Double-shaft stirring device for mixing dry and wet mortar

Abstract

The utility model provides a double-shaft stirring device for dry and wet mortar mixing, which relates to the technical field of dry and wet mortar mixing, and comprises a mixing barrel, a spiral shaft arranged along the gravity direction is rotatably mounted in the mixing barrel, two stirring rods oppositely arranged around the spiral shaft are arranged in the mixing barrel, and the stirring rods are arranged on the spiral shaft. The top end of the spiral shaft is sleeved with a supporting plate, a fixing ring is in lap joint with the inner wall of the mixing barrel, the top ends of two stirring rods are rotationally connected with the supporting plate in a penetrating mode, the bottom ends of the two stirring rods are rotationally connected with the fixing ring, and an auxiliary stirring rod is rotationally installed in the mixing barrel. The stirring rods are arranged, the two stirring rods rotate to drive the materials to move transversely, and the stirring rods are matched with the spiral shaft, so that the materials in the mixing barrel can be comprehensively, quickly and uniformly mixed.

Description

Technical Field

[0001] This utility model relates to the field of dry and wet mortar mixing technology, and in particular to a biaxial mixing device for dry and wet mortar mixing. Background Technology

[0002] In the construction industry, the mixing of dry and wet mortar is a key step in determining the quality of the final product. Through scientific and reasonable mixing, dry materials (such as cement, sand, mineral admixtures, etc.) can be evenly integrated with wet materials (such as water, additive solutions, etc.), giving the mortar good workability, strength and durability, ensuring that the building structure is stable and the surface is flat and beautiful.

[0003] Therefore, a prior art dual-shaft mixer for dry and wet feed, publication number CN207012842U, describes a dual-shaft mixer for dry and wet feed. Upon starting the heating element and stirring motor, feed to be mixed is added to the mixing drum through the feed hopper. The stirring motor drives the second stirring shaft to rotate clockwise, simultaneously driving the drive gear to rotate clockwise, which in turn drives the driven gear to rotate counterclockwise, and consequently, the first stirring shaft to rotate counterclockwise. The opposing rotation of the first and second stirring shafts prevents the feed inside the mixing drum from rotating in only one direction during mixing. The staggered plate-shaped stirring blades on the first and second stirring shafts further improve the mixing effect. During mixing, the dry heating element on the inner wall of the mixing drum heats or keeps the feed warm. When mixing wet feed, water or nutrient solution is added to the water tank, and the water pump is turned on, spraying water into the mixing drum through water pipes and nozzles, thus allowing the addition of water and nutrient solution during wet feed mixing.

[0004] When this mixer is in operation, it is difficult to mix the materials on the upper and lower layers evenly. Therefore, when the mixer is mixing wet feed, water or nutrient solution cannot quickly penetrate the materials on the lower layer, resulting in low mixing efficiency of the mixer. Utility Model Content

[0005] The purpose of this invention is to solve the problems existing in the prior art by proposing a biaxial mixing device for mixing dry and wet mortar.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a biaxial mixing device for mixing wet and dry mortar, comprising a mixing drum, a spiral shaft rotatably mounted inside the mixing drum along the direction of gravity, two mixing rods arranged opposite each other around the spiral shaft inside the mixing drum, a support plate sleeved on the top of the spiral shaft, a fixing ring overlapping the inner wall of the mixing drum, the top ends of the two mixing rods being rotatably connected to the support plate and the bottom ends being rotatably connected to the fixing ring, a secondary mixing rod rotatably mounted inside the mixing drum, an mounting plate sleeved and mounted on the spiral shaft being fixedly connected to the bottom of the mixing drum, the top end of the secondary mixing rod being rotatably mounted to the fixing ring, the bottom end being rotatably connected to the mounting plate and a bevel gear being fixedly connected to the through end, a bevel gear being fixedly connected to the bottom of the spiral shaft, and the bevel gear on the secondary mixing rod meshing with the bevel gear on the spiral shaft.

[0007] Preferably, the bottom of the mixing tank is shaped like an inverted frustum, the auxiliary stirring rod is arranged parallel to the generatrix of the inverted frustum, and multiple auxiliary stirring rods are arranged evenly around the spiral shaft.

[0008] Preferably, the top of the mixing tank is provided with three motors arranged in a linear pattern. The main shaft of the motor located in the middle extends through the top wall of the mixing tank into the interior of the mixing tank and is fixedly connected to the spiral shaft. The main shafts of the motors located on both sides extend through the top wall of the mixing tank into the interior of the mixing tank and are fixedly connected to two stirring rods respectively.

[0009] Preferably, a base is fixedly connected to the outside of the mixing tank, and a hydraulic rod arranged along the direction of gravity is fixedly connected to the base.

[0010] Preferably, a frustum-shaped hollow retaining ring is fitted at the bottom of the mixing tank, and the telescopic end of the hydraulic rod is fixedly connected to the frustum-shaped hollow retaining ring.

[0011] Preferably, the bottom of the mixing tank has a frustum-shaped sidewall with multiple discharge ports, and the inner sidewall of the frustum-shaped hollow retaining ring is provided with multiple sealing plates for sealing cooperation with the discharge ports.

[0012] Preferably, the mixing tank is also provided with a feed inlet, and the top of the mixing tank is provided with a liquid inlet pipe.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows.

[0014] 1. In this utility model, by setting a spiral shaft, the rotation of the spiral shaft drives the material located in the lower layer to move to the upper layer, preventing the phenomenon of stratification during stirring. By setting a stirring rod, the two stirring rods rotate to drive the material to move laterally. Through the cooperation of the stirring rod and the spiral shaft, the material in the mixing tank can be thoroughly, quickly and evenly mixed.

[0015] 2. In this utility model, by setting a frustum-shaped hollow retaining ring, when the frustum-shaped hollow retaining ring is tightly fitted to the bottom of the mixing tank, the sealing plate on the frustum-shaped hollow retaining ring seals with the discharge port to prevent material from spilling out. When the frustum-shaped hollow retaining ring separates from the bottom of the mixing tank, the material flows out from the discharge port and flows out of the stirring device through the hollow part in the middle of the frustum-shaped hollow retaining ring. Attached Figure Description

[0016] Figure 1 This utility model presents a three-dimensional structural diagram of a mixing device for mixing dual-shaft dry and wet mortar.

[0017] Figure 2 In this utility model Figure 1 Cross-sectional view.

[0018] Figure 3 This is a three-dimensional structural diagram of the spiral shaft in this utility model.

[0019] Figure 4 This is a three-dimensional structural diagram of the frustum-shaped hollow retaining ring of this utility model.

[0020] Legend: 1. Mixing tank; 2. Spiral shaft; 3. Inlet pipe; 4. Base; 5. Hydraulic rod; 6. Frustum-shaped hollow retaining ring; 7. Motor; 8. Discharge port; 9. Sealing plate; 10. Bevel gear; 11. Mounting plate; 12. Stirring rod; 13. Support plate; 14. Inlet; 15. Fixing ring; 16. Secondary stirring rod. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] like Figure 1-4As shown, a biaxial mixing device for mixing wet and dry mortar includes a mixing tank 1. A spiral shaft 2, arranged along the direction of gravity, is rotatably installed inside the mixing tank 1. Two mixing rods 12 are arranged opposite to each other around the spiral shaft 2 inside the mixing tank 1. A support plate 13 is sleeved on the top of the spiral shaft 2. A fixing ring 15 overlaps the inner wall of the mixing tank 1. The top ends of the two mixing rods 12 are rotatably connected to the support plate 13 and the bottom ends are rotatably connected to the fixing ring 15. A secondary mixing rod 16 is rotatably installed inside the mixing tank 1. An mounting plate 11, which is sleeved and installed on the spiral shaft 2, is fixedly connected to the bottom of the mixing tank 1. The top end of the secondary mixing rod 16 is rotatably installed to the fixing ring 15, and the bottom end is rotatably connected to the mounting plate 11. A bevel gear 10 is fixedly connected to the end of the secondary mixing rod 16. The bevel gear 10 on the secondary mixing rod 16 meshes with the bevel gear 10 on the spiral shaft 2.

[0024] In this technical solution, a spiral shaft 2 is provided, which rotates to move the material in the lower layer to the upper layer, preventing stratification during mixing. Two stirring rods 12 are provided, which rotate to perform lateral stirring. In cooperation with the spiral shaft 2, the material in the mixing tank 1 can be mixed quickly and evenly. A secondary stirring rod 16 is provided, which rotates to move the material at the bottom of the mixing tank 1 to the vicinity of the spiral shaft 2, making it easier for the spiral shaft 2 to move the lower layer of material to the top. A bevel gear 10 is provided, which rotates the spiral shaft 2 to drive the bevel gear 10 on the spiral shaft 2 to rotate, which in turn drives the bevel gear 10 on the secondary stirring rod 16 to rotate, thereby driving the secondary stirring rod 16 to rotate.

[0025] like Figure 2 and Figure 3 As shown, the bottom of the mixing tank 1 is arranged in the shape of an inverted frustum, and the auxiliary stirring rod 16 is arranged parallel to the generatrix of the inverted frustum. Multiple auxiliary stirring rods 16 are arranged evenly around the spiral shaft 2.

[0026] In this technical solution, multiple auxiliary stirring rods 16 are set to increase the force of moving the material.

[0027] like Figure 3 As shown, three motors 7 arranged linearly are provided on the top of the mixing tank 1. The main shaft of the motor 7 located in the middle extends through the top wall of the mixing tank 1 into the interior of the mixing tank 1 and is fixedly connected to the spiral shaft 2. The main shafts of the motors 7 located on both sides extend through the top wall of the mixing tank 1 into the interior of the mixing tank 1 and are fixedly connected to the two stirring rods 12 respectively.

[0028] In this technical solution, a motor 7 is provided. The motor 7 located in the middle is used to drive the spiral shaft 2 to work, and the spiral shafts 2 located on both sides are used to drive the stirring rod 12 to rotate.

[0029] like Figure 1As shown, a base 4 is fixedly connected to the outside of the mixing tank 1. A hydraulic rod 5 arranged along the direction of gravity is fixedly connected to the base 4. A frustum-shaped hollow retaining ring 6 is fitted at the bottom of the mixing tank 1. The telescopic end of the hydraulic rod 5 is fixedly connected to the frustum-shaped hollow retaining ring 6. Multiple discharge ports 8 are opened on the frustum-shaped side wall at the bottom of the mixing tank 1. Multiple sealing plates 9 are provided on the inner side wall of the frustum-shaped hollow retaining ring 6 for sealing cooperation with the discharge ports 8.

[0030] In this technical solution, a hydraulic rod 5 is installed. The telescopic end of the hydraulic rod 5 extends and retracts, causing the frustum-shaped hollow retaining ring 6 to rise and fall. When the frustum-shaped hollow retaining ring 6 is tightly fitted to the bottom of the mixing tank 1, the sealing plate 9 on the frustum-shaped hollow retaining ring 6 seals with the discharge port 8 to prevent material from spilling out. When the frustum-shaped hollow retaining ring 6 separates from the bottom of the mixing tank 1, the material flows out from the discharge port 8 and flows out of the stirring device through the hollow middle part of the frustum-shaped hollow retaining ring 6.

[0031] like Figure 1 and Figure 2 As shown, the mixing tank 1 is also equipped with a feed inlet 14, and the top of the mixing tank 1 is equipped with a liquid inlet pipe 3.

[0032] Working principle: In use, dry material is fed into mixing tank 1 through inlet 14, and wet material is fed into mixing tank 1 through liquid inlet 3. The motor 7 is started, which drives the spiral shaft 2 and stirring rod 12 to rotate. The rotation of the spiral shaft 2 drives the material in the lower layer to the upper layer. The rotation of the two stirring rods 12 drives the material to be stirred horizontally. During the rotation of the spiral shaft 2, the rotation of the spiral shaft 2 drives the bevel gear 10 on the spiral shaft 2 to rotate, which in turn drives the bevel gear 10 on the auxiliary stirring rod 16 to rotate, thereby driving the auxiliary stirring rod 16 to rotate. This causes the material at the bottom of mixing tank 1 to be carried to the vicinity of the spiral shaft 2. After being mixed evenly, the hydraulic rod 5 retracts, causing the frustum-shaped hollow retaining ring 6 to separate from the bottom of mixing tank 1. The material flows out from the outlet 8 and flows out of the stirring device through the hollow middle part of the frustum-shaped hollow retaining ring 6.

[0033] The wiring diagrams of the hydraulic rod 5 and the motor 7 in this utility model are common knowledge in the field, and their working principle is a well-known technology. The appropriate model is selected according to the actual use. Therefore, the control method and wiring layout of the hydraulic rod 5 and the motor 7 will not be explained in detail.

[0034] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A biaxial mixing device for mixing wet and dry mortar, comprising a mixing tank (1), characterized in that: The mixing tank (1) is rotatably mounted with a spiral shaft (2) arranged along the direction of gravity. The mixing tank (1) is equipped with two stirring rods (12) arranged opposite to each other around the spiral shaft (2). The top of the spiral shaft (2) is fitted with a support plate (13). The inner wall of the mixing tank (1) is connected with a fixing ring (15). The top of the two stirring rods (12) is rotatably connected to the support plate (13) and the bottom is rotatably connected to the fixing ring (15). The mixing tank (1) is rotatably mounted with a secondary stirring rod (16). The bottom of the mixing tank (1) is fixedly connected with an installation plate (11) fitted with the spiral shaft (2). The top of the secondary stirring rod (16) is rotatably mounted with the fixing ring (15) and the bottom is rotatably connected to the installation plate (11) with a bevel gear (10) fixedly connected to the through end. The bottom of the spiral shaft (2) is also fixedly connected with a bevel gear (10). The bevel gear (10) on the secondary stirring rod (16) meshes with the bevel gear (10) on the spiral shaft (2).

2. The dual-shaft mixing device for mixing wet and dry mortar according to claim 1, characterized in that: The bottom of the mixing tank (1) is arranged in the shape of an inverted frustum. The auxiliary stirring rod (16) is arranged parallel to the generatrix of the inverted frustum. Multiple auxiliary stirring rods (16) are arranged evenly around the spiral shaft (2).

3. The dual-shaft mixing device for mixing wet and dry mortar according to claim 1, characterized in that: The mixing tank (1) is equipped with three motors (7) arranged in a linear pattern at the top. The main shaft of the motor (7) in the middle extends through the top wall of the mixing tank (1) into the interior of the mixing tank (1) and is fixedly connected to the spiral shaft (2). The main shafts of the motors (7) on both sides extend through the top wall of the mixing tank (1) into the interior of the mixing tank (1) and are fixedly connected to the two stirring rods (12) respectively.

4. The dual-shaft mixing device for mixing wet and dry mortar according to claim 1, characterized in that: The mixing tank (1) is fixedly connected to a base (4), and a hydraulic rod (5) is fixedly connected to the base (4) along the direction of gravity.

5. The biaxial mixing device for mixing wet and dry mortar according to claim 4, characterized in that: The bottom of the mixing tank (1) is fitted with a frustum-shaped hollow retaining ring (6), and the telescopic end of the hydraulic rod (5) is fixedly connected to the frustum-shaped hollow retaining ring (6).

6. The biaxial mixing device for mixing wet and dry mortar according to claim 5, characterized in that: The bottom of the mixing tank (1) has a frustum-shaped sidewall with multiple discharge ports (8), and the inner sidewall of the frustum-shaped hollow retaining ring (6) is provided with multiple sealing plates (9) for sealing cooperation with the discharge ports (8).

7. The dual-shaft mixing device for mixing wet and dry mortar according to claim 1, characterized in that: The mixing tank (1) is also provided with a feed inlet (14), and the top of the mixing tank (1) is provided with a liquid inlet pipe (3).

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