CN-122012906-A - Quenching cooling device for wear-resistant steel balls

CN122012906ACN 122012906 ACN122012906 ACN 122012906ACN-122012906-A

Abstract

The invention belongs to the field of part quenching, in particular to a wear-resistant steel ball quenching cooling device, which comprises a plurality of heating furnaces which are communicated with each other, wherein an upper charging door for throwing steel balls is arranged at the top of each heating furnace, a separable lower separation seat is arranged at the bottom of each heating furnace, a discharging valve and two communicating valves are arranged at the bottom of each lower separation seat, a transmission pipe fixedly connected with each communicating valve is arranged between the communicated heating furnaces, the complex flow of workpieces which are required to be frequently transferred in the traditional process is improved, and the whole procedures of heating, quenching and tempering can be automatically completed by sequentially injecting heating liquid, quenching liquid and tempering liquid into the same tank body, so that the equipment occupation and mechanical complexity are greatly reduced, the heat loss, oxide skin generation and operation safety risks in the workpiece transferring process are fundamentally eliminated, the working process is free from exposure and safer, and the solution of realizing high-consistency and high-efficiency continuous production is realized.

Inventors

LIN GUOBIAO
LIU GUANGMING
QIU XIAOLI
WANG TINGYONG
Lu Yaokuan
HUANG JIABIN

Assignees

福建金山耐磨材料有限公司

Dates

Publication Date: 20260512
Application Date: 20260416

Claims (10)

1. The wear-resistant steel ball quenching cooling device is characterized by comprising a plurality of heating furnaces which are communicated with one another, wherein an upper charging door for throwing steel balls is arranged at the top of each heating furnace, a separable lower separation seat is arranged at the bottom of each heating furnace, a discharge valve and two communication valves are arranged at the bottom of each lower separation seat, a transmission pipe fixedly connected with each communication valve is arranged between the heating furnaces which are communicated with each other, and a stirring rod capable of rotating is arranged in each heating furnace.
2. The quenching cooling device for the wear-resistant steel balls, as set forth in claim 1, wherein the heating furnace is flat and vertically arranged, the stirring rod is vertically arranged in the heating furnace, and a plurality of conveying valves communicated with the interior of the heating furnace are fixedly connected to the front end of the heating furnace near the top.
3. The quenching cooling device for the wear-resistant steel balls, as set forth in claim 2, wherein the heating furnace is composed of a lower adapting frame and an upper expansion frame, the inner width of the lower adapting frame is the same as the width of the stirring rod, the width of the upper expansion frame is larger than the width of the lower adapting frame, and the joint of the lower adapting frame and the upper expansion frame is in smooth transition.
4. The quenching cooling device for the wear-resistant steel balls, as set forth in claim 3, is characterized in that a plurality of lock bolts are installed between the heating furnace and the lower separating seat, a plurality of first door shafts positioned on the same side are also installed between the heating furnace and the lower separating seat, and a second door shaft is installed between the heating furnace and the upper charging door.
5. The quenching cooling device for the wear-resistant steel balls, as set forth in claim 4, wherein the middle part of the stirring rod is fixedly connected with a transmission shaft, the outer side of the heating furnace is fixedly connected with a driving motor for driving the transmission shaft to rotate, the outer side of the heating furnace is also provided with a separator communicated with the transmission shaft, and the output end of the separator penetrates through the inner wall of the heating furnace and is communicated with the inside.
6. The quenching cooling device for the wear-resistant steel balls, as set forth in claim 5, wherein the stirring rod is provided with edge platforms at both ends, the edge platforms are attached to the inner wall of the heating furnace, the edge platforms and the stirring rod are both hollow, the edge platforms are communicated with the separator through the stirring rod and the transmission shaft, and the two ends of the edge platforms are provided with flow holes.
7. The quenching cooling device for the wear-resistant steel balls, as set forth in claim 6, wherein the edge table is fixedly connected with a partition plate which is obliquely arranged, the stirring rod is obliquely provided with a gravity valve inside, the gravity valve comprises a rotatable cover plate and a valve frame which is fixed on the inner side of the stirring rod, and the middle part of the cover plate is fixedly connected with a balancing weight.
8. The quenching cooling device for the wear-resistant steel balls, as set forth in claim 7, is characterized in that the end of the transmission shaft is rotatably clamped with the separator, a detachable filter element box is arranged on the outer side of the separator, and a steam valve is arranged on the outer side of the heating furnace close to the top.
9. The quenching cooling device for the wear-resistant steel ball of claim 8, wherein the heating furnace comprises an inner contact layer, an electric heating layer, a steam layer and an outer protection layer in sequence from inside to outside, and the output end of the steam valve is communicated with the steam layer.
10. The quenching cooling device for the wear-resistant steel balls, as set forth in claim 9, is characterized in that the discharge valve is positioned at the front ends of the two communication valves, the transmission pipe is made of high-temperature-resistant metal, and a positioning seat is fixedly connected to the outer side of the middle of the transmission pipe.

Description

Quenching cooling device for wear-resistant steel balls Technical Field The invention belongs to the field of part quenching, and particularly relates to a quenching cooling device for a wear-resistant steel ball. Background The quenching process is characterized in that a cooling medium is selected according to materials, the cooling speed is controlled to avoid cracking, the stress is eliminated by low-temperature tempering, and the hardness is kept. The steel ball is a basic element in industry, and mainly comprises two types, namely a bearing steel ball is used for bearings of equipment such as automobiles, wind power, machinery and the like, plays roles in bearing rotation and reducing friction, and has hardness which is an important attribute of the steel ball, and the steel ball is required to be subjected to processing means such as quenching, tempering and the like to obtain high hardness. The traditional quenching cooling device is simple in structure, only one water reservoir and hoisting equipment are used, the steel balls are hoisted and then are sunk into the water reservoir to be quenched, the water reservoir occupies a large area, the process is mostly open air, the high-temperature steel balls have the risks of falling, mistakenly touching and the like, the danger is high, the steel balls cannot be quickly filled with water before quenching, the surface of the steel balls is oxidized, the steel balls cannot be quickly tempered after quenching, the transfer of the high-temperature steel balls is complicated, and the working efficiency is reduced. Therefore, the invention provides a quenching cooling device for the wear-resistant steel ball. Disclosure of Invention In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved. The invention solves the technical problems by adopting the technical scheme that the wear-resistant steel ball quenching cooling device comprises a plurality of heating furnaces which are communicated with each other, wherein an upper charging door for throwing steel balls is arranged at the top of each heating furnace, a separable lower separation seat is arranged at the bottom of each heating furnace, a discharge valve and two communication valves are arranged at the bottom of each lower separation seat, a transmission pipe fixedly connected with each communication valve is arranged between the communicated heating furnaces, and a stirring rod capable of rotating is arranged in each heating furnace; By the arrangement, the complicated process that the workpiece needs to be frequently transferred in the traditional process is improved, and the whole procedures of heating, quenching and tempering can be automatically completed by sequentially injecting the heating liquid, the quenching liquid and the tempering liquid into the same tank body, so that the equipment occupation and the mechanical complexity are greatly reduced, the heat loss, the oxide skin generation and the operation safety risks in the workpiece transferring process are fundamentally eliminated, and meanwhile, the working process is safer without exposure, so that the method is a solution for realizing high-consistency and high-efficiency continuous production; compared with the traditional heating mode of an air resistance furnace, the heating mode of the heating liquid is low in air heat transfer efficiency, heating needs a plurality of hours, heating is needed to be performed comprehensively, the heating is stopped and kept at different temperature nodes during heating, heating time is prolonged seriously, the surface of a steel ball is oxidized at high temperature in air during transferring, thick oxide skin is generated, dimensional accuracy and surface quality are affected, oxide skin flaking can pollute quenching liquid during quenching, the continuous high-temperature state of the heating liquid is maintained during uninterrupted working of the heating liquid, the heating liquid needs to be neither evaporated nor have fluidity at high temperature of more than eight hundred degrees, the material is easy to solidify at low temperature inevitably, the heating liquid is always in a working state by adopting a mode of circularly using the heating liquid by a plurality of heating furnaces, the high-temperature state of high fluidity is maintained, the solidification phenomenon is avoided, and the problem of heat waste caused by repeated cooling and heating is avoided. Preferably, the heating furnace is flat and vertically arranged, the stirring rod is vertically arranged in the heating furnace, a plurality of conveying valves communicated with the inside of the heating furnace are fixedly connected to the front end of the heating furnace near the top, the heating furnace is arranged in a mode that the stirring rod can effectively wave steel balls in the heating furnace during stirring, the steel balls with large mass can be moved to an