CN212979172U

CN212979172U - Powder coating extrudes belt cleaning device

Info

Publication number: CN212979172U
Application number: CN202021260142.9U
Authority: CN
Inventors: 黎镪
Original assignee: Guangxi Meizhan New Material Technology Co Ltd
Current assignee: Guangxi Meizhan New Material Technology Co Ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-04-16
Anticipated expiration: 2030-07-01

Abstract

The utility model belongs to the technical field of powder coating processing machinery, in particular to a powder coating extrusion cleaning device, which comprises a screw barrel structure, a screw rod, a cleaning structure, a feeding pipe, a discharging pipe and a motor; the utility model discloses powder coating extrudes belt cleaning device need not unpack apart the extruder and just can wash the screw rod, effectively clears away the material that long-time stop gelatinizes or solidifies in the spiral shell section of thick bamboo structure, and a large amount of labours have been practiced thrift to the transport efficiency of guarantee screw rod, have improved work efficiency, are favorable to production to develop, have ensured the effect of extruding of material.

Description

Powder coating extrudes belt cleaning device

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of powder coating processing machinery, concretely relates to powder coating extrudes belt cleaning device.

[ background of the invention ]

The powder coating is a novel solvent-free 100% solid powder coating, and has the characteristics of no solvent, no pollution, recoverability, environmental protection, energy and resource saving, labor intensity reduction, high mechanical strength of film coating and the like. The powder coating comprises thermoplastic powder coating and thermosetting powder coating, wherein the production of the thermosetting powder coating comprises the processes of raw material preparation, premixing, melt extrusion, cooling grinding, sieving and the like. The powder coating is generally produced by mixing raw materials, melt-crosslinking the raw materials by an extrusion device, extruding the molten material by a tabletting device to form a sheet, cooling, pulverizing, and grinding. The material after the film clamp extrusion melting makes its shape become the slice, the temperature of material is very high this moment, among the prior art, powder coating uses screw extruder to extrude after melting the powder usually in process of production, interact has produced a large amount of heats between inside screw rod and the spiral shell section of thick bamboo structure, so the temperature on the screw rod can be higher than softening temperature far away, the raw materials can demonstrate its viscidity characteristic after the temperature is high to certain degree, raw and other materials can be attached to on the screw rod this moment, make the screw rod can not drive raw and other materials and go out from the extruder, the material stops for a long time and glues or the solidification in the spiral shell section of thick bamboo structure, make the conveying efficiency of screw rod step down.

The material is attached to the screw rod of extruder very easily in the extruder, if not clear up for a long time, not only can extrude the material in later stage and produce great influence, long-term the use makes the extruder effect that can not reach the analysis very easily, and the coating quality who makes production is unqualified moreover, and at present, often unpack the extruder apart with the washing of extruder and clear up, though this kind of mode can wash thoroughly, but need consume a large amount of labours, work efficiency has been reduced, and it is unfavorable for developing to make production.

[ Utility model ] content

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a powder coating extrusion cleaning device comprises a screw barrel structure, a screw rod, a cleaning structure, a feeding pipe, a discharging pipe and a motor;

the screw barrel structure is sequentially provided with a first cavity and a second cavity from outside to inside, and the second cavity is arranged in the first cavity; the screw is arranged in the second cavity; two ends of the screw are rotationally connected with the second cavity; the motor is fixedly connected with the screw; the feeding pipe and the discharging pipe are respectively communicated with the second cavity. The feed pipe and the discharge pipe are respectively arranged at two ends of the second cavity.

The cleaning structure comprises a plurality of springs, a plurality of cleaning holes, a plurality of hole covers, a water tank, a water pump and a cleaning pipe; the cleaning holes are arranged on the second cavity, and each hole cover is rotatably accommodated in the corresponding cleaning hole; one end of each hole cover is hinged with the corresponding cleaning hole, and the other end of each hole cover is fixedly connected with the corresponding spring; one end of each spring is fixedly connected with the first cavity, and the other end of each spring is fixedly connected with the hole cover; the scavenge pipe both ends and first cavity intercommunication, water tank and water pump all set up on the scavenge pipe and all communicate with the scavenge pipe.

Water is arranged in the cleaning pipe and the water tank. Water is arranged between the first cavity and the second cavity.

