KR101928700B1 - Shot Blast System with Continuance Belt Conveyor Type - Google Patents

Abstract

The present invention relates to a continuous belt conveyor type shot blast system to remove oxidized scale from a surface, generated after heat treating a wheel shaft of a tracked vehicle, which comprises: a blast cabinet (10); an impeller unit (20); a horizontal transfer device (30); a vertical transfer device (40); a shot ball separation device (50); a shot ball storage tank (60); a shot ball supply device (70); a dust collection device (90); a processing target object transfer device (100); a processing target object rotating device (110); and a control board (200).

Description

Shot Blast System with Continuous Belt Conveyor Type [

The present invention relates to a shot blaster, and more particularly, to a continuous belt conveyor type shot blast system for removing an oxidation scale of a surface generated after heat treatment of a wheel axis of a track vehicle.

Generally, the blasting method is a mechanical cleaning method in which particles are sprayed as a pretreatment to the base to remove adhesion stains such as rust and oil. Sand blasting is the projecting of mineral particles such as silica sand or abrasive, Shot blasting projecting iron wire or cut wire, and Grit blasting projecting iron pieces with sharp angles. . On the other hand, spraying a liquid suspended in fine particles of minerals is called liquid honing.

Furthermore, Shot Blast is a method of finishing the surface by finely removing the scale, rust, paint film and the like by spraying hard particles such as granules without sharp hairs onto the metal surface by compressed air or other methods. In particular, the Shot Hanger Blast is a device for spraying and processing hard particles, such as shot, on a hanging product.

Conventionally, a short hanger blast requires a large amount of work force for removing a scale by spraying a plurality of objects to be processed by blowing hard particles, takes a long time to work, can not uniformly work the surface of the object, There was a problem.

As a prior art related to the present invention, Patent Document 1 is provided with an impeller unit 130 for injecting a shot on an upper portion of a processing chamber 120 provided in a frame 110, and a shot feed hopper 140 for feeding a shot, A shot recovery conveyor 170 is provided between the shot recovery tank 160 and the short supply hopper 140 and the impeller unit 130 is provided between the short recovery tank 160 and the short supply hopper 140. [ And a short supply hopper 140 reciprocally movable in the left and right direction in order to reciprocate the impeller unit 130 and the short supply hopper 140 in the lateral direction A driving roller 320 and a plurality of guide rollers 330 connected to the normal and reverse driving motor 310 are installed on the upper part of the processing chamber 120 in a rectangular shape and the driving roller 320 and the guide rollers 330 A circulation conveyance belt 340 is installed, There is disclosed a shot blaster apparatus for surface machining of a rolling roller in which a short supply hopper 140 is fixed to a belt 340.

Korean Registered Patent No. 10-1085972 (issued on November 22, 2011)

In order to solve the above problem, in order to solve the above-mentioned problem, an object to be processed is sequentially supplied by a continuous belt conveyor, a shot ball is projected while the object to be processed is rotated in a roller frame, The purpose is to.

Another object of the present invention is to provide a shot ball which is regenerated and dried by washing and drying the projected shot ball and generated dust.

It is another object of the present invention to absorb dust generated in the process of separating the shot ball and the dust generated in the projection process of the shot ball and dust generated in the drying process after washing into the duct to collect dust.

In order to achieve the above-described object, the present invention provides a washing machine comprising a rotating device for rotating an object to be processed therein, an open check window on a front surface thereof, an inlet door and an outlet door slidable on the left and right sides respectively, A blast cabinet connected to the duct of the dust collecting blower on the side, an impeller unit fixed to the inner upper portion and projecting a shot ball, and a lower portion formed in a hopper shape and equipped with a first screw conveyor; An impeller unit installed on an inner upper portion of the blast cabinet for projecting the supplied shot ball by centrifugal force of a plurality of axially coupled blades; A horizontal conveying device installed in the blast cabinet and provided with a first screw conveyor horizontally conveying dust including droplets and fine particles, A vertical conveying device installed at one end of the horizontal conveying device and having a conveyed short ball and a bucket elevator for vertically conveying dust using a plurality of buckets and belts; A short ball separating device installed on one side of the vertical conveying device for separating dust mixed with the conveyed short ball by suction of a plurality of screens and a dust blower; A short ball storage tank for storing a short ball separated by the short ball separator; A short ball supply device for supplying a short ball stored in the short ball storage tank to the impeller unit through a feeder and a gate; A plurality of filters for filtering the dust collected by the suction of the dust blower are provided and a blower for discharging the air passing through each filter is provided and the dust collected at one side of the filter is sequentially opened and closed to be discharged to the discharge hopper A dust collecting device; A workpiece transfer device installed at an angle to the blast cabinet so as to penetrate through the blast cabinet and adapted to transfer a charged object to be processed; A roller frame is provided on the inside of the blast cabinet and a tilting device for tilting the roller frame is provided to receive the object to be processed, the object to be processed is rotated at a constant speed, and the object to be processed And controls the opening and closing of the air cylinder so that a predetermined amount of shot ball is supplied to the impeller unit for a predetermined time, and the impeller unit is controlled by the inverter control unit And a control panel in which a program and a program for changing the speed of the impeller unit and controlling the operation of each component are provided in the continuous belt conveyor type short blast system.

Further, in the present invention, the blast cabinet may be lined with a wear-resistant manganese (Mn) steel plate, and a plurality of guide plates may be installed at an angle so that the shot ball projected below the impeller unit is concentrated on the object to be processed.

Further, in the present invention, the object to be processed is divided into a first belt conveyor inclined up to the front of the rotating object in the blast cabinet and a second belt conveyor inclined rearward from the object rotating device installed in the blast cabinet And a stopper for sequentially supplying a plurality of waiting objects to the blast cabinet one by one for the ironing work can be installed on the first belt conveyor.

According to the present invention, there is provided a cleaning apparatus comprising: a cleaning chamber provided at a lower portion of the horizontal conveying apparatus and having a plurality of first through holes formed in a side surface and a bottom surface; a short ball and dust, A cleaning device including a second screw conveyor for horizontally conveying the fine particles and a water supply pipe for spraying water supplied from the water tank through the first nozzle in the inside of the cleaning chamber; A third screw conveyor axially coupled to the steam chamber and horizontally conveying the dropped shot conveyed from the cleaning device to the horizontal direction; And a steam supply pipe for spraying the superheated steam supplied from the overheated steam generator through the second nozzle to the lower portion of the steam chamber, wherein the cleaning device and the drying device are provided between the horizontal transfer device and the vertical transfer device Can be installed.

Also, in the present invention, a duct for sucking dust containing dust separated from the shot ball and dust particles into the vapor chamber may be connected to the dust collecting blower.

According to the present invention, since the object to be processed is sequentially supplied through the continuous belt conveyor to remove the scale of the surface, the surface of the object can be uniformly worked, manpower and work time can be reduced, There is an advantage that dust is sucked and filtered by a dust collecting device to prevent atmospheric environment pollution, electric power to be supplied to the shot blast system is reduced, and reliability of the system is improved.

1 is a block diagram showing the construction of a continuous belt conveyor type shot blast system according to an embodiment of the present invention.
2 is a front view of a continuous belt conveyor type shot blast system according to the present invention.
3 is a side view of a continuous belt conveyor type shot blast system according to the present invention.
4 is a plan view of a continuous belt conveyor type shot blast system according to the present invention.
FIG. 5 is an operation diagram showing the insertion, discharge, and rotation of a workpiece in a continuous belt conveyor type shot blast system according to the present invention.
6 is a block diagram showing another configuration of a continuous belt conveyor type short blast system according to the present invention.
7 is a cross-sectional view showing an apparatus for washing and drying a shot ball in a continuous belt conveyor type short blast system according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a continuous belt conveyor type short-blast system according to the present invention will be described in detail with reference to the accompanying drawings.

1 to 4, the main body of the blast cabinet 10 is made of a welded structure of a plate-shaped steel. The main body is provided with a rotating device (110) for rotating the object to be processed. An open inspection window (16) is installed on the front surface of the blast cabinet (10) so that the inside can be seen. An entrance door 12 and an exit door 14 are provided on the left side and the right side to respectively open and close under the control of the control panel 200 at the time of loading and unloading the object 1, To the outside. The inlet door 12 and the outlet door 14 are opened and closed by the action of an air cylinder, respectively.

An impeller unit 20 for projecting the shot ball 2 is fixed to the inner upper portion and a horizontal conveying device 30 having a hopper-shaped first screw conveyor 31 is installed at the lower portion. The inner wall of the blast cabinet 10 is lined with an abrasion resistant manganese (Mn) steel plate and a plurality of short balls 2 projected below the impeller unit 20 are inclined at an angle so as to be converged on the object 1. [ A guide plate 11 is provided. The guide plate 11 is detachably mounted. The blast cabinet 10 may be constructed so as to be disassembled and assembled.

The impeller unit 20 is installed in the upper part of the blast cabinet 10 to project the shot ball 2 supplied thereto through the projection tool 22 by the centrifugal force of the plurality of blades 21 axially coupled. The impeller unit 20 is the most important component in the shot blast system and must always be managed as a check. The impeller unit 20 has a projection amount of about 120 Kg / min, a speed changeable speed of about 2,000 to 3,000 RPM, and a blade of the impeller is fixed by a fixing spring pin, / SET can be applied.

The horizontal conveying device 30 is installed such that the first screw conveyor 31 passes through the hopper 17 in the lower side of the blast cabinet 10. The first screw conveyor 31 is connected to the short ball 2 projected from the impeller unit 20 through the projection hole 22 and the short ball 2 and dust The dust containing the fine particles is horizontally conveyed. The transport amount of the first screw conveyor 31 is approximately 10 TON / Hr, and the number of revolutions is approximately 58 RPM.

The vertical transfer device (40) is installed at one end of the horizontal transfer device (30). The vertical transfer device 40 is installed on the upper side of the shot ball 2 and the dust by a bucket elevator 41 composed of a plurality of buckets 43 and belts 42 To the short ball storage tank (60). The bucket elevator 41 is provided with a bucket 43 at a predetermined interval on the rotating belt 42 so that the shot ball 2 and the dust can be continuously recovered. The transport amount of the bucket elevator 41 is approximately 10 TON / Hr, the number of revolutions is approximately 73 RPM, and the number of buckets 43 is approximately 25, and one per 320 mm pitch.

The short ball separating device 50 separates the dust mixed with the transported short ball 2 by suction of the plurality of screens 51 and the dust blower 80 on one side of the vertical transfer device 40. Since the shot ball 2 vertically transported in the bucket elevator 41 is mixed or adhered to dust such as dust or fine powder, the shot ball separating device 50 can not obtain sufficient filtering efficiency unless it is removed. A multi-stage screen 51 is installed. The shot ball 2 separated at the multi-stage screen 51 is stored in the shot ball storage tank 60 and the dust is separated by the suction of the dust blower 80. The processing capacity of the short ball separating apparatus 50 may be approximately 10 TON / Hr.

The short ball storage tank 60 recovers the short ball 2 from which dust has been separated and temporarily stores it. The storage capacity of the short ball storage tank 60 is preferably approximately 500 kg.

The short ball supply device 70 supplies the shot ball 2 stored in the shot ball storage tank 60 to the impeller unit 20 through the feeder and the gate at the time of the ironing operation of the object 1 to be processed. The short ball supply device 70 supplies the shot ball 2 stored in the shot ball storage tank 60 by a predetermined amount for a predetermined time under the control of opening and closing of the air cylinder. The maximum capacity of the short ball supply device 70 may be approximately 300 Kg / min.

The dust collecting device (90) is provided with a plurality of filters (91) for filtering the dust collected by the suction of the dust collecting blower (80). The dust collecting blower 80 is connected to the blast cabinet 10 by a duct 81 in addition to the shot ball separating device 50 to suck and collect the dust generated in the blast cabinet 10. The dust collecting device 90 filters the dust sucked in the dust collecting blower 80 by each filter 91 and the air is discharged to the outside through the filter 91 and the blower 93 installed in the upper part. Further, the dust collected in the filter 91 of the dust collecting device 90 is collected in the discharge hopper 94 by the sequential opening and closing of the pulse valve 92. The dust collected in the discharge hopper 94 is discharged to the outside through the discharge unit.

The object to be processed 100 is installed at an angle to be inclined so as to penetrate through the blast cabinet 10. The object transporting apparatus 100 includes a first belt conveyor 101 installed at a predetermined inclination angle to the front of the object rotating apparatus 110 installed in the blast cabinet 10 and a second object transporting apparatus 100 installed in the blast cabinet 10 And a second belt conveyor 102 installed at a predetermined inclination backward from the first belt conveyor 110. The first belt conveyor 101 is provided with a stopper 103 for sequentially supplying a plurality of objects 1 waiting for the ironing work to the blast cabinet 10 one by one. The stopper 103 is operated by lifting and lowering the cylinder so that the object 1 is moved into the blast cabinet 10 along the inclined surface of the first belt conveyor 101. At this time, the object 1 rolls on the surface of the first belt conveyor 101 in a substantially cylindrical shape. The object 1 is moved into the blast cabinet 10 by rolling the surface of the first belt conveyor 101 while the entrance door 12 of the blast cabinet 10 is opened by the operation of the stopper 103. [ Furthermore, the second belt conveyor 102 is designed so that the end portion thereof is arranged in parallel with the leading end of the first belt conveyor 101 in an arc shape. This is because the front end portion of the first belt conveyor 101 and the end portion of the second belt conveyor 102 are positioned side by side so that the worker inserts the object 1 into the first belt conveyor 101, 1) are arranged in parallel to each other so that the convenience of the operation can be provided.

5, the object rotating apparatus 110 is provided with a roller frame 111 between the first belt conveyor 101 and the second belt conveyor 102 of the object conveying apparatus 100 in the lower part inside the blast cabinet 10, Respectively. The object rotating device 110 receives the object to be processed which is inputted to the tilting device 120 which tilts the roller frame 111 to the left and right and rotates the object 1 at a constant speed, To the second belt conveyor (102) of the object conveying device (100).

5A, the workpiece rotating apparatus 110 rotates the roller frame 111 by using the tilting apparatus 120 to discharge the object 1 on the roller frame 111 to the second belt conveyor 102 ) To the right to be discharged to the second belt conveyor (102). At this time, the outlet door 14 of the blast cabinet 10 should be opened.

5B, the object rotating apparatus 110 uses the tilting apparatus 120 to rotate the roller frame 111 to prepare to receive the object 1 transferred from the first belt conveyor 101 . At this time, the right roller frame 111 is moved upward from the pair of roller frames 111 by the tilting device 120. And the inlet door 12 of the blast cabinet 10 should be open.

5C, the object rotating apparatus 110 rotates the roller frame 111 to the center by using the tilting apparatus 120 so that the object 1 is horizontally positioned on the roller frame 111. [ Then, the object 1 is rotated in a predetermined direction. At this time, the inlet door (12) and the outlet door (14) of the blast cabinet (10) are closed. The shot ball 2 is projected from the plurality of rotating blades 21 of the impeller unit 20 through the projection tool 22 while the object 1 is being rotated on the roller frame 111, The surface is blasted. Then, the processes of FIGS. 5A to 5C are repeatedly performed.

Therefore, the object to be processed placed on the roller frame 111 is controlled in speed by the control panel 200 while being rotated by the operation of the drive motor connected directly thereto, so that the inlet door 12 and the outlet door 14 of the blast cabinet 10 And the blast cabinet 10 is lined with a wear-resistant special steel so as to be disassembled and assembled. Further, the object to be processed rotating device 110 is provided with an air cylinder and a solenoid valve, and has a tilting section of three points.

The control panel 200 supplies power necessary for operation of all the components and controls the opening and closing of the air cylinder so that a predetermined amount of the short ball 2 is supplied to the impeller unit 20 for a predetermined time, A circuit and a program for shifting the speed of the impeller unit 20 by inverter control and controlling the operation of each component are installed. The control panel 200 is provided with an electronic switch for overload protection, a micro-timer, an ammeter, a voltmeter, a buzzer, a push button, a time meter, Etc., and it is preferably composed of an interlocking and single acting electric control panel. Furthermore, the ammeter allows to know the projection amount of the impeller unit 20, and the working time can be adjusted by the timer. The internal circuit configuration and the program of the control panel 200 are applied to the programmable logic control (MASTER-K P. L. C) method.

