A kind of hardware sheet stamping device
Technical field
The present invention relates to thin plate processing technique field, specially a kind of hardware sheet stamping device.
Background technique
Punching press is that depended on pressure machine and mold apply external force to plate, band, tubing and profile etc., is allowed to generate plastic deformation
Or separation, thus the forming and machining method of the workpiece of shape and size needed for obtaining.In the processing of hardware thin plate, punching press is must
Indispensable.So-called punch process be by means of the power of conventional or dedicated stamping equipment, make plate in mold directly by
To deformation force and deformed, so that certain shapes is obtained, the production technology of the product parts of size and performance.In hardware thin plate
Processing in, it is envisaged that how to stamp out the thin plate for complying fully with requirement according to actual production requirement, especially by
In than relatively thin, in case of crimping during punching press, will cause to be unevenly distributed in mold since gravity is unbalanced,
It is uneven to eventually lead to the thin plate quality that actual production goes out, it is difficult to meet actual design requirement.
There are drawing velocities for existing stamping device slowly, punching press is not thorough and whole process is rigid during punching press
Property punching press, instantaneous stamping press is very big, huge pressure can be discharged in a relatively short period of time, thus be more than handware critical pressure
So that Brittle deformation occurs for handware, this will destroy the globality structure of hardware thin plate.And in pressurization punching press routinely
Cheng Zhong often pressurizes using single side and carries out punching press, although can also reach identical punching press effect, on the two sides of thin plate
There to be two different punching press effects, and also will affect the final product quality of hardware thin plate.
Summary of the invention
In order to overcome the shortcomings of that prior art, the present invention provide a kind of hardware sheet stamping device, can buffer wink
When Qiang Chongli, prevent Brittle deformation, and using the dual-direction ram of horizontal direction, avoid curling and impulse force unequal to thin
The influence of plate can effectively solve the problems in background technique.
The technical solution adopted by the present invention to solve the technical problems is: a kind of hardware sheet stamping device, including substrate,
The substrate is in concave, is fixedly installed with punching press support frame at substrate both ends, and the heart is pacified by supporting table in a substrate
Equipped with objective table, it is fixedly installed with punching press slide bar at the top and bottom of the punching press support frame, is run through on the punching press slide bar
Equipped with loop bar, connected between the loop bar by punching press push arm, punching press push arm two sides be fixedly installed with respectively punch rod and
Hydraulic drive bar, the punch rod end are fixedly installed with staking punch, and the hydraulic drive bar other end is connected with hydraulic cylinder, institute
It states hydraulic cylinder to be located on the outside of punching press support frame by power objective table, the hydraulic drive bar and punching press support frame junction are also set
It is positioned through hole, the objective table two sides pass through slide-bar respectively and are equipped with limited block, and mold folder is also equipped on slide-bar
Plate, the staking punch outside are also fixedly installed with positive stop strip, and the quantity of the loop bar is two groups, and every group of loop bar is located at same root punching
It presses on slide bar, and the quantity of every group of loop bar is two, is pushed away between the loop bar on different punching press slide bar corresponding positions by punching press
Arm being connected to form one structure.
As a preferred technical solution of the present invention, punch rod includes punching press interior bar and bellows, the bellows-sheathed
The rod outer surface in punching press, and the length of bellows is greater than the length of punching press interior bar, the staking punch is fixedly mounted on bellows
End.
As a preferred technical solution of the present invention, also pass through connection lock and punching press support frame at the top of the hydraulic cylinder
Connection.
As a preferred technical solution of the present invention, the hydraulic drive bar is by primary hydraulic pressure casing, level-one hydraulic sleeve
Pipe and 2-level hydraulic casing composition, the radius of the primary hydraulic pressure casing, the hydraulic casing of level-one and 2-level hydraulic casing are successively in
Halve reduction, and passes through between primary hydraulic pressure casing and the hydraulic casing of level-one and the hydraulic casing of level-one and 2-level hydraulic casing
Gasket ring closely connects, and is fixedly installed with reset spring on the inside of the primary hydraulic pressure casing, the hydraulic casing of the level-one and two
The hydraulic casing of grade is both connected to the reset spring other end.
As a preferred technical solution of the present invention, the limited block and slide-bar overlapping area are not less than 60%, and limit
Position block and slide-bar center deviation degree are not more than 20%.
As a preferred technical solution of the present invention, connected between the mold clamp board by limit pull rod.
As a preferred technical solution of the present invention, the positive stop strip length is greater than the length of staking punch and extends to load
Object platform bottom, the positive stop strip are contacted with limited block wedging.
Compared with prior art, the beneficial effects of the present invention are: the present invention is by being changed to horizontal two for vertical punching press
Horizontal punching press on direction, on the one hand can overcome thin slice caused by the reasons such as gravity or unbalance stress to send out in punching course
Life crimps and the non-uniform phenomenon of punching press, and still further aspect is acted on by two-way punching press, two-way to the two-sided carry out of thin plate
Punching press makes thin plate in two-sided punching press effect having the same, and punching is also equipped between staking punch and hydraulic drive bar
Interior bar and bellows are pressed, actual moment impulse force is reduced by the time of the depressurization increasing action of bellows, is prevented
Cause thin plate that Brittle deformation occurs since superpower instantaneous pressure is more than critical pressure, in final punching press after buffering
Pressure is stablized constant, persistently carries out punching press.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is hydraulic drive rod structure schematic diagram of the present invention.
In figure: 1- substrate;2- punching press support frame;3- supporting table;4- objective table;5- punching press slide bar;6- loop bar;7- punching press pushes away
Arm;8- punch rod;9- hydraulic drive bar;10- staking punch;11- hydraulic cylinder;12- power objective table;13- is positioned through hole;14-
Slide-bar;15- limited block;16- mold clamp board;17- positive stop strip;18- punching press interior bar;19- bellows;20- connection lock;At the beginning of 21-
The hydraulic casing of grade;The hydraulic casing of 22- level-one;23- 2-level hydraulic casing;24- gasket ring;25- reset spring;26- limit is drawn
Bar.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment:
As depicted in figs. 1 and 2, the present invention provides a kind of hardware sheet stamping device, including substrate 1, the substrate 1 is in
Concave is fixedly installed with punching press support frame 2 at 1 both ends of substrate, and is equipped with load by supporting table 3 at 1 center of substrate
Object platform 4,2 top and bottom of punching press support frame are fixedly installed with punching press slide bar 5, run through on the punching press slide bar 5 and set
There is loop bar 6, connected between the loop bar 6 by punching press push arm 7, the quantity of the loop bar 6 is two groups, and every group of loop bar 6 is located at together
On a piece punching press slide bar 5, and the quantity of every group of loop bar 6 is two, between the loop bar 6 on different 5 corresponding positions of punching press slide bar
By 7 being connected to form one structure of punching press push arm, limit adjustment is reached by sliding of the loop bar 6 on punching press slide bar 5
Purpose prevents from shaking during punching press, and pressing direction is caused to deviate predetermined direction, to influence actual punching press effect
Fruit, 7 two sides of punching press push arm are fixedly installed with punch rod 8 and hydraulic drive bar 9, the fixed peace in 8 end of punch rod respectively
Equipped with staking punch 10,9 other end of hydraulic drive bar is connected with hydraulic cylinder 11, and the hydraulic cylinder 11 passes through power objective table 12
It is located at 2 outside of punching press support frame, 11 top of hydraulic cylinder is also connect by connection lock 20 with punching press support frame 2, and punching is kept
Stability of the pressure device in punching course, the hydraulic drive bar 9 and 2 junction of punching press support frame are additionally provided with and are positioned through hole
13,4 two sides of objective table pass through slide-bar 14 respectively and are equipped with limited block 15, and are also equipped with mold clamp board on slide-bar 14
16, it is connected by limit pull rod 26 between the mold clamp board 16, adjusts actual clamp distance, on the outside of the staking punch 10 also
It is fixedly installed with positive stop strip 17.
Preferably, punch rod 8 includes punching press interior bar 18 and bellows 19, and 19 sets of the bellows is outside punching press interior bar 18
Surface, and the length of bellows 19 is greater than the length of punching press interior bar 18, the staking punch 10 is fixedly mounted on 19 end of bellows,
The release of the impulse force in the short time is buffered using the buffering pressure reduction properties of bellows 19, to avoid the release of moment superpower impulse force
Thin plate is become into brittle deformation.
It may further be preferable that the hydraulic drive bar 9 is by primary hydraulic pressure casing 21, the hydraulic casing 22 of level-one and second level liquid
Pressing sleeve pipe 23 forms, and the radius of the hydraulic casing 22 of the primary hydraulic pressure casing 21, level-one and 2-level hydraulic casing 23 is successively in subtract
Half reduces, and between primary hydraulic pressure casing 21 and the hydraulic casing 22 of level-one and the hydraulic casing 22 of level-one and 2-level hydraulic casing 23
It is closely connected by gasket ring 24, is fixedly installed with reset spring 25, the level-one on the inside of the primary hydraulic pressure casing 21
Hydraulic casing 22 and 2-level hydraulic casing 23 are both connected to 25 other end of reset spring, the continuous propulsion of Multi-stage sleeve, Ke Yiyou
The actual hydraulic drive process of the control of effect, and can be quickly according to the reversed of reset spring after hydraulic thrust release
Pulling force all playbacks casing, prepares for a lasting punching press successively.
In addition, the limited block 15 is not less than 60% with 14 overlapping area of slide-bar, and limited block 15 and 14 center of slide-bar are inclined
It is not more than 20% from degree, improves the practical restraining ability of limited block 15, prevent from causing restraining ability to decline due to center deviation, and
It is damaged by strong impact force and loses restraining ability, 17 length of positive stop strip is greater than the length of staking punch 10 and extends to objective table
4 bottoms, the positive stop strip 17 are contacted with 15 wedging of limited block, are carried out position-limiting action, are prevented excessive punching press from thin plate being caused to deform.
The main characteristic of the invention lies in that the present invention is rushed by the level being changed to vertical punching press in horizontal both direction
Pressure, on the one hand can overcome thin slice caused by the reasons such as gravity or unbalance stress occurs in punching course crimp and punching press not
Uniform phenomenon, still further aspect are acted on by two-way punching press, and the two-way punching press of the two-sided carry out to thin plate makes thin plate exist
Two-sided punching press effect having the same, and punching press interior bar and ripple are also equipped between staking punch and hydraulic drive bar
Pipe reduces actual moment impulse force by the time of the depressurization increasing action of bellows, prevents due to superpower wink
Between pressure be more than critical pressure and cause thin plate that Brittle deformation occurs, after buffering final stamping pressure stablize not
Become, persistently carries out punching press.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.