FR2580749A1 - DEVICE FOR MOUNTING ROLLER BEARINGS - Google Patents

Abstract

THE PRESENT INVENTION RELATES TO A ROLLER BEARING MOUNTING DEVICE. THE DEVICE FOR INSERTING ROLLERS IN A ROLLER CAGE HAS A HOLLOW CASE AND IS CHARACTERIZED IN THAT IT INCLUDES A PUSH PLATE 9 MOVING RADIALLY INSIDE THE ROLLER CAGE 2, A ROTARY DISC 5 PLACES IN A WAY TO BE ABLE TO ROTATE IN THE PLANE PARALLEL TO THE ROTATION PLAN OF THE ROLLER CAGE 2, A CONSOLE 4 BELONGING TO THE ROTARY DISC 5 PROJECTING TOWARDS THE ROLLER CAGE 2 AND A GUIDE PIN 3 MOBILE RADIALLY TOWARDS THE ROTARY CAGE ROLLERS 2 IN CONSOLE 4, AND IN THAT IT CONTAINS A TRANSMISSION BETWEEN THRUST PLATE 9 AND ROTARY DISC 5.

Description

The present invention relates to a device for mounting bearings to

  rollers, particularly for placing rolls in a roll cage. It can be said that the device according to the invention is semiautomatic and can be used in particular during the final assembly of roll stands, preferably for placing in such cages rollers with an M-profile. - machine parts which operate in rolling bearings after assembly and essentially comprise only one cage,

  and rollers placed in the cage. During the manufacturing process

  cation of such cages containing the rolls, the mounting of the cages and respectively the placement of the rolls in

  the cage require considerable manpower. With the increase

  the use of such roller cages,

  made automatic machines (automatic machines) for their

  floor. As in the case of machine tools, these installations

  automated devices include machine

  stable structures, the size and the cost of appli-

  provisioning of such facilities not being

  laughter: to those of machine tools. In the case of machines

  known, empty cages are fixed in a service device.

  rage, by putting a clamping mechanism in motion by means of a forward-adjustable transmission. Of course, special feeler assemblies, as well as control structures that grant the movement cycles for transporting rolls and placing them in the cage, make

  part of this transmission. The disadvantage of such arrangements

  Known devices containing machine members consist of a large footprint and a high cost. The use of these machines is in no way economically profitable for the manufacture of small series, because, firstly, their use is not assured and that, on the other hand, their

  cushioning increases the price of roll cages.

  One of the objects of the invention therefore consists in

  smoothly insert the rollers into the cage,

  cages, by means of a simplified structure

  to the known devices, and to eliminate the defects and disadvantages of the automatic machines described above. The device according to the invention is based on the fact

  that it is not necessary to use a separate transmission

  trimmed with corresponding probe and control units

  when the machine member rotating the cage has a guide pin which guarantees the

  change of position of the cage during assembly, always

  days and precisely to such an extent that the cage rotates each time by a step corresponding to the pitch of the seats

  lying in the cage. Thus, the device is extra-

  simplified and the volume of current devices in the mechanical industry is extremely limited, as far as

  relates to the size and number of machine members.

  As a result, the supply costs are much lower than for the known automatic machines, so that the use of the device according to the invention is

  economically profitable, even for small series.

  For the good rule, it should be pointed out that the device according to the invention can be considered as

  semiautomatic machine, since among the rou-

  to be introduced into the cage, the last rou-

  water by hand, but this operation to be carried out manually can also be carried out without problems and quickly by auxiliaries, so that this can not make fear

  a reduction in the efficiency of the device according to the invention.

  In the device according to the invention, a hollow box is the base of the structure, the cage to be provided

  roller can be housed in its cavity. In the

  Inner section of the cage penetrates a thrust plate which is attached to an insertion carriage. The insertion carriage performs a linear motion, and the thrust plate attached thereto also moves linearly. From the

  cage, the movement of the thrust plate takes place

  to the outside and vice versa in the radial direction.

  The movement of the insertion carriage is influenced by a guide rail. This slide (or guide) can raise the insertion carriage and, consequently, the plate of

  thrust, against the force of a spring.

  The device according to the invention comprises a rotary disk substantially coaxial with the cage, which can perform a tilting movement about its axis of rotation.

  rotation. The movement is ensured from the trolley of

  already mentioned by a mechanism which may

  advantageously a simple structure comprising the rod-

  lever and the corresponding bolt. The rotating disc has a console perpendicular to its plane and precisely parallel to the axis of the cage. A pin of

  guided by the action of a spring and movable

  The push plate is located in the console.

  This guide pin can perform at the same time as the rotating disc a pendulum movement and it can rotate the cage so that, relative to the plate of

  push, its empty housing either in a position or

  a position in which the roll can be pushed

in the empty housing.

  Consequently, the essential of the device according to the invention consists in that it comprises inside the cage a movable thrust plate radially and in the

  plane parallel to the plane of rotation of the cage, a circular disc

  mobile tote, and in that it further comprises a console belonging to the rotating disc, projecting towards

  of the cage and a guide pin that can be

  radially out of the cage from the outside, while a transmission is placed between the thrust plate and the

rotating disc.

  According to an advantageous embodiment of the invention,

  the thrust plate is attached to an insertion carriage.

  guided guide transversely to the axis of the cage,

  a guiding slide (or guide) putting the trolley

  tion against the force of a spring being present. According to another advantageous embodiment of the invention, the transmission between the thrust plate

  and the rotating disc is formed by a linkage of the-

  screw and bolt to the rotating disk to form

It is a pendant.

  According to an advantageous embodiment of the arrangement

  of the invention, the guide pin is moved

  towards the inside of the cage by the force of a spring. We will now describe in more detail

  examples of advantageous non-limiting embodiments of the invention.

  vention, with reference to the appended drawing of which: FIG. 1 is a side view of the device according to the invention; Fig. 2 is a section along line II-II of

FIG. 1.

  In the context of the invention, a cage 2 is placed

  in the cavity of a box 1. Box 1 fixes the

  centered position of the cage 2, but it allows at the same time to rotate the -cage 2 about its axis relative

to the box 1.

  The thrust plate 9, which is attached to an insertion carriage 6, penetrates inside the cage 2. As shown in FIG. 1, the insertion carriage 6 comprises an arm at the end of which is placed a roller 14 which rests on a guide slide 15. The guide slide (or guide) 15 allows the insertion carriage 6 and the thrust plate 9 which is rigidly connected to it in their

  causing movement against the force of a spring 11.

  Another essential component of the device according to the invention is represented by a rotating disc 5 placed

  on the box 1 so as to be disposed substantially co-

  axially relative to the cage and rotatable relative to the casing 1. A bracket 4, substantially parallel to the axis of the cage 2 in the present embodiment, is

  5. In console 4, a guide pin

  3 is biased by a spring 16, is arranged so as to

  be mobile. The structure has a geometric layout

  of the various elements such that, in an end position of the rotary disk 5, the direction of movement of the guide pin 3 coincides with the plane of

moving the plate 9.

  With the structure according to the invention, a rod

  The lever linkage 7 provides the link between the disc 5 and the carriage 6. The lever linkage 7 comprises a lever with two arms, one of the arms of which is engaged with the carriage 6, while the other arm can cooperate with a lever. bolt 12

  attached to the disc 5. In addition, the lever linkage 7 com-

  carries a spring 13 which ensures the movement of the trin-

Glerie lever 7 in one direction.

  A tube 10 serves to bring the rollers 8

  inside the cage, and in a position from which they can be inserted

  directly in the corresponding housing of the cage 2.

  We do not give here a detailed description of the

  device introducing the rollers 8 into the tube 10 and carrying them therein, since this is not essential

  for the understanding of the invention.

  For the description of the operation of the device

  according to the invention, it will start from the position o the empty cage 2 is introduced into the cavity of the casing 1 and takes a central position. At this moment, the thrust plate 9 takes its lower end position (in the context of FIG 2), so that, in this position, the end of the tube 10 located on the side of the cage 2 is closed, this which prevents the roll 8 from reaching the inside of the cage prematurely.

