CN102581421A - Pressure equalization brazing device - Google Patents
Pressure equalization brazing device Download PDFInfo
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- CN102581421A CN102581421A CN2011104118600A CN201110411860A CN102581421A CN 102581421 A CN102581421 A CN 102581421A CN 2011104118600 A CN2011104118600 A CN 2011104118600A CN 201110411860 A CN201110411860 A CN 201110411860A CN 102581421 A CN102581421 A CN 102581421A
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Abstract
The invention discloses a pressure equalization brazing device, which comprises a base, a support, a hydraulic cylinder and an induction heater, wherein the induction heater is positioned on the base, the base is connected with the support, and the hydraulic cylinder is mounted on the upper portion of the support. The pressure equalization brazing device is characterized by further comprising a plurality of elastic pressing column components and a connecting plate, a piston rod of the hydraulic cylinder is connected with the connecting plate, the elastic pressing column components are mounted on the connecting plate, and the piston rod of the hydraulic cylinder can drive the connecting plate and the elastic pressing column components to vertically move when the hydraulic cylinder acts. The pressure equalization brazing device is simple in structure, brazing pressure is equalized during brazing, and brazing quality is high.
Description
Technical field
The present invention relates to a kind of brazing device, relate in particular to the pressure that a kind of High power Traction motor cage rotor uses when up and down short-circuited conducting sleeve is respectively with the rotor bar soldering and divide equally brazing device.
Background technology
In the existing high-power three-phase AC traction motor manufacture process, the mouse cage of cage rotor need be welded, and is about to rotor bar and is welded into integral body with short-circuited conducting sleeve up and down; Be the method that adopts induction brazing when short-circuited conducting sleeve welds with rotor bar respectively up and down, and need apply certain pressure to short-circuited conducting sleeve up and down in the brazing process.Traditional method is in the cell body of short-circuited conducting sleeve about earlier rotor bar being inserted; Through four rigidity compression legs of hydraulic cylinder control, four rigidity compression legs directly are pressed in short-circuited conducting sleeve then, weld the lower end of following short-circuited conducting sleeve and rotor bar; And there is certain shortcoming in this structure: first; Because what hydraulic cylinder connected is the rigidity compression leg, moves downward at the rigidity compression leg and to be pressed in short-circuited conducting sleeve certain impact is arranged, thereby can not accomplish that linearity is exerted pressure in short-term; Second; Because reaching up and down, rotor can have certain scale error after the short-circuited conducting sleeve processing; Make the surface irregularity of short-circuited conducting sleeve up and down, and the rigidity compression leg can not guarantee that the pressure on the every pillar equates within the specific limits when pressing down, when serious; Indivedual compression legs do not reach short-circuited conducting sleeve, cause soldering pressure not divide equally; The 3rd, the rigidity compression leg can not intuitively reflect the pressure size of single compression leg; If four compression legs are controlled separately through autonomous control system respectively, though single compression leg has in short-term the linearity ability of exerting pressure, and applied pressure is visual,, control system and pressure system can complicate, and cost is high.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of not only simple in structure, and soldering pressure is divided equally in the brazing process, the pressure that brazing quality is good is divided equally brazing device.
The technical scheme that realizes above-mentioned purpose is: a kind of pressure is divided equally brazing device; Comprise base, support, hydraulic cylinder and induction heater, said induction heater is positioned on the base, base and support load; The rack-mount portion of said hydraulic cylinder; Its innovative point is: also comprise elasticity compression leg assembly and connecting plate, and the piston rod of said hydraulic cylinder and connecting plate load, and plurality of elastic compression leg assembly is housed on the connecting plate; During the hydraulic cylinder action, the piston rod of hydraulic cylinder can drive connecting plate and elasticity compression leg assembly moves up and down.
In technique scheme, said elasticity compression leg assembly comprises center-pole, spring, gland and briquetting, and said gland has through hole and gap; The through hole lower end is communicated with gap; The lower end shaft of said center-pole was stretched the through hole of gland and was stretched in gap, and said spring housing is on center-pole, and the spring base of spring one end and center-pole upper end offsets; The top of the other end and gland offsets; The lower end of center-pole is fixedly connected with a block through first bolt, and said block upper end offsets with the step surface of via bottoms, and the bottom of said gland is fixedly connected with briquetting.
