CN105398035A - Multi-container thermal forming device and method - Google Patents
Multi-container thermal forming device and method Download PDFInfo
- Publication number
- CN105398035A CN105398035A CN201510923566.6A CN201510923566A CN105398035A CN 105398035 A CN105398035 A CN 105398035A CN 201510923566 A CN201510923566 A CN 201510923566A CN 105398035 A CN105398035 A CN 105398035A
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- CN
- China
- Prior art keywords
- chamber
- shaping
- forming
- film
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
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- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/30—Moulds
- B29C51/36—Moulds specially adapted for vacuum forming, Manufacture thereof
Abstract
The invention relates to a multi-container thermal forming device and method. The multi-container thermal forming device comprises an upper forming cavity and a lower forming cavity which are vertically arranged. A heating plate is arranged in the upper forming cavity. Forming templates are arranged in forming chambers. The forming templates are provided with forming cavities consistent with products in appearance, and exhaust hole air flues are arranged on the bottom faces of the forming templates. A forming cushion plate is arranged below the lower forming cavity. A gap is reserved between the upper surface of the forming cushion plate and the lower surface of the lower forming cavity. Vacuum exhaust cavities are formed by the gap and the exhaust hole air flues and connected with an exhaust pipe through exhaust holes in the forming cushion plate. During thermal forming, a thermal forming material is preformed into the upper cavity and the lower cavity, the exhaust holes are punched through a lower die, and after a product is packaged, the package is vertically folded. Preheating sealing is carried out according to the specific track, and finally vacuumizing sealing is carried out through the exhaust holes and exhaust channels.
Description
Technical field
The present invention relates to vacuum thermoforming package packing machine field, particularly one many thermoforming of containers device and method.
Background technology
Thermoforming technology is one of processing method that efficiency is higher, can process the goods more thinner than additive method, and its weight is lighter than other plastic products of same volume, and existing vacuum thermo moulding device is difficult to adapt to complex-shaped product.Because its shape complexity makes shaping fold increase, cause using the shaping meeting of many cavity volumes to cause matched moulds not accurate, produce the phenomenons such as involution dislocation, gas leakage.Along with the development of fully automatic vacuum thermoforming packaging machine, production efficiency demand improves constantly, so need a kind of brand-new thermal formation apparatus to meet market demand.
Summary of the invention
The present invention is intended to solve above-mentioned existing vacuum thermo moulding device institute problems faced, a kind of many thermoforming of containers device and method is provided, its advantage is: novel structure, method are unique, sealing reliability is high, avoid because the effect of pressure makes in type chamber be out of shape the dislocation and the skew that cause lower films chamber when vacuumizing, the irregular product thermoforming of suitable many cavity volumes, be easy to realize automatic and mechanical packaging and produce, enhance productivity, wide market.
In order to solve the problem, the present invention adopts following scheme:
A kind of many thermoforming of containers device, described thermal formation apparatus comprises shaping upper chamber setting up and down and shaping lower chamber, in shaping upper chamber, heating plate is installed, shaping lower chamber comprises chamber under shaping lower chamber and compacted under, under upper shaping lower chamber and compacted under, chamber is all with multiple through and consistent with product design shaping chamber, also with the bleed-off passage being positioned at described shaping cavity margin in upper shaping lower chamber; Be provided with forming panel in described shaping chamber, forming panel is with the forming cavity consistent with product design, and its bottom surface is with aspirating hole air flue; The below of described shaping lower chamber is provided with shaping backing plate, the upper surface of shaping backing plate and the lower surface part of described shaping lower chamber are with space, described space becomes vacuum pumping chamber with described aspirating hole air flue shaped, and described vacuum suction chamber is connected with exhaust tube by the aspirating hole on shaping backing plate.
Further improvement as technique scheme:
The surface uniform of described shaping backing plate is distributed with small boss, and the gap between adjacent lands is communicated with the aspirating hole air flue on described forming panel, jointly forms airtight vacuum chamber with described shaping lower chamber.
Described aspirating hole air flue is uniformly distributed along the appearance profile line of forming panel and central crossbar line.
According to a thermoforming process for many thermoforming of containers device, comprise the following steps:
The first step: upper thermoformed film is thermoformed into multiple upper film chamber by vacuumizing with the described thermal formation apparatus of upper shaping lower chamber, lower thermoformed film and be thermoformed into multiple bottom film chamber by vacuumizing with the described thermal formation apparatus of chamber under compacted under, the edge in upper film chamber is with air exhaust duct;
Second step: the edge in bottom film chamber is die-cut into the pore corresponding with described bleed-off passage;
3rd step: in bottom film chamber after filling product, upper film chamber is covered on bottom film chamber, and the pore correspondence of bottom film chamber is positioned at the air exhaust duct place in film chamber;
4th step: the edge of upper film chamber and bottom film chamber is sealed in advance;
5th step: by pore and air exhaust duct, vacuumizes the enclosed cavity of upper film chamber and bottom film chamber and seals completely its edge.
