CN110125512A - A kind of online negative pressure soldering furnace - Google Patents
A kind of online negative pressure soldering furnace Download PDFInfo
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- CN110125512A CN110125512A CN201811351857.2A CN201811351857A CN110125512A CN 110125512 A CN110125512 A CN 110125512A CN 201811351857 A CN201811351857 A CN 201811351857A CN 110125512 A CN110125512 A CN 110125512A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/04—Heating appliances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/085—Cooling, heat sink or heat shielding means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D1/00—Devices using naturally cold air or cold water
- F25D1/02—Devices using naturally cold air or cold water using naturally cold water, e.g. household tap water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Tunnel Furnaces (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a kind of online negative pressure soldering furnaces, lower welding casing including upper box and positioned at the upper box lower part, the lower welding casing includes lower box again, the transmission unit being fixed on the lower box, it is fixed on the intracorporal lower heating unit of the nowel, it is installed on the negative pressure welding unit for subnormal ambient welding of the lower heating unit rear end, it is located in the feed unit for the transmission of workpiece feeding of the lower box side, it is located in the discharging unit for workpiece discharging transmission of the lower box other side, the transmission unit include move up and down or shuttling movement and be convenient for negative-pressure sealing transmission flat steel band or single steel wire.Soldering furnace of the invention only builds subnormal ambient cavity in the corresponding heating region of welding procedure curve, required subnormal ambient can be obtained faster, equipment relative to whole vacuum cavity reduces cost, the workpiece transmission of the soldering furnace is transmitted using flat steel band or single steel wire simultaneously, convenient for sealing.Economical advantage at low cost, operating power consumption is low, high production efficiency, high degree of automation, integrated level are high.
Description
Technical field
The present invention relates to a kind of soldering furnace, in particular to a kind of economy is at low cost, operating power consumption is low, high production efficiency,
The online negative pressure soldering furnace of high degree of automation.
Background technique
Currently, welding equipment divides from welding surroundings, there are mainly three types of, first, normal welding equipment, i.e., under normal pressure state
Welding in air environment；Second, inert atmosphere welding equipment welds under nitrogen atmosphere such as nitrogen welding equipment, effectively
Solve the oxidation defect occurred in normal welding；Third, negative pressure welding equipment, and welded in subnormal ambient, in conjunction with indifferent gas
Body atmosphere or reducibility gas, the oxidation defect and cavitation effectively avoided, welding quality are higher.From automation degree of equipment
Upper welding equipment is divided into two kinds again: first, off-line device, i.e., do not dock with other equipment, manual loading and unloading, welding efficiency is low；
Second, online equipment, is docked with upstream, upstream device, automatic charging, automatic blanking, high degree of automation, welding efficiency are realized
It is high.From to guarantee to divide on warm area set by process curve, multi-temperature zone equipment and single temperature zone equipment, welding procedure curve can be divided into
It is required that there is the techniques such as preheating, welding, cooling.Each process curve is sent out and is completed in different warm areas by multi-temperature zone, compares single temperature zone
Equipment, it is more efficient.
Existing online circle transmission includes normal reflux brazier and multisection type transmission structure, but it is existing it is such not
Foot: first, normal reflux brazier handed down in a direct line from the master using one-part form it is defeated, transmission mostly use mesh belt form, steel wire form, chain form etc.
Negative-pressure sealing cannot be directly done Deng, the transmission form, therefore mostly channel-type Reflow Soldering uses；Second, multisection type transmission structure
Whole equipment transmission is divided into several segments, each span line is independent or association controls, a certain span line is placed in vacuum cavity,
Online negative pressure welding can be realized, but transmission multistage control consistency is poor, at high cost, maintenance is inconvenient, to realize that negative pressure is more
It is higher with vacuum gate valve control negative pressure welding chamber transmission entrance and outlet, equipment cost.
