Laser cutting machine fixing tool

Abstract

The utility model discloses a laser cutting machine fixing tool which comprises a first clamping assembly and a second clamping assembly which are used for fixedly clamping the two ends of a hollow pipe type workpiece respectively. The first clamping assembly is arranged on a first pneumatic linear sliding table module used for driving the first clamping assembly to do linear motion in a certain direction, and the second clamping assembly is arranged on a second pneumatic linear sliding table module used for driving the second clamping assembly to do linear motion in a certain direction. The first pneumatic linear sliding table module is provided with a driving assembly used for driving the hollow pipe workpiece clamped and fixed between the first clamping assembly and the second clamping assembly to rotate at a certain angle. The laser cutting and punching device not only can automatically clean scraps left on the circumferential inner wall and the circumferential inner wall of the hollow pipe type workpiece in the laser cutting and punching process, but also can purify smoke generated when the hollow pipe type workpiece is subjected to laser cutting and punching.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cutting auxiliary equipment technical field, concretely is a kind of laser cutting machine fixed tooling. BACKGROUND

[0002] Laser cutting is irradiated workpiece by high-power density laser beam focused, make the material of being irradiated melt, vaporize, ablate or reach ignition point, while with the high-speed airflow of the same axis of light beam blowing off molten material, thereby realizing the workpiece is cut, laser cutting belongs to one of thermal cutting method, when the circumferential outer wall of hollow tubular workpiece is laser cutting and punching, laser cutting machine fixed tooling is needed to clamp and fix the hollow tubular workpiece.

[0003] Through the retrieval, patent announcement No. CN220659610U discloses a kind of fixed tooling for laser cutting machine, including bottom plate, the upper end of the bottom plate is slidably connected with four back-shaped plates, the bottom plate is equipped with the drive mechanism for driving four back-shaped plates, two clamps are slidably connected in the back-shaped plate, the back-shaped plate is equipped with the adjusting mechanism for adjusting two clamps.It is not scratch to workpiece surface when the utility model clamps and fixes workpiece, and the fixing effect of workpiece is better.

[0004] The existing laser cutting machine fixed tooling in actual use process, laser cutting machine fixed tooling is fixed to the hollow tubular workpiece by laser cutting machine, and laser cutting is carried out, and certain smoke and chippings are generated when laser cutting and punching, the chippings generated by laser cutting and punching are generally remained on the circumferential outer wall and circumferential inner wall of hollow tubular workpiece, after the completion of laser cutting and punching of hollow tubular workpiece, work staff needs to clean the chippings remained on the circumferential outer wall and circumferential inner wall of hollow tubular workpiece, not only increase the workload, also affect processing efficiency, and the smoke generated by laser cutting and punching is easy to pollute working environment, therefore, design a kind of laser cutting machine fixed tooling. UTILITY MODEL CONTENTS

[0005] In view of the defects or deficiencies existing in laser cutting machine fixed tooling, the purpose of the utility model is to provide a kind of laser cutting machine fixed tooling, not only can automatically clean the chippings remained on the circumferential inner wall and circumferential inner wall of hollow tubular workpiece in the process of laser cutting and punching, but also can purify the smoke generated when laser cutting and punching of hollow tubular workpiece.

[0006] To achieve the above-mentioned utility model purposes, the utility model adopts the following technical solutions:

[0007] The utility model provides a kind of laser cutting machine fixed tooling, including the first clamping component and the second clamping component for respectively fixed clamping two ends of hollow pipe workpiece, the first clamping component is arranged in the first pneumatic linear slide module for driving the first clamping component linear motion in certain direction, the second clamping component is arranged in the second pneumatic linear slide module for driving the second clamping component linear motion in certain direction, the first pneumatic linear slide module is provided with the drive component for driving the hollow pipe workpiece clamped fixed between the first clamping component and the second clamping component to rotate at certain angle, the side of the first clamping component is provided with the flue gas purification assembly for sucking the flue gas generated by laser cutting and purifying flue gas, the side of the second clamping component is provided with the debris cleaning assembly for cleaning the debris remaining on the circumferential inner wall of hollow pipe workpiece in laser cutting process, the flue gas purification assembly and debris cleaning assembly are all installed at the top of mounting seat, and mounting seat is installed on the both sides of fixed bottom plate upper surface.

[0008] Preferably, the first clamping component and the second clamping component are combined by the inlet / outlet air cover, the hollow circular truncated cone clamping block, the inlet / outlet air pipe, the hollow rotating shaft and the mounting plate, the hollow rotating shaft is installed at the center position of the end wall of one end of the hollow circular truncated cone clamping block, and the other end of the hollow rotating shaft is installed in the bearing on the outer wall of the mounting plate;

[0009] The inlet / outlet air pipe is installed in the bearing on the circumferential inner wall of the hollow circular truncated cone clamping block, and the other end of the inlet / outlet air pipe penetrates the inside of the hollow rotating shaft and extends to the outside, and the inlet / outlet air cover is installed at the top of the mounting plate.

[0010] Preferably, the drive component is combined by the stepping motor, the driven pulley, the transmission belt and the driving pulley, the driving pulley is installed on the output shaft of the stepping motor, the driving pulley is connected with the driven pulley through the transmission belt, and the driven pulley is arranged on the circumferential outer wall of the hollow rotating shaft of the first clamping component.

[0011] Preferably, the flue gas purification assembly is combined by the plate type air primary filter screen, the plate type activated carbon filter screen, the first U-shaped clamping plate, the first partition plate, the air induction fan and the first box body, the plate type air primary filter screen, the plate type activated carbon filter screen and the first partition plate are sequentially arranged in the first box body from top to bottom, the air induction fan is installed at the center position of the upper surface of the first partition plate, the air induction fan is provided with the air vent below, and the air vent is arranged at the surface center position of the first partition plate.

[0012] Preferably, the air inlet end on the top of the first box is connected with the air outlet end of the air inlet / outlet cover on the first clamping assembly through a conveying pipe, the air outlet end on the side wall of the first box is connected with the air inlet end of the air inlet / outlet pipe on the first clamping assembly through a conveying pipe, the front end wall of the first box is provided with a sealing door, and the sealing door is provided with a safety lock.

[0013] Preferably, the two ends of the plate type air primary filter screen and the plate type activated carbon filter screen are installed in the U-shaped grooves on the first U-shaped clamping plates, and the outer walls of the two ends of the plate type air primary filter screen and the plate type activated carbon filter screen are in clearance fit with the groove walls of the U-shaped grooves on the first U-shaped clamping plates, and the first U-shaped clamping plates are installed on the inner walls of the two sides of the first box.

[0014] Preferably, the debris cleaning assembly is composed of a second box, a second partition plate, a second U-shaped clamping plate, an air exhaust fan, a plate type steel wire filter screen and a collecting groove body, the inside of the second box is provided with the second partition plate and the plate type steel wire filter screen from top to bottom, and the second partition plate is located above the plate type steel wire filter screen, the lower surface of the second partition plate is installed with the air exhaust fan, the upper part of the air exhaust fan is provided with a ventilation hole, and the ventilation hole is arranged at the surface center of the second partition plate.

[0015] Preferably, the two ends of the plate type steel wire filter screen are installed in the U-shaped grooves on the second U-shaped clamping plates, and the outer walls of the two ends of the plate type steel wire filter screen are in clearance fit with the groove walls of the U-shaped grooves on the second U-shaped clamping plates, the second U-shaped clamping plates are installed on the inner walls of the two sides of the second box, the bottom of the inside of the second box is installed with the collecting groove body, the front end wall of the second box is provided with a sealing door, and the sealing door is provided with a safety lock.

[0016] Preferably, the air inlet end on the side wall of the second box is connected with the air outlet end of the air inlet / outlet pipe on the second clamping assembly through a conveying pipe, and the air outlet end on the top of the second box is connected with the air outlet end of the air inlet / outlet cover on the second clamping assembly through a conveying pipe.

[0017] Compared with the prior art, the above one or more technical solutions have the following beneficial effects:

[0018] In the utility model, through the cooperation of first pneumatic linear slide module, second pneumatic linear slide module, first clamping assembly, second clamping assembly and a series of structure setting, when the staff is fixed and clamped to the hollow pipe workpiece, the staff makes the hollow pipe workpiece between the first clamping assembly and the second clamping assembly, the staff starts first pneumatic linear slide module and second pneumatic linear slide module, and first pneumatic linear slide module and second pneumatic linear slide module will drive first clamping assembly and second clamping assembly to move linearly in a certain direction, and the direction of first clamping assembly and second clamping assembly is opposite, and the staff makes the hollow circular table shape clamping block on first clamping assembly and second clamping assembly respectively fixed to the both ends of the hollow pipe workpiece, and the hollow circular table shape clamping block can be fixed and clamped to the hollow pipe workpiece of different inner diameter, so that the tooling can be fixed and clamped to the hollow pipe workpiece of different length and different inner diameter, and the versatility of the tooling is improved, and the use of the staff is facilitated.

[0019] In the utility model, through the cooperation of smoke purification assembly, scrap cleaning assembly and other structures, when the staff starts laser cutting equipment to cut and punch the circumferential outer wall of the hollow pipe workpiece, the staff starts the air suction fan and the exhaust fan, the air suction fan starts to make the air inlet / outlet cover on the first clamping assembly suck the smoke generated by cutting and punching and suck into the inside of the first box, the plate type air primary filter screen in the first box filters the particulate matters in the smoke, and the plate type activated carbon filter screen in the first box adsorbs and purifies the odor in the smoke, so that the tooling can purify the smoke generated when cutting and punching the hollow pipe workpiece.

[0020] In the utility model, through the cooperation of smoke purification assembly, scrap cleaning assembly and other structures, when the staff starts laser cutting equipment to cut and punch the circumferential outer wall of the hollow pipe workpiece, the staff starts the air suction fan and the exhaust fan, the air suction fan starts to make the air inlet / outlet cover on the first clamping assembly suck the smoke generated by cutting and punching and suck into the inside of the first box, the plate type air primary filter screen in the first box filters the particulate matters in the smoke, and the plate type activated carbon filter screen in the first box adsorbs and purifies the odor in the smoke, so that the tooling can purify the smoke generated when cutting and punching the hollow pipe workpiece.

[0021] In the utility model, through cooperation and setting of the scrap cleaning component and other structures, when the exhaust fan on the scrap cleaning component starts and discharges the filtered air to the outer wall of the hollow pipe workpiece through the conveying pipeline and the air inlet / outlet cover on the second clamping component, the residual scrap on the circumferential outer wall of the hollow pipe workpiece can be effectively removed. BRIEF DESCRIPTION OF DRAWINGS

[0022] The drawings accompanying the specification of this utility model form a part of the disclosure of this utility model and serve to provide further understanding of the utility model, and the illustrative embodiments of the utility model and their descriptions serve to explain the utility model, and do not constitute an improper limitation on the utility model.

[0023] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model Figure 1 .

[0024] Figure 2 It is the whole three-dimensional structure schematic diagram of the utility model Figure 2 .

[0025] Figure 3 It is the sectional view of the first clamping component and the second clamping component of the utility model.

[0026] Figure 4 It is the structure schematic diagram of the driving assembly of the utility model.

[0027] Figure 5 It is the sectional view of the flue gas purification component of the utility model;

[0028] Figure 6 It is the structure schematic diagram of the scrap cleaning component of the utility model.

[0029] In the drawing:

[0030] 100, fixed bottom plate;110, mounting seat;

[0031] 200, flue gas purification component;210, plate type air primary filter screen;220, plate type activated carbon filter screen;230, first U-shaped clamping plate;240, first partition plate;250, air blower;260, first box body;

[0032] 300, first pneumatic linear slide module;

[0033] 400, driving assembly;410, stepping motor;420, driven pulley;430, transmission belt;440, driving pulley;

[0034] 500, first clamping component;510, air inlet / outlet cover;520, hollow circular truncated cone clamping block;530, air inlet / outlet pipe;540, hollow rotating shaft;550, mounting plate;

[0035] 600、second clamping assembly;

[0036] 700、second pneumatic linear slide module;

[0037] 800、debris cleaning assembly;810、second box;820、second partition;830、second U-shaped clamping plate;840、exhaust fan;850、plate steel wire filter screen;860、collection tank. DETAILED DESCRIPTION

[0038] The utility model will be further described below in combination with the drawings and embodiments.

[0039] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the utility model belongs.

[0040] It should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0041] As shown in Figures 1-6 A laser cutting machine fixing tool, comprising a first clamping assembly 500 and a second clamping assembly 600 for respectively fixing and clamping both ends of a hollow pipe workpiece, the first clamping assembly 500 is arranged on a first pneumatic linear slide module 300 for driving the first clamping assembly 500 to move linearly in a certain direction, the second clamping assembly 600 is arranged on a second pneumatic linear slide module 700 for driving the second clamping assembly 600 to move linearly in a certain direction, the first pneumatic linear slide module 300 is provided with a driving assembly 400 for driving the hollow pipe workpiece clamped and fixed between the first clamping assembly 500 and the second clamping assembly 600 to rotate at a certain angle, one side of the first clamping assembly 500 is provided with a smoke purification assembly 200 for absorbing and purifying smoke generated by laser cutting, one side of the second clamping assembly 600 is provided with a debris cleaning assembly 800 for cleaning debris remaining on the circumferential inner wall of the hollow pipe workpiece during the laser cutting process, the smoke purification assembly 200 and the debris cleaning assembly 800 are both installed at the top end of a mounting seat 110, and the mounting seat 110 is installed on both sides of the upper surface of a fixed bottom plate 100.

[0042] The first clamping assembly 500 and the second clamping assembly 600 are both composed of the air inlet / outlet cover 510, the hollow circular truncated cone clamping block 520, the air inlet / outlet pipe 530, the hollow rotating shaft 540 and the mounting plate 550. The hollow rotating shaft 540 is installed at the center position of the end wall of the hollow circular truncated cone clamping block 520, and the other end of the hollow rotating shaft 540 is installed in the bearing on the outer wall of the mounting plate 550. The hollow circular truncated cone clamping block 520 can be used to fix and clamp hollow pipe workpieces with different inner diameters.

[0043] The air inlet / outlet pipe 530 is installed in the bearing on the circumferential inner wall of the hollow circular truncated cone clamping block 520, and the other end of the air inlet / outlet pipe 530 penetrates the inside of the hollow rotating shaft 540 and extends to the outside. The air inlet / outlet cover 510 is installed at the top end of the mounting plate 550.

[0044] The driving assembly 400 is composed of the stepping motor 410, the driven pulley 420, the transmission belt 430 and the driving pulley 440. The driving pulley 440 is installed on the output shaft of the stepping motor 410, and the driving pulley 440 is connected with the driven pulley 420 through the transmission belt 430. The driven pulley 420 is arranged on the circumferential outer wall of the hollow rotating shaft 540 of the first clamping assembly 500. When the stepping motor 410 is started, the driving pulley 440 will rotate, and the driving pulley 440 will drive the driven pulley 420 to rotate through the transmission belt 430. When the driven pulley 420 rotates, the hollow rotating shaft 540 of the first clamping assembly 500 will rotate, and the hollow rotating shaft 540 of the first clamping assembly 500 will drive the hollow pipe workpiece fixed and clamped between the first clamping assembly 500 and the second clamping assembly 600 to rotate at a certain angle, so as to facilitate the staff to perform laser cutting and punching on different positions of the circumferential outer wall of the hollow pipe workpiece without manual adjustment.

[0045] The flue gas purification assembly 200 is composed of the plate type air primary filter screen 210, the plate type activated carbon filter screen 220, the first U-shaped clamping plate 230, the first partition plate 240, the induced draft fan 250 and the first box body 260. The plate type air primary filter screen 210, the plate type activated carbon filter screen 220 and the first partition plate 240 are sequentially arranged in the first box body 260 from top to bottom. The induced draft fan 250 is installed at the center position of the upper surface of the first partition plate 240. The induced draft fan 250 is provided with a ventilation hole below the induced draft fan 250, and the ventilation hole is arranged at the center position of the surface of the first partition plate 240.

[0046] The air inlet end on the top of the first box body 260 is connected with the air outlet end of the air inlet / outlet cover 510 on the first clamping assembly 500 through a conveying pipe, the air outlet end on the outer wall of one side of the first box body 260 is connected with the air inlet end of the air inlet / outlet pipe 530 on the first clamping assembly 500 through a conveying pipe, and the front end wall of the first box body 260 is provided with a sealing door, and the sealing door is provided with a safety lock.

[0047] The two ends of the plate type air primary filter screen 210 and the plate type activated carbon filter screen 220 are installed in the U-shaped grooves on the first U-shaped clamping plate 230, and the outer walls of the two ends of the plate type air primary filter screen 210 and the plate type activated carbon filter screen 220 are in gap cooperation with the groove walls of the U-shaped grooves on the first U-shaped clamping plate 230, and the first U-shaped clamping plate 230 is installed on the inner walls of the two sides of the first box body 260. Since the outer walls of the two ends of the plate type air primary filter screen 210 and the plate type activated carbon filter screen 220 are in gap cooperation with the groove walls of the U-shaped grooves on the first U-shaped clamping plate 230, it is convenient for workers to disassemble, replace or clean the plate type air primary filter screen 210 and the plate type activated carbon filter screen 220.

[0048] The debris cleaning assembly 800 is composed of a second box body 810, a second partition plate 820, a second U-shaped clamping plate 830, an air exhaust fan 840, a plate type steel wire filter screen 850 and a collection groove body 860. The inside of the second box body 810 is provided with the second partition plate 820 and the plate type steel wire filter screen 850, and the second partition plate 820 is located above the plate type steel wire filter screen 850. The air exhaust fan 840 is installed on the lower surface center of the second partition plate 820, and the air exhaust fan 840 is provided with a ventilation hole above the air exhaust fan 840, and the ventilation hole is arranged on the surface center of the second partition plate 820.

[0049] The two ends of the plate type steel wire filter screen 850 are installed in the U-shaped grooves on the second U-shaped clamping plate 830, and the outer walls of the two ends of the plate type steel wire filter screen 850 are in gap cooperation with the groove walls of the U-shaped grooves on the second U-shaped clamping plate 830. The second U-shaped clamping plate 830 is installed on the inner walls of the two sides of the second box body 810. The collection groove body 860 is installed at the bottom of the inside of the second box body 810. The collection groove body 860 is arranged to collect the debris blocked by the plate type steel wire filter screen 850, which facilitates workers to centrally process the collected debris. The front end wall of the second box body 810 is provided with a sealing door, and the sealing door is provided with a safety lock. Since the outer walls of the two ends of the plate type steel wire filter screen 850 are in gap cooperation with the groove walls of the U-shaped grooves on the second U-shaped clamping plate 830, it is convenient for workers to disassemble, replace or clean the plate type steel wire filter screen 850.

[0050] The air inlet end on one side of the second box body 810 is connected to the air outlet end of the second clamping assembly 600 through a conveying pipeline, and the air outlet end on the top of the second box body 810 is connected to the air outlet end of the second clamping assembly 600 through a conveying pipeline.

[0051] Working principle: when in use, the tool is fixedly installed on the laser cutting equipment, and the external power supply is turned on. When the worker fixes and clamps the hollow pipe workpiece, the worker makes the hollow pipe workpiece located between the first clamping assembly 500 and the second clamping assembly 600. The worker starts the first pneumatic linear slide module 300 and the second pneumatic linear slide module 700. The first pneumatic linear slide module 300 and the second pneumatic linear slide module 700 will drive the first clamping assembly 500 and the second clamping assembly 600 to move linearly in a certain direction respectively, and the moving direction of the first clamping assembly 500 is opposite to that of the second clamping assembly 600. The worker makes the hollow circular table-shaped clamping blocks 520 on the first clamping assembly 500 and the second clamping assembly 600 respectively fix the two ends of the hollow pipe workpiece. After the fixing of the hollow pipe workpiece is completed, when the worker starts the laser cutting equipment to perform laser cutting and punching on the circumferential outer wall of the hollow pipe workpiece, the worker starts the air blower 250 and the exhaust fan 840. The air blower 250 is started to make the air inlet / exhaust hood 510 on the first clamping assembly 500 suck the smoke generated by laser cutting and punching and suck it into the inside of the first box body 260. The plate type air primary filter screen 210 in the first box body 260 filters the particulate matters in the smoke. The plate type activated carbon filter screen 220 in the first box body 260 adsorbs and purifies the odor in the smoke, so that the tool can purify the smoke generated when the hollow pipe workpiece is laser cut and punched. When the air blower 250 on the smoke purification assembly 200 is started, the purified air is discharged to the inside of the hollow pipe workpiece through the conveying pipeline and the air inlet / outlet pipe 530 on the first clamping assembly 500. The exhaust fan 840 on the debris cleaning assembly 800 is started and air is sucked into the inside of the hollow pipe workpiece through the conveying pipeline and the air inlet / outlet pipe 530 on the second clamping assembly 600. The air flow channel formed between the air exhaust of the smoke purification assembly 200 and the air suction of the debris cleaning assembly 800 can effectively suck the debris on the circumferential inner wall of the hollow pipe workpiece into the inside of the second box body 810. The plate type steel wire filter screen 850 in the second box body 810 filters and blocks the sucked debris, so that the debris remaining on the circumferential inner wall of the hollow pipe workpiece during the laser cutting and punching process can be automatically cleaned. When the exhaust fan 840 on the debris cleaning assembly 800 is started and the filtered air is discharged to the outer wall of the hollow pipe workpiece through the conveying pipeline and the air inlet / exhaust hood 510 on the second clamping assembly 600, the debris remaining on the circumferential outer wall of the hollow pipe workpiece can be effectively removed.

[0052] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A laser cutting machine fixing tool, comprising a first clamping assembly (500) and a second clamping assembly (600) for respectively fixing and clamping two ends of a hollow pipe workpiece, characterized in that: The first clamping assembly (500) is arranged on the first pneumatic linear slide module (300) for driving the first clamping assembly (500) to move linearly in a certain direction, the second clamping assembly (600) is arranged on the second pneumatic linear slide module (700) for driving the second clamping assembly (600) to move linearly in a certain direction, the first pneumatic linear slide module (300) is provided with a driving assembly (400) for driving the hollow pipe workpiece clamped between the first clamping assembly (500) and the second clamping assembly (600) to rotate at a certain angle, one side of the first clamping assembly (500) is provided with a smoke purification assembly (200) for absorbing and purifying the smoke generated by laser cutting, one side of the second clamping assembly (600) is provided with a debris cleaning assembly (800) for cleaning the debris remaining on the circumferential inner wall of the hollow pipe workpiece during laser cutting, and the smoke purification assembly (200) and the debris cleaning assembly (800) are installed at the top end of the mounting seat (110), and the mounting seat (110) is installed on the two sides of the upper surface of the fixed bottom plate (100).

2. The laser cutting machine fixture tooling of claim 1, wherein: The first clamping assembly (500) and the second clamping assembly (600) are both composed of an air inlet / outlet cover (510), a hollow circular truncated cone clamping block (520), an air inlet / outlet pipe (530), a hollow rotating shaft (540) and a mounting plate (550), the hollow rotating shaft (540) is installed at the center of the end wall of one end of the hollow circular truncated cone clamping block (520), and the other end of the hollow rotating shaft (540) is installed in the bearing on the outer wall of the mounting plate (550); The air inlet / outlet pipe (530) is installed in the bearing on the circumferential inner wall of the hollow circular truncated cone clamping block (520), and the other end of the air inlet / outlet pipe (530) penetrates the inside of the hollow rotating shaft (540) and extends to the outside, and the air inlet / outlet cover (510) is installed at the top end of the mounting plate (550).

3. The laser cutting machine fixture of claim 1, wherein: The driving assembly (400) is composed of a stepping motor (410), a driven pulley (420), a transmission belt (430) and a driving pulley (440), the driving pulley (440) is installed on the output shaft of the stepping motor (410), the driving pulley (440) is connected with the driven pulley (420) through the transmission belt (430), and the driven pulley (420) is arranged on the circumferential outer wall of the hollow rotating shaft (540) of the first clamping assembly (500).

4. The laser cutting machine fixture of claim 1, wherein: The flue gas purification assembly (200) is composed of a plate type air primary filter screen (210), a plate type activated carbon filter screen (220), a first U-shaped clamping plate (230), a first partition plate (240), an induced draft fan (250) and a first box body (260), the plate type air primary filter screen (210), the plate type activated carbon filter screen (220) and the first partition plate (240) are sequentially arranged in the first box body (260) from top to bottom, the induced draft fan (250) is installed on the upper surface center of the first partition plate (240), a ventilation hole is arranged below the induced draft fan (250) and is arranged on the surface center of the first partition plate (240).

5. The laser cutting machine fixture of claim 4, wherein: The air inlet end on the top of the first box body (260) is connected with the air outlet end of the first clamping assembly (500) through a conveying pipeline, the air outlet end on the outer wall of one side of the first box body (260) is connected with the air inlet end of the first clamping assembly (500) through a conveying pipeline, and the front end wall of the first box body (260) is provided with a sealing door, and the sealing door is provided with a safety lock.

6. The laser cutting machine fixture of claim 5, wherein: The plate type air primary filter screen (210) and the plate type activated carbon filter screen (220) are installed in the U-shaped groove on the first U-shaped clamping plate (230), and the outer walls of the two ends of the plate type air primary filter screen (210) and the plate type activated carbon filter screen (220) are gap-fitted with the groove walls of the U-shaped groove on the first U-shaped clamping plate (230), and the first U-shaped clamping plate (230) is installed on the inner walls of the two sides of the first box body (260).

7. The laser cutting machine fixture of claim 1, wherein: The debris cleaning assembly (800) is composed of a second box body (810), a second partition plate (820), a second U-shaped clamping plate (830), an exhaust fan (840), a plate type steel wire filter screen (850) and a collecting groove body (860), the second partition plate (820) and the plate type steel wire filter screen (850) are arranged on the inside of the second box body (810), the second partition plate (820) is arranged above the plate type steel wire filter screen (850), the exhaust fan (840) is installed on the lower surface center of the second partition plate (820), a ventilation hole is arranged above the exhaust fan (840) and is arranged on the surface center of the second partition plate (820).

8. The laser cutting machine fixture of claim 7, wherein: The plate type steel wire filter screen (850) is installed in the U-shaped groove on the second U-shaped clamping plate (830), and the outer walls of the two ends of the plate type steel wire filter screen (850) are gap-fitted with the groove walls of the U-shaped groove on the second U-shaped clamping plate (830), the second U-shaped clamping plate (830) is installed on the inner walls of the two sides of the second box body (810), the collecting groove body (860) is installed at the bottom of the inside of the second box body (810), the front end wall of the second box body (810) is provided with a sealing door, and the sealing door is provided with a safety lock.

9. The laser cutting machine fixture of claim 8, wherein: The air inlet end on one side outer wall of the second box (810) is connected with the air outlet end of the air inlet / outlet pipe (530) on the second clamping assembly (600) through a conveying pipe, and the air outlet end on the top of the second box (810) is connected with the air outlet end of the air inlet / exhaust cover (510) on the second clamping assembly (600) through a conveying pipe.

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