EP3242771A1 - Dispositif manuel de mise en place de bouchons de fermeture pour carter de cylindres - Google Patents
Dispositif manuel de mise en place de bouchons de fermeture pour carter de cylindresInfo
- 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- Withdrawn
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.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1550014A FR3031379B1 (fr) | 2015-01-05 | 2015-01-05 | Dispositif manuel de mise en place de bouchons de fermeture pour carter de cylindres |
PCT/FR2015/053466 WO2016110625A1 (fr) | 2015-01-05 | 2015-12-14 | Dispositif manuel de mise en place de bouchons de fermeture pour carter de cylindres |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3242771A1 true EP3242771A1 (fr) | 2017-11-15 |
Family
ID=52692897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15823639.8A Withdrawn EP3242771A1 (fr) | 2015-01-05 | 2015-12-14 | Dispositif manuel de mise en place de bouchons de fermeture pour carter de cylindres |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3242771A1 (fr) |
FR (1) | FR3031379B1 (fr) |
MA (1) | MA41307A (fr) |
WO (1) | WO2016110625A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107363763B (zh) * | 2017-05-31 | 2019-04-19 | 苏州天吴电梯装璜有限公司 | 对重架拼接组装方法和对重架拼接机构 |
CN111037507B (zh) * | 2019-12-31 | 2024-04-19 | 华南理工大学 | 一种止动垫片的装配装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
2015
- 2015-01-05 FR FR1550014A patent/FR3031379B1/fr not_active Expired - Fee Related
- 2015-12-13 MA MA041307A patent/MA41307A/fr unknown
- 2015-12-14 EP EP15823639.8A patent/EP3242771A1/fr not_active Withdrawn
- 2015-12-14 WO PCT/FR2015/053466 patent/WO2016110625A1/fr active Application Filing
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2016110625A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR3031379A1 (fr) | 2016-07-08 |
WO2016110625A1 (fr) | 2016-07-14 |
FR3031379B1 (fr) | 2017-06-16 |
MA41307A (fr) | 2017-11-14 |
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Owner name: PSA AUTOMOBILES SA |
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