CN114310364B - High-speed servo exchange workbench with external precise adjustment and internal positioning - Google Patents
High-speed servo exchange workbench with external precise adjustment and internal positioning Download PDFInfo
- Publication number
- CN114310364B CN114310364B CN202210125642.9A CN202210125642A CN114310364B CN 114310364 B CN114310364 B CN 114310364B CN 202210125642 A CN202210125642 A CN 202210125642A CN 114310364 B CN114310364 B CN 114310364B
- Authority
- CN
- China
- Prior art keywords
- adjusting screw
- positioning
- positioning adjusting
- workbench
- worm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Machine Tool Units (AREA)
Abstract
The invention relates to a high-speed servo exchange workbench with external precise adjustment and internal positioning, which comprises a servo motor, a worm and a worm wheel, wherein one end of the worm is connected with the servo motor, the other end of the worm is connected with the worm wheel in a manner of meshing with each other through teeth, the worm wheel is rotated by the servo motor through the worm, the worm wheel is synchronously rotated with a rotary table workbench through a transmission structure, the worm wheel is connected with an angle limiting block, the rotary table workbench controls a servo driver through a PLC program to drive the servo motor to rapidly rotate by a preset angle of more than 95 percent in a high-speed position ring mode, then the servo driver is switched from the high-speed position ring mode to a low-speed high-torque moment ring mode through the PLC program to decelerate and buffer the servo motor to rotate, the angle limiting block is slowly leaned to a fixed positioning adjusting screw rod to complete the rotation of the rest 5 percent of the workbench, and the strong holding moment of the moment ring mode can ensure that the positioning adjusting screw rod is tightly abutted to the angle limiting block, and completing the rotation and positioning of the turntable workbench.
Description
Technical Field
The invention relates to a switching workbench, in particular to a high-speed servo switching workbench with external precise adjustment and internal positioning and a working method thereof.
Background
In the field of machining, with the increasing demand of users for efficient machining, a single-station workbench adopted by a traditional machining center is gradually replaced by a double-station workbench and a multi-station workbench, so that the workpiece loading and unloading time is saved, the machining efficiency is improved, in the traditional single-station equipment, after one machining period, the equipment stops waiting for an operator to replace a workpiece, and then the equipment can continue to machine, and because a double-station exchange workbench can process and wait for loading and unloading the workpiece at the same time, the continuous work of the equipment cannot be influenced when the workpiece is replaced in two machining periods, one person can operate multiple pieces of equipment, the labor is saved, in addition, in an unmanned automatic production line, the workpiece is loaded and unloaded by a robot, and the double-station exchange workbench is the best choice.
In the prior art, a worm gear or a gear rack is used for transmission and positioning, but when the transmission part is used for a long time, gaps are generated, so that the angular positioning is inaccurate.
Disclosure of Invention
The invention designs a high-speed servo exchange workbench with external precise adjustment and internal positioning, which solves the technical problems that: (1) in the prior art, the angle is positioned by a worm gear or a gear rack, and the angle is not accurately positioned due to the fact that a gap is generated in a transmission part after a long time. (2) In the prior art, a worm gear pair belongs to sliding contact, and the tooth surface friction loss is large when power is transmitted, so that frequent maintenance is required.
In order to solve the technical problems, the invention adopts the following scheme:
the utility model provides a high-speed servo change table with inside location of outside precision adjustment, includes servo motor (11), worm (12), worm wheel (2) and, worm (12) one end is connected with servo motor (11), and worm (12) other end is connected with worm wheel (2) through the mode of tooth intermeshing, and servo motor (11) make worm wheel (2) rotatory through worm (12), worm wheel (2) through transmission structure with revolving stage workstation (7) synchronous revolution, its characterized in that: the worm wheel (2) is directly or indirectly connected with the angle limiting block (31), the rotary table workbench controls the servo driver to drive the servo motor to rapidly rotate to achieve a preset angle of more than 95% through a PLC program, then the servo driver is switched from a high-speed position ring mode to a low-speed high-torque moment ring mode through the PLC program to reduce the speed and buffer to drive the servo motor to rotate, the angle limiting block is slowly leaned against the fixed positioning adjusting screw to achieve that less than 5% of the workbench rotates, and the strong holding moment of the moment ring mode can enable the positioning adjusting screw to be tightly leaned against the angle limiting block to achieve rotation and positioning of the rotary table workbench.
Preferably, the worm gear mechanism further comprises a shell (1), wherein the worm (12) and the worm wheel (2) are positioned, one end of the positioning adjusting screw rod is positioned in the shell (1), one end of the positioning adjusting screw rod is positioned outside the shell (1), and the position of the positioning adjusting screw rod in the shell (1) can be adjusted through the outer part of the shell.
Preferably, the positioning adjusting screw comprises a first positioning adjusting screw (32) and a second positioning adjusting screw (33), the first positioning adjusting screw (32) and the second positioning adjusting screw (33) are arranged in parallel, the worm wheel (2) is positioned between the first positioning adjusting screw and the second positioning adjusting screw, any one of the first positioning adjusting screw and the second positioning adjusting screw is used for 0-degree positioning of the rotary table (7), and the other one of the first positioning adjusting screw and the second positioning adjusting screw is used for 180-degree positioning of the rotary table (7); alternatively, either one is used for 0 ° positioning of the turntable table (7), and the other is used for 90 ° positioning of the turntable table (7).
Preferably, two pressure sensors are arranged at the contact part between the positioning adjusting screw rod and the angle limiting block (31), and the pressure value output by the pressure sensors can not only indicate whether the rotary table workbench (7) is moved in place, but also be used as a counter for exchanging workpieces. When the positioning adjusting screw rod is in contact with the angle limiting block (31) to form a linear shape, the two pressure sensors are triggered simultaneously to indicate that the positioning adjusting screw rod is in good contact with the angle limiting block (31), otherwise, the positioning adjusting screw rod is not in contact with the angle limiting block (31) to form the linear shape, and the positioning adjusting screw rod needs to be adjusted.
Preferably, the transmission structure comprises a bearing (4), a rotating main shaft (5) and a bearing inner ring pressing ring (3), the bearing inner ring pressing ring (3) fixes the inner ring of the bearing (4) on the rotating main shaft (5), an angle limiting block (31) is fixed on the bearing inner ring pressing ring (3), a worm wheel (2) is sleeved at the lower end of the rotating main shaft (5), and the upper end of the rotating main shaft (5) is fixed with the turntable workbench (7); the worm (12) is driven to rotate by the servo motor (11), the worm (12) is meshed with the worm wheel (2) to rotate, the worm wheel (2) drives the rotating main shaft (5) to rotate, and the rotating main shaft (5) drives the bearing inner ring pressure ring (3), the angle limiting block (31) and the rotary table workbench (7) to rotate.
Preferably, the bearing device further comprises a bearing outer ring pressing ring (6), and the bearing outer ring pressing ring (6) fixes the outer ring of the bearing (4) on the shell (1) and keeps the outer ring still.
Preferably, the rotary oil way distributor further comprises a rotary oil way distributor shaft center (9), one end of the rotary oil way distributor shaft center (9) is connected with an oil way input end distribution block at the bottom of the shell (1), the rotary oil way distributor shaft center (9) is wrapped by a rotary oil way distributor cover (8), a plurality of oil inlet ports and a plurality of oil outlet ports are arranged on the rotary oil way distributor cover (8), the rotary oil way distributor cover (8) rotates around the rotary oil way distributor shaft center (9) and an oil way exists between the rotary oil way distributor shaft center and the rotary oil way distributor cover, and an oil way output end interface (8) arranged at the top end of the rotary oil way distributor cover penetrates through the rotary table workbench (7) and is connected with the rotary spindle (5).
The rotary oil way distributor is used for a three-in three-out oil pressure input end interface which is static and a three-in three-out oil pressure output interface which can rotate along with the workbench, so that the faults that a plurality of oil pipes are directly arranged on hydraulic clamps on two sides of the exchange workbench through the workbench, and the oil pipes are easy to wind, wear, crack, break and the like along with the frequent back and forth rotation of the exchange workbench are avoided.
Preferably, the worm (12), the worm wheel (2), the positioning adjusting screw and the angle limiting block (31) are all soaked in gear oil in the closed shell (1), so that the device is permanently maintenance-free.
Preferably, one end of the worm (12) is connected with the motor bearing seat (13) through a main end bearing (15), and the other end of the worm (12) is connected with the tail end seat (18) through a tail end bearing (16).
A working method of a high-speed servo exchange workbench with external fine adjustment and internal positioning comprises the following steps:
and 2, the PLC switches the servo controller from a position ring mode to a torque ring mode when the rotation angle is reached, decelerates and buffers to enable the positioning adjusting screw rod to be slightly close to the angle limiting block (31) so as to avoid impact, keeps the torque positioning adjusting screw rod and the angle limiting block (31) close to each other by the servo motor to keep the angle unchanged, and completes rotation and positioning of the rotary table workbench (7).
A working method of a high-speed servo exchange workbench with external fine adjustment and internal positioning comprises the following steps:
This high-speed servo change table with inside location of outside precision adjustment compares with traditional change table, has following beneficial effect:
(1) the invention completes the rotation of the turntable by more than 95% of the angle at the fastest speed in a position ring mode, then converts the rotation into a torque ring mode, enables the adjustable screw to lean against the inner positioning block at a slow speed, and simultaneously enables the screw and the positioning block to be tightly and uniformly attached by strong holding torque in the torque ring mode so as to complete the rotation and the positioning of the turntable.
(2) The invention can avoid the positioning precision from being influenced by the external environment through the internal positioning device which can be precisely adjusted by the external screw rod.
(3) The transmission part and the positioning part of the turntable are both soaked in gear oil in the closed shell, and oil is not required to be added for lubrication at regular intervals, so that maintenance is avoided.
(4) The invention adopts the pressure sensor to judge the positioning effect, not only can indicate whether the rotary table is moved in place, but also can be used for closing the control signal of the servo motor, and even can be used as a counter for exchanging workpieces.
Drawings
FIG. 1: the invention has the advantages that the invention has the high-speed servo exchange workbench explosion diagram with external precision adjustment and internal positioning;
FIG. 2 is a schematic diagram: the invention has a high-speed servo exchange workbench perspective view with external precision adjustment and internal positioning;
FIG. 3: the shell of the invention is internally and schematically illustrated;
FIG. 4: the invention discloses a position schematic diagram of an angle limiting block;
FIG. 5 is a schematic view of: the invention has the advantages that the cross section of the high-speed servo exchange workbench with external precision adjustment and internal positioning is provided;
FIG. 6: the worm and the worm wheel are connected schematically;
FIG. 7 is a schematic view of: the exploded view of fig. 6;
FIG. 8: the contact schematic diagram of the angle limiting block and the first positioning adjusting screw rod is shown;
FIG. 9: the invention discloses a schematic diagram of a positioning adjusting screw rod for installing a driving motor.
Description of reference numerals:
1-a housing; 11-a servo motor; 12-a worm; 13-motor bearing seat; 14-main end seal ring; 15-main end bearing; 16-tail end bearing; 17-tail end sealing ring; 18-tail end seat;
2-a worm gear; 3, bearing inner ring compression ring; 31-an angle limiting block; 311 — a first pressure sensor; 312 — a second pressure sensor; 32-a first positioning adjusting screw; 321-a drive motor; 33-a second positioning adjusting screw; 331 — a second drive motor; 4, a bearing; 5, rotating the main shaft; 6, bearing outer ring compression ring; 7, a turntable workbench; 8-rotating oil way distributor cover; 9-rotating oil way distributor axle center.
Detailed Description
The present invention is further described below with reference to fig. 1 to 7:
a high-speed servo exchange workbench with external precise adjustment and internal positioning comprises a servo motor 11, a worm 12, a worm wheel 2 and a worm gear 12, wherein one end of the worm 12 is connected with the servo motor 11, the other end of the worm 12 is connected with the worm wheel 2 in a mode of meshing with teeth, the worm wheel 2 is rotated by the servo motor 11 through the worm 12, the worm wheel 2 is synchronously rotated with a turntable workbench 7 through a transmission structure, the worm wheel 2 is directly or indirectly connected with an angle limiting block 31, the turntable workbench controls a servo driver through a PLC program to drive the servo motor to rapidly rotate for more than 95% of a preset angle in a high-speed position ring mode, then the servo driver is switched from the high-speed position ring mode to a low-speed high-torque moment ring mode through the PLC program to decelerate and buffer the servo motor to rotate, so that the angle limiting block is slowly leaned on a fixed positioning adjusting screw rod to complete the rotation of the workbench for less than 5% of the rest, the strong holding torque of the torque ring mode can ensure that the positioning adjusting screw rod is tightly attached to the angle limiting block, so that the rotation and the positioning of the rotary table working table are completed.
The worm gear positioning device further comprises a shell 1, wherein the worm 12 and the worm wheel 2 are located in the shell, one end of the positioning adjusting screw rod is located in the shell 1, one end of the positioning adjusting screw rod is located outside the shell 1, and the position of the positioning adjusting screw rod in the shell 1 is adjustable.
The positioning adjusting screw comprises a first positioning adjusting screw 32 and a second positioning adjusting screw 33, the first positioning adjusting screw 32 and the second positioning adjusting screw 33 are arranged in parallel, the worm wheel 2 is positioned between the first positioning adjusting screw and the second positioning adjusting screw, any one of the first positioning adjusting screw and the second positioning adjusting screw is used for 0-degree positioning of the rotary table, and the other one of the first positioning adjusting screw and the second positioning adjusting screw is used for 180-degree positioning of the rotary table. Alternatively, either one is used for the 0 ° positioning of the turntable table and the other is used for the 90 ° positioning of the turntable table
The contact part between the positioning adjusting screw and the angle limiting block 31 is provided with a pressure sensor, and the pressure value output by the pressure sensor can not only indicate whether the rotary table workbench 7 is moved in place, but also be used for exchanging a counter of a workpiece. When the positioning adjusting screw rod contacts with the angle limiting block 31 to form a line shape, the two pressure sensors are triggered at the same time to indicate that the positioning adjusting screw rod contacts well with the angle limiting block 31, otherwise, the positioning adjusting screw rod does not contact with the angle limiting block 31 to form the line shape, and the positioning adjusting screw rod needs to be adjusted.
The transmission structure comprises a bearing 4, a rotating main shaft 5 and a bearing inner ring pressing ring 3, wherein the bearing inner ring pressing ring 3 fixes an inner ring of the bearing 4 on the rotating main shaft 5, an angle limiting block 31 is fixed on the bearing inner ring pressing ring 3, a worm wheel 2 is sleeved at the lower end of the rotating main shaft 5, and the upper end of the rotating main shaft 5 is fixed with a turntable workbench 7; the worm 12 is driven to rotate by the servo motor 11, the worm 12 is meshed with the worm wheel 2 to rotate, the worm wheel 2 drives the rotating main shaft 5 to rotate, and the rotating main shaft 5 drives the bearing inner ring pressing ring 3, the angle limiting block 31 and the rotary table workbench 7 to rotate.
The bearing device further comprises a bearing outer ring pressing ring 6, and the bearing outer ring pressing ring 6 fixes the outer ring of the bearing 4 on the shell 1 to be still.
Still include rotatory oil circuit distributor axle 9, rotatory oil circuit distributor axle 9 one end is located the oil circuit input end distribution piece of casing 1 bottom and links to each other, and rotatory oil circuit distributor axle 9 is wrapped up by rotatory oil circuit distributor cover 8, is equipped with a plurality of oil inlet ports and a plurality of oil output port on the rotatory oil circuit distributor cover 8, and rotatory oil circuit distributor cover 8 is rotatory and have the oil circuit between the two around rotatory oil circuit distributor axle 9, and rotatory oil circuit distributor cover top has oil circuit output end interface 8 to run through revolving stage workstation 7 and rotatory main shaft and links to each other 5. The rotary oil way distributor is used for the static three-in three-out oil pressure input end interface and the three-in three-out oil pressure output interface which can rotate along with the workbench, so that the faults that a plurality of oil pipes are directly arranged on hydraulic clamps on two sides of the exchange workbench through the workbench, and the oil pipes are easy to wind, wear, crack, break and the like along with the frequent back and forth rotation of the exchange workbench are avoided.
The worm 12, the worm wheel 2, the positioning adjusting screw and the angle limiting block 31 are all soaked in gear oil in the closed shell 1, and the device is maintenance-free permanently.
One end of the worm 12 is connected with a motor bearing seat 13 through a main end bearing 15, and the other end of the worm 12 is connected with a tail end seat 18 through a tail end bearing 16.
The invention relates to a first working method of a high-speed servo exchange workbench with external precise adjustment and internal positioning, which comprises the following steps:
and 2, when the PLC reaches a rotation angle, the PLC switches the servo controller from a position ring mode to a torque ring mode, decelerates and buffers to enable the positioning adjusting screw rod to be slightly close to the angle limiting block 31, impact is avoided, the servo motor keeps the torque positioning adjusting screw rod close to the angle limiting block 31 to keep the angle unchanged, and rotation and positioning of the rotary table workbench 7 are completed. The second working method of the high-speed servo exchange workbench with external precise adjustment and internal positioning comprises the following steps:
As shown in fig. 8, when the first positioning adjustment screw 32 contacts the angle stopper 31 to form a "one" shape, both the first pressure sensor 311 and the second pressure sensor 312 are triggered, which indicates that the contact position between the first positioning adjustment screw 32 and the angle stopper 31 is the best. Conversely, if only one pressure sensor is activated or the pressure values output by the two pressure sensors are different, it indicates that the contact position between the first positioning adjustment screw 32 and the angle limiting block 31 is not good, and the position of the first positioning adjustment screw 32 needs to be adjusted.
Because the working mode of the high-speed servo exchange workbench is changed, the rotation angle can be changed from 0 degrees to 180 degrees, and also can be changed from 0 degrees to 90 degrees, even other degrees. Therefore, the number of the arranged positioning adjusting screws can be more, the part of each positioning adjusting screw, which is positioned outside the shell, is respectively connected with a driving motor, and the driving motor enables the positioning adjusting screws to rotate so as to adjust the positions of the positioning adjusting screws. When the workbench needs to rotate to 180 degrees or other degrees, the corresponding positioning adjusting screw rotates to the corresponding position, and the other positioning adjusting screws move to the outside of the shell under the action of the driving motor of the workbench, so that the angle limiting block 31 is prevented from being blocked. Therefore, the PLC can lead the adjusting speed to be faster by controlling the positioning adjusting screw rod through the driving motor, thereby improving the working efficiency of the workbench and facilitating the random switching of the working modes. As shown in fig. 9, the first positioning adjustment screw 32 is provided with a first driving motor 321, the second positioning adjustment screw 33 is provided with a second driving motor 331, the two driving motors can work independently, and the PLC can control the two driving motors in a programming manner.
There are many transmission structures between the driving motor and the positioning adjusting screw, and they are not illustrated here. The simplest is as follows: the rotating shaft of the driving motor is directly connected with the positioning adjusting screw rod, the bottom of the driving motor is provided with a sliding rail, and the driving motor can move in a small distance when the positioning adjusting screw rod moves outwards under the action of the threaded hole when rotating.
The invention is described above with reference to the accompanying drawings, it is obvious that the implementation of the invention is not limited in the above manner, and it is within the scope of the invention to adopt various modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (11)
1. The utility model provides a high-speed servo change table with inside location of outside precision adjustment, includes servo motor (11), worm (12), worm wheel (2) and revolving stage workstation (7), and worm (12) one end is connected with servo motor (11), and worm (12) output is connected with worm wheel (2) through tooth intermeshing's mode, and servo motor (11) make worm wheel (2) rotatory through worm (12), worm wheel (2) through transmission structure with revolving stage workstation (7) synchronous revolution, its characterized in that: the worm wheel (2) is directly or indirectly connected with the angle limiting block (31), the rotary table workbench controls the servo driver to drive the servo motor to rapidly rotate to achieve a preset angle of more than 95% through a PLC program, then the servo driver is switched from a high-speed position ring mode to a low-speed high-torque moment ring mode through the PLC program to reduce the speed and buffer to drive the servo motor to rotate, the angle limiting block is slowly leaned against the fixed positioning adjusting screw to achieve that less than 5% of the workbench rotates, and the strong holding moment of the moment ring mode can enable the positioning adjusting screw to be tightly leaned against the angle limiting block to achieve rotation and positioning of the rotary table workbench.
2. The high speed servo exchange table with external fine tuning internal positioning of claim 1, wherein: the worm gear positioning device is characterized by further comprising a shell (1), wherein the worm (12) and the worm wheel (2) are located in the shell, one end of the positioning adjusting screw rod is located in the shell (1), one end of the positioning adjusting screw rod is located outside the shell (1), and the position of the positioning adjusting screw rod in the shell (1) is adjusted through the outer portion of the shell.
3. The high speed servo swap table with external fine tuning internal positioning of claim 1, wherein: the positioning adjusting screw comprises a first positioning adjusting screw (32) and a second positioning adjusting screw (33), the first positioning adjusting screw (32) and the second positioning adjusting screw (33) are arranged in parallel, the worm gear (2) is positioned between the first positioning adjusting screw and the second positioning adjusting screw, any one of the first positioning adjusting screw and the second positioning adjusting screw is used for 0-degree positioning of the rotary table workbench (7), the other one of the first positioning adjusting screw and the second positioning adjusting screw is used for 180-degree positioning of the rotary table workbench (7), or any one of the first positioning adjusting screw and the second positioning adjusting screw is used for 0-degree positioning of the rotary table workbench (7), and the other one of the first positioning adjusting screw and the second positioning adjusting screw is used for 90-degree positioning of the rotary table workbench (7).
4. The high speed servo exchange table with external fine tuning internal positioning of claim 1, wherein: a pressure sensor is arranged at the contact part between the positioning adjusting screw rod and the angle limiting block (31), and the pressure value output by the pressure sensor not only indicates whether the rotary table workbench (7) moves in place, but also serves as a counter for exchanging workpieces; when the positioning adjusting screw rod is contacted with the angle limiting block (31) to form a straight line shape, the two pressure sensors are triggered at the same time to indicate that the positioning adjusting screw rod is well contacted with the angle limiting block (31), otherwise, the positioning adjusting screw rod is not contacted with the angle limiting block (31) to form the straight line shape, and the positioning adjusting screw rod needs to be adjusted.
5. The high speed servo exchange table with external fine tuning internal positioning of claim 1, wherein: the transmission structure comprises a bearing (4), a rotating main shaft (5) and a bearing inner ring pressing ring (3), wherein the bearing inner ring pressing ring (3) fixes the inner ring of the bearing (4) on the rotating main shaft (5), an angle limiting block (31) is fixed on the bearing inner ring pressing ring (3), a worm wheel (2) is sleeved at the lower end of the rotating main shaft (5), and the upper end of the rotating main shaft (5) is fixed with the turntable workbench (7); the worm (12) is driven to rotate by the servo motor (11), the worm (12) is meshed with the worm wheel (2) to rotate, the worm wheel (2) drives the rotating main shaft (5) to rotate, and the rotating main shaft (5) drives the bearing inner ring pressure ring (3), the angle limiting block (31) and the rotary table workbench (7) to rotate.
6. The high speed servo swap table with external fine tuning internal positioning of claim 5, wherein: the bearing device is characterized by further comprising a bearing outer ring pressing ring (6), wherein the bearing outer ring pressing ring (6) fixes the outer ring of the bearing (4) on the shell (1) and is static.
7. The high speed servo swap table with external fine tuning internal positioning of claim 5, wherein: the rotary oil way distributor is characterized by further comprising a rotary oil way distributor shaft center (9), one end of the rotary oil way distributor shaft center (9) is located at an oil way input end distribution block at the bottom of the shell (1) and connected with one another, the rotary oil way distributor shaft center (9) is wrapped by a rotary oil way distributor cover (8), a plurality of oil inlet ports and a plurality of oil outlet ports are formed in the rotary oil way distributor cover (8), the rotary oil way distributor cover (8) rotates around the rotary oil way distributor shaft center (9) and an oil way exists between the rotary oil way distributor shaft center and the rotary oil way distributor cover, and an oil way output end port is formed in the top end of the rotary oil way distributor cover (8) and penetrates through the rotary table workbench (7) to be connected with the rotary main shaft (5); the rotary oil way distributor is provided with a three-in three-out oil pressure input end interface which is stationary and a three-in three-out oil pressure output interface which can rotate along with the workbench.
8. The high-speed servo exchange table with external fine-tuning internal positioning of claim 5, wherein: the worm (12), the worm wheel (2), the positioning adjusting screw and the angle limiting block (31) are all soaked in gear oil in the closed shell (1).
9. The high-speed servo exchange table with external fine-tuning internal positioning of claim 5, wherein: one end of the worm (12) is connected with the motor bearing seat (13) through a main end bearing (15), and the other end of the worm (12) is connected with a tail end seat (18) through a tail end bearing (16).
10. A method of operating a high speed servo exchange station with externally fine tuned internal positioning as claimed in claim 1, comprising the steps of:
step 1, according to a rotary exchange request of a rotary table workbench (7) sent by a numerical control system, a PLC controls a servo controller through a program to firstly complete the rotation of more than 95 percent of the rotary table workbench (7) at the fastest speed in a position ring mode,
and 2, the PLC switches the servo controller from a position ring mode to a torque ring mode when the rotation angle is reached, decelerates and buffers to enable the positioning adjusting screw rod to be slightly close to the angle limiting block (31) so as to avoid impact, keeps the torque positioning adjusting screw rod and the angle limiting block (31) close to each other by the servo motor to keep the angle unchanged, and completes rotation and positioning of the rotary table workbench (7).
11. A method of operating a high speed servo exchange station with externally fine tuning internal positioning as claimed in claim 4, comprising the steps of: step 1, according to a rotary exchange request of a rotary table workbench (7) sent by a numerical control system, a PLC controls a servo controller through a program to firstly complete the rotation of the rotary table workbench (7) by more than 95 percent of angles at the fastest speed in a position ring mode,
step 2, the PLC switches the servo controller from a position ring mode to a torque ring mode when the PLC is about to reach a rotation angle, the speed is reduced and buffered, so that the positioning adjusting screw rod is slightly close to the angle limiting block (31) to avoid impact, and the servo motor keeps the torque positioning adjusting screw rod close to the angle limiting block (31) to keep the angle unchanged;
step 3, when the output values of the two pressure sensors between the positioning adjusting screw rod and the angle limiting block (31) are both preset pressure values, the positioning adjusting screw rod is in contact with the angle limiting block (31) to form a straight line shape; otherwise, the positioning adjusting screw rod needs to be adjusted, and finally when the output values of the two pressure sensors are both preset pressure values, the preset pressure values of the two pressure sensors are the same or different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210125642.9A CN114310364B (en) | 2022-02-10 | 2022-02-10 | High-speed servo exchange workbench with external precise adjustment and internal positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210125642.9A CN114310364B (en) | 2022-02-10 | 2022-02-10 | High-speed servo exchange workbench with external precise adjustment and internal positioning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114310364A CN114310364A (en) | 2022-04-12 |
| CN114310364B true CN114310364B (en) | 2022-07-22 |
Family
ID=81031140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210125642.9A Active CN114310364B (en) | 2022-02-10 | 2022-02-10 | High-speed servo exchange workbench with external precise adjustment and internal positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114310364B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115331727B (en) * | 2022-09-14 | 2023-11-03 | 阿米精控科技(山东)有限公司 | High-speed precise turntable with multiple serially connected movement modes |
| CN116118686A (en) * | 2022-12-23 | 2023-05-16 | 吉林大学 | Automobile brake slip rate control method based on integrated electro-hydraulic brake system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029530A (en) * | 2010-11-25 | 2011-04-27 | 天津第一机床总厂 | Large precise numerical control rotating table |
| CN103624555B (en) * | 2013-11-29 | 2016-06-15 | 南京工业大学 | Static pressure heavy-load directly drives high-precision rotary working-table |
| CN103878600B (en) * | 2014-03-26 | 2016-08-24 | 宜昌市致远新技术有限公司 | Twin worm disappears gap static pressure closed-loop workbench |
| CN104999283A (en) * | 2015-07-15 | 2015-10-28 | 烟台市三立工业有限公司 | Horizontal numerical control revolving worktable |
| GB2573273B (en) * | 2018-04-05 | 2020-09-30 | Nikken Kosakusho Europe Ltd | System And Method For Monitoring Characteristics Of A Rotary Table |
| CN211540259U (en) * | 2019-12-20 | 2020-09-22 | 苏州古田自动化科技有限公司 | Horizontal cam exchange platform is with preparing frock |
| CN211759842U (en) * | 2020-03-16 | 2020-10-27 | 泉州市井贺精密设备有限公司 | Servo multi-tooth rotary table |
| CN112475945A (en) * | 2020-11-05 | 2021-03-12 | 广州理工学院 | Precise rotary worktable |
-
2022
- 2022-02-10 CN CN202210125642.9A patent/CN114310364B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114310364A (en) | 2022-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114310364B (en) | High-speed servo exchange workbench with external precise adjustment and internal positioning | |
| CN203109692U (en) | Vertical-type numerically-controlled machine tool main shaft swinging device | |
| CN103121168A (en) | Numerical-control large-scale precise dual-drive gap removing rotating working table | |
| CN108747438A (en) | Linear drives rotary table | |
| CN112643362A (en) | Machine tool equipment for simultaneous turning of double shafts | |
| CN208961467U (en) | A kind of automation borehole chasing bar | |
| CN202356870U (en) | Numerically-controlled large-scale precision dual-drive clearance-eliminating rotary table | |
| CN115837586A (en) | Double-fork AB swing head movement structure with W shaft and double-fork AB swing head | |
| CN2820408Y (en) | Full digital control multiple work position screw conic gear six dimension processing device | |
| CN216264682U (en) | Positioning tool for CNC (computer numerical control) machined precision part | |
| CN113400114A (en) | Grinding device for high-precision shaft machining and grinding process thereof | |
| CN203317116U (en) | Zero-transmission six-axis linkage numerical-control milling head | |
| CN112828363A (en) | Base rotation mills flat-bed machine | |
| CN219837473U (en) | Multi-angle four-axis processing frock | |
| CN212311502U (en) | Material feeding unit of beveler | |
| CN201231317Y (en) | Lathe for processing prism | |
| CN111604693A (en) | Automatic processing method for reducing pipe joint | |
| CN220278277U (en) | Swing headstock structure | |
| CN110722368A (en) | Main shaft speed change mechanism of planer type milling machine | |
| CN218746379U (en) | Rotatable workpiece milling machine tool | |
| CN220560899U (en) | Adjustable transmission mechanism | |
| CN212653131U (en) | High-speed high-rigidity servo indexing turntable | |
| CN213135178U (en) | Ninety-degree vertical and horizontal dual-purpose swinging head with cam roller | |
| CN213827026U (en) | Special frock of eccentric shaft car processing | |
| CN215145398U (en) | Tapping machine adopting servo motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |