Oil seal corrosion and oil leakage prevention mechanism for stirrer
By designing the matching structure of the male oil collecting tank and the female oil collecting tank on the mixer, the oil seal is isolated from the contact with the additive, which solves the problem of oil seal corrosion and oil leakage, extends the service life of the oil seal and reduces the equipment maintenance cost.
Patent Information
- Application Number
- CN202422632445.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-10-30
AI Technical Summary
When the mixer is mixing plastic particles, the oil seal corrodes due to contact with additives, causing oil leakage, affecting equipment operation and increasing material costs.
The coordinated structure of male and female oil collecting troughs is adopted to isolate the oil seal at the connection between the drive shaft and the four-way bracket from contact with external additives. The leaked oil is collected by the oil guide ring, and the oil collection mechanism is designed to extend the service life of the oil seal.
Effectively prevent oil seal corrosion, reduce oil leakage, reduce equipment maintenance frequency and maintenance costs, and avoid oil contamination of materials.
Smart Images

Figure CN223419826U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mixers, in particular to an anti-corrosion and oil leakage mechanism for an oil seal used in a mixer. Background Art
[0002] In industrial production, mixers are needed to stir plastic particles and additives in different proportions, and evenly mix plastic particles of different types, colors, and properties to provide suitable raw materials for subsequent production processes.
[0003] When mixing plastic particles, mixers periodically spray additives to promote mixing. Long-term contact between the oil seal at the mixer's main shaft and the additives can lead to corrosion and oil leakage. This oil can then flow along the mixing screw into the material being mixed, impacting the normal operation of the equipment and increasing material costs. Therefore, a mechanism is proposed to prevent oil seal corrosion and oil leakage in mixers. Utility Model Content
[0004] The purpose of the utility model is to provide an anti-corrosion and oil leakage mechanism for an oil seal of a mixer, which solves the technical problems raised in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-oil seal corrosion and oil leakage mechanism for a mixer, comprising a four-way bracket and bolts, the inner wall of the four-way bracket is rotatably connected to a transmission shaft, the lower end of the transmission shaft is provided with a stirring rod, the outer wall of the transmission shaft is fixedly connected to an oil collecting mechanism, the oil collecting mechanism comprises a female oil collecting tank and a male oil collecting tank, the female oil collecting tank is fixedly connected to the bottom end of the side wall of the transmission shaft, and the female oil collecting tank and the male oil collecting tank are detachably connected by bolts.
[0006] Preferably, an oil guide ring is fixedly connected to the outer wall of the transmission shaft, and the oil guide ring is located on the inner side of the female oil collecting groove.
[0007] Preferably, the mother oil collecting tank includes a mother oil collecting box, the top surface of the mother oil collecting box is fixedly connected to a mother arc plate, the front side wall of the mother arc plate is provided with a mother docking interface, the outer wall of the mother oil collecting box is provided with a mother oil collecting box flange, and a through hole 1 is opened on the mother oil collecting box flange.
[0008] Preferably, the public oil collecting tank includes a public oil collecting box, the top surface of the public oil collecting box is fixedly connected to a public arc plate, the rear side wall of the public arc plate is provided with a public docking interface, the outer wall of the public docking interface abuts against the inner wall of the public docking interface, the outer wall of the public oil collecting box is provided with a public oil collecting box flange, and the public oil collecting box flange is provided with a second through hole.
[0009] Preferably, the bolt is inserted into the inner side of the second through hole, and the rear end of the bolt passes through the first through hole and is threadedly connected with a nut.
[0010] Preferably, the bolt is inserted into the top end of the stirring rod, a threaded hole is provided at the bottom end of the transmission shaft, and the stirring rod is fixedly connected to the transmission shaft by the bolt.
[0011] Preferably, the bottom surface of the female oil collecting box and the bottom surface of the male oil collecting box are respectively provided with an oil drain port 1 and an oil drain port 2.
[0012] Compared with the related art, the anti-corrosion and oil leakage mechanism for the mixer provided by the present invention has the following beneficial effects:
[0013] 1. The utility model provides an anti-corrosion and oil leakage mechanism for a mixer. The cooperation of a male oil collecting groove and a female oil collecting groove is adopted to effectively isolate the oil seal at the connection between the transmission shaft and the four-way bracket from contact with external additives, thereby preventing the oil seal from corrosion. When the oil seal is worn and leaks oil, the oil stains can be deposited along the oil guide ring into the male oil collecting groove and the female oil collecting groove for collection, thereby extending the service life of the oil seal and reducing the frequency and maintenance cost of the equipment.