Chinese patent 201420064773.1 discloses a kind of fully automatic vacuum cavity wafer processing apparatus, this is used in crystalline substance
The fully automatic vacuum cavity wafer processing apparatus of piece processing is equipped with: constant pressure Cavity unit enters material unit, discharging unit and control member
Part.Chamber with a permanent vacuum pressure in the constant pressure Cavity unit, chamber are connected with: entering pan feeding cavity and the discharging of material unit
The discharging cavity of unit.And pan feeding cavity and discharging cavity are when chamber input, output chip, to cooperate chamber quickly to take out
The conveying of vacuum equipressure.But the equipment has the following disadvantages: first, three parts of whole equipment are respectively placed in three
In vacuum cavity, vacuum cavity processing cost is higher；Second, vacuum cavity is big, and the more sealing difficulty of interface increases；Third, three
Two vacuum pumps of a vacuum cavity, equipment acquisition cost is higher and cost of equipment maintenance is higher, and for economy cost, this is set
It is standby uneconomical；4th, negative pressure master is to solve the empty problem of welding, and negative pressure is welded only in the case where welding melting zone process curve
, subnormal ambient can not had under remaining curve；5th, equipment negative pressure cavity is larger, and the negative pressure acquisition time is longer, and energy consumption is high,
Production efficiency is low.Therefore there is an urgent need to it is a kind of Ji property it is at low cost, operating power consumption is low, high production efficiency, high degree of automation
The appearance of wire type negative pressure soldering furnace.
Summary of the invention
In view of this, the present invention provides, a kind of economy is at low cost, operating power consumption is low, high production efficiency, the degree of automation
High, the higher online negative pressure soldering furnace of integrated level.
The present invention is solved the above problems by following technological means:
A kind of online negative pressure soldering furnace, the lower welding casing including upper box and positioned at the upper box lower part, under described
Welding casing includes lower box, the transmission unit being fixed on the lower box, is fixed on the intracorporal lower heating of the nowel again
Unit, is located in the nowel at the negative pressure welding unit welded for subnormal ambient for being installed on the lower heating unit rear end
The feed unit of body side transmitted for workpiece feeding is located in passing for workpiece discharging for the lower box other side
Defeated discharging unit；Wherein: only correspond to heating region in welding procedure curve builds vacuum cavity, the transmission to the soldering furnace
Unit include move up and down or shuttling movement and be convenient for negative-pressure sealing transmission flat steel band or single steel wire.
Further, the lower heating unit includes: for fixing in the lower heating of heating plate, negative pressure cavity and coldplate
Gallbladder, the lower heating inner liner are installed on inside the lower box；It preheats for workpiece and is arranged at temperature according to process curve
Cabinet heating plate, the nowel heating body plate are installed on inside the lower heating inner liner；The negative pressure welding unit includes: epicoele
Body support frame and moving cell, the epicoele body support frame and moving cell are fixed on the lower heating inner liner；Negative pressure upper cavity, institute
It states negative pressure upper cavity to be mounted on the epicoele body support frame and moving cell, the negative pressure upper cavity or more is driven by its movement
Movement；Upper negative pressure heating plate, the upper negative pressure heating plate are installed in the negative pressure upper cavity, are heated for negative pressure；For bearing
The negative pressure upper cavity lower edge is fixed in the high temperature negative-pressure dense seal of means of press seals, the high temperature negative-pressure dense seal；For negative pressure plus
The lower negative pressure heating plate of thermal weld, the lower negative pressure heating plate are installed on inside the negative pressure lower chamber；Negative pressure lower chamber, it is described
Negative pressure lower chamber is installed on the lower heating inner liner rear end.
Further, the transmission unit includes: the transmission power plant module for being able to carry out lifting and side-to-side movement, the biography
Defeated power plant module is fixed on the lower box；Transport frame, the transport frame are fixed on the transmission power plant module simultaneously
And it can be driven to realize lifting and side-to-side movement by transmitting the movement of power plant module；It is moved synchronously simultaneously with the transport frame
And can be realized the transmission flat steel band or single steel wire of workpiece transmission, the both ends point of the transmission flat steel band or single steel wire
It is not fixed on the both ends of the transport frame.
Further, the transmission unit includes: the transmission dynamical system for power transmission, the peace being installed on bottom plate
Loaded on bottom plate for driving shaft installation active axle bed, be fixed on the active axle bed by the transmission dynamical system
Regiment commander moves the driving shaft of its rotation, be fixed on the driving shaft for driving flat steel band or single steel wire shuttling movement
Driving wheel, the installation supporting element being fixed on bottom plate, be fixed on installation supporting element on for fixed supporting seat installation axle, consolidate
Due in installation axle and can slide on the mounting shaft the support base adjusted for flat steel band or single steel wire spacing, fixation
In the rotatable driven wheel on support base.
It further, further include the cooling unit adjacent with the negative pressure welding unit being installed in lower heating inner liner,
The cooling unit includes being fixed on the intracorporal cooling unit liner of nowel and being installed in the cooling unit liner and interior
Portion is equipped with the coldplate of coolant line.
Further, the negative pressure welding unit further includes obtaining mouth and use for connecting the negative pressure of vacuum pump and vacuum meter
Interface is installed in the vacuum electrode of installation vacuum electrode, the negative pressure obtains mouth and is placed in negative pressure lower chamber rear portion, described true
Empty electrode installation interface is placed in the lower negative pressure lower chamber rear portion and heating plate power supply in negative pressure cavity is drawn out to outside vacuum cavity
Portion.
Further, the lower heating inner liner lower part is provided with the scaling powder recovery port for scaling powder recycling.
Further, nowel heating body plate upper surface is provided with transmission flat steel band or single steel wire bit-avoiding slot,
It is located in the bit-avoiding slot when the transmission flat steel band or single steel wire are in low spot.
Further, it is provided with heating plate corresponding with the nowel heating body plate and on the upper box for the weldering
Furnaceman is met to make to provide the nitrogen mouth of nitrogen environment.
Further, the lower negative pressure heating plate upper surface is provided with transmission flat steel band or single steel wire bit-avoiding slot,
It is located in the bit-avoiding slot when the transmission flat steel band or single steel wire are in low spot.
By adopting the above-described technical solution, the invention has the following beneficial effects:
Soldering furnace of the invention only builds subnormal ambient cavity in the corresponding heating region of welding procedure curve, and structure is simple, can
To obtain required subnormal ambient faster, relative to whole vacuum cavity equipment can under the premise of meeting function it is maximum
The acquisition cost of the reduction negative pressure equipment of limit, while amplitude peak improving production efficiency.Vacuum cavity is smaller, needs to seal
Place is less, it is easier to safeguard, reduce maintenance cost.The workpiece transmission of the soldering furnace is passed using flat steel band or single steel wire
It is defeated, convenient for sealing.The functions such as equipment collection automatic charging, transmission, inflated with nitrogen, welding, scaling powder recycling, cooling and automatic material receiving
In one, integrated level is higher.The present invention realizes one-part form transmission, and structure is simple, easily controllable, and transmission consistency is preferable；And
One-part form is transmitted without middle transition connection, more saving space；The present invention reduces or cancels the use of vacuum gate valve, reduces
Cost.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below simple be situated between will be made to the attached drawing of embodiment
It continues, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is general assembly perspective view of the invention；
Fig. 2 is lower welding casing perspective view of the invention；
Fig. 3 is the vertical profile cross-sectional view of Fig. 2 of the invention；
Fig. 4 is the stereoscopic schematic diagram that the present invention is in original state；
Fig. 5 is schematic diagram of the present invention in charging completion status；
Fig. 6 is schematic diagram of the present invention in the first transmission state of charging；
Fig. 7 is schematic diagram of the present invention in the second transmission state of charging；
Fig. 8 is schematic diagram of the present invention in charging third transmission state；
Fig. 9 is schematic diagram of the present invention in the 4th transmission state of charging；
Figure 10 is online assignment schematic diagram of the invention；
Figure 11 is the general assembly schematic diagram of the embodiment of the present invention 2；
Figure 12 is the lower welding casing perspective view of the embodiment of the present invention 2；
Figure 13 is the longitudinal section view of Figure 11 of the embodiment of the present invention 2；
Figure 14 is the operation schematic diagram of the embodiment of the present invention 2.
Description of symbols:
GJ, workpiece；00, online negative pressure soldering furnace；1, upper box；2, lower welding casing；21, lower box；22, transmission unit；
220, dynamical system is transmitted；221, bottom plate；222 flat steel bands；223 driven wheels；224 fixed supporting seats；225, installation support；
226, installation axle；227, active axle bed；228, driving wheel；229, driving shaft；23, lower heating unit；231, lower heating inner liner；
232, nowel heating body plate；233, negative pressure welding unit；2331, negative pressure upper cavity；2332, upper negative pressure heating plate；2333, high temperature
Negative-pressure dense seal；2334, lower negative pressure heating plate；2335, negative pressure lower chamber；2336, upper cavity timbering machine moving cell；2337,
Negative pressure obtains mouth；2338, vacuum electrode installs interface；234, cooling unit；2341, cooling unit liner；2342, coldplate；
24, feed unit；241, feed roller；25, discharging unit；251, discharge roller；26, scaling powder recovery port.
Specific embodiment
In order to keep the purposes, technical schemes and advantages of the embodiment of the present invention clearer, implement below in conjunction with the present invention
Attached drawing in example, technical solution in the embodiment of the present invention are explicitly described.
Embodiment 1
Fig. 1-10 is the corresponding device structure of the first embodiment of the invention.
As Figure 1-10 shows, a kind of online negative pressure soldering furnace, including upper box 1, lower welding casing 2, in the top box
It is provided with heating plate corresponding with the nowel heating body plate 232 on body 1 and provides nitrogen environment for soldering furnace work
Nitrogen mouth, lower welding casing 2 are located at 1 lower part of upper box.
The lower welding casing 2 includes lower box 21, the transmission unit 22 being fixed on the lower box, is fixed on institute again
The negative pressure welding for subnormal ambient welding stated the intracorporal lower heating unit 23 of nowel, be installed on the lower heating unit rear end
Unit 233, is located in the lower box at the feed unit 24 transmitted for workpiece feeding for being located in the lower box side
The other side for workpiece discharging transmission discharging unit 25, be installed in lower heating inner liner with the negative pressure welding unit
Adjacent cooling unit 234.
The feed unit 24 includes drive feed roller 241 of the workpiece to soldering furnace internal motion that one direction rolls, institute
Stating discharging unit 25 includes drive discharge roller 251 of the workpiece to soldering furnace external movement that one direction rolls.Present embodiment
Improvement, which essentially consists in the soldering furnace and only corresponds to heating region in welding procedure curve, builds vacuum cavity, and the soldering furnace
Workpiece transmission is transmitted using flat steel band or single steel wire, convenient for sealing.
In above embodiment, the transmission unit 22 is specifically included:
Power plant module 223 is transmitted, the transmission power plant module is fixed on the lower box 21, is able to carry out lifting and left and right
Movement；
Transport frame 221, the transport frame 221 are fixed on the transmission power plant module 223 and can be dynamic by transmitting
The movement of power module 223 drives it to realize lifting and side-to-side movement；
The both ends of transmission flat steel band or single steel wire 222, the transmission flat steel band or single steel wire are individually fixed in described
The both ends of transport frame 221 move synchronously with the transport frame and can be realized workpiece transmission.The workpiece of the soldering furnace
Transmission is using the meaning that flat steel band or single steel wire transmit convenient for sealing.
In above embodiment, the lower heating unit 23 is specifically included:
Lower heating inner liner 231, the lower heating inner liner are installed on inside the lower box, for fix heating plate, negative pressure cavity and
Coldplate is provided with the scaling powder recovery port 26 for scaling powder recycling in lower 231 lower part of heating inner liner；
Nowel heating body plate 232, the nowel heating body plate 232 are installed on inside the lower heating inner liner 231, pre- for workpiece
Simultaneously temperature is arranged according to process curve in heat, and nowel heating body plate upper surface is provided with transmission flat steel band or single steel wire
Bit-avoiding slot is located in the bit-avoiding slot when the transmission flat steel band or single steel wire are in low spot.
In above embodiment, the negative pressure welding unit 233 is specifically included:
Epicoele body support frame and moving cell 2336, the epicoele body support frame and moving cell are fixed on the lower heating inner liner 231
On；
Negative pressure upper cavity 2331, the negative pressure upper cavity are mounted on the epicoele body support frame and moving cell 2336, pass through it
Movement drives the negative pressure upper cavity 2331 to move up and down；Vacuum cavity is smaller, and the place for needing to seal is less, it is easier to tie up
Shield, reduces maintenance cost；
Upper negative pressure heating plate 2332, the upper negative pressure heating plate are installed in the negative pressure upper cavity 2331, are heated for negative pressure；
High temperature negative-pressure dense seal 2333,2331 lower edge of negative pressure upper cavity is fixed in the high temperature negative-pressure dense seal, for bearing
Means of press seals；
Lower negative pressure heating plate 2334, the lower negative pressure heating plate are installed on inside the negative pressure lower chamber 2335, for negative pressure plus
Thermal weld；Lower 2334 upper surface of negative pressure heating plate is provided with transmission flat steel band or single steel wire bit-avoiding slot, when described
Transmission flat steel band or single steel wire 222 are located in the bit-avoiding slot when being in low spot；
Negative pressure lower chamber 2335, the negative pressure lower chamber are installed on the lower heating inner liner rear end, when the transmission flat steel band
Or single steel wire is reserved with the gap 1mm with the upper edge of the negative pressure lower chamber when dropping to minimum point；
Negative pressure obtains mouth 2337, and the negative pressure obtains mouth and is placed in 2335 rear portion of negative pressure lower chamber, for connect vacuum pump and
Vacuum meter；
Vacuum electrode installs interface 2338, and the vacuum electrode installation interface is placed in lower 2335 rear portion of negative pressure lower chamber and will
Heating plate power supply is drawn out to outside vacuum cavity in negative pressure cavity, for installing vacuum electrode.
Soldering furnace of the invention only builds subnormal ambient cavity, structure letter in the corresponding heating region of welding procedure curve
It is single, required subnormal ambient can be obtained faster, and the equipment relative to whole vacuum cavity can be in the premise for meeting function
The lower acquisition cost for reducing negative pressure equipment to greatest extent, while amplitude peak improving production efficiency.
In above embodiment, the cooling unit 234 include be fixed on the intracorporal cooling unit liner 2341 of nowel with
And it is installed in the cooling unit liner and the internal coldplate 2342 for being equipped with coolant line.
Fig. 6-Fig. 9 shows schematic diagram of the present invention in each charging transmission state.
Fig. 6 is schematic diagram of the present invention in the first transmission state of charging, as shown, the release of negative pressure welding unit is negative
Pressure, epicoele body support frame and moving cell work, drive negative pressure upper cavity to rise to high point, and workpiece starts to transmit, and transmits power mould
Block work, driving rise module, drive transport frame and transmission flat steel band or single steel wire to rise, transmit flat steel band or list
Core wire drives workpiece to rise, and transmission unit moves right, and is moved to right end.
Fig. 7 be the present invention in charging the second transmission state schematic diagram, as shown, workpiece be transferred to heating plate just on
Side.
Fig. 8 is schematic diagram of the present invention in charging third transmission state, as shown, transmission power plant module work, drives
Dynamic decline module drives transport frame and transmission flat steel band or the decline of single steel wire, transmits flat steel band or single pierce tap
It starts building part decline, workpiece contacts with heating plate or coldplate upper surface, and flat steel band or single steel wire are separated with workpiece, up to flat
Flat strip steel or single steel wire run to low side, and flat steel band or single steel wire are in the slot of heating plate at this time.
Fig. 9 is schematic diagram of the present invention in the 4th transmission state of charging, as shown, transmission unit is moved to the left, is moved
Move left end.Epicoele body support frame and moving cell work simultaneously, drive negative pressure upper cavity to drop to low spot, under negative pressure upper cavity
The sealing ring on edge is contacted with negative pressure lower chamber, reaches sealing effect, carries out two operations at this time, one takes out negative pressure, secondly front end
Charging, rear end discharging.It can be appreciated that the initial position fed next time.Return to the position Fig. 4.
As a further improvement of the above technical scheme, the negative pressure upper cavity 2331 in present embodiment is movable chamber,
Vertical lift, can also be raised in realization and be opened by hinged.
As a further improvement of the above technical scheme, the negative pressure upper cavity 2331 in present embodiment is movable chamber,
It can also be designed to fixed cavity, opening before and after cavity reaches sealing by valve plate.
Equipment collection automatic charging, transmission, inflated with nitrogen, welding, scaling powder recycling, cooling and automatic material receiving of the invention etc.
For function in one, integrated level is higher.
Embodiment 2
It is worth noting that as a further improvement of the above technical scheme, flat steel band of the invention or single steel wire can also
During the work time without elevating movement, circle transmission is only carried out, negative pressure form does not change.
Figure 11-13 shows the structural schematic diagram of second of embodiment of the invention.
As shown, the structure feature of the present embodiment are as follows:
Circle transmission feed unit is fixed on inside lower box, is transmitted for workpiece.Transmission dynamical system 220 is installed on bottom plate
On 221, it is used for power transmission, uses motor by V belt translation in the present embodiment, drives driving shaft 229 to rotate, to drive master
Driving wheel 228 rotates, and realizes the shuttling movement of flat steel band or single steel wire 222；Motor and the direct-connected form of driving shaft can also be used.
Driven wheel 223 is fixed on 224 upper/lower terminal of support base by bearing respectively, is freely rotatable；As flat steel band or list
The support wheel that core wire 222 is driven.224 support base of support base is fixed in installation axle 226, and can be sliding in installation axle 226 again
It is dynamic, it adjusts, is locked at after adjustment in installation axle 226 for flat steel band or 222 spacing of single steel wire.Installation support 225 is fixed
It on bottom plate 271, is connect by intermediate mounting hole with installation axle 226, both ends are equipped with groove, and recess sidewall is equipped with bearing bore, use
It fixes in bearing, is connect by bearing with driven wheel 223.Installation axle 226 is fixed in installation support 225, for fixed support
Seat 224, hold-down support 224 can move in the axial direction of installation axle, adjust for flat steel band or 222 spacing of single steel wire.
Active axle bed 227 is fixed on bottom plate 221 by bottom mounting apertures, and upper side is equipped with bearing bore, for installing bearing, actively
Axis 229 is connect by bearing with active axle bed 227, and is freely rotatable.Driving shaft 229 is fixed on driving wheel 228, and can be with
It axially moves on driving shaft 228, is adjusted for flat steel band or 222 spacing of single steel wire again, flat steel band or single steel wire
After the adjustment of 222 spacing, driving wheel is locked on driving wheel；Driving wheel 228 drives flat steel band or single steel wire in the course of work
222 do shuttling movement.Driving shaft 228 is fixed on active axle bed 227 by bearings at both ends, by transmitting 220 band of dynamical system
Move its rotation.
Remaining structure of the present embodiment is the same as embodiment 1.
The course of work of the present embodiment is as follows:
Power system operational is transmitted in equipment original state, each heating plate work of equipment, coldplate work, and negative pressure welding unit is released
Negative pressure, epicoele body support frame and moving cell work are put, drives negative pressure upper cavity to rise to high point, workpiece starts to transmit, host computer
Or feeding system charging, contribute to equipment entrance predetermined position, it is consistent that flat steel band or single steel wire move step pitch every time, stride
For two heating intervals every；A step pitch is moved, transmission dynamical system stops working, epicoele body support frame and moving cell work, band
Dynamic negative pressure upper cavity drops to low spot, is sealed by a seal ring with negative pressure lower chamber, takes out negative pressure, and workpiece starts to weld, and welds
Completion is connect, negative pressure welding unit discharges negative pressure, epicoele body support frame and moving cell work, negative pressure upper cavity is driven to rise to height
Point, workpiece transmit a step pitch, and next workpiece enters in negative pressure welding unit above subordinate's negative pressure heating plate, transmit dynamical system
It is carried out Deng primary.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. a kind of online negative pressure soldering furnace, it is characterised in that: the lower weldering including upper box and positioned at the upper box lower part
Cabinet is connect, the lower welding casing includes lower box, the transmission unit being fixed on the lower box, is fixed on the nowel again
Intracorporal lower heating unit, is determined the negative pressure welding unit welded for subnormal ambient for being installed on the lower heating unit rear end
Position the lower box side for the transmission of workpiece feeding feed unit, be located in being used for for the lower box other side
The discharging unit of workpiece discharging transmission；Wherein:
The soldering furnace only corresponds to heating region in welding procedure curve and builds vacuum cavity, and the transmission unit includes going up and down
Movement or transmission flat steel band or single steel wire shuttling movement and convenient for negative-pressure sealing.
2. online negative pressure soldering furnace according to claim 1, it is characterised in that:
The lower heating unit includes: the lower heating inner liner for fixing heating plate, negative pressure cavity and coldplate, in the lower heating
Gallbladder is installed on inside the lower box；The nowel heating body plate of temperature is preheated and is arranged according to process curve for workpiece, it is described
Nowel heating body plate is installed on inside the lower heating inner liner；
The negative pressure welding unit includes: epicoele body support frame and moving cell, and the epicoele body support frame and moving cell are fixed on
On the lower heating inner liner；Negative pressure upper cavity, the negative pressure upper cavity are mounted on the epicoele body support frame and moving cell, are led to
Crossing its movement drives the negative pressure upper cavity to move up and down；Upper negative pressure heating plate, the upper negative pressure heating plate are installed on described negative
It presses in upper cavity, is heated for negative pressure；For the high temperature negative-pressure dense seal of negative-pressure sealing, the high temperature negative-pressure dense seal is fixed on
The negative pressure upper cavity lower edge；For the lower negative pressure heating plate of negative pressure heating welding, the lower negative pressure heating plate is installed on described
Inside negative pressure lower chamber；Negative pressure lower chamber, the negative pressure lower chamber are installed on the lower heating inner liner rear end.
3. online negative pressure soldering furnace according to claim 2, it is characterised in that: the transmission unit includes: can be into
The transmission power plant module of row lifting and side-to-side movement, the transmission power plant module are fixed on the lower box；Transport frame, institute
Transport frame is stated to be fixed on the transmission power plant module and it can be driven to realize liter by transmitting the movement of power plant module
Drop and side-to-side movement；The transmission flat steel band or single steel of workpiece transmission are moved synchronously and can be realized with the transport frame
The both ends of silk, the transmission flat steel band or single steel wire are individually fixed in the both ends of the transport frame.
4. online negative pressure soldering furnace according to claim 2, it is characterised in that: the transmission unit includes: to be installed on
The transmission dynamical system for power transmission on bottom plate, the active axle bed, solid for driving shaft installation that is installed on bottom plate
Due to the driving shaft for driving it to rotate by the transmission dynamical system on the active axle bed, it is fixed on the driving shaft
For drive flat steel band or single steel wire shuttling movement driving wheel, the installation supporting element being fixed on bottom plate, be fixed on
On installation supporting element for fixed supporting seat installation axle, be fixed in installation axle and what can be slided on the mounting shaft is used for
Flat steel band or the support base of single steel wire spacing adjustment, the rotatable driven wheel that is fixed on support base.
5. online negative pressure soldering furnace according to claim 3 or 4, it is characterised in that: further include being installed in lower heating
The cooling unit adjacent with the negative pressure welding unit in gallbladder, the cooling unit include being fixed on the intracorporal cooling list of nowel
It first liner and is installed in the cooling unit liner and the internal coldplate for being equipped with coolant line.
6. online negative pressure soldering furnace according to claim 5, it is characterised in that: the negative pressure welding unit further includes using
Mouth is obtained in the negative pressure of connection vacuum pump and vacuum meter and the vacuum electrode installation interface for installing vacuum electrode, the negative pressure
It obtains mouth and is placed in negative pressure lower chamber rear portion, the vacuum electrode installation interface is placed in the lower negative pressure lower chamber rear portion and will
Heating plate power supply is drawn out to outside vacuum cavity in negative pressure cavity.
7. online negative pressure soldering furnace according to claim 6, it is characterised in that: be arranged in the lower heating inner liner lower part
There is the scaling powder recovery port for scaling powder recycling.
8. online negative pressure soldering furnace according to claim 3, it is characterised in that: in nowel heating body plate upper surface
It is provided with transmission flat steel band or single steel wire bit-avoiding slot, is positioned when the transmission flat steel band or single steel wire are in low spot
In the bit-avoiding slot.
9. online negative pressure soldering furnace according to claim 3 or 4, it is characterised in that: be provided on the upper box
Heating plate corresponding with the nowel heating body plate and for the soldering furnace work nitrogen mouth of nitrogen environment is provided.
10. online negative pressure soldering furnace according to claim 3, it is characterised in that: the table in the lower negative pressure heating plate
Face is provided with transmission flat steel band or single steel wire bit-avoiding slot, determines when the transmission flat steel band or single steel wire are in low spot
Position is in the bit-avoiding slot.
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| CN201810125372 | 2018-02-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570998A (en) * | 2020-06-09 | 2020-08-25 | 深圳市劲拓自动化设备股份有限公司 | Vacuum welding equipment for circuit board |
| CN113245654A (en) * | 2021-06-22 | 2021-08-13 | 广东钜兴电子科技有限公司 | Automatic chip welding process and welding device |
| CN115642117A (en) * | 2022-11-04 | 2023-01-24 | 江苏新智达新能源设备有限公司 | Integrated curing oven suitable for thin small-size semiconductor frame |
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Cited By (4)
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|---|---|---|---|---|
| CN111570998A (en) * | 2020-06-09 | 2020-08-25 | 深圳市劲拓自动化设备股份有限公司 | Vacuum welding equipment for circuit board |
| CN113245654A (en) * | 2021-06-22 | 2021-08-13 | 广东钜兴电子科技有限公司 | Automatic chip welding process and welding device |
| CN115642117A (en) * | 2022-11-04 | 2023-01-24 | 江苏新智达新能源设备有限公司 | Integrated curing oven suitable for thin small-size semiconductor frame |
| CN115642117B (en) * | 2022-11-04 | 2024-01-23 | 江苏新智达新能源设备有限公司 | Integrated curing oven suitable for thin small-volume semiconductor frame |
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