CN110116457A - A kind of concrete batch plant - Google Patents

Abstract

The invention discloses a kind of concrete batch plants, its key points of the technical solution are that: including blender ontology, feed inlet is offered above blender ontology, it is located at below feed inlet in the blender ontology and is provided with the centrifugation detrainment device evacuated to raw material, annular mixing chamber is provided with around the centrifugation detrainment device, the assisting agitating apparatus that dispersed material is mixed is provided in annular mixing chamber, bottom is provided with and communicated with feeding chamber in the annular mixing chamber, feeding chamber one end offers discharge port, the feeding device for driving concrete to be discharged from discharge port is provided in feeding chamber；Being centrifuged detrainment device includes the striker plate that blender ontology is arranged in and is located at below feed inlet, and is erected at the driving motor that striker plate rotation is driven in annular mixing chamber.The invention has the advantages that improving the stirring efficiency of concrete batch plant.

Description

A kind of concrete mixing equipment

technical field

The invention relates to the field of concrete mechanical equipment, in particular to a concrete mixing equipment.

Background technique

A concrete mixer is a machine that mixes cement, sand and gravel aggregates and water and mixes them into concrete mixtures. It is mainly composed of mixing drum, feeding and unloading mechanism, water supply system, prime mover, transmission mechanism, frame and supporting device. According to the nature of the work, it can be divided into batch type (batch type) and continuous type; according to the stirring principle, it can be divided into self-falling type and forced type; according to the installation method, it can be divided into fixed type and mobile type; According to the structure of the mixing drum, it can be divided into pear type, drum type, double cone type, disc vertical shaft type and circular groove horizontal shaft type.

Publication number is that the Chinese invention patent of CN107571395A discloses a kind of concrete mixer that is convenient to open and clean. It includes a concrete mixer body, the right side of the concrete mixer body is fixedly connected with a motor and a protective cover, the motor is located inside the protective cover, and the output end of the motor is fixedly connected with a rotating shaft through a coupling. The interior of the concrete mixer body is provided with stirring blades.

The concrete mixer needs to transport raw materials into the concrete mixer body, and the motor drives the stirring blades to stir the raw materials in the concrete mixer body. In order to fully mix and stir the raw materials, it is necessary to ensure a long stirring time so that uneven mixing is not easy to occur.

Contents of the invention

The object of the present invention is to provide a concrete mixing equipment, which has the advantage of improving the mixing efficiency of the concrete mixing equipment.

Above-mentioned technical purpose of the present invention is achieved through the following technical solutions:

A kind of concrete mixing equipment, comprising a mixer body, a feed inlet is opened above the mixer body, a centrifugal evacuation device for evacuating raw materials is arranged in the mixer body below the feed inlet, and surroundings of the centrifugal evacuation device are arranged There is an annular mixing chamber, and an auxiliary stirring device for mixing and stirring the dispersed materials is arranged in the annular mixing chamber. The bottom of the annular mixing chamber is connected with a feeding chamber, and one end of the feeding chamber is provided with an outlet. The material chamber is equipped with a material conveying device that drives the concrete to be discharged from the material outlet;

The centrifugal evacuation device includes a material baffle plate arranged under the feed inlet of the mixer body, and a drive motor installed in the annular mixing chamber to drive the material baffle plate to rotate.

Through the above technical scheme, the raw materials of the concrete will enter the mixer body through the feeding port above the mixer body. Since the same kind of raw materials enter the mixer body, the accumulation of the same material will be caused, thereby affecting the mixing time. In the present invention, the material enters the mixer body, and the driving motor drives the baffle plate to rotate, so that the material is evenly thrown into the ring-shaped mixing chamber after contacting the baffle plate, so that the material is dispersed more evenly, and then passed through the auxiliary stirring device , the materials in each area in the annular mixing chamber are stirred in different regions. Due to the dispersion of the materials, the mixing efficiency is also improved and the stirring time is reduced. The stirred materials fall into the feeding chamber, and after the final feeding The mixing and conveying of the material device, the material is discharged from the discharge port, and the final concrete mixing is completed.

