CN208409571U - A kind of main shaft of head with unloading transmission device - Google Patents
A kind of main shaft of head with unloading transmission device Download PDFInfo
- Publication number
- CN208409571U CN208409571U CN201820944769.2U CN201820944769U CN208409571U CN 208409571 U CN208409571 U CN 208409571U CN 201820944769 U CN201820944769 U CN 201820944769U CN 208409571 U CN208409571 U CN 208409571U
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- main shaft
- head
- sleeve
- driven pulley
- fixing sleeve
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Abstract
The utility model relates to a kind of main shaft of head, specially a kind of main shaft of head with unloading transmission device, including sleeve, main shaft of head, upper end cover, upper end bearing group, spacer ring set, bottom end bearing group, lower cover and relief arrangement, the relief arrangement includes fixing sleeve, driven pulley, deep groove ball bearing, gland and connector sleeve；The fixing sleeve covers outside the lower end of main shaft of head, the lower end of the upper end connection sleeve of fixing sleeve；Driven pulley is mounted on outside fixing sleeve, and deep groove ball bearing is set between driven pulley and fixing sleeve；End cap is connected with the lower end of driven pulley and compresses the outer ring of deep groove ball bearing；Connector sleeve is mounted on the lower section for being located at fixing sleeve and gland on main shaft of head, and connector sleeve is connected with gland.The utility model structure is simple, easy for installation, and relief arrangement avoids main shaft of head bearing and bears radial load, to improve the rotating accuracy and working life of main shaft of head.
Description
Technical field
The utility model relates to a kind of main shaft of head, specially a kind of main shaft of head with unloading transmission device.
Background technique
As shown in Figure 1: in the prior art, the rotary motion of the main shaft of head 2 of vertical grinder, is driven by motor 18, is passed through
Drive pulley 19, belt 20, driven pulley 9 are driven, and driven pulley 9 is connect by key with main shaft of head 2, axial with vehicle
Driven pulley 9 is locked on main shaft 2 by the shaft shoulder positioning of head main shaft 2, nut 21.When it has the disadvantage in that motor rotation,
Belt pulley drives belt rotation, tension on belt drive pulley and driven pulley, and main shaft of head bearing is made to bear certain diameter
To load, to influence the rotating accuracy and working life of main shaft of head.
Summary of the invention
For the problem in the prior art, the utility model provides a kind of headstock master with unloading transmission device
Axis can be avoided main shaft of head bearing and bear radial load, to influence its rotating accuracy and working life.
According to the technical solution of the utility model, the main shaft of head with unloading transmission device, including sleeve, headstock master
Axis, upper end cover, upper end bearing group, spacer ring set, bottom end bearing group, lower cover and relief arrangement, the sleeve are covered in main shaft of head
Outside, it is equipped with upper end cover between the upper end and main shaft of head of sleeve, is successively arranged end axis between sleeve and main shaft of head from top to bottom
Group, spacer ring set and bottom end bearing group are held, the lower end of bottom end bearing group is equipped with lower cover, and relief arrangement is mounted on the vehicle below sleeve
On head main shaft, the relief arrangement includes fixing sleeve, driven pulley, deep groove ball bearing, gland and connector sleeve；The fixing sleeve
It covers outside the lower end of main shaft of head, the lower end of the upper end connection sleeve of fixing sleeve；Driven pulley is mounted on outside fixing sleeve, zanjon
Ball bearing is set between driven pulley and fixing sleeve；End cap is connected with the lower end of driven pulley and compresses deep groove ball bearing
Outer ring；Connector sleeve is mounted on the lower section for being located at fixing sleeve and gland on main shaft of head, and connector sleeve is connected with gland.
Further, the connector sleeve is mounted on main shaft of head by key, and the lower end of connector sleeve utilizes the first locking screw
Female axial restraint.
Further, the end face of the connector sleeve is equipped with multiple rubber rings, and the position of rubber ring is corresponded on the end face of gland
Straight pin is installed, rubber ring is inserted into the lower end of straight pin.
Further, the deep groove ball bearing utilizes the second locking nut axial compression.
The utility model has the beneficial effects that: the driven pulley that will be mounted on main shaft of head, passes through deep-groove ball axis
It holds and is mounted on a fixing sleeve, structure is simple, easy for installation；Fixing sleeve is mounted on rack sleeve, is not connect with main shaft of head
Touching, connector sleeve, main shaft of head and driven pulley form one, and driven pulley rotation drives main shaft of head rotation, due to from
Dynamic belt pulley is not directly contacted with main shaft of head, therefore the tensile force of belt is not transferred on main shaft of head, to improve vehicle
The rotating accuracy and working life of head main shaft.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art.
Fig. 2 is the structural schematic diagram of the utility model.
Description of symbols: 1- sleeve, 2- main shaft of head, 3- upper end cover, the upper end 4- bearing group, 5- spacer ring set, the lower end 6-
Bearing group, 7- lower cover, 8- fixing sleeve, 9- driven pulley, 10- deep groove ball bearing, 11- gland, 12- rubber ring, 13- cylinder
Pin, 14- connector sleeve, 15- key, the first locking nut of 16-, the second locking nut of 17-, 18- motor, 19- drive pulley, 20-
Belt, 21- nut.
Specific embodiment
The utility model is described in further detail with attached drawing combined with specific embodiments below.
It is as shown in Figure 2: the main shaft of head with unloading transmission device, including sleeve 1, main shaft of head 2, upper end cover 3, upper shaft
Hold group 4, spacer ring set 5, bottom end bearing group 6, lower cover 7 and relief arrangement, wherein 1 set of sleeve outside main shaft of head 2, sleeve 1
Between upper end and main shaft of head 2 be equipped with upper end cover 3, be successively arranged from top to bottom between sleeve 1 and main shaft of head 2 end bearing group 4,
Spacer ring set 5 and bottom end bearing group 6, the lower end of bottom end bearing group 6 are equipped with lower cover 7, and relief arrangement is mounted on the vehicle of 1 lower section of sleeve
On head main shaft 2.
Relief arrangement includes fixing sleeve 8, driven pulley 9, deep groove ball bearing 10, gland 11 and connector sleeve 14.Fixing sleeve 8
Inner hole pass through main shaft of head 2 lower end, the upper end connect sleeve 1 lower end.Driven pulley 9 is mounted on outside fixing sleeve 8, deep
Ditch ball bearing 10 is set between driven pulley 9 and fixing sleeve 8, and the interior snare of deep groove ball bearing 10 is on fixing sleeve 8, and benefit
With 17 axial compression of the second locking nut, outer snare is on driven pulley 9.The lower end phase of end cap 11 and driven pulley 9
Connect and compress the outer ring of deep groove ball bearing 10, driven pulley 9 can be rotated around fixing sleeve 8 at this time, without influencing main shaft of head 2.
Deep groove ball bearing 10 can be setting up and down two.Connector sleeve 14, which is mounted on main shaft of head 2, is located at fixing sleeve 8 and gland 11
Lower section, connector sleeve 14 is connected with gland 11, and axial direction is positioned according to the shaft shoulder of main shaft of head 2.
Specifically, connector sleeve 14 can be mounted on main shaft of head 2 by key 15, lower end utilizes the first locking nut 16
Axial restraint.The end face of connector sleeve 14 is equipped with multiple rubber rings 12, and the position that rubber ring 12 is corresponded on the end face of gland 11 is set
There is straight pin 13, rubber ring 12 is inserted into the lower end of straight pin 13.Rubber ring 12 is along the end of connector sleeve 14 in one embodiment
Be uniformly arranged 6 of face.At this point, driven pulley 9 rotates, driven by straight pin 13, rubber ring 12, connector sleeve 14, key 15
Main shaft of head 2 rotates.
The driven pulley of the utility model is mounted on fixing sleeve by deep groove ball bearing, and structure is simple, easy for installation,
Relief arrangement avoids main shaft of head bearing and bears radial load, to improve rotating accuracy and the work longevity of main shaft of head
Life.
Claims (4)
1. a kind of main shaft of head with unloading transmission device, including sleeve (1), main shaft of head (2), upper end cover (3), upper end bearing
Group (4), spacer ring set (5), bottom end bearing group (6), lower cover (7) and relief arrangement, the sleeve (1) cover in main shaft of head (2)
Outside, between the upper end of sleeve (1) and main shaft of head (2) be equipped with upper end cover (3), between sleeve (1) and main shaft of head (2) from up to
Under be successively arranged end bearing group (4), spacer ring set (5) and bottom end bearing group (6), the lower end of bottom end bearing group (6) is equipped with lower cover
(7), relief arrangement is mounted on the main shaft of head (2) below sleeve (1), which is characterized in that the relief arrangement includes fixing
Cover (8), driven pulley (9), deep groove ball bearing (10), gland (11) and connector sleeve (14)；The fixing sleeve (8) covers in headstock
Outside the lower end of main shaft (2), the lower end of upper end connection sleeve (1) of fixing sleeve (8)；Driven pulley (9) is mounted on fixing sleeve (8)
Outside, deep groove ball bearing (10) is set between driven pulley (9) and fixing sleeve (8)；Gland (11) and driven pulley (9)
Lower end is connected and compresses the outer ring of deep groove ball bearing (10)；Connector sleeve (14), which is mounted on main shaft of head (2), is located at fixing sleeve (8)
With the lower section of gland (11), connector sleeve (14) is connected with gland (11).
2. the main shaft of head according to claim 1 with unloading transmission device, which is characterized in that the connector sleeve (14) is logical
It crosses key (15) to be mounted on main shaft of head (2), the lower end of connector sleeve (14) utilizes the first locking nut (16) axial restraint.
3. the main shaft of head according to claim 1 with unloading transmission device, which is characterized in that the connector sleeve (14)
End face is equipped with multiple rubber rings (12), and the position that rubber ring (12) is corresponded on the end face of gland (11) is equipped with straight pin (13),
Rubber ring (12) are inserted into the lower end of straight pin (13).
4. the main shaft of head according to claim 1 with unloading transmission device, which is characterized in that the deep groove ball bearing
(10) the second locking nut (17) axial compression is utilized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820944769.2U CN208409571U (en) | 2018-06-15 | 2018-06-15 | A kind of main shaft of head with unloading transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820944769.2U CN208409571U (en) | 2018-06-15 | 2018-06-15 | A kind of main shaft of head with unloading transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208409571U true CN208409571U (en) | 2019-01-22 |
Family
ID=65107768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820944769.2U Active CN208409571U (en) | 2018-06-15 | 2018-06-15 | A kind of main shaft of head with unloading transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208409571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681100A (en) * | 2021-09-24 | 2021-11-23 | 燕山大学 | Main shaft unloading device for multi-wire cutting machine and working method thereof |
-
2018
- 2018-06-15 CN CN201820944769.2U patent/CN208409571U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681100A (en) * | 2021-09-24 | 2021-11-23 | 燕山大学 | Main shaft unloading device for multi-wire cutting machine and working method thereof |
| CN113681100B (en) * | 2021-09-24 | 2022-07-01 | 燕山大学 | Main shaft unloading device for multi-wire cutting machine and working method thereof |
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