SU837891A1 - Diamond disc saw - Google Patents

Description

one

The invention relates to stone processing, in particular to diamond disc saws of predominantly large diameter, used on stone-cutting mining machines and stationary sawing machines for cutting stone, concrete and other similar materials.

Lime Knife Saw, containing body with removable cutting elements p T.

The disadvantages of the known designs of circular saws with removable cutting elements are related to the laboriousness of replacing worn cutting elements.

The closest to the proposed technical solution is diamond disk, predominantly for cutting stone, including a body, cutting elements with holes, a flexible body passing through the holes of the cutting elements and a circumflex circumference, and tension unit 2j.

The disadvantage of this device is the low operational reliability of the circular saw, since the cutting elements are made in the form of sleeves, mounted on a flexible tensioning device and placed in the grooves of the Saw Case. Such a design with the inevitable face beats of the saw leads to an intense abrasion of the flexible tensioning organ on the surface of the saw body, since the cutting elements are not fixed from lateral displacements.

The purpose of the invention is to increase the reliability of the circular saw.

In order to achieve this goal, a diamond circular saw is mainly used for cutting stones, including a body, cutting elements with holes, a flexible body that passes through the holes of the cutting elements and a bend around the periphery, and a tension unit, the body of the saw is made with a groove along the periphery , and the cutting elements - with a longitudinal protrusion, interacting with the groove of the body, and the flexible body is provided with a coating of elastic material.

FIG. 1 schematically shows a saw, a general view; in FIG. 2, node I in FIG. one; FIG. 3 is a section A-A in FIG. Ij in FIG. 4 is a section BB in FIG. 2; in fig. 5 is a cross section in FIG. 2;

Diamond disk saw for cutting stone and other building materials consists of body 1, a bend of organ 2, enveloping body 1 at the periphery, a set of diamond cutting elements 3 and a tension knot

Diamond cutting elements 3 are mounted on holders 5 that are identical to each other, with the exception of a pair of holders 6 of the tension assembly 4, which have a special design. The holders 5 have through holes 7 under the flexible organ 2 and guide protrusions in their tail, with which they enter groove 9, made around the periphery of the housing 1, Tension assembly 4. consists of a rod 10 with a square shoulder in the central part, the ends of the rod 10 have right and left threads and are screwed into the hinge inserts 11 of two adjacent holders in the tension assembly. The opposite ends of the holders 6 have deep grooves where the ends 2 of the flexible member 2 are inserted. For sealing the ends 12 in the slots. holders 6 in the end of the latter are crimping jaws 13. On the surface of the flexible body 2 there is a protective coating 14 made of elastic material, for example rubber

Saw preparation for work is carried out in the following order.

First, holders 5 with diamond cutting elements 3 are placed on the flexible body 2 with the required pitch depending on the conditions of the cutting mode. The ends 12 of the flexible organ 2 are embedded in the grooves of the holders 6 and crimped using crimping sleeves 14. The distance between adjacent holders 5 and 6 is fixed by a protective elastic coating 14, which can be done either by vulcanizing the flexible organ 2 (in successive sections)

either it is pushed onto the flexible element 2 in the form of individual elastic tubes, spaced (between holders 5 and 6 (the length of the tubes is chosen based on

5 required cutting element pitch). Then, the flexible body 2 with diamond cutting elements 3 is mounted on the body of the saw 1 by inserting the guide lugs 8 of the holders 5 and 6 into

10 groove 9. After that, the rod 10- is screwed into the hinge inserts 11 of the holders 6, thereby tensioning the flexible member 2. To prevent the rod 10 from unscrewing from the thread of the hinge inserts 1 during the long-term operation of the saw, the rod 10 can be fixed with a pin (not shown) . . . Some stretch flexible-organ 2

20 in the process of long-term operation of the saw blade is compensated by periodically pushing the flexible member 2 by means of a rod 10. In the case of increasing the diameters

25 diamond saw blades (over 2000mm) to ensure uniform tension of the flexible organ 2 over the entire ra. The barrel of the saw can have several () tension knots of the same design.

Diamond circular saw works as follows.

Rotating on the spindle of the machine and receiving the specified working feed, the saw comes into contact with the material being processed. In this case, the elements 3 carry out a sequential removal of the needles of a certain thickness, ensuring that the directional cutting is performed at the required depth within the limits of up to 35% of the saw diameter.

Due to the fact that the diamond saw blade was performed with holders for rezhun (elements equipped with through holes for a flexible organ and guiding ribs placed in the groove along the periphery of the body, it is possible to exclude transverse cuts; from the end beats of the saw due to the secure fixing of the cutting element holders in the groove of the saw body. In addition, the said groove ensures the coaxial alignment of all the cutting elements along the working periphery of the saw during tension of the flexible member. It allows you to use a stranded cable as a flexible organ (instead of a single-core wire in a prototype structure), which has much higher strength indicators than a single-core wire of the same diameter. Coating a flexible organ with an elastic material contributes to its reliable protection against abrasive effects of destruction products. The listed advantages of the proposed design ultimately provide an increase in the operating level by 20% while increasing its wear resistance by 10-12%. Form: 1 of the invention. Diamond saw blade mainly for cutting stone, including a 16 body, cutting elements with holes, a flexible body passing through the holes of the cutting elements and a circumferential body around the periphery, and a tension assembly, characterized in that In order to increase reliability, the saw body is made with a groove around the periphery, into each cutting element with a longitudinal protrusion entering the groove of the case. 2. Saw according to claim 1, characterized in that the flexible member is provided with a coating of elastic material. Sources of information taken during the examination 1. Author's certificate of the USSR 404638, cl. In 28 D 1/12, 1973. 2. USSR author's certificate No. 517498, cl. In 28 D 1/12, 1976 (prototype).

Claims (2)

Claim 1. Diamond disk pipa mainly for cutting stone, including a housing, cutting elements with holes, a flexible organ passing through the holes of the cutting elements and enveloping the housing along the periphery, and a tension unit, characterized in that, in order to increase reliability, the pipa housing made with a groove on the periphery, in each cutting element - with a longitudinal projection of a chair included in the groove of the body. 2. Saw the pop. 1, characterized in that the flexible body is provided with a coating of elastic material. fifteen , .