CN211029617U

CN211029617U - Dressing roller

Info

Publication number: CN211029617U
Application number: CN201921452874.5U
Authority: CN
Inventors: 肖拥军
Original assignee: Henan Sthength Diamond Products Co ltd
Current assignee: Henan Sthength Diamond Products Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-07-17
Anticipated expiration: 2029-09-03

Abstract

The utility model provides a dressing roller, which comprises a roller body, wherein the roller body is provided with a working surface, the working surface comprises a cylindrical surface and two end surfaces of the cylindrical surface, the working surface is provided with a wear-resistant layer, and the cylindrical surface is close to the area of the end surfaces and the area wear-resistant layers of the two end surfaces, which are close to the cylindrical surface, are composed of CVD materials; the wear resistant layer in the rest area of the working surface consists of diamond particles. The CVD material is CVD strips, the CVD strips at two ends of the cylindrical surface are arranged in a crossed manner with the CVD strips at the adjacent end surfaces, and the number of the CVD strips at the two ends of the cylindrical surface is proportional to that of the end surfaces. And C, a CVD (chemical vapor deposition) superhard material is adopted as a wear-resistant layer material on a common working surface, so that the wear-resistant layer material is not easy to damage, and the service life of the whole trimmed gear can be prolonged. The proportional cross arrangement of the CVD strips can keep the service life of various working surfaces basically consistent, reduce the cost and easily discharge abrasive dust.

Description

Dressing roller

Technical Field

The utility model belongs to the machining field, concretely relates to maintain gyro wheel.

Background

The grinding wheel is a tool which is used for carrying out large-batch forming grinding processing on parts with high efficiency and high precision. The dressing roller is a tool for grinding and shaping the grinding wheel. The ceramic grinding wheel is shaped and dressed through a dressing roller wheel arranged on a grinding machine, and parts are ground after the grinding wheel is shaped, so that the contour and the precision size of the dressing roller wheel are copied to the surface of the part to be machined through the grinding wheel.

In order to increase the life of the grinding wheel, a diamond wear layer is often provided on the working surface of the grinding wheel. For grinding wheels, the working surface is also divided into regular work and occasional work. Surfaces that work frequently wear out more easily and have a shorter life.

SUMMERY OF THE UTILITY MODEL

The utility model provides an improve life's repairment gyro wheel.

The purpose of the utility model is realized with the following mode: a dressing roller comprises a roller body, wherein a working surface is arranged on the roller body and comprises a cylindrical surface and two end surfaces of the cylindrical surface, a wear-resistant layer is arranged on the working surface, and the wear-resistant layer of the cylindrical surface in an area close to the end surfaces and the wear-resistant layers of the two end surfaces in an area close to the cylindrical surface are made of CVD materials; the wear resistant layer in the rest area of the working surface consists of diamond particles.

The CVD material is CVD strips, the CVD strips at two ends of the cylindrical surface are arranged in a crossed manner with the CVD strips at the adjacent end surfaces, and the number of the CVD strips at the two ends of the cylindrical surface is proportional to that of the end surfaces.

The CVD strips are uniformly distributed at the two ends of the cylindrical surface and the peripheral areas of the edges of the two end surfaces of the cylindrical surface along the circumference; the CVD strips are arranged in parallel with each other.

The intersection of the cylindrical surface and the two end surfaces is provided with a fillet; one end of the CVD strip is also provided with a corresponding fillet.

The utility model has the advantages that: the CVD superhard material is adopted as the wear-resistant layer material on the common working surface, so that the wear-resistant layer material is not easy to damage, and the service life of the whole dressing roller can be prolonged. The proportional cross arrangement of the CVD strips can keep the service life of various working surfaces basically consistent, reduce the cost and easily discharge abrasive dust.

Drawings

Fig. 1 is a cross-sectional view of a dressing roller.

Fig. 2 is an enlarged view of a portion a of fig. 1.

FIG. 3 is a schematic of an end-face CVD strip layout.

FIG. 4 is a schematic view of the arrangement of cylindrical CVD stripes.

Wherein, 1 is the roller body, 2 is the centre bore, 3 is the cylinder, 4 is the face of cylinder, 5 is the terminal surface, 6 is the CVD wearing layer, 7 is the diamond wearing layer, 8 is the CVD strip.

Detailed Description

As shown in fig. 1-4, the dressing roller comprises a roller body 1, a working surface is arranged on the roller body 1, the working surface comprises a cylindrical surface 4 and two end surfaces 5 of the cylindrical surface 4, and a wear-resistant layer is arranged on the working surface. The mutually adjacent zone wear layers on the cylindrical surface 4 and the two end surfaces 5 are composed of CVD materials and are CVD wear layers 6. The wear resistant layer of the rest area of the working surface consists of diamond particles and is a diamond wear resistant layer 7. Of course, the diamond wear layer may be absent, depending on the application. The areas close to the cylindrical surfaces at the two ends close to the cylindrical surfaces 4 and the two end surfaces 5 on the end surfaces 5, namely the edge circumferential areas of the end surfaces 5, are common working surfaces which are easy to wear, the common working surfaces and the common working surfaces all adopt the same wear-resistant layer, and once worn, the whole dressing roller needs to be replaced. The CVD superhard material is adopted as the wear-resistant layer material on the common working surface, so that the wear-resistant layer material is not easy to damage, and the service life of the whole dressing roller is prolonged under the condition of adapting the cost. CVD material is a superhard material formed by a chemical vapour deposition process. The diamond particles herein refer to ordinary diamond particles. The CVD material is harder than ordinary diamond particles.

The CVD material is CVD strips 8, the CVD strips 8 at two ends of the cylindrical surface 4 are arranged in a crossed mode with the CVD strips 8 of the end surface 5 adjacent to the cylindrical surface, and the number of the CVD strips 8 at two ends of the cylindrical surface 4 and the number of the CVD strips 8 of the end surface 5 are proportional. The CVD strips 8 are uniformly and regularly arranged and are arranged in a crossed mode, and ground scraps are easy to discharge. The number ratio of the CVD stripes 8 at the two ends of the cylindrical surface 4 and the CVD stripes 8 at the end surface 5 adjacent to the cylindrical surface is determined according to the actual situation. If more cylindrical surfaces 4 are used, the cylindrical surfaces 4 will have a greater number of CVD stripes 8 than end faces. For example, two CVD strips 8 are arranged in parallel on the cylindrical surface 4, and one CVD strip 8 is arranged at a position of the end surface 5 adjacent to the two CVD strips 8; then the position of the CVD strips 8 on the staggered end surface of the cylindrical surface 4 is provided with two parallel CVD strips 8, and the two parallel CVD strips 8 are circulated in sequence, so that the cylindrical surface 4 and the CVD strips 8 on the end surface 5 are arranged in a 2:1 crossed manner. Therefore, the proportional arrangement can ensure that the service lives of various working surfaces are basically kept consistent, prolong the service life of the dressing roller and reduce the cost.

The CVD strips 8 are uniformly distributed at two ends of the cylindrical surface 4 and the edge peripheral areas of two ends 5 of the cylindrical surface 4 along the circumference; the CVD-strips 8 are arranged parallel to each other. The CVD strip 8 may be of various sizes as desired. Fillets are arranged at the intersection of the cylindrical surface 4 and the two end surfaces 5; one end of the CVD strip 8 is also provided with a corresponding round angle. In the embodiment shown in fig. 1-4: a center hole 2 is formed in the center of a roller body 1 and used for installing a trimming roller on a rotating shaft, so that the trimming roller rotates to trim a grinding wheel. The middle position of the roller body 1 is provided with a concentric cylinder 3 with larger diameter, the circumferential surface of the cylinder 3 is a cylindrical surface 4, and the radial surface is an end surface 5. The working surfaces are a cylindrical surface 4 and two end surfaces 5. The thickness X width X length of the CVD strip 8 on the cylindrical surface 4 is 0.6X 0.8X 3 mm; the CVD strip 8 on the end face 5 has a thickness X width X length of 0.6X 2 mm. The curvature of one end of both CVD strips 8 corresponds to the radius. The short CVD bars 8 in fig. 3 are actually projections of the CVD bars 8 of the cylindrical surface with corresponding portions of the rounded corners. The short CVD strip 8 in fig. 4 is a projection of the arc portion of the long CVD strip 8 in fig. 3. The number of CVD-strips 8 on one side of the cylindrical surface 4 is half the number of CVD-strips 8 on the same side end-face 5. The roller body 4 may be of an alloy material and the CVD strip 8 is provided on the roller body by a sintering process. A circumferential body with a diameter of 170 mm, a total of 720 CVD strips 8 being uniform in the circumferential direction. The dressing roller in the embodiment can be used for dressing gears, scroll bars and other parts, and has a wide application range. During specific implementation, the dressing roller is installed on a machine tool through a rotating shaft, the dressing roller rotates to process a corresponding grinding wheel, and the corresponding part is dressed by the grinding wheel.

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.

Claims

1. The utility model provides a dressing roller, includes the gyro wheel body, sets up the working face on the gyro wheel body, and the working face sets up wearing layer, its characterized in that including two terminal surfaces of face of cylinder and face of cylinder on the working face: the areas of the cylindrical surface close to the end surfaces, and the wear-resistant layers of the areas on the two end surfaces close to the cylindrical surface are made of CVD materials; the wear resistant layer in the rest area of the working surface consists of diamond particles.

2. The dressing roller of claim 1, wherein: the CVD material is CVD strips, the CVD strips at two ends of the cylindrical surface are arranged in a crossed manner with the CVD strips at the adjacent end surfaces, and the number of the CVD strips at the two ends of the cylindrical surface is proportional to that of the end surfaces.

3. The dressing roller of claim 2, wherein: the CVD strips are uniformly distributed at the two ends of the cylindrical surface and the peripheral areas of the edges of the two end surfaces of the cylindrical surface along the circumference; the CVD strips are arranged in parallel with each other.

4. The dressing roller of claim 2, wherein: fillets are arranged at the intersection of the cylindrical surface and the two end surfaces; one end of the CVD strip is also provided with a corresponding fillet.