CN212311716U - Polishing device for inner hole of transmission gear - Google Patents
Polishing device for inner hole of transmission gear Download PDFInfo
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- CN212311716U CN212311716U CN202020803830.9U CN202020803830U CN212311716U CN 212311716 U CN212311716 U CN 212311716U CN 202020803830 U CN202020803830 U CN 202020803830U CN 212311716 U CN212311716 U CN 212311716U
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- polishing
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- clamping
- inner hole
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Abstract
The utility model discloses a burnishing and polishing device of derailleur gear hole, including workstation, setting clamping mechanism and the polishing mechanism on the workstation surface, polishing mechanism is including polishing roller, the supporting rod of setting in the clamping mechanism top, polishing roller passes through lock nut and connects on the supporting rod, the supporting rod passes through motor drive, clamping mechanism includes two fixed blocks, grip block, adjusting screw and regulating wheel, adjusting screw's one end transversely run through one of them fixed block and with the grip block is connected, adjusting screw's the other end with the regulating wheel is connected grip block side surface be provided with the tooth's socket of laminating mutually in the gear outside. The gear is fixed through the clamping mechanism, gear inner holes of different models are convenient to process, the elastic action of the flexible cross rod is used for processing different gear inner holes, and the application range of the polishing device is expanded.
Description
Technical Field
The utility model relates to a derailleur gear machining technical field, in particular to burnishing and polishing device of derailleur gear hole.
Background
The quality of the gear determines the quality of the gearbox, in the gear production, the transmission gear is subjected to heat treatment and then is subjected to grinding processing to enable the inner diameter of an inner hole of the gear to meet the required size requirement, but the surface roughness of the inner hole of the gear after grinding does not meet the use requirement, and abrupt salient points and sharp points exist on the surface.
The invention discloses a polishing tool for an inner hole of a gear, which comprises an operating platform, a fixed frame, a motor, a transmission shaft, an air cylinder, a polishing roller and a bearing groove, wherein the operating platform is provided with the air cylinder, the air cylinder is provided with an adjusting rod, the bearing groove is arranged on the adjusting rod through an installation block, the bearing groove is arranged to be a structure which can be replaced on the adjusting rod, the bottom in the bearing groove is provided with a limiting groove, the inner wall of the bearing groove is also provided with a positioning tooth, a fixed ring is arranged between the polishing roller and the transmission shaft, and the polishing roller is arranged to be a structure which can be replaced in the transmission shaft. Above frock can change the structure that bears the weight of the groove on adjusting the pole through setting up, and applicable gear of variation in size improves the suitability of polishing frock like this. However, different bearing grooves need to be replaced for gears with different sizes, different positioning teeth and different limiting grooves need to be machined in the bearing grooves, and therefore the tooling is difficult to machine, high in cost and complex in overall structure, and is not beneficial to large-scale use.
Disclosure of Invention
For overcoming the problem among the above-mentioned background art, the utility model aims to provide a burnishing and polishing device of derailleur gear hole is applicable to the processing of not unidimensional gear.
The utility model discloses a following technical scheme can realize:
the utility model provides a burnishing and polishing device of derailleur gear hole, includes the workstation, sets up clamping mechanism and polishing mechanism on the workstation surface, polishing mechanism is including polishing roller, the supporting rod that sets up in the clamping mechanism top, polishing roller passes through lock nut and connects on the supporting rod, the supporting rod passes through motor drive, clamping mechanism includes two fixed blocks, grip block, adjusting screw and regulating wheel, two form the space that is used for placing the gear between the fixed block, adjusting screw's one end transversely run through one of them fixed block and with the grip block is connected, adjusting screw's the other end with the regulating wheel is connected grip block side surface be provided with the tooth's socket that the gear outside was laminated mutually.
Further, the polishing roller comprises a rotating rod, a flexible cross rod and a polishing piece, one end of the flexible cross rod is connected with the rotating rod, and the other end of the flexible cross rod is connected with the polishing piece.
Furthermore, the lower end of the clamping rod is provided with a slot, the upper end of the rotating rod is in interference connection with the slot, and the outer side of the clamping rod is in threaded connection with the locking nut.
Further, the rotating rod is arranged coaxially with the gear.
Furthermore, a through hole is formed in the center of the workbench, and the inner diameter of the through hole is larger than that of the gear.
Further, an electric telescopic rod is further arranged between the clamping rod and the motor.
Compared with the prior art, the utility model, have following advantage:
(1) the utility model can fix gears with different sizes through the clamping mechanism, so that gear inner holes with different models can be conveniently processed, parts do not need to be replaced, and only the adjusting screw rod needs to be adjusted according to the size of the gear to fix the gear;
(2) the utility model discloses will throw the polishing piece through flexible horizontal pole and connect in bull stick one side in the burnishing roll, utilize the elastic action of flexible horizontal pole to be applicable to the processing of different gear holes, enlarged burnishing device's application scope.
(3) The through hole with the inner diameter larger than the inner hole of the gear is formed in the workbench, so that the polishing roller can work conveniently to thoroughly process the inner hole of the gear, and the polishing work is smoother.
Drawings
FIG. 1 is a schematic structural view of the transmission gear inner hole polishing device of the present invention;
FIG. 2 is a schematic view of the connection between the holding rod and the polishing roll according to the present invention;
FIG. 3 is a schematic top view of the polishing roll of the present invention;
fig. 4 is a schematic structural diagram of the middle clamping block of the present invention.
In the figure: 1-a workbench; 2-a polishing roll; 3-locking the nut; 4-clamping rods; 5, a motor; 6, fixing blocks; 7-a clamping block; 8-adjusting a screw rod; 9-a regulating wheel; 10-a gear; 11-an electric telescopic rod; 101-a through hole; 201-rotating rod; 202-a flexible cross-bar; 203-a polishing member; 401-slot; 701-gullet.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
As shown in figures 1-4, the utility model relates to a grinding and polishing device for inner holes of gears of transmissions, which comprises a workbench 1, a clamping mechanism and a polishing mechanism arranged on the surface of the workbench 1, the polishing mechanism comprises a polishing roller 2 and a clamping rod 4 which are arranged above the clamping mechanism, the polishing roller 2 is connected to the clamping rod 4 through a locking nut 3, the clamping rod 4 is driven by a motor 5, the clamping mechanism comprises two fixing blocks 6, a clamping block 7, an adjusting screw rod 8 and an adjusting wheel 9, a space for placing a gear 10 is formed between the two fixing blocks 6, one end of the adjusting screw rod 8 transversely penetrates through one of the fixing blocks 6 and is connected with the clamping block 7, the other end of the adjusting screw rod 8 is connected with the adjusting wheel 8, a tooth groove 701 is formed on one surface of the clamping block 7 to be in contact with the outer side of the gear 10.
The utility model discloses in can fix not unidimensional gear through clamping mechanism, place gear 10 between two fixed blocks 6, only need adjust regulating wheel 9 according to gear size, and then drive adjusting screw and remove, closely laminate gear 10 and grip block 7 to make the gear fixed, the gear hole of the different models of being convenient for is processed, need not the renewal part.
As shown in fig. 4, the tooth grooves 701 on the clamping blocks 7 are used to improve the stability between the gear 10 and the clamping blocks 7 and prevent the gear 10 from rotating or shifting during the machining process. The clamping block 7 can be of a flat plate structure or an arc structure.
As shown in fig. 3, in an embodiment of the present invention, the polishing roll 2 includes a rotating rod 201, a flexible cross rod 202 and a polishing member 203, wherein one end of the flexible cross rod 202 is connected to the rotating rod 201, and the other end is connected to the polishing member 203.
The polishing piece 203 is connected to one side of the rotating rod 201 through the flexible cross rod 202 in the polishing roller 2, and by means of the elastic action of the flexible cross rod 202, when the length of the flexible cross rod 202 is larger than the radius size of an inner hole of the gear 10, the flexible cross rod 202 can deform slightly, so that the polishing piece 203 enters the inner hole of the gear, the flexible cross rod 202 deforms under stress at the moment, and meanwhile, the supporting force for outward expansion is applied to the polishing piece 203, and the polishing force is increased.
As shown in fig. 2, a slot 401 is disposed at the lower end of the clamping rod 4, the upper end of the rotating rod 201 is in interference connection with the slot 401, and the locking nut 3 is in threaded connection with the outer side of the clamping rod 4.
The parts on the two sides of the slot 401 are inwards concentrated and clamp the rotating rod 201 by using the locking nut 3, so that the polishing roller 2 is fixed, and the connection strength between the clamping rod 4 and the polishing roller 2 is improved.
Wherein, the rotating rod 201 is arranged coaxially with the gear 10.
According to the position of the gear 10, the position of the whole polishing mechanism is adjusted, so that the rotating rod 201 and the gear 10 are positioned on the same axis, the uniform stress of the side wall of the inner hole of the gear is ensured, and the polishing working efficiency and the polishing quality are improved.
In another embodiment of the present invention, a through hole 101 is disposed at the center of the worktable 1, and the inner diameter of the through hole 101 is larger than the inner diameter of the gear 10.
The through hole 101 with the inner diameter larger than the inner hole of the gear 10 is formed in the workbench 1, so that the polishing roller can conveniently and thoroughly process the inner hole of the gear, and the polishing work is smoother.
Further, an electric telescopic rod 11 is further arranged between the clamping rod 4 and the motor 5.
According to the position of the inner hole of the gear 10, the height of the polishing roller 2 is adjusted through the electric telescopic rod 11, and the working efficiency of the polishing roller 2 is improved; meanwhile, the position of the whole polishing mechanism is prevented from being adjusted by horizontal movement, and the polishing roller 2 and the gear 10 are ensured to be positioned on the same axis.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the technical field of the utility model belongs to the prerequisite of not deviating from the utility model discloses, can also make a plurality of equal substitution or obvious variants, performance or usage are the same moreover, all should regard as belonging to the utility model's scope of protection.
Claims (6)
1. The polishing device for the inner hole of the transmission gear is characterized by comprising a workbench (1), a clamping mechanism and a polishing mechanism, wherein the clamping mechanism and the polishing mechanism are arranged on the surface of the workbench (1), the polishing mechanism comprises a polishing roller (2) and a clamping rod (4) which are arranged above the clamping mechanism, the polishing roller (2) is connected onto the clamping rod (4) through a locking nut (3), the clamping rod (4) is driven by a motor (5), the clamping mechanism comprises two fixing blocks (6), a clamping block (7), an adjusting screw rod (8) and an adjusting wheel (9), a space for placing a gear (10) is formed between the two fixing blocks (6), one end of the adjusting screw rod (8) transversely penetrates through one of the fixing blocks (6) and is connected with the clamping block (7), and the other end of the adjusting screw rod (8) is connected with the adjusting wheel (9), and a tooth groove (701) which is attached to the outer side of the gear (10) is formed in the surface of one side of the clamping block (7).
2. The grinding and polishing device for the inner hole of the transmission gear is characterized in that the polishing roller (2) comprises a rotating rod (201), a flexible cross rod (202) and a polishing piece (203), wherein one end of the flexible cross rod (202) is connected with the rotating rod (201), and the other end of the flexible cross rod is connected with the polishing piece (203).
3. The grinding and polishing device for the inner hole of the transmission gear is characterized in that a slot (401) is formed in the lower end of the clamping rod (4), the upper end of the rotating rod (201) is in interference connection with the slot (401), and the locking nut (3) is in threaded connection with the outer side of the clamping rod (4).
4. A sanding device for internal bore of transmission gear according to claim 2 or 3, characterized in that said rotating rod (201) is arranged coaxially with said gear (10).
5. The grinding and polishing device for the inner hole of the transmission gear is characterized in that a through hole (101) is formed in the center of the workbench (1), and the inner diameter of the through hole (101) is larger than that of the gear (10).
6. The grinding and polishing device for the inner hole of the transmission gear is characterized in that an electric telescopic rod (11) is further arranged between the clamping rod (4) and the motor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020803830.9U CN212311716U (en) | 2020-05-14 | 2020-05-14 | Polishing device for inner hole of transmission gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020803830.9U CN212311716U (en) | 2020-05-14 | 2020-05-14 | Polishing device for inner hole of transmission gear |
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| Publication Number | Publication Date |
|---|---|
| CN212311716U true CN212311716U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020803830.9U Active CN212311716U (en) | 2020-05-14 | 2020-05-14 | Polishing device for inner hole of transmission gear |
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| CN (1) | CN212311716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131348A (en) * | 2021-12-28 | 2022-03-04 | 盐城泽华精工机械有限公司 | Agricultural machine gear machining device and machining method thereof |
-
2020
- 2020-05-14 CN CN202020803830.9U patent/CN212311716U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131348A (en) * | 2021-12-28 | 2022-03-04 | 盐城泽华精工机械有限公司 | Agricultural machine gear machining device and machining method thereof |
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