CN211866612U - Synchronous belt drive high-precision spindle structure - Google Patents
Synchronous belt drive high-precision spindle structure Download PDFInfo
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- CN211866612U CN211866612U CN201922082176.7U CN201922082176U CN211866612U CN 211866612 U CN211866612 U CN 211866612U CN 201922082176 U CN201922082176 U CN 201922082176U CN 211866612 U CN211866612 U CN 211866612U
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- driving motor
- main shaft
- supporting box
- precision
- synchronous belt
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Abstract
The utility model discloses a synchronous belt drive high accuracy main shaft structure, including the main part supporting box body, the main shaft axle sleeve of level fixation in main part supporting box body one side, the high accuracy main shaft who runs through main part supporting box body and main shaft axle sleeve, the main part supporting box body of high accuracy main shaft top or below is fixed with driving motor, driving motor's output shaft is parallel with the high accuracy main shaft, driving motor's output shaft tip axial fixity has drive wheel synchronous pulley, the one end axial fixity of high accuracy main shaft has from driving wheel synchronous pulley, drive wheel synchronous pulley passes through synchronous belt drive with from driving wheel synchronous pulley and connects. Compared with the prior art, the output shaft of the driving motor and the high-precision spindle are arranged in parallel up and down, and the space is greatly saved in the axis direction of the high-precision spindle; the output shaft of the driving motor is connected with the high-precision main shaft through the synchronous belt pulley and the synchronous belt, so that the precision requirement when the output shaft of the driving motor is assembled with the high-precision main shaft is reduced, and the driving motor is easy to manufacture and assemble.
Description
Technical Field
The utility model relates to an ultra-precision machine tool equipment field, especially a hold-in range drive high accuracy main shaft structure.
Background
The high-precision main shaft is one of the key parts of the ultra-precision machine tool and is driven by a motor. Generally, the arrangement mode that the motor shaft is collinear with the axis of the main shaft is adopted, and the motor shaft is connected with the main shaft by a coupler or a reducer, and the mode generally has the following problems:
1. the integral structure of the main shaft and the motor is long along the axial direction of the main shaft, so that waste is easily caused on the design space;
2. the coaxial precision requirement of the main shaft axis and the motor shaft axis is high, and great difficulty is brought to manufacturing and assembling.
Disclosure of Invention
The utility model discloses a solve exist among the prior art not enough, provide a hold-in range drive high accuracy main shaft structure.
In order to achieve the purpose, the utility model is implemented according to the following technical scheme:
the utility model provides a synchronous belt drive high accuracy main shaft structure, includes that main part supporting box, level fix the main shaft axle sleeve in main part supporting box one side, run through the high accuracy main shaft of main part supporting box and main shaft axle sleeve, the main part supporting box of high accuracy main shaft top or below is fixed with driving motor, and driving motor's output shaft is parallel with the high accuracy main shaft, driving motor's output shaft tip axial fixity has drive wheel synchronous pulley, and the one end axial fixity of high accuracy main shaft has from driving wheel synchronous pulley, and drive wheel synchronous pulley passes through synchronous belt drive with from driving wheel synchronous pulley and connects.
As a preferred technical scheme of the utility model, driving motor fixes on the main part supporting box body of main shaft axle sleeve one side, and driving motor's output shaft runs through the main part supporting box body and extends to main part supporting box body opposite side.
As another preferred technical scheme of the utility model, driving motor fixes on the motor cabinet, and the bolt and nut are installed on main part supporting box for the motor cabinet.
As another preferred technical scheme of the utility model, vertical slotted hole has been seted up to the motor cabinet both sides, thereby fix the motor cabinet on main part supporting box with nut locking after the bolt runs through vertical slotted hole and main part supporting box.
As the utility model discloses a another kind of preferred technical scheme, drive wheel synchronous pulley is through tight cover and the hookup of driving motor output shaft that rises, from the hookup of driving wheel synchronous pulley through tight cover and high accuracy main shaft that rises.
