CN220739624U - A handheld cutting machine - Google Patents

Abstract

The utility model belongs to the field of cutting tools, in particular to a handheld cutting machine, which aims at the problems that the existing cutting machine can generate large dust and fragments when cutting objects, and is inconvenient to collect and process the dust and fragments generated in the cutting process, so that the environment quality is polluted and the physical health of people is influenced.

Description

A handheld cutting machine

Technical Field

The utility model relates to the technical field of cutting tools, in particular to a handheld cutting machine.

Background technique

A cutting machine is a commonly used electric tool for cutting pipes, steel, plates, etc. A handheld cutting machine is a common plate and bar cutting equipment. Due to its easy operation, it is widely used in various industries such as engineering construction, metallurgy and automobile manufacturing, especially in the decoration construction of construction projects.

Existing cutting machines:

The patent document with announcement number CN210061627U discloses a handheld cutting machine "including a shell, an armrest, a switch assembly, a power source, and a cutter assembly connected to the power source through a transmission mechanism; the transmission mechanism includes a bracket assembly, a driving wheel connected to the power source, a driven wheel that rotates synchronously with the driving wheel through a transmission belt, a main shaft that can rotate synchronously with the driven wheel, a roller assembly for keeping the transmission belt tensioned, and a gear assembly connected to the main shaft, the gear assembly is connected to the cutter assembly; the bracket assembly includes a first bracket arranged near the driving wheel, a second bracket arranged near the driven wheel, and a third bracket for splicing and connecting the first bracket and the second bracket, the third bracket offsetting the adjustment assembly on the second bracket. The utility model has a simple structure, a reasonable layout design, low processing requirements, short assembly time, large cutting force, smooth cutting, high cutting efficiency, and can easily cut materials with higher hardness without slipping during cutting."

However, when the cutting machine workers cut objects, a lot of dust and debris will be generated. It is not convenient to collect and process the dust and debris generated during the cutting process, which not only pollutes the environmental quality, but also affects people's health.

Utility Model Content

The purpose of the utility model is to solve the shortcomings in the prior art that when people cut objects, a lot of dust and debris will be generated, which is inconvenient to collect and process the dust and debris generated during the cutting process, which not only pollutes the environmental quality but also affects people's health. A handheld cutting machine is proposed.

In order to achieve the above purpose, the utility model adopts the following technical solutions:

A handheld cutting machine comprises a shell, on which a first handle and a second handle are fixedly mounted, and two fixed frames are fixedly mounted on the shell, the same rotating shaft is rotatably mounted on the two fixed frames, and a rotating shaft is rotatably mounted on one of the fixed frames, a guard plate is rotatably mounted on the rotating shaft, and a cutting blade is fixedly mounted on the rotating shaft, a collecting box is fixedly mounted on the shell, and a placing plate and two supporting rods are fixedly mounted on one side of the collecting box, a through slot is opened on the other side of the collecting box, and a feeding port is fixedly mounted on the through slot, a cleaning mechanism is rotatably mounted on the inner wall of the collecting box, and a filter plate is fixedly mounted on the inner wall of the collecting box.

Preferably, a rotating rod is rotatably mounted on an inner wall of one side of the collecting box, and two fan blades are fixedly mounted on the rotating rod. A driving motor is fixedly mounted on the placement plate, and the output shaft of the driving motor is fixedly connected to the rotating rod.

Preferably, the cleaning mechanism includes a reciprocating screw, and the reciprocating screw is rotatably mounted on the inner wall of the collection box, a sliding rod is fixedly mounted on the inner wall of the collection box, and a threaded block is threadedly connected to the reciprocating screw, the threaded block is slidably mounted on the sliding rod, and a cleaning brush is fixedly mounted on the threaded block, and the cleaning brush is in contact with the filter plate.

Preferably, a first bevel gear is fixedly mounted on the output shaft of the driving motor, and the first bevel gear is meshed with a second bevel wheel and a fifth bevel gear, a first transmission shaft is fixedly mounted on the second bevel wheel, and the first transmission shaft is rotatably mounted on one of the support rods, a third bevel gear is fixedly mounted on one end of the first transmission shaft, and the third bevel gear is meshed with a fourth bevel gear, and the fourth bevel gear is fixedly mounted on the rotating shaft.

Preferably, a first sprocket is fixedly mounted on the rotating shaft, and the first sprocket is meshed with a first chain, the first chain is meshed with a second sprocket, and the second sprocket is fixedly mounted on the rotating shaft.

Preferably, a second transmission shaft is fixedly mounted on the fifth bevel gear, and the second transmission shaft is rotatably mounted on another support rod.

Preferably, a third sprocket is fixedly mounted on the other support rod, and the third sprocket is meshed with the second chain, the second chain is meshed with the fourth sprocket, and the fourth sprocket is fixedly mounted on the reciprocating screw rod.

In the utility model, the handheld cutting machine has the following beneficial effects:

Since a rotating rod and two fan blades are provided, the driving motor drives the rotating rod to rotate, and the rotating rod drives the two fan blades to rotate, so that the dust and debris generated during the cutting process are collected and processed;

Because the cleaning mechanism is provided, the reciprocating screw drives the threaded block to move, and the threaded block drives the cleaning brush a little, and the cleaning brush cleans the filter plate to prevent the filter plate from being blocked.

The utility model can realize the convenience of collecting and processing the dust and debris generated in the cutting process, thereby improving the environmental quality and also improving people's health.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic cross-sectional view of a handheld cutting machine proposed by the present invention;

FIG2 is an enlarged structural diagram of part A of a handheld cutting machine proposed by the present invention;

FIG3 is a schematic structural diagram of an enlarged portion B of a handheld cutting machine proposed by the present invention.

In the figure: 1, shell; 2, first handle; 3, second handle; 4, fixed frame; 5, rotating shaft; 6, guard plate; 7, cutting blade; 8, rotating shaft; 9, collecting box; 10, support rod; 11, placement plate; 12, driving motor; 13, rotating rod; 14, fan blade; 15, filter plate; 16, sliding rod; 17, reciprocating screw rod; 18, threaded block; 19, cleaning brush; 20, first bevel gear; 21, second bevel wheel; 22, first transmission shaft; 23, third bevel gear; 24, fourth bevel gear; 25, first sprocket; 26, first chain; 27, second sprocket; 28, fifth bevel gear; 29, second transmission shaft; 30, third sprocket; 31, second chain; 32, fourth sprocket.

Detailed ways

The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

Embodiment 1

Referring to Figures 1 to 3, a handheld cutting machine includes a shell 1, on which a first handle 2 and a second handle 3 are fixedly mounted, and two fixed frames 4 are fixedly mounted on the shell 1, on which the same rotating shaft 5 is rotatably mounted, and on one of the fixed frames 4 a rotating shaft 8 is rotatably mounted, on which a guard plate 6 is rotatably mounted, and on which a cutting blade 7 is fixedly mounted, a collecting box 9 is fixedly mounted on the shell 1, and a placing plate 11 and two supporting rods 10 are fixedly mounted on one side of the collecting box 9, a through groove is opened on the other side of the collecting box 9, and a feeding port is fixedly mounted on the through groove, a cleaning mechanism is rotatably mounted on the inner wall of the collecting box 9, and a filter plate 15 is fixedly mounted on the inner wall of the collecting box 9.

In the utility model, a second transmission shaft 29 is fixedly mounted on the fifth bevel gear 28 , and the second transmission shaft 29 is rotatably mounted on another support rod 10 .

In the utility model, a first sprocket 25 is fixedly mounted on the rotating shaft 8 , and the first sprocket 25 is meshed with a first chain 26 , and the first chain 26 is meshed with a second sprocket 27 , and the second sprocket 27 is fixedly mounted on the rotating shaft 5 .

In the present invention, a third sprocket 30 is fixedly mounted on the other support rod 10 , and the third sprocket 30 is meshed with a second chain 31 , the second chain 31 is meshed with a fourth sprocket 32 , and the fourth sprocket 32 is fixedly mounted on the reciprocating screw rod 17 .

In the utility model, a first bevel gear 20 is fixedly mounted on the output shaft of the driving motor 12, and the first bevel gear 20 is meshed with a second bevel gear 21 and a fifth bevel gear 28, a first transmission shaft 22 is fixedly mounted on the second bevel gear 21, and the first transmission shaft 22 is rotatably mounted on one of the support rods 10, a third bevel gear 23 is fixedly mounted on one end of the first transmission shaft 22, and the third bevel gear 23 is meshed with a fourth bevel gear 24, and the fourth bevel gear 24 is fixedly mounted on the rotating shaft 8.

In the utility model, the cleaning mechanism includes a reciprocating screw 17, and the reciprocating screw 17 is rotatably mounted on the inner wall of the collection box 9, a slide bar 16 is fixedly mounted on the inner wall of the collection box 9, and a threaded block 18 is threadedly connected to the reciprocating screw 17, the threaded block 18 is slidably mounted on the slide bar 16, and a cleaning brush 19 is fixedly mounted on the threaded block 18, and the cleaning brush 19 is in contact with the filter plate 15.

In the utility model, a rotating rod 13 is rotatably mounted on the inner wall of one side of the collecting box 9 , and two fan blades 14 are fixedly mounted on the rotating rod 13 . A driving motor 12 is fixedly mounted on the placing plate 11 , and the output shaft of the driving motor 12 is fixedly connected to the rotating rod 13 .

In the utility model, the staff manually picks up the cutting machine, the driving motor 12 is started, the driving motor 12 drives the first bevel gear 20 to rotate, the first bevel gear 20 drives the second bevel gear 21 to rotate, the second bevel gear 21 drives the first transmission shaft 22 to rotate, the first transmission shaft 22 drives the third bevel gear 23 to rotate, the third bevel gear 23 drives the fourth bevel gear 24 to rotate, the fourth bevel gear 24 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the first sprocket wheel 25 to rotate, the first sprocket wheel 25 drives the second sprocket wheel 27 to rotate through the first chain 26, the second sprocket wheel 27 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the cutting blade 7 to rotate, and cutting is performed. The driving motor 12 drives the rotating rod 13 to rotate, and the rotating rod 13 drives the two fan blades 14 to rotate, so as to collect and process the dust and debris generated in the cutting process, and the first bevel gear 20 drives the fifth bevel gear 28 to rotate, and the fifth bevel gear 28 drives the second transmission shaft 29 to rotate, and the second transmission shaft 29 drives the third sprocket 30 to rotate, and the third sprocket 30 drives the fourth sprocket 32 to rotate through the second chain 31, and the fourth sprocket 32 drives the reciprocating screw rod 17 to rotate, and the reciprocating screw rod 17 drives the threaded block 18 to move, and the threaded block 18 drives the cleaning brush 19 to move, and the cleaning brush 19 cleans the filter plate 15 to prevent the filter plate 15 from being blocked.

Embodiment 2

The difference between this embodiment and the first embodiment is that a water gun is fixedly installed on the shell 1, and the water gun is fixedly connected to a water pipe, and the water pipe is fixedly connected to a water pump. When cutting, the cutting blade 7 will generate high temperature, and the water pump transports water to the water gun through the water pipe. The water gun sprays the cutting blade 7 to cool down the cutting blade 7 and increase the service life of the cutting blade 7.

The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, according to the technical solution and utility model concept of the utility model, shall be covered by the protection scope of the utility model.

Claims (7)

1. A handheld cutting machine, comprising a shell (1), characterized in that a first handle (2) and a second handle (3) are fixedly mounted on the shell (1), and two fixed frames (4) are fixedly mounted on the shell (1), the same rotating shaft (5) is rotatably mounted on the two fixed frames (4), and a rotating shaft (8) is rotatably mounted on one of the fixed frames (4), a guard plate (6) is rotatably mounted on the rotating shaft (5), and a cutting blade (7) is fixedly mounted on the rotating shaft (5), a collecting box (9) is fixedly mounted on the shell (1), and a placing plate (11) and two supporting rods (10) are fixedly mounted on one side of the collecting box (9), a through groove is opened on the other side of the collecting box (9), and a feeding port is fixedly mounted on the through groove, a cleaning mechanism is rotatably mounted on the inner wall of the collecting box (9), and a filter plate (15) is fixedly mounted on the inner wall of the collecting box (9). 2. A handheld cutting machine according to claim 1, characterized in that a rotating rod (13) is rotatably mounted on the inner wall of one side of the collection box (9), and two fan blades (14) are fixedly mounted on the rotating rod (13), and a driving motor (12) is fixedly mounted on the placement plate (11), and the output shaft of the driving motor (12) is fixedly connected to the rotating rod (13). 3. A handheld cutting machine according to claim 2, characterized in that the cleaning mechanism includes a reciprocating screw (17), and the reciprocating screw (17) is rotatably mounted on the inner wall of the collection box (9), a sliding rod (16) is fixedly mounted on the inner wall of the collection box (9), and a threaded block (18) is threadedly connected to the reciprocating screw (17), the threaded block (18) is slidably mounted on the sliding rod (16), and a cleaning brush (19) is fixedly mounted on the threaded block (18), and the cleaning brush (19) is in contact with the filter plate (15). 4. A handheld cutting machine according to claim 3, characterized in that a first bevel gear (20) is fixedly mounted on the output shaft of the drive motor (12), and the first bevel gear (20) is meshed with a second bevel wheel (21) and a fifth bevel gear (28), a first transmission shaft (22) is fixedly mounted on the second bevel wheel (21), and the first transmission shaft (22) is rotatably mounted on one of the support rods (10), a third bevel gear (23) is fixedly mounted on one end of the first transmission shaft (22), and the third bevel gear (23) is meshed with a fourth bevel gear (24), and the fourth bevel gear (24) is fixedly mounted on the rotating shaft (8). 5. A handheld cutting machine according to claim 4, characterized in that a first sprocket (25) is fixedly mounted on the rotating shaft (8), and the first sprocket (25) is meshed with a first chain (26), the first chain (26) is meshed with a second sprocket (27), and the second sprocket (27) is fixedly mounted on the rotating shaft (5). 6. A handheld cutting machine according to claim 5, characterized in that a second transmission shaft (29) is fixedly mounted on the fifth bevel gear (28), and the second transmission shaft (29) is rotatably mounted on another support rod (10). 7. A handheld cutting machine according to claim 6, characterized in that a third sprocket (30) is fixedly mounted on the other support rod (10), and the third sprocket (30) is meshed with a second chain (31), the second chain (31) is meshed with a fourth sprocket (32), and the fourth sprocket (32) is fixedly mounted on the reciprocating screw rod (17).