Surface polishing equipment for cross drill bit production and implementation process of surface polishing equipment

Abstract

The invention relates to the technical field of polishing, in particular to surface polishing equipment for cross-shaped drill bit production and an implementation process thereof.The surface polishing equipment comprises an operation table, a plurality of three-jaw chucks used for clamping cross-shaped drill bits are arranged above the operation table, and an autorotation lifting structure used for driving the three-jaw chucks to move and autorotate in the vertical direction is installed on the operation table; a rotating shell is arranged above the three-jaw chuck, a polishing roller used for polishing a drilling groove in the cross drill bit is rotationally connected to the rotating shell, a first connecting shaft is rotationally connected to the rotating shell, and a meshing piece matched with the polishing roller is installed on the first connecting shaft; the operation table is provided with a rotation translation structure used for driving the first connecting shaft to move and rotate in the horizontal direction, and the operation table is provided with a rotating unit used for driving the rotating shell to rotate. Through automatic polishing, the purpose of accurate positioning polishing is achieved, the working efficiency is improved, and the chip removal performance can be effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of polishing, and in particular to a surface polishing device for producing a cross drill and an implementation process thereof. Background Art

[0002] Cross drill bits are a common tool in daily life, mainly used to drill through holes or blind holes in solid materials. Therefore, cross drill bits have the characteristics of high hardness and high wear resistance. After a cross drill bit has been used for a period of time, the drill groove will wear out, which will affect the chip removal performance when drilling.

[0003] However, it is worth considering that the drill grooves of the drill bit are currently polished manually. Manually controlled polishing cannot accurately grasp the progress, resulting in poor polishing effect of the drill bit. The worn parts of the drill grooves of the drill bit cannot be accurately positioned and polished, and the work efficiency is low, which has certain limitations.

[0004] Therefore, in order to solve the above problems, a related facility that better meets the usage requirements is needed. Summary of the invention

[0005] In view of this, the purpose of the present invention is to provide a surface polishing device for cross drill production and its implementation process, so as to solve the above-mentioned problem that the manual control polishing cannot accurately grasp the progress and has low work efficiency.

[0006] Based on the above purpose, the present invention provides a surface polishing device for cross drill production, including an operating table, a plurality of three-jaw chucks for clamping cross drills are arranged above the operating table, and a self-rotating lifting structure for driving the three-jaw chucks to move vertically and rotate is installed on the operating table; A rotating shell is provided above the three-jaw chuck, a polishing roller used for polishing the grooves drilled on the cross drill is rotatably connected to the rotating shell, and a first connecting shaft is rotatably connected to the rotating shell, and a meshing member matched with the polishing roller is installed on the first connecting shaft; The operating platform is equipped with a rotation and translation structure for driving the first connecting shaft to move horizontally and rotate, and the operating platform is equipped with a rotating unit for driving the rotating shell to rotate.

[0007] Optionally, the self-rotating lifting structure includes a lifting column arranged below the three-jaw chuck, a disassembly and assembly part compatible with the three-jaw chuck is installed on the top of the lifting column, a spiral groove compatible with the drill groove on the cross drill bit is provided on the lifting column, a plurality of support columns compatible with the spiral groove are provided above the operating table, the operating table is installed with a locking unit compatible with the support columns, a base is fixedly connected to the bottom of the operating table, a first fixed plate is fixedly connected to the bottom end of the lifting column, a plurality of avoidance holes compatible with the first fixed plate are provided on the operating table, a sliding rotation mechanism compatible with the first fixed plate is installed on the base, and a stopper compatible with the first fixed plate is installed at the bottom of the operating table.

[0008] Optionally, the sliding rotation mechanism includes a first control shell fixedly mounted on the base, a first rotating shaft being rotatably connected in the first control shell, a first servo motor being fixedly mounted on the first control shell, an output end of the first servo motor being fixedly connected to the first rotating shaft, a second connecting shaft and a third connecting shaft being provided below the first fixed plate, the second connecting shaft and the third connecting shaft being rotatably connected to the first control shell respectively, a plurality of worms being provided on the external fixed sleeve of the first rotating shaft, a worm wheel being meshed with the worm being provided on the external fixed sleeve of the second connecting shaft, a first friction disk being fixedly connected to the bottom end of the third connecting shaft, a second friction disk being fixedly connected to the top end of the second connecting shaft, the top of the second friction disk being in contact with the bottom of the first friction disk, and a sliding member matching the first fixed plate being provided on the top end of the third connecting shaft.

[0009] Optionally, the sliding member includes a second fixing plate fixedly mounted on the top end of the third connecting shaft, two guide columns are fixedly connected to the top end of the second fixing plate, and the top ends of the guide columns penetrate the corresponding first fixing plate.

[0010] Optionally, the disassembly and assembly component includes a mounting plate fixedly mounted on the top of the lifting column, and the mounting plate and the three-jaw chuck are connected by a plurality of bolts.

[0011] Optionally, the locking unit includes a movable seat fixedly mounted on the support column, and the movable seat is sleeved on the outside of the lifting column, guide plates are respectively provided on both sides of the movable seat, the guide plates are fixedly connected to the operating table, guide grooves matching the movable seat are provided on the guide plates, a support portion is fixedly mounted on the movable seat, a positioning column passes through the support portion, a fixed plate is fixedly connected to the top of the positioning column, the fixed plate and the support portion are connected by a first tension spring, a plurality of positioning holes matching the positioning columns are provided on the operating table, and the number of the positioning holes is twice the number of the positioning columns, and the bottom ends of the positioning columns are located in the corresponding positioning holes.

[0012] Optionally, the stopper includes a baffle plate arranged below the first fixed plate, the outer sliding sleeve of the baffle plate is provided with two guide frames, the top of the guide frame is fixedly connected to the bottom of the operating table, the bottom of the guide frame is fixedly connected with a magnet block, an iron plate is provided between the two magnet blocks, the top of the iron plate is fixedly connected to the bottom of the baffle plate, and the top of the baffle plate is fixedly connected with a handle.

[0013] The present invention also provides an implementation process of a surface polishing device for producing a cross drill, comprising the surface polishing device for producing a cross drill as described above, comprising the following steps: Step 1: The rotating shell is driven to rotate relative to the first connecting shaft by the rotating unit, so that the rotating shell drives the polishing roller to be at a preset tilt angle, and the first connecting shaft, the rotating shell and the polishing roller are driven to translate by the self-rotation translation structure to prevent the polishing roller from interfering with the bottom end of the cross drill bit inserted into the three-jaw chuck; Step 2: The staff drives the bottom end of the cross drill bit to be inserted into the three-jaw chuck, fixes the cross drill bit through the three-jaw chuck, and then drives the first connecting shaft and the polishing roller to translate in the opposite direction to the initial position through the self-rotation translation structure, and the polishing roller contacts the drill groove on the cross drill bit; Step 3: The first connecting shaft is driven to rotate by the self-rotation translation structure, and the first connecting shaft drives the polishing roller to rotate through the engagement member, and the polishing roller polishes the drill groove on the cross drill bit; Step 4: The self-rotating lifting structure drives the three-jaw chuck and the cross drill to rotate and move downward at the same time, so that the drill grooves on the cross drill are contacted with the polishing roller from bottom to top in sequence, and the polishing roller can polish the drill grooves on the cross drill.

[0014] The beneficial effects of the present invention are as follows: the rotating shell is driven to rotate relative to the first connecting shaft by the rotating unit, so that the rotating shell drives the polishing roller to be at a preset inclination angle, and the first connecting shaft, the rotating shell and the polishing roller are driven to translate by the self-rotation and translation structure to avoid the polishing roller interfering with the bottom end of the cross drill bit and inserting it into the three-jaw chuck. The staff drives the bottom end of the cross drill bit to insert it into the three-jaw chuck. The staff fixes the cross drill bit by the three-jaw chuck, and then drives the first connecting shaft and the polishing roller to translate in the opposite direction to the initial position by the self-rotation and translation structure, and the polishing roller contacts the drill groove on the cross drill bit. The first connecting shaft is driven to rotate by the self-rotation and translation structure, and the first connecting shaft drives the polishing roller to rotate by the meshing part, and the polishing roller polishes the drill groove on the cross drill bit, and the self-rotation and lifting structure drives the three-jaw chuck and the cross drill bit to rotate and move downward at the same time, so that the drill groove on the cross drill bit contacts the polishing roller from bottom to top in sequence, and the polishing roller can automatically polish the drill groove on the cross drill bit, and the purpose of precise positioning polishing is achieved through automated polishing, which improves work efficiency and effectively improves chip removal performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is one of the overall structural diagrams of an embodiment of the present invention; Figure 2 This is the second schematic diagram of the overall structure of an embodiment of the present invention; Figure 3 The third schematic diagram of the overall structure of the embodiment of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the enlarged structure of the middle A area; Figure 5 This is a schematic structural diagram of a lifting frame according to an embodiment of the present invention; Figure 6 It is a schematic diagram of the structure of the separated slider and the first connecting shaft according to an embodiment of the present invention; Figure 7 This is a schematic diagram of the structure inside the rotating shell of an embodiment of the present invention; Figure 8 This is a schematic diagram of the structure inside the second control housing according to an embodiment of the present invention; Fig. 9 This is a schematic diagram of the structure of the disassembly and assembly parts of an embodiment of the present invention; Fig.10 It is a schematic structural diagram of the movable seat and the guide plate separated in an embodiment of the present invention; Fig.11 It is a schematic diagram of the structure inside the first control shell according to an embodiment of the present invention.

[0017] The markings in the figure are: 1. Operating table; 2. Base; 3. Three-jaw chuck; 4. Cross drill; 5. First connecting shaft; 6. Rotating shell; 7. Polishing roller; 8. Lifting column; 9. Spiral groove; 10. Support column; 11. First control shell; 12. First servo motor; 13. First rotating shaft; 14. Second connecting shaft; 15. Worm gear; 16. Worm; 17. Third connecting shaft; 18. First friction disc; 19. Second friction disc; 20. First fixed plate; 21. Guide column; 22. Second fixed plate; 23. Mounting plate; 24. Bolt; 25. Movable seat; 26. Guide plate; 27. Guide groove; 28. Support part; 29. ​​Positioning column; 30. Fixed plate; 31. First tension spring; 32. Positioning hole; 33. Avoidance hole; 34. Baffle; 35. Guide frame; 36. Iron plate; 37. Magnet block; 38. Handle; 39. Second control shell; 40. Connecting plate; 41. Second servo motor; 42. Second rotating shaft; 43. First bevel gear; 44. Fourth connecting shaft; 45. Second bevel gear; 46. Slide groove; 47. Sliding block; 48. Second tension spring; 49. Stop plate; 50. Side plate; 51. Support plate; 52. Lifting frame; 53. Hydraulic telescopic rod; 54. Tooth plate; 55. Arc rack; 56. Third bevel gear; 57. Fourth bevel gear. DETAILED DESCRIPTION

[0018] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0019] Embodiment 1, by Figure 1 , Figure 2 , Figure 3 and Figure 6 The present invention comprises an operating table 1, a plurality of three-jaw chucks 3 for clamping a cross drill 4 are arranged above the operating table 1, and a self-rotating lifting structure for driving the three-jaw chucks 3 to move vertically and rotate is installed on the operating table 1; A rotating shell 6 is provided above the three-jaw chuck 3, and a polishing roller 7 for polishing the grooves drilled on the cross drill 4 is rotatably connected to the rotating shell 6. A first connecting shaft 5 is rotatably connected to the rotating shell 6, and a meshing member adapted to the polishing roller 7 is installed on the first connecting shaft 5; The operating table 1 is equipped with a self-rotation translation structure for driving the first connecting shaft 5 to move horizontally and rotate, and the operating table 1 is equipped with a rotating unit for driving the rotating shell 6 to rotate; the rotating shell 6 is driven to rotate relative to the first connecting shaft 5 by the rotating unit, so that the rotating shell 6 drives the polishing roller 7 to be at a preset tilt angle, and the first connecting shaft 5, the rotating shell 6 and the polishing roller 7 are driven to translate by the self-rotation translation structure to prevent the polishing roller 7 from interfering with the bottom end of the cross drill 4 inserted into the three-jaw chuck 3, the staff drives the bottom end of the cross drill 4 to be inserted into the three-jaw chuck 3, the staff fixes the cross drill 4 by the three-jaw chuck 3, and then drives the first connecting shaft 5 by the self-rotation translation structure. The connecting shaft 5 and the polishing roller 7 translate in the opposite direction to the initial position, the polishing roller 7 contacts with the drill groove on the cross drill bit 4, and the first connecting shaft 5 is driven to rotate by the self-rotation translation structure. The first connecting shaft 5 drives the polishing roller 7 to rotate through the engaging part, and the polishing roller 7 polishes the drill groove on the cross drill bit 4. The self-rotation lifting structure drives the three-jaw chuck 3 and the cross drill bit 4 to rotate and move downward at the same time, so that the drill groove on the cross drill bit 4 contacts with the polishing roller 7 from bottom to top in sequence, and the polishing roller 7 can automatically polish the drill groove on the cross drill bit 4. Through automated polishing, the purpose of precise positioning polishing is achieved, the work efficiency is improved, and the chip removal performance can be effectively improved.

[0020] Embodiment 2, based on embodiment 1, Figure 2 , Figure 3 , Figure 4 , Fig. 9 , Fig.10 and Fig.11It is given that the self-rotating lifting structure includes a lifting column 8 arranged below the three-jaw chuck 3, a disassembly and assembly part compatible with the three-jaw chuck 3 is installed on the top of the lifting column 8, a spiral groove 9 compatible with the drill groove on the cross drill bit 4 is opened on the lifting column 8, a plurality of support columns 10 compatible with the spiral groove 9 are arranged above the operating table 1, and the operating table 1 is installed with a locking unit compatible with the support column 10, the bottom of the operating table 1 is fixedly connected with a base 2, the bottom end of the lifting column 8 is fixedly connected with a first fixed plate 20, the operating table 1 is provided with a plurality of avoidance holes 33 compatible with the first fixed plate 20, the base 2 is installed with a sliding self-rotating mechanism compatible with the first fixed plate 20, and the bottom of the operating table 1 is installed with a stopper compatible with the first fixed plate 20. The first control housing 11 includes a first control housing 11 fixedly mounted on the base 2, a first rotating shaft 13 is rotatably connected in the first control housing 11, a first servo motor 12 is fixedly mounted on the first control housing 11, an output end of the first servo motor 12 is fixedly connected to the first rotating shaft 13, a second connecting shaft 14 and a third connecting shaft 17 are arranged below the first fixed plate 20, the second connecting shaft 14 and the third connecting shaft 17 are rotatably connected to the first control housing 11 respectively, a plurality of worms 16 are arranged on the outer fixed sleeve of the first rotating shaft 13, a worm wheel 15 meshing with the worm 16 is arranged on the outer fixed sleeve of the second connecting shaft 14, a first friction disc 18 is fixedly connected to the bottom end of the third connecting shaft 17, a second friction disc 19 is fixedly connected to the top end of the second connecting shaft 14, and a second friction disc 19 is fixedly connected to the top end of the second connecting shaft 14. The top of the third connecting shaft 17 is in contact with the bottom of the first friction disc 18. A sliding member adapted to the first fixed plate 20 is installed at the top of the third connecting shaft 17. The sliding member includes a second fixed plate 22 fixedly installed at the top of the third connecting shaft 17. Two guide columns 21 are fixedly connected to the top of the second fixed plate 22, and the top of the guide column 21 passes through the corresponding first fixed plate 20. The disassembly and assembly parts include a mounting plate 23 fixedly installed at the top of the lifting column 8. The mounting plate 23 and the three-jaw chuck 3 are connected by a plurality of bolts 24. The locking unit includes a movable seat 25 fixedly installed on the support column 10, and the movable seat 25 is sleeved on the outside of the lifting column 8. Guide plates 26 are respectively provided on both sides of the movable seat 25. The guide plates 26 are fixedly connected to the operating table 1, and a guide plate 26 is opened There is a guide groove 27 adapted to the movable seat 25, the movable seat 25 is fixedly installed with a support portion 28, a positioning column 29 passes through the support portion 28, the top of the positioning column 29 is fixedly connected with a fixed plate 30, the fixed plate 30 and the support portion 28 are connected by a first tension spring 31, a plurality of positioning holes 32 adapted to the positioning columns 29 are opened on the operating table 1, and the number of the positioning holes 32 is twice the number of the positioning columns 29, the bottom end of the positioning column 29 is located in the corresponding positioning hole 32, the stopper includes a baffle 34 arranged below the first fixed plate 20, the outer sliding sleeve of the baffle 34 is provided with two guide frames 35, the top of the guide frame 35 is fixedly connected to the bottom of the operating table 1, and the bottom of the guide frame 35 is fixedly connected with a magnet block 37,An iron plate 36 is disposed between the two magnet blocks 37 , the top of the iron plate 36 is fixedly connected to the bottom of the baffle 34 , and a handle 38 is fixedly connected to the top of the baffle 34 ; The worm 16 is driven to rotate by the first servo motor 12, and the worm 16 drives the second connecting shaft 14 and the second friction disc 19 to rotate synchronously through the worm gear 15. The second friction disc 19 can drive the first friction disc 18, the third connecting shaft 17 and the second fixed plate 22 to rotate by friction. The second fixed plate 22 drives the first fixed plate 20 and the lifting column 8 to rotate synchronously through the guide column 21. While the lifting column 8 rotates, the inner wall of the spiral groove 9 slides relative to the end of the support column 10, so that the lifting column 8 and the three-jaw chuck 3 move downward synchronously. When the first fixed plate 20 and the lifting column 8 are lowered to the lowest position, the bottom of the first fixed plate 20 and the top of the second fixed plate 22 are in contact, the first fixed plate 20 and the lifting column 8 cannot move downward, and the inner wall of the spiral groove 9 cannot slide relative to the end of the support column 10. As the second friction disc 19 continues to rotate, the second friction disc 19 cannot drive the first friction disc 18 to rotate synchronously by friction, so that the three-jaw chuck 3 and the cross drill 4 can automatically stop after descending to the preset position, without the need to additionally provide an automatic control unit; When it is necessary to drive the cross drill bit 4 and the three-jaw chuck 3 to reset to the initial height, the first connecting shaft 5 and the rotating shell 6 are driven to translate through the self-rotation translation structure, and the polishing roller 7 is no longer in contact with the cross drill bit 4, so that the polishing roller 7 no longer interferes with the upward movement of the cross drill bit 4. The staff drives the fixed plate 30 to move upward, and the fixed plate 30 drives the bottom end of the positioning column 29 to disengage from the corresponding positioning hole 32. The first tension spring 31 is in a tensioned state, and the staff drives the fixed plate 30 and the movable seat 25 to move horizontally. The movable seat 25 slides horizontally relative to the guide plate 26 and the guide groove 27. The movable seat 25 The end of the support column 10 can be driven to slide out of the spiral groove 9, and the positioning column 29 moves to the top of another positioning hole 32. The staff releases the fixed plate 30, and the first tension spring 31 drives the fixed plate 30 and the positioning column 29 to move downward. The bottom end of the positioning column 29 is inserted into the corresponding positioning hole 32, which can limit the position of the movable seat 25 and the support column 10 at this time. The support column 10 no longer interferes with the upward movement of the lifting column 8. The staff drives the three-jaw chuck 3 and the cross drill bit 4 to move upward, and the first fixed plate 20 moves upward relative to the second fixed plate 22 and the guide column 21. The three-jaw chuck 3 and the cross drill bit 4 move up to At the initial height, the staff drives the baffle 34 to slide relative to the guide frame 35 and the operating table 1 through the handle 38, and the iron plate 36 is no longer magnetically attracted to the corresponding magnet block 37. The end of the baffle 34 moves to the bottom of the first fixed plate 20, and the top of the baffle 34 contacts the bottom of the first fixed plate 20, and the iron plate 36 is magnetically attracted to another corresponding magnet block 37. At this time, the baffle 34 supports the first fixed plate 20. Similarly, the staff drives the movable seat 25 to translate in the opposite direction to the initial position again, and the end of the support column 10 is inserted into the spiral groove 9 again. The staff can release the clamping and fixing of the cross drill bit 4 through the three-jaw chuck 3, and drive the bolt 24 to rotate to make the bolt 24 disengage from the three-jaw chuck 3 and the mounting plate 23, so as to complete the separation between the three-jaw chuck 3 and the lifting column 8. The staff drives the lifting column 8 to move upward to make the first fixed plate 20 disengage from the guide column 21, and the lifting column 8 is dismantled, which is convenient for replacing the lifting column 8 and the three-jaw chuck 3, and then facilitating the polishing of the cross drill bits 4 of different specifications.

[0021] Embodiment 3, based on embodiment 1, Figure 1 , Figure 2 , Figure 5 , Figure 6 , Figure 7 and Figure 8It is given that the self-rotation and translation structure includes a side plate 50 fixedly installed on the top of the operating table 1, a second control shell 39 is provided between the two side plates 50, and the two ends of the second control shell 39 are fixedly connected to the corresponding side plates 50 through connecting plates 40, a second servo motor 41 is fixedly connected to one of the connecting plates 40, a second rotating shaft 42 is rotatably connected in the second control shell 39, the output end of the second servo motor 41 is fixedly connected to the second rotating shaft 42, a plurality of fourth connecting shafts 44 are rotatably connected to the second control shell 39, a plurality of first bevel gears 43 are fixedly sleeved on the outside of the second rotating shaft 42, and the number of the first bevel gears 43, the fourth connecting shaft 44 and the first connecting shaft 5 are set to be the same, the fourth connecting shaft 44 is fixedly installed with a second bevel gear 45 meshing with the first bevel gear 43, the fourth connecting shaft 44 is installed with an elastic member adapted to the first connecting shaft 5, the elastic member includes a slider 47 fixedly installed on the end of the fourth connecting shaft 44 away from the second bevel gear 45, and the first connecting shaft 5 is provided with a The slide groove 46, one end of the slider 47 away from the fourth connecting shaft 44 is located in the slide groove 46, and the slider 47 is connected to the inner wall of the slide groove 46 by a second tension spring 48. The side of the rotating shell 6 away from the first connecting shaft 5 is rotatably connected with a stop plate 49, and the two side plates 50 are fixedly connected by a support plate 51, and the support plate 51 is located on the side of the stop plate 49 away from the rotating shell 6. The rotating unit includes a lifting frame 52 arranged above the operating table 1, and the side plate 50 is fixedly installed with a hydraulic telescopic rod 53, and the hydraulic The telescopic end of the telescopic rod 53 is fixedly connected to the lifting frame 52, and the lifting frame 52 is fixedly installed with a plurality of tooth plates 54. An arc-shaped rack 55 is fixedly connected to the outer wall of the rotating shell 6, and the arc-shaped rack 55 is meshed with the corresponding tooth plate 54. The meshing parts include a third bevel gear 56 and a fourth bevel gear 57 arranged in the rotating shell 6. The first connecting shaft 5 is fixedly connected to the third bevel gear 56, and the polishing roller 7 is fixedly connected to the fourth bevel gear 57, and the third bevel gear 56 is meshed with the fourth bevel gear 57. The lifting frame 52 and the toothed plate 54 are driven to move vertically by the hydraulic telescopic rod 53, and the toothed plate 54 can drive the rotating shell 6 to rotate relative to the first connecting shaft 5 through the arc-shaped rack 55, thereby changing the inclination angle of the polishing roller 7. It is necessary to drive the polishing roller 7 and the first connecting shaft 5 to move horizontally so that the polishing roller 7 will not interfere with the bottom end of the cross drill 4 inserted into the three-jaw chuck 3. The staff drives the stop plate 49 to rotate relative to the rotating shell 6 so that the bottom horizontal position of the stop plate 49 is higher than the top horizontal position of the support plate 51. The staff drives the stop plate 49, the rotating shell 6 and the arc-shaped rack 55 to translate relative to the toothed plate 54, and the first connecting shaft 5 slides relative to the slider 47. The second tension spring 48 is in a stretched state. When the polishing roller 7 translates horizontally to the preset position, the staff drives the stop plate 49 to rotate in the opposite direction. The stop plate 49 rotates to the side of the support plate 51 away from the rotating shell 6, and the stop plate 49 and the support plate 51 abut against each other, so that the rotating shell 6 and the polishing roller 7 remain stationary in the horizontal direction. When the movable polishing roller 7 moves horizontally in the opposite direction so that the polishing roller 7 contacts the drill groove on the cross drill bit 4, similarly, the staff drives the stop plate 49 to rotate so that the stop plate 49 no longer abuts against the support plate 51, and the rotating shell 6 and the polishing roller 7 move horizontally in the opposite direction, the polishing roller 7 abuts against the drill groove of the cross drill bit 4, and the second tension spring 48 is in a tensioned state, and the second tension spring 48 applies a pulling force to the first connecting shaft 5, the rotating shell 6 and the polishing roller 7 in the horizontal direction, and the force of the polishing roller 7 pressing the drill groove on the cross drill bit 4 reaches a preset value, and the second servo motor 41 drives the second rotating shaft 42 to rotate, and the second rotating shaft 42 drives the fourth connecting shaft 44 and the slider 47 to rotate through the first bevel gear 43 and the second bevel gear 45, and the slider 47 can drive the first connecting shaft 5 and the third bevel gear 56 to rotate, and the third bevel gear 56 drives the polishing roller 7 to rotate through the fourth bevel gear 57, and the polishing roller 7 can automatically polish the drill groove of the cross drill bit 4, which can be automated and improve the polishing efficiency.

[0022] This embodiment also provides an implementation process of a surface polishing device for producing a cross drill, including the surface polishing device for producing a cross drill as described above, comprising the following steps: Step 1: Drive the rotating shell 6 to rotate relative to the first connecting shaft 5 through the rotating unit, so that the rotating shell 6 drives the polishing roller 7 to be at a preset tilt angle, and drive the first connecting shaft 5, the rotating shell 6 and the polishing roller 7 to translate through the self-rotation translation structure to prevent the polishing roller 7 from interfering with the bottom end of the cross drill 4 inserted into the three-jaw chuck 3; Step 2: The staff drives the bottom end of the cross drill bit 4 to be inserted into the three-jaw chuck 3, and fixes the cross drill bit 4 through the three-jaw chuck 3, and then drives the first connecting shaft 5 and the polishing roller 7 to translate in the opposite direction to the initial position through the self-rotation translation structure, and the polishing roller 7 contacts the drill groove on the cross drill bit 4; Step 3: The first connecting shaft 5 is driven to rotate by the self-rotation translation structure, and the first connecting shaft 5 drives the polishing roller 7 to rotate by the engagement member, and the polishing roller 7 polishes the drill groove on the cross drill bit 4; Step 4: The self-rotating lifting structure drives the three-jaw chuck 3 and the cross drill bit 4 to rotate and move downward at the same time, so that the drill grooves on the cross drill bit 4 contact with the polishing roller 7 from bottom to top in sequence, and the polishing roller 7 can polish the drill grooves on the cross drill bit 4.

