Asphalt concrete production process and equipment

Abstract

The invention relates to the technical field of asphalt concrete production, and discloses an asphalt concrete production technology and equipment which comprises a shell, two telescopic supporting legs are fixedly connected to the two sides of the shell correspondingly, fixing plates are fixedly connected to the telescopic supporting legs correspondingly, springs are fixedly connected to the tops of the fixing plates, and mounting plates are fixedly connected to the tops of the springs; a mounting frame is fixedly connected between the mounting plates, a screen is fixedly connected into the mounting frame, corrugated holes are formed in the two sides of the screen, a mounting rod is slidably connected between the corrugated holes in the two sides of the mounting frame, a limiting rod is slidably connected to the bottom of the mounting rod, and a plurality of evenly-distributed separation rods are fixedly connected to the bottom of the limiting rod. According to the asphalt concrete production equipment, the mounting rods are matched with the corrugated holes, and the staggered wave-shaped guide surfaces of the two guide plates are utilized, so that the auxiliary performance of the equipment during screening work after asphalt concrete is crushed is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of asphalt concrete production, and in particular to an asphalt concrete production process and equipment. Background Art

[0002] Asphalt concrete, commonly known as asphalt concrete, is an important building material widely used in roads, airports, parking lots, docks and squares. Asphalt concrete is widely used in various road constructions due to its excellent durability, fast construction speed and low maintenance cost. Through a series of processing steps, waste asphalt concrete can be reused in new road construction. In the process of producing and recycling asphalt concrete, the asphalt concrete raw materials need to be crushed first, then the crushed asphalt concrete raw materials are screened, and the large pieces of asphalt concrete raw materials are further crushed; However, after the asphalt concrete is crushed, it is mostly screened through a single screen, which causes large pieces of asphalt concrete to easily clog the screen holes of the screen, affecting the screening of small pieces of asphalt concrete fragments. For this reason, we propose an asphalt concrete production process and equipment. Summary of the invention

[0003] The purpose of the present invention is to provide an asphalt concrete production process and equipment to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an asphalt concrete production equipment, comprising a shell, two crushing rollers are rotatably connected in the shell, two mutually meshing gears are rotatably connected to one side of the shell, each of the gears is fixedly docked with the crushing roller shaft on the same side, a discharge pipe is fixedly connected to the bottom of the shell, two telescopic legs are fixedly connected to both sides of the shell, a fixing plate is fixedly connected to the telescopic legs, a spring is fixedly connected to the top of the fixing plate, a mounting plate is fixedly connected to the top of the spring, a mounting frame is fixedly connected between the mounting plates, a screen is fixedly connected in the mounting frame, and the screen is located directly below the discharge pipe, corrugated holes are opened on both sides of the mounting frame, guide plates located below the corrugated holes are fixedly connected to the inner walls of both sides of the mounting frame, and mounting frames are fixedly connected to the outer walls of both sides of the discharge pipe close to the corrugated holes; A mounting rod is slidably connected between the corrugated holes on both sides of the mounting frame, the bottom of the mounting rod is slidably connected to a limiting rod, the bottom of the limiting rod is fixedly connected to a plurality of evenly distributed partitioning rods, both ends of the bottom of the limiting rod are fixedly connected to guide rods, both ends of the mounting rod are fixedly connected to a transmission frame, and the end of the transmission frame away from the mounting rod is slidably connected to the mounting frame on the same side, the gears are fixedly connected to a traction rope, and the end of the traction rope away from the gear is fixedly docked with the transmission frame on the same side.

[0005] Preferably, a wavy guide surface is provided on one side of the guide plate close to the guide rod, the guide surfaces of the two guide plates are staggered with each other, and the guide rods are in contact with the guide plates on the same side thereof and are slidably connected thereto.

[0006] Preferably, two limit frames are fixedly connected to one side of the discharge pipe close to the gear, and the limit frames are fixedly connected to the limiting rings on the side of the traction rope on the same side. The traction ropes are located in the limiting rings on the same side and are slidably connected to the limiting rings.

[0007] Preferably, a limiting hole is provided on the mounting frame, the end of the transmission frame is located in the limiting hole, a screw rod is rotatably connected in the limiting hole, and the screw rod is threadedly connected to the transmission frame on the same side thereof.

[0008] Preferably, a fixing frame is fixedly connected to a side of the discharge pipe away from the gear, and mounting boxes are fixedly connected to both ends of the fixing frame. A mounting cavity is formed on a side of the mounting box close to the mounting frame.

[0009] Preferably, a shaft is rotatably connected in the installation cavity, the shaft is fixedly connected to one end of the screw rod on the same side thereof, and a torsion spring is fixedly connected between the shaft and the inner wall of the installation cavity.

[0010] Preferably, a sliding groove is provided at the bottom of the mounting rod, and the limiting rod is located in the sliding groove and is slidably connected to the inner wall of the sliding groove.

[0011] Preferably, a telescopic rod is fixedly connected between the fixing plate and the mounting plate, and the springs are all sleeved outside the telescopic rod on the same side thereof.

[0012] Preferably, a motor is fixedly connected to a side of the housing away from the gear, an output end of the motor is fixedly connected to an end of any one of the crushing rollers, and a feed hopper is fixedly connected to the top of the housing.

[0013] An asphalt concrete production process specifically comprises the following steps: S1: First, put the asphalt concrete raw materials into the shell through the feed hopper, and then start the motor to drive the crushing roller connected to it to rotate. During the rotation of the crushing roller, the gear connected to it can be driven to rotate, and when the gear rotates, it will drive another gear meshing with it to rotate, so that the two crushing rollers rotate in opposite directions. At this time, the asphalt concrete raw materials in the shell can be crushed by using the cooperation of the two crushing rollers; S2: After being crushed, the asphalt concrete raw materials will fall onto the screen through the discharge pipe. During the rotation of the gear, the transmission frame can be pulled by the traction rope. During this process, the traction rope can pull the transmission frame toward the gear. During this process, the transmission frame can drive the lead screw to rotate. During the rotation of the lead screw, the torsion spring can be tightened by the shaft. As the gear continues to rotate, when one end of the traction rope moves toward the bottom of the shell, the pulling force of the traction rope on the transmission frame gradually decreases. At this time, the torsion spring begins to rebound, driving the lead screw to rotate in the opposite direction. At this time, the rotating lead screw will drive the transmission frame to move toward one side of the motor, thereby completing the back and forth movement of the transmission frame; S3: When the mounting rod moves along the corrugated hole, the force generated by the movement of the mounting rod can match the shape of the corrugated hole to make the screen shake up and down continuously, and the screen can be assisted by the spring to shake up and down. At this time, the asphalt concrete falling on it can be screened by the screen shaking up and down; S4: During the movement of the installation rod, the guide rods at both ends of the bottom of the limit rod will slide in contact with the guide surfaces of the guide plates on the same side. At this time, the guide surfaces on the two offset guide plates cooperate with the guide rods to enable the limit rod to move back and forth along the slide groove. During this process, the partition rod that moves with the limit rod can move the asphalt concrete fragments on the screen, so that the crushed asphalt concrete can be screened more thoroughly. After the asphalt concrete raw materials are crushed, the larger pieces of asphalt concrete raw materials remaining on the screen are put back into the outer shell for secondary crushing.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention cooperates with the corrugated hole through the installation rod. When the installation rod moves, the installation frame can be shaken up and down. At this time, the screen shakes with the installation frame, and the shaking screen can be used to screen the crushed asphalt concrete raw materials. At the same time, the wave-shaped guide surfaces of the two guide plates can be matched with the two guide rods, so that when the installation rod moves, the limit rod drives the separation rod to move back and forth along the slide groove, and the asphalt concrete raw materials on the screen are moved, so that large pieces of asphalt concrete raw materials are displaced, thereby freeing up screening space for small pieces of asphalt concrete, effectively improving the auxiliary function of the device in screening the asphalt concrete after it is crushed. The present invention drives a crushing roller to rotate by a motor, and uses two mutually meshing gears to drive another crushing roller to rotate, thereby crushing asphalt concrete. In addition, the rotating gear cooperates with a traction rope to control the movement of a mounting rod during the crushing of the asphalt concrete, thereby screening the crushed asphalt concrete. When the device is crushing the asphalt concrete, it can simultaneously screen the crushed asphalt concrete on the screen, thereby effectively improving the working efficiency of the device for asphalt concrete production. According to the present invention, after the traction rope pulls the transmission frame to one end of the mounting frame close to the gear, the transmission frame can be used to rotate the lead screw and tighten the torsion spring. As the gear continues to rotate, the pulling force of the traction rope on the transmission frame will gradually decrease. At this time, the rebound force of the torsion spring is used to drive the lead screw to rotate in the opposite direction, so that the transmission frame can move toward its original position. By cooperating with the gear and the traction rope, the transmission frame can move back and forth along the mounting frame, and the asphalt concrete fragments on the screen can be repeatedly and continuously screened and moved, thereby further improving the auxiliary function of the device for asphalt concrete production. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall bottom structure of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the housing of the present invention; Figure 4 This is a schematic diagram of the installation frame structure of the present invention; Figure 5 This is a schematic diagram of the structure of the discharge pipe and its connecting parts of the present invention; Figure 6 This is a schematic diagram of the mounting frame structure of the present invention; Figure 7 It is a schematic diagram of the structure of the fixing frame of the present invention; Figure 8 This is a schematic diagram of the mounting rod structure of the present invention; Fig. 9 It is a schematic diagram of the guide plate structure of the present invention; Fig.10 For the present invention Figure 6 A schematic diagram of the enlarged structure of area A shown; Fig.11 For the present invention Figure 7 The enlarged structural diagram of area B is shown; Fig.12 For the present invention Figure 8 Schematic diagram of the enlarged structure of area C is shown.

[0016] In the figure: 1. shell; 11. crushing roller; 12. motor; 13. gear; 14. feed hopper; 15. discharge pipe; 16. telescopic support leg; 2. fixing plate; 21. spring; 22. mounting plate; 3. mounting frame; 31. screen; 32. corrugated hole; 33. guide plate; 34. guide surface; 4. mounting frame; 41. limiting hole; 42. screw rod; 5. fixing frame; 51. mounting box; 52. mounting cavity; 53. shaft rod; 54. torsion spring; 6. mounting rod; 61. slide groove; 62. limiting rod; 63. partition rod; 64. guide rod; 65. transmission frame; 7. traction rope; 71. limiting frame; 72. limiting ring. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-12 The present invention provides a technical solution: an asphalt concrete production equipment, including a shell 1, two crushing rollers 11 are rotatably connected in the shell 1, two mutually meshing gears 13 are rotatably connected to one side of the shell 1, each gear 13 is fixedly docked with the rotating shaft of the crushing roller 11 on the same side, a discharge pipe 15 is fixedly connected to the bottom of the shell 1, two telescopic legs 16 are fixedly connected on both sides of the shell 1, the telescopic legs 16 are composed of hydraulic cylinders, and the height of the shell 1 can be adjusted by control, a motor 12 is fixedly connected to the side of the shell 1 away from the gear 13, the output end of the motor 12 is fixedly docked with the end of any one of the crushing rollers 11, and a feed hopper 14 is fixedly connected to the top of the shell 1.

[0019] Furthermore, when the asphalt concrete is crushed, the asphalt concrete raw materials are placed into the outer shell 1 through the feed hopper 14, and then the motor 12 is started. The motor 12 drives the crushing roller 11 connected thereto to rotate. During the rotation of the crushing roller 11, the gear 13 connected thereto can be driven to rotate. When the gear 13 rotates, it will drive another gear 13 meshing therewith to rotate, and the driven gear 13 drives the crushing roller 11 connected thereto to rotate. At this time, the two crushing rollers 11 rotate in opposite directions, so that the asphalt concrete raw materials in the outer shell 1 can be crushed and crushed. After being crushed, the asphalt concrete raw materials will follow the rotating crushing roller 11 into the discharge pipe 15 and be discharged through the discharge pipe 15.

[0020] Combined with Figure 1 , Figure 2 and Figure 4As shown, the telescopic legs 16 are fixedly connected with a fixed plate 2, the top of the fixed plate 2 is fixedly connected with a spring 21, the top of the spring 21 is fixedly connected with a mounting plate 22, a telescopic rod is fixedly connected between the fixed plate 2 and the mounting plate 22, and the springs 21 are sleeved outside the telescopic rod on the same side thereof, the spring 21 is limited by the telescopic rod, and the spring 21 is limited in the horizontal direction without hindering the extension and contraction of the spring 21 to prevent the spring 21 from tilting, a mounting frame 3 is fixedly connected between the mounting plates 22, a screen 31 is fixedly connected inside the mounting frame 3, and the screen 31 is located directly below the discharge pipe 15.

[0021] Furthermore, when the mounting frame 3 and the screen 31 descend, the mounting frame 3 can squeeze the spring 21 through the mounting plate 22 to shrink it, and when the mounting frame 3 rises, the squeezing force of the mounting frame 3 on the spring 21 disappears, and the spring 21 starts to rebound. The rebound force of the spring 21 can be used to increase the thrust received by the mounting frame 3 when it rises, thereby improving the efficiency of the mounting frame 3 when it is raised. The spring 21 can be limited by the telescopic rod, and the mounting frame 3 can also be limited, so that the mounting frame 3 can only swing up and down.

[0022] Combined with Figure 1 , Figure 4 , Figure 5 , Figure 8 , Fig. 9 and Fig.10 As shown, both sides of the mounting frame 3 are provided with corrugated holes 32, and the inner walls on both sides of the mounting frame 3 are fixedly connected with guide plates 33 located below the corrugated holes 32, and the mounting rods 6 are slidably connected between the corrugated holes 32 on both sides of the mounting frame 3, and the corrugated holes 32 are wavy long holes, and the mounting rods 6 are located in the corrugated holes 32. During the movement of the mounting rods 6, the inner walls of the corrugated holes 32 can be continuously squeezed, so that the mounting frame 3 and the screen 31 are shaken up and down at a high frequency, thereby completing the screening of asphalt concrete fragments, and the bottom of the mounting rods 6 is slidably connected to the limit rods 62, and the bottom of the mounting rods 6 is provided with a slide groove 61, the limiting rod 62 is located in the slide groove 61 and is slidably connected to the inner wall of the slide groove 61, the bottom of the limiting rod 62 is fixedly connected to a plurality of evenly distributed dividing rods 63, both ends of the bottom of the limiting rod 62 are fixedly connected to guide rods 64, both ends of the mounting rod 6 are fixedly connected to transmission frames 65, and the ends of the transmission frames 65 away from the mounting rod 6 are slidably connected to the mounting frame 4 on the same side thereof, and a wavy guide surface 34 is provided on the side of the guide plate 33 close to the guide rod 64, and the guide surfaces 34 of the two guide plates 33 are staggered with each other, and the guide rods 64 are in contact with the guide plate 33 on the same side thereof and are slidably connected thereto.

