Foaming agent mixing device for warm mix asphalt

Abstract

The utility model relates to the technical field of mixing equipment, and discloses a foaming agent mixing device for warm mix asphalt, which comprises a mixing tank, a plurality of supporting legs fixedly connected to the outer side of the mixing tank, a discharge valve fixedly connected to the lower end of the mixing tank, a main control box fixedly connected to the mixing tank above the supporting legs, and a top cover fixedly connected to the upper end of the mixing tank. The top cover is fixedly connected with a gear motor, and the gear motor is electrically connected with the master control box through a connecting line. Two C-shaped auxiliary rods are arranged on the outer side of a stirring shaft, a plurality of stirring blades are rotationally connected between the stirring shaft and the C-shaped auxiliary rods, meanwhile, a fixing shaft is arranged at the bottom in a mixing tank, and a plurality of first bevel gears are arranged on the outer side of the fixing shaft and inserted into a hollow cavity in the stirring shaft in a penetrating mode; the second bevel gear on the rotating shaft at one end of the stirring blade is in meshed connection with the corresponding first bevel gear, so that when the stirring shaft and the C-shaped auxiliary rod drive the stirring blade to revolve, the stirring blade rotates, and the material convection and shearing effects are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mixing equipment technical field, especially in warm mix asphalt uses foaming agent mixing device. BACKGROUND

[0002] The foaming agent commonly used in warm mix asphalt mainly divides two categories, one is physical type foaming agent, the most common is water, through high pressure and inject a small amount of water into hot pitch, make it instantaneously expand and form foam, reduce pitch viscosity, another is chemical type foaming agent, such as surfactant, sodium bicarbonate and other chemical preparations;

[0003] Foaming agent in the preparation process, adopt mixing equipment to carry out proportioning mixing of raw materials, such as the existing announcement number CN221267791U discloses a water-based foaming agent is stirred kettle, the application is set up stirring structure, when using, rotating column drives the rotation of the shaft, the sleeve ring fixed on the shaft drives the fixed block, and the fixed block makes the stirring blade rotate, the stirring blade is provided with stirring column on the rotating column, solve the problem that water-based foaming agent cannot be fully stirred evenly, and the stirring time will be very long, but the application only sets up the stirring blade and the stirring column to be horizontally adjustable, and the movement track of the stirring blade and the stirring column in operation is still fixed, easy to form stirring dead angle, difficult to let material global uniform mixing, at the same time, lead to limited shear and dispersion capacity, poor adaptability to high viscosity components or easily agglomerated raw materials, cannot break material caking quickly. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a foaming agent mixing device for warm mix asphalt, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model takes the technical scheme that:

[0006] A foaming agent mixing device for warm mix asphalt, comprising a mixing tank, a plurality of support legs are fixedly connected to the outside of the mixing tank, a discharge valve is fixedly connected to the lower end of the mixing tank, a main control box is fixedly connected to the mixing tank above the support legs, a top cover is fixedly connected to the upper end of the mixing tank, a reduction motor is fixedly connected to the top cover, the reduction motor is electrically connected to the main control box through a connecting line, the output end of the reduction motor extends into the mixing tank through the top cover and is fixedly connected to a stirring shaft, a plurality of C-shaped auxiliary rods are fixedly connected to the outside of the stirring shaft, a plurality of stirring paddles are movably connected between the stirring shaft and the C-shaped auxiliary rods, a hollow cavity is formed in the stirring shaft, a fixed shaft is fixedly connected to the bottom of the mixing tank through a bottom frame, a plurality of first bevel gears are fixedly connected to the outside of the fixed shaft and inserted into the hollow cavity.

[0007] As a further preferred embodiment of the utility model, the stirring shaft outer side is provided with a plurality of grooves, which are used to provide installation base and positioning point for the second shaft seat.

[0008] As a further preferred embodiment of the utility model, the C-shaped auxiliary rod is fixedly connected with a plurality of first shaft seats on one side of the stirring shaft, the first shaft seat is fixedly connected with a first sealing bearing, and the two ends of the C-shaped auxiliary rod are fixedly connected with a hoop, and the hoops at the two ends of the two C-shaped auxiliary rods are respectively inserted into the stirring shaft outer side and fixedly connected with each other, so that the C-shaped auxiliary rod provides installation and rotation conditions for one end of the stirring paddle.

[0009] As a further preferred embodiment of the utility model, the groove is fixedly connected with a second shaft seat, and the second shaft seat is also fixedly connected with a first sealing bearing, so that the stirring paddle can be rotationally connected between the second shaft seat and the first shaft seat, and after one end of the shaft is inserted into the hollow cavity, the second bevel gear can be meshingly connected with the corresponding first bevel gear.

[0010] As a further preferred embodiment of the utility model, the stirring paddle is a perforated plate structure, which can reduce fluid resistance, improve stirring efficiency, and strengthen material shearing and mixing uniformity.

[0011] As a further preferred embodiment of the utility model, the stirring paddle is a perforated plate structure, which can reduce fluid resistance, improve stirring efficiency, and strengthen material shearing and mixing uniformity.

[0012] As a further preferred embodiment of the utility model, the fixed shaft is fixedly connected with a positioning bearing at the upper end, so that when the hollow cavity rotates outside the fixed shaft, the stability of the stirring shaft rotation is improved, and the second sealing bearing is fixedly connected between the lower position in the stirring shaft and the fixed shaft, which can cooperate with the first sealing bearing in the second shaft seat to provide sealing for the hollow cavity, prevent the mixed material from entering the hollow cavity, and ensure the stability of the connection and transmission of the second bevel gear and the first bevel gear.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, two C-shaped auxiliary rods are arranged outside the stirring shaft, a plurality of stirring paddles are rotatably connected between the stirring shaft and the C-shaped auxiliary rod, a fixed shaft is arranged at the bottom of the mixing tank, a plurality of first bevel gears are arranged outside the fixed shaft and inserted into the hollow cavity in the stirring shaft, the second bevel gear on one end of the stirring paddle shaft is meshed and connected with the corresponding first bevel gear, when the stirring shaft and the C-shaped auxiliary rod drive the stirring paddle to revolve, the stirring paddle rotates, the convection and shearing effect of the material is greatly improved, the material can also be up and down, the stirring dead angle is eliminated, and the blowing agent raw material is more uniformly mixed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a main body structure schematic view of the utility model;

[0016] Figure 2 It is a mixing tank sectional view of the utility model;

[0017] Figure 3 It is a stirring shaft and C-shaped auxiliary rod, stirring paddle assembly structure schematic view of the utility model;

[0018] Figure 4 It is a stirring shaft split structure schematic view of the utility model;

[0019] Figure 5 It is a fixed shaft structure schematic view of the utility model;

[0020] Figure 6 It is Figure 3 It is an enlarged view of A in the middle;

[0021] Figure 7 It is a stirring paddle structure schematic view of the utility model.

[0022] In the drawing: 1, mixing tank;2, support leg;3, discharge valve;4, main control box;5, top cover;6, speed reducer motor;7, stirring shaft;8, C-shaped auxiliary rod;9, stirring paddle;10, hollow cavity;11, fixed shaft;12, first bevel gear;13, base frame;14, connecting flange;15, sink;16, clamp;17, first shaft seat;18, second shaft seat;19, first sealing bearing;20, rotating shaft;21, key shaft;22, second bevel gear;23, key groove;24, positioning bearing;25, second sealing bearing. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As Figures 1-7 shown, the utility model provides a kind of foaming agent mixing device for warm mixing asphalt, including mixing tank 1, several support legs 2 are fixedly connected to the outside of mixing tank 1, discharge valve 3 is fixedly connected to the lower end of mixing tank 1, the mixing tank 1 fixedly connected with main control box 4 in the position above support leg 2, mixing tank 1 upper end is fixedly connected with top cover 5, top cover 5 is fixedly connected with speed reducer 6, speed reducer 6 is electrically connected with main control box 4 by connecting line, the output end of speed reducer 6 extends to mixing tank 1 and is fixedly connected with stirring shaft 7 by passing through top cover 5, several C-shaped auxiliary rods 8 are fixedly connected to the outside of stirring shaft 7, several stirring paddles 9 are movably connected between stirring shaft 7 and C-shaped auxiliary rod 8, hollow cavity 10 is opened in stirring shaft 7, fixed shaft 11 is fixedly connected by bottom bracket 13 in the bottom of mixing tank 1, several first bevel gears 12 are fixedly connected to the outside of fixed shaft 11 and are inserted in hollow cavity 10.

[0025] As Figures 3-4 shown, the upper end of stirring shaft 7 is fixedly connected with connecting flange 14, connecting flange 14 and the output end fixed flange of speed reducer 6 are interconnected, several grooves 15 are opened to the outside of stirring shaft 7, to provide installation base and positioning point for second shaft seat 18.

[0026] As Figure 3 shown, several first shaft seats 17 are fixedly connected to the side of C-shaped auxiliary rod 8 relative to stirring shaft 7, first sealing bearing 19 is fixedly connected in first shaft seat 17, hoop 16 is fixedly connected to both ends of C-shaped auxiliary rod 8, and the hoop 16 of both ends of two C-shaped auxiliary rods 8 is inserted in the outside of stirring shaft 7 and is fixedly connected with each other, so that one end of stirring paddle 9 is provided with installation and rotation condition by C-shaped auxiliary rod 8.

[0027] As Figures 3-7As shown, the second shaft seat 18 is fixedly connected in the sink 15, the first sealing bearing 19 is also fixedly connected in the second shaft seat 18, the stirring paddle 9 can be rotatably connected between the second shaft seat 18 and the first shaft seat 17, and one end of the one of the rotating shafts 20 is inserted into the hollow cavity 10, so that the second bevel gear 22 is engaged with the corresponding first bevel gear 12, the stirring paddle 9 is a perforated plate structure, fluid resistance can be reduced, stirring efficiency can be improved, material shearing and mixing uniformity can be strengthened, the rotating shafts 20 are fixedly connected at both ends of the stirring paddle 9, one end of the one of the rotating shafts 20 is fixedly connected with the key shaft 21, the second bevel gear 22 is arranged on the key shaft 21, the key groove 23 is formed in one side of the second bevel gear 22, the second bevel gear 22 is connected on the key shaft 21 through the key groove 23 and is fixed by bolts, one end of the one of the rotating shafts 20 is rotatably connected in the first sealing bearing 19 in the corresponding first shaft seat 17, the other one of the rotating shafts 20 is rotatably connected in the first sealing bearing 19 in the corresponding second shaft seat 18, and the second bevel gear 22 is also engaged with the corresponding first bevel gear 12 through the shaft hole in the inner side of the sink 15, the stirring shaft 7 and the C-shaped auxiliary rod 8 drive the stirring paddle 9 to revolve around the stirring shaft 7 as the axis, and the stirring paddle 9 can also revolve around the stirring shaft 7 as the axis and rotate around the stirring shaft 7 as the axis by the engagement of the second bevel gear 22 and the first bevel gear 12, so that the material convection and shearing effect can be improved, the global mixing uniformity can be strengthened, the stirring dead angle can be eliminated, the mixing time can be shortened, the foaming agent with high viscosity characteristics can be adapted, the positioning bearing 24 is fixedly connected to the upper end of the fixed shaft 11, the hollow cavity 10 is rotatable outside the fixed shaft 11, the stability of the stirring shaft 7 in rotation can be improved, the second sealing bearing 25 is fixedly connected between the lower position in the stirring shaft 7 and the fixed shaft 11, the first sealing bearing 19 in the second shaft seat 18 can provide sealing for the hollow cavity 10, the mixed material can be prevented from entering the hollow cavity 10, and the stability of the connection and transmission of the second bevel gear 22 and the first bevel gear 12 can be ensured.

[0028] It should be noted that the utility model is a foaming agent mixing device for warm mix asphalt, before the preparation of the foaming agent, the feeding port of the top cover 5 on the mixing tank 1 is opened, the physical or chemical foaming agent raw materials for warm mix asphalt are put into the mixing tank 1 according to the proportion, then the top cover 5 is closed, the main control box 4 is started to drive the speed reducer motor 6, and the speed reducer motor 6 drives the stirring shaft 7 to start rotating.

[0029] Thus, when the stirring shaft 7 rotates, the C-shaped auxiliary rod 8 fixed outside the stirring shaft 7 rotates synchronously with the stirring shaft 7 as the axis, at this time, because the fixed shaft 11 fixed by the bottom frame 13 at the bottom of the mixing tank 1 remains stationary, the first bevel gear 12 outside the fixed shaft 11 is always in a fixed state, the second bevel gear 22 on the one end rotating shaft 20 of the stirring paddle 9 is kept engaged with the first bevel gear 12, when the stirring shaft 7 drives the stirring paddle 9 to rotate, the engaged second bevel gear 22 and the first bevel gear 12 generate transmission force, drive the rotating shaft 20 to drive the stirring paddle 9 to rotate, that is, the stirring shaft 7 and the C-shaped auxiliary rod 8 drive the stirring paddle 9 to rotate with the stirring shaft 7 as the axis, while the stirring paddle 9 rotates with the rotating shaft 20 as the axis, the stirring paddle 9 with the hole plate structure can reduce fluid resistance, strengthen the shearing and dispersion effect on the material, quickly break the agglomeration of high-viscosity raw materials, at the same time, when the stirring paddle 9 rotates, the material as a whole convection, the local strong disturbance formed by the rotation and the rotation can make the material surge up and down, eliminate the stirring dead angle in the mixing tank 1.

[0030] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the present application, and various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A foaming agent mixing device for warm mix asphalt, characterized by: The utility model provides a mixing tank, the mixing tank outside fixedly connected with a plurality of support legs (2), the mixing tank (1) lower end fixedly connected with the discharge valve (3), the mixing tank (1) is fixedly connected with the main control box (4) in the position above the support leg (2), the mixing tank (1) upper end fixedly connected with the top cover (5), the top cover (5) is fixedly connected with the reduction motor (6), the reduction motor (6) is electrically connected with main control box (4) through the connecting line, the output of reduction motor (6) passes through top cover (5) and extends to mixing tank (1) inside and is fixedly connected with the stirring shaft (7), the stirring shaft (7) outside fixedly connected with a plurality of C shaped auxiliary rod (8), the stirring shaft (7) with C shaped auxiliary rod (8) between movable connection has a plurality of stirring paddle (9), the hollow cavity (10) is set up in stirring shaft (7), the mixing tank (1) inner bottom is fixedly connected with the fixed shaft (11) through the chassis (13), the fixed shaft (11) outside fixedly connected with a plurality of first bevel gear (12) and is inserted in hollow cavity (10) inside.

2. A foaming agent mixing device for warm mix asphalt according to claim 1, characterized in that: The stirring shaft (7) upper end is fixedly connected with the connecting flange (14), the connecting flange (14) and the output fixed flange of reduction motor (6) are connected with each other, a plurality of sunken grooves (15) are set up in the stirring shaft (7) outside.

3. A foaming agent mixing device for warm mix asphalt according to claim 2, characterized in that: The C shaped auxiliary rod (8) one side fixedly connected with a plurality of first shaft seat (17) relative to the stirring shaft (7), the first shaft seat (17) is fixedly connected with the first sealed bearing (19) in, both ends of C shaped auxiliary rod (8) are fixedly connected with the clamp (16), and the clamp (16) of both ends of two C shaped auxiliary rod (8) is inserted in the stirring shaft (7) outside and is fixedly connected with each other.

4. A foaming agent mixing device for warm mix asphalt according to claim 3, characterized in that: The second shaft seat (18) is fixedly connected in the sunken groove (15), and the first sealed bearing (19) is also fixedly connected in the second shaft seat (18).

5. A foaming agent mixing device for warm mix asphalt according to claim 1, characterized in that: The stirring paddle (9) is the orifice plate structure.

6. A foaming agent mixing device for warm mix asphalt according to claim 4, characterized in that: Both ends of the stirring paddle (9) are fixedly connected with the rotating shaft (20), one end of one of the rotating shafts (20) is fixedly connected with the key shaft (21), the second bevel gear (22) is arranged on the key shaft (21), a key groove (23) is formed in one side of the second bevel gear (22), the second bevel gear (22) is connected on the key shaft (21) by being inserted through the key groove (23) and is fixed by bolts, one end of one of the rotating shafts (20) is rotatably connected in the first sealed bearing (19) in the corresponding first shaft seat (17), the other rotating shaft (20) is rotatably connected in the first sealed bearing (19) in the corresponding second shaft seat (18), and the second bevel gear (22) is also meshedly connected with the corresponding first bevel gear (12) by penetrating the shaft hole in the inner side of the sunken groove (15).

7. A foaming agent mixing device for warm mix asphalt according to claim 1, characterized in that: The fixed shaft (11) upper end is fixedly connected with the locating bearing (24), the second sealed bearing (25) is fixedly connected between the lower position in the stirring shaft (7) and the fixed shaft (11).

Images