CN112139844A - Vertical lathe spindle transmission arrangement structure - Google Patents
Vertical lathe spindle transmission arrangement structure Download PDFInfo
- Publication number
- CN112139844A CN112139844A CN202011006337.5A CN202011006337A CN112139844A CN 112139844 A CN112139844 A CN 112139844A CN 202011006337 A CN202011006337 A CN 202011006337A CN 112139844 A CN112139844 A CN 112139844A
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- China
- Prior art keywords
- shaft
- motor
- transmission
- vertical lathe
- reduction gearbox
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 58
- 230000009467 reduction Effects 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B3/00—General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines
- B23B3/06—Turning-machines or devices characterised only by the special arrangement of constructional units
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A spindle transmission arrangement structure of a vertical lathe comprises a motor, a reduction gearbox, a spindle and a transmission gear ring, wherein the motor is installed through a motor installation plate, a motor shaft of the motor faces downwards, a reduction gearbox installation groove is formed in a lathe bed, an input shaft and an output shaft of the reduction gearbox face upwards and are opposite to the motor shaft, and the input shaft of the reduction gearbox and the motor shaft are in transmission connection through a belt pulley and a belt; the main shaft is supported and installed in the transmission gear ring through a bearing, a gear is sleeved on an output shaft of the reduction gearbox, and the peripheral part of the transmission gear ring is meshed with the gear. According to the invention, the motor shaft is reversely mounted, and the mounting space for mounting the transmission mechanism and the reduction gearbox is formed on the lathe bed, so that the mounting space for mounting parts of the vertical lathe is greatly reduced, the structure is relatively compact, and the transmission efficiency is greatly improved.
Description
Technical Field
The invention belongs to the technical field of vertical lathe spindle transmission, and particularly relates to an arrangement structure suitable for vertical lathe spindle transmission.
Background
The main shaft is used as a core part of a machine tool, and the rotation precision of the main shaft directly influences the precision of roundness, cylindricity, runout and the like of a machined part.
At present, the traditional spindle drive arrangement: the main motor is separated from the lathe bed at the installation position and transmits power through the long V belt. In addition, the main shaft positioning and supporting structure consists of a double-row cylindrical roller bearing and a thrust ball bearing, wherein the double-row cylindrical roller bearing is a main bearing; the thrust cylindrical roller bearing mainly bears the weight of a workpiece and the cutting force loaded on the workbench in the cutting process. The main shaft transmission arrangement mode not only occupies a large space, but also has the disadvantages of complex design of a working turntable, heavy weight, high gravity center and troublesome precision adjustment.
Disclosure of Invention
The invention aims to provide a vertical lathe spindle transmission arrangement structure with a spindle arrangement structure, which has the advantages of compact structure, high transmission efficiency and reliable operation, and aims to solve the problems of large equipment occupation space, complex design of a working rotary table, heavy weight, high gravity center and troublesome precision adjustment in the conventional machine tool spindle transmission arrangement form.
Therefore, the invention adopts the following technical scheme: a vertical lathe spindle transmission arrangement structure comprises a motor, a reduction gearbox and a spindle, and is characterized by further comprising a transmission gear ring, wherein the motor is installed through a motor installation plate, a motor shaft of the motor faces downwards, a reduction gearbox installation groove is formed in a lathe body, an input shaft and an output shaft of the reduction gearbox face upwards and are opposite to the motor shaft, and the input shaft of the reduction gearbox and the motor shaft are in transmission connection through a belt pulley and a belt;
the main shaft is supported and installed in the transmission gear ring through a bearing, a gear is sleeved on an output shaft of the reduction gearbox, and the peripheral part of the transmission gear ring is meshed with the gear.
In addition to the above technical solutions, the present invention also includes the following technical features.
The top end face of the transmission gear ring is provided with a workbench, and the workbench is fixed on the end face of the transmission gear ring through screw centering.
The bearing is a tapered crossed roller bearing.
The vertical lathe spindle transmission arrangement structure further comprises an upper pressure plate and a lower pressure plate, wherein the upper pressure plate is fixed on the top end face of the spindle through a screw and presses an inner ring at the top of the tapered crossed roller bearing; the lower pressing plate is fixed on the end face of the bottom of the transmission gear ring through a screw and presses the outer ring of the bottom of the tapered crossed roller bearing.
The vertical lathe spindle transmission arrangement structure further comprises a first connecting rod, a second connecting rod, a shaft, a coupler and an encoder, wherein the first connecting rod is fixed on the end face of the transmission gear ring through a screw, the second connecting rod is fixed on the end face of the spindle through a screw, one end of the shaft is fixed on the first connecting rod through a screw, the other end of the shaft is connected with the coupler, the coupler is connected with the encoder, and the encoder is fixedly arranged on the fixing plate; the fixed plate is fixedly arranged on the second connecting rod. When the workbench rotates, the first connecting rod drives the coupler to synchronously rotate, the encoder is static relative to the lathe bed, and the working rotating speed of the workbench can be fed back in real time.
The two ends of the first connecting rod are arranged at the groove formed at the inner edge of the transmission gear ring.
The vertical lathe spindle transmission arrangement structure further comprises a lathe bed cover plate, the lathe bed cover plate is fixedly installed on the lathe bed, a belt transmission cavity is formed between the lathe bed cover plate and the lathe bed, the reduction gearbox installation groove is formed in the belt transmission cavity, and the motor shaft, the input shaft of the reduction gearbox and the output shaft of the reduction gearbox are located in the belt transmission cavity.
The motor mounting plate is fixedly arranged on the lathe bed cover plate.
The outside of motor mounting panel be provided with and adjust threaded adjustment hole, adjusting bolt passes and adjusts fast and adjust threaded adjustment hole threaded connection to the position of relative regulation motor mounting panel.
The invention can achieve the following beneficial effects: 1. according to the invention, the motor shaft is reversely mounted, and the mounting space for mounting the transmission mechanism and the reduction gearbox is formed on the lathe bed, so that the mounting space for mounting parts of the vertical lathe is greatly reduced, the structure is relatively compact, and the transmission efficiency is greatly improved. 2. The invention adopts a tapered crossed roller bearing to replace the traditional 2 bearing structures, thereby greatly simplifying the structure. 3. The turntable of the main shaft is simpler in design, the assembly height can be effectively reduced, the height of the integral gravity center is further reduced, and the weight of the main shaft structure of the turntable is reduced, so that the main shaft has high anti-tilting torque performance.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1-3, the invention comprises a motor 2, a reduction gearbox 3, a main shaft 5 and a transmission gear ring 6, wherein the motor 2 is installed through a motor installation plate, a motor shaft 21 of the motor 2 faces downwards, a reduction gearbox installation groove is formed on a lathe bed 1, an input shaft 31 and an output shaft 32 of the reduction gearbox 3 face upwards and are opposite to the motor shaft 21, and the input shaft 31 and the motor shaft 21 of the reduction gearbox 3 are in transmission connection through a belt pulley and a belt 4; the main shaft 5 is supported and installed in the transmission gear ring 6 through a bearing, a gear is sleeved on an output shaft 32 of the reduction gearbox 3, and the outer periphery of the transmission gear ring 6 is meshed with the gear. A workbench 8 is arranged on the top end face of the transmission gear ring 6, and the workbench 8 is fixed on the end face of the transmission gear ring 6 through screw centering. The upper pressure plate 9 is fixed on the top end surface of the main shaft 5 through a screw and presses an inner ring at the top of the tapered crossed roller bearing 7; the lower pressing plate 10 is fixed on the end face of the bottom of the transmission gear ring 6 through a screw and presses the outer ring of the bottom of the conical crossed roller bearing 7.
Preferably, the bearing is a tapered cross roller bearing 7 as an embodiment.
The embodiment also comprises a first connecting rod 11, a second connecting rod 12, a shaft 14, a coupler 17 and an encoder 15, wherein the first connecting rod 11 is fixed on the end surface of the transmission gear ring 6 through a screw, the second connecting rod 12 is fixed on the end surface of the main shaft 5 through a screw, one end of the shaft 14 is fixed on the first connecting rod 11 through a screw, the other end of the shaft 14 is connected with the coupler 17, the coupler 17 is connected with the encoder 15, and the encoder 15 is fixedly arranged on a fixing plate 16; the fixed plate 16 is fixedly mounted to the second link 12. When the workbench rotates, the first connecting rod drives the coupler to synchronously rotate, the encoder is static relative to the lathe bed, and the working rotating speed of the workbench can be fed back in real time. Both ends of the first link 11 are disposed at a groove formed at an inner edge of the ring gear 6.
The motor shaft and the input shaft and the output shaft of the reduction gearbox are located in the belt transmission cavity. The motor mounting plate is fixedly arranged on the lathe bed cover plate.
Preferably, the motor mounting plate is provided with an adjusting screw hole at the outer side, and the adjusting bolt passes through the adjusting block and is in threaded connection with the adjusting screw hole, so as to adjust the position of the motor mounting plate relatively.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a vertical lathe spindle drive arrangement structure, includes motor (2), reducing gear box (3) and main shaft (5), its characterized in that: the vertical lathe spindle transmission arrangement structure further comprises a transmission gear ring (6), the motor (2) is installed through a motor installation plate, a motor shaft (21) of the motor (2) faces downwards, a reduction gearbox installation groove is formed in the lathe bed (1), an input shaft (31) and an output shaft (32) of the reduction gearbox (3) face upwards and are opposite to the motor shaft (21), and the input shaft (31) of the reduction gearbox (3) is in transmission connection with the motor shaft (21) through a belt pulley and a belt (4);
the main shaft (5) is supported and installed in the transmission gear ring (6) through a bearing, a gear is sleeved on an output shaft (32) of the reduction gearbox (3), and the peripheral part of the transmission gear ring (6) is meshed with the gear.
2. The vertical lathe spindle drive arrangement of claim 1, wherein: the top end face of the transmission gear ring (6) is provided with a workbench (8), and the workbench (8) is fixed on the end face of the transmission gear ring (6) through screw centering.
3. The vertical lathe spindle drive arrangement of claim 2, wherein: the bearing is a tapered crossed roller bearing (7).
4. The vertical lathe spindle drive arrangement of claim 3, wherein: the vertical lathe spindle transmission arrangement structure further comprises an upper pressure plate (9) and a lower pressure plate (10), wherein the upper pressure plate (9) is fixed on the top end face of the spindle (5) through a screw and presses an inner ring at the top of the conical crossed roller bearing (7); the lower pressing plate (10) is fixed on the end face of the bottom of the transmission gear ring (6) through screws and presses the outer ring of the bottom of the conical crossed roller bearing (7).
5. The vertical lathe spindle drive arrangement of claim 4, wherein: the vertical lathe spindle transmission arrangement structure further comprises a first connecting rod (11), a second connecting rod (12), a shaft (14), a coupler (17) and an encoder (15), wherein the first connecting rod (11) is fixed on the end face of the transmission gear ring (6) through a screw, the second connecting rod (12) is fixed on the end face of the spindle (5) through a screw, one end of the shaft (14) is fixed on the first connecting rod (11), the other end of the shaft (14) is connected with the coupler (17), the coupler (17) is connected with the encoder (15), and the encoder (15) is fixedly arranged on the fixing plate (16); the fixing plate (16) is fixedly arranged on the second connecting rod (12).
6. The vertical lathe spindle drive arrangement of claim 5, wherein: the two ends of the first connecting rod (11) are arranged at the groove formed at the inner edge of the transmission gear ring (6).
7. The vertical lathe spindle drive arrangement of claim 6, wherein: the vertical lathe spindle transmission arrangement structure further comprises a lathe bed cover plate (13), the lathe bed cover plate (13) is fixedly installed on the lathe bed (1), a belt transmission cavity is formed between the lathe bed cover plate (13) and the lathe bed (1), the reduction gearbox installation groove is arranged in the belt transmission cavity, and the motor shaft and the input shaft and the output shaft of the reduction gearbox are located in the belt transmission cavity.
8. The vertical lathe spindle drive arrangement of claim 7, wherein: the motor mounting plate is fixedly arranged on the lathe bed cover plate.
9. The vertical lathe spindle drive arrangement of claim 8, wherein: the outside of motor mounting panel be provided with and adjust threaded adjustment hole, adjusting bolt passes and adjusts fast and adjust threaded adjustment hole threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011006337.5A CN112139844A (en) | 2020-09-23 | 2020-09-23 | Vertical lathe spindle transmission arrangement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011006337.5A CN112139844A (en) | 2020-09-23 | 2020-09-23 | Vertical lathe spindle transmission arrangement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112139844A true CN112139844A (en) | 2020-12-29 |
Family
ID=73897630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011006337.5A Pending CN112139844A (en) | 2020-09-23 | 2020-09-23 | Vertical lathe spindle transmission arrangement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112139844A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11289713A (en) * | 1998-03-31 | 1999-10-19 | Ntn Corp | Static pressure pneumatic bearing spindle device |
| CN102179701A (en) * | 2011-04-29 | 2011-09-14 | 齐重数控装备股份有限公司 | Work table of high-speed numerical-control vertical lathe |
| CN202137627U (en) * | 2011-06-24 | 2012-02-08 | 浙江日发数码精密机械股份有限公司 | Electrical main shaft speed reduction device for operation turntable of machine tool |
| CN102407462A (en) * | 2011-12-16 | 2012-04-11 | 芜湖恒升重型机床股份有限公司 | A Speed Feedback Mechanism of Vertical Lathe Workbench |
| CN202701404U (en) * | 2012-07-27 | 2013-01-30 | 福建成功机床有限公司 | Novel spindle structure of vertical lathe |
| TW201726293A (en) * | 2015-12-02 | 2017-08-01 | Thk Co Ltd | Rotary table device |
-
2020
- 2020-09-23 CN CN202011006337.5A patent/CN112139844A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11289713A (en) * | 1998-03-31 | 1999-10-19 | Ntn Corp | Static pressure pneumatic bearing spindle device |
| CN102179701A (en) * | 2011-04-29 | 2011-09-14 | 齐重数控装备股份有限公司 | Work table of high-speed numerical-control vertical lathe |
| CN202137627U (en) * | 2011-06-24 | 2012-02-08 | 浙江日发数码精密机械股份有限公司 | Electrical main shaft speed reduction device for operation turntable of machine tool |
| CN102407462A (en) * | 2011-12-16 | 2012-04-11 | 芜湖恒升重型机床股份有限公司 | A Speed Feedback Mechanism of Vertical Lathe Workbench |
| CN202701404U (en) * | 2012-07-27 | 2013-01-30 | 福建成功机床有限公司 | Novel spindle structure of vertical lathe |
| TW201726293A (en) * | 2015-12-02 | 2017-08-01 | Thk Co Ltd | Rotary table device |
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Application publication date: 20201229 |
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| RJ01 | Rejection of invention patent application after publication |