Outlet negative pressure cavity of double-sided PVDF (Polyvinylidene Fluoride) rotary spraying unit

Abstract

The utility model discloses a double-sided PVDF rotary spraying unit outlet negative pressure cavity which comprises a spraying unit, a spraying outlet is formed in one side of the spraying unit, pressure cavity shells are arranged on the inner side and the outer side of the spraying outlet, negative pressure cavities are formed in the pressure cavity shells, adsorption pipes are installed on the two sides in the pressure cavity shells, and a plurality of adsorption openings are formed in the adsorption pipes at equal intervals. One end of the outer side adsorption pipe is detachably connected with a first pipeline, one end of the inner side adsorption pipe is detachably connected with a second pipeline, a powder suction opening is formed in the spraying unit, the powder suction opening is detachably connected with a third pipeline, the third pipeline is detachably connected with a main pipeline, connecting pipes are arranged on the two sides of the main pipeline, and the first pipeline is detachably connected with the connecting pipe on one side. The second pipeline penetrates through the spraying unit and is detachably connected with the connecting pipe on the other side, the end, away from the third pipeline, of the main pipeline is connected with a dust collector, and the pipeline on one side of the dust collector is connected with a negative pressure fan.

Description

TECHNICAL FIELD

[0001] The utility model relates to spraying processing technical field, concretely is a double -sided PVDF rotary spraying unit export negative pressure chamber. BACKGROUND

[0002] In the traditional spraying unit design, the outlet is usually lack of effective dust and foreign matter processing mechanism, resulting in a large number of dust produced in the spraying process from the outlet, these pollutants not only will be adsorbed on the equipment around the spraying unit, cause the surface pollution of equipment, also can enter the inside of equipment, affect its normal operation, long-term accumulation of pollutants can significantly increase the failure rate of equipment, force the operator to clean and maintain frequently.

[0003] In the existing spraying unit design, the outlet is only provided with single-side negative pressure chamber, for adsorbing dust, paint mist etc. produced in the spraying process, part of small dust or high-speed airflow carried pollutants still can escape from the outside of outlet, at the same time, the adsorption range of single-side negative pressure chamber is limited, difficult to cover the whole outlet section area, especially when the spraying amount is large or airflow is turbulent, difficult to adsorb all dust.

[0004] Therefore, it is necessary to design a double-sided PVDF rotary spraying unit export negative pressure chamber with large adsorption amount and large adsorption range. CONTENT OF UTILITY MODEL

[0005] The utility model aims at providing a double-sided PVDF rotary spraying unit export negative pressure chamber to solve the problems in the above background.

[0006] In order to solve the above technical problem, the utility model provides the following technical scheme: a double-sided PVDF rotary spraying unit export negative pressure chamber, including spraying unit, the one side of spraying unit is provided with spraying outlet, the inside and outside of spraying outlet are provided with pressure chamber shell, the inside of pressure chamber shell is provided with negative pressure chamber, the both sides of the inside of pressure chamber shell are installed with adsorption pipe, a plurality of adsorption mouths are arranged at equal intervals on adsorption pipe, one end of adsorption pipe on the outside is detachably connected with first pipeline, one end of adsorption pipe on the inside is detachably connected with second pipeline, the spraying unit is provided with powder suction port, the powder suction port is detachably connected with third pipeline, the third pipeline is detachably connected with main pipeline, the both sides of main pipeline are provided with connecting pipe, the first pipeline is detachably connected with one side connecting pipe, the second pipeline passes through spraying unit and is detachably connected with the other side connecting pipe, the one end of main pipeline away from third pipeline is connected with dust collector, the one side pipeline of dust collector is connected with negative pressure fan.

[0007] According to the above technical scheme, the negative pressure fan is provided with air outlet pipe on the side away from the dust collector.

[0008] According to the technical scheme, the first pipeline, the second pipeline and the connecting pipeline are provided with the first quick connector convenient to disassemble, and the third pipeline and the main pipeline are provided with the second quick connector convenient to disassemble.

[0009] According to the technical scheme, the first quick connector and the second quick connector are embedded with the sealing ring preventing dust leakage at two ends.

[0010] According to the technical scheme, the pressure cavity shell comprises an adjustable baffle, a plurality of longitudinal slots are equidistantly arranged on the adjustable baffle, the pressure cavity shell is provided with screw holes corresponding to the longitudinal slots, and the screw holes are connected with the longitudinal slots through bolt cooperation.

[0011] According to the technical scheme, the first pipeline, the second pipeline and the third pipeline are all made of stainless steel.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] (1) the negative pressure cavity is arranged on the inner side and the outer side of the spraying outlet, the adsorption pipe and a plurality of adsorption ports are arranged in the negative pressure cavity, dust in the spraying unit can be efficiently adsorbed, the outer adsorption pipe is connected with the main pipeline through the first pipeline, the inner adsorption pipe is connected with the main pipeline through the second pipeline, and the dust is quickly collected into the dust collector by the suction force of the negative pressure fan, so that dust overflow is greatly reduced, the cleanliness of the working environment is effectively improved, and the health of the operator and the surrounding equipment are protected from the harm of dust.

