Bone file clamp for three-axis machine tool machining

Abstract

The invention discloses a bone file clamp for three-axis machine tool machining, and relates to the field of bone file clamps, the bone file clamp comprises a tool clamping rod, one end of the tool clamping rod is installed on the X axis of a three-axis machine tool, the other end of the tool clamping rod is used for being connected with a bone file tool, and the tool clamping rod is annularly provided with multiple sets of first thread jackscrews at intervals in the radial direction of the tool clamping rod; a plurality of second thread jackscrews are annularly arranged on the bone file tool in the direction parallel to the axis of the tool clamping rod at intervals, the bone file tool is used for installing the large head end of the bone file body, the tip supporting base is used for clamping a tip, and a process boss used for being matched with the tip is arranged at the small head end of the bone file body. The center supporting base is installed above the height adjusting base, and third bolts used for adjusting the height of the center supporting base are obliquely arranged on the two sides of the height adjusting base. The tool clamping rod and the bone file tool are designed to be of a split fine adjustment structure, the manufacturing error and the clamping error can be adjusted through fine adjustment during machine adjustment, and the time cost and the material cost of tool manufacturing can be saved.

Description

Technical Field

[0001] This invention relates to the field of bone file clamps, specifically a bone file clamp for three-axis machine tool processing. Background Technology

[0002] With changes in the global population structure and the increasingly serious aging of the population, the demand for bone reamers has surged as human bones become more fragile after the age of fifty, making them prone to osteoporosis and fractures. At the same time, people are paying more and more attention to medical health, and the application of surgical robots is becoming more and more common.

[0003] To address these two changes, higher demands are placed on medicine and medical devices. First, the bones of the elderly are prone to osteoporosis, requiring bone files to be sharper, capable of quickly grinding away excess bone without causing bone fractures. The structure of the bone file needs to be more closely aligned with the bone structure, with more complex surface tooth shapes, generally a combination of ring teeth and oblique teeth. At the same time, the appearance of bone files is mostly irregular curved surfaces. Second, to meet the requirements of surgical robots, the size and shape tolerances of bone files are subject to stricter requirements.

[0004] In the current technology, ordinary three-axis machine tools all require specially designed corresponding tooling fixtures. These ordinary tooling fixtures are generally integral structures, and it is difficult to accurately locate the center reference of the bone file when clamping and adjusting the machine. The fixtures need to be repaired and adjusted multiple times. The dimensional accuracy requirements of the fixtures and the dimensions of the bone file blanks are very high. For different bone file specifications and different three-axis machine tools, corresponding fixtures need to be redesigned. In this process, the machine adjustment is difficult, the design and manufacturing of fixtures takes a long time, and the scrap rate of fixtures is high, which greatly increases the time and economic costs.

[0005] In summary, existing bone file fixtures for three-axis machine tool processing suffer from prominent problems such as low clamping efficiency, poor versatility, and long debugging cycles, making it difficult to meet the actual needs of mass production of modern precision medical devices. Summary of the Invention

[0006] Based on this, the purpose of the present invention is to provide a bone file fixture for three-axis machine tool processing, so as to solve the technical problems of existing bone file fixtures for three-axis machine tool processing, such as low clamping efficiency, poor versatility, and long debugging cycle, which make it difficult to meet the actual needs of mass production of modern precision medical devices.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a bone file fixture for three-axis machine tool processing, comprising a tooling clamping rod, one end of which is mounted on the X-axis of the three-axis machine tool, and the other end for connecting to a bone file fixture. The tooling clamping rod is provided with multiple sets of first threaded set screws arranged in a ring at intervals along its radial direction. The bone file fixture is provided with multiple second threaded set screws arranged in a ring at intervals parallel to the axis of the tooling clamping rod. The bone file fixture is used to mount the large end of the bone file body and also includes a center support seat for clamping the center. The small end of the bone file body is provided with a process boss for engaging with the center. The center support seat is mounted above a height adjustment seat, and the height adjustment seat has third bolts obliquely arranged on both sides for adjusting its height.

[0008] By adopting the above technical solution, the tooling clamping rod and bone file tooling are designed as separate micro-adjustment structures. During machine adjustment, manufacturing and clamping errors can be adjusted through micro-adjustment, eliminating the need for rework and scrapping of the bone file tooling. Abnormalities detected during machine adjustment can be identified immediately, saving time and material costs in tooling manufacturing. Furthermore, after the initial adjustment and clamping, only minor adjustments are needed to achieve the desired concentricity and parallelism. The operation is simple and quick, especially in mass production, significantly reducing the time required for each clamping and adjustment.

[0009] The invention is further configured such that the tooling clamping rod is provided with first threaded holes at an annular interval along its own radial direction, the first threaded set screw is connected to the first threaded hole, the bone file tooling is provided with a contact platform at one end away from the bone file body for contacting the end of the first threaded set screw, the bone file tooling and the tooling clamping rod are connected by first bolts at an annular interval, the bone file tooling is provided with second threaded holes that are parallel to each other between adjacent first bolts, the second threaded set screw is connected to the second threaded hole and its end contacts the end face of the tooling clamping rod.

[0010] Preferably, the concentricity of the process boss of the bone file body and the tooling clamping rod is adjusted by using the first threaded set screw and the second threaded set screw.

[0011] The present invention is further configured such that the large end of the bone file body is provided with a bone file assembly surface for contacting the bone file tooling, and a bone file tail connecting rod is connected orthogonally to the bone file assembly surface. The bone file tooling is provided with a connecting hole for inserting the bone file tail connecting rod. The bone file tail connecting rod is provided with a pin slot. The side of the bone file tooling is provided with a pin hole for inserting a pin. When the bone file tail connecting rod is inserted into the connecting hole, the pin can be inserted into both the pin hole and the pin slot simultaneously. The bone file tooling is provided with a boss facing the bone file body at the position in contact with the bone file assembly surface. The large end of the bone file body is provided with a bone file clamping groove for engaging with the boss.

[0012] Preferably, a pin is inserted into a pin hole and simultaneously engages with a pin bayonet to achieve a stable connection between the bone file body and the bone file tooling.

[0013] The invention is further configured such that the bone file tool is provided with a third threaded hole extending through the pin hole at a position parallel to the radial direction of the pin hole, and a slanted post for contacting the pin shaft is inserted into the third threaded hole. A third threaded set screw is threaded into the third threaded hole, one end of the third threaded set screw is used to contact one end of the slanted post, and the other end of the slanted post contacts the pin shaft.

[0014] Preferably, tightening the third threaded set screw can further bring the bone file assembly surface into close contact with the bone file tooling, while also ensuring that the bone file clamping slot and the boss are tightly engaged.

[0015] The invention is further configured such that a height adjustment base is connected below the height adjustment seat, the height adjustment base is provided with a plurality of oblong threaded through holes, a second bolt passes through the oblong threaded through holes, the second bolt also passes through the height adjustment seat, two mutually symmetrical third bolts are obliquely arranged on both sides of the height adjustment seat, the third bolts penetrate the height adjustment seat and their bottom ends contact the height adjustment base, and the height adjustment base is fixed above the adjustment seat fixing plate.

[0016] Preferably, the height of the height adjustment seat can be adjusted by rotating the third bolt.

[0017] The present invention is further configured such that the bottom end of the top support seat is provided with a dovetail structure, and an inward-pointing octagonal fixing block is fixedly connected to the height adjustment seat. The inward-pointing octagonal fixing block is used to press one side of the bottom end of the top support seat, and the other side of the bottom end of the top support seat is pressed by a dovetail groove locking block. The dovetail groove locking block is connected to the height adjustment seat.

[0018] Preferably, the dovetail structure at the bottom of the top support seat is used to conveniently fix the top support seat to the height adjustment seat.

[0019] The present invention is further configured such that a first bone file head tip is fixedly connected to the top of the top support seat, and the central axis of the first bone file head tip coincides with the axis of the tooling clamping rod.

[0020] Preferably, the first bone file head tip is used in conjunction with the process boss to maintain the stability of the bone file body during the rotation of the tooling clamping rod around its own axis.

[0021] The present invention is further configured such that a second bone file head tip is fixedly connected to the top of the tip support base, the front end of the second bone file head tip can rotate around its own axis and is provided with a slot, the slot being used to engage with a engagement platform, the engagement platform being fixedly connected to the movable tip of the conical structure and connected to the center of the circular plane of the movable tip, and the front end of the second bone file head tip is provided with a pressure plate for pressing the movable tip.

[0022] Preferably, the position of the sliding adjustment tip can be adapted to the bone file body with different curvatures.

[0023] The invention is further configured such that an adjusting screw is threaded along its own radial direction at the tip of the second bone file head, and the end of the adjusting screw is used to contact the locking platform.

[0024] Preferably, rotating the adjusting screw allows for more accurate adjustment of the position of the moving tip according to the scale indication.

[0025] The present invention is further configured such that the two sides of the locking platform are symmetrically arranged along the diameter of the moving tip, one end of the locking platform is provided with a blind hole for inserting an adjusting screw, the depth of the blind hole is less than the length of the adjusting screw, the locking platform is provided with a scale along the direction parallel to the diameter of the moving tip, and the tip of the second bone file head is provided with an indicator bar for matching the scale on the locking platform. When the indicator bar indicates zero, the moving tip and the tip of the second bone file head are coaxial.

[0026] Preferably, this design ensures that the moving tip has sufficient adjustment travel while also preventing the adjusting screw from being bent or damaged due to accidental bumps.

[0027] In summary, the present invention has the following main beneficial effects: 1. This invention designs the tooling clamping rod and bone file tooling as a separate micro-adjustment structure. During machine setup, manufacturing and clamping errors can be adjusted through micro-adjustment, eliminating the need for rework and scrapping of the bone file tooling. Abnormalities detected during machine setup can be identified immediately, saving time and material costs in tooling manufacturing. Furthermore, after the initial adjustment and clamping, only minor adjustments are needed to achieve the desired concentricity and parallelism. The operation is simple and quick, especially in mass production, significantly reducing the time required for each clamping and machine setup.

[0028] 2. This invention adapts to the center height difference of different brands and models of machine tools by replacing the adjusting seat fixing plate, without replacing the entire set of fixtures, effectively saving the manufacturing time and material costs of fixtures. At the same time, the split micro-adjustment structure can effectively reduce vibration transmission during bone file processing, making the processing dimensions more stable and the bone file appearance smoother.

[0029] 3. This invention installs a movable tip on the top support seat that can be adjusted in the direction of its own radius. When processing bone files with a large curvature, the position of the movable tip can be adjusted while the tip of the second bone file head is coaxial with the tooling clamping rod. This allows the movable tip to cooperate with the center of the process boss of the bone file, without affecting the rotation of the tooling clamping rod, thereby realizing the rotational adjustment of the bone file.

[0030] 4. By setting a blind hole at one end of the locking platform of the moving tip, and making both ends of the locking platform face the adjusting screw, the same adjusting screw can be used to achieve different adjustment strokes of the moving tip, ensuring that the moving tip has sufficient adjustment stroke, and also preventing the adjusting screw from being bent and damaged by accidental bumps due to excessive protrusion. Attached Figure Description

[0031] Figure 1 This is a front view of the main body of the bone file clamping device of the present invention. Figure 2 This is an exploded view of the tooling clamping rod and bone file tooling of the present invention; Figure 3 This is an internal structural diagram of the bone file tooling and its position relative to the bone file body of the present invention; Figure 4 This is an exploded view of the top support, height adjustment seat, and height adjustment base of the present invention. Figure 5 A perspective view of the tip of the second bone file head mounted on the tip support of the present invention. Figure 6 For the present invention Figure 5 Enlarged view of A in the middle; Figure 7 This is an exploded view of the tip of the second bone file of the present invention; Figure 8 This is an exploded view of the tip of the bone file head from another perspective of the present invention.

[0032] Explanation of reference numerals in the attached figures: 1. Tooling clamping rod; 2. Bone file tooling; 3. Bone file body; 4. First bone file head tip; 5. Tip support seat; 6. Height adjustment seat; 7. Height adjustment base; 8. Adjustment seat fixing plate; 9. First threaded hole; 10. First threaded set screw; 11. Spacer block; 12. Second threaded set screw; 13. First bolt; 14. First threaded through hole; 15. Second threaded hole; 16. Contact platform; 17. Boss; 18. Connecting hole; 19. Pin hole; 20. Third threaded hole; 21. Pin shaft; 22. Angled post; 23. Third threaded set screw; 24. Bone file tail connecting rod; 25. Pin 26. Shaft bayonet; 27. Bone file assembly surface; 28. Bone file clamping slot; 29. ​​Process boss; 30. Fourth threaded hole; 31. Waist-shaped threaded through hole; 32. Second bolt; 33. Third bolt; 34. Inner octagonal fixing block; 35. Positioning pin; 36. Fourth bolt; 37. Dovetail groove locking block; 38. Second threaded through hole; 39. Fifth bolt; 40. Sixth bolt; 41. Second bone file head tip; 42. Moving tip; 43. Pressure plate; 44. Slot; 45. Clamping platform; 46. Pressure groove; 47. Indicator strip; 48. Clamping screw; 49. Adjusting screw; 40. Blind hole. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0034] The embodiments of the present invention will now be described.

[0035] First embodiment: A bone file fixture for three-axis machine tool processing, please refer to [link / reference]. Figure 1 - Figure 4 The tooling includes a clamping rod 1. Specifically, when the existing bone file body 3 is machined on a three-axis machine tool, in order to prevent runout and maintain dimensional stability, it is generally clamped at the large end and the small end is tightened. One end of the tooling clamping rod 1 is installed on the X-axis of the three-axis machine tool, and the other end is used to connect to the bone file tooling 2. The tooling clamping rod 1 is provided with multiple sets of first threaded set screws 10 in a ring at intervals along its own radial direction. The bone file tooling 2 is provided with multiple second threaded set screws 12 in a ring at intervals parallel to the axis of the tooling clamping rod 1. The bone file tooling 2 is used to install the large end of the bone file body 3.

[0036] It also includes a top support seat 5, which is used to clamp the top. The small end of the bone file body 3 is provided with a process boss 28 for cooperating with the top. The top support seat 5 is installed above the height adjustment seat 6. The height adjustment seat 6 is provided with third bolts 32 on both sides for adjusting its own height. In this embodiment, the top of the top support seat 5 is fixedly connected to the first bone file head tip 4. The central axis of the first bone file head tip 4 coincides with the axis of the tooling clamping rod 1. The first bone file head tip 4 cooperates with the process boss 28 to keep the bone file body 3 stable during the rotation of the tooling clamping rod 1 around its own axis.

[0037] Specifically, the tooling clamping rod 1 is provided with four first threaded holes 9 arranged in a ring along its own radial direction. The first threaded set screw 10 is connected to the first threaded hole 9. The bone file tooling 2 is provided with a contact platform 16 at the end away from the bone file body 3 for contacting the end of the first threaded set screw 10. The end of the bone file tooling 2 with the contact platform 16 can be inserted into the tooling clamping rod 1.

[0038] Furthermore, the bone file tool 2 is connected to the tooling clamping rod 1 by four first bolts 13 arranged in a ring at intervals. The bone file tool 2 has parallel second threaded holes 15 between adjacent first bolts 13. Specifically, the four first bolts 13 are spaced 90 degrees apart in the circumferential direction, and the second threaded holes 15 are located between adjacent first bolts 13, also spaced 90 degrees apart in the circumferential direction. The bone file tool 2 has first threaded through holes 14 for the first bolts 13 to pass through. The threaded set screw 12 is connected to the second threaded hole 15, and its end contacts the end face of the tooling clamping rod 1. Rotating the first threaded set screw 10 can adjust the relative position of the bone file tool 2 and the tooling clamping rod 1 radially, while rotating the second threaded set screw 12 can adjust the relative position of the two axially. Furthermore, during assembly, a pad block 11 is installed at the front end of the second threaded set screw 12. The first threaded set screw 10 and the second threaded set screw 12 are used to adjust the concentricity of the process boss 28 of the bone file body 3 and the tooling clamping rod 1.

[0039] For details regarding the above embodiments, please refer to [link / reference]. Figure 1 - Figure 4 The large end of the bone file body 3 is provided with a bone file assembly surface 26 for contacting the bone file tooling 2, and a bone file tail connecting rod 24 is connected orthogonally to the bone file assembly surface 26. The bone file tooling 2 is provided with a connecting hole 18 for inserting the bone file tail connecting rod 24. A pin shaft retainer 25 is provided on the bone file tail connecting rod 24. A pin hole 19 is provided on the side of the bone file tooling 2. The pin hole 19 is used for inserting the pin shaft 21. When the bone file tail connecting rod 24 is inserted into the connecting hole 18, the pin shaft 21 can be inserted into the pin hole 19 and the pin shaft retainer 25 at the same time, thereby realizing the rigid locking and precise positioning of the bone file body 3 and the bone file tooling 2.

[0040] Specifically, the bone file tool 2 has a boss 17 facing the bone file body 3 at the position where it contacts the bone file assembly surface 26. The large end of the bone file body 3 is provided with a bone file clamping groove 27 for engaging with the boss 17. By inserting the pin 21 into the pin hole 19 and simultaneously engaging with the pin slot 25, a stable connection between the bone file body 3 and the bone file tool 2 is achieved.

[0041] Furthermore, the bone file tool 2 is provided with a third threaded hole 20 extending through the pin hole 19 at a position parallel to the radial direction of the pin hole 19. A beveled post 22 for contacting the pin shaft 21 is inserted into the third threaded hole 20. A third threaded set screw 23 is threaded into the third threaded hole 20. One end of the third threaded set screw 23 is used to contact one end of the beveled post 22, and the other end of the beveled post 22 contacts the pin shaft 21. Tightening the third threaded set screw 23 can further make the bone file mounting surface 26 in close contact with the bone file tool 2, and at the same time make the bone file clamping groove 27 tightly engage with the boss 17.

[0042] For details regarding the above embodiments, please refer to [link / reference]. Figure 1 - Figure 4 The height adjustment seat 6 is connected to the height adjustment base 7 below. The height adjustment base 7 is provided with multiple waist-shaped threaded through holes 30. The waist-shaped threaded through holes 30 are through which second bolts 31 pass. The second bolts 31 also pass through the height adjustment seat 6, thereby realizing the connection between the height adjustment seat 6 and the height adjustment base 7. Two third bolts 32 are obliquely arranged on both sides of the height adjustment seat 6.

[0043] Specifically, a threaded through hole is drilled on each side at a 20° angle above the height adjustment seat 6. This threaded through hole allows the third bolt 32 to tighten against the height adjustment base 7, preventing the height adjustment seat 6 from moving left or right. A disc spring is installed on the third bolt 32 to reduce vibration during machining. The third bolt 32 passes through the height adjustment seat 6, and its bottom end contacts the height adjustment base 7. The height adjustment base 7 is fixed above the adjustment seat fixing plate 8. The adjustment seat fixing plate 8 is installed on a three-axis machine tool. Adjusting the height of the height adjustment seat 6 can be achieved by rotating the third bolt 32. Simultaneously rotating both third bolts 32 to extend them can control the height of the height adjustment seat 6 to rise. If only one of them is rotated, one end of the height adjustment seat 6 can be raised.

[0044] Furthermore, the top support seat 5 has a groove in the middle, which is then tightened by the sixth bolt 39 to fix and lock the top tip 4 of the first bone file head. The bottom of the top support seat 5 is provided with a dovetail structure. The height adjustment seat 6 is fixedly connected to the inner octagonal fixing block 33 by the positioning pin 34 and the fourth bolt 35. The inner octagonal fixing block 33 is used to press one side of the bottom of the top support seat 5. The other side of the bottom of the top support seat 5 is pressed by the dovetail groove locking block 36. The dovetail groove locking block 36 is tightened and connected to the height adjustment seat 6 by the fifth bolt 38. The height adjustment seat 6 is provided with a second threaded through hole 37 for the fifth bolt 38 to pass through. The dovetail structure at the bottom of the top support seat 5 is used to conveniently fix the top support seat 5 to the height adjustment seat 6.

[0045] Second embodiment: A bone file fixture for three-axis machine tool processing, please refer to [link / reference]. Figure 1 - Figure 8 Based on the first embodiment, the difference from the first embodiment is that the top of the top support 5 is fixedly connected to the top of the second bone file head tip 40. The front end of the second bone file head tip 40 can rotate around its own axis and is provided with a slot 43. The slot 43 is used to engage with the engagement platform 44. The engagement platform 44 is fixedly connected to the conical movable tip 41 and connected to the center of the circular plane of the movable tip 41. The front end of the second bone file head tip 40 is provided with a pressure plate 42 for pressing the movable tip 41. By sliding and adjusting the position of the movable tip 41, it can adapt to bone file bodies 3 with different curvatures.

[0046] Specifically, the tip of the second bone file head 40 is provided with a groove 45 for engaging with one side of the pressure plate 42. The pressure plate 42 passes through the clamping screw 47, and the clamping screw 47 passes through the pressure plate 42 and connects to the tip of the second bone file head. The other side of the pressure plate 42 is used to clamp the locking platform 44.

[0047] For details regarding the above embodiments, please refer to [link / reference]. Figure 1 - Figure 8 The tip 40 of the second bone file head is threaded with an adjusting screw 48 along its own radial direction. The end of the adjusting screw 48 is used to contact the locking platform 44. Rotating the adjusting screw 48 can adjust the position of the moving tip 41 relatively accurately according to the scale indication. When it is necessary to adjust the moving tip 41, first let the pressure plate 42 press against the locking platform 44 but do not tighten the clamping screw 47. Rotate the adjusting screw 48 to push the moving tip 41 to slide radially along the tip 40 of the second bone file head. When it slides to the appropriate position, tighten the clamping screw 47. This allows the moving tip 41 to accurately match the axis of the process boss 28 when the bone file body 3 has a large curvature, ensuring the stability of the bone file body 3 during rotation adjustment.

[0048] Furthermore, the two sides of the locking platform 44 are symmetrically arranged along the diameter of the moving tip 41. One end of the locking platform 44 is provided with a blind hole 49 for inserting the adjusting screw 48. The depth of the blind hole 49 is less than the length of the adjusting screw 48. The locking platform 44 is provided with a scale in a direction parallel to the diameter of the moving tip 41. The second bone file head tip 40 is provided with an indicator strip 46 for matching the scale on the locking platform 44. When the indicator strip 46 indicates zero, the moving tip 41 and the second bone file head tip 40 are coaxial, ensuring that the moving tip 41 has sufficient adjustment stroke, and also preventing the adjusting screw 48 from being bent and damaged by accidental bumps due to excessive protrusion.

[0049] In practical operation, when assembling the bone file body 3 and the bone file fixture 2, first insert the bone file tail connecting rod 24 into the connecting hole 18, then adjust the direction so that the boss 17 is also inserted into the bone file clamping slot 27, and finally make the bone file assembly surface 26 fit tightly against the bone file fixture 2. Then, insert the pin 21 into the pin hole 19 and the inclined pin 22 into the third threaded hole 20, so that the inclined surface of the inclined pin 22 fits tightly against the outer circle of the pin 21. Then, insert the third threaded set screw 23 into the third threaded hole 20. When adjusting the machine, lock the third threaded set screw 23 so that the bone file assembly surface 26 fits tightly against the bone file fixture, so that the bone file body 3 will not loosen back and forth. According to the theoretical value, the bone file tail connecting rod 24 and the connecting hole 18 are tightly fitted, and the bone file clamping slot 27 and the boss 17 are tightly fitted, so that the bone file clamping slot 27 of the bone file body 3 is parallel to the left and right directions of the central axis of the machine tool. However, in actual machining, while the connecting rod 24 and connecting hole 18 at the tail of the bone file can be inserted, the bone file clamping slot 27 and boss 17 are more difficult to insert. Multiple trial clampings are required during assembly, which easily scratches the surface of the bone file clamping slot 27, causing inaccurate positioning and appearance defects in subsequent use. Due to manufacturing errors in the bone file blank, after clamping, some bone file clamping slots 27 are parallel to the left-right direction of the machine tool's central axis, while others are not. Since they are all tight fits with no room for adjustment, the bone file clamping slot 27 and boss 17 can only be fitted with a clearance fit. Most existing ordinary bone file fixtures use a three-axis machine tool to hold the fixture shank, with the bone file connected to the fixture. This method, during adjustment, requires tightening the third thread. The parallelism between the bone file clamping slot 27 and the central axis of the machine tool can only be adjusted when the set screw 23 is tightened. However, after adjusting the parallelism, the parallelism will change again when the third thread set screw 23 is tightened because the bone file slides at an angle. However, this application has designed a split structure. First, the third thread set screw 23 is tightened to make the bone file assembly surface 26 fit tightly against the bone file tooling. Then, the four first thread set screws 10 or the four second thread set screws 12 are finely adjusted to make the bone file clamping slot 27 parallel to the central axis of the machine tool in the left and right directions. Then the first bolt 13 is tightened. Because it is a horizontal tightening, it will not cause the parallelism to change. The above is to solve the problem that the bone file body 3 needs to be parallel to the bone file clamping slot 27 in the left and right directions when clamping. When adjusting the support structure assembly, in order to ensure that the height adjustment base 7 is parallel to the X-axis of the three-axis machine tool, two fourth threaded holes 29 are provided on each side of the adjustment base fixing plate 8. This allows the fourth threaded holes 29 to correspond with the set screws to adjust the parallelism of the height adjustment base 7. The vertical height is adjusted by adjusting the space of the oblong threaded through hole 30. This adjustment range is determined by the size of the oblong threaded through hole 30 and the overall structure, and can only achieve a fine adjustment of 1-3mm. Outside this range, the adjustment base fixing plate 8 needs to be redesigned according to the center height difference of different brands and models of three-axis machine tools and the connection hole position at the lower end of different brands and models of three-axis machine tools. Other parts do not need to be replaced, so as to adapt to different brands and models of three-axis machine tools.

[0050] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the invention and are not intended to limit it. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the invention, but such modifications, substitutions, and variations are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A bone file fixture for three-axis machine tool processing, characterized in that, include: Tooling clamping rod (1), one end of the tooling clamping rod (1) is installed on the X-axis of the three-axis machine tool, and the other end is used to connect the bone file tooling (2). The tooling clamping rod (1) has multiple sets of first threaded set screws (10) arranged in a ring at intervals along its own radial direction. The bone file tooling (2) has multiple second threaded set screws (12) arranged in a ring at intervals parallel to the axis of the tooling clamping rod (1). The bone file tooling (2) is used to install the large end of the bone file body (3). The top support (5) is used to hold the top. The small end of the bone file body (3) is provided with a process boss (28) for cooperating with the top. The top support (5) is installed above the height adjustment seat (6). The height adjustment seat (6) is provided with third bolts (32) on both sides for adjusting its own height.

2. The bone file fixture for three-axis machine tool processing according to claim 1, characterized in that: The tooling clamping rod (1) has first threaded holes (9) arranged in a ring at intervals along its own radial direction. The first threaded set screw (10) is connected to the first threaded hole (9). The bone file tooling (2) has a contact platform (16) at one end away from the bone file body (3) for contacting the end of the first threaded set screw (10). The bone file tooling (2) is connected to the tooling clamping rod (1) by first bolts (13) arranged in a ring at intervals. The bone file tooling (2) has second threaded holes (15) arranged in parallel between adjacent first bolts (13). The second threaded set screw (12) is connected to the second threaded hole (15) and its end contacts the end face of the tooling clamping rod (1).

3. The bone file fixture for three-axis machine tool processing according to claim 1, characterized in that: The large end of the bone file body (3) is provided with a bone file assembly surface (26) for contacting the bone file fixture (2), and a bone file tail connecting rod (24) is connected orthogonally to the bone file assembly surface (26). The bone file fixture (2) is provided with a connecting hole (18) for inserting the bone file tail connecting rod (24). The bone file tail connecting rod (24) is provided with a pin slot (25). The side of the bone file fixture (2) is provided with a pin hole (19). 19) For the insertion of the pin shaft (21), when the connecting rod (24) at the tail of the bone file is inserted into the connecting hole (18), the pin shaft (21) can be inserted into the pin hole (19) and the pin shaft bayonet (25) at the same time. The bone file tooling (2) has a boss (17) facing the bone file body (3) at the position that contacts the bone file assembly surface (26). The large end of the bone file body (3) is provided with a bone file clamping slot (27) for engaging with the boss (17).

4. The bone file fixture for three-axis machine tool processing according to claim 3, characterized in that: The bone file tool (2) is provided with a third threaded hole (20) that extends through the pin hole (19) in a position parallel to the radial direction of the pin hole (19). A slanted post (22) for contacting the pin shaft (21) is inserted into the third threaded hole (20). A third threaded set screw (23) is threaded into the third threaded hole (20). One end of the third threaded set screw (23) is used to contact one end of the slanted post (22), and the other end of the slanted post (22) is in contact with the pin shaft (21).

5. The bone file fixture for three-axis machine tool processing according to claim 1, characterized in that: The height adjustment seat (6) is connected to a height adjustment base (7) below. The height adjustment base (7) is provided with multiple waist-shaped threaded through holes (30). The waist-shaped threaded through holes (30) are through which second bolts (31) pass. The second bolts (31) also pass through the height adjustment seat (6). Two mutually symmetrical third bolts (32) are obliquely arranged on both sides of the height adjustment seat (6). The third bolts (32) penetrate the height adjustment seat (6) and their bottom ends contact the height adjustment base (7). The height adjustment base (7) is fixed above the adjustment seat fixing plate (8).

6. The bone file fixture for three-axis machine tool processing according to claim 5, characterized in that: The bottom end of the top support base (5) is provided with a dovetail structure. An inward-pointing fixing block (33) is fixedly connected to the height adjustment base (6). The inward-pointing fixing block (33) is used to press one side of the bottom end of the top support base (5). The other side of the bottom end of the top support base (5) is pressed by the dovetail groove locking block (36). The dovetail groove locking block (36) is connected to the height adjustment base (6).

7. The bone file fixture for three-axis machine tool processing according to claim 6, characterized in that: The top of the top support (5) is fixedly connected to the top of the first bone file head tip (4), and the central axis of the first bone file head tip (4) coincides with the axis of the tooling clamping rod (1).

8. The bone file fixture for three-axis machine tool processing according to claim 6, characterized in that: The top of the top support base (5) is fixedly connected to the top of the second bone file head tip (40). The front end of the second bone file head tip (40) can rotate around its own axis and is provided with a slot (43). The slot (43) is used to engage with the engagement platform (44). The engagement platform (44) is fixedly connected to the conical moving tip (41) and connected to the center of the circular plane of the moving tip (41). The front end of the second bone file head tip (40) is provided with a pressure plate (42) for pressing the moving tip (41).

9. The bone file fixture for three-axis machine tool processing according to claim 8, characterized in that: The tip (40) of the second bone file head is threaded with an adjusting screw (48) along its own radial direction, the end of which is used to contact the locking table (44).

10. The bone file fixture for three-axis machine tool processing according to claim 9, characterized in that: The two sides of the locking platform (44) are symmetrically arranged along the diameter of the moving tip (41). One end of the locking platform (44) is provided with a blind hole (49) for inserting the adjusting screw (48). The depth of the blind hole (49) is less than the length of the adjusting screw (48). The locking platform (44) is provided with a scale in a direction parallel to the diameter of the moving tip (41). The second bone file head tip (40) is provided with an indicator strip (46) for matching the scale on the locking platform (44). When the indicator strip (46) indicates zero scale, the moving tip (41) and the second bone file head tip (40) are coaxial.

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