CN209077571U - A kind of indexing mechanism of needle cloth rotary head - Google Patents
A kind of indexing mechanism of needle cloth rotary head Download PDFInfo
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- CN209077571U CN209077571U CN201821631008.8U CN201821631008U CN209077571U CN 209077571 U CN209077571 U CN 209077571U CN 201821631008 U CN201821631008 U CN 201821631008U CN 209077571 U CN209077571 U CN 209077571U
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- bearing
- index dial
- dividing spindle
- rotary head
- gland
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Abstract
The utility model discloses a kind of indexing mechanisms of needle cloth rotary head, it is fixed on the end of its dividing spindle and the gland of the inner ring of corresponding first bearing press, it is pressed on the outside of the inner ring of second bearing with the step surface on dividing spindle, rotation stop is slided on dividing spindle between two bearings and is arranged with index dial seat, the both ends of index dial seat are pressed with the inner ring of two bearings respectively, the outer sheath of index dial seat is equipped with index dial, indexing disk cover is arranged on index dial seat, index dial is pressed abd fixed on the annular of the periphery projection of indexing disk cover and index dial seat between, cooperate on the outside of the outer ring of first bearing with the step surface of pedestal, the outer sheath of second bearing is equipped with the bearing gland fixed with pedestal, cooperate on the outside of the step surface of bearing gland and the outer ring of second bearing, the outer ring of first bearing and the step surface of pedestal are cooperated by corrugated gasket.Corrugated gasket applies pretightning force to the bearing of entire shafting, can continue to provide pretightning force, the clearance for excluding bearing can guarantee that bearing can work well.
Description
Technical field
The utility model relates to the angles in a kind of indexing mechanism of needle cloth rotary head, especially fixed angle indexing mechanism
The adjustment of the adjustable load of the end-play of contact ball bearing belongs to the technical field of bearing clearance adjustment.
Background technique
Aspect is manufactured in metallic card clothing product, rushes rotary head that tooth the is used machining tool important as one of them,
The accuracy of cutterhead cutter tooth indexing directly affects the performance and grade of metallic card clothing product.Its rotation of the indexing mechanism good as one
Turning positioning accuracy is to examine the major criterion of mechanism quality, however the clearance of critical component angular contact ball bearing therein adjusts
The even more most important thing.It is usually to manufacture gasket to pass through spacer thickness tune in previous indexing mechanism middle (center) bearing end-play adjustment
Whole, this method of adjustment wants that reaching suitable pretightning force is difficult, and generally can not all provide lasting pretightning force, it cannot be guaranteed that bearing
There is no clearance.Especially for the indexing mechanism of different rotating speeds and magnitude of load, it more difficult to accomplish to adjust at any time, can not sufficiently send out
The performance for waving angular contact ball bearing belongs to the difficult point of the design and manufacture of the indexing mechanism.
Utility model content
The purpose of the utility model is to provide a kind of indexing mechanisms of needle cloth rotary head, to solve to index in the prior art
The adjustment of mechanism middle (center) bearing end-play is difficult the problem of always existing pretightning force.
In order to achieve the goal above, the utility model adopts the following technical solution: a kind of dividing engine of needle cloth rotary head
Structure, including dividing spindle are arranged at intervals with the first, second two bearings on dividing spindle, be fixed on the end of dividing spindle with it is corresponding
First bearing inner ring press gland, pressed with the step surface on dividing spindle on the outside of the inner ring of second bearing, on dividing spindle
Rotation stop is slided between two bearings and is arranged with index dial seat, and the both ends of index dial seat are pressed with the inner ring of two bearings respectively, indexing
The outer sheath of disk seat is equipped with index dial, is arranged with indexing disk cover on index dial seat, index dial be pressed abd fixed on indexing disk cover and
For the annular of the periphery projection of index dial seat between, first bearing outer sheath is equipped with pedestal, the outer ring outside of first bearing and bottom
The step surface cooperation of seat, the outer sheath of second bearing are equipped with the bearing gland fixed with pedestal, the step surface of bearing gland and the
Cooperation on the outside of the outer ring of two bearings, the outer ring of first bearing and the step surface of pedestal are cooperated by corrugated gasket.
The bearing is angular contact bearing.
The corrugated gasket is uniform corrugated in the circumferential.
The gland has cylindrical body and by the closed sealing plate of a port of cylindrical body, and the cylindrical body of gland is arranged
It is fixed on dividing spindle on the end of dividing spindle and through sealing plate.
The sealing plate is by passing through sealing plate and the screw that screws in dividing spindle is fixed on dividing spindle.
The index dial is pressed abd fixed on the ring of the periphery projection of indexing disk cover and index dial seat by bolt structure
For shape between, bolt structure screws in index dial lid after sequentially passing through annular convex edge and index dial.
The index dial seat slides rotation stop by flat key and is set on dividing spindle, is offered on the dividing spindle for flat
The groove that key is put into is provided with the through slot being slidably matched with flat key on the index dial seat.
Rotary seal ring is provided on the outside of second bearing between the bearing gland and dividing spindle.
The utility model applies pretightning force by bearing of the corrugated gasket to entire shafting, excludes the clearance of bearing, improves
The positioning accuracy of bearing can continue to provide pretightning force, it is ensured that bearing can work well.
The corrugated gasket of the utility model is uniform corrugated in the circumferential, can uniformly provide axial force, is guaranteed
Bearing clearance can reliably be eliminated.
Rotary seal ring is provided on the outside of second bearing between the bearing gland and dividing spindle of the utility model, it can be with
The dust seal of implementation mechanism.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment.
Specific embodiment
A kind of embodiment of the indexing mechanism of needle cloth rotary head is arranged at intervals with two in Fig. 1 on dividing spindle 1
Bearing, first bearing 2 and second bearing 3, wherein first bearing 2 is in the end point of dividing spindle 1, and two bearings are to be arranged indirectly
, two bearings have angular contact bearing, and the inner ring of two bearings is set on dividing spindle 1, and wherein the inner ring of second bearing 3 is outer
Step surface on side and dividing spindle 1, which presses, to be cooperated, and the outside of so-called second bearing 3 refers to the side far from first bearing 2,
It is provided with gland 4 on the end of dividing spindle 1, gland 4 has cylindrical body and by the closed sealing plate in the end of cylindrical body, gland
4 cylindrical body is set on the end of dividing spindle 1, and the end face of sealing plate and dividing spindle 1 is fixed with merga pass screw, and screw passes through
Sealing plate simultaneously screws in dividing spindle, and screw here is sunk screw, and the counterbore sunk to for the top cap of screw is provided in sealing plate.Cylinder
The open end of shape body and the inner ring of first bearing 2 press and cooperate.Rotation stop is slided between two bearings on dividing spindle 1 to be arranged with point
Dial sheet 5, index dial seat 5 slide rotation stop by flat key 6 and are set on dividing spindle 1, offer on dividing spindle 1 and put for flat key 6
The groove entered is provided with the through slot being slidably matched with flat key 6 on the inner hole wall of index dial seat 5.Distinguish at the both ends of index dial seat 5
It is pressed with the inner ring of two bearings.It is equipped with index dial 7 in the outer sheath of index dial seat 5, is also arranged with index dial on index dial seat 5
Lid 8, index dial 7 are pressed abd fixed on the annular of the periphery projection of indexing disk cover 8 and index dial seat 5 between 9, and index dial 7 is
The annular between 9 of the periphery projection of indexing disk cover 8 and index dial seat 5, screw are pressed abd fixed on by bolt structure 10
Structure 10 screws in index dial lid 8 after sequentially passing through annular convex edge 9 and index dial 7, thus realize index dial 7 indexing disk cover 8 with
Between annular convex edge 9.Pedestal 11 is equipped in 2 outer sheath of first bearing, on the outside of the outer ring of first bearing 2 and on 11 inner hole wall of pedestal
Step surface press cooperation, refer to the outer ring of first bearing 2 far from second bearing on the outside of the outer ring of so-called first bearing 2
Side.It is equipped with bearing gland 12 in the outer sheath of second bearing 3, the step surface and second bearing on 12 inner hole wall of bearing gland
The outside of outer ring cooperates, and pedestal 11 upwardly extends and is index dial encirclement extend at bearing gland 12 and and bearing
Gland 12 is fixed.Above structure is as structure in the prior art.
Corrugated gasket 13 is provided between the outer ring of first bearing 2 and the step surface of pedestal 11, the two passes through ripple pad
The press cooperation of piece 13.Corrugated gasket 13 is uniform corrugated in the circumferential, that is, is being circumferentially the structure to rise and fall, and wave
Spike paddy is uniformly arranged, and corrugated gasket is a kind of gasket in the prior art, belongs to commercially available part, and the presence of corrugated gasket is real
It is being axially that there is lasting pressing force in bearing, can reliably eliminating bearing clearance.
The outside of second bearing 3 is provided with rotary seal ring 14 between bearing gland 12 and dividing spindle 1, time here
Turn sealing ring U-shaped sealing ring.
Bearing in the present embodiment is angular contact bearing, or other kinds of bearing in the prior art,
Corrugated gasket in the present embodiment is uniform corrugated in the circumferential, is also possible to unevenness in other embodiments
Even corrugated.
Gland in the present embodiment has cylindrical body and by the closed sealing plate of a port of cylindrical body, is also possible to cylinder
Shape, bolt structure is set directly on circumferential surface and is fixed with dividing spindle.
The periphery that index dial in the present embodiment is pressed abd fixed on indexing disk cover and index dial seat by bolt structure is convex
If annular between, bolt structure screws in index dial lid after sequentially passing through annular convex edge and index dial, can also pass through ability
The vertical other way of the technical staff in domain realizes compression of the index dial in indexing disk cover and annular between.
Index dial seat in the present embodiment slides rotation stop by flat key and is set on dividing spindle, opens up on the dividing spindle
There is the groove being put into for flat key, is provided with the through slot being slidably matched with flat key on the index dial seat, spline can also be passed through
Etc. structures realize index dial seat on dividing spindle sliding rotation stop setting.
Rotary seal ring is provided on the outside of second bearing between bearing gland and dividing spindle in the present embodiment, at it
Rotary seal ring or setting O shape or Y sealing ring can also be not provided in his embodiment.
The specific embodiment that above-described embodiment provides with reference to the accompanying drawings is not the actual protection scope of the utility model,
The model of the utility model protection is also belonged to the technical solution that the technical characteristic of the specific embodiment is equivalently replaced
It encloses.
Claims (8)
1. a kind of indexing mechanism of needle cloth rotary head, including dividing spindle, first, second liang of axis is arranged at intervals on dividing spindle
Hold, be fixed on the end of dividing spindle with the gland of the inner ring of corresponding first bearing press, on the outside of the inner ring of second bearing with
Step surface press on dividing spindle slides rotation stop on dividing spindle between two bearings and is arranged with index dial seat, and the two of index dial seat
End is pressed with the inner ring of two bearings respectively, and the outer sheath of index dial seat is equipped with index dial, is arranged with indexing disk cover on index dial seat,
It is characterized by: index dial is pressed abd fixed on the annular of the periphery projection of indexing disk cover and index dial seat between, first axle
Outer sheath is held equipped with pedestal, is cooperated on the outside of the outer ring of first bearing with the step surface of pedestal, the outer sheath of second bearing be equipped with
Cooperate on the outside of the fixed bearing gland of pedestal, the step surface of bearing gland and the outer ring of second bearing, the outer ring of first bearing with
The step surface of pedestal is cooperated by corrugated gasket.
2. the indexing mechanism of needle cloth rotary head according to claim 1, it is characterised in that: the bearing is angular contact
Bearing.
3. the indexing mechanism of needle cloth rotary head according to claim 1 or 2, it is characterised in that: the corrugated gasket
It is in the circumferential uniform corrugated.
4. the indexing mechanism of needle cloth rotary head according to claim 3, it is characterised in that: the gland has tubular
Body and by the closed sealing plate of a port of cylindrical body, the cylindrical body of gland is set on the end of dividing spindle and passes through sealing plate
It is fixed on dividing spindle.
5. the indexing mechanism of needle cloth rotary head according to claim 4, it is characterised in that: the sealing plate by across
The sealing plate and screw screwed in dividing spindle is fixed on dividing spindle.
6. the indexing mechanism of needle cloth rotary head according to claim 5, it is characterised in that: the index dial passes through spiral shell
Pin structure is pressed abd fixed on the annular of the periphery projection of indexing disk cover and index dial seat between, and bolt structure sequentially passes through ring
Index dial lid is screwed in behind shape convex edge and index dial.
7. the indexing mechanism of needle cloth rotary head according to claim 1, it is characterised in that: the index dial seat passes through
Flat key sliding rotation stop is set on dividing spindle, and the groove being put into for flat key, the index dial are offered on the dividing spindle
The through slot being slidably matched with flat key is provided on seat.
8. the indexing mechanism of needle cloth rotary head according to claim 1, it is characterised in that: the bearing gland with point
Rotary seal ring is provided on the outside of second bearing between degree axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821631008.8U CN209077571U (en) | 2018-10-09 | 2018-10-09 | A kind of indexing mechanism of needle cloth rotary head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821631008.8U CN209077571U (en) | 2018-10-09 | 2018-10-09 | A kind of indexing mechanism of needle cloth rotary head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209077571U true CN209077571U (en) | 2019-07-09 |
Family
ID=67118503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821631008.8U Active CN209077571U (en) | 2018-10-09 | 2018-10-09 | A kind of indexing mechanism of needle cloth rotary head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209077571U (en) |
-
2018
- 2018-10-09 CN CN201821631008.8U patent/CN209077571U/en active Active
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