CN114684446B - High-strength plastic cup and processing technology thereof - Google Patents

Abstract

The invention discloses a high-strength plastic cup and a processing technology thereof, belonging to the technical field of plastic cup processing, wherein a metal bottom bracket is pre-embedded in a mold to serve as a framework before the plastic cup is molded, then the plastic cup is molded by means of injection molding, meanwhile, the metal bottom bracket can obviously improve the strength of the plastic cup, a heat insulation layer covered on the outer surface of the metal bottom bracket can improve the local heat insulation effect so as to be convenient for a user to hold, an outer wading hole is formed in the heat insulation layer and is provided with an outer wading film, when the water temperature in the plastic cup is high, the air in the outer wading hole is heated and expands through heat conduction, so that the outer wading film expands outwards, on one hand, the water temperature can be qualitatively judged according to the expansion degree of the outer wading film, on the other hand, the expanded outer wading film can further isolate the plastic cup, the phenomenon of scalding or slipping is not easy to occur, and a certain external force buffering effect is also achieved.

Description

High-strength plastic cup and processing technology thereof

Technical Field

The invention relates to the technical field of plastic cup processing, in particular to a high-strength plastic cup and a processing technology thereof.

Background

Plastic cups, refers to disposable containers used to hold beverages and tea. Belongs to non-degradable products and is a main source of 'white pollution'. The disposable plastic cups are generally used in beverage shops, hot and cold beverage shops, milky tea shops, hotels, restaurants and coffee shops at the maximum, and are used on site for providing various plastic cup-contained take-away drinks.

The existing plastic cup has the advantages that the strength is low, deformation or damage is easy to occur, the plastic heat insulation effect is poor, the plastic cup is not easy to use when hot water is contained, and the prior plastic cup is mainly embodied in the aspects of difficulty in taking and unknown water temperature of a user.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a high-strength plastic cup and a processing technology thereof, which can pre-embed a metal bottom bracket in a mold to serve as a framework before the plastic cup is molded, then the plastic cup is molded by means of injection molding, meanwhile, the metal bottom bracket can obviously improve the strength of the plastic cup, a heat insulation layer covered on the outer surface of the metal bottom bracket can improve the local heat insulation effect, so that a user can conveniently hold the plastic cup, an outer wading hole is formed in the heat insulation layer and is provided with an outer wading film, when the water temperature in the plastic cup is high, the air in the outer wading hole is heated and expands through heat conduction, so that the outer wading film expands outwards, on one hand, the water temperature can be qualitatively judged according to the expansion degree of the outer wading film, on the other hand, the expanded outer wading film can further isolate the plastic cup, the phenomenon of scalding or slipping is not easy to occur, and a certain external force buffering effect is also achieved.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a high strength plastic cup, includes the plastic cup body, the plastic cup body bottom is inlayed and is connected with bracket at the bottom of the metal, and bracket cover in plastic cup body surface at the bottom of the metal, bracket includes end tray, many side ribs and a plurality of location arch of a body coupling at the bottom of the metal, end tray is inlayed and is connected in plastic cup body lower extreme, side rib ring array distributes in the lateral wall of plastic cup body, location arch evenly distributed is on the side rib and extends to plastic cup body inside wall, end tray and side rib surface all cover and are connected with the insulating layer, set up a plurality ofly on the insulating layer and the protruding corresponding hole of wading outward in location, wade the hole drill way department fixedly connected with assorted outward and wade the membrane.

Furthermore, the outer wading film is made of a transparent elastic high-temperature-resistant material, the temperature-sensitive color-changing powder is filled in the outer wading hole, and after air in the outer wading film expands due to heating, the outer wading film is enabled to bulge, the water temperature can be roughly judged according to the bulge degree, and the temperature-sensitive color-changing powder can prompt a user more obviously through the change of color.

Furthermore, the outer wading film is replaced by an outer wading column and a thermal deformation wire, the outer wading column is connected in the outer wading hole in a sliding mode, the thermal deformation wire is fixedly connected between the outer wading column and the side ribs, and the outer wading column can extend out of the outer wading hole by means of sensing deformation action of the thermal deformation wire on temperature, so that better isolation and prompt effects are obtained.

Furthermore, the thermal deformation wire is made of shape memory alloy materials, is in a winding shape or a spiral shape in an initial state, and is in a linear extension shape after exceeding the equilibrium temperature.

Further, outer fine post of wading is packed including becoming color column, physiosis membrane and gas overflow, the physiosis hole has been seted up to the color column outer end, physiosis membrane fixed connection is in physiosis hole opening part, gas overflow packs in physiosis downthehole side, can follow the more accurate temperature of judging of the extension length of outer department of wading through becoming the color column, simultaneously also more directly perceived and show the eye, thereby the gas overflow packs to be heated at the in-process of moulding plastics and decomposes out gas for the physiosis membrane can permanent inflation, even when the plastic cup held cold water, also can have certain external force cushioning effect and anti-skidding effect to the plastic cup body.

Furthermore, the color-changing column is made of a light ferromagnetic material, a color paint layer is coated on the outer surface of the color-changing column, and the color paint layer is of a gradient color of the same color or different colors.

Furthermore, the inflatable membrane is made of elastic high-temperature-resistant materials, and the air overflowing filler is a substance which is decomposed by heating to generate gas.

Further, heat altered shape silk replacement is the gas inflation bag, the gas inflation bag includes gas storage bag, magnetism and inhales layer and many accuse position silk, gas storage bag fixed connection is in between outer fine post of wading and the side rib and keep sufficient state, layer fixed connection is inhaled to magnetism leans on the one end of near side rib in the gas storage bag, accuse position silk evenly connected is close to the one end of outer fine post of wading in the gas storage bag, and through hydrogen in the gas storage bag at the high temperature of difference, can expand different degree, and then promote outer fine post of wading outwards to extend, accuse position silk not only can support the fine post of wading outwards and avoid outwards wading the hole and move too much, can inhale under the magnetic attraction effect on layer simultaneously, initiatively pull outer fine post of wading and reset after extending.

Furthermore, the gas storage bag is made of elastic high-temperature-resistant materials, hydrogen is filled in the gas storage bag, the position control wire is made of ferromagnetic materials, and the sum of the lengths of the gas storage bag, the magnetic attraction layer, the position control wire and the outer fine wading column is consistent with the depth of the outer wading hole.

A processing technology of a high-strength plastic cup comprises the following steps:

s1, prefabricating a metal bottom bracket in advance, adhering and covering a heat insulation layer on the outer surface of the metal bottom bracket, and cleaning for later use;

s2, placing the metal bottom bracket as a framework into a cavity of a mold in advance, keeping fit, and preheating the mold;

and S3, melting the plastic raw material, then injecting the plastic raw material into a mold, and removing the mold after molding.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) This scheme can realize before the shaping of plastic cup, pre-buried metal bottom bracket in the mould in advance acts as the skeleton, realize the shaping of plastic cup through the means of moulding plastics afterwards, metal bottom bracket can obviously improve the intensity of plastic cup simultaneously, the insulating layer of metal bottom bracket surface cover can improve local thermal-insulated effect, thereby convenience of customers's gripping, it wades the hole and is equipped with outer the membrane to wade outward to have seted up on the insulating layer, when the temperature is higher in the plastic cup, through thermal conduction, the air in the outer hole of wading receives the heating and expands, thereby make outer the outside inflation of wading the membrane, on the one hand can come qualitative judgement temperature height according to the inflation degree of outer wading the membrane, on the other hand outer wading the membrane after the inflation can further keep apart the plastic cup, the difficult phenomenon that scalds or landing appears, certain external force buffering effect still has simultaneously.

(2) The outer wading film is made of transparent elastic high-temperature-resistant materials, the temperature-sensitive color-changing powder is filled in the outer wading holes, the outer wading film is enabled to bulge after air in the outer wading film expands due to heating, the water temperature can be roughly judged according to the bulge degree, and the temperature-sensitive color-changing powder can prompt a user more obviously through the change of colors.

(3) The outer wading film is replaced by an outer wading column and a thermal deformation wire, the outer wading column is slidably connected into the outer wading hole, the thermal deformation wire is fixedly connected between the outer wading column and the side ribs, and the outer wading column can extend out of the outer wading hole by sensing deformation action of the thermal deformation wire on temperature, so that better isolation and prompt effects are obtained.

(4) Wade the thin post outward including becoming the color column, physiosis membrane and gas overflow pack, the physiosis hole has been seted up to the post outer end that discolours, physiosis membrane fixed connection in physiosis hole opening part, gas overflow packs and fills in the physiosis downthehole side, can follow the more accurate judgement out temperature of the extension length of outer wading hole department through becoming the color column, it is also more directly perceived and apparent the eye simultaneously, thereby the gas overflow packs and is heated at the in-process of moulding plastics and decomposes out gas, make the inflation membrane can permanent inflation, even when the plastic cup holds cold water, also can have certain external force cushioning effect and anti-skidding effect to the plastic cup body.

(5) The heat altered shape silk replacement is the gas bloated bag of heat, the gas bloated bag of heat includes the gas storage bag, layer and many accuse position silks are inhaled to heat, gas storage bag fixed connection is in between outer fine post and the side rib and keep sufficient state, layer fixed connection is inhaled to magnetism leans on the one end of near side rib in the gas storage bag, accuse position silk evenly connected is close to the one end of outer fine post of wading in the gas storage bag, through hydrogen in the gas storage bag at the high temperature of difference, can expand different degree, and then promote outer fine post of wading and outwards extend, accuse position silk not only can support and avoid outwards wading the hole and move too much to wade the fine post outward, simultaneously can inhale under the magnetic attraction effect on layer at magnetism, the outer fine post of wading resets after extending of initiative traction.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view showing the structure of a side rib portion in example 1 of the present invention;

FIG. 4 is a schematic view of the structure of a side rib portion in example 2 of the present invention;

FIG. 5 is a schematic view of the structure of a side rib portion in example 3 of the present invention;

FIG. 6 is a schematic view of the structure at A in FIG. 5;

FIG. 7 is a schematic diagram of the outer beam of the present invention;

FIG. 8 is a schematic structural view of the external fine pillar before and after extending in embodiment 3 of the present invention;

fig. 9 is a schematic structural view of a mold part of the present invention.

The reference numbers in the figures illustrate:

the plastic cup comprises a plastic cup body 1, a metal bottom bracket 2, a bottom tray 21, side ribs 22, positioning protrusions 23, an outer interference film 3, a heat insulation layer 4, an outer interference fine column 5, a color-changing column 51, an air inflation film 52, an air overflow filler 53, a heat deformation wire 6, a heat air inflation bag 7, an air storage bag 71, a magnetic absorption layer 72 and a position control wire 73.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Example 1:

please refer to fig. 1-3, a high strength plastic cup, which comprises a plastic cup body 1, wherein a metal bottom bracket 2 is connected to the bottom end of the plastic cup body 1 in an embedded manner, the metal bottom bracket 2 covers the outer surface of the plastic cup body 1, the metal bottom bracket 2 comprises a bottom tray 21, a plurality of side ribs 22 and a plurality of positioning protrusions 23, the bottom tray 21 is connected to the lower end of the plastic cup body 1 in an embedded manner, the side ribs 22 are distributed on the outer side wall of the plastic cup body 1 in an annular array manner, the positioning protrusions 23 are uniformly distributed on the side ribs 22 and extend to the inner side wall of the plastic cup body 1, the outer surfaces of the bottom tray 21 and the side ribs 22 are respectively covered and connected with a heat insulation layer 4, a plurality of outer interference holes corresponding to the positioning protrusions 23 are formed in the heat insulation layer 4, and the orifices of the outer interference holes are fixedly connected with matched outer interference films 3.

The outer wading film 3 is made of transparent elastic high-temperature-resistant materials, temperature-sensitive color-changing powder is filled in the outer wading holes, and after air in the outer wading film 3 expands due to heating, the outer wading film 3 is bulged, the water temperature can be roughly judged according to the bulge degree, and the temperature-sensitive color-changing powder can prompt a user more obviously through the change of colors.

Example 2:

referring to fig. 4, the outer wading film 3 is replaced by an outer wading column 5 and a thermal deformation wire 6, the rest is the same as that in embodiment 1, the outer wading column 5 is slidably connected in the outer wading hole, the thermal deformation wire 6 is fixedly connected between the outer wading column 5 and the side ribs 22, and the outer wading column 5 can extend out of the outer wading hole by using the sensing deformation action of the thermal deformation wire 6 on temperature, so that better isolation and prompt effects are obtained.

The thermal deformation wire 6 is made of shape memory alloy materials, is in a curling shape or a spiral shape in an initial state, is in a linear extension shape after exceeding the equilibrium temperature, can be made of nickel-titanium memory alloy, and the equilibrium temperature is within the normal water temperature range.

Referring to fig. 7, the external fine pillar 5 includes a color-changing pillar 51, an inflatable film 52 and an air-spilling filler 53, an inflatable hole is formed in the outer end of the color-changing pillar 51, the inflatable film 52 is fixedly connected to the opening of the inflatable hole, the air-spilling filler 53 is filled inside the inflatable hole, the water temperature can be more accurately judged through the extension length of the color-changing pillar 51 from the external hole, and meanwhile, the water temperature is more visual and obvious, the air-spilling filler 53 is heated in the injection molding process to decompose gas, so that the inflatable film 52 can be permanently expanded, and even when the plastic cup contains cold water, the plastic cup can have certain external force buffering effect and anti-skidding effect on the plastic cup body 1.

The color-changing column 51 is made of a light ferromagnetic material, a color paint layer is coated on the outer surface of the color-changing column 51, and the color paint layer is a gradient color of the same color or different colors.

The inflatable film 52 is made of elastic high-temperature resistant material, and the air-spilling filler 53 is a substance which is decomposed by heat to generate gas, such as ammonium bicarbonate.

Example 3:

referring to fig. 5, 6 and 8, the thermal deformation wire 6 is replaced by a thermal expansion bag 7, the rest of the thermal expansion bag is the same as that in embodiment 2, the thermal expansion bag 7 includes an air storage bag 71, a magnetic absorption layer 72 and a plurality of position control wires 73, the air storage bag 71 is fixedly connected between the external fine involved column 5 and the side ribs 22 and keeps an inflated state, the magnetic absorption layer 72 is fixedly connected to one end of the air storage bag 71 close to the side ribs 22, the position control wires 73 are uniformly connected to one end of the air storage bag 71 close to the external fine column 5, and the external fine column 5 is pushed to extend outwards by expanding to different degrees at different high temperatures through hydrogen in the air storage bag 71, and the position control wires 73 can not only support the external fine column 5 to avoid excessive outward movement, but also can actively pull the external fine column 5 to reset after extending under the magnetic attraction effect of the magnetic absorption layer 72.

The gas storage bag 71 is made of elastic high-temperature-resistant materials, hydrogen is filled in the gas storage bag 71, the position control wire 73 is made of ferromagnetic materials, and the sum of the lengths of the gas storage bag 71, the magnetic attraction layer 72, the position control wire 73 and the outer fine wading column 5 is consistent with the depth of the outer wading hole.

Compared with the embodiment 2, the material manufacturing cost is reduced, and the service life of the hot ballooning bag 7 is longer than that of the hot deformation wire 6.

Referring to fig. 9, a processing process of a high-strength plastic cup includes the following steps:

s1, prefabricating a metal bottom bracket 2 in advance, adhering and covering a heat insulation layer 4 on the outer surface of the metal bottom bracket, and cleaning for later use;

s2, placing the metal bottom bracket 2 serving as a framework into a cavity of a mold in advance, keeping fit, and preheating the mold;

and S3, melting the plastic raw material, then injecting the plastic raw material into a mold, and removing the mold after molding.

According to the invention, the metal bottom bracket 2 is pre-embedded in the mold to serve as a framework before the plastic cup is molded, then the plastic cup is molded by means of injection molding, meanwhile, the metal bottom bracket 2 can obviously improve the strength of the plastic cup, the heat insulation layer 4 covered on the outer surface of the metal bottom bracket 2 can improve the local heat insulation effect, so that a user can conveniently hold the plastic cup, the heat insulation layer 4 is provided with the outer wading hole and is provided with the outer wading film 3, when the water temperature in the plastic cup is higher, the air in the outer wading hole is heated to expand through heat conduction, so that the outer wading film 3 expands outwards, on one hand, the water temperature can be qualitatively judged according to the expansion degree of the outer wading film 3, on the other hand, the expanded outer wading film 3 can further isolate the plastic cup, the phenomenon of scalding or slipping is not easy to occur, and a certain external force buffering effect is also achieved.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by the equivalent or modified embodiments and the modified concepts of the present invention.

Claims (7)

1. A high strength plastic cup, includes plastic cup body (1), its characterized in that: the bottom end of the plastic cup body (1) is connected with a metal bottom bracket (2) in an embedded mode, the metal bottom bracket (2) covers the outer surface of the plastic cup body (1), the metal bottom bracket (2) comprises a bottom tray (21), a plurality of side ribs (22) and a plurality of positioning protrusions (23) which are connected integrally, the bottom tray (21) is connected to the lower end of the plastic cup body (1) in an embedded mode, the side ribs (22) are distributed on the outer side wall of the plastic cup body (1) in an annular array mode, the positioning protrusions (23) are uniformly distributed on the side ribs (22) and extend to the inner side wall of the plastic cup body (1), the outer surfaces of the bottom tray (21) and the side ribs (22) are connected with a heat insulation layer (4) in a covering mode, a plurality of outer interference holes corresponding to the positioning protrusions (23) are formed in the heat insulation layer (4), and the outer interference hole openings are fixedly connected with matched outer interference films (3);

the outer wading film (3) is replaced by an outer wading column (5) and a thermal deformation wire (6), the outer wading column (5) is connected in an outer wading hole in a sliding mode, and the thermal deformation wire (6) is fixedly connected between the outer wading column (5) and the side ribs (22);

outer fine post (5) of wading includes discolour post (51), physiosis membrane (52) and the filler of gas overflow (53), the physiosis hole has been seted up to discolour post (51) outer end, physiosis membrane (52) fixed connection is in physiosis hole opening part, the filler of gas overflow (53) is filled in the physiosis downthehole side.

2. A high strength plastic cup according to claim 1, wherein: the thermal deformation wire (6) is made of shape memory alloy materials, is in a curling shape or a spiral shape in an initial state, and is in a linear extension shape after exceeding the equilibrium temperature.

3. A high strength plastic cup according to claim 1, wherein: the color-changing column (51) is made of a light ferromagnetic material, a color paint layer is coated on the outer surface of the color-changing column (51), and the color paint layer is a gradient color of the same color or different colors.

4. A high strength plastic cup according to claim 1, wherein: the inflatable membrane (52) is made of elastic high-temperature-resistant material, and the air-overflowing filler (53) is a substance which is decomposed by heating to generate gas.

5. A high strength plastic cup according to claim 1, wherein: the hot deformation silk (6) are replaced by hot gas inflation bag (7), hot gas inflation bag (7) are including gas storage bag (71), magnetism layer (72) and many accuse position silk (73) of inhaling, gas storage bag (71) fixed connection is in between outer fine post (5) of wading and side rib (22) and keep sufficient state, magnetism layer (72) fixed connection is close to the one end of side rib (22) in gas storage bag (71), accuse position silk (73) evenly connect in gas storage bag (71) be close to the one end of outer fine post (5) of wading.

6. A high strength plastic cup according to claim 5, wherein: the gas storage bag (71) is made of elastic high-temperature-resistant materials, hydrogen is filled in the gas storage bag (71), the position control wire (73) is made of ferromagnetic materials, and the sum of the lengths of the gas storage bag (71), the magnetic absorption layer (72), the position control wire (73) and the outer fine wading column (5) is consistent with the depth of the outer wading hole.

7. The processing technology of the high-strength plastic cup as claimed in claim 1, wherein: the method comprises the following steps:

s1, prefabricating a metal bottom bracket (2) in advance, adhering and covering a heat insulation layer (4) on the outer surface of the metal bottom bracket, and cleaning for later use;

s2, placing the metal bottom bracket (2) serving as a framework into a cavity of a mold in advance, keeping fit, and preheating the mold;

and S3, melting the plastic raw material, then injecting the plastic raw material into a mold, and removing the mold after molding.

Images