EP0988122A1 - Mehrstufige umformmaschine - Google Patents
Mehrstufige umformmaschineInfo
- Publication number
- EP0988122A1 EP0988122A1 EP98922569A EP98922569A EP0988122A1 EP 0988122 A1 EP0988122 A1 EP 0988122A1 EP 98922569 A EP98922569 A EP 98922569A EP 98922569 A EP98922569 A EP 98922569A EP 0988122 A1 EP0988122 A1 EP 0988122A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- forming machine
- good part
- good
- transfer
- machine according
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/04—Making machine elements ball-races or sliding bearing races
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
- B21K27/02—Feeding devices for rods, wire, or strips
- B21K27/04—Feeding devices for rods, wire, or strips allowing successive working steps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/647—With means to convey work relative to tool station
- Y10T83/6492—Plural passes of diminishing work piece through tool station
- Y10T83/6499—Work rectilinearly reciprocated through tool station
- Y10T83/6508—With means to cause movement of work transversely toward plane of cut
- Y10T83/6515—By means to define increment of movement toward plane of cut
- Y10T83/6518—By pusher mechanism
Definitions
- the present invention relates to a multi-stage forming machine with a last forming station for dividing combination parts into at least two good parts, v / ie it is defined in the preamble of independent claim 1.
- Multi-stage forming machines that split combination parts into two good parts in a last forming station are e.g. used for the production of ball bearing rings.
- the good parts produced for example an inner ring and an outer ring, fall due to their own weight onto a slide arranged under the forming station and slide on it out of the forming area of the forming machine.
- Another disadvantage is that the good parts are discharged in a disorderly manner.
- the production order of the removed good parts does not follow immediately, so that quality control and possible readjustment of the forming machine and the removal of faulty good parts is difficult.
- a sorting of the two types of good parts produced and possibly an alignment of the good parts suitable for the subsequent work steps is required.
- a multi-stage forming machine of the type mentioned at the outset is to be created, in which good parts produced from a combination part can be removed quickly, separately and in a controlled manner from the last forming station.
- each good part can be removed separately after dividing a combination part in the last forming station.
- the transfer devices enable quick and controlled removal of the good parts from the last forming station. Thanks to the transfer devices, the speed of the forming machine is no longer limited by the falling speed of the good parts. In addition, the good parts can be discharged in a manner that is suitable for the subsequent work steps and timed.
- the controlled removal in accordance with the production sequence also enables the good parts to be identified, which makes precise quality control, possible readjustment of the forming machine and the elimination of faulty good parts considerably easier. For example, in the event of defective good parts occurring due to transitions of rods from which the combination parts are produced, the removal can be limited to the directly affected good parts. It is not It is no longer necessary for safety reasons to remove all potentially defective good parts that have been removed within a certain period of time.
- the good parts can also be manufactured more precisely with the forming machine, since the good parts do not collide with the slide at high speed, as in the case of the prior art forming machines mentioned. Avoiding or at least greatly reducing surface damage makes it possible to reduce the machining allowances on the good parts or even to omit them entirely.
- FIG. 1 shows a section through part of a multi-stage forming machine according to the invention with a transferring pliers in two positions;
- FIG. 2 shows a side view of a first exemplary embodiment of the good part unloading part of a multi-stage forming machine according to the invention with a first one.
- FIG. 4 shows a plan view of the good part unloading part from FIG. 2;
- FIG. 6 shows a side view of a second exemplary embodiment of the good part unloading part of a multi-stage forming machine according to the invention with a first transfer device with transfer pliers and a second transfer device with a slide;
- Fig. 7 - a plan view of the good part unloading part of Fig. 6 and
- FIG. 8 - a front view of the good part unloading part from FIG. 6.
- the multi-stage forming machine shown has three forming stations 1 ′′, 1 ′ and 1, whereby in the last forming station 1 combination parts 2 are each divided into two good parts. Only the one good part 21 is visible in the last forming station 1 , here in the form of an inner ring; the other good part, in the present exemplary embodiment an outer ring, has already been separated from it and removed.
- the combination parts 2 are moved with a pair of pliers 11 'from the forming station 1 "to the forming station 1' and with pliers 11 transported from the forming station 1 'to the forming station 1.
- the pliers 11 'and 11 each have an upper gripper 111' and m and a lower Ren grippers 112 'and 112, which are attached to an upper tong holder 12 and a lower tong holder 13, respectively.
- the cross-feeding of the tongs 11 'and 11 takes place by moving the tongs carriers 12 and 13.
- a good part removal device 3 is provided, which is assigned a transfer device 5 for transferring the good part 21 from the last forming station 1 to the good part removal device 3.
- the good part removal device 3 comprises an obliquely arranged chute 31 delimited by two side walls, of which only the side wall 32 is visible here, on which the good parts 21 slip out of the forming area of the forming machine.
- the transfer device 5 has a transfer pliers 51 with an upper gripper 52 and a lower gripper 53, which are rotatably attached to the upper tong holder 12 or rigidly to the lower tong holder 13 and by means of these two tong holders from the last forming station 1 to the good part removal device 3 and vice versa.
- a screw 56 acts as an adjustable stop for the upper gripper 52.
- a good part 21 is held from above by means of two adjustable gripping jaws 521, 522 of the upper gripper 52 and from below by means of an adjustable gripping jaw 531 of the lower gripper 53.
- the side of the gripped good part 21 facing the good part removal device 3 is free, so that the good part 21 can be placed on the chute 31 without the transfer pliers 51 touching it.
- the upper gripper 52 is pretensioned in the gripping direction with a pretensioning spring 54.
- a pre-opening device is provided which moves the upper gripper 52 a certain distance in the opening direction shortly before reaching the good part removal device 3.
- the pre-opening device comprises a ramp 55 attached to the boss 8, onto which a pre-opening screw 58, which is screwed into a fastening plate 57 arranged on the upper gripper 52, can move up.
- the pre-opening distance of the upper gripper 52 can be adjusted by adjusting the pre-opening screw 58.
- the part unloading part of a fiction, shown here - g e MAESSEN forming machine comprises a first transfer device having a transfer tongs ge ⁇ AESS Fig. 1, from which For reasons of clarity, only the visible gripping jaws 521, 522 and 531 are drawn, a first good part removal device 3 assigned to the first transfer device, a second transfer device 6 and a second good part removal device 4 assigned to this.
- the first good part removal device 3 is constructed similarly to the good part removal device shown in FIG. 1. The only difference is that the chute 31 has a longitudinally displaceable end part 311. This end part 311 is displaced in the direction of the last forming station 1 in order to receive smaller good parts 21, so that even smaller good parts 21 are placed by the transfer pliers in such a way that they see the slide 31 sliding down.
- Fastening brackets 93 and 94 are used to fasten the good part removal device 3 to the machine body 9 or to the A boss 8.
- the second good part removal device 4 comprises an obliquely arranged chute 41, delimited by two side walls 42 and 43, on which the good parts 22, here in the form of outer rings, slide out of the forming area of the forming machine.
- Fastening brackets 91 and 92 are used to fasten the good part removal device 4 to the machine body 9 or to the anvil 8.
- the transfer device 6 for transferring a good part 22 from the last forming station 1 to the good part removal device 4 comprises a slideway 61 arranged between the last forming station 1 and the good part removal device 4 for receiving a good part 22 from the last forming station. tion 1 and a pushing device for pushing a good part 22 located on the slideway 61 onto the chute 41 of the good part removal device 4.
- the pushing device has a kick lever 62 which is arranged on a fixed part 65 so as to be pivotable about an axis of rotation 64.
- the fixed part 65 is fastened to a stripper 82 (see below) via an anchoring part 63.
- the transfer of the good parts 21 and 22 from the last forming station 1 to the good part discharge devices 3 and 4 can be carried out simultaneously or at different times.
- the good part 22 is pulled out of the die 80 by the retraction of the punch 83 and stripped from the punch 83 on the stripper 82 and thus reaches the slideway 61.
- the good part 21 is pushed out of the die 80 by means of an ejector 21 and either goes directly into the closed transfer pliers or is gripped by the ⁇ c transfer pliers.
- the good parts 21 and 22 are then transferred to the good part removal devices 3 and 4 as described above.
- the present good part unloading part of a forming machine differs from that shown in FIGS. 2-5 in that, instead of a transfer device 6 with a kick lever 62, it has a transfer device 7 with a slide 72.
- the slide 72 is driven via a drive attachment point 722, e.g. driven by the upper tong holder 12 of the forming machine and pushes with a sliding plate 721 a good part lying on the slide 71 at the speed of the upper tong holder onto the chute 41 of the good part removal device 4.
- the slide 72 is guided by a slide 73 which it penetrates vertically.
- the carriage 73 itself is carried by a carriage guide 74 with a T-shaped guide part 75 and for this purpose has a T-shaped groove.
- the guide part 75 and the groove can of course also be designed differently, for example in the form of a dovetail, trapezoidal, etc.
- the slide guide 74 is fastened to the stripper 82 (not visible here) via an anchoring part 76.
- the vertical displaceability of the slide 72 in the slide 73 makes it possible, after reaching the extreme position on the part-removal device side, to move it back to the opposite extreme position without touching the punch of the last forming station, and then to lower it again into the starting position.
- the transfer device 7 with slide 72 has the advantage over the transfer device 6 with kick lever 62 that Move the good parts relatively gently and do not strike them.
- the good part removal devices 3 and 4 can have conveyor belts which are arranged horizontally or at an angle. It is also conceivable to provide drivers 21, 22 for transporting the good parts.
- the transfer pliers 51 can also have a lower gripper 53 with zv / ei gripping jaws. Touching the slide 31 by the lower gripper 53 can be prevented by providing the slide 31 with a gap.
- Other transfer pliers are also conceivable which, for example, have only one upper gripper. Transfer tongs with only one gripper are particularly suitable for cold forming machines.
- the transfer devices 5, 6, 7 can be combined with one another as desired, it also being possible for several transfer devices to be of the same type and for the removal of more than two good parts the corresponding number of transfer devices and good part removal devices can be provided.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Specific Conveyance Elements (AREA)
- Preparation Of Fruits And Vegetables (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Turning (AREA)
- Harvester Elements (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH144997 | 1997-06-13 | ||
CH144997 | 1997-06-13 | ||
PCT/CH1998/000249 WO1998057765A1 (de) | 1997-06-13 | 1998-06-09 | Mehrstufige umformmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0988122A1 true EP0988122A1 (de) | 2000-03-29 |
EP0988122B1 EP0988122B1 (de) | 2001-05-09 |
Family
ID=4210731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98922569A Expired - Lifetime EP0988122B1 (de) | 1997-06-13 | 1998-06-09 | Mehrstufige umformmaschine |
Country Status (13)
Country | Link |
---|---|
US (1) | US6471035B1 (de) |
EP (1) | EP0988122B1 (de) |
JP (1) | JP2001508704A (de) |
KR (1) | KR100349053B1 (de) |
CN (1) | CN1084648C (de) |
AU (1) | AU7518298A (de) |
CZ (1) | CZ9904174A3 (de) |
DE (1) | DE59800691D1 (de) |
EA (1) | EA001306B1 (de) |
ES (1) | ES2156441T3 (de) |
TW (1) | TW400257B (de) |
UA (1) | UA48307C2 (de) |
WO (1) | WO1998057765A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9586246B2 (en) * | 2015-01-26 | 2017-03-07 | National Machinery Llc | Down conveyor |
CN113751651B (zh) * | 2021-09-15 | 2024-01-19 | 福建精诚锻造有限公司 | 一种组合式轴承座锻造装置及其锻造工艺 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH398316A (de) * | 1962-05-26 | 1966-03-15 | Reinhold Dipl Ing Elsen | Mehrstufenpresse |
NL6811971A (de) * | 1968-08-22 | 1970-02-24 | ||
DE2064440C3 (de) * | 1970-12-30 | 1979-03-22 | Hatebur Ag F B | Mehrstufenpresse zur gleichzeitigen Herstellung von zwei ineinanderpassenden Hohlkörpern begrenzter Länge |
CH553014A (de) * | 1973-04-16 | 1974-08-30 | Krasnicka Fabryka Wyrobow Meta | Vorrichtung zum trennen von turmschmiedestuecken. |
JPS5118259A (en) * | 1974-08-06 | 1976-02-13 | Tomio Ishida | Netsukanfuoomaaniokeru naigairindojiseizosochi |
US4407630A (en) * | 1979-01-22 | 1983-10-04 | Setsuo Toda | Work feed method in a press |
US4382737A (en) * | 1981-03-05 | 1983-05-10 | Gulf & Western Manufacturing Company | Can end making apparatus |
US4631950A (en) | 1984-05-17 | 1986-12-30 | The National Machinery Company | Progressive former with removable tooling |
US6032505A (en) * | 1993-03-12 | 2000-03-07 | Stodd; Ralph P. | Tooling apparatus and method for high speed production of drawn metal cup-like articles |
US6293386B1 (en) * | 1999-05-10 | 2001-09-25 | Fitel Innovations | Leadframe transport and method therefor |
US6267220B1 (en) * | 1999-09-24 | 2001-07-31 | Globe Machine Manufacturing Company | Flange feeder for wooden I-beam assembly machine |
-
1998
- 1998-06-09 WO PCT/CH1998/000249 patent/WO1998057765A1/de not_active Application Discontinuation
- 1998-06-09 DE DE59800691T patent/DE59800691D1/de not_active Expired - Fee Related
- 1998-06-09 KR KR1019997011201A patent/KR100349053B1/ko not_active IP Right Cessation
- 1998-06-09 CZ CZ19994174A patent/CZ9904174A3/cs unknown
- 1998-06-09 JP JP50348199A patent/JP2001508704A/ja not_active Ceased
- 1998-06-09 ES ES98922569T patent/ES2156441T3/es not_active Expired - Lifetime
- 1998-06-09 AU AU75182/98A patent/AU7518298A/en not_active Abandoned
- 1998-06-09 CN CN98805751A patent/CN1084648C/zh not_active Expired - Fee Related
- 1998-06-09 EP EP98922569A patent/EP0988122B1/de not_active Expired - Lifetime
- 1998-06-09 EA EA200000015A patent/EA001306B1/ru not_active IP Right Cessation
- 1998-06-09 US US09/424,894 patent/US6471035B1/en not_active Expired - Fee Related
- 1998-06-12 TW TW87109422A patent/TW400257B/zh not_active IP Right Cessation
- 1998-09-06 UA UA99126739A patent/UA48307C2/uk unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9857765A1 * |
Also Published As
Publication number | Publication date |
---|---|
US6471035B1 (en) | 2002-10-29 |
EA200000015A1 (ru) | 2000-06-26 |
KR20010013213A (ko) | 2001-02-26 |
WO1998057765A1 (de) | 1998-12-23 |
DE59800691D1 (de) | 2001-06-13 |
JP2001508704A (ja) | 2001-07-03 |
KR100349053B1 (ko) | 2002-08-21 |
TW400257B (en) | 2000-08-01 |
CN1084648C (zh) | 2002-05-15 |
CZ9904174A3 (cs) | 2001-12-12 |
CN1259065A (zh) | 2000-07-05 |
AU7518298A (en) | 1999-01-04 |
ES2156441T3 (es) | 2001-06-16 |
EP0988122B1 (de) | 2001-05-09 |
UA48307C2 (uk) | 2002-08-15 |
EA001306B1 (ru) | 2000-12-25 |
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