EP0717006A1 - Dispositif pour ouvrir des récipients fermés avec un bouchon - Google Patents

Dispositif pour ouvrir des récipients fermés avec un bouchon Download PDF

Info

Publication number
EP0717006A1
EP0717006A1 EP94309309A EP94309309A EP0717006A1 EP 0717006 A1 EP0717006 A1 EP 0717006A1 EP 94309309 A EP94309309 A EP 94309309A EP 94309309 A EP94309309 A EP 94309309A EP 0717006 A1 EP0717006 A1 EP 0717006A1
Authority
EP
European Patent Office
Prior art keywords
plug
tab
rocking
opening
gripping mechanism
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.)
Withdrawn
Application number
EP94309309A
Other languages
German (de)
English (en)
Inventor
Susumu Nishikawa
Mariko Ikuma
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.)
System Stack Co Ltd
Original Assignee
System Stack Co Ltd
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 System Stack Co Ltd filed Critical System Stack Co Ltd
Priority to EP94309309A priority Critical patent/EP0717006A1/fr
Publication of EP0717006A1 publication Critical patent/EP0717006A1/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/02—Hand- or power-operated devices for opening closed containers for removing stoppers

Definitions

  • the present invention concerns a plug-opening device for a sealed container and, in particular, it relates to a plug-opening device for opening a sealing type plug having a plug-opening tab.
  • a vacuum blood sampling tube which has an opening which is sealed with a rubber plug having an aluminum foil
  • blood sampled from a human body is injected into the sealed sampling tube by penetrating an injection needle through a rubber portion of the plug.
  • the plug of the vacuum sampling tube is opened enabling a blood specimen sample to be taken.
  • the present invention has been accomplished in view of the foregoing situations and it is an object of the present invention to provide a plug-opening device for a sealed container capable of reliably opening a sealing type plug by detaching the same from a sealed container with no finger contact with the plug.
  • a plug-opening device for a sealed type container an opening of which is sealed with a sealing plug having a plug-opening tab comprising a gripping mechanism for gripping the tab of the sealed container at a plug-opening position; and a plug-opening mechanism for moving the gripping mechanism passing through a position above the sealed container obliquely and upwardly on the side opposite to the position for the tab.
  • the gripping mechanism comprises a chuck that opens and closes vertically for gripping the tab and a driving source for driving the chuck.
  • An electromagnetic driving source or a hydraulic driving source is preferably used for the driving source.
  • the gripping mechanism preferably comprises a support member secured to the plug-opening mechanism, a grip member that vertically penetrates the support member for seizing the tab between a chuck at the lower end and the lower surface of the support member and a spring normally biasing the grip member upwardly, in which the gripping mechanism is released by a driving mechanism for depressing the upper end of the grip member.
  • the plug-opening mechanism preferably has a rocking member of an inverted L-shaped configuration capable of rocking around a lower end as a fulcrum in a direction approaching to and away from the sealed container
  • the driving mechanism preferably comprises a rocking rod secured at a lower end to a driving shaft passing through the fulcrum of the rocking member and driven to rock in the same direction as the rocking member, an interlock pin against which the rocking rod abuts upon rocking in the direction away from the sealed container and which transmits the rocking force of the rocking rod to the rocking member; and a rocking cam pivoted to the upper end of the rocking member, connected at an upper end by way of a link to the upper end of the rocking rod and depressing the upper end of the gripping member by the cam face.
  • the plug-opening mechanism comprises; a guide cam hole that engages the gripping mechanism having a chuck driving portion and guides the gripping mechanism obliquely and upwardly from the position of the tab of the sealed container to a plug-opening position on the side opposite to the tab and a driving member for guiding the gripping mechanism reciprocally along the guide cam hole.
  • the plug-opening mechanism comprises a hydraulically actuating cylinder having a stroke extensible from the position of the tab of the sealed container to a plug-opening position obliquely and upwardly on the side opposite to the tab, and a gripping mechanism having a chuck driving portion is attached to the top end of a cylinder rod of the cylinder.
  • the moving trace of the gripping mechanism preferably overlaps partially with the bending trance of the tab at a position above the sealed container.
  • the gripping mechanism that opens and closes vertically is adapted to move through a position above the sealed container obliquely and upwardly on the side opposite to the tab by the plug-opening mechanism, the tab is chucked in the vertical direction and pulled obliquely and upwardly in the direction opposite to that of the tab. Therefore, the plug is automatically detached from the opening as if it were peeled off by fingers and thus the plug is opened reliably and surely.
  • the gripping mechanism comprises a chuck that opens and closes vertically for gripping the tab and a driving source for driving the chuck, it is possible to surely grip the tab even if the tab does not extend horizontally from the plug but is bent somewhat vertically.
  • an electro-magnetically driving source or a hydraulically driving source is used for the driving source, the constitution of the device can be simplified.
  • the gripping mechanism comprises a support member, a grip member and a spring
  • the gripping mechanism is adapted to open by the driving mechanism, It is no longer always necessary to move the gripping mechanism and the driving mechanism integrally.
  • a rocking member is disposed to the plug-opening mechanism and the driving mechanism comprises a rocking rod, an interlock pin and a rocking cam, all the operations can be conducted by merely rocking the rocking rod.
  • the plug-opening mechanism comprises a hydraulically actuating cylinder in which a gripping mechanism is attached to the top end of a cylinder rod having an extensible stroke from the position of the tab when the container is sealed, obliquely and upwardly in the direction opposite to that of the tab, the gripping mechanism can be moved along a predetermined trace by merely extending and contracting the cylinder rod.
  • Figs. 1 and 2 show a plug-opening device for a sealed container in a first embodiment according to the present invention.
  • the plug-opening device comprises a mounting substrate 2 held vertically on four setting legs 1.
  • the mounting substrate 2 has, attached thereon, a securing mechanism 4 for a sealed container 3, a gripping mechanism 6 for gripping a tab 5a of a plug 5 that seals an opening of the sealed container 3 and a plug-opening mechanism 7 for moving the gripping mechanism 6 along a predetermined trace to be described later for opening the plug 5, respectively.
  • the securing mechanism 4 comprises a receiving stand 8 that supports the lower end of the sealed container 3 for positioning the sealed container 3 vertically, and two holders 9 for holding the sealed container 3 at an intermediate vertical portion.
  • a leaf spring is incorporated to each of the holders 9, so that the sealed container 3 is snap-fitted to each of the holders 9 and held stably by enforcing the sealed container 3 laterally from the right in Fig. 1.
  • the gripping mechanism 6 comprises a support member 10 fixed to the plug-opening mechanism 7 to be detailed later and a grip member 11 that penetrates the support member 10 vertically.
  • a chuck 12 of an inverted frustconical shape is secured to the lower end of the grip member 11 for seizing the tab 5a between it and the lower surface of the support member 10.
  • An upper end flange 15 secured to the upper end of the grip member 11 and is adapted to be depressed by a driving mechanism 13 and a driving member 14 to be described later.
  • a spring 16 is interposed between the upper flange 15 of the grip member 11 and the support member 11 for normally biasing the grip member 11 upwardly.
  • the gripping mechanism 6 is usually put under a chuck-closed state by the resilient force of the spring 16.
  • the plug-opening mechanism 7 has a rocking member 17 of an inverted L-shaped configuration capable of rocking around the lower end as a fulcrum in the directing approaching to and away from the sealed container 3.
  • the driving mechanism 13 is disposed on the front side of the rocking member 17 and the driving member 14 is secured to the mounting substrate 2 at a position above the rocking member 17.
  • the driving mechanism 13 has a driving shaft 18 that passes through the fulcrum of the rocking member 17 and pivotally supporting the rocking member 17.
  • a handle 19 is secured to the end of the driv ing shaft 18 at the back of the mounting substrate 2 for driving the driving shaft 18, and a lower end of a rocking rod 20 is secured to the end of the driving shaft 18 on the front side of the mounting substrate 2.
  • the rocking rod 20 is adapted to rock in the same direction as the rocking member 17 by manipulating the driving handle 19.
  • an interlock pin 21 that transmits the rocking force of the rocking rod 20 to the rocking member 17 and a stopper pin 22 that restricts the rocking range of the rocking rod 20 to the side of the sealed container 3 are attached, respectively, on both lateral sides of the rocking rod 20 of the rocking member 17.
  • Each of the pins 21 and 22 has an eccentric circular cam structure so that a timing abutting against the rocking rod 20 can be adjusted finely.
  • the range for the rocking movement of the rocking member 17 toward the sealed container 3 is restricted by a stopper pin 23 attached to the substrate 2.
  • the stopper pin 23, like the stopper pin 22, has an eccentric circular cam structure so that the timing abutting against the rocking member 17 can be adjusted finely.
  • a rocking cam 24 generally of a trigonal shape is pivoted at a lower end by way of a fulcrum pin 25.
  • the upper end of the rocking cam 24 is connected by way of a link 26 to the upper end of the rocking rod 20.
  • a cam face 24a of the cam 24 is brought into contact with the upper surface of the upper end flange 15 of the grip member 11 of the gripping mechanism 6.
  • the driving member 14 is formed as a plate cam, against which the upper end flange 15 of the grip member 11 of the gripping mechanism 6 abuts when the rocking member 17 rocks counterclockwise in Fig. 1 and is depressed against the spring 16 to put the gripping mechanism 6 under the chuck-open state, so that the plug 5 seized between the chuck 12 and the support member 10 is released from gripping and allowed to drop downwardly.
  • the range for the rocking movement of the rocking member 17 in the counterclockwise direction is restricted by the abutment of the upper end flange 15 against a guide cylinder 27 that is erected on the upper surface of the support member 10 and guides the vertical movement of the grip member 11.
  • the sealed container 3 Upon opening a plug, the sealed container 3 is at first mounted and secured to the securing mechanism 4 as shown in Fig. 3. In this instance, the tab 5a of the plug 5 is situated to the right in the drawing as shown in Fig. 3.
  • the device returns to the state shown in Fig. 3 and the foregoing operations are repeated to successively open the sealed containers 3.
  • the plug 5 can surely be peeled and removed by merely rotating the driving handle 19 and there is no worry that obstacles should intrude into the sealed container 3 upon opening the plug 5.
  • automation can also be attained, for example, by connecting a motor-rotated arm with the driving handle 19 by means of a crank, so that the driving handle 19 is caused to rock for a predetermined angle by one rotation of the motor.
  • Figs. 11 and 12 show a second embodiment of the present invention, in which a gripping mechanism 36 and a plug-opening mechanism 37 are used instead of the gripping mechanism 6 and the plug-opening mechanism 7 in the first embodiment described above.
  • the gripping mechanism 36 comprises, as shown in Fig. 11, a chuck 38 which opens and closes vertically for gripping a tab 5a and a driving source 39 for driving the chuck 38 by a fluid pressure or electromagnetic force.
  • the plug-opening mechanism 37 comprises, as shown in Figs. 11 and 12, two guide pins 40a and 40b protruding at the back of the driving source 39, a long guide cam hole 41 formed to a mounting substrate 2 and a driving member 42 for moving the gripping mechanism 36 along the guide cam hole 41. Then, in the embodiment shown in Figs. 11 and 12, a rocking arm 42' is used as the driving member 42 in the embodiment shown in Figs 11 and 12.
  • the two guide pins 40a, 40b protruding at the back of the gripping mechanism 36 are fitted into and engaged with the guide cam hole 41, and the guide pins 40a, 40b are engaged to an engaging hole 43 of the rocking arm 42' supported pivotally by the driving shaft 18.
  • rocking movement of the rocking arm 42' causes the gripping mechanism 36 that engages therewith by way of the guide pins 40a, 40b, to move along the guide cam hole 41 while being kept at a constant attitude.
  • Fig. 13 shows a third embodiment of the present invention.
  • a gripping mechanism 46 has a constitution of opening and closing a chuck 52 by a hydraulically or electromagnetically driving source 49 and a hydraulically actuating cylinder 60 is provided as a plug-opening mechanism 47 for reciprocating the gripping mechanism 46 from a position for the tab 5a of the container 3 obliquely and upwardly on the side opposite to the tab position.
  • the cylinder 60 for the plug-opening mechanism 47 is mounted by way of a bearing portion 62 capable of freely adjusting an angle to a frame 61 situated obliquely upwardly of the sealed container 3 at a plug-opening position, and the gripping mechanism 46 is attached to the top end of a cylinder rod 63.
  • the gripping mechanism 46 at the top end of the cylinder rod 63 is disposed at such an angle and an extensible stroke as capable of linearly moving from a position for the tab of the container 3 at a plug-opening position obliquely and upwardly on the side opposite to the tab position.
  • the gripping mechanism 46 is moved through a portion above the top end of the container 3 obliquely and upwardly on the opposite side by a contracting stroke of the cylinder rod 63, by which the tab 5a is detached from the container 3 and transferred together with the gripping mechanism 46 obliquely and upwardly.
  • reference numeral 65 denotes a tab position amending device that detects the tab 5a of the plug 5 while rotating the container 3 around its axis by a horizontally rotational roller 66 and adjusts the tab 5a to a predetermined direction
  • a reference numeral 67 denotes an attitude amending device that turns up the tab 5a of the plug 5 at a plug-opening position in the horizontal direction by a vertically rotational brush 68.
  • the tab 5a of the sealed container 3 placed at random is always directed to the chucking position of the gripping mechanism 46 by the attitude amending device 67 and the tab position amending device 65.
  • the tab 5a may some time be bent downwardly by the top end of the chuck 52, making it impossible to grip the tab 5a.
  • a sliding mechanism 69 for moving the gripping mechanism 46 horizontally at a position for the tab of the container 3.
  • the slide mechanism 69 may have a structure in which a base 70 of a plug-opening mechanism 47 is to a hopper 64 slidably in the horizontal direction, and a base 70 itself of the plug-opening mechanism 47 is moved horizontally, for example, by a driving device (not illustrated) having a feed screw 72 rotated forwardly and backwardly by a servomotor 71.
  • a driving device not illustrated
  • it may have a structure in which the gripping mechanism 46 is slidably engaged to a horizontal frame at the top end of the cylinder rod 63 and moved horizontally by a driving device (not illustrated).
  • the top end at each of the chucks 12, 38, 52 for seizing the tab 5a is made into an acute angle, so that area of contact with the tab 5a and the chuck is made smaller when the latter lowers to thereby facilitate return of the tab 5a by its rebounding force to the upper side on each of the chucks 12, 38, 52.
  • a plurality of sealed containers can be opened simultaneously or in an interlocking manner by using a plurality sets of the plug-opening units.
  • a plurality of sealed containers 3 may be arranged at a predetermined interval to the left of Fig. 2 and a plurality of rocking members 17 may be disposed corresponding thereto, so that a plurality of sealed container 3 can be opened simultaneously by using a single driving shaft 18.
  • the gripping mechanism for gripping the tab of the plug is adapted to move passing through a posi tion above the sealed container obliquely and upwardly on the side opposite to the tab by the plug-opening mechanism, the plug can be detached from the opening as if it were peeled off by fingers thereby enabling to open the plug surely.
  • the gripping mechanism comprises a chuck that opens and closes vertically for gripping the tab and a driving source for driving the chuck, the tab can be gripped surely even if it does not extend horizontally but is bent somewhat vertically.
  • the constitution of the device can be simplified by using an electromagnetically or hydraulically driving source as the driving source.
  • the gripping mechanism comprises a support member, a grip member and a spring, in which the gripping mechanism is opened by a driving mechanism, there is no more necessary to always move the gripping mechanism and the driving mechanism integrally.
  • a rocking member is disposed to the plug-opening mechanism and the driving mechanism comprises a rocking rod, an interlock pin, and a rocking cam, all the operations can be conducted by merely rocking the rocking rod.
  • the device when a cylinder is used for the plug-opening mechanism that moves the gripping mechanism, the device may be made compact and the operation can be made smooth.
  • the tab bent upwardly from the plug can be gripped after turning it down in the horizontal direction by the gripping mechanism and can be gripped more reliably.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Opening Bottles Or Cans (AREA)
EP94309309A 1994-12-13 1994-12-13 Dispositif pour ouvrir des récipients fermés avec un bouchon Withdrawn EP0717006A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP94309309A EP0717006A1 (fr) 1994-12-13 1994-12-13 Dispositif pour ouvrir des récipients fermés avec un bouchon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94309309A EP0717006A1 (fr) 1994-12-13 1994-12-13 Dispositif pour ouvrir des récipients fermés avec un bouchon

Publications (1)

Publication Number Publication Date
EP0717006A1 true EP0717006A1 (fr) 1996-06-19

Family

ID=8217943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94309309A Withdrawn EP0717006A1 (fr) 1994-12-13 1994-12-13 Dispositif pour ouvrir des récipients fermés avec un bouchon

Country Status (1)

Country Link
EP (1) EP0717006A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101905847A (zh) * 2010-07-29 2010-12-08 江苏康健医疗用品有限公司 试管封头盖自动开启装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3141780A1 (de) * 1981-10-21 1983-05-11 BNA-Augustin GmbH & CO KG, 7631 Kappel Automatisch arbeitende vorrichtung zum entfernen von gummiverschlussstopfen von behaelterroehrchen fuer analysegeraete
US5340544A (en) * 1992-06-22 1994-08-23 System Stack Co., Ltd. Plug-opening device for a specimen container

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3141780A1 (de) * 1981-10-21 1983-05-11 BNA-Augustin GmbH & CO KG, 7631 Kappel Automatisch arbeitende vorrichtung zum entfernen von gummiverschlussstopfen von behaelterroehrchen fuer analysegeraete
US5340544A (en) * 1992-06-22 1994-08-23 System Stack Co., Ltd. Plug-opening device for a specimen container

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101905847A (zh) * 2010-07-29 2010-12-08 江苏康健医疗用品有限公司 试管封头盖自动开启装置

Similar Documents

Publication Publication Date Title
US5481946A (en) Plug-opening device for sealed container
CN100396379C (zh) 管塞拔出装置
CA2796902C (fr) Procede et appareil pour boucher des flacons
US10899558B2 (en) Bottle neck gripper
JP4245679B2 (ja) バー材送り装置
US6106781A (en) Conveying system for analytical samples
EP1273920A3 (fr) Dispositif d'analyse avec moyen d'introduction automatique d'un fluide de référence
JP2981952B2 (ja) 自動包装機の開袋ガイド装置
EP0717006A1 (fr) Dispositif pour ouvrir des récipients fermés avec un bouchon
JP3922907B2 (ja) 試料撹拌装置
EP0587916A1 (fr) Procede et appareil d'amenee de pieces
CN111792597A (zh) 试管封盖装配设备及封盖装配方法
CN109109010A (zh) 一种容器夹取控制装置及方法
US4294000A (en) Machine for inserting electronic components
JP3359741B2 (ja) 密封容器の開栓装置
KR910013147A (ko) 카세트 삽입장치
JPH0731603U (ja) プラスチックフィルム自動包装機械のグリッパ
KR100346133B1 (ko) 정식기의 곡선슬라이드식 모 취출 및 공급장치
JPH0717488U (ja) チャック
JPS5815287Y2 (ja) ダンボ−ル箱のフラップ開放装置
US5136824A (en) Apparatus for closing packaging sheaths made of flexible material
JPS63133916A (ja) 苗移植機における植付装置
JPH06144429A (ja) ボックスの蓋開閉装置
JPS5939614A (ja) 容器の方向揃え装置
JPH0777144B2 (ja) Ｉｃソケット

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB IT NL

17P Request for examination filed

Effective date: 19961115

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 19980515

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19981201