CN204913306U - Roll formula centre frame - Google Patents
Roll formula centre frame Download PDFInfo
- Publication number
- CN204913306U CN204913306U CN201520668694.6U CN201520668694U CN204913306U CN 204913306 U CN204913306 U CN 204913306U CN 201520668694 U CN201520668694 U CN 201520668694U CN 204913306 U CN204913306 U CN 204913306U
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- support column
- center frame
- bearing
- rolling type
- screw mandrel
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Abstract
The utility model discloses a roll formula centre frame, including the body, the inside wall of body constitutes spacing space, and the lateral wall equipartition of body has three lug, and each lug all has the mounting hole, still includes adjustable brace mechanism, and adjustable brace mechanism includes: the support column, it sets up in the mounting hole to slide, and the other end has a mating holes, and the lateral wall of support column has a bar spacing groove, the bearing rotates and installs the tip of wearing out the mounting hole at the support column, the lead screw, lead screw and lug axial fixity, circumferencial direction normal running fit, and lead screw and mating holes screw -thread fit, the screw hole sets up on the body, just to the bar spacing groove, limit screw, with the screw hole cooperation, the tip stretches into bar limiting groove. The utility model discloses a rotate on the support column and install the bearing for after the axle passes roll formula centre frame, the lateral wall of axle and three bearing fit, the bearing can rotate along with the axle, can effectively reduce friction, and guarantee that the axle adds the precision in man -hour.
Description
Technical field
The utility model relates to lathe frock, is specifically related to rolling type center frame.
Background technology
Lathe is that main lathe tool carries out the lathe of turnery processing to the workpiece rotated.On lathe, also available drill bit, reamer, reamer, screw tap, screw die and checkering tool etc. are processed accordingly.In steamer maintenance field, usually need to process axle, lathe is one of machining tool of routine.But and axle that length longer large for volume, easily deforms or channel bit when adopting conventional triangle chuck and thimble mode to be fixed, even having an accident, therefore need to research and develop a kind of for lathe, the frock of auxiliary large mass axes processing.
Utility model content
The utility model, for the problems referred to above, proposes a kind of rolling type center frame.Solving prior art adopts triangle chuck and thimble mode to be fixed axle, is not suitable for the large and problem of the axle that length is longer of volume.
The technical scheme that the utility model is taked is as follows:
A kind of rolling type center frame, comprise the body of ring-type, the madial wall of body forms spacing space, the lateral wall of body is evenly equipped with three along the outward extending projection of body radial direction, each projection all has the installing hole running through projection and body along body radial direction, rolling type center frame also comprises adjustable supporting mechanism, and described adjustable supporting mechanism comprises:
Support column, is slidably arranged in described installing hole, and mounting hole site is stretched out in described spacing space in one end of support column, and the other end has a mating holes, and the sidewall of support column has a bar shaped stopper slot;
Bearing, is rotatably installed in the end that described support column passes installing hole;
Screw mandrel, is arranged on installing hole, screw mandrel and projection axial restraint, and circumferencial direction is rotatably assorted, and one end of screw mandrel is stretched in described mating holes, with mating holes threaded engagement;
Screwed hole, is arranged on body, just to described bar shaped stopper slot;
Limit screw, coordinates with described screwed hole, and end is stretched in described bar shaped stopper slot.
By being rotatablely equipped with bearing on the support columns, after making axle pass rolling type center frame, the sidewall of axle and three bearing fits, bearing can rotate with axle, effectively can reduce friction, and ensures that axle adds the precision in man-hour; Bar shaped stopper slot, screwed hole and Limit screw cooperatively interact, and not only restriction support column moves along the length direction of stopper slot, can move to assigned address finger lock again at support column.
Further, have a groove in the middle part of the end face that described support column is positioned at spacing space, described bearing is arranged in groove, and the inner ring of bearing is fixed on described support column by fixed axis.
Make bearing installation rear better stressed on the support columns by arranging groove, and two relative sidewalls of groove can play position-limiting action.
Further, also position-arresting disk is comprised; Described screw mandrel has a undergauge section away from the side in spacing space, has a step between undergauge section and the thread segment of screw mandrel; Described projection has one for installing the mounting groove of described position-arresting disk away from the end face in spacing space, and the dead in line of the axis of mounting groove and corresponding installing hole; Described position-arresting disk is set in described undergauge section, and with described step against; Rolling type center frame also comprises multiple locating part be fixed in undergauge section, and described position-arresting disk is between step and locating part.
The design of step can prevent leading screw from departing from away from position-arresting disk, and locating part can prevent leading screw from moving to spacing space, and this structure can ensure screw mandrel and projection axial restraint, and circumferencial direction is rotatably assorted.
