KR100538942B1 - Auto air blast machine - Google Patents

Abstract

The present invention relates to an air blast machine for automatically blasting product surfaces such as glass bottles.

The present invention introduces an automation concept to a series of processes such as projecting, conveying, and cleaning, excluding the input and extraction of products by workers, and effectively collects and collects projected materials and dust by using a cyclone and a dust collector. This improves the overall productivity and workability of the blasting process, reduces the consumption of projection materials, creates an economical and clean working environment, and above all, provides an automatic air blasting machine that can drastically reduce labor costs. .

Description

Auto air blast machine {Auto air blast machine}

The present invention relates to an air blasting machine for automatically blasting the surface of a product such as a glass bottle, more specifically, it can automatically perform a series of processes, such as projection, transfer, cleaning, except the input and take out of the product, Automatic air blasting machine that can improve productivity and workability by reducing the amount of projected material and creating a clean working environment by easily recovering projectiles and collecting dust. It is about.

In general, blasting refers to a process of strongly projecting compressed air in which projection material (abrasive material) such as sand is added to the surface of a workpiece to remove scale, rust, or the like.

Most of the conventional blasting work is a situation that depends on the manual work of the operator.

For this reason, there is a disadvantage that the workability and productivity is low, in particular, the recycling efficiency of the projection material is low, there is a problem of poor working environment by dust, disadvantages in terms of labor costs.

Accordingly, the present invention has been made in view of the above, and introduces an automation concept to a series of processes such as projection, transfer, and cleaning, except for input and take out of products by an operator, and uses a cyclone and a dust collector. By effectively collecting and collecting the projection material and dust, it is possible to improve the overall productivity and workability of the blasting work, and to reduce the consumption of the projection material, to create an economical and clean working environment, and above all, labor costs. The purpose is to provide an automatic air blasting machine that can greatly reduce the cost.

The present invention for achieving the above object has a door on both sides, a lower table driving unit, a control panel and an air line of the front and rear parts are provided with a tunnel through which the product can pass through a certain section and the inside of the front part is opened. For example, the blast cabinet which forms a predetermined closed working space, and is horizontally disposed over the closed working space of the blast cabinet and the open input / output space and supported by a lower drive shaft in a stepwise manner by a table driving unit. It is rotated and installed on the table for mounting a plurality of products, and installed in the inner working space of the blast cabinet and connected to the airline side and the cyclone side to project the projection material at a predetermined pressure and spray the air to process the product. Connected to the blast unit and air line side to inject air at a predetermined air pressure An air unit for washing the product, a cyclone installed at an upper portion having a duct extending from the lower part of the blast cabinet, for centrifuging projection material and dust introduced into the inside by the fan, and an upper side of the cyclone. It is characterized in that it comprises a dust collector which is in communication with the filter to suck in the dust.

In addition, the inner working space of the blast cabinet is composed of two projection zones and one washing zone, each zone is characterized in that the partition structure on the table partition.

The table may include a main table divided into five areas, a partition disposed on a boundary line of each area of the main table, and six tables arranged in each area of the main table while being rotated by a multi-table driving unit. It is characterized by consisting of a multi-table to be installed.

In addition, the multi-table driving unit forms a closed circulation curve using a self-powered motor installed at an outer side of the blast cabinet and at least four idlers, and at the same time passes through two projection zones and one washing zone, respectively. It characterized in that it comprises a magnetic belt for rotating the belt, and a driving belt connected between the idler and the motor for the motor for transmitting power.

In addition, the blast unit is disposed in the work space and the washing space, respectively, and the angle can be adjusted at the same time it is possible to repeat the flow up and down by the nozzle drive unit at least to project and spray the projection material and compressed air to the product from the top and bottom And four sets of blast nozzles.

The nozzle driving unit may include a nozzle driving motor installed at an outer side of the blast cabinet, three support shafts rotatably arranged side by side up and down, each link bar integrally formed on the support shafts, and rotated together; A connecting bar connecting one side of each link bar, four sets of holder bars extending from the other side of the link bar and holding the nozzle at the end thereof, a cam mounted on the shaft of the nozzle driving motor, the cam and the It characterized in that it comprises a connection link connecting the other side of the link bar.

Hereinafter, a preferred embodiment of the automatic air blast machine provided by the present invention will be described in detail.

The automatic air blasting machine of the present invention adopts the air blasting type processing method and the index type product progressing method, and the projection steel uses the steel yarn of # 200 to 600, and the air pressure at this time is 4 to 6 A pressure of kg / cm 2 is used.

The automatic air blasting machine of the present invention is suitable for external sanding of glass bottles, coating pretreatment, mass production, etc., the main body for blasting, the table for putting and rotating the product, the cyclone for separating dust and normal projection materials, projection It consists of a dust collector that circulates ash and catches dust.

The work method is set such that six multi-tables are provided on the main table that is moved by five step steps, and five divided main tables are arranged inside the cabinet body and one outside.

In the inner two main table sections of the cabinet main body, the product is rotated and the projection is performed during the timer setting time.At the same time, the main table sections on both sides are waiting for projection and the process of washing the finished product with air is performed. In one main table section, which comes out of the cabinet body, the worker takes out the product and reinserts it.

When the projection, cleaning, feeding, and withdrawal is completed as described above, the operation is automatically performed by moving one step.

During operation, the multi-table can adjust the rotation speed according to the product, and the nozzle can project and spray at any angle, and can move up and down reciprocatingly.

Once injected, the projection material falls into the hopper under the cabinet body, and the projection material and the dust sucked up to the cyclone by the fan of the dust collector are separated from the cyclone.

The separated projection material is piled up in a cyclone to be in a projection standby state, and dust is sucked out by a dust collector, filtered by a filter, and clear air is discharged out.

As described above, the automatic air blasting machine provided by the present invention operates automatically in addition to the operation of adding or removing a product by the operator, and may be manually operated as necessary.

This will be described in more detail as follows.

As shown in Figures 1 to 3, the automatic air blasting machine is largely composed of a blast cabinet, a table (main table + multi table), a blast unit, a cyclone, a dust collector, a pneumatic, a control panel have.

1) blast cabinet

The blast cabinet 15 corresponding to the main body is a place where the blasting work is substantially performed, and the cyclone 20 is installed on the outside of the upper side, and the doors 10 having viewing windows are provided on both sides.

The interior of the blast cabinet 15 is composed of one preparation space, two working spaces, one washing space, and one input / exit space is exposed to the outside.

During the blasting operation, the work area and cleaning area can be isolated from the work area by the tunnel structure in order to protect the product from dust and dust.

A table 17 is disposed at an internal intermediate position of the cabinet body, and a table driving unit 11 for driving the table 17 is installed at an inner lower portion thereof.

An air line 13 is installed at the rear of the blast cabinet 15 to be connected to the blast unit 18 disposed therein to provide air pressure, and a control panel for controlling air pressure or various driving elements ( 12) is installed on the front left or right, the cyclone 20 side disposed on the upper side is also connected to the blast unit 18 side through the distributor 40 to provide a projection material.

In addition, the door 10 is equipped with a limit switch, so that the projection can be automatically stopped when the door 10 is opened during operation, the interior of the cabinet body is a rubber coating is necessary to reduce the consumption of the projection material It is.

In addition, two cabinets 14 through which the product passes are installed inside the cabinet main body. When the product stops after being placed in the projection space, the partition 22 between each table blocks the tunnel 14 to the outside or to the product side during projection. The projection material can be prevented from scattering.

Here, the tunnel 14 has a conventional tunnel structure in which the perimeter is blocked except for the entrance and exit through which the product and the multi-table pass.

In addition, there are two air inlets at the upper part of the cabinet body, one of which is connected to the air washing line, so as to reduce the consumption of air related to the cleaning operation as much as possible.

2) table

As a means for mounting and rotating the product, the multi-table 25 is assembled on the main table 23 so as to be rotatable.

That is, as shown in FIG. 5, the housing 25a is fastened and fixed to the bottom surface of the main table 23, and the shaft 25b and the holder 25c are provided through a plurality of bearings to the inside and the outside of the housing 25a. It is rotatably mounted and the pulley 25d is mounted in the lower end of the shaft 25b.

Accordingly, when the pulley 25d is rotated by the magnetic belt 28 of the multi-table driving unit 24 described later, the shaft 25b and the holder 25c are rotated together, and the product set thereon can be rotated accordingly. Will be.

The six multi-tables 25 assembled in this way are arranged at the same time in each area of the blast cabinet 15 in one preparation space, two projection spaces, one cleaning space, and one input / output space at the same time. do.

During the timer setting time (e.g., when the operator inserts and removes the product or a predetermined setting time at which the product is projected), the projection is made at two places and at the same time, the cleaning is performed at one place and at the same time outside the cabinet body. The worker takes out the product and reinserts it.

The main table 23 is supported by the drive shaft 16 installed in the rotatable structure together with the bearing means in the blast cabinet 15, and the table driving unit 11, that is, the motor 41 and the reducer 42. By the rotation of the drive shaft 16 is powered from) it can be rotated in a step manner.

That is, the divided rotation of the table is made by the brake clutch motor, the reducer, and the index.

On the boundary line of each area of the main table 23 divided into five areas, a partition plate 22 in the form of a square plate is installed vertically, which is a tunnel 14 provided in the blast cabinet 15. By preventing the projection material from being scattered to the product side in the air or washing process, it is possible to prevent problems such as flying outside.

In addition, the upper surface of the main table 23 is treated with a wear-resistant rubber coating to reduce the impact loss of the projection material.

In particular, in the case of a table located in two projection spaces and one washing space among the main tables 23 divided into five areas, the multi-table 25 is rotated in this position, so that the projection and cleaning effects can be further enhanced. Will be.

At this time, the rotation of the product holder is performed by the motor and the belt.

For example, as shown in FIG. 4, at least one idler 27 is provided on the outer side of the blast cabinet 15 and a motor 26 is provided therein and rotatably supported on the cabinet body. At the same time, a magnetic belt 28 is disposed across each idler 27 to form a closed circulation curve. A driving belt is disposed between one of the four idlers 27 and a pulley on the shaft of the motor 26. 29 is connected to allow the magnetic belt 28 to rotate in accordance with the operation of the magnetic motor 26.

At this time, the magnetic belt 28 is in contact with the pulleys of each multi-table 25 via two projection zones and one washing zone, so that the multi-tables 25 in the projection zone and the washing zone are rotated. Will be able to.

3) Blast Unit and Air Unit

As a means for projecting projection material onto the product and spraying compressed air, it is installed in the working space and the cleaning space of the blast cabinet 15, respectively, on the outer air line 13 side and the cyclone 20 side of the upper side. They are connected to each other and are provided with projection material and compressed air necessary for the work.

The blast unit 17 is largely comprised of a blast nozzle 32 for projecting projection material and an air jet nozzle (not shown) for spraying compressed air, and a total of three sets are provided with two as one set.

For example, two sets of nozzles are installed at the top and the bottom of each of two working spaces and one cleaning space to project projection material or spray compressed air onto the top and bottom of the product. In the embodiment of the present invention provides a specific installation structure for the blast nozzle for projecting projection material, the air jet nozzle for air cleaning can also have the same installation structure as the blast nozzle.

In addition, the blast nozzle 32 is connected to the air line 13 is connected to the tube extending from the distributor 40, the projection material is ejected while the projection material is ejected by the powerful earth output of air. Can be projected.

In addition, these nozzles are able to adjust the projection range by adjusting the angle according to the product, and also the reciprocating oscillation movement up and down within a certain stroke by the nozzle drive unit 31 during the projection process is possible. Projection and cleaning can be performed evenly.

To this end, as shown in Figs. 6 and 7, the nozzle driving motor 33 is installed on one side of the blast cabinet 15, and three support shafts 34 are provided in the cabinet body in the left and right width directions. It is arranged side by side up and down while being supported by both bearings, the link bar 35 extending in both directions while maintaining a constant angle to each support shaft 34 is formed integrally by welding or the like.

In addition, one side of the link bar 35, that is, the side extending forward upward, is connected by the connecting bar 36 in a rotatable pin coupling structure so that the three support shafts 34 can be operated simultaneously, The other side of the link bar 35, that is, the side extending downwards downward, is coupled with a long bar-shaped holder bar 37, and the nozzle can be installed at the end of the holder bar 37 thus coupled.

In addition, since the link bar 35 disposed on the uppermost portion is connected to the cam 38 mounted on the shaft of the nozzle driving motor 33 by the link link 39, the power of the motor is connected to the cam. 38 and the connection link 39 can be simultaneously delivered to each support shaft (34).

In particular, the nozzle installed at the end of the holder bar 37, for example, the blast nozzle 32 is to be able to adjust the angle in the state of loosening the bolt, the end of the holder bar 37 is inserted Loosening and tightening the bolted joints on the link bar (35) that can be extended to the front or reduced to the rear.

That is, the spraying distance or the spraying angle of the nozzle can be adjusted according to the shape of the product.

4) cyclone

The cyclone 20 sucks the projected projection material and dust together, and centrifugally separates the projected material from the projection atmosphere, and serves to suck the dust into the dust collector.

To this end, the cyclone 20 is installed on the upper portion of the blast cabinet 15, and has a structure that communicates with the inside of the blast cabinet 15 by a duct 19 extending from the bottom to the upper side connected to one side thereof. do.

That is, when the projected material is projected after the projection material is gathered down through the lower hopper structure of the blast cabinet 15, at the same time the fan (not shown) and the projection material and dust through the duct 19 to the cyclone (20) It can be introduced into the inside of.

In particular, since the duct 19 is connected in a tangential direction at the side of the cyclone body, a natural turning flow is formed inside the cyclone 20, so that the projection material can be separated separately from the dust down.

In the distributor 40 installed at the lower end of the cyclone 20, a tube (not shown) is extended to be connected to each nozzle on the blast unit 18 side, whereby the projection material in the projection standby state is the blast unit 18. It can be supplied to each nozzle of the).

5) Dust Collector

It is a kind of dust collecting means for sucking dust and dust generated during operation, and catching dust with a built-in filter and discharging only clean air, and is installed on a duct extending from an upper portion of the cyclone 20.

By filtering the dust generated during the blasting work, the environment of the workplace can be kept more comfortable and clean, and the health of the workers as well as the products can be taken clean.

6) Pneumatic

The control of compressed air is very important to meet the conditions of the blasting operation. Therefore, it is necessary to control the pressure of the air and to control each nozzle by connecting one switch to one nozzle for easy operation from the control panel. desirable.

The process of the automatic air blast machine configured as described above proceeds in the following order.

Fan operation → Product input → Start operation → One step movement → Projection and spraying in two workspaces and one cleaning space (multi-table operation, nozzle reciprocating motion, blast nozzle operation, air jet nozzle operation) → Projection And the blasting operation is automatically performed continuously while one cycle operation consisting of the process of washing stop → one-division rotation is repeated.

As described above, the present invention provides an automatic air blasting machine capable of automatically performing a series of processes such as projecting, conveying, and cleaning, excluding the input and extraction of products, thereby improving productivity and workability of the blasting work. Effect, cost reduction according to the reduction of the consumption of the projection material, the effect of creating a clean working environment, and the labor cost can be significantly reduced.

1 is a front view showing the structure of an automatic air blast machine according to the present invention

Figure 2 is a side view showing the structure of an automatic air blast machine according to the present invention

3 is a plan view showing the structure of an automatic air blasting machine according to the present invention.

Figure 4 is a plan view showing the structure of a multi-table drive unit in the automatic air blast machine according to the present invention

5 is a cross-sectional view showing the structure of a multi-table in the automatic air blast machine according to the present invention

Figure 6 is a side view showing the structure of the nozzle drive unit in the automatic air blast machine according to the present invention

7 is a plan view showing the structure of the nozzle drive unit in the automatic air blasting machine according to the present invention.

<Explanation of symbols for main parts of drawing>

10 door 11 table driving unit

12: control panel 13: airline

14 tunnel 15 blast cabinet

16: drive shaft 17: table

18: blast unit 19: duct

20 Cyclone 21 Dust Collector

22: partition 23: the main table

24: multi-table driving unit 25: multi-table

26: motor 27: idler

28: magnetic belt 29: driving belt

30 air unit 31 nozzle drive unit

32: blast nozzle 33: nozzle driving motor

34: support shaft 35: link bar

36: connection bar 37: holder bar

38: cam 39: connection link

40: distributor 41: motor

42: reducer

Claims (6)

It has a door 10 on both sides, a table driving unit 11 on the lower side, a control panel 12 and an air line 13 on the front and rear sides, and a tunnel 14 through which a product can pass. A blast cabinet 15 for opening a portion of the front surface to form a predetermined closed working space therein; It is horizontally disposed over the closed work space and the open input / exit space of the blast cabinet 15 and is supported by the lower drive shaft 16 and rotated in a stepwise manner by the table drive unit 11 to produce a plurality of products. A mountable table 17; It is installed in the inner working space of the blast cabinet 15 and connected to the air line side and the cyclone side to project the projection material at a predetermined pressure and spray the air and the blast unit 18 and the air line side and An air unit 30 connected to spray the air at a predetermined air pressure to wash the product; A cyclone (20) having a duct (19) extending from the lower part of the blast cabinet (15) and centrifuging the projection material and dust introduced into the interior by the fan; A dust collector 21 which is in communication with the upper side of the cyclone 20 and sucks dust and filters it with a filter; Automatic air blast machine, characterized in that consisting of. The method according to claim 1, wherein the inner working space of the blast cabinet (15) is composed of two projection zones and one washing zone, each zone is configured to be blocked by the partition 22 on the table (17). Featuring an automatic air blast machine. The said table 17 is a main table 23 divided into five areas, the partition 22 arrange | positioned on the boundary line of each area | region of the said main table 23, and the said main table. An automatic air blast machine, comprising: a multi-table 25 arranged in a structure capable of rotating by the multi-table driving unit 24 while being arranged in each of six regions 23. 4. The multi-table driving unit 24 according to claim 3, wherein the multi-table driving unit 24 forms a closed circulation curve by using a motor 26 installed on an outer side of the blast cabinet 15 and at least four idlers 27 at the same time. A driving belt 28 is connected between an idler 27 and a motor 26 for transmitting power through a self-propelled belt 28 for rotating each of the multi-tables while passing through the projection zone and one washing zone. Automatic air blast machine characterized in that it comprises a (29). According to claim 1, The blast unit 18 is disposed in the work space and the washing space, respectively, and the angle can be adjusted at the same time it is possible to repeat the flow up and down by the nozzle drive 31 and the projection material with respect to the product from the top and bottom An automatic air blast machine comprising at least four sets of blast nozzles 32 projecting and blowing compressed air together. The nozzle driving unit 31 is a nozzle driving motor 33 installed on an outer side of the blast cabinet 15, three support shafts 34 rotatably arranged side by side up and down, and Each link bar 35 which is integrally formed on each support shaft 34 and rotates together, and a connecting bar 36 for connecting one side of each link bar 35, and a long side at the other side of the link bar 35. Four sets of holder bars 37 extending and holding nozzles at the ends thereof, a cam 38 mounted on the shaft of the nozzle driving motor 33 and the cams 38 and the link bars 35 Automatic air blast machine, characterized in that it comprises a connecting link (39) for connecting the other side.