CN115255971A - Machining center head swinging device suitable for difficult-to-machine materials - Google Patents
Machining center head swinging device suitable for difficult-to-machine materials Download PDFInfo
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- 230000001360 synchronised effect Effects 0.000 claims description 16
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
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Abstract
The invention relates to the technical field of metal processing, and provides a processing center head swinging device suitable for difficult-to-process materials, which comprises a box body, a main shaft box, a first swinging mechanism, a second swinging mechanism and a control system, wherein the left side of the main shaft box is in rotating fit with an auxiliary supporting mechanism arranged on the box body, and the right side of the main shaft box is in driving connection with the second swinging mechanism arranged on the box body; the first swing mechanism can rotate under the driving of a power source and can drive the second swing mechanism to rotate so as to swing the spindle box and stop at a preset position; the control system receives the position data acquired by the acquisition unit of the second swing mechanism and drives the power source to act to correct the preset position until the preset position reaches the target position.
Description
Technical Field
The invention relates to the technical field of metal processing, in particular to a processing center head swinging device suitable for materials difficult to process.
Background
The horizontal five-axis machining center is currently used for machining complex-profile parts made of titanium alloy and other difficult-to-machine materials, so that the head swinging component is required to have the characteristics of high rigidity, large torque, high precision and the like, but the existing equipment cannot meet the characteristics of large torque and high rigidity, and the whole weight is large, so that the energy consumption is high.
Patent document CN208467747U discloses a mechanical single pendulum head, a housing and an end cover for a five-axis compound machining center, which includes: the device comprises a shell, a head swing box, a first swing mechanism, a second swing mechanism, a first gear and a motor; the shell is arranged on two sides of the head swinging box, a first swinging mechanism and a second swinging mechanism are respectively arranged outside the two sides of the shell, and the first gear is arranged between the first swinging mechanism and the head swinging box; the first swing mechanism is a duplex gearbox, and the radius of the first gear is larger than that of the second gear; the second swing mechanism includes: the swing head box is designed by adopting the cylindrical roller bearing and the angular contact ball bearing as supporting shafts, so that the rigid improvement of the swing head is limited; a gear transmission mechanism is adopted as a second-stage speed reduction mechanism, and the improvement on the swing torque is limited due to the small transmission of the gear.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a machining center head swinging device suitable for materials difficult to machine.
According to the invention, the machining center head swinging device suitable for the materials difficult to machine comprises:
the box body is used for supporting;
the left side of the main spindle box is in rotating fit with an auxiliary supporting mechanism arranged on the box body, and the right side of the main spindle box is in driving connection with a second swinging mechanism arranged on the box body;
the first swing mechanism can rotate under the driving of a power source and can drive the second swing mechanism to rotate so as to swing the spindle box and stop at a preset position;
and the control system receives the position data acquired by the acquisition unit of the second swing mechanism and drives the power source to act to correct the preset position until the preset position reaches the target position or is within the range of the target position.
Preferably, the first swing mechanism is driven by a power source to be connected with the second swing mechanism through a synchronous belt.
Preferably, the power source adopts a servo motor, and the first swing mechanism comprises a driven pulley expansion sleeve, a driven pulley, a synchronous belt, a driving pulley and a driving pulley expansion sleeve;
the second swing mechanism comprises a central shaft and a rolling worm gear, the driving belt wheel is sleeved on an output shaft of the servo motor through a driving belt wheel expansion sleeve, the driven belt wheel is sleeved on an input end of the rolling worm gear through a driven belt wheel expansion sleeve, an output end of the rolling worm gear is connected with the central shaft, and when the servo motor can drive the driving belt wheel to rotate and drive the rolling worm gear to operate through the synchronous belt, the central shaft is rotated;
the central shaft is fixedly arranged on the right side of the spindle box.
Preferably, the auxiliary supporting mechanism comprises a bearing seat, a bearing piece and a connecting shaft;
one end of the connecting shaft is fixedly installed on the left side of the spindle box, the outer portion of the other end of the connecting shaft is installed inside the bearing seat through a bearing piece, and the bearing seat is fixedly installed on the box body.
Preferably, the connecting shaft and the central shaft are hollow shafts.
Preferably, the rolling worm gear comprises a worm wheel and a worm, the worm wheel and the central shaft are arranged concentrically, the lower end of the worm is meshed with the worm wheel, and the driven belt wheel is sleeved at the upper end of the worm wheel through a driven belt wheel expansion sleeve.
Preferably, the bearing piece adopts a double-row cylindrical roller bearing;
the upper end of the worm is fixed on the front eccentric bearing seat through an angular contact ball bearing, the lower end of the worm is fixed on the rear eccentric bearing seat through a double-row cylindrical roller bearing, and the front eccentric bearing seat and the rear eccentric bearing seat are fixed in the box body.
Preferably, the axis of the worm is arranged in parallel with the axis of the output shaft of the servo motor.
Preferably, the radius of the driving pulley is smaller than the radius of the driven pulley.
Preferably, the second swing mechanism comprises a pneumatic clamp, a wear-resistant ring and a clamp mounting seat;
the pneumatic clamp is fixed on the box body through the clamp mounting seat, and the pneumatic clamp can be locked or loosened by a wear-resistant ring on the central shaft under the control of the control system, so that the locking and positioning state or the non-locking state of the central shaft can be realized.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention adopts the transmission structure of the servo motor, the synchronous belt and the worm gear, improves the transmission torque of the head swinging part, adopts the light weight design for the head swinging box body, reduces the weight of the box body on the premise of meeting the rigidity requirement, increases the internal installation space of the box body, and ensures that the whole transmission system can be installed inside the box body, thereby reducing the volume of the whole head swinging, leading the whole appearance of the head swinging to be compact and being beneficial to the miniaturization development of equipment.
2. The invention adopts the structure of the auxiliary bearing and the YRT turntable bearing to fixedly support two sides of the spindle box, thereby improving the integral rigidity of the swing head part.
3. The invention adopts a rolling worm gear structure, reduces transmission friction and prolongs the service life of the swing head.
4. The invention adopts a worm eccentric adjustment structure, can conveniently and accurately adjust the relative position of the worm gear and the worm, eliminates the transmission reverse clearance, and improves the transmission precision of the swing head and reduces the complexity of installation and adjustment compared with the prior art which adopts a spacer for adjustment and needs to make the worm into two sections.
5. The invention adopts the structure of the pneumatic clamp, and the pneumatic clamp is in clamping fit with the wear-resisting ring fixed on the central shaft, thereby ensuring the fixed angle of the swinging head and ensuring the processing precision.
6. The invention adopts the structure of the annular grating ruler to carry out closed-loop control on the rotation position of the swinging head, thereby ensuring the swinging precision of the swinging head, and meanwhile, the annular grating ruler is directly arranged at the tail section of the central shaft.
7. The shaft in the invention adopts a hollow shaft, so that the overall weight of the equipment is greatly reduced under the condition of ensuring the rigidity, the energy consumption is low, and the wiring of electric, gas and liquid pipelines is convenient.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention, wherein the box body is not shown;
FIG. 3 is a schematic cross-sectional front view of the present invention;
FIG. 4 is a schematic side cross-sectional view of the present invention;
FIG. 5 is an enlarged view of the upper end position of the worm;
FIG. 6 is an enlarged schematic view of the structure of the output shaft position of the servo motor;
fig. 7 is an enlarged view of the structure of the lower end position of the worm.
The figures show that:
1-box 19-wear-resistant ring
2-spindle box 20-annular grating ruler
3-electric spindle 21-grating protective cover
4-end cap 22-grating mounting plate
5-auxiliary supporting mechanism 23-clamp mounting seat
6-second swing mechanism 24-front eccentric bearing seat
7-first oscillating mechanism 25-angular contact ball bearing
8-Motor mounting plate 26-front bearing gland
9-adjusting block 27-worm
10-servo motor 28-driven pulley expansion sleeve
11-bearing seat 29-driven pulley
12-bearing gland 30-synchronous belt
13-double-row cylindrical roller bearing 31-driving belt pulley
14-connecting shaft 32-driving pulley expansion sleeve
15-YRT turntable bearing 33-expansion sleeve gland
16-center shaft 34-rear eccentric bearing seat
17-worm wheel 35-double-row cylindrical roller bearing
18-pneumatic clamp 36-rear bearing gland
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the concept of the invention. All falling within the scope of the invention.
Example 1:
the invention provides a machining center head swinging device suitable for difficult-to-machine materials, which comprises a box body 1, a main shaft box 2, an auxiliary supporting mechanism 5, a first swinging mechanism 6, a second swinging mechanism 7 and a control system, wherein the box body 1 is used for supporting and is a supporting structure of the whole device, an electric main shaft 3 is installed on the main shaft box 2 and is an output end of equipment, the left side of the main shaft box 2 is in rotating fit with the auxiliary supporting mechanism 5 installed on the box body 1, the auxiliary supporting mechanism 5 is used for supporting the left side of the main shaft box 2 when the main shaft box 2 rotates, the right side of the main shaft box 2 is in driving connection with the second swinging mechanism 7 installed on the box body 1, and the second swinging mechanism 7 can drive the main shaft box 2 to rotate when rotating.
The first swing mechanism 6 can rotate under the driving of a power source, and can drive the second swing mechanism 7 to rotate so as to swing the spindle box 2 and stop at a preset position, and the power source preferably adopts a motor; the control system receives the position data acquired by the acquisition unit of the second swing mechanism 7 and compares the position data with the target position, and when the comparison result is inconsistent with the target position, the control system sends a control command and drives the power source to act to correct the preset position until the preset position reaches the target position or is within the range of the target position, so that the purpose of high-precision machining is achieved.
Specifically, the first swing mechanism 6 can be driven and connected with the second swing mechanism 7 through a synchronous belt 30 under the driving of a motor, the first swing mechanism 6 comprises a driven belt wheel expansion sleeve 28, a driven belt wheel 29, a synchronous belt 30, a driving belt wheel 31 and a driving belt wheel expansion sleeve 32, the second swing mechanism 7 comprises a central shaft 16 and a rolling worm gear, the driving belt wheel 31 is sleeved on an output shaft of the motor through the driving belt wheel expansion sleeve 32, the driven belt wheel 29 is sleeved on an input end of the rolling worm gear through the driven belt wheel expansion sleeve 28, an output end of the rolling worm gear is connected with the central shaft 16, the motor can drive the driving belt wheel 31 to rotate and drive the rolling worm gear to operate through the synchronous belt 30 so as to enable the central shaft 16 to rotate, the central shaft 16 is fixedly installed on the right side of the spindle box 2, and the rotation of the central shaft 16 can drive the central shaft 16 to rotate together.
The auxiliary supporting mechanism 5 plays a role of supporting the left side of the spindle box 2 and comprises a bearing seat 11, a bearing piece and a connecting shaft 14; one end of the connecting shaft 14 is fixedly arranged at the left side of the spindle box 2, the outer part of the other end is arranged inside the bearing seat 11 through a bearing piece, and the bearing seat 11 is fixedly arranged on the box body 1.
The connecting shaft 14 and the central shaft 16 are hollow shafts, so that the weight of the whole equipment can be greatly reduced, the energy consumed by action is reduced, the rolling worm gear comprises a worm wheel 17 and a worm 27, the worm wheel 17 and the central shaft 16 are concentrically arranged, the lower end of the worm 27 is meshed with the worm wheel 17, a driven belt wheel 29 is sleeved at the upper end of the worm wheel 17 through a driven belt wheel expansion sleeve 28, and the worm 27 can drive the worm wheel 17 to rotate so as to drive the central shaft 16 to rotate when rotating.
