CN102357702B - Elastic brazing clamping device for vacuum furnace - Google Patents
Elastic brazing clamping device for vacuum furnace Download PDFInfo
- Publication number
- CN102357702B CN102357702B CN 201110322121 CN201110322121A CN102357702B CN 102357702 B CN102357702 B CN 102357702B CN 201110322121 CN201110322121 CN 201110322121 CN 201110322121 A CN201110322121 A CN 201110322121A CN 102357702 B CN102357702 B CN 102357702B
- Authority
- CN
- China
- Prior art keywords
- type
- tooth
- flat spring
- graphite pads
- folder
- 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.)
- Active
Links
Images
Landscapes
- Jigs For Machine Tools (AREA)
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 elastic brazing clamping device for vacuum furnace.
Background technology
In the control stove important parameter of solder brazing be temperature in the stove, to pressure and heat-insulation pressure keeping time of workpiece, wherein larger to the Accuracy of the welding quality of solder brazing in the stove and workpiece to the workpiece applied pressure.The little then weldering of pressure is not firm, affects weldquality; Pressure greatly then workpiece is out of shape easily, affects the dimensional accuracy of workpiece.
The solder brazing clamping device generally relies on hydraulic cylinder or cylinder that workpiece is pressurizeed in the stove of present industrial application.After being heated to technological temperature, keep temperature to finishing welding procedure.Because the material of anchor clamps and soldered component is different, thermal coefficient of expansion is different, and in the situation of heating, it is poor to produce swell increment, and soldering work piece can produce distortion, can not satisfy the higher workpiece assemble welding of appearance and size and fit dimension required precision.
Patent application CN200810243069.1 discloses a kind of weld jig, comprising: upper die and lower die, upper graphite pads, lower graphite pads, spring, nuts and bolt.Nuts and bolt is realized the effect of clamping work pieces by spring, upper and lower mould, graphite pads is exerted pressure to workpiece up and down.Although 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 the Workpiece clamping of solder side complexity, for example solder side is arranged in groove or solder side is step-like workpiece, just can't realize with this weld jig the clamping of all solders side.
Summary of the invention
The object of the invention is to provide a kind of elastic brazing clamping device for vacuum furnace, solves the problem that present weld jig can't be realized the complex part Quick-clamped.
A kind of elastic brazing clamping device for vacuum furnace, comprise: upper graphite pads, lower 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 folder E, cavity, inner cover plate A, solder A, pressing plate, 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.Lower graphite pads is positioned at the bottommost of clamping device.Cavity is cuboid, and cavity places the upper surface of lower graphite pads, and the upper surface size of the lower surface of cavity and lower graphite pads coupling.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 upper graphite pads place the cavity upper surface from bottom to up successively, upper 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 upper graphite pads, and the clamping face of lower end all contacts with the lower surface of lower graphite pads.C type folder A, C type folder B, C type folder C and C type folder D upper clamping face and lower clamping face separately are positioned on the same plumb line, and be formed centrally a rectangle in four clamping faces that contact with upper 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 longitudinal 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 lower 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, the tooth-like flat spring B of W type and the tooth-like flat spring C of W type are with respect to interior graphite pads B Central Symmetry, and the top of the 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 upper 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 the tooth-like flat spring B of W type and the tooth-like flat spring C of W type.
During clamping device work, lower graphite pads places on the levelling bench.The distance L of the upper surface of graphite pads and lower 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 lower graphite pads respectively of C type folder A, C type folder B, C type folder C and C type folder D.Measure the upper surface of the tooth-like flat spring A of W type and the distance L of lower graphite pads lower surface
1Termination distance L with C type folder E
1', the gauge of graphite pads A makes L in adjusting
1=L
1'+1.5mm.The gauge of graphite pads B makes the upper surface of the tooth-like flat spring B of W type and the tooth-like flat spring C of W type exceed upper graphite pads upper surface 2mm～20mm in adjusting.Pressing plate is pressed in the top of the 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 lower graphite pads of clamping device places on the flute profile platform, the part that is lower than lower graphite pads bottom places the groove of flute profile platform, can weld.Finish 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 Reusability, and postwelding workpiece deformation amount is less than 0.02mm/100mm.
Description of drawings
A kind of elastic brazing clamping device for vacuum furnace cutaway view of Fig. 1;
A kind of elastic brazing clamping device for vacuum furnace top view of Fig. 2;
The tooth-like flat spring front view of the W type of a kind of elastic brazing clamping device for vacuum furnace of Fig. 3;
The tooth-like flat spring top view of a kind of elastic brazing clamping device for vacuum furnace W of Fig. 4 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 folder D 20.C type folder E on the tooth-like flat spring C 11. of tooth-like flat spring A 2. interior graphite pads A 3. inner cover plate A, 4. solder A 5. pressing plates, the 6. interior graphite pads B 7. inner cover plate B 8.W types tooth-like flat spring B 10.W types of type
The specific embodiment
A kind of elastic brazing clamping device for vacuum furnace, comprise: upper graphite pads 11, lower 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 folder E20, cavity 15, inner cover plate A3, solder A4, pressing plate 5, inner cover plate B7, 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.Lower graphite pads 16 is positioned at the bottommost of clamping device.Cavity 15 is cuboid, and cavity 15 places the upper surface of lower graphite pads 16, and the upper surface size of the lower surface of cavity 15 and lower graphite pads 16 coupling.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 upper graphite pads 11 place the cavity upper surface from bottom to up successively, upper 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 upper graphite pads 11, and the clamping face of lower end all contacts with the lower surface of lower graphite pads 16.C type folder A14, C type folder B17, C type folder C18 and C type folder D19 upper clamping face and lower clamping face separately are positioned on the same plumb line, and be formed centrally a rectangle in four clamping faces that contact with upper 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 longitudinal 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 lower 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, the tooth-like flat spring B8 of W type and the tooth-like flat spring C10 of W type are with respect to interior graphite pads B6 Central Symmetry, and the top of the 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 upper 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 the tooth-like flat spring B8 of W type and the tooth-like flat spring C10 of W type.
During clamping device work, lower graphite pads 16 places on the levelling bench.The distance of the upper surface of graphite pads 11 and lower graphite pads 16 lower surfaces is 70mm in the measurement, and the termination distance of C type folder A14 is 70mm, replaces with graphite pads 11 take the distance of the upper surface of adjusting upper graphite pads 11 and lower graphite pads 16 lower surfaces as 71mm.In the clamping four jiaos of graphite pads 11 and lower 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 lower graphite pads 16 lower surfaces is 62mm, the termination distance of C type folder E20 be 61mm, and graphite pads A2 is take the distance of the upper surface of the tooth-like flat spring A1 of adjustment W type and lower graphite pads 16 lower surfaces as 62.5mm in changing.The gauge of graphite pads B6 makes the upper surface of the tooth-like flat spring B8 of W type and the tooth-like flat spring C10 of W type exceed upper graphite pads 11 upper surface 2mm in adjusting.Pressing plate 5 is pressed in the top of the 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 lower graphite pads 16 of clamping device places on the flute profile platform, the part that is lower than lower graphite pads 16 bottoms places the groove of flute profile platform, can weld.Finish 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. elastic brazing clamping device for vacuum furnace, comprise: upper graphite pads (11), lower graphite pads (16) characterized by further comprising: interior graphite pads A(2), interior graphite pads B(6), the tooth-like flat spring A(1 of W type), the tooth-like flat spring B(8 of W type), the tooth-like flat spring C(10 of W type), 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), cavity (15), inner cover plate A(3), solder A(4), pressing plate (5), inner cover plate B(7), solder B(9), upper cover plate (12), solder C(13);
C type folder A(14), material 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(1 of W type), the tooth-like flat spring B(8 of W type), the tooth-like flat spring C(10 of W type) is nickel base superalloy; Lower graphite pads (16) is positioned at the bottommost of clamping device; Cavity (15) is cuboid, and cavity (15) places the upper surface of lower graphite pads (16), and the upper surface size of the lower surface of cavity (15) and lower graphite pads (16) coupling; 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 successively from bottom to up in the groove of cavity one side 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 successively from bottom to up in the groove at cavity center 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 upper graphite pads (11) place the cavity upper surface, upper graphite pads (11) lower surface and upper cover plate (12) upper surface size coupling from bottom to up successively; C type folder A(14), C type folder B(17), C type folder C(18) and the C type press from both sides D(19) clamping face of upper end all contacts with the upper surface of upper graphite pads (11), the clamping face of lower end all contacts with the lower surface of lower graphite pads (16); C type folder A(14), C type folder B(17), C type folder C(18) and the C type press from both sides D(19) separately upper clamping face and lower clamping face be positioned on the same plumb line, and be formed centrally a rectangle in four clamping faces that contact with upper graphite pads (11), rectangular four limits are respectively apart from upper cover plate periphery 3mm～15mm; The tooth-like flat spring A(1 of W type), the tooth-like flat spring B(8 of W type), the tooth-like flat spring C(10 of W type) shape is identical, there is the pectination gear piece of longitudinal arrangement at two ends, space width is 2～3 times of the facewidth, every toothrow number is 1～5, the center at top is porose; The tooth-like flat spring A(1 of W type) bottom surface and the interior graphite pads A(2 of each tooth) upper surface contact; C type folder E(20) clamping face of lower end contact with the lower surface of lower graphite pads (16), and the C type presss from both sides E(20) the tooth-like flat spring A(1 of clamping face embedding W type of upper end) in the hole at top center place; The tooth-like flat spring B(8 of W type) with the tooth-like flat spring C(10 of W type) bottom surface and the interior graphite pads B(6 of each tooth) upper surface contact, the tooth-like flat spring B(8 of W type) with the tooth-like flat spring C(10 of W type) with respect to interior graphite pads B(6) Central Symmetry, the tooth-like flat spring B(8 of W type) and the tooth-like flat spring C(10 of W type) the top than the high 1mm～5mm of upper surface of upper graphite pads (11); Pressing plate (5) places the tooth-like flat spring B(8 of W type) with the tooth-like flat spring C(10 of W type) directly over and the lower surface and the tooth-like flat spring B(8 of W type of pressing plate (5)) with the tooth-like flat spring C(10 of W type) the top contact;
During clamping device work, lower graphite pads (16) places on the levelling bench, the distance L of the upper surface of graphite pads in the measurement (11) and lower graphite pads (16) lower surface
2With C type folder A(14) the termination distance L
2', the gauge of graphite pads in the adjustment (11) makes L
2=L
2'+1.5mm; C type folder A(14), C type folder B(17), C type folder C(18) and C type folder D(19) graphite pads (11) and lower graphite pads (16) four jiaos in the difference clamping; The tooth-like flat spring A(1 of measurement W type) upper surface and the distance L of lower graphite pads (16) lower surface
1With C type folder E(20) the termination distance L
1', graphite pads A(2 in adjusting) gauge, make L
1=L
1'+1.5mm; Graphite pads B(6 in adjusting) gauge makes the tooth-like flat spring B(8 of W type) and the tooth-like flat spring C(10 of W type) upper surface exceed upper graphite pads (11) upper surface 2mm～20mm; Pressing plate (5) is pressed in the tooth-like flat spring B(8 of W type) and the tooth-like flat spring C(10 of W type) the top, the clamping device that assembles is put on the flute profile platform of vacuum brazing furnace with weldment, the lower graphite pads (16) of clamping device places on the flute profile platform, the part that is lower than lower graphite pads (16) bottom places the groove of flute profile platform, can weld; Finish in the stove of weldment after the welding, from stove, take out workpiece, unload lower platen (5), the tooth-like flat spring A(1 of W type), the tooth-like flat spring B(8 of W type), the tooth-like flat spring C(10 of W type), 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102357702A CN102357702A (en) | 2012-02-22 |
| CN102357702B true CN102357702B (en) | 2013-05-29 |
Family
ID=45583114
Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102357702B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108161305B (en) * | 2017-12-29 | 2020-09-29 | 京信通信技术(广州)有限公司 | Welding method 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 |
| CN114043031B (en) * | 2021-11-10 | 2023-05-23 | 天津航空机电有限公司 | Medium-frequency brazing device under protection of aeroengine ignition cable atmosphere |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 | High-temperature brazing clamp for stainless steel plate fin type heat exchanger core 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 |
-
2011
- 2011-10-21 CN CN 201110322121 patent/CN102357702B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 | High-temperature brazing clamp for stainless steel plate fin type heat exchanger core 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102357702A (en) | 2012-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102357702B (en) | Elastic brazing clamping device for vacuum furnace | |
| CN100488709C (en) | Deformable welding fixture for splicing welded blank with linear and curved weld seams | |
| CN105784472A (en) | Welding strength test fixture and test method | |
| CN110333137A (en) | A kind of thin-walled plate tube material compression performance test sample, fixture and method | |
| CN205394057U (en) | Quick hold -down device for milling machine with dynamometry function | |
| CN110385462A (en) | A kind of outer circle part abnormity positioning drilling tool fixture and clamping method | |
| CN206732428U (en) | Four plate-side plate welding fixtures of casing | |
| CN104374361A (en) | Plate creep extensometer | |
| CN207858059U (en) | Fixture and laser-beam welding machine | |
| CN203371038U (en) | Flexible clamp for metal part laser deposition manufacturing on basis of preset reverse clamping principle | |
| CN103008950B (en) | Tool capable of applying pressure to carry out electron beam auxiliary heat action connection | |
| CN214601948U (en) | Powder laying scraper replacing device for additive manufacturing | |
| CN103084771B (en) | Open-close type frock clamp structure for forming die hinge welding | |
| CN111347181B (en) | Laser welding positioning tool and processing technology for vibrating cylinder pressure sensor assembly | |
| CN110434372A (en) | A kind of thin plate drilling tool fixture and its clamping method | |
| CN206216167U (en) | Support frame plates welding tooling | |
| CN108655529A (en) | Battery cooler core is brazed clamping tooling | |
| CN215825141U (en) | Sample clamp | |
| CN211220330U (en) | Quick change tool for precise flat tongs | |
| CN219005094U (en) | High-precision welding type quick and accurate anode fixing and positioning die | |
| CN215447700U (en) | Measuring tool for detecting outer diameter and tooth-shaped span bar distance of transmission shaft | |
| CN113334273A (en) | Elastic pressing device for antenna processing | |
| CN218343059U (en) | Pressing mechanism of injection molding gold stamping device | |
| CN111940980A (en) | Sheet welding tool clamp and using method thereof | |
| CN114054888A (en) | Novel clamp for vacuum brazing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |