CN102357702A - Elastic brazing clamping device for vacuum furnace - Google Patents
Elastic brazing clamping device for vacuum furnace Download PDFInfo
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- CN102357702A CN102357702A CN2011103221214A CN201110322121A CN102357702A CN 102357702 A CN102357702 A CN 102357702A CN 2011103221214 A CN2011103221214 A CN 2011103221214A CN 201110322121 A CN201110322121 A CN 201110322121A CN 102357702 A CN102357702 A CN 102357702A
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Abstract
The invention discloses an elastic brazing clamping device for a vacuum furnace, comprising an upper graphite pad (11), a lower graphite pad (16), an inner graphite pad A(2), an inner graphite pad B (6), a W-shaped tooth-type spring A (1) and a C-shaped clip A (14), wherein the lower bottom surface of each tooth of the W-shaped tooth-type spring A (1) contacts with the upper surface of the inner graphite pad A(2); and the clamping surface of the lower end tip of a C-shaped clip E (20) contacts with the lower surface of the lower graphite pad (16). When the clamping device works, the graphite pads of different thicknesses are chosen to regulate distance between the end tips of the C-shaped clip, i.e. clamping force applied on a cavity and the upper cover plate by the clamping device can be regulated; and the W-shaped tooth-type spring B and the W-shaped tooth-type spring C apply clamping force on the inner cover plate B and the cavity according to the self weight of a pressure plate. According to the elastic brazing clamping device, workpieces containing a step welding surface can be tightly clamped, the elastic brazing clamping device is convenient to assemble and can be repeatedly used, and the deformation amount of the welded workpieces is smaller than 0.02/100mm.
Description
Technical field
The present invention relates to a kind of solder brazing clamping device, particularly a kind of vacuum drying oven solder brazing elastic clamp device.
Background technology
In the control stove important parameter of solder brazing be temperature in the stove, to the pressure and the heat-insulation pressure keeping time of workpiece, wherein influence bigger to the welding quality of solder brazing in the stove and the precision of workpiece to the workpiece applied pressure.The little then weldering of pressure is not firm, influences weldquality; Pressure is the workpiece easy deformation greatly then, influences the dimensional accuracy of workpiece.
The solder brazing clamping device generally relies on hydraulic cylinder or cylinder that workpiece is pressurizeed in the stove that industry is now upward used.After being heated to technological temperature, keep temperature to accomplishing welding procedure.Because the material of anchor clamps and soldered component is different, thermal coefficient of expansion is different, and under the situation of heating, it is poor to produce swell increment, and soldering work piece can produce distortion, can not satisfy appearance and size and fit dimension required precision than higher workpiece welding assembling.
Patent application CN200810243069.1 discloses a kind of weld jig, comprising: upper die and lower die, last graphite pads, following graphite pads, spring, nuts and bolt.Nuts and bolt is realized the effect of clamping work pieces through spring, upper and lower mould, graphite pads is exerted pressure to workpiece up and down.Though this weld jig has guaranteed the high-temperature soldering quality; But complicated operation; And be only applicable to the clamping of the simple workpiece of flat-type; Can not realize that the complicated workpiece of solder side clamps, for example solder side is arranged in groove or solder side is step-like workpiece, just can't use this weld jig to realize the clamping of all solders side.
Summary of the invention
The object of the invention is to provide a kind of vacuum drying oven solder brazing elastic clamp device, solves the problem that present weld jig can't realize that complex part clamps fast.
A kind of vacuum drying oven solder brazing elastic clamp device; Comprise: go up graphite pads, following graphite pads, also comprise: interior graphite pads A, interior graphite pads B, the tooth-like flat spring A of W type, the tooth-like flat spring B of W type, the tooth-like flat spring C of W type, C type folder A, C type folder B, C type folder C, C type folder D, C type press from both sides E, cavity, inner cover plate A, solder A, pressing plate, interior graphite pads B, inner cover plate B, solder B, upper cover plate, solder C.
The material of C type folder A, C type folder B, C type folder C, C type folder D, C type folder E, the tooth-like flat spring A of W type, the tooth-like flat spring B of W type, the tooth-like flat spring C of W type is nickel base superalloy.Following graphite pads is positioned at the bottommost of clamping device.Cavity is a cuboid, and cavity places down the upper surface of graphite pads, and the lower surface of cavity matees with the upper surface size of following graphite pads.Two grooves are arranged on the cavity, and a groove is positioned at the cavity center, and another groove is positioned at cavity one side.Solder A, inner cover plate A, interior graphite pads A place in the groove of cavity one side from bottom to up successively, interior graphite pads A lower surface and inner cover plate A upper surface size coupling.Solder B, inner cover plate B, interior graphite pads B place in the groove at cavity center from bottom to up successively, interior graphite pads B lower surface and inner cover plate B upper surface size coupling.Solder C, upper cover plate and last graphite pads place the cavity upper surface from bottom to up successively, last graphite pads lower surface and upper cover plate upper surface size coupling.C type folder A, C type folder B, C type folder C and the clamping face of C type folder D upper end all contact with the upper surface of last graphite pads, and the clamping face of lower end all contacts with the lower surface of following graphite pads.C type folder A, C type folder B, C type folder C and C type folder D last clamping face separately are positioned on the same plumb line with following clamping face; And be formed centrally a rectangle in four clamping faces that contact with last graphite pads, rectangular four limits are respectively apart from upper cover plate periphery 3mm ~ 15mm.The tooth-like flat spring A of W type, the tooth-like flat spring B of W type, the tooth-like flat spring C of W type shape are identical, and there is the pectination gear piece of vertical arrangement at two ends, and space width is 2 ~ 3 times of the facewidth, and every toothrow number is 1 ~ 5, and the center at top is porose.The bottom surface of each tooth of the tooth-like flat spring A of W type contacts with the upper surface of interior graphite pads A.The clamping face of C type folder E lower end contacts with the lower surface of following graphite pads, and the clamping face of C type folder E upper end embeds in the hole at the tooth-like flat spring A of W type top center place.The tooth-like flat spring B of W type contacts with the upper surface of interior graphite pads B with the bottom surface of each tooth of the tooth-like flat spring C of W type; Tooth-like flat spring B of W type and the tooth-like flat spring C of W type are symmetrical with respect to interior graphite pads B center, and the top of tooth-like flat spring B of W type and the tooth-like flat spring C of W type is than the high 1mm ~ 5mm of upper surface of last graphite pads.Pressing plate places directly over the tooth-like flat spring B of W type and the tooth-like flat spring C of W type and the lower surface of pressing plate contacts with the top of tooth-like flat spring B of W type and the tooth-like flat spring C of W type.
During clamping device work, following graphite pads places on the levelling bench.The distance L of the upper surface of graphite pads and following graphite pads lower surface in the measurement
2Termination distance L with C type folder A14
2', the gauge of graphite pads 11 makes L in the adjustment
2=L
2'+1.5mm.In the clamping four jiaos of graphite pads and following graphite pads respectively of C type folder A, C type folder B, C type folder C and C type folder D.Measure the distance L of upper surface with the following graphite pads lower surface of the tooth-like flat spring A of W type
1Termination distance L with C type folder E
1', the gauge of graphite pads A makes L in the adjustment
1=L
1'+1.5mm.The gauge of graphite pads B in the adjustment makes the upper surface of tooth-like flat spring B of W type and the tooth-like flat spring C of W type exceed upward graphite pads upper surface 2mm ~ 20mm.Pressing plate is pressed in the top of tooth-like flat spring B of W type and the tooth-like flat spring C of W type; The clamping device that assembles is put on the flute profile platform of vacuum brazing furnace with weldment; The following graphite pads of clamping device places on the flute profile platform; The part of graphite pads bottom places the groove of flute profile platform under being lower than, and can weld.Accomplish in the stove of weldment after the welding, from stove, take out workpiece, unload lower platen, the tooth-like flat spring A of W type, the tooth-like flat spring B of W type, the tooth-like flat spring C of W type, C type folder A, C type folder B, C type folder C, C type folder D, C type folder E.
Clamping device of the present invention not only can clamp the workpiece that contains the step solder side, and easy accessibility, can use repeatedly, and postwelding workpiece deformation amount is less than 0.02mm/100mm.
Description of drawings
A kind of vacuum drying oven solder brazing of Fig. 1 elastic clamp device cutaway view;
A kind of vacuum drying oven solder brazing of Fig. 2 elastic clamp device vertical view;
The tooth-like flat spring front view of W type of a kind of vacuum drying oven solder brazing of Fig. 3 elastic clamp device;
The tooth-like flat spring vertical view of a kind of vacuum drying oven solder brazing of Fig. 4 elastic clamp device W type.
1.W 16. times graphite pads 17.C of graphite pads 12. upper cover plates 13. solder C 14.C types folder A 15. cavitys type folder B 18.C type folder C 19.C type presss from both sides D 20.C type and presss from both sides E on the tooth-like flat spring A 2. interior graphite pads A 3. inner cover plate A 4. solder A 5. pressing plates 6. interior tooth-like flat spring C 11. of graphite pads B 7. inner cover plate B 8.W types tooth-like flat spring B 10.W type of type.
The specific embodiment
A kind of vacuum drying oven solder brazing elastic clamp device; Comprise: go up graphite pads 11, following graphite pads 16, also comprise: interior graphite pads A2, interior graphite pads B6, the tooth-like flat spring A1 of W type, the tooth-like flat spring B8 of W type, the tooth-like flat spring C10 of W type, C type folder A14, C type folder B17, C type folder C18, C type folder D19, C type press from both sides E20, cavity 15, inner cover plate A3, solder A4, pressing plate 5, interior graphite pads B6, inner cover plate B 7, solder B9, upper cover plate 12, solder C13.
The material of C type folder A14, C type folder B17, C type folder C18, C type folder D19, C type folder E20, the tooth-like flat spring A1 of W type, the tooth-like flat spring B8 of W type, the tooth-like flat spring C10 of W type is nickel base superalloy.Following graphite pads 16 is positioned at the bottommost of clamping device.Cavity 15 is a cuboid, and cavity 15 places down the upper surface of graphite pads 16, and the lower surface of cavity 15 matees with the upper surface size of following graphite pads 16.Two grooves are arranged on the cavity 15, and a groove is positioned at the cavity center, and another groove is positioned at cavity one side.Solder A4, inner cover plate A3, interior graphite pads A2 place in the groove of cavity one side from bottom to up successively, interior graphite pads A2 lower surface and inner cover plate A3 upper surface size coupling.Solder B9, inner cover plate B7, interior graphite pads B6 place in the groove at cavity center from bottom to up successively, interior graphite pads B6 lower surface and inner cover plate B7 upper surface size coupling.Solder C13, upper cover plate 12 and last graphite pads 11 place the cavity upper surface from bottom to up successively, last graphite pads 11 lower surfaces and upper cover plate 12 upper surface sizes coupling.C type folder A14, C type folder B17, C type folder C18 and the clamping face of C type folder D19 upper end all contact with the upper surface of last graphite pads 11, and the clamping face of lower end all contacts with the lower surface of following graphite pads 16.C type folder A14, C type folder B17, C type folder C18 and C type folder D19 last clamping face separately are positioned on the same plumb line with following clamping face; And be formed centrally a rectangle in four clamping faces that contact with last graphite pads 11, rectangular four limits are respectively apart from upper cover plate periphery 3mm ~ 15mm.The tooth-like flat spring A1 of W type, the tooth-like flat spring B8 of W type, the tooth-like flat spring C10 of W type shape are identical, and there is the pectination gear piece of vertical arrangement at two ends, and space width is 2 times of the facewidth, and every toothrow number is 4, and the center at top is porose.The bottom surface of each tooth of the tooth-like flat spring A1 of W type contacts with the upper surface of interior graphite pads A2.The clamping face of C type folder E20 lower end contacts with the lower surface of following graphite pads 16, and the clamping face of C type folder E20 upper end embeds in the hole at the tooth-like flat spring A1 of W type top center place.The tooth-like flat spring B8 of W type contacts with the upper surface of interior graphite pads B6 with the bottom surface of each tooth of the tooth-like flat spring C10 of W type; Tooth-like flat spring B8 of W type and the tooth-like flat spring C10 of W type are symmetrical with respect to interior graphite pads B6 center, and the top of tooth-like flat spring B8 of W type and the tooth-like flat spring C10 of W type is than the high 1mm ~ 5mm of upper surface of last graphite pads 11.Pressing plate 5 places directly over the tooth-like flat spring B8 of W type and the tooth-like flat spring C10 of W type and the lower surface of pressing plate 5 contacts with the top of tooth-like flat spring B8 of W type and the tooth-like flat spring C10 of W type.
During clamping device work, following graphite pads 16 places on the levelling bench.The distance of the upper surface of graphite pads 11 and following graphite pads 16 lower surfaces is 70mm in the measurement, and the termination distance of C type folder A14 is 70mm, and graphite pads 11 is 71mm with the upper surface of adjusting graphite pads 11 and the distance of following graphite pads 16 lower surfaces in the replacing.In the clamping four jiaos of graphite pads 11 and following graphite pads 16 respectively of C type folder A14, C type folder B17, C type folder C18 and C type folder D19.Measuring the upper surface of the tooth-like flat spring A1 of W type and the distance of following graphite pads 16 lower surfaces is 62mm; The termination distance that the C type presss from both sides E20 is 61mm, and graphite pads A2 is 62.5mm with the upper surface of the tooth-like flat spring A1 of adjustment W type and the distance of following graphite pads 16 lower surfaces in changing.The gauge of graphite pads B6 in the adjustment makes the upper surface of tooth-like flat spring B8 of W type and the tooth-like flat spring C10 of W type exceed upward graphite pads 11 upper surface 2mm.Pressing plate 5 is pressed in the top of tooth-like flat spring B8 of W type and the tooth-like flat spring C10 of W type; The clamping device that assembles is put on the flute profile platform of vacuum brazing furnace with weldment; The following graphite pads 16 of clamping device places on the flute profile platform; The part of graphite pads 16 bottoms places the groove of flute profile platform under being lower than, and can weld.Accomplish in the stove of weldment after the welding, from stove, take out workpiece, unload lower platen 5, the tooth-like flat spring A1 of W type, the tooth-like flat spring B8 of W type, the tooth-like flat spring C10 of W type, C type folder A14, C type folder B17, C type folder C18, C type folder D19, C type folder E20.
Claims (1)
1. vacuum drying oven solder brazing elastic clamp device; Comprise: go up graphite pads (11), following graphite pads (16), it is characterized in that also comprising: interior graphite pads A (2), interior graphite pads B (6), the tooth-like flat spring A of W type (1), the tooth-like flat spring B of W type (8), the tooth-like flat spring C of W type (10), C type folder A (14), C type folder B (17), C type folder C (18), C type folder D (19), C type press from both sides E (20), cavity (15), inner cover plate A (3), solder A (4), pressing plate (5), interior graphite pads B (6), inner cover plate B (7), solder B (9), upper cover plate (12), solder C (13);
The material of C type folder A (14), C type folder B (17), C type folder C (18), C type folder D (19), C type folder E (20), the tooth-like flat spring A of W type (1), the tooth-like flat spring B of W type (8), the tooth-like flat spring C of W type (10) is nickel base superalloy; Following graphite pads (16) is positioned at the bottommost of clamping device; Cavity (15) is a cuboid, and cavity (15) places down the upper surface of graphite pads (16), and the lower surface of cavity (15) matees with the upper surface size of following graphite pads (16); Two grooves are arranged on the cavity (15), and a groove is positioned at the cavity center, and another groove is positioned at cavity one side; Solder A (4), inner cover plate A (3), interior graphite pads A (2) place in the groove of cavity one side from bottom to up successively, interior graphite pads A (2) lower surface and inner cover plate A (3) upper surface size coupling; Solder B (9), inner cover plate B (7), interior graphite pads B (6) place in the groove at cavity center from bottom to up successively, interior graphite pads B (6) lower surface and inner cover plate B (7) upper surface size coupling; Solder C (13), upper cover plate (12) and last graphite pads (11) place the cavity upper surface from bottom to up successively, last graphite pads (11) lower surface and upper cover plate (12) upper surface size coupling; C type folder A (14), C type folder B (17), C type folder C (18) and the clamping face of C type folder D (19) upper end all contact with the upper surface of last graphite pads (11), and the clamping face of lower end all contacts with the lower surface of following graphite pads (16); C type folder A (14), C type folder B (17), C type folder C (18) and C type folder D (19) last clamping face separately are positioned on the same plumb line with following clamping face; And be formed centrally a rectangle in four clamping faces that contact with last graphite pads (11), rectangular four limits are respectively apart from upper cover plate periphery 3mm ~ 15mm; The tooth-like flat spring A of W type (1), the tooth-like flat spring B of W type (8), the tooth-like flat spring C of W type (10) shape are identical, and there is the pectination gear piece of vertical arrangement at two ends, and space width is 2 ~ 3 times of the facewidth, and every toothrow number is 1 ~ 5, and the center at top is porose; The bottom surface of each tooth of the tooth-like flat spring A of W type (1) contacts with the upper surface of interior graphite pads A (2); The clamping face of C type folder E (20) lower end contacts with the lower surface of following graphite pads (16), and the clamping face of C type folder E (20) upper end embeds in the hole at the W tooth-like flat spring A of type (1) top center place; The bottom surface of the tooth-like flat spring B of W type (8) and each tooth of the tooth-like flat spring C of W type (10) contacts with the upper surface of interior graphite pads B (6); Tooth-like flat spring B of W type (8) and the tooth-like flat spring C of W type (10) are symmetrical with respect to interior graphite pads B (6) center, and the top of the tooth-like flat spring C of tooth-like flat spring B of W type (8) and W type (10) is than the high 1mm ~ 5mm of upper surface of last graphite pads (11); Pressing plate (5) place the tooth-like flat spring C of tooth-like flat spring B of W type (8) and W type (10) directly over and the lower surface of pressing plate (5) contact with the top of the tooth-like flat spring C of W type (10) with the tooth-like flat spring B of W type (8);
During clamping device work, following graphite pads (16) places on the levelling bench, the distance L of the upper surface of graphite pads in the measurement (11) and following graphite pads (16) lower surface
2Termination distance L with C type folder A (14)
2', the gauge of graphite pads in the adjustment (11) makes L
2=L
2'+1.5mm; In C type folder A (14), C type folder B (17), C type folder C (18) and the clamping of C type folder D (19) difference four jiaos of graphite pads (11) and following graphite pads (16); Measure the distance L of upper surface with following graphite pads (16) lower surface of the W tooth-like flat spring A of type (1)
1Termination distance L with C type folder E (20)
1', the gauge of graphite pads A (2) makes L in the adjustment
1=L
1'+1.5mm; The gauge of graphite pads B (6) in the adjustment makes the upper surface of the tooth-like flat spring C of tooth-like flat spring B of W type (8) and W type (10) exceed upward graphite pads (11) upper surface 2mm ~ 20mm; Pressing plate (5) is pressed in the top of tooth-like flat spring B of W type (8) and the tooth-like flat spring C of W type (10); The clamping device that assembles is put on the flute profile platform of vacuum brazing furnace with weldment; The following graphite pads (16) of clamping device places on the flute profile platform; The part of graphite pads (16) bottom places the groove of flute profile platform under being lower than, and can weld; After welding in the stove of completion weldment; From stove, take out workpiece, unload lower platen (5), the tooth-like flat spring A of W type (1), the tooth-like flat spring B of W type (8), the tooth-like flat spring C of W type (10), C type folder A (14), C type folder B (17), C type folder C (18), C type folder D (19), C type folder E (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110322121 CN102357702B (en) | 2011-10-21 | 2011-10-21 | Elastic brazing clamping device for vacuum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110322121 CN102357702B (en) | 2011-10-21 | 2011-10-21 | Elastic brazing clamping device for vacuum furnace |
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| Publication Number | Publication Date |
|---|---|
| CN102357702A true CN102357702A (en) | 2012-02-22 |
| CN102357702B CN102357702B (en) | 2013-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110322121 Active CN102357702B (en) | 2011-10-21 | 2011-10-21 | Elastic brazing clamping device for vacuum furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108161305A (en) * | 2017-12-29 | 2018-06-15 | 京信通信系统（中国）有限公司 | Fixing means before the weldering of coaxial cable |
| CN111632789A (en) * | 2020-06-11 | 2020-09-08 | 湖南嘉业达电子有限公司 | Plug-in type atomizing device |
| CN114043031A (en) * | 2021-11-10 | 2022-02-15 | 天津航空机电有限公司 | Intermediate frequency brazing device under atmosphere protection of ignition cable of aircraft engine |
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| US3941293A (en) * | 1969-09-22 | 1976-03-02 | Societe Anonyme Des Usines Chausson | Brazing jig for aluminum radiator cores |
| DE102005030438A1 (en) * | 2005-06-30 | 2007-01-04 | Behr Gmbh & Co. Kg | Clamping device for soldering a multi-part metal unit of especially a heat exchanger is made of a material with lower thermal expansion coefficient and is placed round metal parts in soldering furnace |
| CN101301714A (en) * | 2008-06-17 | 2008-11-12 | 南京工业大学 | Stainless steel plate fin type heat exchanger core body high-temperature brazing jig and manufacturing process thereof |
| CN101428382A (en) * | 2008-11-28 | 2009-05-13 | 南京工业大学 | Welding fixture |
| CN201579576U (en) * | 2010-01-13 | 2010-09-15 | 南车株洲电力机车有限公司 | Welding fixture of robot |
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| US3941293A (en) * | 1969-09-22 | 1976-03-02 | Societe Anonyme Des Usines Chausson | Brazing jig for aluminum radiator cores |
| DE102005030438A1 (en) * | 2005-06-30 | 2007-01-04 | Behr Gmbh & Co. Kg | Clamping device for soldering a multi-part metal unit of especially a heat exchanger is made of a material with lower thermal expansion coefficient and is placed round metal parts in soldering furnace |
| CN101301714A (en) * | 2008-06-17 | 2008-11-12 | 南京工业大学 | Stainless steel plate fin type heat exchanger core body high-temperature brazing jig and manufacturing process thereof |
| CN101428382A (en) * | 2008-11-28 | 2009-05-13 | 南京工业大学 | Welding fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108161305A (en) * | 2017-12-29 | 2018-06-15 | 京信通信系统（中国）有限公司 | Fixing means before the weldering of coaxial cable |
| CN111632789A (en) * | 2020-06-11 | 2020-09-08 | 湖南嘉业达电子有限公司 | Plug-in type atomizing device |
| CN114043031A (en) * | 2021-11-10 | 2022-02-15 | 天津航空机电有限公司 | Intermediate frequency brazing device under atmosphere protection of ignition cable of aircraft engine |
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|---|---|
| CN102357702B (en) | 2013-05-29 |
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