EP1551245A1 - Device for joining the heel to the sole of a shoe using a central countersunk screw - Google Patents

Device for joining the heel to the sole of a shoe using a central countersunk screw

Info

Publication number
EP1551245A1
EP1551245A1 EP03797757A EP03797757A EP1551245A1 EP 1551245 A1 EP1551245 A1 EP 1551245A1 EP 03797757 A EP03797757 A EP 03797757A EP 03797757 A EP03797757 A EP 03797757A EP 1551245 A1 EP1551245 A1 EP 1551245A1
Authority
EP
European Patent Office
Prior art keywords
spindle
working head
screw
thread
countersunk screw
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.)
Granted
Application number
EP03797757A
Other languages
German (de)
French (fr)
Other versions
EP1551245B1 (en
EP1551245B8 (en
Inventor
Ireneusz Lisiewicz
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 EP1551245A1 publication Critical patent/EP1551245A1/en
Publication of EP1551245B1 publication Critical patent/EP1551245B1/en
Application granted granted Critical
Publication of EP1551245B8 publication Critical patent/EP1551245B8/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D67/00—Machines for fastening soles or heels by means of screws or screwed wire
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/36—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means
    • A43B21/38—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means by screws only

Definitions

  • the object of the invention is a device for connecting the heel to the insole of a shoe, in particular a women's shoe, by means of a central countersunk screw.
  • portable gun screwdrivers with an automatic electric or pneumatic drive are generally used, which are used to screw in a central countersunk screw when connecting the heel to the insole of the shoe.
  • a steel stiffener with a continuous opening through which a central countersunk screw penetrates is generally used inside the insole. If the heel is properly connected to the insole, the countersunk screw head should rest against the surface or be countersunk so as not to irritate the heel of the shoe user.
  • the known pistol screwdriver has a screwdriver which is connected to the drive shaft by means of an overload clutch. This overload clutch should be set so that it only switches off after the countersunk screw has been fully screwed into the insole and the heel becomes.
  • the device for connecting the heel to the insole of the shoe by means of a central countersunk screw, equipped with a screwdriver with an automatic drive is characterized according to the invention in that it has a fixed, longitudinally arranged working head and a fixing assembly that holds the insole presses against the end face of the working head by means of the heel to be fastened.
  • a screw-movable spindle is arranged in the longitudinal opening of the working head. The pitch of the screw movement of the spindle corresponds to the pitch of the thread of the countersunk screw.
  • the spindle is finished with a screwdriver and connected to the drive mechanism.
  • the working head advantageously has the shape of a vertical column, the lower end of which is attached to the fixed base.
  • the spindle has a thread which is screwed into the threaded section of the longitudinal opening of the working head, the The pitch of the thread of the spindle is equal to the pitch of the thread of the countersunk screw.
  • the threaded section of the longitudinal opening of the working head is formed in a separate nut which is attached to the base.
  • the entire spindle has a smooth roller surface, which is slidably arranged in the cylinder opening of the working head.
  • a fixed nut is arranged next to the spindle, into which the drive screw connected to the drive mechanism is screwed.
  • the drive screw is connected to the spindle by means of a drive gear.
  • the two adjacent end faces of the drive screw and the spindle are rotatably supported on the supports which are formed at the ends of a two-arm lever.
  • the middle section of the two-arm lever is connected to the fixed base in an oscillating manner by means of a joint which can be adjusted along the lever.
  • This joint is advantageously connected to the adjustment mechanism.
  • the drive gear advantageously consists of an engaged pair of gears, which is arranged on the pin of the drive screw, and of the spindle.
  • two swiveling stabilizing jaws were arranged inside the working head, which in the initial phase of screwing in comprise the countersunk screw thread.
  • stabilizing jaws are advantageously arranged on two levers which are articulated in the working head by means of bolts.
  • the two levers are connected by means of a spring and each of the levers abuts the control cam with its side projection, which is formed on the spindle.
  • Each stabilizing jaw advantageously has an arc profile which corresponds to the roller profile of the countersunk screw thread, whereas the control cam advantageously has a conical profile.
  • the front part of the head is formed on the pivotable plate which is articulated to the head.
  • the fixing assembly has at least one counter-holder, which rests on the heel surface.
  • the device according to the invention is insensitive to a sudden increase in the screw-in resistance of the countersunk screw when its thread engages the steel stiffener of the insole.
  • the elongated shape of the working head enables the processing of shoes with a long shaft and the swiveling end face of the working head allows the countersunk screw to be given precisely in the selected direction.
  • Fig. 1 shows the device for connecting the heel to the insole of a shoe by means of a central countersunk screw in vertical longitudinal section, which has a threaded spindle of the screwdriver
  • Fig. 2 the device with a smooth spindle surface of the screwdriver and the drive screw in a vertical longitudinal section
  • FIG. 3 the working head part with stabilizing jaws of the countersunk screw in a vertical section
  • FIG. 4 - a top view of the working head with stabilizing jaws.
  • the device according to the invention has a fixed, longitudinal arranged working head 1 in the form of a vertical column 2.
  • the lower end is fixed to the fixed base 3.
  • the working head 1 has a longitudinal opening 4, in which the spindle 5 is located with a helical turning movement, which is ended at the top with the screwdriver 6.
  • the profile of the end piece of the screwdriver 5 is adapted to the slot profile or to the cross recess in the countersunk screw head 7.
  • the lower part of the spindle 5 is connected to the drive mechanism with reversing operation which is known in principle but is not shown in the drawing, the drive source being a pneumatic or hydraulic piston servomotor with a crank chain transmission.
  • the central countersunk screw 7 with the thread 8 is attached.
  • the pitch of the screw movement of the spindle 5 corresponds to the pitch of the thread 8 of the countersunk screw 7.
  • the fixing assembly 9 which presses the insole 10 against the end face 11 of the working head 1 by means of the heel 12 to be fastened.
  • This end face is formed on the pivotable plate 13, which is articulated to the working head 1.
  • the plate 13 is moved up or down by means of the adjusting screw 14.
  • the fixing assembly 9 has two counterholders 15 and 16 which can be swung out by hand and which are attached to the
  • Heel area 12 fit. 1 has a spindle 5 with the thread 17 which is screwed into the threaded section 18 of the longitudinal opening 4 in the form of a separate nut 19 which is fastened to the fixed base 3.
  • the pitch of the thread 17 of the spindle 5 is the same as the pitch of the thread 8 of the countersunk screw 7, which ensures that it is properly screwed into the insole 10 and the heel 12.
  • 2 has the Whole spindle 5 has a smooth cylindrical surface 20 which is slidably arranged in the cylinder opening 4 'of the working head 1.
  • a fixed nut 21 which is formed in the fixed base 3.
  • the drive screw 22 is screwed into the nut 21 with a reversing movement.
  • the screw 22 is connected to the drive mechanism with reversing effect which is known in principle but not shown, where the drive source is a pneumatic or hydraulic piston servomotor.
  • the drive screw 22 is connected to the spindle 5 by means of the drive gear 23.
  • This drive gear consists of a pair of gearwheels 24 and 25 which are in engagement with one another and which is placed on the pins 26, 27 of the drive screw 22 and the spindle 5.
  • Two adjacent end faces 28, 29 of the drive screw 22 and the spindle 5 are rotatably supported on the supports 30, 31 formed at the ends of the two-arm lever 32.
  • the middle section of the two-arm lever 32 is connected to the fixed base 3 in an oscillating manner by means of a joint 33 which is slidably adjustable along the lever 32 and the base 3.
  • the hinge 33 is connected to the continuously variable screw actuating mechanism 34 with manual drive.
  • two pivotable stabilizing jaws 35 were arranged, which thread 8 of the countersunk screw 7 in the initial phase of the
  • the stabilizing jaws 35 are arranged opposite one another on two levers 36, which in the
  • Levers 36 are connected by means of the spring 38 which approaches them to one another.
  • Each of the levers 36 has a side projection 39 which bears against the control cam 40 formed on the spindle 5.
  • each stabilizing jaw 35 has an arc profile that corresponds to the roller profile of the thread 8 of the countersunk screw 7, whereas the control cam 40 has a conical profile.
  • the machined shoe with the prefabricated heel 12 is arranged on the working head 1 so that the inner surface of the insole 10 lies against the correspondingly inclined plate 13.
  • the heel 12 and the insole 10 are fixed on the working head 1 by means of the counterholders 15, 16. Under the action of the drive mechanism, not shown, the spindle 5 with the screwdriver 6 and the countersunk screw 7 placed on the end thereof is moved upward with a screw movement.
  • the stabilizing jaws 35 which are located close to one another, laterally support the thread 8 of the countersunk screw 7 and in the final phase they move away therefrom, thereby allowing the head of the countersunk screw 7 to move freely. If the head of the countersunk screw 7 penetrates into the insole 10 or is supported on the steel stiffener, not shown, then the screw-in resistance of the countersunk screw 7 increases to such an extent that the pneumatic or hydraulic drive mechanism, not shown, automatically stops due to overload. After releasing the counterholders 15, 16, the finished shoe is removed from the device and the spindle 5 with the screwdriver 6 moves back into the starting position.
  • a drive which gives the spindle 5 a screw movement at a precisely determined speed.
  • a smooth coupling of the drive screw 22 with the spindle 5 can also be achieved by using a chain or toothed belt transmission.
  • Stabilizing jaws 35 with an angular profile can be used to support the countersunk screw 7.
  • the control cam 40 can have any convex or concave profile, whereas the countersunk screw 7 has a lens or convex head with a flat base.

