Primary driving gear machining special machine

By using a bevel gear transmission system driven by a hydraulic cylinder and a servo motor, combined with a metal brush grinding disc, the problem of existing gear processing machines being unable to effectively grind gear grooves has been solved. This achieves efficient and uniform gear surface grinding, improving processing quality and reducing maintenance costs.

CN223748698UActive Publication Date: 2026-01-02CHONGQING LONGHUAN MASCH CO LTD
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Patent Information

Application Number
CN202520498455.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2026-01-02
Estimated Expiration
2035-03-20

AI Technical Summary

Technical Problem

Existing gear processing machines are unable to effectively grind the grooves and complex geometries on the gear surface, resulting in substandard surface quality inside the grooves, which may lead to wear, increased noise, or even gear failure.

Method used

The system employs a hydraulic cylinder-driven lifting block and a servo motor-driven bevel gear transmission system, combined with metal brushes on the grinding disc, to achieve precise grinding of the gear surface, especially for grooves and complex geometries.

Benefits of technology

It improves grinding efficiency and quality, ensures uniformity of gear surfaces and processing quality of complex surfaces, avoids wear and noise problems, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gear machining, in particular to a special primary driving gear machining machine which comprises a bottom plate and a clamping seat, a fixing frame is arranged on the bottom plate, a hydraulic cylinder is arranged on the top of the fixing frame, the telescopic end of the hydraulic cylinder is connected with a lifting block, one end of the lifting block is provided with a grinding mechanism, and the other end of the lifting block is provided with a clamping mechanism. And a grinding disc is mounted on the grinding mechanism. The lifting block and the grinding mechanism can be driven by the hydraulic cylinder to ascend and descend, the position of the grinding disc can be rapidly adjusted, machining requirements of gears of different sizes are met, the grinding efficiency is remarkably improved, the grinding mechanism adopts the servo motor to drive a bevel gear to conduct transmission and drive the grinding disc to rotate, the surface of the gear can be evenly ground, and the grinding efficiency is improved. And meanwhile, the machining quality of complex surfaces (such as grooves) is ensured, and the problems of abrasion, noise increase, even gear failure and the like in the using process are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gear processing technical field especially relates to a primary driving gear processing special machine. BACKGROUND

[0002] Gear is the mechanical element that gear rim has tooth wheel continuous meshing transmission motion and power, gear is divided into tooth, tooth groove, end face, law surface, tooth top circle, tooth root circle, base circle, division circle etc.

[0003] The existing gear processing special machine such as the primary driving gear processing special machine of CN217166820U discloses a kind of, it uses fourth motor drive polishing roller to the surface and side of driving gear are polished, it is more flexible when using, degree of automation is high, but the surface of many gears not only requires flat smooth, still design has various grooves, recess or other complex geometric shapes.The internal surface quality of groove in the traditional polishing roller cannot be effectively polished due to the limitation of shape and size, so that the surface quality in the groove cannot reach the same standard with the surface of gear, and the burr or uneven surface remaining in the groove can cause wear, noise increase or even gear failure during use. UTILITY MODEL CONTENT

[0004] The utility model discloses a primary driving gear processing special machine, which can effectively polish the internal surface of various grooves, recesses or other complex geometric shapes on the surface of gear, so that the surface quality in the groove can reach the same standard with the surface of gear, and the burr or uneven surface remaining in the groove can be effectively removed, thereby preventing wear, noise increase or even gear failure during use.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A primary driving gear processing special machine, comprising a base plate and a clamping seat, a fixed frame is provided on the base plate, a hydraulic cylinder is provided on the top of the fixed frame, a lifting block is connected to the extension end of the hydraulic cylinder, a polishing mechanism is provided on one end of the lifting block, and a polishing disc is installed on the polishing mechanism.

[0007] Preferably, a sliding opening is formed in the fixed frame, the lifting block is in the shape of an I-beam, and the lifting block is slidingly arranged in the sliding opening.

[0008] Preferably, the polishing mechanism comprises a servo motor, a fixed sleeve, a transmission shaft, a bevel gear one, a bevel gear two and a threaded end, the servo motor is installed on the lifting block, the fixed sleeve is fixedly arranged between the lifting blocks, the transmission shaft is rotatably arranged in the fixed sleeve, the bevel gear one is fixedly arranged on the transmission shaft, the bevel gear two is rotatably arranged on the inner wall of the fixed sleeve, and the threaded end is arranged on the rotating shaft of the bevel gear two.

[0009] Preferably, the output end of the servo motor is fixedly connected with the outer end of the transmission shaft, and the polishing disc is connected with the rotating shaft of the bevel gear two through the threaded end.

[0010] Preferably, the middle part of the polishing disc is provided with a through threaded hole, and the surface of the polishing disc is provided with annularly distributed metal brush hairs.

[0011] Preferably, the end, away from the servo motor, of the fixed sleeve is provided with a rotating block, and the rotating block is fixedly connected to the end, away from the servo motor, of the transmission shaft.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. When the utility model is used, the lifting block and the polishing mechanism can be driven to move up and down by the hydraulic cylinder, the position of the polishing disc can be quickly adjusted, the machining requirements of gears of different sizes can be met, the polishing efficiency is significantly improved, the polishing mechanism adopts the servo motor to drive the bevel gear transmission, drives the polishing disc to rotate, can uniformly polish the surface of the gear, ensures the machining quality of the complex surface (such as a groove), and avoids problems such as wear, noise increase and even gear failure during use.

[0014] 2. When the utility model is used, the middle part of the polishing disc is provided with a through threaded hole, and the surface is provided with annularly distributed metal brush hairs, so that the complex geometry of the gear surface can be effectively processed, and the threaded end is provided with a anti-loosening nut, so that the polishing disc is convenient to install and replace, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a three-dimensional structure schematic view of the primary driving gear machining special machine proposed in the utility model;

[0016] Fig. 2 It is a polishing mechanism three-dimensional structure schematic view of the primary driving gear machining special machine proposed in the utility model;

[0017] Fig. 3 It is a polishing disc three-dimensional structure schematic view of the primary driving gear machining special machine proposed in the utility model.

[0018] In the figure: 1, the base plate; 2, the clamping seat; 3, the fixed frame; 4, the hydraulic cylinder; 5, the lifting block; 6, the polishing mechanism; 7, the polishing disc; 8, the sliding port; 9, the servo motor; 10, the fixed sleeve; 11, the transmission shaft; 12, bevel gear one; 13, bevel gear two; 14, threaded end; 15, threaded hole; 16, anti-loosening nut; 17, rotating block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Referring to Figs. 1-3 A primary driving gear machining special machine, comprising a base plate 1 and a clamping seat 2, wherein the clamping seat 2 is prior art in the technical field to which the utility model belongs, and the gear is clamped to facilitate the control of approaching or moving away from the gear, so no further description is given.

[0021] The fixed frame 3 is provided on the base plate 1, the top of the fixed frame 3 is provided with the hydraulic cylinder 4, the telescopic end of the hydraulic cylinder 4 is connected with the lifting block 5, one end of the lifting block 5 is provided with the polishing mechanism 6; the polishing mechanism 6 comprises a servo motor 9, a fixed sleeve 10, a transmission shaft 11, bevel gear one 12, bevel gear two 13 and a threaded end 14, the servo motor 9 is installed on the lifting block 5, the fixed sleeve 10 is fixedly arranged between the lifting block 5, the transmission shaft 11 is rotatably arranged in the fixed sleeve 10, the bevel gear one 12 is fixedly arranged on the transmission shaft 11, the bevel gear two 13 is rotatably arranged on the inner wall of the fixed sleeve 10, the threaded end 14 is arranged on the rotating shaft of the bevel gear two 13, and the polishing disc 7 is installed on the polishing mechanism 6.

[0022] The hydraulic cylinder 4 realizes the synchronous operation of multiple hydraulic cylinders through a synchronous control system to ensure the consistency and stability of the movement of the lifting block 5 in the vertical direction.

[0023] It should be noted that the hydraulic cylinder 4 and the servo motor 9 are prior art, and the specific type and size need to be selected and determined according to the actual size of the device, and the specific selection calculation method adopts the existing technology in the art, so no further description is given, and both can be powered by external equipment and controlled to be turned on and off.

[0024] Further, the fixed frame 3 is provided with a sliding port 8, and the lifting block 5 is arranged in an I-shaped manner and is slidably arranged in the sliding port 8.

[0025] The sliding cooperation of the sliding opening 8 and the lifting block 5 ensures the accurate positioning of the polishing mechanism 6 in the vertical direction, avoids deviation or error in the polishing process, and improves the machining precision.

[0026] Further, the output end of the servo motor 9 is fixedly connected with the outer end of the transmission shaft 11, the polishing disc 7 is connected with the rotating shaft of the bevel gear two 13 through the threaded end 14, and the threaded end 14 is provided with an anti-loose nut 16.

[0027] The polishing disc 7 is connected with the rotating shaft of the bevel gear two 13 through the threaded end 14 and is equipped with an anti-loose nut 16, which is not only convenient to install, but also convenient to disassemble and replace, thereby reducing the maintenance cost and time.

[0028] Further, a through threaded hole 15 is formed in the middle of the polishing disc 7, and the surface of the polishing disc 7 is provided with annular metal bristles.

[0029] The annular metal bristles arranged on the surface of the polishing disc 7 can effectively process the grooves or complex geometric shapes on the surface of the gear, ensuring the polishing quality inside the grooves.

[0030] Further, the end of the fixed sleeve 10 away from the servo motor 9 is provided with a rotating block 17, and the rotating block 17 is fixedly connected to the end of the transmission shaft 11 away from the servo motor 9.

[0031] The design of the fixed sleeve 10 and the transmission shaft 11 enhances the overall rigidity of the polishing mechanism, reduces vibration and shaking, ensures the stability of the polishing process, and further improves the machining quality.

[0032] Working principle:

[0033] First, the gear to be machined is fixed on the clamping seat 2, so that it is close to or away from the polishing mechanism 6, the hydraulic cylinder 4 realizes the synchronous operation of multiple hydraulic cylinders through the synchronous control system, drives the lifting block 5 to move vertically in the sliding opening 8 of the fixed frame 3,

[0034] After reaching the appropriate position, the servo motor 9 drives the transmission shaft 11 to rotate through the output end, the transmission shaft 11 drives the bevel gear one 12 fixedly arranged thereon to rotate, the bevel gear one 12 meshes with the bevel gear two 13, and the power is transmitted to the rotating shaft of the bevel gear two 13, the threaded end 14 is arranged on the rotating shaft of the bevel gear two 13, the polishing disc 7 is connected with the rotating shaft of the bevel gear two 13 through the threaded end 14, the polishing disc 7 rotates under the drive of the bevel gear two 13, and the polishing of the surface of the gear is realized.

[0035] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A special machine for processing primary drive gears, comprising a base plate (1) and a clamping seat (2), characterized in that, A fixing frame (3) is provided on the base plate (1). A hydraulic cylinder (4) is provided on the top of the fixing frame (3). A lifting block (5) is connected to the telescopic end of the hydraulic cylinder (4). A grinding mechanism (6) is provided at one end of the lifting block (5). A grinding disc (7) is installed on the grinding mechanism (6).

2. The primary drive gear processing machine according to claim 1, characterized in that, The fixed frame (3) has a sliding opening (8), and the lifting block (5) is arranged in an I-shape. The lifting block (5) is slidably arranged in the sliding opening (8).

3. The primary drive gear processing machine according to claim 1, characterized in that, The grinding mechanism (6) includes a servo motor (9), a fixed sleeve (10), a transmission shaft (11), a first bevel gear (12), a second bevel gear (13), and a threaded end (14). The servo motor (9) is mounted on the lifting block (5). The fixed sleeve (10) is fixedly disposed between the lifting blocks (5). The transmission shaft (11) is rotatably disposed in the fixed sleeve (10). The first bevel gear (12) is fixedly disposed on the transmission shaft (11). The second bevel gear (13) is rotatably disposed on the inner wall of the fixed sleeve (10). The threaded end (14) is disposed on the rotating shaft of the second bevel gear (13).

4. A special machine for processing primary drive gears according to claim 3, characterized in that, The output end of the servo motor (9) is fixedly connected to the outer end of the transmission shaft (11), and the grinding disc (7) is connected to the rotating shaft of the bevel gear (13) through the threaded end (14).

5. A special machine for processing primary drive gears according to claim 3, characterized in that, The grinding disc (7) has a through threaded hole (15) in the middle, and the surface of the grinding disc (7) is provided with metal bristles distributed in a ring. The threaded end (14) is provided with an anti-loosening nut (16).

6. A special machine for processing primary drive gears according to claim 3, characterized in that, A rotating block (17) is provided at the end of the fixed sleeve (10) away from the servo motor (9), and the rotating block (17) is fixedly connected to the end of the transmission shaft (11) away from the servo motor (9).

Citation Information

Patent Citations

  • Special machine for machining primary driving gear

    CN217166820U