CN209272492U - A kind of telescopic nitrogen is top - Google Patents
A kind of telescopic nitrogen is top Download PDFInfo
- Publication number
- CN209272492U CN209272492U CN201821913836.0U CN201821913836U CN209272492U CN 209272492 U CN209272492 U CN 209272492U CN 201821913836 U CN201821913836 U CN 201821913836U CN 209272492 U CN209272492 U CN 209272492U
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- nitrogen
- thimble
- ram
- telescopic
- expansion plate
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Abstract
The utility model belongs to technical field of lathe equipment, and it is top to refer in particular to a kind of telescopic nitrogen, including ram, and thimble expansion plate is slidably fitted in the ram, and the thimble expansion plate right end is connected with actuator, and actuator is fixed on ram one end by support plate；It is top that thimble expansion plate left end is connected with nitrogen, and the actuator drives thimble expansion plate, slides so that nitrogen is top along ram direction；The top nitrogen includes rolling center, rolling center one end is socketed with staight shank tapered sleeve, staight shank tapered sleeve is slidably arranged in graphite copper sheathing, graphite copper sheathing left end is provided with nitrogen gas spring, nitrogen gas spring one end and staight shank tapered sleeve are clamped, the graphite copper is set in thimble seat, and the thimble seat is fixed on thimble expansion plate one end；The utility model has many advantages, such as that structure is simple, easy to use, efficient work, long service life, flexible.
Description
Technical field
The utility model belongs to technical field of lathe equipment, and it is top to refer in particular to a kind of telescopic nitrogen.
Background technique
Top, the machine tool component in machining has stationary center and two kinds of rolling center.Stationary center can be multiple to end face
Miscellaneous part and the part of centering is not allowed to be supported.It is top mainly by thimble, clamping device, shell, fixed pin, axis
It holds and is formed with mandrel.Top one end can push up the inner hole of centre bore or materials in the tube, the other end can top end face be spherical or taper zero
Part, it is top to be fixed by clamping device.When part do not allow or can not centering when, can directly clamp turning with clamping device.
Shell and mandrel are drilled with pin hole, are entered or are removed with the pin of fixed pin, to realize that top life or death two is used.It is top to can also be used in workpiece
Drilling, set tooth and fraising.
General lathe is top be all it is fixed top, cannot automatically move, movement is interfered on the axial position of main shaft
Main shaft, influence work, and what general top inside was taken is all mechanical spring, and the elastic force of mechanical spring and service life are all non-
Often limited, normal work that cannot be permanent is easy to damage, increases the work of maintenance personal, cannot efficiently produce.
Summary of the invention
The purpose of the utility model is to provide a kind of structure is simple, easy to use, efficient work, can stretch at long service life
The telescopic nitrogen of contracting is top.
Purpose of the utility model is realized as follows:
As shown in Figs 1-4, a kind of telescopic nitrogen is top, including ram, and it is flexible that thimble is slidably fitted in the ram
Plate, the thimble expansion plate right end are connected with actuator, and actuator is fixed on ram one end by support plate；The thimble is flexible
It is top that plate left end is connected with nitrogen, and the actuator drives the top movement of nitrogen by thimble expansion plate.
As shown in Figure 5, it is preferable that the top nitrogen includes graphite copper sheathing, and graphite copper sheathing left end is provided with nitrogen gas spring,
Described nitrogen gas spring one end is connected with rolling center, and the rolling center is slidably arranged in graphite copper sheathing.
Preferably, the graphite copper is set in thimble seat, and the thimble seat is fixed on thimble expansion plate one end；It is described
Graphite copper sheathing end face is connected with nitrogen gas spring set, and the nitrogen gas spring setting is in nitrogen gas spring set.
Preferably, the thimble expansion plate right end is provided with benchmark boss.
As shown in Figure 6, it is preferable that backlash compensation wedge is provided in the ram, backlash compensation wedge right end is provided with
Liner plate adjustment block, the liner plate adjustment block are connect with ram.
Preferably, backlash compensation wedge side is equipped with oil-feed tank, and upper end is equipped with fuel feed hole, the fuel feed hole and oil inlet
Slot connection.
Preferably, staight shank tapered sleeve is socketed on the rolling center.
Preferably, movable sleeve is connected to scrap scraping plate on the thimble expansion plate, and the scrap scraping plate is fixed on ram end face.
Preferably, ram pressing plate is provided on the ram.
Preferably, dust-proof seal ring is provided in the graphite copper sheathing.
Compared with the prior art, the utility model has prominent and beneficial technical effects that:
1. current rolling center be all it is fixed, be fixed on lathe, when needing mobile, go to move manually, use
Get up unusual inconvenience, and the top pedestal of the utility model has been designed to flush type, the flexible structure of shell, with then oil cylinder
It is automatic to release to specified position, so that it may to work, use movement that is very convenient, while will not influence workpiece again.