Technique effect of the present invention is:
The present invention is compared with traditional vacuum thermo moulding device, go for the thermoforming of the packaging of complex-shaped food, agricultural product, cereal product and other deep processed product, thermal formation apparatus in the present invention simple and compact for structure, good forming effect, sealing reliability are high, production efficiency is high.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of thermal formation apparatus in the present invention.
Fig. 2 is the main sectional view of thermal formation apparatus in the present invention.
Fig. 3 is the structure chart of upper shaping lower chamber in the present invention.
Fig. 4 is the structure chart of chamber under compacted under of the present invention.
Fig. 5 is the air flue distribution schematic diagram of forming panel of the present invention.
Fig. 6 is that shaping cushion of the present invention hardens composition.
Fig. 7 is thermoforming process schematic diagram in the present invention.
In figure: 1, shaping upper chamber; 2, heating plate; 3, forming panel; 301, aspirating hole air flue; 4, shaping lower chamber; 400, shaping chamber; 401, bleed-off passage; 41, upper shaping lower chamber; 410, shaping chamber; 411, bleed-off passage; 42, chamber under compacted under; 5, shaping backing plate; 501, aspirating hole; 502, boss; 61, upper thermoformed film; 610, upper film chamber; 611, air exhaust duct; 62, lower thermoformed film; 620, bottom film chamber; 621, pore.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
As shown in Figure 1 and Figure 2, many thermoforming of containers device of the present embodiment, thermal formation apparatus comprises shaping upper chamber 1 setting up and down and shaping lower chamber 4, is provided with heating plate 2 in shaping upper chamber 1; See Fig. 3, Fig. 4, shaping lower chamber 4 comprises chamber 42 under shaping lower chamber 41 and compacted under, under upper shaping lower chamber 41 and compacted under, chamber 42 is all with multiple through and consistent with product design shaping chamber 400, also with the bleed-off passage 411 being positioned at shaping chamber 410 edge in upper shaping lower chamber 41; As shown in Figure 1, shown in Figure 5, be provided with forming panel 3 in shaping chamber 410, forming panel 3 is with the forming cavity consistent with product design, and its bottom surface is with aspirating hole air flue 301; The below of shaping lower chamber 4 is provided with shaping backing plate 5, the upper surface of shaping backing plate 5 and the lower surface part of shaping lower chamber 4 are with space, space and aspirating hole air flue 301 form vacuum suction chamber, and vacuum suction chamber is connected with exhaust tube by the aspirating hole 501 on shaping backing plate 5.
Further, as shown in Figure 6, the surface uniform of shaping backing plate 5 is distributed with small boss 502, and the gap between adjacent lands 502 is communicated with the aspirating hole air flue 301 on forming panel 3, jointly forms airtight vacuum chamber with shaping lower chamber 4.
Further, as shown in Figure 5, aspirating hole air flue 301 is uniformly distributed along the appearance profile line of forming panel 3 and central crossbar line, makes shaping air pressure stepless action in film surface.
The thermoforming process according to many thermoforming of containers device of the present embodiment, as shown in Figure 7, comprises the following steps:
The first step: upper thermoformed film 61 is thermoformed into multiple upper film chamber 610 by vacuumizing with the thermal formation apparatus of upper shaping lower chamber 41, lower thermoformed film 62 and be thermoformed into multiple bottom film chamber 620 by vacuumizing with the thermal formation apparatus of chamber under compacted under 42, the edge in upper film chamber 610 is with air exhaust duct 611;
Second step: the edge in bottom film chamber 620 is die-cut into the pore 621 corresponding with bleed-off passage 611;
3rd step: in bottom film chamber 620 after filling product, upper film chamber 610 is covered on bottom film chamber 620, and pore 621 correspondence of bottom film chamber 620 is positioned at air exhaust duct 611 place in film chamber 610;
4th step: the edge of upper film chamber 610 and bottom film chamber 620 is sealed in advance;
5th step: by pore 621 and air exhaust duct 611, vacuumizes the enclosed cavity of upper film chamber 610 and bottom film chamber 620 and seals completely its edge.
Above illustrated embodiment is better embodiment of the present invention, only be used for conveniently the present invention being described, not any pro forma restriction is done to the present invention, have in any art and usually know the knowledgeable, if do not depart from the present invention carry in the scope of technical characteristic, utilize the Equivalent embodiments that the done local of disclosed technology contents is changed or modified, and do not depart from technical characteristic content of the present invention, all still belong in the scope of the technology of the present invention feature.
Claims (4)
1. thermoforming of containers device more than a kind, it is characterized in that: described thermal formation apparatus comprises shaping upper chamber (1) setting up and down and shaping lower chamber (4), in shaping upper chamber (1), heating plate (2) is installed, shaping lower chamber (4) comprises chamber (42) under shaping lower chamber (41) and compacted under, under upper shaping lower chamber (41) and compacted under, chamber (42) is all with multiple through and consistent with product design shaping chamber (400), also with the bleed-off passage (411) being positioned at described shaping chamber (410) edge on upper shaping lower chamber (41), be provided with forming panel (3) in described shaping chamber (410), forming panel (3) is with the forming cavity consistent with product design, and its bottom surface is with aspirating hole air flue (301), the below of described shaping lower chamber (4) is provided with shaping backing plate (5), the upper surface of shaping backing plate (5) and the lower surface part of described shaping lower chamber (4) are with space, described space and described aspirating hole air flue (301) form vacuum suction chamber, and described vacuum suction chamber is connected with exhaust tube by the aspirating hole (501) on shaping backing plate (5).
2. according to many thermoforming of containers device according to claim 1, it is characterized in that: the surface uniform of described shaping backing plate (5) is distributed with small boss (502), gap between adjacent lands (502) is communicated with the aspirating hole air flue (301) on described forming panel (3), jointly forms airtight vacuum chamber with described shaping lower chamber (4).
3. according to the many thermoforming of containers device described in claim 1 or 2, it is characterized in that: described aspirating hole air flue (301) is uniformly distributed along the appearance profile line of forming panel (3) and central crossbar line.
4. utilize many thermoforming of containers method of the many thermoforming of containers device described in claim 1 or 2, it is characterized in that, the method comprises the following steps:
The first step: upper thermoformed film (61) is thermoformed into multiple upper film chamber (610) by vacuumizing with the described thermal formation apparatus of upper shaping lower chamber (41), lower thermoformed film (62) and be thermoformed into multiple bottom film chamber (620) by vacuumizing with the described thermal formation apparatus of chamber under compacted under (42), the edge of upper film chamber (610) is with air exhaust duct (611);
Second step: the edge in bottom film chamber (620) is die-cut into the pore (621) corresponding with described air exhaust duct (611);
3rd step: in bottom film chamber (620) after filling product, upper film chamber (610) is covered on bottom film chamber (620), and pore (621) correspondence of bottom film chamber (620) is positioned at air exhaust duct (611) place of film chamber (610);
4th step: the edge of upper film chamber (610) with bottom film chamber (620) is sealed in advance;
5th step: by pore (621) and air exhaust duct (611), vacuumizes the enclosed cavity of upper film chamber (610) with bottom film chamber (620) and seals completely its edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923566.6A CN105398035B (en) | 2015-12-14 | 2015-12-14 | A kind of many thermoforming of containers devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923566.6A CN105398035B (en) | 2015-12-14 | 2015-12-14 | A kind of many thermoforming of containers devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105398035A true CN105398035A (en) | 2016-03-16 |
| CN105398035B CN105398035B (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510923566.6A Active CN105398035B (en) | 2015-12-14 | 2015-12-14 | A kind of many thermoforming of containers devices |
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| CN (1) | CN105398035B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6996958B1 (en) * | 2004-09-10 | 2006-02-14 | Chi-Yee Yeh | Wrapping machine for paper and plastic packing |
| EP2052979A1 (en) * | 2007-10-23 | 2009-04-29 | Alkar-RapidPak, Inc | Web packaging system with ergonomic forming plug change |
| CN202703939U (en) * | 2012-07-18 | 2013-01-30 | 广东省农业科学院兽医研究所 | Vacuum packaging machine |
| CN105058762A (en) * | 2015-08-07 | 2015-11-18 | 苏州华冲精密机械有限公司 | Novel blister mould |
| CN205240053U (en) * | 2015-12-14 | 2016-05-18 | 江南大学 | Hot forming device of many containers |
-
2015
- 2015-12-14 CN CN201510923566.6A patent/CN105398035B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6996958B1 (en) * | 2004-09-10 | 2006-02-14 | Chi-Yee Yeh | Wrapping machine for paper and plastic packing |
| EP2052979A1 (en) * | 2007-10-23 | 2009-04-29 | Alkar-RapidPak, Inc | Web packaging system with ergonomic forming plug change |
| CN202703939U (en) * | 2012-07-18 | 2013-01-30 | 广东省农业科学院兽医研究所 | Vacuum packaging machine |
| CN105058762A (en) * | 2015-08-07 | 2015-11-18 | 苏州华冲精密机械有限公司 | Novel blister mould |
| CN205240053U (en) * | 2015-12-14 | 2016-05-18 | 江南大学 | Hot forming device of many containers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105398035B (en) | 2017-06-30 |
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Effective date of registration: 20180426 Address after: 226361 tengtong Road, Ping Dong Industrial Park, Tongzhou District, Nantong, Jiangsu, 1 Patentee after: JIANGSU TENGTONG PACKING MACHINERY CO., LTD. Address before: 214122 1800 Lihu Avenue, Binhu District, Wuxi, Jiangsu Patentee before: Jiangnan University |
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