The present invention is further configured as follows: a support frame fixedly connected with the material retaining plate is provided under the material retaining plate, and a speed regulating mechanism for adjusting the conveying speed of the material is provided on the edge of the material retaining plate, and the speed regulating mechanism includes a Several position adjustment plates at the edge of the material baffle, and the first driving assembly arranged in the support frame to drive several position adjustment plates and the material baffle to rotate, and to adjust the gap between the material baffle and the inner wall of the mixer body. The motor is erected vertically in the middle of the annular mixing chamber, and the output shaft of the driving motor is fixedly connected with the support frame.

Through the above technical scheme, the driving motor drives the material baffle to rotate, so that with the rotation of the material baffle, the materials that are in contact with the material baffle are thrown into the annular mixing chamber. The materials can be fully stirred, and the setting of the speed regulating mechanism can adjust the amount of materials entering the annular mixing chamber, so that the materials in the annular mixing chamber can be fully mixed. Through the work of the first driving component, the rotation between the positioning plate and the baffle plate is driven, thereby adjusting the gap between the positioning plate and the inside of the mixer body, thereby affecting the speed at which the material enters the annular mixing chamber, which is convenient Regulate the stirring speed in the annular mixing chamber.

The present invention is further set as follows: the first driving assembly includes a servo motor fixed above the support frame, a screw coaxially fixed to the output shaft of the servo motor, a nut threadedly connected with the screw rod, and several Driving rods, the number of the driving rods corresponds to the number of the positioning plates one by one, one end of the driving rods is hinged on the lower surface of the positioning plate, and the other end of the driving rods is hinged on the peripheral surface of the nut.

Through the above technical solution, the servo motor works to drive the screw to rotate. Since the end of the driving rod is limited by the position adjustment plate, it drives the threaded connection between the nut and the screw, so that the nut slides along the length direction of the screw, making the adjustment Rotation occurs between the positioning plate and the baffle plate, thereby adjusting the size of the gap between the positioning plate and the inner wall of the mixer body. The first driving assembly has a simple structure and is convenient for maintenance.

The present invention is further configured as follows: the upper surface of the material retaining plate is fixedly connected with several dials for moving the materials.

Through the above technical scheme, when the material baffle plate is rotating, it drives the dial to rotate, so that when the material falls above the material baffle plate, the dial can move the material into the annular mixing chamber, which improves the efficiency of the material. Toggle efficiency.

The present invention is further configured as follows: several rotating shafts are vertically arranged in the annular mixing chamber, and the rotating shafts are rotationally connected with the mixer body, and a first helical blade is coaxially fixed on the peripheral surface of each rotating shaft. The top of the rotating shaft is provided with a second driving assembly that simultaneously drives several rotating shafts to rotate simultaneously.

Through the above technical scheme, after the material enters the annular mixing chamber, the second drive assembly drives all the rotating shafts to rotate, so that the first helical blade on the rotating shaft can mix and stir the materials in the annular mixing chamber, thereby improving the circular mixing chamber. Material mixing efficiency in the mixing chamber.

The present invention is further configured as follows: the second drive assembly includes gears coaxially fixed on the upper end of each rotating shaft, the gears mesh with each other, a second motor is fixed on the mixer body, and the output shaft of the second motor is connected to the A rotating shaft is coaxially fixed.

Through the above technical solution, the second motor starts to drive one of the rotating shafts to rotate, and through the mutual meshing between the gears, drives the rest of the rotating shafts to rotate, and makes all the first helical blades to carry out the material in the annular mixing chamber. For mixing and stirring, the rotation of all rotating shafts can be realized through the independent work of the second motor, thereby reducing energy consumption and improving maintenance efficiency.

The present invention is further provided that: the bottom of the annular mixing chamber is communicated with a gathering hopper, and the bottom of the gathering hopper communicates with the feeding chamber.

Through the above technical solution, the setting of the gathering hopper can centrally collect the materials in each area in the annular mixing chamber, thereby facilitating the centralized mixing and processing of the materials.

