JP3174426U - washing machine - Google Patents

Abstract

[PROBLEMS] To use a cleaning liquid having a specific gravity smaller than that of water and a fluid consisting of two layers of water without replacing the cleaning liquid by spraying the cleaning liquid and rinsing water by spraying the water, and sucking the upper cleaning liquid and lower layer water. A circulation type washing machine having switching means for switching the strainer for sucking up and down is provided.
A cleaning machine body 10 has a pallet storage chamber 10d, a fluid storage chamber 10c for storing a fluid composed of two layers of a cleaning liquid having a specific gravity smaller than water and water, a pump storage chamber 10e, and a porous liquid for spraying the cleaning liquid or water in a dispersed manner. Type manifold 3, holder 20 that switches the strainer 23 that sucks fluid into the side of the fluid storage chamber up and down, an air timer 1 that controls the air transmission time, a pump 2, and a drain valve on the lower side of the fluid storage chamber Has been.
[Selection] Figure 1

Description

  In the present invention, a conveying jig used for soldering a solder bath for mounting semiconductors, LEDs, and electronic components on a printed board is called a pallet. In a washing machine that performs cleaning by dispersion spraying of cleaning liquid and rinsing cleaning by dispersion spraying of water on the pallet on which the flux residue is adhered, a drive source of a pump that is a fluid control means for sucking and discharging the cleaning liquid and water is an electric source. Instead of air, provided an air timer to control the air transmission time, cleaning fluid with less specific gravity than water and water without replacing the fluid for cleaning by dispersed spraying of cleaning fluid and rinsing by dispersing water spray The present invention relates to a washing machine provided with a switching means that uses a fluid composed of two layers to switch the upper and lower cleaning liquid suction and the lower water suction strainer up and down.

  A washing machine that performs cleaning by spraying a nozzle cleaning liquid on a pallet with flux residue used for soldering a solder tank for mounting semiconductors, LEDs, and electronic components on a printed circuit board. It is equipped with a nozzle, a nozzle for spraying cleaning liquid on the pallet from above, and a cleaning liquid circulation device for circulating the cleaning liquid after cleaning the pallet via a storage tank / pump. Wash the pallet with. This apparatus is a cleaning machine that uses only a cleaning liquid because cleaning is performed by spraying a cleaning liquid on a nozzle in cleaning the pallet.

  For example, according to Japanese Patent Application Laid-Open No. 2008-296085, a rack for placing a pallet, a nozzle for spraying a cleaning liquid on the pallet from above, a cleaning liquid after cleaning the pallet, a storage tank / pump There is disclosed a cleaning machine provided with a cleaning liquid circulating device for circulating through the air. In this cleaning machine, the cleaning liquid is sprayed onto the pallet placed on the gantry below by a nozzle from above to clean the pallet. And the sheet-like filter material for filtering the washing | cleaning liquid after wash | cleaning a pallet is provided under the mount frame. A cleaning liquid circulation device comprising a storage tank and a pump is provided below the pallet while circulating the cleaning liquid. Thus, the washing machine is for washing the pallet while circulating only the washing liquid. That is, the adhered flux residue is removed from the pallet cleaned by this cleaning machine. However, this time, the cleaning solution used for cleaning will remain attached.

  In general, a cleaning machine that performs cleaning by spraying nozzle cleaning liquid on a pallet with a flux residue used for soldering a solder bath for mounting semiconductors, LEDs, and electronic components on a printed circuit board, while circulating only the cleaning liquid Since the pallet is washed, the adhered flux residue is removed from the pallet washed by this washing machine. However, this time, there is a problem that the cleaning liquid used for cleaning remains attached.

JP 2008-296085 A

  For mounting the pallet as a cleaning machine that cleans the pallet with flux residue used for soldering the solder tank for mounting semiconductors, LEDs, and electronic components on the printed circuit board by spraying the nozzle cleaning liquid. A cleaning machine is disclosed that includes a gantry, a nozzle for spraying cleaning liquid on the pallet from above, and a cleaning liquid circulation device for circulating the cleaning liquid after cleaning the pallet via a storage tank / pump. ing. In this cleaning machine, the cleaning liquid is sprayed onto the pallet placed on the gantry below by a nozzle from above to clean the pallet. And the sheet-like filter material for filtering the washing | cleaning liquid after wash | cleaning a pallet is provided under the mount frame. A cleaning liquid circulation device comprising a storage tank and a pump is provided below the pallet while circulating the cleaning liquid. Thus, the washing machine is for washing the pallet while circulating only the washing liquid. That is, the adhering flux residue is removed from the pallet cleaned by the cleaning machine, but this time, the cleaning liquid used for cleaning remains attached.

  The present invention has been made in view of the above problems, and its purpose is that the drive source of the pump, which is a fluid control means for sucking and discharging the cleaning liquid and water, is air instead of electricity, and the air transmission time is reduced. The upper layer cleaning liquid uses a fluid consisting of two layers of water and a cleaning liquid with a specific gravity smaller than that of water, without replacing the cleaning fluid by spraying the cleaning liquid and the rinsing cleaning water by spraying the water. It is an object of the present invention to provide a circulation type washing machine provided with a switching means for switching the strainer for sucking water and the lower layer water to be turned up and down.

  The cleaning machine of the present invention includes a pallet storage chamber in the upper part of the cleaning machine body, a fluid storage chamber for storing a cleaning liquid having a specific gravity smaller than water and a fluid composed of two layers of water in the upper and lower intermediate parts of the cleaning machine body, and the cleaning machine body The upper part of the pump storage chamber and the upper side of the pallet storage chamber are a porous manifold that sprays and distributes the cleaning liquid, and the upper side of the fluid storage chamber is a strainer that sucks the upper layer of cleaning liquid and the lower layer of water. A rotary switching holder, an air timer for controlling the air transmission time on the upper surface of the main body of the cleaning machine, and a pump that is a fluid control means for sucking and discharging cleaning liquid and water in the pump housing chamber. , Air hose that transmits the supply of air to the pump via the drain valve, air timer on the lower side of the fluid storage chamber, suction of cleaning liquid and water Transmitting a suction hose, and a discharge hose for transmitting the discharge of the cleaning liquid and water.

  The cleaning machine of the present invention uses a cleaning liquid having a specific gravity lower than that of water and a fluid consisting of two layers of water without replacing the cleaning liquid by spraying the cleaning liquid on the pallet and the rinsing cleaning liquid by spraying the water. Because it is composed of a switching means that switches the strainer that sucks in water and the water in the lower layer up and down, it can be performed without moving the pallet each time cleaning with dispersed spray of cleaning liquid and rinsing with dispersed spray of water are performed. Can save time. In addition, since an air timer for controlling the air transmission time is provided, it is not necessary for the operator to always attend, and cleaning for a predetermined time can be performed automatically. Since there is one pallet storage chamber in the upper part of the cleaning machine main body and one fluid storage chamber for storing a fluid consisting of two layers of cleaning liquid and water having a specific gravity lower than water in the upper and lower intermediate parts of the cleaning machine main body Space saving is possible. Furthermore, since the pump drive source is air, the risk of explosion due to electrical switch sparks and electrical circuits can be avoided when organic solvents are used. In addition, it can be used in a place without electrical equipment.

  It is sectional drawing which showed roughly the washing machine at the time of the washing | cleaning liquid suction | inhalation in embodiment of this invention.   It is sectional drawing which showed roughly the washing machine at the time of water suction in embodiment of this invention.   It is an AA arrow enlarged view of FIG.   It is a BB arrow enlarged view of FIG.   It is the figure shown in order to demonstrate the pallet washing machine in a comparative example.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(Embodiment)
The configuration of the embodiment of the present invention will be described.

  In FIG. 1, the cleaning machine of the present invention has a pallet storage chamber 10 d at the top of the cleaning machine body 10, and a fluid composed of two layers of cleaning liquid 30 and water 31 having a specific gravity lower than that of water at the upper and lower intermediate parts of the cleaning machine body 10. A fluid storage chamber 10c for storage, a pump storage chamber 10e at the lower part of the washing machine body 10, a porous manifold 3 for spraying cleaning liquid 30 or water 31 at the upper side of the pallet storage chamber 10d, and a fluid storage chamber 10c. The side of the cleaning liquid suction is constructed as shown in the figure, comprising a holder 20 that pivots up and down the strainer 23 that sucks the upper layer cleaning liquid and the lower layer water into the side surface. FIG. 2 also shows the time of water suction. 3, the positions of the holder 20, the holder lever 21, and the strainer 23 when the cleaning liquid 30, dirt component 32, water 31, and impurities 33 in the fluid storage chamber 10c are sucked into the cleaning liquid are enlarged. In FIG. 4, the positions of the holder 20, the holder lever 21, and the strainer 23 when the cleaning liquid 30, the dirt component 32, the water 31, and the impurities 33 in the fluid storage chamber 10 c are sucked into the internal water are enlarged.

  As shown in FIG. 1, a fluid storage chamber 10 c including a lower fluid storage chamber lower plate 10 a and an upper fluid storage chamber upper plate 10 b is provided in the upper and lower intermediate portions of the cleaning machine body 10. A cleaning liquid 30 having a specific gravity smaller than water (for example, Pine Alpha 350VF: specific gravity 0.76) and water 31 (specific gravity 1.0) are stored in the fluid storage chamber 10c. The upper layer is the cleaning liquid 30 and the lower layer is the water 31 because of the light weight depending on the specific gravity. The fluid storage chamber upper plate 10b, which serves as the bottom partition of the pallet storage chamber 10d at the top of the washing machine body 10, has a punching metal shape. A manifold 3 having a plurality of manifold holes 3a for spraying the cleaning liquid 30 or spraying water 31 on the upper side of the pallet housing chamber 10d is provided with a left flange 3b on the left side of the cleaning machine main body and a right flange on the right side of the cleaning machine main body. 3c is supported. In addition, the pump 2 is attached to the pump housing chamber 10e below the washing machine body 10. Next, the air flow of operation will be described. The air hose 7 connected to the air compressor supply source 9 is connected to the air timer inlet 1b, and the transmission time is controlled by the timer knob 1a of the air timer 1. The air timer exhaust port 1c and the pump intake port 2a are connected by an air hose 7, and the pump 2 controls the intake and discharge of fluid by the intake of air and the exhaust from the pump exhaust port 2b. Next, the flow of the fluid in operation will be described. A strainer 23 for suction is connected to the strainer joint 22 and attached to the holder 20 with the holder lever 21 on the right side of the cleaning liquid 30 in the upper layer of the fluid storage chamber 10c. The end face of the suction hose 6a is connected to the holder 20 with the holder lever 21 that switches the strainer 23 up and down, and the other end face is connected to the pump suction port 2c. The pump discharge port 2d, the joint 4, and the flange right 3b are connected by the discharge hose 6b, and the spraying of the cleaning liquid 30 is performed from the plurality of manifold holes 3a. Then, the sprayed cleaning liquid passes through the fluid containing chamber upper plate 10b, returns to the cleaning liquid 30 in the upper layer of the fluid containing chamber 10c, and is sucked again by the strainer 23, and passes through the pump suction port 2c and the pump discharge port 2d. The spraying of the cleaning liquid 30 through the manifold hole 3a is repeated again. Initially, the fluid storage chamber 10c has two layers of cleaning liquid 30 and water 31 having a specific gravity smaller than that of water. By repeating the spraying of the cleaning liquid 30 on the pallet 8 in the pallet housing chamber 10d, the dirt component 32 and the impurities 33 are generated. The dirt component 32 is a reaction product of the flux remaining on the pallet 8, and the specific gravity is 0.76 <stain component <1.0, and a layer is formed between the cleaning liquid 30 and the water 31. Impurity 33 is a white metal salt insoluble in water produced by the reaction of tin of the lead-free solder alloy used in soldering the pallet 8 with flux rosin or organic acid, and has a specific gravity. 1.0 <impurity and a layer is formed under the water 31.

  As shown in FIG. 2, the strainer 23 that sucks into the layer of water 31 at the time of sucking water is set so that the holder lever 21 of the holder 20 to be rotated downwards, and the water 31 is dispersedly sprayed from the plurality of manifold holes 3a. Rinse washing with is repeated. In addition, when the cleaning liquid 30, the dirt component 32, the water 31, and the impurities 33 in the fluid storage chamber 10c are replaced, the fluid storage chamber lower plate 10a is inclined downward to the right, and the drain valve 5 is provided at the lower right end. 5a is turned and drained to another container.

  As shown in FIG. 3, the positions of the holder 20, the holder lever 21, and the strainer 23 when the cleaning liquid 30 is sucked are enlarged in the AA arrow enlarged view of FIG. 1. Since the cleaning liquid 30, dirt component 32, water 31, and impurities 33 are stored in the fluid storage chamber 10c from above, the strainer 23 is aligned with the cleaning liquid 30 layer so that the holder lever 21 of the holder 20 faces upward. Is set dynamically.

  As shown in FIG. 4, the positions of the holder 20, the holder lever 21, and the strainer 23 when the water 31 is sucked in are enlarged in the BB arrow enlarged view of FIG. 2. Since the cleaning liquid 30, the dirt component 32, the water 31, and the impurities 33 are stored in the fluid storage chamber 10 c from above, the strainer 23 is aligned with the water 31 layer and the holder lever 21 of the holder 20 is turned downward. Is set dynamically.

Next, the effect of this embodiment will be described in comparison with a comparative example.
As shown in FIG. 5, in the comparative example, compared to the present embodiment, a base 41 for placing the pallet, a nozzle 42 for spraying the cleaning liquid from above on the pallet, and the pallet A cleaning liquid circulation device 46 is provided for circulating the cleaning liquid 43 after cleaning through the storage tank 44. In this washing machine 40, the pallet is washed by spraying the washing liquid 43 onto the pallet placed on the base 41 under the nozzle 42 from above. And the sheet-like filter material 47 for filtering the washing | cleaning liquid after wash | cleaning a pallet is provided under the mount frame 41. FIG. A cleaning liquid circulation device 46 including a storage tank 44 and a pump 45 is provided below the pallet while circulating the cleaning liquid 43. In this way, the cleaning machine 40 is configured to clean the pallet while circulating only the cleaning liquid 43. The adhered flux residue is removed from the pallet cleaned by the cleaning machine 40, but this time, the cleaning liquid used for cleaning remains attached.

  On the other hand, according to the present embodiment, the cleaning machine of the present invention has a specific gravity higher than that of water without replacing the fluids of the cleaning liquid 30 with respect to the pallet 8 by the spraying of the cleaning liquid 30 and the rinse cleaning with the spraying of the water 31. Since the fluid composed of two layers of a small cleaning liquid and water is used, the upper cleaning liquid 30 is sucked in and the lower layer water 31 is sucked in and the strainer 23 is turned up and down. Since cleaning can be performed without moving the pallet 8 each time cleaning by dispersion spraying of the cleaning liquid 30 and rinsing cleaning by spraying water 31 is performed, the time can be greatly reduced. In addition, since the air timer 1 for controlling the air transmission time is provided, it is not necessary for the operator to always attend, and cleaning for a predetermined time can be performed automatically. One pallet storage chamber 10d is provided in the upper part of the cleaning machine main body 10, and one fluid storage chamber 10c is provided in the upper and lower intermediate parts of the cleaning machine main body for storing a fluid composed of two layers of cleaning liquid 30 and water 31 having a specific gravity smaller than that of water. Therefore, the installation space can be saved. Furthermore, since the drive source of the pump 2 is air, the risk of explosion due to electrical switch sparks or electrical circuits can be avoided when organic solvents are used. In addition, it can be used in a place without electrical equipment.

  The present invention can be applied particularly advantageously to a washing machine that performs washing by dispersion spraying of a cleaning liquid on a pallet and rinsing washing by dispersion spraying of water.

  1 air timer, 1a timer knob, 1b air timer intake port, 1c air timer exhaust port, 2 pump, 2a pump intake port, 2b pump exhaust port, 2c pump intake port, 2d pump discharge port, 3 manifold, 3a manifold hole, 3b Flange left, 3c Flange right, 4 Fitting, 5 Drain valve, 5a Handle, 6a Suction hose, 6b Discharge hose, 7 Air hose, 8 Pallet, 9 Air compressor supply source, 10 Main body of washing machine, 10a Below fluid storage chamber Plate, 10b Upper plate of fluid storage chamber, 10c Fluid storage chamber, 10d Pallet storage chamber, 10e Pump storage chamber, 20 Holder, 21 Holder lever, 22 Joint for strainer, 23 Strainer, 30 Cleaning fluid, 31 Water, 32 Dirt component, 33 Impurities, 40 washer, 1 frame, 42 a nozzle, 43 washings, 44 storage tank, 45 pump, 46 the washing liquid circulation device, 47 sheet-like filtering member,

Claims (3)

  An air transmission means for transmitting the supply of air; a fluid control means for taking in and discharging the air transmission means; and a fluid control means for sucking and discharging a fluid consisting of two layers of cleaning liquid and water having a specific gravity smaller than that of water by air driving; and Contains a fluid transmission means for transmitting, a switching means for switching the strainer for sucking the fluid up and down, a fluid dispersion spraying means for dispersing and spraying fluid among the fluid control means, and a pallet to be cleaned A pallet storage chamber, a fluid storage chamber for storing the fluid, a pump storage chamber for storing a pump as the fluid control means, and a fluid discharge means for discharging the fluid to the lower side of the fluid storage chamber .   The washing machine according to claim 1, further comprising an air timer for controlling an air transmission time between the air transmission means and the fluid control means.   The washing machine according to claim 1 or 2, wherein the bottom surface of the fluid storage chamber is inclined so that the fluid can be gradually discharged from the discharge port of the fluid discharge means.

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