[0014] (2) the first quick connector and the second quick connector are arranged, and the sealing ring is embedded at two ends of the connector, so that the connection between the pipelines is convenient, the equipment can be quickly disassembled when maintenance, cleaning or replacement of parts is required, the maintenance efficiency of the equipment is improved, and the sealing property of the connection is ensured by the sealing ring, so that dust leakage is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0016] Figure 1 is the structure composition schematic view of the utility model;

[0017] Figure 2 is the negative pressure cavity structure split schematic view of the utility model;

[0018] Figure 3 is the spraying unit internal structure split schematic view of the utility model;

[0019] Figure 4 is Figure 1 enlarged view of A in the figure;

[0020] In the figure: 10, spraying unit; 11, spraying outlet; 20, pressure cavity shell; 21, negative pressure cavity; 22, adsorption pipe; 23, adsorption port; 24, first pipeline; 25, second pipeline; 26, powder suction port; 27, third pipeline; 28, adjustable baffle; 30, main pipeline; 31, connecting pipe; 32, dust collector; 33, negative pressure fan; 34, air outlet pipe; 35, first quick connector; 36, second quick connector. DETAILED DESCRIPTION

[0021] In order to make the personnel in the art better understand the scheme of the utility model, the scheme in the embodiment of the utility model will be described clearly and completely below in combination with the drawings. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the utility model.

[0022] The utility model provides technical scheme: a double-sided PVDF rotary spraying unit outlet negative pressure cavity, including spraying unit 10, one side of spraying unit 10 is provided with spraying outlet 11, and both sides of spraying outlet 11 are provided with pressure cavity shell 20, and negative pressure cavity 21 is arranged in the inside of pressure cavity shell 20, and adsorption pipe 22 is installed on both sides in the inside of pressure cavity shell 20, and a plurality of adsorption ports 23 are arranged at equal intervals on adsorption pipe 22, and one end of outer adsorption pipe 22 is detachably connected with first pipeline 24, and one end of inner adsorption pipe 22 is detachably connected with second pipeline 25, and the upper surface of spraying unit 10 is provided with powder suction port 26, and third pipeline 27 is detachably connected on powder suction port 26, and third pipeline 27 is detachably connected with main pipeline 30, and both sides of main pipeline 30 are provided with connecting pipe 31, and first pipeline 24 is detachably connected with one side connecting pipe 31, and second pipeline 25 passes through spraying unit 10 and is detachably connected with the other side connecting pipe 31, and one end of main pipeline 30, away from third pipeline 27, is connected with dust collector 32, and one side pipeline of dust collector 32 is connected with negative pressure fan 33.

[0023] By the technical scheme, an effective negative pressure dust collection system can be constructed at the spraying outlet 11, the negative pressure cavities 21 are distributed on both sides of the spraying outlet 11, the dust escaping from the spraying outlet 11 is comprehensively and efficiently collected by the suction ports 23 on the suction pipes 22, the outer suction pipes 22 are connected to the connecting pipes 31 on both sides of the main pipe 30 through the first pipes 24, the inner suction pipes 22 are connected to the connecting pipes 31 on both sides of the main pipe 30 through the second pipes 25, and the third pipe 27 connected to the powder suction port 26 on the spraying unit 10, so that the whole negative pressure collection range covers the outlet and the inside of the spraying unit 10, the dust collection efficiency is improved, and the adverse effects of dust overflow on equipment and personnel are effectively reduced.

[0024] Further, the air outlet pipe 34 is arranged on the side, away from the dust collector 32, of the negative pressure fan 33.

[0025] By the technical scheme, when the negative pressure fan 33 is running, the air filtered and purified by the dust collector 32 can be discharged through the air outlet pipe 34, the stable air flow in the whole negative pressure system is maintained, the negative pressure fan 33 can continuously and efficiently generate negative pressure, and the purified air is discharged to a specified area, so that secondary pollution is avoided.

[0026] Further, the first quick connector 35 is arranged between the first pipe 24, the second pipe 25 and the connecting pipe 31, and the second quick connector 36 is arranged between the third pipe 27 and the main pipe 30.

[0027] By the technical scheme, when the equipment needs to be maintained, repaired or parts replaced, the first quick connector 35 and the second quick connector 36 can be quickly disassembled, so that the pipes can be separated, the inside of the pipes can be conveniently cleaned, and the damaged parts can be conveniently checked or replaced.

[0028] Further, the first quick connector 35 and the second quick connector 36 are embedded with sealing rings at both ends to prevent dust leakage.

[0029] By the technical scheme, the sealing rings can effectively fill the gaps at the connector positions to prevent dust leakage.

[0030] Further, the pressure cavity shell 20 comprises an adjustable baffle 28, the adjustable baffle 28 is equidistantly provided with a plurality of longitudinal slots, the pressure cavity shell 20 is provided with screw holes corresponding to the longitudinal slots, and the screw holes and the longitudinal slots are connected through bolt cooperation.

[0031] By the technical scheme, the operator can loosen the bolts to slide the adjustable baffle up and down along the longitudinal slots to adjust the position of the adjustable baffle, and then fasten the adjustable baffle 28 to control the opening and closing of the negative pressure cavities 21.

[0032] Further, the first pipe 24, the second pipe 25 and the third pipe 27 are made of stainless steel.

[0033] By the technical scheme, corrosive substances possibly existing in the dust are resisted, and problems such as rust and perforation of the pipeline are avoided.

[0034] Working principle: when the spraying unit 10 performs the spraying operation, a large amount of dust is generated, at this time, the negative pressure fan 33 is started, the negative pressure fan 33 operates to generate suction force, so that the whole system forms a negative pressure environment;

[0035] Under the action of the negative pressure, the dust near the spraying outlet 11 is sucked into the adsorption pipe 22 through the adsorption port 23, the dust in the outer adsorption pipe 22 flows into the connecting pipe 31 on one side of the main pipeline 30 through the first pipeline 24, and the dust in the inner adsorption pipe 22 flows into the connecting pipe 31 on the other side of the main pipeline 30 through the second pipeline 25 and the spraying unit 10;

[0036] At the same time, the remaining dust in the spraying unit 10 is sucked into the third pipeline 27 through the dust suction port 26 and then flows into the main pipeline 30, and the dust collected from different paths into the main pipeline 30 is transported to the dust collector 32 under the action of the negative pressure, and the dust collector 32 collects and processes the dust;

[0037] And the air outlet pipe 34 arranged on the side, away from the dust collector 32, of the negative pressure fan 33 discharges the treated air.

[0038] In the description of the utility model, it is to be explained that, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation and a specific orientation structure and operation, therefore, cannot be understood as limiting the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0039] In the description of the utility model, the description of reference term "an embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the utility model. In the utility model, the illustrative representation of the above-mentioned terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way. In addition, the person skilled in the art can combine the different embodiments or examples described in the utility model and the features of the different embodiments or examples without mutual contradiction.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A negative pressure chamber at the outlet of a double-sided PVDF rotary spraying unit, comprising a spraying unit (10), characterized in that: The spraying unit (10) has a spraying outlet (11) on one side. A pressure chamber housing (20) is provided on both the inner and outer sides of the spraying outlet (11). A negative pressure chamber (21) is provided inside the pressure chamber housing (20). Adsorption tubes (22) are installed on both sides inside the pressure chamber housing (20). Several adsorption ports (23) are equidistantly arranged on the adsorption tubes (22). One end of the outer adsorption tube (22) is detachably connected to a first pipe (24), and one end of the inner adsorption tube (22) is detachably connected to a second pipe (25). The spraying unit (10) is provided with a powder suction port (26). A third pipe (27) is detachably connected to the powder suction port (26). A main pipe (30) is detachably connected to the third pipe (27). Connecting pipes (31) are provided on both sides of the main pipe (30). The first pipe (24) is detachably connected to one side of the connecting pipe (31). The second pipe (25) passes through the spraying unit (10) and is detachably connected to the other side of the connecting pipe (31). A dust collector (32) is connected to the end of the main pipe (30) away from the third pipe (27). A negative pressure fan (33) is connected to one side of the dust collector (32).

2. The negative pressure chamber at the outlet of a double-sided PVDF rotary spraying unit according to claim 1, characterized in that: The negative pressure fan (33) has an air outlet pipe (34) on the side away from the dust collector (32).

3. The negative pressure chamber at the outlet of a double-sided PVDF rotary spraying unit according to claim 1, characterized in that: A first quick-connector (35) for easy disassembly is provided between the first pipe (24), the second pipe (25) and the connecting pipe (31), and a second quick-connector (36) for easy disassembly is provided between the third pipe (27) and the main pipe (30).

4. The negative pressure chamber at the outlet of a double-sided PVDF rotary spraying unit according to claim 3, characterized in that: Both ends of the first quick-connect connector (35) and the second quick-connect connector (36) are fitted with sealing rings to prevent dust leakage.

5. The negative pressure chamber at the outlet of a double-sided PVDF rotary spraying unit according to claim 1, characterized in that: The pressure chamber housing (20) includes an adjustable baffle (28), which is provided with a plurality of longitudinal slots at equal intervals. The pressure chamber housing (20) is provided with screw holes corresponding to the longitudinal slots, and the screw holes are connected to the longitudinal slots by bolts.

6. The negative pressure chamber at the outlet of a double-sided PVDF rotary spraying unit according to claim 1, characterized in that: The first pipe (24), the second pipe (25) and the third pipe (27) are all made of stainless steel.

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