A frame laser cutting equipment

Abstract

The present invention discloses a vehicle frame laser cutting equipment, which relates to the field of laser cutting technology, and includes a cutting table, wherein the bottom of the cutting table is fixedly connected to a frame, and one side of the cutting table is slidably connected to a guide beam. In the present invention, one end of a hydraulic push rod is fixedly connected to a push plate, and the push plate can be driven to slide on the top of the cutting table by the hydraulic push rod, thereby pushing the fixed-length cut vehicle frame to move, and realizing the unloading of the vehicle frame. The hydraulic cylinder can adjust the use height of the pressing plate, so that the residual material is clamped at the bottom of the pressing plate, and the residual material can move with the support frame. The bottom of the residual material can be adsorbed by the adsorption plate and the suction cup, and the residual material can be moved out from the top of the cutting table by the rotation of the gear three, so that the residual material is unloaded separately, and the residual material is prevented from mixing with the cut vehicle frame. The contact between the vehicle frame and the contact sensor can be used to realize the position calibration of the vehicle frame, and the fixed-length cutting of the vehicle frame is assisted, thereby ensuring the cutting accuracy of the vehicle frame.

Description

Technical Field

[0001] The invention relates to the technical field of laser cutting, in particular to a vehicle frame laser cutting device. Background Art

[0002] Laser cutting machine is to focus the laser light emitted from the laser into a high power density laser beam through the optical path system. The laser beam irradiates the surface of the workpiece, causing the workpiece to reach the melting point or boiling point, and at the same time, the high-pressure gas coaxial with the beam blows away the molten or vaporized metal. As the relative position of the beam and the workpiece moves, the material is eventually cut, thus achieving the purpose of cutting.

[0003] For example, Chinese patent CN218555948U discloses a laser cutting device for a hunting vehicle frame, including a laser cutting machine body and a cutting head; a mounting arm is provided on the top of the laser cutting machine body, mounting plates are fixedly connected on both sides of the cutting head, plug-in blocks are fixedly connected on one side of the two mounting plates, one end of the two plug-in blocks are respectively plugged into the inside of the mounting arms, and the other sides of the two mounting plates are respectively rotatably connected to rotating blocks, the outer wall of the rotating block is fixedly connected to a connecting rod, one end of the connecting rod extends to the inside of the plug-in block and is fixedly connected to a fan-shaped plate, and a fixed plate is slidably connected to the inside of the plug-in block.

[0004] In the above patent, although the problem of the cutting head being difficult to disassemble and repair is solved by the plug-in block and the rotating block, the cut frame tubes are concentrated into the discharge bin, and the length of the end of the frame tube is different from the length of the remaining cut sections. After the overall cutting is completed, a large number of fixed-length frame tubes are mixed with the residual materials, and the frame tubes and the residual materials need to be separated, which increases the labor intensity of the manual labor. Summary of the invention

[0005] The purpose of the present invention is to provide a frame laser cutting device to solve the problem raised in the above background technology that after the overall cutting is completed, a large number of fixed-length frame tubes are mixed with residual materials, and the frame tubes and residual materials need to be separated, which increases the labor intensity of manual labor.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a vehicle frame laser cutting device, comprising a cutting table, the bottom of the cutting table is fixedly connected to a frame, one side of the cutting table is slidably connected to a guide beam, one side of the guide beam is slidably connected to an adjustment frame, one side of the adjustment frame is fixedly connected to a detection plate, the bottom of the detection plate is fixedly connected to an infrared ranging sensor, a laser cutting head assembly is installed on one side of the detection plate, a hydraulic push rod 1 is arranged at the bottom of the laser cutting head assembly, one end of the hydraulic push rod 1 is fixedly connected to the cutting table, the other end of the hydraulic push rod 1 is fixedly connected to a push plate, and the bottom of the push plate is slidably connected to the cutting table;

[0007] A material unloading mechanism is provided on one side of the push plate, and the material unloading mechanism includes a connecting plate, a hydraulic push rod three and an adsorption plate, one side of the connecting plate is fixedly connected to the adsorption plate, the top of the adsorption plate is fixedly connected to a suction cup, the bottom of the suction cup is fixedly connected to an annular tube, the annular tube is embedded in the adsorption plate, and the bottom of the annular tube is fixedly connected to an air pump, the top of the air pump is fixedly connected to the adsorption plate, the bottom of the connecting plate is fixedly connected to the hydraulic push rod three, the bottom of the hydraulic push rod three passes through the cutting table and is fixedly connected to the gear three, the gear three is rotatably connected to the cutting table, one side of the gear three is meshed with a gear four, the bottom of the gear four is fixedly connected to the output shaft of the motor three, and the motor three is fixedly connected to the cutting table.

