CN109822363A - One kind walking scheming and lengthens guide sleeve device - Google Patents
One kind walking scheming and lengthens guide sleeve device Download PDFInfo
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- CN109822363A CN109822363A CN201910195287.0A CN201910195287A CN109822363A CN 109822363 A CN109822363 A CN 109822363A CN 201910195287 A CN201910195287 A CN 201910195287A CN 109822363 A CN109822363 A CN 109822363A
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- 238000005096 rolling process Methods 0.000 claims description 38
- 238000007514 turning Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000004323 axial length Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000002173 cutting fluid Substances 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000010730 cutting oil Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
Scheming, which is walked, the invention discloses one kind lengthens guide sleeve device, belong to numerically controlled lathe technical field, its key points of the technical solution are that include and walk extension sleeve that scheming main shaft is fixedly and coaxially connected, with extension sleeve far from walking the coaxially connected guide sleeve in scheming main shaft one end and be fixedly connected on away the fixing seat of scheming rack, the guide sleeve is rotationally connected with fixing seat, the extension sleeve and guide sleeve in axial sliding and radially fixed connection.The present invention has the effect of reducing abrasion of the guide sleeve to workpiece.
Description
Technical field
The present invention relates to numerically controlled lathe technical fields, more specifically, it relates to which one kind, which walks scheming, lengthens guide sleeve device.
Background technique
It is existing walk scheming in the market, for movable guide bush, this technology possesses some special knowledge always, makes guide sleeve and main shaft etc.
Speed rotation, to make workpiece and guide sleeve constant velocity rotation, makes to produce relative rotation between the two, movable guide bush solves instantly
It is walked while there is material problem not easy to be processed when scheming is processed when processing part for elongate articles in the market, reduces and lead
Cover the abrasion to workpiece surface.
Currently, the Chinese invention patent that notification number is CN208358294U discloses a kind of activity for walking in scheming and leads
Covering device, including for being mounted on away on scheming lathe bed column, be arranged on column for help workpiece movable guide bush and
Motor on column for driving the mandrel of movable guide bush to rotate is set, is provided with first through its two sides on the column
Through-hole, the movable guide bush are fixed in first through hole, and the mandrel of the movable guide bush is used for same with the main shaft of walking scheming
Step rotation.
Prior art among the above have the following deficiencies: the revolving speed of guide sleeve by the motor control of driving movable guide bush,
And the revolving speed of workpiece is controlled by spindle box, being difficult to realize for two independent motors is fully synchronized, because the speed of mainshaft is accelerated, carefully
Micro- fluctuation of speed, which will lead to workpiece and guide sleeve, will occur biggish relative rotation angle, relatively rotate workpiece and guide sleeve, into
And workpiece surface is caused to wear.
Summary of the invention
Scheming is walked it is an object of that present invention to provide one kind and lengthens guide sleeve device, slides extension sleeve and guide sleeve simultaneously in axial
And radially fixed connection, to achieve the purpose that reduce abrasion of the guide sleeve to workpiece.
The present invention to achieve the goals above, provide following technical solution: walk scheming and lengthen guide sleeve device by one kind, including
With walk extension sleeve that scheming main shaft is fixedly and coaxially connected, with extension sleeve far from walking the coaxially connected guide sleeve in scheming main shaft one end
With the fixing seat for being fixedly connected on away scheming rack, the guide sleeve is rotationally connected with fixing seat, and the extension sleeve is in guide sleeve
Axial sliding and radially fixed connection.
Extension sleeve is sequentially passed through by using the other end of above-mentioned technical proposal, one end of main shaft clamping workpiece, workpiece
And guide sleeve, it is stretched out from the other end of guide sleeve device；When processing to workpiece, the main shaft for walking scheming drives workpiece rotation, because
Guide sleeve is radially fixedly connected by extension sleeve with main shaft, so guide sleeve rotation is driven by extension sleeve when main axis, into
And make guide sleeve and workpiece with equal rotational speed, so will not relatively rotate between workpiece and guide sleeve, finally reach
Reduce guide sleeve to the purpose of the abrasion of workpiece.
The present invention is further arranged to: being connected between the extension sleeve and guide sleeve by setting ball Sliding Structures, institute
Stating ball Sliding Structures includes ball spout, ball mounting groove and sliding ball, and the ball spout and ball mounting groove are distinguished
It is opened in extension sleeve and guide sleeve, the sliding ball half is placed in ball mounting groove, the other half is placed in ball spout,
The ball spout length direction is axially arranged along extension sleeve.
By using above-mentioned technical proposal, when walking scheming spindle box workpiece being driven to move axially, extension sleeve with lead
Relative sliding is covered, sliding ball is rolled in ball spout, and then reduces frictional force between the two；And utilize sliding ball
Torque is transmitted, because sliding ball is in spherical, the pressure that surface is received will separate on its surface, and then result in sliding rolling
Pearl can bear bigger pressure and be hardly damaged, and ball Sliding Structures is allow to transmit bigger torque, to adapt to away the heart
Owner's axis accelerates and emergency stop.
The present invention is further arranged to: the extension sleeve is coaxially placed on guide sleeve, and the ball spout is opened in flexible
Sleeve lining, the ball mounting groove are opened in guide sleeve close to extension sleeve one end.
If ball spout is opened on guide sleeve, the part that guide sleeve offers ball spout cannot be pasted with to fixing seat
It closes, while the stability in order to guarantee guide sleeve Yu fixing seat rotational structure, needs to increase the length of guide sleeve, so as to cause workpiece
The extended length of tailing, and then lead to the waste to process raw material, production cost is improved, it, can by using above-mentioned technical proposal
With the shorter guide sleeve of length, to keep the tailing of workpiece shorter, and then achievees the purpose that save and process raw material.
The present invention is further arranged to: there are three the ball spouts and is circumferentially opened in extension sleeve inner wall, described
Ball mounting groove also there are three and be circumferentially opened in guide sleeve outer wall, be placed in each ball mounting groove a sliding rolling
Pearl.
By using above-mentioned technical proposal, guide sleeve and extension sleeve are limited using two sliding balls, are being driven
While torque, always it is arranged coaxially extension sleeve and guide sleeve.
The present invention is further arranged to: the retractable guide sleeve include and walk outer cylinder that scheming main shaft is fixedly and coaxially connected and with
The inner cylinder of guide sleeve connection, the inner cylinder is coaxially placed through in outer cylinder and the two axially sliding connection.
By using above-mentioned technical proposal, limitation of the guide sleeve device to scheming spindle box axial direction slipping space is walked is reduced,
The longer workpiece of axial length can be processed；Do not increasing limitation of the guide sleeve device to scheming spindle box axial direction slipping space is walked
When, it also can reduce guide sleeve device minimum length, and then achieved the purpose that reduce workpiece tailing length.
The present invention is further arranged to: the outer tube side wall offers multiple sliding slots, the both ends of the sliding slot along its axial direction
Closing, the inner cylinder are fixedly connected with the sliding block being adapted to sliding slot close to one end of outer cylinder.
Inner barrel and outer barrel point is avoided using the skidding distance of sliding block limitation extension sleeve by using above-mentioned technical proposal
From, and utilize the torque between sliding block transmitting outer cylinder and inner cylinder.
The present invention is further arranged to: there are two rolling bearing, two rolling bearing positions for installation in the fixing seat
In the both ends of fixing seat, the inner ring of the guide sleeve outer wall and rolling bearing is contradicted.
By using above-mentioned technical proposal, reduce the frictional force between guide sleeve and fixed sitting block using two rolling bearings,
Reduce and need the torque that transmits, using the both ends of two rolling bearings stable guide sleeve respectively, increases its ability for overcoming radial force,
A possibility that reducing guide sleeve radial deflection, provides more stable support for workpiece using guide sleeve, and then keep workpiece
Straightness reduces the degree of workpiece bows, has been finally reached raising machining accuracy.
The present invention is further arranged to: the guide sleeve includes sliding sleeve and turning set, and the two is fixedly and coaxially connected, described
Turning set outer wall is bonded with the inner ring of rolling bearing, and the fixing seat coaxially offers the appearance of annular close to one end of extension sleeve
Receive cavity, the path of the accommodating cavity is greater than rolling bearing outer diameter, and the minimum spacing between the rolling bearing and sliding sleeve is small
In the length of extension sleeve.
By using above-mentioned technical proposal, the connection of guide sleeve and extension sleeve is realized using sliding sleeve, and guide sleeve device is received
When contracting, extension sleeve can be retracted into accommodating cavity, to further decrease the minimum range of guide sleeve device, reach reduction
The purpose of workpiece tailing length.
The present invention is further arranged to: the fixing seat includes being fixedly connected on away the fixed cylinder of scheming rack and being set to
The end cap at fixed cylinder both ends, the installation cavity for accommodating rolling bearing is offered in the fixed cylinder, and two end caps support respectively
It touches in the end face of rolling bearing, the fixing seat outer wall offers the oil duct being connected to installation cavity.
By using above-mentioned technical proposal, cutting oil is accommodated into oil duct, under the action of playing lubrication to rolling bearing,
And it can act on workpiece, play the role of lubrication and cooling down workpiece.
The present invention is further arranged to: guide ring is fixedly connected in the fixing seat, the guide ring wall coaxial is opened
If the annular groove runner bottom wall circumferentially offers multiple first runners for being directed toward the center of circle, the guide ring there are two annular groove runner
Both ends side wall offers the second flow channel being connected to first runner, and two rolling bearings contact at guide ring axial direction respectively
Both ends.
By using above-mentioned technical proposal, cutting fluid separately flows into annular groove runner from oil duct inflow, then again by the
One runner and second flow channel flow into rolling bearing, make more cutting fluid lubrication rolling bearings.
In conclusion the invention has the following advantages:
First, supporting work using guide sleeve, the torque of main shaft is transferred at sleeve by extension sleeve, when being processed to workpiece,
The main shaft for walking scheming drives workpiece rotation, and main axis makes to drive guide sleeve rotation by extension sleeve, and then makes guide sleeve and workpiece
With equal rotational speed, so will not relatively rotate between workpiece and guide sleeve, reduction guide sleeve has been finally reached to workpiece
Abrasion；
Second, transmitting torque using sliding ball, because sliding ball is in spherical, the pressure that surface is received will be on its surface
It separates, and then result in sliding ball to bear bigger pressure and be hardly damaged, transmits ball Sliding Structures
Bigger torque, to adapt to away the acceleration of scheming main shaft and emergency stop；
Third, allow extension sleeve to stretch using the inner barrel and outer barrel slid to axial, guide sleeve device is reduced to walking the heart
The limitation of owner's axle box axial direction slipping space, can process the longer workpiece of axial length；
Fourth, extension sleeve can stretch, and offer the accommodating cavity for accommodating extension sleeve in fixing seat, led to reduce
Covering device minimum length, and then achieved the purpose that reduce workpiece tailing length.
Detailed description of the invention
Fig. 1 is the perspective view of the present embodiment；
Fig. 2 is the structural schematic diagram that the present embodiment is used to show extension sleeve；
Fig. 3 is the explosive view that the present embodiment is used to show extension sleeve；
Fig. 4 is the sectional view that the present embodiment is used to show fixing seat；
Fig. 5 is the explosive view that the present embodiment is used to show sliding sleeve.
Appended drawing reference: 1, fixing seat；11, fixed cylinder；111, installation cavity；112, accommodating cavity；113, oil duct；12, it rolls
Dynamic bearing；13, drive end bearing bracket；131, upper shield；14, rear end cap；141, limiting slot；15, guide ring；151, annular groove runner；152,
One runner；153, second flow channel；2, guide sleeve；21, sliding sleeve；22, turning set；221, stop collar；3, extension sleeve；31, outer cylinder；
311, sliding slot；312, lightening hole；32, inner cylinder；321, sliding block；4, scheming column is walked；5, scheming main shaft is walked；6, ball sliding knot
Structure；61, ball spout；62, ball mounting groove；63, ball is slid.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment: one kind walking scheming and lengthens guide sleeve device, as depicted in figs. 1 and 2, including is fixedly connected on away scheming column
4 fixing seat 1, the guide sleeve 2 for being rotationally connected with fixing seat 1 and for connecting guide sleeve 2 and walking the extension sleeve 3 of scheming main shaft 5.
