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Projection nut feeding device

A projection welding nut and feeding device technology, which is applied in the field of guide pin devices, can solve the problems that the guide pin 3 cannot be fitted correctly, and the nut cannot be fed normally.

Active Publication Date: 2010-12-08
青山好高
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the guide pin 3 cannot be fitted into the screw hole 2 correctly, which causes the nut 1 to be bounced off by the guide pin 3 when it falls in an arc motion, so that the nut cannot be fed normally.

Method used

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  • Projection nut feeding device
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  • Projection nut feeding device

Examples

Experimental program
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Effect test

Embodiment Construction

[0037] The feeding device of the projection welding nut of the present invention is a feeding device that improves the structure of attracting and holding the projection welding nut 1 at the front end of the feed rod 6, and other structures are the same as those described above. Figure 2 to Figure 5 The apparatus shown is the same. Therefore, the following, according to Figure 1A ~ Figure 1E The shape of the protruding piece 31 constituting a part of the surrounding wall 7 is described, and for other structures, in combination with Figure 2 to Figure 5 Instead, reference is made to matters already stated.

[0038] Figure 1A equivalent to figure 2 The view in the direction of the a arrow, Figure 1B show only Figure 1A Tab 31 in. The protruding piece 31 here is made by bending the steel plate to approximately 90 degrees, and an intersecting support surface 37 is formed on the inner side of the protruding piece 31 for supporting the adjacent outer surface 35 of the nut...

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PUM

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Abstract

The present invention provides a projection nut feeder in which the screw hole of a projection nut can accurately coincide with an electrode guide pin. At the tip end of a feeding rod 6, there is provided a projecting piece 31 that holds a square projection nut 1 from below in close contact with the outer side 35 of the nut 1. With the projecting piece 31 bent, crossing support faces 37 are formed inside supporting the adjacent outer side 35 of the nut 1, wherein a corner surface line 38 at the crossing place of the support faces 37 is arranged toward the lower side of the feeding rod 6. Consequently, a relative position between the screw hole 2 of the nut 1 and the electrode guide pin 3 is accurately decided, making highly reliable nut feeding possible.

Description

technical field [0001] The present invention relates to an apparatus for feeding a projection nut to a guide pin of a fixed electrode. Background technique [0002] according to Figure 2 to Figure 5 Conventional techniques will be described. Figure 3A and Figure 3B The situation where the projection weld nut 1 is fed to the guide pin 3 under normal conditions is shown. What the projection welding nut 1 under this traditional technology took is the form that the upper end of the screw hole 2 is installed with a cover 4 . The effect of this kind cover 4 is, when projection welding nut 1 is welded on the lower surface of automobile base plate, be used for preventing the paint that is coated on this lower surface from the sound insulation coating from entering in screw hole 2. In addition, reference numeral 5 denotes a protrusion for welding. [0003] Feed rod 6 is a forward and backward type, and its front end is provided with the surrounding wall 7 of projection welding...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q7/16B23P19/00B23K11/14
CPCB23P19/006B23K11/14B23P19/00
Inventor 青山好高青山省司
Owner 青山好高
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