Raw material mixing device for concrete production

Abstract

The utility model discloses a raw material mixing device for concrete production, which comprises a mixing box, the inner bottom of the mixing box is conical, the bottom of a fixed pipe is provided with a plurality of groups of feed ports for feeding raw materials, and the feed ports are arc-shaped; through the design of structures such as a fixed pipe, feeding ports, a spiral blade and a first driving motor, a plurality of groups of arc-shaped feeding ports are formed in the bottom of the fixed pipe, and the bottom of a mixing box is conical, so that when the first driving motor, the spiral blade and a rotating rod are matched to convey raw materials, the raw materials are uniformly mixed; raw materials at the bottom in the mixing box can be conveniently close to the fixed pipe, so that the raw materials at the bottom in the mixing box can enter the fixed pipe from the feeding holes in multiple directions, the raw materials at the bottom in the mixing box can be conveniently conveyed upwards, and the mixing efficiency and the mixing effect of the raw materials can be improved by matching with the stirring assembly to stir the raw materials.

Description

Technical Field

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

[0002] Concrete refers to cement as a gelling material, sand and stone as aggregates, and water, which may contain admixtures and additives in a certain proportion, and then mixed to obtain cement concrete, also known as ordinary concrete, which is widely used in civil engineering. Concrete has the characteristics of abundant raw materials, low price, and simple production process, so its usage is increasing. At the same time, concrete also has the characteristics of high compressive strength, good durability, and a wide range of strength grades.

[0003] The prior art provides a raw material proportioning and mixing device for concrete production (Announcement No. CN219686114U), the utility model comprises a mixing barrel, the outer end of the mixing barrel is provided with a discharge trough, the inner wall of the discharge trough is fixedly installed with a feeding pipe, the inner wall of the feeding pipe is rotatably connected with a spiral rod, the upper end of the feeding pipe is fixedly installed with a feeding motor, the output end of the feeding motor is fixedly installed with the upper end of the spiral rod, the upper end of the feeding pipe is fixedly connected with a feeding pipe, one end of the feeding pipe is fixedly installed with the inner wall of the mixing barrel, the outer end of the mixing barrel is provided with a quantity control mechanism, and the upper end of the mixing barrel is provided with a stirring mechanism. The utility model starts the stirring motor to drive the stirring shaft to rotate, so that the stirring rod rotates, the raw materials are stirred and mixed, and the spiral blade is driven to rotate by the stirring shaft to move the raw materials at the bottom of the mixing barrel to the top of the mixing barrel again, so that the raw materials are stirred more evenly.

[0004] The above-mentioned raw material proportioning and mixing device for concrete production only provides the function of uniformly mixing the raw materials during actual operation. However, when the raw materials at the bottom of the equipment are transported upward, since the bottom of the equipment is arranged horizontally, the raw materials close to the inner wall of the mixing barrel are not convenient to approach the spiral blades and be transported by the spiral blades, resulting in poor mixing effect. Therefore, we need to propose a raw material mixing device for concrete production. Utility Model Content

[0005] The purpose of the utility model is to provide a raw material mixing device for concrete production, which can improve the mixing efficiency and mixing effect of the raw materials to solve the problems raised in the above-mentioned background technology.

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

[0007] A raw material mixing device for concrete production comprises a mixing box, the inner bottom of the mixing box is conically arranged, a bracket is fixedly installed on the top of the mixing box, a fixed disk is fixedly connected to the bracket, a fixed pipe is fixedly connected to the inner bottom of the mixing box, the upper end of the fixed pipe is fixedly connected to the bottom of the fixed disk, a plurality of feed ports for raw material feeding are provided at the bottom of the fixed pipe, the feed ports are arranged in an arc shape, a first drive motor is fixedly installed on the top of the fixed disk, the output shaft of the first drive motor is fixedly connected to a rotating rod through a coupling, the rotating rod is inserted in the fixed tube, a spiral blade is arranged on the rotating rod, and the spiral blade is in contact with the inner wall of the fixed tube.

[0008] Preferably, a stirring assembly for stirring and mixing raw materials is provided in the mixing box, and the stirring assembly includes a transmission mechanism and a mixing mechanism, and the transmission mechanism includes a second driving motor, a connecting rod, a driving gear, a fixed ring and a driven gear, and the fixed ring is sleeved on the fixed tube, and the fixed ring is rotatably installed on the bottom of the fixed disk, and the driven gear is fixedly connected to the fixed ring.

[0009] Preferably, the second drive motor is fixedly mounted on the top of the bracket, the second drive motor is fixedly connected to the connecting rod through a coupling, the driving gear is fixedly mounted on the lower end of the connecting rod, and the driving gear is meshed with the driven gear.

[0010] Preferably, the mixing mechanism comprises a mounting block and a stirring rod, and the mounting block and the stirring rod are each provided in two groups, the two groups of the mounting blocks are symmetrically fixedly connected to the surface of the fixing ring, and the stirring rod is fixedly connected to the bottom of the mounting block.

[0011] Preferably, two groups of reinforcing blocks for fixing the stirring rods are symmetrically fixedly connected to the fixing ring, and the stirring rods are fixedly connected in the reinforcing blocks.

[0012] Preferably, a plurality of discharge ports for discharging raw materials are provided on the top of the fixed pipe.

[0013] Preferably, the bottom of the mixing box is connected to a discharge pipe, and a valve is provided on the discharge pipe.

[0014] Preferably, a fixing frame is fixedly connected inside the discharge pipe, and the lower end of the rotating rod is rotatably installed in the fixing frame.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] Through the design of structures such as the fixed tube, the feed port, the spiral blades and the first drive motor, a plurality of feed ports arranged in an arc shape are opened at the bottom of the fixed tube, and the bottom of the mixing box is arranged in a conical shape, so that when the first drive motor, the spiral blades and the rotating rod cooperate to transport the raw materials, it is convenient for the raw materials at the bottom of the mixing box to approach the fixed tube, so that the raw materials at the bottom of the mixing box can enter the fixed tube from the feed ports in multiple directions, thereby facilitating the upward transportation of the raw materials at the bottom of the mixing box, and cooperating with the stirring component to stir the raw materials, the mixing efficiency and mixing effect of the raw materials can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 This is one of the schematic cross-sectional views of the structure of the utility model;

[0019] Figure 3 This is the second schematic diagram of the cross-section structure of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the fixed pipe and the fixed frame of the utility model;

[0021] Figure 5 For this utility model Figure 2 Schematic diagram of the enlarged structure of area A in the middle.

[0022] In the figure: 1. mixing box; 2. bracket; 3. fixed plate; 4. first drive motor; 5. fixed pipe; 6. discharge port; 7. feed port; 8. rotating rod; 9. spiral blade; 10. fixed ring; 11. driven gear; 12. second drive motor; 13. connecting rod; 14. driving gear; 15. mounting block; 16. stirring rod; 17. fixed frame; 18. discharge pipe; 19. valve; 20. reinforcing block. DETAILED DESCRIPTION

[0023] 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 in 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.

[0024] See also Figure 1-5 , the utility model provides a technical solution:

[0025] A raw material mixing device for concrete production, comprising a mixing box 1, the inner bottom of the mixing box 1 is set in a conical shape, a bracket 2 is fixedly installed on the top of the mixing box 1, a fixed disk 3 is fixedly connected to the bracket 2, a fixed pipe 5 is fixedly connected to the inner bottom of the mixing box 1, the upper end of the fixed pipe 5 is fixedly connected to the bottom of the fixed disk 3, a plurality of feed ports 7 for raw material feeding are opened at the bottom of the fixed pipe 5, the feed ports 7 are set in an arc shape, a first drive motor 4 is fixedly installed on the top of the fixed disk 3, the output shaft of the first drive motor 4 is fixedly connected to a rotating rod 8 through a coupling, the rotating rod 8 is inserted in the fixed tube 5, a spiral blade 9 is arranged on the rotating rod 8, and the spiral blade 9 is in contact with the inner wall of the fixed tube 5;

[0026] In this embodiment, the first driving motor 4, the rotating rod 8 and the spiral blade 9 cooperate to circulate the raw materials at the bottom of the mixing box 1 upward, so that the raw materials at the bottom of the mixing box 1 can be stirred and mixed, thereby improving the mixing efficiency and mixing effect of the raw materials;

[0027] A stirring assembly for stirring and mixing raw materials is arranged in the mixing box 1, and the stirring assembly includes a transmission mechanism and a mixing mechanism, and the transmission mechanism includes a second driving motor 12, a connecting rod 13, a driving gear 14, a fixed ring 10 and a driven gear 11, the fixed ring 10 is sleeved on the fixed tube 5, the fixed ring 10 is rotatably mounted on the bottom of the fixed disk 3, the driven gear 11 is fixedly connected to the fixed ring 10, the second driving motor 12 is fixedly mounted on the top of the bracket 2, the second driving motor 12 is fixedly connected to the connecting rod 13 through a coupling, the driving gear 14 is fixedly mounted on the lower end of the connecting rod 13, and the driving gear 14 is meshed with the driven gear 11, and the mixing mechanism includes a mounting block 15 and a stirring rod 16, and the mounting block 15 and the stirring rod 16 are both provided with two groups, and the two groups of mounting blocks 15 are symmetrically fixedly connected to the surface of the fixing ring 10, and the stirring rod 16 is fixedly connected to the bottom of the mounting block 15;

[0028] It is worth mentioning that the second driving motor 12, the connecting rod 13, the driving gear 14, the fixing ring 10 and the driven gear 11 cooperate to drive the stirring rod 16 to rotate, so that the stirring rod 16 can stir and mix the raw materials inside the mixing box 1 when rotating;

[0029] Two sets of reinforcing blocks 20 for fixing the stirring rods 16 are symmetrically fixedly connected to the fixing ring 10, and the stirring rods 16 are fixedly connected in the reinforcing blocks 20;

[0030] It is worth noting that the strength of the stirring rod 16 can be improved by the reinforcing block 20;

[0031] The top of the fixed pipe 5 is provided with a plurality of discharge ports 6 for discharging raw materials;

[0032] It is worth mentioning that the material can be discharged through the discharge port 6 after being transported by the spiral blade 9;

[0033] The bottom of the mixing box 1 is connected to a discharge pipe 18, and a valve 19 is provided on the discharge pipe 18;

[0034] It is worth noting that by opening the valve 19, the mixed concrete in the mixing box 1 can be discharged through the discharge pipe 18;

[0035] The discharge pipe 18 is fixedly connected with a fixing frame 17, and the lower end of the rotating rod 8 is rotatably installed in the fixing frame 17;

[0036] It is worth mentioning that the fixing frame 17 can improve the stability of the rotating rod 8 during rotation;

[0037] When in use, firstly, the raw materials are poured into the mixing box 1, and the second driving motor 12 is operated. The output shaft of the second driving motor 12 rotates to drive the driving gear 14 to rotate, so that the driving gear 14 cooperates with the driven gear 11 and the fixing ring 10 to drive the stirring rod 16 to rotate, so that the stirring rod 16 can achieve stirring and mixing of the raw materials inside the mixing box 1 when rotating;

[0038] During the process of stirring and mixing the raw materials, the first drive motor 4 works, and the output shaft of the first drive motor 4 rotates to drive the rotating rod 8 to rotate, so that the rotating rod 8 drives the spiral blade 9 to rotate, so that the spiral blade 9 can transport the raw materials at the bottom of the mixing box 1. The raw materials at the bottom of the mixing box 1 enter the fixed pipe 5 through the feed port 7, and can be discharged through the discharge port 6 after being transported by the spiral blade 9. After the raw materials are mixed and made into concrete, the concrete can be discharged by opening the valve 19.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A raw material mixing device for concrete production, comprising a mixing box (1), characterized in that: The inner bottom of the mixing box (1) is arranged in a conical shape, a bracket (2) is fixedly installed on the top of the mixing box (1), a fixed disk (3) is fixedly connected to the bracket (2), a fixed tube (5) is fixedly connected to the inner bottom of the mixing box (1), the upper end of the fixed tube (5) is fixedly connected to the bottom of the fixed disk (3), a plurality of feed ports (7) for feeding raw materials are provided at the bottom of the fixed tube (5), and the feed ports (7) are arranged in an arc shape, a first drive motor (4) is fixedly installed on the top of the fixed disk (3), the output shaft of the first drive motor (4) is fixedly connected to a rotating rod (8) through a coupling, the rotating rod (8) is inserted into the fixed tube (5), a spiral blade (9) is arranged on the rotating rod (8), and the spiral blade (9) is in contact with the inner wall of the fixed tube (5).

2. A raw material mixing device for concrete production according to claim 1, characterized in that: The mixing box (1) is provided with a stirring assembly for stirring and mixing raw materials, the stirring assembly comprising a transmission mechanism and a mixing mechanism, the transmission mechanism comprising a second driving motor (12), a connecting rod (13), a driving gear (14), a fixing ring (10) and a driven gear (11), the fixing ring (10) being sleeved on a fixing tube (5), the fixing ring (10) being rotatably mounted on the bottom of a fixing plate (3), and the driven gear (11) being fixedly connected to the fixing ring (10).

3. A raw material mixing device for concrete production according to claim 2, characterized in that: The second drive motor (12) is fixedly mounted on the top of the bracket (2); the second drive motor (12) is fixedly connected to the connecting rod (13) via a coupling; the driving gear (14) is fixedly mounted on the lower end of the connecting rod (13); the driving gear (14) is meshed with the driven gear (11).

4. A raw material mixing device for concrete production according to claim 3, characterized in that: The mixing mechanism comprises a mounting block (15) and a stirring rod (16), wherein the mounting block (15) and the stirring rod (16) are each provided in two groups, the two groups of the mounting blocks (15) are symmetrically fixedly connected to the surface of the fixing ring (10), and the stirring rod (16) is fixedly connected to the bottom of the mounting block (15).

5. A raw material mixing device for concrete production according to claim 4, characterized in that: Two groups of reinforcing blocks (20) for fixing the stirring rod (16) are symmetrically fixedly connected to the fixing ring (10), and the stirring rod (16) is fixedly connected inside the reinforcing blocks (20).

6. A raw material mixing device for concrete production according to claim 1, characterized in that: The top of the fixed pipe (5) is provided with a plurality of discharge ports (6) for discharging raw materials.

7. A raw material mixing device for concrete production according to claim 1, characterized in that: The bottom of the mixing box (1) is connected to a discharge pipe (18), and a valve (19) is provided on the discharge pipe (18).

8. A raw material mixing device for concrete production according to claim 7, characterized in that: A fixing frame (17) is fixedly connected inside the discharge pipe (18), and the lower end of the rotating rod (8) is rotatably mounted inside the fixing frame (17).

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