A CNC turning and milling compound machine tool with anti-collision protection

Abstract

The present invention relates to the field of machine tool technology, and in particular to a CNC turning and milling compound machine tool with anti-collision protection. A multi-section telescopic protective cover is installed at one end of the X-axis slide near the tailstock. The multi-section telescopic protective cover is arranged outside the X-axis guide rail. A first connecting rod is connected to the cover body at the end of the multi-section telescopic protective cover. A first limiting guide sleeve is provided for the Y-axis interpolation inclined block. The first connecting rod is provided with a first limiting plate. An open movable space is provided in the cover body at the end of the multi-section telescopic protective cover. A baffle is provided at the opening of the movable space. A cross bar is provided for movement in the movable space. Both ends of the cross bar are connected to a second connecting rod. The second connecting rod is slidably connected to the Y-axis interpolation inclined block. The two second connecting rods are connected via a second limiting plate. The Y-axis interpolation drive mechanism is provided with a limiting protrusion. The multi-section telescopic protective cover of the present application can be adaptively extended and retracted, has good protection, avoids collision between the multi-section telescopic protective cover and the tailstock, does not require a pit to be provided on the tailstock, and has good rigidity.

Description

Technical Field

[0001] The present invention relates to the technical field of machine tools, in particular to a CNC turning and milling compound machine tool with anti-collision protection. Background Art

[0002] When ordinary metal cutting machines are in operation, metal chips fly everywhere as the tool cuts through the metal workpiece. The friction generated by the tool cutting the metal workpiece generates heat, so cutting fluid must be sprayed during the process to cool the workpiece. This also causes the cutting fluid to splash everywhere, causing metal chips and cutting fluid to splash onto the machine's transmission components, such as the screw and guide rails, resulting in loss of precision and prone to failure. Therefore, the machine must have a protective cover. Due to space limitations, the X-axis of a conventional milling machine with a powered turret structure and an interpolated Y-axis must be equipped with a recessed avoidance groove in the tailstock to prevent the movement of the protective cover. However, this reduces the rigidity of the tailstock, causing vibration when the tailstock is used to support the workpiece during processing, resulting in substandard workpiece finish. Excessive machine vibration can easily damage the tool, increasing the cost of consumables.

[0003] Because of the above reasons, there is not enough space for the X-axis, and the rigidity of the tailstock must be guaranteed, so a protective cover is simply not made. For example: Chinese patent application number 202022772746.8 discloses a turning-milling compound CNC lathe with a synthetic Y-axis and Chinese patent application number 201621359599.9 discloses a turning-milling compound dual-spindle CNC machine tool with an inclined bed and flat guide rail. However, in this way, the screw rod or guide rail of the machine tool cannot be protected and the accuracy is easily lost, which leads to low precision of the machined workpiece and fails to meet the workpiece precision requirements. At the same time, the machine tool is not durable, has a short service life, and has high maintenance costs. The transmission dynamic bearing is easily infiltrated by cutting fluid, causing damage to the transmission bearing. In addition, because the transmission guide rail has no protective cover, cutting fluid and / or waste residue will be on the transmission guide rail, causing damage to the transmission guide rail.

[0004] Among the existing patents, the Chinese document with application number 202211145234.6 discloses a new processing device and process for wind power generation screw sleeves and new energy motor shafts. Although it discloses that a plurality of superimposed telescopically connected second protective baffles are respectively connected between the longitudinal movement seat body and the transverse movement seat body, the second protective baffles are opposite to the longitudinal sliding mechanism and slide with the longitudinal sliding mechanism in a limited manner, the device does not have a tailstock. Although there will be no problem of collision between the second protective baffle and the tailstock, the device cannot support the workpiece for processing.

[0005] Therefore, the defects are very obvious and a solution is urgently needed. Summary of the Invention

[0006] In order to solve the above technical problems, the purpose of the present invention is to provide a CNC turning and milling compound machine tool with anti-collision protection.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A CNC turning and milling compound machine tool with anti-collision protection, which includes an inclined machine base, an axis mounting base mounted on the inclined machine base, a main shaft rotatably connected to the axis mounting base, a chuck mounted on one end of the main shaft, a rotation drive mechanism mounted on the inclined machine base or the axis mounting base and used to drive the main shaft to rotate, a tailstock slidably connected to the inclined machine base and arranged opposite to the axis mounting base, a top head rotatably connected to the tailstock and arranged opposite to the chuck, a moving drive mechanism mounted on the inclined machine base and used to drive the tailstock to move closer to or away from the axis mounting base, and a Z-axis guide rail mounted on the inclined machine base , a Z-axis slide slidably connected to the Z-axis guide rail and located at the rear side of the tailstock, a Z-axis drive mechanism installed on the inclined machine base and used to drive the Z-axis slide to slide back and forth along the Z-axis direction, a Y-axis interpolation guide rail installed on the Z-axis slide, a Y-axis interpolation inclined block slidably connected to the Y-axis interpolation guide rail, a Y-axis interpolation drive mechanism installed on the Z-axis slide and used to drive the Y-axis interpolation inclined block to move closer to or away from the tailstock, an X-axis guide rail installed on the inclined surface of the Y-axis interpolation inclined block, an X-axis slide slidably connected to the X-axis guide rail, and a turning and milling compound machine installed on the X-axis slide The tool magazine mechanism and the X-axis drive mechanism installed on the inclined surface of the Y-axis interpolation inclined block and used to drive the X-axis slide to move close to or away from the tailstock, the end of the X-axis slide close to the tailstock is equipped with a multi-section telescopic protective cover, the multi-section telescopic protective cover is arranged outside the X-axis guide rail and above the Y-axis interpolation guide rail, the cover body at the end of the multi-section telescopic protective cover is connected with a first connecting rod, the Y-axis interpolation inclined block is provided with a first limiting guide sleeve, the first connecting rod slides through the first limiting guide sleeve, the end of the first connecting rod away from the multi-section telescopic protective cover is provided with a first limiting plate, the first limiting The positioning plate is used to interfere with the first limiting guide sleeve. An open movable space is provided in the cover body at the end of the multi-section telescopic protective cover. A baffle is provided at the opening of the movable space. A cross bar is movably provided in the movable space. The baffle limits the cross bar within the movable space. Both ends of the cross bar are connected with a second connecting rod, and the second connecting rod is slidably connected to the Y-axis interpolation inclined block. The two second connecting rods are connected via a second limiting plate. A limiting protrusion is fixedly provided on the Y-axis interpolation drive mechanism. The limiting protrusion is located between the two second connecting rods, and the second limiting plate is used to interfere with the limiting protrusion.

[0009] Furthermore, the multi-section telescopic protective cover is composed of a plurality of cover bodies that are slidably mounted from the outside to the inside in sequence. The end of the upper cover body is provided with an end limit edge, and the head end of the next cover body is provided with a head limit edge. The head limit edge of the next cover body extends into the upper cover body, and the end limit edge is used to limit the head limit edge to the corresponding upper cover body.

[0010] Furthermore, the number of the covers is three.

[0011] Furthermore, a roller is rotatably sleeved on the crossbar, and the roller rolls against the inner wall of the activity space.

[0012] Furthermore, it also includes a numerical control system electrically connected to the rotation drive mechanism, the movement drive mechanism, the Z-axis drive mechanism, the Y-axis interpolation drive mechanism and the X-axis drive mechanism respectively. The Y-axis interpolation drive mechanism includes a Y-axis interpolation fixed seat mounted on the Z-axis slide, a Y-axis interpolation nut mounted on the Y-axis interpolation fixed seat, a Y-axis interpolation screw rotatably connected to the Y-axis interpolation bevel and threaded through the Y-axis interpolation nut, a Y-axis interpolation motor mounted on the Y-axis interpolation bevel and a Y-axis interpolation encoder electrically connected to the Y-axis interpolation motor. A limiting protrusion is provided on the Y-axis interpolation fixed seat. The output shaft of the Y-axis interpolation motor is drive-connected to the Y-axis interpolation screw, and the Y-axis interpolation encoder is electrically connected to the numerical control system.

[0013] Furthermore, the X-axis drive mechanism includes an X-axis fixed seat mounted on the bottom surface of the X-axis slide, an X-axis nut mounted on the X-axis fixed seat, an X-axis screw rotatably connected to the Y-axis interpolation bevel block and threaded through the X-axis nut, an X-axis motor mounted on the Y-axis interpolation bevel block and drivingly connected to the X-axis screw, and an X-axis encoder electrically mounted on the X-axis motor, and the X-axis encoder is electrically connected to the CNC system.

[0014] Furthermore, a telescopic protective shell is connected between the tailstock and the inclined machine base, and the telescopic protective shell cover is arranged outside the mobile driving mechanism.

[0015] Furthermore, protective baffles are installed on both sides of the Y-axis interpolation ramp block, and the protective baffles shield the Z-axis guide rail.

