A stirring shaft of a stirring device
By installing an oil collection cup on the side wall of the coupling of the mixing device, the problem of oil leakage from the motor into the liquid material is solved, thereby improving the safety and uniformity of the mixing process.
Patent Information
- Application Number
- CN202210258973.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-03-16
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2042-03-16
AI Technical Summary
The keyed connection between the motor and the mixing shaft in existing mixing devices poses a quality risk due to oil leakage from the motor into the molten material.
The coupling design incorporates an oil collection cup on its side wall, with the opening facing the motor side, to collect oil leaking from the motor and prevent it from entering the feed liquid.
This effectively reduces the risk of motor oil leakage into the liquid material, and improves the safety and uniformity of the mixing process.
Smart Images

Figure CN114471261B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of stirring device, in particular to a stirring shaft of stirring device. BACKGROUND
[0002] In the tobacco industry, the stirring shaft of the stirring device plays a role in uniformly mixing the material liquid and ensuring the uniformity of the material liquid. With the continuous development of product development, the density and viscosity of the material liquid are different, and the production process is always stirred to ensure the uniformity of the material liquid. The original stirring device adopts a vertical installation of a motor on the stirring device, and the motor and the stirring shaft are connected in the form of a key. However, this transmission mode has the quality risk of oil leakage of the motor dripping into the material liquid.
[0003] Therefore, how to effectively solve the quality risk of oil leakage of the original direct connection motor is an urgent problem for the technical personnel in the field. SUMMARY
[0004] The purpose of the present application is to provide a stirring shaft of stirring device, which reduces the quality risk of oil leakage of the motor.
[0005] To solve the above technical problems, the present application provides the following technical scheme:
[0006] A stirring shaft of stirring device, comprising a motor, a shaft coupling, a stirring shaft with a first end connected to an output shaft of the motor through the shaft coupling, and stirring blades installed on a second end of the stirring shaft, wherein a side wall of the shaft coupling is provided with a ring of oil receiving cups, and openings of the oil receiving cups face one side of the motor.
[0007] Preferably, the shaft coupling comprises a male shaft coupling and a female shaft coupling, a mating surface of the male shaft coupling has a boss, and a mating surface of the female shaft coupling has a groove matched with the boss, one of which is connected to the output shaft of the motor, and the other is connected to the stirring shaft.
[0008] Preferably, the output shaft of the motor and the first end of the stirring shaft are respectively connected to the male shaft coupling and the female shaft coupling, and the oil receiving cups are arranged on the side wall of the male shaft coupling.
[0009] Preferably, the motor is fixed on the stirring tank through a support fixing frame.
[0010] Preferably, a shaft sleeve is sleeved on the second end of the stirring shaft, the stirring blades are connected to the shaft sleeve, the stirring blades are flat blades or spiral blades, and the shaft sleeve and the stirring shaft are detachably connected.
[0011] Preferably, the stirring blade comprises fixed blades fixed opposite to the side wall of the shaft sleeve and movable blades detachably connected to the fixed blades.
[0012] Preferably, the fixed blades and the movable blades are provided with connecting holes, and the fixed blades and the movable blades are connected by bolts.
[0013] Preferably, the connecting hole on the fixed blade is a long hole, the connecting hole on the movable blade is a round hole, the length direction of the long hole is along the length direction of the blade, and the bolt is movable along the length direction of the long hole.
[0014] Preferably, the round hole of the movable blade is a threaded hole matched with the bolt, and the end of the bolt passes through the long hole and the threaded hole in sequence.
[0015] Preferably, the movable blade is installed on the upper surface of the fixed blade.
[0016] The stirring shaft provided by the application comprises a motor, a shaft coupling, a stirring shaft, and a stirring blade. The first end of the stirring shaft is connected to the output shaft of the motor through the shaft coupling. The second end of the stirring shaft extends into a stirring tank. The stirring blade is installed on the second end of the stirring shaft. The output shaft of the motor drives the stirring shaft and the stirring blade to rotate, thereby stirring the liquid in the stirring tank and uniformly mixing the liquid to ensure the uniformity of the liquid.
[0017] Meanwhile, the side wall of the shaft coupling is provided with a ring of oil receiving cups. The openings of the oil receiving cups face the side of the motor. When the motor leaks oil, the leaked oil drops into the oil receiving cups, thereby preventing the leaked oil from dropping into the liquid and greatly reducing the quality risk of the leaked oil. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0019] Figure 1 The structure diagram of the stirring shaft provided in a specific embodiment of the present application is shown in the figure.
[0020] Figure 2 The structure diagram of the convex shaft coupling is shown in the figure.
[0021] Figure 3 The structure diagram of the concave shaft coupling is shown in the figure. Figure 2 The sectional view of A-A in the figure.
[0022] Figure 4 The structure diagram of the concave shaft coupling is shown in the figure.
[0023] Figure 5 For Figure 4 the sectional view of B-B in figure
[0024] Figure 6 For the structural diagram of the stirring blade;
[0025] Figure 7 For another structural diagram of the stirring blade;
[0026] Figure 8 For the structural diagram of the support frame;
[0027] Figure 9 For another structural diagram of the support frame;
[0028] Figure 10 For the structural diagram of the stirring shaft.
[0029] The marks in the drawings are as follows:
[0030] Motor 1, support frame 2, male coupling 3, female coupling 4, stirring shaft 5, shaft sleeve 6, stirring blade 7. DETAILED DESCRIPTION
[0031] The core of the present application is to provide a stirring shaft of a stirring device, which reduces the quality risk of motor oil leakage.
[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.
[0033] Please refer to Figures 1 to 10 , Figure 1 For the structural diagram of the stirring shaft provided in one specific embodiment of the present application; Figure 2 For the structural diagram of the male coupling; Figure 3 For Figure 2 the sectional view of A-A in figure Figure 4 For the structural diagram of the female coupling; Figure 5 For Figure 4 the sectional view of B-B in figure Figure 6 For the structural diagram of the stirring blade; Figure 7 For another structural diagram of the stirring blade; Figure 8 For the structural diagram of the support frame; Figure 9 For another structural diagram of the support frame; Figure 10 For the structural diagram of the stirring shaft.
[0034] In one specific embodiment, the stirring shaft of the stirring device provided by the present application comprises a motor 1, a coupling, a stirring shaft 5 connected to the output shaft of the motor 1 through the coupling, and stirring blades 7 mounted on the second end of the stirring shaft 5. The side wall of the coupling is provided with a ring of oil receiving cups, and the openings of the oil receiving cups face the side of the motor 1.
[0035] In the above structure, the stirring shaft of the stirring device comprises a motor 1, a coupling, a stirring shaft 5, and stirring blades 7. The first end of the stirring shaft 5 is connected to the output shaft of the motor 1 through the coupling, the second end of the stirring shaft 5 extends into the stirring tank, and the stirring blades 7 are mounted on the second end of the stirring shaft 5. The rotation of the output shaft of the motor 1 drives the stirring shaft 5 and the stirring blades 7 to rotate, thereby stirring and uniformly mixing the liquid in the stirring tank and ensuring the uniformity of the liquid.
[0036] Meanwhile, the side wall of the coupling is provided with a ring of oil receiving cups, and the openings of the oil receiving cups face the side of the motor 1. When the motor 1 leaks oil, the leaked oil drips into the oil receiving cups, preventing the motor 1 from leaking oil into the liquid and greatly reducing the quality risk of the motor 1.
[0037] The above stirring shaft 5 is only a preferred solution and is not limited in particular. Based on this, targeted adjustments can be made according to actual needs to obtain different embodiments. The coupling comprises a male coupling 3 and a female coupling 4. The mating surface of the male coupling 3 has a boss, and the mating surface of the female coupling 4 has a groove matched with the boss. The shape, position, and size of the male groove and the female groove are equal, and the male groove can be connected to the female groove. Preferably, the male groove and the female groove are clearance fit, and the male groove and the female groove are easily connected to each other.
[0038] One of them is connected to the output shaft of the motor 1, and the other is connected to the stirring shaft 5. The boss of the male coupling 3 is connected to the groove of the female coupling 4, thereby connecting the output shaft of the motor 1 and the stirring shaft 5. By connecting the male coupling 3 and the female coupling 4, the positioning effect is achieved, thereby ensuring the coaxiality of the output shaft of the motor 1 and the stirring shaft 5.
[0039] On the basis of the above specific embodiments, the output shaft of the motor 1 and the first end of the stirring shaft 5 are respectively connected to the male coupling 3 and the female coupling 4. Preferably, the output shaft of the motor 1 is connected to the male coupling 3 through a key, and the female coupling 4 is connected to the stirring shaft 5 through a key. The circumferential positioning is achieved through the key to prevent rotation during connection. The side wall of the male coupling 3 and the female coupling 4 has a through hole, and the first end of the output shaft of the motor 1 and the stirring shaft 5 has a recess at the corresponding position. The end of the jack screw is inserted into the recess through the through hole, thereby achieving axial positioning and preventing axial movement during connection.
[0040] Meanwhile, the convex coupling 3 and the concave coupling 4 are connected by bolts, which is convenient to connect and easy to disassemble.
[0041] Further, the oil receiving cup is arranged on the side wall of the convex coupling 3, and the oil receiving cup is close to the motor 1, so that the oil dripping from the motor 1 can be quickly received.
[0042] Preferably, the oil receiving cup is integrally formed with the convex coupling 3, for example, the oil receiving ring is machined on the convex coupling 3, which is convenient to machine and is not easy to leak oil, and is more reliable.
[0043] On the basis of the above various embodiments, the motor 1 is fixed on the stirring tank through the support fixing frame 2, that is, the motor 1 is installed on the support fixing frame 2, the support fixing frame 2 is installed on the stirring tank, and the motor 1 is fixed through the support fixing frame 2, so that the motor 1 is convenient to install and has good stability.
[0044] In another more reliable embodiment, on the basis of any one of the above embodiments, the second end of the stirring shaft 5 is sleeved with a shaft sleeve 6, the stirring shaft 5 is connected with the shaft sleeve 6 through a key, the stirring blade 7 is connected to the shaft sleeve 6, the root of the stirring blade 7 can be directly welded on the side wall of the shaft sleeve 6, the stirring blade 7 is not directly connected with the stirring shaft 5, and the stirring shaft 5 is less affected. Moreover, the shaft sleeve 6 is detachably connected with the stirring shaft 5, when the stirring blade 7 is seriously worn, the shaft sleeve 6 can be detached from the stirring shaft 5 for replacement, and the stirring shaft 5 and the motor 1 do not need to be replaced, which is convenient to replace and has low cost.
[0045] Preferably, the stirring blade 7 is a flat blade or a spiral blade, and the form of the blade can be self-set according to different specific use conditions, which is within the protection scope of the present application.
[0046] On the basis of the above various embodiments, the stirring blade 7 includes fixed blades and movable blades, the fixed blades are fixed relative to the side wall of the shaft sleeve 6, for example, through welding connection or machining forming. The movable blades are detachably connected with the fixed blades, and appropriate movable blades are selected according to the material, viscosity, stirring standard and the like of the stirring liquid, the movable blades are replaced, the material and length and width of the movable blades are accurately selected and adjusted, the service life of the stirring blade 7 is prolonged, the stirring efficiency is improved, the stirring time is reduced, and the electric energy is saved.
[0047] On the basis of the above various embodiments, the fixed blades and the movable blades are provided with connecting holes, and the fixed blades and the movable blades are connected through bolts, which has simple structure, is convenient to connect, and is convenient to disassemble and replace.
[0048] On the basis of each of the above embodiments, the connecting hole on the fixed blade is a long hole, the connecting hole on the movable blade is a round hole, the length direction of the long hole is along the length direction of the blade, the bolt can move along the length direction of the long hole, the length of the stirring blade 7 can be adjusted through the two fixed bolts and the long hole, the length of the stirring blade 7 can be dynamically adjusted, and the stirring efficiency is improved.
[0049] On the basis of each of the above embodiments, the round hole of the movable blade is a threaded hole matched with the bolt, the end of the bolt passes through the long hole and the threaded hole in turn, the bolt is matched with the threaded hole, the fastening nut is omitted, fewer connecting components are used, and the connection is quick and convenient.
[0050] On the basis of each of the above embodiments, the movable blade is installed on the upper surface of the fixed blade, the movable blade is supported on the upper surface of the fixed blade, the bolt is connected with the threaded hole located on the upper surface, and the movable blade is not easy to fall off and is more reliable.
[0051] Each of the embodiments in the specification is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between the embodiments can be referred to each other.
[0052] The stirring shaft of the stirring device provided by the application is described in detail above. The principles and implementation manners of the application are described by applying specific examples in the paper, and the above embodiment is only used to help understand the method of the application and its core idea. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the application without departing from the principles of the application, and these improvements and modifications also fall within the protection scope of the claims of the application. Therefore, the application will not be limited to the embodiments shown in the paper, but will be consistent with the widest range of principles and novel features disclosed in the paper.
Claims
1. A stirring shaft of a stirring device, characterized in that, The motor (1), the shaft coupling, the first end and the output shaft of the motor (1) are connected through the shaft coupling, the stirring shaft (5), the stirring blade (7) installed on the second end of the stirring shaft (5), the shaft coupling has a circle of oil cup on the side wall, the opening of the oil cup faces the side of the motor (1), the shaft coupling includes the male shaft coupling (3) and the female shaft coupling (4), the matching surface of the male shaft coupling (3) has a boss, the matching surface of the female shaft coupling (4) has a groove matched with the boss, one of them is connected with the output shaft of the motor (1), the other is connected with the stirring shaft (5); the output shaft of the motor (1) and the first end of the stirring shaft (5) are connected with the male shaft coupling (3) and the female shaft coupling (4) respectively, and the oil cup is arranged on the side wall of the male shaft coupling (3).
2. A stirring shaft (5) according to claim 1, characterized in that The motor (1) is fixed on the stirring tank through the support fixing frame (2).
3. A stirring shaft (5) according to any one of claims 1-2, characterized in that The second end of the stirring shaft (5) is sleeved with the shaft sleeve (6), the stirring blade (7) is connected to the shaft sleeve (6), the stirring blade (7) is a flat blade or a spiral blade, and the shaft sleeve (6) and the stirring shaft (5) are detachably connected.
4. A stirring shaft (5) according to claim 3, characterized in that The stirring blade (7) includes a fixed blade fixed opposite to the side wall of the shaft sleeve (6) and a movable blade detachably connected with the fixed blade.
5. A stirring shaft (5) according to claim 4, characterized in that The fixed blade and the movable blade are provided with connecting holes, and the fixed blade and the movable blade are connected by bolts.
6. A stirring shaft (5) according to claim 5, characterized in that The connecting hole on the fixed blade is a long hole, the connecting hole on the movable blade is a round hole, the length direction of the long hole is along the length direction of the blade, and the bolt can move along the length direction of the long hole.
7. A stirring shaft (5) according to claim 6, characterized in that The round hole of the movable blade is a threaded hole matched with the bolt, and the end of the bolt passes through the long hole and the threaded hole in sequence.
8. A stirring shaft (5) according to claim 7, characterized in that The movable blade is installed on the upper surface of the fixed blade.
Citation Information
Patent Citations
Stirring shaft of stirring device
CN216825861U