Abstract

The invention relates to a device for joining the heel to the sole of a shoe, in particular a ladies shoe, using a central countersunk screw. The inventive device has a fixed working head (1), which is fixed to a rigid base (3). The head (1) comprises a longitudinal opening (4), in which the spindle (5) is located so that it can perform a screwing action. The spindle (5) terminates in a screwdriver (6) and is connected to a drive mechanism that is not illustrated in the figure. The pitch of the screwing action of the spindle (5) corresponds to the pitch of the thread (8) of the countersunk screw (7). A fixing module is located above the working head (1), said module pressing the sole (10) onto the front face (11) of the working head (1) using the heel (12) to be fixed.

Description

Einrichtung für die Verbindung des Absatzes mit der Brandsohle eines Schuhes mittels einer zentralen Senkschraube Device for connecting the heel to the insole of a shoe using a central countersunk screw
Der Gegenstand der Erfindung ist eine Einrichtung für die Verbindung des Absatzes mit der Brandsohle eines Schuhes, insbesondere eines Damenschuhes, mittels einer zentralen Senkschraube.The object of the invention is a device for connecting the heel to the insole of a shoe, in particular a women's shoe, by means of a central countersunk screw.
Im Herstellungsprozess der Schuhe werden im allgemeinen trag- bare Pistolenschrauber mit selbsttätigem Elektro- oder pneumatischen Antrieb verwendet, die für das Eindrehen einer zentralen Senkschraube bei der Verbindung des Absatzes mit der Brandsohle des Schuhes verwendet werden. Im Inneren der Brandsohle wird im allgemeinen ein Stahlsteifer mit einer durchgehenden Öffnung verwendet, durch die eine zentrale Senkschraube durchdringt. Bei ordnungsgemässer Verbindung des Absatzes mit der Brandsohle sollte der Senkschraubenkopf an deren Oberfläche anliegen oder versenkt sein, um die Ferse des Schuhbenutzers nicht reizen. Der bekannte Pistolenschrauber hat einen Schraubenzieher, der an die Antriebswelle mittels einer Überlastungskupplung angeschlossen ist. Diese Überlastungskupplung sollte so eingestellt sein, dass sie erst nach dem vollständigen Eindrehen der Senkschraube in die Brandsohle und in den Absatz ausgeschaltet wird. Es kommen jedoch solche Fälle vor, dass beim Eindrehen der Senkschraube deren Gewinde die Bohrungskante des Stahlsteifers berührt. Dann nehmen die Eindrehwiderstände heftig zu und erfolgt ein vorzeitiges Abschalten der Überlastungs- kupplung. Schließlich ragt die Senkschraube aus der Brandsohle heraus und muss mit einem Handschraubenzieher eingedreht werden. Wenn infolge einer fehlerhaften Einstellung der Überlastungskupplung deren Überlastungsmoment zu hoch ist, dann trotz voller Eintiefung der Senk- schraube wird sie weiterhin um ihre Achse gedreht, was zum Gewindeabreißen in weichem Absätzwerkstoff führt. Zwar ist dann die Brandsohle und der Absatz miteinander scheinbar verbunden, jedoch weist die entstandene Verbindung die richtige Festigkeit nicht auf.In the shoe manufacturing process, portable gun screwdrivers with an automatic electric or pneumatic drive are generally used, which are used to screw in a central countersunk screw when connecting the heel to the insole of the shoe. A steel stiffener with a continuous opening through which a central countersunk screw penetrates is generally used inside the insole. If the heel is properly connected to the insole, the countersunk screw head should rest against the surface or be countersunk so as not to irritate the heel of the shoe user. The known pistol screwdriver has a screwdriver which is connected to the drive shaft by means of an overload clutch. This overload clutch should be set so that it only switches off after the countersunk screw has been fully screwed into the insole and the heel becomes. However, there are cases such that when the countersunk screw is screwed in, its thread touches the edge of the steel stiffener. Then the screw-in resistance increases violently and the overload clutch is switched off prematurely. Finally, the countersunk screw protrudes from the insole and has to be screwed in with a hand screwdriver. If, as a result of an incorrect setting of the overload clutch, its overload torque is too high, then despite the full recess of the countersunk screw, it continues to be rotated about its axis, which leads to the thread breaking off in soft shoulder material. The insole and the heel are then apparently connected to each other, but the resulting connection does not have the correct strength.
Die Einrichtung für die Verbindung des Absatzes mit der Brandsohle des Schuhes mittels einer zentralen Senkschraube, ausgerüstet mit einem Schraubenzieher mit selbsttätigem Antrieb, wird gemäß der Erfindung dadurch gekennzeichnet, dass sie einen festen, längsangeordneten Arbeitskopf sowie eine Fixierbau- gr ppe hat, die die Brandsohle an die Stirnfläche des Arbeitskopfes mittels des zu befestigenden Absatzes andrückt. In der Längsöffnung des Arbeitskopfes ist eine schraubenbewegliche Spindel angeordnet. Die Steigung der Schraubenbewegung der Spindel entspricht der Steigung des Gewindes der Senkschraube. Die Spindel ist mit einem Schraubenzieher beendet und an den Antriebsmechanismus angeschlossen. Der Arbeitskopf hat vorteilhaft die Form einer senkrechten Säule, deren unteres Ende am feststehenden Untersatz befestigt ist. In der vorteilhaften Lösung der Erfindung hat die Spindel ein Gewinde, das in den Gewindeabschnitt der Längsöffnung des Arbeitskopfes eingedreht ist, wobei die Steigung des Gewindes der Spindel der Steigung des Gewindes der Senkschraube gleich ist. Aus Montagegründen ist der Gewindeabschnitt der Längsöffnung des Arbeitskopfes in einer separaten Mutter gebildet, die am Untersatz befestigt ist. In einer anderen vorteilhaften Lösung der Erfindung hat die ganze Spindel eine glatte Walzenoberfläche, die in der Zylinderöffnung des Arbeitskopfes gleitend angeordnet ist. Im festen Untersatz ist neben der Spindel eine feste Mutter angeordnet, in die die an den Antriebsmemechanismus angeschlossene Antriebsschraube eingedreht ist. DieThe device for connecting the heel to the insole of the shoe by means of a central countersunk screw, equipped with a screwdriver with an automatic drive, is characterized according to the invention in that it has a fixed, longitudinally arranged working head and a fixing assembly that holds the insole presses against the end face of the working head by means of the heel to be fastened. A screw-movable spindle is arranged in the longitudinal opening of the working head. The pitch of the screw movement of the spindle corresponds to the pitch of the thread of the countersunk screw. The spindle is finished with a screwdriver and connected to the drive mechanism. The working head advantageously has the shape of a vertical column, the lower end of which is attached to the fixed base. In the advantageous solution of the invention, the spindle has a thread which is screwed into the threaded section of the longitudinal opening of the working head, the The pitch of the thread of the spindle is equal to the pitch of the thread of the countersunk screw. For assembly reasons, the threaded section of the longitudinal opening of the working head is formed in a separate nut which is attached to the base. In another advantageous solution of the invention, the entire spindle has a smooth roller surface, which is slidably arranged in the cylinder opening of the working head. In the fixed base, a fixed nut is arranged next to the spindle, into which the drive screw connected to the drive mechanism is screwed. The
Antriebsschraube ist mit der Spindel mittels eines Antriebsgetriebes verbunden. Die zwei benachbarten Stirnflächen der Antriebsschraube sowie der Spindel sind auf den Stützen drehbar gestützt, die an den Enden eines Zweiarmhebels gebildet sind. Der Mittelabschnitt des Zweiarmhebels ist mit dem festen Untersatz mittels eines entlang des Hebels verstellbaren Gelenkes pendelnd verbunden. Dieses Gelenk ist an den Verstellmechanismus vorteilhaft angeschlossen. Das Antriebsgetriebe besteht vorteilhaft aus einem, im Eingriff stehenden Zahnräderpaar, das an den Zapfen der Antriebsschraube angeordnet ist sowie aus der Spindel. Um die Verbindung der Brandsohle mit dem Absatz ohne eine vorher angebohrene Blindbohrung zu ermöglichen, wurden im Arbeitskopfinneren zwei schwenkbare Stabilisierungsbacken angeordnet, die in der Anfangsphase des Eindrehens das Senkschraubengewinde umfassen. Diese Stabilisierungsbacken sind vorteilhaft auf zwei gelenkig im Arbeitskopf mittels Bolzen befestigten Hebeln angeordnet. Die beiden Hebel sind mittels einer Feder verbunden und jeder der Hebel liegt mit seinem Seitenvorsprung an den Steuernocken an, der auf der Spindel gebildet ist. Jede Stabilisierungsbacke hat vorteilhaft ein Bogenprofil, der dem Walzenprofil des Senkschraubengewindes entspricht, dagegen der Steuernocken hat vorteilhaft ein Kegelprofil. Um die Neigung der Brandsohle und das Richten der Senkschraube in den ausgewählten Absatzteil zu ermöglichen, ist der Stirnteil des Kopfes auf der an den Kopf gelenkig angeschlossenen schwenkbaren Platte gebildet. Für eine sichere Fixierung des Absatzes sowie der Brandsohle hat die Fixierbaugruppe mindestens einen Gegenhalter, der an der Absatzfläche anliegt. Die Einrichtung gemäss der Erfindung ist gegen einen plötzlichen Anstieg der Eindrehwiderstände der Senkschraube beim Eingriff deren Gewindes in den Stahlsteifer der Brandsohle unempfindlich. Die längliche Form des Arbeitskopfes ermöglicht die Bearbeitung von Schuhen mit langer Schaft und die schwenkbare Stirnfläche des Arbeitskopfes erlaubt eine genaue Verleihung der Senkschraube der ausgewählten Richtung.The drive screw is connected to the spindle by means of a drive gear. The two adjacent end faces of the drive screw and the spindle are rotatably supported on the supports which are formed at the ends of a two-arm lever. The middle section of the two-arm lever is connected to the fixed base in an oscillating manner by means of a joint which can be adjusted along the lever. This joint is advantageously connected to the adjustment mechanism. The drive gear advantageously consists of an engaged pair of gears, which is arranged on the pin of the drive screw, and of the spindle. In order to enable the insole to be connected to the heel without a previously drilled blind hole, two swiveling stabilizing jaws were arranged inside the working head, which in the initial phase of screwing in comprise the countersunk screw thread. These stabilizing jaws are advantageously arranged on two levers which are articulated in the working head by means of bolts. The two levers are connected by means of a spring and each of the levers abuts the control cam with its side projection, which is formed on the spindle. Each stabilizing jaw advantageously has an arc profile which corresponds to the roller profile of the countersunk screw thread, whereas the control cam advantageously has a conical profile. In order to allow the insole to be inclined and the countersunk screw to be directed into the selected heel part, the front part of the head is formed on the pivotable plate which is articulated to the head. For a secure fixation of the heel and the insole, the fixing assembly has at least one counter-holder, which rests on the heel surface. The device according to the invention is insensitive to a sudden increase in the screw-in resistance of the countersunk screw when its thread engages the steel stiffener of the insole. The elongated shape of the working head enables the processing of shoes with a long shaft and the swiveling end face of the working head allows the countersunk screw to be given precisely in the selected direction.
Der Gegenstand der Erfindung ist im Ausführungsbeispiel auf der Zeichnung dargestellt, wo Fig. 1 die Einrichtung für die Verbindung des Absatzes mit der Brandsohle eines Schuhes mittels einer zentralen Senkschraube im senkrechten Längsschnitt zeigt, die eine Gewindespindel des Schraubendrehers hat, Fig. 2 - die Einrichtung mit glatter Spindelfläche des Schraubendrehers und der Antriebsschraube im senkrechten Längsschnitt, Fig. 3 - den Arbeitskopfteil mit Stabilisierungsbacken der Senkschraube im senkrechten Schnitt und Fig. 4 - eine Draufsicht des Arbeitskopfes mit Stabilisierungsbacken zeigt.The object of the invention is shown in the embodiment in the drawing, where Fig. 1 shows the device for connecting the heel to the insole of a shoe by means of a central countersunk screw in vertical longitudinal section, which has a threaded spindle of the screwdriver, Fig. 2 - the device with a smooth spindle surface of the screwdriver and the drive screw in a vertical longitudinal section, FIG. 3 - the working head part with stabilizing jaws of the countersunk screw in a vertical section and FIG. 4 - a top view of the working head with stabilizing jaws.
Die Einrichtung gemäss der Erfindung hat einen festen, längs- angeordnetem Arbeitskopf 1 in Form einer senkrechten Säule 2. Deren unteres Ende ist am festen Untersatz 3 befestigt. Der Arbeitskopf 1 hat eine Längsöffnung 4, in der sich die Spindel 5 mit schraubenförmiger Wendebewegung befindet, die oben mit dem Schraubendreher 6 beendet ist. Das Profil des Endstückes des Schraubendrehers 5 ist an das Schlitzprofil oder an den Kreuzschlitz im Senkschraubenkopf 7 angepasst. Der untere Teil der Spindel 5 ist an den im Prinzip bekannten, jedoch auf der Zeichnung nicht dargestellten Antriebsmechanismus mit Wendebetrieb angeschlossen, wobei die Antriebsquelle ein pneumatischer oder hydraulischer Kolbenstellmotor mit einem Kurbel-Kettengetriebe ist. Am Ende des Schraubendrehers 6 wird die zentrale Senkschraube 7 mit dem Gewinde 8 angebracht. Die Steigung der Schraubenbewegung der Spindel 5 entspricht der Steigung des Gewindes 8 der Senkschraube 7.The device according to the invention has a fixed, longitudinal arranged working head 1 in the form of a vertical column 2. The lower end is fixed to the fixed base 3. The working head 1 has a longitudinal opening 4, in which the spindle 5 is located with a helical turning movement, which is ended at the top with the screwdriver 6. The profile of the end piece of the screwdriver 5 is adapted to the slot profile or to the cross recess in the countersunk screw head 7. The lower part of the spindle 5 is connected to the drive mechanism with reversing operation which is known in principle but is not shown in the drawing, the drive source being a pneumatic or hydraulic piston servomotor with a crank chain transmission. At the end of the screwdriver 6, the central countersunk screw 7 with the thread 8 is attached. The pitch of the screw movement of the spindle 5 corresponds to the pitch of the thread 8 of the countersunk screw 7.
Über dem Arbeitskopf 1 befindet sich die Fixierbaugruppe 9, die die Brandsohle 10 an die Stirnfläche 11 des Arbeitskopfes 1 mittels des zu befestigenden Absatzes 12 andrückt. Diese Stirnfläche ist auf der schwenkbaren Platte 13 gebildet, die an den Arbeitskopf 1 gelenkig angeschlossen ist. Die Platte 13 wird nach oben oder nach unten pendelnd mittels der Stellschraube 14 bewegt. Die Fixierbaugruppe 9 hat zwei von Hand ausschwenkbare Gegenhalter 15 und 16, die an dieAbove the working head 1 there is the fixing assembly 9, which presses the insole 10 against the end face 11 of the working head 1 by means of the heel 12 to be fastened. This end face is formed on the pivotable plate 13, which is articulated to the working head 1. The plate 13 is moved up or down by means of the adjusting screw 14. The fixing assembly 9 has two counterholders 15 and 16 which can be swung out by hand and which are attached to the
Absatzfläche 12 anliegen. Die Einrichtung gemäss Fig. 1 hat eine Spindel 5 mit dem Gewinde 17, das in den Gewindeabschnitt 18 der Längsöffnung 4 in Form einer separaten Mutter 19 eingedreht ist, die am festen Untersatz 3 befestigt ist. Die Steigung des Gewindes 17 der Spindel 5 ist der Steigung des Gewindes 8 der Senkschraube 7 gleich, was deren ordnungsgemässes Eindrehen in die Brandsohle 10 und in den Absatz 12 sichert. In der Einrichtung gemäss Fig. 2 hat die ganze Spindel 5 eine glatte Zylinderfläche 20, die in der Zylinderöffnung 4' des Arbeitskopfes 1 gleitend angeordnet ist. Neben der Spindel 5 befindet sich eine feste Mutter 21, die im festen Untersatz 3 gebildet ist. In die Mutter 21 ist die Antriebsschraube 22 mit Wendebewegung eingedreht. Die Schraube 22 ist an den im Prinzip bekannten, jedoch nicht dargestellten Antriebsmechanismus mit Wendewirkung angeschlossen, wo die Antriebsquelle ein pneumatischer oder hydraulischer Kolbenstellmotor ist. Darüber hinaus hat die Antriebsschraube 22 eine Verbindung mit der Spindel 5 mittels des Antriebsgetriebes 23. Dieses Antriebsgetriebe besteht aus einem miteinander im Eingriff stehenden Zahnradpaar 24 und 25, das auf den Zapfen 26, 27 der Antriebsschraube 22 und der Spindel 5 aufgesetzt ist. Zwei benachbarte Stirnflächen 28, 29 der Antriebsschraube 22 sowie der Spindel 5 sind auf den an Enden des Zweiarmhebels 32 gebildeten Stützen 30, 31 drehbar gestützt. Der Mittelabschnitt des Zweiarmhebels 32 ist mit dem festen Untersatz 3 mittels eines entlang des Hebels 32 sowie des des Untersatzes 3 gleitend verstellbaren Gelenkes 33 pendelnd verbunden. Das Gelenk 33 ist an den stufenlosen Schrauben- stellmechanismus 34 mit Handantrieb angeschlossen. Zwecks Unterstützung und ordnungsmässiger Führung der Senkschraube 7 im Inneren des Arbeitskopfes 1 wurden zwei schwenkbare Stabilisierungsbacken 35 angeordnet, die das Gewinde 8 der Senkschraube 7 in der Anfangsphase desHeel area 12 fit. 1 has a spindle 5 with the thread 17 which is screwed into the threaded section 18 of the longitudinal opening 4 in the form of a separate nut 19 which is fastened to the fixed base 3. The pitch of the thread 17 of the spindle 5 is the same as the pitch of the thread 8 of the countersunk screw 7, which ensures that it is properly screwed into the insole 10 and the heel 12. 2 has the Whole spindle 5 has a smooth cylindrical surface 20 which is slidably arranged in the cylinder opening 4 'of the working head 1. In addition to the spindle 5 there is a fixed nut 21 which is formed in the fixed base 3. The drive screw 22 is screwed into the nut 21 with a reversing movement. The screw 22 is connected to the drive mechanism with reversing effect which is known in principle but not shown, where the drive source is a pneumatic or hydraulic piston servomotor. In addition, the drive screw 22 is connected to the spindle 5 by means of the drive gear 23. This drive gear consists of a pair of gearwheels 24 and 25 which are in engagement with one another and which is placed on the pins 26, 27 of the drive screw 22 and the spindle 5. Two adjacent end faces 28, 29 of the drive screw 22 and the spindle 5 are rotatably supported on the supports 30, 31 formed at the ends of the two-arm lever 32. The middle section of the two-arm lever 32 is connected to the fixed base 3 in an oscillating manner by means of a joint 33 which is slidably adjustable along the lever 32 and the base 3. The hinge 33 is connected to the continuously variable screw actuating mechanism 34 with manual drive. In order to support and properly guide the countersunk screw 7 inside the working head 1, two pivotable stabilizing jaws 35 were arranged, which thread 8 of the countersunk screw 7 in the initial phase of the
Eindrehens am Umfang umfassen. Die Stabilisierungsbacken 35 sind auf zwei Hebeln 36 gegenüberliegend angeordnet, die imInclude screwing in at the perimeter. The stabilizing jaws 35 are arranged opposite one another on two levers 36, which in the
Arbeitskopf 1 mittels Bolzen 37 gelenkig aufgesetzt sind. BeideWorking head 1 are articulated by means of bolts 37. Both
Hebel 36 sind mittels der Feder 38 verbunden, die sie zueinander nähert. Jeder der Hebel 36 hat einen Seitenvorsprung 39, der an den auf der Spindel 5 gebildeten Steuernocken 40 anliegt. Wiederum jeder Stabilisierungsbacken 35 hat ein Bogenprofil, das dem Walzenprofil des Gewindes 8 der Senkschraube 7 entspricht, dagegen der Steuernocken 40 hat ein Kegelprofil. Der bearbeitete Schuh mit dem vorbefestigten Absatz 12 wird auf dem Arbeitskopf 1 so angeordnet, dass die Innenfläche der Brandsohle 10 an die entsprechend geneigte Platte 13 anliegt. Der Absatz 12 und die Brandsohle 10 wird auf dem Arbeitskopf 1 mittels der Gegenhalter 15, 16 fixiert. Unter der Wirkung des nicht dargestellten Antriebsmechanismus versetzt sich die Spindel 5 mit dem Schraubendreher 6 und der auf dessen Ende aufgesetzten Senkschraube 7 mit Schraubenbewegung nach oben. In der Anfangsphase dieser Bewegung unterstützen die aneinander nahe gelegenen Stabilisierungsbacken 35 seitlich das Gewinde 8 der Senkschraube 7 und in der Endphase entfernen sie sich davon, wodurch eine freie Bewegung des Kopfes der Senkschraube 7 ermöglicht wird. Wenn der Kopf der Senkschraube 7 in die Brandsohle 10 eindringt oder sich auf dem nicht dargestellten Stahlsteifer stützt, dann steigen die Eindrehwiderstände der Senkschraube 7 soweit, dass der nicht dargestellte, pneumatische oder hydraulische Antriebsmechanismus infolge Überlastung selbsttätig stehen bleibt. Nach der Lösung der Gegenhalter 15, 16 wird der fertige Schuh aus der Einrichtung heruntergenommen und die Spindel 5 mit dem Schraubendreher 6 fährt in die Anfangsposition zurück. Bei den Änderungen der Art verwendeter Senkschrauben und damit verbundener Steigungsänderung deren Gewinde 8 in der Einrichtung gemäss Fig. 1 ist die Auswechselung der Gewindespindel 5 sowie der fixierten Mutter 19 zwecks einer entsprechenden Vereinheitlichung der Gewinde notwendig. In der in Fig. 2 dargestellten Einrichtung ist in einer solchen Situation das Gelenk 33 entlang des Hebels 32 mittels des Schraubenstellmechanismus 34 entsprechend umzustellen, dank dessen wird die gewünschte Steigungsänderung der Gewindebewegung der Spindel 5 erreicht.Levers 36 are connected by means of the spring 38 which approaches them to one another. Each of the levers 36 has a side projection 39 which bears against the control cam 40 formed on the spindle 5. Again, each stabilizing jaw 35 has an arc profile that corresponds to the roller profile of the thread 8 of the countersunk screw 7, whereas the control cam 40 has a conical profile. The machined shoe with the prefabricated heel 12 is arranged on the working head 1 so that the inner surface of the insole 10 lies against the correspondingly inclined plate 13. The heel 12 and the insole 10 are fixed on the working head 1 by means of the counterholders 15, 16. Under the action of the drive mechanism, not shown, the spindle 5 with the screwdriver 6 and the countersunk screw 7 placed on the end thereof is moved upward with a screw movement. In the initial phase of this movement, the stabilizing jaws 35, which are located close to one another, laterally support the thread 8 of the countersunk screw 7 and in the final phase they move away therefrom, thereby allowing the head of the countersunk screw 7 to move freely. If the head of the countersunk screw 7 penetrates into the insole 10 or is supported on the steel stiffener, not shown, then the screw-in resistance of the countersunk screw 7 increases to such an extent that the pneumatic or hydraulic drive mechanism, not shown, automatically stops due to overload. After releasing the counterholders 15, 16, the finished shoe is removed from the device and the spindle 5 with the screwdriver 6 moves back into the starting position. In the case of changes in the type of countersunk screws used and the associated change in pitch of their thread 8 in the device according to FIG. 1, the threaded spindle 5 and the fixed nut 19 must be replaced in order to correspondingly standardize the thread. In such a situation, in the device shown in FIG. 2, the joint 33 along the lever 32 is to be appropriately converted by means of the screw adjusting mechanism 34, thanks to this, the desired change in pitch of the thread movement of the spindle 5 is achieved.
Die Realisationsmöglichkeiten der Erfindung sind nicht auf das dargestellte Beispiel begrenzt. Im Bedarfsfall, anstelle des Antriebsmechanismus, der infolge einer Überlastung abschaltet, kann ein Antrieb angewendet werden, der der Spindel 5 eine Schraubenbewegung mit einer präzise bestimmten Drehzahl verleiht. Ein gleitloses Kuppeln der Antriebsschraube 22 mit der Spindel 5 kann auch erreicht werden, indem ein Ketten- oder Zahn- riemengetriebe zur Anwendung kommt. Zwecks Abstützung der Senkschraube 7 können Stabilisierungsbacken 35 mit Winkelprofil angewendet werden. Darüber hinaus kann der Steuernocken 40 ein beliebiges konvexes oder konkaves Profil, dagegen die Senkschraube 7 einen Linsen- oder konvexes Kopf mit flachem Untersatz haben. The implementation options of the invention are not limited to the example shown. If necessary, instead of the drive mechanism which switches off as a result of an overload, a drive can be used which gives the spindle 5 a screw movement at a precisely determined speed. A smooth coupling of the drive screw 22 with the spindle 5 can also be achieved by using a chain or toothed belt transmission. Stabilizing jaws 35 with an angular profile can be used to support the countersunk screw 7. In addition, the control cam 40 can have any convex or concave profile, whereas the countersunk screw 7 has a lens or convex head with a flat base.
Bezeichnungendesignations
- Arbeitskopf 21 - Mutter - Säule 22 - Antriebschraube - Untersatz 23 - Antriebsgetriebe - Längsöffnung 24 - Zahnrad ' - Zylinderöffnung 25 - Zahnrad - Spindel 26 - Zapfen - Schraubendreher 27 - Zapfen - Senkschraube 28 - Stirnfläche - Gewinde 29 - Stirnfläche - Fixierbaugruppe 30 - Stütze 0 - Brandsohle 31 - Stütze 1 - Stirnfläche 32 - Zweiarmhebel 2 - Absatz 33 - Gelenk 3 - Platte 34 - Schraubenstell- mechanismus 4 - Stellschraube 35 - Stabilisierungsbacke 5 - Gegenhalter 36 - Hebel 6 - Gegenhalter 37 - Bolzen 7 - Gewinde 38 - Feder 8 - Gewindeabschnitt 39 - Seitenvorsprung 9 - Mutter 40 - Steuernocken 0 - Zylinderläche - Working head 21 - Nut - Pillar 22 - Drive screw - Base 23 - Drive gear - Longitudinal opening 24 - Gear '- Cylinder opening 25 - Gear - Spindle 26 - Pin - Screwdriver 27 - Pin - Countersunk screw 28 - Face - Thread 29 - Face - Fixing assembly 30 - Support 0 - insole 31 - support 1 - end face 32 - two-arm lever 2 - heel 33 - joint 3 - plate 34 - screw adjusting mechanism 4 - adjusting screw 35 - stabilizing jaw 5 - counter holder 36 - lever 6 - counter holder 37 - bolt 7 - thread 38 - Spring 8 - threaded section 39 - side projection 9 - nut 40 - control cam 0 - cylinder surface

Claims

Patentansprüche claims
1. Die Einrichtung für die Verbindung des Absatzes mit der Brandsohle eines Schuhes mittels einer zentralen Senkschraube, ausgestattet mit einem Schraubendreher mit selbsttätigem Antrieb, gekennzeichnet dadurch, dass sie einen festen längsangeordneten Arbeitskopf (1) sowie eine Fixierbaugruppe (9) hat, die die Brandsohle (10) an die Stirnfläche (11) des Arbeitskopfes (1) mittels des zu befestigenden Absatzes (12) andrückt und in der Längsöffnung (4) des Arbeitskopfes (1) ist eine Spindel (5) mit Schraubenbewegung angeordnet, deren Steigung der Steigung des Gewindes (8) der Senkschraube (7) entspricht, wobei die Spindel (5) mit einem Schraubendreher (6) beendet und am Antriebsmechanismus angeschlossen ist.1. The device for connecting the heel to the insole of a shoe by means of a central countersunk screw, equipped with a screwdriver with an automatic drive, characterized in that it has a fixed longitudinally arranged working head (1) and a fixing assembly (9) that the insole (10) presses against the end face (11) of the working head (1) by means of the shoulder (12) to be fastened and in the longitudinal opening (4) of the working head (1) a spindle (5) is arranged with a screw movement, the gradient of which increases with the gradient of the Thread (8) corresponds to the countersunk screw (7), the spindle (5) ending with a screwdriver (6) and connected to the drive mechanism.
2. Die Einrichtung gemäss Anspruch 1, gekennzeichnet dadurch, dass der Arbeitskopf (1) die Form einer senkrechten Säule (2) hat, deren unteres Ende am festen Untersatz (3) befestigt ist.2. The device according to claim 1, characterized in that the working head (1) has the shape of a vertical column (2), the lower end of which is attached to the fixed base (3).
3. Die Einrichtung gemäss Anspruch 1 , gekennzeichnet dadurch, dass die Spindel (5) ein Gewinde (17) hat, das in einen Gewindeabschnitt (18) der Längsöffnung (4) des Kopfes (1) eingedreht ist, 103. The device according to claim 1, characterized in that the spindle (5) has a thread (17) which is screwed into a threaded section (18) of the longitudinal opening (4) of the head (1), 10
wobei die Steigung des Gewindes (17) der Spindel (5) der Steigung des Gewindes der befestigenden Senkschraube (7) gleich ist.wherein the pitch of the thread (17) of the spindle (5) is equal to the pitch of the thread of the fastening countersunk screw (7).
4. Die Einrichtung gemäss Anspruch 3, gekennzeichnet dadurch, dass der Gewindeabschnitt (18) der Längsöffnung (4) des Arbeitskopfes (1) in einer getrennten am Untersatz (3) befestigten Mutter (19) gebildet ist.4. The device according to claim 3, characterized in that the threaded portion (18) of the longitudinal opening (4) of the working head (1) is formed in a separate nut (19) attached to the base (3).
5. Die Einrichtung gemäss Anspruch 1 , gekennzeichnet dadurch, dass die ganze Spindel (5) eine glatte zylindrische Fläche (20) hat, die in der Zylinderöffnung (4') des Arbeitskopfes (1) angeordnet ist und im festen Untersatz (3) neben der Spindel (5) eine feste Mutter (21) gebildet ist, in die die am Antriebsmechanismus angeschlossene Antriebsschraube (22) eingedreht ist, wobei die Antriebsschraube (22) mit der Spindel (5) mit Hilfe des Antriebsgetriebes (23) verbunden ist und zwei benachbarte Stirnflächen (28, 29) der Antriebsschraube (22) und der Spindel (5) sind an den an Enden des Zweiarmhebels (32) gebildeten Stützen (30,31) drehbar abgestützt sind, dagegen dessen Mittelabschnitt mit dem festen Untersatz (3) mittels des Gelenkes (33) pendelnd verbunden ist, das entlang diesem Zweiarmhebel verstellbar ist.5. The device according to claim 1, characterized in that the entire spindle (5) has a smooth cylindrical surface (20) which is arranged in the cylinder opening (4 ') of the working head (1) and in the fixed base (3) next to the spindle (5) has a fixed nut (21) into which the drive screw (22) connected to the drive mechanism is screwed, the drive screw (22) being connected to the spindle (5) by means of the drive gear (23) and two Adjacent end faces (28, 29) of the drive screw (22) and the spindle (5) are rotatably supported on the supports (30, 31) formed at the ends of the two-arm lever (32), while the middle section thereof is fixed with the fixed base (3) by means of of the joint (33) is connected in an oscillating manner, which is adjustable along this two-arm lever.
6. Die Einrichtung gemäss Anspruch 5, gekennzeichnet dadurch, dass das verstellbare Gelenk (33) des Zweiarmhebels (32) am Schraubenverstellmechanismus (34) angeschlossen ist.6. The device according to claim 5, characterized in that the adjustable joint (33) of the two-arm lever (32) is connected to the screw adjustment mechanism (34).
7. Die Einrichtung gemäss Anspruch 5, gekennzeichnet dadurch, dass das Antriebsgetriebe (23) aus einem Paar miteinander im Eingriff stehender Zahnräder (24, 25) besteht, die auf den Zapfen (26, 27) der Antriebsschraube (22) und der Spindel (5) aufgesetzt sind. 117. The device according to claim 5, characterized in that the drive gear (23) consists of a pair of meshing gears (24, 25) which on the pin (26, 27) of the drive screw (22) and the spindle ( 5) are attached. 11
8. Die Einrichtung gemäss Anspruch 1 oder 3 oder 5, gekennzeichnet dadurch, dass im Inneren des Arbeitskopfes (1) zwei schwenkbare Stabilisierungbacken (35) angeordnet sind, die das Gewinde (8) der Senkschraube (7) in der Anfangsphase des Eindrehens umfassen.8. The device according to claim 1 or 3 or 5, characterized in that two pivotable stabilizing jaws (35) are arranged in the interior of the working head (1), which comprise the thread (8) of the countersunk screw (7) in the initial phase of screwing.
9. Die Einrichtung gemäss Anspruch 8, gekennzeichnet dadurch, dass die Stabilisierungsbacken (35) an zwei Hebeln (36) angeordnet sind, die im Arbeitskopf (1) mittels Bolzen (37) gelenkig gelagert sind, wobei beide Hebel (36) mittels einer Feder (38) verbunden sind und jeder Hebel (36) mit seinem Seitenvorsprung (39) am Steuernocken (40) anliegt, der auf der Spindel (5) gebildet ist.9. The device according to claim 8, characterized in that the stabilizing jaws (35) are arranged on two levers (36) which are articulated in the working head (1) by means of bolts (37), both levers (36) by means of a spring (38) are connected and each lever (36) rests with its side projection (39) on the control cam (40) which is formed on the spindle (5).
10. Die Einrichtung gemäss Anspruch 8, gekennzeichnet dadurch, dass jede der Stabilisierungsbacken (35) ein Bogenprofü hat, das dem Walzenprofil des Gewindes (8) der Senkschraube (7) entspricht.10. The device according to claim 8, characterized in that each of the stabilizing jaws (35) has an arc profile which corresponds to the roller profile of the thread (8) of the countersunk screw (7).
11. Die Einrichtung gemäss Anspruch 9, gekennzeichnet dadurch, dass der Steuernocken (40) ein Kegelprofil hat.11. The device according to claim 9, characterized in that the control cam (40) has a conical profile.
12. Die Einrichtung gemäss Anspruch 1, gekennzeichnet dadurch, dass die Stirnfläche (11) des Arbeitskopfes (1) auf der schwenkbaren Platte (13) gebildet ist, die am Arbeitskopf (1) gelenkig angeschlossen ist.12. The device according to claim 1, characterized in that the end face (11) of the working head (1) is formed on the pivotable plate (13) which is articulated to the working head (1).
13. Die Einrichtung gemäss Anspruch 1, gekennzeichnet dadurch, dass die Fixierbaugruppe (9) mindestens einen schwenkbaren Gegenhalter (15, 16) hat, der an die Fläche des Absatzes (12) anliegt. 13. The device according to claim 1, characterized in that the fixing assembly (9) has at least one pivotable counter-holder (15, 16) which rests on the surface of the shoulder (12).
EP03797757A 2002-09-23 2003-08-25 Device for joining the heel to the sole of a shoe using a central countersunk screw Expired - Lifetime EP1551245B8 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PL35623202 2002-09-23
PL02356232A PL356232A1 (en) 2002-09-23 2002-09-23 Appliance for joining heel on sole by means of central screw
PCT/PL2003/000082 WO2004026064A1 (en) 2002-09-23 2003-08-25 Device for joining the heel to the sole of a shoe using a central countersunk screw

Publications (3)

Publication Number Publication Date
EP1551245A1 true EP1551245A1 (en) 2005-07-13
EP1551245B1 EP1551245B1 (en) 2005-12-21
EP1551245B8 EP1551245B8 (en) 2006-03-08

Family

ID=32026332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03797757A Expired - Lifetime EP1551245B8 (en) 2002-09-23 2003-08-25 Device for joining the heel to the sole of a shoe using a central countersunk screw

Country Status (5)

Country Link
EP (1) EP1551245B8 (en)
AT (1) ATE313281T1 (en)
DE (1) DE50302025D1 (en)
PL (1) PL356232A1 (en)
WO (1) WO2004026064A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20090331A1 (en) * 2009-04-27 2010-10-28 Alc Flenco Group S R L METHOD AND GROUP FOR THE CREATION OF A FOOTWEAR WITH HEEL
IT201900007055A1 (en) * 2019-05-21 2020-11-21 Sabal S P A Officina Mecc ADJUSTABLE DEVICE FOR SUPPORTING AN INSOLE OR A SOLE OF A FOOTWEAR IN A MACHINE FOR THE APPLICATION OF HEELS AND RELATIVE ADJUSTMENT METHOD.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2306530A (en) * 1941-07-23 1942-12-29 Goodrich Co B F Heel nailing machine
DE971702C (en) * 1952-09-24 1959-03-12 United Shoe Machinery Corp Shoe machine, in particular heel nailing machine, with a swiveling workpiece carrier
DE1043869B (en) * 1956-09-08 1958-11-13 Albeko Schuhmaschinen Ges M B Heel screwing machine with reversible motor
DE1858266U (en) * 1962-04-11 1962-09-06 Klaus Fleidl SHOE WOOD LOWER PART WITH REMOVABLE ROUND HEEL.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004026064A1 *

Also Published As

Publication number Publication date
WO2004026064A1 (en) 2004-04-01
PL356232A1 (en) 2004-04-05
ATE313281T1 (en) 2006-01-15
EP1551245B1 (en) 2005-12-21
EP1551245B8 (en) 2006-03-08
DE50302025D1 (en) 2006-01-26

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