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CN107963443A - A kind of carrying mechanism of vacuum brazing stove - Google Patents

A kind of carrying mechanism of vacuum brazing stove Download PDF

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Publication number
CN107963443A
CN107963443A CN201711484420.1A CN201711484420A CN107963443A CN 107963443 A CN107963443 A CN 107963443A CN 201711484420 A CN201711484420 A CN 201711484420A CN 107963443 A CN107963443 A CN 107963443A
Authority
CN
China
Prior art keywords
carrying
bar
welding
tablet
folding
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.)
Granted
Application number
CN201711484420.1A
Other languages
Chinese (zh)
Other versions
CN107963443B (en
Inventor
李向东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Cai Electronic Technology Co Ltd
Original Assignee
Shandong Cai Electronic Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Cai Electronic Technology Co Ltd filed Critical Shandong Cai Electronic Technology Co Ltd
Priority to CN201711484420.1A priority Critical patent/CN107963443B/en
Publication of CN107963443A publication Critical patent/CN107963443A/en
Priority to DE202018006533.1U priority patent/DE202018006533U1/en
Priority to PCT/CN2018/088221 priority patent/WO2019128063A1/en
Priority to JP2020536576A priority patent/JP7165737B2/en
Priority to DE112018006652.5T priority patent/DE112018006652T9/en
Application granted granted Critical
Publication of CN107963443B publication Critical patent/CN107963443B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74Feeding, transfer, or discharging devices of particular kinds or types
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00Soldering, e.g. brazing, or unsoldering
    • B23K1/008Soldering within a furnace
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00Soldering, e.g. brazing, or unsoldering
    • B23K1/0008Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
    • B23K1/0016Brazing of electronic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/04Heating appliances
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/08Auxiliary devices therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G41/00Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
    • B65G41/001Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames with the conveyor adjustably mounted on the supporting frame or base
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/20Auxiliary treatments, e.g. aerating, heating, humidifying, deaerating, cooling, de-watering or drying, during loading or unloading; Loading or unloading in a fluid medium other than air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/36Electric or electronic devices
    • B23K2101/42Printed circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Tunnel Furnaces (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

A kind of carrying mechanism of vacuum brazing stove, belongs to vacuum welding technical field.It is characterized in that:Including carrying bar(24)And it is arranged on welding booth(18)Elevating mechanism, translation mechanism and the open-and-close mechanism of downside, carry bar(24)Two are symmetrically arranged with, and carries bar(24)Middle part be arranged on welding booth(18)It is interior, open-and-close mechanism at the same time with two carrying bars(24)It is connected and drives its folding, translation mechanism is connected with open-and-close mechanism and drives it to be moved along the direction closer or far from discharge end, and elevating mechanism is connected with translation mechanism and drives its lifting, each carries bar(24)On be equipped with multiple supporting parts, welding booth(18)Interior welding bench(20)On be provided with and the one-to-one resigning mouthful in supporting part.The carrying mechanism of this vacuum brazing stove realizes the movement for carrying bar in three dimensions, and flexible movements, carry the supporting part on bar and move on the downside of tablet, and avoiding tablet both ends stretching welding bench causes to deform.

Description

A kind of carrying mechanism of vacuum brazing stove
Technical field
A kind of carrying mechanism of vacuum brazing stove, belongs to vacuum welding technical field.
Background technology
Diode, triode, silicon-controlled or bridge when electronic component is in production, it is necessary to upper tablet and lower tablet it Between welding chip, the technique be referred to as close piece.The specific work process for closing piece is as follows:Brushed firstly the need of in the upside of lower tablet Tin cream, and chip is placed on to the specific location of lower tablet, then upper tablet that downside is painted with to tin cream overlays blanking On the upside of piece, then mould head cover will be welded and covered on welding baffle plate, finally welding mould is sent into soldering furnace and is welded.Tablet Welding need to carry out in a vacuum furnace.
The Chinese utility model patent of Application No. 201420820418.2 discloses a kind of continuity vacuum brazing stove, its Have the following technical problems in use:
(1)In order to facilitate conveying of the transmission mechanism to tablet, it is necessary to which plummer is stretched out at the both ends of tablet, transmission mechanism passes through tablet Tablet is held up and conveyed by the extension at both ends, and since the tablet after heating is softer, the extension at tablet both ends can be downward Bending, so as to cause the position of the chip at tablet both ends can not be aligned with the contact of tablet, so as to cause to occur not conforming to largely Lattice product;
(2)Tablet temperature after welding is excessive, and cooling velocity is slower, and tablet is oxidized easily after removing vacuum treatment installation, and And the tablet temperature for removing board is still excessive, worker directly can not be handled tablet;
(3)Transmission mechanism is to carry out support to tablet by the both ends of tablet when being conveyed to tablet, and the tablet after heating is softer, leads to It is easy to the problem of tablet deforms and departs from transmission mechanism occur when crossing both ends support tablet, work is very unstable.
The content of the invention
The technical problem to be solved in the present invention is:A kind of flexible movements are overcome the deficiencies of the prior art and provide, make tablet can The carrying mechanism of vacuum brazing stove that tablet deforms is avoided to be integrally placed on welding bench.
The technical solution adopted by the present invention to solve the technical problems is:The carrying mechanism of the vacuum brazing stove, its feature It is:Including elevating mechanism, translation mechanism and the open-and-close mechanism carried bar and be arranged on the downside of welding booth, carry bar and symmetrically set Two are equipped with, and carries and is arranged in the middle part of bar in welding booth, open-and-close mechanism is connected with two carrying bars at the same time and drives it to open Close, translation mechanism is connected with open-and-close mechanism and drives it to be moved along the direction closer or far from discharge end, elevating mechanism and translation Mechanism is connected and drives its lifting, and each carry is equipped with multiple supporting parts on bar, weld be provided with indoor welding bench with The one-to-one resigning mouthful in supporting part.
Preferably, the both ends of the welding booth are closed by end cap, and the both sides of each end cap, which are symmetrically arranged with, removes Mouth is transported, bar is carried and is connected through carrying port with open-and-close mechanism, bottom and the welding bench of end cap are arranged at intervals.
Preferably, each end cap both sides are symmetrically arranged with baffle mounting groove, and plane is with removing where baffle mounting groove Transport the central axis of bar, be slidably fitted with baffle in baffle mounting groove, baffle is slided and is tightly connected with carrying bar, baffle and The end cap of respective side is engaged the end part seal of welding booth.
Preferably, the downside of the welding booth is equipped with carrying the one-to-one carrying and installation arm of bar, carrying and installation arm Both ends be connected with the carrying bar both ends of respective side, open-and-close mechanism is connected with two carrying and installation arms.
Preferably, the open-and-close mechanism includes horizontally disposed folding guide plate and folding power plant module, folding are led Between two carrying bars are arranged on to plate, the both sides of folding guide plate, which are equipped with along close to the direction of discharge end is gradually inside, inclines Ramp-like folding guide part, it is each to carry the folding directive wheel for being mounted on fitting on the downside of bar with folding guide part, two The folding spring in extended state is equipped between carrying bar, folding power plant module is connected with folding guide plate and drives its edge to lean on Moved close or remote from the direction of discharge end.
Preferably, the elevating mechanism includes lifting guide pad and carries lifting cylinder, is set on the upside of lifting guide pad The skewed lifting guide part gradually downward along the direction of close discharge end is equipped with, is provided with and lifts on the downside of translation mechanism The lifting directive wheel that guide part fits, carry the piston rod of lifting cylinder be connected with lifting guide pad and promote it along close or Move in direction away from discharge end.
Preferably, the welding bench is heating zone close to the side of feed end, and welding bench is close to the side of discharge end Protection gas air inlet pipe is provided with cooling zone, welding booth or bell.
Preferably, the welding bench includes polylith heating plate and polylith coldplate, and polylith heating plate is spliced into heating Area, polylith coldplate are spliced into cooling zone.
Preferably, the both sides of the heating plate described in every piece are symmetrically arranged with electrothermal tube, and biography is provided with the middle part of heating plate Sensor mounting hole, sensor mounting hole are the blind hole being arranged between two electrothermal tubes, and temperature biography is provided with sensor mounting hole Sensor.
Preferably, the both sides of the coldplate are symmetrically arranged with intake tunnel, at least one end of coldplate be provided with The drainage channel of two intake tunnels connection.
Preferably, liquid-collecting cover is provided with the downside of the welding booth, the two bottom sides of liquid-collecting cover are by sidepiece to middle part Gradually downward skewed, liquid-collecting cover bottom is equipped with liquid-collecting cover outlet tube.
Preferably, flexible module is both provided between each supporting part and carrying mechanism, the center line and material of module of stretching The moving direction of piece is parallel, and the pars contractilis for module of stretching is set towards the middle part of tablet, is provided with multiple stations on welding bench, often The both sides of a station are symmetrically arranged with the multiple and matched resigning mouthful in supporting part.
Compared with prior art, beneficial effect possessed by the present invention is:
1st, the open-and-close mechanism of the carrying mechanism of this vacuum brazing stove can drive two carrying bar foldings, and elevating mechanism, which drives, to be carried Bar lifts, and translation mechanism, which drives, carries bar translation, it is achieved thereby that carrying movement of the bar in three dimensions, flexible movements, are The multi-faceted support of tablet creates condition, and resigning mouthful is provided with welding bench, and the supporting part carried on bar is moved under tablet Side, the tablet so as to be fully located on the upside of welding bench are held up, and avoiding tablet both ends stretching welding bench causes to deform.
2nd, carry bar and welding booth is stretched out by carrying port, and be connected with open-and-close mechanism, not only realize indoor to welding Tablet is carried, additionally it is possible to tablet is carried in welding booth, and the tablet being welded in welding booth is carried to welding Outdoor, bell need not be opened being movable into and out for tablet can be achieved in welding process.
3rd, baffle is moved with the movement for carrying bar in baffle mounting groove, so as in time close welding booth, is kept away Protection gas leakage is exempted from, has reduced the consumption of protection gas, thereby reduce welding cost.
4th, open-and-close mechanism is connected with the carrying and installation arm on the downside of welding booth, facilitates the connection for carrying bar.
5th, folding power plant module promotes the movement of folding guide plate, and the folding guide part of folding guide plate passes through folding directive wheel Two carrying bars are promoted synchronously to move in the opposite direction, folding spring can make folding directive wheel compress folding guide plate all the time Folding guide part, and then realize two carrying bar foldings, facilitate the carrying of tablet, additionally it is possible to avoid carrying bar to taking out negative pressure The work of module counteracts, and the stroke for carrying bar is stablized, and end cap will not be damaged.
6th, carry lifting cylinder and promote lifting guide pad translation, lift the lifting guide part of guide pad by lifting directive wheel Translation mechanism lifting is promoted, and then realizes the synchronization lifting of two carrying bars, ensure that carrying bar lifting action stablizes, and rise The stroke of drop determines, welding booth will not be caused to damage.
7th, heating zone can heat tablet so that tablet in negative pressure cavity can rapid welding complete, welding Interior is filled with protection gas, and so as to avoid tablet in heating process from reacting with oxygen, cooling zone can carry out tablet Cooling, so that the tablet temperature for removing welding booth is low, that is, avoids tablet and is aoxidized, and the convenient tablet to being welded in time Handled, and to being not in since the excessive mutability of tablet temperature causes tablet in processing procedure in web process The problem of deforming, causing disqualification rate to raise, tablet is directly contacted with heating zone or cooling zone, is realized by way of heat transfer Heating and cooling, compared with using the mode of heating of radiation, substantially increase firing rate, tablet is quickly heated up And cooling, reduce the consumption of energy.
8th, polylith heating plate is spliced into heating zone, and polylith coldplate is spliced into cooling zone, same in welding booth so as to make Shi Rongna polylith tablets, heating zone at the same time heat polylith tablet, tablet is rapidly achieved welding temperature, improve Speed of welding.
9th, electric heating tube and temperature sensor are equipped with every piece of heating plate, every piece of heating plate is realized independent temperature Control, so as to progressively be heated in material handling process to tablet, avoid heating it is too fast cause tablet to deform, also Avoid heating it is too fast cause tin cream to melt and flow out, cause defective work occur.
10th, intake tunnel and exhalant canal are both provided with every piece of coldplate, realize and progressively cool down to tablet, kept away The too fast tin cream caused after solidification of exempting to cool down is cracked, causes chip and tablet loose contact, defective work occurs, also can Tablet is avoided to deform.
11st, cooling zone can be condensed the liquid to be formed and be discharged by liquid-collecting cover outlet tube by liquid-collecting cover.
12nd, each station both sides are both provided with resigning mouthful, and supporting part is installed in flexible module, and flexible module can be adjusted The position of supporting part, so as to carry out support to tablet by the both sides of tablet, avoids tablet and is heated softening, by tablet Tablet deforms and departs from carrying mechanism during the support tablet of both ends, this soldering furnace is adapted to the weldering of the soft workpiece of matter Connect, wide adaptation range, working stability, and the workpiece of welding can be avoided to deform, improve welding quality, reduce not The generation of certified products.
Brief description of the drawings
Fig. 1 is the schematic perspective view of vacuum brazing stove after removal bell.
Fig. 2 is the partial enlarged view at A in Fig. 1.
Fig. 3 is the scheme of installation of electric pushrod.
Fig. 4 is the schematic perspective view of carrying mechanism.
Fig. 5 is the schematic front view of carrying mechanism.
Fig. 6 is the schematic perspective view of vacuum brazing stove.
Fig. 7 is the schematic perspective view of bell.
Fig. 8 is the main view schematic cross-sectional view of bell.
Fig. 9 is the partial enlarged view at B in Fig. 8.
Figure 10 is the main view schematic cross-sectional view of inlet plate.
Figure 11 is the schematic perspective view of welding bench.
Figure 12 is that the right side of welding bench regards schematic diagram.
Figure 13 is the vertical view schematic cross-sectional view of heating plate.
Figure 14 is the vertical view schematic cross-sectional view of coldplate.
Figure 15 is the main view schematic cross-sectional view of welding booth's installed part.
Figure 16 is the main view schematic cross-sectional view of mounting pin.
Figure 17 is the schematic front view for taking out negative pressure module.
Figure 18 is the schematic perspective view of solder paste cleaning module.
In figure:1st, rack 2, carrying mechanism 3, bell cylinder 4, bell 5, main nitrogen inlet duct 6, guide housing 7th, air inlet pipe 8, purification air outlet pipe 9 are purified, takes out negative pressure module 10, linking arm 11, swing arm 12, installing arm 13rd, connecting rod 14, bell installing plate 1401, installing port 15, gas hood 16, secondary nitrogen inlet duct 17, inlet plate 1701st, air inlet 1702, fumarole 18, welding booth 19, discharge pedestal 1901, discharge pedestal resigning mouthful 20, welding bench 21st, loading bay 2101, loading bay resigning mouthful 22, installing plate 23, adjusting spring 24, carrying bar 25, sealing shroud 26th, end cap 2601, carrying port 2602, baffle mounting groove 27, baffle 28, coldplate 2801, coldplate resigning mouthful 2802nd, intake tunnel 2803, drainage channel 2804, coldplate mounting hole 29, water inlet pipe 30, heating plate 3001, Heating plate resigning mouthful 3002, electrothermal tube mounting hole 3003, sensor mounting hole 3004, heating plate mounting hole 31, electricity Heat pipe 32, temperature sensor 33, liquid-collecting cover 3301, liquid-collecting cover outlet tube 34, pumping negative pressure mounting bracket 35, pumping negative pressure Lifting cylinder 36, sealing plate 37, connecting tube 38, connecting plate 39, mounting pin 3901, threaded hole 40, welding booth Installed part 4001, fixed part 4002, stepped hole 41, translation plates 42, folding mounting rod 43, folding guide plate 44th, folding directive wheel 45, carrying and installation arm 46, carrying lifting cylinder 47, lifting leading truck 48, lifting guide pad 49th, pan carriage 50, pan carriage guide rail 51, translation panel guide 52, carrying and installation plate 53, translation motor 54, translation Motor mounting rack 55, carry movable stand 56, folding movable stand 57, folding motor mounting rack 58, folding motor 59, Cleaning module 60, oil feeding reservoirs 61, purifying box 62, purifying box air inlet pipe 63, strainer installs case 64, strainer 65, Wind turbine 66, solder paste collecting vessel 67, coil pipe 68, fin 69, electric pushrod.
Embodiment
Fig. 1 ~ 18 are highly preferred embodiment of the present invention, and 1 ~ 18 the present invention will be further described below in conjunction with the accompanying drawings.
A kind of carrying mechanism of vacuum brazing stove, including carry bar 24 and be arranged on the elevator of the downside of welding booth 18 Structure, translation mechanism and open-and-close mechanism, carry bar 24 and are symmetrically arranged with two, and the middle part for carrying bar 24 is arranged on welding booth 18 Interior, open-and-close mechanism is connected with two carrying bars 24 at the same time and drives its folding, and translation mechanism is connected with open-and-close mechanism and drives it Moved along the direction closer or far from discharge end, elevating mechanism is connected with translation mechanism and drives its lifting, each to carry bar 24 On be equipped with multiple supporting parts, be provided with and the one-to-one resigning mouthful in supporting part on the welding bench 20 in welding booth 18.Reality The open-and-close mechanism of the carrying mechanism 2 of empty soldering furnace can drive two 24 foldings of carrying bar, and elevating mechanism, which drives, carries 24 liters of bar Drop, translation mechanism drive carrying bar 24 to translate, it is achieved thereby that carrying movement of the bar 24 in three dimensions, flexible movements, are The multi-faceted support of tablet creates condition, and resigning mouthful is provided with welding bench 20, and the supporting part carried on bar 24 moves to material On the downside of piece, so as to which the tablet for being fully located at the upside of welding bench 20 is held up, avoid tablet both ends stretching welding bench 20 and lead Mutagens shape.
With reference to specific embodiment, the present invention will be further described, however persons familiar with the art it is to be appreciated that It is to preferably explain here in connection with the detailed description that attached drawing provides, structure of the invention is inevitable beyond limited these Embodiment, and for some equivalents or common approach, no longer it is described in detail herein, but still fall within the guarantor of the application Protect scope.
Embodiment 1
As shown in Figure 1 and 2:Welding booth 18 is installed on the upside of rack 1, and the both ends of welding booth 18 are closed by end cap 26, and each end The both sides of lid 26 are both provided with carrying port 2601, carry bar 24 and are horizontally disposed with along the length direction of welding booth 18, and two carryings Bar 24 is symmetricly set on the both sides of welding booth 18, and each both ends for carrying bar 24 both pass through the carrying port 2601 of end cap 26 and stretch Go out.The lower horizontal of welding booth 18 is provided with carrying and installation arm 45, and carrying and installation arm 45 is corresponded with carrying bar 24, carries peace Dress arm 45 is arranged on the downside of carrying bar 24 of respective side, each both ends for carrying bar 24 removing by installing plate 22 and respective side Installing arm 45 to be transported to be connected, the upper end of installing plate 22 is connected with carrying bar 24, and the lower end of installing plate 22 is connected with carrying and installation arm 45, Elevating mechanism is installed in rack 1, and translation mechanism is installed on elevating mechanism, and open-and-close mechanism is installed on translation mechanism, and is opened Close mechanism at the same time with two carrying bars 24 to be connected, it is achieved thereby that the folding of two carrying bars 24, lifting and translation motion, convenient The carrying of tablet.
