CN218893889U - Oven and foaming system comprising same - Google Patents

Abstract

The utility model discloses an oven and a foaming system comprising the oven. The baking oven can be used for foaming the artificial leather foaming layer material, and comprises an upper hot air nozzle, a lower hot air nozzle and a foaming space positioned between the upper hot air nozzle and the lower hot air nozzle, wherein the upper hot air nozzle is provided with an elongated upper air outlet, an upper guide plate positioned below the upper air outlet is arranged on the baking oven, and the upper guide plate is provided with a plurality of through holes. The guide plate is arranged below the upper air outlet to guide the hot air sprayed from the upper air outlet, so that on one hand, the uniformity of the hot air sprayed to the surface of the artificial leather foaming layer material can be effectively improved, the heated uniformity of the artificial leather foaming layer material is improved, the foaming uniformity of the artificial leather foaming layer material is ensured, and the overall thickness uniformity of the artificial leather is further ensured; on the other hand, the service life of the oven can be prolonged, and even if the upper hot air nozzle is deformed due to heating, the upper hot air nozzle does not need to be replaced or maintained immediately.

Description

Oven and foaming system comprising same

[ field of technology ]

The utility model relates to an oven and a foaming system comprising the oven, in particular to an oven for foaming artificial leather foaming layer materials and a foaming system comprising the oven.

[ background Art ]

As a surface finishing material, artificial leather is widely used in various fields such as automobiles and home furnishings, and common artificial leather includes polyvinyl chloride (PVC) artificial leather, thermoplastic polyolefin elastomer (TPO) artificial leather, polyurethane (PU) artificial leather, and the like. In certain specific application scenes, the artificial leather needs to be formed with a foaming layer for making the artificial leather softer, meanwhile, the material consumption can be saved on the premise of meeting the same thickness, and the foaming layer needs to be formed by adopting a foaming system formed by equipment such as an oven for foaming the foaming layer material at high temperature.

I have developed an oven for foaming a foamed material of artificial leather, which comprises a hot air generating device and a hot air nozzle forming a foaming space, wherein the hot air nozzle is provided with a plurality of slender air outlets, and in the use process, the hot air sprayed from the air outlets is found to be relatively uniform, and the thickness of the produced foamed layer of artificial leather is relatively uniform. In order to solve the technical problem, it is conventional practice to replace the whole hot air nozzle or cut the deformed part, repair the part and then weld the part again, the former is high in cost, the latter is complex in construction and the cost is high.

It is therefore desirable to propose a new solution to at least one of the above mentioned technical problems.

[ utility model ]

The technical problems to be solved by the utility model are as follows: the utility model provides a foaming system of oven and containing this oven, it can improve the homogeneity that the synthetic leather foaming layer material foamed, and life is longer.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an oven that synthetic leather foaming layer material foaming was used, the oven is including last steam nozzle, lower steam nozzle and be located go up steam nozzle with foam space between the steam nozzle down, go up the steam nozzle and have long and thin last gas outlet, the oven is provided with and is located go up the upper guide plate of the below of gas outlet, it has a plurality of through-holes to go up the guide plate.

In a preferred embodiment, the upper baffle is removably mounted to the upper hot gas nozzle.

In a preferred embodiment, the upper deflector is provided with a main body portion and a pair of mounting grooves above the main body portion and arranged at intervals, and the upper hot gas nozzle is provided with fixing pieces which are positioned on both sides of the upper gas outlet and are slidably mounted to the pair of mounting grooves.

In a preferred embodiment, the upper deflector has a main body portion through which the plurality of through holes penetrate up and down, the main body portion has an upper surface, and the distance from the upper air outlet to the upper surface is 5-10cm.

In a preferred embodiment, the area of the through holes arranged in the transverse direction is larger than the area of the upper air outlet in the transverse direction, and the density of the through holes is 10000-50000 per square meter.

In a preferred embodiment, the diameter of the through hole is 1-5mm.

In a preferred embodiment, the upper baffle is made of stainless steel, and the thickness of the upper baffle is 1-3mm.

In a preferred embodiment, the upper hot air nozzle is provided with a plurality of upper air outlets which are arranged at intervals, and the oven is provided with two or more upper guide plates which are positioned below the plurality of upper air outlets.

In a preferred embodiment, the lower hot gas nozzle has an elongated lower gas outlet, and the oven is provided with a lower baffle above the lower gas outlet.

In order to solve the technical problems, the utility model can also adopt the following technical scheme: a foaming system comprising an oven as described in any one of the preceding embodiments and a carrier for carrying a foamed layer material of artificial leather and delivering the foamed layer material of artificial leather to the foaming space for foaming.

Compared with the prior art, the utility model has the following beneficial effects: the guide plate is arranged below the upper air outlet to guide the hot air sprayed from the upper air outlet, so that on one hand, the uniformity of the hot air sprayed to the surface of the artificial leather foaming layer material can be effectively improved, the heated uniformity of the artificial leather foaming layer material is improved, the foaming uniformity of the artificial leather foaming layer material is ensured, and the uniformity of the whole thickness of the artificial leather is further ensured; on the other hand, can prolong the life of oven, even go up the steam nozzle and take place to warp because of being heated, also need not to change immediately or maintain, it still can use a period of time, simultaneously, compare in directly changing whole upper steam nozzle or maintenance, the cost is lower, and processing is more convenient.

[ description of the drawings ]

Fig. 1 is a partial perspective view of a foaming system according to a preferred embodiment of the present utility model.

Fig. 2 is a side view of the foaming system shown in fig. 1.

Fig. 3 is a perspective view of the upper hot gas nozzle and upper baffle of the oven of the foaming system of fig. 1.

FIG. 4 isbase:Sub>A cross-sectional view of the upper hot gas nozzle and upper baffle of FIG. 3 taken along line A-A, wherein only two nozzles and one upper baffle are shown in full.

Fig. 5 is an enlarged view of a portion of the upper hot gas nozzle and upper baffle shown in fig. 4.

[ detailed description ] of the utility model

The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, other embodiments that may be obtained by those skilled in the art without making any inventive effort are within the scope of the present utility model.

Referring to fig. 1 and 2, the present utility model provides a foaming system 1000 that may be used, but is not limited to, for foaming of a foamed layer material of artificial leather. The foaming system 1000 comprises an oven 100 and a carrier 200 for carrying the foaming layer material of the artificial leather and conveying the foaming layer material into the oven 100. The oven 100 is described with emphasis below.

With continued reference to fig. 1 and 2, the oven 100 includes an upper hot air nozzle 1, a lower hot air nozzle 2, and a foaming space 3 between the upper hot air nozzle 1 and the lower hot air nozzle 2, and the carrier 200 conveys the artificial leather foaming layer material to the foaming space 3 according to a direction F for foaming. Referring to fig. 4 and 5, the upper hot air nozzle 1 has an elongated upper air outlet 11, the lower hot air nozzle 2 has an elongated lower air outlet 21, and the upper air outlet 11 and the lower air outlet 21 may be sized and number according to actual situations. In this embodiment, the upper hot air nozzle 1 has a plurality of upper air outlets 11 and a plurality of lower air outlets 21, the upper hot air nozzle 1 is provided with a plurality of nozzles 101 spaced from each other, each of the nozzles 101 includes a spray cavity 102 having an inverted trapezoid cross section and the upper air outlets 11 communicating with the bottom of the spray cavity 102, and the lower hot air nozzle 2 has the same structure as the upper hot air nozzle 1.

With particular reference to fig. 2, 3 and 5, the oven 100 is provided with an upper baffle 4 located below the upper air outlet 11, the upper baffle 4 having a plurality of through holes 41. According to the utility model, the guide plate 4 is arranged below the upper air outlet 11 to guide the hot air sprayed from the upper air outlet 11, so that on one hand, the uniformity of the hot air sprayed to the surface of the artificial leather foaming layer material can be effectively improved, and the uniformity of heating of the artificial leather foaming layer material is improved, so that the uniformity of foaming of the artificial leather foaming layer material is ensured, and the uniformity of the whole thickness of the artificial leather is further ensured; on the other hand, the service life of the oven 100 can be prolonged, and even if the upper hot air nozzle 1 is deformed due to heating, the oven can be used for a period of time without being replaced or maintained immediately, and meanwhile, compared with the process of directly replacing the whole upper hot air nozzle or maintaining, the oven is lower in cost and more convenient to process. The upper baffle 4 is preferably made of stainless steel, and is not easy to rust. The thickness of the upper baffle 4 is preferably 1-3mm, if it is too thin, it is easy to deform, if it is too thick, it is heavy, it is difficult to punch, and it is costly. Further, the upper deflector 4 is detachably mounted on the upper hot air nozzle 1, so that the upper deflector 4 can be conveniently maintained or replaced when being severely deformed or damaged due to high temperature or other reasons. In this embodiment, the upper deflector 4 has a main body 40 and is provided with a pair of mounting grooves 42 above the main body 40 at intervals, and the upper hot gas nozzle 1 is provided with fixing members 12 located at both sides of the upper gas outlet 11 and slidably mounted to the pair of mounting grooves 42.

Referring to fig. 1 and 3, the aperture of the through hole 41 is 1-5mm, preferably 2-4mm, and if the aperture of the through hole 41 is too small, the hot air flow is not easy to pass through, the heat loss is large, and if the aperture of the through hole 41 is too large, the hot air flow passes through at a too high speed, the hot air flow is difficult to mix uniformly, and the effect of uniformly dispersing the heat is difficult to be achieved. The area of the through holes 41 arranged in the transverse direction is larger than the area of the upper air outlet 11 in the transverse direction, so that the hot air can be effectively and uniformly dispersed. Further, the density of the through holes 41 is 10000-50000 per square meter, preferably 20000-40000 per square meter, so that if the density of the through holes 41 is too small, the hot air flow is not easy to pass through, the heat loss is large, and if the density of the through holes 41 is too large, the hot air flow passes through at a too high speed, the hot air flow is difficult to mix uniformly, and the effect of uniformly dispersing the heat is difficult to be achieved.

Referring to fig. 3 to 5, the plurality of through holes 41 penetrate the main body 40 up and down, the main body 40 has an upper surface 410, the distance D from the upper air outlet 11 to the upper surface 410 is 5-10cm, and if the distance is too small, the hot air flow directly passes through the through holes 41, so that it is difficult to achieve the effect of uniformly dispersing the hot air flow; in case the distance is too large, or the upper baffle 4 runs the risk of touching the surface of the artificial leather foam layer material, or the volume of the oven 100 needs to be increased.

Referring to fig. 2 and 3, when the upper hot air nozzle 1 has a plurality of upper air outlets 11 arranged at intervals, the oven 100 may be provided with two or more upper guide plates 4 positioned below a plurality of upper air outlets 11, so as to facilitate the installation and removal of the upper guide plates 4 on the one hand, and the layout of the internal structure of the oven 100 on the other hand.

Referring to fig. 1 and 2, the carrier 200 is a release paper, and the hot air sprayed from the lower hot air nozzle 2 is diffused when reaching the release paper, so that the oven 100 may or may not be provided with a lower baffle above the lower air outlet 11, and the lower baffle may or may not have the same structure as the upper baffle 4.

It will be appreciated that the above embodiments of the utility model can be combined with each other to obtain further embodiments without conflict. The individual technical features described in the above embodiments may be combined in any suitable manner without contradiction.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Claims (10)

1. The utility model provides an oven that synthetic leather foaming layer material foaming was used, the oven is including last steam nozzle, lower steam nozzle and be located go up steam nozzle with foam space between the steam nozzle down, go up steam nozzle and have long and thin last gas outlet, its characterized in that: the oven is provided with an upper guide plate positioned below the upper air outlet, and the upper guide plate is provided with a plurality of through holes.

2. The oven of claim 1, wherein: the upper guide plate is detachably arranged on the upper hot gas nozzle.

3. An oven as claimed in claim 2, characterized in that: the upper guide plate is provided with a main body part and a pair of mounting grooves which are arranged above the main body part at intervals, and the upper hot gas nozzle is provided with fixing pieces which are arranged on two sides of the upper gas outlet and are slidably mounted to the pair of mounting grooves.

4. The oven of claim 1, wherein: the upper guide plate is provided with a main body part, the through holes vertically penetrate through the main body part, the main body part is provided with an upper surface, and the distance from the upper air outlet to the upper surface is 5-10cm.

5. The oven of claim 1, wherein: the area of the plurality of through holes arranged in the transverse direction is larger than the area of the upper air outlet in the transverse direction, and the density of the through holes is 10000-50000 per square meter.

6. The oven of claim 1, wherein: the aperture of the through hole is 1-5mm.

7. The oven of claim 1, wherein: the upper guide plate is made of stainless steel, and the thickness of the upper guide plate is 1-3mm.

8. The oven of claim 1, wherein: the upper hot air nozzle is provided with a plurality of upper air outlets which are arranged at intervals, and the oven is provided with two or more upper guide plates which are positioned below the plurality of upper air outlets.

9. The oven of claim 1, wherein: the lower hot gas nozzle has an elongated lower gas outlet, and the oven is provided with a lower baffle above the lower gas outlet.

10. A foaming system characterized by: the foaming system comprises the oven as claimed in any one of claims 1 to 9 and a carrier for carrying a foaming layer material of artificial leather and conveying the foaming layer material of artificial leather to the foaming space for foaming.

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