CN212165163U

CN212165163U - Convenient tableware of aluminium foil

Info

Publication number: CN212165163U
Application number: CN202020705802.3U
Authority: CN
Inventors: 邓天普; 邓伯伦
Original assignee: Henan Taibang Aluminum Co ltd
Current assignee: Henan Taibang Aluminum Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-18
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to a convenient tableware of aluminum foil, which comprises a die box layer and an aluminum foil layer, wherein the die box layer is a cavity container with the same upper-end large and lower-end small or upper-lower area, the upper end of the die box layer is open, the inner wall of the die box layer is provided with a convex edge, the convex edge is a continuous convex edge or a mutually spaced convex edge, a groove is formed between every two adjacent mutually spaced convex edges, the die box layer is provided with air holes, the aluminum foil layer is a sheet body arranged in the cavity of the die box layer, the aluminum foil layer is attached on the undulated curved surface of the continuous convex edge or on the mutually spaced convex edges and grooves, the utility model can prolong the heat preservation time of food, and directly take out the aluminum foil layer when needing to be heated, has high heating speed and no poison, avoids the problem that a plastic bag can not be directly heated, can be recycled and can not pollute the environment, is green and environment-friendly.

Description

Convenient tableware of aluminium foil

Technical Field

The utility model relates to a convenient tableware technical field, concretely relates to convenient tableware of aluminium foil.

Background

Along with the improvement of the dining sanitation requirement of people, the tableware cleaning work of fast food restaurants is greatly increased, convenient dining and fast cleaning become targets pursued by merchants gradually, a plastic bag is sleeved inside tableware, and guests take the plastic bag after finishing dining so as to reduce the aim of cleaning the tableware.

However, the use of a large number of plastic bags can increase environmental pollution and bring heavy cleaning work to sanitation work, and the plastic bags can generate toxic substances in the process of heating food at high temperature, thereby affecting the physical health of guests.

Disclosure of Invention

For the safety and sanitation and the quick clearance problem of solving among the prior art tableware, the utility model provides a convenient tableware of aluminium foil, the purpose provides the safety and sanitation's of quick clearance tableware, adds the clearance speed of fast tableware under safe and harmless prerequisite.

In order to realize the purpose, the technical scheme of the utility model is that:

an aluminum foil convenient tableware comprises a die box layer and an aluminum foil layer;

the mold box layer is an open cavity container, the upper end of the mold box layer is open, the inner wall of the mold box layer is provided with convex edges, the convex edges are continuous convex edges or convex edges which are mutually spaced, a groove is formed between every two adjacent convex edges which are mutually spaced, and the mold box layer is provided with air holes;

the aluminum foil layer is a sheet body arranged in the cavity of the die box layer, and the aluminum foil layer is attached to the undulation curved surface of the continuous convex edge or the convex edge and the groove which are mutually spaced.

Further, the outer wall of the upper end of the die box layer is provided with a horizontal outward flange.

Furthermore, the protruding stupefied of continuity form is that a plurality of V-arrangement bodies establish ties in proper order and is incessant curve of buckling protruding or for wave protruding, and curve of buckling protruding or wave protruding wherein one side is the laminating on the diaphragm capsule inner wall binding face, the opposite side is the cavity center of undulation curved surface orientation diaphragm capsule layer, the protruding stupefied of being the interval form each other is the protruding stupefied of being horizontal form, vertical form or spiral helicine protrusion diaphragm capsule layer inner wall along diaphragm capsule layer inner wall.

Furthermore, the die box layer is a single-layer or double-layer container, when the die box layer is a single-layer container, a plurality of air holes are uniformly distributed on the peripheral wall and the bottom surface of the die box layer, and the air holes on the peripheral wall and the bottom surface of the die box layer are air flow channels communicated with the inside and the outside; when the diaphragm capsule is double-deck container, there is the air flue between the inner wall on diaphragm capsule layer and the outer wall, and the gas pocket comprises first gas pocket and second gas pocket, and the equipartition has a plurality of first gas pockets on diaphragm capsule layer inner wall and the interior bottom surface, has the second gas pocket through air flue and a plurality of first gas pocket intercommunication on the diaphragm capsule layer outer wall, and the gas pocket is arranged in the stupefied depressed part of continuous form protruding or is in the stupefied recess of interval form protruding each other.

Furthermore, the cross sections of the mutually spaced convex edges are square, triangular or semicircular convex edges, and the number of the convex edges is at least 2.

Further, the thickness of the aluminum foil layer is 0.009 mm-0.09 mm, and the edge of the aluminum foil layer is outwards wrapped on the outer wall of the die box layer along the flange downwards along the upper end of the die box layer to form a covered edge; the shape and size of the part of the aluminum foil layer, which is attached to the undulation curved surface of the continuous convex edge or the convex edge and the groove which are mutually spaced, are matched with the shape and size of the undulation curved surface of the continuous convex edge or the convex edge and the groove which are mutually spaced at the attaching position.

Further, the hem is wrapped down to the die case outer wall height 1/3 to 1/2.

Furthermore, the aluminum foil layer is a single layer or multiple layers, and the edge covering length of the multiple layers of aluminum foils on the outer wall of the die box layer is gradually increased from inside to outside or gradually decreased from inside to outside.

Furthermore, the die box layer is a cylindrical, disc-shaped, square, basin-shaped or bowl-shaped open cavity container made of hard materials, and the cavity container is a container with the same upper area, lower area, upper area and lower area or the same upper area and lower area.

Further, when the stupefied horizontal form that is the interval form each other, protruding stupefied at the diaphragm capsule inner wall be the horizontally cyclic annular, a plurality of protruding stupefied along diaphragm capsule inner wall from bottom to top interval setting, diaphragm capsule inner wall between every two adjacent protruding stupefied and two protruding stupefied forms the horizontally recess, and the upper surface of protruding stupefied forms the platform, when protruding stupefied vertical form, diaphragm capsule inner wall between every two adjacent protruding stupefied and two protruding stupefied forms vertical recess.

Through the technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses a diaphragm capsule layer inside uses the aluminium foil layer, and the aluminium foil layer can not produce the noxious material to contact food high temperature or heating, and the aluminium foil has good separation nature, can be permanent keep food original flavor.

2. The utility model discloses an aluminium foil layer uses the vacuum adsorption laminating at the diaphragm capsule inner wall and protruding stupefied support on the surface because the diaphragm capsule layer, guarantees moreover in food edible in-process aluminium foil layer intact, avoids damaged, can not pollute food.

3. The utility model discloses a diaphragm capsule layer has protruding stupefied, and protruding stupefied forming platform or a plurality of protruding stupefied between accommodation space can classify and deposit food, prevent that multiple food from impregnating each other, influencing the taste.

4. The utility model discloses can prolong the heat preservation time of food, and when needs heating, directly take out the aluminium foil layer can, rate of heating is fast, and is nonhazardous, has avoided the unable direct heating's of suit plastic bag problem.

5. The utility model discloses an aluminium foil layer has the multilayer aluminium foil, and the bordure of multilayer aluminium foil on the diaphragm capsule layer outer wall is by interior crescent outside to, and the use of superiors' aluminium foil does not influence other aluminium foils, uses the back, only needs to take off the aluminium foil of superiors and can regard as the clearance and continue to use with the tableware, and convenient and fast has accelerated the clearance speed of tableware.

6. The utility model discloses an aluminium foil layer can be retrieved and recycled, can not the polluted environment, green.

Drawings

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

fig. 2 is a schematic view of a first mold box layer structure (continuous convex edge) of the convenient aluminum foil tableware according to the first embodiment of the present invention;

fig. 3 is a schematic structural view of a convenient aluminum foil tableware according to a first embodiment of the present invention (spiral convex edge);

fig. 4 is a schematic structural view of a convenient tableware mould box layer made of aluminum foil (spiral convex edge) according to a first embodiment of the present invention;

fig. 5 is a cross-sectional view (spiral convex edge) of the aluminum foil portable tableware mold box layer according to the first embodiment of the present invention;

fig. 6 is a plan view of the mold box layer (spiral convex edge) of the portable tableware made of aluminum foil according to the first embodiment of the present invention;

fig. 7 is a second structural schematic view (rectangular convex edge) of the convenient aluminum foil tableware according to the second embodiment of the present invention;

fig. 8 is a schematic structural view (rectangular convex edge) of an aluminum foil convenient tableware mold box layer according to a second embodiment of the present invention;

fig. 9 is a schematic structural view (horizontal convex edge) of a convenient aluminum foil tableware according to a third embodiment of the present invention;

fig. 10 is a schematic structural view (horizontal convex edge) of a convenient tableware mould box layer made of aluminum foil according to a third embodiment of the present invention;

fig. 11 is a cross-sectional view (horizontal convex edge) of the aluminum foil convenient tableware mold box layer of the third embodiment of the present invention;

FIG. 12 is a schematic view of the structure of the convenient tableware made of aluminum foil with multi-layered aluminum foil of the present invention;

fig. 13 is an enlarged view of a portion a of fig. 12.

The reference numbers in the drawings are as follows: 1 is a mould box layer, 2 is an aluminum foil layer, 11 is a convex edge, 12 is a flange, 13 is an air hole, 14 is a second air hole, and 21 is a wrapping edge.

Detailed Description

The invention will be further explained with reference to the drawings and the detailed description below:

the first embodiment is as follows:

as shown in fig. 1 to 6 and 12 to 13, an aluminum foil convenient tableware comprises a mold box layer 1 and an aluminum foil layer 2;

the utility model discloses a mould box layer 1, including mould box layer 1, hard material preparation form, the big end down basin form or the upper and lower open cavity container of tube-shape that area is the same, big end down that hard material is the aluminum alloy, pottery or glass steel etc. hard material, mould box layer 1 upper end opening, mould box layer 1's upper end outer wall has the outside flange 12 of level, has protruding stupefied 11 on the mould box layer 1 inner wall, protruding stupefied 11 is the protruding stupefied 11 of continuous form or the protruding 11 that are the interval form each other, protruding stupefied 11 of continuous form is that a plurality of V-arrangement bodies establish ties in proper order and is incessant curve of buckling arch or wave arch, and curve of buckling arch or wave arch wherein one side is the binding face of laminating on mould box layer 1 inner wall, the opposite side is the undulation form curved surface and faces the cavity center of mould box layer 1, protruding stupefied 11 that are the interval form each other is for being along mould box layer 1 inner, The cross section of each vertical or spiral convex ridge 11 protrudes out of the inner wall of the mold box layer 1, each convex ridge 11 which is mutually spaced is a square, triangular or semicircular convex ridge 11, a groove is formed between every two adjacent convex ridges 11 which are mutually spaced, a plurality of air holes 13 are uniformly distributed on the peripheral wall and the bottom surface of the mold box layer 1, and the air holes 13 on the peripheral wall and the bottom surface of the mold box layer 1 are air flow channels which are communicated with each other;

the mold box layer 1 is a single-layer or double-layer container, when the mold box layer 1 is a single-layer container, a plurality of air holes 13 are uniformly distributed on the peripheral wall and the bottom surface of the mold box layer 1, and the air holes 13 on the peripheral wall and the bottom surface of the mold box layer 1 are air flow channels communicated with the inside and the outside; when the diaphragm capsule is double-deck container, there is the air flue between the inner wall of diaphragm capsule layer 1 and the outer wall, and gas pocket 13 comprises first gas pocket and second gas pocket 14, and the equipartition has a plurality of first gas pockets on diaphragm capsule layer 1 inner wall and the interior bottom surface, has the second gas pocket 14 through air flue and a plurality of first gas pocket intercommunication on diaphragm capsule layer 1 outer wall, and gas pocket 13 is arranged in the concave part of the protruding stupefied 11 of continuous form or in the recess of the protruding stupefied 11 that is the interval form each other.

The aluminum foil layer 2 is a sheet body arranged in the cavity of the die box layer 1, and the aluminum foil layer 2 is attached to the undulation curved surface of the continuous convex ridge 11 or the convex ridge 11 and the groove which are mutually spaced.

The thickness of the aluminum foil layer 2 is 0.009 mm-0.09 mm, the edge of the aluminum foil layer 2 is wrapped on the outer wall of the die box layer 1 along the flange 12 downwards along the upper end of the die box layer 1 outwards to form an edge cover 21, and the edge cover 21 is wrapped downwards to the height 1/3-1/2 of the outer wall of the die box layer 1; the shape and size of the part of the aluminum foil layer, which is attached to the undulation curved surface of the continuous convex edge or the convex edge and the groove which are mutually spaced, are matched with the shape and size of the undulation curved surface of the continuous convex edge or the convex edge and the groove which are mutually spaced at the attaching position.

The aluminum foil layer 2 is a single layer or multiple layers, and the length of the edge covering 21 of the multiple layers of aluminum foils on the outer wall of the die box layer 1 is gradually increased from inside to outside or gradually decreased from inside to outside.

Example two:

as shown in fig. 7 and 8, an aluminum foil convenient tableware comprises a mould case layer 1 and an aluminum foil layer 2;

the mold box layer 1 is a cuboid or cube open cavity container which is made of hard materials and has the same upper and lower areas or is small in upper and large in lower, the hard materials are aluminum alloy, ceramic or glass fiber reinforced plastic and the like, the upper end of the mold box layer 1 is open, the outer wall of the upper end of the mold box layer 1 is provided with a horizontally outward flange 12, the inner wall of the mold box layer 1 is provided with a plurality of convex ridges 11, the convex ridges 11 are convex ridges 11 which are mutually spaced, the cross section of each convex ridge 11 is square (the square is square or rectangular), each convex ridge 11 is a convex ridge 11 which is vertically protruded out of the inner wall of the mold box layer 1 along the inner wall of the mold box layer 1, a vertical groove is formed on the inner wall of the mold box layer 1 between every two adjacent convex ridges 11 and two convex ridges 11, and an air hole 13 is formed on the mold box layer 1;

the mold box layer 1 is a single-layer or double-layer container, when the mold box layer 1 is a single-layer container, a plurality of air holes 13 are uniformly distributed on the peripheral wall and the bottom surface of the mold box layer 1, and the air holes 13 on the peripheral wall and the bottom surface of the mold box layer 1 are air flow channels communicated with the inside and the outside; when the die box is a double-layer container, an air passage is arranged between the inner wall and the outer wall of the die box layer 1, the air hole 13 is composed of a first air hole and a second air hole 14, a plurality of first air holes are uniformly distributed on the inner wall and the inner bottom surface of the die box layer 1, the second air hole 14 communicated with the plurality of first air holes through the air passage is arranged on the outer wall of the die box layer 1, and the air holes 13 are arranged in the grooves of the convex ridges 11 which are mutually spaced;

the aluminum foil layer 2 is a sheet body arranged in the cavity of the die box layer 1, and the aluminum foil layer 2 is attached to the convex ridges 11 and the grooves which are mutually spaced.

The thickness of the aluminum foil layer 2 is 0.009 mm-0.09 mm, the edge of the aluminum foil layer 2 is wrapped on the outer wall of the die box layer 1 along the flange 12 downwards along the upper end of the die box layer 1 outwards to form an edge cover 21, and the edge cover 21 is wrapped downwards to the height 1/3-1/2 of the outer wall of the die box layer 1; the shape and size of the part of the aluminum foil layer 2 attached to the convex ridges 11 and the grooves which are mutually spaced correspond to the shape and size of the convex ridges 11 and the grooves which are mutually spaced at the attaching part.

Example three:

as shown in fig. 9 to 11, an aluminum foil convenient tableware comprises a mold box layer 1 and an aluminum foil layer 2;

the mold box layer 1 is a bowl-shaped cavity container which is made of hard materials and has a large upper part and a small lower part, the hard materials are made of hard materials such as aluminum alloy, ceramic or glass fiber reinforced plastics, the upper end of the mold box layer 1 is open, the inner wall of the mold box layer 1 is provided with convex ridges 11, the number of the convex ridges 11 is at least two, the convex ridges 11 are mutually spaced and are horizontal convex ridges 11 along the inner wall of the mold box layer 1, the cross section of each convex ridge 11 is triangular, the convex ridges 11 are horizontal and annular on the inner wall of the mold box layer 1, at least two convex ridges 11 are spaced from bottom to top along the inner wall of the mold box layer 1, a horizontal groove is formed on the inner wall of the mold box layer 1 between every two adjacent convex ridges 11 and two convex ridges 11, a platform is formed on the upper surface of each convex ridge 11, and the mold box layer 1 is provided with air holes 13;

The outer wall of the upper end of the mould box layer 1 is provided with a horizontal outward flange 12.

The mold box layer 1 is a single-layer or double-layer container, when the mold box layer 1 is a single-layer container, a plurality of air holes 13 are uniformly distributed on the peripheral wall and the bottom surface of the mold box layer 1, and the air holes 13 on the peripheral wall and the bottom surface of the mold box layer 1 are air flow channels communicated with the inside and the outside; when the diaphragm capsule is double-deck container, there is the air flue between diaphragm capsule layer 1's inner wall and the outer wall, and gas pocket 13 comprises first gas pocket and second gas pocket 14, and the equipartition has a plurality of first gas pockets on diaphragm capsule layer 1 inner wall and the interior bottom surface, has the second gas pocket 14 through air flue and a plurality of first gas pocket intercommunication on diaphragm capsule layer 1 outer wall, and gas pocket 13 is arranged in the recess that is protruding stupefied 11 of interval form each other.

When the aluminum foil layer 2 is used, the aluminum foil layer 2 is covered above the die box layer 1, the aluminum foil layer 2 is pressed into the die box layer 1 by hands or other tools, the vacuumizing tool is used for covering air holes on the outer surface of the die box layer 1, vacuumizing is performed between the aluminum foil layer 2 and the fluctuated curved surface of the continuous convex ridge 11 or between the aluminum foil layer 2 and the mutually spaced convex ridges 11 and grooves through the air holes on the outer wall of the die box layer 1, the aluminum foil layer 2 is attached to the fluctuated curved surface of the continuous convex ridge 11 or the mutually spaced convex ridges 11 and grooves, and the edge of the aluminum foil layer 2 is arranged to enable the edge of the aluminum foil layer 2 to wrap the flange 12 of the die box layer 1 and attach to the outer wall of the die box layer 1 to form an edge wrapping 21 downwards.

When the aluminum foil layer 2 is provided with multiple layers of aluminum foils, the multiple layers of aluminum foil layers are laminated layer by layer, the edges of the laminated aluminum foil layers are sealed, the aluminum foil layer 2 is attached to the inner wall of the die box layer 1 and the surface of the convex edge 11 according to the manufacturing method, and the edges of the aluminum foil layer 2 are arranged to enable the edges of the aluminum foil layer 2 to wrap the flange 12 of the die box layer 1 and attach to the outer wall of the die box layer 1 to form an edge covering 21 downwards.

The mould box layer 1 is internally provided with the aluminum foil layer 2, the aluminum foil layer 2 does not generate toxic substances when contacting with food at high temperature or being heated, and the aluminum foil has good separation property and can keep the original taste of food for a long time.

The utility model discloses can prolong the heat preservation time of food, and when needs heating, directly take out the aluminium foil layer can, rate of heating is fast, and is nonhazardous, has avoided the unable direct heating's of suit plastic bag problem.

Aluminium foil layer 2 uses the vacuum adsorption laminating because mould box layer 1 has the support on 1 inner wall of mould box layer and protruding stupefied 11 surface, and the utensil guarantees that aluminium foil layer 2 is intact at food edible in-process, avoids the damage, can not pollute food.

Mold box layer 1 has protruding stupefied 11, and protruding stupefied 11 forms platform or a plurality of protruding stupefied 11 formation accommodation space, can classify to food and deposit, prevents that multiple food from dying each other, influences the taste.

The aluminum foil layer 2 is provided with a plurality of layers of aluminum foils, the edge covering 21 of the aluminum foils on the outer wall of the die box layer 1 is gradually increased from inside to outside, other aluminum foils are not affected by the use of the aluminum foil on the top layer, and after the aluminum foil is used, the aluminum foil on the top layer only needs to be uncovered, so that the aluminum foil can be used as a cleaning material and used with tableware continuously, the convenience and the rapidness are realized, and the cleaning speed of the tableware is accelerated.

The aluminum foil layer 2 of the embodiment can be recycled, and the environment can not be polluted, and is green and environment-friendly.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made to the technical solution of the present invention within the scope of the present invention as disclosed without departing from the spirit of the present invention.

Claims

1. An aluminum foil convenient tableware is characterized by comprising a die box layer (1) and an aluminum foil layer (2);

the mold box layer (1) is an open cavity container, the upper end of the mold box layer (1) is open, the inner wall of the mold box layer (1) is provided with convex ridges (11), the convex ridges (11) are continuous convex ridges (11) or convex ridges (11) which are mutually spaced, a groove is formed between every two adjacent convex ridges (11) which are mutually spaced, and the mold box layer (1) is provided with air holes (13);

the aluminum foil layer (2) is a sheet body arranged in the cavity of the die box layer (1), and the aluminum foil layer (2) is attached to the undulation curved surface of the continuous convex edge (11) or the convex edge (11) and the groove which are mutually spaced.

2. The aluminum foil handy tableware according to claim 1, wherein the outer wall of the upper end of the mold case layer (1) is provided with a flange (12) horizontally outward.

3. The convenient aluminum foil tableware of claim 1, wherein the continuous protruding ridges (11) are formed by sequentially connecting a plurality of V-shaped bodies in series to form uninterrupted bent curve protrusions or wave-shaped protrusions, one side of each bent curve protrusion or wave-shaped protrusion is a bonding surface attached to the inner wall of the mold box layer (1), the other side of each bent curve protrusion or wave-shaped protrusion is a wavy curved surface facing the center of the cavity of the mold box layer (1), and the mutually spaced protruding ridges (11) are protruding ridges (11) protruding out of the inner wall of the mold box layer (1) in a horizontal, vertical or spiral manner along the inner wall of the mold box layer (1).

4. The convenient tableware made of aluminum foil as claimed in claim 3, wherein the mold box layer (1) is a single-layer or double-layer container, when the mold box layer (1) is a single-layer container, a plurality of air holes (13) are uniformly distributed on the peripheral wall and the bottom surface of the mold box layer (1), and the air holes (13) on the peripheral wall and the bottom surface of the mold box layer (1) are air flow channels communicated with the inside and the outside; when the diaphragm capsule is double-deck container, there is the air flue between the inner wall of diaphragm capsule layer (1) and the outer wall, gas pocket (13) comprise first gas pocket and second gas pocket (14), the equipartition has a plurality of first gas pockets on diaphragm capsule layer (1) inner wall and the interior bottom surface, second gas pocket (14) through air flue and a plurality of first gas pocket intercommunication have on diaphragm capsule layer (1) outer wall, the depressed part of protruding stupefied (11) of continuous form or in the recess of protruding stupefied (11) of mutual interval form are arranged in to gas pocket (13).

5. The aluminum foil convenient tableware according to claim 3, wherein the cross section of the mutually spaced convex ribs (11) is square, triangular or semicircular convex ribs (11), and the number of the convex ribs is at least 2.

6. The convenient tableware of aluminum foil as claimed in claim 2, wherein the thickness of the aluminum foil layer (2) is 0.009 mm-0.09 mm, and the edge of the aluminum foil layer (2) is wrapped on the outer wall of the mold box layer (1) along the flange (12) along the upper end of the mold box layer (1) to form a covered edge (21); the shape and size of the part of the aluminum foil layer (2) which is attached to the undulation curved surface of the continuous convex edge (11) or the convex edge (11) and the groove which are mutually spaced correspond to the shape and size of the undulation curved surface of the continuous convex edge (11) or the convex edge (11) and the groove which are mutually spaced.

7. The aluminum foil handy tableware according to claim 6, wherein said wrapping (21) is wrapped down to the height 1/3 to 1/2 of the outer wall of the mold case layer (1).

8. The convenient aluminum foil tableware of claim 7, wherein the aluminum foil layer (2) is single-layer or multi-layer, and the length of the edge (21) of the multi-layer aluminum foil on the outer wall of the die box layer (1) is gradually increased from inside to outside or gradually decreased from inside to outside.

9. The convenient aluminum foil tableware of claim 1, wherein the mold box layer (1) is a cylindrical, disc-shaped, square-shaped, basin-shaped or bowl-shaped open cavity container made of hard materials, and the cavity container is a container with a large upper part and a small lower part, a large upper part and a large lower part or a container with the same upper and lower areas.

10. The convenient tableware of aluminum foil as claimed in claim 3, wherein when the mutually spaced convex ribs (11) are horizontal, the convex ribs (11) are in a horizontal ring shape on the inner wall of the mold box layer (1), a plurality of convex ribs (11) are arranged along the inner wall of the mold box layer (1) from bottom to top at intervals, the inner wall of the mold box layer (1) between every two adjacent convex ribs (11) and two convex ribs (11) forms a horizontal groove, the upper surface of each convex rib (11) forms a platform, when the convex ribs (11) are vertical, the inner wall of the mold box layer (1) between every two adjacent convex ribs (11) and two convex ribs (11) forms a vertical groove.