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CN115156659A - Conveying device for vacuum welding furnace - Google Patents

Conveying device for vacuum welding furnace Download PDF

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Publication number
CN115156659A
CN115156659A CN202210878944.3A CN202210878944A CN115156659A CN 115156659 A CN115156659 A CN 115156659A CN 202210878944 A CN202210878944 A CN 202210878944A CN 115156659 A CN115156659 A CN 115156659A
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CN
China
Prior art keywords
transmission
jacking
carrier
fixed
plate
Prior art date
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Granted
Application number
CN202210878944.3A
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Chinese (zh)
Other versions
CN115156659B (en
Inventor
高硕�
石秀彬
姜季均
顾天宇
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Cowell Technology Co ltd
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Cowell Technology Co ltd
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Publication date
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Priority to CN202210878944.3A priority Critical patent/CN115156659B/en
Publication of CN115156659A publication Critical patent/CN115156659A/en
Application granted granted Critical
Publication of CN115156659B publication Critical patent/CN115156659B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • 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
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/04Heating appliances

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tunnel Furnaces (AREA)

Abstract

The invention discloses a conveying device for a vacuum welding furnace, which comprises a fixed bottom plate, a transmission device, a limiting block, a jacking device, supporting columns and a heating plate, wherein the transmission device for conveying a carrier is fixed on the fixed bottom plate, the limiting block is arranged on the transmission device, the jacking device is fixed at the bottom of the fixed bottom plate, a plurality of supporting columns capable of moving vertically are arranged at the jacking end of the jacking device, the heating plate arranged at the bottom of the transmission device is supported at the tops of the supporting columns, the supporting columns are distributed at different positions at the bottom of the heating plate, and the jacking device is driven to enable the supporting columns to drive the heating plate to ascend so as to drive the carrier to be tightly attached to the limiting block. The invention has the advantages that the heights of different positions of the heating plate are adjusted by adjusting the height of one or more supporting columns on the jacking device, so that the adjustment of the levelness of the carrier is correspondingly realized, the levelness of the carrier is ensured to meet the welding conditions, and the welding quality of the carrier is improved.

Description

Conveying device for vacuum welding furnace
Technical Field
The invention relates to the technical field of welding equipment, in particular to a conveying device for a vacuum welding furnace.
Background
The vacuum welding furnace is used as a high-end process welding furnace and can be applied to various complex welding environments. Vacuum welding stove compares and has great advantage than traditional chain furnace, and vacuum welding stove can create and be close vacuum environment and reduce the welded void ratio, and the existence of nitrogen atmosphere has reduced the oxidation degree of solder simultaneously to the middle process can let in reducing gas in the vacuum welding stove, can further purify the metal, the liquefaction of the tin cream of being convenient for or soldering lug.
The carrier gets into another chamber through the transmission from a chamber in the use in the vacuum welding stove, then stops and laminates with the hot plate after promoting at intracavity intermediate position. The carrier mainly depends on the guiding mechanisms on two sides to conduct guiding correction in the transmission process. The carrier reaches the assigned position and need guarantee the surface level after the hot plate laminating, does not have the slope all around. How to ensure the moving stability of the carrier and the levelness of the surface of the stopped carrier are key factors influencing the final welding quality. For example, chinese patent application publication No. CN103056473A discloses a continuous vacuum welding furnace and a welding method thereof, but the vacuum welding furnace in the patent cannot adjust the levelness of the surface of the carrier, and cannot ensure the welding quality.
Disclosure of Invention
The invention aims to solve the technical problem of how to improve the welding quality of a vacuum welding furnace.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a conveyor that vacuum welding furnace used, includes PMKD, transmission, stopper, jacking device, support column and hot plate, the last transmission that is fixed with the conveying carrier of PMKD, the last stopper that is provided with of transmission, the PMKD bottom is fixed with jacking device, jacking device's jacking end is provided with a plurality of support columns that can vertical migration, the support column top is supported the hot plate that sets up in the transmission bottom, and the support column distributes in the different positions of hot plate bottom, drives jacking device causes the support column to drive the hot plate and rises and drive the carrier and hug closely on the stopper.
The heights of different positions of the heating plate are adjusted by adjusting the heights of one or more supporting columns at the jacking device, so that the levelness of the carrier is correspondingly adjusted, the levelness of the carrier is ensured to meet the welding conditions, and the welding quality of the carrier is improved.
Preferably, transmission includes transmission support, driving motor, gear drive, drive wheel, final drive shaft and secondary drive shaft, and two sets of transmission supports are along carrier direction of delivery parallel arrangement, driving motor fixes on the transmission support, all be provided with the gear drive of multiunit mutually supporting on the transmission support, the secondary drive shaft that runs through the transmission support is all connected to every gear drive, the one end that gear drive was kept away from to the secondary drive shaft is connected the drive wheel, a set of gear drive is connected to driving motor's output, gear drive on two sets of transmission supports is connected to the final drive shaft, drives the gear drive moves, and then drives the drive wheel through the secondary drive shaft and rotates.
Preferably, the jacking device includes actuating mechanism, lead screw, connecting plate, jacking post and jacking board, the actuating mechanism stiff end is fixed the PMKD bottom, actuating mechanism's output connecting screw one end, the setting of lead screw other end pivoted is in the PMKD bottom, lead screw threaded connection the connecting plate, the connecting plate both ends are all connected jacking post one end, the jacking post other end runs through the PMKD and connects the jacking board, the setting that a plurality of support columns can vertical removal is on the jacking board.
Preferably, a plurality of threaded through holes are formed in the jacking plate, and each supporting column is in threaded connection with the corresponding threaded through hole.
Preferably, an operation through hole is formed in the fixed bottom plate right below each threaded through hole, and a hole cover is arranged on the operation through hole.
Preferably, the supporting columns are arranged along the directions of four corner ends of the jacking plate.
Preferably, the upper bottom of the fixed bottom plate is also provided with a shaft sleeve sleeved with the jacking column, and a sealing ring is arranged between the shaft sleeve and the jacking column; the vacuum degree of the vacuum cavity at the top of the fixed bottom plate is ensured.
Preferably, one end, far away from the driving device, of the screw rod is connected with a screw rod flange, and the screw rod flange is fixed at the bottom of the fixing bottom plate through a fixing seat.
Preferably, the driving mechanism comprises a driving motor and a speed reducer, the driving motor is fixed on the fixed bottom plate, and the output end of the driving motor is connected with the screw rod through the speed reducer.
Preferably, the stopper sets up on transmission along four angle end directions of carrier, the stopper is the L-shaped piece, the vertical section tip of stopper sets up on transmission, the horizontal segment tip of stopper sets up towards the carrier direction.
Compared with the prior art, the invention has the beneficial effects that:
1. the heights of different positions of the heating plate are adjusted by adjusting the heights of one or more supporting columns at the jacking device, so that the levelness of the carrier is correspondingly adjusted, the levelness of the carrier is ensured to meet the welding conditions, and the welding quality of the carrier is improved.
2. The bottom is equipped with the axle sleeve that the cover established the jacking post on through PMKD to and be provided with the sealing washer between axle sleeve and the jacking post, guarantee the vacuum of the vacuum cavity at PMKD top.
Drawings
FIG. 1 is a schematic structural view of a conveying apparatus for a vacuum welding furnace according to an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of an embodiment of the present invention;
FIG. 3 is a partial schematic structural diagram of an embodiment of the present invention;
fig. 4 is a cross-sectional view of a jacking apparatus according to an embodiment of the present invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless explicitly stated or limited otherwise, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 3, the embodiment discloses a conveying device for a vacuum welding furnace, which includes a fixed base plate 1, a transmission device 2, a limiting block 3, a jacking device 4, a supporting column 5, a heating plate 6 and a guiding device 7, wherein the transmission device 2 for conveying a carrier 8 is fixed on the fixed base plate 1, the limiting block 3 is arranged on the transmission device 2, the jacking device 4 is fixed at the bottom of the fixed base plate 1, a plurality of supporting columns 5 capable of moving vertically are arranged at the jacking end of the jacking device 4, the heating plate 6 arranged at the bottom of the transmission device 2 is supported at the top of the supporting column 5, and the supporting columns 5 are distributed at different positions at the bottom of the heating plate 6; through the drive jacking device 4 causes support column 5 to drive 6 rises of hot plate and drives carrier 8 and hug closely on stopper 3 and heat carrier 8 to adjust the height of 6 different positions of hot plate through adjusting one or more support columns 5 at jacking device 4's height, and then the adjustment of the 8 levelness of realization carrier that corresponds, guarantee that the 8 levelness of carrier satisfies welding conditions, improve carrier 8's welding quality.
