CN205128750U - Punch press and frog eye die thereof - Google Patents
Punch press and frog eye die thereof Download PDFInfo
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- CN205128750U CN205128750U CN201520986878.7U CN201520986878U CN205128750U CN 205128750 U CN205128750 U CN 205128750U CN 201520986878 U CN201520986878 U CN 201520986878U CN 205128750 U CN205128750 U CN 205128750U
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Abstract
The utility model discloses a frog eye die, including wedge -form removal die, fixed die, be used for pressing moving and treat that the stamping workpiece makes the mounting that its set of pressure flitch and the horizontal location outside moving the die treated the stamping workpiece, move the inclined wall slidable ground and fixed beveled laminate of die, the first side wall that moves perpendicular vertical wall relative with the inclined wall on the die and fixed die sets up relatively, founds the lower die cavity that is equipped with of on two vertical edges of wall symmetry, and lower die cavity is used for coordinating formation frog ocular form chamber through moving moving down of die relatively fixed inclined plane with the first side wall, it is equipped with the elasticity that is used for the fixed die of separation and moves the die piece that restores to the throne on the die to move. Above -mentioned frog eye die is after the punching press of accomplishing frog eye, and the frog eye of symmetry can break away from the lower die cavity who removes on the die simultaneously, has reduced the drawing of patterns degree of difficulty of work piece after the shaping of frog eye. The utility model also discloses an including the punch press of above -mentioned frog eye die, this punch press punching press drawing of patterns of is simple and convenient, and the ram efficiency is high.
Description
Technical field
The utility model relates to mould manufacturing field, particularly a kind of frogeye punch die.In addition, the utility model also relate to a kind of punch press comprising above-mentioned frogeye punch die.
Background technology
In the curved workpiece of U, usually can arrange symmetrical frogeye on two straight walls of the curved workpiece of U, symmetrical frogeye can play position-limiting action in the product made.
Process in the typical mould of one of symmetrical frogeye, frogeye die is set to cantilever structure, cantilever arranges concave die cavity, and two frogeyes adopting the processing of substep impact style symmetrical.First curved for U workpiece is sleeved on frogeye die, by position alignment matrix cavity to be punched on first of curved for U workpiece the straight wall, punching press first frogeye, then takes off the curved workpiece of U, again position to be punched on second of curved for U workpiece the straight wall is aimed at matrix cavity, complete the punching press of the second frogeye.
Above-mentioned frogeye is after punching press completes, frogeye shaping on the curved workpiece of U can be embedded in matrix cavity, the demoulding is comparatively inconvenient, therefore, mold thickness arranges get over Bao Yuehao, to eliminate the constraint of frogeye die to the curved workpiece of U, ensure that the curved workpiece of U has enough floating spaces at the pressing direction of frogeye, thus can the demoulding smoothly.But the reduction of mold thickness can cause the decay of mould strength, thus reduce the mold use life-span.In addition, when using above-mentioned mould, the mode of substep punching press need be adopted to process, add the input amount of mould, lathe etc., thus add cost of stamping, be unfavorable for batch production.
Therefore, how reducing the demoulding difficulty of workpiece after frogeye is shaping, is the current technical issues that need to address of those skilled in the art.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of frogeye punch die, is convenient to workpiece in the shaping rear demoulding of frogeye.Another object of the present utility model is to provide a kind of punch press comprising above-mentioned frogeye punch die, and in punching course, stripping result is good, and punch process efficiency is high.
For achieving the above object, the utility model provides following technical scheme:
A kind of frogeye punch die, comprising the mobile die of wedge shape, fixing die, making it be enclosed within the fixture of described in holding pad outside described mobile die and horizontal location to be punched for pressing to be punched; The inclined wall of described mobile die is fitted with constant inclined surface slidably, the first side wall of vertical wall relative with described inclined wall on described mobile die and described fixing die is oppositely arranged, symmetrically on two vertical edges of described wall be provided with concave die cavity, described concave die cavity is used for being coordinated with described the first side wall by relatively described the moving down of constant inclined surface of described mobile die forming frogeye die cavity; Described mobile die is provided with the elastic reset part for separating of described fixing die and described mobile die.
Preferably, described holding pad is connected to upper bolster by elastic component, described upper bolster is provided with wedge on drift that lower end is inclined-plane, described drift is provided with below wedge and is pressed down by wedge on described drift and to wedge under the drift of described frogeye die cavity movement, under described drift, wedge is provided with described drift; Under described drift, wedge is provided with the extension spring resetted for wedge under the described drift after making frogeye shaping, described elastic component compression under wedge and described drift declivity wedge contact state on described drift.
Preferably, described elastic component is nitrogen spring.
Preferably, described fixture comprises ejector for supporting described to be punched and head part spring, and described ejector is connected by the die shoe that described head part spring is corresponding with described upper bolster.
Preferably, under described head part spring free state, the upper side wall of described ejector is higher than the upper side wall of described mobile die.
Preferably, described die shoe is provided with wedge, described constant inclined surface comprises the inclined plane on described wedge, and described inclined plane is provided with groove, and described inclined wall is provided with the convex key that can slide in described groove.
Preferably, described mobile die is positioned at the block be also provided with on the downside of described convex key for limiting described mobile die upward position, described groove is provided with the mating groove matched with described block.
Preferably, two opposite flanks of described wedge are relative to vertical axisymmetric described inclined plane, and each described inclined plane correspondence is provided with described mobile die.
Preferably, on described fixing die, the relative wall of described the first side wall is the described constant inclined surface for coordinating with die mobile described in another.
A kind of punch press, comprise frogeye punch die, described frogeye punch die is the frogeye punch die described in above-mentioned any one.
The frogeye punch die that the utility model provides, comprises holding pad, fixture, mobile die, fixing die and elastic reset part.Concave die cavity is symmetricly set on two vertical edges of the wall of mobile die, and that is, above-mentioned each concave die cavity is all incomplete die cavities, and needing during punching press frogeye matches with the first side wall fixing die forms frogeye die cavity.
When holding pad does not press down, mobile die and fixing die are separated, elastic reset part is in original position, when carrying out punching press, is fixed in the horizontal direction for be punched by fixture, holding pad is descending and press to be punched downwards, to be punched presses mobile die, and mobile die is descending along constant inclined surface, namely moves die along constant inclined surface tilt slide, glide direction is downwards and is close to fixing die, until wall and the first side wall form frogeye die cavity; Then, with to be punched of punch; After completing the processing of symmetrical frogeye, holding pad is up, to be punched, mobile die is no longer subject to the downward pressure of holding pad, mobile die is up along constant inclined surface under the effect of elastic reset part, namely move die upwards and to the direction away from fixing die to slide and reset, simultaneously to be punched up under the drive of mobile die.
Visible, in the process that above-mentioned frogeye punch die is up after the punching press completing frogeye, mobile die is relative to vertical direction tilt slide, and two parts of frogeye die cavity are separated, and to be punched horizontal direction fixture is fixed, so to be punched can only be moved at vertical direction.Therefore, to be punched exists relative displacement in the horizontal direction with mobile die, and the frogeye that can realize the symmetry on to be punched in up process departs from the concave die cavity on mobile die simultaneously, reduces the demoulding difficulty of workpiece after frogeye is shaping.
A kind of punch press comprising above-mentioned frogeye punch die that the utility model provides, in punching course, stripping result is good, and punch process efficiency is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 provides by the utility model the structural representation of the specific embodiment of frogeye punch die;
The front view that Fig. 2 is the utility model when providing that in the specific embodiment of frogeye punch die, holding pad does not press down;
The left view that Fig. 3 is the utility model when providing that in the specific embodiment of frogeye punch die, holding pad does not press down;
Fig. 4 provide by the utility model frogeye in the specific embodiment of frogeye punch die shaping after front view;
Fig. 5 provide by the utility model frogeye in the specific embodiment of frogeye punch die shaping after left view;
The left view that Fig. 6 is the utility model when providing holding pad in the specific embodiment of frogeye punch die to contact to be punched;
The left view that Fig. 7 is the utility model when providing to be punched the mobile die of contact in the specific embodiment of frogeye punch die;
The left view that Fig. 8 is the utility model when providing to be punched of punch in the specific embodiment of frogeye punch die;
Fig. 9 provides by the utility model the structural representation of wedge in the specific embodiment of frogeye punch die;
Figure 10 provides by the utility model the structural representation of mobile die in the specific embodiment of frogeye punch die.
In Fig. 1 to Figure 10,1 is holding pad, and 2 is to be punched, 3 is ejector, and 4 is head part spring, and 5 is die shoe, 6 is fixing die, and 7 is elastic reset part, and 8 is mobile die, 9 is wedge, and 10 is upper bolster, and 11 is elastic component, 12 is wedge under drift, and 13 is drift, and 14 is drift fixed block, 15 is extension spring, and 16 is fixed part, and 17 is wedge on drift.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Core of the present utility model is to provide a kind of frogeye punch die, is convenient to workpiece in the shaping rear demoulding of frogeye.Another core of the present utility model is to provide a kind of punch press comprising above-mentioned frogeye punch die, and in punching course, stripping result is good, and punch process efficiency is high.
Refer to Fig. 1 to Figure 10, shown in Fig. 1 to Figure 10, be respectively the structural representation of parts in frogeye punch die provided by the utility model or frogeye punch die, and front view in the use procedure of frogeye punch die or left view.
The utility model provide in a kind of detailed description of the invention of frogeye punch die, the constant inclined surface comprising holding pad 1, fixture, mobile die 8, fixing die 6, elastic reset part 7 and slide for mobile die 8.
Holding pad 1, for pressing to be punched 2, makes to be punched 2 to be enclosed within outside mobile die 8, and fixture is used for treating stamping parts 2 in the horizontal direction and positions.
The mobile die 8 of wedge shape can coordinate with fixing die and forms frogeye die cavity.Wherein, the mobile die 8 of wedge shape comprises inclined wall, this inclined wall and constant inclined surface are affixed merging and can slide on constant inclined surface, wall relative with inclined wall on mobile die 8 is vertical wall, after vertical wall can ensure that the frogeye on to be punched 2 is shaping, to be punched 2 in the vertical directions have mobility.Fixing die 6 is arranged at the side of wall, the first side wall on fixing die 6 and wall are oppositely arranged, two vertical edges of wall are symmetrically arranged with concave die cavity relative to vertical axes, that is, concave die cavity is arranged on the rib between the wall of mobile die 8 and adjacent wall, then concave die cavity is the die cavity of opening, can form frogeye die cavity when the first side wall matches with wall.Mobile die 8 is connected with for separating of the elastic reset part 7 of fixing die 6 with mobile die 8.
Should be understood that, frogeye punch die in the present embodiment provides split type frogeye die cavity, wherein, mobile die 8 provides the concave die cavity of the opening of the groove type in frogeye die cavity, fixing die 6 provides the flat wall face portion of frogeye die cavity, mobile die 8 and fixing die 6 with the use of time forms frogeye die cavity, that is, the frogeye die cavity herein is only present in mobile die 8 and matches with fixing die 6 in wall matches with the first side wall in other words state.Under mobile die 8 is in the state descending relative to constant inclined surface, mobile die 8 also finally makes wall contact with the first side wall and coordinate near fixing die 6 and forms frogeye die cavity.
It should be noted that, the symmetrical frogeye of the curved workpiece punching press of U is illustrated to the use procedure of frogeye punch die using the curved workpiece of U as to be punched 2 herein, wherein, the curved workpiece of U comprises two sidewalls be oppositely arranged and the midfeather for connecting two side, frogeye occurs in pairs, and often pair of frogeye is symmetricly set on the two side of the curved workpiece of U.Certainly, when specifically using, the shape of to be punched 2 is not as limit.
When using the frogeye punch die of the present embodiment, to be punched 2 Open Side Down is arranged at the upside of mobile die 8 and fixing die 6, and holding pad 1 is placed in the upside of to be punched 2, fixture by be punched 2 levels to fixing.When holding pad 1 is descending, holding pad 1 press to be punched 2 descending, to be punched the 2 mobile die 8 of contact also promotes mobile die 8, mobile die 8 is descending along the constant inclined surface fitted with inclined wall, and that is, mobile die 8 downwards and be close to fixing die 6 and slide, until form frogeye die cavity, then, with drift 13 punching press to be punched 2, punching press forms symmetrical frogeye, after punching press completes, drift 13 departs from the frogeye on to be punched 2, holding pad 1 is up, to be punched 2 with mobile die 8 on the upside of be no longer subject to the downforce of holding pad 1, the elastic reset part 7 that mobile die 8 connects drives mobile die 8 to carry out opposite direction reseting movement, namely, the inclined wall of mobile die 8 is up and slide to the direction away from fixing die 6 along constant inclined surface, then move die 8 relative to vertical direction tilt slide, simultaneously, to be punched 2 on the upside of mobile die 8 up under the thrust of mobile die 8, because to be punched 2 horizontal direction fixtures are fixed, can only move at vertical direction for be punched 2.Visible, when up, to be punched 2 exists relative displacement in the horizontal direction with mobile die 8, then the frogeye that can realize the symmetry on to be punched 2 in up process departs from the concave die cavity of mobile die 8 upper shed simultaneously, thus, the demoulding difficulty of workpiece after frogeye is shaping is reduced.
Should be understood that, the horizontal location that above-mentioned fixing piece treats stamping parts 2 can be completed separately by fixture, as arranged the groove for locating on fixture, also fixture can be carried out one of parts of horizontal location as treating stamping parts 2, matched with miscellaneous part by fixture the horizontal location of to be punched 2.
Concave die cavity symmetrical on two edges being arranged at wall in above-described embodiment also can be communicated with, and forms the groove of a horizontal direction.The set-up mode being communicated with symmetrical concave die cavity can make mobile die 8 be applicable to the frogeye die of multiple depth requirements, improves the applicability of mobile die 8.Certainly, in frogeye punch die, the quantity of concave die cavity and setting position are not limited to each mode above-mentioned.
In above-mentioned detailed description of the invention, can drift 13 be set in several ways, in a kind of preferred mode, drift 13 to be fixed under drift on wedge 12, under drift, wedge 12 can drive drift 13 to move towards frogeye die cavity, that is, under drift, wedge 12 can move towards the position at concave die cavity place when coordinating with the first side wall.Particularly, drift 13 can be fixed on wedge 12 under drift by drift fixed block 14.Because concave die cavity is symmetrical arranged on wall, then corresponding setting can wedge 12 under the drift of movement in opposite directions respectively for symmetrical frogeye die cavity, makes each frogeye die cavity carry out punching press to there being drift 13.
For the movement of wedge under drift 12, in a kind of preferred set-up mode, wedge 17 on the drift promoting wedge 12 movement under drift can be set in the upside of wedge under drift 12, on drift, wedge 17 is arranged at upper bolster 10, holding pad 1 is connected to upper bolster 10 by elastic component 11, usually, slider of punch is installed on the upside of upper bolster 10.Alternatively, can be provided with wedge under drift 12 upper end the inclined-plane matched in wedge 17 lower end on drift, or the one on drift under wedge 17 lower end and drift in wedge 12 upper end arranges inclined-plane, by the setting on inclined-plane, the vertical motion of wedge on drift 17 can be passed to wedge 12 under drift, under making drift, wedge 12 carries out horizontal movement, and under making to promote drift when wedge 17 is descending on drift, wedge 12 moves towards frogeye die cavity.In addition, under drift, wedge 12 is connected with extension spring 15, the reset after frogeye is shaping for wedge under drift 12 and drift 13.Particularly, fixed part 16 can be fixedly installed on die shoe 5, fixed part 16 is fixed in one end of extension spring 15, wedge 12 under other end connection drift.On drift, wedge 17 is with under wedge 12 contact condition under drift, elastic component 11 compression.
When frogeye punch die in the present embodiment specifically carries out punching press, after mobile die 8 to press and forms frogeye die cavity by holding pad 1, slider of punch drives upper bolster 10 to continue descending, because mobile die 8 can not continue descending with holding pad 1 again, elastic component 11 compressive deformation on the upside of holding pad 1, meanwhile, on drift wedge 17 along with slider of punch continue descending, until to contact and wedge 12 moves towards frogeye die cavity under promoting drift, drift 13 punching press to be punched 2 forms frogeye; After frogeye is shaping, on drift, wedge 17 is up, simultaneously, under drift, wedge 12 and drift 13 reset under the effect of extension spring 15, drift 13 with to be punched 2 on shaping frogeye be separated, the elastic component 11 on the upside of holding pad 1 resets along with the up of slider of punch, after elastic component 11 resets, holding pad 1 is up, and mobile die 8 resets, and frogeye and concave die cavity are separated.Visible, on drift, wedge 17 achieves the automation of punching course with the setting of wedge 12 under drift, and the forming process of frogeye die cavity and the punching course of frogeye are carried out in order.
Further, the above-mentioned elastic component 11 be arranged on the upside of holding pad 1 can select nitrogen spring.The volume of nitrogen spring is little, elasticity is large, stable working, long service life and have flex capability, thus can simplify manufacturing and designing of mould, facilitate installation and the adjustment of mould.
Usually, on the downside of upper bolster 10, correspondence is provided with die shoe 5, upper bolster 10 and die shoe 5 are respectively used to be connected all parts in frogeye punch die, upper bolster 10 and all parts composition patrix be arranged on upper bolster 10, die shoe 5 and all parts composition counterdie be arranged on die shoe 5, patrix is installed on the slider of punch of punch press, and counterdie is arranged on the workbench of punch press, is completed the punch process of to be punched 2 by punch press.
Fixture in the above-described embodiments, specifically can comprise and be arranged at ejector 3 on die shoe 5 and head part spring 4, head part spring 4 is arranged between ejector 3 and die shoe 5.Ejector 3 can also play the effect of discharging simultaneously.During use, to be punched 2 is positioned over the upside of ejector 3, to be punched 2 can clamp by holding pad 1 and ejector 3.Particularly, when head part spring 4 is in free state, the upper side wall of ejector 3 can be set to the upper side wall higher than mobile die 8, thus ensured that to be punched 2 after punching press departs from fixing die 6 and mobile die 8 completely, make to be punched 2 can transmit discharging along the direction vertical with pressing direction in the horizontal plane, be conducive to the cored transmission realizing to be punched 2, improve the efficiency of discharging.
In each embodiment above-mentioned for making the constant inclined surface of mobile die 8 tilt slide can realize by arranging wedge 9.Particularly, constant inclined surface can comprise the inclined plane of wedge 9, and inclined plane can arrange groove, that is, groove is with respect to the horizontal plane tilt, and the inclined wall of mobile die 8 arranges the convex key with fit depressions, convex key can be slided in a groove.Above-mentioned set-up mode is simple, and groove and convex key with the use of the Stability and dependability that can improve mobile die 8 tilt slide.Certainly, the setting of constant inclined surface is not as limit.
Further, can also arrange block on the downside of the convex key of above-mentioned mobile die 8, groove arranges the mating groove matched with block, that is, convex key and block thereof form dove-tail form structure, may be used for limiting mobile die 8 upward position.When frogeye die cavity is formed, due to block along with mobile die 8 is in downstream state, block and mating groove are staggered, and when mobile die 8 is up, convex key is up along groove, until block contacts with mating groove, because block is different from convex key angle of inclination with respect to the horizontal plane, can continue up by moving-limiting die 8, to be punched 2 that makes to process when discharging and mobile die 8 be independent of each other, improve the reliability of frogeye punch die, be convenient to discharging.
In actual punching press, different to be punched 2 demand for symmetrical frogeye is different.One preferred embodiment in, two of a wedge 9 relative sidewall can be arranged relative to vertical axisymmetric inclined plane, inclined plane can arrange above-mentioned groove, accordingly, two grooves are equipped with the parts for the formation of frogeye die cavity such as mobile die 8 and fixing die 6 respectively.Specific implementation process can be as follows: to be punched 2 is arranged at above-mentioned two groups of upsides of moving die 8 and fixing die 6, two mobile dies 8 can slide in opposition on above-mentioned wedge 9 simultaneously, make to be punched the 2 simultaneously demoulding from the frogeye die cavity of the symmetry of wedge 9 both sides, greatly simplify the knockout course when the level of to be punched 2 symmetrical frogeye multipair to punching press.
On fixing die 6 in each embodiment above-mentioned, the relative wall of the first side wall can be set to the wall tilted, and this relative wall as constant inclined surface, can move die 8 with another and match.Particularly, relative wall can arrange groove, the inclined wall of mobile die 8 is arranged the convex key with fit depressions, convex key can be slided in a groove, realize the tilt slide of mobile die 8, that is, fixing die 6 is arranged in the manner described above, can realize a fixing die 6 and two mobile dies 8 carry out with the use of, fixing die 6 can move die 8 with one of them and form frogeye die cavity, and fixing die 6 can provide constant inclined surface to realize the tilt slide of mobile die 8 for another moves die 8.Visible, the set-up mode of the present embodiment achieves the purposes diversity of fixing die 6, can reduce the setting of above-mentioned wedge 9, in addition, suitable arrangement mode can also be passed through, such as, be connected at interval successively by fixing die 6 and mobile die 8, thus form the frogeye concave die cavity of requirement.
In each detailed description of the invention above-mentioned, fixing die 6 all can be removable installed on die shoe 5 with mobile die 8.For the symmetrical frogeye of the varying number needed for be punched 2 or position relationship, can die change be carried out, improve the flexibility that frogeye punch die uses.
Except the frogeye punch die that each embodiment above-mentioned provides, the utility model additionally provides a kind of punch press comprising above-mentioned frogeye punch die, this punch press is owing to being provided with above-mentioned frogeye punch die, in punching press frogeye process, demoulding work can be carried out easily, be convenient to the shaping of frogeye, improve the efficiency of punching press frogeye.Other each several parts of this punch press please refer to prior art, repeat no more herein.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
Above punch press provided by the utility model and frogeye punch die thereof are described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (10)
1. a frogeye punch die, it is characterized in that, comprising the mobile die (8) of wedge shape, fixing die (6), making it be enclosed within the fixture of to be punched (2) described in described mobile die (8) holding pad outward (1) and horizontal location for pressing to be punched (2); The inclined wall of described mobile die (8) is fitted with constant inclined surface slidably, the first side wall of the upper vertical wall relative with described inclined wall of described mobile die (8) and described fixing die (6) is oppositely arranged, symmetrically on two vertical edges of described wall be provided with concave die cavity, described concave die cavity is used for being coordinated with described the first side wall by relatively described the moving down of constant inclined surface of described mobile die (8) forming frogeye die cavity; Described mobile die (8) is provided with for separating of the elastic reset part (7) of described fixing die (6) with described mobile die (8).
2. frogeye punch die according to claim 1, it is characterized in that, described holding pad (1) is connected to upper bolster (10) by elastic component (11), described upper bolster (10) is provided with wedge (17) on drift that lower end is inclined-plane, described drift is provided with below wedge (17) and is pressed down by wedge (17) on described drift and to wedge (12) under the drift of described frogeye die cavity movement, under described drift, wedge (12) is provided with drift (13); Under described drift, wedge (12) is provided with the extension spring (15) resetted for wedge (12) under the described drift after making frogeye shaping, wedge (17) and described elastic component (11) compression under wedge (12) contact condition under described drift on described drift.
3. frogeye punch die according to claim 2, is characterized in that, described elastic component (11) is nitrogen spring.
4. frogeye punch die according to claim 2, it is characterized in that, described fixture comprises ejector (3) for supporting described to be punched (2) and head part spring (4), and described ejector (3) is connected by the die shoe (5) that described head part spring (4) is corresponding with described upper bolster (10).
5. frogeye punch die according to claim 4, is characterized in that, under described head part spring (4) free state, the upper side wall of described ejector (3) is higher than the upper side wall of described mobile die (8).
6. frogeye punch die according to claim 4, it is characterized in that, (5) are provided with wedge with described die shoe, described constant inclined surface comprises the inclined plane on described wedge (9), described inclined plane is provided with groove, and described inclined wall is provided with the convex key that can slide in described groove.
7. frogeye punch die according to claim 6, it is characterized in that, described mobile die (8) is positioned at the block be also provided with on the downside of described convex key for limiting described mobile die (8) upward position, described groove is provided with the mating groove matched with described block.
8. frogeye punch die according to claim 7, is characterized in that, two opposite flanks of described wedge (9) are relative to vertical axisymmetric described inclined plane, and each described inclined plane correspondence is provided with described mobile die (8).
9. frogeye punch die according to claim 6, is characterized in that, the relative wall of the upper described the first side wall of described fixing die (6) is the described constant inclined surface for coordinating with die (8) mobile described in another.
10. a punch press, comprises frogeye punch die, it is characterized in that, described frogeye punch die is the frogeye punch die described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520986878.7U CN205128750U (en) | 2015-12-02 | 2015-12-02 | Punch press and frog eye die thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520986878.7U CN205128750U (en) | 2015-12-02 | 2015-12-02 | Punch press and frog eye die thereof |
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| CN205128750U true CN205128750U (en) | 2016-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363919A (en) * | 2015-12-02 | 2016-03-02 | 湖北中航精机科技有限公司 | Punching machine and frog eye punching die thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363919A (en) * | 2015-12-02 | 2016-03-02 | 湖北中航精机科技有限公司 | Punching machine and frog eye punching die thereof |
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