CN202963833U - Vacuum brazing tool for water-cooled plate - Google Patents

Vacuum brazing tool for water-cooled plate Download PDF

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Publication number
CN202963833U
CN202963833U CN2012205397517U CN201220539751U CN202963833U CN 202963833 U CN202963833 U CN 202963833U CN 2012205397517 U CN2012205397517 U CN 2012205397517U CN 201220539751 U CN201220539751 U CN 201220539751U CN 202963833 U CN202963833 U CN 202963833U
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CN
China
Prior art keywords
plate
vacuum brazing
cooled
cooled plate
cantilever beam
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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.)
Expired - Lifetime
Application number
CN2012205397517U
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Chinese (zh)
Inventor
洪英杰
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Shanghai Hoto Electronic Technology Co ltd
Original Assignee
SHANGHAI EAGTOP ELECTRONIC TECHNOLOGY Co Ltd
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Priority to CN2012205397517U priority Critical patent/CN202963833U/en
Application granted granted Critical
Publication of CN202963833U publication Critical patent/CN202963833U/en
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Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a vacuum brazing tool for a water-cooled plate, which comprises a traveling car and clamping devices arranged on the traveling car. A clamping mechanism comprises a base plate, a cover plate and at least one group of clamping devices, which are stacked up and down. The vacuum brazing tool is characterized by further comprising a C-shaped main frame, wherein a cantilever beam is arranged at the upper part of the C-shaped main frame, an up-down moving device is arranged on the lower side of the cantilever beam and can move along the cantilever beam, a press block is arranged at the bottom of the up-down moving device, and at least one load sensor is arranged at the bottom of the press block. The vacuum brazing tool can accurately control the total press-fitting force on the water-cooled plate to ensure that the press-fitting forces on different parts of the water-cooled plate are substantially the same, so as to cause small deformation and uniform deformation of the clamps and increase the service life of the clamps. The round hole structures of the base plate and the press plate facilitate radiation heat absorption and heat release of products in a vacuum brazing furnace, to improve the brazing efficiency. The first pass yield of the water-cooled plate welded by the tool can reach over 90%. The vacuum brazing tool can be widely applied to assembly before vacuum brazing of water-cooled plates.

Description

A kind of cooled plate vacuum brazing frock
Technical field
The utility model relates to a kind of vacuum brazing frock, particularly a kind of cooled plate vacuum brazing frock.
Background technology
at present, high-power electric and electronic components and parts such as IGBT mainly adopt cooled plate that it is lowered the temperature, and high-end cooled plate mainly adopts the vacuum brazing method, the sealing property of cooled plate is most important to the safety of power electric component, process when its sealing quality is mainly leaned on the front frock of soldering and soldering guarantees, cooled plate main dependence by hand before soldering assembled at present, as adopt this method assembly quality uncontrollable, frock clamp is low service life, the product holding time is long, be to disclose a kind of " a kind of combined type flexible clamp for vacuum brazing of core body of plate-fin type aluminum heat exchanger " in the Chinese invention patent of CN102489924A as application publication number, this fixture can cause the product pressure inhomogeneous, the finished product rate is low, as adopt this hand assembled method to weld cooled plate, one-pass finished rate less than 60%, but also exist the fixture life-span low, the defectives such as the holding time is long.
Summary of the invention
The purpose of the present utility model is the defective that overcomes above-mentioned traditional-handwork assembling, and a kind of cooled plate vacuum brazing frock is provided, and can realize fast the assembling that the product soldering is front, can improve again soldering efficient and the quality of product.
In order to achieve the above object, the utility model provides a kind of cooled plate vacuum brazing frock, comprise travelling car, travelling car is provided with clamping device, described clamp mechanism comprises base plate, cover plate and at least one stack clamping device that the up and down is overlapping, it is characterized in that, also comprise C shape mainframe, C shape mainframe top is cantilever beam, the cantilever beam downside is provided with and can moves up and down device along what the cantilever beam direction moved, the bottom that moves up and down device is provided with briquetting, and briquetting bottom is provided with at least one load sensor; Described cover plate is the rectangular slab that is comprised of at least one cover plate unit.
Preferably, described clamping device comprises at least one the L shaped hooked scarf that lays respectively at described base plate and described cover plate both sides, L shaped hooked scarf bottom is located at bottom base plate, be provided with C type pressing plate between the L shaped hooked scarf of every two correspondences, the two ends of C type pressing plate are fixedly connected with the top of corresponding two L shaped hooked scarfs respectively, and Open Side Down for C type pressing plate; Be provided with at least one equally distributed Compress Spring between C type pressing plate and cover plate, the top of Compress Spring is positioned at the opening of C type pressing plate.
Further, the side of described C type pressing plate and end face are provided with equally distributed circular hole.
Preferably, described clamp mechanism also comprises the bracing frame of being located at the base plate bottom.
Further, described bracing frame is comprised of the equally distributed rectangle lath of row that two ends are fixedly connected with, and the rectangle lath is provided with equally distributed circular hole.
Preferably, the described device that moves up and down comprises cylinder, is provided with line slideway in described cantilever beam, and cylinder head is fixedly connected with slide block on line slideway, and the bottom of cylinder is movable end, and movable end is connected with briquetting.
Further, be provided with connecting plate between described cylinder and slide block, connecting plate is provided with screw mandrel and connects, and the end of screw mandrel is connected with the turning cylinder of motor by shaft coupling, and motor is located at the shoulder of described cantilever beam.
Preferably, the side of described briquetting is provided with Z-shaped guide plate, and the bottom of Z-shaped guide plate is fixedly connected with the side of briquetting, and the side that moves up and down device is close on the top.
Preferably, described load sensor is connected with weighing instrument by shielding line, and weighing instrument is located at and is controlled on electronic box.
Preferably, the thickness of described cover plate is 10-15mm; The thickness of base plate is 40mm, and base plate is provided with equally distributed circular hole.
The utility model not only can accurately be controlled the suffered total pressure assembling force of cooled plate, and the pressure assembling force that the cooled plate each several part is subject to is basically identical, the fixture distortion is little and distortion is consistent thereby make, extended the fixture life-span, the borehole structure of the parts such as base plate and pressing plate is conducive to product radiation heat absorption and release in vacuum brazing furnace, improved soldering efficient, adopt this frock welding cooled plate, the one-pass finished rate can reach more than 90%, can be widely used in the front assembling of cooled plate vacuum brazing.
Description of drawings
The structural representation of the cooled plate vacuum brazing frock that Fig. 1 provides for the utility model;
Fig. 2 is the structural representation of cooled plate vacuum brazing clamp;
Fig. 3 is the structural representation of base plate;
Fig. 4 is the structural representation of bracing frame.
In figure:
1, C shape main body; 2, control electronic box; 3, control button;
4, weighing instrument; 5, motor; 6, slide block;
7, cylinder; 8, screw mandrel; 9, line slideway;
10, Z-shaped guide plate; 11, briquetting; 12, load sensor;
13, screw rod; 14, nut; 15, stiffener;
16, C shape pressing plate; 17, Compress Spring; 18, cover plate;
19, cooled plate; 20, base plate; 21, bracing frame;
22, trammer handle; 23, L shaped hooked scarf; 24, travelling car;
25, castor; 26, connecting plate; 27, cantilever beam.
The specific embodiment
For the utility model is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
Embodiment 1
As shown in Fig. 1-4, the structural representation of the cooled plate vacuum brazing frock that provides for the utility model, C shape mainframe 1 and can push the travelling car 24 of C shape mainframe 1 opening part, travelling car 24 bottoms are provided with equally distributed 4 castors 25, and a trammer handle 24 has been installed in travelling car 24 sides.Travelling car 24 is provided with the cooled plate vacuum brazing clamp, and as shown in Figure 2, this fixture comprises that 4 stack clamping devices reach cover plate 18, base plate 20, the bracing frame 21 of arranged superposed from top to bottom.Cover plate 18 and base plate 20 all adopt graphite material, and the thickness of cover plate 18 is 10-15mm, and cover plate 18 is comprised of 12 cover plate units that 3*4 arranges, and every two cover plates leaves the 2-3mm gap between the unit; The thickness of base plate is 40mm, has equally distributed circular hole on base plate 20, as shown in Figure 3.Bracing frame 21 is comprised of both sides and a middle square lath of platoon leader that connects by grade beam, has equally distributed circular hole on the rectangle lath, as shown in Figure 4.Clamping device comprises the L shaped hooked scarf 23 that lays respectively at cover plate 18, base plate 20, bracing frame 21 both sides, the grade beam of bracing frame 21 both sides is hooked respectively in the bottom of L shaped hooked scarf 23, the top of L shaped hooked scarf 23 is provided with screw rod 13 and nut 14, a C shape pressing plate 16 is installed between the L shaped hooked scarf 23 of every two correspondences, Open Side Down for C shape pressing plate 16, at its two ends fluting, screw rod 13 is placed in this groove, insert respectively an identical shaped U-shaped stiffener 15 at the two ends of C shape pressing plate 16 upsides.Have equally distributed circular hole on C shape pressing plate 16, in the opening of C shape pressing plate 16 belows, namely put in advance equally distributed 5 Compress Springs 17 between C shape pressing plate 16 and cover plate 18, last fastening nut 14 is fixing.The upside of C shape mainframe 1 is cantilever beam 27, line slideway 9 is housed on cantilever beam 27, a slide block 6 that passes line slideway 9 is arranged on line slideway 9, a connecting plate 26 has been installed in slide block 6 belows, screw mandrel 8 is housed on connecting plate 26, and the end of screw mandrel 8 is fixedly connected with by shaft coupling with the turning cylinder of motor 5.Motor 5 is arranged on C shape mainframe 1, the shoulder of cantilever beam 27.The fixed installation of the below of connecting plate 26 moves up and down device, moves up and down device and comprises cylinder 7, and the bottom of cylinder 7 is movable end, and the bottom of movable end connects briquetting 11, and a load sensor 12 is equipped with respectively in the both sides of briquetting bottom.A Z-shaped guide plate 10 is installed in the side of briquetting 11, is used for controlling the direction that moves up and down of briquetting 11.The bottom of Z-shaped guide plate 10 is fixedly connected with the side of briquetting 11, and the side of cylinder 7 is close on the top.Load sensor 12 is connected on weighing instrument 4 by shielding line, weighing instrument 4 is fixed on to be controlled on electronic box 2 table covers, control electronic box 2 surfaces also are equipped with control button 3, control electronic box 2 underrun screws and be fixed on C shape mainframe 1 side, control electronic box 2 inside and be furnished with all control circuits of the present utility model.
Embodiment 2
Welding 800*600*40mm cooled plate, the welding housing surface is long-pending is 48dm 2:
Difference from Example 1 is that cover plate 18 is comprised of the cover plate unit that 6 2*3 arrange, and places altogether 20 of Compress Springs on cover plate 18, is divided into 5 row 4 row, and each lists places a C shape pressing plate 16.
Substrate, composite plate, fin, the cover plate of the cooled plate 19 that cleans up are placed by designing requirement, place cover plate 18 at the cover plate upper surface of cooled plate 19, cover plate 18 is of a size of 300*300*10mm.the power output that calculates pressing plate by every square decimeter of 4-5 kilogram load is required to be the 48-60 kilogram, the higher limit that weighing instrument 4 is set is 30 kilograms, pressing the control button 3 controlled on electronic box 2 moves left and right briquetting 11 directly over the required C shape pressing plate 16 that press-fits, control button 3 by dynamic air cylinder 7 moves downward it, when one of them weighing instrument 4 numerical value arrives 30 kilograms, the control circuit auto-action makes cylinder 7 stop pressing down, at this moment another weighing instrument 4 readings are 26kg, satisfy the requirement of required soldering pressure, hook bracing frame 21 bottom girders with L shaped hooked scarf 23, screw rod 13 1 ends are screwed in hooked scarf 23, the other end snaps in the groove of C shape pressing plate 16, with nut 14 tie down screws 13, C shape pressing plate 16 other ends repeat identical action, make the certain deflection of spring 20 maintenances constant, then cylinder 7 is risen, move to other C shape pressing plates 16 tops, repeat the above-mentioned action that press-fits, until press-fited 4 C shape pressing plates 16.Promote at last travelling car 24, the cooled plate vacuum brazing clamp of the cooled plate 19 of packing into is sent into the vacuum brazing furnace brazing get final product.
Embodiment 3
Welding 600*400*25mm cooled plate is welded the long-pending 24dm of being of single cooled plate housing surface 2:
Can place two cooled plate 19 on base plate 20, substrate, composite plate, fin, the cover plate of the cooled plate 19 that cleans up placed by designing requirement.difference from Example 2 is, the cover plate upper surface of cooled plate 19 is placed cover plate 18 and is of a size of 400*300*10mm, lay altogether the cover plate unit that 4 2*52 arrange, place altogether 16 of Compress Springs on cover plate 18, be divided into 4 row 4 row, each lists places a C shape pressing plate 16, the power output that calculates pressing plate by every square decimeter of 4-5 kilogram load is required to be the 48-60 kilogram, the higher limit that weighing instrument 4 is set is 30 kilograms, pressing the control button 3 controlled on electronic box 2 moves left and right briquetting 11 directly over the required C shape pressing plate 16 that press-fits, control button 3 by dynamic air cylinder 7 moves downward it, when one of them weighing instrument numerical value arrives 30 kilograms, the control circuit auto-action makes cylinder 7 stop pressing down, at this moment another weighing instrument reading is 27kg, satisfy the requirement of required soldering pressure, hook bracing frame 21 bottom girders with L shaped hooked scarf 23, screw rod 13 1 ends are screwed in hooked scarf 23, the other end snaps in the U-lag of C shape pressing plate 16, with nut 14 tie down screws, C shape pressing plate 16 other ends repeat identical action, make the certain deflection of spring 20 maintenances constant, then cylinder 7 is risen, move to above other C shape pressing plates, repeat the above-mentioned action that press-fits, until press-fited 4 C shape pressing plates 16.Promote at last travelling car 24, the cooled plate vacuum brazing clamp of the cooled plate 19 of packing into is sent into the vacuum brazing furnace brazing get final product.

