TWM591893U - Contactless-type dust removal device - Google Patents

Abstract

A non-contact dust removal device is suitable for being installed on a surface and used to remove dust from a dust to be removed. The non-contact dust removal device includes a negative pressure body and a dust removal box. The negative pressure body cooperates with the surface to define a negative pressure space, and the negative pressure space is used for the dust to be removed. The dust-removing box includes a body surrounding a dust-removing space, at least one nozzle for blowing gas toward the object to be dust-removed, a gas supply duct for gas to enter the nozzle, and at least one for gas and dust The exhaust air duct and at least one static eliminator. The dust removal space communicates with the negative pressure space. The negative pressure space is used for placing the object to be dedusted, and the air pressure of the dedusting space and the negative pressure space is less than the external air pressure, which has the effect of improving the dedusting effect and wide use range.

Description

Non-contact dust removal device

The present invention relates to a cleaning device using air flow or gas flow, especially a non-contact dust removal device.

Existing non-contact dust removal devices can lift dust by blowing air toward the dust to be removed, such as a printed circuit board, and then remove the dust by suction to remove the dust. However, since the existing non-contact dust removal device is used for dust removal in an open space, the effect of sucking dust is limited. It is only suitable for objects to be removed with a small height drop and the jet distance must be maintained below 2mm. Not only is the dust removal effect poor, And the scope of application is limited.

Therefore, the purpose of the present invention is to provide a non-contact dust removal device with better dust removal effect and wider application range.

Therefore, the novel non-contact dust removal device is suitable for being installed on a surface and used for removing dust on the outer surface of a dust-removing object. The non-contact dust removal device includes a negative pressure body and a dust removal box. The negative pressure body is disposed on the surface and cooperates with the surface to define a negative pressure space, and the negative pressure space is used for the dust to be removed. The dedusting box is connected to the negative pressure box and includes a body surrounding a dedusting space, at least one spray head located in the dedusting space and used to blow out gas toward the object to be dedusted, and a nozzle connected to the spray head for gas to enter An air supply duct of the spray head, at least one exhaust duct connected to the dust removal space and used for discharging gas and dust, and at least one static eliminator located in the dust removal space and used for eliminating static electricity. The dust removal space is connected to the negative pressure space, and the air pressure between the dust removal space and the negative pressure space is less than the outside air pressure.

The effect of the present invention lies in that: the negative pressure body of the negative pressure box cooperates with the surface to define the negative pressure space for the dust to be removed, and the air pressure of the dust removal space and the negative pressure space is less than the external air pressure. Improve the dust removal effect and the wide range of effects.

Before the new model is described in detail, it should be noted that in the following description, similar elements are denoted by the same number, and in the following description, the conveying direction X, left-right direction Y, top-bottom direction Z It is based on the orientation shown in FIG. 1, and the conveying direction X, the left-right direction Y, and the top-bottom direction Z are substantially perpendicular to each other.

Referring to FIGS. 1 and 2, a first embodiment of the novel non-contact dust removal device is used to remove dust on the outer surface of an object to be removed (not shown). The non-contact dust removal device includes a conveying table 1, a negative pressure box 2, and a dust removal box 3.

The conveying table 1 is formed with a surface 11 and used to move the object to be dedusted along the conveying direction X. The conveying table 1 includes a base 12 and a conveying belt rotatably disposed on the base 12 along the conveying direction X 13, and a driver 14 for driving the conveyor belt 13 to rotate. The conveyor belt 13 is a loop belt.

The negative pressure box 2 is disposed on the surface 11 of the conveying table 1 along the top-bottom direction Z and includes a negative pressure body 21 and two stoppers 22. The negative pressure body 21 cooperates with the surface 11 to define a negative pressure space 23, which is used for placing the object to be dedusted, and has two openings 231 arranged in the conveying direction X in reverse. Each blocking member 22 is used to cover the respective opening 231 and has a blocking door 221 pivotally connected to the negative pressure body 21, and a cylinder 222 for pushing the blocking door 221, each blocking door 221 can be opened地 Shelving each opening 231.

Referring to FIG. 1, FIG. 3 and FIG. 4, the dust box 3 is disposed on the top side of the negative pressure box 2 along the top-bottom direction Z, and includes a body 32 surrounding a dust-removing space 31, and several dust-removing spaces. 31 and a nozzle 33 for blowing gas toward the object to be dedusted, an air supply duct 34 connected to the nozzles 33 and for supplying gas into the nozzle 33, and a gas supply duct 31 connected to the dedusting space 31 and for supplying gas and dust The discharged exhaust duct 35 and the static eliminator 36 located in the dust removal space 31 and used to eliminate static electricity.

The dust removal space 31 communicates with the negative pressure space 23, and the air pressure between the dust removal space 31 and the negative pressure space 23 is less than the outside air pressure. The dust-removing space 31 is divided into an air suction chamber 311 located above the spray head 33 and connected to the exhaust air duct 35, an air flow chamber 312 located below the spray head 33, and two connected to the air suction chamber 311 With respect to the suction channels 313 of the airflow chamber 312, the suction channels 313 are spaced apart in the conveying direction X and located on both sides of the spray head 33, respectively.

The body 32 has an exhaust frame 321 and two air guide ducts 322 connected to opposite sides of the exhaust frame 321 in the conveying direction X. The exhaust frame 321 defines the suction chamber 311 And, there are two slots 323 opposite to each other in the conveying direction X and communicating with the suction chamber 311, and each slot 323 extends along a left-right direction Y. The air guide ducts 322 are respectively connected to the slots 323 and the airflow chamber 312, and have two guide plates 324 which are spaced apart and extend outward and then downward. The guide plates 324 define the corresponding Suction channel 313.

In the first embodiment, the spray heads 33 are arranged on the bottom side of the exhaust frame 321 along the left-right direction Y, each spray head 33 can rotate on its own axis, and has two The jet port 331 of the air jet can improve the dust removal efficiency. However, in other variations, the number of the nozzles 33 and the air jet ports 331 may be one.

In the first embodiment, the exhaust duct 35 is disposed on one side of the body 32 along the left-right direction Y. However, in other variations, the number of the exhaust pipe may be two, and they are respectively provided on the left and right sides of the body 32 of the body 32, which can improve the dust removal effect.

In the first embodiment, the static eliminators 36 are arranged in two rows and are respectively located on two opposite sides of the nozzle 33 in the conveying direction X, and each row of the static eliminators 36 is spaced along the left and right direction Y However, in other variations, the number of such static eliminators 36 can also be one, which can also achieve the effect of eliminating static electricity.

The first embodiment is suitable for connecting an air supply blower (not shown) and an air suction blower (not shown) to remove dust on the outer surface of the object to be dedusted. The air supply blower is connected to the air supply duct 34, and the air intake blower is connected to the exhaust duct 35. The steps for removing dust in the first embodiment are as follows:

The object to be dedusted is placed on the conveyor belt 13 of the conveyor table 1, the drive 14 drives the conveyor belt 13 to rotate in the conveying direction X and drives the object to be dedusted to move toward the negative pressure box 2 along the conveying direction X, One of the cylinders 222 adjacent to the object to be dedusted pushes one of the shutters 221 so that the object to be dedusted enters the negative pressure space 23 from one of the openings 231, and the air supply blower passes through the air supply duct 34. The gas is delivered to the nozzles 33, and the air jets 331 are jetted toward the object to be dusted to raise the dust on the outer surface of the object to be dusted. The static eliminator 36 neutralizes the dust and the The charge on the outer surface of the object to be dedusted prevents the dust from being re-adsorbed to the object to be dedusted. At this time, the gas containing dust is attracted from the air flow chamber 312 to the suction chamber 311 by the suction channels 313, and the dust containing The gas is then discharged by the suction blower through the exhaust duct 35, and finally, the other cylinder 222 pushes the other shutter 221, so that the dust to be dedusted continues to be transported by the conveyor belt 13 in the transport direction X drives away from the negative pressure space 23.

