CN209363550U - A kind of punch die structure forming end face projection welding threaded support pipe - Google Patents

Abstract

The utility model discloses a kind of punch die structures for forming end face projection welding threaded support pipe, it is characterized by: it includes punch die ontology (1), the punch die ontology (1) includes that punch die shell (101), punch die rush stick (102), punch die cushion block one (103), punch die cushion block two (104), punch die cushion block three (105), ejection rush stick (106) and eject casing (107)；The utility model provides a kind of punch die structure for forming end face projection welding threaded support pipe, it can guarantee that punch die ejects part after forming deep hole, part is pulled out with stick is rushed when punch die being avoided to retreat, two parts bump against when next forming parts, cause burn failure and frequently more mold exchange, production efficiency is improved, production cost is reduced.

Description

A kind of punch die structure forming end face projection welding threaded support pipe

Technical field

The utility model belongs to hardware spare and accessory parts technical field, is specifically exactly to be related to a kind of molding end face projection welding screw thread branch The punch die structure of stay tube.

Background technique

It is usually used in machinery industry to arrive various hardwares as processing and installation, such as fastener is exactly a kind of common Hardware, be used a kind of mechanical when two or more parts or component to be fastenedly connected into an entirety The general name of part.Nut is used with bolt, screw fit, and the fastener of connection fastening effect is played.

Most nuts are all that the nut molding machine in cold-heading workshop forms, and projection welding threaded support pipe in end face belongs to one kind Abnormity nut has the characteristics that projection welding, large flange face and internal stepped bore, during cold-heading molding, because head and inner hole become Shape amount is big, and when production rushes stick and was easily stuck in mould material, and part is pulled out with stick is rushed when punch die exits, during continuously shaped under One blank bumps against, mold damage, frequently changes the mold, and production efficiency is low.

Utility model content

The purpose of this utility model is the presence of punching during cold-heading molding for existing end face projection welding threaded support pipe Part is pulled out with stick is rushed when mould exits, and is bumped against during continuously shaped with next blank, mold damage, is frequently changed the mold, production The problems such as low efficiency, provides a kind of punch die structure for forming end face projection welding threaded support pipe, and punch die can be guaranteed in molding deep hole After eject part, part is pulled out with stick is rushed when punch die being avoided to retreat, and two parts bump against when next forming parts, and mold is caused to damage Bad and frequent more mold exchange, improves production efficiency, reduces production cost.

Technical solution

In order to achieve the above technical purposes, a kind of punch die forming end face projection welding threaded support pipe provided by the utility model Structure, it is characterised in that: it includes punch die ontology, and the punch die ontology includes that punch die shell, punch die rush stick, punch die cushion block one, punching Stick and ejection casing are rushed in die-cushion block two, punch die cushion block three, ejection；

The punch die rushes stick in the installation cavity of the punch die shell, and the punch die cushion block one is placed in the punch die shell The tail portion that the punch die rushes stick is resisted in mounting groove, the ejection rushes stick in the ejection hole on the punch die shell, the top The tail portion for rushing stick out resists punch die cushion block two, described to eject the left end head threaded connection ejection casing for rushing stick, the ejection punching Stick passes through the ejection casing, and punch die cushion block three is fitted together with the punch die shell, and the punch die cushion block two is placed in the punch die In guide slots on cushion block three.

Further, the punch die shell and punch die, which rush at stick cooperation, studs with tungsten steel block, and the ejection rushes stick left end equipped with outer spiral shell Line, the effective nut check of ejector sleeve are fixed on the ejection and rush stick left end screw thread position, is oriented on the punch die cushion block three Slot cross section is intermediate rectangle, both ends arc angle rounding off, and the punch die cushion block two is placed on the punch die cushion block three Slide fit in guide slots.

Further, when the punch die cushion block two is head-to-foot to the left, ejection casing left end rushes stick top at least beyond ejection 1mm。

Beneficial effect

It is provided by the utility model it is a kind of form end face projection welding threaded support pipe punch die structure, can guarantee punch die at Moldeed depth ejects part behind hole, and part is pulled out with stick is rushed when punch die being avoided to retreat, and two parts bump against when next forming parts, causes Burn failure and frequently more mold exchange, improve production efficiency, reduce production cost.

Detailed description of the invention

Attached drawing 1 is the punch die structure that projection welding threaded support pipe in end face is formed in the utility model embodiment.

Attached drawing 2 is the cross-sectional view of punch die cushion block three in the utility model embodiment.

