CN215657879U - High-precision dual-drive spindle control box - Google Patents
High-precision dual-drive spindle control box Download PDFInfo
- Publication number
- CN215657879U CN215657879U CN202122243939.9U CN202122243939U CN215657879U CN 215657879 U CN215657879 U CN 215657879U CN 202122243939 U CN202122243939 U CN 202122243939U CN 215657879 U CN215657879 U CN 215657879U
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- main shaft
- box
- auxiliary
- shaft
- motor
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Abstract
The utility model relates to the technical field of numerical control machines, in particular to a high-precision dual-drive spindle control box. The utility model comprises a main shaft box, a main shaft and a chuck, wherein the main shaft is arranged in the main shaft box, one end of the main shaft extends out of the main shaft and is provided with the chuck, a motor box is arranged on the rear end face of the main shaft box, two sides of the main shaft are respectively provided with an auxiliary shaft, the main shaft and the auxiliary shaft are respectively provided with a main shaft gear and an auxiliary shaft gear, the main shaft and the auxiliary shaft are mutually meshed and connected through the main shaft gear and the auxiliary shaft gear, the left auxiliary shaft and the right auxiliary shaft are respectively provided with a driving motor, the chuck is provided with a clamping jaw, and a speed reducing motor is arranged between the auxiliary shaft and the driving motor. Two motors are matched with the two auxiliary shafts to drive the main shaft to rotate simultaneously, double drives provide enough starting torque to start the main shaft to rotate, and the speed reducing motor controls the rotating speed and stops the main shaft, so that the main shaft is quickly and accurately stopped.
Description
Technical Field
The utility model relates to the technical field of numerical control machines, in particular to a high-precision dual-drive spindle control box.
Background
The headstock is an important part of the machine tool and is used for arranging the machine tool working spindle and its drive parts and corresponding additional mechanisms. The main spindle box is a complex transmission component and comprises a main spindle assembly, a reversing mechanism, a transmission mechanism, a braking device, an operating mechanism, a lubricating device and the like. The main function of the device is to support the main shaft and make the main shaft rotate, thus realizing the functions of starting, braking, speed changing, reversing and the like of the main shaft.
Large-scale weaving twines the yarn machine because the heavy and weight in service of rotating the work piece increases gradually, needs the headstock to provide great moment of torsion to drive the rotation, needs control rotation speed simultaneously, because the inertia that the weight increase brought increases makes mechanical rotation lose control, simultaneously because the work piece of rotating is heavier, main shaft and headstock bear great axial force.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-precision dual-drive spindle control box, which can output large torque, effectively control the rotating speed and reduce the axial impact of a workpiece on a spindle box.
The utility model provides a high-precision dual-drive spindle control box which adopts the following technical scheme:
the utility model provides a high accuracy dual drive main shaft control box, includes headstock, main shaft and chuck, the main shaft is installed in the headstock and one end stretches out the main shaft and installs the chuck, headstock rear end face department installs the motor case, an auxiliary shaft is installed respectively to the main shaft both sides, install main shaft gear and auxiliary shaft gear on main shaft and the auxiliary shaft respectively, the main shaft passes through main shaft gear and auxiliary shaft gear intermeshing with the auxiliary shaft and is connected, controls two install driving motor on the auxiliary shaft respectively, install the clamping jaw on the chuck, install gear motor between auxiliary shaft and the driving motor.
By adopting the technical scheme, the main shaft is driven to rotate by the two auxiliary shafts matched with the two motors, the main shaft is started to rotate by the double drives which provide enough starting torque, the rotating speed is controlled by the speed reducing motor, and the main shaft is stopped quickly and accurately.
Preferably, a speed reducer is installed between the auxiliary shaft and the speed reduction motor, and a coupling is installed on the auxiliary shaft between the speed reducer and the auxiliary shaft gear.
Preferably, the coupling is an elastic coupling.
Through adopting above-mentioned technical scheme, elastic coupling can effectively reduce the impact load that twists reverse the counter shaft and bring.
Preferably, the speed reducer is installed in the motor support, and the speed reducing motor is fixedly installed on one side of the motor support.
By adopting the technical scheme, the motor support is used as the main mounting support of the motor and the speed reducer, and the influence of the plane support on the mounting precision is overcome simply and conveniently.
Preferably, a thrust bearing is mounted on the spindle between the spindle gear and the chuck.
Preferably, the thrust bearings are tightly attached to the thrust bearing seat, one thrust bearing is respectively installed on each of two sides of the thrust bearing seat, and one side, far away from the thrust bearing seat, of each of the two thrust bearings is fixedly installed on the main shaft.
Through adopting above-mentioned technical scheme, thrust bearing is used for bearing the axial force, reduces the damage of axial force to other bearings.
Preferably, one end of the spindle, which is close to the chuck, is mounted on the spindle box through the main bearing, the other end of the spindle is mounted on the spindle box through the auxiliary bearing, and a spindle end cover is mounted on the outer side of the position, where the auxiliary bearing is mounted, of the spindle box.
Preferably, a main shaft box cover is installed at the top of the main shaft box, an installation hole cover is installed on the front end face of the main shaft box, oil hole plugs are installed on the left side face and the right side face close to the top of the main shaft box, and a motor box door is installed on the rear end face of the motor box.
Through adopting above-mentioned technical scheme, main shaft end cover, main shaft case lid, installation handhole door and oil hole stopper can form relative closed environment, do benefit to lubricated immersion fluid and reduce external pollution, can provide the window function of observing and overhauing simultaneously.
Preferably, a main shaft box base is installed at the bottom of the main shaft box, and supporting legs are installed at the bottom of the motor box.
Through adopting above-mentioned technical scheme, headstock and supporting legs play the effect of fixed stay equipment.
Preferably, the chuck is uniformly provided with a circle of clamping jaws, and the number of the clamping jaws is 3-8.
Through adopting above-mentioned technical scheme, the clamping jaw passes through bolt adjustment and screws up, reduces the work piece shake.
In summary, the utility model has the following beneficial technical effects:
1. two motors matched with the two auxiliary shafts drive the main shaft to rotate simultaneously, double drives provide enough starting torque to start the main shaft to rotate, and the speed reducing motor controls the rotating speed and stops the main shaft, so that the main shaft is quickly and accurately stopped.
2. The elastic coupling can effectively reduce impact load caused by twisting the shaft.
3. The motor support is used as a main mounting support for the motor and the speed reducer, and the influence of the plane support on the mounting precision is overcome simply and conveniently.
4. The thrust bearing is used for bearing axial force and reducing damage of the axial force to other bearings.
5. The main shaft end cover, the main shaft box cover, the mounting hole cover and the oil hole plug can form a relatively closed environment, lubrication immersion liquid is facilitated, external pollution is reduced, meanwhile, a window function of observation and maintenance can be provided, the main shaft box seat and the supporting legs play a role in fixing and supporting equipment, the clamping jaws are adjusted and tightened through the bolts, and workpiece shaking is reduced.
Drawings
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a schematic view of FIG. 1 from another perspective;
FIG. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is a schematic view of the internal components of the present invention.
Description of reference numerals:
1. the main shaft box comprises a main shaft box body, 11, a main shaft box cover, 12, a main shaft box body, 13, a mounting hole cover, 14, an oil hole plug, 15, a motor box body, 151, supporting legs, 16, a motor box door, 2, a main shaft, 21, a main shaft gear, 22, a main bearing, 23, a secondary bearing, 24, a thrust bearing, 241, a thrust bearing seat, 25, a main shaft end cover, 26, a secondary shaft, 261, a coupler, 262, a secondary shaft gear, 27, a driving motor, 28, a speed reducing motor, 29, a speed reducer, 291, a motor support, 3, a chuck, 31 and clamping jaws.
Detailed Description
The present invention is described in further detail below with reference to figures 1-5.
Example 1:
the embodiment of the utility model discloses a high-precision dual-drive spindle control box which comprises a spindle box 1, a spindle 2 and a chuck 3, wherein the spindle 2 is installed in the spindle box 1, one end of the spindle 2 extends out of the spindle and is provided with the chuck 3, a motor box 15 is installed at the rear end face of the spindle box 1, two sides of the spindle 2 are respectively provided with an auxiliary shaft 26, the spindle 2 and the auxiliary shaft 26 are respectively provided with a spindle gear 21 and an auxiliary shaft gear 262, the spindle 2 and the auxiliary shaft 26 are mutually meshed and connected through the spindle gear 21 and the auxiliary shaft gear 262, a driving motor 27 is respectively installed on a left auxiliary shaft 26 and a right auxiliary shaft 26, a clamping jaw 31 is installed on the chuck 3, and a speed reducing motor 28 is installed between the auxiliary shaft 26 and the driving motor 27.
Referring to fig. 4 to 5, a reducer 29 is installed between the counter shaft 26 and the reduction motor 28, and a coupling 261 is installed on the counter shaft 26 between the reducer 29 and a counter gear 262.
A thrust bearing 24 is mounted on the spindle 2 between the spindle gear 21 and the chuck 3.
One end of the main shaft 2 close to the chuck 3 is arranged on the main shaft box 1 through a main bearing 22, the other end of the main shaft is arranged on the main shaft box 1 through an auxiliary bearing 23, and a main shaft end cover 25 is arranged on the outer side of the position, where the auxiliary bearing 23 is arranged, of the main shaft box 1.
The embodiment of example 1 is:
connecting one end of a workpiece with the chuck 3, starting the driving motor 27, driving the auxiliary shaft 26 to rotate by the driving motor 27, driving the main shaft gear 21 on the main shaft 2 to rotate by the auxiliary shaft gear 262 on the auxiliary shaft 26, further driving the main shaft 2 to rotate, driving the chuck 3 to rotate by the main shaft 2, cutting off the power supply of the driving motor 27 when the machine needs to be stopped, and starting the speed reducing motor 28 to stop the rotation of the auxiliary shaft 26 and the main shaft 2.
Example 2:
on the basis of example 1, the following are added:
the coupling 261 is an elastic coupling, specifically an elastic diaphragm coupling.
The speed reducer 29 is installed in the motor support 291, and the speed reducing motor 28 is fixedly installed at one side of the motor support 291.
The thrust bearings 24 are tightly attached to the thrust bearing seat 241, one thrust bearing 24 is respectively installed on each of two sides of the thrust bearing seat 241, and one side of each of the two thrust bearings 24, which is far away from the thrust bearing seat 241, is fixedly installed on the main shaft 2.
The embodiment of example 2 is:
the following are added on the basis of the embodiment of the example 1:
the coupling 261 reduces vibration and allows for some damping deflection at start-up and deceleration.
The two thrust bearings 24 receive axial loads in two directions, respectively.
Example 3:
on the basis of the embodiment 2, the following steps are added:
referring to fig. 1-3, a main spindle box cover 11 is mounted on the top of the main spindle box 1, a mounting hole cover 13 is mounted on the front end surface, oil hole plugs 14 are mounted on the left side surface and the right side surface close to the top, and a motor box door 16 is mounted on the rear end surface of the motor box 15.
The bottom of the main spindle box 1 is provided with a main spindle box base 12, and the bottom of the motor box 15 is provided with supporting legs 151.
The embodiment of example 3 is:
the method is characterized by adding the following steps to the implementation mode of the example 2:
when the auxiliary shaft 6 is installed, the installation and observation positioning are performed by opening the installation hole cover 13.
The main shaft box seat 12 and the supporting legs 151 are fixed on the head of the machine tool, and lubricating oil is added into the main shaft box 1 and sealed.
Example 4:
on the basis of example 3, the following are added:
the chuck 3 is evenly provided with a circle of clamping jaws 31, and the number of the clamping jaws 31 is 3-8.
The embodiment of example 4 is:
the same as in example 3.
The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (10)
1. The utility model provides a high accuracy dual drive main shaft control box, includes headstock (1), main shaft (2) and chuck (3), its characterized in that: the main shaft (2) is arranged in the main shaft box (1), one end of the main shaft extends out of the main shaft and is provided with a chuck (3), a motor box (15) is arranged on the rear end face of the main shaft box (1), two sides of the main shaft (2) are respectively provided with an auxiliary shaft (26), the main shaft (2) and the auxiliary shaft (26) are respectively provided with a main shaft gear (21) and an auxiliary shaft gear (262), the main shaft (2) and the auxiliary shaft (26) are mutually meshed and connected through the main shaft gear (21) and the auxiliary shaft gear (262), the left auxiliary shaft (26) and the right auxiliary shaft (26) are respectively provided with a driving motor (27), and the chuck (3) is provided with a clamping jaw (31);
a speed reducing motor (28) is arranged between the auxiliary shaft (26) and the driving motor (27).
2. The high-precision dual-drive spindle control box according to claim 1 is characterized in that: a speed reducer (29) is installed between the auxiliary shaft (26) and the speed reducing motor (28), and a coupler (261) is installed on the auxiliary shaft (26) between the speed reducer (29) and the auxiliary shaft gear (262).
3. The high-precision dual-drive spindle control box according to claim 2 is characterized in that: the coupling (261) is an elastic coupling.
4. The high-precision dual-drive spindle control box according to claim 2 is characterized in that: the speed reducer (29) is installed in the motor support (291), and the speed reducing motor (28) is fixedly installed on one side of the motor support (291).
5. The high-precision dual-drive spindle control box according to claim 1 is characterized in that: and a thrust bearing (24) is arranged on the main shaft (2) between the main shaft gear (21) and the chuck (3).
6. The high-precision dual-drive spindle control box according to claim 5 is characterized in that: the thrust bearings (24) are tightly attached to the thrust bearing seat (241), the thrust bearings (24) are respectively installed on two sides of the thrust bearing seat (241), and one sides, far away from the thrust bearing seat (241), of the two thrust bearings (24) are fixedly installed on the main shaft (2).
7. The high-precision dual-drive spindle control box according to claim 1 or 5, is characterized in that: one end of the main shaft (2) close to the chuck (3) is installed on the main shaft box (1) through the main bearing (22), the other end of the main shaft is installed on the main shaft box (1) through the auxiliary bearing (23), and a main shaft end cover (25) is installed on the outer side of the position where the auxiliary bearing (23) is installed on the main shaft box (1).
8. The high-precision dual-drive spindle control box according to claim 1 is characterized in that: a main shaft box cover (11) is installed at the top of the main shaft box (1), an installation hole cover (13) is installed on the front end face, oil hole plugs (14) are installed on the left side face and the right side face close to the top of the main shaft box, and a motor box door (16) is installed on the rear end face of the motor box (15).
9. The high-precision dual-drive spindle control box according to claim 1 is characterized in that: a main shaft box seat (12) is installed at the bottom of the main shaft box (1), and supporting legs (151) are installed at the bottom of the motor box (15).
10. The high-precision dual-drive spindle control box according to claim 1 is characterized in that: evenly install round clamping jaw (31) on chuck (3), clamping jaw (31) quantity is 3-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122243939.9U CN215657879U (en) | 2021-09-16 | 2021-09-16 | High-precision dual-drive spindle control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122243939.9U CN215657879U (en) | 2021-09-16 | 2021-09-16 | High-precision dual-drive spindle control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215657879U true CN215657879U (en) | 2022-01-28 |
Family
ID=79963941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122243939.9U Active CN215657879U (en) | 2021-09-16 | 2021-09-16 | High-precision dual-drive spindle control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215657879U (en) |
-
2021
- 2021-09-16 CN CN202122243939.9U patent/CN215657879U/en active Active
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