CN207043964U - Automatic fixture is ground outside one kind friction Wedge-type - Google Patents
Automatic fixture is ground outside one kind friction Wedge-type Download PDFInfo
- Publication number
- CN207043964U CN207043964U CN201720436156.3U CN201720436156U CN207043964U CN 207043964 U CN207043964 U CN 207043964U CN 201720436156 U CN201720436156 U CN 201720436156U CN 207043964 U CN207043964 U CN 207043964U
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- ring
- sleeve
- screw
- wedge
- voussoir
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Abstract
The utility model discloses grind automatic fixture outside one kind friction Wedge-type.It includes top adpting flange, left end cap, head frame, locating flange, intermediate sleeve, hex nut, spline inner sleeve, support ring, wedge ring, ring, voussoir, support ring abutment sleeve, needle bearing, right end cap.Adpting flange of the present utility model is arranged on by screw on the gear of head frame, adpting flange, support ring are fixed, ring passes sequentially through screw and fixed, ring is connected by 3 uniform fingers with 3 voussoirs, 3 voussoirs are respectively embedded in 3 surface grooves of wedge ring, locating flange is fixed on the body of a frame, and be connected with intermediate sleeve, spline inner sleeve is connected with wedge ring, and the inside and outside cone spring that pretension is crossed is provided between intermediate sleeve and spline inner sleeve.The utility model replaces existing common hand chuck and hydraulic-driven chuck using voussoir Automatic-clamping mode, realizes automatic clamping function while simplifying structure, and ensure grinding accuracy.
Description
Technical field
The utility model is related to a kind of Wedge-type cylindrical grinder fixture, especially for it is a kind of it is high-precision can Automatic-clamping
Automatic fixture is ground with the fast switching excircle for unclamping workpiece.
Background technology
As a kind of high-precision process technology, crudy and assembly precision to part have extremely important for grinding
Influence.During actual processing, the amount of labour and the precision being likely to be breached and the centering of installation way and fixture that peripheral milling is consumed
Precision has much relations.At present in headstock for cylindrical grinding machine structure, the clamping and positioning of workpiece and gyration mainly have：First, use
Head frame and tailstock center top tight workpiece, then manually adjust 3 jaws clamps on chuck respectively and drive workpiece to turn round；
2nd, using the top top tight workpiece between head frame and tailstock, eccentric clamping and driving lever be installed on head frame, chuck clamps work during grinding
Part, driving lever striking clamp and workpiece rotate together.3rd, using hydraulic chuck clamping workpiece and tailstock center top tight workpiece, then by
Motor driven chuck and workpiece rotate.The first is in clamping, it is necessary to which manually adjusting chuck jaws respectively clamps workpiece, automation
Degree is not high, and easily presss from both sides inclined workpiece when claw clamping force is inconsistent, causes workpiece axis of rotation not weighed with headstock spindle center line
The eccentric rotary of workpiece when certainly will cause grinding is closed, so as to influence machining accuracy.The electromechanical hydraulic power that second method uses
Mode, jig automaticity improve while, its cost also accordingly improves.
The content of the invention
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided one kind friction Wedge-type outside grind automatic fixture and
Its application method.
