CN209035494U - A kind of lathe twin fixed guide-vane internal expanding collet - Google Patents
A kind of lathe twin fixed guide-vane internal expanding collet Download PDFInfo
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- CN209035494U CN209035494U CN201821421587.3U CN201821421587U CN209035494U CN 209035494 U CN209035494 U CN 209035494U CN 201821421587 U CN201821421587 U CN 201821421587U CN 209035494 U CN209035494 U CN 209035494U
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- main body
- sphenoid
- cage
- ringfeder
- face
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Abstract
The utility model discloses a kind of lathe twin fixed guide-vane internal expanding collets, including the clamper main body that rises, it further include having cage ringfeder, movable sphenoid, thrust piece main body, end face pushes against sleeve and biasing springs, the rise front end of clamper main body is provided with arc valve, cage ringfeder, which is nested in, to rise on clamper main body arc valve, movable sphenoid is intercalated in cage ringfeder, there are four the wedge-shaped briquettings that alternate can be inserted into arc intervalvular spaces for spaced set at the top of movable sphenoid, the end of movable sphenoid is provided with pushing axis, it pushes and is arranged with a spacer ring on axis, fixation is bolted in spacer ring and arc valve, the front end of thrust piece main body is provided with a Step Shaft, biasing springs are nested on Step Shaft, end face pushes against sleeve is sheathed in thrust piece main body, Step Shaft stretches out in end face pushes against sleeve and the front end face of end face pushes against sleeve forms backward biasing springs Extruding, the utility model can be when processing motor stator casing, and workpiece axial displacement is small, improve Workpiece Machining Accuracy.
Description
Technical field
The utility model relates to clamp for machining technical fields, and in particular to a kind of lathe twin fixed guide-vane internal expanding collet.
Background technique
Processing for permanent magnet motor stator casing is now typically all to be carried out using numerically-controlled machine tool at present, that is, passes through fixture
Workpiece is effectively risen to folder and precise positioning in the workpiece installation position of lathe, then carries out rotation chip processing, existing numerical control lathe
The stator cage hold assembly of bed, when carrying out axial restraint to workpiece, without accurate position-limit mechanism, because between casing blank,
There are larger difference, inner expanding sleeves, and different degrees of axial displacement can occur during rising by dress for internal diameter, to influence workpiece axial direction
Positioning.
Utility model content
(1) technical problems to be solved
In order to overcome the shortage of prior art, it is proposed that a kind of lathe twin fixed guide-vane internal expanding collet, it can be in processing motor
When stator cage, workpiece axial displacement is small, improves Workpiece Machining Accuracy.
(2) technical solution
The utility model is achieved through the following technical solutions: the utility model proposes a kind of lathe twin fixed guide-vane internal expanding folders
Head, including the clamper main body that rises further include having cage ringfeder, movable sphenoid, thrust piece main body, end face pushes against sleeve and pushing bullet
Spring, the front end setting of the clamper main body that the rises arc valve uniformly distributed there are four annular, the cage ringfeder are nested in collet master of rising
On body arc valve, the activity sphenoid is intercalated in cage ringfeder, at the top of the activity sphenoid there are four spaced sets
It alternate can be inserted into the wedge-shaped briquetting of arc intervalvular spaces, the end of movable sphenoid is provided with pushing axis, pushes and is arranged on axis
There is a spacer ring, fixation is bolted in the spacer ring and arc valve, and the front end of the thrust piece main body is provided with a Step Shaft,
The biasing springs are nested on Step Shaft, and the end face pushes against sleeve is sheathed in thrust piece main body, and the Step Shaft stretches out in
The front end face of end face pushes against sleeve and end face pushes against sleeve forms extruding backward to biasing springs.
Further, the wedge-shaped briquetting is in 90 degree of distributions between each other.
Further, arc valve root is provided with seam allowance step, and cage ringfeder end connects with seam allowance step
Synapsis is provided with connection groove.
(3) beneficial effect
The utility model compared with the existing technology, has the advantages that
A kind of lathe twin fixed guide-vane internal expanding collet that the utility model is mentioned is pushed in conjunction with cage ringfeder and end face
Set is clamped fixation to motor stator chassis axial and radial both direction, greatly reduces workpiece axial displacement, improve
The machining accuracy of workpiece.
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
Fig. 2 is decomposition diagram.
1- rises clamper main body；2- cage ringfeder；3- activity sphenoid；4- thrust piece main body；The end face 5- pushes against sleeve；6- is pushed
Spring；7- pushes axis；8- wedge shape briquetting；9- spacer ring；11- arc valve；12- connection groove；41- Step Shaft.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
A kind of lathe twin fixed guide-vane internal expanding collet as depicted in figs. 1 and 2, including the clamper main body 1 that rises, further include having cage
Ringfeder 2, movable sphenoid 3, thrust piece main body 4, end face pushes against sleeve 5 and biasing springs 6, the front end of the clamper main body 1 that rises
The arc valve 11 uniformly distributed there are four annular is set, and the cage ringfeder 2, which is nested in, to rise on 1 arc valve 11 of clamper main body, the work
Dynamic sphenoid 3 is intercalated in cage ringfeder 2, and there are four alternate can be inserted into 3 top spaced set of the activity sphenoid
The wedge-shaped briquetting 8 of arc intervalvular spaces, the end of movable sphenoid 3, which is provided with, pushes axis 7, pushes and is arranged with a spacer ring 9 on axis 7,
Fixation is bolted with arc valve in the spacer ring 9, and the front end of the thrust piece main body 4 is provided with a Step Shaft 41, described
Biasing springs 6 are nested on Step Shaft 41, and the end face pushes against sleeve 5 is sheathed in thrust piece main body 4, and the Step Shaft 41 stretches out
Biasing springs 6 are formed with extruding backward in the front end face of end face pushes against sleeve 5 and end face pushes against sleeve 5.
Wherein, the wedge-shaped briquetting 8 is between each other in 90 degree of distributions；11 root of arc valve is provided with seam allowance step,
And 2 end of cage ringfeder is provided with seam allowance step contact position and connect groove 12.
A kind of lathe twin fixed guide-vane internal expanding collet that the utility model is mentioned, when specifically used, will rise clamper main body 1
Be fixed on machine chuck, while cage ringfeder 2 being nested on the arc valve 11 for 1 front end of clamper main body of rising, arc valve 11 with
The clamper main body 1 that rises is integrally formed, as shown in Fig. 2, 11 root of arc valve is provided with seam allowance step, and 2 end of cage ringfeder
It is provided with seam allowance step contact position and connect groove 12, so that cage ringfeder 2 after mounting can be with clamper main body 1 and the machine of rising
Bed main shaft is concentric, while the wedge-shaped briquetting 8 of 3 front end of movable sphenoid is inserted between arc valve 11 and to 2 shape of cage ringfeder
At tensioner, when wedge-shaped briquetting 8 can also guarantee when squeezing to cage 2 inside of ringfeder it is concentric with cage ringfeder 2, then will be every
Ring 9 is attached, and then motor stator casing is nested in the outside of cage ringfeder 2 and movable sphenoid 3, on the other hand
It will push against spring 6 to be nested on the Step Shaft 41 of 4 front end of thrust piece main body, thrust piece main body 4 is axis body, then pushes end face
Set 5 is inserted in from 41 end of Step Shaft, and end face pushes against sleeve 5 is illustrated in figure 2 open ended and sleeve-shaped of the front end with perforation, set
It is pierced by Step Shaft 41 from the perforation of 5 front end of end face pushes against sleeve, then adjusts tailstock tool and make the thimble on tailstock
It withstands 4 end of thrust piece main body, while the Step Shaft 41 of 5 leading edge hole of end face pushes against sleeve will be stretched out in from motor stator casing
End axis hole protrudes into, and then proceedes to tailstock tool towards 1 direction of clamper main body movement of rising, pushes against sleeve 5 front end surface in end face connects
Compression biasing springs 6 make biasing springs 6 form resilient pressing force after electric shock machine stator casing, and 41 shaft end of Step Shaft is pushed away in contact
It squeezing after axis 7 and extruding is formed to entire movable sphenoid 3, wedge-shaped briquetting 8 struts cage ringfeder 2 and forms radial tensioner to workpiece,
End face pushes against sleeve 5 forms axial pushing to workpiece under the effect of biasing springs 6 and positions simultaneously, so that clamping workpiece is stablized, mentions
High machining accuracy.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality
With novel claimed technology contents, it is all described in the claims.
Claims (3)
1. a kind of lathe twin fixed guide-vane internal expanding collet, including the clamper main body that rises (1), it is characterised in that: further include having cage ringfeder
(2), movable sphenoid (3), thrust piece main body (4), end face pushes against sleeve (5) and biasing springs (6), the clamper main body that rises
(1) the front end setting arc valve (11) uniformly distributed there are four annular, the cage ringfeder (2) are nested in the clamper main body that rises (1) arc
On shape valve (11), the activity sphenoid (3) is intercalated in cage ringfeder (2), is equidistantly set at the top of the activity sphenoid (3)
It sets there are four the wedge-shaped briquetting (8) that alternate can be inserted into arc intervalvular spaces, the end of movable sphenoid (3) is provided with pushing axis
(7), it pushes and is arranged with a spacer ring (9) on axis (7), fixation, the thrust piece is bolted in the spacer ring (9) and arc valve
The front end of main body (4) is provided with a Step Shaft (41), and the biasing springs (6) are nested on Step Shaft (41), and the end face pushes away
Pressing sleeve (5) is sheathed on thrust piece main body (4), and the Step Shaft (41) stretches out in end face pushes against sleeve (5) and end face pushes against sleeve (5)
Front end face extruding backward is formed to biasing springs (6).
2. a kind of lathe twin fixed guide-vane internal expanding collet according to claim 1, it is characterised in that: the wedge shape briquetting (8)
Between each other in 90 degree of distributions.
3. a kind of lathe twin fixed guide-vane internal expanding collet according to claim 1, it is characterised in that: arc valve (11) root
Portion is provided with seam allowance step, and cage ringfeder (2) end is provided with seam allowance step contact position and connect groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821421587.3U CN209035494U (en) | 2018-08-31 | 2018-08-31 | A kind of lathe twin fixed guide-vane internal expanding collet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821421587.3U CN209035494U (en) | 2018-08-31 | 2018-08-31 | A kind of lathe twin fixed guide-vane internal expanding collet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209035494U true CN209035494U (en) | 2019-06-28 |
Family
ID=67031947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821421587.3U Active CN209035494U (en) | 2018-08-31 | 2018-08-31 | A kind of lathe twin fixed guide-vane internal expanding collet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209035494U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111558894A (en) * | 2020-05-29 | 2020-08-21 | 温州晨球阀门有限公司 | Sphere grinds machine |
| CN114932435A (en) * | 2022-07-04 | 2022-08-23 | 威海成亚机械加工有限公司 | Internal expansion chuck for walking machine |
| CN117921401A (en) * | 2024-03-22 | 2024-04-26 | 常州市皋翔汽车零部件有限公司 | Positioning and processing tool for center hole of turbine shaft |
-
2018
- 2018-08-31 CN CN201821421587.3U patent/CN209035494U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111558894A (en) * | 2020-05-29 | 2020-08-21 | 温州晨球阀门有限公司 | Sphere grinds machine |
| CN114932435A (en) * | 2022-07-04 | 2022-08-23 | 威海成亚机械加工有限公司 | Internal expansion chuck for walking machine |
| CN117921401A (en) * | 2024-03-22 | 2024-04-26 | 常州市皋翔汽车零部件有限公司 | Positioning and processing tool for center hole of turbine shaft |
| CN117921401B (en) * | 2024-03-22 | 2024-05-31 | 常州市皋翔汽车零部件有限公司 | Positioning and processing tool for center hole of turbine shaft |
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