CN108262901B - Centrifugal dispensing plastic packaging method and device - Google Patents
Centrifugal dispensing plastic packaging method and device Download PDFInfo
- Publication number
- CN108262901B CN108262901B CN201810254653.0A CN201810254653A CN108262901B CN 108262901 B CN108262901 B CN 108262901B CN 201810254653 A CN201810254653 A CN 201810254653A CN 108262901 B CN108262901 B CN 108262901B
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- Prior art keywords
- packaged
- product
- plastic packaging
- dispensing
- hole
- Prior art date
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000003292 glue Substances 0.000 claims abstract description 17
- 230000009471 action Effects 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 8
- 238000001746 injection moulding Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/24—Feeding the material into the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/38—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/42—Casting under special conditions, e.g. vacuum
Abstract
The invention discloses a centrifugal dispensing plastic packaging method and a device, wherein a die is buckled above a product to be packaged, and a through hole is formed in the upper surface of the die; the plastic packaging method is to enable the product to be packaged to rotate, and meanwhile liquid plastic packaging glue enters the plastic packaging cavity through the through hole. The through hole is positioned on a rotating shaft for rotating the product to be packaged. The dispensing action is performed in a vacuum environment. The product to be packaged is placed above a rotatable platform and rotates with the rotatable platform. The geometric center of the product to be packaged is positioned on the rotating shaft of the product to be packaged. The device has simple structure, and greatly reduces the production of waste compared with injection molding. The dispensing is carried out through the die, and the rotary action of the product to be packaged is matched, so that the plastic packaging glue fills the whole plastic packaging cavity, the implementation mode and the implementation structure are very concise, the dispensing quantity is well and accurately controlled, and useless waste materials are not generated.
Description
Technical Field
The invention relates to the technical field of plastic packaging, in particular to a centrifugal dispensing plastic packaging method and device.
Background
Injection molding, also known as injection molding, is a method of injection and molding. The method comprises the specific steps of stirring completely molten plastic materials by a screw at a certain temperature, injecting the materials into a die cavity by high pressure, and cooling and solidifying the materials to obtain the molded product. The method is suitable for mass production of parts with complex shapes, and is one of important processing methods. The injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple patterns, various shapes, large size, accurate product size, easy updating of the product, and capability of forming parts with complex shapes, and is suitable for the field of mass production, products with complex shapes and other molding processing.
However, due to the technical characteristics, the method has the inherent defects of complex equipment and high cost, and a large amount of waste materials such as six-channel cold materials, pouring gate cold solid materials, cleaning waste materials, waste edges and the like can be generated.
Disclosure of Invention
The invention aims to provide a centrifugal dispensing plastic packaging method and device, which have simple equipment structure and greatly reduce the generation of waste compared with injection molding.
The technical scheme provided by the invention is as follows: a centrifugal dispensing plastic packaging method comprises the steps that a die is buckled on a product to be packaged to form a plastic packaging cavity, and a through hole is formed in the upper surface of the die;
and enabling the product to be packaged to rotate, and enabling the liquid plastic packaging adhesive to enter the plastic packaging cavity through the through hole.
According to the technical scheme, dispensing is performed through the die, and the rotary action of the product to be packaged is matched, so that the plastic packaging glue fills the whole plastic packaging cavity, the implementation mode and the implementation structure are very concise, meanwhile, the dispensing quantity is well and accurately controlled, and useless waste materials cannot be generated.
Preferably, the through hole is positioned on a rotating shaft where the product to be packaged rotates.
According to the technical scheme, the through hole is positioned on the rotating shaft, namely, the through hole cannot change in position along with the rotation of a product to be packaged, namely, the dispensing head for realizing dispensing action can be kept in a static state, and can be always kept above the through hole. The structure is simplified.
Preferably, the temperature in the plastic package cavity is adjustable.
According to the technical scheme, the heating temperature and the rotating speed of the rotating carrying disc can be adjusted according to the type and the viscosity of the plastic packaging adhesive.
Preferably, the dispensing action is performed in a vacuum environment.
According to the technical scheme, the glue dispensing is performed under the vacuum effect, so that air bubbles can be prevented from being doped in the plastic packaging glue, and the quality of plastic packaging is ensured. Meanwhile, when the plastic packaged product is in a normal atmosphere environment, bubbles in the plastic packaging adhesive can be further compressed.
Specifically, the product to be packaged is placed above a rotatable platform and rotates along with the rotatable platform.
Specifically, the geometric center of the product to be packaged is positioned on the rotating shaft of the product to be packaged.
According to the technical scheme, the geometric centers of the through holes, the rotating shafts and the products to be packaged are collinear, at the moment, the plastic packaging glue is diffused to the periphery through the geometric centers of the products to be packaged, and the plastic packaging effect is uniform.
The invention also discloses a centrifugal dispensing plastic packaging device, wherein the die is buckled above the product to be packaged, and the upper surface of the die is provided with a through hole; the centrifugal dispensing plastic package device comprises:
a rotary carrying disc, the product to be packaged is positioned above the rotary carrying disc and rotates along with the rotary carrying disc, and,
the dispensing head of the dispensing machine is positioned above the through hole; wherein,
the through hole is positioned on the rotating shaft of the carrying disc to be rotated.
Further, the centrifugal dispensing plastic package device further comprises a vacuum chamber, and the product to be packaged and the dispensing head are contained in the vacuum chamber.
Preferably, the geometric center of the product to be packaged is located on the rotating shaft of the product to be packaged.
Preferably, the rotary carrier plate is a temperature-adjustable carrier plate.
The centrifugal dispensing plastic packaging method and device provided by the invention can bring at least one of the following beneficial effects:
1. the dispensing is carried out through the die, and the rotary action of the product to be packaged is matched, so that the plastic packaging glue fills the whole plastic packaging cavity, the implementation mode and the implementation structure are very concise, the dispensing quantity is well and accurately controlled, and useless waste materials are not generated.
2. The through hole is positioned on the rotating shaft, namely, the through hole can not change in position along with the rotation of the product to be packaged, namely, the dispensing head for realizing the dispensing action can be kept in a static state, and can be always kept above the through hole. The structure is simplified.
3. The geometric centers of the through holes, the rotating shafts and the products to be packaged are collinear, at the moment, the plastic packaging glue is diffused to the periphery through the geometric centers of the products to be packaged, and the plastic packaging effect is uniform.
Drawings
The above features, technical features, advantages and implementation manners of the centrifugal dispensing plastic packaging method and apparatus will be further described with reference to the accompanying drawings in a clear and understandable manner.
Fig. 1 is a plan view structural diagram of a product to be packaged.
Fig. 2 is a state diagram of the mold after it is placed in the product to be packaged.
Fig. 3 is an illustration of a molding process using a centrifugal dispensing molding apparatus.
Reference numerals illustrate: 1. 2, through holes, 3, products to be packaged, 4, a rotary carrying disc, 5, a dispensing machine, 6 and a vacuum chamber.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For simplicity of the drawing, only the parts relevant to the present invention are schematically shown in each drawing, and they do not represent the actual structure thereof as a product.
Taking the product to be packaged in fig. 1 as an example, the embodiment discloses a centrifugal dispensing plastic packaging method, a mold 1 is buckled above a product to be packaged 3 to form a plastic packaging cavity, and a through hole 2 is arranged on the upper surface of the mold 1 to form a structure shown in fig. 2.
Referring to fig. 3, the product 3 to be packaged is rotated while dispensing is performed through the through-hole 2 using the dispensing head 5. When dispensing is carried out, the dispensing head 5 is positioned right above the through hole 2, and after plastic packaging glue enters a cavity formed by the die 1 and the product 3 to be packaged, the plastic packaging glue is dispersed under the centrifugal action, and then the whole die is filled. Illustratively, the product to be packaged is placed over a rotatable platform for rotation therewith, and reference numeral 4 is a rotatable tray, as shown in fig. 3, on which the product to be packaged is adsorbed for movement therewith.
Specifically, the through-hole 2 is located on a rotation shaft where the product 3 to be packaged rotates. The position of the dispensing head 5 does not need to be adjusted and is placed at rest in the rotating process of the product to be packaged as the position of the rotating through hole 2 of the product to be packaged does not change relative to the ground.
Preferably, the temperature in the plastic package cavity can be adjusted, and the heating temperature and the rotating speed of the rotating disc can be adjusted according to the type and the viscosity of the plastic package adhesive, so that the plastic package effect is optimal. The rotary tray 4 is an exemplary temperature-adjustable tray, i.e. it has a heating function, and the temperature in the plastic package cavity can be changed by adjusting the heating temperature of the rotary tray 4.
Preferably, the dispensing action is performed in a vacuum environment. The glue dispensing is carried out under the vacuum effect, so that air bubbles can be prevented from being doped in the plastic packaging glue, and the quality of plastic packaging is ensured. Meanwhile, when the plastic packaged product is in a normal atmosphere environment, bubbles in the plastic packaging adhesive can be further compressed. The vacuum environment can be realized by adding a vacuum chamber, and referring to fig. 3, the vacuum chamber 6 accommodates the rotary tray 4, the dispensing head 5 and the product 3 to be packaged therein.
It is further preferred that the geometric centre of the product 3 to be packaged is located on the axis of rotation of the packaged product. The geometric centers of the through hole 2, the rotating shaft and the product to be packaged 3 are collinear, at the moment, the plastic packaging glue is diffused to the periphery through the geometric center of the product to be packaged 3, and the plastic packaging effect is uniform.
The invention also discloses an embodiment of the centrifugal dispensing plastic packaging device, wherein the die 1 is buckled above the product 3 to be packaged, and the upper surface of the die 1 is provided with a through hole 2; this centrifugal point glues plastic packaging hardware includes: a rotary carrying disc 4 and a dispensing machine 5. The product 3 to be packaged is positioned above the rotary carrying disc and rotates along with the rotary carrying disc, and the dispensing head of the dispensing machine 5 is positioned above the through hole 2. The through hole 2 is located on the rotation axis of the carrier disc 4 to be rotated.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (9)
1. A centrifugal dispensing plastic packaging method is characterized in that: the mold is buckled on a product to be packaged to form a plastic package cavity, and a through hole is formed in the upper surface of the mold;
rotating the product to be packaged, and simultaneously enabling liquid plastic packaging glue to enter the plastic packaging cavity through the through hole; and in the rotating process of the product to be packaged, the plastic packaging adhesive fills the plastic packaging cavity under the action of centrifugal force.
2. The centrifugal dispensing and molding method according to claim 1, wherein:
the through hole is positioned on the rotating shaft for rotating the product to be packaged, the dispensing head performs dispensing through the through hole, and the dispensing head is positioned right above the through hole when dispensing is performed;
and/or;
the temperature in the plastic package cavity can be adjusted.
3. The centrifugal dispensing and molding method according to claim 1 or 2, wherein: the dispensing action is performed in a vacuum environment.
4. The centrifugal dispensing and molding method according to claim 1 or 2, wherein: and placing the product to be packaged on a rotatable platform to rotate along with the rotatable platform.
5. The centrifugal dispensing and molding method according to claim 2, wherein:
the geometric center of the product to be packaged is positioned on the rotating shaft of the product to be packaged.
6. The centrifugal dispensing plastic packaging device is characterized in that a die is buckled above a product to be packaged to form a plastic packaging cavity, and a through hole is formed in the upper surface of the die; the centrifugal dispensing plastic package device comprises:
a rotary carrying disc, the product to be packaged is positioned above the rotary carrying disc and rotates along with the rotary carrying disc, and,
the dispensing head is positioned right above the through hole, dispensing is carried out by the dispensing head through the through hole, and liquid plastic packaging glue enters the plastic packaging cavity through the through hole; wherein,
the through holes are positioned on the rotating shaft of the rotating carrier disc, and the plastic packaging cavity is filled with plastic packaging glue under the action of centrifugal force in the rotating process of the product to be packaged.
7. The device of claim 6, comprising a vacuum chamber, wherein the product to be packaged and the dispensing head are both contained in the vacuum chamber.
8. The device of claim 6 or 7, wherein the geometric center of the product to be packaged is located on the axis of rotation of the rotating carrier plate.
9. The device of claim 6, wherein the rotatable carrier is a temperature-adjustable carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810254653.0A CN108262901B (en) | 2018-03-26 | 2018-03-26 | Centrifugal dispensing plastic packaging method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810254653.0A CN108262901B (en) | 2018-03-26 | 2018-03-26 | Centrifugal dispensing plastic packaging method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108262901A CN108262901A (en) | 2018-07-10 |
| CN108262901B true CN108262901B (en) | 2023-12-05 |
Family
ID=62777881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810254653.0A Active CN108262901B (en) | 2018-03-26 | 2018-03-26 | Centrifugal dispensing plastic packaging method and device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108262901B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5879598A (en) * | 1993-10-29 | 1999-03-09 | Electronic Techniques (Anglia) Limited | Method and apparatus for encapsulating electronic components |
| CN2698564Y (en) * | 2004-06-04 | 2005-05-11 | 上海六普模具科技有限公司 | Vacuum injection forming device |
| CN101088630A (en) * | 2006-06-16 | 2007-12-19 | 鸿富锦精密工业（深圳）有限公司 | Rotary painting glue applying device and method |
| CN102148297A (en) * | 2010-12-28 | 2011-08-10 | 广州市鸿利光电股份有限公司 | LED (Light Emitting Diode) manufacturing process capable of even preparation of chromatic light and LED |
| CN103582550A (en) * | 2011-08-30 | 2014-02-12 | 约翰逊控制技术公司 | System and method for manufacturing a vehicle trim component via concurrent compression forming and injection molding |
| CN208006097U (en) * | 2018-03-26 | 2018-10-26 | 环维电子(上海)有限公司 | A kind of centrifugal dispensing Plastic packaging apparatus |
-
2018
- 2018-03-26 CN CN201810254653.0A patent/CN108262901B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5879598A (en) * | 1993-10-29 | 1999-03-09 | Electronic Techniques (Anglia) Limited | Method and apparatus for encapsulating electronic components |
| CN2698564Y (en) * | 2004-06-04 | 2005-05-11 | 上海六普模具科技有限公司 | Vacuum injection forming device |
| CN101088630A (en) * | 2006-06-16 | 2007-12-19 | 鸿富锦精密工业（深圳）有限公司 | Rotary painting glue applying device and method |
| CN102148297A (en) * | 2010-12-28 | 2011-08-10 | 广州市鸿利光电股份有限公司 | LED (Light Emitting Diode) manufacturing process capable of even preparation of chromatic light and LED |
| CN103582550A (en) * | 2011-08-30 | 2014-02-12 | 约翰逊控制技术公司 | System and method for manufacturing a vehicle trim component via concurrent compression forming and injection molding |
| CN208006097U (en) * | 2018-03-26 | 2018-10-26 | 环维电子(上海)有限公司 | A kind of centrifugal dispensing Plastic packaging apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108262901A (en) | 2018-07-10 |
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