Gear inner hole grinding device

Abstract

The utility model discloses a gear inner hole polishing device which comprises a headstock, a driving seat and a polishing belt set, the driving seat is fixedly installed at the bottom end of the headstock, a first driving motor and a second driving motor are arranged on the surface of the driving seat, a main fluted disc is rotatably installed on the bottom face of the driving seat, output teeth are arranged at the output end of the first driving motor, and the polishing belt set is arranged at the output end of the second driving motor. A transmission fluted disc is rotationally installed on the surface of the driving base, the output end of the second driving motor is in transmission linkage with the surface of the transmission fluted disc, and the grinding belt set is fixedly installed on the surface of the main fluted disc. According to the polishing device, the first driving motor and the second driving motor are arranged to be of an independently-driven NEO motor structure, dual control over the polishing belt set is achieved, in other words, the polishing belts are driven by the first driving motor to rotate, and meanwhile the whole assembly is driven by the second driving motor to rotate in the axial direction; therefore, the inner hole of the gear can be uniformly polished in the whole circumference, and the uniformity and the precision of the polishing effect are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear machining technical field, concretely is a gear inner hole polishing device. BACKGROUND

[0002] In the gear manufacturing process, the machining precision of the gear inner hole directly affects the assembly quality and service life of the gear. At present, the traditional gear inner hole polishing process mainly relies on manual operation or uses fixed polishing tools for machining. These polishing tools are usually driven by a single motor and polished by fixed angle and direction. However, in actual operation, due to the shape and size difference of the gear inner hole and the instability of manual control by the operator, uneven polishing often occurs, affecting the assembly precision of the gear.

[0003] In addition, a large amount of dust is generated during the machining process of the traditional polishing equipment, which easily enters the internal part of the equipment, causing wear and failure and further shortening the service life of the equipment. The traditional gear inner hole polishing equipment usually adopts single motor drive, and the polishing direction and speed cannot be flexibly adjusted according to the different inner hole sizes and shapes of the gear. Since the relative motion direction of the polishing tool and the gear hole is fixed, the polishing effect is not uniform enough, which may cause the inner surface roughness of the gear hole to be out of standard, thereby affecting the assembly precision of the gear and even causing noise and wear problems during gear engagement. In view of the above problems, the existing problems are researched and improved, and a gear inner hole polishing device is provided to solve the existing problems, aiming to solve the problems and improve the practical value. SUMMARY

[0004] The utility model aims at solving the technical problems existing in prior art or related art.

[0005] The utility model relates to a gear inner hole polishing device, which comprises a head seat, a driving seat and a polishing belt group. The driving seat is fixedly installed at the bottom end of the head seat, and the surface of the driving seat is provided with a first driving motor and a second driving motor. A main gear disc is rotatably installed on the bottom surface of the driving seat, an output gear is arranged on the output end of the first driving motor, a first transmission gear disc is rotatably installed on the surface of the driving seat, and the output end of the second driving motor is transmissionally connected with the surface of the first transmission gear disc. The polishing belt group is fixedly installed on the surface of the main gear disc, and a transmission belt is sleeved with the surface of the main gear disc and is transmissionally connected. The polishing belt group comprises a fixed strip seat, a movable guide seat, a driving roller and a transmission roller rotatably installed on the inner side of the fixed strip seat and the movable guide seat, the surface of the driving roller is provided with a second transmission gear disc transmissionally engaged with the output gear, two groups of abrasive belt pieces are sleeved on the surface of the driving roller and the transmission roller, and the two groups of abrasive belt pieces are respectively located on the two sides of the second transmission gear disc.

[0006] The utility model discloses a double-motor independent drive structure of first drive motor and second drive motor is provided, efficient drive of gear hole polishing is realized, and the uniformity and efficiency of polishing are ensured.

[0007] The utility model discloses a bevel gear meshing design of output tooth and second transmission tooth disc, and output tooth and second transmission tooth disc mutually perpendicular direction meshing, realize horizontal and vertical direction power transmission, ensure the all -round processing of gear hole in polishing process, improve the surface finish of gear hole, thereby promote assembly accuracy.

[0008] The utility model discloses a flexible sleeve is arranged on the surface of driving roller and transmission roller, and the outer periphery of the flexible sleeve is in spherical convex shape, which can fully contact with the gear hole during polishing to ensure uniform polishing and reduce vibration during polishing, thereby improving polishing effect.

[0009] The utility model discloses a detachable connection of movable guide seat and main tooth disc, which enables the polishing belt group assembly to be quickly replaced, improving the maintenance convenience of the device. Meanwhile, the detachable design of the driving roller and the transmission roller facilitates quick replacement of the polishing assembly after wear, prolonging the service life of the equipment.

[0010] The utility model discloses a control box is arranged on the top surface of the machine head seat, and a programmable logic controller (PLC) and a speed regulator are built-in, realizing accurate control of the first drive motor and the second drive motor. The control box can automatically adjust the polishing speed according to the size and material of different gear holes, ensuring polishing quality.

[0011] The utility model discloses a dust suction assembly is arranged on the inner side of the machine head seat, and a replaceable dust suction interface is arranged on the inner side of the polishing belt group, realizing real-time dust suction during polishing, keeping the working environment clean, and prolonging the service life of the equipment.

[0012] Through the above structure design, the utility model effectively improves the efficiency and precision of gear hole polishing, solves the problems of uneven polishing and dust accumulation in traditional polishing equipment, and ensures long-term stable operation of the equipment.

[0013] The utility model discloses the obtained beneficial effect is:

[0014] 1. The utility model discloses a NEO motor structure of first drive motor and second drive motor is provided, realizing the double control of polishing belt group, i. e. the rotation movement of polishing belt is driven through first drive motor, and the axial rotation of the whole assembly is driven through second drive motor, thereby realizing the full -week even polishing of gear hole, improving the uniformity and precision of polishing effect.

[0015] 2. The utility model discloses a dust suction assembly and replaceable dust suction interface are set up, can suck the dust produced in the polishing process in time, effectively reduce the dust accumulation, ensure the cleanness of work area, avoid the dust from entering the inside of device and lead to equipment failure, improve the security of polishing operation and the sanitary condition of operating environment simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of an embodiment of the utility model;

[0017] Figure 2 It is the polishing belt group drive structure schematic diagram of an embodiment of the utility model;

[0018] Figure 3 It is the drive seat surface structure schematic diagram of an embodiment of the utility model;

[0019] Figure 4 It is the polishing belt group exploded structure schematic diagram of an embodiment of the utility model.

[0020] Reference signs:

[0021] 100, head seat;200, drive seat;210, first drive motor;220, second drive motor;230, main tooth disc;211, output tooth;221, first transmission tooth disc;222, transmission belt;300, polishing belt group;310, fixed strip seat;320, movable guide base;330, abrasive belt piece;311, driving roller;312, transmission roller;313, second transmission tooth disc. DETAILED DESCRIPTION

[0022] To make the purpose, technical scheme and advantage of the utility model more clear and obvious, below, combining with specific implementation mode and referring to the drawings, the utility model is explained in further detail. It is to be explained that, in the case of not conflicting, the embodiment of the utility model and the feature in the embodiment can be combined mutually.

[0023] It is understood that these descriptions are only exemplary, and not to limit the scope of the utility model.

[0024] Below, combining with the drawings Figures 1-4 Some embodiments of the utility model are described, and provide a gear inner hole polishing device.

[0025] The utility model relates to a kind of gear inner hole polishing device, comprising: headstock 100, drive seat 200 and polishing belt group 300.The drive seat 200 is fixedly installed at the bottom end of headstock 100, and the surface of drive seat 200 is equipped with first drive motor 210 and second drive motor 220.The bottom surface of drive seat 200 is rotatably installed with main tooth disc 230, and the output end of first drive motor 210 is equipped with output gear 211, and the surface of drive seat 200 is rotatably installed with first transmission gear disc 221, and the output end of second drive motor 220 is transmissionally linked with the surface of first transmission gear disc 221.The polishing belt group 300 is fixedly installed on the surface of main tooth disc 230, and transmission belt 222 is sleeved with belt and transmissionally connected with the surface of main tooth disc 230.The polishing belt group 300 includes fixed strip seat 310, movable guide base 320 and driving roller 311 and transmission roller 312 rotatably installed in the inner side of fixed strip seat 310 and movable guide base 320, the surface of driving roller 311 is equipped with second transmission gear disc 313 with the transmission engagement of output gear 211, and the surface of driving roller 311 and transmission roller 312 is sleeved with two groups of abrasive belt pieces 330, and two groups of abrasive belt pieces 330 are located at the two sides of second transmission gear disc 313 respectively.

[0026] In specific use process, first, the headstock 100 is fixed on polishing workbench, then the driving rotation speed of first drive motor 210 and second drive motor 220 is adjusted, the independent control of driving roller 311 and main tooth disc 230 is realized.The driving roller 311 is driven to rotate by first drive motor 210, and abrasive belt piece 330 is driven to polish the surface of gear inner hole, and the polishing belt group 300 is rotated by main tooth disc 230, the full circle polishing of gear inner hole is realized, and the uniformity and efficiency of polishing are ensured.The power can be effectively transmitted by the belt transmission structure of first transmission gear disc 221 and transmission belt 222, and stability in polishing process is ensured.The precise positioning and torque transmission in polishing process are further ensured by the bevel gear engagement transmission of second transmission gear disc 313 and output gear 211.

[0027] In the embodiment, in order to improve the flexibility and adaptability of polishing, the surface of driving roller 311 and transmission roller 312 is equipped with flexible sleeve, and the outer periphery of flexible sleeve is spherical convex.The flexible sleeve is of silica gel material, can be fully contacted with the surface of gear inner hole in polishing process, so as to ensure the uniformity of polishing, and effectively absorb vibration in polishing process, improve the smoothness of polishing surface.

[0028] In addition, in order to enhance the intelligent level of the device, the top surface of the head seat 100 is provided with a control box, and the control box is provided with a programmable logic controller PLC and a speed regulator. Through the automatic adjustment function of the PLC, different polishing modes can be selected according to the size and material of the gear inner hole, and automatic polishing operation is realized. The control box is electrically connected with the first driving motor 210 and the second driving motor 220, realizes real-time adjustment of the polishing speed, and meets the polishing requirements of gears of different specifications.

[0029] In terms of maintenance, in order to facilitate replacement of the polishing assembly, the movable guide seat 320 and the main tooth disc 230 are connected in a detachable manner. When the driving roller 311 and the transmission roller 312 are worn, they can be quickly disassembled and replaced, ensuring long-term stable operation of the device. At the same time, a dust suction assembly is arranged on the inner side of the head seat 100, and a replaceable dust suction interface is arranged inside the polishing belt group 300, which is connected with an external dust suction device through a flexible connecting pipe, so as to ensure that dust is sucked in real time during polishing, and the working area is kept clean.

[0030] Through the above embodiment, the gear inner hole polishing device can efficiently polish the gear inner hole, has the functions of flexible adjustment and automatic control, and solves the problems of low efficiency, unevenness and poor cleanliness of the traditional polishing device.

[0031] The working principle and use process of the utility model are as follows:

[0032] The gear inner hole polishing device drives the system through the first driving motor 210 and the second driving motor 220, and realizes automatic polishing of the gear inner hole. Specifically, the first driving motor 210 is a first driving motor, which is mainly used for driving the polishing belt sand belt piece 330 on the driving roller 311 and the transmission roller 312 to rotate, so as to polish the surface of the gear inner hole. The second driving motor 220 is a second driving motor, which is mainly used for driving the main tooth disc 230 to rotate, so as to drive the whole polishing belt group 300 to rotate, and realize full-circle polishing of the gear inner hole. The design of the double-motor driving ensures the efficiency and uniformity of the polishing process.

[0033] In the polishing process, the bevel gear meshing transmission mechanism between the output tooth 211 and the second transmission tooth disc 313 transmits the driving torque of the first driving motor 210 to the driving roller 311, so as to ensure the stable rotation of the polishing belt sand belt piece 330 on the surface of the gear inner hole. At the same time, through the belt transmission of the transmission belt 222 and the main tooth disc 230, the cooperative driving between multiple components is realized, so that the polishing device can work efficiently and stably.

[0034] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "a specific embodiment", and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0035] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A gear bore polishing apparatus, characterized by, Include: The head seat (100), drive seat (200) and polishing belt group (300), the drive seat (200) is fixedly installed on the bottom end of the head seat (100), and the surface of the drive seat (200) is provided with the first drive motor (210) and the second drive motor (220), the bottom surface of the drive seat (200) is rotatably installed with the main gear disc (230), the output end of the first drive motor (210) is provided with the output gear (211), the surface of the drive seat (200) is rotatably installed with the first transmission gear disc (221), and the output end of the second drive motor (220) is transmissionally linked with the surface of the first transmission gear disc (221), the polishing belt group (300) is fixedly installed on the surface of the main gear disc (230), the transmission belt (222) is sleeved with the belt and is transmissionally connected with the surface of the main gear disc (230), the polishing belt group (300) includes the fixed strip seat (310), the movable guide seat (320) and the driving roller (311) and the transmission roller (312) rotatably installed on the inner side of the fixed strip seat (310) and the movable guide seat (320), the surface of the driving roller (311) is provided with the second transmission gear disc (313) transmissionally engaged with the output gear (211), and the surfaces of the driving roller (311) and the transmission roller (312) are sleeved with two groups of abrasive belt pieces (330), and the two groups of abrasive belt pieces (330) are respectively located on the two sides of the second transmission gear disc (313).

2. A gear bore polishing apparatus as claimed in claim 1, wherein, The first drive motor (210) and the second drive motor (220) are both NEO motor structures, and are respectively used for driving the driving roller (311) to rotate and the main gear disc (230) to rotate.

3. A gear bore polishing apparatus as defined in claim 1, wherein, The output gear (211) and the second transmission gear disc (313) are both bevel gear structures, and the output gear (211) and the second transmission gear disc (313) are engaged in perpendicular directions, and the driving roller (311) and the transmission roller (312) are arranged in horizontal directions.

4. The gear bore polishing apparatus of claim 1, wherein, The surfaces of the driving roller (311) and the transmission roller (312) are provided with flexible sleeves, the outer circumferences of the flexible sleeves are spherical convex, the flexible sleeves are silicone material members and are in abutting contact with the inner sides of the abrasive belt pieces (330).

5. The gear bore polishing apparatus of claim 1, wherein, The top end of the movable guide seat (320) is detachably connected with the bottom surface of the main gear disc (230), and one end of the driving roller (311) and the transmission roller (312) is detachably connected with the surface of the movable guide seat (320).

6. A gear bore polishing apparatus as set forth in claim 1, wherein The top surface of the head seat (100) is provided with a control box for controlling the operation of the first drive motor (210) and the second drive motor (220), the control box is provided with a programmable logic controller (PLC) and a speed regulator, which is used for adjusting the polishing speed according to different gear inner hole sizes and materials.

7. The gear bore polishing apparatus of claim 1, wherein, The inner side of the head seat (100) is provided with a dust collection assembly, and the inner side of the polishing belt group (300) is provided with a replaceable dust collection interface, the dust collection interface is connected with the external dust collection assembly through a flexible connecting pipe, which is used for real-time suction of dust generated during polishing, to keep the working area clean.

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