It should be noted that, the axis of the worm 27 is arranged in parallel with the axis of the output shaft of the servo motor 10, so that the whole structure can be arranged more compactly, the radius of the driving pulley 31 is smaller than that of the driven pulley 29, so that the whole rotation is decelerated and the driving torque is increased, the bearing part adopts the double-row cylindrical roller bearing 13, the upper end of the worm 27 is fixed on the front eccentric bearing seat 24 through the angular contact ball bearing 25, the lower end of the worm 27 is fixed on the rear eccentric bearing seat 34 through the double-row cylindrical roller bearing 35, both the front eccentric bearing seat 24 and the rear eccentric bearing seat 34 are fixed in the box body 1, and the relative position between the worm 27 and the worm wheel 17 can be adjusted through the rotation of the front eccentric bearing seat 24 and the rear eccentric bearing seat 34, so that the reverse gap of the worm wheel and worm transmission is eliminated.
In this embodiment, the second swing mechanism 7 includes a pneumatic clamp 18, a wear-resistant ring 19, and a clamp mounting seat 23, the pneumatic clamp 18 is fixed on the box body 1 through the clamp mounting seat 23, and the pneumatic clamp 18 can lock or release the wear-resistant ring 19 on the central shaft 16 under the control of the control system, so as to achieve a locked or unlocked state of the central shaft 16.
Example 2:
this embodiment is a preferred embodiment of embodiment 1.
The embodiment provides a machining center head swinging device suitable for difficult-to-machine materials, in particular to a high-rigidity large-torque horizontal five-axis machining center head swinging device, which comprises a box body 1, a spindle box 2, an auxiliary supporting mechanism 5, a first swinging mechanism 6, a second swinging mechanism 7, a servo motor 10 and an end cover 4, wherein as shown in fig. 1 and 2, the auxiliary supporting mechanism 5 is arranged in a left inner cavity of the box body 1; the first swing mechanism 6, the second swing mechanism 7 and the servo motor 10 are arranged in the right inner cavity of the box body 1; the headstock 2 is disposed between the auxiliary support mechanism 5 and the second swing mechanism 7; the end cover 4 is arranged on the outer wall of the right side of the box body 1, and plays a role in protection and attractiveness.
As shown in fig. 3, the auxiliary supporting mechanism 5 is a bearing support, and includes a bearing seat 11, a bearing gland 12, a double-row cylindrical roller bearing 13, and a connecting shaft 14, wherein the inner side of the connecting shaft 14 is fixedly connected with the left side of the main spindle box 2, the double-row cylindrical roller bearing 13 is sleeved on the outer side of the connecting shaft 14 and is arranged inside the bearing seat 11, the bearing gland 12 is installed on the bearing seat 11 and is located outside the outer side end of the double-row cylindrical roller bearing 13, so as to protect the double-row cylindrical roller bearing 13, and the bearing seat 11 is fixedly connected with the box body 1.
As shown in fig. 2 and 4, the first swing mechanism 6 includes a driven pulley expansion sleeve 28, a driven pulley 29, a timing belt 30, a driving pulley 31, a driving pulley expansion sleeve 32, and an expansion sleeve gland 33. The driving pulley 31 is connected with the servo motor rotating shaft through a driving pulley expansion sleeve 32, an expansion sleeve gland 33 compresses the driving pulley expansion sleeve 32, the driven pulley 29 is connected with the driving pulley 31 through a synchronous belt 30, the radius of the driving pulley 31 is smaller than that of the driven pulley 29, and a driven pulley expansion sleeve 28 is arranged on the inner side of the driven pulley 29 and used for connecting the driven pulley 29 and the worm shaft 27.
The second swing mechanism 7 is a transmission structure of a rolling worm gear, and comprises a central shaft 16, a YRT turntable bearing 15, a rolling worm gear, a front eccentric bearing seat 24, an angular contact ball bearing 25, a front bearing gland 26, a rear eccentric bearing seat 34, a double-row cylindrical roller bearing 35 and a rear bearing gland 36. The YRT rotary table bearing 15 is arranged at the head of the central shaft 16, the YRT rotary table bearing 15 is fixed on the box body 1, the rolling worm gear comprises a rolling worm wheel 17 and a worm 27, the worm wheel 17 is arranged in the middle of the central shaft 16, the worm 27 is meshed with the worm wheel 17 for transmission, the upper end of the worm 27 is provided with an angular contact ball bearing 25, the outer ring of the angular contact ball bearing 25 is provided with a front eccentric bearing seat 24, the front eccentric bearing seat 24 is fixed in the box body 1, a front bearing gland 26 axially fixes the outer ring of the angular contact ball bearing 25, the lower end of the worm 27 is provided with a double-row cylindrical roller bearing 35, the outer ring of the double-row cylindrical roller bearing 35 is provided with a rear eccentric bearing seat 34, the rear eccentric bearing seat 34 is fixed in the box body 1, and a rear bearing gland 36 axially fixes the outer ring of the double-row cylindrical roller bearing 35.
In this embodiment, the second swing mechanism 7 further includes a wear-resistant ring 19, a pneumatic clamp 18, a clamp mounting seat 23, an annular grating scale 20, a grating mounting plate 22, and a grating protective cover 21. The wear-resisting circle 19 is fixed on the center pin 16, the side of the pneumatic clamp 18 is provided with the clamp mounting seat 23, the clamp mounting seat 23 is fixed on the box body 1, the annular grating ruler 20 comprises a grating hub and a reading head, the grating hub is connected with the center pin 16, the reading head is fixedly connected with the grating mounting plate 22, the grating mounting plate 22 is fixed on the box body 1, and the grating protective cover 21 is fixedly connected with the grating mounting plate 22.
Specifically, the box body 1 is used for placing and protecting rotating components in the auxiliary supporting mechanism 5, the first swing mechanism 6, the second swing mechanism 7 and the servo motor 10, the spindle box 2 is used for installing a high-speed electric spindle, the motor mounting plate is installed on the rear side inside the box body 1 and used for installing the servo motor 10, the synchronous belt 30 is connected with the servo motor 10 and a belt wheel on the worm 27, the position of the motor mounting plate is adjusted by a screw on an adjusting block after the synchronous belt 30 is connected, the synchronous belt 30 is tightened, the servo motor shaft rotates and is transmitted to the driven belt wheel 29 through the synchronous belt 30, and first-stage speed reduction is achieved. The rolling worm gears with large transmission ratio in the second swing mechanism 7 are in meshed transmission, the worm wheel 17 drives the central shaft 16 to rotate, second-stage speed reduction is realized, and the transmission torque is greatly improved by twice speed reduction. The central shaft 16 is connected with the spindle box 2 through screws, so that the spindle box 2 is driven to swing. The YRT turntable bearing 15 on the left side of the main spindle box 2 bears radial force and axial force, and the double-row cylindrical roller bearing 35 on the right side bears radial force, so that a stable rotation axis is provided for the main spindle box 2, and the rigidity of the swing head is improved.
The pneumatic clamp 18 is used for locking the rotation of the central shaft 16, and the accuracy of the fixed angle machining of the swing head is guaranteed. The wear-resisting ring 19 is connected with the central shaft 16 through a screw, the pneumatic clamp 18 is fixed on the clamp mounting seat 23, the positions of the wear-resisting ring 19 and the pneumatic clamp 18 correspond to each other, and after the pneumatic clamp 18 is ventilated, the inner ring and the wear-resisting ring 19 are locked, so that the central shaft 16 is locked.
The annular grating ruler 20 is used for guaranteeing the precision of the swing angle of the head swing box and detecting the swing angle position of the spindle box 2 in real time, data collected by the annular grating ruler 20 are fed back to the control system, and the control system carries out position compensation on the position with errors, so that closed-loop control of the rotation position of the head swing is formed, and the swing precision of the head swing is improved.
