Three-dimensional laser cutting machine

Abstract

The utility model discloses a three-dimensional laser cutting machine which comprises an operation table, a rotary fixing assembly is installed on the operation table, a stand column is fixed to the upper surface of the operation table, and a laser cutting displacement assembly is fixed to the stand column. A laser cutting adjusting assembly and a laser cutting dust cleaning assembly are mounted on the laser cutting displacement assembly; according to the laser cutting dust cleaning device, due to the design that the laser cutting dust cleaning assembly is additionally arranged, when an object is subjected to laser cutting, the negative pressure draught fan is started at the same time, air is extracted from the dust containing barrel through the negative pressure air pipe, dust generated by laser cutting can be sucked into the dust suction head due to the pressure difference and enters the dust containing barrel along the dust suction hose, and the dust is removed. And after being filtered by the filter screen cylinder, the dust is remained in the dust storage cylinder, so that the dust is prevented from possibly polluting related parts and workpieces in a laser cutting machine tool or a laser cutting workshop to influence the normal operation of the laser cutting machine, and the practicability of the device is improved.

Description

Technical Field

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

[0002] Laser cutting machines are used to cut processing materials fixed on a workbench. With the improvement of living standards, people are more and more interested in artworks, and the materials of artworks are becoming more and more diverse, which puts higher requirements on the processing performance of laser cutting machines.

[0003] After searching, the Chinese patent document application number is CN201710407075.5. The invention discloses a three-dimensional engraving machine, including a fixed bracket, a gantry, a linear motor, a crossbeam, an X-direction guide structure, a Z-direction guide structure, an engraving device, a cooling system, a positioning device and an automatic tool changing device. The linear motor is arranged on both sides of the fixed bracket, the gantry is arranged on the linear motor, the crossbeam is arranged on the upper end of the gantry, the X-direction guide structure is arranged on the crossbeam, the Z-direction guide structure is arranged on the X-direction guide structure, the engraving device is arranged on the Z-direction guide structure, the outlet of the cooling system corresponds to the engraving device, the automatic tool changing device is arranged on one side of the engraving device, and the positioning device is arranged on the platform of the fixed bracket. The engraving machine of this invention has a wide range of applications, high processing accuracy, low environmental pollution and a higher degree of mechanization.

[0004] But the invention also has the following defects:

[0005] When operators use this invention to perform laser cutting operations, a large amount of dust may be generated due to the laser cutting of materials. This dust may contaminate the laser cutting machine or related parts and workpieces in the laser cutting workshop, affecting the normal operation of the laser cutting machinery. At the same time, it is not conducive to the cleaning of the operating space and affects the health of the operator. Therefore, we need to propose a three-dimensional laser cutting machine to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a three-dimensional laser cutting machine, which adds a laser cutting dust cleaning component. When laser cutting an object, the laser cutting dust cleaning component can timely absorb and store the dust generated in the laser cutting process, thereby preventing the dust from possibly contaminating the laser cutting machine tool or related parts and workpieces in the laser cutting workshop, affecting the normal operation of the laser cutting machine, and at the same time keeping the operating space clean and tidy and protecting the health of the operator, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a three-dimensional laser cutting machine, comprising an operating table, a rotating fixing component is installed on the operating table, a column is fixed on the upper surface of the operating table, a laser cutting displacement component is fixed on the column, and a laser cutting adjustment component and a laser cutting dust cleaning component are installed on the laser cutting displacement component;

[0008] The laser cutting dust cleaning assembly includes a dust collection cylinder, a suction interface with a check valve structure is installed at the lower end of the side wall of the dust collection cylinder, the dust collection cylinder is connected to a retractable dust suction hose through the suction interface, and the end of the dust suction hose away from the suction interface is connected to a dust suction head.

[0009] Preferably, a filter screen cylinder is installed in the dust collection cylinder, a negative pressure fan is installed at the upper end of the dust collection cylinder, the lower end of the negative pressure fan is connected to a negative pressure air duct, one end of the negative pressure air duct away from the negative pressure fan extends into the dust collection cylinder, and the filter screen cylinder is sleeved on the outside of the negative pressure air duct.

[0010] Preferably, a limited position sliding cavity is provided at the inner axis of the operating table, and four legs are installed on the lower surface of the operating table.

[0011] Preferably, the rotating fixing assembly includes a rotating seat, which is rotatably connected to the upper surface of the operating table, and a plurality of groups of clamping seats are fixed to the upper surface of the rotating seat, and the inner sides of the plurality of groups of clamping seats are in a stepped structure.

[0012] Preferably, the rotating fixing assembly also includes a rotating motor, the base of the rotating motor is fixed on the lower surface of the operating table, the output shaft of the rotating motor is connected to a rotating rod, and the end of the rotating rod away from the rotating motor passes through the operating table and the limiting sliding cavity and is fixed at the axis center of the lower surface of the rotating seat.

[0013] Preferably, a limit turntable is fixed on the rotating rod, and the limit turntable is rotatably connected in the limit sliding cavity.

[0014] Preferably, the laser cutting displacement assembly includes a displacement beam, which is fixed at the upper end of the column, a first displacement limiting groove is provided on the lower surface of the displacement beam, and a second displacement limiting groove is provided on the side surface of the displacement beam, and the first displacement limiting groove and the second displacement limiting groove are connected.

[0015] Preferably, a displacement motor is installed on the displacement beam, a threaded rod is connected to the output shaft of the displacement motor, the threaded rod is rotatably connected in the first displacement limiting slide groove, and rubber anti-collision rings are provided at both ends of the threaded rod.

[0016] Preferably, the laser cutting adjustment component includes a displacement slider, which slides directionally in a first displacement limit slide groove, a screw sleeve is embedded in the displacement slider, and the displacement slider is threadedly connected to the threaded rod through the screw sleeve, an electric telescopic rod is installed on the lower surface of the displacement slider, and a laser cutting mounting seat is installed on the piston rod of the electric telescopic rod.

[0017] Preferably, a laser cutting head is installed at the lower end of the laser cutting mount, a dust collector head fixing seat is installed on the side end of the laser cutting mount, the dust collector head is clamped on the dust collector head fixing seat, a connecting slider is installed on the side surface of the displacement slider, the connecting slider is slidably connected to the second displacement limiting slide groove, a dust collection hose fixing card is fixed on the connecting slider, and the dust collection hose is fixed on the dust collection hose fixing card.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model adds a design of a laser cutting dust cleaning component. When an object is laser cut, the negative pressure fan is started at the same time, and air is extracted from the dust collection cylinder through the negative pressure air duct. Due to the pressure difference, the dust generated by the laser cutting will be sucked into the dust collection head and enter the dust collection cylinder along the dust collection hose. After being filtered by the filter cylinder, it will remain in the dust collection cylinder, thereby preventing the dust from possibly polluting the laser cutting machine tool or related parts and workpieces in the laser cutting workshop and affecting the normal operation of the laser cutting machine. At the same time, it can keep the operating space clean and tidy and protect the health of the operator, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the laser cutting displacement component and the laser cutting adjustment component of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the laser cutting dust cleaning component of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the rotating fixing component of the utility model.

[0024] In the figure: 100, operating table; 110, supporting leg; 120, column; 130, limit sliding cavity; 200, rotating fixed component; 201, rotating seat; 202, rotating motor; 203, rotating rod; 204, limit turntable; 205, holder; 300, laser cutting displacement component; 301, displacement beam; 302, first displacement limit sliding groove; 303, threaded rod; 304, rubber anti-collision ring; 305, displacement motor; 311, second displacement limit sliding groove; 312, connecting rod; Connecting slider; 400, laser cutting adjustment component; 401, displacement slider; 402, screw sleeve; 403, electric telescopic rod; 404, laser cutting mounting seat; 405, laser cutting head; 500, laser cutting dust cleaning component; 501, dust collection cylinder; 502, air suction interface; 503, dust suction hose; 504, dust suction hose fixing card; 505, dust suction head fixing seat; 506, dust suction head; 511, filter cylinder; 512, negative pressure fan; 513, negative pressure air duct. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 The utility model provides a technical solution: a three-dimensional laser cutting machine, comprising an operating table 100, a rotating fixing component 200 is installed on the operating table 100, a column 120 is fixed on the upper surface of the operating table 100, a laser cutting displacement component 300 is fixed on the column 120, and a laser cutting adjustment component 400 and a laser cutting dust cleaning component 500 are installed on the laser cutting displacement component 300;

[0027] The laser cutting dust cleaning assembly 500 includes a dust collection tube 501. A suction port 502 with a check valve structure is installed at the lower end of the side wall of the dust collection tube 501 to maintain the overall sealing of the dust collection tube 501 and prevent dust from escaping. The dust collection tube 501 is connected to a retractable dust collection hose 503 through the suction port 502, so that the dust collection hose 503 can be extended when the connecting slider 312 moves. The end of the dust collection hose 503 away from the suction port 502 is connected to a dust collection head 506.

[0028] When laser cutting an object, the negative pressure fan 512 is started at the same time, and air is extracted from the dust collection cylinder 501 through the negative pressure air duct 513. Due to the pressure difference, the dust generated by the laser cutting will be sucked into the dust collection head 506, and enter the dust collection cylinder 501 along the dust collection hose 503. After being filtered by the filter cylinder 511, it will remain in the dust collection cylinder 501, thereby preventing the dust from possibly polluting the laser cutting machine or related parts and workpieces in the laser cutting workshop, affecting the normal operation of the laser cutting machine, and at the same time keeping the operating space clean and tidy and protecting the health of the operator, thereby improving the practicality of the device.

[0029] A filter cylinder 511 is installed in the dust collection cylinder 501, a negative pressure fan 512 is installed at the upper end of the dust collection cylinder 501, and a negative pressure air duct 513 is connected to the lower end of the negative pressure fan 512. The end of the negative pressure air duct 513 away from the negative pressure fan 512 extends into the dust collection cylinder 501, and the filter cylinder 511 is sleeved on the outside of the negative pressure air duct 513, so that when the negative pressure fan 512 is running, the filter cylinder 511 can filter out the dust and clean air is discharged from the dust collection cylinder 501.

[0030] A limited sliding cavity 130 is provided at the axis center of the operating table 100 to facilitate practical cooperation with the rotating fixing assembly 200 and prevent the rotating fixing assembly 200 from displacement. Four legs 110 are installed on the lower surface of the operating table 100.

[0031] The rotating fixing assembly 200 includes a rotating seat 201, which is rotatably connected to the upper surface of the operating table 100. Multiple groups of clamping seats 205 are fixed to the upper surface of the rotating seat 201. The inner sides of the multiple groups of clamping seats 205 are stepped structures, which are convenient for clamping objects of different sizes to be laser cut.

[0032] The rotating and fixing assembly 200 also includes a rotating motor 202, the base of the rotating motor 202 is fixed on the lower surface of the operating table 100, and the output shaft of the rotating motor 202 is connected to a rotating rod 203. The end of the rotating rod 203 away from the rotating motor 202 passes through the operating table 100 and the limiting sliding cavity 130 and is fixed at the axis center of the lower surface of the rotating seat 201. The rotating motor 202 is operated to rotate the object to be laser cut, which facilitates multi-directional laser cutting by the laser cutting head 405.

[0033] A limit turntable 204 is fixed on the rotating rod 203 , and the limit turntable 204 is rotatably connected in the limit sliding cavity 130 to prevent the rotating seat 201 from being displaced when rotating.

[0034] The laser cutting displacement assembly 300 includes a displacement beam 301, which is fixed to the upper end of the column 120. A first displacement limiting slot 302 is provided on the lower surface of the displacement beam 301, and a second displacement limiting slot 311 is provided on the side surface of the displacement beam 301. The first displacement limiting slot 302 and the second displacement limiting slot 311 are connected.

[0035] A displacement motor 305 is installed on the displacement beam 301, and a threaded rod 303 is connected to the output shaft of the displacement motor 305. The threaded rod 303 is rotatably connected in the first displacement limiting slide groove 302. Rubber anti-collision rings 304 are sleeved on both ends of the threaded rod 303 to prevent the displacement slider 401 from hitting the two sides of the first displacement limiting slide groove 302 when the displacement slider 401 is threadedly engaged with the threaded rod 303 through the threaded sleeve 402, thereby causing damage to the components of the laser cutting displacement assembly 300 or the laser cutting adjustment assembly 400;

[0036] The laser cutting adjustment component 400 includes a displacement slider 401, which slides directionally in the first displacement limiting slot 302. A screw sleeve 402 is embedded in the displacement slider 401, and the displacement slider 401 is threadedly connected to the threaded rod 303 through the screw sleeve 402. When in use, the displacement motor 305 is operated and the transmission threaded rod 303 is rotated, so that the displacement slider 401 can be directed to move in the first displacement limiting slot 302, so that the laser cutting head 405 can laser cut different positions of the object to be laser cut. An electric telescopic rod 403 is installed on the lower surface of the displacement slider 401, and a laser cutting mounting seat 404 is installed on the piston rod of the electric telescopic rod 403, so that the horizontal height of the laser cutting head 405 can be adjusted by the electric telescopic rod 403, so that objects to be laser cut or parts of objects to be laser cut at different heights can be laser cut.

[0037] A laser cutting head 405 is installed at the lower end of the laser cutting mounting seat 404, and a dust suction head fixing seat 505 is installed on the side end of the laser cutting mounting seat 404. The dust suction head 506 is clamped on the dust suction head fixing seat 505, which is convenient for fixing the dust suction head 506 so that it is always aligned with the laser cutting head 405 for accurate and thorough dust collection. A connecting slider 312 is installed on the side surface of the displacement slider 401, and the connecting slider 312 is slidably connected to the second displacement limiting slide groove 311. A dust suction hose fixing card 504 is fixed on the connecting slider 312, and the dust suction hose 503 is fixed on the dust suction hose fixing card 504, which is convenient for fixing the dust suction hose 503 to prevent it from swinging around.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A three-dimensional laser cutting machine, comprising an operating table (100), characterized in that: A rotating fixing assembly (200) is installed on the operating table (100), a column (120) is fixed on the upper surface of the operating table (100), a laser cutting displacement assembly (300) is fixed on the column (120), and a laser cutting adjustment assembly (400) and a laser cutting dust cleaning assembly (500) are installed on the laser cutting displacement assembly (300); A limited sliding cavity (130) is provided at the inner axis of the operating table (100); four legs (110) are installed on the lower surface of the operating table (100); the rotating fixed assembly (200) comprises a rotating seat (201) and a rotating motor (202); the rotating seat (201) is rotatably connected to the upper surface of the operating table (100); a plurality of groups of card seats (205) are fixed on the upper surface of the rotating seat (201); the inner sides of the plurality of groups of card seats (205) are in a stepped structure; The base of the rotating motor (202) is fixed on the lower surface of the operating table (100); the output shaft of the rotating motor (202) is connected to a rotating rod (203); one end of the rotating rod (203) away from the rotating motor (202) passes through the operating table (100) and the position-limiting sliding cavity (130) and is fixed at the axis center of the lower surface of the rotating seat (201); a position-limiting rotating disk (204) is fixed on the rotating rod (203); the position-limiting rotating disk (204) is rotatably connected in the position-limiting sliding cavity (130); The laser cutting dust cleaning assembly (500) comprises a dust collection cylinder (501), a suction interface (502) having a check valve structure is installed at the lower end of the side wall of the dust collection cylinder (501), the dust collection cylinder (501) is connected to a retractable dust suction hose (503) via the suction interface (502), and the end of the dust suction hose (503) away from the suction interface (502) is connected to a dust suction head (506).

2. The three-dimensional laser cutting machine according to claim 1, characterized in that: A filter cylinder (511) is installed in the dust collection cylinder (501), a negative pressure fan (512) is installed at the upper end of the dust collection cylinder (501), and the lower end of the negative pressure fan (512) is connected to a negative pressure air duct (513), an end of the negative pressure air duct (513) away from the negative pressure fan (512) extends into the dust collection cylinder (501), and the filter cylinder (511) is sleeved on the outside of the negative pressure air duct (513).

3. The three-dimensional laser cutting machine according to claim 2, characterized in that: The laser cutting displacement assembly (300) comprises a displacement beam (301), the displacement beam (301) being fixed to the upper end of the column (120), a first displacement limiting sliding groove (302) being provided on the lower surface of the displacement beam (301), a second displacement limiting sliding groove (311) being provided on the side surface of the displacement beam (301), and the first displacement limiting sliding groove (302) and the second displacement limiting sliding groove (311) being connected.

4. The three-dimensional laser cutting machine according to claim 3, characterized in that: A displacement motor (305) is mounted on the displacement crossbeam (301), a threaded rod (303) is connected to the output shaft of the displacement motor (305), the threaded rod (303) is rotatably connected in the first displacement limiting sliding groove (302), and rubber anti-collision rings (304) are sleeved on both ends of the threaded rod (303).

5. The three-dimensional laser cutting machine according to claim 4, characterized in that: The laser cutting adjustment component (400) comprises a displacement slider (401), the displacement slider (401) directionally slides in a first displacement limiting slide groove (302), a threaded sleeve (402) is embedded in the displacement slider (401), the displacement slider (401) is threadedly connected to a threaded rod (303) via the threaded sleeve (402), an electric telescopic rod (403) is installed on the lower surface of the displacement slider (401), and a laser cutting mounting seat (404) is installed on the piston rod of the electric telescopic rod (403).

6. The three-dimensional laser cutting machine according to claim 5, characterized in that: A laser cutting head (405) is mounted on the lower end of the laser cutting mounting seat (404); a dust suction head fixing seat (505) is mounted on the side end of the laser cutting mounting seat (404); the dust suction head (506) is clamped on the dust suction head fixing seat (505); a connecting slider (312) is mounted on the side surface of the displacement slider (401); the connecting slider (312) is slidably connected to the second displacement limiting slide groove (311); a dust suction hose fixing card (504) is fixed on the connecting slider (312); and the dust suction hose (503) is fixed on the dust suction hose fixing card (504).

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