Multifunctional numerical control vertical internal and external grinding machine

Abstract

The utility model provides a multifunctional numerical control vertical internal and external grinding machine, and belongs to the technical field of grinding machines. The device comprises a rack, a static pressure rotating table is arranged on the rack, the static pressure rotating table is connected with the rack through a Y-direction position adjusting mechanism, an internal grinding wheel assembly and an external grinding wheel assembly are further arranged on the rack, and the internal grinding wheel assembly and the external grinding wheel assembly are connected with the rack through a first XZ-direction position adjusting mechanism and a second XZ-direction position adjusting mechanism respectively. The inner circle and the outer circle of the workpiece can be ground at the same time, the grinding efficiency is greatly improved, the time for replacing a grinding wheel grinding head and adjusting grinding machine setting is shortened, and the whole machining process is smoother; the internal grinding wheel assembly and the external grinding wheel assembly are mutually independent and do not interfere with each other, so that the machining efficiency can be further improved; the workpiece measuring head can adapt to workpieces of different heights and shapes and accurately measure the workpieces, so that the machining precision and the machining quality of the workpieces are ensured.

Description

Technical Field

[0001] This utility model belongs to the field of grinding technology and relates to a multi-functional CNC vertical internal and external cylindrical grinding machine. Background Technology

[0002] A grinding machine is a machine tool that uses grinding wheels to grind the surface of a workpiece. Currently, most grinding machines use a sequential grinding method when grinding the inner and outer diameters of a workpiece. This means that an outer grinding wheel is first used to grind the outer diameter of the workpiece, and then the inner diameter is ground again using an inner grinding wheel. Since the inner and outer diameters cannot be ground simultaneously, this requires a longer processing time. Furthermore, changing grinding wheels and adjusting machine settings consumes additional time, resulting in very low processing efficiency. Summary of the Invention

[0003] The purpose of this invention is to address the above-mentioned problems by providing a multifunctional CNC vertical internal and external cylindrical grinding machine.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A multifunctional CNC vertical internal and external cylindrical grinding machine includes a frame, on which a hydrostatic rotary table is provided. The hydrostatic rotary table is connected to the frame via a Y-axis adjustment mechanism. The frame also includes an internal cylindrical grinding wheel assembly and an external cylindrical grinding wheel assembly, which are respectively connected to the frame via a first XZ-axis adjustment mechanism and a second XZ-axis adjustment mechanism.

[0006] The internal and external grinding wheel assemblies can be moved in the X and Z directions respectively to reach the machining position, which can meet the multi-directional machining needs of complex workpieces. The internal and external grinding wheel assemblies can operate simultaneously and grind the inner and outer circles of the workpiece respectively. The internal and outer circles of the workpiece can be ground at the same time, which greatly improves grinding efficiency, reduces the time for changing grinding wheels and grinding heads and adjusting grinding machine settings, and makes the overall machining process smoother. Moreover, the internal and external grinding wheel assemblies are independent of each other and do not interfere with each other, thereby further improving machining efficiency. The Y-axis adjustment mechanism adjusts the Y-axis position of the workpiece by adjusting the Y-axis position of the hydrostatic rotary table, which facilitates the grinding of the side of rectangular workpieces.

[0007] In the aforementioned multifunctional CNC vertical internal and external cylindrical grinding machine, the first XZ-axis adjustment mechanism includes a crossbeam body mounted on the machine frame, a first X-axis sliding seat slidably connected to the crossbeam body along the X-axis, a first X-axis driving structure provided between the first X-axis sliding seat and the crossbeam body, a first Z-axis sliding plate slidably connected to the first X-axis sliding seat along the Z-axis, a first Z-axis driving structure provided between the first Z-axis sliding plate and the first X-axis sliding seat, and the internal cylindrical grinding wheel assembly mounted on the first Z-axis sliding plate along the Z-axis.

[0008] The first X-axis driving structure can drive the first X-axis sliding seat to slide along the X-axis on the crossbeam to adjust the X-axis position of the internal grinding wheel assembly. The first Z-axis driving structure can drive the first Z-axis sliding plate to slide along the Z-axis on the first X-axis sliding seat to adjust the Z-axis position of the internal grinding wheel assembly. The internal grinding wheel assembly can be moved in both the X and Z directions, which can meet the multi-directional processing requirements of complex workpieces.

[0009] In the aforementioned multifunctional CNC vertical internal and external cylindrical grinding machine, a workpiece probe is provided on the first Z-axis sliding plate, and the workpiece probe and the first Z-axis sliding plate are connected by a probe Z-axis adjustment structure.

[0010] When grinding the inner and outer diameters of a workpiece, the workpiece probe can accurately measure the workpiece, thereby ensuring the machining accuracy and quality. The Z-axis adjustment structure of the probe can adjust the Z-axis position of the workpiece probe, allowing it to adapt to workpieces of different heights and shapes, thus ensuring the accuracy and reliability of the workpiece probe measurement process.

[0011] In the aforementioned multifunctional CNC vertical internal and external cylindrical grinding machine, the probe Z-axis adjustment structure includes a positioning plate disposed on one side of a first Z-axis sliding plate. The positioning plate is provided with a probe adjustment plate, and a Z-axis sliding groove is provided on the probe adjustment plate. Z-axis sliding grooves are respectively provided on both sides of the Z-axis sliding groove. A probe lead screw is disposed in the Z-axis sliding groove and distributed along the Z-axis. The probe lead screw is connected to a probe driver. Sliding blocks that slide in cooperation with the Z-axis sliding groove are respectively provided on both sides of the probe lead screw nut. The probe lead screw nut is connected to the probe sliding plate through a connecting block. The workpiece probe is disposed at the lower end of the probe sliding plate through a mounting seat.