Extension sleeve 3, guide sleeve 2 and 5 three of scheming main shaft is walked in being coaxially set.3 one end of extension sleeve with to walk scheming main shaft 5 coaxial solid
Fixed connection, the other end and the axial sliding of guide sleeve 2 connect, while guide sleeve 2 is radially fixedly connected with extension sleeve 3.When work, walk
One end of 5 clamping workpiece of scheming main shaft, the other end of workpiece sequentially pass through extension sleeve 3 and guide sleeve 2, then from guide sleeve device
The other end stretch out and close to walk scheming knife rest, using on knife rest cutter cutting fixing seat 1 far from walk 5 one end of scheming main shaft
Workpiece.It walks scheming main shaft 5 and drives workpiece rotation, while walking the rotation of scheming main shaft 5 to make to drive 2 turns of guide sleeve by extension sleeve 3
It is dynamic, to make guide sleeve 2 and workpiece with equal rotational speed, so will not relatively rotate between workpiece and guide sleeve 2, finally
Achieve the purpose that reduce abrasion of the guide sleeve 2 to workpiece.When walking the axial movement of scheming spindle box to realize workpiece feeding, stretch
Contracting sleeve 3 and 2 Relative sliding of guide sleeve, to not influence the axial movement of workpiece.
As shown in Figures 2 and 3, extension sleeve 3 includes outer cylinder 31 and inner cylinder 32, and the one end of outer cylinder 31 far from fixing seat 1 is logical
It crosses bolt to be fixedly and coaxially connected in walking scheming main shaft 5,32 other end of inner cylinder is connect with guide sleeve 2 and the two is arranged coaxially.Outside
Cylinder 31 coaxially is placed on outside inner cylinder 32,31 side wall of outer cylinder along its axial direction open up there are two sliding slot 311, two sliding slots 311 are with outer cylinder
31 central axis is that symmetry axis is axisymmetricly arranged, and the both ends of sliding slot 311 are closing setting.Inner cylinder 32 close to walk the heart
The end face of owner's axis one end is bolted to connection there are two sliding block 321, and two opposite one end of sliding block 321 respectively extend into
Enter in two sliding slots 311.Sliding block 321 and sliding slot 311 are in sliding cooperation, so that outer cylinder 31 and inner cylinder 32 be allow to slide to axial
It moves and radially fixed, increases the extendable room of guide sleeve device, reduce guide sleeve device and slid to 5 casees axial directions of scheming main shaft are walked
The limitation in space can process the longer workpiece of axial length.It is slid not increasing guide sleeve device to 5 casees axial directions of scheming main shaft are walked
When the limitation in space, guide sleeve device minimum length also can reduce, and then achieved the purpose that reduce workpiece tailing length.To subtract
The weight of small outer cylinder 31 mitigates the load for walking scheming spindle box, opens up in 31 two sides side wall of outer cylinder there are two lightening hole 312.
As shown in figure 4, guide sleeve 2 includes sliding sleeve 21 and turning set 22, the two is fixedly and coaxially connected.Sliding sleeve 21 is in Flange-shaped Parts,
Its bigger diameter end close to extension sleeve 3 and the two it is coaxially connected.22 one end of turning set, which is worn, to be placed in the miner diameter end of sliding sleeve 21, sliding
The miner diameter end outer wall of set 21 circumferentially offers multiple counterbores, and the bolt connecting with 22 sidewall thread of turning set is provided in counterbore.
Turning set 22 and fixing seat 1 are rotatablely connected, and workpiece is placed through in turning set 22, are walked scheming main shaft 5 and are passed through extension sleeve 3 and sliding sleeve
21 transfer a torque to turning set 22, rotate synchronously turning set 22 and workpiece.
As shown in Figure 4 and Figure 5, inner cylinder 32 is placed on the bigger diameter end of sliding sleeve 21, passes through setting between sliding sleeve 21 and inner cylinder 32
Ball Sliding Structures 6 realize axial sliding between the two and radially fixed.Ball Sliding Structures 6 include ball spout 61,
Ball mounting groove 62 and sliding ball 63, there are three ball spouts 61 and is circumferentially opened in 32 inner wall of inner cylinder, ball spout 61
Length direction is along the axial setting of extension sleeve 3.Also there are three the sides of the circumferential bigger diameter end for being set to sliding sleeve 21 for ball mounting groove 62
Wall, there are three sliding balls 63 and is respectively placed in ball mounting groove 62, and sliding 63 half of ball is placed in ball mounting groove
In 62, the other half is placed in ball spout 61.When walking 5 casees drive workpiece of scheming main shaft and moving axially, extension sleeve 3 with
Guide sleeve 2 slides to axial, and sliding ball 63 is rolled in ball spout 61, and then reduces frictional force between the two.Ball
The radial section of sliding slot 61 is arc-shaped, thus increase 61 side wall of ball spout and slide the contact area between ball 63,
Torque is transmitted using sliding ball 63, because sliding ball 63 is in spherical, the pressure that surface is received will separate on its surface,
Bigger pressure can be born and be hardly damaged by resulting in sliding ball 63 in turn, transmit ball Sliding Structures 6 more
Big torque, to adapt to away the acceleration of scheming main shaft 5 and emergency stop.
Ball spout 61 can also be opened in the side wall of the bigger diameter end of sliding sleeve 21, ball mounting groove 62 is opened in inner cylinder
32 outer wall.But when being set as, need to increase the axial length of the bigger diameter end of sliding sleeve 21, so as to cause the length of guide sleeve 2
It is longer, lead to the extended length of the tailing of workpiece, and then lead to the waste to process raw material.Therefore preferably ball spout 61 is opened up
In 32 inner wall of inner cylinder, ball mounting groove 62 is opened in the side wall of the bigger diameter end of sliding sleeve 21.
As shown in figure 4, fixing seat 1 includes being fixedly connected on away the fixed cylinder 11 of scheming column 4 and being set to fixed cylinder 11
The end cap at both ends.Fixed cylinder 11 coaxially offers installation cavity 111, and installation cavity 111 runs through 11 axial ends of fixed cylinder.Peace
The axial both ends of dress cavity 111 are respectively equipped with rolling bearing 12, and the inner ring interference fit of turning set 22 and rolling bearing 12 utilizes
Rolling bearing 12 reduces the frictional force between turning set 22 and fixing seat 1.End cap includes drive end bearing bracket 13 and rear end cap 14, drive end bearing bracket
13 coaxially contact at fixed cylinder 11 close to one end of main shaft, and fixing seat 1 is arranged with upper shield 131 close to one end of drive end bearing bracket 13, set
Lid 131 is threadedly coupled with fixed cylinder 11.131 one end of upper shield is connect with the sidewall thread of fixed cylinder 11, and 131 other end of upper shield is to admittedly
11 central axis of safety barrel bends and contacts at 13 one end of drive end bearing bracket.Rear end cap 14 contacts at fixed cylinder 11 far from drive end bearing bracket 13
One end, and the two is bolted to connection.The opposite both ends of two rolling bearings 12 contact at drive end bearing bracket 13 with after respectively
The end face of end cap 14 utilizes the axial movement of end cap limitation rolling bearing 12.Rear end cap 14 is opened close to one end of rolling bearing 12
Limiting slot 141 equipped with annular, 22 wall coaxial of turning set are integrally formed the stop collar 221 of annular, stop collar 221 and limiting slot
141 adaptations, and stop collar 221 contacts at the inner ring end face side wall of rolling bearing 12.
In order to further decrease the minimum range of guide sleeve device, fixed cylinder 11 is coaxially opened up close to one end of extension sleeve 3
Have an accommodating cavity 112 of annular, the path of accommodating cavity 112 is greater than 12 outer diameter of rolling bearing, rolling bearing 12 and sliding sleeve 21 it
Between minimum spacing be less than extension sleeve 3 length.When guide sleeve device is shunk, extension sleeve 3 can retract into accommodating cavity 112
In, to further decrease the minimum range of guide sleeve device, achieve the purpose that reduce workpiece tailing length.
Guide ring 15 it has been fixedly and coaxially connected in fixing seat 1, guide ring 15 is in installation cavity 111, and is located at two
Between rolling bearing 12, the axial both ends of guide ring 15 contact at two rolling bearings 12 respectively.11 outer wall of fixed cylinder offers
The oil duct 113 being connected to installation cavity 111,15 wall coaxial of guide ring open up that there are two the annular groove runners that are connected to oil duct 113
151.Each 151 bottom wall of annular groove runner circumferentially offers multiple first runners 152 for being directed toward the center of circle, 15 both ends side wall of guide ring
It offers and first runner 152 to the second flow channel 153 being connected to.Cutting fluid is passed through in oil duct 113, cutting fluid is divided from oil duct 113
It then Liu Ru not be flowed into rolling bearing 12 by first runner 152 and second flow channel 153 again in two annular groove runners 151, also
There is part cutting oil to contact with workpiece, plays the role of lubrication and cooling down workpiece.
The implementation principle of the present embodiment are as follows: walk one end of 5 clamping workpiece of scheming main shaft, another section of workpiece, which sequentially passes through, to be stretched
Contracting sleeve 3 and guide sleeve 2 utilize the knife on knife rest then from the stretching of the other end of 2 device of guide sleeve and close to the knife rest for walking scheming
Tool cutting workpiece of the fixing seat 1 far from main shaft one end.It walks scheming main shaft 5 and drives workpiece rotation, while walking scheming main shaft 5 and rotating band
Dynamic outer cylinder 31 rotates, and outer cylinder 31 drives inner cylinder 32 to rotate by sliding block 321, and inner cylinder 32 drives 2 turns of guide sleeve by sliding ball 63
It is dynamic, to make guide sleeve 2 and workpiece with equal rotational speed, so will not relatively rotate between workpiece and guide sleeve 2, finally
Achieve the purpose that reduce abrasion of the guide sleeve 2 to workpiece.When walking scheming spindle box axial feed, inner cylinder 32 and outer cylinder 31 are axial right
To sliding, until sliding block 321 contacts at the left end of sliding slot 311, sliding ball 63 is located at 61 left end of ball spout, inner cylinder 32
It is placed in accommodating cavity 112 with outer cylinder 31,2 device axial length of guide sleeve is most short at this time.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. one kind walks scheming and lengthens guide sleeve device, it is characterised in that: including with walk that scheming main shaft (5) is fixedly and coaxially connected it is flexible
Sleeve (3), with extension sleeve (3) far from walking the coaxially connected guide sleeve (2) in scheming main shaft (5) one end and to be fixedly connected on away scheming
The fixing seat (1) of rack, the guide sleeve (2) are rotationally connected with fixing seat (1), and the extension sleeve (3) and guide sleeve (2) are in axial
Sliding and radially fixed connection.
2. one kind according to claim 1 walk scheming lengthen guide sleeve device, it is characterised in that: the extension sleeve (3) with
It is connected between guide sleeve (2) by setting ball Sliding Structures (6), the ball Sliding Structures (6) include ball spout (61), rolling
Pearl mounting groove (62) and sliding ball (63), the ball spout (61) and ball mounting groove (62) are opened in extension sleeve respectively
(3) it is placed in ball mounting groove (62) with guide sleeve (2), sliding ball (63) half, the other half is placed in ball spout
(61) in, ball spout (61) length direction is axially arranged along extension sleeve (3).
3. one kind according to claim 2 walks scheming and lengthens guide sleeve device, it is characterised in that: the extension sleeve (3) is same
Axle sleeve is placed in guide sleeve (2), and the ball spout (61) is opened in extension sleeve (3) inner wall, and the ball mounting groove (62) opens up
In guide sleeve (2) close to extension sleeve (3) one end.
4. one kind according to claim 3 walks scheming and lengthens guide sleeve device, it is characterised in that: the ball spout (61) has
Three and be circumferentially opened in extension sleeve (3) inner wall, the ball mounting groove (62) also there are three and be circumferentially opened in and lead
(2) outer wall is covered, is placed with a sliding ball (63) in each ball mounting groove (62).
5. one kind according to claim 1 walks scheming and lengthens guide sleeve device, it is characterised in that: retractable guide sleeve (2) packet
Include and walk the outer cylinder (31) that scheming main shaft (5) is fixedly and coaxially connected and the inner cylinder (32) connecting with guide sleeve (2), the inner cylinder (32)
It is coaxially placed through in outer cylinder (31) and the two axially slides connection.
6. one kind according to claim 5 walks scheming and lengthens guide sleeve device, it is characterised in that: outer cylinder (31) the side wall edge
Its axial direction offers multiple sliding slots (311), the sliding slot (311) it is closed at both ends, the inner cylinder (32) is close to outer cylinder (31)
One end is fixedly connected with the sliding block (321) being adapted to sliding slot (311).
7. one kind according to claim 1 walks scheming and lengthens guide sleeve device, it is characterised in that: peace in the fixing seat (1)
There are two rolling bearing (12), two rolling bearings (12) to be located at the both ends of fixing seat (1), guide sleeve (2) outer wall for dress
It is contradicted with the inner ring of rolling bearing (12).
8. one kind according to claim 7 walks scheming and lengthens guide sleeve device, it is characterised in that: the guide sleeve (2) includes sliding
(21) and turning set (22) are covered, and the two is fixedly and coaxially connected, turning set (22) outer wall is interior with rolling bearing (12)
Circle fitting, the fixing seat (1) coaxially offer the accommodating cavity (112) of annular, the appearance close to the one end of extension sleeve (3)
The path of cavity (112) received is greater than rolling bearing (12) outer diameter, between the minimum between the rolling bearing (12) and sliding sleeve (21)
Away from the length for being less than extension sleeve (3).
9. one kind according to claim 7 walks scheming and lengthens guide sleeve device, it is characterised in that: the fixing seat (1) includes
It is fixedly connected on away the fixed cylinder (11) of scheming rack and is set to the end cap at fixed cylinder (11) both ends, in the fixed cylinder (11)
The installation cavity (111) for accommodating rolling bearing (12) is offered, two end caps contact at the end of rolling bearing (12) respectively
Face, fixing seat (1) outer wall offer the oil duct (113) being connected to installation cavity (111).
10. one kind according to claim 7 walks scheming and lengthens guide sleeve device, it is characterised in that: solid in the fixing seat (1)
Surely it is connected with guide ring (15), guide ring (15) wall coaxial is opened up there are two annular groove runner (151), the annular groove runner
(151) bottom wall circumferentially offer it is multiple be directed toward the centers of circle first runners (152), guide ring (15) both ends side wall offer with
The second flow channel (153) of first runner (152) connection, it is axial that two rolling bearings (12) contact at guide ring (15) respectively
Both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195287.0A CN109822363A (en) | 2019-03-14 | 2019-03-14 | One kind walking scheming and lengthens guide sleeve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195287.0A CN109822363A (en) | 2019-03-14 | 2019-03-14 | One kind walking scheming and lengthens guide sleeve device |
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| Publication Number | Publication Date |
|---|---|
| CN109822363A true CN109822363A (en) | 2019-05-31 |
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ID=66869048
Family Applications (1)
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|---|---|---|---|
| CN201910195287.0A Pending CN109822363A (en) | 2019-03-14 | 2019-03-14 | One kind walking scheming and lengthens guide sleeve device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702551A (en) * | 2020-08-03 | 2020-09-25 | 广东台科智能装备有限公司 | Guide sleeve assembly of walking machine |
| CN113996822A (en) * | 2021-12-07 | 2022-02-01 | 湖北毅兴智能装备股份有限公司 | Three-section type synchronous guide sleeve device of walking machine |
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| CN209887112U (en) * | 2019-03-14 | 2020-01-03 | 津上精密机床（浙江）有限公司 | Walk quick-witted extension guide pin bushing device of heart |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111702551A (en) * | 2020-08-03 | 2020-09-25 | 广东台科智能装备有限公司 | Guide sleeve assembly of walking machine |
| CN113996822A (en) * | 2021-12-07 | 2022-02-01 | 湖北毅兴智能装备股份有限公司 | Three-section type synchronous guide sleeve device of walking machine |
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