Specific embodiment

With reference to the accompanying drawings and examples, the utility model is described further.

Embodiment

As shown in figure 1 and 2, a kind of punch die structure forming end face projection welding threaded support pipe, it is characterised in that: it includes Punch die ontology 1, the punch die ontology 1 include punch die shell 101, punch die rush stick 102, punch die cushion block 1, punch die cushion block 2 104, Punch die cushion block 3 105, ejection rush stick 106 and ejection casing 107；

The punch die rushes stick in the installation cavity 101a of the punch die shell 101, and the punch die cushion block 1 is placed in described The tail portion that the punch die rushes stick 102 is resisted in mounting groove 101b in punch die shell 101, the ejection rushes stick 106 mounted in the punching In ejection hole 101c on formwork 101, the tail portion that stick 106 is rushed in the ejection resists punch die cushion block 2 104, and stick is rushed in the ejection 106 left end head is threadedly coupled ejection casing 107, and the ejection rushes stick 106 across the ejection casing 107, punch die cushion block 3 105 are fitted together with the punch die shell 101, and the punch die cushion block 2 104 is placed in the guide groove on the punch die cushion block 3 105 In the 105a of hole.

The punch die shell 101 rushes at 102 cooperation of stick with punch die studs with tungsten steel block 108, and the ejection is rushed 106 left end of stick and is equipped with External screw thread, the ejection casing 107 are fixed on the ejection with nut check and rush 106 left end screw thread position of stick, the die pad The cross section guide slots 105a is intermediate rectangle, both ends arc angle rounding off on block 3 105, and the punch die cushion block 2 104 is set The slide fit in the guide slots 105a on the punch die cushion block 3 105.

When the punch die cushion block 2 104 is head-to-foot to the left, ejection 107 left end of casing rushes 106 top 1mm of stick beyond ejection.

The utility model provide it is a kind of form end face projection welding threaded support pipe punch die structure, can guarantee punch die at Moldeed depth ejects part behind hole, and part is pulled out with stick is rushed when punch die being avoided to retreat, and two parts bump against when next forming parts, causes Burn failure and frequently more mold exchange, improve production efficiency, reduce production cost.

The present embodiment structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification revealed interior Hold, so that those skilled in the art understands and reads, is not intended to limit the utility model enforceable qualifications, therefore not Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are practical new not influencing this Under the effect of type can be generated and the purpose that can reach, it should all still fall in the revealed technology contents of the utility model and obtain and can contain In the range of lid.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre ", " clockwise ", " inverse time in this specification The term of needle " etc. is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, it is opposite to close System is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.

Claims (3)

1. a kind of punch die structure for forming end face projection welding threaded support pipe, it is characterised in that: it includes punch die ontology (1), described Punch die ontology (1) includes that punch die shell (101), punch die rush stick (102), punch die cushion block one (103), punch die cushion block two (104), punch die Stick (106) and ejection casing (107) are rushed in cushion block three (105), ejection；The punch die rushes stick (102) mounted in the punch die shell (101) Installation cavity (101a) in, is resisted in mounting groove (101b) that the punch die cushion block one (103) is placed in the punch die shell (101) The punch die rushes the tail portion of stick (102), and the ejection hole (101c) of stick (106) on the punch die shell (101) is rushed in the ejection Interior, the tail portion that stick (106) is rushed in the ejection resists punch die cushion block two (104), described to eject the left end head threads for rushing stick (106) Connection ejection casing (107), the ejection rush stick (106) across the ejection casing (107), punch die cushion block three (105) and institute It states punch die shell (101) to be fitted together, the punch die cushion block two (104) is placed in the guide slots on the punch die cushion block three (105) In (105a).

2. a kind of punch die structure for forming end face projection welding threaded support pipe as described in claim 1, it is characterised in that: the punching Formwork (101) and punch die, which rush at stick (102) cooperation, to be studded with tungsten steel block (108), and the ejection rushes stick (106) left end equipped with outer spiral shell Line, the ejection casing (107) are fixed on the ejection with nut check and rush stick (106) left end screw thread position, the die pad The guide slots cross section (105a) is intermediate rectangle, both ends arc angle rounding off, the punch die cushion block two on block three (105) (104) it is placed in slide fit in the guide slots (105a) on the punch die cushion block three (105).

3. a kind of punch die structure for forming end face projection welding threaded support pipe as described in claim 1, it is characterised in that: the punching When die-cushion block two (104) is head-to-foot to the left, ejection casing (107) left end rushes stick (106) top at least 1mm beyond ejection.