Preferably, an electric valve is arranged on each of the cleaning pipe, the feeding pipe and the discharging pipe.

Preferably, the water pump is a booster pump.

Preferably, the powder coating extrusion cleaning device further comprises a first layer body and a second layer body; the first layer body is fixedly connected with the hole cover, and the second layer body is fixedly connected with the first layer body; the first layer body is arranged between the second layer body and the hole cover. The first layer body is made of elastic material, and the second layer body is made of wear-resistant material. The surface areas of the first layer body and the second layer body are both larger than the area of the cleaning hole. The first layer body and the second layer body are contained in the second cavity body.

Preferably, the first layer body is made of rubber, and the second layer body is made of wear-resistant steel plates.

Compared with the prior art, the utility model discloses powder coating extrudes belt cleaning device need not unpack apart the extruder and just can wash the screw rod, effectively clears away the material that glues or solidify for a long time in the screw barrel structure, and the conveying efficiency of guarantee screw rod has practiced thrift a large amount of labours, has improved work efficiency, is favorable to production to develop, has ensured the effect of extruding of material.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of the powder coating extrusion cleaning device of the present invention.

Fig. 2 is a schematic structural view of a partial cross section of the screw barrel structure of the powder coating extrusion cleaning device of the present invention.

FIG. 3 is a schematic view of the sectional structure of the screw barrel structure of the powder coating extrusion cleaning device

Fig. 4 is a schematic structural view of the hole cover, the first layer and the second layer of the powder coating extrusion cleaning device of the present invention.

Description of the main elements

Screw tube structure 1	Screw 2	Cleaning structure 3
			Feed pipe 4	Discharge pipe 5	Electric machine 6
First chamber 11	Second chamber 12	Spring 31
			Cleaning hole 32	Hole cover 33	Water tank 34
Water pump 35	Cleaning tube 36	First layer body 331
			Second layer 332	Electric valve 7

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

[ detailed description ] embodiments

Clearly, and completely, it is to be understood that the described embodiments are merely illustrative of some, but not all, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the 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 motion situation, etc. in a specific posture (as shown in the drawings), 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 for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments 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, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, a powder coating extrusion cleaning device includes a screw barrel structure 1, a screw 2, a cleaning structure 3, a feeding pipe 4, a discharging pipe 5, and a motor 6;

the screw barrel structure 1 is sequentially provided with a first cavity 11 and a second cavity 12 from outside to inside, and the second cavity 12 is arranged in the first cavity 11; the screw 2 is arranged in the second cavity 12; two ends of the screw rod 2 are rotationally connected with the second cavity 12; a motor shaft of the motor 6 is fixedly connected with the screw rod 2; the feeding pipe 4 and the discharging pipe 5 are respectively communicated with the second cavity 12. The feeding pipe 4 and the discharging pipe 5 are respectively arranged at two ends of the second cavity 12.

In this embodiment, the first cavity 11 and the second cavity 12 are both hollow cylindrical structures, the first cavity 11 and the second cavity 12 are horizontally disposed, the feeding pipe 4 is disposed at the top of the second cavity 12, and the discharging pipe 5 is disposed at the bottom of the second cavity 12.

The cleaning structure 3 comprises a plurality of springs 31, a plurality of cleaning holes 32, a plurality of hole covers 33, a water tank 34, a water pump 35 and a cleaning pipe 36; the cleaning holes 32 are arranged on the second cavity 12, the cleaning holes 32 are communicated with the first cavity 11, and each hole cover 33 is rotatably accommodated in the corresponding cleaning hole 32; in this embodiment, one end of each hole cover 33 is hinged with the corresponding cleaning hole 32, and the other end is fixedly connected with the corresponding spring 31; one end of each spring 31 is fixedly connected with the first cavity 11, and the other end is fixedly connected with the hole cover 33; both ends of the cleaning pipe 36 are communicated with the first cavity 11, and the water tank 34 and the water pump 35 are both arranged on the cleaning pipe 36 and are both communicated with the cleaning pipe 36.

In this embodiment, water is provided in both the cleaning pipe 36 and the water tank 34. Water is provided between the first cavity 11 and the second cavity 12.

In this embodiment, the purge pipe 36, the feeding pipe 4, and the discharging pipe 5 are all provided with an electric valve 7.

Referring to fig. 4, in the present embodiment, the powder coating extrusion cleaning apparatus further includes a first layer 331 and a second layer 332; the first layer body 331 is fixedly connected with the hole cover 33, and the second layer body 332 is fixedly connected with the first layer body 331; the first layer 331 is disposed between the second layer 332 and the hole cover 33. The first layer 331 is made of an elastic material, and the second layer 332 is made of a wear-resistant material. The surface areas of the first layer 331 and the second layer 332 are larger than the area of the cleaning holes 32. The first layer 331 and the second layer 332 are contained in the second cavity 12. In this embodiment, the hole cover 33, the first layer 331 and the second layer 332 are all circular plate-shaped structures. The thickness of the first layer 331 and the second layer 332 is 0.1-1 mm.

When the powder coating extrusion cleaning device is normally used, the electric valves 7 on the cleaning pipe 36, the feeding pipe 4 and the discharging pipe 5 are all in an open state. The raw material is put into the second cavity 12 from the feeding pipe 4, the starting motor 6 drives the screw rod 2 to rotate in the second cavity 12, the screw rod 2 extrudes the raw material in the second cavity 12, and the raw material is discharged from the discharging pipe 5 along with the rotation of the screw rod 2 after the extrusion is finished. When the spring 33 is not subjected to an external force, the hole cover 33 is accommodated in the corresponding cleaning hole 32 to seal the corresponding cleaning hole 32.

When the gelled or solidified material adhered to the screw 2 needs to be cleaned, the motor-operated valve 7 on the cleaning pipe 36 is closed. The water pump 35 is started to pump the water in the water tank 34 into the space between the first cavity 11 and the second cavity 12, the water between the first cavity 11 and the second cavity 12 is pressurized, one end of the hole cover 33 is pushed into the second cavity 12 by the pressurized water, the spring 31 is stressed to be in a stretching state, and the water is sprayed into the second cavity 12 from the cleaning hole 32 to wash the screw 2; the washed and dropped gelled or solidified raw material and water are discharged from the discharge pipe 5. After the washing is finished, the water pump 35 is stopped, the water pressure between the first chamber 11 and the second chamber 12 is restored to normal, the stretched spring 31 is restored to the original length, the hole cover 33 is pulled into the corresponding cleaning hole 32 again, and the corresponding cleaning hole 32 is sealed.

Meanwhile, the powder coating extrusion cleaning device is also provided with a first layer body 331 and a second layer body 332; the surface areas of the first layer 331 and the second layer 332 are larger than the area of the cleaning holes 32. The first layer 331 and the second layer 332 are contained in the second cavity 12. When the powder coating extrusion cleaning device extrudes the raw materials, the hole cover 33 is not pushed into the first cavity 11 by the raw materials in the second cavity 12, and the raw materials are prevented from entering the first cavity 11 from the cleaning hole 32.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. A powder coating extrusion cleaning device is characterized by comprising a screw barrel structure, a screw rod, a cleaning structure, a feeding pipe, a discharging pipe and a motor;

the screw barrel structure is sequentially provided with a first cavity and a second cavity from outside to inside, and the second cavity is arranged in the first cavity; the screw is arranged in the second cavity; two ends of the screw are rotationally connected with the second cavity; the motor is fixedly connected with the screw; the feeding pipe and the discharging pipe are respectively communicated with the second cavity; the feeding pipe and the discharging pipe are respectively arranged at two ends of the second cavity;

2. The powder coating extrusion cleaning device of claim 1, further comprising a first layer and a second layer; the first layer body is fixedly connected with the hole cover, and the second layer body is fixedly connected with the first layer body; the first layer body is arranged between the second layer body and the hole cover; the surface areas of the first layer body and the second layer body are larger than the area of the cleaning hole; the first layer body and the second layer body are contained in the second cavity body.

3. The extrusion cleaning apparatus for powder paint as claimed in claim 2, wherein the first layer is made of an elastic material and the second layer is made of an abrasion resistant material.

4. The extrusion cleaning apparatus for powder paint as claimed in claim 1, wherein the cleaning pipe, the feeding pipe and the discharging pipe are provided with an electric valve.