Concrete mixing device

Abstract

The utility model provides a concrete mixing device. The concrete mixing device comprises a shell, a stirring unit and a plurality of scraping units, a feed port is formed in the top of the shell, and a discharge port is formed in the bottom of the shell; the stirring unit comprises a stirring motor and a stirring head; the stirring head is rotatably mounted in the shell; the stirring motor is fixed outside the shell and is in transmission connection with the stirring head; the scraping unit comprises a scraping motor, a double-helix screw and two scraping plates; the double-helix screw is rotatably mounted in the shell; the scraping motor is fixed outside the shell and is in transmission connection with the double-helix screw; the scraper is arranged in the machine shell, and one side of the scraper abuts against the inner wall of the machine shell. The problem that concrete remains on the inner wall of the stirrer can be effectively solved. By arranging the scraping plate structure, concrete residues can be thoroughly scraped, it is ensured that concrete is discharged more thoroughly, material waste is reduced, meanwhile, the workload of cleaning the stirrer is reduced, and production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete processing, in particular to a concrete mixing device. Background Art

[0002] In the concrete production process, concrete mixers are essential equipment. However, due to the high viscosity and stickiness of concrete, concrete often remains on the inner wall of the mixer. This residue not only leads to the waste of concrete, but also affects the mixing effect of the next batch of concrete in the mixer.

[0003] The traditional solution is usually to clean the residual concrete on the inner wall of the mixer manually or using special tools. However, this method is cumbersome, time-consuming and labor-intensive, and often cannot completely remove the residual concrete, which easily leads to waste.

[0004] Another solution is to set a scraper structure on the inner wall of the mixer to completely remove the residual concrete by scraping. However, the traditional scraper structure has problems such as unreasonable design and poor scraping effect, and cannot completely solve the problem of concrete residue. Therefore, it is necessary to provide a new type of concrete mixing device to solve the above problems. Utility Model Content

[0005] In view of the above-mentioned technical deficiencies, the purpose of the utility model is to provide a concrete mixing device to solve the problem of concrete residue on the inner wall of the agitator, reduce waste and improve production efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A concrete mixing device comprises a casing, a stirring unit and a plurality of scraping units; a feeding port is arranged on the top of the casing, and a discharging port is arranged on the bottom; the stirring unit comprises a stirring motor and a stirring head; the stirring head is rotatably installed in the casing; the stirring motor is fixed on the outside of the casing and is connected to the stirring head by transmission; the scraping unit comprises a scraping motor, a double-helical screw and two scrapers; the double-helical screw is rotatably installed in the casing; the scraping motor is fixed on the outside of the casing and is connected to the double-helical screw by transmission; the scrapers are arranged The scraper is inside the casing, and one side of the scraper is against the inner wall of the casing; a screw hole matched with the double-helix screw is arranged on the scraper, the double-helix screw passes through the screw hole, and the scraper is threadedly connected to the double-helix screw hole; the two scrapers are symmetrically arranged on the double-helix screw; a material gate is arranged on the discharge port; the material gate includes an oil cylinder and two symmetrically arranged gate plates; the upper end of the gate plate is hinged to the outer surface of the casing, and the lower end is arranged in contact with the discharge port; one end of the oil cylinder is hinged to the side of one of the gate plates, and the other end is hinged to the side of the other gate plate.

[0008] Preferably, the scraper unit also includes a guide rod; the guide rod is placed in the casing, and both ends of the guide rod are fixed to the casing; the scraper is provided with a guide hole for accommodating the guide rod to pass through, and the guide rod can be slidably placed in the guide hole; two guide rods are configured and placed on both sides of the double-helix screw.

[0009] Preferably, the stirring head includes a roller and a plurality of stirring rods; the roller is rotatably installed in the casing; the stirring motor is transmission-connected to the roller; one end of the stirring rod is fixedly connected to the roller; the plurality of stirring rods are distributed in a circular array with the axis of the roller as the center, and are equally spaced along the axis of the roller.

[0010] Preferably, the gate plate includes a horizontal plate and two symmetrically arranged longitudinal plates; the horizontal plate is horizontally arranged below the discharge port; the two longitudinal plates are vertically arranged on both sides of the casing; the upper end of the longitudinal plate is hinged to the casing, and the lower end is fixedly connected to the horizontal plate; the oil cylinder is hingedly connected to the longitudinal plates.

