Directional positioning clamp for metal single crystal cutting

Abstract

The utility model relates to a directional positioning clamp for metal single crystal cutting in the technical field of single crystal cutting, which comprises a base, an adjusting mechanism is arranged on a vertical plate of the base, and the adjusting mechanism is connected with a positioning clamp; the adjusting mechanism comprises a fixing disc and an adjusting disc, the fixing disc is fixed to the vertical plate, the center of the fixing disc is connected with the center of the adjusting disc through a universal joint, the adjusting disc is matched with a locking assembly, the locking assembly comprises a plurality of first screws, a plurality of first through holes are formed in the adjusting disc, one end of each first screw penetrates through the corresponding first through hole and then is connected with the fixing disc, and the other end of each first screw penetrates through the corresponding first through hole. The first screw rod is provided with two first locking nuts, the two first locking nuts are arranged on the two sides of the adjusting disc respectively, and the diameter of the first through hole is larger than the diameter of the first screw rod and smaller than the outer diameter of the first locking nuts. The crystal orientation cutting device is reasonable and simple in structure, low in cost, capable of achieving rapid and accurate crystal orientation positioning, suitable for single crystal materials of different sizes and shapes, and capable of improving the precision and efficiency of crystal orientation cutting.

Description

Technical Field

[0001] This utility model belongs to the field of single crystal cutting technology, specifically relating to a directional positioning fixture for cutting metal single crystals. Background Technology

[0002] Due to their anisotropic physical properties, single crystals of metal play an irreplaceable role in high-end manufacturing. To obtain single crystal materials with specific crystal orientations, precise orientation cutting of single crystal rods with known orientations is required. Existing cutting methods include manual cutting and cutting using automated equipment. Manual cutting often relies on manual positioning or simple clamps, which suffers from large positioning errors, a lack of precise adjustment mechanisms, and significant deviations in crystal orientation of the cut surface, affecting subsequent use. Furthermore, the clamps have poor versatility, typically only adapting to crystals of a certain size or geometry, limiting their applicability. Automated equipment cutting, on the other hand, suffers from high costs. Therefore, there is an urgent need for an orientation and positioning clamp for cutting single crystals of metal to solve the aforementioned technical problems. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of the existing technology by providing a directional positioning fixture for cutting single crystal metals, including a base. The base includes a vertical plate and a horizontal plate. The vertical plate is fixed to one end of the horizontal plate. The horizontal plate is provided with mounting holes. The vertical plate is provided with an adjustment mechanism, and the adjustment mechanism is connected to the positioning fixture.

[0004] The adjustment mechanism includes a fixed plate and an adjustment plate. The fixed plate is fixed to a vertical plate, and the center of the fixed plate is connected to the center of the adjustment plate through a universal joint. The adjustment plate is equipped with a locking assembly, which includes multiple screws. The adjustment plate has multiple through holes, each corresponding to a screw and located near the outer edge of the adjustment plate. One end of each screw passes through the corresponding through hole and connects to the fixed plate. Two locking nuts are provided on each screw, and the two locking nuts are respectively located on both sides of the adjustment plate. The diameter of each through hole is larger than the diameter of the screw but smaller than the outer diameter of the locking nut.

[0005] It should be noted that after the metal single crystal is clamped and fixed on the positioning fixture, the adjusting plate can be manually adjusted by loosening the first locking nut. Under the action of the universal joint, the tilt direction of the adjusting plate can be adjusted arbitrarily within the allowable range. When the metal single crystal is adjusted to the required angle, tighten all the first locking nuts to fix the adjusting plate, thus completing the adjustment of the metal single crystal. The operation is convenient, the adjustment range is large, and it is more flexible and efficient.

[0006] Preferably, the universal joint is a spherical universal joint.

[0007] Preferably, the positioning fixture includes a lower clamping plate and an upper clamping plate. The lower clamping plate is connected to an adjusting plate. The lower clamping plate is provided with a plurality of screw rods II, which are perpendicular to the lower clamping plate. The upper clamping plate is provided with through holes II corresponding to the screw rods II, through which the screw rods II pass. The screw rods II are provided with two locking nuts II, which are respectively located on both sides of the upper clamping plate. The diameter of the through holes II is larger than the diameter of the screw rods II and smaller than the outer diameter of the locking nuts II.

[0008] It should be noted that the metal single crystal to be cut is placed on the lower clamping plate, and the second locking nut is loosened so that the upper clamping plate moves onto the metal single crystal and contacts the metal single crystal to the maximum extent. Then, the second locking nut on the upper clamping plate is tightened. The upper and lower clamping plates fix and hold the metal single crystal in place, which is convenient for cutting.

[0009] Preferably, an elastic pad is fixed to the facing surfaces of both the lower and upper clamping plates. The elastic pad can be an anti-slip silicone pad or a wear-resistant rubber pad, etc.

[0010] Preferably, the clamping surface of the elastic pad can be set to V-shape, and the clamping surfaces of the two elastic pads 11 can also be flat. The V-shape setting can increase the contact area between the elastic pad and the metal single crystal, improve the anti-slip and clamping effect, and avoid crystal wear.

[0011] Preferably, the adjustment disk is equipped with a cross laser, which is used in conjunction with a grid paper. This assists in adjusting the orientation of the clamped metal single crystal and comparing its crystal direction. Through the combination of the cross laser and the grid paper, the position of the metal single crystal's movement and offset caused by the adjustment disk's deflection can be seen more intuitively and clearly, achieving angle calibration. The angle of offset can be calculated through relevant calculations, and it can be linked with X-ray diffraction data for precise cutting direction.

[0012] Preferably, the cross laser is fixed at the top of the adjustment disk.

[0013] Preferably, the positioning clamp is detachably connected to the adjusting plate via a connecting assembly. The connecting assembly includes a connecting cylinder and a connecting block. One end of the connecting cylinder is fixed to the adjusting plate, and the central axis of the connecting cylinder coincides with the central axis of the adjusting plate. The connecting block includes a cylindrical section that matches the connecting cylinder and a flat plate section that is fixedly connected to the cylindrical section. One end of the cylindrical section extends into the connecting cylinder and is fixed by a first fixing bolt. The flat plate section is detachably connected to the lower clamping plate by a second fixing bolt. This design facilitates flexible disassembly of the positioning clamp.

[0014] This invention also includes other components that enable the orientation and positioning fixture for cutting metal single crystals to function properly, such as the control components for the cutting machine, X-ray diffractometer, and cross laser, all of which are conventional techniques in the field. Furthermore, devices or components not specified in this invention, such as the cross laser, grid paper, cutting machine, and X-ray diffractometer, all employ conventional techniques and equipment in the field.

[0015] Working principle: Place the metal single crystal to be cut on the lower clamping plate, loosen the second locking nut, and move the upper clamping plate onto the metal single crystal to maximize its contact with the crystal. Then tighten the second locking nut on the upper clamping plate. The upper and lower clamping plates then securely hold the metal single crystal. Next, by loosening the first locking nut, manually adjust the adjusting disc. With the help of the universal joint, the adjusting disc can be adjusted within the allowable range to change its tilt direction. Once the metal single crystal is adjusted to the desired angle, tighten all the first locking nuts to fix the adjusting disc, thus completing the adjustment of the metal single crystal. It is easy to operate, has a large adjustment range, and is more flexible and efficient.

[0016] During the aforementioned adjustment process, the crosshair laser, in conjunction with the grid paper, allows the laser pointer to move across the grid paper as the adjustment disk deflects the metal crystal. This provides a clearer and more intuitive view of the position of the metal crystal's movement during the deflection of the adjustment disk, enabling angle calibration. The angle of deviation can be calculated using relevant calculations and can be linked with X-ray diffraction data for precise cutting direction. Rapid clamping and adjustment improve work efficiency and reduce human error.

[0017] This invention has the following advantages: it has a reasonable and simple structure, low cost, can achieve rapid and accurate crystal orientation positioning, and is applicable to single crystal materials of different sizes and shapes, thus improving the accuracy and efficiency of crystal orientation cutting. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Figure 1 This is a schematic diagram of the structure of a directional positioning fixture for cutting metal single crystals according to an embodiment of the present invention;

[0020] Figure 2 for Figure 1 Right view of the positioning fixture;

[0021] Figure 3 for Figure 1 A diagram showing the state of a crystal rod being cut after the positioning fixture has been adjusted to a certain angle.

[0022] Figure 4 for Figure 3 Left view of the grid paper.

[0023] In the diagram: 1. Base; 2. Fixing plate; 3. Universal joint; 4. Screw 1; 5. Locking nut 1; 6. Cross laser; 7. Connecting cylinder; 8. Connecting block; 9. Lower clamping plate; 10. Upper clamping plate; 11. Elastic washer; 12. Screw 2; 13. Locking nut 2; 14. Fixing bolt 1; 15. Metal single crystal; 16. Cutting wire; 17. Mesh paper. Detailed Implementation

[0024] The present invention will now be clearly described with reference to the accompanying drawings and specific embodiments. This description is merely for explaining the present invention and is not intended to limit it. Any modifications, equivalent substitutions, improvements, etc., made by those skilled in the art based on the embodiments of the present invention without inventive effort to obtain all other embodiments should be included within the protection scope of the present invention.

[0025] Example

[0026] like Figure 1-4 As shown, this utility model provides a directional positioning fixture for cutting single crystal metals, including a base 1. The base 1 includes a vertical plate and a horizontal plate. The vertical plate is fixed to one end of the horizontal plate. The horizontal plate is provided with mounting holes. The vertical plate is provided with an adjustment mechanism. The adjustment mechanism is connected to the positioning fixture.

[0027] The adjustment mechanism includes a fixed plate 2 and an adjustment plate. The fixed plate 2 is fixed on a vertical plate, and the center of the fixed plate 2 is connected to the center of the adjustment plate through a universal joint 3. The adjustment plate is equipped with a locking assembly, which includes multiple screws 4. The adjustment plate has multiple through holes, each corresponding to a screw 4 and located near the outer edge of the adjustment plate. One end of each screw 4 passes through the corresponding through hole and connects to the fixed plate 2. Two locking nuts 5 are provided on each screw 4, and the two locking nuts 5 are respectively located on both sides of the adjustment plate. The diameter of each through hole is larger than the diameter of the screw 4 and smaller than the outer diameter of the locking nut 5.

[0028] The universal joint 3 is a spherical universal joint.

[0029] The positioning clamp includes a lower clamping plate 9 and an upper clamping plate 10. The lower clamping plate 9 is connected to an adjusting plate. Multiple screws 12 are provided on the lower clamping plate 9, and the screws 12 are perpendicular to the lower clamping plate 9. The upper clamping plate 10 has through holes corresponding to the screws 12, through which the screws 12 pass. Two locking nuts 13 are provided on each screw 12, respectively located on both sides of the upper clamping plate 10. The through holes can be circular, with a diameter larger than the diameter of the screw 12 and smaller than the outer diameter of the locking nuts 13. Alternatively, the through holes can be strip-shaped, with a width smaller than the outer diameter of the locking nuts 13. This fixture is suitable for clamping metal single crystal rods of different diameters, lengths, and geometric shapes, and is highly versatile.

[0030] An elastic pad 11 is fixed on the opposing surfaces of the lower clamping plate 9 and the upper clamping plate 10. The elastic pad 11 can be an anti-slip silicone pad or a wear-resistant rubber pad, etc.

[0031] The clamping surfaces (i.e., the contact surfaces with the metal single crystal) of the two elastic pads 11 can be configured as V-shaped (e.g., Figure 2 As shown, the clamping surfaces of the two elastic pads 11 can also be flat. The V-shaped design increases the contact area between the elastic pads 11 and the metal single crystal 14, improving the anti-slip and clamping effect while preventing crystal wear and cracking.

[0032] The adjustment disk is equipped with a cross laser 6, which is used in conjunction with a grid paper 17. Through the cooperation of the cross laser 6 and the grid paper 17, the position of the metal single crystal 14 moved and offset when the adjustment disk is deflected can be seen more intuitively and clearly, realizing the angle calibration function. The angle of offset can be calculated through relevant calculations, and it can be linked with X-ray diffraction data to accurately cut the direction.

[0033] The cross laser 6 is fixed at the top of the adjustment disk.

[0034] The positioning clamp is detachably connected to the adjusting plate via a connecting assembly. The connecting assembly includes a connecting cylinder 7 and a connecting block 8. One end of the connecting cylinder 7 is fixed to the adjusting plate, and the central axis of the connecting cylinder 7 coincides with the central axis of the adjusting plate. The connecting block 8 includes a cylindrical section that matches the connecting cylinder 7 and a flat plate section that is fixedly connected to the cylindrical section. One end of the cylindrical section extends into the connecting cylinder 7 and is fixed by a fixing bolt 14. The flat plate section is detachably connected to the lower clamping plate 9 by a fixing bolt 2. This design facilitates the flexible disassembly and reassembly of the positioning clamp.

[0035] During operation, the orientation and positioning fixture for cutting the metal single crystal is fixed on the operating table (moving table) of the cutting machine via the base 1. The metal single crystal 14 to be cut is placed on the lower clamping plate 9. The second locking nut 13 is loosened, allowing the upper clamping plate 10 to move onto the metal single crystal 14 fixing bolt 15 and make maximum contact with the metal single crystal 14. Then, the second locking nut 13 above the upper clamping plate 10 is tightened, and the upper clamping plate 10 and the lower clamping plate 9 fix and hold the metal single crystal 14. Then, by loosening the first locking nut 5, the adjusting plate is manually adjusted. Under the action of the universal joint 3, the tilt direction of the adjusting plate can be adjusted arbitrarily within the allowable range. When the metal single crystal 14 is adjusted to the required angle, the first locking nuts 5 are tightened to fix the adjusting plate, thus completing the adjustment of the metal single crystal 14. The cutting blade (cutting wire 16) of the cutting machine cuts the metal single crystal 14.

[0036] During the above adjustment process, through the cooperation of the cross laser 6 and the grid paper 17, when the adjustment disk drives the metal crystal to deflect, the cursor of the cross laser 6 moves on the grid paper 17, which can more intuitively and clearly see the position of the metal single crystal 14 moving and deflecting when the adjustment disk deflects, thus realizing the angle calibration function. The angle of its deflection can be calculated through relevant calculations, and it can be linked with X-ray diffraction data to accurately cut the direction.

[0037] The embodiments of this utility model have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A directional positioning fixture for cutting single crystal metals, comprising a base, the base including a vertical plate and a horizontal plate, the vertical plate being fixed to one end of the horizontal plate, and the horizontal plate having mounting holes, characterized in that: The vertical plate is provided with an adjustment mechanism, and the adjustment mechanism is connected to a positioning clamp. The adjustment mechanism includes a fixed plate and an adjustment plate. The fixed plate is fixed to a vertical plate, and the center of the fixed plate is connected to the center of the adjustment plate through a universal joint. The adjustment plate is equipped with a locking assembly, which includes multiple screws. The adjustment plate has multiple through holes, each corresponding to a screw and located near the outer edge of the adjustment plate. One end of each screw passes through the corresponding through hole and connects to the fixed plate. Two locking nuts are provided on each screw, and the two locking nuts are respectively located on both sides of the adjustment plate. The diameter of each through hole is larger than the diameter of the screw but smaller than the outer diameter of the locking nut.

2. The orientation and positioning fixture for cutting single crystal metals according to claim 1, characterized in that: The universal joint is a spherical universal joint.

3. The orientation and positioning fixture for cutting single crystal metals according to claim 1, characterized in that: The positioning fixture includes a lower clamping plate and an upper clamping plate. The lower clamping plate is connected to an adjusting plate. The lower clamping plate is provided with a plurality of screw rods II, which are perpendicular to the lower clamping plate. The upper clamping plate is provided with through holes II corresponding to the screw rods II, through which the screw rods II pass. The screw rods II are provided with two locking nuts II, which are respectively located on both sides of the upper clamping plate. The diameter of the through holes II is larger than the diameter of the screw rods II and smaller than the outer diameter of the locking nuts II.

4. The orientation and positioning fixture for cutting single crystal metals according to claim 3, characterized in that: An elastic pad is fixed on the opposing surfaces of the lower and upper clamping plates.

5. The orientation and positioning fixture for cutting single crystal metals according to claim 4, characterized in that: The clamping surface of the elastic gasket is V-shaped.

6. The orientation and positioning fixture for cutting single crystal metals according to claim 1, characterized in that: The adjustment disc is equipped with a cross laser, which is used in conjunction with grid paper.

7. The orientation and positioning fixture for cutting single crystal metals according to claim 6, characterized in that: The cross laser is fixed at the top of the adjustment disk.

8. The orientation and positioning fixture for cutting single crystal metals according to claim 1, characterized in that: The positioning clamp is detachably connected to the adjusting plate via a connecting assembly. The connecting assembly includes a connecting cylinder and a connecting block. One end of the connecting cylinder is fixed to the adjusting plate, and the central axis of the connecting cylinder coincides with the central axis of the adjusting plate. The connecting block includes a cylindrical section that matches the connecting cylinder and a flat plate section that is fixedly connected to the cylindrical section. One end of the cylindrical section extends into the connecting cylinder and is fixed by a fixing bolt. The flat plate section is detachably connected to the lower clamping plate by a fixing bolt.

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