CN208556840U - A kind of CNC milling machine main axis transmission system - Google Patents
A kind of CNC milling machine main axis transmission system Download PDFInfo
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- CN208556840U CN208556840U CN201821309180.1U CN201821309180U CN208556840U CN 208556840 U CN208556840 U CN 208556840U CN 201821309180 U CN201821309180 U CN 201821309180U CN 208556840 U CN208556840 U CN 208556840U
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- main shaft
- collar bush
- shaft
- belt pulley
- spindle box
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Abstract
The utility model discloses a kind of CNC milling machine main axis transmission systems, the upper end of the spindle box is equipped with double spindle motors by connection frame, the front end of double spindle motors is connected with first shaft coupling and second shaft coupling, the front end of the first shaft coupling and second shaft coupling is connected separately with the first motor belt pulley and the second motor pulley for protruding into spindle box, the first collar bush and the second collar bush are equipped with by fixed frame in the spindle box, the first main shaft and the second main shaft are respectively equipped in first collar bush and the second collar bush, the first primary shaft belt pulley and the second primary shaft belt pulley are respectively equipped on the upside of first main shaft and the second main shaft.A kind of beneficial effect of CNC milling machine main axis transmission system of the utility model is that structure is simple, it runs smoothly, it is high to special defects product Milling Process revolving speed, output power, operate rotating accuracy with higher and good rigidity, vibration resistance, stability and wearability, production cost is low, and cutting bearing capacity is high, convenient for installation and maintenance.
Description
Technical field
The utility model relates to CNC milling machine art drive systems field more particularly to a kind of CNC milling machine spindle drive systems
System.
Background technique
Axis system is CNC milling machine transmission system, and spindle unit room is by main shaft, main shaft supporting and is mounted on main shaft
Transmission parts composition, spindle unit is the execution unit of special purpose machine tool, to the stage property that is loaded, and drives them to turn round and realizes cutting
Processing.Currently, due to the diversity and particularity of milling product, the requirement to axis system is higher and higher, such as: finishing
Outer circle class product, not only needs machine-tool spindle system revolving speed higher, output power, need to also during revolution, have compared with
High rotating accuracy and good rigidity, vibration resistance, wearability, in addition, original main axis transmission system that there is also slewing ranges is low,
Cut the problem that bearing capacity is low, structure is complicated and maintenance is inconvenient.
Summary of the invention
Purpose of utility model: milling machine spindle drive system revolving speed to be solved in the utility model is low, output power is low, returns
Turn low precision, poor rigidity, vibration resistance the difference technical problem low with cutting bearing capacity, the utility model provides a kind of CNC milling machine
Main axis transmission system.
Technical solution: a kind of CNC milling machine main axis transmission system, comprising: spindle box, the upper end of the spindle box pass through company
It connecing and is provided with double spindle motors, the front end of double spindle motors is connected with first shaft coupling and second shaft coupling, and described first
The front end of shaft coupling and second shaft coupling is connected separately with the first motor belt pulley and the second motor pulley for protruding into spindle box,
The first collar bush and the second collar bush, first collar bush and the second collar bush are equipped with by fixed frame in the spindle box
It is inside respectively equipped with the first main shaft and the second main shaft, is respectively equipped with the first primary shaft belt pulley on the upside of first main shaft and the second main shaft
With the second primary shaft belt pulley, first primary shaft belt pulley is connected by belt with the second electrical machine belt pulley, second primary shaft belt pulley
It is connected by belt with first motor belt wheel, centripetal thrust force ball is equipped between the upside and the first main shaft of first collar bush
Bearing is equipped with Biserial cylindrical roller bearing and double-row cylindrical roller axis between the downside and the first main shaft of first collar bush
It holds, angular contact ball bearing, the downside of second collar bush is equipped between the upside and the second main shaft of second collar bush
And second be equipped with Biserial cylindrical roller bearing and Biserial cylindrical roller bearing between main shaft, first main shaft and the second main shaft
Upper interior is separately installed with pull rod, and the lower inner part of first main shaft and the second main shaft is separately installed with milling head, described
The upper end of milling head is connected with pull rod, and the lower end of the milling head is connected with cylindrical milling cutter.
Wherein, the upper end of first collar bush and the second collar bush is respectively equipped with top bearing cover, first main shaft
The lower end of set and the second collar bush is respectively equipped with lower bearing end cap.
A kind of beneficial effect of CNC milling machine main axis transmission system of the utility model is that structure is simple, is run smoothly, to spy
Different class product Milling Process revolving speed is high, output power, operate rotating accuracy with higher and good rigidity, vibration resistance,
Stability and wearability, production cost is low, and cutting bearing capacity is high, convenient for installation and maintenance.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of CNC milling machine main axis transmission system of the utility model.
Specific embodiment
The utility model is further elaborated below in conjunction with attached drawing and by specific embodiment, it should be pointed out that: for this
For the common process personnel of technology field, without departing from the principle of this utility model, to the various of the utility model
The modification of equivalent form falls within the application range as defined in the appended claims.
Embodiment
As shown in Figure 1, a kind of CNC milling machine main axis transmission system, comprising: the upper end of spindle box 1, the spindle box 1 passes through
Connection frame 2 is equipped with double spindle motors 3, and the front end of double spindle motors 3 is connected with first shaft coupling 4 and second shaft coupling 5, institute
The front end for stating first shaft coupling 4 and second shaft coupling 5 is connected separately with the first motor belt pulley 6 and second for protruding into spindle box 1
Motor pulley 7 is equipped with the first collar bush 9 and the second collar bush 10 by fixed frame 8 in the spindle box 1, and described first
The first main shaft 11 and the second main shaft 12 are respectively equipped in collar bush 9 and the second collar bush 10, first main shaft 11 and second is main
The upside of axis 12 is respectively equipped with the first primary shaft belt pulley 13 and the second primary shaft belt pulley 14, and first primary shaft belt pulley 13 passes through belt 15
It is connected with the second electrical machine belt pulley 7, second primary shaft belt pulley 14 is connected by belt 15 with first motor belt wheel 6, described
Between the upside of first collar bush 9 and the first main shaft 11 be equipped with angular contact ball bearing 16, the downside of first collar bush 9 and
Between first main shaft 11 be equipped with Biserial cylindrical roller bearing 17 and Biserial cylindrical roller bearing 18, second collar bush 10 it is upper
Angular contact ball bearing 16 is equipped between side and the second main shaft 12, between the downside of second collar bush 11 and the second main shaft 9
Equipped with Biserial cylindrical roller bearing 17 and Biserial cylindrical roller bearing 18, in the upside of first main shaft 9 and the second main shaft 10
Portion is separately installed with pull rod 19, and the lower inner part of first main shaft 9 and the second main shaft 10 is separately installed with milling head 20, described
The upper end of milling head 20 is connected with pull rod 19, and the lower end of the milling head 20 is connected with cylindrical milling cutter 21.
Further, the upper end of first collar bush 9 and the second collar bush 10 is respectively equipped with top bearing cover 22, and described
The lower end of one collar bush 9 and the second collar bush 10 is respectively equipped with lower bearing end cap 23.
A kind of CNC milling machine main axis transmission system provided by the utility model, is just able to satisfy by the speed regulation of motor itself
It uses, relative to gear drive, flexible belt 15 can mitigate the shock and vibration as caused by gear drive, and nothing is made an uproar
Sound, the first main shaft 11 and 12 length of the second main shaft are longer, using angular contact ball bearing 16, Biserial cylindrical roller bearing 17 and double
Line column roller bearing 18, cutting bearing capacity is high, runs smoothly, convenient for installation and maintenance.
Claims (2)
1. a kind of CNC milling machine main axis transmission system characterized by comprising spindle box, the upper end of the spindle box pass through company
It connecing and is provided with double spindle motors, the front end of double spindle motors is connected with first shaft coupling and second shaft coupling, and described first
The front end of shaft coupling and second shaft coupling is connected separately with the first motor belt pulley and the second motor pulley for protruding into spindle box,
The first collar bush and the second collar bush, first collar bush and the second collar bush are equipped with by fixed frame in the spindle box
It is inside respectively equipped with the first main shaft and the second main shaft, is respectively equipped with the first primary shaft belt pulley on the upside of first main shaft and the second main shaft
With the second primary shaft belt pulley, first primary shaft belt pulley is connected by belt with the second electrical machine belt pulley, second primary shaft belt pulley
It is connected by belt with first motor belt wheel, centripetal thrust force ball is equipped between the upside and the first main shaft of first collar bush
Bearing is equipped with Biserial cylindrical roller bearing and double-row cylindrical roller axis between the downside and the first main shaft of first collar bush
It holds, angular contact ball bearing, the downside of second collar bush is equipped between the upside and the second main shaft of second collar bush
And second be equipped with Biserial cylindrical roller bearing and Biserial cylindrical roller bearing between main shaft, first main shaft and the second main shaft
Upper interior is separately installed with pull rod, and the lower inner part of first main shaft and the second main shaft is separately installed with milling head, described
The upper end of milling head is connected with pull rod, and the lower end of the milling head is connected with cylindrical milling cutter.
2. a kind of CNC milling machine main axis transmission system according to claim 1, which is characterized in that first collar bush and
The upper end of two collar bushes is respectively equipped with top bearing cover, and the lower end of first collar bush and the second collar bush is respectively equipped with lower axle
Socket end lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821309180.1U CN208556840U (en) | 2018-08-15 | 2018-08-15 | A kind of CNC milling machine main axis transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821309180.1U CN208556840U (en) | 2018-08-15 | 2018-08-15 | A kind of CNC milling machine main axis transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208556840U true CN208556840U (en) | 2019-03-01 |
Family
ID=65450444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821309180.1U Active CN208556840U (en) | 2018-08-15 | 2018-08-15 | A kind of CNC milling machine main axis transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208556840U (en) |
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2018
- 2018-08-15 CN CN201821309180.1U patent/CN208556840U/en active Active
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