In technique scheme; Said support comprises first column, second column and gripper shoe; First column lower end and second column lower end are separately fixed at the two ends of base; First column upper end and second column upper end are fixed with the two ends of gripper shoe respectively, and the cylinder body of said hydraulic cylinder is fixed on the gripper shoe.
In technique scheme, said gripper shoe has pilot hole, and a guide post one end is fixed on the connecting plate, and the pilot hole of guide post shaft and gripper shoe is slidingly matched.
In technique scheme; Said connecting plate comprises mainboard and 4 support plates, and 4 support plates are evenly distributed on the periphery of mainboard, and mainboard is connected as a single entity with 4 support plates or is fixedly connected; One elasticity compression leg assembly is housed, the piston rod load of said mainboard and hydraulic cylinder on each support plate.
In technique scheme, be respectively equipped with slippage slot radially on said 4 support plates, be fixedly connected with elasticity compression leg assembly accordingly through second bolt respectively on the slippage slot on 4 support plates.
In technique scheme, the gap inwall of said gland is provided with graduation mark.
In technique scheme, the top of said first column has cannelure, and an end of gripper shoe is equipped with connector, and has boss on the connector, and the boss of said connector can fasten with the cannelure on first column or separate; The other end of said gripper shoe is fixed with a sleeve, and the endoporus of sleeve and the second column periphery loose fit, and the upper end of second column is screwed with locking nut, and the step surface of locking nut lower end and sleeve endoporus offsets.
Beneficial effect of the present invention is: because the present invention also comprises elasticity compression leg assembly and connecting plate, and the piston rod of said hydraulic cylinder and connecting plate load, and plurality of elastic compression leg assembly is housed on the connecting plate; During use, will descend the short-circuited conducting sleeve placing flat earlier on induction heater, after rotor is erect; The rotor bar lower end is placed on down on the short-circuited conducting sleeve, drives hydraulic cylinder then, the piston rod of hydraulic cylinder can drive connecting plate and elasticity compression leg assembly moves downward; Push down the last short-circuited conducting sleeve on the rotor bar, start induction heater, make rotor bar lower end and following short-circuited conducting sleeve carry out soldering; Behind to be brazed the finishing; Can with after rotor bar and the last short-circuited conducting sleeve direction of rotation with base on induction heater contact, carry out soldering once more, can accomplish rotor bar and the soldering work of short-circuited conducting sleeve up and down; The present invention is through several elasticity compression leg assemblies of hydraulic cylinder control, and the control system is simple; Be elastomer owing to the compression leg assembly again, so elasticity compression leg assembly institute applied pressure can linearly in short-term rise; If under the out-of-level situation in last short-circuited conducting sleeve surface, fine-tuning elasticity compression leg assembly, it is impartial to reach each elasticity compression leg assembly institute applied pressure, and the present invention is not only simple in structure, and soldering pressure is divided equally in the brazing process, and brazing quality is good.In addition, input cost of the present invention is low, and usability is promoted.
Description of drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is sketch map when hydraulic cylinder moves among Fig. 1;
Fig. 3 is a structure cross-sectional schematic of the present invention;
Fig. 4 is not for comprising the cutaway view of base and induction heater among Fig. 2 along the A-A direction;
Fig. 5 is the structural representation of elasticity compression leg assembly among Fig. 1;
Fig. 6 is a kind of state diagram in the use of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Shown in Fig. 1 ~ 6, a kind of pressure is divided equally brazing device, comprises base 1, support 14, hydraulic cylinder 3 and induction heater 7; Said induction heater 7 is positioned on the base 1; Base 1 and support 14 loads, said hydraulic cylinder 3 is installed in support 14 tops, also comprises elasticity compression leg assembly 5 and connecting plate 8; The piston rod 3-1 of said hydraulic cylinder 3 and connecting plate 8 loads; And plurality of elastic compression leg assembly 5 is housed on the connecting plate 8, and during hydraulic cylinder 3 actions, the piston rod 3-1 of hydraulic cylinder 3 can drive connecting plate 8 and elasticity compression leg assembly 5 moves up and down.