[0023] Furthermore, during the movement of the mounting rod 6, the guide rod 64 is limited by the mounting frame 4, so that the mounting rod 6 is always on the same horizontal plane during the movement. Therefore, during the movement of the mounting rod 6, the inner wall of the corrugated hole 32 can be continuously and staggeredly squeezed, so that the mounting frame 3 and the screen 31 move up and down at a high frequency, thereby completing the screening work. While the mounting rod 6 is moving, the guide surfaces 34 on the guide plates 33 that contact the two guide rods 64 are staggered with each other. Therefore, the guide surfaces 34 of the two guide plates 33 can be used to cooperate with the two guide rods 64 to move the limiting rod 62 back and forth, thereby driving the dividing rod 63 to move back and forth. At this time, the dividing rod 63 can move the asphalt concrete fragments on the screen 31 to make them more evenly distributed on the screen 31, thereby improving the screening efficiency of the screen 31 for asphalt concrete.

[0024] Combined with Figure 2 , Figure 5 , Figure 6 , Figure 7 , Fig.10 and Fig.11 As shown, the outer walls of the discharge pipe 15 on both sides close to the corrugated hole 32 are fixedly connected with the mounting frame 4, a limiting hole 41 is provided on the mounting frame 4, the end of the transmission frame 65 is located in the limiting hole 41, a screw rod 42 is rotatably connected in the limiting hole 41, the screw rod 42 is threadedly connected with the transmission frame 65 on the same side thereof, the discharge pipe 15 is fixedly connected with a fixing frame 5 on the side away from the gear 13, both ends of the fixing frame 5 are fixedly connected with mounting boxes 51, a mounting cavity 52 is provided on the side of the mounting box 51 close to the mounting frame 4, a shaft rod 53 is rotatably connected in the mounting cavity 52, the shaft rod 53 is fixedly docked with one end of the screw rod 42 on the same side thereof, and a torsion spring 54 is fixedly connected between the shaft rod 53 and the inner wall of the mounting cavity 52.

[0025] Furthermore, when the transmission frame 65 moves along the mounting frame 4 toward the gear 13, the transmission frame 65 is moved due to the traction of external force. The force generated during the movement will drive the screw rod 42 to rotate. At this time, the screw rod 42 drives the torsion spring 54 to tighten through the shaft rod 53. When the traction force on the transmission frame 65 disappears, the torsion spring 54 begins to rebound and drives the screw rod 42 to rotate in the opposite direction through the shaft rod 53. At this time, the screw rod 42 rotating in the opposite direction can drive the transmission frame 65 to move along the mounting frame 4 toward the direction of the motor 12, thereby completing the back and forth movement of the mounting rod 6.

[0026] Combined with Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 7As shown, the gear 13 is fixedly connected with a traction rope 7, and the end of the traction rope 7 away from the gear 13 is fixedly docked with the transmission frame 65 on the same side thereof, and the side of the discharge pipe 15 close to the gear 13 is fixedly connected with two limit frames 71, and the side of the limit frame 71 close to the traction rope 7 on the same side thereof is fixedly connected with a limit ring 72, and the traction rope 7 is located in the limit ring 72 on the same side thereof and is slidably connected with the limit ring 72.

[0027] Furthermore, when the gear 13 rotates, when one end of the traction rope 7 rotates upward following the gear 13, the traction rope 7 can pull the transmission frame 65, so that the transmission frame 65 moves along the mounting frame 4 toward the gear 13. When one end of the traction rope 7 rotates downward following the gear 13, the pulling force of the traction rope 7 on the transmission frame 65 gradually disappears. The transmission frame 65 can be driven to move along the mounting frame 4 toward the direction of the motor 12 by using the reverse rotating screw rod 42, thereby completing the operation of moving the transmission frame 65 back and forth. The traction rope 7 can be limited by using the cooperation of the limit frame 71 and the limit ring 72, while ensuring that the middle section of the traction rope 7 will not contact the gear 13, to avoid the problem that the traction rope 7 is easily rolled into between the gears 13 when the gear 13 rotates, causing damage to both the traction rope 7 and the gear 13.

