CN205571989U - Lathe part fixing device - Google Patents
Lathe part fixing device Download PDFInfo
- Publication number
- CN205571989U CN205571989U CN201620304569.1U CN201620304569U CN205571989U CN 205571989 U CN205571989 U CN 205571989U CN 201620304569 U CN201620304569 U CN 201620304569U CN 205571989 U CN205571989 U CN 205571989U
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- Prior art keywords
- thimble
- sleeve
- spring
- fixing device
- lathe
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Abstract
The utility model discloses a lathe part fixing device, including fixing base, sleeve, thimble and spring, the tubular structure of sleeve for being provided with circular through -hole on it, thimble and spring are located in the circular through -hole, the axis collineation of in lathe chuck on back, lathe spindle, spring, circular through -hole, thimble is installed at fixing device, when the thimble did not contact with the part, the spring was kept away from to the thimble one end was for telescopic free end evagination, and be provided with on the terminal surface of the thimble one end of stretching out for the sleeve top, apical tip is located the axis of thimble, the sleeve is two sections composite structure, and forms for can dismantle the relation of connection between telescopic two parts. This fixing device can not stop under the lathe spindle pivoted circumstances, accomplishes the axle type loading and unloading of part on the lathe, does benefit to the machining efficiency who improves axle type part, and this fixing device still has the advantage that use cost is low simultaneously.
Description
Technical field
This utility model relates to process equipment field, particularly relates to a kind of lathe element fixing device.
Background technology
In prior art, lathe is widely used in the cylindrical of turning component of machine, and the surface such as countershaft class component of machine carries out rough turning, so that the diameter of this part is slightly larger than the intended diameter of part；The surface of countershaft class component of machine carries out half finish turning, so that the diameter of this part is close to intended diameter；The surface of countershaft class component of machine carries out finish turning, so that the surface of this part reaches to design roughness.
In above procedure, be required to countershaft class component of machine use one end be held on three grab on chuck, the other end uses the tail centre on lathe to hold out against, to reduce in turning process because the vibrations that cause of the centrifugal force of parts, beneficially mechanical processing quality.In prior art, when completing component of machine surface turnery processing, it is required to after stopping three rotations grabbing chuck the loading, unloading operation that can carry out parts on lathe, is unfavorable for the working (machining) efficiency of component of machine.
Utility model content
For in above-mentioned prior art, when completing component of machine surface turnery processing, it is required to after stopping three rotations grabbing chuck the loading, unloading operation that can carry out parts on lathe, the problem being unfavorable for the working (machining) efficiency of component of machine, this utility model provides a kind of lathe element fixing device.
For solving the problems referred to above, the lathe element fixing device that this utility model provides solves problem by techniques below main points: lathe element fixing device, including fixing seat, sleeve, thimble and spring；
Described fixing seat is the connector of this fixing device and lathe chuck；
Described sleeve is the tubular structure being provided with manhole, and one end of described sleeve is fixing with fixing seat to be connected；
Described thimble and spring are positioned at described manhole, and spring is between fixing seat and thimble, and thimble is cylindrical-shaped structure, and under the bullet stress of spring, thimble can slide along the axis direction of manhole；
After fixing device is installed on lathe chuck, lathe spindle, spring, manhole, the axis collinear of thimble；
When thimble is not with feature contacts, thimble relative to the free end evagination of sleeve, and is provided with top away from one end of spring on the end face of one end that stretches out relative to sleeve of thimble, described top end is positioned on the axis of thimble；
Described sleeve is two segments combined structure, and for the relation of removably connecting between two parts of composition sleeve, the two-part junction point forming sleeve is positioned at the end of sleeve free end.
Concrete, this fixing device is fixed on the chuck of lathe, and free end is towards the tail centre one end in parking lot, and so, processed axial workpiece is fixed between this fixing device and tail centre, to complete the surface turnery processing to axial workpiece.
