WO1997014338A1 - Vorrichtung zum schlitzen des zwischensteges von bandartigen, mit getaschten federn bestückten elementen als zwischenprodukt für die herstellung von taschenfederkernen - Google Patents
Vorrichtung zum schlitzen des zwischensteges von bandartigen, mit getaschten federn bestückten elementen als zwischenprodukt für die herstellung von taschenfederkernen Download PDFInfo
- Publication number
- WO1997014338A1 WO1997014338A1 PCT/DE1996/000488 DE9600488W WO9714338A1 WO 1997014338 A1 WO1997014338 A1 WO 1997014338A1 DE 9600488 W DE9600488 W DE 9600488W WO 9714338 A1 WO9714338 A1 WO 9714338A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- web
- impellers
- slitting
- band
- slotting
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B68—SADDLERY; UPHOLSTERY
- B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
- B68G9/00—Placing upholstery springs in pockets; Fitting springs in upholstery
Definitions
- the invention relates to a device for slitting the intermediate web of band-like elements fitted with pocketed springs as an intermediate product for the manufacture of pocket spring cores for mattresses, the band-like elements in the web region — perpendicular to their longitudinal course — having two welding zones, between which there is a shielding device Slit is to be formed, the band-like element being positioned in the correct position in front of the slitting device by means of a transport device.
- Slotted band-like elements for producing pocket spring cores are known, for example, from WO 92/03077.
- the arrangement of such slots in the corresponding band-like elements is relatively complex, since precise positioning is required.
- the device should be user-friendly and low-maintenance. Furthermore, one should
- the invention proposes that the transport device consists of two
- impellers one of which is rotatably supported in front of and behind the Schiitzvorraum, the axis of rotation of which runs parallel to the longitudinal axis of the coil-spring-shaped, pocketed springs, and which can be rotated synchronously and in cycles.
- impellers as transport elements creates a structurally simple solution that is easy to install and also requires little maintenance.
- the advantage of the arrangement of impellers is that there is little danger for the operator when tampering with the device that he is injured or jammed on elements of the transport device.
- the fact that an impeller is arranged in front of and an impeller behind the slitting device ensures that the cyclical actuation of the impellers each ensures an exact positioning of the slitting Available standing web area is possible, wherein the vane wheels also form a backing for the band-like element, so that it cannot be warped in the longitudinal direction by the slot device.
- the contour between two adjacent flights in the impellers is adapted to the contour of the spring to be detected
- the wings have at least at their ends a thickness which corresponds approximately to the web width of the web to be slit, and the length of the wings approximately that corresponds to half the diameter of the pocketed springs.
- the impellers can be rotated in cycles so that at standstill one wing is aligned orthogonally to the web of the band-like element and abuts against it, in which position the slitting of a web located between the impellers, in particular centrally between them, takes place .
- This design ensures a particularly secure hold of the band-like element in the slitting position, since obstacles are formed by the webs, which prevent the band-like element from warping in the longitudinal direction when slitting. It is also preferably provided that one of the impellers is rotatable by means of a drive device and the other impeller is coupled to the driven impeller via a belt drive, preferably via a toothed belt.
- a preferably pneumatically operable knife is arranged as a slitting device between the impellers, by means of which the slitting of a web area to be slit located centrally between the impellers takes place.
- Figure 1 shows a device according to the invention in plan view.
- Fig. 2 likewise in side view
- Fig. 4 shows the detail in side view
- a device for slitting the intermediate web 1 of band-like elements 2 equipped with pocket springs is shown as intermediate products for the production of pocket spring cores for mattresses.
- the band-like elements 2 have, in the web area 1, directed transversely to their longitudinal course, two welding zones, between which a slot is to be formed by means of a slot device 3.
- the band-like element 2 is to be positioned in the correct position in front of the slot device 3 by means of a transport device 4.
- the direction of the belt-like element is indicated by arrow 5.
- the direction of rotation of the conveying elements described later in more detail is also with
- the band-like elements 2 are either fed directly after the embossing and welding of the springs in the band-like element or the device shown according to the invention can also be arranged as a separate component, the band-like element 2 then being obtained from a stack of stock or the like is deducted.
- the transport device 4 consists of two impellers 7, of which in the transport direction 5 in front of and behind the
- Slot device 3 is rotatably supported.
- the axis of rotation 8 runs parallel to the longitudinal axis of the coil spring-shaped pocketed springs.
- the impellers can be rotated synchronously and in cycles with the slot device 3 by means of a suitable drive device.
- the contour between two adjacent flights 9 of the impellers 7 is in each case at least approximately that Adjusted contour of the pocketed springs to be detected of the band-like element 2.
- the wings 10 have a thickness at their ends 10 which corresponds approximately to the web width of the web 1.
- the length of the wings 9 corresponds to approximately half the diameter of the pocketed springs. In this way, exact guidance and exact positioning of the band-like element 2 is possible.
- the impellers 7 are preferably rotatable in cycles such that when the standstill is shown, for example in FIG. In this position, the slitting takes place by means of the slitting device 3 of a web 1 which is preferably located centrally between the impellers 7 and between these.
- one of the impellers 7 can be rotated by means of a drive device 11, while the other impeller 7 is positively coupled to the driven impeller 7 via a belt drive 12.
- the impeller 7 can have the blades in such a way that two blade-like elements are arranged at the axial distance from one another in the same orientation to one another on the axis of rotation 8 of the impeller. This is particularly advantageous when, as is often the case, the pocketed springs are barrel-shaped, so that the two-winged
- a pneumatically actuable knife 13 is arranged as a slitting device between the impellers 7, 8, by means of which a web 1 located centrally between the impellers 7 can be slit.
- the device operates as follows.
- the band-like element is first pocketed with relatively horizontally oriented ones
- the band-like element 2 is cyclically requested from web to web in such a way that a web area is arranged in the area of the knives 13 and can be slit by means of the knives.
- the design and arrangement of the impellers ensures that the web area is exactly centered in front of the knives 13, so that the slitting can take place in the area between the two parallel welds of the web area 1.
- the slotted band-like elements 2 are then transported away in the drawing figures 1 and 2 on the right.
- the slotted band-like element can then be fed to a buffer store or the like or can be processed immediately.
- the invention is not limited to the exemplary embodiment, but is often variable within the scope of the disclosure.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Springs (AREA)
- Wire Processing (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59610770T DE59610770D1 (de) | 1995-10-14 | 1996-03-16 | Vorrichtung zum schlitzen des zwischensteges von bandartigen, mit getaschten federn bestückten elementen als zwischenprodukt für die herstellung von taschenfederkernen |
EP96909009A EP1026977B1 (de) | 1995-10-14 | 1996-03-16 | Vorrichtung zum schlitzen des zwischensteges von bandartigen, mit getaschten federn bestückten elementen als zwischenprodukt für die herstellung von taschenfederkernen |
AU52689/96A AU5268996A (en) | 1995-10-14 | 1996-03-16 | Device for slotting the intermediate web of strip-like components fitted with boxed springs as an intermediate product for the production of box-spring cores |
AT96909009T ATE251408T1 (de) | 1995-10-14 | 1996-03-16 | Vorrichtung zum schlitzen des zwischensteges von bandartigen, mit getaschten federn bestückten elementen als zwischenprodukt für die herstellung von taschenfederkernen |
DE19680885T DE19680885D2 (de) | 1995-10-14 | 1996-03-16 | Vorrichtung zum Schlitzen des Zwischensteges von bandartigen, mit getaschten Federn bestückten Elementen als Zwischenprodukt für die Herstellung von Taschenfederkernen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19538327A DE19538327A1 (de) | 1995-10-14 | 1995-10-14 | Vorrichtung zum Schlitzen des Zwischensteges von bandartigen, mit getaschten Federn bestückten Elementen als Zwischenprodukt für die Herstellung von Taschenfederkernen |
DE19538327.3 | 1995-10-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997014338A1 true WO1997014338A1 (de) | 1997-04-24 |
Family
ID=7774887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1996/000488 WO1997014338A1 (de) | 1995-10-14 | 1996-03-16 | Vorrichtung zum schlitzen des zwischensteges von bandartigen, mit getaschten federn bestückten elementen als zwischenprodukt für die herstellung von taschenfederkernen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1026977B1 (de) |
AT (1) | ATE251408T1 (de) |
AU (1) | AU5268996A (de) |
DE (3) | DE19538327A1 (de) |
WO (1) | WO1997014338A1 (de) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992003077A1 (de) * | 1990-08-22 | 1992-03-05 | Schlaraffia-Werke Hüser Gmbh. & Co. Kg. | Taschenfederkern |
DE9416121U1 (de) * | 1994-10-06 | 1994-12-01 | Recticel International Dev Cen | Vorrichtung zur Herstellung eines Taschenfederkernes |
-
1995
- 1995-10-14 DE DE19538327A patent/DE19538327A1/de not_active Withdrawn
-
1996
- 1996-03-16 EP EP96909009A patent/EP1026977B1/de not_active Expired - Lifetime
- 1996-03-16 AT AT96909009T patent/ATE251408T1/de not_active IP Right Cessation
- 1996-03-16 AU AU52689/96A patent/AU5268996A/en not_active Abandoned
- 1996-03-16 DE DE59610770T patent/DE59610770D1/de not_active Expired - Lifetime
- 1996-03-16 DE DE19680885T patent/DE19680885D2/de not_active Ceased
- 1996-03-16 WO PCT/DE1996/000488 patent/WO1997014338A1/de active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992003077A1 (de) * | 1990-08-22 | 1992-03-05 | Schlaraffia-Werke Hüser Gmbh. & Co. Kg. | Taschenfederkern |
DE9416121U1 (de) * | 1994-10-06 | 1994-12-01 | Recticel International Dev Cen | Vorrichtung zur Herstellung eines Taschenfederkernes |
Also Published As
Publication number | Publication date |
---|---|
ATE251408T1 (de) | 2003-10-15 |
DE19680885D2 (de) | 1999-06-17 |
AU5268996A (en) | 1997-05-07 |
DE19538327A1 (de) | 1997-04-17 |
EP1026977B1 (de) | 2003-10-08 |
EP1026977A1 (de) | 2000-08-16 |
DE59610770D1 (de) | 2003-11-13 |
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