CN109641257A - Mold and device for locating engagement element or for riveting engagement - Google Patents
Mold and device for locating engagement element or for riveting engagement Download PDFInfo
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- CN109641257A CN109641257A CN201780051982.9A CN201780051982A CN109641257A CN 109641257 A CN109641257 A CN 109641257A CN 201780051982 A CN201780051982 A CN 201780051982A CN 109641257 A CN109641257 A CN 109641257A
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- mold
- monitoring element
- mould part
- spring
- monitoring
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- 238000012544 monitoring process Methods 0.000 claims abstract description 75
- 238000000034 method Methods 0.000 claims description 38
- 230000008569 process Effects 0.000 claims description 37
- 230000033001 locomotion Effects 0.000 claims description 14
- 238000004080 punching Methods 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 2
- 230000006378 damage Effects 0.000 description 14
- 241000446313 Lamella Species 0.000 description 9
- 230000035882 stress Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000036961 partial effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 241001400675 Sympodium Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000000418 atomic force spectrum Methods 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 229910052738 indium Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 230000000284 resting effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/02—Riveting procedures
- B21J15/025—Setting self-piercing rivets
-
- 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
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
- B21D39/031—Joining superposed plates by locally deforming without slitting or piercing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
- Punching Or Piercing (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Forging (AREA)
Abstract
The mold (14) that the present invention relates to a kind of for engagement device is attached to mold (14) for monitoring at least one monitoring element of operability of mold (14).
Description
Background technique
Become known for engagement in various embodiments or for joint element to be placed on workpiece or be used for without additional
The device of riveting workpiece in the case where element.Corresponding device is generally included with the punching unit and mold that can drive formed punch,
Wherein, it can be positioned between punching unit and mold for the workpiece of processing.
It, can be by function element or rivet, solid punch rivet, semi-hollow punch rivet and riveting riveting by described device
Nail is applied on workpiece.
According to engagement task or workpiece to be processed or add ons, described device, especially mold, it is necessary to meet different
Requirement.In the case where mold has the mould part moved in engaging process, the structure of mold is heavier, problem area
Domain is also more complicated.
Up to the present, for all problems situation in current application, there are no newest or practical solutions.
Objects and advantages of the present invention
It is an object of the present invention to provide the device of type described in introduction and mold, described device and mold are constituted
To known arrangement, especially there is high request to the continuous processing industry in high circulation rate or fully automatic working process applications
Modern environment in arrangement actual augmentation.
The purpose is realized by independent claims.Dependent claims are related to Advantageous variants of the invention.
The present invention is based on a kind of for engaging --- such as stamping riveting, riveting or rivet --- device
Mold.According to the first aspect of the invention, mold is attached to for monitoring at least one monitoring element of functional die.Cause
This, is mainly contemplated that most important situation and process to whole process, can direct monitoring assembly, particularly mold.
By be adapted to completely with the function of mold and/or structure/it is consistent in a manner of design monitoring element.
Preferably, monitoring element is operated independently of punching unit.
The functional requirement of mold engaging force in engaging process acts on workpiece or rivet.In engaging process, rushing
The accumulation of power is formed between head and mold.Formed punch can be moved relative to mold along the engagement axis of mold or engagement device, wherein work
Part is located on mold and/or is supported on mold.
Preferably, monitoring element is designed as continuously detecting the state or function of mold, and provides or transmit corresponding information
?.Preferably, monitoring element is the independent assembly relative to mold, or alternatively, monitoring element is to be provided integrally at
Component on mold.
Advantageously, monitoring element could attach to be subjected to dull die part it is separated or independently of its setting.Cause
This, during longer service life, monitoring element itself is available, or can prevent from adversely affecting.
Particularly, through the invention, the mold state of " functionality " and " non-functional " can be not only easily distinguished, and
And it can also identify the state before mould invalidation or before non-functional.
Information relevant to mold state, which is provided from monitoring element to ambient enviroment, to be realized by various modes, example
Such as, by being transferred to superior unit (such as monitoring or closed loop or opened loop control unit) and/or by ambient enviroment or entire system
System provides warning or status signal.
For example, monitoring element so designs: being mentioned by binary message item, such as in a manner of " OK " or " not OK "
For detectable state and/or function.
However, by monitoring element provide information be also it is possible, in each case, from multiple mutually different information
One information content is only provided in content item.For example, different information content items can be provided, to distinguish state, such as " damage
It is bad ", " abrasion ", " blocking " etc., to make statement with regard to the specific function of particular elements and/or mold in each case.Example
Such as, an item of information can be related with the state of removable mould part and/or function.For example, another item of information allows to position
The state and/or function of fixed mould part are assessed.For example, other ground items of information about die springs it can be concluded that fill
The conclusion of the state and/or function set.
The monitoring of mold and superior unit or ambient enviroment provide or transmission information can be continuously, or can be with
It is that interval carries out.
For example, monitoring unit is computer based monitoring unit, the dress for placing joint element is preferably monitored
It sets or for providing the device of mold engagement.
According to another aspect of the present invention, at least one monitoring element is attached on mold, and the monitoring element is for supervising
Survey the engaging process for being intended to can execute by mold.Therefore, regardless of the state of mold, or in unspoiled mold state
Or in the case where dull die state, state caused by all can determine due to mold improper use.
For example, this can be workpiece or each workpiece layer relative to mold in the case where new die or desired mold
It is properly oriented within or correct position tilts or positions with deviateing.For example, this may cause removable mould part relative to each other
Uneven movement and/or the uneven bending of each element of spring arrangement, this for example can compare actual characteristic by monitoring element
It is identified with setting property, and mark with corresponding mistake.
It is advantageously possible to obtain about being carried out on workpiece (for example, junction) in addition, by the monitoring to engaging process
The property of deformation or the conclusion of quality.For example, in the case where riveting or rivet, it can be deduced that at corresponding joint
Realize the conclusion of the undercutting of workpiece layer.
In addition, if monitoring element is coupled to following mould parts of mold --- the mould part passes through during engagement
It is moved by as caused by engaging process, it is advantageous, wherein monitoring element especially monitors the movement of removable mould part.
By the way that monitoring element is coupled to removable mould part, the state of removable mould part can be directly detected, and reliably
The related information items for having high information value are provided.This is especially beneficial, because removable mould part is usually formed mold
Critical component.This is because removable mould part dynamically, relatively highland mechanical load.Function is trouble-free removable
Moving mold part is the prerequisite that mold works.Therefore, during engagement the problem of, is generally attributable to removable mold
The function of dividing is incorrect, damages or lacks completely, carries out problem knowledge in an advantageous manner by mold according to the present invention as a result,
Not.
The coupling of the mould part of monitoring element and mold is interpreted as: it means each in a manner of dependent on individual cases
The various relationships of adaptive corresponding mould.For example, coupling can refer to being directly connected between monitoring element and mould part (such as
Physical connection) or be indirectly connected with.In addition, coupling can be it is permanent or impermanent.In engaging process, the property of coupling
It may change, for example, forming indirect coupling between monitoring element and removable mould part in the first operational phase of mold
It closes, and in later point for example, forming direct-coupling with abutting contact between monitoring element and mould part.
For example, coupling is the abutting contact between monitoring element and removable mould part, wherein monitoring element is configured to
So that when removable mould part is mobile by the way that abutting contact occurs when predetermined shift motion, this for mold failure or may
Distress condition it is particularly useful.It preferably, is in engaging process can by the shift motion of the mould part of coupled inferring
The last part for the stroke realized before part arrival end position or the resting position of moving moulds by removable mould part.
The fact that burn failure usually can deviate the standard stroke covered from the shift motion of removable mould part identifies.Root
According to the present invention by monitoring element from mold identify dependent deviation.
It is further advantageous that monitoring element is coupled to following mould parts of mold: the mould part is movably disposed
On mold.
In the case of damages, moving mould part possibly can not for example reach just in the decline of its shift motion
Really or standard end position, or possibly can not be static in end position, but may before the end position or it
It is static afterwards, or non-standard or incorrect movement can be can be carried out, for example, speed is more compared with the correct normal conditions of function
Perhaps speed is slower or non-uniform fastly, it is suddenly slow fastly to neglect.
For example, removable mould part or multiple removable mould parts can be moved in the case where burn failure
Except end position, the end position is the correct end position of mould part shift motion in the case where no damage.
Removable mould part can be the removable section with the mold of workpiece interaction, and/or act on mold
Removable section on spring arrangement a part, such as yoke-like spring, elastic ring or other mechanical springs.
Furthermore it is advantageous that monitoring element is coupled to secondary structure, wherein the secondary structure and mold it is removable
The interaction of the mould part on mold is arranged in ground.Secondary structure is for example formed by spring arrangement, in removable moving mold
Power or torque are provided on part.For example, secondary structure includes the part being movably disposed on mold in itself.Preferably, exist
Secondary structure is relatively easily touched on mold or secondary structure forms the region on the outside of such as mold, or is attached to mold
Partial outside.
In an advantageous embodiment of the invention, monitoring element includes sensor device.By sensor device, such as
Using commercially available sensor, mold can be monitored in a economically advantageous manner.In particular, needed for function monitoring
Various parameters can be reliably detected, and for example feed back to superordinate elements in a wired fashion.
Further modification according to the present invention, monitoring element include strain gauge.It, can be to save space-efficient using strain gauge
Mode is continuous, accurately monitors the element of mold being loaded mechanically.The plane pattern and small thickness of strain gauge to strain
Meter can be unquestionably contained on mold.In addition, particularly, being provided on strain gauge for corresponding with line arrangement
The contact of contact contact.
Pass through at least one strain gauge --- wherein it is preferred that multiple strain gauges are arranged, particularly it is possible to detect two
Stress in level structure or be coupled to strain gauge mould part damage, and identify and the deviation of standard feature.Preferably, it answers
Become meter and is coupled to the spring arrangement for acting on removable mould part or especially contacting with removable mould part.If mould
Tool or removable mould part and/or spring arrangement itself is damaged or failure, this will affect by strain gauge detection to bullet
The stress characteristics of spring device.
Particularly, the influence of impaired removable mould part is the spring for distributing to impaired removable mould part
The behavior of the part of device is different from undamaged normal conditions.This causes to have exceeded the nonstandard of permissible range floor spring device
Non-homogeneous stress distribution in quasi- stress state or spring arrangement.Non-homogeneous stress distribution in spring arrangement is by preferred multiple
Strain gauge identification or detection, the multiple strain gauge would be preferably attached to spring arrangement, wherein corresponding detection signal can be from
Strain gauge is transferred to superordinate elements.
Alternatively or additionally, monitoring element advantageously has force snesor, for example, piezoelectric element.
Furthermore it is advantageous that monitoring element includes sensor, such as strain gauge, it is used to persistently provide measuring signal, with
The engaging process that monitors the function of mold and/or can be executed by mold.Therefore, can carry out in entire engaging process can
The mold leaned on and process monitoring.The failure in mold or engaging process is identified immediately.Therefore excessive technology damage can be excluded
Wound or economic loss.
A further advantage is that monitoring element so configures: if being coupled to the mould part of monitoring element
The load being subjected to except normal load state then provides relevant measuring signal.Therefore, at least (logical in the critical state of mold
Often mean the critical state of engaging process) under, measuring signal can be generated.Thus identify that the trouble or failure of mold.It is preferred that
, further movement or measure can be started, automatically by measuring signal so as to realize high process reliability.
Design for monitoring element is it is further advantageous that be supplied to superordinate elements for measuring signal.Preferably, superordinate elements
It is the monitoring unit for example for process control.Measuring signal is provided particularly as electric signal.It, can be quick by superordinate elements
Effectively start scheduled follow-up.
In more favorable modification, monitoring element includes multiple sensors.Multiple lists of same type are preferably provided
Only sensor or multiple identical sensors.This is particularly advantageous in the case where the mold of symmetrical structure.This is because this
Sample can identify the deviation of symmetry in motion outline.For example, nominally, in engaging process, removable dynamic model
Multiple components being arranged symmetrically of tool part move in the same manner.Advantageously, one in multiple components of mould part is moved
The damage of component or failure can so be detected by sensor: its deviation is distributed to the sensor and is for example attached to thereon
The normal conditions or standard feature of corresponding component.The behavior of corresponding component is different from normal conditions, or is different from removable moving mold
Partial other or unspoiled component.
This is correspondingly applied to fixing mould part, wherein in the case where fixing mould partial destruction, this is identified
Come.
For example, multiple strain gauges are arranged on mold, particularly, in respective situation, for each removable mold
Divide and relevant sensor is provided.Additionally or alternatively, it may be preferable that in the spring arrangement be made of multiple spring elements
Each spring element corresponding relevant sensor is provided.
As sensor, such as strain gauge and/or piezoelectric element can be used.
Further advantageous embodiment according to the present invention, monitoring element include exactly two sensor.It is thereby achieved that can
The function monitoring leaned on, and spend relatively fewer.Exactly two sensor or strain gauge are preferably provided, or just three or
Just four sensors or strain gauge, particularly, there are two molds or three or four removable mould parts, in each situation
Under, the relevant spring members effect of one of spring arrangement is on it.
It is further advantageous that monitoring element includes just three or just four sensors.Therefore, for multiple fixations
And/or for the relative complex mold of multiple removable mould parts, it can also be monitored by the high value of information.
Advantageously, mold has a removable mould part, the removable mould part with for can reset movement bullet
The interaction of spring device.Therefore, the shifting of removable mould part (such as die segments) accurately repeated can be pre-defined
Dynamic and installation.
Another advantageous modification according to the present invention, mold have spring arrangement, and the spring arrangement has flexible
The spring arm of property.Spring arm can accommodate in a compact fashion, or can be set as having not by predetermined size and material
Same active phase.
In addition, advantageously having multiple elastic movable spring arms to spring arrangement, wherein a removable mold
Distribute to a spring arm.Preferably multiple removable mould parts are arranged on mold, wherein each mould part
In each case by an identical partial action of spring arrangement, such as by a spring arm of multi-arm yoke-like spring
Effect.
Advantageously, mold tool is there are four removable mould part, and in all cases, removable mould part passes through spring
One spring arm of device is resiliently displaceable.It is, therefore, possible to provide the mold at symmetrical junction, especially has relative to mold
Four mould parts can radially outward deflecting of axis and there are four spring arms of correspondingly radial deflection.Preferably, spring
Arm is so formed, and at one in the bar-spring arm of four bendings and connection, formation is connected to having at a point
The cross-spring of four spring arms.Preferably, mold is symmetrical structure.
In addition, the present invention expand to it is a kind of for joint element to be placed on workpiece or is used to riveting engagement workpiece
Device, the die unit including punching unit and relative positioning can be clipped in punching press by the workpiece that described device is processed
Between unit and die unit, wherein die unit includes according to one mold in above-described embodiment.It is according to the present invention
Device is, for example, to have riveting or the rivet tool of C-shaped or O shape bracket or cylindrical frame, punching unit and relative positioning
Mold is arranged on the bracket or frame.Preferably, described device can be used for riveting process, for example, riveting rivet and/or
For riveting or riveting engagement.
Detailed description of the invention
Based on according to arrangement of the invention shown in figure, other features and advantages of the present invention will be discussed in more detail,
Wherein specifically:
Fig. 1 shows the high-level schematic details of the known riveting set when riveting process starts with two layers of workpiece,
Wherein, the part of riveting set is omitted,
Fig. 2 shows the arrangement of Fig. 1 at the end of riveting process,
Fig. 3 shows the workpieces processing of Fig. 2 after riveting process,
Figure 4 shows in side view mold according to the present invention,
Fig. 5 shows the longitudinal section of the mold of Fig. 4,
Fig. 6 shows the mold of Fig. 4 viewed from above,
Fig. 7 shows the insertion piece of the mold of Fig. 4 with the oblique perspective seen from below, and
Fig. 8 shows separately the spring arrangement of the mold of Fig. 4 with monitoring element.
Fig. 1 is highly schematically shown just before the deformation process of workpiece 4 for riveting or riveting engagement workpiece 4
Known devices 1.Riveting set 1 has the mold 3 of punching unit 2 and relative positioning, and workpiece 4 positions or be placed on the punching press
Between unit and the mold.Workpiece 4 includes the upper workpiece layer 5 in formed punch side and the lower workpiece layer 6 in die side.For example,
In various situations, workpiece layer 5 and workpiece layer 6 are the metal plates of plastically deformable.Pass through riveting set 1, two workpiece layers 5 and 6
It is deformed at tie point 13, after a deformation, so that two workpiece layers 5 and 6 are fixedly secured to one another.Here, forming upper workpiece layer 5
The undercutting HS of material area relative to lower workpiece layer 6.
Punching unit 2 includes formed punch mandrel 7 in its preceding free end for being directed toward mold 3.It is located in Fig. 1 with its face side
Formed punch mandrel 7 on the top side of undeformed workpiece layer 5 can be acted on by power, or along engagement on the direction P1 towards mold 3
Axis S is moved in a driving manner, and after riveting process, is returned along direction P2, for this purpose, driving device (not shown) is provided,
For example, electronic or hydropneumatic driving unit.
Mold 3 includes that the cylindrical inner part 8 internal, position is fixed is supported by four on the top side of the inner part
A displaceable element, the element is surrounded engagement axis S in a circumferential direction and is offset each other with an angle of 90 degrees, wherein can see that two
Opposite element 9 and 10.
Element 9 and 10 is maintained as to be moved radially outward relative to engagement axis S along P3, moves radially inwardly along P4.
For this purpose, providing spring arrangement, it is pressed in a manner of preloading on the outside of displaceable element 9 and 10.Spring arrangement is by can bullet
Property bending/deformation spring arm 11 and 12 formed.Spring arm 11 and 12 is in initial position (Fig. 1) towards their free end or edge
Slightly askew inwardly engagement axis S is oriented in the direction P2.
Fig. 2 shows when formed punch mandrel 7 is at the end of riveting process --- be at that time moved on the P1 of direction utmostly,
And element 9 and 10 deflects on the P3 of direction --- mode of operation, wherein spring arm 11,12 is relative to the initial of Fig. 1
Position elasticity on the P3 of direction is bent outwardly, and is roughly parallel to engagement axis S and is extended.
When formed punch mandrel 7 moves back on the P2 of direction, the spring force of spring arm 11,12 makes element 9 and 10 along direction
P4 resets to the initial position of Fig. 1 again.
Displaceable element 9 and 10 is arranged between fixing section (not shown), and the deformable material of workpiece 4 can be made to exist
Undercutting HS or lag flowing are formed at tie point 13.
Formation for tie point 13, most basic is the failure-free operation of spring arm 11,12, is not damaged especially.
Particularly, if all spring arms 11,12 or multiple spring arms 11,12 that provide on mold are all adjustable in a predetermined manner, and
And preferably each spring arm provides identical spring force or identical spring force profile in riveting process, then 1 function of device
Normally operate.
Fault orientation or positioning of the workpiece on mold, and/or the not formed optimal connection in the engaging process of monitoring
Point is also unfavorable, and can be identified reliably and practically through the invention.
In addition, damage, abrasion and/or the dirt of mold or spring arm 11,12 can generate the function of spring arm 11,12
Adverse effect, this causes 3 function of mold abnormal, and then lead to incorrect formation or defective tie point 13, especially
Connective stability needed for the connection of workpiece layer 5 and 6 cannot be provided.
The present invention solves the problems, such as this, wherein in engaging process or in the operating process of engagement device, passes through prison
Survey the monitoring that element realizes functional die.
Fig. 4 to Fig. 8 is related to mold 14 according to the present invention, and the mold is used for the riveting or riveting of undeformed workpiece W
The related clincher tool of engagement, the workpiece W are as shown in phantom in Figure 4.By mold 14, formed on the workpiecew relative to connecing
The symmetrical riveting point sympodium S.
By mold 14, dotted facade can be especially generated on the bottom surface of the mold, side and workpiece W, and
The workpiece W of engagement different-thickness neatly can be riveted or riveted using a tool group.Mold 14 allows relevant riveting
Device is opposite section space-efficient, has elongated form, is characterized in that possible on high accessibility and mold 14
Minimum stops profile.
The mold insert 16 that mold 14 has die main body 15 and is inserted into 15 top of die main body, mold insertion
Part includes top 16a and four lamellas 21,22,23 and 24 for being slidably retained on the 16a of top.In die main body 15 and mould
Have between insertion piece 16, provides spring arrangement, be formed as such as yoke-like spring or cross-spring 25.Such as by spring steel group
At cross-spring 25 have cross lower part 30, on it there are four bar-spring arm 26,27,28 and 29 via bending radius
Angularly/obliquely project upwards.Instead of cross-spring 25, spring arrangement can also be different design, for example, can wrap
Include elastic ring, helical spring or other technologies spring.Mold insert 16 passes through the clamping pin 34 that can be inserted into via corresponding opening
It is fixed in the correct position on die main body 15.By fixed mold insert 16, cross-spring 25 is also secured at mould
On tool 14.
In order to monitor the function of mold 14, monitoring element 31 is provided on the bottom surface of 25 lower part 30 of cross-spring.Monitoring member
Part 31 is for example formed by the strain gauge of two bar shapeds 32 and 33, the bar shaped strain gauge arranged crosswise, and passes through each
(being made of two conductor wires) end 32a, 33a be introduced to the outside or coupled of mold 14.Such as it is adhered to lower part
Strain gauge 32,33 on 30 bottom surface extends through the main portion of the length of four parts of lower part 30 on the bottom surface of lower part 30
Point, four partial intersections orientation, wherein each of four parts are all transited into one in four spring arms 26 to 29
It is a.Therefore, strain gauge 32,33 detects all stress states of entire cross-spring or four spring arms 26 to 29, especially such as
Fruit spring arm 26 to 29 is deformed or is moved in engaging process, this often means that outward and in direction P4 on the P3 of direction
The elastic deflection of upper return moves.
Such as in the damage of one or more lamellas 21 to 24, and/or the damage of cross-spring 25 or spring arm 26 to 29
In the case of the damage of at least one spring arm, unevenly answering for four spring arms 26 to 29 can be detected by strain gauge 32,33
Power distribution.The measurement of correlation signal of two strain gauges 32,33 is via the route being bonded on end 32a, 33a transmission (not shown)
It is handled to monitoring unit, and there, for example, to export caution signal and/or error message.
Die main body 15 includes solid cylindrical base 35, its neighbouring top has the shell 36 of thin-walled or sleeve shaped.
In the open side of the formed punch towards related clincher tool of shell 36, four are formed with an angle of 90 degrees phase in a circumferential direction from top
For the slot 37 to offset each other, these slots extend through the major part of 36 length of shell.Shell 36 is surrounded for accommodating mold
The reception space of insertion piece 16 and cross-spring 25.The assembling for the mold 14 being made of component 15,16,25,32,33 and 34 is torn open
Unloading can be carried out by seldom easy steps.
The structure of 14 top side of mold can be particularly apparent that from Fig. 5 and Fig. 6.In section as shown in Figure 5, on edge
On circumferencial direction, between four lamellas 21 to 24 being in U-shape, four fixed parts of top 16a are provided, in riveting process
In, each fixed part provides planar support region 17,18,19 and 20 for the workpiece W of related clincher tool processing can be used.
The respective plane top side setting of lamella 21 to 24 it is identical with supporting zone 17 to 20 horizontal or and its in same plane E
In.It is that the workpiece W of plane starts the top that the bottom surface Shi Yiqi is supported on supporting zone 17 to 20 in riveting process on usual bottom side
(see Fig. 5) on upper and lamella 21 to 24 the top side being located in plane E.The mold indentions 38 of the upward opening of mold 14 are supported
Region 17 to 20 and lamella 21 to 24 surround, and form the central concave with a depth on the workpiecew, and the depth is in bottom
Having preset can be by the protrusion length for the riveting point that mold 14 generates.
In the case where mold 14 of function normal operating, in order to generate symmetrical riveting or tie point, lamella 21 to 24,
To which spring arm 26 to 29 is radial or deflects on the P3 of direction, until reaching scheduled inflection point.In riveting process, pass through
The punching press of the formed punch (not shown) of related clincher tool, which acts, to be realized, the formed punch can move in a driving manner along engagement axis S,
In, the workpiece material of deformation forces lamella 21 to 24 radially outward (moving) to arrive such degree --- for example to all four
Spring arm 26 to 29 or its longitudinal axis are parallel to the degree of engagement axis S, or are for example aligned with the wall of shell 36.Here, spring arm 26
The material free region of slot 37 is inserted into outward to 29 from radially inner side, to provide spring arm 26 to 29 in respective situation
Deflect shift motion.
When strain gauge 32,33 is attached on cross-spring 25, the damage of mold 14 or failure are gone out by Direct Recognition immediately
Come, it is especially true in the operating process of riveting set.Therefore, according to the present invention, the function to mold 14 is reliably provided
Monitoring or the instruction of malfunction or damage.
Reference signs list:
1 device
2 punching units
3 molds
4 workpiece
5,6 workpiece layer
7 formed punch mandrels
8 inner parts
9,10 element
11,12 spring arm
13 tie points
14 molds
15 die main bodies
16 mold inserts
16a upper-part
17-20 supporting zone
21-24 lamella
25 cross-springs
26-29 spring arm
30 lower components
31 monitoring elements
32 strain gauges
The end 32a
33 strain gauges
The end 33a
34 clamp pin
35 pedestals
36 shells
37 slots
38 mold indentions
Claims (18)
1. a kind of mold (14) of the device for being used to engage, which is characterized in that for monitoring the function of the mold (14)
At least one monitoring element (31) be attached on the mold (14).
2. mold (14) as according to the preamble of claim 1, mold especially as described in claim 1, feature exist
In at least one monitoring element (31) is attached on the mold (14), and the monitoring element is intended to pass through for monitoring
The engaging process that the mold (14) executes.
3. mold as described in claim 1 or as claimed in claim 2, which is characterized in that monitoring element (31) coupling
To the mould part of the mold (14), the mould part is subjected to moving as caused by engaging process during engagement, wherein
The monitoring element (31) especially monitors the movement of removable mould part.
4. mold as described in any one of the preceding claims, which is characterized in that the monitoring element (31) is coupled to described
The mould part that can be movably arranged on the mold of mold (14).
5. mold as described in any one of the preceding claims, which is characterized in that the monitoring element is coupled to secondary structure,
Wherein, the mould part phase interaction that can be movably arranged on the mold (14) of the secondary structure and mold (14)
With.
6. mold as described in any one of the preceding claims, which is characterized in that the monitoring element (31) includes sensor
Structure.
7. mold as described in any one of the preceding claims, which is characterized in that the monitoring element (31) includes strain gauge
(32,33).
8. mold as described in any one of the preceding claims, which is characterized in that the monitoring element (31) includes sensor,
Such as strain gauge (32,33), be used to constantly provide measuring signal, with monitor the mold (14) function and/or can
The engaging process executed by the mold (14).
9. mold as described in any one of the preceding claims, which is characterized in that the monitoring element (31) is configured to, if
The mould part for being coupled to the monitoring element (31) is subjected to load except normal load state, then provides relevant measurement letter
Number.
10. mold as described in any one of the preceding claims, which is characterized in that the monitoring element (31) is designed as upwards
Grade unit provides measuring signal.
11. mold as described in any one of the preceding claims, which is characterized in that the monitoring element (31) includes multiple biographies
Sensor.
12. mold as described in any one of the preceding claims, which is characterized in that the monitoring element (31) includes just two
A sensor.
13. mold as described in any one of the preceding claims, which is characterized in that the monitoring element include just three or
Just four sensors.
14. mold as described in any one of the preceding claims, which is characterized in that the mold (14) has moveable mould
Tool part (21-24), the moveable mould part with for can reset movement spring arrangement (25) interact.
15. mold as described in any one of the preceding claims, which is characterized in that the mold (14) has spring arrangement
(25), the spring arrangement has the spring arm (26-29) for capableing of flexible deformation.
16. mold as described in any one of the preceding claims, which is characterized in that the spring arrangement (25) has multiple bullets
The moveable spring arm (26-29) of property a, wherein mould part (21-24) distributes to a spring arm (26-29).
17. mold as described in any one of the preceding claims, which is characterized in that there are four can move mold (14) tool
Dynamic mould part (21-24), the mould part pass through a spring of the spring arrangement (25) in respective situation
Arm (26-29) can be moved flexibly.
18. a kind of for joint element to be placed on workpiece or be used for rivet the device of engagement workpiece, including punching unit and
The die unit relatively positioned can be clipped in the punching unit and the mold by the workpiece that described device is processed
Between unit, wherein the die unit includes mold (14) as described in any one of the preceding claims.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016115595.0 | 2016-08-23 | ||
| DE102016115595.0A DE102016115595A1 (en) | 2016-08-23 | 2016-08-23 | Die and device for setting a joining element or for clinching |
| PCT/EP2017/070965 WO2018036932A1 (en) | 2016-08-23 | 2017-08-18 | Die and device for positioning a joining element or for clinch joining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109641257A true CN109641257A (en) | 2019-04-16 |
Family
ID=59683574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780051982.9A Pending CN109641257A (en) | 2016-08-23 | 2017-08-18 | Mold and device for locating engagement element or for riveting engagement |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20190255590A1 (en) |
| JP (1) | JP2019526451A (en) |
| CN (1) | CN109641257A (en) |
| DE (2) | DE102016115595A1 (en) |
| WO (1) | WO2018036932A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2024022740A (en) * | 2022-08-08 | 2024-02-21 | プライムプラネットエナジー＆ソリューションズ株式会社 | Battery and manufacturing method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000061559A (en) * | 1998-08-25 | 2000-02-29 | Sanyo Mach Works Ltd | Device for bonding thin metal sheets and quality control method of bonded part |
| DE102004002593A1 (en) * | 2003-01-16 | 2004-07-29 | Tox Pressotechnik Gmbh & Co. Kg | Checking process for machine tools, e.g. presses, involves using liquid or gas checking medium supplied to cavities in regions at risk at measured pressure |
| US20040170473A1 (en) * | 2001-04-04 | 2004-09-02 | Eugen Rapp | Werkzeug zum nietartigen verbinden |
| DE10327886A1 (en) * | 2003-06-20 | 2005-01-20 | Prokos Produktions-Kontroll-System Gmbh | Floor thickness measuring method e.g. for connection points, involves processing signals and calculating process signals over computation algorithm for thickness |
| DE102004038922A1 (en) * | 2004-08-11 | 2006-02-23 | Manfred Kern | Method for joining plates through clinching involves working stroke by means of punch and die with movable die part which is moved sidewise whereby tool and outer diameter of point of joining is controlled during joining process |
| US20060243013A1 (en) * | 2003-02-14 | 2006-11-02 | Srecko Zdravkovic | Automated monitoring for clinching joints |
| US20070084045A1 (en) * | 2005-10-14 | 2007-04-19 | Pei-Chung Wang | Monitoring system for clinching process |
| CN102784841A (en) * | 2012-07-11 | 2012-11-21 | 江苏大学 | Combined type precision sheet metal stamping and riveting mould |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015006419A1 (en) | 2015-05-19 | 2015-12-03 | Daimler Ag | Method and device for monitoring a joining process |
-
2016
- 2016-08-23 DE DE102016115595.0A patent/DE102016115595A1/en not_active Withdrawn
-
2017
- 2017-08-18 DE DE112017004191.0T patent/DE112017004191A5/en not_active Withdrawn
- 2017-08-18 JP JP2019510920A patent/JP2019526451A/en active Pending
- 2017-08-18 CN CN201780051982.9A patent/CN109641257A/en active Pending
- 2017-08-18 WO PCT/EP2017/070965 patent/WO2018036932A1/en active Application Filing
-
2019
- 2019-02-21 US US16/281,396 patent/US20190255590A1/en not_active Abandoned
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000061559A (en) * | 1998-08-25 | 2000-02-29 | Sanyo Mach Works Ltd | Device for bonding thin metal sheets and quality control method of bonded part |
| US20040170473A1 (en) * | 2001-04-04 | 2004-09-02 | Eugen Rapp | Werkzeug zum nietartigen verbinden |
| DE102004002593A1 (en) * | 2003-01-16 | 2004-07-29 | Tox Pressotechnik Gmbh & Co. Kg | Checking process for machine tools, e.g. presses, involves using liquid or gas checking medium supplied to cavities in regions at risk at measured pressure |
| US20060243013A1 (en) * | 2003-02-14 | 2006-11-02 | Srecko Zdravkovic | Automated monitoring for clinching joints |
| DE10327886A1 (en) * | 2003-06-20 | 2005-01-20 | Prokos Produktions-Kontroll-System Gmbh | Floor thickness measuring method e.g. for connection points, involves processing signals and calculating process signals over computation algorithm for thickness |
| DE102004038922A1 (en) * | 2004-08-11 | 2006-02-23 | Manfred Kern | Method for joining plates through clinching involves working stroke by means of punch and die with movable die part which is moved sidewise whereby tool and outer diameter of point of joining is controlled during joining process |
| US20070084045A1 (en) * | 2005-10-14 | 2007-04-19 | Pei-Chung Wang | Monitoring system for clinching process |
| CN102784841A (en) * | 2012-07-11 | 2012-11-21 | 江苏大学 | Combined type precision sheet metal stamping and riveting mould |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016115595A1 (en) | 2018-03-01 |
| WO2018036932A1 (en) | 2018-03-01 |
| DE112017004191A5 (en) | 2019-05-02 |
| JP2019526451A (en) | 2019-09-19 |
| US20190255590A1 (en) | 2019-08-22 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190416 |
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