CN104190962B - A kind of plate holder reducing clamping deflection - Google Patents
A kind of plate holder reducing clamping deflection Download PDFInfo
- Publication number
- CN104190962B CN104190962B CN201410424629.9A CN201410424629A CN104190962B CN 104190962 B CN104190962 B CN 104190962B CN 201410424629 A CN201410424629 A CN 201410424629A CN 104190962 B CN104190962 B CN 104190962B
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- China
- Prior art keywords
- push rod
- manhole
- main shaft
- outer ring
- connecting portion
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a kind of plate holder reducing clamping deflection, including push rod, material seat and braking parts, material seat includes main shaft connecting portion and material fixed part, and main shaft connecting portion is the column structure being provided with through hole or blind hole on axial；Material fixed part be two end faces be the basket structure in face of being parallel to each other, one of them end face is fixing with one end of main shaft connecting portion to be connected, and another end face is provided with a manhole；Push rod is additionally provided with the pressing plate of plate-like, pressing plate and the axis collinear of push rod on one end of manhole, and the edge of pressing plate is additionally provided with reinforcement, and the two ends of reinforcement are fixing with pressing plate and push rod respectively to be connected；Described push rod is two segments combined structure, and two sections of composition push rod connect by rotation prevention portion is fixing.Present configuration is simple, beneficially the stress of thin slice object and lathe process quality.
Description
Technical field
The present invention relates to lathe object fixing tool field, particularly relate to a kind of plate holder reducing clamping deflection.
Background technology
Lathe is also known as lathe, and in mechanical processing industry, lathe is considered as the work " machine tool " of all devices.Lathe be mainly used in processing axle, dish, set and other there is the workpiece of rotary surface, based on cylinder, be that machine-building and repair factory use a widest class lathe.
Recently as the further raising that workpiece processing quality is required, existing lathe is in the course of processing applying to thin slice object surface finish, man-hour is added such as apply to brake block, the insufficient rigidity caused because thickness is thin due to it, use the scroll chuck of existing extensive utilization often owing to the radial stress that brake block applies is caused brake block to produce elastic deformation even plastic deformation by claw, the product axis hole obtained after machining is bigger with the plane verticality deviation at two ends, the manufacturing deficiency that end flat parallel misalignment is relatively big and axis hole is bigger with cylindrical Concentricity tolerance, the scrappage ultimately resulting in product is higher, affect the production cost of above-mentioned object and similar articles.
Summary of the invention
The radial stress that thin slice object applies often is caused object to produce elastic deformation even plastic deformation due to claw by the scroll chuck for above-mentioned existing extensive utilization, the manufacturing deficiency that the product axis hole obtained after machining and the plane verticality deviation at two ends are relatively big, end flat parallel misalignment is relatively big and axis hole is bigger with cylindrical Concentricity tolerance, the scrappage ultimately resulting in product is higher, the problem affecting the production cost of thin slice object, the invention provides a kind of plate holder reducing clamping deflection.
For solving the problems referred to above, a kind of plate holder reducing clamping deflection that the present invention provides solves problem by techniques below main points: a kind of plate holder reducing clamping deflection, including push rod, material seat and the braking parts moved back and forth axially along for braking mandril, described material seat includes that main shaft connecting portion and material fixed part, described main shaft connecting portion are the column structure being provided with through hole or blind hole on axial；Described material fixed part be two end faces be the basket structure in face of being parallel to each other, one of them end face is fixing with one end of main shaft connecting portion to be connected, a manhole it is provided with on another end face, and described manhole is the reducing concentric holes that outside diameter is less than inside diameter, the axis of push rod and the axis collinear of manhole, and push rod is positioned at the side that manhole is relatively large in diameter；
Push rod is additionally provided with the pressing plate of plate-like, described pressing plate and the axis collinear of push rod on one end of manhole, and the edge of pressing plate is additionally provided with reinforcement, and the two ends of described reinforcement are fixing with pressing plate and push rod respectively to be connected；
Described push rod is two segments combined structure, two sections of composition push rod connect by rotation prevention portion is fixing, and described rotation prevention portion includes that bearing, bearing include inner ring, outer ring and rotor, described inner ring is fixing with any one section of push rod to be connected, and outer ring is fixing with another section of push rod to be connected.
The through hole arranged or blind hole are for being connected with lathe spindle, it is achieved the present invention axis with main shaft synchronous axial system, i.e. through hole or blind hole and the axis collinear of push rod.Concrete, the installation station that manhole is thin slice object to be processed arranged, the i.e. present invention is applicable to length or width, the arrangement of diameters object between the diameter of manhole two ends, object has disposed rear braking mandril towards an end motion of manhole, so, the two ends of object are respectively by manhole and the compressive stress of push rod, it is achieved fixing in the present invention.The frictional force of claw and material is relied on to resist cutting or grinding force compared to existing utilization scroll chuck, the counteracting force that the present invention operationally produces for cutting or grinding force occurs on pressing plate, so, it is easy to realize, by increase pressing plate area, the contact area that material is bigger with the present invention, above structure is compared to claw, owing to frictional force generation face is bigger, compressive stress is parallel with the axis of thin slice object simultaneously, even if this make push rod to the active force of object less time object also can well be fixed in the present invention, the deflection that object produces under cutting or grinding force in the axial direction simultaneously is little, the present invention is so made to have the advantage ensureing thin slice object suface processing quality.
The pressing plate arranged is acted on the active area of power on object for increasing by what push rod produced, object is during processed simultaneously, along with grinding or the change of cutting point, pressing plate all can provide support in grinding or the cutting point back side for object, the reinforcement arranged is conducive to the rigidity of pressing plate to keep, to be further ensured that object does not produce axial deformation during processed.
The rotation prevention portion arranged is for transmitting between composition two sections of push rod the power on axially, torque transmission between stoping two sections, i.e. avoiding one section of push rod ingredient away from object to rotate with object, the realization of function above depends on the outer ring of bearing and rolling element and rotates around push rod axis.Arrangement above is conducive to avoiding push rod away from one end of object with main axis, it is simple to arrange and simplify braking parts structure, simultaneously it can be avoided that because the contact surface generation relative motion of object and object and the present invention affects the flatness of object surface.As long as meet the bearing Internal and external cycle of above-mentioned functions, rolling element, outer ring three in the case of not destroying version, the non-detachable bearing of three is the most applicable.
Further technical scheme is:
For ensureing the stationarity that lathe spindle rotates, the beneficially crudy of object, the most cylindrically, and main shaft connecting portion and material fixed part are axially symmetric structure for described main shaft connecting portion and material fixed part.Above structure is beneficial to realize the center of gravity of the present invention and is positioned on the axis of main shaft, can avoid because the reason of centrifugal force causes main shaft to shake.
For increasing the contact area of object and main shaft connecting portion, the end face preventing object under push rod compressive stress produces impression and increases the friction factor of object and the present invention, described manhole is made up of the circular hole of two sections of axis collinear, on the bottom surface of the circular hole that internal diameter is bigger, pressing plate on face, two, the side of manhole, be at least provided with rubber layer on a face.
For alleviating the quality of the present invention as far as possible, with its size to the moment of flexure that lathe spindle produces of reduction, or under the rigidity that main shaft connecting portion is identical, save the material cost of main shaft connecting portion, hole on described main shaft connecting portion is through hole, described through hole communicates with the hollow space of the material fixed part in basket structure, push rod becomes matched in clearance with through hole, and push rod is positioned at the outside of push rod away from the side of manhole.
For ease of braking mandril and the control push rod size to object compressive stress, described push rod is away from being additionally provided with cylinder on one end of manhole.
For simplifying the structure of rotation prevention portion, the dismounting being easy to rotation prevention portion, the dismounting be easy between forming two sections of push rod, described rotation prevention portion also includes outer ring sleeve and many bolts, two sections of composition push rod are provided with the location shaft shoulder and external screw thread on any one section, threaded on external screw thread have hold-doun nut, and the inner ring of bearing is limited between hold-doun nut and the location shaft shoulder；
Described outer ring sleeve is the axially arranged tubular structure having concentric different diameter hole, it is provided with screw base and outer ring positioning convex in another section in two sections of composition push rod, described outer ring sleeve is connected by bolt and screw base are fixing, and the outer ring of bearing is fixed by outer ring positioning convex and outer ring sleeve relative to the position of push rod；
Described bearing is deep groove ball bearing.
The method have the advantages that
1, the installation station that manhole is thin slice object to be processed arranged, the i.e. present invention is applicable to length or width, the arrangement of diameters object between the diameter of manhole two ends, object has disposed rear braking mandril towards an end motion of manhole, so, the two ends of object are respectively by manhole and the compressive stress of push rod, it is achieved fixing in the present invention.The frictional force of claw and material is relied on to resist cutting or grinding force compared to existing utilization scroll chuck, the counteracting force that the present invention operationally produces for cutting or grinding force occurs on pressing plate, so, it is easy to realize, by increase pressing plate area, the contact area that material is bigger with the present invention, above structure is compared to claw, owing to frictional force generation face is bigger, compressive stress is parallel with the axis of thin slice object simultaneously, even if this make push rod to the active force of object less time object also can well be fixed in the present invention, the deflection that object produces under cutting or grinding force in the axial direction simultaneously is little, the present invention is so made to have the advantage ensureing thin slice object suface processing quality.
2, the pressing plate arranged is acted on the active area of power on object for increasing by what push rod produced, object is during processed simultaneously, along with grinding or the change of cutting point, pressing plate all can provide support in grinding or the cutting point back side for object, the reinforcement arranged is conducive to the rigidity of pressing plate to keep, to be further ensured that object does not produce axial deformation during processed.
3, the rotation prevention portion arranged is for transmitting between composition two sections of push rod the power on axially, torque transmission between stoping two sections, i.e. avoiding one section of push rod ingredient away from object to rotate with object, the realization of function above depends on the outer ring of bearing and rolling element and rotates around push rod axis.Arrangement above is conducive to avoiding push rod away from one end of object with main axis, it is simple to arrange and simplify braking parts structure, simultaneously it can be avoided that because the contact surface generation relative motion of object and object and the present invention affects the flatness of object surface.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of one specific embodiment of plate holder reducing clamping deflection of the present invention；
Fig. 2 is the structural representation of a kind of one specific embodiment of plate holder rotation prevention portion reducing clamping deflection of the present invention.
Figure acceptance of the bid note is respectively as follows: 1, cylinder, and 2, cylinder block, 3, bearing, 4, gear, 5, main spindle box, 6, main shaft, 7, material seat, 71, main shaft connecting portion, 72, material fixed part, 8, push rod, 9, manhole, 10, pressing plate, 11, reinforcement, 12, rubber layer, 13, rotation prevention portion, 131, outer ring sleeve, 132, bolt, 133, hold-doun nut, 134, bearing, 135, the location shaft shoulder, 136, screw base, 137, location, outer ring protrudes.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but the structure of the present invention is not limited only to following example:
Embodiment 1:
As depicted in figs. 1 and 2, a kind of plate holder reducing clamping deflection, including push rod 8, material seat 7 and the braking parts moved back and forth axially along for braking mandril 8, described material seat 7 includes that main shaft connecting portion 71 and material fixed part 72, described main shaft connecting portion 71 are the column structure being provided with through hole or blind hole on axial；Described material fixed part 72 be two end faces be the basket structure in face of being parallel to each other, one of them end face is fixing with one end of main shaft connecting portion 71 to be connected, a manhole 9 it is provided with on another end face, and described manhole 9 for outside diameter less than the reducing concentric holes of inside diameter, the axis collinear of the axis of push rod 8 and manhole 9, and push rod 8 is positioned at the side that manhole 9 is relatively large in diameter；
Push rod 8 is additionally provided with the pressing plate 10 of plate-like, described pressing plate 10 and the axis collinear of push rod 8 on one end of manhole 9, and the edge of pressing plate 10 is additionally provided with reinforcement 11, and the two ends of described reinforcement 11 are fixed be connected with pressing plate 10 and push rod 8 respectively；
Described push rod 8 is two segments combined structure, two sections of composition push rod 8 connect by rotation prevention portion 13 is fixing, and described rotation prevention portion 13 includes that bearing 134, bearing 134 include inner ring, outer ring and rotor, described inner ring is fixing with any one section of push rod 8 to be connected, and outer ring is fixing with another section of push rod 8 to be connected.
In the present embodiment, it is provided with through hole on main shaft connecting portion 71, described main shaft connecting portion 71 is set on the main shaft 6 of lathe by through hole and realizes its fixing with main shaft 6, described fixing by through hole and main shaft 6 interference fit with coordinate the structure of puller bolt to be realized, described main shaft 6 is hollow axle, its torque rotated is realized with engaging of gear gear of driving by arranging upper gear thereon 4, main shaft 6 is arranged in main spindle box 5, is provided with at least two bearing 3 between main shaft 6 and main spindle box 5.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as depicted in figs. 1 and 2, for ensureing the stationarity that lathe spindle 6 rotates, it is beneficial to the crudy of object, the most cylindrically, and main shaft connecting portion 71 and material fixed part 72 are axially symmetric structure for described main shaft connecting portion 71 and material fixed part 72.Above structure is beneficial to realize the center of gravity of the present invention and is positioned on the axis of main shaft 6, can avoid because the reason of centrifugal force causes main shaft 6 to shake.
Embodiment 3:
The present embodiment is further qualified on the basis of embodiment 1, as depicted in figs. 1 and 2, for increasing the contact area of object and main shaft connecting portion 71, the end face preventing object under push rod 8 compressive stress produces impression and increases the friction factor of object and the present invention, described manhole 9 is made up of the circular hole of two sections of axis collinear, on the bottom surface of the circular hole that internal diameter is bigger, pressing plate 10 on face, two, the side of manhole 9, be at least provided with rubber layer 12 on a face.
Embodiment 4:
The present embodiment is further qualified on the basis of embodiment 1, as depicted in figs. 1 and 2, for alleviating the quality of the present invention as far as possible, with its size to the moment of flexure that lathe spindle 6 produces of reduction, or under the rigidity that main shaft connecting portion 71 is identical, save the material cost of main shaft connecting portion 71, hole on described main shaft connecting portion 71 is through hole, described through hole communicates with the hollow space of the material fixed part 72 in basket structure, push rod 8 becomes matched in clearance with through hole, and push rod 8 is positioned at the outside of push rod 8 away from the side of manhole 9.
For ease of braking mandril 8 and the control push rod 8 size to object compressive stress, described push rod 8 is additionally provided with cylinder 1 on the one end away from manhole 9.Described cylinder 1 is piston rotatable cylinder, and cylinder 1 is connected by the cylinder block 2 that is arranged on main spindle box 5 and lathe are fixing.
Embodiment 5:
The present embodiment is further qualified on the basis of above example, as depicted in figs. 1 and 2, for simplifying the structure of rotation prevention portion 13, the dismounting being easy to rotation prevention portion 13, the dismounting be easy between forming two sections of push rod 8, described rotation prevention portion 13 also includes outer ring sleeve 131 and many bolts 132, two sections of composition push rod 8 are provided with the location shaft shoulder 135 and external screw thread on any one section, threaded on external screw thread have hold-doun nut 133, and the inner ring of bearing 134 is limited between hold-doun nut 133 and the location shaft shoulder 135；
Described outer ring sleeve 131 is the axially arranged tubular structure having concentric different diameter hole, it is provided with screw base 136 and outer ring positioning convex 137 in another section in two sections of composition push rod 8, described outer ring sleeve 131 is connected by bolt 132 is fixing with screw base 136, and the outer ring of bearing 134 is fixed by outer ring positioning convex 137 and outer ring sleeve 131 relative to the position of push rod 8；
Described bearing 134 is deep groove ball bearing.
Above content is to combine the further description that the present invention is made by concrete preferred implementation, it is impossible to assert that the detailed description of the invention of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, other embodiments drawn under without departing from technical scheme, should be included in protection scope of the present invention.
Claims (4)
1. the plate holder that can reduce clamping deflection, it is characterized in that, including push rod (8), material seat (7) and the braking parts moved back and forth axially along for braking mandril (8), described material seat (7) includes that main shaft connecting portion (71) and material fixed part (72), described main shaft connecting portion (71) are the column structure being provided with through hole or blind hole on axial；Described material fixed part (72) be two end faces be the basket structure in face of being parallel to each other, one of them end face is fixing with one end of main shaft connecting portion (71) to be connected, a manhole (9) it is provided with on another end face, and described manhole (9) is the reducing concentric holes that outside diameter is less than inside diameter, the axis collinear of the axis of push rod (8) and manhole (9), and push rod (8) is positioned at the side that manhole (9) is relatively large in diameter；
Push rod (8) is additionally provided with the pressing plate (10) of plate-like on one end of manhole (9), described pressing plate (10) and the axis collinear of push rod (8), being additionally provided with reinforcement (11) on the edge of pressing plate (10), the two ends of described reinforcement (11) are fixing with pressing plate (10) and push rod (8) respectively to be connected；
Described push rod (8) is two segments combined structure, two sections of composition push rod (8) connect by rotation prevention portion (13) is fixing, described rotation prevention portion (13) includes bearing (134), bearing (134) includes inner ring, outer ring and rotor, described inner ring is fixing with any one section of push rod (8) to be connected, and outer ring is fixing with another section of push rod (8) to be connected；The most cylindrically, and main shaft connecting portion (71) and material fixed part (72) are axially symmetric structure for described main shaft connecting portion (71) and material fixed part (72)；Described manhole (9) is made up of the circular hole of two sections of axis collinear, on the bottom surface of the circular hole that internal diameter is bigger, pressing plate (10) on the face, two, side of manhole (9), be at least provided with rubber layer (12) on a face.
A kind of plate holder reducing clamping deflection the most according to claim 1, it is characterized in that, hole on described main shaft connecting portion (71) is through hole, described through hole communicates with the hollow space of the material fixed part (72) in basket structure, push rod (8) becomes matched in clearance with through hole, and push rod (8) is positioned at the outside of push rod (8) away from the side of manhole (9).
A kind of plate holder reducing clamping deflection the most according to claim 1, it is characterised in that described push rod (8) is additionally provided with cylinder (1) on the one end away from manhole (9).
A kind of plate holder reducing clamping deflection the most as claimed in any of claims 1 to 3, it is characterized in that, described rotation prevention portion (13) also includes outer ring sleeve (131) and many bolts (132), two sections of composition push rod (8) are provided with on any one section the location shaft shoulder (135) and external screw thread, threaded on external screw thread have hold-doun nut (133), and the inner ring of bearing (134) is limited between hold-doun nut (133) and the location shaft shoulder (135)；
Described outer ring sleeve (131) is the axially arranged tubular structure having concentric different diameter hole, it is provided with screw base (136) and outer ring positioning convex (137) in another section in two sections of composition push rod (8), described outer ring sleeve (131) is connected by bolt (132) and screw base (136) are fixing, and the outer ring of bearing (134) is fixed by outer ring positioning convex (137) and outer ring sleeve (131) relative to the position of push rod (8)；
Described bearing (134) is deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424629.9A CN104190962B (en) | 2014-08-27 | 2014-08-27 | A kind of plate holder reducing clamping deflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424629.9A CN104190962B (en) | 2014-08-27 | 2014-08-27 | A kind of plate holder reducing clamping deflection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104190962A CN104190962A (en) | 2014-12-10 |
| CN104190962B true CN104190962B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410424629.9A Active CN104190962B (en) | 2014-08-27 | 2014-08-27 | A kind of plate holder reducing clamping deflection |
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| CN (1) | CN104190962B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369953A (en) * | 2021-06-29 | 2021-09-10 | 中国航发贵州黎阳航空动力有限公司 | Clamp for machining excircle of shim |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR0304857B1 (en) * | 2003-11-07 | 2013-02-19 | clamping device and brake disc machining and machining process. | |
| HRPK20070157B3 (en) * | 2007-04-11 | 2010-08-31 | Petrc Damir | Disc tightening device |
| CN103406718A (en) * | 2013-07-15 | 2013-11-27 | 王春轩 | Gyratory cutting double-faced simultaneous machining method |
| CN203765317U (en) * | 2014-03-02 | 2014-08-13 | 龙口奇正汽车配件制造有限公司 | Brake disc tire fixture for lathe |
| CN204018747U (en) * | 2014-08-27 | 2014-12-17 | 成都科信达实业有限公司 | A kind of thin slice frock reducing clamping deflection |
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2014
- 2014-08-27 CN CN201410424629.9A patent/CN104190962B/en active Active
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| CN104190962A (en) | 2014-12-10 |
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