CN103706713B - Punching die and hole-punching and switching mechanism thereof - Google Patents
Punching die and hole-punching and switching mechanism thereof Download PDFInfo
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- CN103706713B CN103706713B CN201210376410.7A CN201210376410A CN103706713B CN 103706713 B CN103706713 B CN 103706713B CN 201210376410 A CN201210376410 A CN 201210376410A CN 103706713 B CN103706713 B CN 103706713B
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Abstract
The invention discloses a kind of hole-punching and switching mechanism, this hole-punching and switching mechanism comprises actuator drive unit, actuator (3), piercing punch (4) and eccentric swage (5), the upper surface of this piercing punch is provided with lower cushion block portion (41), actuator drive unit can drive actuator to move back and forth, switch between punching closure state and not punching closure state to enable hole-punching and switching mechanism, when hole-punching and switching mechanism is in not punching closure state, between the lower surface in described upper cushion block portion and the upper surface in described lower cushion block portion, there is distance H, the stroke of eccentric swage spring is more than or equal to H.By technique scheme, hole-punching and switching mechanism structure of the present invention is optimized more, makes actuator and piercing punch can not produce resistance in handoff procedure.The operation so just making punching switch is more simply laborsaving, improves the production efficiency of diel.
Description
Technical field
The present invention relates to processing and manufacturing field, particularly, relate to a kind of diel and hole-punching and switching mechanism thereof.
Background technology
In diel, the shape that usually can run into stamping parts is identical, but the situation that position, hole is different; now usually adopt hole-punching and switching mechanism; to reach the needs that same set of mould realizes position, various parts hole, both met stamping parts exploitation needs, in turn saved development cost.
Currently used hole-punching and switching mechanism comprises upper bolster, cylinder, connector, actuator, piercing punch and eccentric swage, cylinder is fixed on upper bolster, cylinder is connected with actuator by connector, eccentric swage is connected with upper bolster by eccentric swage spring, and piercing punch is connected with eccentric swage by piercing punch spring.Described actuator is provided with wedge slide plate, described piercing punch is provided with the lower wedge slide plate corresponding with the upper wedge slide plate on actuator.When realizing punching and switching, by cylinder band follower link to drive actuator, the wedge slide plate on actuator converts horizontal movement to vertical motion by the relative motion between the inclined-plane of wedge slide plate.When punching, by the relative motion of air cylinder driven wedge slide plate, promote piercing punch and move downward to protrude from eccentric swage to carry out punching; When not punching, cylinder reverse drive wedge slide plate is to cancel the downward active force to piercing punch, and piercing punch overcomes self gravitation and moves upward, to make in piercing punch retraction eccentric swage under the effect of the restoring force of back-moving spring.
Said structure is in use existing problems, cylinder is when driving two wedge slide plate move toward one another, frictional force between two inclined-planes contacted is larger, need very large motive force could promote wedge motion in actual use, especially when the punch mechanism needing to switch is larger, if the thrust of cylinder is inadequate, punch mechanism cannot be released smoothly eccentric swage and carry out punching, the larger this phenomenon of punching is more obvious, has a strong impact on production efficiency.
Summary of the invention
The object of this invention is to provide a kind of hole-punching and switching mechanism for diel, this hole-punching and switching mechanism realizes punching by upper lower cushion block portion and switches.
To achieve these goals, the invention provides a kind of hole-punching and switching mechanism for diel, this diel comprises upper bolster and die shoe, this hole-punching and switching mechanism comprises actuator drive unit, actuator, piercing punch and eccentric swage, this actuator drive unit is fixed on this upper bolster, this eccentric swage is connected with this upper bolster by eccentric swage spring, this piercing punch is connected with described eccentric swage by piercing punch spring, wherein, the lower surface of this actuator is provided with cushion block portion, the upper surface of this piercing punch is provided with lower cushion block portion, described actuator drive unit can drive described actuator to move back and forth, switch between punching closure state and not punching closure state to enable described hole-punching and switching mechanism, when described hole-punching and switching mechanism is in not punching closure state, between the lower surface in described upper cushion block portion and the upper surface in described lower cushion block portion, there is distance H, the stroke of described eccentric swage spring is more than or equal to H.
Preferably, described punching closure state is described upper bolster and die shoe when closing, and the upper cushion block portion of described actuator relatively contacts up and down with the lower cushion block portion of described piercing punch;
Described not punching closure state is described upper bolster and die shoe when closing, and mutually staggers about the upper cushion block portion of described actuator and the lower cushion block portion of described piercing punch.
Preferably, the stroke of described eccentric swage spring equals H.
Preferably, the stroke of described piercing punch spring equals H.
Preferably, described upper cushion block portion and lower cushion block portion are spaced multiple.
Preferably, described actuator comprises the left actuator part and right actuator part that arrange along its length, described piercing punch comprises the left piercing punch part corresponding with described left actuator part and right actuator part and right piercing punch part, described left piercing punch part and right piercing punch part form as one and are slidably connected to described upper bolster in the both sides of going up along its length respectively by guide pin bushing, and described actuator drive unit is arranged between described left actuator part and right actuator part.
Preferably, the lower surface of described left actuator part and right actuator part is respectively arranged with described upper cushion block portion, the upper surface of described left piercing punch part and right piercing punch part is respectively arranged with described lower cushion block portion.
Preferably, described actuator drive unit is cylinder.
Preferably, the piston rod of described cylinder is connected to described actuator by connector.
The present invention also provides a kind of diel, and wherein, this diel comprises hole-punching and switching mechanism of the present invention.
By technique scheme, hole-punching and switching mechanism structure of the present invention is optimized more, makes actuator and piercing punch can not produce resistance in handoff procedure.The operation so just making punching switch is more simply laborsaving, improves the production efficiency of diel.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the schematic diagram of punching die according to the preferred embodiment of the present invention, and wherein hole-punching and switching mechanism is in not punching closure state
Fig. 2 is the schematic diagram of punching die according to the preferred embodiment of the present invention, and wherein hole-punching and switching mechanism is in punching closure state.
Description of reference numerals
1 cylinder 2 connector
Cushion block portion on 3 actuators 31
4 piercing punch 41 lower cushion block portions
5 eccentric swages
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality of use such as " upper and lower " refers to the direction of piercing punch motion, and " left and right " typically refers to the direction perpendicular to the piercing punch direction of motion.
The invention provides a kind of hole-punching and switching mechanism for diel, this diel comprises upper bolster and die shoe, this hole-punching and switching mechanism comprises actuator drive unit, actuator 3, piercing punch 4 and eccentric swage 5, this actuator drive unit is fixed on this upper bolster, this eccentric swage 5 is connected with this upper bolster by eccentric swage spring, this piercing punch 4 is connected with described eccentric swage 5 by piercing punch spring, wherein, the lower surface of this actuator 3 is provided with cushion block portion 31, the upper surface of this piercing punch 4 is provided with lower cushion block portion 41, described actuator drive unit can drive described actuator 3 to move back and forth, switch between punching closure state and not punching closure state to enable described hole-punching and switching mechanism, when described hole-punching and switching mechanism is in not punching closure state, between the lower surface in described upper cushion block portion 31 and the upper surface in described lower cushion block portion 41, there is distance H, the stroke of described eccentric swage spring is more than or equal to H.
Hole-punching and switching mechanism of the present invention is used for diel, and this diel comprises upper bolster and die shoe, and this hole-punching and switching mechanism is arranged between this upper bolster and die shoe.This hole-punching and switching mechanism comprise actuator 3, piercing punch 4, for driving actuator drive unit and the eccentric swage 5 of actuator 3.This actuator drive unit is fixed on upper bolster, this makes it possible to drive actuator 3 to move relative to upper bolster.Eccentric swage 5 is connected with upper bolster by eccentric swage spring, thus eccentric swage 5 can be moved relative to upper bolster.Piercing punch 4 is connected with eccentric swage 5 by piercing punch spring, and therefore piercing punch 4 can move relative to eccentric swage 5.And the lower surface of actuator 3 is provided with cushion block portion 31, correspondingly, the upper surface of piercing punch 4 is provided with lower cushion block portion 41.When actuator drive unit drives described actuator 3 to move back and forth, actuator 3 just can move relative to piercing punch 4.It should be noted that, the direction that actuator 3 moves is perpendicular to the pressing direction of piercing punch 4, and that is substantially parallel with upper bolster, piercing punch 4 carries out ramming motion substantially in vertical direction relative to upper bolster.
Preferably, described punching closure state is described upper bolster and die shoe when closing, and the upper cushion block portion 31 of described actuator 3 relatively contacts with the lower cushion block portion about 41 of described piercing punch 4;
Described not punching closure state is described upper bolster and die shoe when closing, and staggers mutually with the lower cushion block portion about 41 of described piercing punch 4 in the upper cushion block portion 31 of described actuator 3.
Because actuator 3 is relative to the motion of piercing punch 4, hole-punching and switching mechanism is switched between punching closure state and not punching closure state.Under punching closure state, upper bolster and die shoe close, now go up the lower surface in cushion block portion 31 and the upper surface joint in lower cushion block portion 41, upper cushion block portion 31 contacts accordingly with direction vertically, lower cushion block portion 41, namely actuator 3 and piercing punch 4 contact along the vertical direction, thus apply pressure to piercing punch 4, ejection piercing punch 4, it is made to protrude from eccentric swage 5 along pressing direction, to carry out punching; Under not punching closure state, upper bolster and die shoe close, now go up cushion block portion 31 and stagger mutually in lower cushion block portion about 41, that is go up cushion block portion 31 and lower cushion block portion 41 is separated from each other, and the lower surface in upper cushion block portion 31 does not contact with piercing punch 4, the upper surface in lower cushion block portion 41 does not also contact with drive plate 3, that is now drive plate 3 is separated completely with piercing punch 4, piercing punch 4 does not stress, and is therefore retracted within eccentric swage 5, does not carry out punching.
According to technical scheme of the present invention, have distance H between the lower surface in described upper cushion block portion 31 and the upper surface in described lower cushion block portion 41, the stroke of described eccentric swage spring is more than or equal to H.Such technical scheme is to make hole-punching and switching mechanism switch between not punching closure state and punching closure state, owing to utilizing the structure in upper lower cushion block portion in technical scheme of the present invention, can block at left and right directions and cannot by the conversion of motion on left and right directions be directly motion on above-below direction and piercing punch 4 is released outside eccentric swage 5.
Particularly, when never punching closure state switches to punching closure state, first mould will be opened, upper bolster is separated with die shoe, because eccentric swage spring is compressed under upper and lower die holder closure state, namely be in the upper extreme position of stroke, when upper and lower die holder is separated, under the effect of the restoring force of pressure device spring, eccentric swage 5 moves downward, also drive piercing punch 4 to move downward by piercing punch spring simultaneously, lower cushion block portion 41 also just moves downward relative to upper cushion block portion 31, distance H between the lower surface in upper cushion block portion 31 and the upper surface in lower cushion block portion 41 also just constantly reduces.Original length is returned back to (now due to the effect of eccentric swage self gravitation when eccentric swage spring is in equilbrium position, eccentric swage spring should be in the state be slightly stretched, describe in process herein and the factor of self gravitation is ignored), now eccentric swage 5 is in the lower limit position of stroke, because the stroke of eccentric swage spring is more than or equal to H, therefore when eccentric swage 5 is in the lower limit position of stroke, the lower surface in upper cushion block portion 31 and the upper surface in lower cushion block portion 41 are separated from each other in the vertical direction, that is go up between cushion block portion 31 and lower cushion block portion 41 and there is gap, now just can drive actuator 3 freely side-to-side movement by actuator drive unit, thus can move to and make the upper surface in the lower surface in cushion block portion 31 and lower cushion block portion 41 position opposing upper and lower, again when closed upper and lower die holder, because actuator 3 pushes away piercing punch 4 downwards, therefore the stroke (namely by the length compressed) of piercing punch spring is H.When punching closure state switches to not punching closure state, in like manner perform contrary process, repeat no more herein.
As can be seen here, by above technical scheme, the punching handoff procedure that very large external force just can realize hole-punching and switching mechanism need not be applied to actuator 3, pass through technique scheme, hole-punching and switching mechanism structure of the present invention is optimized more, makes actuator and piercing punch can not produce resistance in handoff procedure.The operation so just making punching switch is more simply laborsaving, improves the production efficiency of diel.
Preferably, the stroke of described eccentric swage spring equals H.
According to introduction above, it is to realize drive plate 3 in punching position and the switching not between punching position that the stroke of eccentric swage spring is more than or equal to H.And, when the stroke of eccentric swage spring equals H time, after never punching position is switched to punching position, again when closed upper and lower die holder, because the stroke of eccentric swage spring just equals H, the lower surface in above cushion block portion 31 just contact with the upper surface in lower cushion block portion 41, thus when avoiding closed upper and lower die holder, upper lower cushion block portion collides and sends the sound.
Preferably, the stroke of described piercing punch spring equals H.
From above, after never punching closure state is switched to punching closure state, namely the stroke of piercing punch spring under the effect in upper lower cushion block portion is H(is H by decrement).
Preferably, described upper cushion block portion 31 and lower cushion block portion 41 are spaced multiple.
Multiple upper cushion block portion 31 and lower cushion block portion 41 are arranged with mutually staggering, more connection so just can be formed between actuator 3 and piercing punch 4, and arrange under not punching closure state, can prevent actuator 3 from moving relative to piercing punch 4 due to maloperation etc. interlacedly
Preferably, described actuator 3 comprises the left actuator part and right actuator part that arrange along its length, described piercing punch 4 comprises the left piercing punch part corresponding with described left actuator part and right actuator part and right piercing punch part, described left piercing punch part and right piercing punch part form as one and are slidably connected to described upper bolster in the both sides of going up along its length respectively by guide pin bushing, and described actuator drive unit is arranged between described left actuator part and right actuator part.
Because actuator drive unit is fixed on upper bolster, in the preferred embodiment, actuator 3 comprises left actuator part and right actuator part, this makes it possible to actuator drive unit to be fixed between the actuator part of left and right.Correspondingly, piercing punch also comprises the left piercing punch part and right piercing punch part that form as one, piercing punch is connected on eccentric swage 5 by piercing punch spring on the one hand, conveniently move along punching direction on the other hand and need piercing punch to be slidably connected on upper bolster by guide pin bushing, in the preferred embodiment, piercing punch part in left and right is slidably connected to upper bolster respectively by guide pin bushing.
In addition, because actuator volume and weight is all comparatively large, therefore by actuator drive unit, this structure be arranged between the actuator part of left and right can make the stressed comparatively even of left and right actuator part, makes driving smooth and easy.And left and right piercing punch part respectively arrange a guide pin bushing can make guiding more accurate.
Preferably, the lower surface of described left actuator part and right actuator part is respectively arranged with described upper cushion block portion 31, the upper surface of described left piercing punch part and right piercing punch part is respectively arranged with described lower cushion block portion 41.
The corresponding respectively actuator part in the left and right sides and piercing punch part arrange lower cushion block portion 31 respectively, can make in punch process like this, left and right actuator part is the pressure of piercing punch part applying to the left and right equably, thus make punching more smooth and easy and even
Preferably, described actuator drive unit is cylinder 1.Preferably, the piston rod of described cylinder 1 is connected to described actuator 3 by connector 2.
In the preferred embodiment, this actuator drive unit is preferably cylinder 1, and is connected respectively with the left and right actuator parts of actuator 3 by the piston rod of cylinder, thus drives actuator 3.
In addition, the present invention also provides a kind of diel, and wherein, this diel comprises hole-punching and switching mechanism of the present invention.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (8)
1. the hole-punching and switching mechanism for diel, this diel comprises upper bolster and die shoe, this hole-punching and switching mechanism comprises actuator drive unit, actuator (3), piercing punch (4) and eccentric swage (5), this actuator drive unit is fixed on this upper bolster, this eccentric swage (5) is connected with this upper bolster by eccentric swage spring, this piercing punch (4) is connected with described eccentric swage (5) by piercing punch spring, it is characterized in that, the lower surface of this actuator (3) is provided with cushion block portion (31), the upper surface of this piercing punch (4) is provided with lower cushion block portion (41), described actuator drive unit can drive described actuator (3) to move back and forth, switch between punching closure state and not punching closure state to enable described hole-punching and switching mechanism, when described hole-punching and switching mechanism is in not punching closure state, between the lower surface of described upper cushion block portion (31) and the upper surface in described lower cushion block portion (41), there is distance H, the stroke of described eccentric swage spring is more than or equal to H, wherein,
Described punching closure state is described upper bolster and die shoe when closing, and the upper cushion block portion (31) of described actuator (3) relatively contacts up and down with the lower cushion block portion (41) of described piercing punch (4);
Described not punching closure state is described upper bolster and die shoe when closing, and the upper cushion block portion (31) of described actuator (3) is staggered mutually with the left and right, lower cushion block portion (41) of described piercing punch (4);
Described actuator (3) comprises the left actuator part and right actuator part that arrange along its length, described piercing punch (4) comprises the left piercing punch part corresponding with described left actuator part and right actuator part and right piercing punch part, described left piercing punch part and right piercing punch part form as one and are slidably connected to described upper bolster in the both sides of going up along its length respectively by guide pin bushing, and described actuator drive unit is arranged between described left actuator part and right actuator part.
2. hole-punching and switching mechanism according to claim 1, is characterized in that, the stroke of described eccentric swage spring equals H.
3. hole-punching and switching mechanism according to claim 1 and 2, is characterized in that, the stroke of described piercing punch spring equals H.
4. hole-punching and switching mechanism according to claim 1, is characterized in that, described upper cushion block portion (31) and lower cushion block portion (41) are for spaced multiple.
5. hole-punching and switching mechanism according to claim 1, it is characterized in that, the lower surface of described left actuator part and right actuator part is respectively arranged with described upper cushion block portion (31), the upper surface of described left piercing punch part and right piercing punch part is respectively arranged with described lower cushion block portion (41).
6. hole-punching and switching mechanism according to claim 1, is characterized in that, described actuator drive unit is cylinder (1).
7. hole-punching and switching mechanism according to claim 6, is characterized in that, the piston rod of described cylinder (1) is connected to described actuator (3) by connector (2).
8. a diel, is characterized in that, this diel comprises the hole-punching and switching mechanism in the claims 1-7 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210376410.7A CN103706713B (en) | 2012-09-29 | 2012-09-29 | Punching die and hole-punching and switching mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210376410.7A CN103706713B (en) | 2012-09-29 | 2012-09-29 | Punching die and hole-punching and switching mechanism thereof |
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| Publication Number | Publication Date |
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| CN103706713A CN103706713A (en) | 2014-04-09 |
| CN103706713B true CN103706713B (en) | 2016-03-16 |
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| CN201210376410.7A Active CN103706713B (en) | 2012-09-29 | 2012-09-29 | Punching die and hole-punching and switching mechanism thereof |
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| CN104690153B (en) * | 2015-02-06 | 2017-03-29 | 凌云工业股份有限公司 | For the mould of automobile door sill class product punching processing |
| CN104722638B (en) * | 2015-03-16 | 2016-11-23 | 安徽江淮汽车股份有限公司 | A kind of diel and abnormity punch switching device thereof |
| CN105798103B (en) * | 2016-05-09 | 2019-02-01 | 顺德工业(江苏)有限公司 | A kind of electromagnetic type interval clipping apparatus |
| CN105965780B (en) * | 2016-06-06 | 2018-04-10 | 芜湖恒信汽车内饰制造有限公司 | A kind of injection mold by servicing unit forming hole |
| CN106003573B (en) * | 2016-06-06 | 2018-08-03 | 芜湖恒信汽车内饰制造有限公司 | A kind of auxiliary device being molded into type hole |
| CN112247009A (en) * | 2020-09-26 | 2021-01-22 | 上海瀛美热交换器有限公司 | Heat exchange fin processing equipment |
| CN114082842A (en) * | 2021-10-18 | 2022-02-25 | 岚图汽车科技有限公司 | Shaping die for side wall oil filling hole |
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| JP2002219529A (en) * | 2001-01-23 | 2002-08-06 | Toyota Industries Corp | Press die |
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| JP2000071028A (en) * | 1998-08-28 | 2000-03-07 | Amada Co Ltd | Die and die exchange device |
| CN101327507A (en) * | 2008-07-24 | 2008-12-24 | 重庆长安汽车股份有限公司 | Hole-punching and switching mechanism of mould |
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