CN218084082U

CN218084082U - Powder coating extrusion cooling equipment convenient to heat dissipation

Info

Publication number: CN218084082U
Application number: CN202121815791.5U
Authority: CN
Inventors: 田晓丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-12-20
Anticipated expiration: 2031-08-04

Abstract

The application relates to a powder coating extrusion cooling equipment convenient to heat dissipation belongs to the field of coating production equipment, and it includes the extruder, the extruder is including the feed cylinder that is used for conveying the material, the discharge end intercommunication of feed cylinder has the flat mouth die head, it extrudes the passageway to have seted up in the flat mouth die head, it is the platykurtic to extrude the passageway and keep away from the one end opening of feed cylinder. This application makes the material by extruder spun through flat mouth die head to be flat state, reduces the thickness of material, has also enlarged the surface area of material, facilitates for the quick cooling of material.

Description

Powder coating extrusion cooling equipment convenient to heat dissipation

Technical Field

The application relates to the technical field of coating production equipment, in particular to powder coating extrusion cooling equipment convenient for heat dissipation.

Background

The powder coating is a solid powder synthetic resin coating composed of solid resin, pigment, filler, auxiliary agent and the like, the powder water-based coating has the characteristic of higher safety, and water is added into the powder coating before spraying to enable the powder coating to be in a liquid state, so that the powder coating is more difficult to ignite compared with the common powder coating. The paint is prepared by mixing resin, pigment, curing agent or other auxiliary agents according to a certain proportion, and then carrying out processes such as hot extrusion molding, crushing, sieving and the like. Wherein, the equipment that the hot extrusion molding used is the extruder, and powdered raw materials form the thick thing after the extruder extrudes, and then the material of thick thing is sent into crushing step after cooling and is carried out subsequent processing.

Chinese utility model with publication number CN213006458U discloses an extrusion device of powder coating, which comprises a shell and a motor, wherein a screw rod is arranged in the shell, and the motor drives the screw rod to rotate so as to perform thermoplastic extrusion on the material; the tip of casing is connected with the storage tank through communicating pipe, and the storage tank is used for collecting the material of extruding and holds.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the material extruded by extrusion device is thick thing, and the material is accepted in the material exit of storage tank direct connection casing, and the material falls into in the storage tank and piles up the gathering in wherein, is unfavorable for the heat dissipation cooling of material, especially lies in the heat loss of inside coating behind the material gathering more slowly to be unfavorable for subsequent broken work's of cooling going on.

SUMMERY OF THE UTILITY MODEL

In order to improve the difficult refrigerated problem of material after extruding, this application provides a powder coating extrusion cooling device convenient to heat dissipation.

The application provides a powder coating extrusion cooling equipment convenient to heat dissipation adopts following technical scheme:

the powder coating extrusion cooling equipment convenient to dissipate heat comprises an extruder, the extruder comprises a conveying barrel used for conveying materials, the discharge end of the conveying barrel is communicated with a flat nozzle die head, an extrusion channel is formed in the flat nozzle die head, and an opening at one end, far away from the conveying barrel, of the extrusion channel is flat.

Through adopting above-mentioned technical scheme, under the dimensional change's of extrusion channel guide, thick material is the platykurtic after the flat mouth die head and flows out, and flat material has lower thickness, and the material is favorable to it to carry out quick heat dissipation cooling with external area of contact increase simultaneously.

Optionally, the flat nozzle die head comprises a fixing seat and an adjusting plate, the adjusting plate is hinged to the fixing seat, the extrusion channel is located between the adjusting plate and the fixing seat, and the flat nozzle die head further comprises an adjusting assembly used for adjusting the inclination angle between the adjusting plate and the fixing seat.

Through adopting above-mentioned technical scheme, the inclination between regulating plate and the fixing base is changed through adjusting part to the regulating plate, changes the width size of extruding the passageway export promptly to the realization is adjusted the thickness of being extruded the material.

Optionally, adjusting part includes adjusting bolt and cooperation nut, adjusting bolt and regulating plate relative rotation, cooperation nut rotates with the regulation seat relatively, the rotation plane of the relative regulating plate of adjusting bolt and the rotation plane of the relative fixing base of regulating plate are parallel to each other with the rotation plane of the relative fixing base of cooperation nut, adjusting bolt and cooperation nut threaded connection.

Through adopting above-mentioned technical scheme, adjusting bolt adjusts the interval of turning block and cooperation nut through the screw thread fit with cooperation nut to the realization is to the relative inclination's of adjusting plate and fixing base regulation and fixed.

Optionally, a connecting pipe is arranged at one end, facing the conveying cylinder, of the flat nozzle die head, one end of the connecting pipe is communicated with the extrusion channel, the other end of the connecting pipe is connected with the conveying cylinder and communicated with the discharge hole of the conveying cylinder, and the inner diameter of the connecting pipe is larger than the caliber of the discharge hole of the conveying cylinder.

By adopting the technical scheme, the material is conveyed to the connecting pipe from the conveying cylinder in the advancing direction, so the connecting pipe with a larger caliber blocks the space of the material in the advancing process less, and the material is not easy to form deposit at the connecting part of the connecting pipe and the conveying cylinder.

Optionally, a heat dissipation mechanism is arranged on one side of the extruder facing the material advancing direction, and the heat dissipation mechanism includes a conveyor belt, and the conveyor belt is used for carrying the material extruded by the extruder.

Through adopting above-mentioned technical scheme, when the conveyer belt bore the material and march, the material is tiled on the conveyer belt, and the area of contact of material and outside air and conveyer belt just increases, has improved the heat dissipation cooling rate and the heat dissipation time of material.

Optionally, the material of the conveyor belt is heat-conducting carbon fiber.

Through adopting above-mentioned technical scheme, heat conduction carbon fiber has good heat conductivity, helps making the heat of material lead away fast.

Optionally, the heat dissipation mechanism further comprises a cooling pool, a guide roller is rotatably connected in the cooling pool, and the conveyor belt is wound on the guide roller.

Through adopting above-mentioned technical scheme, the guide roll leads to the conveyer belt in the cooling pond, makes the cooling water contact in conveyer belt and the cooling pond, and the cooling water cools down the conveyer belt, because the specific heat capacity of water is great, it can indirectly carry out cooling heat exchange to the material with the conveyer belt contact.

Optionally, an intercepting piece is arranged in the cooling pool, and the intercepting piece is in contact with a belt surface where the conveyor belt is in contact with the material.

By adopting the technical scheme, if the materials cannot fall off from the conveyor belt immediately due to the adhesion of the materials, when the conveyor belt carries the materials adhered to the conveyor belt to run into the cooling pool, the interception piece is in contact with the surface of the conveyor belt, so that the materials adhered to the conveyor belt are peeled off and fall off.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the flat nozzle die head, the material extruded by the extruder is extruded by the flat nozzle die head to form a flat shape, so that the overall thickness of the material is reduced, the contact area between the material and the outside is increased, and the cooling efficiency of the material is improved;

2. through the setting in cooling pond, the cooling water in the cooling pond carries out cooling to the conveyer belt to realize the indirect heat exchange of cooling water to the material, improve the cooling efficiency of material.

Drawings

Fig. 1 is a schematic structural diagram of a powder coating extrusion cooling apparatus for embodying features that facilitate heat dissipation in an embodiment of the present application.

FIG. 2 is a schematic diagram of a flat nozzle die as embodied in the examples of the present application.

Fig. 3 is a schematic diagram for showing the connection relationship between the connecting pipe and the delivery cylinder in the embodiment of the application.

Fig. 4 is a partially enlarged view of a portion a in fig. 1.

Description of reference numerals: 1. an extruder; 11. a delivery cylinder; 2. a flat-mouth die head; 21. a fixed seat; 22. an adjusting plate; 23. a connecting pipe; 24. an extrusion channel; 25. an adjustment assembly; 251. a connecting rod; 252. rotating the block; 253. adjusting the bolt; 254. a mating nut; 3. a heat dissipation mechanism; 31. a conveyor belt; 32. a guide roller; 33. a cooling pool; 34. and (4) intercepting the sheet.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses powder coating extrusion cooling equipment convenient for heat dissipation, which comprises an extruder 1, wherein a heat dissipation mechanism 3 is arranged at one discharge end of the extruder 1; extruder 1 is used for the hot extrusion molding of powder coating raw materials to mix, and heat dissipation mechanism 3 is used for dispelling the heat and carrying to the material that extruder 1 extruded.

