CN212979193U

CN212979193U - Powder coating extrusion cooling machine

Info

Publication number: CN212979193U
Application number: CN202021265253.9U
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 cooling machine, which comprises a screw barrel structure, a screw rod, a feed inlet, a discharge outlet, a driving motor and a radiator; a first cavity is arranged in the screw barrel structure, and a second cavity is arranged in the first cavity; the utility model discloses powder coating extrusion cooling machine has avoided the raw materials to adhere to on the screw rod because the high temperature in the pressurization process through the cooling to screw rod and first cavity to maintain the temperature of screw rod and spiral shell section of thick bamboo structure at the in-process of extrusion raw materials, ensured the effect of extruding of material.

Description

Powder coating extrusion cooling machine

[ 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 extrusion cooling machine.

[ 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.

[ Utility model ] content

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

a powder coating extrusion cooler comprises a screw barrel structure, a screw, a feeding hole, a discharging hole, a driving motor and a radiator; the screw barrel structure comprises a first cavity and a second cavity, the first cavity and the second cavity are sequentially arranged from outside to inside, and the second cavity is arranged in the first cavity; the screw is arranged in the second cavity; the feed inlet and the discharge outlet are both fixedly connected with the screw barrel structure, the feed inlet and the discharge outlet are both communicated with the second cavity, and a motor shaft of the driving motor is fixedly connected with the driving gear; the screw rod is of a hollow structure, and two ends of the screw rod are rotatably connected with the rotary joint; one end of the screw is fixedly connected with the rotating gear, and a rotating joint is accommodated in the rotating gear; the driving gear is meshed with the rotating gear;

the screw is provided with a water inlet pipe and a water outlet pipe. One end of the screw is rotationally connected with the water inlet pipe through a rotary joint, and the other end of the screw is communicated with the water outlet pipe through a rotary joint. The water inlet pipe and the water outlet pipe are communicated with the radiator, and the water inlet pipe and the water outlet pipe are communicated with the hollow structure of the screw rod. The water inlet pipe, the water outlet pipe and the radiator form a loop.

The first cavity is provided with a first water inlet pipe and a first water outlet pipe; the first water inlet pipe and the first water outlet pipe are both communicated with the first cavity; the first water inlet pipe, the first water outlet pipe and the radiator form a loop. The water inlet pipe is provided with a delivery pump. The first water inlet pipe is provided with a water inlet pump.

Preferably, the screw barrel structure is a hollow cylinder structure.

Preferably, the radiator is an industrial water chiller, and the model is FL-800.

Preferably, the radiator is a plate heat exchanger.

Compared with the prior art, the in-process screw rod of extrusion raw materials and screw barrel structure interact between has produced a large amount of heats with it, and the temperature on the screw rod can be higher than softening temperature far away, and the material can demonstrate its viscidity characteristic after the temperature is high to a certain degree, and raw and other materials can adhere to on the screw rod this moment, make the screw rod can not drive raw and other materials and go out from the extruder, and the long-time stop of material is gelatinized or is solidified in screw barrel structure, makes the conveying efficiency step-down of screw rod, and the utility model discloses powder coating extrusion cooling machine is through the cooling to screw rod and first cavity, has avoided the raw materials to adhere to on the screw rod because the high temperature in the pressurization process, thereby maintains the temperature of screw rod and screw barrel structure at the in-process of extrusion raw materials, has ensured the effect of.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of the powder coating extrusion cooling machine of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of a part of the screw barrel structure of the powder coating extrusion cooling machine of the present invention.

Description of the main elements

Screw tube structure 1	Screw 2	Feed inlet 3
			Discharge port 4	Drive motor 5	Heat sink 6
First chamber 11	Second chamber 12	Rotary joint 21
			Inlet pipe 22	Water outlet pipe 23	Delivery pump 24
First water inlet pipe 111	First water outlet pipe 112	Inlet pump 113
			Drive gear 51	Rotating gear 52

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. 1-2, an extrusion cooling machine for powder coating includes a screw barrel structure 1, a screw 2, a feed inlet 3, a discharge outlet 4, a driving motor 5, and a heat sink 6; the screw barrel structure 1 comprises a first cavity 11 and a second cavity 12, the first cavity 11 and the second cavity 12 are sequentially arranged from outside to inside in the screw barrel structure 1, and the second cavity 12 is arranged in the first cavity 11; the screw 2 is arranged in the second cavity 12; feed inlet 3 and discharge gate 4 all with 1 fixed connection of spiral shell section of thick bamboo structure to feed inlet 3 and discharge gate 4 all communicate with second cavity 12, and in this embodiment, 1 level of spiral shell section of thick bamboo structure is placed, and feed inlet 3 and discharge gate 4 set up respectively in the ascending relative both ends of 1 horizontal direction of spiral shell section of thick bamboo structure. A motor shaft of the driving motor 5 is fixedly connected with the driving gear 51; the screw rod 2 is of a hollow structure, two ends of the screw rod 2 are rotatably connected with the rotary joint 21, and the screw rod 2 is rotatably fixed in the second cavity 12; one end of the screw rod 2 is fixedly connected with the rotating gear 52, and a rotary joint 21 is accommodated in the rotating gear 52; the drive gear 51 meshes with the rotating gear 52.

In the present embodiment, the barrel structure 1 is a hollow cylindrical structure.

In this embodiment, the first cavity 11 and the second cavity 12 are both horizontally disposed hollow cylinder structures.

The screw 2 is provided with a water inlet pipe 22 and a water outlet pipe 23. One end of the screw rod 2 is rotatably connected with a water inlet pipe 22 through a rotary joint 21, and the other end of the screw rod 2 is communicated with a water outlet pipe 23 through the rotary joint 21. The water inlet pipe 22 and the water outlet pipe 23 are both communicated with the radiator 6, and the water inlet pipe 22 and the water outlet pipe 23 are both communicated with the hollow structure of the screw rod 2. The water inlet pipe 22, the water outlet pipe 23 and the radiator 6 form a loop.

In this embodiment, two rotary joints 21 are respectively fixed on two sides of the first cavity 11 in a rotating manner.

The first cavity 11 is provided with a first water inlet pipe 111 and a first water outlet pipe 112; the first water inlet pipe 111 and the first water outlet pipe 112 are both communicated with the first cavity 11; the first water inlet pipe 111, the first water outlet pipe 112 and the radiator 6 form a loop. In this embodiment, a feed pump 24 is provided on the feed tube 22. The first water inlet pipe 111 is provided with a water inlet pump 113.

In this embodiment, the radiator 6 is an industrial water chiller, model FL-800.

When the powder coating extrusion cooling machine is used, water is arranged among the hollow structure of the screw rod 2, the first cavity 11 and the second cavity 12; putting the raw material into a second cavity 12 from a feed inlet 3, starting a driving motor 5 to drive a screw rod 2 to rotate in the second cavity 12 by meshing a driving gear 51 and a rotating gear 52, extruding the raw material in the second cavity 12 by the screw rod 2, increasing the temperature of the material in the extrusion process, absorbing the heat emitted by the material by the hollow structure of the screw rod 2 and the water in a first cavity 11, starting a conveying pump 24 to pump the water in the hollow structure of the screw rod 2 to a radiator 6 for cooling, then entering the hollow structure of the screw rod 2 from a water outlet pipe 23 for circulating heat exchange and cooling, and reducing the heat of the screw rod 2 in the process of extruding the material; the water in the first cavity 11 is pumped to the radiator 6 by the water inlet pump 113 to be cooled, and then enters the first cavity 11 through the first water outlet pipe 112 to perform circulating heat exchange and cooling, so that the temperature of the screw 2 and the screw barrel structure 1 in the process of extruding the raw material is maintained, and the raw material is discharged from the discharge port 4 after the extrusion is finished.

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 cooler is characterized by comprising a screw barrel structure, a screw rod, a feeding hole, a discharging hole, a driving motor and a radiator; the screw barrel structure comprises a first cavity and a second cavity, the first cavity and the second cavity are sequentially arranged from outside to inside, and the second cavity is arranged in the first cavity; the screw is arranged in the second cavity; the feed inlet and the discharge outlet are both fixedly connected with the screw barrel structure, the feed inlet and the discharge outlet are both communicated with the second cavity, and the driving motor is connected with the screw gear; the screw rod is of a hollow structure;

the screw is provided with a water inlet pipe and a water outlet pipe; one end of the screw is rotationally connected with the water inlet pipe, and the other end of the screw is rotationally connected with the water outlet pipe; the water inlet pipe and the water outlet pipe are both communicated with the radiator, and the water inlet pipe and the water outlet pipe are both communicated with the hollow structure of the screw; the water inlet pipe, the water outlet pipe and the radiator form a loop;

the first cavity is provided with a first water inlet pipe and a first water outlet pipe; the first water inlet pipe and the first water outlet pipe are both communicated with the first cavity; the first water inlet pipe, the first water outlet pipe and the radiator form a loop; the water inlet pipe is provided with a delivery pump; the first water inlet pipe is provided with a water inlet pump.

2. A powder paint extrusion chiller as claimed in claim 1 wherein the barrel structure is a hollow cylinder structure.

3. The powder paint extrusion chiller of claim 1 wherein the heat sink is an industrial water chiller.

4. A powder coating extrusion chiller as claimed in claim 1, wherein the motor shaft of the drive motor is fixedly connected to the drive gear; one end of the screw is fixedly connected with the rotating gear, and the driving gear is meshed with the rotating gear.

5. The powder coating extrusion cooler of claim 1, wherein one end of the screw is rotatably connected to the inlet tube via a rotary joint, and the other end of the screw is rotatably connected to the outlet tube via a rotary joint.