DE19938418C1 - Plant separating, folding and packing pleated filter papers, uses prefolder followed by pleating unit with various transfer units terminating by stacking of folded filter paper in magazine - Google Patents

Abstract

A prefolder (4) starts the process. Pre-folded filters are transferred by a belt to a folding unit (12). A swinging grip hands over the folded filter, placing it in a bandolier in a magazine. To move the magazine horizontally, a spindle drive (17) is provided. A stuffer plunger (22) transfers the folded filter into the magazine, simultaneously transferring a complete set of folded filters. The magazine can be moved. A compression plunger operates inside it. A further stuffer plunger (23) operates in the final position. Preferred features: Near the belt there are one or more interception rollers and stoppers. The belt preferably comprises two belts. Above the first hold-down devices are positioned. The bandolier is horizontal, rotates about 180 deg and can be translated.

Description

State of the art

According to DE 35 05 854 A1, a method and a device are known with which ge curved corrugated profiles, especially for axial filters, can be produced. With the effect brought folding knives are successively circular segment-like folds made in their sum give the axial filter. The one for the entire process up to packaging Required operations cannot be carried out with this method, so this Procedure for realizing the task is unsuitable.

According to the published patent application DE 31 43 826 A1, a method and a device are described described for folding paper sheets. Then put in a sheet of paper, the moves forward in a single plane, first a first fold in shaped the middle of the arch. Subsequent fold pairs are consecutive, each because one on each side of the previously formed folds, formed until the entire continuous orally moved sheet is folded. Guide wires hold each folded section in place until the folded sheet was taken over by holding and refolding elements. The folds lie parallel to each other and to two cut edges of the initial sheet. For o. g. This procedure is also not suitable for tasks.

The published patent application DE 34 11 740 A1 describes a device for machine manufacturing described an oblique fold at the beginning of a continuous paper web. This Device is for folding several consecutive oblique folds as they are are required after the given task, not suitable.

Aim of the invention

The invention has for its object to provide a method and an apparatus fen, with which it is possible to wedge from paper blanks, which are preferably present in the stack to produce shaped pleated filters and this in the further course of the process with the inventor to further process device according to the invention so that in the last process stage Pleated filters are provided in the packaging unit.

Solution of the technical problem

The technical problem is solved according to the invention in that, in the first process step, the round stack ( 21 ) presented on a table top ( 2 ) is separated via a device for separating and prefolding ( 4 ) as a filter round ( 5 ) and folded transversely onto a conveyor belt ( 6 ) are stored, which inputs the prefolded filter ( 7 ) for the second method step into a folding tool ( 12 ). In the third method step, the pre-folded filter ( 7 ) is folded into the folded filter ( 13 ) in the folding tool ( 12 ). In the fourth process step, the folded filter ( 13 ) is removed from the folding tool ( 12 ) and transferred to a plug magazine ( 16 ) via a swivel gripper ( 14 ) and a plug-in belt ( 15 ). If the plug-in magazine ( 16 ) is filled, the fifth step of the procedure is to transfer it to a stuffing magazine ( 18 ), compressing and refolding the folded filter ( 13 ) and the filter in the plug-in magazine ( 16 ) to the horizontal length of the folding box ( 19 ) are brought. In the subsequent sixth process step, the compressed filters are conveyed out of the stuffing magazine ( 18 ) into the provided folding box ( 19 ) and then the filled packaging unit is dispensed.

To implement the method according to the invention, the active mechanisms are arranged on a frame ( 1 ) in such a way that an automatic process sequence from the filter disc ( 5 ) to the formation of folds and packaging can be implemented.

A device for separating and prefolding the filters ( 4 ) is arranged on a frame ( 1 ) in such a way that the round stack ( 21 ) provided on the table top ( 2 ) separates into individual filter blanks ( 5 ) and folds into prefolded filters ( 7 ). processed, with a catch roller ( 8 ) ensuring the safe transfer to a conveyor belt ( 6 ) and the filter discs ( 5 ) individually and semicircularly folded, leaving the device for singling and pre-folding the filter ( 4 ). For further transport of the pre-folded filter ( 7 ) are preferably arranged on both sides above the conveyor belt ( 6 ) hold-down device ( 9 ) that in the resulting gap a safe transport and thus a safe taking of the pre-folded filter ( 7 ) by the conveyor belt ( 6 ) he follows. The conveyor belt ( 6 ) is preferably designed as a divided conveyor belt, with stoppers ( 10 ) for alignment and technologically required provision for the folding tool ( 12 ) preferably being arranged in the intermediate space. The conveyor belt ( 6 ) conveys the pre-folded filter ( 7 ) into the folding tool ( 12 ), with 2 stoppers ( 10 ) being arranged for safe transfer. In the folding tool ( 12 ), which is preferably provided with blows ( 11 ), the prefolded filters ( 7 ) are processed in a wedge shape to form the folded filter ( 13 ). When the folding process has ended, the folded filter ( 13 ) is removed from the folding tool ( 12 ) via a swivel gripper ( 14 ) and transferred to a belt on another table top ( 3 ) for transfer, refolding and insertion ( 15 ). With this tape for the transfer, refolding and inserting ( 15 ), the folded filter ( 13 ) is transferred to a plug-in magazine ( 16 ) in such a way that a folded filter ( 13 ) with the tip and the following one with its back into it Plug magazine ( 16 ) are promoted. For this purpose, the tape for takeover, refolding and inserting ( 15 ) is arranged to be pivotable through 180 °. The plug-in magazine ( 16 ) is moved horizontally via a spindle drive ( 17 ) in order to make it possible to properly fill the compartments of the plug-in magazine ( 16 ). If the plug-in magazine ( 16 ) is filled, it is moved horizontally into the working area of the stuffing magazine ( 18 ). The folded filters ( 13 ) located in the plug-in magazine ( 16 ) are ejected with a stuffing stamp ( 22 ) and transferred to the stuffing magazine ( 18 ). Here, the folded filters ( 13 ) are compressed in such a way that the resulting filter pack is designed in its dimensions so that it can be transferred to a folding box ( 19 ). For this purpose, a compression of the filter package to the format of the folding box is achieved via the compression stamp ( 25 ). For this purpose, the stuffing magazine ( 18 ) is moved horizontally up to a stop ( 24 ). The compressed filter package from the stuffing magazine ( 18 ) is inserted into the folding box ( 19 ) via a stuffing stamp ( 23 ). An output station ( 20 ) is arranged for the output of the filled folding box ( 19 ).

field of use

The invention is used for the automatic production of wedge-shaped folds filter from the round blank to delivery as shipping packaging. In addition to the application for Manufacture of paper filters is also an application for suitable flexible slack Fabrics possible.

Embodiment

The method according to the invention and the device for carrying out the method are to be explained in more detail below using an exemplary embodiment.

Show this

Fig. 1 - the device according to the invention in plan view with the arrangement of the function groups to implement the method and

Fig. 2 - the device according to the invention in side view.

In the first process step, the filter blanks 5 are separated and folded transversely, entered in a folding tool 12 in the second process step and folded in a radial manner in the third process step, then removed from the folding tool 12 in the fourth process step and transferred to a plug-in magazine 16 , the plug-in magazine 16 being filled in the process and then in the fifth process step in a stuffing magazin zin 18 , compressed with a compression stamp 25 and in the sixth process step, the compressed filters are conveyed into the provided folding boxes 19 . The device according to the invention for carrying out the method consists of a frame 1 on which the active mechanisms are arranged such that a continuous process flow from the separation, through the formation of folds, to the packaging can be realized. For separating and prefolding the filter blanks 5 , a pre-folding unit 4 is arranged in such a way that the blank stack 21 provided on a table top 2 is separated into individual filter rounds 5 and the individual filed round plates 5 are processed into pre-folded filter 7 via arranged folding mechanisms. For safe transfer to a trans port belt 6 , one or more catch rollers 8 can preferably be arranged. Hold-down devices 9 are preferably arranged for safe further transport of the prefolded filters 7 . Through the conveyor belt 6 , the pre-folded filter 7 in a folding tool 12 is conveyed, wherein one or more stoppers 10 are preferably arranged for safe transfer. In the folding tool 12 , the pre-folded filters 7 are folded in a wedge shape to the folded filter 13 by the arranged folding elements. To transfer the ge folded filter 13 , a swivel gripper 14 is arranged, which realizes the transfer into a plug-in belt 15 , with the folded filter 13 being transferred to an arranged plug-in magazine 16 . The plug-in tape 15 is designed so that it can realize a horizontal rotary movement of 180 ° and a pushing movement, which makes it possible to pass a folded filter 13 with the tip and the following with the back of the plug-in magazine 16 . A spindle drive 17 is preferably arranged for the horizontally clocked movability of the plug-in magazin interest 16 . After the insertion of the pleated filter 13 in the plug-in magazine 16 has ended, this is moved horizontally by the arranged spindle drive 17 . An arranged stuffing stamp 22 passes the folded filter 13 located in the plug-in magazine 16 to a stuffing magazine 18 for compressing the folded filter 13 with a compression stamp 25 to form a filter pack. After compacting, the stuffing magazine 18 is moved horizontally up to the stop 24 . In this position, a further arranged tamping punch 23 is brought into effect, which pushes the compressed filter pack out of the tamping magazine 18 and enters it into the provided folding box 19 . For the output of the filled folding boxes 19 , an output station 20 can be arranged.

Reference list

1

frame

2nd

Table top

3rd

Table top

4th

Pre-folding unit

5

Filter disc

6

Conveyor belt

7

prefolded filters

8th

Catch roll

9

Hold-down

10th

stopper

11

attacks

12th

Folding tool

13

pleated filter

14

Swivel gripper

15

Plug-in tape

16

Plug-in magazine

17th

Spindle drive

18th

Darning magazine

19th

Folding box

20th

Dispensing station

21

Disc stack

22

Darning stamp

23

Darning stamp

24th

attack

25th

Compression stamp

Claims (6)

1. A method for the automatic separation, folding and packaging of radial filters, filter blanks being presented in a stack, characterized in that the filter blanks ( 5 ) are folded transversely in the first step, entered in a folding tool ( 12 ) in the second step and in the third step The process step is folded in a radiating manner, then removed from the folding tool ( 12 ) in the fourth process step and transferred to a plug-in magazine ( 16 ), the plug-in magazine ( 16 ) being filled and then transferred to a stuffing magazine ( 18 ) in the fifth process step and compressed and in the sixth Process step, the compressed filter in be provided folding boxes ( 19 ) are promoted. 2. Device for performing the method according to claim 1, characterized in that for separating and prefolding the filter discs ( 5 ) a Vorfaltein device ( 4 ) is arranged at the start of the process and the prefolded filter ( 7 ) with an arranged conveyor belt ( 6 ) one folding tool (12) is passed, for transferring the folded filter (13) a pivoting gripper (14) is arranged, which the transfer of the folded filter (13) in a located outside of the folding tool (12) plug-in belt (15) in a valve disposed plug magazine ( 16 ) realized, wherein a spindle drive ( 17 ) is arranged for the movement of the plug-in magazine ( 16 ) in the horizontal direction, for the transfer of the folded filter ( 13 ) into the arranged stuffing magazine ( 18 ) a stuffing stamp ( 22 ) is arranged so that he passes the total number of folded filters ( 13 ) to the stuffing magazine ( 18 ) at the same time, the stuffing magazine ( 18 ) being movably arranged and in the St Opfmagazin ( 18 ) a compression stamp ( 25 ) and in the end position another stuffing stamp ( 23 ) is arranged. 3. Device according to claim 2, characterized in that one or more catch rollers ( 8 ) are arranged in the region of the transport belt ( 6 ). 4. Apparatus according to claim 2 and 3, characterized in that one or more stoppers ( 10 ) are arranged in the region of the conveyor belt ( 6 ). 5. The device according to claim 2 and 4, characterized in that the conveyor belt ( 6 ) is preferably arranged divided into two belts and above each of these conveyor belts ( 6 ) hold-down ( 9 ) are attached. 6. The device according to claim 2 to 5, characterized in that the plug-in tape ( 15 ) is arranged horizontally, preferably rotatable and displaceable by 180 °.