Concrete mixing control device

Abstract

The invention discloses a concrete mixing control device, and relates to the technical field of concrete mixing control devices.The concrete mixing control device comprises a rotating plate, a connecting column, a reciprocating lead screw, a sliding block, a round head column, an elastic telescopic fixing column and a circular ring, one end of the rotating plate is fixedly installed at the output end of a motor, and one end of the connecting column is rotatably installed at the other end of the rotating plate; a round hole is formed in the other end of the rotating plate, the reciprocating screw rod is rotationally installed at the other end of the connecting column, the sliding block is slidably installed at the other end of the rotating plate, and one end of the round head column is fixedly installed on the face, close to the rotating plate, of the reciprocating screw rod, so that materials can be more rapidly and uniformly mixed, the stirring time is shortened, and the stirring efficiency is improved. Meanwhile, a high-turbulence sufficient mixing area can be formed near the stirrer, and a high-speed jet flow is generated to push liquid to circularly flow in the stirring container, so that convection of materials in the container is more sufficient, and the stirring efficiency is further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of concrete mixing control devices, and in particular to a concrete mixing control device. Background Art

[0002] The concrete mixing control device is a machine that mixes cement, sand and gravel aggregates and water to make concrete mixture. It is designed to help people save more effort and mix the concrete evenly.

[0003] The patent with patent announcement number CN207310234U involves a powder metering bin, an aggregate metering bin, a mixing barrel and a power device; the power device includes a motor, a first rotor, a second rotor and a pin, the first rotor is fixed on the rotating shaft of the motor, the second rotor is fixed to the first rotor in parallel by a pin, and a stress groove is provided on the pin; a mixing shaft is provided in the mixing barrel, a plurality of mixing rods are provided on the mixing shaft, each mixing rod is provided with a plurality of scrapers, one end of the mixing shaft extends to the outside of the mixing barrel and is meshed and connected with the second rotor; a powder inlet and an aggregate inlet are provided on the mixing barrel, the powder metering bin and the aggregate metering bin are respectively provided at the powder inlet and the aggregate inlet, when the mixing shaft is stuck, the pin breaks from the stress groove, causing the motor to idle, thereby avoiding damage to the motor and effectively metering the powder and aggregate.

[0004] In the above patent, when the stirring shaft is stuck, the pin breaks from the stress groove, causing the motor to idle, thereby avoiding damage to the motor and effectively measuring the powder and aggregate. However, there are still problems. When the stirring device has only the bottom, the stirring time will be increased, and uneven stirring may occur. At the same time, a large amount of resources may be wasted. Uneven stirring may affect subsequent projects and make subsequent projects dangerous. Summary of the invention

[0005] In view of the deficiencies of the prior art, the present invention provides a concrete mixing control device, which solves the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a concrete mixing control device, comprising a chassis, a feed pipe is fixedly installed on the top of the chassis, a motor is arranged on the top of the chassis, a mixing mechanism is arranged at the bottom of the chassis, an emergency mechanism is arranged at the top of the chassis, and an alarm mechanism is arranged at the top of the chassis; Among them, the stirring mechanism includes a rotating plate, a connecting column, a reciprocating screw, a sliding block, a round head column, an elastic telescopic fixed column and a circular ring, one end of the rotating plate is fixedly installed on the output end of the motor, one end of the connecting column is rotatably installed on the other end of the rotating plate, the other end of the rotating plate is provided with a circular hole, the reciprocating screw is rotatably installed on the other end of the connecting column, the sliding block is slidably installed on the other end of the rotating plate, one end of the round head column is fixedly installed on a side of the reciprocating screw close to the rotating plate, the sliding block is provided with a circular through hole, the fixed end of the elastic telescopic fixed column is fixedly installed on the bottom inside the circular through hole, the circular ring is threadedly connected to the circumferential surface of the reciprocating screw, when the rotating plate rotates, it will drive the sliding block to move, when the sliding block moves, it will drive the round head column to move, when the round head column moves, it will drive the reciprocating screw under the connecting column to rotate, and when the reciprocating screw rotates, it will drive the circular ring to move.

[0007] According to the above technical solution, the stirring mechanism also includes a square frame, a soft head column, a cylindrical ring and a protrusion. One end of the square frame is fixedly installed on the circumferential surface of the circular ring, the cylindrical ring is fixedly installed on the other end of the square frame, one end of the soft head column is fixedly installed on the other end of the frame, and a No. 1 slide groove is provided on the inner wall of the chassis. The protrusion is fixedly installed in the No. 1 slide groove. When the square frame moves, it will drive the cylindrical ring to move. When the cylindrical ring moves, it will drive the soft head column to move. When the soft head column moves, it will contact the protrusion in the No. 1 slide groove.

[0008] According to the above technical solution, the other end of the soft head column contacts the protrusion, the sliding block contacts the other end of the round head column, and the movable end of the elastic telescopic fixed column contacts the round hole. When the soft head column moves, it will contact the protrusion in the No. 1 slide groove, and when the sliding block moves, it will drive the round head column to move.

[0009] According to the above technical scheme, the emergency mechanism includes a long plate, an elastic telescopic plate, a limit block, a fixed rod, a right-angle block, a straight rod and a card plate, one end of the long plate is slidably installed on a side of the rotating plate close to the connecting column, the fixed end of the elastic telescopic plate is fixedly installed on the top of the inner wall of the chassis, the fixed end and the free end of the elastic telescopic plate are provided with a circular groove, the limit block is slidably installed on the fixed end of the elastic telescopic plate, the fixed rod is fixedly installed in the circular groove at the free end of the elastic telescopic plate, the right-angle block is slidably installed on the fixed end of the elastic telescopic plate, the other end of the right-angle block contacts the limit block, one end of the straight rod is fixedly installed on the bottom of the right-angle block, and one end of the card plate is fixedly installed on the other end of the straight rod. When the limit block moves, the limit on the fixed rod will be released, and when the limit on the fixed rod is released, the limit on the elastic telescopic plate will be released, and when the limit on the elastic telescopic plate is released, the feeding pipe will be blocked.

[0010] According to the above technical solution, the emergency mechanism also includes an elastic telescopic spring column, an inclined block, an elastic telescopic cover plate, a rounded corner plate and a T-shaped block. The fixed end of the elastic telescopic spring column is fixedly installed on the bottom of the fixed end of the elastic telescopic plate, the inclined block is fixedly installed on the top of the square frame, the fixed end of the elastic telescopic cover plate is fixedly installed on the inner wall of the feed pipe close to the connecting column, and the T-shaped block is slidably installed on the top of the square frame. When the inclined block moves to the top, it will drive the rounded corner plate to move, and when the rounded corner plate moves, it will drive the elastic telescopic cover plate to move.

[0011] According to the above technical solution, the other end of the card plate contacts the free end of the elastic telescopic column, the T-shaped block contacts the inclined block, the rounded plate contacts the inclined block, and the other end of the long plate contacts the limit block. When the card plate moves, the limit on the elastic telescopic column will be released. When the limit of the elastic telescopic column is released, it will contact the T-shaped block. When the long plate moves, it will drive the limit block to move.

[0012] According to the above technical scheme, the alarm mechanism includes an alarm box, a long column, a splint, a sound board, an elastic telescopic alarm rod, a square plate, a rectangular block, a vertical rod, a limit rod and a soft strip board, the alarm box is fixedly mounted on the top of the chassis, one end of the long column is fixedly mounted on the free end of the elastic telescopic plate, the fixed end of the elastic telescopic alarm rod is fixedly mounted on the bottom of the inner wall of the alarm box, the sound board is fixedly mounted on the inner wall of the alarm box, the soft strip board is fixedly mounted on the free end of the elastic telescopic alarm rod, the rectangular block is slidably mounted on a side of the alarm box close to the feed pipe, one end of the square plate is fixedly mounted on an end of the rectangular block close to the feed pipe, the splint is fixedly mounted on the other end of the square plate, one end of the vertical rod is fixedly mounted on an end of the rectangular block away from the feed pipe, and the limit rod is fixedly mounted on the other end of the vertical rod. When the splint moves, it will drive the square plate to move, when the square plate moves, it will drive the rectangular block to move, when the rectangular block moves, it will drive the vertical rod to move, and when the vertical rod moves, it will drive the limit rod to move.

