RU53209U1 - MILLING AND CUTTING SAW - Google Patents

Abstract

The utility model relates to the field of machine tools for woodworking, namely to circular saw machines. The end-cutting saw contains a bed 1 with a swinging electric motor 2 kinematically connected to the saw blade 3 and mounted on the turntable 8 with the possibility of tilting the saw blade 3. The saw is equipped with a nozzle 12 for collecting dust generated during sawing. Fixing the workpiece is carried out using the front stop 13 and the vertical clamp 14. In the table 8 there is a radial groove 15 with an insert for the entry of the saw blade 3 in its lowermost position. Using the utility model allows you to create a compact, convenient and safe to use multi-functional face-saws for cutting wooden, thin-sheet aluminum and plastic blanks at right and oblique angles, at an angle and for combined sawing.

Description

The utility model relates to the field of machine tools for woodworking, namely to circular sawing machines, and can be used for sawing wood, plastic and thin aluminum profiles.

As a prototype, a pendulum saw was selected that contains a bed with a mechanism for fixing the trimmed part and a swinging frame, on which there is a frame moving handle, a disk guard and an electric drive power button, as well as an electric drive and a saw blade kinematically connected with it, whose axis is parallel to the swing axis, [A.S. USSR No. 782997, cl. B 27 B 5/20, 1980].

The main disadvantages of the known machine are the cumbersome design, limited functional

opportunities (it can be used only for cross-cutting of workpieces), low convenience and safety in work.

The purpose of this utility model is to create a compact, convenient and safe multifunctional face-binder for cutting wooden, thin-sheet aluminum and plastic workpieces at right and oblique angles, at an angle and combined sawing

This goal is achieved by the fact that in a face-saw blade containing a bed with a mechanism for fixing the workpiece, a swinging motor with a kinematically connected saw blade, a handle and a disk casing, according to a utility model, the motor is mounted on a rotary table, the saw blade is communicated with a nozzle for a dust bag, while the mechanism for fixing the workpiece is made in the form of a frontal stop fixed to the bed with a retractable extension cord and one or more clamps, and in the table A radial groove is provided for the saw blade to enter in its lowest position.

For inclined cutting of the workpiece, the electric motor is equipped with a hinge, the axis of which is perpendicular to the axis of the saw blade.

For sawing a wide workpiece, an electric motor is mounted on the carriage. To enable cutting narrow workpieces

pendulum movement of the electric motor with a saw blade, the carriage is equipped with a stopper.

For ease of adjustment of the angle of rotation of the table on the side surface of the bed mating with the table, vertical grooves are made with a step corresponding to a given angle of rotation of the table, and the spring has a spring-loaded lever with the possibility of engaging with one of the grooves.

For safety and ease of use, the workpiece clamp is made in the form of a threaded clamp or in the form of a thrust rod with an eccentric clamp, which can be fixed both horizontally and vertically.

To hold a long workpiece, the bed is equipped with one or more retractable bearings.

A comparative analysis of the inventive face-miter saw with a prototype and with other solutions in the art shows that the set of features set forth in the patent formula is unknown from the existing level of technology, on the basis of which we can conclude that it meets the criterion of the utility model of "novelty."

The compliance of the proposed solution with the criterion of "industrial applicability" can be seen from the following example of a specific implementation of face-sawing.

The utility model is illustrated by a drawing in which a perspective view schematically shows a general view of a miter saw blade.

The list of symbols on the drawing:

1 - bed;

2 - electric motor;

3 - saw blade;

4 - handle;

5 - button;

6 - upper casing;

7 - a protective casing

8 - rotary table;

9 - thrust screw;

10 - lever;

11 - groove;

12 - pipe dust collection;

13 - frontal emphasis;

14 - a clamp;

15 - radial groove;

16 - frontal stop extension;

17 - hinge tilt saw;

18 - carriage;

19 - retractable support;

20 - a dust bag.

Face-cutting saw contains a bed 1, a swinging motor 2 with a kinematically connected saw blade 3, a handle 4 with a button 5, an upper casing 6 and a protective casing 7. The electric motor 2 is mounted on a rotary table 8 equipped with a mechanism for fixing a given rotation angle relative to beds in the form of a thrust screw 9 and a spring-loaded lever 10 that engages with vertical grooves 11, made with a certain step on the bed 1. In the end-miter saw tangentially lower part of the saw blade 3 along its rotation Nia a hole with a nozzle 12 for collecting dust generated during sawing. The workpiece fixation mechanism is made in the form of a frontal stop 13 and a vertical clamp 14, which is fixedly fixed relative to the bed 1, and a radial groove 15 is made in the table 8

with an insert for the entry of the saw blade 3 in its lowest position when transporting the saw.

For better fixation of a long workpiece, the front stop 13 is equipped with an extension 16.

For inclined sawing of the workpiece, the electric motor 2 is equipped with a hinge 17, the axis of which is perpendicular to the axis of the saw blade 3.

To ensure the possibility of cutting wide billets by horizontal movement of the saw blade 3, the electric motor 2 is mounted on the carriage 18 and is equipped with a locking pin.

For the convenience of sawing long workpieces, the bed is equipped with a retractable support 19.

The nozzle 12 is connected to a dust bag 20. To better remove dust, the nozzle 12 can be connected to a vacuum cleaner.

The work of face-miter saws is as follows.

Fix the frame 1 on the tabletop of the supporting structure (workbench or table). Connect the cord of the electric motor 2 to the network. Set the rotary table 8 and the motor 2 in the desired position. Clamp 14 is secured to the workpiece to be cut to the front stop 13. In this case, the carriage 18 is locked from

horizontal displacement pin. Press the trigger button 5 and gently lower the handle 4 of the electric motor 2 with a rotating saw blade 3 in the direction of the workpiece. The dust generated during sawing is thrown towards the nozzle 12 and collected in the bag 20. After sawing the workpiece, the saw blade 3 is completely stopped and the handle 4 is released.

When cutting a wide workpiece, the retainer pin of the carriage 18 is previously removed and the electric motor 2 with the saw blade 3 is started by the handle 4 by the workpiece. Lower the disc 3 to the lower position. Press the trigger button 5 and smoothly move along the carriage 18 the handle 4 of the motor 2 with a rotating saw blade 3 in the direction of the workpiece. After sawing the workpieces, the saw blade 3 is completely stopped and the handle 4 is released. At the end of the cutting of the wide workpieces, the carriage 18 is again fixed with a locking pin.

When cutting a long workpiece, extend the extension 16 of the front stop 13 and the support 19.

At the end of the work of the end-face saw, disconnect it from the network, disconnect it from the workbench, lower the saw blade 3 to its lowest position and fix it with a pin in the insert of the radial groove 15 of the table 8. This protects the saw blade 3 from possible damage and reduces the dimensions of the miter saw in the transport position.

Using the claimed utility model allows you to create a compact, convenient and safe to use multi-functional miter sawing for cutting wooden, thin-sheet aluminum and plastic blanks at right and oblique angles, at an angle and combined sawing.

Claims (8)

1. Face-miter saw containing a bed with a mechanism for fixing the workpiece and a swinging motor with a kinematically connected saw blade, a handle and a protective blade guard, characterized in that the motor is mounted on a rotary table, the saw blade is in communication with a nozzle for a dust bag, this mechanism for fixing the workpiece is made in the form of a frontal stop fixed to the bed with a retractable extension cord and one or more clamps, and a radial groove is made in the table for the saws to enter nth disk in its lowest position. 2. Face miter saw according to claim 1, characterized in that for inclined sawing of the workpiece, the electric motor is located on a hinge, the axis of which is perpendicular to the axis of the saw blade. 3. Face-miter saw according to claim 1, characterized in that the electric motor is mounted on a carriage equipped with a stopper, with the possibility of horizontal movement of the disk when sawing a wide workpiece and pendulum movement when sawing a narrow workpiece. 4. Face-miter saw according to claim 1, characterized in that vertical grooves are made on the side surface of the bed that mates with the table, with a pitch corresponding to the angle of rotation of the table, and a spring-loaded lever with the possibility of engaging with one of the grooves is installed on the latter. 5. Face-miter saw according to claim 1, characterized in that the workpiece clamp is made in the form of a thrust rod with an eccentric clamp. 6. Face miter saw according to claim 1, characterized in that the bed is equipped with one or more retractable bearings. 7. Face-sawing saw according to claim 1, characterized in that the nozzle for the dust bag is connected to a vacuum cleaner. 8. Face-miter saw according to claim 1, characterized in that the power button is located on the handle, and the latter is configured to adjust a convenient position.