KR101102060B1 - A sand blaster system - Google Patents

Abstract

PURPOSE: A sandblaster system is provided to increase the recycling rate of sand by easily collecting sand from mixed air through a cyclone. CONSTITUTION: A sandblaster system comprises a blaster(100), a cyclone(200), and a dust collector(300). A product is produced in the blaster by operating a foot board(70) so that an injector(13) injects compressed air from an air compressor(1) and sand from a sand storage tank(20) into a work chamber(10). The sand injected by the injector is collected into the sand storage tank through the operation of an opening/closing unit(30). The cyclone comprises a separating unit(210) which is connected to the work chamber through a first connecting pipe(211) and filters sand in the mixed air and a sand box(220) which is detachably installed by a fastener(230) on the underside of the separating unit. The dust collector is connected to the cyclone through a second connecting pipe(311) and collects dust included in the mixed air.

Description

Sand blaster system

The present invention relates to a sand blaster system, and more particularly, since the operator can directly operate the injector while looking at the transparent window after inserting his hand through the hand opening, it is possible to improve the quality of the product as well as the cyclone. It is possible to facilitate the collection of the sand contained in the mixed air through it can increase the reuse rate of the sand, and to prevent the deterioration of the filter unit through the air injection unit configured in the dust collector, as well as the filter unit by the detachable collecting unit It is easy to deal with the dust that has fallen from the product, and it is possible to prevent product defects because the spray pressure of the injector can be kept constant due to the configuration of the air tank, and the sand spread in the work room through the fourth branch line and the air spray nozzle. Can be fed into the sand storage tank automatically, so that the work can be performed for a long time without filling the sand. The present invention relates to a sand blaster machine.

Blast processing is widely used to improve the characteristics of the surface by spraying abrasive particles on the surface of the workpiece at high speed to remove the surface of the workpiece or to remove dirts attached to the surface, or to give impact to the surface of the workpiece. It is an industrial technique used. In recent years, this method has been used for the processing of micro-regions of several micrometers, which have not been previously conceived.

Hereinafter, a conventional sandblasting apparatus will be described with reference to FIG. 1.

The sand blasting apparatus includes a grinding tank 21 in which a substrate 30 coated with a grinding object is largely applied to perform a grinding step on the grinding object, a recovery tank 24 in which the abrasive A used in the grinding process is collected, And a waste water tank 25 in which the grinding material B ground in the grinding process is collected. In addition, an injection nozzle 22 for injecting an abrasive into the grinding target is provided in the grinding tank 21, and an abrasive A used in the grinding process is provided on the outside of the grinding tank 21. A pair of first electromagnets 23 are respectively attached at opposite positions in order to prevent remaining on the surface of the pair. In addition, the grinding tank 21 and the waste water tank 25 are interconnected by the first rubber pipe 27, and the recovery tank 24 in which the abrasive A used in the grinding process is collected is the first rubber pipe 27. It is connected to the first rubber tube 27 by a second rubber tube 28 connected to a predetermined portion of the, and the recovery tank 24 and the spray nozzle 22 are connected to each other by a third rubber tube 29 to recover the recovery tank ( The abrasive A collected in 24 is moved to the spray nozzle 22.

In addition, the lower portion of the recovery tank 24 and the upper portion of the first rubber tube 27 facing the abrasives A among the abrasives A and the abrasives B moved through the first rubber tube 27 A pair of second electromagnets 26 are attached to each of the collection tanks 24 so as to be collected.

In addition, the abrasive A used in the sand blast apparatus adds a magnetic material to SiO 2 or Al 2 O 3 so that the separation of the abrasive can be more easily separated.

The above-described conventional sand blasting apparatus is intended to attach and recover a abrasive by the second electromagnet 26 at the time of dust collection of the abrasive using the second electromagnet 26 by attaching a magnetic material to the abrasive.

However, since the prior art has to recover the abrasive only in the recovery tank 24, there is a limit to the recovery of the abrasive that can flow into the waste water tank 25, and when the recovery of a certain amount of abrasive, the magnetic field is periodically removed to spray the nozzle 22 ), There is a disadvantage in that the abrasive must be supplied, and at this time, a large amount of abrasive flows into the waste water tank 25, and there is a problem in that it cannot be reused.

The present invention has been invented to solve the above problems, since the operator can directly operate the injector while watching the transparent window after inserting the hand into the hand opening, not only can improve the quality of the product, but also cyclone It is possible to facilitate the collection of the sand contained in the mixed air through it can increase the reuse rate of the sand, and to prevent the deterioration of the filter unit through the air injection unit configured in the dust collector, as well as the filter unit by the detachable collecting unit The aim is to provide a sand blaster system that can easily deal with dust that has fallen from it.

In addition, the present invention can maintain a constant spray pressure of the injector due to the configuration of the air tank to prevent product defects, and the sand of the work room as a sand storage tank through the fourth branch line and the air spray nozzles. Its purpose is to provide a sand blaster system that can be used for long periods of time without the need for sand filling.

Sandblaster system of the present invention for achieving the above object is to produce the product by injecting the compressed air of the air compressor and the sand of the sand storage tank to the work room through the injector by the operation of the scaffold, is injected through the injector The sand spread in the work room is configured to be re-stored in the sand storage tank through the operation of the switchgear; A cyclone comprising a separating part filtering the sand contained in the mixed air by being connected to the working chamber of the blaster through a first connecting pipe, and a sand gripping detachable under the separating part by a fastening means; A dust collecting device for collecting dust included in the mixed air by being connected to the cyclone through a second connecting pipe, wherein the blaster includes a sealed hand opening and a transparent window, and an injector is configured, A working chamber formed in a hollow shape and configured to collect sand which is injected through the injector; A switch for storing the sand collected in the collection part of the work room as a sand storage tank and closing the sand storage tank through an opening and closing action; Dehumidifier for dehumidifying the compressed air supplied through the air compressor; A distributor configured to distribute and supply compressed air that has passed through the dehumidifier, and an operation lever configured to open and close the switch; A first branch line configured to be connected between the switch and the distributor so as to open and close the switch according to the operation of the operation lever; A mixing unit configured at a lower portion of the sand storage tank, the opening and closing valve configured to control a supply amount of sand supplied to the scaffold; A second branch line configured to be connected between the distributor and the injector to supply compressed air to the injector through the mixing unit and the scaffold according to the operation of the scaffold, and branched from the second branch line to supply the compressed air to the sand storage tank. It is composed of a third branch line for moving the sand stored in the sand storage tank to the mixing unit branch line unit for injecting the compressed air mixed with sand into the working room through the injector;

By using the sandblasting system of the present invention, the operator can directly operate the injector while looking at the transparent window after inserting his or her hand into the hand opening, so that the quality of the product can not only be improved, but also included in the mixed air through the cyclone. It is possible to easily collect the collected sand to increase the reuse rate of the sand, to prevent the performance of the filter unit through the air spray unit configured in the dust collector, and to easily remove the dust from the filter unit by the detachable collecting unit. There is an advantage to handle.

In addition, the present invention can maintain a constant spray pressure of the injector due to the configuration of the air tank to prevent product defects, and the sand of the work room as a sand storage tank through the fourth branch line and the air spray nozzles. It is a useful invention that can work for a long time without filling the sand because it can be automatically added.

1 is a schematic view showing a conventional sandblasting apparatus.
2 is a schematic diagram illustrating a sand blaster system of the present invention.
3 is a front view of the sand blaster system of the present invention.
Figure 4 is a perspective view of the blaster of the present invention.
Figure 5 is a left side cross-sectional view of the blaster of the present invention.

Hereinafter, the structure of the present invention will be described.

Sandblaster system 500 of the present invention relates to a system for polishing a product (not shown) through the injection of sand, as shown in Figures 2 to 4, the blaster 100, the cyclone 200 and , The dust collecting device 300.

First, the blaster 100 is a chamber of the compressed air of the air compressor (1) and the sand of the sand storage tank 20 through the injector 13 by the operation of the footrest 70 configured in the lower side of the case (C) The present invention relates to a device for producing a product by spraying to the (10), the sand sprayed through the injector 13 to the bottom of the work room 10 to the sand storage tank 20 through the operation of the switch 30 It is configured to be stored again.

Hereinafter, the blaster will be described in more detail.

Looking at the configuration of the blaster 100 in more detail, it comprises a conventional air compressor (1) for supplying compressed air, the working room 10, and the case (C) formed on the lower side of the working chamber The case C includes a switch 30, a dehumidifier 40, a distributor 50, a first branch line 60, an open / close valve 80, and a branch line 90. There is a characteristic.

First, the working room 10 is a place where a work space for polishing of the product is formed, that is, the front surface, that is, the upper surface of the case upper side of the blaster 100 is composed of a closed hand inlet 11, the hand inlet ( The upper side of 11) is characterized in that the transparent window 12 for viewing the interior of the working room 10 is formed.

Here, it is preferable that the hand inlet 11 is formed in four so that two people, not one, can work, and the sand sprayed through the hand inlet 11 falls outside the blaster 100. The rubber glove 11a formed in the shape of a human hand is installed in the hand inlet 11 so that the hand inlet 11 is blocked from the outside.

In addition, the inside of the working chamber 10 is connected to the footrest 70 is composed of an injector 13 for injecting the compressed air of the air compressor (1), the sand of the sand storage tank 20 into the working chamber (10) It is characterized by

Here, the injector 13 may be configured as two instead of one so that two people can perform the work.

In addition, the collecting unit 14 collecting the sand sprayed through the injector 13 is formed in a hollow shape of the upper and lower strait in the lower portion of the working room 10, the collecting unit 14 on the bottom surface of the working room 10. It is preferable to be installed in a conventional strainer 15 to prevent the product to be polished to fall, the through-hole 16 in the vicinity of the central portion of the strainer 15 so that the sand can be more easily collected It may be formed.

In addition, the first opening and closing door (D1) for the inspection is configured on both sides of the work room (10).

In addition, the case (C) is formed on the lower side of the work room 10 to protect each component from the outside, the front and both sides constitute a second opening and closing door (D2) for inspection, the lower It is preferable that the first roller R1 is configured to be able to easily move the blaster machine 100.

Switch 30 is configured between the work room 10 and the sand storage tank 20 is installed inside the case (C), the sand collected in the collecting unit 14 of the work room 10 through the opening and closing action. The sand storage tank 20 serves to store the oil, and in normal times, the sand storage tank 20 functions to seal the sand storage tank 20 so that the sand storage tank 20 is easily operated.

In addition, the switch 30 is configured to further include a fourth branch line 31 for supplying the compressed air received through the first branch line 60 to the work room 10, the amount of the work room 10 The side may be configured to further include an air injection nozzle 17 connected to the fourth branch line 31 for injecting air pressure, through which the air pressure is injected in the central direction from both sides of the working chamber 10, respectively. The sand sprayed on the bottom surface of the work room 10 can be easily moved to the collecting unit 14 by the air spray nozzle 17, so that sand stored on the bottom surface of the work room 10 can be stored without any manual work. Can be easily introduced into the tank 20.

In addition, the dehumidifier 40 is installed inside the case C in such a manner that the moisture mixed with the compressed air supplied from the air compressor 1 is removed through a dehumidification action to prevent sand from agglomeration. .

In addition, the distributor 50 is to distribute the compressed air passed through the dehumidifier 40 to the sand storage tank 20, the switch 30 and the scaffold 70, the case configured at the lower side of the work room (10) C), the operating lever 51 for opening and closing the switch (C) is preferably installed to protrude to the outside of the case (C) so that the operator can easily operate.

In addition, the first branch line 60 is configured to be connected between the switch 30 and the distributor 50 to open and close the switch 30 according to the operation of the operation lever 51 configured in the distributor 50. When the operation lever 51 is operated, compressed air flows into the first branch line 60 to open and close the switch 30, and thus, sand collected at the collecting part 14 of the work room 10 is sand. Inflow into the storage tank 20 is stored operation occurs.

In addition, when the switch 30 is opened through the operation of the operation lever 51 as described above, the sand storage tank 20 is not sealed, so even when the footrest 70 is operated, the sand storage tank 20 is stored in the sand storage tank 20. The operation in which sand is injected through the injector 13 does not occur.

In addition, the mixing unit 80 is configured in the lower portion of the sand storage tank 20 to act to control the amount of sand supplied to the scaffold 70 is composed of an on-off valve 81 for adjusting the amount of sand supplied It is characterized by

In addition, the branch line unit 90 is a footrest 70, the compressed air supplied from the air compressor (1) so that the compressed air mixed with the sand is injected into the work room through the injector 13 in accordance with the operation of the footrest 70 In this configuration, the feeder is fed between the distributor 40 and the injector 13, and the compressed air is supplied to the injector 13 through the mixing unit 80 and the scaffold 70 according to the operation of the footrest 70. The second branch line 91 to be supplied, and the sand stored in the sand storage tank 20 to the mixing unit 80 by supplying compressed air branched from the second branch line 91 to the sand storage tank 20. The third branch line 92 is moved.

In addition, the second branch line 91 of the branch line unit 90 formed between the distributor 50 and the mixing unit 70 is preferably configured to further include an air tank 93, the air tank ( According to 93, the amount of compressed air passing through the second branch line 91 can be kept constant at all times.

Therefore, according to the operation of the scaffold 70, the compressed air mixed with sand can be uniformly sprayed into the work room 10 through the injector 13, so that the worker can easily and precisely polish the product to be worked. It can be achieved.

Second, the cyclone 200 is connected to the working chamber 10 of the blaster 100 through the first connecting pipe 211 to filter the sand contained in the mixed air and dust, compressed air and dust Separation unit 210 for separating the sand contained in, and is characterized by consisting of a sand tray 220 configured to collect the filtered sand is configured on the lower side of the separation unit 210.

And, the sand tray 220 is configured to be detachable through the separating portion 210 and the fastening means 230, the second roller (R2) is configured in the lower side of the sand tray 220 for ease of movement. It is desirable to be.

Therefore, the sand filtered by the sand gutter 220 may be separated and stored in the sand storage tank 20 of the blaster 100 by separating the sand gutter 220 from the separating part 210 through the fastening means 230. Therefore, the reuse rate of the sand can be increased.

In addition, the dust collector 300 is connected to the separation unit 210 of the cyclone 200 through the second connection pipe 311 to collect the dust contained in the mixed air, the filter unit 310 and Preferably, the air spraying unit 320, the collecting unit 330, and the drive motor 340, and the third roller (R3) for ease of moving installation is provided below the dust collector 300 It is preferable that it is further included.

First, the filter unit 310 is configured to filter dust by receiving mixed air through the second connecting pipe 311, and a conventional filter for filtering dust is installed.

In addition, the air injection unit 320 is configured on the upper portion of the filter unit 310 to spray the compressed air to the filter unit to act to shake off the dust filtered by the filter unit 310, the air compressor (1) It will be easy to achieve with the configuration connected to).

In addition, the collection unit 330 is configured to be detachable to the lower portion of the filter unit 310, the air spraying unit 320 to collect the dust filtered to the lower side of the filter unit 310, the drawer shape It can be easily achieved by configuring.

In addition, the drive motor 340 is configured on the upper portion of the air injection unit 320 serves to exhaust the air from which dust is removed.

Therefore, according to the dust collecting apparatus 300, the dust is removed can be exhausted to the outside can be used in an environmentally friendly manner, the dust caught on the filter unit 310 to the air injection unit 320 It can be easily filtered by the detachable collection unit 330 can be used to achieve the collection and removal of dust more easily, because the filter unit 310 is automatically cleaned by the air injection unit 320 filter The replacement cycle of the unit 310 can be extended.

Looking at the operation according to the configuration as described above are as follows.

In the state where the product is placed in the workroom 10 to polish the product, the worker inserts both hands into the hand opening 11 and wears rubber gloves 11a on both hands.

Then, one hand grasps the product to be polished and the other hand grabs the injector 13 to complete the preparation of the polishing work.

When the preparation for the polishing process of the product is completed, the operator can step on the scaffold 70 to inject sand with a strong pressure through the injector 13, and polish the product while watching the state of the polishing process of the product through the transparent window 12 Machining can be achieved.

Hereinafter, a process of sand is injected through the injector 13 will be described in more detail.

When the operator steps on the footrest 70 as described above, the compressed air generated in the air compressor 1 flows into the blaster 100, and the compressed air introduced into the blaster 100 passes through the dehumidifier 40 and the moisture. Is introduced into the removed state, the compressed air passed through the dehumidifier 40 is supplied to the first branch line 60 and the branch line unit 90 through the distributor 50, the first branch line 60 Compressed air is supplied to the compressed air does not occur due to the closing of the switch 30, the compressed air is supplied only through the branch line 90 consisting of the second, third branch lines (91, 92). .

Therefore, the compressed air supplied to the third branch line 92 acts to push the sand stored in the sand storage tank 20 to supply the sand to the mixing unit 80 through the opening / closing valve 81. The compressed air supplied to the branch line 91 pushes the sand supplied to the mixing unit 80 to supply compressed air mixed with the sand to the injector 13 through the scaffold 70. ), The compressed air mixed with the sand is injected, and thus the product can be polished.

In addition, most of the sand sprayed through the injector 13 is stored through the collecting unit 14, and some of the sand is accumulated near the edge of the work room 10 in which the collecting unit 14 is not formed. A small amount of sand is sucked into the cyclone 200 through the first connecting pipe 211 with the mixed air mixed with dust.

In addition, since the amount of sand stored in the sand storage tank 20 is limited, the worker must refill the sand with the sand storage tank 20, and the filling of the sand is carried out to the distributor 50 of the blaster 100. By operating the operating lever 51 configured to open the switch 30, the sand stored in the collecting portion 14 can be easily filled with the sand storage tank 20, so that the used sand can be easily reused.

In addition, when the operating lever 51 is operated as described above, the compressed air passes through the first branch line 60 connected between the distributor 50 and the switch 30 to pass through the fourth branch line 31. Compressed air is injected to the air spray nozzles 17 formed at both sides of the work chamber 10 through the sand, which is accumulated in the work chamber 10 because the compressed air is sprayed toward the center from both sides of the work chamber 10. Can be collected in the collection unit 14 without any additional manual work, thereby automatically flowing the sand accumulated on the bottom surface of the work room 10 into the sand storage tank 20 without the worker cleaning or maintaining the work room 10. It becomes possible.

On the other hand, the dust and sand sucked into the cyclone 200 through the first connecting pipe 211 occurs in the process of passing through the upper portion from the lower portion of the separator 210 of the cyclone 200 to the lower side, the dust is The included mixed air is sucked into the dust collector 300 through the second connection pipe 311.

Then, the sand dropped to the lower side through the separator 210 is collected by the sand tray 220 configured in the lower part, after the worker finishes the polishing process of the product, by separating the fastening means 230, collecting only sand The sand tray 220 can be easily separated, and the sand stored in the sand tray 200 opens the first opening / closing doors D1 formed on both sides of the work room 10, and the collecting part 14 of the work room 10. By pouring into), it is possible to easily reuse the sand recovered through the cyclone (200).

Therefore, the mixed air flowing into the dust collector 300 includes only dust, and the dust is filtered by the filter unit 310 to discharge only the clean air from which dust is removed to the outside of the dust collector 300. do.

In addition, the upper portion of the filter unit 310 of the dust collector 300 is provided with an air injection unit 320 to shake off the dust of the filter unit 310, the lower portion of the filter unit 310, the air injection unit ( Since the collecting unit 330 is configured to collect dust dusted from the filter unit 310 by the filter unit 310, it may be used for a long time without replacing the filter unit 310, and the collected dust may be collected using the collecting unit 330. Desorption can be easily discarded.

As described above, by using the sand blaster system 500 of the present invention, sand and dust and air can be completely separated and filtered so that sand can be easily reused and the cost of maintenance can be reduced. do.

In addition, the present invention has been described with a specific embodiment limited, but is not limited to the specific embodiment and the accompanying drawings, various changes and modifications will be possible within the scope without departing from the spirit of the present invention, these changes are All belong to the scope of the present patent will be apparent from the appended claims.

C: Case D1, D2: Opening door
R1, R2, R3: 1st, 2nd, 3rd roller 1: Air compressor
11: hand opening 11a: rubber gloves
12: transparent window 13: injector
14: collection 15: sieve
16 through hole 17 air spray nozzle
20: sand storage tank 30: switchgear
31: fourth branch line 40: dehumidifier
50: distributor 51: operating lever
60: first branch line 70: scaffolding
80: mixing section 81: on-off valve
90: branch line section 91: second branch line
92: third branch line 93: air tank
100 blaster 200 cyclone
210: separating portion 211: first connector
220: sand tray 230: fastening means
300: dust collector 310: filter unit
311: second connector 320: air injection unit
330: collecting unit 340: driving motor
500: Sand Blaster System

Claims (5)

By operating the scaffold 70, the compressed air of the air compressor 1 and the sand of the sand storage tank 20 are sprayed to the workroom 10 through the injector 13 to produce a product, and the injector 13 is Sand sprayed through the work room is blaster device 100 configured to be re-stored in the sand storage tank 20 through the operation of the switch 30;
The separation unit 210 is connected to the working room 10 of the blaster 100 through the first connecting pipe 211 to filter out the sand contained in the mixed air, and the separation unit by the fastening means 230. A cyclone 200 composed of a sand tray 220 detachably attached to a lower side of the 210;
By being connected to the cyclone 200 through a second connection pipe 311, a dust collecting device 300 for collecting the dust contained in the mixed air;
The blaster machine 100,
The closed hand-entry opening 11 and the transparent window 12 are formed, and the injector 13 is comprised, and the collection part 14 which collects the sand sprayed through the injector 13 is formed in the hollow shape of the upper and lower straits. The work room 10 configured to;
A switch 30 for storing the sand collected in the collection unit 14 of the workroom 10 through the opening and closing operation as a sand storage tank 20 and sealing the sand storage tank 20;
Dehumidifier 40 for dehumidifying the compressed air supplied through the air compressor (1);
A distributor 50 configured to distribute and supply compressed air through the dehumidifier 40, and an operation lever 51 for opening and closing the switch 30;
A first branch line 60 connected between the switch 30 and the distributor 50 to open and close the switch 30 according to the operation of the operation lever 51;
A mixing unit 80 formed at a lower portion of the sand storage tank 20 and configured with an opening / closing valve 81 to adjust a supply amount of sand supplied to the scaffold 70;
The second branch line is connected between the distributor 40 and the injector 13 and supplies compressed air to the injector 13 through the mixing unit 80 and the scaffold 70 according to the operation of the scaffold 70. 91 and a third branch line branched from the second branch line 91 to supply compressed air to the sand storage tank 20 to move the sand stored in the sand storage tank 20 to the mixing unit 80. And a branch line portion 90 configured to spray compressed air mixed with sand into the working chamber 10 through an injector 13.
delete According to claim 1, wherein the switchgear 30 further comprises a fourth branch line 31 for supplying the compressed air supplied through the first branch line 60 to the work room,
Both sides of the work chamber 10 is connected to the fourth branch line 31 is characterized in that it further comprises an air spray nozzle 17 for introducing the sand laid in the work room 10 into the sand storage tank 20 Sand Blaster System.
The compressed air of claim 1, wherein the second branch line 91 formed between the distributor 50 and the mixing unit 80 stores the compressed air so that the injection pressure of the compressed air injected through the injector 13 is kept constant. Sandblaster system characterized in that the air tank (93) is further included.
According to claim 1, wherein the dust collector 300,
Filter unit 310 to filter the dust by receiving the mixed air through the second connecting pipe (311);
An air spraying unit 320 disposed above the filter unit 310 to blow off the dust filtered by the filter unit 310 by spraying compressed air;
A collecting part 330 configured to be detachably attached to the lower part of the filter part 310 to collect the dust filtered by the air injection part 320;
Sandblaster system, characterized in that consisting of; a drive motor (340) configured on the top of the air injection unit 320 to exhaust the air from which dust is removed.

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