Clamping mould of spot welding of rectangular circuit board and L-shaped plate leading-out foot
A circuit board and lead-out technology, which is applied in the direction of manufacturing tools, welding equipment, auxiliary welding equipment, etc., can solve the problems of inability to weld, affect the efficiency of the spot welding process, and the high defect rate of L-shaped leads, so as to reduce the defect rate and Manufacture precision requirements, improve effects, and reduce costs
Inactive Publication Date: 2015-02-18
SHANGHAI HUGONG AUTO ELECTRIC
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Problems solved by technology
[0005] The technical problem to be solved in the present invention is: in the existing process of spot welding the L-shaped lead-out pin and the circuit board, the positioning mold can only complete the positioning of the relative position between the circuit board and the L-shaped lead-out pin, but cannot ensure that the point The accurate positioning between the welding head of the welding machine and the workpiece affects the efficiency of the spot welding process; once the verticality of the L-shaped lead-out pin is insufficient, the short board and the circuit board cannot be bonded, so that welding cannot be performed, resulting in an L-shaped The lead-out pin defect rate is high
Method used
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Embodiment Construction
[0024] The present invention will be further described below in conjunction with specific examples.
[0025] see figure 1 , the rectangular circuit board and the four L-shaped plate-shaped pins are welded and fixed. This structure is widely used in solid-state relays for vehicles.
[0026] see Figure 2-Figure 4 , a clamping mold for spot welding a rectangular circuit board and an L-shaped plate-shaped pin, including a fixed plate 8 correspondingly arranged from bottom to top, a fixture positioning seat 7, a circuit board positioning body 6, and a pin clamping body 5 ; The fixture positioning seat 7 is fixed on the fixed plate 8, and there are four clamping holes for moving and positioning the circuit board positioning body 6 inside; the lead-out pin clamping body 5 is provided with four L-lead pins The spot welding through hole 501, the shape of the spot welding through hole 501 is divided into two parts: one part corresponds to the short plate of the L-shaped lead-out pin,...
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The invention relates to a clamping mould of spot welding of a rectangular circuit board and an L-shaped plate leading-out foot. The clamping mould is characterized by comprising a fixing board, a fixture locating base, a circuit board locating body and a leading-out foot clamping body, wherein the fixing board, the fixture locating base, the circuit board locating body and the leading-out foot clamping body are sequentially and correspondingly arranged from bottom to top. The fixture locating base is fixed on the fixing board, and clamping holes for moving and locating four positions of the circuit board locating body are formed in the fixture locating base. The leading-out foot clamping body is provided with four spot welding through holes of the L-shaped plate leading-out foot, each spot welding through hole is divided into two parts in shape, one part corresponds to a short board of the L-shaped plate leading-out foot, and the other part is provided with an elastic clamping piece for clamping a long board of the L-shaped plate leading-out foot; the circuit board locating body is provided with a horizontal bearing surface attached to the short board of the L-shaped plate leading-out foot, and the leading-out foot clamping body is in rigid fit with the circuit board locating body; moving and locating of the four positions of the circuit board locating body are conducted in the clamping holes of the fixture locating base, and the four spot welding through holes respectively correspond to a spot welding head at the corresponding portion of the short board of the L-shaped plate leading-out foot for one time.
Description
technical field [0001] The invention relates to a clamping mold for spot welding of lead pins of a circuit board, specifically, a clamping mold for spot welding of a rectangular circuit board and an L-shaped plate-shaped pin, and belongs to the technical field of welding clamping molds. Background technique [0002] The positioning accuracy between the circuit board lead-out pin and the circuit board is high, and it is usually fixed by spot welding. However, for the L-shaped plate-shaped lead-out pin, including long boards and short boards, the short board needs to be fixed during spot welding. Soldering with the circuit board, such as figure 1 As shown, a standard joint form with four pins is formed. [0003] The existing welding method generally adopts the method of clamping and positioning the mold. The circuit board is placed on the workbench of the electric welding machine, and the circuit board and the lead-out pins are respectively clamped and fixed by the mold. The...
Claims
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IPC IPC(8): B23K37/04
Inventor 李荣王哲平朱佳乐
Owner SHANGHAI HUGONG AUTO ELECTRIC