CN205967694U - Telescopic tap chuck - Google Patents
Telescopic tap chuck Download PDFInfo
- Publication number
- CN205967694U CN205967694U CN201621006047.XU CN201621006047U CN205967694U CN 205967694 U CN205967694 U CN 205967694U CN 201621006047 U CN201621006047 U CN 201621006047U CN 205967694 U CN205967694 U CN 205967694U
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- elastic component
- tap
- telescopic
- sliding disk
- chuck according
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Abstract
The utility model discloses a telescopic tap chuck, including main handle and screw tap holder, the one end of main handle is equipped with the cylindric body, still includes the coaxial dish that slides that stretches into in the internal chamber of cylindric, it is equipped with first elastic component to slide between top and the internal chamber top of cylindric of dish, it is equipped with the second elastic component to slide to coil to be connected and to slide to try to get to the heart of a matter with the transmission of screw tap holder between end and the screw tap holder, it is equipped with driving key to slide between the radial outside and the internal chamber of cylindric of dish, but first elastic component and second elastic component axial compression when receiving the axial compression for the dish that slides can remove in the internal owner of the chamber china and korea handle direction of cylindric, the utility model discloses can avoid saving process time and processing cost at the disconnected screw tap of work piece dislocation houding.
Description
Technical field
This utility model is related to a kind of tap chuck, particularly to a kind of telescopic tap chuck.
Background technology
Operationally, rotary cutting motion made under servomotor driving by screw tap to Digit Control Machine Tool, the axially-movable of screw tap by
Serve Motor Control;However, due to there is servo time delay phenomenon, for main shaft rotation, screw tap in cutting rotation, silk
It is fast or slow that cone is advanced, and reality is mobile and there is error with pitch movement.In prior art, screw tap is directly and the rigid company of chuck
Connect, after causing workpiece dislocation because of a variety of causes, screw tap just cannot withstand on the surface of workpiece to the hole of sequence processing, but main shaft
Also down moving, be now possible to push up broken tap, increased process time and processing cost.
It is therefore desirable to a kind of telescopic tap chuck, the connection between screw tap and chuck has certain slip amplitude,
Avoid pushing up broken tap after workpiece misplaces, save process time and processing cost.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of telescopic tap chuck, between screw tap and chuck
Connect and there is certain slip amplitude, it is to avoid push up broken tap after workpiece dislocation, save process time and processing cost.
Telescopic tap chuck of the present utility model, including main handle and tap holders, one end of described main handle is provided with cylinder
Body, also includes coaxially stretching into the sliding disk in tubular intracoelomic cavity, between the top of described sliding disk and cylindrical body inner cavity top
It is provided with the first elastic component, described sliding disk and tap holders are in transmission connection and sliding is tried to get to the heart of a matter and is provided between end and tap holders
Second elastic component, is provided with driving key between the radial outside of described sliding disk and tubular intracoelomic cavity;Described first elastic component and
Two elastic components can be compressed axially when compressing axially so that sliding disk can move towards main handle direction in tubular intracoelomic cavity.
Further, described tap holders include clamper housing and are located in clamper housing for clamping the core of screw tap
Axle, is provided with bearing between described mandrel and clamper housing.
Further, it is provided with briquetting I between described sliding disk and the second elastic component, described sliding disk is provided with through hole, and through hole
Side external diameter increase to be formed and increase formation and be used for supplying briquetting for the first diameter-increasing part installing the first elastic component, opposite side external diameter
The second diameter-increasing part that I head stretches into, the position being located between the first diameter-increasing part and the second diameter-increasing part in described through hole is provided with use
In the jackscrew holding out against briquetting I.
Further, it is provided with briquetting II between described mandrel and the second elastic component, described mandrel top is provided with pit I, described
The position that briquetting II bottom is adapted with pit I has pit II, is provided with for transmitting torque between described pit I and pit II
Steel ball.
Further, the top of described briquetting II is provided with the mounting groove for installing the second elastic component.
Further, described cylindrical body is arranged with a guide pin bushing, the bottom side of described sliding disk radially extends formation footpath and stretches platform,
Described footpath stretches that platform is located in guide pin bushing and footpath is stretched and is provided with motion gap between platform and cylindrical body bottom.
Further, the top of described clamper housing is connected with a ring flange, and the external diameter of described ring flange is more than guide pin bushing
External diameter;This chuck also includes one for detecting the proximity switch of ring flange displacement information.
Further, the top of described clamper housing is connected with a back-up ring.
Further, described bearing includes clutch shaft bearing and second bearing, is provided between described clutch shaft bearing and second bearing
It is set in the spacer on mandrel.
Further, described first elastic component and the second elastic component are compression spring structure.
The beneficial effects of the utility model:Telescopic tap chuck of the present utility model, when causing workpiece because of a variety of causes
After dislocation, screw tap withstands on the surface of workpiece, so that the first elastic component and the second elastic component is axially being squeezed when main shaft down moves
Pressure, thus the first elastic component is compressed axially with the second elastic component, sliding disk moves towards main handle direction in tubular intracoelomic cavity,
Staff can be adjusted overhauling in time, you can be prevented effectively from and push up broken tap after workpiece dislocation, save process time and add
Work cost.
Brief description
With reference to the accompanying drawings and examples this utility model is further described:
Fig. 1 is structural representation of the present utility model.
Specific embodiment
Fig. 1 is structural representation of the present utility model, as shown in the figure:The telescopic tap chuck of the present embodiment, including master
Handle 1 and tap holders, one end of described main handle 1 is provided with cylindrical body 2, also includes coaxially stretching into the sliding in cylindrical body 2 inner chamber
Disk 3, is provided with the first elastic component 4, described sliding disk 3 and screw tap clamp between the top of described sliding disk 3 and cylindrical body 2 inner cavity top
Holder is in transmission connection and is provided with the second elastic component 5 between sliding disk 3 bottom and tap holders, and the footpath of described sliding disk 3 is outside
It is provided with driving key 6 between side and cylindrical body 2 inner chamber;Described first elastic component 4 and the second elastic component 5 can when being compressed axially
It is compressed axially so that sliding disk 3 can move towards main handle 1 direction in cylindrical body 2 inner chamber;Main handle 1 is used for being connected with lathe, for silk
The power intake of cone;Tap holders are then used for clamping screw tap 7;The rotation of main handle 1 drives to screw tap clamping by sliding disk 3
Device, thus drive screw tap 7 to rotate;Described first elastic component 4 and the second elastic component 5 are both preferably compression spring structure, in setting
When there is certain pretightning force, with smooth transmission power;In FIG, close right side is top, is bottom near left side;Work as because
After a variety of causes causes workpiece dislocation, screw tap withstands on the surface of workpiece, makes the first elastic component 4 and the second bullet when main shaft down moves
Property part 5 is being compressed axially, thus the first elastic component 4 and the second elastic component 5 are compressed axially, sliding disk 3 is in cylindrical body 2
Move towards main handle 1 direction in inner chamber, staff can be adjusted overhauling in time, you can be prevented effectively from top after workpiece dislocation disconnected
Screw tap 7, saves process time and processing cost.
In the present embodiment, described tap holders include clamper housing 8 and are used for clamping silk with being located in clamper housing 8
The mandrel 9 of cone 7, is provided with bearing between described mandrel 9 and clamper housing 8;Screw tap coaxially stretches into mandrel 9 and is fixedly connected;Institute
State bearing and include clutch shaft bearing 10a and second bearing 10b, be provided between described clutch shaft bearing 10a and second bearing 10b and be set in
Spacer 11 on mandrel 9;The structure of two bearings can improve the stationarity of mandrel 9 rotation;The top of described clamper housing 8 is even
It is connected to a back-up ring 12, back-up ring 12 prevents bearing from departing from.
In the present embodiment, between described sliding disk 3 and the second elastic component 5, it is provided with briquetting I 14, described sliding disk 3 is provided with logical
Hole 3a, and the side external diameter of through hole 3a increases formation for installing the first diameter-increasing part, the increase of opposite side external diameter of the first elastic component 4
Form the second diameter-increasing part stretching into for the head for briquetting I 14, in described through hole 3a, be located at the first diameter-increasing part and the second increasing footpath
Position between portion is provided with the jackscrew 15 for holding out against briquetting I 14;Jackscrew 15 can move spiral in through hole 3a, is pushed up by adjustment
The size of the position-adjustable driving torque of silk 15;It is provided with briquetting II 16, described core between described mandrel 9 and the second elastic component 5
Axle 9 top is provided with pit I, and the position that described briquetting II 16 bottom is adapted with pit I has a pit II, described pit I with recessed
It is provided with the steel ball 17 for transmitting torque between hole II;When moment of torsion is excessive, steel ball 17 can occur to slide so that mandrel 9 and pressure
Skid between block II 16, mandrel 9 cannot continue to rotate, thus protecting to screw tap 7;Described briquetting II 16
Top be provided with the mounting groove for installing the second elastic component 5;One guide pin bushing 18, described sliding disk 3 are arranged with described cylindrical body 2
Bottom side radially extend formation footpath and stretch platform, described footpath stretches that platform is located in guide pin bushing 18 and footpath is stretched and set between platform and cylindrical body 2 bottom
There is motion gap, prevent sliding disk 3 from occurring when sliding interfering.
In the present embodiment, the top of described clamper housing 8 is connected with a ring flange 13, and the external diameter of described ring flange 13 is big
External diameter in guide pin bushing 18;This chuck also includes one for detecting the proximity switch (not shown) of ring flange 13 displacement information;
Can be connected by bolt between clamper housing 8 and ring flange 13;The external diameter of ring flange 13 is larger, is easy to as detection position,
Detection for proximity switch;Proximity switch may be provided on lathe, when detect ring flange 13 close when send alarm, to carry
The attention of awake staff.
Finally illustrate, above example only in order to the technical solution of the utility model to be described and unrestricted, although ginseng
According to preferred embodiment, this utility model is described in detail, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, the objective without deviating from technical solutions of the utility model and model
Enclose, it all should be covered in the middle of right of the present utility model.
Claims (10)
1. a kind of telescopic tap chuck, including main handle and tap holders, one end of described main handle is provided with cylindrical body, its feature
It is:Also include coaxially stretching into the sliding disk in tubular intracoelomic cavity, between the top of described sliding disk and cylindrical body inner cavity top
It is provided with the first elastic component, described sliding disk and tap holders are in transmission connection and sliding is tried to get to the heart of a matter and is provided between end and tap holders
Second elastic component, is provided with driving key between the radial outside of described sliding disk and tubular intracoelomic cavity;Described first elastic component and
Two elastic components can be compressed axially when compressing axially so that sliding disk can move towards main handle direction in tubular intracoelomic cavity.
2. telescopic tap chuck according to claim 1 it is characterised in that:Described tap holders include clamper shell
Body is used for clamping the mandrel of screw tap with being located in clamper housing, is provided with bearing between described mandrel and clamper housing.
3. telescopic tap chuck according to claim 2 it is characterised in that:Between described sliding disk and the second elastic component
It is provided with briquetting I, described sliding disk is provided with through hole, and the side external diameter of through hole increases first being formed for installation the first elastic component
Diameter-increasing part, opposite side external diameter increase and form the second diameter-increasing part stretching into for the head for briquetting I, are located at first in described through hole
Position between diameter-increasing part and the second diameter-increasing part is provided with the jackscrew for holding out against briquetting I.
4. telescopic tap chuck according to claim 3 it is characterised in that:Set between described mandrel and the second elastic component
There is briquetting II, described mandrel top is provided with pit I, the position that described briquetting II bottom is adapted with pit I has pit II, institute
State the steel ball being provided between pit I and pit II for transmitting torque.
5. telescopic tap chuck according to claim 4 it is characterised in that:The top of described briquetting II is provided with for pacifying
Fill the mounting groove of the second elastic component.
6. telescopic tap chuck according to claim 2 it is characterised in that:One guide pin bushing is arranged with described cylindrical body,
The bottom side of described sliding disk radially extends formation footpath and stretches platform, and described footpath stretches that platform is located in guide pin bushing and platform and cylindrical body bottom are stretched in footpath
Between be provided with motion gap.
7. telescopic tap chuck according to claim 6 it is characterised in that:The top of described clamper housing is connected with
One ring flange, the external diameter of described ring flange is more than the external diameter of guide pin bushing;This chuck also includes one and is used for detecting ring flange displacement information
Proximity switch.
8. telescopic tap chuck according to claim 7 it is characterised in that:The top of described clamper housing is connected with
One back-up ring.
9. telescopic tap chuck according to claim 6 it is characterised in that:Described bearing includes clutch shaft bearing and second
Bearing, is provided with the spacer being set on mandrel between described clutch shaft bearing and second bearing.
10. telescopic tap chuck according to claim 1 it is characterised in that:Described first elastic component and the second elasticity
Part is compression spring structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621006047.XU CN205967694U (en) | 2016-08-31 | 2016-08-31 | Telescopic tap chuck |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621006047.XU CN205967694U (en) | 2016-08-31 | 2016-08-31 | Telescopic tap chuck |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205967694U true CN205967694U (en) | 2017-02-22 |
Family
ID=58038807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621006047.XU Active CN205967694U (en) | 2016-08-31 | 2016-08-31 | Telescopic tap chuck |
Country Status (1)
Country | Link |
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CN (1) | CN205967694U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110860743A (en) * | 2019-11-07 | 2020-03-06 | 安徽德锐仕机床制造有限公司 | Tap chuck capable of being switched rapidly and mounting method thereof |
-
2016
- 2016-08-31 CN CN201621006047.XU patent/CN205967694U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110860743A (en) * | 2019-11-07 | 2020-03-06 | 安徽德锐仕机床制造有限公司 | Tap chuck capable of being switched rapidly and mounting method thereof |
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