CN203761219U - Tooling for wire head argon arc welding of motor stator - Google Patents

Abstract

A tooling for wire head argon arc welding of a motor stator is characterized in that the tooling is a ring. Rectangular grooves corresponding to iron core inserted wire grooves are uniformly distributed on the ring body, the width of the rectangular grooves is larger than the width of the iron core inserted wire grooves, and the distance between the upper edges of two slant surfaces of the upper end faces of the rectangular grooves is larger than that between the outer surfaces of longitudinal wires of U-shaped wires on the outer side of the iron core inserted wire grooves and the inner surfaces of longitudinal wires of U-shaped wires on the inner sider of the iron core inserted wire grooves. The slant angles of the two slant surfaces of the rectangular grooves meet the following conditions: when the rectangular grooves of the ring sleeve on the longitudinal wires of the four U-shaped wires outside the U-shaped grooves of an iron core and the upper surface of the ring is fitted with the lower surface of the iron core, the lower ends of bare wire heads of the longitudinal wires of the four U-shaped wires in the grooves are elastically fitted together, and the lower edges of the two slant surfaces of the rectangular grooves are fitted with the bare wire heads of the longitudinal wires of the U-shaped wires inside and outside of the U-shaped grooves in a supported manner. The thickness of the ring is smaller than the length of the longitudinal wires of the U-shaped wires protruding out of the lower surface of the iron core, and the outer diameter of the ring is smaller than the inner diameter of a step ring below a ratchet wheel rotating sleeve of a welding machine. The tooling cannot generate overheating deformation to burn original paint of fitted enameled wires.

Description

The frock of a kind of motor stator the end of a thread argon arc welding

Technical field:

The utility model relates to the welding tooling, the particularly frock of a kind of motor stator the end of a thread argon arc welding in motor production.

Background technology:

Generator stator of vehicle is provided with 72 or 96 line embedding grooves, the enamelled wire of square-section will curve U-shaped shape, before rule, each U-shaped line will first be scraped both sides ordinate line end paint and form bare wire head, then two of every U-shaped line ordinates will insert across seven line embedding grooves by layout, every line embedding groove will have the one-sided ordinate of four U-shaped lines to insert, then two, the outside of single groove bare wire head, two of inner sides bare wire head are carried out respectively to argon arc welding welding, could form stator loop.

When welding, bare wire upside down, first on the first end of stator core curved line, be inserted in a upper press ring, then the first end of iron core iron core straight line be inserted in the ratchet pivoted housing of welding machine special down, the outer ring screens of iron core lower surface is on the upper surface of the ring of getting out of a predicament or an embarrassing situation of ratchet pivoted housing.Ratchet pivoted housing below has two symmetrical horizontal push rods difference pushing tows the U-shaped line ordinate in the line embedding groove of the left and right of a diameter, four rule bare terminal end in a line embedding groove are squeezed into the elasticity shape that reclines, then both sides welding action simultaneously, first will weld with the ordinate place of reclining, two, outside in groove, then move limit by the ordinate welding of two of the inner sides in this groove.After two slot weldings connect, welding gun declines, and laterally push rod is given up the throne, four ordinate elastic recoils in single groove, but four ordinate bare wire heads of single groove have been and weld between two shape, and ratchet pivoted housing turns over a tooth under the promotion of ratchet, then enters next round reflow and connect.

Laterally the defect of pusher structure is: enamelled wire is very narrow, and push rod width is limited, just can not contact with the enamelled wire of adjacent wire casing.Thrust conduction is simultaneously again a complete structure, and cost is higher.Laterally push rod is again as the ground wire welding, point position is pasted on push rod top can only be on ordinate bare wire head, push rod is too thin and arc welding gun head spacing is too little, the too thin thermal capacity of push rod is again little, in the time of welding, conducted heat by argon arc welding, continuously one and another samsara is heated, and after push rod high temperature, often bends, and affects continuous production.Overheated horizontal push rod can directly burn out the former paint being reclined on enamelled wire simultaneously.

Summary of the invention:

The purpose of this utility model is to overcome above-mentioned defect, and the frock of a kind of motor stator the end of a thread argon arc welding is provided.

Scheme of the present utility model is: it is characterized in that: frock is torus, on torus, be evenly equipped with the rectangular channel corresponding with iron core line embedding groove, rectangular channel groove width is greater than iron core line embedding groove groove width, rectangular channel radially flute length two sides is inclined-plane, the upper spacing that is greater than U-shaped line ordinate outerplanar and inner side U-shaped line ordinate inner plane outside iron core line embedding groove along limit spacing on Liang Ge inclined-plane, rectangular channel upper surface; Oblique angle, two inclined-planes of rectangular channel meets the following conditions: outside torus rectangular channel is enclosed within the U-lag of iron core on four U-shaped line ordinates, when torus upper surface and the laminating of iron core lower surface, in groove, four U-shaped line ordinate bare wire head bottom elasticity stick together, and the lower of two inclined-planes of rectangular channel pastes with the U-shaped line ordinate bare wire crown, medial and lateral respectively along limit simultaneously; Torus thickness is less than the length of U-shaped line ordinate projection iron core lower surface, and torus external diameter is less than the welding machine ratchet pivoted housing ring internal diameter of getting out of a predicament or an embarrassing situation.

The utility model has the advantage of: torus entirety is conducted heat, heat radiation, can there is not horizontal push rod overheating deforming and burn out the former paint phenomenon being reclined on enamelled wire, torus cover line is simple to operate, the normal operation of removing pusher structure, saving cost and guarantee production line.

Brief description of the drawings:

Fig. 1 is the installment state schematic diagram of prior art iron core on welding machine.

Fig. 2 is the horizontal push rod pushing tow of prior art view.

Fig. 3 is the utility model frock fit scheme of installation.

Fig. 4 is the utility model structure enlarged diagram.

Fig. 5 is the A-A cutaway view of Fig. 4.

Embodiment:

The utility model is characterized in that: frock is torus 5, on torus 5, be evenly equipped with the rectangular channel corresponding with iron core 3 line embedding grooves, rectangular channel groove width is greater than iron core 3 line embedding groove groove widths, rectangular channel radially flute length two sides is inclined-plane, the upper spacing that is greater than U-shaped line ordinate 2 outerplanars and inner side U-shaped line ordinate 2 inner planes outside iron core line embedding groove along limit spacing on Liang Ge inclined-plane, rectangular channel upper surface; Oblique angle, two inclined-planes of rectangular channel meets the following conditions: outside torus 5 rectangular channels are enclosed within the U-lag of iron core 3 on four U-shaped line ordinates 2, when torus 5 upper surfaces and iron core 3 lower surfaces laminating, in groove, four U-shaped line ordinate 2 bare wire head bottom elasticity stick together, and the lower of two inclined-planes of rectangular channel pastes with the medial and lateral U-shaped line ordinate 2 bare wire crowns respectively along limit simultaneously; Torus 5 thickness are less than the length of protruding iron core 3 lower surfaces of U-shaped line ordinate 2, and torus 5 external diameters are less than the welding machine ratchet pivoted housing 1 ring internal diameter of getting out of a predicament or an embarrassing situation.

Before added, the ordinate 2 of first torus 5 being aimed on iron core 3 line embedding grooves is inserted in.Owing to being greater than the spacing of U-shaped line ordinate 2 outerplanars and inner side U-shaped line ordinate 2 inner planes outside iron core 3 line embedding grooves on torus 5 inclined-plane lead angles along limit spacing, so firmly overlapping fashionable inclined-plane lead angle can import, oppress four U-shaped line ordinates 2 and produce strain, paste mutually in longitudinal alignment, and the strain Flexible Reset power of this U-shaped line ordinate 2 also entangle torus 5 elasticity firm location can landing.All outer being exposed at outside torus 2 of the bare wire head of U-shaped line ordinate 2 after fit, then integral installation is on welding machine.Weld the complete torus 2 of pulling up, the U-shaped line ordinate 2 on iron core again can elastic reset.But four ordinates of single groove, 2 bare wire heads have been and have welded between two shape.Rectangular channel Xia Yan limit, two inclined-planes and the medial and lateral U-shaped line ordinate 2 bare wire crowns are pasted and are played again ground wire effect.

Radiating effect is more much better than push away subsides with horizontal push rod 4, can not produce and burn out the former paint phenomenon of the enamelled wire that reclines, and ensures welding quality and continuity.

Claims (1)

1. the frock of motor stator the end of a thread argon arc welding, it is characterized in that: frock is torus (5), on torus (5), be evenly equipped with the rectangular channel corresponding with iron core (3) line embedding groove, rectangular channel groove width is greater than iron core (3) line embedding groove groove width, rectangular channel radially flute length two sides is inclined-plane, the upper spacing that is greater than U-shaped line ordinate (2) outerplanar and inner side U-shaped line ordinate (2) inner plane outside iron core line embedding groove along limit spacing on Liang Ge inclined-plane, rectangular channel upper surface; Oblique angle, two inclined-planes of rectangular channel meets the following conditions: when outside torus (5) rectangular channel is enclosed within the U-lag of iron core (3), upper, torus (5) upper surface of four U-shaped line ordinates (2) is fitted with iron core (3) lower surface, in groove, four U-shaped line ordinates (2) bare wire head bottom elasticity sticks together, and the lower of two inclined-planes of rectangular channel pastes with medial and lateral U-shaped line ordinates (2) the bare wire crown respectively along limit simultaneously; Torus (5) thickness is less than the length of the protruding iron core of U-shaped line ordinate (2) (3) lower surface, and torus (5) external diameter is less than welding machine ratchet pivoted housing (1) the ring internal diameter of getting out of a predicament or an embarrassing situation.