Like Fig. 1,2,3,5, shown in 6; In order to be implemented in short-circuited conducting sleeve 16 at pressure surface out-of-flatness time fine setting elasticity compression leg assembly 5, guarantee that each elasticity compression leg assembly 5 all contact with last short-circuited conducting sleeve 16, make that short-circuited conducting sleeve 16 applied pressures can be divided equally on 5 pairs of all elasticity compression leg assemblies; Said elasticity compression leg assembly 5 comprises center-pole 5-1, spring 5-2, gland 5-3 and briquetting 5-4; Said gland 5-3 has through hole 5-3-2 and gap 5-3-1, and through hole 5-3-2 lower end is communicated with gap 5-3-1, and the lower end shaft of said center-pole 5-1 was stretched the through hole 5-3-2 of gland 5-3 and stretched in gap 5-3-1; Said spring 5-2 is enclosed within on the center-pole 5-1; And the spring base 5-1-1 of spring 5-2 one end and center-pole 5-1 upper end offsets, and the top of the other end and gland 5-3 offsets, and the lower end of center-pole 5-1 is fixedly connected with a block 9 through first bolt 10; The step surface 5-3-3 of said block 9 upper ends and through hole 5-3-2 bottom offsets, and the bottom of said gland 5-3 is fixedly connected with briquetting 5-4.
Like Fig. 1,2,3, shown in 6; Solid and reliable in order to guarantee support 14 and base 1 load; And simple in structure, said support 14 comprises that first column 2, second column 2 ' and gripper shoe 4, the first columns, 2 lower ends and second column, 2 ' lower end are separately fixed at the two ends of base 1; First column, 2 upper ends and second column, 2 ' upper end are fixed with the two ends of gripper shoe 4 respectively, and the cylinder body of said hydraulic cylinder 3 is fixed on the gripper shoe 4.
Like Fig. 1,2,3, shown in 6; Shift phenomenon takes place when preventing that connecting plate 8 from moving up and down; Cause elasticity compression leg assembly 5 inequality of exerting pressure, influence brazing quality, said gripper shoe 4 has pilot hole 4-1; One guide post, 6 one ends are fixed on the connecting plate 8, and the pilot hole 4-1 of guide post 6 shafts and gripper shoe 4 is slidingly matched.
As shown in Figure 4; Divide equally in order to guarantee short-circuited conducting sleeve 16 pressures; Said connecting plate 8 comprises mainboard 8-1 and 4 support plate 8-2, and 4 support plate 8-2 are evenly distributed on the periphery of mainboard 8-1, and mainboard 8-1 is connected as a single entity with 4 support plate 8-2 or is fixedly connected; One elasticity compression leg assembly 5 is housed, the piston rod 3-1 load of said mainboard 8-1 and hydraulic cylinder 3 on each support plate 8-2.
As shown in Figure 4; For the ease of being suitable for the short-circuited conducting sleeve up and down of multiple size; Be convenient to adjust the position of putting forth effort that elasticity compression leg assembly imposes on short-circuited conducting sleeve 16; Be respectively equipped with slippage slot 8-2-1 radially on said 4 support plate 8-2, be fixedly connected with elasticity compression leg assembly 5 accordingly through second bolt 11 respectively on the slippage slot 8-2-1 on 4 support plate 8-2.
Like Fig. 1,2,3,5, shown in 6, in order to know 5 applied pressure values of elasticity compression leg assembly, the gap 5-3-1 inwall of said gland 5-3 is provided with graduation mark.Press down back number of division and the Hooke's law read according to elasticity compression leg assembly 5,5 applied pressures of elasticity compression leg assembly be spring constant with press down after the product of distance, overcome the shortcoming that existing rigidity compression leg can not be known force value.
As shown in Figure 3; Move the dress workpiece for ease, the top of said first column 2 has cannelure 2-1, and an end of gripper shoe 4 is equipped with connector 12; And have boss 12-1 on the connector 12, the boss 12-1 of said connector 12 can fasten with the cannelure 2-1 on first column 2 or separate; The other end of said gripper shoe 4 is fixed with a sleeve 13, and the endoporus of sleeve 13 and 2 ' the periphery loose fit of second column, and the upper end of second column 2 ' is screwed with locking nut 15, and the step surface 13-1 of locking nut 15 lower ends and sleeve 13 endoporus offsets.
As shown in Figure 6, when the present invention uses, rotate gripper shoe 4 earlier; Cannelure 2-1 on the boss 12-1 of connector 12 and first column 2 is separated, and then will descend short-circuited conducting sleeve 18 to place on the induction heater 7, and the rotor bar 17 that will install the motor of short-circuited conducting sleeve 16 then is placed on down on the short-circuited conducting sleeve 18; And then rotation gripper shoe 4; The boss 12-1 of connector 12 is plugged together with cannelure 2-1 on first column 2 mutually, and when driving hydraulic cylinder 3, the piston rod 3-1 of hydraulic cylinder 3 drives connecting plate 8 and elasticity compression leg assembly 5 moves downward; And guarantee that each elasticity compression leg assembly 5 all contacts with last short-circuited conducting sleeve 16; At this moment, induction heater 7 will descend short-circuited conducting sleeve 18 and rotor bar 17 lower ends to carry out soldering, if will be with rotor bar 17 and last short-circuited conducting sleeve 16 solderings; Only need rotor bar 17 and last short-circuited conducting sleeve 16 rotations are oppositely got final product, concrete operation method is as above described.The gap 5-3-1 that can check the elastic shrinkage distance is arranged on the elasticity compression leg assembly 5; Indicate scale in the gap 5-3-1, can know and find out each elasticity compression leg assembly 5 actual depression distance, the distance that descends through the center-pole 5-1 that observes elasticity compression leg assembly 5; Can calculate actual pressure according to Hooke's law; The product of the distance that the spring constant of spring 5-2 and center-pole 5-1 are descended can be calculated 5 applied pressures of elasticity compression leg assembly, thereby can be known and find out every elasticity compression leg assembly 5 pressurized situation in the brazing process; The embarrassment of having avoided the rigidity compression leg can not look at pressure straight, the equipment input cost is low.
Claims (8)
1. a pressure is divided equally brazing device; Comprise base (1), support (14), hydraulic cylinder (3) and induction heater (7); Said induction heater (7) is positioned on the base (1); Base (1) and support (14) load, said hydraulic cylinder (3) is installed in support (14) top, it is characterized in that: also comprise elasticity compression leg assembly (5) and connecting plate (8); The piston rod (3-1) of said hydraulic cylinder (3) and connecting plate (8) load; And plurality of elastic compression leg assembly (5) is housed on the connecting plate (8), and during hydraulic cylinder (3) action, the piston rod (3-1) of hydraulic cylinder (3) can drive connecting plate (8) and elasticity compression leg assembly (5) moves up and down.
2. pressure according to claim 1 is divided equally brazing device; It is characterized in that: said elasticity compression leg assembly (5) comprises center-pole (5-1), spring (5-2), gland (5-3) and briquetting (5-4); Said gland (5-3) has through hole (5-3-2) and gap (5-3-1); Through hole (5-3-2) lower end is communicated with gap (5-3-1); The lower end shaft of said center-pole (5-1) was stretched the through hole (5-3-2) of gland (5-3) and was stretched in gap (5-3-1), and said spring (5-2) is enclosed within on the center-pole (5-1), and the spring base (5-1-1) of spring (5-2) end and center-pole (5-1) upper end offsets; The top of the other end and gland (5-3) offsets; The lower end of center-pole (5-1) is fixedly connected with a block (9) through first bolt (10), and said block (9) upper end offsets with the step surface (5-3-3) of through hole (5-3-2) bottom, and the bottom of said gland (5-3) is fixedly connected with briquetting (5-4).
3. pressure according to claim 1 is divided equally brazing device; It is characterized in that: said support (14) comprises first column (2), second column (2 ') and gripper shoe (4); First column (2) lower end and second column (the 2 ') lower end are separately fixed at the two ends of base (1); First column (2) upper end and second column (2 ') upper end are fixed with the two ends of gripper shoe (4) respectively, and the cylinder body of said hydraulic cylinder (3) is fixed on the gripper shoe (4).
4. pressure according to claim 3 is divided equally brazing device; It is characterized in that: said gripper shoe (4) has pilot hole (4-1); One guide post (6) one ends are fixed on the connecting plate (8), and the pilot hole (4-1) of guide post (6) shaft and gripper shoe (4) is slidingly matched.
5. pressure according to claim 1 is divided equally brazing device; It is characterized in that: said connecting plate (8) comprises mainboard (8-1) and 4 support plates (8-2); And 4 support plates (8-2) are evenly distributed on the periphery of mainboard (8-1); Mainboard (8-1) is connected as a single entity with 4 support plates (8-2) or is fixedly connected, and an elasticity compression leg assembly (5) is housed on each support plate (8-2), piston rod (3-1) load of said mainboard (8-1) and hydraulic cylinder (3).
