CN218249621U - Horizontal double-shaft mixer - Google Patents

Abstract

The utility model discloses a horizontal double-shaft mixer, two spirals on the (mixing) shaft set up a N rabbling arm, be provided with stirring paddle leaf on the rabbling arm, adjacent stirring arm is 45 contained angles on same spiral, and the spiral equidistance sets up on the (mixing) shaft, the rabbling arm of (mixing) shaft uses the solid feed inlet from the agitator casing to the discharge gate direction as the order, and the stirring paddle leaf of the last rabbling arm of every spiral is parallel with the axis of (mixing) shaft, and in addition, the surplus stirring paddle leaf of stirring arm on a spiral is whole to be 45 jiaos of setting with the (mixing) shaft, and the surplus stirring paddle leaf of stirring on another spiral is at least one nevertheless not all to be 45 with the (mixing) shaft and is handed over the setting, and surplus stirring paddle leaf is-45 with the (mixing) shaft. The utility model discloses can make the churning time of material in the agitator prolong than the churning time of current mixer, increase the stirring number of times, improve the homogeneity that the material mixes, still do not increase the manufacturing cost of equipment.

Description

Horizontal double-shaft mixer

Technical Field

The utility model belongs to the technical field of the mixer technique and specifically relates to a horizontal double-shaft mixer is related to.

Background

Horizontal twin-shaft mixers, also known as gravity-free mixers, are widely used in mixing processes for mixing raw materials of different densities, and are often used for mixing asphalt concrete during highway construction.

The working principle of the horizontal double-shaft stirrer is that convection mixing is carried out, two parallel stirring shafts with blades arranged in the horizontal double-shaft stirrer rotate relatively under the driving of a power mechanism, and materials are thrown up under the action of the two stirring shafts and are mixed together in a weightless state.

However, the feeding port and the discharging port of the horizontal double-shaft mixer are respectively arranged at two ends, and the mixing shaft not only mixes the materials uniformly, but also needs to slowly move the materials from the feeding port end to the discharging port end, so that the mixed materials are discharged from the discharging port.

At present, the paddle is all installed according to same order basically on horizontal biax agitator's the (mixing) shaft, though can carry out quick stirring with the material, quick discharge, but the time of material in the agitator is short, and the asphalt concrete homogeneity after the mix is poor to lead to road surface construction quality poor.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at prior art's not enough, provide a horizontal double-shaft mixer, can make the churning time of material in the mixer prolong than the churning time of current mixer, increased the stirring number of times, improved the homogeneity that the material mixes, still do not increase the manufacturing cost of equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a horizontal double-shaft stirrer comprises a stirrer shell and stirring shafts, wherein the stirrer shell is rotatably assembled with two parallel stirring shafts, the upper part of one end of the stirrer shell is provided with a solid feeding hole, and the lower part of the other end of the stirrer shell is provided with a discharging hole;

the double helix sets up a N rabbling arm on the (mixing) shaft, be provided with stirring paddle leaf on the rabbling arm, adjacent rabbling arm is 45 contained angles on same spiral, and the spiral equidistance sets up on the (mixing) shaft, the rabbling arm of (mixing) shaft uses the solid feed inlet from the agitator casing to the discharge gate direction as the order, and the stirring paddle leaf of the last rabbling arm of every spiral is parallel with the axis of (mixing) shaft, and in addition, the remaining stirring paddle leaf of rabbling arm on one spiral is whole to be 45 jiaos with the (mixing) shaft and sets up, and the remaining stirring paddle leaf of stirring on another spiral is at least one nevertheless not all to be 45 handing over with the (mixing) shaft and sets up, and remaining stirring paddle leaf is-45 setting with the (mixing) shaft.

Furthermore, stirring paddle spare is flat, through countersunk bolt detachable setting on the stirring arm, changes new stirring paddle spare after the later stage stirring paddle spare wearing and tearing of being convenient for.

Furthermore, be provided with the pitch inlet pipe on the agitator casing by solid feed inlet, pitch inlet pipe and (mixing) shaft mutually perpendicular.

Furthermore, bearing seats for mounting two stirring shafts are arranged on two sides of the stirrer shell.

Further, a driving assembly is arranged beside the bearing seat.

Furthermore, the drive assembly, including driving motor, speed reducer and synchronous gear group, synchronous gear group is provided with two intermeshing's synchronizing gear, driving motor connects the speed reducer, one of them synchronizing gear is connected to the speed reducer, two synchronizing gear of synchronous gear group pass through the shaft coupling and connect two (mixing) shafts respectively, for the rotation of two (mixing) shafts provides power, lets one of two (mixing) shafts press the clockwise rotation, and another presses the anticlockwise rotation.

The utility model discloses a horizontal double-shaft mixer, a stirring for asphalt concrete, the aggregate gets into the agitator casing from the solid feed inlet, pitch enters into the agitator casing through the pitch inlet pipe in, mix under the stirring of (mixing) shaft, double-spiral several stirring arm drives stirring paddle leaf and stirs aggregate and pitch on the (mixing) shaft, because stirring paddle leaf is different with the angle that sets up of (mixing) shaft, most stirring paddle leaf that is 45 and sets up stirs aggregate and pitch to the discharge gate direction, the small part stirring paddle leaf that is-45 sets up turns aggregate and pitch reverse, turn to the solid feed inlet direction promptly, just also prevent aggregate and pitch to remove to the discharge gate direction, however, because the quantity that is-45 stirring paddle leaf that sets up is less than and is 45 the paddle that sets up, aggregate and pitch general flow direction still are from the solid feed inlet to the discharge gate removal, just so let aggregate and pitch stirring time ratio all be the stirring paddle leaf syntropy's current double-shaft stirring time length, the stirring number has been increased, promptly it is higher with pitch mixing uniformity, it is better to produce the quality of asphalt concrete after mixing.

The utility model has the advantages that:

1. the utility model discloses a horizontal double-shaft mixer through the different angle settings of stirring paddle leaf with the (mixing) shaft, can let the time that the material dwelled in the mixer longer, has increased the stirring number of times to let material mixing more even, stirring effect is better.

2. The utility model discloses a horizontal double-shaft mixer does not increase spare part, does not increase the manufacturing cost of equipment.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the stirring shaft of the present invention.

Fig. 3 is a schematic structural view of the utility model after straightening the double-helix stirring shaft with stirring blades on the stirring shaft.

In the figure: 1. a mixer housing; 2. a stirring shaft; 21. a stirring arm; 22. a stirring blade; 3. a bearing seat; 4. a drive assembly; 41. a motor; 42. a speed reducer; 43. a synchronous gear set.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in figure 1, a horizontal double-shaft mixer comprises a mixer shell 1 and a mixer shaft 2, wherein the mixer shell 1 is rotatably provided with two mixer shafts 2 which are parallel to each other, a solid feeding hole is formed in the upper part of one end of the mixer shell 1, an asphalt feeding pipe is arranged beside the solid feeding hole on the mixer shell 1, the asphalt feeding pipe is vertical to the mixer shafts 2, and a discharging hole is formed below the other end of the mixer shell 1. The both sides of agitator casing 1 are provided with the bearing frame 3 of two (mixing) shafts 2 of installation, the next door of a bearing frame 3 is provided with drive assembly 4, including driving motor 41, speed reducer 42 and synchronous gear group 43, synchronous gear group 43 is provided with two intermeshing's synchronizing gear, driving motor 41 connects speed reducer 42, one of them synchronizing gear is connected to speed reducer 42, two synchronizing gear of synchronous gear group 43 pass through the shaft coupling and connect two (mixing) shafts 2 respectively, provide power for the rotation of two (mixing) shafts 2, let two (mixing) shafts 2 press clockwise rotation, another presses anticlockwise rotation.

As shown in fig. 2 and 3, 19 stirring arms 21 are arranged on the stirring shaft 2 in a double helix manner, the stirring arms 21 are cylindrical, are welded on the stirring shaft 2 and are made of carbon steel, one stirring blade 22 is arranged on each stirring arm 21, each stirring blade 22 is flat-shaped and is made of a thick carbon steel plate, and are detachably arranged on each stirring arm 21 through two M16 countersunk head bolts, so that a new stirring blade 22 can be replaced after the later-stage stirring blades 22 are worn, the adjacent stirring arms 21 on the same spiral of the double helix form an included angle of 45 degrees, the spirals are equidistantly arranged on the stirring shaft 2, the stirring arms 21 of the stirring shaft 2 are arranged in sequence from a solid feeding port to a discharging port of the stirrer shell 1, the stirring blade 22 of the last stirring arm 21 (namely, the 19 th) of each spiral is parallel to the axial line of the stirring shaft 2, in addition, the stirring blades 21 (namely, the 1 st to 18 th) on the first spiral are all arranged at an angle of 45 degrees with the stirring shaft 2, the stirring blades 21 (namely, the 302 (namely, the blades 21, namely, the blades 18 th, 8217, are arranged at an even number, 8217, and the stirring blades (namely, 8217, 3017) are arranged at an even number.

The utility model relates to a horizontal double-shaft mixer, the stirring paddle leaf of the double-screw last rabbling arm of (mixing) shaft dials the asphalt concrete of stirring to the discharge gate, the stirring paddle leaf of surplus rabbling arm on the (mixing) shaft spiral turns the aggregate and the pitch that will prepare asphalt concrete from solid feed inlet to discharge gate direction, the stirring paddle leaf of surplus odd number position rabbling arm on the (mixing) shaft spiral two turns aggregate and pitch from solid feed inlet to discharge gate direction, the stirring paddle leaf of the rabbling arm of even number position turns aggregate and pitch from solid feed inlet to solid feed inlet direction, the speed that aggregate and pitch removed to discharge gate direction has been hindered, the churning time has been prolonged, the stirring number of times has been increased, because the quantity of the stirring paddle of the rabbling arm of even number position of (mixing) shaft spiral two is less, therefore, the holistic direction of motion such as aggregate and pitch is still from solid feed inlet to the discharge gate, therefore, the homogeneity of stirring out asphalt concrete is very good, high quality.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (6)

1. The utility model provides a horizontal double-shaft mixer which characterized in that: the stirrer comprises a stirrer shell (1) and stirring shafts (2), wherein the stirrer shell (1) is rotatably assembled with the two stirring shafts (2) which are parallel to each other, a solid feeding hole is formed in the upper part of one end of the stirrer shell (1), and a discharging hole is formed in the lower part of the other end of the stirrer shell (1);

the stirring shaft (2) is provided with N stirring arms (21) in a double-helix manner, stirring blades (22) are arranged on the stirring arms (21), adjacent stirring arms (21) on the same helix form a 45-degree included angle, the equal distance between the helices is arranged on the stirring shaft (2), the stirring arms (21) of the stirring shaft (2) are arranged in sequence from a solid feeding hole to a discharging hole of the stirrer shell (1), the stirring blades (22) of the last stirring arm (21) of each helix are parallel to the axis of the stirring shaft (2), besides, all the residual stirring blades (22) of the stirring arm (21) on one helix are arranged at a 45-degree angle with the stirring shaft (2), at least one residual stirring blade (22) on the other helix is arranged in a 45-degree intersection manner with the stirring shaft (2) but not all, and the residual stirring blades (22) and the stirring shaft (2) are arranged at an angle of-45 degrees.

2. The horizontal twin-shaft mixer according to claim 1, wherein: the stirring paddle (22) is flat and is detachably arranged on the stirring arm (21) through a countersunk head bolt.

3. The horizontal twin-shaft mixer according to claim 1, wherein: the utility model discloses a solid feed inlet, including agitator casing (1), the other pitch inlet pipe that is provided with of solid feed inlet on agitator casing (1), pitch inlet pipe and (mixing) shaft (2) mutually perpendicular.

4. The horizontal twin-shaft mixer according to claim 1, wherein: and bearing seats (3) for mounting the two stirring shafts (2) are arranged on two sides of the stirrer shell (1).

5. The horizontal twin-shaft mixer according to claim 4 wherein: and a driving assembly (4) is arranged beside one bearing seat (3).

6. The horizontal twin-shaft mixer according to claim 5 wherein: drive assembly (4), including driving motor (41), speed reducer (42) and synchronous gear group (43), synchronous gear group (43) are provided with two intermeshing's synchronizing gear, speed reducer (42) is connected in driving motor (41), one of them synchronizing gear is connected in speed reducer (42), two synchronizing gear of synchronous gear group (43) pass through the shaft coupling and connect two (mixing) shafts (2) respectively.

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