CN216153012U

CN216153012U - Cooling and shaping device of plastic pipe extruder

Info

Publication number: CN216153012U
Application number: CN202122173884.9U
Authority: CN
Inventors: 耿煜; 张伟; 蔡铁军; 唐见波; 席玄
Original assignee: Suzhou Yingnawei Technology Co ltd
Current assignee: Suzhou Yingnawei Technology Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-04-01
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a cooling and shaping device of a plastic pipe extruder, and particularly relates to the technical field related to the plastic extruder. The cooling and shaping device of the plastic pipe extruder can realize simultaneous water cooling and air cooling so as to improve the cooling effect, and can recover a certain amount of heat through the arrangement of the heat exchange box and the heat exchange plate so as to realize the recycling of the heat, so that the cooling and shaping device is more energy-saving and environment-friendly.

Description

Cooling and shaping device of plastic pipe extruder

Technical Field

The utility model relates to the technical field of plastic extruders, in particular to a cooling and shaping device of a plastic pipe extruder.

Background

The main machine of the plastic extruder is an extruding machine and consists of an extruding system, a transmission system and a heating and cooling system, the plastic extruder is generally called as the main machine, a plastic extrusion molding machine matched with the main machine is called as an auxiliary machine, and after the development of more than 100 years, the plastic extruder is derived from the original single screw to form multiple machine types such as double screws, multiple screws and even no screws.

The plastic extruder needs to produce plastic strips and then cut the plastic strips into plastic granules in granulation, the plastic strips need to be cooled and dried in the process, the existing cooling mode generally adopts air cooling or air cooling, the cooling speed is low, the efficiency of an enterprise is influenced, and heat of the plastic pipe per se cannot be recycled in the cooling process, so that a large amount of heat is wasted, and therefore the cooling and shaping device of the plastic pipe extruder is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a cooling and shaping device of a plastic pipe extruder, which can effectively solve the problems in the background technology.

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

a cooling and shaping device of a plastic pipe extruder comprises a first mounting frame, a second mounting frame and a heat exchange box, wherein a cooling box is fixedly mounted at the upper end of the first mounting frame, a branch pipe assembly and a water-cooled pipe are arranged in the cooling box, a cooling pipe is fixedly mounted at the middle part of the cooling box, two axial flow fans are fixedly mounted at the upper end of the cooling box in an embedded mode, a liquid storage box is fixedly mounted at the upper end of the second mounting frame, a heat exchange plate is fixedly mounted at the upper end of the heat exchange box, supporting legs are fixedly mounted on two sides of the heat exchange plate, a drain pipe is fixedly mounted at the lower part of one end of the heat exchange box, a first water filling port is arranged on one side of the upper end of the heat exchange box, a heat exchange pipe is arranged in the heat exchange plate, a liquid outlet pipe is fixedly mounted at one end of the heat exchange pipe and fixedly connected with the liquid storage box and communicated with the inside of the liquid storage box, and one end of the liquid outlet pipe, which is far away from the heat exchange pipe, extends into the cooling box and is fixedly connected with the water-cooled pipe, the one end fixedly connected with feed liquor pipe of heat exchange tube is kept away from to the liquid reserve tank, the one end that the liquid reserve tank was kept away from to the feed liquor pipe extend to the cooling box in and with be in charge of subassembly fixed connection, one side that the feed liquor pipe is close to the liquid reserve tank is provided with the centrifugal pump, the upper end one corner of liquid reserve tank is provided with the second water filling port.

Preferably, the cooling tube and the water-cooling tube are of an integrally formed structure, the cooling tube is not communicated with the inner cavity of the water-cooling tube, the upper end of the liquid outlet tube penetrates through the bottom wall of the cooling box and extends to the inside of the cooling box to be fixedly connected with the lower part of the outer surface of the water-cooling tube and communicated with the inside of the cooling box, and the bottom wall of the inner cavity of the cooling box is provided with a plurality of ventilation holes.

Preferably, the branch pipe assembly comprises a first horizontal pipe, a second horizontal pipe, a third horizontal pipe and a fourth horizontal pipe, the first horizontal pipe and the second horizontal pipe are fixedly connected with a plurality of first longitudinally-arranged pipes, the second horizontal pipe and the third horizontal pipe are fixedly connected with a vertical pipe, the third horizontal pipe and the fourth horizontal pipe are fixedly connected with a plurality of second longitudinally-arranged pipes, a connecting pipe is fixedly arranged in the middle of the lower end of each second longitudinally-arranged pipe, and one end, far away from the liquid storage tank, of the liquid inlet pipe penetrates through the wall of the cooling tank and extends to the interior of the cooling tank and is fixedly connected with the first horizontal pipe.

Preferably, the first longitudinally-arranged pipes and the second longitudinally-arranged pipes are parallel to each other, and the first longitudinally-arranged pipes and the second longitudinally-arranged pipes are distributed in a vertically staggered manner.

Preferably, the lower end of the connecting pipe is fixedly connected to one side, far away from the liquid outlet pipe, of the upper part of the outer surface of the water-cooling pipe, and the connecting pipe is communicated with the inside of the water-cooling pipe.

Preferably, the heat transfer case intussuseption is filled with the hot water of changing heat, the equal fixed mounting in heat transfer board lower extreme four corners has the semiconductor refrigeration piece, and the common fixed mounting of the lower extreme of four semiconductor refrigeration pieces has the metal sheet, metal sheet lower extreme equidistance fixed mounting has a plurality of radiating fin, and a plurality of radiating fin lower extreme all runs through the heat transfer case and extends to below its inner chamber heat exchange water liquid level.

Preferably, one end of the semiconductor refrigeration piece, which is close to the heat exchange plate, is a heat absorption end, and one end of the semiconductor refrigeration piece, which is close to the metal plate, is a heat dissipation end.

Preferably, the middle part of the heat exchange tube is curved, and the middle part of the heat exchange plate is provided with an installation groove matched with the curved shape of the middle part of the heat exchange tube.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the branch pipe assembly and the water cooling pipe are arranged, so that the temperature in the cooling box can be reduced by utilizing the cooling water with lower temperature in the first longitudinal pipe and the first longitudinal pipe, and further the cooling effect of air cooling is improved.

2. According to the utility model, the heat exchange box and the heat exchange plate are arranged, the water discharged from the water cooling pipe after heat exchange enters the heat exchange pipe, the contact area between the heat exchange pipe and the heat exchange plate is increased by utilizing the bent pipeline in the middle of the heat exchange pipe, so that the heat exchange area is increased, meanwhile, the four semiconductor refrigeration sheets work to cool the heat exchange plate, so that the cooling water in the heat exchange pipe can be cooled, and the heat dissipation fins extend into the heat exchange box to be in large-area contact with the heat exchange water, so that a certain amount of heat can be recovered, the temperature of the heat exchange water is raised, and the heat can be recycled.

Drawings

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

FIG. 2 is a schematic view showing the internal structure of the cooling box of the present invention;

FIG. 3 is a cut-away schematic view of the cooling box of the present invention;

FIG. 4 is a schematic view of the overall structure of the tube-dividing assembly of the present invention;

FIG. 5 is a cut-away schematic view of a heat exchange box of the present invention;

fig. 6 is a cut-away schematic view of a heat exchanger plate of the present invention.

In the figure: 1. a first mounting bracket; 2. a second mounting bracket; 3. a cooling tank; 4. a liquid storage tank; 5. a heat exchange box; 51. a semiconductor refrigeration sheet; 52. a metal plate; 53. a heat dissipating fin; 54. exchanging hot water; 6. a heat exchange plate; 61. mounting grooves; 7. supporting legs; 8. a heat exchange pipe; 9. a liquid outlet pipe; 10. a liquid inlet pipe; 11. a cooling tube; 12. a centrifugal pump; 13. a first water injection port; 14. a drain pipe; 15. a second water injection port; 16. an axial flow fan; 17. a pipe distribution assembly; 171. a first cross tube; 172. a first longitudinally disposed tube; 173. a second cross tube; 174. a vertical tube; 175. a third cross tube; 176. a second longitudinally arranged tube; 177. a connecting pipe; 178. a fourth cross tube; 18. a water-cooled tube; 19. a vent hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, a cooling and shaping device of a plastic pipe extruder comprises a first mounting frame 1, a second mounting frame 2 and a heat exchange box 5, wherein a cooling box 3 is fixedly installed at the upper end of the first mounting frame 1, a tube dividing assembly 17 and a water cooling tube 18 are arranged in the cooling box 3, a cooling tube 11 is fixedly installed at the middle part of the cooling box 3, two axial flow fans 16 are fixedly installed at the upper end of the cooling box 3 in an embedded manner, a liquid storage box 4 is fixedly installed at the upper end of the second mounting frame 2, a heat exchange plate 6 is fixedly installed at the upper end of the heat exchange box 5, supporting legs 7 are fixedly installed at two sides of the heat exchange plate 6, a drain pipe 14 is fixedly installed at the lower part of one end of the heat exchange box 5, a first water filling port 13 is arranged at one side of the upper end of the heat exchange box 5, a heat exchange tube 8 is arranged in the heat exchange plate 6, a liquid outlet pipe 9 is fixedly installed at one end of the heat exchange tube 8, and the other end of the heat exchange tube 8 is fixedly connected with the liquid storage box 4 and communicated with the inside, one end of the liquid outlet pipe 9, which is far away from the heat exchange pipe 8, extends into the cooling tank 3 and is fixedly connected with the water cooling pipe 18, one end of the liquid storage tank 4, which is far away from the heat exchange pipe 8, is fixedly connected with a liquid inlet pipe 10, one end of the liquid inlet pipe 10, which is far away from the liquid storage tank 4, extends into the cooling tank 3 and is fixedly connected with a branch pipe assembly 17, one side of the liquid inlet pipe 10, which is close to the liquid storage tank 4, is provided with a centrifugal pump 12, and one corner of the upper end of the liquid storage tank 4 is provided with a second water filling port 15; wherein the liquid storage tank 4 is stored with cooling water.

Specifically, as shown in fig. 2 and 3, the cooling tube 11 and the water-cooling tube 18 are an integrally formed structure, inner cavities of the cooling tube 11 and the water-cooling tube 18 are not communicated with each other, the upper end of the liquid outlet tube 9 penetrates through the bottom wall of the cooling box 3 and extends to the inside thereof to be fixedly connected with the lower part of the outer surface of the water-cooling tube 18 and communicated with the inside thereof, and the bottom wall of the inner cavity of the cooling box 3 is provided with a plurality of vent holes 19; in practice, the high-temperature plastic pipeline extruded by the extruder passes through the cooling pipe 11, circulating cooling water flows in the water cooling pipe 18, so that a certain cooling effect can be achieved, and meanwhile, the axial flow fan 16 and the ventilation holes 19 can also achieve an air-cooled cooling effect, so that the cooling work efficiency is further improved.

As shown in fig. 4, the pipe dividing assembly 17 includes a first horizontal pipe 171, a second horizontal pipe 173, a third horizontal pipe 175 and a fourth horizontal pipe 178, a plurality of first vertical pipes 172 are fixedly connected between the first horizontal pipe 171 and the second horizontal pipe 173, a vertical pipe 174 is fixedly connected between the second horizontal pipe 173 and the third horizontal pipe 175, a plurality of second vertical pipes 176 are fixedly connected between the third horizontal pipe 175 and the fourth horizontal pipe 178, a connecting pipe 177 is fixedly installed in the middle of the lower end of each second vertical pipe 176, and one end of the liquid inlet pipe 10, which is far away from the liquid storage tank 4, extends to the inside of the cooling tank 3 through the wall thereof and is fixedly connected with the first horizontal pipe 171.

It should be noted that the first longitudinal tube 172 and the second longitudinal tube 176 are both parallel to each other; connecting pipe 177 lower extreme fixed connection keeps away from one side of drain pipe 9 on water-cooled tube 18 surface upper portion, and connecting pipe 177 communicates with the inside each other of water-cooled tube 18, through being provided with and being in charge of subassembly 17, and first indulging put pipe 172 and second indulge and put pipe 176 crisscross distribution from top to bottom, can utilize the first lower cooling water of temperature of indulging in putting pipe 172 and the first indulging put pipe 172 to reduce the temperature in the cooler bin 3, and then help improving air-cooled cooling effect.

As shown in fig. 5 and 6, heat exchange water 54 is filled in the heat exchange box 5, four corners of the lower end of the heat exchange plate 6 are fixedly provided with semiconductor chilling plates 51, the lower ends of the four semiconductor chilling plates 51 are fixedly provided with a metal plate 52, the lower end of the metal plate 52 is fixedly provided with a plurality of radiating fins 53 at equal intervals, and the lower ends of the plurality of radiating fins 53 extend through the heat exchange box 5 to be below the liquid level of the heat exchange water 54 in the inner cavity thereof; one end of the semiconductor refrigeration sheet 51 close to the heat exchange plate 6 is a heat absorption end, and one end of the semiconductor refrigeration sheet 51 close to the metal plate 52 is a heat dissipation end; the middle part of the heat exchange tube 8 is bent, and the middle part of the heat exchange plate 6 is provided with a mounting groove 61 matched with the bent shape of the middle part of the heat exchange tube 8; in the water through the heat transfer that follow exhaust in the water-cooling tube 18 entered into heat exchange tube 8, utilize the crooked pipeline at heat exchange tube 8 middle part to increase the area of contact of heat exchange tube 8 and heat transfer board 6, thereby increase heat transfer area, simultaneously, four semiconductor refrigeration pieces 51 work, cool down heat transfer board 6, and then can make the cooling water in the heat exchange tube 8 cool down, extend to in the heat transfer case 5 with heat exchange water 54 large tracts of land contact through a plurality of radiating fin 53, and then can retrieve a certain amount of heat, make heat transfer water 54's temperature rise, and then realize thermal recycle.

The working principle of the utility model is as follows: when the cooling device is used, a high-temperature plastic pipeline extruded by an extruder passes through the cooling pipe 11, the centrifugal pump 12 is started, cooling water in the liquid storage tank 4 enters the branch pipe assembly 17 from the liquid inlet pipe 10 under the work of the centrifugal pump 12, the axial flow fan 16 is started at the same time, the cooling effect of air cooling can be achieved by utilizing the axial flow fan 16 and the vent holes 19, the first longitudinal pipe 172 and the second longitudinal pipe 176 are distributed in a vertically staggered manner, the temperature in the cooling tank 3 is further reduced by utilizing the cooling water with lower temperature in the first longitudinal pipe 172 and the first longitudinal pipe 172, the cooling effect of air cooling is further improved, the lower end of the connecting pipe 177 is fixedly connected to one side, away from the liquid outlet pipe 9, of the upper part of the outer surface of the water cooling pipe 18, the temperature of the water cooling pipe 18 can be rapidly reduced after the cooling water enters the water cooling pipe 18, the temperature of an extrusion pipeline in the cooling pipe 11 is further reduced, and the purpose of water cooling is achieved, through the water from the heat exchange of the exhaust in the water-cooling pipe 18 in entering into heat exchange tube 8, utilize the crooked pipeline at heat exchange tube 8 middle part to increase the area of contact of heat exchange tube 8 and heat transfer board 6, thereby increase heat transfer area, simultaneously, four semiconductor refrigeration pieces 51 work, cool down heat transfer board 6, and then can make the cooling water in the heat exchange tube 8 cool down, extend to in the heat transfer case 5 and contact with heat exchange water 54 by a large scale through a plurality of radiating fin 53, and then can retrieve a certain amount of heat, make the temperature of heat exchange water 54 rise, and then realize thermal recycle, water in the heat exchange tube 8 gets back to the liquid reserve tank 4 again after the heat transfer of heat transfer board 6 and stores, participate in next cooling cycle.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cooling setting device of plastic tubing extruder, includes first mounting bracket (1), second mounting bracket (2) and heat transfer case (5), its characterized in that: the cooling device is characterized in that a cooling box (3) is fixedly mounted at the upper end of the first mounting frame (1), a branch pipe assembly (17) and a water cooling pipe (18) are arranged in the cooling box (3), a cooling pipe (11) is fixedly mounted at the middle of the cooling box (3), two axial flow fans (16) are fixedly mounted at the upper end of the cooling box (3) in an embedded mode, a liquid storage box (4) is fixedly mounted at the upper end of the second mounting frame (2), a heat exchange plate (6) is fixedly mounted at the upper end of the heat exchange box (5), supporting legs (7) are fixedly mounted at two sides of the heat exchange plate (6), a drain pipe (14) is fixedly mounted at the lower portion of one end of the heat exchange box (5), a first water injection port (13) is arranged on one side of the upper end of the heat exchange box (5), a heat exchange pipe (8) is arranged in the heat exchange plate (6), and a liquid outlet pipe (9) is fixedly mounted at one end of the heat exchange pipe (8), the other end and liquid reserve tank (4) fixed connection and the inside of heat exchange tube (8) communicate with each other, the one end that heat exchange tube (8) were kept away from in drain pipe (9) extend to cooling tank (3) and with water-cooled tube (18) fixed connection, the one end fixedly connected with feed liquor pipe (10) of heat exchange tube (8) are kept away from in liquid reserve tank (4), the one end that liquid reserve tank (4) were kept away from in feed liquor pipe (10) extend to in cooling tank (3) and with minute pipe assembly (17) fixed connection, one side that liquid reserve tank (4) are close to in feed liquor pipe (10) is provided with centrifugal pump (12), the upper end one corner of liquid reserve tank (4) is provided with second water filling port (15).

2. A cooling and setting device for a plastic pipe extruder as claimed in claim 1, wherein: cooling tube (11) and water-cooled tube (18) are the integrated into one piece structure, and cooling tube (11) and water-cooled tube (18) inner chamber each other not communicate, drain pipe (9) upper end runs through cooling box (3) diapire and extends to its inside and water-cooled tube (18) surface lower part fixed connection and communicate with each other rather than inside, a plurality of ventilation hole (19) have been seted up to the inner chamber diapire of cooling box (3).

3. A cooling and setting device for a plastic pipe extruder as claimed in claim 1, wherein: the branch pipe assembly (17) comprises a first transverse pipe (171), a second transverse pipe (173), a third transverse pipe (175) and a fourth transverse pipe (178), a plurality of first longitudinal pipes (172) are fixedly connected between the first transverse pipe (171) and the second transverse pipe (173), a vertical pipe (174) is fixedly connected between the second transverse pipe (173) and the third transverse pipe (175), a plurality of second longitudinal pipes (176) are fixedly connected between the third transverse pipe (175) and the fourth transverse pipe (178) together, a connecting pipe (177) is fixedly installed in the middle of the lower end of the second longitudinal pipes (176), and one end, far away from the liquid storage tank (4), of the liquid inlet pipe (10 penetrates through the wall of the cooling tank (3) to extend to the interior of the cooling tank and is fixedly connected with the first transverse pipe (171).

4. A cooling and setting device for a plastic pipe extruder as claimed in claim 3, wherein: the first longitudinal pipes (172) and the second longitudinal pipes (176) are parallel to each other, and the first longitudinal pipes (172) and the second longitudinal pipes (176) are distributed in a vertically staggered manner.

5. A cooling and setting device for a plastic pipe extruder as claimed in claim 3, wherein: the lower end of the connecting pipe (177) is fixedly connected to one side, far away from the liquid outlet pipe (9), of the upper portion of the outer surface of the water-cooling pipe (18), and the connecting pipe (177) is communicated with the interior of the water-cooling pipe (18).

6. A cooling and setting device for a plastic pipe extruder as claimed in claim 1, wherein: heat transfer case (5) intussuseption is filled with heat transfer water (54), the equal fixed mounting in heat transfer board (6) lower extreme four corners has semiconductor refrigeration piece (51), and the common fixed mounting of the lower extreme of four semiconductor refrigeration pieces (51) has metal sheet (52), metal sheet (52) lower extreme equidistance fixed mounting has a plurality of radiating fin (53), and a plurality of radiating fin (53) lower extreme all runs through heat transfer case (5) and extends to below its inner chamber heat transfer water (54) liquid level.

7. A cooling and setting device for a plastic pipe extruder as claimed in claim 6, wherein: one end, close to the heat exchange plate (6), of the semiconductor refrigeration sheet (51) is a heat absorption end, and one end, close to the metal plate (52), of the semiconductor refrigeration sheet (51) is a heat dissipation end.

8. A cooling and setting device for a plastic pipe extruder as claimed in claim 1, wherein: the middle part of the heat exchange tube (8) is bent, and the middle part of the heat exchange plate (6) is provided with a mounting groove (61) matched with the bent shape of the middle part of the heat exchange tube (8).