Mobile fixing device and fixing method based on diamond wire cutting of sapphire substrate

Abstract

The present invention discloses a mobile fixing device based on diamond wire cutting of sapphire substrate and a fixing method thereof, and relates to the field of the technology of fixing and moving sapphire substrate diamond wire cutting, in order to solve the problem that the existing sapphire substrate needs to be moved and adjusted individually when it is fixed by diamond wire cutting, and the installation and disassembly is time-consuming and labor-intensive, and the flexibility is poor. Support legs are provided at the lower corners of the mounting base; it also includes: a rotating cavity, which is provided on one side of the mounting base, and the rotating cavity is in the form of three-sided openings, and the upper and lower openings pass through the mounting base; a fixed platform, which is provided inside the rotating cavity, and the fixed platform includes a rotating sleeve and a square plate fixed outside the center of the rotating sleeve, and the square plate is welded and fixed to the rotating sleeve; a fixed frame, which is provided on the four surfaces of the square plate, and the fixed frame is welded and fixed to the square plate, and a fixing groove is provided inside one end of the fixed frame, and the fixing groove is in the form of three-sided openings.

Description

Technical Field

[0001] The invention relates to the technical field of fixing and moving sapphire substrate diamond wire cutting, in particular to a moving and fixing device based on sapphire substrate diamond wire cutting and a fixing method thereof. Background Art

[0002] Sapphire substrates are mainly used to make LED chips. The production technology of sapphire substrates is mature and the device quality is good. Secondly, sapphire has good stability and can be used in high-temperature growth processes. Finally, sapphire has high mechanical strength and is easy to handle and clean. During processing, large pieces of sapphire substrates will be cut into the required shape and size using diamond wire cutting.

[0003] For example, the Chinese authorized patent with announcement number CN213816082U (device for cutting sapphire wafer substrate for LED): includes a feed port at the top left side of the body; a feed elevator is provided at the feed port; a feed conveyor is provided below the feed elevator; a positioning frame is provided at the end of the feed conveyor; a suction cup is provided above the positioning frame; the suction cup is provided at the bottom of the cutting bracket; the cutting bracket is provided on the bracket base; the bracket base is provided on the cutting slide rail; a cutter rotating circle is provided in the middle of the cutting bracket; the cutter rotating circle is a ring structure; the cutter rotating circle is connected to the laser cutter through the cutter rotating shaft; a waste box is provided below the suction cup; a discharge conveyor is provided on the right side of the waste box; the discharge conveyor is connected to the discharge elevator; a discharge port is provided on the top of the discharge elevator; a controller is provided in the body to solve the problem of high efficiency and low efficiency in sapphire wafer backing paper processing.

[0004] The existing sapphire substrate needs to be moved and adjusted individually when it is fixed by diamond wire cutting. The installation and removal are time-consuming and labor-intensive, and the flexibility is poor. Therefore, we provide a moving and fixing device based on diamond wire cutting of sapphire substrate and a fixing method thereof. Summary of the invention

[0005] The purpose of the present invention is to provide a mobile fixing device and a fixing method based on diamond wire cutting of sapphire substrates, so as to solve the problems proposed in the above background technology that the existing sapphire substrates need to be moved and adjusted individually when fixed by diamond wire cutting, and the installation and disassembly are time-consuming and labor-intensive, and the flexibility is poor.

[0006] To achieve the above object, the present invention provides the following technical solution: a mobile fixing device based on diamond wire cutting of sapphire substrate, comprising a mounting base, wherein the lower corners of the mounting base are provided with support legs;

[0007] Also includes:

[0008] A rotating cavity is arranged on one side of the mounting base, and the rotating cavity is in the form of openings on three sides, with upper and lower openings penetrating the mounting base;

[0009] A fixed platform is arranged inside the rotating cavity, and the fixed platform includes a rotating sleeve and a square plate fixed outside the center of the rotating sleeve, and the square plate is welded and fixed to the rotating sleeve;

[0010] A fixing frame is arranged on the four surfaces of the square plate, and the fixing frame is fixed to the square plate by welding, a fixing groove is arranged inside one end of the fixing frame, and the fixing groove is open on three sides, and a fixing knob for squeezing and fixing the sapphire substrate is arranged on one side of the fixing frame;

[0011] The first rotating shaft is arranged inside one end of the rotating sleeve, and the other end of the rotating sleeve is provided with a second rotating shaft, and the two ends of the rotating sleeve rotate with the first rotating shaft and the second rotating shaft respectively through external bearings.

[0012] Preferably, a first mounting frame is welded to one end of the first rotating shaft, and a ball screw slide rail is provided at the lower end of the first mounting frame to drive the first mounting frame to move laterally, and the ball screw slide rail is composed of a servo motor, a ball screw and a screw moving seat, and the first mounting frame is threadedly fixed to the screw moving seat of the ball screw slide rail by a first fixing bolt.

[0013] Preferably, a movable frame is welded on the upper surface of the first mounting frame, a motor seat is arranged on the upper end of the movable frame, a first motor is arranged on the upper end of the motor seat, a belt groove is arranged on the outer wall of one end of the rotating sleeve, and the output end of the first motor is connected to the belt groove through a timing belt.

[0014] Preferably, a second mounting frame is welded on one end surface of the second rotating shaft, a sliding seat is provided at the lower end of the second mounting frame, and the second mounting frame is threadedly fixed to the sliding seat by a second fixing bolt, a T-shaped sliding frame is provided at the lower end of the sliding seat, and a sliding groove moving along the T-shaped sliding frame is provided on the lower surface of the sliding seat.

[0015] Preferably, a first movable groove is provided on one side of the rotating cavity, and a side of the first movable groove in contact with the rotating cavity is open, and the T-shaped sliding frame, the sliding seat and the second mounting frame are located in the first movable groove.

[0016] Preferably, a second movable groove is provided on the other side of the rotating cavity, and the side of the second movable groove in contact with the rotating cavity is in an open form, the ball screw slide rail and the first mounting frame are located inside the second movable groove, and the inner top surface of the second movable groove is provided with a through groove for movement of the movable frame.

[0017] Preferably, an electric push rod is provided at the upper end of the mounting base in the direction of the first movable groove, a connecting ear seat is provided at one end of the electric push rod, a rotating arm of a rotating structure is provided inside the connecting ear seat, a limited position seat is welded at the top end of the rotating arm, and a second motor that drives the rotating arm to rotate is provided on one side of the connecting ear seat.

[0018] Preferably, a material collection box is provided below the rotating cavity, directional handles are provided on both sides of the material collection box, and the directional handles are welded and fixed to the material collection box, and directional grooves are provided on the inner walls of the supporting legs, and the directional handles move along the directional grooves.

[0019] Preferably, an upper end surface on the other side of the mounting base is provided with a mounting hole plate for fixing an external diamond wire cutting machine, and the mounting hole plate is fixed to the mounting base by external bolts.

[0020] Preferably, a fixing method of a mobile fixing device based on diamond wire cutting of a sapphire substrate comprises the following steps:

[0021] Step 1: Place the sapphire substrate of the same specification to be cut in the fixing groove of the fixing frame, tighten the fixing knob to squeeze and fix the sapphire substrate, fix four sapphire substrates in the four fixing grooves in the same way, and install the diamond wire cutting machine on the mounting hole plate;

[0022] Step 2: Start the diamond wire cutting machine, and start the first motor to drive the fixed table to rotate, and at the same time start the ball screw slide rail to drive the fixed table to move towards the diamond wire cutting machine. The fixed table also rotates while moving;

[0023] Step 3: After the sapphire substrate contacts the diamond wire of the diamond wire cutting machine, the sapphire substrate is cut;

[0024] Step 4: When cutting sapphire substrates of different specifications, start the first motor to drive the fixed table to rotate, align one of the fixed frames horizontally and vertically with the diamond wire of the diamond wire cutting machine, then start the electric push rod to drive the rotating arm to move to the position between the two fixed frames, and then start the second motor to drive the rotating arm to rotate to the position between the two fixed frames, so that the two sides of the limit seat are respectively in contact with the two sides of the two fixed frames, and then start the electric push rod and the ball screw slide rail synchronously to drive the fixed table to move, and use the diamond wire cutting machine to cut the sapphire substrate;

[0025] Step 5: After cutting, loosen the fixing knob, the sapphire substrate falls into the collection box for collection, and then repeat the operation.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] 1. The present invention provides a rotatable fixed platform inside a rotating cavity, wherein the fixed platform is composed of a square plate, a fixed frame, a rotating sleeve, a first rotating shaft and a second rotating shaft. The two ends of the rotating sleeve rotate with the first rotating shaft and the second rotating shaft respectively through external bearings. A first mounting frame is welded on one end of the first rotating shaft, and a ball screw slide rail is provided at the lower end of the first mounting frame to drive the first mounting frame to move horizontally. A second mounting frame is welded on the surface of one end of the second rotating shaft, and a sliding seat is provided at the lower end of the second mounting frame. The sliding seat slides along the T-shaped sliding frame through a sliding groove to achieve a directional stabilization effect. A sapphire substrate of the same specification to be cut is placed inside the fixed groove of the fixed frame, squeezed and fixed by a fixing knob, the diamond wire cutting machine is started, and the first motor is started to drive the fixed platform to rotate, and the ball screw slide rail is started at the same time to drive the fixed platform to move toward the diamond wire cutting machine. The fixed table moves in the direction of rotation while moving, so that multiple sapphire substrates can be cut at one time by rotating, without replacing and installing one by one, which saves time and effort and improves cutting efficiency. When cutting sapphire substrates of different specifications, the first motor is started to drive the fixed table to rotate, and one of the fixed frames is aligned horizontally and vertically with the diamond wire of the diamond wire cutting machine, and then the electric push rod is started to drive the rotating arm to move to the position between the two fixed frames, and then the second motor is started to drive the rotating arm to rotate to the position between the two fixed frames, so that the two sides of the limit seat are respectively in contact with the two sides of the two fixed frames, so as to avoid the fixed table from rotating under force, and play a limiting effect, thereby ensuring normal cutting operation, and then the electric push rod and the ball screw slide are started synchronously to drive the fixed table to move, and the sapphire substrate is cut by the diamond wire cutting machine.

[0028] 2. By setting directional grooves on the inner walls of the supporting legs and directional handles on both sides of the aggregate box, when installing the aggregate box, the directional handles are inserted along the directional grooves, thereby limiting the aggregate box and preventing the sapphire substrate from falling to the ground and being damaged due to position offset when placing it. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0030] Figure 2 It is a schematic diagram of the overall rear view structure of the present invention;

[0031] Figure 3 It is a schematic diagram of the structure of the fixing platform of the present invention;

[0032] Figure 4 It is a rear view schematic diagram of the fixing platform of the present invention;

[0033] Figure 5 It is a schematic diagram of the position structure of the moving frame and the first motor of the present invention;

[0034] In the figure: 1. mounting base; 2. supporting leg; 3. rotating cavity; 4. first moving groove; 5. second moving groove; 6. through groove; 7. fixed platform; 8. electric push rod; 9. connecting ear seat; 10. rotating arm; 11. limit seat; 12. T-shaped sliding frame; 13. collecting box; 14. directional groove; 15. directional handle; 16. first motor; 17. mounting hole plate; 18. second motor; 19. ball screw slide; 20. square plate; 21. fixed frame; 22. fixed groove; 23. fixed knob; 24. rotating sleeve; 25. belt groove; 26. first rotating shaft; 27. first mounting frame; 28. first fixing bolt; 29. ​​moving frame; 30. second rotating shaft; 31. second mounting frame; 32. second fixing bolt; 33. sliding seat; 34. sliding groove; 35. motor seat. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0036] See also Figure 1-5 , an embodiment provided by the present invention: a mobile fixing device based on diamond wire cutting of sapphire substrate, comprising a mounting base 1, and support legs 2 are arranged at the lower corners of the mounting base 1;

[0037] Also includes:

[0038] The rotating cavity 3 is arranged on one side of the mounting base 1, and the rotating cavity 3 is in the form of openings on three sides, and the upper and lower openings penetrate the mounting base 1. The upper end surface of the other side of the mounting base 1 is provided with a mounting hole plate 17 for fixing an external diamond wire cutting machine, and the mounting hole plate 17 is fixed to the mounting base 1 by external bolts;

[0039] The fixed platform 7 is arranged inside the rotating cavity 3, and the fixed platform 7 includes a rotating sleeve 24 and a square plate 20 fixed outside the center of the rotating sleeve 24, and the square plate 20 is welded and fixed to the rotating sleeve 24;

[0040] A fixing frame 21 is arranged on the four surfaces of the square plate 20, and the fixing frame 21 is fixed to the square plate 20 by welding. A fixing groove 22 is arranged inside one end of the fixing frame 21, and the fixing groove 22 is open on three sides. A fixing knob 23 for squeezing and fixing the sapphire substrate is arranged on one side of the fixing frame 21;

[0041] The first rotating shaft 26 is disposed inside one end of the rotating sleeve 24 , and the second rotating shaft 30 is disposed at the other end of the rotating sleeve 24 . Both ends of the rotating sleeve 24 rotate with the first rotating shaft 26 and the second rotating shaft 30 respectively through external bearings.

[0042] Place sapphire substrates of the same specification that need to be cut inside the fixing groove 22 of the fixing frame 21, squeeze and fix them by the fixing knob 23, start the diamond wire cutting machine, and start the first motor 16 to drive the fixing table 7 to rotate. At the same time, start the ball screw slide 19 to drive the fixing table 7 to move toward the diamond wire cutting machine. The fixing table 7 rotates while moving, so that multiple sapphire substrates can be cut at one time by rotation, without replacing and installing one by one, saving time and effort and improving cutting efficiency.

[0043] See also Figure 1-4 A first mounting frame 27 is welded to one end of the first rotating shaft 26, and a ball screw guide rail 19 is provided at the lower end of the first mounting frame 27 to drive the first mounting frame 27 to move horizontally, and the ball screw guide rail 19 is composed of a servo motor, a ball screw and a screw moving seat. The first mounting frame 27 is threadedly fixed to the screw moving seat of the ball screw guide rail 19 by a first fixing bolt 28, and a moving frame 29 is welded to the upper surface of the first mounting frame 27, and a motor seat 35 is provided at the upper end of the moving frame 29, and the upper end of the motor seat 35 A first motor 16 is provided, a belt groove 25 is provided on the outer wall of one end of the rotating sleeve 24, and the output end of the first motor 16 is connected to the belt groove 25 through a timing belt, a second mounting frame 31 is welded on one end surface of the second rotating shaft 30, a sliding seat 33 is provided at the lower end of the second mounting frame 31, and the second mounting frame 31 is threadedly fixed to the sliding seat 33 by a second fixing bolt 32, a T-shaped sliding frame 12 is provided at the lower end of the sliding seat 33, and a lower surface of the sliding seat 33 is provided along the T-shaped sliding frame 12 A movable sliding groove 34 is provided on one side of the rotating cavity 3, and the first movable groove 4 is provided on the side where the first movable groove 4 contacts the rotating cavity 3 in an open form, the T-shaped sliding frame 12, the sliding seat 33 and the second mounting frame 31 are located in the first movable groove 4, and a second movable groove 5 is provided on the other side of the rotating cavity 3, and the second movable groove 5 is provided on the side where the second movable groove 5 contacts the rotating cavity 3 in an open form, the ball screw guide rail 19 and the first mounting frame 27 are located inside the second movable groove 5, and the inner top surface of the second movable groove 5 is provided with a movable frame 29 for moving The movable through groove 6, the two ends of the rotating sleeve 24 rotate with the first rotating shaft 26 and the second rotating shaft 30 respectively through external bearings, one end of the first rotating shaft 26 is welded with a first mounting frame 27, the lower end of the first mounting frame 27 is provided with a ball screw guide 19 for driving the first mounting frame 27 to move horizontally, one end surface of the second rotating shaft 30 is welded with a second mounting frame 31, the lower end of the second mounting frame 31 is provided with a sliding seat 33, the sliding seat 33 slides along the T-shaped sliding frame 12 through the sliding groove 34, so as to achieve a directional stabilization effect.

[0044] See also Figure 1 , 2An electric push rod 8 is provided at the upper end of the mounting base 1 in the direction of the first moving groove 4, and a connecting ear seat 9 is provided at one end of the electric push rod 8. A rotating arm 10 of a rotating structure is provided inside the connecting ear seat 9, and a limiting seat 11 is welded at the top of the rotating arm 10. A second motor 18 that drives the rotating arm 10 to rotate is provided on one side of the connecting ear seat 9. The electric push rod 8 is then started to drive the rotating arm 10 to move to a position between the two fixed frames 21, and then the second motor 18 is started to drive the rotating arm 10 to rotate to a position between the two fixed frames 21, so that the two sides of the limiting seat 11 are respectively in contact with the two sides of the two fixed frames 21, so as to prevent the fixed table 7 from rotating under force, thereby achieving a limiting effect and ensuring normal cutting operation.

[0045] See also Figure 1 , 2 A material collection box 13 is arranged below the rotating cavity 3, and directional handles 15 are arranged on both sides of the material collection box 13, and the directional handles 15 are welded and fixed to the material collection box 13. An directional groove 14 is arranged on the inner wall of the supporting leg 2, and the directional handle 15 moves along the directional groove 14, and the directional handle 15 is inserted along the directional groove 14, thereby limiting the material collection box 13, thereby preventing the sapphire substrate from falling to the ground and being damaged due to position offset when placed.

[0046] See also Figure 1-5 A fixing method of a mobile fixing device based on diamond wire cutting of a sapphire substrate comprises the following steps:

[0047] Step 1: Place the sapphire substrate of the same specification to be cut in the fixing groove 22 of the fixing frame 21, tighten the fixing knob 23 to squeeze and fix the sapphire substrate, fix four sapphire substrates in the four fixing grooves 22 in the same way, and install the diamond wire cutting machine on the mounting hole plate 17;

[0048] Step 2: Start the diamond wire cutting machine, and start the first motor 16 to drive the fixed platform 7 to rotate, and at the same time start the ball screw guide 19 to drive the fixed platform 7 to move toward the diamond wire cutting machine. The fixed platform 7 also rotates while moving;

[0049] Step 3: After the sapphire substrate contacts the diamond wire of the diamond wire cutting machine, the sapphire substrate is cut;

[0050] Step 4: When cutting sapphire substrates of different specifications, start the first motor 16 to drive the fixed table 7 to rotate, align one of the fixed frames 21 horizontally and vertically with the diamond wire of the diamond wire cutting machine, then start the electric push rod 8 to drive the rotating arm 10 to move to the position between the two fixed frames 21, and then start the second motor 18 to drive the rotating arm 10 to rotate to the position between the two fixed frames 21, so that the two sides of the limit seat 11 are respectively in contact with the two sides of the two fixed frames 21, and then synchronously start the electric push rod 8 and the ball screw slide 19 to drive the fixed table 7 to move, and use the diamond wire cutting machine to cut the sapphire substrate;

[0051] Step 5: After cutting, loosen the fixing knob 23, and the sapphire substrate falls into the collecting box 13 for collection, and then repeat the operation.

[0052] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A mobile fixing device based on diamond wire cutting of sapphire substrate, characterized in that: The invention comprises a mounting base (1), wherein the lower corners of the mounting base (1) are each provided with a supporting leg (2); a rotating cavity (3), which is arranged on one side of the mounting base (1), and the rotating cavity (3) is in the form of three-sided openings, and the upper and lower openings penetrate the mounting base (1); a fixing platform (7), which is arranged inside the rotating cavity (3), and the fixing platform (7) includes a rotating sleeve (24) and a square plate (20) fixed outside the center of the rotating sleeve (24), and the square plate (20) and the rotating sleeve (24) are welded and fixed; a fixing frame (21), which is arranged on the square plate (2 0), and the fixing frame (21) is welded and fixed to the square plate (20), one end of the fixing frame (21) is provided with a fixing groove (22) inside, and the fixing groove (22) is in the form of three-sided openings, and one side of the fixing frame (21) is provided with a fixing knob (23) for pressing and fixing the sapphire substrate; a first rotating shaft (26) is provided inside one end of the rotating sleeve (24), and the other end of the rotating sleeve (24) is provided with a second rotating shaft (30), and the two ends of the rotating sleeve (24) are respectively rotated with the first rotating shaft (26) and the second rotating shaft (30) through external bearings; A second mounting frame (31) is welded to one end surface of the second rotating shaft (30), a sliding seat (33) is provided at the lower end of the second mounting frame (31), and the second mounting frame (31) is threadedly fixed to the sliding seat (33) by a second fixing bolt (32), a T-shaped sliding frame (12) is provided at the lower end of the sliding seat (33), and a sliding groove (34) is provided on the lower surface of the sliding seat (33) for moving along the T-shaped sliding frame (12); A first movable groove (4) is provided on one side of the rotating cavity (3), and a side of the first movable groove (4) in contact with the rotating cavity (3) is in an open form, and the T-shaped sliding frame (12), the sliding seat (33) and the second mounting frame (31) are located in the first movable groove (4); An electric push rod (8) is arranged at the upper end of the mounting base (1) in the direction of the first moving groove (4), a connecting ear seat (9) is arranged at one end of the electric push rod (8), a rotating arm (10) of a rotating structure is arranged inside the connecting ear seat (9), a limiting seat (11) is welded at the top end of the rotating arm (10), and a second motor (18) for driving the rotating arm (10) to rotate is arranged on one side of the connecting ear seat (9); The upper end surface of the other side of the mounting base (1) is provided with a mounting hole plate (17) for fixing an external diamond wire cutting machine, and the mounting hole plate (17) is fixed to the mounting base (1) by external bolts; When cutting sapphire substrates of the same specification, four sapphire substrates are placed inside the fixing groove (22) of the fixing frame (21), the fixing knob (23) is tightened to squeeze and fix the sapphire substrates, and the diamond wire cutting machine is installed on the mounting hole plate (17); the diamond wire cutting machine is started, and the first motor (16) is started to drive the fixing table (7) to rotate, and the ball screw guide rail (19) is started to drive the fixing table (7) to move in the direction of the diamond wire cutting machine, and the fixing table (7) is also rotated while moving; after the sapphire substrate contacts the diamond wire of the diamond wire cutting machine, the sapphire substrate is cut; When cutting sapphire substrates of different specifications, the first motor (16) is started to drive the fixed platform (7) to rotate, one of the fixed frames (21) is aligned horizontally and vertically with the diamond wire of the diamond wire cutting machine, and then the electric push rod (8) is started to drive the rotating arm (10) to move to the position between the two fixed frames (21), and then the second motor (18) is started to drive the rotating arm (10) to rotate to the position between the two fixed frames (21), so that the two sides of the limit seat (11) are respectively in contact with the two sides of the two fixed frames (21), and then the electric push rod (8) and the ball screw slide rail (19) are synchronously started to drive the fixed platform (7) to move, and the sapphire substrate is cut using the diamond wire cutting machine.

2. The mobile fixing device based on diamond wire cutting of sapphire substrate according to claim 1 is characterized in that: A first mounting frame (27) is welded to one end of the first rotating shaft (26); a ball screw guide rail (19) is disposed at the lower end of the first mounting frame (27) for driving the first mounting frame (27) to move laterally; the ball screw guide rail (19) is composed of a servo motor, a ball screw and a screw moving seat; the first mounting frame (27) is threadedly fixed to the screw moving seat of the ball screw guide rail (19) by a first fixing bolt (28).

3. The mobile fixing device based on diamond wire cutting of sapphire substrate according to claim 2 is characterized in that: A movable frame (29) is welded to the upper surface of the first mounting frame (27), a motor seat (35) is arranged at the upper end of the movable frame (29), a first motor (16) is arranged at the upper end of the motor seat (35), a belt groove (25) is arranged on the outer wall of one end of the rotating sleeve (24), and an output end of the first motor (16) is connected to the belt groove (25) via a timing belt.

4. The mobile fixing device based on diamond wire cutting of sapphire substrate according to claim 3 is characterized in that: A second movable groove (5) is provided on the other side of the rotating cavity (3), and a side of the second movable groove (5) in contact with the rotating cavity (3) is in an open form, the ball screw guide rail (19) and the first mounting frame (27) are located inside the second movable groove (5), and a through groove (6) for movement of the movable frame (29) is provided on the inner top surface of the second movable groove (5).

5. The mobile fixing device based on diamond wire cutting of sapphire substrate according to claim 4, characterized in that: A material collection box (13) is arranged below the rotating cavity (3), and directional handles (15) are arranged on both sides of the material collection box (13), and the directional handles (15) are welded and fixed to the material collection box (13); an directional groove (14) is arranged on the inner wall of the supporting leg (2), and the directional handle (15) moves along the directional groove (14).

Images