CN206925324U - Top lathe spindle in a kind of internal adjustable - Google Patents
Top lathe spindle in a kind of internal adjustable Download PDFInfo
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- CN206925324U CN206925324U CN201720341945.9U CN201720341945U CN206925324U CN 206925324 U CN206925324 U CN 206925324U CN 201720341945 U CN201720341945 U CN 201720341945U CN 206925324 U CN206925324 U CN 206925324U
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- major axis
- hole
- cylinder body
- master cylinder
- main shaft
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Abstract
It the utility model is related to lathe spindle top in a kind of internal adjustable, including adjusting major axis, top and main shaft, the described alignment of shafts is axially provided with through hole, adjustment major axis is installed in the through hole, positioning disk is cased with the middle part of described adjustment major axis, the positioning disk seals the opening of main shaft one end, the first locking nut is threaded with described adjustment major axis, the first locking nut one end is connected with positioning disk screw thread, described adjustment major axis one end is connected by double-direction thrust ball bearing with the Master cylinder body being slidably installed in through hole, the Master cylinder body one end is connected with top, the preposition chuck that main shaft one end is connected is run through in described through hole one end.Adjustment major axis of the present utility model can it is extend into through hole with threaded adjusting length, on the premise of lathe model is changed without deflecting increase axial processing length and a range of regulation can be carried out inside main shaft, and can precision centering.
Description
Technical field
Machining of Shaft-type Parts technical field is the utility model is related to, more particularly to lathe top in a kind of internal adjustable
Main shaft.
Background technology
Lathe is in working shaft-like part, when requirements are to be directed to common reference, the top positioning of generally use.It is existing to deposit
In problem：When lathe process uses top positioning, it is divided into two kinds of forms.A kind of is form of the lathe with tailstock, and this form exists
When processing the axial workpiece of different length, have to the stroke of tailstock different requirements (especially in production line, processing length difference
Larger different axial workpieces, especially prominent), to adapt to the tailstock stroke that different part lengths changes mark machine, cost is high
And structural stability remains to be discussed；Another kind is that slow-witted top, replacing different according to the operating mode of part to be processed is installed in chuck
Different length it is top, this way stays that top species is more, and slow-witted top using installation inside standard oild chuck
Space it is limited, centering also can not accurately ensure.(slow-witted top be commonly called as back dead centre).
The content of the invention
Technical problem to be solved in the utility model is to provide lathe spindle top in a kind of internal adjustable, in main shaft
The adjustment major axis of installation can it is extend into through hole with threaded adjusting length, on the premise of lathe model is changed without deflecting increase
Add axial processing length and a range of regulation can be carried out inside main shaft, and can precision centering；Can by guide sleeve
To carry out a range of guide effect and with cleaning out top function automatically, by change different guide sleeves come
Realize that radial dimension differs the processing of larger axial workpiece.
Technical scheme is used by the utility model solves its technical problem：Car top in a kind of internal adjustable is provided
Bed main shaft, including adjustment major axis, top and main shaft, the described alignment of shafts are axially provided with through hole, are provided with the through hole
Major axis is adjusted, is cased with positioning disk in the middle part of described adjustment major axis, the positioning disk seals the opening of main shaft one end, described adjustment
The first locking nut is threaded with major axis, the first locking nut one end is connected with positioning disk screw thread, described adjustment length
Axle one end is connected by double-direction thrust ball bearing with the Master cylinder body being slidably installed in through hole, and the Master cylinder body one end is connected with top,
The preposition chuck that main shaft one end is connected is run through in described through hole one end.
Supplemented as one kind to technical scheme described in the utility model, described top be provided with around tip is led
To set, taper hole is disposed with the bore openings of the guide sleeve.Guide sleeve can carry out a range of guide effect, by more
Different guide sleeves are changed to realize that radial dimension differs the processing of larger axial workpiece.
Supplemented as one kind to technical scheme described in the utility model, described adjustment major axis center is axially opened
There is the first pipeline, the first pipeline one end communicates with the cavity in Master cylinder body, and the inner hole wall of described guide sleeve corresponds to top
Apical location is provided with several gas holes, and the gas hole passes through the second pipeline for being set in guide sleeve and top interior setting
3rd pipeline communicates with the cavity in Master cylinder body.Gas hole is blown, and cleans out top function automatically.
Supplemented as one kind to technical scheme described in the utility model, described main shaft stretches out one end and the rotation of through hole
Adapter is connected, and the 4th pipeline communicated with the first pipeline is provided with the swivel joint.
Supplemented as one kind to technical scheme described in the utility model, described is top using carbide inserts top
Point.Its hardness and intensity are higher, wear-resistant.Top inlayed hard alloy can ensure top under the condition of work of big intensity
It is permanent not have to change.
Supplemented as one kind to technical scheme described in the utility model, described Master cylinder body one end passes through top envelope
Firmly, the other end of the Master cylinder body is sealed by cover plate, and described adjustment major axis extend into the set of one end in Master cylinder body through cover plate
There is spacer, double-direction thrust ball bearing is installed outside the spacer, described double-direction thrust ball bearing is connected with Master cylinder body inwall.
Supplemented as one kind to technical scheme described in the utility model, described double-direction thrust ball bearing one end passes through
Cover plate is withstood, and the second locking nut that the double-direction thrust ball bearing other end is threadedly coupled by adjusting on major axis is fixed.
As to technical scheme described in the utility model one kind supplement, described cover plate with adjustment major axis side wall it
Between be evenly arranged several O-ring seals.O-ring seal ensures the sealing in Master cylinder body.
Being supplemented as one kind to technical scheme described in the utility model, described main shaft one end is provided with connecting plate,
The connecting plate one end is connected by terminal pad with preposition chuck, and described through hole one end extends through connecting plate, terminal pad and preceding
Put chuck.
Supplemented as one kind to technical scheme described in the utility model, described adjustment major axis is close to through hole one end
Screw thread has been evenly arranged in side wall.Screw thread is used cooperatively with the first locking nut, and regulation adjusts major axis, and it is extend into through hole
Length, so as to adjust top position.
Beneficial effect：It the utility model is related to lathe spindle top in a kind of internal adjustable, the adjustment installed in main shaft
Major axis can it is extend into through hole with threaded adjusting length, the deflecting increase axially processing on the premise of lathe model is changed without
Length and a range of regulation can be carried out inside main shaft, and can precision centering；It can be carried out necessarily by guide sleeve
In the range of guide effect and also with cleaning out top function automatically, realize radial ruler by changing different guide sleeves
The processing of the larger axial workpiece of very little difference；The utility model can not only meet the normal process of axial workpiece but also structure letter
It is single, it is easily manufactured, feasibility is high, occupy little space, applicability is high, adjustment axial location is simple and easy；It can be applicable to production line
In, when processing high-volume, multiple types axial workpiece, effect is especially prominent.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial enlarged drawing at the A shown in the utility model Fig. 1；
Fig. 3 is the partial enlarged drawing at the B shown in the utility model Fig. 1.
Diagram：1st, swivel joint, 2, adjustment major axis, the 3, first locking nut, 4, positioning disk, 5, cover plate, 6, Master cylinder body, 7,
Double-direction thrust ball bearing, 8, spacer, the 9, second locking nut, 10, top, 11, guide sleeve, 12, connecting plate, 13, preposition chuck,
14th, terminal pad, the 15, second pipeline, the 16, the 3rd pipeline, 17, the axial workpiece of generation processing, 18, main shaft, 19, through hole, 20, first
Pipeline, the 21, the 4th pipeline, 22, screw thread.
Embodiment
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it is to be understood that reading the content of the utility model instruction
Afterwards, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall within this Shen
Please appended claims limited range.
Embodiment of the present utility model is related to lathe spindle top in a kind of internal adjustable, as Figure 1-3, including
Adjustment major axis 2, top 10 and main shaft 18, the described center of main shaft 18 are axially provided with through hole 19, are provided with the through hole 19
Major axis 2 is adjusted, the described middle part of adjustment major axis 2 is cased with positioning disk 4, and the positioning disk 4 seals the opening of the one end of main shaft 18, described
Adjustment major axis 2 on be threaded with the first locking nut 3, the one end of the first locking nut 3 is connected with the screw thread of positioning disk 4, institute
The adjustment one end of major axis 2 stated is connected by double-direction thrust ball bearing 7 with the Master cylinder body 6 being slidably installed in through hole 19, the Master cylinder body 6
One end is connected with top 10, and the preposition chuck 13 that the one end of main shaft 18 is connected is run through in described one end of through hole 19.
Described top 10 are provided with guide sleeve 11 around tip, and cone is disposed with the bore openings of the guide sleeve 11
Hole.
The described center of adjustment major axis 2 is axially provided with the first pipeline 20, in the one end of the first pipeline 20 and Master cylinder body 6
Cavity communicate, the apical location that the inner hole wall of described guide sleeve 11 corresponds to top 10 is provided with several gas holes, and this blows
Stomata passes through the second pipeline 15 set in guide sleeve 11 and the 3rd pipeline 16 set in top 10 and the chamber in Master cylinder body 6
Body phase is led to.
One end that described main shaft 18 stretches out through hole 19 is connected with swivel joint 1, is provided with the swivel joint 1 and first
The 4th pipeline 21 that pipeline 20 communicates.
Described top 10 use carbide-tipped center.
Described one end of Master cylinder body 6 is sealed by top 10, and the other end of the Master cylinder body 6 is sealed by cover plate 5, described
Adjustment major axis 2 is cased with spacer 8 through one end that cover plate 5 is extend into Master cylinder body 6, and two-way thrust ball axle is provided with outside the spacer 8
7 are held, described double-direction thrust ball bearing 7 is connected with the inwall of Master cylinder body 6.
Described one end of double-direction thrust ball bearing 7 is withstood by cover plate 5, and the other end of double-direction thrust ball bearing 7 passes through tune
The second locking nut 9 being threadedly coupled on whole major axis 2 is fixed.
Several O-ring seals have been evenly arranged between described cover plate 5 and the side wall for adjusting major axis 2.
Described one end of main shaft 18 is provided with connecting plate 12, and the one end of connecting plate 12 passes through terminal pad 14 and preposition chuck 13
It is connected, described one end of through hole 19 extends through connecting plate 12, terminal pad 14 and preposition chuck 13.
Described adjustment major axis 2 has been evenly arranged screw thread 22 in the side wall of the one end of through hole 19.
Embodiment
After the axial workpiece 17 of present age processing sequentially passes through preposition chuck 13, terminal pad 14 and connecting plate 12, by being oriented to
Auto-strengthening under the guide effect of set 11, the end-face central hole of the axial workpiece 17 of generation processing are contacted and are close to top 10, axle
Completed to positioning, the preposition Clamp blocks of chuck 13 are processed.
When changing axial workpiece species, different guide sleeves are changed to realize that radial dimension differs larger axial workpiece
Processing, then the first locking nut 3 unclamps, and the outer cubic flat place of milling of adjustment major axis 2 is twisted with spanner, in the internal thread of positioning disk 4
With adjusting major axis 2 forward in the presence of the screw thread 22 outside adjustment major axis 2 or being moved rearwards, gland 5, Master cylinder body 6, bidirectional propulsion
Ball bearing 7, spacer 8, the second locking nut 9 combine together.
When adjusting the forward movement of major axis 2, adjustment major axis 2 shaft shoulder promotes double-direction thrust ball bearing 7 to move forward, Bidirectional pulling
Power ball bearing 7 promote Master cylinder body 6 move forward, Master cylinder body 6 drive gland 5 promote top 10 and guide sleeve 11 move forward to conjunction
Put right position；When adjustment major axis 2 is moved rearwards, the second locking nut 9 pulls spacer 8, and spacer 8 pulls double-direction thrust ball bearing 7
And gland 5 is moved rearwards, gland 5 pull Master cylinder body 6 be moved rearwards, Master cylinder body 6 pull top 10 and guide sleeve 11 be moved rearwards
To correct position；Adjustment major axis 2 is forward or after moving backward to correct position, and the first locking nut 3 is locked, then can
Carry out the normal process of part.
When lathe spindle rotates, compressed air enters frock from the 4th pipeline 21 of swivel joint 1, and compressed air is successively
By the 4th pipeline 21, the first pipeline 20, the 3rd pipeline 16, the second pipeline 15, finally come out from gas hole, guide sleeve 11 is anterior
Taper hole have gas hole at the three of axle guide effect and inside can be carried out by cleaning to top 10 working position and prevent iron
The dirts such as bits influence axially position precision.
Adjustment major axis 2 of the present utility model can it is extend into through hole 19 with threaded adjusting length, be changed without lathe
Deflecting increases axial processing length and a range of regulation can be carried out inside main shaft on the premise of model, and can be accurate
Centering；It can carry out a range of guide effect by guide sleeve 11 and carry to clean out top function automatically,
Realize that radial dimension differs the processing of larger axial workpiece by changing different guide sleeves 11；The utility model can not only expire
The normal process of sufficient axial workpiece and simple in construction, it is easily manufactured, feasibility is high, occupy little space, applicability is high, adjustment axle
It is simple and easy to position；It can be applicable in production line, when processing high-volume, multiple types axial workpiece, effect is especially prominent.
Claims (10)
1. top lathe spindle in a kind of internal adjustable, including adjustment major axis (2), top (10) and main shaft (18), its feature
It is：Described main shaft (18) center is axially provided with through hole (19), and adjustment major axis (2), institute are provided with the through hole (19)
Positioning disk (4) is cased with the middle part of the adjustment major axis (2) stated, the positioning disk (4) seals the opening of main shaft (18) one end, described tune
The first locking nut (3) is threaded with whole major axis (2), the first locking nut (3) one end and positioning disk (4) screw thread phase
Even, described adjustment major axis (2) one end passes through double-direction thrust ball bearing (7) and the interior Master cylinder body (6) being slidably installed of through hole (19)
It is connected, Master cylinder body (6) one end is connected with top (10), before described through hole (19) one end is connected through main shaft (18) one end
Put chuck (13).
2. top lathe spindle in a kind of internal adjustable according to claim 1, it is characterised in that：Described is top
(10) guide sleeve (11) is installed around tip, taper hole is disposed with the bore openings of the guide sleeve (11).
3. top lathe spindle in a kind of internal adjustable according to claim 2, it is characterised in that：Described adjustment length
Axle (2) center is axially provided with the first pipeline (20), and the first pipeline (20) one end communicates with the cavity in Master cylinder body (6),
The apical location that the inner hole wall of described guide sleeve (11) corresponds to top (10) is provided with several gas holes, and the gas hole passes through
In the 3rd pipeline (16) and Master cylinder body (6) set in the second pipeline (15) set in guide sleeve (11) and top (10)
Cavity communicates.
4. top lathe spindle in a kind of internal adjustable according to claim 3, it is characterised in that：Described main shaft
(18) one end for stretching out through hole (19) is connected with swivel joint (1), is provided with and the first pipeline (20) phase in the swivel joint (1)
The 4th logical pipeline (21).
5. top lathe spindle in a kind of internal adjustable according to claim 1, it is characterised in that：Described is top
(10) carbide-tipped center is used.
6. top lathe spindle in a kind of internal adjustable according to claim 1, it is characterised in that：Described Master cylinder body
(6) one end is sealed by top (10), and the other end of the Master cylinder body (6) is sealed by cover plate (5), described adjustment major axis (2)
The one end being extend into through cover plate (5) in Master cylinder body (6) is cased with spacer (8), and double-direction thrust ball bearing is provided with outside the spacer (8)
(7), described double-direction thrust ball bearing (7) is connected with Master cylinder body (6) inwall.
7. top lathe spindle in a kind of internal adjustable according to claim 6, it is characterised in that：Described Bidirectional pulling
Power ball bearing (7) one end is withstood by cover plate (5), and double-direction thrust ball bearing (7) other end is by adjusting screw thread on major axis (2)
The second locking nut (9) of connection is fixed.
8. top lathe spindle in a kind of internal adjustable according to claim 6 or 7, it is characterised in that：Described lid
Several O-ring seals have been evenly arranged between the side wall of plate (5) and adjustment major axis (2).
9. top lathe spindle in a kind of internal adjustable according to claim 1, it is characterised in that：Described main shaft
(18) one end is provided with connecting plate (12), and connecting plate (12) one end is connected by terminal pad (14) with preposition chuck (13), institute
Through hole (19) one end stated extends through connecting plate (12), terminal pad (14) and preposition chuck (13).
10. top lathe spindle in a kind of internal adjustable according to claim 1, it is characterised in that：Described adjustment
Major axis (2) has been evenly arranged screw thread (22) in the side wall of through hole (19) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720341945.9U CN206925324U (en) | 2017-04-01 | 2017-04-01 | Top lathe spindle in a kind of internal adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720341945.9U CN206925324U (en) | 2017-04-01 | 2017-04-01 | Top lathe spindle in a kind of internal adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206925324U true CN206925324U (en) | 2018-01-26 |
Family
ID=61350554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720341945.9U Active CN206925324U (en) | 2017-04-01 | 2017-04-01 | Top lathe spindle in a kind of internal adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206925324U (en) |
-
2017
- 2017-04-01 CN CN201720341945.9U patent/CN206925324U/en active Active
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