Accurate cutter sharpening device, method and system for multi-blade asymmetric cutting edge cutter

Abstract

The invention discloses a precise cutter sharpening device, method and system for a multi-blade asymmetric cutting edge cutter. The precise cutter sharpening device comprises a cutter conveying and preprocessing module, a cutter clamp, a cutter asymmetric cutting edge rough machining module and a cutter asymmetric cutting edge finish machining module. According to the method, the asymmetric cutting edge, needing to be ground, of the cutting edge part of the cutter is marked through a specific device, precise machining of the asymmetric cutting edge is achieved through mark recognition, rough machining and finish machining conversion and cutting edge measurement based on cutter grinding track inversion, and the cutter grinding quality and cutter grinding precision of the asymmetric cutting edge are improved.

Description

Technical Field

[0001] The invention relates to a sharpening system, in particular to a precise sharpening device, method and system for a multi-blade asymmetric cutting edge tool. Background Art

[0002] Compared with tools with symmetrical edges, tools with asymmetric edges have the advantages of less cutting force during cutting, better cutting stability, and longer tool life. At the same time, they can improve the tool's ability to discharge chips during cutting and show excellent performance during the cutting process. However, ordinary grinding devices can only process symmetrical edges and cannot grind asymmetric edges. Current multi-edge grinding and asymmetric edge grinding devices are difficult to meet the needs of grinding a variety of asymmetric edges and precise adjustment and control during the grinding process. Therefore, it is necessary to design a device to achieve precise grinding of asymmetric edges of multi-edge tools. Summary of the invention

[0003] In order to solve the defects of the above-mentioned prior art, the present invention provides a precision grinding device, method and system for multi-blade asymmetric cutting edge tools. The present invention uses a specific device to mark the asymmetric cutting edge that needs to be ground at the cutting edge of the tool, and realizes precise processing of the asymmetric cutting edge through identification marks, rough and fine processing conversion, and cutting edge measurement based on grinding trajectory inversion, thereby improving the grinding quality and grinding accuracy of the asymmetric cutting edge.

[0004] In order to achieve the above technical objectives, the present invention adopts the following technical solution: a precision grinding device for a multi-blade asymmetric cutting edge tool, comprising:

[0005] A tool transport and preprocessing module, comprising a conveyor belt and a preprocessing device, wherein the conveyor belt is used to transport the tool, and the preprocessing device is used to mark the ideal cutting edge shape of the tool;

[0006] A tool fixture is placed in the inner circular hole of the tool asymmetric cutting edge rough machining module for fixing the tool;

[0007] A tool asymmetric cutting edge roughing module is located on one side of the conveyor belt, and includes a tool magnetic feeding device, a roughing sharpening device, and a roughing platform push rod device. The tool magnetic feeding device is used to transfer the tool on the conveyor belt to the tool fixture. The roughing sharpening device is used to perform roughing on the tool on the tool fixture. The roughing platform push rod device is used to raise or lower the roughing table.

[0008] The tool asymmetric cutting edge finishing module is located behind the tool asymmetric cutting edge rough machining module, and includes a moving device and a finishing device. The finishing device has a notch that can accommodate the tool fixture. The moving device is used to move the finishing device above the rough machining device after the rough machining device is lowered, and make the notch accommodate the tool fixture, so that the finishing device can finish the tool located on the tool fixture.

[0009] The tool transport and preprocessing module also includes a tool fixing block, which is energized by an electromagnet to fix itself on the conveyor belt and fix the tool by magnetic attraction; the preprocessing device is fixed on the frame, and when the tool fixing block transports the tool to the position of the preprocessing device, the preprocessing device performs preprocessing operations on the tool.

[0010] The pretreatment device includes a fluorescent agent spraying device, a spraying device guide, and a fluorescent agent storage tank. The fluorescent agent spraying device is connected to the fluorescent agent storage tank through a pipeline. The spraying device guide is used to scan the contour of the tool. The fluorescent agent spraying device is used to mark the part that needs to be sharpened and removed at the tool edge with fluorescent agent.

[0011] The tool fixture comprises a circular ring, a base, three clamping claws, and a blade clamping device; the surface of the circular ring is provided with three arc-shaped long grooves and three straight-line long grooves, the three arc-shaped long grooves are evenly distributed around the circumference, the three straight-line long grooves are evenly distributed around the circumference, the arc-shaped long grooves and the straight-line long grooves are staggered, the arc-shaped long grooves are concentric with the circular ring, and the straight-line long grooves are inclined from the inside to the outside; the surface of the base is provided with three arc-shaped oblique long grooves and three arc-shaped plates, the three arc-shaped oblique long grooves are evenly distributed around the circumference, the three arc-shaped plates are evenly distributed around the circumference, the arc-shaped oblique long grooves and the arc-shaped plates are staggered, the arc-shaped oblique long grooves are inclined from the inside to the outside, and the arc-shaped oblique long grooves are staggered. Three arc plates are inserted in the three arc long grooves; the three claws are evenly distributed around the circumference, a straight plate is provided on one side of the claw, the straight plate is inserted in the straight long groove, and a guide rod is provided on the other side of the claw, the guide rod is inserted in the arc oblique long groove; the blade clamping device is connected to the base, and a push rod motor is built in it, which can push the upper end part in the vertical direction to be flush with the upper end plane of the ring for clamping the blade; micro push rod motors are built in on both sides of the internal groove of the upper end part of the blade clamping device, and the built-in micro push rod motor can control the blade clamping block to move in the internal groove to achieve clamping of the blade.

[0012] The tool fixture also includes a rotating push rod motor group, which includes a rotating push rod motor group located at the lower end and a stepper motor located at the upper end, wherein the rotating push rod motor group controls the overall vertical movement of the tool fixture and the overall rotation of the tool fixture, the upper stepper motor is connected to the top of the push rod of the rotating push rod motor group, a bump is provided at the upper end of the stepper motor, and matches with a groove provided on the bottom surface of the base, and the stepper motor rotates to drive the three claws to shrink toward the center, thereby achieving the clamping of the tool rod.

[0013] The tool asymmetric cutting edge rough machining module also includes a rough machining platform and a rough machining monitoring device, wherein the rough machining grinding device, the tool magnetic feeding device and the rough machining monitoring device are all installed on the rough machining platform; the rough machining grinding device includes a rough machining grinding wheel, a rotating device, a pitch driving device and a forward and backward movement control device, wherein the rotating device is used to control the rotation of the rough machining grinding wheel to perform rough machining and grinding on the tool, the pitch driving device is used to control the pitch angle of the rough machining grinding wheel, and the forward and backward movement control device is used to control the forward and backward position of the rough machining grinding wheel; the tool magnetic feeding device includes a magnetic suction block and a feeding manipulator, wherein the magnetic suction block is used to hold the tool handle of the tool, and the feeding manipulator is used to transfer the tool to the tool fixture; the rough machining platform push rod device is connected to the bottom end of the rough machining platform to raise or lower the rough machining platform; the rough machining monitoring device is used to control the rotational movement, pitch movement and forward and backward movement of the rough machining grinding wheel according to the marking made by the fluorescent agent.

[0014] The finishing device comprises a finishing platform, a finishing sharpening device, a finishing monitoring and guiding device, and a laser processing device; the finishing sharpening device, the finishing monitoring and guiding device, the optical signal acquisition camera, and the laser processing device are all arranged on the finishing platform, and the position of the laser processing device is higher than that of the tool; the finishing platform is provided with the notch; the finishing sharpening device comprises a finishing grinding wheel and a finishing manipulator, the finishing manipulator is used to drive the finishing grinding wheel to perform finishing sharpening of the tool, and, after the finishing sharpening technology, is used to drive the finishing grinding wheel to surround the sharpened tool. The tool has a multi-blade asymmetric cutting edge around one circle; the finishing monitoring and guiding device is used to detect the finishing removal amount of the cutting edge and plan the grinding path for the finishing grinding device, and at the same time send a signal to the laser processing device to guide the laser processing device to perform laser processing on the cutting edge being ground during finishing grinding; the laser processing device is used to perform laser processing on the tool; the moving device includes a rear end push rod device and a finishing moving device, the finishing moving device is installed at the bottom of the finishing platform and is equipped with a pulley, and the rear end push rod device is connected to the finishing moving device for pushing out or pulling back the finishing moving device.

[0015] The tool asymmetric cutting edge finishing module also includes an optical signal acquisition camera and an optical signal transmitter; the optical signal acquisition camera is arranged on the finishing platform, and the optical signal transmitter is arranged on the finishing grinding wheel; the optical signal transmitter is used to send the motion signal of the finishing grinding wheel around the cutting edge to the optical signal acquisition camera to form the motion trajectory of the finishing grinding wheel.

[0016] A precision sharpening method for a multi-edge asymmetric edge tool, comprising:

[0017] Controlling the movement of the conveyor belt, wherein a plurality of tool fixing blocks are placed on the conveyor belt, the tool fixing blocks are fixed on the conveyor belt by magnetic attraction, and the tool fixing blocks are used to fix the tools;

[0018] The spraying device guide instrument is controlled to rotate around the z-axis through the shaft end and the scanning lens on its own moving arm is rotated around the x-axis to scan the tool contour. After receiving the asymmetric edge shape that needs to be sharpened, the fluorescent agent spraying device is controlled to rotate around the z-axis through the shaft end and the fluorescent agent nozzle on its own moving arm is rotated around the x-axis to mark the part that needs to be sharpened and removed at the tool edge with fluorescent agent.

[0019] Acquiring an initial image and a fluorescent marker of the tool, wherein the fluorescent marker is used to indicate a portion of the blade that needs to be removed and an asymmetric edge shape that needs to be formed by sharpening; calculating a volume of the fluorescent marker portion, wherein the volume is used to confirm the progress of roughing sharpening and to determine whether the roughing sharpening needs to be terminated;

[0020] Control the magnetic block of the tool magnetic feeding device of the tool asymmetric cutting edge rough processing module to absorb the tool from the tool fixing block, control the feeding manipulator to transfer the tool to the middle of the three claws of the tool fixture, control the stepper motor to drive the three claws to clamp the tool handle, control the rotary push rod motor to push and rotate the tool fixture to change the height and angle position of the tool for rough processing;

[0021] After the rough machining and sharpening are completed, the residual volume of the fluorescent agent is collected, wherein the residual volume is used to determine the path and sharpening depth of the fine machining and laser processing;

[0022] The rough machining monitoring device of the rough machining module of the tool asymmetric cutting edge is controlled to plan the paths of rotation, pitch and forward and backward movement, and the rotation device, pitch driving device and forward and backward movement control device of the rough machining grinding device are controlled to move according to the paths to drive the rough machining grinding wheel to perform rough machining of the tool; after the rough machining grinding is completed, the rough machining platform push rod device is controlled to move to lower the rough machining platform;

[0023] The rear end push rod device of the tool asymmetric edge finishing module is controlled to move to push the finishing moving device forward to the top of the roughing platform, and the notch of the finishing platform just accommodates the tool fixture; the finishing monitoring and guiding device is controlled to detect the finishing removal amount of the edge, and a specific grinding path is planned for the finishing grinding device, and the finishing grinding device is controlled to perform finishing grinding on the tool edge through the movement of the multi-stage motion pair, wherein the processing monitoring and guiding device is controlled to transmit a signal to the laser processing device while planning the finishing grinding route, and guides the laser processing device to process the edge being ground by laser during the finishing grinding; after the finishing grinding is completed, the finishing grinding wheel of the finishing grinding device is controlled to circle the multi-blade asymmetric edge of the tool that has been ground, and at the same time, the optical signal transmitter transmits a motion signal; the optical signal acquisition camera is controlled to acquire the motion signal of the optical signal transmitter to form a motion trajectory of the finishing grinding wheel, wherein the motion trajectory is used to obtain the shape and size of the asymmetric edge of the tool after grinding in the control system, and can be compared with the expected shape of the asymmetric edge of the tool to judge the grinding quality of the multi-blade asymmetric edge of the tool.

[0024] A precision sharpening system for multi-edge asymmetric edge tools, comprising:

[0025] An image acquisition module is used to acquire an initial image of the tool and a fluorescent agent mark, wherein the fluorescent agent mark is used to indicate the portion of the blade that needs to be removed and to indicate the asymmetric edge shape that needs to be formed by grinding; it is also used to calculate the volume of the fluorescent agent marked portion, wherein the volume is used to confirm the progress of rough machining and grinding, and to determine whether the rough machining and grinding need to be terminated; it is also used to acquire the volume of the residual fluorescent agent portion after the rough machining and grinding are completed, wherein the residual volume is used to determine the path and grinding depth of fine machining and laser processing;

[0026] The control module is used to control the operation of the conveyor belt, stepper motor, rotary push rod motor, rough machining sharpening device, tool magnetic suction feeding device, rough machining platform push rod device, rough machining monitoring device, fine machining sharpening device, fine machining monitoring and guiding device, laser processing device, rear end push rod device, and fine machining moving device.

[0027] In summary, the present invention has achieved the following technical effects:

[0028] This system realizes the precise grinding of multi-blade asymmetric cutting edges of various tools; the expected asymmetric cutting edge shape is specifically determined by precisely spraying fluorescent agent on the tool surface, and after the various tools are clamped for grinding, the rough machining and grinding process is monitored in real time, and the finishing process is quickly and conveniently switched after the expected grinding allowance is reached. During the finishing grinding process, the laser edge treatment is used in conjunction with it to achieve preheating and strengthening of the tool surface, reduce thermal stress during the grinding process, and improve the quality of cutting edge grinding; after the finishing grinding is completed, the image acquisition device obtains the final asymmetric cutting edge shape and size of the tool through the grinding trajectory inversion of the finishing device, and compares it with the originally expected asymmetric cutting edge shape and size, saving the time and cost consumed by the measurement of the tool asymmetric cutting edge, and making the grinding result more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 Schematic diagram of a precision sharpening device for a multi-edged asymmetric cutting edge tool provided by an embodiment of the present invention;

[0030] Figure 2 It is a schematic diagram of the tool transportation and pre-processing module;

[0031] Figure 3 is a schematic diagram of the tool fixture;

[0032] Figure 4 yes Figure 3 Schematic diagram of the decomposition of

[0033] Figure 5 It is a schematic diagram of a ring;

[0034] Figure 6 It is a schematic diagram of the rough machining module of the asymmetric cutting edge of the tool;

[0035] Figure 7 It is a side view of the roughing platform being raised for sharpening;

[0036] Figure 8 It is a side view with the roughing platform lowered;

[0037] Fig. 9 It is a schematic diagram of the tool asymmetric edge finishing module;

[0038] Fig.10 It is a schematic diagram showing that the tool asymmetric cutting edge finishing module is located above the tool asymmetric cutting edge roughing module. DETAILED DESCRIPTION

[0039] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0040] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0041] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0042] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0045] Example:

[0046] The present invention aims to solve the problem that the asymmetric cutting edge of a multi-blade tool cannot be accurately ground into various geometric shapes and the quality of cutting edge grinding is difficult to accurately control, and further proposes a new precision grinding system for multi-blade asymmetric cutting edge tools.

[0047] like Figure 1 As shown, a precision sharpening device for a multi-edge asymmetric edge tool comprises:

[0048] The tool transport and pre-processing module 1 comprises a conveyor belt 11 and a pre-processing device, wherein the conveyor belt 11 is used to transport the tool, and the pre-processing device is used to mark the ideal cutting edge shape of the tool;

[0049] A tool fixture 2 is placed in the inner circular hole of the tool asymmetric cutting edge rough processing module 3 to fix the tool;

[0050] The tool asymmetric cutting edge roughing module 3 is located on one side of the conveyor belt 11, and includes a tool magnetic feeding device 32, a roughing sharpening device 31, and a roughing platform push rod device 34. The tool magnetic feeding device 32 is used to transfer the tool located on the conveyor belt 11 to the tool fixture 2, the roughing sharpening device 31 is used to perform roughing on the tool located on the tool fixture 2, and the roughing platform push rod device 34 is used to raise or lower the roughing table;

[0051] The tool asymmetric cutting edge finishing module 4 is located behind the tool asymmetric cutting edge roughing module 3, and includes a moving device and a finishing device. The finishing device has a notch that can accommodate the tool fixture. The moving device is used to move the finishing device to above the roughing device after the roughing device is lowered, and to make the notch accommodate the tool fixture, so that the finishing device can finish the tool located on the tool fixture 2.

[0052] The tool transport and preprocessing module of the present invention transports the tool to the vicinity of the device for edge grinding, scans and identifies the tool contour, and marks the ideal edge shape required for the tool to be sharpened by the preprocessing device. The tool fixture is placed in the internal circular hole of the asymmetric edge rough machining module; the asymmetric edge finishing module is located behind the rough machining module and is connected to the push rod motor by screws. The tool is rough-ground and fine-ground by using the tool transport and preprocessing module 1, the tool fixture 2, the tool asymmetric edge rough machining module 3, and the tool asymmetric edge finishing module 4. The present invention uses a specific device to mark the asymmetric edge that needs to be ground at the tool edge, and realizes precise machining of the asymmetric edge through identification marking, rough-finish machining conversion, and edge measurement based on grinding trajectory inversion, thereby improving the grinding quality and grinding accuracy of the asymmetric edge.

[0053] Figure 2It is a schematic diagram of a tool transport and preprocessing module. The tool transport and preprocessing module 1 also includes a tool fixing block 12. The tool fixing block 12 is energized by an electromagnet to fix itself on the conveyor belt 11, and at the same time fixes the tool by magnetic attraction; the preprocessing device is fixed on the frame, and when the tool fixing block 12 transports the tool to the position of the preprocessing device, the preprocessing device performs preprocessing operations on the tool.

[0054] The pretreatment device includes a fluorescent agent spraying device 13, a spraying device guide instrument 14, and a fluorescent agent storage tank 16. The fluorescent agent spraying device 13 is connected to the fluorescent agent storage tank 16 through a pipeline. The spraying device guide instrument 14 is used to scan the contour of the tool. The fluorescent agent spraying device 13 is used to mark the part that needs to be sharpened and removed at the cutting edge of the tool with a fluorescent agent.

[0055] The fluorescent agent spraying device 13 includes a spraying movable arm and a fluorescent agent spray head, the spraying movable arm can rotate along the Z axis, and the fluorescent agent spray head is installed on the spraying movable arm and can rotate along the X axis. The spraying device guide 14 includes a guide movable arm and a scanning lens, the guide movable arm can rotate along the Z axis, and the scanning lens is installed on the spraying movable arm and can rotate along the X axis.

[0056] The fluorescent agent spraying device and its guide instrument are fixed on both sides of the conveyor belt by screws through an external bracket, and the fluorescent agent storage tank is connected to the spraying device through a connecting pipe to realize the marking of the ideal cutting edge shape of the tool. The conveyor belt 11 is rotated by the motors on both sides to drive the conveyor belt 11 to move; wherein the tool fixing block 12 is energized by the electromagnet to fix the fixing block on the conveyor belt; at the same time, the tool is placed on the fixing block and is also placed on the fixing block through magnetic attraction. The movement of the conveyor belt drives the fixing block to move to the position of the fluorescent agent spraying device 13, the spraying device guide instrument 14, and the fluorescent agent storage tank 16. The spraying device guide instrument 14 rotates around the z-axis through the shaft end and the scanning lens on the moving arm rotates around the x-axis, so that the spraying device guide instrument scans the tool contour. After the control module inputs the asymmetric cutting edge shape that needs to be sharpened, the fluorescent agent spraying device 13 rotates around the z-axis through the shaft end and the fluorescent agent nozzle on the moving arm rotates around the x-axis, and the part of the tool cutting edge that needs to be sharpened and removed is marked with fluorescent agent. The fluorescent agent storage tank 16 is connected to the fluorescent agent spray head through a connecting pipe to provide raw materials for fluorescent agent spraying.

[0057] Figure 3 is a schematic diagram of the tool fixture. Figure 4 yes Figure 3 Schematic diagram of the decomposition of Figure 52 is a schematic diagram of a circular ring, wherein the tool fixture 2 comprises a circular ring 21, a base 22, three claws 23, and a blade clamping device 24; the surface of the circular ring 21 is provided with three arc-shaped long grooves 211 and three straight long grooves 212, the three arc-shaped long grooves 211 are evenly distributed around the circumference, the three straight long grooves 212 are evenly distributed around the circumference, the arc-shaped long grooves 211 and the straight long grooves 212 are staggered, the arc-shaped long grooves 211 are concentric with the circular ring 21, and the straight long grooves 212 are inclined from the inside to the outside; the surface of the base 22 is provided with three arc-shaped oblique long grooves 222 and three arc-shaped plates 221, the three arc-shaped oblique long grooves 222 are evenly distributed around the circumference, the three arc-shaped plates 221 are evenly distributed around the circumference, the arc-shaped oblique long grooves 222 and the arc-shaped plates 221 are staggered, and the arc-shaped oblique long grooves 222 are from the inside to the outside. The blade clamping device 24 is connected to the base 22, and a push rod motor is built in it, which can push the upper end part vertically to be flush with the upper end plane of the ring 21 for clamping the blade; micro push rod motors are built in on both sides of the internal groove of the upper end part of the blade clamping device 24, and the built-in micro push rod motor can control the blade clamping block 241 to move in the internal groove to achieve the clamping of the blade. Specifically, the blade clamping device 24 is pushed up to be flush with the upper end ring 21 by the internal push rod motor, and the blade plane is clamped by the movement of two protruding blocks in the groove.

[0058] The tool fixture 2 also includes a rotary push rod motor group 25, which includes a rotary push rod motor 253 at the lower end and a stepper motor 252 at the upper end, wherein the rotary push rod motor 253 controls the vertical movement of the tool fixture 2 as a whole and the overall rotation of the tool fixture 2, and the upper stepper motor 252 is connected to the top of the push rod of the rotary push rod motor group 25, and a convex block 251 is provided at the upper end of the stepper motor 252, which matches the groove provided on the bottom surface of the base 22, and the stepper motor 252 rotates to drive the three claws 23 to shrink toward the center, thereby clamping the tool bar. The tool fixture is separately connected to the bottom rotary push rod motor group 25 to control the horizontal height of the fixture and avoid interference from the lifting process of the rough machining platform.

[0059] Specifically, the circular ring 21 connects the three claws 23 and the base 22 through the arc-shaped long groove 211 and the straight long groove 212, and at the same time limits the movement trajectory of the three claws during the clamping process. The stepper motor 252 drives the base 22 to rotate, driving the three claws to move, realizing the circumferential feeding and contraction of the three claws, and clamping the tool rod.

[0060] The circular ring 21 of the present invention is driven by a built-in stepper motor at the bottom to drive the three claws to move, thereby realizing the circumferential feeding and contraction of the three claws and clamping the tool rod. The blade clamping device 24 is pushed up to be flush with the upper circular ring by an internal push rod motor, and the blade plane is clamped by the movement of two protruding blocks in the groove.

[0061] The tool bar clamping structure of the present invention cooperates with the blade clamping structure to realize flexible clamping of various tools. The blade clamping structure is internally connected to a push rod motor, and when clamping the blade, the special blade clamping mechanism rises to a working position. The overall clamping mechanism is connected to a rotating push rod motor to realize vertical lifting.

[0062] Figure 6 It is a schematic diagram of a rough machining module for asymmetric cutting edge of a tool, wherein the rough machining module 3 for asymmetric cutting edge of a tool further comprises a rough machining platform 33 and a rough machining monitoring device 35, wherein a rough machining grinding device 31, a tool magnetic suction feeding device 32 and a rough machining monitoring device 35 are all installed on the rough machining platform 33; the rough machining grinding device 31 comprises a rough machining grinding wheel, a rotating device, a pitch driving device and a forward and backward movement control device, wherein the rotating device is used to control the rotation of the rough machining grinding wheel to perform rough machining and grinding on the tool, the pitch driving device is used to control the pitch angle of the rough machining grinding wheel, and the forward and backward movement control device is used to control the forward and backward position of the rough machining grinding wheel; the tool magnetic suction feeding device 32 comprises a magnetic suction block and a feeding manipulator, wherein the magnetic suction block is used to hold the tool handle of the tool, and the feeding manipulator is used to transfer the tool to the tool fixture 2; a rough machining platform push rod device 34 is connected to the bottom end of the rough machining platform 33 and is used to raise or lower the rough machining platform 33; the rough machining monitoring device 35 is used to control the rotational movement, pitch movement and forward and backward movement of the rough machining grinding wheel according to the marking made by the fluorescent agent.

[0063] The rotating device can be a rotating motor, the pitch driving device can be a hydraulic cylinder and a connecting rod slider structure or a connecting rod structure, and the forward and backward movement control device can be a hydraulic cylinder, etc. The roughing platform push rod device 34 can be a hydraulic cylinder, etc.

[0064] The tool magnetic feeding device 32 is energized through the top magnetic device to absorb the top of the tool rod, and the blade pushes out the block inside the top magnetic device as the armature to absorb the plane of the blade, and finally the tool is installed on the tool fixture for clamping. After clamping, the rough machining monitoring device 35 controls the two rough machining grinding devices 31 to move simultaneously in the U-shaped groove of the rough machining platform 33 through the tool edge removal part marked by the fluorescent agent, and plans the rough machining grinding route for the grinding device. The rough machining grinding device 31 controls the feed movement through the pitch angle rotation and the internal push rod motor to achieve rough machining and grinding of multiple asymmetric blade edges of the tool at different angles and distances. Finally, the monitoring device determines whether the rough machining removal amount is reached. After the removal amount is reached, the push rod device 34 of the rough machining platform connected at the bottom shrinks, and the tool asymmetric blade rough machining module descends to the bottom, ending the rough machining and grinding of the tool.

[0065] After finishing the rough machining and grinding, the rough machining platform 33 is lowered. Figure 7 is a side view of the roughing platform 33 raised for sharpening, Figure 8 It is a side view of the rough machining platform 33 lowered after the rough machining and grinding are completed.

[0066] The tool magnetic feeding device of the present invention is installed on the rough machining platform to suck up the tool and install and position it on the tool fixture. Two rough machining sharpening devices are evenly distributed in the U-shaped groove of the tool rough machining platform. The rough machining sharpening devices move in the U-shaped groove to achieve rough machining sharpening of the asymmetric cutting edges of the tool multiple blades. The monitoring device can judge the progress of rough machining sharpening. After the rough machining is completed, the push rod motor connected to the bottom end of the rough machining platform shrinks to facilitate the conversion of the fine machining module.

[0067] Fig. 9It is a schematic diagram of a tool asymmetric edge finishing module, the finishing device includes a finishing platform, a finishing grinding device 41, a finishing monitoring and guiding device 42, and a laser processing device 44; the finishing grinding device 41, the finishing monitoring and guiding device 42, the optical signal acquisition camera 43 and the laser processing device 44 are all arranged on the finishing platform, and the position of the laser processing device 44 is higher than the position of the tool; the finishing platform is provided with a notch; the finishing grinding device 41 includes a finishing grinding wheel and a finishing manipulator, the finishing manipulator is used to drive the finishing grinding wheel to finish grinding the tool, and, after the finishing grinding technology, is used to drive the finishing grinding wheel to surround The multi-blade asymmetric cutting edge of the sharpened tool is around one circle; the finishing monitoring and guiding device 42 is used to detect the finishing removal amount of the cutting edge and plan the grinding path for the finishing grinding device 41, and at the same time send a signal to the laser processing device 44 to guide the laser processing device 44 to process the cutting edge being sharpened by laser during the finishing grinding; the laser processing device 44 is used to perform laser processing on the tool; the moving device includes a rear end push rod device 45 and a finishing moving device 46, the finishing moving device 46 is installed at the bottom of the finishing platform and is equipped with a pulley, and the rear end push rod device 45 is connected to the finishing moving device 46 for pushing out or pulling back the finishing moving device 46.

[0068] The upper end of the finishing monitoring and guiding device 42 is divided into a camera, and the middle and lower parts are the same structure as the finishing manipulator in the finishing sharpening device 41. The rear push rod device 45 can be a hydraulic cylinder, etc., and the finishing moving device 46 uses a column with a pulley.

[0069] Fig.10 It is a schematic diagram of a tool asymmetric edge finishing module located above a tool asymmetric edge roughing module, wherein the rear end push rod device 45 connected to the finishing moving device 46 pushes the entire finishing module to the top of the roughing module after the tool asymmetric edge roughing module drops to the bottom, and the middle notch of the finishing module cooperates with the fixture. The finishing monitoring and guiding device 42 detects the edge finishing removal amount and plans a specific grinding path for the finishing grinding device 41. The finishing grinding device performs finishing grinding on the tool edge through the movement of the multi-stage motion pair. The processing monitoring and guiding device 42 transmits a signal to the laser processing device 44 while planning the finishing grinding route, guiding the laser processing device to process the edge being sharpened by laser during the finishing grinding.

[0070] The tool asymmetric cutting edge finishing module 4 also includes an optical signal acquisition camera 43 and an optical signal transmitter 411; the optical signal acquisition camera 43 is arranged on the finishing platform, and the optical signal transmitter 411 is arranged on the finishing grinding wheel; the optical signal transmitter 411 is used to send the motion signal of the finishing grinding wheel around the cutting edge to the optical signal acquisition camera 43 to form the motion trajectory of the finishing grinding wheel.

[0071] Optical signal acquisition cameras are installed on both sides, the rear and one side of the laser processing device of the tool asymmetric edge finishing platform. After grinding, the finishing grinding device 41 has its grinding wheel circle around the multi-blade asymmetric edge of the tool that has been sharpened to improve the surface quality of the edge and remove burrs. The optical signal transmitter 411 thereon is powered on to emit light signals, which are captured by the optical signal acquisition cameras in three directions to form a grinding wheel motion trajectory. The shape and size of the asymmetric edge of the tool after grinding can be obtained in the control system through the grinding wheel motion trajectory. By comparing it with the expected asymmetric edge shape of the tool, the grinding quality of the multi-blade asymmetric edge of the tool can be judged.

[0072] The two finishing grinding devices and the monitoring guide device of the present invention are installed diagonally on the platform at the upper end of the moving device, and the laser processing device is supported by a pillar and installed on the upper end of the finishing platform, so that the finishing grinding edge and the laser processing edge can be coordinated with each other. The optical signal acquisition camera of the present invention and the optical signal acquisition camera on the laser processing device realize the multi-plane inversion measurement of the final asymmetric edge shape of the tool through the finishing grinding device.

[0073] Working principle:

[0074] After the control system obtains the image of the tool, the asymmetric edge to be processed based on the existing edge design of the tool is sprayed with fluorescent agent on the multi-edge surface of the tool through a multi-degree-of-freedom fluorescent agent spraying device to mark the part of the blade that needs to be removed, thereby indicating the asymmetric edge shape that needs to be formed by grinding. The progress of rough grinding is confirmed by monitoring the volume of the fluorescent agent part removed by the rough grinding of the tool through the image acquisition device, and the volume of the fluorescent agent part is measured by the image acquisition device to determine whether the rough grinding needs to be terminated. After the rough grinding is terminated, the path and grinding depth of the fine machining are determined based on the residual fluorescent agent part volume at the multi-edge edge of the tool obtained by image acquisition, and the laser processing edge and fine machining grinding are controlled to be carried out simultaneously. The laser processing edge surface can preheat the workpiece, reduce the thermal stress generated by grinding, and strengthen the edge. After the grinding is completed, the fine machining system drives the grinding wheel to move around the asymmetric edge of the tool after grinding. The device near the grinding wheel emits an optical signal, so that the moving trajectory is captured by the acquisition device to form an optical profile. The optical profile is converted by the device near the grinding wheel and the distance between the edge to obtain the final shape and size of the tool after grinding.

[0075] A precision sharpening method for a multi-edge asymmetric edge tool, comprising:

[0076] (1) Controlling the movement of the conveyor belt 11, wherein a plurality of tool fixing blocks 12 are placed on the conveyor belt 11, and the tool fixing blocks 12 are fixed on the conveyor belt 11 by magnetic attraction, and the tool fixing blocks 12 are used to fix the tool 5;

[0077] (2) controlling the spraying device guide instrument 14 to rotate around the z-axis through the shaft end and the scanning lens on its own moving arm to rotate around the x-axis to scan the tool contour, and after receiving the asymmetric edge shape to be formed by sharpening, the fluorescent agent spraying device 13 is rotated around the z-axis through the shaft end and the fluorescent agent nozzle on its own moving arm is rotated around the x-axis to mark the part to be sharpened and removed at the tool edge with fluorescent agent;

[0078] (3) capturing an initial image of the tool and a fluorescent marker, wherein the fluorescent marker is used to indicate a portion of the blade that needs to be removed and an asymmetric edge shape that needs to be formed by sharpening; calculating a volume of the fluorescent marker portion, wherein the volume is used to confirm the progress of roughing sharpening and to determine whether the roughing sharpening needs to be terminated;

[0079] (4) Control the magnetic block of the tool magnetic feeding device 32 of the tool asymmetric cutting edge rough machining module 3 to suck the tool 5 from the tool fixing block 12, control the feeding manipulator to transfer the tool 5 to the middle of the three claws 23 of the tool fixture 2, control the stepper motor to drive the three claws 23 to clamp the tool handle of the tool 5, and control the rotary push rod motor group 25 to push the tool fixture 2 to change the height position of the tool 5 for rough machining;

[0080] (5) After the rough machining and sharpening are completed, the residual volume of the fluorescent agent is collected, wherein the residual volume is used to determine the path and sharpening depth of the fine machining and laser processing;

[0081] (6) controlling the rough machining monitoring device 35 of the tool asymmetric edge rough machining module 3 to plan the paths of rotation, pitch, and forward and backward motion, and controlling the rotation device, pitch driving device, and forward and backward movement control device of the rough machining grinding device 31 to drive the rough machining grinding wheel to rough the tool 5 according to the paths; after the rough machining grinding is completed, controlling the rough machining platform push rod device 34 to move to lower the rough machining platform 33;

[0082] (7) Control the rear end push rod device 45 of the tool asymmetric edge finishing module 4 to move the finishing moving device 46 to the top of the roughing platform 33, so that the notch of the finishing platform can just accommodate the tool fixture 2; control the finishing monitoring and guiding device 42 to detect the finishing removal amount of the edge, plan a specific grinding path for the finishing grinding device 41, and control the finishing grinding device to perform finishing grinding on the tool edge through the movement of the multi-stage motion pair, wherein the control processing monitoring and guiding device 42 transmits a signal to the laser processing device 44 while planning the finishing grinding route, guiding the laser processing device 44 to perform finishing grinding on the tool edge. The cutting edge being sharpened is processed by laser at the same time as the workpiece sharpening; after the fine grinding is completed, the fine grinding wheel of the fine grinding device 41 is controlled to circle around the multi-blade asymmetric cutting edge of the sharpened tool, and at the same time, the optical signal transmitter 411 transmits a motion signal; the optical signal acquisition camera 43 is controlled to collect the motion signal of the optical signal transmitter 411 to form a motion trajectory of the fine grinding wheel, wherein the motion trajectory is used to obtain the shape and size of the asymmetric cutting edge of the tool after sharpening in the control system, and can be compared with the expected asymmetric cutting edge shape of the tool to judge the grinding quality of the multi-blade asymmetric cutting edge of the tool.

[0083] A precision sharpening system for multi-edge asymmetric edge tools, comprising:

[0084] An image acquisition module is used to acquire an initial image of the tool and a fluorescent agent mark, wherein the fluorescent agent mark is used to indicate the portion of the blade that needs to be removed and to indicate the asymmetric edge shape that needs to be formed by grinding; it is also used to calculate the volume of the fluorescent agent marked portion, wherein the volume is used to confirm the progress of rough machining and grinding, and to determine whether the rough machining and grinding need to be terminated; it is also used to acquire the volume of the residual fluorescent agent portion after the rough machining and grinding are completed, wherein the residual volume is used to determine the path and grinding depth of fine machining and laser processing;

[0085] The control module is used to control the operation of the conveyor belt 11, the stepper motor, the rotary push rod motor group 25, the rough machining grinding device 31, the tool magnetic suction feeding device 32, the rough machining platform push rod device 34, the rough machining monitoring device 35, the fine machining grinding device 41, the fine machining monitoring and guiding device 42, the laser processing device 44, the rear end push rod device 45, and the fine machining moving device 46.

[0086] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A precision sharpening device for a multi-blade asymmetric edge tool, characterized by: include, A tool transport and preprocessing module (1) comprises a conveyor belt (11) and a preprocessing device, wherein the conveyor belt (11) is used to transport the tool, and the preprocessing device is used to mark the ideal cutting edge shape of the tool; A tool fixture (2) is placed in the inner circular hole of the tool asymmetric cutting edge rough processing module (3) for fixing the tool; A tool asymmetric cutting edge rough processing module (3), located on one side of the conveyor belt (11), comprises a tool magnetic suction feeding device (32), a rough processing sharpening device (31), and a rough processing platform push rod device (34), wherein the tool magnetic suction feeding device (32) is used to transfer the tool located on the conveyor belt (11) to the tool fixture (2), the rough processing sharpening device (31) is used to perform rough processing on the tool located on the tool fixture (2), and the rough processing platform push rod device (34) is used to raise or lower the rough processing table; The tool asymmetric cutting edge finishing module (4) is located behind the tool asymmetric cutting edge rough machining module (3), and comprises a moving device and a finishing device. The finishing device has a notch capable of accommodating the tool fixture. The moving device is used to move the finishing device to above the rough machining device after the rough machining device is lowered, and to allow the notch to accommodate the tool fixture, so that the finishing device can perform finishing on the tool located on the tool fixture (2).

2. The precision sharpening device for a multi-edge asymmetric cutting edge tool according to claim 1, characterized in that: The tool transport and preprocessing module (1) also includes a tool fixing block (12), which is energized by an electromagnet to fix itself on the conveyor belt (11) and fix the tool by magnetic attraction; the preprocessing device is fixed on the frame, and when the tool fixing block (12) transports the tool to the position of the preprocessing device, the preprocessing device performs a preprocessing operation on the tool.

3. The precision sharpening device for a multi-blade asymmetric cutting edge tool according to claim 1, characterized in that: The pretreatment device comprises a fluorescent agent spraying device (13), a spraying device guide instrument (14), and a fluorescent agent storage tank (16). The fluorescent agent spraying device (13) is connected to the fluorescent agent storage tank (16) through a pipeline. The spraying device guide instrument (14) is used to scan the contour of the tool. The fluorescent agent spraying device (13) is used to mark the part that needs to be sharpened and removed at the cutting edge of the tool with a fluorescent agent.

4. The precision sharpening device for a multi-blade asymmetric edge tool according to claim 1, characterized in that: The tool holder (2) comprises a circular ring (21), a base (22), three clamping claws (23), and a blade clamping device (24); the surface of the circular ring (21) is provided with three arc-shaped long grooves (211) and three straight long grooves (212); the three arc-shaped long grooves (211) are evenly distributed around the circumference; the three straight long grooves (212) are evenly distributed around the circumference; the arc-shaped long grooves (211) and the straight long grooves (212) are staggered; The arc-shaped long groove (211) is cocentric with the circular ring (21), and the straight long groove (212) is inclined from the inside to the outside; the surface of the base (22) is provided with three arc-shaped oblique long grooves (222) and three arc-shaped plates (221), the three arc-shaped oblique long grooves (222) are evenly distributed around the circumference, the three arc-shaped plates (221) are evenly distributed around the circumference, the arc-shaped oblique long grooves (222) and the arc-shaped plates (221) are staggered, and the arc The oblique long groove (222) is inclined from the inside to the outside, and the three arc-shaped plates (221) are inserted into the three arc-shaped long grooves (211); the three clamping claws (23) are evenly distributed around the circumference, and a straight plate (231) is provided on one side of the clamping claw (23), and the straight plate (231) is inserted into the straight long groove (212); a guide rod (232) is provided on the other side of the clamping claw (23), and the guide rod (232) is inserted into the circular arc oblique long groove (222); the blade clamping device (24) is connected to the base (22), and a push rod motor is built in it, which can push the upper end part in the vertical direction to be flush with the upper end plane of the ring (21) for clamping the blade; micro push rod motors are built in on both sides of the internal groove of the upper end part of the blade clamping device (24), and the built-in micro push rod motor can control the blade clamping block (241) to move in the internal groove to achieve clamping of the blade.

5. The precision sharpening device for a multi-edge asymmetric cutting edge tool according to claim 4, characterized in that: The tool holder (2) also includes a rotary push rod motor group (25), and the rotary push rod motor group (25) includes a rotary push rod motor (253) located at the lower end and a stepper motor (252) located at the upper end, wherein the rotary push rod motor (253) controls the overall vertical movement of the tool holder (2) and the overall rotation of the tool holder (2), and the upper stepper motor (252) is connected to the top end of the push rod of the rotary push rod motor group (25), and a protrusion (251) is provided at the upper end of the stepper motor (252) and matches with a groove provided on the bottom surface of the base (22). The stepper motor (252) rotates to drive the three clamping claws (23) to shrink toward the center, thereby clamping the tool rod.

6. The precision sharpening device for a multi-blade asymmetric cutting edge tool according to claim 1, characterized in that: The tool asymmetric cutting edge rough machining module (3) also includes a rough machining platform (33) and a rough machining monitoring device (35). The rough machining sharpening device (31), the tool magnetic suction feeding device (32) and the rough machining monitoring device (35) are all installed on the rough machining platform (33); the rough machining sharpening device (31) includes a rough machining grinding wheel, a rotating device, a pitch driving device and a forward and backward movement control device. The rotating device is used to control the rotation of the rough machining grinding wheel to perform rough machining on the tool, and the pitch driving device is used to control the pitch angle of the rough machining grinding wheel. The forward and backward movement control device is used to control the forward and backward position of the rough machining grinding wheel; the tool magnetic suction feeding device (32) includes a magnetic suction block and a feeding robot, the magnetic suction block is used to suck the tool handle of the tool, and the feeding robot is used to transfer the tool to the tool fixture (2); the rough machining platform push rod device (34) is connected to the bottom end of the rough machining platform (33) and is used to raise or lower the rough machining platform (33); the rough machining monitoring device (35) is used to control the rotational movement, pitch movement, and forward and backward movement of the rough machining grinding wheel according to the mark made of fluorescent agent.