It is provided between one end of each carrying bar 24 and installing plate 22 and adjusts spring 23, is adjusted spring 23 and be set in carrying On bar 24, carry bar 24 and be slidably connected close to the one end for adjusting spring 23 with installing plate 22, adjust spring 23 and be arranged on installing plate 22 outsides, the one end for adjusting spring 23 are supported on installing plate 22, and the other end is supported on the end for carrying bar 24, so as to conveniently exist The position adjusting spring 23 that axis is adjusted up carrying bar 24 can also play cushioning effect, avoid the impact produced in handling process Load causes tablet to drop.
The downside of end cap 26 and the upside of welding bench 20 at 18 both ends of welding booth are arranged at intervals, so that at the both ends of welding booth 18 Feed end and discharge end are formed, and is the feed end of welding booth 18 close to one end of heating zone, is weldering close to one end of cooling zone Connect the discharge end of room 18.The both ends of each end cap 26 are both provided with vertical baffle mounting groove 2602, in baffle mounting groove 2602 Baffle 27 is slidably fitted with, baffle 27 is slidably connected with carrying bar 24, and sealed set between baffle 27 and carrying bar 24, baffle 27 close carrying port 2601, so as to carry bar 24 carry tablet during baffle 27 with carry bar 24 in the institute of end cap 26 Planar move, baffle 27 is all the time closed carrying port 2601, avoid helium leak, also relieve big to carrying port 2601 Small limitation, and then can conveniently carry the setting of the movement locus of bar 24.Baffle 27 can also be by end cap 26 and welding bench 20 Between gap, i.e. feed end or discharge end closing, and open feed end when carrying bar 24 and holding up tablet, facilitate material Piece avoids helium leak into and out welding booth 18.Each both ends for carrying bar 24 are mounted on sealing shroud 25, each remove Fortune bar 24 is slidingly and sealingly connected by sealing shroud 25 with baffle 27.
As shown in Figure 3:The carrying bar 24 of each station both sides is equipped with multiple supporting parts, and supporting part, which is arranged on, carries bar 24 Inner side, and each supporting part and carry and be both provided with flexible module between bar 24, flexible module are cylinder or electric pushrod 69, In the present embodiment, module of stretching is electric pushrod 69.The piston rod of electric pushrod 69 passes through supporting part mounting rod and supporting part phase Even, so that supporting part extends the position in the middle part of tablet, more firm when holding up tablet, 69 level of electric pushrod is set Put, supporting part is installed on the downside of the pars contractilis of electric pushrod 69, and the supporting part of each station both sides is set towards station middle part.
As shown in Fig. 4 ~ 5:The downside of welding booth 18 is arranged at intervals with translation plates 41, and carrying and installation arm 45 is arranged on translation plates 41 Between welding booth 18, carrying and installation arm 45 is slidably mounted in translation plates 41 by mounting base, translation mechanism and translation plates 41 It is connected and drives translation plates 41 to be translated along the carrying direction of tablet.The downside of translation plates 41 is arranged at intervals with horizontal carrying and installation Plate 52, the top both sides of carrying and installation plate 52 are symmetrically arranged with translation panel guide 51, and translation panel guide 51 is with carrying in bar 24 Heart line is arranged in parallel, and translation plates 41 are slidably mounted on translation panel guide by being arranged on the translation plates sliding block of downside, carry peace Loading board 52 is installed on elevating mechanism and is lifted with elevating mechanism.
Elevating mechanism includes horizontally disposed pan carriage 49, lifting guide pad 48, lifting leading truck 47 and carries lifting Cylinder 46, horizontal pan carriage guide rail 50 is provided with rack 1, and pan carriage guide rail 50 is arranged in parallel with translation panel guide 51, puts down Frame 49 is moved to be slidably mounted on pan carriage guide rail 50 by the pan carriage sliding block of downside.Carry lifting cylinder 46 and be horizontally arranged at machine On frame 1, and carry lifting cylinder 46 piston rod towards pan carriage 49 direction set, carry lifting cylinder 46 piston rod with Pan carriage 49 is connected and promotes pan carriage 49 to be moved along the carrying direction of tablet.The both sides of pan carriage 49 are symmetrically arranged with lifting Guide pad 48, the upside of lifting guide pad 48 are provided with lifting guide part, and lifting guide part is along close to carrying lifting cylinder 46 Direction it is gradually upward skewed, lifting leading truck 47 is corresponded with lifting guide pad 48, the downside of lifting leading truck 47 Lifting directive wheel is rotatablely equipped with, the lifting guide part for lifting directive wheel and the lifting guide pad 48 of respective side fits, so that Realize the lifting of carrying and installation plate 52.Vertical riser guide is provided with rack 1, liftable mounting plate 52 passes through lifting slider It is slidably mounted on riser guide so as to be oriented to carrying and installation plate 52.
Translation mechanism includes pan carriage motor mounting rack 54, carries movable stand 55 and translation motor 53, translation motor peace 54 downsides for being arranged on carrying and installation plate 52 are shelved, translation motor 53 is installed on translation motor mounting bracket 54, translation motor 53 Output shaft be horizontally disposed with and be arranged in parallel with the carrying direction of tablet.Translation leading screw is coaxially installed with translation motor 53, is put down Move leading screw to rotate synchronously with translation motor 53, carry movable stand 55 and be slidably mounted on translation motor mounting bracket 54, carry movement It is provided with frame 55 and the translation matched translational nut of leading screw.Carry movable stand 55 upside pass through carrying and installation plate 52 after with Translation plates 41 are connected and drive 41 synchronizing moving of translation plates, carry movable stand 55 and slide setting with carrying and installation plate 52.
Open-and-close mechanism include folding mounting rod 42, folding guide plate 43, folding movable stand 56, folding motor mounting rack 57, Folding movable stand 56 and folding power plant module, in the present embodiment, folding power plant module are folding motor 58.Folding motor is pacified 57 downsides for being arranged on carrying and installation plate 52 are shelved, the upside of folding motor mounting rack 57 is connected with translation plates 41 and with translation plates 41 synchronizing movings, folding motor mounting rack 57 are slidably connected with carrying and installation plate 52.Folding motor 58 is pacified installed in folding motor Shelve on 57.Folding movable stand 56 is slidably mounted on folding motor mounting rack 57, is coaxially pacified on the output shaft of folding motor 58 Equipped with folding leading screw, it is provided with folding movable stand 56 and passes through silk with the matched clasp nut of folding leading screw, folding motor 58 Thick stick pair of nut drives folding movable stand 56 to carry direction translation along tablet.The upside of translation plates 41 is provided with mounting rod sliding block, opens Close mounting rod 42 to be slidably mounted on mounting rod sliding block, folding mounting rod 42 is set along the carrying direction of tablet, folding movable stand 56 upside is connected with folding mounting rod 42 and drives 42 synchronizing moving of folding mounting rod, folding movable stand 56 and carrying and installation plate 52 are slidably connected.The both ends of folding mounting rod 42 are both provided with folding guide plate 43, and the both sides of folding guide plate 43 are equipped with out Close guide part, folding guide part is to carry that direction is gradually inside skewed, and the both ends of each carrying and installation arm 45 are equal along tablet Folding directive wheel 44 is installed, being additionally provided between two carrying and installation arms 45 makes folding directive wheel 44 and folding guide plate 43 The folding spring that folding guide part fits.Installing arm guide rail is also equipped with translation plates 41, installing arm guide rail is installed with folding Bar 42 is vertically arranged, and carrying and installation arm 45 is slidably mounted on installing arm guide rail by folding sliding block.
As shown in Figure 6:The present invention also provides a kind of vacuum brazing stove, including welding booth 18, bell 4, above-mentioned carrying mechanism 2 And be arranged on the pumping negative pressure module 9 on bell 4, bell 4 is covered in the upside of welding booth 18, and welding booth 18 and bell 4 it Between form welding chamber, 18 lower part of welding booth is equipped with welding bench 20, takes out 9 bottom of negative pressure module and is encircled into closed bear with welding bench 20 Chamber is pressed, multiple stations is provided with welding bench 20, supporting part, Mei Gecheng is both provided with the carrying mechanism 2 of each station both sides Flexible module is both provided between support portion and carrying mechanism 2, the center line for module of stretching is parallel with the moving direction of tablet, stretches The pars contractilis of module is set towards the middle part of tablet, and the both sides of each station are symmetrically arranged with multiple matched with supporting part Resigning mouthful.Each station both sides of the vacuum brazing stove of this wide adaptation range are both provided with resigning mouthful, and supporting part is installed on flexible In module, flexible module can adjust the position of supporting part, so as to carry out support to tablet by the both sides of tablet, avoid Tablet is heated softening, by tablet both ends support tablets when tablet deform and depart from carrying mechanism, make this soldering furnace The welding of the soft workpiece of matter, wide adaptation range, working stability can also be adapted to, and the workpiece of welding can be avoided to become Shape, improves welding quality, reduces the generation of defective work.
Welding bench 20 is heating zone close to the side of feed end, and welding bench 20 is cooling zone close to the side of discharge end, is added Hot-zone is provided with the upside of one end of cooling zone takes out negative pressure module 9, and pumping negative pressure module 9 is liftable to be installed on bell 4, is taken out 9 bottom of negative pressure module is encircled into closed negative pressure cavity with heating zone, and protection gas air inlet pipe is provided with welding booth 18 or bell 4. The heating zone of this vacuum brazing stove can heat tablet so that tablet in negative pressure cavity can rapid welding complete, Filled with protection gas in welding booth 18, so as to avoid tablet in heating process from reacting with oxygen, cooling zone can be to material Piece is cooled down, so that the tablet temperature for removing welding booth 18 is low, that is, is avoided tablet and is aoxidized, and convenient in time to welding Good tablet is handled, and to being not in since the excessive mutability of tablet temperature causes to treat in web process Tablet deforms in journey, and the problem of causing disqualification rate to raise, tablet is directly contacted with heating zone or cooling zone, passes through heat transfer Mode realizes heating and cooling, compared with using the mode of heating of radiation, substantially increases firing rate, enables tablet fast The heating and cooling of speed, reduce the consumption of energy.
Welding booth 18 is the rectangular box body of upside opening, and the both ends of welding booth 18 are respectively feed end and discharge end, are welded Room 18 is connect to be installed in the rack 1 of the downside of welding booth 18 installed in the upside of rack 1, carrying mechanism 2.Bell 4 is installed on welding booth 18 upsides, and the upside of welding booth 18 is closed.Take out negative pressure module 9 to be arranged on bell 4, and the lower end for taking out negative pressure module 9 is worn Stretched into after crossing bell 4 in welding booth 18, take out negative pressure module 9 and be arranged between heating zone and cooling zone.Taking out negative pressure module 9 can set It is equipped with multiple, so as to improve speed of welding, one can also be set.
The both ends of rack 1 are symmetrically arranged with linking arm 10, and the upper end of linking arm 10 is stretched out upwards, and the upper end of linking arm 10 Set higher than welding booth 18, the both ends of bell 4 are symmetrically arranged with installing arm 12, and installing arm 12 is horizontally disposed, each installing arm 12 One end be fixedly connected with bell 4, the upper end of the other end and linking arm 10 is rotatablely connected.Bell 4 is also associated with having driven folding Bell cylinder 3, the piston rod of bell cylinder 3 is connected by connecting rod 13 and swing arm 11 with installing arm 12, installing arm 12 it is upper End and the middle part of installing arm 12 are rotatablely connected, and the lower end of installing arm 12 is rotatablely connected with the middle part of connecting rod 13, one end of connecting rod 13 It is rotatablely connected with rack 1 or linking arm 10, the other end is connected with the piston rod rotation of bell cylinder 3, it is achieved thereby that bell 4 Open and close automatically.
As shown in Figure 7:Bell 4 includes the bell cover of upside and the bell installing plate 14 of downside, bell cover open for downside Mouthful rectangular box body, bell installing plate 14 is cuboid plate, and bell installing plate 14 is arranged on the downside of bell cover and by bell The lower mouth closing of cover.Installing arm 12 and pumping negative pressure module are installed on bell installing plate 14.
In the present embodiment, it is nitrogen to protect gas, and protection gas air inlet pipe is main nitrogen inlet duct 5, bell installing plate 14 Both ends are both provided with main nitrogen inlet duct 5, and bell cover is stretched out in the upper end of main nitrogen inlet duct 5, and each main nitrogen inlet duct 5 is upper Side is both provided with a guide housing 6, guide housing 6 be disposed on the upside of the main nitrogen inlet duct 5 of respective side and with main nitrogen The upper end of air inlet pipe 5 is arranged at intervals, and guide housing 6 is cylindrical shape, and guide housing 6 and main nitrogen inlet duct 5 are vertically arranged, guide housing 6 are arranged on the upside of bell cover, and guide housing 6 is coaxially disposed with main nitrogen inlet duct, guide housing 6 can pair with main nitrogen air inlet The connected pipeline of pipe 5 is oriented to.Each gas hood 15, gas hood are both provided between main nitrogen inlet duct 5 and bell installing plate 14 It is gradually inside skewed from the bottom to top at left and right sides of 15 tops, gas hood 15 is arranged on bell installing plate 14 and bell cover Between, the downside of gas hood 15 is open to be set, and the downside of gas hood 15 is fixedly connected with bell installing plate 14, and the downside of bell 4 is provided with For the slot hole for connecting gas hood 15 with welding booth 18, so as to by protect gas and penetrating welding booth 18 in.
The upside of bell installing plate 14 is additionally provided with purification air inlet pipe 7 and purification air outlet pipe 8, purifies air inlet pipe 7 and purifies Tracheae 8 is connected by gas hood 15 with welding booth 18, and purification air inlet pipe 7 and purification air outlet pipe 8 are arranged on and take out the same of negative pressure module 9 Side, so as to avoid nitrogen temperature is too low from causing solder paste liquefaction in welding booth 18, makes tablet temperature relatively low and then extends Weld interval of tablet.Purification air outlet pipe 8 is connected with the inlet end of cleaning module 59, purification air outlet pipe 8 and cleaning module 59 Inlet end connection, so as to clear up the solder paste in tin cream by thermogenetic solder paste steam, avoid solder paste steam from influencing tablet Welding.
As shown in Fig. 8 ~ 10:The on both sides of the middle of bell installing plate 14 is also symmetrically arranged with secondary nitrogen inlet duct 16.Secondary nitrogen Air inlet pipe 16 is arranged on the upside of bell installing plate 14, and the outlet side of secondary nitrogen inlet duct 16 is connected with welding booth 18, so as to Nitrogen more uniformly is sprayed into welding booth 18, ensures the nitrogen in welding booth 18 being completely exhausted out, after avoiding tablet from heating React with oxygen.It is provided with inlet plate 17 on the downside of the middle part of bell installing plate 14, inlet plate 17 is rectangular slab, inlet plate 17 upside is provided with the air inlet 1701 of opening upwards, and air inlet 1701 is the slot hole set along 17 length direction of inlet plate, Every side of bell installing plate 14 is both provided with two inlet plates 17, and length side of two inlet plates 17 along bell installing plate 14 To being arranged in order, multiple fumaroles 1702 are arranged at intervals with each inlet plate 17 along its length, so as to ensure by Nitrogen is uniformly sprayed into welding booth 18.The downside of bell installing plate 14 is provided with the installing port 1401 of indent, installing port 1401 Corresponded with inlet plate 17, the top of inlet plate 17 is installed in the installing port 1401 of bell installing plate 14, and each air inlet The air inlet 1701 of plate 17 is encircled into inlet chamber, the outlet of secondary nitrogen inlet duct 16 with the installing port 1401 of bell installing plate 14 End is connected with inlet chamber, so that convenient spray into nitrogen into inlet chamber.
As shown in figure 11:Welding bench 20 includes polylith heating plate 30 and polylith coldplate 28, and polylith heating plate 30 is along welding The length direction of room 18 is set gradually, and forms heating zone, and polylith coldplate 28 is set gradually along the length direction of welding booth 18, shape Into cooling zone, and cooling zone is set close to discharge end, and each heating plate 30 and each coldplate 28 are a station.Take out negative pressure Module 9 is arranged close to the upside of heating plate 30 of cooling zone one end.
The both sides of each heating plate 30 are symmetrically arranged with heating plate resigning mouthful 3001, and the both sides of each coldplate 28 are symmetrically set Coldplate resigning mouthful 2801 is equipped with, supporting part is stretched into heating plate resigning mouthful 3001 or coldplate resigning mouthful 2801 and will be lain in Tablet in heating plate 30 or coldplate 28 is held up, and tablet is integrally placed in coldplate 28 or heating plate 30, is avoided Tablet is heated softening, causes tablet to deform, and the convenient sealing for taking out negative pressure module 9 and heating plate 30.
The both sides of each heating plate 30 are symmetrically installed with electrothermal tube 31, are set in the heating plate 30 between two electrothermal tubes 31 Temperature sensor 32 is equipped with, it is achieved thereby that the independent control of each heating plate 30, makes heating plate 31 along close to the side of discharge end Gradually increase to temperature, so that being heated to tablet progressively, avoiding heating too fast causes tin cream to drip.On each coldplate 28 Water inlet pipe 29 is connected with, coldplate 28 cools down the tablet on cooling bench 28 by cooling water, and along close to discharge end Direction, the temperature of cooling bench 28 gradually reduces, so as to progressively cool down to tablet, avoids the too fast tin cream for causing solidification that cools down Split.
Loading bay 21 is provided with the outside of the feed end of welding booth 18, the both ends of loading bay 21 are both provided with to match with supporting part The loading bay resigning mouthful 2101 of conjunction, tablet is placed on loading bay 21, and tablet can be carried to welding booth 18 by carrying mechanism 2 On interior welding bench 20.The discharge end of welding booth 18 is provided with discharge pedestal 19, and the both ends of discharge pedestal 19 are both provided with and supporting part Matched discharge pedestal resigning mouthful 1901, tablet after cooling is carried on discharge pedestal 19 by carrying mechanism 2, so that this vacuum Soldering furnace realizes successional welding, it is not necessary to opens bell 4 and discharging and charging can be achieved.
As shown in figure 12, the bottom of welding booth 18 is provided with liquid-collecting cover 33, and the both sides of liquid-collecting cover 33 are by sidepiece to middle part Gradually downward skewed, and the middle part both ends of liquid-collecting cover 33 are symmetrically arranged with liquid-collecting cover outlet tube 3301, liquid-collecting cover 33 can Cooling zone is liquefied and the drop collection to be formed and is sent out outside welding booth 18, avoids the welding to tablet in welding booth 18 from causing to hamper Hinder.
As shown in figure 13:Heating plate 30 is rectangular slab, and the corner of heating plate 30 is provided with heating plate mounting hole 3004. The both sides of heating plate 30 are symmetrically arranged with electrothermal tube mounting hole 3002, and electrothermal tube mounting hole 3002 is horizontally disposed through hole, often An electrothermal tube 31 is mounted in a electrothermal tube mounting hole 3002, so as to ensure homogeneous heating.The middle part of heating plate 30 Horizontal sensor mounting hole 3003 is additionally provided with, sensor mounting hole 3003 is arranged in parallel with electrothermal tube mounting hole 3002 Blind hole, and the half that the length of sensor mounting hole 3003 is 30 length of heating plate, temperature sensor 32 are pacified installed in sensor Fill in hole 3003, so as to detect the temperature of heating plate 30 in real time.
As shown in figure 14:Coldplate 28 is the length and width rectangle equal with the length and width of heating plate 30 respectively Plate, the corner of coldplate 28 are provided with coldplate mounting hole 2804, and the both sides of coldplate 28 are symmetrically arranged with horizontal water inlet Passage 2802, intake tunnel 2802 is set along the length direction of coldplate 28, and one end of coldplate 28 is provided with horizontal row Aquaporin 2803, drainage channel 2803 connect two intake tunnels 2802, so that the temperature of whole coldplate 28 is uniform, it is cold But effect is good.The both ends of drainage channel 2803 and intake tunnel 2802 are both provided with connecting portion, so as to facilitate water inlet pipe 29 and go out The connection of water pipe.
As shown in Figure 15 ~ 16:Welding booth 18 is arranged on the upside of rack 1, and welding booth 18 passes through welding booth's installed part 40 and machine Frame 1 is fixedly connected.The both sides of welding booth 18 are symmetrically arranged with multiple welding booth's installed parts 40, the downside two of welding booth's installed part 40 End is symmetrically arranged with downwardly projecting fixed part 4001, through hole is provided with fixed part 4001, welding booth's installed part 40 is by setting The bolt put in 4001 through hole of fixed part is fixedly connected with rack 1.The both ends of welding booth's installed part 40 are symmetrically arranged with ladder Hole 4002, the diameter on 4002 top of stepped hole are more than the diameter of lower part, are mounted on mounting pin 39 on each stepped hole 4002, pacify Fill pin 39 to be cylindric, and the lower end of mounting pin 39 is coaxially arranged with threaded hole 3901, and threaded hole 3901 is is arranged on installation Blind hole on pin 39, the diameter of mounting pin 39 is equal with the diameter on 4002 top of stepped hole, and ladder is stretched into the lower end of mounting pin 39 It is fixedly connected in the top in hole 4002 and by bolt with welding booth's installed part 40.3004 sets of the heating plate mounting hole of heating plate 30 The top of mounting pin 39 is located at, so as to complete the installation of heating plate 30, the coldplate mounting hole 2804 of coldplate 28 is set in peace The top of pin 39 is filled, it is convenient for disassembly and assembly so as to complete the installation of coldplate 28.
As shown in figure 17:Taking out negative pressure module 9 includes taking out negative pressure mounting bracket 34, sealing plate 36, connecting tube 37 and takes out negative pressure Lifting cylinder 35, takes out the upside that negative pressure mounting bracket 34 is installed on bell installing plate 14, and it is negative installed in taking out to take out negative pressure lifting cylinder 35 Press on mounting bracket 34, the piston rod of pumping negative pressure lifting cylinder 35 is vertically arranged downward, and sealing plate 36 is arranged on bell installing plate 14 Downside, sealing plate 36 is horizontally disposed, the bottom indent of sealing plate 36, and the bottom surface of sealing plate 36 is provided with around sealing plate outer Sealing ring, sealing plate 36 are encircled into negative pressure cavity with heating plate 30, and tablet to be welded is arranged in negative pressure cavity, take out negative pressure lifting cylinder Horizontal connecting plate 38 is installed, connecting plate 38 is arranged on the upside of bell installing plate 14, and connecting tube 37 is set on 35 piston rod Put between connecting plate 38 and sealing plate 36, connecting tube 37 is slided and is tightly connected with bell installing plate 14, under connecting tube 37 End is connected with negative pressure cavity, and the upper end of connecting tube 37 is connected with pumping negative tube.
As shown in figure 18:Cleaning module 59 includes purifying box and the coil pipe and strainer that are arranged in purifying box, purifying box For rectangular box body, the side of purifying box is connected with purifying box air inlet pipe, and the opposite side of purifying box is connected with purifying box air outlet pipe, Wind turbine is provided between purifying box air outlet pipe and welding booth 18.Coil pipe is arranged in purifying box, and coil pipe is also associated with oil feeding reservoirs 60, The oil outlet of oil feeding reservoirs 60 is connected by circulating pump with one end of coil pipe, and the other end of coil pipe is connected with oil feeding reservoirs 60, so that real The circulation of cooling oil is showed.The fin being connected with coil pipe is additionally provided with purifying box, so as to faster exchange heat with nitrogen, Reduce the temperature of nitrogen.Purifying box is provided with strainer installs case close to the side of purifying box air outlet pipe, and purifying box air outlet pipe passes through Strainer installs case is connected with purifying box, and strainer is vertically provided in strainer installs case, and nitrogen after cooling passes through after passing through strainer Purifying box air outlet pipe is discharged, and is delivered to again in welding booth 18, and strainer is used to filter the solder paste after liquefaction, so as to remove nitrogen In solder paste steam.
The downside of purifying box 61 is additionally provided with solder paste collecting vessel 66, and the downside of purifying box 61 is along close to solder paste collecting vessel 66 One end it is skewed less than the other end, flowed into so as to the liquid after making cooling liquefy in solder paste collecting vessel 66.
A kind of welding procedure of above-mentioned vacuum brazing stove, includes the following steps:
1)Bell 4 closes welding booth 18, and protection gas air inlet pipe is filled with protection gas into welding booth 18;
Nitrogen is filled with to welding booth 18 by main nitrogen inlet duct 5 and secondary nitrogen inlet duct 16, nitrogen is full of whole welding booth 18, and the air in welding booth 18 is completely exhausted out.Electrothermal tube 31 heats heating plate 30 at the same time, and water inlet pipe 29 is to coldplate 28 Interior is passed through cooling water.
2)Tablet is carried in negative pressure cavity by carrying mechanism 2 piecewise, and the tablet in handling process is progressively heated in heating zone;
Tablet is placed on loading bay 21, elevating mechanism drives carrying bar 24 to move down, and open-and-close mechanism drives two carryings Bar 24 is moved downward to close to the position of tablet, and is aligned with the loading bay resigning mouthful 2101 on loading bay 21, and elevating mechanism is again Secondary to drive carrying bar 24 to move down and supporting part is located in loading bay resigning mouthful 2101, then electric pushrod 69 drives support Portion is mobile and supporting part is stretched on the downside of tablet.Elevating mechanism drives carrying bar 24 to move up, and completes the picking-up of tablet, at the same time The baffle 27 of feed end is set to open feed end, translation mechanism, which drives, carries bar 24 to close to the shifting of the direction of 18 discharge end of welding booth It is dynamic, and tablet is carried in the heating plate 30 in welding booth 18.Carrying mechanism 2 is gradually carried, so that tablet is via each After heating plate 30 heats, enter in the heating plate 30 taken out immediately below negative pressure module 9.
Taking out negative pressure lifting cylinder 35 drives sealing plate 36 to move down, and sealing plate 36 is closed with the heating plate 30 immediately below it The negative pressure cavity of sealing is surrounded, while takes out the gas that negative tube will be extracted in negative pressure cavity, makes to maintain negative pressure or even vacuum in negative pressure cavity State, ensures that the bubble in tin cream overflows, ensures welding quality.Negative pressure lifting cylinder 35 is taken out after the completion of welding and drives sealing plate 36 rise.
3)Carrying mechanism 2 will weld the tablet of completion in negative pressure cavity and be carried to discharge end, cooling zone tablet is carried out by Step cooling.
Carrying mechanism 2 continues to carry tablet to discharge end, is moved to after tablet is cooled down via each coldplate 28 successively On discharge pedestal 19, the welding of tablet is completed.
Embodiment 2
Embodiment 2 and embodiment 1 difference lies in:Supporting part, which is directly installed on, carries on bar 24, and the both ends of heating plate 30 are set There is heating plate resigning mouthful 3001, coldplate 28 is provided at both ends with coldplate resigning mouthful 2801, the both ends that supporting part passes through tablet Support tablet.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc. Imitate embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is to above example institute Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.

Claims (10)

  1. A kind of 1. carrying mechanism of vacuum brazing stove, it is characterised in that:Including carrying bar(24)And it is arranged on welding booth(18) Elevating mechanism, translation mechanism and the open-and-close mechanism of downside, carry bar(24)Two are symmetrically arranged with, and carries bar(24)Middle part It is arranged on welding booth(18)It is interior, open-and-close mechanism at the same time with two carrying bars(24)It is connected and drives its folding, translation mechanism is with opening Close mechanism to be connected and drive it to move along the direction closer or far from discharge end, elevating mechanism is connected with translation mechanism and drives it Lifting, each carries bar(24)On be equipped with multiple supporting parts, welding booth(18)Interior welding bench(20)On be provided with and support The one-to-one resigning mouthful in portion.
  2. 2. the carrying mechanism of vacuum brazing stove according to claim 1, it is characterised in that:The welding booth(18)Two End passes through end cap(26)Closing, each end cap(26)Both sides be symmetrically arranged with carrying port(2601), carry bar(24)Wear Cross carrying port(2601)It is connected with open-and-close mechanism, end cap(26)Bottom and welding bench(20)It is arranged at intervals.
  3. 3. the carrying mechanism of vacuum brazing stove according to claim 2, it is characterised in that:Each end cap(26)Two Side is symmetrically arranged with baffle mounting groove(2602), baffle mounting groove(2602)Place plane is with carrying bar(24)Center line hang down Directly, baffle mounting groove(2602)Inside it is slidably fitted with baffle(27), baffle(27)With carrying bar(24)Slide and be tightly connected, keep off Plate(27)With the end cap of respective side(26)It is engaged welding booth(18)End part seal.
  4. 4. the carrying mechanism of the vacuum brazing stove according to claim 1 ~ 3, it is characterised in that:The welding booth(18)'s Downside is equipped with carrying bar(24)One-to-one carrying and installation arm(45), carrying and installation arm(45)Both ends and respective side remove Transport bar(24)Both ends are connected, open-and-close mechanism and two carrying and installation arms(45)It is connected.
  5. 5. the carrying mechanism of vacuum brazing stove according to claim 1, it is characterised in that:The open-and-close mechanism includes water The flat folding guide plate set(43)And folding power plant module, folding guide plate(43)It is arranged on two carrying bars(24)It Between, folding guide plate(43)Both sides be equipped with along close to the gradual inside skewed folding guide part in the direction of discharge end, It is each to carry bar(24)Downside be mounted on the folding directive wheel to fit with folding guide part(44), two carrying bars(24) Between be equipped with the folding spring in extended state, folding power plant module and folding guide plate(43)It is connected and drives it along close Or the direction away from discharge end is moved.
  6. 6. the carrying mechanism of vacuum brazing stove according to claim 1, it is characterised in that:The elevating mechanism includes rising Guide pad drops(48)And carry lifting cylinder(46), lift guide pad(48)Upside be provided with along close to discharge end direction by Gradually downward skewed lifting guide part, the lifting to fit with lifting guide part is provided with the downside of translation mechanism and is oriented to Wheel, carries lifting cylinder(46)Piston rod with lifting guide pad(48)It is connected and promotes it along the side closer or far from discharge end To movement.
  7. 7. the carrying mechanism of vacuum brazing stove according to claim 1, it is characterised in that:The welding bench(20)It is close The side of feed end is heating zone, welding bench(20)Side close to discharge end is cooling zone, welding booth(18)Or bell(4)On It is provided with protection gas air inlet pipe.
  8. 8. the carrying mechanism of vacuum brazing stove according to claim 7, it is characterised in that:The welding bench(20)Including Polylith heating plate(30)And polylith coldplate(28), polylith heating plate(30)It is spliced into heating zone, polylith coldplate(28)Spell It is connected into cooling zone.
  9. 9. the carrying mechanism of vacuum brazing stove according to claim 8, it is characterised in that:Heating plate described in every piece(30) Both sides be symmetrically arranged with electrothermal tube(31), heating plate(30)Middle part be provided with sensor mounting hole(3003), sensor Mounting hole(3003)To be arranged on two electrothermal tubes(31)Between blind hole, sensor mounting hole(3003)Temperature sensing is inside installed Device(32).
  10. 10. the carrying mechanism of vacuum brazing stove according to claim 8, it is characterised in that:The coldplate(28)'s Both sides are symmetrically arranged with intake tunnel(2802), coldplate(28)At least one end be provided with and two intake tunnels(2802)Connection Drainage channel(2803).
CN201711484420.1A 2017-12-29 2017-12-29 A kind of carrying mechanism of vacuum brazing stove Active CN107963443B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201711484420.1A CN107963443B (en) 2017-12-29 2017-12-29 A kind of carrying mechanism of vacuum brazing stove
DE202018006533.1U DE202018006533U1 (en) 2017-12-29 2018-05-24 Handling mechanism of a vacuum brazing furnace
PCT/CN2018/088221 WO2019128063A1 (en) 2017-12-29 2018-05-24 Handling mechanism of vacuum brazing furnace
JP2020536576A JP7165737B2 (en) 2017-12-29 2018-05-24 Transfer mechanism of vacuum welding furnace
DE112018006652.5T DE112018006652T9 (en) 2017-12-29 2018-05-24 Handling mechanism of a vacuum brazing furnace

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CN107963443B CN107963443B (en) 2019-07-16

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DE (2) DE202018006533U1 (en)
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