EP3242771A1 - Manual device for fitting sealing plugs for a cylinder block - Google Patents

Manual device for fitting sealing plugs for a cylinder block

Info

Publication number
EP3242771A1
EP3242771A1 EP15823639.8A EP15823639A EP3242771A1 EP 3242771 A1 EP3242771 A1 EP 3242771A1 EP 15823639 A EP15823639 A EP 15823639A EP 3242771 A1 EP3242771 A1 EP 3242771A1
Authority
EP
European Patent Office
Prior art keywords
tool
bore
housing
cylinder block
ball 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.)
Withdrawn
Application number
EP15823639.8A
Other languages
German (de)
French (fr)
Inventor
Camille AUFSATZ
Norbert Trouillet
Jean Philippe LINDEN
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.)
PSA Automobiles SA
Original Assignee
PSA Automobiles SA
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 PSA Automobiles SA filed Critical PSA Automobiles SA
Publication of EP3242771A1 publication Critical patent/EP3242771A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/0035—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for motor-vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws

Definitions

  • the present invention relates to a manual device for installing closure plugs for a cylinder block in the context of a motor assembly line. This device is usable for all types of engines.
  • bores are made in the housing wall. A portion of the bores is generated by the passage of pins for forming oil channels in the housing, and other bores are generated to form vents. These bores must be closed to ensure the oil seal of the housing.
  • the closure generally consists of the use of screwed plugs or plugs, made for example of a plastic material, force-fitted inside the bore of the housing.
  • the plugs are inserted by an automatic station using a system equipped with electric presses.
  • This system also includes an elevator for indexing the housing on a reference surface.
  • the automatic filling stations are complex positions that require significant investments with yields depending on the quality of packaging plugs. These systems are cumbersome because of the presence of presses that increase the floor occupation area of the assembly. In addition, such systems are suitable for high speeds, but not at low volumetries as may be the case when launching a new vehicle for example, so that the investment for the integration of this type of item may in some cases not be in line with the actual need of the production line.
  • the invention aims to effectively overcome these disadvantages by providing a manual device for the establishment of closure caps of a cylinder casing, characterized in that said device comprises:
  • an elongated frame provided at one of its ends with a tool able to insert said closure plug inside a bore made in said cylinder casing and at its other end with a counterweight, and a guide system for positioning an axis of said tool along an axis of said bore formed in said cylinder block.
  • the invention is thus adapted to low production rates lines that can be at the beginning of the project when the volume is uncertain.
  • the invention can easily be configured for the assembly of different types of housings.
  • the invention also allows the operator to work in continuously scrolling assembly phases, which improves the economic performance of the assembly line. It should also be noted that, thanks to the invention, the insertion of the plugs in the cylinder block is performed without effort for the operator and in the desired position during a mounting phase of the cylinder block.
  • a resilient means is located inside a housing of said tool to allow said closure cap to automatically cooperate with a chamfer of the bore of said cylinder housing.
  • said tool comprises a ball screw system adapted to transform a rotational movement into a translational force to fit said closure cap into the bore of said cylinder housing.
  • said ball screw system is configured to be actuated by means of an external screwdriver to said device.
  • said ball screw system has a displacement which depends on a thickness of said closure cap.
  • said tool has an axis extending in a direction substantially perpendicular to a longitudinal direction of said frame.
  • said guide system comprises at least one driver for cooperating with a complementary shape formed in said cylinder housing.
  • said guide system comprises a shoulder formed on said frame intended to bear against a side face of said cylinder casing perpendicular to a face in which is formed said bore.
  • said gripping means is constituted by a handle.
  • Figure 1 is a perspective view of a manual device for placing closure cap for cylinder housing according to the present invention
  • Figure 2 is a perspective view of an alternative embodiment of the manual device of Figure 1 to allow the fitting of a plug in an opposite side face of the cylinder housing;
  • Figure 3 is a sectional view of the tool belonging to the device of Figures 1 and 2 adapted to insert a closure plug in a bore of the cylinder housing;
  • Figure 4 is a perspective view of a cylinder casing on which are positioned the devices for placing closure plugs of Figures 1 and 2.
  • Figures 1 and 2 show a device 10, 10 'manual implementation of closure caps 1 1 in bores of a cylinder housing 12 shown more specifically in Figure 4.
  • This device 10, 10 comprises a gripping means 13 constituted in this case by a handle integral with a frame 16 elongated and rigid.
  • This elongated frame 16 is provided at one of its ends with a tool 17 adapted to receive a closure cap 1 1 and force-fit it inside a bore made in the housing 12, and to its other
  • the counterweight 20 is intended to compensate for the weight of the tool 17 so as to adjust the position of the center of gravity of the device 10 substantially at the level of the handle 13.
  • a guiding system 23 is for positioning an X axis of the tool 17 along a Y axis of the bore in the cylinder housing 12.
  • the frame 16 of the device 10 comprises a first longitudinal portion 161 which is secured to the handle 13 and the counterweight 20, and a second portion 162 from an end of the first portion 161 at the level of a longitudinal edge of the first portion 161.
  • This second portion 162 has an elongation direction D2 extending substantially perpendicular to the direction of extension D1 of the first portion 161 which corresponds to the longitudinal direction of the frame 16.
  • the tool 17 is secured to the second portion 162 by being fixed at a free end of this second portion 162 via an upper zone of the tool 17. In the variant embodiment of FIG. 2, the tool 17 is fixed on the free end of the second portion 162 via a lateral zone of the tool 17.
  • the second portion 162 of the device 10 extends in a direction opposite to that in which the second portion 162 of the device 10 extends.
  • the tool 17 has a housing 24 inside which is positioned an elastic means 25, such as a spring, to allow the cap 1 1 of automatically cooperate with the chamfer of the corresponding bore of the housing 12 during the introduction of the tool 17.
  • the spring 25 has one end bearing against the bottom of the housing 24 and another free end on which can be fixed a end piece 26 intended to come into contact with a rear face of the cap 1 1.
  • the axis X of the tool 17 extends in a direction substantially perpendicular to the longitudinal direction D1 of the frame 16.
  • the tool 17 further comprises a ball screw system 29 adapted to transform a rotational movement into a translational force to allow to force the plug 1 1 into the bore of the casing 12 to be closed.
  • the ball screw system 29 is configured to be actuated with a screwdriver external to the device 10. Thus, it will be possible for the operator to use a screwdriver available at the mounting station.
  • the movement of the ball screw system 29 depends on the thickness of the cap 1 1 and thus the depth of the fitting to achieve.
  • the ball screw system 29 comprises a rod 31 provided at one end with a head 32 located outside the body 25 and intended to cooperate with the screwdriver and at its other end a collar 33.
  • the flange 33 is located in a housing 34 of the body 35 and is connected to said fixed body relative to the frame 16 by means of a helical link 36.
  • the flange 33 is extended at its outer periphery by a annular portion 37 of axial orientation which passes axially through the body 35 and a free end 371, clearly visible in Figure 2, is intended to bear against the back of the cap 1 1.
  • the diameter of the annular portion 37 at level of the free end 371 is smaller than the diameter of the plug 1 1.
  • the ball screw system 29 is configured to abut, via the flange 33, against an inner face 38 defining the housing 34 located on the side of the spring 25 and s'. extending perpendicular to the axis X of the tool 17. This ensures the complete insertion of the plug 1 1 in the bore of the housing 12.
  • the screw system to ball 29 comes into abutment, via the flange 33, against an inner face 39 of the tool 17 opposite to the face 38.
  • This face 39 is also perpendicular to the axis X of the tool 17.
  • the gap between the two faces 38, 39 vis-à-vis one of the other corresponds to the aforementioned clearance of the ball screw system 29.
  • the guide system 23 comprises drivers 42 intended to cooperate with complementary shapes of the housing 12 for indexing the device 10 relative to the housing 12.
  • These drivers 42 may be constituted by pads cooperating with bores formed in the housing 12. On a particular type of engine, one of the bores may for example be intended to later receive the pin refocusing of the oil tank.
  • the drivers 42 are constituted by recesses intended to cooperate with protuberances coming from the housing 12.
  • the guide system 23 has a shoulder 46 formed on the frame 16. More specifically, this shoulder 46 is constituted by the second portion 162 of the frame 16 which bears locally against a lateral face 123 perpendicular to the upper face 124 of the housing 12 on which bears the first portion 161.
  • the face 123 is also perpendicular to the side face 121 in which is formed the bore to be closed. This avoids the possible rotation of the tool 17 around an axis Z perpendicular to the upper face 124 of the housing 12 during use.
  • the element referenced 47 corresponds to a plane support.
  • the housing 12 arrives at the assembly station. The operator then grasps a closure cap 1 1 and inserts it into the tool 17 in a recess 48 located around the housing 24 receiving the spring 25.
  • the device 10, 10 ' is then indexed on the housing 12 with the corresponding drivers 42 and if appropriate the shoulder 46 of the tool 17.
  • the inner face of the first portion 161 of the frame 16 is in contact with the upper face 124 of the housing 12, while the cap 1 1 cooperates automatically, thanks to the spring 25, with the chamfer of the bore formed in a lateral faces 121, 122 of the housing 12 perpendicular to the upper face 124.
  • the operator grasps the suspended screwdriver and then inserts it into the head 32 of the rod 31 having a complementary shape.
  • the screwing is then performed until the collar 33 abuts against the face 38 to ensure complete insertion of the plug 1 1 in the bore of the housing 12.
  • the free end 371 of the part annular 37 moves by exerting an axial force on the plug 1 1 so as to force force the plug 1 1 inside the corresponding bore.
  • the operator then performs a unscrewing operation in abutment in the other direction (the flange 33 rests against the face 39) and then discards the screwdriver from the tool 17.
  • the operator deposits the device 10, 10 on a corresponding support (not shown).
  • the automaton ensures that all operations have been performed and releases the housing 12.
  • the insertion of the cap 1 1 is performed by the tool 17 by screwing.
  • the gripping means 13 constituted by the U-shaped handle whose ends are fixed on the frame 16 may take any other form, such as for example the shape of a spherical handle attached to a middle portion of the frame 16.
  • the device 10 may also be used for the fitting of other plugs 1 1 present in the lateral bores of the housing 12. It is then sufficient to change the position of the drivers 42 and the diameter of the ball screw system 29 of the tool 17.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention relates primarily to a manual device (10) for fitting sealing plugs for a cylinder block, characterized in that said device (10) comprises: a gripping means (13), an elongate frame (16) provided at one of its ends with a tool (17) that is able to insert said sealing plug into a bore made in said cylinder block and at its other end with a counterweight (20), and a guide system (23) intended to position an axis (X) of said tool (17) along an axis of said bore formed in said cylinder block.