  After putting the device into operation

  According to the invention, that is to say, as soon as the slide 15 has been set in motion, the carriage 6 and, consequently, the plate 9, mount. When then the space constituting the extension of the tube 10 is released, that of the rollers 8 which is the outermost arrives inside the cage 2. The roll 8 reached in the mounting position is supported in this position by the guide pin 3 from the bottom. As can be seen from FIG. 1, when the guide rail 15

  continues to move, the carriage 6 and, consequently, the

  that of thrust 9 descend under the action of the spring 11,

  the plate 9 introducing, during its movement, the rou-

  water 8 in the housing of the cage 2, while the roller 8 pushes down the guide pin 3 against the

  16. During the movement described, the trin-

  Leger glerie 7 moves in such a manner that its right-hand portion in FIG. 1 joins the bolt 12 of the disc

  rotating and exerting pressure on it, so that the

  rotating (as shown in Fig. 1) turns in the sinistrorsum direction (contrary to that of the hands of a

  watch). The cage 2 and the roll which has just been introduced

  duit then remain immobile, that is, they do not follow

  not the rotational movement of the disk 5, because the wheel

  the water is immobilized by the plate 9. If then the rotating disc 5 is rotated and, consequently, of course, the console

  4 and the guide pin 3, until under the

  spring 16, the guide pin 3 can enter the next empty housing, the rotational movement of the

  rotating disc 5 stops, since the guide slide

  15 has reached a position in which it again causes the carriage 6 to rise and, consequently, the plate 9. At the same time, under the action of the spring 13, the disk 5 turns backwards, while the guide pin 3 entrains the cage 2 and rotates it in the clockwise direction (clockwise) (Fig. 1),

  such that an empty seat of the cage 2 is again

  calf in front of the push plate 9. A new operating cycle can then start. The last roll can be mounted by hand, since with the described operating mode, the automatic insertion of the last roll into the seat of the cage 2

  is not insured. If indeed the cage turned towards the

  the last roller, the rotating disk 5 could not rotate at the same time to the desired extent, because the guide pin 3 would join the roller mounted first, so that the insertion carriage 6 could not

  to reach its terminal position and therefore could not

  completely darken the roller in the housing. For this reason, it is advantageous to interrupt the operation of the guide slide drive 15 and to lower the guide pin 3 until the rotary disk 5 can rotate sufficiently for the insertion carriage 6 can also insert the last roll using

  spring 11. Then it is possible to remove the timber-the cage de-

  I went up. If a new empty cage is used,

  begins the method of inserting the rollers described above.

ously.

  As the description of an example

  implementation of the invention, the solution recommended by

  the invention is extremely simple and the bulk is

  Duit. In addition, it is possible to assemble the cages, or to introduce rollers into them, with a very

high accuracy.

  As is apparent from the foregoing, the invention

  tion is not limited to those of its modes of

  tion and application just described in a more explicit way; on the contrary, it embraces all

  variants that may come to the mind of the technician in the

  without departing from the scope or scope of the present invention.

Claims (4)

  1.- Roller insertion device in a roller cage, which comprises a hollow housing housing the   cage and a member bringing the rollers to the roll cage   characterized in that it comprises a plate of pus-   (9) movable radially inside the roll cage (2), a rotatable disc (5) rotatably disposed in the plane parallel to the plane of rotation of the roll cage (2), a console (4) belonging to the rotating disk (5), projecting towards the cage of   rollers (2) and a radially movable guiding pin (3).   towards the roll cage (2) in the direction   sole (4), and in that it comprises a transmission between the   thrust plate (9) and the rotating disc (5).   2. Device according to claim 1, characterized   characterized in that the thrust plate (9) is fixed to an insertion carriage (6) transversely guided with respect to the axis of the roll cage (2) and a guide track (15) placing the carriage insertion (6) in motion against the force of a spring ((11).   3.- Device according to claim 1 or 2, characterized in that the transmission is in the form of a lever linkage (7), and a bolt (12)   attached to the rotating disk (5), constituting its counterpart.   4.- Device according to any one of the   1 to 3, characterized in that the guide pin (3) can move inwardly of the roller cage   (2), under the action of a spring t16).