The transmission device 2 comprises a transmission support 21, a transmission motor 22, a gear transmission mechanism 23, a transmission wheel 24, a main transmission shaft 25 and a secondary transmission shaft 26, wherein the two groups of transmission supports 21 are arranged in parallel along the transmission direction of the carrier 8, the transmission motor 22 is fixed on the two groups of transmission supports 21, a plurality of groups of gear transmission mechanisms 23 which are mutually matched are arranged on the transmission supports 21, each group of gear transmission mechanisms 23 is connected with the secondary transmission shaft 26 which penetrates through the transmission supports 21, one end, far away from the gear transmission mechanisms 23, of the secondary transmission shaft 26 is connected with the transmission wheel 24, the output end of the transmission motor 22 is connected with one group of gear transmission mechanisms 23, the main transmission shaft 25 is connected with the gear transmission mechanisms 23 on the two groups of transmission supports 21 to drive the transmission motor 22 and the gear transmission mechanisms 23 to move, so as to drive the transmission wheel 24 to rotate through the secondary transmission shaft 26, the carrier 8 is placed on the transmission wheel 24, and the transmission of the carrier 8 is realized through the rotation of the transmission wheel 24.
Stopper 3 is fixed on transmission support 21 along four angular end directions of carrier 8, stopper 3 is the L-shaped piece, stopper 3's vertical section tip sets up on transmission support 21, stopper 3's horizontal segment tip sets up towards carrier 8 direction. Specifically, promote support column 5 through jacking device 4 and drive that hot plate 6 rises and drive carrier 8 and hug closely on the horizontal segment of stopper 3, realize that the clamp of carrier 8 is fixed, provide the condition for later stage welding.
Referring to fig. 4, jacking device 4 includes actuating mechanism 41, lead screw 42, lead screw ring flange 43, fixing base 44, connecting plate 45, jacking post 46, jacking board 47 and axle sleeve 48, actuating mechanism 41 stiff end is fixed PMKD 1 bottom, the output of actuating mechanism 41 connects lead screw 42 one end, lead screw 42 other end connection lead screw ring flange 43, lead screw ring flange 43 passes through fixing base 44 to be fixed in PMKD 1 bottom, lead screw 42 passes through sleeve (not mark in the picture) threaded connection connecting plate 45, connecting plate 45 both ends are all connected jacking post 46 one end, the jacking post 46 other end runs through PMKD 1 and connects jacking board 47, PMKD 1 upper bottom still is equipped with the axle sleeve 48 of cover jacking post 46, be provided with the sealing washer between axle sleeve 48 and the jacking post 46 and be used for sealed, guarantee the vacuum degree of the vacuum cavity at PMKD 1 top, in this implementation the sealing washer is the lip seal circle, the cavity between axle sleeve 48 and the jacking post 46 still inlays the sleeve that is equipped with high-strength brass and adds the graphite sleeve, can not only improve the lubricity between axle sleeve 48 and the jacking post 46, also give the jacking post 46 guide effect simultaneously.
In this embodiment, the lifting plate 47 is rectangular, the lifting plate 47 is provided with threaded through holes along the directions of four corner ends, each threaded through hole is in threaded connection with a corresponding support pillar 5, an operation through hole 11 is provided on the fixed base plate 1 right below each threaded through hole, and a hole cover (not shown) is provided on the operation through hole 11; specifically, when the height of the support column 5 needs to be adjusted, the hole cover is opened, the screwdriver penetrates through the operation through hole 11 to be matched with the support column 5, the support column 5 is driven to rotate on the threaded through hole, and then the vertical height of the support column 5 is adjusted.
Specifically, the driving mechanism 41 is driven to drive the screw rod 42 to rotate on the fixing seat 44, so as to drive the connecting plate 45 which is in threaded connection with the screw rod 42 to vertically move, and further drive the jacking plate 47 to move through the vertical movement of the jacking column 46, and further drive the supporting column 5 on the jacking plate 47 to move to jack up the carrier 8.
Further, the driving mechanism 41 includes a driving motor and a speed reducer, the driving motor is fixed on the fixing base plate 1, and an output end of the driving motor is connected to the screw rod 42 through the speed reducer.
The guiding device 7 comprises an eccentric shaft 71 and a guiding bearing 72, wherein one end of the eccentric shaft 71 is rotatably arranged on the transmission support 71, the other end of the eccentric shaft 71 is connected with the guiding bearing 72 which can rotate, the carrier 8 is guided through the guiding bearing 72 to prevent the carrier 8 from deviating, and when the carrier 8 deviates in the left-right direction, the guiding bearing 72 is driven to deviate through rotating the angle of the eccentric shaft 71 so as to keep the position of the carrier 8 centered.
The working principle of the embodiment is as follows: the transmission motor 22 is driven to drive the gear transmission mechanism 23 to move, the secondary transmission shaft 26 drives the transmission wheel 24 to rotate, the carrier 8 is conveyed above the heating plate 6, the carrier 8 is guided by the guide bearing 72 in the conveying process, the carrier 8 is prevented from offsetting, and when the carrier 8 offsets in the left and right directions, the guide bearing 72 is driven to offset by the angle of the rotating eccentric shaft 71, so that the position of the carrier 8 is kept centered.
Then, the driving mechanism 41 is driven to drive the screw rod 42 to rotate on the fixed seat 44, so as to drive the connecting plate 45 which is in threaded connection with the screw rod 42 to vertically move, and further drive the jacking plate 47 to move through the vertical movement of the jacking column 46, and further drive the supporting column 5 on the jacking plate 47 to move to tightly jack the carrier 8 on the horizontal section of the limiting block 3.
When 8 surface levelness of carrier can't satisfy the demands, adjust the height of the different positions of hot plate 6 through adjusting the height of one or more support columns 5 on jacking plate 47, and then the adjustment of the 8 levelness of realization carrier that corresponds guarantees that 8 levelness of carrier satisfies welding conditions, improves the welding quality of carrier 8.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above-mentioned embodiments only represent embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the concept of the present invention, and these embodiments are all within the protection scope of the present invention.

