CN103143607B

CN103143607B - Punching machine

Info

Publication number: CN103143607B
Application number: CN201210202050.9A
Authority: CN
Inventors: 叶如康
Original assignee: Individual
Current assignee: In Mountain City Of Guangzhou Jade Industry Co Ltd
Priority date: 2012-06-04
Filing date: 2012-06-04
Publication date: 2014-12-17
Anticipated expiration: 2032-06-04
Also published as: CN103143607A

Abstract

The invention relates to a punching machine, which comprises a machine body base body, a flywheel, a clutch device, a slide block, an upper mold, a lower mold, a material taking head, a driving device and a triggering device, wherein the upper mold is arranged on the slide block, the lower mold corresponds to the upper mold, a station is formed in a place of the lower place for placing a workpiece to be processed, the material taking head comprises a material taking ring, a first blocking element and the second blocking element, the driving device is used for driving each component of the material taking head to synergistically act for completing the automatic feeding, and the triggering device is used for choosing the opportunity to trigger the clutch device so that the lower mold completes the lower punching and reset stamping program. The punching machine has the following advantages that the structure is simple and reasonable, the operation is convenient, the automatic high-precision feeding can be realized, and safety and reliability are reached.

Description

A kind of punch press

Technical field

The present invention program relates to a kind of technical field of punch press.

Background technology

Punch press comprises lathe bed matrix as a kind of common device, flywheel, arrangement of clutch, slide block, be arranged at the patrix on slide block, the counterdie corresponding with patrix, counterdie forms station in order to the place of putting workpiece to be added, and operationally operator makes flywheel band movable slider and patrix complete a punching press program by triggering arrangement of clutch.It is large that this punch press has operational risk, the feature that working strength is high, application number be 201120186366.4 utility model made useful improvement, a kind of automatic feeder for punch is disclosed, it comprises frame, frame is provided with and is positioned at lifting diel side and can carries out to the counterdie of lifting diel the feeding rod that horizontal linear moves back and forth feeding, be positioned at the raw material holder below feeding rod, can move back and forth up and down thus intermittently the raw material on raw material holder be sent to the loader of feeding rod and be connected to feeding rod between feeding rod and raw material holder, linkage driving device between loader and the drift motion control rotating shaft being used for driving the horizontal cross being elevated diel elevating movement to arrange, wherein feeding rod is provided with magnetic material in order to adsorb workpiece to be added, this autoloader improves ram efficiency, ensure the safety of operator, but still there are some shortcomings in this technical scheme: the magnetic material on feeding rod keeps often inhaling state to machined part, this can cause feeding rod magnetic material when diel place is forced to unload workpiece to be added likely to reverse workpiece to be added at random, feeding can not accurately be put in place, it is particularly evident that this situation shows when workpiece to be added is in irregular shape, feeding rod in addition, loader connects drift motion control rotating shaft by linkage driving device, and this is arranged in real operation to exist and has a big risk, the feature that required precision is high, the all strokes of feeder all depend on that drift moves, once feeder goes wrong and drift motion continuation, not only damage punch press itself, also entail dangers to operator.

Summary of the invention

The technical problem that the present invention program will solve is the present situation for prior art, provides a kind of simple and reasonable, easy to operate, the feeding of energy automatic, high precision, safe and reliable a kind of punch press.

The technical scheme that the present invention program solves the problem is: a kind of punch press, comprise lathe bed matrix, flywheel, arrangement of clutch, slide block, be arranged at the patrix on slide block, the counterdie corresponding with patrix, counterdie forms station in order to the place of putting workpiece to be added, also comprises a feeding head, drive unit, flip flop equipment, feeding head comprises feeding ring, the first block piece, the second block piece, and feeding ring is hollow structure and the shape of cross section of the shape of cross section of its hollow space and workpiece to be added matches, drive unit constantly repeats an operation stroke in order to drive feeding head, the concrete steps running stroke are, the first step drives feeding ring to move to discharge position from feeding position and the first block piece and the second block piece are positioned at the vertical projected area of feeding ring jointly to form supporting construction to machined part in this course, feeding position refers to that feeding ring meets position when getting workpiece to be added, when being in discharge position, feeding ring closes on and just to station, it is motionless that second step feeding ring rests on discharge position, first block piece and the second block piece relative separation fall into station to make workpiece to be added, 3rd step feeding ring returns back to feeding position and stops at this, jointly to form supporting construction to machined part in the vertical projected area that accordingly the first block piece and the second block piece have moved to feeding ring when feeding ring arrives feeding position, each run arrive predetermined stroke point when feeding head in stroke time, flip flop equipment triggers arrangement of clutch to make to state the punching press program that patrix completes a undershoot, reset, and makes this punching press program can not be subject to feeding ring, the first block piece, the obstructing of the second block piece.The feeding ring of the present invention program feeding position meet get workpiece to be added after move to discharge position under effect at drive unit, period first block piece and the second block piece jointly form supporting surface to machined part to prevent to be processed whereabouts, after feeding ring arrives discharge position, feeding ring itself keeps motionless, first block piece and the second block piece relative separation fall into station to make workpiece to be added, then feeding loopback is answered and is rested on feeding position, jointly to form supporting surface to machined part in the vertical projected area that accordingly the first block piece and the second block piece have been reset to feeding ring when feeding ring arrives feeding position, wait for feeding stroke next time, flip flop equipment select a good opportunity trigger arrangement of clutch complete a punching press program to make patrix, complete the processing to the workpiece to be added be in station.In above-mentioned feeding process workpiece to be added stably located by feeding ring and after station put into by workpiece to be added feeding ring, the first barrier sheet, the second barrier sheet can not this workpiece to be added of random perturbation, reach the object of automatic, high precision feeding, flip flop equipment operation stroke in select a good opportunity trigger arrangement of clutch complete a punching press program to make counterdie, the punching stroke of punch press restricts by feeding stroke as can be seen here, reduces operational risk.In operation stroke, select predetermined stroke point to be worthy of careful study, because run some the stage feeding ring in stroke at one, first block piece, second block piece appears at above station, counterdie may be subject to obstructing of they when performing undershoot program, in general predetermined stroke point can be selected to return back in the process of feeding position at feeding ring, also can select to rest in the process of feeding position at feeding ring, can also select in theory at feeding ring from feeding position to the running of discharge position, the time window that certain last a kind of selection is supplied to punching press program is very little, should select flexibly depending on the time window of punching press program in practical operation.A punching press program comprises patrix undershoot, reset two steps, completes processing to machined part during patrix undershoot, and patrix resets and refers to that the backward upper returning original position of processing that patrix completes to machined part performs punching press program to wait for next time.When punching press program in addition starts, feeding ring, the first block piece, the second block piece not necessarily have to leave above station, because patrix and feeding ring, the first block piece, the second block piece belong to the process dynamically crossed, as patrix starts undershoot program, now feeding ring entirety is not withdrawn from above station, but when after patrix undershoot one segment distance, feeding ring entirety is withdrawn from above station, this punching press program is not subject to obstructing of feeding ring in this course.

Further technology, drive unit performs and to make the first block piece and the second block piece lose support to machined part when running the second step of stroke simultaneously.This setting makes workpiece two ends to be added lose support simultaneously, and dropping process is more steady.

Technique scheme requires manually workpiece to be added to be delivered to feeding position, not very convenient, is necessary to be improved.

Further technology, also comprise the material storage tube of a vertical setting, slide plate, the shape of cross section of material storage tube and the shape of cross section of workpiece to be added match to stack workpiece to be added, material storage tube lower rectify to feeding position with make feeding ring arrive feeding position time one workpiece to be added naturally fall into feeding ring, the lower end of feeding ring and material storage tube is left gap and is taken a workpiece to be added out of to make feeding ring at every turn, slide plate is horizontally disposed with and is slidably connected to the lower end of material storage tube, the court of slide plate maintains an equal level with the upper surface of feeding ring above, back-moving spring is provided with to make slide plate be reset to be formed immediately below material storage tube support to machined part between slide plate and material storage tube.In the technical program is arranged, when feeding ring arrives feeding position, slide plate is backed down, and a workpiece to be added falls into feeding ring naturally, and when feeding endless belt walks this workpiece to be added, slide plate synchronously follows up and forms support to the workpiece to be added in material storage tube.

Further technology, all sides of material storage tube are provided with heater.This setting makes material storage tube heat to machined part, is more easily stamped shaping after workpiece to be added is heated.

Drive unit constantly repeats an operation stroke in order to drive feeding head, concerning particularly important the present invention program.

Preferably, drive unit comprises one first rotating shaft, be arranged at the first cam in the first rotating shaft, the second cam, the 3rd cam, do left and right to the first slide bar be slidably connected, the second slide bar, the 3rd slide bar, in order to order about the first motor and first gearbox of the first axis of rotation with lathe bed matrix, the left end apical grafting of the first slide bar is on the periphery of the first cam, the right-hand member of the first slide bar connects feeding ring, the left end apical grafting of the second slide bar is on the periphery of the second cam, the right-hand member of the second slide bar connects the first block piece, the left end apical grafting of the 3rd slide bar is on the periphery of the 3rd cam, the right-hand member of the 3rd slide bar connects the second block piece, the first spring is provided with the periphery making the first slide bar press the first cam between first slide bar and lathe bed matrix, the second spring is provided with the periphery making the second slide bar press the second cam between second slide bar and lathe bed matrix, the 3rd spring is provided with the periphery making the 3rd slide bar press the 3rd cam between 3rd slide bar and lathe bed matrix, first cam, second cam, 3rd cam synchronous rotary one week feeding head completes an operation stroke, be specially the first cam, second cam, the process of the 3rd cam synchronous rotary 360 deg is divided into three parts, i.e. Part I, Part II, Part III, in Part I rotary course, first cam becomes large to drive feeding ring to move to discharge position from from feeding position to the output radius of the first slide bar, to the output radius of the second slide bar and the 3rd cam, the output radius to the 3rd slide bar all becomes large to corresponding second cam, reach the first block piece and the second block piece with this and complete the first step running stroke with feeding ring, in Part II rotary course, the output radius of the first cam to the first slide bar is constant to make feeding ring rest on discharge position, the output radius of the second cam to the second slide bar diminishes the first block piece is moved to the left, 3rd cam becomes large to make the second block piece move right to the output radius of the 3rd slide bar, first block piece and the second block piece relative separation, so complete the second step running stroke, and the first block piece and the second block piece lose support to machined part in this course simultaneously, in Part III rotary course, the output radius of the first cam to the first slide bar first diminishes and remains unchanged afterwards to make feeding ring return back to feeding position and stop at this, the output radius of corresponding second cam to the second slide bar first diminishes and remains unchanged afterwards, when feeding ring arrives feeding position, the first block piece has been reset in the vertical projected area of feeding ring, the output radius of 3rd cam to the 3rd slide bar first become large after diminish and remain unchanged again, the ambassador second block piece dextrad that first becomes the output radius of 3rd cam to the 3rd slide bar moves and performs a punching press program slot milling as patrix, it is in order to when feeding ring arrives feeding position, the second block piece has been reset in the vertical projected area of feeding ring that 3rd cam remains unchanged to diminishing after the output radius of the 3rd slide bar again, and and the first block piece jointly form supporting construction to machined part, so complete the 3rd step running stroke, flip flop equipment comprises one first activation cam, first activation cam be arranged in the first rotating shaft with the first cam, second cam, 3rd cam coaxial rotates, first activation cam periphery apical grafting one first motion block, first motion block upward and downward is slidably connected to lathe bed matrix, the first motion block spring is provided with the periphery making the first motion block press the first activation cam between first motion block and lathe bed matrix, first activation cam periphery produces the reciprocating motion of a upward and downward when having one first projection to make the first motion block apical grafting protruding to first, when first motion block apical grafting is protruding to first, the 3rd cam to be in Part III rotary course and to reach maximum to the output radius of the 3rd slide bar, first motion block connects arrangement of clutch by one first drive link.The drive unit of the technical program is by the first cam, second cam, 3rd actuated by cams feeding ring, first block piece, second block piece Collaboration completes operation stroke, the flip flop equipment of the technical program triggers by the first activation cam the reciprocating motion that the first motion block completes a upward and downward, this motion class is similar to the foot-operated action of conventional punch press, first motion block connects arrangement of clutch in order to this motion is reached arrangement of clutch by one first drive link, punch press is made to complete a punching press program, when first motion block apical grafting is protruding to first, the 3rd cam to be in Part III rotary course and to reach maximum to the output radius of the 3rd slide bar, now the first block piece is separated on a large scale with the second block piece, feeding ring left-hand spreads above station, select to trigger arrangement of clutch herein particularly suitable.It is feeding action in order to ensure punch press and punching press close look at the swing that first cam, the second cam, the 3rd cam, the first activation cam are coaxially arranged, at mechanical field, thisly utilize the setting of some cam drivens each unit coordinates action of coaxial rotation to be ripe and known technical scheme, this technical scheme is used widely in the field of automatic instrument car.

3rd step first block piece of the operation stroke of technique scheme, the second block piece relative separation are withdrawn above station and are performed punching press program slot milling as patrix, first block piece, the second block piece also can be withdrawn in the same way in actual applications, as the first block piece, the second block piece perform punching press program slot milling to withdraw above station as patrix to left movement simultaneously.

In order to obtain better technique effect, the change in details can also be done to technique scheme, be specially the right-hand member that feeding ring is slidably connected at the first slide bar, be provided with spring between the two to locate at the right-hand member of the first slide bar to make feeding ring, feeding ring respectively has a backer to carry out spacing to it when arriving feeding position and discharge position, feeding ring first cam in the process moving to discharge position from feeding position becomes the output radius of the first slide bar finally makes feeding ring resilience apical grafting on the backer being positioned at discharge position one end greatly, feeding ring the first cam output radius to the first slide bar in the process moving to feeding position from discharge position diminishes and finally makes feeding ring resilience apical grafting on the backer being positioned at one end, feeding position, in order to prevent the backer being positioned at discharge position one end, the formation of punching press program is obstructed, feeding ring also can arrange an extended structure integrated with it, this extended structure extends to outside station, the backer being positioned at discharge position one end carries out spacing by this extended structure to feeding ring.

Preferably, drive unit comprises one second rotating shaft, does left and right to the cross bar be slidably connected and push rod, be arranged at the cross bar cam in the second rotating shaft and push rod cam, in order to order about the second motor and second gearbox of the second axis of rotation with lathe bed matrix, the periphery of the left end apical grafting cross bar cam of cross bar, the right-hand member of cross bar connects feeding ring, cross bar spring is provided with the periphery making cross bar press cross bar cam between cross bar and lathe bed matrix, first block piece and the second block piece are slidably connected at the right-hand member of cross bar, the first block piece spring is provided with to make the first block piece adduction between first block piece and the right-hand member of cross bar, the second block piece spring is provided with to make the second block piece adduction between second block piece and the right-hand member of cross bar, the periphery of the left end apical grafting push rod cam of push rod, the right-hand member of push rod has two-way lead-in chamfered in order to the gap between apical grafting first block piece and the second block piece, cross bar cam and push rod cam common rotation one week, feeding ring, first block piece, second block piece completes an operation stroke, concrete driving process is as follows, first time, the output radius change of cross bar cam to cross bar is ordered about greatly feeding ring and is moved to discharge position from feeding position, period first block piece and the second block piece be in adduction state and with feeding ring jointly to form supporting construction to machined part, second time, the output radius of cross bar cam to cross bar is constant to make feeding ring rest on discharge position, now push rod cam orders about push rod dextrad and moves, the right-hand member of push rod to insert between the first block piece and the second block piece and makes the first block piece and the second block piece relative separation fall into station to make workpiece to be added, first block piece and the second block piece lose support to machined part simultaneously in this course, 3rd time, the output radius of cross bar cam to cross bar first diminishes and remains unchanged afterwards to make feeding ring return back to feeding position and stop at this, corresponding push rod cam orders about right-hand member that push rod left-hand moves to remove push rod and inserts state between the first block piece and the second block piece, first block piece and the second block piece be in adduction state and with feeding ring jointly to form supporting construction to machined part, flip flop equipment comprises one second activation cam, second activation cam is arranged in the second rotating shaft to rotate with cross bar cam coaxial, second activation cam periphery apical grafting one second motion block, second motion block upward and downward is slidably connected to lathe bed matrix, be provided with the second motion block spring between second motion block and lathe bed matrix and press the second activation cam periphery to make the second motion block, second activation cam periphery produces the reciprocating motion of a upward and downward when having one second projection to make the second motion block apical grafting protruding to second, just order about feeding ring and leave above station in the rotary course that when second motion block apical grafting is protruding to second, cross bar cam is under the 3rd, second motion block connects arrangement of clutch by one second drive link.The drive unit of the technical program is by cross bar cam, push rod actuated by cams feeding ring, first block piece, second block piece Collaboration completes operation stroke, the flip flop equipment of the technical program triggers by the second activation cam the reciprocating motion that the second motion block completes a upward and downward, this motion class is similar to the foot-operated action of conventional punch press, second motion block connects arrangement of clutch in order to this motion is reached arrangement of clutch by one second drive link, makes punch press complete a punching press program.It is feeding action in order to ensure punch press and punching press close look at the swing that cross bar cam, push rod cam, the second activation cam are coaxially arranged.

Preferably, drive unit comprise one with lathe bed matrix about to the connecting rod be slidably connected, the 3rd rotating shaft, be arranged at the connecting rod cam in the 3rd rotating shaft, in order to order about the 3rd motor and the 3rd gearbox of the 3rd axis of rotation, calutron, single-chip microcomputer, conducting strip, the first circuit disconnects, the left end apical grafting of connecting rod is on the periphery of connecting rod cam, rod spring is provided with the periphery making connecting rod press connecting rod cam between connecting rod and lathe bed matrix, the right-hand member of connecting rod connects feeding ring, first block piece and the second block piece are slidably connected at the right-hand member of connecting rod, calutron is arranged at the right-hand member of connecting rod in order to drive the first block piece and the second block piece, connecting rod is provided with conducting strip, when feeding ring is in discharge position, conducting strip is connected the first circuit and is disconnected, the on off operating mode that single-chip microcomputer identification first circuit disconnects also judges whether feeding ring is in discharge position accordingly, single-chip microcomputer controls calutron according to judged result, connecting rod cam rotates one week, feeding ring, first block piece, second block piece completes an operation stroke, detailed process is as follows, process one connecting rod cam orders about greatly feeding ring to the change of connecting rod output radius and moves to discharge position from feeding position, period, Single-chip Controlling calutron made the first block piece and the second block piece be in closed state, process two connecting rod cam exports the constant feeding ring that makes of radius to connecting rod and rests on discharge position, single-chip microcomputer judges that controlling calutron after feeding ring is in discharge position makes the first block piece and the second block piece be in state separately, station is fallen into make workpiece to be added, process three connecting rod cam exports radius to connecting rod and first diminishes to remain unchanged afterwards and order about the redoubling of feeding loopback and rest on feeding position, the corresponding state that Single-chip Controlling calutron makes the first block piece and the recovery of the second block piece close after leaving discharge position, flip flop equipment comprises second circuit and disconnects, one vertical duct, slide in conduit a permanent magnet, the all sides of conduit arrange coil device, be provided with extension spring between permanent magnet and conduit to reset to make permanent magnet, when feeding ring just leaves above station conducting strip connect second circuit disconnect and identify by single-chip microcomputer, single-chip microcomputer accordingly control coil device work completes a reciprocating motion to make permanent magnet, permanent magnet by one the 3rd drive link connect arrangement of clutch.The drive unit of the technical program is by connecting rod actuated by cams feeding ring, single-chip microcomputer drives the first block piece and the second block piece according to the Stroke Control calutron of feeding ring, feeding ring is facilitated with this, first block piece, second block piece completes an operation stroke jointly, the flip flop equipment of the technical program comprises second circuit and disconnects, conduit, permanent magnet, coil device, when feeding ring is just withdrawn above station, conducting strip connect second circuit disconnect and identify by single-chip microcomputer, the Single-chip Controlling coil device short time is in running order, permanent magnet is pushed down, along with coil device be closed in extension spring effect under permanent magnet upwards reset, permanent magnet like this completes a reciprocating motion, this motion class is similar to the foot-operated action of conventional punch press, this moves through the 3rd drive link and reaches arrangement of clutch, a undershoot is completed to make slide block and patrix, the step resetted, complete punching press program, it should be noted that second circuit disconnection secondary is switched in the once operation stroke of feeding ring, feeding ring moved to discharge position single-chip microcomputer to receive signal sequence was that second circuit disconnects input, the first circuit disconnects input from feeding position first time, second time feeding ring withdraws single-chip microcomputer from discharge position, and to receive signal sequence be that the first circuit disconnects input, second circuit disconnects input, and single-chip microcomputer should judge that secondary second circuit disconnects the signal input be input as when feeding head leaves above station.

In order to obtain better technique effect, the change in details can also be done to technique scheme, as feeding ring upward and downward is slidably connected at the right-hand member of connecting rod, and add a calutron ordering about feeding ring upward and downward and slide, each stroke main points of feeding ring add recognition device and is beneficial to single-chip microcomputer identification, implementation procedure is as follows, connecting rod cam orders about greatly feeding ring to the change of connecting rod output radius and moves to directly over discharge position from feeding position, now single-chip microcomputer makes feeding ring move downward and rest on discharge position by the calutron added, Single-chip Controlling first barrier sheet, second barrier sheet relative separation puts the work of workpiece to be added to complete, after completing storing workpiece to be added, feeding ring moves upward and is reset to directly over discharge position, finally under the ordering about of connecting rod cam, get back to feeding position.The change of this technical scheme makes feeding head energy dipping and heaving in operation stroke, and this is large to some thickness, and the workpiece to be added that concave-convex sense is strong is particularly suitable.Certainly the change of this technical scheme also realizes by the means of pure machinery, and as added a cam in the 3rd rotating shaft, this cam added has been associated moving up and down of feeding ring by driving member with feeding ring.

In fact, drive unit and corresponding flip flop equipment also have multiple technologies scheme, and as drive unit adopts pneumatic mode, at electro-mechanical arts, the embodiment of this control each associated components Collaboration is too numerous to enumerate, does not repeat one by one here.

Compared with prior art, the present invention program is a kind of punch press, comprises lathe bed matrix, flywheel, arrangement of clutch, slide block, is arranged at the patrix on slide block, the counterdie corresponding with patrix, counterdie forms station in order to the place of putting workpiece to be added, also comprises a feeding head, drive unit, flip flop equipment; Feeding head comprises feeding ring, the first block piece, the second block piece, and drive unit is in order to drive each parts Collaboration of feeding head to complete automatic charging; Flip flop equipment triggers arrangement of clutch in order to select a good opportunity and completes a undershoot to make counterdie, the punching press program of reset.The present invention program has the following advantages: simple and reasonable, easy to operate, the feeding of energy automatic, high precision, safe and reliable.

Accompanying drawing explanation

Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention 1;

Fig. 2 is drive unit in the embodiment of the present invention 1, the overall structure schematic diagram of flip flop equipment;

The structural representation that Fig. 3 is the first cam in the embodiment of the present invention 1, the second cam, the 3rd cam cooperatively interact;

Fig. 4 is the overall structure schematic diagram of the embodiment of the present invention 2;

Fig. 5 is drive unit in the embodiment of the present invention 2, the overall structure schematic diagram of flip flop equipment;

Fig. 6 is the overall structure schematic diagram of the embodiment of the present invention 3;

Fig. 7 is drive unit in the embodiment of the present invention 3, the overall structure schematic diagram of flip flop equipment.

Detailed description of the invention

Below in conjunction with embodiment, the present invention program is described in further detail:

Embodiment 1

A kind of punch press, comprises lathe bed matrix H1, flywheel H2, arrangement of clutch H3, slide block H5, is arranged at the patrix H7 on slide block H5, and the counterdie H8 corresponding with patrix H7, counterdie H8 form station H6 in order to the place of putting workpiece A to be added, also comprise a feeding 1, drive unit Q, flip flop equipment C, feeding 1 comprises feeding ring 11, first block piece 12, second block piece 13, and feeding ring 11 is hollow structure and the shape of cross section of the shape of cross section of its hollow space and workpiece A to be added matches, drive unit Q runs stroke in order to drive a feeding 1 continuous repetition one, the concrete steps running stroke are, the first step drives feeding ring 11 to move to discharge position R2 and the first block piece 12 and the second block piece 13 are positioned at the vertical projected area of feeding ring 11 jointly to form the supporting construction of A to machined part in this course from feeding position R1, feeding position R1 refers to that feeding ring 11 meets position when getting workpiece A to be added, when being in discharge position R2, feeding ring 11 closes on and just to station H6, second step feeding ring 11 stops motionless, first block piece 12 and the second block piece 13 relative separation fall into station H6 to make workpiece A to be added, 3rd step feeding ring 11 returns back to feeding position R1 and stops at this, jointly to form the supporting construction of A to machined part in the corresponding vertical projected area that first block piece 12 and the second block piece 13 have been reset to feeding ring 11 when feeding ring 11 arrives feeding position R1, each run arrive predetermined stroke point when feeding 1 in stroke time, flip flop equipment C triggers arrangement of clutch H3 with the punching press program making patrix H7 complete a undershoot, reset, and makes this punching press program can not be subject to obstructing of feeding ring 11, first block piece 12, second block piece 13.

Wherein, make the first block piece 12 and the second block piece 13 lose the support of A to machined part when drive unit Q performs the second step running stroke simultaneously.

Wherein, also comprise the material storage tube 2 of a vertical setting, slide plate 3, the shape of cross section of material storage tube 2 and the shape of cross section of workpiece A to be added match to stack workpiece A to be added, when material storage tube 2 lower to be rectified feeding position R1 to make feeding ring 11 arrive feeding position R1, one workpiece A to be added falls into feeding ring 11 naturally, feeding ring 11 leaves gap 5 with the lower end of material storage tube 2 and takes a workpiece A to be added out of to make feeding ring 11 at every turn, slide plate 3 is horizontally disposed with and is slidably connected to the lower end of material storage tube 2, the court of slide plate 3 maintains an equal level with the upper surface of feeding ring 11 above, back-moving spring 6 is provided with to make slide plate 3 be reset to be formed immediately below material storage tube 2 support to the workpiece A to be added in material storage tube 2 between slide plate 3 and material storage tube 2.

Wherein, all sides of material storage tube 2 are provided with heater N.

Wherein, drive unit Q comprises one first rotating shaft K1, be arranged at the first cam K2 on the first rotating shaft K1, the second cam K3, the 3rd cam K4, left and right is done to the first slide bar K5 be slidably connected, the second slide bar K6, the 3rd slide bar K7, in order to order about the first motor K8 and the first gearbox K9 of the first rotating shaft K1 rotation with lathe bed matrix H1, the left end apical grafting of the first slide bar K5 is on the periphery of the first cam K2, the right-hand member of the first slide bar K5 connects feeding ring 11, the left end apical grafting of the second slide bar K6 is on the periphery of the second cam K3, the right-hand member of the second slide bar K6 connects the first block piece 12, the left end apical grafting of the 3rd slide bar K7 is on the periphery of the 3rd cam K4, the right-hand member of the 3rd slide bar K7 connects the second block piece 13, the first spring K10 is provided with the periphery making the first slide bar K5 press the first cam K2 between first slide bar K5 and lathe bed matrix H1, the second spring K11 is provided with the periphery making the second slide bar K6 press the second cam K3 between second slide bar K6 and lathe bed matrix H1, the 3rd spring K12 is provided with the periphery making the 3rd slide bar K7 press the 3rd cam K4 between 3rd slide bar K7 and lathe bed matrix H1, first cam K2, second cam K3, 3rd cam K4 synchronous rotary one week feeding 1 completes an operation stroke, be specially the first cam K2, second cam K3, the process of the 3rd cam K4 synchronous rotary 360 deg is divided into three parts, i.e. Part I J1, Part II J2, Part III J3, in Part I J1 rotary course, first cam K2 becomes large to drive feeding ring 11 to move to discharge position R2 from from feeding position R1 to the output radius of the first slide bar K5, to the output radius of the second slide bar K6 and the 3rd cam K4, the output radius to the 3rd slide bar K7 all becomes large to corresponding second cam K3, reach the first block piece 12 and the second block piece 13 with this and complete the first step running stroke with feeding ring 11, in Part II J2 rotary course, the output radius of the first cam K2 to the first slide bar K5 is constant to make feeding ring 11 rest on discharge position R2, the output radius of the second cam K3 to the second slide bar K6 diminishes the first block piece 12 is moved to the left, 3rd cam K4 becomes large to make the second block piece 13 move right to the output radius of the 3rd slide bar K7, first block piece 12 and the second block piece 13 relative separation, so complete the second step running stroke, and the first block piece 12 and the second block piece 13 lose the support of A to machined part in this course simultaneously, in Part III J3 rotary course, the output radius of the first cam K2 to the first slide bar K5 first diminishes and remains unchanged afterwards to make feeding ring 11 return back to feeding position R1 and stop at this, the output radius of corresponding second cam K3 to the second slide bar K6 first diminishes and remains unchanged afterwards, when feeding ring 11 arrives feeding position R1, the first block piece 12 has been reset in the vertical projected area of feeding ring 11, the output radius of 3rd cam K4 to the 3rd slide bar K7 first become large after diminish and remain unchanged again, ambassador second block piece 13 dextrad that first becomes the output radius of 3rd cam K4 to the 3rd slide bar K7 moves and performs a punching press program slot milling as patrix H7, it is in order to when arriving feeding position R1 at feeding ring 11, the second block piece 13 has been reset in the vertical projected area of feeding ring 11 that 3rd cam K4 remains unchanged to diminishing after the output radius of the 3rd slide bar K7 again, and jointly form the supporting construction of A to machined part with the first block piece 12, so complete the 3rd step running stroke, flip flop equipment comprises one first activation cam K13, first activation cam K13 be arranged on the first rotating shaft K1 with the first cam K2, second cam K3, 3rd cam K4 coaxial rotation, first activation cam K13 periphery apical grafting one first motion block K14, first motion block K14 upward and downward is slidably connected to lathe bed matrix H1, first motion block K1) and lathe bed matrix H1 between be provided with the first motion block spring K15 with the periphery making the first motion block K14 press the first activation cam K13, first activation cam K13 periphery has one first protruding K16 to make the first motion block K14 apical grafting to the reciprocating motion producing a upward and downward during the first protruding K16, first motion block K14 apical grafting to be in Part III J3 rotary course to the 3rd cam K4 during the first protruding K16 and to reach maximum to the output radius of the 3rd slide bar K7, first motion block K14 connects arrangement of clutch H3 by one first drive link K17.

The present invention program is achieved in that drive unit is by the first cam K2, second cam K3, 3rd cam K4 drives feeding ring 11, first block piece 12, second block piece 13 Collaboration completes operation stroke, be specially feeding ring 11 when arriving feeding position R1, back down slide plate 3, workpiece A to be added falls into feeding ring 11 naturally, drive unit drives feeding ring 11 move to discharge position R2 from feeding position R1 and rest on discharge position R2, first block piece 12 and the second block piece 13 relative separation, workpiece A to be added falls into station H6 naturally, feeding ring 11, first block piece 12, second block piece 13 recesses the top of station H6, now flip flop equipment triggers arrangement of clutch H3 initiation punching stroke, the process of workpiece A to be added completes, feeding ring 11, first block piece 12, second block piece 13 is retracted into feeding position R1 to start next operation stroke, wherein slide plate 3 leaves synchronous in the process of feeding position R1 follow-up with the support of formation to the workpiece A to be added in material storage tube 2 at feeding ring.

Embodiment 2

A kind of punch press, comprises lathe bed matrix H1, flywheel H2, arrangement of clutch H3, slide block H5, is arranged at the patrix H7 on slide block H5, and the counterdie H8 corresponding with patrix H7, counterdie H8 form station H6 in order to the place of putting workpiece A to be added, also comprise a feeding 1, drive unit Q, flip flop equipment C, feeding 1 feeding ring 11, first block piece 12, second block piece 13, feeding ring 11 is hollow structure and the shape of cross section of the shape of cross section of its hollow space and workpiece A to be added matches, drive unit Q runs stroke in order to drive a feeding 1 continuous repetition one, the concrete steps running stroke are, the first step drives feeding ring 11 to move to discharge position R2 and the first block piece 12 and the second block piece 13 are positioned at the vertical projected area of feeding ring 11 jointly to form the supporting construction of A to machined part in this course from feeding position R1, feeding position R1 refers to that feeding ring 11 meets position when getting workpiece A to be added, when being in discharge position R2, feeding ring 11 closes on and just to station H6, second step feeding ring 11 stops motionless, first block piece 12 and the second block piece 13 relative separation fall into station H6 to make workpiece A to be added, 3rd step feeding ring 11 returns back to feeding position R1 and stops at this, jointly to form the supporting construction of A to machined part in the corresponding vertical projected area that first block piece 12 and the second block piece 13 have been reset to feeding ring 11 when feeding ring 11 arrives feeding position R1, each run arrive predetermined stroke point when feeding 1 in stroke time, flip flop equipment C triggers arrangement of clutch H3 with the punching press program making patrix H7 complete a undershoot, reset, and makes this punching press program can not be subject to obstructing of feeding ring 11, first block piece 12, second block piece 13.

Wherein, drive unit Q comprises one second rotating shaft D 1, do left and right to the cross bar D2 be slidably connected and push rod D3 with lathe bed matrix H1, be arranged at the cross bar cam D4 in the second rotating shaft D 1 and push rod cam D5, in order to order about the second motor D 6 and the second gearbox D7 that the second rotating shaft D 1 is rotated, the periphery of the left end apical grafting cross bar cam D4 of cross bar D2, the right-hand member of cross bar D2 connects feeding ring 11, cross bar spring D16 is provided with the periphery making cross bar D2 press cross bar cam D4 between cross bar D2 and lathe bed matrix H1, first block piece 12 and the second block piece 13 are slidably connected at the right-hand member of cross bar D2, the first block piece spring D8 is provided with to make the first block piece 12 adduction between first block piece 12 and the right-hand member of cross bar D2, the second block piece spring D9 is provided with to make the second block piece 13 adduction between second block piece 13 and the right-hand member of cross bar D2, the periphery of the left end apical grafting push rod cam D5 of push rod D3, the right-hand member of push rod D3 has two-way lead-in chamfered in order to the gap between apical grafting first block piece 12 and the second block piece 13, cross bar cam D4 and push rod cam D5 common rotation one week, feeding ring 11, first block piece 12, second block piece 13 completes an operation stroke, concrete driving process is as follows, first time, the output radius change of cross bar cam D4 to cross bar D2 is ordered about greatly feeding ring 11 and is moved to discharge position R2 from feeding position R1, period first block piece 12 and the second block piece 13 be in adduction state and with feeding ring 11 jointly to form the supporting construction of A to machined part, second time, the output radius of cross bar cam D4 to cross bar D2 is constant to make feeding ring 11 rest on discharge position R2, now push rod cam D5 orders about push rod D3 dextrad and moves, the right-hand member of push rod D3 to insert between the first block piece 12 and the second block piece 13 and makes the first block piece 12 and the second block piece 13 relative separation fall into station H6 to make workpiece A to be added, first block piece 12 and the second block piece 13 lose the support of A to machined part simultaneously in this course, 3rd time, the output radius of cross bar cam D4 to cross bar D2 first diminishes and remains unchanged afterwards to make feeding ring 11 return back to feeding position R1 and stop at this, corresponding push rod cam D5 orders about right-hand member that push rod D3 left-hand moves to remove push rod D3 and inserts state between the first block piece 12 and the second block piece 13, first block piece 12 and the second block piece 13 be in adduction state and with feeding ring 11 jointly to form the supporting construction of A to machined part, flip flop equipment comprises one second activation cam D10, second activation cam D10 be arranged in the second rotating shaft D 1 with cross bar cam D4 coaxial rotation, second activation cam D10 periphery apical grafting one second motion block D11, second motion block D11 upward and downward is slidably connected to lathe bed matrix H1, be provided with the second motion block spring D12 between second motion block D11 and lathe bed matrix H1 and press the second activation cam D10 periphery to make the second motion block D11, second activation cam D10 periphery has one second protruding D13 to make the second motion block D11 apical grafting to the reciprocating motion producing a upward and downward during the second protruding D13, second motion block D11 apical grafting to be in cross bar cam D4 during the second protruding D13 in the rotary course under the 3rd and just to order about feeding ring 11 and leaves above station H6, second motion block D11 connects arrangement of clutch H3 by one second drive link D15.

The implementation of the present invention program and embodiment 1 are roughly the same.

Embodiment 3

Wherein, drive unit Q comprises one with lathe bed matrix about H1 to the connecting rod B1 be slidably connected, 3rd rotating shaft B2, be arranged at the connecting rod cam B3 on the 3rd rotating shaft B2, in order to order about the 3rd motor B4 and the 3rd gearbox B5, calutron B6, the single-chip microcomputer B7 of the 3rd rotating shaft B2 rotation, conducting strip B8, the first circuit disconnects B9, the left end apical grafting of connecting rod B1 is on the periphery of connecting rod cam B3, rod spring B10 is provided with the periphery making connecting rod B1 press connecting rod cam B3 between connecting rod B1 and lathe bed matrix H1, the right-hand member of connecting rod B1 connects feeding ring 11, first block piece 12 and the second block piece 13 are slidably connected at the right-hand member of connecting rod B1, calutron B6 is arranged at the right-hand member of connecting rod D2 in order to drive the first block piece 12 and the second block piece 13, connecting rod B1 is provided with conducting strip B8, when feeding ring 11 is in discharge position, conducting strip B8 connects the first circuit and disconnects B9, state single-chip microcomputer B7 and identify that the first circuit disconnects the on off operating mode of B9 and judges whether feeding ring 11 is in discharge position accordingly, single-chip microcomputer B7 controls calutron B6 according to judged result, connecting rod cam B3 rotates one week, feeding ring 11, first block piece 12, second block piece 13 completes an operation stroke, detailed process is as follows, process one connecting rod cam B3 exports radius change to connecting rod B1 and orders about greatly feeding ring 11 from feeding position R) move to discharge position R2, period single-chip microcomputer B7 controls calutron B6 makes the first block piece 12 and the second block piece 13 be in closed state, process two connecting rod cam B3 exports the constant feeding ring 11 that makes of radius to connecting rod B1 and rests on discharge position R2, single-chip microcomputer B7 judges that controlling calutron B6 after feeding ring 11 is in discharge position makes the first block piece 12 and the second block piece 13 be in state separately, station H6 is fallen into make workpiece A to be added, process three connecting rod cam B3 exports radius to connecting rod B1 and first diminishes to remain unchanged afterwards and order about feeding ring 11 and reply and rest on feeding position R1, the corresponding state that single-chip microcomputer B7 control calutron B6 makes the first block piece 12 and the recovery of the second block piece 13 close after leaving discharge position, flip flop equipment comprises second circuit and disconnects B11, one vertical duct B12, slide in conduit B12 a permanent magnet B13, conduit B12 week side arranges coil device B14, be provided with extension spring B15 between permanent magnet B13 and conduit B12 to reset to make permanent magnet B13, time above feeding ring 11 just leaves station H6 conducting strip B8 connect second circuit disconnect B11 and identify by single-chip microcomputer B7, single-chip microcomputer B7 accordingly control coil device B14 works to make permanent magnet B13 complete a reciprocating motion, and permanent magnet B13 connects arrangement of clutch H3 by one the 3rd drive link B16.

The present invention program is achieved in that operator inserts workpiece A to be added on the feeding ring 11 being arranged in feeding position, drive unit drives feeding ring 11 to move between discharge position in feeding position by connecting rod cam B3 and back and forth runs, single-chip microcomputer B7 drives the first block piece 12 and the second block piece 13 according to the Stroke Control calutron B6 of feeding ring 11, feeding ring 11, first block piece 12, second block piece 13 collaborate completes an operation stroke, the flip flop equipment of the technical program comprises second circuit and disconnects B11, conduit B12, permanent magnet B13, coil device B14, when above feeding ring 11 just withdraws station H6, conducting strip B8 connect second circuit disconnect B11 and identify by single-chip microcomputer B7, the single-chip microcomputer B7 control coil device B14 short time is in running order, permanent magnet is pushed down, along with coil device be closed in the effect of extension spring B15 under permanent magnet upwards reset, permanent magnet like this completes a reciprocating motion, this motion class is similar to the foot-operated action of conventional punch press, this moves through the 3rd drive link B16 and reaches arrangement of clutch H3, a undershoot is completed to make slide block and patrix, the step resetted, complete stamping procedure,

Although the present invention program is described by reference to preferred embodiment, those skilled in the art should understand, and in the scope of claims, can do the various changes in form and details.

Claims

1. a punch press, comprise lathe bed matrix (H1), flywheel (H2), arrangement of clutch (H3), slide block (H5), be arranged at the patrix (H7) on described slide block (H5), the counterdie (H8) corresponding with described patrix (H7), described counterdie (H8) forms station (H6) in order to the place of putting workpiece to be added (A), it is characterized in that: also comprise a feeding head (1), drive unit (Q), flip flop equipment (C); Described feeding head (1) comprises feeding ring (11), first block piece (12), second block piece (13), described feeding ring (11) for hollow structure and the shape of cross section of the shape of cross section of its hollow space and workpiece to be added (A) match; described drive unit (Q) runs stroke in order to drive described feeding head (1) constantly to repeat one, the concrete steps of described operation stroke are, the first step drives described feeding ring (11) to move to discharge position (R2) and described first block piece (12) and described second block piece (13) are positioned at the vertical projected area of described feeding ring (11) jointly to form to machined part the supporting construction of (A) in this course from feeding position (R1), described feeding position (R1) refers to that described feeding ring (11) meets position when getting workpiece to be added (A), when being in described discharge position (R2), described feeding ring (11) is closed on and just to described station (H6), it is motionless that feeding ring (11) described in second step rests on discharge position, described first block piece (12) and described second block piece (13) relative separation fall into described station (H6) to make workpiece to be added (A), feeding ring (11) described in 3rd step returns back to feeding position (R1) and stops at this, jointly to form to machined part the supporting construction of (A) in the vertical projected area that first block piece (12) and described second block piece (13) described in accordingly when described feeding ring (11) arrives feeding position (R1) have moved to described feeding ring (11), to run in stroke when described feeding head (1) arrives predetermined stroke point described in each, described flip flop equipment (C) triggers described arrangement of clutch (H3) with the punching press program making described patrix (H7) complete a undershoot, reset, and makes this punching press program can not be subject to described feeding ring (11), described first block piece (12), the obstructing of described second block piece (13).

2. according to claim 1 at described a kind of punch press, it is characterized in that: when described drive unit (Q) performs the second step of described operation stroke, make described first block piece (12) and described second block piece (13) lose to machined part the support of (A) simultaneously.

3. a kind of punch press according to claim 1, it is characterized in that: the material storage tube (2) also comprising a vertical setting, slide plate (3), the shape of cross section of described material storage tube (2) and the shape of cross section of workpiece to be added (A) match to stack workpiece to be added (A), described material storage tube (2) lower rectify to feeding position (R1) with make described feeding ring (11) arrive feeding position (R1) time one workpiece to be added (A) naturally fall into described feeding ring (11), described feeding ring (11) is left gap (5) with the lower end of described material storage tube (2) and is taken a workpiece to be added (A) out of to make described feeding ring (11) at every turn, described slide plate (3) is horizontally disposed with and is slidably connected to the lower end of described material storage tube (2), the court of described slide plate (3) maintains an equal level with the upper surface of described feeding ring (11) above, back-moving spring (6) is provided with to make described slide plate (3) be reset to be formed immediately below described material storage tube (2) support to the workpiece to be added (A) in described material storage tube (2) between described slide plate (3) and described material storage tube (2).

4. a kind of punch press according to claim 3, is characterized in that: all sides of described material storage tube (2) are provided with heater (N).

5. a kind of punch press according to claim 2, it is characterized in that: described drive unit (Q) comprises one first rotating shaft (K1), be arranged at the first cam (K2) on described first rotating shaft (K1), the second cam (K3), the 3rd cam (K4), left and right is done to the first slide bar (K5) be slidably connected, the second slide bar (K6), the 3rd slide bar (K7), in order to order about the first motor (K8) and the first gearbox (K9) that described first rotating shaft (K1) rotates with described lathe bed matrix (H1); the left end apical grafting of described first slide bar (K5) is on the periphery of described first cam (K2), the right-hand member of described first slide bar (K5) connects described feeding ring (11), the left end apical grafting of described second slide bar (K6) is on the periphery of described second cam (K3), the right-hand member of described second slide bar (K6) connects described first block piece (12), the left end apical grafting of described 3rd slide bar (K7) is on the periphery of described 3rd cam (K4), the right-hand member of described 3rd slide bar (K7) connects described second block piece (13), the first spring (K10) is provided with the periphery making described first slide bar (K5) press described first cam (K2) between described first slide bar (K5) and described lathe bed matrix (H1), the second spring (K11) is provided with the periphery making described second slide bar (K6) press described second cam (K3) between described second slide bar (K6) and described lathe bed matrix (H1), the 3rd spring (K12) is provided with the periphery making described 3rd slide bar (K7) press described 3rd cam (K4) between described 3rd slide bar (K7) and described lathe bed matrix (H1), described first cam (K2), described second cam (K3), described 3rd cam (K4) synchronous rotary one week described feeding head (1) completes described in one runs stroke, be specially described first cam (K2), described second cam (K3), the process of described 3rd cam (K4) synchronous rotary 360 deg is divided into three parts, i.e. Part I (J1), Part II (J2), Part III (J3), in described Part I (J1) rotary course, described first cam (K2) becomes large to drive described feeding ring (11) to move to discharge position (R2) from feeding position (R1) to the output radius of described first slide bar (K5), accordingly described second cam (K3) to the output radius of described second slide bar (K6) and described 3rd cam (K4), the output radius to described 3rd slide bar (K7) all becomes large, described first block piece (12) and described second block piece (13) the to complete described operation stroke first step with described feeding ring (11) is reached with this, in described Part II (J2) rotary course, the output radius of described first cam (K2) to described first slide bar (K5) is constant to make described feeding ring (11) rest on discharge position (R2), the output radius of described second cam (K3) to described second slide bar (K6) diminishes described first block piece (12) is moved to the leftDescribed 3rd cam (K4) becomes large to make described second block piece (13) move right to the output radius of described 3rd slide bar (K7), described first block piece (12) and described second block piece (13) relative separation, so complete the second step of described operation stroke, and described first block piece (12) and described second block piece (13) lose to machined part the support of (A) in this course simultaneously, in described Part III (J3) rotary course, the output radius of described first cam (K2) to described first slide bar (K5) first diminishes and remains unchanged afterwards to make described feeding ring (11) return back to feeding position (R1) and stop at this, the output radius of described second cam (K3) to described second slide bar (K6) first diminishes and remains unchanged afterwards accordingly, described in when described feeding ring (11) arrives feeding position (R1), the first block piece (12) has been reset in the vertical projected area of described feeding ring (11), the output radius of described 3rd cam (K4) to described 3rd slide bar (K7) first become large after diminish and remain unchanged again, the second block piece (13) dextrad described in ambassador that first becomes the output radius of described 3rd cam (K4) to described 3rd slide bar (K7) moves and performs a punching press program slot milling as described patrix (H7), it is in order to the second block piece (13) described in when described feeding ring (11) arrives feeding position (R1) has been reset in the vertical projected area of described feeding ring (11) that described 3rd cam (K4) remains unchanged to diminishing after the output radius of described 3rd slide bar (K7) again, and jointly form the supporting construction of (A) to machined part with described first block piece (12), so complete the 3rd step of described operation stroke, described flip flop equipment comprises one first activation cam (K13), described first activation cam (K13) be arranged on described first rotating shaft (K1) with described first cam (K2), described second cam (K3), described 3rd cam (K4) coaxial rotation, described first activation cam (K13) periphery apical grafting one first motion block (K14), described first motion block (K14) upward and downward is slidably connected to described lathe bed matrix (H1), the first motion block spring (K15) is provided with the periphery making described first motion block (K14) press described first activation cam (K13) between described first motion block (K14) and described lathe bed matrix (H1), described first activation cam (K13) periphery has one first projection (K16) to make described first motion block (K14) apical grafting to the reciprocating motion producing a upward and downward time described first projection (K16), described first motion block (K14) apical grafting to be in described Part III (J3) rotary course to the 3rd cam (K4) described in time described first projection (K16) and to reach maximum to the output radius of described 3rd slide bar (K7), described first motion block (K14) connects described arrangement of clutch (H3) by one first drive link (K17).

