Steel plate trimming and polishing machine after flame cutting

Abstract

The application discloses a steel plate trimming and polishing machine suitable for flame cutting, which comprises a machining platform, steel plate lifting assemblies are fixedly arranged at both sides of the upper surface of the machining platform, an offset accommodation mechanism is fixedly arranged on the steel plate lifting assembly, a polishing mechanical arm assembly is fixedly arranged on a moving support mechanism, a polishing unit is fixedly connected to one end of the polishing mechanical arm assembly, and a three-dimensional scanning assembly is fixedly arranged on the side of the polishing unit; and an air curtain dustproof mechanism is installed at the bottom surface of the three-dimensional scanning assembly. The polishing machine with the functions of plate-free lifting and active dust prevention is designed, the plate is lifted and replaced, the lower surface is scanned, and the technical means of active air curtain dust prevention are combined, so that the bottom surface and the trimming edge of the steel plate can be polished more efficiently compared with the plate lifting process in the prior art, the polishing efficiency and the automation level are improved, and the polishing machine is particularly suitable for the continuous polishing process of the medium-thick steel plate after cutting in a modern steel structure production line.

Description

Technical Field

[0001] This application relates to the field of metal sheet processing equipment, and in particular to a steel plate edge trimming and grinding machine suitable for flame-cut steel plates. Background Technology

[0002] Flame cutting is a common process for cutting medium and thick steel plates in steel structure manufacturing. After cutting, slag and oxide scale remain on the cut edges of the steel plate, forming an uneven cross-section, which needs to be ground to meet the quality requirements of subsequent welding, painting and other processes.

[0003] In the existing technology, the grinding operation of the steel plate cut edge after flame cutting mainly relies on manual or semi-automatic equipment. First, in terms of the grinding operation process, in order to complete the all-round grinding of the front and back of the steel plate and the cut surface, the traditional method usually requires the steel plate to be flipped at least once. This "flipping" process not only requires the use of cranes or other lifting equipment or special flipping machines, which consumes a lot of auxiliary time and causes the production line to be interrupted, but also requires a large amount of operating space.

[0004] Secondly, the polishing process generates a large amount of dust and debris. If automated scanning, such as vision or laser scanning, is introduced to guide the polishing, this dust will seriously interfere with the normal operation of the scanning equipment, and the lens will be easily contaminated, leading to scanning failure.

[0005] In other words, existing technologies have the following technical problems: ordinary grinding equipment requires flipping operations and dust pollution scanning equipment during processing. Therefore, a grinding machine suitable for edge trimming of steel plates after flame cutting is proposed to address the above problems. Summary of the Invention

[0006] This embodiment provides a steel plate edge-trimming and grinding machine suitable for flame cutting to solve the problems of ordinary grinding equipment in the prior art requiring flipping operation and dust pollution scanning equipment during processing.

[0007] According to one aspect of this application, a steel plate edge grinding machine suitable for flame cutting is provided, comprising:

[0008] The processing platform has steel plate lifting components fixedly installed on both sides of its upper surface. The steel plate lifting components consist of lifting sliders and steel plate clamps, with steel plate clamps fixedly installed on the lifting sliders.

[0009] An offset clearance mechanism is fixedly installed on the steel plate lifting assembly, and a movable support mechanism is fixedly installed on the offset clearance mechanism;

[0010] A grinding robotic arm assembly is fixedly installed on the mobile support mechanism. A grinding unit is fixedly connected to one end of the grinding robotic arm assembly, and a three-dimensional scanning component is fixedly installed on the side of the grinding unit.

[0011] An air curtain dustproof mechanism is installed on the bottom surface of the 3D scanning component. The air curtain dustproof mechanism consists of a protective shell and an air curtain generating unit.

[0012] Furthermore, the steel plate lifting assembly also includes a fixed crossbeam and a fixed guide rod;

[0013] Two fixed guide rods are fixedly installed on the fixed crossbeam. The fixed guide rods pass through the lifting slider and slide with the lifting slider.

[0014] A lifting drive screw is rotatably connected to the bottom surface of the fixed crossbeam. The lifting drive screw passes through the lifting slider and is threadedly engaged with the lifting slider.

[0015] A lifting drive motor is fixedly installed at the upper end of the fixed crossbeam, and the output shaft of the lifting drive motor is connected to one end of the lifting drive screw.

[0016] Furthermore, the steel plate clamp includes a connecting seat and a movable clamp;

[0017] The connecting seat is fixedly installed on the side wall of the lifting slider. Two movable grippers are slidably connected to the side wall of the connecting seat. The connecting seat has an inner cavity, and two movable sliders are slidably connected in the inner cavity of the connecting seat. The movable grippers are fixedly connected to the movable sliders.

[0018] A double helical screw is rotatably connected between the upper and lower walls of the inner cavity of the connecting seat. The two ends of the double helical screw pass through two movable sliders respectively and are threadedly engaged with the movable sliders.

[0019] A clamping motor is fixedly installed on one side of the connecting seat, and the end of the output shaft of the clamping motor is connected to one end of the double helical screw.

[0020] Furthermore, the offset clearance mechanism includes a clearance slide, a gear disk, and a connecting rod;

[0021] The clearance slide is set on the side wall of the fixed crossbeam; clearance slides are slidably connected to both sides of the side wall of the fixed crossbeam, and gear disks are rotatably connected to both sides of the side wall of the fixed crossbeam. One end of a connecting rod is rotatably connected to the eccentric position of the side wall of the gear disk, and the other end of the connecting rod is rotatably connected to one side of the clearance slide.

[0022] Both sides of the fixed crossbeam are slidably connected to a linkage rack, which meshes with the gear disc. The bottom end of the linkage rack is fixedly connected to the side wall of the steel plate clamp.

[0023] Furthermore, the movable support mechanism includes a guide crossbar and a movable seat. The guide crossbar is fixedly disposed between the two relief slides on both sides. The movable seat is slidably connected to the guide crossbar. A transverse screw is rotatably connected between the two relief slides. The transverse screw passes through the movable seat and is threadedly engaged with the movable seat.

[0024] Furthermore, the grinding robotic arm assembly includes a first telescopic arm and a second telescopic arm, with one end of the first telescopic arm fixedly connected to the movable base and the other end connected to the second telescopic arm.

[0025] Furthermore, the polishing unit includes a U-shaped fixed plate frame, a polishing roller, and a polishing motor;

[0026] The U-shaped fixed plate frame is fixedly installed at the end of the second telescopic arm. A grinding roller is connected to the inner side of the U-shaped fixed plate frame via a rotating shaft. A grinding motor is fixedly installed on one side of the U-shaped fixed plate frame, and the end of the output shaft of the grinding motor is connected to the rotating shaft of the grinding roller.

[0027] Furthermore, the 3D scanning components include a scanning locator, a rotary table, and a 3D scanner;

[0028] The scanning positioning seat is fixedly installed on the side of the U-shaped fixed plate frame. A rotating table is rotatably connected to one side of the scanning positioning seat via a bearing. The scanning positioning seat has an internal cavity, in which a servo motor is fixedly installed. The end of the output shaft of the servo motor is coaxially and fixedly connected to the rotating shaft of the rotating table. A 3D scanner is fixedly connected to the side wall of the rotating table.

[0029] Furthermore, the protective shell is fixedly installed at the lens end of the 3D scanner, and a transparent protective window is provided on the protective shell;

[0030] An air curtain seat is fixedly installed on the side of the protective shell. Several air curtain nozzles are installed on the air curtain seat. An inner cavity is provided inside the air curtain seat. An air curtain generating unit is connected to the inner cavity of the air curtain seat to distribute clean air to each air curtain nozzle.

[0031] Furthermore, the air curtain generating unit includes a fixed cylinder, a movable piston, and a guide rod;

[0032] A movable piston is slidably connected in the inner cavity of the fixed cylinder. A guide rod is fixedly connected to one side of the movable piston. A linkage part is provided between this end of the guide rod and the grinding unit.

[0033] An output pipe and an input pipe are fixedly connected to one side of the inner cavity of the fixed cylinder body. One end of the output pipe extends into the inner cavity of the air curtain seat and is fixedly connected to the air curtain seat.

[0034] In order to solve the technical problems of low efficiency and interference of grinding dust with scanning equipment caused by the need to flip the steel plate after flame cutting in the prior art through the above embodiments of this application, this application designs a grinding machine with flip-free and active dust prevention functions. By using lifting to replace flipping and bottom scanning combined with active air curtain dust prevention technology, compared with the flipping processing in the prior art, the bottom surface and cut edge of the steel plate can be ground more efficiently, thereby improving the efficiency and automation level of grinding operations. It is particularly suitable for the continuous grinding process of medium and thick steel plates after cutting in modern steel structure production lines. Attached Figure Description

[0035] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0036] Figure 1 This is a schematic diagram of the overall structure of one embodiment of this application;

[0037] Figure 2 This is a front view structural diagram of one embodiment of this application;

[0038] Figure 3 This is a schematic diagram of the structure of a steel plate lifting assembly according to an embodiment of this application;

[0039] Figure 4 This is a schematic diagram of the structure of a steel plate gripper according to one embodiment of this application;

[0040] Figure 5 This is a schematic diagram of the connection structure of a mobile support mechanism according to an embodiment of this application;

[0041] Figure 6 This is a schematic diagram of the connection of a mobile drive motor according to an embodiment of this application;

[0042] Figure 7 This is a schematic diagram of the structure of a grinding robotic arm assembly according to an embodiment of this application;

[0043] Figure 8 This is a schematic diagram of the structure of a three-dimensional scanning component according to an embodiment of this application;

[0044] Figure 9 This is a schematic diagram of the connection structure of the protective shell according to one embodiment of this application;

[0045] Figure 10 This is a schematic diagram of the structure of an air curtain generating unit according to an embodiment of this application;

[0046] Figure 11 This is one embodiment of the present application. Figure 5 A magnified structural diagram of point A;

[0047] Figure 12 This is a schematic diagram of a symmetrically arranged fixed cylinder body according to an embodiment of this application.

