CN106312257A - Keeping device used for welding - Google Patents
Keeping device used for welding Download PDFInfo
- Publication number
- CN106312257A CN106312257A CN201510329422.8A CN201510329422A CN106312257A CN 106312257 A CN106312257 A CN 106312257A CN 201510329422 A CN201510329422 A CN 201510329422A CN 106312257 A CN106312257 A CN 106312257A
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- CN
- China
- Prior art keywords
- matrix
- holding means
- protective gas
- holding
- workpiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- 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
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/325—Devices for supplying or evacuating shielding gas
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding In General (AREA)
Abstract
The invention provides a keeping device (1) used for welding. The keeping device (1) comprises a body (10), wherein the body (10) comprises a keeping hole opening (140) used for keeping at least one workpiece (61) to be welded. A protection gas channel (162) allowing welding protection gas to flow is formed in the body (10), and the protection gas channel (162) is opened at the position nearby the keeping hole opening (140) towards the side of welding operation.
Description
Technical field
The present invention relates to a kind of holding means for welding.
Background technology
The content of this part provide only background information related to the present invention, and it may be not intended that
Prior art.
In actual applications, it is known that need on a certain workpiece such as tube-like piece, weld another workpiece example
Such as plate-like piece.When these workpiece are welded, such as, when using GTAW (tungsten argon arc
Weldering) etc. welding method time they are welded, the protective gas from soldering appliance is mainly protected
The face side of weld part, the rear side for weld part is then difficult to play be effectively protected, especially
Being in the case of workpiece is thin-wall part, this may make the part of the rear side at weld part of workpiece
Oxidized, and then the welding quality of the rear side of weld part and attractive in appearance cannot be ensured.
Summary of the invention
According to an aspect of the invention, it is provided it is a kind of for providing weldering to workpiece to be soldered
Connect by the holding means of protective gas.
According to a further aspect in the invention, it is provided that a kind of holding means for welding, described guarantor
Holding device to include: body, described body includes being configured for keeping to be soldered at least one
The holding aperture of workpiece；Wherein, described the internal guarantor being provided with protective gas for welding flowing
Protect gas passage, described protective gas passage near described holding aperture towards welding operation side
Open wide.
Preferably, described protective gas channel part or fully outside described holding aperture
Zhou Yanshen.
Preferably, described body be provided with the air inlet with described protective gas passage lead to
Road.
Preferably, described inlet channel is provided with the inlet suction port being connected with external protective gas source.
Preferably, the shape of cross section in described holding aperture includes circle, ellipse, square, T
At least one shape in shape and L-shaped.
Preferably, described holding means also includes the height of the height for regulating described holding means
Adjusting means.
Preferably, described holding means also includes the cover plate covering described protective gas passage, described
Cover plate has equally distributed steam vent, and described steam vent is with described protective gas passage fluid even
Logical.
Preferably, described holding means also includes the sealing between described body and described cover plate
Component, wherein, described containment member has the otch for passing through for protective gas.
Preferably, described cover plate is formed around groove at described steam vent so that at described groove
Interior formation protective gas enrichment region.
Preferably, described body is provided around concave station, described cover plate and institute in described holding aperture
State in containment member is seated in described concave station and flush with the surface of described body.
Preferably, described body includes that the first matrix and the second matrix, described first matrix are provided with
The Part I in described holding aperture, described second matrix is provided with second of described holding aperture
Point, described Part I and described Part II coordinate to form described holding aperture.
Preferably, described holding aperture is clamped with as at least one workpiece described in tube-like piece, for plate
At least another workpiece of shape part is formed with the aperture coordinated with described tube-like piece and is shelved on described
On the surface of body.
Preferably, described holding means is provided with at least another workpiece described in keep and is resisted against institute
State at least one keeper on the surface of body.
Preferably, described first matrix is provided with the first passage portion of at least one protective gas passage
Point, described second matrix is provided with the second channel part of at least one protective gas passage described,
Described first passage part and described second channel part are at described first matrix and described second base
The surface fluid communication that body is engaged with each other.
Preferably, the described first passage part and described of at least one protective gas passage described
Two channel parts are respectively around the described Part I in described holding aperture and described Part II
Periphery extends 90 °.
Preferably, described first matrix and described second matrix are clamped together by clamp system.
