CN202922224U - Internal thread grinder workpiece installation positioning fixture - Google Patents
Internal thread grinder workpiece installation positioning fixture Download PDFInfo
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- CN202922224U CN202922224U CN 201220453881 CN201220453881U CN202922224U CN 202922224 U CN202922224 U CN 202922224U CN 201220453881 CN201220453881 CN 201220453881 CN 201220453881 U CN201220453881 U CN 201220453881U CN 202922224 U CN202922224 U CN 202922224U
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Abstract
The utility model relates to the field of metal cutting machining, in particular to an internal thread grinder workpiece installation positioning fixture. The fixture is composed of a machine tool connecting element (1), a main body element (2), radial positioning elements (14), a quick clamping device, an axial positioning device, and a resetting device. Compared with the prior art, according to the internal thread grinder workpiece installation positioning fixture, an outer circle and a rack of a workpiece are adopted as a positioning datum, and therefore positioning is reliable, positional accuracy requirements of a spiral roller path, the outer circle and the rack of the workpiece can be met, and replacement of workpiece types can be quickly achieved after the positioning elements of the fixture are replaced. When the fixture is used for machining a thread circular-arc roller path of a nut of an automobile steering device through a numerical control internal thread grinder, the machine tool only needs adjusting when a first workpiece is machined, then, high-precision and efficient machining on workpieces can be carried out, workpiece installation positioning time is greatly shortened, and machine tool adjusting time for each workpiece is saved.
Description
Technical field
The utility model relates to the metal cutting manufacture field, and particularly a kind of internal thread grinding machine workpiece is installed positioning fixture.
Background technology
The automobile steering device nut is the vital part of automobile steering device assembly, there is very high position accuracy demand at cylindrical and the tooth bar position of its spiral arc raceway and nut, therefore require cylindrical and tooth bar location with the steering gear nut when internal thread grinding machine grinding automobile steering device nut spiral arc raceway.Workpiece is positioning and clamping accurately, directly has influence on dimensional accuracy, form accuracy and the surface quality of steering gear nut spiral arc raceway processing.
Existing universal fixturing can't satisfy the above-mentioned positioning requirements of workpiece, and special fixture lacks versatility, and every kind of anchor clamps can only use for the single variety part, and the adjustment time of lathe is long when the renewal part kind, affect the working (machining) efficiency of lathe, caused production cost to rise.
Summary of the invention
The purpose of this utility model is for solving deficiency of the prior art, providing a kind of internal thread grinding machine workpiece that positioning fixture is installed.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of internal thread grinding machine workpiece is installed positioning fixture, it is characterized in that, and by the lathe Connection Element, body element, radial location element and fast fixture, axial direction positioning device, resetting means forms.
Described lathe Connection Element and body element, the lathe Connection Element is connected on the machine tool chief axis, and body element is installed on the lathe Connection Element.
Two bottom surfaces that described radial location element is installed in rebound become in the groove of 90 degree, and rebound is fixed on the body element.
Described fast fixture is made of clamping screw, slide plate, locating dowel,
Its mounting means is: on the support that fast fixture is installed in body element links to each other, clamping screw is installed on the slide plate, and locating dowel is connected with support with screw thread by two kidney slots on the slide plate.
On the support that described axial direction positioning device is installed in body element links to each other, consisted of by slippage post, rectangle guide plate, connecting plate, axial location element,
Its mounting means is: the slippage post is through in the slip hole on the support, and the axial location element is contained in the V-shaped groove of connecting plate, and the rectangle guide plate links to each other with connecting plate, is installed in the gathering sill of support.
Described resetting means is made of spring guide pillar and back-moving spring,
Its mounting means is: spring guide pillar is installed on the connecting plate of axial direction positioning device, and back-moving spring is installed between the shaft shoulder of support and spring guide pillar.
Compared with prior art, the cylindrical of the utility model employing workpiece and tooth bar are as positioning datum, the location is reliable, has guaranteed the position accuracy demand of workpiece spiral rolling track and cylindrical, tooth bar, can realize fast the replacing of workpiece kind behind the locating element of changing this device.When this device is used for CNC grinder for internal thread processing automobile steering gear nut thread arc raceway, only need when the first workpiece of processing, lathe to be adjusted, then get final product high-precision high-efficiency workpiece is processed, greatly reduce workpiece be installed positioning time, saved the lathe of every workpiece and adjusted the time.
Description of drawings
Fig. 1 is the axial cutaway view of the utility model.
Fig. 2 is the utility model radial cross-section.
Wherein, 1-lathe Connection Element, 2-body element, 3-support, 4-clamping screw, the 5-slide plate, 6-slippage post, 7-rectangle guide plate, 8-connecting plate, 9-axial location element, the 10-rebound, 11-spring guide pillar, 12-back-moving spring, 13-locating dowel, 14-radial location element.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Present embodiment is for the metal cutting manufacture field, and particularly a kind of internal thread grinding machine workpiece is installed positioning fixture, by lathe Connection Element 1, and body element 2, radial location element 14 and axial direction positioning device, fast fixture, resetting means forms.
Lathe Connection Element 1 is the transition element that body element 2 is connected with the Machinetool workpiece main shaft that uses this device, be fixed by screws on the Machinetool workpiece main shaft, require this part that reliable positioning accuracy is arranged, the installation site of assurance device main body on lathe accurately and reliably.Its design feature is that the conical surface and cylinder have the axiality requirement by the flange disk-like accessory of taper seat and shoulder face, the face of cylinder and shoulder face location, thereby the anchor clamps orientation axis that guarantees part to be processed is consistent with the machine tool chief axis axis.
Two bottom surfaces that radial location element 14 usefulness screws are installed in rebound 10 become in the groove of 90 degree, and rebound 10 is screwed on body element 2, are the location steering gear nut axis elements coaxial with the machine tool chief axis axis of rotation.Require radial location element 14 that reliable positioning accuracy and repetitive positioning accuracy are arranged, high service life and precision stability are arranged.Its design feature adopts two strip and block part forming V-shapes, 90 degree layouts, by steering gear nut excircle orientation.Radial location element 14 can easily be pulled down replacing from rebound 10, just can adapt to the processing needs of different-diameter specification steering gear nut by adjusting its gauge.
On the support that axial direction positioning device is installed in body element links to each other, consisted of by slippage post 6, rectangle guide plate 7, connecting plate 8, axial location element 9, realize that steering gear nut in location is in the function of machine tool chief axis axis direction position.The teeth groove of steering gear nut and spiral arc raceway have status requirement, and it is positioning datum that its axial location adopts teeth groove.Its design feature is to adopt cylindrical part with tooth bar precision measure cylinder consistent size as setting element, moves up and down, and can insert and extracts steering gear nut teeth groove.Axial direction positioning device obtains coupling mechanism force by slippage post 6 from fast fixture.Axial location element 9 is contained in the V-shaped groove of connecting plate 8, can pull down easily, changes the axial location element of different-diameter size, to adapt to the processing needs of different size steering gear nut.Rectangle guide plate 7 links to each other with connecting plate 8 by screw, is contained in the gathering sill of support 3, is used for guiding, location that axial location element 9 moves up and down, and its function is the repeatable accuracy that guarantees setting element 9 motions, requires guiding accurately, and the location is reliable.
Fast fixture is made of clamping screw 4, slide plate 5, locating dowel 13, is installed on the support 3 that links to each other with body element 2.Clamping screw 4 is contained on the slide plate 5, and locating dowel 13 is connected with support 3 with screw thread by two kidney slots on the slide plate 5.Clamping screw 4 moves down, and slippage post 6 overcomes workpiece gravity and cutting force for anchor clamps provide enough clamping forces, and workpiece is reliably located.Its design feature is to adopt the spiral force-increasing mechanism to produce clamping force, and slide plate 5 moves forward and backward slippage post 6 Quick releases with axial direction positioning device by kidney slot, realizes the steering gear nut is unclamped and Quick-clamped fast.
Resetting means is made of spring guide pillar 11 and back-moving spring 12, spring guide pillar 11 is installed on the connecting plate 8 of axial direction positioning device by screw thread, back-moving spring 12 is contained between the shaft shoulder of support 3 and spring guide pillar 11, its effect is to mention axial direction positioning device when fast fixture and axial direction positioning device disengagement, the teeth groove of itself and steering gear nut is broken away from, so that change part to be processed.Its design feature is to rely on spring force to realize resetting compact conformation, reliable in action.
More than be to specify of the present utility model, this programme not only is confined among the above embodiment, all will fall in the utility model protection domain for any change of making under this programme inventive concept.
Claims (4)
1. an internal thread grinding machine workpiece is installed positioning fixture, it is characterized in that, by lathe Connection Element (1), body element (2), radial location element (14) and fast fixture, axial direction positioning device, resetting means forms, wherein, described lathe Connection Element (1) is connected on the machine tool chief axis, body element (2) is installed on the lathe Connection Element (1), two bottom surfaces that radial location element (14) is installed in rebound (10) become in the groove of 90 degree, rebound (10) is fixed on the body element (2), fast fixture, axial direction positioning device and resetting means are installed in respectively on the support (3).
2. according to the described a kind of internal thread grinding machine workpiece of claim 1 positioning fixture is installed, is it is characterized in that, described fast fixture is made of clamping screw (4), slide plate (5), locating dowel (13),
Its mounting means is: fast fixture is installed on the support (3) that links to each other with body element (2), clamping screw (4) is installed on the slide plate (5), and locating dowel (13) is connected with support (3) with screw thread by two kidney slots on the slide plate (5).
3. according to the described a kind of internal thread grinding machine workpiece of claim 1 positioning fixture is installed, it is characterized in that, described axial direction positioning device is installed on the support (3) that links to each other with body element (2), consisted of by slippage post (6), rectangle guide plate (7), connecting plate (8), axial location element (9)
Its mounting means is: slippage post (6) is through in the slip hole on the support (3), axial location element (9) is contained in the V-shaped groove of connecting plate (8), rectangle guide plate (7) links to each other with connecting plate (8), is installed in the gathering sill of support (3).
4. according to the described a kind of internal thread grinding machine workpiece of claim 1 positioning fixture is installed, is it is characterized in that, described resetting means is made of spring guide pillar (11) and back-moving spring (12),
Its mounting means is: spring guide pillar (11) is installed on the connecting plate (8) of axial direction positioning device, and back-moving spring (12) is installed between the shaft shoulder of support (3) and spring guide pillar (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220453881 CN202922224U (en) | 2012-09-07 | 2012-09-07 | Internal thread grinder workpiece installation positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220453881 CN202922224U (en) | 2012-09-07 | 2012-09-07 | Internal thread grinder workpiece installation positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202922224U true CN202922224U (en) | 2013-05-08 |
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ID=48212217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220453881 Expired - Fee Related CN202922224U (en) | 2012-09-07 | 2012-09-07 | Internal thread grinder workpiece installation positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202922224U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934516A (en) * | 2014-04-23 | 2014-07-23 | 吕江源 | All-in-one machine for machining components with internal threads |
| CN104475882A (en) * | 2014-11-18 | 2015-04-01 | 重庆速腾机械制造有限公司 | Frame type internal locating thread machining tool |
| CN105500040A (en) * | 2016-02-22 | 2016-04-20 | 宁夏新瑞长城机床有限公司 | Machining fixture system of automobile steering screw outer raceway |
| CN108491092A (en) * | 2018-02-06 | 2018-09-04 | 佛山市高明区杨和金属材料专业镇技术创新中心 | A kind of Mouse used by foot |
| CN113333877A (en) * | 2021-06-01 | 2021-09-03 | 四川航天长征装备制造有限公司 | Detachable variable-diameter reverse thread repairing device |
-
2012
- 2012-09-07 CN CN 201220453881 patent/CN202922224U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934516A (en) * | 2014-04-23 | 2014-07-23 | 吕江源 | All-in-one machine for machining components with internal threads |
| CN103934516B (en) * | 2014-04-23 | 2016-08-24 | 吕江源 | A kind of processing has the all-in-one of interior threaded part |
| CN104475882A (en) * | 2014-11-18 | 2015-04-01 | 重庆速腾机械制造有限公司 | Frame type internal locating thread machining tool |
| CN105500040A (en) * | 2016-02-22 | 2016-04-20 | 宁夏新瑞长城机床有限公司 | Machining fixture system of automobile steering screw outer raceway |
| CN108491092A (en) * | 2018-02-06 | 2018-09-04 | 佛山市高明区杨和金属材料专业镇技术创新中心 | A kind of Mouse used by foot |
| CN113333877A (en) * | 2021-06-01 | 2021-09-03 | 四川航天长征装备制造有限公司 | Detachable variable-diameter reverse thread repairing device |
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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: 20130508 Termination date: 20210907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |