CN219074589U - Tooth surface repairing grinding machine - Google Patents

Abstract

The utility model discloses a tooth surface restoration grinding machine, which comprises a grinding power head, wherein the grinding power head is provided with an adjusting device, the adjusting device is provided with a clamping and positioning device, and the clamping and positioning device comprises: the device comprises a positioning support pin and locking clamping pieces, wherein the locking clamping pieces are detachably connected to two ends of the positioning support pin, the upper part of the positioning support pin is detachably connected with an adjusting device, and the diameter of the positioning support pin is not smaller than the tooth groove width of a gear ring to be repaired. The device is convenient to hold and fix on the gear ring by positioning the supporting pin and the locking clamping piece.

Description

Tooth surface repairing grinding machine

Technical Field

The utility model relates to the technical field of engineering machinery repair, in particular to a tooth surface repair grinding machine.

Background

The large gear ring is mainly applied to a transmission part which is very critical in large heavy-duty engineering machinery. The working environment and working condition are very bad. The tooth surfaces often wear and tear to varying degrees during long periods of operation, thereby severely affecting gear mesh accuracy and reliability, even resulting in equipment downtime, delays in engineering progress and significant economic loss. At present, because the operation space for repairing is extremely limited, the repair cost for disassembling and returning to factories is extremely high, manual field material-increasing overlaying is usually adopted for reducing economic loss, and emergency repair is carried out by a method for recovering the rough profile and the precision of broken teeth through manual polishing. The broken teeth repaired by manual polishing have low tooth surface morphology contour precision, extremely high requirements on operators and extremely low repair efficiency.

The semi-automatic portable gear shaping and polishing device (publication No. CN 111922443A) is disclosed in China patent No. 11 and 13 in 2020, wherein an electric mechanism is adopted for position adjustment, a grinding wheel adopted by a polishing mechanism is a common sheet grinding wheel, and a U-shaped steel plate adopted by a fixing mechanism is fixed with a bolt. Because the U-shaped steel plate is integrally held on the outer side of the gear ring and then reinforced by the bolts, and the bolts are clamped in tooth grooves of the gear ring, when the gear ring is held by the fixing device, the fixing device is complex to install and needs to fasten a plurality of bolts, and when more than three teeth are needed to be spanned, the U-shaped steel plate with larger length is needed, so that the problem of weight increase of the U-shaped steel plate structure is solved, and meanwhile, due to the small contact area of the bolts and the tooth grooves, the situation that the fixing mechanism loosens and moves along the circumference of the gear ring possibly occurs in grinding, so that the grinding precision is influenced.

Disclosure of Invention

Aiming at the defects in the background technology, the utility model provides a tooth surface restoration grinding machine, which solves the problems of inconvenient fixing and holding and easy loosening in the prior art.

The technical scheme of the utility model is realized in such a way that the method comprises the following steps: grinding unit head, grinding unit head are equipped with adjusting device, adjusting device is equipped with clamping positioner, and clamping positioner includes: the positioning support pin and the locking clamping piece are detachably connected to two ends of the positioning support pin, the upper part of the positioning support pin is detachably connected with the adjusting device, and the positioning support pin is tangential to tooth surfaces on two sides of a position to be fixed.

Further, the adjusting device comprises an X-direction feeding module, a Y-direction feeding module and a Z-direction feeding module.

Further, the X-direction feeding module comprises a supporting plate, an X-direction guide rail is arranged on the supporting plate, an X-direction sliding block is arranged on the X-direction guide rail, and a support is connected to the X-direction sliding block.

Further, Y is to feeding the module and includes the support, is equipped with Y to the guide rail on the support, is equipped with Y to the slider on the Y to the guide rail, and Y is to the slider connection Y to the slip table, and Y is to the slip table connection Z to feeding the module.

Further, the Z-direction feeding module comprises a base, a screw is arranged on the base, a nut is movably connected to the screw, the nut is connected with a grinding power head, and a hand disc is arranged at one end of the screw.

Further, the grinding power head is connected with a profiling grinding wheel head.

Further, the clamping and positioning devices are two sets.

Further, the grinding power head is positioned in the middle of the two clamping positioning devices.

Further, the support plate is n-shaped.

