Sand and gravel conveying device

Abstract

The present invention relates to the technical field of sand and gravel conveying, and specifically discloses a sand and gravel conveying device, comprising a mobile device, a conveyor belt one, a conveyor belt two, an auger assembly, a material shifting mechanism and a driving mechanism, wherein the material shifting mechanism comprises a sliding plate, a flipping member and a plurality of rotating rollers, wherein the sliding plate is slidingly arranged at the end of the conveyor belt one, the flipping member is rotatably arranged on the sliding plate, and the plurality of rotating rollers are arranged on the flipping member along the width direction of the conveyor belt one, and each rotating roller movably penetrates the flipping member so that the rotating roller can rotate around its own axis and can move relative to the flipping member along its own axial direction, and a plurality of spring blocks are arranged on the outer side of the rotating roller, and each spring block is slidably matched with the rotating roller along the radial direction of the rotating roller, and the driving mechanism comprises a rotating assembly, a telescopic assembly and a flipping assembly; the present invention can crush the agglomerated sand and gravel during the material taking process, and separate impurities such as plastic bags mixed in the sand and gravel, so as to ensure the quality of the sand and gravel.

Description

Technical Field

[0001] The invention relates to the technical field of sand and gravel conveying, and in particular to a sand and gravel conveying device. Background Art

[0002] Sand and gravel are an important building material, mainly composed of loose materials such as rock particles. During the construction process, a conveying device is usually used to transport sand and gravel. Specifically, the mobile base driving device at the bottom of the device is moved, and then the auger at the end of the device is used to take the material from the accumulated sand and gravel, and then it is transported upward through the conveyor belt at the rear end of the device, so as to achieve the purpose of automatic material taking and feeding. During the material taking process, as the auger rotates, the sand and gravel at the bottom are gradually transported away, and the sand and gravel on the upper part naturally slides down due to gravity and replenishes to the bottom position of the taken sand and gravel. As the upper sand and gravel continue to slide, the auger assembly can continuously take material from the bottom to achieve continuous operation.

[0003] The patent document with authorization announcement number CN114620417B discloses a stable conveying device for the production of building materials, including a mobile base, a discharge hopper, a telescopic support rod, a conveying main machine, and a motor box. The upper right end of the mobile base is fixed to the lower end of the telescopic support rod. The elastic torsion is applied through the torsion shaft to increase the force of the tooth plate to break the sand and gravel, and prevent the sand and gravel from agglomerating and being difficult to detach from the conveyor belt. The sliding plate slides along the guide rod, and the area between the sliding plate and the telescopic plate is extended to push out the sand and gravel accumulated at the bottom inner side of the bracket to prevent the sand and gravel from being transported back to the bottom again. The linkage plate can swing slightly, and the injection mechanism swings around the fixed axis as the center of the circle to improve the flow effect of the sand and gravel and prevent the sand and gravel from being blocked inside the discharge port.

[0004] Although the above-mentioned conveying device can break up the agglomerated sand and gravel during the conveying process, when taking materials, a bridge phenomenon may be formed above the auger due to the dampness and agglomeration of the sand and gravel, that is, the sand and gravel on the upper part cannot slide down naturally and cannot be smoothly replenished to the bottom position, and landslides may occur after a certain degree, directly covering the auger and causing damage to the device. In addition, most of the sand and gravel are piled in the open air, and some impurities such as plastic bags may be mixed in the sand and gravel for a long time, so that when taking materials later, the plastic bags are easily entangled on the auger, affecting the smooth progress of taking materials. Summary of the invention

[0005] The present invention provides a sand and gravel conveying device, aiming to solve the problem that although the conveying device in the related art can break the agglomerated sand and gravel during the conveying process, when taking the material, a bridging phenomenon may be formed above the auger due to the moisture and agglomeration of the sand and gravel, that is, the sand and gravel on the upper part cannot slide down naturally and cannot be smoothly replenished to the bottom position, and collapses after a certain degree, directly covering the auger and causing damage to the device. In addition, most of the sand and gravel are piled in the open air, and some impurities such as plastic bags may be mixed in the sand and gravel for a long time, so that when taking the material later, the plastic bags are easily entangled on the auger, affecting the smooth taking of the material.

[0006] The sand and gravel conveying device of the present invention comprises a mobile device, a conveyor belt 1, a conveyor belt 2 and an auger assembly, wherein the auger assembly is located at the head end of the conveyor belt 1, and further comprises a material shifting mechanism and a driving mechanism;

[0007] The material-dispensing mechanism comprises a sliding plate, a flipping member and a plurality of rotating rollers. The sliding plate is slidably arranged at the head end of the conveyor belt 1 along the length direction of the conveyor belt 1. The flipping member is rotatably arranged on the sliding plate and is located on the side of the auger assembly away from the conveyor belt 1. The plurality of rotating rollers are arranged on the flipping member along the width direction of the conveyor belt 1. Each rotating roller movably penetrates the flipping member so that the rotating roller can rotate around its own axis and can move along its own axial direction. A plurality of spring blocks are arranged on the outer side of the rotating roller, and each spring block slides and cooperates with the rotating roller along the radial direction of the rotating roller.

[0008] The driving mechanism includes a rotating component, a telescopic component and a flipping component. The rotating component is used to drive the rotating roller to rotate around its own axis. The telescopic component is used to drive the spring block to move along the radial direction of the rotating roller so that the spring block extends outward or retracts into the rotating roller. The flipping component is used to drive the flipping member to rotate relative to the sliding plate and make the rotating roller move along its own axial direction.

