CN203304936U - Cross shaft step face machining clamp - Google Patents

Cross shaft step face machining clamp Download PDF

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Publication number
CN203304936U
CN203304936U CN2013202453191U CN201320245319U CN203304936U CN 203304936 U CN203304936 U CN 203304936U CN 2013202453191 U CN2013202453191 U CN 2013202453191U CN 201320245319 U CN201320245319 U CN 201320245319U CN 203304936 U CN203304936 U CN 203304936U
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CN
China
Prior art keywords
clamp
hole
axle
machining
pressure plate
Prior art date
Application number
CN2013202453191U
Other languages
Chinese (zh)
Inventor
王为达
樊瑜瑾
Original Assignee
昆明理工大学
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Publication date
Application filed by 昆明理工大学 filed Critical 昆明理工大学
Priority to CN2013202453191U priority Critical patent/CN203304936U/en
Application granted granted Critical
Publication of CN203304936U publication Critical patent/CN203304936U/en

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Abstract

The utility model provides a cross shaft step face machining clamp and belongs to the technical field of tool clamps. The cross shaft step face machining clamp comprises a clamp body, a locating device and a clamping device. The clamp body is of a platform type support structure with a through hole I formed in the center. Cylindrical bosses with through holes II formed in the inner portions are symmetrically distributed at the two sides of the through hole I. The bottoms of stand bars at the two sides of the clamp body are of a flat bottom structure protruding outwards. V-shaped block grooves and U-shaped grooves are symmetrically formed in the clamp body and the center line position of the through hole I respectively. The locating device is composed of V-shaped blocks and a mandrel. The V-shaped blocks are symmetrically distributed in the V-shaped block grooves of the clamp body. The mandrel is of a step structure and the end, with the small diameter, of the mandrel can be installed in the through hole I of the clamp body. The clamping device is composed of hook-shaped pressing boards, bolts and nuts. Each hook-shaped pressing board with a through III internally formed is placed in the through II of one cylindrical boss. Each bolt penetrates through the through hole III of each hook-shaped pressing board and used in cooperation with one nut so that a workpiece can be clamped. The cross shaft step face machining clamp has the advantages of being simple in structure, convenient to operate, capable of guaranteeing the machining accuracy easily, economical, practical and the like.

Description

A kind of cross axle step surface clamp for machining
Technical field
The utility model relates to a kind of fixture for holding workpiece, particularly relates to a kind of milling machine with cross axle step surface clamp for machining, belongs to technical field of tooling clamps.
Background technology
Cross axle is the parts of realizing the varied angle transmission of power, for needing to change the position of transmission axis direction, though the cross axle part is little, but its designing requirement is strict, operation reaches tens multiple tracks, every procedure all affects the crudy of part, and the fixture therefore every procedure used is had higher requirement.Wherein this procedure of milling step surface, have higher requirement to accurate to dimension, positional precision, form accuracy.The general volume of existing cross axle step surface clamp for machining is large, quality is heavier, complex structure, and can not guarantee well machining accuracy.
Summary of the invention
The novel purpose of this use provides a kind of cross axle step surface clamp for machining of milling machine special use, and existing fixture volume is large, quality is heavier to overcome, complex structure and the not high defect of machining accuracy.
The technical solution of the utility model is: a kind of cross axle step surface clamp for machining comprises clamp body, positioner and clamping device; Clamp body is platform-type seat structure, and its platform center is provided with the through hole I, and through hole I bilateral symmetry is distributed with cylinder boss, in cylinder boss, offers the through hole II; Leg bottom, clamp body both sides is the flat-bottom structure of evagination, and the platform of clamp body and leg bottom and through hole I position of center line place symmetry respectively offer vee-block groove and U-shaped groove; Positioner is comprised of vee-block and axle, and vee-block 3 is symmetrically distributed in the vee-block groove; Axle is two sections hierarchic structures that diameter is different, and the end that its diameter is little can be installed in the through hole I on the clamp body platform; Clamping device is comprised of hook pressure plate and bolt, nut, and hook pressure plate can be placed in the through hole II of cylinder boss, in hook pressure plate, is provided with the through hole III, and through hole III and nut that bolt passes hook pressure plate are used in conjunction with and clamping work pieces.
The depth-width ratio of described clamp body is 1:1, so that the clamp structure compactness guarantees fixture is installed on lathe stability.
The end that described axle diameter is little is provided with the axle collar, and the Surface Contact of the lower surface of the axle collar and clamp body platform, play the axial location effect.
The end that described axle diameter is large and cross axle adopt the matched in clearance of basic hole system, four frees degree of axle restriction workpiece.
Angle between described vee-block working face is 90 °, four frees degree of two vee-block restriction workpiece.
Through hole II in described cylinder boss is shoulder hole, and the through hole III in hook pressure plate is shoulder hole.
The through hole II of described hook pressure plate lower end and cylinder boss adopts matched in clearance, and hook pressure plate can rotate.
The beneficial effects of the utility model are:
(1) adopt 90 degree vee-block location, the positioning datum axis of workpiece is centered on the plane of symmetry on vee-block two inclined-planes, be not subjected to the impact of locating surface diameter error, good centering is arranged, and easy for installation.But self-centering, centering in the time of convenient processing.
(2) shoulder hole of cylinder boss 1.1 and hook pressure plate 2 design, namely alleviated weight, strengthened again the rigidity of part, also can make the centering of two bolts improve.
(3) simple in structure, easy to operate, machining accuracy is easy to guarantee, namely economy is practical again, is applicable to the medium quantity batch processing workpiece.
The accompanying drawing explanation
Fig. 1 is the cross axle schematic diagram after machining;
Fig. 2 is the utility model cross-sectional schematic;
Fig. 3 is the utility model decomposing schematic representation;
In figure, each label is: 1-clamp body, 1.1-cylinder boss, 1.1.1-through hole II, 1.2-V shape piece groove, 1.3-through hole I, 1.4-U the type groove, 2-hook pressure plate, 2.1-through hole III, 3-V shape piece, 4-axle, 4.1-the axle collar, 5-cross axle, 5.1-cross axle step surface, 6-bolt, 7-nut.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but content of the present utility model is not limited to described scope.
Embodiment: as shown in Figure 2,3, this cross axle step surface clamp for machining, comprise clamp body 1, positioner and clamping device, it is characterized in that: clamp body 1 is platform-type seat structure, its platform center is provided with through hole I 1.3, through hole I 1.3 bilateral symmetry are distributed with cylinder boss 1.1, in cylinder boss 1.1, offer through hole II 1.1.1; Clamp body 1 leg bottom, both sides is the flat-bottom structure of evagination, and the platform of clamp body 1 and leg bottom and through hole I 1.3 position of center line places symmetry respectively offer vee-block groove 1.2 and U-shaped groove 1.4; Positioner is comprised of vee-block 3 and axle 4, and vee-block 3 is symmetrically distributed in vee-block groove 1.2; Axle 4 is two sections hierarchic structures that diameter is different, and the end that its diameter is little can be installed in the through hole I 1.3 on clamp body 1 platform; Clamping device is comprised of hook pressure plate 2 and bolt 6, nut 7, hook pressure plate 2 can be placed in the through hole II 1.1.1 of cylinder boss 1.1, in hook pressure plate 2, be provided with through hole III 2.1, the through hole III 2.1 that bolt 6 passes hook pressure plate is used in conjunction with and clamping work pieces with nut 7.
The depth-width ratio of clamp body 1 is 1:1; The end that axle 4 diameters are little is provided with the axle collar 4.1, and the lower surface of the axle collar 4.1 contacts with the platform surface of clamp body 1; The end that axle 4 diameters are large and cross axle 5 adopt the matched in clearance of basic hole system, four frees degree of axle 4 restriction workpiece; Angle between vee-block 3 working faces is 90 °, four frees degree of two vee-block 3 restriction workpiece; Through hole II 1.1.1 in cylinder boss 1.1 is shoulder hole, and the through hole III 2.1 in hook pressure plate 2 is shoulder hole; The through hole II 1.1.1 of hook pressure plate 2 lower ends and cylinder boss 1.1 adopts matched in clearance, and hook pressure plate 2 can rotate.
During use, at first clamp body 1 is fixed on milling machine table by U-shaped groove 1.4, then the end that axle 4 diameters are little is put in through hole I 1.3, and the lower surface of the axle collar 4.1 and clamp body contact with platform play the axial location effect, then two vee-block 3 symmetries is installed in vee-block groove 1.2; Then cross axle to be processed 5 is installed, cross axle 5 adopts the basic hole system matched in clearance with axle 4, vee-block 3 and axle 4 have limited 6 frees degree of cross axle altogether, then hook pressure plate 2 is installed in the through hole II 1.1.1 of cylinder boss 1.1, finally bolt is installed in the through hole III 2.1 of hook pressure plate, screw nut, can process cross axle.

Claims (7)

1. cross axle step surface clamp for machining, comprise clamp body (1), positioner and clamping device, it is characterized in that: clamp body (1) is platform-type seat structure, its platform center is provided with through hole I (1.3), through hole I (1.3) bilateral symmetry is distributed with cylinder boss (1.1), in cylinder boss (1.1), offers through hole II (1.1.1); Leg bottom, clamp body (1) both sides is the flat-bottom structure of evagination, and the platform of clamp body (1) and leg bottom and through hole I (1.3) position of center line place symmetry respectively offer vee-block groove (1.2) and U-shaped groove (1.4); Positioner is comprised of vee-block (3) and axle (4), and vee-block (3) is symmetrically distributed in vee-block groove (1.2); Axle (4) is two sections hierarchic structures that diameter is different, and the end that its diameter is little can be installed in the through hole I (1.3) on clamp body (1) platform; Clamping device is comprised of hook pressure plate (2) and bolt (6), nut (7), hook pressure plate (2) can be placed in the through hole II (1.1.1) of cylinder boss (1.1), in hook pressure plate (2), be provided with through hole III (2.1), the through hole III (2.1) that bolt (6) passes hook pressure plate is used in conjunction with and clamping work pieces with nut (7).
2. cross axle step surface clamp for machining according to claim 1, it is characterized in that: the depth-width ratio of clamp body (1) is 1:1.
3. cross axle step surface clamp for machining according to claim 1, it is characterized in that: the end that axle (4) diameter is little is provided with the axle collar (4.1), and the lower surface of the axle collar (4.1) contacts with the platform surface of clamp body (1).
4. cross axle step surface clamp for machining according to claim 1, is characterized in that: the matched in clearance of the end that axle (4) diameter is large and cross axle (5) employing basic hole system, four frees degree of axle (4) restriction workpiece.
5. cross axle step surface clamp for machining according to claim 1, it is characterized in that: the angle between vee-block (3) working face is 90 °, four frees degree of two vee-blocks (3) restriction workpiece.
6. cross axle step surface clamp for machining according to claim 1 is characterized in that: the through hole II (1.1.1) in cylinder boss (1.1) is shoulder hole, and the through hole III (2.1) in hook pressure plate (2) is shoulder hole.
7. cross axle step surface clamp for machining according to claim 1 is characterized in that: the through hole II (1.1.1) of hook pressure plate (2) lower end and cylinder boss (1.1) adopts matched in clearance, and hook pressure plate (2) can rotate.
CN2013202453191U 2013-05-09 2013-05-09 Cross shaft step face machining clamp CN203304936U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013202453191U CN203304936U (en) 2013-05-09 2013-05-09 Cross shaft step face machining clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013202453191U CN203304936U (en) 2013-05-09 2013-05-09 Cross shaft step face machining clamp

Publications (1)

Publication Number Publication Date
CN203304936U true CN203304936U (en) 2013-11-27

Family

ID=49611171

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013202453191U CN203304936U (en) 2013-05-09 2013-05-09 Cross shaft step face machining clamp

Country Status (1)

Country Link
CN (1) CN203304936U (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103659363A (en) * 2013-11-29 2014-03-26 无锡市航鹄科技有限公司 Efficient high-precision fixture for end milling
CN104097079A (en) * 2014-07-04 2014-10-15 宁波真和电器股份有限公司 Clamp used for fixing net of shaver
CN104097087A (en) * 2014-07-09 2014-10-15 天津第一机床总厂 Inspection fixture and machining method for finish planing of long shaft parts with guide surfaces
CN104400457A (en) * 2014-11-21 2015-03-11 苏州明远冲压件厂 Longitudinal reinforcing clamp
CN104440167A (en) * 2014-11-21 2015-03-25 苏州明远冲压件厂 Quick locating clamp
CN108127433A (en) * 2017-12-01 2018-06-08 安徽新荣钢构有限公司 A kind of fixing device of cross parts fixation equipment
CN109226792A (en) * 2018-08-31 2019-01-18 津上精密机床(浙江)有限公司 A kind of automatic reversing apparatus for cross-shaped members
CN109262457A (en) * 2018-11-05 2019-01-25 新乡航空工业(集团)有限公司 A kind of grip device for workpiece planarization grinding

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103659363A (en) * 2013-11-29 2014-03-26 无锡市航鹄科技有限公司 Efficient high-precision fixture for end milling
CN104097079A (en) * 2014-07-04 2014-10-15 宁波真和电器股份有限公司 Clamp used for fixing net of shaver
CN104097087A (en) * 2014-07-09 2014-10-15 天津第一机床总厂 Inspection fixture and machining method for finish planing of long shaft parts with guide surfaces
CN104400457A (en) * 2014-11-21 2015-03-11 苏州明远冲压件厂 Longitudinal reinforcing clamp
CN104440167A (en) * 2014-11-21 2015-03-25 苏州明远冲压件厂 Quick locating clamp
CN108127433A (en) * 2017-12-01 2018-06-08 安徽新荣钢构有限公司 A kind of fixing device of cross parts fixation equipment
CN109226792A (en) * 2018-08-31 2019-01-18 津上精密机床(浙江)有限公司 A kind of automatic reversing apparatus for cross-shaped members
CN109226792B (en) * 2018-08-31 2020-04-10 津上精密机床(浙江)有限公司 Automatic reversing device for cross-shaped workpiece
CN109262457A (en) * 2018-11-05 2019-01-25 新乡航空工业(集团)有限公司 A kind of grip device for workpiece planarization grinding

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131127

Termination date: 20140509

C17 Cessation of patent right