CN218084043U

CN218084043U - PLA sheet cooling device

Info

Publication number: CN218084043U
Application number: CN202122168298.5U
Authority: CN
Inventors: 王明清; 郑佳祎; 王建忠
Original assignee: Suzhou Shengwanda Plastic Packaging Material Co ltd
Current assignee: Suzhou Shengwanda Plastic Packaging Material Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-12-20
Anticipated expiration: 2031-09-08

Abstract

The utility model belongs to the technical field of the PLA sheet production technique and specifically relates to a PLA sheet cooling device, including cooling frame, roller and filter screen, the lower extreme fixedly connected with air-cooler of cooling frame, the outer end sealing connection of air-cooler has a tuber pipe, the inboard sealing connection who goes out the tuber pipe has the air-supply line, sealing connection between air-supply line and the cooling frame, the inboard of cooling frame is equipped with the roller, the inboard rotation of roller is connected with the chill roll, the inboard fixedly connected with latch of chill roll, the inboard meshing of latch is connected with the gear, the utility model discloses in, through the air-cooler that sets up, play tuber pipe and air-supply line, utilize the effect of air-cooler to make the cooling can be through going out in the tuber pipe entering air-supply line to utilize the effect of air-supply line to make air conditioning can be comprehensive carry out cooling treatment to the PLA sheet of extruding, can thereby outside carry out cooling treatment to the PLA sheet, make the PLA sheet can cool off the shaping fast.

Description

PLA sheet cooling device

Technical Field

The utility model relates to a PLA sheet production technical field specifically is a PLA sheet cooling device.

Background

With the development of society, the application of PLA is more and more extensive, PLA is short for polylactic acid, polylactic acid is polyester, lactic acid is a biological monomer existing in nature, PLA is thermoplastic, can be processed by the process of general processing plastics to be made into films, sheets and fibers, PLA has soft and hard properties, is transparent, can be made into opaque materials, can be added with fillers, can be made into very thin sheets due to high strength, is insoluble in water and has good water resistance and oil resistance.

In the prior art, an extrusion mode is adopted for production of a PLA sheet, the moldability of the PLA sheet cannot be guaranteed after the PLA sheet is softened during extrusion, the PLA sheet is easy to stretch, and the outer surface of the PLA sheet cannot be rapidly cooled during traditional cooling, so that the molding efficiency of the PLA sheet is influenced; and the roller bearing the PLA sheet is easy to heat up after being used for a long time in the production process, so that the cooling efficiency of the PLA sheet is influenced, the PLA sheet is easy to soften again, and the production, processing and use of the PLA sheet are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PLA sheet cooling device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a PLA sheet cooling device, includes cooling frame, roller and filter screen, the lower extreme fixedly connected with air-cooler of cooling frame, the outer end sealing connection of air-cooler has a tuber pipe, the inboard sealing connection who goes out the tuber pipe has the air-supply line, sealing connection between air-supply line and the cooling frame, the inboard of cooling frame is equipped with the roller, the inboard rotation of roller is connected with the chill roll, the inboard fixedly connected with latch of chill roll, the inboard meshing of latch is connected with the gear, rotate between gear and the roller and be connected, the splitter box has been seted up in the outside of chill roll.

Preferably, the inside fixedly connected with buffer board of cooling frame, the exhaust vent has been seted up to the inboard of buffer board, the inboard of buffer board is equipped with the filter screen, fixed connection between filter screen and the cooling frame.

Preferably, the outside fixedly connected with mounting panel of cooling frame, the quantity of mounting panel has four, the mounting panel sets up about the center pin symmetry of cooling frame.

Preferably, the front end of the roller is hermetically connected with a liquid inlet pipe, and liquid injection grooves are respectively arranged between the front end and the rear end of the roller and between the front end and the rear end of the cooling roller.

Preferably, the number of the gears is two, the rear ends of the gears are provided with motors, the gears are rotatably connected with the motors through output shafts, and the motors are fixedly connected with the rollers.

Preferably, an air inlet groove is formed in the cooling frame, four air inlet grooves are formed in the cooling frame, and the air inlet grooves are arranged in a circular mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the cold air can enter the air inlet pipe through the air outlet pipe by the action of the air cooler through the arranged air cooler, the air outlet pipe and the air inlet pipe, so that the cold air can comprehensively cool the extruded PLA sheet by the action of the air inlet pipe, the PLA sheet can be cooled from the outside, and the PLA sheet can be rapidly cooled and formed;

2. the utility model discloses in, through the chill roll that sets up, latch and gear, the rotation that utilizes the gear makes the latch can drive the chill roll and rotate, thereby make the coolant liquid between chill roll and the roller can rotate and carry out cooling treatment to the roller, thereby make the temperature of roller reduce, make the roller can carry out cooling treatment to the PLA sheet from the inboard, make the shaping efficiency of PLA sheet obtain further promotion, and can promote PLA shaping quality, prevent that the roller temperature from promoting and cause the influence to the production quality of PLA sheet.

Drawings

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

fig. 2 is a schematic view of the installation structure at a of fig. 1 according to the present invention;

FIG. 3 is a left sectional view of the installation structure of the roller and the cooling roller of the present invention;

FIG. 4 is a schematic view of the installation structure of the buffer plate of the present invention;

fig. 5 is a right side view of the installation structure of the cooling frame, the air cooler and the air outlet pipe of the present invention.

In the figure: 1. a cooling frame; 2. an air cooler; 3. an air outlet pipe; 4. an air inlet pipe; 5. a roller; 6. a cooling roll; 7. clamping teeth; 8. a gear; 9. a splitter box; 10. a buffer plate; 11. filtering with a screen; 12. mounting a plate; 13. a liquid inlet pipe; 14. a liquid injection groove; 15. an electric motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment 1, please refer to fig. 1-5, the present invention provides a technical solution: a PLA sheet cooling device comprises a cooling frame 1, a roller 5 and a filter screen 11, wherein the lower end of the cooling frame 1 is fixedly connected with an air cooler 2, the outer end of the air cooler 2 is hermetically connected with an air outlet pipe 3, the inner side of the air outlet pipe 3 is hermetically connected with an air inlet pipe 4, so that the air cooler 2 can blow cold air to cool the outer surface of a produced PLA sheet, the roller 5 is arranged on the inner side of the cooling frame 1, a cooling roller 6 is rotatably connected to the inner side of the roller 5, a latch 7 is fixedly connected to the inner side of the cooling roller 6, the inner side of the latch 7 is meshed with a gear 8, so that the cooling roller 6 can rotate on the inner side of the roller 5 through the rotation of the gear 8, the gear 8 is rotatably connected with the roller 5, a diversion groove 9 is arranged on the outer side of the cooling roller 6, so that the cooling liquid can enter the diversion groove 9 to circulate the cooling liquid, and the roller 5 is convenient to cool the roller 5, the outer side of the cooling frame 1 is fixedly connected with four mounting plates 12, the number of the mounting plates 12 is four, the mounting plates 12 are symmetrically arranged about the central axis of the cooling frame 1, so that the cooling frame 1 can be fixedly arranged at the extrusion end of a PLA manufacturing machine, the front end of the roller 5 is hermetically connected with a liquid inlet pipe 13, liquid injection grooves 14 are respectively arranged between the front end and the rear end of the roller 5 and the cooling roller 6, so that cooling liquid can enter the diversion grooves 9 through the liquid injection grooves 14, the number of the gears 8 is two, the rear end of the gear 8 is provided with a motor 15, the gear 8 is rotatably connected with the motor 15 through an output shaft, the motor 15 is fixedly connected with the roller 5, so that the cooling roller 6 can automatically rotate, the flowing speed of the cooling liquid is accelerated, the cooling efficiency of the roller 5 is improved, an air inlet groove is formed in the cooling frame 1, and the number of air inlet grooves in the cooling frame 1 is four, the intake stack is circular setting, makes air conditioning can be all-round carry out cooling treatment to the PLA sheet of extruding, makes PLA sheet can rapid prototyping.

Embodiment 2, please refer to fig. 1-3, the difference between this embodiment and embodiment 1 is: the inside fixedly connected with buffer board 10 of cooling frame 1, the exhaust vent has been seted up to the inboard of buffer board 10, can cushion the air conditioning that gets into, prevent that the wind speed is too high and cause the influence to the production of PLA sheet, the inboard of buffer board 10 is equipped with filter screen 11, fixed connection between filter screen 11 and the cooling frame 1, the impurity that carries in making air conditioning can obtain filtering, prevent that impurity from following air conditioning and blowing the production quality who attaches at the surface of PLA sheet and influence the PLA sheet.

The working process is as follows: this device adopts the power supply of PLA sheet making machine to supply power when using, when carrying out cooling treatment to the PLA sheet of extruding, start air-cooler 2, thereby make air conditioning get into air-supply line 4 respectively through going out tuber pipe 3, thereby make air conditioning can get into in cooling frame 1, and cushion air conditioning through buffer board 10 that sets up, filter the impurity that air conditioning carried through filter screen 11 that sets up simultaneously, prevent that impurity from attaching to the PLA sheet surface of extruding and influencing the use of PLA sheet, thereby make air conditioning can be stable carry out surface cooling treatment to the PLA sheet of extruding, starting motor 15 when PLA sheet extrudes simultaneously, and pour into the coolant liquid into between roller 5 and chill roll 6 through feed liquor pipe 13, make the coolant liquid can get into the reposition of redundant personnel inslot 9, and make gear 8 can drive latch 7 through the rotation of motor 15, thereby make chill roll 6 can drive the coolant liquid and flow at the internal surface of roller 5, thereby make the coolant liquid can be abundant carry out cooling treatment to roller 5, prevent that roller 5 from being too high and influencing the extrusion molding of PLA sheet, and thereby can handle the inboard cooling treatment of PLA sheet, the efficiency of PLA sheet further promotes the PLA shaping.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A PLA sheet cooling device, includes cooling frame (1), roller (5) and filter screen (11), its characterized in that: the utility model discloses a cooling roller, including cooling frame (1), lower extreme fixedly connected with air-cooler (2), the outer end sealing connection of air-cooler (2) has a tuber pipe (3), the inboard sealing connection who goes out tuber pipe (3) has air-supply line (4), sealing connection between air-supply line (4) and cooling frame (1), the inboard of cooling frame (1) is equipped with roller (5), the inboard rotation of roller (5) is connected with cooling roller (6), the inboard fixedly connected with latch (7) of cooling roller (6), the inboard meshing of latch (7) is connected with gear (8), rotate between gear (8) and roller (5) and be connected, splitter box (9) have been seted up in the outside of cooling roller (6).

2. A PLA sheet cooling device as claimed in claim 1, wherein: the inside fixedly connected with buffer board (10) of cooling frame (1), the exhaust vent has been seted up to the inboard of buffer board (10), the inboard of buffer board (10) is equipped with filter screen (11), fixed connection between filter screen (11) and cooling frame (1).

3. A PLA sheet cooling device as claimed in claim 1, wherein: the outside fixedly connected with mounting panel (12) of cooling frame (1), the quantity of mounting panel (12) has four, mounting panel (12) set up about the central axis symmetry of cooling frame (1).

4. A PLA sheet cooling device as claimed in claim 1, wherein: the front end of the roller (5) is hermetically connected with a liquid inlet pipe (13), and liquid injection grooves (14) are respectively arranged between the front end and the rear end of the roller (5) and the cooling roller (6).

5. A PLA sheet cooling device as claimed in claim 1, wherein: the number of the gears (8) is two, the rear end of the gear (8) is provided with a motor (15), the gear (8) is rotatably connected with the motor (15) through an output shaft, and the motor (15) is fixedly connected with the roller (5).

6. A PLA sheet cooling device as claimed in claim 1, wherein: the air inlet groove has been seted up to the inside of cooling frame (1), the quantity of the inside air inlet groove of cooling frame (1) is equipped with four, the air inlet groove is circular setting.