Further, described screw mandrel has a force section away from the one end in spacing space.
Workman can be facilitated to regulate screw mandrel by arranging force section, thus regulate the position of support column.
Further, body comprises upper and lower, and the hinged cooperation in wherein one end of upper and lower, the other end is interfixed by securing member.
Further, the lateral wall of described body also has a base, and described base is positioned at the middle part of adjacent two projections.
Can be gone up fixing for rolling type center frame in place by base.
The beneficial effects of the utility model are: by being rotatablely equipped with bearing on the support columns, after making axle pass rolling type center frame, the sidewall of axle and three bearing fits, bearing can rotate with axle, effectively can reduce friction, and ensure that axle adds the precision in man-hour; Bar shaped stopper slot, screwed hole and Limit screw cooperatively interact, and not only restriction support column moves along the length direction of stopper slot, can move to assigned address finger lock again at support column.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the utility model rolling type center frame;
Fig. 2 is the structural representation of support column and screw mandrel;
Fig. 3 is the structural representation of support column, screw mandrel and position-arresting disk;
Fig. 4 is the front view of the utility model rolling type center frame;
Fig. 5 is the A-A sectional view in Fig. 4.
In figure, each Reference numeral is:
1, body, 2, projection, 3, force section, 4, screw mandrel, 5, Limit screw, 6, bar shaped stopper slot, 7, support column, 8, bearing, 9, groove, 10, position-arresting disk, 11, top, 12, bottom, 13, base, 14, locating part, 15, mating holes, 16, spacing space, 17, undergauge section, 18, installing hole, 19, mounting groove, 20, fixed axis, 21, screwed hole.
Detailed description of the invention:
Below in conjunction with each accompanying drawing, the utility model is described in detail.
As shown in Fig. 1 ~ 5, a kind of rolling type center frame, comprise the body 1 of ring-type, the madial wall of body 1 forms spacing space 16, the lateral wall of body 1 is evenly equipped with three along the outward extending projection 2 of body radial direction, each projection 2 all has the installing hole 18 running through projection and body along body radial direction, and rolling type center frame also comprises adjustable supporting mechanism, and adjustable supporting mechanism comprises:
Support column 7, be slidably arranged in installing hole 18, and mounting hole site is stretched out in spacing space 16 in one end of support column 7, the other end has a mating holes 15, the sidewall of support column has a bar shaped stopper slot 6, and the length direction of bar shaped stopper slot 6 and the axis being parallel of support column;
Bearing 8, is rotatably installed in the end that support column 7 passes installing hole;
Screw mandrel 4, is arranged on installing hole 18, screw mandrel 4 and projection 2 axial restraint, and circumferencial direction is rotatably assorted, and one end of screw mandrel 4 is stretched in mating holes 15, with mating holes threaded engagement;
Screwed hole 21, is arranged on body 2, just to bar shaped stopper slot;
Limit screw 5, coordinates with screwed hole 21, and end is stretched in bar shaped stopper slot 6.
As shown in Figure 1, in the present embodiment, have a groove 9 in the middle part of the end face that support column 7 is positioned at spacing space, bearing 8 is arranged in groove, and the inner ring of bearing is fixing on the support columns by fixed axis 20.Make bearing installation rear better stressed on the support columns by arranging groove, and two relative sidewalls of groove can play position-limiting action.
In the present embodiment, also comprise position-arresting disk 10; Screw mandrel 4 has a undergauge section 17 away from the side in spacing space 16, has a step between undergauge section 17 and the thread segment of screw mandrel; Projection 2 has one for the mounting groove 19 of mounting limit dish away from the end face in spacing space, and the dead in line of the axis of mounting groove 19 and corresponding installing hole; Position-arresting disk 10 is set in undergauge section 17, and with step against; Rolling type center frame also comprises multiple locating part 14 be fixed in undergauge section, and position-arresting disk is between step and locating part.The design of step can prevent leading screw from departing from away from position-arresting disk, and locating part can prevent leading screw from moving to spacing space, and this structure can ensure screw mandrel and projection axial restraint, and circumferencial direction is rotatably assorted.
In the present embodiment, screw mandrel 4 has a force section 3 away from the one end in spacing space.Workman can be facilitated to regulate screw mandrel by arranging force section, thus regulate the position of support column.
In the present embodiment, body 1 comprises top 11 and bottom 12, the hinged cooperation in wherein one end of upper and lower, and the other end is interfixed by securing member; The lateral wall of body 1 also has a base 13, and base 13 is positioned at the middle part of adjacent two projections 2.Rolling type center frame can be fixed on the suitable position of lathe by base.
The present embodiment passes through to be rotatablely equipped with bearing on the support columns, after making axle pass rolling type center frame, and the sidewall of axle and three bearing fits, bearing can rotate with axle, effectively can reduce friction, and ensures that axle adds the precision in man-hour; Bar shaped stopper slot, screwed hole and Limit screw cooperatively interact, and not only restriction support column moves along the length direction of stopper slot, can move to assigned address finger lock again at support column.
The foregoing is only preferred embodiment of the present utility model; not thereby scope of patent protection of the present utility model is namely limited; the equivalent structure transformation that every utilization the utility model description and accompanying drawing content are done; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in protection domain of the present utility model.
Claims (6)
1. a rolling type center frame, it is characterized in that, comprise the body of ring-type, the madial wall of body forms spacing space, the lateral wall of body is evenly equipped with three along the outward extending projection of body radial direction, each projection all has the installing hole running through projection and body along body radial direction, and rolling type center frame also comprises adjustable supporting mechanism, and described adjustable supporting mechanism comprises:
Support column, is slidably arranged in described installing hole, and mounting hole site is stretched out in described spacing space in one end of support column, and the other end has a mating holes, and the sidewall of support column has a bar shaped stopper slot;
Bearing, is rotatably installed in the end that described support column passes installing hole;
Screw mandrel, is arranged on installing hole, screw mandrel and projection axial restraint, and circumferencial direction is rotatably assorted, and one end of screw mandrel is stretched in described mating holes, with mating holes threaded engagement;
Screwed hole, is arranged on body, just to described bar shaped stopper slot;
Limit screw, coordinates with described screwed hole, and end is stretched in described bar shaped stopper slot.
2. rolling type center frame as claimed in claim 1, is characterized in that, have a groove in the middle part of the end face that described support column is positioned at spacing space, described bearing is arranged in groove, and the inner ring of bearing is fixed on described support column by fixed axis.
3. rolling type center frame as claimed in claim 1, is characterized in that, also comprise position-arresting disk; Described screw mandrel has a undergauge section away from the side in spacing space, has a step between undergauge section and the thread segment of screw mandrel; Described projection has one for installing the mounting groove of described position-arresting disk away from the end face in spacing space, and the dead in line of the axis of mounting groove and corresponding installing hole; Described position-arresting disk is set in described undergauge section, and with described step against; Rolling type center frame also comprises multiple locating part be fixed in undergauge section, and described position-arresting disk is between step and locating part.
4. rolling type center frame as claimed in claim 3, it is characterized in that, described screw mandrel has a force section away from the one end in spacing space.
5. rolling type center frame as claimed in claim 1, it is characterized in that, body comprises upper and lower, and the hinged cooperation in wherein one end of upper and lower, the other end is interfixed by securing member.
6. rolling type center frame as claimed in claim 1, it is characterized in that, the lateral wall of described body also has a base, and described base is positioned at the middle part of adjacent two projections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520668694.6U CN204913306U (en) | 2015-08-31 | 2015-08-31 | Roll formula centre frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520668694.6U CN204913306U (en) | 2015-08-31 | 2015-08-31 | Roll formula centre frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204913306U true CN204913306U (en) | 2015-12-30 |
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ID=54962486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520668694.6U Active CN204913306U (en) | 2015-08-31 | 2015-08-31 | Roll formula centre frame |
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| Country | Link |
|---|---|
| CN (1) | CN204913306U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425580A (en) * | 2016-11-15 | 2017-02-22 | 天津市滨盛鑫源金属制品有限公司 | Three-way accurate positioning fixture for lathe |
| CN108057901A (en) * | 2018-03-05 | 2018-05-22 | 武汉船用机械有限责任公司 | The processing method of transition sleeve and axis suitable for axis processing |
| CN110259904A (en) * | 2019-06-20 | 2019-09-20 | 深圳市世椿智能装备股份有限公司 | A kind of internal spline lead screw |
-
2015
- 2015-08-31 CN CN201520668694.6U patent/CN204913306U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425580A (en) * | 2016-11-15 | 2017-02-22 | 天津市滨盛鑫源金属制品有限公司 | Three-way accurate positioning fixture for lathe |
| CN108057901A (en) * | 2018-03-05 | 2018-05-22 | 武汉船用机械有限责任公司 | The processing method of transition sleeve and axis suitable for axis processing |
| CN110259904A (en) * | 2019-06-20 | 2019-09-20 | 深圳市世椿智能装备股份有限公司 | A kind of internal spline lead screw |
| CN110259904B (en) * | 2019-06-20 | 2024-06-07 | 深圳市世椿智能装备股份有限公司 | Internal spline screw |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |