CN219617387U - Large-scale vertical compound grinding machine of high rigidity high accuracy - Google Patents
Large-scale vertical compound grinding machine of high rigidity high accuracy Download PDFInfo
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- CN219617387U CN219617387U CN202320435157.1U CN202320435157U CN219617387U CN 219617387 U CN219617387 U CN 219617387U CN 202320435157 U CN202320435157 U CN 202320435157U CN 219617387 U CN219617387 U CN 219617387U
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Abstract
The utility model belongs to the technical field of numerical control grinding machines, and particularly relates to a high-rigidity high-precision large-scale vertical compound grinding machine. The high-rigidity high-precision large-scale vertical composite grinding machine comprises a base, a main shaft swinging head and a rotary workbench, wherein the base comprises a beam and a sliding seat, an X-axis transmission structure is arranged on the beam, the sliding seat is arranged on the X-axis transmission structure, and a Z-axis transmission structure is arranged on the sliding seat; the main shaft swinging head comprises a swinging head assembly and a disc brake assembly; the rotary workbench comprises a motor, a rotary table, a transmission assembly and a crossed roller bearing. The grinding machine has the advantages that the large-scale rotary workpiece and the special-shaped workpiece can be ground through the rotary workbench, special surfaces can be ground through the spindle swinging head with any swinging angle, the grinding capability of the grinding machine is improved, the X-axis transmission structure and the Z-axis transmission structure both adopt the steel-inlaid guide rail matched with the wear-resistant guide rail sheet, the grinding rigidity of the grinding machine is greatly improved, and meanwhile, the steel-inlaid guide rail has excellent wear resistance, so that the service life of the guide rail can be long.
Description
Technical Field
The utility model belongs to the technical field of numerical control grinding machines, and particularly relates to a high-rigidity high-precision large-scale vertical compound grinding machine.
Background
With the gradual maturity of domestic numerical control technology, in recent years, numerical control machining centers are increasingly widely applied in various fields. The grinding machine is a machine tool for processing the surface of a workpiece by utilizing a grinding tool, the four-axis grinding machine is provided on the market, a main shaft of the grinding machine is provided with a motion dimension rotating along an XZ plane, the existing grinding machine can realize more angle processing requirements by adding a main shaft swinging head, the main shaft is required to keep the angle of the main shaft in the XZ rotation direction fixed in the processing process, part of impact force during the cutter processing is borne by the main shaft swinging head, namely a servo motor corresponding to the main shaft swinging head, but the load borne by the servo motor is limited, when high-load processing action is carried out, the condition that the main shaft rotates and swings in the XZ plane direction possibly occurs, the processing precision is reduced, and the processing requirements of high precision are difficult to reach; in addition, the workbench of the traditional vertical grinder is usually fixed with a workpiece by adopting a turntable, so that a cutter is used for grinding, and in long-term use, the bearing between the turntable and the grinder base is seriously worn, so that the machining precision of the workbench cannot be guaranteed, meanwhile, the workbench cannot bear large-scale rotary workpieces and special-shaped workpieces, the machining requirement of high rigidity is difficult to meet, potential safety hazards exist, and equipment is also easy to damage.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a high-rigidity high-precision large-scale vertical compound grinder which improves the machining precision and can bear large-scale workpieces.