This device is in use, first a center hole is all processed at the two ends of axial workpiece, top not with feature contacts time, the i.e. end of axial workpiece and thimble top does not produce power when interacting, thimble is under the elastic force of spring, end is stretched out relative to sleeve, so, along with part under the effect of tail centre to an end motion of lathe chuck, spring pressurized is compressed, the free end of last sleeve contacts with axial workpiece, under the effect of tail centre, sleeve can produce bigger normal pressure with the end of axial workpiece, the frictional force that above normal pressure can provide is used for realizing axial workpiece and rotates with lathe.
Above procedure is axial workpiece process of clamping on the lathe using this fixing device, in above procedure, do not contact with axial workpiece end or because the deformation of spring, when this fixing device and axial workpiece do not have enough normal pressures, the rotation of main shaft can not be delivered on axial workpiece at sleeve.The free end returning back to sleeve when thimble flushes, and when the two ends of axial workpiece are respectively by compressive stress that sleeve free end and tail centre are enough, under the sleeve ends frictional force to axial workpiece, axial workpiece is with main axis.During dismounting axial workpiece, tail centre moves along slide rail away from this fixing device, under the elastic force of spring, thimble free end forces axial workpiece to separate with the free end of sleeve, equally, in the case of the frictional force that this fixing device can not provide enough for axial workpiece, axial workpiece is finally stopped rotation.So, in the case of can rotating not stopping lathe spindle, complete axial workpiece handling on lathe, be beneficial to improve the working (machining) efficiency of axial workpiece.
The relation of removably connecting between two parts of composition described above sleeve preferably employs bolt connection and is realized, so, due to sleeve free end in the course of the work, during particularly the normal pressure between sleeve and axial workpiece increases and reduces, the process that relative motion occurs necessarily is had because of axial workpiece and sleeve free end, so, when sleeve free end may wear to a certain degree affect axial workpiece clamping, can be by only changing sleeve free end portion, it is ensured that the ability to work of fixing device.I.e. use this programme, also there is the beneficial effect beneficially reducing this device use cost.
Further technical scheme is:
For making sleeve can provide enough torque for axial workpiece, i.e. make under identical normal pressure, sleeve and axial workpiece have bigger maximum static friction force, the free end of described sleeve is additionally provided with torque applying unit, described torque applying unit is the multiple fins being arranged in sleeve end face, the free end end face of described fin is in the same plane, and described plane is vertical with the axis of thimble.The free end end face of above fin is in the same plane, and the version that described plane is vertical with the axis of thimble, it is ensured that axial workpiece and the axiality of lathe spindle, the beneficially crudy of Axle Surface.
For ease of the assembling of this fixing device, simultaneously as good axiality can be kept between fixing seat and sleeve, can transmit the implementation of bigger torque between the two, also include that at least two connecting bolts, described fixing seat are connected by connecting bolt bolt with sleeve.
As a kind of technical scheme inducing camber of spring, so that spring the most only produces the compression on axially, it is beneficial to the axiality of axial workpiece and lathe spindle, one end that described thimble interacts with spring is ladder shaft-like, and described spring contacts with the shoulder on thimble near one end of thimble.
For making spring be in compression state at any time, being beneficial to the compactedness of this fixing device, described manhole is shoulder hole, and described thimble is ladder shaft-like, reducer on described manhole, for interacting with the shaft shoulder on described thimble, limits the thimble maximum distance relative to fixing seat.In above structure, one end of spring is touched with fixing seated connection, the other end of spring and the end thereof contacts of thimble, the shaft shoulder on thimble contacts with the reducer on manhole, under above state, spring produces minimal compression deformation, when thimble interacts with axial workpiece, spring is further compressed, i.e. the shaft shoulder on thimble separates with the reducer on manhole.
For avoiding car bits to enter manhole, also including that be arranged at manhole coordinates the resistance bits portion on face, described resistance bits portion to be annular felt with thimble, described resistance bits portion is arranged at the free end of sleeve.Above annular felt can be by being set on the cannelure of thimble end, or the form being embedded on the cannelure being arranged at manhole is installed on manhole and coordinates on face with thimble.
For avoiding this fixing device because sliding friction damages the cooperation face in this fixing device, affect the quality of fit of each parts of this device, or/and be additionally provided with bearing between spring and thimble between described fixing seat and spring, described bearing is for reducing between fixing seat and spring by the rolling of roller on it or can transmit level of torque between spring and thimble.
This utility model has the advantages that
Use the process clamping axial workpiece on the lathe of this fixing device, do not contact with axial workpiece end or because the deformation of spring, when this fixing device and axial workpiece do not have enough normal pressures, the rotation of main shaft can not be delivered on axial workpiece at sleeve.The free end returning back to sleeve when thimble flushes, and when the two ends of axial workpiece are respectively by compressive stress that sleeve free end and tail centre are enough, under the sleeve ends frictional force to axial workpiece, axial workpiece is with main axis.During dismounting axial workpiece, tail centre moves along slide rail away from this fixing device, under the elastic force of spring, thimble free end forces axial workpiece to separate with the free end of sleeve, equally, in the case of the frictional force that this fixing device can not provide enough for axial workpiece, axial workpiece is finally stopped rotation.So, in the case of can rotating not stopping lathe spindle, complete axial workpiece handling on lathe, be beneficial to improve the working (machining) efficiency of axial workpiece.
The relation of removably connecting between two parts of composition described above sleeve preferably employs bolt connection and is realized, so, due to sleeve free end in the course of the work, during particularly the normal pressure between sleeve and axial workpiece increases and reduces, the process that relative motion occurs necessarily is had because of axial workpiece and sleeve free end, so, when sleeve free end may wear to a certain degree affect axial workpiece clamping, can be by only changing sleeve free end portion, it is ensured that the ability to work of fixing device.I.e. use this programme, also there is the beneficial effect beneficially reducing this device use cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of one specific embodiment of lathe element fixing device described in the utility model.
Figure acceptance of the bid note is respectively as follows: 1, fixing seat, and 2, connecting bolt, 3, spring, 4, sleeve, 5, thimble, 6, torque applying unit, 7, resistance bits portion.
Detailed description of the invention
This utility model provides a kind of lathe element fixing device, and below in conjunction with embodiment, the utility model is described in further detail, but this utility model is not limited only to following example:
Embodiment 1:
As it is shown in figure 1, lathe element fixing device, including fixing seat 1, sleeve 4, thimble 5 and spring 3；
Described fixing seat 1 is the connector of this fixing device and lathe chuck；
Described sleeve 4 is the tubular structure being provided with manhole, and one end of described sleeve 4 is fixing with fixing seat 1 to be connected；
Described thimble 5 and spring 3 are positioned at described manhole, and spring 3 is between fixing seat 1 and thimble 5, and thimble 5 is cylindrical-shaped structure, and under the bullet stress of spring 3, thimble 5 can slide along the axis direction of manhole；
After fixing device is installed on lathe chuck, lathe spindle, spring 3, manhole, the axis collinear of thimble 5 four；
When thimble 5 is not with feature contacts, thimble 5 relative to the free end evagination of sleeve 4, and is provided with top away from one end of spring 3 on the end face of one end that stretches out relative to sleeve 4 of thimble 5, described top end is positioned on the axis of thimble 5；Described sleeve 4 is two segments combined structure, and for the relation of removably connecting between two parts of composition sleeve 4, the two-part junction point forming sleeve 4 is positioned at the end of sleeve 4 free end.
Concrete, this fixing device is fixed on the chuck of lathe, and free end is towards the tail centre one end in parking lot, and so, processed axial workpiece is fixed between this fixing device and tail centre, to complete the surface turnery processing to axial workpiece.
This device is in use, first a center hole is all processed at the two ends of axial workpiece, top not with feature contacts time, the i.e. end of axial workpiece and thimble 5 top does not produce power when interacting, thimble 5 is under the elastic force of spring 3, end is stretched out relative to sleeve 4, so, along with part under the effect of tail centre to an end motion of lathe chuck, spring 3 pressurized is compressed, the free end of last sleeve 4 contacts with axial workpiece, under the effect of tail centre, sleeve 4 can produce bigger normal pressure with the end of axial workpiece, the frictional force that above normal pressure can provide is used for realizing axial workpiece and rotates with lathe.
Above procedure is axial workpiece process of clamping on the lathe using this fixing device, in above procedure, do not contact with axial workpiece end or because the deformation of spring 3, when this fixing device and axial workpiece do not have enough normal pressures, the rotation of main shaft can not be delivered on axial workpiece at sleeve 4.When thimble 5 return back to flush with the free end of sleeve 4, when the two ends of axial workpiece are respectively by compressive stress that sleeve 4 free end and tail centre are enough, under the frictional force to axial workpiece of sleeve 4 end, axial workpiece is with main axis.During dismounting axial workpiece, tail centre moves along slide rail away from this fixing device, under the elastic force of spring 3, thimble 5 free end forces axial workpiece to separate with the free end of sleeve 4, equally, in the case of the frictional force that this fixing device can not provide enough for axial workpiece, axial workpiece is finally stopped rotation.So, in the case of can rotating not stopping lathe spindle, complete axial workpiece handling on lathe, be beneficial to improve the working (machining) efficiency of axial workpiece.
The relation of removably connecting between two parts of composition described above sleeve 4 preferably employs bolt connection and is realized, so, due to sleeve 4 free end in the course of the work, during particularly the normal pressure between sleeve 4 and axial workpiece increases and reduces, the process that relative motion occurs necessarily is had because of axial workpiece and sleeve 4 free end, so, when sleeve 4 free end may wear to a certain degree affect axial workpiece clamping, can be by only changing sleeve 4 free end portion, it is ensured that the ability to work of fixing device.I.e. use this programme, also there is the beneficial effect beneficially reducing this device use cost.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as it is shown in figure 1, further technical scheme is:
For making sleeve 4 can provide enough torque for axial workpiece, i.e. make under identical normal pressure, sleeve 4 and axial workpiece have bigger maximum static friction force, the free end of described sleeve 4 is additionally provided with torque applying unit 6, described torque applying unit 6 is the multiple fins being arranged on sleeve 4 end face, the free end end face of described fin is in the same plane, and described plane is vertical with the axis of thimble 5.The free end end face of above fin is in the same plane, and the version that described plane is vertical with the axis of thimble 5, it is ensured that axial workpiece and the axiality of lathe spindle, the beneficially crudy of Axle Surface.
Assembling for ease of this fixing device, simultaneously as keeping good axiality between fixing seat 1 and sleeve 4, the implementation of bigger torque can be transmitted between the two, also include that at least two connecting bolts 2, described fixing seat 1 are connected by connecting bolt 2 bolt with sleeve 4.
As a kind of technical scheme inducing spring 3 to deform, so that spring 3 the most only produces the compression on axially, it is beneficial to the axiality of axial workpiece and lathe spindle, one end that described thimble 5 and spring 3 interact is ladder shaft-like, and described spring 3 contacts with the shoulder on thimble 5 near one end of thimble 5.
For making spring 3 be in compression state at any time, it is beneficial to the compactedness of this fixing device, described manhole is shoulder hole, described thimble 5 is ladder shaft-like, reducer on described manhole, for interacting with the shaft shoulder on described thimble 5, limits the thimble 5 maximum distance relative to fixing seat 1.In above structure, one end of spring 3 contacts with fixing seat 1, the other end of spring 3 and the end thereof contacts of thimble 5, the shaft shoulder on thimble 5 contacts with the reducer on manhole, under above state, spring 3 produces minimal compression deformation, when thimble 5 interacts with axial workpiece, spring 3 is further compressed, i.e. the shaft shoulder on thimble 5 separates with the reducer on manhole.
Embodiment 3:
The present embodiment is further qualified on the basis of one embodiment of any of the above, as it is shown in figure 1, for avoiding car bits to enter manhole, also include that be arranged at manhole coordinates the resistance bits portion 7 on face with thimble 5, described resistance bits portion 7 is annular felt, and described resistance bits portion 7 is arranged at the free end of sleeve 4.Above annular felt can be by being set on the cannelure of thimble 5 end, or the form being embedded on the cannelure being arranged at manhole is installed on manhole and coordinates on face with thimble 5.
