CN109877395B - Gear grinding device capable of achieving circumferential positioning in gear pair - Google Patents
Gear grinding device capable of achieving circumferential positioning in gear pair Download PDFInfo
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- CN109877395B CN109877395B CN201910165937.7A CN201910165937A CN109877395B CN 109877395 B CN109877395 B CN 109877395B CN 201910165937 A CN201910165937 A CN 201910165937A CN 109877395 B CN109877395 B CN 109877395B
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- grinding
- gear
- telescopic connecting
- grinding wheel
- shaft
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Abstract
The invention discloses a gear polishing device capable of realizing circumferential positioning in gear alignment, which structurally comprises a polishing body, chucks and a chassis, wherein the chucks are arranged on the periphery of the outer surface of the polishing body, the grinding body is fixedly welded on the chassis, a plurality of grinding wheel grooves, a round shaft and telescopic connecting rods are arranged in the grinding body, four telescopic connecting rods with the same structure and size are welded on the circumferential surface of the round shaft, the inner side of the position where the inner wall of the grinding body is matched with the telescopic connecting rods comprises a limiting clamping ring, an auxiliary extracting part and a grinding wheel, and the four telescopic connecting rods matched with the circular shaft of the invention, wherein a sector disc is arranged between every two telescopic connecting rods, a chuck is respectively matched between the sector discs, and each sector disc is mutually matched, and the chuck, the circular shaft and the telescopic connecting rod can realize automatic calibration and positioning so as to ensure that the circumferential positioning before gear grinding is accurate enough.
Description
Technical Field
The invention relates to the field of gear manufacturing, in particular to a gear grinding device which can achieve circumferential positioning in gear pair.
Background
With the development of scientific technology in China, the equipment level is improved, the requirement on the precision of a gear transmission part is higher and higher, and the hard-tooth-surface high-precision gear is widely applied. The application of the gear grinding machine tool as mainstream core process equipment for machining the high-precision and hard tooth surface gear is also increasingly popularized. Generally, gear grinding is a tooth profile finish machining process of gear parts, and is a tooth profile finish machining process for grinding and removing finish machining allowance on the basis of finishing a tooth profile rough machining (such as hobbing, gear milling and the like) process, heat treatment and the like so as to further improve the gear precision and the surface quality. Due to the special shape of the gear parts, the grinding wheel must be ensured to be aligned with the tooth socket of the gear blank at the initial entering position during grinding, namely, the gear tooth socket to be ground must be circumferentially positioned (namely, the gear tooth is aligned).
If the circumferential positioning of the workpiece before gear grinding is inaccurate, the grinding amount on two sides of the tooth socket is uneven, and a serious grinding wheel directly impacts the tooth surface to grind the workpiece, even the precision of a machine tool is lost; and the circumferential positioning deviation directly influences the tooth side allowance of subsequent gear grinding, so that the actual gear grinding needs to be considered according to the side with large allowance, the radial feeding frequency is increased, and the machining efficiency is reduced.
Disclosure of Invention
In order to solve the problems, the invention provides a gear grinding device which can achieve circumferential positioning in gear pair.
In order to achieve the purpose, the invention is realized by the following technical scheme: a gear grinding device capable of achieving circumferential positioning in gear centering structurally comprises a grinding body, chucks and a chassis, wherein the chucks are installed on the periphery of the outer surface of the grinding body, the grinding body is fixedly welded on the chassis, a plurality of grinding wheel grooves, a round shaft and telescopic connecting rods are arranged in the grinding body, four telescopic connecting rods with the same structure and size are welded on the periphery of the round shaft, a limiting clamping ring, an auxiliary extracting part and a grinding wheel are arranged on the inner side of the position, matched with the telescopic connecting rods, of the inner wall of the grinding body, the limiting clamping ring is fixed on the telescopic connecting rods respectively, the auxiliary extracting part is fixed on one end of the grinding wheel and one end of the round shaft, each telescopic connecting rod is matched with five grinding wheels respectively, the round shaft is of a double-layer structure, the inner layer is a solid shaft center body, and pressure springs are movably matched in two sides of the outer end of the shaft center body respectively, the pressure spring is of a sealed structure, and the grinding body is formed by movably matching four fan-shaped discs with identical structures.
As a further improvement of the invention, the grinding wheel grooves are equally divided into four equal parts, and the gap between every two grinding wheel grooves is provided with a telescopic connecting rod.
As a further improvement of the invention, a chuck is arranged in each sector disc matched with the two telescopic connecting rods, and the chuck is matched with the grinding wheel groove.
As a further improvement of the invention, a grinding wheel is arranged inside the grinding wheel groove, and a notch penetrating through the grinding wheel is arranged in the grinding wheel groove.
As a further improvement of the invention, the telescopic connecting rod is formed by mechanically connecting two telescopic shafts and rollers, wherein one end of each telescopic shaft is welded with the limiting clamping ring, and the other end of each telescopic shaft is connected to the outer side of the pressure spring through a semicircular lug.
As a further improvement of the invention, the auxiliary extraction piece comprises a pull lug and a locking shaft, the pull lug forms an inverted T-shaped structure, and the horizontal straight end of the pull lug is in threaded fit with the locking shaft.
As a further improvement of the invention, the locking shaft is fixed in contact with the grinding wheel.
Compared with the prior art, the invention has the following beneficial effects:
1. the four telescopic connecting rods matched with the circular shaft are provided with one sector disc between every two telescopic connecting rods, the sector discs are matched with one chuck, the sector discs are matched with each other, and the chucks, the circular shaft and the telescopic connecting rods can realize automatic calibration and positioning so as to ensure that the circumferential positioning of the gear before gear grinding is accurate enough.
2. The invention utilizes the double-layer structure design of the circular shaft, the pressure spring arranged on the outer layer of the circular shaft is required to be arranged in a grinding body before the gear is positioned, and the pressure spring compressed by the gear provides tensile stress for the telescopic connecting rod, so that the telescopic connecting rod is changed into a V shape from a horizontal state, the sector disc is pulled, the grinding wheel in the sector disc is enabled to be matched with the tooth grooves of the gear, and the deformation is stopped until the grinding wheel contacts the gear, thereby ensuring the consistency of the tooth side allowance and improving the processing efficiency.
3. The grinding wheel is detached for cleaning after being used for a certain number of times, and the abraded fragments can remain on the grinding wheel during polishing, and if the subsequent polishing is influenced by irregular cleaning, the grinding wheel is matched with the auxiliary extracting piece, and when the sector disc is pulled at the chuck, the grinding wheel on the sector disc can be detached conveniently.
4. The invention combines the telescopic connecting rod with the sector disc and the pressure spring to be matched together, wherein two telescopic shafts in the telescopic connecting rod are matched with a roller, thereby providing a buffer condition for the change of the form of the telescopic connecting rod when the pressure spring is extruded, and avoiding the damage of the telescopic connecting rod when the form is changed instantly to cause the error of the paired teeth.
Drawings
Fig. 1 is a schematic structural view of a gear grinding device which can achieve circumferential positioning in gear pairing according to the invention.
Fig. 2 is a schematic internal perspective view of the present invention.
Fig. 3 is a schematic view of the internal plan structure of the present invention.
Fig. 4 is a schematic cross-sectional internal structure of the present invention.
In the figure: the grinding machine comprises a grinding body 1, a chuck 2, a chassis 3, a grinding wheel groove 11, a round shaft 12, a telescopic connecting rod 13, a limiting clamp ring a, an auxiliary extracting piece b, a grinding wheel c, a pressure spring 121, a shaft core body 122, a telescopic shaft 13a, a semicircular buckle 13b, a pull lug b1 and a locking shaft b 2.
Detailed Description
In order to make the technical means, the creation features, the achievement objects and the effects of the invention easy to understand, fig. 1 to 4 schematically show the structure of the gear grinding device according to the embodiment of the invention, and the invention is further described below with reference to the specific embodiment.
Examples
As shown in fig. 1-4, the invention provides a gear grinding device with a gear pair fully positioned circumferentially, the structure of the gear grinding device comprises a grinding body 1, chucks 2 and a chassis 3, the chucks 2 are all installed on the periphery of the outer surface of the grinding body 1, the grinding body 1 is fixedly welded on the chassis 3, a grinding wheel groove 11, a round shaft 12 and a telescopic connecting rod 13 are arranged in the grinding body 1, a plurality of grinding wheel grooves 11 are arranged, four telescopic connecting rods 13 with the same structure and size are welded on the circumferential surface of the round shaft 12, a limiting collar a, an auxiliary extracting piece b and a grinding wheel c are arranged on the inner side of the matching position of the inner wall of the grinding body 1 and the telescopic connecting rods 13, the limiting collar a is respectively fixed on the telescopic connecting rods 13, the auxiliary extracting piece b is fixed on one end of the grinding wheel c and one end of the round shaft 12, and five grinding wheels c are respectively matched on each telescopic connecting rod 13, the circular shaft 12 has a double-layer structure, wherein the inner layer is a solid shaft body 122, compression springs 121 are movably matched in two sides of the outer end of the shaft body 122 respectively, the compression springs 121 are of a sealed structure, and the grinding body 1 is formed by movably matching four fan-shaped discs with identical structures.
The grinding wheel grooves 11 are equally divided into four parts, and telescopic connecting rods 13 are arranged at the gap positions between every two grinding wheel grooves.
