Equidistant trepanning device for bicycle hub machining

Abstract

The utility model relates to the technical field of trepanning devices, in particular to an equidistant trepanning device for bicycle hub machining. The device comprises a mounting shell, a bearing plate is arranged in the center of the mounting shell, an angle scale disc is arranged on the bearing plate, a sliding rod is arranged on the angle scale disc, an adjusting assembly is movably arranged on the sliding rod, a matching assembly is arranged on a top plate of the mounting shell, and the matching assembly is in transmission connection with the adjusting assembly. Fixing assemblies are symmetrically arranged on the two inner side walls of the mounting shell. A laser transmitter is arranged on the adjusting block, so that an operator can clearly and accurately observe the rotating angle, errors are avoided, and the punching position is more accurate; by arranging the elastic bolt on the sliding block, the sliding block can be fixed and moved, it can be guaranteed that deviation does not occur during punching, meanwhile, the position of the sliding block can be adjusted, the distance can be adjusted according to different punching positions or hubs of different sizes, and adaptability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hole opening devices, in particular to an equidistant hole opening device for processing a bicycle hub. Background Art

[0002] A bicycle hub is the center part of a bicycle wheel that connects the spokes and supports the tire. It usually includes bearings and gears that allow the wheel to rotate and transmit power.

[0003] During the processing of bicycle hubs, the protruding discs at both ends need to be evenly drilled around their circumference. The holes in the discs on traditional hubs are made using a lathe, using a high-speed rotating drill. This method is not only inefficient, but also unable to accurately control the spacing between the holes, and requires an experienced craftsman to operate. Utility Model Content

[0004] The utility model aims to provide an equidistant hole opening device for processing a bicycle hub, so as to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution, which includes an installation shell, a load-bearing plate is arranged in the center of the installation shell, an angle dial is arranged on the load-bearing plate, a sliding rod is arranged on the angle dial, an adjustment component is movably arranged on the sliding rod, a matching component is arranged on the top plate of the installation shell, the matching component is transmission-connected with the adjustment component, and fixed components are also symmetrically arranged on the two inner side walls of the installation shell.

[0006] As a preferred embodiment of the utility model, a limiting groove 1 is provided on the front and rear side walls of the installation shell, a limiting groove 2 is provided on the left and right side walls of the installation shell, and a slot 1 and a slot 2 corresponding to the limiting groove 1 and the limiting groove 2 are respectively provided on the load-bearing plate, a limiting plate 1 is inserted in the slot 1, and the two ends of the limiting plate 1 are inserted in the limiting groove 1, and a limiting plate 2 is inserted in the slot 2, and the two ends of the limiting plate 2 are inserted in the limiting groove 2.

[0007] As a preferred embodiment of the present invention, the fixing assembly includes a telescopic cylinder 1 arranged on the side wall of the mounting shell, and the telescopic rod of the telescopic cylinder 1 passes through the mounting shell and is connected to the rubber pad.

[0008] As a preferred embodiment of the utility model, the mating component includes a telescopic cylinder 2 arranged on the top plate of the mounting shell, after the telescopic rod of the telescopic cylinder 2 passes through the top plate of the mounting shell, a plurality of connecting parts are arranged around it, and the plurality of connecting parts are connected to the connecting plate through a plurality of bolt groups, and a motor is arranged at the bottom of the connecting plate.

[0009] As a preferred embodiment of the utility model, the adjustment component includes a fixed cylinder, a bearing is arranged in the fixed cylinder, the bearing is movably sleeved on the sliding rod, an adjustment block is arranged on one side of the fixed cylinder, a scale mark is arranged on one side of the adjustment block, a laser emitter is also arranged on the same side of the adjustment block, the laser emitter is located above the angle scale plate, a slider is also slidably arranged on the adjustment block, a tensioning bolt is arranged on the top of the slider, and a punching device is arranged on the bottom of the slider.

[0010] As a preferred embodiment of the utility model, an inverted "L"-shaped block is provided on one side of the top of the adjustment block, a fixing ring is provided on the inverted "L"-shaped block, and the fixing ring is provided on the transmission end of the motor.

[0011] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0012] 1. The utility model provides a laser transmitter on the adjustment block, so that the operator can clearly and accurately observe the rotation angle, avoid errors, and make the drilling position more accurate.

[0013] 2. The utility model provides a tension bolt on the slider, so that the slider can be fixed and moved, which can ensure that there is no deviation when punching. At the same time, the position of the slider can be adjusted, and the distance can be adjusted according to different punching positions or different sizes of hubs, thereby improving adaptability.

[0014] 3. The utility model can fix the hub tightly by providing a pair of fixing components to prevent the hub from shifting during drilling and affecting the drilling accuracy. At the same time, a rubber pad is provided on the telescopic rod of the telescopic cylinder to avoid damage to the hub during the clamping process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall front side structural view of the present invention;

[0016] Figure 2 This is a schematic diagram of the installation shell structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the structure of the installation housing of the utility model after the limit plate 1 and the limit plate 2 are separated;

[0018] Figure 4 It is a structural schematic diagram of the angle scale plate and the slide rod of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the fixing assembly of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the matching components of the utility model;

[0021] Figure 7 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0022] Figure 8 It is a structural schematic diagram of the slider and the punching device of the utility model.

[0023] Figure numerals: installation shell 1, limit slot 1 10, limit slot 2 11, load-bearing plate 12, slot 1 13, slot 2 14, limit plate 1 15, limit plate 2 16, angle dial 2, slide rod 3, fixing assembly 4, telescopic cylinder 1 40, rubber pad 41, matching assembly 5, telescopic cylinder 2 50, connecting part 51, bolt group 52, connecting plate 53, motor 54, adjustment assembly 6, fixing cylinder 60, bearing 61, adjustment block 62, scale mark 63, laser emitter 64, inverted "L" shaped block 65, fixing ring 66, slider 67, tensioning bolt 68, punching device 69. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0025] like Figure 1-Figure 2 As shown, the utility model proposes an equidistant hole opening device for processing a bicycle hub, which includes a mounting shell 1, a load-bearing plate 12 is arranged in the center of the mounting shell 1, an angle scale plate 2 is arranged on the load-bearing plate 12, a slide bar 3 is arranged on the angle scale plate 2, an adjustment component 6 is movably arranged on the slide bar 3, a matching component 5 is arranged on the top plate of the mounting shell 1, the matching component 5 is transmission-connected with the adjustment component 6, and fixing components 4 are symmetrically arranged on the two inner side walls of the mounting shell 1.

[0026] like Figure 3 As shown, a limiting groove 10 is provided on the front and rear side walls of the mounting shell 1, a limiting groove 2 11 is provided on the left and right side walls of the mounting shell 1, a slot 13 and a slot 2 14 corresponding to the limiting groove 10 and the limiting groove 2 11 are respectively provided on the load-bearing plate 12, a limiting plate 15 is inserted in the slot 13, and both ends of the limiting plate 15 are inserted in the limiting groove 10, a limiting plate 2 16 is inserted in the slot 2 14, and both ends of the limiting plate 2 16 are inserted in the limiting groove 2 11.

[0027] like Figure 5 As shown, the fixing assembly 4 includes a telescopic cylinder 40 arranged on the side wall of the mounting shell 1. The telescopic rod of the telescopic cylinder 40 passes through the mounting shell 1 and is connected to the rubber pad 41.

[0028] like Figure 6 As shown, the mating component 5 includes a telescopic cylinder 50 arranged on the top plate of the mounting shell 1. After the telescopic rod of the telescopic cylinder 50 passes through the top plate of the mounting shell 1, a plurality of connecting parts 51 are arranged around the top thereof. The plurality of connecting parts 51 are connected to a connecting plate 53 through a plurality of bolt groups 52. A motor 54 is arranged at the bottom of the connecting plate 53.

[0029] like Figure 7-Figure 8 As shown, in the adjustment component 6, a bearing 61 is arranged in the fixed cylinder 60, and the bearing 61 is movably mounted on the slide rod 3. An adjustment block 62 is arranged on one side of the fixed cylinder 60, and a scale mark 63 is arranged on one side of the adjustment block 62. A laser emitter 64 is also arranged on the same side of the adjustment block 62, and the laser emitter 64 is located above the angle scale plate 2. A slider 67 is also slidably arranged on the adjustment block 62, and a tension bolt 68 is arranged on the top of the slider 67, and a punching device 69 is arranged on the bottom of the slider 67; an inverted "L"-shaped block 65 is arranged on one side of the top of the adjustment block 62, and a fixing ring 66 is arranged on the inverted "L"-shaped block 65, and the fixing ring 66 is arranged on the transmission end of the motor 54.

[0030] When in use, the hub needs to be placed in the installation housing 1 so that it is located directly below the load-bearing plate 12, and then the telescopic cylinders 1 40 on both sides are started simultaneously to clamp and fix the hub, and then the distance between the slider 67 and the circle is adjusted according to the position of the hole to be drilled. After the adjustment is completed, the tension bolt 68 is tightened, and then the punching device 69 is started, and then the telescopic cylinder 2 50 is started to make the punching device 69 perform the punching operation;

[0031] Next, by turning on the laser transmitter 64, the adjustment component 6 is driven to calculate the required rotation angle according to the required drilling spacing, and then the motor 54 is started, and the position of the laser on the angle scale plate 2 is observed. After rotating to the specified angle, the motor 54 is stopped, and the telescopic cylinder 2 50 is started again to perform drilling;

[0032] When the punching position coincides with the limiting plate 1 15 or the limiting plate 2 16 , the limiting plate 1 15 or the limiting plate 2 16 can be pulled out to perform the punching.

[0033] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. An equidistant hole drilling device for processing a bicycle hub, comprising a mounting housing (1), characterized in that: A load-bearing plate (12) is arranged in the center of the installation shell (1), an angle scale plate (2) is arranged on the load-bearing plate (12), a sliding rod (3) is arranged on the angle scale plate (2), an adjustment component (6) is movably arranged on the sliding rod (3), a matching component (5) is arranged on the top plate of the installation shell (1), the matching component (5) is transmission-connected with the adjustment component (6), and fixing components (4) are symmetrically arranged on the two inner side walls of the installation shell (1).

2. The equidistant hole drilling device for bicycle hub processing according to claim 1, characterized in that: The front and rear side walls of the installation shell (1) are provided with a limiting groove 1 (10), the left and right side walls of the installation shell (1) are provided with a limiting groove 2 (11), the load-bearing plate (12) is provided with a slot 1 (13) and a slot 2 (14) corresponding to the limiting groove 1 (10) and the limiting groove 2 (11), respectively, the slot 1 (13) is provided with a limiting plate 1 (15) inserted therein, the two ends of the limiting plate 1 (15) are inserted thereinto the limiting groove 1 (10), the slot 2 (14) is provided with a limiting plate 2 (16) inserted therein, the two ends of the limiting plate 2 (16) are inserted thereinto the limiting groove 2 (11).

3. The equidistant hole drilling device for processing a bicycle hub according to claim 2, characterized in that: The fixing assembly (4) comprises a telescopic cylinder (40) arranged on the side wall of the mounting shell (1); the telescopic rod of the telescopic cylinder (40) passes through the mounting shell (1) and is connected to the rubber pad (41).

4. The equidistant hole punching device for processing a bicycle hub according to claim 3, characterized in that: The mating assembly (5) comprises a telescopic cylinder 2 (50) arranged on the top plate of the mounting shell (1); after the telescopic rod of the telescopic cylinder 2 (50) passes through the top plate of the mounting shell (1), a plurality of connecting members (51) are arranged around the top of the telescopic cylinder 2 (50); the plurality of connecting members (51) are connected to a connecting plate (53) via a plurality of bolt groups (52); and a motor (54) is arranged at the bottom of the connecting plate (53).

5. The equidistant hole drilling device for bicycle hub processing according to claim 4, characterized in that: The adjustment component (6) comprises a fixed cylinder (60), a bearing (61) is arranged inside the fixed cylinder (60), and the bearing (61) is movably sleeved on the slide rod (3); an adjustment block (62) is arranged on one side of the fixed cylinder (60), and a scale mark (63) is arranged on one side of the adjustment block (62); a laser emitter (64) is also arranged on the same side of the adjustment block (62), and the laser emitter (64) is located above the angle scale plate (2); a slider (67) is also slidably arranged on the adjustment block (62), a tension bolt (68) is arranged on the top of the slider (67), and a punching device (69) is arranged on the bottom of the slider (67).

6. The equidistant hole drilling device for processing a bicycle hub according to claim 5, characterized in that: An inverted "L"-shaped block (65) is provided on one side of the top of the adjustment block (62), a fixing ring (66) is provided on the inverted "L"-shaped block (65), and the fixing ring (66) is provided on the transmission end of the motor (54).

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