CN212280863U - Thermal insulation plastic cup assembled in mould - Google Patents
Thermal insulation plastic cup assembled in mould Download PDFInfo
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- CN212280863U CN212280863U CN202020243064.5U CN202020243064U CN212280863U CN 212280863 U CN212280863 U CN 212280863U CN 202020243064 U CN202020243064 U CN 202020243064U CN 212280863 U CN212280863 U CN 212280863U
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Abstract
The utility model provides a heat preservation plastic cup of equipment in mould belongs to the technical field of moulding plastics. The plastic cup comprises an inner plastic cup and an outer plastic cup, wherein the outer wall of the top of the inner plastic cup is fixedly connected with the inner wall of the top of the outer plastic cup, a gap is formed between the outer wall of the bottom of the inner plastic cup and the inner wall of the bottom of the outer plastic cup, and the inner plastic cup and the outer plastic cup are of an integrated structure. The utility model discloses an interior plastic cup of in-mould shaping and outer plastic cup to make interior plastic cup and outer plastic cup in the mould simultaneously and mould plastics and connect, the high-pressure injection molding material of high temperature makes interior plastic cup and outer plastic cup connect structure as an organic whole, thereby improves the structural strength of whole plastic cup, increase of service life.
Description
Technical Field
The utility model belongs to the technical field of mould plastics, a heat preservation plastic cup of equipment in mould is related to.
Background
The plastic vacuum cup is generally formed by combining two cups, a hollow gap is formed between the two cups, and the hollow gap is used for blocking heat transfer between the inside and the outside of the cup, so that the heat preservation effect is achieved.
The existing double-layer plastic vacuum cups are respectively processed into an inner plastic cup and an outer plastic cup, and then the inner plastic cup and the outer plastic cup are bonded, so that the split structure is easy to separate in the daily use process, and the service life is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide an equipment insulation plastic cup in mould.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the heat-preservation plastic cup assembled in the mold comprises an inner plastic cup and an outer plastic cup, wherein the outer wall of the top of the inner plastic cup is fixedly connected with the inner wall of the top of the outer plastic cup, a gap is formed between the outer wall of the bottom of the inner plastic cup and the inner wall of the bottom of the outer plastic cup, and the inner plastic cup and the outer plastic cup are of an integrated structure.
The heat-preservation plastic cup assembled in the mold further comprises an annular connecting ring, the top and the inner wall of the connecting ring are fixedly connected with the inner plastic cup, and the bottom of the connecting ring is fixedly connected with the outer plastic cup.
In the heat preservation plastic cup assembled in the mold, the top of the inner plastic cup is turned outwards to form a circle of connecting bead, the bottom of the connecting bead is fixedly connected with the top of the connecting ring, and the connecting bead, the connecting ring and the outer wall of the outer plastic cup are in smooth transition.
In the heat-preservation plastic cup assembled in the mold, the outer wall of the top of the inner plastic cup protrudes outwards to form a cross-linking part, the top of the cross-linking part is connected with the connecting bead, the outer wall of the cross-linking part is fixedly connected with the connecting ring and the inner wall of the outer plastic cup respectively, and a gap is formed between the area of the outer wall of the inner plastic cup below the cross-linking part and the area of the inner wall of the outer plastic cup below the cross-linking part.
In the heat-preservation plastic cup assembled in the mold, the inner diameters of the inner plastic cup and the outer plastic cup are gradually reduced from the top to the bottom, the centers of the bottoms of the inner plastic cup and the outer plastic cup are respectively upwards protruded, and the bottom of the outer plastic cup is also connected with a circle of foot rings.
Compared with the prior art, the utility model has the advantages of: the inner plastic cup and the outer plastic cup are formed in the mold, the inner plastic cup and the outer plastic cup are connected in an injection molding mode at the same time, and the inner plastic cup and the outer plastic cup are connected into an integral structure through high-temperature and high-pressure injection molding materials, so that the structural strength of the whole plastic cup is improved, and the service life is prolonged; the inner plastic cup and the outer plastic cup are connected in the mold, so that the step of assembling outside the mold is saved, and the production efficiency is improved; during injection molding, the step of assembling and the step of respectively injection molding the inner plastic cup and the outer plastic cup can be simultaneously carried out, so that the production efficiency is further improved.
Drawings
FIG. 1 is a schematic structural view of an insulation plastic cup provided in embodiment 1 of the present invention;
FIG. 2 is a schematic view of the internal structure of the thermal insulation plastic cup provided in embodiment 1 of the present invention;
FIG. 3 is an exploded view of the thermal plastic cup provided in embodiment 1 of the present invention;
FIG. 4 is a schematic view of the internal structure of an injection mold provided in embodiment 2;
FIG. 5 is a schematic view showing the external structure of an injection mold according to embodiment 2;
FIG. 6 is a partial schematic structural view of an injection mold provided in embodiment 2;
FIG. 7 is a partial schematic structural view of an injection mold provided in embodiment 2;
fig. 8 is an enlarged view at a in fig. 4.
