Device for producing containers
阅读说明:本技术 用于制造容器的装置 (Device for producing containers ) 是由 B·黑尔 M·科尔蒂 于 2018-05-31 设计创作,主要内容包括:用于制造带有薄膜(F)的容器(V)的装置,包括:密封站(3),所述密封站(3)被布置成利用所述薄膜的一部分密封容器,所述密封站(3)包括可按命令叠合的上部(4)和下部(5),其中所述上部(4)设置有至少一个上密封型材(50,6,7),且所述下部设置有至少一个模具(8,9,10),用于容纳至少一个容器,该至少一个容器具有从多种版式中选择的版式;以及用于将所述至少一个上型材与所述下模中的一个叠合的叠合装置(11,12),其中可以通过快速释放装置(14,15)从所述下部单独和/或整体地移除下模。(Device for manufacturing containers (V) with a film (F), comprising: a sealing station (3), said sealing station (3) being arranged to seal containers with a portion of said film, said sealing station (3) comprising an upper portion (4) and a lower portion (5) that can be superimposed on command, wherein said upper portion (4) is provided with at least one upper sealing profile (50, 6, 7) and said lower portion is provided with at least one mould (8, 9, 10) for housing at least one container having a format selected from a plurality of formats; and folding means (11, 12) for folding said at least one upper profile with one of said lower dies, wherein the lower dies can be removed individually and/or integrally from said lower part by quick release means (14, 15).)
1. Device for manufacturing containers (V) with a film (F), comprising:
a sealing station (3), said sealing station (3) being arranged to seal containers with a portion of said film, said sealing station (3) comprising an upper portion (4) and a lower portion (5) that can be superimposed on command, wherein said upper portion (4) is provided with at least one upper sealing profile (50, 6, 7) and said lower portion is provided with at least one mould (8, 9, 10) for housing at least one container having a format selected from a plurality of formats,
-laminating means (11, 12) for laminating said at least one upper profile with one of said lower dies,
characterised in that the lower dies can be removed from the lower part individually and/or in its entirety by quick release means (14, 15).
2. Apparatus according to claim 1, wherein said lower portion comprises a plurality of moulds (8, 9, 10), arranged concentrically one inside the other, said superimposing means (11, 12) comprising lifting means (12) of a selected mould format.
3. Device according to claim 1 or 2, wherein the lifting device (12) is connected to the mould by means of fixing pins (14, 14 ') which can be inserted into the respective seating (15, 15 ') and removed from the respective seating (15, 15 ') by a quick release on the mould.
4. Device according to claim 3, wherein the fixing pin is a pin spring ball (16) that can be inserted by mechanical force and removed by quick release.
5. Device according to claim 3, wherein the fixed pins are pins (14') that can be inserted and removed by quick release by means of fixing tabs (25), the fixing tabs (25) being operable between a release position and a hooking position hooking corresponding slots (28) integrated into the mould (8, 9, 10).
6. Device according to one of the preceding claims, wherein the seating (15) is provided at the bottom of a respective peripheral ring (17) of the mould.
7. Apparatus according to one of claims 2 to 6, wherein the lifting means comprise a bar (18) for lifting each mould, and the pins are arranged on the bar (18).
8. Apparatus according to claim 7, wherein the rods (18) associated with each single mould are reciprocally connected by a lifting ring (19), said lifting ring (19) having above it said pins (14).
9. Device according to one of the preceding claims, wherein the upper part (4) is provided with a sealing plate (20), the sealing plate (20) being provided with a plurality of upper sealing profiles (50, 6, 7) corresponding to the respective container format to be sealed.
10. Device according to claim 9, wherein the sealing plate consists of a first fixing plate (21) and a second plate (22), the first fixing plate (21) comprising heating means (52), the second plate (22) being removable from the fixing plate and having one or more internal sealing profiles (6, 7).
11. Device according to claim 10 or 11, comprising moving means (41), said moving means (41) being able to move said removable plate (22) between an operating position locked to the fixed plate and a removal position unconstrained with respect to the fixed plate.
12. Device according to claim 11, wherein said movement means comprise a plurality of rods (42) having engagement profiles (43), said engagement profiles (43) being slidably insertable in respective guides (44) of the removable plate (22) and being drivable by means of a drive (45) to move between a retracted position corresponding to the operating position of the removable plate (22) and a position corresponding to the extraction position of said removable plate.
13. The device of claim 11, wherein the moving means is manually actuatable.
14. Device for manufacturing containers (V) with a film (F), comprising:
a sealing station (3), said sealing station (3) being arranged to seal containers with a portion of said film, said sealing station (3) comprising an upper portion (4) and a lower portion (5) that can be superimposed on command, wherein said upper portion (4) is provided with at least one upper sealing profile (50, 6, 7) and said lower portion is provided with at least one mould (8, 9, 10) for housing at least one container having a format selected from a plurality of formats,
-folding means (11, 12) for folding said at least one upper profile with said at least one lower die,
characterized in that the upper part (4) has a sealing plate (20) consisting of a first fixing plate (21) and a second plate (22), the second plate (22) being removable from the fixing plate and provided with one or more internal sealing profiles (6, 7), wherein the at least one mould is detachably arranged in the lower sealing station.
Technical Field
The present invention relates to an apparatus for manufacturing containers, in particular containers by sealing with a film.
More particularly, the present invention relates to an apparatus for manufacturing containers for food products.
Background
Currently, machines are known which comprise a vacuum pump connected to a chamber inside which a pre-made bag is generally placed, open on three sides, inside which the food or any other product is placed for vacuum packaging.
In this known type of machine, the prefabricated bag is inserted into a vacuum chamber, then the air contained in the chamber is sucked away, thus achieving a vacuum, and then welding is carried out.
This known type of machine must use prefabricated bags of a size comparable to the product.
IT1403023 discloses a packaging apparatus comprising a vacuum chamber which can be opened to receive a length of at least one single-sided film, to load the container therein and to seal IT so as to create a vacuum and/or to fill IT with a suitable gas. In this machine, the welding device is provided in a vacuum chamber comprising a concentric arrangement of welding elements in the upper part, working together with a plurality of lower dies, which alternate in coaxial position with respect to the upper parts to perform different forms of welding.
Machines of known type generally have the drawback: the groove of the lower mold is difficult to clean.
Another drawback is that it is difficult to change the size of the layout and the same geometry in a simple and quick manner.
Therefore, there is a need for a maintenance technician who uses the machine to easily clean the dies and grooves, and allow intervention to adjust or modify the equipment to facilitate replacement and servicing of the dies and welding devices/welding blades, to enable the machine to work with different formats in shape and size, and to work with more formats than are currently in use.
Disclosure of Invention
The present invention aims to overcome the drawbacks of the known solutions and to propose a machine for manufacturing containers which allows the operator to easily clean and replace the lower moulds.
These aims are achieved by an apparatus for manufacturing containers according to at least one of the appended claims.
A first advantage consists in allowing easy access to the lower space of the sealing station for cleaning operations between processing cycles involving sealing of trays of different formats.
A second advantage is that the format of the mould, both in size and shape, can be easily changed.
Drawings
These and other advantages will be better understood by those skilled in the art from the following description, given by way of non-limiting example, and the accompanying drawings, in which:
figures 1 and 1a show a plan view and a cross-section along a-a, respectively, of a device according to the invention;
figure 2 shows an exploded view of the sealing station of the device according to the invention;
figure 3 shows an exploded view of a preferred embodiment of the sealing station of the device according to the invention;
figure 4 shows a detail of the sealing plate of the sealing station of figure 3, seen from below.
Figures 5-5a show a top view and a cross-section along a-a, respectively, of the lower part of the sealing station of figure 3.
Figure 6 shows a detail of a preferred shape of the mold quick-release device;
figure 7 shows a preferred embodiment of the lower die;
figures 8 and 9 show in detail a top view and a bottom view, respectively, of a preferred embodiment of the quick release device of the lower die;
fig. 10-12 show in detail a side view of the device for joining and extracting an upper welding plate in extracted configuration, a side view in operating configuration and a perspective view of a preferred embodiment, respectively.
Detailed Description
With reference to the accompanying drawings, an apparatus for manufacturing containers V with film F is described.
Depending on the application, the containers are fed automatically (for example by a conveyor belt) or manually to a
In the example described, the film F is a planar film intended to be superimposed on the container V for sealing, preferably by heat welding of the film on the upper outer edge of the container.
However, different films, such as folded or tubular films, may be used for packaging the containers in two opposing sets of films.
The sealing station also comprises an upper part 4 and a
The upper part 4 has at least one
Preferably, the superimposition of the upper and lower parts is obtained by moving 11, 12, for example by means of a driving cylinder able to move one or both parts between a separated position for loading the containers to be sealed and an active sealing position.
Preferably, the superimposition is obtained by means of vertical movement means 11, 12 for superimposing at least one upper profile with one of the lower dies, said vertical movement means 11, 12 comprising lifting means 12 of the dies of the selected format corresponding to said upper sealing profile.
For example, the vertical moving means may comprise a
According to the invention, these lower dies can be removed individually and/or integrally from the lower part by means of a quick release device comprising, for example,
In the example shown in fig. 6, this fixing is produced by
However, the quick release of the mould may consist of different solutions, which do not necessarily use mechanical tools.
Preferably, the lower dies are arranged concentrically with one another, the
Fig. 5a shows by way of example the connection between the
Advantageously, with this solution, the operator can easily lift all the moulds, for example, starting from the small ones, can take them out and then, once the lower part has been cleaned, can insert them all without the need for mechanical tools.
This solution has removable mobile moulds, also allowing to change the format and type of trays, for example square, circular or triangular trays.
For these formats, only a mold having an appropriate shape needs to be provided, and the same operation must be performed on the sealing plate as well.
In the case of a non-standard format change, i.e. an "alternative" format, for example circular or triangular, the operator simply removes and replaces the mould with the alternative mould, removes the sealing plate and replaces it with the appropriate one.
For this purpose, the upper part 4 can be provided with a
In particular, with reference to fig. 4, the sealing plate may consist of a
In the example described, the removable plate comprises a
Advantageously, with this solution, it is possible to easily replace at least one welding profile of the upper plate according to the format of the die or of the removable die present in the lower part of the sealing station.
In operation, the film F and the containers V of the selected format are fed to the
This movement can be continued until the
In the example described, the profile 50-6-7 is a heated profile that performs the heat sealing of the film F on the
In this case, once the heat sealing has been carried out,
More specifically, and in the embodiment of the die shown in fig. 7, thanks to the superimposition with the
In various embodiments, the sealed container V is removed from the mold by lowering the mold itself or lifting the
When the user intends to clean the
Furthermore, if the format of the mould is changed by size or shape, it is only necessary to insert the mould of the desired shape and size in the
Fig. 8 and 9 show in detail a top view and a bottom view, respectively, of a preferred embodiment of the quick release of the lower mold.
In this embodiment, the fixed pin is a pin 14' which can be inserted and extracted by quick release by means of the
With reference to fig. 10-12, there are disclosed in detail a side view of the device for engaging and removing an upper welding plate in a removed configuration, a side view in an operating configuration and a perspective view of a preferred embodiment, respectively.
In this embodiment, the
Preferably, said movement means comprise a
Alternatively, the moving device 241 may be manually manipulated by an operator.
The invention has been described in terms of preferred embodiments, but equivalent variants can be devised without departing from the scope of protection sought.
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