[0008] Preferably, a shift assembly is provided on one side of the unloading mechanism, and the shift assembly includes a hydraulic cylinder, a support frame and two hydraulic push rods. The hydraulic cylinder is embedded in the support frame, and a pressure plate is fixedly connected to the bottom of the hydraulic cylinder.

[0009] Preferably, one side of the pressure plate is slidably connected to the support frame, the bottom of the support frame is slidably connected to the cutting table, one side of the bottom of the support frame is fixedly connected to a hydraulic push rod 2, and one end of the hydraulic push rod 2 is fixedly connected to the cutting table.

[0010] Preferably, a limiting mechanism 2 is fixedly connected to the top of the cutting table, a limiting mechanism 1 is arranged on one side of the limiting mechanism 2, the limiting mechanism 1 includes a limiting plate 1, a guide frame and a lead screw, one side of the limiting plate 1 is fixedly connected to a rack, and one side of the rack is slidably connected to the guide frame.

[0011] Preferably, the bottom of the guide frame passes through the cutting table, one side of the guide frame is slidably connected to the cutting table, and the guide frame is connected to the lead screw via a thread.

[0012] Preferably, one end of the lead screw is rotatably connected to the frame, and the other end is fixedly connected to the output shaft of motor 1, and the top of motor 1 is fixedly connected to the cutting table.

[0013] Preferably, one side of the rack is meshed with gear 1, one end of the gear 1 is rotatably connected to the guide frame, the bottom of the gear 1 is meshed with gear 2, one side of the gear 2 is fixedly connected to the output shaft of motor 2, and one side of the motor 2 is fixedly connected to the guide frame.

[0014] Preferably, one side of the guide frame is fixedly connected to the second limiting plate, an extension bar is inserted inside the second limiting plate, the extension bar is slidably connected to the second limiting plate, and the top of the extension bar is fixedly connected to the first limiting plate.

[0015] Preferably, a calibration component is installed on the top of the cutting table, and the calibration component includes a control panel, a calibration plate and a contact sensor. The bottom of the calibration plate is fixedly connected to the cutting table, and one side of the calibration plate is fixedly connected to the control panel.

[0016] Preferably, the control panel is electrically connected to the contact sensor, and the contact sensor is embedded in one side of the calibration plate.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] In the present invention, one end of the hydraulic push rod is fixedly connected to the push plate, and the push plate can be driven to slide on the top of the cutting table by the hydraulic push rod, thereby pushing the frame of the fixed-length cutting to move, and realizing the unloading of the frame. The hydraulic cylinder can adjust the use height of the pressing plate, so that the residual material is clamped at the bottom of the pressing plate, and the residual material can move with the support frame. The bottom of the residual material can be adsorbed by the adsorption plate and the suction cup. By rotating the gear three, the residual material can be moved out from above the cutting table, so that the residual material can be unloaded separately, avoiding the residual material from being mixed with the cut frame, and reducing the labor intensity.

[0019] In the present invention, an infrared distance measuring sensor is fixedly connected to the bottom of the detection plate. The infrared distance measuring sensor detects the distance from the detection plate to the frame, and the remaining length of the frame can be judged. One side of the calibration plate is fixedly connected to the contact sensor, and the contact sensor and the control panel are electrically connected. The contact between the frame and the contact sensor can be used to calibrate the position of the frame, and assist in fixed-length cutting of the frame, thereby ensuring the cutting accuracy of the frame.

[0020] 3. In the present invention, one side of the limit plate is fixedly connected to the rack, and the rotation of the gear two can drive the gear one to rotate, and then the rotation of the gear one can drive the rack to rise and fall, so as to adjust the use height of the limit plate one, and the limit plate one is used to press the frame to limit the position, and the bottom of the limit mechanism two is fixedly connected to the cutting table, and the limit mechanism two can be used to support the frame to improve the stability of the frame during cutting, and the guide frame is used to drive the frame to move, so as to realize automatic loading of the frame during cutting, thereby improving the overall cutting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of a vehicle frame laser cutting device of the present invention;

[0022] Figure 2 This is a schematic diagram of the installation of a calibration plate structure of a vehicle frame laser cutting device according to the present invention;

[0023] Figure 3 This is a schematic diagram of the installation structure of an infrared distance measuring sensor of a vehicle frame laser cutting device of the present invention;

[0024] Figure 4This is a structural schematic diagram of a second limiting mechanism of a vehicle frame laser cutting device of the present invention;

[0025] Figure 5 This is a schematic diagram of the installation of a hydraulic push rod structure of a vehicle frame laser cutting device of the present invention;

[0026] Figure 6 This is a schematic diagram of the installation of an annular tube structure of a vehicle frame laser cutting device of the present invention;

[0027] Figure 7 This is a schematic diagram of the meshing structure of gear three and gear four of a vehicle frame laser cutting device of the present invention.

[0028] In the figure:

[0029] 1. Adjustment frame; 11. Detection plate; 111. Infrared distance sensor; 12. Laser cutting head assembly; 13. Guide beam; 2. Cutting table; 3. Calibration assembly; 31. Control panel; 32. Calibration plate; 33. Contact sensor; 4. Hydraulic push rod one; 41. Push plate; 5. Limit mechanism one; 51. Limit plate one; 52. Limit plate two; 53. Guide frame; 54. Rack; 55. Gear one; 56. Motor one; 57. Motor two; 58. Gear two; 59. Lead screw; 6. Shift assembly; 61. Hydraulic cylinder; 62. Support frame; 63. Press plate; 64. Hydraulic push rod two; 7. Unloading mechanism; 71. Connecting plate; 72. Hydraulic push rod three; 73. Motor three; 74. Gear three; 75. Gear four; 76. Air pump; 77. Ring pipe; 78. Adsorption plate; 8. Limit mechanism two. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Example 1: Reference Figure 1-Figure 7As shown: a frame laser cutting device, including a cutting table 2, the bottom of the cutting table 2 is fixedly connected to the frame, one side of the cutting table 2 is slidably connected to a guide beam 13, one side of the guide beam 13 is slidably connected to an adjustment frame 1, a hydraulic push rod 14 is arranged at the bottom of the laser cutting head assembly 12, one end of the hydraulic push rod 14 is fixedly connected to the cutting table 2, the other end of the hydraulic push rod 14 is fixedly connected to a push plate 41, the bottom of the push plate 41 is slidably connected to the cutting table 2, one side of the push plate 41 is arranged with a blanking mechanism 7, the blanking mechanism 7 includes a connecting plate 71, a hydraulic push rod 72 and an adsorption plate 78, one side of the connecting plate 71 is fixed to the adsorption plate 78 Connection, the top of the adsorption plate 78 is fixedly connected with a suction cup, the bottom of the suction cup is fixedly connected with an annular tube 77, the annular tube 77 is embedded in the adsorption plate 78, and the bottom of the annular tube 77 is fixedly connected with an air pump 76, the top of the air pump 76 is fixedly connected to the adsorption plate 78, the bottom of the connecting plate 71 is fixedly connected to the hydraulic push rod three 72, the bottom of the hydraulic push rod three 72 passes through the cutting table 2 and is fixedly connected with the gear three 74, the gear three 74 is rotationally connected to the cutting table 2, one side of the gear three 74 is meshed with a gear four 75, the bottom of the gear four 75 is fixedly connected with the output shaft of the motor three 73, and the motor three 73 is fixedly connected to the cutting table 2.

[0032] A shift assembly 6 is provided on one side of the unloading mechanism 7, and the shift assembly 6 includes a hydraulic cylinder 61, a support frame 62 and a hydraulic push rod 64. The hydraulic cylinder 61 is embedded in the support frame 62, and a pressure plate 63 is fixedly connected to the bottom of the hydraulic cylinder 61. One side of the pressure plate 63 is slidably connected to the support frame 62, and the bottom of the support frame 62 is slidably connected to the cutting table 2. A hydraulic push rod 64 is fixedly connected to one side of the bottom of the support frame 62, and one end of the hydraulic push rod 64 is fixedly connected to the cutting table 2.

[0033] In this embodiment, the detection plate 11 can be used to connect the laser cutting head assembly 12 and the guide crossbeam 13, so as to adjust the use position of the laser cutting head assembly 12 above the cutting table 2, and complete the rapid cutting of the frame. The cutting table 2 can support one end of the hydraulic push rod 4, and the hydraulic push rod 4 drives the push plate 41 to move, so that the cut frame can be moved to one side for storage to avoid the accumulation of the frame on the top of the cutting table 2. The air pump 76 can adjust the air pressure change inside the annular tube 77 and the suction cup, so as to assist the suction or separation of the suction cup from the bottom of the residual material. The connection plate 71 can be used to realize the suction. The connection between the attachment plate 78 and the hydraulic push rod three 72 can adjust the use height of the connection plate 71 and the adsorption plate 78 through the hydraulic push rod three 72, so as to reduce the interference of the limit mechanism two 8 and the limit mechanism one 5 when the connection plate 71 and the adsorption plate 78 rotate, and also improve the tightness of the adsorption plate 78 and the bottom of the residual material. By using the meshing of the gear four 75 and the gear three 74, the gear three 74 and the hydraulic push rod three 72 can be rotated synchronously when the gear four 75 rotates, thereby changing the direction of the connection plate 71 and the residual material, and assisting the residual material to be moved out from above the cutting table 2, so that the residual material can be stored separately after being removed;

[0034] At the same time, the support frame 62 can be used to support the bottom of the hydraulic cylinder 61 to ensure that the hydraulic cylinder 61 is stably installed and used. The use height of the pressure plate 63 can be adjusted through the hydraulic cylinder 61, so that the pressure plate 63 and the support frame 62 can be used to clamp and fix the residual material. The movement of the support frame 62 on the top of the cutting table 2 can be adjusted by the hydraulic push rod 64, so as to facilitate the synchronous movement of the residual material and the support frame 62, so that the left side of the residual material is separated from the limit mechanism 8.

[0035] Embodiment 2: According to Figure 1-Figure 3 As shown, a detection plate 11 is fixedly connected to one side of the adjustment frame 1, an infrared ranging sensor 111 is fixedly connected to the bottom of the detection plate 11, a laser cutting head assembly 12 is installed on one side of the detection plate 11, a calibration assembly 3 is installed on the top of the cutting table 2, the calibration assembly 3 includes a control panel 31, a calibration plate 32 and a contact sensor 33, the bottom of the calibration plate 32 is fixedly connected to the cutting table 2, one side of the calibration plate 32 is fixedly connected to the control panel 31, the control panel 31 and the contact sensor 33 are electrically connected, and the contact sensor 33 is embedded in one side of the calibration plate 32.

[0036] In this embodiment, the detection plate 11 can be used to support the top of the infrared ranging sensor 111, and the infrared ranging sensor 111 can be used to detect the distance between the bottom of the detection plate 11 and the top of the cutting table 2 and the bottom of the detection plate 11 and the top of the frame, and the remaining length of the frame can be assisted in judging according to the distance change. When the distance measured by the infrared ranging sensor 111 is the distance between the bottom of the detection plate 11 and the top of the cutting table 2, and the contact sensor 33 is in contact with one end of the frame, the remaining length of the frame is less than the fixed length during cutting, and the signal sent by the contact sensor 33 can be received by the control panel 31, and the received signal can be transmitted to the control terminal.

[0037] Embodiment 3: According to Figure 1-Figure 7As shown, the top of the cutting table 2 is fixedly connected to a limiting mechanism 28, and a limiting mechanism 15 is arranged on one side of the limiting mechanism 28. The limiting mechanism 15 includes a limiting plate 151, a guide frame 53 and a lead screw 59. A rack 54 is fixedly connected to one side of the limiting plate 151, and one side of the rack 54 is slidably connected to the guide frame 53. The bottom of the guide frame 53 passes through the cutting table 2, and one side of the guide frame 53 is slidably connected to the cutting table 2. The guide frame 53 is connected to the lead screw 59 through a thread, and one end of the lead screw 59 is rotatably connected to the frame, and the other end is fixedly connected to a motor 156. Output shaft, the top of motor 1 56 is fixedly connected to the cutting table 2, one side of the rack 54 is meshed with gear 1 55, one end of gear 1 55 is rotatably connected to the guide frame 53, the bottom of gear 1 55 is meshed with gear 2 58, one side of gear 2 58 is fixedly connected to the output shaft of motor 2 57, one side of motor 2 57 is fixedly connected to the guide frame 53, one side of the guide frame 53 is fixedly connected to the limit plate 2 52, an extension strip is inserted inside the limit plate 2 52, the extension strip is slidably connected to the limit plate 2 52, and the top of the extension strip is fixedly connected to the limit plate 1 51.

[0038] In this embodiment, the fixed connection between the second limit plate 52 and the guide frame 53 can be used to support and reinforce the two sides of the guide frame 53. The sliding connection between the top of the second limit plate 52 and the first limit plate 51 can guide the lifting and lowering of the first limit plate 51, thereby improving the stability of the first limit plate 51 during lifting and lowering. The guide frame 53 can be used to support one side of the second motor 57 to ensure the stable installation of the second motor 57. The second motor 57 can drive the second gear 58 to rotate stably, thereby driving the first gear 55 to rotate. The gear 55 is meshed with the rack 54 to drive the rack 54 to rise and fall. One end of the rack 54 is plugged into the The sliding connection between the guide frame 53 and the guide frame 53 can prevent the rack 54 from separating from the guide frame 53, so that the guide frame 53 can also be used to support one side of the rack 54. Since one side of the rack 54 is fixedly connected to the limit plate 51 through a cross bar, the use height of the limit plate 51 can be adjusted when the rack 54 is raised or lowered. The guide frame 53 is connected to the lead screw 59 through a threaded connection. When the lead screw 59 rotates, the movement and adjustment of the guide frame 53 can be achieved, thereby changing the position of the guide frame 53 on the top of the cutting table 2, and at the same time driving the frame to move with the guide frame 53, thereby realizing automatic loading when the frame is cut.

[0039] The method of using the device and the working principle are as follows: first, the plate-shaped frame to be cut is passed through the limiting mechanism 1 5 and the limiting mechanism 2 8 in sequence until one end of the frame overlaps with the contact sensor 33 on one side of the calibration plate 32. At this time, the calibration of the initial cutting position of the frame is completed. The limiting mechanism 2 8 and the clamping part of the limiting mechanism 1 5 have the same structure. The motor 2 57 is used to drive the gear 2 58 to rotate, and the gear 1 55 is driven to rotate by the meshing of the gear 2 58 and the gear 1 55. The gear 1 55 drives the rack 54 to move downward, and the rack 54 moves downward along the guide frame 53. At this time, the limiting plate 1 51 moves downward to press the limit on the top of the frame. The infrared distance sensor 111 at the bottom of the detection plate 11 can be used to detect The distance between the detection plate 11 and the frame is measured. At this time, the driving structure inside the guide beam 13 is used to drive the adjustment frame 1 to move along the guide beam 13, and the frame is cut by the laser cutting head assembly 12. After the cutting is completed, the plate falls on the cutting table 2, and the hydraulic push rod 14 is used to drive the push plate 41 to move, and the frame is moved to one side. Then, the motor 156 is used to drive the lead screw 59 to rotate, so that the guide frame 53 moves along the cutting table 2, and the left end of the frame is close to the calibration plate 32, until the left end of the frame contacts the contact sensor 33 again, and the above steps are repeated to continue cutting the frame until one side of the guide frame 53 overlaps with the limit mechanism 28, and the remaining length of the frame is less than the fixed length of the cutting;

[0040] When the infrared distance measuring sensor 111 detects the distance between the detection plate 11 and the frame, there is no frame blocking in the middle, and the actual detection is the distance between the detection plate 11 and the cutting table 2. The contact sensor 33 also has no contact signal transmitted to the control panel 31. At this time, after receiving the signal, the external control terminal can determine that the length of the residual material is less than the cutting length, and no longer cuts, and controls the start of the motor 2 57 and other equipment. The motor 2 57 drives the gear 2 58 to move in the opposite direction, so that the limit plate 1 51 moves up, and no longer presses the top of the residual material. The guide frame 53 moves to the side away from the residual material, and then the hydraulic cylinder 61 drives the pressing plate 63 to move down to clamp the residual material, and then the hydraulic Push rod 2 64 drives support frame 62 to move on top of cutting table 2, separating the left end of residual material from limiting mechanism 2 8. At this time, hydraulic push rod 3 72 is used to drive connecting plate 71 and adsorption plate 78 to move upward, so that the suction cup on the top of adsorption plate 78 fits with the bottom of residual material, and then pressing plate 63 moves upward, hydraulic push rod 2 64 pushes support frame 62 to move left, so that support frame 62 is separated from residual material, and then motor 3 73 is used to drive gear 4 75 to rotate, and gear 4 75 drives gear 3 74 to rotate, so that connecting plate 71 and adsorption plate 78 rotate 180° with hydraulic push rod 3 72 as the axis, and the residual material is moved out from between limiting mechanism 1 5 and limiting mechanism 2 8, thereby realizing the separation of residual material.

[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vehicle frame laser cutting device, comprising a cutting table (2), wherein the bottom of the cutting table (2) is fixedly connected to a frame, and one side of the cutting table (2) is slidably connected to a guide beam (13), characterized in that: One side of the guide crossbeam (13) is slidably connected to an adjustment frame (1), one side of the adjustment frame (1) is fixedly connected to a detection plate (11), the bottom of the detection plate (11) is fixedly connected to an infrared distance measuring sensor (111), one side of the detection plate (11) is mounted with a laser cutting head assembly (12), the bottom of the laser cutting head assembly (12) is provided with a hydraulic push rod (4), one end of the hydraulic push rod (4) is fixedly connected to the cutting table (2), the other end of the hydraulic push rod (4) is fixedly connected to a push plate (41), and the bottom of the push plate (41) is slidably connected to the cutting table (2); A material discharge mechanism (7) is provided on one side of the push plate (41), and the material discharge mechanism (7) comprises a connecting plate (71), a hydraulic push rod (72) and an adsorption plate (78), one side of the connecting plate (71) is fixedly connected to the adsorption plate (78), a suction cup is fixedly connected to the top of the adsorption plate (78), and an annular tube (77) is fixedly connected to the bottom of the suction cup, the annular tube (77) is embedded in the adsorption plate (78), and an air pump (76) is fixedly connected to the bottom of the annular tube (77), and the air pump (76) ) is fixedly connected to the adsorption plate (78) at the top, the connecting plate (71) is fixedly connected to the hydraulic push rod three (72) at the bottom, the hydraulic push rod three (72) passes through the cutting table (2) at the bottom and is fixedly connected to the gear three (74), the gear three (74) is rotationally connected to the cutting table (2), one side of the gear three (74) is meshed with the gear four (75), the bottom of the gear four (75) is fixedly connected to the output shaft of the motor three (73), and the motor three (73) is fixedly connected to the cutting table (2); A shift assembly (6) is provided on one side of the unloading mechanism (7), and the shift assembly (6) comprises a hydraulic cylinder (61), a support frame (62) and a second hydraulic push rod (64); the hydraulic cylinder (61) is embedded in the support frame (62), and a pressing plate (63) is fixedly connected to the bottom of the hydraulic cylinder (61); one side of the pressing plate (63) is slidably connected to the support frame (62), and the bottom of the support frame (62) is slidably connected to the cutting table (2); one side of the bottom of the support frame (62) is fixedly connected to a second hydraulic push rod (64), and one end of the second hydraulic push rod (64) is fixedly connected to the cutting table (2); The top of the cutting table (2) is fixedly connected to a limiting mechanism 2 (8), and a limiting mechanism 1 (5) is arranged on one side of the limiting mechanism 2 (8), and the limiting mechanism 1 (5) comprises a limiting plate 1 (51), a guide frame (53) and a lead screw (59), and one side of the limiting plate 1 (51) is fixedly connected to a rack (54), and one side of the rack (54) is slidably connected to the guide frame (53); the bottom of the guide frame (53) passes through the cutting table (2), and one side of the guide frame (53) is slidably connected to the cutting table (2), and the guide frame (53) is connected to the lead screw (59) via a thread; one end of the lead screw (59) is rotatably connected to the frame, and the other end is fixedly connected to a motor 1 (56). The output shaft of the motor 1 (56) is fixedly connected to the cutting table (2) at the top; one side of the rack (54) is meshed with a gear 1 (55), one end of the gear 1 (55) is rotatably connected to the guide frame (53), the bottom of the gear 1 (55) is meshed with a gear 2 (58), one side of the gear 2 (58) is fixedly connected to the output shaft of the motor 2 (57), and one side of the motor 2 (57) is fixedly connected to the guide frame (53); one side of the guide frame (53) is fixedly connected to the limit plate 2 (52), an extension strip is inserted inside the limit plate 2 (52), the extension strip is slidably connected to the limit plate 2 (52), and the top of the extension strip is fixedly connected to the limit plate 1 (51); A calibration component (3) is installed on the top of the cutting table (2), and the calibration component (3) comprises a control panel (31), a calibration plate (32) and a contact sensor (33); the bottom of the calibration plate (32) is fixedly connected to the cutting table (2), and one side of the calibration plate (32) is fixedly connected to the control panel (31); the control panel (31) and the contact sensor (33) are electrically connected, and the contact sensor (33) is embedded in one side of the calibration plate (32).

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