Diamond laser processing equipment

Abstract

Diamond laser processing equipment comprises a workbench, a clamp assembly and a rotating mechanism are arranged on the workbench, and the diamond laser processing equipment is characterized in that the workbench further comprises a detection mechanism, a laser processing mechanism and a laser processing mechanism, the controller is connected with the detection mechanism, the A-axis module and the B-axis module and is configured to judge whether the plane where the to-be-machined blank is located is an XY plane or not according to the detection result of the detection mechanism and control the A-axis module and / or the B-axis module to drive the clamp assembly to rotate so that the plane where the to-be-machined blank is located can be located on the XY plane. The machining equipment can control the A-axis module and / or the B-axis module to drive the clamp module to rotate according to the deflection angle between the plane where the to-be-machined blank is located and the XY plane, and finally the plane where the to-be-machined blank is located is located on the XY plane, so that automatic adjustment of the plane where the to-be-machined blank is located is achieved, the deflection angle between the plane where the to-be-machined blank is located and the XY plane is avoided, and the machining efficiency is improved. And the processing yield is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser processing technical field especially relates to a diamond laser processing equipment. BACKGROUND

[0002] Diamond is the hardest material, in its processing process, in order to meet the precision requirement of processing, usually adopt the method of laser processing to process diamond blank, the existing laser cutting machine usually needs to use fixed clamp to clamp the blank to be processed, makes the blank be in correct processing position and processes or detects, but the fixed clamp of the existing laser cutting machine cannot overturn the blank, when the blank needs to be processed on both sides, needs to be manually overturned and re-fixes the blank. This scheme is complicated in operation steps, reduces the blank processing efficiency at the same time, increases the artificial labor quantity, and because there is secondary clamping, will bring in clamping error, reduces the processing precision.

[0003] Therefore, the applicant's prior application discloses patent number 202321864924.7 (authorized announcement number CN220500360U) of Chinese utility model patent "machining component and equipment for diamond machining", the clamp assembly of the machining component has at least two rotation degrees of freedom relative to the workbench bearing the clamp assembly, when needing to process the blank on both sides, only needs to be online through the machine tool electricity and software system, and the function of multi-axis linkage overturning can be realized through program writing. However, in the long-term use process, the axis of B shaft and C shaft can be offset, so that when in the initial position, the plane where the clamp assembly clamped the blank to be processed and the horizontal plane produce an angle, cause the deviation of laser path and make the processing result not meet the expectation. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is to provide a diamond laser processing equipment capable of automatically adjusting the plane of the blank to be processed in view of the prior art status.

[0005] The utility model adopts the technical scheme that the diamond laser processing equipment comprises a workbench, and the workbench is provided with:

[0006] A clamp assembly is used for clamping the blank to be processed, and the clamp assembly is kept at a preset distance from the tabletop of the workbench.

[0007] A rotating mechanism acts on the clamp assembly and comprises an A-axis module capable of driving the clamp assembly to rotate around the X-axis of the workbench and a B-axis module capable of driving the clamp assembly to rotate around the Y-axis of the workbench.

[0008] A detection mechanism is arranged above the clamp assembly and is used for detecting the plane of the blank to be processed.

[0009] a controller connected with the detecting mechanism, the A-axis module and the B-axis module, and configured to determine whether the plane where the workpiece to be machined is located is the XY plane according to the detection result of the detecting mechanism, and to control the A-axis module and / or the B-axis module to drive the clamp assembly to rotate so that the plane where the workpiece to be machined is located is in the XY plane.

[0010] In order to avoid the dust splashing during the machining of the diamond workpiece from affecting the detecting mechanism, preferably, a partition plate is further arranged on the workbench, the partition plate divides the workbench into a first space between the partition plate and the tabletop of the workbench, and a second space above the first space, the clamp assembly and the rotating mechanism are located in the first space, and the detecting mechanism is located in the second space, the partition plate is provided with an opening, and the detecting mechanism can at least partially pass through the opening to enter the first space. The partition plate is arranged to separate the clamp assembly and the detecting mechanism in the first space and the second space respectively, and the opening is arranged on the partition plate, so that when the detecting mechanism detects the plane where the diamond workpiece is located before machining, the detection part can enter the first space from the opening to detect the plane where the diamond workpiece is located.

