CN205765256U - The internal double water jacket cooling structure of a kind of high-speed main spindle - Google Patents
The internal double water jacket cooling structure of a kind of high-speed main spindle Download PDFInfo
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- CN205765256U CN205765256U CN201620567776.6U CN201620567776U CN205765256U CN 205765256 U CN205765256 U CN 205765256U CN 201620567776 U CN201620567776 U CN 201620567776U CN 205765256 U CN205765256 U CN 205765256U
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- water jacket
- annular channel
- oversheath
- annular
- sleeve
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Abstract
The utility model discloses the internal double water jacket cooling structure of a kind of high-speed main spindle, it includes mandrel, axle sleeve, inner water sleeve, outer water jacket, oversheath and under, upper end bearing, axle sleeve, inner water sleeve is installed in down respectively, between the bearing of upper end, first annular runner is set between outer water jacket and oversheath bottom, second annular channel is set between inner water sleeve and outer water jacket, 3rd annular channel is set between outer water jacket and oversheath upper end, oversheath offers the inlet opening connecting first annular runner, the liquid outlet connected with the 3rd annular channel, connection first offered by outer water jacket, the lower end liquid-through hole of second ring runner, connection second, the upper end liquid-through hole of three annular channels.This utility model is combined circulating cooling by double water jacket three annular channel, main shaft internal temperature can be made uniformly and effectively to safeguard stablizing of temperature rise, and the service behaviour that runs up for a long time for main shaft, stability, machining accuracy, service life provide sound assurance, novel in design, cooling effectiveness is high.
Description
Technical field
This utility model relates to mechanical main shaft chiller technical field, particularly relates to the internal double water jacket of a kind of high-speed main spindle
Cooling structure.
Background technology
Main shaft all uses the cold mode of oil to cool down the most mostly, to maintain main shaft properly functioning, and the runner cloth of cooling
In main shaft outer ring, the sealing annular channel utilizing sealing ring to be formed with main spindle box body inwall, make fluid circulate in annular channel,
Reach the effect of cooling.
But, existing spindle cooling structure is single, and cooling range is little, and cooling effectiveness is relatively low, and heat extends relatively big, according to gold
The thermal expansion theory belonged to understands, if the mandrel temperature of main shaft rises, the length of main shaft will extend, and the thermal deformation thus caused is such as
Fruit is dealt with improperly, on the one hand can have a strong impact on machining accuracy and the suface processing quality of main shaft.
Further, since internal cooling is uneven, there is the temperature difference in bearing outer ring and inner ring, the pretension amount of bearing can be made to strengthen,
The abrasion heating of aggravation bearing, affects the service life of bearing.
Furthermore, owing to main shaft and main spindle box are to be sealed by sealing ring to form ring packing runner, sealing ring easily produces
Deformation or damaged, coolant is easily revealed.
Utility model content
The purpose of this utility model is to provide the internal double water jacket of a kind of high-speed main spindle cold for the deficiencies in the prior art
But structure, the internal double water jacket cooling structure of this high-speed main spindle is combined circulating cooling by double water jacket three annular channel, can
Main shaft internal temperature is enough made uniformly and effectively to safeguard stablizing of temperature rise, and the service behaviour, stable run up for a long time for main shaft
Property, machining accuracy, service life sound assurance is provided, novel in structural design, cooling effectiveness are high.
For reaching above-mentioned purpose, this utility model is achieved through the following technical solutions.
The internal double water jacket cooling structure of a kind of high-speed main spindle, includes in the mandrel being vertically arranged, the peripheral suit of mandrel
There are arrangement the most successively and axle sleeve coaxially arranged with mandrel respectively, inner water sleeve, outer water jacket, oversheath, outside inner water sleeve
Periphery touches with the inner peripheral surface of outer water jacket, and the outer circumference surface of outer water jacket touches with the inner peripheral surface of oversheath, outside mandrel
Enclosing the upper end bearing being also set with the bottom end bearing being positioned at axle sleeve lower end side, being positioned at axle sleeve upper end side, axle sleeve, inner water sleeve block respectively
It is loaded between bottom end bearing and upper end bearing；
Be provided with in the shape of a spiral between bottom and the bottom of oversheath of outer water jacket and with bottom end bearing radially aligned
First annular runner, be provided with spiral second annular channel, the upper end of outer water jacket between inner water sleeve and outer water jacket
And be provided with between the upper end of oversheath in the shape of a spiral and with the 3rd annular channel of upper end bearing radially aligned, the 3rd annular
Runner is positioned at the upper end side of first annular runner, and oversheath offers and connects the inlet opening of first annular runner, connection the 3rd ring
The liquid outlet of shape runner, outer water jacket offers connection first annular runner and the lower end liquid-through hole of the second annular channel, connects the
Second ring runner and the upper end liquid-through hole of the 3rd annular channel.
Wherein, the outer circumference surface of described outer water jacket bottom offers spiral first helicla flute, the first helicla flute
Enclose with the inner peripheral surface of described oversheath and dress up described first annular runner.
Wherein, the outer circumference surface of described inner water sleeve offers spiral second helicla flute, and the second helicla flute is with described
The inner peripheral surface of outer water jacket encloses dresses up described second annular channel.
Wherein, the outer circumference surface of described outer water jacket upper end offers spiral 3rd helicla flute, the 3rd helicla flute
Enclose with the inner peripheral surface of described oversheath and dress up described 3rd annular channel.
The beneficial effects of the utility model are: a kind of high-speed main spindle described in the utility model internal double water jacket cooling knot
Structure, it includes mandrel, axle sleeve, inner water sleeve, outer water jacket, oversheath, bottom end bearing, upper end bearing, and axle sleeve, inner water sleeve block dress respectively
Between bottom end bearing and upper end bearing, first annular runner, interior water are set between outer water jacket bottom and oversheath bottom
Between set and outer water jacket, the second annular channel is set, between outer water jacket upper end and oversheath upper end, the 3rd annular flow is set
Road, the liquid outlet that oversheath is offered the inlet opening connecting first annular runner, connected the 3rd annular channel, connection offered by outer water jacket
The lower end liquid-through hole of first annular runner and the second annular channel, the upper end connecting the second annular channel and the 3rd annular channel lead to
Fluid apertures.This utility model is combined circulating cooling by double water jacket three annular channel, and main shaft internal temperature i.e. can be made uniform
And effectively safeguard stablizing of temperature rise, and run up for a long time for main shaft service behaviour, stability, machining accuracy, service life
Thering is provided sound assurance, novel in structural design, cooling effectiveness are high.
Accompanying drawing explanation
Below with accompanying drawing, this utility model is further detailed, but the embodiment in accompanying drawing do not constitute right
Any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
Include in FIG:
1 mandrel 2 axle sleeve
The 3 outer water jackets of inner water sleeve 4
5 oversheath 61 bottom end bearings
The 62 first annular runners of upper end bearing 71
72 second annular channel 73 the 3rd annular channels
81 inlet opening 82 liquid outlets
91 lower end liquid-through hole 92 upper end liquid-through holes.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is illustrated.
As it is shown in figure 1, the internal double water jacket cooling structure of a kind of high-speed main spindle, include in the mandrel 1 being vertically arranged, mandrel
The periphery of 1 is set with arrangement the most successively and coaxially arranged with mandrel 1 respectively axle sleeve 2, inner water sleeve 3, outer water jacket 4, outer
Sheath 5, the outer circumference surface of inner water sleeve 3 touches with the inner peripheral surface of outer water jacket 4, and the outer circumference surface of outer water jacket 4 is interior with oversheath 5
Periphery touches, and the periphery of mandrel 1 is also set with and is positioned at the bottom end bearing 61 of axle sleeve 2 lower end side, is positioned at the upper of axle sleeve 2 upper end side
End bearing 62, axle sleeve 2, inner water sleeve 3 are installed between bottom end bearing 61 and upper end bearing 62 respectively.
Further, be provided with in the shape of a spiral between bottom and the bottom of oversheath 5 of outer water jacket 4 and with lower end axle
Hold the first annular runner 71 of 61 radially aligneds, between inner water sleeve 3 and outer water jacket 4, be provided with spiral second annular channel
72, be provided with in the shape of a spiral between upper end and the upper end of oversheath 5 of outer water jacket 4 and with upper end bearing 62 radially aligned
3rd annular channel 73, the 3rd annular channel 73 is positioned at the upper end side of first annular runner 71, and oversheath 5 offers connection first
The inlet opening 81 of annular channel 71, the liquid outlet 82 of connection the 3rd annular channel 73, outer water jacket 4 offers the first annular stream of connection
The lower end liquid-through hole 91 of road 71 and the second annular channel 72, the upper end connecting the second annular channel 72 and the 3rd annular channel 73 lead to
Fluid apertures 92.
During utility model works, coolant enters to first annular stream via the inlet opening 81 of oversheath 5
In road 71, the coolant flowing through first annular runner 71 enters in the second annular channel 72 via lower end liquid-through hole 91 again,
The coolant flowing through the second annular channel 72 enters in the 3rd annular channel 73 via upper end liquid-through hole 92 again, flows through the 3rd
The coolant of annular channel 73 is back in blood circulation via liquid outlet 82 again.It should further be noted that flow through in coolant
During first annular runner 71, bottom end bearing 61 is mainly cooled down by coolant；The second annular flow is flowed through in coolant
During road 72, mandrel 1 is mainly cooled down and supplement heat rejecter upper end bearing 62, bottom end bearing 61 by coolant；In cooling
Liquid stream is during the 3rd annular channel 73, and upper end bearing 62 is mainly cooled down and supplement heat rejecter inner water sleeve 3 by coolant.
Summary situation understands, and is designed by said structure, and this utility model is carried out by double water jacket three annular channel
Combination circulating cooling, i.e. can make main shaft internal temperature uniformly and effectively safeguard stablizing of temperature rise, and be main shaft fortune for a long time at a high speed
The service behaviour that turns, stability, machining accuracy, service life provide sound assurance；So, this utility model has structure and sets
The advantage that meter is novel, cooling effectiveness is high.
It should further be noted that the outer circumference surface of outer water jacket 4 bottom offers spiral first helicla flute, the first spiral shell
The inner peripheral surface of spin slot and oversheath 5 encloses dresses up first annular runner 71；The outer circumference surface of inner water sleeve 3 offers spiral
The inner peripheral surface of the second helicla flute, the second helicla flute and outer water jacket 4 encloses dresses up the second annular channel 72；Outer water jacket 4 upper end
Outer circumference surface offers spiral 3rd helicla flute, and the inner peripheral surface of the 3rd helicla flute and oversheath 5 encloses dresses up the 3rd ring
Shape runner 73.
Need to be explained further, the first helicla flute, the 3rd helicla flute are opened in the outer circumference surface of outer water jacket 4, the second helicla flute
It is opened in the outer circumference surface of inner water sleeve 3；First helicla flute of said structure design, the second helicla flute, the 3rd helicla flute have and add
The convenient advantage of work.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to this reality
By novel thought, the most all will change, this specification content should not be construed as
To restriction of the present utility model.
Claims (4)
1. the internal double water jacket cooling structure of high-speed main spindle, it is characterised in that: include in the mandrel (1) being vertically arranged, core
The periphery of axle (1) be set with arrangement the most successively and coaxially arranged with mandrel (1) respectively axle sleeve (2), inner water sleeve (3),
Outer water jacket (4), oversheath (5), the outer circumference surface of inner water sleeve (3) touches with the inner peripheral surface of outer water jacket (4), outer water jacket (4)
Outer circumference surface touches with the inner peripheral surface of oversheath (5), and the periphery of mandrel (1) is also set with and is positioned under axle sleeve (2) lower end side
End bearing (61), being positioned at the upper end bearing (62) of axle sleeve (2) upper end side, axle sleeve (2), inner water sleeve (3) are installed in lower end axle respectively
Hold between (61) and upper end bearing (62)；
Be provided with in the shape of a spiral between bottom and the bottom of oversheath (5) of outer water jacket (4) and with bottom end bearing (61) footpath
To the first annular runner (71) of alignment, between inner water sleeve (3) and outer water jacket (4), it is provided with spiral second annular channel
(72), be provided with in the shape of a spiral between upper end and the upper end of oversheath (5) of outer water jacket (4) and with upper end bearing (62) footpath
To the 3rd annular channel (73) of alignment, the 3rd annular channel (73) is positioned at the upper end side of first annular runner (71), oversheath
(5) liquid outlet (82) offer the inlet opening (81) connecting first annular runner (71), connecting the 3rd annular channel (73), outward
Water jacket (4) offers and connects first annular runner (71) and the lower end liquid-through hole (91) of the second annular channel (72), connects second
Annular channel (72) and the upper end liquid-through hole (92) of the 3rd annular channel (73).
The internal double water jacket cooling structure of a kind of high-speed main spindle the most according to claim 1, it is characterised in that: described outer water jacket
(4) outer circumference surface of bottom offers the inner circle of spiral first helicla flute, the first helicla flute and described oversheath (5)
Side face encloses dresses up described first annular runner (71).
The internal double water jacket cooling structure of a kind of high-speed main spindle the most according to claim 2, it is characterised in that: described inner water sleeve
(3) outer circumference surface offers spiral second helicla flute, and the second helicla flute encloses with the inner peripheral surface of described outer water jacket (4)
Dress up described second annular channel (72).
The internal double water jacket cooling structure of a kind of high-speed main spindle the most according to claim 3, it is characterised in that: described outer water jacket
(4) outer circumference surface of upper end offers the inner circle of spiral 3rd helicla flute, the 3rd helicla flute and described oversheath (5)
Side face encloses dresses up described 3rd annular channel (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620567776.6U CN205765256U (en) | 2016-06-14 | 2016-06-14 | The internal double water jacket cooling structure of a kind of high-speed main spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620567776.6U CN205765256U (en) | 2016-06-14 | 2016-06-14 | The internal double water jacket cooling structure of a kind of high-speed main spindle |
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| Publication Number | Publication Date |
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| CN205765256U true CN205765256U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620567776.6U Active CN205765256U (en) | 2016-06-14 | 2016-06-14 | The internal double water jacket cooling structure of a kind of high-speed main spindle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713864A (en) * | 2022-06-09 | 2022-07-08 | 冈田精机(常州)有限公司 | Double-circulation cooling type gear spindle |
-
2016
- 2016-06-14 CN CN201620567776.6U patent/CN205765256U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713864A (en) * | 2022-06-09 | 2022-07-08 | 冈田精机(常州)有限公司 | Double-circulation cooling type gear spindle |
| CN114713864B (en) * | 2022-06-09 | 2022-08-16 | 冈田精机(常州)有限公司 | Double-circulation cooling type gear spindle |
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