[0016] The beneficial effects of the present invention are as follows: in actual application, the workpiece is clamped on the clamping head, and then the mobile drive mechanism drives the tailstock and the plug to move toward the workpiece until the plug is pressed against the end face of the workpiece to clamp and fix the workpiece, and the rotation drive mechanism drives the spindle to rotate together with the clamping head and the workpiece, and then the Z-axis drive mechanism, the X-axis drive mechanism and the Y-axis interpolation drive mechanism coordinate the driving to realize the Z-axis, X-axis and Y-axis feeding of the turning-milling compound tool magazine mechanism, so that the turning-milling compound tool magazine mechanism performs turning and milling processing on the workpiece. When the multi-section telescopic protective cover is in a position away from the tailstock, due to the inclination of the multi-section telescopic protective cover, the multi-section telescopic protective cover is in a fully extended state under the action of gravity, and the extended multi-section telescopic protective cover covers and protects the X-axis guide rail. During the X-axis feeding process (when the X-axis slide moves toward the negative direction of the X-axis), the X-axis drive mechanism drives the X-axis slide together with the turning and milling compound tool magazine mechanism and the multi-section telescopic protective cover to move toward the tailstock. In the process of the multi-section telescopic protective cover moving toward the tailstock, the moving multi-section telescopic protective cover drives the first connecting rod, the first limit plate, the second connecting rod and the second limit plate to move synchronously. When the first limit plate and the first limit plate are aligned, the X-axis drive mechanism drives the X-axis slide together with the turning and milling compound tool magazine mechanism and the multi-section telescopic protective cover to move toward the tailstock. When the guide sleeve collides, the first limiting guide sleeve limits the first limiting plate, so that the first connecting rod cannot continue to move in the direction close to the tail stock. As the X-axis slide continues to move in the direction close to the tail stock, the multi-section telescopic protective cover folds and contracts. When the second limiting plate collides with the limiting protrusion, the limiting protrusion restricts the second limiting plate and the second connecting rod from moving in the direction close to the tail stock, so that the second connecting rod and the cross bar cannot continue to move in the direction close to the tail stock. As the X-axis slide continues to move in the direction close to the tail stock, the cross bar will pull the cover body at the end of the multi-section telescopic protective cover, so that the cover body at the end folds and retracts to prevent the extended multi-section telescopic protective cover from continuing to follow the movement of the X-axis slide and colliding with the tail stock. In addition, when Y-axis interpolation is in progress (when the Y-axis interpolation inclined block moves in the positive direction of Y-axis interpolation), the Y-axis interpolation drive mechanism drives the Y-axis interpolation inclined block to move toward the direction close to the tailstock, and the moving Y-axis interpolation inclined block drives the extended multi-section telescopic protective cover to move synchronously toward the direction close to the tailstock. When the second limit plate collides with the limit protrusion, the limit protrusion restricts the second limit plate and the second connecting rod from moving toward the direction close to the tailstock, so that the second connecting rod and the cross bar cannot continue to move toward the direction close to the tailstock. The cross bar moves relative to the cover body at the end within the active space. As the X-axis slide continues to move toward the direction close to the tailstock, when the cross bar collides with the baffle, the cross bar will pull the baffle, so that the cover body at the end of the multi-section telescopic protective cover is pulled upward and folded back to prevent the extended multi-section telescopic protective cover from continuing to follow the movement of the Y-axis interpolation inclined block and colliding with the tailstock.The Y-axis feed is achieved through the coordinated cooperation of the X-axis feed and the Y-axis interpolation feed. During the Y-axis feed, the multi-section telescopic protective cover will adaptively extend and retract under the coordinated action of the first link and the second link, which not only can normally protect the X-axis guide rail, prevent cutting fluid and / or cutting chips from contaminating the X-axis guide rail, and facilitate cleaning, but also realizes that there is no need to set a recess on the tailstock and can avoid the collision of the multi-section telescopic protective cover and the tailstock, thereby ensuring the rigidity and service life of the tailstock. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure from another perspective of the present invention.

[0019] Figure 3 It is a three-dimensional structural diagram of the multi-section telescopic protective cover, Z-axis slide, Y-axis interpolation guide rail, Y-axis interpolation inclined block, Y-axis interpolation drive mechanism, X-axis guide rail, X-axis slide and X-axis drive mechanism of the present invention.

[0020] Figure 4 for Figure 3 Cross-sectional view in .

[0021] Description of reference numerals:

[0022] 1. Inclined machine base; 2. Axis mounting base; 3. Spindle; 4. Chuck; 5. Rotation drive mechanism; 6. Tailstock; 7. Ejector head; 8. Transmission drive mechanism; 9. Z-axis guide rail; 10. Z-axis slide; 11. Z-axis drive mechanism; 12. Y-axis interpolation guide rail; 13. Y-axis interpolation inclined block; 14. Y-axis interpolation drive mechanism; 15. X-axis guide rail; 16. X-axis slide; 17. Turning and milling tool magazine mechanism; 18. X-axis drive mechanism; 19. Multi-section telescopic protective cover; 20. First connecting rod; 21. First limit guide sleeve; 22. First limit plate; 23. Movable space; 24. Baffle; 25. Crossbar; 26. Second connecting rod; 27. Limiting bump; 28. Cover; 29. ​​Roller; 30. Y-axis interpolation fixing seat; 31. Y-axis interpolation nut; 32. Y-axis interpolation screw; 33. Y-axis interpolation motor; 34. Y-axis interpolation encoder; 35. X-axis fixing seat; 36. X-axis nut; 37. X-axis screw; 38. X-axis motor; 39. X-axis encoder; 40. Telescopic protective shell; 41. Protective baffle; 42. Second limit plate. DETAILED DESCRIPTION

[0023] In order to facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and drawings. The contents mentioned in the embodiments are not intended to limit the present invention.

[0024] like Figures 1 to 4As shown, the present invention provides a CNC turning and milling compound machine tool with anti-collision protection, which includes an inclined machine base 1, an axis mounting base 2 installed on the inclined machine base 1, a main shaft 3 rotatably connected to the axis mounting base 2, a chuck 4 installed at one end of the main shaft 3, a rotation driving mechanism 5 installed on the inclined machine base 1 or the axis mounting base 2 and used to drive the main shaft 3 to rotate, a tailstock 6 slidably connected to the inclined machine base 1 and arranged opposite to the axis mounting base 2, a top head 7 rotatably connected to the tailstock 6 and arranged opposite to the chuck 4, a moving driving mechanism 8 installed on the inclined machine base 1 and used to drive the tailstock 6 to move close to or away from the axis mounting base 2, a Z-axis guide rail 9 installed on the inclined machine base 1, and a chuck 4 slidably connected to the tailstock 6. The Z-axis guide rail 9 is provided on the rear side of the tailstock 6 and is used to guide the Z-axis slide 10; the Z-axis driving mechanism 11 is installed on the inclined machine base 1 and is used to drive the Z-axis slide 10 to slide back and forth along the Z-axis direction; the Y-axis interpolation guide rail 12 is installed on the Z-axis slide 10; the Y-axis interpolation inclined block 13 is slidably connected to the Y-axis interpolation guide rail 12; the Y-axis interpolation driving mechanism 14 is installed on the Z-axis slide 10 and is used to drive the Y-axis interpolation inclined block 13 to move closer to or away from the tailstock 6; the X-axis guide rail 15 is installed on the inclined surface of the Y-axis interpolation inclined block 13; the X-axis slide 16 is slidably connected to the X-axis guide rail 15; the turning and milling compound tool magazine mechanism 17 is installed on the X-axis slide 16; and the Y-axis interpolation driving mechanism 18 is installed on the Y-axis interpolation inclined block 18. The inclined surface of the axis interpolation inclined block 13 is used to drive the X-axis slide 16 to move close to or away from the tailstock 6. The end of the X-axis slide 16 close to the tailstock 6 is equipped with a multi-section telescopic protective cover 19. The multi-section telescopic protective cover 19 is arranged outside the X-axis guide rail 15 and is located above the Y-axis interpolation guide rail 12. The cover body 28 at the end of the multi-section telescopic protective cover 19 is connected with a first connecting rod 20. The Y-axis interpolation inclined block 13 is provided with a first limiting guide sleeve 21. The first connecting rod 20 slides through the first limiting guide sleeve 21. The end of the first connecting rod 20 away from the multi-section telescopic protective cover 19 is provided with a first limiting plate 22. The first limiting plate 22 is used to contact the first limiting plate The multi-section telescopic protective cover 19 is in conflict with the positioning guide sleeve 21. The cover body 28 at the end of the multi-section telescopic protective cover 19 is provided with an open movable space 23. A baffle 24 is provided at the opening of the movable space 23. A cross bar 25 is movably provided in the movable space 23. The baffle 24 limits the cross bar 25 in the movable space 23. Both ends of the cross bar 25 are connected with a second connecting rod 26. The second connecting rod 26 is slidably connected to the Y-axis interpolation inclined block 13. The two second connecting rods 26 are connected via a second limiting plate 42. A limiting protrusion 27 is fixedly provided on the Y-axis interpolation drive mechanism 14. The limiting protrusion 27 is located between the two second connecting rods 26. The second limiting plate 42 is used to conflict with the limiting protrusion 27.

