Automatic grinding equipment for asphalt production

Abstract

The utility model discloses automatic grinding equipment for asphalt production, which comprises a crushing box and a third-stage conveying box, the third-stage conveying box is mounted at the top end of the crushing box, a second-stage conveying box is mounted at the top end of the crushing box on one side of the third-stage conveying box, a first-stage conveying box is mounted at the top end of the crushing box on one side of the second-stage conveying box, and a second-stage conveying box is mounted at the top end of the crushing box on one side of the first-stage conveying box. Striker plates are symmetrically mounted at the top end of the first-stage conveying box, a belt conveyor is mounted in the first-stage conveying box, and a roller conveyor is mounted in the second-stage conveying box. According to the utility model, the multi-stage conveying and feeding operation of the asphalt raw materials by the automatic grinding equipment is realized, the classified conveying and feeding of the asphalt raw materials with different particle sizes are facilitated, the influence on the feeding efficiency caused by secondary crushing of the finely-crushed asphalt raw materials is avoided, the granularity of the asphalt raw materials is reduced, the fineness of the asphalt raw materials is improved, and the production cost is reduced. And the operation efficiency of the automatic grinding equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic grinding equipment technical field, concretely is automatic grinding equipment for asphalt production. BACKGROUND

[0002] Asphalt powder is a kind of building material widely used in the field of road construction, construction and other fields, and the selection of suitable asphalt raw material, usually road asphalt or building asphalt, requires good adhesion, heat resistance and appropriate softening point, preheating asphalt raw material to reduce its viscosity, facilitating subsequent processing, grinding preheated asphalt through grinding machine, which can be ball mill, roller mill or other efficient grinding equipment, during grinding process, asphalt is refined into powder under the action of grinding medium.

[0003] As disclosed in the authorized announcement No. CN216964771U, a kind of grinding equipment for asphalt production, including grinding mechanism, grinding mechanism includes work tank, grinding unit, feeding conveying line and the driving unit for intermittent driving feeding conveying line work, feeding conveying line is located in work tank, grinding unit is located at the end of feeding conveying line conveying direction, grinding unit includes first grinding roller and second grinding roller arranged side by side, the two ends of first grinding roller and second grinding roller are rotatably connected with the side wall of work tank, first motor is connected on first grinding roller, driving gear is connected on first grinding roller, first driven gear is connected on second grinding roller, driving gear and first driven gear are engaged, the bottom end of work tank is provided with discharge port. It can intermittently control the feeding conveying line to feed raw materials to the grinding unit, thereby avoiding the accumulation of raw materials on the first grinding roller and the second grinding roller, and reducing the grinding efficiency.

[0004] However, it does not solve the problem that the existing such automatic grinding equipment is generally not conducive to multi-stage conveying and feeding of asphalt raw materials, and is not convenient for classification and conveying of asphalt raw materials of different particle sizes, greatly affecting the crushing of fine asphalt raw materials, affecting the fineness of asphalt raw material grinding, and affecting the working efficiency of automatic grinding equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of automatic grinding equipment for asphalt production to solve the problem that automatic grinding equipment is not convenient for multi-stage conveying and feeding of asphalt raw materials, and is not convenient for classification and conveying of asphalt raw materials of different particle sizes, which affects the crushing of fine asphalt raw materials, affects the fineness of asphalt raw material grinding, and affects the working efficiency of automatic grinding equipment.

[0006] In order to achieve the above object, the utility model provides following technical scheme: an automatic grinding equipment for asphalt production, including crushing box and three -stage conveying box, the top of crushing box is installed with three -stage conveying box, the top of crushing box one side of three -stage conveying box is installed with secondary conveying box, the top of crushing box one side of secondary conveying box is installed with primary conveying box, the top of primary conveying box is installed with the material baffle symmetrically, the inside of primary conveying box is installed with belt conveyor, the inside of secondary conveying box is installed with roller conveyor, the inside of crushing box below three -stage conveying box is installed with big crushing knife, the bottom of crushing box below big crushing knife is installed with the unloading cover, the outer wall of crushing box below unloading cover is installed with primary grinding box, the bottom of primary grinding box is installed with secondary grinding box.

[0007] Preferably, the top of the secondary conveying box on one side of the roller conveyor is installed with an upper baffle, the inside of the crushing box on one side of the three-stage conveying box is installed with a limiting plate, the inside of the crushing box on one side of the limiting plate is installed with a lower baffle, the inside of the crushing box between the lower baffle and the upper baffle is installed with a small crushing knife, the inside of the crushing box below the small crushing knife is installed with a side baffle, and the inside of the crushing box on one side of the big crushing knife is installed with a filter screen.

[0008] Preferably, the inside of the crushing box on one side of the filter screen is installed with an upper counterattack block, and the inside of the crushing box on the other side of the filter screen is installed with a lower counterattack block.

[0009] Preferably, one end of the small crushing knife is installed with a transmission shaft, the outer wall of the secondary conveying box on one side of the transmission shaft is installed with a servo motor, and the output end of the servo motor is connected with the transmission shaft.

[0010] Preferably, one end of the big crushing knife is installed with a power shaft, the outer wall of the crushing box on one side of the power shaft is installed with a stepping motor, and the output end of the stepping motor is connected with the power shaft.

[0011] Preferably, the inside of the primary grinding box and the secondary grinding box is installed with two groups of grinding rollers, the center position of the grinding rollers is installed with a driving shaft, and the two ends of the driving shaft respectively extend to the outside of the primary grinding box and the secondary grinding box.

[0012] Preferably, one end of the driving shaft is installed with a gear, and the two adjacent gears are meshed with each other, and the outer wall of the primary grinding box and the secondary grinding box on one side of one group of driving shafts is installed with a power motor, and the output end of the power motor is connected with the driving shaft.

[0013] Preferably, the outer wall of the crushing box is installed with a control panel, and the output end of the control panel is electrically connected with the input end of the belt conveyor, the roller conveyor, the servo motor, the stepping motor and the power motor.

[0014] Compared with the prior art, the automatic grinding equipment realizes multi-stage conveying and feeding of the asphalt raw material, facilitates classified conveying and feeding of the asphalt raw material with different particle sizes, avoids the influence of secondary crushing of fine and crushed asphalt raw material on the feeding efficiency, reduces the particle size of the asphalt raw material, improves the fineness of the asphalt raw material, and improves the operation efficiency of the automatic grinding equipment.

[0015] (1) The asphalt crushed material is poured into the inside of the first conveying box and conveyed by the belt conveyor, and the material blocking plate plays a role in preventing spilling; the crushed material enters the inside of the crushing box for crushing under the blocking of the side blocking plate; the large-particle material is poured into the inside of the second conveying box and conveyed to the surface of the small crushing knife by the roller conveyor; the servo motor is opened by the operation control panel; the servo motor drives the transmission shaft to rotate; the material on the surface of the small crushing knife is crushed under the cooperation of the upper blocking plate and the lower blocking plate; the powder-like material enters the inside of the third conveying box; the material directly enters the inside of the crushing box under the blocking of the lower blocking plate and the limiting plate; the power shaft is driven to rotate by the stepper motor which is opened by the operation control panel under the cooperation of the upper and lower rebound blocks; the large crushing knife is driven to rotate; the large crushing knife crushes various asphalt raw materials; the crushed material enters the inside of the first grinding box for grinding processing; the automatic grinding equipment realizes multi-stage conveying and feeding of the asphalt raw material; classified conveying and feeding of the asphalt raw material with different particle sizes is facilitated; multi-stage crushing processing of the large-particle asphalt raw material is facilitated; the influence of secondary crushing of fine and crushed asphalt raw material on the feeding efficiency is avoided; the efficiency of conveying and crushing of the asphalt raw material is improved.

