CN217941999U

CN217941999U - Lofting cutting tool

Info

Publication number: CN217941999U
Application number: CN202220899777.6U
Authority: CN
Inventors: 滑龙龙; 李超; 范国帅; 孙智勇; 曹玉鑫
Original assignee: Shanghai Baoye Group Corp Ltd
Current assignee: Shanghai Baoye Group Corp Ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-12-02
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a lofting cutting tool, which comprises a first straight scale, a second straight scale, a first protractor, a second protractor, a rotary swing arm and a functional component; rotatory swing arm, first straight scale and second straight scale all locate between first protractor and the second protractor to be fixed in same point through the bearing, first straight scale, second straight scale and rotatory swing arm can use the bearing to be central horizontal rotation, and the one end at rotatory swing arm is established to the flexible cover of functional unit, and the functional unit includes lofting part and cutting element. The tool is simple to operate, can be used for installing different types of cutters to cut circular arcs with various radiuses and radians according to a cut object, can also be used for replacing the cutters with oil pens, accurately draws the circular arcs with various radiuses and radians, and greatly improves the working efficiency, the lofting and the manufacturing accuracy.

Description

Lofting cutting tool

Technical Field

The utility model relates to an engineering survey technical field, concretely relates to laying-out cutting tool.

Background

Circular arc laying-out is often used in the building industry, and regardless of building, ornamental material open circular hole, still electromechanical installation pipeline elbow department insulation board, aluminium skin unloading, these processes often can waste a large amount of manual works and can guarantee the preparation precision not necessarily, measure not accurate enough.

SUMMERY OF THE UTILITY MODEL

This technique provides a laying-out cutting tool, greatly improves work efficiency, laying-out and preparation precision.

In order to achieve the above object, the present invention provides the following technical solutions:

a lofting cutting tool comprises a first straight scale, a second straight scale, a first protractor, a second protractor, a rotary swing arm and a functional component; rotatory swing arm, first straight scale and second straight scale all locate between first protractor and the second protractor to be fixed in same point through the bearing, first straight scale, second straight scale and rotatory swing arm can use the bearing to be central horizontal rotation, and the one end at rotatory swing arm is established to the flexible cover of functional unit, and the functional unit includes lofting part and cutting element.

Preferably, all be equipped with the assorted draw-in groove on first straight scale and the second straight scale, two straight scales accessible draw-in grooves block together.

Preferably, the lofting component and the cutting component are both provided with a first bolt top clamp for fixing the lofting component and the cutting component on the rotary swing arm.

Preferably, the lofting part comprises a lofting part body and a painting brush fixed on one side of the lofting part body, and a first sleeve used for being sleeved on the rotary swing arm is arranged in the middle of the lofting part body.

Preferably, the painting brush is fixed on one side of the lofting part body through a second bolt top clip.

Preferably, the cutting component comprises a cutting component body and a cutting knife fixed on one side of the cutting component body, and a second sleeve used for being sleeved on the rotary swing arm is arranged in the middle of the cutting component body.

Preferably, the cutting knife is fixed on one side of the cutting part body through a perforated bolt.

Preferably, the first sleeve and the second sleeve are both rectangular in shape, and the length of the first sleeve is equal to the width of the rotary swing arm.

Preferably, one end of the rotary swing arm is provided with a handle.

Preferably, the first straight scale and the second straight scale are both provided with scales, and the first protractor and the second protractor are both 90 protractors.

The above technical solutions are only a feasible technical solution of the present invention, the protection scope of the present invention is not limited thereto, and those skilled in the art can reasonably adjust the specific design according to the actual needs.

Above-mentioned utility model has following advantage or beneficial effect:

the utility model discloses a lofting part and the cutting part of establishing are overlapped in a flexible way, can install the circular arc of various radiuses of different grade type cutter cutting and radian according to the object of cutting, also can trade the cutter for the oil pen, and the circular arc of various radiuses and radian is drawn out to the accuracy, greatly improves work efficiency, lofting and preparation precision.

Drawings

The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a schematic structural view of the lofting and cutting tool of the present invention;

FIG. 2 is a schematic view of another angle structure of the lofting and cutting tool of the present invention;

FIG. 3 is a schematic structural view of a lofting component of the present invention;

fig. 4 is a schematic structural diagram of the cutting member of the present invention.

Description of the drawings:

1-a first straight scale, 2-a second straight scale, 3-a first protractor, 4-a rotary swing arm, 5-a functional component, 6-a bearing, 7-a clamping groove, 8-a second protractor, 9-a first sleeve, 10-a first bolt top clamp, 11-a lofting component body, 12-a painting brush, 13-a second bolt top clamp, 14-a second sleeve, 15-a cutting component body, 16-a cutting knife, 17-a perforated bolt and 18-a handle.

Detailed Description

The structure of the present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

A lofting and cutting tool comprises a first straight scale 1, a second straight scale 2, a first protractor 3, a second protractor 8, a rotary swing arm 4 and a functional component 5; rotatory swing arm 4, first straight scale 1 and second straight scale 2 all locate between first protractor 3 and the second protractor 8 to be fixed in same point through bearing 6, first straight scale 1, second straight scale 2 and rotatory swing arm 4 can use bearing 6 as the central horizontal rotation, and the one end at rotatory swing arm 4 is established in the nimble cover of functional unit 5, and functional unit 5 includes lofting part and cutting part.

Preferably, all be equipped with assorted draw-in groove 7 on first straight scale 1 and the second straight scale 2, two straight scales accessible draw-in grooves 7 block together.

Preferably, the lofting part and the cutting part are both provided with a first bolt top card 10 for fixing the lofting part and the cutting part on the rotary swing arm 4.

Preferably, the lofting part comprises a lofting part body 11 and a painting brush 12 fixed on one side of the lofting part body 11, and a first sleeve 9 used for being sleeved on the rotary swing arm 4 is arranged in the middle of the lofting part body 11.

Preferably, the paintbrush 12 is fixed on one side of the lofting member body 11 through a second bolt top clip 13.

Preferably, the cutting component comprises a cutting component body 15 and a cutting knife 16 fixed on one side of the cutting component body 15, and a second sleeve 14 used for being sleeved on the rotary swing arm 4 is arranged in the middle of the cutting component body 15.

Preferably, the cutting blade 16 is fixed to the cutting member body 15 side by a perforated bolt 17.

Preferably, the first sleeve 9 and the second sleeve 14 are both rectangular in shape, with the length being the same as the width of the rotary oscillating arm 4.

Preferably, a handle 18 is arranged at one end of the rotary swing arm 4.

Preferably, the first straight scale 1 and the second straight scale 2 are both provided with scales, and the first protractor 3 and the second protractor 8 are both 90 protractors.

When the tool is used for circular arc lofting, a lofting part is sleeved on the rotary swing arm 4, according to the required circular arc radius, the rotary swing arm 4 is close to the straight scale, the scale marks on the lofting part are aligned with the scale marks of the straight scale, after the size is selected, the circular arc radius is locked when the bolt above the cutting part is screwed up and fixed, the painting brush 12 is inserted into a fixing hole in the lofting part, after the height is adjusted, the painting brush 12 is fixed, the center of the lofting circular arc circle is selected, the center of the circular arc of the tool is aligned with the selected center of the circle, and the rotary swing arm 4 is controlled to rotate to draw the required circular arc.

When the tool is used for arc cutting, the lofting component is replaced by the cutting component, and other steps are performed with arc lofting. The arc radian of lofting or cutting can be controlled according to two protractors.

The utility model has the advantages that:

1. the circular arc lofting or cutting efficiency is improved.

2. And the circular arc lofting or cutting precision is improved.

3. The cutting and lofting parts can be replaced at any time.

4. Meanwhile, the arc radian and the arc radius can be controlled.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention, and are not described herein.

The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.

Claims

1. A lofting cutting tool, characterized in that: the device comprises a first straight scale, a second straight scale, a first protractor, a second protractor, a rotary swing arm and a functional component;

rotatory swing arm, first straight scale and second straight scale all locate between first protractor and the second protractor to be fixed in same point through the bearing, first straight scale, second straight scale and rotatory swing arm can use the bearing to be central horizontal rotation, and the one end at rotatory swing arm is established to the flexible cover of functional unit, and the functional unit includes lofting part and cutting element.

2. The loft cutting tool of claim 1, wherein: all be equipped with the assorted draw-in groove on first straight scale and the second straight scale, two straight scale accessible draw-in grooves block together.

3. The loft cutting tool of claim 2, wherein: and the lofting component and the cutting component are respectively provided with a first bolt top clamp for fixing the lofting component and the cutting component on the rotary swing arm.

4. The loft cutting tool of claim 3, wherein: the lofting component comprises a lofting component body and a painting brush fixed on one side of the lofting component body, and a first sleeve used for being sleeved on the rotary swing arm is arranged in the middle of the lofting component body.

5. The loft cutting tool of claim 4, wherein: the painting brush is fixed on one side of the lofting part body through a second bolt top clamp.

6. The loft cutting tool of claim 5, wherein: the cutting part comprises a cutting part body and a cutting knife fixed on one side of the cutting part body, and a second sleeve used for being sleeved on the rotary swing arm is arranged in the middle of the cutting part body.

7. The loft cutting tool of claim 6, wherein: the cutting knife is fixed on one side of the cutting component body through a perforated bolt.

8. The loft cutting tool of claim 7, wherein: the first sleeve and the second sleeve are both rectangular in shape, and the length of the first sleeve is the same as the width of the rotary swing arm.

9. The loft cutting tool of claim 1, wherein: one end of the rotary swing arm is provided with a handle.

10. The loft cutting tool of claim 1, wherein: the first straight scale and the second straight scale are both provided with scales, and the first protractor and the second protractor are both 90 protractors.