Emulsified rubber asphalt production device

Abstract

The invention relates to the technical field of asphalt production, in particular to an emulsified rubber asphalt production device which comprises a smashing box and a feeding valve, and the feeding valve is arranged at the top end of the smashing box in a communicating mode. The grinding device further comprises a cutting device, a mixing device, a driving device, a barrel, grinding wheels and a grinding ring, the barrel is installed on the upper portion of the smashing box, the multiple sets of grinding wheels are rotationally connected and form an integral conical shape, the uppermost grinding wheel is rotationally installed at the bottom of the barrel, and the grinding ring is installed on the inner side wall of the smashing box. The outer side wall of the grinding ring is arranged to be in a step shape, the gap between the step shape and the grinding wheel is gradually reduced from top to bottom, and the cutting device is arranged on the outer side wall of the cylinder. According to the rubber grinding device, the forward, reverse, forward and re-reverse grinding effects on rubber are achieved, meanwhile, the gradual fine grinding effect of the rubber is achieved in cooperation with continuously-reduced gaps, the crushing reliability of the rubber is improved, the compatibility and emulsification processing effects of materials are improved, and the quality of finished products is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of asphalt production, in particular to an emulsified rubber asphalt production device. Background Art

[0002] Emulsified rubber asphalt is a material obtained by emulsifying rubber powder and asphalt. It combines the advantages of rubber and asphalt, has good elasticity, adhesion and aging resistance, and is widely used in road construction and maintenance. However, existing emulsified rubber asphalt production equipment has some shortcomings.

[0003] For example, the prior art patent with authorization announcement number discloses an emulsifying device for producing rubber-modified asphalt, relating to the technical field of asphalt emulsification devices. The device comprises a reaction tank, a connecting chamber, a partition, and a rotating motor. The connecting chamber is provided on one side of the reaction tank. The present invention utilizes a servo motor to drive the connecting disk to reverse, which in turn drives the limiting frame to move. The limiting frame slides inside the guide groove, separating the limiting frame from the interior of the limiting groove.

[0004] Since the key technology for emulsifying asphalt containing rubber crumbs is to allow the rubber particles to dissolve and disperse in the matrix asphalt, this is very difficult for rubber particles with poor compatibility. The equipment uses a single rotation mixing method, which has poor compatibility and low efficiency, and cannot guarantee the degree of rubber crushing, reducing the quality reliability of the emulsified rubber asphalt processing. Summary of the Invention

[0005] In order to solve the above technical problems, the present invention provides an emulsified rubber asphalt production device that can achieve forward, reverse, forward and reverse grinding effects on rubber, and at the same time, with the continuously shrinking gap, achieve a step-by-step fine grinding effect on the rubber, improve the reliability of rubber crushing, facilitate better compatibility of rubber powder with asphalt, improve the compatibility and emulsification processing effects of materials, and improve the quality of finished products.

[0006] The emulsified rubber asphalt production device of the present invention includes a crushing box and a feed valve, which is connected and arranged at the top of the crushing box; it also includes a cutting device, a mixing device, a driving device, a cylinder, a grinding wheel and a grinding ring, the cylinder is installed on the upper part of the crushing box, multiple groups of grinding wheels are rotatably connected, and the multiple groups of grinding wheels form an integral conical shape, the uppermost grinding wheel is rotatably installed at the bottom of the cylinder, the grinding ring is installed on the inner wall of the crushing box, and the outer wall of the grinding ring is set in a stepped shape, and the gap between the stepped shape and the grinding wheel gradually decreases from top to bottom, the cutting device is set on the outer wall of the cylinder, the cutting device is used to cut the rubber, the crushing box is connected to the mixing device, the mixing device is used to achieve multi-directional mixing of the material, the driving device is set on the crushing box On the box, the driving device is used to drive multiple groups of grinding wheels to rotate in different directions; the rubber raw material is put into the crushing box through the feed valve, and the rubber raw material entering the crushing box is crushed by the cutting device, and then the crushed rubber falls down into the gap between the multiple groups of grinding wheels and the grinding rings. The first group of grinding wheels rotates clockwise, so that the first group of grinding wheels grinds the rubber and the grinding ring in a positive direction, and the ground rubber falls between the second group of grinding wheels and the grinding ring, and the second group of grinding wheels rotates counterclockwise to grind the rubber in the reverse direction. In this way, by making the upper and lower adjacent grinding wheels rotate in different directions, the forward, reverse, forward and reverse grinding effects of the rubber are achieved, and then the rubber powder is mixed with asphalt and emulsifier in multiple directions in the mixing device.

[0007] Preferably, the mixing device includes a conveying device, a power device, a heating box, a discharge valve, a feed valve, a spline shaft, a spline sleeve, a bracket, a cross-shaped cutter and a scraper. The heating box is connected to the crushing box through the conveying device. The conveying device is used to convey the rubber powder. The discharge valve and multiple groups of feed valves are connected and arranged on the heating box. The spline shaft is rotatably installed at the bottom of the heating box. The top of the spline shaft is installed in conjunction with the spline sleeve. The spline sleeve rotates and slides up and down through the top of the heating box. The heating box is provided with a power device, which is used to drive the spline sleeve to rotate and move up and down. The upper part of the bracket is installed on the outer wall of the spline sleeve, and the lower part of the bracket is slidably installed on the spline shaft. Multiple groups of cross-shaped cutters are installed on the bracket, and the scraper is installed on the lower part of the outer wall of the spline shaft. The asphalt raw materials and emulsifiers are conveyed through multiple groups of feed valves. To the heating box, and then the rubber powder is transported to the heating box through the conveying device, and then the spline sleeve is driven to rotate by the power device, so that the spline sleeve drives the spline shaft to rotate. After the spline shaft rotates, it drives multiple sets of cross-shaped cutters to move circumferentially through the bracket, so that the blades on both sides of the multiple sets of cross-shaped cutters cut and mix the materials in the heating box, and at the same time, the multiple sets of cross-shaped cutters stir the materials. The power device drives the spline sleeve to rotate and move back and forth, so that the multiple sets of cross-shaped cutters move back and forth, so that the multiple sets of cross-shaped cutters mix and cut the materials at different positions, and at the same time, the blades on the upper and lower sides of the cross-shaped cutter cut the material up and down, and the cross-shaped cutter stirs the material up and down, thereby achieving the effect of multi-directional mixing and cutting of the material in the heating box, thereby improving the processing efficiency and quality of emulsified rubber asphalt.

[0008] Preferably, the power device includes a driving structure, a telescopic rod, a base, a circulation box, a piston and a conveying pipe, multiple groups of telescopic rods are installed at the top of the heating box, the base is installed at the top of multiple groups of telescopic rods, the top of the spline sleeve is rotatably installed on the base, and a driving structure is provided on the base, the driving structure is used to drive the spline sleeve to rotate, and the driving structure is used to drive the base to lift and move, the circulation box is installed on the heating box, the piston is installed in the circulation box for sliding up and down, the top of the piston is connected to the base, the conveying pipe is connected and arranged between the heating box and the circulation box, a one-way discharge valve is provided between the circulation box and the heating box, and a one-way inlet valve is provided on the conveying pipe; the spline sleeve is driven to rotate by the driving structure, so that multiple groups of cross-shaped cutters move circumferentially to cut and mix the materials, and the base is driven to lift and move by the driving structure, so that the base drives multiple groups of cross-shaped cutters to lift and move, and the base lifts and lowers while driving the piston to lift and lower, so that the piston circulates the material in the heating box in the circulation box through cooperation with the conveying pipe and the one-way valve, thereby improving the up and down circulation effect of the material in the heating box and further improving the mixing uniformity.

[0009] Preferably, the cutting device includes a kit, a first cutting knife and a second cutting knife. The kit is rotatably mounted on the outer wall of the cylinder, multiple groups of first cutting knives are mounted on the outer wall of the kit, multiple groups of second cutting knives are respectively arranged on the outer wall of the kit and the inner wall of the crushing box, and the second cutting knives on the kit and the second cutting knives on the crushing box are staggered up and down; by rotating the kit, the first cutting knife and multiple groups of second cutting knives cooperate to cut and crush the rubber raw materials entering the crushing box, thereby improving the convenience of grinding the rubber raw materials in the later stage.

