Premixed concrete raw material proportioning device

Abstract

The utility model discloses a premixed concrete raw material proportioning device which comprises a proportioning barrel and is characterized in that a stirring rod for stirring and mixing concrete raw materials is rotationally connected into the proportioning barrel, and a motor for driving the stirring rod to rotate is mounted at the bottom of the proportioning barrel; and the top of the proportioning barrel is communicated with a feeding hopper for discharging concrete raw materials into the proportioning barrel. According to the concrete raw material stirring device, when proportioned concrete raw materials are stirred, a worker firstly discharges a proper amount of water into the water tank, then the motor is started to enable the stirring rod to stir the concrete raw materials, meanwhile, the stirring rod can drive the reciprocating lead screw to rotate, and the reciprocating lead screw can enable the movable plate to enable the sealing block to move up and down; the arc-shaped pipe can indirectly drain water into the annular pipe, and the annular pipe can indirectly drain the water into the concrete raw material which is being stirred through the drainage holes, so that the concrete raw material can be uniformly mixed and stirred in the presence of water without being dried and wet at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of ready-mixed concrete, in particular to a ready-mixed concrete raw material proportioning device. Background Art

[0002] Ready-mixed concrete refers to a concrete mixture made of cement, aggregate, water, and admixtures and mineral admixtures added as needed in a certain proportion, which is measured and mixed at a mixing station for sale and transported to the place of use within a specified time by a transport vehicle.

[0003] The existing ready-mixed concrete raw material proportioning device can stir the concrete raw materials, but the water spray pipe inside the proportioning device generally sprays water directly to the raw materials, which makes it impossible for the concrete raw materials inside the proportioning device to contact with the water evenly. Part of the concrete raw materials will contact with the water, while the other part of the concrete raw materials will hardly contact with the water, causing the concrete discharged from the proportioning device to be dry on one side and wet on the other side. Summary of the invention

[0004] The utility model aims to solve the above problems and provides a raw material proportioning device for ready-mixed concrete.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A ready-mixed concrete raw material proportioning device comprises a proportioning barrel, characterized in that a stirring rod for stirring and mixing concrete raw materials is rotatably connected inside the proportioning barrel, a motor for driving the stirring rod to rotate is installed at the bottom of the proportioning barrel, a feed hopper for discharging concrete raw materials into the proportioning barrel is connected to the top of the proportioning barrel, a discharge pipe for discharging proportioned concrete raw materials is connected to one side of the proportioning barrel, an annular pipe is installed inside the proportioning barrel, a drainage hole for discharging water into the concrete raw materials is installed at the bottom of the annular pipe, four drainage holes are arranged in a ring shape and equidistantly in sequence, an arc pipe for supplying water to the annular pipe is installed on the proportioning barrel, a water tank for storing water is installed on the top of the proportioning barrel, and a sealing component for controlling the discharge of water into the proportioning barrel is installed inside the water tank.

[0007] Preferably, the sealing assembly includes a sealing block for sealing the arc tube, a movable plate for driving the sealing block to move up and down is installed inside the water tank, a reciprocating screw for moving the movable plate is installed on the top of the stirring rod, and a limit assembly is installed on the movable plate so that the movable plate can only move up and down but not rotate.

[0008] Preferably, the limiting assembly comprises a slide groove opened inside the water tank, and a limiting block is slidably connected inside the slide groove so that the movable plate cannot rotate but can only move.

[0009] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0010] In the present application, when mixing the concrete raw materials with a good proportion, the staff first discharges an appropriate amount of water into the water tank, and then turns on the motor to make the stirring rod stir the concrete raw materials. At the same time, the stirring rod will drive the reciprocating screw to rotate, and the reciprocating screw will make the movable plate move the sealing block up and down, so that the arc tube will indirectly discharge the water into the annular tube, and the annular tube will indirectly discharge the water into the concrete raw materials being mixed through the drainage hole, so that the concrete raw materials can be evenly mixed with water without being dry on one side and wet on the other. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The overall structure schematic diagram provided according to the embodiment of the utility model is shown;

[0012] Figure 2 A cross-sectional view of a proportioning barrel structure provided according to an embodiment of the utility model is shown;

[0013] Figure 3 A schematic structural diagram of a sealing assembly provided according to an embodiment of the utility model is shown.

[0014] Legend:

[0015] 1. Proportioning barrel; 2. Stirring rod; 3. Motor; 4. Feed hopper; 5. Discharge pipe; 6. Ring pipe; 7. Drain hole; 8. Arc pipe; 9. Water tank; 10. Sealing block; 11. Movable plate; 12. Reciprocating screw; 13. Limit block. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 , the utility model provides a technical solution: Example

[0018] like Figure 1-3As shown, a ready-mixed concrete raw material proportioning device comprises a proportioning barrel 1, wherein a stirring rod 2 for stirring and mixing concrete raw materials is rotatably connected inside the proportioning barrel 1, a motor 3 for driving the stirring rod 2 to rotate is installed at the bottom of the proportioning barrel 1, a feeding hopper 4 for discharging concrete raw materials into the proportioning barrel 1 is connected to the top of the proportioning barrel 1, a discharge pipe 5 for discharging the proportioned concrete raw materials is connected to one side of the proportioning barrel 1, an annular pipe 6 is installed inside the proportioning barrel 1, a drainage hole 7 for discharging water into the concrete raw materials is installed at the bottom of the annular pipe 6, four drainage holes 7 are arranged in a ring shape and equidistantly in sequence, an arc pipe 8 for supplying water to the annular pipe 6 is installed on the proportioning barrel 1, the number of the arc pipes 8 is set to two and the two arc pipes 8 are arranged in a mirror image, a water tank 9 for storing water is installed on the top of the proportioning barrel 1, and a sealing component for controlling the discharge of water into the proportioning barrel 1 is installed in the water tank 9. Example

[0019] The technical solution is basically the same as that of the first embodiment, except that Figure 3 As shown, the sealing assembly includes a sealing block 10 for sealing the arc tube 8, a movable plate 11 is installed inside the water tank 9 to drive the sealing block 10 to move up and down, a reciprocating screw 12 is installed on the top of the stirring rod 2 to move the movable plate 11, and a limiting assembly is installed on the movable plate 11 so that the movable plate 11 can only move up and down but not rotate. Example

[0020] The technical solution is basically the same as that of the first embodiment, except that Figure 2 and Figure 3 As shown, the limit assembly includes a slide groove opened inside the water tank 9, and the slide groove is slidably connected inside with a limit block 13 that prevents the movable plate 11 from rotating but only moving. The number of the limit blocks 13 is set to two and the two limit blocks 13 are arranged in mirror symmetry.

[0021] In summary, when the proportioning device provided in this embodiment is used, the staff first discharges an appropriate amount of concrete raw materials into the proportioning barrel 1 through the feed hopper 4, and then discharges water of a weight matching the concrete raw materials into the water tank 9. Then the staff turns on the motor 3, and the motor 3 drives the stirring rod 2 to stir the concrete raw materials in the proportioning barrel 1. At the same time, the stirring rod 2 drives the reciprocating screw 12 to rotate, and the reciprocating screw 12 drives the movable plate 11 to continuously move up and down through the thread, and the movable plate 11 drives the sealing block 10 to continuously open the arc tube 8, and the arc tube 8 indirectly transfers the water in the water tank 9. Water is discharged into the annular pipe 6, and the two arc pipes 8 will discharge the water into the opposite halves of the annular pipe 6 respectively. Symmetrical drainage holes 7 are provided on both sides of the bottom of each arc pipe 8, so that the water in the water tank 9 will be indirectly discharged into the annular pipe 6, and then evenly discharged to the four drainage holes 7, and the four drainage holes 7 will be evenly discharged into the concrete raw materials in the proportioning barrel 1. In addition, since the water is indirectly discharged into the proportioning barrel 1, each time the water is discharged into the proportioning barrel 1, it contacts different concrete raw materials, so that the contact between water and concrete is more even, and the concrete raw materials after proportioning will not be dry on one side and wet on the other side.

[0022] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A ready-mixed concrete raw material proportioning device, comprising a proportioning barrel (1), characterized in that: The mixing barrel (1) is rotatably connected to a stirring rod (2) for stirring and mixing concrete raw materials. The bottom of the mixing barrel (1) is provided with a motor (3) for driving the stirring rod (2) to rotate. The top of the mixing barrel (1) is connected to a feed hopper (4) for discharging concrete raw materials into the mixing barrel (1). One side of the mixing barrel (1) is connected to a discharge pipe (5) for discharging the concrete raw materials after the mixing is completed. The mixing barrel (1) is provided with an annular pipe (6). The bottom of the annular pipe (6) is provided with drainage holes (7) for discharging water into the concrete raw materials. Four drainage holes (7) are arranged in a ring shape and are equidistant in sequence. The mixing barrel (1) is provided with an arc pipe (8) for supplying water to the annular pipe (6). The top of the mixing barrel (1) is provided with a water tank (9) for storing water. A sealing component for controlling the discharge of water into the mixing barrel (1) is installed in the water tank (9).

2. A ready-mixed concrete raw material proportioning device according to claim 1, characterized in that: The sealing assembly comprises a sealing block (10) for sealing the arc tube (8); a movable plate (11) is installed inside the water tank (9) for driving the sealing block (10) to move up and down; a reciprocating screw (12) is installed on the top of the stirring rod (2) for moving the movable plate (11); and a limit assembly is installed on the movable plate (11) so that the movable plate (11) can only move up and down but cannot rotate.

3. A ready-mixed concrete raw material proportioning device according to claim 2, characterized in that: The limiting assembly comprises a slide groove opened inside the water tank (9), and a limiting block (13) is slidably connected inside the slide groove so that the movable plate (11) cannot rotate but can only move.

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