EP3656518B1 - Device for die-cutting and ejecting elastomer stoppers - Google Patents

Device for die-cutting and ejecting elastomer stoppers Download PDF

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Publication number
EP3656518B1
EP3656518B1 EP18000912.8A EP18000912A EP3656518B1 EP 3656518 B1 EP3656518 B1 EP 3656518B1 EP 18000912 A EP18000912 A EP 18000912A EP 3656518 B1 EP3656518 B1 EP 3656518B1
Authority
EP
European Patent Office
Prior art keywords
cutting
stoppers
matrix
ejecting
die
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.)
Active
Application number
EP18000912.8A
Other languages
German (de)
French (fr)
Other versions
EP3656518A1 (en
Inventor
José Manuel Hernández Socastro
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.)
Industrias Tecnologicas de Mecanizacion y Automatizacion SA
Original Assignee
Industrias Tecnologicas de Mecanizacion y Automatizacion SA
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 Industrias Tecnologicas de Mecanizacion y Automatizacion SA filed Critical Industrias Tecnologicas de Mecanizacion y Automatizacion SA
Priority to EP18000912.8A priority Critical patent/EP3656518B1/en
Priority to ES18000912T priority patent/ES2864100T3/en
Publication of EP3656518A1 publication Critical patent/EP3656518A1/en
Application granted granted Critical
Publication of EP3656518B1 publication Critical patent/EP3656518B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • 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
    • 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

Definitions

  • the present invention relates to a device for die-cutting and ejecting elastomer stoppers comprising: - a cutting matrix, - a series of punches facing the cavities of the matrix and fastened to a punch holder plate assembled in an upper cutting cross member, with the possibility of vertical movement, and - means for ejecting the stoppers retained in the matrix
  • a device for die-cutting and ejecting elastomer stoppers comprising: - a cutting matrix, - a series of punches facing the cavities of the matrix and fastened to a punch holder plate assembled in an upper cutting cross member, with the possibility of vertical movement, and - means for ejecting the stoppers retained in the matrix
  • a device for die-cutting and ejecting elastomer stoppers comprising: - a cutting matrix, - a series of punches facing the cavities of the matrix and fastened to a punch holder plate assembled in an upper cutting cross member, with the possibility of vertical movement, and
  • This invention is applicable to the field dedicated to the manufacture of elastomer stoppers and has technical characteristics that enable the stoppers to be mechanically ejected and ejecting means to be manually disassembled and replaced in order to adapt them to different formats of the product to be manufactured.
  • Devices used for manufacturing stoppers by die-cutting an elastomer strip that is arranged on a cutting matrix and comprising vertically movable punches and which carry out the die-cutting of the elastomer band when introduced into cavities of the matrix are currently known.
  • the technical problem that is proposed is the development of a device for die-cutting and ejecting elastomer stoppers that ensures the complete ejection of the stoppers and that can be easily adapted to change the format of the product.
  • the device for die-cutting and ejecting elastomer stoppers object of this invention has technical characteristics intended to solve the aforementioned problem; specifically: on one hand, to ensure the ejection of the stoppers, and on the other hand, to quickly change the format of the product.
  • this device comprises means for mechanically extracting the stoppers, consisting of ejectors that pass through the entire cutting system and push the stoppers until freeing them from the lower cutting matrix or tool.
  • ejectors are fastened to an ejector holder plate connected to an actuating cylinder by means of a ball joint fastened to a ball joint extension by means of a detachable flange; enabling said detachable flange to quickly change the format of the product to be manufactured, manually replacing the ejector holder plate.
  • This mechanical ejection ensures that the material is ejected until the end, ensuring that no stopper or any residue from prior production remains housed inside the tool.
  • this device comprises an ejector holder plate (1) wherein the ejectors (2) that pass through an intermediate plate (3) and the punches (4) mounted on a punch holder plate (41) are fastened and which are arranged facing the cavities of a matrix (5) mounted on a matrix holder plate (6).
  • This device comprises an upper cutting cross member (7) on which a support plate (9) of actuating cylinders (10) is assembled by means of supports (8).
  • the cylinder (10) that occupies the central position in the figure is the one responsible for moving the ejector holder plate (2) and is connected to said ejector holder (2) by means of a ball joint (11) and a ball joint extension (12) fastened to said ball joint (11) by means of a detachable flange (13) that enables the disconnection thereof in order to manually replace the ejector holder plate (1) as shown in Figure 2 and to change the format of the product.

Description

    Technical field
  • The present invention relates to a device for die-cutting and ejecting elastomer stoppers comprising: - a cutting matrix, - a series of punches facing the cavities of the matrix and fastened to a punch holder plate assembled in an upper cutting cross member, with the possibility of vertical movement, and - means for ejecting the stoppers retained in the matrix An example of such a device is disclosed in US 3217574 .
  • This invention is applicable to the field dedicated to the manufacture of elastomer stoppers and has technical characteristics that enable the stoppers to be mechanically ejected and ejecting means to be manually disassembled and replaced in order to adapt them to different formats of the product to be manufactured.
    • Background art
  • Devices used for manufacturing stoppers by die-cutting an elastomer strip that is arranged on a cutting matrix and comprising vertically movable punches and which carry out the die-cutting of the elastomer band when introduced into cavities of the matrix are currently known.
  • One of the drawbacks of this type of device is the risk that the elastomer stoppers or residue are retained in the cavities of the matrix, the ejection thereof being necessary.
  • In this this type of device, it is common to use pneumatic means to eject the stoppers once they are cut, each punch having pneumatic elements for projecting compressed air and accomplishing ejection by blowing said stoppers or scraps that may be retained in the matrix.
  • These pneumatic ejectors do not provide the necessary safety when removing the stoppers and, given the type of installation, they also do not allow for the interchangeability of the system. This means that said devices have limits on producing stoppers of different sizes, in other words, they are only capable of producing one type of stopper, making the machine unadaptable and as a result, not very versatile.
  • The applicant of the present invention is unaware of the existence of prior art that solves the problem set forth previously.
  • Therefore, the technical problem that is proposed is the development of a device for die-cutting and ejecting elastomer stoppers that ensures the complete ejection of the stoppers and that can be easily adapted to change the format of the product.
    • Description of the invention
  • The device for die-cutting and ejecting elastomer stoppers object of this invention has technical characteristics intended to solve the aforementioned problem; specifically: on one hand, to ensure the ejection of the stoppers, and on the other hand, to quickly change the format of the product.
  • To do so, and according to the invention, this device comprises means for mechanically extracting the stoppers, consisting of ejectors that pass through the entire cutting system and push the stoppers until freeing them from the lower cutting matrix or tool.
  • These ejectors are fastened to an ejector holder plate connected to an actuating cylinder by means of a ball joint fastened to a ball joint extension by means of a detachable flange; enabling said detachable flange to quickly change the format of the product to be manufactured, manually replacing the ejector holder plate.
  • These mechanical ejection means prevent possible production contamination since said device is intended to cut different materials and each material has a specific purpose, for example, in the pharmaceutical industry.
  • This mechanical ejection ensures that the material is ejected until the end, ensuring that no stopper or any residue from prior production remains housed inside the tool.
  • Therefore, with this device the cutting system that is required is successfully adapted, improving productivity and creating a universal and versatile machine that can work with different formats.
    • Brief description of the content of the drawings
  • As a complement to the description provided herein, and for the purpose of helping to make the characteristics of the invention more readily understandable, the present specification is accompanied by a set of drawings, which, by way of illustration and not limitation, represent the following:
    • Figure 1 shows a schematic elevation view of an exemplary embodiment of the device for die-cutting and ejecting elastomer stoppers according to the invention.
    • Figure 2 shows a view similar to the preceding figure wherein the ball joint extension has been disassembled in order to change the format of the product, manually replacing the ejector holder plate.
    Detailed description of embodiments of the invention
  • As can be seen in Figure 1, this device comprises an ejector holder plate (1) wherein the ejectors (2) that pass through an intermediate plate (3) and the punches (4) mounted on a punch holder plate (41) are fastened and which are arranged facing the cavities of a matrix (5) mounted on a matrix holder plate (6).
  • This device comprises an upper cutting cross member (7) on which a support plate (9) of actuating cylinders (10) is assembled by means of supports (8).
  • The cylinder (10) that occupies the central position in the figure is the one responsible for moving the ejector holder plate (2) and is connected to said ejector holder (2) by means of a ball joint (11) and a ball joint extension (12) fastened to said ball joint (11) by means of a detachable flange (13) that enables the disconnection thereof in order to manually replace the ejector holder plate (1) as shown in Figure 2 and to change the format of the product.
  • Having sufficiently described the nature of the invention, in addition to an example of a preferred embodiment, it is hereby stated for the relevant purposes that the materials, shape, size and layout of the described elements may be modified, provided that it does not imply altering the essential characteristics of the invention as claimed below.

Claims (1)

  1. A device for die-cutting and ejecting elastomer stoppers comprising: - a cutting matrix (5), - a series of punches (4) facing cavities of the cutting matrix (5) and fastened to a vertically movable punch holder plate (41), and - ejection means of the stoppers retained in the matrix; characterised in that the ejection means consist of ejectors (2) that pass through the punches (4) and are arranged facing the cavities of the cutting matrix (5) for mechanically extracting the stoppers, said ejectors (2) being fastened to an ejector holder plate (1) connected to an actuating cylinder (10) by means of a ball joint (11) and a ball joint extension (12) that is fastened to said ball joint (11) by means of a detachable flange (13) that enables the disconnection thereof in order to manually replace the ejector holder plate (1).
EP18000912.8A 2018-11-20 2018-11-20 Device for die-cutting and ejecting elastomer stoppers Active EP3656518B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18000912.8A EP3656518B1 (en) 2018-11-20 2018-11-20 Device for die-cutting and ejecting elastomer stoppers
ES18000912T ES2864100T3 (en) 2018-11-20 2018-11-20 Device for punching and ejecting elastomer caps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18000912.8A EP3656518B1 (en) 2018-11-20 2018-11-20 Device for die-cutting and ejecting elastomer stoppers

Publications (2)

Publication Number Publication Date
EP3656518A1 EP3656518A1 (en) 2020-05-27
EP3656518B1 true EP3656518B1 (en) 2021-01-20

Family

ID=64564534

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18000912.8A Active EP3656518B1 (en) 2018-11-20 2018-11-20 Device for die-cutting and ejecting elastomer stoppers

Country Status (2)

Country Link
EP (1) EP3656518B1 (en)
ES (1) ES2864100T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113218724A (en) * 2021-03-19 2021-08-06 蓝超洋 Boron powder heat value test sample preparation device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217574A (en) * 1964-01-24 1965-11-16 Abbott Lab Apparatus for shearing an elastomeric cellular material
DE2716278A1 (en) * 1977-04-13 1978-10-26 Stiegler Maschf Felix DEVICE FOR PUNCHING TRACKS
IT1135615B (en) * 1981-02-25 1986-08-27 Angelo Bartesaghi FLAT DIE CUTTER
FR2553700B1 (en) * 1983-10-25 1988-01-22 Dubrasquet Solange HUNTING BOWL CUTTING MACHINE

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3656518A1 (en) 2020-05-27
ES2864100T3 (en) 2021-10-13

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