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Since the dust removal efficiency of submicron dust required by the major manufacturing industries, such as electronics, precision instrument processing, and other major manufacturing industries, reaches more than 99.7%. Since then, Baixiang spraying equipment and equipment have realized the harm of dust emission to the environment and human body, and now it mainly introduces wet water sand blasting without dust pollution to meet the requirements of environmental protection production.

The wet automatic sand blasting machine is driven by the grinding fluid pump and compressed air. After the sand and water are fully mixed in the grinding bucket, the sand pump will pump the sand into the sand separator, and the sand water will be distributed to each sandblasting head through the sandblasting pipe. The sand water in the nozzle will be accelerated by the compressed air, and then the sand water will be sandblasted for the workpiece, and then the sand water will be collected by the sandblasting cabin and flow into the grinding machine The liquid hopper is recycled by mixing system.

This kind of sand blasting machine uses a large diameter negative pressure siphon sandblasting head, which can clean the rough surface, oxide scale, residual salt and burr of forging and casting blank, welding parts, heat treatment parts, stamping parts and machining parts. It is suitable for all kinds of polyhedral special-shaped workpieces of various materials to eliminate the dirt, scratches and other impurities on the surface, and make the surface reach the matte state. It can strengthen the surface of metal workpiece by liquid shot peening, reduce or even eliminate the internal stress of metal workpiece, and prolong the service life. It can also be used for surface derusting, descaling, surface brightness of other forging castings, welding parts, heat treatment parts, stamping processing parts and electronic parts, obtaining uniform sandblasting surface and increasing surface adhesion, or for pretreatment before spraying, electroplating and painting.

It is widely used for processing before spraying and electroplating. It can be used for sandblasting processing with high precision, high luminosity and complicated parts, which is difficult to be finished by other methods. It is suitable for glass perfume bottles, blades, cutters, lampshades, rice cookers and other polyhedron. It is suitable for the renovation of old machine parts and the beautification of Arts and crafts.

Suitable sand material:

Brown corundum, white corundum, black corundum, glass beads, alumina sand (corundum sand), silicon carbide (green silicon carbide, black silicon carbide), glass beads, walnut sand, resin sand, plastic particles (nylon sand), ceramic beads and various micro powders are suitable for the use of this machine.

Automatic sand blasting machine with wet rotary table

Sandblasting machining mode:

This machine is controlled by Siemens PLC and controlled by touch screen man-machine interface. According to different size and shape of workpiece and process requirements, sandblasting processing program is compiled, which is convenient to operate and has low failure rate.

The workpiece is placed on the fixture of the small turntable. The large turntable brings the workpiece into the sandblasting chamber. The machine starts sandblasting automatically. The workpiece passes through sandblasting continuously according to the program setting. The nozzle swings back and forth to carry out automatic sandblasting on the surface of the workpiece. After the surface of the workpiece is impacted by high-speed sand particles, the surface is cleaned quickly and the sand feeling is full and uniform. The processed workpieces are rotated to the initial cleaning chamber for cleaning through the large turntable, and the cleaned sand material is recycled to the grinding bucket for recycling. The workpiece after initial cleaning is rotated to the loading and unloading area with the large rotary table, and the workpiece is removed manually.

Main parameters of the machine:

1. Host housing:

It is welded with 3-6 mm thick steel plate and painted on the surface. A shield and rubber skin are set at the feeding and discharging ends to prevent dust from escaping. A filter screen is set at the lower part of the engine room to prevent large debris and workpieces from falling into the sand. A blowing air head is arranged in the suction chamber to blow away the sand dust remaining on the workpiece. The sandblasting machine is equipped with an observation window, which can observe the whole processing process and deal with emergencies at any time.

Size of sandblasting area: 1650 mm (length) × 1850 mm (width) × 850 mm (height).

Overall dimension: 1750 mm (length) × 1950 mm (width) × 2200mm (height).

2. Workpiece conveying device:

Rubber skin is attached on the rotating turntable of the machine. The motor is a three-phase gear reducer with motor power of 0.37kw. The motor is controlled by frequency converter, and the rotation speed of the small turntable can be adjusted according to the requirements of sandblasting process.

3. Sprinkler swing device:

The eccentric wheel linkage mechanism is used to swing the nozzle. The moving distance and position of the nozzle can be adjusted according to the sandblasting effect, and the moving speed of the nozzle can be adjusted. The mobile motor adopts Taiwan Chengbang brand three-phase gear reducer motor with power of 0.75KW. Two groups of swing rods are arranged on the main engine, with 12 sandblasting heads in total. It can be adjusted according to the product requirements.

4. Nozzle group:

This machine is equipped with 12 nozzles. Nozzle material is aluminum alloy, model: xz-b. The nozzle material is wear-resistant boron carbide. Nozzle diameter: Ф 8mm. The distance, angle and position of the nozzle can be adjusted according to the user's product needs. It can be set to swing or not to swing. Each nozzle can be started independently, and the number of nozzles required can be started according to the processing requirements.

5. Electrical system:

1) The electrical system is composed of filter, pressure gauge, pressure regulating valve, solenoid valve, travel switch, motor, corresponding pipeline and control elements.

2) The power supply is set as three-phase five wire system with six square meters (380V, 50Hz), and 63A leakage protection switch is set at the same time. The user must connect the power supply to the equipment control cabinet within 3 m with good grounding.

6. Air compression system: (provided by customer)

The sandblasting pressure can be adjusted according to the process requirements. The pressure ranges from 1 to 7 bar. The nozzle is controlled by the pressure regulating valve and equipped with a pressure gauge. The air compressor is required to meet the air pressure of not less than 7 bar. The 12 nozzles need to be equipped with 4 m3 / min dry compressed air (provided by the user) and a 1m3 air storage tank (provided by the user).

The user must connect the compressed air source with steel pipe to the air source interface of the equipment, and be equipped with a pressure reducing valve to ensure that the pressure of the air source used by the equipment is not greater than 7bar.

8. Energy allocation and consumption:

1) 1 wear-resistant sand pump: flow: 30m3 / h, head: 10M, power: 7.5kW, speed: 2900r / min, efficiency: 87%

2) Mist extraction fan: power 0.55kw.

3) 1 mobile motor for nozzle: power 0.75kw

4) 1 rotating motor: power 0.37kw.

5) Lighting and control circuit: the power is about 0.5KW.

6) Total power of the machine: About 7KW except air compressor.

The wear-resistant sand pump adopts vertical sand pump, which is mainly composed of filter screen, pump body, impeller, guard plate, intermediate section, bearing body and motor base. The pump body, impeller and guard plate are all made of wear-resistant materials. Wear resistant mechanical seal is used to prevent mud from entering bearing body; impeller is of semi open structure; self aligning ball bearing is used at pump end of bearing body, back-to-back angular contact ball bearing is used at driving end, angular contact ball bearing bears axial load and radial load, and self-aligning ball bearing bears radial load. The installation plate supports the pump through the bearing body and installs the fixed pump. The motor base connects the pump and the motor into a whole, and adopts direct transmission; the split mounting plate can be conveniently mounted on the steel frame foundation or concrete foundation; the suction port of the pump body is equipped with a filter screen, which can prevent sand from entering the pump.

Features of liquid sand blasting machine:

1. Superfine abrasive can be used for surface treatment of precision workpiece.

2. The sandblasting liquid is recycled, the sand consumption is low, the nozzle wear is small, and the fabrication cost is low.

3. Good sealing, no dust pollution.

4. Simple operation, low failure rate, airtight room and low noise.

5. Automatic window cleaning, good visibility.

6. Stainless steel or FRP body, durable.

7. If necessary, inhibitor can be added to the sandblasting fluid to prevent iron workpiece from rusting.

8. Equipped with dust-proof and waterproof sunshine lamp.

9. Equipped with clean water cleaning head, which can clean the workpiece to reduce the abrasive being taken out of the sandblasting chamber by the workpiece.

after-sale service:

(1) Equipment quality assurance: the free warranty service period is one year. The supplier shall provide maintenance service for problems other than wearing parts. After the expiration of the warranty period, we will provide lifelong and timely maintenance service, and only charge the material cost.

(2) After sales service guarantee: after receiving the after-sales service repair call, the after-sales service technicians will respond within 30 minutes. If the on-site repair is really needed, the problem will be solved within 24 hours (within 48 hours outside the province), and the equipment failure will not be removed and the maintenance site will not be removed.

(3) The supplier has an independent after-sales service department. If the supplier's after-sales service is not good, please call the complaint hotline.

(4) Establish a complete equipment buyer's file for the demander free of charge, and make an irregular return visit once a year to understand the use status of the demander.