[0011] In order to enable the detecting mechanism to partially pass through the opening to enter the first space to detect the plane where the diamond workpiece is located, preferably, the detecting mechanism comprises a probe and a driving part acting on the probe, and the driving part can drive the probe to move downward through the opening and contact the workpiece to be machined to detect the plane where the workpiece to be machined is located. The probe can move downward under the driving of the driving part and contact the detection point on the workpiece to be machined, so as to realize the detection of the plane where the workpiece to be machined is located.

[0012] In order to enable the probe to detect any detection point on the workpiece to be machined, preferably, the workbench further comprises a moving mechanism acting on the clamp assembly and / or the detecting mechanism, and comprising an X-axis module capable of moving along the X-axis, a Y-axis module capable of moving along the Y-axis, and a Z-axis module capable of moving along the Z-axis, so as to realize that the probe can touch any detection point on the workpiece to be machined, and can detect the plane where the workpiece to be machined is located according to at least three non-collinear detection points. In this way, when the probe touches three non-collinear detection points on the workpiece to be machined, the plane where the workpiece to be machined is located can be determined, and if the plane is not in the XY plane, the controller can control the rotating mechanism to drive the clamp assembly to rotate according to the angle of deviation of the plane where the workpiece to be machined is located from the XY plane, and then the plane where the workpiece to be machined is located is detected again by the probe after rotation. After repeating several times, the plane where the workpiece to be machined is located can be in the XY plane, and the leveling of the rotating mechanism is completed.

[0013] In order to process the three-dimensional blank, preferably, the second space is also provided with a laser, which is directed towards the clamp assembly, and the laser emitted can pass through the opening into the first space and act on the blank to be processed, and the moving mechanism can act on the laser and drive the laser to move on the workbench.

[0014] In order to clamp the blank to be processed during the operation, preferably, the clamp assembly comprises:

[0015] The bottom plate is centrally provided with a first central hole for exposing the bottom surface of the blank to be processed, and the hole wall of the first central hole is at least partially protruded into the first central hole to form a first limiting block;

[0016] The fixed plate is located above the bottom plate and is connected to the bottom plate by means of a fixing screw, and the fixed plate is centrally provided with a second central hole, and the fixed plate is connected to the rotating mechanism;

[0017] The cover plate is located above the fixed plate and is detachably connected to the fixed plate by means of a connecting piece, and the cover plate is centrally provided with a third central hole for exposing the top surface of the blank to be processed, and the hole wall of the third central hole is at least partially protruded into the central hole to form a second limiting block;

[0018] The clamping plate is used for clamping the blank to be processed and is located in the second central hole, and the clamping plate is centrally provided with a fourth central hole for exposing both processing surfaces of the blank to be processed and is limited between the first limiting block and the second limiting block to limit the movement of the clamping plate in the vertical direction, and the bottom of the clamping plate extends inwardly to form an annular step for positioning the placement position of the blank to be processed.

[0019] The first limiting block and the second limiting block limit the clamping plate between the bottom plate and the cover plate, and the fixed plate forms a space between the bottom plate and the cover plate for placing the clamping plate, and the fixed plate is connected to the rotating mechanism, which can realize the overturning of the clamp assembly under the driving of the rotating mechanism, and the annular step on the clamping plate can position the placement position of the blank to be processed, so that the position of the blank to be processed in the Z-axis direction remains constant each time the blank to be processed is placed.

[0020] In order to facilitate the installation and removal of the cover plate, preferably, the connecting piece is a magnet provided on the fixed plate, and the cover plate is a magnetic piece and can be magnetically attracted to the fixed plate. The magnetic attraction mode facilitates the removal of the cover plate from the fixed plate, thereby facilitating the loading and unloading of the blank to be processed. Of course, the connection mode can also adopt buckle connection or screw connection mode.

[0021] In order to position the installation position of the cover plate, preferably, the clamp assembly further comprises at least two positioning screws, the first screw hole is arranged on the fixed plate, the second screw hole is arranged on the cover plate, the positioning screw passes through the second screw hole and can position the first screw hole, so as to position the installation position of the cover plate. The positioning screw can adjust the level of the cover plate, and the arrangement of the positioning screw can make the connection of the cover plate and the fixed plate more firm, so as to avoid the position deviation of the cover plate due to the rotation of the rotating mechanism.

[0022] Compared with the prior art, the diamond laser processing equipment has the advantages that: the detection mechanism can detect the plane of the blank to be processed clamped on the clamp module, the controller is connected with the detection mechanism, the A-axis module and the B-axis module, and when the plane of the blank to be processed is not in the XY plane, the controller can control the A-axis module and / or the B-axis module to drive the clamp module to rotate according to the deflection angle between the plane of the blank to be processed and the XY plane, so that the plane of the blank to be processed is finally in the XY plane, thereby realizing automatic adjustment of the plane of the blank to be processed, avoiding the deflection angle between the plane of the blank to be processed and the XY plane, and improving the yield of processing. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural schematic view of the embodiment of the utility model;

[0024] Figure 2 It is a structural schematic view of the workbench in the embodiment of the utility model;

[0025] Figure 3 It is a structural schematic view of another perspective of the workbench in the embodiment of the utility model;

[0026] Figure 4 It is Figure 3 It is an enlarged view of the part in the middle;

[0027] Figure 5 It is a structural schematic view of the rotating mechanism and the clamp assembly in the embodiment of the utility model;

[0028] Figure 6 It is a top view of the clamp assembly in the embodiment of the utility model;

[0029] Figure 7 It is Figure 6 It is a sectional view of C-C in the middle;

[0030] Figure 8 It is an exploded view of the clamp assembly in the embodiment of the utility model;

[0031] Figure 9 It is a structural schematic view of the clamping plate in the embodiment of the utility model. DETAILED DESCRIPTION

[0032] The utility model will be described in further detail below in combination with the drawings.

[0033] As Figures 1-9 shown, it is a preferred embodiment of the utility model. The diamond laser processing equipment of this embodiment includes a workbench 1, the workbench 1 is provided with a partition plate 11, the partition plate 11 divides the workbench 1 into a first space 1a between the partition plate 11 and the tabletop of the workbench 1 and a second space 1b above the first space 1a, wherein the first space 1a is provided with a clamp assembly 2 and a rotating mechanism 3, and the second space 1b is provided with a detection mechanism 4 and a laser 5.

[0034] The rotating mechanism 3 acts on the clamp assembly 2, and the rotating mechanism 3 includes an A-axis module 31 capable of driving the clamp assembly 2 to rotate around the X-axis of the workbench 1 and a B-axis module 32 capable of driving the clamp assembly 2 to rotate around the Y-axis of the workbench 1. Figure 5 As

[0035] The clamp assembly 2 and the tabletop of the workbench 1 maintain a predetermined distance, as Figures 6-8As shown, the clamp assembly 2 comprises a base plate 21, a fixed plate 22, a cover plate 24 and a clamping plate 26 for clamping the workpiece D. The base plate 21 is centrally provided with a first central hole 211 for exposing the bottom surface of the workpiece D, and the hole wall portion of the first central hole 211 is protruded into the central hole to form a first limiting block 212. The fixed plate 22 is located above the base plate 21 and connected with the base plate 21 by means of a fixing screw 23, and is centrally provided with a second central hole 221. The fixed plate 22 is connected with the rotating mechanism 3, and the two sides of the fixed plate 22 are provided with connecting portions 223 connected with the first pivot 312 and the second pivot 313 of the A-axis module 31 respectively. The connecting portion 223 has an axle hole 224 for inserting the first pivot 312 or the second pivot 313, and can realize the overturning of the clamp assembly 2 under the driving of the A-axis module 31 and the B-axis module 32. The cover plate 24 is located above the fixed plate 22 and detachably connected with the fixed plate 22 by means of a connecting piece 25, and the central portion of the cover plate 24 is provided with a third central hole 241 for exposing the top surface of the workpiece D. The hole wall portion of the third central hole 241 is protruded into the central hole to form a second limiting block 242. In this embodiment, the connecting piece 25 is a magnet provided on the fixed plate 22, and the cover plate 24 is a magnetic piece and can be magnetically attracted to the fixed plate 22. In this embodiment, the clamp assembly 2 further comprises four positioning screws 27, which are centrally symmetrically distributed. The fixed plate 22 is provided with four first screw holes 222, and the corresponding positions of the cover plate 24 are provided with four second screw holes 243. The positioning screw 27 passes through the second screw hole 243 and can position the first screw hole 222, so as to position the installation position of the cover plate 24. At the same time, the arrangement of the positioning screw 27 can make the connection of the cover plate 24 and the fixed plate 22 more firm, and avoid the position deviation of the cover plate 24 due to the rotation of the rotating mechanism 3. The clamping plate 26 is located in the second central hole 221 and is limited between the first limiting block 212 and the second limiting block 242 to limit the movement of the clamping plate 26 in the vertical direction. The clamping plate 26 is provided with a plurality of fastening screws 28 for fixing the workpiece D, as shown in the figure. Figure 9 As shown, the peripheral edge of the clamping plate 26 is provided with a plurality of third screw holes 263 for screwing the fastening screw 28. The fastening screw 28 passes through the third screw hole 263 and abuts against the workpiece D, so as to fix the workpiece D on the clamping plate 26. The bottom of the clamping plate 26 is inwardly extended to form an annular step 262. The annular step 262 can position the position of the workpiece D, so that the position of the workpiece D in the Z-axis direction is kept constant every time the workpiece D is placed. The central portion of the clamping plate 26 is provided with a fourth central hole 261 for exposing both processing surfaces of the workpiece D.

[0036] The detection mechanism 4 can detect the plane where the workpiece D is located, as shown in the figure. Figures 2-4As shown, the detection mechanism 4 comprises a measuring needle 41 and a driving part 42 acting on the measuring needle 41, the partition plate 11 is provided with an opening 12, and the driving part 42 can drive the measuring needle 41 to move downward through the opening 12 into the first space 1a and contact the workpiece D to detect the plane where the workpiece D is located. The workbench 1 further comprises a moving mechanism, which comprises an X-axis module 61 moving along the X-axis, a Y-axis module 62 moving along the Y-axis, and a Z-axis module 63 moving along the Z-axis. In this embodiment, the X-axis module 61 comprises an X-axis driving member and an X-axis connecting seat connected to the power output end of the X-axis driving member; the Z-axis module 63 comprises a Z-axis driving member provided on the X-axis connecting seat and a Z-axis connecting seat connected to the power output end of the Z-axis driving member, and the driving part 42 of the detection module comprises a guide rail 421 provided on the Z-axis connecting seat and parallel to the Z-axis, a driving part connecting seat 422 provided on the guide rail 421 and used for connecting the measuring needle 41, and a driving source 423 driving the driving part connecting seat 422 to move along the guide rail 421. In this way, the measuring needle 41 can move in the XZ plane under the action of the X-axis driving member and the Z-axis driving member, and further move downward along the guide rail 421 under the action of the driving source 423 of the driving part 42 to pass through the opening 12 into the first space 1a and detect the plane where the workpiece D is located. The Y-axis module 62 comprises a Y-axis driving member and a Y-axis connecting seat connected to the power output end of the Y-axis driving member, and the rotating mechanism 3 is provided on the Y-axis connecting seat and can drive the clamp assembly 2 to move along the Y-axis under the action of the Y-axis driving member, so that the measuring needle 41 can detect any detection point on the workpiece, and can detect the plane where the workpiece D is located according to three non-collinear detection points.

[0037] The laser 5 is also provided on the Z-axis connecting seat and can move in the XZ plane under the action of the X-axis driving member and the Z-axis driving member. The laser 5 faces the clamp assembly 2, and the emitted laser can pass through the opening 12 into the first space 1a and act on the workpiece D.

[0038] The diamond laser processing equipment further comprises a controller connected to the detection mechanism 4, the A-axis module 31 and the B-axis module 32, and configured to: determine whether the plane where the workpiece D is located is the XY plane according to the detection result of the detection mechanism 4, and control the A-axis module 31 and / or the B-axis module 32 to drive the clamp assembly 2 to rotate, so that the plane where the workpiece D is located is in the XY plane.

[0039] The diamond laser processing equipment automatically adjusts the plane where the workpiece D is located in the following manner:

[0040] a. Clamping the workpiece D on the clamping plate 26;

[0041] b. The probe 41 moves to contact three non-collinear points on the workpiece D to determine the plane of the workpiece D and determine whether the plane is the XY plane;

[0042] c. If the plane in step b is not the XY plane, the A-axis module 31 or the B-axis module is controlled to rotate the fixture assembly 2 according to the angle between the plane and the XY plane;

[0043] d. Steps b and c are repeated until the plane of the workpiece D is the XY plane.

Claims

1. A diamond laser processing device, comprising a workbench (1), wherein the workbench (1) is provided with: A clamp assembly (2) for clamping a blank (D) to be processed, wherein the clamp assembly (2) maintains a preset distance from the table surface of the workbench (1); The rotating mechanism (3) acts on the fixture assembly (2), and includes an A-axis module (31) capable of driving the fixture assembly (2) to rotate around the X-axis of the workbench (1), and a B-axis module (32) capable of driving the fixture assembly (2) to rotate around the Y-axis of the workbench (1); characterized in that: The workbench (1) also includes: A detection mechanism (4) is provided on the fixture assembly (2) and is used to detect the plane where the blank (D) to be processed is located; The controller is connected to the detection mechanism (4), the A-axis module (31) and the B-axis module (32), and is configured to: determine whether the plane where the blank (D) to be processed is located is the XY plane based on the detection result of the detection mechanism (4), and control the A-axis module (31) and / or the B-axis module (32) to drive the fixture assembly (2) to rotate so that the plane where the blank (D) to be processed is located is in the XY plane.

2. The diamond laser processing equipment according to claim 1, characterized in that: The workbench (1) is further provided with a partition plate (11), the partition plate (11) dividing the workbench (1) into a first space (1a) located between the partition plate (11) and the table top of the workbench (1), and a second space (1b) located above the first space (1a); the clamp assembly (2) and the rotating mechanism (3) are located in the first space (1a), and the detection mechanism (4) is located in the second space (1b); an opening (12) is provided on the partition plate (11), and the detection mechanism (4) can at least partially pass through the opening (12) to enter the first space (1a).

3. The diamond laser processing equipment according to claim 2, characterized in that: The detection mechanism (4) comprises a stylus (41) and a driving portion (42) acting on the stylus (41), wherein the driving portion (42) can drive the stylus (41) to move downward through the opening (12) and contact the workpiece (D) to be processed so as to detect the plane on which the workpiece (D) is located.

4. The diamond laser processing equipment according to claim 3, characterized in that: The workbench (1) further comprises a moving mechanism (6), which acts on the fixture assembly (2) and / or the detection mechanism (4) and comprises an X-axis module (61) movable along the X-axis, a Y-axis module (62) movable along the Y-axis, and a Z-axis module (63) movable along the Z-axis, thereby achieving: the measuring needle (41) can touch any detection point on the workpiece (D) to be processed, and can detect the plane on which the workpiece (D) to be processed is located based on at least three non-collinear detection points.

5. The diamond laser processing equipment according to claim 4, characterized in that: A laser (5) is also provided in the second space (1b). The laser (5) faces the fixture assembly (2). The laser light emitted by the laser (5) can pass through the opening (12) into the first space (1a) and act on the blank (D) to be processed. The moving mechanism (6) can act on the laser (5) and drive the laser (5) to move on the workbench (1).

6. The diamond laser processing equipment according to any one of claims 1 to 5, characterized in that: The clamp assembly (2) comprises: A bottom plate (21) is provided with a first central hole (211) in the center for exposing the bottom surface of the blank (D) to be processed, and a hole wall of the first central hole (211) is at least partially protruded into the first central hole (211) to form a first limiting block (212); a fixed plate (22) located on the bottom plate (21) and connected to the bottom plate (21) by means of fixing screws (23); a second central hole (221) is provided in the center of the fixed plate (22); and the fixed plate (22) is connected to the rotating mechanism (3); a cover plate (24) located on the fixing plate (22) and detachably connected to the fixing plate (22) by means of a connecting member (25); a third central hole (241) is provided at the center of the cover plate (24) for exposing the top surface of the blank (D) to be processed; a hole wall of the third central hole (241) at least partially protrudes into the central hole to form a second limiting block (242); A clamping plate (26) for clamping the workpiece (D) to be processed is located in the second central hole (221). A fourth central hole (261) is provided in the center of the clamping plate (26) for exposing both processing surfaces of the workpiece (D) to be processed, and is limited between the first limit block (212) and the second limit block (242) to limit the movement of the clamping plate (26) in the vertical direction. The bottom of the clamping plate (26) extends inward to form an annular step (262) for locating the placement position of the workpiece (D) to be processed.

7. The diamond laser processing equipment according to claim 6, characterized in that: The connecting member (25) is a magnet provided on the fixing plate (22), and the cover plate (24) is a magnetic member capable of being magnetically attracted to the fixing plate (22).

8. The diamond laser processing equipment according to claim 7, characterized in that: The clamp assembly (2) further includes at least two positioning screws (27), a first screw hole (222) is provided on the fixing plate (22), a second screw hole (243) is provided on the cover plate (24), and the positioning screw (27) passes through the second screw hole (243) and can position the first screw hole (222), thereby positioning the installation position of the cover plate (24).

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