is fixedly provided on the inner side of the substrate 5. The thickness of the boss 503 is greater than the width of the horizontal section 5021. When the material box is placed on the support assembly, the material box contacts the boss 503. Through this structure, the material box will not interfere with the horizontal section 5021 on the pressure plate 502 during the process of being pushed out of the support assembly.

[0036] Reference Figure 6 As shown, a first spring is fixedly installed between the side wall of the slot and the positioning strip 1501 to realize the elastic connection between the limiting rod 15 and the slider 8. When the positioning strip 1501 moves away from the baffle 501 and is offset from the inclined part 1801, the limiting rod 15 can pop out and disengage from the limiting hole.

[0037] Reference Figure 7 As shown, a second spring is fixedly installed between the guide post 21 and the pre-set circular hole end face on the connecting plate 20, thereby realizing the elastic fit between the guide post 21 and the connecting plate 20. Figure 4 , Figure 8 As shown, the outer wall of the sleeve 12 has straight grooves 1203 at the top of the upper sliding groove 1201 and the bottom of the lower sliding groove 1202. The straight grooves 1203 are parallel to the axis of the sleeve 12 and extend downwards to the bottom end face of the sleeve 12, connecting with the lower sliding groove 1202. This allows the guide post 21 to enter the lower sliding groove 1202 through the straight groove 1203 during the downward movement of the support assembly. Of course, the diameter of the guide post 21 is smaller than the width of the straight groove 1203. Figure 8 As can be seen, the bottom end of the straight groove 1203 connected to the upper sliding groove 1201 is set as an inclined surface 17. With this structure, when the material box is conveyed to the support component by the longitudinal conveying unit 1 and the support component moves upward, the guide column 21 can move downward along the straight groove 1203 and finally transition to the outer circumferential surface of the sleeve 12 through the inclined surface 17, thereby preventing the inner frame plate 4 from rotating during the process of the support component being lifted upward. In actual use, the friction between the limiting ring 19 and the longitudinal support plate 11 can ensure that the inner frame plate 4 remains stable when it is not subjected to external forces.

[0038] Reference Figure 10 As shown, the top and bottom ends of the protrusion 22 located on the outer side of the connecting shaft 13 are inclined extrusion surfaces 2201. During the process of the protrusion 22 entering the sleeve 10, the extrusion surface 2201 can contact the inner wall of the sleeve 10, so that the protrusion 22 can be compressed. When the protrusion 22 is fully inserted into the sleeve 10 and aligned with the strip groove 1001, the protrusion 22 can pop out.

[0039] The above-disclosed examples are merely preferred embodiments of this application, intended to facilitate understanding and implementation by those skilled in the art. However, they cannot be used to limit the scope of this application. Therefore, equivalent variations made within the scope of this application are still within the scope of this application.

Claims

1. A transport tilting device, comprising a transverse conveying unit and a longitudinal conveying unit, wherein a lifting and tilting mechanism is arranged at the intersection of the transverse conveying unit and the longitudinal conveying unit, the lifting and tilting mechanism comprising a base slidably mounted on a slide rail and a support assembly mounted on the base, characterized in that: The support assembly includes a sleeve plate rotatably mounted on a base, an inner frame plate arranged inside the sleeve plate, and a conveying roller mounted on the inner frame plate. The inner frame plate can rotate relative to the sleeve plate. During the process of the lifting unit driving the support component to descend, the inner frame plate can rotate 90°, so that the conveying roller on the inner frame plate can be parallel to the transverse conveying unit, so as to facilitate the material box being led out from the direction of the transverse conveying unit.

2. The tilting device for transportation according to claim 1, characterized in that: A base plate is fixedly installed on the top of the sleeve plate. A baffle and a pressure plate are provided on one side of the base plate. The baffle is fixedly connected to the base plate. The pressure plate can move laterally relative to the base plate to clamp the material box between the pressure plate and the baffle. The pressure plate can also be deflected outward relative to the base plate.

3. A transport tilting device according to claim 2, characterized in that: A sleeve is installed below the inner frame plate and at the center. The sleeve can rotate synchronously with the inner frame plate. An inclined upper sliding groove and a lower sliding groove are opened on the outer circumference of the sleeve. The upper sliding groove and the lower sliding groove are interconnected and symmetrically distributed. A connecting plate is provided below the support component. A guide post that slides with the upper sliding groove and the lower sliding groove is elastically connected to one end of the connecting plate near the sleeve.

4. A transport tilting device according to claim 3, characterized in that: A connecting shaft is arranged below the inner frame plate and at the center position. The connecting shaft is driven to cooperate with the conveying roller. A sleeve is provided on one side of the connecting plate. The sleeve is driven to rotate by an external drive motor. A strip groove is opened on the inner wall of the sleeve. A protrusion that cooperates with the strip groove is elastically connected to the outer circumference of the connecting shaft.

5. A transport tilting device according to claim 2, characterized in that: A slider is slidably mounted on the substrate. The slider has a U-shaped structure. The pressure plate is hinged to the slider, and the hinge is located on the outer side of the pressure plate. The horizontal section of the pressure plate is in contact with the slider. An arc-shaped spring is fixedly provided between the slider and the outer side of the pressure plate.

6. A transport tilting device according to claim 5, characterized in that: The slider is elastically connected to a limiting rod, and the horizontal section of the pressure plate is provided with a limiting hole that cooperates with the limiting rod. A positioning strip is fixedly provided on the limiting rod, and a pressure rod is fixedly installed on the base plate. The pressure rod is generally zigzag-shaped, so that an inclined part is formed on the pressure rod. When the slider moves relative to the base plate toward the baffle, causing the positioning strip to move to the inclined part, the pressure of the inclined part on the positioning strip can cause one end of the limiting rod to be inserted into the limiting hole.

7. A tilting device for transportation according to claim 1, characterized in that: Both the transverse conveying unit and the longitudinal conveying unit are powered roller conveyors.

8. A transport tilting device according to claim 1, characterized in that: A protrusion is fixedly installed on the inner side of the base, and the sleeve plate rests on the protrusion to keep the sleeve plate horizontal.

9. A transport tilting device according to claim 4, characterized in that: The top and bottom of the protrusion located on the outer side of the connecting shaft are inclined extrusion surfaces.

10. A method for overturning a transport overturning device as described in any one of claims 1-9, characterized in that, The process includes the following steps: the material box is conveyed to the support assembly via the longitudinal conveying unit, which drives the support assembly to move upward along the slide rail. When the support assembly is in place, it is driven to rotate so that the material in the material box can be poured out. When the support assembly moves downward to the transverse conveying unit, the inner frame plate rotates 90° to guide the material box out of the transverse conveying unit. When the support assembly moves downward to the initial position, the inner frame plate can rotate 90° in the opposite direction to reset.

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