6. a kind of punch press according to claim 2, it is characterized in that: described drive unit (Q) comprises one second rotating shaft (D1), left and right is done to the cross bar be slidably connected (D2) and push rod (D3) with described lathe bed matrix (H1), be arranged at the cross bar cam (D4) on described second rotating shaft (D1) and push rod cam (D5), in order to order about the second motor (D6) and the second gearbox (D7) that described second rotating shaft (D1) rotates; the periphery of cross bar cam (D4) described in the left end apical grafting of described cross bar (D2), the right-hand member of described cross bar (D2) connects described feeding ring (11), cross bar spring (D16) is provided with the periphery making described cross bar (D2) press described cross bar cam (D4) between described cross bar (D2) and described lathe bed matrix (H1), described first block piece (12) and described second block piece (13) are slidably connected at the right-hand member of described cross bar (D2), the first block piece spring (D8) is provided with to make described first block piece (12) adduction between the right-hand member of described first block piece (12) and described cross bar (D2), the second block piece spring (D9) is provided with to make described second block piece (13) adduction between the right-hand member of described second block piece (13) and described cross bar (D2), the periphery of push rod cam (D5) described in the left end apical grafting of described push rod (D3), the right-hand member of described push rod (D3) has two-way lead-in chamfered in order to the gap described in apical grafting between the first block piece (12) and described second block piece (13), described cross bar cam (D4) and described push rod cam (D5) common rotation one week, described feeding ring (11), described first block piece (12), described second block piece (13) completes an operation stroke, concrete driving process is as follows, first time, the output radius change of described cross bar cam (D4) to described cross bar (D2) is ordered about greatly described feeding ring (11) and is moved to discharge position (R2) from feeding position (R1), first block piece (12) described in period and described second block piece (13) be in adduction state and with described feeding ring (11) jointly to form to machined part the supporting construction of (A), second time, the output radius of described cross bar cam (D4) to described cross bar (D2) is constant to make described feeding ring (11) rest on discharge position (R2), now described push rod cam (D5) is ordered about described push rod (D3) dextrad and is moved, the right-hand member of described push rod (D3) to insert between described first block piece (12) and described second block piece (13) and makes described first block piece (12) and described second block piece (13) relative separation fall into described station (H6) to make workpiece to be added (A), described first block piece (12) and described second block piece (13) lose to machined part the support of (A) simultaneously in this course, 3rd time, the output radius of described cross bar cam (D4) to described cross bar (D2) first diminishes and remains unchanged afterwards to make described feeding ring (11) return back to feeding position (R1) and stop at this, corresponding described push rod cam (D5) is ordered about right-hand member that described push rod (D3) left-hand moves to remove described push rod (D3) and is inserted state between described first block piece (12) and described second block piece (13), described first block piece (12) and described second block piece (13) be in adduction state and with described feeding ring (11) jointly to form to machined part the supporting construction of (A), described flip flop equipment comprises one second activation cam (D10), described second activation cam (D10) be arranged on described second rotating shaft (D1) with described cross bar cam (D4) coaxial rotation, described second activation cam (D10) periphery apical grafting one second motion block (D11), described second motion block (D11) upward and downward is slidably connected to described lathe bed matrix (H1), be provided with the second motion block spring (D12) between described second motion block (D11) and described lathe bed matrix (H1) and press described second activation cam (D10) periphery to make described second motion block (D11), described second activation cam (D10) periphery has one second projection (D13) to make described second motion block (D11) apical grafting to the reciprocating motion producing a upward and downward time described second projection (D13), described second motion block (D11) apical grafting to be in cross bar cam (D4) described time described second projection (D13) in the rotary course under the 3rd and just to order about described feeding ring (11) and leaves described station (H6) top, described second motion block (D11) connects described arrangement of clutch (H3) by one second drive link (D15).

7. a kind of punch press according to claim 1, it is characterized in that: described drive unit (Q) comprises one with described lathe bed matrix (H1) left and right to the connecting rod be slidably connected (B1), 3rd rotating shaft (B2), be arranged at the connecting rod cam (B3) in described 3rd rotating shaft (B2), in order to order about the 3rd motor (B4) and the 3rd gearbox (B5) that described 3rd rotating shaft (B2) rotates, calutron (B6), single-chip microcomputer (B7), conducting strip (B8), the first circuit disconnects (B9), the left end apical grafting of described connecting rod (B1) is on the periphery of described connecting rod cam (B3), rod spring (B10) is provided with the periphery making described connecting rod (B1) press described connecting rod cam (B3) between described connecting rod (B1) and described lathe bed matrix (H1), the right-hand member of described connecting rod (B1) connects described feeding ring (11), described first block piece (12) and described second block piece (13) are slidably connected at the right-hand member of described connecting rod (B1), described calutron (B6) is arranged at the right-hand member of described connecting rod (D2) in order to drive described first block piece (12) and described second block piece (13), described connecting rod (B1) is provided with described conducting strip (B8), when described feeding ring (11) is in discharge position, described conducting strip (B8) is connected described first circuit and is disconnected (B9), described single-chip microcomputer (B7) identifies that described first circuit disconnects the on off operating mode of (B9) and judges whether described feeding ring (11) is in discharge position accordingly, described single-chip microcomputer (B7) controls described calutron (B6) according to judged result, described connecting rod cam (B3) rotates one week, described feeding ring (11), described first block piece (12), described second block piece (13) completes an operation stroke, detailed process is as follows, connecting rod cam (B3) described in process one exports radius to described connecting rod (B1) and becomes and order about greatly described feeding ring (11) and move to discharge position (R2) from feeding position (R1), single-chip microcomputer described in period (B7) controls described calutron (B6) makes described first block piece (12) and described second block piece (13) be in closed state, connecting rod cam (B3) described in process two exports to described connecting rod (B1) that radius is constant makes described feeding ring (11) rest on discharge position (R2), described single-chip microcomputer (B7) judges that controlling described calutron (B6) after described feeding ring (11) is in discharge position makes described first block piece (12) and described second block piece (13) be in state separately, described station (H6) is fallen into make workpiece to be added (A), connecting rod cam (B3) described in process three exports radius to described connecting rod (B1) and first diminishes to remain unchanged afterwards and order about described feeding ring (11) and reply and rest on feeding position (R1), corresponding after leaving discharge position described single-chip microcomputer (B7) control described calutron (B6) and make described first block piece (12) and described second block piece (13) recover the state closed, described flip flop equipment comprises second circuit and disconnects (B11), one vertical duct (B12), slide in described conduit (B12) permanent magnet (B13), described conduit (B12) all sides arrange coil device (B14), be provided with extension spring (B15) between described permanent magnet (B13) and described conduit (B12) to reset to make described permanent magnet (B13), described feeding ring (11) just leave described station (H6) top time conducting strip (B8) connect described second circuit disconnect (B11) and identify by described single-chip microcomputer (B7), described single-chip microcomputer (B7) controls described coil device (B14) work accordingly to make described permanent magnet (B13) complete a reciprocating motion, described permanent magnet (B13) connects described arrangement of clutch (H3) by one the 3rd drive link (B16).