Gear and grinding device thereof
By using a motor to drive the gear rotation and the spray head to reciprocate, the problem of unevenness in gear painting is solved, achieving uniform painting of the gear outer wall and improving the service life and stability of the equipment.
Patent Information
- Application Number
- CN202520844609.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-29
AI Technical Summary
In existing technologies, gear painting operations suffer from uneven operation and blind spots, resulting in differences in the thickness of the coating on the gear surface, which affects the service life and stability of the equipment.
The system employs a first motor to drive the gear to rotate and a second motor to drive the nozzle to reciprocate. Combined with a clamping mechanism, this achieves uniform paint spraying on the outer wall of the gear. The clamping mechanism fixes the gear, and the motor drives the rotation of the gear and the reciprocating movement of the nozzle, ensuring uniform paint spraying.
This method achieves uniform painting on the outer wall of the gear, improves the coating quality, and enhances the gear's corrosion resistance and service life.
Smart Images

Figure CN223923738U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gear technology for fuel vehicle transmissions, and in particular to a gear and its grinding device. Background Technology
[0002] As a core component of the transmission system in fuel-powered vehicles, the surface treatment process of gears has a significant impact on the service life and operational stability of the equipment.
[0003] In gear manufacturing, surface painting is a crucial step in improving the corrosion resistance and service life of gears. Traditional gear painting operations mostly rely on manual operation or fixed painting equipment. When painting manually, operators have difficulty accurately controlling the movement trajectory of the spray gun and the paint flow rate, which easily leads to uneven paint coverage. When using a fixed nozzle solution, the rigid setting of the nozzle installation position and spray angle can easily create blind spots between adjacent nozzles, resulting in periodic differences in the thickness of the paint on the gear surface. To solve the above problems, this application proposes a gear and its grinding device. Utility Model Content
[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology by proposing a gear and its grinding device. The gear can be driven to rotate by a first motor and the spray head can be driven to reciprocate by a second motor, so as to achieve uniform painting on the outer wall of the gear.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A gear includes a gear surface, teeth, a first gear shaft, a second gear shaft, and tooth grooves. The number of teeth is set to be multiple and fixedly installed on the outer wall of the tooth surface at equal intervals. The two ends of the tooth surface are coaxially fixedly connected to the first gear shaft and the second gear shaft, respectively. Multiple tooth grooves are formed on the outer wall of the second gear shaft, and the multiple tooth grooves are distributed at equal intervals.
[0007] This utility model also discloses a gear grinding device, including a hollow plate, with the gear disposed above the hollow plate. A clamping mechanism is provided on the hollow plate, and a U-shaped frame is fixedly connected to the top of the hollow plate. A second motor is fixedly connected to the side wall of the U-shaped frame, and a reciprocating lead screw is fixedly connected to the output end of the second motor. A sliding plate is sleeved on the outer wall of the reciprocating lead screw. A paint tank is fixedly connected to the top of the U-shaped frame, and a pumping mechanism is fixedly connected to the side wall of the paint tank. A spray pipe is fixedly connected to the pumping mechanism, and the spray pipe is disposed at the bottom of the sliding plate and fixedly connected thereto. Multiple spray nozzles are fixedly connected to the bottom of the spray pipe.
[0008] Preferably, the clamping mechanism includes a lead screw that passes through and is rotatably connected to the hollow plate. A handle is fixedly connected to the end of the lead screw away from the hollow plate. A slider threadedly connected to the lead screw is sleeved on the outer wall of the lead screw. An L-shaped plate is fixedly connected to the top of each of the two sliders. Bowl-shaped limiting members are provided at both ends of the gear. The L-shaped plate on the left is fixedly connected to the bowl-shaped limiting member on the left. A first motor is fixedly connected to the side wall of the L-shaped plate on the right. The output shaft of the first motor passes through the L-shaped plate and is rotatably connected to it, and the end of the output shaft is coaxially fixedly connected to the bowl-shaped limiting member on the right.
