CN210820641U - Mold for encapsulating plastic bottle - Google Patents
Mold for encapsulating plastic bottle Download PDFInfo
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- CN210820641U CN210820641U CN201921558560.3U CN201921558560U CN210820641U CN 210820641 U CN210820641 U CN 210820641U CN 201921558560 U CN201921558560 U CN 201921558560U CN 210820641 U CN210820641 U CN 210820641U
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Abstract
The utility model discloses a mould for plastic bottle rubber coating, including mould body, first anchor clamps, bayonet socket anchor clamps and second anchor clamps, the mould body is provided with the die cavity that is used for placing the plastic bottle, the oral area of die cavity is provided with the joint mouth that contracts to the adduction, bayonet socket anchor clamps outer wall be provided with die cavity joint mouth complex joint platform, bayonet socket anchor clamps one end still be provided with the bayonet socket of the bottleneck adaptation of plastic bottle, first anchor clamps are provided with the mounting groove, bayonet socket anchor clamps other end holding is in the mounting groove and by first anchor clamps top tightly, the second anchor clamps are located the tip of die cavity, and the second anchor clamps are provided with the ejector pin that is used for pushing up tight plastic bottle bottom. This mould makes the plastic bottle fix in the die cavity that can be fine, avoids the plastic bottle to take place not hard up phenomenon easily when moulding plastics, improves the stability of moulding plastics.
Description
Technical Field
The utility model relates to a mould, especially a mould for plastic bottle rubber coating.
Background
The surface of the plastic bottle can realize decorative effect through printing, silk-screen printing, gold stamping, pattern sticking, electroplating, spraying and other processes, and the plastic bottle has the characteristics of attractive appearance and corrosion resistance, so that the plastic bottle is widely applied in life. In particular, various cosmetics such as perfume, essence, etc. are usually packaged in plastic bottles having fine surfaces. However, the surface art decoration of the plastic bottle is easily scratched and damaged, and the decoration effect is reduced, in addition, after the existing plastic bottle is used up, the plastic bottle cannot be fully utilized again, and only can be recycled, while the common recycling treatment usually adopts the pulverization treatment for the plastic bottle, so that the original surface art decoration effect cannot be kept, and the utilization rate is low. Therefore, the applicant develops a process for encapsulating plastic bottles, the encapsulation of the surfaces of the plastic bottles can be realized through the process, the plastic bottles are more attractive and durable, the existing plastic bottles can be subjected to secondary processing and utilization, and the original surface decoration process of the plastic bottles is kept.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a mould for plastic bottle rubber coating, it can be fine with the plastic bottle fix in the die cavity, avoids the plastic bottle to become flexible easily when moulding plastics and influences the effect of moulding plastics.
The utility model discloses an embodiment adopts the technical scheme be: the mold comprises a mold body, a first clamp, a bayonet clamp and a second clamp, wherein the mold body is provided with a mold cavity for placing a plastic bottle, a clamping port which is inwardly contracted is formed in the opening of the mold cavity, a clamping platform matched with the clamping port of the mold cavity is arranged on the outer wall of the bayonet clamp, one end of the bayonet clamp is further provided with a bayonet matched with a bottleneck of the plastic bottle, the first clamp is provided with a mounting groove, the other end of the bayonet clamp is accommodated in the mounting groove and tightly pushed by the first clamp, the second clamp is located at the end of the mold cavity, and the second clamp is provided with an ejector rod for tightly pushing the bottom of the plastic bottle.
As an improvement of the technical scheme, the plastic bottle shaping device further comprises a shaping clamp, and the shaping clamp is provided with a water inlet channel and a water outlet channel which are communicated with the interior of the plastic bottle.
As a further improvement of the technical scheme, the shaping clamp is provided with an inserting end and a clamping end, the outer diameter of the inserting end is smaller than the inner diameter of the bottleneck of the plastic bottle, the water inlet channel penetrates through the inserting end and the clamping end, the water outlet channel is formed on the clamping end, and the water outlet channel is provided with a pressure valve.
Further, the bayonet clamp is provided with a clamping groove matched with the clamping end, and the clamping end is clamped in the clamping groove.
Further, the mould body comprises a plurality of replaceable inserts.
One or more embodiments of the present invention have at least the following beneficial effects:
this mould includes the mould body, first anchor clamps, bayonet socket anchor clamps and second anchor clamps, place the plastic bottle through the die cavity of mould body, the bottleneck joint of plastic bottle is in the bayonet socket of bayonet socket anchor clamps, thereby first anchor clamps pass through the mounting groove with the tight top of the tight plastic bottle in bayonet socket anchor clamps top, the second anchor clamps pass through the ejector pin top tightly in the bottom of plastic bottle, thereby make the plastic bottle can be fine fix in the die cavity, avoid the plastic bottle to take place not hard up phenomenon easily when moulding plastics, improve the stability of moulding plastics.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. Obviously, the described figures are only some embodiments of the invention, not all embodiments, and other designs and figures can be obtained by those skilled in the art without inventive effort, based on these figures:
FIG. 1 is a schematic structural view of a mold;
FIG. 2 is a schematic view of a plastic bottle placed in a mold cavity (second clamp omitted);
FIG. 3 is a schematic structural view of a mold cavity;
fig. 4 is a schematic view of the assembly of a plastic bottle with a first clamp, a second clamp, a bayonet clamp and a setting clamp during injection molding.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention: the utility model provides a mould for plastic bottle rubber coating, including mould body 100, first anchor clamps 200, bayonet socket anchor clamps 300 and second anchor clamps 500, mould body 100 is provided with the die cavity 110 that is used for placing plastic bottle 600, the oral area of die cavity 110 is provided with the joint mouth 111 that contracts to the addendum, bayonet socket anchor clamps 300 outer wall be provided with die cavity joint mouth 111 complex joint platform, bayonet socket anchor clamps 300 one end still be provided with the bayonet socket of the bottleneck adaptation of plastic bottle 600, first anchor clamps 200 are provided with the mounting groove, bayonet socket anchor clamps 300 other end holding in the mounting groove and by first anchor clamps 200 top tight, second anchor clamps 500 are located the tip of die cavity 110, second anchor clamps 500 are provided with the ejector pin that is used for pushing up tight plastic.
This mould places plastic bottle 600 through die cavity 110 of mould body 100, the bottleneck joint of plastic bottle 600 is in bayonet socket 300's bayonet socket, thereby first anchor clamps 200 tightly pushes up bayonet socket anchor clamps 300 top in the tight plastic bottle 600 through the mounting groove, second anchor clamps 500 tightly in the bottom of plastic bottle 600 through the ejector pin top, thereby make plastic bottle 600 can be fine fix in the die cavity, avoid plastic bottle 600 to take place not hard up phenomenon easily when moulding plastics, improve the stability of moulding plastics.
The mold further comprises a shaping clamp 400, and the shaping clamp 400 is provided with a water inlet channel 401 and a water outlet channel 402 which are communicated with the interior of the plastic bottle 600. Through being provided with inhalant canal 401 and exhalant canal 402, can input the high pressure coolant that flows in plastic bottle 600 for plastic bottle 600 can not warp because of injection pressure and the high temperature of moulding plastics in the process of moulding plastics.
Specifically, the setting fixture 400 is provided with an insertion end and a clamping end, the outer diameter of the insertion end is smaller than the inner diameter of a bottleneck of the plastic bottle, the water inlet channel 401 penetrates through the insertion end and the clamping end, the water outlet channel 402 is formed on the clamping end, the water outlet channel 402 is provided with a pressure valve, and the pressure valve can set a threshold value to adjust the water pressure in the plastic bottle 600. During the use, the end of pegging graft inserts inside the plastic bottle, and high-pressure coolant liquid is followed the inhalant canal input, then flows along the space between end of pegging graft and the bottleneck, then discharges from the exhalant canal again, the inside cavity of first anchor clamps 200, and outside coolant liquid pipeline can be through corresponding pipeline and inhalant canal sealing connection, and the exhalant canal can discharge high-pressure cold water to water tank etc. with drainage pipe intercommunication.
In the above technical solution, the bayonet clamp 300 is provided with a clamping groove adapted to the clamping end, and the clamping end is clamped in the clamping groove. Thereby can be with the fine fixed of setting anchor clamps 400, of course, can be through jump ring etc. will set anchor clamps 400 further spacing fixed.
In this application, mould body 100 can comprise polylith interchangeable mold insert to conveniently produce the product of different specification and dimension, when producing the product of another size, only need change the mold insert that matches can.
The plastic bottle encapsulation process applying the application is as follows: (1) preparing a mold and a plastic bottle 600, wherein the mold comprises a mold body 100, the mold body 100 is preferably formed by a plurality of replaceable inserts, so that products with different specifications and sizes can be conveniently produced, when a product with another size is produced, only matched inserts are needed to be replaced, the outer surface of the plastic bottle 600 is required to be cleaned and free of foreign matters, the plastic bottle 600 is preferably a plastic bottle with heat resistance, impact resistance, high refractive index and good processing performance, the plastic bottle 600 has good mechanical performance at ordinary temperature, has UL 94V-2-grade flame retardant performance without additives, has good wear resistance, high dimensional shape precision of a bottle neck, can realize positioning, fixing and water leakage prevention after being matched with a bayonet clamp 300, the plastic bottle 600 can be made of PC or PETG or other plastics with high transparency, and the surface of the glass bottle 600 can be printed, silk-printed, gold-stamped, sticky, electroplated, spraying and other process decorations; (2) putPlacing a plastic bottle 600, placing the plastic bottle 600 in a mold cavity 110 of a mold body 100, wherein a mouth part of the mold cavity 110 is provided with a clamping interface 111 which is inwardly contracted, the mold is provided with a first clamp 200, a bayonet clamp 300, a second clamp 500 and a shaping clamp 400, the first clamp 200 and the second clamp 500 can be connected with an external air cylinder or oil cylinder or other driving mechanisms, the outer wall of the bayonet clamp 300 is provided with a clamping platform which is matched with the clamping interface 111 of the mold cavity 110, so that the bayonet clamp 300 can be clamped on the clamping interface 111 of the mold cavity 110, one end of the bayonet clamp 300 is also provided with a bayonet which is matched with a bottleneck of the plastic bottle 600, the bottleneck of the plastic bottle 600 is hermetically connected in the bayonet, the bayonet can be provided with internal threads and sealing elements, the bottleneck of the plastic bottle 600 is sealed in the bayonet through threaded connection, the first clamp 200 is provided with a mounting groove, the other end of the bayonet clamp 300 is, the second clamp 500 is provided with a mandril which is tightly propped against the bottom of the plastic bottle 600 to fix the plastic bottle 600, the plastic bottle 600 is fixed in the mold cavity 110 under the matching action of the first clamp 200, the second clamp 500 and the bayonet clamp 300 to prevent the plastic bottle 600 from easily loosening in the injection molding process to influence the rubber coating effect, the shaping clamp 400 is provided with an inserting end and a clamping end, the outer diameter of the inserting end is smaller than the inner diameter of a bottleneck, the inserting end extends into the plastic bottle 600 from the bottleneck of the bottleneck, the bayonet clamp 300 is provided with a clamping groove matched with the clamping end, the clamping end is clamped in the clamping groove and can be limited and fixed through a clamping spring and the like, the shaping clamp 400 is provided with a water inlet channel 401 penetrating through the inserting end and the clamping end, the clamping end is also provided with a water outlet channel 402, the water outlet channel 402 is arranged near the periphery of the water inlet channel 401, high-pressure coolant can be provided by outside coolant pump, first anchor clamps 200 can set up to hollow structure, the outlet pipe of coolant pump passes first anchor clamps 200 and inhalant canal 401 sealing connection, exhalant canal 402 and drain pipe sealing connection, the pressure valve sets up on the drain pipe, the drain pipe passes first anchor clamps 200 and carries the coolant liquid to the water tank of coolant pump or other places, high-pressure coolant liquid is full of behind the plastic bottle inside along grafting end and bottleneck inner wallThe gap between the plastic bottle and the plastic bottle flows out, and then the plastic bottle is discharged from the water outlet channel 402 at the clamping end, so that a user can adjust the threshold value of the pressure valve on the water outlet channel 402 according to needs, and the water pressure intensity in the plastic bottle 600 can be adjusted, and the plastic bottle can be prevented from being easily deformed under the injection pressure; (3) injection molding, wherein the plastic is heated to 140-3The injection temperature, the injection pressure and the injection speed are specifically set according to the thickness, the capacity and other dimensions of the glass bottle 600, high-pressure cooling liquid is continuously introduced into the plastic bottle 600 in the injection molding process, and continuously flows in the plastic bottle 600, so that the plastic bottle 600 can be cooled, and the plastic bottle 600 is prevented from being deformed due to high temperature; (4) and cooling, namely cooling the injection-molded product by using a plurality of groups of cooling runners of the mold body 100 and high-pressure cooling liquid flowing in the plastic bottle 600, and demolding to obtain the plastic bottle with the surface coated with the transparent encapsulating layer.
The process leads flowing high-pressure cooling liquid into the plastic bottle 600 in the injection molding process, on one hand, the plastic bottle 600 is prevented from deforming due to injection molding pressure in the injection molding process, on the other hand, the temperature on the surface of the plastic bottle 600 can be reduced, and the plastic bottle 600 is prevented from deforming due to high injection molding temperature, so that the encapsulation process of the plastic bottle 600 is completed, the surface process decoration effect of the plastic bottle 600 can be well preserved, meanwhile, a transparent encapsulation layer is formed on the outer surface of the plastic bottle 600 except for a bottleneck, the encapsulation layer can realize better protection on the plastic bottle 600, the surface process decoration effect of the plastic bottle 600 can be prevented from being easily scratched and damaged, meanwhile, the encapsulation layer has an amplification effect on the plastic bottle 600, the plastic bottle 600 with the surface process decoration effect is enabled to be luxurious, the product texture is improved, the product is more attractive in appearance, and the encapsulation layer can, the plastic bottle 600 has the advantages that the plastic bottle is drop-resistant and corrosion-resistant, the weight is light, the plastic bottle is not fragile and scratch-resistant, the use and the transportation are more convenient relative to a glass bottle and a common plastic bottle, meanwhile, more colors and effects can be formed between the plastic bottle 600 and an encapsulating layer by a user according to needs, for example, particles capable of reflecting and emitting light can be added into the encapsulating layer during injection molding, so that the beautiful appearance visual effect is obtained, the plastic bottle 600 is favored by consumers, the application can realize the reutilization of the existing plastic bottle 600, the surface process decoration effect of the plastic bottle 600 can be completely maintained, and the utilization rate is high.
The following is a specific example of the process:
example 1: a process for encapsulating plastic bottles, comprising the steps of: (1) preparing a mold and a plastic bottle 600, wherein the outer surface of the plastic bottle 600 needs to be cleaned and free of foreign matters, the body of the plastic bottle 600 is 2.5mm thick, the capacity is 20ml, the heat-resistant deformation temperature of the plastic bottle 600 is higher than 150 ℃, and the low-temperature-resistant deformation temperature is lower than minus 45 ℃; (2) placing a plastic bottle 600, placing the plastic bottle 600 in a mold cavity 110 of a mold body 100, wherein a clamping interface 111 which is inwardly contracted is arranged at the mouth part of the mold cavity 110, the mold body 100 is provided with a first clamp 200, a bayonet clamp 300, a second clamp 500 and a shaping clamp 400, a clamping platform which is matched with the clamping interface of the mold cavity 110 is arranged on the outer wall of the bayonet clamp 300, one end of the bayonet clamp is also provided with a bayonet which is matched with a bottleneck of the plastic bottle 600, the bottleneck of the plastic bottle 600 is hermetically connected in the bayonet, the first clamp 200 is provided with a mounting groove, the other end of the bayonet clamp 300 is accommodated in the mounting groove and is tightly pressed by the first clamp 200, the second clamp 500 is provided with a mandril which is tightly pressed at the bottom of the plastic bottle 600, the shaping clamp 400 is provided with an inserting end and a clamping end, the outer diameter of the inserting end is smaller, the joint end is clamped in the clamping groove, the shaping clamp 400 is provided with a water inlet channel 401 penetrating through the insertion end and the inside of the joint end, the joint end is further provided with a water outlet channel 402, a pressure valve is installed on the water outlet channel 402, high-pressure cooling liquid is introduced into the plastic bottle 600 through the water inlet channel 401, the temperature of the high-pressure cooling liquid is 20 ℃, and the high-pressure cooling liquid is full of plasticThe interior of the bottle 600 is then discharged through the outlet channel 402; (3) and (2) injection molding, namely heating the plastic to 140 ℃, keeping the sol pressure at 20-30 Mpa for 20-30 seconds to fully melt the plastic, injecting the plastic into the mold cavity 110 to wrap the plastic on the outer surface of the plastic bottle 600 to form a glue coating layer, continuously introducing high-pressure cooling liquid into the plastic bottle 600 in the injection molding process, injecting the plastic into the mold cavity 110, wherein the injection temperature of the first section is 180 ℃, the injection pressure is 50Mpa, and the injection speed is 1cm, and the injection temperature is 180 ℃, the injection pressure is 50Mpa, and the injection speed is four sections3The second stage of glue injection temperature is 160 ℃, the glue injection pressure is 80Mpa, and the glue injection speed is 5cm3The third stage of glue injection temperature is 140 ℃, the glue injection pressure is 100Mpa, and the glue injection speed is 10cm3The fourth stage of injection temperature is 130 ℃, the injection pressure is 90Mpa, and the injection speed is 1cm3S, injecting the melted plastic into the mold cavity 110, and keeping the pressure for 5 seconds; (4) and cooling, namely cooling the injection-molded product at a constant speed by using a plurality of groups of cooling runners of the mold body 100 and high-pressure cooling liquid flowing in the plastic bottle 600, cooling the mold cavity to 25 ℃ in 55 seconds, and demolding to obtain the plastic bottle 600 with the surface coated with the transparent encapsulating layer, wherein the thickness of the encapsulating layer is 6.2-11 mm.
Example 2: a process for encapsulating plastic bottles, comprising the steps of: (1) preparing a mold and a plastic bottle 600, wherein the outer surface of the plastic bottle 600 needs to be cleaned and free of foreign matters, the glue thickness of the body of the plastic bottle 600 is 3.5mm, the capacity is 60ml, the heat-resistant deformation temperature of the plastic bottle 600 is higher than 150 ℃, and the low-temperature-resistant deformation temperature is lower than minus 45 ℃; (2) place plastic bottle 600, place plastic bottle 600 in die cavity 110 of mould body 100, the oral area of die cavity 110 is provided with joint interface 111 to the internal contraction, mould body 100 is provided with first anchor clamps 200, bayonet socket anchor clamps 300, second anchor clamps 500 and design anchor clamps 400, bayonet socket anchor clamps 300 outer wall is provided with the joint platform with die cavity joint interface complex, bayonet socket anchor clamps 300 one end still is provided with the bayonet socket with the bottleneck adaptation of plastic bottle 600, the bottleneck sealing connection of plastic bottle 600 is in the bayonet socket, first anchor clamps 200 are provided with the mounting groove, bayonet socket anchor clamps 300 other end holding in the mounting groove and by first anchor clamps 200 top tightly, second anchor clamps 500 are provided with the ejector pin, the ejector pin top tightly is in plastic bottle 600 bottom, design anchor clamps are provided with grafting end andthe outer diameter of the inserting end is smaller than the inner diameter of the bottleneck, the inserting end extends into the plastic bottle 600 from the bottleneck, the bayonet clamp 300 is provided with a clamping groove matched with the inserting end, the clamping end is clamped in the clamping groove, the shaping clamp 400 is provided with a water inlet channel 401 penetrating through the inserting end and the clamping end, the clamping end is further provided with a water outlet channel 402, a pressure valve is mounted on the water outlet channel 402, high-pressure cooling liquid is introduced into the plastic bottle 600 through the water inlet channel 401, the temperature of the high-pressure cooling liquid is 30 ℃, and the high-pressure cooling liquid is discharged through the water outlet channel after filling the interior of the plastic; (3) and (2) injection molding, namely heating the plastic to 170 ℃, keeping the sol pressure at 20-30 Mpa for 20-30 seconds to fully melt the plastic, injecting the plastic into the mold cavity 110 to wrap the plastic on the outer surface of the plastic bottle 600 to form a glue coating layer, continuously introducing high-pressure cooling liquid into the plastic bottle 600 in the injection molding process, injecting the plastic into the mold cavity 110, wherein the injection temperature of the first section is 190 ℃, the injection pressure is 70Mpa, and the injection speed is 2cm, and the injection temperature is 190 ℃, the injection pressure is 70Mpa, and the injection speed is four sections3The second stage injection temperature is 165 ℃, the injection pressure is 80Mpa, and the injection speed is 8cm3The third stage of glue injection temperature is 145 ℃, the glue injection pressure is 95Mpa, and the glue injection speed is 12cm3The fourth stage of injection temperature is 135 ℃, the injection pressure is 90Mpa, and the injection speed is 1cm3S, injecting the melted plastic into the mold cavity 110, and keeping the pressure for 10 seconds; (4) and cooling, namely cooling the injection-molded product at a constant speed through a plurality of groups of cooling runners of the mold body 100 and high-pressure cooling liquid flowing in the plastic bottle 600, cooling the mold cavity to 30 ℃ within 60 seconds, and demolding to obtain the plastic bottle 600 with the surface coated with the transparent encapsulating layer, wherein the thickness of the encapsulating layer is 6.0-15 mm.
Example 3: a process for encapsulating plastic bottles 600 comprising the steps of: (1) preparing a mold body 100 and a plastic bottle 600, wherein the outer surface of the plastic bottle 600 needs to be cleaned and free of foreign matters, the body of the plastic bottle 600 is 4.5mm thick, the capacity is 100ml, the heat-resistant deformation temperature of the plastic bottle 600 is higher than 150 ℃, and the low-temperature deformation temperature is lower than minus 45 ℃; (2) placing the plastic bottle 600, placing the plastic bottle 600 in the cavity 110 of the mold body 100, wherein the mouth of the cavity 110 is provided with an inwardly-contracted clip opening 111, and the mold body 100 is provided with a first clamp 200,The bayonet clamp 300, the second clamp 500 and the shaping clamp 400, a clamping platform matched with a clamping interface of a mold cavity is arranged on the outer wall of the bayonet clamp 300, a bayonet matched with a bottleneck of a plastic bottle 600 is further arranged at one end of the bayonet clamp 300, the bottleneck of the plastic bottle 600 is connected in the bayonet in a sealing manner, a mounting groove is arranged on the first clamp 200, the other end of the bayonet clamp 300 is accommodated in the mounting groove and is tightly pressed by the first clamp 200, a push rod is arranged on the second clamp 500 and tightly pressed at the bottom of the plastic bottle 600, the shaping clamp is provided with a plugging end and a clamping end, the outer diameter of the plugging end is smaller than the inner diameter of the bottleneck, the plugging end extends into the plastic bottle 600 from the bottleneck, the bayonet clamp 300 is provided with a clamping groove matched with the clamping end, the clamping end is clamped in the clamping groove, the shaping clamp 400 is provided with a water inlet channel, introducing high-pressure cooling liquid into the plastic bottle 600 through the water inlet channel 401, wherein the temperature of the high-pressure cooling liquid is 30 ℃, and the high-pressure cooling liquid is discharged through the water outlet channel 402 after filling the interior of the plastic bottle 600; (3) and (2) injection molding, namely heating the plastic to 180 ℃, keeping the sol pressure at 20-30 Mpa for 20-30 seconds to fully melt the plastic, injecting the plastic into the mold cavity 110 to wrap the plastic on the outer surface of the plastic bottle 600 to form a glue coating layer, continuously introducing high-pressure cooling liquid into the plastic bottle 600 in the injection molding process, injecting the plastic into the mold cavity 110, wherein the injection temperature of the first section is 200 ℃, the injection pressure is 50Mpa, and the injection speed is 2cm, and the injection temperature is 200 ℃, the injection pressure is 50Mpa, and the injection speed is 2cm3The second stage injection temperature is 170 ℃, the injection pressure is 70Mpa, and the injection speed is 10cm3The third stage of glue injection temperature is 150 ℃, the glue injection pressure is 100Mpa, and the glue injection speed is 16cm3The fourth stage of glue injection temperature is 140 ℃, the glue injection pressure is 95Mpa, and the glue injection speed is 2cm3The melted plastic is injected into the mold cavity, and the pressure is maintained for 15 seconds; (4) and cooling, namely cooling the injection-molded product at a constant speed through a plurality of groups of cooling runners of the mold body 100 and high-pressure cooling liquid flowing in the plastic bottle 600, cooling the mold cavity to 35 ℃ within 65 seconds, and demolding to obtain the plastic bottle 600 with the surface coated with the transparent encapsulating layer, wherein the thickness of the encapsulating layer is 5.9-20 mm.
The process leads flowing high-pressure cooling liquid into the plastic bottle 600 in the injection molding process, on one hand, the plastic bottle 600 is prevented from deforming due to injection molding pressure in the injection molding process, on the other hand, the temperature on the surface of the plastic bottle 600 can be reduced, and the plastic bottle 600 is prevented from deforming due to high injection molding temperature, so that the encapsulation process of the plastic bottle 600 is completed, the surface process decoration effect of the plastic bottle 600 can be well preserved, meanwhile, a transparent encapsulation layer is formed on the outer surface of the plastic bottle 600 except for a bottleneck, the encapsulation layer can realize better protection on the plastic bottle 600, the surface process decoration effect of the plastic bottle 600 can be prevented from being easily scratched and damaged, meanwhile, the encapsulation layer has an amplification effect on the plastic bottle 600, the plastic bottle 600 with the surface process decoration effect is enabled to be luxurious, the product texture is improved, the product is more attractive in appearance, and the encapsulation layer can, the plastic bottle 600 has the advantages that the plastic bottle 600 is drop-resistant and corrosion-resistant, the weight is light, the plastic bottle 600 is not fragile and scratch-resistant, the use and the transportation are more convenient relative to the glass bottle and the common plastic bottle 600, meanwhile, more colors and effects can be formed between the plastic bottle 600 and an encapsulating layer by a user according to needs, for example, particles capable of reflecting and emitting light can be added into the encapsulating layer during injection molding, so that a beautiful appearance visual effect is obtained, the plastic bottle 600 is favored by consumers, the application can realize the reutilization of the existing plastic bottle 600, the surface process decoration effect of the plastic bottle 600 can be completely maintained, and the utilization rate is high.
The above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and the technical solutions that can achieve the objects of the present invention by the same basic means all belong to the protection scope of the present invention.
Claims (5)
1. A mould for plastic bottle rubber coating which characterized in that: the plastic bottle clamping device comprises a die body, a first clamp, a bayonet clamp and a second clamp, wherein the die body is provided with a die cavity for placing a plastic bottle, a clamping port which is inwardly contracted is formed in the mouth of the die cavity, a clamping platform matched with the clamping port of the die cavity is arranged on the outer wall of the bayonet clamp, one end of the bayonet clamp is further provided with a bayonet matched with a bottleneck of the plastic bottle, the first clamp is provided with a mounting groove, the other end of the bayonet clamp is accommodated in the mounting groove and tightly pushed by the first clamp, the second clamp is located at the end part of the die cavity, and the second clamp is provided with an ejector rod for tightly pushing the.
2. The mold of claim 1, wherein: the plastic bottle shaping fixture is characterized by further comprising a shaping fixture, wherein the shaping fixture is provided with a water inlet channel and a water outlet channel which are communicated with the interior of the plastic bottle.
3. The mold of claim 2, wherein: the shaping fixture is provided with an inserting end and a clamping end, the outer diameter of the inserting end is smaller than the inner diameter of a bottleneck of a plastic bottle, the water inlet channel penetrates through the inserting end and the clamping end, the water outlet channel is formed on the clamping end, and the water outlet channel is provided with a pressure valve.
4. A mold for encapsulating plastic bottles according to claim 3, characterized in that: the bayonet clamp is provided with a clamping groove matched with the clamping end, and the clamping end is clamped in the clamping groove.
5. A mould for the encapsulation of plastic bottles according to any one of claims 1 to 4, characterized in that: the mould body is composed of a plurality of replaceable inserts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558560.3U CN210820641U (en) | 2019-09-18 | 2019-09-18 | Mold for encapsulating plastic bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558560.3U CN210820641U (en) | 2019-09-18 | 2019-09-18 | Mold for encapsulating plastic bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210820641U true CN210820641U (en) | 2020-06-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921558560.3U Active CN210820641U (en) | 2019-09-18 | 2019-09-18 | Mold for encapsulating plastic bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210820641U (en) |
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2019
- 2019-09-18 CN CN201921558560.3U patent/CN210820641U/en active Active
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