CN109475986A - Engage the clamping device and engagement equipment of equipment - Google Patents
Engage the clamping device and engagement equipment of equipment Download PDFInfo
- Publication number
- CN109475986A CN109475986A CN201780045275.9A CN201780045275A CN109475986A CN 109475986 A CN109475986 A CN 109475986A CN 201780045275 A CN201780045275 A CN 201780045275A CN 109475986 A CN109475986 A CN 109475986A
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- Prior art keywords
- clamping device
- fixture
- force
- magnetic
- clamping
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to a kind of engagements equipment (2), it is based particularly on the clamping device (6) of the engagement equipment (2) of ray, the clamping device has the receptacle (6.1) for the first joint element (8), clamping component (6.2) and the first fixture (6.3), wherein, first fixture (6.3) and clamping component (6.2) are in power transmitting connection and the first engaging force are applied in this wise on the second joint element (10), so that the second joint element (10) is pre-tightened with the second joint surface (10.1) to the first joint surface (8.1) of the first joint element (8).The clamping device (6) of connecting rod or the like is not needed in order to provide a kind of between clamping component (6.2) and the first fixture (6.3) and is proposed, the power between clamping component (6.2) and the first fixture (6.3) transmits connecting structure as magnetic connection and the magnetic force that works between clamping component (6.2) and the first fixture (6.3) is greater than the first engaging force.The invention further relates to a kind of engagement equipment (2) with clamping device according to the invention (6).
Description
Technical field
The present invention relates to a kind of clamping devices for engaging equipment and engagement equipment.
Background technique
Such clamping device and engagement equipment are via the prior art known to many implementation modifications.
Therefore, EP 2136959B1 shows a kind of laser welding apparatus with clamping device, and the clamping device has
For the first joint element receptacle, be configured to the clamping component of clamping head and be configured to the first fixture of interior fixture, wherein
Power connects with transmitting each other by means of narrow connecting plate for the clamping head and interior fixture.In clamping device using in position, borrow
Help clamping head and interior fixture and the second joint surface of the second joint element is pressed against by the first joint element with the first engaging force
First joint surface.
Summary of the invention
The present invention is based on this.
The present invention is based on following tasks: a kind of clamping device for engaging equipment is provided, in clamping section in the clamping device
Connecting rod or the like is not needed between part and the first fixture.
The task is solved by the clamping device of the feature with claim 1.Dependent claims are related to the present invention
Advantageous further improvement scheme.
One major advantage of clamping device according to the invention particular in that, save in clamping component and the first fixture
Between any kind of connection structure, and therefore in the structure of clamping device and using gripping means grips engagement
Much bigger construction space is generated in component.
Based on ray engagement equipment, in such as laser welding apparatus, also obtain following major advantage: clamping device is not
Block ray path.Correspondingly, the engaging process based on ray can obviously be simpler to design.Therefore, it is pressed from both sides according to the present invention
Tight device also promotes high bond quality and thus reduces the waste product of cost consumption.
The magnetic force of magnetic connection can be generated in principle by means of at least one permanent magnet or at least one electromagnet.Permanent magnetism
The advantages of body is, permanent magnetism physical efficiency simply using and be cost advantages.
And the advantages of when using electromagnet, is, the magnetic force of magnetic connection is adjustable.In the operation of clamping device,
Being supplied to the intensity of the electric current of one or more of electromagnets for example can manually be adjusted and/or according to clamping device
And/or engagement equipment rest part operating parameter controlled or be adjusted.Therefore, the first engaging force for example also can
It is adjusted in the desired manner.
Furthermore, it is also contemplated that permanent magnet and electromagnet are applied in combination.
In principle, for generate at least one magnet described in the magnetic force of magnetic connection can according to type, shape, size and
Arragement construction unrestricted choice in wide scope appropriate.However, having according to one kind of embodiment described in claim 2 or 3
The further improvement scheme regulation of benefit: permanent magnet and/or electromagnet are arranged on the first fixture or are arranged in the first fixture.
Simplify the repacking to clamping device in this way, is for example configured to clamping head because being usually changed without in repacking
Or it is configured to the clamping component of outer fixture.Be arranged on the first fixture or in which one/multiple magnets the first fixture
It can correspondingly be constructed in the desired manner according to applicable cases.Such as it is capable of providing different from each other and adapts to determining connect
The first fixture of component is closed, first fixture can be loaded into its of clamping device in a manner of easily and rapidly when needed
In remaining part point.
Clamping component can be structured as clamping head.Advantageously, clamping component is configured to the second fixture, and second fixture exists
Second engaging force is applied on the second joint element by using for clamping device in position.It is able to achieve as a result, according to the invention
The more flexible use of clamping device.
In addition, can realize stress distribution more evenly in joint surface, reduce engaging time and be able to achieve more uniformly
It clamps other component, for example clamp the supporting body equipped with electric member or electronic component, the supporting body is arranged in two structures
It makes between the first and second joint elements for case half.This is also applied for engagement equipment, such as Laser Welding based on ray
Equipment is connect, also additionally reduces energy requirement in these engagement equipment.
A kind of advantageous further improvement scheme regulation: the clamping device has at least one spring, wherein the bullet
Reaction force about the first engaging force is applied on the first fixture clamping device using in position by spring.As a result, for example
When clamping component is configured to the second fixture it is possible that in clamping device using being able to achieve the first of the first fixture in position
Second engaging force of the engaging force less than the second fixture；Even and if this is still possible when using permanent magnet.In the embodiment party
In formula, do not force to need electromagnet.
The intensity of the magnetic force of magnetic connection can in suitable wide scope unrestricted choice.Expediently, the magnetic force is than first
Greatly at least 5 times of engaging force, particularly at least 10 times big.
A kind of advantageous further improvement scheme regulation: the clamping device has shielding device, and the shielding device exists
Clamping device using protected in position the first joint element and/or the second joint element to prevent the magnetic spoke of the magnetic force of magnetic connection
Penetrate or to prevent magnetic connection magnetic force magnetic radiation and generate magnetic force electromagnet electric radiation.In this way effectively
Protect magnetic radiation sensitivity and/or electric radiation sensitivity joint element, for example with the housing parts of electronic component or the like
To prevent harmful magnetic radiation and/or electric radiation.
In principle it is possible that the first fixture only passes through magnetic picture for clamping component positioning.It is a kind of advantageous further
Improvement project provides: the clamping device has the guiding piece for the first fixture, wherein the guiding piece is substantially perpendicular to
The main force direction of magnetic force extends.As a result, can structure simply implement relative positioning of first fixture about clamping component.
Particularly advantageously, the main force direction of magnetic force extends at an angle of 90 with the first engaging force.
However, for example for the joint surface for processing three-dimensional extension appropriately, the main force direction of magnetic force connects with first
Conjunction face does not extend at an angle of 90 each other.Advantageously, the main force direction of magnetic force is in this case with the first engaging force at least
Extend to 45° angle.
The invention further relates to engage equipment according to claim 11.
It is according to the invention engagement equipment main advantage is that improved flexibility and therefore that using may
The expansion of property.The magnetic force of magnetic connection between the clamping component and the first fixture of clamping device can not need repacking folder
Other operating parameters of engagement equipment are automatically adapt in the case where tight device.It is able to achieve higher the degree of automation as a result,
It is reduced with the adjoint cost with this.
Detailed description of the invention
The present invention is explained in more detail below by appended rough schematic diagram.Herein:
Fig. 1 illustrates the embodiment of engagement equipment according to the invention with part, cutting forward sight, and
Fig. 2 illustrates the clamping component and the first fixture of the embodiment with simplified vertical view.
Specific embodiment
Clamping device according to the invention and engagement equipment according to the invention is being explained in more detail below by attached drawing.
Fig. 1 illustrates a kind of embodiment of engagement equipment 2 according to the invention with rough signal.Engagement equipment 2 includes structure
Make the ray generating unit 4 for the laser welding head with scanning system, clamping device 6, first with the first joint surface 8.1
Joint element 8 and the second joint element 10 with the second joint surface 10.1.Two joint elements 8,10 are configured to herein
Plate 8,10.
Clamping device 6 include for the first joint element 8 receptacle 6.1, be configured to the clamping component 6.2 of the second fixture
With the first fixture 6.3.Second fixture 6.2 is configured to outer fixture 6.2 herein, and the first fixture 6.3 is configured to inner clip herein
Tool 6.3.
First joint element 8 is configured to absorb laser beam, and the second joint element 10 be configured to partly for
Laser beam is transparent.
First joint element 8 is kept and is positioned by receptacle 6.1 in a not shown manner.Second joint element 10 according to
The shown of clamping device 6 of the invention sticks on the first joint element 8 using in position with its second joint surface 10.1
On first joint surface 8.1.It is used in position being transformed into it from the unshowned resting position of clamping device 6 according to the invention
When, interior fixture 6.3 (reference plate plane) is moved down on the second joint element 10 by means of outer fixture 6.2.
For this purpose, engagement equipment 2 has the unshowned pneumatic driver for outer fixture 6.2.As from Fig. 1 and Fig. 2
As obtaining in general view, the two fixtures 6.2 and 6.3 are physically not connected to each other, but are separated from each other by gap.
Therefore, connection structure, such as connecting rod are not present between fixture 6.2 and 6.3.
Via magnetic connection FMPower is imported in interior fixture 6.3 from the outer fixture 6.2 of pneumatic actuation, the magnetic connection is logical
It crosses with " FM" label double-head arrow characterization.Magnetic force FMInterior fixture 6.3 is caused to be driven by the outer fixture 6.2 of pneumatic movement.
Herein, magnetic force F is generated by two electromagnets 12 being integrated in interior fixture 6.3M.In Fig. 2 symbolically
The two electromagnets 12 are shown.Outer fixture 6.2 is made of ferrimagnet herein.It in addition to this, can also be in outer fixture 6.2
Middle setting at least one magnet, permanent magnet and/or electromagnet.
In order to which the two fixtures 6.2 and 6.3 not only when being transformed into from resting position using in position but also are clamping dress
It sets in 6 use position and is mutually reliably orientated, clamping device 6 has the unshowned guiding piece for interior fixture 6.3.
The guiding piece is configured to the pin of the teflon coatings of two distances that are separated from each other, and interior fixture 6.3 can be along
The pin linearly moves.And construction corresponding with the corresponding cross section of pin is only shown in Fig. 2 in the first fixture 6.3
In through-hole 14.
In the use position of clamping device 6 shown, outer fixture 6.2 applies the second engaging force to the second joint element 10
Fa and interior fixture 6.3 apply the first engaging force Fi to second joint element.In the present example, two engaging force Fa and
Fi size is identical.Therefore, using the engaging force Fa+Fi=2*Fa=2*Fi of superposition by the second joint element 10 to the first joint portion
Part 8 pre-tightens.
In order to be configured between the clamping component 6.2 of outer fixture 6.2 and the first fixture 6.3 for being configured to interior fixture 6.3
Realize that power as stable as possible transmits connection, magnetic force FMIt is 10 times bigger than the first engaging force Fi.
In this way it is possible that the first engaging force Fi is equal with the second engaging force Fa substantially numerical value.
In this embodiment, the first engaging force Fi maximum can be equal with the second engaging force Fa numerical value, because only by outer
Fixture 6.2 introduces a force into interior fixture 6.3.