As the utility model discloses a another kind of preferred technical scheme, main shaft axle sleeve and high accuracy main shaft are equipped with adjusting shim from between the axle sleeve of taking, and adjusting shim center begins to have the through-hole that high accuracy main shaft passed, fixes axle sleeve, adjusting shim and the main shaft axle sleeve from the area with the screw together.
As another preferred technical scheme of the utility model, the gasket comprises the left gasket and the right gasket of symmetry.
Compared with the prior art, the output shaft of the driving motor and the high-precision spindle are arranged in parallel up and down, and the space is greatly saved in the axis direction of the high-precision spindle; the output shaft of the driving motor is connected with the high-precision main shaft through the synchronous belt pulley and the synchronous belt, so that the precision requirement when the output shaft of the driving motor is assembled with the high-precision main shaft is reduced, and the driving motor is easy to manufacture and assemble.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the utility model discloses a driving motor output shaft passes through the connection schematic diagram of hold-in range with the high accuracy main shaft.
Fig. 3 is a schematic structural diagram of the motor base of the present invention.
Fig. 4 is a schematic structural diagram of the adjustment pad.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. The specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1 and fig. 2, the synchronous belt drive high-precision spindle structure of this embodiment includes a main body supporting box 15, a spindle sleeve 14 horizontally fixed to one side of the main body supporting box 15 by bolts and nuts, and a high-precision spindle 13 penetrating through the main body supporting box 15 and the spindle sleeve 14, where it is to be noted that the high-precision spindle 13 in this embodiment refers to a spindle unit such as a machine tool spindle, and this embodiment can be purchased directly on the market without further description; the main body supporting box body 15 above the high-precision main shaft 13 is fixedly provided with a driving motor 11, the driving motor 11 is fixed on the main body supporting box body 15 on one side of a main shaft sleeve 14, an output shaft of the driving motor 11 penetrates through the main body supporting box body 15 and extends to the other side of the main body supporting box body 15, the output shaft of the driving motor 11 is parallel to the high-precision main shaft 13, a driving wheel synchronous pulley 18 is axially fixed at the end part of the output shaft of the driving motor 11, a driven wheel synchronous pulley 16 is axially fixed at one end of the high-precision main shaft 13, and the driving wheel synchronous pulley 18 and the driven wheel synchronous pulley 16.
The synchronous belt-driven high-precision spindle structure is mainly characterized in that the axis of a driving motor 11 is arranged in parallel with the axis of a high-precision spindle 13, and the driving motor 11 drives the high-precision spindle 13 to rotate through a synchronous belt 17, so that the space of the high-precision spindle 13 in the axial direction is saved; meanwhile, the output shaft of the driving motor 11 is connected with the high-precision spindle 13 through a synchronous belt pulley and a synchronous belt 17, so that the precision requirement when the output shaft of the driving motor 11 is assembled with the high-precision spindle 13 is reduced, and the manufacturing and the assembly are easy.
In the actual installation and use process, referring to fig. 2 and 3, the driving motor 11 is fixed on the motor base 22, the structure of the motor base 22 is basically the same as the structure of a motor base commonly used in the prior art, except that in the embodiment, longitudinal slots 2201 are formed in both sides of the motor base 22, bolts penetrate through the longitudinal slots 2201 and the main body supporting box body 15 and are locked by nuts, so that the motor base 22 is fixed on the main body supporting box body 15, the motor base 22 can be pushed by the longitudinal slots 2201 to realize vertical displacement, so as to adjust the tension of the synchronous belt 17, and when the motor base 22 is adjusted to vertically displace, slots (not shown in the drawings) facilitating vertical displacement of an output shaft are also formed in the position where the output shaft of the driving motor 11 penetrates through the main body supporting box.
In actual installation and use, referring to fig. 2, the driving wheel synchronous pulley 18 is coupled with the output shaft of the driving motor 11 through the tensioning sleeve 21, and the driven wheel synchronous pulley 16 is coupled with the high-precision main shaft 13 through the tensioning sleeve 21. Because the tensioning sleeve 21 is convenient to mount and dismount, the driving wheel synchronous pulley 18 and/or the driven wheel synchronous pulley 16 can be replaced conveniently when needed.
Referring to fig. 4, an adjusting shim 12 is arranged between the spindle sleeve 14 and the sleeve of the high-precision spindle 13, the adjusting shim 12 is used for adjusting the installation precision of the high-precision spindle 13 and the extension length along the axial direction by grinding the front and back surfaces of the adjusting shim 12, a through hole for the high-precision spindle to pass through is arranged in the center of the adjusting shim 12, and the sleeve of the high-precision spindle 13, the adjusting shim 12 and the spindle sleeve 14 are fixed together by screws. The gasket is composed of a left gasket 41 and a right gasket 42 which are symmetrical, the structure is convenient to install, and the adjusting gasket 12 can be taken down while the high-precision spindle 13 is not completely dismounted.
When the high-precision spindle motor is used, the axis of the driving motor 11 is arranged in parallel with the axis of the high-precision spindle 13, and the driving motor 11 drives the high-precision spindle 13 to rotate through the synchronous belt 17, so that the space in the axial direction of the high-precision spindle 13 is greatly saved; meanwhile, the output shaft of the driving motor 11 is connected with the high-precision spindle 13 through a synchronous belt pulley and a synchronous belt 17, so that the precision requirement when the output shaft of the driving motor 11 is assembled with the high-precision spindle 13 is reduced, and the manufacturing and the assembly are easy.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (7)
1. The utility model provides a hold-in range drive high accuracy main shaft structure, includes main part supporting box, level fix the main shaft axle sleeve in main part supporting box one side, run through the high accuracy main shaft of main part supporting box and main shaft axle sleeve, its characterized in that: a driving motor is fixed on the main body supporting box body above or below the high-precision main shaft, an output shaft of the driving motor is parallel to the high-precision main shaft, a driving wheel synchronous pulley is axially fixed at the end of the output shaft of the driving motor, a driven wheel synchronous pulley is axially fixed at one end of the high-precision main shaft, and the driving wheel synchronous pulley and the driven wheel synchronous pulley are in transmission connection through a synchronous belt.
2. The synchronous belt drive high precision spindle structure of claim 1, wherein: the driving motor is fixed on the main body supporting box body on one side of the main shaft sleeve, and an output shaft of the driving motor penetrates through the main body supporting box body and extends to the other side of the main body supporting box body.
3. The synchronous belt drive high precision spindle structure of claim 1 or 2, wherein: the driving motor is fixed on the motor base, and the motor base is arranged on the main body supporting box body through bolts and nuts.
4. The synchronous belt drive high precision spindle structure of claim 3, wherein: longitudinal slotted holes are formed in two sides of the motor base, and bolts penetrate through the longitudinal slotted holes and the main body supporting box body and are locked by nuts, so that the motor base is fixed on the main body supporting box body.
5. The synchronous belt drive high precision spindle structure of claim 1, wherein: the driving wheel synchronous belt pulley is connected with an output shaft of the driving motor through a tensioning sleeve, and the driven wheel synchronous belt pulley is connected with the high-precision spindle through the tensioning sleeve.
6. The synchronous belt drive high precision spindle structure of claim 1, wherein: an adjusting gasket is arranged between the spindle sleeve and the spindle sleeve of the high-precision spindle, a through hole through which the high-precision spindle penetrates is arranged in the center of the adjusting gasket, and the spindle sleeve, the adjusting gasket and the spindle sleeve of the high-precision spindle are fixed together by screws.
7. The synchronous belt drive high precision spindle structure of claim 6, wherein: the adjusting gasket is composed of a left gasket and a right gasket which are symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082176.7U CN211866612U (en) | 2019-11-28 | 2019-11-28 | Synchronous belt drive high-precision spindle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082176.7U CN211866612U (en) | 2019-11-28 | 2019-11-28 | Synchronous belt drive high-precision spindle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211866612U true CN211866612U (en) | 2020-11-06 |
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ID=73243873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922082176.7U Active CN211866612U (en) | 2019-11-28 | 2019-11-28 | Synchronous belt drive high-precision spindle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211866612U (en) |
-
2019
- 2019-11-28 CN CN201922082176.7U patent/CN211866612U/en active Active
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