WO2016026083A1

WO2016026083A1 - Foaming device for paper container

Info

Publication number: WO2016026083A1
Application number: PCT/CN2014/084711
Authority: WO
Inventors: 张静文
Original assignee: 张静文
Priority date: 2014-08-19
Filing date: 2014-08-19
Publication date: 2016-02-25

Abstract

A foaming device for paper containers is used to heat and foam the foamed material of at least one un-foamed paper container (80). The foaming and heating device for paper container comprises a carrier base (50) and a heating part (20). The carrier base (50) is used to support the un-foamed paper container (80) and comprises at least one bearing base (51), and the bearing base (51) can support the un-foamed paper container (80) to put the opening of the un-foamed paper container (80) in communication with the outside and present an open state. The heating part (20) comprises a heating device (21) and a gas flow guide device, and the gas flow guide device can guide the heat generated by the heating device to a special direction. The heating part (20) heats and foams the no-foamed paper container (80) on the carrier base (50), and therefore, hot gas can easily enter the interior of the paper container to facilitate to heat and foam by means of the high supported paper container and the gas flow guide device, and uniformly flowing hot gas makes foaming relatively uniformly.

Description

Paper container foaming device

The present invention relates to a foaming device, and more particularly to a paper container foaming device.

Background technique

Generally known heat-insulating disposable containers are often used for hot drinks or hot soups, and the heat-insulating layer is usually a foamed layer, which is coated with a foamed material on the outer wall of the formed paper container, and then applied at a high temperature. Its foaming expands.

In the prior art, a paper container carrying a plurality of coated foamed materials in a conveyor belt is foamed by a heating device, and after foaming and cooling are completed, the stack is collected collectively. However, in such a structure, in order to prevent the pouring, the paper container is placed on the conveyor belt with the opening facing downward and moved forward, that is, the opening of the paper container is closed, and the heat generated by the heating device can only be The paper container is heated by the outer side of the paper container, and the foamed material of the inner layer is more difficult to be foamed completely, or the time required for foaming is too long, so that when the inner layer foaming material is foamed, the outer layer is made. The foam material may have been subjected to excessive heat and foaming, which is not conducive to the improvement of the yield. Moreover, the paper container placed directly on the conveyor belt is easily dumped by air flow or vibration, which is more disadvantageous for the yield improvement: In addition, heating The heat generated by the device cannot be evenly distributed, that is, the temperature away from the heating device is lower, and the temperature near the heating device is higher, which may cause one side of the same paper container to overheat and overspread. The bubble is even broken, but the other side is insufficient in temperature and the foaming is incomplete, which in turn affects the yield. Moreover, since the heating device must be located only at a specific position in the heating space, The heat is only transmitted by air and is more difficult to transfer to a distant place, so that the temperature difference is too large, which is not conducive to uniform foaming.

Summary of the invention

SUMMARY OF THE INVENTION An object of the present invention is to provide a paper container foaming device which contributes to an increase in the foaming rate and the degree of foaming uniformity.

To achieve the above object, the present invention adopts the following technical solutions:

The present invention provides a paper container foaming device for thermally foaming a foamed material of at least one unfoamed paper container, the paper container foaming heating device comprising a carrier and a heating portion.

The carrier for carrying the unfoamed paper container, wherein the carrier comprises at least one socket capable of supporting the unfoamed paper container to enable an opening of the unfoamed paper container versus The external portion is open and open; the heating portion has a heating device and a gas flow guiding device, and the air guiding device can guide the heat generated by the heating device to a specific direction, the heating portion is provided on the carrier The unfoamed paper container is heated and foamed.

One end of the socket has a support portion having a larger outer diameter, the socket can extend into the interior of the unfoamed paper container, and the support portion supports the bottom of the unfoamed paper container, so that The unfoamed paper container is propped up, and the opening of the unfoamed paper container communicates with the outside to be open.

The heating device is a heating plate disposed on the top of the heating portion, the airflow guiding device includes at least one air supply port and at least one air return port, and the air supply port is located at the top of the heating portion, The air return port is located at the bottom of the heating portion, and the air supply port can output an air flow, and the air return port can suck the air flow out of the heating portion to guide the heat generated by the heating device to facilitate heating the unfoamed paper container. Foaming.

The paper container foaming device comprises a plurality of spaced-apart sockets, wherein the airflow guiding device comprises a plurality of air supply ports and at least one air return port, wherein each air supply port position corresponds to two adjacent ones of the air bearing ports. Between the seats.

Below the heating device there is a baffle for blocking the direct transfer of heat generated by the heating device.

The air supply port and the air return port communicate with each other to form a gas circulation system.

The invention has the beneficial effects that: since the socket protrudes from the paper container to expose the opening of the paper container, the hot air can enter the inside of the paper container through the opening of the paper container, so that both the inner and outer sides of the foamed material can be simultaneously heated. In order to increase the foaming rate, the airflow guiding device makes the heat distribution of all the spaces in the heating part more uniform, and the fast flowing hot air further increases the foaming rate. DRAWINGS

Figure 1 is a perspective view of the present invention.

Figure 2 is a schematic view of the feed portion and the heating portion of the present invention.

Figure 3 is a side view of the feed portion and the heating portion of the present invention.

Figure 4 is a side view of the heating portion and the receiving portion of the present invention.

Figure 5 is a front elevational view of the heating portion of the present invention.

Figure 6 is a schematic view of the state of use of the present invention.

LIST OF REFERENCE NUMERALS 10: Feeding section; 11: Feeding pipe; 11 1 : Feeding port; 20: Heating section; 21: Heating means; 22: Air supply port; 23: Air return port; 24: Baffle plate; : Cooling section; 40: Receiving section; 41: Receiving pipe; 41 1 : Receiving port; 50: Carrier; 51: Seat; 511: Support; 52: Gear; 60: Track; Top surface; 70: Chain conveyor structure; 80, 80a: Unfoamed paper container; 80': Paper container. detailed description

The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the present invention.

Referring to FIG. 1 to FIG. 5, the present invention provides a paper container foaming device for heating and foaming a plurality of foamed materials of an unfoamed paper container 80, wherein the foamed material is coated on each of the unfired materials. The outer wall surface of the foam container 80, in the main embodiment of the present invention, the paper container foaming device comprises a feeding portion 10, a heating portion 20, a cooling portion 30, a receiving portion 40 and a plurality of movable portions The loading base 50, wherein the feeding portion 10, the heating portion 20, the cooling portion 30 and the receiving portion 40 are sequentially arranged in a machine, and the loading blocks 50 are located in the machine. The feeding portion 10, the heating portion 20, the cooling portion 30, and the receiving portion 40 are sequentially passed.

Each of the carriers 50 is configured to carry the unfoamed paper containers 80 and the plurality of carriers 50 are sequentially arranged in the direction in which they move. Each of the carriers 50 includes a moving mechanism and a plurality of sockets 51. The sockets 51 are arranged in a direction perpendicular to the moving direction of the carrier 50. Each of the sockets 51 includes a rotating mechanism, and the rotating mechanism makes the sockets when the loading blocks 50 are moved by the moving mechanism. The 51 rotates about a predetermined axis of rotation that is perpendicular to the direction of movement of the carrier 50. In more detail, the moving mechanism includes a chain conveying structure 70 fixed to the chain conveying structure 70 and capable of being carried by the chain conveying structure 70 to move in a predetermined direction, wherein the chain conveying structure 70 extends The feeding portion 10, the heating portion 20, the cooling portion 30, and the receiving portion 40 are in a circulating shape, and the plurality of carriers 50 are fed from the feeding portion 10 to the heating portion 20 and the cooling portion. 30 is fed to the receiving portion 40 and wraps around the feeding portion 10. In another aspect, the paper container foaming device provided by the present invention has a plurality of rails 60, and the rotating mechanism of each of the sockets 51 includes a gear 52 disposed coaxially with the socket 51, the gear 52 and one of the rails 60 and one of the rails 60 When the moving mechanism drives the carrier 50 to move, the socket 51 rotates due to the friction between the gear 52 and the rail 60. More specifically, each of the rails 60 is located adjacent to each other. There is an abutting surface 61 on each of the opposite sides of the bearing 51, and the gears 52 on both sides of the rail 60 respectively abut against the two abutting surfaces 61. In addition, the top of each of the sockets 51 has a support portion 511 having a larger outer diameter, and the socket 51 can extend into the interior of the unfoamed paper container 80. The support portion 511 supports the unfoamed paper container. The bottom of the 80, the unfoamed paper container 80 is erected, and the opening of the unfoamed paper container 80 is open to the outside to facilitate the entry of hot air into the interior of the unfoamed paper container 80. The foaming speed can further heat and foam the foamed material of the inner layer from the inside at the same time, so as to avoid excessive foaming of the foamed material of the outer layer but not foaming of the foamed material of the inner layer. situation. The feeding portion 10 includes a plurality of feeding tubes 11 which are arranged longitudinally and in parallel, and a feeding port 111 is formed at the bottom end of each of the feeding tubes 11, and the feeding tubes 11 are accommodated. The unfoamed paper containers 80 are transported to the feed ports 111, wherein the openings of the unfoamed paper containers 80 face downward and the bottom faces upwards. The arrangement of the nozzles 111 corresponds to the arrangement of the sockets 51, that is, each of the inlets 111 corresponds to one of the sockets 51, and when the carrier 50 is moved to the feeding portion 10, The sockets 51 respectively receive the unfoamed paper containers 80 output from the feed ports 111.

The heating unit 20 has at least one heating device 21 and at least one airflow guiding device. The heating device 21 is preferably a heating plate disposed on the top of the heating portion 20, and the airflow guiding device includes a plurality of air supply ports 22 And at least one gas return port 23, each of the gas supply ports 22 is located at the top of the heating portion 20, and the gas return port 23 is located at the bottom of the heating portion 20, and the gas supply port 22 can output an air flow to the heating portion 20 (for example, nozzle spraying The air outlet 23 can suck the airflow from the heating portion 20 to guide the heat generated by the heating device 21 downward. Preferably, the air supply port 22 and the air return port 23 are an external pipe. A gas flow circulation system is formed in communication with each other. Further, a baffle 24 is further disposed under the heating device 21 for blocking the heat generated by the heating device 21 from directly radiating downward. In particular, when the carrier 50 carrying the unfoamed paper container 80 enters the heating portion 20, the position of each of the air supply ports 22 corresponds to between two adjacent sockets 51, so that the supply The airflow ejected from the port 22 can carry heat to the outer wall of the unfoamed paper container 80 carried on the two adjacent sockets 51 to surely heat-expand the foamed material.

The cooling unit 30 is configured to cool the paper container 80' which has been heated and foamed to facilitate subsequent processes such as receiving, packaging, etc., that is, when carrying the carrier 50 of the paper container 80' which has been heated and foamed. In the cooling unit 30, the cooling unit 30 cools the paper containers 80.

The receiving portion 40 includes a plurality of receiving tubes 41, and the receiving tubes 41 are arranged longitudinally and in parallel, and a receiving port 411 is formed at the bottom end of each of the receiving tubes 41, and the receiving ports 411 respectively The paper containers 80' which have been foamed on the sockets 51 are recovered and transported upward through the receiving tubes 41 for subsequent packaging operations. The arrangement of the receiving ports 411 and the receiving tubes 41 corresponds to the arrangement of the sockets 51. When the carrier 50 carries the paper containers 80' which have been foamed, the paper containers 80' The material receiving portion 411 corresponds to the positions of the plurality of sockets 51, so that the receiving ports 411 can respectively recover the paper containers 80' on one of the sockets 51. In other words, the feed ports 111 corresponding to the paper containers 80' are aligned with the receiving ports 411 so as to correspond to each other, so that the paper containers 80' of the same group can be output by the same feed port 111 and be in the same position. The socket 51 is carried and foamed, and is recovered by the same receiving port 411. The same group is maintained before and after the process without confusion. In actual operation, as shown in FIG. 6 and FIG. 2, the user can place the same group of unfoamed paper containers 80, 80a in each feeding tube 11 (for example, the same size, the same color, the same style or the same customer) The goods of the order are corresponding to each other through the feed port, the socket and the receiving port, and the unfoamed paper containers 80, 80a of the same group can be carried and foamed by the socket 51 at the same position, and then received by the same The material port 41 1 is recovered, stacked, and even packaged. Thus, as shown in FIG. 6 and FIG. 2, different groups of paper containers can be simultaneously transported, foamed, and placed by being placed in different feeding tubes 11. Cooling and recycling, and will not be mixed with other groups of paper containers, only the same group of paper containers will be recycled and piled up, which is quite conducive to subsequent processing, packaging and classification operations, but also for small The quantity is produced, that is to say, when the paper containers placed in each feeding tube are divided into different groups, a small amount of multi-style production can be performed in a short time.

The airflow guiding device in the invention can effectively transfer the heat generated by the heating device downwards quickly and uniformly, avoiding the problem of local excessively high temperature and insufficient local temperature, thereby avoiding excessive foaming and foaming in a region with more heat. Even the high temperature penetrating paper container destroys the inner laminating layer, and the less heated area is incompletely foamed; further, since the air supply port of the air guiding device is just aligned with the two adjacent seats In other words, the airflow from the air supply port carries heat and reaches the outer wall of the two adjacent sockets, so that the heating efficiency is improved; even, because the airflow flows downward, the paper container can be more firmly supported. On the seat, it is not easy to overturn and affect the yield.

On the other hand, since the socket rotates while moving, the outer wall of the carried paper container can be uniformly heated, and even if the heating portion is not heated uniformly, the socket can still reduce the outer wall of the paper container through the rotation. The difference in the degree of foaming.

In addition, the socket can support the paper container so that the opening of the paper container communicates with the outside to be open, that is, the hot air can enter the inside of the paper container, and the inside and the outside are simultaneously heated to accelerate foaming and make the heating more uniform. .

In summary, the present invention has a plurality of spaced-apart carrier holders continuously moving forward through the chain transport structure, thereby achieving rapid, high-volume production, and products of different groups are not mixed with each other, The high-speed airflow that can be rotated and supported and the high-speed airflow that carries hot air increase the heating rate and uniformity, greatly improving yield, production and production efficiency, and is highly effective.

Claims

Rights request

A paper container foaming device for thermally foaming a foamed material of at least one unfoamed paper container, characterized in that the paper container foaming device comprises:

a carrier for carrying the unfoamed paper container, wherein the carrier comprises at least one socket capable of supporting the unfoamed paper container to enable an opening of the unfoamed paper container Open to the outside world;

a heating portion having a heating device and a gas flow guiding device, the air guiding device capable of guiding the heat generated by the heating device to a specific direction, the heating portion for unfoaming on the carrier The paper container is heated and foamed.

The paper container foaming device according to claim 1, wherein one end of the socket has a large outer diameter supporting portion, and the socket can extend into the interior of the unfoamed paper container The support portion supports the bottom of the unfoamed paper container to support the unfoamed paper container, and the opening of the unfoamed paper container communicates with the outside to be open.

The paper container foaming device according to claim 1, wherein the heating device is a heating plate disposed on a top of the heating portion, and the airflow guiding device comprises at least one air supply port and At least one gas return port, the gas supply port is located at the top of the heating portion, the gas return port is located at the bottom of the heating portion, the gas supply port can output an air flow, and the gas return port can suck the air flow out of the heating portion to the heating device The generated heat is directed downward to facilitate heat foaming of the unfoamed paper container.

The paper container foaming device according to claim 3, comprising: a plurality of spaced-apart sockets, wherein the airflow guiding device comprises a plurality of air supply ports and at least one air return port, wherein each of the air supply ports The port position corresponds to between two adjacent seats.

The paper container foaming device according to claim 1, wherein the lower portion of the heating device further has a baffle for blocking the heat generated by the heating device to directly radiate downward.

The paper container foaming device according to claim 3, wherein the air supply port and the air return port communicate with each other to form an air circulation system.