Claims (10)

1. cooled plate vacuum brazing frock, comprise travelling car (24), travelling car (24) is provided with the cooled plate vacuum brazing clamp, described cooled plate vacuum brazing clamp comprises the base plate (20) that the up and down is overlapping, cover plate (18) and at least one stack clamping device, it is characterized in that, also comprise C shape mainframe (1), C shape mainframe (1) top is cantilever beam (27), cantilever beam (27) downside is provided with and can moves up and down device along what cantilever beam (27) direction moved, the bottom that moves up and down device is provided with briquetting (11), briquetting (11) bottom is provided with at least one load sensor (12), described cover plate (18) is the rectangular slab that is comprised of at least one cover plate unit.
2. cooled plate vacuum brazing frock according to claim 1, it is characterized in that, described clamping device comprises at least one the L shaped hooked scarf (23) that lays respectively at described base plate (20) and described cover plate (18) both sides, L shaped hooked scarf (23) bottom is located at bottom the cooled plate vacuum brazing clamp, be provided with C type pressing plate (16) between the L shaped hooked scarf (23) of every two correspondences, the two ends of C type pressing plate (16) are fixedly connected with the top of corresponding two L shaped hooked scarfs (23) respectively, and Open Side Down for C type pressing plate (16); Be provided with at least one equally distributed Compress Spring (17) between C type pressing plate (16) and cover plate (18), the top of Compress Spring (17) is positioned at the opening of C type pressing plate (16).
3. cooled plate vacuum brazing frock according to claim 2, is characterized in that, side and the end face of described C type pressing plate (16) are provided with equally distributed circular hole.
4. cooled plate vacuum brazing frock according to claim 1 and 2, is characterized in that, described cooled plate vacuum brazing clamp also comprises the bracing frame (21) of being located at base plate (20) bottom.
5. cooled plate vacuum brazing frock according to claim 4, is characterized in that, described bracing frame (21) is comprised of the equally distributed rectangle lath of row that two ends are fixedly connected with, and the rectangle lath is provided with equally distributed circular hole.
6. cooled plate vacuum brazing frock according to claim 1, it is characterized in that, the described device that moves up and down comprises cylinder (7), be provided with line slideway (9) in described cantilever beam (27), cylinder (7) top is fixedly connected with slide block (6) on line slideway (9), the bottom of cylinder (7) is movable end, and movable end is connected with briquetting (11).
7. cooled plate vacuum brazing frock according to claim 6, it is characterized in that, be provided with connecting plate (26) between described cylinder (7) and slide block (6), connecting plate (26) is provided with screw mandrel (8) and connects, the end of screw mandrel (8) is connected by the turning cylinder of shaft coupling with motor (5), and motor (5) is located at the shoulder of described cantilever beam (27).
8. according to claim 1 or 7 described cooled plate vacuum brazing frocks, it is characterized in that, the side of described briquetting (11) is provided with Z-shaped guide plate (10), the bottom of Z-shaped guide plate (10) is fixedly connected with the side of briquetting (11), and the side that moves up and down device is close on the top.
9. cooled plate vacuum brazing frock according to claim 1, is characterized in that, described load sensor (12) is connected with weighing instrument (4) by shielding line, and weighing instrument (4) is located at and is controlled on electronic box (2).
10. cooled plate vacuum brazing frock according to claim 1, is characterized in that, the thickness of described cover plate (18) is 10-15mm; The thickness of base plate (20) is 40mm, and base plate (20) is provided with equally distributed circular hole.
CN2012205397517U 2012-10-19 2012-10-19 Vacuum brazing tool for water-cooled plate Expired - Lifetime CN202963833U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012205397517U CN202963833U (en) 2012-10-19 2012-10-19 Vacuum brazing tool for water-cooled plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012205397517U CN202963833U (en) 2012-10-19 2012-10-19 Vacuum brazing tool for water-cooled plate