[0028] An asphalt concrete production process specifically comprises the following steps: S1: First, put the asphalt concrete raw material into the shell 1 through the feed hopper 14, and then start the motor 12 to drive the crushing roller 11 connected thereto to rotate. During the rotation of the crushing roller 11, the gear 13 connected thereto can be driven to rotate, and when the gear 13 rotates, it will drive another gear 13 meshing therewith to rotate, so that the two crushing rollers 11 rotate in opposite directions. At this time, the asphalt concrete raw material in the shell 1 can be crushed by the cooperation of the two crushing rollers 11; S2: After being crushed, the asphalt concrete raw materials will fall onto the screen 31 through the discharge pipe 15. During the rotation of the gear 13, the transmission frame 65 can be pulled by the traction rope 7. During this process, the traction rope 7 can pull the transmission frame 65 toward the gear 13. During this process, the transmission frame 65 can drive the screw rod 42 to rotate. During the rotation of the screw rod 42, the torsion spring 54 can be tightened by the shaft 53. As the gear 13 continues to rotate, when one end of the traction rope 7 moves toward the bottom of the housing 1, the pulling force of the traction rope 7 on the transmission frame 65 gradually decreases. At this time, the torsion spring 54 begins to rebound, driving the screw rod 42 to rotate in the opposite direction. At this time, the rotating screw rod 42 will drive the transmission frame 65 to move toward the side of the motor 12, thereby completing the back and forth movement operation of the transmission frame 65. S3: When the mounting rod 6 moves along the corrugated hole 32, the force generated by the movement of the mounting rod 6 can match the shape of the corrugated hole 32 to make the screen 31 shake up and down continuously, and the spring 21 assists the screen 31 to shake up and down. At this time, the asphalt concrete falling on the screen 31 can be screened by the screen 31 shaking up and down; S4: During the movement of the installation rod 6, the guide rods 64 at both ends of the bottom of the limit rod 62 will slide in contact with the guide surface 34 of the guide plate 33 on the same side. At this time, the guide surfaces 34 on the two offset guide plates 33 cooperate with the guide rod 64, so that the limit rod 62 can move back and forth along the slide groove 61. During this process, the partition rod 63 that moves with the limit rod 62 can move the asphalt concrete fragments on the screen 31, so that the crushed asphalt concrete can be screened more thoroughly. After the asphalt concrete raw materials are crushed, the larger pieces of asphalt concrete raw materials remaining on the screen 31 are put back into the outer shell 1 for secondary crushing.

