Laser cutting machine

Abstract

The utility model relates to a laser cutting machine which structurally comprises a conveying device, a receiving and supporting integrated device, a rack, a feeding mechanism, a middle clamping mechanism, a cutting device and a blanking device, wherein the feeding mechanism and the middle clamping mechanism are arranged on the rack. According to the utility model, different functional mechanisms of the laser cutting machine are modularly designed, so that each module can be independently mounted, debugged and maintained, the complexity of the whole equipment is reduced, and the reliability and maintainability of the equipment are improved.

Description

Technical Field

[0001] The utility model relates to laser cutting equipment, in particular to a laser cutting machine. Background Art

[0002] As an important equipment in the field of modern industrial manufacturing, the working principle of the laser cutting machine is based on the high energy characteristics of the laser beam. When the laser beam is accurately irradiated onto the surface of the workpiece, its powerful energy can quickly make the local area of ​​the workpiece reach the melting point or boiling point. At the same time, high-pressure gas coaxial with the laser beam is ejected, quickly blowing the molten or vaporized metal material away from the cutting area, thereby achieving precise cutting and processing of the workpiece. The existing laser cutting machine has the conveying mechanism, material receiving mechanism, feeding mechanism, cutting mechanism, blanking mechanism, etc. installed on the frame. All mechanisms are centrally installed on the frame, resulting in high overall complexity of the equipment, mutual influence between different mechanisms, affecting the processing accuracy of the product, and increasing the difficulty of debugging and maintenance. Utility Model Content

[0003] The utility model aims to provide a laser cutting machine to solve the problem that all mechanisms of the existing laser cutting machine are centrally installed on a frame, resulting in low product processing accuracy and difficulty in equipment debugging and maintenance.

[0004] The utility model is implemented as follows: a laser cutting machine, the structure of which includes:

[0005] A conveying device, comprising a conveying frame and a conveying chain arranged on the conveying frame;

[0006] The receiving and supporting integrated device comprises a receiving and supporting slide, a first mounting seat arranged on the receiving and supporting slide, a first lifting mechanism arranged on the first mounting seat, a first supporting plate arranged on the first lifting mechanism, a first material receiving roller arranged on the first supporting plate, a first vertical plate arranged at one end of the first supporting plate, a second lifting mechanism arranged on the first vertical plate, a second vertical plate arranged on the second lifting mechanism, and a centering mechanism arranged on the second vertical plate;

[0007] A frame, used for installing a feeding mechanism and a middle clamping mechanism;

[0008] A feeding mechanism, comprising a feeding frame arranged on the frame and a left clamping mechanism arranged on the feeding frame;

[0009] A middle clamping mechanism, comprising a middle clamping frame arranged on the frame and a middle chuck arranged on the middle clamping frame;

[0010] A cutting device, comprising a cutting frame and a laser emitter arranged on the cutting frame; and

[0011] The blanking device comprises a blanking slide, a frame arranged on the blanking slide, a telescopic driving element arranged at the lower part of the frame, and a material receiving plate arranged at the upper end of the frame, wherein the telescopic driving element is connected to the material receiving plate.

[0012] Furthermore, it also includes a right clamping mechanism, which includes a right clamping frame and a right chuck arranged on the right clamping frame; the right clamping mechanism is arranged on the frame.

[0013] Furthermore, it also includes an integrated top supporting device, which includes a top supporting slide, a second mounting seat arranged on the top supporting slide, a third lifting mechanism arranged on the second mounting seat, a second support plate arranged on the third lifting mechanism, a second material receiving roller and a third vertical plate arranged on the second support plate, a fourth lifting mechanism arranged on the third vertical plate, and a top material plate arranged on the fourth lifting mechanism.

[0014] Furthermore, the support receiving slide includes a base, a first cylinder and a first slide rail arranged on the base, a first slide block arranged on the first slide rail, and a support receiving slide seat arranged on the first slide block.

[0015] Furthermore, the first lifting mechanism includes a first lead screw arranged on the first mounting seat and a first lead screw sleeve and a first guide rod arranged on the lower side of the first support plate.

[0016] Furthermore, the second lifting mechanism includes a second cylinder and a second sliding block arranged on the first vertical plate and a second sliding rail arranged on the second vertical plate.

[0017] Furthermore, the centering mechanism includes a centering gear arranged on the second vertical plate, two racks arranged on both sides of the centering gear, two connecting plates respectively connected to one of the racks, a third cylinder connected to one of the connecting plates, two centering rods respectively connected to one of the connecting plates, a third slide rail arranged on the second vertical plate, and a third slider arranged on the connecting plate.

[0018] Furthermore, the frame body includes a vertical frame and a sliding mechanism arranged on the blanking slide, and a vertical plate slidably arranged on one side of the vertical frame through the sliding mechanism, the receiving plate is hinged on the vertical plate, and the telescopic driving element is arranged at the lower part of the vertical plate.

[0019] Furthermore, the frame includes a horizontal long board, a vertical long board arranged on the horizontal long board, a plurality of horizontal rods arranged at the rear end of the horizontal long board, and a diagonal support rod connecting the horizontal rods and the vertical long board.

[0020] The utility model modularizes the different functional mechanisms of the laser cutting machine so that each module can be independently installed, debugged and maintained, reducing the complexity of the entire device and improving the reliability and maintainability of the device. Through reasonable spatial layout, mutual interference and influence between different mechanisms are avoided, thereby improving the processing accuracy of the product. Since each module can be independently installed and disassembled, the laser cutting machine has higher flexibility in adapting to different production needs, thereby improving the scope of application of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 It is a three-dimensional structural schematic diagram of the utility model.

[0023] Figure 3 It is a structural schematic diagram of a receiving and supporting integrated device.

[0024] Figure 4 It is a schematic diagram of the internal structure of the integrated receiving and supporting device after removing the first lead screw sleeve and the outer shell of the upper part of the first guide rod.

[0025] Figure 5 yes Figure 3 Schematic diagram of the structure from another perspective.

[0026] Figure 6 It is a schematic diagram of the internal structure of the support-connecting integrated device after removing the outer shell of the centering mechanism.

[0027] Figure 7 It is a structural schematic diagram of the blanking device.

[0028] Figure 8 It is a schematic diagram of the structure of the blanking device when blanking.

[0029] Fig. 9 It is a structural schematic diagram of a top supporting integrated device.

[0030] In the figure: 1, conveying device, 2, receiving and supporting integrated device, 3, frame, 4, cutting device, 5, blanking device, 6, supporting and top integrated device, 101, conveying frame, 102, conveying chain, 103, coupling, 104, transmission shaft, 105, driven sprocket, 106, transmission chain, 107, driving sprocket, 201, receiving and supporting slide, 202, first mounting seat, 203, first support plate, 204, first receiving roller, 205, first vertical plate, 206, second vertical plate, 207, centering rod, 20 8. Base, 209. First cylinder, 210. First slide rail, 211. First slider, 212. Support slide seat, 213. First lead screw, 214. First lead screw sleeve, 215. First guide rod, 216. Second guide rod, 217. First receiving roller seat, 218. Spring, 219. Second cylinder, 220. Second slider, 221. Second slide rail, 222. Centering gear, 223. Rack, 224. Connecting plate, 225. Third cylinder, 226. Third slide rail, 227. Third slide block, 301, horizontal long strip, 302, vertical long strip, 303, horizontal rod, 304, diagonal support rod, 305, long rack, 306, long guide rail, 310, feeding mechanism, 311, feeding frame, 312, clamping mechanism, 313, left chuck, 320, middle clamping mechanism, 321, middle clamping frame, 322, middle chuck, 330, right clamping mechanism, 331, right clamping frame, 332, right chuck, 401, cutting frame, 302, laser transmitter, 501, stand, 502, stand , 503, flip cylinder, 504, receiving plate, 505, second lead screw, 506, second lead screw sleeve, 507, vertical slide rail, 508, vertical slider, 509, base, 510, horizontal cylinder, 511, horizontal slide rail, 512, horizontal slider, 513, blanking slide, 514, limit switch, 601, top slide, 602, second mounting seat, 603, second support plate, 604, second receiving roller, 605, third vertical plate, 606, top plate, 607, top cylinder. DETAILED DESCRIPTION

[0031] like Figure 1 As shown, the utility model includes a conveying device 1, a supporting integrated device 2, a cutting device 4, a blanking device 5, a frame 3, and a feeding mechanism 310 and a clamping mechanism arranged on the frame.

[0032] like Figure 2As shown, the conveying device 1 includes a conveying frame 101 and a plurality of conveying chains 102 arranged on the conveying frame. The plurality of conveying chains 102 are distributed on the conveying frame 101 in parallel and at intervals. The sprocket shafts of the sprocket wheels at one end of the conveying chains 102 are connected to the transmission shaft 104 through a coupling 103 to achieve synchronous rotation. A driven sprocket 105 is arranged on one of the sprocket shafts, a transmission chain 106 is sleeved on the driven sprocket 105, and a driving sprocket 107 is arranged on the transmission chain 106. The driving sprocket 107 is driven by a servo motor and a reducer.

[0033] like Figure 3 As shown, the receiving and supporting integrated device 2 includes a receiving and supporting slide 201, a first mounting seat 202 arranged on the receiving and supporting slide 201, a first lifting mechanism arranged on the first mounting seat 202, a first support plate 203 horizontally arranged on the first lifting mechanism, a first material receiving roller 204 arranged on the first support plate 203, a first vertical plate 205 arranged at one end of the first support plate 203, a second lifting mechanism arranged on the first vertical plate 205, a second vertical plate 206 arranged on the second lifting mechanism, and a centering mechanism arranged on the second vertical plate 206.

[0034] The receiving slide 201 includes a base 208, a first cylinder 209 and a first slide rail 210 disposed on the base 208, a first slider 211 disposed on the first slide rail 210, and a receiving slide seat 212 disposed on the first slider 211. The cylinder rod of the first cylinder is connected to the receiving slide seat 212, and the first cylinder 209 telescopes to drive the receiving slide seat 212 to move forward and backward on the first slide rail 210. There are two first slide rails 210, which are arranged in parallel and at intervals. The receiving slide seat 212 is straddled on the first slide rail 210, and the first mounting seat 202 is connected to the receiving slide seat 212.

[0035] like Figure 4 As shown, the first lifting mechanism includes a first lead screw 213 arranged on the first mounting seat 202, and a first lead screw sleeve 214 and a first guide rod 215 arranged at the lower side of the first support plate 203. The first lead screw 213 is screwed with the first lead screw sleeve 214, and the lower end of the first guide rod 215 is inserted into the first mounting seat 202. The first guide rod 215 provides a vertical guide path for the first support plate 203, ensuring that the first support plate can only move along the direction of the guide rod when lifting, thereby avoiding horizontal deviation or tilt. There are two first guide rods 215, which are symmetrically arranged on both sides of the first lead screw 213. A servo motor and a reducer (not shown) for driving the first lead screw 213 to rotate are arranged in the first mounting seat 202. The lifting and lowering of the first support plate 203 is realized by the rotation of the first lead screw 213 in the first lead screw sleeve 214. The upper parts of the first lead screw sleeve 214 and the first guide rod 215 are covered by a shell, and the upper end of the shell extends to the first support plate 203.

[0036] A second guide rod 216 is provided on the first support plate 203, and a first material receiving roller seat 217 is connected to the upper end of the second guide rod 216. The first material receiving roller 204 is provided on the first material receiving roller seat 217, and the first material receiving roller 204 can rotate on the first material receiving roller seat 217. A spring 218 is sleeved on the second guide rod 216, and the spring 218 is located between the first material receiving roller seat 217 and the first support plate 203. There are two second guide rods 216, which are symmetrically provided at the two end edges of the first support plate 203.

[0037] like Figure 5 As shown, the second lifting mechanism is a cylinder-driven lifting mechanism, including a second cylinder 219 vertically arranged on the first vertical plate 205, and the cylinder rod of the second cylinder 219 is connected to the second vertical plate 206. A second slider 220 is arranged on the first vertical plate 205, and a second slide rail 221 cooperating therewith is arranged on the second vertical plate, and the second slide rail 221 is arranged vertically. The cylinder rod of the second cylinder 219 is arranged downward, and when the cylinder rod of the second cylinder 219 is extended, the second vertical plate 206 moves downward.

[0038] like Figure 6 As shown, the centering mechanism includes a centering gear 222 arranged on the second vertical plate 206, two racks 223 arranged on the upper and lower sides of the centering gear 222, two connecting plates 224 connected to one rack 223, a third cylinder 225 connected to one of the connecting plates 224, two centering rods 207 connected to one connecting plate 224, a third slide rail 226 arranged on the second vertical plate 206, and a third slider 227 arranged on the connecting plate 224. The centering gear 222 is meshed with the rack 223, the third slide rail 226 is arranged horizontally, the third slide rail 226 cooperates with the third slider 227, and the centering rod 207 is arranged vertically. There are two third slide rails 226, which are arranged in parallel and spaced on the upper and lower sides of the two racks 223, and two third sliders 227 are arranged on each connecting plate 224. The centering rod 207 is arranged on the connecting plate 224, and there are two centering rods 207, one of which is connected to each connecting plate 224. When the third cylinder 225 extends, the cylinder rod drives the rack connected to it to move through the connecting plate 224, pushing the centering gear 222 to drive another rack to move, and the two centering rods 207 move away from each other. The centering device is wrapped by the shell to protect it from external interference and damage, while improving the aesthetics of the overall device.

[0039] The frame 3 includes a horizontal long board 301, a vertical long board 302 arranged on the upper side of the horizontal long board 301, a plurality of horizontal rods 303 arranged at the rear end of the horizontal long board 301, and a diagonal support rod 304 connecting the horizontal rod 303 and the vertical long board 302. There are two vertical long boards 302, which are arranged at the front end and the rear end of the upper side of the horizontal long board 301. The horizontal long board 301 and the vertical long board 302 have the same length. The diagonal support rod 304 is connected to the rear end of the vertical long board 302.

[0040] A long rack 305 and a long guide rail 306 are provided on the vertical long strip plate 302 at the rear end. There are three long guide rails 306, one is provided at the upper end of the vertical long strip plate 302 at the rear end, and the other two are provided at the rear side of the vertical long strip plate 302 at the rear end. The feeding mechanism 310 and the clamping mechanism are installed on the vertical long strip plate 302 at the rear end through the long guide rail 306. The diagonal support rod 304 is connected to the bottom of the long guide rail 306 to avoid affecting the movement of the components on the long guide rail 306.

[0041] The feeding mechanism 310 includes a feeding frame 311 disposed on the long guide rail 306, a feeding driving mechanism and a left clamping mechanism disposed on the feeding frame 311, and the left clamping mechanism 312 includes a left chuck 313 for clamping a workpiece and a servo motor for driving the left chuck to rotate, and the left chuck is a four-claw chuck. When cutting a workpiece, the servo motor drives the four-claw chuck and the workpiece clamped by the four-claw chuck to rotate.

[0042] There are two clamping mechanisms arranged on the frame, namely, a middle clamping mechanism 320 and a right clamping mechanism 330. The middle clamping mechanism 320 comprises a middle clamping frame 321 arranged on the long guide rail 306, a middle driving mechanism arranged on the middle clamping frame 321, a middle chuck 322, and a servo motor driving the middle chuck 322 to rotate. The middle clamping mechanism 320 is on the left side of the cutting device 4. The middle clamping mechanism 320 is arranged near the left side of the cutting device 4 to ensure that the workpiece can remain stable during the cutting process.

[0043] The right clamping mechanism 330 is similar to the left clamping mechanism 320, and includes a right clamping frame 331 disposed on the long guide rail 306, a right driving mechanism disposed on the right clamping frame, a right chuck 332, and a servo motor for driving the right chuck 332 to rotate. When the right clamping mechanism 330 is used for processing a long workpiece, it clamps the right end of the long workpiece to keep the long workpiece stable during processing.

