PACKAGING MACHINE FOR PRODUCING AND FILLING MULTIPLE TYPES OF BAGS

Abstract

Packaging machine that can produce and fill bags, both flat and welded on three sides, with minimum demands for machine modifications in case of transition from producing and filling one type of bag to producing and filling another type of bag.

Claims

1. A packaging machine for producing and filling multiple types of bags, wherein the machine incorporates a film container and its guiding mechanism and longitudinal and transverse welding jaws, characterized in that the axis (120) of transverse welding jaws (12) is rotated by 45 vs. the vertical longitudinal plane (2) of the packaging machine, where the by the tube (3) supplied film feeding axis (20) lies, with transverse welding jaws (12) installed on device (121) for clamping and opening transverse welding jaws (12).

2. The packaging machine as in claim 1, where in the entire device (121) for clamping and opening transverse welding jaws (12) is installed in a sliding arrangement on vertical bars (122), adjusted for the movement of the device (121) for clamping and opening transverse welding jaws (12), up and down, synchronously with the continuously moving film.

3. The packaging machine as in claim 2, where in the device (121) for clamping and opening transverse welding jaws (12) is detachable, with an adjustment for shut-down in any position of the vertical stroke.

4. The packaging machine as in claim 1, where in tube (3) with collar (31) of tube (3) is mounted on the machine for producing flat bags (21) and its longitudinal weld-creating axis is on the same plane as the plane of transverse welding jaw (12).

5. The packaging machine as in claim 1, where in tube (3), adjusted for introducing the foil into the longitudinal welding jaws (11), with collar (31) of tube (3) is mounted on the machine for producing bags welded on three sides (22), specifically for producing a longitudinal weld on that bag, and its longitudinal weld-creating axis is perpendicular to the axis of transverse welding jaws (12).

6. The packaging machine as in claim 1, where in tube (3) adjusted for introducing the foil into the longitudinal welding jaws (11), with collar (31) of tube (3) is mounted on the machine for producing Doy bags (23) and its longitudinal weld-creating axis is perpendicular to the axis of transverse welding jaws (12), for producing longitudinal welds on bags welded on three sides (22), with a bottom interlay added.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The technical solution is described and explained in greater detail on an embodiment, using also the attached drawings, wherein FIG. 1 shows a perspective view of the mechanism for strip guiding and setting of welding jaws on a machine for flat bags and FIG. 2 shows a perspective view of the mechanism for strip guiding and setting of welding jaws on a machine set to produce and fill bags welded on three sides and Doy bags, and wherein FIG. 3 shows an analogous, schematized view of the same mechanism as in FIG. 1, i.e. for flat bags, and FIG. 4 shows a schematized view of the mechanism as in FIG. 2, i.e. for three-sided bags and Doy bags, plus FIG. 5 with a perspective view of a flat bag, FIG. 6 with a perspective view of a bag welded on three sides and finally FIG. 7 with a perspective view of a Doy bag.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

Embodiment 1

[0011] A specific embodiment of the universal vertical packaging machine, arranged in accordance with the present technical solution, for producing and filling flat bags, bags welded on three sides and Doy bags without any principal machine conversions, is described below.

[0012] The said packaging machine includes a film container, not shown here, and its guiding mechanism 1 and longitudinal welding jaws 11 as well as transverse welding jaws 12, wherein it is essential that the machine is designed so that the axis 120 of transverse welding jaws 12 is rotated by 45 vs. the vertical longitudinal plane 2 of the packaging machine, where the by the tube supplied film feeding axis 20 lies, with transverse welding jaws installed on device for clamping and opening transverse welding jaws.

[0013] Transverse welding jaws 12 are placed on device 121 for clamping and opening these transverse welding jaws 12. The entire device 121 for clamping and opening transverse welding jaws 12 is installed in a sliding arrangement on vertical bars 122, adjusted for the movement of the entire drive, or device 121 for clamping and opening transverse welding jaws 12, up and down, synchronously with the continuously moving film. With such a synchronous movement the machine can work in continuous mode. However, the vertical drive of transverse welding jaws 12 is detachable, with an adjustment for shut-down in any position of the vertical stroke. In this way the machine can also operate in discontinuous mode, if desired. In the settings for producing flat bags 21, tube 3 with collar 31 of tube 3 is mounted on the described machine; its longitudinal weld-creating axis is on the same plane as the plane of transverse welding jaw 12.

Embodiment 2

[0014] In the second setting option for a machine with an analogous design, i.e. for producing bags welded on three sides 22, specifically for producing a longitudinal weld on bag welded on three sides 22, tube 3 with tube collar 31 is mounted on the machine and its longitudinal weld-creating axis is perpendicular to the axis 120 of transverse welding jaws 12.

Embodiment 3

[0015] For another, third option of use, constituting a configuration or settings of the described packaging machine for producing Doy bags 23, tube 3 with tube collar 31 is mounted on the machine, otherwise designed analogously with embodiments 1 and 2, and its longitudinal weld axis is perpendicular to the axis 120 of transverse welding jaws 12, with a modification for producing longitudinal welds on bags welded on three sides 22, with a bottom interlay added vs. the three-sided bag.

[0016] In this manner the presented embodiments result in a packaging machine with high variability of use, wherein the machine remains compact, with smaller dimensions and easier steps for machine change to produce and fill another type of bag compared to a similar machine with a rotating mechanism.

INDUSTRIAL APPLICABILITY

[0017] The packaging machine according to the present invention is useful for producing bags and for packaging goods in such bags. The bags are filled by the dispensing device when the bag is closed by the lower weld and before it is closed by the upper weld, with the dispensing and filling operations being provided by a common dispensing and filling device which is not in itself the subject of this invention. Its improved usability compared to existing machines of a similar purpose consists in the smaller dimensions of the machine, simpler overall design and easier operation when setting the machine to a different type of the produced and filled bag.

LIST OF REFERENCE SYMBOLS

[0018] 1guiding mechanism [0019] 2vertical longitudinal plane of the packaging machine [0020] 20film feeding axis [0021] 11longitudinal welding jaws [0022] 12transverse welding jaws [0023] 120axis of transverse welding jaws [0024] 121device for clamping and opening transverse welding jaws [0025] 122vertical bars [0026] 21flat bag [0027] 22bag welded on three sides [0028] 23Doy bag [0029] 3tube [0030] 31tube collar