The present invention is further provided that: the inner peripheral surface of the gathering hopper is fixedly connected with a second helical blade along the height direction of the gathering hopper.

Through the above technical solution, the second helical blade is arranged on the inner peripheral surface of the gathering hopper, thereby playing an auxiliary role in receiving the materials in the annular mixing chamber and slowing down the falling speed of the materials from the annular mixing chamber. Moreover, when the material flows downward in the aggregate hopper, the second helical blade also slows down the flow velocity of the material, which helps to fully mix the concrete.

The present invention is further configured as follows: the middle part of the gathering hopper is provided with a mixing mechanism for mixing the polymerized materials, the mixing mechanism includes an active motor erected in the middle of the annular mixing chamber, the active motor is vertically arranged, and the active motor A connecting shaft is fixedly connected to the output shaft coaxially, and several stirring blades are fixedly connected to the peripheral surface of the connecting shaft.

Through the above technical scheme, when the materials in the annular mixing chamber flow into the gathering hopper, the active motor starts to drive the connecting shaft to rotate, so that the stirring blades can stir the materials in the gathering hopper, and the materials will flow smoothly during the stirring process. Flowing downward from the helical direction of the second helical blade, due to the setting of the second helical blade, the flow speed of the material is slowed down, thereby improving the mixing efficiency of the material.

The present invention is further configured as follows: the conveying mechanism includes a conveying shaft arranged in the conveying chamber, the conveying shaft is arranged along the length direction of the conveying chamber, and is rotatably connected with the inner wall of the conveying chamber, and the end of the conveying shaft is away from the conveying port The third motor for driving the conveying shaft to rotate is arranged on the upper part, and the third helical blade is fixedly connected to the peripheral surface of the conveying shaft.

Through the above technical scheme, when the concrete flows into the feeding chamber, the third motor works to drive the conveying shaft to rotate, so that the third helical blade stirs in the feeding chamber, thereby driving the concrete to the conveying chamber while stirring in the feeding chamber. Convey in the direction of the feeding port, and discharge the concrete from the feeding port.

In summary, the present invention has the following beneficial effects:

1. Improve the mixing efficiency. Through the rotation of the baffle plate, the materials are evenly dispersed in the annular mixing chamber, and the materials in the annular mixing chamber are stirred by the first helical blade, thereby improving the mixing efficiency of concrete;

Second, the feeding speed of the material is controlled. The servo motor works to drive the screw to rotate. Since the end of the driving rod is limited by the position adjustment plate, it drives the threaded connection between the nut and the screw, so that the nut slides along the length of the screw, so that the position adjustment plate and the stopper Rotation occurs between the plates, thereby adjusting the size of the gap between the adjusting plate and the inner wall of the mixer body, and adjusting the speed at which the material enters the annular mixing chamber.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the concrete mixing plant;

Fig. 2 is a schematic diagram showing the internal structure of the mixer body;

Fig. 3 is an enlarged view of detail A in Fig. 2;

Fig. 4 is a state diagram reflecting the operation of the speed regulating mechanism;

Fig. 5 is a schematic structural diagram embodying the second drive assembly.

In the figure, 1. mixer body; 11. feed inlet; 12. fixed pipe; 121. first support plate; 123. second support plate; 13. connecting rod; 14. annular mixing chamber; 15. supporting tray; 2. Feed hopper; 21. Connecting port; 3. Gathering hopper; 31. Support column; 32. Second spiral blade; 4. Conveyor chamber; 41. Discharge port; 5. Centrifugal evacuation device; 51. Drive motor ;52, support frame; 521, fixed plate; 522, support rod; 53, retaining plate; 54, dial plate; 55, speed regulating mechanism; 551, position adjustment plate; ; 5522, screw rod; 5523, nut; 5524, drive rod; 6, auxiliary stirring device; , mixing mechanism; 71, active motor; 72, connecting shaft; 73, stirring blade; 8, feeding mechanism; 81, third motor; 82, conveying shaft; 83, third spiral blade.

Detailed ways

A kind of concrete mixing equipment, as shown in Figure 1, includes a cylindrical mixer body 1, the middle part of the upper surface of the mixer body 1 is provided with a feed port 11 (here shown in Figure 2), and the top of the mixer body 1 is provided with a The mixer body 1 communicates with the feeding hopper 2, and the mixer body 1 is provided with a gathering hopper 3 communicating with the mixer body 1, and the gathering hopper 3 is provided with a material delivery chamber 4 communicating with the gathering hopper 3. Four supporting columns 31 for supporting the mixer body 1 are vertically provided on the surrounding surface of the gathering hopper 3 .

As shown in Figure 1, the top of the feed hopper 2 is sealed, and the upper surface of the feed hopper 2 is provided with four communication ports 21 for connecting different materials, so that the materials after matching are conveniently poured into the mixer body 1 Inside.

As shown in Figure 2, a fixed tube 12 coaxial with the mixer is arranged in the mixer body 1, and several connecting rods 13 are arranged between the fixed tube 12 and the inner wall of the mixer body 1, and the two ends of the connecting rod 13 are connected with the mixer respectively. The inner wall of the main body 1 is fixedly connected with the outer wall of the fixed pipe 12 , so that an annular mixing chamber 14 is formed in the mixer main body 1 . The upper port of the fixed pipe 12 is provided with a pair of centrifugal evacuation devices 5 for evacuating the materials entering from the feed port 11 .

As shown in FIG. 3 , a first support plate 121 is fixed horizontally on the inner wall of the fixed pipe 12 . The above-mentioned centrifugal evacuation device 5 comprises a drive motor 51 vertically fixed on the upper surface of the first support plate 121, the drive motor 51 is coaxially arranged with the mixer body 1, and a support frame 52 is fixedly connected to the output shaft of the drive motor 51, the support frame A baffle plate 53 is fixedly connected above the 52 . The support frame 52 includes a fixed plate 521 vertically fixed to the output shaft of the drive motor 51, and several support rods 522 vertically fixed on the upper surface of the fixed plate 521. The other end of the support rod 522 is fixed to the bottom surface of the material retainer 53 connect. The baffle plate 53 is an arc-shaped plate protruding from the middle part toward the feed port 11 of the mixer body 1. When the material enters the interior of the mixer body 1 through the feed hopper 2, the driving motor 51 starts to drive the material baffle plate 53 to rotate. Therefore, when the material touches the baffle plate 53, it will be thrown into the annular mixing chamber 14 by the baffle plate 53. Since the material baffle plate 53 is arc-shaped, it can drain the material. And the upper surface of the material retaining plate 53 is also vertically fixed with four dials 54, and the dials 54 are evenly distributed on the upper surface of the material retaining plate 53 with the center of the material retaining plate 53 as the center of circle. When the baffle plate 53 rotates, it drives the dial 54 to rotate at a high speed, thereby increasing the area in contact with the material, improving the efficiency of the material entering the annular mixing chamber 14, and making the material enter the annular mixing chamber 14 more uniform inside.

As shown in FIG. 3 and FIG. 4 , the support frame 52 is also provided with a speed regulating mechanism 55 for controlling the flow rate of the material entering the annular mixing chamber 14 . The speed regulating mechanism 55 includes six positioning plates 551 arranged on the edge of the material retaining plate 53. The positioning plates 551 are evenly arranged on the peripheral surface of the positioning plate 551 and are hinged with the material retaining plate 53. The positioning plates 551 The radian of inclination is the same as the inclination tendency of the material retaining plate 53, and the hinge axis of the positioning plate 551 and the material retaining plate 53 and the output shaft of the driving motor 51 are perpendicular to each other. The fixing plate 521 is also provided with a first drive assembly 552 that drives the position adjusting plate 551 to swing and is used to adjust the gap between the position adjusting plate 551 and the inner wall of the mixer body 1 .

