Inner diameter grinding device for bicycle hub production

Abstract

An inner diameter grinding device for bicycle hub production is characterized by comprising a machining table, a grinding frame is arranged on the machining table, a containing table is arranged on the grinding frame, a driving motor is arranged on the containing table, a center shaft is arranged on the driving motor, a rotating plate is arranged on the center shaft, and an adjusting groove is formed in the rotating plate; a polishing rod is arranged in the adjusting groove; four electric push rods are controlled to stretch at the same time to clamp the bicycle hub, a sliding block is controlled to drive a fixing frame to move towards a grinding frame in a sliding groove, at the moment, the bicycle hub extends into two grinding rods, an adjusting screw rod is rotated, the two grinding rods move outwards in an adjusting groove till brush teeth of the grinding rods make contact with the inner wall of the bicycle hub, and then the bicycle hub is ground. The driving motor is controlled to drive the center shaft and the rotating plate to rotate, the inner diameter of the bicycle hub is ground, the distance between the two grinding rods can be adjusted, hub bodies with different inner diameters can be ground conveniently, and operation is easy.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bicycle hub polishing technical field especially relates to a kind of inner diameter polishing device for bicycle hub production. BACKGROUND

[0002] Hub, commonly known as "hub barrel", is the barrel that connects spoke outside axle, usually called axle skin. According to the different arrangement of number, generally there are 3, 5 of the law. Hub has iron hub and aluminum hub two kinds. Bicycle hub needs to polish its inner diameter during production process, however, traditional polishing operation is completed by artificial, and this polishing method is not only low in polishing efficiency, but also time-consuming and laborious;

[0003] The utility model discloses a kind of inner diameter polishing device for bicycle hub production of prior patent number CN213970300U, including alternating current motor, abrasive cloth polishing roller, fixed top plate, electric push rod, fixed plate, lifting rod, support sleeve rod and positioning base, support sleeve rod is equipped in the inside of support sleeve rod, lifting rod is welded on the upper end surface of lifting rod, fixed plate is equipped in the right end surface of fixed plate, electric push rod is equipped in the right end surface middle position of fixed plate, positioning base is welded in the lower side of the right end surface of connecting side plate, alternating current motor is equipped in the upper side of the right end surface of side vertical plate, abrasive cloth polishing roller is installed in the left side of alternating current motor, this design solves the original polishing device without adjustable capacity, and the problem of inconvenient use, the utility model structure is reasonable, with adjustable capacity, it is convenient to polish the inner diameter of bicycle hub, and practicality is strong;

[0004] But existing polishing device is inconvenient to polish the hub of different inner diameter when in use, and it is troublesome to operate, to solve the above problems, propose a kind of inner diameter polishing device for bicycle hub production. UTILITY MODEL CONTENTS

[0005] According to the above existing technical problems, the utility model provides a kind of inner diameter polishing device for bicycle hub production, it is characterized by including processing table, polishing frame, drive motor, placement table, center shaft, rotary plate, adjusting groove, polishing rod, adjusting screw, mounting bracket, sliding slot, sliding block, limiting slot, fixed frame, electric push rod, fixed block, polishing frame is set on the processing table, placement table is set on the polishing frame, drive motor is set on the placement table, center shaft is set on the drive motor, rotary plate is set on the center shaft, adjusting groove is set on the rotary plate, polishing rod is set in the adjusting groove, adjusting screw is set on the polishing rod, mounting bracket is set on the processing table, sliding slot is set on the mounting bracket, sliding block is set in the sliding slot, limiting slot is set in the sliding slot, fixed frame is set in the lower end of sliding block, electric push rod is set on the fixed frame, and fixed block is set on the electric push rod;

[0006] Furthermore, the drive motor is connected to an external controller, and a central shaft is fixedly installed at the output end of the drive motor. The middle part of the rotating plate is connected to the central shaft. There are two adjustment slots on the rotating plate, which are symmetrically arranged about the central shaft. Each adjustment slot contains a grinding rod. One end of the grinding rod has a protrusion, and the other end has grinding brush teeth. There is a threaded opening in the middle of the two grinding rods. The adjustment screw passes through the two grinding rods through the thread.

[0007] Furthermore, the slide groove contains a rotating screw, which is driven by a motor. The slider has a protrusion, and the slider is connected to the rotating screw by a thread. The protrusion of the slider is located in the limiting groove.

[0008] Furthermore, the fixing frame is fixedly installed below the slider. The fixing frame has a square opening. There is an electric push rod on each of the four side walls of the opening of the fixing frame. The electric push rod is connected to an external controller. The other end of the electric push rod is provided with a fixing block. The fixing block is arc-shaped. The four fixing blocks form a circular structure, and the center of the circle and the center axis are on the same horizontal line.

[0009] The beneficial effects of this utility model are:

[0010] This invention involves placing a bicycle hub on a fixed block, controlling four electric push rods to extend simultaneously and clamp the hub, and controlling a slider to move the fixed frame towards the grinding frame within a groove. At this point, the bicycle hub extends into two grinding rods. Rotating the adjusting screw causes the two grinding rods to move outward within the adjusting groove until the brush teeth of the grinding rods contact the inner wall of the bicycle hub. The drive motor then rotates the central shaft and rotating plate to grind the inner diameter of the bicycle hub. The distance between the two grinding rods can be adjusted to facilitate grinding of hubs with different inner diameters. The operation is simple. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of an inner diameter grinding device for bicycle hub production according to the present invention.

[0012] Figure 2 This is a schematic diagram of the internal structure of an inner diameter grinding device for bicycle hub production according to the present invention.

[0013] Figure 3 This is a partial structural schematic diagram of an inner diameter grinding device for bicycle hub production according to the present invention;

[0014] As shown in the figure: 1. Processing table; 2. Grinding rack; 3. Drive motor; 4. Placement table; 5. Central shaft; 6. Rotating plate; 7. Adjustment groove; 8. Grinding rod; 9. Adjustment screw; 10. Mounting bracket; 11. Slide groove; 12. Slider; 13. Limiting groove; 14. Fixing bracket; 15. Electric push rod; 16. Fixing block. DETAILED DESCRIPTION

[0015] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0016] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0017] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances. In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0018] Example 1

[0019] The utility model provides a kind of inner diameter polishing device for bicycle hub production, it is characterized by including processing table 1, polishing frame 2, driving motor 3, placing table 4, center shaft 5, rotating plate 6, adjusting groove 7, polishing rod 8, adjusting screw rod 9, mounting bracket 10, sliding slot 11, sliding block 12, limiting groove 13, fixed frame 14, electric push rod 15, fixed block 16, polishing frame 2 is provided on processing table 1, placing table 4 is provided on polishing frame 2, driving motor 3 is provided on placing table 4, center shaft 5 is provided on driving motor 3, rotating plate 6 is provided on center shaft 5, adjusting groove 7 is provided on rotating plate 6, polishing rod 8 is provided in adjusting groove 7, adjusting screw rod 9 is provided on polishing rod 8, mounting bracket 10 is provided on processing table 1, sliding slot 11 is provided on mounting bracket 10, sliding block 12 is provided in sliding slot 11, limiting groove 13 is provided in sliding slot 11, fixed frame 14 is provided in the lower end of sliding block 12, electric push rod 15 is provided on fixed frame 14, fixed block 16 is provided on electric push rod 15;

[0020] Further, driving motor 3 is connected with external controller, the output of driving motor 3 is fixedly provided with center shaft 5, the middle part of rotating plate 6 is connected with center shaft 5, there are two adjusting grooves 7 on rotating plate 6, the two adjusting grooves 7 are symmetrically arranged with center shaft 5 as the axis, there is one polishing rod 8 in each adjusting groove 7, one end of polishing rod 8 has protrusion, the other end has polishing brush gear, the middle part of two polishing rods 8 has threaded opening, adjusting screw rod 9 passes through two polishing rods 8 by thread;