[0014] 2. The utility model provides an anti-oil seal corrosion and oil leakage mechanism for a mixer. The use of this oil collection mechanism can effectively prevent oil from dripping into the material along the screw, avoiding material loss. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a partial structural front view of the utility model;
[0017] Figure 3 For the utility model Figure 1 Enlarged view of point A in the middle;
[0018] Figure 4 This is a structural diagram of the public oil collecting tank of the utility model;
[0019] Figure 5 This is a structural schematic diagram of the mother oil collecting tank of the present utility model.
[0020] In the figure: 1. Four-way bracket; 2. Drive shaft; 3. Agitator rod; 4. Oil guide ring; 5. Female oil collecting trough; 501. Female oil collecting box; 502. Female curved plate; 503. Female docking port; 504. Female oil collecting box flange; 505. Through hole one; 506. Oil drain port one; 6. Male oil collecting trough; 601. Male oil collecting box; 602. Male curved plate; 603. Male docking port; 604. Male oil collecting box flange; 605. Through hole two; 606. Oil drain port two; 7. Bolt. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0022] Example:
[0023] See also Figure 1-Figure 5 The utility model provides a technical solution: an anti-oil seal corrosion and oil leakage mechanism for a mixer, comprising a four-way bracket 1 and a bolt 7. The inner wall of the four-way bracket 1 is rotatably connected to the transmission shaft 2, and the bolt 7 is inserted into the top of the stirring rod 3. A threaded hole is opened at the bottom of the transmission shaft 2, and the stirring rod 3 is fixedly connected to the transmission shaft 2 through the bolt 7. The lower end of the transmission shaft 2 is provided with a stirring rod 3, and the outer wall of the transmission shaft 2 is fixedly connected with an oil collecting mechanism. The oil collecting mechanism comprises a female oil collecting tank 5 and a male oil collecting tank 6. The female oil collecting tank 5 is fixedly connected to the bottom end of the side wall of the transmission shaft 2, and the female oil collecting tank 5 and the male oil collecting tank 6 are detachably connected by bolts 7. The stirring rod 3 is connected to the transmission shaft 2 through bolts 7, and the transmission shaft 2 is connected to the gear inside the four-way bracket 1. When working, the oil collecting mechanism is installed at the lower end of the transmission shaft 2, and the transmission shaft 2 provides rotating power for the stirring rod 3, so that the stirring rod 3 can operate normally.
[0024] An oil guide ring 4 is fixedly connected to the outer wall of the transmission shaft 2. The oil guide ring 4 is located inside the main oil collecting groove 5. The oil guide ring 4 is fixedly connected to the transmission shaft 2 by welding and plays the role of guiding oil. When the oil seal wears and leaks oil, the oil stains can be deposited along the oil guide ring 4 to the oil collecting mechanism outside the oil guide ring for collection.
[0025] The female oil collecting trough 5 includes a female oil collecting box 501, the top surface of which is fixedly connected to a female curved plate 502, a front side wall of which is provided with a female docking interface 503, an outer wall of the female oil collecting box 501 is provided with a female oil collecting box flange 504, a through hole 1 505 is provided on the female oil collecting box flange 504, and a male oil collecting box trough 6 includes a male oil collecting box 601, the top surface of the male oil collecting box 601 is fixedly connected to a male curved plate 602, a rear side wall of the male curved plate 602 is provided with a male docking interface 603, an outer wall of the male docking interface 603 abuts against an inner wall of the female docking interface 503, an outer wall of the male oil collecting box 601 is provided with a male oil collecting box flange 604, a through hole 2 605 is provided on the male oil collecting box flange 604, a bolt 7 is inserted through the inner side of the through hole 2 605, and a rear end of the bolt 7 passes through the through hole 1 505 and is threadedly connected with a nut;
[0026] During use, the male oil collecting tank 6 and the female oil collecting tank 5 are paired together. When the pairing is completed, the male docking interface 603 is inserted into the inner wall of the female docking interface 503 to form a clamping state, and then the bolt 7 is inserted into the through hole 1 505 and the through hole 2 605 to combine the male oil collecting tank 6 and the female oil collecting tank 5 into one. Through the cooperation between the male oil collecting tank 6 and the female oil collecting tank 5, the oil seal at the connection between the drive shaft 2 and the four-way bracket 1 can be effectively isolated from contact with external additives to prevent corrosion of the oil seal. When the oil seal is worn and leaks oil, the oil stains can be deposited along the oil guide ring 4 into the male oil collecting tank 6 and the female oil collecting tank 5 for collection.
