CN204747879U

CN204747879U - A electrode structure under three lamellas that clamping welding part when is used for welding of irregular spare part

Info

Publication number: CN204747879U
Application number: CN201520449853.3U
Authority: CN
Inventors: 殷波; 赵学东; 袁红平; 顾为华
Original assignee: Dura Ganxiang Automotive Systems Shanghai Co Ltd
Current assignee: Dura Ganxiang Automotive Systems Shanghai Co Ltd
Priority date: 2015-06-26
Filing date: 2015-06-26
Publication date: 2015-11-11
Anticipated expiration: 2025-06-26

Abstract

The utility model discloses an electrode structure under three lamellas that clamping welding part when is used for welding of irregular spare part, in the clamping device's that electrode structure installed at welding jig under three lamellas the clamp jaw cover, electrode structure includes an inside hollow conductive barrel body, electrically conductive plug screw and installs the pillar of just arranging electrically conductive plug screw top in conductive barrel body in under three lamellas, conductive barrel body is a ladder section of thick bamboo, and it has lower extreme and upper end, be equipped with on the inner wall of lower extreme with electrically conductive plug screw matching the external screw's internal thread, during the installation, the lower extreme at conductive barrel body is installed to electrically conductive plug screw, the pillar setting is in the top of electrically conductive plug screw, conductive barrel body's upper end is for normally opening under the natural state, and becomes 0.5 - 15 jiao and along the equal equidistributed limb structure of circumferencial direction with vertical orientation axis, and the limb structure can butt weld part automatic centering when the clamp jaw cartridge clip is tight, can the butt weld part when the clamp jaw cover unclamps immediately the pine press from both sides. The utility model discloses simple structure, convenient to use have good, and the advantage that can automatic centering of stability when centre gripping welding part.

Description

For three lobe lower electrode arrangement of clamping soldering part during irregular parts welding

Technical field

The utility model relates to a kind of irregular parts weld jig, to be particularly a kind ofly arranged on weld jig and for three lobe lower electrode arrangement of clamping soldering part during irregular parts welding.

Background technology

The welding of irregular parts is prevalent in parts industry, and its welding method and electroplating equipment wielding machine, fixture etc. vary, and performance and function differ; The reliable fixture of method simple and stable, effectively can promote effect of welding machine and the quality of welding assembly, improve operating environment, and realizes the essential safety that electroplating equipment wielding machine comprises fixture.

The control stick of motor vehicle operator control system, is the extremely important parts of control system of automobile, is welded by parts and components such as irregular parts stock and bearing pins.And the welding quality of control stick is crucial, it not only relates to reliability, the stability of gearshift, but also relates to the safety of running car, welding position offsets or comes off, and all will have potential danger, in current industry, the welding of control stick uses robot welding or projection welding mostly, the former belongs to consumable electrode weldering, and equipment investment is large, and floor space is large, welding heat affected region is large, distortion is large, and welding quality is difficult to ensure, efficiency is low, cost is high, therefore this welding method is gradually superseded; The latter belongs to electric resistance welding, and the method heat is concentrated, and welding heat affected region is little, and efficiency is high.

No matter which kind of welding, the clamping method that all will have and excellent fixture ensure optimization and the lifting of welding function.At parts industry, robot welding is tending towards a superseded major reason, and exactly because clamping method is subject to the restriction of robot welding machine system, weld jig exploitation is difficult, and fixture is expensive, the key techniques and profit that can not adapt to the many specifications of multi items requires and meets with to eliminate gradually.

Existing soldering part clamping device is relatively simple for structure, it is all generally the grip tube for an inner middle part, directly soldering part is fastened on its hollow space during its clamping, its poor stability, lack the function of self-centering and clamping, easily displacement is produced when welding, thus the precision of impact welding.

Utility model content

The technical problems to be solved in the utility model is to provide the three lobe lower electrode arrangement for clamping soldering part during irregular parts welding that a kind of structure is simple, good clamping effect, stability are high.

For achieving the above object, the technical solution of the utility model is as follows:

For three lobe lower electrode arrangement of clamping soldering part during irregular parts welding, described three lobe lower electrode arrangement are arranged in the clamp jaw cover of the clamping device of weld jig, and described three lobe lower electrode arrangement comprise:

The conduction cylindrical shell of one inner hollow, described conduction cylindrical shell is ladder cylinder, and it has lower end and upper end, the inwall of lower end is provided with and conducts electricity the internal thread that plug screw coordinates, during installation, conduction plug screw is arranged on the lower end of conduction cylindrical shell, and pillar is arranged on the top of conduction plug screw; The upper end of described conduction cylindrical shell is often open under nature, and become 0.5 ° of-15 ° of angle with vertical direction axis and the limb structure of along the circumferential direction equal distribution, described limb structure to soldering part self-centering, can be pressed from both sides the instant pine of soldering part when clamp jaw cover unclamps when the clamping of clamp jaw cover;

One is arranged on the conduction plug screw in conduction cylindrical shell lower end, and the outer peripheral face of described conduction plug screw is provided with and conducts electricity the external screw thread that cylindrical shell internal thread mates;

One to be arranged in conduction cylindrical shell and the pillar be placed in above conduction plug screw, the top contact of the bottom of described pillar and conduction plug screw.

In an embodiment of the present utility model, described limb structure is three limb structures of 120 ° of equal distribution.

In an embodiment of the present utility model, soldering part is arranged on the upper end of conduction cylindrical shell, and contact with the upper end of pillar bottom it, the upper end that described pillar contacts with soldering part is made up of diamond or ceramic material.

By technique scheme, the beneficial effects of the utility model are:

The utility model structure is simple, easy to use, has good stability and can self centering advantage when clamping soldering part.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the utility model three lobe lower electrode arrangement schematic diagram;

Fig. 2 is the top view of the utility model limb structure;

Fig. 3 is the structural representation that the utility model is arranged in weld jig;

Numeral and the corresponding component title represented by letter in figure:

10, three lobe lower electrode arrangement 20, conduction cylindrical shell 21, limb structure 30, conduction plug screw 40, pillar 41, upper end 50, soldering part 60, irregular parts 70, movable positioning plate 71, profiling die cavity 80, clamping device 81, driving mechanism 82, drive rod 83, clamp jaw cover 90, Top electrode device 91, secondary arm 100, insulated lifting device 110, automatic discharge unit 120, dumping pit.

Detailed description of the invention

The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.

See shown in Fig. 1 to Fig. 3, the utility model discloses and be arranged in the clamp jaw cover 83 of the clamping device 80 of weld jig for three lobe lower electrode arrangement 10, three lobe lower electrode arrangement 10 of clamping soldering part during irregular parts welding.

The conduction cylindrical shell 20, one that the utility model three lobe lower electrode arrangement 10 comprises an inner hollow is arranged on the conduction plug screw 30 in conduction cylindrical shell 20 lower end and is arranged in conduction cylindrical shell 20 and the pillar 40 be placed in above conduction plug screw 30; Conduction cylindrical shell 20 is ladder cylinder, it has lower end and upper end, the inwall of lower end is provided with and conducts electricity the internal thread of screw-internal thread fit on plug screw 30 outer peripheral face, during installation, conduction plug screw 30 is arranged on the lower end of conduction cylindrical shell 20, pillar 40 is arranged on the top of conduction plug screw 30, the bottom of pillar 40 and the top contact of conduction plug screw 30; The upper end of conduction cylindrical shell 20 is often open under nature, and becomes 0.5 ° of-15 ° of angle with vertical direction axis and the limb structure 21 of along the circumferential direction equal distribution, and the utility model limb structure is preferably into three limb structures of 120 ° of equal distribution; Limb structure 21 is made up of elastomeric material, has elasticity, and it to soldering part 50 self-centering, can press from both sides the instant pine of soldering part when clamp jaw cover unclamps when 83 clamping of clamp jaw cover.

The utility model soldering part 50 is arranged on the upper end of conduction cylindrical shell 20, contact with the upper end of pillar 40 bottom it, the pillar upper end 41 that pillar 40 contacts with soldering part 50 by resistant to elevated temperatures temperature range be 400 DEG C ~ 800 DEG C, high voltage bearing pressure range is 120MPa ~ 200MPa and the diamond of electric insulation is made, also can make, other artificial material such as intensity is high, ceramic material of electric insulation high by hardness.

The operation principle of the utility model three lobe lower electrode arrangement on weld jig is as follows:

First be placed on by soldering part 50 in the conducting sleeve 20 of three lobe lower electrode arrangement 10, the bottom of soldering part 50 contacts with pillar upper end 41, is then placed in the profiling die cavity 71 of movable positioning plate 70 by irregular parts 60; Start welding, the driving mechanism 81 of clamping device 80 drives drive rod 82 to work, drive rod 82 drives clamp jaw to overlap 83 and clamps three lobe lower electrode arrangement 10, drives the three lobe lower electrode arrangement 10 being positioned same main-shaft axis to clamp and coaxial positioning soldering part 50 simultaneously; Be arranged on the Top electrode device 90 on welder head, the plane of symmetry of the welding position of irregular parts is contacted in main-shaft axis position, and and the secondary arm 91 that links of Top electrode device 90 compress irregular parts simultaneously, the solder side of soldering part 50 is stablized touch the welding position of the same main-shaft axis position of the irregular parts 60 be fixed on movable positioning plate 70; And then welding is started; Under the pressure acting in conjunction of Top electrode device 90 with the secondary arm 91 of interlock, drive movable positioning plate 70 synchronous parallel to balance by insulated lifting device 100 in welding process to move down, eliminate the scaling loss displacement (namely molten bath shortens) of the solder side of soldering part and the welding position of irregular parts, eliminate the defects such as rosin joint, dislocation, gravity deformation timely and effectively, improve positional precision and the yield rate of welding assembly, realize the essential safety of manufacture process; After having welded, Top electrode device 90 and secondary arm 91 rise and return initial position, and clamp jaw cover 83 unclamps, and limb structure 21, under the effect of electrode material natural resiliency, is opened voluntarily and resets to normally open; Automatic discharge unit OnNow, the upper end of automatic discharge unit 110 moves upward along dumping pit 120 automatically relative to movable positioning plate 70, is unloaded by the parts after having welded, complete a welding interval from movable positioning plate profiling die cavity.

More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims

1., for three lobe lower electrode arrangement of clamping soldering part during irregular parts welding, described three lobe lower electrode arrangement are arranged in the clamp jaw cover of the clamping device of weld jig, it is characterized in that: described three lobe lower electrode arrangement comprise:

2. the three lobe lower electrode arrangement for clamping soldering part during irregular parts welding according to claim 1, is characterized in that: described limb structure is three limb structures of 120 ° of equal distribution.

3. the three lobe lower electrode arrangement for clamping soldering part during irregular parts welding according to claim 1, it is characterized in that: soldering part is arranged on the upper end of conduction cylindrical shell, contact with the upper end of pillar bottom it, the upper end that described pillar contacts with soldering part is made up of diamond or ceramic material.