[0025] In actual application, the workpiece is clamped on the chuck 4, and then the mobile drive mechanism 8 drives the tailstock 6 and the jack head 7 to move toward the workpiece until the jack head 7 is pressed against the end face of the workpiece to clamp the workpiece. The rotation drive mechanism 5 drives the spindle 3 to rotate the chuck 4 and the workpiece, and then the Z-axis drive mechanism 11, the X-axis drive mechanism 18 and the Y-axis interpolation drive mechanism 14 are coordinated to realize the Z-axis, X-axis and Y-axis feeding of the turning-milling compound tool magazine mechanism 17, so that the turning-milling compound tool magazine mechanism 17 performs turning and milling processing on the workpiece. When the multi-section telescopic protective cover 19 is in a position away from the tailstock 6, due to the inclination of the multi-section telescopic protective cover 19, the multi-section telescopic protective cover 19 is in a fully extended state under the action of gravity, and the extended multi-section telescopic protective cover 19 covers and protects the X-axis guide rail 15. During the X-axis feeding process (when the X-axis slide 16 moves toward the negative direction of the X-axis), the X-axis driving mechanism 18 drives the X-axis slide 16 together with the turning and milling compound tool magazine mechanism 17 and the multi-section telescopic protective cover 19 to move toward the tailstock 6. In the process of the multi-section telescopic protective cover 19 moving toward the tailstock 6, the moving multi-section telescopic protective cover 19 drives the first connecting rod 20, the first limit plate 22, the second connecting rod 26 and the second limit plate 42 to move synchronously. When the first limit plate 22 contacts the first limit guide sleeve 21 When the contact is made, the first limiting guide sleeve 21 limits the first limiting plate 22, so that the first connecting rod 20 cannot continue to move toward the direction close to the tail stock 6. As the X-axis slide 16 continues to move toward the direction close to the tail stock 6, the multi-section telescopic protective cover 19 folds and shrinks. When the second limiting plate 42 conflicts with the limiting protrusion 27, the limiting protrusion 27 restricts the second limiting plate 42 and the second connecting rod 26 from moving toward the direction close to the tail stock 6, so that the second connecting rod 26 and the cross bar 25 cannot continue to move toward the direction close to the tail stock 6. As the X-axis slide 16 continues to move toward the direction close to the tail stock 6, the cross bar 25 will pull the cover body 28 at the end of the multi-section telescopic protective cover 19, so that the cover body 28 at the end folds and retracts to prevent the extended multi-section telescopic protective cover 19 from continuing to follow the X-axis slide 16 to move and collide with the tail stock 6.In addition, when Y-axis interpolation is performed (when the Y-axis interpolation inclined block 13 moves in the positive direction of Y-axis interpolation), the Y-axis interpolation driving mechanism 14 drives the Y-axis interpolation inclined block 13 to move in the direction close to the tailstock 6, and the moving Y-axis interpolation inclined block 13 drives the extended multi-section telescopic protective cover 19 to move synchronously in the direction close to the tailstock 6. When the second limit plate 42 conflicts with the limit protrusion 27, the limit protrusion 27 limits the second limit plate 42 and the second connecting rod 26 from moving in the direction close to the tailstock 6, so that the second limit plate 42 and the second connecting rod 26 are not moved in the direction close to the tailstock 6. The connecting rod 26 and the cross bar 25 cannot continue to move toward the direction close to the tailstock 6. The cross bar 25 moves relative to the cover body 28 at the end in the movable space 23. As the X-axis slide 16 continues to move toward the direction close to the tailstock 6, when the cross bar 25 hits the baffle 24, the cross bar 25 will pull the baffle 24, so that the cover body 28 at the end of the multi-section telescopic protective cover 19 is pulled upward and folded back to prevent the extended multi-section telescopic protective cover 19 from continuing to move with the Y-axis interpolation inclined block 13 and colliding with the tailstock 6. The Y-axis feed is achieved through the coordinated cooperation of the X-axis feed and the Y-axis interpolation feed. During the Y-axis feed, the multi-section telescopic protective cover 19 will adaptively extend and retract under the coordinated action of the first connecting rod 20 and the second connecting rod 26, which not only can provide normal protection for the X-axis guide rail 15, avoid the cutting fluid and / or cutting chips from contaminating the X-axis guide rail 15, and facilitate cleaning, but also realizes that there is no need to set a recess on the tailstock 6, and can also avoid the multi-section telescopic protective cover 19 from colliding with the tailstock 6, thereby ensuring the rigidity and service life of the tailstock 6.

[0026] In addition, when the X-axis slide 16 moves to the negative limit position on the X-axis, the CNC system controls the Y-axis interpolation ramp 13 to prohibit movement toward the positive limit position of the Y-axis interpolation, thereby achieving the adaptive telescopic protection effect of the multi-section telescopic protective cover 19. When the Y-axis interpolation ramp 13 moves to the positive limit position of the Y-axis interpolation, the CNC system controls the X-axis slide 16 to prohibit movement toward the negative limit position of the X-axis, and the multi-section telescopic protective cover 19 can also adaptively retract and retract for protection.

[0027] In this embodiment, the multi-section telescopic protective cover 19 is composed of a plurality of cover bodies 28 that are slidably mounted in sequence from the outside to the inside. The end of the upper cover body 28 is provided with an end-limiting edge, and the beginning of the lower cover body 28 is provided with a beginning-limiting edge. The beginning-limiting edge of the lower cover body 28 extends into the upper cover body 28, and the end-limiting edge is used to limit the beginning-limiting edge within the corresponding upper cover body 28. In actual application, the beginning-limiting edge and the end-limiting edge interfere with each other to prevent the two adjacent cover bodies 28 from separating. When the lower cover body 28 is extended and retracted to the limit, the beginning-limiting edge of the lower cover body 28 pulls the end-limiting edge of the upper cover body 28, causing the upper cover body 28 to extend under the pull of the lower cover body 28.

[0028] In this embodiment, the number of the cover bodies 28 is three. The multi-section telescopic protective cover 19 of this structure has a compact structure and good telescopic stability.

[0029] In this embodiment, a roller 29 is rotatably sleeved on the crossbar 25, and the roller 29 rolls against the inner wall of the activity space 23. During the extension and contraction of the multi-section telescopic protective cover 19, the roller 29 rolls against the inner wall of the activity space 23, reducing frictional resistance and wear.

[0030] In this embodiment, a numerical control system is further included which is electrically connected to the rotation drive mechanism 5, the movement drive mechanism 8, the Z-axis drive mechanism 11, the Y-axis interpolation drive mechanism 14 and the X-axis drive mechanism 18 respectively. The Y-axis interpolation drive mechanism 14 includes a Y-axis interpolation fixed seat 30 mounted on the Z-axis slide 10, a Y-axis interpolation nut 31 mounted on the Y-axis interpolation fixed seat 30, a Y-axis interpolation screw rod 32 rotatably connected to the Y-axis interpolation inclined block 13 and threadedly passing through the Y-axis interpolation nut 31, a Y-axis interpolation motor 33 mounted on the Y-axis interpolation inclined block 13, and a Y-axis interpolation encoder 34 electrically connected to the Y-axis interpolation motor 33. The limit protrusion 2 7 is arranged on the Y-axis interpolation fixed base 30, the output shaft of the Y-axis interpolation motor 33 is drivingly connected to the Y-axis interpolation screw rod 32, and the Y-axis interpolation encoder 34 is electrically connected to the numerical control system. The X-axis drive mechanism 18 includes an X-axis fixed base 35 mounted on the bottom surface of the X-axis slide 16, an X-axis nut 36 mounted on the X-axis fixed base 35, an X-axis screw rod 37 rotatably connected to the Y-axis interpolation inclined block 13 and threaded through the X-axis nut 36, an X-axis motor 38 mounted on the Y-axis interpolation inclined block 13 and drivingly connected to the X-axis screw rod 37, and an X-axis encoder 39 electrically mounted on the X-axis motor 38. The X-axis encoder 39 is electrically connected to the numerical control system.

[0031] In actual application, the Y-axis interpolation motor 33 drives the Y-axis interpolation screw 32 to rotate, and the rotating Y-axis interpolation screw 32 is threadedly connected to the Y-axis interpolation nut 31. Since the Y-axis interpolation nut 31 is fixed, the Y-axis interpolation bevel block 13 is slidably connected to the Y-axis interpolation guide rail 12, so the Y-axis interpolation screw 32, together with the Y-axis interpolation bevel block 13 and the turning-milling compound tool magazine mechanism 17, reciprocates along the Y-axis interpolation guide rail 12. During the reciprocating movement of the Y-axis interpolation bevel block 13, the Y-axis interpolation encoder 34 installed on the Y-axis interpolation motor 33 compiles and converts signals or data into signals that can be used for communication, transmission and storage, and transmits them to the CNC system. The CNC system calculates the moving position of the Y-axis interpolation bevel block 13. To control the travel of the Y-axis interpolation wedge block 13; the X-axis motor 38 drives the X-axis screw 37 to rotate, and the rotating X-axis screw 37 is threadedly connected to the X-axis nut 36. Since the X-axis slide 16 is slidably connected to the X-axis guide rail 15, the X-axis nut 36, together with the X-axis fixed seat 35 and the X-axis slide 16, reciprocates along the X-axis guide rail 15 and the X-axis screw 37 in the X-axis direction. During the reciprocating movement of the X-axis slide 16, the X-axis encoder 39 installed on the X-axis motor 38 compiles and converts the signal or data into a signal that can be used for communication, transmission and storage, and transmits it to the CNC system. The CNC system calculates the movement position of the X-axis slide 16 in the X-axis direction to control the travel of the X-axis slide 16. The coordinated movement of the Y-axis interpolation wedge block 13 and the X-axis slide 16 realizes the feeding of the turning and milling compound tool magazine mechanism 17 on the Y-axis.

[0032] In this embodiment, a telescopic protective cover 40 is connected between the tailstock 6 and the bevel machine base 1. The telescopic protective cover 40 is arranged to cover the outside of the mobile drive mechanism 8. When the mobile drive mechanism 8 drives the tailstock 6 to move back and forth, the telescopic protective cover 40 adaptively expands and contracts to cover the mobile drive mechanism 8, thereby protecting the mobile drive mechanism 8 and preventing cutting fluid and / or cutting chips from contaminating the mobile drive mechanism 8.

[0033] In this embodiment, protective baffles 41 are installed on both sides of the Y-axis interpolation ramp 13 to shield the Z-axis guide rail 9. The protective baffles 41 protect the Z-axis guide rail 9 from contamination by cutting fluid and / or cutting chips, ensuring that the Z-axis slide 10 can slide normally and smoothly along the Z-axis guide rail 9.

[0034] All technical features in this embodiment can be freely combined according to actual needs.

[0035] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the scope of protection of the present invention.

Claims

1. A CNC turning and milling machine tool with anti-collision protection, characterized by: The invention comprises an inclined machine base (1), an axis mounting base (2) mounted on the inclined machine base (1), a main shaft (3) rotatably connected to the axis mounting base (2), a chuck (4) mounted on one end of the main shaft (3), a rotation driving mechanism (5) mounted on the inclined machine base (1) or the axis mounting base (2) and used for driving the main shaft (3) to rotate, a tailstock (6) slidably connected to the inclined machine base (1) and arranged opposite to the axis mounting base (2), a top head (7) rotatably connected to the tailstock (6) and arranged opposite to the chuck (4), a moving driving mechanism (8) mounted on the inclined machine base (1) and used for driving the tailstock (6) to move closer to or away from the axis mounting base (2), a Z-axis guide rail (9) mounted on the inclined machine base (1), and a chuck (9) slidably connected to the Z-axis guide rail (9) and located on the tailstock. (6), a Z-axis slide (10) on the rear side of the tailstock (6), a Z-axis driving mechanism (11) installed on the inclined machine base (1) and used for driving the Z-axis slide (10) to slide back and forth along the Z-axis direction, a Y-axis interpolation guide rail (12) installed on the Z-axis slide (10), a Y-axis interpolation inclined block (13) slidably connected to the Y-axis interpolation guide rail (12), a Y-axis interpolation driving mechanism (14) installed on the Z-axis slide (10) and used for driving the Y-axis interpolation inclined block (13) to move closer to or away from the tailstock (6), an X-axis guide rail (15) installed on the inclined surface of the Y-axis interpolation inclined block (13), an X-axis slide (16) slidably connected to the X-axis guide rail (15), a turning and milling compound tool magazine mechanism (17) installed on the X-axis slide (16), and a Y-axis interpolation driving mechanism (15) installed on the Y-axis interpolation The inclined surface of the inclined block (13) is used to drive the X-axis slide (16) to move closer to or away from the tailstock (6). The end of the X-axis slide (16) close to the tailstock (6) is equipped with a multi-section telescopic protective cover (19). The multi-section telescopic protective cover (19) is arranged outside the X-axis guide rail (15) and above the Y-axis interpolation guide rail (12). A first connecting rod (20) is connected to the cover body (28) at the end of the multi-section telescopic protective cover (19). The Y-axis interpolation inclined block (13) is provided with a first limiting guide sleeve (21). The first connecting rod (20) slides through the first limiting guide sleeve (21). The end of the first connecting rod (20) away from the multi-section telescopic protective cover (19) is provided with a first limiting plate (22). The first limiting plate (22) is provided. 2) is used to contact with the first limiting guide sleeve (21), an open active space (23) is provided in the cover body (28) at the end of the multi-section telescopic protective cover (19), a baffle (24) is provided at the opening of the active space (23), a cross bar (25) is movably provided in the active space (23), the baffle (24) limits the cross bar (25) in the active space (23), both ends of the cross bar (25) are connected with a second connecting rod (26), the second connecting rod (26) is slidably connected to the Y-axis interpolation inclined block (13), the two second connecting rods (26) are connected via a second limiting plate (42), a limiting protrusion (27) is fixedly provided on the Y-axis interpolation drive mechanism (14), and the limiting protrusion (27) is located between the two second connecting rods (26),The second limiting plate (42) is used to abut against the limiting protrusion (27); a telescopic protective shell (40) is connected between the tailstock (6) and the inclined machine base (1), and the telescopic protective shell (40) is arranged outside the mobile driving mechanism (8); protective baffles (41) are installed on both sides of the Y-axis interpolation inclined block (13), and the protective baffles (41) shield the Z-axis guide rail (9).

2. The CNC turning and milling compound machine tool with anti-collision protection according to claim 1, characterized in that: The multi-section telescopic protective cover (19) is composed of a plurality of cover bodies (28) which are slidably sleeved in sequence from the outside to the inside. The end of the upper cover body (28) is provided with an end limiting edge, and the head end of the next cover body (28) is provided with a head limiting edge. The head limiting edge of the next cover body (28) extends into the upper cover body (28), and the end limiting edge is used to limit the head limiting edge to the corresponding upper cover body (28).

3. The CNC turning and milling compound machine tool with anti-collision protection according to claim 2, characterized in that: The number of the cover bodies (28) is three.

4. The CNC turning and milling compound machine tool with anti-collision protection according to claim 1, characterized in that: A roller (29) is rotatably sleeved on the crossbar (25), and the roller (29) rolls against the inner wall of the activity space (23).

5. The CNC turning and milling compound machine tool with anti-collision protection according to claim 1, characterized in that: The invention also includes a numerical control system electrically connected to the rotation drive mechanism (5), the movement drive mechanism (8), the Z-axis drive mechanism (11), the Y-axis interpolation drive mechanism (14) and the X-axis drive mechanism (18), wherein the Y-axis interpolation drive mechanism (14) includes a Y-axis interpolation fixed seat (30) mounted on the Z-axis slide (10), a Y-axis interpolation nut (31) mounted on the Y-axis interpolation fixed seat (30), a Y-axis interpolation inclined block (13) rotatably connected to the Y-axis interpolation inclined block (13) and threaded. A Y-axis interpolation screw rod (32) passes through a Y-axis interpolation nut (31), a Y-axis interpolation motor (33) is mounted on a Y-axis interpolation inclined block (13), and a Y-axis interpolation encoder (34) is electrically connected to the Y-axis interpolation motor (33). A limiting protrusion (27) is arranged on a Y-axis interpolation fixed seat (30). The output shaft of the Y-axis interpolation motor (33) is drive-connected to the Y-axis interpolation screw rod (32), and the Y-axis interpolation encoder (34) is electrically connected to a numerical control system.

6. The CNC turning and milling compound machine tool with anti-collision protection according to claim 5, characterized in that: The X-axis driving mechanism (18) comprises an X-axis fixing seat (35) mounted on the bottom surface of the X-axis slide (16), an X-axis nut (36) mounted on the X-axis fixing seat (35), an X-axis lead screw (37) rotatably connected to the Y-axis interpolation inclined block (13) and threadedly passing through the X-axis nut (36), an X-axis motor (38) mounted on the Y-axis interpolation inclined block (13) and drivingly connected to the X-axis lead screw (37), and an X-axis encoder (39) electrically mounted on the X-axis motor (38). The X-axis encoder (39) is electrically connected to the numerical control system.

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