Laser knife sharpening equipment and processing method

Abstract

The present application relates to a laser tool sharpening device and processing method, which belongs to the technical field of laser processing; the laser tool sharpening device includes a workbench and a driving device, a laser tool sharpening assembly, and a tool clamping device arranged on the workbench, the laser tool sharpening assembly is installed on the side wall of one side of the driving device, and the laser tool sharpening assembly is also located above the tool clamping device; the laser tool sharpening assembly includes an imaging system, a deflection scanning system, and a focusing system; the imaging system is installed on the side wall of the driving device close to the tool clamping device, the deflection system is installed on the side wall of the imaging system away from the driving device, and the focusing system is installed on the side wall of the deflection system close to the tool clamping device. The present application has the effect of processing insulating materials and reducing damage to the tool.

Description

Technical Field

[0001] The present application relates to the technical field of laser processing, and in particular to a laser tool sharpening device and a processing method. Background Art

[0002] The tool grinder is mainly used for the processing of super-hard tool edges, and for the grinding of turning tools, drills, milling cutters, engraving knives, computer engraving machines, die-cutting milling machines, machining centers, engraving machines, engraving machines, marking machines and other metal equipment.

[0003] With regard to the above-mentioned related technologies, the inventor believes that the existing tool edge processing methods mainly use grinding wheels or electric spark wire cutting. Among them, grinding wheel processing is a physical contact processing, which uses a high-speed rotating grinding wheel for grinding, which is very likely to cause stress damage to the workpiece; electric processing uses the gap between the wire electrode and the workpiece to continuously discharge to achieve the purpose of removing metal. During processing, it will not only cause discharge damage to the workpiece, but also fail to achieve the processing of insulating materials. Summary of the invention

[0004] In order to reduce damage to processing materials and also to process insulating materials, the present application provides a laser sharpening device and a processing method.

[0005] The present application provides a laser knife sharpening device adopting the following technical solution:

[0006] A laser knife sharpening device comprises a workbench and a driving device, a laser knife sharpening assembly and a knife clamping device arranged on the workbench, wherein the laser knife sharpening assembly is installed on a side wall of one side of the driving device, and the laser knife sharpening assembly is also located above the knife clamping device;

[0007] The laser sharpening assembly includes an imaging system, a deflection scanning system, and a focusing system;

[0008] The imaging system is installed on the side wall of the driving device close to the knife clamping device, the deflection system is installed on the side wall of the imaging system away from the driving device, and the focusing system is installed on the side wall of the deflection system close to the knife clamping device.

[0009] By adopting the above technical solution, a laser sharpening assembly is used instead of a conventional grinding wheel to process the tool, which can reduce stress damage to the tool and avoid electrical damage to the tool caused by electrical machining. At the same time, the sharpening equipment can also process insulating materials, increasing the application range of the sharpening equipment.

[0010] Preferably, the driving device comprises a motion z-axis moving mechanism and a b-axis rotation mechanism mounted on the motion z-axis moving mechanism, and the laser sharpening assembly is mounted on the b-axis rotation mechanism;

[0011] The z-axis moving mechanism drives the b-axis rotation mechanism to move up and down, and the b-axis rotation mechanism drives the laser sharpening assembly to rotate;

[0012] The motion z-axis moving mechanism comprises a support frame bolted to the shock-absorbing platform and two motion z-direction slide rails fixedly connected to the support frame;

[0013] Two motion z-direction slide rails are vertically arranged, and a guide groove is provided between the two motion z-direction slide rails, a motion z-direction lead screw is provided in the guide groove, and the two ends of the motion z-direction lead screw are respectively rotatably connected to the two end surfaces of the guide groove, and the upper end of the support frame is fixedly connected to a motion z-direction motor with an output shaft vertically downward, and the output shaft of the motion z-direction motor extends into the guide groove and is fixedly connected to the motion z-direction lead screw, and the motion z-direction motor drives the motion z-direction lead screw to rotate along its own axis;

[0014] A motion z-direction moving block that cooperates with the motion z-direction lead screw thread is provided in the guide groove, one side of the motion z-direction moving block protrudes from the guide groove, and limiting blocks are integrally formed on both sides of the protruding end of the motion z-direction moving block. The limiting blocks and the motion z-direction slide rail cooperate with each other so that the motion z-direction moving block can only reciprocate along the motion z-direction lead screw, and the laser sharpening assembly is installed on the motion z-direction moving block.

[0015] By adopting the above technical solution, the z-axis moving mechanism can move the b-axis rotation mechanism up and down, and the b-axis rotation mechanism can drive the rotation of the laser sharpening assembly. Therefore, the laser sharpening assembly can move up and down and rotate under the drive of the driving device, so that the laser sharpening assembly can process the tool from different angles, so the laser sharpening assembly can process the tool more comprehensively.

[0016] Preferably, the b-axis self-rotation mechanism comprises a mounting plate bolted to the moving z-direction moving block and a b-direction reduction motor bolted to the mounting plate;

[0017] A light pipe penetrating the output shaft of the b-direction reduction motor is fixedly connected to the output shaft of the b-direction reduction motor, and the light pipe also penetrates the mounting plate. The laser sharpening assembly is installed at one end of the light pipe close to the tool clamping device.

[0018] Preferably, the tool clamping device comprises a moving x-axis translation stage mounted on the workbench, a moving y-axis translation stage mounted on the moving x-axis translation stage, a c-axis self-rotating round stage mounted on the moving y-axis translation stage, and a tool clamping assembly mounted on the c-axis self-rotating round stage;

[0019] The motion x-axis translation stage comprises a motion x-direction support plate and bearings fixedly connected to both ends of the motion x-direction support plate, a motion x-direction lead screw is arranged between the two bearings, both ends of the motion x-direction lead screw are respectively fixedly connected to the inner rings of the two bearings, one end of the motion x-direction support plate is fixedly connected to a motion x-direction motor, and the output shaft of the motion x-direction motor and the motion x-direction lead screw are fixedly connected to drive the motion x-direction lead screw to rotate;

[0020] A motion x-direction moving block is sleeved on the motion x-direction lead screw, and the motion x-direction moving block and the motion x-direction lead screw are threadedly matched, and two symmetrically arranged motion x-direction slide rails are fixedly connected to the motion x-direction support plate, and the motion x-direction slide rails and the motion x-direction support plate have the same length direction, and the motion x-direction moving block and the motion x-direction slide rails are matched, so that the motion x-direction moving block can only reciprocate along the motion x-direction slide rails;

[0021] The motion y-axis translation stage comprises a motion y-direction support plate and bearings fixedly connected to both ends of the motion y-direction support plate, a motion y-direction lead screw is arranged between the two bearings, both ends of the motion y-direction lead screw are respectively fixedly connected to the inner rings of the two bearings, one end of the motion y-direction support plate is fixedly connected to a motion y-direction motor, the output shaft of the motion y-direction motor and the motion y-direction lead screw are fixedly connected to drive the motion y-direction lead screw to rotate, and the motion y-direction support plate is installed on the motion x-direction moving block;

[0022] A motion y-direction moving block is sleeved on the motion y-direction lead screw, and the motion y-direction moving block and the motion y-direction lead screw are threadedly matched, and two symmetrically arranged motion y-direction slide rails are fixedly connected to the motion y-direction support plate, and the motion y-direction slide rails and the motion y-direction support plate have the same length direction, and the motion y-direction movement and the motion y-direction slide rails are matched so that the motion y-direction moving block can only reciprocate along the motion y-direction slide rails, and the c-axis rotating table is installed on the motion y-direction moving block.

[0023] Preferably, sealing components are provided on both sides of the length direction of the moving block in the y direction and the moving block in the x direction;

[0024] The sealing assembly includes three door-shaped slides arranged in a stepped manner, and the three slides are overlapped in sequence. The largest slide at one end of the sealing assembly is fixedly connected to the y-direction moving block or the x-direction moving block, and the slide at the other end of the sealing assembly is fixedly connected to a baffle, and the baffle is bolted to the x-direction support plate or the y-direction support plate.

[0025] By adopting the above technical solution, the sealing assembly can prevent the debris generated by processing from falling into the interior of the moving x-axis translation stage and the moving y-axis translation stage, thereby reducing the probability of failure inside the moving x-axis translation stage and the moving y-axis translation stage, and the stepped slide setting can push off the debris that falls on the surface of the slide, reducing the probability of debris entering the interior of the moving x-axis translation stage and the moving y-axis translation stage.

