DE2913439A1 - Power press with continuous strip feed - has belt conveyor for removal of punched components - Google Patents

Power press with continuous strip feed - has belt conveyor for removal of punched components

Info

Publication number
DE2913439A1
DE2913439A1 DE19792913439 DE2913439A DE2913439A1 DE 2913439 A1 DE2913439 A1 DE 2913439A1 DE 19792913439 DE19792913439 DE 19792913439 DE 2913439 A DE2913439 A DE 2913439A DE 2913439 A1 DE2913439 A1 DE 2913439A1
Authority
DE
Germany
Prior art keywords
punching
conveyor belt
punching machine
machine according
attached
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
Application number
DE19792913439
Other languages
German (de)
Other versions
DE2913439C2 (en
Inventor
Guenter Edrich
Werner Goelter
Hans Groel
Klaus Jung
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schoen und Cie GmbH
Original Assignee
Schoen und Cie GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schoen und Cie GmbH filed Critical Schoen und Cie GmbH
Priority to DE19792913439 priority Critical patent/DE2913439A1/en
Publication of DE2913439A1 publication Critical patent/DE2913439A1/en
Application granted granted Critical
Publication of DE2913439C2 publication Critical patent/DE2913439C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1818—Means for removing cut-out material or waste by pushing out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/06—Making more than one part out of the same blank; Scrapless working
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/20—Storage arrangements; Piling or unpiling
    • B21D43/22—Devices for piling sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • B26F1/405—Travelling head presses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Abstract

A power press is punching components (13) from a continuous strip (15) of sheet metal. The punch operation is such that the component does not fully separate from the feed strip (15). A horizontal beam (5), attached to the punch plate (3) has a vertical pusher cylinder (6,7) attached to its free end. Its vertical movement ejects the punched components (13) from the feed strip (15) so that they fall onto an exit conveyor belt (8) on a lower level, where they form stacks.

Description

STANZMASCHINE PUNCHING MACHINE

Die vorliegende Erfindung betrifft eine Stanzmaschîne mit einer Transportvorrichtung für das zugeführte und für das ausgestanzte Material und mit einer Ausbrech-oder Ausstoßvorrichtung.The present invention relates to a punching machine with a transport device for the fed in and for the punched out material and with a stripping or Ejector.

Maschinen dieser Art sind bekannt und werden in vielerlei Ausführungen angeboten. Die in den letzten Jahren immer mehr erhöhte Stanzgeschwindigkeit hat dazu geführt, da(3 die manuelle Abnahme damit nicht mehr Schritt halten kann. So hat man an der Auslaufseite Ausbrechvorrichtungen und Abtransportbänder angebaut.Machines of this type are known and come in many designs offered. The punching speed has increased more and more in recent years led to the fact that (3 the manual acceptance can no longer keep up with it stripping devices and conveyor belts have been installed on the outlet side.

Die vorliegende Neuerung soll nun die Abnahme der Stanzteile weiter erleichtern, indem das Abtransportband unter der Ausbrechvorrichtung absenkbar ausgeführt ist. Auf diese Weise kann der freie Fallweg der Stanzteile sehr gering gehalten werden und sie liegen dann sauber im Stapel.The present innovation is now intended to continue the acceptance of the stamped parts make it easier by lowering the conveyor belt under the stripping device is. In this way, the free fall path of the stamped parts can be kept very small and they are then neatly stacked.

Nachfolgend wird eine beispielsweise Ausführung anhand von halbschematischen Abbildungen erklärt.The following is an example of an implementation based on semi-schematic Illustrations explained.

Fig. 1 zeigt eine Seitenansicht der Maschine.Fig. 1 shows a side view of the machine.

Fig. 2 zeigt eine Draufsicht auf die Maschine nach Fig. 1 teilweise geschnitten entlang der Linie II - II Fig. 3 zeigt eine Vorderansicht der Maschine, ohne den Walzenabzug, etwa aus Sicht der Schnittlinie III - III Fig. 4 zeigt eine Seitenansicht einer Stanzmaschine in anderer Ausführung mit fest angeordneter Ausbrechvorrichtung.Fig. 2 shows a plan view of the machine of Fig. 1 partially cut along the line II - II Fig. 3 shows a front view of the machine, without the roller take-off, approximately from the point of view of section line III - III. FIG. 4 shows a Side view of a punching machine in a different version with a fixed stripping device.

Bei der Stanzmaschine bewegt sich ein sog. Stanzkarren 1 längs einer Führungsbahn 2' des Maschinenständers 2.In the punching machine, a so-called punching cart 1 moves along a Guide track 2 'of the machine stand 2.

Die ab- und aufgehende Druckplatte 3 trägt auf ihrer Unterseite das Stanzmesser 4 und auf der Oberseite den Auslegerarm 5 mit dem Auswerferzylinder 6. Am Kolbenschaft des Auswerferzylinders ist eine (oder mehrere) Ausbrechplatte 7 angebracht, die etwa der Kontur des Stanzteiles entspricht.The rising and falling pressure plate 3 carries the on its underside Punch knife 4 and on the top the boom arm 5 with the ejector cylinder 6. There is one (or more) knockout plates on the piston shaft of the ejector cylinder 7 attached, which corresponds approximately to the contour of the stamped part.

Die Auswerfeinrichtung bewegt sich also mit dem Stanzkarren 1 quer zur Materialvorschub4+erichtung und bewegt sich mit der Druckplatte 3 ab und auf. Jeweils dort, wo gestanzt wird, erhält der Auswerferzylinder 6 Druckluft Uber eine nicht gezeigte Xuleitung und wirft ein Stanzteil aus dem Gitter#uf das Transportband 8. Statt eines Zylinders kann auch ein Elektro-Magnet angebracht sein, statt einer direkten Anbringung der Ausbrechplatte 7 könnten auch Hebel zwischengeschaltet sein.The ejector thus moves with the punching cart 1 transversely for material feed and moves up and down with the pressure plate 3. In each case where the punching takes place, the ejector cylinder 6 receives compressed air via a not shown and throws a punched part out of the grid onto the conveyor belt 8. Instead of a cylinder, an electro-magnet can be attached instead of one direct attachment of the breakout plate 7 could also be interposed levers.

Der Stanzmaschine ist ein Walzenvorschub 9 und ein Walzenabzug lo zugeordnet, die synchron miteinander laufen. Der Antrieb ist beliebig und wird im Takt mit der Stanze gesteuert. Statt eines Walzenvorschubes könnte z.B. auch ein Zangenvorschub angeordnet sein.The punching machine is a roll feed 9 and a roll take-off lo assigned that run synchronously with each other. The drive is arbitrary and is in the Clock controlled with the punch. Instead of a roller feed, a Be arranged gripper feed.

Unterhalb der Ausbrechvorrichtung ist das *ansportband 8 senk- und hebbar gelagert. Im ge,-eigten Beispiel erfolgt die Hubbewegung über eine gesteuerte Kolben-Zylinder-Anordnung 11. Statt dieser könnte auch eine scherenartige Hubeinrichtung angeordnet sein, oder eine Spindel-Hubei nri chtung.The * ansportband 8 is vertical and below the break-out device stored liftable. In the example shown above, the lifting movement takes place via a controlled one Piston-cylinder arrangement 11. Instead of this, a scissor-like lifting device could also be used be arranged, or a spindle Hubei rectification.

Die Höhe des Transportbandes 8 stellt sich über die Fotozellen 12 und eine geeignete Steuerung selbsttätig ein. Die Fotozellen tasten die Höhe des Materialstapels 13 ab. Bei Kenntnis der Materialdicke kann man das Transportband 8 auch um einen voreinstellbaren Wert absenken lassen, ohne Fotozellen.The height of the conveyor belt 8 is set above the photocells 12 and a suitable controller automatically. The photocells feel the height of the Material stack 13 from. If you know the material thickness you can use the conveyor belt 8 can also be reduced by a presettable value, without photocells.

ZweckmäßigverSieEt man das abnahmeseitige Ende des Abtransportbandes 8 mit einem weiteren Fotozellen-.The end of the removal conveyor belt on the removal side is expediently divided 8 with another photocell.

paar 14, das am Rahmen 8'befestigt ist.couple 14, which is attached to the frame 8 '.

Der Antrieb des Transportbandes wird dann so geschaltet, daß nach Erreichen einer vorgegebenen Stapelhöhe oder Stückzahl das. Band so lange läuft, bis der erste Stapel 13'die Fotozelle 14 abdunkelt.The drive of the conveyor belt is then switched so that after Reaching a specified stack height or number of pieces that the belt runs as long as until the first stack 13 'darkens the photocell 14.

In der Folge werden dann die Stapel 13', 131'usw. von Hand entnommen.As a result, the stacks 13 ', 131' etc. taken by hand.

Mit dem Stillstand des Bandes 8 bewegt sich dieses auch wieder nach oben, bis in Höhe der Fotozelle 12.When the belt 8 comes to a standstill, it also moves again at the top, up to the level of the photocell 12.

Zum Festhalten des Materials 15 während des Stanz-und Ausbrechvorganges ist am Maschinentisch zwischen Stanzmesser 4 und Ausbrechvorrichtung ein Klemmbalken 30 vorgesehen. Dieser öffnet jeweils während des Vorschubes über die Zylinder 31.For holding the material 15 in place during the punching and breaking process there is a clamping bar on the machine table between the punching knife 4 and the stripping device 30 provided. This opens during the advance via the cylinder 31.

In der Figur 4 ist eine andere mögliche Ausführung der Neuerung gezeigt. Die Stanzmaschine ist mit einem ab- und aufgehenden Oberteil 20 versehen, an dem das Messer 4 montiert ist, und das über die Zuganker 21 und über eine nicht gezeigte Kolben-Zylinder-Anordnung im Unterteil 22 angetrieben ist.Another possible embodiment of the innovation is shown in FIG. The punching machine is provided with an upward and downward upper part 20 on which the knife 4 is mounted, and that via the tie rods 21 and a not shown Piston-cylinder arrangement in the lower part 22 is driven.

Die Ausbrechvorrichtung ist in diesem Falle über die Verbindung 23 an dem Unterteil 22 befestigt. Sie könnte auch hier am Oberteil 20 befestigt sein. Werden mehrere Stanzmesser 4 in die Maschine eingebaut, so müssen auch mehrere Ausbrechplatten 7 angebaut werden.In this case, the break-out device is via connection 23 attached to the lower part 22. It could also be attached to the upper part 20 here. If several punching knives 4 are installed in the machine, several break-out plates must also be used 7 can be grown.

Mit der Figur 4 soll dargelegt werden, daß die Erfindung nicht streng auf die beschriebene Ausführung anzuwenden ist.The purpose of FIG. 4 is to show that the invention is not strict is to be applied to the design described.

Im Zweifel sind alle hier beschriebenen und/oder dargestellten Merkmale für sich oder in beliebiger sinnvoller Kombination erfindungswesentlich.In case of doubt, all features described and / or shown here are Essential to the invention by themselves or in any meaningful combination.

Schutz wird begehrt für das, was objektiv schutzfähig ist.Protection is desired for that which can objectively be protected.

Claims (6)

SCHUTZANSPROCHE Stanzmaschine zum Ausstanzen von Teilen aus einer Materialbahn mit Hilfe von Stanzmessern bzw. Werkzeugen, mit einer Vorschubeinrichtung für die Materialbahn, mit einer Ausbrechvorrichtung und einem Abtransportband für die ausgestanzten eine, dadurch gekennzeichnet, daß das Transportband/8) absenkbar ausgeführt ist. PROTECTION APPLICATION Punching machine for punching parts out of a Material web with the help of punching knives or tools, with a feed device for the material web, with a break-out device and a conveyor belt for the punched out one, characterized in that the conveyor belt / 8) can be lowered is executed. 2. Stanzmaschine nach Anspruch 1, dadurch gekennzeichnet, daß im freien Bereich zwischen Stanzmesser und Ausbrechvorrichtung eine Haltevorrichtung(3o, 31)für das Material angeordnet ist. 2. Punching machine according to claim 1, characterized in that im a holding device (3o, 31) is arranged for the material. 3. Stanzmaschine nach Anspruch 1, dadurch gekennzeichnet, daß das Transportband in seiner Höhe über eine Fotozelle gesteuert wird. 3. Punching machine according to claim 1, characterized in that the The height of the conveyor belt is controlled by a photocell. 4. Stanzmaschine nach Anspruch 1, dadurch gekennzeichnet, daß die Ausbrechvorrichtung (5> 6, 7)an der Druckplatte(3)befestigt ist und an der Bewegung das Stanzmesser teilnimmt. 4. Punching machine according to claim 1, characterized in that the Stripping device (5> 6, 7) is attached to the pressure plate (3) and to the movement the punch knife participates. 5. Stanzmaschine nach den Ansprüchen 1 und 3, dadurc gekennzeichnet, daß am Abnahmeende des Transporibandes eine weitere Fotozelle angebaut ist, die das Band stillsetzt. 5. punching machine according to claims 1 and 3, characterized by dadurc, that another photocell is attached to the end of the conveyor belt, which the belt stops. 6. Stanzmaschine nach den Ansprüchen 1,2,3 und 5, dadurch gekennzeichnet, daß die Ausbrechvorrichtuìg unabhängig von einem beweglichen Stanzmesser ü;-dem Transportband angeordnet ist. 6. Punching machine according to claims 1, 2, 3 and 5, characterized in that that the break-out device independent of a movable punching knife over the Conveyor belt is arranged.
DE19792913439 1979-04-04 1979-04-04 Power press with continuous strip feed - has belt conveyor for removal of punched components Granted DE2913439A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19792913439 DE2913439A1 (en) 1979-04-04 1979-04-04 Power press with continuous strip feed - has belt conveyor for removal of punched components

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792913439 DE2913439A1 (en) 1979-04-04 1979-04-04 Power press with continuous strip feed - has belt conveyor for removal of punched components

Publications (2)

Publication Number Publication Date
DE2913439A1 true DE2913439A1 (en) 1980-10-16
DE2913439C2 DE2913439C2 (en) 1991-12-12

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0058547A1 (en) * 1981-02-17 1982-08-25 Auto-Masters Limited Apparatus for cutting printing plates
FR2507948A1 (en) * 1981-06-22 1982-12-24 Jaeger Tool for shearing small panels from thin metal or plastic sheet - includes rubber diaphragm and forms pressure differentials between hollow mould blocks
EP0074041A2 (en) * 1981-09-05 1983-03-16 C. Behrens AG Cutting press for sheet-like workpieces
EP0175040A1 (en) * 1984-09-18 1986-03-26 R. Zumbach Ag Arrangement for packing lamellar pieces
EP0265589A2 (en) * 1986-10-31 1988-05-04 C. Behrens AG Stamping press
FR2623438A1 (en) * 1987-11-20 1989-05-26 Gleyze Jean Installation permitting the cutting-out of elementary blanks, particularly from cardboard (fibreboard), intended to produce packages
EP0453711A1 (en) * 1990-04-26 1991-10-30 SCHÖN & CIE. AG Procedure for withdrawing and depositing of punched out piles of sheets or similar piles of lamellar material from an entire pile and device for this
WO1994026480A1 (en) * 1993-05-15 1994-11-24 Dirk Emrich Device, clamping tool and process for breaking away cuttings when cutting out blanks from cardboard
EP0706844A3 (en) * 1994-10-11 1996-08-07 Smg Sueddeutsche Maschinenbau Device for deep-drawing of sheet metal
WO1998008634A1 (en) * 1996-08-28 1998-03-05 Feintool International Holding Ag Method of producing and stacking components
EP2425519A1 (en) * 2009-04-29 2012-03-07 Ernesto Malvestiti S.p.A. Process and mold for producing ferromagnetic cores of electric motors
CN104525776A (en) * 2014-11-14 2015-04-22 柳州市安龙机械设备有限公司 Stamping tool for small-sized stamped parts
CN104801976A (en) * 2014-05-16 2015-07-29 中集集团集装箱控股有限公司 Container short bottom beam stamping production line
EP2928652A4 (en) * 2012-12-07 2016-09-07 Ess Technology As Method and device for conveying polymeric oblates to casting machines and application
CN108788750A (en) * 2018-06-26 2018-11-13 安徽玄同工业设计有限公司 Cutting-off mechanism
CN110560512A (en) * 2019-09-09 2019-12-13 山东劳动职业技术学院（山东劳动技师学院） Mechanical automation equipment of flattening with safety protection function
CN110712233A (en) * 2019-10-21 2020-01-21 湖南航硕体育用品有限公司 Ball cladding surface punching machine
CN111730680A (en) * 2020-07-03 2020-10-02 曹林 Lotus leaf cutting and shaping automation equipment
CN111730684A (en) * 2020-07-03 2020-10-02 曹林 Process for automatically cutting lotus leaves into shapes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110711815A (en) * 2019-11-08 2020-01-21 嘉善伟悦紧固件有限公司 Punching positioning mechanism for machining fastener

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD43010A (en) *
DE2462130A1 (en) * 1974-10-05 1976-04-15 Schuler Gmbh L Unloading platform synchronized with press cycle - has horizontal sliding frame and two conveyor belts for component removal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD43010A (en) *
DE2462130A1 (en) * 1974-10-05 1976-04-15 Schuler Gmbh L Unloading platform synchronized with press cycle - has horizontal sliding frame and two conveyor belts for component removal

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0058547A1 (en) * 1981-02-17 1982-08-25 Auto-Masters Limited Apparatus for cutting printing plates
FR2507948A1 (en) * 1981-06-22 1982-12-24 Jaeger Tool for shearing small panels from thin metal or plastic sheet - includes rubber diaphragm and forms pressure differentials between hollow mould blocks
EP0074041A2 (en) * 1981-09-05 1983-03-16 C. Behrens AG Cutting press for sheet-like workpieces
EP0074041A3 (en) * 1981-09-05 1984-07-18 C. Behrens Ag Cutting press for sheet-like workpieces
EP0175040A1 (en) * 1984-09-18 1986-03-26 R. Zumbach Ag Arrangement for packing lamellar pieces
EP0265589A2 (en) * 1986-10-31 1988-05-04 C. Behrens AG Stamping press
EP0265589A3 (en) * 1986-10-31 1988-09-07 C. Behrens Ag Stamping press
FR2623438A1 (en) * 1987-11-20 1989-05-26 Gleyze Jean Installation permitting the cutting-out of elementary blanks, particularly from cardboard (fibreboard), intended to produce packages
EP0453711A1 (en) * 1990-04-26 1991-10-30 SCHÖN & CIE. AG Procedure for withdrawing and depositing of punched out piles of sheets or similar piles of lamellar material from an entire pile and device for this
WO1994026480A1 (en) * 1993-05-15 1994-11-24 Dirk Emrich Device, clamping tool and process for breaking away cuttings when cutting out blanks from cardboard
CN1062790C (en) * 1994-10-11 2001-03-07 南德机械制造股份有限公司 Apparatus for deep drawing sheet metal
EP0706844A3 (en) * 1994-10-11 1996-08-07 Smg Sueddeutsche Maschinenbau Device for deep-drawing of sheet metal
WO1998008634A1 (en) * 1996-08-28 1998-03-05 Feintool International Holding Ag Method of producing and stacking components
EP2425519A1 (en) * 2009-04-29 2012-03-07 Ernesto Malvestiti S.p.A. Process and mold for producing ferromagnetic cores of electric motors
EP3473392A1 (en) * 2012-12-07 2019-04-24 Rpc Superfos A/S Method and apparatus for conveying in mould labels to a moulding machine
EP2928652A4 (en) * 2012-12-07 2016-09-07 Ess Technology As Method and device for conveying polymeric oblates to casting machines and application
EP2928652B1 (en) 2012-12-07 2018-10-31 Rpc Superfos A/S Method and device for conveying polymeric oblates to casting machines
CN104801976A (en) * 2014-05-16 2015-07-29 中集集团集装箱控股有限公司 Container short bottom beam stamping production line
CN104525776A (en) * 2014-11-14 2015-04-22 柳州市安龙机械设备有限公司 Stamping tool for small-sized stamped parts
CN108788750A (en) * 2018-06-26 2018-11-13 安徽玄同工业设计有限公司 Cutting-off mechanism
CN110560512A (en) * 2019-09-09 2019-12-13 山东劳动职业技术学院（山东劳动技师学院） Mechanical automation equipment of flattening with safety protection function
CN110560512B (en) * 2019-09-09 2021-08-17 山东劳动职业技术学院（山东劳动技师学院） Mechanical automation equipment of flattening with safety protection function
CN110712233A (en) * 2019-10-21 2020-01-21 湖南航硕体育用品有限公司 Ball cladding surface punching machine
CN111730680A (en) * 2020-07-03 2020-10-02 曹林 Lotus leaf cutting and shaping automation equipment
CN111730684A (en) * 2020-07-03 2020-10-02 曹林 Process for automatically cutting lotus leaves into shapes

Also Published As

Publication number Publication date
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8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: SCHOEN & CIE AG, 6780 PIRMASENS, DE

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