CN112317911B - Slender object brazing coaxial positioning device capable of preventing brazing filler metal from flowing - Google Patents
Slender object brazing coaxial positioning device capable of preventing brazing filler metal from flowing Download PDFInfo
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- CN112317911B CN112317911B CN202011155001.5A CN202011155001A CN112317911B CN 112317911 B CN112317911 B CN 112317911B CN 202011155001 A CN202011155001 A CN 202011155001A CN 112317911 B CN112317911 B CN 112317911B
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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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
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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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
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Abstract
The invention discloses a slender object brazing coaxial positioning device capable of preventing brazing filler metal from flowing, which comprises a supporting chassis, a vertical rod, a fixed body and a coaxial positioning mechanism.
Description
Technical Field
The invention relates to the technical field of welding equipment, in particular to a coaxial positioning device for brazing of a slender object, which can prevent a brazing filler metal from flowing.
Background
Brazing, which is a welding method for connecting metals by filling gaps of solid workpieces with liquid brazing filler metal after the brazing filler metal lower than the melting point of the weldment and the weldment are simultaneously heated to the melting temperature of the brazing filler metal; brazing is divided into brazing and soldering according to different melting points of the brazing filler metal; the brazing deformation is small, the joint is smooth and attractive, and the method is suitable for welding components which are precise, complex and composed of different materials, such as a honeycomb structural plate, a turbine blade, a hard alloy cutter, a printed circuit board and the like; before brazing, the workpiece must be carefully processed and strictly cleaned, oil stains and an excessively thick oxidation film are removed, and an interface assembly gap is ensured; the gap is generally required to be between 0.01 and 0.1 mm; compared with fusion welding, the base metal is not melted during brazing, and only the brazing filler metal is melted; compared with pressure welding, pressure is not applied to the weldment during brazing; the welding seam formed by brazing is called a brazing seam; the filler metal used for brazing is called brazing filler metal; for the brazing process: assembling the workpieces with cleaned surfaces in a lap joint mode, and placing brazing filler metal near or between joint gaps; when the workpiece and the brazing filler metal are heated to a temperature slightly higher than the melting point of the brazing filler metal, the brazing filler metal is melted (the workpiece is not melted), and is sucked into and filled in gaps among the solid workpieces by virtue of capillary action, the liquid brazing filler metal and the workpiece metal are mutually diffused and dissolved, and a brazed joint is formed after condensation.
For the brazing between the slender objects, a good coaxial calibration device is not provided in the prior art, so that in the welding process, the phenomenon of flowing of brazing filler metal often exists in a welding seam, the coaxiality between the upper and lower slender objects to be welded is poor, the requirement of coaxiality cannot be met, the welding quality is affected, the quality of a welded product is reduced, even the product is scrapped, and economic loss is caused.
Disclosure of Invention
The invention aims to provide a coaxial positioning device for brazing of a slender object, which can avoid the flowing of brazing filler metal, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a coaxial positioning device for brazing of a slender object for avoiding flowing of brazing filler metal comprises a supporting base plate, a vertical rod, a fixing body and a coaxial positioning mechanism;
the supporting chassis is fixedly connected with a vertical rod, positioning circular grooves are formed in the vertical rod at equal intervals, the vertical rod is connected with a movable frame in a sliding mode, and one side of the movable frame is fixedly connected with a fixing body;
a first threaded hole is formed in the fixed body, a first knob screw is connected to the inner thread of the first threaded hole in a threaded manner, one end of the first knob screw is fixedly connected with a rotating round block, an arc-shaped extrusion chute is formed in the rotating round block, an L-shaped movable rod is movably connected in the arc-shaped extrusion chute, and the other end of the L-shaped movable rod is fixedly connected with a first movable block;
one side of the first movable block is provided with an extrusion chute, one end of the first movable block is connected with a first return spring, a second movable block is movably connected in the extrusion chute, two sides of the second movable block are both fixedly connected with a lug, one side of the lug is provided with a second return spring, and the lugs are symmetrically and movably arranged on two sides of the movable extrusion block;
one end of the movable extrusion block is symmetrically provided with slopes, the other end of the movable extrusion block is fixedly connected with a movable positioning clamp column, and the same end of the movable extrusion block and the movable positioning clamp column is provided with a third return spring;
one side of the movable frame is fixedly connected with a connecting rod, and the other end of the connecting rod is fixedly connected with a coaxial positioning mechanism.
Preferably, the coaxial positioning mechanism comprises a fixing ring, an annular slot, a second knob screw, a conical head, a first insert block, a second insert block, a movable sleeve ring, an extrusion arc-shaped groove, a convex ring and a fixed clamping groove, the fixing ring is fixedly connected at one end of the connecting rod, the annular slot is arranged in the fixing ring, the second knob screw is in threaded connection with the annular slot, the conical head is fixedly connected at one end of the second knob screw, the first insert block is inserted in the fixing ring at equal intervals, the second insert block is fixedly connected at one end of the first insert block, a fourth reset spring is arranged at the same end of the first insert block and the second insert block, the movable sleeve ring is sleeved on the fixing ring, the extrusion arc-shaped groove is arranged in the movable sleeve ring at equal intervals, the convex ring is fixedly connected at one end of the movable sleeve ring, and the convex ring is inserted in the annular slot, and the inside equidistance of bulge loop has seted up fixed draw-in groove.
Preferably, the movable positioning clamping column corresponds to the positioning circular groove in arrangement position, and the diameter of the movable positioning clamping column is equal to that of the positioning circular groove in arrangement position.
Preferably, the extrusion arc-shaped groove corresponds to the arrangement position of the first inserting block, the arrangement number of the extrusion arc-shaped groove is the same as that of the first inserting block, and the end face of one end of the second inserting block is an arc-shaped face.
Preferably, the coaxial positioning mechanisms are arranged on the vertical rod in two up and down directions, and the central lines of the fixing rings in the up and down coaxial positioning mechanisms are on the same straight line.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the coaxial positioning mechanisms arranged up and down, when a slender object is brazed, a central shaft between two slender objects to be brazed can be calibrated, so that the central lines of the two slender objects to be brazed are positioned on the same straight line, and further, when the slender object is brazed, a welding line is in a flat and uniform state, so that the flow of brazing filler metal during the brazing operation can not be caused, further, the brazing coaxiality is ensured, the brazing quality is ensured, the economic benefit is ensured, and moreover, through the positioning circular groove, the movable frame and the fixed body arranged on the vertical rod, the positions of the up and down coaxial positioning mechanisms can be adjusted, so that the device can adapt to different welding positions, and the working efficiency is improved.
Drawings
FIG. 1 is a left side schematic view of a connection structure according to the present invention;
FIG. 2 is a right side schematic view of a connection structure according to the present invention;
FIG. 3 is a schematic view of the internal connection structure of the fixing body according to the present invention;
FIG. 4 is a schematic view of a connection structure of a first knob screw and a rotary round block according to the present invention;
FIG. 5 is an exploded top view of the coaxial positioning mechanism attachment structure of the present invention;
fig. 6 is an exploded bottom view of the coaxial positioning mechanism attachment structure of the present invention.
In the figure: support chassis 1, vertical pole 2, location circular slot 3, movable frame 4, the fixed body 5, first knob screw 6, rotate the circle piece 7, arc extrusion chute 8, L type movable rod 9, first movable block 10, extrusion chute 11, second movable block 12, lug 13, activity extrusion piece 14, activity location card post 15, connecting rod 16, coaxial positioning mechanism 17, solid fixed ring 1701, annular slot 1702, second knob screw 1703, circular head 1704, first inserted block 1705, second inserted block 1706, activity lantern ring 1707, extrusion arc groove 1708, bulge loop 1709, fixed draw-in groove 1710.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a slender object brazing coaxial positioning device capable of preventing brazing filler metal from flowing comprises a supporting base plate 1, a vertical rod 2, a fixing body 5 and a coaxial positioning mechanism 17;
the supporting chassis 1 is fixedly connected with a vertical rod 2, positioning circular grooves 3 are formed in the vertical rod 2 at equal intervals, the vertical rod 2 is connected with a movable frame 4 in a sliding mode, and a fixing body 5 is fixedly connected to the movable frame 4;
a first threaded hole is formed in the fixed body 5, a first knob screw 6 is connected to the inner portion of the first threaded hole in a threaded manner, one end of the first knob screw 6 is fixedly connected with a rotating round block 7, an arc-shaped extrusion chute 8 is formed in the rotating round block 7, an L-shaped movable rod 9 is movably connected to the inner portion of the arc-shaped extrusion chute 8, and a first movable block 10 is fixedly connected to the other end of the L-shaped movable rod 9;
an extrusion chute 11 is arranged on one side of the first movable block 10, a first return spring is connected to one end of the first movable block 10, a second movable block 12 is movably connected in the extrusion chute 11, two sides of the second movable block 12 are fixedly connected with convex blocks 13, a second return spring is arranged on one side of each convex block 13, and the convex blocks 13 are symmetrically and movably arranged on two sides of a movable extrusion block 14;
one end of the movable extrusion block 14 is symmetrically provided with slopes, the other end of the movable extrusion block is fixedly connected with a movable positioning clamping column 15, and the same end of the movable extrusion block 14 and the movable positioning clamping column 15 is provided with a third return spring;
one side of the movable frame 4 is fixedly connected with a connecting rod 16, and the other end of the connecting rod 16 is fixedly connected with a coaxial positioning mechanism 17.
Further, the movable positioning clamp column 15 corresponds to the positioning circular groove 3 in arrangement position, and the arrangement diameter of the two is equal.
Further, the extrusion arc slot 1708 is corresponding to the first insert 1705 in position and has the same number of sets, and the end face of one end of the second insert 1706 is set to be an arc face.
Further, the coaxial positioning mechanism 17 includes a fixing ring 1701, an annular slot 1702, a second knob screw 1703, a conical head 1704, a first insert 1705, a second insert 1706, a movable collar 1707, an extrusion arc slot 1708, a convex ring 1709, a fixing slot 1710, the fixing ring 1701 is fixedly connected to one end of the connecting rod 16, the annular slot 1702 is formed in the fixing ring 1701, the second knob screw 1703 is screwed to the side of the annular slot 1702, one end of the second knob screw 1703 is fixedly connected to the conical head 1704, the first insert 1705 is equidistantly inserted into the fixing ring 1701, one end of the first insert 1705 is fixedly connected to the second insert 1706, the first insert 1705 is provided with a fourth return spring at the same end as the second insert 1706, the movable collar 1707 is sleeved on the fixing ring 1701, the inner part of the movable collar 1707 is equidistantly provided with the arc slot 1708, one end of the movable collar 1707 is fixedly connected to the convex ring 1709, the protruding ring 1709 is inserted into the annular slot 1702, and fixing slots 1710 are equidistantly formed inside the protruding ring 1709.
Further, the coaxial positioning mechanisms 17 are provided two above and below the vertical rod 2, and the center lines of the fixing rings 1701 in the upper and lower coaxial positioning mechanisms 17 are on the same straight line.
The working principle is as follows: when brazing between slender objects, two objects to be welded are coaxially positioned by the coaxial positioning mechanism 17, before the coaxial positioning mechanism 17 is fixed according to the welding position of the objects to be welded, the position of the coaxial positioning mechanism 17 is changed by the movable connection of the movable frame 4 on the vertical rod 2, and the movable positioning clamping column 15 in the fixed body 5 is clamped with the positioning circular groove 3 on the vertical rod 2 for fixing, in the process, the first knob screw 6 is screwed, so that the rotary circular block 7 is driven to rotate, along with the rotation of the rotary circular block 7, the arc extrusion chute 8 arranged on the rotary circular block 7 extrudes the L-shaped movable rod 9, the L-shaped movable rod 9 drives the first movable block 10 to move, and the extrusion chute 11 on the first movable block 10 extrudes the second movable block 12, and the second movable block 12 also extrudes the movable extrusion block 14, finally the movable positioning clamp column 15 is clamped in the positioning circular groove 3, thus completing the position fixing of the coaxial positioning mechanism 17, after the position positioning of the coaxial positioning mechanism 17 is completed, the object passes through the fixed ring 1701 until the welding positions of the upper and lower welding objects are contacted, then the movable ring 1707 is rotated, along with the rotation of the movable ring 1707, the extrusion arc-shaped groove 1708 extrudes the first insertion block 1705, further the second insertion block 1706 is pushed to clamp and fix the side wall of the object, next the second knob screw 1703 is screwed, the conical head 1704 at one end of the second knob screw 1703 is clamped in the fixed clamping groove 1710 on the convex ring 1709, further the position of the movable ring 1707 is fixed, thus completing the position fixing work of the object, and then the brazing work can be carried out, therefore, for the invention, mainly through the coaxial positioning mechanisms 17 arranged up and down, when the slender objects are brazed, the central shaft between the two slender objects to be brazed can be calibrated, so that the central lines of the two slender objects to be brazed are positioned on the same straight line, and further, when the slender objects are brazed, the welding line is in a flat and uniform state, the flowing of brazing filler metal during the brazing work can not be caused, further, the brazing coaxiality is ensured, the brazing quality is ensured, and the economic benefit is ensured, furthermore, through the positioning circular groove 3, the movable frame 4 and the fixed body 5 arranged on the vertical rod 2, the positions of the up and down coaxial positioning mechanisms 17 can be adjusted, so that the device can adapt to different welding positions, and the working efficiency is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. Avoid the coaxial positioner of slender object brazing that brazing filler metal trickled, its characterized in that: comprises a supporting chassis (1), a vertical rod (2), a fixed body (5) and a coaxial positioning mechanism (17);
the supporting chassis (1) is fixedly connected with a vertical rod (2), positioning circular grooves (3) are formed in the vertical rod (2) at equal intervals, a movable frame (4) is connected onto the vertical rod (2) in a sliding mode, and a fixing body (5) is fixedly connected to one side of the movable frame (4);
a first threaded hole is formed in the fixed body (5), a first knob screw (6) is connected to the inner thread of the first threaded hole in a threaded manner, a rotating round block (7) is fixedly connected to one end of the first knob screw (6), an arc-shaped extrusion chute (8) is formed in the rotating round block (7), an L-shaped movable rod (9) is movably connected to the inside of the arc-shaped extrusion chute (8), and a first movable block (10) is fixedly connected to the other end of the L-shaped movable rod (9);
an extrusion chute (11) is arranged on one side of the first movable block (10), a first return spring is arranged at one end of the first movable block (10), a second movable block (12) is movably connected in the extrusion chute (11), protruding blocks (13) are fixedly connected to two sides of the second movable block (12), a second return spring is arranged on one side of each protruding block (13), and the protruding blocks (13) are symmetrically and movably arranged on two sides of the movable extrusion block (14);
slopes are symmetrically arranged at one end of the movable extrusion block (14), a movable positioning clamping column (15) is fixedly connected to the other end of the movable extrusion block, and a third return spring is arranged at the same end of the movable extrusion block (14) and the movable positioning clamping column (15);
one side of the movable frame (4) is fixedly connected with a connecting rod (16), and the other end of the connecting rod (16) is fixedly connected with a coaxial positioning mechanism (17);
the coaxial positioning mechanism (17) comprises a fixing ring (1701), an annular slot (1702), a second knob screw (1703), a conical head (1704), a first insert block (1705), a second insert block (1706), a movable lantern ring (1707), an extrusion arc-shaped groove (1708), a convex ring (1709) and a fixing clamping groove (1710), wherein the fixing ring (1701) is fixedly connected to one end of a connecting rod (16), the annular slot (1702) is formed in the fixing ring (1701), the second knob screw (1703) is in threaded connection with the annular slot (1702), one end of the second knob screw (1703) is fixedly connected with the conical head (1704), the first insert block (1705) is inserted in the fixing ring (1701) at equal intervals, one end of the first insert block (1705) is fixedly connected with the second insert block (1706), and the first insert block (1705) is provided with a fourth reset spring at the same end as the second insert block (1706), the movable lantern ring (1707) is sleeved on the fixed ring (1701), extrusion arc-shaped grooves (1708) are formed in the movable lantern ring (1707) at equal intervals, a convex ring (1709) is fixedly connected to one end of the movable lantern ring (1707), the convex ring (1709) is inserted into the annular slot (1702), and fixed clamping grooves (1710) are formed in the convex ring (1709) at equal intervals;
the movable positioning clamp column (15) corresponds to the positioning circular groove (3) in arrangement position, and the diameter of the movable positioning clamp column is equal to that of the positioning circular groove;
the extrusion arc-shaped grooves (1708) correspond to the arrangement positions of the first inserting blocks (1705) and are arranged in the same number, and the end face of one end of the second inserting block (1706) is arranged to be an arc-shaped face;
the coaxial positioning mechanisms (17) are arranged on the vertical rod (2) in an up-and-down mode, and the central lines of the fixing rings (1701) in the up-and-down coaxial positioning mechanisms (17) are on the same straight line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011155001.5A CN112317911B (en) | 2020-10-26 | 2020-10-26 | Slender object brazing coaxial positioning device capable of preventing brazing filler metal from flowing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011155001.5A CN112317911B (en) | 2020-10-26 | 2020-10-26 | Slender object brazing coaxial positioning device capable of preventing brazing filler metal from flowing |
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| Publication Number | Publication Date |
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| CN112317911A CN112317911A (en) | 2021-02-05 |
| CN112317911B true CN112317911B (en) | 2022-01-14 |
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| CN202011155001.5A Active CN112317911B (en) | 2020-10-26 | 2020-10-26 | Slender object brazing coaxial positioning device capable of preventing brazing filler metal from flowing |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113560688B (en) * | 2021-09-26 | 2021-12-17 | 徐州振海工程机械有限公司 | Iron tower is built and is used equipment of brazing with locating component |
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| CN203863186U (en) * | 2014-06-10 | 2014-10-08 | 内蒙古工业大学 | Novel clamp for brazing |
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| FR2893522A1 (en) * | 2005-11-21 | 2007-05-25 | Renault Sas | Fabrication of a fuel injection needle of the piezo- electric type with an oscillating valve |
| CN110037809A (en) * | 2019-04-20 | 2019-07-23 | 程冲 | For the fixed device of encircling type breast tissue under nuclear-magnetism environment |
| CN210564084U (en) * | 2019-05-26 | 2020-05-19 | 苏州铭谛铝业有限公司 | Angle-adjustable casement window |
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