Vehicle rear door 3D laser cutting equipment

Abstract

The utility model provides a vehicle rear door 3D laser cutting device which comprises a portal frame installed on the ground, a multi-axis mechanical arm arranged on the portal frame, a laser cutting head connected to the bottom end of the multi-axis mechanical arm, a bottom frame arranged on the ground and located under the multi-axis mechanical arm, and a collecting frame arranged in the bottom frame in a sliding mode. The vehicle rear door 3D laser cutting equipment comprises a bottom frame, a mounting table arranged on the rear side of the bottom frame, a fixing assembly fixed to the bottom frame and the mounting table, a chip collecting assembly arranged on the fixing assembly and the mounting table, and a positioning assembly mounted on the fixing assembly. According to the rear door cutting device, the rear door needing to be cut can be accurately and stably positioned and supported, so that the accuracy of the cutting position of the rear door is guaranteed, the cutting quality of the rear door is guaranteed, and during cutting, the arranged chip collecting assembly can collect harmful gas and metal cutting dust, so that the working environment is prevented from being polluted, and the health of workers is prevented from being affected.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle production, and in particular to a 3D laser cutting device for a vehicle rear door. Background Art

[0002] The car door provides a passage for the driver and passengers to enter and exit the vehicle, isolates the interference outside the car, reduces side impact to a certain extent, and protects the occupants. The beauty of the car is also related to the shape of the car door. The quality of the car door is mainly reflected in the anti-collision performance of the car door, the sealing performance of the car door, the convenience of opening and closing of the car door, and of course other indicators of use functions. The existing three-dimensional laser cutting machine used for cutting car doors is generally composed of a robotic arm and a laser cutting machine.

[0003] However, existing 3D laser cutting equipment has some defects or shortcomings:

[0004] 1. The laser cutting equipment heats the surface of the metal door to melt and vaporize it. The metal vapor and small particles formed constitute the metal cutting dust. The metal cutting dust is tiny and easy to suspend. The heavy metal elements such as lead, cadmium and chromium are harmful to human health. If the workers inhale it directly into the lungs, it will cause serious physical damage;

[0005] 2. The rear door of the car is supported by a bracket before cutting. However, when a large number of rear doors are cut, the placement of the rear door cannot be accurately positioned, the positioning accuracy is not high, and it is not convenient to fix the rear door, resulting in inaccurate cutting position of the rear door, which will affect the cutting quality of the rear of the car. Utility Model Content

[0006] The purpose of the utility model is to provide a vehicle rear door 3D laser cutting device to solve the above problems.

[0007] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides a 3D laser cutting device for a rear door of a vehicle, comprising: a gantry installed on the ground, a multi-axis robot arm arranged on the gantry, a laser cutting head connected to the bottom end of the multi-axis robot arm, a base frame arranged on the ground and located directly below the multi-axis robot arm, a collection frame slidably arranged in the base frame, a mounting table arranged at the rear side of the base frame, a fixing component fixed on the base frame and the mounting table, a chip collection component arranged on the fixing component and the mounting table, and a positioning component installed on the fixing component, wherein

[0008] The fixing assembly is suitable for providing support and limitation for the rear door of the vehicle to prevent the rear door that needs to be cut from shifting;

[0009] The chip collecting assembly is suitable for collecting gas chips generated when the laser cutting head cuts the rear door of the vehicle;

[0010] The positioning assembly is suitable for adjusting the position of the rear door of the vehicle before the fixing assembly is used.

[0011] Furthermore, the chip collection assembly includes a circular dust collection sleeve arranged in the fixed assembly, a plurality of collection holes equidistantly arranged on both sides inside and outside the circular dust collection sleeve, a fan and a chip collection box installed on the mounting platform, a shunt pipe connected to the circular dust collection sleeve at both ends, an air inlet pipe connected to one side of the chip collection box at one end and connected to the shunt pipe at the other end, and an air outlet pipe connected to the air inlet end of the fan at one end and connected to the other side of the chip collection box at the other end.

[0012] Furthermore, the fixing assembly includes a support frame fixed to the upper surface of the base frame, a plurality of cross bars arranged in the support frame, a plurality of rack plates fixed on the support frame and the plurality of cross bars, a plurality of rack plates provided on the plurality of rack plates and used for installing the circular dust collecting sleeve assembly groove, a positioning rod symmetrically fixed on the circular dust collecting sleeve, two adjusting components respectively arranged on the two positioning rods, and two fixing platforms respectively arranged on the two adjusting components.

[0013] Furthermore, the chip collection assembly also includes a filter plate and a plurality of activated carbon plates respectively movably inserted in the chip collection box, and a chip collection frame slidably installed in the chip collection box;

[0014] The chip collecting frame is arranged between the air inlet pipe and the filter plate, and a plurality of the activated carbon plates are arranged between the filter plate and the air outlet pipe.

[0015] Furthermore, the fixing assembly also includes a plurality of vacuum adsorption heads respectively installed on the two fixing tables, a plurality of valves respectively fixed on the two positioning rods, an air collecting box fixed on the inner wall of the support frame, a vacuum pump installed on the mounting table, a plurality of hoses respectively connected to the air inlet ends of the vacuum pump at one end and respectively connected to the plurality of vacuum adsorption heads at the other end, an exhaust pipe respectively connected to the air inlet end of the vacuum pump and connected to the air collecting box at the other end, and a plurality of air supply pipes respectively connected to the air outlet ends of the plurality of vacuum pumps at one end and connected to the air collecting box at the other end.

[0016] Furthermore, the positioning assembly includes three brackets respectively fixed on the left and right sides and the rear side of the support frame, three electric push rods respectively installed on the three brackets, three push blocks respectively fixed on the telescopic ends of the three electric push rods, a number of ball grooves respectively opened on the two fixed platforms, and a number of balls respectively arranged in the several ball grooves.

[0017] Furthermore, the adjustment component includes an adjustment screw screwed in the positioning rod, two guide rods symmetrically fixed at the bottom of the two fixing platforms, and two guide grooves symmetrically opened on the positioning rod;

[0018] The upper end of the adjusting screw rod is rotatably connected to the bottom of the fixing platform;

[0019] The two guide rods are respectively fitted and slidably inserted into the two guide grooves.

[0020] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0021] 1. The rear door 3D laser cutting equipment is equipped with positioning components and fixing components. After the rear of the car to be cut is placed on the fixing components, the position of the rear door can be adjusted and accurately positioned, and the rear door can be fixed. When a large number of rear doors are cut continuously, the fixed position of each rear door can be kept relatively consistent and not easily offset due to vibration, thereby improving the accuracy of the cutting position of the rear door and the cutting quality of the rear door.

[0022] 2. The 3D laser cutting equipment for the rear door of the car is equipped with a chip collection component. During the cutting process of the rear door of the car, the harmful gas and metal cutting dust generated during cutting can be collected and processed to prevent the harmful gas and metal cutting dust from spreading into the processing environment and avoiding affecting the health of the workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] Figure 1 Shows a stereogram of the utility model;

[0025] Figure 2 Shows a partial stereoscopic view of the utility model Figure 1 ;

[0026] Figure 3 Shows a partial stereoscopic view of the utility model Figure 2 ;

[0027] Figure 4 A partial cutaway view of the present invention is shown. Figure 1 ;

[0028] Figure 5 A partial bottom-up stereogram of the present invention is shown;

[0029] Figure 6 A partial cutaway view of the present invention is shown. Figure 2 .

[0030] In the picture

[0031] 1. Gantry; 2. Multi-axis robot; 3. Laser cutting head; 4. Base frame; 5. Collection frame; 6. Mounting table; 7. Fixing assembly; 8. Chip collection assembly; 9. Positioning assembly; 10. Circular dust collection sleeve; 11. Collection hole; 12. Fan; 13. Chip collection box; 14. Diverter pipe; 15. Inlet pipe; 16. Outlet pipe; 17. Support frame; 18. Crossbar; 19. Rack plate; 20. Assembly slot; 21. Positioning Rod; 22, adjusting component; 23, fixing table; 24, filter plate; 25, activated carbon plate; 26, chip collection frame; 27, vacuum adsorption head; 28, valve; 29, gas collecting box; 30, vacuum pump; 31, hose; 32, exhaust pipe; 33, gas supply pipe; 34, bracket; 35, electric push rod; 36, push block; 37, ball groove; 38, ball; 39, adjusting screw; 40, guide rod; 41, guide groove. DETAILED DESCRIPTION

[0032] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0033] See also Figure 1 , Figure 1 Shows a three-dimensional diagram of the utility model; please refer to Figure 2 , Figure 2 Shows a partial stereoscopic view of the utility model Figure 1 ; see Figure 3 , Figure 3 Shows a partial stereoscopic view of the utility model Figure 2 ; see Figure 4 , Figure 4 A partial cutaway view of the present invention is shown. Figure 1 ; see Figure 5 , Figure 5 A partial bottom-up stereogram of the present invention is shown; see Figure 6 , Figure 6 A partial cutaway view of the present invention is shown. Figure 2 ;like Figure 1-6 As shown, a 3D laser cutting device for a rear door of a vehicle comprises: a gantry 1 installed on the ground, a multi-axis robot 2 arranged on the gantry 1, a laser cutting head 3 connected to the bottom end of the multi-axis robot 2, a base frame 4 arranged on the ground and directly below the multi-axis robot 2, a collection frame 5 slidably arranged in the base frame 4, a mounting table 6 arranged at the rear side of the base frame 4, a fixing component 7 fixed on the base frame 4 and the mounting table 6, a chip collecting component 8 arranged on the fixing component 7 and the mounting table 6, and a positioning component 9 installed on the fixing component 7, wherein

[0034] The fixing assembly 7 is suitable for providing support and limitation for the rear door of the vehicle to prevent the rear door that needs to be cut from shifting;

[0035] The chip collecting assembly 8 is suitable for collecting the gas chips generated when the laser cutting head 3 cuts the rear door of the vehicle;

[0036] The positioning component 9 is suitable for adjusting the position of the rear door before the fixing component 7 is used. When in use, the staff places the rear door to be cut on the fixing component 7. At this time, under the control of the positioning component 9, the position of the rear door can be adjusted, so that when a large number of rear doors are cut, the position of each rear door can be kept relatively consistent as much as possible, thereby improving the efficiency and quality of the rear door cutting; and after the rear door is positioned, the adjusted rear door can be fixed by the set fixing component 7 to ensure stable support for the rear door, so as to ensure that when the rear door is cut, it will not be offset due to vibration, thereby improving the cutting accuracy of the rear door. , increasing the quality of cutting the rear door of the vehicle; and after completing the positioning and fixing of the rear door of the vehicle, the multi-axis robotic arm 2 mounted on the gantry 1 can drive the laser cutting head 3 to make three-dimensional adjustments along the edge of the rear door of the vehicle, so that the laser cutting head 3 can effectively complete the overall cutting of the rear door of the vehicle; and when the rear door of the vehicle is cut, the chip collection component 8 provided can collect and process the harmful gas and metal cutting dust generated by the cutting, so as to prevent the harmful gas and metal cutting dust during cutting from escaping into the working environment of the staff, thereby ensuring the health of the staff; and the waste generated during cutting can fall into the collection frame 5 in the chassis 4, so as to facilitate the subsequent centralized collection and treatment of the waste by the staff.

[0037] Optionally, the chip collecting assembly 8 includes a circular dust collecting sleeve 10 arranged in the fixing assembly 7, a plurality of collecting holes 11 arranged at equal intervals on both sides of the circular dust collecting sleeve 10, a fan 12 and a chip collecting box 13 installed on the mounting platform 6, a shunt pipe 14 connected to the circular dust collecting sleeve 10 at both ends, an air inlet pipe 15 connected to one side of the chip collecting box 13 at one end and connected to the shunt pipe 14 at the other end, and an air outlet pipe 16 connected to the air inlet end of the fan 12 at one end and connected to the other side of the chip collecting box 13 at the other end. When the rear door is cut, the fan 12 is started to start suction, thereby generating negative pressure in the chip box 13 along the air outlet pipe 16, and continuously sucking the harmful gas and metal dust generated during cutting through the circular dust collecting sleeve 10 and the several collecting holes 11 opened thereon, and transporting the harmful gas and metal dust into the chip box 13 for treatment through the shunt pipe 14 and the air inlet pipe 15 in turn, thereby preventing the harmful gas and metal dust generated during cutting from escaping into the working environment of the staff, and effectively avoiding the harmful gas and metal dust from affecting the health of the staff.

[0038] Optionally, the fixing assembly 7 includes a support frame 17 fixed to the upper surface of the base frame 4, a plurality of cross bars 18 arranged in the support frame 17, a plurality of rack plates 19 fixed on the support frame 17 and the plurality of cross bars 18, a plurality of rack plates 19 opened on the plurality of rack plates 19 and used to install the assembly groove 20 of the circular dust collecting sleeve 10, a positioning rod 21 symmetrically fixed on the circular dust collecting sleeve 10, two adjusting components 22 respectively arranged on the two positioning rods 21, and two fixing platforms 23 respectively arranged on the two adjusting components 22. When cutting the rear door of the vehicle, the rear door of the vehicle is placed on the plurality of rack plates 19, which can support the rear door of the vehicle, so that the waste generated during the cutting can fall into the collection frame 5 in the base frame 4 through the gap between the plurality of rack plates 19, which is convenient for subsequent processing, and under the control of the adjusting component 22, the two fixing platforms 23 can adjust the height to offset the bottom of the rear door of the vehicle, thereby providing stable support for the cutting of the rear door of the vehicle.

[0039] Optionally, the chip collection assembly 8 further includes a filter plate 24 and a plurality of activated carbon plates 25 respectively movably inserted into the chip collection box 13, and a chip collection frame 26 slidably installed in the chip collection box 13;

[0040] The chip collecting frame 26 is arranged between the air intake pipe 15 and the filter plate 24, and a plurality of the activated carbon plates 25 are arranged between the filter plate 24 and the air outlet pipe 16. When the air containing metal cutting dust is transported to the chip collecting box 13 through the air intake pipe 15, the filter plate 24 can perform preliminary treatment on it, so that the dust with larger particles can be filtered and fall into the chip collecting frame 26. Then, the air containing metal cutting dust can be further treated by the plurality of activated carbon plates 25, and harmful gases and dust in the air can be adsorbed, thereby ensuring the effective treatment of dust and harmful gases generated when cutting the rear door of the vehicle, and avoiding affecting the health of the staff.

[0041] Optionally, the fixing assembly 7 also includes a plurality of vacuum adsorption heads 27 respectively mounted on the two fixing platforms 23, a plurality of valves 28 respectively fixed on the two positioning rods 21, a gas collecting box 29 fixed on the inner wall of the support frame 17, a vacuum pump 30 mounted on the mounting platform 6, a plurality of hoses 31 respectively connected to the air inlet end of the vacuum pump 30 at one end and respectively connected to the plurality of vacuum adsorption heads 27 at the other end, an exhaust pipe 32 respectively connected to the air inlet end of the vacuum pump 30 at one end and connected to the gas collecting box 29 at the other end, a plurality of hoses 31 respectively connected to the air outlet end of the plurality of vacuum pumps 30 at one end and respectively connected to the plurality of vacuum adsorption heads 27 at the other end The several air pipes 33 connected to the air collecting box 29 are used to adjust the position of the rear door of the vehicle by means of the positioning assembly 9 after the rear of the vehicle is placed on the several rack plates 19 so that the two fixed platforms 23 are in contact with the lower surface of the rear door of the vehicle. At this time, the vacuum pump 30 is started, and with the cooperation of the exhaust pipe 32, a negative pressure is generated in the air collecting box 29. Thus, with the cooperation of the several air pipes 33, the valve 28 and the hose 31, the several vacuum adsorption heads 27 are controlled to continuously generate suction force to adsorb and fix the rear door of the vehicle placed on the two fixed platforms 23, thereby ensuring the stability of the rear door during laser cutting and avoiding the reduction of cutting quality due to unstable fixation of the rear door of the vehicle.

[0042] Optionally, the positioning assembly 9 includes three brackets 34 respectively fixed to the left and right sides and the rear side of the support frame 17, three electric push rods 35 respectively installed on the three brackets 34, three push blocks 36 respectively fixed to the telescopic ends of the three electric push rods 35, a plurality of ball grooves 37 respectively opened on the two fixing platforms 23, and a plurality of balls 38 respectively arranged in the plurality of ball grooves 37. When the rear door to be cut is placed on the fixing assembly 7, the electric push rods 35 on both sides of the support frame 17 can be started at the same time, so that the push blocks 36 at the telescopic ends of the two electric push rods 35 move and approach the rear door. Thereby, the rear door of the vehicle is pushed for preliminary positioning, and then the electric push rod 35 located at the rear side of the support frame 17 is started, so that the push block 36 at its output end pushes the rear door of the vehicle for further positioning, so as to ensure that the subsequent fixing component 7 fixes the position of the rear door of the vehicle accurately, so as to ensure the cutting position of each rear door of the vehicle when a large number of rear doors of the vehicle are cut continuously, thereby improving the cutting quality and efficiency of the rear door of the vehicle; and when the push block 36 pushes the rear door of the vehicle to move, the plurality of balls 38 provided respectively rotate in the plurality of ball grooves 37 and support the rear door of the vehicle, so that the rear door of the vehicle can be smoothly adjusted in position, thereby ensuring the smooth adjustment of the position of the rear door of the vehicle.

[0043] Optionally, the adjusting component 22 includes an adjusting screw 39 screwed inside the positioning rod 21, two guide rods 40 symmetrically fixed at the bottom of the two fixing platforms 23, and two guide grooves 41 symmetrically opened on the positioning rod 21;

[0044] The upper end of the adjusting screw rod 39 is rotatably connected to the bottom of the fixing platform 23;

[0045] The two guide rods 40 are respectively fitted and slidably inserted into the two guide grooves 41. When fixing the rear door of the vehicle, since the surface of the rear door of the vehicle is uneven, the adjusting screw 39 can be rotated when fixing the rear door of the vehicle through the fixing component 7. At this time, the two guide rods 40 are respectively movable in the two guide grooves 41, so that the fixing platform 23 can move up and down under the restriction of the guide rods 40, so as to adjust the height of the fixing platform 23 to adapt to the rear door of the vehicle, so as to ensure the fixing effect of the fixing component 7 on rear doors of vehicles of different sizes.

[0046] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A 3D laser cutting device for a rear door, characterized in that: include: A gantry (1) installed on the ground, a multi-axis robot (2) arranged on the gantry (1), a laser cutting head (3) connected to the bottom end of the multi-axis robot (2), a base frame (4) arranged on the ground and located directly below the multi-axis robot (2), a collection frame (5) slidably arranged in the base frame (4), a mounting table (6) arranged on the rear side of the base frame (4), a fixing component (7) fixed on the base frame (4) and the mounting table (6), a chip collection component (8) arranged on the fixing component (7) and the mounting table (6), and a positioning component (9) installed on the fixing component (7), wherein The fixing assembly (7) is suitable for providing support and positioning for the rear door of the vehicle to prevent the rear door that needs to be cut from deviating; The chip collecting component (8) is suitable for collecting gas chips generated when the laser cutting head (3) cuts the rear door of the vehicle; The positioning assembly (9) is suitable for adjusting the position of the rear door of the vehicle before the fixing assembly (7) is used.

2. The vehicle rear door 3D laser cutting device according to claim 1, characterized in that: The chip collecting assembly (8) comprises a circular dust collecting sleeve (10) arranged in the fixing assembly (7), a plurality of collecting holes (11) arranged at equal intervals on both sides of the circular dust collecting sleeve (10), a fan (12) and a chip collecting box (13) installed on the mounting platform (6), a shunt pipe (14) with both ends connected to the circular dust collecting sleeve (10), an air inlet pipe (15) with one end connected to one side of the chip collecting box (13) and the other end connected to the shunt pipe (14), and an air outlet pipe (16) with one end connected to the air inlet end of the fan (12) and the other end connected to the other side of the chip collecting box (13).

3. The vehicle rear door 3D laser cutting device as claimed in claim 2, characterized in that: The fixing assembly (7) comprises a support frame (17) fixed to the upper surface of the base frame (4), a plurality of cross bars (18) arranged in the support frame (17), a plurality of rack plates (19) fixed to the support frame (17) and the plurality of cross bars (18), a plurality of rack plates (19) provided on the rack plates (19) and used for installing the mounting groove (20) of the circular dust collecting sleeve (10), a positioning rod (21) symmetrically fixed to the circular dust collecting sleeve (10), two adjusting components (22) respectively arranged on the two positioning rods (21), and two fixing platforms (23) respectively arranged on the two adjusting components (22).

4. The vehicle rear door 3D laser cutting device as claimed in claim 3, characterized in that: The chip collecting assembly (8) further comprises a filter plate (24) and a plurality of activated carbon plates (25) which are respectively movably inserted into the chip collecting box (13), and a chip collecting frame (26) which is slidably installed in the chip collecting box (13); The chip collecting frame (26) is arranged between the air inlet pipe (15) and the filter plate (24), and a plurality of the activated carbon plates (25) are arranged between the filter plate (24) and the air outlet pipe (16).

5. The vehicle rear door 3D laser cutting device as claimed in claim 4, characterized in that: The fixing assembly (7) also includes a plurality of vacuum adsorption heads (27) respectively mounted on the two fixing platforms (23), a plurality of valves (28) respectively fixed on the two positioning rods (21), a gas collecting box (29) fixed on the inner wall of the support frame (17), a vacuum pump (30) mounted on the mounting platform (6), a plurality of hoses (31) each having one end connected to the air inlet of the vacuum pump (30) and the other end connected to the plurality of vacuum adsorption heads (27), an exhaust pipe (32) each having one end connected to the air inlet of the vacuum pump (30) and the other end connected to the gas collecting box (29), and a plurality of gas supply pipes (33) each having one end connected to the air outlet of the plurality of vacuum pumps (30) and the other end connected to the gas collecting box (29).

6. The vehicle rear door 3D laser cutting device as claimed in claim 3, characterized in that: The positioning assembly (9) comprises three brackets (34) respectively fixed to the left and right sides and the rear side of the support frame (17), three electric push rods (35) respectively mounted on the three brackets (34), three push blocks (36) respectively fixed to the telescopic ends of the three electric push rods (35), a plurality of ball grooves (37) respectively opened on the two fixed platforms (23), and a plurality of balls (38) respectively arranged in the plurality of ball grooves (37).

7. The vehicle rear door 3D laser cutting device as claimed in claim 3, characterized in that: The adjusting component (22) comprises an adjusting screw (39) screwed into the positioning rod (21), two guide rods (40) symmetrically fixed to the bottoms of the two fixing platforms (23), and two guide grooves (41) symmetrically opened on the positioning rod (21); The upper end of the adjusting screw rod (39) is rotatably connected to the bottom of the fixing platform (23); The two guide rods (40) are respectively fitted and slidably inserted into the two guide grooves (41).

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