2. the rolling center tail portion in market is all directly anchored on fixture, tail portion is no any buffer unit,
And the top of the utility model is that nitrogen is top, exactly top tail portion is mounted with a nitrogen device, which is can be
A stable reaction thrust is provided when workpiece withstands top to avoid damaging because of impact force to protect Finial device, is extended
Service life.
3. positioning device in the market is typically all that the telescopic location of machine is leaned on to position, generally there are fixed for the positioning method
Situations such as position inaccuracy, Yi Fasheng error, while overall structure and higher cost, and the utility model leans on face using benchmark
Mode position, which is not likely to produce error, while driving device is driven using oil cylinder,
Comparatively cost is relatively low, while structure is simple, easy to maintenance.
Detailed description of the invention
Fig. 1 is one of structural schematic diagram of the utility model；
Fig. 2 is the second structural representation of the utility model；
Fig. 3 is that the utility model removes the structural schematic diagram after ram pressing plate；
Fig. 4 is the structural schematic diagram of the telescopic device of the utility model；
Fig. 5 is the top structural schematic diagram of the nitrogen of the utility model；
Fig. 6 is the schematic diagram of the backlash compensation wedge of the utility model；
Meaning represented by figure label:
1- ram；11- support plate；12- backlash compensation wedge；121- oil-feed tank；122- fuel feed hole；13- liner plate adjustment block；
14- ram pressing plate；15- dust-proof seal ring；2- thimble expansion plate；21- benchmark boss；22- scrap scraping plate；3- actuator；4- nitrogen
It is top；41- rolling center；42- staight shank tapered sleeve；43- graphite copper sheathing；431- nitrogen gas spring set；44- nitrogen gas spring；45- thimble
Seat；
Specific embodiment
The utility model is further described combined with specific embodiments below:
As shown in Figs 1-4, a kind of telescopic nitrogen is top, including ram 1, is slidably fitted with thimble in the ram 1 and stretches
Contracting plate 2,2 right end of thimble expansion plate are connected with actuator 3, and actuator 3 is fixed on 1 one end of ram by support plate 11；Institute
It states 2 left end of thimble expansion plate and is connected with nitrogen top 4, the actuator 3 is moved by thimble expansion plate 2, driving nitrogen top 4
It is dynamic.
Thimble expansion plate 2 is installed, actuator 3 pushes thimble expansion plate 2 to do stretching motion, to drive nitrogen in ram 1
Pneumatic jack 4 stretching motions of point.
The top stretching structure of the telescopic nitrogen of the utility model can be stretched out by actuator 3 when in use, when not used
It is top to will not influence workpiece when workpiece axial movement if it is the lathe that workpiece can move axially by actuator 3
Axial movement, keep whole process more smooth.
As shown in Figure 5, it is preferable that the nitrogen top 4 includes graphite copper sheathing 43, and 43 left end of graphite copper sheathing is provided with nitrogen
Spring 44, described 44 one end of nitrogen gas spring are connected with rolling center 41, and graphite copper sheathing is slidably arranged in the rolling center 41
In 43.
The nitrogen of the utility model top 4 is perfectly instead of rolling center before, and rolling center before uses
Be mechanical spring, the elastic force of mechanical spring and service life are limited, the utility model use spring be nitrogen gas spring 44, phase
Comparing mechanical spring has many advantages, such as that small in size, elastic force is big, stroke is long, stable working, long service life.
Preferably, the graphite copper sheathing 43 is arranged in thimble seat 45, and the thimble seat 45 is fixed on thimble expansion plate 2 one
End；43 end face of graphite copper sheathing is connected with nitrogen gas spring set 431, and the setting of nitrogen gas spring 44 is in nitrogen gas spring set 431.
The graphite copper sheathing 43 of the utility model can be reduced the frictional force between rolling center 41, reduce frictional force to device
It influences, keeps top stress more acurrate.
Preferably, 2 right end of thimble expansion plate is provided with benchmark boss 21.
The benchmark boss 21 of the utility model is mainly the extreme position for limiting the stretching of thimble expansion plate 2, makes device
Accurate positioning, and using benchmark boss 21 as the condition of limitation is that the more accurate positioning and stabilization in face are leaned on because on the basis of.
As shown in Figure 6, it is preferable that backlash compensation wedge 12 is provided in the ram 1,12 right end of backlash compensation wedge is set
It is equipped with liner plate adjustment block 13, the liner plate adjustment block 13 is connect with ram 1.
The backlash compensation wedge 12 of the utility model mainly compensates the distance between thimble expansion plate 2 and ram 1, avoids
Generation due to gap is too big the case where position inaccurate, while can also protect the complete of part.
Preferably, 12 side of backlash compensation wedge is equipped with oil-feed tank 121, and upper end is equipped with fuel feed hole 122, the oil inlet
Hole 122 is connected to oil-feed tank 121.
The oil-feed tank 121 and fuel feed hole 122 of the utility model are mainly the channel for adding lubricating oil, to guarantee 1 He of ram
Lubrication between thimble expansion plate 2 guarantees the normal work of whole device.
Preferably, staight shank tapered sleeve 42 is socketed on the rolling center 41.
Preferably, the actuator 3 is hydraulic cylinder.
Preferably, movable sleeve is connected to scrap scraping plate 22 on the thimble expansion plate 2, and the scrap scraping plate 22 is fixed on 1 end of ram
On face.
The scrap scraping plate 22 of the utility model is socketed on thimble expansion plate 2, the cutting generated during processing
Bits can be fallen on thimble expansion plate 2, if will be brought into ram 1 without cleaning, will affect for a long time entire telescopic
The operation of nitrogen Finial device is more likely to damage telescopic nitrogen Finial device to the power outside machine plus.
Preferably, ram pressing plate 14 is provided on the ram 1.
The ram pressing plate 14 of the utility model is mainly the position for limiting thimble expansion plate 2, prevents thimble expansion plate 2 from skidding off
Ram 1 causes the generation of unnecessary error situation.
Preferably, dust-proof seal ring 15 is provided in the graphite copper sheathing 43.
The dust-proof seal ring 15 of the utility model mainly prevents sundries from entering in device.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (10)
1. a kind of telescopic nitrogen is top, it is characterised in that: including ram (1), be slidably fitted with thimble in the ram (1) and stretch
Contracting plate (2), thimble expansion plate (2) right end are connected with actuator (3), and actuator (3) is fixed on cunning by support plate (11)
Rest the head on (1) one end；It is top (4) that thimble expansion plate (2) left end is connected with nitrogen, and the actuator (3) passes through thimble expansion plate
(2) driving nitrogen top (4) is mobile.
2. a kind of telescopic nitrogen according to claim 1 is top, it is characterised in that: the nitrogen top (4) includes stone
Black copper sheathing (43), graphite copper sheathing (43) left end are provided with nitrogen gas spring (44), and described nitrogen gas spring (44) one end is connected with activity
Top (41), the rolling center (41) are slidably arranged in graphite copper sheathing (43).
3. a kind of telescopic nitrogen according to claim 2 is top, it is characterised in that: graphite copper sheathing (43) setting exists
In thimble seat (45), the thimble seat (45) is fixed on thimble expansion plate (2) one end；Graphite copper sheathing (43) end face is connected with
Nitrogen gas spring set (431), nitrogen gas spring (44) setting is in nitrogen gas spring set (431).
4. a kind of telescopic nitrogen according to claim 1 is top, it is characterised in that: thimble expansion plate (2) right end
It is provided with benchmark boss (21).
5. a kind of telescopic nitrogen according to claim 1 is top, it is characterised in that: between being provided in the ram (1)
Gap compensates wedge (12), and backlash compensation wedge (12) right end is provided with liner plate adjustment block (13), the liner plate adjustment block (13) with
Ram (1) connection.
6. a kind of telescopic nitrogen according to claim 5 is top, it is characterised in that: backlash compensation wedge (12) side
Face is equipped with oil-feed tank (121), and upper end is equipped with fuel feed hole (122), and the fuel feed hole (122) is connected to oil-feed tank (121).
7. a kind of telescopic nitrogen according to claim 2 is top, it is characterised in that: be socketed on the rolling center (41)
There are staight shank tapered sleeve (42).
8. a kind of telescopic nitrogen according to claim 1 is top, it is characterised in that: living on the thimble expansion plate (2)
Dynamic to be socketed with scrap scraping plate (22), the scrap scraping plate (22) is fixed on ram (1) end face.
9. a kind of telescopic nitrogen according to claim 2 is top, it is characterised in that: be provided with cunning on the ram (1)
It rests the head on pressing plate (14).
10. a kind of telescopic nitrogen according to claim 2 is top, it is characterised in that: set in the graphite copper sheathing (43)
It is equipped with dust-proof seal ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821913836.0U CN209272492U (en) | 2018-11-20 | 2018-11-20 | A kind of telescopic nitrogen is top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821913836.0U CN209272492U (en) | 2018-11-20 | 2018-11-20 | A kind of telescopic nitrogen is top |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209272492U true CN209272492U (en) | 2019-08-20 |
Family
ID=67601888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821913836.0U Active CN209272492U (en) | 2018-11-20 | 2018-11-20 | A kind of telescopic nitrogen is top |
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| Country | Link |
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| CN (1) | CN209272492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976923A (en) * | 2019-12-18 | 2020-04-10 | 广州市昊志机电股份有限公司 | Centre, centre clamp holder and centre automatic switching device |
-
2018
- 2018-11-20 CN CN201821913836.0U patent/CN209272492U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976923A (en) * | 2019-12-18 | 2020-04-10 | 广州市昊志机电股份有限公司 | Centre, centre clamp holder and centre automatic switching device |
| CN110976923B (en) * | 2019-12-18 | 2021-11-16 | 广州市昊志机电股份有限公司 | Centre clamp holder and centre automatic switching control equipment |
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