Referring to FIGS. 2 and 5, a variation of the first embodiment replaces the equal blocking member 22 with a kind of curtain 22′, and each curtain 22′ has several extensions along the top-bottom direction Z and is flexible When the conveyor belt 13 drives the object to be dedusted toward the negative pressure box 2, the object to be dedusted can push away one of the barriers 22′ of the barrier 221′ and one of the The opening 231 enters the negative pressure space 23 of the negative pressure tank 2. The blocking pieces 221 ′ are a kind of flexible plastic sheet, which can be reset after being pushed open due to its flexibility, and also has the opening 231 to cover the openings 231 Effect. The blocking members 22 can also be replaced with a brush 22´´ as shown in FIG. 6, which has the same effect as the blocking curtains 22´.

It should be noted that in the first embodiment, the conveying platform 1 can facilitate the conveying of the object to be dedusted, but in other variations, the negative pressure tank 2 can also be provided on a table (not shown), The negative pressure space 23 can also be defined in cooperation with the table top for the dust to be removed to have the same dust removal effect, therefore, the conveyor table 1 can also be omitted.

In the present invention, the air pressure of the dust-removing space 31 and the negative pressure space 23 is less than the outside air pressure, and the object to be removed is placed in the negative pressure space 23 of the negative pressure box 2 so that the object to be removed does not contact the outside world. The dust-removing effect is improved and the object to be dust-removed which can be applied to different sizes and has a three-dimensional structure with a large height drop has a wide application range. Therefore, it is indeed possible to achieve a new type of cost.

7 and 8, a second embodiment of the new non-contact dust removal device is substantially the same as the first embodiment, except for:

The dust box 3 has two exhaust ducts 35, the exhaust ducts 35 are arranged at intervals on the top side of the dust box 3 along the left-right direction Y, and the exhaust frame 321' also has two on the top side And communicate with the exhaust holes 325 of the exhaust ducts 35 respectively. In addition to the same purpose and effect as the first embodiment, the second embodiment also has the effect of improving the dust removal effect. However, in other embodiments, the number of the exhaust air ducts 35 and the exhaust holes 325 may be one or more than two as required.

However, the above are only examples of the new model. When the scope of the new model cannot be limited by this, any simple equivalent changes and modifications made according to the patent application scope and patent specification content of the new model are still regarded as Within the scope of this new patent.

1: conveyor 11: Surface 12: seat body 13: Conveyor belt 14: Drive 2: Negative pressure box 21: negative pressure body 22: Stopper 22´: curtain 22´´: brush 221: Block the door 221´: Baffle 222: cylinder 23: Negative pressure space 231: opening 3: dust box 31: Dust removal space 311: Suction chamber 312: Airflow chamber 313: Inhalation channel 32: Ontology 321, 321´: exhaust frame 322: Diversion duct 323: Slotted 324: Guide plate 325: vent 33: nozzle 331: Jet port 34: Air supply duct 35: Exhaust duct 36: Static Eliminator X: conveying direction Y: left and right direction Z: top-bottom direction

Other features and functions of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: FIG. 1 is a perspective view illustrating a first embodiment of the novel non-contact dust removal device; 2 is an incomplete schematic side view illustrating that the two cylinders of the two stoppers of a negative pressure box of the first embodiment respectively push the two stoppers apart; 3 is an incomplete perspective view of the first embodiment; 4 is an incomplete cross-sectional view of the first embodiment; FIG. 5 is an incomplete side view illustrating a modification of the first embodiment; 6 is a view similar to FIG. 5, illustrating another variation of the first embodiment; 7 is a perspective view illustrating a second embodiment of the novel non-contact dust removal device; and FIG. 8 is an incomplete cross-sectional view of the second embodiment.

1: conveyor

11: Surface

2: Negative pressure box

21: negative pressure body

221: Block the door

23: Negative pressure space

231: opening

3: dust box

313: Inhalation channel

32: Ontology

321: Exhaust frame

322: Diversion duct

323: Slotted

324: Guide plate

33: nozzle

331: Jet port

31: Dust removal space

311: Suction chamber

312: Airflow chamber

36: Static Eliminator

X: conveying direction

Z: top-bottom direction

Claims (10)

A non-contact dust removal device is suitable for being installed on a surface and used to remove dust on the outer surface of a dust to be removed. The non-contact dust removal device includes: A negative pressure body is provided on the surface and cooperates with the surface to define a negative pressure space, the negative pressure space is used for the dust to be removed; and A dedusting box connected to the negative pressure box and comprising a body surrounding a dedusting space, at least one spray head located in the dedusting space and used for blowing gas toward the object to be dedusted, and a nozzle connected to the spray head and used for supplying gas An air supply duct into the spray head, at least one exhaust duct connected to the dust removal space for discharging gas and dust, and at least one static eliminator located in the dust removal space and used for eliminating static electricity, the dust removal space is connected to The negative pressure space, and the air pressure of the dust removal space and the negative pressure space is less than the external air pressure. The non-contact dust removing device according to claim 1, further comprising a conveying table provided on the bottom side of the negative pressure box in a top-to-bottom direction, and a negative pressure box including the negative pressure body, the conveying table is formed It has the surface and is used to move the object to be dedusted into a negative pressure space of the negative pressure box in a conveying direction, the conveying direction is substantially perpendicular to the top and bottom directions, and the negative pressure space has two in the conveying direction With the openings arranged in the reverse direction, the negative pressure box further includes two stoppers for shielding the openings. The non-contact dust removal device according to claim 2, wherein each stopper has a stopper pivotally connected to the negative pressure body, and a cylinder for pushing the stopper, each stopper can be opened The ground covers each opening. The non-contact dust removal device according to claim 2, wherein the conveying table includes a base, a conveying belt rotatably provided on the base along the conveying direction, and a driver for driving the conveying belt to rotate . The non-contact dust removal device according to claim 1, wherein the dust removal box is disposed on the top side of the negative pressure box along a top-bottom direction, and the dust removal space is divided into a position above the spray head and communicated with the exhaust An air suction chamber of the air duct, an air flow chamber located below the spray head, and two air suction channels connected to the air suction chamber and the air flow chamber, the air suction channels are spaced apart in a conveying direction and located respectively On both sides of the spray head, the conveying direction is substantially perpendicular to the top-bottom direction. The non-contact dust removal device according to claim 5, wherein the body of the dust removal box has an exhaust frame, and two air guide ducts respectively connected to opposite sides of the exhaust frame in the conveying direction, The exhaust frame surrounds the suction chamber, and has two slots that are spaced apart in the conveying direction and communicate with the suction chamber. Each slot extends in a left-right direction. The pipes are respectively connected to the slots and define the suction channels respectively. The conveying direction, the top-bottom direction and the left-right direction are substantially perpendicular to each other. The non-contact dust removal device according to claim 6, wherein the exhaust air duct is provided on one side of the body in the left-right direction. The non-contact dust removal device according to claim 6, wherein the exhaust duct is provided on the top side of the body, and the exhaust frame further has at least one exhaust located on the top side and communicating with the exhaust duct hole. The non-contact dust removal device according to claim 6, wherein each deflector duct has two spaced apart guide plates that extend outward and then downward, and the guide plates surround the corresponding suction channel . The non-contact dust removing device according to claim 2, wherein each stopper is a brush or a curtain, and each curtain has a plurality of flexible flaps extending in the top-bottom direction.

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