SU1074717A1 - Cutting unit - Google Patents

Abstract

CUTTING KNOTE, including base, shaft with axially movable circular saws, guides, having a housing mounted movably in a direction parallel to the axis of the shaft, inter saw blades, device for supplying a coolant-lubricant under pressure to the gap between the saw and the gasket and screw for pressing the gaskets to the base, characterized in that, in order to increase the accuracy of cutting materials and reduce the flow of lubricant-cooling medium by providing a minimum gap between the saw and the gaskets, the last They are mounted in the body of the guides with additional degrees of freedom relative to the vertical axis of symmetry and the horizontal axis of symmetry parallel to the disks of circular saws, and an elastic element is placed between the screw of the pressing and the gasket adjacent to it. (L 4

Description

The invention relates to sawmill equipment and can be used in the woodworking industry.

A known cutting assembly including a base, a shaft with axially movable circular saws and guides 1.

Also known is a cutting assembly comprising a base, a shaft with axially movable circular saws, guides, having a housing with movable shims mounted movably in a direction parallel to the axis of the shaft, a device for supplying a lubricant-coolant under pressure to the gap between the saw and the gasket, and a clamp screw gaskets to the base 2.

The disadvantages of the known cutting units are the low accuracy of the sawn timber and the increased consumption of the cooling lubricant through the increased gap between the saw and the gaskets.

The purpose of the invention is to improve the accuracy of the materials and to reduce the consumption of lubricating and cooling medium by ensuring the minimum gap between the saw and the gaskets.

This goal is achieved by those. that the gaskets are installed in the body of the directors with additional degrees of freedom relative to the vertical axis of symmetry and the horizontal axis of symmetry parallel to the disks of circular saws, and an elastic element is placed between the screw of the pressing and the gasket adjacent to it.

FIG. 1 shows a cutting assembly; abundance view; in fig. 2 - the same, top view; in fig. 3 - Direction with gasket; in fig. 4 is a fragment of a guide, section A-A in FIG. 3; in fig. 5 is the same section BB in FIG. 3

The cutting unit includes a base 1, a shaft 2, with axially movable circular saws 3, rotatable detachable guides having a body 4 with movably mounted in a direction parallel to the axis of the shaft 2 by inter-blade spacers 5. The bodies 4 are located on rods 6 fixed to the base 1 and fixed nuts 7.

The cutting unit of the rod 6 is provided with longitudinal flats and also has a device for supplying a lubricant-cooling medium under pressure to the gap between the saws 3 and the gaskets b. The device contains a collector 8, flexible pipes 9 with an end connection 10. Flexible pipes 9 pass through the housing 4 and are connected to the gaskets 5. The latter are provided with channels AND for the release of a lubricating and cooling medium to them.

The screws 12 serve to prevent the inter saw blades 5 from falling out, and are also the axes of the turning of the pads when they fit against the real surface of the saw blade. The thickness of the sawing strip 5 determines the distance between the saws (taking into account the broadening of the teeth, the crowd of the sawed boards).

For a quick change of the interplay strip 5, the body 4 has a sliding insert -13. The outer bodies 4 are provided with screws 14 for pressing the gaskets 5 in the direction of the base I. Elastic elements 15 (for example, springs) are placed between the screws 14 and the gaskets 5 adjacent to them.

The cutting unit works as follows.

The housings 4 are mounted on the legs of the 6 with a single lock formed by a hole in the housing, connected by a cut-out to the outer edge of the housing. The saws 3 are located on the shaft 2 between the spacers 5. The twisting moment — from the shaft 2 to the saws 3 is transmitted by means of a keyed joint.

After installation, the saws and guide bodies of the latter are clamped with nuts 7. The cooling lubricant flows under pressure from manifold 8 through conduit 9 into channels AND, and then between saws and gaskets, creating a certain gap. The gap is adjusted by screws 14 through the spring 15.

The use of the proposed cutting unit allows to increase the accuracy of sawing materials and to reduce the consumption of lubricant-cooling medium by providing a minimum gap between the saw and the corresponding inter saw blades. This gap is constantly maintained at the minimum necessary with regard to errors in the manufacture and preparation of circular saws.

Medium selection

Claims (1)

CUTTING UNIT, comprising a base, a shaft with axially movable circular saws, guides having a housing with movable mounted parallel to the axis of the shaft, saw blades, a device for supplying lubricant-cooling medium under pressure to the gap between the saw and the gasket, and a screw for compressing the gaskets to the base, characterized in that, in order to improve the accuracy of cutting materials and reduce the consumption of lubricating-cooling medium by ensuring a minimum clearance between the saw and gaskets, the latter installed They are enclosed in guides with additional degrees of freedom relative to the vertical axis of symmetry and the horizontal axis of symmetry parallel to the circular saw blades, and an elastic element is placed between the hold-down screw and the adjacent gasket. <g