CN208853790U - A kind of lathe is mostly used rotatable collet - Google Patents
A kind of lathe is mostly used rotatable collet Download PDFInfo
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- CN208853790U CN208853790U CN201821589274.9U CN201821589274U CN208853790U CN 208853790 U CN208853790 U CN 208853790U CN 201821589274 U CN201821589274 U CN 201821589274U CN 208853790 U CN208853790 U CN 208853790U
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- collet
- taper shank
- attachment device
- mostly used
- bearing
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Abstract
The utility model discloses a kind of lathes to be mostly used rotatable collet, including collet, attachment device and taper shank, the collet is connect with the taper shank by the attachment device, the attachment device is concentric connection with the collet and the taper shank, a tool multiple use may be implemented in the utility model, it is i.e. processable without drill centers for thinner part to save the cost, to improve working efficiency.
Description
Technical field
The utility model relates to machining tool accessories technical fields more particularly to a kind of lathe to be mostly used rotatable collet.
Background technique
In existing machinery processing industry, machine tool accessories is varied, but function is mostly single, and different processes need difference
Fixture and supporting tool combine and could use, cause to need replacing different fixtures according to process difference in use in this way
And waste time, in addition to this reduce working efficiency is processed again after needing drill centers when processing thinner part, and
The trouble of first drill centers before processing thin and long units can be removed from using technical scheme.
Therefore it provides a kind of lathe is mostly used rotatable collet, for overcoming above-mentioned at least one technological deficiency, just become this
Field technical staff's urgent problem to be solved.
Utility model content
To achieve the goals above: the utility model provides a kind of lathe first and is mostly used rotatable collet, including collet, even
Connection device and taper shank, the collet are connect with the taper shank by the attachment device, the attachment device and the collet and
The taper shank is concentric connection.
Further, the attachment device include bearing, shaft coupling, connecting shaft, the shaft coupling both ends be separately connected
One end of one end of the bearing and the connecting shaft, the bearing other end grafting or is fixedly connected on the collet interior,
The connecting shaft is fixedly connected far from shaft coupling one end with the taper shank.
Further, overload protective device is provided in the connecting shaft.
The utility model is mostly used to have the beneficial effect that brought by rotatable collet by providing a kind of lathe:
(1) in the above-mentioned technical solutions, including collet 1, attachment device 2 and taper shank 3, the collet 1 and the taper shank 3 are logical
It crosses the attachment device 2 to connect, the attachment device 2 is concentric connection with the collet 1 and the taper shank 3, described first
Taper shank 3 is installed on tail stock and is fixed, and the collet 1 clamps workpiece to be processed, and machine tool chief axis is secondly connected work
Part processing unit (plant), such as top, the drive Work treatment installation rotation when machine tool chief axis rotation, since tail stock cannot of circling round
Rotation, therefore convolution collet described herein is also the stationary state of fixed clamp workpiece, last Work treatment installation exists
The processing to workpiece is completed under the drive of main shaft, in addition, when the collet 1 grips thin and long units, by elongated components
One end enter from the arrival end of the collet 1, make elongated components and 2 concentric position of attachment device, this process without
The processing of workpiece need to be can be realized in elongated components drill centers, to improve work efficiency, the collet 1 can be to work
Part plays the role of fixation and steps up, and finally, Work treatment installation is to be used to punch workpiece, reaming, fraising, spot-facing, attack
Silk.
In addition to this, when taper shank 3 to be connect with machine tool chief axis, machine tool chief axis gives taper shank 3 and provides rotatory force, when described
Taper shank 3 drives the attachment device 2 to rotate when rotating, the collet 1 rotates together under the drive of the attachment device 2, this
When, the grips Work treatment installation provides under power in main shaft and then provides rotatory force for Work treatment installation
Workpiece is processed, thus this application involves the function set stationary center of the multi-purpose collet that can circle round, live centre and
Fixed chuck, the function of insuring collet, realize an accessory multiple functions, save the cost.
(2) based on the above-mentioned technical proposal, the attachment device 2 includes bearing 6, shaft coupling 4, connecting shaft 5, the shaft coupling
4 both ends are separately connected one end of the bearing 6 and one end of the connecting shaft 5,6 other end grafting of bearing or fixed company
It connects inside the collet 1, the connecting shaft 5 is fixedly connected far from 4 one end of shaft coupling with the taper shank 3, the work of the bearing 6
With being the rotation for supporting the collet 1, due to high speed rotation during frictional force it is very big, will cause components uses the longevity
Life shortens, and in order to solve this technical problem, this programme reduces the coefficient of friction in its rotation process using bearing 6, and guarantees
Its rotating accuracy, the shaft coupling 4 are for connecting the connecting shaft 5 and the bearing 6.
(3) based on the above-mentioned technical proposal, it is provided with overload protective device 7 in the connecting shaft 5, overload protective device 7 can be in work
Making to play during state prevents torsion is excessive from causing phenomenon of rupture.
Detailed description of the invention
Fig. 1 is the overall structure diagram that a kind of lathe provided by the utility model is mostly used rotatable collet；
In above-mentioned attached drawing: 1, collet, 2, attachment device, 3, taper shank, 4, shaft coupling, 5, connecting shaft, 6, bearing, 7, overload guarantor
Protect device.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
As shown in Figure 1, including collet 1, attachment device 2 and taper shank 3, the collet 1 passes through the connection with the taper shank 3
Device 2 connect, the attachment device 2 is concentric connection with the collet 1 and the taper shank 3, the taper shank 3 described first install into
On tail stock and to be fixed, the collet 1 clamps workpiece to be processed, machine tool chief axis is secondly connected into Work treatment installation,
Such as top, the drive Work treatment installation rotation when machine tool chief axis rotation of circling round, since tail stock is not able to rotate, this
Convolution collet described in application is also the stationary state of fixed clamp workpiece, and last Work treatment installation is under the drive of main shaft
Processing to workpiece is completed, in addition, when the collet 1 grips thin and long units, by one end of elongated components from described
The arrival end of collet 1 enters, and makes elongated components and 2 concentric position of attachment device, this process is not necessarily to elongated zero
The processing of workpiece can be realized in part drill centers, to improve work efficiency, the collet 1 can play fixed add to workpiece
Tight effect, finally, Work treatment installation be used to workpiece is punched, reaming, fraising, spot-facing, tapping.
In addition to this, when taper shank 3 to be connect with machine tool chief axis, machine tool chief axis gives taper shank 3 and provides rotatory force, when described
Taper shank 3 drives the attachment device 2 to rotate when rotating, the collet 1 rotates together under the drive of the attachment device 2, this
When, the grips Work treatment installation provides under power in main shaft and then provides rotatory force for Work treatment installation
Workpiece is processed, thus this application involves the function set stationary center of the multi-purpose collet that can circle round, live centre and
Fixed chuck, the function of insuring collet, realize an accessory multiple functions, save the cost.
Further, the attachment device 2 includes the both ends difference of bearing 6, shaft coupling 4, connecting shaft 5, the shaft coupling 4
It connects one end of the bearing 6 and one end of the connecting shaft 5,6 other end grafting of bearing or is fixedly connected on the folder
Inside first 1, the connecting shaft 5 is fixedly connected far from 4 one end of shaft coupling with the taper shank 3, and the effect of the bearing 6 is support institute
The rotation for stating collet 1, due to high speed rotation during frictional force it is very big, will cause the reduced service life of components, be
This technical problem is solved, this programme reduces the coefficient of friction in its rotation process using bearing 6, and guarantees that its revolution is smart
Degree, the shaft coupling 4 can be clamped when collet 1 turns round zero thinner for connecting the connecting shaft 5 and the bearing 6
The state that taper shank 3 described in part remains stationary plays holding fixed function and to thinner components can anticipate without drill centers
Position and turnery processing, in addition, when the clamping taper of collet 1 is top.Pass through the rotation of control collet 1 and static realization machine tool rotary top
The effect of point and stationary center.
Further, overload protective device 7 is provided in the connecting shaft 5, the overload protective device 7 can be in working condition
To play in the process prevent torsion is excessive from causing phenomenon of rupture, technical solution set stationary center in the application, live centre and
Fixed chuck 1, the function of insuring collet 1, realize an accessory multiple functions, have largely saved cost.Pass through revolution
1 holding parts of collet remove the trouble of first drill centers before processing thin and long units from, to improve work efficiency, moreover it is possible in bar
Blanking plays the role of gripping when cutting off and length positioning.
The various embodiments described above are only preferred embodiments of the present invention, in the art, all to be based on this reality
With the changes and improvements in new technique scheme, should not exclude except the protection scope of the utility model.
Claims (3)
1. a kind of lathe is mostly used rotatable collet (1), which is characterized in that including collet (1), attachment device (2) and taper shank (3),
The collet (1) is connect with the taper shank (3) by the attachment device (2), the attachment device (2) and the collet (1)
And the taper shank (3) is concentric connection.
2. a kind of lathe according to claim 1 is mostly used rotatable collet (1), which is characterized in that the attachment device (2)
Both ends including bearing (6), shaft coupling (4), connecting shaft (5), the shaft coupling (4) are separately connected one end of the bearing (6)
With one end of the connecting shaft (5), bearing (6) other end grafting or internal, the company that is fixedly connected on the collet (1)
Spindle (5) is fixedly connected far from shaft coupling (4) one end with the taper shank (3).
3. a kind of lathe according to claim 2 is mostly used rotatable collet (1), which is characterized in that on the connecting shaft (5)
It is provided with overload protective device (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821589274.9U CN208853790U (en) | 2018-09-28 | 2018-09-28 | A kind of lathe is mostly used rotatable collet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821589274.9U CN208853790U (en) | 2018-09-28 | 2018-09-28 | A kind of lathe is mostly used rotatable collet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208853790U true CN208853790U (en) | 2019-05-14 |
Family
ID=66419698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821589274.9U Active CN208853790U (en) | 2018-09-28 | 2018-09-28 | A kind of lathe is mostly used rotatable collet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208853790U (en) |
-
2018
- 2018-09-28 CN CN201821589274.9U patent/CN208853790U/en active Active
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