JPH0636766U - Pump device for work cleaning device - Google Patents

Abstract

(57) [Summary] [Object] An object of the present invention is to provide a pump device for a work cleaning device such as an IC mold that can efficiently suck up slurry. A pump device that is equipped in a work cleaning device that cleans the work by spraying pressurized water mixed with abrasive grains onto the work, in which a rotary shaft 12 is inserted into a tubular member 11 Radial blades 13 and 14 near the top and bottom
Is installed, the lower blade 14 is set to the flooded position, and the upper blade is
A cylindrical member 11 is provided with a discharge portion 15 for discharging the abrasive-containing water sucked up by rotating the upper blade plate 13 and the lower blade plate 14 to the outside by setting 13 above the lower blade plate 14 to a non-immersed position.
It was installed in.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a pump device for a work cleaning device.

[0002]

[Prior art]

 As a method of cleaning an IC mold or a work in which a plurality of IC packages having leads on the outer periphery are arranged side by side in a frame, there are conventionally known methods called a wet blast method and a shot blast method.

In this method, pressurized water or pressurized water containing abrasive grains (hereinafter, this mixed water is referred to as slurry) is sprayed onto the IC mold or other work to wash the IC mold or other works. .

Generally, a slurry is used to enhance the cleaning power, but since the abrasive grains are expensive, they are not thrown away, but the used slurry is circulated and reused. .

Specifically, as shown in FIG. 1, the cleaning unit 1 collects the slurry 5 sprayed on the IC mold and other works in a collection container 2 and sucks it up in a storage container 6 with a pump 3. The system will be reused again in the cleaning unit 1.

[0006]

[Problems to be solved by the device]

 By the way, when the slurry 5 is used, for example, the abrasive grains often block the inside of the continuous pipe 4 in FIG. 1 and sometimes interfere with the circulation system.

In order to prevent such a situation, until now, for example, a stirrer is provided in the cleaning unit 1 to prevent agglomerate abrasive grains from being introduced into the continuous pipe 4, and Pressurized air is introduced into the continuous pipe 4 in order to prevent the clogging of the continuous pipe 4.

Further, in the case of the conventional device, the pump 3 is disposed in the storage container 6 in a submerged state as shown in FIG. This is because if the pump is not placed in the flooded state but placed in the non-flooded state and placed above the liquid surface, a load is applied to the pump, and the pumping capacity must be increased, so that good suction cannot be achieved. When the pump 3 is installed in a flooded state as shown in FIG. 1, if the pump 3 is to be repaired, the slurry 5 must be discharged from the storage container 6, which is also very troublesome. .

The present invention solves such a point, and an object thereof is to provide an excellent pump device capable of achieving good circulation of slurry in a work cleaning device.

[0010]

[Means for Solving the Problems]

 The gist of the present invention will be described with reference to the accompanying drawings.

A pump device that is provided in a work cleaning device that cleans the work by spraying pressurized water mixed with abrasive grains onto the work, wherein a rotary shaft 12 is inserted into a tubular member 11 and the rotary shaft 12 The vane plates 13 and 14 are provided radially near the upper part and the lower part, the lower vane plate 14 is set at the flooded position, the upper vane plate 13 is set above the lower vane plate 14 and set at the non-flooded position. A pump device for a work cleaning device, characterized in that a cylindrical member (11) is provided with a discharge part (15) for discharging the water containing abrasive grains sucked up by rotating the plate (13) and the lower blade plate (14). is there.

[0012]

[Action]

 Since the lower vane plate 14 sucks up the slurry 24 while stirring, it does not suck up the lump-shaped abrasive grains.

Further, since the slurry 24 is sucked up by both the lower blade plate 14 and the upper blade plate 13, the main blade for sucking the upper blade plate 13 can be satisfactorily sucked even if it is arranged in a non-water-immersed position. Can be achieved, resulting in a more efficient pump device.

[0014]

【Example】

 FIG. 2 illustrates an embodiment of the present invention, which will be described below.

A drive motor 16 is connected to the upper portion of the tubular member 11, and a drive shaft 17 of the drive motor 16 faces the inside of the tubular member 11.

On the other hand, a rotary shaft 12 is inserted through the tubular member 11, and the upper end of the rotary shaft 12 is connected to the drive shaft 17 via a key 18.

Radially arranged upper vane plates 13 are fixed to the upper part of the rotary shaft 12, and lower radial plate 14 is similarly fixed to the lower part.

At the middle of the tubular member 11, the upper blade plate 13 is bulged to the outer shape to form a storage portion 19. The storage portion 19 is provided with a tubular discharge portion 15, and the discharge portion 15 is It is connected to the IC mold cleaning part (not shown).

A plurality of cutout grooves 20 are formed in the vertical direction on the outer periphery of the tubular member 11 near the lower end.

Reference numeral 21 is a fastening portion, 22 is a slurry introducing portion which is connected to the IC mold cleaning portion, 23 is a recovery container, and 23 ′ is a lid.

Since this embodiment has the above-mentioned configuration, the following operational effects are exhibited.

The slurry 24 in the recovery container 23 is sucked up by the rotation of the two upper blade plates 13 and the lower blade plate 14, and is discharged from the discharge portion 15.

Therefore, since the two upper blades 13 and the lower blades 14 suck up, the efficiency is improved accordingly, and the rotation of the lower blades 14 causes the abrasive particles to be deposited on the bottom of the recovery container 23. In this case, since the accumulated abrasive grains are agitated, it is possible to prevent the aggregated abrasive grains from being sucked up, and a turbulent air flow is generated in the vicinity of the notch groove 20 by the rotation of the lower blade plate 14 ( In particular, when the drive motor 16 starts to rotate and so-called turbulent air flow occurs at the time of rising), this turbulent air flow also exerts the action of breaking the accumulated abrasive grains.

In this embodiment, since the upper blade plate 13 is arranged above the slurry liquid level, the main upper blade plate 13 for sucking up, the drive motor 16, the drive shaft 17, and the rotating shaft. This makes it possible to repair the parts connected to 12 without discharging the slurry 24 in the collection container 23.

[0025]

[Effect of device]

 Since the present invention is configured as described above, it is possible to suck up the slurry extremely efficiently, and thus it is possible to provide a work cleaning apparatus in which the slurry can be circulated and used very favorably.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a conventional example.

FIG. 2 is a sectional view of the present embodiment.

[Explanation of symbols]

 11 Cylindrical member 12 Rotating shaft 13 Upper blade 14 Lower blade 15 Discharging section

Claims (1)

[Scope of utility model registration request] 1. A pump device for equipping a work cleaning device for spraying pressurized water containing abrasive grains onto a work to clean the work, wherein a rotary shaft is inserted into a tubular member and an upper part of the rotary shaft is inserted. Radial blades are provided near the bottom and near the bottom,
The lower blade is set to the flooded position, the upper blade is set above the lower blade to the non-immersed position, and the abrasive-containing water sucked up by rotating the upper blade and the lower blade to the outside. A pump device for a work cleaning device, characterized in that a discharge part for discharging is provided on a cylindrical member.