An environmentally friendly mixing equipment and mixing method for concrete processing.

Abstract

This invention relates to the field of civil engineering, specifically to an environmentally friendly mixing equipment and method for concrete processing. The equipment includes a shell, a first mixing device, a second mixing device, and a discharge control device. The first mixing device comprises a stirring rod, a first movable plate, and a second movable plate. Two first movable plates are horizontally slidably disposed within the first mixing device. These plates move reciprocally towards or away from each other as the first mixing device reciprocates. The second movable plate is rotatably disposed within the first mixing device, with a lower height than the first movable plates. The second movable plate rotates when the first mixing device moves downwards. This invention ensures that all materials entering the second mixing device undergo a single mixing process and prevents new materials from being input into the second mixing device during operation, thus ensuring its mixing function is not affected.

Description

Technical Field

[0001] This invention relates to the field of civil engineering, specifically to an environmentally friendly mixing equipment and mixing method for concrete processing. Background Technology

[0002] Concrete is an artificial stone material made by mixing cementitious materials, granular aggregates, water, and, if necessary, admixtures and additives in a certain proportion, followed by uniform mixing, compaction, and curing. Concrete is one of the most important civil engineering materials in construction. Currently, during concrete processing and mixing, a large amount of residue remains on the inner walls of the equipment, resulting in material waste.

[0003] Chinese patent CN114311303B discloses an environmentally friendly concrete processing equipment for civil engineering construction. The equipment uses a first mixing device to perform the initial mixing of raw materials. A linkage frame and cleaning components work together to intermittently clean the raw materials from the inner wall of the first mixing device. The linkage frame and the first mixing device work together to allow the first mixing device to output the mixed material to a second mixing device for secondary mixing. However, in this design, the outlet of the first mixing device is always open. This means that raw materials from the first mixing device may enter the second mixing device without being mixed in the first mixing device. Furthermore, the continuous flow of raw materials into the second mixing device leads to poor mixing efficiency. Summary of the Invention

[0004] To address the aforementioned issues, an environmentally friendly mixing device for concrete processing is provided. Through a first movable plate, a mixing rod, and a discharge control component, raw materials can be intermittently mixed and then output to a second movable plate. The second movable plate temporarily stores the materials that have undergone one mixing process before uniformly conveying them to a second mixing device.

[0005] To address the problems in the existing technology, the technical solution adopted by this invention is as follows:

[0006] An environmentally friendly concrete mixing device is provided, comprising a shell, a first mixing device, a second mixing device, and a discharge control device. The discharge control device controls the first mixing device to reciprocate intermittently in a vertical direction inside the shell. The first mixing device includes a stirring rod, a first movable plate, and a second movable plate. The stirring rod is rotatably disposed at the center of the first mixing device, and its rotation axis is vertically arranged. There are two first movable plates, which are horizontally slidably disposed within the first mixing device at the same height, below the stirring rod. The two first movable plates reciprocate towards or away from each other as the first mixing device reciprocates. The second movable plate is rotatably disposed within the first mixing device, directly below the stirring rod, and its height is lower than that of the first movable plate. The rotation axis of the second movable plate is perpendicular to the sliding direction of the first movable plate and also perpendicular to the rotation axis of the stirring rod. The second movable plate rotates when the first mixing device moves downward.

[0007] Preferably, the first mixing device further includes a square frame and a cleaning plate. The square frame can reciprocate intermittently in the vertical direction inside the housing. The openings of the square frame face upward and downward respectively. The first movable plate and the second movable plate are both disposed inside the square frame. The cleaning plate is slidably disposed at both ends of the sliding direction of the first movable plate. The sliding direction of the cleaning plate is parallel to the sliding direction of the square frame. The cleaning plate is fixedly connected to the housing. An inclined surface that cooperates with the first movable plate is provided on the upper part of the cleaning plate. The first movable plate is elastically connected to the square frame.

[0008] Preferably, the first mixing device further includes a first gear, a second gear, and a rack. The first gear is rotatably disposed outside the square frame, and the axis of the first gear is parallel to the rotation axis of the second movable plate. The second gear is fixedly connected to the second movable plate, and the axis of the second gear is coaxial with the rotation axis of the second movable plate. The first gear and the second gear are connected by a transmission belt. The length direction of the rack is parallel to the sliding direction of the first movable plate, and the rack meshes with the first gear. The first movable plate can drive the rack to move horizontally.