[0011] Preferably, the material gate further comprises a plate chain belt; the plate chain belt is placed between the transverse plate and the material outlet; one end of the plate chain belt is hingedly connected to the casing, and the other end is hingedly connected to the transverse plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] This utility model patent provides a scraper structure that can effectively solve the problem of concrete residue on the inner wall of the mixer. By setting up the scraper structure, the concrete residue can be completely scraped off, ensuring that the concrete is discharged more thoroughly, reducing material waste, and at the same time reducing the workload of cleaning the mixer and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the utility model.

[0017] in:

[0018] 1. Casing; 2. Stirring motor; 3. Scraper motor; 4. Longitudinal plate; 5. Horizontal plate; 6. Oil cylinder; 7. Plate chain belt; 8. Feed inlet; 9. Discharge outlet; 10. Double-helix screw; 11. Guide rod; 12. Stirring rod; 13. Roller; 14. Scraper. DETAILED DESCRIPTION

[0019] The utility model will be further described below in conjunction with the accompanying drawings.

[0020] like Figures 1 to 3 As shown, a concrete mixing device comprises a casing 1, a stirring unit and a plurality of scraping units; a feeding port 8 is provided on the top of the casing 1, and a discharging port 9 is provided on the bottom. The raw materials are poured into the casing 1 from the feeding port 8, mixed by the stirring unit, and then discharged from the discharging port 9; the stirring unit comprises a stirring motor 2 and a stirring head; the stirring head is rotatably installed in the casing 1; the stirring motor 2 is fixed to the outside of the casing 1 and is transmission-connected to the stirring head. After the stirring motor 2 is started, the stirring head is driven to rotate, and the concrete is stirred and mixed by the stirring head; the scraping unit comprises a scraping motor 3, a double-helical screw 10 and two scrapers 14; the double-helical screw 10 is rotatably installed in the casing 1; the scraping motor 3 is fixed to the outside of the casing 1 and is transmission-connected to the double-helical screw 10; the scraper 14 is placed in the casing 1, and one side of the scraper 14 abuts against the inner wall of the casing 1; the scraper 14 is provided with a screw hole adapted to the double-helical screw 10 , the double-helix screw 10 passes through the screw hole, and the scraper 14 is threadedly connected to the double-helix screw hole; the two scrapers 14 are symmetrically arranged on the double-helix screw 10; after the scraper motor 3 is started, the double-helix screw 10 is driven to rotate, and the two scrapers 14 move in the same or opposite directions under the drive of the double-helix screw 10, and the scraper motor 3 drives the scraper 14 to reciprocate in the forward and reverse directions, and the concrete on the inner wall of the casing 1 is scraped by the scraper 14, so that the concrete falls smoothly; a material gate is arranged on the discharge port 9; the material gate includes an oil cylinder 6 and two symmetrically arranged gate plates; the upper end of the gate plate is hinged to the outer surface of the casing 1, and the lower end is arranged in contact with the discharge port 9; one end of the oil cylinder 6 is hinged to the side of one of the gate plates, and the other end is hinged to the side of the other gate plate; when the piston rod of the oil cylinder 6 retracts inward, the two gate plates are pulled close to each other, and the discharge port 9 is closed by the gate plates. When the piston rod extends outward, the two gate plates are pushed to separate from each other, and the discharge port 9 is opened.

[0021] Furthermore, the scraper unit also includes a guide rod 11; the guide rod 11 is placed in the casing 1, and both ends are fixed to the casing 1; a guide hole for accommodating the guide rod 11 to pass through is provided on the scraper 14, and the guide rod 11 can be slidably placed in the guide hole; two guide rods 11 are configured, which are placed on both sides of the double-helix screw 10; the setting of the guide rod 11 makes the movement of the scraper 14 in the casing 1 smoother.

[0022] Furthermore, the mixing head includes a roller 13 and a plurality of mixing rods 12; the roller 13 is rotatably installed in the casing 1; the mixing motor 2 is transmission-connected to the roller 13; one end of the mixing rod 12 is fixedly connected to the roller 13; the plurality of mixing rods 12 are distributed in a circular array with the axis of the roller 13 as the center, and are arranged at equal intervals along the axis direction of the roller 13; the mixing motor 2 drives the roller 13 and the mixing rod 12 to rotate, and the concrete is stirred by the mixing rod 12 for mixing.

[0023] Furthermore, the gate includes a transverse plate 5 and two symmetrically arranged longitudinal plates 4; the transverse plate 5 is horizontally arranged below the discharge port 9; the two longitudinal plates 4 are vertically arranged on both sides of the casing 1; the upper ends of the longitudinal plates 4 are hinged to the casing 1, and the lower ends are fixedly connected to the transverse plate 5; the oil cylinder 6 is hingedly connected to the longitudinal plates 4, and the discharge port 9 is blocked by the transverse plate 5 to prevent leakage during stirring and mixing.

[0024] Furthermore, the material gate also includes a plate chain belt 7; the plate chain belt 7 is placed between the transverse plate 5 and the discharge port 9; one end of the plate chain belt 7 is hingedly connected to the casing 1, and the other end is hingedly connected to the transverse plate 5. The setting of the plate chain belt 7 can make the closure of the discharge port 9 more tightly and prevent concrete from flowing out of the gap.

[0025] When in use, the piston rod of the oil cylinder 6 is pulled back to make the plate chain belt 7 block the discharge port 9, and the raw materials are added into the casing 1 from the feed port 8, and the stirring motor 2 is started to stir the raw materials through the stirring head, and the scraper motor 3 is started at the same time to drop the concrete on the inner wall of the casing 1 through the scraper 14; after the stirring is completed, the piston rod of the oil cylinder 6 extends outward, the discharge port 9 is opened, and the concrete is discharged from the discharge port 9.

Claims

1. A concrete mixing device, characterized in that: The invention comprises a casing (1), a stirring unit and a plurality of scraping units; the casing (1) is provided with a feeding port (8) at the top and a discharging port (9) at the bottom; the stirring unit comprises a stirring motor (2) and a stirring head; the stirring head is rotatably mounted in the casing (1); the stirring motor (2) is fixed to the outside of the casing (1) and is in transmission connection with the stirring head; the scraping unit comprises a scraping motor (3), a double-helical screw (10) and two scraping plates (14); the double-helical screw (10) is rotatably mounted in the casing (1); the scraping motor (3) is fixed to the outside of the casing (1) and is in transmission connection with the double-helical screw (10); the scraping plates (14) are arranged on the casing (1), and one side of the scraper (14) abuts against the inner wall of the casing (1); a screw hole matching the double-helix screw (10) is provided on the scraper (14), the double-helix screw (10) passes through the screw hole, and the scraper (14) is threadedly connected to the double-helix screw hole; the two scrapers (14) are symmetrically arranged on the double-helix screw (10); a material gate is provided on the discharge port (9); the material gate includes an oil cylinder (6) and two symmetrically arranged gate plates; the upper end of the gate plate is hinged to the outer surface of the casing (1), and the lower end is arranged in contact with the discharge port (9); one end of the oil cylinder (6) is hinged to the side of one of the gate plates, and the other end is hinged to the side of the other gate plate.

2. The concrete mixing device according to claim 1, characterized in that: The scraper unit further comprises a guide rod (11); the guide rod (11) is disposed in the housing (1) and fixed to the housing (1) at both ends; the scraper (14) is provided with a guide hole for accommodating the guide rod (11) to pass through, and the guide rod (11) is slidably disposed in the guide hole; two guide rods (11) are provided and disposed on both sides of the double-helix screw (10).

3. The concrete mixing device according to claim 1, characterized in that: The stirring head comprises a roller (13) and a plurality of stirring rods (12); the roller (13) is rotatably mounted in the housing (1); the stirring motor (2) is transmission-connected to the roller (13); one end of the stirring rod (12) is fixedly connected to the roller (13); the plurality of stirring rods (12) are distributed in a circular array with the axis of the roller (13) as the center, and are arranged at equal intervals along the axis direction of the roller (13).

4. The concrete mixing device according to claim 1, characterized in that: The gate plate comprises a transverse plate (5) and two symmetrically arranged longitudinal plates (4); the transverse plate (5) is horizontally arranged below the discharge port (9); the two longitudinal plates (4) are vertically arranged on both sides of the casing (1); the upper end of the longitudinal plate (4) is hinged to the casing (1), and the lower end is fixedly connected to the transverse plate (5); the oil cylinder (6) is hingedly connected to the longitudinal plates (4).

5. The concrete mixing device according to claim 4, characterized in that: The material gate also includes a plate chain belt (7); the plate chain belt (7) is placed between the transverse plate (5) and the discharge port (9); one end of the plate chain belt (7) is hingedly connected to the housing (1), and the other end is hingedly connected to the transverse plate (5).

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