Fine stone concrete pouring device for photovoltaic cast-in-place pile

Abstract

The application provides a fine stone concrete pouring device for a photovoltaic pile, relates to the technical field of concrete pouring, and comprises a fine stone concrete storage unit, a fine stone concrete pouring unit installed at the bottom of the fine stone concrete storage unit, a mixing unit installed in the fine stone concrete storage unit, a connecting unit installed outside the fine stone concrete storage unit and two groups of multifunctional units installed at the bottom of the connecting unit. When an operator pulls or pushes one of the U-shaped fine adjustment handles, the fine stone concrete storage shell can drive the fine stone concrete discharge pipe to slightly move, the fine stone concrete discharge pipe is conveniently slightly adjusted, the pouring efficiency of the fine stone concrete is improved, and the problem that the operator cannot conveniently slightly adjust the fine stone concrete discharge pipe when the pouring position slightly deviates and the pouring efficiency of the concrete is reduced is solved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of concrete pouring, more particularly, relates to a fine stone concrete pouring device for photovoltaic cast-in-place piles. BACKGROUND

[0002] As one of the key photovoltaic power generation, the foundation stability of photovoltaic support infrastructure plays a vital role in the entire system; the cast-in-place pile foundation is generally used in photovoltaic power generation, so in the drilling operation, the pile is formed by placing the reinforcement cage in the hole after the pile hole is drilled by the drilling machine and then pouring concrete. The current concrete pouring still has the following problems: 1. Before pouring, the concrete baffle is generally manually pulled by the staff, and after pouring, the concrete baffle is generally manually reset by the staff, resulting in a large labor intensity of the staff during concrete pouring; 2. When the pouring position deviates slightly, it is not convenient for the staff to make slight adjustment, which reduces the pouring efficiency of the concrete. SUMMARY

[0003] The present application relates to a fine stone concrete pouring device for photovoltaic cast-in-place piles, which has a fine stone concrete storage unit, a fine stone concrete pouring unit, a mixing unit, a connecting unit and a multifunctional unit. When the staff pulls or pushes one of the U-shaped fine adjustment handles, the fine stone concrete storage shell can drive the fine stone concrete discharge pipe to move slightly, which facilitates the slight adjustment of the fine stone concrete discharge pipe and improves the pouring efficiency of the fine stone concrete.

[0004] In a first aspect, the present application provides a fine stone concrete pouring device for photovoltaic cast-in-place piles, which specifically includes a fine stone concrete storage unit, a fine stone concrete pouring unit, a mixing unit, a connecting unit and a multifunctional unit; the fine stone concrete pouring unit is installed at the bottom of the fine stone concrete storage unit, and is used to discharge the fine stone concrete in the fine stone concrete storage unit;

[0005] The mixing unit is installed inside the fine stone concrete storage unit; the connecting unit is installed outside the fine stone concrete storage unit;

[0006] The multifunctional unit is provided with two groups, and the two groups of multifunctional units are installed at the bottom of the connecting unit, and are used to move and lift the fine stone concrete storage unit;

[0007] The fine stone concrete storage unit includes a fine stone concrete storage shell and a fine stone concrete discharge pipe; the fine stone concrete storage shell is in a cylindrical structure; the fine stone concrete discharge pipe is fixedly installed at the bottom of the fine stone concrete storage shell.

[0008] In at least some embodiments, the fine stone concrete storage unit further comprises: two U-shaped fine-tuning handles and two positioning frames; the two U-shaped fine-tuning handles are fixedly installed on the front and back of the fine stone concrete storage shell; the two positioning frames are fixedly installed on the left and right of the fine stone concrete storage shell, and two positioning holes are respectively formed in the two positioning frames.

[0009] In at least some embodiments, the fine stone concrete pouring unit comprises: four circular guide rods A and a conical sealing block; the four circular guide rods A are slidably installed on the fine stone concrete storage shell; the conical sealing block is fixedly installed on the top of the four circular guide rods A, the bottom of the conical sealing block is in contact with the fine stone concrete storage shell, and the conical sealing block is concentrically arranged with the fine stone concrete discharging pipe.

[0010] In at least some embodiments, the fine stone concrete pouring unit further comprises: a fine stone concrete pouring ring and four support springs A; the fine stone concrete pouring ring is fixedly installed at the bottom of the four circular guide rods A and is slidably connected with the fine stone concrete discharging pipe; the four support springs A are installed outside the four circular guide rods A, and the four support springs A are located between the fine stone concrete storage shell and the fine stone concrete pouring ring.

[0011] In at least some embodiments, the mixing unit comprises: a cross-shaped mounting frame and a driving motor; the cross-shaped mounting frame is fixedly installed inside the fine stone concrete storage shell; the driving motor is fixedly installed on the top of the cross-shaped mounting frame.

[0012] In at least some embodiments, the mixing unit further comprises: a circular mixing shaft and four mixing blades; the circular mixing shaft is fixedly installed on the output shaft of the driving motor; the four mixing blades are fixedly installed outside the circular mixing shaft.

[0013] In at least some embodiments, the connecting unit comprises: four circular guide rods B and a connecting frame; the four circular guide rods B are fixedly installed on the front and back of the fine stone concrete storage shell; the connecting frame is slidably installed outside the four circular guide rods B.

[0014] In at least some embodiments, the connecting unit further comprises: four support springs B; the four support springs B are installed outside the four circular guide rods B, and the four support springs B are located between the fine stone concrete storage shell and the connecting frame.

[0015] In at least some embodiments, the multifunctional unit comprises: an electric cylinder and a moving base plate; the electric cylinder is provided with two, and the two electric cylinders are fixedly installed at the bottom of the connecting frame; and the moving base plate is fixedly installed at the bottom of the two electric cylinders.

[0016] In at least some embodiments, the multifunctional unit further comprises: a moving roller and a circular positioning rod; the moving roller is provided with two, and the two moving rollers are fixedly installed at the bottom of the moving base plate; the circular positioning rod is provided with two, and the two circular positioning rods are fixedly installed at the top of the moving base plate; the top of the two circular positioning rods is provided with a chamfer, and the two circular positioning rods are inserted into the two positioning circular holes.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] 1、The fine stone concrete discharging pipe is fixedly installed at the bottom of the fine stone concrete storage shell, which facilitates the insertion of the fine stone concrete discharging pipe into the steel pipe of the photovoltaic cast-in-place pile.

[0019] 2、The conical sealing block is fixedly installed at the top of the four circular guide rods A, and the bottom of the conical sealing block is in contact with the fine stone concrete storage shell.

[0020] 3、The circular mixing shaft is fixedly installed on the output shaft of the driving motor, and the four mixing blades are fixedly installed outside the circular mixing shaft.

[0021] 4、The application, because two electric cylinders are fixedly installed at the bottom of the connecting frame, when the output shafts of the two electric cylinders are stretched out, the fine stone concrete storage shell is moved upward, the fine stone concrete discharge pipe is inserted into the steel pipe of the photovoltaic cast-in-place pile, the two movable rollers are arranged, the staff can move the device conveniently, the photovoltaic cast-in-place pile at different positions can be poured conveniently, when the output shafts of the two electric cylinders are retracted, the two circular positioning rods are inserted into the two positioning circular holes, the fine stone concrete storage shell is positioned, and the fine stone concrete storage shell is prevented from shaking when the device moves. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0023] The drawings described in the following description only relate to some embodiments of the present application, and are not a limitation of the present application.

[0024] In the drawings:

[0025] Figure 1 is a three-dimensional structural schematic diagram of the present application.

[0026] Figure 2 is a structural schematic diagram of the fine stone concrete storage unit of the present application.

[0027] Figure 3 is a central cut structure schematic diagram of the present application Figure 1 .

[0028] Figure 4 is a local enlarged structure schematic diagram of the A area in the present application Figure 3 .

[0029] Figure 5 is a bottom perspective view structural schematic diagram of the present application Figure 1 .

[0030] Figure 6 is a structural schematic diagram of the mixing unit of the present application.

[0031] Figure 7 is a structural schematic diagram of the fine stone concrete storage shell and the connecting unit of the present application.

[0032] Figure 8 is a structural schematic diagram of the multifunctional unit of the present application.