The operation of the continuous belt conveyor type shot blast system of the present invention constructed as above will be described.

First, a plurality of objects 1 to be processed are arranged in a row on the first belt conveyor 101 of the object rotating device 110. At this time, the stopper 103 must protrude from the inclined first belt conveyor 101 so that the object 1 does not roll. Further, the object to be processed 1 is substantially cylindrical, and in the present invention, the operation of blasting the wheel axis of the heat-treated tracked vehicle is described by way of example, but the present invention is not limited thereto. Then, the control panel 200 is operated to operate the continuous blast conveyor type shot blast system.

The inlet door 12 of the blast cabinet 10 is opened by the operation of the first cylinder 13 under the control of the control panel 200. At this time, the roller frame 111 of the object rotating apparatus 110 should be turned right by the tilting apparatus 120 to be ready to receive the object 1. When the control panel 200 is operated to descend the stopper 103, the object 1 is moved along the inclined first belt conveyor 101 to the roller frame 111 through the inlet door 12 of the blast cabinet 10, Rolling up. The tilting apparatus 120 is operated under the control of the control panel 200 to cause the roller frame 111 to be in a horizontal state when the object 1 is placed on the roller frame 111. [ Therefore, the object to be processed 1 is placed on the roller frame 111 in a horizontal state. When the object to be processed 1 is inserted into the blast cabinet 10, the inlet door 12 is closed by the operation of the first cylinder 13.

Next, the roller frame 111 rotates in a predetermined direction and at a speed to rotate the object 1 to be processed. When the object 1 is rotated, the control panel 200 operates the impeller unit 20 to project the shot ball 2. The shot ball 2 projected from the impeller unit 20 is projected onto the surface of the object 1 to be rotated and brought into contact with the surface of the object 1 to be processed with a constant strength to peel off the oxide scale. The guide plate 11 provided in a multi-stage below the impeller unit 20 prevents the projected short ball 2 from scattering and concentrates on the object 1 to be processed.

The dust separated from the shot ball 2 and various dust and the surface of the object 1 is dropped into the lower hopper 17 in the blast cabinet 10 while the shot ball 2 is projected onto the object 1 . The side of the blast cabinet 10 is connected to the dust-collecting blower 80 by a duct so that dust or dust is primarily sucked. The shot ball 2 and the dust dropped on the lower hopper 17 of the blast cabinet 10 are conveyed horizontally along the first screw conveyor 31 of the horizontal conveying device 30. The bucket elevator 41 of the vertical conveying device 40 provided at the end of the first screw conveyor 31 contains the shot ball 2 and the dust in a plurality of buckets 43 fixed to the belt 42 at regular intervals, And is vertically transported. The shot ball 2 and the dust vertically conveyed to the plurality of buckets 43 of the bucket elevator 41 are introduced into the shot ball separating apparatus 50 and shot by the short shot 51 of the shot ball separating apparatus 50 The ball 2 and the dust are separated. The side of the short ball separating device 50 is connected to the dust collecting blower 80 by a duct so that dust or dust is secondarily sucked.

The shot ball 2 separated from the dust in the short ball separating device 50 is temporarily stored in the shotball storage tank 60. The short ball 2 stored in the short ball storage tank 60 is supplied to the impeller unit 20 through the feeder and open gate of the short ball supply device 70.

When the rotation of the roller frame 111 and the projecting operation of the shot ball 2 are completed in the blast cabinet 10, the impeller unit 20 is controlled by the control panel 200, And the object to be processed 1 on the roller frame 111 causes the object 1 to be discharged along the second belt conveyor 102 by turning right of the tilting apparatus 120. [ At this time, the outlet door 14 of the blast cabinet 10 should be opened by the operation of the second cylinder 15. The rotation of the roller frame 111, the projection of the shot ball 2 of the impeller unit 20, the rotation of the second belt conveyor 102, the rotation of the first belt conveyor 101, The ejection of the object to be processed 1, on which the smoothing operation has been completed, is repeatedly performed.

Meanwhile, the dust sucked in the blast cabinet 10 and the shot ball separator 50 in the dust collecting blower 80 is discharged to the dust collecting apparatus 90, and the dust collecting apparatus 90 filters the dust through the filter 91 The air externally and filtered is discharged through the blower 93 to the outside. The dust filtered by the filter 91 is dropped into the discharge hopper 94 by automatic sequential opening and closing of the pulse valve 92 and then discharged to the discharger 95.

6 and 7, a cleaning device 130 and a drying device 140 are installed between the horizontal transfer device 30 and the vertical transfer device 40 for cleaning and drying the shot ball.

That is, the cleaning device 130 is installed below the horizontal conveying device 30. The cleaning apparatus 130 is provided with a cleaning chamber 131 having a plurality of first through holes 136 formed through its side and bottom surfaces. The injection port is formed on one side of the upper part of the washing chamber 131 so that the shot ball 2 dropped by the horizontal transfer device 30 and the dust including the dust and the fine powder are inputted and the discharge port is formed on the lower side of the washing chamber 131 And the washed short ball 2 is discharged. In the cleaning chamber 131, the second screw conveyor 132 is axially coupled with the electric motor. The second screw conveyor 132 horizontally transports the shot ball 2, which has been transported and dropped from the first screw conveyor 31 of the horizontal transport device 30, and dust including dust and fine particles. A water supply pipe 134 is installed in the upper part of the inside of the cleaning chamber 131. The water supply pipe 134 discharges the water supplied from the water tank 133 to the second ball screw 2 through the first nozzle 135 and the second screw conveyor 132 which transfers dust including dust and fine particles Clean the shot ball (2) and separate the dust with it.

A drying device 140 is installed under the cleaning device 130. The drying apparatus 140 is provided with a steam chamber 141 having a plurality of second through holes 146 formed through its side and bottom surfaces. A discharge port is formed on one side of the upper end of the steam chamber 141 to discharge the shot ball 2 dropped by the cleaning device 130 and a discharge port is formed on a lower side of the lower end of the vapor chamber 141 to discharge the dried shot ball 2 do. Inside the steam chamber 141, a third screw conveyor 142 is axially coupled to the electric motor. The third screw conveyor 142 transports the dropped short ball 2 horizontally from the second screw conveyor 132 of the cleaning device 130. A steam supply pipe 144 is installed below the steam chamber 141. The steam supply pipe 144 injects the superheated steam generated from the superheated steam generator 143 to the third screw conveyor 142 that transports the shot ball 2 through the second nozzle 145 to discharge the short ball 2 And dried. The duct 81 is connected to the steam chamber 141 to receive dust, which is not separated from the shot ball 2, and dust containing the fine powder, through the dust-collecting blower 80.

A cleaning device 130 for cleaning the shot ball 2 discharged from the horizontal conveying device 30 and separating dust and dust containing fine particles is installed and a dust collecting device The drying apparatus 140 for drying the hot water 2 with the superheated steam is provided to discharge the short ball 2 recovered by washing through the regeneration of the shot ball 2 and the dust separation to the vertical transfer device 40 .

While the invention has been shown and described with respect to the specific embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. Anyone with it will know easily.

An object of the present invention is to provide an apparatus and a method for controlling an object to be inspected by using an object to be inspected, The present invention relates to a horizontal conveying apparatus and a vertical conveying apparatus which are capable of effectively controlling a conveying speed of a vertical conveying apparatus, A blower 94; a discharge hopper 95; an ejector 100; a workpiece conveying device 101; a first belt conveyer 102; a second belt conveyer 103; a stopper 110; The cleaning apparatus according to claim 1 or 2, wherein the cleaning device is a cleaning device. The cleaning device includes a cleaning device, a cleaning device, and a cleaning device. 141: Exchanger chamber 142: a third screw conveyor 143: superheated steam generator 144: steam supply pipe 145: second nozzle 146: second through hole 200: control panel

Claims (5)

A rotary device 110 for rotating the object 1 is installed in the interior of the door 1. An open check window 16 is installed on the front surface of the door 1. An entrance door 12 and an exit door The impeller unit 20 is fixed to the side surface of the dust collecting blower 80 and is connected to the duct 81 of the dust collecting blower 80. The lower part of the impeller unit 20 is a hopper- A blast cabinet 10 provided with a screw conveyor 31;
An impeller unit 20 installed on the upper side of the inside of the blast cabinet 10 to project a short ball 2 supplied thereto by the centrifugal force of a plurality of axially coupled blades;
A horizontal conveying device (not shown) provided with a shot ball 2 that is inserted through a hopper in the lower side of the blast cabinet 10 and dropped by the hopper and a first screw conveyor 31 that horizontally feeds dust including dust and fine particles 30);
A vertical conveying device 40 having a short ball 2 installed at one end of the horizontal conveying device 30 and a bucket elevator 41 vertically conveying dust using a plurality of buckets 43 and belts 42, (40);
A short ball separating device 50 installed on one side of the vertical conveying device 40 for separating the dust mixed with the conveyed short ball 2 by suction of the screens 51 and the dust blower 80;
A short ball storage tank (60) for storing the short ball (2) separated by the short ball separating device (50);
A short ball supply device 70 for supplying the shot ball 2 stored in the shot ball storage tank 60 to the impeller unit 20 through a feeder and a gate;
A plurality of filters 91 for filtering the dust collected by the suction of the dust collecting blower 80 are provided and a blower 93 for discharging the air passing through each filter 91 is provided, A dust collecting device 90 for sequentially opening and closing the dust collected on one side and discharging the dust to the discharge hopper 94;
A first belt conveyor 101 installed at an angle to the front of the rotating object 110 installed in the blast cabinet 10 at an angle and a second belt conveyor 101 installed obliquely backward from the object rotating device 110 installed in the blast cabinet 10, And a stopper 103 for sequentially feeding a plurality of objects to be processed 1 in standby to the blast cabinet 10 one by one for the ironing work to the first belt conveyor 101, (100);
A roller frame 111 is installed in the lower part of the blast cabinet 10 in the object transferring apparatus 100 and the tilting apparatus 120 which tilts the roller frame 111 to the left and right receives the object to be processed, A workpiece rotating device 110 for rotating the workpiece 100 at a constant speed and discharging the object to be processed having completed the toughening operation to the object transferring device 100,
The opening and closing of the air cylinder is controlled so that a predetermined amount of the short ball 2 is supplied to the impeller unit 20 for a predetermined period of time and the impeller unit 20 changes the speed of the impeller unit 20 by inverter control, And a control panel (200) provided with a circuit and a program for power supply and control for the continuous belt conveyor type short blast system.
The blast cabinet according to claim 1, wherein the blast cabinet is lined with an abrasion resistant manganese (Mn) steel plate, and the shot ball projected below the impeller unit is arranged at a predetermined angle A continuous belt conveyor type shot blast system in which a plurality of guide plates (11) are provided obliquely.
delete The cleaning apparatus according to claim 1, further comprising: a cleaning chamber (131) provided below the horizontal transfer device (30) and having a plurality of first through holes (136) A second screw conveyor 132 for horizontally conveying the dust and the fine particles transferred from the horizontal conveying apparatus 30 and dropped therefrom and a second screw conveyor 132 for horizontally conveying the dust and the fine powders from the water tank 133 to the upper inside of the washing chamber 131 (130) including a water supply pipe (134) for spraying the water through the first nozzle (135);
A steam chamber 141 provided under the washing apparatus 130 and having a plurality of second through holes 146 formed on a side surface and a bottom surface of the steam chamber 141; A third screw conveyor 142 for horizontally conveying the dropped shot ball 2 and a second nozzle 145 for supplying superheated steam supplied from the overheated steam generator 143 to the lower portion of the steam chamber 141 Further comprising a drying device (140) including a steam supply pipe (144)
The cleaning device 130 and the drying device 140 are installed between the horizontal conveying device 30 and the vertical conveying device 40. A continuous belt conveyor type short blast system.
The continuous belt conveyor system according to claim 4, wherein the steam chamber (141) is connected to a duct (81) for sucking dust containing non-separated dust and fine particles from the shot ball (2) Shot blast system.

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