CN205201144U - Collet axial positioning device - Google Patents
Collet axial positioning device Download PDFInfo
- Publication number
- CN205201144U CN205201144U CN201521112204.0U CN201521112204U CN205201144U CN 205201144 U CN205201144 U CN 205201144U CN 201521112204 U CN201521112204 U CN 201521112204U CN 205201144 U CN205201144 U CN 205201144U
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- CN
- China
- Prior art keywords
- collet
- positioning device
- cylindrical body
- axial direction
- locating cover
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Abstract
The utility model discloses a collet axial positioning device, press from both sides including elasticity, the tube -shape body that is the through -hole including the center is pressed from both sides to elasticity, the collet covers with the location of overlapping on the collet, the front end and the collet of the tube -shape body are connected just the rear end and are connected with the trombone slide, the collet includes presses the elasticity clamp splice that constitutes a circular port behind the circumference evenly distributed in the inboard more than 2, the circular port link up with the central through hole of the tube -shape body, be equipped with the connecting block between each the elasticity clamp splice and the tube -shape body, the outer wall of connecting block is the sloping platform face from the junction beginning little -endian of the tube -shape body, the front end of elasticity clamp splice stretches out and constitutes a circular centre gripping mouth after cover the location, be equipped with and oblique mesa structure complex inclined plane in the inside of location cover, the center of covering in the location for circular centre gripping mouth is equipped with the stopper. The utility model discloses it is more accurate to compare the random centre gripping of tradition when the centre gripping product, and centre gripping speed is faster, and clamping accuracy is higher, and the clamp force is bigger, and the centre gripping is more steady, indeformable advantage.
Description
Technical field
The utility model relates to the detent mechanism on a kind of spindle of numerical control lathe, particularly collet axial direction positioning device.
Background technology
Generally, the main shaft of simple cnc lathe is configured with two kinds of method of clamping: collet and scroll chuck.When with collet product clamping, collet is in the action of clamping, and chuck and product, toward the stress of post-tensioning, due to the difference of product design size, make the axial location deviation of product very large, thus cause the axial dimension of product overproof.After collet Clamp blocks, the variable quantity of the axial location relative main of self is relevant with the diameter of part simultaneously, such as tapering is the collet of 30 °, the variable quantity of axial location relative main is 1.9 times of diameter variable quantity, it is larger that tapering is less than collet axial variable quantity when same diameter variable quantity of 30 °, therefore current collet only utilizes the end face of collet itself or stepped hole to position part, is just difficult to ensure that for the product that precision is higher.And when by scroll chuck product clamping, because simple cnc lathe generally steps up with manual scroll chuck, the time of clamping can be very long, and clamping face is very little, easily causes the shortcomings such as product design distortion.All there is corresponding technical problem in therefore current method of clamping, needs to improve.
Utility model content
The purpose of this utility model provides one to overcome simple cnc lathe when controlling product length size to solve above-mentioned the deficiencies in the prior art, the defect of axial float, within when using this device to clamp, the axial location precision of product can reach 002mm, also possessed axial location accurate simultaneously, clamping speed is fast, and clamp precision is high, and clamping force is large, clamping is steady, indeformable collet axial direction positioning device.
To achieve these goals, collet axial direction positioning device designed by the utility model, comprise the elastic clip be connected with the trombone slide on lathe spindle, described elastic clip comprises the cylindrical body that center is through hole, collet and the locating cover be placed on collet, the front end of described cylindrical body is connected with collet, the rear end of described cylindrical body is connected with trombone slide, described collet comprise more than 2 be circumferentially uniformly distributed after to form the elastic fixture block of a circular port in inner side, described circular port and the central through hole of cylindrical body through, described is provided with contiguous block between each elastic fixture block and cylindrical body, the outer wall of described contiguous block is oblique mesa structure ascending from the junction of cylindrical body, one is formed for clamping the circular clamp mouth of shaft-type part in the front end of locating cover after locating cover is stretched out in the front end of all elastic fixture blocks, the inclined-plane driving circular clamp mouth to be clamped by article when trombone slide being stretched backward with sloping platform face respective outer side edges is provided with in the inside of locating cover, locating cover is provided with limited block relative to the center of circular clamp mouth.
By the design of said structure, during work, the rear end of the cylindrical body on this device is directly encased on the trombone slide on lathe spindle, when needs product clamping, product is placed on circular circular clamp mouth place, now pass through air pump or manually drive trombone slide toward post-tensioning, now drive cylindrical body backward by trombone slide, the collet of cylindrical body front portion is moved all backward, under the effect of locating cover inner chamfer, circular clamp mouth is slowly drawn in diminish thus clamp product, when after gathering to collet clamping product, collet will make circular clamp mouth continue to diminish toward post-tensioning by trombone slide, and because now product is under the effect of collet power, the effect that both power are mutual thus product is clamped effectively, therefore within above-mentioned whole process, when clamping, the axial location precision of product can reach 002mm, also possessed axial location to compare tradition arbitrarily clamping is more accurate simultaneously, clamping speed is faster, clamp precision is higher, clamping force is larger, clamp more steady, indeformable advantage.
As preferably, locating cover is circumferentially distributed with the locating hole coordinated one by one with each elastic fixture block.
As preferentially, be convenient to dismounting, be provided with cylinder mounting groove forming round circle centre position by all locating holes, described limited block is cylindrical structure, be periphery perpendicular to the postive stop baffle of limited block at the center lateral wall of limited block, described limited block is divided into the left and right sides centered by postive stop baffle and side extend in cylinder mounting groove, and opposite side extend in circular clamp mouth.
As preferably, in order to clamp steadily, and improve positional accuracy, the front end of stretching out locating cover part at elastic fixture block is fixed with grip slipper, the front end of described grip slipper is boss structure, and the clamping part that after above-mentioned all boss structure distributions, inner side formation one is identical with circular clamp mouth bore.
For the ease of dismounting and change, described grip slipper and elastic fixture block are fixed by more than one bolt.
As preferably, be convenient to install, locating cover is fixed with by more than one screw the cover plate be placed on outside cylindrical body.
The collet axial direction positioning device that the utility model obtains, within when clamping, the axial location precision of product can reach 0.02mm, also possessed axial location to compare tradition arbitrarily clamping is more accurate simultaneously, clamping speed is faster, clamp precision is higher, clamping force is larger, and clamping is more steady, indeformable advantage.
Accompanying drawing explanation
Fig. 1 is the overall structure stereogram of the collet axial direction positioning device described by embodiment 1;
Fig. 2 is the overall structure front view of the collet axial direction positioning device described by embodiment 1;
Fig. 3 is that the collet axial direction positioning device described by embodiment 1 is being equipped with the overall structure sectional view in trombone slide situation;
Fig. 4 is the overall structure explosive view of the collet axial direction positioning device described by embodiment 1;
Fig. 5 is the overall structure stereogram of the collet axial direction positioning device other direction described by embodiment 1;
Fig. 6 is the structural blast figure of locating cover front end in embodiment 2;
Fig. 7 is the overall structure stereogram of the collet axial direction positioning device described in embodiment 2;
Fig. 8 is the overall structure sectional view of the collet axial direction positioning device described in embodiment 3;
Fig. 9 is the overall structure stereogram of the collet axial direction positioning device described by embodiment 3.
In figure: cylindrical body 1, collet 2, locating cover 3, trombone slide 4, circular port 5, elastic fixture block 6, contiguous block 7, tiltedly mesa structure 8, circular clamp mouth 9, inclined-plane 10, limited block 11, locating hole 12, cylinder mounting groove 13, postive stop baffle 14, grip slipper 15, boss structure 16, clamping part 17, bolt 18, screw 19, cover plate 20.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment 1:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5, the collet axial direction positioning device that the present embodiment provides, comprise the elastic clip be connected with the trombone slide 4 on lathe spindle, described elastic clip comprises the cylindrical body 1 that center is through hole, collet 2 and the locating cover 3 be placed on collet 2, the front end of described cylindrical body 1 is connected with collet 2, the rear end of described cylindrical body 1 is connected with trombone slide 4, described collet 2 comprise more than 2 be circumferentially uniformly distributed after to form the elastic fixture block 6 of a circular port 5 in inner side, described circular port 5 is through with the central through hole of cylindrical body 1, described is provided with contiguous block 7 between each elastic fixture block 6 and cylindrical body 1, the outer wall of described contiguous block 7 is oblique mesa structures 8 ascending from the junction of cylindrical body 1, one is formed for clamping the circular clamp mouth 9 of shaft-type part in the front end of locating cover 3 after locating cover 3 is stretched out in the front end of all elastic fixture blocks 6, the inclined-plane 10 driving circular clamp mouth 9 to be clamped by article when coordinating with oblique mesa structure 8 trombone slide 4 is stretched backward is provided with in the inside of locating cover 3, locating cover 3 is provided with limited block 11 relative to the center of circular clamp mouth 9.
The number of collet 2 above-mentioned is in the present embodiment 3, but this is not the restriction to the invention, and just as best priority scheme, concrete number can set according to the requirement of specific embodiment, can be 2,4,5 or more.
During installation, elastic clip front portion and oblique mesa structure 8 and elastic fixture block 6 are installed in locating cover 3, and locating cover 3 is stretched out in the front portion of elastic fixture block 6 thus forms a circular clamp mouth 9 in the front portion of locating cover 3, then limited block 11 to be encased on locating cover 3 thus to play and spacing effect is carried out to the product stretched in circular clamp mouth 9.
During work, the rear end of the cylindrical body 1 on this device is directly encased on the trombone slide 4 on lathe spindle, when needs product clamping, product is extend in circular clamp mouth 9, now due to the effect of limited block 11, carry out spacing to product, then pass through air pump or manually drive trombone slide 4 toward post-tensioning, and drive cylindrical body 1 to make the collet 2 of cylindrical body 1 front portion move by trombone slide 4 backward all backward, now under the effect of locating cover 3 inner chamfer 10, circular clamp mouth 9 is slowly drawn in diminish thus clamp product, after gathering clamps product to collet 2, collet 2 will make circular clamp mouth 9 continue to diminish toward post-tensioning by trombone slide, and product now to have certain effect power to collet 2, therefore under the interaction of these two bursts of power product clamped effectively, therefore within above-mentioned whole process, when clamping, the axial location precision of product can reach 002mm, also possessed axial location to compare tradition arbitrarily clamping is more accurate simultaneously, clamping speed is faster, clamp precision is higher, clamping force is larger, clamp more steady, indeformable advantage.
As shown in Figure 4, do in the present embodiment, locating cover 3 is circumferentially distributed with the locating hole 12 coordinated one by one with each elastic fixture block 6.
Embodiment 2:
As shown in Figure 6, Figure 7, the general configuration of the collet axial direction positioning device that the present embodiment provides is identical with embodiment 1, unlike for the ease of dismounting, be provided with cylinder mounting groove 13 forming round circle centre position by all locating holes 12, described limited block 11 is cylindrical structure, be periphery perpendicular to the postive stop baffle 14 of limited block 11 at the center lateral wall of limited block 11, described limited block 11 is divided into the left and right sides centered by postive stop baffle 14 and side extend in cylinder mounting groove 13, and opposite side extend in circular clamp mouth 9; Simultaneously in the present embodiment in order to clamp steadily, and improve positional accuracy, the front end of stretching out locating cover 3 part at elastic fixture block 6 is fixed with grip slipper 15, the front end of described grip slipper 15 is boss structure 16, and above-mentioned all boss structures 16 distribute after inner side form a clamping part 17 identical with circular clamp mouth 9 bore, carry out product clamping by clamping part 17 in the present embodiment.
And for the ease of dismounting and change, described grip slipper 15 is fixed by more than one bolt 18 with elastic fixture block 6.The above-mentioned bolt 18 dividing equally distribution by 3 between each grip slipper 15 and corresponding elastic fixture block 6 is fixed in the present embodiment, but this is not the restriction to the invention, just as best priority scheme, concrete number can set according to the requirement of specific embodiment, can be 2,4,5 or more.
Embodiment 3:
As shown in Figure 8, Figure 9, the general configuration of the collet axial direction positioning device that the present embodiment provides is identical with embodiment 2, unlike for the ease of installing, locating cover 3 is fixed with by more than one screw 19 cover plate 20 be placed on outside cylindrical body 1.
The number of screw 19 above-mentioned is in the present embodiment 3 and the distribution of peace even circumferential, but this is not the restriction to the invention, just as best priority scheme, concrete number can set according to the requirement of specific embodiment, can be 2,4,5 or more.
Claims (8)
1. a collet axial direction positioning device, comprise the elastic clip be connected with the trombone slide (4) on lathe spindle, it is characterized in that: described elastic clip comprises the cylindrical body (1) that center is through hole, collet (2) and the locating cover (3) be placed on collet (2), the front end of described cylindrical body (1) is connected with collet (2), the rear end of described cylindrical body (1) is connected with trombone slide (4), described collet (2) comprise more than 2 be circumferentially uniformly distributed after to form the elastic fixture block (6) of a circular port (5) in inner side, described circular port (5) is through with the central through hole of cylindrical body (1), contiguous block (7) is provided with between described each elastic fixture block (6) and cylindrical body (1), the outer wall of described contiguous block (7) is oblique mesa structure (8) ascending from the junction of cylindrical body (1), one is formed for clamping the circular clamp mouth (9) of shaft-type part in the front end of locating cover (3) after locating cover (3) is stretched out in the front end of all elastic fixture blocks (6), the inclined-plane (10) coordinating with oblique mesa structure (8) and drive circular clamp mouth (9) to be clamped by article when trombone slide (4) is stretched backward is provided with in the inside of locating cover (3), locating cover (3) is provided with limited block (11) relative to the center of circular clamp mouth (9).
2. collet axial direction positioning device according to claim 1, is characterized in that: on locating cover (3), be circumferentially distributed with the locating hole (12) coordinated one by one with each elastic fixture block (6).
3. collet axial direction positioning device according to claim 2, it is characterized in that: be provided with cylinder mounting groove (13) at the circle centre position being made up of circle all locating holes (12), described limited block (11) is cylindrical structure, be periphery perpendicular to the postive stop baffle (14) of limited block (11) at the center lateral wall of limited block (11), described limited block (11) is divided into the left and right sides centered by postive stop baffle (14) and side extend in cylinder mounting groove (13), and opposite side extend in circular clamp mouth (9).
4. the collet axial direction positioning device according to claim 1 or 2 or 3, it is characterized in that: the front end of stretching out locating cover (3) part at elastic fixture block (6) is fixed with grip slipper (15), the front end of described grip slipper (15) is boss structure (16), and the clamping part (17) that after above-mentioned all boss structures (16) distribution, inner side formation one is identical with circular clamp mouth (9) bore.
5. collet axial direction positioning device according to claim 4, is characterized in that: described grip slipper (15) and elastic fixture block (6) are fixed by more than one bolt (18).
6. the collet axial direction positioning device according to claim 1 or 2 or 3, is characterized in that: be fixed with by more than one screw (19) on locating cover (3) and be placed on cylindrical body (1) cover plate outward (20).
7. collet axial direction positioning device according to claim 4, is characterized in that: be fixed with by more than one screw (19) on locating cover (3) and be placed on cylindrical body (1) cover plate outward (20).
8. collet axial direction positioning device according to claim 5, is characterized in that: be fixed with by more than one screw (19) on locating cover (3) and be placed on cylindrical body (1) cover plate outward (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521112204.0U CN205201144U (en) | 2015-12-29 | 2015-12-29 | Collet axial positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521112204.0U CN205201144U (en) | 2015-12-29 | 2015-12-29 | Collet axial positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205201144U true CN205201144U (en) | 2016-05-04 |
Family
ID=55838885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521112204.0U Expired - Fee Related CN205201144U (en) | 2015-12-29 | 2015-12-29 | Collet axial positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205201144U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736776A (en) * | 2017-03-21 | 2017-05-31 | 苏州工业职业技术学院 | A kind of aeroelasticity self-centering casing vehicle clamper |
| CN107214549A (en) * | 2017-06-13 | 2017-09-29 | 嘉兴川页奇精密自动化机电有限公司 | High-precision rotary chuck |
| CN109129238A (en) * | 2017-06-28 | 2019-01-04 | 宁波舜宇车载光学技术有限公司 | Clamp system |
| CN110665652A (en) * | 2019-10-16 | 2020-01-10 | 北京和利康源医疗科技有限公司 | Separating centrifugal orifice plate, centrifugal orifice plate assembly and self-separating method thereof |
-
2015
- 2015-12-29 CN CN201521112204.0U patent/CN205201144U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736776A (en) * | 2017-03-21 | 2017-05-31 | 苏州工业职业技术学院 | A kind of aeroelasticity self-centering casing vehicle clamper |
| CN107214549A (en) * | 2017-06-13 | 2017-09-29 | 嘉兴川页奇精密自动化机电有限公司 | High-precision rotary chuck |
| CN109129238A (en) * | 2017-06-28 | 2019-01-04 | 宁波舜宇车载光学技术有限公司 | Clamp system |
| CN110665652A (en) * | 2019-10-16 | 2020-01-10 | 北京和利康源医疗科技有限公司 | Separating centrifugal orifice plate, centrifugal orifice plate assembly and self-separating method thereof |
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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: 20160504 Termination date: 20161229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |