EP1870232A1 - Formstempel für eine Faltschachtelherstellungsmaschine - Google Patents

Formstempel für eine Faltschachtelherstellungsmaschine Download PDF

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Publication number
EP1870232A1
EP1870232A1 EP07380181A EP07380181A EP1870232A1 EP 1870232 A1 EP1870232 A1 EP 1870232A1 EP 07380181 A EP07380181 A EP 07380181A EP 07380181 A EP07380181 A EP 07380181A EP 1870232 A1 EP1870232 A1 EP 1870232A1
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EP
European Patent Office
Prior art keywords
push head
holes
head according
opposite
fixing
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
EP07380181A
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English (en)
French (fr)
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EP1870232B1 (de
Inventor
Telesforo Gonzalez Olmos
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Individual
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Individual
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Publication of EP1870232A1 publication Critical patent/EP1870232A1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • B31B50/46—Folding sheets, blanks or webs by plungers moving through folding dies and interconnecting side walls

Definitions

  • the present invention relates to a push head for a cardboard box forming machine starting from flat, die-cut cardboard templates.
  • Patent documents US-A-2798416 , ES-A-0442914 , ES-A-0550143 , ES-A-235835-U and ES-A-255122-U disclose automatic open cardboard box assembling machines starting from flat templates, generally comprising four corner forming units arranged as vertical columns defining a molding cavity on which a flat die-cut cardboard template supplied sequentially by a feed device is horizontally introduced. The flat die-cut cardboard template is then pushed downwards by a push head joined to a moving arm of the machine, each of said corner units cooperating in the formation of the box by folding several parts of the flat cardboard template.
  • Spanish addition patent application N° 200402985 relating to Spanish patent application N° 200302184 describes a push head for a cardboard box forming machine comprising a support structure formed from two longitudinal side plates joined by three transverse bridges, one of which is a central bridge defining a fixing base adapted to be joined to a moving member of the machine that is able to transmit an up-down reciprocating movement to said support structure. Assembled at the ends of the side plates there are corner posts and a swiveling thruster is assembled at each of the two end bridges.
  • the push head includes several adjustable fixing devices to adjust the relative positions of the side plates, bridges, corner posts and swiveling thrusters for the purpose of adapting the push head to different box formats and allowing operation adjustments.
  • the present invention provides a push head for a cardboard box forming machine comprising a support structure provided with a fixing base adapted to be joined to a moving member of said machine that is able to transmit an up-down movement to said support structure, four swiveling thrusters projecting from four corresponding corners of said support structure, two on one side and two others on the other opposite side in a longitudinal direction.
  • Each swiveling thruster is individually assembled to rotate about a horizontal shaft and in cooperation with a rotation limiter which keeps it stiff so as to press against a cardboard box template during a downward movement and which allows it to pivot so as to overcome a flap of the cardboard box during an upward movement.
  • Adjustment means allow adjusting the distances between the swiveling thrusters in the longitudinal and transverse directions of the support structure.
  • the support structure comprises first and second side plates arranged longitudinally on opposite sides and joined to one another by means of a transverse bridge having adjustable length and several transverse bars also having adjustable length.
  • the mentioned transverse bridge supports the fixing base, and is assembled such that its position can be adjusted in the vertical direction in relation to the first and second side plates.
  • the swiveling thrusters are assembled in respective supports fixed to the first and second side plates such that their position can be individually adjusted in the longitudinal direction.
  • This construction is simplified in relation to the push heads of the state of the art and allows precise adjustments in the longitudinal, transverse and vertical directions in a fast and practical manner.
  • the transverse bridge further has fixed thereto several hooks projecting above the fixing base. These hooks are adapted to engage a coupling member joined to said moving member for the purpose of temporarily supporting the push head during a push head installation or removal operation.
  • FIG 1 shows a push head for a cardboard box forming machine according to an embodiment of the present invention.
  • the push head comprises a support structure 1 formed from first and second side plates 6a, 6b arranged longitudinally on opposite sides of the structure.
  • the mentioned first and second side plates 6a, 6b are joined to one another by a transverse bridge 8 having adjustable length and several transverse bars 7 also having adjustable length.
  • a fixing base 2 adapted to be joined to a moving member 3 (shown in Figures 2 and 3) of said machine.
  • the mentioned moving member is actuated to transmit an up-down reciprocating movement to the support structure 1.
  • the support structure 1 has a general rectangular shape with a longitudinal dimension and a transverse dimension, and is substantially symmetrical both in relation to a longitudinal vertical midplane and in relation to a transverse vertical midplane. Projecting from the four corners of the support structure 1 there are four corresponding swiveling thrusters 4, two on one side and two others on the other opposite side in the longitudinal direction.
  • the transverse bridge 8 comprises a central body 10 with an upper part in which the fixing base 2 is defined and opposite side faces 12 in which guide grooves 11 are defined. Coupled in each of such guide grooves in a sliding manner there is a first guide member 13a projecting on one side and a second guide member 13b projecting on the other opposite side. Therefore projecting from one side of the central body there are two first guide members 13a joined to the first side plate 6a in an adjustable manner in the vertical direction, and projecting from the other opposite side there are two second guide members 13b joined to the second side plate 6b in an adjustable manner in the vertical direction.
  • the transverse bridge includes fixing means for fixing the first and second guide members 13a, 13b to the central body 10 in an adjustable manner in the transverse direction comprising round holes 22 formed in the guide members 13a, 13b opposite to elongated holes 23 formed in the central body 10, or vice versa, said round holes 22 and corresponding elongated holes 23 are traversed by locking screws 24 screwed into screw threads formed in the round holes 22 of some of said guide members. Alternatively, the locking screws could be tightened by respective nuts.
  • the first and second guide members 13a, 13b can slide along the guide grooves 11 of the central body 10 to reduce or increase the length of the transverse bridge 8 or to simply shift the central body 10 without changing the length of the transverse bridge 8.
  • the mentioned moving member 3 of the machine ends in a coupling member 16 adapted to be joined to the fixing base 2 of the push head.
  • Formed in the fixing base 2 there are centering holes 18 adapted to receive corresponding centering lugs 17 projecting from the lower part of the coupling member 16, or vice versa.
  • Formed in the fixing base 2 there are also holes 20 opposite to corresponding holes 19 existing in the coupling member 16. These holes 19, 20 are adapted for installing vertical locking screws (not shown) for joining the push head to the moving member 3.
  • the central body 10 has fixed thereto, for example by means of some of the same locking screws 24 joining the first and second guide members 13a, 13b to the central body 10, hooks 15 projecting above the fixing base 2.
  • the mentioned hooks 15 are adapted to engage in the coupling member 16 joined to said moving member 3 for the purpose of temporarily supporting the push head during a push head installation or removal operation.
  • the mentioned centering lugs 17 remain opposite to said centering holes 18, though outside of them, and the holes 19 of the coupling member 16 remain opposite to the holes 20 of the fixing base 2, as shown in Figure 2.
  • the mentioned vertical locking screws have a suitable length to project from the lower end of the holes 20 of the fixing base 2 and to couple, for example, to corresponding nuts when the push head is supported by the hooks 15 in the coupling member 16.
  • slowly tightening the vertical locking screws allows bringing the coupling member 16 closer to the fixing base 2 with the insertion of the centering lugs 17 in the centering holes 18 until fixedly joining the push head to the moving member 3 during a push head installation operation.
  • slowly loosening the vertical locking screws allows gradually separating the coupling member 16 from the fixing base 2 with the extraction of the centering lugs 17 from the centering holes 18 until the hooks 15 rest on the coupling member 16. Therefore, by virtue of the hooks 15, a single operator can install and remove the push head easily and without making any unnecessary efforts.
  • first and second guide members 13a, 13b are fixed to a first block 14a, which is assembled such that it can be shifted along a first vertical guide 25a formed or arranged in the first side plate 6a
  • second guide members 13b are fixed to a second block 14b assembled such that it can be shifted along a second vertical guide 25b formed or arranged in the second side plate 6b (also see Figure 1).
  • the first and second guide members 13a, 13b are fixed to the corresponding first and second blocks by means of screws 34.
  • fixing means comprising a trapezium-shaped groove 26 formed in each first and second block 14a, 14b in the vertical direction, each trapezium-shaped groove 26 being opposite to its corresponding first and second side plate 6a, 6b.
  • a trapezium-shaped bar 27 is inserted in a sliding manner in each trapezium-shaped groove 26, and locking screws 28 traverse opposite holes of the corresponding trapezium-shaped bar 27 and of the first or second side plate 6a, 6b. Tightening said locking screws 28 brings each trapezium-shaped bar 27 towards the corresponding first or second side plate 6a, 6b and presses it against the vertical guide 25a, 25b, thus locking the corresponding first or second block 14a, 14b.
  • Each of the mentioned transverse bars 7 having adjustable length (Fig. 1) is formed by a tightener type that is well known in the state of the art, comprising two mutually aligned rods externally threaded in reverse helical directions, which are coupled by threading with corresponding screw threads formed internally in reverse helical directions in opposite portions of a through hole existing in an adjustment member adapted to be rotated manually or by means of a tool.
  • FIG. 5 and 6 show one of the four swiveling thrusters 4, and the description thereof can also be used for the three other swiveling thrusters 4, which are equal and/or symmetrical to the one shown in Figures 5 and 6.
  • Each of the swiveling thrusters 4 is assembled in a respective support 9 fixed to the first or second side plate 6a, 6b such that its position can be adjusted individually in the longitudinal direction.
  • the mentioned support 9 has an overturned U shape and comprises two opposite parallel plates between which a rear portion of the swiveling thruster 4 is arranged.
  • a horizontal shaft 5 traversing the swiveling thruster 4 and a pin 29 adjacent thereto extend from one of the side plates of the support 9 to the other.
  • the swiveling thruster 4 can rotate about the horizontal shaft 5 and the pin 29 acts as a rotation limiter.
  • the longitudinal shafts 5 of two of the swiveling thrusters 4 located at the same longitudinal end of the support structure 1 can optionally be aligned and connected with the two rods forming part of one of the transverse bars 7 having adjustable length (Fig. 1).
  • the rotation limiter keeps the swiveling thruster 4 stiff (as it is shown by means of continuous lines in Figure 6) to press the cardboard box template towards the inside of the molding cavity of the machine forcing the folding of the flaps for forming the open cardboard box. Then when the push head carries out an upward movement, the swiveling thruster 4 can pivot (towards the position shown by means of dotted lines in Figure 6) in order to overcome a flap of the formed cardboard box.
  • Each swiveling thruster 4 is associated to a corresponding elastic element 33 (Fig. 1) arranged to push the swiveling thruster 4 towards the mentioned stiff position in contact with the rotation limiter pin 29.
  • the push head includes adjustment means to adjust the distances between the swiveling thrusters 4 in the longitudinal direction of the support structure 1.
  • one of the two opposite parallel plates of each support 9 has threaded holes 30, which are opposite to elongated holes 31 formed in the corresponding first or second side plate 6a, 6b (Fig. 6).
  • Locking screws 32 traverse said elongated holes 31 and are screwed in said threaded holes 30 to lock the support 9 in relation to the side plate 6a, 6b.
  • a perimetral step 35 in which plates 36 provided with holes are arranged for the locking screws 32, and the locking screws 32 have heads which press against said plates 36.
  • first and second longitudinal side plates 6a, 6b of the support structure 1 therein are formed by respective first and second central portions 61a, 61b and respective first and second end portions 62a, 62b.
  • the mentioned first and second central portions 61 a, 61b are joined to opposite ends of said transverse bridge 8, and said first and second end portions 62a, 62b are joined to opposite sides of their corresponding central portion 61a, 61b by connecting members 63a, 63b having adjustable length.
  • each of the supports 9 of the swiveling thrusters 4 is fixed to its corresponding end portion 62a, 62b by means including screws traversing elongated holes 31 (Fig. 7) similar to those described above in relation to Figure 6, such that the position of each of the swiveling thrusters 4 can be additionally adjusted in the longitudinal direction in relation to its corresponding end portion 62a, 62b.
  • the first and second central portions 61a, 61b of the side plates 6a, 6b are metallic, for example steel or aluminum, and each of the mentioned connecting members 63a, 63b comprises a slider rail 64a, 64b rigidly fixed at one of its ends, preferably by welding, to the corresponding central portion 61a, 61b of the side plate 6a, 6b.
  • Each slider rail 64a, 64b is inserted in a sliding manner in a groove defined in a guide part 65a, 65b, which in turn is fixed to its corresponding first or second end portion 62a, 62b of the side plate 6a, 6b.
  • Each guide part 65a, 65b has holes 66 adapted for installing locking screws cooperating with elongated holes 67 formed in said slider rail 64a, 64b for fixing the slider rail 64a, 64b to the sliding guide part 65a, 65b in a selected position when said screws are tightened. Therefore, by sliding the slider rails 64a, 64b more or less in relation to the guide parts 65a, 65b and fixing their relative position by means of the mentioned screws, it is possible to adjust the longitudinal dimension of the push head.
  • the first and second end portions 62a, 62b of the side plates 6a, 6b are made of a plastic material, and each guide part 65a, 65b is coupled in a sliding manner in a recessed area 70 of the corresponding first or second end portion 62a, 62b (Fig. 7).
  • the guide part 65a, 65b has holes 68 adapted for installing locking screws cooperating with elongated holes 69 formed in the first or second end portion 62a, 62b for fixing the guide part 65a, 65b to the first or second end portion 62a, 62b in a selected position, which provides the possibility of an additional adjustment of the dimension of the push head in the longitudinal direction.
  • transverse bars 7 having adjustable length are connected at their ends to the first and second end portions 62a, 62b.
  • two of these transverse bars 7 having adjustable length namely those which are located at a lower level, are connected at their ends to the supports 9, which in turn are fixed to the corresponding first and second end portions 62a, 62b as described above.
  • the transverse bridge 8 is formed by a central body 10 and first and second guide members 13a, 13b.
  • each of the mentioned guide grooves 11 of the central body 10 has sufficient depth so as to house, mutually overlapped, the mentioned first and second guide members 13a, 13b, such that the first and second guide members 13a, 13b can slide in their guide groove with respect to one another and in turn with respect to the central body 10.
  • the first guide members 13a have elongated holes 71a and the second guide members 13b also have elongated holes 71b, which, in an operative position, partially overlap the mentioned elongated holes 71a of first guide members 13a.
  • the overlapping area of the elongated holes 71a, 71b of the first and second guide members 13a, 13b is opposite to a transverse hole 72 formed in the central body 10. Therefore, a locking screw installed through said transverse hole 72 and said elongated holes 71a, 71b can be tightened to fix the first and second guide members 13a, 13b to the central body 10 in selected positions.
  • the overlapping arrangement of the first and second guide members 13a, 13b and of the elongated holes 71a, 72a provides this second embodiment with greater adjustment capacity of the transverse dimension of the push head in comparison with the first embodiment.
  • first and second guide members 13a, 13b are fixed at their ends farthest from the central body 10 to respective first and second blocks 14a, 14b, which are assembled such that they can be shifted along corresponding first and second vertical guides 25a, 25b formed in the first and second central portions 61a, 61b.
  • Fixing means are arranged for fixing the positions of the first and second blocks 14a, 14b in relation to the first and second central portions 61a, 61b, respectively, whereby providing a possibility of adjusting the vertical position of the push head in relation to the moving member 3 of the cardboard box assembling machine.
  • the mentioned fixing means comprise, for each side plate 6a, 6b, a trapezium-shaped bar 27 inserted in a sliding manner in a corresponding trapezium-shaped groove 26 formed in the corresponding first or second block 14a.
  • a series of threaded holes are formed along said trapezium-shaped bar 27, which holes are opposite to a series of holes formed in the corresponding first or second central portion 61a, 61b of the first or second side plate 6a, 6b.
  • Locking screws 28 are inserted through said opposite holes, which locking screws, when tightened, bring the trapezium-shaped bar 27 towards the corresponding first or second central portion 61a, 61b and press it against the vertical guide 25a, 25b, thus locking the corresponding first or second block 14a, 14b.
  • Figure 11 only shows the fixing means on one side of the push head, given that the fixing means on the opposite side are identical.

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EP07380181A 2006-06-23 2007-06-22 Formstempel für eine Faltschachtelherstellungsmaschine Not-in-force EP1870232B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200601698A ES2318971B1 (es) 2006-06-23 2006-06-23 Macho para maquina formadora de cajas de carton.

Publications (2)

Publication Number Publication Date
EP1870232A1 true EP1870232A1 (de) 2007-12-26
EP1870232B1 EP1870232B1 (de) 2010-10-06

Family

ID=38513234

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07380181A Not-in-force EP1870232B1 (de) 2006-06-23 2007-06-22 Formstempel für eine Faltschachtelherstellungsmaschine

Country Status (4)

Country Link
EP (1) EP1870232B1 (de)
AT (1) ATE483579T1 (de)
DE (1) DE602007009602D1 (de)
ES (2) ES2318971B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2342522A1 (es) * 2008-04-07 2010-07-07 Telesforo Gonzalez Olmos Maquina formadora de cajas y/o tapas de carton a partir de plantillas de carton planas, y molde y macho para tal maquina.
CN109094111A (zh) * 2018-09-24 2018-12-28 亚晟（东莞）自动化设备科技有限公司 一种用于固定待装配桶盒的调节模具
CN110001127A (zh) * 2019-04-10 2019-07-12 王荣斌 一种鞋盒自动成型机
CN111361202A (zh) * 2020-03-27 2020-07-03 深圳劲嘉新型智能包装有限公司 一种酒盒包装用定位结构

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2605994B1 (es) * 2015-09-16 2017-12-27 Telesforo Gonzalez Maquinaria Slu Macho para máquina formadora de bandejas prismáticas octogonales
ES2655317B1 (es) * 2016-08-09 2018-11-27 Telesforo González Maquinaria, Sl Método y máquina para fabricación automática de una caja prismática por doblado y unido de una pieza plana de base, y caja prismática obtenida
ES1217317Y (es) 2018-06-22 2020-07-02 Boix Maquinaria Spain Slu Elemento macho para maquina formadora de cajas
ES2798000B2 (es) * 2019-06-04 2021-04-20 Telesforo Gonzalez Maqu Slu Macho para maquina formadora de cajas, y maquina y metodo para la formacion de cajas

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1826260A (en) * 1929-10-05 1931-10-06 Schwarz Carl Adjustable form for making paper boxes
DE2530527A1 (de) * 1975-07-09 1977-01-27 Djerdj Pap Formstempel fuer eine kartonaufricht- und -eckenschliessmaschine
DE4222461A1 (de) * 1992-01-24 1993-07-29 Boix Maquinaria Sa Verbesserungen bei pappschachtel-herstellungsmaschinen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2798416A (en) * 1954-04-19 1957-07-09 Ernest C Clement Box making die
US3978774A (en) * 1974-11-25 1976-09-07 International Paper Company Tray forming machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1826260A (en) * 1929-10-05 1931-10-06 Schwarz Carl Adjustable form for making paper boxes
DE2530527A1 (de) * 1975-07-09 1977-01-27 Djerdj Pap Formstempel fuer eine kartonaufricht- und -eckenschliessmaschine
DE4222461A1 (de) * 1992-01-24 1993-07-29 Boix Maquinaria Sa Verbesserungen bei pappschachtel-herstellungsmaschinen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2342522A1 (es) * 2008-04-07 2010-07-07 Telesforo Gonzalez Olmos Maquina formadora de cajas y/o tapas de carton a partir de plantillas de carton planas, y molde y macho para tal maquina.
ES2342522B1 (es) * 2008-04-07 2011-05-11 Telesforo Gonzalez Olmos Maquina formadora de cajas y/o tapas de carton a partir de plantillasde carton planas, y molde y macho para tal maquina.
CN109094111A (zh) * 2018-09-24 2018-12-28 亚晟（东莞）自动化设备科技有限公司 一种用于固定待装配桶盒的调节模具
CN110001127A (zh) * 2019-04-10 2019-07-12 王荣斌 一种鞋盒自动成型机
CN111361202A (zh) * 2020-03-27 2020-07-03 深圳劲嘉新型智能包装有限公司 一种酒盒包装用定位结构
CN111361202B (zh) * 2020-03-27 2022-04-26 深圳劲嘉新型智能包装有限公司 一种酒盒包装用定位结构

Also Published As

Publication number Publication date
ES2354199T3 (es) 2011-03-10
DE602007009602D1 (de) 2010-11-18
ES2318971A1 (es) 2009-05-01
EP1870232B1 (de) 2010-10-06
ES2318971B1 (es) 2010-02-05
ATE483579T1 (de) 2010-10-15

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