DE7523267U - Device for transporting out and separating skin packs or parts made of thermoplastic plastic film - Google Patents

Description

JU) OLF ILLIG HEILBRONN, JULY 8, 1975 IL

MECHANICAL ENGINEERING /

MAUERSTRASSE 100

DEVICE FOR TRANSPORTING AND SINGING UP SKIN COVERINGS OR PARTS MADE OF THERMOPLASTIC PLASTIC FILM

The innovation relates to a device for transporting out and separating a band of coherent skin deposits or thermoformed articles made of thermoplastic plastic film, consisting of a per se known longitudinal cutter and / or a cross cutter, this being intermittent Moved over the conveyed belt and thereby executes the cross-sections.

Such a device is attached to a skin pack machine or to a thermoforming machine connected downstream; it takes over the removal of the deformed strip and divides it into individual panels, e.g. in individual skin packs, blister hoods, etc.

A device according to this type is, for example, by the utility model 7 345 865 known. It is also known to arrange punching devices on the cross cutter so that besides The cross-sections also include openings such as hanging eyelets Skin packs can be punched.

The disadvantage of this device is that with this arrangement of the punching devices, the distance between the cutting edge and breakthrough must be rcli-tively small. It's on this Way not possible to make a breakthrough in the mid-ώ of a pack to punch what z.E. This is necessary if, in the case of multiple uses, the packaging is transverse for better format utilization are arranged.

Furthermore, it is not possible to work with diarrhea incisions, as there is no space for cross adjustment, among other things is given by individual matrices. For the universal

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However, this is indispensable for the device. To have to therefore punch knife cuts are used, in which a remaining removal of the waste by hand is necessary is. In addition, die cuts require precise adjustment of the lifting devices so that no damage occurs. All punching knives must also be exactly the same Have height.

It was the object of the invention to improve the device so that it is possible even in the middle of packaging or dance out openings in shaped parts and thereby also enable diarrheal incisions to be made.

This is achieved according to the invention by a separate punching station, which consists of a rigid table and a movable one There is an upper bridge, this punching station being displaceable on longitudinal guides synchronously with the cross-cutting station and thus also moves over the deformed strip and carries out the punchings at predetermined positions.

The punching station and cross-cutting station are rigidly but adjustable connected to one another. The latter is required to allow adaptation to different sizes of packaging or molded parts.

The actual punching tools, consisting of punch and die, are at their receptacles at right angles to the direction of passage adjustable and lockable, also for reasons of ponaat adjustment. To do this, the table and the upper Bridge slots in which a stepless adjustment is possible.

In a further development of the invention it is proposed. rubber stamp and to make dies rotatable so that, for example, hanging loops can be punched lengthways or crossways as required.

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For this purpose, the punch and die or their receptacle are provided with a collar, which are in the correspondingly assigned slots are led. It is attached using clamping devices that are supported on the opposite side of the table or cross-bridge.

For simple adjustment of the cutting punch to the die, it is proposed to bring the spring-loaded scraper into an upper position and to be able to lock it there. This is through an insertable pin or bolt possible to support the head of the retaining screw.

An embodiment of the invention is described in more detail with reference to the schematic drawings: It shows:

Flg. 1 shows a longitudinal section through the device.

Fig. 2 shows a cross section through the cross cutter.

3 shows a cross section through the punching station.

4 shows an enlarged longitudinal section. by a punching unit of the punching station.

Fig. 5 shows a cross section through a punching unit

The device according to the invention follows on from a per se known skin packaging machine or a thermoforming machine ^ on. During skin packaging, the box with the objects to be packed is placed on table 2 of this machine hung up. A plastic film pulled from the roll is clamped in the forming station of the machine, heated and then Skin packaging is produced in multiple uses in a manner known per se. These are coherent as Volume 3

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the formation and then separated. The separation is carried out by means of the preliminary according to the invention direction through a known per se length cutter 7 and through the cross cutter 4. This consists of the crossbar 5 to which the upper cutter 6 is attached. Connected to the crossbar 5 are two guide pillars 8, which extend downward through the carrier 9 and are screwed to the plate 10. By a Kniehcfbelantrieb 11, which between the vertically rigid support 9 and the plate 10 engages, the vertical movement of the plate and thus via the guide columns 8, the lifting movement takes place of the cutting knife 6, which, in cooperation with the cutting knife 12, separates the packaging.

A spring-loaded hold-down device is guided on the guide pillars 8, which together with the crossbeam 5 follows moves down, meets a crosspiece of the belt 3 and clamps it while the crossbar 5 with the Cutting knife 6 further lowers and separates the packaging.

The carrier 9 is horizontally displaceable, for which purpose it is guided on guides 14. The horizontal movement takes place for example via a motor 15 which has a sprocket 16 emotional. A chain 18, which is deflected via the chain wheel 31, runs over a chain wheel 30 arranged on the same shaft 17. Both free ends of the chain 18 are hinged to the carrier 9. By alternating left and right rotation of the motor 15, the back and forth movement of the cross cutter 4 takes place.

According to the invention there is a separate upstream of the cross cutter 4 Punching station 29 arranged. Sxe is constructed similarly to the cross cutter 4 and has a table 32, in are guided by the guide pillars J3. These guide columns 33 are up through the cross bridge 34, down through the Web 35 connected. Between the web 35 and table 32 engages

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a cylinder 36, so that by lowering the Web 35 on the guide columns 33 a lowering of the Cross bridge 34 is reached.

The entire punching station 29 can be guided horizontally on guides 37, which may be identical to the guides 14, moved will. The table 32 is connected to the carrier 3 via a rod 38, the distance being a certain Range can be adjusted continuously. This is possible, for example, in that the rod 38 has a thread.

The table 32 has a slot 39 transverse to the direction of passage. The dies 40 with the collar 51 are used in it and screwed to a sleeve 41 which has a collar 42.

On the opposite side, the cutting punches 43 are attached to the receptacle 44, the receptacles 44 are with the collar guided in the slot 46 of the transverse bridge 34. The receptacles 44 are fastened by means of screws 47.

A stripper 48 is spring-mounted around the cutting punch 43. It is held in place by screws 49. Compression springs 50 ensure safe stripping,

In a further development of the invention, it is proposed that the collar 51 of the die 40 and the collar 45 of the socket 44 be designed in such a way that a rotation of the receptacle 44 and the die 40 is possible. This is the case when the collar 45, 51 is made round or square, for example.

Another improvement is that the stripper from 48 in its upper position - shown on the right in Fig. 5 - can be locked. A pin 52 is used for this , which can be pressed in by hand and supports the head 53 of the screw 49. In this way the setting is the

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Cutting punch 43 for the associated dies 4G at the adjuster easy to do.

A conveyor belt 19 takes over the support of the belt 3 and the outward transport of the separated packages. It runs over rollers 20, 21, 22 and 23 as well as in the area of the cross cutter 4 through guide rollers 24, 25, 26, 27 under the carrier 9. The conveyor belt 19 is driven also from the motor 15, although uixd via a freewheel 28.

If the cross cutter 4 moves to the right with the cross beam 5 lowered, thereby clamping the tape 3, takes he dia punching station 29 with. After the adjustable transport stroke has taken place, the cross cutter 4 and the punching station move 29 after opening the cross cutter 4 step by step against the direction of travel of the belt 3 and lead several cross-sections or punchings according to the format division durchν During this movement of the cross cutter 4 and the punching station 29, the conveyor belt 19 comes to a standstill.

After the last cross-section, the cross bar 5 remains down, so that the clamped band 3 is pulled further by one feed length can be.

The way in which the device works has been described in connection with the manufacture of skin packs. But it is just as possible e.g. to produce blisters or other articles from thermoplastic plastic film by placing a corresponding shape is attached. The deformed band 3 is then processed in exactly the same way by the longitudinal cutter 7 and the cross cutter 4 divided into individual parts and transported out by the conveyor belt 19.

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It is also possible not to arrange the punching station 29 in front of the longitudinal cutter 7 as shown, but instead
between the longitudinal cutter 7 and the cross cutter 4. The embodiment shown is suitable for subsequent deliveries, in which case bands 54, 55 with weights 53, 57 can be used to support the band 3.

In the embodiment not shown, the conveyor belt would be 19 also carried out analogously to the cross-cutting station 4 under the table 32, including four deflecting rollers would be arranged.

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Claims (3)

) t * ■ It III »···> ■ s> i · ι fc t t ADOLF ILLIG 7100 HEILBRONN A.N. MASCHINENBAU MAUERSTRASSE 100 8 JULY 1975 PROTECTION CLAIMS 1) Device for separating a band from coherent skin packaging or from thermoplastic plastic film deep-drawn articles, with a long cutter and / or a cross cutter with a hold-down device (13) for clamping and taking the band with it during its transport movement, with the cross cutter after moves intermittently along the belt against the direction of travel and executes the cross-sections at predetermined, adjustable positions, characterized by a punching station (29) which can be adjusted to this with the cross cutter (4) via rods (38) is connected, consisting of a table (32) for receiving the matrices (40) and a vertically movable cross bridge (34) on which the cutting punches (43) are arranged as well as aps devices (11) for relative movement between table (32) and cross bridge ( 34). 2) Device according to claim 1, characterized in that the dies (40) and the punches (43) in slots (39, 46) are displaceable transversely to the direction of travel of the belt (3) and are arranged to be rotatable in the slots (39, 46), in that they or their receptacle are equipped with a collar (42, 45) with a round or square cross-section. 3) Device according to one of claims 1 or 2, characterized by indentable pins (523 in the receptacle (44) with which the scraper (48) in an upper This position can be locked in that these pins (52) support the head (53) 4 screw (49). 7523287 UH 75