[0016] (2) The power motor is opened by the operation control panel; the driving shaft is driven to rotate by the power motor; the two sets of grinding rollers are driven to rotate under the cooperation of the two sets of gears; the grinding operation of the two sets of grinding rollers is facilitated; the particle size of the asphalt raw material is reduced when the ground asphalt raw material enters the inside of the second grinding box for secondary grinding operation; the automatic grinding equipment realizes multi-stage grinding processing of the asphalt raw material; the particle size of the asphalt raw material is reduced; the fineness of the asphalt raw material is improved; and the operation efficiency of the automatic grinding equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a three-dimensional structure schematic view of the belt conveyor of the utility model;

[0019] Figure 3 It is a front view cross-sectional structure schematic view of the utility model;

[0020] Figure 4 The utility model discloses a big broken knife three -dimensional structure schematic diagram.

[0021] In the drawing: 1, broken box, 2, first conveying box, 3, baffle, 4, second conveying box, 5, roller conveyor, 6, third conveying box, 7, upper baffle, 8, small broken knife, 9, transmission shaft, 10, lower baffle, 11, limit plate, 12, upper counterattack piece, 13, big broken knife, 14, power shaft, 15, discharge cover, 16, side baffle, 17, lower counterattack piece, 18, belt conveyor, 19, control panel, 20, first grinding box, 21, second grinding box, 22, gear, 23, grinding roller, 24, drive shaft, 25, servo motor, 26, stepping motor, 27, filter screen, 28, power motor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides an embodiment: an automatic grinding equipment for asphalt production, including broken box 1 and third conveying box 6, the top of broken box 1 is installed with third conveying box 6, the top of broken box 1 on the one side of third conveying box 6 is installed with second conveying box 4, the top of broken box 1 on the one side of second conveying box 4 is installed with first conveying box 2, the top of first conveying box 2 is installed with baffle 3 symmetrically, the inside of first conveying box 2 is installed with belt conveyor 18, the inside of second conveying box 4 is installed with roller conveyor 5, the inside of broken box 1 below third conveying box 6 is installed with big broken knife 13, the bottom of broken box 1 below big broken knife 13 is installed with discharge cover 15, the outer wall of broken box 1 below discharge cover 15 is installed with first grinding box 20, and the bottom of first grinding box 20 is installed with second grinding box 21;

[0024] The top of second conveying box 4 on the one side of roller conveyor 5 is installed with upper baffle 7, the inside of broken box 1 on the one side of third conveying box 6 is installed with limit plate 11, the inside of broken box 1 on the one side of limit plate 11 is installed with lower baffle 10, the inside of broken box 1 between lower baffle 10 and upper baffle 7 is installed with small broken knife 8, the inside of broken box 1 below small broken knife 8 is installed with side baffle 16, and the inside of broken box 1 on the one side of big broken knife 13 is installed with filter screen 27;

[0025] The inside of the crushing box 1 on one side of the filter screen 27 is provided with an upper counterattack block 12, and the inside of the crushing box 1 on the other side of the filter screen 27 is provided with a lower counterattack block 17; one end of the small crushing knife 8 is provided with a transmission shaft 9, and the outer wall of the secondary conveying box 4 on one side of the transmission shaft 9 is provided with a servo motor 25, and the output end of the servo motor 25 is connected with the transmission shaft 9;

[0026] One end of the large crushing knife 13 is provided with a power shaft 14, and the outer wall of the crushing box 1 on one side of the power shaft 14 is provided with a stepping motor 26, and the output end of the stepping motor 26 is connected with the power shaft 14;

[0027] The asphalt crushed material is poured into the inside of the primary conveying box 2, conveyed by the belt conveyor 18, and the material blocking plate 3 plays a role in preventing spilling; the crushed material enters the inside of the crushing box 1 under the blocking of the side blocking plate 16 and is crushed; the large particle material is poured into the inside of the secondary conveying box 4, conveyed to the surface of the small crushing knife 8 by the roller conveyor 5, and the servo motor 25 is turned on by operating the control panel 19; the servo motor 25 drives the transmission shaft 9 to rotate, and the material on the surface of the small crushing knife 8 is crushed under the cooperation of the upper blocking plate 7 and the lower blocking plate 10; the material after the initial crushing enters the inside of the crushing box 1, and the powder material enters the inside of the tertiary conveying box 6; under the blocking of the lower blocking plate 10 and the limiting plate 11, the material directly enters the inside of the crushing box 1; under the cooperation of the upper counterattack block 12 and the lower counterattack block 17, the stepping motor 26 is turned on by operating the control panel 19; the stepping motor 26 drives the power shaft 14 to rotate, and the power shaft 14 drives the large crushing knife 13 to rotate; the large crushing knife 13 crushes various asphalt raw materials; the crushed material enters the inside of the primary grinding box 20 through the filter screen 27 and is ground; the automatic grinding equipment realizes multi-stage conveying and feeding of the asphalt raw material, facilitates classification and conveying of the asphalt raw material with different particle sizes, facilitates multi-stage crushing of the large particle asphalt raw material, avoids the influence of the fine asphalt raw material on the feeding efficiency, and improves the conveying and crushing efficiency of the asphalt raw material;

[0028] Two groups of grinding rollers 23 are installed in the inside of the primary grinding box 20 and the secondary grinding box 21, and a drive shaft 24 is installed at the center position of each grinding roller 23, and the two ends of the drive shaft 24 respectively extend to the outside of the primary grinding box 20 and the secondary grinding box 21;

[0029] A gear 22 is installed at one end of the drive shaft 24, and the two adjacent gears 22 are meshed with each other, and a power motor 28 is installed on the outer wall of the primary grinding box 20 and the secondary grinding box 21 on one side of one group of drive shafts 24, and the output end of the power motor 28 is connected with the drive shaft 24;

[0030] A control panel 19 is mounted on the outer wall of the crushing box 1, and the output end of the control panel 19 is electrically connected with the input end of the belt conveyor 18, the roller conveyor 5, the servo motor 25, the stepping motor 26 and the power motor 28;

[0031] The power motor 28 is started by operating the control panel 19, the power motor 28 drives the driving shaft 24 to rotate, the driving shaft 24 drives the gear 22 to rotate, and the two sets of grinding rollers 23 are driven to rotate under the cooperation of the two sets of gears 22, so that the two sets of grinding rollers 23 are conveniently matched to perform the grinding operation, the ground asphalt raw material enters the inside of the secondary grinding box 21 to perform the grinding operation again, so as to reduce the granularity of the asphalt raw material, realize the multi-stage grinding processing of the automatic grinding equipment on the asphalt raw material, reduce the granularity of the asphalt raw material, improve the fineness of the asphalt raw material, and improve the working efficiency of the automatic grinding equipment.

[0032] In use, the external power supply is connected, first, the asphalt crushed material is poured into the inside of the primary conveying box 2, is conveyed by the belt conveyor 18, and the material blocking plate 3 plays a role in preventing spilling, the crushed material enters the inside of the crushing box 1 under the blocking of the side blocking plate 16 to perform crushing, the large-particle material is poured into the inside of the secondary conveying box 4, is conveyed to the surface of the small crushing knife 8 by the roller conveyor 5, the servo motor 25 drives the transmission shaft 9 to rotate, and the material on the surface of the small crushing knife 8 is crushed under the cooperation of the upper blocking plate 7 and the lower blocking plate 10, the material after the initial crushing enters the inside of the crushing box 1, the powder-like material enters the inside of the tertiary conveying box 6, directly enters the inside of the crushing box 1 under the blocking of the lower blocking plate 10 and the limiting plate 11, the stepping motor 26 drives the power shaft 14 to rotate, the power shaft 14 drives the large crushing knife 13 to rotate, the large crushing knife 13 crushes various asphalt raw materials, the crushed material enters the inside of the primary grinding box 20 to perform grinding processing through the filter screen 27, the power motor 28 drives the driving shaft 24 to rotate, the driving shaft 24 drives the gear 22 to rotate, and the two sets of grinding rollers 23 are driven to rotate under the cooperation of the two sets of gears 22, so that the two sets of grinding rollers 23 are conveniently matched to perform the grinding operation, the ground asphalt raw material enters the inside of the secondary grinding box 21 to perform the grinding operation again, so as to reduce the granularity of the asphalt raw material, and complete the use of the automatic grinding equipment.

Claims

1. An automated grinding apparatus for asphalt production, characterized by: The application relates to a three-stage conveying box type crusher, which comprises a crushing box (1) and three-stage conveying boxes (6), wherein the top end of the crushing box (1) is provided with the three-stage conveying box (6), the top end of the crushing box (1) on one side of the three-stage conveying box (6) is provided with a second-stage conveying box (4), the top end of the crushing box (1) on one side of the second-stage conveying box (4) is provided with a first-stage conveying box (2), the top end of the first-stage conveying box (2) is symmetrically provided with a material baffle (3), a belt conveyor (18) is arranged in the first-stage conveying box (2), a roller conveyor (5) is arranged in the second-stage conveying box (4), a large crushing cutter (13) is arranged in the crushing box (1) below the three-stage conveying box (6), a discharging cover (15) is arranged at the bottom end of the crushing box (1) below the large crushing cutter (13), a first-stage grinding box (20) is arranged on the outer wall of the crushing box (1) below the discharging cover (15), and a second-stage grinding box (21) is arranged at the bottom end of the first-stage grinding box (20).

2. An automatic grinding device for asphalt production according to claim 1, characterized in that: An upper baffle (7) is arranged at the top end of the second-stage conveying box (4) on one side of the roller conveyor (5), a limiting plate (11) is arranged in the crushing box (1) on one side of the three-stage conveying box (6), a lower baffle (10) is arranged in the crushing box (1) on one side of the limiting plate (11), a small crushing cutter (8) is arranged in the crushing box (1) between the lower baffle (10) and the upper baffle (7), a side baffle (16) is arranged in the crushing box (1) below the small crushing cutter (8), and a filter screen (27) is arranged in the crushing box (1) on one side of the large crushing cutter (13).

3. An automated grinding apparatus for asphalt production as claimed in claim 2, wherein: An upper counterattack block (12) is arranged in the crushing box (1) on one side of the filter screen (27), and a lower counterattack block (17) is arranged in the crushing box (1) on the other side of the filter screen (27).

4. The automatic grinding equipment for asphalt production according to claim 2, characterized in that: One end of the small crushing cutter (8) is provided with a transmission shaft (9), a servo motor (25) is arranged on the outer wall of the second-stage conveying box (4) on one side of the transmission shaft (9), and the output end of the servo motor (25) is connected with the transmission shaft (9).

5. The automatic grinding equipment for asphalt production according to claim 1, characterized in that: One end of the large crushing cutter (13) is provided with a power shaft (14), a stepping motor (26) is arranged on the outer wall of the crushing box (1) on one side of the power shaft (14), and the output end of the stepping motor (26) is connected with the power shaft (14).

6. The automatic grinding equipment for asphalt production according to claim 1, characterized in that: Two groups of grinding rollers (23) are arranged in the first-stage grinding box (20) and the second-stage grinding box (21), respectively, a driving shaft (24) is arranged at the center position of each grinding roller (23), and the two ends of the driving shaft (24) respectively extend to the outside of the first-stage grinding box (20) and the second-stage grinding box (21).

7. An automated grinding apparatus for asphalt production as claimed in claim 6, wherein: One end of the driving shaft (24) is provided with a gear (22), the two gears (22) of adjacent groups are meshed with each other, a power motor (28) is arranged on the outer wall of the first-stage grinding box (20) and the second-stage grinding box (21) on one side of one group of driving shafts (24), and the output end of the power motor (28) is connected with the driving shaft (24).

8. The automated grinding device for asphalt production of claim 1, wherein: The control panel (19) is installed on the outer wall of the crushing box (1), and the output end of the control panel (19) is electrically connected with the input end of the belt conveyor (18), the roller conveyor (5), the servo motor (25), the stepping motor (26) and the power motor (28).

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