As shown in Figure 3 and Figure 4, the first driving assembly 552 includes a servo motor 5521 vertically fixed on the upper surface of the fixed plate 521, the output shaft of the servo motor 5521 is coaxially arranged with the output shaft of the driving motor 51, and the servo motor 5521 A screw 5522 is coaxially fixed to the output shaft of the screw rod 5522, and a nut 5523 is threaded on the screw 5522. Several driving rods 5524 are arranged on the peripheral surface of the nut 5523. One end of the rod 5524 is hinged to the screw rod 5522 , and the other end of the driving rod 5524 is hinged to the bottom surface of the positioning plate 551 . The staff can drive the screw rod 5522 to rotate through the work of the servo motor 5521; the nut 5523 slides along the length direction of the screw rod 5522 under the limit of the driving rod 5524, thereby driving the position adjustment plate 551 and the material blocking plate 53 to rotate before. When the positioning plate 551 swings upward, the gap between the mixer body 1 and the positioning plate 551 will be reduced, thereby reducing the speed at which the material enters the annular mixing chamber 14, so that the material in the annular mixing chamber 14 can be adjusted according to the actual situation. Mixing efficiency of concrete materials. The upper port of the fixed pipe 12 is also fixedly connected with an annular retaining pipe, and the area of the upper port of the retaining pipe is smaller than the area of the upper port of the fixed pipe 12, thereby reducing the possibility that the material enters the fixed pipe 12.

As shown in FIG. 2 , a second helical blade 32 is fixedly attached to the inner wall of the gathering hopper 3 , and the second helical blades 32 are evenly arranged along the height direction of the gathering hopper 3 . The arrangement of the second helical blade 32 plays an auxiliary supporting role for the materials in the annular mixing chamber 14 . An auxiliary stirring device 6 for mixing and stirring the materials is arranged in the annular mixing chamber 14 . The auxiliary stirring device 6 includes several rotating shafts 61 vertically arranged in the annular mixing chamber 14, the rotating shafts 61 are evenly distributed along the annular direction of the annular mixing chamber 14, and the upper ends of the rotating shafts 61 pass through the outer wall of the mixer body 1 And it is connected to the outer wall of the mixer body 1 in rotation; the peripheral surface of the rotating shaft 61 is fixedly connected with the first helical blade 62 along the length direction of the rotating shaft 61, and the top of the rotating shaft 61 is provided with a second driving assembly that drives all the rotating shafts 61 to rotate 63 (shown here in Figure 5).

As shown in Figures 2 and 5, the mixer body 1 is provided with an annular support tray 15 around the feeding port 11, the support tray 15 is coaxially arranged with the mixer body 1, and the support tray 15 is fixedly connected to the outer wall of the mixer body 1. The upper end of the rotating shaft 61 penetrates into the bottom wall of the supporting tray 15 and is rotatably connected with the bottom wall of the supporting tray 15 . The second driving assembly 63 includes gears 631 coaxially fixed on the rotating shaft 61 , the gears 631 are located in the supporting tray 15 , and adjacent gears 631 mesh with each other. A second motor 632 is arranged above the supporting tray 15, and the second motor 632 is vertically arranged and fixed on the outer wall of the mixer body 1, and the output shaft of the second motor 632 is coaxially fixed to one of the rotating shafts 61 . When the auxiliary stirring device 6 was working, the second motor 632 started to drive the rotating shaft 61 fixedly connected with the second motor 632 to rotate, so that the gear 631 on the rotating shaft 61 was rotated, and through the mutual meshing between the gear 631 and the gear 631, Therefore, all the rotating shafts 61 in the annular mixing chamber 14 are driven to rotate, so that the first helical blade 62 can mix and stir the materials in the annular mixing chamber 14 . Due to the work of the centrifugal evacuation device 5, the concrete material is evenly distributed into the annular mixing chamber 14, so that the material distribution is more dispersed, the pressure of mixing is reduced, and the mixing efficiency of each area is improved. With the rotation of the first helical blade 62, the material in the annular mixing chamber 14 is driven to slowly displace from the gap of the second helical blade 32 into the gathering hopper 3, so that the material is gathered together.

As shown in FIG. 2 , a mixing mechanism 7 for mixing and stirring the materials entering the gathering hopper 3 is provided in the middle of the gathering hopper 3 . The inner wall of the fixed pipe 12 is horizontally fixed with a second support plate 123, and the above-mentioned mixing mechanism 7 includes an active motor 71 vertically fixed on the upper surface of the second support plate 123, the active motor 71 is coaxially arranged with the mixer body 1, and the active The output shaft of the motor 71 passes through the second support plate 123 , and the output shaft of the driving motor 71 is coaxially fixed with a connecting shaft 72 , and several stirring blades 73 are fixed on the peripheral surface of the connecting shaft 72 . When the concrete material enters the gathering hopper 3, the active motor 71 drives the connecting shaft 72 to rotate, so that the stirring blade 73 stirs the material in the gathering hopper 3, and the material in the gathering hopper 3 will follow the direction of the second helical blade 32. The spiral direction gathers towards the lower port of the gathering hopper 3 and enters into the material delivery chamber 4, thereby prolonging the time for mixing the materials and improving the efficiency of mixing the materials.

As shown in FIG. 2 , a delivery mechanism 8 for delivering materials is provided in the delivery cavity 4 . The material delivery chamber 4 is a circular barrel arranged horizontally. One end of the material delivery chamber 4 is provided with a discharge port 41. The above-mentioned material delivery mechanism 8 includes a third motor 81 fixedly connected to the end of the material delivery chamber 4 away from the discharge port 41. , the output shaft of the third motor 81 is coaxially arranged with the material delivery chamber 4, and the output shaft of the third motor 81 penetrates into the material delivery chamber 4, and the output shaft of the third motor 81 is coaxially connected with a delivery shaft 82 for conveying The length of the shaft 82 is equal to the length of the feeding chamber 4, and a third helical blade 83 is fixedly connected to the peripheral surface of the conveying shaft 82. The third helical blade 83 is evenly arranged on the conveying shaft 82. The third helical blade 83 The diameter of the outer peripheral surface is equal to the diameter of the inner wall of the feeding chamber 4 . When the third motor 81 is started, it drives the third helical blade 83 to rotate, so that the material entering the material delivery chamber 4 moves toward the direction of the discharge port 41, and the material is also a stirring process during the movement, so that the concrete Stir more fully.

Working process: firstly, the material enters the mixer body 1 through the feed hopper 2. At this time, the driving motor 51 starts to drive the material retaining plate 53 to rotate. When the material is in contact with the material retaining plate 53, the material will be evenly thrown into the ring In the mixing chamber 14, start the second motor 632 to drive one of the rotating shafts 61 to rotate, and through the screw connection between the gears 631, all the rotating shafts 61 are driven to rotate, and the first helical blade 62 is connected to the annular mixing chamber. The material in 14 is mixed and stirred, and then the stirred material enters into the gathering hopper 3, and then the active motor 71 starts to drive the connecting shaft 72 to rotate, so that the stirring blade 73 fully stirs the material in the gathering hopper 3, and then the material After entering the material delivery chamber 4, the third motor 81 drives the third helical blade 83 to rotate, so that the material is driven by the third helical blade 83 to move safely to the discharge port 41 of the material delivery chamber 4.

This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications to this embodiment without creative contribution as required after reading this specification, but as long as they are within the rights of the present invention All claims are protected by patent law.

Claims (10)

1. a kind of concrete batch plant, including blender ontology (1), blender ontology (1) top offers feed inlet (11), The centrifugation evacuated to raw material is provided with it is characterized in that: being located at below feed inlet (11) in the blender ontology (1) Detrainment device (5) is provided with annular mixing chamber (14) around the centrifugation detrainment device (5), is set in annular mixing chamber (14) It is equipped with the assisting agitating apparatus (6) that dispersed material is mixed, the interior bottom connection setting of annular mixing chamber (14) Have feeding chamber (4), feeding chamber (4) one end offers discharge port (41), is provided in feeding chamber (4) and drives concrete from discharge port (41) feeding device being discharged；

Centrifugation detrainment device (5) is located at the striker plate (53) below feed inlet (11) in blender ontology (1) including being arranged, and It is erected at the driving motor (51) of driving striker plate (53) rotation in annular mixing chamber (14).