6. pressure according to claim 5 is divided equally brazing device; It is characterized in that: be respectively equipped with slippage slot (8-2-1) radially on said 4 support plates (8-2), be fixedly connected with corresponding elasticity compression leg assembly (5) through second bolt (11) respectively on the slippage slot (8-2-1) on 4 support plates (8-2).
7. pressure according to claim 2 is divided equally brazing device, it is characterized in that: gap (5-3-1) inwall of said gland (5-3) is provided with graduation mark.
8. pressure according to claim 3 is divided equally brazing device; It is characterized in that: the top of said first column (2) has cannelure (2-1); One end of gripper shoe (4) is equipped with connector (12); And have boss (12-1) on the connector (12), the boss (12-1) of said connector (12) can fasten with the cannelure (2-1) on first column (2) or separate; The other end of said gripper shoe (4) is fixed with a sleeve (13); And the endoporus of sleeve (13) and second column (2 ') the periphery loose fit; The upper end of second column (2 ') is screwed with locking nut (15), and the step surface (13-1) of locking nut (15) lower end and sleeve (13) endoporus offsets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104118600A CN102581421A (en) | 2011-12-13 | 2011-12-13 | Pressure equalization brazing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104118600A CN102581421A (en) | 2011-12-13 | 2011-12-13 | Pressure equalization brazing device |
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| Publication Number | Publication Date |
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| CN102581421A true CN102581421A (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104118600A Pending CN102581421A (en) | 2011-12-13 | 2011-12-13 | Pressure equalization brazing device |
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| CN (1) | CN102581421A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067701A (en) * | 2017-12-13 | 2018-05-25 | 北京华航无线电测量研究所 | A kind of pressure-resistant airtight cold plate vacuum brazing universal fixture |
| CN108857116A (en) * | 2018-08-07 | 2018-11-23 | 无锡旭邦精密机械有限公司 | A kind of gaily decorated basket General welding system |
| CN110006752A (en) * | 2019-04-10 | 2019-07-12 | 石家庄铁道大学 | The experimental rig of non-circular tunnel non-support surrouding rock stress and displacement viscoelasticity analysis |
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| CN1243777A (en) * | 1999-01-30 | 2000-02-09 | 深圳市宝安联华实业有限公司 | High-frequency heating and pressurizing technology and equipment for soldering ring and planar parts made of different metals |
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| CN2452670Y (en) * | 2000-11-29 | 2001-10-10 | 深圳市宝安联华实业有限公司 | Multiple work-position and rotary type high frequency heating and pressing doldering apapratus |
| US20100200284A1 (en) * | 2009-02-10 | 2010-08-12 | Hioki Denki Kabushiki Kaisha | Substrate manufacturing apparatus, substrate manufacturing method, ball-mounted substrate, and electronic component-mounted substrate |
| CN202388082U (en) * | 2011-12-13 | 2012-08-22 | 江苏常牵庞巴迪牵引系统有限公司 | Pressure equalization brazing device |
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- 2011-12-13 CN CN2011104118600A patent/CN102581421A/en active Pending
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| CN2357871Y (en) * | 1998-12-02 | 2000-01-12 | 深圳市宝安联华实业有限公司 | High-frequency heating programme-controlled pressure soldering machine for ring-face dissimillar metal |
| CN1243777A (en) * | 1999-01-30 | 2000-02-09 | 深圳市宝安联华实业有限公司 | High-frequency heating and pressurizing technology and equipment for soldering ring and planar parts made of different metals |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067701A (en) * | 2017-12-13 | 2018-05-25 | 北京华航无线电测量研究所 | A kind of pressure-resistant airtight cold plate vacuum brazing universal fixture |
| CN108067701B (en) * | 2017-12-13 | 2020-07-17 | 北京华航无线电测量研究所 | Pressure-resistant airtight cold plate vacuum brazing universal tool |
| CN108857116A (en) * | 2018-08-07 | 2018-11-23 | 无锡旭邦精密机械有限公司 | A kind of gaily decorated basket General welding system |
| CN108857116B (en) * | 2018-08-07 | 2020-12-18 | 无锡旭邦精密机械有限公司 | Universal welding system for flower basket |
| CN110006752A (en) * | 2019-04-10 | 2019-07-12 | 石家庄铁道大学 | The experimental rig of non-circular tunnel non-support surrouding rock stress and displacement viscoelasticity analysis |
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Application publication date: 20120718 |