Screw head forming process
A forming process and head technology, applied in the field of screw head forming process, can solve the problems of screw teeth damage, unfavorable screw forming processing, etc., to avoid slippage, facilitate smooth heading forming, and reduce damage rate. Effect
Active Publication Date: 2021-02-19
广州法思特精密五金有限公司
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Problems solved by technology
As a kind of fastener, screw is often used for fixing between wood, between metal and between wood and metal. Before the screw is formed and processed, the existing machinery factory generally cuts the steel wire into a cut-off material, that is, before the screw is formed. Then collect and transport the heading machine to make the round head of the screw end, and then collect and transport the slotting machine to perform cross or slotting on the screw head. The processing process requires manual secondary collection and transportation, which is easy to make the teeth of the screw Damaged, which is not conducive to the high-quality forming process of the screw
Method used
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Embodiment 1
[0083] The invention provides a screw head molding process, comprising the following steps:
[0084] 1. The screw raw material cut-off stage:
[0085] S1. First extend the straight steel wire to the feeding port of the upset table of the screw head forming device;
[0086] S2. Then start the cut-off electric cylinder to drive the cut-off block to move down, and then the cut-off block contacts the steel wire and cuts off to form a cut-off material;
[0087] S3, then the cut material falls into the material guide mechanism, and slides until it is blocked by the material shifting mechanism;
[0088] The screw head forming device includes an upsetting table for upsetting and pressing the screw head. The top surface of the upsetting table is provided with a material guide mechanism that moves the cut material along its own axial direction. A cut-off mechanism for cutting the steel wire, the cut-off mechanism includes a cut-off electric cylinder that provides downforce and a cut-o...
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The invention discloses a screw head forming process. The process comprises the following steps that a straight steel wire is led to an upsetting table, a cut-off electric cylinder is started to cut off the straight steel wire, a poking servo motor is started to poke cut-off materials forwards to the position below a pressing mechanism in pairs, then a pressing electric cylinder is started to press the cut-off materials, and a heading electric cylinder is started to conduct heading slotting one-time forming on the exposed ends of the cut-off materials. According to the process, the upsetting table is arranged to cut off the cut-off materials and then perform heading operation, a heading block and a heading column in a heading mechanism can synchronously perform heading forming on the headsof the cut-off materials, and the front end of the heading column can be made into a cross shape or a straight line shape, so that a cross groove and a straight line groove can be formed in the headsof the cut-off materials, the mechanism settles screw heading at one go, the screw head slotting procedure is omitted, the screw damage rate is reduced, and the popularization value is achieved.
Description
technical field [0001] The invention relates to the technical field of hardware processing, in particular to a screw head forming process. Background technique [0002] In the machining industry, hardware refers to mechanical parts processed with gold, silver, copper, iron and other metals. As a kind of fastener, screw is often used for fixing between wood, between metal and between wood and metal. Before the screw is formed and processed, the existing machinery factory generally cuts the steel wire into a cut-off material, that is, before the screw is formed. Then collect and transport the heading machine to make the round head of the screw end, and then collect and transport the slotting machine to perform cross or slotting on the screw head. The processing process requires manual secondary collection and transportation, which is easy to make the teeth of the screw Damaged, not conducive to the high-quality forming process of the screw. Contents of the invention [000...
Claims
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IPC IPC(8): B21F5/00B21F11/00B21F45/16
CPCB21F5/005B21F11/00B21F45/16
Inventor 田永军
Owner 广州法思特精密五金有限公司