[0021] Further, there is rotating screw in sliding slot 11, and it is driven by motor, there is protrusion on sliding block 12, sliding block 12 is connected with rotating screw by thread, the protrusion of sliding block 12 is located in limiting groove 13;

[0022] Further, fixed frame 14 is fixedly arranged below sliding block 12, there is square opening in fixed frame 14, there is one electric push rod 15 on each side wall of the opening of fixed frame 14, electric push rod 15 is connected with external controller, the other end of electric push rod 15 is provided with fixed block 16, fixed block 16 is arc-shaped, four fixed blocks 16 form circular structure, and the center of the circle and the center of center shaft 5 are located on the same horizontal line.

[0023] Example 2

[0024] In use, bicycle hub is placed on fixed block 16, control four electric push rods 15 to elongate simultaneously, clamp bicycle hub, control sliding block 12 to drive fixed frame 14 to move towards polishing frame 2 in sliding slot 11, at this time, bicycle hub extends into two polishing rods 8, rotate adjusting screw rod 9, so that two polishing rods 8 move outward in adjusting groove 7, until the brush gear of polishing rod 8 contacts with the inner wall of bicycle hub, control driving motor 3 to drive center shaft 5 and rotating plate 6 to operate, and the inner diameter of bicycle hub is polished.

[0025] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The various components mentioned in the utility model are common technology in the prior art, which should be understood by the skilled person in the industry. The utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A device for grinding the inner diameter of a hub for a bicycle, characterized in that, Including processing platform, polishing frame, driving motor, placement platform, center shaft, rotating plate, adjusting groove, polishing rod, adjusting screw, mounting frame, sliding groove, sliding block, limiting groove, fixing frame, electric push rod, fixed block, The polishing frame is provided on the processing platform, the placement platform is provided on the polishing frame, the driving motor is provided on the placement platform, the center shaft is provided on the driving motor, the rotating plate is provided on the center shaft, the adjusting groove is provided on the rotating plate, the polishing rod is provided in the adjusting groove, the adjusting screw is provided on the polishing rod, The mounting frame is provided on the processing platform, the sliding groove is provided on the mounting frame, the sliding block is provided in the sliding groove, the limiting groove is provided in the sliding groove, the fixing frame is arranged at the lower end of the sliding block, the electric push rod is arranged on the fixing frame, and the fixed block is arranged on the electric push rod.

2. The inner diameter polishing device for producing a bicycle hub according to claim 1, wherein The driving motor is connected with the external controller, the output end of the driving motor is fixedly provided with the center shaft, the middle part of the rotating plate is connected with the center shaft, the rotating plate has two adjusting grooves, the two adjusting grooves are symmetrically arranged with the center shaft as the axis, each adjusting groove has a polishing rod, one end of the polishing rod has a protrusion, the other end has a polishing brush gear, the middle part of the polishing rod has a threaded opening, and the adjusting screw passes through the two polishing rods through threads.

3. The inner diameter polishing device for producing a bicycle hub according to claim 1, wherein The sliding groove has a rotating screw, and is driven by a motor, the sliding block has a protrusion, the sliding block is connected with the rotating screw through threads, and the protrusion of the sliding block is located in the limiting groove.

4. The inner diameter polishing device for producing a bicycle hub according to claim 1, wherein The fixing frame is fixedly arranged below the sliding block, the fixing frame has a square opening, each of the four side walls of the opening of the fixing frame has an electric push rod, the electric push rod is connected with the external controller, the other end of the electric push rod is provided with a fixed block, the fixed block is in arc shape, four fixed blocks form a circular structure, and the center of the circle and the center of the center shaft are located on the same horizontal line.

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