CN104227058A - Clamp for turning bearing sleeve - Google Patents
Clamp for turning bearing sleeve Download PDFInfo
- Publication number
- CN104227058A CN104227058A CN201410538256.8A CN201410538256A CN104227058A CN 104227058 A CN104227058 A CN 104227058A CN 201410538256 A CN201410538256 A CN 201410538256A CN 104227058 A CN104227058 A CN 104227058A
- Authority
- CN
- China
- Prior art keywords
- housing
- cover
- bearing holder
- retainer plate
- limited block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/404—Gripping the work or tool by jaws moving radially controlled by conical surfaces
- B23B31/4066—Gripping the work or tool by jaws moving radially controlled by conical surfaces using mechanical transmission through the spindle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a clamp for turning a bearing sleeve. The clamp comprises a fixing shaft, a circular table limiting block and a shaft sleeve. The shaft sleeve is arranged outside the fixing shaft in a sleeved mode and is in sliding connection with the fixing shaft. A group of main clamping jaws which are arranged in the bearing sleeve are arranged in the one end, placed in the circular table limiting block, of the shaft sleeve in a circling mode. Gaps are reserved between main clamping jaws of the group of the main clamping jaws. Each main clamping jaw comprises a connecting rod, an oblique rod and a supporting rod which are connected in sequence. The connecting rods are connected with the end of the shaft sleeve. The outer walls of the oblique rods are attached with and in sliding connection with the outer wall of the circular table limiting block. A group of L-shaped material pushing rods which are placed at the end of the bearing sleeve are arranged outside the end, placed on one side of the circular table limiting block, of the shaft sleeve in a circling mode. The long sides of the L-shaped material rods are connected with the shaft sleeve. The ends of the short sides of the L-shaped material pushing rods are close to the supporting rods, and gaps are reserved between the ends and the supporting rods. The shortcoming that an existing turning clamp for the bearing sleeve is poor in clamping effect due to low pulling rod intensity is overcome, and the clamp for turning the bearing sleeve is good in clamping effect.
Description
Technical field
The invention belongs to and step up field of tool, be specifically related to a kind of fixture for turning bearing holder (housing, cover).
Background technology
Turnery processing is on lathe, utilize workpiece to rotate the method for workpiece being carried out to machining relative to cutter.Turning is suitable for processing rotary surface, and the workpiece that major part has rotary surface can be processed with method for turning, and as inside and outside circle cylinder, the inside and outside circle conical surface, end face, groove, screw thread and rotoforming face etc., cutter for same is lathe tool mainly.And the cutting energy of turnery processing provides primarily of workpiece, instead of provided by cutter.The item that should be noted that in Tutrning Process has: choose reasonable cutting data, choose reasonable cutter, choose reasonable fixture etc.
Fixture is used for fixing processing object in machine-building process, makes it to occupy correct position, to accept the device of constructing or detecting.Turning attachment is used in processing work on lathe, the fixture of the outer surface of revolution and end face, turning attachment majority is arranged on main shaft, in order to clamping work pieces, the axle center of workpiece is fixed, therefore, the end of common clamp workpiece, clamped, and for some special workpiece, such as: during cylindrical raceway groove for bearing holder (housing, cover), need turning, the existing fixture for bearing holder (housing, cover) comprises pull bar and jaw, jaw is hook, jaw is positioned at the front end of pull bar, pull bar is through in bearing holder (housing, cover), pull bar jaw is pulled to hook end face in bearing holder (housing, cover), make it be fixedly clamped.And when the internal diameter of bearing holder (housing, cover) is less, when being less than 25mm, pull bar needs to be the bearing holder (housing, cover) inwall of below 25mm through internal diameter, therefore, the diameter of pull bar then must be less than 25mm, and the intensity of pull bar must be caused low, and then causes the intensity of jaw to reduce, and fixed effect is poor.
Summary of the invention
The technical problem to be solved in the present invention be for the existing turning clamp for bearing holder (housing, cover) because pull bar intensity is low and then cause the shortcoming of clamping effect difference, the fixture for turning bearing holder (housing, cover) that a kind of clamping effect is good is provided.
In order to solve the problems of the technologies described above, the invention provides following technical scheme: for the fixture of turning bearing holder (housing, cover), comprise fixed axis, round platform limited block, axle sleeve and retainer plate, one end that round platform limited block diameter is large is connected with a side end of fixed axis, axle sleeve, retainer plate is all sheathed on outside fixed axis, axle sleeve and fixed axis are slidably connected and away from round platform limited block side, retainer plate and fixed axis are fixed and close round platform limited block side, axle sleeve is provided with the one group of main folder pawl being positioned at bearing holder (housing, cover) inside near the end, one end of retainer plate, gap is left between each main folder pawl of one group of main folder pawl, retainer plate is axially arranged with each main folder pawl of confession and passes and the through hole be slidably connected, main folder pawl comprises the connecting rod connected successively, brace and strut, connecting rod is connected with the end of axle sleeve through through hole, the outer wall of brace and the outer wall of round platform limited block are fitted and are slidably connected, the side end that retainer plate is positioned at round platform limited block is provided with the one group of L shape charging ram being positioned at bearing holder (housing, cover) end, and the long limit of L shape charging ram is connected with retainer plate, and the end of the minor face of L shape charging ram is near strut and and leave gap between strut.
Adopt the fixture for turning bearing holder (housing, cover) of the present invention, comprise fixed axis, round platform limited block, axle sleeve and retainer plate, one end that round platform limited block diameter is large is connected with a side end of fixed axis; Fixed axis is used for fixing round platform limited block, and the outer wall of round platform limited block is inclined-plane, provides constraints to the operation of main folder pawl.Axle sleeve, retainer plate are all sheathed on outside fixed axis, and axle sleeve and fixed axis are slidably connected and away from round platform limited block side; Inwall and the fixed axis wall contacts of axle sleeve slide, or the outer wall of fixed axis is provided with chute, and the inwall of axle sleeve is provided with the slide block mating with chute and slide.Axle sleeve is provided with the one group of main folder pawl being positioned at bearing holder (housing, cover) inside near the end, one end of retainer plate, leave gap between each main folder pawl of one group of main folder pawl; The end face of axle sleeve is provided with main folder pawl, leaves gap between each main folder pawl of one group of main folder pawl, and gap makes main folder grippers have radial elastic force, radial contraction or open.Retainer plate and fixed axis are fixed and near round platform limited block side, retainer plate is axially arranged with each main folder pawl of confession and passes and the through hole be slidably connected; Retainer plate is used for fixing auxiliary jaw, and main folder pawl slides through through hole, avoids retainer plate to produce axial displacement.Main folder pawl comprises the connecting rod, brace and the strut that connect successively, and connecting rod is connected with the end of axle sleeve through through hole, and the outer wall of brace and the outer wall of round platform limited block are fitted and be slidably connected; Connecting rod is used for connecting bushing and brace, brace coordinates with the outer wall inclined-plane of round platform limited block, due to the restriction on round platform limited block inclined-plane, brace radial direction can open or shrink when round platform limited block outer wall slides, and strut is due to drive together eight radial contraction or open, when opening of brace, then strut radial direction is opened, offset with the inwall of bearing holder (housing, cover), give the support force that bearing holder (housing, cover) inwall is outside, thus bearing holder (housing, cover) is fixedly clamped.The side end that retainer plate is positioned at round platform limited block is provided with the one group of L shape charging ram being positioned at bearing holder (housing, cover) end, and the long limit of L shape charging ram is connected with retainer plate, the end of the minor face of L shape charging ram near strut and and leave gap between strut; Connection function is played on the long limit of L shape charging ram, the minor face of L shape charging ram is positioned at the periphery of strut, when bearing holder (housing, cover) is located at outside strut, after strut struts, because brace drives strut to move axially, therefore, move axially in order to avoid the frictional force between bearing holder (housing, cover) and strut makes bearing holder (housing, cover) produce, therefore L shape charging ram is set in the end of retainer plate, the minor face block axis bearing sleeve of L shape charging ram.
Operation principle of the present invention is: axle sleeve by round platform limited block side to fixed axis one Slideslip, axle sleeve drives main folder pawl to fixed axis one Slideslip, the brace of main folder pawl by the little side of the diameter of round platform limited block to the large Slideslip of the diameter of round platform limited block, due to the restriction of round platform limited block outer wall, each main folder pawl radial direction of one group of main folder pawl is opened, and drives strut radial direction to open, along with the slip of main folder pawl simultaneously, the swelling until strut and bearing holder (housing, cover) inwall are fitted, thus bearing holder (housing, cover) is clamped; Meanwhile, when strut radial direction is opened, gap between the minor face end of L shape charging ram and strut gives it and cushions, L shape charging ram is positioned at the end of bearing holder (housing, cover) all the time, because L shape charging ram is fixed by retainer plate, thus do not affect strut radial direction and open, avoid again the displacement that bearing holder (housing, cover) produces due to the axial displacement of strut simultaneously.
Beneficial effect of the present invention is: the strut being positioned at bearing holder (housing, cover) inside opens due to the restriction radial direction of brace and round platform limited block, thus give bearing holder (housing, cover) inwall outside support force, fix from the inside swelling of bearing holder (housing, cover), and fix because round platform limited block and main folder pawl are positioned at bearing holder (housing, cover) swelling, compared with passing the mode in bearing holder (housing, cover) with existing pull bar, even if the internal diameter of bearing holder (housing, cover) is less than below 25mm, only need to arrange round platform limited block to coordinate with jaw, and avoid through bearing holder (housing, cover), swelling simultaneously can fix at the two ends of bearing holder (housing, cover), be fixedly clamped effective.
Further, the minor face outer wall of one group of described L shape charging ram is provided with the auxiliary jaw be positioned at outside bearing holder (housing, cover), and the minor face of auxiliary jaw and L shape charging ram is slidably connected.Auxiliary jaw is positioned at the minor face outer wall of L shape charging ram, and be positioned at the outside of bearing holder (housing, cover), while the strut in bearing holder (housing, cover) is by the swelling of bearing holder (housing, cover) inwall, slide and assist the position of jaw, the auxiliary jaw referred to and the outer wall of bearing holder (housing, cover) are fitted and clamp, elastic ring can be utilized auxiliary jaw to be tightened up clamping and the outer wall of bearing holder (housing, cover), and main folder pawl coordinates with auxiliary jaw and is fixedly clamped by bearing holder (housing, cover) from inside and outside, good fixing effect.
Further, described retainer plate is also provided with near a side end of round platform limited block the L shape backstay limiting auxiliary jaw and slide, it is peripheral that L shape backstay is positioned at L shape charging ram, and the long limit of L shape backstay is connected with retainer plate, and the end of the minor face of L shape backstay is near auxiliary jaw.The slip of the auxiliary jaw of L shape backstay restriction, can according to the minor face end of thickness setting L shape backstay of bearing holder (housing, cover) and the vertical range of L shape charging ram minor face end, when strut open space L shape charging ram offset time, the slip of the auxiliary jaw of L shape backstay restriction, thus clamp shaft bearing sleeve, good fixing effect.
Further, the minor face outer wall of described L shape charging ram is provided with chute near the side of strut, and the end of auxiliary jaw is provided with the projection of mating with chute.Chute and male cooperation slide, and structure is simple, easy to operate.
Further, the gap size between the end of described L shape charging ram minor face and strut is less than the wall thickness dimension of bearing holder (housing, cover).Restriction L shape charging ram is positioned at the end of bearing holder (housing, cover), and when avoiding the wall thickness of bearing holder (housing, cover) thinner, bearing holder (housing, cover) is slippage from gap.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, technical solution of the present invention is further illustrated:
The view of Fig. 1 when to be the present invention do not clamp for the fixture of turning bearing holder (housing, cover);
Fig. 2 is the view of the present invention when clamping;
Fig. 3 is the sectional schematic diagram of A-A in Fig. 1;
Fig. 4 is the right view of Fig. 1.
Detailed description of the invention
As Fig. 1, Fig. 3, shown in Fig. 4, for the fixture of turning bearing holder (housing, cover), the internal diameter of bearing holder (housing, cover) 1 is 20mm, comprise fixed axis 2, round platform limited block 3, axle sleeve 4 and retainer plate 5, the side end winding support of one end that round platform limited block 3 diameter is large and fixed axis 2 and fixed axis 2 is one-body molded with round platform limited block 3, axle sleeve 4 is with fixed axis 2 contact slide and away from round platform limited block 3 side, retainer plate 5 is threaded with fixed axis 2 and close round platform limited block 3 side, the inner ring of retainer plate 5 axially offers through hole 6, the end face of axle sleeve 4 is provided with eight jaws, gap is left between adjacent jaw, jaw comprises the connecting rod 7 connected successively, brace 8 and strut 9, connecting rod 7 be fixed on axle sleeve 4 end face and connecting rod 7 through the through hole 6 of retainer plate 5, retainer plate 5 is provided with eight the L shape charging rams 10 being positioned at eight strut 9 peripheries near a side end face of round platform limited block 3, each L shape charging ram 10 is positioned in same radius with jaw, the long limit of L shape charging ram 10 is connected with retainer plate 5, the end of the minor face of L shape charging ram 10 near strut 9 and and leave gap between strut 9, the minor face outer wall of L shape charging ram 10 is provided with the auxiliary jaw 11 be positioned at outside bearing holder (housing, cover) 1, auxiliary jaw 11 is the chuck with mating radian pawl face with bearing holder (housing, cover) 1 outer wall, the pawl of auxiliary jaw 11 is facing to bearing holder (housing, cover) 1, the minor face outer wall of L shape charging ram 10 is provided with chute 12, the end of auxiliary jaw 11 is provided with the projection 13 of mating with chute 12, protruding 13 are arranged in chute 12, retainer plate 5 is also provided with near a side end of round platform limited block 3 the L shape backstay 14 limiting auxiliary jaw 11 and slide, it is peripheral that L shape backstay 14 is positioned at L shape charging ram 10, the long limit of L shape backstay 14 is connected with retainer plate 5, the end of the minor face of L shape backstay 14 is near auxiliary jaw 11, gap between the end of described L shape charging ram 10 minor face and strut 9 is 5cm, the wall thickness of bearing holder (housing, cover) 1 is 10cm.
During concrete operations, as shown in Figure 1: fixed axis 1 fixes round platform limited block 3, pull axle sleeve 4 to the left, axle sleeve 4 drives the connecting rod 7 of each jaw, the slip in the through hole 6 of retainer plate 5 of brace 8 and strut 9 runs left, brace 8 is along the large Slideslip of the Lateral diameter that the diameter of round platform limited block 3 is little, due to the restriction of round platform limited block 3 outer wall, brace 8 is strutted by radial direction, and then strut 9 is radially stretched, as shown in Figure 4: until strut 9 and bearing holder (housing, cover) 1 inwall offset, by inner for bearing holder (housing, cover) 1 swelling, simultaneously, L shape charging ram 10, L shape backstay 14 is all fixed on the end of retainer plate 5, retainer plate 5 is fixed, therefore, L shape charging ram 10, the position of L shape backstay 14 immobilizes, the L shape charging ram 10 of bearing holder (housing, cover) 1 outer wall gives bearing holder (housing, cover) 1 active force to the right, avoid bearing holder (housing, cover) 1 to be subject to frictional force axially to run left, the projection 13 of auxiliary jaw 11 is slided on the chute 12 of the minor face of L shape charging ram 10, to be adjacent to the outer wall of bearing holder (housing, cover) 1, the auxiliary jaw 11 of L shape backstay 14 restriction continues to slide, be fixed, thus the inner and outer wall of bearing holder (housing, cover) 1 is fixedly clamped simultaneously.
If the gap between the end of L shape charging ram 10 minor face and strut 9 is 6,7 or 8cm, the wall thickness of bearing holder (housing, cover) 1 be 9,10,11,12 or 13cm all within protection domain.
For a person skilled in the art, under the prerequisite not departing from structure of the present invention, can also make some distortion and improvement, these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (5)
1. for the fixture of turning bearing holder (housing, cover), it is characterized in that: comprise fixed axis, round platform limited block, axle sleeve and retainer plate, one end that round platform limited block diameter is large is connected with a side end of fixed axis, axle sleeve, retainer plate is all sheathed on outside fixed axis, axle sleeve and fixed axis are slidably connected and away from round platform limited block side, retainer plate and fixed axis are fixed and close round platform limited block side, axle sleeve is provided with the one group of main folder pawl being positioned at bearing holder (housing, cover) inside near the end, one end of retainer plate, gap is left between each main folder pawl of one group of main folder pawl, retainer plate is axially arranged with each main folder pawl of confession and passes and the through hole be slidably connected, main folder pawl comprises the connecting rod connected successively, brace and strut, connecting rod is connected with the end of axle sleeve through through hole, the outer wall of brace and the outer wall of round platform limited block are fitted and are slidably connected, the side end that retainer plate is positioned at round platform limited block is provided with the one group of L shape charging ram being positioned at bearing holder (housing, cover) end, and the long limit of L shape charging ram is connected with retainer plate, and the end of the minor face of L shape charging ram is near strut and and leave gap between strut.
2. as claimed in claim 1 for the fixture of turning bearing holder (housing, cover), it is characterized in that: the minor face outer wall of one group of described L shape charging ram is provided with the auxiliary jaw be positioned at outside bearing holder (housing, cover), the minor face of auxiliary jaw and L shape charging ram is slidably connected.
3. as claimed in claim 1 for the fixture of turning bearing holder (housing, cover), it is characterized in that: described retainer plate is also provided with near a side end of round platform limited block the L shape backstay limiting auxiliary jaw and slide, it is peripheral that L shape backstay is positioned at L shape charging ram, the long limit of L shape backstay is connected with retainer plate, and the end of the minor face of L shape backstay is near auxiliary jaw.
4. as claimed in claim 2 for the fixture of turning bearing holder (housing, cover), it is characterized in that: the minor face outer wall of described L shape charging ram is provided with chute near the side of strut, the end of auxiliary jaw is provided with the projection of mating with chute.
5., as claimed in claim 2 for the fixture of turning bearing holder (housing, cover), it is characterized in that: the gap size between the end of described L shape charging ram minor face and strut is less than the wall thickness dimension of bearing holder (housing, cover).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538256.8A CN104227058A (en) | 2014-10-14 | 2014-10-14 | Clamp for turning bearing sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538256.8A CN104227058A (en) | 2014-10-14 | 2014-10-14 | Clamp for turning bearing sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104227058A true CN104227058A (en) | 2014-12-24 |
Family
ID=52216455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410538256.8A Pending CN104227058A (en) | 2014-10-14 | 2014-10-14 | Clamp for turning bearing sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104227058A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382273A (en) * | 2015-11-27 | 2016-03-09 | 黄石哈特贝尔精密锻造有限公司 | Novel line turning technique for inner ring of bearing and inner ring hole ejecting and expanding clamp applied to novel line turning technique |
| CN106695392A (en) * | 2017-03-10 | 2017-05-24 | 于浩 | Spring clamp for machining bearing outer ring |
| CN108838888A (en) * | 2018-08-28 | 2018-11-20 | 永春宏达工业设计有限公司 | Auxiliary clamp is used in a kind of processing of bearing holder (housing, cover) grinding machine |
| CN109264653A (en) * | 2018-10-19 | 2019-01-25 | 北京镁伽机器人科技有限公司 | Pawl structure, switch cover external member and robot for switch cover |
| CN110369751A (en) * | 2019-08-29 | 2019-10-25 | 河南省瑞歌传动机械有限公司 | A kind of tubular workpiece clamping tooling |
-
2014
- 2014-10-14 CN CN201410538256.8A patent/CN104227058A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382273A (en) * | 2015-11-27 | 2016-03-09 | 黄石哈特贝尔精密锻造有限公司 | Novel line turning technique for inner ring of bearing and inner ring hole ejecting and expanding clamp applied to novel line turning technique |
| CN106695392A (en) * | 2017-03-10 | 2017-05-24 | 于浩 | Spring clamp for machining bearing outer ring |
| CN108838888A (en) * | 2018-08-28 | 2018-11-20 | 永春宏达工业设计有限公司 | Auxiliary clamp is used in a kind of processing of bearing holder (housing, cover) grinding machine |
| CN108838888B (en) * | 2018-08-28 | 2020-03-20 | 福清市创佳智能科技有限公司 | Auxiliary clamp for machining bearing bush grinding machine |
| CN109264653A (en) * | 2018-10-19 | 2019-01-25 | 北京镁伽机器人科技有限公司 | Pawl structure, switch cover external member and robot for switch cover |
| CN110369751A (en) * | 2019-08-29 | 2019-10-25 | 河南省瑞歌传动机械有限公司 | A kind of tubular workpiece clamping tooling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141224 |
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| WD01 | Invention patent application deemed withdrawn after publication |