For avoiding this fixing device because sliding friction damages the cooperation face in this fixing device, affect the quality of fit of each parts of this device, or/and be additionally provided with bearing between spring 3 and thimble 5 between described fixing seat 1 and spring 3, described bearing is for reducing between fixing seat 1 and spring 3 by the rolling of roller on it or can transmit level of torque between spring 3 and thimble 5.
Above content is to combine the further description that this utility model is made by concrete preferred implementation, it is impossible to assert that detailed description of the invention of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, other embodiments drawn under without departing from the technical solution of the utility model, should be included in protection domain of the present utility model.
Claims (7)
1. lathe element fixing device, it is characterised in that include fixing seat (1), sleeve (4), thimble (5) and spring (3)；
Described fixing seat (1) is the connector of this fixing device and lathe chuck；
Described sleeve (4) is the tubular structure being provided with manhole, and one end of described sleeve (4) is fixing with fixing seat (1) to be connected；
Described thimble (5) and spring (3) are positioned at described manhole, and spring (3) is positioned between fixing seat (1) and thimble (5), thimble (5) is cylindrical-shaped structure, and under the bullet stress of spring (3), thimble (5) can slide along the axis direction of manhole；
After fixing device is installed on lathe chuck, lathe spindle, spring (3), manhole, the axis collinear of thimble (5) four；
When thimble (5) is not with feature contacts, thimble (5) away from one end of spring (3) relative to the free end evagination of sleeve (4), and it being provided with top on the end face of one end that stretches out relative to sleeve (4) of thimble (5), described top end is positioned on the axis of thimble (5)；
Described sleeve (4) is two segments combined structure, and for the relation of removably connecting between two parts of composition sleeve (4), the two-part junction point forming sleeve (4) is positioned at the end of sleeve (4) free end.
Lathe element fixing device the most according to claim 1, it is characterized in that, the free end of described sleeve (4) is additionally provided with torque applying unit (6), described torque applying unit (6) is for be arranged at the multiple fins on sleeve (4) end face, the free end end face of described fin is in the same plane, and described plane is vertical with the axis of thimble (5).
Lathe element fixing device the most according to claim 1, it is characterised in that also include that at least two connecting bolts (2), described fixing seat (1) are connected by connecting bolt (2) bolt with sleeve (4).
Lathe element fixing device the most according to claim 1, it is characterised in that one end that described thimble (5) and spring (3) interact is ladder shaft-like, described spring (3) contacts with the shoulder on thimble (5) near one end of thimble (5).
Lathe element fixing device the most according to claim 1, it is characterized in that, described manhole is shoulder hole, described thimble (5) is ladder shaft-like, reducer on described manhole, for interacting with the shaft shoulder on described thimble (5), limits the thimble (5) maximum distance relative to fixing seat (1).
Lathe element fixing device the most as claimed in any of claims 1 to 5, it is characterized in that, also including that be arranged at manhole coordinates the resistance bits portion (7) on face with thimble (5), described resistance bits portion (7) is annular felt, and described resistance bits portion (7) is arranged at the free end of sleeve (4).
Lathe element fixing device the most as claimed in any of claims 1 to 5, it is characterized in that, or/and be additionally provided with bearing between spring (3) and thimble (5) between described fixing seat (1) and spring (3), described bearing is for reducing between fixing seat (1) and spring (3) by the rolling of roller on it or can transmit level of torque between spring (3) and thimble (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620304569.1U CN205571989U (en) | 2016-04-13 | 2016-04-13 | Lathe part fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620304569.1U CN205571989U (en) | 2016-04-13 | 2016-04-13 | Lathe part fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205571989U true CN205571989U (en) | 2016-09-14 |
Family
ID=56865720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620304569.1U Expired - Fee Related CN205571989U (en) | 2016-04-13 | 2016-04-13 | Lathe part fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205571989U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729198A (en) * | 2016-04-13 | 2016-07-06 | 成都亨通兆业精密机械有限公司 | Lathe part fixing mechanism |
-
2016
- 2016-04-13 CN CN201620304569.1U patent/CN205571989U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729198A (en) * | 2016-04-13 | 2016-07-06 | 成都亨通兆业精密机械有限公司 | Lathe part fixing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20170413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |