CN112893983A

CN112893983A - Electric handheld cutting machine

Info

Publication number: CN112893983A
Application number: CN201911225915.1A
Authority: CN
Inventors: 蒯素芹; 宋剑强
Original assignee: Changzhou Chuanghe Mechanical Equipment Co ltd
Current assignee: Changzhou Chuanghe Mechanical Equipment Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2021-06-04

Abstract

The invention discloses an electric handheld cutting machine which comprises a first shell, a handle and a saw blade, wherein the first shell is connected with a second shell through a fixed shaft connected with the upper end surface, a first sliding rail is arranged in the first shell, the right side of the second handle is connected with a telescopic ruler, a safety pin is connected below the second handle, a roller is connected in the second shell, a rotating wheel is arranged in the first shell, the rotating wheel and the second sliding rail are both penetrated through by a limiting shaft, a motor is arranged above the handle, and the upper end surface of the handle is connected with a central shaft. This electronic handheld cutting machine is provided with the first casing and the second casing of arc structure, utilizes the safety pin can be in the same place both inseparable fixes, when needs cutting pipe fitting, only needs hold the handle that is fixed, does not need bare-handed holding the pipe fitting, has just so avoided the sharp-pointed protrusion on pipe fitting surface to stab the user.

Description

Electric handheld cutting machine

Technical Field

The invention relates to the technical field of cutting machines, in particular to an electric handheld cutting machine.

Background

In modern buildings, decorations and daily life, the cutting machine is the most widely used cutting equipment, and is divided into a floor type cutting machine and a handheld type cutting machine according to the actual use environment and specification size of the cutting machine. The traditional hand-held cutting machine can only cut pipes with small pipe diameter and thin pipe walls, and a user has to hold a pipe fitting to be cut by bare hands. During the cutting process, the length to be cut must be marked before the cutting process can be performed. Therefore, there is a need for a handheld cutting machine that can cut large pipe diameters, thick pipe walls, and has the function of a gauge.

Disclosure of Invention

The invention aims to provide an electric hand-held cutting machine, which solves the problems that the cutting machine in the background technology can only cut pipes with smaller pipe diameter and thinner pipe wall, and a user needs to hold a pipe fitting to be cut by bare hands.

In order to achieve the purpose, the invention provides the following technical scheme: an electric hand-held cutting machine comprises a first shell, a handle and a saw blade, wherein a clamping groove is arranged on the lower end face of the first shell, a first handle is connected below the first shell, the first shell is connected with a second shell through a fixed shaft connected with the upper end face, a first sliding rail is arranged in the first shell, a lug is arranged on the lower end face of the second shell, a second handle is connected below the second shell, a telescopic ruler is connected to the right side of the second handle, a safety pin is connected below the second handle, a roller wheel is connected in the second shell, a rotating wheel is arranged in the first shell, the rotating wheel and the second sliding rail are both penetrated through by a limiting shaft, a switch is arranged on the left side of the handle, a second sliding rail is arranged on the upper surface of the handle, a motor is arranged above the handle, and the upper end face of the handle is connected with a central shaft, and the output end of the motor is connected with the central shaft, and the inside of the saw blade is penetrated by the central shaft.

Preferably, the first shell and the second shell are both arranged in an arc structure, and the first shell and the second shell form a rotating structure through a fixing shaft.

Preferably, the clamping groove and the projection are in clamping connection.

Preferably, the second handle and the safety pin form a rotating structure, and the safety pin and the first handle form a dismounting and mounting structure.

Preferably, the rollers, the first shell and the second shell form a rotating structure, and the number of the rollers is 4 symmetrically arranged about the central line of the fixed shaft.

Preferably, the handle forms a sliding structure with the limiting shaft through the second slide rail, and the handle forms a sliding structure with the first shell through the rotating wheel.

Compared with the prior art, the invention has the beneficial effects that: the electric hand-held cutting machine is provided with a cutting head,

1. the first shell and the second shell which are provided with arc structures can be tightly fixed together by utilizing the safety pin, when the pipe fitting needs to be cut, only the fixed handle needs to be held, the pipe fitting does not need to be held by bare hands, and therefore the sharp bulge on the surface of the pipe fitting is prevented from stabbing a user;

2. the handle capable of moving up and down and sliding left and right is arranged, when the pipe fitting with a thicker inner wall is cut, the handle can be pushed upwards to enable the saw blade to go deep into the pipe fitting, and the handle can be slid left and right to enable the saw blade to cut the outer surface of the pipe fitting evenly;

3. when the length of the cut pipe fitting needs to be measured, the telescopic ruler on the right side of the handle can be rotated to be parallel to the pipe fitting, and the required length can be directly cut without using an additional tool to measure the mark.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a right side view of the first housing of the present invention;

FIG. 3 is a left side view of the second housing of the present invention;

fig. 4 is a front view of the saw blade and motor assembly of the present invention.

In the figure: 1. a first housing; 2. a card slot; 3. a first handle; 4. a first slide rail; 5. a fixed shaft; 6. a second housing; 7. a bump; 8. a second handle; 9. a telescopic ruler; 10. a shear pin; 11. a roller; 12. a limiting shaft; 13. a handle; 14. a switch; 15. a second slide rail; 16. a rotating wheel; 17. a central shaft; 18. a saw blade; 19. an electric motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an electronic handheld cutting machine, including first casing 1, draw-in groove 2, first handle 3, first slide rail 4, fixed axle 5, second casing 6, lug 7, second handle 8, telescopic rule 9, safety pin 10, gyro wheel 11, spacing axle 12, handle 13, switch 14, second slide rail 15, the wheel 16 rotates, center pin 17, saw bit 18 and motor 19, first casing 1's lower terminal surface is provided with draw-in groove 2, and first casing 1's below is connected with first handle 3, fixed axle 5 and second casing 6 interconnect that first casing 1 passes through the up end connection, and first slide rail 4 has been seted up to first casing 1 inside, first casing 1 and second casing 6 all set up to the arc structure, and first casing 1 constitutes revolution mechanic through fixed axle 5 and second casing 6, conveniently place like this and fix the pipe fitting of required cutting.

The lower terminal surface of second casing 6 is provided with lug 7, and the below of second casing 6 is connected with second handle 8, and draw-in groove 2 and lug 7 are the block and connect, conveniently with the tight block of first handle 3 and second handle 8 together.

The right side of second handle 8 is connected with telescopic ruler 9, and the below of second handle 8 is connected with safety pin 10, and second handle 8 constitutes revolution mechanic with safety pin 10, and safety pin 10 constitutes with first handle 3 and dismantles the mounting structure, and when first handle 3 and the block of second handle 8 were in the same place, safety pin 10 had played fixed effect.

The inside of second casing 6 is connected with gyro wheel 11, the inside of first casing 1 is provided with rotates wheel 16, and rotates the inside of wheel 16 and second slide rail 15 and all run through by spacing axle 12, gyro wheel 11 all constitutes revolution mechanic with first casing 1 and second casing 6, and gyro wheel 11 is provided with 4 about the central line symmetry of fixed axle 5, and when the pipe fitting was cutting, the surface of pipe fitting rolled from the surface of gyro wheel 11, made the surface of pipe fitting can be by even cutting.

The left side of handle 13 is provided with switch 14, and second slide rail 15 has been seted up to the upper surface of handle 13, motor 19 is installed to the top of handle 13, and handle 13 up end is connected with center pin 17, and motor 19's output and center pin 17 interconnect, the inside of saw bit 18 is run through by center pin 17, handle 13 passes through second slide rail 15 and constitutes sliding structure with spacing axle 12, and handle 13 constitutes sliding structure through rotating wheel 16 and first casing 1, when cutting the pipe fitting, do not need to remove the pipe fitting like this, only need to move the surface of the cutting pipe fitting that handle 13 just can be even about moving from top to bottom.

The working principle is as follows: when the electric hand-held cutting machine is used, a pipe to be cut is placed on the outer surface of the roller 11, then the second shell 6 is rotated, the convex block 7 on the lower end face of the second shell 6 is clamped with the clamping groove 2 on the lower end face of the first shell 1, then the safety pin 10 below the second handle 8 is rotated, the first handle 3 and the second handle 8 are installed together, and therefore the pipe to be cut is fixed well.

Then, the switch 14 on the left side of the handle 13 is turned on, the handle 13 is rotated left and right, the saw blade 18 above the handle 13 slides from the surface of the pipe to cut, and when the inner wall of the pipe is thick, the handle 13 can be moved upwards, so that the saw blade 18 can go deep into the pipe to cut.

When the length of the cut pipe fitting needs to be measured, the telescopic ruler 9 on the right side of the second handle 8 can be rotated, so that the telescopic ruler 9 is parallel to the pipe fitting, an extra measuring tool mark does not need to be used, and the overall practicability is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An electric hand-held cutting machine comprising a first housing (1), a handle (13) and a saw blade (18), characterized in that: the lower end face of the first shell (1) is provided with a clamping groove (2), the lower part of the first shell (1) is connected with a first handle (3), the first shell (1) is connected with a second shell (6) through a fixed shaft (5) connected with the upper end face, a first sliding rail (4) is arranged in the first shell (1), the lower end face of the second shell (6) is provided with a lug (7), the lower part of the second shell (6) is connected with a second handle (8), the right side of the second handle (8) is connected with a telescopic ruler (9), the lower part of the second handle (8) is connected with a safety pin (10), the inner part of the second shell (6) is connected with a roller (11), the inner part of the first shell (1) is provided with a rotating wheel (16), and the rotating wheel (16) and the inner part of the second sliding rail (15) are penetrated through by a limiting shaft (12), the left side of handle (13) is provided with switch (14), and second slide rail (15) have been seted up to the upper surface of handle (13), motor (19) are installed to the top of handle (13), and handle (13) up end is connected with center pin (17) to the output and center pin (17) interconnect of motor (19), the inside of saw bit (18) is run through by center pin (17).

2. An electric hand-held cutting machine according to claim 1, characterized in that: the first shell (1) and the second shell (6) are both arranged to be arc-shaped structures, and the first shell (1) and the second shell (6) form a rotating structure through a fixed shaft (5).

3. An electric hand-held cutting machine according to claim 1, characterized in that: the clamping groove (2) and the bump (7) are connected in a clamping manner.

4. An electric hand-held cutting machine according to claim 1, characterized in that: the second handle (8) and the safety pin (10) form a rotating structure, and the safety pin (10) and the first handle (3) form a dismounting and mounting structure.

5. An electric hand-held cutting machine according to claim 1, characterized in that: the idler wheels (11), the first shell (1) and the second shell (6) form a rotating structure, and 4 idler wheels (11) are symmetrically arranged on the center line of the fixed shaft (5).

6. An electric hand-held cutting machine according to claim 1, characterized in that: the handle (13) and the limiting shaft (12) form a sliding structure through the second sliding rail (15), and the handle (13) and the first shell (1) form a sliding structure through the rotating wheel (16).