Publications (1)

Publication Number Publication Date
CN202963833U true CN202963833U (en) 2013-06-05

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102873491A (en) * 2012-10-19 2013-01-16 上海鹰峰电子科技有限公司 Vacuum brazing tool for water-cooling plate
CN104084721A (en) * 2014-06-27 2014-10-08 龙口丛林中德车体系统工程有限公司 Anti-edge-warping IGM welding machine and welding method thereof
CN110355483A (en) * 2019-07-01 2019-10-22 王慧珍 Laser cutting device
CN113547183A (en) * 2021-06-18 2021-10-26 北京无线电测量研究所 Welding tool and method for gas phase reflow soldering

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102873491A (en) * 2012-10-19 2013-01-16 上海鹰峰电子科技有限公司 Vacuum brazing tool for water-cooling plate
CN104084721A (en) * 2014-06-27 2014-10-08 龙口丛林中德车体系统工程有限公司 Anti-edge-warping IGM welding machine and welding method thereof
CN104084721B (en) * 2014-06-27 2016-09-14 山东诺维科轻量化装备有限公司 A kind of anti-alice IGM welding machine and welding method thereof
CN110355483A (en) * 2019-07-01 2019-10-22 王慧珍 Laser cutting device
CN110355483B (en) * 2019-07-01 2020-01-24 济南邦德激光股份有限公司 Laser cutting equipment
CN113547183A (en) * 2021-06-18 2021-10-26 北京无线电测量研究所 Welding tool and method for gas phase reflow soldering

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 201604 Shanghai Songjiang District Shihudang Industrial Park Tang Road, No. 158

Patentee after: SHANGHAI EAGTOP ELECTRONIC TECHNOLOGY Co.,Ltd.

Address before: 201604 Shanghai Songjiang District Shihudang Industrial Park Tang Road, No. 158

Patentee before: SHANGHAI EAGTOP ELECTRONIC TECHNOLOGY Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200409

Address after: 201617 Building 2, no.218, TANGMING Road, Shihudang Town, Songjiang District, Shanghai

Patentee after: Shanghai hoto Electronic Technology Co.,Ltd.

Address before: 201604 Shanghai Songjiang District Shihudang Industrial Park Tang Road, No. 158

Patentee before: SHANGHAI EAGTOP ELECTRONIC TECHNOLOGY Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130605