EP0516625A1 - Schneidvorrichtung für eine entdrahtungsmaschine. - Google Patents
Schneidvorrichtung für eine entdrahtungsmaschine.Info
- Publication number
- EP0516625A1 EP0516625A1 EP91900163A EP91900163A EP0516625A1 EP 0516625 A1 EP0516625 A1 EP 0516625A1 EP 91900163 A EP91900163 A EP 91900163A EP 91900163 A EP91900163 A EP 91900163A EP 0516625 A1 EP0516625 A1 EP 0516625A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting
- cutting device
- teeth
- receiving pockets
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 58
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/0025—Removing or cutting binding material, e.g. straps or bands
Definitions
- the invention relates to a cutting device for a wire removal machine for severing the tying wires of bales, in particular Zel 1 fabric balls, with two elongated knives which can be pushed back and forth relative to one another and on their cutting sides with one row of teeth each at regular intervals teeth arranged one behind the other are provided which have an undercut on their flanks lying at the front in the cutting direction.
- Such a cutting device is used, for example, in a wire removal machine, as is known from DE-PS 37 07 966.
- the cutting device is combined with a gripping device which, after severing the wires, brings them into a predetermined position in which they can be reliably gripped by a winding device.
- the invention has for its object to develop the known cutting device in that the Cutting time can be precisely defined in order to ensure that the gripping device already reliably holds the tying wires before they are severed by the cutting device.
- this object is achieved in that the front flanks of the teeth each have a receiving pocket for at least one lacing wire at their lower ends in the region of the tooth base, that the rear ends of the receiving pockets are designed as a cutting edge and that the front flanks of the teeth in their section between the tooth head and the receiving pocket are designed as blunt sliding edges.
- the tying wires to be severed are drawn from the blunt sliding edges towards the tooth feet into the receiving pockets.
- the process of severing the tying wires drawn into the receiving pockets only begins when the cutting edges, which are formed at the ends of the receiving pockets located in the cutting direction, have approached one another to such an extent that their distance is less than a wire diameter is.
- the beginning of the cutting process can thus be precisely defined in the cutting device according to the invention and can be matched to the work steps of a gripping device which interacts with the cutting device.
- the receiving pockets are preferably made higher than the diameter of the wire to be cut so that it can be completely drawn into the respective receiving pocket.
- the receiving pockets should be deeper than half the diameter of the wire to be cut so that two opposing receiving pockets see can completely enclose the respective wire.
- the ends of the receiving pocket which are designed as cutting edges, can be arcuate, preferably semicircular.
- the ends of the receiving pockets which are designed as cutting edges, extend over their entire height, so that a flawless and reliable cut can be made.
- the cutting edges can be formed by an undercut.
- the receiving pockets are preferably on all
- Teeth of the cutter bar provided so that even
- Lacing wires in the most extreme positions can be reliably detected and cut by the cutting device according to the invention.
- bevels are preferably formed, which extend from the highest point of the respective tooth lying in the extension of the front flanks at an angle to the side of the tooth feet.
- FIG. 2 is a view of a section of a knife from FIG. 1 in the direction of arrows II-II,
- FIG. 4 shows a schematic representation of a detail from the side view of the cutting device, in which the teeth are in the starting position for receiving a wire
- Fig. 5 shows the same section as Fig. 4 with a
- Knife position in which the wire is already pulled a bit between the teeth
- FIG. 4 shows the same detail as FIG. 4 with a knife position in which the wire to be cut is located inside a receiving pocket
- the cutting device consists of a cutter bar 1, which, with the aid of screws 2, is attached to a machine frame which is only shown in part. 3 is attached.
- the cutter bar 1 consists essentially of a holder 4, which has a U-shaped cross section, and two elongated knives 5 and 6, which are guided in a longitudinally displaceable manner between the legs 7 and 8 of the U-shaped holder 4 1. To improve the sliding properties between the legs 7 and 8 of the U-shaped bracket and the two knives 5 and 6 bearing metal strips 9 and 10 are provided.
- a plurality of screws 11 are arranged distributed over the length of the knife bar 1, which extend through the two legs 7 and 8 of the U-shaped holder 4 and the knives 5 and 6 and at their threaded end 12 are provided with a lock nut 13.
- the play between the two knives 5 and 6 can be adjusted precisely or adjusted when the knife bar 1 is worn or deformed.
- the two knives 5 and 6 are provided in the area of the screws 11 with elongated holes 14 and 15, which are at least as long as the intended strokes of the two knives 5 and 6.
- lifting cylinders (not shown in the drawing) can be provided, for example.
- both knives 5 and 6 are moved relative to the U-shaped holder over the same distance in opposite directions to one another. But there is also the possibility that one of the two knives is fixed and only the other is driven.
- Both knives 5 and 6 have teeth 16 and 17 arranged one behind the other on their cutting sides at uniform intervals, the front flanks 18 and 19 of which, at an angle to one another, pass past one another like scissors be performed.
- the front tooth flanks 18 and 19 extend from the tooth head 20 in the respective plane of the knife with a corresponding undercut obliquely to the rear, so that when the knives are actuated, the cooperating front flanks 18 and 19 of the teeth 16 and 17 initially lie in the area of the tooth heads 20 touch, while the other areas of the front flanks 18 and 19 only come into contact with one another when the knives 5 and 6 move further.
- the interacting front flanks 18 and 19 of the teeth 16 and 17 each have a receiving pocket 21 and 22 at their lower ends in the region of the respective tooth base, which extends back a bit from the respective front flank 18 and 19.
- the receiving pockets 21 and 22 are higher than the diameter of a wire 23 to be cut and deeper than half the diameter of the wire.
- the rear ends of the receiving pockets 21 and 22 in the cutting direction are designed as cutting edges 24, which are created by applying a relief grinding 25.
- the front flanks 18 and 19 of the teeth 16 and 17 are formed as blunt sliding edges. Due to this construction feature, the strapping wires can only be severed in the area of the receiving pockets 21 and 22 with the aid of the cutting edges 24, while the blunt flanks 18 and 19 only serve to grip the strapping wires to be severed and in 1 direction to the receiving pockets 21 and 22.
- bevels 28 are formed which extend from the highest point of the respective tooth 16 and 17 lying in 5 extension of the front flanks 18 and 19 at an angle in the direction of the Extend tooth feet.
- FIGS. 4 to 7 show some relative positions of the knives 5 and 6 with respect to one another.
- the respective wire 23 is enclosed by the two front flanks 18 and 19 of two interacting teeth 16 and 17. Since the flanks 18 and 19 are blunt, the wire 23 cannot be severed in the region of the g ⁇ flanks, but is drawn in the direction of the receiving pockets 21 and 22.
- Fig. 6 a completely closed area 27, so that the wire 23 comes to lie exactly between the cutting edges 24.
Landscapes
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
- Electroluminescent Light Sources (AREA)
- Electrodes Of Semiconductors (AREA)
- Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Details Of Cutting Devices (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Shearing Machines (AREA)
- Control Of Velocity Or Acceleration (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Threshing Machine Elements (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4005964 | 1990-02-26 | ||
DE4005964A DE4005964A1 (de) | 1990-02-26 | 1990-02-26 | Schneidvorrichtung fuer eine entdrahtungsmaschine |
PCT/DE1990/000964 WO1991012995A1 (de) | 1990-02-26 | 1990-12-13 | Schneidvorrichtung für eine entdrahtungsmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0516625A1 true EP0516625A1 (de) | 1992-12-09 |
EP0516625B1 EP0516625B1 (de) | 1994-06-01 |
Family
ID=6400959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91900163A Expired - Lifetime EP0516625B1 (de) | 1990-02-26 | 1990-12-13 | Schneidvorrichtung für eine entdrahtungsmaschine |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0516625B1 (de) |
JP (1) | JP2946428B2 (de) |
AT (1) | ATE106341T1 (de) |
CA (1) | CA2072621C (de) |
DE (2) | DE4005964A1 (de) |
DK (1) | DK0516625T3 (de) |
FI (1) | FI91734C (de) |
WO (1) | WO1991012995A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE467822B (sv) * | 1991-02-07 | 1992-09-21 | Sunds Defibrator Ind Ab | En anordning foer avtraadning av balar daer tvaa koncentriska roerformiga element med tvaergaaende slitsar samverkar foer avklippning och upplindning av traadarna |
SE9703609D0 (sv) | 1997-10-03 | 1997-10-03 | Andersson Olof | Avtrådningsapparat |
CN103803132B (zh) * | 2014-01-16 | 2015-11-25 | 宁波大学 | 一种多功能微孔板快速封膜装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2816912C2 (de) * | 1978-04-19 | 1980-04-03 | B+G-Foerdertechnik Gmbh, 5350 Euskirchen | Schneidvorrichtung zum Durchtrennen von Verschnürungen |
DE3411030A1 (de) * | 1984-03-24 | 1985-09-26 | Alfons 8301 Eggmühl Holmer | Ballendrahtschneider |
DE3707966A1 (de) * | 1987-03-12 | 1988-09-22 | B & G Foerdertechnik Gmbh | Entdrahtungsmaschine |
BR8807738A (pt) * | 1988-07-05 | 1990-08-07 | Voith Gmbh J M | Dispositivo para remocao de voltas cortadas de uma amarracao de um fardo prensado |
SE8902643D0 (sv) * | 1989-08-02 | 1989-08-02 | Sunds Defibrator | Anordning foer avtraadning av balar |
-
1990
- 1990-02-26 DE DE4005964A patent/DE4005964A1/de active Granted
- 1990-12-13 DE DE59005969T patent/DE59005969D1/de not_active Expired - Fee Related
- 1990-12-13 CA CA002072621A patent/CA2072621C/en not_active Expired - Fee Related
- 1990-12-13 AT AT91900163T patent/ATE106341T1/de not_active IP Right Cessation
- 1990-12-13 WO PCT/DE1990/000964 patent/WO1991012995A1/de active IP Right Grant
- 1990-12-13 EP EP91900163A patent/EP0516625B1/de not_active Expired - Lifetime
- 1990-12-13 DK DK91900163.6T patent/DK0516625T3/da active
- 1990-12-13 JP JP3500929A patent/JP2946428B2/ja not_active Expired - Lifetime
-
1992
- 1992-05-22 FI FI922357A patent/FI91734C/fi active
Non-Patent Citations (1)
Title |
---|
See references of WO9112995A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPH05504317A (ja) | 1993-07-08 |
CA2072621A1 (en) | 1991-09-05 |
JP2946428B2 (ja) | 1999-09-06 |
FI91734B (fi) | 1994-04-29 |
ATE106341T1 (de) | 1994-06-15 |
FI922357A (fi) | 1992-05-22 |
DE59005969D1 (de) | 1994-07-07 |
FI91734C (fi) | 1994-08-10 |
DE4005964C2 (de) | 1993-04-29 |
EP0516625B1 (de) | 1994-06-01 |
DE4005964A1 (de) | 1991-09-05 |
CA2072621C (en) | 1996-11-12 |
FI922357A0 (fi) | 1992-05-22 |
WO1991012995A1 (de) | 1991-09-05 |
DK0516625T3 (da) | 1994-10-10 |
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