RU161819U1 - GRINDING MACHINE - Google Patents

Abstract

The claimed utility model relates to the agricultural machinery industry, and in particular to devices for sharpening cutting pairs of shearing machines.

The technical task of the utility model is to increase the quality of sharpening, increase productivity, reduce labor intensity, improve working conditions and prevent the separation of abrasive powder and mineral oil.

The technical result is achieved due to the fact that in the utility model, instead of an oil pump, a compressor with a discharge line is installed, in the lower part along the length of a deepened trough with a submerged grinding disc, constantly mixing the suspension to prevent separation of the abrasive powder and mineral oil. The disk at the time of passage in an oil-abrasive medium is abundantly wetted with a suspension, which is evenly distributed over the entire surface of the disk under the action of gravity and centrifugal forces.

Description

Grinding machine

The claimed utility model relates to the agricultural machinery industry, and in particular to devices for sharpening cutting pairs of shearing machines.

From the prior art, devices for sharpening and fine-tuning cutting pairs of disk-type shearing machines, such as TA-1, DAS-350, and inventions related to the field of machine tool and machine-building, also having an abrasive disk as a sharpened element, are known. Despite the obvious ease of use and simplicity of design, such devices have one significant drawback - local overheating of the blade due to the inconsistent supply of suspension to the disk, which renders the comb (knife) unusable due to the loss of the specified hardness by the material. In addition, the grinder in the process of work should almost always apply one hand with a brush to the disk a suspension (oil-abrasive mixture) from the trough, which affects the pressing of the holder with a comb or knife, and as a result, the device does not allow for high-quality sharpening of the cutting pair .

Closest to the claimed technical solution is the Utility Model Patent No. 136287 “Grinding Machine” (authors Morozov N.M. et al .; patent holder State Scientific Institution All-Russian Scientific Research Institute of Animal Husbandry Mechanization of the Russian Academy of Agricultural Sciences), where the grinding wheel is constantly an oil-abrasive slurry is applied due to the installed oil pump using a nozzle connected through a suction pipe to a trough-shaped container. The disadvantages include metal and energy intensity, design complexity, separation of abrasive powder and mineral oil.

The technical task of the utility model is to increase the quality of sharpening, increase productivity, reduce labor intensity, improve working conditions and prevent the separation of abrasive powder and mineral oil.

The technical result is achieved due to the fact that in the utility model, instead of the oil pump, a compressor is installed that allows you to constantly mix the oil-abrasive slurry in the trough. The level of the oil-abrasive slurry in the trough is sufficient to dip the bottom of the rotating grinding wheel so that the suspension is evenly distributed over the entire surface of the disk under the action of centrifugal forces.

The essence of the claimed utility model is illustrated in FIG. 1-2.

In figures 1 and 2 shows a General view of a utility model.

The utility model contains a frame 1 on which an electric motor 2 is installed. A grinding wheel 3 is mounted on the rotor shaft of the electric motor 2, ring risks are applied to its end surface to hold the oil-abrasive mixture. Vertical supports 4 are attached to the bed, on top of which compressor 5 is mounted. On the elongated shaft, on the opposite side of the disk, the drive pulley 6 of the compressor drive 5 is mounted. The driven pulley 7 is mounted on the compressor shaft. The rotation from the electric motor 2 to the compressor 5 is transmitted by the V-belt 8 . Through the discharge line 9, connecting the trough 10 with the compressor 5, air is constantly supplied, which mixes the oil-abrasive slurry 15. The grinding wheel 3 and the trough 10 are closed from the sides with a protective casing 11, eliminating spray vanie oil-abrasive slurry by centrifugal forces and facilitating its run off into the trough 10. Front housing 11 is mounted 12 allows via tie rods 13 to attach holder 14 with pins for fixing the comb (knife).

The claimed utility model works as follows. When the motor 2 is turned on simultaneously with the start of rotation of the grinding wheel 3, the drive pulley 6 drives the driven pulley 7 of the compressor 5 through the V-belt 8. The compressor 5 supplies air through the discharge line 9 with holes in the lower part of the trough 10 and, as a result, prevents separation abrasive powder and mineral oil. The grinding wheel 3, immersed in the trough 10, picks up the oil-abrasive slurry 15, which is evenly distributed on the end surface under the action of centrifugal forces.

A comb (knife), fixed in the holder 14, is brought to the grinding wheel 3 and is firmly pressed to it with both hands, at the same time, the flow of a uniform suspension 15 to the grinding wheel 3 is provided continuously.

The use of the utility model improves the quality of sharpening both by uniformly pressing the entire surface to be sharpened on the disk with two hands and eliminating local annealing of the blade, making the comb (knife) unusable due to the loss of the specified hardness by the material, continuous flow of a uniform suspension to the disk . The latter frees the grinder from this work, which earlier, practically throughout the entire process, applied the suspension to the disk with one hand with a brush, which did not exclude sharpening “dry” with local overheating of the blade, and only with the other hand could hold the holder with a sharpened knife or comb to the disk, which did not provide guaranteed uniform pressing across the entire machined surface.

The use of the utility model improves the quality of sharpening, increases productivity, reduces labor intensity, improves working conditions and prevents the separation of abrasive powder and mineral oil.

Information sources

1. A.S. 250679 USSR. Apparatus for sharpening cutting parts of shearing machines / O.G. Angileev and V.I. Krisyuk. - No. 1184721 / 25-8; Claim 09/01/1967; Publ. 08/12/1969; Bull. No. 26. - 2 p.: Ill.

2. A.S. 1227427 A1 USSR. MKI B24B 3/52. A method for sharpening cutting pairs of shearing machines and a device for its implementation / G.V. Sheronin, L.N. Alimpiev and M. - S.K. Magizov. - No. 3664402 / 25-08; Claim 08/24/1983; Publ. 04/30/1986; Bull. No. 16. - 4 p.: Ill.

3. A.S. 1641584 A1 USSR. MKI B24B 3/52. A method for sharpening cutting pairs of shearing machines and a device for its implementation / Ch.D. Zhamyanov and A.V. Maslakov. - No. 4676916/08; Claim 04/11/1989; Publ. 04/15/1991; Bull. No. 14.-4 p.: Ill.

4. Rybakov M.I., Polozov P.L. Complex mechanization of sheep breeding. - Alma-Ata: Kainar Publishing House, 1986. - 233 p.

5. Mirzoyants Yu.A., Firichenkov V.E., Zudin S.Yu. et al. Technology and technical means of shearing sheep / Monograph. - Kostroma, 2010 .-- 238 p., Ill.

6. Patent for utility model No. 136287. Sharpening apparatus / Morozov N.M. and etc.; patent holder State scientific institution All-Russian Scientific Research Institute of Animal Husbandry Mechanization of the Russian Academy of Agricultural Sciences. Publ. 01/10/2014. - 2 p.: Ill. - The prototype.

Claims (1)

A grinding machine containing a bed on which an electric motor is mounted with a grinding wheel mounted on its shaft, which is immersed in a trough with an abrasive-oil suspension, characterized in that it is equipped with a compressor with an air discharge line installed in the lower part along the length of the trough and ensuring a constant mixing the abrasive-oil suspension with the exception of its separation.

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