[0023] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

Claims

1. A surface polishing device for producing a cross drill, comprising an operating table (1), characterized in that: A plurality of three-jaw chucks (3) for clamping cross drill bits (4) are arranged above the operating table (1), and a self-rotating lifting structure for driving the three-jaw chucks (3) to move vertically and rotate is installed on the operating table (1); A rotating shell (6) is provided above the three-jaw chuck (3), a polishing roller (7) for polishing the drill groove on the cross drill bit (4) being rotatably connected to the rotating shell (6), a first connecting shaft (5) being rotatably connected to the rotating shell (6), and a meshing member matched with the polishing roller (7) being installed on the first connecting shaft (5); The operating table (1) is equipped with a rotation and translation structure for driving the first connecting shaft (5) to move horizontally and rotate, and the operating table (1) is equipped with a rotation unit for driving the rotating shell (6) to rotate.

2. The surface polishing equipment for cross drill production according to claim 1, characterized in that: The self-rotating lifting structure comprises a lifting column (8) arranged below the three-jaw chuck (3); a disassembly and assembly part compatible with the three-jaw chuck (3) is installed on the top of the lifting column (8); a spiral groove (9) compatible with the drill groove on the cross drill bit (4) is provided on the lifting column (8); a plurality of support columns (10) compatible with the spiral groove (9) are provided above the operating table (1); a locking unit compatible with the support columns (10) is installed on the operating table (1); a base (2) is fixedly connected to the bottom of the operating table (1); a first fixed plate (20) is fixedly connected to the bottom end of the lifting column (8); a plurality of avoidance holes (33) compatible with the first fixed plate (20) are provided on the operating table (1); a sliding self-rotating mechanism compatible with the first fixed plate (20) is installed on the base (2); and a stopper compatible with the first fixed plate (20) is installed at the bottom of the operating table (1).

3. The surface polishing equipment for cross drill production according to claim 2, characterized in that: The sliding self-rotating mechanism comprises a first control housing (11) fixedly mounted on the base (2), a first rotating shaft (13) being rotatably connected inside the first control housing (11), a first servo motor (12) being fixedly mounted on the first control housing (11), an output end of the first servo motor (12) being fixedly connected to the first rotating shaft (13), a second connecting shaft (14) and a third connecting shaft (17) being provided below the first fixed plate (20), the second connecting shaft (14) and the third connecting shaft (17) being rotatably connected to the first control housing (11) respectively. The outer fixed sleeve of the first rotating shaft (13) is provided with a plurality of worms (16), the outer fixed sleeve of the second connecting shaft (14) is provided with a worm wheel (15) meshing with the worm (16), the bottom end of the third connecting shaft (17) is fixedly connected with a first friction disc (18), the top end of the second connecting shaft (14) is fixedly connected with a second friction disc (19), the top of the second friction disc (19) is in contact with the bottom of the first friction disc (18), and the top end of the third connecting shaft (17) is provided with a sliding member adapted to the first fixed plate (20).

4. The surface polishing equipment for producing cross drill bits according to claim 3, characterized in that: The sliding member comprises a second fixing plate (22) fixedly mounted on the top end of the third connecting shaft (17); two guide columns (21) are fixedly connected to the top end of the second fixing plate (22); and the top ends of the guide columns (21) penetrate the corresponding first fixing plate (20).

5. The surface polishing equipment for producing cross drill bits according to claim 2, characterized in that: The disassembly and assembly component comprises a mounting plate (23) fixedly mounted on the top of the lifting column (8); the mounting plate (23) and the three-jaw chuck (3) are connected via a plurality of bolts (24).

6. The surface polishing equipment for producing cross drill bits according to claim 2, characterized in that: The locking unit comprises a movable seat (25) fixedly mounted on the support column (10), and the movable seat (25) is sleeved on the outside of the lifting column (8), guide plates (26) are respectively provided on both sides of the movable seat (25), the guide plates (26) are fixedly connected to the operating table (1), and guide grooves (27) matched with the movable seat (25) are provided on the guide plates (26), a support portion (28) is fixedly mounted on the movable seat (25), a positioning column (29) passes through the support portion (28), a fixing plate (30) is fixedly connected to the top of the positioning column (29), and the fixing plate (30) and the support portion (28) are connected via a first tension spring (31), and a plurality of positioning holes (32) matched with the positioning columns (29) are provided on the operating table (1), and the number of the positioning holes (32) is twice the number of the positioning columns (29), and the bottom ends of the positioning columns (29) are located in the corresponding positioning holes (32).

7. The surface polishing equipment for producing cross drill bits according to claim 2, characterized in that: The stopper comprises a baffle (34) arranged below the first fixed plate (20); an outer sliding sleeve of the baffle (34) is provided with two guide frames (35); the top of the guide frames (35) is fixedly connected to the bottom of the operating table (1); a magnet block (37) is fixedly connected to the bottom of the guide frames (35); an iron plate (36) is provided between the two magnet blocks (37); the top of the iron plate (36) is fixedly connected to the bottom of the baffle (34); and the top of the baffle (34) is fixedly connected to a handle (38).

