CN220782484U - Trimming mechanism for milling teeth of bicycle gear - Google Patents
Trimming mechanism for milling teeth of bicycle gear Download PDFInfo
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- CN220782484U CN220782484U CN202322501755.7U CN202322501755U CN220782484U CN 220782484 U CN220782484 U CN 220782484U CN 202322501755 U CN202322501755 U CN 202322501755U CN 220782484 U CN220782484 U CN 220782484U
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- bicycle
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- 238000003801 milling Methods 0.000 title claims abstract description 35
- 238000009966 trimming Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 238000000227 grinding Methods 0.000 claims abstract description 14
- 230000008439 repair process Effects 0.000 abstract description 7
- 239000011449 brick Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a trimming mechanism for milling teeth of a bicycle gear, and relates to the technical field of bicycles. The utility model comprises a base, wherein the middle part of the upper side wall of the base is provided with a touch alarm assembly, the touch alarm assembly comprises a U-shaped bracket arranged on the upper side wall of the base, the end part of an L-shaped shaft connected with the outer side wall of the U-shaped bracket is connected with a touch switch in a contact way, and the lower side wall of a support, which is far away from the side wall of the L-shaped shaft and is fixedly connected with the upper side wall of the base, of the touch switch; the inside subassembly that repairs that is provided with of U-shaped support, the subassembly that repairs includes the motor that sets up in the inside of U-shaped support, and the pivot end connection of motor lateral wall has the round platform abrasive brick. The utility model conveniently and accurately controls the distance that the U-shaped support drives the round table grinding block to move, so that the round table grinding block fully contacts the gear tooth wall of the bicycle, and the rotating round table grinding block simultaneously trims the adjacent gear tooth wall of the bicycle, thereby improving the trimming efficiency of the gear tooth wall of the bicycle.
Description
Technical Field
The utility model belongs to the technical field of bicycles, and particularly relates to a trimming mechanism for milling teeth of a bicycle gear.
Background
The bicycle comprises the following components: frames, wheels, pedals, bicycle gears, etc.; in the process of machining the bicycle gear, the tooth wall of the bicycle gear needs to be trimmed, burrs on the gear tooth wall of the bicycle are reduced, so that the surface smoothness of the bicycle gear is improved, and at present, a trimming mechanism for gear milling is arranged on a gear milling device to trim the tooth wall of the gear.
Through retrieving, it has been disclosed a gear milling device in patent publication No. CN216398300U, including pressing the awl piece, be equipped with the installation axle under the awl piece, be equipped with the work piece gear on the installation axle, installation axle bottom is through location drive assembly fixed stay, work piece gear both sides are equipped with milling tooth subassembly, milling tooth subassembly one side is equipped with the adapter piece, the adapter piece is fixed with the slide about all, sliding fit has first slide bar in the slide, first slide bar both ends are fixed on the mounting bracket, mounting bracket one side is equipped with the second cylinder, the built-in push rod of second cylinder passes the mounting bracket and connects the adapter piece, the mounting bracket bottom is connected with the hydraulic lifting post, hydraulic lifting post one side is equipped with gear trimming mechanism, gear trimming mechanism can further repair work piece gear, its advantage lies in milling tooth through two milling cutters simultaneously, not only accelerated milling tooth efficiency, still improved milling tooth's stability, carry out further gear trimming through gear trimming mechanism, not only improved work piece gear quality, still improve work piece gear efficiency.
However, the following drawbacks still exist in practical use:
In the prior gear milling device, the distance of the milling cutter is inconvenient to determine when the milling cutter moves in the use process, so that the moving distance of the milling cutter is too large or too small, the milling cutter is inconvenient to fully contact with the gear tooth wall of a bicycle, and the complete finishing of the gear tooth wall of the bicycle gear is inconvenient;
in the existing gear milling device, in the using process, the milling cutter is contacted with the gear tooth wall of a single bicycle, so that the milling cutter is inconvenient to control and repair the adjacent gear wall, and the efficiency of gear wall repair is reduced.
Therefore, the existing gear milling device cannot meet the needs in practical use, so there is an urgent need for an improved technology in the market to solve the above-mentioned problems.
Disclosure of utility model
The utility model aims to provide a trimming mechanism for milling teeth of a bicycle gear, which solves the problems that the conventional gear milling device is inconvenient to control a milling cutter to be in full contact with a gear tooth wall and the gear trimming efficiency is low.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a trimming mechanism for milling teeth of a bicycle gear, which comprises a base, wherein a touch alarm assembly is arranged in the middle of the upper side wall of the base, the touch alarm assembly comprises a U-shaped bracket arranged on the upper side wall of the base, the end part of an L-shaped shaft connected with the outer side wall of the U-shaped bracket is connected with a touch switch in a contact way, and the lower side wall of a support, which is far away from the side wall of the L-shaped shaft and is fixedly connected with the upper side wall of the base, of the touch switch; the inside subassembly that repairs that is provided with of U-shaped support, the subassembly that repairs includes the motor that sets up in the inside of U-shaped support, and the pivot end connection of motor lateral wall has the round platform abrasive brick.
Further, the circular seat lower side wall that the inside top lateral wall of U-shaped support is connected with first pneumatic cylinder, and the first hydraulic stem lower extreme that first pneumatic cylinder downside is connected with the frame upper side wall of rigid coupling at the motor upper side wall.
Further, the first T-shaped sliding blocks symmetrically connected with the two outer side walls of the machine base are in sliding connection with the second T-shaped sliding grooves symmetrically formed in the two inner side walls of the U-shaped support.
Further, the first T-shaped sliding grooves symmetrically arranged on the upper side wall of the base are in sliding connection with the second T-shaped sliding blocks symmetrically fixedly connected with the lower side wall of the U-shaped bracket.
Further, a limit nut is connected with the outer side of the limit external thread protruding shaft fixedly connected with the upper side wall of the base in a threaded manner.
Further, the base is far away from the lateral wall of the spacing external screw thread protruding shaft and has seted up the U-shaped through groove.
Further, the connecting seat outside that first pneumatic cylinder lateral wall was connected is provided with the second pneumatic cylinder, and the lateral wall that the second pneumatic cylinder is close to the connecting seat is connected with the second hydraulic stem, and second hydraulic stem tip is connected with the connecting seat lateral wall, and the jar frame lower side wall that the connecting seat lateral wall rigid coupling was kept away from to the second pneumatic cylinder is connected on the base upper side wall.
The utility model has the following beneficial effects:
According to the utility model, the touch alarm assembly is arranged, so that the moving distance of the U-shaped support is conveniently and accurately controlled, the moving distance of the motor is conveniently determined, and the moving distance of the round table grinding block is conveniently determined, so that the round table grinding block is fully contacted with the gear tooth wall of the bicycle, and the comprehensive grinding and finishing of the gear tooth wall of the bicycle gear in the later stage are facilitated.
According to the utility model, the trimming assembly is arranged, and the outer side wall of the round table grinding block is simultaneously contacted with the adjacent tooth walls on the bicycle gear, so that the plurality of tooth walls of the bicycle gear are polished and trimmed, and the trimming efficiency of the bicycle gear is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a finishing mechanism for milling teeth on a bicycle gear;
FIG. 2 is a schematic perspective view of a finishing mechanism for milling teeth on a bicycle gear;
fig. 3 is a schematic diagram of the connection of the first hydraulic cylinder and the second hydraulic cylinder.
In the drawings, the list of components represented by the various numbers is as follows:
1. A base; 11. the first T-shaped chute; 12. u-shaped through grooves; 2. a trimming assembly; 21. a motor; 211. a rotating shaft; 212. round table grinding block; 213. a base; 214. a first T-shaped slider; 3. a touch alert assembly; 31. an L-shaped shaft; 32. a touch switch; 33. a support; 34. a U-shaped bracket; 341. a second T-shaped slider; 342. the second T-shaped chute; 4. limiting the male threaded protruding shaft; 41. a limit nut; 5. a first hydraulic cylinder; 51. a first hydraulic lever; 52. a connecting seat; 53. a circular seat; 6. a second hydraulic cylinder; 61. a cylinder frame; 62. and a second hydraulic rod.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1, the utility model relates to a trimming mechanism for milling teeth of a bicycle gear, which comprises a base 1, wherein a touch alarm assembly 3 is arranged in the middle of the upper side wall of the base 1, the touch alarm assembly 3 comprises a U-shaped bracket 34 arranged on the upper side wall of the base 1, the end part of an L-shaped shaft 31 connected with the outer side wall of the U-shaped bracket 34 is connected with a touch switch 32 in a contact manner, the lower side wall of a support 33, which is far away from the side wall of the L-shaped shaft 31 and is fixedly connected with the upper side wall of the base 1, is convenient to accurately control the moving distance of the U-shaped bracket 34, namely, the touch switch 32 is touched in the moving process of the L-shaped shaft 31, and the moving distance of the U-shaped bracket 34 is prevented from being too large or too small;
the outer side of the limiting external thread protruding shaft 4 fixedly connected with the upper side wall of the base 1 is in threaded connection with a limiting nut 41 for locking the position of the bicycle gear on the base 1;
As shown in the figure, the first T-shaped sliding groove 11 symmetrically arranged on the upper side wall of the base 1 is slidably connected with the second T-shaped sliding block 341 symmetrically fixedly connected with the lower side wall of the U-shaped bracket 34, and the first T-shaped sliding groove 11 cooperates with the second T-shaped sliding block 341 to limit the U-shaped bracket 34 to linearly move on the base 1, so that the stability of the U-shaped bracket 34 during movement is improved;
As shown in fig. 3, a second hydraulic cylinder 6 is arranged outside a connecting seat 52 connected with the outer side wall of the first hydraulic cylinder 5, a second hydraulic rod 62 is connected with the side wall of the second hydraulic cylinder 6 close to the connecting seat 52, the end part of the second hydraulic rod 62 is connected with the outer side wall of the connecting seat 52, the lower side wall of a cylinder frame 61, which is far away from the side wall of the connecting seat 52 and fixedly connected with the side wall of the second hydraulic cylinder 6, is connected with the upper side wall of the base 1, and is used for adjusting the position of the first hydraulic cylinder 5 on the base 1 and adjusting the position of the U-shaped bracket 34 on the base 1;
When the device is used, the second hydraulic cylinder 6 is started, the second hydraulic rod 62 stretches, the second T-shaped sliding block 341 slides along the first T-shaped sliding groove 11, the L-shaped shaft 31 moves until the L-shaped shaft 31 touches the touch switch 32, and the second hydraulic cylinder 6 stops working; conversely, the second hydraulic stem 62 contracts and the L-shaped shaft 31 moves away from the touch switch 32.
As shown in fig. 1 and 2, a trimming assembly 2 is arranged in the U-shaped bracket 34, the trimming assembly 2 comprises a motor 21 arranged in the U-shaped bracket 34, a round table grinding block 212 is connected to the end part of a rotating shaft 211 connected with the side wall of the motor 21, so that a plurality of side walls of a bicycle gear can be polished and trimmed conveniently, and the trimming efficiency of the bicycle gear is improved;
as shown in fig. 1, a U-shaped through groove 12 is formed on the side wall of the base 1 away from the limiting male threaded shaft 4, so that the base 1 is effectively prevented from blocking the trimming assembly 2 from moving downwards;
The lower side wall of a circular seat 53 connected with the inner top side wall of the U-shaped bracket 34 is connected with a first hydraulic cylinder 5, the lower end of a first hydraulic rod 51 connected with the lower side of the first hydraulic cylinder 5 is connected with the upper side wall of a stand 213 fixedly connected with the upper side wall of the motor 21, and drives the motor 21 to move downwards or downwards to adjust the height of the motor 21;
The first T-shaped sliding blocks 214 symmetrically connected with the two outer side walls of the stand 213 are in sliding connection with the second T-shaped sliding grooves 342 symmetrically formed in the two inner side walls of the U-shaped bracket 34, and the first T-shaped sliding blocks 214 are matched with the second T-shaped sliding grooves 342 to limit the stand 213 to linearly move and improve the stability of the stand 213 during movement;
When the device is used, the motor 21 is started, the rotating shaft 211 rotates, the round table grinding block 212 contacts with the adjacent tooth side wall of the adjacent bicycle gear at the same time, the rotating round table grinding block 212 grinds and dresses the gear tooth wall of the bicycle, the first hydraulic cylinder 5 is started, the first hydraulic rod 51 stretches and moves downwards, the first T-shaped sliding block 214 moves downwards along the second T-shaped sliding groove 342, the stand 213 moves downwards, the motor 21 moves downwards, and the round table grinding block 212 moves downwards; when the first hydraulic rod 51 contracts, the round table block 212 moves upward.
The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.
Claims (7)
1. The utility model provides a trimming mechanism for bicycle gear mills tooth, includes base (1), its characterized in that: the middle part of the upper side wall of the base (1) is provided with a touch alarm assembly (3), the touch alarm assembly (3) comprises a U-shaped bracket (34) arranged on the upper side wall of the base (1), the end part of an L-shaped shaft (31) connected with the outer side wall of the U-shaped bracket (34) is connected with a touch switch (32) in a contact manner, and the lower side wall of a support (33) fixedly connected with the side wall of the L-shaped shaft (31) far away from the touch switch (32) is connected with the upper side wall of the base (1);
The novel grinding machine is characterized in that a trimming assembly (2) is arranged inside the U-shaped support (34), the trimming assembly (2) comprises a motor (21) arranged inside the U-shaped support (34), and a rotary shaft (211) connected with the side wall of the motor (21) is connected with a round table grinding block (212) at the end part.
2. The finishing mechanism for milling teeth of a bicycle gear according to claim 1, wherein: the lower side wall of a circular seat (53) connected with the inner top side wall of the U-shaped bracket (34) is connected with a first hydraulic cylinder (5), and the lower end of a first hydraulic rod (51) connected with the lower side of the first hydraulic cylinder (5) is connected with the upper side wall of a stand (213) fixedly connected with the upper side wall of the motor (21).
3. The finishing mechanism for milling teeth of a bicycle gear according to claim 2, wherein: the first T-shaped sliding blocks (214) symmetrically connected with the two outer side walls of the base (213) are in sliding connection with the second T-shaped sliding grooves (342) symmetrically formed in the two inner side walls of the U-shaped bracket (34).
4. The finishing mechanism for milling teeth of a bicycle gear according to claim 1, wherein: the first T-shaped sliding grooves (11) symmetrically arranged on the upper side wall of the base (1) are in sliding connection with the second T-shaped sliding blocks (341) symmetrically fixedly connected with the lower side wall of the U-shaped bracket (34).
5. The finishing mechanism for milling teeth of a bicycle gear according to claim 4, wherein: and a limit nut (41) is connected with the outer side of the limit external thread protruding shaft (4) fixedly connected with the upper side wall of the base (1) through threads.
6. The finishing mechanism for milling teeth of a bicycle gear according to claim 5, wherein: the side wall of the base (1) far away from the limiting external thread protruding shaft (4) is provided with a U-shaped through groove (12).
7. The finishing mechanism for milling teeth of a bicycle gear according to claim 2, wherein: the hydraulic cylinder is characterized in that a second hydraulic cylinder (6) is arranged outside a connecting seat (52) connected with the outer side wall of the first hydraulic cylinder (5), a second hydraulic rod (62) is connected with the side wall, close to the connecting seat (52), of the second hydraulic cylinder (6), the end part of the second hydraulic rod (62) is connected with the outer side wall of the connecting seat (52), and the lower side wall, far away from a cylinder frame (61) fixedly connected with the side wall of the connecting seat (52), of the second hydraulic cylinder (6) is connected onto the upper side wall of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322501755.7U CN220782484U (en) | 2023-09-14 | 2023-09-14 | Trimming mechanism for milling teeth of bicycle gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322501755.7U CN220782484U (en) | 2023-09-14 | 2023-09-14 | Trimming mechanism for milling teeth of bicycle gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220782484U true CN220782484U (en) | 2024-04-16 |
Family
ID=90636684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322501755.7U Active CN220782484U (en) | 2023-09-14 | 2023-09-14 | Trimming mechanism for milling teeth of bicycle gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220782484U (en) |
-
2023
- 2023-09-14 CN CN202322501755.7U patent/CN220782484U/en active Active
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