CN219726750U - Fine batching device of concrete mixing plant - Google Patents

Abstract

The utility model discloses a fine batching device of a concrete mixing plant, which relates to the technical field of concrete batching and aims to solve the problems that raw materials cannot be sufficiently mixed due to the fact that a stirring mechanism is arranged at a fixed position and the stirring range is limited, layering phenomenon still exists among the raw materials. According to the utility model, through the arrangement of the first stirring piece, the spiral conveying piece and the second stirring piece, multiple stirring can be carried out on raw materials, so that the raw materials are stirred and mixed thoroughly.

Description

A kind of fine batching device for concrete mixing station

Technical field

The present application relates to the field of concrete batching, and in particular to a fine batching device for a concrete mixing station.

Background technique

Concrete refers to artificial stone made of cement as the main cementing material, mixed with water, sand, gravel, and chemical admixtures and mineral admixtures when necessary, in appropriate proportions, uniformly stirred, densely formed, and cured and hardened. During the concrete production process, a variety of raw materials need to be mixed.

The existing Chinese patent with announcement number CN214819585U discloses a batching device for a concrete mixing station, which includes a frame and a plurality of storage barrels arranged on the frame. Each storage barrel is provided with a discharge port. It includes a mixing chamber and a plurality of discharge pipes. One end of the discharge pipe is fixedly connected to the discharge port of the storage barrel, and the other end of the discharge pipe is connected to one side of the mixing cavity. A discharge pipe is provided on the side of the cavity away from the discharge pipe. The discharge pipe is connected with the mixing cavity. The discharge pipe is located on the upper side of the conveyor belt. A switch valve is provided on the discharge pipe. Inside the mixing cavity A stirring mechanism for preliminary mixing of materials is provided.

Regarding the above-mentioned related technologies, the inventor found that there are at least the following problems in this technology: after multiple raw materials enter the mixing chamber, since the stirring mechanism is set at a fixed position, during the mixing process, the stirring range that the stirring mechanism can reach is limited. This will cause some of the raw materials in the mixing chamber to be unable to be contacted by the stirring mechanism, making it impossible for the raw materials to be sufficiently stirred, and there may still be stratification between the raw materials.

Utility model content

In order to improve the problem that since the mixing mechanism is set in a fixed position and the mixing range is limited, the raw materials cannot be sufficiently mixed, and there may still be stratification between the raw materials, this application provides a fine batching device for a concrete mixing station.

This application provides a fine batching device for a concrete mixing station, which adopts the following technical solution:

A fine batching device for a concrete mixing station, including a first bracket, a second bracket located below the first bracket, and a mixing bin rotatably installed on the second bracket. The inner top wall of the first bracket is fixedly installed with a hydraulic Cylinder, the piston end of the hydraulic cylinder is fixedly connected with a support plate, the top of the support plate is fixedly connected with a premixing box, and the top of the premixing box is fixedly equipped with multiple feed hoppers. The premixing box A first stirring member is installed in the inner rotation, and the bottom of the premix box is fixedly connected with a feeding barrel. A spiral conveying member is installed in the rotation of the feeding barrel. The bottom of the feeding barrel is fixedly connected with a feeding pipe that penetrates the support plate. ;

A second stirring member arranged obliquely is mounted on the bottom of the support plate, and a driving member for driving the mixing chamber to rotate is mounted on the second bracket.

By adopting the above technical solution, when batching, the hydraulic cylinder can be started to drive the support plate to drop to the top of the mixing bin, multiple raw materials can be added from the feed hopper into the premixing box in appropriate proportions, and the first stirring element can be started to mix the premixed materials. The raw materials in the box are initially stirred and mixed, and then the screw conveyor can be started to transport the initially mixed raw materials from the feeding barrel. The screw conveyor can mix the raw materials for a second time, and then discharge them from the discharge pipe into the mixing bin. The driving part can be started to drive the mixing bin to rotate, so that the raw materials can evenly fall into different positions in the mixing bin. At the same time, the second stirring part can be started to perform multiple stirring of the raw materials entering the mixing bin, and cooperate with the rotation of the mixing bin. The second stirring member can stir the materials in different areas in the mixing bin, expand the stirring range, make the stirring more complete, and reduce the stratification of raw materials.

Optionally, the first stirring member includes a first motor fixedly installed on the top of the premixing box and a stirring rod fixedly installed at the output end of the first motor.

By adopting the above technical solution, the first motor can be started to drive the stirring rod to rotate, so that the stirring rod stirs the raw materials in the premixing box.

Optionally, the screw conveyor includes a second motor fixedly installed at one end of the feeding barrel and a screw conveyor shaft fixedly installed at the output end of the second motor.

By adopting the above technical solution, the second motor can be started to drive the screw conveyor shaft to rotate, so that the screw conveyor shaft can convey the raw materials in the feeding barrel.

Optionally, the second stirring member includes a third motor installed obliquely on the top of the support plate and a spiral stirring blade fixedly installed at the output end of the third motor.

By adopting the above technical solution, the third motor can be started to drive the spiral stirring paddle to rotate, so that the spiral stirring paddle stirs the raw materials in the mixing bin.

Optionally, the driving member includes a fourth motor fixedly installed on the second bracket, a gear fixedly installed on the output end of the fourth motor, and a ring gear fixedly installed on the outer circumference of the mixing bin. The gear and the ring gear Engagement.

By adopting the above technical solution, the fourth motor can be started to drive the gear to rotate, so that the gear drives the gear ring to rotate, and the gear ring drives the mixing bin to rotate.

Optionally, the upper end of the mixing chamber is provided with an annular groove, and the lower surface of the support plate is fixedly connected with a sliding ring that matches the annular groove.

By adopting the above technical solution, after the support plate is lowered, the sliding ring will be inserted into the annular groove to block the mixing bin and the support plate.

Optionally, a scraper is fixedly connected to one side of the bottom of the support plate.

By adopting the above technical solution, during the rotation process of the mixing bin, the scraper can scrape off the raw materials attached to the inner wall of the mixing bin, thereby reducing the residue of raw materials in the mixing bin.

Optionally, the bottom of the mixing bin is provided with a discharge port. The bottom of the mixing bin is hinged with a baffle on one side of the discharge port. The bottom of the mixing bin is hinged with an electric baffle on one side of the baffle. Push rod, the telescopic end of the electric push rod is hinged with the baffle.

By adopting the above technical solution, starting the electric push rod can drive the baffle to rotate, so that the baffle opens and closes the discharge port.

To sum up, this application has the following beneficial effects:

1. This application can perform multiple stirring of the raw materials through the arrangement of the first stirring member, the spiral conveying member and the second stirring member, so that the raw materials are mixed more thoroughly;

2. This application can drive the mixing bin to rotate through the driving part, so that the raw materials can evenly fall into different positions in the mixing bin. At the same time, the second stirring part can stir the materials in different areas of the mixing bin, expanding the The mixing range makes the mixing more complete and reduces the stratification of raw materials.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of this application.

Figure 2 is a schematic cross-sectional structural diagram of the present application.

Figure 3 is an enlarged view of the structure at point A in Figure 2 of this application.

Explanation of reference symbols:

1. First support; 2. Second support; 3. Mixing bin; 4. Hydraulic cylinder; 5. Support plate; 6. Premix box; 7. Feed hopper; 8. First mixing piece; 81. No. One motor; 82, mixing rod; 9, feeding barrel; 10, screw conveyor; 101, second motor; 102, screw conveyor shaft; 11, discharge pipe; 12, second stirring member; 121, third motor; 122. Spiral stirring propeller; 13. Driving part; 131. Fourth motor; 132. Gear; 133. Gear ring; 14. Annular groove; 15. Sliding ring; 16. Scraper; 17. Discharge port; 18. Block Plate; 19. Electric push rod.

Detailed ways

The present application will be further described in detail below in conjunction with Figures 1-3.

Referring to Figure 1-2, a fine batching device for a concrete mixing station includes a first bracket 1, a second bracket 2 located below the first bracket 1, and a mixing bin 3 rotatably installed on the second bracket 2. A hydraulic cylinder 4 is fixedly installed on the inner top wall of a bracket 1. The piston end of the hydraulic cylinder 4 is fixedly connected to a support plate 5. A premixing box 6 is fixedly installed on the top of the support plate 5. There are multiple fixed installations on the top of the premixing box 6. There is a feeding hopper 7 , and a first stirring member 8 is rotatably installed in the premixing box 6 . The first stirring member 8 includes a first motor 81 fixedly installed on the top of the premixing box 6 and a stirring stirrer fixedly installed at the output end of the first motor 81 . Rod 82. During batching, the hydraulic cylinder 4 can be started to drive the support plate 5 down to the top of the mixing bin 3, and a variety of raw materials can be added into the premixing box 6 from the feed hopper 7 in appropriate proportions, and the first mixing member 8 can be started to premix. The raw materials in the box 6 are initially stirred and mixed.

Referring to Figures 1 and 2, a feed barrel 9 is fixedly connected to the bottom of the premix box 6, and a screw conveyor 10 is rotatably installed in the feed barrel 9. The screw conveyor 10 includes a second motor 101 fixedly installed at one end of the feed barrel 9 and The screw conveyor shaft 102 is fixedly installed at the output end of the second motor 101, and the bottom of the feed barrel 9 is fixedly connected to a feed tube 11 that penetrates the support plate 5. After premixing the raw materials in the premixing box 6, the screw conveyor 10 can be started to transport the initially mixed raw materials from the feeding tube 9, and then discharged into the mixing bin 3 from the feeding tube 11. During the transportation process through the feeding tube 9 , the screw conveyor 10 can perform secondary mixing of the raw materials.

Referring to Figures 1 and 2, a second stirring member 12 arranged obliquely is rotatably installed on the bottom of the support plate 5. The second stirring member 12 includes a third motor 121 installed obliquely on the top of the support plate 5 and a third motor 121 fixedly installed on the top of the support plate 5. The spiral stirring paddle 122 at the output end and the second bracket 2 are equipped with a driving member 13 for driving the mixing chamber 3 to rotate. The driving member 13 includes a fourth motor 131 fixedly installed on the second bracket 2 and a fourth motor 131 fixedly installed on the fourth motor. The gear 132 at the output end of 131 and the gear ring 133 fixedly installed on the outer circumference of the mixing chamber 3, the gear 132 meshes with the gear ring 133.

When the raw materials enter the mixing bin 3 from the discharge pipe 11, the driving part 13 can be started to drive the mixing bin 3 to rotate, so that the raw materials can evenly fall into different positions in the mixing bin 3. At the same time, the second pair of stirring parts 12 can be started. The raw materials entering the mixing bin 3 are stirred multiple times, and in conjunction with the rotation of the mixing bin 3, the second stirring member 12 can stir the materials in different areas in the mixing bin 3, expanding the mixing range, making the mixing more complete, and reducing the number of raw materials. There is a layering phenomenon between them.

Among them, a scraper 16 is fixedly connected to one side of the bottom of the support plate 5. During the rotation of the mixing bin 3, the scraper 16 can scrape off the raw materials attached to the inner wall of the mixing bin 3, which can reduce the mixing of the raw materials. Residues in bin 3.

Referring to Figures 2 and 3, the upper end of the mixing bin 3 is provided with an annular groove 14, and the lower surface of the support plate 5 is fixedly connected with a sliding ring 15 that matches the annular groove 14. After the support plate 5 is lowered, the sliding ring 15 will Inserted into the annular groove 14, it has a blocking effect on the mixing chamber 3 and the support plate 5.

Referring to Figures 2 and 3, the bottom of the mixing bin 3 is provided with an outlet 17. The bottom of the mixing bin 3 is located on one side of the outlet 17 and is hinged with a baffle 18. The bottom of the mixing bin 3 is located on one side of the baffle 18. An electric push rod 19 is hinged on the side, and the telescopic end of the electric push rod 19 is hinged with the baffle 18. Starting the electric push rod 19 can drive the baffle 18 to rotate, so that the baffle 18 opens and closes the discharge port 17.

The implementation principle of this application is: when batching, the hydraulic cylinder 4 can be started to drive the support plate 5 to drop to the top of the mixing bin 3, and a variety of raw materials can be added into the premixing box 6 from the feed hopper 7 in an appropriate proportion, and the first A stirring member 8 performs preliminary mixing and mixing of the raw materials in the premixing box 6, and then the screw conveyor 10 can be started to transport the preliminary mixed raw materials from the feeding barrel 9. The screw conveyor 10 can perform secondary mixing of the raw materials, and then The material is discharged from the discharge pipe 11 into the mixing bin 3. The driving part 13 can be started to drive the mixing bin 3 to rotate, so that the raw materials can evenly fall into different positions in the mixing bin 3. At the same time, the pair of second mixing parts 12 can be started. The raw materials entering the mixing bin 3 are stirred multiple times, and in conjunction with the rotation of the mixing bin 3, the second stirring member 12 can stir the materials in different areas in the mixing bin 3, expanding the mixing range, making the mixing more complete, and reducing the number of raw materials. There is a layering phenomenon between them.

The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application shall be covered by the scope of protection of the present application. Inside.

Claims (8)

1. The utility model provides a fine batching device of concrete mixing plant, includes first support (1), establishes second support (2) and the mixing bunker (3) of rotation installation on second support (2) in first support (1) below, its characterized in that: the automatic feeding device is characterized in that a hydraulic cylinder (4) is fixedly arranged on the inner top wall of the first support (1), a supporting plate (5) is fixedly connected to the piston end of the hydraulic cylinder (4), a premixing box (6) is fixedly connected to the top of the supporting plate (5), a plurality of feeding hoppers (7) are fixedly arranged on the top of the premixing box (6), a first stirring piece (8) is rotatably arranged in the premixing box (6), a feeding cylinder (9) is fixedly connected to the bottom of the premixing box (6), a spiral conveying piece (10) is rotatably arranged in the feeding cylinder (9), and a discharging pipe (11) penetrating through the supporting plate (5) is fixedly connected to the bottom of the feeding cylinder (9);

the bottom of the supporting plate (5) is rotatably provided with a second stirring piece (12) which is obliquely arranged, and the second bracket (2) is provided with a driving piece (13) for driving the mixing bin (3) to rotate.

2. A concrete batching plant fine batching device according to claim 1, characterized in that: the first stirring piece (8) comprises a first motor (81) fixedly arranged at the top of the premixing box (6) and a stirring rod (82) fixedly arranged at the output end of the first motor (81).

3. A concrete batching plant fine batching device according to claim 1, characterized in that: the screw conveying part (10) comprises a second motor (101) fixedly arranged at one end of the feeding barrel (9) and a screw conveying shaft (102) fixedly arranged at the output end of the second motor (101).

4. A concrete batching plant fine batching device according to claim 1, characterized in that: the second stirring piece (12) comprises a third motor (121) obliquely arranged at the top of the supporting plate (5) and a screw stirring paddle (122) fixedly arranged at the output end of the third motor (121).

5. A concrete batching plant fine batching device according to claim 1, characterized in that: the driving piece (13) comprises a fourth motor (131) fixedly installed on the second bracket (2), a gear (132) fixedly installed at the output end of the fourth motor (131) and a toothed ring (133) fixedly installed on the outer circumference of the mixing bin (3), and the gear (132) is meshed with the toothed ring (133).

6. A concrete batching plant fine batching device according to claim 1, characterized in that: an annular groove (14) is formed in the upper end of the mixing bin (3), and a sliding ring (15) matched with the annular groove (14) is fixedly connected to the lower surface of the supporting plate (5).

7. A concrete batching plant fine batching device according to claim 1, characterized in that: one side of the bottom of the supporting plate (5) is fixedly connected with a scraping plate (16).

8. A concrete batching plant fine batching device according to claim 1, characterized in that: the bottom of blending bunker (3) has seted up discharge gate (17), one side that blending bunker (3) bottom is located discharge gate (17) articulates there is baffle (18), one side that blending bunker (3) bottom is located baffle (18) articulates there is electric putter (19), the flexible end and the baffle (18) of electric putter (19) are articulated.