CN1206360A - Method and device for working joint between two elements - Google Patents
Method and device for working joint between two elements Download PDFInfo
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- CN1206360A CN1206360A CN 96199451 CN96199451A CN1206360A CN 1206360 A CN1206360 A CN 1206360A CN 96199451 CN96199451 CN 96199451 CN 96199451 A CN96199451 A CN 96199451A CN 1206360 A CN1206360 A CN 1206360A
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- seam
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Abstract
In a joint between two elements (2, 3), where jointing compound (8) is applied in a bead along the joint, the bead of jointing compound is worked according to the invention into a predetermined cross-sectional shape by a cutting shaping tool (16) being moved along the bead and planing off an outer layer (19) therefrom, at the same time as the planed-off outer layer is removed by suction. A polyurethane-based sealant can be used with advantage as the jointing compound. A suitable tool consists of a suction nozzle (16) with a suction opening (17a) and a cutting implement (18) mounted on an edge thereof which can plane off and guide an upper layer of the jointing compound bead into the suction opening, to be taken away.
Description
The present invention is relevant with the method for working joint between two parts, thereby cement is applied in the seam along joint; The present invention is also relevant with the forming tool of this joint of processing between two parts.The present invention is favourable to the connection that is included between two parts in the car body especially.
In auto manufacturing, must form a pleasing transition attractive in appearance between two parts that connect together, for example the transition between the visible body part of car body appearance.Common method be for example between two body parts by an ornamental tape, use special securing member and just can cover a weld seam.Another kind method is to obtain an in fact invisible joint by filler and sand milling.In the above two kinds of cases, material and technology are complicated more when making car body, therefore want to obtain a pleasing joint attractive in appearance with a kind of more plain mode.In order to reach this purpose, want the partially filled a kind of polyvinyl chloride fluid sealant of ditch shape between two parts and after surface treatment, spray paint again, yet, this fluid sealant causes variety of issue, just under big temperature difference environment, car body under normal circumstances can ftracture, but the advantage of this cement is than being easier to operation.
The objective of the invention is to make and be pleasing combination attractive in appearance between two parts with simple and safe method.
The inventive method is to implement like this, promptly cut into the shape instrument along the seam direction skin that moves and shoot off from above by one, the seam of cement will form certain cross sectional shape so, and the skin under digging is simultaneously removed by the suction on the finished top that is positioned at seam.The good transition that is shaped so just is provided between two parts simply, easily.The fineness of Surface Machining do not need to accomplish further surface treatment just paintable, all so just processes easily in same direction with forming seam if planish, if cement adds and planish and all carry out that processing can also be simplified so under same operation.When these two parts are included in the car body and form a groove along the joint, the further advantage of the present invention is that cement adds the interior amount of groove and accomplishes after processing, form a smooth transition between the two parts surfaces part of adjacent grooves, so just can accomplish simply and packing ratio broad and dark groove effectively, thereby obtain a pleasing joint attractive in appearance.
According to the present invention, the fluid sealant of handy polyurethane-base is as cement, and this cement can stand the test of the big temperature difference but also a smooth surface is provided, but, since its consistence and viscosity, work in-process, and this cement can not be grasped and handle satisfactorily in the past.
If when planing, forming tool is supported at least one parts, so just can obtain transition of feeling quite pleased between two parts.
According to the present invention, along the joint, the cement weld seam is arranged, the used instrument of working joint is made up of a suction pipe and a cutter that is contained in suction edge that has suction inlet between two parts, the edge of a knife of this cutter points to away from above-mentioned suction inlet direction, thereby when at the instrument of processing seam when seam moves, can shoot off the outer of seam and the importing suction inlet of the skin under this planes and remove of this instrument.Cement under avoiding like this digging is wrapped on the parts that engaged in the both sides of seam, simultaneously, remaining seam will obtain a smooth surface,
The cutter of forming tool preferably has a machined surface corresponding to the predetermined cross-sectional shape of seam, and like this, remaining seam will produce the wide type shape of a variation.If suction pipe is a pipeline section cutter at its free end then is positioned to an annulus that limits suction inlet that the shape of forming tool is just fairly simple so.
If cutter and suction inlet are the interchangeable workpiece that is preferably plastics, so just additionally increased the purposes of this instrument.By making workpiece with suitable plastic, just can reach the attendant advantages that easily is slidably engaged agent along plastics, workpiece also obtains some elasticity easily simultaneously.
If above-mentioned instrument also comprises a distributing pipe that is used to add cement, so just obtained a utility of the present invention, the opening of distributing pipe and suction pipe is faced mutually, and the result finishes a joint that processes with regard to an available individual tool in once-through operation.
To the narration of most preferred embodiment, will understand and understand attendant advantages of the present invention and feature from hereinafter.
Fig. 1 illustrates a perspective view that adds the device of cement;
Fig. 2 is illustrated among Fig. 1 along the profile that II-the II hatching is got;
Fig. 3 is illustrated among Fig. 1 along the cutaway view that III-the III hatching is got;
Fig. 4 illustrates one and removes the perspective view that protrudes the cement device;
Fig. 5 is illustrated among Fig. 4 along the cutaway view that V-the V hatching is got;
Fig. 6 illustrates the end-view that installs among Fig. 4;
Fig. 7 is illustrated among Fig. 6 along the cutaway view that VII-the VII hatching is got;
Fig. 8 illustrates the example of another embodiment of joint of the present invention;
Fig. 9 illustrates the used suitable tools of this embodiment among Fig. 8;
Figure 10 illustrates a combination tool that adds and remove cement.
In auto manufacturing, a plurality of body parts formation one car body welded together, Fig. 1 illustrates the transition portion between the roof part 2 and car side part 3 in the left part of car body 1, and it has constituted the C ellbeam of car body, so be positioned at after tail gate opening 4 or the side window and before the rear view window (not shown).Two car body spares 2,3 are made the transition that makes between them promptly has a groove 5 along 6 (see figure 2)s of the weld seam between the car body spare.
As shown in Figure 1, the distributing pipe 9 by distributor 7 is filled with cement 8 in the groove 5, thus when distributor 7 when arrow 10 directions move, cement is inserted (see figure 3)s in the groove 5 fully.For cement is added equably, distributor 7 is provided with a drive unit 11 that comprises a driving wheel 12, and this driving wheel 12 is at the uniform velocity rotation on resting in roof part 2.Distributor 7 is provided with two handles that are used to operate 13,14 and adjusters 15, can regulate the cement flow by them, cement is even seam and joins in the groove 5 like this, certainly also can add cement in another way rather than illustrate that is a kind of, for example, the operator manually moves distributing pipe along groove 5.
According to the present invention, 8 of a part of cements that add in the groove 5 when remaining cement is shaped in groove will be removed, and form smooth, a uniform transition like this between the adjacently situated surfaces of car body spare 2 and 3.Fig. 4 is shown specifically said process, and the forming tool of suction pipe 16 forms that link to each other with the aspirator (not shown) moves along above-mentioned arrow 10 directions along groove 5 with being an angle, and just the moving direction with distributor 7 is identical.In the place ahead of suction pipe 16 a replaceable plane spare of installing 17 is arranged, dig part here in a tubular form and a suction inlet 17a arranged.Dig part 17 in addition and also have one and be circular cutting tool 18, the car body spare 2 of this instrument 18 and qualification groove 5 is with above 3 top contacts and rests in.Be shown specifically in Fig. 6 and Fig. 7, cutting tool 18 is the form of a blade that are the forward direction blade, so when suction pipe 16 moves forward, can the shoot off skin 19 of cement seam of blade.The translational speed by revising suction pipe 16 suitably and the suction force of aspirator are dug cement skin 19 down so and are not collided with any car body spare 2,3 with regard to sucking plane part 17 and aspirator.Thereby also can then just provide desired seamlessly transitting to reach and car body spare 2 by making cutting tool 18 some elasticity and definite shape to car body spare on every side, 3 excellent contact, as shown in Figure 5, it is surperficial 20 so just to make cement remaining in the groove 8 obtain one smooth, uniform processing, and this surface 20 has constituted good transition between car body spare 2 and 3 surfaces.Neither need root out the part of overflowing at the cement edge according to the present invention and also need not carry out surface treatment.Then, the cement that processes can directly carry out maintenance, for example carries out maintenance with the IR technology and sprays paint.
In sum, by the shape of digging part 17, the shape of cement finished surface also is certain so.Fig. 8 illustrates a part of car door 21, along the crease between two door skins 22 and 23, a fully fluid sealant seam 24 of processing is arranged, and sealing splicing seam has been planished with the hermatic door edge and conveniently sprayed paint.By suction pipe that adopts plane spare 17 shapes shown in Figure 9 and the wide type that makes the required seam 24 of cutting tool 18 generations, so just can obtain the cross sectional shape of illustrated seam 24.According to whole seam of cement or the required cross sectional shape of part seam, can adopt the multiple different embodiment that digs part 17.
Up to the present, illustrated with suitable and rest in the bracing or strutting arrangement on the processed joint adjacent components, can entirely manually also can be semi-automatic, add fluid sealant step by step and the fluid sealant of shooting off.Yet as shown in figure 10, also can adopt a kind of general utility tool 25, in general utility tool, comprise the plane spare 17 of suction pipe 16, by anchor clamps 26 and link with the distributing pipe 9 of distributor 7.When moving by arrow 10 directions, just can in once-through operation, finish by general utility tool 25 interpolation and the cement of shooting off simultaneously according to narration above.In order to reach the degree of depth that will shoot off in the seam place and to process the required shape of seam, the bracing or strutting arrangement that correct design rests on the car body spare also is vital, thereby could obtain a uniform cement seam.
Adopt the polyurethane-base fluid sealant to prove favourable as cement, a kind of name is called TOGOCOLLFM541/92113, and the fluid sealant of selling with the EMS-TOGOAG title in Switzerland is particularly suitable for purpose of the present invention.This product is an one pack system, polyurethane-base, and the fluid sealant of heat setting has desirable viscosity, attached property of superior lacquer and outstanding cold toughness.The heat setting scope of this fluid sealant is 20～30 minutes at 100 ° to 180 ℃ temperature-times.Density when 20 ℃ of room temperatures is 1.56 gram per centimeters
3By using this kind cement,, except obtaining good joint sealing,, can also use simple and advantageous manner setting fluid sealant for simplified manufacturing technique according to the present invention.No longer need extra processing before being enough to after heat setting, spray paint with the surface smoothness of above-mentioned planing operation gained.
The principle of the method and apparatus of the invention described above can be applicable to automobile making others out of trade naturally, as long as can be fit to its needs.
According to the present invention, outside seam, dig cement down and can be collected in the handtailor container the aspirator in order to usefulness more later on, preferably adopt the IR-technology to carry out as for the cement maintenance after planing.
Claims (11)
1. the method for working joint between two parts (2,3), wherein along joint, add cement (8) at seam crossing, it is characterized in that, cutting into shape instrument (16) with one moves and digs next skin (19) from seam crossing along seam, skin under the plane on the seam processing part is removed with suction simultaneously, and the seam of cement (8) then is processed into certain cross sectional shape like this.
2. method according to claim 1 is characterized in that, the direction of planing is identical with the direction that forms seam.
3. method according to claim 2 is characterized in that, finishes in same operation and adds cement and remove cement.
4. according to each described method in the claim 1 to 3, parts (2,3) are included in the car body and along joint and form a groove (5) herein, it is characterized in that, cement (8) adds in the groove (5), and its addition accomplishes to be processed into the section of seamlessly transitting (20) between the parts surface of adjacent grooves.
5. according to each described method in the claim 1 to 4, it is characterized in that the fluid sealant of polyurethane-base is as cement.
6. according to each described method in the claim 1 to 5, it is characterized in that in when planing, forming tool (16) is supported in the above-mentioned parts (2,3) at least one.
7. the instrument of working joint between two parts (2,3), the seam (8) that a cement is arranged along joint, it is characterized in that, this forming tool is one and has the suction pipe (16) of suction inlet (17a) and the cutter (18) that is contained in its edge, this cutter has a blade away from suction inlet, thereby when shaping instrument work in-process when seam moves, the shoot off skin (19) of seam and the skin of this seam imported suction inlet (17a) and remove of cutter (18).
8. forming tool according to claim 7 is characterized in that, cutter (18) has a machined surface corresponding to the wide type of certain cross sectional shape in the seam at least one section.
9. according to claim 7 or 8 described forming tools, it is characterized in that suction pipe has a tubular sections (17), settle one at its free end and be circular cutter (18) that this cutter defines suction inlet (17a).
10. according to each described forming tool in the claim 7 to 9, it is characterized in that cutter (18) and suction inlet (17a) are all with the interchangeable preferably form setting of plane spare (17) made of plastic.
11., it is characterized in that this forming tool also comprises a distributing pipe (9) that is used to add cement according to each described forming tool in the claim 7 to 10, the opening of above-mentioned distributing pipe (9) and suction pipe (16) is faced mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96199451 CN1206360A (en) | 1995-12-28 | 1996-12-20 | Method and device for working joint between two elements |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE95047023 | 1995-12-28 | ||
| CN 96199451 CN1206360A (en) | 1995-12-28 | 1996-12-20 | Method and device for working joint between two elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1206360A true CN1206360A (en) | 1999-01-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96199451 Pending CN1206360A (en) | 1995-12-28 | 1996-12-20 | Method and device for working joint between two elements |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1206360A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302189C (en) * | 2002-01-25 | 2007-02-28 | 佩尔戈(欧洲)股份公司 | Process for sealing of a joint with a glue that is activated by a fluid |
| CN107873093A (en) * | 2015-09-08 | 2018-04-03 | 宝马股份公司 | Method and apparatus for creating automobile body profile |
| CN108212678A (en) * | 2016-12-09 | 2018-06-29 | 波音公司 | Sealant applicator tip and the method for applying sealant material |
| CN112893039A (en) * | 2021-01-19 | 2021-06-04 | 东风汽车集团股份有限公司 | Glue gun positioning auxiliary device and glue gun structure |
-
1996
- 1996-12-20 CN CN 96199451 patent/CN1206360A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302189C (en) * | 2002-01-25 | 2007-02-28 | 佩尔戈(欧洲)股份公司 | Process for sealing of a joint with a glue that is activated by a fluid |
| CN107873093A (en) * | 2015-09-08 | 2018-04-03 | 宝马股份公司 | Method and apparatus for creating automobile body profile |
| CN108212678A (en) * | 2016-12-09 | 2018-06-29 | 波音公司 | Sealant applicator tip and the method for applying sealant material |
| US10814346B2 (en) | 2016-12-09 | 2020-10-27 | The Boeing Company | Methods for applying sealant |
| CN112893039A (en) * | 2021-01-19 | 2021-06-04 | 东风汽车集团股份有限公司 | Glue gun positioning auxiliary device and glue gun structure |
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