CN105598261A - Fine blanking die - Google Patents

Fine blanking die Download PDF

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Publication number
CN105598261A
CN105598261A CN201510785022.8A CN201510785022A CN105598261A CN 105598261 A CN105598261 A CN 105598261A CN 201510785022 A CN201510785022 A CN 201510785022A CN 105598261 A CN105598261 A CN 105598261A
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CN
China
Prior art keywords
die
slide
feeding
fine blanking
male mould
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CN201510785022.8A
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Chinese (zh)
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CN105598261B (en
Inventor
杨静
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重庆持恒模具有限公司
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Priority to CN201510785022.8A priority Critical patent/CN105598261B/en
Publication of CN105598261A publication Critical patent/CN105598261A/en
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Publication of CN105598261B publication Critical patent/CN105598261B/en

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Abstract

The invention provides a fine blanking die and belongs to the field of dies. The fine blanking die comprises an upper die base and a lower die base which are connected through a guide pillar. At least one set of die mechanism is arranged between the upper die base and the lower die base. Each set of die mechanism comprises an upper male die and a lower female die, and further comprises a positioning mechanism. Each positioning mechanism comprises a left sliding base and a right sliding base which are connected through an elastic mechanism, wherein the left sliding base and the right sliding base are in sliding connection with the lower side base, and the left sliding base or the right sliding base is provided with a vertical positioning hole matched with the upper male die. A slope mechanism is arranged between the upper male die and the corresponding positioning mechanism. The fine blanking die can precisely punch a plate, and a manufactured workpiece is high in precision and quality; the upper male die in the fine blanking die can be protected well, is not damaged easily and is longer in service life.

Description

A kind of fine blanking die
Technical field
The present invention relates to mould applications, in particular to a kind of fine blanking die.
Background technology
Mould is that one of requisite equipment is produced in modernization industry. Stamping die is in mouldMost important one.
Stamping die generally comprises upper male mould and lower cavity die, pressure zone under upper bolster in punching courseMoving upper male mould is descending at sheet material or workpiece upper punch is portalled or other shape and structure parts. Some sheet materialsThe hole dimension that upper need are offered is less, and therefore in corresponding stamping die, the size of upper male mould also comparesLittle, in the process of punching press, upper bolster impulsive force is larger, at a flash of upper male mould contact sheet materialBetween easily there is of short duration deformation as bending skew etc., the generation of these deformation can cause punching placePosition, hole is not accurate. In the mismachining tolerance and the rigging error that add in stamping die making assembling process,Be easy to cause the substantial deviation of position, hole, cause the workpiece accuracy that processes low, of poor quality,Reduce yield rate, bring adverse effect to enterprise.
Summary of the invention
The invention provides a kind of fine blanking die, be intended to address the above problem.
The present invention is achieved in that
A kind of fine blanking die, comprises upper bolster and die shoe, and described upper bolster and die shoe pass throughGuide pillar is connected, and is provided with at least one group of die mechanism between upper bolster and die shoe; Each group instituteState die mechanism and comprise upper male mould and lower cavity die, described die mechanism also comprises detent mechanism;Described detent mechanism comprises left slide and right slide, and described left slide and right slide pass through elasticityMechanism is connected, and left slide and right slide are all slidably connected with die shoe, left slide or right slideBe provided with locating hole vertical and that match with upper male mould; Described upper male mould and detent mechanismBetween be provided with oblique mechanism; Left slide and the right side described in the time that upper male mould does not contact with detent mechanismSlide is in contact with one another; After upper male mould moves downward and contacts with detent mechanism, be subject to described obliqueAll die shoe slips and the mutually back of the body relatively of left slide and right slide described in the active force of face mechanismFrom, and make locating hole move to upper male mould under make upper male mould can pass this locating hole.
Fine blanking die is the very high mould of punch die precision namely. Upper bolster and die shoe are mouldBasic structure, in existing mould, upper bolster and die shoe are all substantially also to connect by guide pillarConnect, on guide pillar, also cover has spring, spring to play the effect of reset. Die mechanism is this essence punchingRequired hole is gone out on sheet material by the groundwork mechanism of mould when work. Upper male mould and recessedMould is also the common structure of mould.
In this fine blanking die, also comprise detent mechanism, can play the effect of location upper male mould,Make position, hole more accurate. Detent mechanism comprises left slide and right slide, also comprises locating hole,In the process of punch die, upper male mould, through locating hole, is subject to the positioning action of locating hole, makes punch dieIn process upper male mould can not be offset, the situation such as bending, upper male mould can be existed accuratelyDefault position upper punch is portalled.
Specifically be achieved in that under normal circumstances, upper male mould separates with detent mechanism,Left slide contacts with right slide; In die process, upper bolster presses down, and drives upper male mould to press down,Upper male mould is subject to the active force of oblique mechanism to drive left slide and right slide after contacting with detent mechanismMobile, and left slide deviate from mutually with right slide (away from) move, locating hole is moved toUnder punch, upper male mould can and be contacted through locating hole with sheet material, go out requiredHole.
Because pressing down left slide and right slide in process, upper male mould moves, and after motionLocating hole be just in time positioned at upper male mould under, therefore usually upper male mould and locating hole under stateMutually stagger, those skilled in the art can be rule of thumb and actual demand to said structureDesign it is met the demands.
When this fine blanking die is positioned under normal condition, left slide and right slide are mutually close, and willUpper male mould is clipped in the middle of the two, and left slide and right slide can play the effect of protection upper male mould,Make upper male mould not allow to be subject to the shock of miscellaneous part, play good protective effect.
Therefore, the fine blanking die of this structure can carry out punching to sheet material accurately, producesThe workpiece accuracy coming is higher, and quality is better; And in fine blanking die, upper male mould can be protected preferablyProtect, be not easy to sustain damage, the life-span is longer.
Left slide and right slide are all slidably connected with die shoe, can realize the knot of this modeStructure is more, for example, be provided with slide block in the bottom of left slide and right slide, on die shoe, is provided withChute, can realize the sliding relation between each parts like this.
Equally rule of thumb and demand also can design oblique mechanism, for example, oblique mechanismCan be such design: described upper male mould is connected with upper bolster by upper fixed seat, described onHolder is symmetrical structure, and its left side comprises that the first connected vertical plane and first inclinesInclined-plane, is equipped with the second inclined plane and the second vertical plane on described left slide and right slide.
As shown in the figure, the first inclined plane is consistent with the inclination angle on the second inclined plane. In die processUpper fixed seat presses down, and the first inclined plane is contacted with the second inclined plane, between inclined-plane, producesThrust, pushes left slide and right slide open respectively to the left and right, and left slide and right slide are producedAway from motion, finally make on first vertical plane and left slide and right slide of upper fixed seatTwo the second inclined planes contact, now left slide and right slide are not moving, and locationHole be positioned at upper male mould under, make upper male mould can pass locating hole.
As shown in the figure, there is shown locating hole and be arranged on the situation on left slide, left slideOn extend a location-plate, locating hole is arranged on this location-plate. In some cases,Location-plate may extend to right slide inconsistent, now can be on right slide relevant positionOffer blind hole, location-plate is extended in this blind hole and can be not inconsistent with right slide.
Further, described elastic mechanism comprises that level is located between left slide and right slideBack-moving spring. By the pulling force of back-moving spring, make left slide and right slide energy in knockout courseEnough move toward one another also move to initial position.
Further, on the adjacent face of described left slide and right slide, be respectively provided with a spring eye,The two ends of described back-moving spring lay respectively in two spring eyes and fix with at the bottom of the hole of spring eyeConnect. The setting of spring eye lays respectively in hole the two ends of back-moving spring, has improved resetThe rigidity of spring, has increased the range of choice of back-moving spring, makes back-moving spring more stable,And pulling force is stronger, make left slide and right slide homing quickly.
Preferably, elastic mechanism has spaced two groups, as shown in the figure, and two groups of elasticity machinesStructure lays respectively at the both sides of location-plate, makes left slide and right slide stressed evenly, can be steadyGround motion.
The top of locating hole preferably adopts arc transition, and upper male mould can more easily be entered alsoThrough locating hole, make between the two frictional force less, the wear extent of upper male mould is less, improvesThe service life of fine blanking die.
In the time needing to process position, multiple hole on a sheet material, can adopt multiple operations to addWork, corresponding mould is called the progressive die, this essence in the time having many group die mechanism in this fine blanking diePunch die is exactly a kind of progressive die. In the progressive die, need sheet material to be shifted, move it toNext station, the mechanism design in existing mold, sheet material being shifted is reasonable not, causesAfter sheet material displacement, position is accurate not, causes position, the hole precision that processes lower.
For this reason, further, this fine blanking die can also design like this: described die mechanism hasSpaced many groups, between described upper bolster and die shoe, be also provided with feed mechanism, described inFeed mechanism comprises the first feeding table, and this first feeding table is flexibly connected with die shoe, canLongitudinally motion on die shoe, the first feeding table drives by the first drive motors; DescribedOn the first feeding table, be provided with along its length screw mandrel, screw mandrel and the first feeding table are rotationally connected,Screw mandrel drives by the second drive motors, and screw mandrel is provided with the second feeding table being spirally connected with it,The second feeding table is provided with clamping device; In the time that rotating, screw mandrel can drive the second feeding table edgeThe axially-movable of screw mandrel.
Can complete the handover of sheet material by feed mechanism, sheet material is moved from one group of die mechanismMove to next group die mechanism carry out corresponding punch die work. The first feeding table and die shoe are livedBe dynamically connected, can on die shoe, longitudinally move, longitudinally refer to the front and back in Fig. 7To, perpendicular to the direction of paper; Or can be described as the left and right directions in Fig. 8. SecondScrew mandrel on feeding table and the first feeding table is spirally connected, and can drive by the drive connection of screw threadThe second feeding table transverse shifting on die shoe, i.e. left and right directions in Fig. 7.
When specific works, board clamp is held on clamping device, by the second drive motors bandMovable wire bar, mobile the second feeding table, moves to first group of die mechanism by sheet material, opens theOne drive motors moves the first feeding table, and sheet material is moved on die shoe, opens first groupDie mechanism is carried out punching for the first time; Rotate backward the first drive motors sheet material is shifted out to firstGroup die mechanism, opens the second drive motors sheet material has been delivered to second group of die mechanism position,Open the first drive motors and sheet material is put on the die shoe of second group of die mechanism, open theTwo groups of die mechanism are carried out punching for the second time, complete twice punching, complete the processing of workpiece.
This feed mechanism is by the position of drive motors control sheet material, and each drive motors passes throughSolenoid control, can control stroke accurately, realizes the accurate location of sheet material, makes sheet materialCan be placed on correct position, go out correct position, hole.
Therefore, the fine blanking die of this structure can position exactly, produces precision moreHigh workpiece, the quality of raising workpiece, enterprise benefit.
Further, described feed mechanism also comprises for limiting the second feeding table along screw mandrelThe position-limit mechanism of radial direction motion, described position-limit mechanism comprises to be located on the first feeding tableLimited block, limited block have at least two and respectively with leading flank and the trailing flank of the second feeding tableLaminating.
Position-limit mechanism limits the second feeding table and moves radially. Position-limit mechanism herein can be limitPosition piece, can realize position-limiting action by limited block.
Or described screw mandrel has two of parallel interval setting, two rhizoid bars are all by secondDrive motors drives, and described the second feeding table and two rhizoid bars are all spirally connected.
Two rhizoid bars not only can be realized position-limiting action, can also make transmission more stable, makeThe second feeding table operation is more stable.
Further, the motor shaft of described the second drive motors is provided with driving gear, twoOn screw mandrel, be equipped with the driven gear engaging with described driving gear. Drive by same secondMoving motor drives two rhizoid bars, and driving gear can be realized transmission with engaging of driven gear.
Preferably, two rhizoid bars are symmetrically set in the both sides of motor shaft about the axis of motor shaft.This setup maximizes distance between two rhizoid bars, makes the second feeding table can be moreAdd stably and connect and be connected with screw mandrel, move more steady.
The invention has the beneficial effects as follows: the fine blanking die that the present invention obtains by above-mentioned design, energyEnough accurately sheet material is carried out to punching, the workpiece accuracy of making is higher, and quality is better;And in fine blanking die, upper male mould can be protected preferably, is not easy to sustain damage, the life-spanLonger.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme of embodiment of the present invention, below will be to implementingIn mode, the accompanying drawing of required use is briefly described, and should be appreciated that the following drawings only showsGo out some embodiment of the present invention, therefore should not be counted as the restriction to scope, forThose of ordinary skill in the art, not paying under the prerequisite of creative work, all rightObtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the first fine blanking die of providing of embodiment of the present invention;
Structure when Fig. 2 is the use of the first fine blanking die of providing of embodiment of the present invention is shownIntention;
Fig. 3 is the structural representation of detent mechanism in the fine blanking die that provides of embodiment of the present inventionFigure;
Fig. 4 is the cutaway view of Fig. 3;
Fig. 5 is detent mechanism knot in use in the fine blanking die that provides of embodiment of the present inventionStructure schematic diagram;
Fig. 6 is the structural representation of the second fine blanking die of providing of embodiment of the present invention, thisTime not shown feed mechanism;
Fig. 7 is the structural representation of the second fine blanking die of providing of embodiment of the present invention, showsGo out feed mechanism;
Fig. 8 is the first feed mechanism in the second fine blanking die of providing of embodiment of the present inventionCutaway view;
Fig. 9 is the second feed mechanism in the second fine blanking die of providing of embodiment of the present inventionCutaway view;
Figure 10 is the second feeder in the second fine blanking die of providing of embodiment of the present inventionThe structural representation that in structure, the second drive motors is connected with screw mandrel.
Figure acceptance of the bid note is respectively:
Upper bolster 101; Die shoe 102; Guide pillar 103; Upper male mould 104; Lower cavity die 105;Left slide 106; Right slide 107; Locating hole 108; The first vertical plane 109; First tiltsFace 110; The second inclined plane 111; The second vertical plane 112; Back-moving spring 113; Spring eye114; The first feeding table 115; Screw mandrel 116; The second feeding table 117; Limited block 118; MainMoving gear 119; Driven gear 120; Clamping device 121; The second drive motors 122; OnHolder 123.
Detailed description of the invention
For making object, technical scheme and the advantage of embodiment of the present invention clearer, belowIn connection with the accompanying drawing in embodiment of the present invention, to the technical scheme in embodiment of the present inventionBe clearly and completely described, obviously, described embodiment is a part of the present inventionEmbodiment, instead of whole embodiments. Based on the embodiment in the present invention, thisField those of ordinary skill is not being made obtain under creative work prerequisite every otherEmbodiment, all belongs to the scope of protection of the invention. Therefore, to providing in the accompanying drawingsThe detailed description of embodiments of the present invention be not intended to limit claimed of the present inventionScope, but only represent selected embodiment of the present invention. Based on the enforcement in the present inventionMode, those of ordinary skill in the art obtain under creative work prerequisite not makingEvery other embodiment, all belongs to the scope of protection of the invention.
In description of the invention, it will be appreciated that term " " center ", " longitudinally ", " horizontal strokeTo ", " length ", " width ", " thickness ", " on ", D score, 'fornt', 'back', " left side ", " right side "," vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise " etc.Instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be only forBe convenient to describe the present invention and simplified characterization, instead of equipment or the unit of instruction or hint indicationPart must have specific orientation, construct and operation with specific orientation, therefore can not understandFor limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as fingerShow or imply relative importance or imply the quantity that indicates indicated technical characterictic. Thus,One or more can be expressed or impliedly be comprised to the feature that is limited with " first ", " second "Multiple these features. In description of the invention, the implication of " multiple " is two or more,Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ",The term such as " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, alsoCan be to removably connect, or integral; Can be mechanical connection, can be also electrical connection;Can be to be directly connected, also can indirectly be connected by intermediary, can be two elementsInner connection or the interaction relationship of two elements. For the ordinary skill people of this areaMember, can understand above-mentioned term concrete meaning in the present invention as the case may be.
In the present invention, unless otherwise clearly defined and limited, First Characteristic is the second spyLevy it " on " or D score can comprise that the first and second features directly contact, and also can compriseThe first and second features are not directly contacts but connect by the other feature between themTouch. And, First Characteristic Second Characteristic " on ", " top " and " above " comprise firstFeature directly over Second Characteristic and oblique upper, or only represents that First Characteristic level height is highIn Second Characteristic. First Characteristic Second Characteristic " under ", " below " and " below " compriseOne feature is under Second Characteristic and tiltedly, or only represents First Characteristic level heightBe less than Second Characteristic.
Refer to Fig. 1-Figure 10
The fine blanking die that present embodiment provides, comprises upper bolster 101 and die shoe 102, onDie holder 101 and die shoe 102 are connected by guide pillar 103, upper bolster 101 and die shoe 102Between be provided with at least one group of die mechanism; Each group die mechanism comprise upper male mould 104 and underDie 105, die mechanism also comprises detent mechanism; Detent mechanism comprise left slide 106 andRight slide 107, left slide 106 and right slide 107 are connected by elastic mechanism, left slide106 and right slide 107 be all slidably connected with die shoe 102, left slide 106 or right slide107 are provided with locating hole 108 vertical and that match with upper male mould 104; Upper male mould 104And between detent mechanism, be provided with oblique mechanism; In the time that upper male mould 104 does not contact with detent mechanismLeft slide 106 and right slide 107 are in contact with one another; When upper male mould 104 moves downward and with fixedAfter the contact of position mechanism, be subject to the left slide 106 of active force and right slide 107 homogeneous phases of oblique mechanismDie shoe 102 is slided and mutually deviated from, and make locating hole 108 move to upper male mould 104Under make upper male mould 104 can pass this locating hole 108.
Fine blanking die is the very high mould of punch die precision namely. Upper bolster 101 and die shoe 102For the basic structure of mould, in existing mould, upper bolster 101 and die shoe 102 are substantially alsoBe all connect by guide pillar 103, on guide pillar 103, also cover has spring, spring to play resetEffect. Die mechanism is the groundwork mechanism of this fine blanking die, when work, on sheet material, goes outRequired hole. Upper male mould 104 is also the common structure of mould with lower cavity die 105.
In this fine blanking die, also comprise detent mechanism, can play the work of location upper male mould 104With, make position, hole more accurate. Detent mechanism comprises left slide 106 and right slide 107, alsoComprise locating hole 108, in the process of punch die, upper male mould 104 is through locating hole 108, and it is fixed to be subject toPosition hole 108 positioning action, make upper male mould 104 in die process can not be offset, curvedThe situations such as folding, can portal upper male mould 104 accurately in default position upper punch.
Specifically be achieved in that under normal circumstances, upper male mould 104 divides with detent mechanismFrom, left slide 106 contacts with right slide 107; In die process, upper bolster 101 presses down,Drive upper male mould 104 to press down, upper male mould 104 is subject to oblique mechanism after contacting with detent mechanismActive force drives left slide 106 and right slide 107 to move, and left slide 106 and right slide107 deviate from mutually (away from) motion, make locating hole 108 move to upper male mould 104 just underSide, can and contact through locating hole 108 upper male mould 104 with sheet material, go out requiredHole.
Because pressing down left slide 106 and right slide 107 in process, upper male mould 104 moves,And after motion locating hole 108 be just in time positioned at upper male mould 104 under, therefore usual shapeUnder state, upper male mould 104 staggers mutually with locating hole 108, and those skilled in the art can rootTo said structure design, it is met the demands according to experience and actual demand.
When this fine blanking die is positioned under normal condition, left slide 106 and right slide 107 lean on mutuallyClosely, and upper male mould 104 is clipped in the middle of the two, left slide 106 and right slide 107 are passablePlay the effect of protection upper male mould 104, make upper male mould 104 not allow to be subject to hitting of miscellaneous partHit, play good protective effect.
Therefore, the fine blanking die of this structure can carry out punching to sheet material accurately, producesThe workpiece accuracy coming is higher, and quality is better; And upper male mould 104 can be by better in fine blanking dieProtect, be not easy to sustain damage, the life-span is longer.
Left slide 106 is all slidably connected with die shoe 102 with right slide 107, can realizeThe structure of this mode is more, for example, be provided with in the bottom of left slide 106 and right slide 107Slide block is provided with chute on die shoe 102, can realize like this slip between each partsRelation.
Equally rule of thumb and demand also can design oblique mechanism, for example, oblique mechanismCan be such design: upper male mould 104 is connected with upper bolster 101 by upper fixed seat 123,Upper fixed seat 123 is symmetrical structure, and its left side comprises the first connected vertical plane 109And first inclined plane 110, on left slide 106 and right slide 107, be equipped with the second inclined plane111 and second vertical plane 112.
As shown in the figure, the first inclined plane 110 is consistent with the inclination angle on the second inclined plane 111. PunchingIn mold process, upper fixed seat 123 presses down, and makes the first inclined plane 110 and the second inclined plane 111Contact, between inclined-plane, produce thrust, left slide 106 and right slide 107 are distinguished leftPush open on the right side, make left slide 106 and right slide 107 produce away from motion, finally makeOn the first vertical plane 109 of holder 123 and left slide 106 and right slide 107 twoThe second inclined plane 111 contacts, and now left slide 106 and right slide 107 are not moving,And locating hole 108 be positioned at upper male mould 104 under, make the upper male mould 104 can be through fixedHole 108, position.
As shown in the figure, there is shown locating hole 108 and be arranged on the situation on left slide 106,On left slide 106, extend a location-plate, locating hole 108 is arranged on this location-plate.In some cases, location-plate may extend to right slide 107 inconsistent, now canOn right slide 107 relevant positions, offer blind hole, location-plate is extended in this blind hole and notCan be inconsistent with right slide 107.
Further, elastic mechanism comprise level be located at left slide 106 and right slide 107 itBetween back-moving spring 113. By the pulling force of back-moving spring 113, make left cunning in knockout courseSeat 106 and right slide 107 can move toward one another and are moved to initial position.
Further, on the face that left slide 106 and right slide 107 are adjacent, be respectively provided with a bulletSpring hole 114, the two ends of back-moving spring 113 lay respectively in two spring eyes 114 and with bulletAt the bottom of the hole in spring hole 114, be fixedly connected with. The setting of spring eye 114 makes two of back-moving spring 113End lays respectively in hole, has improved the rigidity of back-moving spring 113, has increased back-moving spring 113Range of choice, make back-moving spring 113 more stable, and pulling force is stronger, make left slide 106And right slide 107 homing quickly.
Preferably, elastic mechanism has spaced two groups, as shown in the figure, and two groups of elasticity machinesStructure lays respectively at the both sides of location-plate, makes left slide 106 and right slide 107 stressed evenly,Can move reposefully.
The top of locating hole 108 preferably adopts arc transition, and upper male mould 104 can more be heldEasily enter and pass locating hole 108, making between the two frictional force less, upper male mould 104Wear extent is less, improves the service life of fine blanking die.
In the time needing to process position, multiple hole on a sheet material, can adopt multiple operations to addWork, corresponding mould is called the progressive die, this essence in the time having many group die mechanism in this fine blanking diePunch die is exactly a kind of progressive die. In the progressive die, need sheet material to be shifted, move it toNext station, the mechanism design in existing mold, sheet material being shifted is reasonable not, causesAfter sheet material displacement, position is accurate not, causes position, the hole precision that processes lower.
For this reason, further, this fine blanking die is design like this: die mechanism has intervalArrange many groups, between upper bolster 101 and die shoe 102, be also provided with feed mechanism, feedingMechanism comprises the first feeding table 115, and this first feeding table 115 connects with die shoe 102 is movableConnect, can on die shoe 102, longitudinally move, the first feeding table 115 drives by firstMoving motor drives; On the first feeding table 115, be provided with along its length screw mandrel 116, screw mandrel116 and first feeding table 115 be rotationally connected, screw mandrel 116 is by the second drive motors 122Drive, screw mandrel 116 is provided with the second feeding table 117, the second feeding tables 117 that are spirally connected with itBe provided with clamping device 121; In the time that rotating, screw mandrel 116 can drive the second feeding table 117Along the axially-movable of screw mandrel 116.
Can complete the handover of sheet material by feed mechanism, sheet material is moved from one group of die mechanismMove to next group die mechanism carry out corresponding punch die work. The first feeding table 115 and counterdieSeat 102 is flexibly connected, and can on die shoe 102, longitudinally move, and longitudinally refers to figureFore-and-aft direction in 7, perpendicular to the direction of paper; Or can be described as the left side in Fig. 8Right. Screw mandrel 116 on the second feeding table 117 and the first feeding table 115 is spirally connected, logicalThe drive connection of crossing screw thread can drive the second feeding table 117 laterally to move on die shoe 102Moving, i.e. left and right directions in Fig. 7.
When specific works, (taking two groups of die mechanism as example), are held in clamping device by board clampOn 121, drive screw mandrel 116 by the second drive motors 122, mobile the second feeding table 117,Sheet material is moved to first group of die mechanism, open the first drive motors and move the first feeding table115, sheet material is moved on die shoe 102, open first group of die mechanism and carry out for the first timePunching; Rotate backward the first drive motors sheet material is shifted out to first group of die mechanism, open theSecond group of die mechanism position delivered to by sheet material by two drive motors 122, opens first and driveMotor is put into sheet material on the die shoe 102 of second group of die mechanism, opens second group of punch dieMechanism carries out punching for the second time, completes twice punching, completes the processing of workpiece.
This feed mechanism is by the position of drive motors control sheet material, and each drive motors passes throughSolenoid control, can control stroke accurately, realizes the accurate location of sheet material, makes sheet materialCan be placed on correct position, go out correct position, hole.
Therefore, the fine blanking die of this structure can position exactly, produces precision moreHigh workpiece, the quality of raising workpiece, enterprise benefit.
Further, feed mechanism also comprises for limiting the second feeding table 117 along screw mandrel 116The position-limit mechanism of radial direction motion, position-limit mechanism comprises to be located on the first feeding table 115Limited block 118, limited block 118 has at least two and respectively with the second feeding table 117Leading flank and trailing flank laminating.
Position-limit mechanism limits the second feeding table 117 and moves radially. Position-limit mechanism herein canBe limited block 118, can realize position-limiting action by limited block 118.
Or screw mandrel 116 has two of parallel interval setting, two rhizoid bars 116 all pass throughThe second drive motors 122 drives, and the second feeding table 117 and two rhizoid bars 116 are all spirally connected.
Two rhizoid bars 116 not only can be realized position-limiting action, can also make transmission more stable,Make the second feeding table 117 move more stable.
Further, the motor shaft of the second drive motors 122 is provided with driving gear 119,On two rhizoid bars 116, be equipped with the driven gear 120 engaging with driving gear 119. Pass throughSame the second drive motors 122 drives two rhizoid bars 116, and driving gear 119 is with drivenThe engagement of gear 120 can realize transmission.
Preferably, two rhizoid bars 116 are symmetrically set in two of motor shaft about the axis of motor shaftSide. This setup maximizes the distance between two rhizoid bars 116, makes the second feedingPlatform 117 can more stably connect with screw mandrel 116 and be connected, and moves more steady.
For clearly demonstrating the present invention, in present embodiment, enumerate some specific embodiments:
Embodiment 1
A kind of fine blanking die, comprises upper bolster 101 and die shoe 102, upper bolster 101 and underDie holder 102 is connected by guide pillar 103, between upper bolster 101 and die shoe 102, is provided with twoGroup group die mechanism; Each group die mechanism comprises upper male mould 104 and lower cavity die 105, punchingMold mechanism also comprises detent mechanism; Detent mechanism comprises left slide 106 and right slide 107,Left slide 106 and right slide 107 are connected by elastic mechanism, left slide 106 and right slide107 are all slidably connected with die shoe 102, and left slide 106 or right slide 107 are provided with perpendicularStraight and match with upper male mould 104 locating hole 108; Upper male mould 104 and detent mechanismBetween be provided with oblique mechanism; Left slide 106 in the time that upper male mould 104 does not contact with detent mechanismAnd right slide 107 is in contact with one another; When upper male mould 104 moves downward and contacts with detent mechanismAfter, be subject to all die shoes 102 relatively of the left slide 106 of active force of oblique mechanism and right slide 107Slide and mutually deviate from, and make locating hole 108 move to upper male mould 104 under makePunch 104 can pass this locating hole 108.
Upper male mould 104 is connected with upper bolster 101 by upper fixed seat 123, upper fixed seat 123For symmetrical structure, its left side comprises that the first connected vertical plane 109 and first tiltsFace 110, is equipped with the second inclined plane 111 and second on left slide 106 and right slide 107Vertical plane 112. Elastic mechanism comprises that level is located between left slide 106 and right slide 107Back-moving spring 113. On the adjacent face of left slide 106 and right slide 107, be respectively provided with oneSpring eye 114, the two ends of back-moving spring 113 lay respectively in two spring eyes 114 and withAt the bottom of the hole of spring eye 114, be fixedly connected with. Elastic mechanism has spaced two groups; Locating hole108 are located on left slide 106 and its top arc transition.
Embodiment 2
A kind of fine blanking die, comprises upper bolster 101 and die shoe 102, upper bolster 101 and underDie holder 102 is connected by guide pillar 103, between upper bolster 101 and die shoe 102, is provided with 2Group die mechanism; Each group die mechanism comprises upper male mould 104 and lower cavity die 105, punch dieMechanism also comprises detent mechanism; Detent mechanism comprises left slide 106 and right slide 107, a left sideSlide 106 and right slide 107 are connected by elastic mechanism, left slide 106 and right slide 107All be slidably connected with die shoe 102, it is vertical that left slide 106 or right slide 107 are provided withAnd the locating hole 108 matching with upper male mould 104; Between upper male mould 104 and detent mechanismBe provided with oblique mechanism; Left slide 106 and the right side in the time that upper male mould 104 does not contact with detent mechanismSlide 107 is in contact with one another; After upper male mould 104 moves downward and contacts with detent mechanism,Be subject to the left slide 106 of active force and all relative die shoe 102 cunnings of right slide 107 of oblique mechanismMoving and mutually deviate from, and make locating hole 108 move to upper male mould 104 under make epireliefMould 104 can pass this locating hole 108.
Upper male mould 104 is connected with upper bolster 101 by upper fixed seat 123, upper fixed seat 123For symmetrical structure, its left side comprises that the first connected vertical plane 109 and first tiltsFace 110, is equipped with the second inclined plane 111 and second on left slide 106 and right slide 107Vertical plane 112. Elastic mechanism comprises that level is located between left slide 106 and right slide 107Back-moving spring 113. On the adjacent face of left slide 106 and right slide 107, be respectively provided with oneSpring eye 114, the two ends of back-moving spring 113 lay respectively in two spring eyes 114 and withAt the bottom of the hole of spring eye 114, be fixedly connected with. Elastic mechanism has spaced two groups; Locating hole108 are located on left slide 106 and its top arc transition.
Between upper bolster 101 and die shoe 102, be also provided with feed mechanism, feed mechanism comprisesThe first feeding table 115, this first feeding table 115 is flexibly connected with die shoe 102, canLongitudinally motion on die shoe 102, the first feeding table 115 drives by the first drive motorsMoving; On the first feeding table 115, be provided with along its length screw mandrel 116, screw mandrel 116 andOne feeding table 115 is rotationally connected, and screw mandrel 116 drives by the second drive motors 122, silkBar 116 is provided with the second feeding table 117, the second feeding tables 117 that are spirally connected with it and is provided withClamping device 121; In the time that rotating, screw mandrel 116 can drive the second feeding table 117 along screw mandrel116 axially-movable.
Screw mandrel 116 has two of parallel interval setting, and two rhizoid bars 116 all drive by secondMoving motor 122 drives, and the second feeding table 117 and two rhizoid bars 116 are all spirally connected. Second drivesThe motor shaft of moving motor 122 is provided with on driving gear 119, two rhizoid bars 116 and is equipped withThe driven gear 120 engaging with driving gear 119. Two rhizoid bars 116 are about motor shaftAxis is symmetrically set in the both sides of motor shaft.
The foregoing is only the preferred embodiment of the present invention, be not limited to thisBright, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improveDeng, within all should being included in protection scope of the present invention.

Claims (10)

1. a fine blanking die, is characterized in that, comprises upper bolster and die shoe, described patrixSeat and die shoe are connected by guide pillar, are provided with at least one group of punch die between upper bolster and die shoeMechanism; Each is organized described die mechanism and comprises upper male mould and lower cavity die, and described die mechanism alsoComprise detent mechanism; Described detent mechanism comprises left slide and right slide, described left slide andRight slide is connected by elastic mechanism, and left slide and right slide are all slidably connected with die shoe,Left slide or right slide are provided with locating hole vertical and that match with upper male mould; On describedBetween punch and detent mechanism, be provided with oblique mechanism; In the time that upper male mould does not contact with detent mechanismDescribed left slide and right slide are in contact with one another; When upper male mould moves downward and connects with detent mechanismAfter touch, be subject to described in the active force of described oblique mechanism all die shoes relatively of left slide and right slideSlide and mutually deviate from, and make locating hole move to upper male mould under make the upper male mould canThrough this locating hole.
2. fine blanking die according to claim 1, is characterized in that, described upper male mould is logicalCross upper fixed seat and be connected with upper bolster, fixed seat is symmetrical structure, its left sidePortion comprises the first connected vertical plane and the first inclined plane, equal on described left slide and right slideBe provided with the second inclined plane and the second vertical plane.
3. fine blanking die according to claim 2, is characterized in that, described elastic mechanismComprise that level is located at the back-moving spring between left slide and right slide.
4. fine blanking die according to claim 3, is characterized in that, described left slide andOn the adjacent face of right slide, be respectively provided with a spring eye, the two ends of described back-moving spring are position respectivelyIn two spring eyes and with at the bottom of the hole of spring eye, be fixedly connected with.
5. according to the fine blanking die described in claim 1-4 any one, it is characterized in that, described inElastic mechanism has spaced two groups; Described locating hole is located on left slide and its top is usedArc transition.
6. fine blanking die according to claim 1, is characterized in that, described die mechanismThere are spaced many groups, between described upper bolster and die shoe, are also provided with feed mechanism, instituteState feed mechanism and comprise the first feeding table, this first feeding table is flexibly connected with die shoe, energyEnough longitudinally motions on die shoe, the first feeding table drives by the first drive motors; InstituteState on the first feeding table and be provided with along its length screw mandrel, screw mandrel and the first feeding table rotate and connectConnect, screw mandrel drives by the second drive motors, and screw mandrel is provided with the second feeding being spirally connected with itPlatform, the second feeding table is provided with clamping device; In the time that rotating, screw mandrel can drive the second feedingPlatform is along the axially-movable of screw mandrel.
7. fine blanking die according to claim 6, is characterized in that, described feed mechanismAlso comprise the position-limit mechanism moving along the radial direction of screw mandrel for limiting the second feeding table, instituteState position-limit mechanism and comprise the limited block of being located on the first feeding table, limited block have at least two andFit with leading flank and the trailing flank of the second feeding table respectively.
8. fine blanking die according to claim 6, is characterized in that, described screw mandrel has flatTwo of arranging of between-line spacing, two rhizoid bars are all by the second drive motors driving, described secondFeeding table and two rhizoid bars are all spirally connected.
9. fine blanking die according to claim 8, is characterized in that, described second drivesThe motor shaft of motor is provided with driving gear, on two rhizoid bars, is equipped with and described driving gearThe driven gear of engagement.
10. fine blanking die according to claim 9, is characterized in that, two rhizoid bars aboutThe axis of motor shaft is symmetrically set in the both sides of motor shaft.
CN201510785022.8A 2015-11-16 2015-11-16 A kind of fine blanking die CN105598261B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834213A (en) * 1973-02-12 1974-09-10 Hanzler Mfg Corp Workpiece translation mechanism for transfer die press
CN201455104U (en) * 2009-08-11 2010-05-12 河南省电力公司新乡供电公司 Anchor ear cold-bending punch forming die
CN201815590U (en) * 2010-10-22 2011-05-04 海盐猛凌汽车配件有限公司 Automotive starter switch shell bottom multi-pole precisely-punching die
CN203737817U (en) * 2014-03-31 2014-07-30 四川华玉车辆板簧有限公司 Rubber sheath assembly for plate spring center hole punching die pressing unloading
CN205270574U (en) * 2015-11-16 2016-06-01 重庆持恒模具有限公司 Fine blanking die

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834213A (en) * 1973-02-12 1974-09-10 Hanzler Mfg Corp Workpiece translation mechanism for transfer die press
CN201455104U (en) * 2009-08-11 2010-05-12 河南省电力公司新乡供电公司 Anchor ear cold-bending punch forming die
CN201815590U (en) * 2010-10-22 2011-05-04 海盐猛凌汽车配件有限公司 Automotive starter switch shell bottom multi-pole precisely-punching die
CN203737817U (en) * 2014-03-31 2014-07-30 四川华玉车辆板簧有限公司 Rubber sheath assembly for plate spring center hole punching die pressing unloading
CN205270574U (en) * 2015-11-16 2016-06-01 重庆持恒模具有限公司 Fine blanking die

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