[0013] According to the above technical solution, the other end of the long column contacts the splint, the limit rod contacts the elastic telescopic alarm rod, and the soft strip contacts the sound board. When the long column moves, it will drive the splint to separate to both sides. When the soft strip moves, it will contact the sound board and vibrate, producing sound.

[0014] The present invention provides a concrete mixing control device, which has the following beneficial effects: (1) In this invention, when the soft head column moves, it will contact the protrusion in the No. 1 slide groove, generating vibration to cause the concrete on the cylindrical ring and the square frame to fall off, which can effectively shake off the concrete on the mixer to prevent solidification from causing damage to the machine. When the reciprocating screw rotates, it will drive the ring to move, and when the ring moves, it will drive the square frame to move, and when the square frame moves, it will drive the cylindrical ring to move, so that the material can be mixed evenly more quickly, reducing the mixing time. At the same time, it can also form a high-turbulence fully mixed zone near the mixer, and generate a high-speed jet to drive the liquid to circulate in the mixing container, so that the convection of the material in the container is more sufficient, further improving the mixing efficiency.

[0015] (2) In the present invention, when the limit of the rounded corner plate is released, the limit of the elastic telescopic cover plate will be released, and when the limit of the elastic telescopic cover plate is released, the feed of the feed pipe will be closed, which can avoid the feed port being unable to be closed in time when an internal fault occurs. When the limit block moves, the limit of the fixed rod will be released, and when the limit of the fixed rod is released, the limit of the elastic telescopic plate will be released. When the limit of the elastic telescopic plate is released, the feed pipe will be blocked, which can effectively block the material and prevent the material from entering continuously and affecting subsequent maintenance. At the same time, it can also reduce the downtime in the production process, improve production efficiency, and ensure the smooth implementation of the production plan.

[0016] (3) In the present invention, when the limit rod moves, the limit on the elastic telescopic alarm rod inside the alarm box is released. When the limit of the elastic telescopic alarm rod is released, an alarm is sounded, which can effectively remind the staff of the internal situation of the machine. When the elastic telescopic alarm rod moves, it drives the soft strip to move. When the soft strip moves and contacts the sound plate, a sound is made, which can quickly inform the maintenance personnel and operators who are far away, so as to take timely measures to avoid further damage to the machine, reduce maintenance costs and downtime, and when time is urgent, allow the staff to evacuate the dangerous area before the danger occurs to ensure life safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the motor and chassis structure of the present invention; Figure 3 It is a schematic diagram of the structure of the motor and the reciprocating screw rod of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the structure enlargement of part A; Figure 5 It is a schematic diagram of the reciprocating screw rod and the chassis structure of the present invention; Figure 6 For the present invention Figure 5 A schematic diagram of the structure of part B in the middle is enlarged; Figure 7 It is a schematic diagram of the structure of the reciprocating screw rod and the cylindrical ring of the present invention; Figure 8 This is a schematic diagram of the structure of the long board and the alarm box of the present invention; Fig. 9 For the present invention Figure 8 The enlarged schematic diagram of the structure of part C in the middle; Fig.10 This is a schematic diagram of the structure of the oblique block and the rounded corner plate of the present invention; Fig.11 This is a schematic diagram of the elastic telescopic plate and long column structure of the present invention; Fig.12 It is a schematic diagram of the rectangular parallelepiped and vertical rod structure of the present invention.

[0018] In the figure: 1, chassis; 2, feed pipe; 3, motor; 401, rotating plate; 403, connecting column; 404, reciprocating screw rod; 405, sliding block; 406, round head column; 407, elastic telescopic fixed column; 408, circular ring; 409, square frame; 410, soft head column; 411, cylindrical ring; 402, protrusion; 501, long board; 502, elastic telescopic board; 503, limit block; 504, fixed rod; 50 5. Right-angle block; 507. Straight rod; 508. Card plate; 509. Elastic telescopic spring column; 510. Oblique block; 511. Elastic telescopic cover plate; 512. Rounded corner plate; 506. T-shaped block; 601. Alarm box; 602. Long column; 603. Clamp; 604. Sound board; 605. Elastic telescopic alarm rod; 606. Square plate; 607. Rectangular block; 608. Vertical rod; 609. Limit rod; 610. Soft strip board. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 12 , one embodiment of the present invention is: a concrete mixing control device, comprising a chassis 1, a feed pipe 2 is fixedly installed on the top of the chassis 1, a motor 3 is arranged on the top of the chassis 1, and a mixing mechanism is arranged at the bottom of the chassis 1; The stirring mechanism includes a rotating plate 401, a connecting column 403, a reciprocating screw rod 404, a sliding block 405, a round head column 406, an elastic telescopic fixed column 407 and a ring 408. One end of the rotating plate 401 is fixedly mounted on the output end of the motor 3, one end of the connecting column 403 is rotatably mounted on the other end of the rotating plate 401, a round hole is opened on the other end of the rotating plate 401, the reciprocating screw rod 404 is rotatably mounted on the other end of the connecting column 403, the sliding block 405 is slidably mounted on the other end of the rotating plate 401, and one end of the round head column 406 is fixedly mounted on the output end of the motor 3. On one side of the reciprocating screw 404 close to the rotating plate 401, the sliding block 405 is provided with a circular through hole, the fixed end of the elastic telescopic fixing column 407 is fixedly installed at the bottom inside the circular through hole, and the circular ring 408 is threadedly connected to the circumferential surface of the reciprocating screw 404, so that the material can be mixed evenly more quickly, reducing the stirring time, and at the same time, a high-turbulence and fully mixed zone can be formed near the agitator, and a high-speed jet can be generated to promote the circulation of the liquid in the stirring container, so that the convection of the material in the container is more sufficient, further improving the stirring efficiency.

[0021] The stirring mechanism also includes a square frame 409, a soft head column 410, a cylindrical ring 411 and a protrusion 402. One end of the square frame 409 is fixedly installed on the circumferential surface of the ring 408, the cylindrical ring 411 is fixedly installed on the other end of the square frame 409, and one end of the soft head column 410 is fixedly installed on the other end of the frame 409. A No. 1 slide groove is provided on the inner wall of the chassis 1, and the protrusion 402 is fixedly installed in the No. 1 slide groove. When the square frame 409 moves, the cylindrical ring 411 will be driven to move. When the cylindrical ring 411 moves, the soft head column 410 will be driven to move. When the soft head column 410 moves, it will contact the protrusion 402 in the No. 1 slide groove.

[0022] The other end of the soft head column 410 contacts the protrusion 402, the sliding block 405 contacts the other end of the round head column 406, and the movable end of the elastic telescopic fixed column 407 contacts the round hole. When the soft head column 410 moves, it will contact the protrusion 402 in the No. 1 slide groove, and when the sliding block 405 moves, it will drive the round head column 406 to move.

[0023] When the present embodiment is working: the material is put into the feed pipe 2, enters the chassis 1, and the motor 3 is started. When the motor 3 is started, the rotating plate 401 is driven to rotate. When the rotating plate 401 rotates, the sliding block 405 is driven to move. When the sliding block 405 moves, the round head column 406 is driven to move. When the round head column 406 moves, the reciprocating screw rod 404 under the connecting column 403 is driven to rotate. When the reciprocating screw rod 404 rotates, the circular ring 408 is driven to move. When the circular ring 408 moves, the square frame 409 is driven to move. When the square frame 409 moves, the cylindrical ring 411 is driven to move. When the cylindrical ring 411 moves, the soft head column 410 is driven to move. When the soft head column 410 moves, it will contact the protrusion 402 in the No. 1 slide groove, generating vibration to cause the cylindrical ring 411 and the concrete on the square frame 409 to fall off. When the reciprocating screw 404 is stuck, the round head column 406 will push the sliding block 405 to move. When the sliding block 405 moves, it will drive the elastic telescopic fixed column 407 to move into the circular hole groove. When the elastic telescopic fixed column 407 moves into the circular hole groove, the limit on the elastic telescopic fixed column 407 will be released. When the limit of the elastic telescopic fixed column 407 is released, the free end of the elastic telescopic fixed column 407 will enter the circular hole, thereby disengaging the transmission between the rotating plate 401 and the reciprocating screw 404.

[0024] See also Figure 1-Figure 12 On the basis of the above embodiment, in another embodiment of the present invention, an emergency mechanism is arranged on the top of the chassis 1, and an alarm mechanism is arranged on the top of the chassis 1. The emergency mechanism includes a long plate 501, an elastic expansion plate 502, a limit block 503, a fixed rod 504, a right-angle block 505, a straight rod 507 and a card plate 508. One end of the long plate 501 is slidably mounted on a side of the rotating plate 401 close to the connecting column 403, and the fixed end of the elastic expansion plate 502 is fixedly mounted on the top of the inner wall of the chassis 1. A circular groove is provided at the fixed end and the free end of the elastic expansion plate 502. The limit block 503 is slidably mounted on the elastic expansion plate 502. At the fixed end of the telescopic plate 502, the fixing rod 504 is fixedly installed in the circular groove at the free end of the elastic telescopic plate 502, the right-angle block 505 is slidably installed at the fixed end of the elastic telescopic plate 502, and the other end of the right-angle block 505 is in contact with the limit block 503, one end of the straight rod 507 is fixedly installed at the bottom of the right-angle block 505, and one end of the clamping plate 508 is fixedly installed at the other end of the straight rod 507, which can effectively block the material and prevent the material from entering all the time, causing an impact on subsequent maintenance. At the same time, it can also reduce the downtime in the production process, improve production efficiency, and ensure the smooth progress of the production plan.

[0025] The emergency mechanism also includes an elastic telescopic spring column 509, an inclined block 510, an elastic telescopic cover plate 511, a rounded corner plate 512 and a T-shaped block 506. The fixed end of the elastic telescopic spring column 509 is fixedly installed on the bottom of the fixed end of the elastic telescopic plate 502, the inclined block 510 is fixedly installed on the top of the square frame 409, the fixed end of the elastic telescopic cover plate 511 is fixedly installed on the inner wall of the feed pipe 2 close to the connecting column 403, and the T-shaped block 506 is slidably installed on the top of the square frame 409. When the inclined block 510 moves to the top, it will drive the rounded corner plate 512 to move, and when the rounded corner plate 512 moves, it will drive the elastic telescopic cover plate 511 to move.

[0026] The other end of the card plate 508 contacts the free end of the elastic telescopic column 509, the T-shaped block 506 contacts the inclined block 510, the rounded plate 512 contacts the inclined block 510, and the other end of the long plate 501 contacts the limit block 503. When the card plate 508 moves, the limit on the elastic telescopic column 509 will be released. When the limit of the elastic telescopic column 509 is released, it will contact the T-shaped block 506. When the long plate 501 moves, it will drive the limit block 503 to move.

[0027] The alarm mechanism includes an alarm box 601, a long column 602, a clamp 603, a sound board 604, an elastic telescopic alarm rod 605, a square plate 606, a rectangular parallelepiped 607, a vertical rod 608, a limit rod 609 and a soft strip board 610. The alarm box 601 is fixedly mounted on the top of the chassis 1, one end of the long column 602 is fixedly mounted on the free end of the elastic telescopic plate 502, the fixed end of the elastic telescopic alarm rod 605 is fixedly mounted on the bottom of the inner wall of the alarm box 601, the sound board 604 is fixedly mounted on the inner wall of the alarm box 601, the soft strip board 610 is fixedly mounted on the free end of the elastic telescopic alarm rod 605, and the rectangular parallelepiped 607 is slidably mounted on the alarm box 601 near the feed pipe 2 On one side, one end of the square plate 606 is fixedly mounted on one end of the rectangular parallelepiped 607 close to the feed pipe 2, the splint 603 is fixedly mounted on the other end of the square plate 606, one end of the vertical rod 608 is fixedly mounted on one end of the rectangular parallelepiped 607 away from the feed pipe 2, and the limit rod 609 is fixedly mounted on the other end of the vertical rod 608. When the soft strip 610 moves and contacts the sound plate 604, a sound will be made, which can quickly inform maintenance personnel and operators at a long distance, so as to take timely measures to avoid further damage to the machine, reduce maintenance costs and downtime, and when time is urgent, allow the staff to evacuate the dangerous area before the danger occurs to ensure life safety.

[0028] The other end of the long column 602 contacts the splint 603, the limit rod 609 contacts the elastic telescopic alarm rod 605, and the soft strip 610 contacts the sound board 604. When the long column 602 moves, it will drive the splint 603 to separate to both sides. When the soft strip 610 moves, it will contact the sound board 604 and vibrate to produce sound.

[0029] When this embodiment is working: when the sliding block 405 moves, it will drive the long plate 501 to move, and when the long plate 501 moves, it will drive the limit block 503 to move, and when the limit block 503 moves, the limit on the fixed rod 504 will be released, and when the limit of the fixed rod 504 is released, the limit on the elastic telescopic plate 502 will be released, and when the limit of the elastic telescopic plate 502 is released, the feed pipe 2 will be blocked, and when the soft head column 410 moves, it will drive the inclined block 510 to move, and when the soft head column 410 moves to the top and is stuck, the inclined block 510 will move to the top, and when the inclined block 510 moves to the top, it will drive the rounded plate 512 to move, and when the rounded plate 512 moves, it will drive the elastic telescopic cover plate 511 to move, and when the limit block 503 moves, it will drive the right-angle block 505 to move, and when the right-angle block 505 moves It will drive the straight rod 507 to move, and when the straight rod 507 moves, it will drive the clamping plate 508 to move. When the clamping plate 508 moves, the limit on the elastic telescopic column 509 will be released. When the limit of the elastic telescopic column 509 is released, it will contact the T-shaped block 506. Because the spring coefficient of the elastic telescopic column 509 is greater than the friction coefficient between the T-shaped block 506 and the inclined block 510, when the elastic telescopic column 509 contacts the T-shaped block 506, it will move the T-shaped block 506. When the T-shaped block 506 moves, the limit on the inclined block 510 will be released. When the limit of the inclined block 510 is released, the limit on the rounded plate 512 will be released. When the limit of the rounded plate 512 is released, the limit on the elastic telescopic cover plate 511 will be released. When the limit of the elastic telescopic cover plate 511 is released, the feeding of the feeding pipe 2 will be closed.

[0030] When the elastic telescopic plate 502 moves, it will drive the long column 602 to move. When the long column 602 moves, it will drive the splint 603 to separate. When the splint 603 moves, it will drive the square plate 606 to move. When the square plate 606 moves, it will drive the rectangular parallelepiped 607 to move. When the rectangular parallelepiped 607 moves, it will drive the vertical rod 608 to move. When the vertical rod 608 moves, it will drive the limiting rod 609 to move. When the limiting rod 609 moves, the limiting of the elastic telescopic alarm rod 605 inside the alarm box 601 will be released. When the limiting of the elastic telescopic alarm rod 605 is released, an alarm will be sounded. When the elastic telescopic alarm rod 605 moves, it will drive the soft strip board 610 to move. When the soft strip board 610 moves and contacts with the sound board 604, a sound will be made.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A concrete mixing control device, comprising a housing (1), characterized in that: A feed pipe (2) is fixedly mounted on the top of the chassis (1), a motor (3) is arranged on the top of the chassis (1), a stirring mechanism is arranged at the bottom of the chassis (1), an emergency mechanism is arranged at the top of the chassis (1), and an alarm mechanism is arranged at the top of the chassis (1); The stirring mechanism comprises a rotating plate (401), a connecting column (403), a reciprocating screw rod (404), a sliding block (405) and a round-head column (406); one end of the rotating plate (401) is fixedly mounted on the output end of the motor (3); one end of the connecting column (403) is rotatably mounted on the other end of the rotating plate (401); a round hole is provided at the other end of the rotating plate (401); the reciprocating screw rod (404) is rotatably mounted on the other end of the connecting column (403); the sliding block (405) is slidably mounted on the other end of the rotating plate (401); one end of the round-head column (406) is fixedly mounted on a side of the reciprocating screw rod (404) close to the rotating plate (401); and the sliding block (405) is provided with a round through hole.

2. A concrete mixing control device according to claim 1, characterized in that: The stirring mechanism further comprises an elastic telescopic fixing column (407) and a circular ring (408); the fixed end of the elastic telescopic fixing column (407) is fixedly mounted on the bottom of the circular through hole; and the circular ring (408) is threadedly connected to the circumferential surface of the reciprocating screw rod (404).

3. A concrete mixing control device according to claim 2, characterized in that: The stirring mechanism further comprises a square frame (409), a soft head column (410), a cylindrical ring (411) and a protrusion (402); one end of the square frame (409) is fixedly mounted on the circumferential surface of the circular ring (408); the cylindrical ring (411) is fixedly mounted on the other end of the square frame (409); one end of the soft head column (410) is fixedly mounted on the other end of the square frame (409); a first slide groove is provided on the inner wall of the chassis (1); and the protrusion (402) is fixedly mounted in the first slide groove.

4. A concrete mixing control device according to claim 3, characterized in that: The other end of the soft head column (410) contacts the convex block (402), the sliding block (405) contacts the other end of the round head column (406), and the movable end of the elastic telescopic fixed column (407) contacts the circular hole.

5. A concrete mixing control device according to claim 4, characterized in that: The emergency mechanism comprises a long plate (501), an elastic expansion plate (502), a limit block (503), a fixed rod (504), a right-angle block (505), a straight rod (507) and a clamping plate (508); one end of the long plate (501) is slidably mounted on a side of the rotating plate (401) close to the connecting column (403); the fixed end of the elastic expansion plate (502) is fixedly mounted on the top of the inner wall of the chassis (1); the fixed end and the free end of the elastic expansion plate (502) are provided with a circular groove; the limit block (503) is slidably mounted on the fixed end of the elastic telescopic plate (502), the fixed rod (504) is fixedly mounted in the circular groove at the free end of the elastic telescopic plate (502), the right-angle block (505) is slidably mounted on the fixed end of the elastic telescopic plate (502), the other end of the right-angle block (505) is in contact with the limit block (503), one end of the straight rod (507) is fixedly mounted on the bottom of the right-angle block (505), and one end of the clamping plate (508) is fixedly mounted on the other end of the straight rod (507).

6. A concrete mixing control device according to claim 5, characterized in that: The emergency mechanism further comprises an elastic telescopic spring column (509), an inclined block (510), an elastic telescopic cover plate (511), a rounded plate (512) and a T-shaped block (506); the fixed end of the elastic telescopic spring column (509) is fixedly mounted on the bottom of the fixed end of the elastic telescopic plate (502); the inclined block (510) is fixedly mounted on the top of the square frame (409); the fixed end of the elastic telescopic cover plate (511) is fixedly mounted on a side of the inner wall of the feed pipe (2) close to the connecting column (403); and the T-shaped block (506) is slidably mounted on the top of the square frame (409).

7. A concrete mixing control device according to claim 6, characterized in that: The other end of the clamping plate (508) contacts the free end of the elastic telescopic spring column (509), the T-shaped block (506) contacts the inclined block (510), the rounded plate (512) contacts the inclined block (510), and the other end of the long plate (501) contacts the limit block (503).

8. A concrete mixing control device according to claim 7, characterized in that: The alarm mechanism comprises an alarm box (601), a long column (602), a clamping plate (603), a sounding plate (604), an elastic telescopic alarm rod (605), a square plate (606) and a rectangular parallelepiped (607), wherein the alarm box (601) is fixedly mounted on the top of the chassis (1), one end of the long column (602) is fixedly mounted on the free end of the elastic telescopic plate (502), the fixed end of the elastic telescopic alarm rod (605) is fixedly mounted on the bottom of the inner wall of the alarm box (601), the sounding plate (604) is fixedly mounted on the inner wall of the alarm box (601), the rectangular parallelepiped (607) is slidably mounted on a side of the alarm box (601) close to the feeding pipe (2), one end of the square plate (606) is fixedly mounted on one end of the rectangular parallelepiped (607) close to the feeding pipe (2), and the clamping plate (603) is fixedly mounted on the other end of the square plate (606).

9. A concrete mixing control device according to claim 8, characterized in that: The alarm mechanism further comprises a vertical rod (608), a limiting rod (609) and a soft strip plate (610); one end of the vertical rod (608) is fixedly mounted on an end of the rectangular parallelepiped (607) away from the feeding pipe (2); the limiting rod (609) is fixedly mounted on the other end of the vertical rod (608); and the soft strip plate (610) is fixedly mounted on the free end of the elastic telescopic alarm rod (605).

10. A concrete mixing control device according to claim 9, characterized in that: The other end of the long column (602) contacts the clamping plate (603), the limiting rod (609) contacts the elastic telescopic alarm rod (605), and the soft strip plate (610) contacts the sound board (604).

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