Description

DISPOSITIF MANUEL DE MISE EN PLACE DE BOUCHONS DE FERMETURE POUR CARTER DE CYLINDRES  MANUAL DEVICE FOR PLACING CLOSURE CAPS FOR CYLINDERS HOUSING
[0001 ] La présente invention porte sur un dispositif manuel de mise en place de bouchons de fermeture pour un carter de cylindres dans le cadre d'une ligne d'assemblage de moteurs. Ce dispositif est utilisable pour tous les types de moteurs. The present invention relates to a manual device for installing closure plugs for a cylinder block in the context of a motor assembly line. This device is usable for all types of engines.
[0002] Lors de la fabrication d'un carter de cylindres d'un moteur à combustion interne, des alésages sont réalisés dans la paroi du carter. Une partie des alésages est générée par le passage de broches destinées à former des canaux d'huile dans le carter, et d'autres alésages sont générés pour former des évents. Ces alésages doivent être obturés afin de garantir l'étanchéité à l'huile du carter. L'obturation consiste généralement en l'utilisation de bouchons vissés ou de bouchons, réalisés par exemple dans un matériau plastique, emmanchés à force à l'intérieur de l'alésage du carter. During the manufacture of a cylinder block of an internal combustion engine, bores are made in the housing wall. A portion of the bores is generated by the passage of pins for forming oil channels in the housing, and other bores are generated to form vents. These bores must be closed to ensure the oil seal of the housing. The closure generally consists of the use of screwed plugs or plugs, made for example of a plastic material, force-fitted inside the bore of the housing.
[0003] A cet effet, les bouchons sont insérés par un poste automatique à l'aide d'un système équipé de presses électriques. Ce système comprend également un élévateur pour indexer le carter sur une surface de référence. Les postes de mise en place automatique des bouchons sont des postes complexes qui nécessitent des investissements importants avec des rendements dépendant de la qualité des conditionnements des bouchons. Ces systèmes sont encombrants du fait de la présence des presses qui augmentent la surface d'occupation au sol de l'ensemble. [0004] En outre, de tels systèmes sont adaptés à des cadences élevées, mais pas à des volumétries faibles comme cela peut être le cas lors du lancement d'un nouveau véhicule par exemple, en sorte que l'investissement pour l'intégration de ce type de poste peut dans certains cas ne pas être en adéquation avec le besoin réel de la chaîne de fabrication. [0005] L'invention vise à remédier efficacement à ces inconvénients en proposant un dispositif manuel de mise en place de bouchons de fermeture d'un carter de cylindres, caractérisé en ce que ledit dispositif comporte: For this purpose, the plugs are inserted by an automatic station using a system equipped with electric presses. This system also includes an elevator for indexing the housing on a reference surface. The automatic filling stations are complex positions that require significant investments with yields depending on the quality of packaging plugs. These systems are cumbersome because of the presence of presses that increase the floor occupation area of the assembly. In addition, such systems are suitable for high speeds, but not at low volumetries as may be the case when launching a new vehicle for example, so that the investment for the integration of this type of item may in some cases not be in line with the actual need of the production line. The invention aims to effectively overcome these disadvantages by providing a manual device for the establishment of closure caps of a cylinder casing, characterized in that said device comprises:
- un moyen de préhension,  - a gripping means,
- un cadre allongé muni à une de ses extrémités d'un outil apte à insérer ledit bouchon de fermeture à l'intérieur d'un alésage réalisé dans ledit carter de cylindres et à son autre extrémité d'un contrepoids, et - un système de guidage destiné à positionner un axe dudit outil suivant un axe dudit alésage ménagé dans ledit carter de cylindres. an elongated frame provided at one of its ends with a tool able to insert said closure plug inside a bore made in said cylinder casing and at its other end with a counterweight, and a guide system for positioning an axis of said tool along an axis of said bore formed in said cylinder block.
[0006] Du fait de sa simplicité d'utilisation et de son faible coût, l'invention est ainsi adaptée aux lignes à faibles cadences de production que l'on peut avoir en début de projet lorsque la volumétrie est incertaine. En outre, l'invention peut aisément être configurée pour l'assemblage de différents types de carters. L'invention permet également à l'opérateur de travailler dans des phases d'assemblage au défilement continu, ce qui améliore la performance économique de la ligne d'assemblage. Il est à noter également que, grâce à l'invention, l'insertion des bouchons dans le carter cylindre est effectuée sans effort pour l'opérateur et dans la position souhaitée lors d'une phase de montage du carter de cylindres. Because of its ease of use and its low cost, the invention is thus adapted to low production rates lines that can be at the beginning of the project when the volume is uncertain. In addition, the invention can easily be configured for the assembly of different types of housings. The invention also allows the operator to work in continuously scrolling assembly phases, which improves the economic performance of the assembly line. It should also be noted that, thanks to the invention, the insertion of the plugs in the cylinder block is performed without effort for the operator and in the desired position during a mounting phase of the cylinder block.
