Degradable food box forming mold capable of achieving uniform heating

Abstract

The utility model discloses a degradable food box forming die with uniform heating, which comprises a lower die holder, an upper die holder and a lower die holder, the lower die holder is provided with an inner cavity for placing a food box and injecting crystallization liquid, the bottom of the side surface of the lower die holder is provided with a liquid inlet, and the lower die holder is internally provided with a water inlet channel communicated with the inner cavity and the liquid inlet; a water outlet channel communicated with the liquid outlet is formed in the upper die holder; the first flow guide part is arranged at the bottom of the inner cavity and comprises a plurality of concentric flow guide rings and supporting rings, the supporting rings are arranged on the outer sides of the flow guide rings and used for supporting the food box, and a plurality of water passing notches are formed in the supporting rings in the circumferential direction; the second flow guide part is attached to the side wall of the inner cavity; the third flow guide piece is arranged at the bottom of the upper die base, and a flow guide inner cavity communicating with the water outlet channel is formed in the third flow guide piece. According to the meal box integrally formed by the plastic uptake process, the problems that a food box cannot be fully covered with crystallization liquid due to the internal water conveying design of a common forming mold, heating is uneven, and the crystallization rate and degree are low can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to food box manufacturing technical field, specifically speaking, a kind of degradable food box forming die of even heating. BACKGROUND

[0002] Degradable food box is generally formed by special blister, blow molding, injection molding and other processes with mold with biodegradable material as raw material, and it is mostly integrated structure, but at this time, the crystallinity of food box and other structure quality parameters are low, and product parameters are still not up to standard, and secondary forming process of post-crystallization treatment is still needed to ensure its quality. One of the post-crystallization treatment methods is mainly based on the principle of crystallization annealing, by heating the food box, the internal structure changes, recrystallizes, stress is released, and then cooling is carried out to improve its structural strength. And the common forming die adopts water channel of circular hole outside injection molding part to transport water, which cannot fully cover the food box with crystallization liquid, so that the food box is not evenly heated, and the crystallization rate and degree are low. UTILITY MODEL CONTENT

[0003] The utility model aims at: in order to solve the problem that common forming die cannot fully cover food box with crystallization liquid, so that the food box is not evenly heated, and the crystallization rate and degree are low, and provide a kind of degradable food box forming die of even heating.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of degradable food box forming die of even heating, comprising:

[0005] Lower die seat, its upper surface is provided with inner cavity for food box placement, crystallization liquid injection, its side bottom is provided with liquid inlet, the water inlet channel that is communicated with the inner cavity, liquid inlet is arranged in the lower die seat interior;

[0006] Upper die seat, water outlet channel that is communicated with liquid outlet is arranged in it;

[0007] First flow guide piece, it is arranged in the bottom of the inner cavity, including a plurality of concentric flow guide rings and the support ring for supporting the food box outside the flow guide ring, a plurality of water through gaps are opened in the support ring in circumferential direction:

[0008] Second flow guide piece, it is attached to the inner cavity side wall;

[0009] Third flow guide piece, it is arranged in the bottom of the upper die seat, and flow guide inner cavity that is communicated with the water outlet channel is arranged in it.

[0010] As a further description of the above technical scheme:

[0011] The water inlet channel is respectively provided with central inlet and edge inlet outside support ring between a plurality of flow guide rings.

[0012] As a further description of the above technical solutions:

[0013] The top surface of the flow guide ring is provided with a wedge surface inclined upward and inward, and the heights of the flow guide rings gradually increase from inside to outside.

[0014] As a further description of the above technical solutions:

[0015] The second flow guide is an internal thread structure spirally extending upward along the inner cavity side wall.

[0016] As a further description of the above technical solutions:

[0017] The third flow guide is an inverted cone structure.

[0018] As a further description of the above technical solutions:

[0019] The flow guide inner cavity comprises drainage sections radially extending inward along the third flow guide in a cone shape and a ball-shaped converging section abutting the drainage sections, and the top of the converging section is communicated with the water outlet channel and the liquid outlet.

[0020] As described above, compared with the prior art, the present application has the following advantages:

[0021] Beneficial effects:

[0022] The utility model discloses a meal box for blistering process integrated forming, and the first flow guide matched with the concentric structure is arranged at the crystallization liquid inlet to perform stepped flow guide on the crystallization liquid at the bottom of the food box, the second flow guide performs spiral ascending flow guide, the third flow guide performs internal collection rotary flow guide, and finally the flow guide inner cavity discharges the crystallization water. Through the above-mentioned water carrying improvement design of the mold, the product crystallization rate is improved, the production efficiency is improved, full crystallization annealing of the crystallization liquid on the surface of the food box is realized, and the quality is ensured. DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as limiting the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the premise of the drawings.

[0024] Fig. 1 It is a kind of local sectional view of the degradable food box forming mold of uniform heating when opening mold.

[0025] Fig. 2 It is a sectional view of the degradable food box forming mold of uniform heating when closing mold.

[0026] Fig. 3 It is a kind of heating even degradable food box forming die corresponding processing food box structure schematic view.

[0027] Figure legend:

[0028] 1, lower die holder;11, inner cavity;12, liquid inlet;13, water inlet channel;131, central inlet;132, edge inlet;2, upper die holder;21, liquid outlet;3, first flow guide;31, flow guide ring;32, support ring;321, water passage gap;4, second flow guide;5, third flow guide;51, drainage section;52, convergence section;100, food box. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying 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 therefore cannot be understood as a limitation on the present application.

[0031] Please refer to Figs. 1-3 The present application provides a technical scheme: a kind of heating even degradable food box forming die, comprising:

[0032] Lower die holder 1, which is provided with inner cavity 11 for placing food box 100 and injecting crystallization liquid, is provided with liquid inlet 12 at the side bottom, and water inlet channel 13 is arranged in the inside of lower die holder 1 to communicate with inner cavity 11 and liquid inlet 12;Wherein, heating module can be equipped in inner cavity 11 to control the temperature of crystallization liquid more stably, so that the crystallization annealing of food box 100 is more sufficient and stable;The present food box 100 and meal box are integrally formed by suction molding process;

[0033] Upper die holder 2 is provided with water outlet channel communicating with liquid outlet 21;Wherein, liquid inlet 12 and liquid outlet 21 are connected with external liquid supply system, and flowing water supply during crystallization annealing of food box 100 can be carried out, the cleanliness of crystallization water during immersion crystallization annealing of food box 100 in crystallization liquid is ensured, and uniform heating is ensured.

[0034] The first flow guide 3 is arranged at the bottom of the inner cavity 11, comprising a plurality of concentric flow guide rings 31 and a support ring 32 outside the flow guide rings 31 for supporting the food box 100, and a plurality of water passing notches 321 are arranged on the support ring 32 in the circumferential direction;

[0035] The second flow guide 4 is arranged on the side wall of the inner cavity 11.

[0036] The third flow guide 5 is arranged at the bottom of the upper mold base 2, and a flow guide inner cavity communicating with the water outlet channel is arranged in the third flow guide 5.

[0037] The water inlet channel 13 is respectively provided with a central inlet 131 and an edge inlet 132 outside the support ring 32 between a plurality of flow guide rings 31, and the multi-point water inlet design is matched with the concentric flow guide structure of the first flow guide 3 to ensure full coverage of the flowing crystallization liquid to the bottom of the food box 100.

[0038] The top surface of the flow guide ring 31 is provided with a wedge surface inclined upward and inward, and the height of a plurality of flow guide rings 31 gradually increases from inside to outside, thereby reducing the flow rate loss and flow resistance of the crystallization liquid.

[0039] The second flow guide 4 is an internal thread structure extending upward along the side wall of the inner cavity 11, and the crystallization liquid flowing out of the first flow guide 3 is spirally guided and accelerated by the spiral guide structure, so that it fully flows through the side surface of the food box 100.

[0040] The third flow guide 5 is an inverted cone structure, so that the crystallization liquid spirally flowing through the second flow guide 4 is guided to rotate inward by the third flow guide 5, thereby fully controlling the temperature of the top of the food box 100.

[0041] The flow guide inner cavity comprises a drainage section 51 extending radially inward along the third flow guide 5 in the form of a cone and a ball-shaped converging section 52 abutting a plurality of drainage sections 51, and the top of the converging section 52 communicates with the water outlet channel and the liquid outlet 21. The radially arranged drainage sections 51 are matched with the inverted cone-shaped third flow guide 5 to improve the flow of the crystallization liquid at the liquid outlet of the mold and the uniformity of heating of the food box 100.

[0042] The working principle of the uniform heating degradable food box forming die of the embodiment comprises: the product crystallization rate is improved and the production efficiency is improved through the water transportation improvement design of the die.

[0043] In summary, due to the adoption of the technical scheme, the uniform heating degradable food box forming die of the embodiment has the following beneficial effects compared with the prior art:

[0044] The utility model discloses a meal box for blister process integrated forming, through the first guide piece of concentric structure of multiple crystallization liquid inlet is equipped with the step -like guide of the crystallization liquid of food box bottom, the spiral ascending guide of the second guide piece to it, the third guide piece is to its inside -receiving rotary flow, finally through the guide lumen to the crystallization water of discharge. Through the water transportation improvement design of the die, improve product crystallization rate, improve production efficiency, realize the full coverage of the crystallization liquid to the food box surface sufficient crystallization annealing, guarantee its quality.

[0045] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change, all should be covered in the protection scope of the utility model.

Claims

1. A heating uniform degradable food box forming mold characterized by, The application relates to a food box crystallization device, which comprises the following parts: a lower die base, which is provided with an inner cavity for placing a food box and injecting a crystallization solution, and is provided with an inlet on the side bottom, and is internally provided with a water inlet channel which is communicated with the inner cavity and the inlet; an upper die base, which is internally provided with a water outlet channel which is communicated with an outlet; a first flow guide, which is arranged at the bottom of the inner cavity and comprises a plurality of concentric flow guide rings and a supporting ring outside the flow guide rings for supporting the food box, and is provided with a plurality of water passing gaps on the supporting ring in the circumferential direction; a second flow guide, which is attached to the side wall of the inner cavity; a third flow guide, which is arranged at the bottom of the upper die base and is internally provided with a flow guide inner cavity which is communicated with the water outlet channel.

2. The uniform heating degradable food box forming mold according to claim 1, wherein, The water inlet channel is respectively provided with a central inlet and an edge inlet outside the supporting ring between the flow guide rings.

3. The uniform heating degradable food box forming mold according to claim 1, wherein, The top surface of the flow guide ring is provided with a wedge-shaped surface which is inclined towards the inner upper side, and the height of the flow guide rings gradually increases from the inside to the outside.

4. The uniform heating degradable food box forming mold according to claim 1, wherein, The second flow guide is an internal thread structure which extends upwards along the side wall of the inner cavity.

5. The uniform heating degradable food box forming mold according to claim 1, wherein, The third flow guide is an inverted cone structure.

6. The uniform heating degradable food box forming mold according to claim 5, wherein, The flow guide inner cavity comprises a drainage section which extends radially inwards along the third flow guide which is in the shape of a cone, and a ball-shaped converging section which is connected with the drainage sections, and the top of the converging section is communicated with the water outlet channel and the outlet.

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