CN207104068U - A kind of nut pipe welding tooling - Google Patents
A kind of nut pipe welding tooling Download PDFInfo
- Publication number
- CN207104068U CN207104068U CN201720744476.5U CN201720744476U CN207104068U CN 207104068 U CN207104068 U CN 207104068U CN 201720744476 U CN201720744476 U CN 201720744476U CN 207104068 U CN207104068 U CN 207104068U
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- CN
- China
- Prior art keywords
- nut pipe
- crane
- jig
- guide sleeve
- locating rod
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Abstract
The utility model discloses a kind of nut pipe welding tooling, nut pipe is welded to the position that nut pipe is accurately positioned when on the weldment of subframe etc suitable for automobile manufacturing process, specifically include the jig for placing weldment, the jig is provided with lower alignment pin, the lower alignment pin position is corresponded to above the jig and is provided with guide sleeve on liftable, the upper guide sleeve lower end is provided with the positioning hole being adapted to nut pipe, the jig be provided with can vertical lifting crane, the crane is provided with crimping cylinder, the upper guide sleeve is connected to the piston-rod lower end portion of crimping cylinder straight down.The utility model is advantageously implemented being accurately positioned for nut pipe, and improves the welding quality of nut pipe.
Description
Technical field
A kind of auxiliary tool for welding is the utility model is related to, is being welded more particularly, to one kind suitable for automobile factory
Auxiliary mould during nut pipe.
Background technology
, it is necessary to which nut pipe to be welded to the weldering of subframe etc using carbon dioxide welding technique in automobile manufacturing process
On fitting, in the prior art, typically nut pipe sleeve is connected on a upper alignment pin, then upper alignment pin positions nut pipe
And be crimped on weldment, the downside of weldment crimps with another lower alignment pin, so that nut pipe and the weldering for needing to weld
Fitting can be tightly engaged into, so that nut pipe is welded on weldment by carbon dioxide welding machine exactly.But existing nut pipe
Following defect be present in welding manner：The splashing situation of welding slag is than more serious during due to carbon dioxide welding, therefore the welding slag to splash
Can be adhered on alignment pin, and upper alignment pin is easily polluted by greasy dirt etc., so as to cause the position inaccurate of nut pipe, on
Loose contact, impedance increase between alignment pin and nut pipe, and then easily produce the welding flaw such as rosin joint.Someone is Chinese special
A kind of " carbon dioxide welding operation anti-splashing device " is disclosed on sharp document, its notification number is CN204277241U, including by
Acrylic board be made it is transparent block set, block on the torch head being fixed at the top of set in front of torch handle, block the interior of set
Chamber forms the space for operating torch handle.The described set that blocks is arcuate structure or conical structure, blocks the side of set
Wall, which is provided with, can will block set opening and the adjustable buckle for blocking set size.In use, operator can put on it is common compared with
Thin cotton gloves operate, and its cost substantially reduces, and easy to operate, flexible, easily controllable welding quality.Due to hiding
Interstage sleeve is made up of transparent material, and it is visual preferably, does not influence welding operation completely.And due to block set be using Asia
Gram force plate is made, it is ensured that the heat-resisting quantity of set is blocked, can be in the welding surroundings of high temperature using indeformable.It is above-mentioned anti-
Although the welding slag that splinter device can solve the problems, such as to splash influences welding personnel, still can not solve to splash during welding
Welding slag be adhered on alignment pin, so as to influence the positioning precision of nut pipe and welding quality the problem of.
Utility model content
The purpose of this utility model is to solve the precision when nut pipe welds in the presence of automobile manufacturing process not
Height, easily there is the problem of phenomena such as rosin joint, there is provided a kind of nut pipe welding tooling, be advantageously implemented the accurate fixed of nut pipe
Position, and improve the welding quality of nut pipe.
To achieve these goals, the utility model uses following technical scheme：
A kind of nut pipe welding tooling, including for placing the jig of weldment, the jig is provided with down
Alignment pin, the lower alignment pin position is corresponded to above the jig and is provided with guide sleeve on liftable, the upper guiding
Set lower end is provided with the positioning hole being adapted to nut pipe.
The utility model set in the top of jig one can guide sleeve in oscilaltion, when needing welded nut pipe
When, weldment first can be placed and be positioned on jig by we, and alignment pin rises against the upside of weldment at present for this, so
Nut pipe can be placed on corresponding position on weldment by we afterwards, and then upper guide sleeve moves down, upper guide sleeve lower end
Positioning hole can be socketed on nut pipe, so that nut pipe is accurately positioned, and upper guide sleeve reliably crimps with nut pipe,
In order to which nut pipe is welded on weldment.Because the utility model sets positioning hole on upper guide sleeve, that is to say, that spiral shell
It is plugged on during main pipe in positioning hole, and the welding slag that nut pipe splashes in welding will be unable in the positioning hole into upper guide sleeve
, therefore the positioning hole of guide sleeve can be effectively prevented from by welding slag or oil pollution, so that it is guaranteed that upper guide sleeve and nut pipe
Contact is good and is accurately positioned, so as to be advantageous to improve welding quality.
Preferably, the jig be provided with can vertical lifting crane, the crane be provided with crimping gas
Cylinder, the upper guide sleeve are connected to the piston-rod lower end portion of crimping cylinder straight down.
Crimping cylinder can drive guide sleeve to lift, in order to which nut sleeve crimping is positioned on weldment.And liftable
Crane be then advantageous to increase the initial distance between upper guide sleeve and weldment, so as to which convenient be positioned at nut pipe is led
Into set, when crane, which moves down, upper guide sleeve is enclosed on nut pipe upper end, crimping cylinder drives upper guide sleeve to move down and make
Nut pipe is reliably crimped, is positioned on weldment.We can be by adjusting, controlling the lifting speed of crane and upper guide sleeve
Degree, so that while guide sleeve in convenience covers connected nut pipe, quick crimping, the positioning of nut pipe are realized, during improving welding
Efficiency.
Preferably, the jig is provided with vertical lift cylinder and crane location structure, the lifting
Frame is associated with the piston rod that lift cylinder is upward, and when lift cylinder moves down crane, crane location structure makes
Crane is accurately positioned.
Crane location structure can be accurately positioned crane, determine so as to be advantageous to improve between nut pipe and weldment
Position precision.
Preferably, the crane location structure includes being arranged on limited block on jig, on the limited block
Provided with U-shaped stopper slot, the edge of opening of U-shaped stopper slot, which is provided with, is oriented to chamfering, and the crane includes pressure arm, when lift cylinder makes
When crane moves down, pressure arm is fitted in the U-shaped stopper slot.
U-shaped stopper slot can be accurately positioned crane, when pressure arm is moved down close to U-shaped stopper slot, U-shaped stopper slot opening edge
The guiding chamfering of edge can be such that pressure arm smoothly enters in U-shaped stopper slot, so as to reduce crane in lifting to positional precision
It is required that.
Preferably, in the positioning hole of the nut pipe coaxially be provided with can elastic telescopic locating rod, the locating rod
Lower end stretch out the positioning hole, the external diameter of the locating rod is adapted to the internal diameter of nut pipe.
Due to being provided with the locating rod stretched out outside and be adapted to the internal diameter of nut pipe in the positioning hole of nut pipe, therefore, weldering
Nut pipe can be first socketed on the securing lever by we when connecing, and guide sleeve is moved down together with locating rod and nut pipe.When
When nut pipe is against weldment upper surface, upper guide sleeve continues to move down until crimping nut pipe upper end, now locating rod is elastic presses
Contracting；After completing to weld, upper guide sleeve moves up, locating rod now restore and it is protruding until with nut Guan Xiangfen
From.Acted on that is, locating rod can play a coarse positioning to nut pipe, certainly, nut Guan Yingyu locating rods are formed tightly
Coordinate, and chamfering is set in the lower end of locating rod, consequently facilitating by the socket of nut pipe on the securing lever, and make nut pipe clamp
Connect on the securing lever, so as to facilitate the placement of nut pipe, positioning.
Preferably, the positioning hole bottom surface is provided with telescopic hole, the locating rod is slidably connected in the telescopic hole, institute
State to be provided with telescopic hole and compress the inner back-moving spring of locating rod, the side wall of the upper guide sleeve is spacing provided with axially extending
Chute, the gag lever post being slidably connected in the limit sliding chutes is radially provided with the periphery of locating rod.
When upper guide sleeve moves down, nut pipe Contact welding fitting in locating rod when, back-moving spring is compressed, and gag lever post then exists
Moved in limit sliding chutes；When upper guide sleeve moves up, back-moving spring makes locating rod reset stretching, and gag lever post now is in spacing cunning
Moved down in groove and spacing, so that positioning hole is stretched out in the lower end of locating rod.Gag lever post can prevent locating rod and upper guiding
Produce relative rotation between set, can be threadedly coupled on the securing lever conveniently by limit sliding chutes again.
Therefore, the utility model has the advantages that：Being accurately positioned for nut pipe is advantageously implemented, and improves nut
The welding quality of pipe.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the attachment structure schematic diagram of upper guide sleeve and locating rod.
Fig. 3 is the attachment structure schematic diagram of pressure arm and limited block.
In figure：1st, jig 11, crane 111, pressure arm 12, lift cylinder 13, crimping cylinder 2, upper guide sleeve
21st, positioning hole 22, limit sliding chutes 23, telescopic hole 3, limited block 31, U-shaped stopper slot 311, guiding chamfering 4, locating rod
41st, gag lever post 5, back-moving spring 6, weldment 7, nut pipe 8, lower alignment pin.
Embodiment
The utility model is further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, a kind of nut pipe welding tooling, including a jig 1 for being used to place weldment 6,
Crane 11 is set on jig, and the crane and lift cylinder 12 being vertically situated on jig are upwards
Piston rod is associated, so as to by vertical shift above and below lift cylinder driving crane.In addition, a pressure is set on crane
Cylinder 13 is connect, connects guide sleeve 2 on one in the piston-rod lower end portion of crimping cylinder straight down, upper guide sleeve lower end is coaxially
Positioning hole 21 is set, and the aperture of the positioning hole is adapted with the external diameter of nut pipe, so as to which nut pipe is plugged in positioning hole
It is accurately positioned.In addition, we need to also it is corresponding on jig on guide sleeve position set one to be driven by the cylinder, can be upper and lower
The lower alignment pin 8 of lifting.
When needing nut pipe being welded on the weldment of subframe etc, weldment 6 can be first placed on weldering by us
Connect on platform, corresponding positioning fixed mechanism should be set certainly, on jig, so as to make weldment on jig it is accurate
Position and fix.Then alignment pin is descended to rise under the driving of cylinder against the upside of weldment, then we can be by nut pipe 7
The corresponding position on weldment is placed vertically, now lift cylinder acts, so as to drive crane to move down at a slow speed, crane
On positioning hole alignment upper guide sleeve of the upper guide sleeve i.e. on nut pipe, upper guide sleeve, and be partly socketed in guiding
Put.Then cylinder action is crimped, so as to drive upper guide sleeve rapidly to move down, nut pipe is tightly crimped and fixed exactly
Position is on weldment, in order to which nut pipe is welded on weldment.During welding, the welding slag of splashing cannot be introduced into guide sleeve
In positioning hole, therefore the positioning hole of guide sleeve can be effectively prevented from by welding slag or oil pollution, so that it is guaranteed that upper guide sleeve with
The contact of nut pipe is good and is accurately positioned, so as to be advantageous to improve welding quality, it is ensured that can continuously welded nut pipe.
It is understood that we need to set corresponding flow valve in the gas circuit for crimping cylinder, lift cylinder, so as to
In the lifting speed of adjustment, control crane and upper guide sleeve, it is ensured that the positioning of guide sleeve on when crane moves down at a slow speed
Hole can be directed at nut pipe, and crimping cylinder can then drive guide sleeve rapidly to move down and crimp the upper guide sleeve of positioning, to improve
Welding efficiency.In addition, we can also set corresponding crane location structure on jig, the crane location structure bag
The limited block 3 being arranged on jig is included, as shown in figure 3, the U-shaped stopper slot 31 of opening upwards is set on limited block, U-shaped limit
The both ends of position groove insertion limited block, and guiding chamfering 311 is set in the edge of opening of U-shaped stopper slot, and have on crane
The pressure arm 111 laterally set.When lift cylinder driving crane moves down, the relative edge of opening of U-shaped stopper slot is led
The v-shaped structure small in big to chamfering one mouth of formation, so as to form a guide effect to pressure arm, smoothly enters pressure arm
Positioned in U-shaped stopper slot, so as to be advantageous to improve the positioning precision between nut pipe and weldment, and reduce crane and lifting
When requirement to positional precision.
Further, we can also set a telescopic locating rod 4 in upper guide sleeve, and the lower end of locating rod is stretched out
Positioning hole, and the external diameter of locating rod is adapted to the internal diameter of nut pipe.So, nut pipe can first be socketed in and stretches by we during welding
Go out in the locating rod outside the positioning hole of upper guide sleeve, then upper guide sleeve, locating rod and nut pipe synchronously move down.Work as nut
When pipe is against weldment upper surface, upper guide sleeve continues to move down up to crimping nut pipe upper end, now locating rod elastic compression；When
After completing welding, upper guide sleeve is moved up, and locating rod now is restored and protruding until being separated with nut pipe.Also
It is to say, locating rod can play a coarse positioning to nut pipe and act on, and certainly, nut pipe can use the elastomeric material of rubber etc
It is made, and tight fit should be formed with locating rod, while chamfering is set in the lower end of locating rod, consequently facilitating nut pipe is reliable
Ground is socketed on the securing lever, to facilitate the placement of nut pipe, positioning, avoid between nut pipe and upper guide sleeve because of position deviation and
Produce interference.
Further, we can be coaxially disposed a telescopic hole 23 in the bottom surface of positioning hole, and locating rod is slidably connected
In telescopic hole, then set in positioning hole and compress the inner back-moving spring 5 of locating rod, and set in the side wall of upper guide sleeve
The limit sliding chutes 22 axially extended are put, the gag lever post 41 of radial direction is then set on the periphery of locating rod, and gag lever post is slidably connected
In limit sliding chutes, so as to limit the axial movement stroke of locating rod, and it can prevent from producing between locating rod and upper guide sleeve
Relatively rotate.
When upper guide sleeve moves down, nut pipe Contact welding fitting in locating rod when, locating rod is retracted into determining for guide sleeve
In the hole of position, so that back-moving spring is compressed, gag lever post then moves in limit sliding chutes；When upper guide sleeve moves up, bullet is resetted
Spring resets locating rod to stretch out, and gag lever post now moves down and spacing in limit sliding chutes, so that the lower end of locating rod
Stretch out positioning hole.It should be noted that gag lever post can be threaded connection with locating rod, so as to pass through limit sliding chutes with facilitating gag lever post
It is threadedly coupled in locating rod.
Claims (6)
1. a kind of nut pipe welding tooling, including for placing weldment（6）Jig（1）, set on the jig
There is lower alignment pin（8）, it is characterized in that, corresponded to above the jig the lower alignment pin position be provided with it is liftable on lead
To set（2）, the upper guide sleeve lower end is provided with the positioning hole being adapted to nut pipe（21）.
2. a kind of nut pipe welding tooling according to claim 1, it is characterized in that, the jig is provided with can be vertical
The crane of lifting（11）, the crane, which is provided with, crimps cylinder（13）, it is vertical that the upper guide sleeve is connected to crimping cylinder
Downward piston-rod lower end portion.
3. a kind of nut pipe welding tooling according to claim 2, it is characterized in that, the jig is provided with vertical
Lift cylinder（12）And crane location structure, the crane is associated with the piston rod that lift cylinder is upward, works as lifting
When cylinder moves down crane, crane location structure is accurately positioned crane.
4. a kind of nut pipe welding tooling according to claim 3, it is characterized in that, the crane location structure includes setting
Put the limited block on jig（3）, the limited block is provided with U-shaped stopper slot（31）, the crane includes pressure arm
（111）, when lift cylinder moves down crane, pressure arm is fitted in the U-shaped stopper slot.
5. a kind of nut pipe welding tooling according to claim 1, it is characterized in that, it is coaxial in the positioning hole of the nut pipe
Ground be provided with can elastic telescopic locating rod（4）, the lower end of the locating rod stretches out the positioning hole, the external diameter of the locating rod with
The internal diameter adaptation of nut pipe.
6. a kind of nut pipe welding tooling according to claim 5, it is characterized in that, the positioning hole bottom surface is provided with telescopic hole
（23）, the locating rod is slidably connected in the telescopic hole, provided with the reset bullet for compressing locating rod the inner in the telescopic hole
Spring（5）, the side wall of the upper guide sleeve is provided with the limit sliding chutes axially extended（22）, radially set on the periphery of locating rod
There is the gag lever post being slidably connected in the limit sliding chutes（41）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744476.5U CN207104068U (en) | 2017-06-23 | 2017-06-23 | A kind of nut pipe welding tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744476.5U CN207104068U (en) | 2017-06-23 | 2017-06-23 | A kind of nut pipe welding tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207104068U true CN207104068U (en) | 2018-03-16 |
Family
ID=61579093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720744476.5U Active CN207104068U (en) | 2017-06-23 | 2017-06-23 | A kind of nut pipe welding tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207104068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114682986A (en) * | 2022-05-31 | 2022-07-01 | 杭州锐锋金属材料有限公司 | Processing equipment for nut pipe joint |
-
2017
- 2017-06-23 CN CN201720744476.5U patent/CN207104068U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114682986A (en) * | 2022-05-31 | 2022-07-01 | 杭州锐锋金属材料有限公司 | Processing equipment for nut pipe joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211008 Address after: 1528 Hengshan Road, xingai Town, Ningbo Economic and Technological Development Zone, 315000, Zhejiang Province Patentee after: ZHEJIANG JIRUN AUTOMOBILE Co.,Ltd. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 315800 No. 188, Chunxiao Avenue, Chunxiao Town, Beilun District, Ningbo City, Zhejiang Province Patentee before: ZHEJIANG JIRUN CHUNXIAO AUTO PARTS Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |