CN111871671B

CN111871671B - Powder spraying room

Info

Publication number: CN111871671B
Application number: CN202010754944.3A
Authority: CN
Inventors: 于东序
Original assignee: Shandong Zhongya Automobile Co ltd
Current assignee: Shandong Zhongya Automobile Co ltd; Yu Dongxu
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2022-08-19
Anticipated expiration: 2040-07-31
Also published as: CN111871671A; WO2022021845A1

Abstract

The invention belongs to the field of water-based paint spraying, and particularly provides a powder spraying room. The lower part of the automatic spraying chamber is provided with a powder recovery port which is connected with an exhaust fan; the lower part of the spray repair chamber is provided with a plurality of air blowing ports, and the air blowing ports are connected with an air blower through air pipes; the air blowing port faces the powder recovery port. According to the powder spraying room, the supplementary spraying chamber is arranged on one side of the automatic spraying chamber, the automatic spraying process and the supplementary spraying process are arranged at one position, and workers can conveniently and quickly perform supplementary spraying on a part to be sprayed. The powder of automatic spray chamber lower part is retrieved the mouth and can be quick effectual the automatic powder that spouts in the room, simultaneously, is provided with a plurality of air-blowing mouths in the benefit spray chamber, and this air-blowing mouth is retrieved the mouth to the powder, and the wind that the air-blower was bloated can blow the powder that drops on the benefit spray chamber diapire to the automatic powder that spouts in retrieving the mouth in, realizes the recovery of powder.

Description

Powder spraying room

Technical Field

The invention belongs to the technical field of powder spraying equipment, and particularly relates to a powder spraying room.

Background

Electrostatic powder spraying equipment generally feeds a powder to be sprayed into an inner cavity of a powder chamber along a predetermined track, and sprays the powder by using a spray gun. In the electrostatic powder spraying process, a reciprocating spray gun can be used for automatically spraying powder to the parts to be sprayed; however, because the powder to be sprayed is complex in structure, after the powder is sprayed by the reciprocating spray gun, the powder is required to be manually re-sprayed.

In the existing powder spraying room, the position of a manual supplementing spraying position is isolated from an inner cavity of an automatic spraying position of a reciprocating type spray gun, so that the influence on the health of workers due to excessive dust in the cavity of the automatic spraying position of the reciprocating type spray gun is avoided; however, separating the position of the manual compensation spraying from the position of the automatic spraying of the reciprocating type spray gun inevitably increases the cost of the powder electrostatic spraying equipment and also influences the spraying quality. Therefore, in the prior art, a window can be arranged on the cavity where the reciprocating type spray gun automatically sprays, and a worker can stretch the spray gun into the cavity of the powder room through the window to perform additional spraying, but the additional spraying is performed in the mode, so that the operation of the worker is greatly limited by space and visual field, and the additional spraying effect is poor.

Moreover, in the existing powder spraying room, a large amount of powder falls into the powder spraying room during powder spraying, which not only causes huge waste, but also affects the spraying environment of the powder spraying.

Disclosure of Invention

The invention aims to provide a powder spraying room to solve the problems of waste and environmental pollution caused by a large amount of powder falling into the powder spraying room when a reciprocating type spray gun automatically sprays and performs supplementary spraying in the prior art.

The powder spraying room comprises a powder room main body, wherein the front side wall and the rear side wall of the powder room main body are respectively provided with an inlet and an outlet for the to-be-sprayed member to pass through, the top wall of the powder room main body is provided with a notch, and a hanging chain for hanging the to-be-sprayed member passes through the notch. The powder chamber main body comprises an automatic spraying chamber and at least one auxiliary spraying chamber, wherein the auxiliary spraying chamber is positioned on one side of the automatic spraying chamber close to the outlet. The lower part of the automatic spraying chamber is provided with a powder recovery port which is connected with an exhaust fan; the lower part of the spray repair chamber is provided with a plurality of air blowing ports, and the air blowing ports are connected with an air blower through air pipes; the air blowing port faces the powder recovery port.

Preferably, a grating is arranged at an inlet close to the powder room main body, and the grating is connected with a controller; the automatic spray gun of the automatic spray chamber is a reciprocating spray gun which is connected with the controller.

Preferably, the front side wall and the rear side wall are both formed by a left door and a right door, and the strip-shaped gap between the left door and the right door is an inlet or an outlet.

Preferably, a left partition plate and a right partition plate are arranged between the automatic spraying chamber and the spray repairing chamber, a gap is reserved between the left partition plate and the right partition plate, and the gap is a passage through which the piece to be sprayed passes; at least one spray supplementing position is arranged between the left partition plate and the left door, and at least one spray supplementing position is arranged between the right partition plate and the right door; and the supplementary spraying position is provided with a lifting platform.

Still preferably, the width of the inlet and the width of the outlet are gradually reduced from top to bottom.

Preferably, the lower parts of the inlet and the outlet are also provided with reels, the reels are provided with rolling door cloth, two sides of the rolling door cloth are provided with slide blocks, the two slide blocks are connected through slide rods, and the rolling door cloth is connected with the slide rods; vertical slide ways are respectively arranged on the left door and the right door, and the sliding block is matched with the vertical slide ways; and a sliding block fixing piece for fixing the sliding block is arranged on the vertical sliding way.

Preferably, the left door and the right door are respectively connected with a translation mechanism, and the left door and the right door are driven by the translation mechanism to approach or separate from each other.

Preferably, the side walls of the two sides of the slot are respectively provided with a flexible part, and the hanging chain passes through the two flexible parts.

Preferably, the flexible part comprises a sponge, and the sponge is adhered and fixed on the side walls of the two sides of the slot; the sponge is coated with a cloth piece, and fluff is arranged on the cloth piece.

Preferably, the top wall of the powder chamber main body is provided with two rotating assemblies, each rotating assembly comprises a driving wheel, a driven wheel and a rotating ring, the driving wheel is connected with a servo motor, and the rotating ring is sleeved on the driving wheel and the driven wheel. The two rotating rings are in mirror symmetry by taking the slot as a central axis, and a plurality of rubber sheets are arranged on the rotating rings; the rubber sheets on the two rotating rings are abutted and cover the open grooves.

Compared with the prior art, the powder spraying room provided by the invention has the following beneficial effects:

above-mentioned powder spraying room sets up the benefit room of spouting in one side of automatic spray room, will spout the process automatically and the benefit sets up in one place of spouting the process, makes things convenient for the staff to carry out the benefit fast for waiting to spout the powder piece and spout. The automatic spray chamber lower part sets up the powder and retrieves the mouth, and the powder is retrieved the mouth and is connected the air exhauster, and the powder in the automatic spray chamber of above-mentioned powder recovery mouth can quick effectual recovery, simultaneously, is provided with a plurality of air-blowing mouths in the benefit spray chamber, and this air-blowing mouth is towards the powder recovery mouth, and the wind of air-blower drum play can be with the powder that drops on the benefit spray chamber diapire blow to the powder in the automatic spray chamber retrieve in the mouth, realizes the recovery of powder.

The powder spraying room provided by the invention can effectively collect powder falling in the automatic spraying room and the supplementary spraying room, improves the utilization rate of the powder, and also improves the environment of the powder spraying room. And the air blowing port and the air blower can form air flow from the supplementary spraying chamber to the automatic spraying chamber in the powder spraying chamber, so that powder is prevented from flowing out from the outlet or the inlet, and the environment outside the powder spraying chamber is prevented from being polluted by the powder.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

It is to be understood that the drawings in the following description are merely exemplary of the invention and that other drawings may be derived from the structure shown in the drawings by those skilled in the art without the exercise of inventive faculty.

FIG. 1 is a perspective view of a powder spray booth in an embodiment of the present invention.

FIG. 2 is a front view or a rear view of a powder spray booth according to an embodiment of the present invention.

FIG. 3 is a top view of a powder spray booth according to an embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name(s)	Reference numerals	Name (R)
				1	Automatic spray chamber	8	Right door
2	Spray repair chamber	9	Inlet or outlet
				3	Supplementary spraying position	10	Rolling door cloth
4	Slotting	11	Sliding bar
				5	Air blowing port	12	Sliding rail
6	Reciprocating spray gun	13	Rubber sheet
				7	Left door	14	Driving or driven wheels

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

It should be noted that all directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Examples

As shown in fig. 1, in the powder spraying room provided in this embodiment, the powder spraying room is used for spraying powder to a to-be-sprayed member, and the powder spraying room includes a powder room main body, a front side wall and a rear side wall of the powder room main body are respectively provided with an inlet and an outlet through which the to-be-sprayed member passes, a slot 4 is formed in a top wall of the powder room main body, and a hanging chain for hanging the to-be-sprayed member passes through the slot 4. In specific use, the lifting appliance hangs the to-be-sprayed powder piece through the hanging chain and carries the to-be-sprayed powder piece to move, and in the movement of the to-be-sprayed powder piece, the hanging chain moves from the front end to the rear end of the powder chamber main body through the open groove 4; the powder spraying part enters the powder room main body through the inlet, and the powder is sprayed and then runs to other working procedure positions through the outlet. In the powder spraying room, the powder room main body comprises an automatic spraying room 1 and at least one spray repairing room 2, wherein one spray repairing room 2 is positioned on one side of the automatic spraying room 1 close to the outlet so as to perform spray repairing on the position where powder is not sprayed; when two supplementary spraying chambers 2 are provided, the other supplementary spraying chamber 2 is positioned on one side of the automatic spraying chamber 1 close to the inlet, so that powder can be sprayed in advance at a position where the automatic spraying cannot be carried out. Of course, a supplementary spraying chamber 2 can be arranged on one side of the automatic spraying chamber 1 close to the inlet so as to pre-spray the predictable corners which cannot be sprayed by the automatic powder spraying. The lower part of the automatic spraying chamber 1 is provided with a powder recovery port which is connected with an exhaust fan; the lower part of the spray supplementing chamber 2 is provided with a plurality of air blowing ports 5, and the air blowing ports 5 are connected with a blower through air pipes; the air blowing port 5 faces the powder recovery port.

Above-mentioned powder spraying room sets up at one side of automatic spray booth 1 and mends spray booth 2, will spout the process with automatic and mend and spout the process setting in one department, makes things convenient for the staff to carry out the mend for waiting to spray powder the piece fast and spouts. The lower part of the automatic spraying chamber 1 is provided with a powder recovery port which is connected with an exhaust fan, and the powder recovery port can quickly and effectively recover powder in the automatic spraying chamber 1; simultaneously, be provided with a plurality of air-blowing openings 5 in the mending spray chamber 2, this air-blowing opening 5 is towards the powder and is retrieved the mouth, and the wind that the air-blower was bloated can blow the powder that drops on mending spray chamber 2 diapire in the powder recovery mouth in the automatic spray chamber 1, realizes the recovery of powder.

The powder room that spouts that this embodiment provided can effectively collect the powder that drops in automatic spray booth 1 and the supplementary spray booth 2, has improved the utilization ratio of powder, also improves the environment in powder room simultaneously. Moreover, the air blowing port 5 and the air blower are arranged, so that air flow from the supplementary spraying chamber 2 to the automatic spraying chamber 1 can be formed in the powder spraying chamber, the powder is prevented from flowing out from an outlet or an inlet, and the environment outside the powder spraying chamber is prevented from being polluted by the powder.

Specifically, in order to improve the accuracy of powder spraying in the automatic powder spraying chamber 1, a grating is arranged at an inlet close to the powder spraying chamber main body, the grating is connected with a controller, and the grating is used for acquiring the shape and position information of a to-be-sprayed powder and transmitting the acquired information to the controller; the automatic spray gun of the automatic spray chamber 1 is a reciprocating spray gun 6, the reciprocating spray gun 6 is connected with the controller, and the controller controls the reciprocating spray gun 6 to perform powder spraying operation according to information obtained by the grating.

Specifically, as shown in fig. 2, the front side wall and the rear side wall are both formed by a left door 7 and a right door 8, and a strip-shaped gap between the left door 7 and the right door 8 is an inlet or an outlet. Above-mentioned left door 7 and right door 8's setting can reduce the air that powder room main part preceding lateral wall and back lateral wall got into, and then better forms the negative pressure in powder room main part to retrieve the powder that drops and disperse in the air through the powder recovery mouth.

More specifically, as shown in fig. 1, in order to better protect the working personnel, improve the working environment of the working personnel, and simultaneously perform the additional spraying in time and improve the powder spraying effect, in this embodiment, a left partition plate and a right partition plate are arranged between the automatic spraying chamber 1 and the additional spraying chamber 2, a gap is left between the left partition plate and the right partition plate, and the gap is a passage through which the piece to be sprayed passes; at least one spray supplementing position 3 is arranged between the left partition plate and the left door 7, and at least one spray supplementing position 3 is arranged between the right partition plate and the right door 8; and a lifting platform is arranged on the supplementary spraying position 3. According to the above, the supplementary spraying position 3 is located between the left partition plate/the right partition plate and the left door 7/the right door 8, so that dispersed powder in the automatic spraying chamber 1 can be prevented from scattering to the supplementary spraying position 3, and the working environment of workers is improved.

More specifically, in order to form a negative pressure in the main powder chamber body, the width of the inlet and the width of the outlet are gradually reduced from top to bottom. In the present embodiment, as shown in fig. 2, in order to realize the above configuration, the sides of the left and

right doors

7 and 8 near the entrance or exit may be provided to extend obliquely outward from top to bottom. Through the mode, more air enters from the upper parts of the inlet and the outlet and is discharged from the powder recovery port, and the airflow from the upper ends of two sides to the powder recovery port in the middle of the bottom wall of the powder chamber main body is formed in the powder chamber main body, so that the powder dispersed in the air can be recovered and collected better, and the recovery rate is increased; and then, through the above setting, the supplementary spraying position 3 where the worker is located at the upper air inlet, so that the content of powder at the supplementary spraying position 3 can be reduced, and the working environment of the worker is improved.

More specifically, as shown in fig. 2, in order to further control the air flow direction and air pressure at each position in the powder chamber main body, in this embodiment, a reel is further disposed at the lower portion of the inlet and the outlet, a rolling door cloth 10 is disposed on the reel, two sides of the rolling door cloth 10 are provided with sliding blocks, the two sliding blocks are connected through a sliding rod 11, and the rolling door cloth 10 is connected with the sliding rod 11; the left door 7 and the right door 8 are respectively provided with a vertical slideway 12, and the sliding block is matched with the vertical slideway 12; and a sliding block fixing piece for fixing the sliding block is arranged on the vertical sliding way 12. The scroll can be used for rolling up or releasing the rolling door cloth 10, when in specific use, the staff can arrange the rolling door cloth 10 at the entrance or the exit from the bottom up as required, prevent that the air from entering the powder room main part from the entrance and the exit, finally form the condition that the lower part air pressure is low in the powder room main part, the upper part air pressure is high, the air flows downwards from the upper part, so as to collect the powder dispersed in the air, simultaneously also reduce the density of the powder in the air in the space where the staff is located, and prevent the powder from overflowing from the upper part of the powder spraying room.

More specifically, in the powder spraying room, the smaller the width of the inlet and the outlet is, the better the inlet and the outlet are, and in order to reduce the width of the inlet and the outlet, in this embodiment, the left door 7 and the right door 8 are respectively connected with a translation mechanism, the left door 7 and the right door 8 are driven by the translation mechanism to approach or leave, and a worker can translate the left door 7 and the right door 8 through the translation mechanism according to the width of the to-be-sprayed powder, so as to adjust the width of the inlet and the outlet, and reduce the amount of air entering from the inlet and the outlet.

Specifically, in the present embodiment, in order to locate the post-spraying position 3 at the upwind position, improve the working environment of the worker, and also in order to better collect the powder dispersed in the post-spraying chamber 2, in the present embodiment, the air entering from the top wall slot 4 should be minimized. For this reason, in this embodiment, as shown in fig. 3, the two side walls of the slot 4 are respectively provided with a flexible member, and the hanging chain passes through between the two flexible members, and the flexible members are arranged to block the slot 4, so as to prevent air from entering the powder chamber main body from the slot 4, so that more air enters from the upper parts of the two ends of the powder chamber main body, and further to form an air flow flowing from the upper parts of the two ends to the powder recovery port, and the air flow is arranged to make the powder recovery port more easily collect powder material diffused in the air of each position in the powder chamber main body, especially in the air of the after-spraying chamber 2; and moreover, the supplementary spraying position 3 can be positioned at the air inlet, so that the working environment of workers is improved. In addition, compared with the condition that air directly enters from the upper groove, the air flows downwards from two ends in an inclined mode, the influence on powder spraying is small, and the problem that the powder spraying on the upper portion and the lower portion of the part to be sprayed is uneven when the air directly flows downwards can be solved.

In this embodiment, the flexible member includes a sponge, and the sponge is adhered and fixed on the side walls of the two sides of the slot 4; the sponge is coated with a cloth piece, and fluff is arranged on the cloth piece. The sponge has larger elasticity and small resistance to the movement of the hanging chain; the fluff can block air from entering and also cannot block the movement of the hanging chain.

Of course, in order to block air from entering the powder chamber main body from the slot 4, another implementation manner in the present embodiment can be also used, as shown in fig. 3: the powder room is characterized in that two rotating assemblies are arranged on the top wall of the powder room main body, each rotating assembly comprises a driving wheel, a driven wheel and a rotating ring, the driving wheel is connected with a servo motor, and the rotating rings are sleeved on the driving wheel and the driven wheel. The two rotating rings are in mirror symmetry by taking the slot 4 as a central axis, and a plurality of rubber sheets 13 are arranged on the rotating rings; rubber blades 13 on both the rotating rings abut and cover the slots 4. In the above scheme, the driving wheel and the driven wheel drive the rotating rings to move, and the moving directions of the two surfaces, which are attached to each other, of the two rotating rings are consistent, that is, the moving directions of the two rubber sheets 13 which are abutted against each other are consistent. The rubber sheet 13 covers the slot 4, so that air can be prevented from entering the powder chamber main body from the slot 4, when a to-be-sprayed member moves, the hanging chain moves in the slot 4, the rubber sheet 13 moves along with the movement of the hanging chain, and certainly, in order to keep the movement of the rubber sheet 13 consistent with the movement of the hanging chain, the rotating speed of the servo motor is consistent with the movement speed of the accumulation and release chain of the hanging chain. Above-mentioned sheet rubber 13 except preventing that the air from the fluting 4 from getting into to realize the air current and retrieve the mouth motion from the both ends upper portion of powder room main part to the powder, can also the centre gripping chaining, prevent that the chaining from swaying, with the stability that improves the dusting. The rotating ring is provided with: a plurality of rubber sheets 13 are arranged on each rotating ring; the arrangement of a plurality of rubber sheets 13 is convenient for the hanging chain to be arranged at the gap of the adjacent rubber sheets 13. Meanwhile, a plurality of rubber sheets 13 are arranged, the rubber sheets 13 can be attached and distributed one by one, and when the rubber sheets 13 run to the turning position of the driving wheel or the driven wheel, the rubber sheets 13 can be separated; and when the rubber sheet 13 has and only one and cyclic annular fixes on the rotatory ring, the rubber sheet 13 must be by tensile deformation when moving to action wheel or driven wheel department, and the rubber sheet 13 has a plurality ofly, and the rubber sheet can separate when moving to action wheel or driven wheel department, can avoid the emergence of above-mentioned situation.

It is to be understood that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention, which is defined by the appended claims and their equivalents, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A powder spraying room is used for spraying powder to a to-be-sprayed part and comprises a powder room main body, wherein the front side wall and the rear side wall of the powder room main body are respectively provided with an inlet and an outlet for the to-be-sprayed part to pass through, the top wall of the powder room main body is provided with a slot, and a hanging chain for hanging the to-be-sprayed part passes through the slot;

the powder chamber is characterized in that the powder chamber main body comprises an automatic spraying chamber and at least one auxiliary spraying chamber, wherein one auxiliary spraying chamber is positioned on one side of the automatic spraying chamber, which is close to the outlet;

the lower part of the automatic spraying chamber is provided with a powder recovery port which is connected with an exhaust fan; the lower part of the spray repair chamber is provided with a plurality of air blowing ports, and the air blowing ports are connected with an air blower through air pipes; the air blowing port faces the powder recovery port;

the front side wall and the rear side wall are both formed by a left door and a right door, and a strip-shaped gap between the left door and the right door is an inlet or an outlet;

the width of the inlet and the width of the outlet are gradually reduced from top to bottom;

the lower parts of the inlet and the outlet are also provided with reels, the reels are provided with rolling door cloth, two sides of the rolling door cloth are provided with sliding blocks, the two sliding blocks are connected through a sliding rod, and the rolling door cloth is connected with the sliding rod; vertical slide ways are respectively arranged on the left door and the right door, and the sliding block is matched with the vertical slide ways; a sliding block fixing piece used for fixing the sliding block is arranged on the vertical slide way;

the side walls of the two sides of the slot are respectively provided with a flexible piece or two rotating assemblies for plugging the slot;

the flexible piece comprises a sponge, and the sponge is stuck and fixed on the side walls of the two sides of the slot; the sponge is coated with a cloth piece, fluff is arranged on the cloth piece, and the hanging chain passes through the space between the two flexible pieces;

the two rotating assemblies are arranged on the top wall of the powder chamber main body and comprise a driving wheel, a driven wheel and a rotating ring, the driving wheel is connected with a servo motor, and the rotating ring is sleeved on the driving wheel and the driven wheel; the two rotating rings are in mirror symmetry by taking the slot as a central axis, and a plurality of rubber sheets are arranged on the rotating rings; the rubber sheets on the two rotating rings are abutted and cover the open grooves.

2. The powder dusting house of claim 1,

a grating is arranged at the position close to the inlet of the powder chamber main body and is connected with a controller; the automatic spray gun of the automatic spray chamber is a reciprocating spray gun, and the reciprocating spray gun is connected with the controller.

3. The powder dusting house of claim 1,

a left partition plate and a right partition plate are arranged between the automatic spray chamber and the spray repair chamber, a gap is reserved between the left partition plate and the right partition plate, and the gap is a passage through which the to-be-sprayed member passes; at least one spray supplementing position is arranged between the left partition plate and the left door, and at least one spray supplementing position is arranged between the right partition plate and the right door; and a lifting platform is arranged on the supplementary spraying position.

4. The powder spray booth of claim 1,

the left door and the right door are respectively connected with a translation mechanism, and the left door and the right door are driven by the translation mechanism to be close to or far away from each other.