[0027] The bottom surfaces of the female oil collecting box 501 and the male oil collecting box 601 are respectively provided with an oil drain port 1 506 and an oil drain port 2 606 , and the oil draining function is achieved through the oil drain port 1 506 on the female oil collecting tank 5 and the oil drain port 2 606 on the male oil collecting tank 6 .
[0028] Working principle: The driving shaft 2 provides rotational power to the stirring rod 3. When in use, the male oil collecting tank 6 and the female oil collecting tank 5 are paired together. When the pairing is completed, the male docking interface 603 is inserted into the inner wall of the female docking interface 503 to form a clamping state, and then the bolt 7 is inserted into the through hole 1 505 and the through hole 2 605 to combine the male oil collecting tank 6 and the female oil collecting tank 5 into one. Through the cooperation of the male oil collecting tank 6 and the female oil collecting tank 5, the oil seal at the connection between the driving shaft 2 and the four-way bracket 1 is effectively isolated from contact with external additives, thereby preventing oil seal corrosion. When the oil seal is worn and leaks oil, the oil stains can be deposited along the oil guide ring 4 into the male oil collecting tank 6 and the female oil collecting tank 5 for collection. In the later stage, the oil can be drained through the oil drain port 1 506 on the female oil collecting tank 5 and the oil drain port 2 606 on the male oil collecting tank 6. The use of this oil collecting mechanism can effectively isolate the oil seal from contacting additives, extend the service life of the oil seal, and reduce the frequency of equipment maintenance and maintenance costs.
[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An anti-corrosion and oil leakage mechanism for an agitator, comprising a four-way bracket (1) and bolts (7), characterized in that: The inner wall of the four-way bracket (1) is rotatably connected to a transmission shaft (2), the lower end of the transmission shaft (2) is provided with a stirring rod (3), the outer wall of the transmission shaft (2) is fixedly connected to an oil collecting mechanism, the oil collecting mechanism comprising a female oil collecting trough (5) and a male oil collecting trough (6), the female oil collecting trough (5) is fixedly connected to the bottom end of the side wall of the transmission shaft (2), and the female oil collecting trough (5) and the male oil collecting trough (6) are detachably connected by bolts (7).
2. The anti-corrosion and oil leakage mechanism for an agitator according to claim 1, characterized in that: An oil guide ring (4) is fixedly connected to the outer wall of the transmission shaft (2), and the oil guide ring (4) is located on the inner side of the main oil collecting groove (5).
3. The anti-corrosion and oil leakage mechanism for an agitator according to claim 1, characterized in that: The female oil collecting tank (5) comprises a female oil collecting box (501), the top surface of the female oil collecting box (501) is fixedly connected to a female arc-shaped plate (502), the front side wall of the female arc-shaped plate (502) is provided with a female docking port (503), the outer wall of the female oil collecting box (501) is provided with a female oil collecting box flange (504), and the female oil collecting box flange (504) is provided with a through hole 1 (505).
4. The anti-corrosion and oil leakage mechanism for an agitator according to claim 3, characterized in that: The male oil collecting tank (6) comprises a male oil collecting box (601), the top surface of the male oil collecting box (601) is fixedly connected to a male arc-shaped plate (602), the rear side wall of the male arc-shaped plate (602) is provided with a male docking interface (603), the outer wall of the male docking interface (603) abuts against the inner wall of the female docking interface (503), the outer wall of the male oil collecting box (601) is provided with a male oil collecting box flange (604), and the male oil collecting box flange (604) is provided with a second through hole (605).
5. The anti-corrosion and oil leakage mechanism for an agitator according to claim 1, characterized in that: The bolt (7) is inserted into the inner side of the second through hole (605), and the rear end of the bolt (7) passes through the first through hole (505) and is threadedly connected with a nut.
6. The anti-corrosion and oil leakage mechanism for an agitator according to claim 1, characterized in that: The bolt (7) is inserted into the top end of the stirring rod (3), a threaded hole is provided at the bottom end of the transmission shaft (2), and the stirring rod (3) is fixedly connected to the transmission shaft (2) via the bolt (7).
7. The anti-corrosion and oil leakage mechanism for an agitator according to claim 4, characterized in that: The bottom surface of the female oil collecting box (501) and the bottom surface of the male oil collecting box (601) are respectively provided with an oil drain port 1 (506) and an oil drain port 2 (606).