[0007] Selon une réalisation, un moyen élastique est situé à l'intérieur d'un logement dudit outil pour permettre audit bouchon de fermeture de coopérer automatiquement avec un chanfrein de l'alésage dudit carter de cylindres. [0008] Selon une réalisation, ledit outil comporte un système de vis à billes apte à transformer un mouvement de rotation en un effort de translation pour emmancher ledit bouchon de fermeture dans l'alésage dudit carter de cylindres. According to one embodiment, a resilient means is located inside a housing of said tool to allow said closure cap to automatically cooperate with a chamfer of the bore of said cylinder housing. According to one embodiment, said tool comprises a ball screw system adapted to transform a rotational movement into a translational force to fit said closure cap into the bore of said cylinder housing.
[0009] Selon une réalisation, ledit système de vis à billes est configuré pour être actionné au moyen d'une visseuse extérieure audit dispositif. [0010] Selon une réalisation, ledit système de vis à billes présente un débattement qui dépend d'une épaisseur dudit bouchon de fermeture. In one embodiment, said ball screw system is configured to be actuated by means of an external screwdriver to said device. According to one embodiment, said ball screw system has a displacement which depends on a thickness of said closure cap.
[001 1 ] Selon une réalisation, ledit outil présente un axe s'étendant suivant une direction sensiblement perpendiculaire à une direction longitudinale dudit cadre. [001 1] In one embodiment, said tool has an axis extending in a direction substantially perpendicular to a longitudinal direction of said frame.
[0012] Selon une réalisation, ledit système de guidage comporte au moins un pilote destiné à coopérer avec une forme complémentaire ménagée dans ledit carter de cylindre. According to one embodiment, said guide system comprises at least one driver for cooperating with a complementary shape formed in said cylinder housing.
[0013] Selon une réalisation, ledit système de guidage comporte un épaulement ménagé sur ledit cadre destiné à venir en appui contre une face latérale dudit carter de cylindres perpendiculaire à une face dans laquelle est réalisé ledit alésage. According to one embodiment, said guide system comprises a shoulder formed on said frame intended to bear against a side face of said cylinder casing perpendicular to a face in which is formed said bore.
[0014] Selon une réalisation, ledit moyen de préhension est constitué par une poignée de manutention. [0015] L'invention sera mieux comprise à la lecture de la description qui suit et à l'examen des figures qui l'accompagnent. Ces figures ne sont données qu'à titre illustratif mais nullement limitatif de l'invention. In one embodiment, said gripping means is constituted by a handle. The invention will be better understood on reading the description which follows and the examination of the figures that accompany it. These figures are given for illustrative but not limiting of the invention.
[0016] La figure 1 est une vue en perspective d'un dispositif manuel de mise en place de bouchon de fermeture pour carter de cylindres selon la présente invention; Figure 1 is a perspective view of a manual device for placing closure cap for cylinder housing according to the present invention;
[0017] La figure 2 est une vue en perspective d'une variante de réalisation du dispositif manuel de la figure 1 pour permettre l'emmanchement d'un bouchon dans une face latérale opposée du carter de cylindres; Figure 2 is a perspective view of an alternative embodiment of the manual device of Figure 1 to allow the fitting of a plug in an opposite side face of the cylinder housing;
[0018] La figure 3 est une vue en coupe de l'outil appartenant au dispositif des figures 1 et 2 apte à insérer un bouchon de fermeture dans un alésage du carter de cylindres; Figure 3 is a sectional view of the tool belonging to the device of Figures 1 and 2 adapted to insert a closure plug in a bore of the cylinder housing;
[0019] La figure 4 est une vue en perspective d'un carter de cylindres sur lequel sont positionnés les dispositifs de mise en place de bouchons de fermeture des figures 1 et 2. Figure 4 is a perspective view of a cylinder casing on which are positioned the devices for placing closure plugs of Figures 1 and 2.
[0020] Les éléments identiques, similaires, ou analogues conservent la même référence d'une figure à l'autre. [0021 ] Les figures 1 et 2 montrent un dispositif 10, 10' manuel de mise en place de bouchons de fermeture 1 1 dans des alésages d'un carter de cylindres 12 montré plus précisément à la figure 4. Identical elements, similar, or the like retain the same reference from one figure to another. Figures 1 and 2 show a device 10, 10 'manual implementation of closure caps 1 1 in bores of a cylinder housing 12 shown more specifically in Figure 4.
[0022] Ce dispositif 10, 10' comporte un moyen de préhension 13 constitué en l'occurrence par une poignée solidaire d'un cadre 16 allongé et rigide. Ce cadre allongé 16 est muni à une de ses extrémités d'un outil 17 apte à recevoir un bouchon de fermeture 1 1 et à l'emmancher à force à l'intérieur d'un alésage réalisé dans le carter 12, et à son autre extrémité d'un contrepoids 20. Ce contrepoids 20 vise à compenser le poids de l'outil 17 de manière à ajuster la position du centre de gravité du dispositif 10 sensiblement au niveau de la poignée 13. En outre, un système de guidage 23 est destiné à positionner un axe X de l'outil 17 suivant un axe Y de l'alésage ménagé dans le carter de cylindres 12. This device 10, 10 'comprises a gripping means 13 constituted in this case by a handle integral with a frame 16 elongated and rigid. This elongated frame 16 is provided at one of its ends with a tool 17 adapted to receive a closure cap 1 1 and force-fit it inside a bore made in the housing 12, and to its other The counterweight 20 is intended to compensate for the weight of the tool 17 so as to adjust the position of the center of gravity of the device 10 substantially at the level of the handle 13. In addition, a guiding system 23 is for positioning an X axis of the tool 17 along a Y axis of the bore in the cylinder housing 12.
[0023] Plus précisément, le cadre 16 du dispositif 10 comporte une première portion 161 longitudinale dont est solidaire la poignée 13 et le contrepoids 20, ainsi qu'une deuxième portion 162 issue d'une extrémité de la première portion 161 au niveau d'un bord longitudinal de la première portion 161 . Cette deuxième portion 162 présente une direction d'allongement D2 s'étendant sensiblement perpendiculairement à la direction d'allongement D1 de la première portion 161 qui correspond à la direction longitudinale du cadre 16. L'outil 17 est solidaire de la deuxième portion 162 en étant fixé à une extrémité libre de cette deuxième portion 162 via une zone supérieure de l'outil 17. Dans la variante de réalisation de la figure 2, l'outil 17 est fixé sur l'extrémité libre de la deuxième portion 162 via une zone latérale de l'outil 17. More specifically, the frame 16 of the device 10 comprises a first longitudinal portion 161 which is secured to the handle 13 and the counterweight 20, and a second portion 162 from an end of the first portion 161 at the level of a longitudinal edge of the first portion 161. This second portion 162 has an elongation direction D2 extending substantially perpendicular to the direction of extension D1 of the first portion 161 which corresponds to the longitudinal direction of the frame 16. The tool 17 is secured to the second portion 162 by being fixed at a free end of this second portion 162 via an upper zone of the tool 17. In the variant embodiment of FIG. 2, the tool 17 is fixed on the free end of the second portion 162 via a lateral zone of the tool 17.
[0024] Dans le mode de réalisation de la figure 2, la deuxième portion 162 du dispositif 10' s'étend dans un sens opposé à celui dans lequel s'étend la deuxième portion 162 du dispositif 10. Autrement dit, il existe une certaine symétrie entre les dispositifs 10 et 10' autour d'un plan afin de pouvoir assurer l'obturation d'alésages ménagés dans deux faces latérales 121 , 122 du carter 12 opposées l'une par rapport à l'autre. In the embodiment of Figure 2, the second portion 162 of the device 10 'extends in a direction opposite to that in which the second portion 162 of the device 10 extends. In other words, there is some symmetry between the devices 10 and 10 'around a plane in order to ensure the closure of bores formed in two side faces 121, 122 of the housing 12 opposite to each other.
[0025] Dans tous les cas, comme cela est illustré sur la figure 3, l'outil 17 présente un logement 24 à l'intérieur duquel est positionné un moyen élastique 25, tel qu'un ressort, pour permettre au bouchon 1 1 de coopérer automatiquement avec le chanfrein de l'alésage correspondant du carter 12 lors de la mise en place de l'outil 17. Le ressort 25 présente une extrémité en appui contre le fond du logement 24 et une autre extrémité libre sur laquelle pourra être fixé un embout 26 destiné à venir en contact avec une face arrière du bouchon 1 1 . L'axe X de l'outil 17 s'étend suivant une direction sensiblement perpendiculaire à la direction longitudinale D1 du cadre 16. In all cases, as shown in Figure 3, the tool 17 has a housing 24 inside which is positioned an elastic means 25, such as a spring, to allow the cap 1 1 of automatically cooperate with the chamfer of the corresponding bore of the housing 12 during the introduction of the tool 17. The spring 25 has one end bearing against the bottom of the housing 24 and another free end on which can be fixed a end piece 26 intended to come into contact with a rear face of the cap 1 1. The axis X of the tool 17 extends in a direction substantially perpendicular to the longitudinal direction D1 of the frame 16.
[0026] L'outil 17 comporte en outre un système de vis à billes 29 apte à transformer un mouvement de rotation en un effort de translation pour permettre d'emmancher à force le bouchon 1 1 dans l'alésage du carter 12 à obturer. Le système de vis à billes 29 est configuré pour être actionné à l'aide d'une visseuse extérieure au dispositif 10. Ainsi, il sera possible pour l'opérateur d'utiliser une visseuse disponible au poste de montage. Le débattement du système de vis à billes 29 dépend de l'épaisseur du bouchon 1 1 et donc de la profondeur de l'emmanchement à réaliser. The tool 17 further comprises a ball screw system 29 adapted to transform a rotational movement into a translational force to allow to force the plug 1 1 into the bore of the casing 12 to be closed. The ball screw system 29 is configured to be actuated with a screwdriver external to the device 10. Thus, it will be possible for the operator to use a screwdriver available at the mounting station. The movement of the ball screw system 29 depends on the thickness of the cap 1 1 and thus the depth of the fitting to achieve.
[0027] Plus précisément, le système de vis à billes 29 comporte une tige 31 munie à une extrémité d'une tête 32 située à l'extérieur du corps 25 et destinée à coopérer avec la visseuse et à son autre extrémité d'une collerette 33. La collerette 33 est située dans un logement 34 du corps 35 et est liée audit corps 35 fixe par rapport au cadre 16 par l'intermédiaire d'une liaison hélicoïdale 36. La collerette 33 est prolongée au niveau de sa périphérie externe par une partie annulaire 37 d'orientation axiale qui traverse axialement le corps 35 et dont une extrémité libre 371 , bien visible sur la figure 2, est destinée à venir en appui contre le dos du bouchon 1 1 . A cet effet, le diamètre de la partie annulaire 37 au niveau de l'extrémité libre 371 est inférieur au diamètre du bouchon 1 1 . Lors d'un vissage ou d'un dévissage, l'entraînement en rotation de la tige 31 engendre un déplacement en translation de la partie annulaire 37 et de l'extrémité 371 du fait de la présence de la liaison hélicoïdale 36, en sorte que l'extrémité 371 peut appliquer l'effort axial d'emmanchement sur le bouchon. More specifically, the ball screw system 29 comprises a rod 31 provided at one end with a head 32 located outside the body 25 and intended to cooperate with the screwdriver and at its other end a collar 33. The flange 33 is located in a housing 34 of the body 35 and is connected to said fixed body relative to the frame 16 by means of a helical link 36. The flange 33 is extended at its outer periphery by a annular portion 37 of axial orientation which passes axially through the body 35 and a free end 371, clearly visible in Figure 2, is intended to bear against the back of the cap 1 1. For this purpose, the diameter of the annular portion 37 at level of the free end 371 is smaller than the diameter of the plug 1 1. During screwing or unscrewing, the rotation of the rod 31 generates a displacement in translation of the annular portion 37 and the end 371 due to the presence of the helical connection 36, so that the end 371 can apply the axial force of fitting on the plug.
[0028] A la fin d'une phase de vissage, le système de vis à billes 29 est configuré pour venir en butée, via la collerette 33, contre une face interne 38 délimitant le logement 34 située du côté du ressort 25 et s'étendant perpendiculairement à l'axe X de l'outil 17. On s'assure ainsi de l'insertion complète du bouchon 1 1 dans l'alésage du carter 12. A la fin d'une phase de dévissage, le système de vis à billes 29 vient en butée, via la collerette 33, contre une face interne 39 de l'outil 17 opposée à la face 38. Cette face 39 est également perpendiculaire à l'axe X de l'outil 17. L'écart entre les deux faces 38, 39 en vis-à-vis l'une de l'autre correspond donc au débattement précité du système de vis à billes 29. At the end of a screwing phase, the ball screw system 29 is configured to abut, via the flange 33, against an inner face 38 defining the housing 34 located on the side of the spring 25 and s'. extending perpendicular to the axis X of the tool 17. This ensures the complete insertion of the plug 1 1 in the bore of the housing 12. At the end of a phase of unscrewing, the screw system to ball 29 comes into abutment, via the flange 33, against an inner face 39 of the tool 17 opposite to the face 38. This face 39 is also perpendicular to the axis X of the tool 17. The gap between the two faces 38, 39 vis-à-vis one of the other corresponds to the aforementioned clearance of the ball screw system 29.
[0029] Par ailleurs, le système de guidage 23 comporte des pilotes 42 destinés à coopérer avec des formes complémentaires du carter 12 pour l'indexage du dispositif 10 par rapport au carter 12. Ces pilotes 42 pourront être constitués par des plots coopérant avec des alésages ménagés dans le carter 12. Sur un type de moteur particulier, un des alésages pourra par exemple être destiné à recevoir ultérieurement la goupille de recentrage du bac à huile. Inversement, les pilotes 42 sont constitués par des creux destinés à coopérer avec des protubérances issues du carter 12. Furthermore, the guide system 23 comprises drivers 42 intended to cooperate with complementary shapes of the housing 12 for indexing the device 10 relative to the housing 12. These drivers 42 may be constituted by pads cooperating with bores formed in the housing 12. On a particular type of engine, one of the bores may for example be intended to later receive the pin refocusing of the oil tank. Conversely, the drivers 42 are constituted by recesses intended to cooperate with protuberances coming from the housing 12.
[0030] On utilise deux pilotes 42 dans le cas du dispositif 10 de la figure 1 , chaque pilote 42 étant situé au niveau d'une extrémité longitudinale du cadre 16. En variante, le nombre et le positionnement des pilotes 42 sur le dispositif 10 pourra bien tendu être adapté en fonction de la configuration du carter 12. [0031 ] Dans le cas où, du fait de la configuration du carter 12, il est possible de faire appel uniquement à un seul pilote 42, comme par exemple pour le dispositif 10', le système de guidage 23 comporte un épaulement 46 ménagé sur le cadre 16. Plus précisément, cet épaulement 46 est constitué par la deuxième portion 162 du cadre 16 qui est en appui localement contre une face latérale 123 perpendiculaire à la face supérieure 124 du carter 12 sur laquelle est en appui la première portion 161 . La face 123 est également perpendiculaire à la face latérale 121 dans laquelle est ménagé l'alésage à obturer. On évite ainsi la rotation possible de l'outil 17 autour d'un axe Z perpendiculaire à la face supérieure 124 du carter 12 lors de son utilisation. Sur la figure 2, l'élément référencé 47 correspond à un appui plan. Using two drivers 42 in the case of the device 10 of Figure 1, each driver 42 being located at a longitudinal end of the frame 16. Alternatively, the number and positioning of the drivers 42 on the device 10 may be adapted to suit the configuration of the housing 12. In the case where, due to the configuration of the housing 12, it is possible to use only one driver 42, such as for the device 10 ', the guide system 23 has a shoulder 46 formed on the frame 16. More specifically, this shoulder 46 is constituted by the second portion 162 of the frame 16 which bears locally against a lateral face 123 perpendicular to the upper face 124 of the housing 12 on which bears the first portion 161. The face 123 is also perpendicular to the side face 121 in which is formed the bore to be closed. This avoids the possible rotation of the tool 17 around an axis Z perpendicular to the upper face 124 of the housing 12 during use. In FIG. 2, the element referenced 47 corresponds to a plane support.
[0032] On décrit ci-après l'utilisation du dispositif manuel 10, 10' de mise en place de bouchons de fermeture 1 1 selon la présente invention dans la ligne de fabrication. Dans un premier temps, le carter 12 arrive au poste de montage. L'opérateur saisit alors un bouchon de fermeture 1 1 et l'insère dans l'outil 17 dans un évidement 48 situé autour du logement 24 recevant le ressort 25. The following describes the use of the manual device 10, 10 'of introduction of closure caps 1 1 according to the present invention in the manufacturing line. At first, the housing 12 arrives at the assembly station. The operator then grasps a closure cap 1 1 and inserts it into the tool 17 in a recess 48 located around the housing 24 receiving the spring 25.
[0033] Le dispositif 10, 10' est ensuite indexé sur le carter 12 à l'aide des pilotes 42 correspondants et le cas échéant de l'épaulement 46 de l'outil 17. [0034] Lorsque le dispositif 10, 10' est en position, la face interne de la première portion 161 du cadre 16 est en contact avec la face supérieure 124 du carter 12, tandis que le bouchon 1 1 coopère automatiquement, grâce au ressort 25, avec le chanfrein de l'alésage ménagé dans une des faces latérales 121 , 122 du carter 12 perpendiculaire à la face supérieure 124. [0035] L'opérateur saisit ensuite la visseuse suspendue puis l'insère dans la tête 32 de la tige 31 ayant une forme complémentaire. Le vissage est ensuite effectué jusqu'à ce que la collerette 33 entre en butée contre la face 38 afin de garantir une insertion complète du bouchon 1 1 dans l'alésage du carter 12. Lors du vissage, l'extrémité libre 371 de la partie annulaire 37 se déplace en exerçant un effort axial sur le bouchon 1 1 de manière à emmancher à force le bouchon 1 1 à l'intérieur de l'alésage correspondant. The device 10, 10 'is then indexed on the housing 12 with the corresponding drivers 42 and if appropriate the shoulder 46 of the tool 17. [0034] When the device 10, 10' is in position, the inner face of the first portion 161 of the frame 16 is in contact with the upper face 124 of the housing 12, while the cap 1 1 cooperates automatically, thanks to the spring 25, with the chamfer of the bore formed in a lateral faces 121, 122 of the housing 12 perpendicular to the upper face 124. The operator then grasps the suspended screwdriver and then inserts it into the head 32 of the rod 31 having a complementary shape. The screwing is then performed until the collar 33 abuts against the face 38 to ensure complete insertion of the plug 1 1 in the bore of the housing 12. During screwing, the free end 371 of the part annular 37 moves by exerting an axial force on the plug 1 1 so as to force force the plug 1 1 inside the corresponding bore.
[0036] L'opérateur effectue ensuite une opération de dévissage en butée dans l'autre sens (la collerette 33 revient en appui contre la face 39) puis écarte la visseuse de l'outil 17. L'opérateur dépose le dispositif 10, 10' sur un support correspondant (non représenté). The operator then performs a unscrewing operation in abutment in the other direction (the flange 33 rests against the face 39) and then discards the screwdriver from the tool 17. The operator deposits the device 10, 10 on a corresponding support (not shown).
[0037] L'opérateur effectue ensuite la même procédure avec l'autre dispositif manuel 10, 10' symétrique au premier pour emmancher un bouchon 1 1 dans la face latérale 122 opposée à la première face latérale 121 . The operator then performs the same procedure with the other manual device 10, 10 'symmetrical to the first to press a plug 1 1 in the side face 122 opposite to the first side face 121.
[0038] L'opérateur valide ensuite son cycle de travail. L'automate s'assure que toutes les opérations ont été réalisées et libère le carter 12. The operator then validates his work cycle. The automaton ensures that all operations have been performed and releases the housing 12.
[0039] En variante, l'insertion du bouchon 1 1 est effectuée par l'outil 17 par vissage. En variante, le moyen de préhension 13, constitué par la poignée en forme de U dont les extrémités sont fixées sur le cadre 16, pourra prendre toute autre forme, comme par exemple la forme d'une poignée sphérique fixée sur une partie médiane du cadre 16. Alternatively, the insertion of the cap 1 1 is performed by the tool 17 by screwing. In a variant, the gripping means 13 constituted by the U-shaped handle whose ends are fixed on the frame 16, may take any other form, such as for example the shape of a spherical handle attached to a middle portion of the frame 16.
[0040] Le dispositif 10 pourra également être utilisé pour l'emmanchement d'autres bouchons 1 1 présents dans des alésages latéraux du carter 12. Il suffit alors de modifier la position des pilotes 42 et le diamètre du système de vis à billes 29 de l'outil 17. The device 10 may also be used for the fitting of other plugs 1 1 present in the lateral bores of the housing 12. It is then sufficient to change the position of the drivers 42 and the diameter of the ball screw system 29 of the tool 17.

Claims

REVENDICATIONS
1. Dispositif manuel (10, 10') de mise en place de bouchons de fermeture (1 1 ) sur les alésages réalisés dans un carter de cylindres (12) afin de les obturer, caractérisé en ce que ledit dispositif (10, 10') comporte: 1. Manual device (10, 10 ') for placing closure plugs (1 1) on the bores made in a cylinder block (12) in order to close them, characterized in that said device (10, 10') ) includes:
- un moyen de préhension (13),  a gripping means (13),
- un cadre allongé (16) muni à une de ses extrémités d'un outil (17) apte à insérer ledit bouchon de fermeture (1 1 ) en l'emmanchant à force à l'intérieur dudit alésage et à son autre extrémité d'un contrepoids (20), et  an elongated frame (16) provided at one of its ends with a tool (17) able to insert said closure cap (1 1) by forcing it inside said bore and at its other end; a counterweight (20), and
- un système de guidage (23) destiné à positionner un axe (X) dudit outil (17) suivant un axe (Y) dudit alésage ménagé dans ledit carter de cylindres (12). a guiding system (23) for positioning an axis (X) of said tool (17) along an axis (Y) of said bore formed in said cylinder casing (12).
2. Dispositif selon la revendication précédente, caractérisé en ce qu'un moyen élastique (25) est situé à l'intérieur d'un logement (24) dudit outil (17) pour permettre audit bouchon de fermeture (1 1 ) de coopérer automatiquement avec un chanfrein de l'alésage dudit carter de cylindres (12). 2. Device according to the preceding claim, characterized in that a resilient means (25) is located inside a housing (24) of said tool (17) to allow said closure cap (1 1) to cooperate automatically. with a chamfer of the bore of said cylinder block (12).
3. Dispositif selon l'une des revendications précédentes, caractérisé en ce que ledit outil (17) comporte un système de vis à billes (29) apte à transformer un mouvement de rotation en un effort de translation pour emmancher ledit bouchon de fermeture (1 1 ) dans l'alésage dudit carter de cylindres (12). 3. Device according to one of the preceding claims, characterized in that said tool (17) comprises a ball screw system (29) adapted to transform a rotational movement into a translational force to fit said closure cap (1). 1) in the bore of said cylinder block (12).
4. Dispositif selon la revendication précédente, caractérisé en ce que ledit système de vis à billes (29) est configuré pour être actionné au moyen d'une visseuse extérieure audit dispositif (10, 10'). 4. Device according to the preceding claim, characterized in that said ball screw system (29) is configured to be actuated by means of a screwdriver external to said device (10, 10 ').
5. Dispositif selon la revendication précédente, caractérisé en ce que le système de vis à billes (29) comporte une tige (31 ) munie à son extrémité d'une tête (32) destinée à coopérer avec une visseuse et à son autre extrémité d'une collerette (33). 5. Device according to the preceding claim, characterized in that the ball screw system (29) comprises a rod (31) provided at its end with a head (32) intended to cooperate with a screwdriver and at its other end. a flange (33).
6. Dispositif selon l'une des revendications 3 à 5, caractérisé en ce que ledit système de vis à billes (29) présente un débattement qui dépend d'une épaisseur dudit bouchon de fermeture (1 1 ). 6. Device according to one of claims 3 to 5, characterized in that said ball screw system (29) has a displacement which depends on a thickness of said closure cap (1 1).
7. Dispositif selon l'une des revendications précédentes, caractérisé en ce que ledit outil (17) présente un axe (X) s'étendant suivant une direction sensiblement perpendiculaire à une direction longitudinale (D1 ) dudit cadre (16). 7. Device according to one of the preceding claims, characterized in that said tool (17) has an axis (X) extending in a direction substantially perpendicular to a longitudinal direction (D1) of said frame (16).
8. Dispositif selon l'une des revendications précédentes, caractérisé en ce que ledit système de guidage (23) comporte au moins un pilote (42) destiné à coopérer avec une forme (43) complémentaire ménagée dans ledit carter de cylindre (12). 8. Device according to one of the preceding claims, characterized in that said guide system (23) comprises at least one driver (42) for cooperating with a form (43) complementary formed in said cylinder housing (12).
9. Dispositif selon la revendication précédente, caractérisé en ce que le pilote (42) est un plot coopérant avec l'alésage que le bouchon (1 1 ) doit obturer. 9. Device according to the preceding claim, characterized in that the driver (42) is a stud cooperating with the bore that the plug (1 1) must close.
10. Dispositif selon la revendication 7, caractérisé en ce que le pilote (42) est un creux destiné à coopérer avec des protubérances issues du carter de cylindre (12). 10. Device according to claim 7, characterized in that the driver (42) is a recess for cooperating with protuberances from the cylinder housing (12).
11 . Dispositif selon l'une des revendications précédentes, caractérisé en ce que ledit système de guidage (23) comporte un épaulement ménagé sur ledit cadre (16) destiné à venir en appui contre une face latérale (123) dudit carter de cylindres (12) perpendiculaire à une face (121 , 122) dans laquelle est réalisé ledit alésage. 11. Device according to one of the preceding claims, characterized in that said guide system (23) comprises a shoulder formed on said frame (16) intended to bear against a lateral face (123) of said perpendicular cylinder casing (12) one face (121, 122) in which is formed said bore.
12. Dispositif selon l'une des revendications précédentes, caractérisé en ce que ledit moyen de préhension (13) est constitué par une poignée de manutention. 12. Device according to one of the preceding claims, characterized in that said gripping means (13) is constituted by a handle.
13. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'outil (17) présente un logement (24) à l'intérieur duquel est positionné un moyen élastique (25) pour permettre au bouchon (1 1 ) de coopérer avec un chanfrein présent sur l'alésage que le bouchon (1 1 ) doit obturer. 13. Device according to one of the preceding claims, characterized in that the tool (17) has a housing (24) within which is positioned a resilient means (25) to allow the plug (1 1) to cooperate with a chamfer present on the bore that the plug (1 1) must close.
EP15823639.8A 2015-01-05 2015-12-14 Manual device for fitting sealing plugs for a cylinder block Withdrawn EP3242771A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1550014A FR3031379B1 (en) 2015-01-05 2015-01-05 MANUAL DEVICE FOR PLACING CLOSURE CAPS FOR CYLINDERS HOUSING
PCT/FR2015/053466 WO2016110625A1 (en) 2015-01-05 2015-12-14 Manual device for fitting sealing plugs for a cylinder block

Publications (1)

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EP3242771A1 true EP3242771A1 (en) 2017-11-15

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EP15823639.8A Withdrawn EP3242771A1 (en) 2015-01-05 2015-12-14 Manual device for fitting sealing plugs for a cylinder block

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EP (1) EP3242771A1 (en)
FR (1) FR3031379B1 (en)
MA (1) MA41307A (en)
WO (1) WO2016110625A1 (en)

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Publication number Priority date Publication date Assignee Title
CN107363763B (en) * 2017-05-31 2019-04-19 苏州天吴电梯装璜有限公司 Counterweight frame built up and assembling method and counterweight frame splicing body
CN111037507B (en) * 2019-12-31 2024-04-19 华南理工大学 Assembling device for stop gasket

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US5771853A (en) * 1996-06-17 1998-06-30 Chrysler Corporation Tool and plug for blocking engine oil gallery access hole
US8763720B2 (en) * 2010-05-18 2014-07-01 Jason Lee Moore Interactive tools

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Also Published As

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MA41307A (en) 2017-11-14
FR3031379A1 (en) 2016-07-08
FR3031379B1 (en) 2017-06-16
WO2016110625A1 (en) 2016-07-14

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