Mechanical fitting laser cutting processing equipment

By designing protective and heat dissipation mechanisms, the problems of insufficient protection and low heat dissipation efficiency of laser cutting equipment have been solved, achieving automatic cleaning and efficient heat dissipation, thereby improving cutting accuracy and equipment stability.

CN120962173BActive Publication Date: 2025-12-23NANTONG LONGKUN MINING MASCH CO LTD
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Patent Information

Application Number
CN202511513070.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-10-22
Publication Date
2025-12-23
Estimated Expiration
2045-10-22

AI Technical Summary

Technical Problem

Existing laser cutting equipment lacks adequate protection. During the cutting process, dust easily adheres to the lens, affecting accuracy. Furthermore, the cutting head is easily contaminated by dust, resulting in low heat dissipation efficiency and impacting equipment stability.

Method used

The design incorporates a protective mechanism and a heat dissipation and smoke removal mechanism. The opening and closing of the protective cover is controlled by a gear set. An internal cleaning pad automatically removes smoke and dust residue. The fan tilts to absorb smoke and dust, and the heat conduction plate and heat dissipation fins work together to dissipate heat.

Benefits of technology

It achieves automatic cleaning of the cutting head, improves cutting accuracy and equipment life, reduces energy consumption, prevents smoke and dust pollution, and improves heat dissipation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a kind of mechanical fittings laser cutting processing equipment, it is related to mechanical fittings processing technical field.The present application includes rack, the front surface of the rack is fixedly connected with mounting plate, and the bottom of the mounting plate is fixedly connected with laser cutting machine;The front surface of the laser cutting machine is provided with protection mechanism.The present application is driven by gear set linkage rotating shaft to open and close protection cover stably, and guide pillar cooperates with sliding frame to make protection cover move outward to avoid collision, and when closing, extension rod compresses spring buffer, while inside cleaning pad is contacted with laser cutting head and is rubbed, automatically removes smoke dust residue, keeps cutting head clean, improves cutting precision and equipment life, fan is intelligently switched direction with the state of protection cover, protection cover is half-opened when cutting, fan is inclined and adsorbs cutting area smoke dust, avoids interference, when closing, fan is vertically upward, cooperates with heat conduction plate and radiating fin to form forced convection air duct, accelerates heat dissipation, solves cutting smoke dust pollution and equipment overheating problem.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of mechanical accessory machining, and particularly relates to a mechanical accessory laser cutting machining equipment. BACKGROUND

[0002] The laser cutting technology is widely applied to mechanical accessory machining, and its high-precision characteristics put strict requirements on equipment cleanliness and temperature control. Metal dust generated in the machining process can pollute the lens and reduce the cutting quality; meanwhile, the continuous high temperature of the laser head can easily cause the aging of optical elements, and the traditional equipment needs to be frequently stopped for maintenance, thereby affecting the production efficiency.

[0003] However, the existing laser cutting equipment still has the following defects in actual use: insufficient protection: the smoke generated in the cutting process is easy to adhere to the surface of the lens of the laser cutting head, affecting the subsequent cutting precision; and after the cutting is completed, the cutting head is directly exposed to the outside, which is easy to be polluted by dust, thereby shortening the service life of the equipment. Low heat dissipation efficiency: a large amount of heat is generated when the laser cutting head works for a long time, and if the heat cannot be dissipated in time, the cutting head may be overheated and damaged, thereby affecting the stability of the equipment. Lack of self-cleaning function: the traditional equipment needs to be manually cleaned regularly to remove the residues and smoke on the surface of the cutting head, thereby increasing the labor cost and causing the risk of cutting quality decline due to untimely cleaning.

[0004] Therefore, the application provides a mechanical accessory laser cutting machining equipment to solve the above problems. SUMMARY

[0005] The application aims to provide a mechanical accessory laser cutting machining equipment, which solves the problems of poor protection effect and manual cleaning of cutting residues in the prior art mechanical accessory laser cutting machining equipment by cooperation of the protection mechanism and the heat dissipation and smoke removal mechanism.

[0006] To solve the above technical problems, the application is implemented by the following technical scheme.

[0007] The application is a mechanical accessory laser cutting machining equipment, which comprises a rack, a mounting plate fixedly connected to the front of the rack, and a laser cutting machine fixedly connected to the bottom of the mounting plate; the laser cutting machine is provided with a protection mechanism on the front, and the protection mechanism comprises a rotating shaft rotatably connected to the front of the laser cutting machine through a bearing block, a supporting rod rotatably connected to one end of the rotating shaft, and a protection cover movably connected to the other end of the supporting rod; a heat dissipation and smoke removal mechanism is arranged on the inner side of the protection cover, and the heat dissipation and smoke removal mechanism comprises a through groove formed in the bottom of the protection cover, a fixed plate fixedly connected to the inner cavity of the through groove, a transmission shaft rotatably connected to one side of the fixed plate through a bearing block, and a fan fixedly connected to both ends of the transmission shaft.

[0008] The laser cutting machine is further provided with a driving motor fixedly connected to the surface of the support plate, a first gear fixedly connected to the output shaft of the driving motor, a second gear engaged with the surface of the first gear, and a third gear engaged with the surface of the second gear.

[0009] The laser cutting machine is further provided with two rotating shafts fixedly connected to the shaft centers of the second gear and the third gear.

[0010] The laser cutting machine is further provided with a guide column fixedly connected to the back of the first gear, a sliding frame slidingly connected to the surface of the guide column, and a connecting plate fixedly connected to one side of the sliding frame.

[0011] The laser cutting machine is further provided with a sliding groove opened on the front surface, a T-shaped plate slidingly connected to the inner cavity of the sliding groove, and a fixed cylinder fixedly connected to one side of the T-shaped plate.

[0012] The laser cutting machine is further provided with a first spring fixedly connected to the inner cavity of the fixed cylinder, a baffle fixedly connected to the other end of the first spring, an extension rod fixedly connected to one side of the baffle, and the extension rod fixedly connected to one side of the protective cover.

[0013] The laser cutting machine is further provided with a fourth gear fixedly connected to the surface of the transmission shaft, a toothed plate engaged with the surface of the fourth gear, a moving plate fixedly connected to one side of the toothed plate, a driving wheel fixedly connected to one side of the moving plate, and driving plates fixedly connected to both sides of the laser cutting machine.

[0014] The laser cutting machine is further provided with a sliding hole opened on one side of the moving plate, a sliding rod slidingly connected to the inner cavity of the sliding hole, and a second spring sleeved on the surface of the sliding rod.

[0015] The laser cutting machine is further provided with heat-conducting plates fixedly connected to both sides of the laser cutting machine, and the heat-conducting plates are provided with heat dissipation fins on the surfaces thereof, the heat-conducting plates directly contact heat sources inside the laser cutting machine, heat is transferred to the heat dissipation fins on the surfaces of the heat-conducting plates through metal heat conduction, the heat dissipation fins increase the heat dissipation area, and air convection is accelerated.

[0016] The laser cutting machine is further provided with heat-conducting plates fixedly connected to both sides of the laser cutting machine, and the heat-conducting plates are provided with heat dissipation fins on the surfaces thereof, the heat-conducting plates directly contact heat sources inside the laser cutting machine, heat is transferred to the heat dissipation fins on the surfaces of the heat-conducting plates through metal heat conduction, the heat dissipation fins increase the heat dissipation area, and air convection is accelerated.

[0017] The laser cutting machine has the following beneficial effects.

[0018] 1. The gear set linkage rotation shaft drives the protective cover to stably open and close, the guide column cooperates with the sliding frame to move the protective cover outward to avoid collision, the extension rod compresses the spring buffer when the protective cover is closed, the inside cleaning pad contacts and rubs the laser cutting head, automatically removes the smoke dust residue, keeps the cutting head clean, improves the cutting precision and the equipment life, the fan intelligently switches the direction according to the state of the protective cover, the protective cover is half open during cutting, the fan tilts to adsorb the smoke dust in the cutting area, avoids interference, the fan is vertically upward when the protective cover is closed, cooperates with the heat-conducting plate and the heat dissipation fin to form a forced convection air duct, accelerates heat dissipation, and solves the problems of cutting smoke dust pollution and equipment overheating.

[0019] 2. The linkage design (rotation shaft, support rod, gear set and elastic buffer assembly) of the protective mechanism realizes the automatic opening and closing of the protective cover, avoids the pollution of cutting residue to the laser lens when the protective cover is closed, and the cleaning pad inside the protective cover wipes the surface of the lens during the closing process to remove the smoke dust residue.

[0020] 3. The protective cover opening and closing, the driving wheel contacting the fixed driving plate, the moving plate, the toothed plate driving the fourth gear and the fan angle switching do not require additional sensors or motors throughout the process, and the energy consumption and failure rate are reduced.

[0021] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description.

[0023] Figure 1 It is a perspective view of a mechanical parts laser cutting machining equipment.

[0024] Figure 2 It is a cooperation diagram of a laser cutting machine and a protective cover in a mechanical parts laser cutting machining equipment.

[0025] Figure 3 is a cross-sectional view of a protective cover of a laser cutting equipment for mechanical accessories.

[0026] Figure 4 is a matching diagram of a fourth gear and a toothed plate in a laser cutting equipment for mechanical accessories.

[0027] Figure 5 is a matching diagram of a heat-conducting plate and a heat-dissipating fin in a laser cutting equipment for mechanical accessories.

[0028] Figure 6 is a matching diagram of a guide column and a sliding frame in a laser cutting equipment for mechanical accessories.

[0029] Figure 7 is a cross-sectional view of a fixing cylinder in a laser cutting equipment for mechanical accessories.

[0030] Figure 8 is a matching diagram of a first gear, a second gear and a third gear in a laser cutting equipment for mechanical accessories.

[0031] In the drawings: 1, frame; 2, mounting plate; 3, laser cutting machine; 4, rotating shaft; 5, support rod; 6, protective cover; 7, through slot; 8, fixed plate; 9, transmission shaft; 10, fan; 11, driving motor; 12, first gear; 13, second gear; 14, third gear; 15, guide column; 16, sliding frame; 17, connecting plate; 18, sliding groove; 19, T-shaped plate; 20, fixing cylinder; 21, first spring; 22, baffle; 23, extension rod; 24, fourth gear; 25, toothed plate; 26, moving plate; 27, driving wheel; 28, driving plate; 29, sliding rod; 30, second spring; 31, heat-conducting plate; 32, heat-dissipating fin; 33, cleaning pad; 34, control panel; 35, sliding hole. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, not all. Embodiment 1:

[0033] Please refer to Figures 1-8The application discloses a kind of mechanical fittings laser cutting processing equipment, including rack 1, rack 1 front fixedly connected with mounting plate 2, mounting plate 2 bottom fixedly connected with laser cutting machine 3, laser cutting machine 3 front is provided with protection mechanism, protection mechanism includes the rotating shaft 4 being rotatably connected with laser cutting machine 3 front by bearing seat, with the rotating shaft 4 one end rotatably connected with support rod 5, with support rod 5 other end movably connected with protective cover 6, laser cutting machine 3 surface is fixedly connected with drive motor 11 by support plate, drive motor 11 output shaft is fixedly connected with first gear 12, first gear 12 surface is engaged with second gear 13, second gear 13 surface is engaged with third gear 14, rotating shaft 4 number is two, second gear 13 and third gear 14 axial center are respectively fixedly connected with two rotating shafts 4, first gear 12 back is fixedly connected with guide column 15, guide column 15 surface is slidably connected with sliding frame 16, sliding frame 16 one side is fixedly connected with connecting plate 17, laser cutting machine 3 front is provided with sliding slot 18, sliding slot 18 inner chamber is slidably connected with T-shaped plate 19, T-shaped plate 19 one side is fixedly connected with fixed cylinder 20, fixed cylinder 20 inner chamber is fixedly connected with first spring 21, first spring 21 other end is fixedly connected with baffle 22, baffle 22 one side is fixedly connected with extension rod 23, extension rod 23 with protective cover 6 one side is fixedly connected.

[0034] Two rotating shafts 4 are symmetrically distributed on the left and right sides of the front of the laser cutting machine 3. A support rod 5 is rotatably connected to one end of each rotating shaft 4, and a protective cover 6 is movably connected to the other end of the two support rods 5. The protective cover 6 covers the lens area of the laser cutting machine 3. A driving motor 11 drives a first gear 12 to rotate through an output shaft. The first gear 12 drives a second gear 13 to rotate, and the second gear 13 drives a third gear 14 to rotate. The power is transmitted to the rotating shaft 4 fixedly connected to the gear shaft center, realizing the opening and closing control of the protective cover 6. The second gear 13 is fixedly connected to the surface of one of the rotating shafts 4 at the shaft center, and the third gear 14 is fixedly connected to the surface of the other rotating shaft 4 at the shaft center. Through the linkage of the gear set, the synchronous reverse rotation of the two rotating shafts 4 is ensured, the support rod 5 drives the protective cover 6 to open and close stably, the guide column 15 is an eccentric structure (offset from the center of the first gear 12), and when the first gear 12 rotates, the guide column 15 moves in a circular motion with the gear, pushing the sliding frame 16 to slide up and down along the guide column 15, so that the protective cover 6 moves outward during the opening and closing process. The sliding groove 18 provides a sliding track for the T-shaped plate 19, limiting its movement in only the vertical direction, ensuring the precise cooperation of the subsequent elastic buffer structure, and extending the rod 23 one end with the protective cover 6 fixed, the other end into the fixed cylinder 20 and with the baffle 22 connected, when the protective cover 6 is closed, the extending rod 23 pushes the baffle 22 to compress the first spring 21, and the elastic deformation of the first spring 21 absorbs the closing impact force, avoiding the damage caused by the rigid collision between the protective cover 6 and the laser cutting machine 3. Through the protection mechanism, the laser cutting machine 3 can be protected after cutting to avoid dust pollution. The cleaning pad 33 automatically removes the surface residue of the cutting head during the closing process, avoiding the pollution of the laser cutting head by smoke and residue during the working process, and affecting the cutting effect. Example 2:

[0035] Please refer to Figures 1-8 On the basis of example 1, a heat dissipation and smoke removal mechanism is arranged on the inner side of the protective cover 6. The heat dissipation and smoke removal mechanism includes a through slot 7 opened in the bottom of the protective cover 6, a fixed plate 8 fixedly connected in the inner cavity of the through slot 7, a transmission shaft 9 rotatably connected with the fixed plate 8 on one side through a bearing seat, a fan 10 fixedly connected with the transmission shaft 9 at both ends, a fourth gear 24 fixedly connected on the surface of the transmission shaft 9, a toothed plate 25 meshing with the surface of the fourth gear 24, a moving plate 26 fixedly connected on one side of the toothed plate 25, a driving wheel 27 fixedly connected on one side of the moving plate 26, a driving plate 28 fixedly connected on both sides of the laser cutting machine 3, a sliding hole 35 opened on one side of the moving plate 26, a sliding rod 29 slidably connected in the inner cavity of the sliding hole 35, and a second spring 30 sleeved on the surface of the sliding rod 29.

[0036] When the transmission shaft 9 moves with the opening and closing of the protective cover 6, the driving plate 28 is in a fixed state, at this time, the driving plate 28 drives the moving plate 26 to move through the driving wheel 27, the moving plate 26 compresses the second spring 30, the sliding hole 35 is matched with the sliding rod 29 in clearance, the moving plate 26 is limited to only vertical sliding, the moving plate 26 drives the transmission shaft 9 to rotate through the gear plate 25 and the fourth gear 24, the transmission shaft 9 drives the fan 10 to rotate by a certain angle, the fan 10 can be in an inclined state through mechanical transmission in the unfolded state of the protective cover 6, the negative pressure suction generated by the rotation of the fan 10 can adsorb the smoke gas in the laser cutting process, so that the cutting effect is not affected by the smoke gas, the fan 10 of the smoke removing mechanism changes direction with the state of the protective cover 6, the protective cover 6 is half opened to form a smoke barrier during cutting, and the fan 10 is inclined to adsorb the smoke in the cutting area, the protective cover 6 is closed during shutdown, the fan 10 is vertically upward to force heat dissipation of the laser head, and the opening and closing of the protective cover 6 and the angle switching of the fan 10 are mechanically linked, without additional power. Example 3:

[0037] Please refer to Figures 1-8 On the basis of the example and the example, heat conduction plates 31 are fixedly connected to both sides of the laser cutting machine 3, heat dissipation fins 32 are arranged on the surface of the heat conduction plate 31, a control panel 34 is arranged on the front of the rack 1, and a cleaning pad 33 is arranged on the inner side of the protective cover 6.

[0038] The heat conduction plate 31 directly contacts the heat source inside the laser cutting machine 3, heat is transmitted to the surface of the heat dissipation fin 32 through metal heat conduction, the heat dissipation fin 32 increases the heat dissipation area and accelerates air convection, in the closed state of the protective cover 6, the fan 10 is vertically upward, and the vertically upward fan 10 cooperates to form a forced convection air duct, so that heat dissipation is accelerated, the laser cutting machine 3 just after cutting work can be cooled, and the heat dissipation efficiency of the cutting machine is improved, the cleaning pad 33 is fixed on the inner side of the protective cover 6, when the protective cover 6 is closed, the cleaning pad 33 is in close contact with the lens of the laser cutting head, and the surface adhered smoke and residues are removed through friction, and the control panel 34 integrates a driving motor 11 and a fan 10 control module.

[0039] The working principle of the present application is as follows: after the equipment is started, the control panel 34 sends a signal to the driving motor 11, the output shaft of the driving motor 11 drives the first gear 12 to rotate, the first gear 12 drives the meshing second gear 13 to rotate, the second gear 13 drives the two rotating shafts 4 to synchronously rotate through the third gear 14, and the rotating shaft 4 pushes the protective cover 6 to move outward through the supporting rod 5.

[0040] When the first gear 12 rotates, the guide column 15 moves with the gear, pushing the sliding frame 16 to slide up and down along the guide column 15, so that the protective cover 6 moves outward during opening and closing, avoiding damage caused by rigid collision between the protective cover 6 and the laser cutting machine 3, and at the same time, when the transmission shaft 9 moves with the opening and closing of the protective cover 6, the driving plate 28 is in a fixed state, at this time, the driving plate 28 drives the moving plate 26 to move through the driving wheel 27, the moving plate 26 compresses the second spring 30, the sliding hole 35 cooperates with the sliding rod 29 in clearance, limiting the moving plate 26 to only vertically slide, the moving plate 26 drives the transmission shaft 9 to rotate through the toothed plate 25 and the fourth gear 24, and the transmission shaft 9 drives the fan 10 to rotate by a certain angle, so that the fan 10 faces the cutting area in the unfolded state of the protective cover 6, and adsorbs the smoke generated during cutting.

[0041] After cutting is completed, the control panel 34 triggers the driving motor 11 to rotate reversely, so that the protective cover 6 is closed downward, in the closing process, the extension rod 23 pushes the baffle 22 to compress the first spring 21 to realize buffering, the moving plate 26 is reset under the action of the second spring 30, the moving plate 26 drives the toothed plate 25 to move, at the same time, the fourth gear 24 on the transmission shaft 9 is driven to reset under the action of the toothed plate 25, the heat conduction plate 31 directly contacts the internal heat source of the laser cutting machine 3, heat is transmitted to the heat dissipation fins 32 on the surface through metal heat conduction, the heat dissipation fins 32 increase the heat dissipation area and accelerate air convection, in the closed state of the protective cover 6, the fan 10 is vertically upward, and cooperates with the vertical heat dissipation fan 10 to form a forced convection air duct, so as to accelerate heat dissipation, cool the laser cutting machine 3 just ending cutting work, improve the heat dissipation efficiency of the cutting machine, and the cleaning pad 33 is fixed to the inner side of the protective cover 6, when the protective cover 6 is closed, the cleaning pad 33 is in close contact with the laser cutting head lens, and the surface adhered smoke and residues are removed through friction.

[0042] The above only describes certain exemplary embodiments of the present application in a descriptive manner, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and descriptions are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A mechanical fitting laser cutting machining apparatus comprising a frame (1), characterized in that: The rack (1) is fixedly connected with a mounting plate (2) on the front side, and the bottom of the mounting plate (2) is fixedly connected with a laser cutting machine (3); The laser cutting machine (3) is provided with a protection mechanism on the front side, which comprises a rotating shaft (4) rotatably connected with the laser cutting machine (3) on the front side through a bearing seat, a supporting rod (5) rotatably connected with one end of the rotating shaft (4), and a protective cover (6) movably connected with the other end of the supporting rod (5); The inner side of the protective cover (6) is provided with a heat dissipation and smoke removal mechanism, which comprises a through groove (7) opened in the bottom of the protective cover (6), a fixed plate (8) fixedly connected in the inner cavity of the through groove (7), a transmission shaft (9) rotatably connected with one side of the fixed plate (8) through a bearing seat, and a fan (10) fixedly connected with both ends of the transmission shaft (9); The surface of the laser cutting machine (3) is fixedly connected with a driving motor (11) through a supporting plate, the output shaft of the driving motor (11) is fixedly connected with a first gear (12), the surface of the first gear (12) is engaged with a second gear (13), and the surface of the second gear (13) is engaged with a third gear (14); The number of rotating shafts (4) is two, and the shaft centers of the second gear (13) and the third gear (14) are respectively fixedly connected with the two rotating shafts (4); The back of the first gear (12) is fixedly connected with a guide column (15), the surface of the guide column (15) is slidably connected with a sliding frame (16), and one side of the sliding frame (16) is fixedly connected with a connecting plate (17); The front side of the laser cutting machine (3) is provided with a sliding groove (18), the inner cavity of the sliding groove (18) is slidably connected with a T-shaped plate (19), and one side of the T-shaped plate (19) is fixedly connected with a fixed cylinder (20); The inner cavity of the fixed cylinder (20) is fixedly connected with a first spring (21), the other end of the first spring (21) is fixedly connected with a baffle (22), one side of the baffle (22) is fixedly connected with an extension rod (23), and the extension rod (23) is fixedly connected with one side of the protective cover (6).

2. The apparatus of claim 1, wherein: The surface of the transmission shaft (9) is fixedly connected with a fourth gear (24), the surface of the fourth gear (24) is engaged with a toothed plate (25), one side of the toothed plate (25) is fixedly connected with a moving plate (26), one side of the moving plate (26) is fixedly connected with a driving wheel (27), and both sides of the laser cutting machine (3) are fixedly connected with a driving plate (28).

3. The apparatus of claim 2, wherein: One side of the moving plate (26) is provided with a sliding hole (35), the inner cavity of the sliding hole (35) is slidably connected with a sliding rod (29), and the surface of the sliding rod (29) is sleeved with a second spring (30).

4. The apparatus of claim 1, wherein: Both sides of the laser cutting machine (3) are fixedly connected with a heat conducting plate (31), and the surface of the heat conducting plate (31) is provided with a heat dissipation fin (32).

5. The apparatus of claim 1, wherein: The front side of the rack (1) is provided with a control panel (34), and the inner side of the protective cover (6) is provided with a cleaning pad (33).

Citation Information

Patent Citations

  • Multi-angle adjustable laser cutting machine

    CN212191729U

  • A laser cutting machine auxiliary cleaning device

    CN215145688U