[0010] Preferably, the driving device includes a rotating shaft, a first gear, a rotating disk, a second gear and a first gear ring, the upper parts of the two groups of rotating shafts are rotatably mounted on the cylinder, the lower parts of the two groups of rotating shafts are rotatably mounted on the rotating disk, and the rotating disk is rotatably mounted in the lowest grinding wheel, wherein every two groups of second gears are respectively arranged on the outer side wall of one group of rotating shafts, the four groups of first gear rings are respectively arranged on the inner side walls of the four groups of grinding wheels, the four groups of first gear rings are respectively meshed with the four groups of second gears, the two groups of first gears are respectively mounted on the top ends of the two groups of rotating shafts, and the two groups of first gears are meshed; the two groups of rotating shafts rotate in opposite directions through the meshing of the two groups of first gears, so that the two groups of rotating shafts drive the four groups of grinding wheels to rotate in different directions through the four groups of second gears and the four groups of first gear rings, thereby improving the grinding processing effect on rubber.

[0011] Preferably, the driving structure includes a first motor, a turntable, a connecting arm and a second motor. The first motor is installed on the outer wall of the heating box, the turntable is arranged on the output end of the first motor, the top end of the connecting arm is rotatably installed at an eccentric position on the outer wall of the turntable, the bottom end of the connecting arm is rotatably connected to the base, the second motor is installed on the base, and the output end of the second motor is connected to the top end of the spline sleeve; the second motor provides rotational power to the spline sleeve, and the turntable is driven to rotate by the first motor, so that the turntable drives the base to move back and forth through the connecting arm.

[0012] Preferably, it also includes a third motor, a second gear ring and a third gear. The third motor is installed on the outer wall of the crushing box, the second gear ring is installed on the outer wall of the kit, the third gear is arranged on the lower output end of the third motor, the third gear is engaged with the second gear ring, and the upper output end of the third motor drives one of the sets of rotating shafts through the cooperation of the belt and the pulley; after the third motor is started, it provides power for the rotation of the two sets of rotating shafts, and at the same time, the third motor drives the kit to rotate through the second gear ring and the third gear, thereby improving the convenience of rubber crushing and grinding.

[0013] Preferably, it also includes a spiral blade, which is installed on the outer side wall of the spline shaft; when the spline shaft rotates, the spiral blade is driven to rotate, so that the spiral blade transports the material in the heating box upward, thereby improving the upward and downward circulation flow effect when the material is mixed.

[0014] Preferably, the conveying device includes a conveying fan, which is connected and arranged between the crushing box and the heating box; the conveying fan conveys the rubber powder in the crushing box to the inside of the heating box through wind power, thereby improving the convenience of material transportation.

[0015] Preferably, it further comprises a cover body, which is mounted on the inner wall of the crushing box to improve the protection effect of the second gear ring and the third gear.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: by rotating the upper and lower adjacent grinding wheels in different directions, the forward, reverse, forward and reverse grinding effects on the rubber are achieved, and at the same time, with the continuously shrinking gap, the rubber is finely ground step by step, the reliability of rubber crushing is improved, and the rubber powder is more compatible with asphalt. Subsequently, by mixing the rubber powder, asphalt and emulsifier in multiple directions in the mixing device, the compatibility and emulsification processing effects of the materials are improved, thereby improving the quality of the finished product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an axonometric structural diagram of the present invention; Figure 2 This is a schematic diagram of the partial axonometric structure of the connection between the crushing box and the feed hopper; Figure 3 This is a schematic diagram of the partial axonometric structure of the connection between the crushing box and the cylinder; Figure 4 It is a schematic diagram of the axonometric partial structure of the connection between the bracket and the cross-shaped tool; Figure 5 It is a schematic diagram of the axonometric partial structure of the connection between the telescopic rod and the base; Figure 6 This is an axonometric partial structural diagram of the connection between the circulation box and the conveying pipe; Figure 7 This is a schematic diagram of the partial axonometric structure of the connection between the rotating shaft and the first gear, etc.; Figure 8 This is a schematic diagram of the partial axonometric structure of the connection between the crushing box and the grinding ring; Figure 9 It is a schematic diagram of the axonometric partial structure of the connection between the cylinder and the kit; Figure 10 It is an axonometric diagram of the local structure of the connection between the turntable and the connecting arm.

