CN202877400U - Punching die and punching switching mechanism thereof - Google Patents
Punching die and punching switching mechanism thereof Download PDFInfo
- Publication number
- CN202877400U CN202877400U CN 201220511263 CN201220511263U CN202877400U CN 202877400 U CN202877400 U CN 202877400U CN 201220511263 CN201220511263 CN 201220511263 CN 201220511263 U CN201220511263 U CN 201220511263U CN 202877400 U CN202877400 U CN 202877400U
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- punching
- actuator
- cushion block
- piercing punch
- switching mechanism
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Abstract
The utility model discloses a punching switching mechanism which comprises a drive piece driving device, a drive piece (3), a punching terrace die (4) and a feed pressing machine (5). The upper surface of the punching terrace die is provided with a lower cushion block portion (41). The drive piece driving device is capable of driving the drive piece to move repeatedly so as to enable the punching switching mechanism to switch between a punching closed state and a non-punching closed state. When the punching switching mechanism is in the non-punching closed state, a distance H is arranged between the lower surface of an upper cushion block portion and the upper surface of the lower cushion block portion. The travel distance of a spring of the feed pressing machine is larger than or equal to H. Due to the technical scheme, the structure of the punching switching mechanism is optimized, and no resistance is produced in the switching process of the drive piece and the punching terrace die. The operation of the punching switching is enabled to be easy and labor-saving, and production efficiency of the punching die is improved.
Description
Technical field
The utility model relates to the processing and manufacturing field, particularly, relates 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 different situation in position, hole; usually adopt hole-punching and switching mechanism this moment; realize the needs of position, various parts hole to reach same set of mould, both satisfied stamping parts exploitation needs, saved again development cost.
Currently used hole-punching and switching mechanism comprises upper bolster, cylinder, connector, actuator, piercing punch and eccentric swage, cylinder is fixed on the upper bolster, cylinder is connected with actuator by connector, eccentric swage is connected with upper bolster by the eccentric swage spring, and piercing punch is connected with eccentric swage by the piercing punch spring.Be provided with the wedge slide plate on the described actuator, be provided with the lower wedge slide plate corresponding with the upper wedge slide plate on the actuator on the described piercing punch.When realizing that punching is switched, drive connector to drive actuator by cylinder, the wedge slide plate on the 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 under the effect of the restoring force of back-moving spring, so that in the piercing punch retraction eccentric swage.
Said structure is using existing problems, cylinder is when driving two wedge slide plate move toward one another, frictional force between contacted two inclined-planes is larger, need in actual use very large motive force could promote the wedge motion, especially when the punch mechanism that needs to switch is larger, if the thrust of cylinder not then punch mechanism can't be released eccentric swage smoothly and carry out punching, the larger this phenomenon of punching is just more obvious, has a strong impact on production efficiency.
The utility model content
The purpose of this utility model provides a kind of hole-punching and switching mechanism for diel, and this hole-punching and switching mechanism realizes that by upper lower cushion block section punching switches.
To achieve these goals, the utility model 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 the 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 the eccentric swage spring, this piercing punch is connected with described eccentric swage by the piercing punch spring, wherein, the lower surface of this actuator is provided with cushion block section, the upper surface of this piercing punch is provided with lower cushion block section, described actuator drive unit can drive described actuator and move back and forth, so that described hole-punching and switching mechanism can switch between punching closure state and not punching closure state, when described hole-punching and switching mechanism is in not punching closure state, have distance H between the upper surface of the lower surface of described upper cushion block section and described lower cushion block section, 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 closed, and the upper cushion block section of described actuator relatively contacts up and down with the lower cushion block section of described piercing punch;
When described not punching closure state is described upper bolster and die shoe closure, mutually stagger about the upper cushion block section of described actuator and the lower cushion block section 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 section and lower cushion block section are a plurality of of space.
Preferably, described actuator comprises left actuator part and the right actuator part that arranges along its length, described piercing punch comprises left piercing punch part and the right piercing punch part corresponding with described left actuator part and right actuator part, described left piercing punch part and right piercing punch partly form as one and are slidably connected to described upper bolster by guide pin bushing respectively in the both sides of going up along its length, and described actuator drive unit is arranged between described left actuator part and the right actuator part.
Preferably, be respectively arranged with described upper cushion block section on the lower surface of described left actuator part and right actuator part, be respectively arranged with described lower cushion block section on described left piercing punch part and the right piercing punch upper surface partly.
Preferably, described actuator drive unit is cylinder.
Preferably, the piston rod of described cylinder is connected in described actuator by connector.
The utility model also provides a kind of diel, and wherein, this diel comprises hole-punching and switching mechanism described in the utility model.
By technique scheme, hole-punching and switching mechanism structure of the present utility model is optimized more, so that actuator and piercing punch can not produce resistance in handoff procedure.So just so that the operation that punching is switched is more simply laborsaving, improved the production efficiency of diel.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the punching die of the utility model preferred embodiment, and wherein hole-punching and switching mechanism is in not punching closure state
Fig. 2 is the schematic diagram according to the punching die of the utility model preferred embodiment, and wherein hole-punching and switching mechanism is in the punching closure state.
Description of reference numerals
1 cylinder, 2 connectors
Cushion block section on 3 actuators 31
4 piercing punches, 41 lower cushion block sections
5 eccentric swages
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that do not do opposite explanation, the noun of locality of use refers to the direction of piercing punch motion such as " upper and lower ", and " left and right " typically refers to the direction perpendicular to the piercing punch direction of motion.
The utility model 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 the 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 the eccentric swage spring, this piercing punch 4 is connected with described eccentric swage 5 by the piercing punch spring, wherein, be provided with cushion block section 31 on the lower surface of this actuator 3, be provided with lower cushion block section 41 on the upper surface of this piercing punch 4, described actuator drive unit can drive described actuator 3 and move back and forth, so that described hole-punching and switching mechanism can switch between punching closure state and not punching closure state, when described hole-punching and switching mechanism is in not punching closure state, have distance H between the upper surface of the lower surface of described upper cushion block section 31 and described lower cushion block section 41, the stroke of described eccentric swage spring is more than or equal to H.
Hole-punching and switching mechanism of the present utility model 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 the die shoe.This hole-punching and switching mechanism comprises actuator 3, piercing punch 4, is used for driving actuator drive unit and the eccentric swage 5 of actuator 3.This actuator drive unit is fixed on the upper bolster, so just can drive actuator 3 and move with respect to upper bolster.Eccentric swage 5 is connected with upper bolster by the eccentric swage spring, thereby eccentric swage 5 can be moved with respect to upper bolster.Piercing punch 4 is connected with eccentric swage 5 by the piercing punch spring, so piercing punch 4 can be with respect to eccentric swage 5 motions.And the lower surface of actuator 3 is provided with cushion block section 31, correspondingly, and the upper surface of piercing punch 4 is provided with lower cushion block section 41.When the actuator drive unit drove described actuator 3 and moves back and forth, actuator 3 just can be with respect to piercing punch 4 motions.Need to prove, the direction of actuator 3 motion is perpendicular to the pressing direction of piercing punch 4, that is to say substantially parallelly with upper bolster, and piercing punch 4 carries out ramming motion substantially in vertical direction with respect to upper bolster.
Preferably, described punching closure state is described upper bolster and die shoe when closed, and the upper cushion block section 31 of described actuator 3 relatively contacts up and down with the lower cushion block section 41 of described piercing punch 4;
When described not punching closure state was described upper bolster and die shoe closure, the upper cushion block section 31 of described actuator 3 and the lower cushion block section about 41 of described piercing punch 4 staggered mutually.
Because actuator 3 is with respect to the motion of piercing punch 4, so that hole-punching and switching mechanism switches between punching closure state and not punching closure state.Under the punching closure state, upper bolster and die shoe are closed, the upper surface joint of the lower surface of cushion block section 31 and lower cushion block section 41 on this moment, upper cushion block section 31 contacts along directions up and down accordingly with lower cushion block section 41, namely actuator 3 and piercing punch 4 contact along the vertical direction, thereby piercing punch 4 is exerted pressure, ejection piercing punch 4, make it protrude from eccentric swage 5 along pressing direction, to carry out punching; Under not punching closure state, upper bolster and die shoe are closed, cushion block section 31 and lower cushion block section about 41 stagger mutually on this moment, that is to say that cushion block section 31 and lower cushion block section 41 are separated from each other, and upward the lower surface of cushion block section 31 does not contact with piercing punch 4, the upper surface of lower cushion block section 41 does not contact with drive plate 3 yet, that is to say that this moment, drive plate 3 separated fully with piercing punch 4, piercing punch 4 does not stress, and therefore is retracted within the eccentric swage 5, does not carry out punching.
According to the technical solution of the utility model, have distance H between the upper surface of the lower surface of described upper cushion block section 31 and described lower cushion block section 41, the stroke of described eccentric swage spring is more than or equal to H.Such technical scheme is for hole-punching and switching mechanism is switched between not punching closure state and punching closure state, owing to utilizing the structure of upper lower cushion block section in the technical solution of the utility model, can block and can't directly be the motion on the above-below direction and piercing punch 4 released arrive outside the eccentric swage 5 with the conversion of motion on the left and right directions at left and right directions.
Particularly, when never the punching closure state switches to the punching closure state, at first to open mould, upper bolster is separated with die shoe, because the eccentric swage spring is being compressed under the die holder closure state up and down, namely be in the limes superiors position of stroke, when die holder separates up and down, under the effect of the restoring force of pressure device spring, eccentric swage 5 moves downward, simultaneously also drive piercing punch 4 by the piercing punch spring and move downward, lower cushion block section 41 also just moves downward with respect to upper cushion block section 31, and the distance H between the lower surface of upper cushion block section 31 and the upper surface of lower cushion block section 41 also just constantly reduces.(this moment is because the effect of eccentric swage self gravitation to return back to original length when the eccentric swage spring is in the equilbrium position, the eccentric swage spring should be in the state that slightly is stretched, describe in the process herein the factor of self gravitation is ignored), this moment, eccentric swage 5 was in the limit inferior 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 limit inferior position of stroke, the lower surface of upper cushion block section 31 and the upper surface of lower cushion block section 41 are separated from each other at above-below direction, that is to say between cushion block section 31 and the lower cushion block section 41 and have the gap, just can drive freely side-to-side movement of actuator 3 by the actuator drive unit this moment, thereby the upper surface that can move to the lower surface that makes cushion block section 31 and lower cushion block section 41 is relative position up and down, again when closed up and down die holder, because actuator 3 pushes away piercing punch 4 downwards, so the stroke of piercing punch spring (being compressed length) is H.When the punching closure state switches to not punching closure state, in like manner carry out opposite process, repeat no more herein.
This shows, by above technical scheme, needn't apply the punching handoff procedure that very large external force just can realize hole-punching and switching mechanism to actuator 3, pass through technique scheme, hole-punching and switching mechanism structure of the present utility model is optimized more, so that actuator and piercing punch can not produce resistance in handoff procedure.So just so that the operation that punching is switched is more simply laborsaving, improved the production efficiency of diel.
Preferably, the stroke of described eccentric swage spring equals H.
According to introduction above, the stroke of eccentric swage spring is in order to realize that drive plate 3 is in punching position and the not switching between the punching position more than or equal to H.And, when the stroke of eccentric swage spring equals H, after never punching position switches to punching position, again when closed up and down die holder, because the stroke of eccentric swage spring just equals H, the lower surface of above cushion block section 31 just contact with the upper surface of lower cushion block section 41, thereby upper lower cushion block section bumps and sends the sound when having avoided closed up and down die holder.
Preferably, the stroke of described piercing punch spring equals H.
By above as can be known, after never the punching closure state switched to the punching closure state, the stroke of piercing punch spring under the effect of upper lower cushion block section was that H(is that compressed amount is H).
Preferably, described upper cushion block section 31 and lower cushion block section 41 are a plurality of of space.
A plurality of upper cushion block sections 31 and lower cushion block section 41 arrange mutually with staggering, so just can between actuator 3 and piercing punch 4, form more the connection, and under not punching closure state, arrange, can prevent actuator 3 because maloperation etc. are moved with respect to piercing punch 4. interlacedly
Preferably, described actuator 3 comprises left actuator part and the right actuator part that arranges along its length, described piercing punch 4 comprises left piercing punch part and the right piercing punch part corresponding with described left actuator part and right actuator part, described left piercing punch part and right piercing punch partly form as one and are slidably connected to described upper bolster by guide pin bushing respectively in the both sides of going up along its length, and described actuator drive unit is arranged between described left actuator part and the right actuator part.
Because the actuator drive unit is fixed on the upper bolster, in this preferred embodiment, actuator 3 comprises left actuator part and right actuator part, so just the actuator drive unit can be fixed between the actuator part of the left and right sides.Correspondingly, piercing punch also comprises left piercing punch part and the right piercing punch part that forms as one, piercing punch is connected on the eccentric swage 5 by the piercing punch spring on the one hand, move and piercing punch need to be slidably connected on the upper bolster by guide pin bushing along the punching direction for convenient on the other hand, in this preferred embodiment, piercing punch part in the left and right sides is slidably connected to upper bolster by guide pin bushing respectively.
In addition, because the actuator volume and weight is all larger, this structure that therefore the actuator drive unit is arranged between the actuator part of the left and right sides can make the stressed comparatively even of left and right sides actuator part, so that drive smooth and easy.And the left and right sides piercing punch part guide pin bushing respectively is set can be so that guiding be more accurate.
Preferably, be respectively arranged with described upper cushion block section 31 on the lower surface of described left actuator part and right actuator part, be respectively arranged with described lower cushion block section 41 on described left piercing punch part and the right piercing punch upper surface partly.
Corresponding actuator part and piercing punch arrange respectively lower cushion block section 31 on partly respectively in the left and right sides, like this can be so that in punch process, left and right sides actuator part equably to the left and right piercing punch partly exert pressure, thereby so that punching is more smooth and easy and even
Preferably, described actuator drive unit is cylinder 1.Preferably, the piston rod of described cylinder 1 is connected in described actuator 3 by connector 2.
In this preferred embodiment, this actuator drive unit is preferably cylinder 1, and is connected respectively with the left and right sides actuator parts of actuator 3 by the piston rod of cylinder, thereby drives actuator 3.
In addition, the utility model also provides a kind of diel, and wherein, this diel comprises hole-punching and switching mechanism described in the utility model.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove in addition, each concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the no longer separately explanation of various possible combinations.
In addition, also can carry out any combination between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. hole-punching and switching mechanism that is used for diel, this diel comprises upper bolster and die shoe, this hole-punching and switching mechanism comprises the 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 the eccentric swage spring, this piercing punch (4) is connected with described eccentric swage (5) by the piercing punch spring, it is characterized in that, the lower surface of this actuator (3) is provided with cushion block section (31), the upper surface of this piercing punch (4) is provided with lower cushion block section (41), described actuator drive unit can drive described actuator (3) and move back and forth, so that described hole-punching and switching mechanism can switch between punching closure state and not punching closure state, when described hole-punching and switching mechanism is in not punching closure state, have distance H between the upper surface of the lower surface of described upper cushion block section (31) and described lower cushion block section (41), the stroke of described eccentric swage spring is more than or equal to H.
2. hole-punching and switching mechanism according to claim 1 is characterized in that,
When described punching closure state was described upper bolster and die shoe closure, the upper cushion block section (31) of described actuator (3) relatively contacted up and down with the lower cushion block section (41) of described piercing punch (4);
When described not punching closure state is described upper bolster and die shoe closure, mutually stagger about the upper cushion block section (31) of described actuator (3) and the lower cushion block section (41) of described piercing punch (4).
3. hole-punching and switching mechanism according to claim 2 is characterized in that, the stroke of described eccentric swage spring equals H.
4. according to claim 2 or 3 described hole-punching and switching mechanisms, it is characterized in that, the stroke of described piercing punch spring equals H.
5. hole-punching and switching mechanism according to claim 2 is characterized in that, described upper cushion block section (31) and lower cushion block section (41) are a plurality of of space.
6. hole-punching and switching mechanism according to claim 2, it is characterized in that, described actuator (3) comprises left actuator part and the right actuator part that arranges along its length, described piercing punch (4) comprises left piercing punch part and the right piercing punch part corresponding with described left actuator part and right actuator part, described left piercing punch part and right piercing punch partly form as one and are slidably connected to described upper bolster by guide pin bushing respectively in the both sides of going up along its length, and described actuator drive unit is arranged between described left actuator part and the right actuator part.
7. hole-punching and switching mechanism according to claim 6, it is characterized in that, be respectively arranged with described upper cushion block section (31) on the lower surface of described left actuator part and right actuator part, be respectively arranged with described lower cushion block section (41) on the upper surface of described left piercing punch part and right piercing punch part.
8. hole-punching and switching mechanism according to claim 1 and 2 is characterized in that, described actuator drive unit is cylinder (1).
9. hole-punching and switching mechanism according to claim 8 is characterized in that, the piston rod of described cylinder (1) is connected in described actuator (3) by connector (2).
10. a diel is characterized in that, this diel comprises the described hole-punching and switching mechanism of any one among the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511263 CN202877400U (en) | 2012-09-29 | 2012-09-29 | Punching die and punching switching mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511263 CN202877400U (en) | 2012-09-29 | 2012-09-29 | Punching die and punching switching mechanism thereof |
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| Publication Number | Publication Date |
|---|---|
| CN202877400U true CN202877400U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220511263 Withdrawn - After Issue CN202877400U (en) | 2012-09-29 | 2012-09-29 | Punching die and punching switching mechanism thereof |
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| Country | Link |
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| CN (1) | CN202877400U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316999A (en) * | 2013-07-02 | 2013-09-25 | 无锡微研有限公司 | Inclined wedge structure of louver die |
| CN103706713A (en) * | 2012-09-29 | 2014-04-09 | 北汽福田汽车股份有限公司 | Punching die and punching switching mechanism thereof |
| CN103706704A (en) * | 2013-12-30 | 2014-04-09 | 安徽江淮汽车股份有限公司 | Punching switching mechanism in die |
| CN106955928A (en) * | 2017-03-27 | 2017-07-18 | 安徽江淮汽车集团股份有限公司 | A kind of blanking die |
| CN107030184A (en) * | 2017-03-17 | 2017-08-11 | 宁国昕远金属制品有限公司 | A kind of high-precision punching die |
-
2012
- 2012-09-29 CN CN 201220511263 patent/CN202877400U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706713A (en) * | 2012-09-29 | 2014-04-09 | 北汽福田汽车股份有限公司 | Punching die and punching switching mechanism thereof |
| CN103706713B (en) * | 2012-09-29 | 2016-03-16 | 北汽福田汽车股份有限公司 | Punching die and hole-punching and switching mechanism thereof |
| CN103316999A (en) * | 2013-07-02 | 2013-09-25 | 无锡微研有限公司 | Inclined wedge structure of louver die |
| CN103706704A (en) * | 2013-12-30 | 2014-04-09 | 安徽江淮汽车股份有限公司 | Punching switching mechanism in die |
| CN107030184A (en) * | 2017-03-17 | 2017-08-11 | 宁国昕远金属制品有限公司 | A kind of high-precision punching die |
| CN106955928A (en) * | 2017-03-27 | 2017-07-18 | 安徽江淮汽车集团股份有限公司 | A kind of blanking die |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130417 Effective date of abandoning: 20160316 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130417 Effective date of abandoning: 20160316 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |