CN111069825B - Positioning and clamping tool for manual groove plane and arc integrated automatic welding - Google Patents
Positioning and clamping tool for manual groove plane and arc integrated automatic welding Download PDFInfo
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- CN111069825B CN111069825B CN201811215274.7A CN201811215274A CN111069825B CN 111069825 B CN111069825 B CN 111069825B CN 201811215274 A CN201811215274 A CN 201811215274A CN 111069825 B CN111069825 B CN 111069825B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Abstract
The invention relates to a positioning and clamping tool for manual groove plane and arc integrated automatic welding, which is characterized in that: including the support body, it has the recess arc locating surface that supplies cell body male opening to open on the mesa of support body, four corners of open-ended have the surface shape that matches with the cell body corner, recess arc locating surface protrusion open-ended inner wall, open-ended periphery mesa supplies the flange face of cell body to shelve, correspond four corner positions of open-ended in the mesa and all be equipped with the air chamber, the bottom of air chamber is equipped with the air inlet, it has the arc recess and the straight recess that the indent corresponds with welding position to open on the mesa at every air chamber top, it has a plurality of ventholes to open on the bottom surface of arc recess and straight recess, four corners of mesa respectively are equipped with a briquetting, it has the welding guide breach that the welding position that supplies the cell body appears to open on the briquetting. The tool has the advantages of being accurate in clamping position, and capable of avoiding influences of seams during segmented welding and multiple times of arc striking and arc stopping.
Description
Technical Field
The invention relates to a water tank welding tool for welding a stainless steel water tank, in particular to a positioning and clamping tool for manual tank plane and arc integrated automatic welding.
Background
In modern industry, frock clamp appears in each link of product manufacturing in a large number, along with the improvement of industry level, and is more and more high to the precision and the degree of automation of frock clamp, and traditional frock clamp has hardly satisfied the production demand of modernization.
Taking a stainless steel water tank for a dish washing machine as an example, various parts are required to be installed in the stainless steel water tank, the matching relation is multiple, the requirement on precision is very high, after the water tank is bent and formed, the periphery of a notch of the water tank is provided with an outward-turned flange surface, the splicing positions of two adjacent flanges in the periphery of the notch and the arc corners of the flanges and the notch are respectively provided with a welding position, each welding position needs argon arc welding, the welding positions of the splicing positions of the two adjacent flanges are plane welding, and the welding positions of the flanges and the arc corners of the notch are arc welding. The method is limited by a clamp, and the prior method adopts plane welding and arc welding sectional type manual welding, namely, manual plane welding is firstly carried out on a common clamp, and then manual arc welding is carried out on the common clamp.
The welding process has the following defects:
1. the method is limited by the technical characteristics of argon arc welding, the arc starting and arc stopping currents are unstable, the sectional welding is respectively provided with two arc starting positions and two arc stopping positions, the second arc starting position is located at the first arc stopping position, the welding problems such as the breakdown of welding materials at the first arc stopping position and the like are easy to occur, the probability of welding abnormity is increased by a sectional welding mode, meanwhile, the manual welding has higher operation requirements on operators, and meanwhile, the stability cannot be ensured.
2. The thermal deformation in the welding process can not be limited and controlled without a clamping and back gas protection device, so that the appearance fineness is extremely poor, and the polishing workload in the later period is increased.
3. The existing clamp has no back gas protection design so as to cause the workpiece to generate thermal deformation.
In summary, designing a positioning and clamping tool for plane and circular arc integrated automatic welding is an important technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to solve the technical problem of providing a positioning and clamping tool for manual groove plane and arc integrated automatic welding, which has a reasonable structure and accurate groove body clamping position and can avoid the influence of seam, multiple arc starting and arc stopping during sectional welding.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a tight frock of location clamp that integrative automatic weld of manual groove plane circular arc was used which characterized in that: the air storage tank comprises a tank body, an opening for inserting the tank body is formed in the table board of the tank body, four corners of the opening are provided with concave arc-shaped positioning surfaces matched with the outer surface shapes of corners of the tank body, the concave arc-shaped positioning surfaces protrude out of the inner wall of the opening, the table board located at the periphery of the opening is used for placing a flange face of the tank body, air chambers are arranged in the table board corresponding to the four corners of the opening, the bottom of each air chamber is provided with an air inlet, an arc-shaped groove and a straight groove which are concave and correspond to welding positions are formed in the table board at the top of each air chamber, a plurality of air outlet holes communicated with the air chambers are formed in the bottom faces of the arc-shaped groove and the straight groove, four corners of the table board are respectively provided with a pressing block, a welding guide notch for exposing out of the welding positions of the tank body is formed in the pressing block, and the pressing block is driven by an air cylinder and can press the flange face onto the table board or leave the flange face.
The structure is further improved, the corner at the periphery with the best rigidity of the groove body is positioned by the angle R, so that no clearance is reserved between the corner and the outer side of the corner R of the notch, the positioning reliability is improved, and automatic welding is realized conveniently; meanwhile, the four sides of the groove body with larger deformation are avoided, and the taking and the placing are convenient.
Preferably, the table top is provided with grooves corresponding to four corners of the opening, positioning blocks are fixed in the grooves, the bottom surfaces of the positioning blocks are provided with concave cavities, the concave cavities and the bottom surfaces of the grooves enclose the air chamber, the arc-shaped grooves and the straight grooves are arranged on the top surfaces of the positioning blocks, and the positioning blocks are also provided with the inward concave arc-shaped positioning surfaces. The setting of locating piece is convenient to form the air chamber on the mesa, because of the locating piece is less part, does benefit to the processing of arc recess and straight recess simultaneously.
In order to conveniently take out the welded groove body, the middle parts of the side walls of the table board, which are positioned at the left side and the right side of the opening, are provided with concave parts. When the workpiece is taken, the hand passes through the concave part to hook the flange surface, so that the groove body can be lifted.
The improved structure is characterized in that a plurality of limiting columns extending upwards are fixed on the top surface of the periphery of the opening on the table board, and the limiting columns are used for limiting the peripheral edge of the flange surface of the groove body. The limiting column plays a role in assisting the unit flange surface, and the accuracy of the position of the groove body in the opening is facilitated.
Preferably, the rear end of the pressing block is hinged to a connecting seat fixed on the table top, and the air cylinder is used for driving the pressing block to swing. After the briquetting swings, when upwards taking out the cell body, the flange face can not take place to interfere with the briquetting, if the briquetting reciprocates, still need set up unsettled mounting bracket above the mesa.
Compared with the prior art, the invention has the advantages that: the groove body to be welded is limited through the opening, and the peripheral corners with the best rigidity of the groove body are positioned at the R angle through the inwards concave arc-shaped positioning surfaces, so that no gap is reserved between the groove body and the outer side of the R angle of the notch, the positioning reliability is improved, the automatic welding is realized, meanwhile, the four sides of the groove body with large deformation are avoided, and the taking and the placing are facilitated; the flange face of the groove body is pressed and positioned on the table board through the pressing block, the pressing block is provided with a welding guide notch for exposing the welding position of the groove body, so that the groove body can be integrally welded from a plane to an arc, an arc starting point with larger deformation is reserved on the outer side so as to cut off a subsequent process, a vertical edge welding arc receiving point with smaller deformation is reserved on the inner side and in the subsequent process to be coincided, and the influence of arc starting and arc receiving on the welding quality is reduced. The four corner positions corresponding to the openings in the table surface are respectively provided with an air chamber, and the bottom surfaces of the arc-shaped groove and the flat groove at the top of the air chamber are provided with a plurality of air outlet holes communicated with the air chamber, so that inert protective gas can be filled into the air chamber during welding, the welding seam track is covered with back gas for protection, and meanwhile, the air chamber with larger volume plays a certain role in storing and stabilizing air; and carrying out back air structure on the whole straight line section and the whole circular arc section simultaneously to ensure the consistency of air pressure. The protection structure can not only play a certain protection role in weld forming, but also ensure the stable consistency of the back gas, and greatly improve the welding quality.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is an exploded perspective view of FIG. 1;
FIG. 3 is a schematic perspective view of an embodiment of the present invention in use;
FIG. 4 is a partial cross-sectional view of an embodiment of the present invention in use;
FIG. 5 is an exploded perspective view of the trough body in an embodiment of the present invention;
FIG. 6 is a first schematic perspective view of a positioning block according to an embodiment of the present invention;
fig. 7 is a schematic perspective view illustrating a positioning block according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 7, a preferred embodiment of the present invention is shown.
The utility model provides a tight frock of location clamp of integrative automatic weld of manual groove plane circular arc usefulness, comprising a frame body 1, it has the opening 3 that supplies cell body 2 to insert it on the mesa 11 of support body 1, four edges of opening 3 have the interior concave arc locating surface 31 that matches with the surface shape of 2 corners of cell body, interior concave arc locating surface 31 protrusion opening 3's inner wall, after in cell body 2 inserts opening 3 like this, form the clearance between the periphery wall of cell body 2 and the inner wall of opening 3, keep away 2 four sides of the great cell body of empty deflection, made things convenient for to get and put. The table top 11 located on the periphery of the opening 3 is used for placing a flange face 21 of the tank body 2, air chambers 5 are arranged in the table top 11 corresponding to four corner positions of the opening 3, an air inlet 51 is arranged at the bottom of each air chamber 5, an inward concave arc-shaped groove 8a and a straight groove 8b corresponding to a welding position 22 are formed in the table top 11 at the top of each air chamber 5, each welding position 22 consists of a straight line section welding position 22a and an arc section welding position 22b, a plurality of air outlet holes 52 communicated with the air chambers 5 are formed in the bottom faces of the arc-shaped groove 8a and the straight groove 8b, a pressing block 6 is arranged at each of four corners of the table top 11, a welding guide notch 61 for exposing the welding position 22 of the tank body 2 is formed in the pressing block 6, and the pressing block 6 is driven by an air cylinder 4 to press the flange face 21 on the table top 11 or leave the flange face 21. The rear end of the pressing block 6 is hinged to a connecting seat fixed on the table top 11, and the air cylinder 4 is used for driving the pressing block 6 to swing.
The table top 11 is provided with grooves 12 corresponding to four corners of the opening 3, the grooves 12 are internally fixed with positioning blocks 7, the bottom surfaces of the positioning blocks 7 are provided with concave cavities 71, the air chamber 5 is enclosed between the concave cavities 71 and the bottom surfaces of the grooves 12, the arc-shaped grooves 8a and the straight grooves 8b are arranged on the top surfaces of the positioning blocks 7, and the positioning blocks 7 are also provided with the concave arc-shaped positioning surfaces 31.
The table 11 has a recess 32 in the middle of the side walls on the left and right sides of the opening 3. A plurality of limiting columns 9 extending upwards are fixed on the top surface of the periphery of the opening 3 on the table top 11, and the limiting columns 9 are used for limiting the peripheral edge of the flange surface 21 of the groove body 2.
The working principle and the process of the embodiment of the invention are as follows:
during welding, the groove body 2 is placed in the opening 3, the inward concave arc positioning surface 31 extrudes the arc outer surfaces of the corners of the groove body 2 to complete circumferential positioning, and the peripheral corners with the best rigidity of the groove body 2 are subjected to R-angle positioning through the inward concave arc positioning surface 31, so that no gap is formed between the groove body and the outer side of the R-angle of the notch, the positioning reliability is improved, automatic welding is realized, and meanwhile, four sides of the groove body 2 with large deformation are avoided, and taking and placing are facilitated; and then the groove body 2 is pressed downwards until the flange surface 21 is basically placed on the table board 11, each air cylinder 4 correspondingly drives each pressing block 6 to swing, and the pressing blocks 6 press the flange surface 21 on the table board 11.
The pressing block 6 is provided with a welding guide notch 61 for exposing the welding position 22 of the groove body 2, so that the welding can be integrally welded from a plane to an arc, an arc starting point with larger deformation is reserved on the outer side so as to be cut off in the subsequent process, an arc closing point with smaller deformation is reserved on the inner side and is coincided with a vertical edge welding arc closing point in the subsequent process, and the influence of the arc starting and the arc closing on the welding quality is reduced.
The four corner positions corresponding to the opening in the table top 11 are all provided with air chambers 5, and the bottom surfaces of the arc-shaped groove 8a and the flat groove 8b at the top of the air chamber 5 are provided with a plurality of air outlet holes 52 communicated with the air chambers 5, so that inert protective gas can be filled into the air chambers 5 during welding, the welding seam track is covered with back gas protection, and meanwhile, the air chamber 5 with larger volume plays a certain role in storing and stabilizing air pressure; and carrying out back gas structure on the whole straight-line segment welding position 22a and the circular arc segment welding position 22b simultaneously so as to ensure the consistency of the gas pressure. The protection structure can not only play a certain protection role in weld forming, but also ensure the stable consistency of the back gas, and greatly improve the welding quality.
It should be noted that in the description of the present embodiment, the terms "front, back", "left, right", "up, down", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (5)
1. The utility model provides a tight frock of location clamp that integrative automatic weld of manual groove plane circular arc was used which characterized in that: comprises a frame body (1), an opening (3) for inserting the groove body (2) is arranged on a table board (11) of the frame body (1), concave arc-shaped positioning surfaces (31) matched with the outer surface shapes of the corners of the groove body (2) are arranged at four corners of the opening (3), the concave arc-shaped positioning surfaces (31) protrude out of the inner wall of the opening (3), the table board (11) positioned at the periphery of the opening (3) is used for placing a flange surface (21) of the groove body (2), four corner positions corresponding to the opening (3) in the table board (11) are respectively provided with an air chamber (5), the bottom of each air chamber (5) is provided with an air inlet (51), an arc-shaped groove (8a) and a flat straight groove (8b) which are concave and correspond to a welding position (22) are arranged on the table board (11) at the top of each air chamber (5), a plurality of air outlet holes (52) communicated with the air chambers (5) are arranged on the bottom surfaces of the arc-shaped grooves (8a) and the flat grooves (8b), four corners of the table board (11) are respectively provided with a pressing block (6), the pressing block (6) is provided with a welding guide notch (61) for exposing the welding position (22) of the groove body (2), and the pressing block (6) is driven by the air cylinder (4) to press the flange face (21) on the table board (11) or leave the flange face (21).
2. The positioning and clamping tool for the automatic welding of the plane and the circular arc of the manual groove according to claim 1, is characterized in that: four corner positions corresponding to the opening (3) on the table board (11) are provided with grooves (12), positioning blocks (7) are fixed in the grooves (12), concave cavities (71) are formed in the bottom surfaces of the positioning blocks (7), air chambers (5) are enclosed between the concave cavities (71) and the bottom surfaces of the grooves (12), the arc-shaped grooves (8a) and the flat straight grooves (8b) are formed in the top surfaces of the positioning blocks (7), and the positioning blocks (7) are also provided with inwards concave arc-shaped positioning surfaces (31).
3. The positioning and clamping tool for the automatic welding of the plane and the circular arc of the manual groove according to claim 2, is characterized in that: and the middle parts of the side walls of the table board (11) positioned at the left side and the right side of the opening (3) are provided with concave parts (32).
4. The positioning and clamping tool for the automatic welding of the plane and the circular arc of the manual groove according to claim 1, is characterized in that: the top surface of the table top (11) at the periphery of the opening (3) is fixed with a plurality of limiting columns (9) extending upwards, and the limiting columns (9) are used for limiting the peripheral edge of the flange surface (21) of the groove body (2).
5. The positioning and clamping tool for the automatic welding of the plane and the circular arc of the manual groove according to claim 1, is characterized in that: the rear end of the pressing block (6) is hinged to a connecting seat fixed on the table board (11), and the air cylinder (4) is used for driving the pressing block (6) to swing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811215274.7A CN111069825B (en) | 2018-10-18 | 2018-10-18 | Positioning and clamping tool for manual groove plane and arc integrated automatic welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811215274.7A CN111069825B (en) | 2018-10-18 | 2018-10-18 | Positioning and clamping tool for manual groove plane and arc integrated automatic welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111069825A CN111069825A (en) | 2020-04-28 |
| CN111069825B true CN111069825B (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811215274.7A Active CN111069825B (en) | 2018-10-18 | 2018-10-18 | Positioning and clamping tool for manual groove plane and arc integrated automatic welding |
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| CN (1) | CN111069825B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11221671A (en) * | 1998-02-03 | 1999-08-17 | Isuzu Motors Ltd | Jig for welding |
| CN201079893Y (en) * | 2007-08-02 | 2008-07-02 | 沈阳飞机工业（集团）有限公司 | Gas protection welding device |
| CN202684341U (en) * | 2012-07-19 | 2013-01-23 | 苏州迅镭激光科技有限公司 | Automatic welding location device for water groove |
| CN205147650U (en) * | 2015-11-04 | 2016-04-13 | 华士电源科技（江西）有限公司 | Basin welding training machine |
| CN105522266A (en) * | 2016-02-02 | 2016-04-27 | 云南昆船第一机械有限公司 | Butt joint circular seam reverse side gas shielding device for barrel fusion welding |
| CN206084232U (en) * | 2016-08-29 | 2017-04-12 | 宁波方太厨具有限公司 | A work piece rack for basin welding frock |
| CN206689668U (en) * | 2017-05-18 | 2017-12-01 | 佛山市顺德区赛诺斯厨卫用品有限公司 | A kind of device of fixed tank |
-
2018
- 2018-10-18 CN CN201811215274.7A patent/CN111069825B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11221671A (en) * | 1998-02-03 | 1999-08-17 | Isuzu Motors Ltd | Jig for welding |
| CN201079893Y (en) * | 2007-08-02 | 2008-07-02 | 沈阳飞机工业（集团）有限公司 | Gas protection welding device |
| CN202684341U (en) * | 2012-07-19 | 2013-01-23 | 苏州迅镭激光科技有限公司 | Automatic welding location device for water groove |
| CN205147650U (en) * | 2015-11-04 | 2016-04-13 | 华士电源科技（江西）有限公司 | Basin welding training machine |
| CN105522266A (en) * | 2016-02-02 | 2016-04-27 | 云南昆船第一机械有限公司 | Butt joint circular seam reverse side gas shielding device for barrel fusion welding |
| CN206084232U (en) * | 2016-08-29 | 2017-04-12 | 宁波方太厨具有限公司 | A work piece rack for basin welding frock |
| CN206689668U (en) * | 2017-05-18 | 2017-12-01 | 佛山市顺德区赛诺斯厨卫用品有限公司 | A kind of device of fixed tank |
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| CN111069825A (en) | 2020-04-28 |
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