However, for other application situation it is also contemplated that the first engaging force Fi is less than the second engaging force Fa.This can lead to
It crosses under type such as to realize: changing that is, reduce the current strength of electromagnet 12.This causes in magnetic connection FMIn certain spirit
Activity, and this leads to the reduction of the first engaging force Fi.For this purpose, engagement equipment 2 has the control unit in unshowned center, borrow
The control unit for helping the center can control the current strength for being conveyed to electromagnet 12.
In addition to this it is still possible that by means of at least one unshowned spring realize the first engaging force Fi with second
Engaging force Fa compare according to the desired reduction of applicable cases, wherein the spring is in clamping device using will in position
Reaction force about the first engaging force Fi is imported on interior fixture.Here, the spring can be tied according to type, material, arrangement
Structure and the size unrestricted choice in suitable wide scope.Such as tension spring or compression spring are same conceivable.
Magnetic force FMIn the accompanying drawings by with FMMain force direction shown in the double-head arrow of label herein with the first engaging force Fi
Extend at an angle of 90.
In other application, for example in the case where joint surface dimensionally extends, it is contemplated that, by interior fixture with
Outer fixture is angularly arranged.Referring to Fig.1, interior fixture for example can around perpendicular to plate plane axis, it is parallel and it is horizontal in
The axis or tilted around two axis that plate plane extends.
Correspondingly, the main force direction of magnetic force can extend with the first engaging force Fi at another angle, to realize at this
Good magnetic connection between two fixtures.
Because magnet is surrounded by magnetic field, the magnetic field along different directions from each other by magnetic force be applied in magnetic field by magnetic
In main body change or magnetizable, so main force direction.
Once clamping device 6 is in shown use position and joint element 8,10 is mutually pressed against, so that it may open
Beginning laser welding.
At the two joint element 8,10 of laser welding, laser head 4 with chain-dotted line characterize laser beam 16 (referring to
Fig. 1) the scanning system inswept weldering characterized with dotted line in the manner known to persons skilled in the art by means of not being shown in further detail
Wiring 18 (referring to fig. 2).
The second engagement is penetrated in welding section 20 that laser beam 16 is symbolically drawn with dotted lines in Fig. 2 and restriction
Component 10 is partly up to joint surface 8.1 and 10.1 against each other.Here, not by being arranged in outer fixture 6.2 and interior fixture
Connecting plate between 6.3 or the like covers the laser beam 16.
Other than the laser head 4 with scanning system, it is also contemplated that movable profile plumb joint or at least one
Semiconductor laser diode unit with or without light wave guide.According to applicable cases, those skilled in the art for
It is selected under the engagement equipment used.
The present invention is not limited to current embodiment.Such as it can also be envisaged that other engage equipment, in these engagement equipment
Clamping device according to the invention can be advantageously used.In addition to other engagement equipment, such as infrared weldings based on ray are set
Except standby or knockdown infrared/laser welding apparatus, the invention also includes the engagement equipment for being not based on ray.
Differently with the embodiment, clamping component also can be structured as clamping head, the first fixture, particularly interior fixture with
The clamping head is in magnetic force transmitting connection.Here, with being configured to the second fixture, particularly being configured to the clamping component of outer fixture
Differently, clamping head is not that direct force acts on the second joint element with transmitting.Then, it is used for when the second joint element does not provide
It when the abutment face of the second fixture, such as the use of the clamping component for being configured to clamping head is reasonable.
Circular that is, sealing weld seam is described in the embodiment shown.However it is also contemplated that part is welded, also
I.e. non-circular and therefore non-tight welding.Similar situation is suitable for being not based on the engagement equipment of ray.
Differently with the embodiment, at least one described magnet can be not arranged in the first fixture, but be arranged
In clamping component, and first fixture is made of ferrimagnet.
In addition, it is contemplated that being provided at least one magnet in clamping component and in the first fixture.
Herein, it is contemplated that permanent magnet and/or electromagnet any amount, arragement construction and combination.
The driving of clamping component not only can pneumatically and also can hydraulically, servo motor or as aforementioned
Drive the progress in combination of type.
In addition to this it is still possible that making the receptacle for the first joint element instead of clamping component and the first fixture
Movement.
Sensitive for magnetic radiation and/or electric radiation sensitivity joint element, such as electronic component, folder according to the invention
Tight device has shielding device, which protects the first joint element and/or second in using in position for clamping device
The electricity of the magnetic radiation and generation magnetic force of magnetic radiation of the component to prevent the magnetic force of magnetic connection or the magnetic force to prevent magnetic connection
The electric radiation of magnet.
The shielding device can be structured as clamping component and/or the first fixture coating, also it is so structured that independent
Component.
Reference signs list:
2 (being configured to laser welding apparatus) engagement equipment
4 (being configured with the laser head of scanning system) ray generating units
6 clamping devices
6.1 receptacle
6.2 (being configured to outer fixture) clamping components
6.3 (being configured to interior fixture) first fixtures
8 first joint elements
First joint surface of 8.1 first joint elements 8
10 second joint elements
Second joint surface of 10.1 second joint elements 10
12 electromagnets
14 (guiding piece for the first fixture 6.3) through-holes
16 laser beams
18 sealing wires
20 welding sections
Claims (11)
1. engaging equipment, particularly the engagement equipment based on ray clamping device, the clamping device, which has, is used for first
Receptacle, clamping component and the first fixture of joint element, wherein in using in position for clamping device, the first fixture and folder
Tight component is in power transmitting connection and the first engaging force is applied in this wise on the second joint element, so that the second engagement
Component is pre-tightened with the second first joint surface of the engagement towards the first joint element, which is characterized in that in clamping component (6.2) and the
Power transmitting connecting structure between one fixture (6.3) be magnetic connection and clamping component (6.2) and the first fixture (6.3) it
Between the magnetic force that works be greater than the first engaging force.
2. clamping device (6) according to claim 1, which is characterized in that the magnetic force energy of the magnetic connection is at least partly
Ground is generated by means of at least one permanent magnet.
3. clamping device (6) according to claim 1 or 2, which is characterized in that the magnetic force energy of the magnetic connection at least portion
Ground is divided to be generated by means of at least one electromagnet (12).
4. clamping device (6) according to claim 2 or 3, which is characterized in that the permanent magnet and/or electromagnet (12)
It is arranged on the first fixture (6.3) or is arranged in first fixture.
5. clamping device (6) according to one of the above claims, which is characterized in that clamping component (6.2) construction
For the second fixture (6.2), the second engaging force is applied to second in the use position of clamping device (6) and connect by second fixture
It closes on component (10).
6. clamping device (6) according to one of claims 1 to 5, which is characterized in that the clamping device (6) has extremely
A few spring, wherein the spring applies the reaction force about the first engaging force using in position clamping device (6)
It is added on the first fixture (6.3).
7. clamping device (6) according to one of the above claims, which is characterized in that the magnetic force is bigger than the first engaging force
At least 5 times, particularly greatly at least 10 times.
8. clamping device (6) according to one of the above claims, which is characterized in that the clamping device (6) has screen
Device is covered, the shielding device protects the first joint element (8) and/or the second engagement in using for clamping device (6) in position
The magnetic radiation and generation magnetic force of the magnetic radiation of component (10) to prevent the magnetic force of magnetic connection or the magnetic force to prevent magnetic connection
Electromagnet electric radiation.
9. clamping device (6) according to one of the above claims, which is characterized in that the clamping device (6), which has, to be used
Guiding piece in the first fixture (6.3), wherein the main force direction that the guiding piece is substantially perpendicular to magnetic force extends.
10. clamping device (6) according to one of the above claims, which is characterized in that the main force direction of the magnetic force with
First engaging force extends at least 45 °, particularly 90 ° angles.
11. engaging equipment, particularly laser welding apparatus and/or induction welding equipment, the engagement equipment has control unit
And clamping device, which is characterized in that be configured with described in accordance with the claim 3 or weighed according to being quoted in claim 4 to 10
Benefit requires clamping device (6) described in 3 any one claim, and the current strength of electromagnet (12) can be set according to engagement
Other standby operating parameters are controlled or are adjusted by means of control device.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016113553.4 | 2016-07-22 | ||
| DE102016113553.4A DE102016113553A1 (en) | 2016-07-22 | 2016-07-22 | Clamping device of a joining device and joining device |
| PCT/EP2017/068447 WO2018015524A1 (en) | 2016-07-22 | 2017-07-21 | Clamping device of a joining device, and joining device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109475986A true CN109475986A (en) | 2019-03-15 |
| CN109475986B CN109475986B (en) | 2021-04-27 |
Family
ID=59564144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780045275.9A Active CN109475986B (en) | 2016-07-22 | 2017-07-21 | Clamping device of jointing equipment and jointing equipment |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN109475986B (en) |
| DE (1) | DE102016113553A1 (en) |
| WO (1) | WO2018015524A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2118885A (en) * | 1982-04-26 | 1983-11-09 | Macken John A | Method and apparatus for laser cutting of smoke-sensitive materials |
| DD265835A1 (en) * | 1987-11-13 | 1989-03-15 | Ammendorf Waggonbau | CLAMPING DEVICE FOR AUTOMATIC WELDING SHEET, PARTICULARLY FOR ADDITIONAL MATERIAL-FREE PUNCH WELDING |
| KR20090070743A (en) * | 2007-12-27 | 2009-07-01 | 주식회사 포스코 | Jig system for mounting welding panel |
| CN101657291A (en) * | 2007-04-17 | 2010-02-24 | Lpkf激光电子股份公司 | Be used to clamp the clamping device of at least two parts |
| WO2014114353A1 (en) * | 2013-01-25 | 2014-07-31 | Toyota Motor Europe Nv/Sa | Magnetic welding fixture for a laser welding system and method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006045013A1 (en) * | 2006-09-23 | 2008-03-27 | Robert Bosch Gmbh | Fastening system for holding metal sheets in position comprises moving magnetic field generating unit |
| DE102011087405A1 (en) * | 2011-11-30 | 2013-06-06 | Bielomatik Leuze Gmbh + Co. Kg | Clamping device for laser beam welding |
| DE102012203694A1 (en) * | 2012-03-08 | 2013-09-12 | Lpkf Laser & Electronics Ag | Beam-supported joining machine, in particular laser penetrating welding device |
-
2016
- 2016-07-22 DE DE102016113553.4A patent/DE102016113553A1/en active Pending
-
2017
- 2017-07-21 CN CN201780045275.9A patent/CN109475986B/en active Active
- 2017-07-21 WO PCT/EP2017/068447 patent/WO2018015524A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2118885A (en) * | 1982-04-26 | 1983-11-09 | Macken John A | Method and apparatus for laser cutting of smoke-sensitive materials |
| DD265835A1 (en) * | 1987-11-13 | 1989-03-15 | Ammendorf Waggonbau | CLAMPING DEVICE FOR AUTOMATIC WELDING SHEET, PARTICULARLY FOR ADDITIONAL MATERIAL-FREE PUNCH WELDING |
| CN101657291A (en) * | 2007-04-17 | 2010-02-24 | Lpkf激光电子股份公司 | Be used to clamp the clamping device of at least two parts |
| KR20090070743A (en) * | 2007-12-27 | 2009-07-01 | 주식회사 포스코 | Jig system for mounting welding panel |
| WO2014114353A1 (en) * | 2013-01-25 | 2014-07-31 | Toyota Motor Europe Nv/Sa | Magnetic welding fixture for a laser welding system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018015524A1 (en) | 2018-01-25 |
| DE102016113553A1 (en) | 2018-01-25 |
| CN109475986B (en) | 2021-04-27 |
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