Claims (10)

1. A conveying device for a vacuum welding furnace is characterized in that: including PMKD, transmission, stopper, jacking device, support column and hot plate, be fixed with the transmission of conveying carrier on the PMKD, the last stopper that is provided with of transmission, the PMKD bottom is fixed with jacking device, jacking device's jacking end is provided with a plurality of support columns that can vertical removal, the support column top is supported and is set up the hot plate in the transmission bottom, and the support column distributes in the different positions of hot plate bottom, the drive jacking device causes the support column to drive the hot plate and rises and drive the carrier and hug closely on the stopper.
2. The conveying device for the vacuum welding furnace according to claim 1, wherein: the transmission device comprises a transmission support, a transmission motor, a gear transmission mechanism, a transmission wheel, a main transmission shaft and secondary transmission shafts, wherein the two groups of transmission supports are arranged in parallel along the conveying direction of the carrier, the transmission motor is fixed on the transmission supports, a plurality of groups of gear transmission mechanisms matched with each other are arranged on the transmission supports, each group of gear transmission mechanisms is connected with the secondary transmission shaft penetrating through the transmission supports, one end, away from the gear transmission mechanism, of the secondary transmission shaft is connected with the transmission wheel, the output end of the transmission motor is connected with one group of gear transmission mechanisms, the main transmission shaft is connected with the gear transmission mechanisms on the two groups of transmission supports to drive the transmission motor to drive the gear transmission mechanisms to move, and then the secondary transmission shafts drive the transmission wheels to rotate.
3. The conveying apparatus for a vacuum welding furnace according to claim 1, wherein: jacking device includes actuating mechanism, lead screw, connecting plate, jacking post and jacking board, the actuating mechanism stiff end is fixed the PMKD bottom, actuating mechanism's output connecting screw one end, the setting of lead screw other end pivoted is in the PMKD bottom, lead screw threaded connection the connecting plate, the connecting plate both ends are all connected jacking post one end, the jacking post other end runs through the PMKD and connects the jacking board, the setting that a plurality of support columns can vertical removal is on the jacking board.
4. The conveying device for the vacuum welding furnace according to claim 3, wherein: and the jacking plate is provided with a plurality of threaded through holes, and each support column is in threaded connection with the corresponding threaded through hole.
5. The conveying device for the vacuum welding furnace according to claim 4, wherein: an operation through hole is formed in the fixed bottom plate right below each threaded through hole, and a hole cover is arranged on each operation through hole.
6. The conveying device for the vacuum welding furnace according to claim 3, wherein: the support columns are arranged along the directions of four corner ends of the jacking plate.
7. The conveying apparatus for a vacuum welding furnace according to claim 3, wherein: the fixed bottom plate is provided with a top column and a bottom column, wherein the top column is provided with a top hole, the bottom column is provided with a top hole, the top hole is provided with a bottom hole, the bottom hole is provided with a bottom plate, the bottom plate is provided with a top plate, the bottom plate is provided with a fixed bottom plate, the bottom plate is provided with a shaft sleeve sleeved with the top column, and a sealing ring is arranged between the shaft sleeve and the top column.
8. The conveying apparatus for a vacuum welding furnace according to claim 3, wherein: one end of the screw rod, far away from the driving device, is connected with a screw rod flange, and the screw rod flange is fixed at the bottom of the fixing bottom plate through a fixing seat.
9. The conveying device for the vacuum welding furnace according to claim 1, wherein: the driving mechanism comprises a driving motor and a speed reducer, the driving motor is fixed on the fixed bottom plate, and the output end of the driving motor is connected with the screw rod through the speed reducer.
10. The conveying apparatus for a vacuum welding furnace according to claim 1, wherein: the limiting block is arranged on the transmission device along the directions of the four corner ends of the carrier, the limiting block is an L-shaped block, the end part of the vertical section of the limiting block is arranged on the transmission device, and the end part of the horizontal section of the limiting block is arranged towards the direction of the carrier.
CN202210878944.3A 2022-07-25 2022-07-25 Conveying device for vacuum welding furnace Active CN115156659B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210878944.3A CN115156659B (en) 2022-07-25 2022-07-25 Conveying device for vacuum welding furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210878944.3A CN115156659B (en) 2022-07-25 2022-07-25 Conveying device for vacuum welding furnace

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CN115156659A true CN115156659A (en) 2022-10-11
CN115156659B CN115156659B (en) 2023-12-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116213871A (en) * 2023-03-03 2023-06-06 北京铁科世纪科技有限公司 Hot air type reflow soldering device and method for SMT (surface mounted technology) patch

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056473A (en) * 2013-01-07 2013-04-24 山东高唐杰盛半导体科技有限公司 Continuous vacuum welding furnace and welding method for same
WO2019128063A1 (en) * 2017-12-29 2019-07-04 山东才聚电子科技有限公司 Handling mechanism of vacuum brazing furnace
CN111086844A (en) * 2020-03-09 2020-05-01 昆山市嘉源昊泽光电科技有限公司 Track handling device of vacuum welding furnace
CN211148343U (en) * 2019-09-12 2020-07-31 中广核三角洲(太仓)检测技术有限公司 Auxiliary vertical device of melt mass flow rate tester
CN211594144U (en) * 2020-01-08 2020-09-29 郑州欧之乐智能科技有限公司 Improved generation hold-in range jacking moves machine of carrying
CN212628664U (en) * 2020-08-29 2021-02-26 吉安满坤科技股份有限公司 High transmission efficiency's aluminium base board circuit board stamping device
CN215615634U (en) * 2021-08-24 2022-01-25 苏州捷本机电技术有限公司 Double-station welding device for PCB

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056473A (en) * 2013-01-07 2013-04-24 山东高唐杰盛半导体科技有限公司 Continuous vacuum welding furnace and welding method for same
WO2019128063A1 (en) * 2017-12-29 2019-07-04 山东才聚电子科技有限公司 Handling mechanism of vacuum brazing furnace
CN211148343U (en) * 2019-09-12 2020-07-31 中广核三角洲(太仓)检测技术有限公司 Auxiliary vertical device of melt mass flow rate tester
CN211594144U (en) * 2020-01-08 2020-09-29 郑州欧之乐智能科技有限公司 Improved generation hold-in range jacking moves machine of carrying
CN111086844A (en) * 2020-03-09 2020-05-01 昆山市嘉源昊泽光电科技有限公司 Track handling device of vacuum welding furnace
CN212628664U (en) * 2020-08-29 2021-02-26 吉安满坤科技股份有限公司 High transmission efficiency's aluminium base board circuit board stamping device
CN215615634U (en) * 2021-08-24 2022-01-25 苏州捷本机电技术有限公司 Double-station welding device for PCB

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116213871A (en) * 2023-03-03 2023-06-06 北京铁科世纪科技有限公司 Hot air type reflow soldering device and method for SMT (surface mounted technology) patch
CN116213871B (en) * 2023-03-03 2023-08-25 北京铁科世纪科技有限公司 Hot air type reflow soldering device and method for SMT (surface mounted technology) patch

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