As shown in fig. 1 and 2, the extruder 1 includes a conveying cylinder 11 for the material to travel, a flat nozzle die head 2 is installed at the discharge end of the conveying cylinder 11, and the flat nozzle die head 2 is used for enabling the thick material ejected from the extruder 1 to be distributed in a flat shape. The structure of the flat nozzle die head 2 comprises a fixed seat 21 and an adjusting plate 22, wherein the fixed seat 21 and the adjusting plate 22 are hinged with each other, and the flat nozzle die head further comprises an adjusting assembly 25 for changing the relative overturning angle between the fixed seat 21 and the adjusting plate 22. An extrusion channel 24 surrounded by an adjusting plate 22 and a fixing seat 21 is formed in the flat nozzle die head 2, and the section of an opening of the extrusion channel 24 for spraying the coating is elongated and rectangular; one end of the flat nozzle die head 2 facing the conveying cylinder 11 is fixedly welded with a connecting pipe 23, and the extrusion channel 24 is communicated with the inner cavity of the conveying cylinder 11 through the connecting pipe 23. The material leaves the conveying cylinder 11 of the extruder 1 and enters the connecting pipe 23, then enters the extrusion channel 24 of the flat nozzle die head 2, and emerges from the extrusion channel 24 in a flat viscous state under the guidance of the space between the adjusting plate 22 and the fixed seat 21.

As shown in fig. 1 and 3, a flange is welded and fixed to an end of the connecting pipe 23, the connecting pipe 23 is mounted coaxially on an end of the conveying cylinder 11 through the flange, a nozzle of the connecting pipe 23 facing the conveying pipe is coaxially communicated with a discharge port of the conveying cylinder 11, and an inner diameter of the connecting pipe 23 is larger than a caliber of the discharge port of the conveying cylinder 11, so that a stock where the material leaves the conveying cylinder 11 and is connected with the conveying cylinder 11 is reduced.

As shown in fig. 2, the relative inclination angle of the adjusting plate 22 and the fixing seat 21 directly determines the nozzle size of the extrusion channel 24, the adjusting assembly 25 includes a connecting rod 251, a rotating block 252, an adjusting bolt 253 and a fitting nut 254, one end of the connecting rod 251 is welded and fixed with the adjusting plate 22, the other end of the connecting rod 251 is rotatably connected with the rotating block 252, the adjusting bolt 253 passes through the rotating block 252 and is rotatably connected with the rotating block 252, the rotation axis of the adjusting bolt 253 relative to the rotating block 252 is the self axis of the adjusting bolt 253, and the fitting nut 254 is rotatably connected to one side of the fixing seat 21; the rotation plane of the rotation block 252 relative to the connection rod 251, the rotation plane of the matching nut 254 relative to the fixed seat 21, and the rotation plane of the adjustment plate 22 relative to the fixed seat 21 are all parallel to each other, and the axis of the adjustment bolt 253 is always located in the rotation plane of the rotation block 252 relative to the connection rod 251. At this time, in the case that the adjusting bolt 253 is threadedly coupled to the engaging nut 254, the adjusting bolt 253 is rotated to change the distance between the rotating block 252 and the engaging nut 254, so as to change the relative distance between the connecting rod 251 and the engaging nut 254, i.e., the inclination angle of the plate surface of the adjusting plate 22 relative to the fixing base 21.

As shown in fig. 1 and 4, the heat dissipation mechanism 3 includes a conveyor belt 31 and a cooling pool 33, an ejection port of the flat nozzle die head 2 faces a belt surface of the conveyor belt 31, the conveyor belt 31 is used for receiving the coating ejected from the flat nozzle die head 2 and conveying the coating toward one end far away from the extruder 1, and a collection box for loading materials is placed at one end of the conveyor belt 31 far away from the extruder 1. The conveyer belt 31 is made by the better heat conduction carbon fiber of heat conductivity, the cooling pond 33 is placed and the below of conveyer belt 31, the cooling pond 33 is loaded with the sufficient cooling water, the internal rotation of cooling pond 33 is connected with guide roll 32, the conveyer belt 31 is just walked around guide roll 32 surface after unloading the material, guide roll 32 is used for leading conveyer belt 31 to cooling pond 33 in, make conveyer belt 31 and cooling water contact, the cooling water that has great specific heat capacity absorbs the heat on the conveyer belt 31 so that the conveyer belt 31 cools down, can carry out comparatively abundant heat exchange with the material when making conveyer belt 31 and material contact, thereby make the material cool down fast.

As shown in fig. 4, since the material still has a certain adhesiveness during cooling, the material cannot fall off the conveyor belt 31 in time at a certain probability, but adheres to the conveyor belt 31 and continues to travel along with the conveyor belt 31; therefore, the intercepting sheet 34 is further attached to the cooling tank 33, the intercepting sheet 34 is made of rubber, the length direction of the intercepting sheet 34 is parallel to the length direction of the guide roller 32, the intercepting sheet 34 and one side surface of the conveyor belt 31, which is far away from the guide roller 32, are in contact friction, the intercepting sheet 34 is located at the opening of the cooling tank 33, at the moment, the intercepting sheet 34 intercepts materials attached to the surface of the conveyor belt 31, the materials are further separated from the conveyor belt 31 and fall into the cooling tank 33 to be collected in a centralized mode, and liquid drops stuck to the conveyor belt 31 can also be scraped off.

The implementation principle of the powder coating extrusion cooling device convenient for heat dissipation in the embodiment of the application is as follows:

according to different viscosity of the coating and different discharge speeds of the extruder 1, the adjusting plate 22 is angularly adjusted through the adjusting assembly 25, so that the opening size of the extrusion channel 24 is changed; the material extruded by the flat nozzle die head 2 falls on the conveyor belt 31, the conveyor belt 31 advances with the material and sends the material into the containing container, during the conveying process, the conveyor belt 31 and the material are in heat exchange when contacting, so that the material is rapidly cooled, and the adhesion of the material is reduced.

The embodiments of the present invention are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A powder coating material extrusion cooling apparatus facilitating heat dissipation, comprising an extruder (1), the extruder (1) comprising a transport cylinder (11) for conveying material, characterized in that: the discharge end of the conveying cylinder (11) is communicated with a flat nozzle die head (2), an extrusion channel (24) is formed in the flat nozzle die head (2), and an opening at one end, far away from the conveying cylinder (11), of the extrusion channel (24) is flat.

2. The extrusion cooling apparatus for powder coating material to facilitate heat dissipation as recited in claim 1, wherein: flat mouth die head (2) are including fixing base (21) and regulating plate (22), regulating plate (22) are articulated with fixing base (21), extrude passageway (24) and be located between regulating plate (22) and fixing base (21), still including adjusting part (25) that are used for adjusting the inclination between regulating plate (22) relative fixing base (21).

3. The extrusion cooling apparatus for powder coating material to facilitate heat dissipation as recited in claim 2, wherein: adjusting part (25) include adjusting bolt (253) and cooperation nut (254), adjusting bolt (253) and regulating plate (22) relative rotation, cooperation nut (254) rotate with prescribing the seat relatively, the rotation plane of adjusting bolt (253) relative regulating plate (22) and the rotation plane of regulating plate (22) relative fixing base (21) and the rotation plane of cooperation nut (254) relative fixing base (21) are parallel to each other, adjusting bolt (253) and cooperation nut (254) threaded connection.

4. The powder coating extrusion cooling apparatus for facilitating heat dissipation of claim 1, wherein: one end of the flat nozzle die head (2) facing the conveying cylinder (11) is provided with a connecting pipe (23), one end of the connecting pipe (23) is communicated with the extrusion channel (24), the other end of the connecting pipe (23) is connected with the conveying cylinder (11) and is communicated with a discharge hole of the conveying cylinder (11), and the inner diameter of the connecting pipe (23) is larger than the caliber of the discharge hole of the conveying cylinder (11).

5. The powder coating extrusion cooling apparatus for facilitating heat dissipation of claim 1, wherein: one side of the extruder (1) facing the material advancing direction is provided with a heat dissipation mechanism (3), the heat dissipation mechanism (3) comprises a conveyor belt (31), and the conveyor belt (31) is used for bearing the material extruded by the extruder (1).

6. The extrusion cooling apparatus for powder coating material to facilitate heat dissipation as recited in claim 5, wherein: the material of the conveyor belt (31) is heat-conducting carbon fiber.

7. The extrusion cooling apparatus for powder coating material to facilitate heat dissipation as recited in claim 5, wherein: heat dissipation mechanism (3) still include cooling pond (33), cooling pond (33) internal rotation is connected with guide roll (32), conveyer belt (31) are around locating on guide roll (32).

8. The powder coating extrusion cooling apparatus for facilitating heat dissipation of claim 7, wherein: an intercepting piece (34) is arranged in the cooling pool (33), and the intercepting piece (34) is in contact with the belt surface of the conveyor belt (31) in contact with the material.