Cantilever structure of cutting machine

Abstract

The utility model discloses a cutting machine cantilever structure which comprises an installation part connected with an installation position, a cantilever connected with the installation part through a pivoting structure and a driving motor, the driving motor is connected with the cantilever, and an output shaft of the driving motor is connected with a cutting knife. A reset piece is arranged at a pivoting shaft of the pivoting structure, and the two ends of the reset piece act on the mounting piece and the cantilever respectively so that the cantilever can reset after being pressed downwards. Compared with the prior art, the cutting device has the advantages that the structure is simple, the torsion spring is additionally arranged between the cantilever and the mounting piece, the cantilever can be pressed downwards when cutting is needed, and when the cantilever is not needed, the torsion spring can reset by making contact with pressure applied to the cantilever, namely, a cutting piece is far away from a workpiece.

Description

Technical Field

[0001] The utility model belongs to the field of processing equipment, and in particular relates to a cantilever structure of a cutting machine. Background Art

[0002] Cutting machine, also known as grinding wheel saw, is suitable for construction, hardware, petrochemical, mechanical metallurgy and water and electricity installation departments. Cutting machine is a common equipment that can cut metal square flat tubes, square flat steel, I-beams, channel steel, carbon steel, tubes and other materials. The existing cutting machine is mainly composed of a series motor, a transmission mechanism, a base, a grinding wheel, etc. The base of the existing cutting machine is very heavy and difficult to carry. When cutting is not needed, the cutting blade needs to be lifted manually, which is very cumbersome. Utility Model Content

[0003] In order to solve at least one of the above-mentioned technical problems, the utility model provides a cantilever structure of a cutting machine, including a mounting part connected to a mounting position, a cantilever connected to the mounting part through a pivot structure, and a driving motor, wherein the driving motor is connected to the cantilever, and the output shaft of the driving motor is connected to the cutting knife; a reset part is provided at the pivot axis of the pivot structure, and the two ends of the reset part respectively act on the mounting part and the cantilever to realize the reset of the cantilever after being pressed down.

[0004] The mounting member is provided with a first pivot hole, the cantilever is provided with a second pivot hole, and the pivot shaft passes through the first pivot hole and the second pivot hole respectively. A connecting member is also included, the connecting member includes a first connecting portion that cooperates with the inner wall of the second pivot hole and a second connecting portion located between the cantilever and the mounting member, and a third through hole that cooperates with the pivot shaft is provided in the connecting member. A limiting member is also included, the limiting member is provided with a fourth through hole that cooperates with the pivot shaft, and the limiting member is provided with an installation entrance that cooperates and communicates with the fourth through hole. A notch is provided on the inner wall of the fourth through hole. A mounting groove ring is provided outside the pivot shaft, and the fourth through hole cooperates with the bottom surface of the mounting groove.

[0005] Through the above technical solution, the limiting member is used to realize the installation of the pivot shaft, and it only needs to be buckled in and installed, thereby achieving the simplicity of installation.

[0006] The added connection helps provide protection, increases the distance between the cantilever and the mounting, reduces friction between the two, and increases service life.

[0007] The reset member is a torsion spring, the first end of which abuts against the cantilever, and the second end abuts against the first groove formed on the mounting member. The cantilever is provided with a second groove matched with the second end of the torsion spring.

[0008] The invention also includes a motor mounting frame, which is fixed to the cantilever by fasteners, and the drive motor is fixed to the motor mounting frame by fasteners. A guard is provided on at least one side of the connection between the cutting knife and the output shaft of the drive motor. The motor mounting frame is L-shaped. A through slot is provided on the cantilever for easy lifting.

[0009] A controller may be fixed inside the cantilever, and the controller controls the operation of the drive motor.

[0010] Compared with the prior art, the utility model has the following advantages: the utility model has a simple structure and adopts a torsion spring added between the cantilever and the mounting part, which can press down the cantilever when cutting is required. When not required, the torsion spring can be reset by contact pressure on the cantilever, that is, the cutting blade is moved away from the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model is a three-dimensional Figure 1 ;

[0012] Figure 2 The utility model is a three-dimensional Figure 2 ;

[0013] Figure 3 It is a cross-sectional schematic diagram of the utility model;

[0014] Figure 4 It is a cross-sectional stereogram of the utility model;

[0015] Figure 5 This is the front view of the limiter of the utility model;

[0016] Reference numerals:

[0017] 1 mounting member; 11 first pivot hole; 12 first groove;

[0018] 2 cantilever; 21 second pivot hole; 22 second groove; 23 through groove;

[0019] 3 driving motor; 31 cutting blade; 32 reset member; 33 pivot shaft; 34 mounting groove ring;

[0020] 4 connecting member; 41 first connecting portion; 42 second connecting portion; 43 third through hole;

[0021] 5: stopper; 51: fourth through hole; 52: notch; 53: installation entrance;

[0022] 6 motor mounting bracket; 7 protective piece; 701 arc surface; 8 controller; 9 cutting knife. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the present invention and to more clearly define the scope of protection claimed by the present invention, the present invention is described in detail below with respect to certain specific embodiments of the present invention. It should be noted that the following are only certain specific implementation methods of the present invention, which are only part of the embodiments of the present invention, and the specific and direct description of the relevant structures is only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of implementation of the present invention.

[0024] As shown in the accompanying drawings, the utility model adopts the following technical scheme: a cantilever structure of a cutting machine, including a mounting member 1 connected to a mounting position, a cantilever 2 connected to the mounting member 1 through a pivot structure, and a driving motor 3. The driving motor 3 is connected to the cantilever 2, and the output shaft of the driving motor 3 is connected to a cutting knife 31. A reset member 32 is provided at the pivot shaft 33 of the pivot structure, and both ends of the reset member 32 act on the mounting member 1 and the cantilever 2 respectively to realize the reset of the cantilever 2 after being pressed down.

[0025] The mounting member 1 is provided with a first pivot hole 11, the cantilever 2 is provided with a second pivot hole 21, and the pivot shaft 33 passes through the first pivot hole 11 and the second pivot hole 21 respectively. A connecting member 4 is also included, the connecting member 4 includes a first connecting portion 41 that matches with the inner wall of the second pivot hole 21 and a second connecting portion 42 located between the cantilever 2 and the mounting member 1, and a third through hole 43 that matches with the pivot shaft 33 is provided in the connecting member 4. A limiting member 5 is also included, the limiting member 5 is provided with a fourth through hole 51 that matches with the pivot shaft 33, and the limiting member 5 is provided with an installation entrance 53 that matches and communicates with the fourth through hole 51. A notch 52 is provided on the inner wall of the fourth through hole 51. A mounting groove ring 34 is provided outside the pivot shaft 33, and the fourth through hole 51 matches with the bottom surface of the mounting groove.

[0026] Through the above technical solution, the limiting member 5 is used to realize the installation of the pivot shaft 33, and it only needs to be buckled in and installed, thereby achieving the simplicity of installation.

[0027] The added connection piece 4 helps to provide protection, increase the distance between the cantilever 2 and the mounting piece 1, reduce the friction between the two, and increase the service life.

[0028] The reset member 32 is a torsion spring, the first end of which contacts the cantilever 2, and the second end of which contacts the first groove 12 provided on the mounting member 1. The cantilever 2 is provided with a second groove 22 matched with the second end of the torsion spring.

[0029] The cantilever 2 also includes a motor mounting frame 6, which is fixed to the cantilever 2 by fasteners, and the drive motor 3 is fixed to the motor mounting frame 6 by fasteners. A guard 7 is provided on at least one side of the connection between the cutting knife 31 and the output shaft of the drive motor 3. The motor mounting frame 6 is L-shaped. The cantilever 2 is provided with a through slot 23 for easy lifting.

[0030] Among them, there is an inwardly concave arc surface 701 at the center of the guard. In this embodiment, two guards are provided, which are arranged opposite to each other and fixed by fasteners, that is, the fasteners pass through the center of the guard and the cutting knife and are fixed by bolts.

[0031] A controller 8 may be fixed inside the cantilever 2 , and the controller 8 controls the operation of the drive motor 3 .

[0032] When the utility model is put into use again, it only needs to install the mounting member 1 through fasteners, such as installing it on a wall or the side of the housing of other equipment. The utility model is easy to install and disassemble and is convenient to carry and transport.

[0033] Compared with the prior art, the utility model has the following advantages: the utility model has a simple structure, and adopts a torsion spring added between the cantilever 2 and the mounting member 1, so that the cantilever 2 can be pressed down when cutting is required, and when not required, the torsion spring can be reset by contacting the pressure on the cantilever 2, that is, the cutting blade is moved away from the workpiece.

[0034] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A cantilever structure of a cutting machine, characterized in that: The invention comprises a mounting member (1) connected to a mounting position, a cantilever (2) connected to the mounting member (1) via a pivot structure, and a drive motor (3), wherein the drive motor (3) is connected to the cantilever (2), and an output shaft of the drive motor (3) is connected to a cutting knife (31); a reset member (32) is provided at a pivot shaft (33) of the pivot structure, and two ends of the reset member (32) act on the mounting member (1) and the cantilever (2) respectively to achieve reset of the cantilever (2) after being pressed down.

2. The cantilever structure of the cutting machine according to claim 1, characterized in that: The mounting member (1) is provided with a first pivot hole (11), the cantilever (2) is provided with a second pivot hole (21), and the pivot shaft (33) passes through the first pivot hole (11) and the second pivot hole (21) respectively.

3. The cantilever structure of the cutting machine according to claim 2, characterized in that: The invention also comprises a connecting member (4), wherein the connecting member (4) comprises a first connecting portion (41) cooperating with the inner wall of the second pivot hole (21) and a second connecting portion (42) located between the cantilever (2) and the mounting member (1), and a third through hole (43) cooperating with the pivot shaft (33) is provided in the connecting member (4).

4. The cantilever structure of the cutting machine according to claim 2, characterized in that: The invention also comprises a limiting member (5), wherein the limiting member (5) is provided with a fourth through hole (51) cooperating with the pivot shaft (33), and the limiting member (5) is provided with an installation entrance (53) cooperating with and communicating with the fourth through hole (51).

5. The cantilever structure of the cutting machine according to claim 4, characterized in that: A notch (52) is formed on the inner wall of the fourth through hole (51).

6. The cantilever structure of the cutting machine according to claim 4 or 5, characterized in that: The pivot shaft (33) is provided with a mounting groove ring (34) on the outside, and the fourth through hole (51) cooperates with the bottom surface of the mounting groove.

7. The cantilever structure of the cutting machine according to claim 1, characterized in that: The reset member (32) is a torsion spring, the first end of which abuts against the cantilever (2), and the second end of which abuts against a first groove (12) provided on the mounting member (1).

8. The cantilever structure of the cutting machine according to claim 7, characterized in that: The cantilever (2) is provided with a second groove (22) which cooperates with the second end of the torsion spring.

9. The cantilever structure of the cutting machine according to claim 1, characterized in that: It also comprises a motor mounting frame (6), wherein the motor mounting frame (6) is fixed to the cantilever (2) via fasteners, and the drive motor (3) is fixed to the motor mounting frame (6) via fasteners.

10. The cantilever structure of the cutting machine according to claim 9, characterized in that: A guard (7) is provided on at least one side of the connection between the cutting blade (31) and the output shaft of the driving motor (3).

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