• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    System for the manufacture of plastic containers, comprising: a press (1) with a zone of formation (11) of packages; - at least two identical molds (2a, 2b), integral with a mold carrier plate (20), diametrically facing and enabled for simultaneous rotation with respect to a vertical column (5) that is laterally distanced from the forming area (11) of the packaging; - conduits (31, 41) for direct supply of cooling circuits (3) and vacuum circuits (4) of the molds, through the vertical column (5) of rotation of said molds (2a, 2b) and; - driving means (6) that transmit 180 degree reciprocating movements to said molds (2a, 2b), positioning them alternately in the forming zone (11) of the containers and in an external area with easy access to the molds (2a, 2b) and plate holder (20). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2733458A1
    申请号:ES201830510
    申请日:2018-05-28
    公开日:2019-11-29
    发明作者:Manuel Gonzalez
    申请人:Industrias Tecnologicas de Mecanizacion y Automatizacion SA；
    IPC主号:
    专利说明:

    [0001]
    [0002] System for the manufacture of plastic containers.
    [0003]
    [0004] Object of the invention.
    [0005]
    [0006] The object of the invention is a system for the manufacture of plastic containers, preferably applicable in packaging mainly for food products.
    [0007]
    [0008] Specifically, this system for the manufacture of plastic containers comprises: a press with a zone for forming containers; and a mold provided with: a plurality of cavities for the formation of packages, a cooling circuit of the mold and a vacuum circuit for fastening inside the cavities of the mold of some banners or decorative labels prior to the formation of the containers inside it.
    [0009]
    [0010] Field of application of the invention.
    [0011]
    [0012] This invention is applicable in the field dedicated to the manufacture of packaging, and preferably, but not limited to, for dairy product packaging.
    [0013]
    [0014] Background of the invention
    [0015]
    [0016] At present, a continuous rotary system is used to make this type of packaging, which, as usual, requires the feeding of a cooling liquid and vacuum to the mold.
    [0017]
    [0018] Currently, both the supply of the cooling liquid and the vacuum to the mold is done through holes made in the column of the packaging press itself.
    [0019]
    [0020] This feeding process is very expensive and difficult to maintain since the lime accumulation of the cooling water in the ducts forces an important part of the press to be removed to clean the supply circuits.
    [0021]
    [0022] Therefore, the technical problem that arises is the development of a plastic packaging manufacturing system that allows to satisfactorily resolve the aforementioned problems.
    [0023]
    [0024] Description of the invention
    [0025]
    [0026] The system for the manufacture of plastic containers object of this invention, comprising: a press with a zone of formation of the containers, and molds provided with: a plurality of cavities for the formation of packages, a refrigeration circuit and a circuit vacuum for cooling and for securing inside the cavities of the mold of some banners or decorative labels, prior to the formation of the containers; It presents constructive particularities oriented to satisfactorily solve the problem described above.
    [0027]
    [0028] Specifically, this system has characteristics aimed at allowing the alternative use of two rotating molds and a direct supply of the refrigeration and vacuum circuits through a vertical column that is laterally displaced with respect to the forming area of the containers that during the manufacturing process the molds are arranged alternately outside the zone of formation of the containers allowing a comfortable access to said refrigeration and vacuum circuits.
    [0029]
    [0030] Specifically, in order to achieve these objectives, the system comprises: at least two identical molds, integral with a mold carrier plate, diametrically facing and capable of simultaneous rotation with respect to a vertical column spaced laterally from the container forming area. This system comprises direct supply lines of cooling circuits and vacuum circuits of the molds, through the mentioned vertical column of rotation of said molds; the system also comprising driving means that transmit 180 degree reciprocating movements to said molds, positioning them alternately in the zone of formation of the containers and in a Outside area with easy access to the molds and the mold holder plate.
    [0031]
    [0032] With these characteristics the feeding of the refrigeration and vacuum circuits is carried out directly and independently of the press itself.
    [0033]
    [0034] According to the invention, each of the molds has a plurality of cavities, with the same arrangement, for the simultaneous formation of a group of packages in that mold that is located at each moment in the area of formation of the press.
    [0035]
    [0036] These and other features of the invention will be more readily understood in view of the exemplary embodiment shown in the attached figures.
    [0037]
    [0038] Description of the figures.
    [0039]
    [0040] To complement the description that is being made and in order to facilitate the understanding of the characteristics of the invention, a set of drawings is attached to the present specification in which, for illustrative and non-limiting purposes, the following has been represented:
    [0041]
    [0042] - Figure 1 shows a schematic elevation view, partially sectioned, of the system for the manufacture of plastic containers, according to the invention in which one of the molds located in the area of formation of packages of the press can be observed and the other mold in an outside area.
    [0043]
    [0044] - Figure 2 shows a schematic top plan view of the two rotating molds shown with a flat line in the position of Figure 1 and with a broken line in an intermediate position of rotation or change of position.
    [0045]
    [0046] Preferred embodiment of the invention.
    [0047]
    [0048] As can be seen in the example of embodiment shown in Figure 1, this system for the manufacture of plastic containers comprises a press (1) provided with a zone for forming (11) containers and two identical molds (2a, 2b) in solidarity to a mold carrier plate (20) provided with a cooling circuit (3) of the molds and of a vacuum circuit (4) for fastening inside the cavities of the molds of some banners or decorative labels (not shown).
    [0049]
    [0050] As can be seen more clearly in Figure 2, the two molds (2a, 2b) are identical and face diametrically and enable simultaneous rotation, together with the mold holder plate (20), with respect to a vertical column (5) which is laterally distanced from the formation zone (11) of the containers.
    [0051]
    [0052] As can be seen in Figure 1, this system comprises conduits (31, 41) for direct feeding of the refrigeration (3) and vacuum (4) circuits through the vertical column (5) of rotation of said molds.
    [0053]
    [0054] The system comprises driving means (6), visible in Figure 2, which transmit, in this case by means of a belt (61), 180 ° reciprocating movements to the molds (2a, 2b), positioning them alternately in the zone of formation (11) of the containers and in an outer zone, outside the zone of formation (11), which allows easy access to the molds (2a, 2b) and to the mold holder plate (20).
    [0055]
    [0056] Each of the molds (2a, 2b) has a plurality of cavities (21) with the same arrangement, for the simultaneous formation of a group of packages in that mold (2a, 2b) located in the formation zone (11) of the press (1).
    [0057]
    [0058] Once the nature of the invention has been sufficiently described, as well as a preferred embodiment, it is stated for the appropriate purposes that the materials, shape, size and arrangement of the described elements may be modified, provided that this does not imply an alteration. of the essential features of the invention that are claimed below.
    权利要求:
    Claims (2)
    [1]
    1. - System for the manufacture of plastic containers, comprising: a press (1) with a zone for forming (11) containers; and a mold provided with a cooling circuit (3) of the mold, and a vacuum circuit (4) for securing inside cavities of the mold of banners or decorative labels, prior to the formation of the packages; characterized in that it comprises:
    - at least two identical molds (2a, 2b), integral with a mold carrier plate (20), diametrically facing and enabled for simultaneous rotation with respect to a vertical column (5) that is laterally distanced from the forming area (11) of the packaging;
    - conduits (31,41) for direct feeding of cooling circuits (3) and vacuum circuits (4) of the molds, through the vertical column (5) of rotation of said molds (2a, 2b ) Y;
    - driving means (6) that transmit 180 degree reciprocating movements to said molds (2a, 2b), positioning them alternately in the forming zone (11) of the containers and in an external area with easy access to the molds ( 2a, 2b) and to the mold holder plate (20).
    [2]
    2. - System according to claim 2, characterized in that each of the molds (2a, 2b) has a plurality of cavities (21), with the same arrangement, for the simultaneous formation of a group of packages in the mold (2a , 2b) located in the formation zone (11) of press containers (1).
    类似技术:
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    同族专利:
    公开号 | 公开日
    ES2733458B2|2021-02-17|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    GB920348A|1959-09-12|1963-03-06|Wilhelm Max Ellinghaus|Production of moulded cheese blocks|
    US5620715A|1994-02-10|1997-04-15|Penda Corporation|Thermoforming machine with controlled cooling station|
    US5843366A|1995-06-06|1998-12-01|Shuert; Lyle H.|Method and apparatus for forming twin sheet hollow plastic articles|
    EP1293330A2|2001-09-13|2003-03-19|Soroc Products, Inc|Thermoforming method and apparatus|
    NL1025926C1|2004-04-13|2005-10-17|Dexter Mould Technology B V|Water cooling device for thermoforming mould, comprises mantle extending around thermoformed article |
    法律状态:
    2019-11-29| BA2A| Patent application published|Ref document number: 2733458 Country of ref document: ES Kind code of ref document: A1 Effective date: 20191129 |
    2021-02-17| FG2A| Definitive protection|Ref document number: 2733458 Country of ref document: ES Kind code of ref document: B2 Effective date: 20210217 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201830510A|ES2733458B2|2018-05-28|2018-05-28|SYSTEM FOR THE MANUFACTURE OF PLASTIC CONTAINERS|ES201830510A| ES2733458B2|2018-05-28|2018-05-28|SYSTEM FOR THE MANUFACTURE OF PLASTIC CONTAINERS|
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