US3566659A - Horizontal extrusion presses - Google Patents

Horizontal extrusion presses Download PDF

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Publication number
US3566659A
US3566659A US779897A US3566659DA US3566659A US 3566659 A US3566659 A US 3566659A US 779897 A US779897 A US 779897A US 3566659D A US3566659D A US 3566659DA US 3566659 A US3566659 A US 3566659A
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US
United States
Prior art keywords
container
press
holder
receiving member
cradle
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.)
Expired - Lifetime
Application number
US779897A
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English (en)
Inventor
Ian Lewis Cameron
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.)
Fielding Plant Design Ltd
Original Assignee
Fielding Plant Design 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 Fielding Plant Design Ltd filed Critical Fielding Plant Design Ltd
Application granted granted Critical
Publication of US3566659A publication Critical patent/US3566659A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/21—Presses specially adapted for extruding metal
    • B21C23/212—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/21—Presses specially adapted for extruding metal
    • B21C23/212—Details
    • B21C23/214—Devices for changing die or container

Definitions

  • a horizontal extrusion press including a transfer arrangement for the rapid and convenient removal of a press container and its replacement by another without recourse to the use of an overhead crane, the said transfer arrangement being brought into accurate location at the centreline of the press and the container being axially slidably removed from its holder on to the transfer arrangement where it is supported. After removal from the holder, the container is next moved downwards below the press columns and then away from the press to an outside station.
  • This invention relates to horizontal extrusion presses and in particular to container transfer means therefor.
  • the container In existing presses the container is normally removed by means of an overhead crane, the crane itself or another means being used to support the container during its axial movement out of the container holder.
  • To load a new container into its holder is an even more difficult operation than container removal since the container is usually located by and supported on rectangular keys which are a close fit in both container and holder.
  • the container to be located must therefore be brought accurately to the press centre line and accurately located relative to the container holder before it can be axially moved into the holder.
  • a horizontal extrusion press having transfer means for re- Patented Mar. 2, 1971 moving a press container from a container holder; said transfer means including a container receiving member, said member being transversely reciprocable with respect to the extrusion axis of the press between a first position, in which the container may be transferred from the press to the receiving member, and a second lower position, and transporting means for removing the container from the said lower position, said transporting means being transversely movable with respect to the extrusion axis of the press.
  • the receiving member may be permanently mounted in the transporting means. Conveniently the receiving member may be slidably mounted in the transporting means for movement between its two positions.
  • the receiving member may be mounted on transversely orientated guideways secured to the transporting means. Preferably the receiving member may be vertically reciprocable and the transporting means horizontally movable.
  • the transporting means may be reciprocably movable between a first location in which the receiving member may be reciprocated between its two positions and a second location which is sufficiently remote from the extrusion axis to allow container changing to be facilitated.
  • the receiving member may be provided with container supporting surfaces which are arranged, in use, slidably to receive and to support the container during its removal from the container holder.
  • Relative axial movement between the receiving mem ber and the container holder during transference of the container may be prevented by means of engageable hook means provided on the holder and the receiving member respectively.
  • a method of removing a press container from a container r holder of a horizontal extrusion press in which container transfer means are arranged to receive and support the container during its removal from the container holder including the steps of transversely moving the transfer means from a first position, in which the container is transferred, to a second lower position from which the container is moved by transporting means, which are transversely movable with respect to the extrusion axis of the press, to a location which is sufiiciently remote from the extrusion axis to allow container changing to be facilitated.
  • FIG. 1 shows a diagrammatic and elevation of a horizontal extrusion press, partly in section
  • FIG. 2 shows a partial side elevation of the press, partly in section, as seen along the direction of the arrow II in FIG. 1.
  • the press includes a cylindrical container 1 mounted in a holder 2, the container being provided with rectangular keys 3 which slidably engage with correspondingly shaped guides 4 in the holder to ensure correct alignment of the container in the holder.
  • a container transfer arrangement consisting of a trolley 6, the wheels 7 of which ride along respectively horizontally disposed rails 8.
  • the trolley is provided with a cradle 9 having lugs 10 which are arranged for sliding movement in four vertical guideways 11 mounted on the trolley.
  • the cradle is secured to the end of the piston rod 12 of a hydraulic cylinder 13 mounted on the trolley, actuation of which provides reciprocal movement of the cradle within the guideways.
  • This piston cylinder arrangement could, of course, be replaced by for example, a screw jack, a rack and pinion or a pulley system, etc.
  • Two supports 14 are provided on the cradle each of which is formed with a curved surface 15, the radius of curvature of which is the same as the outside radius of the container body.
  • a guide channel 16 is formed between the two supports which is adapted to receive one of the rectangular keys 3 when a container is positioned on the supports.
  • the trolley 6 When it is required to perform a container changing operation the trolley 6 is traversed along the rails 8 until it abuts a buffer 17 mounted on the wall of the pit 5, in which position it is symmetrically disposed beneath the press as shown in FIG. 1.
  • the cylinder 13 is then actuated to move the cradle 9 upward to the broken line position shown in FIG. 1. In this position the axis of the imaginary cylinder on which the surfaces 15 lie is co-linear with the extrusion axis of the press and consequently on axial withdrawal of the container from the holder, the lowest of the rectangular keys 3, Will engage in the channel 16 whilst the outer surface of the container itself will be in nesting engagement with the surfaces 15.
  • withdrawal is effected by attaching the container to a movable cross-head 18 by links 19 and using the return cylinders, not shown, of the press.
  • a hook 20 formed on the cradle engages with a hook 21 formed on the holder 2, see FIG. 2.
  • the trolley is then traversed to a position away from the centreline of the press, such as a toolroom or toolstore, not shown, which may be located, for example, in an adjoining building.
  • the container may then be removed and replaced by a different one, whereupon the above sequence of operations is reversed to insert the new container into the container holder.
  • two trolleys could be used, one of which is stationed at a point away from and at one side'of the press and which can be traversed to the centreline of the press with a different container as soon as the trolley carrying the container that has just been used on the press has been moved from the centreline to a point away from and at the other side of the press.
  • An alternative method of transfer is achieved by installing a cradle which can only be moved up to and down from the centreline of the press, lateral movement being prevented.
  • the trolley is traversible over the cradle and is formed so that the cradle may be raised or lowered there-through whilst the trough passage of the con tainer is prohibited. Consequently, when a container has been transferred to the cradle and is being lowered it is deposited on the trolley, whereas the cradle is retracted through the trolley. Similarly, when a different container is brought into place above the retracted cradle, the latter is passed through the trolley to pick up the container and move it to its upper position.
  • One or two trolleys may be used as in the previously described method.
  • An advantage of the transfer arrangement described above is that it facilitates rapid and accurate location of a container at the centreline o htef press ready for axial movement into the container holder. Furthermore, it ensures rapid and convenient removal of one container from the press and its replacement by another without recourse to the use of an overhead crane which allows the latter to be used for other purposes whilst container changing is in progress.
  • An advantage of locating the transfer arrangement below the level of the press is that it provides a rapid and convenient means of container changing which does not result in the handling or storage of large and heavy tools within the production Workshop, and consequently, a means of storing such tools Within either a cellar beneath the production workshop floor or in an adjoining bay.
  • a horizontal extrusion press having transfer means for removing a press container from a container holder
  • said transfer means including a container receiving member, said member being transversely reciprocable with respect to the extrusion axis of the press between a first position, in which the container is in alignment with the extrusion axis so that the container may be transferred from the container holder to the receiving member, and a second lower position, and transporting means for removing the container from the said lower position, said transporting means being substantially horizontally movable transversely with respect to the extrusion axis of the press.
  • a press as claimed in claim 2 in which the said receiving member is slidably mounted in the said transporting means for movement between its two positions.
  • a press as claimed in claim 3 in which the said receiving member is mounted on transversely orientated guideways secured to the said transporting means 5.
  • a press as claimed in claim 1 in which the said re
  • a press as claimed in claim 1 in which the said transporting means is reciprocable movable between a first location in which the said receiving member may be reciprocated between its two positions and a second location which is sufliciently remote from the extrusion axis to allow container changing to be facilitated.
  • a press as claimed in claim 1 in which the said receiving member is provided 'with container supporting surfaces which are arranged, in use, slidably to receive and support the container during its removal from the container holder.
  • a press as claimed in claim 1 in which relative axial movement between the said container receiving member and the said holder during transference of the container is prevented by means of engageable hook means provided on the holder and the container receiving member respectively.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Extrusion Of Metal (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Warehouses Or Storage Devices (AREA)
US779897A 1967-12-01 1968-11-29 Horizontal extrusion presses Expired - Lifetime US3566659A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5486167 1967-12-01

Publications (1)

Publication Number Publication Date
US3566659A true US3566659A (en) 1971-03-02

Family

ID=10472284

Family Applications (1)

Application Number Title Priority Date Filing Date
US779897A Expired - Lifetime US3566659A (en) 1967-12-01 1968-11-29 Horizontal extrusion presses

Country Status (4)

Country Link
US (1) US3566659A (enrdf_load_stackoverflow)
DE (1) DE1810863A1 (enrdf_load_stackoverflow)
FR (1) FR1593887A (enrdf_load_stackoverflow)
GB (1) GB1226750A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688543A (en) * 1970-11-12 1972-09-05 Wean Ind Inc Extrusion presses
US4781053A (en) * 1986-03-05 1988-11-01 Stewart Charles L Indirect extrusion process and machinery therefor
DE102007009668B4 (de) * 2006-05-23 2012-10-31 Technoplan Projektplanung Produktentwicklung Vertrieb Gmbh Unterbauleiste für den Außenbereich, z.B. für Balkone oder Terrassen
US20130187303A1 (en) * 2011-12-02 2013-07-25 Exco Technologies Limited Extrusion die pre-heating system, apparatus and method
CN112496066A (zh) * 2020-11-18 2021-03-16 无锡市威特机械有限公司 双动挤压机模具转动装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688543A (en) * 1970-11-12 1972-09-05 Wean Ind Inc Extrusion presses
US4781053A (en) * 1986-03-05 1988-11-01 Stewart Charles L Indirect extrusion process and machinery therefor
DE102007009668B4 (de) * 2006-05-23 2012-10-31 Technoplan Projektplanung Produktentwicklung Vertrieb Gmbh Unterbauleiste für den Außenbereich, z.B. für Balkone oder Terrassen
US20130187303A1 (en) * 2011-12-02 2013-07-25 Exco Technologies Limited Extrusion die pre-heating system, apparatus and method
US9346210B2 (en) * 2011-12-02 2016-05-24 Exco Technologies Limited Extrusion die pre-heating system, apparatus and method
US20160250674A1 (en) * 2011-12-02 2016-09-01 Exco Technologies Limited Extrusion Die Pre-Heating System, Apparatus And Method
CN112496066A (zh) * 2020-11-18 2021-03-16 无锡市威特机械有限公司 双动挤压机模具转动装置

Also Published As

Publication number Publication date
GB1226750A (enrdf_load_stackoverflow) 1971-03-31
DE1810863A1 (de) 1969-07-03
FR1593887A (enrdf_load_stackoverflow) 1970-06-01

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