[0009] The rotation of the rotating roller can break up the agglomerated sand and gravel, and separate the plastic bags mixed in the sand and gravel, so that the plastic bags are wound on the rotating roller, and then the plastic bags can be separated from the rotating roller, thereby improving the quality of the sand and gravel and preventing the plastic bags from affecting the operation of the auger assembly.

[0010] Preferably, a fixed frame is provided at the head end of conveyor belt 1, the auger assembly is installed at the lower end of the fixed frame, the sliding plate is slidably arranged on the fixed frame, a driving member 1 is provided on the fixed frame, the output end of the driving member 1 is connected to the sliding plate, and is used to drive the sliding plate to move, rods are connected on both sides of the flip member, and the flip member is rotatably connected to the side of the sliding plate away from conveyor belt 1 through the rod, and a mounting hole is provided on the flip member, and a rotating roller is movably arranged in the mounting hole.

[0011] Preferably, the rotating assembly includes a screw, a square rod, a worm, a worm wheel and a limiting structure. The screw is rotatable along the length direction of the conveyor belt and is arranged on a fixed frame and cooperates with the sliding plate thread. The square rod is slidably arranged in the screw and can rotate synchronously with the screw. The worm is rotatably arranged in the flip part. The end of the square rod can extend into the square groove provided at the end of the worm, so that the two rotate synchronously. An elastic part is connected between the square rod and the sliding plate. A shaft sleeve is rotatably provided in the mounting hole. The worm wheel is installed on the outside of the shaft sleeve, and the worm wheel is meshingly connected with the worm. The rotating roller is movably arranged in the shaft sleeve. The limiting structure is arranged between the shaft sleeve and the rotating roller, and can limit the rotating roller so that the rotating roller rotates synchronously with the shaft sleeve.

[0012] Preferably, the limiting structure includes a limiting rod and a driving plate, the limiting rod is arranged in the rotating roller along the radial direction of the rotating roller, and an elastic member 2 for driving the limiting rod to reset is provided between the limiting rod and the rotating roller, a limiting hole for the limiting rod to extend into is provided on the shaft sleeve, the driving plate is arranged in the flipping member along the width direction of the conveyor belt 1, and an elastic member 3 for driving the driving plate to reset is provided between the driving plate and the flipping member, an unlocking rod capable of extending into the limiting hole is provided on the driving plate, the end of the driving plate passes through the flipping member and is connected to a protrusion, the sliding plate can block the protrusion and release the blocking of the protrusion after the flipping member rotates.

[0013] During the movement of the sliding plate, the rotating roller can be rotated by the cooperation of the limiting structure and the rotating assembly. During the flipping of the flipping member, the rotating roller can be moved along its own axis by the cooperation of the limiting assembly and the flipping assembly.

[0014] Preferably, the telescopic assembly includes a driving rod, which is arranged inside the rotating roller and slides along the axial direction of the rotating roller, and the driving rod is provided with a slope 1 that contacts the end of the limit rod, so that when the limit rod is retracted to the inside of the rotating roller, the driving rod can be pushed to slide along the axial direction of the rotating roller, and a groove is provided on the circumferential side of the driving rod, and the groove has a slope 2 on the side facing the axis of the driving rod, and the slope 2 is inclined along the axial direction of the driving rod in a direction away from the axis of the driving rod, one end of the spring block facing the axis of the rotating roller contacts the slope 2, and an elastic member 4 is provided between the spring block and the rotating roller for driving the spring block to reset.

[0015] Preferably, the flipping assembly includes a one-way gear and a one-way tooth plate, the one-way gear is rotatably mounted on the sliding plate and sleeved on the rod, the one-way tooth plate is slidably arranged inside the sliding plate along the length direction of the conveyor belt, and an elastic member five is provided between the one-way tooth plate and the sliding plate for driving the one-way tooth plate to reset, a baffle rod is installed on the fixed frame, and a baffle block is provided at the upper end of the one-way tooth plate, and when the one-way tooth plate slides with the sliding plate, the baffle rod can block the baffle block so that the one-way tooth plate and the sliding plate move relative to each other, and grooves for the sliding of the baffle rod are provided on both sides of the sliding plate.

[0016] Preferably, the flipping assembly also includes a driving shaft rotatably arranged inside the flipping member, and a driving member 2 for driving the driving shaft to rotate. A resistance wheel is provided on the outer side of the driving shaft, and the side wall of the resistance wheel abuts against the side wall of the rotating roller, so as to rub the rotating roller to move along its own axial direction relative to the flipping member.

[0017] Preferably, a cleaning assembly is provided on the fixed frame, and the cleaning assembly includes a scraper rotatably arranged on the fixed frame, and a driving structure for driving the scraper to rotate. A rotating shaft is installed on the fixed frame, and the rotating shaft is rotatably connected to the fixed frame through a torsion spring. One side of the scraper is installed on the rotating shaft, and the other side extends toward the flip member. The scraper is an elastic telescopic structure, so that the length of the scraper can be adapted with the rotation of the rotating shaft. A collecting trough with an open upper end is installed on the fixed frame, and the collecting trough is located on the side of the scraper close to the conveyor belt.

[0018] The plastic bags detached from the rotating roller can be collected into a collecting tank by a cleaning component, thereby realizing automatic collection of the plastic bags.

[0019] Preferably, the driving structure includes a ratchet and a ratchet bar, the ratchet is rotatably mounted on a fixed frame and connected to a rotating shaft, the ratchet bar is disposed on the fixed frame, and an elastic member six is ​​connected between the ratchet bar and the fixed frame, the ratchet bar can mesh with the ratchet, a push rod is connected to the side of the ratchet bar away from the conveyor belt one, an inclined surface three is provided on the push rod, a contact portion is provided on the sliding plate, when the sliding plate slides in a direction close to the conveyor belt one, the contact portion can contact the inclined surface three on the push rod, so that the ratchet bar is disengaged from the ratchet, and the height of the upper end of the sliding plate is higher than the height of the upper end of the flip member.