A chuck 2 is arranged in each sector disc matched with the two telescopic connecting rods 13, and the chuck 2 is matched with the grinding wheel groove 11.
A grinding wheel c is arranged inside the grinding wheel groove 11, and a notch penetrating through the grinding wheel c is formed in the grinding wheel groove 11.
The telescopic connecting rod 13 is formed by mechanically connecting two telescopic shafts 13a in a matching manner with rollers, wherein one end of each telescopic shaft 13a is welded with the limiting clamping ring a, and the other end of each telescopic shaft 13a is connected to the outer side of the pressure spring 121 through a semicircular buckling lug 13 b.
The auxiliary extracting piece b comprises a pull lug b1 and a locking shaft b2, the pull lug b1 forms an inverted T-shaped structure, and the horizontal straight end of the pull lug b1 is in threaded fit with the locking shaft b 2.
The locking shaft b2 is fixed in contact with the grinding wheel c.
The working principle of the gear grinding device in the above technical scheme is explained as follows:
the invention is mainly installed on a gear grinding machine tool, and mainly relates to a gear manufacturing technology, because a special tooth aligning device is not basically arranged on a small and medium-scale gear grinding machine, a grinding wheel can only be manually operated by an operator to approach a workpiece to carry out circumferential positioning of the workpiece through visual inspection judgment in the work process, based on the technical scheme, the grinding body 1 is mainly internally provided with a gear, when the gear is placed in the grinding body, the axis of the gear is matched with a circular shaft 12, because the circular shaft 12 adopts a double-layer structure design, the axis of the gear is contacted with an outer layer to continuously compress a pressure spring 121 along with the propulsion, so that an included angle between telescopic connecting rods 13 fixed by the pressure spring 121 is continuously reduced, a V-shaped shape is formed, a sector disc connected with the telescopic connecting rods 13 is indirectly contacted with a gear tooth groove along with the grinding wheel c, when the grinding wheel c is sufficiently matched with the gear, the circular shaft 12 is in a, if the grinding wheel c cannot be matched with the gear tooth groove, the circular shaft 12 cannot rotate, and at the moment, an operator can easily judge that the primary grinding wheel c cannot be matched with the gear tooth groove, so that the operator needs to make adjustment;
if, the round shaft 12 can be constantly deepened and always rotate, then when the round shaft 12 is deep, the circumferential positioning of the gear and the grinding wheel c is completed, when the circumferential positioning is completed, the grinding wheel c and the sector disc move in the same direction continuously and inwards to reduce the allowance on the tooth side of the gear mainly through the form change of the telescopic connecting rod 13, the circumferential positioning of the tooth socket of the gear can be automatically calibrated, meanwhile, the allowance on the tooth side can be consistent, the processing efficiency and the damage rate are improved, the defects of manual positioning are overcome, and the cost problem caused by mechanical positioning is reduced.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a gear grinding device that satisfies circumference location in gear pair tooth, its structure includes grinding body (1), chuck (2), chassis (3), its characterized in that:
the periphery of the outer surface of the grinding body (1) is provided with the chucks (2), the grinding body (1) is fixedly welded on the chassis (3), a plurality of grinding wheel grooves (11), a circular shaft (12) and telescopic connecting rods (13) are arranged in the grinding body (1), and the periphery of the circular shaft (12) is welded with the four telescopic connecting rods (13) with the same structure and size;
the inner wall of the grinding body (1) and the inner side of the position where the telescopic connecting rod (13) is matched with each other comprise a limiting clamping ring (a), an auxiliary extracting piece (b) and a grinding wheel (c), the limiting clamping rings (a) are fixed on the telescopic connecting rods (13) respectively, the auxiliary extracting piece (b) is fixed at one end of the grinding wheel (c) and one end of a circular shaft (12), each telescopic connecting rod (13) is matched with five grinding wheels (c) respectively, the circular shaft (12) is of a double-layer structure, the inner layer of the circular shaft is a solid shaft core body (122), pressure springs (121) are movably matched in two sides of the outer end of the shaft core body (122) respectively, the pressure springs (121) are of a sealed structure, and the grinding body (1) is formed by movably matching four fan-shaped discs of the same structure.
2. The gear grinding apparatus of claim 1, wherein the gear grinding apparatus is adapted to achieve circumferential positioning of the gear pair, and further comprising: the grinding wheel grooves (11) are equally divided into four parts, and telescopic connecting rods (13) are arranged at the gap positions between every two grinding wheel grooves.
3. A gear grinding apparatus satisfying circumferential positioning in gear pair teeth according to claim 1 or 2, characterized in that: and a chuck (2) is arranged in one sector disc matched with the two telescopic connecting rods (13), and the chuck (2) is matched with the grinding wheel groove (11).
4. The gear grinding apparatus of claim 3, wherein the gear grinding apparatus is adapted to achieve circumferential positioning of the gear pair, and further comprising: a grinding wheel (c) is arranged inside the grinding wheel groove (11), and a notch penetrating through the grinding wheel (c) is formed in the grinding wheel groove (11).
5. The gear grinding device according to claim 2, wherein the gear grinding device is adapted to achieve circumferential positioning of the gear pair, and further comprises: the telescopic connecting rod (13) is formed by mechanically connecting two telescopic shafts (13a) in a matching manner with rollers, wherein one end of each telescopic shaft (13a) is welded with the limiting clamping ring (a), and the other end of each telescopic shaft is connected to the outer side of the pressure spring (121) through a semicircular buckling lug (13 b).
6. The gear grinding apparatus of claim 1, wherein the gear grinding apparatus is adapted to achieve circumferential positioning of the gear pair, and further comprising: the auxiliary extracting piece (b) comprises a pulling lug (b1) and a locking shaft (b2), the pulling lug (b1) forms an inverted T-shaped structure, and the horizontal straight end of the pulling lug (b1) is in threaded fit with the locking shaft (b 2).
7. The gear grinding apparatus of claim 6, wherein the gear grinding apparatus is adapted to achieve circumferential positioning of the gear pair, and further comprising: the locking shaft (b2) is fixedly contacted with the grinding wheel (c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165937.7A CN109877395B (en) | 2019-03-06 | 2019-03-06 | Gear grinding device capable of achieving circumferential positioning in gear pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165937.7A CN109877395B (en) | 2019-03-06 | 2019-03-06 | Gear grinding device capable of achieving circumferential positioning in gear pair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109877395A CN109877395A (en) | 2019-06-14 |
| CN109877395B true CN109877395B (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910165937.7A Expired - Fee Related CN109877395B (en) | 2019-03-06 | 2019-03-06 | Gear grinding device capable of achieving circumferential positioning in gear pair |
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| CN (1) | CN109877395B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000071121A (en) * | 1998-08-28 | 2000-03-07 | Seiwa Tekko Kk | Honing process method for gear, and toothed dresser used for it |
| CN2714219Y (en) * | 2004-06-02 | 2005-08-03 | 千文机械工业股份有限公司 | Spiral bevel gear manufacturing machine |
| KR100929045B1 (en) * | 2009-07-28 | 2009-11-26 | 디티알주식회사 | The cutter to process the ring gear of the gearbox |
| CN105935816A (en) * | 2015-12-19 | 2016-09-14 | 綦江祥和机械有限公司 | Triangular chuck for gear machining |
| CN208100145U (en) * | 2018-01-11 | 2018-11-16 | 福斯罗轨道服务（昆山）有限公司 | A kind of polishing grinding wheel for high-speed railway rail grinding machine |
| CN109366293A (en) * | 2018-09-07 | 2019-02-22 | 安徽省含山县兴建铸造厂 | A kind of grinding device of vehicle cylinder cap cast member |
-
2019
- 2019-03-06 CN CN201910165937.7A patent/CN109877395B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000071121A (en) * | 1998-08-28 | 2000-03-07 | Seiwa Tekko Kk | Honing process method for gear, and toothed dresser used for it |
| CN2714219Y (en) * | 2004-06-02 | 2005-08-03 | 千文机械工业股份有限公司 | Spiral bevel gear manufacturing machine |
| KR100929045B1 (en) * | 2009-07-28 | 2009-11-26 | 디티알주식회사 | The cutter to process the ring gear of the gearbox |
| CN105935816A (en) * | 2015-12-19 | 2016-09-14 | 綦江祥和机械有限公司 | Triangular chuck for gear machining |
| CN208100145U (en) * | 2018-01-11 | 2018-11-16 | 福斯罗轨道服务（昆山）有限公司 | A kind of polishing grinding wheel for high-speed railway rail grinding machine |
| CN109366293A (en) * | 2018-09-07 | 2019-02-22 | 安徽省含山县兴建铸造厂 | A kind of grinding device of vehicle cylinder cap cast member |
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|---|---|
| CN109877395A (en) | 2019-06-14 |
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| TA01 | Transfer of patent application right | ||
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Effective date of registration: 20200826 Address after: 250200 East head of Dongchang Avenue, Chengdong Industrial Park, Zhangqiu District, Jinan City, Shandong Province Applicant after: SHANDONG HAILI TRANSMISSION MACHINERY MANUFACTURING Co.,Ltd. Address before: 362300 Lujiang Industrial Zone, Liucheng Office, Quanzhou City, Fujian Province Applicant before: NAN'AN TIANCHOU MACHINERY TRADING Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20201002 Termination date: 20210306 |