CN207372981U - A kind of two station type stepping shot blasting machines - Google Patents

Abstract

The utility model discloses two station type stepping shot blasting machines, it is characterised in that：The two stations type stepping shot blasting machine includes cucurbit transport system, cleaning chamber, impeller head, elevator, separator, auger conveyor, bottom hopper, dust pelletizing system, pneumatic gate, electric-control system；Auger conveyor is connected with rotating device, and rotating device is connected with cleaning chamber, and impeller head is arranged in cleaning chamber, and elevator is connected with separator, and dust pelletizing system is connected with bottom hopper.Two stations type stepping shot blasting machine disclosed in the utility model, impeller blasting effect is good, convenient to install and maintain, and the degree of automation is strong, and noise is small.

Description

A two-station stepping shot blasting machine

technical field

The utility model relates to the technical field of shot blasting derusting, in particular to a two-station stepping type shot blasting cleaning machine.

Background technique

The shot blasting machine uses the steel shot to be sent to the high-speed rotating disc, and uses the centrifugal force to make the high-speed shot hit the surface of the part to achieve the purpose of polishing. The shot blasting machine can generate compressive stress on the surface of the part. Moreover, there is no silicon powder, which has little environmental pollution. The blades in the shot blasting head of the shot blasting machine in the prior art are in direct contact with the abrasive, which is easy to be damaged. The wear resistance of the blade directly determines the life of the blade and the operating cost of the shot blasting machine. Therefore, the blades of the blast head must be made of high wear-resistant materials. The existing shot blasting machine has high material requirements, high cost, insufficient shot blasting effect and high noise.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, solve the problems in the prior art, and provide a two-station step-by-step shot blasting cleaning machine, which has good shot blasting cleaning effect, convenient installation and maintenance, and strong automation , low noise.

The technical scheme of the utility model is:

A two-station step-by-step shot blasting machine, characterized in that: the two-station step-by-step shot blaster includes a gourd conveying system, a cleaning chamber, a shot blaster, a hoist, a separator, and a screw conveyor , bottom hopper, dust removal system, pneumatic gate, electric control system; the screw conveyor is connected with the rotation device, the rotation device is connected with the cleaning room, the shot blaster is set in the cleaning room, the hoist is connected with the separator, the dust removal system is connected with the bottom The hopper is connected.

Preferably, 8 shot blasters are set in the cleaning room, and a cyclone body is connected next to the dust removal system.

Preferably, the hoist conveying system includes an electric hoist, a hoist support frame, a running track and a hook; the part of the hook that is thrown is equipped with a wear-resistant sheath; the workpiece is hung under the hoist through the hook, the hook advances, and The gourd system extends from both sides of the pill chamber and has a loading and unloading platform, which is convenient for manual operation and transportation.

Preferably, the cleaning room is welded with high-quality steel plates, and the cleaning room is equipped with laminated guard plates, and the inner layer is welded together with the outer shell of the room body; the outer layer adopts a building block structure and is fixed with a special high-chromium quenched large nut.

Preferably, the blasting machine is assembled by a shield, an introduction pipe, a pressure ring, an impeller, a blade, an orientation sleeve, a shot wheel, a combination disc, a sealing disc, an end plate, a side plate, a top plate, an electric motor and fasteners. The blades of the shot blasting machine are inserted from the center of the impeller, and the blades are fixed by centrifugal force during the rotation of the impeller, so no clamping tools are required.

Preferably, the screw conveyor is composed of a mandrel, a screw blade, an end shaft, an end plate, a bearing with seat, a dustproof device, a cycloidal pinwheel reducer and various fasteners; the shaft body of the screw conveyor is made of high-quality carbon Steel seamless steel pipe and quenched and tempered shaft head are welded, and the shape and installation dimensions are processed after welding; the mandrel is made of cold-drawn steel pipe and 45# steel shaft and then finished after welding; the transmission part of the screw conveyor is a sprocket and a chain The transmission and drive are selected as coaxial drive; the end shaft of the screw conveyor runs in dust-proof self-lubricating rolling bearings and is driven by a cycloidal pinwheel reducer.

Preferably, the hoist is composed of a cycloidal pinwheel reducer, an upper and lower hub, a conveyor belt, a hopper, a closed cover, an anti-reversal mechanism, a tensioning device and fasteners, etc.; the hoist cover adopts a steel plate bending forming welding structure ;The cover of the lower hoist is equipped with an inspection door, which can be used for maintenance and replacement of the hopper; open the bottom door cover of the lower cover, and the lower transmission can be repaired to eliminate faults; the machine is driven by a flat belt; The hopper scrapes up the pellets at the bottom of the elevator, driven by the power of the elevator, the pellets are sent to the top of the elevator, and then the pellets are dropped by centrifugal gravity, and the pellets are input into the pellet-sand separator; the hub roller is made into Squirrel cage type; at the same time, the hoist is equipped with a set of tensioning device. When the belt is loose, the transmission belt can be tensioned by adjusting the adjustment bolts on both sides of the upper part of the hoist.

Preferably, the dust removal system is mainly composed of a dust removal pipeline, a filter cartridge dust collector, a fan, a pulse mechanism, and an air duct; The particles are separated after settling, and the unsettled suspended dust is sucked into the dust removal chamber. After being filtered by the filter cartridge, the granular dust is adsorbed on the filter cartridge. in the dust box.

Preferably, a ball circulation purification system is also provided next to the shot blasting device. The ball circulation purification system is mainly composed of two parts: the ball circulation system and the ball separation purification system; the ball circulation system is composed of a lower screw conveyor, a bucket It is composed of type hoist, upper screw conveyor, separator, and shot controller; the shot sorting and purification system is composed of separator, sand storage box, suction pipe, etc.; the shot blaster throws scattered projectiles through the screw conveyor Sent to the bucket elevator, the bucket elevator lifts the pellets and sundries to the upper part of the cleaning room, and is transported to the high-efficiency separator by the upper horizontal screw conveyor. The shot material is separated, and the good shot material enters the storage hopper for storage, to be used by the shot blasting machine.

Advantage of the utility model:

The two-station step-by-step shot blasting cleaning machine disclosed by the utility model has good shot blasting cleaning effect, convenient installation and maintenance, strong automation and low noise.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is a schematic diagram of one surface of the two-station step-by-step shot blasting machine described in the present invention.

Fig. 2 is a schematic view of the other side of the two-station step-by-step shot blasting machine of the present invention.

Among them: 1. Hoist conveying system 2. Cleaning room 3. Shot blasting device 4. Elevator 5. Separator 6. Rotation device 7. Bottom hopper 8. Dust removal system 9. Cyclone body 10. Pneumatic gate 11. Screw conveyor

Detailed ways

The technical scheme of the utility model will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

As shown in Figure 1, the utility model discloses a two-station step-by-step shot blasting machine, the two-station step-by-step shot blaster includes a gourd conveying system 1, a cleaning chamber 2, a shot blaster 3, Elevator 4, separator 5, screw conveyor 11, bottom hopper 7, dust removal system 8, pneumatic gate 10, electric control system; screw conveyor 11 is connected with rotation device 6, and rotation device 6 is connected with cleaning room 2, The shot blaster 3 is set in the cleaning chamber 2, the elevator 4 is connected with the separator 5, and the dust removal system 8 is connected with the bottom hopper 7. During the cleaning process, the speed-adjustable gourd conveying system 1 controlled by the electronic control system sends the workpiece into the ejection area in the cleaning chamber 2. The workpiece rotates while walking, and all sides of its body are subjected to strong intensive force from four different coordinates. The impact and friction of the projectile make the scale and dirt on the workpiece fall off quickly, and the surface of the workpiece obtains a smooth surface with a certain roughness. The two-station step-by-step shot blasting cleaning machine described in the utility model has good shot blasting cleaning effect, convenient installation and maintenance, strong automation and low noise.

Preferably, eight blasting devices 3 are arranged in the cleaning chamber 2, and a cyclone body 9 is connected next to the dust removal system. Can better remove dust to clean the workpiece.

Preferably, the hoist conveying system 1 includes an electric hoist, a hoist support frame, a running track and a hook; the part of the hook that is thrown is equipped with a wear-resistant sheath; the workpiece is hung under the hoist through the hook, and the hook advances. The gourd system extends from both sides of the shot blasting chamber and has a loading and unloading platform, which is convenient for manual operation and transportation.

Preferably, the cleaning chamber 2 is welded with high-quality steel plates. The cleaning chamber 2 is equipped with a laminated guard plate, and the inner layer is welded together with the outer shell of the chamber body; the outer layer adopts a building block structure and is fixed with a special high-chromium quenched large nut. Durable and easy to maintain.

Preferably, the shot blaster 3 is assembled by a shield, an introduction pipe, a pressure ring, an impeller, a vane, an orientation sleeve, a shot wheel, a combination disc, a sealing disc, an end plate, a side plate, a top plate, an electric motor and fasteners The blade of the shot blasting machine 3 is inserted from the center of the impeller, and the blade is fixed by centrifugal force during the rotation of the impeller, so no clamping tool is required. When disassembling the blade, you only need to lightly tap the outer end of the blade to easily remove the blade from the center of the impeller. It only takes 5 to 10 minutes to disassemble the blade and the wear of the shot wheel and the orientation sleeve can be checked at the same time;

Beautiful appearance, exquisite structure, convenient manufacture and maintenance, low noise.

Preferably, the screw conveyor is composed of a mandrel, a screw blade, an end shaft, an end plate, a bearing with a seat, a dust-proof device, a cycloid reducer and various fasteners; the 11-axis body of the screw conveyor is made of high-quality carbon The plain steel seamless steel pipe is welded with the quenched and tempered shaft head, and the shape and installation dimensions are processed after welding; the coaxiality is guaranteed, and the "big swing" phenomenon caused by eccentricity is avoided. The mandrel is made of cold-drawn steel pipe and 45# steel shaft, which is welded and then finished; the overall coaxiality is fully guaranteed. The transmission part of the screw conveyor is a sprocket and chain drive, and the drive selection is coaxial drive; to ensure the stability of the transmission, the end shaft part of the screw conveyor runs in a dust-proof self-lubricating rolling bearing, driven by a cycloidal pinwheel reducer .

Preferably, the hoist 4 is composed of a cycloidal pinwheel reducer, upper and lower hubs, a conveyor belt, a hopper, a closed casing, an anti-reverse mechanism, a tensioning device, and fasteners; the hoist 4 casing is formed by bending a steel plate Welded structure; the 4 cover of the lower hoist is equipped with an inspection door, which can be used for maintenance and replacement of the hopper; open the bottom door of the lower cover, and the lower transmission can be repaired to eliminate faults; the machine is driven by flat belt; when working, it is fixed on the conveyor The hopper on the belt scrapes up the shot material at the bottom of the elevator 4, driven by the power of the elevator 4, the shot material is sent to the top of the elevator 4, and then the material is dropped by centrifugal gravity, and the shot material is input into the shot sand separator 5. In order to ensure that the conveyor belt does not slip during work, the hub roller is made into a squirrel cage type; this not only improves the friction between the transmission belt and the hub, avoids the slipping phenomenon of the old-fashioned pulley, but also reduces the pre-tightening force of the transmission belt , prolong the service life of the lifting tape. Simultaneously hoist 4 is provided with a set of tensioning device, when belt is slack, by adjusting the adjusting bolt of hoist 4 top both sides, transmission belt is tensioned.

Separator 5

The advanced curtain-type rolling screen shot-sand separator 5 is produced by our company introducing Swiss GF+DISA technology.

How Separator 5 works

The mixture of pellets and sand is lifted by the bucket elevator 4 to the separation area of the separator 5, and the mixture of pellets, sand and dust is evenly distributed along the separator 5 to form a flow curtain, so that the pellets and sand can be fully separated. During the descending process, the pellet-sand mixture is pushed by the horizontal airflow to the particles, thus forming a deflected curved trajectory. Due to the difference in the specific gravity and particle size of the particles, the degree of deflection is not the same, so that the pellets and slag can be separated. Dust is sucked into the dust collector for purification treatment, broken pills, sand, scale, etc. enter the waste storage hopper, and qualified projectiles and some small pieces of sundries are screened again and enter the pellet storage hopper for recycling. Its characteristics are:

(1) By adjusting the position of the locking limit door, the shot flow with uniform thickness and flow rate can be realized;

(2) The height of the wind separation separation area is determined according to the design wind speed, which provides space for the effective separation of pellets and sundries;

(3) The winnowing control board is set in the first separation zone;

(4) Two adjustable separation plates can efficiently separate particulate matter and critical size shot;

(5) The screen can be replaced to achieve large debris retention;

(6) The broken projectiles are completely isolated and only good reusable shot materials flow into the shot storage hopper.

Preferably, the dust removal system 8 is mainly composed of a dust removal pipeline, a filter cartridge dust collector, a fan, a pulse mechanism, and an air duct; The larger particles are separated after settling, and the unsettled suspended dust is sucked into the dust removal chamber. After being filtered by the filter cartridge, the granular dust is adsorbed on the filter cartridge, and the dust adsorbed on the filter cartridge is blown by the air pressure of the pulse valve. Drop into dust bin.

Preferably, a shot blasting device 3 is also provided with a shot recycling purification system, which is mainly composed of a shot recycling system and a shot sorting purification system; the shot recycling system consists of a lower screw conveyor, Bucket elevator 4, upper screw conveyor 11, separator 5, shot material controller; shot material sorting and purification system is composed of separator 5, sand storage box, suction pipe, etc.; shot blaster 3 throws scattered The shot is sent to the bucket elevator 4 through the screw conveyor, and the bucket elevator 4 lifts the shot and sundries to the upper part of the cleaning chamber 2, and is transported to the high-efficiency separator by the upper horizontal screw conveyor 11, and is air-selected by the high-efficiency separator. After the treatment, the dust and sundries are separated from the good shot material, and the good shot material enters the storage hopper for storage, to be used by the shot blaster 3 .

A shot blasting cleaning method for a shot blasting machine, which uses the aforementioned two-station step-by-step shot blasting machine, and the cleaning method includes the following steps: the workpiece shot blasting is transported by a gourd into the shot blasting chamber 2, and then Start the dust collector, close the gate, separator 5, hoist 4, screw conveyor 11, self-propagation system and shot blaster 3, etc., the pneumatic shot valve valves are opened in sequence, the shot enters the shot blaster 3, and the shot runs continuously The surface of the workpiece in the machine is cleaned by shot blasting. After all the workpieces are cleaned, each operating system is closed in turn and the shot blasting is stopped.

The two-station stepping shot blasting derusting machine disclosed by the utility model hangs the workpiece on the hook, and the suspension conveying system transports the workpiece forward. The suspension system is provided with a limit switch. When the workpiece enters the cleaning room 2 and reaches When the limit switch is on, the shot blasting device 3 starts to work sequentially, and the working time is 6-10 minutes. After the shot blasting treatment, the scale, dirt and other attachments on the steel surface are cleaned up, and the treated surface can reach Sa2 -Level 2.5. The shot blasting machine works in a continuous cycle.

The pellets thrown by the shot blasting device 3 are collected and processed by the circulation processing system, and continue to be used by the shot blasting device 3 . The working mode of the circulation system is: the scattered projectiles are conveyed to the bucket elevator 4 through the lower screw conveyor, and the bucket elevator 4 lifts the pellets and sundries to the upper part of the cleaning chamber 2, and is conveyed to the high-efficiency BE by the upper screw conveyor 11. Separator 5, after being processed by BE separator 5, the dust and sundries are separated from the good shot material, and the good shot material enters the storage hopper for storage, to be used by the shot blaster 3.

In order to deal with a large amount of dust generated during shot blasting, the machine needs to be equipped with a high-efficiency dust collector, and the air purified by it is much lower than the smoke emission standard of the same industry.

The utility model still has multiple implementation modes, and all technical solutions formed by equivalent transformation or equivalent transformation all fall within the protection scope of the utility model.

Claims (9)

1. A two-station step-by-step shot blasting machine, characterized in that: the two-station step-by-step shot blaster includes a gourd conveying system, a cleaning chamber, a shot blaster, a hoist, a separator, a spiral Conveyor, bottom hopper, dust removal system, pneumatic gate, electric control system; the screw conveyor is connected with the rotation device, the rotation device is connected with the cleaning room, the shot blaster is set in the cleaning room, the hoist is connected with the separator, and the dust removal system Connected to the bottom hopper. 2. The two-station step-by-step shot blasting cleaning machine according to claim 1, characterized in that: 8 blasting machines are set in the cleaning room, and a cyclone body is connected next to the dust removal system. 3. The two-station step-by-step shot blasting machine according to claim 1, characterized in that: the hoist conveying system includes an electric hoist, a hoist support frame, a running track and a hook; There is a wear-resistant sheath; the workpiece is hung under the hoist through the hook, and the hook advances, and the hoist system extends from both sides of the shot blasting chamber. The system has a loading and unloading platform, which is convenient for manual operation and transportation. 4. The two-station step-by-step shot blasting cleaning machine according to claim 1, characterized in that: the cleaning chamber is welded with high-quality steel plates, the cleaning chamber is equipped with laminated guard plates, and the inner layer and the outer shell of the chamber body are welded together. One body; the outer layer adopts a building block structure and is fixed with a special high-chromium quenched large nut. 5. The two-station step-by-step shot blasting machine according to claim 1, characterized in that: the shot blaster consists of a shield, an introduction pipe, a pressure ring, an impeller, a blade, an orientation sleeve, a shot wheel, It is assembled by combining discs, sealing discs, end plates, side plates, top plates, motors and fasteners; the blades of the blasting machine are inserted from the center of the impeller, and the blades are fixed by centrifugal force during the rotation of the impeller, so there is no No clamping tools are required. 6. The two-station step-by-step shot blasting machine according to claim 1, characterized in that: the screw conveyor consists of a mandrel, a spiral blade, an end shaft, an end plate, a bearing with a seat, a dust-proof device, a cycloid It consists of a pin wheel reducer and various fasteners; the shaft body of the screw conveyor is welded by high-quality carbon steel seamless steel pipe and quenched and tempered shaft head, and the shape and installation dimensions are processed after welding; the mandrel is made of cold-drawn steel pipe and 45 #The steel shaft is finished after welding; the transmission part of the screw conveyor is sprocket and chain drive, and the driving type is coaxial drive; the end shaft part of the screw conveyor runs in a dust-proof self-lubricating rolling bearing, driven by a cycloid Driven by a pinwheel reducer. 7. The two-station step-by-step shot blasting machine according to claim 1, characterized in that: the hoist consists of a cycloidal pinwheel reducer, an upper and lower hub, a conveyor belt, a hopper, a closed casing, an anti-reverse mechanism and It is composed of tensioning device and fasteners; the hoist cover is welded by steel plate bending; the lower section of the hoist cover is equipped with an inspection door, which can maintain and replace the hopper; open the bottom door cover of the lower cover to maintain the lower part Transmission, troubleshooting; this machine adopts flat belt transmission; when working, the hopper fixed on the conveyor belt will scrape the shot material at the bottom of the elevator, driven by the power of the elevator, the shot material will be sent to the top of the elevator, and then Blanking is done by centrifugal gravity, and the pellets are input into the pellet-sand separator; the hub roller is made into a squirrel-cage type; at the same time, the hoist is equipped with a set of tensioning devices. When the belt is loose, the adjustment bolts on both sides of the upper part of the hoist , to tension the drive belt. 8. The two-station step-by-step shot blasting cleaning machine according to claim 1, characterized in that: the dust removal system is mainly composed of a dust removal pipeline, a filter cartridge dust collector, a fan, a pulse mechanism, an air duct, etc.; The generated dust is sucked into the dust collector by the centrifugal fan through the ventilation duct. First, the larger particles are settled by the settler and then separated. The unsettled suspended dust is sucked into the dust removal room. The dust adsorbed on the filter cartridge falls into the dust box after being blown by the air pressure of the pulse valve. 9. The two-station step-by-step shot blasting machine according to claim 1, characterized in that: a shot blasting device is also provided with a shot blasting recycling system, and the shot recycling purification system is mainly composed of a shot recycling system and a shot blasting machine. The shot sorting and purification system consists of two parts; the shot recycling system consists of a lower screw conveyor, a bucket elevator, an upper screw conveyor, a separator, and a shot controller; the shot sorting and purification system consists of a separator, storage It is composed of sand box, suction pipe, etc.; the shot blasting machine throws scattered projectiles and sends them to the bucket elevator through the screw conveyor, and the bucket elevator lifts the shot and sundries to the upper part of the cleaning room, and is transported by the upper horizontal screw conveyor For the high-efficiency separator, the dust and sundries will be separated from the good shot material after being air-selected by the high-efficiency separator, and the good shot material will be stored in the storage hopper to be used by the shot blaster.