[0033] Figure 9 is a local enlarged structure schematic diagram of the B area in the present application Figure 1 .

[0034] LIST OF REFERENCE NUMERALS:

[0035] 1. Fine aggregate concrete storage unit; 101. Fine aggregate concrete storage shell; 102. Fine aggregate concrete discharge pipe; 103. U-shaped fine adjustment handle; 104. Positioning frame; 1041. Positioning round hole;

[0036] 2. Fine aggregate concrete pouring unit; 201. Circular guide rod A; 202. Conical sealing block; 203. Fine aggregate concrete pouring ring; 204. Support spring A;

[0037] 3. Mixing unit; 301. Cross-shaped mounting bracket; 302. Drive motor; 303. Circular mixing shaft; 304. Mixing blades;

[0038] 4. Connecting unit; 401. Circular guide rod B; 402. Connecting frame; 403. Support spring B;

[0039] 5. Multifunctional unit; 501. Electric cylinder; 502. Movable base plate; 503. Movable rollers; 504. Circular positioning rod. Detailed Implementation

[0040] To make the objectives, solutions, and advantages of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Unless otherwise stated, the terms used herein have their ordinary meanings in the art. The same reference numerals in the drawings represent the same parts.

[0041] Example: Please refer to Figures 1 to 9 As shown: The present invention provides a fine stone concrete pouring device for photovoltaic cast-in-place piles, including a fine stone concrete storage unit 1, a fine stone concrete pouring unit 2, a mixing unit 3, a connecting unit 4 and a multi-functional unit 5; the fine stone concrete pouring unit 2 is installed at the bottom of the fine stone concrete storage unit 1, and the fine stone concrete pouring unit 2 is used to discharge the fine stone concrete in the fine stone concrete storage unit 1.

[0042] The mixing unit 3 is installed inside the fine aggregate concrete storage unit 1; the connecting unit 4 is installed outside the fine aggregate concrete storage unit 1.

[0043] There are two sets of multi-functional units 5, and the two sets of multi-functional units 5 are installed at the bottom of the connecting unit 4. The two sets of multi-functional units 5 are used to move and lift the fine stone concrete storage unit 1.

[0044] In this embodiment of the disclosure, such as Figure 2 and Figure 7As shown, the fine aggregate concrete storage unit 1 includes: a fine aggregate concrete storage shell 101 and a fine aggregate concrete discharge pipe 102; the fine aggregate concrete storage shell 101 is generally cylindrical; the fine aggregate concrete discharge pipe 102 is fixedly installed at the bottom of the fine aggregate concrete storage shell 101; the fine aggregate concrete storage unit 1 also includes: U-shaped fine adjustment handles 103 and positioning frames 104; two U-shaped fine adjustment handles 103 are provided, and the two U-shaped fine adjustment handles 103 are fixedly installed on the front and rear sides of the fine aggregate concrete storage shell 101; two positioning frames 104 are provided, and the two positioning frames 104 are fixedly installed on the left and right sides of the fine aggregate concrete storage shell 101, and the two Each positioning frame 104 has two positioning holes 1041; the connecting unit 4 includes: a circular guide rod B401 and a connecting frame 402; there are four circular guide rods B401, and the four circular guide rods B401 are fixedly installed on the front and rear sides of the fine stone concrete storage shell 101; the connecting frame 402 is slidably installed on the outside of the four circular guide rods B401; the connecting unit 4 also includes: a support spring B403; there are four support springs B403, and the four support springs B403 are installed on the outside of the four circular guide rods B401, and the four support springs B403 are located between the fine stone concrete storage shell 101 and the connecting frame 402;

[0045] Its specific function is as follows: Since the fine aggregate concrete discharge pipe 102 is fixedly installed at the bottom of the fine aggregate concrete storage shell 101, it is convenient for workers to insert the fine aggregate concrete discharge pipe 102 into the steel pipe of the photovoltaic injection pile. Since the four circular guide rods B401 are fixedly installed on the front and rear sides of the fine aggregate concrete storage shell 101, and the connecting frame 402 is slidably installed on the outside of the four circular guide rods B401, and the four support springs B403 are located between the fine aggregate concrete storage shell 101 and the connecting frame 402, when the workers pull or push one of the U-shaped micro-adjustment handles 103, the fine aggregate concrete storage shell 101 can drive the fine aggregate concrete discharge pipe 102 to move slightly, which facilitates the slight adjustment of the fine aggregate concrete discharge pipe 102 and improves the pouring efficiency of fine aggregate concrete.

[0046] In this embodiment of the disclosure, such as Figure 4As shown, the fine aggregate concrete pouring unit 2 includes: circular guide rods A201 and conical sealing blocks 202; four circular guide rods A201 are provided, and the four circular guide rods A201 are slidably installed on the fine aggregate concrete storage shell 101; the conical sealing blocks 202 are fixedly installed on the top of the four circular guide rods A201, and the bottom of the conical sealing blocks 202 contacts the fine aggregate concrete storage shell 101, and the conical sealing blocks 202 are concentrically arranged with the fine aggregate concrete discharge pipe 102; the fine aggregate concrete pouring unit 2 It also includes: a fine aggregate concrete pouring ring 203 and a support spring A204; the fine aggregate concrete pouring ring 203 is fixedly installed at the bottom of four circular guide rods A201, and the fine aggregate concrete pouring ring 203 is also slidably connected to the fine aggregate concrete discharge pipe 102; there are four support springs A204, and the four support springs A204 are installed on the outside of the four circular guide rods A201, and the four support springs A204 are located between the fine aggregate concrete storage shell 101 and the fine aggregate concrete pouring ring 203;

[0047] Its specific function is as follows: Since the conical sealing block 202 is fixedly installed on the top of the four circular guide rods A201, and the bottom of the conical sealing block 202 is in contact with the fine stone concrete storage shell 101, and the fine stone concrete pouring ring 203 is fixedly installed on the bottom of the four circular guide rods A201, when the fine stone concrete pouring ring 203 contacts the steel pipe of the photovoltaic injection pile, and the fine stone concrete storage shell 101 continues to move downward, the fine stone concrete pouring ring 203 can drive the conical sealing block 202 to move upward automatically. The cone-shaped sealing block 202 is separated from the fine aggregate concrete storage shell 101. At this time, the fine aggregate concrete in the fine aggregate concrete storage shell 101 flows out through the gap between the fine aggregate concrete storage shell 101 and the cone-shaped sealing block 202, realizing the automatic pouring of fine aggregate concrete. After the pouring is completed, when the fine aggregate concrete storage shell 101 moves upward, the cone-shaped sealing block 202 automatically resets under the action of four support springs A204, which plays a sealing role for the fine aggregate concrete in the fine aggregate concrete storage shell 101.

[0048] In this embodiment of the disclosure, such as Figure 6 As shown, the mixing unit 3 includes: a cross-shaped mounting bracket 301 and a drive motor 302; the cross-shaped mounting bracket 301 is fixedly installed inside the fine aggregate concrete storage shell 101; the drive motor 302 is fixedly installed on the top of the cross-shaped mounting bracket 301; the mixing unit 3 also includes: a circular mixing shaft 303 and mixing blades 304; the circular mixing shaft 303 is fixedly installed on the output shaft of the drive motor 302; there are four mixing blades 304 in total, and the four mixing blades 304 are fixedly installed on the outside of the circular mixing shaft 303;

[0049] Its specific function is as follows: Since the circular mixing shaft 303 is fixedly installed on the output shaft of the drive motor 302, and the four mixing blades 304 are fixedly installed on the outside of the circular mixing shaft 303, when the drive motor 302 is working, the circular mixing shaft 303 drives the four mixing blades 304 to rotate, which plays a mixing role on the fine stone concrete in the fine stone concrete storage shell 101.

[0050] In this embodiment of the disclosure, such as Figure 8 and Figure 9 As shown, the multi-functional unit 5 includes: an electric cylinder 501 and a movable base plate 502; there are two electric cylinders 501, and the two electric cylinders 501 are fixedly installed at the bottom of the connecting frame 402; the movable base plate 502 is fixedly installed at the bottom of the two electric cylinders 501; the multi-functional unit 5 also includes: movable rollers 503 and circular positioning rods 504; there are two movable rollers 503, and the two movable rollers 503 are fixedly installed at the bottom of the movable base plate 502; there are two circular positioning rods 504, and the two circular positioning rods 504 are fixedly installed at the top of the movable base plate 502; the top of the two circular positioning rods 504 is chamfered, and the two circular positioning rods 504 are inserted into two positioning circular holes 1041;

[0051] Its specific function is as follows: Since the two electric cylinders 501 are fixedly installed at the bottom of the connecting frame 402, when the output shafts of the two electric cylinders 501 extend, the fine stone concrete storage shell 101 moves upward, which facilitates the insertion of the fine stone concrete discharge pipe 102 into the steel pipe of the photovoltaic grouting pile. The two moving rollers 503 facilitate the movement of the device by the staff, making it convenient to pour photovoltaic grouting piles at different positions. When the output shafts of the two electric cylinders 501 retract, the two circular positioning rods 504 are inserted into the two positioning circular holes 1041, which play a positioning role for the fine stone concrete storage shell 101 and prevent the fine stone concrete storage shell 101 from shaking when the device is moved.

[0052] The specific usage and function of this embodiment are as follows:

[0053] In use, the worker first pours the fine aggregate concrete to be poured into the fine aggregate concrete storage shell 101. Then, the position of the fine aggregate concrete storage shell 101 is moved using four moving rollers 503. Next, the worker activates four electric cylinders 501 and a drive motor 302, causing the output shafts of the four electric cylinders 501 to extend. The fine aggregate concrete discharge pipe 102 is then aligned with the steel pipe of the photovoltaic pile. The output shafts of the four electric cylinders 501 are then retracted. The worker then adjusts the position of the fine aggregate concrete discharge pipe 102 appropriately using two U-shaped fine-tuning handles 103. When the worker pulls or pushes one of the U-shaped fine-tuning handles 103, the fine aggregate concrete storage shell 101 can slightly move the fine aggregate concrete discharge pipe 102, facilitating minor adjustments and improving the pouring efficiency of the fine aggregate concrete. When the fine aggregate concrete pouring ring 203 contacts the steel pipe of the photovoltaic pile, as the fine aggregate concrete storage shell 101 continues to move downwards, the fine aggregate concrete pouring ring 203... 03 can drive the conical sealing block 202 to move automatically upward, separating the conical sealing block 202 from the fine stone concrete storage shell 101. At this time, the fine stone concrete in the fine stone concrete storage shell 101 flows out through the gap between the fine stone concrete storage shell 101 and the conical sealing block 202, realizing the automatic pouring of fine stone concrete. After the pouring is completed, when the fine stone concrete storage shell 101 moves upward, the conical sealing block 202 automatically resets under the action of four support springs A204, which plays a sealing role for the fine stone concrete in the fine stone concrete storage shell 101. When the drive motor 302 works, the circular mixing shaft 303 drives the four mixing blades 304 to rotate, which plays a stirring role for the fine stone concrete in the fine stone concrete storage shell 101. When the output shafts of the two electric cylinders 501 retract, the two circular positioning rods 504 are inserted into the two positioning circular holes 1041, which plays a positioning role for the fine stone concrete storage shell 101, preventing the fine stone concrete storage shell 101 from shaking when the device moves.

[0054] The following points should be noted in this article:

[0055] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in a general design.

[0056] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0057] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A fine aggregate concrete pouring device for photovoltaic cast-in-place piles, comprising a fine aggregate concrete storage unit (1), a fine aggregate concrete pouring unit (2), a mixing unit (3), a connecting unit (4), and a multifunctional unit (5); characterized in that, The fine stone concrete pouring unit (2) is installed at the bottom of the fine stone concrete storage unit (1), and the fine stone concrete pouring unit (2) is used to discharge the fine stone concrete in the fine stone concrete storage unit (1). The mixing unit (3) is installed inside the fine aggregate concrete storage unit (1); the connecting unit (4) is installed outside the fine aggregate concrete storage unit (1); The multifunctional unit (5) is provided in two sets, and the two sets of multifunctional units (5) are installed at the bottom of the connecting unit (4). The two sets of multifunctional units (5) are used to move and lift the fine stone concrete storage unit (1). The fine aggregate concrete storage unit (1) includes: a fine aggregate concrete storage shell (101) and a fine aggregate concrete discharge pipe (102); the fine aggregate concrete storage shell (101) is a cylindrical structure; the fine aggregate concrete discharge pipe (102) is fixedly installed at the bottom of the fine aggregate concrete storage shell (101); The fine aggregate concrete storage unit (1) further includes: a U-shaped fine adjustment handle (103) and a positioning frame (104); there are two U-shaped fine adjustment handles (103), and the two U-shaped fine adjustment handles (103) are fixedly installed on the front and rear sides of the fine aggregate concrete storage shell (101); there are two positioning frames (104), and the two positioning frames (104) are fixedly installed on the left and right sides of the fine aggregate concrete storage shell (101), and two positioning round holes (1041) are respectively opened on the two positioning frames (104). The connecting unit (4) includes: a circular guide rod B (401) and a connecting frame (402); there are four circular guide rods B (401), and the four circular guide rods B (401) are fixedly installed on the front and rear sides of the fine stone concrete storage shell (101); the connecting frame (402) is slidably installed on the outside of the four circular guide rods B (401); the connecting unit (4) also includes: a support spring B (403); there are four support springs B (403), and the four support springs B (403) are installed on the outside of the four circular guide rods B (401), and the four support springs B (403) are located between the fine stone concrete storage shell (101) and the connecting frame (402); The multifunctional unit (5) includes: an electric cylinder (501) and a movable base plate (502); there are two electric cylinders (501), and the two electric cylinders (501) are fixedly installed at the bottom of the connecting frame (402); the movable base plate (502) is fixedly installed at the bottom of the two electric cylinders (501); the multifunctional unit (5) also includes: a movable roller (503) and a circular positioning rod (504); there are two movable rollers (503), and the two movable rollers (503) are fixedly installed at the bottom of the movable base plate (502); there are two circular positioning rods (504), and the two circular positioning rods (504) are fixedly installed at the top of the movable base plate (502); the tops of the two circular positioning rods (504) are chamfered, and the two circular positioning rods (504) are inserted into two positioning holes (1041).

2. The fine aggregate concrete pouring device for photovoltaic cast-in-place piles according to claim 1, characterized in that, The fine aggregate concrete pouring unit (2) includes: a circular guide rod A (201) and a conical sealing block (202); there are four circular guide rods A (201), and the four circular guide rods A (201) are slidably installed on the fine aggregate concrete storage shell (101); the conical sealing block (202) is fixedly installed on the top of the four circular guide rods A (201), and the bottom of the conical sealing block (202) is in contact with the fine aggregate concrete storage shell (101), and the conical sealing block (202) is concentrically arranged with the fine aggregate concrete discharge pipe (102).

3. The fine aggregate concrete pouring device for photovoltaic cast-in-place piles according to claim 2, characterized in that, The fine aggregate concrete pouring unit (2) further includes: a fine aggregate concrete pouring ring (203) and a support spring A (204); the fine aggregate concrete pouring ring (203) is fixedly installed at the bottom of four circular guide rods A (201), and the fine aggregate concrete pouring ring (203) is also slidably connected to the fine aggregate concrete discharge pipe (102); there are four support springs A (204), and the four support springs A (204) are installed outside the four circular guide rods A (201), and the four support springs A (204) are located between the fine aggregate concrete storage shell (101) and the fine aggregate concrete pouring ring (203).

4. The fine aggregate concrete pouring device for photovoltaic cast-in-place piles according to claim 1, characterized in that, The mixing unit (3) includes a cross-shaped mounting bracket (301) and a drive motor (302); the cross-shaped mounting bracket (301) is fixedly installed inside the fine stone concrete storage shell (101); the drive motor (302) is fixedly installed on the top of the cross-shaped mounting bracket (301).

5. The fine aggregate concrete pouring device for photovoltaic cast-in-place piles according to claim 4, characterized in that, The mixing unit (3) further includes: a circular mixing shaft (303) and mixing blades (304); the circular mixing shaft (303) is fixedly installed on the output shaft of the drive motor (302); there are four mixing blades (304), and the four mixing blades (304) are fixedly installed on the outside of the circular mixing shaft (303).

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