7. The precision sharpening device for a multi-edge asymmetric cutting edge tool according to claim 1, characterized in that: The finishing device comprises a finishing platform, a finishing sharpening device (41), a finishing monitoring and guiding device (42), and a laser processing device (44); the finishing sharpening device (41), the finishing monitoring and guiding device (42), the optical signal acquisition camera (43), and the laser processing device (44) are all arranged on the finishing platform, and the position of the laser processing device (44) is higher than the position of the tool; the finishing platform is provided with the notch; the finishing sharpening device (41) comprises a finishing grinding wheel and a finishing manipulator, the finishing manipulator is used to drive the finishing grinding wheel to finish sharpen the tool, and, after the finishing sharpening technology, is used to drive the finishing grinding wheel to surround the sharpened tool. The blade has an asymmetric edge around one circle; the finishing monitoring and guiding device (42) is used to detect the finishing removal amount of the edge and plan the grinding path for the finishing grinding device (41), and at the same time send a signal to the laser processing device (44) to guide the laser processing device (44) to laser process the edge being sharpened during the finishing grinding; the laser processing device (44) is used to perform laser processing on the tool; the moving device includes a rear end push rod device (45) and a finishing moving device (46), the finishing moving device (46) is installed at the bottom of the finishing platform and is equipped with a pulley, the rear end push rod device (45) is connected to the finishing moving device (46) and is used to push out or pull back the finishing moving device (46).

8. The precision sharpening device for a multi-edge asymmetric cutting edge tool according to claim 7, characterized in that: The tool asymmetric cutting edge finishing module (4) further comprises an optical signal acquisition camera (43) and an optical signal transmitter (411); the optical signal acquisition camera (43) is arranged on the finishing platform, and the optical signal transmitter (411) is arranged on the finishing grinding wheel; the optical signal transmitter (411) is used to send a motion signal of the finishing grinding wheel around the cutting edge to the optical signal acquisition camera (43), so as to form a motion trajectory of the finishing grinding wheel.

9. A precision sharpening method for a multi-edge asymmetric edge tool, characterized by: A precision sharpening device for a multi-blade asymmetric edge tool as claimed in any one of claims 1 to 8, comprising: Controlling the movement of the conveyor belt (11), wherein a plurality of tool fixing blocks (12) are placed on the conveyor belt (11), the tool fixing blocks (12) are fixed on the conveyor belt (11) by magnetic attraction, and the tool fixing blocks (12) are used to fix the tool (5); The spraying device guide instrument (14) is controlled to rotate around the z-axis through the shaft end and the scanning lens on its own movable arm is rotated around the x-axis to scan the tool contour. After receiving the asymmetric edge shape to be formed by sharpening, the fluorescent agent spraying device (13) is controlled to rotate around the z-axis through the shaft end and the fluorescent agent nozzle on its own movable arm is rotated around the x-axis to mark the part to be sharpened and removed at the tool edge with fluorescent agent; Acquiring an initial image and a fluorescent marker of the tool, wherein the fluorescent marker is used to indicate a portion of the blade that needs to be removed and an asymmetric edge shape that needs to be formed by sharpening; calculating a volume of the fluorescent marker portion, wherein the volume is used to confirm the progress of roughing sharpening and to determine whether the roughing sharpening needs to be terminated; Controlling the magnetic block of the tool magnetic feeding device (32) of the tool asymmetric cutting edge rough processing module (3) to absorb the tool (5) from the tool fixing block (12), controlling the feeding manipulator to transfer the tool (5) to the middle of the three clamping claws (23) of the tool fixture (2), controlling the stepping motor (252) to drive the three clamping claws (23) to clamp the tool handle of the tool (5), and controlling the rotary push rod motor (253) to push and rotate the tool fixture (2) to change the height and angle position of the tool (5) to facilitate rough processing; After the rough machining and sharpening are completed, the residual volume of the fluorescent agent is collected, wherein the residual volume is used to determine the path and sharpening depth of the fine machining and laser processing; The rough machining monitoring device (35) controls the rough machining module (3) of the tool asymmetric cutting edge to plan the paths of rotational movement, pitching movement, and forward and backward movement, and controls the rotation device, pitching driving device, and forward and backward movement control device of the rough machining grinding device (31) to move according to the paths to drive the rough machining grinding wheel to perform rough machining on the tool (5); after the rough machining grinding is completed, the rough machining platform push rod device (34) is controlled to move to lower the rough machining platform (33); The rear end push rod device (45) of the tool asymmetric edge finishing module (4) is controlled to move to push the finishing moving device (46) forward to the top of the roughing platform (33), and the notch of the finishing platform just accommodates the tool fixture (2); the finishing monitoring and guiding device (42) is controlled to detect the finishing removal amount of the edge, and a specific grinding path is planned for the finishing grinding device (41), and the finishing grinding device is controlled to perform finishing grinding on the tool edge through the movement of the multi-stage motion pair, wherein the processing monitoring and guiding device (42) transmits a signal to the laser processing device (44) while planning the finishing grinding route, and guides the laser processing device (41) to perform finishing grinding on the tool edge. 4) During the fine grinding, the edge being ground is processed by laser; after the fine grinding is completed, the fine grinding wheel of the fine grinding device (41) is controlled to circle the multi-blade asymmetric edge of the tool that has been ground, and at the same time, the optical signal transmitter (411) transmits a motion signal; the optical signal acquisition camera (43) is controlled to collect the motion signal of the optical signal transmitter (411) to form a motion trajectory of the fine grinding wheel, wherein the motion trajectory is used to obtain the shape and size of the asymmetric edge of the tool after grinding in the control system, and can be compared with the expected shape of the asymmetric edge of the tool to determine the grinding quality of the multi-blade asymmetric edge of the tool.

10. A precision sharpening system for a multi-edge asymmetric edge tool, characterized by: A method for precision sharpening a multi-edge asymmetric cutting edge tool as claimed in claim 9, include, An image acquisition module is used to acquire an initial image of the tool and a fluorescent agent mark, wherein the fluorescent agent mark is used to indicate the portion of the blade that needs to be removed and to indicate the asymmetric edge shape that needs to be formed by grinding; it is also used to calculate the volume of the fluorescent agent marked portion, wherein the volume is used to confirm the progress of rough machining and grinding, and to determine whether the rough machining and grinding need to be terminated; it is also used to acquire the volume of the residual fluorescent agent portion after the rough machining and grinding are completed, wherein the residual volume is used to determine the path and grinding depth of fine machining and laser processing; The control module is used to control the operation of a conveyor belt (11), a stepper motor (252), a rotary push rod motor (253), a rough machining sharpening device (31), a tool magnetic suction feeding device (32), a rough machining platform push rod device (34), a rough machining monitoring device (35), a fine machining sharpening device (41), a fine machining monitoring and guiding device (42), a laser processing device (44), a rear end push rod device (45), and a fine machining moving device (46).

Images