EP2801785A1 - Banc de rechargement de cartouche équilibré - Google Patents

Banc de rechargement de cartouche équilibré Download PDF

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Publication number
EP2801785A1
EP2801785A1 EP14167195.8A EP14167195A EP2801785A1 EP 2801785 A1 EP2801785 A1 EP 2801785A1 EP 14167195 A EP14167195 A EP 14167195A EP 2801785 A1 EP2801785 A1 EP 2801785A1
Authority
EP
European Patent Office
Prior art keywords
working beam
loading machine
cartridge loading
cartridges
rotating shaft
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.)
Ceased
Application number
EP14167195.8A
Other languages
German (de)
English (en)
Inventor
Giorgio Gatti
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.)
EMG Srl
Original Assignee
EMG Srl
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 EMG Srl filed Critical EMG Srl
Publication of EP2801785A1 publication Critical patent/EP2801785A1/fr
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/001—Devices or processes for assembling ammunition, cartridges or cartridge elements from parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/26—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0064—Counterbalancing means for movable press elements

Definitions

  • the invention relates to the field of production and loading lines for cartridges, in particular used in the sports, civil and military field.
  • the invention relates to a machine tool, in particular a loading machine equipped to receive the empty cartridges, fill them with the necessary internal components, seal and pack them.
  • the cartridge loading machines substantially comprise a support frame; means for feeding said empty cartridges; a working beam supporting accessory means for the sequence loading and dosing of the component products of said cartridges; means for advancing and ejecting the cartridges already loaded.
  • the working beam is generally provided with a vertical translational motion and alternately moves between two end positions, corresponding to a working position, which occurs at the lowest height, and to a rest position located at a higher height.
  • Such machines also comprise motor means connected to motion transmission means for the movement of said working beam.
  • the traditional safety devices currently in use in case of an abnormal machine stoppage, for example due to electrical failures with power interruption, provide for the intervention of a parking brake which tries to stop the movement of translation of the working beam in the shortest possible time.
  • the parking brake comes into operation only when activated by the operator or by means of sensors that detect anomalies, but it exerts no constant control on the machine, not providing any guarantee of timely and automatic intervention and providing reduced safety and efficacy.
  • the motion transmission means are directly connected between the motor means and the working beam: disadvantageously, the sudden and accidental breakage of the kinematic motion transmission chain causes the unavoidable falling, without control, of the working beam in its end position located at the lowest height.
  • a further problem of such machines derives from the vibrations that the alternating movement of the working beam induces on the frame and which limits the working speed and the productive potential.
  • the invention aims at overcoming these limits by providing a cartridge loading machine provided with a device which:
  • said dynamic balancing device comprises a shaft rotating about an axis, provided with a plurality of eccentric masses.
  • said motion transmission means are interposed between said motor means and said rotating shaft and said kinematic connecting means are adapted to transfer the motion from said rotating shaft to said working beam, transforming it from rotating to alternating.
  • the inertial rotation of said eccentric masses causes the upward movement of said working beam, compensating for its weight force.
  • the rotation of said eccentric masses is in phase with the translation movement of said working beam.
  • the lower end position of the working beam corresponds with the arrangement of the eccentric masses with center of gravity above the axis of said rotating shaft, while the upper end position of the working beam corresponds to the arrangement of the eccentric masses with the center of gravity below the axis of said rotating shaft.
  • said kinematic connection means comprise at least one connecting rod hinged between said rotating shaft and said working beam.
  • said motion transmission means comprise at least one toothed pulley fitted onto said rotating shaft and at least one toothed pulley fitted onto a drive shaft driven by said motor means, wherein said toothed pulleys are connected to one another by means of a synchronous toothed belt.
  • the main advantage of the invention consists in being able to ensure, in any emergency situation that results from the disconnection of the working beam with the motor means or the stoppage of the latter, by the automatic activation of safety measures essentially consisting in the automatic inertial upward movement of the working beam, the safety of workers who need access to the working area of the machine, to carry out, whenever necessary, processing, loading of material, settings, etc.
  • a further advantage consists in the reduction of vibrations and therefore the possibility of increasing the machine productivity.
  • a cartridge loading machine 1 said cartridges being generally used for hunting or in the sports field, for example, for clay pigeon shooting.
  • Said machine 1 essentially comprises a support frame 4 on which there are provided means 5 for feeding said empty cartridges, means 6 for feeding components to be inserted in said cartridges, a working beam 3, provided with accessory devices 13 adapted to load said cartridges, means 7 for feeding and ejecting the cartridges loaded.
  • Said working beam 3 has a linear development and is movable between two end positions, in particular, it is provided with an alternating movement of vertical translation between an upper rest position and a lower working position, where it allows the loading of the cartridges with the dedicated devices 13.
  • Said machine 1 advantageously comprises a dynamic balancing device 2 of said working beam 3.
  • said dynamic balancing device 2 comprises a shaft 10, rotating about its own axis x and arranged parallel to said working beam 3.
  • Said dynamic balance device 2 is connected to said working beam 3 by kinematic connection means, in particular a pair of connecting rods 12, each hinged at one end of said working beam 3.
  • Said connecting rods 12 are adapted to transfer the motion from said rotating shaft 10, driven by motor means 8 of the machine, to said working beam 3, thus transforming it from rotating to alternating rectilinear motion.
  • Said motion transmission means comprise at least one toothed pulley 9 fitted onto said rotating shaft 10 and at least one toothed pulley 19 fitted onto a drive shaft driven by said motor means 8.
  • Said toothed pulleys 9, 19 are connected to one another by means of a synchronous toothed belt 29.
  • Said eccentric masses 11 rotate integrally with said rotating shaft 10 by generating forces adapted to oppose the direction of the vertical movement of beam 3.
  • the inertia of the balancing device 2 and thus the inertial rotation of said eccentric masses 11, opposes the inertia of said working beam 3, canceling the forces resulting from its translation movement and from its weight.
  • the latter would in fact tend to cause the descent thereof in event of sudden and accidental shutdown of the motor means.
  • the particular embodiment of the dynamic balancing device 2 shown in Figures 2-6 provides for the use of a linear working beam 3 weighing about 75 kg, whose vertical excursion, i.e. the distance between its end upper and lower positions, is approximately equal to 160 mm.
  • eccentric masses 11 shaped as a half-disc, with a diameter of about 135 mm.
  • each mass 11 must have a weight of about 22 kg.
  • the operation of the loading machine 1 and of the relative dynamic balancing device 2 of the working beam 3 is as follows.
  • Said working beam 3 moves synchronized with said rotating shaft 10.
  • the rotation of said eccentric masses 11 is in fact in phase with the translation movement of said working beam 3: the complete movement of ascent and descent of beam 3 corresponds to a 360° rotation of the eccentric masses 11 about axis x of the rotating shaft 10.
  • the lower end position of the working beam 3 corresponds with the arrangement of the eccentric masses 11 with center of gravity 11' above axis x of said rotating shaft 10, as shown in Figure 4
  • the upper end position of the working beam 3 corresponds to the arrangement of the eccentric masses 11 with the center of gravity 11' below axis x of said rotating shaft 10, as shown in Figure 6 .
  • Figure 5 instead refers to an intermediate position of beam 3, for example during the upward movement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Soil Working Implements (AREA)
  • Manipulator (AREA)
EP14167195.8A 2013-05-08 2014-05-06 Banc de rechargement de cartouche équilibré Ceased EP2801785A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000014A ITCR20130014A1 (it) 2013-05-08 2013-05-08 Macchina caricatrice a movimento bilanciato per cartucce

Publications (1)

Publication Number Publication Date
EP2801785A1 true EP2801785A1 (fr) 2014-11-12

Family

ID=48670668

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14167195.8A Ceased EP2801785A1 (fr) 2013-05-08 2014-05-06 Banc de rechargement de cartouche équilibré

Country Status (2)

Country Link
EP (1) EP2801785A1 (fr)
IT (1) ITCR20130014A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105503488A (zh) * 2016-01-18 2016-04-20 中国兵器工业第二一三研究所 一种安全型气动式金属索药剂装填振动机构
WO2018173087A1 (fr) * 2017-03-22 2018-09-27 E.M.G. S.R.L. Machine de chargement pour cartouches ayant une douille métallique
IT201800003209A1 (it) * 2018-03-02 2019-09-02 S E P A Snc Di A Ing Mestriner E C Unità di azionamento di una macchina transfer lineare e macchina transfer lineare per l’assemblaggio di cartucce comprendente tale unità di azionamento

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1602334A (en) * 1926-02-09 1926-10-05 Waterbury Farrel Foundry Co Loading machine
US2325642A (en) * 1940-03-27 1943-08-03 Joseph E Turnock Machine for acting on cartridge cases
US3150558A (en) * 1963-08-16 1964-09-29 Arthur L Welch Combination bullet press and ammunition reloader tool
US3483792A (en) * 1968-01-23 1969-12-16 Charles F Williams Automatic cartridge reloader
FR2094479A5 (en) * 1970-06-23 1972-02-04 Sauvage Jean Claude Filling and closing shot gun cartridges - in machine with conveyor for the cases linked with reciprocating processing sta
US6067886A (en) * 1996-08-02 2000-05-30 The Vision Limited Partnership Machine trim press having counterbalance features

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1602334A (en) * 1926-02-09 1926-10-05 Waterbury Farrel Foundry Co Loading machine
US2325642A (en) * 1940-03-27 1943-08-03 Joseph E Turnock Machine for acting on cartridge cases
US3150558A (en) * 1963-08-16 1964-09-29 Arthur L Welch Combination bullet press and ammunition reloader tool
US3483792A (en) * 1968-01-23 1969-12-16 Charles F Williams Automatic cartridge reloader
FR2094479A5 (en) * 1970-06-23 1972-02-04 Sauvage Jean Claude Filling and closing shot gun cartridges - in machine with conveyor for the cases linked with reciprocating processing sta
US6067886A (en) * 1996-08-02 2000-05-30 The Vision Limited Partnership Machine trim press having counterbalance features

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105503488A (zh) * 2016-01-18 2016-04-20 中国兵器工业第二一三研究所 一种安全型气动式金属索药剂装填振动机构
CN105503488B (zh) * 2016-01-18 2018-08-31 中国兵器工业第二一三研究所 一种安全型气动式金属索药剂装填振动机构
WO2018173087A1 (fr) * 2017-03-22 2018-09-27 E.M.G. S.R.L. Machine de chargement pour cartouches ayant une douille métallique
US10809046B2 (en) 2017-03-22 2020-10-20 E.M.G. Srl Loading machine for cartridges with a metal case
IT201800003209A1 (it) * 2018-03-02 2019-09-02 S E P A Snc Di A Ing Mestriner E C Unità di azionamento di una macchina transfer lineare e macchina transfer lineare per l’assemblaggio di cartucce comprendente tale unità di azionamento

Also Published As

Publication number Publication date
ITCR20130014A1 (it) 2014-11-09

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