JP2000296467A - Auto dust collector in wet deburring machine - Google Patents

Abstract

(57) [Summary] [Problem] Deburring work by automatically putting dust accumulated on filter paper into a dust box and automatically winding up the filter paper without stopping the machine and performing deburring processing. To improve workability. SOLUTION: A tank 19 is provided below the wet deburring machine 1, a coolant pump 21 for sending coolant in the tank to the wet deburring machine is provided in the tank, and a lower portion is provided between the wet deburring machine and the tank. A filter belt take-up reel 25 is provided above one side of the tank, a feed roller 27 is provided at the other side of the tank, a dust box 31 is provided below the feed roller, and a filter paper take-up reel is provided. Are provided with remaining amount detection sensors 51A and 51B for detecting the remaining amount of the filter paper P wound around, a support plate 63 for supporting the filter paper, and a water level sensor 61 above the support plate. .

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic dust collector for a wet deburring machine for automatically processing dust generated after deburring in a wet deburring machine.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 7, a wet deburring machine 101 is provided with a conveyor table 103, on which a belt conveyor 105 is provided. The belt conveyor 105 includes a driving pulley 107, a driven pulley 109, and a belt 1 wound around the driving pulley 107 and the driven pulley 109.
And 11. A deburring grindstone 113 as a rotatable deburring wheel is provided on the belt 111. For example, FIG.
In the upper left part of the figure, a coolant injection nozzle 115 is provided.

[0003] With the above configuration, a driving motor (not shown) is driven while a work W for deburring is placed on the left side of the belt 111, and the driving pulley 107 is rotated clockwise. Belt 11
1 is driven to the right. In this state, the deburring whetstone 11
By rotating the workpiece 3, the work W is subjected to deburring. At this time, the coolant is sprayed from the coolant spray nozzle 115, and the deburring process is easily performed.

[0004] A dust collector 117 is disposed below the conveyor table 103 of the wet deburring machine 101. The dust collector 117 includes a tank 119 for storing a coolant, and a coolant pump 121 is provided on the left side of the tank 119, for example.
Is provided. The coolant pump 121 and the coolant spray nozzle 115 are connected by a hose 123.

A filter paper take-up reel 125 on which the filter paper P is wound is provided above the left side of the tank 119, and a filter paper P from the filter paper take-up reel 125 is provided on the other side of the tank 119. Is provided. A dust box 129 is provided below the feed roller 127. Handle 131 for rotating the feed roller 127
Are connected to the feed roller 127.

[0006] A float ball device 133 is provided substantially at the upper left portion of the center of the tank 119. A dust net 135 is provided on the right side of the float ball device 133. Above the dust net 135, a dust outlet 1 provided below the conveyor table 103 is provided.
37 are provided. The coolant pump 121 and the filter paper take-up reel 125 are covered with a cover 139.

With the above structure, the wet deburring machine 10
The coolant (cooling water) containing dust generated when the work W is deburred in step 1 flows from the dust discharge port 137 provided below the conveyor table 103 to the dust net 135, and the dust is removed. 13
5 and the dust net 1
Fine dust passing through 35 is removed. Moreover,
The filtered coolant (cooling water) collects in the tank 119. The coolant (cooling water) in the tank 119 is circulated by the coolant pump 121 via the hose 123 through the coolant spray nozzle 115 to be circulated and used repeatedly.

[0008]

However, in the above-described conventional dust collector 117, a dust net 135 is provided.
It is necessary to remove the accumulated dust. Also,
If the dust accumulates too much, coolant (cooling water) accumulates on the filter paper P, and when the float ball is lifted, the limit switch is turned on and the machine stops.

An object of the present invention is to automatically put dust accumulated on a filter paper into a dust box and automatically wind the filter paper, so that deburring can be performed without stopping the machine. Another object of the present invention is to provide an automatic dust collector for a wet-type deburring machine designed to improve workability.

[0010]

In order to achieve the above object, an automatic dust collector in a wet deburring machine according to the present invention according to claim 1 is provided with a tank for storing a coolant below the wet deburring machine, A coolant pump for sending coolant in the tank to the wet deburring machine is provided in the tank, and a mesh belt conveyor inclined downward is provided between the wet deburring machine and the tank, and one of the tanks is provided. A filter paper take-up reel on which the filter paper is wound, a feed roller for feeding the filter paper from the filter paper take-up reel is provided on the other side of the tank, and a dust box is provided below the feed roller. A support plate for supporting the coolant, and detecting that the coolant has accumulated above the support plate. And it is characterized in that formed by providing a position sensor.

[0011] Therefore, coolant (cooling water) containing dust generated when the work is deburred by the wet deburring machine flows from the wet deburring machine onto the mesh belt conveyor, and the dust is discharged onto the mesh belt conveyor. The mesh belt conveyor is rotated and stored in the dust box. In addition, coolant (cooling water) containing dust flowing on the mesh belt conveyor flows on the filter paper, and fine dust is removed by the filter paper. Moreover, the filtered coolant (cooling water) accumulates in the tank. Coolant (cooling water) in the tank is circulated to a wet deburring machine by a coolant pump and used repeatedly.

The filter paper is sent out from the filter paper take-up reel provided above one side of the tank by the rotation of a feed roller provided on the other side of the tank, and is provided below the feed roller. The used filter paper is stored in the dust box.

In addition, since a support plate for supporting the filter paper is provided and a water level sensor for detecting that the coolant has accumulated above the support plate is provided, the water level of the coolant in the tank is controlled. Automatically detected.

Therefore, the dust accumulated on the tank is automatically put into the dust box and the filter paper is automatically wound up, so that the deburring work can be performed without stopping the machine, thereby performing deburring work. The performance is improved.

According to a second aspect of the present invention, there is provided an automatic dust collector in the wet deburring machine according to the first aspect of the present invention, wherein an inclined plate inclined downward is provided in the mesh belt conveyor. It is characterized by the following.

[0016] Therefore, since the inclined plate inclined downward is provided in the mesh belt conveyor, coolant (cooling water) containing fine dust flowing from the mesh belt conveyor easily flows from the inclined plate onto the filter paper. Is washed away.

According to a third aspect of the present invention, there is provided an automatic dust collector for a wet-type deburring machine according to the first or second aspect of the present invention, wherein the remaining filter paper wound on the filter paper winding reel is provided. A remaining amount detection sensor for detecting the amount is provided.

Therefore, since the remaining amount detecting sensor for detecting the remaining amount of the filter paper wound on the filter paper take-up reel is provided, the remaining amount of the filter paper wound on the filter paper take-up reel is automatically determined. Is detected.

[0019]

Embodiments of the present invention will be described below in detail with reference to the drawings.

Referring to FIG. 1, the wet deburring machine 1 includes a conveyor table 3 on which a belt conveyor 5 is provided. The belt conveyor 5 includes a driving pulley 7, a driven pulley 9, and a belt 11 wound around the driving pulley 7 and the driven pulley 9.
It is composed of A deburring grindstone 13 as a rotatable deburring wheel is provided on the belt 11. For example, a coolant spray nozzle 15 is provided at the upper left of the deburring grindstone 13 in FIG.

With the above configuration, a driving motor (not shown) is driven with the work W for deburring placed on the left side of the belt 11 to rotate the driving pulley 7 clockwise. The belt 11 runs rightward. By rotating the deburring grindstone 13 in this state, for example, counterclockwise, deburring is performed on the workpiece W. At this time, coolant (cooling water) is sprayed from the coolant spray nozzle 15, so that deburring can be easily performed.

An automatic dust collector 17 is provided below the conveyor table 3 of the wet deburring machine 1. The automatic dust collector 17 includes a tank 19 for storing a coolant, and a coolant pump 21 is provided on the left side of the tank 19, for example. The coolant pump 21 and the coolant spray nozzle 15 are connected by a hose 23.

A filter paper take-up reel 25 on which the filter paper P is wound is provided above the left side of the tank 19, and a filter paper P from the filter paper take-up reel 25 is provided on the other side of the tank 19. Are provided. A motor 29 is connected to the feed roller 27. A dust box 31 is provided below the feed roller 27.

A float ball device 33 is provided substantially at the upper left portion of the center of the tank 19. On the right side of the float ball device 33, a mesh belt conveyor 35 inclined downward and to the left is provided between the conveyor table 3 and the tank 19 of the wet deburring machine 1 as shown in FIG. I have. The mesh belt conveyor 35 includes a driving pulley 37, a plurality of driven pulleys 39,
It comprises a drive belt 37 and a mesh belt 41 wound around a plurality of driven pulleys 39. A motor 43 is connected to the drive pulley 37.

Above the left side of the mesh belt conveyor 35, a dust outlet 45 provided below the conveyor table 3 is provided. The coolant pump 21 and the filter paper take-up reel 25 are
7 is covered.

With the above structure, the coolant (cooling water) containing dust D generated when the work W is deburred by the wet deburring machine 1 is provided with a dust discharge provided below the conveyor table 3. The dust D flows from the outlet 45 onto the mesh belt 41 of the mesh belt conveyor 35 and temporarily accumulates on the mesh belt 41. And
The dust D once accumulated on the mesh belt 41 is driven by the motor 43 so that the mesh D
Are driven clockwise in FIG. 1 and are accommodated in the dust box 31.

Further, a coolant (cooling water) containing fine dust D flowing downward from the mesh belt 41 is provided.
The fine dust D flowing to the filter paper P is removed by the filter paper P. Moreover, the coolant (cooling water) filtered by the filter paper P
Accumulates in the tank 19. The coolant (cooling water) in the tank 19 is circulated by the coolant pump 21 through the hose 23 via the hose 23 so as to be circulated and used repeatedly.

When the motor 29 is driven,
When the pair of feed rollers 27 are rotated, the used portion of the filter paper P is sent out and stored in the dust box 31. As shown in FIG. 3, the frame 49 supporting the filter paper take-up reel 25 is provided with photoelectric switches 51A and 51B as an example of a remaining amount detection sensor for detecting the remaining amount of the filter paper P. ing. Therefore, for example, when the light emitted from the photoelectric switch 51A is received by the photoelectric switch 51B, it is possible to detect that the filter paper P has run out. Thus, the filter paper P can be replaced with a new one.

As shown in FIG. 4, in the float ball device 33, a support frame 53 is erected on one end of the tank 19, for example, on the left side wall in FIG. One end of the arm 55 is attached by a hinge pin 57, and a float ball 59 is attached to the other end of the arm 55. An upper limit switch 61 as an example of a water level sensor is provided above the support frame 53. The filter paper P
A support plate 63 for supporting the filter paper P is provided at a lower part of the filter paper P.

According to the above configuration, when the water level of the filter paper P rises, the arm 55 rises with the hinge pin 57 as a fulcrum, so that the float ball 59 also rises and the arm 55 hits the limit switch 61 to lower the water level. At the same time, the motor 29 is driven to rotate the pair of feed rollers 27, so that the used portion of the filter paper P is sent out and stored in the dust box 31.

An inclined plate 65 inclined downward is provided in the mesh belt conveyor 35. Therefore, the coolant (cooling water) containing the fine dust D flowing from the mesh belt conveyor 35 can easily flow from the inclined plate 65 onto the filter paper P.

FIG. 5 shows another embodiment of a remaining amount detecting sensor for detecting the remaining amount of the filter paper P. FIG.
, A limit switch 67 is provided inside the right frame 49, and a dog 69 is provided inside the right frame 49 so as to be swingable with the hinge pin 71 as a fulcrum. The tip of the dog 69 is in contact with the filter paper P wound on the filter paper take-up reel 25.

Therefore, the filter paper take-up reel 25
When the filter paper P is sent out and the filter paper P is reduced, the dog 69 descends with the hinge pin 71 as a fulcrum, and the dog 69 comes into contact with the limit switch 67 to confirm that the filter paper P has disappeared. Can be detected.

Next, the operation of the automatic dust collector 17 will be described with reference to the flowchart shown in FIG. 6. In step S1, the start button of the deburring grindstone 13 is turned on. Then, step S2, step S3
Then, the rotation motor of the deburring grindstone 13 is turned on, and the rotation motor of the mesh belt 41 is turned on. Therefore, deburring is performed in step S2. Then, when the deburring process is performed, dust D is generated. In step S3, the large dust D is sent to the dust box 31.

After the step S2, when the fine dust D accumulates on the filter paper P in step S4 and the water level on the filter paper P rises, the limit switch 61 of the water level sensor is turned on, and the motor 29 of the filter paper P is turned on in step S5. Then, the filter paper P is wound up and the fine dust D is sent to the dust box 31. Next, at step S6, the motor 29 is automatically turned off by the timer. At the same time, when the amount of filter paper P decreases in step 7, the photoelectric switches 51A and 51B of the remaining amount detection sensor are turned on, and the motor 29 is turned off in step S8.

When the stop button of the deburring grindstone 13 or the emergency stop button is turned on in step S9, the rotating motor of the deburring grindstone 13 is turned off, and the motor 29 is turned off.
F, the motor 43 is turned off and the process ends.

Therefore, the dust D accumulated on the tank 19 is automatically put into the dust box 31 and the filter paper P is automatically wound up, so that the deburring process is performed without stopping the machine. The workability of the picking work can be improved. Further, the inclined plate 6 inclined downward in the mesh belt conveyor 35.
5, the mesh belt conveyor 35
Coolant (cooling water) containing fine dust D flowing from above can easily flow from the inclined plate 65 onto the filter paper P.

The present invention is not limited to the above-described embodiment of the present invention, but can be embodied in other modes by making appropriate changes.

[0039]

As will be understood from the above description of the embodiments of the present invention, according to the first aspect of the present invention, dust generated when a workpiece is deburred by a wet deburring machine. The contained coolant (cooling water) flows from the wet deburring machine onto the mesh belt conveyor, dust is dropped on the mesh belt conveyor, and the mesh belt conveyor is rotated and stored in the dust box.
In addition, coolant (cooling water) containing dust flowing on the mesh belt conveyor flows on the filter paper, and fine dust is removed by the filter paper. Moreover, the filtered coolant (cooling water) accumulates in the tank. Coolant (cooling water) in the tank is circulated to a wet deburring machine by a coolant pump and used repeatedly.

The filter paper is sent out from a filter paper take-up reel provided on one side of the tank by a rotation of a feed roller provided on the other side of the tank, and is provided below the feed roller. The used filter paper is stored in the dust box. At this time, since a remaining amount detection sensor for detecting the remaining amount of the filter paper wound on the filter paper take-up reel is provided, the remaining amount of the filter paper wound on the filter paper take-up reel is automatically detected. be able to.

Further, since a support plate for supporting the filter paper is provided and a water level sensor for detecting that the coolant has accumulated is provided above the support plate, the water level of the coolant in the tank is determined. Can be detected automatically.

Therefore, the dust accumulated on the tank is automatically put into the dust box and the filter paper is automatically wound up, so that the deburring work can be performed without stopping the machine, thereby performing deburring work. Performance can be improved. According to the invention of claim 2, since the inclined plate inclined downward is provided in the mesh belt conveyor, coolant (cooling water) containing fine dust flowing from above the mesh belt conveyor is removed from the inclined plate. It can be easily poured on filter paper.

According to the third aspect of the present invention, since the remaining amount detection sensor for detecting the remaining amount of the filter paper wound on the filter paper take-up reel is provided, the filter paper wound on the filter paper take-up reel is provided. Can be automatically detected.

[Brief description of the drawings]

FIG. 1 is a front view of a wet deburring machine and an automatic dust collector according to the present invention.

FIG. 2 is a view taken in the direction of the arrow II in FIG.

FIG. 3 is a view taken in the direction of the arrow III in FIG. 1;

FIG. 4 is a detailed explanatory view of a float ball device.

FIG. 5 is an explanatory diagram of another embodiment replacing FIG. 3;

FIG. 6 is a flowchart illustrating the operation of the automatic dust collector.

FIG. 7 is a front view of a conventional wet deburring machine and a dust collector.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wet deburring machine 17 Auto dust collector 19 Tank 21 Coolant pump 25 Filter paper take-up reel 27 Feed roller 31 Dust box 33 Float ball unit 35 Mesh belt conveyor 41 Mesh belt 51A, 51B Photoelectric switch (remaining amount detection sensor) 61 Limit switch Water level sensor) 63 Support plate 65 Inclined plate

Claims (3)

[Claims] 1. A tank for storing coolant under a wet deburring machine, a coolant pump for sending the coolant in the tank to the wet deburring machine is provided in the tank, and the wet deburring machine is provided with a coolant pump. A mesh belt conveyor inclined downward between the press and the tank, a filter paper take-up reel on which filter paper is taken up on one side of the tank, and a filter paper take-up reel on the other side of the tank. A feed roller for feeding filter paper from the feed roller is provided, a dust box is provided below the feed roller, a support plate for supporting the filter paper is provided, and a water level sensor for detecting that the coolant has accumulated above the support plate is provided. An auto dust collector for a wet deburring machine. 2. The mesh belt conveyor according to claim 1, further comprising an inclined plate inclined downward.
Auto dust collector for wet deburring machines in Japan. 3. The automatic dust collector according to claim 1, further comprising a remaining amount detection sensor for detecting a remaining amount of the filter paper wound on the filter paper take-up reel. .