[0020] During the resetting process of the sliding plate, the cooperation between the sliding plate and the driving structure can delay the flipping of the scraper, thereby preventing the plastic bags above the flipping member from being blocked outside the scraper and affecting the smooth collection of the plastic bags.

[0021] Preferably, the lower end of the collecting tank is densely covered with sieve holes.

[0022] The sand and gravel scraped into the collection trough by the scraper can fall through the sieve holes to the auger assembly for transportation, thus avoiding excessive accumulation of sand and gravel in the collection trough and affecting the collection of plastic bags.

[0023] The beneficial effects of the present invention are:

[0024] 1. The present invention is provided with a material-pickling mechanism, which can drive the rotating roller to rotate through the rotating component during the material-pickup process, so as to crush the agglomerated sand and gravel therein to ensure the quality of the sand and gravel, and at the same time separate the plastic bags mixed in the sand and gravel through the elastic blocks on the rotating roller, so that the plastic bags are wound on the outside of the rotating roller, and then the wound plastic bags are separated from the rotating roller through the cooperation of the flipping component and the telescopic component, so as to avoid the plastic bags strangling the auger component and affecting the normal operation of the device.

[0025] 2. The present invention is provided with a collecting assembly, which can scrape the plastic bags detached from the rotating roller into the collecting trough for collection through the delayed flipping of the scraper during the resetting process of the sliding plate, thereby realizing automatic collection of the plastic bags. In addition, the sand and gravel scraped into the collecting trough will fall from the sieve holes at the lower end of the collecting trough, thereby avoiding excessive accumulation of sand and gravel in the collecting trough and affecting the collection of the plastic bags. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0027] Figure 2 It is a schematic diagram of the material-diverting mechanism of the present invention when it is in an initial position.

[0028] Figure 3 It is a schematic diagram of the material-dispensing mechanism of the present invention when it is in the extreme position.

[0029] Figure 4 It is a cross-sectional schematic diagram when the material-dispensing mechanism of the present invention is in an initial position.

[0030] Figure 5 It is a cross-sectional schematic diagram when the material-dispensing mechanism of the present invention is in an extreme position.

[0031] Figure 6 It is a schematic structural diagram of the rotating assembly of the present invention.

[0032] Figure 7 It is a structural schematic diagram of the limiting structure of the present invention.

[0033] Figure 8 It is a schematic diagram of the structure of the flipping member of the present invention after flipping.

[0034] Fig. 9 It is a structural schematic diagram of the flip assembly of the present invention.

[0035] Fig.10 It is a schematic diagram of the cross-sectional structure of the rotating roller of the present invention.

[0036] Reference numerals:

[0037] 1. Mobile device; 11. Conveyor belt 1; 12. Conveyor belt 2; 13. Fixed frame; 131. Collecting trough; 132. Stop rod; 14. Frame; 15. Motor 1; 16. Auger shaft; 17. Auger blade; 18. Motor 2; 21. Sliding plate; 211. Notch; 212. Contact part; 22. Driving member 1; 23. Screw; 24. Square rod; 241. Elastic member 1; 31. Turning member; 311. Rod member; 312. Mounting hole; 32. Worm; 3 3. Worm gear; 34. Bushing; 341. Limiting hole; 35. Drive plate; 351. Unlocking lever; 352. Bump; 41. Rotating roller; 411. Spring block; 42. Limiting lever; 43. Drive rod; 431. Groove; 44. One-way gear; 45. One-way tooth plate; 451. Stopper; 46. Drive shaft; 461. Interference wheel; 47. Drive member two; 51. Scraper; 52. Rotating shaft; 53. Ratchet; 54. Ratchet bar; 541. Elastic member six; 55. Push rod. DETAILED DESCRIPTION

[0038] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0039] like Figures 1 to 10 As shown, a sand and gravel conveying device of the present invention includes a mobile device 1, a conveyor belt 1 11, a conveyor belt 2 12, an auger assembly, a material shifting mechanism and a driving mechanism.

[0040] When in use, the device is driven to move by the mobile device 1, and then the auger assembly is used to pick up materials from the accumulated sand and gravel, and then the materials are transported by conveyor belt 11 and conveyor belt 2 12 to achieve the purpose of automatic material picking and feeding. During the material picking process, the accumulated sand and gravel can be moved by the material shifting mechanism to break up the lumps formed by the sand and gravel due to moisture, and at the same time, impurities such as plastic bags mixed in the sand and gravel can be separated to ensure the quality of the sand and gravel. The driving mechanism is used to provide driving force for the material shifting mechanism.

[0041] like Figures 1 to 3As shown, the mobile device 1 is a crawler chassis, which can drive the conveying device to walk and turn, has greater propulsion force and better adaptability to road conditions, and a frame 14 is installed on the mobile device 1. Conveyor belt 11 and conveyor belt 2 12 are both obliquely installed on the frame 14, and two motors 15 are installed on the frame 14 for driving conveyor belt 1 11 and conveyor belt 2 12 to reciprocate, respectively. Among them, conveyor belt 11 can slide along the inclined direction to adapt to different material quantities or changes in conveying distances, and conveyor belt 2 12 can turn to change the conveying direction of materials to adapt to different transportation layouts. The auger assembly is located at the head end of conveyor belt 11, and the auger assembly includes an auger shaft 16 rotatably arranged on the frame 14, an auger blade 17 installed on the outside of the auger shaft 16, and a motor 2 18 for driving the auger shaft 16 to rotate.

[0042] The material-dispensing mechanism includes a sliding plate 21, a flipping member 31, and a plurality of rotating rollers 41. The sliding plate 21 is slidably arranged at the head end of the conveyor belt 11 along the length direction of the conveyor belt 11. The flipping member 31 is rotatably arranged on the sliding plate 21 and is located on the side of the auger assembly away from the conveyor belt 11. A plurality of rotating rollers 41 are arranged on the flipping member 31 along the width direction of the conveyor belt 11. Each rotating roller 41 is movable through the flipping member 31, so that the rotating roller 41 can rotate around its own axis and can move along its own axial direction. The outer side of the rotating roller 41 is provided with There are multiple spring blocks 411, each of which is slidably matched with the rotating roller 41 along the radial direction of the rotating roller 41. The driving mechanism includes a rotating component, a telescopic component and a flipping component. The rotating component is used to drive the rotating roller 41 to rotate around its own axis. The telescopic component is used to drive the spring block 411 to move along the radial direction of the rotating roller 41, so that the spring block 411 extends outward or retracts into the rotating roller 41. The flipping component is used to drive the flipping member 31 to rotate relative to the sliding plate 21, and make the rotating roller 41 move relative to the flipping member 31 along its own axis.

[0043] Specifically, Figures 1 to 10As shown, before starting to take materials, the position of the device is adjusted so that the auger assembly and the material-pickling mechanism at the head end of the conveyor belt 11 are moved to the accumulated sand and gravel, and then the auger assembly is used to take materials. In this process, the sliding plate 21 is moved relative to the conveyor belt 11, and the flip member 31 arranged on the sliding plate 21 and the rotating roller 41 arranged on the flip member 31 are driven to move synchronously. During the movement of the rotating roller 41, the elastic block 411 is extended outward by the telescopic assembly, and the rotating roller 41 is rotated around its own axis by the rotating assembly, so that the lumps formed in the sand and gravel are broken, and impurities such as plastic bags mixed in the sand and gravel are wound around the outside of the rotating roller 41, so that the plastic bags are separated from the sand and gravel, and the quality of the sand and gravel is guaranteed. When the sliding plate 21 moves to the limit position, the flipping member 31 is flipped through the flipping assembly, and the rotating roller 41 is flipped up and down. After the flipping is completed, the elastic block 411 is retracted into the rotating roller 41 through the telescopic assembly, and then the rotating roller 41 is moved relative to the flipping member 31 along its own axis through the flipping assembly. In this process, the plastic bag wound on the outside of the rotating roller 41 can be detached from the rotating roller 41 to ensure the normal use of the subsequent rotating roller 41. By setting up a material-diverting mechanism, the agglomerated sand and gravel formed due to moisture can be broken during the material-retrieving process, and the plastic bags mixed in the sand and gravel can be separated to improve the quality of the sand and gravel, and avoid the plastic bags being strangled on the auger assembly and affecting the normal operation of the device.

[0044] In some embodiments, a fixed frame 13 is installed on the frame 14, and the fixed frame 13 is arranged at the head end of the conveyor belt 11. The auger assembly is installed on the fixed frame 13, and the sliding plate 21 is slidably arranged on the fixed frame 13. A driving member 22 is provided on the fixed frame 13, and the output end of the driving member 22 is connected to the sliding plate 21, which is used to drive the sliding plate 21 to move. Rod members 311 are connected to both sides of the flip member 31, and the flip member 31 is rotatably connected to the side of the sliding plate 21 away from the conveyor belt 11 through the rod member 311. A mounting hole 312 is provided on the flip member 31, and a rotating roller 41 is movably arranged in the mounting hole 312.

[0045] In some embodiments, the rotating assembly includes a screw 23, a square rod 24, a worm 32, a worm wheel 33 and a limiting structure. The screw 23 is rotatably arranged on the fixed frame 13 along the length direction of the conveyor belt 11 and is threadedly matched with the sliding plate 21. The square rod 24 is slidably arranged in the screw 23 and can rotate synchronously with the screw 23. The worm 32 is rotatably arranged in the flip member 31. The end of the square rod 24 can extend into the square groove arranged at the end of the worm 32 so that the two rotate synchronously. An elastic member 241 is connected between the square rod 24 and the sliding plate 21. A shaft sleeve 34 is rotatably arranged in the mounting hole 312. The worm wheel 33 is installed on the outer side of the shaft sleeve 34, and the worm wheel 33 is meshed with the worm 32. The rotating roller 41 is movably arranged in the shaft sleeve 34. The limiting structure is arranged between the shaft sleeve 34 and the rotating roller 41, which can limit the rotating roller 41 so that the rotating roller 41 rotates synchronously with the shaft sleeve 34.

[0046] Specifically, Figures 1 to 6 As shown, in the initial state, the sliding plate 21 is located on the fixed frame 13 on one side close to the conveyor belt 11. At this time, the end of the square rod 24 extends into the square groove provided at the end of the worm 32, so that the square rod 24 and the worm 32 can rotate synchronously. The limiting structure limits the rotating roller 41, so that the rotating roller 41 can rotate synchronously with the shaft sleeve 34. At the same time, the spring block 411 extends to the outside of the rotating roller 41 under the action of the telescopic component. When the sliding plate 21 is driven by the driving member 22 to gradually approach the accumulated sand and gravel, the sliding plate 21 can cooperate with the thread of the screw 23 to drive The screw 23 rotates and drives the square rod 24 that slides with the screw 23 to rotate, and drives the worm 32 to rotate synchronously with the square rod 24. At this time, through the cooperation between the worm 32 and the worm wheel 33, the worm wheel 33 can be driven to rotate, and the shaft sleeve 34 can be driven to rotate, thereby driving the rotating roller 41 to rotate with the shaft sleeve 34, breaking the lumps in the sand and gravel, and winding the plastic bags in the sand and gravel on the outside of the rotating roller 41, so as to separate the plastic bags from the sand and gravel, ensure the quality of the sand and gravel, and avoid the influence of the plastic bags on the normal operation of the auger assembly.

[0047] In some embodiments, the limiting structure includes a limiting rod 42 and a driving plate 35. The limiting rod 42 is arranged in the rotating roller 41 so as to slide radially along the rotating roller 41, and an elastic member 2 is arranged between the limiting rod 42 and the rotating roller 41 for driving the limiting rod 42 to reset. A limiting hole 341 is arranged on the shaft sleeve 34 for the limiting rod 42 to extend into. The driving plate 35 is arranged in the flipping member 31 so as to slide along the width direction of the conveyor belt 11, and an elastic member 3 is arranged between the driving plate 35 and the flipping member 31 for driving the driving plate 35 to reset. An unlocking rod 351 is arranged on the driving plate 35 and can extend into the limiting hole 341. The end of the driving plate 35 passes through the flipping member 31 and is connected with a protrusion 352. The sliding plate 21 can block the protrusion 352 and release the blocking of the protrusion 352 after the flipping member 31 rotates.

[0048] Specifically, Figures 1 to 7 As shown, in the initial state, the limiting rod 42 extends to the outside of the rotating roller 41 under the action of the elastic member 2, and extends into the limiting hole 341 on the shaft sleeve 34, limiting the rotating roller 41, so that the rotating roller 41 can rotate synchronously with the shaft sleeve 34. At this time, the protrusion 352 on the driving plate 35 is blocked by the sliding plate 21, so that the unlocking rod 351 on the driving plate 35 is located on the outside of the limiting hole 341, and the elastic member 3 is stretched to store force; when the flip member 31 flips over under the action of the flip assembly After rotating 180 degrees, the protrusion 352 will disengage from the obstruction of the sliding plate 21. At this time, the driving plate 35 will move under the action of the elastic member 3, and drive the unlocking rod 351 to move, so that the unlocking rod 351 is inserted into the limiting hole 341, and pushes the limiting rod 42 out of the limiting hole 341, so that the limiting rod 42 retracts into the rotating roller 41, and the limiting of the rotating roller 41 is released. At this time, the rotating roller 41 can rotate relative to the sleeve 34, or move axially relative to the sleeve 34.

[0049] In some embodiments, the telescopic assembly includes a driving rod 43, which is arranged inside the rotating roller 41 and slides along the axial direction of the rotating roller 41, and the driving rod 43 is provided with a slope 1 that contacts the end of the limiting rod 42, so that when the limiting rod 42 is retracted to the inside of the rotating roller 41, the driving rod 43 can be pushed to slide along the axial direction of the rotating roller 41, and a groove 431 is provided on the circumferential side of the driving rod 43, and the groove 431 has a slope 2 on the side facing the axis of the driving rod 43, and the slope 2 is inclined along the axial direction of the driving rod 43 in a direction away from the axis of the driving rod 43, and one end of the spring block 411 facing the axis of the rotating roller 41 contacts the slope 2, and an elastic member 4 is provided between the spring block 411 and the rotating roller 41 for driving the spring block 411 to reset.

[0050] Specifically, Figure 1 , Figures 4 to 10As shown, in the initial state, the limit rod 42 extends to the outside of the rotating roller 41 and extends into the limit hole 341 on the sleeve 34. At the same time, the spring block 411 extends to the outside of the rotating roller 41 under the action of the second inclined surface. At this time, the rotating roller 41 can be driven to rotate through the rotating component to wind up impurities such as plastic bags mixed in the sand and gravel, so that the plastic bags are wrapped around the outside of the rotating roller 41 to form a ring shape; by moving the driving plate 35, when the unlocking rod 351 provided on the driving plate 35 is inserted into the limit hole 341, the limit rod 42 will be squeezed into the rotating roller 41. As the limit rod 42 gradually retracts into the rotating roller 41, it will push the driving rod 43 to slide along its own axial direction under the action of the first inclined surface. At this time, the spring block 411 will lose the driving force of the second inclined surface and retract into the rotating roller 41 under the action of the elastic member four, so that the wound plastic bag can be removed from the rotating roller 41 later.

[0051] In some embodiments, the flipping assembly includes a one-way gear 44 and a one-way tooth plate 45. The one-way gear 44 is rotatably installed on the sliding plate 21 and is sleeved on the rod 311. The one-way tooth plate 45 is slidably arranged in the sliding plate 21 along the length direction of the conveyor belt 11, and an elastic member 5 is provided between the one-way tooth plate 45 and the sliding plate 21 for driving the one-way tooth plate 45 to reset. A baffle rod 132 is installed on the fixed frame 13, and a baffle block 451 is provided at the upper end of the one-way tooth plate 45. When the one-way tooth plate 45 slides with the sliding plate 21, the baffle rod 132 can block the baffle block 451, so that the one-way tooth plate 45 and the sliding plate 21 move relative to each other, and grooves 211 are provided on both sides of the sliding plate 21 for the baffle rod 132 to slide.

[0052] Specifically, Figures 1 to 9As shown, when the sliding plate 21 is driven to move by the driving member 1 22, the one-way gear 44 provided on the sliding plate 21 is driven to move, and the one-way gear 44 is meshed with the one-way toothed plate 45, so that the one-way toothed plate 45 is driven to move synchronously with the sliding plate 21, until the stopper 451 at the upper end of the one-way toothed plate 45 moves to the stopper rod 132, so that the one-way toothed plate 45 stops moving. At this time, as the sliding plate 21 continues to move, the one-way gear 44 is moved relative to the one-way toothed plate 45, thereby driving the one-way gear 44 to rotate, and driving the rod 3 11 rotates, and at the same time drives the flipping member 31 to flip around the axis of the rod 311, so that the rotating roller 41 flips up and down. During the movement of the sliding plate 21, the square rod 24 will gradually extend from the screw rod 23. When the one-way tooth plate 45 stops moving, the square rod 24 extends to the limit. At this time, as the sliding plate 21 continues to move, the flipping member 31 will continue to move, and the square rod 24 will stop moving due to the length limitation, so that the elastic member 241 is stretched to store force, and the end of the square rod 24 is separated from the square groove provided on the worm 32. When the sliding plate 21 is driven by the driving member 22 to move in the opposite direction for resetting, the flipping member 31 will be driven to move synchronously. At this time, the square rod 24 remains stationary under the action of the elastic member 241 until the stored force of the elastic member 241 is completely released. At this time, the flipping member 31 moves to the square rod 24, so that the end of the square rod 24 is inserted into the square groove provided on the other end of the worm 32 again. At this time, the sliding plate 21 continues to slide, which will push the square rod 24 to move synchronously. The square rod 24 is moved so that the square rod 24 is gradually retracted into the screw 23 for reset. Therefore, during the movement of the sliding plate 21, the square rod 24 is connected to the worm 32 to drive the rotating roller 41 to rotate through the rotating assembly. When the sliding plate 21 is about to move to the extreme position, the square rod 24 is disconnected from the worm 32 to avoid obstruction to the flipping of the flipping member 31. When the sliding plate 21 moves in the opposite direction for reset, the square rod 24 is connected to the worm 32 again, so that the rotating roller 41 rotates again to crush the agglomerated sand and gravel, and separate impurities such as plastic bags.

[0053] In some embodiments, the flipping assembly also includes a driving shaft 46 that is rotatably disposed inside the flipping member 31, and a driving member 47 that is used to drive the driving shaft 46 to rotate. A resistance wheel 461 is provided on the outer side of the driving shaft 46, and the side wall of the resistance wheel 461 abuts against the side wall of the rotating roller 41, so as to rub the rotating roller 41 to move along its own axis relative to the flipping member 31.

[0054] Specifically, Figures 1 to 10As shown, in the initial state, the spring block 411 extends to the outside of the rotating roller 41. At this time, the plastic bag mixed with the sand and gravel can be wound around the outside of the rotating roller 41 through the rotation of the rotating roller 41. After the flip component drives the flip member 31 to flip, the rotating roller 41 will flip up and down, so that the rotating roller 41 is located above the flip member 31. In this process, the spring block 411 can be retracted into the rotating roller 41 through the cooperation of the limiting structure and the telescopic component. At this time, starting the driving member 47 can drive the driving shaft 46 and the contact wheel 461 to rotate, and rub the rotating roller 41 to move along its own axis relative to the flip member 31. In the process of the rotating roller 41 gradually moving downward, the plastic bag surrounding the outside of the rotating roller 41 will stop moving after touching the flip member 31 until the rotating roller The other end of 41 is completely located in the flip member 31, at which time the plastic bag is completely detached from the rotating roller 41, realizing automatic separation of the plastic bag and the rotating roller 41; in addition, in the present embodiment, both ends of the rotating roller 41 are provided with limit rods 42, and the groove 431 provided on the driving rod 43 has two inclined surfaces 2, and the two inclined surfaces 2 are symmetrically arranged, so that before and after the rotating roller 41 is flipped, the relative fixation between the rotating roller 41 and the shaft sleeve 34 can be achieved through the limit rod 42 at the corresponding end, and the extension and retraction of the spring block 411 can be achieved through the corresponding inclined surface 2, so that during the process of the sliding plate 21 moving in the reverse direction for resetting, the flip member 31 does not need to be flipped in the reverse direction for resetting, and the rotation of the rotating roller 41 can be realized, so as to crush the agglomerated sand and gravel in the newly fallen sand and gravel and separate the plastic bag therein.

[0055] In some embodiments, a cleaning assembly is provided on the fixed frame 13, and the cleaning assembly includes a scraper 51 rotatably provided on the fixed frame 13, and a driving structure for driving the scraper 51 to rotate. A rotating shaft 52 is installed on the fixed frame 13, and the rotating shaft 52 is rotatably connected to the fixed frame 13 through a torsion spring. One side of the scraper 51 is installed on the rotating shaft 52, and the other side extends toward the flip member 31. The scraper 51 is an elastic telescopic structure, so that the length of the scraper 51 can be adapted with the rotation of the rotating shaft 52. A collecting trough 131 with an open upper end is installed on the fixed frame 13, and the collecting trough 131 is located on the side of the scraper 51 close to the conveyor belt 11.

[0056] Specifically, Figures 2 to 6 As shown, the end of the scraper 51 close to the rotating shaft 52 is defined as the installation end, and the end close to the flip member 31 is defined as the contact end. After the flip member 31 is flipped by the flip assembly, the rotating roller 41 and the plastic bag can be separated under the cooperation of the contraction assembly and the flip assembly. The separated plastic bags will fall on the flip member 31. During the resetting process of the sliding plate 21, the scraper 51 can be flipped by the driving structure, and the plastic bags on the flip member 31 can be scraped into the collecting groove 131 for collection, thereby realizing automatic collection of the plastic bags.

[0057] In some embodiments, the driving structure includes a ratchet 53 and a ratchet bar 54. The ratchet 53 is rotatably mounted on the fixed frame 13 and is connected to the rotating shaft 52. The ratchet bar 54 is arranged on the fixed frame 13 and is connected to the fixed frame 13 by an elastic member 6 541. The ratchet bar 54 can engage with the ratchet 53. The ratchet bar 54 is connected to a push rod 55 on the side of the ratchet bar 54 away from the conveyor belt 11. The push rod 55 is provided with an inclined surface 3. The sliding plate 21 is provided with a contact portion 212. When the sliding plate 21 slides in a direction close to the conveyor belt 11, the contact portion 212 can contact the inclined surface 3 on the push rod 55, so that the ratchet bar 54 is disengaged from the ratchet 53. The height of the upper end of the sliding plate 21 is higher than the height of the upper end of the flip member 31.

[0058] Specifically, Figures 1 to 6 As shown, in the initial state, the sliding plate 21 is located at one end of the fixed frame 13 close to the conveyor belt 11. At this time, the scraper 51 contacts the upper side of the flip member 31. When the sliding plate 21 is moved by the driving member 22, since the height of the upper end of the sliding plate 21 is higher than the height of the upper end of the flip member 31, after the scraper 51 touches the sliding plate 21, it will be squeezed by the sliding plate 21 and rotated until the contact end of the scraper 51 contacts the upper end of the sliding plate 21. During the rotation of the scraper 51, the rotating shaft 52 will rotate, and the torsion spring will twist to accumulate force, while driving the ratchet 53 to rotate. At this time, the ratchet 53 will slide over the ratchet bar 54 and will not hinder the rotation of the ratchet 53; when the sliding plate 21 is driven by the driving member 22 to move in the opposite direction for reset, the scraper 51 can be prevented from rotating in the opposite direction for reset under the cooperation of the ratchet 53 and the ratchet bar 54, that is, the scraper 51 loses After the sliding plate 21 is pushed, it still remains in the flipped state. When the sliding plate 21 is about to be reset, the flip member 31 is also about to be reset. At this time, the contact portion 212 on the sliding plate 21 will contact the inclined surface three on the push rod 55, and under the guiding action of the inclined surface three, the ratchet bar 54 is pushed to move in the direction away from the ratchet wheel 53, so that the ratchet wheel 53 and the ratchet bar 54 are disengaged. At this time, the shaft 52 will rotate in the opposite direction under the action of the torsion spring to reset, and drive the scraper 51 to flip in the opposite direction to reset. In this process, the length of the scraper 51 will shrink with the rotation of the shaft 52, so that the contact end of the scraper 51 keeps in contact with the upper end of the flip member 31, and the plastic bag is scraped into the collection groove 131. Therefore, in the process of resetting the sliding plate 21, the scraper 51 can be delayed by the driving structure to avoid blocking the plastic bag at the upper end of the flip member 31 on the outer side of the scraper 51, thereby ensuring the smooth collection of the plastic bag.

[0059] like Figures 1 to 3As shown, one end of the sliding plate 21 close to the conveyor belt 11 is defined as the front end, and the other end is defined as the rear end. The upper end of the sliding plate 21 has two inclined surfaces four, and the two inclined surfaces four are symmetrically arranged along the front and rear directions of the sliding plate 21. Each inclined surface four gradually tilts downward from the front end to the rear end, and each inclined surface four gradually tilts downward from the middle of the sliding plate 21 to the outer side of the sliding plate 21, so that during the material taking process, if some sand and gravel fall directly on the upper end of the sliding plate 21, this part of the sand and gravel can slide down along the inclined surface four to avoid accumulation on the sliding plate 21.

[0060] In some embodiments, the lower end of the collecting trough 131 is densely covered with sieve holes. Specifically, when the plastic bag on the upper end of the flip piece 31 is scraped into the collecting trough 131 by the scraper 51, part of the sand and gravel falling on the upper end of the flip piece 31 may be scraped into the collecting trough 131 at the same time. After this part of the sand and gravel falls into the collecting trough 131, it can fall through the sieve holes at the lower end of the collecting trough 131, thereby avoiding excessive accumulation of sand and gravel in the collecting trough 131 and affecting the subsequent collection of plastic bags.

[0061] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A sand and gravel conveying device, comprising a mobile device, a conveyor belt 1, a conveyor belt 2 and an auger assembly, wherein the auger assembly is located at the head end of the conveyor belt 1, and is characterized in that: It also includes a material shifting mechanism and a driving mechanism; The material-dispensing mechanism comprises a sliding plate, a flipping member and a plurality of rotating rollers. The sliding plate is slidably arranged at the head end of the conveyor belt 1 along the length direction of the conveyor belt 1. The flipping member is rotatably arranged on the sliding plate and is located on the side of the auger assembly away from the conveyor belt 1. The plurality of rotating rollers are arranged on the flipping member along the width direction of the conveyor belt 1. Each rotating roller movably penetrates the flipping member so that the rotating roller can rotate around its own axis and can move along its own axial direction. A plurality of spring blocks are arranged on the outer side of the rotating roller, and each spring block slides and cooperates with the rotating roller along the radial direction of the rotating roller. The driving mechanism includes a rotating assembly, a telescopic assembly and a flip assembly. The rotating assembly is used to drive the rotating roller to rotate around its own axis. The telescopic assembly is used to drive the elastic block to move along the radial direction of the rotating roller, so that the elastic block extends outward or retracts into the rotating roller. The flip assembly is used to drive the flip member to rotate relative to the sliding plate and make the rotating roller move along its own axial direction. A fixed frame is provided at the head end of the conveyor belt 1, the auger assembly is installed at the lower end of the fixed frame, the sliding plate is slidably arranged on the fixed frame, a driving member 1 is provided on the fixed frame, the output end of the driving member 1 is connected to the sliding plate, and is used to drive the sliding plate to move, rods are connected to both sides of the flip member, and the flip member is rotatably connected to the side of the sliding plate away from the conveyor belt 1 through the rod, and a mounting hole is provided on the flip member, and a rotating roller is movably arranged in the mounting hole; A cleaning assembly is provided on the fixed frame, and the cleaning assembly includes a scraper rotatably arranged on the fixed frame, and a driving structure for driving the scraper to rotate. A rotating shaft is installed on the fixed frame, and the rotating shaft is rotatably connected to the fixed frame through a torsion spring. One side of the scraper is installed on the rotating shaft, and the other side extends toward the flip member. The scraper is an elastic telescopic structure, so that the length of the scraper can be adapted with the rotation of the rotating shaft. A collecting trough with an upper opening is installed on the fixed frame, and the collecting trough is located on the side of the scraper close to the conveyor belt.

2. A sand and gravel conveying device according to claim 1, characterized in that: The rotating assembly includes a screw, a square rod, a worm, a worm wheel and a limiting structure. The screw is rotatable along the length direction of the conveyor belt and is arranged on a fixed frame and cooperates with the sliding plate thread. The square rod is slidably arranged in the screw and can rotate synchronously with the screw. The worm is rotatably arranged in the flip part. The end of the square rod can extend into the square groove arranged at the end of the worm, so that the two rotate synchronously. An elastic part is connected between the square rod and the sliding plate. A shaft sleeve is rotatably arranged in the mounting hole. The worm wheel is installed on the outside of the shaft sleeve, and the worm wheel is meshed with the worm. The rotating roller is movably arranged in the shaft sleeve. The limiting structure is arranged between the shaft sleeve and the rotating roller, which can limit the rotating roller so that the rotating roller rotates synchronously with the shaft sleeve.

3. A sand and gravel conveying device according to claim 2, characterized in that: The limiting structure includes a limiting rod and a driving plate. The limiting rod is arranged in the rotating roller for radial sliding along the rotating roller, and an elastic member 2 for driving the limiting rod to reset is arranged between the limiting rod and the rotating roller. A limiting hole for the limiting rod to extend into is arranged on the shaft sleeve. The driving plate is arranged in the flipping member for sliding along the width direction of the conveyor belt, and an elastic member 3 for driving the driving plate to reset is arranged between the driving plate and the flipping member. An unlocking rod capable of extending into the limiting hole is arranged on the driving plate. The end of the driving plate passes through the flipping member and is connected with a protrusion. The sliding plate can block the protrusion and release the blocking of the protrusion after the flipping member rotates.

4. A sand and gravel conveying device according to claim 3, characterized in that: The telescopic assembly includes a driving rod, which is arranged inside the rotating roller and slides along the axial direction of the rotating roller. The driving rod is provided with an inclined surface 1 that contacts the end of the limiting rod, so that when the limiting rod is retracted to the inside of the rotating roller, the driving rod can be pushed to slide along the axial direction of the rotating roller. A groove is provided on the circumferential side of the driving rod, and the groove has an inclined surface 2 on the side facing the axis of the driving rod, and the inclined surface 2 is inclined along the axial direction of the driving rod in a direction away from the axis of the driving rod. One end of the spring block facing the axis of the rotating roller contacts the inclined surface 2, and an elastic member 4 is provided between the spring block and the rotating roller for driving the spring block to reset.

5. The sand and gravel conveying device according to claim 1, characterized in that: The flipping assembly includes a one-way gear and a one-way tooth plate. The one-way gear is rotatably mounted on the sliding plate and sleeved on the rod. The one-way tooth plate is slidably arranged inside the sliding plate along the length direction of the conveyor belt, and an elastic member five is provided between the one-way tooth plate and the sliding plate for driving the one-way tooth plate to reset. A baffle rod is installed on the fixed frame, and a baffle block is provided at the upper end of the one-way tooth plate. When the one-way tooth plate slides with the sliding plate, the baffle rod can block the baffle block so that the one-way tooth plate and the sliding plate move relative to each other. Notches for the sliding of the baffle rod are provided on both sides of the sliding plate.

6. A sand and gravel conveying device according to claim 5, characterized in that: The flipping assembly also includes a driving shaft rotatably arranged inside the flipping member, and a second driving member for driving the driving shaft to rotate. A resistance wheel is provided on the outer side of the driving shaft, and the side wall of the resistance wheel abuts against the side wall of the rotating roller, which is used to rub the rotating roller to move along its own axial direction relative to the flipping member.

7. The sand and gravel conveying device according to claim 1, characterized in that: The driving structure includes a ratchet and a ratchet bar. The ratchet is rotatably mounted on a fixed frame and is connected to a rotating shaft. The ratchet bar is arranged on the fixed frame and is connected to the fixed frame by an elastic member six. The ratchet bar can mesh with the ratchet. A push rod is connected to the side of the ratchet bar away from the conveyor belt one. The push rod is provided with an inclined surface three. A contact portion is provided on the sliding plate. When the sliding plate slides in a direction close to the conveyor belt one, the contact portion can contact with the inclined surface three on the push rod, so that the ratchet bar is disengaged from the ratchet. The height of the upper end of the sliding plate is higher than the height of the upper end of the flip member.

8. The sand and gravel conveying device according to claim 1, characterized in that: The lower end of the collecting tank is densely covered with sieve holes.

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