The utility model adopts the following technical scheme:
a high-rigidity high-precision large-scale vertical compound grinding machine comprises a base, a main shaft swinging head and a rotary workbench;
the base comprises a cross beam and a sliding seat, wherein the cross beam is arranged on one side of the base, an X-axis transmission structure is arranged on the cross beam, the sliding seat is arranged on the X-axis transmission structure, and a Z-axis transmission structure is arranged on the sliding seat;
the main shaft swinging head is arranged on the outer side of the sliding seat and connected with the sliding seat through a Z-axis transmission structure and comprises a swinging head assembly and a disc brake assembly, the swinging head assembly is connected with the Z-axis transmission structure and comprises a main shaft box, a main shaft motor, a main shaft seat and a main shaft, one side of the main shaft box is provided with a sliding groove, the main shaft box is connected with the Z-axis transmission structure in a sliding manner, the main shaft seat is of a hollow structure, the main shaft vertically penetrates through the main shaft seat, one end of the main shaft is connected with an output shaft of the main shaft motor, the disc brake assembly is arranged on the other side of the main shaft box and connected with the main shaft seat and comprises a main shaft seat connecting disc, a disc brake disc and a disc brake device, the main shaft seat connecting disc is fixedly arranged on the main shaft seat, the disc brake disc is arranged on the outer side of the main shaft seat connecting disc, and the disc brake device is arranged on the main shaft box, and the disc brake disc corresponds to the disc brake device in position;
the rotary workbench is arranged on the base and comprises a motor, a rotary table, a transmission assembly and a cross roller bearing, wherein the transmission assembly is arranged between the motor and the rotary table to drive the motor and the rotary table to synchronously rotate, the transmission assembly comprises a planetary reducer, a synchronous belt and a gear set, the planetary reducer is arranged at the lower part of the rotary table, the gear set comprises a large gear and a small gear, the large gear is arranged at the bottom of the rotary table, the small gear is sleeved on an output shaft of the planetary reducer and meshed with the large gear, one end of the synchronous belt is connected with an output shaft of the motor, and the other end of the synchronous belt is connected with the planetary reducer; the crossed roller bearing is arranged between the base and the rotary table.
Further, the disc brake is provided with a plurality of disc brake devices, the disc brake devices are evenly distributed on the upper half part of the through hole along the outer diameter of the through hole and are in a fan shape, and the disc brake devices are hydraulic brake devices.
Further, the spindle box comprises a through hole, a rotary table bearing, a speed reducer and a swinging motor, wherein the through hole is formed in the lower portion of the spindle box, the rotary table bearing horizontally penetrates through the through hole, the speed reducer is arranged at the rear end of the rotary table bearing, and the swinging motor is arranged at the top of the spindle box.
Further, the turntable bearing is a YRT turntable bearing, the YRT bearing comprises a bearing outer ring and a bearing inner ring, the bearing outer ring is fixedly arranged on one side of the spindle box and is coaxially arranged with the through hole, and the bearing inner ring is horizontally arranged in the through hole and is fixedly connected with the spindle seat through a spindle seat connecting disc.
Further, the device also comprises a transmission mechanism, wherein the transmission mechanism is arranged between the speed reducer and the swing motor, and the transmission mechanism is driven by a synchronous belt wheel.
Further, the main shaft is a mechanical direct-connection main shaft, one end of the main shaft is provided with a BBT50 double-sided constraint taper shank structure, the speed reducer is an RV speed reducer, and the swing motor is a servo motor.
Further, the base comprises a first cavity and a second cavity, the first cavity is located above the first cavity, one side of the lower portion of the base outwards extends to form a mounting seat for mounting the motor, one side of the mounting seat is communicated with the first cavity, and the planetary reducer and the synchronous belt are arranged in the first cavity.
Further, the rotary workbench further comprises a lubrication assembly, the lubrication assembly is arranged in the second cavity and comprises an oil inlet pipe, an oil inlet distributor and a discharge pipe, the oil inlet pipe is connected with the oil inlet distributor, a plurality of branch pipes are arranged on the oil inlet distributor, one ends of the discharge pipes are connected with the branch pipes, and the other ends of the discharge pipes face different positions of the transmission assembly and the crossed roller bearings.
Further, the automatic tool changing device also comprises a grinding wheel trimmer and an automatic tool changing magazine, wherein the grinding wheel trimmer is arranged on one side of the spindle swinging head.
Furthermore, the X-axis transmission structure and the Z-axis transmission structure both adopt steel inlaid guide rails matched with wear-resistant guide rail sheet structures.
As can be seen from the above description of the present utility model, compared with the prior art, the present utility model has the following beneficial effects: through the technical scheme, when the spindle is used, the disc brake assembly arranged on the spindle box and connected with the spindle seat enables the spindle to be matched with the disc brake through the disc brake disc in the machining process, so that the spindle is effectively prevented from rotating and shaking in the XZ plane direction when carrying out high-load machining actions, the positioning precision of the spindle is improved, and the machining precision of the spindle swinging head is ensured;
through the crossed roller bearing arranged between the base and the rotary table, the bearing can bear higher overturning moment, so that the rotary table can be ensured to have higher supporting rigidity and higher running speed when large-size workpieces are ground, the rotary table can be accurately controlled in rotation, the rotation stability of the rotary table is ensured, and the grinding quality of rotary parts is improved;
the rotary table bearing is arranged on the main shaft box and connected with the main shaft seat, so that the rotation of the main shaft can swing at any angle within a certain angle range, meanwhile, the rotary table bearing is a YRT rotary table bearing, the YRT rotary table bearing has the advantage of high rotation precision, the consistency of the main shaft at each swinging angle is ensured, the grinding machine can perform more complex grinding procedures, and the grinding capacity of the grinding machine is improved;
the main shaft is arranged in the main shaft seat, a mechanical direct-connection main shaft is adopted by the main shaft, and is matched with a high-torque main shaft motor, so that the grinding efficiency of the main shaft is greatly improved, one end of the main shaft adopts a BBT50 double-sided constraint taper shank structure, the connection rigidity of the cutter handle is ensured, and the grinding quality is ensured;
the grinding wheel dresser arranged on one side of the spindle swinging head can control the grinding machine to finish the grinding wheel on machine after the grinding wheel grinds and abrades the workpiece, so as to ensure that the geometric accuracy of the grinding wheel meets the requirement;
through the X-axis transmission structure arranged on the cross beam and the Z-axis transmission structure arranged on the sliding seat, both adopt steel inlaid guide rails and are matched with a sliding mode of a wear-resistant guide rail sheet, the connection rigidity of a guide rail connection pair is ensured, and the grinding rigidity and the grinding surface quality of a grinding machine are greatly improved;
by utilizing the technical scheme of the utility model, the problem that the machining precision is low because the spindle swinging head and the rotary workbench are easy to shake in the machining process of the grinding machine is solved, and the large-scale rotary workpiece, the special-shaped workpiece and the special surface can be ground through the spindle swinging head, the rotary workbench, the X-axis transmission structure and the Z-axis transmission structure, so that the grinding capability of the grinding machine is improved, the grinding rigidity of the grinding machine is improved, and the grinding quality is ensured.
Drawings
Fig. 1 is a schematic structural view of a high-rigidity high-precision large-scale vertical compound grinder.
Fig. 2 is a schematic diagram of the structure of the spindle head.
Fig. 3 is a schematic cross-sectional view of a spindle head.
Fig. 4 is a schematic structural view of the rotary table.
In the figure: 1-base, 11-beam, 12-slide, 13-X-axis drive, 14-Z-axis drive, 15-first chamber, 16-second chamber, 17-mount, 2-spindle swing, 21-swing assembly, 22-disc brake assembly, 221-spindle mount interface disc, 222-disc brake disc, 223-disc brake, 23-drive, 24-headstock, 241-through bore, 242-, turret bearing, 243-speed reducer, 244-swing motor, 245-bearing outer race, 246-bearing inner race, 25-spindle motor, 26-spindle mount, 27-spindle, 28-slide, 3-rotary table, 31-motor, 32-rotary table, 33-drive assembly, 34-cross roller bearing, 35-lubrication assembly, 351-oil inlet tube, 352-oil inlet distributor, 353-outlet tube, 354-branch tube, 36-planetary speed reducer, 37-synchronous belt, 38-gear set, 381-large gear, 382-small gear, 4-trimmer, 5-automatic tool changing magazine.
Detailed Description
The utility model is further described below by means of specific embodiments.
As shown in the figure, the present embodiment provides a high-rigidity high-precision large-scale vertical compound grinder, which comprises a base 1, a spindle swinging head 2, a rotary workbench 3, a grinding wheel dresser 4 and an automatic tool changing tool magazine 5.
The base 1 comprises a cross beam 11 and a sliding seat 12, wherein the cross beam 11 is arranged on one side of the base 1, an X-axis transmission structure 13 is arranged on the cross beam 11, the sliding seat 12 is arranged on the X-axis transmission structure 13, and a Z-axis transmission structure 14 is arranged on the sliding seat 12; specifically, the X-axis transmission structure 13 and the Z-axis transmission structure 14 both adopt steel inlaid guide rails matched with wear-resistant guide rail sheet structures, so that the connection rigidity of a guide rail connection pair is ensured, and the grinding rigidity and the grinding surface quality of a grinding machine are greatly improved; further, the base 1 further includes a first chamber 15, a second chamber 16, and a mounting seat 17 for mounting the motor 31, wherein one side of the lower portion of the base 1 extends outwards, the second chamber 16 is located above the first chamber 15, and one side of the mounting seat 17 is communicated with the first chamber 15.
The spindle swinging head 2 is arranged on the outer side of the sliding seat 12 and is connected with the sliding seat 12 through a Z-axis transmission structure 14, and comprises a swinging head assembly 21, a disc brake assembly 22 and a transmission mechanism 23, wherein the swinging head assembly 21 is connected with the Z-axis transmission structure 14, the swinging head assembly 21 comprises a spindle box 24, a spindle motor 25, a spindle seat 26 and a spindle 27, a chute 28 is arranged on one side of the spindle box 24, the spindle box 24 is slidably connected with the Z-axis transmission structure 14, the spindle seat 26 is of a hollow structure, the spindle 27 vertically penetrates through the spindle seat 26, one end of the spindle 27 is connected with an output shaft of a spindle motor 25, the spindle box 24 comprises a through hole 241, a turntable bearing 242, a speed reducer 243 and a swinging head motor 244, the through hole 241 is arranged on the lower part of the spindle box 24, the turntable bearing 242 horizontally penetrates through the through hole 241, the speed reducer 243 is arranged at the rear end of the turntable bearing 242, the swinging head motor 244 is arranged on the top of the spindle box 24, the spindle 27 and the spindle motor 25 are arranged on the turntable bearing 242 on the spindle seat 24 through the spindle seat 26, the turntable bearing 242 is matched with the speed reducer 243, and the front end part of the spindle 27 is controlled in a rotating motion, and accurate positioning of the spindle 27 is ensured; further, the turntable bearing 242 is a YRT turntable bearing, has the advantage of high rotation precision, ensures the consistency of the spindle 27 at each swinging angle, and comprises a bearing outer ring 245 and a bearing inner ring 246, wherein the bearing outer ring 245 is fixedly arranged at one side of the spindle box 24 and is coaxially arranged with the through hole 241, the bearing inner ring 246 is horizontally arranged in the through hole 241 and is fixedly connected with the spindle seat 26 through the spindle seat connecting disc 221, and ensures the connection rigidity between the spindle seat 26 and the spindle box 24.
The disc brake assembly 22 is arranged on the other side of the spindle box 24 and is connected with the spindle seat 26, and comprises a spindle seat connecting disc 221, a disc brake disc 222 and a disc brake 223, wherein the spindle seat connecting disc 221 is fixedly arranged on the spindle seat 26, the disc brake disc 222 is arranged on the outer side of the spindle seat connecting disc 221, the disc brake 223 is arranged on the spindle box 24, the disc brake disc 222 corresponds to the disc brake 223 in position, and the disc brake disc 222 and the disc brake 223 are matched, so that the spindle 27 can be prevented from rotating and shaking in the XZ plane direction when the spindle 27 performs high-load machining action; specifically, the disc brake brakes 223 are hydraulic brakes, the disc brake brakes 223 are provided with a plurality of disc brakes, the disc brakes 223 are evenly distributed on the upper half part of the through holes 241 along the outer diameter of the through holes 241 and are in a fan shape, in the machining process, the spindle 27 needs to be kept at a fixed angle in the XZ rotation direction, part of impact force during the machining of the cutter is borne by the spindle 27, namely, the spindle motor 25 corresponding to the spindle 27 bears the impact force, but the load borne by the spindle motor 25 is limited, and the disc brake brakes 223 clamp the disc brake disc 222, so that vibration generated to the spindle 27 in the braking process is avoided, the rigidity of the spindle 27 is also enhanced, and the machining precision and the smoothness of workpieces are ensured.
The transmission mechanism 23 is arranged between the speed reducer 243 and the swing motor 244, the transmission mechanism 23 is a synchronous pulley transmission, the synchronous pulley transmission reduces the occupation of the whole axial space of the swing assembly 21, and the external dimension is optimized; specifically, the speed reducer 243 is an RV speed reducer, has advantages of high precision, high torque and the like, effectively improves the positioning precision of the rotation swing angle of the spindle 27, the swing motor 244 is a servo motor, the spindle 27 is a mechanical direct-connection spindle, one end of the spindle 27 is provided with a BBT50 double-sided constraint taper shank structure, and the connection rigidity between the spindle 27 and a cutter is greatly ensured by a double-sided constraint cutter shank connection mode.
The rotary workbench 3 is arranged on the base 1 and comprises a motor 31, a rotary table 32, a transmission assembly 33, a crossed roller bearing 34 and a lubrication assembly 35, wherein the transmission assembly 33 is arranged between the motor 31 and the rotary table 32 to drive the motor 31 and the rotary table 32 to synchronously rotate, the transmission assembly 33 comprises a planetary reducer 36, a synchronous belt 37 and a gear set 38, the synchronous belt 37 is in deceleration connection with the planetary reducer 36, high rotation speed and accurate input of the input end of the planetary reducer 36 are guaranteed, the gear set 38 guarantees the transmission stability of the transmission assembly 33, the rotary table 32 runs stably, and grinding quality of a grinding machine is guaranteed; specifically, the planetary reducer 36 is located below the turntable 32, the gear 38 set includes a large gear 381 and a small gear 382, the large gear 381 is located at the bottom of the turntable 32, the small gear 382 is sleeved on an output shaft of the planetary reducer 36 and is meshed with the large gear 381, the large gear 381 and the small gear 382 are meshed to have high transmission torque, and the turntable 32 can grind heavy workpieces; further, the planetary reducer 36 and the synchronous belt 37 are arranged in the first chamber 15, one end of the synchronous belt 37 is connected with the output shaft of the motor 31, the other end of the synchronous belt 37 is connected with the planetary reducer 36, the motor 31 is connected with the planetary reducer 36 by adopting the synchronous belt 37 with high speed and high precision, the rotation synchronism of the motor 31 and the planetary reducer 36 is ensured, and the problems of slipping of the synchronous belt 37 and the like are avoided.
The crossed roller bearing 34 is arranged between the base 1 and the rotary table 32, and the crossed roller bearing 34 adopts a tapered crossed roller bearing, so that the crossed roller bearing can bear higher overturning moment, and the rotary table 32 can have higher supporting rigidity and higher running speed when grinding large-size workpieces.
The lubrication assembly 35 is arranged in the second chamber 16, and the lubrication assembly 35 comprises an oil inlet pipe 351, an oil inlet distributor 352 and a discharge pipe 353, so that the cross roller bearing 34 and the gear set 38 in the transmission assembly 33 are fully lubricated, and the influence on the machining precision of the rotary table 32 is reduced; specifically, the oil inlet pipe 351 is connected to the oil inlet distributor 352, the oil inlet distributor 352 is provided with a plurality of branch pipes 354, the discharge pipe 353 is provided with a plurality of branch pipes 354, one end of the discharge pipe is connected to the branch pipes 354, and the other end of the discharge pipe faces different positions of the transmission assembly 33 and the crossed roller bearing 34.
The grinding wheel dresser 4 is arranged on one side of the spindle swinging head 2, and can control the grinding machine to on-machine dress the grinding wheel after the grinding wheel grinds and abrades the workpiece so as to ensure that the geometric accuracy of the grinding wheel meets the requirement.
In summary, by the above technical solution of the present utility model, the swinging assembly 21 and the disc brake assembly 22 can effectively avoid the main shaft 27 from swinging in the plane direction when performing the high load processing action, and improve the positioning accuracy of the main shaft 27, thereby ensuring the processing accuracy of the main shaft swinging head 2; in addition, the rotary table 32 can have larger supporting rigidity and higher running speed when grinding large-size workpieces by the crossed roller bearings 34; in addition, the rotation of the main shaft 27 can swing at any angle within a certain angle range through the turntable bearing 242, and the turntable bearing 242 is a YRT turntable bearing, so that the rotary precision is high, and the consistency of the main shaft 27 at each swinging angle is ensured; in addition, the main shaft 27 adopts a mechanical direct-connection main shaft, so that the grinding efficiency of the main shaft swinging head 2 is greatly improved, and one end of the main shaft 27 adopts a BBT50 double-sided constraint taper shank structure, so that the connection rigidity between the main shaft 27 and a cutter is ensured, and the grinding quality is ensured; in addition, through the grinding wheel dresser 4, the grinding machine can be controlled to finish the grinding wheel on machine after the grinding wheel grinds and wears the workpiece, so as to ensure that the geometric accuracy of the grinding wheel meets the requirement; in addition, the X-axis transmission structure 13 and the Z-axis transmission structure 14 both adopt steel inlaid guide rails and are matched with a sliding mode of wear-resistant guide rail sheets, so that the connection rigidity of a guide rail connection pair is ensured, and the grinding rigidity and the grinding surface quality of a grinding machine are greatly improved.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, i.e., the utility model is not to be limited to the details of the claims and the description, but rather is to cover all modifications which are within the scope of the utility model.
Claims (10)
1. A high-rigidity high-precision large-scale vertical compound grinding machine is characterized in that: comprises a base, a main shaft swinging head and a rotary workbench;
the base comprises a cross beam and a sliding seat, wherein the cross beam is arranged on one side of the base, an X-axis transmission structure is arranged on the cross beam, the sliding seat is arranged on the X-axis transmission structure, and a Z-axis transmission structure is arranged on the sliding seat;
the main shaft swinging head is arranged on the outer side of the sliding seat and connected with the sliding seat through a Z-axis transmission structure and comprises a swinging head assembly and a disc brake assembly, the swinging head assembly is connected with the Z-axis transmission structure and comprises a main shaft box, a main shaft motor, a main shaft seat and a main shaft, one side of the main shaft box is provided with a sliding groove, the main shaft box is connected with the Z-axis transmission structure in a sliding manner, the main shaft seat is of a hollow structure, the main shaft vertically penetrates through the main shaft seat, one end of the main shaft is connected with an output shaft of the main shaft motor, the disc brake assembly is arranged on the other side of the main shaft box and connected with the main shaft seat and comprises a main shaft seat connecting disc, a disc brake disc and a disc brake device, the main shaft seat connecting disc is fixedly arranged on the main shaft seat, the disc brake disc is arranged on the outer side of the main shaft seat connecting disc, and the disc brake device is arranged on the main shaft box, and the disc brake disc corresponds to the disc brake device in position;
the rotary workbench is arranged on the base and comprises a motor, a rotary table, a transmission assembly and a cross roller bearing, wherein the transmission assembly is arranged between the motor and the rotary table to drive the motor and the rotary table to synchronously rotate, the transmission assembly comprises a planetary reducer, a synchronous belt and a gear set, the planetary reducer is arranged at the lower part of the rotary table, the gear set comprises a large gear and a small gear, the large gear is arranged at the bottom of the rotary table, the small gear is sleeved on an output shaft of the planetary reducer and meshed with the large gear, one end of the synchronous belt is connected with an output shaft of the motor, and the other end of the synchronous belt is connected with the planetary reducer; the crossed roller bearing is arranged between the base and the rotary table.
2. The high-rigidity high-precision large-scale vertical compound grinder according to claim 1, wherein: the disc brake is characterized in that a plurality of disc brake devices are arranged, the disc brake devices are evenly distributed on the upper half part of the through hole along the outer diameter of the through hole and are in a fan-shaped shape, and the disc brake devices are hydraulic brake devices.
3. The high-rigidity high-precision large-scale vertical compound grinder according to claim 1, wherein: the main shaft box comprises a through hole, a rotary table bearing, a speed reducer and a swinging motor, wherein the through hole is formed in the lower portion of the main shaft box, the rotary table bearing horizontally penetrates through the through hole, the speed reducer is arranged at the rear end of the rotary table bearing, and the swinging motor is arranged at the top of the main shaft box.
4. A high rigidity high precision large scale vertical compound grinder according to claim 3, wherein: the rotary table bearing is a YRT rotary table bearing, the YRT rotary table bearing comprises a bearing outer ring and a bearing inner ring, the bearing outer ring is fixedly arranged on one side of the spindle box and is coaxially arranged with the through hole, and the bearing inner ring is horizontally arranged in the through hole and is fixedly connected with the spindle seat through a spindle seat connecting disc.
5. A high rigidity high precision large scale vertical compound grinder according to claim 3, wherein: the device also comprises a transmission mechanism, wherein the transmission mechanism is arranged between the speed reducer and the swing motor, and the transmission mechanism is driven by a synchronous belt wheel.
6. A high rigidity high precision large scale vertical compound grinder according to claim 3, wherein: the main shaft is a mechanical direct-connection main shaft, one end of the main shaft is provided with a BBT50 double-sided constraint taper shank structure, the speed reducer is an RV speed reducer, and the swing motor is a servo motor.
7. The high-rigidity high-precision large-scale vertical compound grinder according to claim 1, wherein: the base comprises a first cavity and a second cavity, the first cavity is located above the first cavity, one side of the lower portion of the base extends outwards to form an installation seat for installing a motor, one side of the installation seat is communicated with the first cavity, and the planetary reducer and the synchronous belt are arranged in the first cavity.
8. The high-rigidity high-precision large-scale vertical compound grinder according to claim 7, wherein: the rotary workbench further comprises a lubrication assembly, the lubrication assembly is arranged in the second cavity and comprises an oil inlet pipe, an oil inlet distributor and a discharge pipe, the oil inlet pipe is connected with the oil inlet distributor, a plurality of branch pipes are arranged on the oil inlet distributor, one ends of the discharge pipes are connected with the branch pipes, and the other ends of the discharge pipes face different positions of the transmission assembly and the crossed roller bearings.
9. The high-rigidity high-precision large-scale vertical compound grinder according to claim 1, wherein: the automatic tool changing device also comprises a grinding wheel trimmer and an automatic tool changing tool magazine, wherein the grinding wheel trimmer is arranged on one side of the spindle swinging head.
10. The high-rigidity high-precision large-scale vertical compound grinder according to claim 1, wherein: the X-axis transmission structure and the Z-axis transmission structure both adopt steel inlaid guide rails and wear-resistant guide rail sheet structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320435157.1U CN219617387U (en) | 2023-03-09 | 2023-03-09 | Large-scale vertical compound grinding machine of high rigidity high accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320435157.1U CN219617387U (en) | 2023-03-09 | 2023-03-09 | Large-scale vertical compound grinding machine of high rigidity high accuracy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219617387U true CN219617387U (en) | 2023-09-01 |
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ID=87770474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320435157.1U Active CN219617387U (en) | 2023-03-09 | 2023-03-09 | Large-scale vertical compound grinding machine of high rigidity high accuracy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219617387U (en) |
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2023
- 2023-03-09 CN CN202320435157.1U patent/CN219617387U/en active Active
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