The swing principle of the invention is as follows:
the control system receives a rotation command and then controls the servo motor 10 to rotate, a driving belt wheel 31 assembled on an output shaft of the servo motor 10 rotates and drives a driven belt wheel 29 to rotate through a synchronous belt 30, and further drives a worm 27 to rotate, a worm wheel 17 is meshed with the worm 27, therefore, the worm wheel 17 also rotates along with the rotation of the worm 27, the worm wheel 17 is fixedly assembled with a central shaft 16, therefore, the central shaft 16 also rotates along with the worm wheel 17, further drives a spindle box 2 to rotate, so that the orientation of the electric spindle 3 is rotated to a preset position, at the moment, the control system compares position data acquired through an annular grating ruler 20 installed on a second swing mechanism 7 with a target position, and when the comparison result is not consistent with the target position, the control system sends a control command and drives the servo motor 10 to move and correct the preset position until the preset position reaches the target position or is within the range of the target position, and the purpose of high-precision machining is achieved.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides a machining center yaw device suitable for difficult processing material which characterized in that includes:
a box body (1) for supporting;
the left side of the main shaft box (2) is in running fit with an auxiliary supporting mechanism (5) arranged on the box body (1), and the right side of the main shaft box is in driving connection with a second swinging mechanism (7) arranged on the box body (1);
the first swing mechanism (6) can rotate under the driving of a power source and can drive the second swing mechanism (7) to rotate so as to swing the spindle box (2) and stop at a preset position;
and the control system is used for receiving the position data acquired by the acquisition unit of the second swing mechanism (7) and driving the power source to act to correct the preset position until the preset position reaches the target position or is within the range of the target position.
2. The machining center oscillating device suitable for difficult-to-machine materials according to claim 1 is characterized in that the first oscillating mechanism (6) is in driving connection with the second oscillating mechanism (7) through a synchronous belt (30) under the driving of a power source.
3. The machining center head swinging device suitable for difficult-to-machine materials is characterized in that the power source adopts a servo motor (10), and the first swinging mechanism (6) comprises a driven pulley expansion sleeve (28), a driven pulley (29), a synchronous belt (30), a driving pulley (31) and a driving pulley expansion sleeve (32);
the second swing mechanism (7) comprises a central shaft (16) and a rolling worm gear, a driving belt wheel (31) is sleeved on an output shaft of the servo motor (10) through a driving belt wheel expansion sleeve (32), a driven belt wheel (29) is sleeved on an input end of the rolling worm gear through a driven belt wheel expansion sleeve (28), an output end of the rolling worm gear is connected with the central shaft (16), and when the servo motor (10) can drive the driving belt wheel (31) to rotate and drive the rolling worm gear to operate through a synchronous belt (30), the central shaft (16) is rotated;
the central shaft (16) is fixedly arranged on the right side of the main spindle box (2).
4. The machining center head swinging device suitable for difficult-to-machine materials according to claim 3, characterized in that the auxiliary supporting mechanism (5) comprises a bearing seat (11), a bearing piece and a connecting shaft (14);
one end of the connecting shaft (14) is fixedly installed on the left side of the spindle box (2), the outer portion of the other end of the connecting shaft is installed inside the bearing seat (11) through a bearing piece, and the bearing seat (11) is fixedly installed on the box body (1).
5. The machining center oscillating device suitable for difficult-to-machine materials according to claim 4, characterized in that the connecting shaft (14) and the central shaft (16) are hollow shafts.
6. The machining center yaw device suitable for difficult-to-machine materials according to claim 4, characterized in that the rolling worm gear comprises a worm wheel (17) and a worm (27), the worm wheel (17) is arranged concentrically with the central shaft (16), the lower end of the worm (27) is meshed with the worm wheel (17), and the driven pulley (29) is sleeved on the upper end of the worm wheel (17) through a driven pulley expansion sleeve (28).
7. The machining center oscillating device suitable for difficult-to-machine materials is characterized in that the bearing piece adopts a double-row cylindrical roller bearing (13);
the upper end of the worm (27) is fixed on a front eccentric bearing seat (24) through an angular contact ball bearing (25), the lower end of the worm (27) is fixed on a rear eccentric bearing seat (34) through a double-row cylindrical roller bearing (35), and the front eccentric bearing seat (24) and the rear eccentric bearing seat (34) are fixed in the box body (1).
8. The machining center oscillating device suitable for difficult-to-machine materials according to claim 6 is characterized in that the axis of the worm (27) is arranged in parallel with the axis of the output shaft of the servo motor (10).
9. The machining center head swinging device suitable for difficult-to-machine materials according to claim 6, characterized in that the radius of the driving pulley (31) is smaller than that of the driven pulley (29).
10. The machining center oscillating head device suitable for difficult-to-machine materials according to claim 1, characterized in that the second oscillating mechanism (7) comprises a pneumatic clamp (18), a wear-resistant ring (19) and a clamp mounting seat (23);
the pneumatic clamp (18) is fixed on the box body (1) through a clamp mounting seat (23), and the pneumatic clamp (18) can be locked or loosened by a wear-resistant ring (19) on the central shaft (16) under the control of a control system, so that the locking and positioning state or the non-locking state of the central shaft (16) can be realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210758225.8A CN115255971A (en) | 2022-06-30 | 2022-06-30 | Machining center head swinging device suitable for difficult-to-machine materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210758225.8A CN115255971A (en) | 2022-06-30 | 2022-06-30 | Machining center head swinging device suitable for difficult-to-machine materials |
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| CN115255971A true CN115255971A (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210758225.8A Pending CN115255971A (en) | 2022-06-30 | 2022-06-30 | Machining center head swinging device suitable for difficult-to-machine materials |
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| CN (1) | CN115255971A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115741131A (en) * | 2022-11-21 | 2023-03-07 | 江苏恒力组合机床有限公司 | Machining center main shaft revolving stage |
| CN116984907A (en) * | 2023-09-27 | 2023-11-03 | 成都中良川工科技有限公司 | Numerical control rotary table |
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| CN201913475U (en) * | 2010-12-29 | 2011-08-03 | 中捷机床有限公司 | High-rigidity swinging head with large swinging range for horizontal five-axis machining center machine tool |
| CN202367509U (en) * | 2011-11-26 | 2012-08-08 | 青海一机数控机床有限责任公司 | Locking device of main shaft head of five-shaft swinging head |
| CN102785086A (en) * | 2012-08-23 | 2012-11-21 | 西北工业大学 | Locking oscillating head for five-coordinate machine tool |
| CN202846170U (en) * | 2012-08-23 | 2013-04-03 | 西北工业大学 | Locking swing head used for five-axis machine tool |
| WO2021135759A1 (en) * | 2019-12-31 | 2021-07-08 | 科德数控股份有限公司 | Angle attachment head having transmission function |
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2022
- 2022-06-30 CN CN202210758225.8A patent/CN115255971A/en active Pending
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| CN102085616A (en) * | 2010-12-29 | 2011-06-08 | 中捷机床有限公司 | High-rigidity swing head with large swing-angle range for horizontal five-axis machining centre lathe |
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| CN202367509U (en) * | 2011-11-26 | 2012-08-08 | 青海一机数控机床有限责任公司 | Locking device of main shaft head of five-shaft swinging head |
| CN102785086A (en) * | 2012-08-23 | 2012-11-21 | 西北工业大学 | Locking oscillating head for five-coordinate machine tool |
| CN202846170U (en) * | 2012-08-23 | 2013-04-03 | 西北工业大学 | Locking swing head used for five-axis machine tool |
| WO2021135759A1 (en) * | 2019-12-31 | 2021-07-08 | 科德数控股份有限公司 | Angle attachment head having transmission function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115741131A (en) * | 2022-11-21 | 2023-03-07 | 江苏恒力组合机床有限公司 | Machining center main shaft revolving stage |
| CN116984907A (en) * | 2023-09-27 | 2023-11-03 | 成都中良川工科技有限公司 | Numerical control rotary table |
| CN116984907B (en) * | 2023-09-27 | 2023-12-22 | 成都中良川工科技有限公司 | Numerical control rotary table |
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