A surface spraying device for gearbox machining

By designing automated lifting and painting components, the problem of low painting efficiency in traditional gearboxes has been solved, achieving all-around automated painting and improving painting efficiency and quality.

CN224486413UActive Publication Date: 2026-07-14FUQING YONGYULAI GEAR CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUQING YONGYULAI GEAR CO LTD
Filing Date
2025-08-06
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Traditional gearbox coating equipment requires manual flipping, resulting in low coating efficiency and wasted labor.

Method used

A surface spraying device for gearbox processing, including a lifting component and a painting component, was designed. The device utilizes a lifting component and an arc rod to achieve automatic all-round spraying of the gearbox housing, and combines a servo motor and a hydraulic cylinder to precisely control the spraying process.

Benefits of technology

It achieves automatic all-around spraying without manual flipping, significantly improving spraying efficiency, ensuring uniformity and integrity of the coating, and is suitable for mass production.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224486413U_ABST
    Figure CN224486413U_ABST
Patent Text Reader

Abstract

The utility model relates to gearbox machining equipment technical field, concretely is a kind of surface spraying device for gearbox processing, including bottom plate, lifting assembly and paint spraying assembly, bottom plate upper end is equipped with protective box, and protective box is placed gearbox shell inside;Lifting assembly contains lifting assembly, lifting plate and so on, can stably lift shell;Paint spraying assembly has standpipe, arc rod, feed pump and so on, can realize all -round spraying, its working steps are: placing shell, fixed hoisting, lifting shell, starting paint spraying system, all -round spraying, complete spraying, the device is realized automatic spraying by arc rod rotation, save manpower, improve efficiency, guarantee that spraying is uniform and complete;Lifting and paint spraying assembly structure are stable, improve operating safety;Optimize paint delivery, and driving system is efficient and reliable, suitable for mass production.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the technical field of gearbox processing equipment, specifically to a surface spraying device for gearbox processing. Background Technology

[0002] A gearbox is mainly composed of gears and shafts. Different gear combinations produce speed and torque changes. During the manufacturing process, the gearbox housing is usually painted to prevent damage during long-term use and extend the service life of the gearbox.

[0003] Traditionally, the spraying equipment used for gearbox processing involves placing the gearbox housing on a spray table and using a handheld spray gun to spray one side of the gearbox. This requires manual switching to complete the spraying of the other sides of the gearbox, which is not only a waste of manpower but also has low spraying efficiency. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a surface coating device for gearbox processing.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the present invention provides the following technical solution: a surface spraying device for gearbox processing, comprising a base plate, a lifting assembly and a painting assembly, wherein a protective box is fixedly installed at the upper end of the base plate, a door is provided at the front end of the protective box, a control box is provided on one side of the protective box, and the gearbox housing is placed inside the protective box.

[0008] The lifting assembly includes a lifting component and a lifting plate. The lifting component is fixed to the upper end of the protective box. The output end of the lifting component is provided with a lifting rod that penetrates the protective box. The lifting plate is fixed to the lower end of the lifting rod. The lower end of the lifting plate is provided with multiple pull ropes, and the lower end of the pull ropes is provided with hooks.

[0009] The painting assembly includes a vertical pipe, a fixed base, an arc-shaped rod, and a feed pump. The fixed base is fixed to the upper end of the base plate and located inside the protective box. The vertical pipe passes through the fixed base and is rotatably connected to it. The bottom end of the arc-shaped rod is connected to the top end of the vertical pipe. Multiple guide tubes are provided on the inner wall of the arc-shaped rod. A nozzle is provided at the end of the guide tube away from the arc-shaped rod. The feed pump is fixed to the lower end of the base plate. A conveying pipe is provided at the discharge end of the feed pump. A transfer pipe is provided at one end of the conveying pipe. The transfer pipe is connected to the bottom end of the vertical pipe through a rotary joint.

[0010] To improve the stability of the gearbox housing during lifting, the present invention includes improvements such as using stainless steel for the hook and steel wire rope for the pull rope.

[0011] To improve the stability of the arc-shaped rod during use, the present invention includes the following improvements: the vertical tube passes vertically through the fixed base and is rotatably connected to the fixed base via a bearing; both the bottom end of the arc-shaped rod and the top end of the vertical tube are provided with flange plates, which are fixed by screws; a gear ring is provided on the periphery of the bottom of the vertical tube; a motor is provided at the lower end of the base plate; and a gear that meshes with the gear ring is provided at the output end of the motor.

[0012] Further improvements to this utility model include: the material conveying pipe is made of rubber, the transfer pipe, the vertical pipe, and the arc rod are all made of metal pipe, the lifting assembly is made of hydraulic cylinder, and the motor is made of servo motor.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, the present invention provides a surface coating device for gearbox processing, which has the following beneficial effects:

[0015] Improved spraying efficiency and reduced labor costs: Compared to the traditional handheld spray gun spraying method that requires manual flipping, this device achieves all-round automatic spraying of the gearbox housing through the rotation of the arc rod, without the need for manual intervention to flip it over, greatly saving labor input, and significantly improving spraying efficiency, making it suitable for mass production needs.

[0016] Ensure uniformity and integrity of spraying: Multiple nozzles distributed on the inner wall of the arc-shaped rod can spray the shell from different angles. Combined with the rotation of the arc-shaped rod, it can cover all the outer walls of the shell, avoiding problems such as missed spraying and double spraying caused by manual operation in traditional spraying. Attached Figure Description

[0017] Figure 1 This is a first-view perspective three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a second-view perspective three-dimensional structural diagram of the present invention;

[0019] Figure 3 This utility model Figure 1 The main view;

[0020] Figure 4 This is a schematic diagram of the gearbox housing in this utility model;

[0021] In the diagram: 1. Base plate; 2. Protective box; 3. Lifting assembly; 4. Lifting rod; 5. Lifting plate; 6. Pull rope; 7. Hook; 8. Control box; 9. Feed pump; 10. Vertical pipe; 11. Fixed base; 12. Arc rod; 13. Nozzle; 14. Conduit; 15. Motor; 16. Gear; 17. Gear ring; 18. Adapter pipe; 19. Gearbox housing. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-4 The present invention provides a surface spraying device for gearbox processing, comprising a base plate 1, a lifting assembly and a painting assembly. A protective box 2 is fixedly installed on the upper end of the base plate 1. A door is provided at the front end of the protective box 2. A control box 8 is provided on one side of the protective box 2. The gearbox housing 19 is placed inside the protective box 2.

[0024] The lifting assembly includes a lifting assembly 3 and a lifting plate 5. The lifting assembly 3 is fixed to the upper end of the protective box 2. The output end of the lifting assembly 3 is provided with a lifting rod 4 that penetrates the protective box 2. The lifting plate 5 is fixed to the lower end of the lifting rod 4. The lower end of the lifting plate 5 is provided with multiple pull ropes 6, and the lower end of the pull ropes 6 is provided with hooks 7.

[0025] The painting assembly includes a vertical pipe 10, a fixed base 11, an arc-shaped rod 12, and a feed pump 9. The fixed base 11 is fixed to the upper end of the base plate 1 and located inside the protective box 2. The vertical pipe 10 passes through the fixed base 11 and is rotatably connected to the fixed base 11. The bottom end of the arc-shaped rod 12 is connected to the top end of the vertical pipe 10. Multiple guide tubes 14 are provided on the inner wall of the arc-shaped rod 12. A nozzle 13 is provided at the end of the guide tube 14 away from the arc-shaped rod 12. The feed pump 9 is fixed to the lower end of the base plate 1. A conveying pipe is provided at the outlet end of the feed pump 9. A transfer pipe 18 is provided at one end of the conveying pipe. The transfer pipe 18 is connected to the bottom end of the vertical pipe 10 through a rotary joint.

[0026] The bottom of the vertical tube 10 is provided with a toothed ring 17, and the lower end of the base plate 1 is provided with a motor 15. The output end of the motor 15 is provided with a gear 16 that meshes with the toothed ring 17.

[0027] Preparation: Open the front door of the protective box 2 and place the gearbox housing 19 to be painted in the designated position inside the protective box 2.

[0028] Fixed hoisting: Hang the multiple hooks 7 at the lower end of the lifting plate 5 in the lifting assembly at the pre-set through holes in the gearbox housing 19 to ensure that the hooks 7 are stably connected to the housing.

[0029] Lifting the housing: The lifting assembly 3 is activated by the control box 8. The lifting assembly 3 drives the lifting rod 4 to move upward, which in turn drives the lifting plate 5 and the connected pull rope 6 and hook 7 to rise synchronously, so as to stably lift the gearbox housing 19 to the appropriate spraying height inside the protective box 2.

[0030] Start the painting system: After the gearbox housing 19 is stably suspended, start the feed pump 9. The feed end of the feed pump 9 is connected to the paint container through a preset pipeline, so that the paint enters the vertical pipe 10 through the feed pipe and the transfer pipe 18 in sequence, and is then transported to the inside of the arc rod 12 by the vertical pipe 10.

[0031] All-round spraying: Paint is delivered to the nozzle 13 through multiple conduits 14 inside the arc rod 12 and sprayed out. At the same time, the motor 15 starts, and the gear 16 at its output end drives the gear ring 17 on the bottom periphery of the vertical tube 10 to rotate, so that the vertical tube 10 and the arc rod 12 rotate synchronously. As the nozzle 13 rotates with the arc rod 12, it sprays the outer wall of the gearbox housing 19 in all directions without dead angles.

[0032] Complete the spraying: After the spraying operation is completed, turn off the feed pump 9 and motor 15, slowly lower the gearbox housing 19 through the lifting component 3, open the box door and take out the housing to complete the entire spraying process.

[0033] The hook 7 is made of stainless steel, and the pull rope 6 is made of steel wire rope.

[0034] The lifting assembly uses stainless steel hooks 7 and steel wire ropes 6, which improves the lifting load-bearing capacity and stability of the gearbox housing 19 and prevents the housing from shaking or falling off during hoisting and painting. The number of hooks 7 and the length of ropes 6 are not mandatory here and can be customized according to the specific structure of the gearbox housing 19.

[0035] The vertical tube 10 passes vertically through the fixed base 11 and is rotatably connected to the fixed base 11 via a bearing. The bottom end of the arc-shaped rod 12 and the top end of the vertical tube 10 are both provided with flange plates, and the two flange plates are fixed by screws.

[0036] The vertical pipe 10 and the fixed base 11 are rotatably connected by bearings, and the arc-shaped rod 12 is fixed to the vertical pipe 10 by a flange plate, which further enhances the structural stability of the painting assembly and ensures a smooth and reliable painting process.

[0037] The material conveying pipe is made of rubber, the transfer pipe 18, the vertical pipe 10 and the arc rod 12 are all made of metal pipe, the lifting assembly 3 is a hydraulic cylinder, and the motor 15 is a servo motor.

[0038] The adapter pipe 18, the vertical pipe 10, and the arc rod 12 are made of metal pipes, which ensures the sealing and structural strength during the paint conveying process and is suitable for conveying various paints.

[0039] The lifting assembly 3 uses a hydraulic cylinder, which ensures smooth lifting and strong load-bearing capacity and can precisely control the lifting height of the housing; the motor 15 uses a servo motor, which can precisely control the rotation speed and angle of the arc rod 12, ensuring the accuracy of the spraying rhythm and coverage area, and improving the overall operating efficiency of the equipment.

[0040] The control box 8 is the core of the spraying device, which integrates a controller, relays, signal receiving and output modules, etc.

[0041] For the feed pump 9 (water pump), the control box 8 receives the operation command and sends a signal to the relay. After the relay closes, it connects the power supply to the feed pump 9 and starts it. When the stop command is sent, the relay opens and the feed pump 9 is de-energized and stops, thereby controlling the start and stop of paint delivery.

[0042] For motor 15, the controller of control box 8 outputs pulse signals to the motor 15 driver, and the driver controls the start, stop, speed and direction of motor 15 according to the signals. By adjusting the pulse frequency to change the speed of motor 15, the rotation speed of arc rod 12 is controlled, thereby realizing the adjustment of spraying rhythm.

[0043] For the lifting assembly 3, the control box 8 sends an electrical signal to its corresponding control valve to control the on / off state and flow direction of the hydraulic oil. When energized, the control valve opens, and hydraulic oil enters the lifting assembly 3 to actuate it, driving the housing to rise and fall; when de-energized, the control valve closes, the lifting assembly 3 stops operating, and the lifting state of the housing is precisely controlled.

[0044] In the description herein, it should be noted that relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0045] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A surface coating apparatus for gearbox processing, characterized in that, The system includes a base plate (1), a lifting assembly, and a painting assembly. A protective box (2) is fixedly installed on the upper end of the base plate (1). The front end of the protective box (2) is provided with a door, and a control box (8) is provided on one side of the protective box (2). A gearbox housing (19) is placed inside the protective box (2). The lifting assembly includes a lifting assembly (3) and a lifting plate (5). The lifting assembly (3) is fixed to the upper end of the protective box (2). The output end of the lifting assembly (3) is provided with a lifting rod (4) that penetrates the protective box (2). The lifting plate (5) is fixed to the lower end of the lifting rod (4). The lower end of the lifting plate (5) is provided with multiple pull ropes (6), and the lower end of the pull ropes (6) is provided with hooks (7). The painting assembly includes a vertical pipe (10). The fixed base (11), the arc rod (12), and the feed pump (9) are provided. The fixed base (11) is fixed to the upper end of the base plate (1) and located inside the protective box (2). The vertical pipe (10) passes through the fixed base (11) and is rotatably connected to the fixed base (11). The bottom end of the arc rod (12) is connected to the top end of the vertical pipe (10). Multiple guide tubes (14) are provided on the inner wall of the arc rod (12). The end of the guide tube (14) away from the arc rod (12) is provided with a nozzle (13). The feed pump (9) is fixed to the lower end of the base plate (1). The discharge end of the feed pump (9) is provided with a conveying pipe. One end of the conveying pipe is provided with a transfer pipe (18). The transfer pipe (18) is connected to the bottom end of the vertical pipe (10) through a rotary joint.

2. The surface coating apparatus for gearbox processing according to claim 1, characterized in that, The hook (7) is made of stainless steel, and the pull rope (6) is made of steel wire rope.

3. The surface coating apparatus for gearbox processing according to claim 2, characterized in that, The vertical tube (10) passes vertically through the fixed seat (11) and is rotatably connected to the fixed seat (11) through a bearing. The bottom end of the arc rod (12) and the top end of the vertical tube (10) are both provided with flange plates, and the two flange plates are fixed by screws.

4. The surface coating apparatus for gearbox processing according to claim 3, characterized in that, The bottom of the vertical tube (10) is provided with a toothed ring (17) on its periphery, and the bottom end of the base plate (1) is provided with a motor (15), and the output end of the motor (15) is provided with a gear (16) that meshes with the toothed ring (17).

5. The surface coating apparatus for gearbox processing according to claim 4, characterized in that, The material conveying pipe is made of rubber, while the transfer pipe (18), the vertical pipe (10), and the arc rod (12) are all made of metal.

6. The surface coating apparatus for gearbox processing according to claim 5, characterized in that, The lifting assembly (3) is a hydraulic cylinder, and the motor (15) is a servo motor.