[0018] Reference numerals in the accompanying drawings: 101, crushing box; 102, feed hopper; 103, cylinder; 104, grinding wheel; 105, grinding ring; 201, heating box; 202, discharge valve; 203, feed valve; 204, spline shaft; 205, spline sleeve; 206, bracket; 207, cross-shaped cutter; 208, scraper; 301, telescopic rod; 302, base; 303, circulation box; 304, piston; 305, delivery pipe; 401 , kit; 402, first cutting knife; 403, second cutting knife; 501, rotating shaft; 502, first gear; 503, turntable; 504, second gear; 505, first gear ring; 601, first motor; 602, turntable; 603, connecting arm; 604, second motor; 701, third motor; 702, second gear ring; 703, third gear; 801, spiral blade; 901, conveying fan; 1001, cover body. DETAILED DESCRIPTION

[0019] To facilitate understanding of the present invention, the present invention will be described more fully below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive. Example 1

[0020] The emulsified rubber asphalt production device of the present invention includes a crushing box 101 and a feed valve 102, which is connected and arranged at the top of the crushing box 101; it also includes a cutting device, a mixing device, a driving device, a cylinder 103, a grinding wheel 104 and a grinding ring 105. The cylinder 103 is installed on the upper part of the crushing box 101, and multiple groups of grinding wheels 104 are rotatably connected. The multiple groups of grinding wheels 104 form an integral conical shape. The uppermost grinding wheel 104 is rotatably installed at the bottom of the cylinder 103, and the grinding ring 105 is installed on the inner wall of the crushing box 101. The outer wall of the grinding ring 105 is set in a stepped shape, and the gap between the stepped shape and the grinding wheel 104 gradually decreases from top to bottom. The cutting device is set on the outer wall of the cylinder 103 and is used to cut rubber. The crushing box 101 is connected to the mixing device, and the mixing device is used to achieve multi-directional mixing of materials. The driving device is set on the crushing box 101 and is used to drive the multiple groups of grinding wheels 104 to rotate in different directions. The mixing device includes a conveying device, a power device, a heating box 201, a discharge valve 202, a feed valve 203, a spline shaft 204, a spline sleeve 205, a bracket 206, a cross-shaped cutter 207 and a scraper 208. The heating box 201 is connected to the crushing box 101 through the conveying device. The conveying device is used to convey the rubber powder. The discharge valve 202 and multiple groups of feed valves 203 are connected and arranged on the heating box 201. The spline shaft 204 is rotatably installed at the bottom of the heating box 201. The top of the key shaft 204 is mounted in conjunction with the spline sleeve 205. The spline sleeve 205 rotates and slides up and down through the top of the heating box 201. The heating box 201 is provided with a power device for driving the spline sleeve 205 to rotate and move up and down. The upper portion of the bracket 206 is mounted on the outer wall of the spline sleeve 205. The lower portion of the bracket 206 is slidably mounted on the spline shaft 204. Multiple sets of cross-shaped cutters 207 are mounted on the bracket 206. The scraper 208 is mounted on the lower portion of the outer wall of the spline shaft 204. In this embodiment, the rubber raw material is put into the crushing box 101 through the feed valve 102. The rubber raw material entering the crushing box 101 is crushed by the cutting device, and then the crushed rubber falls downward into the gap between the multiple groups of grinding wheels 104 and the grinding ring 105. The first group of grinding wheels 104 rotates clockwise, so that the first group of grinding wheels 104 grinds the rubber and the grinding ring 105 in a positive direction. The ground rubber falls between the second group of grinding wheels 104 and the grinding ring 105, and the second group of grinding wheels 104 rotates counterclockwise to grind the rubber in a reverse direction. In this way, by making the upper and lower adjacent grinding wheels 104 rotate in different directions, the rubber can be ground in the positive, reverse, positive and reverse directions. At the same time, with the continuously shrinking gap, the rubber can be finely ground step by step, thereby improving the reliability of rubber crushing and facilitating better compatibility of rubber powder with asphalt. Subsequently, by making the rubber powder, asphalt and emulsifier mixed in multiple directions in the mixing device, the compatibility and emulsification processing effect of the materials are improved, thereby improving the quality of the finished product. Example 2

[0021] On the basis of Example 1, the emulsified rubber asphalt production device of the present invention, the power device includes a driving structure, a telescopic rod 301, a base 302, a circulation box 303, a piston 304 and a delivery pipe 305, multiple groups of telescopic rods 301 are installed at the top of the heating box 201, the base 302 is installed at the top of the multiple groups of telescopic rods 301, the top of the spline sleeve 205 is rotatably installed on the base 302, a driving structure is provided on the base 302, the driving structure is used to drive the spline sleeve 205 to rotate, and the driving structure is used to drive the base 302 to move up and down, the circulation box 303 is installed on the heating box 201, the piston 304 is installed in the circulation box 303 for sliding up and down, the top of the piston 304 is connected to the base 302, the delivery pipe 305 is connected and arranged between the heating box 201 and the circulation box 303, a one-way discharge valve is provided between the circulation box 303 and the heating box 201, and a one-way inlet valve is provided on the delivery pipe 305; The driving device includes a rotating shaft 501, a first gear 502, a rotating disk 503, a second gear 504 and a first gear ring 505. The upper parts of the two sets of rotating shafts 501 are rotatably mounted on the cylinder 103, and the lower parts of the two sets of rotating shafts 501 are rotatably mounted on the rotating disk 503. The rotating disk 503 is rotatably mounted inside the lowest grinding wheel 104, wherein every two sets of second gears 504 are respectively arranged on the outer wall of one set of rotating shafts 501, and four sets of first gear rings 505 are respectively arranged on the inner walls of four sets of grinding wheels 104. The four sets of first gear rings 505 are respectively meshed with the four sets of second gears 504. The two sets of first gears 502 are respectively mounted on the top of the two sets of rotating shafts 501, and the two sets of first gears 502 are meshed; The driving structure includes a first motor 601, a turntable 602, a connecting arm 603, and a second motor 604. The first motor 601 is mounted on the outer wall of the heating box 201, the turntable 602 is arranged on the output end of the first motor 601, the top of the connecting arm 603 is rotatably mounted on the eccentric position of the outer wall of the turntable 602, the bottom end of the connecting arm 603 is rotatably connected to the base 302, the second motor 604 is mounted on the base 302, and the output end of the second motor 604 is connected to the top of the spline sleeve 205; The third motor 701 is mounted on the outer wall of the crushing box 101, the second gear ring 702 is mounted on the outer wall of the sleeve 401, and the third gear 703 is disposed on the lower output end of the third motor 701. The third gear 703 is meshed with the second gear ring 702. The upper output end of the third motor 701 is driven to one of the rotating shafts 501 via a belt and a pulley. It also includes a spiral blade 801, which is installed on the outer side wall of the spline shaft 204; The conveying device includes a conveying fan 901, which is connected and arranged between the crushing box 101 and the heating box 201; It also includes a cover 1001, which is installed on the inner wall of the crushing box 101; In this embodiment, the asphalt raw materials and emulsifier are transported to the heating box 201 through multiple groups of feed valves 203, and then the rubber powder is transported to the heating box 201 through the conveying device, and then the spline sleeve 205 is driven to rotate by the power device, so that the spline sleeve 205 drives the spline shaft 204 to rotate, and after the spline shaft 204 rotates, the bracket 206 drives the multiple groups of cross-shaped cutters 207 to move circumferentially, so that the blades on both sides of the multiple groups of cross-shaped cutters 207 cut and mix the materials in the heating box 201, and at the same time, the multiple groups of cross-shaped cutters 207 stir the materials, and the power device drives the spline sleeve 205 to rotate while moving back and forth, so that the multiple groups of cross-shaped cutters 207 move back and forth, so that the multiple groups of cross-shaped cutters 207 mix and cut the materials at different positions, and at the same time, the cross-shaped cutters 207 stir the materials. The blades on the upper and lower sides of 07 cut the material up and down, and the cross-shaped tool 207 stirs the material up and down, achieving the effect of multi-directional mixing and cutting of the material in the heating box 201, improving the processing efficiency and quality of the emulsified rubber asphalt, and driving the spline sleeve 205 to rotate through the driving structure, so that multiple groups of cross-shaped tools 207 move circumferentially to cut and mix the material, and the driving structure drives the base 302 to move up and down, so that the base 302 drives the multiple groups of cross-shaped tools 207 to move up and down, and the base 302 moves up and down while driving the piston 304 to move up and down, so that the piston 304 cooperates with the delivery pipe 305 and the one-way valve to circulate the material in the heating box 201 in the circulation box 303, thereby improving the up and down circulation effect of the material in the heating box 201 and further improving the mixing uniformity. Example 3

[0022] On the basis of Example 1, the emulsified rubber asphalt production device of the present invention comprises a cutting device comprising a kit 401, a first cutting knife 402 and a second cutting knife 403. The kit 401 is rotatably mounted on the outer wall of the cylinder 103, multiple groups of first cutting knives 402 are mounted on the outer wall of the kit 401, multiple groups of second cutting knives 403 are respectively arranged on the outer wall of the kit 401 and the inner wall of the crushing box 101, and the second cutting knives 403 on the kit 401 and the second cutting knives 403 on the crushing box 101 are staggered up and down; by rotating the kit 401, the first cutting knife 402 and the multiple groups of second cutting knives 403 cooperate to cut and crush the rubber raw materials entering the crushing box 101, thereby improving the convenience of grinding the rubber raw materials in the later stage.

[0023] like Figures 1 to 10As shown, the emulsified rubber asphalt production device of the present invention, when working, puts the rubber raw material into the crushing box 101 through the feed valve 102, and the rubber raw material entering the crushing box 101 is crushed by the cutting device, and then the crushed rubber falls downward into the gap between the multiple groups of grinding wheels 104 and the grinding ring 105. The first group of grinding wheels 104 rotates clockwise, so that the first group of grinding wheels 104 grinds the rubber and the grinding ring 105 in a positive direction. The ground rubber falls between the second group of grinding wheels 104 and the grinding ring 105, and the second group of grinding wheels 104 rotates counterclockwise to grind the rubber in the reverse direction. In this way, by making the upper and lower adjacent grinding wheels 104 rotate in different directions, the forward, reverse, forward and reverse grinding effects of the rubber are achieved. At the same time, with the continuously shrinking gap, the rubber is finely ground step by step. Then, the rubber powder is mixed with asphalt and emulsifier in multiple directions in the mixing device.

[0024] The main functions achieved by the present invention are: 1. By rotating the upper and lower adjacent grinding wheels 104 in different directions, the rubber can be ground in the forward, reverse, forward, and reverse directions. At the same time, with the gap being continuously reduced, the rubber can be ground finely step by step, thereby improving the reliability of rubber crushing and facilitating better compatibility of rubber powder with asphalt. 2. The multiple sets of cross-shaped knives 207 move circumferentially and reciprocate up and down at the same time, so that the multiple sets of cross-shaped knives 207 can stir the material in different directions, and at the same time, the blades of the multiple sets of cross-shaped knives 207 on different sides can cut the material; 3. The multiple sets of cross-shaped cutters 207 are driven to move up and down, and the circulation box 303 is used to circulate the material to improve the fluidity of the material.

[0025] The heating box 201, the first motor 601, the second motor 604, the third motor 701 and the conveying fan 901 of the emulsified rubber asphalt production device of the present invention are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to make creative efforts.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An emulsified rubber asphalt production device, comprising a crushing box (101) and a feed valve (102), wherein the feed valve (102) is connected and arranged at the top of the crushing box (101); characterized in that: The invention also includes a cutting device, a mixing device, a driving device, a cylinder (103), a grinding wheel (104) and a grinding ring (105), wherein the cylinder (103) is mounted on the upper part of the crushing box (101), multiple groups of grinding wheels (104) are rotatably connected, and the multiple groups of grinding wheels (104) form an integral conical shape, the uppermost grinding wheel (104) is rotatably mounted on the bottom of the cylinder (103), the grinding ring (105) is mounted on the inner wall of the crushing box (101), and the outer wall of the grinding ring (105) is arranged in a stepped shape, and the gap between the stepped shape and the grinding wheel (104) gradually decreases from top to bottom, the cutting device is arranged on the outer wall of the cylinder (103), and the cutting device is used to cut the rubber, the crushing box (101) is connected to the mixing device, and the mixing device is used to achieve multi-directional mixing of the material, and the driving device is arranged on the crushing box (101), and the driving device is used to drive the multiple groups of grinding wheels (104) to rotate in different directions.

2. The emulsified rubber asphalt production device according to claim 1, characterized in that: The mixing device comprises a conveying device, a power device, a heating box (201), a discharge valve (202), a feed valve (203), a spline shaft (204), a spline sleeve (205), a bracket (206), a cross-shaped cutter (207) and a scraper (208); the heating box (201) is connected to the crushing box (101) via the conveying device; the conveying device is used to convey the rubber powder; the discharge valve (202) and the plurality of feed valves (203) are connected and arranged on the heating box (201); the spline shaft (204) is rotatably mounted on the bottom of the heating box (201); The top of the spline shaft (204) is mounted in cooperation with the spline sleeve (205), and the spline sleeve (205) rotates and slides up and down through the top of the heating box (201). The heating box (201) is provided with a power device, which is used to drive the spline sleeve (205) to rotate and move up and down. The upper part of the bracket (206) is mounted on the outer wall of the spline sleeve (205), and the lower part of the bracket (206) is slidably mounted on the spline shaft (204). Multiple groups of cross-shaped cutters (207) are all mounted on the bracket (206), and the scraper (208) is mounted on the lower part of the outer wall of the spline shaft (204).

3. The emulsified rubber asphalt production device according to claim 2, characterized in that: The power device comprises a driving structure, a telescopic rod (301), a base (302), a circulation box (303), a piston (304) and a delivery pipe (305), wherein the plurality of telescopic rods (301) are mounted on the top of the heating box (201), the base (302) is mounted on the top of the plurality of telescopic rods (301), the top of the spline sleeve (205) is rotatably mounted on the base (302), and the base (302) is provided with a driving structure for driving the spline sleeve (205) to rotate and The driving structure is used to drive the base (302) to move up and down, the circulation box (303) is installed on the heating box (201), the piston (304) is installed in the circulation box (303) to slide up and down, the top of the piston (304) is connected to the base (302), the delivery pipe (305) is connected and arranged between the heating box (201) and the circulation box (303), a one-way discharge valve is provided between the circulation box (303) and the heating box (201), and a one-way inlet valve is provided on the delivery pipe (305).

4. The emulsified rubber asphalt production device according to claim 1, characterized in that: The cutting device comprises a kit (401), a first cutting knife (402) and a second cutting knife (403); the kit (401) is rotatably mounted on the outer side wall of the cylinder (103); multiple groups of first cutting knives (402) are mounted on the outer side wall of the kit (401); multiple groups of second cutting knives (403) are respectively arranged on the outer side wall of the kit (401) and the inner side wall of the crushing box (101); and the second cutting knives (403) on the kit (401) and the second cutting knives (403) on the crushing box (101) are arranged in an upper and lower staggered manner.

5. The emulsified rubber asphalt production device according to claim 4, characterized in that: The driving device comprises a rotating shaft (501), a first gear (502), a rotating disk (503), a second gear (504) and a first gear ring (505), wherein the upper parts of the two sets of rotating shafts (501) are both rotatably mounted on the cylinder (103), the lower parts of the two sets of rotating shafts (501) are both rotatably mounted on the rotating disk (503), and the rotating disk (503) is rotatably mounted in the lowermost grinding wheel (104), wherein each two sets of second gears (504) are respectively arranged on the outer side wall of one set of rotating shafts (501), the four sets of first gear rings (505) are respectively arranged on the inner side walls of the four sets of grinding wheels (104), the four sets of first gear rings (505) are respectively meshed with the four sets of second gears (504), the two sets of first gears (502) are respectively mounted on the top ends of the two sets of rotating shafts (501), and the two sets of first gears (502) are meshed.

6. The emulsified rubber asphalt production device according to claim 3, characterized in that: The driving structure comprises a first motor (601), a turntable (602), a connecting arm (603) and a second motor (604), wherein the first motor (601) is mounted on the outer wall of the heating box (201), the turntable (602) is arranged on the output end of the first motor (601), the top end of the connecting arm (603) is rotatably mounted on the outer wall of the turntable (602) at an eccentric position, the bottom end of the connecting arm (603) is rotatably connected to the base (302), the second motor (604) is mounted on the base (302), and the output end of the second motor (604) is connected to the top end of the spline sleeve (205).

7. The emulsified rubber asphalt production device according to claim 5, characterized in that: The invention also includes a third motor (701), a second gear ring (702) and a third gear (703), wherein the third motor (701) is mounted on the outer wall of the crushing box (101), the second gear ring (702) is mounted on the outer wall of the kit (401), the third gear (703) is arranged on the lower output end of the third motor (701), the third gear (703) is meshed with the second gear ring (702), and the upper output end of the third motor (701) is driven to one of the rotating shafts (501) through the cooperation of a belt and a pulley.

8. The emulsified rubber asphalt production device according to claim 2, characterized in that: It also includes a spiral blade (801), which is installed on the outer side wall of the spline shaft (204).

9. The emulsified rubber asphalt production device according to claim 2, characterized in that: The conveying device comprises a conveying fan (901), and the conveying fan (901) is arranged in communication between the crushing box (101) and the heating box (201).

10. The emulsified rubber asphalt production device according to claim 1, characterized in that: It also includes a cover body (1001), which is installed on the inner wall of the crushing box (101).

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