8. The surface polishing equipment for producing cross drill bits according to claim 1, characterized in that: The self-rotation translation structure comprises a side plate (50) fixedly mounted on the top of the operating table (1); a second control housing (39) is provided between the two side plates (50); two ends of the second control housing (39) are fixedly connected to the corresponding side plates (50) via connecting plates (40); a second servo motor (41) is fixedly connected to one of the connecting plates (40); a second rotating shaft (42) is rotatably connected inside the second control housing (39); an output end of the second servo motor (41) is fixedly connected to the second rotating shaft (42); a plurality of fourth connecting shafts (44) are rotatably connected to the second control housing (39); an outer fixed sleeve of the second rotating shaft (42) is provided with a plurality of first bevel gears (43); the number of the first bevel gears (43), the fourth connecting shaft (44) and the first connecting shaft (5) is the same; a second bevel gear (45) meshing with the first bevel gear (43) is fixedly mounted on the fourth connecting shaft (44); and an elastic member matching the first connecting shaft (5) is mounted on the fourth connecting shaft (44).

9. The surface polishing equipment for producing cross drill bits according to claim 8, characterized in that: The elastic member comprises a slider (47) fixedly mounted on an end of the fourth connecting shaft (44) away from the second bevel gear (45); a slide groove (46) is provided on the first connecting shaft (5); an end of the slider (47) away from the fourth connecting shaft (44) is located in the slide groove (46); and the slider (47) and an inner wall of the slide groove (46) are connected via a second tension spring (48).

10. The surface polishing equipment for producing cross drill bits according to claim 8, characterized in that: A stop plate (49) is rotatably connected to a side of the rotating shell (6) away from the first connecting shaft (5), and the two side plates (50) are fixedly connected via a supporting plate (51), and the supporting plate (51) is located on a side of the stop plate (49) away from the rotating shell (6).

11. The surface polishing equipment for producing cross drill bits according to claim 8, characterized in that: The rotating unit comprises a lifting frame (52) arranged above the operating table (1); a hydraulic telescopic rod (53) is fixedly mounted on the side plate (50); the telescopic end of the hydraulic telescopic rod (53) is fixedly connected to the lifting frame (52); a plurality of tooth plates (54) are fixedly mounted on the lifting frame (52); an arc-shaped toothed rack (55) is fixedly connected to the outer wall of the rotating shell (6); and the arc-shaped toothed rack (55) is meshed with the corresponding toothed rack (54).

12. The surface polishing equipment for producing cross drill bits according to claim 1, characterized in that: The meshing member comprises a third bevel gear (56) and a fourth bevel gear (57) which are arranged in the rotating shell (6); the first connecting shaft (5) is fixedly connected to the third bevel gear (56); the polishing roller (7) is fixedly connected to the fourth bevel gear (57); and the third bevel gear (56) and the fourth bevel gear (57) are meshed with each other.

13. An implementation process of a surface polishing device for producing a cross drill, comprising the surface polishing device for producing a cross drill as claimed in claim 1, characterized in that: The following steps are involved: Step 1: driving the rotating shell (6) to rotate relative to the first connecting shaft (5) through the rotating unit, so that the rotating shell (6) drives the polishing roller (7) to be at a preset tilt angle, and driving the first connecting shaft (5), the rotating shell (6) and the polishing roller (7) to translate through the self-rotation translation structure, so as to prevent the polishing roller (7) from interfering with the bottom end of the cross drill bit (4) being inserted into the three-jaw chuck (3); Step 2: The staff drives the bottom end of the cross drill bit (4) to be inserted into the three-jaw chuck (3), and fixes the cross drill bit (4) through the three-jaw chuck (3), and then drives the first connecting shaft (5) and the polishing roller (7) to translate in the opposite direction to the initial position through the self-rotation translation structure, and the polishing roller (7) contacts the drill groove on the cross drill bit (4); Step 3: driving the first connecting shaft (5) to rotate by means of the self-rotating translation structure, the first connecting shaft (5) driving the polishing roller (7) to rotate by means of the meshing member, and the polishing roller (7) polishing the drill groove on the cross drill bit (4); Step 4: The self-rotating lifting structure drives the three-jaw chuck (3) and the cross drill bit (4) to rotate and move downward at the same time, so that the drill grooves on the cross drill bit (4) contact the polishing roller (7) from bottom to top in sequence, and the polishing roller (7) can polish the drill grooves on the cross drill bit (4).

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