A bicycle pulley gear processing jig

Abstract

The utility model discloses a bicycle pulley gear processing jig, comprising a processing table, wherein a bottom plate is movably connected to the top of the processing table; the bicycle pulley gear processing jig is used in coordination with a hydraulic push rod, a movable plate, a slide groove, a sliding block, a clamping block, a fixing bolt, a roller and a matching groove. During the use of the processing jig, the movable plate is driven to move by the hydraulic push rod, and the roller at the bottom end of the movable plate is driven to roll in the matching groove, so as to improve the smoothness of the position movement of the movable plate to a certain extent, thereby driving the clamping block to clamp the teeth of the gear to achieve the fixing of the gear, and at the same time, the fixing bolt can be disassembled, the clamping block can be pulled to move upward, and the sliding block can be driven to be separated from the slide groove to achieve the disassembly of the clamping block, so that the clamping blocks of different sizes and specifications can be replaced easily, and the adaptability to gear processing is improved, thereby improving the practicality of the processing jig to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field related to processing jigs, in particular to a bicycle pulley gear processing jig. Background Art

[0002] The pulley is part of the bicycle transmission system. It works with the bicycle belt or chain to transfer power from the pedals to the rear wheel, thereby driving the bicycle forward. During the processing of the bicycle pulley gear, a processing jig is needed to clamp and fix the gear to facilitate the removal of burrs and other tasks.

[0003] Existing gear processing jigs are fixed in specifications when clamping gears and cannot fix gears of different specifications. If gears of different specifications need to be processed, different jigs need to be replaced, which reduces the adaptability of the gears and increases the processing cost. Therefore, it is necessary to propose a bicycle pulley gear processing jig. Utility Model Content

[0004] The purpose of the utility model is to provide a bicycle pulley gear processing jig to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bicycle pulley gear processing jig, comprising a processing table, a bottom plate movably connected to the top of the processing table, a vertical plate fixedly connected to the top of the bottom plate, a hydraulic push rod fixedly connected to one side of the vertical plate, an output end of the hydraulic push rod fixedly connected to a movable plate, a guide rod movably connected to the inside of the movable plate, a slide groove provided inside the movable plate, a slider movably connected to the inside of the slide groove, a clamping block fixedly connected to one side of the slider, a fixing bolt movably connected to the inside of the slider, a roller movably connected to the bottom of the movable plate, and a matching groove provided above the bottom plate.

[0006] Preferably, the guide rod passes through the interior of the movable plate and extends to both sides of the movable plate, and the guide rod is movably connected to the movable plate.

[0007] Preferably, a groove is opened inside the processing table, and a movable block is movably connected inside the groove. A fixed plate is fixedly connected to the bottom of the processing table, and a motor is fixedly connected to one side of the fixed plate. The output end of the motor is fixedly connected to a rotating shaft through a coupling, and one end of the rotating shaft is fixedly connected to a threaded rod.

[0008] Preferably, the movable block passes through the interior of the trough body and extends to the bottom of the processing table, and the movable block is movably connected to the processing table through the trough body.

[0009] Preferably, the threaded rod passes through the interior of the movable block and extends to both sides of the movable block, and the threaded rod is movably connected to the movable block.

[0010] Preferably, the shape and size of the sliding groove match those of the sliding block, and the clamping block is movably connected to the movable plate via the sliding groove and the sliding block.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. A bicycle pulley gear processing jig is used in conjunction with a hydraulic push rod, a movable plate, a slide groove, a slider, a clamping block, a fixing bolt, a roller and a matching groove. During the use of the processing jig, the hydraulic push rod drives the movable plate to move, and drives the roller at the bottom end of the movable plate to roll inside the matching groove, thereby improving the smoothness of the movement of the movable plate, thereby driving the clamping block to clamp the teeth of the gear to achieve the fixation of the gear. At the same time, the fixing bolt can be removed, the clamping block can be pulled upward, and the slider can be driven out of the slide groove to achieve the removal of the clamping block, which is convenient for replacing clamping blocks of different sizes and specifications, thereby improving the adaptability to gear processing, and thus the practicality of the processing jig is improved to a certain extent.

[0013] 2. This bicycle pulley gear processing jig is equipped with a trough body, a movable block, a motor and a threaded rod. During the use of the processing jig, the motor drives the rotation of the rotating shaft and the threaded rod, which then drives the threaded rod and the movable block to engage with each other, and drives the position of the base plate to move, so as to adjust the position of the fixed gear, avoid the danger of manual displacement of the gear by the operator during the processing, improve the protection of the operator, and thus improve the applicability of the processing jig to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the overall structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the connection structure between the bottom plate and the matching groove of the utility model;

[0017] Figure 4 This is a schematic diagram of the connection structure between the slider and the fixing bolt of the utility model;

[0018] Figure 5 This is a schematic diagram of the connection structure between the base plate and the threaded rod of the utility model.

[0019] In the figure: 1. Processing table; 2. Base plate; 3. Vertical plate; 4. Hydraulic push rod; 5. Movable plate; 6. Guide rod; 7. Slide groove; 8. Slider; 9. Clamping block; 10. Fixing bolt; 11. Roller; 12. Matching groove; 13. Slot body; 14. Movable block; 15. Fixed plate; 16. Motor; 17. Rotating shaft; 18. Threaded rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-5 The utility model provides a technical solution: a bicycle pulley gear processing jig, including a processing table 1, a bottom plate 2 is movably connected to the top of the processing table 1, a vertical plate 3 is fixedly connected to the top of the bottom plate 2, a hydraulic push rod 4 is fixedly connected to one side of the vertical plate 3, the output end of the hydraulic push rod 4 is fixedly connected to the movable plate 5, the interior of the movable plate 5 is movably connected to a guide rod 6, the guide rod 6 passes through the interior of the movable plate 5 and extends to both sides of the movable plate 5, the guide rod 6 is movably connected to the movable plate 5, improves the guidance and stability of the position movement of the movable plate 5, and avoids the corner of the movable plate 5 The degree of deviation is caused, a slide groove 7 is provided inside the movable plate 5, and the shape and size of the slide groove 7 match the shape and size of the slider 8. The clamping block 9 is movably connected to the movable plate 5 through the slide groove 7 and the slider 8, which is convenient for loading and unloading the clamping block 9 and the movable plate 5, and convenient for replacing it, thereby improving the adaptability of the gear. The slide groove 7 is movably connected to the slider 8, and one side of the slider 8 is fixedly connected to the clamping block 9. The slider 8 is movably connected to the inside of the slider 8 with a fixing bolt 10. The bottom of the movable plate 5 is movably connected to a roller 11, and a matching groove 12 is provided above the bottom plate 2.

[0022] See also Figure 1-5A slot body 13 is provided inside the processing table 1, and a movable block 14 is movably connected inside the slot body 13. The movable block 14 passes through the interior of the slot body 13 and extends to the bottom of the processing table 1. The movable block 14 is movably connected to the processing table 1 through the slot body 13, which is convenient for the connection between the movable block 14 and the threaded rod 18, and subsequently drives the displacement of the fixed gear. A fixed plate 15 is fixedly connected to the bottom of the processing table 1, and a motor 16 is fixedly connected to one side of the fixed plate 15. The output end of the motor 16 is fixedly connected to a rotating shaft 17 through a coupling, and one end of the rotating shaft 17 is fixedly connected to a threaded rod 18. The threaded rod 18 passes through the interior of the movable block 14 and extends to both sides of the movable block 14. The threaded rod 18 is movably connected to the movable block 14, which is convenient for driving the threaded rod 18 and the movable block 14 to engage with each other, so as to adjust the position of the fixed gear.

[0023] Working principle: When using the bicycle pulley gear processing jig, first place the teeth on the outer wall of the gear inside the clamping block 9 on the left side of the bottom plate 2, start the hydraulic push rod 4, drive the movable plate 5 to move on the outer wall of the guide rod 6, and at the same time drive the roller 11 at the bottom end of the movable plate 5 to roll inside the matching groove 12, so as to improve the smoothness of the position movement of the movable plate 5, thereby driving the position of the clamping block 9 on one side of the movable plate 5 to move and fix the gear, and then start the motor 16 to drive the rotation of the rotating shaft 17 and the threaded rod 18, and through the threaded rod 18 The mutual engagement with the internal threads of the movable block 14 drives the movable block 14 to move inside the groove body 13, and at the same time drives the displacement of the base plate 2 to adjust the position of the gear. If you need to replace the clamping block 9 of different specifications and sizes, disengage the fixing bolt 10 from the slider 8 and the movable plate 5 in turn, and then pull the clamping block 9 upward to drive the slider 8 on one side to disengage from the inside of the slide 7 to disassemble the clamping block 9. The model of the hydraulic push rod 4 is JXTL, and the model of the motor 16 is YE3. In this way, the use process of the bicycle pulley gear processing jig is completed.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bicycle pulley gear processing jig, comprising a processing table (1), characterized in that: The processing table (1) is movably connected to a bottom plate (2) above, the bottom plate (2) is fixedly connected to a vertical plate (3) above, one side of the vertical plate (3) is fixedly connected to a hydraulic push rod (4), the output end of the hydraulic push rod (4) is fixedly connected to a movable plate (5), the movable plate (5) is movably connected to a guide rod (6) inside, a slide groove (7) is provided inside the movable plate (5), a slider (8) is movably connected inside the slide groove (7), a clamping block (9) is fixedly connected to one side of the slider (8), a fixing bolt (10) is movably connected inside the slider (8), a roller (11) is movably connected below the movable plate (5), and a matching groove (12) is provided above the bottom plate (2).

2. A bicycle pulley gear processing jig according to claim 1, characterized in that: The guide rod (6) passes through the interior of the movable plate (5) and extends to both sides of the movable plate (5), and the guide rod (6) is movably connected to the movable plate (5).

3. A bicycle pulley gear processing jig according to claim 1, characterized in that: A groove body (13) is provided inside the processing table (1), and a movable block (14) is movably connected inside the groove body (13). A fixed plate (15) is fixedly connected below the processing table (1), and a motor (16) is fixedly connected to one side of the fixed plate (15). The output end of the motor (16) is fixedly connected to a rotating shaft (17) via a coupling, and one end of the rotating shaft (17) is fixedly connected to a threaded rod (18).

4. A bicycle pulley gear processing jig according to claim 3, characterized in that: The movable block (14) passes through the interior of the trough body (13) and extends to the bottom of the processing table (1); the movable block (14) is movably connected to the processing table (1) through the trough body (13).

5. The bicycle pulley gear processing jig according to claim 3, characterized in that: The threaded rod (18) penetrates the interior of the movable block (14) and extends to both sides of the movable block (14); the threaded rod (18) is movably connected to the movable block (14).

6. The bicycle pulley gear processing jig according to claim 1, characterized in that: The shape and size of the slide groove (7) match the shape and size of the slider (8), and the clamping block (9) is movably connected to the movable plate (5) via the slide groove (7) and the slider (8).

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