The beneficial effects of the utility model are as follows: the device is convenient to hold and fix on the gear ring by positioning the supporting pin and the locking clamping piece. Secondly, the device is convenient to adjust in the three-dimensional direction by arranging the adjusting device. Thirdly, the profile grinding wheel head is adopted to repair the tooth surface conveniently and accurately. Fourth, through adopting two suit to press from both sides positioner, increased the number of teeth that each time fixed strides across, improved grinding efficiency. Fifthly, the grinding power head is positioned between the two clamping positioning devices, so that the grinding stability is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a perspective view of the present utility model, and fig. 2 is a perspective view of a clamping and positioning device of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and 2, a tooth surface restoration grinding machine includes: the grinding power head 5 is provided with an adjusting device, the adjusting device is provided with two sets of clamp positioning devices 1, and the grinding power head 5 is positioned in the middle of the two sets of clamp positioning devices 1. The clamping and positioning device 1 comprises: the two positioning support pins 6 are arranged in the middle, the grinding power head 5 positioned in the middle is perpendicular to the axial symmetry plane of the tooth to be repaired, and eccentric wear caused by offset of the grinding power head 5 is avoided. The grinding power head 5 is connected with a profiling grinding wheel head 8, and the profiling grinding wheel head 8 is a grinding wheel with the profile of the profile identical to the tooth shape of the gear ring to be ground.

The adjusting device comprises an X-direction feeding module 2, a Y-direction feeding module 3 and a Z-direction feeding module 4. The X-direction feeding module 2 comprises a supporting plate 9, the supporting plate 9 is n-shaped, an X-direction guide rail is arranged on the supporting plate 9, an X-direction sliding block is arranged on the X-direction guide rail, and a bracket is connected to the X-direction sliding block. The Y-direction feeding module 3 comprises a support, a Y-direction guide rail is arranged on the support, a Y-direction sliding block is arranged on the Y-direction guide rail and connected with a Y-direction sliding table, and the Y-direction sliding table is connected with the Z-direction feeding module 4. The Z-direction feeding module 4 comprises a base, a screw is arranged on the base, a nut is movably connected to the screw, the nut is connected with a grinding power head 5, and a hand disc is arranged at one end of the screw.

When the tooth-surface grinding device is used, the two positioning support pins 6 are firstly placed into different tooth grooves, then the tooth-surface grinding device is connected with the locking clamping pieces 7 to tighten the tooth ring, and then adjacent tooth surfaces can be ground one by one through the adjustment device.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (9)

1. A tooth face restoration grinding machine comprising: grinding unit head (5), grinding unit head are equipped with adjusting device, its characterized in that: the adjusting device is provided with a clamping and positioning device (1), and the clamping and positioning device (1) comprises: the positioning support pin (6) and the locking clamping piece (7), the locking clamping piece (7) can be detachably connected to two ends of the positioning support pin (6), the upper portion of the positioning support pin (6) can be detachably connected with the adjusting device, and the positioning support pin is tangential to tooth surfaces on two sides of a position to be fixed.

2. A tooth face restoration grinding machine as set forth in claim 1, wherein: the adjusting device comprises an X-direction feeding module (2), a Y-direction feeding module (3) and a Z-direction feeding module (4).

3. A tooth face restoration grinding machine as set forth in claim 2, wherein: the X-direction feeding module (2) comprises a supporting plate (9), an X-direction guide rail is arranged on the supporting plate (9), an X-direction sliding block is arranged on the X-direction guide rail, and a support is connected to the X-direction sliding block.

4. A tooth face restoration grinding machine as set forth in claim 2, wherein: the Y-direction feeding module (3) comprises a support, a Y-direction guide rail is arranged on the support, a Y-direction sliding block is arranged on the Y-direction guide rail and connected with a Y-direction sliding table, and the Y-direction sliding table is connected with a Z-direction feeding module (4).

5. A tooth face restoration grinding machine as set forth in claim 2, wherein: the Z-direction feeding module (4) comprises a base, a screw is arranged on the base, a nut is movably connected to the screw, the nut is connected with a grinding power head (5), and a hand disc is arranged at one end of the screw.

6. A tooth face restoration grinding machine as set forth in claim 2, wherein: the grinding power head (5) is connected with a profiling grinding wheel head (8).

7. A tooth face restoration grinding machine as set forth in claim 3, wherein: the clamping and positioning devices (1) are two sets.

8. The tooth face restoration grinding machine as set forth in claim 7, wherein: the grinding power head (5) is positioned in the middle of the two sets of clamp positioning devices (1).

9. A tooth face restoration grinding machine as set forth in claim 3, wherein: the support plate (9) is n-shaped.

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