CN210360483U - Gantry main shaft belt transmission structure - Google Patents
Gantry main shaft belt transmission structure Download PDFInfo
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- CN210360483U CN210360483U CN201921323300.8U CN201921323300U CN210360483U CN 210360483 U CN210360483 U CN 210360483U CN 201921323300 U CN201921323300 U CN 201921323300U CN 210360483 U CN210360483 U CN 210360483U
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- belt
- spindle
- transmission
- belt pulley
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Abstract
A belt transmission structure of a gantry main shaft belongs to the technical field of gantry equipment. This longmen main shaft belt transmission structure includes: the device comprises a spindle motor assembly, a cutter spindle assembly and a belt transmission assembly; the belt transmission component comprises a first belt pulley, a second belt pulley and a belt sleeved on the first belt pulley and the second belt pulley; the first belt pulley is relatively fixed with an output shaft of the spindle motor assembly through a power lock, and the second belt pulley is arranged on a tool spindle in the tool spindle assembly and drives the tool spindle to rotate through belt transmission; the spindle motor assembly is fixed on a motor plate, and the motor plate is arranged on the transmission bracket; an adjusting plate is fixed on the transmission support, an adjusting bolt is arranged on the adjusting plate and fixedly connected with the motor plate, and the motor plate is pulled to slide back and forth on the transmission support by adjusting the adjusting bolt so as to adjust the tightness of the belt. The utility model discloses simple structure, it is convenient to maintain, is applicable to the great transmission occasion of diaxon centre-to-centre spacing.
Description
Technical Field
The utility model relates to a technique in gantry equipment field specifically is a gantry main shaft belt transmission structure.
Background
The gantry machining center mainly produces large parts, and the gear type spindle is widely applied at present due to high gear transmission efficiency and long service life. As shown in fig. 1, the output force of the spindle motor 1 ' is output to the spindle gear 9 ' through the transmission gear 2 ' via the gear shift gear 4 ' on the first transmission rod 3 ' and the gear 8 ' on the second transmission rod 6 ' or the gear shift gear 5 ' on the first transmission rod 3 ' and the gear 7 ' on the second transmission rod 6 ', and finally output to the spindle gear 9 ' via the gear 10 ' on the second transmission rod 6 ', so as to drive the spindle 11 ' to rotate at a high speed. However, the gear transmission has higher comprehensive cost, needs frequent maintenance and cannot protect during overload; and the requirements on manufacturing clearance and matching are higher, so that the requirements on the machining precision and the installation of the main body are high during installation.
In addition, when the gear type main shaft adopts certain gears with special tooth shapes or high precision to carry out power transmission, special or high-precision machine tools, cutters, measuring instruments and the like are needed, the manufacturing process is complex, and the cost is high; however, when the gear with low precision is used for power transmission, the noise, vibration and impact are large, and the environment is polluted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is not enough to the above-mentioned that prior art exists, provides a longmen main shaft belt drive structure, simple structure, and it is convenient to maintain, is applicable to the great transmission occasion of diaxon centre-to-centre spacing.
The utility model discloses a realize through following technical scheme:
the utility model discloses a: the device comprises a spindle motor assembly, a cutter spindle assembly and a belt transmission assembly;
the belt transmission component comprises a first belt pulley, a second belt pulley and a belt sleeved on the first belt pulley and the second belt pulley; the first belt pulley is relatively fixed with an output shaft of the spindle motor assembly through a power lock, and the second belt pulley is arranged on a tool spindle in the tool spindle assembly and drives the tool spindle to rotate through belt transmission;
the spindle motor assembly is fixed on a motor plate, and the motor plate is fixed on the transmission bracket; an adjusting plate is fixed on the transmission support, an adjusting bolt is arranged on the adjusting plate, the adjusting bolt is fixedly connected with the motor plate, and the motor plate is pulled to slide back and forth on the transmission support through the adjusting bolt to adjust the tightness of the belt.
Preferably, the transmission support is fixedly connected with a main spindle box body in the cutter spindle assembly, and the main spindle box body is square pillow-shaped and occupies small space.
The tool spindle is provided with an induction wheel, and the induction wheel is provided with an induction groove; one side of the main spindle box body is provided with an opening corresponding to the induction groove, and an inductor support is fixed on the main spindle box body; the sensor sets the action of the unclamping cylinder through detecting the induction groove, and carries out tool loosening and clamping actions on the tool at the nose end of the tool spindle.
Preferably, a BF (Baruffaldi, balanti) gear box is connected between the output shaft of the spindle motor and the first belt pulley, so that the transmission torsion of the belt can be increased, and the BF gear box is fixedly connected with the motor plate.
Technical effects
Compared with the prior art, the utility model discloses following technological effect has:
1) the transmission device is suitable for transmission occasions with large center distance between two shafts, has stable transmission and no noise, and can buffer and absorb vibration; when the belt is overloaded, the belt can slip on the belt pulley, so that the damage of weak parts can be prevented, the safety protection effect is realized, and the comprehensive transmission cost is low;
2) the rotation speed is 8000-10000rpm, the heavy cutting capability is slightly inferior to that of a gear type structure, but the smoothness of parts can meet the requirements of part processing, the manufacturing cost is not high, the structure is simple, the installation and maintenance are convenient, and the large market is realized.
Drawings
FIG. 1 is a schematic view of a gear type transmission structure of a conventional gantry spindle;
FIG. 2 is a schematic structural view of embodiment 1;
FIG. 3 is a schematic structural view of a tool spindle in embodiment 1;
FIG. 4 is a schematic structural view of embodiment 2;
in the figure: the spindle motor assembly 1, a spindle motor 11, a motor plate 12, an adjusting bolt 13 and an adjusting plate 14;
the tool spindle assembly 2, the unclamping cylinder 21, the spindle box 22, the tool spindle 23, the induction wheel 24, the induction groove 24a, the inductor 25 and the inductor support 26;
the belt transmission component 3, a first belt pulley 31, a second belt pulley 32, a belt 33 and a power lock 34;
a transmission bracket 4; a BF gearbox 5.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 2, the present embodiment includes a spindle motor assembly 1, a tool spindle assembly 2, and a belt drive assembly 3;
as shown in fig. 2 and 3, the belt transmission assembly 3 includes a first belt pulley 31, a second belt pulley 32, and a belt 33 fitted over the first belt pulley 31 and the second belt pulley 32; the first belt pulley 31 is fixed with an output shaft of the spindle motor 11 through a power lock 34, and the second belt pulley 32 is arranged on the tool spindle 23 in the tool spindle assembly 2 and drives the tool spindle to rotate through belt transmission.
The motor plate 12 is arranged on the transmission bracket 4, and the transmission bracket 4 is fixedly connected with the main spindle box 22; an adjusting plate 14 is fixed on the transmission bracket 4, an adjusting bolt 13 is arranged on the adjusting plate 14, the adjusting bolt 13 is fixedly connected with the motor plate 12, and the motor plate 12 is pulled to slide back and forth on the transmission bracket 4 through the adjusting bolt 13 to adjust the tightness of the belt; the spindle motor 11 is fixed on the motor plate 12, and an output shaft of the spindle motor 11 is inserted into the motor plate 12.
An induction wheel 24 is arranged on the cutter main shaft 22, an induction groove 24a is arranged on the induction wheel 24, and the induction groove 24a is 5mm deep and 14mm wide; one side of the main spindle box body 22 is opened corresponding to the induction groove 24a, an inductor support 26 is fixed, and an inductor 25 is fixed on the inductor support 26; the sensor 25 sets the unclamping cylinder to act through detecting the induction groove 24a, and performs unclamping and clamping actions on the tool at the nose end of the tool spindle.
Example 2
As shown in fig. 4, the present embodiment is different from embodiment 1 in that a BF gear box 5 is coupled between an output shaft of a spindle motor 11 and a first pulley 31, the first pulley 31 is fixed to the BF gear box 5 by a power lock 34, and the BF gear box 5 is fixedly connected to a motor plate 12.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a longmen main shaft belt drive structure which characterized in that includes: the device comprises a spindle motor assembly, a cutter spindle assembly and a belt transmission assembly;
the belt transmission component comprises a first belt pulley, a second belt pulley and a belt sleeved on the first belt pulley and the second belt pulley; the first belt pulley is relatively fixed with an output shaft of the spindle motor assembly through a power lock, and the second belt pulley is arranged on a tool spindle in the tool spindle assembly and drives the tool spindle to rotate through belt transmission;
the spindle motor assembly is fixed on a motor plate, and the motor plate is arranged on the transmission bracket; an adjusting plate is fixed on the transmission support, an adjusting bolt is arranged on the adjusting plate and fixedly connected with the motor plate, and the motor plate is pulled to slide back and forth on the transmission support by adjusting the adjusting bolt so as to adjust the tightness of the belt.
2. The gantry spindle belt drive of claim 1, wherein the drive mount is fixedly attached to a main spindle housing of the tool spindle assembly.
3. The gantry main shaft belt transmission structure as claimed in claim 1, wherein the tool main shaft is provided with an induction wheel, and the induction wheel is provided with an induction groove; the main shaft box body is provided with an opening corresponding to the induction groove and an inductor support fixed with an inductor.
4. The gantry spindle belt transmission structure according to claim 1, wherein a BF gear box is connected between the output shaft of the spindle motor and the first belt pulley, and the BF gear box is fixedly connected with the motor plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921323300.8U CN210360483U (en) | 2019-08-15 | 2019-08-15 | Gantry main shaft belt transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921323300.8U CN210360483U (en) | 2019-08-15 | 2019-08-15 | Gantry main shaft belt transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210360483U true CN210360483U (en) | 2020-04-21 |
Family
ID=70252085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921323300.8U Active CN210360483U (en) | 2019-08-15 | 2019-08-15 | Gantry main shaft belt transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210360483U (en) |
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2019
- 2019-08-15 CN CN201921323300.8U patent/CN210360483U/en active Active
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