CN201086204Y

CN201086204Y - Jig special for interchangeable chuck for wire-electrode cutting

Info

Publication number: CN201086204Y
Application number: CNU200720178525XU
Authority: CN
Inventors: 王少卿
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-09-18
Filing date: 2007-09-18
Publication date: 2008-07-16
Anticipated expiration: 2017-09-18

Abstract

A special fixture with a replaceable clamp for wire cutting comprises a main body, a knob, a screw, a copper gasket, a clamp fixing base, a positioning plate, a cushion block, a lock top screw, an adjusting top screw and a fastening clamp, wherein the fastening clamp is replaceable and the center line of the fastening clamp is positioned on the angular bisector of two positioning reference planes of the fixture; the position of the fastening clamp can be adjusted up and down on the clamp fixing base; the two reference planes of the fixture for positioning a workpiece are vertical to each other to form a 90 DEG angle; the upper and the lower planes of the fixture are vertical to the two positioning reference surfaces and can be fixed and assembled as basal planes; the positioning plate is fixed below the fixture; and the cushion block is fixed between the fixture and the positioning plate. The utility model can apply relatively balance force to a workpiece clamped by the utility model, can measure the coordinates of the center of a round workpiece with back stage by indirect method and can carry out taper processing. Specifically, the invention can easily solve the problem when a direction requirement is desired for clamping a workpiece.

Description

Line cuts interchangeable chuck special fixture

Technical field

The utility model is the special fixture of the employed replaceable chuck of a kind of wire cutting machine tool, refers at the clamping device that round piece is added man-hour especially.

Background technology

At present, wire cutting machine tool is in that round piece to be added chuck that man-hour, its fixation workpiece of employed anchor clamps was used all be not interchangeable and upper-lower position is positioned at the centre of anchor clamps.In the mould production process, often run into some round pieces, the quiet model core of mould shown in figure (1), be with the type hole of tapering concentric in the middle of adding the core that not only requires man-hour to process with quiet model core, but also the straight mold insert hole that requires to process will keep certain direction with quiet model core, and quiet model core has back of the body platform.Anchor clamps clamping with general line incising circular workpiece, shown in figure (3), owing to have obstruction and this quiet model core of core back of the body platform to can be used for facing directly of clamping and shorter, chuck can only the quiet model core of clamping when the clamping core faces directly for half or still less for anchor clamps, thereby making core be used for facing directly of clamping is subjected to force unbalance to influence the perpendicularity of core clamping, and under general situation, the back of the body platform of core does not carry out fine finishining, so just make the center of circle of back of the body platform and the center of circle decentraction of core, can't find out the center of circle of core by the back of the body platform of core; Even the back of the body platform of core is through fine finishining, the center of circle of back of the body platform is concentric with the center of circle of core, because anchor clamps clamping limit can only be measured the chord length of back of the body platform when looking for the center of circle of core, therefore the error of measuring is bigger, in this case, want to guarantee that the machining accuracy of quiet model core generally can only cut out the circular hole of a diameter than the big 0.01mm-0.02mm of core cylindrical earlier on a plate, process the desired shape of core hole with this circular hole alignment core then, because core has tapering, therefore also to be used for fixing location-plate and locating piece, so that determine the height of core program face in hole of processing, locating hole next door.More when the quantity of core, when the size of core cylindrical has error again,, the machining accuracy that guarantees each core locatees each core for will cutting out a plurality of and the corresponding circular hole of each core, and processing is got up and is not only bothered very much like this, but also waste material very.

Summary of the invention

In order to overcome the deficiency of above-mentioned anchor clamps, the utility model provides a kind of not only can change the clamping position that chuck is regulated chuck arbitrarily, and can also measure the central coordinate of circle that band is carried on the back the round piece of platform by round-about way, and can carry out tapering to workpiece by the anchor clamps accessory and process, particularly when having clamping that the round piece of carrying on the back platform requires to look for the center of circle and workpiece and have direction to require, the line that can address these problems easily cuts interchangeable chuck special fixture.

To achieve these goals, the utility model is by the following technical solutions:

A kind of line cuts interchangeable chuck special fixture, comprise: jig main body, knob, copper washer, leading screw, the chuck holder, location-plate, cushion block, the locking jackscrew, regulate jackscrew and removable mounting bracket, wherein: the center line of removable mounting bracket is positioned on the angular bisector of anchor clamps two location datum level A face and B face, removable mounting bracket is connected with the chuck holder with dovetail groove by dovetail, cooperation between them is for being slidingly matched, and be fixed on the chuck holder by set screw hole on locking jackscrew and the chuck holder, with shape multiple different model is arranged according to the size of the needs mounting bracket of clamping; The thickness of chuck holder will equate with the thickness of jig main body, can make mounting bracket selectable clamping scope when clamping bigger like this; Cooperating also for being slidingly matched between the sliding-rail groove on chuck holder and the jig main body, thus when clamping workpiece, leading screw is rotated promote the chuck holder to move the clamping of realizing workpiece along the direction of the sliding-rail groove on the jig main body by the rotation knob; Anchor clamps are used for to the orthogonal one-tenth 90 degree angles of two datum levels of workpiece location; Two planes up and down of anchor clamps are vertical mutually with two location datum levels of anchor clamps; Location-plate is fixed on the below of anchor clamps; Cushion block is fixed between anchor clamps and the location-plate, and two planes up and down of cushion block are parallel to each other; Be provided with on the anchor clamps 2 two sides bands back of the body platforms be used for anchor clamps are fixed on the through hole of using on the lathe, the screw of 6 M8 is set around 2 through holes, be provided with in the screw and regulate the depth of parallelism that jackscrew comes alignment jig.

The most outstanding characteristics of the utility model be anchor clamps be used for the chuck of fastening workpiece be can change and also different models arranged, the position of mounting bracket on the chuck holder can up-down adjustment; It is orthogonal one-tenth 90 degree angles that anchor clamps are used for to two datum levels that workpiece is located; Two planes up and down of anchor clamps are vertical mutually with two location datum levels of anchor clamps, like this when clamping directly with plane or lower plane on the dial gauge centering anchor clamps, just can guarantee the perpendicularity of workpiece when clamping, it is very convenient to operate; Be used for anchor clamps are fixed at the through hole that is provided with 2 two sides bands back of the body platforms on the anchor clamps and use on the lathe, as E hole and the F hole among the figure (2).In the ordinary course of things when workpiece not with back of the body platform or can be when seeking the hole and determine the center of circle of workpiece, anchor clamps can be used F hole clamping like that to general round piece anchor clamps, shown in figure (9), being used for the top wire hole of the alignment jig depth of parallelism is J, K, L, the M hole, and have back of the body platform when needing to look for the center of circle of excircle of workpiece when workpiece, anchor clamps can be rotated one 45 degree, shown in figure (1), with other E hole stationary fixture, this moment, two of anchor clamps location datum level A face and B face will parallel with the X-axis and the Y-axis of lathe respectively, being used for the top wire hole of the depth of parallelism of alignment jig is H, I, J, the M hole, mounting bracket is selected corresponding model and adjust to suitable fixed-site on the chuck holder according to the needs of clamping workpiece; Two plane C face D faces up and down of anchor clamps can carry out clamping as basal plane to be fixed; The screw of 3 M5 on the anchor clamps and 4 slotted holes add and are used for fixing location-plate man-hour carrying out tapering; Location-plate is used for supporting workpiece and to workpiece location, can whether add or not add cushion block according to the needs of clamping workpiece between anchor clamps and location-plate, and cushion block is used for regulating work procedure face height; 4 profiled holes on the anchor clamps are the weight that is used for alleviating anchor clamps; It is for convenience of clamping that the two ends of anchor clamps leading screw all are provided with knob; These anchor clamps promptly can directly be fixed on and use the use that also can match with the 3R anchor clamps on the workbench of lathe.

Owing to adopt technique scheme, the utlity model has following advantage and effect:

The utility model can not only be by changing different model mounting bracket and the clamping position of adjusting chuck make the stressed relative equilibrium of workpiece when clamping, but also can measure the central coordinate of circle that band is carried on the back the round piece of platform by enough round-about ways, and can utilize anchor clamps accessories such as location-plate, cushion block to determine the height of work procedure face, thereby can carry out tapering processing; Because the mounting bracket of anchor clamps can up-down adjustment on the chuck holder, therefore the thickness of jig main body can thicklyer than the thickness of general round piece anchor clamps can not impact the clamping of anchor clamps yet, and, also widened the range of work of anchor clamps simultaneously because the location datum level of anchor clamps has been thickeied relative also the improving to some extent of the clamping precision of workpiece; When the shape hole that workpiece will be processed had direction to require, under the situation that workpiece does not clamp fully, workpiece can be used the hand rotation direction very stably in anchor clamps, so just can carry out the direction centering of workpiece; Particularly have the round piece of carrying on the back platform, and during the varying in size of diameter of work, use these anchor clamps to look for time saving and energy saving that the center of circle of workpiece can be very as a plurality of.

Description of drawings

Fig. 1 is the utility model and the 3R anchor clamps assembling schematic diagram when being used, and Fig. 1 a is a front view, and Fig. 1 b is Fig. 1 aA-A view.

Fig. 2 is the jig main body schematic diagram after the utility model removes accessories such as knob, leading screw, chuck holder, location-plate, cushion block.Fig. 2 a is a front view, and Fig. 2 b is a left view.

Fig. 3 is the schematic diagram of general line incising circular work piece holder, and the chuck of anchor clamps is centres that not interchangeable upper-lower position is positioned at anchor clamps, and the angles between two location datum levels of anchor clamps are 120 degree.Fig. 3 a is a front view, and Fig. 3 b is a left view.

Fig. 4 is the utility model chuck holder schematic diagram, and Fig. 4 a is a front view, and Fig. 4 b is a left view.

Fig. 5 is two kinds of removable mounting bracket schematic diagrames of the utility model.Fig. 5 a is a front view, and Fig. 5 b is the left view of Fig. 5 a, and Fig. 5 c is a front view, and Fig. 5 d is the left view of Fig. 5 c.

Fig. 6 is a location-plate schematic diagram of the present utility model.Fig. 6 a is the slotted hole location-plate, and Fig. 6 b is the screw location-plate.

Fig. 7 is a cushion block schematic diagram of the present utility model.

Fig. 8 is a knob schematic diagram of the present utility model, and Fig. 8 a is a front view, and Fig. 8 b is a left view.

Fig. 9 is the utility model at workpiece not with back of the body platform or clamping method schematic diagram that can be when seeking the hole and determine the center of circle of workpiece.

The clamping method schematic diagram that Figure 10 is the utility model when the height number that runs into the workpiece that will process tapering is littler than the thickness value of anchor clamps.Figure 10 a is a front view, and Figure 10 b is a left view.

Among the figure: 1-copper washer, 2-leading screw, 3-location-plate, 4-workpiece, the removable mounting bracket of 5-, 6-locking jackscrew, 7-chuck holder, 8-knob, 9-cushion block, 10-regulate jackscrew, 11-jig main body, 12-3R anchor clamps, the last plane of C-anchor clamps, the lower plane of D-anchor clamps, two orthogonal location datum levels of A, B-anchor clamps, the through hole of E, F-two sides band back of the body platform, the top wire hole of H, I, J, K, L, the M-alignment jig depth of parallelism.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

Referring to Fig. 1, Fig. 2, a kind of line cuts interchangeable chuck special fixture, comprise: jig main body 11, knob 8, copper washer 1, leading screw 2, chuck holder 7, location-plate 3, cushion block 9, locking jackscrew 6, regulate jackscrew 10 and removable mounting bracket 5, wherein: the center line of removable mounting bracket 5 is positioned on the angular bisector of anchor clamps two location datum level A face and B face, removable mounting bracket 5 is connected with chuck holder 7 with dovetail groove by dovetail, cooperation between them is for being slidingly matched, and be fixed on the chuck holder 7 by set screw hole on locking jackscrew 6 and the chuck holder 7, according to the size and the shape of the removable mounting bracket 5 of the needs of clamping multiple different model is arranged; The thickness of chuck holder 7 will equate with the thickness of jig main body 11, can make mounting bracket 5 selectable clamping scope when clamping bigger like this; Cooperating also for being slidingly matched between the sliding-rail groove on chuck holder 7 and the jig main body 11, thus when clamping workpiece 4, leading screw 2 is rotated promote chuck holders 7 to move the clamping of realizing workpiece 4 along the direction of the sliding-rail groove on the jig main body 11 by rotation knob 8; Jig main body 11 is used for to the orthogonal one-tenth 90 degree angles of two datum level A face B faces of workpiece 4 location; Two plane C faces up and down of jig main body 11 are vertical mutually with the B face with two location datum level A faces of jig main body 11 with the D face; Location-plate 3 is fixed on the below of jig main body 11; Cushion block 9 is fixed between jig main body 11 and the location-plate 3, two planes up and down of cushion block 9 are parallel to each other, be provided with on the jig main body 11 2 two sides bands back of the body platforms be used for anchor clamps are fixed on through hole E hole and the F hole of using on the lathe, screw H, I, J, K, L, the M screw of 6 M8 are set around 2 through holes, are provided with in H, I, J, K, L, the M screw and regulate the depth of parallelism that jackscrew comes alignment jig.

Add man-hour, in the ordinary course of things when workpiece not with back of the body platform or can be when seeking the hole and determine the center of circle of workpiece, anchor clamps can be used F hole clamping like that to general round piece anchor clamps, shown in figure (9), mounting bracket is selected corresponding model and adjust to suitable fixed-site on the chuck holder according to the workpiece of clamping, last plane C or lower plane D centering with anchor clamps, make the X-axis and the formed plane parallel of Y-axis of last plane C or the lower plane D and the lathe of anchor clamps, determine just can directly process behind the center of circle of workpiece the shape hole of workpiece, being used for the top wire hole of the depth of parallelism of alignment jig this moment is J, K, L, the M hole; And have back of the body platform when needing to look for the center of circle of excircle of workpiece when round piece, anchor clamps can be rotated one 45 degree, shown in figure (1), fix anchor clamps with other E hole, two last plane C or lower plane D difference centerings of locating datum level A face and B face and anchor clamps with anchor clamps, this moment, two of anchor clamps location datum level A face and B face paralleled with the X-axis and the Y-axis of lathe respectively, the X-axis of last plane C or lower plane D and lathe and the formed plane parallel of Y-axis, being used for the top wire hole of the depth of parallelism of alignment jig this moment is H, I, J, the M hole, mounting bracket is according to wanting the workpiece of clamping to select corresponding model and adjust to suitable fixed-site on the chuck holder.Also will go out the size of workpiece outside diameter earlier with miking before processing, if when a plurality of identical workpiece but the size of outside diameter have error, press the magnitude classification of excircle of workpiece diameter error earlier, the error of of a sort workpiece is identical.Respectively two of anchor clamps location datum level A faces and B face are bumped the limit centering with wire electrode during centering, eliminate the silk radius value behind the centering, then with wire electrode respectively along X-axis and Y-axis, towards each moves the radius value of a workpiece away from the direction of two of anchor clamps location datum level A faces and B face, because two of anchor clamps location datum level A faces and B face are orthogonal and parallel with the X-axis and the Y-axis of lathe that therefore the central point of mobile rear electrode silk is exactly the centre point of workpiece.

When the workpiece shape hole that will process requires to have certain tapering, can utilize screw and 4 slotted holes of 3 M5 on the anchor clamps; The screw of 3 M5 and 4 slotted holes add and are used for fixing location-plate man-hour carrying out tapering, the location-plate pattern can be selected for use according to the needs of clamping, the screw location-plate is to match with 3 M5 screws on the anchor clamps to use, and the slotted hole location-plate is to match with 4 slotted holes on the anchor clamps to use; Location-plate is fixed on the below of anchor clamps, is used for supporting workpiece, so just can make the height of work procedure face; Can whether add or not add cushion block according to the needs of clamping workpiece between location-plate and the anchor clamps, cushion block is used for regulating work procedure face height, and two planes up and down of cushion block require to be parallel to each other, and the thin and thick size of cushion block can have different size; When the height number of the workpiece that will process tapering is littler than the thickness value of anchor clamps, the method of using these anchor clamps clamping workpiece is shown in figure (10), between the back of the body platform of workpiece and anchor clamps, add a thin plate this moment, this be because the root of workpiece back of the body platform generally not back chipping little fillet is arranged, influence the perpendicularity of clamping workpiece easily; Two planes up and down of thin plate require to be parallel to each other, and the inside edge of thin plate will have the distance of 0.5-1mm apart from the limit that anchor clamps are located datum level during clamping, so that to the roundlet angle slot milling of workpiece back of the body platform root.Because the thickness of the height of the height of workpiece, back of the body platform, gauge of sheet, anchor clamps all is known, therefore just can extrapolate the height of work procedure face.

When the shape hole that workpiece will be processed had direction to require, under the situation that workpiece does not clamp fully, workpiece can be used the hand rotation direction very stably in these anchor clamps, so just can solve the direction centering problem of workpiece.

Claims

1. a line cuts interchangeable chuck special fixture, comprise: jig main body, knob, copper washer, leading screw, chuck holder, location-plate, cushion block, locking jackscrew, adjusting jackscrew and removable mounting bracket is characterized in that: the mounting bracket of anchor clamps is that its center line that can change is positioned on the angular bisector of two location of anchor clamps datum level; The position of mounting bracket on the chuck holder can up-down adjustment; Between the sliding-rail groove on chuck holder and the jig main body for being slidingly matched; Anchor clamps are used for to the orthogonal one-tenth 90 degree angles of two datum levels of workpiece location; Two planes up and down of anchor clamps are vertical mutually with two location datum levels of anchor clamps; Location-plate is fixed on the below of anchor clamps; Cushion block is fixed between anchor clamps and the location-plate, and two planes up and down of cushion block are parallel to each other; Be provided with 2 on the anchor clamps anchor clamps are fixed on the through hole of the two sides band back of the body platform of using on the lathe, 6 screw holes that distributing around 2 through holes are provided with the jackscrew of the alignment jig depth of parallelism in screw hole.

2. line according to claim 1 cuts interchangeable chuck special fixture, it is characterized in that: removable mounting bracket is slidingly connected by dovetail and dovetail groove and chuck holder, and is fixed on the chuck holder by set screw hole on locking jackscrew and the chuck holder.

3. line according to claim 1 cuts interchangeable chuck special fixture, it is characterized in that: the thickness of chuck holder will equate with the thickness of jig main body.

4. line according to claim 1 cuts interchangeable chuck special fixture, it is characterized in that: two of anchor clamps location datum levels and the X-axis and the Y-axis of lathe have " paralleling " and " not parallel " two kinds fixedly installation way.

5. line according to claim 1 cuts interchangeable chuck special fixture, it is characterized in that: two planes up and down of anchor clamps can be used for working as fixedly clamping of basal plane.

6. line according to claim 1 cuts interchangeable chuck special fixture, it is characterized in that: the two ends of anchor clamps leading screw all are provided with knob.