Safety protection mechanism of laser cutting machine
By designing a protective sleeve and an air suction system on the laser cutting machine to absorb harmful gases and form an air curtain, the problem of existing protective mechanisms affecting the operation of the cutting head is solved, and a safe and effective protection effect is achieved.
Patent Information
- Application Number
- CN202422735551.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-11-08
AI Technical Summary
The existing safety protection mechanism of the laser cutting machine is easy to affect the operation of the cutting head when the protective cover is installed, which is inconvenient to operate.
A safety protection mechanism is designed, which includes a protective sleeve, an air suction pipe, an exhaust fan and an adsorption plate. The exhaust fan extracts the air near the cutting head, and the adsorption plate absorbs harmful gases to form an air curtain to protect the cutting head and prevent sparks from harming the operator.
It can effectively prevent harmful gases and sparks from harming operators while protecting the cutting head from running, and avoid the influence of the protective cover on the operation of the cutting head.
Smart Images

Figure CN223338625U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of laser cutting, in particular to a safety protection mechanism for a laser cutting machine. Background Art
[0002] The laser cutting machine safety protection mechanism is a device used to protect the operator on the laser cutting machine, but the existing safety protection mechanism still has shortcomings. Specifically, the existing safety protection mechanism is to install a protective cover on the cutting head of the laser cutting machine to prevent the residue generated by cutting from splashing everywhere, but the protective cover can easily affect the operation of the cutting head and is inconvenient to operate.
[0003] Therefore, a safety protection mechanism for a laser cutting machine is needed to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the present invention is to provide a safety protection mechanism for a laser cutting machine to solve the problems raised in the above background technology.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A safety protection mechanism for a laser cutting machine comprises a mounting seat, an outer wall of the mounting seat is provided with a protection mechanism, and a terminal is fixedly connected to the outer wall of the mounting seat above the protection mechanism;
[0007] The protection mechanism includes a protection sleeve fixedly connected to the outer wall of the mounting seat, the bottom of the inner wall of the protection sleeve is fixedly connected to the suction pipe, the inside of the protection sleeve and the upper part of the suction pipe are slidably connected to the mounting frame, the inside of the mounting frame is fixedly connected to an adsorption plate, the inside of the protection sleeve and the position of the suction pipe are fixedly connected to an exhaust fan, the inner wall of the protection sleeve and the position of the exhaust fan are fixedly connected to a baffle, the bottom of the inner wall of the protection sleeve and the lowermost part of the baffle are provided with an air outlet slot, the top of the protection sleeve and the position of the mounting frame are rotatably connected to a rotating shaft, the outer wall of the rotating shaft and the upper part of the mounting frame are fixedly connected to a pressure plate, the outer wall of the rotating shaft and the protective sleeve are fixedly connected to a transmission gear, the inside of the protection sleeve and the position of the transmission gear are slidably connected to an annular plate, the outer wall of the annular plate and the corresponding position of the transmission gear are fixedly connected to a drive rack, the outer wall of the rotating shaft and the upper part of the transmission gear are fixedly connected to a volute spring, and the outer wall of the mounting frame and the protective sleeve are fixedly connected to a sealing gasket.
[0008] As a preferred solution of the present invention, the mounting seat is made of aluminum alloy, and the shape of the mounting seat is compatible with the shape of the cutting head of the laser cutting machine.
[0009] As a preferred solution of the present invention, the protective sleeve, intake pipe, mounting frame, baffle, pressure plate and annular plate are all made of aluminum alloy, the baffle and air outlet slot are both annular structure design, and the connection method between the volute spring and the protective sleeve is a fixed connection.
[0010] As a preferred solution of the present invention, the sealing gasket is made of silicone, the exhaust fan, pressure plate, mounting frame and adsorption plate are provided in multiple groups, and the connection between the driving rack and the transmission gear is a meshing connection.
[0011] As a preferred solution of the present invention, the adsorption plate is made of an activated carbon plate, and the rotating shaft and the annular plate both penetrate and extend outside the protective sleeve.
[0012] As a preferred solution of the present invention, the installation frame and the adsorption plate are both designed as arc-shaped structures, and the connection method between the exhaust fan and the terminal is electrical connection.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] 1. In the utility model, a safety protection mechanism of a laser cutting machine is designed, and the protection mechanism in the device is used to protect construction personnel. The mounting base is fixed on the cutting head of the laser cutting machine, and the terminal is connected to the external power supply using a wire. The exhaust fan is started, and the laser cutting machine is started at the same time. The laser cutting machine starts to cut the raw material, and the exhaust fan draws the air near the cutting head of the laser cutting machine into the protective sleeve through the suction pipe. The harmful gas generated by the cutting head will enter the protective sleeve along with the air. The air flows in the protective sleeve and passes through the adsorption plate. The adsorption plate absorbs the harmful gas in the air. The air with the removed harmful gas will flow downward along the baffle and be ejected through the air outlet slot. The ejected air will form an air curtain under the protective sleeve. The sparks generated by the cutting head cannot pass through the air curtain and cannot damage the operating software. The protective sleeve is installed above the cutting head and will not hinder the movement of the cutting head. The existing safety protection mechanism is to install a protective cover on the cutting head of the laser cutting machine to prevent the residue generated by cutting from splashing everywhere, but the protective cover easily affects the operation of the cutting head and is inconvenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;
[0016] Figure 2 This is a front cross-sectional view of the protective sleeve of the utility model;
[0017] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.