2. a kind of concrete batch plant according to claim 1, it is characterized in that: being provided with below the striker plate (53) One support frame (52) being fixedly connected with striker plate (53), the edge of the striker plate (53), which is provided with, adjusts material conveying speed Speed adjusting gear (55), the speed adjusting gear (55) includes being hinged on several position adjustable boards (551) of striker plate (53) edge, And setting drives in the support frame (52) several position adjustable boards (551) and striker plate (53) to rotate, adjustment striker plate (53) with First driving assembly (552) in gap between blender ontology (1) inner wall, it is mixed that the driving motor (51) is erected at annular vertically Expect the middle part of chamber (14), the output shaft of the driving motor (51) is fixedly connected with support frame (52).

3. a kind of concrete batch plant according to claim 3, it is characterized in that: first driving assembly (552) wraps The servo motor (5521) being fixed on above support frame (52) is included, with the coaxial affixed screw rod of servo motor (5521) output shaft (5522), the nut (5523) being threadedly coupled with screw rod (5522), and setting is in several drivings of nut (5523) circumferential surface Bar (5524), drive rod (5524) quantity and position adjustable board (551) quantity correspond, one end of the drive rod (5524) It is hinged on the lower surface of position adjustable board (551), the other end of drive rod (5524) is hinged on the circumferential surface of nut (5523).

4. a kind of concrete batch plant according to claim 1, it is characterized in that: the upper surface of the striker plate (53) is solid It is connected to several shift plates (54) stirred to material.

5. a kind of concrete batch plant according to claim 1, it is characterized in that: vertical in the annular mixing chamber (14) Several rotation axis (61) are provided with, rotation axis (61) and blender ontology (1) are rotatablely connected, the circumferential surface of each rotation axis (61) On be coaxially connected with the first helical blade (62), be provided with above the rotation axis (61) while driving several rotation axis (61) the second driving assembly (63) rotated simultaneously.

6. a kind of concrete batch plant according to claim 5, it is characterized in that: second driving assembly (63) includes It is coaxially fixed in the gear (631) of each rotation axis (61) upper end, gear is intermeshed between (631), on blender ontology (1) It is connected with the second motor (632), the output shaft and one of rotation axis (61) of the second motor (632) are coaxial affixed.

7. a kind of concrete batch plant according to claim 1, it is characterized in that: the bottom in the annular mixing chamber (14) Portion is provided with and communicated with a surge hopper (3), and the bottom and feeding chamber (4) of surge hopper (3) are interconnected.

8. a kind of concrete batch plant according to claim 7, it is characterized in that: on the inner peripheral surface of the surge hopper (3) The second helical blade (32) are connected with along the short transverse of surge hopper (3).

9. a kind of concrete batch plant according to claim 8, it is characterized in that: the middle part of the surge hopper (3) is arranged There is the mixing mechanism (7) mixed to the material after polymerization, mixing mechanism (7) includes being erected in the middle part of annular mixing chamber (14) Active motor (71), active motor (71) is vertically arranged, and the output shaft of active motor (71) is coaxially connected with connecting shaft (72), Several stirring blades (73) are connected on the circumferential surface of connecting shaft (72).

10. a kind of concrete batch plant according to claim 1, it is characterized in that: the feeding unit (8) includes setting Conveying axis (82) in feeding chamber (4), conveying axis (82) are laid along the length direction of feeding chamber (4), and interior with feeding chamber (4) Wall rotation connection, conveying axis (82) are provided with the third motor (81) of driving conveying axis (82) rotation away from the end of conveying mouth, Third helical blade (83) are connected on the circumferential surface of conveying axis (82).