[0044] The feed drive mechanism, the middle drive mechanism and the right drive mechanism are the same, and all include a servo motor and a gear arranged on the output shaft of the servo motor. The gear is meshed with the rack to realize the movement of the corresponding mechanism on the long guide rail 306.

[0045] The feed frame 311, the middle clamping frame 321 and the right clamping frame 331 are all connected with three sliders for cooperating with the three long guide rails 306. The feed mechanism 310, the middle clamping mechanism 320 and the right clamping mechanism 330 are all arranged on the vertical long strip 302 at the rear end. The horizontal rod 303 and the diagonal support rod 304 keep the frame 3 stable.

[0046] The cutting device 4 includes a cutting frame 401 and a laser emitter 402 disposed on the cutting frame. The laser emitter 402 is used to emit laser to cut a workpiece.

[0047] like Figure 7 As shown, the blanking device 5 includes a blanking slide, a frame arranged on the blanking slide, a telescopic driving element arranged at the lower part of the frame, and a receiving plate 504 arranged at the upper end of the frame.

[0048] The frame body includes a vertical frame 501 arranged on the blanking slide, a sliding mechanism, and a vertical plate 502 slidably arranged on one side of the vertical frame 501 through the sliding mechanism, and the telescopic driving element is arranged at the lower part of the vertical plate 502, and the telescopic driving element is arranged on the side opposite to the vertical frame 501.

[0049] like Figure 8 As shown, the sliding mechanism includes a second lead screw 505 disposed on the blanking slide, a second lead screw sleeve 506 disposed on the vertical plate 1, a vertical slide rail 507 disposed on the vertical plate, and a vertical slider 508 disposed on the vertical frame 501. The second lead screw 505 cooperates with the second lead screw sleeve 506, and the vertical slide rail 507 cooperates with the vertical slider 508. The servo motor is connected to the second lead screw 505 through a reducer to drive the second lead screw 505 to rotate forward or reversely. The second lead screw 505 rotates in the second lead screw sleeve 506, driving the vertical plate 502 and the receiving plate 504 on the vertical plate 502 to rise and fall.

[0050] The telescopic driving element may be a cylinder, a hydraulic rod or an electric rod. In this embodiment, the telescopic driving element is a flip cylinder 503. The cylinder rod of the flip cylinder 503 is hinged near the lower rear end of the material receiving plate 504. The extension and retraction of the flip cylinder 503 can drive the material receiving plate 504 to rotate around the upper end of the vertical plate 502. There are two flip cylinders 503, which are symmetrically connected to the lower side of the material receiving plate 504, and work together to realize the flipping of the material receiving plate 504.

[0051] The blanking slide comprises a base 509, a horizontal cylinder 510 and a horizontal slide rail 511 arranged on the base 509, a horizontal slider 512 arranged on the horizontal slide rail 511, and a blanking slide seat 513 arranged on the horizontal slider 512. There are two horizontal slide rails 511, which are arranged in parallel and at intervals, and the blanking slide seat 513 is straddled on the horizontal slider 512. The cylinder rod of the horizontal cylinder 510 is connected to the blanking slide seat 513, and the horizontal cylinder 510 is extended and retracted to drive the blanking slide seat 513 and the components thereon to move horizontally along the horizontal slide rail 12. The stand 501 and the second lead screw 505 are both arranged on the blanking slide seat 513.

[0052] A limit switch 514 for controlling the action of the flip cylinder 503 is provided at the upper end of the stand 501. When the receiving plate 504 moves downward and contacts the limit switch 514, the cylinder rod of the flip cylinder 503 retracts, driving the receiving plate 504 to tilt downward, so that the material on the receiving plate 504 falls.

[0053] like Fig. 9 As shown, the utility model also includes a top-supporting integrated device 6, which has a similar structure to the supporting integrated device 2. The top-supporting integrated device 6 includes a top-supporting slide 601, a second mounting seat 602 arranged on the top-supporting slide 601, a third lifting mechanism arranged on the second mounting seat 602, a second support plate 603 arranged on the third lifting mechanism, a second receiving roller 604 and a third vertical plate 605 arranged on the second support plate 603, a fourth lifting mechanism arranged on the third vertical plate 605, and a top-loading plate 606 arranged on the fourth lifting mechanism. The third lifting mechanism is the same as the first lifting mechanism, and is composed of a lead screw and a lead screw sleeve. The fourth lifting mechanism is a top-loading cylinder 607, which is used to lift the workpiece after cutting to facilitate the removal of the workpiece. The top-supporting integrated device 6 is used to receive the long workpiece that has been cut, and the number of the top-supporting integrated devices 6 can be selected according to the length of the long workpiece that has been cut.

Claims

1. A laser cutting machine, characterized in that: include: A conveying device, comprising a conveying frame and a conveying chain arranged on the conveying frame; The receiving and supporting integrated device comprises a receiving and supporting slide, a first mounting seat arranged on the receiving and supporting slide, a first lifting mechanism arranged on the first mounting seat, a first supporting plate arranged on the first lifting mechanism, a first material receiving roller arranged on the first supporting plate, a first vertical plate arranged at one end of the first supporting plate, a second lifting mechanism arranged on the first vertical plate, a second vertical plate arranged on the second lifting mechanism, and a centering mechanism arranged on the second vertical plate; A frame, used for installing a feeding mechanism and a middle clamping mechanism; A feeding mechanism, comprising a feeding frame arranged on the frame and a left clamping mechanism arranged on the feeding frame; A middle clamping mechanism, comprising a middle clamping frame arranged on the frame and a middle chuck arranged on the middle clamping frame; A cutting device, comprising a cutting frame and a laser emitter arranged on the cutting frame; as well as The blanking device comprises a blanking slide, a frame arranged on the blanking slide, a telescopic driving element arranged at the lower part of the frame, and a material receiving plate hinged at the upper end of the frame, wherein the telescopic driving element is connected to the material receiving plate.

2. The laser cutting machine according to claim 1, characterized in that: It also includes a right clamping mechanism, which includes a right clamping frame and a right chuck arranged on the right clamping frame; the right clamping mechanism is arranged on the frame.

3. The laser cutting machine according to claim 1, characterized in that: It also includes an integrated top supporting device, which includes a top supporting slide, a second mounting seat arranged on the top supporting slide, a third lifting mechanism arranged on the second mounting seat, a second support plate arranged on the third lifting mechanism, a second material receiving roller and a third vertical plate arranged on the second support plate, a fourth lifting mechanism arranged on the third vertical plate, and a top material plate arranged on the fourth lifting mechanism.

4. The laser cutting machine according to claim 1, characterized in that: The receiving slide comprises a base, a first cylinder and a first slide rail arranged on the base, a first slide block arranged on the first slide rail, and a receiving slide seat arranged on the first slide block.

5. The laser cutting machine according to claim 1, characterized in that: The first lifting mechanism includes a first lead screw arranged on the first mounting seat, and a first lead screw sleeve and a first guide rod arranged on the lower side of the first support plate.

6. The laser cutting machine according to claim 1, characterized in that: The second lifting mechanism includes a second cylinder and a second sliding block arranged on the first vertical plate and a second sliding rail arranged on the second vertical plate.

7. The laser cutting machine according to claim 1, characterized in that: The centering mechanism includes a centering gear arranged on the second vertical plate, two racks arranged on both sides of the centering gear, two connecting plates respectively connected to one of the racks, a third cylinder connected to one of the connecting plates, two centering rods respectively connected to one of the connecting plates, a third slide rail arranged on the second vertical plate, and a third slider arranged on the connecting plate.

8. The laser cutting machine according to claim 1, characterized in that: The frame body includes a vertical frame and a sliding mechanism arranged on the blanking slide, and a vertical plate slidably arranged on one side of the vertical frame through the sliding mechanism. The receiving plate is hinged on the vertical plate, and the telescopic driving element is arranged at the lower part of the vertical plate.

9. The laser cutting machine according to claim 1, characterized in that: The frame body comprises a horizontal long strip, a vertical long strip arranged on the horizontal long strip, a plurality of horizontal rods arranged at the rear end of the horizontal long strip, and a diagonal support rod connecting the horizontal rods and the vertical long strip.

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