The Wedge-type that rubs grinds automatic fixture outside includes adpting flange, screw M6x25, left end cap, screw M5x25, head frame top
Point, dottle pin, bearing abutment sleeve, machine tool headstock belt wheel, locating flange, intermediate sleeve, outer cone spring, inner cone spring, spring are fixed
Bit slice, complete needle bearing, hex nut, bearing positioning ring, locating snap ring, spline inner sleeve, support ring, abutment sleeve, wedge ring,
Ring, back-moving spring, spring housing, finger, finger nut, voussoir, dottle pin, support ring abutment sleeve, needle bearing, screw
M6x50, screw M6x30, sleeve locating snap ring, right end cap, top locating snap ring, needle bearing and dottle pin；
Adpting flange and locating flange are turned by the gear of screw M6x25 and screw M5x25 and machine tool headstock belt wheel respectively
Son and stator are fastenedly connected, and intermediate sleeve screw is connected with locating flange, and left end cap is connected by screw with intermediate sleeve, only
Rotating ring is stuck in the top shaft shoulder of a frame, and bearing positioning ring is arranged on the right side of spline inner sleeve endoporus and fixed by locating snap ring, complete rolling
Needle bearing is arranged in spline inner sleeve, inner ring by dottle pin with head frame is top is fixedly connected, outer shroud passes through bearing abutment sleeve
Fixed with spline inner sleeve, spline inner sleeve screwed hole aligns with left end cap screwed hole, and inner cone spring housing is outside spline inner sleeve
On circle, outer cone spring is arranged between intermediate sleeve and spline inner sleeve, and spring spacer is enclosed on spline inner sleeve and propped up
On the right side of inner cone spring, hex nut props up spring spacer by screw threads for fastening on spline inner sleeve on the left of it, dottle pin is fixed
Between intermediate sleeve and spline inner sleeve, right end cap is fixed by screw and intermediate sleeve；
Needle bearing is enclosed on support ring abutment sleeve, and support ring abutment sleeve is embedded in support ring mounting hole, support
Ring abutment sleeve endoporus interference fit joint wedge ring, sleeve locating snap ring are caught in wedge ring neck, and abutment sleeve is enclosed on wedge ring, and its left side is supported
Firmly spline inner sleeve, needle bearing is top between wedge ring installed in head frame, and wedge ring is fixed by external splines and inner spline sleeve
Connection, dottle pin be enclosed on a frame it is top on, top locating snap ring is nested on the top right side shaft shoulder of a frame and props up needle bearing, support ring
Fixed with screw M6x30 with adpting flange；
Back-moving spring one end is pressed into spring housing, in the spring eye of other end press-in voussoir, the pin-shifting hole of ring and voussoir
Pin-shifting hole is alignd, and is connected to voussoir by finger and finger nut and pulls out on ring, and 3 voussoirs are respectively embedded into 3 grooves of wedge ring,
Ring is fixed by screw M6x50 with support ring.
Additional threaded bores are provided with described left end cap and spline inner sleeve, spiral shell is penetrated by additional screws in assembling
Pit connects both, and both are fixed in frock afterwards, then subsequently tightens hex nut.
Described pulling pin is provided with certain gap between voussoir, the non-clamping end of voussoir be provided with inclined-plane and with it is corresponding
Wedge ring groove inclined-plane formed can small slip prismatic pair, 3 voussoirs are circumferentially uniform on ring and wedge ring.
The application method that automatic fixture is ground outside friction Wedge-type comprises the following steps：
1) outside grinding during circular Curve, head, tail frame is top first provides driving force by workpiece pre-tightening, emery wheel by hydraulic oil
Close to workpiece, grinding wheel drive mitor and machine tool headstock electric motor starting；
2) motor driven machine tool headstock belt wheel rotates, and belt wheel drives adpting flange, support ring and ring to rotate, and ring rotates
When, the individual voussoir on ring is along wedge ring inclined-plane minute movement, and inner cone spring and outer cone spring swelling are in intermediate sleeve and spline
Resistance is produced between sleeve to voussoir, wheel grinding workpiece produces grinding resistance to workpiece and voussoir, and voussoir continues along wedge ring
Up to voussoir wedging is between wedge ring inclined-plane and workpiece, voussoir drives wedge ring and workpiece to rotate the automatic folder of realization together for inclined-plane movement
The purpose of clamping of workpieces；
3) during completion of processing, emery wheel exits workpiece, and grinding wheel drive mitor stops operating, machine tool headstock motor driven machine tool headstock band
Wheel, adpting flange, support ring and ring rotate backward, and resistance caused by motor reversal moment inner cone spring and outer cone spring makes wedge
Ring is motionless, and voussoir moves backward along wedge ring surface groove, and workpiece is released, and voussoir restores to the original state under action of reset spring.
During using the utility model processing excircles workpiece, using it is top hold out against and chuck clamp by the way of come clamping workpiece,
Frame is top penetrates inside fixture for head, and head, tail frame is top to provide driving force by workpiece pre-tightening by hydraulic oil, ensures the coaxial of workpiece
Degree, motor driven head frame pinion rotation, gear drive adpting flange, support ring and ring to rotate, and then drive 3 on ring
Voussoir is moved along wedge ring inclined-plane, and the Automatic-clamping of workpiece is realized by the minute movement of voussoir, not only saves clamping time, is improved
Operating efficiency, also improve clamping precision.The utility model replaces existing common manual card using voussoir Automatic-clamping mode
Disk and hydraulic-driven chuck, automatic clamping function is realized while simplifying structure, and ensure grinding accuracy.Ring, seriation
Voussoir, back-moving spring, spring housing, finger, the assembling of finger screw use set of form, and it is straight to can be very good adaptation excircle of workpiece
The practical condition that footpath changes within the specific limits.
Brief description of the drawings
Fig. 1 is the overall schematic cross-sectional view that automatic fixture is ground outside the utility model friction Wedge-type；
Fig. 2 is the partial schematic sectional view that automatic fixture ring and wedge ring are ground outside the utility model friction Wedge-type；
Fig. 3 is to grind automatic fixture voussoir and the structure of wedge ring and showing for relative position outside the utility model friction Wedge-type
It is intended to；
In figure, adpting flange 1, screw M6x25 2, left end cap 3, screw M5x25 4, head frame are top 5, dottle pin 6, bearing are fixed
Position sleeve 7, machine tool headstock belt wheel 8, locating flange 9, intermediate sleeve 10, outer cone spring 11, inner cone spring 12, spring spacer
13rd, complete needle bearing 14, hex nut 15, bearing positioning ring 16, locating snap ring 17, spline inner sleeve 18, support ring 19, positioning
Sleeve 20, wedge ring 21, ring 22, back-moving spring 23, spring housing 24, finger 25, finger nut 26, voussoir 27, dottle pin 28, support
It is ring abutment sleeve 29, needle bearing 30, screw M6x50 31, screw M6x30 32, sleeve locating snap ring 33, right end cap 34, top
Locating snap ring 35, needle bearing 36, dottle pin 37.
Embodiment
As shown in Figure 1, 2, rub Wedge-type outside grind automatic fixture include adpting flange 1, screw M6x25 2, left end cap 3,
Screw M5x25 4, head frame are top 5, dottle pin 6, bearing abutment sleeve 7, machine tool headstock belt wheel 8, locating flange 9, intermediate sleeve 10,
Outer cone spring 11, inner cone spring 12, spring spacer 13, complete needle bearing 14, hex nut 15, bearing positioning ring 16, only
Rotating ring 17, spline inner sleeve 18, support ring 19, abutment sleeve 20, wedge ring 21, ring 22, back-moving spring 23, spring housing 24, dial
Pin 25, finger nut 26, voussoir 27, dottle pin 28, support ring abutment sleeve 29, needle bearing 30, screw M6x50 31, screw
M6x30 32, sleeve locating snap ring 33, right end cap 34, top locating snap ring 35, needle bearing 36 and dottle pin 37；
Adpting flange 1 and locating flange 9 pass through screw M6x25 2 and screw M5x25 4 and machine tool headstock belt wheel 8 respectively
Gear rotor and stator are fastenedly connected, and intermediate sleeve 10 is connected with screw with locating flange 9, and left end cap 3 passes through screw and centre
Sleeve 10 connects, and locating snap ring 17 is stuck in top 5 shaft shoulder of a frame, and bearing positioning ring 16 is arranged on logical on the right side of the endoporus of spline inner sleeve 18
Cross locating snap ring 17 to fix, complete needle bearing 14 is arranged in spline inner sleeve 18, and inner ring is solid by dottle pin 6 and head frame top 5
Fixed connection, outer shroud are fixed by bearing abutment sleeve 7 and spline inner sleeve 18, the screwed hole of spline inner sleeve 18 and the spiral shell of left end cap 3
Pit is alignd, and inner cone spring 12 is enclosed on the outer ring of spline inner sleeve 18, and outer cone spring 11 is arranged in intermediate sleeve 10 and spline
Between sleeve 18, spring spacer 13 is enclosed on spline inner sleeve 18 and props up the right side of inner cone spring 12, and hex nut 15 passes through
Screw threads for fastening props up spring spacer 13 on spline inner sleeve 18 on the left of it, dottle pin 37 is fixed in intermediate sleeve 10 and spline
Between sleeve 18, right end cap 34 is fixed by screw and intermediate sleeve 10；
Needle bearing 30 is enclosed on support ring abutment sleeve 29, and support ring abutment sleeve 29 is embedded in the mounting hole of support ring 19
Interior, the endoporus interference fit joint wedge ring 21 of support ring abutment sleeve 29, sleeve locating snap ring 33 is caught in the neck of wedge ring 21,20 sets of abutment sleeve
On wedge ring 21, its left side props up spline inner sleeve 18, and needle bearing 36 is arranged between head frame top 5 and wedge ring 21, wedge ring
21 are fixedly connected by external splines with inner spline sleeve 18, and dottle pin 28 is enclosed on a frame top 5, and top locating snap ring 35 is nested in head
Needle bearing 36 is propped up on the top 5 right side shaft shoulder of frame, support ring 19 is fixed with screw M6x30 32 and adpting flange 1；
The one end of back-moving spring 23 is pressed into spring housing 24, and the other end is pressed into the spring eye of voussoir 27, the pin-shifting hole of ring 22
Alignd with the pin-shifting hole of voussoir 27, be connected to voussoir 27 by finger 25 and finger nut 26 and pull out on ring 22,3 voussoirs 27
It is respectively embedded into 3 grooves of wedge ring 21, ring 22 is fixed by screw M6x50 31 and support ring 19.
As shown in figure 1, being provided with additional threaded bores on left end cap 3 of the present utility model and spline inner sleeve 18, assembling
When penetrate screwed hole by additional screws and connect both, both are fixed in frock afterwards, then subsequently tighten hex nut
15。
As shown in Figure 2,3, of the present utility model pull pin is provided with certain gap between 25 and voussoir 27,27 non-folder of voussoir
Tight end be provided with inclined-plane and with the corresponding groove inclined-plane of wedge ring 21 formed can small slip prismatic pair, 3 voussoirs 27 are in ring 22
With it is circumferentially uniform on wedge ring 21.
The application method that automatic fixture is ground outside friction Wedge-type comprises the following steps：
1) outside grinding during circular Curve, head, tail frame top 5 provides driving force by workpiece pre-tightening, sand by hydraulic oil first
Wheel is close to workpiece, grinding wheel drive mitor and machine tool headstock electric motor starting；
2) motor driven machine tool headstock belt wheel 8 rotates, and belt wheel drives adpting flange 1, support ring 19 and ring 22 to rotate, and dials
When ring 22 rotates, 3 voussoirs 27 on ring exist along the inclined-plane minute movement of wedge ring 21, inner cone spring 12 and the swelling of outer cone spring 11
Resistance is produced between intermediate sleeve 10 and spline inner sleeve 18 to voussoir, wheel grinding workpiece produces grinding resistance to workpiece and voussoir
Power, voussoir 27 continues to move along the inclined-plane of wedge ring 21 until voussoir wedging is between wedge ring inclined-plane and workpiece, and voussoir drives wedge ring
21 and workpiece rotate the purpose for realizing Automatic-clamping workpiece together；
3) during completion of processing, emery wheel exits workpiece, and grinding wheel drive mitor stops operating, machine tool headstock motor driven machine tool headstock band
Wheel 8, adpting flange 1, support ring 19 and ring 22 rotate backward, and motor reversal moment inner cone spring 12 and outer cone spring 11 produce
Resistance make wedge ring 21 motionless, voussoir 27 along the surface groove of wedge ring 21 move backward, workpiece i.e. be released, voussoir 27 reset bullet
The effect of spring 23 is lower to restore to the original state.
Claims (2)
1. grind automatic fixture outside one kind friction Wedge-type, it is characterised in that including adpting flange（1）, screw M6x25（2）, left end
Lid（3）, screw M5x25（4）, head frame it is top（5）, dottle pin（6）, bearing abutment sleeve（7）, machine tool headstock belt wheel（8）, positioning mode
It is blue（9）, intermediate sleeve（10）, outer cone spring（11）, inner cone spring（12）, spring spacer（13）, complete needle bearing（14）、
Hex nut（15）, bearing positioning ring（16）, locating snap ring（17）, spline inner sleeve（18）, support ring（19）, abutment sleeve
（20）, wedge ring（21）, ring（22）, back-moving spring（23）, spring housing（24）, finger（25）, finger nut（26）, voussoir
（27）, dottle pin（28）, support ring abutment sleeve（29）, needle bearing（30）, screw M6x50（31）, screw M6x30（32）, set
Cylinder locating snap ring（33）, right end cap（34）, top locating snap ring（35）, needle bearing（36）And dottle pin（37）；
Adpting flange（1）And locating flange（9）Pass through screw M6x25 respectively（2）With screw M5x25（4）With machine tool headstock belt wheel
（8）Gear rotor and stator be fastenedly connected, intermediate sleeve（10）With screw and locating flange（9）Connection, left end cap（3）Pass through
Screw and intermediate sleeve（10）Connection, locating snap ring（17）It is top to be stuck in a frame（5）The shaft shoulder, bearing positioning ring（16）Installed in spline
Inner sleeve（18）Pass through locating snap ring on the right side of endoporus（17）It is fixed, complete needle bearing（14）Installed in spline inner sleeve（18）It is interior,
Inner ring passes through dottle pin（6）It is top with head frame（5）It is fixedly connected, outer shroud passes through bearing abutment sleeve（7）With spline inner sleeve（18）
It is fixed, spline inner sleeve（18）Screwed hole and left end cap（3）Screwed hole aligns, inner cone spring（12）It is enclosed on spline inner sleeve（18）
On outer ring, outer cone spring（11）Installed in intermediate sleeve（10）With spline inner sleeve（18）Between, spring spacer（13）It is enclosed on
Spline inner sleeve（18）Go up and prop up inner cone spring（12）Right side, hex nut（15）By screw threads for fastening in spline inner sleeve
（18）Its upper left side props up spring spacer（13）, dottle pin（37）It is fixed on intermediate sleeve（10）With spline inner sleeve（18）It
Between, right end cap（34）Pass through screw and intermediate sleeve（10）It is fixed；
Needle bearing（30）It is enclosed on support ring abutment sleeve（29）On, support ring abutment sleeve（29）It is embedded in support ring（19）Peace
Fill in hole, support ring abutment sleeve（29）Endoporus interference fit joint wedge ring（21）, sleeve locating snap ring（33）It is caught in wedge ring（21）Neck,
Abutment sleeve（20）It is enclosed on wedge ring（21）On, its left side props up spline inner sleeve（18）, needle bearing（36）Installed in head frame top
Point（5）And wedge ring（21）Between, wedge ring（21）Pass through external splines and inner spline sleeve（18）It is fixedly connected, dottle pin（28）It is enclosed on head
Frame is top（5）On, top locating snap ring（35）It is top to be nested in a frame（5）Needle bearing is propped up on the shaft shoulder of right side（36）, support ring
（19）With screw M6x30（32）With adpting flange（1）It is fixed；
Back-moving spring（23）One end is pressed into spring housing（24）, other end press-in voussoir（27）Spring eye in, ring（22）Dial
Pin-and-hole and voussoir（27）Pin-shifting hole alignment, pass through finger（25）With finger nut（26）Make voussoir（27）It is connected to and pulls out ring（22）
On, 3 voussoirs（27）It is respectively embedded into wedge ring（21）3 grooves in, ring（22）Pass through screw M6x50（31）With support ring（19）
It is fixed.
2. grind automatic fixture outside a kind of friction Wedge-type according to claim 1, it is characterised in that described pulls pin（25）
With voussoir（27）Between be provided with certain gap, voussoir（27）Non-clamping end be provided with inclined-plane and with corresponding wedge ring（21）Groove
Inclined-plane formed can small slip prismatic pair, 3 voussoirs（27）In ring（22）And wedge ring（21）On it is circumferentially uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720436156.3U CN207043964U (en) | 2017-04-24 | 2017-04-24 | Automatic fixture is ground outside one kind friction Wedge-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720436156.3U CN207043964U (en) | 2017-04-24 | 2017-04-24 | Automatic fixture is ground outside one kind friction Wedge-type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207043964U true CN207043964U (en) | 2018-02-27 |
Family
ID=61490215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720436156.3U Expired - Fee Related CN207043964U (en) | 2017-04-24 | 2017-04-24 | Automatic fixture is ground outside one kind friction Wedge-type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207043964U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397085A (en) * | 2018-11-29 | 2019-03-01 | 陕西法士特汽车传动集团有限责任公司 | It is a kind of for modifying the universal fixturing of external friction annular groove mouth |
| CN111069990A (en) * | 2020-01-08 | 2020-04-28 | 浙江方圆机床制造有限公司 | Centerless grinder bracket |
-
2017
- 2017-04-24 CN CN201720436156.3U patent/CN207043964U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397085A (en) * | 2018-11-29 | 2019-03-01 | 陕西法士特汽车传动集团有限责任公司 | It is a kind of for modifying the universal fixturing of external friction annular groove mouth |
| CN109397085B (en) * | 2018-11-29 | 2024-02-06 | 陕西法士特汽车传动集团有限责任公司 | Universal clamp for trimming notch of outer friction ring |
| CN111069990A (en) * | 2020-01-08 | 2020-04-28 | 浙江方圆机床制造有限公司 | Centerless grinder bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20190424 |