In the figure, an inner plastic cup 1, an outer plastic cup 2, a connecting ring 3, a connecting bead 4, a cross-linking part 5, a foot-supporting ring 6, a front mold 7, a rear mold 8, a first injection port 9, a second injection port 10, a third injection port 11, a first molding cavity 12, a second molding cavity 13, a third molding cavity 14, a first molding insert 15, a second molding insert 16, a third molding insert 17, a rear mold turntable 18, a front mold insert 19, a rear mold rotating shaft 20, a front mold rotating shaft 21, an in-mold driving assembly 22, a linear driver 23, a rack 24, a gear set 25, a strong spring 26, a main gear 27, a transmission gear 28 and a connecting ring molding lug 29.
Detailed Description
Example 1
As shown in figures 1 and 2, the thermal insulation plastic cup assembled in the mold comprises an inner plastic cup 1 and an outer plastic cup 2, wherein the outer wall of the top of the inner plastic cup 1 is fixedly connected with the inner wall of the top of the outer plastic cup 2, a gap is formed between the outer wall of the bottom of the inner plastic cup 1 and the inner wall of the bottom of the outer plastic cup 2, and the inner plastic cup 1 and the outer plastic cup 2 are of an integrated structure.
The existing double-layer plastic vacuum cups are respectively processed into an inner plastic cup and an outer plastic cup, and then the inner plastic cup and the outer plastic cup are bonded, so that the split structure is easy to separate in the daily use process, and the service life is short.
In order to connect the inner plastic cup and the outer plastic cup more firmly, in the embodiment, as shown in fig. 1-3, the plastic cup further comprises a ring-shaped connecting ring 3, the top and the inner wall of the connecting ring 3 are fixedly connected with the inner plastic cup 1, the bottom of the connecting ring 3 is fixedly connected with the outer plastic cup 2, and the connecting ring 3 is arranged to form a mutually fixed connection among the inner plastic cup 1, the outer plastic cup 2 and the connecting ring 3, so as to prevent the inner plastic cup 1 and the outer plastic cup 2 from being separated.
The top of the inner plastic cup 1 is turned outwards to form a circle of connecting bead 4, the bottom of the connecting bead 4 is fixedly connected with the top of the connecting ring 3, and the outer walls of the connecting bead 4, the connecting ring 3 and the outer plastic cup 2 are in smooth transition. The connecting bead 4 has two functions, the first is to improve the comfort of drinking water, and the second is to facilitate the fixed connection with the connecting ring 3. The outer surface of the connecting ring 3 is in a smooth cambered surface shape.
The outer wall of the top of the inner plastic cup 1 protrudes outwards to form a cross-linking part 5, the top of the cross-linking part 5 is connected with a connecting bead 4, the outer wall of the cross-linking part 5 is fixedly connected with the connecting ring 3 and the inner wall of the outer plastic cup 2 respectively, a gap is formed between the area of the outer wall of the inner plastic cup 1 below the cross-linking part 5 and the area of the inner wall of the outer plastic cup 2 below the cross-linking part 5, and the gap forms a heat insulation interval, so that the heat preservation performance is realized.
The inner diameters of the inner plastic cup 1 and the outer plastic cup 2 are gradually reduced from the top to the bottom, the centers of the bottoms of the inner plastic cup 1 and the outer plastic cup 2 are respectively raised upwards, the bottom of the outer plastic cup 2 is also connected with a circle of foot pad rings 6, and the foot pad rings 6 are hollow inside to form an anti-skidding effect.
Example 2
A method for preparing a thermal insulation plastic cup assembled in a mold comprises the steps of firstly performing injection molding on an inner plastic cup 1 and an outer plastic cup 2 in the same injection mold, opening the mold after the injection molding is finished, respectively rotating the inner plastic cup 1 and the outer plastic cup 2 to enable the inner plastic cup 1 and the outer plastic cup 2 to correspond in position, sleeving the outer plastic cup 2 outside the inner plastic cup 1 after the mold is closed, and performing injection molding on the joint of the inner plastic cup 1 and the outer plastic cup 2, so that the inner plastic cup 1 and the outer plastic cup 2 are fixedly connected.
In the prior art, the inner plastic cup and the outer plastic cup are respectively processed in the die, and after the die is removed, the inner plastic cup and the outer plastic cup are bonded outside the die, so that the split structure is easy to separate in the daily use process, the service life is short, the process is complex, and the production efficiency is low. This application adopts and carries out fixed connection after moulding plastics in the mould, and simple process, and the plastics cup fastness after the processing is high, long service life.
Specifically, as shown in fig. 4 and 5, the injection mold includes a front mold 7 and a rear mold 8, the front mold 7 is provided with a first injection port 9, a second injection port 10, and a third injection port 11, and a first molding cavity 12, a second molding cavity 13, and a third molding cavity 14 respectively connected to the first injection port 9, the second injection port 10, and the third injection port 11.
The rear die 8 is provided with a first forming insert 15, a second forming insert 16 and a third forming insert 17 which are matched with the first forming cavity 12, the second forming cavity 13 and the third forming cavity 14, the second forming insert 16 and the third forming insert 17 are the same in shape and size and are independent respectively, the second forming insert 16 and the third forming insert 17 are connected with a rear die turntable 18, the rear die turntable 18 is positioned in the rear die 8 and is movably connected with the rear die and can rotate along the circumferential direction, the front die 7 is rotatably connected with a front die insert 19, the first forming cavity 12 and the third forming cavity 14 are positioned in the front die insert 19, and the first forming cavity 12 and the third forming cavity 14 are the same in shape and size and are independent respectively.
When the mold is closed, the first molding cavity 12 and the first molding insert 15 are matched to form a cavity for molding the outer plastic cup 2, and the second molding cavity 13 and the second molding insert 16 are matched to form a cavity for molding the inner plastic cup 1.
It should be noted here that when the second forming insert 16 and the third forming insert 17 are rotated 180 ° to exchange positions, the second forming cavity 13 can be matched with the second forming insert 16 and the third forming insert 17 respectively for forming the outer plastic cup 2, and when the front mold insert 19 is rotated 180 °, the first forming cavity 12 and the third forming cavity 14 are exchanged, and the first forming insert 15 can be matched with the first forming cavity 12 and the third forming cavity 14 respectively for forming the inner plastic cup 1.
And (3) opening the mold, wherein the outer plastic cup 2 is positioned in the first molding cavity 12, the inner plastic cup 1 is positioned on the second molding insert 16, the second molding insert 16 and the first molding cavity 12 rotate 180 degrees respectively, the second molding insert 16 corresponds to the first molding cavity 12 in position, mold closing is carried out again, the outer plastic cup 2 is sleeved on the inner plastic cup 1, injection molding is carried out on the joint part of the outer plastic cup 2 and the inner plastic cup 1 through the third injection port 11, the inner plastic cup 1 and the outer plastic cup 2 are fixedly connected, and a product is taken out after the mold opening is carried out.
When the mold is opened, the outer plastic cup 2 is positioned in the first molding cavity 12, a sprue of a first injection port can be communicated with the first molding cavity 12, the inner plastic cup 1 is positioned on the second molding insert 16, the second injection port can be positioned in the second molding insert 16 through a sprue channel, and the injection molding piece is positioned on one side with the sprue when the mold is opened, so that the mold opening process can be ensured.
The rear mold rotating disc 18 is fixedly connected with a rear mold rotating shaft 20, the rear mold rotating shaft 20 is connected with an injection molding machine, the rear rotating shaft 20 is driven to rotate by a motor or a hydraulic motor, the second forming insert 16 and the third forming insert 17 are respectively and fixedly connected with the rear mold rotating disc 18, the front mold insert 19 protrudes out of the end surface of the front mold 7 close to one side of the rear mold 8, the front mold insert 19 is fixedly connected with a front mold rotating shaft 21, and the front mold rotating shaft 21 is connected with an in-mold driving component 22 capable of driving the front mold rotating shaft 21 to rotate in the circumferential direction.
The first injection port 9 is connected with the first molding cavity 12 through a runner, a gate is arranged in the first molding cavity 12, the second injection port 10 is connected with the second molding insert 16 through a runner, and the gate is arranged in the second molding insert 16.
As shown in fig. 6 and 7, the in-mold driving assembly 22 includes a linear actuator 23 located in the front mold 7, the linear actuator 23 is an air cylinder or an oil cylinder, and may also be a linear motor, a rack 24 is connected to a driving shaft of the linear actuator 23, a gear set 25 is connected to a top of the front mold rotating shaft 21, and the gear set 25 is engaged with the rack 24.
The front mold 7 is further provided with a strong spring 26, the end of the strong spring 26 is fixedly connected with the front mold insert 19, several strong springs 26 can be arranged around the outer surface of the front mold rotating shaft, when the mold is opened, the front mold insert 19 is ejected by the strong spring 26, the front mold rotating shaft 21 is fixedly connected with the front mold insert 19, the gear set 25 comprises a main gear 27 fixedly connected with the front mold rotating shaft 21 and a transmission gear 28 rotatably connected with the front mold 7, the transmission gear 28 is meshed with the rack 24, when the front mold insert 19 is pushed by the strong spring 26 to move downwards, the transmission gear 28 is meshed with the main gear 27, as shown in fig. 4 and 8, the first molding insert 15 is provided with an outwardly protruding connecting ring molding lug 29, when the front mold insert 19 rotates 180 degrees, the position of the first molding cavity 12 corresponding to the connecting ring molding lug 29 is communicated with the third injection molding opening 11, and forming the connecting ring 3 at the position of the first molding cavity 12 corresponding to the connecting ring molding lug 29 through injection molding of the third injection port 11, so that the inner plastic cup 1 and the outer plastic cup 2 are fixedly connected.
Preferably, when the connecting ring 3 is injection molded, the second molding cavity 13 is matched with the corresponding second molding insert 16 or third molding insert 17, the inner plastic cup is cast and molded through the second injection port, the first molding insert 15 is matched with the first molding cavity 12 or third molding cavity 14, and the outer plastic cup is cast and molded through the first injection port. This step allows the injection molding of the inner and outer plastic cups and the injection molding of the connecting ring 3 to be continuously performed, thereby further improving the production efficiency.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as the inner plastic cup 1, the outer plastic cup 2, the connecting ring 3, the connecting bead 4, the cross-linking portion 5, the foot ring 6, the front mold 7, the rear mold 8, the first injection port 9, the second injection port 10, the third injection port 11, the first molding cavity 12, the second molding cavity 13, the third molding cavity 14, the first molding insert 15, the second molding insert 16, the third molding insert 17, the rear mold turntable 18, the front mold insert 19, the rear mold spindle 20, the front mold spindle 21, the in-mold driving assembly 22, the linear driver 23, the rack 24, the gear set 25, the strong spring 26, the main gear 27, the transmission gear 28, the connecting ring molding projection 29, etc., are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (4)
1. An insulation plastic cup assembled in a mould comprises an inner plastic cup (1) and an outer plastic cup (2), and is characterized in that the outer wall of the top of the inner plastic cup (1) is fixedly connected with the inner wall of the top of the outer plastic cup (2), a gap is arranged between the outer wall of the bottom of the inner plastic cup (1) and the inner wall of the bottom of the outer plastic cup (2), the inner plastic cup (1) and the outer plastic cup (2) are of an integrated structure,
the plastic cup is characterized by further comprising an annular connecting ring (3), the top and the inner wall of the connecting ring (3) are fixedly connected with the inner plastic cup (1), and the bottom of the connecting ring (3) is fixedly connected with the outer plastic cup (2).
2. The in-mold assembled thermal insulation plastic cup according to claim 1, wherein the top of the inner plastic cup (1) is turned outwards to form a circle of connecting bead (4), the bottom of the connecting bead (4) is fixedly connected with the top of the connecting ring (3), and the outer walls of the connecting bead (4), the connecting ring (3) and the outer plastic cup (2) are in smooth transition.
3. The in-mold assembled thermal insulation plastic cup according to claim 2, wherein the outer wall of the top of the inner plastic cup (1) protrudes outwards to form a cross-linked part (5), the top of the cross-linked part (5) is connected with the connecting bead (4), the outer wall of the cross-linked part (5) is fixedly connected with the connecting ring (3) and the inner wall of the outer plastic cup (2), and a gap is formed between the area of the outer wall of the inner plastic cup (1) below the cross-linked part (5) and the area of the inner wall of the outer plastic cup (2) below the cross-linked part (5).
4. The in-mold assembled thermal insulation plastic cup according to claim 1, wherein the inner diameters of the inner plastic cup (1) and the outer plastic cup (2) are gradually reduced from the top to the bottom, the centers of the bottoms of the inner plastic cup (1) and the outer plastic cup (2) are respectively raised upwards, and the bottom of the outer plastic cup (2) is further connected with a ring of foot rings (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020243064.5U CN212280863U (en) | 2020-03-03 | 2020-03-03 | Thermal insulation plastic cup assembled in mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020243064.5U CN212280863U (en) | 2020-03-03 | 2020-03-03 | Thermal insulation plastic cup assembled in mould |
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| CN212280863U true CN212280863U (en) | 2021-01-05 |
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| CN202020243064.5U Active CN212280863U (en) | 2020-03-03 | 2020-03-03 | Thermal insulation plastic cup assembled in mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111202412A (en) * | 2020-03-03 | 2020-05-29 | 台州市黄岩泳川塑胶有限公司 | Thermal insulation plastic cup assembled in mold and preparation method thereof |
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- 2020-03-03 CN CN202020243064.5U patent/CN212280863U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111202412A (en) * | 2020-03-03 | 2020-05-29 | 台州市黄岩泳川塑胶有限公司 | Thermal insulation plastic cup assembled in mold and preparation method thereof |
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