[0026] Preferably, the c-axis rotating table has a vertically arranged cylinder and a c-axis reduction motor driving the cylinder to rotate;

[0027] The knife clamping assembly includes a cylinder fixedly connected to the inside of the cylinder and a fixing plate bolted to the upper end of the cylinder, and a supporting cylinder is fixedly connected to the fixing plate;

[0028] A collet is fixedly connected to the upper end of the support tube. The collet is composed of four elastic plates evenly distributed around the axis of the support tube. The telescopic rod of the cylinder extends into the collet, and a core shaft is fixedly connected to the telescopic rod of the cylinder. The upper end of the core shaft protrudes from the collet. The core shaft is conical, so that the collet is large at the upper end and small at the lower end.

[0029] By adopting the above technical solution, the cooperation between the mandrel and the collet can quickly and conveniently fix the tool, and the movement of the mandrel is powered by the cylinder, so no manual participation is required, reducing the existing safety hazards, and at the same time, the tool clamping assembly can also fix tools with different center hole sizes.

[0030] Preferably, the workbench is further provided with a material storage device and a material guide device, the material storage device is located on one side of the knife clamping device, and the material guide device is located between the material storage device and the knife clamping device;

[0031] The material guiding device comprises a truss x-axis moving mechanism installed on the workbench and a truss z-axis moving mechanism installed on the truss x-axis moving mechanism, and a material grabbing mechanism is installed on the truss z-axis moving mechanism;

[0032] The material storage device comprises a truss y-axis moving mechanism and a material storage tray mounted on the truss y-axis moving mechanism, and the truss y-axis moving mechanism drives the material storage tray to move;

[0033] The truss x-axis moving mechanism drives the grabbing mechanism to move to the top of the material storage tray, and the truss z-axis moving mechanism drives the grabbing mechanism to descend to clamp the tool on the material storage tray;

[0034] The truss x-axis moving mechanism comprises a truss x-direction support member and a truss x-direction lead screw, and the truss x-direction lead screw and the truss x-direction support member have the same length direction;

[0035] A truss x-direction support block and a truss x-direction motor are respectively provided at both ends of the truss x-direction lead screw, one end of the truss x-direction lead screw is rotatably connected to the truss x-direction support block, and the other end of the truss x-direction lead screw is fixedly connected to the output shaft of the truss x-direction motor;

[0036] A truss x-direction slider is sleeved on the truss x-direction lead screw, and the truss x-direction slider and the truss x-direction lead screw are threadedly matched, and a truss x-direction slide rail matched with the truss x-direction slider is also fixedly connected to the truss x-direction support member;

[0037] The truss x-direction slide rail and the truss x-direction support have the same length direction, and the truss x-direction slide rail limits the truss x-direction slider, so that the truss x-direction slider can only reciprocate along the truss x-direction slide rail but cannot rotate;

[0038] The truss z-axis moving mechanism comprises a truss z-direction support and a truss z-direction lead screw, the truss z-direction lead screw and the truss z-direction support have the same length direction, and the truss z-direction support is installed on the truss x-direction slider;

[0039] A truss z-direction support block and a truss z-direction motor are respectively provided at both ends of the truss z-direction lead screw, one end of the truss z-direction lead screw is rotatably connected to the truss z-direction support block, and the other end of the truss z-direction lead screw is fixedly connected to the output shaft of the truss z-direction motor;

[0040] A truss z-direction slider is sleeved on the truss z-direction lead screw, and the truss z-direction slider and the truss z-direction lead screw are threadedly matched, and a truss z-direction slide rail matched with the truss z-direction slider is also fixedly connected to the truss z-direction support member;

[0041] The truss z-direction slide rail and the truss z-direction support have the same length direction. The truss z-direction slide rail limits the truss z-direction slider so that the truss z-direction slider can only reciprocate along the truss z-direction slide rail but cannot rotate; the grabbing mechanism is installed on the truss z-direction slider.

[0042] The truss y-axis moving mechanism comprises two truss y-direction supports fixedly connected to the workbench and a truss y-direction lead screw arranged on one of the truss y-direction supports, and the truss y-direction lead screw and the truss y-direction support have the same length direction;

[0043] Both ends of the truss y-direction support are fixedly connected with rectangular plates, and both ends of the truss y-direction lead screw are rotatably connected with the two rectangular plates respectively, and one end of the truss y-direction lead screw is also provided with a driving motor for driving the truss y-direction lead screw to rotate;

[0044] A truss y-direction slider is sleeved on the truss y-direction lead screw, and the truss y-direction slider and the truss y-direction lead screw are threadedly matched, and a truss y-direction slide rail matched with the truss y-direction slider is also fixedly connected to the truss y-direction support member;

[0045] The truss y-direction slide rail and the truss y-direction support have the same length direction, and the truss y-direction slide rail limits the truss y-direction slider, so that the truss y-direction slider can only reciprocate along the truss y-direction slide rail but cannot rotate; the storage tray is installed on the truss y-direction slider;

[0046] The material storage tray comprises a moving plate installed on the y-direction sliding block of the truss and a material discharge plate arranged on the moving plate, and a plurality of material discharge holes for accommodating cutting tools are evenly opened on the material discharge plate.

[0047] Preferably, the truss x-axis moving mechanism comprises a truss x-direction support member and a truss x-direction lead screw, and the truss x-direction lead screw and the truss x-direction support member have the same length direction;

[0048] A truss x-direction support block and a truss x-direction motor are respectively provided at both ends of the truss x-direction lead screw, one end of the truss x-direction lead screw is rotatably connected to the truss x-direction support block, and the other end of the truss x-direction lead screw is fixedly connected to the output shaft of the truss x-direction motor;

[0049] A truss x-direction slider is sleeved on the truss x-direction lead screw, and the truss x-direction slider and the truss x-direction lead screw are threadedly matched, and a truss x-direction slide rail matched with the truss x-direction slider is also fixedly connected to the truss x-direction support member;

[0050] The truss x-direction slide rail and the truss x-direction support have the same length direction, and the truss x-direction slide rail limits the truss x-direction slider, so that the truss x-direction slider can only reciprocate along the truss x-direction slide rail but cannot rotate;

[0051] The truss z-axis moving mechanism comprises a truss z-direction support and a truss z-direction lead screw, the truss z-direction lead screw and the truss z-direction support have the same length direction, and the truss z-direction support is installed on the truss x-direction slider;

[0052] A truss z-direction support block and a truss z-direction motor are respectively provided at both ends of the truss z-direction lead screw, one end of the truss z-direction lead screw is rotatably connected to the truss z-direction support block, and the other end of the truss z-direction lead screw is fixedly connected to the output shaft of the truss z-direction motor;

[0053] A truss z-direction slider is sleeved on the truss z-direction lead screw, and the truss z-direction slider and the truss z-direction lead screw are threadedly matched, and a truss z-direction slide rail matched with the truss z-direction slider is also fixedly connected to the truss z-direction support member;

[0054] The truss z-direction slide rail and the truss z-direction support have the same length direction. The truss z-direction slide rail limits the truss z-direction slider, so that the truss z-direction slider can only reciprocate along the truss z-direction slide rail but cannot rotate; the material grabbing mechanism is installed on the truss z-direction slider

[0055] Preferably, the material grabbing mechanism comprises a support arm mounted on the z-direction slider of the truss and two pneumatic fingers arranged at the lower end of the support arm;

[0056] The lower end of the support arm is bent toward the direction close to the knife clamping device, and a motor is fixedly connected inside the support arm, the output shaft of the motor protrudes from the lower end of the support arm, and a rotating plate is fixedly connected to the protruding output shaft of the motor;

[0057] The two ends of the rotating plate are bent in an arc shape toward the direction close to the support arm. Two pneumatic fingers are installed at the two ends of the rotating plate, and the pneumatic fingers are located on a side of the rotating plate away from the support arm.

[0058] By adopting the above technical solution, the cooperation of the motor and the rotating plate can more conveniently and quickly realize the exchange of the positions of the two pneumatic fingers, and the two arc-shaped rotating plates can keep the two pneumatic finger cylinders in a horizontal and vertical state respectively, which is convenient for clamping the tool and installing the tool on the tool clamping assembly.

[0059] The present application provides a laser sharpening method using the following technical solution:

[0060] A laser sharpening method comprises the following steps:

[0061] S1. Loading: Install all the tools on the feeding plate, and then install the feeding plate on the moving plate.

[0062] S2. Selection: Select the laser filling type according to the tool material and tool profile.

[0063] S3, Processing: The tool is always in motion, and the laser processes the moving tool; the laser sharpening component processes the tool in the range of -120° to +120°; and during the processing, the laser processes layer by layer from the outermost side to the inner side, and the laser and the tool contour reach a state of at least tangency.

[0064] S4. Material change: The material grabbing mechanism can automatically change the tool without manual direct material change.

[0065] By adopting the above technical solution, laser cutting is used instead of conventional grinding wheel and wire EDM processing. Laser processing is a non-contact processing that uses a high-energy-density laser beam to directly process the tool without the stress damage of grinding wheel processing and the discharge damage of electrical processing. In addition, regardless of whether the tool edge material being processed is conductive, the laser can be processed. Laser sharpening machines are mainly used in the processing of superhard tool edges, belonging to the field of tool processing, and have the advantages of no pollution, low consumables, high efficiency, and high quality.

[0066] In summary, the present application includes at least one of the following beneficial technical effects:

[0067] 1. The driving device drives the laser tool grinding assembly up and down and rotates. The moving x-axis translation table, the moving y-axis translation table and the c-axis rotation table in the tool clamping device drive the tool clamping assembly to move left and right, front and back on the plane. The tool clamping assembly can also rotate. The laser tool grinding assembly replaces the conventional grinding wheel, thereby reducing the stress damage to the tool. It can also process the tool within 0°±120°, thereby increasing the processing range. It can also process the cutting edge and chamfer of the tool with a back angle.

[0068] 2. The sealing components on the motion x-axis translation stage and the motion y-axis translation stage can reduce the impact of the debris generated by processing on the motion x-axis translation stage and the motion y-axis translation stage, and the motion x-axis translation stage, the motion y-axis translation stage, the motion z-axis moving mechanism, the b-axis rotation mechanism, the c-axis rotating round table, the truss x-axis moving structure, the truss z-axis moving mechanism and the truss y-axis moving mechanism are more stable during operation, reducing the probability of the tool on the gripping mechanism falling off;

[0069] 3. The laser tool sharpening method realizes fast and accurate tool processing through the cooperation of steps S1, S2, S3, and S4, reduces profit damage to the tool, reduces manual participation, and reduces existing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0070] Figure 1 It is a schematic diagram of the overall structure of the laser knife sharpening device of the embodiment.

[0071] Figure 2 Schematic diagram of the structure of the driving device and the sharpening assembly in the embodiment.

[0072] Figure 3 is a schematic diagram of the structure of the detection component in the embodiment.

[0073] Figure 4 Schematic diagram of laser path in the embodiment.

[0074] Figure 5 2 is a schematic structural diagram of a knife clamping device in an embodiment.

[0075] Figure 6 Schematic diagram of the structure of the c-axis rotating table in the embodiment.

[0076] Figure 7 yes Figure 5 Enlarged view of part A in the middle.

[0077] Figure 8 Schematic diagram of the structure of the sealing assembly in the embodiment.

[0078] Fig. 9 Schematic diagram of the structure of the material guiding device in the embodiment.

[0079] Fig.10 yes Figure 8 Enlarged view of part B in the middle.

[0080] Fig.11 It is a partial cross-sectional view highlighting the z-direction slider of the truss in the embodiment.

[0081] Fig.12 Schematic diagram of the structure of the material storage device in the embodiment.

[0082] Fig.13 yes Fig.11 Enlarged view of part c in the middle.

[0083] Figure 14-1 This is the first laser filling method in the embodiment.

[0084] Figure 14-2 This is the second laser filling method in the embodiment.

[0085] Figure 14-3 This is the third laser filling method in the embodiment.

[0086] Figure 14-4 This is the fourth laser filling method in the embodiment.

[0087] Explanation of reference numerals: 1. workbench; 11. shock-absorbing table; 2. driving device; 21. motion z-axis moving mechanism; 211. support frame; 212. guide groove; 213. motion z-axis lead screw; 214. motion z-axis motor; 215. motion z-axis moving block; 216. motion z-axis slide rail; 217. limit block; 22. b-axis self-rotation mechanism; 221. mounting plate; 222. b-axis reduction motor; 223. light pipe; 23. detection assembly; 231. mounting cylinder; 232. probe; 233. electric push rod; 3. laser sharpening assembly; 31. imaging system; 32. deflection scanning system; 33. Focusing system; 4. Tool clamping device; 41. C-axis self-rotating round table; 411. C-axis reduction motor; 412. Cylinder; 42. Motion Y-axis translation stage; 421. Motion Y-axis support plate; 422. Motion Y-axis slide rail; 423. Motion Y-axis moving block; 424. Motion Y-axis motor; 425. Motion Y-axis lead screw; 43. Motion X-axis translation stage; 431. Motion X-axis support plate; 432. Motion X-axis slide rail; 433. Motion X-axis moving block; 434. Motion X-axis motor; 435. Motion X-axis lead screw; 436. Bearing; 44. Tool clamping assembly; 441. Cylinder; 442. Fixed plate; 443, support tube; 444, tube clamp; 445, mandrel; 45, sealing assembly; 451, slide plate; 452, clamping plate; 453, baffle; 5, material guide device; 51, bracket; 52, truss x-axis moving mechanism; 521, truss x-direction support; 522, truss x-direction slide rail; 523, truss x-direction moving block; 524, truss x-direction lead screw; 525, truss x-direction support block; 526, truss x-direction motor; 53, truss z-axis moving mechanism; 531, truss z-direction support; 532, truss z-direction slide rail; 533, truss z-direction support plate; 534, truss z-direction lead screw bar; 535, truss z-axis motor; 536, truss z-axis slider; 54, material grabbing mechanism; 541, support arm; 542, motor; 543, rotating plate; 544, pneumatic finger; 6, material storage device; 61, material storage tray; 611, moving plate; 612, material discharge plate; 613, material discharge hole; 614, abutment plate; 62, truss y-axis moving mechanism; 621, truss y-axis support; 622, truss y-axis slide rail; 623, truss y-axis slider; 624, driving motor; 625, truss y-axis lead screw; 626, rectangular plate; 627, pulley; 628, belt; 7, tool. DETAILED DESCRIPTION

[0088] The following is combined with Figure 1 Attachment Figure 14-4 This application is described in further detail.

[0089] The present application embodiment discloses a laser knife sharpening device. Figure 1The laser tool sharpening equipment includes a workbench 1 and a driving device 2, a laser tool sharpening assembly 3, a tool clamping device 4, a material guide device 5 and a material storage device 6 arranged on the workbench 1; the laser tool sharpening assembly 3 is arranged on the driving device 2, the driving device 2 drives the laser tool sharpening assembly 3 to move, the tool clamping device 4 is located on the side of the driving device 2 where the laser tool sharpening assembly 3 is installed, and the tool clamping device 4 is also located below the laser tool sharpening assembly 3; the tool clamping device 4 clamps the tool 7 to be processed, so that the laser tool sharpening assembly 3 can process the tool 7. The material storage device 6 temporarily stores the workpiece, that is, the tool 7, and the material guide device 5 is arranged between the material storage device 6 and the tool clamping device 4, so the material guide device 5 transports the tool 7 temporarily stored on the material storage device 6 to the tool clamping device 4.

[0090] Reference Figure 1 A shock absorbing platform 11 is also fixedly connected to the workbench 1. The shock absorbing platform 11 and the workbench 1 are both made of natural marble or mineral castings. The driving device 2 and the material guiding device 5 are both installed on the shock absorbing platform 11, so as to reduce the influence of vibration on the processing accuracy.

[0091] Reference Figure 1 and Figure 2 The driving device 2 includes a z-axis moving mechanism 21 and a b-axis rotation mechanism 22 installed on the z-axis moving mechanism 21; the laser sharpening assembly 3 is installed on the b-axis rotation mechanism 22, and the b-axis rotation mechanism 22 drives the laser sharpening assembly 3 to rotate; the b-axis rotation mechanism 22 is installed on the z-axis moving mechanism 21, so the z-axis moving mechanism 21 drives the b-axis rotation mechanism 22 to move up and down, thereby making it convenient for the laser sharpening assembly 3 to perform multi-angle processing on the tool 7.

[0092] Reference Figure 2 and Figure 3 The motion z-axis moving mechanism 21 includes a support frame 211 bolted to the shock absorbing platform 11 and a guide groove 212 provided on the side wall of the support frame 211 close to the knife clamping device 4, and the guide groove 212 is arranged vertically; a motion z-direction lead screw 213 is arranged in the guide groove 212, and the motion z-direction lead screw 213 is arranged along the length direction of the guide groove 212, and the two ends of the motion z-direction lead screw 213 are respectively rotated and connected to the two end surfaces of the guide groove 212, so that the motion z-direction lead screw 213 can move along its own axis direction Rotation; the upper end of the support frame 211 is fixedly connected to a movement z-direction motor 214 with an output shaft vertically downward, and the output shaft of the movement z-direction motor 214 is fixedly connected to the movement z-direction lead screw 213, so that the movement z-direction motor 214 can drive the movement z-direction lead screw 213 to rotate; the movement z-direction lead screw 213 is also provided with a movement z-direction moving block 215, and the movement z-direction moving block 215 and the movement z-direction lead screw 213 are threadedly matched, and the movement z-direction lead screw 213 rotates to make the movement z-direction moving block 215 reciprocate up and down.

[0093] Reference Figure 2 and Figure 3 The b-axis rotation mechanism 22 includes a mounting plate 221 bolted to the moving z-axis moving block 215 and a b-axis reduction motor 222 bolted to the mounting plate 221. The b-axis reduction motor 222 is located on the side wall of the mounting plate 221 close to the tool clamping device 4; the b-axis reduction motor 222 is composed of a motor and a reversing gear reduction box. The output shaft of the motor and the input shaft of the reversing gear reduction box are fixedly connected through bearings or couplings. The output shaft of the reversing gear reduction box is perpendicular to the surface of the mounting plate 221 to form the output shaft of the b-axis reduction motor 222. Therefore, the light tube 223 is fixedly connected to the output shaft of the b-axis reduction motor 222, and the light tube 223 passes through the output shaft of the b-axis reduction motor 222 and the mounting plate 221, and the axis of the light tube 223 and the b-axis reduction motor 222 coincide; the laser sharpening assembly 3 is installed at the end of the light tube 223 away from the support frame 211; the cooperation of the moving z-axis moving mechanism 21 and the b-axis rotation mechanism 22 realizes multi-angle adjustment of the laser sharpening assembly 3, meets the processing of the back angle tool 7 and the chamfering processing, and improves the processing range.

[0094] Reference Figure 2 and Figure 3 Two vertical z-direction slide rails 216 are fixedly connected to one side of the support frame 211 close to the mounting plate 221. The z-direction moving block 215 is integrally formed with limit blocks 217 on both sides of the side walls close to the mounting plate 221. The limit blocks 217 can cooperate with the z-direction slide rails 216 to make the z-direction moving block 215 reciprocate along the z-direction slide rails 216 to prevent the z-direction moving block 215 from rotating, thereby making the z-direction lead screw 213 drive the z-direction moving block 215 to move linearly.

[0095] Reference Figure 2 and Figure 3 The mounting plate 221 is also equipped with a detection assembly 23, which includes a mounting tube 231 fixedly connected to the mounting plate 221 and a probe 232 arranged inside the mounting tube 231. The mounting tube 231 is also fixedly connected with an electric push rod 233. The probe 232 is installed on the push rod of the electric push rod 233, so the electric push rod 233 can drive the probe 232 to extend or retract. The probe 232 can detect the position of the tool 7, which is convenient for the laser sharpening assembly 3 to process the tool 7.

[0096] Reference Figure 3 and Figure 4The laser sharpening assembly 3 includes an imaging system 31, a deflection scanning system 32 and a focusing system 33; the imaging system 31 is installed at one end of the light pipe 223 close to the tool clamping device 4, the deflection scanning system 32 is installed on the side of the imaging system 31 away from the light pipe 223, and the focusing system 33 is installed on the lower surface of the deflection scanning system 32, and the focusing system 33 is directly above the tool clamping device 4, so that the laser can be vertically focused downward to process the tool 7. The laser enters the deflection scanning system 32 through the light pipe 223, deflects and enters the focusing system 33, and then reaches the surface of the tool 7 through the focusing system 33 to process the tool 7. The imaging system 31 is composed of an imaging objective lens and a camera. The visible light reflected on the surface of the workpiece passes through the focusing system 32 and the deflection system 33 and enters the imaging system 31 to form an image for display, which is convenient for observing the processing status of the workpiece surface. The deflection scanning system 32 usually contains two lenses inside, and the motion trajectory of the laser beam in the plane can be controlled by the deflection of the two lenses. The deflection scanning system 32 uses a galvanometer to achieve the purpose of controlling the laser movement. The focusing system 33 realizes the focusing of the laser so as to process the tool 7. The focusing system 33 is a field lens that realizes the focusing effect of the laser.

[0097] Reference Figure 1 and Figure 5 The tool clamping device 4 is located below the laser tool sharpening assembly 3. The tool clamping device 4 includes a c-axis self-rotating truncated table 41, a moving y-axis translation table 42, and a moving x-axis translation table 43; the tool 7 is mounted on the c-axis self-rotating truncated table 41, the c-axis self-rotating truncated table 41 is mounted on the moving y-axis translation table 42, the moving y-axis translation table 42 is mounted on the moving x-axis translation table 43, and the moving directions of the moving y-axis translation table 42 and the moving x-axis translation table 43 are perpendicular to each other, and then cooperate with the c-axis self-rotating truncated table 41 to control the tool 7 to move in four directions in the plane and rotate itself, so that it is more convenient for the laser tool sharpening assembly 3 to process the tool 7 from all directions.

[0098] Reference Figure 4 The c-axis rotating table 41 includes a c-axis reduction motor 411 with an output shaft vertically arranged upward and a cylinder 412 fixedly connected to the output shaft of the c-axis reduction motor 411. A knife clamping assembly 44 is provided at the upper end of the cylinder 412. The knife clamping assembly 44 clamps and fixes the tool 7 to be processed. The c-axis reduction motor 411 drives the cylinder 412 to rotate along its own axis. The knife clamping assembly 44 is installed on the cylinder 412. Therefore, the knife clamping assembly 44 rotates with the cylinder 412, thereby driving the rotation of the tool 7, which is convenient for the laser sharpening assembly 3 to process the tool 7.

[0099] Reference Figure 6 and Figure 7The knife clamping assembly 44 includes a cylinder 441 vertically arranged at the inner axis of the cylinder 412 and a fixed plate 442 bolted to the upper end of the cylinder 412, a support cylinder 443 is fixedly connected to the fixed plate 442, and a collet 444 is fixedly connected to the upper end of the support cylinder 443. The collet 444 is composed of four arc-shaped plates evenly distributed around the axis of the support cylinder 443, and the collet 444 is made of spring steel, so that the collet 444 has elasticity; the telescopic rod of the cylinder 441 extends into the interior of the cylinder 412, and the end of the telescopic rod of the cylinder 441 is fixedly connected to a core shaft 445, and the core shaft 445 is conical, so that the core shaft 445 forms a The shape is wide at the top and narrow at the bottom; when the tool clamping assembly 44 clamps the tool 7, the material guide device 5 conveys the tool 7 and puts it on the collet 444, and then the cylinder 441 drives the core shaft 445 to move downward, and the core shaft 445 moves downward to open the collet 444 from the inside, and the center hole of the tool 7 is fixed by the force in the normal direction, thereby completing the clamping of the tool 7. After the processing of the tool 7 is completed, the telescopic rod of the cylinder 441 is extended to make the core shaft 445 move upward, so that the core shaft 445 no longer applies force to the inner wall of the collet 444, and the collet 444 recovers under the action of its own elastic force, thereby not fixing the tool 7, and facilitating the removal of the tool 7.

[0100] Reference Figure 5 The motion x-axis translation stage 43 includes a motion x-direction support plate 431 and a motion x-direction slide rail 432 fixedly connected to both sides of the motion x-direction support plate 431 in the length direction; the length direction of the motion x-direction slide rail 432 is the same as the length direction of the motion x-direction support plate 431; the motion x-direction slide rail 432 is provided with a motion x-direction moving block 433, and the motion x-direction moving block 433 and the motion x-direction slide rail 432 cooperate with each other, so that the motion x-direction moving block 433 reciprocates on the motion x-direction slide rail 432. One end of the motion x-direction support plate 431 is fixedly connected to the motion x-direction motor 434, and the output shaft of the motion x-direction motor 434 is fixedly connected to the motion x-direction lead screw 435. The two ends of the motion x-direction lead screw 435 are also provided with bearings 436, which are sleeved on the two ends of the motion x-direction lead screw 435, and the inner ring of the bearing 436 is fixedly connected to the motion x-direction lead screw 435, so that the motion x-direction motor 434 can drive the motion x-direction lead screw 435 to rotate along its own axis. The motion x-direction lead screw 435 passes through the motion x-direction moving block 433, and the motion x-direction lead screw 435 and the motion x-direction moving block 433 are threadedly matched, so that the motion x-direction lead screw 435 can drive the motion x-direction moving block 433 to realize the process of reciprocating motion.

[0101] Reference Figure 5The motion y-axis translation stage 42 includes a motion y-direction support plate 421 bolted to a motion x-direction moving block 433 and two motion y-direction slide rails 422 fixedly connected to the motion y-direction support plate 421. The two motion y-direction slide rails 422 are arranged on both sides of the motion y-direction support plate 421, and the motion y-direction slide rails 422 and the motion y-direction support plate 421 have the same length direction. The motion y-direction moving block 423 is arranged on the motion y-direction slide rail 422, and the motion y-direction moving block 423 can reciprocate along the motion y-direction slide rail 422. One end of the motion y-direction support plate 421 is fixedly connected to the motion y-direction motor 424, and the output shaft of the motion y-direction motor 424 is fixedly connected to the motion y-direction lead screw 425, and the two ends of the motion y-direction lead screw 425 are also sleeved with bearings 436, and the inner ring of the bearing 436 is fixedly connected to the motion y-direction lead screw 425, and the motion y-direction lead screw 425 passes through the motion y-direction moving block 423, and the motion y-direction lead screw 425 and the motion y-direction moving block 423 are threadedly matched, so the motion y-direction motor 424 can drive the motion y-direction moving block 423 to reciprocate along the motion y-direction lead screw 425. The c-direction reduction motor 411 is installed on the motion y-direction moving block 423, so the motion y-direction moving block 423 drives the c-direction reduction motor 411 to move together.

[0102] Reference Figure 8 A sealing assembly 45 is provided on both sides of the length direction of the moving block 423 in the y direction and the moving block 433 in the x direction. The sealing assembly 45 includes three door-shaped slides 451 arranged in sequence and a card plate 452 fixedly connected to the lower end of the slide 451. The sizes of the three slides 451 arranged in sequence decrease in sequence, so that the slides 451 are overlapped in a stepped manner, and the inner and outer walls of the card plates 452 on the three slides 451 fit each other, so that the three slides 451 can only slide along their own length direction but cannot be separated laterally. The three slides 451 are fixedly connected close to the motion y-direction moving block 423 (motion x-direction moving block 433) and the motion y-direction moving block 423 (motion x-direction moving block 433), and one end away from the motion y-direction moving block 423 (motion x-direction moving block 433) is fixedly connected with a baffle 453, so that the sealing assembly 45 blocks the motion y-direction lead screw 425, the motion y-direction motor 424, the motion x-direction motor 434 and the motion x-direction lead screw 435 to prevent external debris from affecting the movement of the motion y-direction lead screw 425 and the motion x-direction lead screw 435.

[0103] Reference Figure 1 and Fig. 9The material guide device 5 is located between the knife clamping device 4 and the material storage device 6. The material guide device 5 includes a bracket 51, a truss x-axis moving mechanism 52 installed on the bracket 51, a truss z-axis moving mechanism 53 installed on the truss x-axis moving mechanism 52, and a material grabbing mechanism 54 installed on the truss z-axis moving mechanism 53; the bracket 51 is installed on the shock-absorbing platform 11, the truss x-axis moving mechanism 52 realizes horizontal movement, the truss z-axis moving mechanism 53 realizes vertical movement, and the material grabbing mechanism 54 can clamp the tool 7 stored in the material storage device 6. The truss x-axis moving mechanism 52 drives the material grabbing mechanism 54 to reciprocate in the vertical direction; the truss z-axis moving mechanism 53 drives the material grabbing mechanism 54 to reciprocate in the horizontal direction, so that the material grabbing mechanism 54 grabs the tool 7 on the material storage device 6, and then accurately moves to the knife clamping assembly 44, and the material grabbing mechanism 54 puts the tool 7 on the collet 444.

[0104] Reference Fig. 9 and Fig.10 The truss x-axis moving mechanism 52 includes a truss x-direction support 521 and two truss x-direction slide rails 522 fixedly connected to the truss x-direction support 521, and also includes a truss x-direction moving block 523 matched with the truss x-direction slide rails 522. The truss x-direction slide rails 522 and the truss x-direction support 521 have the same length direction, and a truss x-direction lead screw 524 is further provided between the two truss x-direction slide rails 522, and the length direction of the truss x-direction lead screw 524 is the same as the length direction of the truss x-direction support 521. The truss x-direction lead screw 524 passes through the truss x-direction moving block 523, and the truss x-direction lead screw 524 and the truss x-direction moving block 523 are threadedly matched, and the two ends of the truss x-direction support member 521 are respectively fixedly connected with the truss x-direction support block 525 and the truss x-direction motor 526, one end of the truss x-direction lead screw 524 is rotatably connected to the truss x-direction support block 525, and one end of the truss x-direction lead screw 524 is fixedly connected to the output shaft of the truss x-direction motor 526, so that the truss x-direction motor 526 drives the truss x-direction lead screw 524 to rotate along its own axis; thereby making the truss x-direction moving block 523 reciprocate along the axial direction of the truss x-direction lead screw 524.

[0105] Reference Fig. 9 and Fig.11The truss z-axis moving mechanism 53 includes a truss z-axis support member 531 connected to the truss x-axis moving block 523 and a truss z-axis slide rail 532 fixedly connected to the truss z-axis support member 531; the length directions of the truss z-axis support member 531 and the truss z-axis slide rail 532 are the same; both ends of the truss z-axis support member 531 are fixedly connected to a truss z-axis support plate 533, and a truss z-axis lead screw 534 is provided between the two truss z-axis support plates 533. The two ends of the truss z-direction lead screw 534 are respectively rotatably connected to the two truss z-direction support plates 533, and the truss z-direction lead screw 534 can rotate along its own axis; a truss z-direction motor 535 is fixedly connected vertically downward to the truss z-direction support plate 533 at the upper end of the truss z-direction support member 531, and the output shaft of the truss z-direction motor 535 is fixedly connected to the truss z-direction lead screw 534, so that the truss z-direction motor 535 can drive the truss z-direction lead screw 534 to rotate.

[0106] Reference Fig.10 and Fig.11 A truss z-direction slider 536 is sleeved on the truss z-direction lead screw 534, and the truss z-direction slider 536 and the truss z-direction lead screw 534 are threadedly matched, and the truss z-direction slide rail 532 and the truss z-direction slider 536 are matched, so that the truss z-direction slider 536 can only move in a straight line but not rotate; the grabbing mechanism 54 is installed on the truss z-axis moving mechanism 53 through the truss z-direction slider 536; the truss z-direction motor 535 drives the truss z-direction lead screw 534 to rotate, and then moves the truss z-direction slider 536, thereby driving the grabbing mechanism 54 to move vertically, making it convenient for the grabbing mechanism 54 to grab or put down the tool 7.

[0107] Reference Fig. 9The material grabbing mechanism 54 includes a support arm 541 bolted to the truss z-axis slider 536 and a motor 542 installed at the lower end of the support arm 541. The lower end of the support arm 541 is inclined toward the direction close to the clamping device 4. The output shaft of the motor 542 extends out of the end of the support arm 541, and a rotating plate 543 is fixedly connected to the output shaft of the motor 542. The two ends of the rotating plate 543 are bent toward the direction close to the support arm 541 to form an arc; pneumatic fingers 544 are fixedly connected to the two bent parts of the rotating plate 543, and the pneumatic fingers 544 are located on the surface of the rotating plate 543 away from the support arm 541. When the tool 7 is just being processed, the truss x-axis moving mechanism 52 drives the truss z-axis moving mechanism 53 and the material grabbing mechanism 54 to move to the top of the storage device 6, and the truss z-axis moving mechanism 53 drives the support arm 541 to descend, and one of the two pneumatic fingers 544 clamps the tool 7 placed on the storage device 6, and then the motor 542 drives the rotating plate 543 to rotate, so that the two pneumatic fingers 544 exchange their positions, and the other pneumatic finger 544 clamps another tool 7. After the two pneumatic fingers 544 have clamped the tool 7, the truss z-axis moving mechanism drives the material grabbing mechanism 54 to rise, and the truss x-axis moving mechanism 52 drives the material grabbing mechanism 54 to move to the tool clamping device 4. After the material grabbing mechanism 54 moves to the tool clamping device 4, a tool 7 is first placed on the tool clamping device 4, and the laser sharpening assembly 3 processes the tool 7. After the tool 7 is processed, the pneumatic finger 544 removes the tool 7, and the motor 542 drives the rotating plate 543 to rotate, so that the two pneumatic fingers 544 exchange positions, and the unprocessed tool 7 is placed on the tool clamping device 4 , the laser sharpening assembly 3 processes the tool 7 again, and the grabbing mechanism 54 returns to the material storage device 6 under the drive of the truss z-axis moving mechanism 53 and the truss x-axis moving mechanism 52, and the pneumatic finger 544 puts down the processed tool 7 and clamps the new tool 7, and the grabbing mechanism 54 returns to the tool clamping device 4, and the pneumatic finger 544 that does not clamp the tool 7 takes down the processed tool 7, and the two pneumatic fingers 544 exchange positions and place the new tool 7 on the tool clamping device 4, and then repeat the above steps to complete the continuous loading and unloading work.

[0108] Reference Figure 1 and Fig.12The material storage device 6 is located at one end of the truss x-axis moving mechanism 52 away from the knife clamping device 4. The material storage device 6 includes a material storage tray 61 and two truss y-axis moving mechanisms 62 that drive the material storage tray 61 to move; the material storage tray 61 includes a moving plate 611 and a material discharge plate 612 installed on the upper surface of the moving plate 611, and a plurality of evenly distributed material discharge holes 613 are opened on the material discharge plate 612. The tool 7 is vertically placed in the material discharge hole 613, and the upper end of the tool 7 protrudes from the upper surface of the material discharge hole 613, so that the pneumatic finger 544 can clamp the tool 7 conveniently. The tool 7 to be processed is placed on the discharge plate 612, and the movable plate 611 can move under the drive of the truss y-axis moving mechanism 62, thereby driving the discharge plate 612 to move, so that the tool 7 can be driven to move. The truss x-axis moving mechanism 52 and the truss z-axis moving mechanism 53 can only drive the grabbing mechanism 54 to move along the x-axis and z-axis directions, while the truss y-axis moving mechanism 62 can drive the discharge plate 612 to move along the y-axis direction. Therefore, the truss x-axis moving mechanism 52, the truss z-axis moving mechanism 53 and the truss y-axis moving mechanism 62 realize three-dimensional movement, which is convenient for the pneumatic finger 544 to clamp the tool 7 to be processed on the discharge plate 612.

[0109] Reference Fig.12 Three abutment plates 614 are arranged around the material discharge plate 612, and the abutment plates 614 are respectively fitted with the three side walls of the material discharge plate 612, and the material discharge plate 612 is bolted to the movable plate 611, so as to facilitate the replacement of material discharge plates 612 of different sizes, thereby enabling the storage device 6 to store different numbers of tools 7.

[0110] Reference Fig.12 and Fig.13The truss y-axis moving mechanism 62 includes a truss y-axis support 621 fixedly connected to the workbench 1 and two truss y-axis slide rails 622 fixedly connected to the truss y-axis support 621; a truss y-axis slider 623 cooperating with the truss y-axis slide rail 622 is provided on the truss y-axis support 621; a driving motor 624 is provided at one end of one of the truss y-axis supports 621, and a truss y-axis lead screw 625 is provided on the truss y-axis support 621 provided with the driving motor 624, the truss y-axis lead screw 625 and the truss y-axis slider 623 are threadedly matched, and both ends of the truss y-axis support 621 are fixedly connected with rectangular plates 626, and the two ends of the truss y-axis lead screw 625 are respectively rotatably connected to the two rectangular plates 626, so that the truss y-axis lead screw 625 rotates along its own axis. One end of the truss y-axis screw 625 near the driving motor 624 protrudes from the side wall of the rectangular plate 626, and a pulley 627 is fixedly connected to the protruding end of the truss y-axis screw 625 and the output shaft of the driving motor 624, and a belt 628 is sleeved on the two pulleys 627 to link the two, so the driving motor 624 drives the truss y-axis screw 625 to rotate, thereby driving the truss y-axis slider 623 to move, and the moving plate 611 is installed on the truss y-axis slider 623, so the unloading plate 612 can move back and forth along the truss y-axis. The movement of the unloading plate 612 controls the movement of the tool 7, which facilitates the material grabbing mechanism 54 to place and grab the tool 7 in sequence.

[0111] The implementation principle of a laser tool sharpening device in the embodiment of the present application is as follows: first, the tool 7 to be processed is loaded into the discharge hole 613 on the discharge plate 612, and then the discharge plate 612 is installed on the moving plate 611, and the truss Y-axis moving mechanism 62 drives the moving plate 611 to move to the initial position, and then the tool sharpening device is started, and the truss X-axis moving mechanism 52 and the truss Z-axis moving mechanism 53 drive the grabbing mechanism 54 to move to the storage device 6, and then the two pneumatic fingers 544 in the grabbing mechanism 54 clamp the tool 7 in turn ... the truss X-axis moving mechanism 52 and the moving mechanism 53 in the truss Z-axis moving mechanism 53 drive the grabbing mechanism 54 to move to the storage device 6. The truss moves to the tool clamping device 4 under the drive of the z-axis moving structure, and then one of the two pneumatic fingers 544 places the tool 7 on the tool clamping assembly 44, and then the tool clamping assembly 44 fixes the tool 7. At this time, the laser sharpening assembly 3 processes the tool 7 with the cooperation of the b-axis rotation mechanism 22 and the motion z-axis moving mechanism 21, and during the processing, the motion y-axis translation table 42, the motion x-axis translation table 43 and the c-axis rotation table cooperate with each other to control the movement of the tool clamping assembly 44 and the laser sharpening assembly 3 at the same time, so as to process the tool 7 from multiple angles. After the tool 7 is processed, the tool clamping assembly 44 is relaxed and no longer fixes the tool 7. At this time, the pneumatic finger 544 that is not clamping the tool 7 will clamp the processed tool 7, and then the two pneumatic fingers 544 exchange positions, and the other pneumatic finger 544 places the unprocessed tool 7 on the tool clamping assembly 44. The tool clamping assembly 44 fixes and clamps the tool 7, and the laser sharpening assembly 3 processes and cuts the new tool 7. At this time, the material grabbing structure moves to the material storage device 6 under the drive of the truss x-axis moving mechanism 52, and the truss z-axis moving mechanism 53 controls the support arm 541 to descend, puts the processed tool 7 back to its original position, and then clamps the new tool 7, and the material grabbing mechanism 54 returns to the tool clamping device 4 again. At this time, the processing of tool 7 is completed, the pneumatic finger 544 removes the tool 7, the two pneumatic fingers 544 exchange positions, and the new tool 7 is installed on the tool clamping assembly 44, and the grasping mechanism 54 returns to the storage device 6 to put back the processed tool 7 and clamp the new tool 7 to be processed, and so on and so forth to realize the automatic replacement of tool 7, and when a row of tools 7 on the discharge plate 612 is processed, the discharge plate 612 moves under the drive of the truss y-axis moving mechanism 62, so that the grasping mechanism 54 clamps a new row of tools 7, and so on until the processing of tools 7 on the discharge plate 612 is completed, and then the discharge plate 612 filled with new tools 7 can be replaced.

[0112] The driving methods of the driving device 2, the laser sharpening assembly 3, the tool clamping device 4, the material guiding device 5 and the material storage device 6 include but are not limited to the above-mentioned driving methods, wherein the linear driving method can also be driven by a cylinder, a hydraulic cylinder or an electric push rod, a motor direct drive, etc., and the rotating axis can also be directly driven by a motor.

[0113] The present application also discloses a laser sharpening method. Figure 14-1 to Figure 14-4 , the laser grinding method comprises the following steps:

[0114] S1. Loading: Install the tools 7 to be processed on the discharge plate 612, and make one end of the tool 7 protrude from the upper surface of the discharge plate 612. Then install the discharge plate 612 on the movable plate 611. The truss y-axis moving mechanism drives the discharge plate 612 to move to a position convenient for the grabbing mechanism 54 to grab.

[0115] S2. Select: The laser filling type has Figure 14-1 To Figure 14-4 Four types of filling are selected according to the material of the tool 7 and the contour of the tool 7, and the optimal filling method is selected. When the contour of the tool 7 is concave, only circular filling can be selected.

[0116] S3, processing: before processing, the laser sharpening assembly 3 moves to a suitable position and then stops. During the processing, the tool clamping assembly 44 can move left and right, front and back, and rotate, thereby driving the tool 7 to be in motion all the time, and during this movement, the laser sharpening assembly 3 processes the tool 7; then the laser sharpening assembly 3 processes the tool 7 in the range of -120° to +120°; and during the processing, the laser processes layer by layer from the outermost side to the inner side, and the laser and the contour of the tool 7 are tangent.

[0117] S4, material change: The material grabbing mechanism 54 can automatically change the tool 7, and does not require manual material change. Only manual material loading is required, thereby reducing the existing safety hazards.

[0118] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A laser knife sharpening device, characterized in that: The invention comprises a workbench (1), a driving device (2), a laser sharpening assembly (3), and a knife clamping device (4) arranged on the workbench (1), wherein the laser sharpening assembly (3) is installed on a side wall of one side of the driving device (2), and the laser sharpening assembly (3) is also located above the knife clamping device (4); The laser sharpening assembly (3) comprises an imaging system (31), a deflection scanning system (32) and a focusing system (33); The imaging system (31) is mounted on a side wall of the driving device (2) close to the knife clamping device (4), the deflection system is mounted on a side wall of the imaging system (31) away from the driving device (2), and the focusing system (33) is mounted on a side wall of the deflection system close to the knife clamping device (4); the workbench (1) is also provided with a material storage device (6) and a material guide device (5), the material storage device (6) is located on one side of the knife clamping device (4), and the material guide device (5) is located between the material storage device (6) and the knife clamping device (4); The material guiding device (5) comprises a truss x-axis moving mechanism (52) installed on the workbench (1) and a truss z-axis moving mechanism (53) installed on the truss x-axis moving mechanism (52), and a material grabbing mechanism (54) is installed on the truss z-axis moving mechanism (53); The material storage device (6) comprises a truss y-axis moving mechanism (62) and a material storage tray (61) mounted on the truss y-axis moving mechanism (62), and the truss y-axis moving mechanism (62) drives the material storage tray (61) to move; The truss x-axis moving mechanism (52) drives the material grabbing mechanism (54) to move to the top of the material storage tray (61), and the truss z-axis moving mechanism (53) drives the material grabbing mechanism (54) to descend so as to clamp the tool (7) on the material storage tray (61); The truss x-axis moving mechanism (52) comprises a truss x-direction support member (521) and a truss x-direction lead screw (524), and the truss x-direction lead screw and the truss x-direction support member (521) have the same length direction; A truss x-direction support block (525) and a truss x-direction motor (526) are respectively provided at both ends of the truss x-direction lead screw (524); one end of the truss x-direction lead screw (524) is rotatably connected to the truss x-direction support block (525), and the other end of the truss x-direction lead screw (524) is fixedly connected to the output shaft of the truss x-direction motor (526); A truss x-direction slider is sleeved on the truss x-direction lead screw (524), and the truss x-direction slider and the truss x-direction lead screw (524) are threadedly matched, and a truss x-direction slide rail (522) matched with the truss x-direction slider is also fixedly connected to the truss x-direction support member (521); The truss x-direction slide rail (522) and the truss x-direction support member (521) have the same length direction, and the truss x-direction slide rail (522) limits the truss x-direction slider, so that the truss x-direction slider can only reciprocate along the truss x-direction slide rail (522) but cannot rotate; The truss z-axis moving mechanism (53) comprises a truss z-direction support member (531) and a truss z-direction lead screw (534), the truss z-direction lead screw and the truss z-direction support member (531) have the same length direction, and the truss z-direction support member (531) is installed on the truss x-direction slider; A truss z-direction support block and a truss z-direction motor (535) are respectively provided at both ends of the truss z-direction lead screw (534); one end of the truss z-direction lead screw (534) is rotatably connected to the truss z-direction support block, and the other end of the truss z-direction lead screw (534) is fixedly connected to the output shaft of the truss z-direction motor (535); A truss z-direction slider (536) is sleeved on the truss z-direction lead screw (534), and the truss z-direction slider (536) and the truss z-direction lead screw (534) are threadedly matched, and a truss z-direction slide rail (532) matched with the truss z-direction slider (536) is also fixedly connected to the truss z-direction support member (531); The truss z-direction slide rail (532) and the truss z-direction support member (531) have the same length direction, and the truss z-direction slide rail (532) limits the truss z-direction slider (536), so that the truss z-direction slider (536) can only reciprocate along the truss z-direction slide rail (532) but cannot rotate; the material grabbing mechanism (54) is installed on the truss z-direction slider (536); The truss Y-axis moving mechanism (62) comprises two truss Y-direction supporting members (621) fixedly connected to the workbench (1) and a truss Y-direction lead screw (625) arranged on one of the truss Y-direction supporting members (621), wherein the truss Y-direction lead screw and the truss Y-direction supporting member (621) have the same length direction; Both ends of the truss y-direction support member (621) are fixedly connected with rectangular plates (626), and both ends of the truss y-direction lead screw (625) are rotatably connected to the two rectangular plates (626) respectively, and one end of the truss y-direction lead screw (625) is also provided with a driving motor (624) for driving the truss y-direction lead screw (625) to rotate; A truss y-direction slider (623) is sleeved on the truss y-direction lead screw (625), and the truss y-direction slider (623) and the truss y-direction lead screw (625) are threadedly matched, and a truss y-direction slide rail (622) matched with the truss y-direction slider (623) is also fixedly connected to the truss y-direction support member (621); The truss y-direction slide rail (622) and the truss y-direction support member (621) have the same length direction, and the truss y-direction slide rail (622) limits the truss y-direction slider (623), so that the truss y-direction slider (623) can only reciprocate along the truss y-direction slide rail (622) but cannot rotate; the material storage tray (61) is installed on the truss y-direction slider (623); The material storage tray (61) comprises a movable plate (611) mounted on a truss Y-direction slider (623) and a material discharge plate (612) disposed on the movable plate (611), wherein a plurality of material discharge holes (613) for accommodating cutting tools (7) are evenly arranged on the material discharge plate (612); The driving device (2) comprises a z-axis moving mechanism (21) and a b-axis rotation mechanism (22) mounted on the z-axis moving mechanism (21), and the laser sharpening assembly (3) is mounted on the b-axis rotation mechanism (22); The z-axis moving mechanism (21) drives the b-axis rotation mechanism (22) to move up and down, and the b-axis rotation mechanism (22) drives the laser sharpening assembly (3) to rotate; The moving z-axis moving mechanism (21) comprises a support frame (211) bolted to the shock absorbing platform (11) and two moving z-direction slide rails (216) fixedly connected to the support frame (211); Two moving z-direction slide rails (216) are vertically arranged, and a guide groove (212) is also provided between the two moving z-direction slide rails (216). A moving z-direction lead screw (213) is provided in the guide groove (212). The two ends of the moving z-direction lead screw (213) are respectively rotatably connected to the two end surfaces of the guide groove (212). The upper end of the support frame (211) is fixedly connected to a moving z-direction motor (214) whose output shaft is vertically downward. The output shaft of the moving z-direction motor (214) extends into the guide groove (212) and is fixedly connected to the moving z-direction lead screw (213). The moving z-direction motor (214) drives the moving z-direction lead screw (213) to rotate along its own axis. A moving z-direction moving block (215) threadedly matched with the moving z-direction lead screw (213) is provided in the guide groove (212); one side of the moving z-direction moving block (215) protrudes from the guide groove (212); and limiting blocks (217) are integrally formed on both sides of the protruding end of the moving z-direction moving block (215); the limiting blocks (217) and the moving z-direction slide rail (216) cooperate with each other so that the moving z-direction moving block (215) can only reciprocate along the moving z-direction lead screw (213); and the laser sharpening assembly (3) is mounted on the moving z-direction moving block (215).

2. The laser knife sharpening device according to claim 1, characterized in that: The b-axis self-rotation mechanism (22) comprises a mounting plate (221) bolted to the z-direction moving block (215) and a b-direction reduction motor (222) bolted to the mounting plate (221); A light pipe (223) penetrating the output shaft of the b-direction reduction motor (222) is fixedly connected to the output shaft of the b-direction reduction motor (222), and the light pipe (223) also penetrates the mounting plate (221). The laser sharpening assembly (3) is mounted on one end of the light pipe (223) close to the knife clamping device (4).

3. The laser knife sharpening device according to claim 1, characterized in that: The tool clamping device (4) comprises a moving x-axis translation stage (43) mounted on the workbench (1), a moving y-axis translation stage (42) mounted on the moving x-axis translation stage (43), a c-axis self-rotating truncated table (41) mounted on the moving y-axis translation stage (42), and a tool clamping assembly (44) mounted on the c-axis self-rotating truncated table (41); The motion x-axis translation stage (43) comprises a motion x-axis support plate (431) and bearings (436) fixedly connected to both ends of the motion x-axis support plate, a motion x-axis lead screw (435) is arranged between the two bearings (436), both ends of the motion x-axis lead screw (435) are respectively fixedly connected to the inner rings of the two bearings (436), one end of the motion x-axis support plate (431) is fixedly connected to a motion x-axis motor (434), and an output shaft of the motion x-axis motor (434) and the motion x-axis lead screw (435) are fixedly connected to drive the motion x-axis lead screw (435) to rotate; A moving x-direction moving block (433) is sleeved on the moving x-direction lead screw (435), and the moving x-direction moving block (433) and the moving x-direction lead screw (435) are threadedly matched, and two symmetrically arranged moving x-direction slide rails (432) are fixedly connected to the moving x-direction support plate (431), and the moving x-direction slide rails (432) and the moving x-direction support plate (431) have the same length direction, and the moving x-direction move block (433) and the moving x-direction slide rails (432) are matched, so that the moving x-direction moving block (433) can only reciprocate along the moving x-direction slide rails (432); The motion y-axis translation stage (42) comprises a motion y-direction support plate (421) and bearings (436) fixedly connected to both ends of the motion y-direction support plate, a motion y-direction lead screw (425) is arranged between the two bearings (436), both ends of the motion y-direction lead screw (425) are respectively fixedly connected to the inner rings of the two bearings (436), one end of the motion y-direction support plate (421) is fixedly connected to a motion y-direction motor (424), the output shaft of the motion y-direction motor (424) and the motion y-direction lead screw (425) are fixedly connected to drive the motion y-direction lead screw (425) to rotate, and the motion y-direction support plate (421) is mounted on a motion x-direction moving block (433); A moving Y-direction moving block (423) is sleeved on the moving Y-direction lead screw (425), and the moving Y-direction moving block (423) and the moving Y-direction lead screw (425) are threadedly matched. Two symmetrically arranged moving Y-direction slide rails (422) are fixedly connected to the moving Y-direction support plate (421). The moving Y-direction slide rails (422) and the moving Y-direction support plate (421) have the same length direction. The moving Y-direction mover and the moving Y-direction slide rails (422) are matched so that the moving Y-direction moving block (423) can only reciprocate along the moving Y-direction slide rails (422). The C-axis rotating table (41) is mounted on the moving Y-direction moving block (423).

4. The laser knife sharpening device according to claim 3, characterized in that: Sealing components (45) are provided on both sides of the moving block (423) in the y-direction and the moving block (433) in the x-direction in the length direction; The sealing component (45) comprises three door-shaped slide plates (451) arranged in a stepped manner, the three slide plates (451) are overlapped in sequence, the slide plate (451) at one end of the sealing component (45) is fixedly connected to the moving block (423) in the Y direction or the moving block (433) in the X direction, and the slide plate (451) at the other end of the sealing component (45) is fixedly connected to a baffle plate (453), and the baffle plate (453) is bolted to the moving support plate (421) in the X direction or the moving support plate (421).

5. The laser knife sharpening device according to claim 3, characterized in that: A cylinder (412) vertically arranged on the c-axis rotating table (41) and a c-axis reduction motor (411) for driving the cylinder (412) to rotate; The knife clamping assembly (44) comprises a cylinder (441) fixedly connected to the inside of the cylinder (412) and a fixing plate (442) bolted to the upper end of the cylinder (412), and a supporting cylinder (443) is fixedly connected to the fixing plate (442); The upper end of the support tube (443) is fixedly connected with a collet (444), and the collet (444) is composed of four elastic plates evenly distributed around the axis of the support tube (443). The telescopic rod of the cylinder (441) extends into the collet (444), and a core shaft (445) is fixedly connected to the telescopic rod of the cylinder (441), and the upper end of the core shaft (445) protrudes from the collet (444). The core shaft (445) is conical, so that the collet (444) is in a shape with a larger upper end and a smaller lower end.

6. The laser knife sharpening device according to claim 1, characterized in that: The truss x-axis moving mechanism (52) comprises a truss x-direction support member (521) and a truss x-direction lead screw (524), and the truss x-direction lead screw and the truss x-direction support member (521) have the same length direction; A truss x-direction support block (525) and a truss x-direction motor (526) are respectively provided at both ends of the truss x-direction lead screw (524); one end of the truss x-direction lead screw (524) is rotatably connected to the truss x-direction support block (525), and the other end of the truss x-direction lead screw (524) is fixedly connected to the output shaft of the truss x-direction motor (526); A truss x-direction slider is sleeved on the truss x-direction lead screw (524), and the truss x-direction slider and the truss x-direction lead screw (524) are threadedly matched, and a truss x-direction slide rail (522) matched with the truss x-direction slider is also fixedly connected to the truss x-direction support member (521); The truss x-direction slide rail (522) and the truss x-direction support member (521) have the same length direction, and the truss x-direction slide rail (522) limits the truss x-direction slider, so that the truss x-direction slider can only reciprocate along the truss x-direction slide rail (522) but cannot rotate; The truss z-axis moving mechanism (53) comprises a truss z-direction support member (531) and a truss z-direction lead screw (534), the truss z-direction lead screw and the truss z-direction support member (531) have the same length direction, and the truss z-direction support member (531) is installed on the truss x-direction slider; A truss z-direction support block and a truss z-direction motor (535) are respectively provided at both ends of the truss z-direction lead screw (534); one end of the truss z-direction lead screw (534) is rotatably connected to the truss z-direction support block, and the other end of the truss z-direction lead screw (534) is fixedly connected to the output shaft of the truss z-direction motor (535); A truss z-direction slider (536) is sleeved on the truss z-direction lead screw (534), and the truss z-direction slider (536) and the truss z-direction lead screw (534) are threadedly matched, and a truss z-direction slide rail (532) matched with the truss z-direction slider (536) is also fixedly connected to the truss z-direction support member (531); The truss z-direction slide rail (532) and the truss z-direction support member (531) have the same length direction, and the truss z-direction slide rail (532) limits the truss z-direction slider (536) so that the truss z-direction slider (536) can only reciprocate along the truss z-direction slide rail (532) but cannot rotate; the material grabbing mechanism (54) is installed on the truss z-direction slider (536).

7. The laser knife sharpening device according to claim 6, characterized in that: The material grabbing mechanism (54) comprises a support arm (541) mounted on a truss z-direction slider (536) and two pneumatic fingers (544) arranged at the lower end of the support arm (541); The lower end of the support arm (541) is bent in a direction close to the knife clamping device (4), and a motor (542) is fixedly connected inside the support arm (541), an output shaft of the motor (542) protrudes from the lower end of the support arm (541), and a rotating plate (543) is fixedly connected to the protruding output shaft of the motor (542); The two ends of the rotating plate (543) are bent in an arc shape in a direction close to the support arm (541), and two pneumatic fingers (544) are installed at the two ends of the rotating plate (543), and the pneumatic fingers (544) are located on the side of the rotating plate (543) away from the support arm (541).

8. A laser tool sharpening method, applied to the laser tool sharpening device according to any one of claims 1 to 7, characterized in that: The following steps are involved: S1, loading: installing the cutters (7) on the unloading plate (612), and then installing the unloading plate (612) on the moving plate (611); S2, selection: selecting the laser filling type according to the material of the tool (7) and the contour of the tool (7); S3, processing: during the processing, the tool (7) is always in motion, and the laser processes the moving tool (7); the laser sharpening assembly (3) processes the tool (7) in the range of -120° to +120°; and during the processing, the laser processes layer by layer from the outermost side to the inner side, and the laser and the tool (7) contour reach a state of at least being tangent to each other; S4, material change: the material grabbing mechanism (54) can automatically change the tool (7), and no manual material change is required.

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