[0048] In the picture:

[0049] 1. Machining platform; 101. Support platform; 102. Support legs; 103. Steel plate support platform; 104. Support rod;

[0050] 2. Steel plate lifting assembly; 201. Fixed crossbeam; 202. Crossbeam support; 203. Fixed guide rod; 204. Lifting slider; 205. Steel plate gripper; 2051. Connecting seat; 2052. Moving gripper; 2053. Moving slider; 2054. Double helical screw; 2055. Clamping motor; 206. Lifting drive screw; 207. Lifting drive motor;

[0051] 3. Moving support mechanism; 301. Guide crossbar; 302. Moving seat; 303. Transverse screw; 304. First bevel gear; 305. Moving drive motor; 306. Second bevel gear;

[0052] 4. Offset and clearance mechanism; 401. Clearance slide; 402. Gear disk; 403. Connecting rod; 404. Linkage rack; 405. Guide seat;

[0053] 5. Grinding robotic arm components; 501, First telescopic arm; 5011, Connecting arm A; 5012, Connecting arm B; 5013, First electric push rod; 502, Second telescopic arm; 5021, Connecting arm C; 5022, Connecting arm D; 5023, Second electric push rod;

[0054] 6. Grinding unit; 601. U-shaped fixing plate frame; 602. Grinding roller; 603. Grinding motor;

[0055] 7. 3D scanning components; 701. Scanning positioning base; 702. Rotary stage; 703. 3D scanner; 704. Servo motor;

[0056] 8. Air curtain dustproof mechanism; 801. Protective shell; 802. Transparent protective window; 803. Air curtain base; 804. Air curtain nozzle; 805. Connecting plate frame; 806. Fixed cylinder; 807. Moving piston; 808. Output pipeline; 809. Input pipeline; 810. First linkage gear; 811. Second rotating shaft; 812. Second linkage gear; 813. First rotating shaft; 814. Linkage bevel gear A; 815. Linkage rotating shaft; 816. Linkage bevel gear B; 817. Rotary disk; 818. Connecting rod; 819. Guide rod; 820. U-shaped connecting rod;

[0057] 9. Steel plate. Detailed Implementation

[0058] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0059] Please see Figure 1 and Figure 2 As shown, a steel plate edge grinding machine suitable for flame cutting includes:

[0060] The processing platform 1 has steel plate lifting components 2 fixedly installed on both sides of its upper surface. The steel plate lifting components 2 consist of lifting sliders 204 and steel plate clamps 205. The lifting sliders 204 are fixedly equipped with steel plate clamps 205, which are used to clamp the side of the steel plate 9 and lift it horizontally away from the steel plate support table 103 through vertical lifting motion, thereby exposing the bottom surface of the steel plate 9 for grinding.

[0061] An offset clearance mechanism 4 is fixedly installed on the steel plate lifting assembly 2, and a movable support mechanism 3 is fixedly installed on the offset clearance mechanism 4. The offset clearance mechanism 4 is used to automatically adjust the horizontal position of the movable support mechanism 3 and the grinding robot arm assembly 5 installed on it when lifting the steel plate 9, so that they automatically clearance during the lifting process of the steel plate 9 to avoid interference.

[0062] A grinding robotic arm assembly 5 is fixedly mounted on the mobile support mechanism 3. A grinding unit 6 is fixedly connected to one end of the grinding robotic arm assembly 5. A three-dimensional scanning component 7 is fixedly mounted on the side of the grinding unit 6.

[0063] An air curtain dustproof mechanism 8 is installed on the bottom surface of the three-dimensional scanning component 7. The air curtain dustproof mechanism 8 consists of a protective shell 801 and an air curtain generating unit.

[0064] This application utilizes a lifting mechanism to replace the flip-plate method, combined with bottom scanning and active air curtain dust prevention. Compared to the existing flip-plate processing technology, this method can more efficiently grind the bottom surface and cut edges of steel plates, thereby improving the efficiency and automation level of grinding operations. It is particularly suitable for the continuous grinding process of medium and thick steel plates after cutting in modern steel structure production lines.

[0065] In a preferred embodiment of this application, see [reference] Figure 1 As shown, the processing platform 1 includes a support platform 101 and a steel plate support table 103. A support frame 102 is fixedly installed on the bottom surface of the support platform 101 to provide a stable support foundation for the entire equipment.

[0066] A steel plate support platform 103 is provided on the upper surface of the support platform 101. The steel plate support platform 103 is used to support the steel plate 9. One end of the support rod 104 is fixedly connected to the bottom surface of the steel plate support platform 103, and the other end of the support rod 104 is fixedly connected to the upper surface of the support platform 101, thereby leaving necessary operating space under the steel plate support platform 103 for the grinding unit 6 and other components to enter.

[0067] In a preferred embodiment of this application, see [reference]. Figure 2 and Figure 3 As shown, the steel plate lifting assembly 2 also includes a fixed crossbeam 201 and a fixed guide rod 203.

[0068] A crossbeam bracket 202 is fixedly connected to both sides of the bottom surface of the fixed crossbeam 201. The bottom end of the crossbeam bracket 202 is fixedly connected to the upper surface of the support platform 101. Two fixed guide rods 203 are fixedly installed on the fixed crossbeam 201. The bottom end of the fixed guide rod 203 is fixedly connected to the upper surface of the support platform 101. The fixed guide rod 203 passes through the lifting slider 204 and slides with the lifting slider 204 to provide guidance for the vertical movement of the lifting slider 204, so that the lifting is smooth.

[0069] One end of a lifting drive screw 206 is rotatably connected to the bottom surface of the fixed crossbeam 201, and the other end of the lifting drive screw 206 is rotatably connected to the upper surface of the support platform 101. The lifting drive screw 206 passes through the lifting slider 204 and is threadedly engaged with the lifting slider 204.

[0070] A lifting drive motor 207 is fixedly installed at the upper end of the fixed crossbeam 201. The output shaft end of the lifting drive motor 207 is connected to one end of the lifting drive screw 206 for transmission, which is used to provide power for the lifting action. Specifically, the output shaft end of the lifting drive motor 207 and one end of the lifting drive screw 206 can be connected by a coupling or a bevel gear set.

[0071] With this technical solution, when it is necessary to lift the steel plate, the lifting drive motor 207 starts, drives the lifting drive screw 206 to rotate, and drives the lifting slider 204, which is threaded with it, to rise or fall vertically along the fixed guide rod 203, thereby driving the steel plate clamp 205 installed on it to complete the lifting and lowering action of the steel plate, and then lift the steel plate away from the support platform to expose its bottom surface.

[0072] Further, see Figure 4 As shown, the steel plate clamp 205 includes a connecting seat 2051 and a movable clamp 2052.

[0073] The connecting seat 2051 is fixedly installed on the side wall of the lifting slider 204. Two movable grippers 2052 are slidably connected to the side wall of the connecting seat 2051. The connecting seat 2051 has an inner cavity. Two movable sliders 2053 are slidably connected in the inner cavity of the connecting seat 2051. The movable grippers 2052 and the movable sliders 2053 are fixedly connected to achieve synchronous opening and closing movements of the movable grippers 2052.

[0074] A double helical screw 2054 is rotatably connected between the upper and lower walls of the inner cavity of the connecting seat 2051. The two ends of the double helical screw 2054 pass through the two movable sliders 2053 respectively and are threadedly engaged with the movable sliders 2053. Specifically, the two ends of the double helical screw 2054 have external threads with opposite directions of rotation, which are engaged with the internal threads of the two movable sliders 2053 respectively.

[0075] A clamping motor 2055 is fixedly installed on one side of the connecting seat 2051. The output shaft end of the clamping motor 2055 is connected to one end of the double helical screw 2054 through a coupling. It is used to drive the double helical screw 2054 to rotate forward and backward, thereby controlling the two moving jaws 2052 to move closer to each other to clamp the steel plate 9 or move away from each other to release the steel plate 9.

[0076] With this technical solution, when it is necessary to clamp the steel plate 9, the clamping motor 2055 drives the double helical screw 2054 to rotate, so that the two moving sliders 2053 drive the moving jaws 2052 to move synchronously in opposite directions, thereby firmly clamping the side of the steel plate 9 and providing a reliable gripping force for subsequent lifting.

[0077] In a preferred embodiment of this application, see [reference] Figure 3 As shown, the offset clearance mechanism 4 includes a clearance slide 401, a gear disk 402, and a connecting rod 403.

[0078] The yielding slide 401 is located on the side wall of the fixed crossbeam 201 and slides in cooperation with the fixed crossbeam 201. Specifically, the fixed crossbeam 201 is provided with a guide rail, and the yielding slide 401 is provided with a guide groove that matches the guide rail, which is used to constrain the yielding slide 401 to slide horizontally only along the length direction of the fixed crossbeam 201.

[0079] Both sides of the side wall of the fixed crossbeam 201 are slidably connected to the relief slide 401, and both sides of the side wall of the fixed crossbeam 201 are rotatably connected to the gear disk 402. One end of the connecting rod 403 is rotatably connected at the eccentric position of the side wall of the gear disk 402, and the other end of the connecting rod 403 is rotatably connected to one side of the relief slide 401. When the gear disk 402 rotates, it can drive the connecting rod 403, thereby pulling or pushing the relief slide 401 to slide horizontally.

[0080] Guide seats 405 are fixedly installed on both sides of the fixed crossbeam 201. A linkage rack 404 is slidably connected to the guide seat 405. The linkage rack 404 meshes with the gear disk 402. The bottom end of the linkage rack 404 is fixedly connected to the side wall of the steel plate clamp 205.

[0081] With this technical solution, when the steel plate clamp 205 holds and lifts the steel plate, the linkage rack 404 rises and falls synchronously. Its lifting motion is converted into the rotational motion of the gear disk 402 through meshing with the gear disk 402. The gear disk 402 then drives the clearance slide 401 to move horizontally through the connecting rod 403. Thus, while lifting the steel plate, the moving support mechanism 3 and the grinding unit 6 are automatically pushed a distance away from the steel plate to avoid collision with the rising steel plate. This achieves automatic linkage between lifting and clearance, realizes clearance function, and does not require an additional power source, thus saving costs.

[0082] In the specific embodiments of this application, see [reference]. Figure 5 As shown, the movable support mechanism 3 includes a guide crossbar 301 and a movable seat 302. The guide crossbar 301 is fixedly disposed between the two relief slides 401 on both sides. The movable seat 302 is slidably connected to the guide crossbar 301. A transverse screw 303 is rotatably connected between the two relief slides 401. The transverse screw 303 passes through the movable seat 302 and is threadedly engaged with the movable seat 302.

[0083] See Figure 6 As shown, a first bevel gear 304 is fixedly connected to the arc-shaped wall of the transverse screw 303, and a moving drive motor 305 is fixedly installed on one side of the sliding block 401. A second bevel gear 306 is fixedly connected to the end of the output shaft of the moving drive motor 305, and the second bevel gear 306 meshes with the first bevel gear 304.

[0084] Preferably, the movable drive motor 305 can be fixed to the side plate of the relief slide 401 by means of bolt connection or other means, and the movable drive motor 305 and the second bevel gear 306 can achieve synchronous rotation by means of key connection or other means.

[0085] With this technical solution, when it is necessary to adjust the position of the grinding unit 6 along the length of the steel plate 9, the moving drive motor 305 is started, driving the second bevel gear 306 to rotate, which in turn drives the first bevel gear 304 and the transverse screw 303 to rotate, thereby driving the moving seat 302, which is threadedly engaged with the transverse screw 303, to move horizontally along the guide bar 301, thus achieving longitudinal adjustment of the position.

[0086] In a preferred embodiment of this application, see [reference] Figure 5 and Figure 7 As shown, the grinding robotic arm assembly 5 includes a first telescopic arm 501 and a second telescopic arm 502. One end of the first telescopic arm 501 is fixedly connected to the movable seat 302, and the other end is connected to the second telescopic arm 502.

[0087] The first telescopic arm 501 is composed of a connecting arm A5011 and a connecting arm B5012. One end of the connecting arm A5011 is fixedly connected to the movable seat 302. The connecting arm B5012 is slidably connected in the inner cavity of the connecting arm A5011. A first electric push rod 5013 is fixedly installed in the inner cavity of the connecting arm A5011. The telescopic end of the first electric push rod 5013 is fixedly connected to the bottom wall of the inner cavity of the connecting arm B5012, and is used to drive the connecting arm B5012 to extend or retract, so as to realize the length change of the first telescopic arm 501.

[0088] The second telescopic arm 502 is composed of a connecting arm C5021 and a connecting arm D5022. The bottom end of the connecting arm B5012 is fixedly connected to the connecting arm C5021. The connecting arm D5022 is slidably connected in the inner cavity of the connecting arm C5021. A second electric push rod 5023 is fixedly installed in the inner cavity of the connecting arm C5021. The telescopic end of the second electric push rod 5023 is fixedly connected to the inner wall of the connecting arm D5022 and is used to drive the connecting arm D5022 to extend or retract, thereby realizing the length change of the second telescopic arm 502.

[0089] Preferably, the cross-sections of connecting arms A5011, B5012, C5021, and D5022 are all rectangular, which is used to enhance the torsional stiffness between each arm section and ensure the posture stability of the grinding unit 6 during operation.

[0090] With this technical solution, when it is necessary to operate on steel plates of different sizes or different grinding positions, the total length and posture of the grinding robot arm assembly 5 can be flexibly adjusted by the coordinated extension and retraction of the first electric push rod 5013 and the second electric push rod 5023, so that the grinding unit 6 can reach the grinding area of ​​the bottom surface or cut surface of the steel plate.

[0091] In a preferred embodiment of this application, see [reference] Figure 5 and Figure 7As shown, the grinding unit 6 includes a U-shaped fixed plate frame 601, a grinding roller 602, and a grinding motor 603.

[0092] The U-shaped fixed plate frame 601 is fixedly installed at the end of the second telescopic arm 502, that is, at the end of the connecting arm D5022. The grinding roller 602 is connected to the inner side of the U-shaped fixed plate frame 601 through a rotating shaft. The grinding motor 603 is fixedly installed on one side of the U-shaped fixed plate frame 601. The end of the output shaft of the grinding motor 603 is fixedly connected to the rotating shaft of the grinding roller 602 through a coupling or belt drive.

[0093] Specifically, the grinding motor 603 drives the grinding roller 602 to rotate at high speed to perform grinding on the steel plate 9.

[0094] In a preferred embodiment of this application, see [reference] Figure 7 and Figure 8 As shown, the 3D scanning component 7 includes a scanning positioning base 701, a rotating stage 702, and a 3D scanner 703.

[0095] The scanning positioning seat 701 is fixedly installed on the side of the U-shaped fixed plate frame 601. A rotating stage 702 is rotatably connected to one side of the scanning positioning seat 701 via a bearing. The scanning positioning seat 701 has an internal cavity. A servo motor 704 is fixedly installed in the internal cavity of the scanning positioning seat 701. The end of the output shaft of the servo motor 704 is coaxially fixedly connected to the rotating shaft of the rotating stage 702. A 3D scanner 703 is fixedly connected to the side wall of the rotating stage 702.

[0096] With this technical solution, when it is necessary to scan the outline of the steel plate, the servo motor 704 can drive the rotary table 702 and the 3D scanner 703 to rotate as a whole, thereby adjusting the scanning angle of the 3D scanner 703. This allows it to scan the outline of the upper surface of the steel plate 9 before it is lifted, and also to scan the bottom outline of the steel plate 9 and the exposed cutting surface after the steel plate 9 is lifted, by rotating the angle. This obtains complete two-dimensional outline or three-dimensional point cloud data, providing a basis for subsequent automated grinding path planning.

[0097] Further, see Figure 9 As shown, the protective housing 801 is fixedly installed at the lens end of the 3D scanner 703. The protective housing 801 is provided with a transparent protective window 802, which is used to protect the lens of the 3D scanner 703 from direct impact of dust and debris while allowing scanning light to pass through.

[0098] An air curtain seat 803 is fixedly installed on the side of the protective shell 801. Several air curtain nozzles 804 are installed on the air curtain seat 803. An inner cavity is provided inside the air curtain seat 803. An air curtain generating unit is connected to the inner cavity of the air curtain seat 803 to distribute clean compressed air to each air curtain nozzle 804.

[0099] Preferably, the transparent protective window 802 is set at an inclined angle. Specifically, its outer surface forms a certain acute angle with the horizontal plane, making it difficult for falling dust to adhere vertically and easy to be blown away by the air curtain airflow. The spray angle of the air curtain nozzle 804 is adapted to the inclined surface of the transparent protective window 802 to form a complete, downward-facing gas barrier on the outer surface of the transparent protective window 802, thereby blowing away the dust and debris generated during grinding from the scanning area and effectively protecting the lens cleanliness.

[0100] Furthermore, see Figure 10 As shown, the air curtain generating unit includes a fixed cylinder 806, a movable piston 807, and a guide rod 819.

[0101] The fixed cylinder 806 is located on the side of the U-shaped fixed plate frame 601. Specifically, a connecting plate frame 805 is fixedly connected to one end of the U-shaped fixed plate frame 601, and the fixed cylinder 806 is fixedly connected to the connecting plate frame 805. A movable piston 807 is slidably connected in the inner cavity of the fixed cylinder 806. One end of a guide rod 819 is fixedly connected to one side of the movable piston 807. The other end of the guide rod 819 passes through the inner wall of the fixed cylinder 806 and is slidably sealed by a seal, and extends out of the cylinder. A linkage is provided between this end of the guide rod 819 and the grinding unit 6. When the grinding roller 602 rotates and grinds, it can link the guide rod 819 to make reciprocating linear motion, thereby driving the movable piston 807 to reciprocate within the fixed cylinder 806, which acts as an air pump.

[0102] An output pipe 808 and an input pipe 809 are fixedly connected to one side of the inner cavity of the fixed cylinder 806. One end of the output pipe 808 extends into the inner cavity of the air curtain seat 803 and is fixedly connected to the air curtain seat 803. One end of the input pipe 809 is used to connect to an external air filter or clean air source.

[0103] Preferably, both the output pipe 808 and the input pipe 809 are equipped with check valves to ensure unidirectional airflow. Specifically, the check valve on the input pipe 809 allows external gas to enter the inner cavity of the fixed cylinder 806, and the check valve on the output pipe 808 allows gas in the inner cavity of the fixed cylinder 806 to be forced out to the air curtain seat 803.

[0104] As a preferred technical solution, please refer to Figure 12 As shown, in order to ensure a continuous and stable supply of air curtain, two fixed cylinders 806 are provided. The two fixed cylinders 806 are arranged in a mirror symmetrical manner, and the two guide rods 819 are linked together by a U-shaped connecting rod 820. When one fixed cylinder 806 is in the intake stroke, the other is in the exhaust stroke. When the grinding roller 602 rotates continuously, the two fixed cylinders 806 can be linked to alternately perform intake and exhaust, thereby merging and outputting a continuous airflow, thus providing a stable air source.

[0105] See Figure 10 and Figure 11 As shown, the linkage unit includes a first linkage gear 810, a second linkage gear 812, and a first rotating shaft 813.

[0106] A second rotating shaft 811 is rotatably connected to the side wall of the connecting plate frame 805 via a bearing. A second linkage gear 812 is fixedly connected to the arc-shaped wall of the second rotating shaft 811. A rotating disk 817 is fixedly connected to one end of the second rotating shaft 811. One end of a connecting rod 818 is rotatably connected to the eccentric position of the side wall of the rotating disk 817. The other end of the connecting rod 818 is rotatably connected to one end of the guide rod 819 via a ball joint or pin.

[0107] The connecting plate frame 805 is also rotatably connected to a first rotating shaft 813 via a bearing. One end of the first rotating shaft 813 is fixedly connected to a first linkage gear 810, and the first linkage gear 810 meshes with the second linkage gear 812.

[0108] The other end of the first rotating shaft 813 extends into the inner cavity of the second telescopic arm 502. A linkage shaft 815 is rotatably connected to the inner cavity of the second telescopic arm 502 via a bearing. One end of the linkage shaft 815 is fixedly connected to the rotating shaft of the grinding roller 602 via a coupling or gear set to achieve synchronous rotation.

[0109] The other end of the linkage shaft 815 is fixedly connected to the linkage bevel gear B816, and one end of the first rotating shaft 813 is fixedly connected to the linkage bevel gear A814. The linkage bevel gear B816 and the linkage bevel gear A814 mesh with each other.

[0110] Through the above technical solution, when the grinding motor 603 drives the grinding roller 602 to rotate for grinding, the power is transmitted to the first rotating shaft 813 through the linkage shaft 815, linkage bevel gear B816 and linkage bevel gear A814, which drives the first linkage gear 810 to rotate, and then drives the second linkage gear 812 and the second rotating shaft 811 to rotate. Finally, the rotational motion is converted into the linear reciprocating motion of the guide rod 819 through the rotating disk 817 and the connecting rod 818, thereby driving the air curtain generating unit to work. This realizes the automatic synchronous linkage between grinding operation and air curtain protection, which is more energy-saving and efficient.

[0111] As a preferred technical solution, in order to ensure that the reciprocating speed of the piston is moderate and to avoid unstable airflow due to excessive speed or insufficient air curtain due to excessive slowness, the diameter of the first linkage gear 810 is smaller than the diameter of the second linkage gear 812. Specifically, the setting of this reduction gear pair reduces the rotational speed from the grinding roller 602 to the rotating disk 817. In specific implementation, the operator can control the reciprocating frequency of the moving piston 807 by reasonably selecting the gear ratio, so as to match it with the grinding conditions and avoid excessive speed causing mechanical impact or excessive air curtain pulsation.

[0112] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this application does not involve any improvement to the software and methods.

[0113] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A grinding machine suitable for edge trimming of steel plates after flame cutting, characterized in that: include: The processing platform (1) has steel plate lifting components (2) fixedly installed on both sides of the upper surface of the processing platform (1). The steel plate lifting components (2) are composed of lifting sliders (204) and steel plate clamps (205). The steel plate clamps (205) are fixedly installed on the lifting sliders (204). The steel plate lifting assembly (2) is fixedly provided with an offset clearance mechanism (4), and the offset clearance mechanism (4) is fixedly provided with a movable support mechanism (3). A grinding robotic arm assembly (5) is fixedly installed on the mobile support mechanism (3). A grinding unit (6) is fixedly connected to one end of the grinding robotic arm assembly (5). A three-dimensional scanning assembly (7) is fixedly installed on the side of the grinding unit (6). An air curtain dustproof mechanism (8) is installed on the bottom surface of the three-dimensional scanning component (7). The air curtain dustproof mechanism (8) consists of a protective shell (801) and an air curtain generating unit. The three-dimensional scanning component (7) includes a scanning positioning base (701), a rotating stage (702), and a three-dimensional scanner (703). The scanning positioning seat (701) is fixedly installed on the side of the U-shaped fixed plate frame (601). A rotating stage (702) is rotatably connected to one side of the scanning positioning seat (701). An inner cavity is provided inside the scanning positioning seat (701). A servo motor (704) is fixedly installed in the inner cavity of the scanning positioning seat (701). The end of the output shaft of the servo motor (704) is coaxially fixedly connected to the rotating shaft of the rotating stage (702). A three-dimensional scanner (703) is fixedly connected to the side wall of the rotating stage (702). The protective shell (801) is fixedly installed at the lens end of the 3D scanner (703), and a transparent protective window (802) is provided on the protective shell (801). An air curtain seat (803) is fixedly installed on the side of the protective shell (801). Several air curtain nozzles (804) are installed on the air curtain seat (803). An inner cavity is provided inside the air curtain seat (803). An air curtain generating unit is connected to the inner cavity of the air curtain seat (803) for distributing clean air to each air curtain nozzle (804). The air curtain generating unit includes a fixed cylinder (806), a movable piston (807), and a guide rod (819). A movable piston (807) is slidably connected in the inner cavity of the fixed cylinder (806). A guide rod (819) is fixedly connected to one side of the movable piston (807). A linkage part is provided between one end of the guide rod (819) and the grinding unit (6). When the grinding roller (602) of the grinding unit (6) is in a rotating state, the linkage guide rod (819) performs reciprocating linear motion. An output pipe (808) and an input pipe (809) are fixedly connected to one side of the inner cavity of the fixed cylinder (806), and one end of the output pipe (808) extends into the inner cavity of the air curtain seat (803) and is fixedly connected to the air curtain seat (803). The steel plate lifting assembly (2) also includes a fixed crossbeam (201) and a fixed guide rod (203); The offset clearance mechanism (4) includes a clearance slide (401), a gear disk (402), and a connecting rod (403). The yielding slide (401) is located on the side wall of the fixed crossbeam (201); Both sides of the fixed crossbeam (201) are slidably connected to the relief slide (401), both sides of the fixed crossbeam (201) are rotatably connected to the gear disk (402), one end of the connecting rod (403) is rotatably connected to the eccentric position of the side wall of the gear disk (402), and the other end of the connecting rod (403) is rotatably connected to one side of the relief slide (401). Both sides of the fixed crossbeam (201) are slidably connected with a linkage rack (404), the linkage rack (404) meshes with the gear disk (402), and the bottom end of the linkage rack (404) is fixedly connected to the side wall of the steel plate clamp (205).

2. The steel plate edge grinding machine according to claim 1, characterized in that: Two fixed guide rods (203) are fixedly installed on the fixed crossbeam (201). The fixed guide rods (203) pass through the lifting slider (204) and slide with the lifting slider (204). A lifting drive screw (206) is rotatably connected to the bottom surface of the fixed crossbeam (201). The lifting drive screw (206) passes through the lifting slider (204) and is threadedly engaged with the lifting slider (204). A lifting drive motor (207) is fixedly installed at the upper end of the fixed crossbeam (201), and the end of the output shaft of the lifting drive motor (207) is connected to one end of the lifting drive screw (206) for transmission.

3. The steel plate edge grinding machine according to claim 1, characterized in that: The steel plate gripper (205) includes a connecting seat (2051) and a movable gripper (2052); The connecting seat (2051) is fixedly disposed on the side wall of the lifting slider (204). Two movable grippers (2052) are slidably connected to the side wall of the connecting seat (2051). The connecting seat (2051) has an inner cavity. Two movable sliders (2053) are slidably connected in the inner cavity of the connecting seat (2051). The movable grippers (2052) and the movable sliders (2053) are fixedly connected. A double helical screw (2054) is rotatably connected between the upper and lower walls of the inner cavity of the connecting seat (2051). The two ends of the double helical screw (2054) pass through two movable sliders (2053) respectively and are threadedly engaged with the movable sliders (2053). A clamping motor (2055) is fixedly installed on one side of the connecting seat (2051), and the end of the output shaft of the clamping motor (2055) is connected to one end of the double helical screw (2054) for transmission.

4. The edge-grinding machine for steel plates after flame cutting according to claim 1, characterized in that: The movable support mechanism (3) includes a guide crossbar (301) and a movable seat (302). The guide crossbar (301) is fixedly disposed between two relief slides (401) on both sides. The movable seat (302) is slidably connected to the guide crossbar (301). A transverse screw (303) is rotatably connected between the two relief slides (401). The transverse screw (303) passes through the movable seat (302) and is threadedly engaged with the movable seat (302).

5. The steel plate edge grinding machine according to claim 1, characterized in that: The grinding robotic arm assembly (5) includes a first telescopic arm (501) and a second telescopic arm (502), wherein the first telescopic arm (501) is connected to the second telescopic arm (502).

6. The steel plate edge grinding machine according to claim 5, characterized in that: The grinding unit (6) includes a U-shaped fixed plate frame (601), a grinding roller (602) and a grinding motor (603). The U-shaped fixed plate frame (601) is fixedly installed at the end of the second telescopic arm (502). A grinding roller (602) is connected to the inner side of the U-shaped fixed plate frame (601) via a rotating shaft. A grinding motor (603) is fixedly installed on one side of the U-shaped fixed plate frame (601). The end of the output shaft of the grinding motor (603) is connected to the rotating shaft of the grinding roller (602).

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