CN104487236B - For determining the instruments of inspection of forming press performance in real-world conditions - Google Patents
For determining the instruments of inspection of forming press performance in real-world conditions Download PDFInfo
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- CN104487236B CN104487236B CN201380038816.7A CN201380038816A CN104487236B CN 104487236 B CN104487236 B CN 104487236B CN 201380038816 A CN201380038816 A CN 201380038816A CN 104487236 B CN104487236 B CN 104487236B
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- inspection
- instruments
- lower portion
- tool part
- upper tool
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/007—Means for maintaining the press table, the press platen or the press ram against tilting or deflection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0094—Press load monitoring means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of instruments of inspection (100) for determining forming press performance in real-world conditions, it includes：To be fixed in the tool lower portion (300) on the squeeze station of forming press with the upper tool part (200) on the depression bar of forming press to be fixed, wherein, described upper tool part (200) can be moved with respect to tool lower portion (300) to measure stroke by depression bar；Multiple gas springs (360,370) acting between tool lower portion (300) and upper tool part (200), the power appeared in the instruments of inspection (100) under true condition of molding simulated in the measurement stroke of depression bar in the case of not using workpiece to be formed by described gas spring；With multiple measurement sensors, described measurement sensor realizes the dynamic detection of the performance to forming press in measurement stroke.
Description
The present invention relates to a kind of for determine or detect forming press performance the instruments of inspection.
Should determine by the related instruments of inspection or detection performance forming press feature in particular, in that in forcing press
On framework especially on O shape frame guiding depression bar, described depression bar can hydraulically or mechanically (if necessary can also electromechanical
Ground) mobile.Here, it for example may refer to batch forcing press or test pressure machine.It preferably refer to cupping press and/or
Dieing out press.
This forming press has distinctive performance or speciality, and they affect operating forcing press performances and right
The service life of forming press and/or the instrument being used and the part quality on manufactured profiled member produce and affect.
Herein means is not constant performance, and the performance typically with service life change.These distinctive performances or speciality
For example include relevant with load depression bar in pressure stroke to offset and tilt.Wherein also include elastic deformability, such as pressure
Flexure relevant with load of machine worktable etc..This performance can be detected by e measurement technology and according to eigenvalue (also referred to as
For accuracy characteristic value) it is described, as illustrated in DIN55 189 part 1 and part 2.May be referred to as supplement
Elaboration in DE 41 29 256 C2.
Typically statically determine these performances or eigenvalue.A kind of use is described in DE 10 2,010 033 001 B3
There is in inspection functional inspection equipment of the cupping press of workbench liner or drawing cushion facility, described device also can
Dynamically detect the performance of cupping press, wherein, mainly can detect the characteristic of drawing cushion facility.
The technical problem to be solved is, provide a kind of simple to operate for widely dynamic measurement molding
The equipment of the performance of forcing press.
This technical problem pass through according to the present invention a kind of for determining forming press performance in real-world conditions
The instruments of inspection solves, and it includes：
- to be fixed in the tool lower portion on squeeze station with the upper tool part on depression bar to be fixed, wherein, on described instrument
Portion can move with respect to tool lower portion to measure stroke by depression bar；
- multiple gas springs acting between tool lower portion and upper tool part, described gas spring is in the measurement of depression bar
Simulate the power appeared in the instruments of inspection under true condition of molding in the case of not using workpiece to be formed in stroke；With
- multiple measurement sensors, described measurement sensor realizes the dynamic of the performance to forming press in measurement stroke
State detects, wherein,
The plurality of gas spring has different gas spring types, and described different gas spring type has difference
Its length and/or spring characteristic line.
The instruments of inspection according to the present invention is used for determining or detect the performance of (as described in start herein) forming press,
Wherein, described forming press refers in particular to plate tonnage machine, and it for example can be used for cutting except molding.According to this
The instruments of inspection of invention is referred to as forcing press survey tool.When correspondingly designing, according to the instruments of inspection of the present invention
Can use in the forcing press of horizontal operation.
According to the present invention the instruments of inspection can during one or more measurement strokes with generally relatively small number of when
Between expend determine or detection forming press to be checked performance.For this reason, treating being arranged on according to the instruments of inspection of the present invention
Check the work space of forming press in, due to tool-class as structure, installation process can be simply and quickly complete
Become (as traditional equipment).In order to measure stroke, depression bar (the forcing press setting especially by close to batch) example
As dropped to lower dead centres by its top stop and then rising to top stop again, wherein, real measurement does not need
Carry out in whole measurement stroke, but for example can only include the time interval of engagement between upper tool part and tool lower portion.Cause
This, can carry out real crush stroke by the instruments of inspection according to the present invention.During a measurement stroke, can record
Or detection or the dynamic property determining forming press to be checked, wherein, the instruments of inspection according to the present invention can be used for
Determine static properties.The instruments of inspection according to the present invention allows different measurement scenes, and this will elaborate afterwards.Determined
Forcing press performance can illustrate or quantify by producing eigenvalue, this especially should automatically be carried out.
During measurement stroke, by the gas spring that is especially arranged in tool lower portion simulate under true condition of molding
The process power (they affect extrusion performance) being between upper tool part and tool lower portion producing in the instruments of inspection.Gas spring
Allow with force vector accurately applying power that determine and measurable, without in a measurement stroke or multiple measurement
Interrupt between stroke.This is especially achieved in that, that is, during upper tool part is engaged with tool lower portion, acts between tool component
Gas spring produce pressure, by described pressure, upper tool part is mutually pressed off with tool lower portion, to be thus formed in into
Full-scale condition (as especially working condition) when type and/or cutting (especially sheet material), and be this do not need tool component it
Between arrange workpiece.It is arranged on and refer in particular to pressure measurement sensor or power according to the measurement sensor in the instruments of inspection of the present invention
Measurement sensor and displacement measurement sensor or distance measurement sensor, are wherein preferably also provided with the measuring system of redundancy.Afterwards
It is expanded on further with reference to the accompanying drawings.
Preferably specify, described gas spring is arranged group by group, wherein, belong to one group gas spring pass through pressure piping,
For example it is connected with each other by common annulus line, such that it is able to carry out pressure compensation between gas spring.(spring) group (or
Person says turn) can differently design.The gas spring belonging to one group for example covers a measurement zone, such as especially one as
Limit.
It is then preferred that regulation, in the instruments of inspection according to the present invention, different gas spring types has different bullets
Spring length (haul distance) and/or spring characteristic line (the power change curve on spring travel).Pacify preferably in the instruments of inspection
Fill two kinds of different gas spring types.Especially specify, only include the gas spring of same type in (spring) group.Institute
State gas spring to be preferably mounted on the substrate of tool lower portion.
Multiple compression pins pointing to tool lower portion can be arranged on the upper tool part according to the instruments of inspection of the present invention
(Pinole, plug), described compression pin is pressed against the air pressure bullet being arranged in tool lower portion when the described instruments of inspection closes
On spring.But this structure can also be in turn.On the substrate that described compression pin is preferably fixed to belong to upper tool part and
Extend downwardly from from this substrate.From different gas spring types accordingly, also especially be provided with different compression pin types or core
Excellent type, this will be expanded on further combining accompanying drawing afterwards.
In order to measure the power occurring in the instruments of inspection according to the present invention, preferably specify, on described upper tool part has
Portion's substrate and lower basal plate, are disposed with multiple power or pressure measurement sensor between described upper substrate and lower basal plate.Pressure
Tight pin or plug are arranged in lower basal plate.The elastic performance of described lower basal plate makes it possible to dividually and especially area
The measured value that the analysis of domain property ground is produced by pressure measurement sensor.Furthermore, it is possible to (for example passing through the waffle pie model of design)
By lower basal plate segmentation.Accompanying drawing will be combined afterwards elaborate.
Described upper tool part can have the framework around lower basal plate.Described framework is preferably by rigid material as especially
CFK material is constituted.It is disposed with multiple displacement measurement sensors measuring towards upper substrate on said frame, they are examined
Survey any local pitch change and the spacing of upper substrate and two substrates on equipments of recording top between.To combine afterwards
Accompanying drawing is expanded on further.
Tool lower portion equally can also have rigid framework, and described framework is especially made up of CFK material, described framework
It is disposed with separately and on said frame multiple displacement measurements measuring towards substrate with (tool lower portion) substrate
Sensor.Institute's displacement measurement sensor can detect and the spacing of substrate of tool lower portion and recording between framework and substrate
The change of any local pitch.
Can also arrange on said frame laser measurement sensor that at least one measures towards upper tool part (or
Laser measurement system), even if it orients towards upper tool part and (namely for example opens in the instruments of inspection when spacing is larger
When) also can contactlessly measure distance with the reference point in upper tool part.This laser measurement sensor or system can also
It is arranged in upper tool part and measure towards the reference point in tool lower portion.Accompanying drawing will be combined afterwards elaborate.
Multiple workbench liner plugs, described work can be arranged in the tool lower portion according to the instruments of inspection of the present invention
Platform liner plug can pass through the boring in (tool lower portion) substrate to be supported in the press bench of forming press
On drawing backing plate or be erected on this drawing backing plate.Thus can determine the drawing cushion facility of forming press to be checked
Performance.Accompanying drawing will be combined afterwards elaborate.
Multiple corresponding guidings all can be arranged on the upper tool part and tool lower portion of the instruments of inspection according to the present invention
Element (such as guide posts or guiding carrier), wherein preferably specifies, described guide element can quickly and simply be dismantled, and this may
It is favourable.
The present invention is expanded on further exemplarily and without limitation below according to accompanying drawing.Shown in the accompanying drawings
And/or feature set forth below independently can become the general featuress of the present invention with specific combinations of features simultaneously.
Fig. 1 illustrates the instruments of inspection according to the present invention with top perspective view；
Fig. 2 illustrates the instruments of inspection in Fig. 1 with isometric bottom side；
Fig. 3 illustrates the upper tool part of the instruments of inspection belonging in Fig. 1 with perspective side, and it has the covering plate of rising；
Fig. 4 illustrates to belong to the tool lower portion of the instruments of inspection in Fig. 1 with top perspective view；
Fig. 5 illustrates the tool lower portion of the instruments of inspection belonging in Fig. 1 with diagrammatic top.
Hereinafter illustrate the tool construction of the instruments of inspection according to the present invention first.Work and the method for operation will be illustrated afterwards.
Fig. 1 illustrates the instruments of inspection 100 according to the present invention.The described instruments of inspection 100 includes the work on depression bar to be fixed
Tool top 200 and the tool lower portion 300 on press bench to be fixed.Upper tool part 200 and tool lower portion 300 can be complete
Entirely separately.Can move with respect to tool lower portion 300 by the upper tool part 200 of depression bar movement and pass through multiple post guide members
410 are directed to tool lower portion 300.Post guide member 410 is illustratively arranged in tool lower portion 300, wherein, in upper tool part
It is fixed with corresponding guide member retainer or guiding set 420 (referring to Fig. 2), when the instruments of inspection 100 closes, post guide member 410
Can be slipped in described guide member retainer or guiding set (as shown in Figure 2) by the decline of upper tool part 200.Guide posts 410
And/or guide member retainer 420 is so fixed on the instruments of inspection 100 so that guide posts and guide member retainer can be quick
And simply remove.Particularly preferably specify, (with view on the contrary) guide member retainer be arranged in tool lower portion 300 and
Can particularly simple be disassembled in this way.
Upper tool part 200 has the substrate 210 and 220 (referring to Fig. 2) of two rectangles.Tool lower portion 300 has a square
The substrate 310 of shape.The different compression pin (hereinafter also referred to plug) of multiple designs is from the lower basal plate 220 of upper tool part 200
Set out and extend towards the direction of tool lower portion 300.The different air pressure of multiple designs is disposed with the substrate 310 of tool lower portion 300
Spring, described gas spring extends towards the direction of upper tool part 200.Compression pin in upper tool part 200 and tool lower portion 300
On the function of gas spring also will be expanded on further afterwards.
Fig. 3 illustrates upper tool part 200.Described upper tool part 200 include upper substrate (upper board or covering plate) 210 and under
Portion's substrate (lower panel or sole plate) 220.Being provided with multiple forms between upper substrate 210 and lower basal plate 220 is pressure
Electric measuring cell or strain measuring cell 230 force cell (e.g., from about 50), they not only with upper substrate 210 but also with bottom base
Plate 220 bolt connection (can be seen that the bolt connecting hole in upper substrate 210 by Fig. 1 and Fig. 3).By the survey by tools for bolts ' pretension
Two substrates 210 and 220 are fixed together by pressure instrument 230.Measuring cell 230 is substantially uniformly distributed over substrate 210 and 220
On operational area.Each measuring cell can be directed to by the measured value that the pressure being recorded by measuring cell 230 or power are produced
It is detected separately and transmit to analytical equipment.In addition multiple measuring cells 230 can also be combined on e measurement technology, it is especially
Refer to regional combination (for example inside quadrant or plane quadrant).
The framework 240 surrounding lower basal plate 220 is disposed with upper tool part 200, described framework is by rigid material such as CFK
Material is made.Displacement measurement sensor (increment that multiple tactile are disposed with framework 240, being in upper tool part 200
Formula position detector) 245, their (for example by flexibly mounted measuring cell) records with the spacing of upper substrate 210 and
Any local pitch change between two substrates 210 and 220 of detection.Framework 240 equally can also be arranged in upper substrate 210
On, such displacement measurement sensor will point to lower basal plate 220.Replace the displacement measurement sensor of tactile, it is possible to use
Other displacements or distance measurement sensor.The outer length of upper substrate 210 and width dimensions are more than lower basal plate 220, therefore
Framework 240 bounces back with respect to the external dimensions of upper substrate 210 and is thus in shielded position (referring to Fig. 1).
Guide member retainer 420 for post guide member 410 be there also is provided on lower basal plate 220.It is fixed on bottom base
On plate 220 and point to the spacer block reference 250 of tool lower portion 300 and represent, in an illustrated embodiment, spacer block exists
It is arranged on the minor face of lower basal plate 220 between guide member retainer 240.
It is disposed with the different plug of multiple sizes in the downside of lower basal plate 220, they point to the side of tool lower portion 300
To.Mainly there are three kinds of different mandrel-type.Belong to the first mandrel-type the first plug 260 design have relatively large
Diameter.The second plug 270 to the first plug 260 belonging to second mandrel-type is longer and design and have than the first plug
260 less diameters.First plug 260 can be described as " short " and " thick ".Second plug 270 can be described as " length " and
" thin ".Belong to the third mandrel-type the 3rd plug 290 have in an illustrated embodiment maximum axial length with relative
Less diameter.Preferably specify, plug 260,270 and 290 is bearing in lower basal plate 220.Plug 260,270 and 290 is for example
With lower basal plate 220 bolt connection, this can be realized in the way of different.Preferably specify, plug 260,270 and/or 290
Layout pattern be variable to be achieved in adaptation as needed.
Fig. 4 illustrates tool lower portion 300.Described tool lower portion 300 and upper tool part 200 similarly have framework 340.Described
Framework 340 is made up of rigid material such as CFK material and includes the support bar 343 and 344 of two intersections, and described support bar is same
It is made up of rigid material such as CFK material.Described support bar 343 and 344 is designed as middle studdle.Framework 340 in order to stable and
The protected frame by cincture or external frame 341 are surrounded.Described external frame 341 is for example by aluminum extrusion molding profile piece group
Become, they and be in inside framework 340 bolt connection.In external frame or aluminium sash 341, folding corner region be provided with every
Off member 342, wherein, described separator 342 equally can be made up of aluminum extrusion molding profile piece.It is in the framework 340 of inside
Indirectly it is bearing on substrate 310 by external frame 341 and separator 342, thus also in the framework 340 being in inside and base
Accurate spacing is defined between plate 310.Preferably specify, separator 342 and substrate 310 bolt connection.Alternately, in being in
The framework 340 in portion can also be directly supported on substrate 310, and such external frame 341 only serves defencive function.Substrate 310
External dimensions is more than external frame 341, and therefore framework 341 and 341 bounces back and therefore locates with respect to the external dimensions of substrate 310
In shielded position.
Framework 340 and support bar 343 and 344 are disposed with multiple (such as up to 10) tactile, be in instrument
Displacement measurement sensor (incremental position detector) 345 on bottom 300, they (for example pass through flexibly mounted measurement unit
Part) record the spacing of substrate 310 with tool lower portion 300 and detect rigid frame 340 or support bar 343/344 and substrate
Any local pitch change between 310.Replace the displacement measurement sensor of tactile, it is possible to use other displacements or distance
Measurement sensor.
On the framework 340 being in inside or external frame 341, multiple Laser Measuring can be arranged especially in folding corner region
Quantity sensor 347, even if they orient towards upper tool part 200 and when spacing is larger (namely in the instruments of inspection 100 dozens
When opening) also can contactlessly measure distance with the reference point in upper tool part 200.Preferably in framework 340 or external frame 341
Each corner in arrangement laser measurement sensor 347 (or other contactless displacement or distance measurement sensor), wherein,
In three corners, arrangement laser measurement sensor be enough to record or detect upper tool part 200 spatially with respect to instrument
The inclination (or in turn) of bottom 300 or the elastic bending of forming press.Additionally, laser measurement sensor or system
(or similar device) it is also possible that being positioned on the instruments of inspection 100 (for example by being fixed on framework 240 and/or 340), from
And be able to record that or survey tool top 200 and tool lower portion 300 between level offset.It is also contemplated that, will swash
Light measuring sensor is for example arranged on the spacer block 250 of upper tool part 200, and described laser measurement sensor is towards tool lower portion
Reference point in 300 measures.
In the folding corner region of substrate 310, (such as four altogether) measure-axis 320 have been disposed about it in guide posts 410.
Described measure-axis 320 refer to high-resolution tactile displacement measurement sensor and (especially have flexibly mounted measurement unit
Part), they for example design with glass scales.Can be closed in the instruments of inspection 100 by measure-axis 320 or be opened fortune
The substrate 310 of (i.e. when upper tool part 200 is engaged with tool lower portion 300) record or detection tool lower portion 300 and work during dynamic
Local pitch between the lower basal plate 220 on tool top 200, wherein it is also possible to recording or detecting upper tool part during engagement
200 with respect to the inclination (or in turn) of tool lower portion 300 and elastic bending (three measure-axis 320 of forming press
Just enough to detect inclination spatially).Can also detect that upper tool part 200 is engaged with tool lower portion 300 by measure-axis 320
The depression bar speed of period.This measure-axis 320 can also be arranged in upper tool part 200.
Represent that (with measure-axis 320) constructs identical measure-axis in principle with reference 325, they can take
Supplemented for measure-axis 320 or to measure-axis 320 and equally towards upper tool part 200, especially towards bottom
Substrate 220 measures.It is (or similar that measure-axis 325 are erected at drawing backing plate in the press bench of forming press
Device) on.Preferably specify, measure-axis 325 are erected at indirectly by workbench liner plug (also will be apparent from below)
On drawing backing plate.It is preferably provided with multiple this measure-axis 325 (such as four), they 320 are similarly arranged with measure-axis
In the folding corner region of the instruments of inspection 100.Can record or detect the workbench liner of forming press by measure-axis 325
Or the performance of drawing cushion facility or speciality.
The different gas spring of multiple makes, described gas spring are disposed with the substrate 310 of tool lower portion 300
Point to the direction of upper tool part 200.Mainly there are two kinds of different gas spring types.Belong to the first of the first gas spring type
Gas spring 360 has shorter spring travel and larger spring force.Belong to the second air pressure bullet of the second gas spring type
Spring 370 has longer spring travel and less spring force.But all gas springs can also be make identical.
It is arranged in the air pressure of the same type in a quadrant or measurement zone (being divided according to support bar 343 and 344)
Spring 360 or 370 is combined as one group and is for example connected with each other by common annulus line.This combination is also shown in Fig. 5
Schematic plan shown in, wherein, quadrant is represented by I, II, III and IV.First quartile I includes thering is six combinations
First group of the first gas spring 360 and second group of the second gas springs 370 with four combinations, by that analogy.Gas
The combination of pressing spring 360 and 370 is variable.Gas spring 360 and 370 can also individually (i.e. not in combination) run.This
Outward, the layout pattern of gas spring 360 and/or 370 is also variable, to be achieved in adaptation as needed.
On the substrate 310 of tool lower portion, two spacer blocks 350 are respectively disposed between guide posts 410 on minor face
(middle studdle 344 being consequently belonging to framework 340 can be directed through therebetween), described spacer block points to upper tool part 200
Direction and contact with each other or recline with the spacer block 250 in upper tool part 200 when the instruments of inspection 100 closes, thus stops
The lower terminal end position that closing motion and upper tool part 200 are in determination (is had really with tool lower portion 300 or its substrate 310
Fixed spacing).Additionally, being also disposed with multiple (rigidity) alternating cylinders 380, their examples in the zone line of substrate 310
As being positioned between the first gas spring 360.When the instruments of inspection 100 closes, alternating cylinders 380 be arranged in upper tool part
Corresponding spacer element on 200 downside of lower basal plate 220 contacts.By being distributed in the correspondence in the zone line of surface
Spacer element or spacer block, can reach lower dead centres when parallel with the spacer block 250 and 350 being externally arranged in region
Pressure is conducted to tool lower portion 300 from upper tool part 200 and conducts to press bench further by ground.
Pressure pin or workbench liner plug reference 390 represent, they pass through the boring in substrate 310
311 (referring to Fig. 2) are bearing on the drawing backing plate (or similar device) in the press bench of forming press.For working
The guide member reference 395 of platform liner plug 390 represents.The layout pattern of workbench liner plug 390 is in substrate 310
It is variable in the range of drill pattern, to be achieved in adaptation as needed.
Tool lower portion 300 has multiple hot suspension ring 315, for by crane lifting tool lower portion 300 or if necessary
Also lift the whole instruments of inspection 100.This hot suspension ring (referring to reference 215) are also disposed in upper tool part 200, so that energy
Enough upper tool part 200 is lifted from tool lower portion 300.The gross weight of the instruments of inspection 100 is up to 40000Kg or heavier.
One or more cables can be passed through by the measurement signal that the measurement sensor being arranged in the instruments of inspection 100 produces
Connect and transmit to analytical equipment, such as especially computer.Wireless connection equally can be set, and such as WLAN connects.
The instruments of inspection 100 according to the present invention achieves and determines in real-world conditions or detection forming press (such as batch
Cupping press or test pressure machine) performance or speciality.Here should be understood that and enables in particular to examine by the instruments of inspection 100
Survey these performances of related forming press, when running molding and/or cutting tool in forming press, especially exist
During whole cycle of operation, (instrument closes and is again turned on) also occurs described performance.
For this reason, loading in forming press to be checked the instruments of inspection 100, wherein, upper tool part 200 is fixed on depression bar
On, and tool lower portion 300 is fixed on press bench.Due to tool-class as structure, installation process can borrow
Help relatively rapid in the case of conventional mounting additional device and simply carry out.Tool component 200 and 300 is by guide element
410 and 420 mutual orientations.Required measurement sensor is connected with least one analytical equipment and calibrates.
Now can to forming press execution measurement stroke to be checked or process of testing, wherein, depression bar with
Upper tool part 200 fixed thereon moves downward from top stop.Before upper tool part 200 is engaged with tool lower portion 300,
Just can detect and analyze in e measurement technology and record inclination and/or the depression bar of depression bar by laser measurement sensor 347
Level offset.Depression bar speed can also be detected by laser measurement sensor 347.
When depression bar declines further, upper tool part 200 is engaged with tool lower portion 300, wherein, is upper tool part first
The second plug 270 on 200 contacts (side contact), then the second air pressure with the second gas spring 370 in tool lower portion 300
The piston of spring 370 is pressed into and is applied in the lower basal plate 220 of upper tool part 200 by the second longer plug 270
The pressure being directed upwards towards determining.Last the first shorter plug in further descending motion, in upper tool part 200
260 also contact (end contact) with the first gas spring 360 in tool lower portion 300, the then piston of the first gas spring 360
It is pressed into and applies in the lower basal plate 220 of upper tool part 200 by the first plug 260 pressure being directed upwards towards determining
Power.
During upper tool part 200 is engaged with tool lower portion 300, by gas spring 360 and 370, the power producing or pressure connect
Nearly grown place (is being particularly useful for plate during (or if necessary also when depression bar stops) dry run in continuous depression bar moves
Part processing) the true power (as forming force, cutting force etc.) occurring in molding and/or cutting tool, these power are to forcing press
Can have retroaction.The power that can be produced by gas spring 360 and 370 and point of force application can be by changing (another kind of gas spring
Type), filling, positioning and/or combination gas spring to be changing.Therefore for example it is contemplated that only in a quadrant or
In a tool half, only there is the gas spring of active in person.Therefore the instruments of inspection 100 according to the present invention is changeable.Logical
Cross using first and second gas springs 360 and 370 with different spring travels, example can be simulated by the instruments of inspection 100
As different drawing paths and different tension variations.
During engaging between upper tool part 200 and tool lower portion 300, can be by being arranged in upper tool part 200
Measuring cell 230 records or detects and record in e measurement technology and analyze the power occurring between tool component 200 and 300
Or pressure (the power change curve on such as drawing path or closed path).By dividually or regionally analyzing measuring cell
230, can detect and analyze in e measurement technology and the power of record local is poor.In addition it is also possible to detect and in measurement skill
Record in art and analyze the air pressure being formed in gas spring 360 and 370.
During engaging between upper tool part 200 and tool lower portion 300, can also examine by laser measurement sensor 347
Survey and analyze in e measurement technology and the inclination of record depression bar and the level offsetting of depression bar, this corresponds to upper tool part 200 phase
Inclination for tool lower portion 300 or offsetting.By the touch displacement measurement sensor 345 in tool lower portion 300, acceptable
Detection and analysis and the flexure recording press bench and its working plate in e measurement technology.
When depression bar or upper tool part 200 decline further, it is arranged on and is in upper tool part 200 in the instruments of inspection 100
Contact (this especially spacer block 250 and 350) with the corresponding spacer element in tool lower portion 300, thus stop closure fortune
Dynamic and upper tool part 200 is in the lower terminal end position (lower dead centres) of determination.In this lower terminal end position, can be by
Depression bar applies the closing force determining on the instruments of inspection 100, wherein, according to elaboration before can by the instruments of inspection 100 and
Its measurement sensor detects and analyzes in e measurement technology and record forcing press performance.Especially can be by measuring cell 230
Measure the depression bar power (stamping press) being produced by forming press.Because not having between tool component 200 and 300 in this time point
There is relative motion, detection in this form be properly termed as the Static Detection to forcing press performance.Tool component 200 with
During there is relative motion between 300, the detection (as previously mentioned) of forcing press performance is properly termed as dynamic to forcing press performance
Detection.The instruments of inspection 100 according to the present invention both can be used for the performance to forming press or speciality carries out dynamic detection,
Can be used for carrying out Static Detection.This achieves the instruments of inspection 100 neatly applied according to the present invention.
If forming press to be checked has the drawing cushion facility being arranged in press bench, this drawing pad fills
Put and there are one or more drawing backing plates (or also having multiple spot setup for drawing parts if necessary), then again may be by the instruments of inspection
100 performances detecting and analyze in e measurement technology and record drawing cushion facility and speciality and this drawing cushion facility and other
The collective effect of part of pressure machine.
For this reason, being disposed with multiple workbench liner plugs 390 in the tool lower portion 300 of the instruments of inspection 100, they can axle
To the boring 311 movably extending through in substrate 310.Workbench liner plug 390 is with its bottom directly or must
When wanting can also indirectly in press bench interior support on drawing backing plate.Down or up by drawing backing plate makes
Workbench liner plug 390 moves downward or upward.
During tool component 200 and 300 moves downward in depression bar during (in measuring stroke) engagement, workbench liner core
Rod 390 is generally in position that is top or rolling away from, is therefore the 3rd plug 290 and the work in upper tool part 200 first
The workbench liner plug 390 rolling away from tool bottom 300 contacts (side contact), and this for example simulates and places clamping device
Process.When depression bar moves further downward, the drawing backing plate in press bench is pressed down against, wherein, from drawing pad
Plate is applied pressure in the lower basal plate 220 of upper tool part 200 by plug 390 and 290.Here is by drawing backing plate according to pre-
If the pressure producing can by upper tool part 200 measuring cell 230 (be in lower basal plate 220 and upper substrate 210 it
Between) detect and analyze in e measurement technology and record.By the separate or zonal analysis of measuring cell 230, also may be used
With detect and in e measurement technology analyze and record local power poor.
Drawing backing plate will necessarily lead to lower basal plate 220 phase in the inclination in press bench in upper tool part 200
Upper substrate 210 is tilted.This inclination can be examined by the tactile displacement measurement sensor 245 in upper tool part 200
Survey and analyze in e measurement technology and record, thus equally can be inferred that performance or the speciality of drawing cushion facility.Open
Measurement procedure in the measurement stroke beginning can be carried out as previously mentioned.
Inclination in press bench for the drawing backing plate can also be measured as previously mentioned by measure-axis 325.
According to elaboration regulation before, when in measuring stroke, depression bar moves downward, it is the work in tool lower portion 300 first
Station liner plug 390 is engaged with the 3rd plug 290 in upper tool part 200 or contacts, afterwards gas spring 360 and 370 with
The first and second plug 260 or 270 engagement in upper tool part or contact.Thus simulate and place in common deep-drawing technique
The process of clamping device.In order to simulate other molding and/or cutting technique, workbench liner plug 390 can also be in air pressure
Spring 360 is just contacted with the 3rd plug 290 with after 370 engagements, and this can pass through the axial length of workbench liner plug 390
And/or to be adjusted by controlling position in press bench for the drawing backing plate or motion.If drawing pad should there is no
In the case of in forming press using the instruments of inspection 100, then can remove workbench liner plug 390.
By aforesaid measurement, in measurement stroke, (decline of depression bar and upper tool part fixed thereon, if necessary in UT
In stopping and lifting) in detection the instruments of inspection 100 performance.Thus can determine forming press to be checked performance or
Speciality.Therefore, the detection of the performance to forming press to be checked or speciality or determination are not directly carried out, but pass through
The instruments of inspection 100 being arranged in forming press is carried out indirectly.
Aforementioned measurement can also similarly be carried out in instrument of opening or lifting depression bar.Additionally, measuring stroke at one
In need not carry out all aforementioned measurements.That is, when in forming press to be checked using the instruments of inspection 100, no
Must function in all e measurement technologies of application verification instrument 100 and probability.Single measurement can targetedly be applied
Function.This achieves the instruments of inspection 100 neatly using according to the present invention.
The instruments of inspection 100 can relatively fast and simply determine or detect static properties and the dynamic of forming press
Can, wherein, according to forming press, reaction loaded can be produced specific " fingerprint " for forcing press.This can be
(examination when for example purchasing) during new installation forming forcing press, in general measure (continuously inspection forcing press state and examining
Measuring pressure machine wear phenomenon) and/or on warehousing pressure machine during error correction (earlier identify forcing press fault) or to difference
Warehousing pressure machine is carried out when being compared measurement (the comparison measurement in such as comparative test forcing press and batch press procedures).
List of numerals
100 instruments of inspections
200 upper tool part
210 upper substrate
215 hot suspension ring
220 lower basal plate
230 force cells
240 frameworks
245 top displacement measurement sensors
250 spacer blocks
260 first plugs
270 second plugs
290 the 3rd plugs
300 tool lower portion
310 substrates
311 borings
315 hot suspension ring
320 measure-axis
325 measure-axis
340 frameworks
341 external frame
342 separators
343 support bars
344 support bars
345 bottom displacement measurement sensors
347 laser measurement sensors (system)
350 spacer blocks
360 first gas springs
370 second gas springs
380 alternating cylinders
390 workbench liner plugs
410 post guide members
420 guide member retainers
I-IV quadrant
Claims (9)
1. a kind of instruments of inspection (100) for determining forming press performance in real-world conditions, including：
- to be fixed in the tool lower portion (300) on squeeze station with the upper tool part (200) on depression bar to be fixed, wherein, described
Upper tool part (200) can be moved with respect to tool lower portion (300) to measure stroke by depression bar；
- multiple gas springs (360,370) acting between tool lower portion (300) and upper tool part (200), described air pressure bullet
Spring is simulated under true condition of molding in the instruments of inspection in the measurement stroke of depression bar in the case of not using workpiece to be formed
(100) power appeared in；With
- multiple measurement sensors, described measurement sensor realizes the dynamic inspection of the performance to forming press in measurement stroke
Survey, wherein,
The plurality of gas spring (360,370) has different gas springs (360；370) type, described different air pressure bullet
Spring (360；370) type has different its length and/or spring characteristic line.
2. the instruments of inspection as described in claim 1 (100) is it is characterised in that described gas spring (360,370) is grouped (I-
IV arrange), wherein, belong to one group of gas spring (360；370) it is connected with each other by pressure piping.
3. the instruments of inspection as described in claim 1 or 2 (100) is it is characterised in that above arrange in described upper tool part (200)
There are multiple compression pins (260,270) pointing to described tool lower portion, described compression pin closes in the described instruments of inspection (100)
When be pressed against on the gas spring (360,370) being arranged in tool lower portion (300).
4. the instruments of inspection as described in claim 1 or 2 (100) is it is characterised in that described upper tool part (200) has top
Substrate (210) and lower basal plate (220), are disposed with multiple pressure between described upper substrate (210) and lower basal plate (220)
Measurement sensor (230).
5. the instruments of inspection as described in claim 4 (100) is it is characterised in that described upper tool part (200) has around bottom
The framework (240) of substrate, is disposed with multiple top displacement measurements measuring towards upper substrate (210) on said frame
Sensor (245).
6. the instruments of inspection as described in claim 1 or 2 (100) is it is characterised in that described tool lower portion (300) has substrate
(310) framework (340) separately and with described substrate (310), be disposed with said frame multiple towards described substrate
(310) the bottom displacement measurement sensor (345) measuring.
7. the instruments of inspection as described in claim 6 (100) is it is characterised in that there also is provided at least on described framework (340)
One laser measurement sensor (347) measuring towards upper tool part (200).
8. the instruments of inspection as described in claim 1 or 2 (100) is it is characterised in that arrange in described tool lower portion (300)
There are multiple workbench liner plug (390), described workbench liner plug can pass through the boring (311) in substrate (310)
Support is on the drawing backing plate in the press bench of forming press.
9. the instruments of inspection as described in claim 1 or 2 (100) it is characterised in that multiple corresponding guide element (420,
410) it is arranged so as in upper tool part (200) and tool lower portion (300) above so that described guide element can be quickly and simply
Dismounting.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210013722 DE102012013722B4 (en) | 2012-07-11 | 2012-07-11 | Testing tool for determining the properties of a forming press under real conditions |
| DE102012013722.2 | 2012-07-11 | ||
| PCT/EP2013/064014 WO2014009218A1 (en) | 2012-07-11 | 2013-07-03 | Testing tool for determining the properties of a forming press under actual conditions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104487236A CN104487236A (en) | 2015-04-01 |
| CN104487236B true CN104487236B (en) | 2017-03-08 |
Family
ID=48790390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380038816.7A Active CN104487236B (en) | 2012-07-11 | 2013-07-03 | For determining the instruments of inspection of forming press performance in real-world conditions |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104487236B (en) |
| DE (1) | DE102012013722B4 (en) |
| WO (1) | WO2014009218A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015101326B4 (en) * | 2015-01-29 | 2020-07-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Measuring device and forming device with a measuring device |
| DE102016011604A1 (en) | 2016-09-26 | 2018-03-29 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Method for laying out a distribution and / or arrangement of sleeves on a die cushion for a tool for processing a sheet metal part and computer program with program code means in which the method is executed and / or controlled |
| JP6660032B2 (en) * | 2017-03-28 | 2020-03-04 | Ｊｆｅスチール株式会社 | Apparatus and method for measuring press forming load |
| JP2023506457A (en) | 2019-12-10 | 2023-02-16 | バーンズ グループ インコーポレーテッド | Wireless sensor, storage medium and smart device application method |
| CN111721562A (en) * | 2020-06-05 | 2020-09-29 | 扬力集团股份有限公司 | Energy testing device for press |
| DE102021104545B3 (en) | 2021-02-25 | 2022-02-17 | Audi Aktiengesellschaft | Press system, press change assistant device and method for operating a press system |
| CN114713735B (en) * | 2022-05-16 | 2022-08-26 | 济南二机床集团有限公司 | Workbench of die testing press machine and using method thereof |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8200607U1 (en) * | 1982-05-19 | Siemens AG, 1000 Berlin und 8000 München | Measuring device for determining the static and dynamic characteristics of presses | |
| US5007817A (en) * | 1990-01-19 | 1991-04-16 | Wallis Bernard J | Press with die cushion gas monitor |
| DD297602A5 (en) * | 1990-09-12 | 1992-01-16 | Techn. Universitaet Dresden,Direktorat Forschung, Patentabteilung,De | DEVICE FOR CHECKING PRESSES |
| US5457980A (en) * | 1992-11-05 | 1995-10-17 | Toyota Jidosha Kabushiki Kaisha | Method and device for controlling, checking or optimizing pressure of cushion pin cylinders of press by discharging fluid or initial pressure |
| DE4337825A1 (en) * | 1993-11-05 | 1995-05-11 | Erfurt Umformtechnik Gmbh | Process for simulating the load-dependent ram tilting of mechanical presses on a hydraulic incorporation press |
| DE10041237B4 (en) * | 2000-08-22 | 2006-02-02 | Engberts & Schäfer GmbH | Method and device for detecting machine quality on stop presses |
| JP4343574B2 (en) * | 2003-04-15 | 2009-10-14 | 株式会社放電精密加工研究所 | Press molding machine |
| DE102010008255A1 (en) * | 2010-02-17 | 2011-08-18 | GM Global Technology Operations LLC, ( n. d. Ges. d. Staates Delaware ), Mich. | Press for forming body parts for car from flat material, has assembling areas distributed in intermediate space between carriers and molding tools in regular pattern, where supports are fastenable at assembling areas |
| DE102010033001B3 (en) * | 2010-07-31 | 2011-12-29 | Audi Ag | Testing apparatus for examining operability of deep drawing press, has measuring body inserted between pressing desk and press ram, where functionality of drawing press is determined by comparing forces of measuring body |
| CN102248697A (en) * | 2011-03-29 | 2011-11-23 | 江苏扬力集团有限公司 | Calibration method for air-pressure automatic regulation of press |
-
2012
- 2012-07-11 DE DE201210013722 patent/DE102012013722B4/en active Active
-
2013
- 2013-07-03 CN CN201380038816.7A patent/CN104487236B/en active Active
- 2013-07-03 WO PCT/EP2013/064014 patent/WO2014009218A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN104487236A (en) | 2015-04-01 |
| WO2014009218A1 (en) | 2014-01-16 |
| DE102012013722A1 (en) | 2014-05-15 |
| DE102012013722B4 (en) | 2014-10-09 |
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