Stirring transmission mechanism

Abstract

The utility model relates to a stirring transmission mechanism in the technical field of stirring equipment, which comprises a transmission box body and a plurality of stirring shafts, a driving shaft is arranged at the top of the transmission box body, the plurality of stirring shafts are rotatably arranged in the transmission box body, the bottom ends of the stirring shafts extend to the top of the transmission box body, a gear ring is arranged above the transmission box body, and the gear ring is connected with the driving shaft. A transmission gear matched with the inner tooth groove is arranged at the top of the stirring shaft, and when the transmission box body rotates through the driving shaft, the transmission gear can perform meshing rotation along the track of the inner tooth groove, so that the stirring shaft rotates reversely along the axial direction of the stirring shaft, and materials in the stirring vessel form a large-range stirring flow direction by taking the driving shaft as the circle center; meanwhile, a plurality of small-range second stirring flow directions with the stirring shaft as the circle center are formed in the large-range first stirring flow, repeated mixing of the materials in the stirring vessel is facilitated, and compared with an existing stirring transmission mechanism, the stirring transmission mechanism is better in mixing and stirring efficiency and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring equipment, in particular to a stirring transmission mechanism. Background Art

[0002] The stirring transmission mechanism in the existing mixer generally has multiple stirring shafts and a transmission box, wherein the stirring shaft is generally located in the stirring vessel through the transmission box and performs circular motion along the transmission box as the center, and the stirring shaft can rotate along its own axial direction. Generally, the stirring shaft and the transmission box turn in the same direction. The material in the stirring vessel can form a large-scale stirring flow direction and a plurality of small-scale second stirring flow directions in the large-scale first stirring flow direction through the stirring transmission mechanism. Since the stirring shaft and the transmission box turn in the same direction, the mixing and stirring efficiency of the existing stirring transmission mechanism is poor, and more time is required to fully and evenly blend the materials. Therefore, in view of these current situations, it is urgent to develop a stirring transmission mechanism to meet the needs of actual use. Utility Model Content

[0003] The utility model aims to provide a stirring transmission mechanism for solving the defects that the general stirring shaft and the transmission box body are turned in the same direction, resulting in the material in the stirring vessel forming a large-range stirring flow direction and the first stirring flow direction in the large range forming multiple small-range second stirring flow directions.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A stirring transmission mechanism comprises a transmission case and a plurality of stirring shafts, the interior of the transmission case is an inner cavity, a driving shaft protruding upward is provided on the top of the transmission case, the driving shaft and the transmission case are fixedly connected, the driving shaft is used to drive the transmission case to rotate along the driving shaft as the center, a plurality of stirring shafts are vertically rotatably arranged inside the transmission case, the bottom end of the stirring shaft extends to the bottom of the transmission case, the top end of the stirring shaft extends to the top of the transmission case, a gear ring is provided above the transmission case, the bottom end surface of the gear ring is provided with an inner tooth groove recessed inwardly, the inner tooth groove is distributed in an annular structure and is opened on the bottom edge of the gear ring, a transmission gear matching the inner tooth groove is provided on the top of the stirring shaft, the transmission gear is fixedly connected to the stirring shaft, the transmission gear and the inner tooth groove are meshed for transmission, and when the transmission case is rotated by the driving shaft, the transmission gear can mesh and rotate along the trajectory of the inner tooth groove.

[0006] In the above description, as a further solution, the stirring shaft is composed of a first transmission shaft and a stirring rod. The first transmission shaft is rotatably arranged in the inner cavity, and several first transmission shafts are distributed in a circular array with the driving shaft as the center. The stirring rod is detachably connected to the bottom end of the first transmission shaft, and the stirring rod extends to the bottom of the transmission box. The transmission gear is fixedly connected to the top of the first transmission shaft.

[0007] In the above description, as a further solution, a plurality of stirring blades protruding outward are provided in the middle of the stirring rod.

[0008] In the above description, as a further solution, a fixed cylinder is provided on the top of the transmission housing, the fixed cylinder is a cylindrical hollow structure, and the bottom of the drive shaft is plugged and fixed to the inside of the fixed cylinder.

[0009] In the above description, as a further solution, the side wall of the drive shaft and the inner wall of the fixed cylinder are respectively provided with a matching first keyway and a second keyway, a flat key is provided between the first keyway and the second keyway, and the flat key is embedded between the first keyway and the second keyway for connection.

[0010] In the above description, as a further solution, a crushing shaft is also provided inside the transmission housing, and the crushing shaft is rotatably arranged at the bottom of the transmission housing, and a transmission synchronous wheel is provided on the top of the crushing shaft, and the transmission synchronous wheel is arranged inside the transmission housing, and the transmission synchronous wheel is fixedly connected to the top of the crushing shaft, and a rotatable driving synchronous wheel is provided at the bottom of the driving shaft, and the driving synchronous wheel extends to the inside of the inner cavity through the driving shaft, and the driving synchronous wheel and the transmission synchronous wheel are connected through a synchronous belt.

[0011] In the above description, as a further solution, the crushing shaft is composed of a second transmission shaft, a crushing rod and a plurality of crushing knives. The second transmission shaft is rotatably arranged inside the transmission case, and the crushing rod is detachably connected to the bottom of the second transmission shaft, and the crushing rod is arranged below the transmission case, and a plurality of crushing knives are respectively arranged in the middle part of the crushing rod in a linear array structure, and the transmission synchronous wheel is fixedly connected to the end of the second transmission shaft away from the crushing rod.

[0012] In the above description, as a further solution, a scraper shaft is also provided inside the transmission box, and the scraper shaft is composed of a fixed shaft and a scraper. The fixed shaft is fixedly connected vertically inside the transmission box, and the scraper is a long sheet structure. The scraper is vertically fixedly connected to the bottom of the fixed shaft, and the scraper is arranged below the transmission box.

[0013] The beneficial effects produced by the utility model are as follows:

[0014] The present application discloses a stirring transmission mechanism, in which a stirring shaft performs positive circular motion along a driving shaft through a transmission housing, and a transmission gear on the top of the stirring shaft can mesh with a gear ring on the transmission housing, so as to realize the reversal of the stirring shaft along its own axial direction, so that the material in the stirring vessel forms a large-scale stirring flow direction with the driving shaft as the center, and at the same time, a plurality of small-scale second stirring flow directions with the stirring shaft as the center are formed in the large-scale first stirring flow, which is beneficial to repeated mixing of the material in the stirring vessel. Compared with the existing stirring transmission mechanism, the mixing and stirring efficiency is better and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a stirring transmission mechanism described in the utility model;

[0016] Figure 2 This is a schematic diagram of the structural decomposition of a stirring transmission mechanism described in the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of a stirring transmission mechanism described in the utility model;

[0018] Figure 4 It is a partial structural cross-sectional schematic diagram of a stirring transmission mechanism described in the utility model;

[0019] Figure 5 It is a cross-sectional structural schematic diagram of a stirring transmission mechanism described in the utility model;

[0020] Figure 6 for Figure 5 A is a schematic diagram of the partially enlarged structure of the middle part;

[0021] Figure 7 It is a schematic diagram of the structure of the steering state of a stirring transmission mechanism of the utility model when it is working;

[0022] In the figure: 1-transmission box, 11-inner cavity, 12-fixed cylinder, 13-second keyway, 2-stirring shaft, 21-first transmission shaft, 22-stirring rod, 23-stirring blade, 24-transmission gear, 3-drive shaft, 31-drive synchronous wheel, 32-first keyway, 4-crushing shaft, 41-second transmission shaft, 42-crushing rod, 43-crushing blade, 44-transmission synchronous wheel, 5-scraper shaft, 51-fixed shaft, 52-scraper, 6-flat key, 7-gear ring, 71-internal tooth groove. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and drawings, and the contents mentioned in the implementation modes are not intended to limit the present invention. The present invention is described in detail below in conjunction with the drawings.

[0024] See also Figure 1-7 The specific implementation of the stirring transmission mechanism includes a transmission box body 1 and a plurality of stirring shafts 2. The interior of the transmission box body 1 is an inner cavity 11. The top of the transmission box body 1 is provided with a driving shaft 3 protruding upward. The driving shaft 3 is fixedly connected to the transmission box body 1. The driving shaft 3 is used to drive the transmission box body 1 to rotate along the driving shaft 3 as the center. The plurality of stirring shafts 2 are vertically rotatably arranged inside the transmission box body 1. The bottom end of the stirring shaft 2 extends to the bottom of the transmission box body 1, and the top end of the stirring shaft 2 extends to the transmission box body 1. At the top of the housing 1, a gear ring 7 is provided above the transmission housing 1, and the bottom end surface of the gear ring 7 is provided with an inwardly recessed inner tooth groove 71, and the inner tooth groove 71 is distributed in an annular structure and is opened at the bottom edge of the gear ring 7. A transmission gear 24 matching the inner tooth groove 71 is provided on the top of the stirring shaft 2, and the transmission gear 24 is fixedly connected to the stirring shaft 2, and the transmission gear 24 is meshed with the inner tooth groove 71 for transmission. When the transmission housing 1 is rotated by the driving shaft 3, the transmission gear 24 can mesh and rotate along the trajectory of the inner tooth groove 71.

[0025] The stirring shaft 2 performs positive circular motion along the driving shaft 3 through the transmission housing 1, and the transmission gear 24 on the top of the stirring shaft 2 can mesh with the gear ring 7 above the transmission housing 1, so that the stirring shaft 2 can be reversed along its own axial direction, so that the material in the stirring vessel forms a large-scale stirring flow direction with the driving shaft 3 as the center, and at the same time, multiple small-scale second stirring flows with the stirring shaft 2 as the center are formed in the large-scale first stirring flow, which is beneficial to repeated mixing of the materials in the stirring vessel, and the mixing and stirring efficiency is better than that of the existing stirring transmission mechanism.

[0026] Specifically, Figure 3 and 5 As shown, the stirring shaft 2 is composed of a first transmission shaft 21 and a stirring rod 22. The first transmission shaft 21 is rotatably arranged in the inner cavity 11, and a plurality of first transmission shafts 21 are distributed in a circular array with the driving shaft 3 as the center. The stirring rod 22 is detachably connected to the bottom end of the first transmission shaft 21, and the stirring rod 22 extends to the bottom of the transmission box 1. The transmission gear 24 is fixedly connected to the top end of the first transmission shaft 21. A plurality of stirring blades 23 protruding outward are provided in the middle of the stirring rod 22.

[0027] Specifically, Figure 5 and 6 As shown, a fixed cylinder 12 is provided on the top of the transmission housing 1, and the fixed cylinder 12 is a cylindrical hollow structure. The bottom of the drive shaft 3 is plugged and fixed to the inside of the fixed cylinder 12, and the side wall of the drive shaft 3 and the inner wall of the fixed cylinder 12 are respectively provided with a matching first key groove 32 and a second key groove 13, and a flat key 6 is provided between the first key groove 32 and the second key groove 13, and the flat key 6 is embedded between the first key groove 32 and the second key groove 13 for connection.

[0028] In this embodiment, specifically Figure 5 As shown, a crushing shaft 4 is also provided inside the transmission housing 1, and the crushing shaft 4 is rotatably arranged at the bottom of the transmission housing 1. A transmission synchronous wheel 44 is provided at the top of the crushing shaft 4, and the transmission synchronous wheel 44 is arranged inside the transmission housing 1. The transmission synchronous wheel 44 is fixedly connected to the top of the crushing shaft 4. A rotatable driving synchronous wheel 31 is provided at the bottom of the driving shaft 3, and the driving synchronous wheel 31 extends to the inside of the inner cavity 11 through the driving shaft 3. The driving synchronous wheel 31 and the driving synchronous wheel 44 are connected by a synchronous belt. The crushing shaft 4 is arranged inside the transmission housing 1, so that the crushing shaft 4 can follow the transmission housing 1 and perform positive circular motion along the driving shaft 3 as the center;

[0029] The crushing shaft 4 is composed of a second transmission shaft 41, a crushing rod 42 and a plurality of crushing knives. The second transmission shaft 41 is rotatably arranged inside the transmission housing 1, and the crushing rod 42 is detachably connected to the bottom of the second transmission shaft 41, and the crushing rod 42 is arranged below the transmission housing 1. A plurality of crushing knives are arranged in the middle of the crushing rod 42 in a linear array structure, and the transmission synchronous wheel 44 is fixedly connected to the end of the second transmission shaft 41 away from the crushing rod 42. When working, the crushing shaft 4 transmits and connects the driving synchronous wheel 31 and the driving synchronous wheel 44 through the synchronous belt, and the driving synchronous wheel 31 moves forward following the driving shaft 3, and the materials in the stirring vessel can be crushed by the crushing knives.

[0030] In this embodiment, specifically Figure 1 and 5 As shown, a scraper shaft 5 is also provided inside the transmission housing 1, and the scraper shaft 5 is composed of a fixed shaft 51 and a scraper 52. The fixed shaft 51 is fixedly connected vertically inside the transmission housing 1, and the scraper 52 is a long sheet structure. The scraper 52 is vertically fixedly connected to the bottom of the fixed shaft 51, and the scraper 52 is arranged below the transmission housing 1. The top of the fixed shaft 51 is fixed to the top surface inside the transmission housing 1. The fixed shaft 51 moves forward following the driving shaft 3, so that the scraper 52 can rotate in a positive circle following the transmission housing 1. When working, the scraper 52 can rotate in a positive circle with the driving shaft 3 as the center, and scrape the material adhered to the inner wall of the stirring vessel into the center of the stirring vessel, which is beneficial to repeated mixing of the material in the stirring vessel. Compared with the existing stirring transmission mechanism, the mixing efficiency is better.

[0031] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A stirring transmission mechanism, comprising a transmission housing and a plurality of stirring shafts, wherein the interior of the transmission housing is an inner cavity, a driving shaft protruding upward is provided on the top of the transmission housing, the driving shaft and the transmission housing are fixedly connected, the driving shaft is used to drive the transmission housing to rotate along the driving shaft as the center, a plurality of stirring shafts are vertically rotatably arranged inside the transmission housing, the bottom end of the stirring shaft extends to the bottom of the transmission housing, and the top end of the stirring shaft extends to the top of the transmission housing, characterized in that: A gear ring is provided above the transmission box body, and an inwardly recessed internal tooth groove is provided on the bottom end surface of the gear ring. The internal tooth groove is distributed in an annular structure and is opened on the bottom edge of the gear ring. A transmission gear matching the internal tooth groove is provided on the top of the stirring shaft. The transmission gear is fixedly connected to the stirring shaft, and the transmission gear is meshed with the internal tooth groove for transmission. When the transmission box body is rotated by the driving shaft, the transmission gear can mesh and rotate along the trajectory of the internal tooth groove.

2. A stirring transmission mechanism according to claim 1, characterized in that: The stirring shaft is composed of a first transmission shaft and a stirring rod. The first transmission shaft is rotatably arranged in the inner cavity, and several first transmission shafts are distributed in a circular array with the driving shaft as the center. The stirring rod is detachably connected to the bottom end of the first transmission shaft, and the stirring rod extends to the bottom of the transmission box. The transmission gear is fixedly connected to the top end of the first transmission shaft.

3. A stirring transmission mechanism according to claim 2, characterized in that: A plurality of stirring blades protruding outwards are arranged in the middle of the stirring rod.

4. A stirring transmission mechanism according to claim 1, characterized in that: A fixed cylinder is arranged on the top of the transmission housing. The fixed cylinder is a cylindrical hollow structure. The bottom of the driving shaft is plugged and fixed to the inside of the fixed cylinder.

5. A stirring transmission mechanism according to claim 4, characterized in that: The side wall of the driving shaft and the inner wall of the fixed cylinder are respectively provided with a first keyway and a second keyway that match each other, a flat key is provided between the first keyway and the second keyway, and the flat key is embedded between the first keyway and the second keyway for connection.

6. A stirring transmission mechanism according to any one of claims 1 to 5, characterized in that: A crushing shaft is also provided inside the transmission box body, and the crushing shaft is rotatably arranged at the bottom of the transmission box body. A transmission synchronous wheel is provided on the top of the crushing shaft, and the transmission synchronous wheel is arranged inside the transmission box body. The transmission synchronous wheel is fixedly connected to the top of the crushing shaft. A rotatable driving synchronous wheel is provided at the bottom of the driving shaft, and the driving synchronous wheel extends to the inside of the inner cavity through the driving shaft. The driving synchronous wheel and the transmission synchronous wheel are connected through a synchronous belt.

7. A stirring transmission mechanism according to claim 6, characterized in that: The crushing shaft is composed of a second transmission shaft, a crushing rod and a plurality of crushing knives. The second transmission shaft is rotatably arranged inside the transmission case, and the crushing rod is detachably connected to the bottom of the second transmission shaft, and the crushing rod is arranged below the transmission case. The plurality of crushing knives are respectively arranged in the middle of the crushing rod in a linear array structure, and the transmission synchronous wheel is fixedly connected to the end of the second transmission shaft away from the crushing rod.

8. A stirring transmission mechanism according to any one of claims 1 to 5, characterized in that: A scraper shaft is also provided inside the transmission box, which is composed of a fixed shaft and a scraper. The fixed shaft is vertically fixedly connected to the inside of the transmission box, and the scraper is a long sheet structure. The scraper is vertically fixedly connected to the bottom of the fixed shaft, and the scraper is arranged below the transmission box.

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