[0029] Working principle: first install the device at the designated position, then power on the device, then put the asphalt concrete raw material into the shell 1 through the feed hopper 14, then start the motor 12 to drive the crushing roller 11 connected thereto to rotate, and the crushing roller 11 can drive the gear 13 connected thereto to rotate during the rotation process, and the gear 13 will drive another gear 13 meshing therewith to rotate when rotating, so that the two crushing rollers 11 rotate in opposite directions, and at this time, the asphalt concrete raw material in the shell 1 can be crushed by using the cooperation of the two crushing rollers 11; After being crushed, the asphalt concrete raw materials will fall onto the screen 31 through the discharge pipe 15. During the rotation of the gear 13, the transmission frame 65 can be pulled by the traction rope 7. During this process, the traction rope 7 can pull the transmission frame 65 toward the gear 13. During this process, the transmission frame 65 can drive the screw rod 42 to rotate. During the rotation of the screw rod 42, the torsion spring 54 can be tightened by the shaft rod 53. As the gear 13 continues to rotate, when one end of the traction rope 7 moves toward the bottom of the housing 1, the pulling force of the traction rope 7 on the transmission frame 65 gradually decreases. At this time, the torsion spring 54 begins to rebound, driving the screw rod 42 to rotate in the opposite direction. At this time, the rotating screw rod 42 will drive the transmission frame 65 to move toward the side of the motor 12, thereby completing the back and forth movement operation of the transmission frame 65. During the movement of the mounting rod 6, the transmission frame 65 is limited by the mounting frame 4, so that the mounting rod 6 is always on the same horizontal plane during movement. Therefore, during the movement of the mounting rod 6, the inner wall of the corrugated hole 32 can be continuously and staggeredly squeezed, so that the mounting frame 3 and the screen 31 can move up and down at a high frequency, thereby completing the screening work. While the mounting rod 6 is moving, the guide surfaces 34 on the guide plates 33 that contact the two guide rods 64 are staggered with each other. Therefore, the guide surfaces 34 of the two guide plates 33 can be used to cooperate with the two guide rods 64 to make the limiting rod 62 move back and forth, thereby driving the dividing rod 63 to move back and forth. At this time, the dividing rod 63 can move the asphalt concrete fragments on the screen 31 to make them more evenly distributed on the screen 31. After screening, the larger pieces of asphalt concrete remaining on the screen 31 are put back into the outer shell 1 for secondary crushing.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An asphalt concrete production device, comprising a housing (1), wherein two crushing rollers (11) are rotatably connected inside the housing (1), and two mutually meshing gears (13) are rotatably connected to one side of the housing (1), and each of the gears (13) is fixedly connected to the rotating shaft of the crushing roller (11) on the same side thereof, a discharge pipe (15) is fixedly connected to the bottom of the housing (1), and two telescopic legs (16) are fixedly connected to both sides of the housing (1), characterized in that: The telescopic legs (16) are fixedly connected to a fixing plate (2), the top of the fixing plate (2) is fixedly connected to a spring (21), the top of the spring (21) is fixedly connected to a mounting plate (22), a mounting frame (3) is fixedly connected between the mounting plates (22), a screen (31) is fixedly connected inside the mounting frame (3), and the screen (31) is located directly below the discharge pipe (15), both sides of the mounting frame (3) are provided with corrugated holes (32), the inner walls of both sides of the mounting frame (3) are fixedly connected to guide plates (33) located below the corrugated holes (32), and both sides of the outer walls of the discharge pipe (15) close to the corrugated holes (32) are fixedly connected to mounting frames (4); A mounting rod (6) is slidably connected between the corrugated holes (32) on both sides of the mounting frame (3); the bottom of the mounting rod (6) is slidably connected to a limit rod (62); the bottom of the limit rod (62) is fixedly connected to a plurality of evenly distributed partition rods (63); both ends of the bottom of the limit rod (62) are fixedly connected to guide rods (64); both ends of the mounting rod (6) are fixedly connected to a transmission frame (65); one end of the transmission frame (65) away from the mounting rod (6) is slidably connected to the mounting frame (4) on the same side; and a traction rope (7) is fixedly connected to the gear (13); one end of the traction rope (7) away from the gear (13) is fixedly connected to the transmission frame (65) on the same side.

2. The asphalt concrete production equipment according to claim 1, characterized in that: A wave-shaped guide surface (34) is provided on one side of the guide plate (33) close to the guide rod (64), the guide surfaces (34) of the two guide plates (33) are arranged offset from each other, and the guide rods (64) are in contact with the guide plate (33) on the same side thereof and are slidably connected thereto.

3. The asphalt concrete production equipment according to claim 2, characterized in that: Two limit frames (71) are fixedly connected to one side of the discharge pipe (15) close to the gear (13), and a limit ring (72) is fixedly connected to one side of the limit frame (71) close to the traction rope (7) on the same side. The traction rope (7) is located in the limit ring (72) on the same side and is slidably connected to the limit ring (72).

4. The asphalt concrete production equipment according to claim 3, characterized in that: A limiting hole (41) is provided on the mounting frame (4), an end of the transmission frame (65) is located in the limiting hole (41), a screw rod (42) is rotatably connected in the limiting hole (41), and the screw rod (42) is threadedly connected to the transmission frame (65) on the same side thereof.

