CN210046385U

CN210046385U - Small-sized handheld metal cutting machine with shield

Info

Publication number: CN210046385U
Application number: CN201920480306.XU
Authority: CN
Inventors: 王威
Original assignee: Guangzhou Zewei Metal Machinery Co Ltd
Current assignee: Guangzhou Zewei Metal Machinery Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-02-11
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a take small-size handheld metal cutting machine of guard shield, including cutting blade, fixed semi-circular frame, cavity drum, drive case and biax motor, cutting blade installs inside and extend to fixed semi-circular frame lower extreme at fixed semi-circular frame, fixed semi-circular frame right-hand member suit activity arc frame, activity arc frame right side lower extreme fixed stop, the fixed cavity drum in fixed semi-circular frame rear end, the fixed drive case in cavity drum rear end, the inside biax motor that is equipped with of drive case, the fixed preceding pivot of biax motor front end, cavity drum, activity arc frame, fixed semi-circular frame and cutting blade are installed to preceding pivot annular outer end, the fixed rear shaft in biax motor rear end, rear shaft rear end installation fan wheel, beneficial effect lies in: rational in infrastructure increases cooling fan, is convenient for cool off the cutting blade.

Description

Small-sized handheld metal cutting machine with shield

Technical Field

The utility model relates to a cutting machine technical field especially relates to a take small-size handheld metal cutting machine of guard shield.

Background

The manual cutting and semi-automatic cutting modes are common in some small and medium-sized enterprises and even some large-sized enterprises in China, the semi-automatic cutting machine has simple functions and is only suitable for cutting parts with more regular shapes although the labor intensity of workers is reduced, and at present, a large number of small handheld metal cutting machines are used, so that the small handheld metal cutting machines are small in size and convenient to carry and can be used in narrow spaces.

In the road surface cutting machine with the publication number of CN208235293U, the cutting blade is cooled by conveying water through the water pump, and in the cooling mode, a driving mechanism, namely the water pump, is additionally arranged, so that the size is increased, and the water demand is larger, so that the road surface cutting machine is not suitable for small-sized cutting machines.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take small-size handheld metal cutting machine of guard shield just in order to solve above-mentioned problem, the utility model discloses rational in infrastructure increases cooling fan, is convenient for cool off the cutting blade.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a small-sized handheld metal cutting machine with a protective cover comprises a cutting blade, a fixed semicircular frame, a hollow cylinder, a driving box and a double-shaft motor, wherein the cutting blade is arranged inside the fixed semicircular frame and extends to the lower end of the fixed semicircular frame, the right end of the fixed semicircular frame is sleeved with a movable arc-shaped frame, the right lower end of the movable arc-shaped frame is fixed with a baffle plate, the rear end of the fixed semicircular frame is fixed with the hollow cylinder, the annular outer end of the hollow cylinder is sleeved with the movable arc-shaped frame, the rear end of the hollow cylinder is fixed with the driving box, the driving box is internally provided with the double-shaft motor, the front end of the double-shaft motor is fixed with a front rotating shaft, the annular outer end of the front rotating shaft is provided with the hollow cylinder, the movable arc-shaped frame, the fixed, the rear end of the driving box is provided with a connecting pipe, and the connecting pipe is arranged at the upper right end of the baffle.

So set up, biax motor work drives cutting blade and impeller simultaneously and rotates, and cutting blade rotates and realizes cutting the metalwork, and impeller work is convenient for drive the air flow to be convenient for carry the baffle with the air through the connecting pipe in and discharge, the exhaust cold air is convenient for carry out the forced air cooling to cutting blade, and the spark that reducible cutting blade during operation produced range that splashes.

Furthermore, a first round hole is formed in the front end of the movable arc-shaped frame, a front rotating shaft is arranged in the first round hole and connected with the movable arc-shaped frame through a bearing, and the movable arc-shaped frame can rotate around the front rotating shaft conveniently.

Furthermore, a second round hole is formed in the rear end of the movable arc-shaped frame, a hollow cylinder is arranged inside the second round hole and connected with the movable arc-shaped frame through a bearing, and the movable arc-shaped frame can rotate around the hollow cylinder conveniently.

Further, preceding pivot is connected with fixed semicircle frame and drive box respectively through the bearing, so set up, the rotation of the cutting blade of being convenient for is connected to the bearing.

Further, the screw hole is seted up to activity arc frame front end right position, the threaded hole inside is equipped with locking bolt, fixed semi-circular frame front end right position uses cutting blade axis to be the annular and evenly sets up two at least fixed orificess as the centre of a circle, locking bolt passes the screw hole and extends to the fixed orifices inside, so sets up, and locking bolt is convenient for lock fixed semi-circular frame and activity arc frame.

Furthermore, four air inlet holes are uniformly formed in the rear portion of the annular outer end of the driving box, the four air inlet holes are formed in the rear side of the double-shaft motor, the four air inlet holes are formed in the front side of the fan wheel, and therefore when the fan wheel works, air enters the driving box from the air inlet holes.

Furthermore, an air outlet is formed in the middle of the rear end of the driving box, the connecting pipe is installed inside the air outlet and extends to the rear end of the air outlet, and therefore when the fan wheel works, air enters the connecting pipe from the air outlet.

Furthermore, at least two exhaust pipes are uniformly arranged at the left end of the baffle plate, so that the at least two exhaust pipes can be respectively processed into different angles, and the air cooling and cooling of the cutting blade are facilitated.

Further, the fixed handle bar of cavity drum right-hand member, and suit rubber sleeve on the handle bar, and the handle bar is installed in the drive box front side, and the handle bar is installed in activity arc frame rear side, so sets up, and the personnel hold the handle bar, and the realization is right the utility model discloses grip to be convenient for carry out the cutting operation.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the double-shaft motor drives the cutting blade to rotate and simultaneously drives the fan wheel to rotate, so that the cutting blade is cooled by utilizing cold air generated by the operation of the fan wheel, and the spark splashing range generated when the cutting blade cuts a metal piece is conveniently reduced;

2. the extra baffle that increases has increased the scope of sheltering from to the spark, has improved and has sheltered from the effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a front view of a small handheld metal cutting machine with a shield according to the present invention;

FIG. 2 is a top view of a small handheld metal cutting machine with a shroud according to the present invention;

fig. 3 is a top cross-sectional view of a small handheld metal cutting machine with a shield according to the present invention.

The reference numerals are explained below:

1. a cutting blade; 2. fixing the semicircular frame; 3. a movable arc frame; 4. a baffle plate; 5. a front rotating shaft; 6. a handle bar; 7. a hollow cylinder; 8. a drive box; 9. a double-shaft motor; 10. a rear rotating shaft; 11. a fan wheel; 12. connecting pipes; 81. and air inlet holes.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings.

The first embodiment:

a small-sized hand-held metal cutting machine with a protective cover comprises a cutting blade 1, a fixed semicircular frame 2, a hollow cylinder 7, a driving box 8 and a double-shaft motor 9, wherein the cutting blade 1 is arranged in the fixed semicircular frame 2 and extends to the lower end of the fixed semicircular frame 2, the right end of the fixed semicircular frame 2 is sleeved with a movable arc-shaped frame 3, the right lower end of the movable arc-shaped frame 3 is welded with a fixed baffle 4, the middle position of the rear end of the fixed semicircular frame 2 is welded with the hollow cylinder 7, the annular outer end of the hollow cylinder 7 is sleeved with the movable arc-shaped frame 3, the rear end of the hollow cylinder 7 is welded with the driving box 8, the double-shaft motor 9 is arranged in the driving box 8, the front end of the double-shaft motor 9 is fixed with a front rotating shaft 5 through a bolt, the annular outer end of the, the rotating shaft 5 is movably connected with the hollow cylinder 7, the movable arc-shaped frame 3 and the fixed semicircular frame 2, the rear rotating shaft 10 is fixed at the rear end of the double-shaft motor 9, the fan wheel 11 is installed at the rear end of the rear rotating shaft 10 through a bolt, the fan wheel 11 is installed inside the driving box 8, the connecting pipe 12 is installed at the rear end of the driving box 8 in a welding mode, and the connecting pipe 12 is installed at the upper right end of the baffle 4.

Second embodiment:

the second embodiment differs from the first embodiment in that: a first round hole is formed in the front end of the movable arc-shaped frame 3, a front rotating shaft 5 is arranged inside the first round hole, the front rotating shaft 5 is connected with the movable arc-shaped frame 3 through a bearing, a second round hole is formed in the rear end of the movable arc-shaped frame 3, a hollow cylinder 7 is arranged inside the second round hole, the hollow cylinder 7 is connected with the movable arc-shaped frame 3 through a bearing, and the front rotating shaft 5 is connected with the fixed semicircular frame 2 and the driving box 8 through the bearing respectively.

Specifically, drive case 8, hollow cylinder 7 and fixed semi-circular frame 2 fixed connection, the 9 during operations of double-shaft motor, the 5 work of preceding pivot drive cutting blade 1 and rotate, because preceding pivot 5 is connected with activity arc frame 3, fixed semi-circular frame 2, hollow cylinder 7 and drive case 8 respectively through the bearing, so preceding pivot 5 is convenient for carry out relative rotation during this time.

The third embodiment:

the third embodiment differs from the first embodiment in that: four air inlet holes 81 are uniformly formed in the rear position of the annular outer end of the driving box 8, the four air inlet holes 81 are formed in the rear side of the double-shaft motor 9, the four air inlet holes 81 are formed in the front side of the fan wheel 11, an air outlet hole is formed in the middle position of the rear end of the driving box 8, and the connecting pipe 12 is installed inside the air outlet hole and extends to the rear end of the air outlet hole.

Specifically, when the fan wheel 11 is operated, air outside the driving box 8 enters the driving box 8 along the air inlet holes 81, and then enters the connecting pipe 12 along the air outlet holes under the driving action of the fan wheel 11, so that the air can flow conveniently.

The working principle is as follows: the personnel switch on the power supply of the double-shaft motor 9, and start the double-shaft motor 9 by using the control button, the double-shaft motor 9 works and drives the front rotating shaft 5 and the rear rotating shaft 10 to rotate, the front rotating shaft 5 rotates and drives the cutting blade 1 to rotate, the cutting blade 1 rotates and is convenient for cutting metal pieces, meanwhile, the rear rotating shaft 10 rotates to drive the fan wheel 11 to rotate, the fan wheel 11 rotates to drive the air to flow, so that the air outside the driving box 8 enters the driving box 8 along the air inlet hole 81, then enters the connecting pipe 12 along the air outlet under the driving action of the fan wheel 11, then flows into the baffle 4 along the connecting pipe 12, and the air is discharged from the exhaust pipe at the left lower end of the baffle 4, and the direction of sparks generated when the cutting blade 1 cuts the metal piece is blown, so that the temperature of the cutter and the workpiece can be reduced during cutting, the spark splashing range is reduced, and the use safety is improved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a take small-size handheld metal cutting machine of guard shield which characterized in that: including cutting blade (1), fixed semi-circular frame (2), cavity drum (7), drive case (8) and biax motor (9), cutting blade (1) is installed in fixed semi-circular frame (2) inside and is extended to fixed semi-circular frame (2) lower extreme, fixed semi-circular frame (2) right-hand member suit activity arc frame (3), activity arc frame (3) right side lower extreme fixed stop (4), fixed semi-circular frame (2) rear end fixed cavity drum (7), cavity drum (7) annular outer end suit activity arc frame (3), cavity drum (7) rear end fixed drive case (8), inside biax motor (9) that is equipped with of drive case (8), biax motor (9) front end fixed front shaft (5), preceding pivot (5) annular outer end installation cavity drum (7), Activity arc frame (3), fixed semi-circular frame (2) and cutting blade (1), fixed rear shaft (10) in biax motor (9) rear end, rear shaft (10) rear end installation impeller (11), impeller (11) are installed inside drive case (8), drive case (8) rear end installation is managed (12) even, even manage (12) and install in baffle (4) upper right end.

2. The small handheld metal cutting machine with the shield of claim 1, wherein: the front end of the movable arc-shaped frame (3) is provided with a first round hole, a front rotating shaft (5) is arranged inside the first round hole, and the front rotating shaft (5) is connected with the movable arc-shaped frame (3) through a bearing.

3. The small handheld metal cutting machine with the shield of claim 1, wherein: the rear end of the movable arc-shaped frame (3) is provided with a second round hole, a hollow cylinder (7) is arranged inside the second round hole, and the hollow cylinder (7) is connected with the movable arc-shaped frame (3) through a bearing.

4. The small handheld metal cutting machine with the shield of claim 1, wherein: the front rotating shaft (5) is respectively connected with the fixed semicircular frame (2) and the driving box (8) through bearings.

5. The small handheld metal cutting machine with the shield of claim 1, wherein: the utility model discloses a fixed semicircular frame (2) front end right position, including activity arc frame (3), threaded hole inside is equipped with locking bolt, fixed semicircular frame (2) front end right position uses cutting blade (1) axis to be the annular and evenly sets up two at least fixed orificess as the centre of a circle, locking bolt passes the threaded hole and extends to the fixed orifices inside.

6. The small handheld metal cutting machine with the shield of claim 1, wherein: four air inlet holes (81) are uniformly formed in the rear portion of the annular outer end of the driving box (8), the four air inlet holes (81) are formed in the rear side of the double-shaft motor (9), and the four air inlet holes (81) are formed in the front side of the fan wheel (11).

7. The small handheld metal cutting machine with the shield of claim 1, wherein: an air outlet is formed in the middle of the rear end of the driving box (8), and the connecting pipe (12) is installed inside the air outlet and extends to the rear end of the air outlet.

8. The small handheld metal cutting machine with the shield of claim 1, wherein: and the left end of the baffle (4) is uniformly provided with at least two exhaust pipes.

9. The small handheld metal cutting machine with the shield of claim 1, wherein: the handle rod (6) is fixed at the right end of the hollow cylinder (7), the rubber sleeve is sleeved on the handle rod (6), the handle rod (6) is installed on the front side of the driving box (8), and the handle rod (6) is installed on the rear side of the movable arc-shaped frame (3).