EP1866207A1 - Nouvelle machine d'emballage de ressorts - Google Patents

Nouvelle machine d'emballage de ressorts

Info

Publication number
EP1866207A1
EP1866207A1 EP05735390A EP05735390A EP1866207A1 EP 1866207 A1 EP1866207 A1 EP 1866207A1 EP 05735390 A EP05735390 A EP 05735390A EP 05735390 A EP05735390 A EP 05735390A EP 1866207 A1 EP1866207 A1 EP 1866207A1
Authority
EP
European Patent Office
Prior art keywords
spring
machine according
packing machine
comprised
spring packing
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Withdrawn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
EP05735390A
Other languages
German (de)
English (en)
Inventor
Mahmut Zeki Susever
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1866207A1 publication Critical patent/EP1866207A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B68—SADDLERY; UPHOLSTERY
    • B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
    • B68G9/00—Placing upholstery springs in pockets; Fitting springs in upholstery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B68—SADDLERY; UPHOLSTERY
    • B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
    • B68G9/00—Placing upholstery springs in pockets; Fitting springs in upholstery
    • B68G2009/005—Devices for turning the springs 90° inside the pockets

Definitions

  • the present invention relates to packed spring series employed in furniture and mattress manufacture, and in similar industrial fields.
  • the present invention more particularly relates to machines capable to pack the springs in a serial form according to the preamble of Claim 1.
  • Packed springs obtained by compressing springs with helical forms in hollow bodies are employed in various fields such as the automotive, home textile, furniture, etc sectors. Said packed springs are made by combining a helical spring and the required dressing material in a packed spring manufacturing machine.
  • the hollow body, or dressing material is made by superimposing onto each other two long sides of an interfacing- or nonwoven-like plastic derivative, or of a textile material, and sewing the so-created hollow body in certain intervals so as to form partitions therein.
  • Said dressing material is made in the form of longitudinal stripes and attached in the form of rolls to the body of a packed spring manufacturing machine.
  • the wire in a rolled form is also attached to the body of said machine. Said wire strip is taken to the helical spring manufacturing apparatus to obtain a helical spring form.
  • the helical spring is carried to a heat-treatment station by means of carrier arms on a conveyor in order to provide the spring with desired spring characteristics.
  • Support roads are embodied on the conveyor to allow the positioning of said springs. While the helical springs are transferred from the spring manufacturing apparatus to such support arms on the conveyor, they are exposed to compression. Such compression leads to deformation on springs.
  • the helical springs are carried on the conveyor and then taken to the compression and slider unit. Helical springs compressed in the vertical direction are positioned on the body, named pocket, on the dressing material by means of the slider system. Certain distances are kept between the pockets formed on the dressing material according to the aim of usage of said packed spring.
  • the slider system is to be driven according to its distance between the pockets and to the pocket to be aligned with the slider to enable the slider system to put the springs into said pockets.
  • a mechanical coupling is provided on the slider system to make said drive. The operating and maintenance operations of said mechanical fitting enhance the operation costs and the working-time losses.
  • the open mouth of the pocket is sewed and closed.
  • the helical spring compressed on its vertical axis in the pocket must be brought to its horizontal axis, in line with the usage, and then be opened. Many strokes are applied to the spring by means of an stroking means to enable said spring to uncompress to the axis of the dressing.
  • the dressing material fails to have a homogeneous structure, it is slipped between the reel and directing elements. While the edges of the carrier material, with two edges folded onto each other are joined, cavities are formed between the seams and welds so as to produce unclosed pockets.
  • the objective of the present invention is to eliminate the background art drawbacks by means of the subject packed spring manufacturing machine.
  • Another objective of the present invention is to eliminate the welding defects in spring packets.
  • a further objective of the present invention is to reduce the spring packing costs.
  • a spring packing machine to form pockets on a dressing material, and to position compressed springs into said pockets in order to provide packed spring series having a welding jaw embodied on a body; and a unit to regulate the dressing material flow which is fed from a dressing material roll and to fold dressing material in two characterized by at least one roll table positioned on the unit to regulate the dressing material flow and to fold in two said dressing material; and at least one roll retaining mean which is positioned on the said roll table has been embodied.
  • At least one upper and lower bearing means is embodied on the machine body to regulate the flow of said dressing material drawn from the roll support.
  • At least one reel is positioned on the lower bearing.
  • At least one stretcher cylinder is positioned on the machine body, between the lower bearing and upper bearing.
  • At least one means is connected to the roll to rotate dressing material roll, about its own axis and become unrolled. Still in a further preferred embodiment of the present invention, at least one tension adjustment means is coupled to the reel on the lower bearing by means of a rope.
  • At least one plate is positioned on the rope the rope's straight movement.
  • At least one sensor is positioned on the machine body, opposing said plate to sense its (i.e. the plate) positional change.
  • At least one folding apparatus with a triangular geometric form is positioned on said machine body in order to fold in two the unrolled dressing material on its own plane.
  • a spring forming unit which is embodied on a body to make pockets on a dressing material, and to position compressed springs into said pockets with the aim of obtaining packed spring series, comprises at least one bearing hub supported by the body of said spring forming unit.
  • the bearing hub is capable to make a full cycle rotation about its own horizontal axis on the spring forming unit's body.
  • At least one support arm's bearing hub is positioned on a slot formed on the bearing hub.
  • At least one support arm is positioned on the support arm's bearing hub.
  • At least one centering plane is positioned between the support arm and the support arm's bearing hub. Still in a further preferred embodiment of the present invention, at least one magnetic field creating means is positioned on the centering plane to keep on this plane one end of a spring wound to the support arm.
  • At least one upper spring-retainer group is positioned on a heat treatment unit embodied on the machine body to make pockets on a dressing material, and to position compressed springs into said pockets with the aim of obtaining packed spring series.
  • At least one lower spring- retainer group is positioned on the body of said heat treatment unit.
  • At least one upper retainer body is embodied to support the upper retainer group of said heat treatment unit.
  • At least one repulsion means fed with pressurized air drive is embodied on the upper retainer body.
  • At least one upper retainer moving shoe is connected to the repulsion means.
  • At least one upper retainer stationary shoe is embodied on the upper retainer body.
  • one end of a helical spring to be subjected to heat treatment is fixed between the shoes by positioning the upper retainer moving shoe repelled by the repulsion means on the upper retainer stationary shoe.
  • At least one lower retainer group driving means is positioned on the body of the lower retainer group.
  • At least one lower retainer stationary shoe is positioned on the lower retainer group's driving means.
  • at least one lower retainer moving shoe is positioned on the lower retainer driving means.
  • At least one conveying pipe is positioned on the conveyor embodied on the machine body.
  • At least one spring transferring mechanism support is positioned parallel to said support arm on the machine body.
  • At least one stroking means is positioned on the spring transferring mechanism support to cause a helical spring on the support arm drop to said conveying pipe.
  • At least one spring dropping-axis balancing plate is positioned on the machine body and parallel to said support arm.
  • At least one spring uncompressing drive-cylinder is positioned on an spring-uncompressing body, which is situated on the plane of the manufacturing flow of said pocket series, to provide driving force to said uncompressing unit to uncompress a compressed spring, in order to make pockets on a dressing material, and to position compressed springs into said pockets with the aim of obtaining packed spring series.
  • At least one spring- uncompressing rod is connected to the spring-uncompressing drive-cylinder by means of a coupling means.
  • spring-uncompressing rods with variable lengths are used by means of orifices formed on said coupling means.
  • the welding jaw comprises at least one welding drive-cylinder positioned on the welding station in order to displace the welding intervals.
  • At least one rotation limiter sensor is positioned on the balancing mechanism to send a system switch- off signal to the control unit, when the balancing mechanism reaches the maximum angle it can rotate.
  • At least one roll- end sensor is positioned on the balancing mechanism to send a system switch-off signal to the control unit, when the dressing material is consumed.
  • the lower retainer and the stationary shoe are separated by means of an insulator in order to avoid the electrical current fed to the helical spring from passing to the machine body during the heat treatment of such helical spring.
  • the tip of the support arm is insulated by means of a Teflon insulating material.
  • Figure 1 gives a schematic view of the dressing material flow regulating mechanism according to a representational embodiment of the subject spring packing machine.
  • Figure 2 gives a perspective view of the dressing material flow regulating mechanism according to a representational embodiment of the present invention.
  • Figure 3 illustrates the dressing material
  • Figure 4 illustrates the dressing material
  • Figure 5 gives a perspective view of the support arm.
  • Figure 6 gives a perspective view of the spring conveying mechanism.
  • Figure 7 gives a perspective view of the upper retainer group of the spring forming mechanism.
  • Figure 8 gives a perspective view of the lower retainer group of the spring forming mechanism.
  • Figure 9 gives a perspective view of a conveyor system as a part of the spring packing machine according to an embodiment of the present invention.
  • Figure 10 illustrates the spring uncompressing mechanism.
  • Figure 11 gives a general view of the spring packing machine and of the driving element of the welding mechanism according to the present invention.
  • Figure 1 gives a schematic view of the unit, which is coupled to the body (51 ) of the spring packing machine, and which regulates the dressing material flow and folds such material into two.
  • a roll table (43) is positioned on said body to place the dressing material (3) in a roll form.
  • a pneumatic shaft (42) with a cylindrical form is vertically embodied on the roll table (43) and pressurized air is fed to said shaft (42) by means of a valve (41 ).
  • the dressing material (3) positioned on the shaft (42) is centered at the frame of which the center is occupied by said shaft (42).
  • the rolled dressing material (3) is unrolled and drawn into the system in a step-by-step manner.
  • a dressing material drawing and regulating mechanism is embodied to unroll said roll ( Figure 2).
  • a tension balancing mechanism (9) is made with the purpose of balancing the tension of the dressing material (3) while being fed into the system.
  • two tension cylinders (5, 6) are positioned between the lower bearing (44) and the upper bearing (45), and one tension cylinder (7) on the machine body (51 ).
  • the balancing mechanism (9) transfers the dressing material (3) between the tension cylinders (5, 6, 7) to the drawing mechanism.
  • Dressing material (3) with an adequate amount is kept in the balancing mechanism (9) in order to avoid the drawing mechanism from becoming idled and to prevent any excess tension formations on the flow of the dressing material (3).
  • An automatic control setup is embodied to keep and control such adequate dressing material (3) in the balancing mechanism.
  • a reel (9.1) is positioned inferior to the balancing mechanism (9) and coupled with a steel role (11).
  • the other end of the steel rope (11) is coupled to the cylindrically-formed pneumatic tension adjustment means (13).
  • the adjustment of pressurized air fed to the tension adjustment means (13) is made by means of a regulator.
  • the dressing material (3) is drawn, its (3) tension is kept constant by providing a counterbalancing force on the direction opposite to the rotation of the balancing mechanism (9) by means of said tension adjustment means (13).
  • a feedback sensor (14) is provided to the automatic control setup to uninterruptedly feed the dressing material in the balancing mechanism (9).
  • the feedback sensor (14) senses a plate (12) hung on the steel rope (11).
  • Said sensor (14) is connected to the roll table (43) supporting the roll in order to provide the drive of the dressing material (3) roll.
  • the feedback sensor (14) continuously controls the distance of the plate (12) to the pneumatic tension adjustment means (13).
  • the balancing mechanism (4) rotates in the direction opposite to the direction of the tension cylinder (13) and the dressing material becomes unrolled, the plate (12) moves away from the sensor (14).
  • the sensor (14) senses the moving-away of the plate (12) and so the speed of the driving means (15) is increased. Since the speed of the driving means (15) unrolling the rolled dressing material (3) simultaneously increases with the rotation angle of the balancing mechanism (4), the flow of the dressing material (3) is balanced.
  • Two sensors are provided on the balancing mechanism (9) to monitor the movement of the reel.
  • the rotating limiter sensor (9.2) switches off the system, when the dressing material (3) reserve in the balancing mechanism (9) is consumed and the balancing mechanism (9) reaches the maximum angle of rotation.
  • the roll-end sensor (9.3) senses the finishing roll, and switches the system off to replace it with a new one.
  • a folding apparatus (10) with a triangular form is positioned on the machine body (51) to superimpose, or position one on the other of, the longer edges of the dressing material (3) unrolled in a single layer and to fold such edges in two.
  • Pockets are made on such two-folded dressing material (3) to position helical springs (19) therein. Said pockets are formed by applying seams perpendicular to the longer edges of the dressing material (3).
  • Two welding lines are formed on the dressing material (3) so that a pocket stays in between said lines to create such pockets.
  • the distance (3.1 ) between said welding lines is constant along the entirety of the dressing material (3) ( Figure 4).
  • a welding jaw (1 ) is embodied on the machine body (51) in a perpendicular manner to the flowing plane of the dressing material (3) with the purpose of producing said welding lines ( Figure 3).
  • Compressed springs (4) are placed into the pockets of the gradually-progressing dressing material on the welding station, where transverse welding is performed, in a scale obtained by adding the cutting blank (3.2) distance to the welding interval (3.1) distance of the spring that is next to the blank of a welding interval (3.1 ), in order to avoid any welding defects.
  • the transversal welding jaw (1 ) is translated a distance equal to the cutting blank (3.2) to prevent any crunching of compressed springs (4) placed previously there between.
  • a spring conveying mechanism is embodied on the machine body to transfer the formed or shaped springs between the stations ( Figure 6).
  • a bearing hub (21 ) is embodied that is capable to rotate a full cycle on its own horizontal axis and that is positioned on a body with an L- shape of which the angle between its two edges is hundred and thirty-five degrees.
  • Support-arm bearing hub (20) is formed on four bearings (21.1 ) made on said bearing hubs (21).
  • a support arm (16) is coupled to each such hubs (20) to wind the springs after being cut from a wire roll with the purpose of creating a helical form thereon.
  • a centering plane (17) is positioned between said support arm (16) and hub (20) to center the spring (Figure 5).
  • the centering plane (17) displaces according to the size of a spring.
  • a magnet (18) is positioned on the centering plane (17) to fasten a spring (19), which is wound on said support arm (16), to the centering plane (17).
  • the support arm is isolated from the bearing hub (20) by means of a Teflon insulator (34).
  • Such spring (19) formed helically on said support arm (16) is brought to the heat treatment unit with the movement of said bearing hub (21 ).
  • Said heat treatment unit is composed of an upper retainer group (22) and a lower retainer group (23).
  • a chrome cap (35) is embodied on the tip of the support arm (16) to prevent any abrasions.
  • a pneumatically-driven piston (24) is positioned on the bearing formed on the upper retainer body (26) ( Figure 7).
  • An upper retainer moving shoe (25) is coupled to the tip of said piston (24).
  • a pneumatically-driven linear air cylinder (30) is positioned on the lower retainer body ( Figure 8).
  • a lower retainer moving shoe (31) is embodied on said cylinder (30).
  • the lower first coil (28) of the spring brought to the heat treatment station is positioned in front of the lower retainer stationary shoe (28) positioned on the cylinder (30).
  • the cylinder (30) is driven pneumatically so that the lower retainer moving shoe (31) coupled to itself (30) presses the tab of the spring to the stationary shoe (29).
  • the helical spring (19) on the support arm (16) is fixed and subjected to electricity so that a heat treatment process is carried out by passing electrical current through the spring (19).
  • a heat treatment process is carried out by passing electrical current through the spring (19).
  • it is insulated by means of a lower retainer insulator (32) and a lower retainer stationary shoe insulator (33).
  • a spring (19) with the heat treatment accomplished is transferred to a cooling conveyor unit by the displacement of the bearing hub (21 ).
  • a multitude of spring conveying pipes (36) are situated on the cooling conveyor unit ( Figure 8).
  • a spring transferring mechanism support (39) is positioned on the machine body (51) and parallel to the support arm (16).
  • a stroking means (37) is supported by said mechanism support (39) so as to displace up- and downwardly on an axis parallel to the support arm (16).
  • a stroking piece (38) is provided on the tip of the stroking means (37) to drop into the conveying pipe (36) a helical spring (19) retained by a magnet (18) on said support arm (16).
  • Said stroking piece (38) pushes the helical spring (19) on the support arm (16) downwards, as a result of the downward displacement of said stroking means (37) by means of the pneumatic drive provided from the cylinder.
  • the helical spring (19) disengaging from the attraction of the magnet (18) on the centering plate (17) is transferred to the conveying pipe (36).
  • a balancing plate (40) is positioned parallel to the axis of the support arm (16) so as to properly drop such helical spring onto the conveying pipe (36) during this transfer.
  • a seizing magnet is positioned on the conveying pipe (36) to keep such transferred spring (19) in said conveying pipe (36).
  • the helical springs (19) transferred to the conveying pipes (36) are brought to the compression unit by means of a conveyor.
  • Vertically compressed helical springs (19) in the compression unit are placed into the pockets in the dressing material (3) by means of a slider (2), and the single open sides of such pockets are sewn.
  • Such springs (4) in a compressed form in the pockets are to be restored to the uncompressed condition, in line with the usage purpose of such pocket series.
  • An uncompressing unit is positioned on the plane of the flow of such manufactured pocket series in order to uncompress said compressed springs (4).
  • the spring uncompressing unit is provided with an uncompressing mechanism support body (46) that is capable to move horizontally.
  • a pneumatic spring- uncompressing cylinder (48) is positioned on the support body (46).
  • a coupling means (49) with many orifices is coupled to the tip of said spring uncompressing cylinder (48).
  • a spring uncompressing rod (47) is embodied parallel to the pocket series in order to be fastened to two orifices on said coupling means (49). While said spring uncompressing rod (47) strokes the top coil of a spring on two sequential pockets with the translatory drive of said uncompressing cylinder, it becomes elevated as well.
  • the compressed spring in such pocket restores to its uncompressed form by becoming uncompressed towards the cavity in the pocket, as a result of the translatory drive of said uncompressing rod (47).
  • the uncompressing rod (47) having lost contact with the dressing material (3) restores to its initial position with the drive of the uncompressing cylinder and positions for the next operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Basic Packing Technique (AREA)

Abstract

La présente invention concerne une machine d'emballage de ressorts comportant une mâchoire de soudage (1) incorporée à un corps, un dispositif pour assurer le flux régulier du matériau d'habillage (3) et qui est alimenté depuis un rouleau de matériau d'habillage (8) et pour plier en deux ledit matériau d'habillage (3), avec au moins un tablier à rouleaux (43) positionné sur le dispositif pour régler le flux de matériau d'habillage (3) et pour plier en deux ledit matériau d'habillage (3) ; et au moins un support de rouleaux (42) positionné sur ledit tablier à rouleaux (43), afin de réaliser des poches sur ce matériau d'habillage, et de placer des ressorts comprimés (4) dans lesdites poches pour obtenir des rangées de ressorts emballés.
EP05735390A 2005-03-18 2005-03-18 Nouvelle machine d'emballage de ressorts Withdrawn EP1866207A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR2005/000013 WO2006098704A1 (fr) 2005-03-18 2005-03-18 Nouvelle machine d'emballage de ressorts

Publications (1)

Publication Number Publication Date
EP1866207A1 true EP1866207A1 (fr) 2007-12-19

Family

ID=35276134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05735390A Withdrawn EP1866207A1 (fr) 2005-03-18 2005-03-18 Nouvelle machine d'emballage de ressorts

Country Status (3)

Country Link
EP (1) EP1866207A1 (fr)
TR (1) TR200707488T1 (fr)
WO (1) WO2006098704A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668816A (en) * 1970-07-10 1972-06-13 Mildred B Thompson Method and apparatus for constructing fabric enclosed springs
US4439977A (en) * 1977-05-05 1984-04-03 Simmons U.S.A. Corporation Method and apparatus for making a series of pocketed coil springs
US5572853A (en) * 1994-08-15 1996-11-12 Simmons Company Method and apparatus for conditioning pocketed coil springs
GB9607497D0 (en) * 1996-04-11 1996-06-12 Slumberland Plc Spring units for mattresses and the like
US6101697A (en) * 1997-09-10 2000-08-15 International Bedding Corporation, Inc. Apparatus for producing string of pocket coils
US6260331B1 (en) * 1999-06-17 2001-07-17 Sidhil Technology, Llc Method and apparatus for the manufacture of pocketed springs
CH694635A5 (de) * 2000-11-10 2005-05-13 Spuehl Ag St Gallen Verfahren und Anlage zum Transport von Federn für Federkerne für Matratzen oder Polster.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006098704A1 *

Also Published As

Publication number Publication date
WO2006098704A1 (fr) 2006-09-21
TR200707488T1 (tr) 2008-03-21

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