[0012] The probe driver can drive the probe screw to rotate. The rotation of the probe screw, through the probe screw nut, can drive the probe sliding plate to slide in the Z direction, thereby adjusting the Z-position of the workpiece probe. This allows the workpiece probe to adapt to workpieces of different heights and shapes, ensuring the accuracy and reliability of the workpiece probe measurement process. The sliding blocks on both sides of the probe screw nut slide in cooperation with the Z-axis sliding grooves on both sides of the Z-axis sliding groove, ensuring the accuracy and stability of the workpiece probe during Z-axis positioning.

[0013] In the above-mentioned multi-functional CNC vertical internal and external cylindrical grinding machine, the side wall of the crossbeam is provided with a plurality of X-direction slide rails distributed along the X direction, the side wall corresponding to the first X-direction sliding seat is provided with an X-direction slider that slides and engages with the X-direction slide rails, the first X-direction driving structure includes a first X-direction lead screw arranged along the X direction on the side wall of the crossbeam, the first X-direction lead screw is connected to a first X-direction driver, and the lead screw nut of the first X-direction lead screw is connected to the first X-direction sliding seat;

[0014] The first X-axis sliding seat is provided with two sets of first Z-axis slide rails distributed along the Z-axis. The first Z-axis sliding plate is provided with a first Z-axis slider that slides with the first Z-axis slide rails. The first Z-axis driving structure includes a first Z-axis lead screw distributed along the Z-axis on the first X-axis sliding seat and located between the two sets of first Z-axis slide rails. The first Z-axis lead screw is connected to a first Z-axis driver. The lead screw nut of the first Z-axis lead screw is connected to the first Z-axis sliding plate.

[0015] The first X-axis actuator can drive the first X-axis sliding seat to slide along the X-axis on the crossbeam to adjust the X-axis position of the internal grinding wheel assembly; the first Z-axis actuator can drive the first Z-axis sliding plate to slide along the Z-axis on the first X-axis sliding seat to adjust the Z-axis position of the internal grinding wheel assembly. The internal grinding wheel assembly can be moved in both the X and Z directions, which can meet the multi-directional processing requirements of complex workpieces.

[0016] In the above-mentioned multi-functional CNC vertical internal and external cylindrical grinding machine, the second XZ axis adjustment mechanism includes a second X axis sliding seat, and an X axis slider that slides and cooperates with the X axis slide rail is provided on the side wall corresponding to the second X axis sliding seat. A second X axis lead screw distributed along the X axis is provided on the side wall of the crossbeam body. The second X axis lead screw is connected to a second X axis driver, and the lead screw nut of the second X axis lead screw is connected to the second X axis sliding seat.

[0017] The second X-axis sliding seat is slidably connected to a second Z-axis sliding plate along the Z-axis. The second X-axis sliding seat is provided with two sets of second Z-axis slide rails distributed along the Z-axis. The second Z-axis sliding plate is provided with a second Z-axis slider that slides with the second Z-axis slide rails. The second X-axis sliding seat is provided with a second Z-axis lead screw distributed along the Z-axis between the two sets of second Z-axis slide rails. The second Z-axis lead screw is connected to a second Z-axis driver. The lead screw nut of the second Z-axis lead screw is connected to the second Z-axis sliding plate.

[0018] The second X-axis actuator can drive the second X-axis sliding seat to slide along the X-axis on the crossbeam to adjust the X-axis position of the external cylindrical grinding wheel assembly; the second Z-axis actuator can drive the second Z-axis sliding plate to slide along the Z-axis on the second X-axis sliding seat to adjust the Z-axis position of the external cylindrical grinding wheel assembly. The external cylindrical grinding wheel assembly can be moved in both the X and Z directions, which can meet the multi-directional processing requirements of complex workpieces.

[0019] In the aforementioned multi-functional CNC vertical internal and external cylindrical grinding machine, the Y-axis adjustment mechanism includes an adjustment plate disposed at the bottom of the hydrostatic rotary table, an adjustment seat disposed on the frame, two sets of Y-axis slide rails distributed along the Y-axis disposed on the adjustment seat, a Y-axis slider disposed at the bottom of the adjustment plate and slidingly engaging with the Y-axis slide rails, a Y-axis lead screw disposed between the two sets of Y-axis slide rails disposed on the adjustment seat and distributed along the Y-axis, the Y-axis lead screw being connected to a Y-axis driver, and the lead screw nut of the Y-axis lead screw being connected to the adjustment plate.

[0020] The Y-axis driver can drive the adjustment plate to slide along the Y-axis on the adjustment seat, thereby adjusting the Y-axis position of the workpiece, which facilitates the grinding of the side of the rectangular workpiece.

[0021] In the aforementioned multi-functional CNC vertical internal and external cylindrical grinding machine, the external cylindrical grinding wheel assembly and the internal cylindrical grinding wheel assembly include an electric spindle and a grinding wheel. The grinding wheel is detachably connected to the electric spindle via a tool holder, and grinding wheel tool magazine assemblies are respectively provided on both sides of the machine frame.

[0022] The external cylindrical grinding wheel assembly and the internal cylindrical grinding wheel assembly can be moved to the corresponding grinding wheel magazine assembly in the X and Z directions respectively to change the grinding wheel. The grinding wheel replacement efficiency is high, which can ensure the grinding efficiency.

[0023] In the aforementioned multifunctional CNC vertical internal and external cylindrical grinding machine, the grinding wheel tool magazine assembly includes a support base, a rotating shaft rotatably connected to the support base, a rotating drive mechanism connected to the rotating shaft, a support rotating disk at the upper end of the rotating shaft, several circumferentially distributed jaws on the outer periphery of the support rotating disk, tool holders on the jaws, and a grinding wheel to be replaced at the bottom end of the tool holders. A tool magazine adjusting seat is provided on the machine frame, with two sets of tool magazine adjusting slide rails distributed along the X-axis. A tool magazine adjusting slider is provided on the support base and slidably engages with the tool magazine adjusting slide rails. A tool magazine adjusting lead screw is provided on the tool magazine adjusting seat and distributed along the X-axis. The tool magazine adjusting lead screw is connected to a tool magazine adjusting driver, and the lead screw nut of the tool magazine adjusting lead screw is connected to the support base.

[0024] The tool magazine adjustment driver can drive the support rotating disk to slide along the X-axis on the tool magazine adjustment seat to adjust the X-axis position of the support rotating disk. The tool holder to be replaced can enter the chuck above the adjustment support rotating disk through the X and Z-axis displacement to remove the grinding wheel to be replaced. Then the electric spindle moves to the empty position in the Z-axis, and the rotation drive mechanism drives the support rotating disk to rotate through the rotating shaft so that the tool holder to be replaced corresponds to the electric spindle. The electric spindle then connects with the tool holder to be replaced through the Y-axis displacement. Then the electric spindle moves away from the replacement position through the X-axis displacement to complete the grinding wheel replacement operation.

[0025] In the aforementioned multifunctional CNC vertical internal and external cylindrical grinding machine, diamond pen dressers are respectively provided on both sides of the adjustment plate, and diamond roller grinding wheel dressers are respectively provided on both sides of the adjustment plate on the machine frame.

[0026] Diamond roller dressers can precisely delineate and dress the surface of workpieces, achieving high-precision and high-quality machining results. The external cylindrical grinding wheel assembly and the internal cylindrical grinding wheel assembly can make their respective grinding wheels contact the corresponding diamond roller dressers for grinding wheel dressing by shifting in the X and Z directions, which can improve the machining quality and accuracy of the workpiece.

[0027] Compared with existing technologies, the advantages of this invention are as follows: 1. The inner and outer diameters of the workpiece can be ground simultaneously, greatly improving grinding efficiency and reducing the time spent changing grinding wheels and adjusting grinding machine settings, resulting in a smoother overall processing flow. 2. The inner and outer grinding wheel assemblies are independent of each other and do not interfere with each other, further improving processing efficiency. 3. The workpiece probe can adapt to workpieces of different heights and shapes and perform precise measurements to ensure the processing accuracy and quality of the workpiece. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure provided by this utility model;

[0029] Figure 2 This is a schematic diagram of the first XZ-direction adjustment mechanism;

[0030] Figure 3 This is a schematic diagram of the probe's Z-axis adjustment structure;

[0031] Figure 4 This is a schematic diagram of the probe adjustment plate.

[0032] Figure 5 This is a schematic diagram of the Y-axis adjustment mechanism.

[0033] In the figure, 1 is the frame, 2 is the hydrostatic rotary table, 3 is the Y-axis adjustment mechanism, 4 is the internal grinding wheel assembly, 5 is the external grinding wheel assembly, 6 is the first XZ-axis adjustment mechanism, 7 is the second XZ-axis adjustment mechanism, 8 is the crossbeam, 9 is the first X-axis sliding seat, 10 is the first X-axis drive structure, 11 is the first Z-axis sliding plate, 12 is the first Z-axis drive structure, 13 is the workpiece probe, 14 is the probe Z-axis adjustment structure, 15 is the positioning plate, 16 is the probe adjustment plate, 17 is the Z-axis slide groove, 18 is the Z-axis sliding groove, 19 is the probe lead screw, 20 is the probe driver, 21 is the probe lead screw nut, 22 is the sliding block, 23 is the connecting block, 24 is the probe sliding plate, 25 is the mounting base, 26 is the X-axis slide rail, 27 is the X-axis slider, 28 is the first X-axis lead screw, 29 is the first X-axis driver, 30 is the first Z-axis slide rail, and 31 is the first Z-axis slider. 1. First Z-axis lead screw 32, First Z-axis driver 33, Second X-axis sliding seat 34, Second X-axis lead screw 35, Second X-axis driver 36, Second Z-axis sliding plate 37, Second Z-axis slide rail 38, Second Z-axis slider 39, Second Z-axis lead screw 40, Second Z-axis driver 41, Adjusting plate 42, Adjusting seat 43, Y-axis slide rail 44, Y-axis slider 45, Y-axis lead screw 46, Y-axis driver 47, Electric spindle 48, Grinding wheel 49, Tool holder 50, Grinding wheel tool magazine assembly 51, Support base 52, Rotating shaft 53, Support rotating disk 54, Claw 55, Tool magazine adjusting seat 56, Tool magazine adjusting slide rail 57, Tool magazine adjusting slider 58, Tool magazine adjusting lead screw 59, Tool magazine adjusting driver 60, Diamond pen dresser 61, Diamond roller grinding wheel dresser 62. Detailed Implementation

[0034] like Figure 1 , Figure 2 and Figure 5 As shown, a multi-functional CNC vertical internal and external cylindrical grinding machine includes a frame 1, on which a hydrostatic rotary table 2 is provided. The hydrostatic rotary table 2 is connected to the frame 1 through a Y-axis adjustment mechanism 3. The frame 1 is also provided with an internal cylindrical grinding wheel assembly 4 and an external cylindrical grinding wheel assembly 5. The internal cylindrical grinding wheel assembly 4 and the external cylindrical grinding wheel assembly 5 are respectively connected to the frame 1 through a first XZ-axis adjustment mechanism 6 and a second XZ-axis adjustment mechanism 7.

[0035] In this invention, the workpiece is positioned and fixed on the hydrostatic rotary table 2, which can drive the workpiece to rotate. The inner grinding wheel assembly 4 can be moved in the X and Z directions by the first XZ adjustment mechanism 6 to move the inner grinding wheel assembly 4 to the designated processing position to grind the inner circle of the rotating workpiece. The outer grinding wheel assembly 5 can be moved in the X and Z directions by the second XZ adjustment mechanism 7 to move the outer grinding wheel assembly 5 to the designated processing position to grind the outer circle of the rotating workpiece.

[0036] The internal grinding wheel assembly 4 and the external grinding wheel assembly 5 can be moved in the X and Z directions respectively to reach the processing position, which can meet the multi-directional processing requirements of complex workpieces. The internal grinding wheel assembly 4 and the external grinding wheel assembly 5 can operate simultaneously and grind the inner and outer circles of the workpiece respectively. The inner and outer circles of the workpiece can be ground at the same time, which greatly improves grinding efficiency, reduces the time for changing grinding wheels and grinding heads and adjusting grinding machine settings, and makes the overall processing flow smoother. In addition, the internal grinding wheel assembly 4 and the external grinding wheel assembly 5 are independent of each other and do not interfere with each other, thereby further improving processing efficiency. The Y-axis adjustment mechanism 3 adjusts the Y-axis position of the workpiece by adjusting the Y-axis position of the hydrostatic rotary table 2, which facilitates the grinding of the side of the rectangular workpiece.

[0037] Specifically, combining Figure 1 and Figure 2 As shown, the first XZ-direction adjustment mechanism 6 includes a crossbeam 8 mounted on the frame 1, a first X-direction sliding seat 9 slidably connected to the crossbeam 8 along the X direction, a first X-direction driving structure 10 between the first X-direction sliding seat 9 and the crossbeam 8, a first Z-direction sliding plate 11 slidably connected to the first X-direction sliding seat 9 along the Z direction, a first Z-direction driving structure 12 between the first Z-direction sliding plate 11 and the first X-direction sliding seat 9, and an internal grinding wheel assembly 4 mounted along the Z direction on the first Z-direction sliding plate 11.

[0038] The crossbeam 8 adopts a gantry structure design, which is suitable for large grinding machines. It has a simple structure and strong stability.

[0039] The first X-axis drive structure 10 can drive the first X-axis sliding seat 9 to slide along the X-axis on the crossbeam 8 to adjust the X-axis position of the internal grinding wheel assembly 4. The first Z-axis drive structure 12 can drive the first Z-axis sliding plate 11 to slide along the Z-axis on the first X-axis sliding seat 9 to adjust the Z-axis position of the internal grinding wheel assembly 4. The internal grinding wheel assembly 4 can be moved in both the X and Z directions, which can meet the multi-directional processing requirements of complex workpieces.

[0040] Specifically, combining Figures 1-4 As shown, a workpiece probe 13 is provided on the first Z-axis sliding plate 11, and the workpiece probe 13 is connected to the first Z-axis sliding plate 11 through a probe Z-axis adjustment structure 14.

[0041] When the workpiece probe 13 on the first Z-axis sliding plate 11 is grinding the inner and outer diameters of the workpiece, it can accurately measure the workpiece, thereby ensuring the machining accuracy and quality of the workpiece. The Z-axis adjustment structure 14 of the probe can adjust the Z-axis position of the workpiece probe 13, so that the workpiece probe 13 can adapt to workpieces of different heights and shapes, thereby ensuring the accuracy and reliability of the measurement process of the workpiece probe 13.

[0042] The workpiece probe 13 is existing technology and will not be discussed in further detail.

[0043] Specifically, combining Figure 3 and Figure 4 As shown, the probe Z-axis adjustment structure 14 includes a positioning plate 15 disposed on one side of the first Z-axis sliding plate 11, a probe adjustment plate 16 disposed on the positioning plate 15, a Z-axis sliding groove 17 disposed on the probe adjustment plate 16, Z-axis sliding grooves 18 disposed on the two side walls of the Z-axis sliding groove 17, a probe lead screw 19 distributed along the Z-axis disposed in the Z-axis sliding groove 17, a probe driver 20 connected to the probe lead screw 19, sliding blocks 22 disposed on both sides of the probe lead screw nut 21 of the probe lead screw 19, which are slidably engaged with the Z-axis sliding groove 18, and the probe lead screw nut 21 is connected to the probe sliding plate 24 through a connecting block 23. The workpiece probe 13 is disposed at the lower end of the probe sliding plate 24 through a mounting base 25.

[0044] The probe driver 20 can drive the probe screw 19 to rotate. The rotation of the probe screw 19 can drive the probe sliding plate 24 to slide in the Z direction through the probe screw nut 21, thereby adjusting the Z position of the workpiece probe 13. This allows the workpiece probe 13 to adapt to workpieces of different heights and shapes, ensuring the accuracy and reliability of the workpiece probe 13 measurement process.

[0045] The sliding blocks 22 on both sides of the probe screw nut 21 slide in conjunction with the Z-direction sliding grooves 18 on both sides of the Z-direction sliding groove 17, which can ensure the accuracy and stability of the workpiece probe 13 when it is adjusted in the Z direction.

[0046] Specifically, combining Figure 1 and Figure 2 As shown, the side wall of the crossbeam 8 is provided with a plurality of X-direction slide rails 26 distributed along the X direction, and the side wall corresponding to the first X-direction sliding seat 9 is provided with an X-direction slider 27 that slides with the X-direction slide rails 26. The first X-direction driving structure 10 includes a first X-direction screw 28 arranged along the X direction on the side wall of the crossbeam 8. The first X-direction screw 28 is connected to a first X-direction driver 29, and the screw nut of the first X-direction screw 28 is connected to the first X-direction sliding seat 9.

[0047] The first X-axis sliding seat 9 is provided with two sets of first Z-axis slide rails 30 distributed along the Z-axis. The first Z-axis sliding plate 11 is provided with a first Z-axis slider 31 that slides with the first Z-axis slide rails 30. The first Z-axis driving structure 12 includes a first Z-axis lead screw 32 distributed along the Z-axis on the first X-axis sliding seat 9 and located between the two sets of first Z-axis slide rails 30. The first Z-axis lead screw 32 is connected to a first Z-axis driver 33. The lead screw nut of the first Z-axis lead screw 32 is connected to the first Z-axis sliding plate 11.

[0048] The operation of the first X-axis actuator 29 can drive the first X-axis lead screw 28 to rotate. The rotation of the first X-axis lead screw 28, through the lead screw nut of the first X-axis lead screw 28, can drive the first X-axis sliding seat 9 to slide along the X-axis on the crossbeam body 8 to adjust the X-axis position of the internal grinding wheel assembly 4. The operation of the first Z-axis actuator 33 can drive the first Z-axis lead screw 32 to rotate. The rotation of the first Z-axis lead screw 32, through the lead screw nut of the first Z-axis lead screw 32, can drive the first Z-axis sliding plate 11 to slide along the Z-axis on the first X-axis sliding seat 9 to adjust the Z-axis position of the internal grinding wheel assembly 4. The internal grinding wheel assembly 4 can be moved in both the X and Z directions, which can meet the multi-directional processing requirements of complex workpieces.

[0049] Specifically, combining Figure 1 and Figure 2 As shown, the second XZ-direction adjustment mechanism 7 includes a second X-direction sliding seat 34. The side wall of the second X-direction sliding seat 34 is provided with an X-direction slider 27 that slides and engages with the X-direction slide rail 26. The side wall of the crossbeam body 8 is provided with a second X-direction lead screw 35 distributed along the X-direction. The second X-direction lead screw 35 is connected to a second X-direction driver 36. The lead screw nut of the second X-direction lead screw 35 is connected to the second X-direction sliding seat 34.

[0050] A second Z-axis sliding plate 37 is slidably connected to the second X-axis sliding seat 34 along the Z-axis. The second X-axis sliding seat 34 is provided with two sets of second Z-axis slide rails 38 distributed along the Z-axis. The second Z-axis sliding plate 37 is provided with a second Z-axis slider 39 that slides and engages with the second Z-axis slide rails 38. A second Z-axis lead screw 40 distributed along the Z-axis is provided on the second X-axis sliding seat 34 between the two sets of second Z-axis slide rails 38. The second Z-axis lead screw 40 is connected to a second Z-axis driver 41. The lead screw nut of the second Z-axis lead screw 40 is connected to the second Z-axis sliding plate 37.

[0051] The operation of the second X-axis actuator 36 can drive the second X-axis lead screw 35 to rotate. The rotation of the second X-axis lead screw 35, through the lead screw nut of the second X-axis lead screw 35, can drive the second X-axis sliding seat 34 to slide along the X-axis on the crossbeam body 8 to adjust the X-axis position of the external cylindrical grinding wheel assembly 5. The operation of the second Z-axis actuator 41 can drive the second Z-axis lead screw 40 to rotate. The rotation of the second Z-axis lead screw 40, through the lead screw nut of the second Z-axis lead screw 40, can drive the second Z-axis sliding plate 37 to slide along the Z-axis on the second X-axis sliding seat 34 to adjust the Z-axis position of the external cylindrical grinding wheel assembly 5. The external cylindrical grinding wheel assembly 5 can be moved in both the X and Z directions, which can meet the multi-directional processing requirements of complex workpieces.

[0052] Specifically, combining Figure 1 and Figure 5As shown, the Y-axis adjustment mechanism 3 includes an adjustment plate 42 disposed at the bottom of the static pressure rotary table 2, an adjustment seat 43 disposed on the frame 1, two sets of Y-axis slide rails 44 distributed along the Y-axis disposed on the adjustment seat 43, a Y-axis slider 45 disposed at the bottom of the adjustment plate 42 that slides in cooperation with the Y-axis slide rails 44, a Y-axis lead screw 46 distributed along the Y-axis disposed on the adjustment seat 43 between the two sets of Y-axis slide rails 44, a Y-axis drive 47 connected to the Y-axis lead screw 46, and the lead screw nut of the Y-axis lead screw 46 connected to the adjustment plate 42.

[0053] The operation of the Y-axis driver 47 can drive the Y-axis lead screw 46 to rotate. The rotation of the Y-axis lead screw 46, through the lead screw nut of the Y-axis lead screw 46, can drive the adjusting plate 42 to slide along the Y-axis on the adjusting seat 43, thereby adjusting the Y-axis position of the workpiece, which is convenient for grinding the side of the rectangular workpiece.

[0054] Specifically, combining Figure 1 and Figure 5 As shown, the external cylindrical grinding wheel assembly 5 and the internal cylindrical grinding wheel assembly 4 include an electric spindle 48 and a grinding wheel 49. The grinding wheel 49 is detachably connected to the electric spindle 48 through a tool holder 50. Grinding wheel tool magazine assemblies 51 are respectively provided on both sides of the frame 1.

[0055] The external cylindrical grinding wheel assembly 5 and the internal cylindrical grinding wheel assembly 4 can be moved to the corresponding grinding wheel magazine assembly 51 in the X and Z directions respectively to change the grinding wheel 49. The grinding wheel 49 replacement efficiency is high, which can ensure the grinding efficiency.

[0056] Specifically, combining Figure 5 As shown, the grinding wheel tool magazine assembly 51 includes a support base 52, a rotating shaft 53 rotatably connected to the support base 52, a rotating drive mechanism connected to the rotating shaft 53, a support rotating disk 54 at the upper end of the rotating shaft 53, a plurality of circumferentially distributed pawls 55 on the outer periphery of the support rotating disk 54, a tool holder 50 on the pawls 55, a grinding wheel 49 to be replaced at the bottom end of the tool holder 50, a tool magazine adjustment seat 56 on the frame 1, two sets of tool magazine adjustment slide rails 57 distributed along the X direction on the tool magazine adjustment seat 56, a tool magazine adjustment slider 58 on the support base 52 that slides with the tool magazine adjustment slide rails 57, a tool magazine adjustment screw 59 distributed along the X direction on the tool magazine adjustment seat 56, a tool magazine adjustment driver 60 connected to the tool magazine adjustment screw 59, and a screw nut of the tool magazine adjustment screw 59 connected to the support base 52.

[0057] The tool magazine adjustment driver 60 drives the tool magazine adjustment screw 59 to rotate. The rotation of the tool magazine adjustment screw 59 drives the support rotating disk 54 to slide along the X direction on the tool magazine adjustment seat 56 through the screw nut of the tool magazine adjustment screw 59, thereby adjusting the X-direction position of the support rotating disk 54. The tool holder 50 to be replaced can enter the chuck 55 above the adjustment support rotating disk 54 through the X and Z directions to remove the grinding wheel 49 to be replaced. Then the electric spindle 48 moves to the empty position in the Z direction. The rotation drive mechanism drives the support rotating disk 54 to rotate through the rotating shaft 53 so that the tool holder 50 to be replaced corresponds to the electric spindle 48. The electric spindle 48 then engages with the tool holder 50 to be replaced through the Y direction. Then the electric spindle 48 moves away from the replacement position through the X direction to complete the replacement operation of the grinding wheel 49.

[0058] Preferably, combined with Figure 1 and Figure 5 As shown, diamond pen dressing devices 61 are provided on both sides of the adjustment plate 42, and diamond roller dressing devices 62 are provided on both sides of the adjustment plate 42 on the frame 1.

[0059] The diamond roller dressers 61 on both sides of the adjusting plate 42 can accurately delineate and dress the workpiece surface, achieving high-precision and high-quality processing results. The external cylindrical grinding wheel assembly 5 and the internal cylindrical grinding wheel assembly 4 can make their respective grinding wheels 49 contact with the corresponding diamond roller dressers 62 for grinding wheel dressing by shifting in the X and Z directions, which can improve the processing quality and accuracy of the workpiece.

[0060] The working principle of this utility model is as follows: the workpiece is positioned and fixed on the hydrostatic rotary table 2, the hydrostatic rotary table 2 drives the workpiece to rotate, the first X-axis driver 29 drives the first X-axis sliding seat 9 to slide along the X-axis on the crossbeam body 8 to adjust the X-axis position of the inner circle grinding wheel assembly 4, the first Z-axis driver 33 drives the first Z-axis sliding plate 11 to slide along the Z-axis on the first X-axis sliding seat 9 to adjust the Z-axis position of the inner circle grinding wheel assembly 4, and the inner circle grinding wheel assembly 4 moves to the designated processing position to perform grinding processing on the inner circle of the rotating workpiece.

[0061] The second X-axis driver 36 drives the second X-axis sliding seat 34 to slide along the X-axis on the crossbeam 8 to adjust the X-axis position of the outer cylindrical grinding wheel assembly 5. The second Z-axis driver 41 drives the second Z-axis sliding plate 37 to slide along the Z-axis on the second X-axis sliding seat 34 to adjust the Z-axis position of the outer cylindrical grinding wheel assembly 5. The outer cylindrical grinding wheel assembly 5 moves to the designated processing position to perform grinding processing on the outer diameter of the rotating workpiece.

[0062] The workpiece probe 13 performs precise measurements on the workpiece during the grinding of its inner and outer diameters. The probe driver 20 drives the probe slide plate 24 to slide in the Z direction, thereby adjusting the Z-position of the workpiece probe 13 so that it can adapt to workpieces of different heights and shapes.

[0063] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0064] Although this paper extensively uses the following components: frame 1, hydrostatic rotary table 2, Y-axis adjustment mechanism 3, internal grinding wheel assembly 4, external grinding wheel assembly 5, first XZ-axis adjustment mechanism 6, second XZ-axis adjustment mechanism 7, crossbeam 8, first X-axis sliding seat 9, first X-axis drive structure 10, first Z-axis sliding plate 11, first Z-axis drive structure 12, workpiece probe 13, probe Z-axis adjustment structure 14, positioning plate 15, probe adjustment plate 16, Z-axis slide groove 17, Z-axis sliding groove 18, probe lead screw 19, probe driver 20, probe lead screw nut 21, sliding block 22, connecting block 23, probe sliding plate 24, mounting base 25, X-axis slide rail 26, X-axis slider 27, first X-axis lead screw 28, first X-axis driver 29, first Z-axis slide rail 30, first Z-axis slider 31, first Z-axis lead screw 32, first Z-axis driver 33, second X-axis slide rail 24, first Z-axis lead screw 25, first Z-axis slider 26, first Z-axis slider 27, first X-axis lead screw 28, first X-axis driver 29, first Z-axis slide rail 30, first Z-axis slider 31, first Z-axis lead screw 32, first Z-axis driver 33, second X-axis slider 24, first Z-axis slider 25, first Z-axis slide rail 26, first Z-axis slider 27, first X-axis lead screw 28, first X-axis driver 29, first Z-axis slider 30, first Z-axis slider 31, first Z-axis lead screw 32, first Z-axis driver 33, second X-axis slider 24, first Z-axis slider 35, first Z-axis slider 36, first Z-axis slider 37, first X-axis lead screw 28, The following components are included: moving seat 34, second X-axis lead screw 35, second X-axis driver 36, second Z-axis sliding plate 37, second Z-axis slide rail 38, second Z-axis slider 39, second Z-axis lead screw 40, second Z-axis driver 41, adjusting plate 42, adjusting seat 43, Y-axis slide rail 44, Y-axis slider 45, Y-axis lead screw 46, Y-axis driver 47, electric spindle 48, grinding wheel 49, tool holder 50, grinding wheel tool magazine assembly 51, support base 52, rotating shaft 53, support rotating disk 54, chuck 55, tool magazine adjusting seat 56, tool magazine adjusting slide rail 57, tool magazine adjusting slider 58, tool magazine adjusting lead screw 59, tool magazine adjusting driver 60, diamond pen dresser 61, diamond roller grinding wheel dresser 62, etc. These terms are used merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A multi-functional CNC vertical internal and external cylindrical grinding machine, comprising a frame (1), characterized in that, The frame (1) is provided with a hydrostatic rotary table (2), which is connected to the frame (1) via a Y-axis adjustment mechanism (3). The frame (1) is also provided with an inner cylindrical grinding wheel assembly (4) and an outer cylindrical grinding wheel assembly (5), which are connected to the frame (1) via a first XZ-axis adjustment mechanism (6) and a second XZ-axis adjustment mechanism (7), respectively.

2. The multi-functional CNC vertical internal and external cylindrical grinding machine according to claim 1, characterized in that, The first XZ-direction adjustment mechanism (6) includes a crossbeam (8) mounted on the frame (1), a first X-direction sliding seat (9) is slidably connected to the crossbeam (8) along the X direction, a first X-direction driving structure (10) is provided between the first X-direction sliding seat (9) and the crossbeam (8), a first Z-direction sliding plate (11) is slidably connected to the first X-direction sliding seat (9) along the Z direction, a first Z-direction driving structure (12) is provided between the first Z-direction sliding plate (11) and the first X-direction sliding seat (9), and the internal grinding wheel assembly (4) is mounted on the first Z-direction sliding plate (11) along the Z direction.

3. A multi-functional CNC vertical internal and external cylindrical grinding machine according to claim 2, characterized in that, The first Z-axis sliding plate (11) is provided with a workpiece probe (13), and the workpiece probe (13) is connected to the first Z-axis sliding plate (11) through a probe Z-axis adjustment structure (14).

4. A multi-functional CNC vertical internal and external cylindrical grinding machine according to claim 3, characterized in that, The probe Z-axis adjustment structure (14) includes a positioning plate (15) disposed on one side of the first Z-axis sliding plate (11), a probe adjustment plate (16) disposed on the positioning plate (15), a Z-axis sliding groove (17) disposed on the probe adjustment plate (16), a Z-axis sliding groove (18) disposed on both sides of the Z-axis sliding groove (17), a probe lead screw (19) distributed along the Z-axis disposed in the Z-axis sliding groove (17), a probe driver (20) connected to the probe lead screw (19), a sliding block (22) disposed on both sides of the probe lead screw nut (21) of the probe lead screw (19) that slides in cooperation with the Z-axis sliding groove (18), a probe lead screw nut (21) connected to the probe sliding plate (24) through a connecting block (23), and a workpiece probe (13) disposed at the lower end of the probe sliding plate (24) through a mounting base (25).

5. A multi-functional CNC vertical internal and external cylindrical grinding machine according to claim 2, characterized in that, The side wall of the beam body (8) is provided with a plurality of X-direction slide rails (26) distributed along the X direction. The side wall of the first X-direction sliding seat (9) is provided with an X-direction slider (27) that slides with the X-direction slide rails (26). The first X-direction driving structure (10) includes a first X-direction screw (28) arranged along the X direction on the side wall of the beam body (8). The first X-direction screw (28) is connected to a first X-direction driver (29). The screw nut of the first X-direction screw (28) is connected to the first X-direction sliding seat (9). The first X-axis sliding seat (9) is provided with two sets of first Z-axis slide rails (30) distributed along the Z-axis. The first Z-axis sliding plate (11) is provided with a first Z-axis slider (31) that slides with the first Z-axis slide rails (30). The first Z-axis driving structure (12) includes a first Z-axis lead screw (32) distributed along the Z-axis on the first X-axis sliding seat (9) and located between the two sets of first Z-axis slide rails (30). The first Z-axis lead screw (32) is connected to a first Z-axis driver (33). The lead screw nut of the first Z-axis lead screw (32) is connected to the first Z-axis sliding plate (11).

6. A multi-functional CNC vertical internal and external cylindrical grinding machine according to claim 5, characterized in that, The second XZ-direction adjustment mechanism (7) includes a second X-direction sliding seat (34). The side wall of the second X-direction sliding seat (34) is provided with an X-direction slider (27) that slides with the X-direction slide rail (26). The side wall of the crossbeam (8) is provided with a second X-direction screw (35) distributed along the X direction. The second X-direction screw (35) is connected to a second X-direction driver (36). The screw nut of the second X-direction screw (35) is connected to the second X-direction sliding seat (34). The second X-axis sliding seat (34) is slidably connected to a second Z-axis sliding plate (37) along the Z-axis. The second X-axis sliding seat (34) is provided with two sets of second Z-axis slide rails (38) distributed along the Z-axis. The second Z-axis sliding plate (37) is provided with a second Z-axis slider (39) that slides with the second Z-axis slide rails (38). The second X-axis sliding seat (34) is provided with a second Z-axis lead screw (40) distributed along the Z-axis between the two sets of second Z-axis slide rails (38). The second Z-axis lead screw (40) is connected to a second Z-axis driver (41). The lead screw nut of the second Z-axis lead screw (40) is connected to the second Z-axis sliding plate (37). The external cylindrical grinding wheel assembly (5) is arranged along the Z-axis on the second Z-axis sliding plate (37).

7. A multi-functional CNC vertical internal and external cylindrical grinding machine according to any one of claims 1-6, characterized in that, The Y-axis adjustment mechanism (3) includes an adjustment plate (42) set at the bottom of the static pressure rotary table (2), an adjustment seat (43) is provided on the frame (1), the adjustment seat (43) is provided with two sets of Y-axis slide rails (44) distributed along the Y-axis, the bottom of the adjustment plate (42) is provided with a Y-axis slider (45) that slides with the Y-axis slide rails (44), the adjustment seat (43) is provided with a Y-axis lead screw (46) distributed along the Y-axis between the two sets of Y-axis slide rails (44), the Y-axis lead screw (46) is connected to a Y-axis driver (47), and the lead screw nut of the Y-axis lead screw (46) is connected to the adjustment plate (42).

8. A multi-functional CNC vertical internal and external cylindrical grinding machine according to any one of claims 1-6, characterized in that, The external cylindrical grinding wheel assembly (5) and the internal cylindrical grinding wheel assembly (4) include an electric spindle (48) and a grinding wheel (49). The grinding wheel (49) is detachably connected to the electric spindle (48) through a tool holder (50). Grinding wheel tool magazine assemblies (51) are respectively provided on both sides of the frame (1).

9. A multi-functional CNC vertical internal and external cylindrical grinding machine according to claim 8, characterized in that, The grinding wheel magazine assembly (51) includes a support base (52), on which a rotating shaft (53) is rotatably connected. The rotating shaft (53) is connected to a rotation drive mechanism. A support rotating disk (54) is provided at the upper end of the rotating shaft (53). Several circumferentially distributed pawls (55) are provided on the outer periphery of the support rotating disk (54). A tool holder (50) is provided on the pawls (55). A grinding wheel (49) to be replaced is provided at the bottom end of the tool holder (50). The frame (1) is equipped with... The tool magazine adjustment seat (56) is provided with two sets of tool magazine adjustment slide rails (57) distributed along the X direction. The support base (52) is provided with a tool magazine adjustment slider (58) that slides with the tool magazine adjustment slide rails (57). The tool magazine adjustment seat (56) is provided with a tool magazine adjustment screw (59) distributed along the X direction. The tool magazine adjustment screw (59) is connected to a tool magazine adjustment driver (60). The screw nut of the tool magazine adjustment screw (59) is connected to the support base (52).

10. A multi-functional CNC vertical internal and external cylindrical grinding machine according to claim 7, characterized in that, The adjustment plate (42) is provided with diamond pen dressing devices (61) on both sides, and the frame (1) is provided with diamond roller dressing devices (62) on both sides of the adjustment plate (42).

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