Preferably, one of described first matrix and described second matrix are provided with alignment pin, described
Another one in first matrix and described second matrix is provided with the alignment inserted for described alignment pin
Hole.
By explanation provided herein, other application will be apparent from.It should be understood that this
Particular example and embodiment described in part are for illustration purposes only rather than attempt to limit this
The scope of invention.
Accompanying drawing explanation
Accompanying drawing as described herein is only in order at illustration purpose and is not intended to limit by any way
The scope of the present invention, accompanying drawing is not necessarily drawn to scale, and can zoom in or out some features to show spy
The details of limiting-members.In the accompanying drawings:
Fig. 1 is the axonometric chart of the holding means for welding according to the embodiment of the present invention；
Fig. 2 a is the side view of holding means according to the embodiment of the present invention；
Fig. 2 b is the sectional view that the line B-B along Fig. 2 a intercepts；
Fig. 3 a is the top view of holding means according to the embodiment of the present invention；
Fig. 3 b is the sectional view that the line C-C along Fig. 3 a intercepts；
Fig. 4 is the opposite side view of holding means according to the embodiment of the present invention；
Fig. 5 is the decomposing schematic representation of holding means according to the embodiment of the present invention；
Fig. 6 is the axonometric chart of the second matrix of holding means according to the embodiment of the present invention；
Fig. 7 is the top view of the second matrix of holding means according to the embodiment of the present invention；
Fig. 8 is the second matrix and cover plate, the sealing of holding means according to the embodiment of the present invention
The axonometric chart that component and keeper fit together, illustrated therein is the supplying party of protective gas
To；
Fig. 9 a shows the first workpiece and second workpiece that need to weld together, wherein, the first work
Part is separated from each other with second workpiece, and the first workpiece is seated on substrate；
Fig. 9 b shows the first workpiece and second workpiece that need to weld together, wherein, the first work
Part is through the aperture of second workpiece, and shows weld part A；
Figure 10 be holding means according to the embodiment of the present invention in use with the first workpiece and
The axonometric chart that second workpiece fits together；
Figure 11 is that holding means according to the embodiment of the present invention is only assembled in one with the first workpiece
The axonometric chart risen；And
Figure 12 is holding means according to the embodiment of the present invention and the first workpiece and second workpiece
The side view fitted together.
Detailed description of the invention
Following description is the most only exemplary and be not intended to limit the present invention, application and purposes.
Should be appreciated that in all these accompanying drawings, the instruction of corresponding reference number is similar or corresponding part
And feature.For purposes of clarity, all parts in accompanying drawing are not marked.
Run through all accompanying drawings, it should be pointed out that such as front, back, left, right, up, down in literary composition
Etc. directional terminology reference merely for describe purpose, not to embodiments of the present invention in reality
Direction and orientation in application are construed as limiting.
Below with reference to Fig. 1 to Figure 12 describe according to the embodiment of the present invention for welding
The basic structure of holding means and operational approach.
With reference first to Fig. 1, holding means 1 according to the embodiment of the present invention include body 10 with
And multiple accessory, such as clamp system 20, inlet suction port 30, keeper 40 etc..
Body 10 includes that at least one keeps aperture 140, and holding dress is run through in described holding aperture 140
Put 1 and be configured for receiving at least one workpiece to be soldered.In the present embodiment, originally
Body 10 includes two holding apertures 140 with approximate circular cross-section.In other embodiments,
It is contemplated that body 10 can include any number of holding aperture 140, keep aperture 140
Cross section can be in any shape, such as circle, triangle, square, oval, T-shaped, L
Shape etc..It is also conceivable that holding aperture 140 is not laterally completely enclosing, but can be in side
To opening wide.In other words, this holding means 1 can entirely around at least one workpiece above-mentioned or partly
Around this workpiece.Although it is emphasized that and being referred to as " holding aperture " here, it is to be understood that
It is that it is essentially the maintaining part keeping treating welded part, as it has been described above, the shape of maintaining part has
Multiple choices, it is preferable that the shape of maintaining part is substantially matching with the shape treating welded part.
Showing the side view of holding means 1 with reference to Fig. 2 a, Fig. 2 a, holding means 1 is preferably
Its side surface (surface as shown in Figure 2 a) is provided with inlet suction port 30, inlet suction port 30
One end be connected to inlet channel 164 (see Fig. 2 b), and the other end of inlet suction port 30 is connected to
(the most external) protective gas source (not shown).
With reference to Fig. 2 b, inlet channel 164 is at the lateral opening of holding means 1, and it is straight to extend internally
To protective gas passage 162.In use, inlet suction port 30 by protective gas via inlet channel
164 introduce in protective gas passage 162, and protective gas passage 162 is spacious towards welding operation side
Open, thus the protective gas of self-shield gas source guides welding operation side in the future, particularly guides into
The rear side of the weld part of another workpiece to be soldered being shelved in holding means 1.In this reality
Execute in mode, it is shown that two inlet suction ports 30 are respectively connecting to respective inlet channel 164, continue
And it is connected to the most disconnected protective gas passage 162.It is contemplated, however, that it is real at other
Executing in mode, the multiple protective gas passages 162 in body 10 can be in fluid communication directly with one another
Or share an inlet channel 164 or inlet suction port 30.It is contemplated that protective gas source is permissible
It is built-in protective gas source or external protective gas source.It is contemplated that multiple protective gas passages can
For different types of protective gas.It is contemplated that inlet channel 164 can be arranged on this guarantor
Hold other positions of device or at other surface openings.Even inlet channel 164 can omit.
With reference to Fig. 2 b, it is preferable that protective gas passage 162 is positioned as close to keep aperture 140
Position and around keeping aperture 140 to extend past certain angle, this angle can be 0 ° to 360 °
Between unspecified angle, such as 45 °, 90 °, 180 ° and 360 °.Preferably, protection gas
Body passage 162 is ringwise or a part for annular.
With reference to Fig. 3 a, at the upper surface (i.e. towards the surface of welding operation side) of holding means 1
On be provided with steam vent 132 (will be described below in detail), described steam vent 132 is positioned at guarantor
Protect the unlimited side of gas passage 162, thus protective gas is guided out holding means 1.Fig. 3 b
Show the profile that the line C-C along Fig. 3 a intercepts.It can be seen in figure 3 b that keep
Gas passage 162 opens wide towards welding operation side, thus be directed directly to protective gas to treat by
The rear side of the weld part of welding workpiece.
Fig. 4 shows the opposite side view of holding means 1, at body 10 towards welding operation
It is provided with keeper 40 on the surface of side, arranges in the side towards body 10 of keeper 40
There is stage portion, between keeper 40 and body 10, thus define grasping part S, in order to hold
The need on the surface being shelved on holding means 1 of receiving be soldered at least another workpiece, with by described extremely
Another workpiece few is maintained between keeper 40 and body 10.The thickness in S space with at least another
The thickness of workpiece substantially corresponds to.It is contemplated that S space can not adjoin with holding means 1,
But with holding means 1 in a distance, thus described at least another workpiece can be maintained at
At a certain distance from holding means 1.
Fig. 5 shows the decomposing schematic representation of this holding means 1, as it is shown in figure 5, body 10 by
Two matrix that is first matrixes 11 and the second matrix 12 are constituted.It is contemplated that other embodiment party
In formula, body 10 is made up of three or more matrixes, and body 10 can also be a single piece,
Thereon or its in arrange holding aperture 140 recited above and protective gas passage 162 etc.
Structure.
This holding means 1 can also include clamp system 20.In the present embodiment, holding means
1 has two clamp systems 20, and these two clamp systems 20 are separately positioned on the both sides of body 10
And the most such as it is attached to the first matrix 11 and the second matrix 12 by securing member.Clamping machine
Structure 20 can move between the first location and the second location, at primary importance, clamping device 20
The first matrix 11 and the second matrix 12 is allowed to be separated from each other；At the second position, clamping device 20
First matrix 11 and the second matrix 12 are pressed against or are clamped together.Clamp system 20 can be with example
As for Quick-clamped elbow folder or other known in the art can Quick-clamped and arbitrary folder of release
Tool.
First matrix 11 and the second matrix 12 holding aperture 140 be divide into two parts 142,
144 (with reference to Fig. 1) so that keep the Part I 142 in aperture 140 to be arranged on the first matrix 11
On, keep the Part II 144 in aperture 140 to be arranged on the second matrix 12.Preferably, exist
In present embodiment, the first matrix 11 and the second matrix 12 are by two guarantors being substantially round in shape cross section
Hold aperture 140 to divide equally along their axis.When the first matrix 11 and the second matrix 12 coordinate one
When rising, Part I 142 and Part II 144 are formed and keep aperture 140, and keep at least
One workpiece, preferably clamping at least one workpiece described.The tube-like piece being for example, kept provides
Sizing effect.
Preferably, in the present embodiment, the structure of the first matrix 11 and the second matrix 12 is substantially
Identical and relative to both composition surface is symmetrical.
Preferably, the first matrix 11 and the second matrix 12 are by least one protective gas passage 162
Being divided into two parts 162A, 162B, referring in particular to Fig. 2 b, the first matrix 11 is provided with protection gas
First passage part 162A of body passage 162, the second matrix 12 is provided with this protective gas passage
Second channel part 162B of 162, first passage part 162A and second channel part 162B
The surface being engaged with each other with the second matrix 12 at the first matrix 11 is connected or is in fluid communication.
On the surface towards welding operation side of body 10 or matrix 11,12, in retaining hole
The radial outside of mouth 140 is provided with concave station 150.With reference to Fig. 6 and Fig. 7, in the present embodiment,
Concave station 150 is preferably directed towards holding aperture 140 and welding operation side and opens wide, protective gas passage
162 is unlimited towards the basal surface of concave station 150.Preferably, protective gas passage 162 is towards guarantor
Hold side, aperture 140 to be closed by the thin-walled 166 formed by matrix 11,12.Preferably, protection
Gas passage 162 is the ring around holding aperture 140 periphery the most coaxial with keeping aperture 140
Shape or a part for annular.
The height of concave station 150 is largely less than the height of matrix 11,12, such as after the former is
/ 4th of person are the least.Preferably, in the present embodiment, concave station 150 in circle
The form of 1/4th annulars that holding aperture 140 is coaxial.In the present embodiment, at body 10
On be provided with four concave stations 150, two Part I 142 keeping apertures 140 and Part II
The radial outside of each in 144 is all respectively arranged with a concave station 150.
Preferably, with reference to Fig. 7, first passage part 162A of protective gas passage 162 and second
Channel part 162B has opening in the most facing side of matrix 11,12, matrix 11,
12 when being combined together, and described opening is correspondingly directed at so that first passage part 162A and
Second channel part 162B is by described opening fluid communication with each other.As shown in Figure 2 b, difference position
First passage part 162A on the first matrix 11 and the second matrix 12 and second channel part
162B is by the most facing open fluid communication, and forms continuous print protective gas passage
162, this continuous print protective gas passage 162 is preferably in semi-circular, i.e. in circumferential direction
Extend 180 °.In other embodiments, this continuous print protective gas passage can be in circumference
Side upwardly extends any angle, such as 90 °, 270 ° or 360 °.In other embodiments,
The corresponding channel part of protective gas passage can the most directly connect, i.e. protective gas passage
Respective channel part at facing composition surface, be formed without opening, each protective gas passage
Channel part can directly be in fluid communication with inlet channel 164 or inlet suction port 30 respectively.
Selectively, the cover plate of covering protection gas passage 162 can be provided with in concave station 150
130.In the present embodiment, with reference to Fig. 5, cover plate 130 is preferably in the shape of 1/4th annulars
Formula and roughly the same with the shape of concave station 150.In the present embodiment, it is preferable that in welding
Operating side, cover plate 130 is present when being placed on concave station 150, its outer surface and body 10 or base
The outer surface of body 11,12 flushes, thus for another workpiece offer placed thereon to be soldered
One smooth surface.
Being formed with steam vent 132 on cover plate 130, this steam vent 132 extends through cover plate 130,
One end of steam vent 132 is in fluid communication with protective gas passage 162, and its other end is towards welding behaviour
Make side open wide, for by the protective gas in the protective gas passage 162 of holding means 1 towards
Welding operation side guides.Preferably, steam vent 132 is arranged to be positioned as close to keep aperture
140.Preferably, cover plate 130 includes multiple steam vent 132, and the plurality of steam vent 132 is around guarantor
Hold aperture 140 to arrange at equal intervals or equably, so that protective gas flows out in a uniformly distributed manner
Holding means 1, and then it is transported to the rear side of the weld part of workpiece to be welded equably.
In the present embodiment, it is preferable that in concave station 150, at body 10 and cover plate 130
Between be provided with containment member 170, such as rubber gasket, this containment member 170 has use
In the otch 172 passed through for protective gas.This containment member 170 prevents protective gas in lateral side
On (i.e. horizontal direction), between body 10 and cover plate 130, leak out holding means 1, and permit
Being permitted protective gas concentrates the weld part towards welding operation side to carry.Preferably, otch 172 exists
It is formed near holding aperture 140 (i.e. the radially inner side of containment member 170) on containment member 170,
And on the direction that protective gas passage 162 opens wide with protective gas passage 162 rough alignment, from
And allow protective gas to pass through otch 172 and flow in the steam vent 132 of cover plate 130.
In the present embodiment, such as, at matrix 11 and matrix 12, containment member 170 and lid
It is respectively arranged with fixing hole, by cover plate 130 and to seal structure by means of securing member 80 on plate 130
Part 170 is fixed on matrix 11,12, as shown in Figure 5.
Preferably, matrix 11,12 is provided with aligning guide.As it is shown in figure 5, at matrix
11, it is each provided with alignment pin 15 and alignment hole 16 on the most facing surface of 12, is inciting somebody to action
When matrix 11,12 fits together, alignment pin 15 inserts in alignment hole 16, so that matrix
11,12 is aligned with each other, then makes to keep Part I 142 and the Part II in aperture 140
144 is aligned with each other.
Fig. 8 shows the second matrix 12 and cover plate 130, containment member 170 and keeper 40
The axonometric chart fitted together, wherein, it is shown that the operationally direction of the supply of protective gas.Come
The protective gas of self-shield gas source leads to via inlet suction port 30, inlet channel 164 and protective gas
Road 162 flows to steam vent 132, and then along direction as shown by the arrows in fig. 8 (towards weldering
Connect operation side) leave steam vent 132.Fig. 8 also show and be positioned at around steam vent 132
Groove 134, it will be described below.
Fig. 9 a and Fig. 9 b shows that (it is included at least one work above-mentioned to substrate the 60, first workpiece
In part) 61 and second workpiece (it is included in above-mentioned at least another workpiece) 62, wherein,
One workpiece 61 is connected with substrate 60.It is pointed out that substrate 60 is interpreted as connection and has
Any parts of one workpiece 61, however it is not limited to the shape shown in figure and structure.Such as Fig. 9 a institute
Show, substrate 60 is extended with four the first roughly the same workpiece 61, in the present embodiment,
First workpiece 61 is tube-like piece.For the consideration of the factors such as Stability Analysis of Structures, in actual applications,
Needs are welding second workpiece 62 on two or more first workpiece 61, in the present embodiment,
Second workpiece 62 includes plate-like piece.It is formed on second workpiece 62 for accommodating the first workpiece 61
Corresponding aperture 64.As shown in figure 9b, second workpiece 62 is coordinated at least one first
Make the first workpiece 61 through the aperture 64 on second workpiece 62 on workpiece 61.This embodiment party
In formula, contact with second workpiece 62 at the first workpiece 61 or close position, be provided with
The side of facing (the most adjoining) of two the first workpiece 61 of same second workpiece 62 is carried out
Welding, schematically shows the position of weld part A in figure 9b.In other embodiments,
Weld part A can the most arbitrarily choose, and such as, weld part can be formed at the first workpiece 61
Any position in circumferentially direction or multiple position, or present other forms, for example formed as even
Continuous weld seam.In the present embodiment, as shown in figure 9b, take the mode of spot welding from figure
Top is welded at A point, i.e. the face side from weld part A is welded.Welding
Cheng Zhong, needs the rear side of the i.e. weld part A in lower section from Fig. 9 b to provide protective gas, in case
The only described rear side oxidation of weld part A.
The operational approach of this holding means 1 is described below with reference to Figure 10.
In use, as shown in Figure 10, first, second workpiece 62 is placed in suitable welding position
Put or height, then by the first matrix 11 and the second matrix 12 respectively from both sides towards second workpiece
62 and first workpiece 61 move, be preferably directed at by aligning guide, final merge and
It is combined together, makes second workpiece 62 be maintained at keeper alternately through clamp system 20
Between 40 and matrix 11,12, in the first workpiece 61 is maintained at holding aperture 140 simultaneously.Excellent
Selection of land, the Part I 142 of matrix 11 and the Part II 144 of matrix 12 can keep even
Clamp the first workpiece 61.Preferably, in the present embodiment, the clamping device of holding means 1
Matrix 11,12 is clamped together after matrix 11,12 is combined together by 20 so that keep
Device 1 can not move relative to the first workpiece 61, to adapt to the different welding positions of second workpiece 62
Putting or height, wherein, described holding aperture 140 also has sizing effect.It is contemplated that this guarantor
Hold device to move relative to workpiece after assembling.Now, steam vent 132 is in weld part A
Rear side near, thus in use to weld part A rear side provide protective gas.Need
It is noted that steam vent 132 may rely on the position of weld part A and arbitrarily arranges.
Figure 11 shows the axonometric chart of holding means 1, wherein holding means 1 and the first workpiece 61
Fit together, and second workpiece 62 is hidden.In fig. 11 it can be seen that at steam vent 132
It is arranged around fluted 134.Due to the existence of groove 134, from the protection of steam vent 132 ejection
Gas will not directly run into second workpiece 62 and spread rapidly, but can carry out in groove 134
Enrichment so that form uniform protective gas layer around the rear side of weld part A, and then play
Preferably protected effect.
In other embodiments, above-mentioned groove 134 can be formed without.It is alternatively possible to borrow
Helping keeper 40 device such as grade makes the body 10 of holding means 1 not contact with second workpiece 62,
But between body 10 and second workpiece 62, forming gap, described gap can also form protection
Gas enrichment region, thus improve welding quality and attractive in appearance.
Figure 12 shows that holding means 1 fits together with second workpiece 62 and the first workpiece 61
Front view, wherein, holding means 1 also includes arrangement for adjusting height 70, such as height pin.As
Shown in Figure 12, in the present embodiment, arrangement for adjusting height 70 is from matrix 11,12 dorsad
The surface of welding operation side is prominent to be supported on substrate 60 by matrix 11,12, and height
Adjusting means 70 Height Adjustable, to adapt to the second workpiece 62 difference relative to substrate 60
Welding and assembling height or position.
Preferably, in some embodiments, at two matrixes 11 and 12 quilt of holding means 1
After clamping device 20 clamping, self and the first workpiece 61 are securely fixed in one by holding means 1
Rise so that holding means 1 does not contacts with substrate 60 or any supporting construction, to adapt to the second work
The different welding and assembling height of part 62 or position.
Holding means for welding described above is only one embodiment of the present invention, its
On the one hand, it is possible to the rear side for weld part particularly weld part provides protective gas, to prevent weldering
The rear side connecing portion's particularly weld part aoxidizes, and then ensure that welding quality and attractive in appearance；Separately
On the one hand, this holding means has simple to operate and can the advantage of Fast Installation.
By using two-piece type matrix, it is possible to more easily needs are welded together two or more
Multiple workpiece keep or are clamped together.
Generally, protective gas during welding, can be supplied simultaneously to, for thin-wall part, often at the back of the body
Face is also susceptible to oxidation, so providing protective gas to be particularly important to the back side, the present invention's
Holding means is that thin-walled tubular part provides good back-protective measure with welding of thin plate.
Although described the various embodiments of the present invention in detail at this, it should be appreciated that, this
The bright detailed description of the invention being not limited to describe in detail here and illustrate, in the reality without departing from the present invention
Other modification and remodeling is may be effected by one skilled in the art in the case of matter spirit and scope.Institute
These modification and remodeling is had to be within the scope of the present invention.
Reference numerals list
1 holding means
10 bodies
11 first matrixes
12 second matrixes
15 alignment pins
16 alignment holes
20 clamp systems
30 inlet suction ports
40 keepers
60 substrates
61 first workpiece
62 second workpieces
64 apertures
70 arrangement for adjusting height
80 securing members
130 cover plates
132 steam vents
134 grooves
140 keep aperture
142 Part I
144 Part II
150 concave stations
162 protective gas passages
162A first passage part
162B second channel part
164 inlet channels
166 thin-walleds
170 containment members
172 otch
Claims (17)
1. the holding means (1) for welding, described holding means (1) including:
Body (10), described body (10) includes being configured for keeping to be soldered at least one
The holding aperture (140) of workpiece (61)；
Wherein, the protective gas being provided with protective gas for welding flowing in described body (10) leads to
Road (162), described protective gas passage (162) near described holding aperture (140) towards weldering
Connect operation side to open wide.
Holding means the most according to claim 1 (1), wherein, described protective gas passage (162)
Partially or entirely extend around the periphery of described holding aperture (140).
Holding means the most according to claim 1 (1), wherein, described body (10) is arranged
There is the inlet channel (164) being in fluid communication with described protective gas passage (162).
Holding means the most according to claim 3 (1), wherein, described inlet channel (164)
It is provided with the inlet suction port (30) being connected with external protective gas source.
5. according to the holding means (1) described in any one in Claims 1-4, wherein, described
The shape of cross section keeping aperture (140) includes in circle, ellipse, square, T-shaped and L-shaped
At least one shape.
6. according to the holding means (1) described in any one in Claims 1-4, also include for
Regulate the arrangement for adjusting height (70) of the height of described holding means (1).
Holding means the most according to claim 1 (1), also includes that covering described protective gas leads to
The cover plate (130) in road (162), described cover plate (130) has equally distributed steam vent (132),
Described steam vent (132) is in fluid communication with described protective gas passage (162).
Holding means the most according to claim 7 (1), also includes being positioned at described body (10)
And the containment member (170) between described cover plate (130), wherein, described containment member (170)
There is the otch (172) for passing through for protective gas.
Holding means the most according to claim 7 (1), wherein, described cover plate (130) exists
Described steam vent (132) is formed around groove (134) so that shape in described groove (134)
Become protective gas enrichment region.
Holding means the most according to claim 8 (1), wherein, described body (10) exists
Described holding aperture (140) is provided around concave station (150), described cover plate (130) and described
Containment member (170) be seated in described concave station (150) and with the surface of described body (10)
Flush.
11. according to the holding means (1) described in any one in claim 1-4 and 7-10, wherein,
Described body (10) includes the first matrix (11) and the second matrix (12), described first matrix (11)
Being provided with the Part I (142) of described holding aperture (140), described second matrix (12) is arranged
There is a Part II (144) of described retaining hole mouth (140), described Part I (142) and described
Part II (144) coordinates to form described holding aperture (140).
12. according to the holding means (1) described in any one in claim 1-4 and 7-10, wherein,
Described holding aperture (140) clamps described at least one workpiece (61) of promising tube-like piece, for tabular
At least another workpiece (62) of part is formed with the aperture (64) coordinated with described tube-like piece and is shelved on
On the surface of described body (10).
13. holding meanss according to claim 12 (1), wherein, described holding means (1)
It is provided with at least another workpiece (62) described in keep and is resisted against the surface of described body (10)
At least one keeper (40).
14. holding meanss according to claim 11 (1), wherein, described first matrix (11)
It is provided with the first passage part (162A) of at least one protective gas passage (162), described second
Matrix (12) is provided with the second channel part of at least one protective gas passage (162) described
(162B), described first passage part (162A) and described second channel part (162B) are in institute
State the first matrix (11) and surface fluid communication that described second matrix (12) is engaged with each other.
15. holding meanss according to claim 14 (1), wherein, at least one protection described
The described first passage part (162A) of gas passage (162) and described second channel part (162B)
Respectively around described Part I (142) and the described Part II (144) of described holding aperture (140)
Periphery extend 90 °.
16. holding meanss according to claim 11 (1), wherein, described first matrix (11)
It is clamped together by clamp system (20) with described second matrix (12).
17. holding meanss according to claim 11 (1), wherein, described first matrix (11)
One of described second matrix (12) is provided with alignment pin (15), described first matrix (11) and
Another one in described second matrix (12) is provided with the alignment hole inserted for described alignment pin (15)
(16)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510329422.8A CN106312257B (en) | 2015-06-15 | 2015-06-15 | Holding device for welding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510329422.8A CN106312257B (en) | 2015-06-15 | 2015-06-15 | Holding device for welding |
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| Publication Number | Publication Date |
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| CN106312257A true CN106312257A (en) | 2017-01-11 |
| CN106312257B CN106312257B (en) | 2020-03-24 |
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|---|---|---|---|
| CN201510329422.8A Active CN106312257B (en) | 2015-06-15 | 2015-06-15 | Holding device for welding |
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| CN106312257B (en) | 2020-03-24 |
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