[0018] In the figure: 1. Mounting seat; 2. Protection mechanism; 3. Terminal; 201. Protection sleeve; 202. Intake pipe; 203. Mounting frame; 204. Adsorption plate; 205. Exhaust fan; 206. Baffle; 207. Air outlet slot; 208. Rotating shaft; 209. Pressing plate; 210. Transmission gear; 211. Ring plate; 212. Drive rack; 213. Volute spring; 214. Sealing gasket. DETAILED DESCRIPTION
[0019] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0020] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be a central element. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.
[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0023] For examples, see Figure 1-3 , the utility model provides a technical solution:
[0024] A safety protection mechanism for a laser cutting machine includes a mounting base 1, a protection mechanism 2 is provided on the outer wall of the mounting base 1, and a terminal 3 is fixedly connected to the outer wall of the mounting base 1 and above the protection mechanism 2;
[0025] The mounting base 1 is made of aluminum alloy, and the shape of the mounting base 1 is adapted to the shape of the cutting head of the laser cutting machine;
[0026] In this embodiment, reference Figure 2 and Figure 3 The protection mechanism 2 includes a protection sleeve 201 fixedly connected to the outer wall of the mounting base 1, the bottom of the inner wall of the protection sleeve 201 is fixedly connected to the suction pipe 202, the interior of the protection sleeve 201 and the upper part of the suction pipe 202 are slidably connected to the installation frame 203, the interior of the installation frame 203 is fixedly connected to the adsorption plate 204, the interior of the protection sleeve 201 and the position near the adsorption plate 204 are fixedly connected to the exhaust fan 205, the inner wall of the protection sleeve 201 and the position near the exhaust fan 205 are fixedly connected to the baffle 206, the bottom of the inner wall of the protection sleeve 201 and the bottom of the baffle 206 are provided with an air outlet slot 207, the top of the protection sleeve 201 and A rotating shaft 208 is rotatably connected near the mounting frame 203, a pressure plate 209 is fixedly connected to the outer wall of the rotating shaft 208 and above the mounting frame 203, a transmission gear 210 is fixedly connected to the outer wall of the rotating shaft 208 and inside the protective sleeve 201, an annular plate 211 is slidably connected inside the protective sleeve 201 and near the position of the transmission gear 210, a driving rack 212 is fixedly connected to the outer wall of the annular plate 211 and at a corresponding position near the transmission gear 210, a volute spring 213 is fixedly connected to the outer wall of the rotating shaft 208 and above the transmission gear 210, and a sealing gasket 214 is fixedly connected to the outer wall of the mounting frame 203 and inside the protective sleeve 201;
[0027] The protective sleeve 201, the air intake pipe 202, the mounting frame 203, the baffle 206, the pressure plate 209 and the annular plate 211 are all made of aluminum alloy, the baffle 206 and the air outlet slot 207 are both annular structure design, the vortex spring 213 is connected to the protective sleeve 201 in a fixed connection, the sealing gasket 214 is made of silicone, the exhaust fan 205, the pressure plate 209, the mounting frame 203, and the adsorption plate 204 are all provided with multiple groups, the driving rack 212 and the transmission gear 210 are connected in a meshing connection, the adsorption plate 204 is made of an activated carbon plate, the rotating shaft 208 and the annular plate 211 are all through and extend to the outside of the protective sleeve 201, the mounting frame 203 and the adsorption plate 204 are both arc structure design, the exhaust fan 205 is connected to the terminal 3 in an electrical connection, and the installation The mounting base 1 is fixed on the cutting head of the laser cutting machine, and the terminal 3 is connected to the external power supply using a wire. The exhaust fan 205 is started, and the laser cutting machine is started at the same time. The laser cutting machine begins to cut the raw material. The exhaust fan 205 draws the air near the cutting head of the laser cutting machine into the protective sleeve 201 through the suction pipe 202. The harmful gas generated by the cutting head will enter the protective sleeve 201 along with the air. The air flows in the protective sleeve 201, and the flowing air will pass through the adsorption plate 204. The adsorption plate 204 will absorb the harmful gas in the air. The air that removes the harmful gas will flow downward along the baffle 206 and be ejected through the air outlet slot 207. The ejected air will form an air curtain below the protective sleeve 201, and the sparks generated by the cutting head cannot pass through the air curtain.
[0028] The working process of the present utility model: when the safety protection mechanism of the laser cutting machine designed by the present invention is in operation, the mounting base 1 is fixed on the cutting head of the laser cutting machine, the terminal 3 is connected to the external power supply by a wire, the exhaust fan 205 is started, and the laser cutting machine is started at the same time, and the laser cutting machine begins to cut the raw material. The exhaust fan 205 draws the air near the cutting head of the laser cutting machine into the protective sleeve 201 through the suction pipe 202, and the harmful gas generated by the cutting head will enter the protective sleeve 201 together with the air, and the air flows in the protective sleeve 201, and the flowing air will pass through the adsorption plate 204, and the adsorption plate 204 will absorb the harmful gas in the air, and the air with the harmful gas removed will flow downward along the baffle 206 and pass through the air outlet slot 20 7 is ejected, and the ejected air will form an air curtain under the protective sleeve 201. The sparks generated by the cutting head cannot pass through the air curtain. After the cutting is completed, the operator turns off the laser cutting machine and disconnects the terminal 3 from the wire. The annular plate 211 is rotated. The annular plate 211 drives the transmission gear 210 to rotate through the driving rack 212. The transmission gear 210 drives the pressure plate 209 to rotate through the rotating shaft 208. The rotating pressure plate 209 no longer presses against the installation frame 203. The installation frame 203 is pulled and removed from the protective sleeve 201. After cleaning the adsorption plate 204, the installation frame 203 is put back into the protective sleeve 201. The annular plate 211 is loosened, and the spiral spring 213 drives the rotating shaft 208 and the pressure plate 209 to rotate in the opposite direction, and the pressure plate 209 presses against the installation frame 203 again.
[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A safety protection mechanism for a laser cutting machine, comprising a mounting base (1), characterized in that: The outer wall of the mounting seat (1) is provided with a protection mechanism (2), and a terminal post (3) is fixedly connected to the outer wall of the mounting seat (1) above the protection mechanism (2); The protection mechanism (2) comprises a protection sleeve (201) fixedly connected to the outer wall of the mounting seat (1); an air intake pipe (202) is fixedly connected to the bottom of the inner wall of the protection sleeve (201); a mounting frame (203) is slidably connected to the interior of the protection sleeve (201) and above the air intake pipe (202); an adsorption plate (204) is fixedly connected to the interior of the mounting frame (203); an exhaust fan (205) is fixedly connected to the interior of the protection sleeve (201) and at a position close to the adsorption plate (204); a baffle (206) is fixedly connected to the inner wall of the protection sleeve (201) and at a position close to the exhaust fan (205); an air outlet slot (207) is provided at the bottom of the inner wall of the protection sleeve (201) and at the bottom of the baffle (206); and the top of the protection sleeve (201) is fixedly connected to the air intake pipe (202). A rotating shaft (208) is rotatably connected to the outer wall of the rotating shaft (208) and is fixedly connected to the upper part of the mounting frame (203); a pressure plate (209) is fixedly connected to the outer wall of the rotating shaft (208) and the inside of the protective sleeve (201); a transmission gear (210) is fixedly connected to the outer wall of the rotating shaft (208) and the inside of the protective sleeve (201); an annular plate (211) is slidably connected to the inside of the protective sleeve (201) and is close to the position of the transmission gear (210); a driving rack (212) is fixedly connected to the outer wall of the annular plate (211) and is close to the corresponding position of the transmission gear (210); a volute spring (213) is fixedly connected to the outer wall of the rotating shaft (208) and is above the transmission gear (210); and a sealing gasket (214) is fixedly connected to the outer wall of the mounting frame (203) and the inside of the protective sleeve (201).
2. The safety protection mechanism of a laser cutting machine according to claim 1, characterized in that: The mounting seat (1) is made of aluminum alloy, and the shape of the mounting seat (1) is compatible with the shape of a cutting head of a laser cutting machine.
3. The safety protection mechanism of a laser cutting machine according to claim 1, characterized in that: The protective sleeve (201), the air intake pipe (202), the mounting frame (203), the baffle (206), the pressure plate (209) and the annular plate (211) are all made of aluminum alloy; the baffle (206) and the air outlet slot (207) are both annular in structure design; the spiral spring (213) and the protective sleeve (201) are connected in a fixed manner.
4. The safety protection mechanism of a laser cutting machine according to claim 1, characterized in that: The sealing gasket (214) is made of silica gel, and the exhaust fan (205), the pressure plate (209), the installation frame (203), and the adsorption plate (204) are all provided with multiple groups. The driving rack (212) and the transmission gear (210) are connected in a meshing connection.
5. The safety protection mechanism of a laser cutting machine according to claim 1, characterized in that: The adsorption plate (204) is made of an activated carbon plate, and the rotating shaft (208) and the annular plate (211) both penetrate and extend outside the protective sleeve (201).
6. The safety protection mechanism of a laser cutting machine according to claim 1, characterized in that: The installation frame (203) and the adsorption plate (204) are both designed as arc-shaped structures, and the connection method between the exhaust fan (205) and the terminal (3) is electrical connection.