5. The asphalt concrete production equipment according to claim 4, characterized in that: A fixing frame (5) is fixedly connected to the side of the discharge pipe (15) away from the gear (13), and both ends of the fixing frame (5) are fixedly connected to mounting boxes (51), and a mounting cavity (52) is provided on a side of the mounting box (51) close to the mounting frame (4).

6. The asphalt concrete production equipment according to claim 5, characterized in that: A shaft rod (53) is rotatably connected in the installation cavity (52), and each of the shaft rods (53) is fixedly connected to one end of the screw rod (42) on the same side thereof. A torsion spring (54) is fixedly connected between the shaft rod (53) and the inner wall of the installation cavity (52).

7. The asphalt concrete production equipment according to claim 6, characterized in that: A sliding groove (61) is provided at the bottom of the mounting rod (6), and the limiting rod (62) is located in the sliding groove (61) and is slidably connected to the inner wall of the sliding groove (61).

8. The asphalt concrete production equipment according to claim 7, characterized in that: A telescopic rod is fixedly connected between the fixing plate (2) and the mounting plate (22), and the springs (21) are sleeved outside the telescopic rod on the same side thereof.

9. The asphalt concrete production equipment according to claim 8, characterized in that: A motor (12) is fixedly connected to the side of the housing (1) away from the gear (13); an output end of the motor (12) is fixedly connected to the end of any one of the crushing rollers (11); and a feed hopper (14) is fixedly connected to the top of the housing (1).

10. The asphalt concrete production process according to claim 9, characterized in that: The specific steps include: S1: First, asphalt concrete raw materials are placed into the housing (1) through the feed hopper (14), and then the motor (12) is started to drive the crushing roller (11) connected thereto to rotate. During the rotation of the crushing roller (11), the gear (13) connected thereto can be driven to rotate, and when the gear (13) is rotated, it can drive another gear (13) meshing therewith to rotate, so that the two crushing rollers (11) rotate in opposite directions. At this time, the asphalt concrete raw materials in the housing (1) can be crushed by using the cooperation of the two crushing rollers (11); S2: After being crushed, the asphalt concrete raw material will fall onto the screen (31) through the discharge pipe (15). During the rotation of the gear (13), the transmission frame (65) can be pulled by the traction rope (7). During this process, the traction rope (7) can pull the transmission frame (65) toward the gear (13). During this process, the transmission frame (65) can drive the screw rod (42) to rotate. During the rotation of the screw rod (42), the torsion spring (54) can be tightened by the shaft rod (53). As the gear (13) continues to rotate, when one end of the traction rope (7) moves toward the bottom of the housing (1), the pulling force of the traction rope (7) on the transmission frame (65) gradually decreases. At this time, the torsion spring (54) starts to rebound, driving the screw rod (42) to rotate in the opposite direction. At this time, the rotating screw rod (42) drives the transmission frame (65) to move toward the side of the motor (12), thereby completing the back and forth movement operation of the transmission frame (65); S3: When the mounting rod (6) moves along the corrugated hole (32), the force generated by the movement of the mounting rod (6) can cooperate with the shape of the corrugated hole (32) to make the screen (31) shake up and down continuously, and the spring (21) assists the screen (31) to shake up and down. At this time, the asphalt concrete falling on the screen (31) can be screened by the screen (31) shaking up and down; S4: During the movement of the installation rod (6), the guide rods (64) at both ends of the bottom of the limit rod (62) will slide in contact with the guide surface (34) of the guide plate (33) on the same side. At this time, the guide surfaces (34) on the two offset guide plates (33) cooperate with the guide rods (64), so that the limit rod (62) can move back and forth along the slide groove (61). During this process, the partition rod (63) that moves with the limit rod (62) can move the asphalt concrete crushed materials on the screen (31), so that the crushed asphalt concrete can be screened more thoroughly. After the asphalt concrete raw materials are crushed, the larger pieces of asphalt concrete raw materials remaining on the screen (31) are put back into the housing (1) for secondary crushing.

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