Steel structure shot blasting machine, the steel structure or steel is sent into the projectile area of ​​the cleaning machine room by the electrically controlled adjustable speed conveyor roller during the cleaning process. The whole body is impacted and rubbed by powerful intensive projectiles from different coordinate directions. The oxide scale, the rust layer and the dirt thereon are quickly detached, and the surface of the steel material obtains a smooth surface with a certain roughness, and the workpiece is loaded and unloaded at the inlet and outlet roller lanes on both sides of the outdoor cleaning.

The projectile and rust dust falling on the steel material are swept by the purging device, and the sprinkled pill dust mixture is transported from the recovery screw to the chamber funnel, and the vertical and horizontal screw conveyor is collected in the lower part of the hoist and then lifted to the upper part of the machine. In the device, the separated pure projectile falls into the separator hopper for use in shot blasting. Dust generated in the shot blasting is sent to the dust removal system by the exhaust pipe, and the cleaned air is discharged into the atmosphere, and the particulate dust is captured and collected.

2. Main components

DISA steel structure shot blasting machine 1. Cleaning room

The cleaning chamber is a large-cavity plate-type box-shaped welding structure, and the inner wall of the chamber is lined with a ZGMn13 wear-resistant protective plate, and the cleaning operation is performed in a sealed cavity.

2. Conveying roller

It is divided into indoor conveying roller and loading and unloading conveyor roller.

The indoor roller coat is made of high-chromium wear-resistant sheath and limit ring. The high-chromium wear-resistant sheath is used to protect the roller table and bear the projectile impact. The limit ring can make the workpiece run in a predetermined position to prevent deviation and cause accidents.

3. Lifting machine

Mainly composed of upper and lower transmission, cylinder, belt, hopper and so on.

The upper and lower diameter pulleys of the hoist are welded into a polygonal structure by the ribs, the wheel plates and the wheel hub group to enhance the friction force, avoid the slip phenomenon and prolong the service life of the belt.

The hood casing is bent and opened, and the cover on the hood of the hoist can be opened to repair the replacement hopper and the lap belt. Open the cover on the lower casing of the hoist to eliminate blockage of the bottom projectile.

Adjust the bolts on both sides of the upper casing of the hoist to drive the lower plate to maintain the tightness of the lifting belt.

The upper and lower pulleys are equipped with spherical spherical ball bearings, which can be automatically adjusted when subjected to vibration shock, and the sealing performance is good.

4. Separator

The screw conveyor is mainly composed of a geared motor, a screw shaft and a spiral shell.

The spherical ball bearing with a square seat is used, and the bearing can be automatically adjusted when subjected to vibration shock, and the sealing property is good.

6. Pilling pipeline

The pill pipe has a double control pill function, and a ram is arranged above each sluice pipe to cut off the projectiles from the separator respectively, so as to facilitate maintenance of the respective blasting machine; the size of the ram can be adjusted to adjust the flow of the projectile, or Any combination of specifications for cleaning the workpiece, opening and closing the number of gates to save energy, reduce wear on the machine, and ensure that production needs are met.

7. Shot blasting machine

The use of single-disc blasting machine has become a perfect high-level blasting machine in China. It is mainly composed of a rotating mechanism, an impeller, a cover, a directional sleeve, a splitting wheel, a guard plate, etc., wherein the impeller is made of Cr40 material, and the blade, the directional sleeve, the splitting wheel and the guard plate are all made of high chromium.

8. Purge device

The device adopts a high-pressure fan, and a plurality of sets of elastic blowing nozzles with different angles are arranged in the auxiliary chamber portion of the chamber body, and the remaining projectiles on the surface of the workpiece are purged and cleaned.

9. Import and export seal

The workpiece inlet and outlet sealing device is made of rubber spring steel plate. In order to prevent the projectile from splashing out of the cleaning room during shot blasting, multiple reinforcing seals are arranged at the entrance and exit of the workpiece. The characteristics are strong elasticity, long service life and sealing effect. All good.

10. Dust removal system

Bag filter

The dust collector is mainly composed of a bag filter and a fan and a dust removal pipe. The dust removal efficiency can reach 99.5%.

11. Electrical control

The electric control system adopts the conventional control to realize the control of the whole machine. It adopts the high-quality electrical components produced at home and abroad, which has the advantages of high reliability and convenient maintenance. The main circuit is short circuited and lacked phase of each motor by miniature circuit breaker and thermal relay. , overload protection. There are also several emergency stop switches to facilitate emergency shutdown and prevent accidents from expanding.

Safety protection switches are provided on each access door of the cleaning room and the cleaning room. When any one of the access doors is opened, the blasting machine cannot be started.

Summary

Through-type shot blasting machine is mainly used in metal structure, machine bed, steel (cast iron) products, grid, engineering machinery and bridge manufacturing industry. With the increasing punishment of environmental pollution in the country, pickling cleaning has gradually been The market is eliminated, and more and more uses are obtained through the type of shot blasting.

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