[0009] Preferably, the first mixing device further includes a guide strip, and the cleaning plate can drive the guide strip to move vertically. The length direction of the guide strip is parallel to the length direction of the rack. A first fixing member is fixedly installed on the first movable plate, and the rack is slidably connected to the first fixing member. The sliding direction of the rack is parallel to the vertical direction.

[0010] Preferably, a second fixing member is elastically connected to the cleaning plate, the second fixing member is slidably arranged along the sliding direction of the cleaning plate, the guide strip is slidably connected to the second fixing member, the sliding direction of the guide strip is parallel to the sliding direction of the first movable plate, a tension spring is fixedly arranged on the second fixing member, the other end of the tension spring is fixedly connected to the guide strip, and the axis of the tension spring is parallel to the sliding direction of the guide strip.

[0011] Preferably, the first mixing device further includes a torsion spring, one end of which is fixedly connected to the second gear, and the other end of which is fixedly connected to the square frame. The axis of the torsion spring is coaxial with the rotation axis of the second gear.

[0012] Preferably, the first gear, the second gear, the rack, and the guide bar are all disposed on the outside of the housing.

[0013] Preferably, the discharge control device includes a servo motor, a rotary disk, and a fixed block. The servo motor is fixedly mounted on the housing and can drive the rotary disk to rotate inside the housing. The rotation axis of the rotary disk is parallel to the sliding direction of the first movable plate. The fixed block is fixedly mounted on the edge of the rotary disk. The fixed block is arc-shaped, and a protrusion that works in conjunction with the fixed block is fixedly mounted on the square frame.

[0014] Preferably, the number of fixing blocks is at least one, and all fixing blocks are arranged sequentially around the axis of the rotating disk.

[0015] An environmentally friendly mixing method for concrete processing, using the aforementioned environmentally friendly mixing equipment for concrete processing, includes the following steps:

[0016] S1. The raw materials are poured from the outside of the outer shell into the inside of the first mixing device, and the raw materials are piled up on the two first movable plates;

[0017] S2. Start the discharge control device. The discharge control device causes the first mixing device to move down in the vertical direction. The two first movable plates move closer to each other, causing the raw materials to move into the working range of the stirring rod. The second movable plate rotates.

[0018] S3. The first mixing device moves down vertically to its maximum distance, the second movable plate rotates to a horizontal position, the two first movable plates come into contact, and the stirring rod performs the mixing operation.

[0019] S4. The first mixing device moves vertically, the two first movable plates move away from each other, and the raw material that has been stirred in the middle falls onto the second movable plate.

[0020] S5. The first mixing device moves down again, and the two first movable plates move closer to each other, driving the new raw materials to the working range of the stirring rod. The second movable plate rotates and tilts the material that has been mixed once into the second mixing device.

[0021] The advantages of this invention compared to the prior art are:

[0022] This invention enables raw materials to be intermittently mixed and then output to the second movable plate through the first movable plate, stirring rod, and discharge control component. The second movable plate enables temporary storage of materials that have undergone one mixing process before being uniformly transported to the second mixing device. This ensures that all materials entering the second mixing device have undergone one mixing process, and also ensures that no new materials are input into the second mixing device during its operation, thus affecting its mixing work. Attached Figure Description

[0023] Figure 1 This is a three-dimensional schematic diagram of an environmentally friendly mixing equipment for concrete processing;

[0024] Figure 2 A three-dimensional sectional view of an environmentally friendly concrete mixing equipment. Figure 1 ;

[0025] Figure 3 A three-dimensional sectional view of an environmentally friendly concrete mixing equipment. Figure 2 ;

[0026] Figure 4 A three-dimensional sectional view of an environmentally friendly concrete mixing equipment. Figure 3 ;

[0027] Figure 5 A three-dimensional sectional view of an environmentally friendly concrete mixing equipment. Figure 4 ;

[0028] Figure 6 This is a three-dimensional schematic diagram of the first mixing device in an environmentally friendly mixing equipment for concrete processing;

[0029] Figure 7 This is a front view of the interior of the first mixing unit in an environmentally friendly concrete mixing equipment.

[0030] Figure 8 This is a three-dimensional schematic diagram of the interior of the first mixing device in an environmentally friendly mixing equipment for concrete processing.

[0031] Figure 9 yes Figure 8 A magnified view of part A in the diagram;

[0032] Figure 10 This is a three-dimensional schematic diagram of the discharge control device in an environmentally friendly mixing equipment for concrete processing.

[0033] The numbers on the map are:

[0034] 1-Outer shell;

[0035] 2-First mixing device;

[0036] 21 - Stirring rod;

[0037] 22-First movable plate; 221-First fastener;

[0038] 23-Second movable plate; 231-Second fixing component; 232-Tension spring;

[0039] 24 - Square frame; 241 - Raised block;

[0040] 25-Clean plate;

[0041] 261 - First gear; 262 - Second gear; 263 - Drive belt;

[0042] 27-Rack;

[0043] 28-Guide bar;

[0044] 29-Torsion spring;

[0045] 3-Second mixing device;

[0046] 4-Discharge control device;

[0047] 41 - Servo motor;

[0048] 42-Spinning disk;

[0049] 43-Fixed block. Detailed Implementation

[0050] To further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0051] See Figures 1 to 5As shown, an environmentally friendly concrete mixing device includes a shell 1, a first mixing device 2, a second mixing device 3, and a discharge control device 4. The discharge control device 4 can control the first mixing device 2 to reciprocate intermittently in a vertical direction inside the shell 1. The first mixing device 2 includes a stirring rod 21, a first movable plate 22, and a second movable plate 23. The stirring rod 21 is rotatably disposed at the center of the first mixing device 2, and the rotation axis of the stirring rod 21 is vertically arranged. There are two first movable plates 22, which are horizontally slidably disposed in the first mixing device 2. At the same height, the first movable plate 22 is below the stirring rod 21. The two first movable plates 22 move back and forth towards each other or away from each other as the first mixing device 2 reciprocates. The second movable plate 23 is rotatably set in the first mixing device 2. The second movable plate 23 is directly below the stirring rod 21. The height of the second movable plate 23 is lower than the height of the first movable plate 22. The rotation axis of the second movable plate 23 is perpendicular to the sliding direction of the first movable plate 22. The rotation axis of the second movable plate 23 is perpendicular to the rotation axis of the stirring rod 21. When the first mixing device 2 moves down, the second movable plate 23 rotates.

[0052] The raw materials are poured from the outside of the outer shell 1 into the interior of the first mixing device 2. Inside the first mixing device 2, the two first movable plates 22 are initially positioned far apart, and the raw materials accumulate on them. Then, the discharge control device 4 is activated, causing the first mixing device 2 to move vertically downwards inside the outer shell 1. As the first mixing device 2 moves downwards, the two first movable plates 22 move closer together, and the raw materials accumulated on them move into the working range of the stirring rod 21. Simultaneously, as the first mixing device 2 moves downwards, the second movable plate 23 rotates. When the first mixing device 2 moves to its maximum vertical distance, the second movable plate 23 rotates back to a horizontal position, and the two first movable plates 22 come into contact. The stirring rod 21 then begins mixing the raw materials within its working range. The first mixing device 2 then remains at its lowest position for a period before moving vertically upwards again. As the material moves vertically upwards, the two first movable plates 22 move away from each other, and the raw material that has been stirred in the middle falls onto the second movable plate 23, which remains horizontal. When the first mixing device 2 moves vertically to its highest point and holds for a period of time, it will move vertically downwards again. At this time, the two first movable plates 22 move closer to each other again, driving new raw materials to move into the working range of the stirring rod 21. The second movable plate 23 rotates and tilts the material that has been mixed once into the second mixing device 3. Compared with the prior art, the first movable plate 22, stirring rod 21 and discharge control component of the present invention allow the raw materials to be intermittently mixed and then output to the second movable plate 23. The material that has been mixed once is temporarily stored by the second movable plate 23 and then uniformly transported to the second mixing device 3, thereby ensuring that the material entering the second mixing device 3 has undergone one mixing process, and at the same time ensuring that no new material is input into the second mixing device 3 during its operation, affecting its mixing work.

[0053] See Figures 5 to 9 As shown: The first mixing device 2 also includes a square frame 24 and a cleaning plate 25. The square frame 24 can move intermittently back and forth in the vertical direction inside the outer shell 1. The openings of the square frame 24 face upward and downward respectively. The first movable plate 22 and the second movable plate 23 are both disposed inside the square frame 24. The cleaning plate 25 is slidably disposed at both ends of the sliding direction of the first movable plate 22. The sliding direction of the cleaning plate 25 is parallel to the sliding direction of the square frame 24. The cleaning plate 25 is fixedly connected to the outer shell 1. An inclined surface that cooperates with the first movable plate 22 is provided on the upper part of the cleaning plate 25. The first movable plate 22 is elastically connected to the square frame 24.

[0054] When the raw materials enter the square frame 24, the discharge control device 4 is activated. The square frame 24 will drive the first movable plate 22 and the second movable plate 23 to move downward in the vertical direction. At this time, the cleaning plate 25, which is fixedly connected to the outer shell 1, will slide relative to the direction frame inside the direction frame. The raw materials located on the first movable plate 22 and the inner wall of the square frame 24 will enter the working range of the stirring rod 21 under the action of the cleaning plate 25 as the first movable plate 22 moves. Then, when the two first movable plates 22 come into contact, the stirring rod 21 will perform the mixing work. Compared with the prior art, the cleaning plate 25 of the present invention allows all the raw materials entering the square frame 24 to move towards the stirring rod 21, thereby ensuring that the raw materials falling on the first movable plate 22 away from the stirring rod 21 can enter the working range of the stirring rod 21.

[0055] See Figures 5 to 9 As shown: The first mixing device 2 also includes a first gear 261, a second gear 262, and a rack 27. The first gear 261 is rotatably disposed outside the square frame 24. The axis of the first gear 261 is parallel to the rotation axis of the second movable plate 23. The second gear 262 is fixedly connected to the second movable plate 23. The axis of the second gear 262 is coaxial with the rotation axis of the second movable plate 23. The first gear 261 and the second gear 262 are connected by a transmission belt 263. The length direction of the rack 27 is parallel to the sliding direction of the first movable plate 22. The rack 27 meshes with the first gear 261. The first movable plate 22 can drive the rack 27 to move horizontally.

[0056] Under the operation of the discharge control device 4, the square frame 24 moves downward in the vertical direction. At this time, the first movable plate 22 will move downward with the square frame 24, thereby driving the rack 27 to move on the horizontal plane. While the rack 27 moves, it will drive the first gear 261 to rotate. While the first gear 261 rotates, it will drive the second gear 262 to rotate through the transmission belt 263. When the second gear 262 rotates, it will drive the second movable plate 23 to rotate. Compared with the prior art, the first gear 261, the second gear 262 and the rack 27 of the present invention cooperate so that when the two first movable plates 22 are close to each other, they can drive the second movable plate 23 to rotate, thereby ensuring the synchronicity of the movement of the first movable plate 22 and the second movable plate 23.

[0057] See Figures 5 to 9 As shown: The first mixing device 2 also includes a guide strip 28. The cleaning plate 25 can drive the guide strip 28 to move vertically. The length direction of the guide strip 28 is parallel to the length direction of the rack 27. A first fixing member 221 is fixedly provided on the first movable plate 22. The rack 27 is slidably connected to the first fixing member 221. The sliding direction of the rack 27 is parallel to the vertical direction.

[0058] Under the operation of the discharge control device 4, the square frame 24 moves downward vertically. At this time, the cleaning plate 25 will drive the guide strip 28 to move upward vertically. After the guide strip 28 contacts the rack 27, it pushes the rack 27 to move vertically. At the same time, the rack 27 will move horizontally under the drive of the first movable plate 22, which will cause the rack 27 to mesh with the first gear 261 and drive the first gear 261 to rotate. When the two first movable plates 22 come into contact with each other, the upper surface of the guide strip 28 will disengage from the lower surface of the rack 27. At this time, the rack 27 will move downward vertically under the influence of gravity, and the rack 27 will disengage from the first gear 261. Compared with the prior art, the guide strip 28, the first fixing member 221 and the rack 27 of the present invention cooperate to allow the rack 27 to disengage from the first gear 261, thereby ensuring that the second movable plate 23 will not rotate when the two first movable plates 22 move away from each other.

[0059] See Figures 6 to 9 As shown: A second fixing member 231 is elastically connected to the cleaning plate 25. The second fixing member 231 is slidably arranged along the sliding direction of the cleaning plate 25. The guide strip 28 is slidably connected to the second fixing member 231. The sliding direction of the guide strip 28 is parallel to the sliding direction of the first movable plate 22. A tension spring 232 is fixedly arranged on the second fixing member 231. The other end of the tension spring 232 is fixedly connected to the guide strip 28. The axis of the tension spring 232 is parallel to the sliding direction of the guide strip 28.

[0060] When the lower surface of rack 27 disengages from the upper surface of guide bar 28, rack 27 moves downward in the vertical direction, causing rack 27 to re-engage with guide bar 28. Subsequently, discharge control device 4 causes square frame 24 to move vertically, and the two first movable plates 22 move away from each other. Rack 27 pushes guide bar 28 to slide relative to second fixing member 231 in the horizontal direction. Tension spring 232 is continuously stretched at this time. When square frame 24 moves to the highest point, first fixing member 221 elastically connected to cleaning plate 25 will drive rack 27 to move above guide bar 28 and contact it. At this time, tension spring 232 returns to its original state, thereby pushing guide bar 28 to move completely below rack 27. Compared with the prior art, the cooperation of second fixing member 231 and tension spring 232 in this invention allows the state of guide bar 28 and rack 27 to be restored, thus facilitating subsequent repeated movements.

[0061] See Figures 5 to 9 As shown: The first mixing device 2 also includes a torsion spring 29. One end of the torsion spring 29 is fixedly connected to the second gear 262, and the other end of the torsion spring 29 is fixedly connected to the square frame 24. The axis of the torsion spring 29 is coaxial with the rotation axis of the second gear 262.

[0062] When the two first movable plates 22 approach each other, the second movable plate 23 rotates, causing the torsion spring 29 to be continuously compressed. When the meshing relationship between the first gear 261 and the rack 27 is disengaged, the torsion spring 29 will also be released from compression, thereby pushing the second movable plate 23 to rotate to a horizontal state. Compared with the prior art, the torsion spring 29 of the present invention enables the second movable plate 23, which has moved to the lowest point, to return to a horizontal state, thereby temporarily storing the raw materials that have undergone one mixing.

[0063] See Figures 1 to 5 As shown: the first gear 261, the second gear 262, the rack 27, and the guide bar are all located on the outside of the housing 1.

[0064] Compared with the prior art, the first gear 261, the second gear 262, the rack 27 and the guide bar of the present invention are arranged on the outside of the housing 1, so as not to affect the movement of raw materials inside the first mixing device 2, and at the same time facilitate maintenance and replacement.

[0065] See Figure 1 , Figure 2 , Figure 6 and Figure 10 As shown: The discharge control device 4 includes a servo motor 41, a rotary disk 42 and a fixed block 43. The servo motor 41 is fixedly mounted on the outer shell 1. The servo motor 41 can drive the rotary disk 42 to rotate inside the outer shell 1. The rotation axis of the rotary disk 42 is parallel to the sliding direction of the first movable plate 22. The fixed block 43 is fixedly mounted on the edge of the rotary disk 42. The fixed block 43 is arc-shaped. A protrusion 241 that works in conjunction with the fixed block 43 is fixedly mounted on the square frame 24.

[0066] The servo motor 41 operates to rotate the rotating disk 42. As the rotating disk 42 rotates, it drives the fixed block 43 to rotate as well. The fixed block 43 first contacts the protrusion 241, causing the square frame 24 to move downward in the vertical direction. When the fixed block 43 rotates to the lowest point on the rotating disk 42, the square frame will be at the lowest point for a period of time. Compared with the prior art, the rotating disk 42, the fixed block 43 and the protrusion 241 of the present invention cooperate to enable the square frame 24 to be at the highest or lowest point for a period of time, thereby ensuring that the stirring rod 21 can mix the raw materials.

[0067] See Figure 10 As shown: the number of fixing blocks 43 is at least one, and all fixing blocks 43 are arranged sequentially around the axis of the rotating disk 42.

[0068] By fixing the axis of the rotating disk 42 with different numbers of fixing blocks 43, the overall outer arc length of the fixing blocks 43 can be changed. Compared with the prior art, the number of fixing blocks 43 of the present invention can be changed according to the needs, thereby changing the length of time the square frame 24 remains stationary.

[0069] See Figures 1 to 5 The following describes an environmentally friendly mixing method for concrete processing, using the aforementioned environmentally friendly mixing equipment, comprising the following steps:

[0070] S1. The raw materials are poured from the outside of the outer shell 1 into the inside of the first mixing device 2, and the raw materials are piled up on the two first movable plates 22;

[0071] S2. Start the discharge control device 4. The discharge control device 4 causes the first mixing device 2 to move down in the vertical direction. The two first movable plates 22 move closer to each other, causing the raw materials to move into the working range of the stirring rod 21. The second movable plate 23 rotates.

[0072] S3. The first mixing device 2 moves down vertically to its maximum distance, the second movable plate 23 rotates to a horizontal state, the two first movable plates 22 come into contact, and the stirring rod 21 performs mixing.

[0073] S4. The first mixing device 2 moves vertically, the two first movable plates 22 move away from each other, and the raw material that has been stirred in the middle falls onto the second movable plate 23.

[0074] S5. The first mixing device 2 moves down again, and the two first movable plates 22 move closer to each other, driving the new raw materials to the working range of the stirring rod 21. The second movable plate 23 rotates and tilts the material that has been mixed once into the second mixing device 3.

[0075] Compared with the prior art, the first movable plate 22, stirring rod 21 and discharge control component of the present invention enable the raw materials to be intermittently mixed and then output to the second movable plate 23. The material that has been mixed once is temporarily stored by the second movable plate 23 and then uniformly transported to the second mixing device 3, thereby ensuring that the material entering the second mixing device 3 has undergone one mixing process, and at the same time ensuring that no new material is input into the second mixing device 3 during its operation and affecting its mixing work.

[0076] The above embodiments only illustrate one or more implementations of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. An environmentally friendly mixing equipment for concrete processing, comprising a shell (1), a first mixing device (2), a second mixing device (3), and a discharge control device (4), characterized in that, The discharge control device (4) can control the first mixing device (2) to move intermittently in the vertical direction inside the outer shell (1). The first mixing device (2) includes a stirring rod (21), a first movable plate (22), and a second movable plate (23). The stirring rod (21) is rotatably positioned at the center of the first mixing device (2), and the rotation axis of the stirring rod (21) is vertically positioned. There are two first movable plates (22). The two first movable plates (22) are horizontally slidably set in the first mixing device (2). The two first movable plates (22) are at the same height. The first movable plates (22) are below the stirring rod (21). The two first movable plates (22) move back and forth towards each other or away from each other as the first mixing device (2) moves back and forth. The second movable plate (23) is rotatably disposed in the first mixing device (2). The second movable plate (23) is located directly below the stirring rod (21). The height of the second movable plate (23) is lower than the height of the first movable plate (22). The rotation axis of the second movable plate (23) is perpendicular to the sliding direction of the first movable plate (22). The rotation axis of the second movable plate (23) is perpendicular to the rotation axis of the stirring rod (21). When the first mixing device (2) moves down, the second movable plate (23) rotates. The first mixing device (2) also includes a square frame (24) and a cleaning plate (25); The square frame (24) can move intermittently back and forth in the vertical direction inside the outer shell (1). The openings of the square frame (24) face upward and downward respectively. The first movable plate (22) and the second movable plate (23) are both set inside the square frame (24). The cleaning plate (25) can be slidably set at both ends of the sliding direction of the first movable plate (22). The sliding direction of the cleaning plate (25) is parallel to the sliding direction of the square frame (24). The cleaning plate (25) is fixedly connected to the outer shell (1). An inclined surface that cooperates with the first movable plate (22) is provided on the top of the cleaning plate (25). The first movable plate (22) is elastically connected to the square frame (24). The first mixing device (2) also includes a first gear (261), a second gear (262) and a rack (27); The first gear (261) is rotatably mounted outside the square frame (24). The axis of the first gear (261) is parallel to the rotation axis of the second movable plate (23). The second gear (262) is fixedly connected to the second movable plate (23). The axis of the second gear (262) is coaxial with the rotation axis of the second movable plate (23). The first gear (261) and the second gear (262) are connected by a transmission belt (263). The length direction of the rack (27) is parallel to the sliding direction of the first movable plate (22). The rack (27) meshes with the first gear (261). The first movable plate (22) can drive the rack (27) to move horizontally.

2. The environmentally friendly mixing equipment for concrete processing according to claim 1, characterized in that, The first mixing device (2) also includes a guide bar (28); The cleaning plate (25) can drive the guide strip (28) to move vertically. The length direction of the guide strip (28) is parallel to the length direction of the rack (27). A first fixing member (221) is fixedly installed on the first movable plate (22). The rack (27) is slidably connected to the first fixing member (221). The sliding direction of the rack (27) is parallel to the vertical direction.

3. The environmentally friendly mixing equipment for concrete processing according to claim 2, characterized in that, A second fixing member (231) is elastically connected to the cleaning plate (25). The second fixing member (231) is slidably set along the sliding direction of the cleaning plate (25). The guide strip (28) is slidably connected to the second fixing member (231). The sliding direction of the guide strip (28) is parallel to the sliding direction of the first movable plate (22). A tension spring (232) is fixedly set on the second fixing member (231). The other end of the tension spring (232) is fixedly connected to the guide strip (28). The axis of the tension spring (232) is parallel to the sliding direction of the guide strip (28).

4. The environmentally friendly mixing equipment for concrete processing according to claim 3, characterized in that, The first mixing device (2) also includes a torsion spring (29); One end of the torsion spring (29) is fixedly connected to the second gear (262), and the other end of the torsion spring (29) is fixedly connected to the square frame (24). The axis of the torsion spring (29) is coaxial with the rotation axis of the second gear (262).

5. The environmentally friendly mixing equipment for concrete processing according to claim 4, characterized in that, The first gear (261), the second gear (262), the rack (27), and the guide bar are all located on the outside of the outer casing (1).

6. The environmentally friendly mixing equipment for concrete processing according to claim 1, characterized in that, The discharge control device (4) includes a servo motor (41), a rotary disk (42), and a fixed block (43). The servo motor (41) is fixedly mounted on the outer shell (1). The servo motor (41) can drive the rotating disk (42) to rotate inside the outer shell (1). The rotation axis of the rotating disk (42) is parallel to the sliding direction of the first movable plate (22). The fixing block (43) is fixedly mounted on the edge of the rotating disk (42). The fixing block (43) is arc-shaped. The square frame (24) is fixedly mounted with a protrusion (241) that works with the fixing block (43).

7. The environmentally friendly mixing equipment for concrete processing according to claim 6, characterized in that, The number of fixed blocks (43) is at least one, and all fixed blocks (43) are arranged sequentially around the axis of the rotating disk (42).

8. An environmentally friendly mixing method for concrete processing, employing the environmentally friendly mixing equipment for concrete processing as described in any one of claims 1-7, characterized in that, It includes the following steps: S1. Pour the raw materials from the outside of the outer shell (1) into the inside of the first mixing device (2), and the raw materials are piled on the two first movable plates (22); S2. Start the discharge control device (4). The discharge control device (4) causes the first mixing device (2) to move down in the vertical direction. The two first movable plates (22) move closer to each other, causing the raw materials to move into the working range of the stirring rod (21). The second movable plate (23) rotates. S3, the first mixing device (2) moves down to the maximum distance in the vertical direction, the second movable plate (23) rotates to the horizontal state, the two first movable plates (22) contact each other, and the stirring rod (21) performs mixing work; S4. The first mixing device (2) moves vertically, the two first movable plates (22) move away from each other, and the raw material that has been stirred in the middle falls onto the second movable plate (23); S5. The first mixing device (2) moves down again, and the two first movable plates (22) move closer to each other again, driving the new raw materials to the working range of the stirring rod (21). The second movable plate (23) rotates and pours the material that has been mixed once into the second mixing device (3).

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