[0009] Preferably, the lead screw has two external threads with opposite directions, and the two sliders are respectively sleeved on the outer walls of the two external threads with opposite directions. The inner wall of the hollow plate is fixedly connected to two limiting rods, and each limiting rod passes through the two sliders and is slidably connected to them.
[0010] Preferably, the reciprocating lead screw passes through the U-shaped frame and is rotatably connected to it, and two slide rods are fixedly connected to the U-shaped frame, both of which pass through the slide plate and are slidably connected to it.
[0011] Preferably, the pumping mechanism includes a first connecting pipe, a material pump, and a second connecting pipe. The first connecting pipe is fixedly connected to the paint tank. The material pump is disposed on the top of the U-shaped frame and fixedly connected to it. The inlet and outlet ends of the material pump are fixedly connected to the first connecting pipe and the second connecting pipe, respectively. The second connecting pipe passes through the U-shaped frame and is fixedly connected to it. The end of the second connecting pipe is fixedly connected to the side wall of the spray pipe.
[0012] Compared with the prior art, the advantages of this utility model are as follows:
[0013] 1. The operator holds the handle and rotates it to drive the lead screw to rotate, causing the sliders, L-shaped plates, and cup-shaped limiters on both sides to move relative to each other until both ends of the gear are inserted into the cup-shaped limiters and abut against the inner wall of the cup-shaped limiters, thus completing the clamping and fixing of both ends of the gear.
[0014] 2. The output shaft of the first motor drives the right-side bowl-shaped limiter, gear, and left-side bowl-shaped limiter to rotate. The output end of the second motor drives the reciprocating screw to rotate, causing the slide plate, spray pipe, and multiple nozzles to move back and forth. The rotation of the gear and the reciprocating movement of the nozzles can evenly spray paint onto the outer wall of the gear, ensuring uniform paint application.
[0015] In summary, the first motor drives the gear to rotate, and the second motor drives the spray head to reciprocate, thus achieving uniform painting on the outer wall of the gear. Attached Figure Description
[0016] Figure 1This is a schematic diagram of the first structure of a gear proposed in this utility model;
[0017] Figure 2 This is a schematic diagram of the second structure of a gear proposed in this utility model;
[0018] Figure 3 This is a schematic diagram of the structure of a gear grinding device proposed in this utility model;
[0019] Figure 4 This is a cross-sectional structural diagram of a gear grinding device proposed in this utility model.
[0020] In the diagram: 1 Gear, 1-1 Tooth Surface, 1-2 Tooth, 1-3 First Gear Shaft, 1-4 Second Gear Shaft, 1-5 Tooth Groove, 2 Hollow Plate, 3 Lead Screw, 4 Handle, 5 Slider, 6 Limiting Rod, 7 L-shaped Plate, 8 Bowl-shaped Limiting Part, 9 First Motor, 10 Second Motor, 11 Reciprocating Lead Screw, 12 Slide Plate, 13 Slide Rod, 14 Paint Tank, 15 Pumping Mechanism, 16 Spray Pipe, 17 U-shaped Frame. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0022] Reference Figures 1-2 A gear includes a gear 1, which includes a tooth surface 1-1, teeth 1-2, a first gear shaft 1-3, a second gear shaft 1-4, and tooth grooves 1-5. The number of teeth 1-2 is set to be multiple and fixedly installed on the outer wall of the tooth surface 1-1 at equal intervals. The teeth 1-2 are inclined. The two ends of the tooth surface 1-1 are coaxially fixedly connected to the first gear shaft 1-3 and the second gear shaft 1-4, respectively. Multiple tooth grooves 1-5 are opened on the outer wall of the second gear shaft 1-4 and are distributed at equal intervals.
[0023] Reference Figures 3-4A gear grinding device includes a hollow plate 2, with a gear 1 positioned above the hollow plate 2. A clamping mechanism is provided on the hollow plate 2, including a lead screw 3 that passes through and rotatably connects to the hollow plate 2. A handle 4 is fixedly connected to the end of the lead screw 3 away from the hollow plate 2. A slider 5, threadedly connected to the lead screw 3, is fitted onto the outer wall of the lead screw 3. The lead screw 3 has two external threads with opposite directions. The two sliders 5 are respectively fitted onto the outer walls of the two opposite external threads. Two limiting rods 6 are fixedly connected to the inner wall of the hollow plate 2, each limiting rod 6 passing through and slidably connecting to the two sliders 5. L-shaped plates 7 are fixedly connected to the top of 5. Both ends of gear 1 are provided with bowl-shaped limiting parts 8. The left L-shaped plate 7 is fixedly connected to the left bowl-shaped limiting part 8. The right side wall of the L-shaped plate 7 is fixedly connected to the first motor 9. The output shaft of the first motor 9 passes through the L-shaped plate 7 and is rotatably connected to it. The end of the output shaft is coaxially fixedly connected to the right bowl-shaped limiting part 8. By rotating the handle 4, the lead screw 3 can be rotated, so that the bowl-shaped limiting parts 8 on both sides can move relative to each other, thereby clamping and fixing gear 1. The clamped gear 1 is rotated by the first motor 9 to achieve full painting operation.
[0024] A U-shaped frame 17 is fixedly connected to the top of the hollow plate 2. A second motor 10 is fixedly connected to the side wall of the U-shaped frame 17. A reciprocating screw 11 is fixedly connected to the output end of the second motor 10. The reciprocating screw 11 passes through the U-shaped frame 17 and is rotatably connected to it. A slide plate 12 is fitted on the outer wall of the reciprocating screw 11. Two sliding rods 13 are fixedly connected to the U-shaped frame 17. Both sliding rods 13 pass through the slide plate 12 and are slidably connected to it. A paint tank 14 is fixedly connected to the top of the U-shaped frame 17. The paint tank 14 stores paint. A pumping mechanism 15 is fixedly connected to the side wall of the paint tank 14. A spray pipe 16 is fixedly connected to the pumping mechanism 15. The spray pipe 16 is located at the bottom of the slide plate 12 and is fixedly connected to it. Multiple nozzles are fixedly connected to the bottom of the spray pipe 16. Paint is sprayed out through the multiple nozzles to spray paint on the outer wall of the rotating gear 1.
[0025] The pumping mechanism 15 includes a first connecting pipe, a material pump, and a second connecting pipe. The first connecting pipe is fixedly connected to the paint tank 14. The material pump is located on the top of the U-shaped frame 17 and is fixedly connected to it. The material pump is a paint pump used to transport paint. The inlet and outlet ends of the material pump are fixedly connected to the first connecting pipe and the second connecting pipe, respectively. The second connecting pipe passes through the U-shaped frame 17 and is fixedly connected to it. The second connecting pipe is a retractable hose. The end of the second connecting pipe is fixedly connected to the side wall of the spray pipe 16.
[0026] In this invention, when the gear 1 needs to be painted, the worker places the gear 1 between the two bowl-shaped limiting parts 8, and rotates the handle 4 to rotate the lead screw 3, causing the sliders 5, L-shaped plates 7, and bowl-shaped limiting parts 8 on both sides to move relative to each other until both ends of the gear 1 are inserted into the bowl-shaped limiting parts 8 and abut against the inner wall of the bowl-shaped limiting parts 8. The first motor 9 is then started, and the output shaft of the first motor 9 drives the right bowl-shaped limiting part 8, the gear 1, and the left bowl-shaped limiting part 8. Part 8 rotates; the second motor 10 and the pumping mechanism 15 are started, and the paint in the paint tank 14 is injected into the spray pipe 16 through the first connecting pipe and the second connecting pipe by the material pump. Finally, the paint is sprayed out through multiple nozzles. The output end of the second motor 10 drives the reciprocating screw 11 to rotate, so that the slide plate 12, the spray pipe 16 and the multiple nozzles move back and forth. Through the rotation of the gear 1 and the reciprocating movement of the nozzles, the outer wall of the gear 1 can be evenly sprayed with paint, so that the paint is sprayed evenly.
Claims
1. A gear wheel comprising a gear wheel (1), characterized in that The gear (1) comprises a tooth surface (1-1), teeth (1-2), a first tooth shaft (1-3), a second tooth shaft (1-4) and tooth grooves (1-5), the teeth (1-2) are fixedly installed on the outer wall of the tooth surface (1-1) at equal intervals, the two ends of the tooth surface (1-1) are coaxially fixedly connected with the first tooth shaft (1-3) and the second tooth shaft (1-4) respectively, a plurality of tooth grooves (1-5) are formed in the outer wall of the second tooth shaft (1-4), and the plurality of tooth grooves (1-5) are distributed at equal intervals.
2. A device for grinding a gear wheel comprising a hollow plate (2), characterized in that, The gear (1) is arranged above the hollow plate (2), the hollow plate (2) is provided with a clamping mechanism, the top of the hollow plate (2) is fixedly connected with a U-shaped frame (17), the side wall of the U-shaped frame (17) is fixedly connected with a second motor (10), the output end of the second motor (10) is fixedly connected with a reciprocating lead screw (11), the outer wall of the reciprocating lead screw (11) is sleeved with a sliding plate (12), the top of the U-shaped frame (17) is fixedly connected with a paint tank (14), the side wall of the paint tank (14) is fixedly connected with a pumping mechanism (15), the pumping mechanism (15) is fixedly connected with a spray pipe (16), the spray pipe (16) is arranged at the bottom of the sliding plate (12) and is fixedly connected with the sliding plate (12), and the bottom of the spray pipe (16) is fixedly connected with a plurality of nozzles.
3. A gear lapping device as claimed in claim 2, wherein The clamping mechanism comprises a lead screw (3) penetrating through the hollow plate (2) and being rotatably connected with the hollow plate (2), one end of the lead screw (3) away from the hollow plate (2) is fixedly connected with a handle (4), the outer wall of the lead screw (3) is sleeved with a sliding block (5) threadedly connected with the lead screw (3), the top of each of two sliding blocks (5) is fixedly connected with an L-shaped plate (7), the two ends of the gear (1) are provided with bowl-shaped limiters (8), the left L-shaped plate (7) is fixedly connected with the left bowl-shaped limiter (8), the side wall of the right L-shaped plate (7) is fixedly connected with a first motor (9), the output shaft of the first motor (9) penetrates through the L-shaped plate (7) and is rotatably connected with the L-shaped plate (7), and the output shaft is coaxially fixedly connected with the right bowl-shaped limiter (8).
4. A gear lapping device according to claim 3, wherein The lead screw (3) is provided with two external threads with opposite directions, and the two sliding blocks (5) are sleeved on the outer walls of the two external threads with opposite directions, respectively.
5. The device for grinding a gear according to claim 2, wherein The lead screw (3) penetrates through the U-shaped frame (17) and is rotatably connected with the U-shaped frame (17), the U-shaped frame (17) is fixedly connected with two sliding rods (13), and the two sliding rods (13) penetrate through the sliding plate (12) and are slidably connected with the sliding plate (12).
6. The device for grinding a gear according to claim 2, wherein The pumping mechanism (15) comprises a first connecting pipe, a material pump and a second connecting pipe, the first connecting pipe is fixedly communicated with the paint tank (14), the material pump is arranged at the top of the U-shaped frame (17) and fixedly connected therewith, the feeding end and the discharging end of the material pump are fixedly communicated with the first connecting pipe and the second connecting pipe respectively, the second connecting pipe penetrates through the U-shaped frame (17) and is fixedly connected therewith, and the end of the second connecting pipe is fixedly communicated with the side wall of the spray pipe (16).