Fastener quenching device

A quenching device and fastener technology, applied in the direction of quenching device, furnace type, furnace, etc., can solve the problems of fastener deformation, waste, large temperature difference of fasteners, etc., so as to delay the falling speed, disperse evenly, and reduce waste. Effect

Pending Publication Date: 2018-05-01
ZHEJIANG DONGHE MASCH TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of this method is: when batches of fasteners enter the quenching tank at the same time, there will be instantaneous high temperature in the cooling liquid, and the temperature difference between the fasteners will be too large, resulting in uneven temperature of the fasten

Method used

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  • Fastener quenching device

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[0011] The present invention will now be further described with reference to the drawings.

[0012] Such as figure 1 As shown, a fastener quenching device includes a quenching furnace 1. The quenching furnace 1 includes a discharge port 2. A tubular spray pipe 3 is provided below the discharge port 2, and a pipe at the upper end of the spray pipe 3 The port is located below the discharge port 2, and the spray pipe 3 is provided with a charging barrel 4 underneath the spray pipe 3. The nozzle at the lower end of the spray pipe 3 extends into the charging barrel 4, and the charging barrel 4 is located in the oil collecting barrel 5. A bracket 6 is installed in the barrel 5, and the charging barrel 4 is mounted on the bracket 6 to rotate around its axis. The side walls and the bottom of the charging barrel 4 are grid-shaped. The charging barrel 4 is rotated by a motor 7. The inner wall of the spray pipe 3 is provided with a closed oil cavity 8, and the inner wall of the spray pipe ...

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Abstract

The invention discloses a fastener quenching device which comprises a quenching furnace. The quenching furnace comprises a discharging opening, a tubular spraying pipe is arranged below the discharging opening, a charging barrel is arranged below the spraying pipe and positioned in an oil collecting barrel, a support is installed in the oil collecting barrel, and the charging barrel is installed on the support and can rotate around the axis of the support; the side wall and the bottom of the charging barrel are both in a latticed shape, the charging barrel is controlled by a motor to rotate, and a closed oil cavity is formed in the pipe wall of the spraying pipe; a plurality of spray heads which are uniformly distributed are arranged on the inner wall of the spraying pipe, the spray headscommunicate with an oil cavity, and the oil cavity is connected with a cooling liquid box through a pipeline; and cooling liquid is contained in the cooling liquid box, the pipeline is connected withthe bottom of the cooling liquid box, a booster pump is installed on the pipeline, the barrel bottom of the oil collecting barrel is connected with a recycling pipeline, and the recycling pipeline isconnected with the cooling liquid box. According to the fastener quenching device, all-directional rapid quenching and cooling can be achieved for fasteners, so that the situation that the local temperature is too high due to agglomeration and the fasteners are prone to deformation is reduced.

Description

technical field [0001] The invention relates to the technical field of fastener processing, in particular to a fastener quenching device. Background technique [0002] Fasteners will retain a large amount of internal stress during processing, and quenching is required to eliminate the remaining strain. The traditional fastener quenching process is: batches of fasteners are heated in a quenching furnace, and then sent to a quenching tank filled with coolant for cooling. The disadvantage of this method is: when batches of fasteners enter the quenching tank at the same time, there will be instantaneous high temperature in the cooling liquid, and the temperature difference between the fasteners will be too large, resulting in uneven temperature of the fasteners. parts will be deformed. At the same time, a large amount of cooling liquid must be prepared in the quenching tank, and the fasteners will stick and take away part of the cooling liquid, causing the quenching tank to ne...

Claims

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Application Information

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IPC IPC(8): C21D1/667C21D9/00
CPCC21D1/667C21D9/0068C21D9/0093Y02P10/20
Inventor 雷涛平
Owner ZHEJIANG DONGHE MASCH TECH CO LTD
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