CN112873677A

CN112873677A - Powder coating processing is with melting extrusion design section system

Info

Publication number: CN112873677A
Application number: CN202011517055.1A
Authority: CN
Inventors: 李琳
Original assignee: Ma'anshan Ruicheng Technology Information Consulting Co ltd
Current assignee: Ma'anshan Ruicheng Technology Information Consulting Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-06-01

Abstract

The melting extrusion shaping slicing system for powder coating processing comprises an extruder for extruding a molten material, wherein a discharge port of the extruder is horizontally butted with a discharge die cavity for flattening the molten material, a group of cooling tabletting rollers which are parallel to each other and are internally provided with a freezing medium are arranged on the discharge end side of the discharge die cavity at intervals from top to bottom, a conveying belt is horizontally placed below the cooling tabletting rollers, an air cooling tunnel is erected on the conveying belt, the end surface of the air cooling tunnel is of a door-shaped structure, a heat radiation fan is arranged on a top plate of the air cooling tunnel, a group of guide rollers which are parallel to each other are arranged on the discharge side of the conveying belt at intervals from top to bottom, and a cutting machine is arranged outside the guide rollers. The invention can effectively improve the flatness of the produced molten material, has higher degree of continuity and is beneficial to improving the efficiency of subsequent tabletting; in the short-distance conveying process, the cooling and shaping effects on the molten material are better, and the slicing efficiency of a subsequent cutting machine is improved.

Description

Powder coating processing is with melting extrusion design section system

Technical Field

The invention belongs to the technical field of capacitor base film processing, and particularly relates to a melt extrusion molding slicing system for powder coating processing.

Background

The powder coating is a solid powder synthetic resin coating composed of solid resin, pigment, filler, auxiliary agent and the like. The powder coating processing needs to fully mix the raw materials according to a certain proportion, then melt and extrude, tablet and cut into semi-finished products, then crush and grind, remove the ultramicron part by using a cyclone separator, and then produce finished products, and then store the finished products in storage after detection and packaging.

However, in the prior art, the melt extruded by the extruder is amorphous dough, and if the melt is directly conveyed to the tabletting rollers, the tabletting efficiency is affected, and in the short-distance conveying process, the sliced melt is not subjected to cooling setting treatment, so that the slicing efficiency of a subsequent cutting machine is reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a melt extrusion molding slicing system for powder coating processing, and the specific technical scheme is as follows:

the melting extrusion shaping slicing system for powder coating processing comprises an extruder for extruding a molten material, wherein a discharge port of the extruder is horizontally butted with a discharge die cavity for flattening the molten material, a group of cooling tabletting rollers which are parallel to each other and are internally provided with a freezing medium are arranged on the discharge end side of the discharge die cavity at intervals from top to bottom, a conveying belt is horizontally placed below the cooling tabletting rollers, an air cooling tunnel is erected on the conveying belt, the end surface of the air cooling tunnel is of a door-shaped structure, a heat radiation fan is arranged on a top plate of the air cooling tunnel, a group of guide rollers which are parallel to each other are arranged on the discharge side of the conveying belt at intervals from top to bottom, and a cutting machine is arranged outside the guide rollers.

Further, the discharge die cavity is of a flat nozzle-shaped structure, the discharge die cavity comprises a material receiving cavity, a material spreading cavity and a discharge cavity, the material spreading cavity is of an isosceles trapezoid cavity structure with two open ends, a short edge port of the material spreading cavity is in butt joint with a port of the material receiving cavity, a long edge port of the material spreading cavity is in butt joint with a port of the discharge cavity, the discharge cavity is of a square cavity structure, and another port of the material receiving cavity is in butt joint with a discharge port of the extruder.

Further, two the interval airspace size of cooling preforming roller with discharge chamber's discharge port suits, the cooling preforming roller includes the roller at both ends, every a roller tip is rotationally fixed stay through first support, another perpendicular fixedly connected with of tip flange, two detachably card is equipped with a inside split type roller subassembly that has the accommodation space between the tip flange.

Furthermore, a strip-shaped fixture block is fixedly arranged in the middle of the inner end face of each end face flange, and one end of each fixture block vertically extends to the edge of the inner end face of each end face flange.

The roller assembly further comprises an object placing barrel with an opening on one end face and a freezing medium arranged in the object placing barrel, the opening of the object placing barrel is in threaded connection with a circular end cover matched with the object placing barrel, and the outer end face of the end cover and the outer bottom face of the object placing barrel are both inwards provided with clamping grooves matched with the corresponding clamping blocks.

Furthermore, the outer bottom surface of the object placing barrel is connected with the end face flange corresponding to the outer bottom surface of the object placing barrel through screw threads.

Furthermore, the screws are arranged in two groups and are respectively and symmetrically arranged on two sides of the corresponding clamping block.

Furthermore, a circular flange is convexly arranged in the middle of the inner end face of the end cover, the flange is connected into the object placing barrel through threads, and the outer diameter of the end cover is the same as that of the object placing barrel.

Furthermore, the end face of the fixture block is of a T-shaped structure.

Further, the freezing medium is an ice bag.

The invention has the beneficial effects that:

according to the invention, the discharge die cavity for flattening the molten material is arranged at the discharge port of the extruder, so that the flatness of the produced molten material can be effectively improved, the continuity degree is higher, and the subsequent tabletting efficiency is favorably improved; according to the invention, a group of cooling tabletting rollers which are parallel to each other and are internally provided with the freezing medium are arranged at the upper and lower intervals on the discharging end side of the discharging die cavity, and the melt can be alternately and continuously cooled by matching with the air cooling tunnel on the conveying belt, so that the melt has a good cooling and shaping effect in the short-distance conveying process, and the slicing efficiency of a subsequent cutting machine is improved.

Drawings

FIG. 1 shows a schematic of the overall structure of the present invention;

FIG. 2 shows a schematic structural view of a discharge die of the present invention;

FIG. 3 shows a schematic view of the construction of a chilled sheeting roller of the present invention;

FIG. 4 is a schematic view of the structure of the longitudinal section A-A in FIG. 3;

FIG. 5 shows an exploded view of FIG. 4;

FIG. 6 is a front view of the construction of the end flange of the present invention with screws;

FIG. 7 is a rear view of the construction of the end flange of the present invention with screws;

fig. 8 shows a schematic end view of the cartridge of the present invention.

Shown in the figure: 1. an extruder; 11. a discharge port; 2. a discharge mold cavity; 21. a material receiving cavity; 22. a material spreading cavity; 23. a discharge cavity; 3. cooling the sheeting roller; 31. a roll shaft; 32. an end face flange; 321. a clamping block; 33. a screw; 34. a roller assembly; 341. a storage barrel; 342. an end cap; 3421. a flange; 343. a card slot; 35. a first bracket; 4. a conveyor belt; 5. an air-cooled tunnel; 51. a top plate; 52. a heat radiation fan; 6. a guide roller; 61. a second bracket; 7. a cutting machine.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, the melt extrusion shaping slicing system for powder coating processing includes an extruder 1 for extruding a melt, a discharge port 11 of the extruder 1 is horizontally butted with a discharge mold cavity 2 for flattening the melt, a set of cooling tabletting rollers 3 which are parallel to each other and are internally provided with a freezing medium are arranged at intervals up and down on the discharge end side of the discharge mold cavity 2, a conveyer belt 4 is horizontally placed below the cooling tabletting rollers 3, an air-cooling tunnel 5 is erected on the conveyer belt 4, the end surface of the air-cooling tunnel 5 is in a door-shaped structure, a heat radiation fan 52 is arranged on a top plate 51 of the air-cooling tunnel 5, a set of guide rollers 6 which are parallel to each other are arranged at intervals up and down on the discharge side of the conveyer belt 4, and a cutting machine 7 is arranged outside the guide rollers 6; preferably, the guide roller 6 is rotatably fixedly supported by the second bracket 61; through the technical scheme, the discharging die cavity 2 for flattening the molten material is arranged at the discharging port 11 of the extruder 1, so that the flatness of the produced molten material can be effectively improved, the continuity degree is high, and the subsequent tabletting efficiency is improved; this application sets up a set of cooling preforming roller 3 that is parallel to each other and built-in refrigerant through the interval about the discharge end side in discharge die cavity 2, and the forced air cooling tunnel 5 on the conveyer belt 4 of deuterogamying can carry out continuous cooling in turn to the melting material, and in short distance transportation process, the melting material cooling design effect preferred has improved follow-up cutting machine 7's section efficiency.

As shown in fig. 2, the discharging mold cavity 2 is of a flat nozzle-shaped structure, the discharging mold cavity 2 includes a receiving cavity 21, a material spreading cavity 22 and a discharging cavity 23, the material spreading cavity 22 is of an isosceles trapezoid cavity structure with openings at two ends, a short side port of the material spreading cavity 22 is in butt joint with one port of the receiving cavity 21, a long side port of the material spreading cavity 22 is in butt joint with one port of the discharging cavity 23, the discharging cavity 23 is of a square cavity structure, and the other port of the receiving cavity 21 is in butt joint with the discharging port 11 of the extruder 1; through the technical scheme, the molten material enters the material spreading cavity 22 through the extrusion of the narrow channel of the material receiving cavity 21, the size of the end face of the molten material is increased through the expansion of the material spreading cavity 22, the molten material continuously flows in along with the subsequent molten material, and the molten material with good size and flatness can be continuously obtained through the compression output of the discharge cavity 23 with the square structure.

As shown in fig. 1, the size of the space between two cooling sheeting rollers 3 is adapted to the discharge port of the discharge cavity 23, the cooling sheeting rollers 3 include roller shafts 31 at two ends, one end of each roller shaft 31 is rotatably and fixedly supported by a first bracket 35, the other end is vertically and fixedly connected with an end flange 32, and a split roller assembly 34 with an accommodating space therein is detachably clamped between the two end flanges 32; through the technical scheme, the cooling tabletting rollers 3 are detachably connected, so that the refrigeration medium is convenient to replace, and the actual operation cost is low; the cooling tabletting rollers 3 can also roll and guide the molten material output from the discharging die cavity 2, so that the molten material can stably fall on the conveyer belt 4.

As shown in fig. 4, 5 and 7, a strip-shaped fixture block 321 is fixedly arranged in the middle of the inner end surface of each end face flange 32, and one end of each fixture block 321 vertically extends to the edge of the inner end surface of the end face flange 32; through the technical scheme, the clamping block 321 is clamped with the rear roller assembly 34 to form no cavity, and the clamping of the rear roller assembly 34 is facilitated.

As shown in fig. 3 to 5, the roller assembly 34 includes a storage barrel 341 with an opening on one end surface and a freezing medium inside, the opening of the storage barrel 341 is screwed with a circular end cap 342 matching with the storage barrel 341, and the outer end surface of the end cap 342 and the outer bottom surface of the storage barrel 341 are both inwardly provided with a clamping groove 343 matching with the corresponding clamping block 321; through the technical scheme, the roller assembly 34 is convenient to be clamped with the end face flanges 32 on two sides, and the freezing medium is convenient to disassemble and replace.

As shown in fig. 3, 6 and 7, the outer bottom surface of the storage barrel 341 is in threaded connection with the corresponding end surface flange 32 through a screw 33; by this solution, the roller assembly 34 can be better fastened by adding the screw 33.

As shown in fig. 7, two sets of screws 33 are symmetrically disposed on two sides of the corresponding fixture block 321; through the technical scheme, the clamping connection between the clamping block 321 and the clamping groove 343 is not influenced, and the two groups of screws 33 are convenient to symmetrically stress and fasten.

As shown in fig. 4 and 5, an annular flange 3421 is convexly disposed at the middle of the inner end surface of the end cap 342, the flange 3421 is screwed into the object placing cylinder 341, and the outer diameters of the end cap 342 and the object placing cylinder 341 are the same; by this solution, the surface of the entire roller assembly 34 can be kept flat.

As shown in fig. 8, the end surface of the latch 321 is a T-shaped structure; through the technical scheme, the clamping between the clamping block 321 and the clamping groove 343 is more tight.

Preferably, the freezing medium is an ice bag; through the technical scheme, the ice bag is convenient to recycle and low in cost.

When the invention is implemented, the gap between the two cooling tabletting rollers 3 is adjusted according to the thickness of the molten material output from the discharging die cavity 2, the conveying belt 4 and the cooling fan 52 are simultaneously started, the molten material which is preliminarily cooled by the cooling tabletting rollers 3 falls on the conveying belt 4, then is conveyed by the conveying belt 4 to enter the air cooling tunnel 5 for continuous wind cooling, and finally enters the lower part of the cutting machine 7 for slicing with the specified size through the guide roller 6; when the ice bag needs to be replaced, the screw 33 on the end face flange 32 on one side is unscrewed, the roller assembly 34 is pulled out, then the end cover 342 is detached, the new ice bag can be replaced, and the old ice bag can be cooled for reuse.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The melt extrusion shaping slicing system for powder coating processing comprises an extruder (1) for extruding molten materials, and is characterized in that: the device is characterized in that a discharge port (11) of the extruder (1) is horizontally butted with a discharge mold cavity (2) for flattening molten materials, a group of cooling tabletting rollers (3) which are parallel to each other and are internally provided with freezing media are arranged on the discharge end side of the discharge mold cavity (2) at intervals from top to bottom, a conveying belt (4) is horizontally placed below the cooling tabletting rollers (3), an air-cooled tunnel (5) is erected on the conveying belt (4), the end face of the air-cooled tunnel (5) is of a door-shaped structure, a heat radiation fan (52) is arranged on a top plate (51) of the air-cooled tunnel (5), a group of guide rollers (6) which are parallel to each other are arranged on the discharge side of the conveying belt (4) at intervals from top to bottom, and a cutting machine (7) is.

2. A melt extrusion die-slicing system for powder coating processing according to claim 1, wherein: discharge die chamber (2) are flat mouth shape structure, discharge die chamber (2) including connecing material cavity (21), exhibition material cavity (22) and ejection of compact cavity (23), exhibition material cavity (22) are both ends open-ended isosceles trapezoid cavity structure, the minor face port of exhibition material cavity (22) with connect material cavity (21) a port butt joint, the long limit port of exhibition material cavity (22) with an end port butt joint of ejection of compact cavity (23), ejection of compact cavity (23) are square cavity structure, connect another port of material cavity (21) with discharge gate (11) butt joint of extruder (1).

3. A melt extrusion die-slicing system for powder coating processing according to claim 2, wherein: two the interval airspace size of cooling preforming roller (3) with the discharge port of ejection of compact cavity (23) suits, cooling preforming roller (3) are including roller (31) at both ends, every roller (31) one end is rotationally fixed support through first support (35), another perpendicular fixedly connected with of tip flange (32), two detachably card is equipped with a inside split type roller subassembly (34) that has the accommodation space between tip flange (32).

4. A melt extrusion die-cutting system for powder coating processing according to claim 3, wherein: a strip-shaped fixture block (321) is fixedly arranged in the middle of the inner end face of each end face flange (32), and one end of each fixture block (321) vertically extends to the edge of the inner end face of each end face flange (32).

5. A melt extrusion die-slicing system for powder coating processing according to claim 4, wherein: the roller assembly (34) comprises an object placing barrel (341) with an opening on one end surface and a freezing medium arranged inside, the opening of the object placing barrel (341) is screwed with a circular end cover (342) matched with the opening, and the outer end surface of the end cover (342) and the outer bottom surface of the object placing barrel (341) are both inwards provided with clamping grooves (343) matched with the corresponding clamping blocks (321).

6. A melt extrusion die-slicing system for powder coating processing according to claim 5, wherein: the outer bottom surface of the object placing barrel (341) is in threaded connection with the end face flange (32) corresponding to the outer bottom surface through a screw (33).

7. A melt extrusion die-slicing system for powder coating processing according to claim 6, wherein: the two groups of screws (33) are respectively and symmetrically arranged at two sides of the corresponding fixture block (321).

8. A melt extrusion die-slicing system for powder coating processing according to claim 5, wherein: the middle part of the inner end surface of the end cover (342) is convexly provided with a circular flange (3421), the flange (3421) is connected in the object placing barrel (341) through threads, and the outer diameters of the end cover (342) and the object placing barrel (341) are the same.

9. A melt extrusion die-slicing system for powder coating processing according to claim 5, wherein: the end surface of the fixture block (321) is of a T-shaped structure.

10. A melt extrusion die-slicing system for powder coating processing according to claim 5, wherein: the freezing medium is an ice bag.