EP1161367B1

EP1161367B1 - Machine for packaging granulated sugar in small packages

Info

Publication number: EP1161367B1
Application number: EP99972996A
Authority: EP
Inventors: Dragan Petkov
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-11-26
Filing date: 1999-11-25
Publication date: 2003-04-02
Anticipated expiration: 2019-11-25
Also published as: ATE236046T1; YU53798A; EP1161367A1; WO2000032476A1; DE69906588D1; YU48900B; AU1479900A

Abstract

Machine for packaging small quantities of sugar into bags of certain shapes and desired sizes, comprising a packaging line (A) with a spool (1a) support (1) of paper foil (1b) as well as stretched rollers (2) and (3), fork (4) located on the part of the tube (18) and also the ring (5) freely pulled over cylindrically formed paper foil (1b) on the vertical part of the tube (18), under which the vertical (6) and the heater (7) is placed. While under the end (18a) of the tube is located a movable (on axis) (8) and together with it movable heater (9) under which knives (11) are placed for cutting off in conjunction with hitched (circling) (10), a sugar line (B) with reception basket (12) and an injector (14), placed under it and driven by lever (14a) under which the pass through drain (17) is located and continued with a slope part of the tube (18) for distributing sugar into partially formed bags, and a mechanism (20).

Description

The technical field to which the invention is related to

The invention belongs to a general packaging field, in other words, to the field of machines and procedures for successive packaging of things or particular quantities of materials into tube-shaped shells made from thin bendable materials. They are related to machines for automatic (hygienic) packaging of small quantity primarily granulated sugar into bags formed by heat welding of special paper foils.
In accordance with international classification patents, the designation is as follows: B 65B 9/06.

Technical problem

The invention solves the construction of this automatic machine with electrical power, which is able of successive automatic hygienic packaging of small quantities of materials, best for 5 g, primarily granulated sugar into bags of particular sizes formed by heat welding of special paper foils. Paper foils will be printed with some commercial samples in advance.

Technology

It is known, from non-patented literature, about one similar machine (solution) for packaging at which the injector is initiated with pneumatic piston and cylinder through pneumatic divider and connecting claws on the rim of the camshaft (plate). This known solution has also a disadvantage because it requires, beside the machine, also a stable installation for obtaining and distributing compressed air.

There is a relevant solution described in the patent documentation as a 'Machine for packaging liquid products'. The machine encircles the foil on ring that leans against holders as well as the stretched cylinders with winch and with cylinder for stretching the foils before contacts with liquid that is being packed. The machine also comprises the drive (power) mechanism. The construction of this machine, although relevant to the construction of the machine in accordance with invention, it does not solve defined technical problem, what can be considered its disadvantage in this case.
In the available Yu patent documentation, exists a YU patent list # 32 194 in which a machine for packaging meltable materials is described, for example, bitumen into a bendable hose-shaped pots from man made materials. The solution, to a certain degree relevant for the construction of the machine in accordance with the invention, is comprised from a pot which has to be filled with melted material winded on ring that is self unwinding and floating taken by float in the heated bathtub, during which the sole charging is undertaken by a connected tank for refilling, while at the same time, the air is supplied under pressure. Suggested solution doesn't solve the above mentioned technical problem and is only interesting from the technological point of view.

From patent documentation, US patent No. 3,008,278 which relates to method and apparatus for forming, filling and sealing bags is partially relevant to the subject-matter of the invention. It discloses an apparatus in accordance with the preamble of claim 1 and comprising a frame, a reciprocable carriage on said frame, then a tubular mandrel on said frame above said carriage, and means for continuously forming a web of sheet material into a tube about said mandrel. Then it comprises a pair of spaced plates mounted centrally below said mandrel, a pair of laterally movable plates mounted on said frame and movable toward each other into engagement with said sheet material and between said pair of spaced plates to form gussets. The apparatus further comprises means on said carriage for clamping, folding and sealing the lower and upper edges of the bag being formed during previous working operations, means for filling the bags, and a pair of laterally movable fingers on said carriage for reforming said gussets prior to sealing the upper edge of the bags being formed to their final shape.

Presentation of the substance of the invention

This machine for packaging small quantities of sugar, according to the invention as defined in claim 1, consists of a work group for packaging, a work group for sugar as well as a universal joint power mechanism driven with Electro motor with snaillike low-range gear lever, that are operated by electrical switches placed on the control panel of the machine.

Sugar, primarily granulated sugar from the reception basket of the machine, through injector (in quantities determined in advance) arrives by gravitational force into pass through drain and, from there, first on the slope and then on the straight part of the tube for sugar distribution and into already prepared bags with glued vertical seams and with lower horizontal seam on the line for packaging during synthesis of the sugar line and the packaging line.

On line for packaging unwrapped tape of paper, positioned over stretched rollers moves vertically in the rhythm of the machine passing through 'V' shaped fork and then, wrapped like a cylinder, around vertical part of the tube for sugar reception, passes through calibrated, freely pulled ring, obtaining final cylindrical shape. In the next rhythm of the machine, vertical seam is being weld as well as the horizontal seam on the previous bags. After synchronized reception of particular quantities of sugar into a bag, upper seam is being weld during the next rhythm while at the same time previous bags are being cut off with knives.

This way we provide hygienically filled bags of particular quantities of sugar, while the machine represents a new conception of the problem that has an inventive level and is fully applicable.

A short description of the draft

The invention is described in details earlier and shown on drafts as follows:

Picture 1: shows the outline of the machine for packaging sugar in small quantities.

Picture 2: shows the design of the same machine from picture 1 (front appearance)

Detailed description of the invention

On picture 1, the machine for packaging small quantities of sugar according to the invention, comprise steel plate-support I on which construction elements of the machine are tightened with bolts and suitable bearings and are arranged into so called work group for packaging A, work group for sugar B as well as for operation group universal joint drive mechanism 20.

Design for operation line (packaging A) comprises support 1 for paper foil 1b spool 1a, with belonging distant cartridge, pad and nut (picture 2). Beside this support 1, on the support-plate I stretched

rollers

2 and 3 are positioned in reverse. Under stretched roller 3 on the line for packaging A 'V' shaped fork 4 is reversed encircling the slope part of the tube 18 for sugar reception on the line for sugar B. On the straight part of the same tube 18 that is bent and directed in axis of the line for packaging A. Ring 5 is freely pulled over, and serves for forming roller like shape of paper foil 1b during its pass. This way ring 5 is positioned in front of vertical profile rein (bar) 6 and opposite of it is a movable diagonally positioned vertical heater 7. Under this subfit, on the line for packaging A but under the end 18a of mentioned tube 18, is a movable (on axis) rein (bar) 8 and to the opposite of it (and together with it) diagonally movable heater 9 under which the knives for cutting off are placed 11 as well as the circulating rein (bar) 10.

The elements of the line for sugar B comprise reception basket 12, under which the sugar injector's 14 rein (bar) is tightened 13 with movable lever 14a. Passing through drain 17 is placed under the injector 14 continued with slope tube 18, which is, as it was earlier described, bent on the line for packaging A and continued with its straight part to the end 18a. This end 18a of the tube is specially designed and reaches exactly up to the upper line of the last position on the subfit of the horizontal rein (bar) 8 and its heater 9.

The elements for the operation line for universal joint drive mechanism 20 comprise multi legs lever 15a which upper fork 15 is separable hitched with the end of the lever 14a of the injector, while the lever itself 15a through ringed element 15d is hitched with camplate 16 driven through fan belt with Electro motor and belonging snail type low-range gear lever.

Multiarmed lever 15a which is pivotally supported in the bearing 21 located on the support-plate 1 is coupled with its lower end via vertically movable slider 20a of the mechanism 20 to the lower end of the eccentric lever 15b which is connected by a joint to cam 16, whereby it is also coupled via this slider 20a both with movable guide 8 and the heater 9 which is connected to it.

Multi legs lever15a is connected with adjustable connection 15c and with diagonally movable vertical heater 7, above which a spring is placed 15e for conjunction with stretched spring 15f placed on the fork 15 of multi legs lever.

The machine for packaging small quantities of sugar is functioning, in accordance with the invention, as follows: first the preparation is needed for the packaging line A. For this purpose the paper foil 1b spool 1a (with already printed desired design) is placed on the support 1 and with a distant cartridge, pad and nut tightened so that the middle axis of paper foil 1b comes to a specified distance from border (highest) support-plate I.

After leveling out the end of the paper foil 1b that is necessary for preventing deviation from the verticals of formed vertical bag's seam, paper foil 1b is being transferred over the stretched

rollers

2 and 3 while adjusting their distant rings at the same time in order to stretch paper foil 1b in the same line during unwrapping from spool 1a. During preparations for line A the pulling by of the paper foil is continued through fork 4 where paper foil 1b forms in 'V' shape. Paper foil 1b formed this way is placed now, so it partially encircles vertical part of tube 18 when ring 5 is freely (movable) pulled over, as the first part of the paper foil 1b is temporary connected, for example, with transparent tape. Further, it is continued with pulling by the paper foil 1b that is taken a roller shape and which is movable on the vertical axis of the tube 18, through vertical profile rein (bar) 6 and from it vertical heater 7 is moved away on the line A for packaging.

Roller shaped paper foil 1b, prepared this way, is taken manually further over to the end 18a of tube 18 till it arrives between moved away horizontal rein (bar) 8 and its heater 9, which moves around its axis and forms bags of desired length, while at the same time heater 9 welds (glues) the horizontal seam of the bags. To achieve accurate cutting off of the filled bags, formed foil 1b is pulled through ring shaped rein (bar) 10 hitched with knives 11 for cutting.

After this procedure for preparing the line for packaging A, next step is to check its operation with some idle speed. For this purpose

electrical heaters

7 and 9 are turned on, on the control panel 22 (picture 1). After achieving certain temperature the Electro motor with low-range gear lever turns on, while the connection between fork 15 multi legs lever 15a and lever 14a and injector 14 on the sugar line B is turned off. With following rotations of camplatel6 as well as with the effects of hitched

lever

15a and 15b begins axial movement of the horizontal rein (bar) 8, which, at certain rhythm, together with pushed and turned on heater 9 on it, during horizontal seam welding (gluing) of the bag. At the same time a certain length of the paper foil 1b (on which has been, during the previous rhythm, with a help of vertical heater 7, the vertical seam already welded) is being pulled down. It is understood that during this pulling through of the paper foil 1b, tools, like heater 7 and knives 11 remain open, so it will be possible to perform cutting ready bags in the next rhythm while at the same time welding (gluing) the next vertical seam.

In case, during this probationary work with idle speed, you don't get properly formed and welded (glued) bags with desired length, the machine should be turned off for the purpose of preparing the line for sugar B. At this point we need to pour granulated sugar into reception basket 12 and to adjust the injector 14 for the desired quantities of sugar, for example 5g. After this we need to place injector's levers 14a into the fork 15 of the multi legs lever 15a as well as to adjust the numerator on the control panel 22, after which the Electro motor with low-range gear lever is turned on again and the machine starts the work.
During the production the injector's lever 14a moves back and force, in accord with the machine rhythm, during which the sugar from the basket 12 (in desired quantities), through injector 14 passes through into the drain 17 and continues through tube 18 into the bag, on which the horizontal and vertical seams are already formed.

During this rhythm synthesizing the course of sugar and paper foil 1b is performed in the space between the vertical heater 7 and horizontal heater 9 in order to form the upper and final seam of the filled bag in the next rhythm, while at the same time cutting with knives 11 already formed and filled bags, would take place. Formed and filled bags are being collected in the baskets for further packaging.

Ways of industrial or other uses of the invention

The way of use of the invention results from the above text and attached drafts, and is not necessary to describe it here again. All the design and functional features of the machine (invention) were tested on prototype by the inventor.
It is understood, that keeping the same principal solutions, in accordance with the invention, the design details and forms of realization can be changed broadly without deviating from presented invention as defined in the appended claims.

Claims

A machine for packaging small quantities of sugar, intended advantageously for successive hygienic, automatic packaging of granulated sugar into bags of a certain mass and dimensions formed from paper foil (1b), for example, having printed in advance selected pattern, by thermal gluing of the vertical and horizontal seams, which comprise a packaging line (A) assembly and a sugar line (B) assembly and a joint drive mechanism (20) driven by an electromotor having a control panel (22) with instruments set up on it for controlling operation of the machine and a belt transmission, characterized in that the constructive elements of both the packaging line (A) assembly and the sugar line (B) assembly are coupled mutually and fastened i.e. supported on a vertical support-plate (I), whereas the packaging line (A) comprises a spool (1a) support (1) for paper foil (1b) with tensioning rollers (2, 3) correspondingly placed opposite of it, while under one roller (3) is placed a 'V' shaped fork (4) encircling a slope part of a tube (18) of the sugar line (B), and on the tube (18) after its transition to a vertical part coaxial with the packaging line (A) is loosely put on a ring (5) upstream of a vertical profile guide (6) and laterally movable vertical heater (7) placed opposite of it on a multiarmed lever (15a) of said joint drive, whereas under an end (18a) of the tube (18) is placed an axially movable guide (8), and a heater (9) placed opposite of it which is simultaneously laterally movable with it by said multiarmed lever (15a), under these are placed knives (11) for cutting off as well as a circular guide (10), and in that the sugar line (B) comprises a reception basket (12) having a guide (13) attached to it, having an inserted injector (14) with a lever (14a) connected detachably with a fork (15) of the multiarmed lever (15a) of the joint drive (20), whereby under the injector (14) is placed a pass through drain (17) which is connected to the steep slope part of the tube (18) finishing with the end (18a) after its transition to the vertical part.
The machine according to claim 1, characterized in that the joint drive mechanism (20) comprises multiarmed lever (15a) pivotally supported in a bearing (21) mounted on the support-plate (I), and which at its lower end, via a vertical movable slider (20a) connected to the lower end of a supported eccentric lever (15b) which is connected by a joint with a rotatably driven cam (16), laterally drives the movable guide (8) as well as with the heater (9) which are connected with the slider, the cam (16) is coupled with multiarmed lever (15a) at the same time via circular element (15d) which is fixed on it and opposite of the adjustable connection of the multiarmed lever (15a) with laterally movable heater (7) and compression springs (15e) intended for cooperation with stretched tensioning spring (15f) connected to the upper end of the multiarmed lever (15a).
The machine according to claims 1 and 2, characterized in that the spool (1a) support (1) for paper foil (1b) as well as stretched tensioning rollers (2, 3) are equipped with distant cartridges, standard pads and nuts for adjusting the distance between the axis of the paper foil (1b) and the support-plate (I) as well as for adjusting of its tensioning, and in that 'V' shaped fork (4) is adapted for forming the paper foil (1b) into cylindrical shape, and the ring (5) is made with precisely calibrated inner opening for loosely encircling of cylindrically bent paper foil (1b) about the vertical part of the tube (18).
The machine according to claims 1 to 3, characterized in that the vertical part of the tube (18) is made with its end (18a) placed in line of the upper position both of the horizontal guide (8) and its heater (9) in the position which they achieve during their axial movement.