Laser cutting machine

Abstract

The utility model discloses a laser cutting machine, which relates to the field of laser cutting and comprises an electric sliding rail, a fixing frame is fixed on one side of the top end of the electric sliding rail, a sliding block is in sliding fit with the electric sliding rail, a fixing seat is fixed at the top end of the sliding block, a protection box is fixed at the top end of the fixing seat, and a motor is fixed at the top end of the fixing frame. A driving shaft of the motor is connected with a three-jaw chuck, when the motor drives the three-jaw chuck to rotate, a cutting pipe can be driven to rotate at the same time, so that the cutting pipe faces the laser cutting head at different angles, meanwhile, an internal electric heating wire is started while the supporting base is used for supporting, and when the cutting pipe rotates, the cutting pipe is driven to rotate. And the cutting pipe part which is not cut can be preheated in advance, so that the cutting pressure of the laser cutting head is reduced, and the problem that the quality of a cutting surface is possibly reduced due to overlong running time of laser cutting equipment is avoided.

Description

Technical Field

[0001] The utility model relates to the field of laser cutting, in particular to a laser cutting machine. Background Art

[0002] As a new type of processing equipment, laser cutting equipment has the advantages of fast speed, high precision, small processing deformation, good cutting cross-section and low processing cost, and is widely used in the cutting industry.

[0003] When laser cutting equipment is cutting objects, if the equipment runs for too long, it may cause the quality of the cut surface to deteriorate and produce burrs.

[0004] Therefore, it is necessary to propose a laser cutting machine to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a laser cutting machine to solve the problem that when laser cutting equipment is cutting an object, when the equipment runs for too long, the quality of the cut surface may be reduced and burrs may be generated.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laser cutting machine, comprising an electric slide rail, a fixed frame fixed on one side of the top of the electric slide rail, a slider slidingly fitted on the electric slide rail, a fixed seat fixed on the top of the slider, a protective box fixed on the top of the fixed seat, a motor fixed on the top of the fixed frame, a driving shaft of the motor connected to a three-jaw chuck, a cutting tube is clamped inside the side of the three-jaw chuck close to the protective box, a support seat is fixed to the bottom end of the inside of the protective box, a heating port is provided at the top of the support seat, an electric heating wire is provided inside the heating port, and the bottom end of the cutting tube is supported on the support seat.

[0007] Preferably, a support frame is fixed on one side of the protective box, one side of the support frame extends into the interior of the protective box, and a laser cutting head is fixed on one side of the extending end, the cutting direction of the laser cutting head is toward the upper surface of the cutting tube, and openings for the cutting tube to pass through are opened on both sides of the protective box.

[0008] Preferably, a V-shaped groove is provided at the top of the support seat, a laser receiving groove is provided in the middle of the V-shaped groove, two heating ports are provided, and the two heating ports are respectively provided on both sides of the laser receiving groove, and the bottom end of the laser cutting head is opposite to the laser receiving groove.

[0009] Preferably, the top end of the laser cutting head extends out of the protection box, and a pipe is connected to the top of the extended end of the laser cutting head. A discharge outlet is provided on one side of the protection box, and the discharge outlet is connected to the protection box.

[0010] Preferably, the three-jaw chuck is movably provided with three movable claws on one side close to the protection box, and the three movable claws are distributed in a triangle, and one end of the cutting tube is fixed in the three movable claws.

[0011] Preferably, a shaft holder is fixed to the top end of the fixing frame, and the driving shaft is rotatably connected to the inside of the shaft holder.

[0012] Preferably, a temperature sensor is provided inside the protection box.

[0013] Technical effects and advantages of this utility model:

[0014] 1. In the actual operation of the present invention, the support seat can support the cutting pipe that needs to be cut. When the laser cutting head is started, it can support the supported cutting pipe. At the same time, according to the length of the cutting pipe, the slider can drive the fixed seat to move on the electric slide rail, which is convenient for supporting cutting pipes of different lengths. At the same time, benefiting from the sliding of the fixed seat, the laser cutting head can follow the fixed seat to move to the appropriate cutting position.

[0015] 2. Furthermore, when the motor drives the three-jaw chuck to rotate, it can also drive the cutting tube to rotate, so that the cutting tube faces the laser cutting head at different angles. At the same time, the support seat is supporting and the internal electric heating wire is started. When the cutting tube is rotating, the uncut part of the cutting tube can be preheated in advance, reducing the cutting pressure of the laser cutting head and avoiding the problem of long-term operation of the laser cutting equipment, which may lead to a decline in the quality of the cutting surface.

[0016] 3. In addition, the protective box can move with the fixed base, and only protects the cutting area and the laser cutting head. It can prevent the metal powder and sparks from scattering during cutting, and play a protective role. It can also collect the metal dust and debris generated by cutting, reduce the collection pressure and reduce the collection range. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of the laser cutting machine of the present utility model.

[0018] Figure 2 This is a structural diagram of the support base and heating port of the utility model.

[0019] Figure 3 It is a structural schematic diagram of the V-shaped groove of the utility model.

[0020] In the figure: 1. Electric slide rail; 2. Fixed seat; 3. Fixed frame; 4. Motor; 5. Three-jaw chuck; 6. Cutting tube; 7. Protective box; 8. Discharge outlet; 9. Support seat; 10. Heating port; 11. Laser cutting head; 12. Support frame; 13. V-groove; 14. Laser receiving groove. DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying drawings in the embodiments of the present invention to clarify the technical solutions in the embodiments of the present invention; it is clear that the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] The utility model provides Figure 1 - Figure 3 The laser cutting machine shown includes an electric slide rail 1, a fixed frame 3 is fixed on one side of the top of the electric slide rail 1, a slider is slidably fitted on the electric slide rail 1, a fixed seat 2 is fixed on the top of the slider, a protective box 7 is fixed on the top of the fixed seat 2, a support frame 12 is fixed on one side of the protective box 7, one side of the support frame 12 extends into the interior of the protective box 7, and a laser cutting head 11 is fixed on one side of the extending end. The slider can move on the electric slide rail 1, thereby driving the fixed seat 2 and the protective box 7 to move along the length direction of the electric slide rail 1.

[0023] A motor 4 is fixed to the top of the fixed frame 3, and the drive shaft of the motor 4 is connected to a three-jaw chuck 5. The three-jaw chuck 5 has a cutting tube 6 clamped inside the side close to the protective box 7. Specifically, the three-jaw chuck 5 has three movable claws arranged on the side close to the protective box 7. The three movable claws are arranged in a triangular shape, and one end of the cutting tube 6 is fixed in the three movable claws. It should be noted that the three-jaw chuck 5 is a common electric movable jaw chuck on the market, which is used to clamp and fix pipes and objects. Since it is a prior art, it will not be described in detail in this application. When the motor 4 rotates, it can drive the three-jaw chuck 5 and the object clamped by the three-jaw chuck 5 to rotate simultaneously.

[0024] A support seat 9 is fixed to the bottom end of the protective box 7, and a heating port 10 is provided at the top of the support seat 9. An electric heating wire is provided inside the heating port 10. The bottom end of the cutting tube 6 is supported on the support seat 9, and the cutting direction of the laser cutting head 11 is toward the upper surface of the cutting tube 6. Both sides of the protective box 7 are provided with through openings for the cutting tube 6 to pass through.

[0025] A V-shaped groove 13 is provided at the top of the support seat 9, and a laser receiving groove 14 is provided in the middle of the V-shaped groove 13. There are two heating ports 10, and the two heating ports 10 are respectively provided on both sides of the laser receiving groove 14. The bottom end of the laser cutting head 11 is opposite to the laser receiving groove 14.

[0026] In the actual operation of the present invention, the support seat 9 can support the cutting tube 6 that needs to be cut. When the laser cutting head 11 is started, it can support the supported cutting tube 6. At the same time, according to the length of the cutting tube 6, the slider can drive the fixed seat 2 to move on the electric slide rail 1, which is convenient for supporting cutting tubes 6 of different lengths. At the same time, benefiting from the ability of the fixed seat 2 to slide, the laser cutting head 11 can follow the fixed seat 2 to move to a suitable cutting position.

[0027] Furthermore, when the motor 4 drives the three-jaw chuck 5 to rotate, it can also drive the cutting tube 6 to rotate, so that the cutting tube 6 faces the laser cutting head 11 at different angles. At the same time, the support seat 9 starts the internal electric heating wire while supporting. When the cutting tube 6 is rotating, the part of the cutting tube 6 that has not been cut can be preheated in advance, reducing the cutting pressure of the laser cutting head 11 and avoiding the problem that the laser cutting head 11 runs for too long, which may lead to a decrease in the quality of the cutting surface.

[0028] In addition, the protection box 7 can move along with the fixing base 2, and only protects and surrounds the cutting area and the laser cutting head 11, thereby preventing the metal powder and sparks from being scattered during cutting, and playing a protective role.

[0029] In addition, the bottom end of the laser cutting head 11 is directly opposite to the laser receiving groove 14, which can prevent the laser from damaging the support seat 9 after the cutting is completed. The support seat 9 can be made of ceramic material.

[0030] The top end of the laser cutting head 11 extends out of the protective box 7, and a pipe is connected to the top of the extended end of the laser cutting head 11. An exhaust port 8 is provided on one side of the protective box 7, and the exhaust port 8 is connected to the protective box 7. The end of the exhaust port 8 can be connected to a vacuum cleaner for absorbing the collected debris and metal dust.

[0031] A shaft holder is fixed to the top of the fixing frame 3, and the driving shaft is rotatably connected to the inside of the shaft holder. A temperature sensor is provided inside the protection box 7 to monitor the temperature inside the protection box 7 in real time.

Claims

1. A laser cutting machine, comprising an electric slide rail (1), characterized in that: A fixing frame (3) is fixed on one side of the top of the electric slide rail (1), a slider is slidably matched on the electric slide rail (1), a fixing seat (2) is fixed on the top of the slider, a protection box (7) is fixed on the top of the fixing seat (2), a motor (4) is fixed on the top of the fixing frame (3), a driving shaft of the motor (4) is connected to a three-jaw chuck (5), a cutting tube (6) is clamped inside the three-jaw chuck (5) on a side close to the protection box (7), a support seat (9) is fixed at the bottom end of the protection box (7), a heating port (10) is provided at the top of the support seat (9), an electric heating wire is provided inside the heating port (10), and the bottom end of the cutting tube (6) is supported on the support seat (9).

2. A laser cutting machine according to claim 1, characterized in that: A support frame (12) is fixed on one side of the protection box (7), one side of the support frame (12) extends into the interior of the protection box (7), and a laser cutting head (11) is fixed on one side of the extending end, the cutting direction of the laser cutting head (11) is toward the upper surface of the cutting tube (6), and both sides of the protection box (7) are provided with openings for the cutting tube (6) to pass through.

3. The laser cutting machine according to claim 2, characterized in that: The top of the support seat (9) is provided with a V-shaped groove (13), the middle of the V-shaped groove (13) is provided with a laser receiving groove (14), two heating ports (10) are provided, and the two heating ports (10) are respectively provided on both sides of the laser receiving groove (14), and the bottom end of the laser cutting head (11) is opposite to the laser receiving groove (14).

4. The laser cutting machine according to claim 2, characterized in that: The top end of the laser cutting head (11) extends out of the protection box (7), and a pipe is connected to the top of the extended end of the laser cutting head (11). A discharge port (8) is provided on one side of the protection box (7), and the discharge port (8) is communicated with the protection box (7).

5. The laser cutting machine according to claim 1, characterized in that: The three-jaw chuck (5) is provided with three movable claws on one side close to the protection box (7), and the three movable claws are distributed in a triangle. One end of the cutting tube (6) is fixed in the three movable claws.

6. The laser cutting machine according to claim 5, characterized in that: A shaft fixer is fixed to the top end of the fixing frame (3), and the driving shaft is rotatably connected to the interior of the shaft fixer.

7. The laser cutting machine according to claim 1, characterized in that: A temperature sensor is provided inside the protection box (7).

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