CN203804498U - Thin-walled cylinder joint welding tool - Google Patents
Thin-walled cylinder joint welding tool Download PDFInfo
- Publication number
- CN203804498U CN203804498U CN201420136891.9U CN201420136891U CN203804498U CN 203804498 U CN203804498 U CN 203804498U CN 201420136891 U CN201420136891 U CN 201420136891U CN 203804498 U CN203804498 U CN 203804498U
- Authority
- CN
- China
- Prior art keywords
- plate
- center line
- argon
- thin
- red copper
- 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.)
- Expired - Lifetime
Links
- 238000003466 welding Methods 0.000 title claims abstract description 60
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 116
- 229910052786 argon Inorganic materials 0.000 claims abstract description 58
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 37
- 229910052802 copper Inorganic materials 0.000 claims description 37
- 239000010949 copper Substances 0.000 claims description 37
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000011218 segmentation Effects 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a thin-walled cylinder joint welding tool. The thin-walled cylinder joint welding tool comprises an upper pressing plate component, a back argon plate component and a support component which are sequentially arranged from top to bottom. The thin-walled cylinder joint welding tool is characterized in that by adopting an N-2-1 positioning method and a symmetric segmented skip welding method by means of the tool, welding deformation of thin-walled cylinders such as a gas turbine burner inner cylinder can be controlled within 1 mm.
Description
Technical field
The utility model relates to welding tooling, relates in particular to a kind of thin-wall barrel seam welding tooling based on the protection of N-2-1 positioning principle band back of the body argon, and the normal direction seam deformation that is mainly used in cylindrical shell is controlled, and the protection of the back of the body argon of weld seam.
Background technology
Thin-wall barrel is, with veneer reeling machine, sheet material is rolled into tubular, has a longitudinal seam, need to weld.Because thin-wall barrel welding deformation has complexity, diversity, at high temperature very easily oxidation of some material in addition, needs to rely on a kind of rigidity welding equipment frock with the protection of back of the body argon to control its distortion.The key of the many employings of this type of thin-wall part welding at present air-actuated jaw, but its rigidity deficiency causes, distortion is difficult to control, the protection of back of the body argon is difficult, manufacturing cost is high and the production cycle is long.
Summary of the invention
The problem existing for above-mentioned prior art; the purpose of this utility model is to provide a kind of thin-wall barrel seam welding tooling; there is multi-spot segmentation and step up, be with back of the body argon protection, good rigidly, simple and practical feature; can solve the problems such as thin-wall barrel welding deformation, back of weld oxidation, frock rigidity deficiency, and frock low cost of manufacture, with short production cycle.
The technical solution of the utility model is:
A thin-wall barrel seam welding tooling, comprises by the top board parts that set gradually from top to bottom, back of the body argon plate member, bracket component;
Described top board parts comprise pressing plate and the red copper backing plate thereof of arranged superposed, on pressing plate occupies, on plate face, have the welding gun groove of vertical perforation pressing plate, backing plate, in welding gun groove both sides, be respectively equipped with row's tapped through hole, in hole, is furnished with holding screw, two row's tapped through holes are arranged symmetrically with respect to welding gun groove, and at least three of every row's holding screw quantity, as cylindrical shell normal direction anchor point; A side at welding gun groove is provided with two technique lugs, is fixed on pressing plate, and this technique lug withstands cylinder body outer wall, as the tangential anchor point of cylindrical shell;
Described back of the body argon plate member comprises back of the body argon plate and the red copper backing plate thereof of arranged superposed, on red copper backing plate occupies, the end face of red copper backing plate is as the positioning reference plane of clamping cylindrical shell, tail end at red copper backing plate is provided with a limited step, for the one end of withstanding cylindrical shell, as drum shaft, to anchor point, this anchor point and above-mentioned normal direction, tangential anchor point are realized N-2-1 positioning principle jointly; End face at back of the body argon plate has the groove of longitudinal perforation along its center line, this groove and red copper backing plate surround and form back of the body argon chamber; In red copper backing plate center line both sides, have two row's apertures, with respect to center line, be arranged symmetrically with, as argon gas, enter the passage of weld seam; Four bights at back of the body argon plate are respectively equipped with connecting bolt, and its double-screw bolt runs through copper plate, top board parts, and fastening nut can be fixed top board parts and back of the body argon plate member.
As preferably, the row-to-row distances of described two row's apertures are slightly less than weld seam bottom width, and every row's aperture is longitudinally being uniformly distributed, and two row's apertures are zigzag interlaced arrangement in opposite directions, make argon gas evenly enter weld seam both sides.
As preferably, on the pressing plate plate face in outside, described welding gun groove two ends, be carved with respectively center line markings a, these center line markings a overlaps with the center line of welding gun groove; On the backing plate plate face in outside, welding gun groove two ends, be carved with respectively center line markings b, these center line markings b is corresponding with center line markings a; On copper plate, be carved with center line markings c, after cylindrical shell is fixing, center line markings a, b, c projection in the vertical direction overlaps.
As preferably, described welding gun groove is the surface groove of " V " tee section, 45 ° of inclination angle of inclined plane.
As preferably, described tapped through hole is screw-threaded counterbore, and correspondingly, holding screw is hexagon socket countersunk flat cap head screw.
As preferably, described bracket component comprises support, assembly pulley, hinge; Described support consists of a rectangle underframe and a pair of trapezoidal frame assembly welding, the end face of two frames is as the datum level of installing pressing plate component, back of the body argon plate member, on the end face of a frame, be provided with hinge, the tail end of described back of the body argon plate member is hinged by hinge and frame; On the end face of another frame, be provided with assembly pulley, this assembly pulley has top sheave and the lower sheave of arranged superposed, wherein, lower sheave is fixed on the end face of frame, top sheave is connected with the head end of argon plate member, between upper and lower pulley, does not connect mutually, makes the head end of carrying on the back argon plate member become free end, can lifting, with support opening and closing.
As preferably, the effective depth of described assembly pulley, hinge is identical, makes the end face of red copper backing plate that cylindrical shell positioning reference plane carry on the back argon plate in level.
The invention has the beneficial effects as follows:
1, this frock is based on N-2-1 positioning principle and symmetrical segmentation wandering sequence principle design, N-2-1 positioning principle (N-2-1 locating principle) is for flexible thin part, in the yielding feature of normal orientation, to be put forward on the basis that is adopting the calculus of variations to determine traditional 3-2-1 positioning fixture locating point position in 1996 by people such as Cai W., its main thought is: on the first datum level, arrange and go to limit the distortion of this direction (being cylindrical shell normal direction) more than three anchor points, be i.e. the first points N >=3, datum level location; Simultaneously because the minimum geometrical deviation of clamping place application point all may cause sheet member to produce huge amount of deflection and potential unstability, therefore forbid, at tow sides, anchor point is set simultaneously.Symmetrical segmentation wandering sequence is the selection process of thin-wall workpiece welding, can control to greatest extent welding deformation, the weldering of this frock combines optimum localization method and optimum welding procedure, and the structural rigidity of this device is also fine, with it, weld thin-wall barrel, within welding deformation being controlled to 1mm.
2, the protection of back of the body argon is effective, the equal non-oxidation of back of weld, and weld seam all meets quality standard requirement.
3. this welding equipment frock is with short production cycle, with low cost, sturdy and durable, easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of this frock;
Fig. 2 is the top board modular construction schematic diagram of this frock;
Fig. 3 is the back of the body argon plate member structural representation of this frock;
Fig. 4 is the bracket component structural representation of frock;
Fig. 5 is the working state schematic representation of frock.
In figure: 1, top board parts; 2, back of the body argon plate member; 3, bracket component; 11, top board; 12, holding screw; 13, top board red copper backing plate; 14, technique lug; 15, welding gun groove; 16, graticule a; 17, graticule b; 18, tapped through hole; 21, back of the body argon plate; 22, back of the body argon plate red copper backing plate; 23, back of the body argon chamber; 24, step; 25, graticule c; 31, assembly pulley; 32, hinge; 33, support.
The specific embodiment
As shown in Figure 1, Figure 2, Figure 3 shows: this frock comprises by the top board parts 1 that set gradually from top to bottom, back of the body argon plate member 2 and bracket component 3 and forming.
Described top board parts 1 comprise pressing plate 11 and the red copper backing plate 13 thereof of arranged superposed, pressing plate 11 occupies, on plate face, have the welding gun groove 15 of vertical perforation pressing plate 11, red copper backing plate 13, in welding gun groove 15 both sides, be respectively equipped with row's tapped through hole 18, in hole, is furnished with holding screw 12, two row's tapped through holes 18 are arranged symmetrically with respect to welding gun groove 15, and at least three of every row's holding screw 12 quantity, as cylindrical shell normal direction anchor point; A side at welding gun groove 15 is provided with two technique lugs 14, is fixed on pressing plate 11, and this technique lug 14 withstands cylinder body outer wall, as the tangential anchor point of cylindrical shell.
Described back of the body argon plate member 2 comprises back of the body argon plate 21 and the red copper backing plate 22 thereof of arranged superposed, red copper backing plate 22 occupies, the end face of red copper backing plate 22 is as the positioning reference plane of clamping cylindrical shell, tail end at red copper backing plate 22 is provided with a limited step 24, for the one end of withstanding cylindrical shell, as drum shaft, to anchor point, this anchor point and above-mentioned normal direction, tangential anchor point are realized N-2-1 positioning principle jointly; End face at back of the body argon plate 21 has the groove of longitudinal perforation along its center line, this groove and red copper backing plate 22 surround and form back of the body argon chamber 23; In red copper backing plate 22 center line both sides, have two row's apertures, with respect to center line, be arranged symmetrically with, as argon gas, enter the passage of weld seam; Four bights at back of the body argon plate 21 are respectively equipped with connecting bolt, and its double-screw bolt runs through red copper backing plate 22, top board parts 1, and fastening nut can be fixing with back of the body argon plate member 2 by top board parts 1.
In top board parts 1 and back of the body argon plate member 2, red copper backing plate 13,22 being set respectively, is in order to protect drum surface not to be scratched.
In above-mentioned structure, welding gun groove 15 is the surface groove of " V " tee section preferably, and 45 ° of inclination angle of inclined plane, to observe the situation in weld seam molten bath.Tapped through hole 18 is preferably screw-threaded counterbore, and correspondingly, holding screw 12 use hexagon socket countersunk flat cap head screws, make its compact conformation, is convenient to clamping operation, while revolving screw, does not interfere with each other.
On the pressing plate 11 plate faces in welding gun groove 15 outsides, two ends, be carved with respectively center line markings a16, these center line markings a16 overlaps with the center line of welding gun groove 15, is convenient to contraposition when clamping cylindrical shell.
On the red copper backing plate 13 plate faces in welding gun groove 15 outsides, two ends, be carved with respectively center line markings b17, these center line markings b17 is corresponding with center line markings a16, is convenient to contraposition when pressing plate 11 and red copper backing plate 13 are installed.
On red copper backing plate 22, be carved with center line markings c25, be convenient to carry on the back argon plate member 2 and top board parts 1 centering when cylindrical shell is installed.After cylindrical shell is fixing, middle line index a16, b17, c25 projection in the vertical direction overlaps.
As shown in Figure 4: described bracket component 3 comprises support 33, assembly pulley 31, hinge 32; Described support 33 consists of a rectangle underframe and a pair of trapezoidal frame assembly welding, the end face of two frames is as the datum level of installing pressing plate component 1, back of the body argon plate member 2, on the end face of a frame, be provided with hinge 32, the tail end of described back of the body argon plate member 2 is hinged by hinge 32 and frame; On the end face of another frame, be provided with assembly pulley 31, this assembly pulley 31 has top sheave and the lower sheave of arranged superposed, wherein, lower sheave is fixed on the end face of frame, and top sheave is connected with the head end of argon plate member 2, between top sheave, lower sheave, does not connect mutually, make the head end of carrying on the back argon plate member 2 become free end, can lifting, with support opening and closing, to put cylindrical shell while using into.The effective depth of assembly pulley 31, hinge 32 is identical, and making cylindrical shell positioning reference plane is that the end face of copper plate 22 is in level.
As shown in Figure 5, this frock is installed and used sequentially as follows:
(1), unload the nut on top board parts 1, take off top board parts 1.
(2), the free end of mentioning back of the body argon plate member 2, the space by thin-wall barrel to be welded between two groups of pulleys of assembly pulley 31 is sent into, and then puts down the free end of back of the body argon plate member 2.
(3), adjust thin-wall barrel to be welded position, its one end is contacted with limited step, realize axial location, be loaded on pressing plate component 1, the outer wall of cylindrical shell is contacted with two technique lugs 14, realize tangentially location.
(4), the holding screw of weld seam both sides is tightened, compacting weld seam butt joint edge, realizes normal direction location;
(5), pass into after argon gas, segmented node quantity and welding sequence according to segmentation spot welding, impose spot welding to segmented node one by one, until be soldered all segmented node;
(6), pass into after argon gas, according to number of fragments and the welding sequence of segmentation weldering, one by one to every section of welding, until be soldered whole piece weld seam, postwelding takes out cylindrical shell by reverse erection sequence.
Claims (7)
1. a thin-wall barrel seam welding tooling, comprises by the top board parts that set gradually from top to bottom, back of the body argon plate member, bracket component;
Described top board parts comprise pressing plate and the red copper backing plate thereof of arranged superposed, on pressing plate occupies, on plate face, have the welding gun groove of vertical perforation pressing plate and red copper backing plate thereof, in welding gun groove both sides, be respectively equipped with row's tapped through hole, in hole, is furnished with holding screw, two row's tapped through holes are arranged symmetrically with respect to welding gun groove, and at least three of every row's holding screw quantity, as cylindrical shell normal direction anchor point; A side at welding gun groove is provided with two technique lugs, is fixed on pressing plate, and this technique lug withstands cylinder body outer wall, as the tangential anchor point of cylindrical shell;
Described back of the body argon plate member comprises back of the body argon plate and the red copper backing plate thereof of arranged superposed, on red copper backing plate occupies, the end face of red copper backing plate is as the positioning reference plane of clamping cylindrical shell, tail end at red copper backing plate is provided with a limited step, for the one end of withstanding cylindrical shell, as drum shaft, to anchor point, this anchor point and above-mentioned normal direction, tangential anchor point are realized N-2-1 positioning principle jointly; End face at back of the body argon plate has groove along its center line, and this groove and red copper backing plate surround and form back of the body argon chamber; In red copper backing plate center line both sides, have two row's apertures, with respect to center line, be arranged symmetrically with, as argon gas, enter the passage of weld seam; Four bights at back of the body argon plate are respectively equipped with connecting bolt, and its double-screw bolt runs through red copper backing plate, top board parts, and fastening nut can be fixed top board parts and back of the body argon plate member.
2. thin-wall barrel seam welding tooling as claimed in claim 1, it is characterized in that, the row-to-row distance of described two row's apertures is slightly less than weld seam bottom width, and every row's aperture is longitudinally being uniformly distributed, two row's apertures are zigzag interlaced arrangement in opposite directions, make argon gas evenly enter weld seam both sides.
3. thin-wall barrel seam welding tooling as claimed in claim 1, is characterized in that, on the pressing plate plate face in outside, welding gun groove two ends, is carved with respectively center line markings a, and these center line markings a overlaps with the center line of welding gun groove; On the backing plate plate face in outside, welding gun groove two ends, be carved with respectively center line markings b, these center line markings b is corresponding with center line markings a; On copper plate, be carved with center line markings c, after cylindrical shell is fixing, center line markings a, b, c projection in the vertical direction overlaps.
4. thin-wall barrel seam welding tooling as claimed in claim 1, is characterized in that, described welding gun groove is the surface groove of " V " tee section, 45 ° of inclination angle of inclined plane.
5. thin-wall barrel seam welding tooling as claimed in claim 1, is characterized in that, described tapped through hole is screw-threaded counterbore, and correspondingly, holding screw is hexagon socket countersunk flat cap head screw.
6. thin-wall barrel seam welding tooling as claimed in claim 1, is characterized in that, described bracket component comprises support, assembly pulley, hinge; Described support consists of a rectangle underframe and a pair of trapezoidal frame assembly welding, the end face of two frames is as the datum level of installing pressing plate component, back of the body argon plate member, on the end face of a frame, be provided with hinge, the tail end of described back of the body argon plate member is hinged by hinge and frame; On the end face of another frame, be provided with assembly pulley, this assembly pulley has top sheave and the lower sheave of arranged superposed, wherein, lower sheave is fixed on the end face of frame, top sheave is connected with the head end of argon plate member, between upper and lower pulley, does not connect mutually, makes the head end of carrying on the back argon plate member become free end, can lifting, with support opening and closing.
7. thin-wall barrel seam welding tooling as claimed in claim 6, is characterized in that, the effective depth of described assembly pulley, hinge is identical, makes the end face of red copper backing plate that cylindrical shell positioning reference plane carry on the back argon plate in level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420136891.9U CN203804498U (en) | 2014-03-25 | 2014-03-25 | Thin-walled cylinder joint welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420136891.9U CN203804498U (en) | 2014-03-25 | 2014-03-25 | Thin-walled cylinder joint welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203804498U true CN203804498U (en) | 2014-09-03 |
Family
ID=51443307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420136891.9U Expired - Lifetime CN203804498U (en) | 2014-03-25 | 2014-03-25 | Thin-walled cylinder joint welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203804498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442920A (en) * | 2017-08-01 | 2017-12-08 | 中国船舶重工集团公司第七二五研究所 | A kind of thin-wall barrel high energy beam precision welding frock and welding method |
-
2014
- 2014-03-25 CN CN201420136891.9U patent/CN203804498U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442920A (en) * | 2017-08-01 | 2017-12-08 | 中国船舶重工集团公司第七二五研究所 | A kind of thin-wall barrel high energy beam precision welding frock and welding method |
| CN107442920B (en) * | 2017-08-01 | 2020-03-17 | 中国船舶重工集团公司第七二五研究所 | High-energy beam precision welding tool and welding method for thin-wall cylindrical body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |