Polishing device for gear machining

The lifting block and grinding rod system driven by hydraulic rods and electric push rods solves the problem of uneven grinding caused by uneven gear surfaces, achieving stable fit and adaptive adjustment, and improving the accuracy and efficiency of gear processing.

CN224027211UActive Publication Date: 2026-03-24ANHUI ZHONGBO MASCH MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing gear grinding devices cannot adjust the contact pressure when facing uneven gear surfaces, resulting in uneven grinding and affecting processing quality.

Method used

A hydraulic rod drives a lifting block to bring the grinding rod into contact with the end face of the gear. The position of the grinding rod is adjusted by the hydraulic rod and electric push rod, and the gear rotates or swings to achieve precise grinding.

Benefits of technology

This ensures that the grinding rod is firmly attached to the gear surface, preventing wobbling and improving the smoothness and adaptability of the grinding process, making it suitable for processing gears of different sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a polishing device for gear machining, which relates to the technical field of gear polishing and comprises an operating frame, two symmetrically arranged clamping plates are arranged in the operating frame, and the two clamping plates are used for clamping two ends of a gear and are arranged from top to bottom. The center of the top face of the clamping plate at the upper position is rotationally connected with a sliding block, the clamping plate at the upper position ascends and descends in the height direction of the operation frame, and the inner bottom face of the operation frame is slidably connected with a motor used for driving the clamping plate at the lower position to rotate. The vertical hydraulic rods extend to enable the corresponding lifting blocks to drive the grinding rods on the surfaces of the lifting blocks to be close to and attached to the end faces of the gears, the grinding rods are matched with rotation or swinging of the gears to achieve grinding of the surfaces of the gears, and the arranged lifting blocks do not shake under the condition that the vertical hydraulic rods do not stretch out and draw back. Correspondingly, the polishing rod installed on the lifting block does not shake or shake, and therefore the polishing effect can be guaranteed conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gear polishing technical field especially relates to a polishing device for gear machining. BACKGROUND

[0002] Gear polishing is an important link in gear manufacturing process, is used for improving the surface quality and precision of gear, and thus a kind of polishing device for gear machining, public number CN222429471U, when using, first, the gear to be processed is placed into the box through the switch door, the output end of pneumatic cylinder drives the pressing plate to press the gear on the side wall of rotating disc, then, motor drives rotating disc rotation, makes gear and pressing plate synchronous rotation. Due to the setting of polishing assembly, the outer wall, surface and bottom of gear can be effectively polished during rotation. The elastic expansion rod of polishing assembly can ensure that the horizontal plate is always closely attached to the outer wall of gear, and the vertical plate in the sliding groove is supported by the elastic force of return spring and closely attached to the surface of gear. In this way, when the gear rotates, the surface thereof will rub against the abrasive surface of horizontal plate and vertical plate, thereby achieving the effect of polishing.

[0003] But the vertical plate guarantees the abrasive surface of vertical plate surface to attach to the surface of gear through the thrust of spring, although the effect of polishing is achieved, but the contact pressure between abrasive surface and gear cannot be increased, that is, when the surface of gear is uneven, when the pressure of spring on vertical plate is small, the vertical plate will reciprocate in the box due to the uneven surface of gear when rotating, thus the flatness of polishing will be affected. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems in the prior art and provides a polishing device for gear machining.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a polishing device for gear machining, including operation frame, two symmetrical clamping plates are arranged in the operation frame, the two clamping plates are used for clamping the two ends of gear and the two clamping plates are arranged from top to bottom, the clamping plate top surface center of upper position is rotatably connected with sliding block and the clamping plate of upper position is lifted along the height direction of operation frame, the bottom surface of operation frame is slidably connected with motor for driving the rotation of lower position clamping plate, the sliding block and motor same side are fixedly connected with connecting frame, the side surface of connecting frame is fixedly installed with auxiliary track, the auxiliary track is inserted with vertical hydraulic rod, the telescopic end of vertical hydraulic rod is fixedly installed with lifting block between the two clamping plates, and the lifting block one side is rotatably connected with polishing rod.

[0006] Preferably, the inner side of operation frame is inserted with lifting track and the operation frame is rotatably connected with screw rod penetrating lifting track.

[0007] Preferably, the lifting track is horizontally arranged and the slider is inserted into the lifting track. The side of the lifting track is hollowed out and the side of the slider is threaded with a bolt that is inserted into the hollowed-out part of the lifting track.

[0008] Preferably, a plurality of first electric push rods and second electric push rods arranged in a circular array are fixedly installed through the end face of the clamping plate. The plurality of first electric push rods and second electric push rods on the same clamping plate are intersected. The telescopic ends of the first electric push rods and second electric push rods are located between the two clamping plates and are fixedly installed with anti-slip pads.

[0009] Preferably, a horizontal hydraulic rod is fixedly installed on the connecting frame, and the telescopic end of the horizontal hydraulic rod passes through the connecting frame and is fixedly connected to the surface of the vertical hydraulic rod cylinder.

[0010] Preferably, a fixed rail is fixedly installed on the bottom surface of the operating frame, which is parallel to the lifting rail, and the motor housing extends outward and is inserted into the inner wall of the fixed rail.

[0011] Preferably, the side of the fixed track is also hollowed out, and the motor housing is connected to the hollowed-out part of the fixed track surface by bolts.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0013] 1. In this utility model, the vertical hydraulic rod is extended to enable the corresponding lifting block to drive the grinding rod on its surface to approach and fit against the end face of the gear. The gear rotates or swings to achieve grinding of the gear surface. The lifting block will not shake when the vertical hydraulic rod is not extended or retracted, and the grinding rod installed on the lifting block will not shake or vibrate, thus ensuring the grinding effect.

[0014] 2. In this utility model, the horizontal hydraulic rod is extended to drive the vertical hydraulic rod to slide in the auxiliary track, which can adjust the distance between the grinding rod and the clamping plate, making it easier to grind the surface of larger gears. Attached Figure Description

[0015] Figure 1 This utility model provides a three-dimensional structural diagram of a grinding device for gear processing;

[0016] Figure 2 This utility model proposes a grinding device for gear processing. Figure 1 A schematic diagram of the rear view structure;

[0017] Figure 3 This utility model provides a structural schematic diagram of a grinding device clamping plate for gear processing;

[0018] Figure 4The utility model provides a grinding device for gear machining Figure 3 The bottom structure schematic diagram of the utility model.

[0019] Legend: 1, operation frame; 2, screw rod; 3, lifting track; 4, fixed track; 5, clamping plate; 6, first electric push rod; 7, second electric push rod; 8, antiskid pad; 9, auxiliary track; 10, connecting frame; 11, horizontal hydraulic rod; 12, vertical hydraulic rod; 13, grinding bar; 14, lifting block; 15, sliding block; 16, motor; 17, bolt. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further explained below with the help of drawings and examples.It needs to be explained that the example and the features in the example of the application can be combined mutually without conflict.

[0021] In the following description, a lot of specific details are set forth in order to give a full and complete understanding of the present application, but the present application can also be implemented in other ways different from the description, therefore, the present application is not limited to the specific examples disclosed in the following disclosure.

[0022] As Figures 1-4As shown, a gear machining polishing device, including an operating frame 1, two symmetrical clamping plates 5 are arranged in the operating frame 1, the two clamping plates 5 are used for clamping the two ends of the gear and the two clamping plates 5 are arranged from top to bottom, the top clamping plate 5 is rotatably connected with a sliding block 15 at the center of the top surface, and the top clamping plate 5 is lifted along the height direction of the operating frame 1, the gear is placed on the upper surface of the lower clamping plate 5 in a flat state, and the upper surface of the gear is clamped by the lower clamping plate 5 to fix the position of the gear; the bottom surface of the operating frame 1 is slidably connected with a motor 16 for driving the lower clamping plate 5 to rotate, in use, the upper and lower end surfaces of the gear are clamped by the two clamping plates 5 respectively, and the lower clamping plate 5 is driven to rotate by the motor 16, and the gear drives the upper clamping plate 5 to rotate or swing relative to the sliding block 15 under the action of friction; the same side of the sliding block 15 and the motor 16 is fixedly connected with a connecting frame 10, the side surface of the connecting frame 10 is fixedly installed with an auxiliary track 9, a vertical hydraulic rod 12 is inserted into the auxiliary track 9, the telescopic end of the vertical hydraulic rod 12 points to between the two clamping plates 5 and is fixedly installed with a lifting block 14, the lifting block 14 is rotatably connected with a polishing rod 13 on one side, and a horizontal hydraulic rod 11 is fixedly installed on the connecting frame 10, the telescopic end of the horizontal hydraulic rod 11 penetrates through the connecting frame 10 and is fixedly connected with the surface of the cylinder body of the vertical hydraulic rod 12, in actual use, another motor 16 with smaller size is installed on the lifting block 14 to drive the polishing rod 13 to rotate, when the two clamping plates 5 clamp the two ends of the gear, the corresponding lifting block 14 drives the polishing rod 13 on the surface thereof to approach and adhere to the end surface of the gear by the elongation of the vertical hydraulic rod 12, and the polishing of the gear surface is realized by cooperating with the rotation or swing of the gear, and when the diameter of the gear is larger, the distance between the polishing rod 13 and the clamping plate 5 can be adjusted by the elongation of the horizontal hydraulic rod 11 driving the vertical hydraulic rod 12 to slide in the auxiliary track 9, so that the gear surface of larger size can be polished.

[0023] In order to drive the clamping plate 5 at the upper position to lift: the lifting track 3 is inserted into the inner side surface of the operating frame 1, and the screw rod 2 penetrating through the lifting track 3 is rotatably connected in the operating frame 1, the lifting track 3 is horizontally arranged and the sliding block 15 is inserted into the lifting track 3, specifically, a third motor 16 can be installed on the operating frame 1 to drive the screw rod 2 to rotate, so that the lifting track 3 in the operating frame 1 can be lifted, and the sliding block 15 installed in the lifting track 3 can be lifted synchronously.

[0024] In order to conveniently adjust the levelness of the clamped gear: a plurality of annularly arrayed first electric push rods 6 and second electric push rods 7 are fixedly installed on the end face of the clamping plate 5, the first electric push rods 6 and the second electric push rods 7 on the same clamping plate 5 are cross-distributed, the telescopic ends of the first electric push rods 6 and the second electric push rods 7 are located between the two clamping plates 5 and are fixedly installed with anti-skid pads 8, when the gear end face is uneven, the gear end face does not completely adhere to the surface of the clamping plate 5, and thus the gear is prone to tilt when clamped, thus the first electric push rods 6 on the clamping plate 5 are first telescoped to different degrees, so that the relative positions of the plurality of anti-skid pads 8 on the same clamping plate 5 adapt to the shape of the gear end face, the clamped gear is ensured to be horizontal, and after the gear end face is initially polished, the second electric push rods 7 on the clamping plate 5 are elongated to clamp the gear surface with the anti-skid pads 8 at the telescopic ends, the first electric push rods 6 are retracted, and thus the original second electric push rods 6 on the clamping plate 5 are used for secondary polishing of the area adhered by the anti-skid pads 8.

[0025] In order to adjust the horizontal position of the clamping plate 5: the side surface of the lifting rail 3 is hollowed out and the side surface of the sliding block 15 is threadedly connected with a bolt 17 inserted into the hollowed-out part of the lifting rail 3, the inner bottom surface of the operating frame 1 is fixedly installed with a fixed rail 4 arranged in parallel with the lifting rail 3, the motor 16 housing portion is outwardly extended and inserted into the inner wall of the fixed rail 4, the side surface of the fixed rail 4 is also hollowed out, and the motor 16 housing portion and the hollowed-out part of the surface of the fixed rail 4 are also connected through the bolt 17, in use, the sliding block 15 is connected with the hollowed-out parts at different positions on the lifting rail 3 through the bolt 17 and the motor 16 is connected with the hollowed-out parts at different positions on the fixed rail 4 through the bolt 17, so as to adjust the distance between the clamping plate 5 and the inner side surface of the operating frame 1, and facilitate the placement of larger-diameter gears.

[0026] Working principle: according to the diameter of the processed gear, the horizontal distance between the two clamping plates 5 and the side surface of the operating frame 1 is adjusted, the gear is placed on the upper surface of the lower clamping plate 5, the upper clamping plate 5 is lowered, and the plurality of first electric push rods 6 on the two clamping plates 5 are telescoped to different degrees, so that the relative positions of the plurality of anti-skid pads 8 on the same clamping plate 5 adapt to the shape of the gear end face, the clamped gear is ensured to be horizontal, then the motor 16 drives the lower clamping plate 5 to rotate, under the action of friction, the gear drives the upper clamping plate 5 to rotate or swing relative to the sliding block 15, thereby realizing the rotation or swinging of the clamped gear, and when the two clamping plates 5 clamp the two ends of the gear, the vertical hydraulic rod 12 is elongated to drive the corresponding lifting block 14 to approach and adhere to the gear end face with the polishing rod 13 on the surface, and the gear surface is polished in cooperation with the rotation or swinging of the gear.

[0027] The wiring diagram of the first electric push rod 6, the second electric push rod 7, the horizontal hydraulic rod 11, the vertical hydraulic rod 12 and the motor 16 belongs to the common knowledge in the field, and the working principle is a known technology, and the model is selected according to actual use, so the control mode and wiring arrangement of the first electric push rod 6, the second electric push rod 7, the horizontal hydraulic rod 11, the vertical hydraulic rod 12 and the motor 16 are not explained in detail.

[0028] The above is only a preferred embodiment of the utility model, and is not a limitation on other forms of the utility model. Any skilled person in the art can change or modify the above disclosed technology content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification made on the basis of the technical essence of the utility model to the above embodiments still belongs to the protection scope of the utility model technical scheme.

Claims

1. A grinding device for gear machining, characterized by: The utility model provides an operating frame (1), which is provided with two symmetrical clamping plates (5) inside, the two clamping plates (5) are used for clamping gear two ends, and the two clamping plates (5) are arranged from top to bottom, the top clamping plate (5) is rotatably connected with a sliding block (15) at the center of the top surface, and the top clamping plate (5) is lifted along the height direction of the operating frame (1), a motor (16) for driving the lower clamping plate (5) to rotate is slidably connected to the inner bottom surface of the operating frame (1), the sliding block (15) and the motor (16) are fixedly connected with a connecting frame (10) on the same side, an auxiliary track (9) is fixedly installed on the side of the connecting frame (10), a vertical hydraulic rod (12) is inserted into the auxiliary track (9), the vertical hydraulic rod (12) is fixedly installed with a lifting block (14) at the telescopic end, and a polishing rod (13) is rotatably connected to one side of the lifting block (14).

2. The polishing apparatus for gear machining according to claim 1, characterized by: The inner side of the operating frame (1) is inserted with a lifting track (3), and the operating frame (1) is rotatably connected with a screw rod (2) penetrating through the lifting track (3).

3. The polishing apparatus for gear machining according to claim 2, characterized by: The lifting track (3) is horizontally arranged, the sliding block (15) is inserted into the lifting track (3), the side of the lifting track (3) is hollow, and the side of the sliding block (15) is threadedly connected with a bolt (17) inserted into the hollow part of the lifting track (3).

4. The polishing apparatus for gear machining according to claim 1, characterized by: A plurality of first electric push rods (6) and second electric push rods (7) are fixedly installed on the end surface of the clamping plate (5) in annular array, the first electric push rods (6) and the second electric push rods (7) on the same clamping plate (5) are cross-distributed, the telescopic ends of the first electric push rods (6) and the second electric push rods (7) are located between the two clamping plates (5), and an anti-skid pad (8) is fixedly installed.

5. The polishing apparatus for gear machining according to Claim 1, characterized by: A horizontal hydraulic rod (11) is fixedly installed on the connecting frame (10), the telescopic end of the horizontal hydraulic rod (11) penetrates through the connecting frame (10) and is fixedly connected with the cylinder surface of the vertical hydraulic rod (12).

6. The polishing apparatus for gear machining according to Claim 1, characterized by: A fixed track (4) parallel to the lifting track (3) is fixedly installed on the inner bottom surface of the operating frame (1), and the motor (16) housing portion extends outward and is inserted into the inner wall of the fixed track (4).

7. The polishing apparatus for gear machining according to claim 6, characterized by: The side of the fixed track (4) is also hollow, and the motor (16) housing portion and the hollow part of the surface of the fixed track (4) are also connected through the bolt (17).

Citation Information

Patent Citations

  • Polishing device for gear machining

    CN222429471U