JP2585786Y2 - Hub assembly equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

In the present invention, a hub is sequentially transferred to a bearing press-fitting device, a temporary tightening work area and a hub / disk tightening device by a conveyor type transfer device, and a bearing is pressed into the hub in each of these devices and a work area. The present invention also relates to a hub assembling apparatus capable of temporarily tightening a brake disk to the hub and further integrally tightening the hub and the brake desk with bolts and nuts.

[0002]

2. Description of the Related Art A vehicle production line is generally composed of a body manufacturing line, a vehicle assembly line following the same line for incorporating finished parts into a vehicle body, and a number of parts assembly lines for supplying completed parts to the vehicle assembly line. These lines are often subject to layout restrictions. On the other hand, there is a tendency for the production of vehicles to increase the number of products in small quantities. For this reason, the expansion of each production line tends to be subject to many regulations both in terms of layout and cost. A hub is pivotally supported on the axle of the vehicle via a bearing. Usually, a wheel on the wheel side is integrally attached to the hub with a plurality of wheel nuts, and a brake disc is provided on an outer peripheral portion of the hub. Are integrally attached.

In such a line for assembling a hub, a bearing press-fitting operation for press-fitting an outer ring of a bearing into at least an axle hole formed in the hub, and a temporary fitting in which a brake desk is externally fitted to the hub and temporarily tightened with bolts and nuts. Tightening work,
A hub / disk tightening operation for integrally tightening the temporarily tightened hub and brake desk with bolts and nuts is performed. Therefore, in the hub assembly line,
The outer ring of one bearing is press-fitted into one opening of the axle hole of each hub that has reached the bearing press-fitting device, and then the operator reverses the hub and press-fits the outer ring of the other bearing into the other opening of the axle hole. Thereafter, a brake desk is externally fitted to the bearing press-fitted hub by an operator, and temporarily tightened with bolts and nuts.

[0004]

As described above, in the conventional hub assembly line, prior to the bearing press-fitting operation performed using the bearing press-fitting device, the operator needs to manually turn the hub upside down. Also, when performing the work, the worker manually fits the brake desk to the hub and temporarily tightens it with bolts and nuts. Therefore, in the conventional hub assembling work, there are many manual operations by an operator, and it is desired to further improve the workability of the assembling work.

Further, there is no problem if it is easy to separately manufacture a plurality of hubs of different types on individual assembly lines. However, the same production line is used in order to restrict the layout of the production plant and to prevent an increase in cost. Therefore, when it is necessary to assemble a plurality of hubs, it is necessary to assemble a plurality of hubs on the same line. An object of the present invention is to provide a hub assembling apparatus capable of assembling a plurality of hubs on the same production line with good workability.

[0006]

In order to achieve the above-mentioned object, the present invention provides a bearing press-fitting device capable of press-fitting an outer ring of a bearing to each inner peripheral wall above and below an axle hole formed in a hub, A temporary fastening work area in which a brake desk is externally fitted to a hub from the bearing press-fitting device and temporarily fastened with bolts and nuts, and a hub disk for integrally fastening the temporarily fastened hub and brake desk with the bolts and nuts A tightening device, a conveyor-type conveying device for sequentially conveying the pallet containing the hub to the bearing press-in device, the temporary tightening work area, and the hub-disk tightening device, and the pallet includes a plurality of types. <br/> hub selectively plurality of recessed mounting portion having different mounting can internal diameter is formed, the through hole in the center position of each of the plurality of concave mounting portion Different outer diameter to the through hole while being formed
Annular temporary base to temporarily place the outer ring of the bearing is characterized in that it is formed respectively made.

[0007]

A plurality of types of hubs can be selectively mounted on a plurality of concave mounting portions of a pallet, and an outer ring of a bearing having a different outer diameter is provided on an annular temporary mounting base of each through hole of the plurality of concave mounting portions. Can be temporarily placed, so that the outer ring of each bearing of the annular temporary placing table can be easily pressed into the lower inner peripheral wall of the axle hole formed in each hub from below by the bearing press-fitting device.

[0008]

1 shows an apparatus for assembling a hub according to an embodiment of the present invention. The hub assembling apparatus forms a part of a strut assembly line capable of supplying a strut assembly as a completed part to a vehicle production line (not shown).
The hub assembling apparatus includes a parts supply worktable 1, a press-fitting device 2 for a hub bolt V (see FIG. 3), and a plurality of types of hubs W1.
To W4 (see FIG. 3), the outer rings Bou, Bod of the bearings.
Bearing press-fitting device 3 capable of press-fitting and hub W1
A work table 4 forming a temporary tightening work area for temporarily fitting the brake desk D to the outside to W4, a hub and disk tightening device 5 for integrally tightening the temporarily tightened hub W1 and the brake desk D, and a desk rotor Run-out measuring device 6, inner bearing oil seal press-fitting device 7, carrying-out stand 8
And a conveyor-type transfer device 10 for sequentially transferring the pallets 9 to the respective devices that reach the unloading table 8 from the parts supply work table 1 and the respective work positions P of the tables.

[0009] Here, the conveyor-type transfer device 10 is an upper and lower belt conveyor 1 that reaches the discharge table 8 from the parts supply work table 1.
01, 102, and first and second lifters 103, 104 that raise the pallet 9 that has reached the parts supply work table 1 and lower the pallet 9 that has reached the unloading table 8.
The first lifter 103 is configured to receive the pallets 9 sequentially supplied from the lower belt conveyor 102, raise the pallets 9, and transfer the pallets 9 to the upper belt conveyor 101. The second lifter 104 receives and lowers the empty pallets 9 sequentially supplied from the upper belt conveyor 101, and
02. The upper and lower belt conveyors 101 and 102 are formed in the same manner, and here, the upper belt conveyor 101 is shown in FIG.

Here, the upper belt conveyor 101 circulates a pair of left and right endless chains 22 in the vertical direction, and each endless chain 22 is provided with a horizontal pin 23 sequentially projecting at a predetermined interval. , A roller 24 is pivotally supported. These rollers 24 can circulate in the longitudinal direction along the upper surfaces of upper and lower chain supports 25 and 26 supported by a base frame (not shown). The circulation operation of the endless chains 22 is performed by a conveyor drive indicated by reference numerals 27 and 28 in FIG. Has been done by the department. Reference numeral 29 in FIG. 7 denotes a wear-resistant member that regulates the displacement of the pallet 9, and reference numeral 30 denotes a cover that is integrally connected to the upper chain support 25. The worker's hand is prevented from entering the gap with the pallet 9.

The above-mentioned pallet 9 has a substantially plate-like shape in plan view as shown in FIG. 6 and a dish shape with a lower center as shown in FIG. As shown in FIG. 3, it has an uneven plate shape in which a plurality of through holes are formed. The pallet 9 includes a center plate 12 and a flange 13 integrally connected to the left and right sides thereof. As shown in FIG. 3, two hub receiving members 14 and 15 are integrally formed on the center plate 12 at a predetermined interval. It is attached. As shown in FIG. 6, the two hub receiving members 14 and 15 have inner diameters d1 and d2 (d1
> D2), different concave mounting portions E1 and E2 are formed. Moreover, hub bolts V are provided on each of the concave mounting portions E1 and E2.
And a tightening hole 17 for integrally tightening the hub W1 and the brake desk D with bolts v and nuts n (see FIG. 9). In each of the concave mounting portions E1 and E2, through holes 18 and 19 are formed at respective central positions, and an outer ring Bod of each lower bearing having a different outer diameter is temporarily placed below the through hole. Tables 20 and 21 are respectively formed.

As shown in FIG. 3 and FIG.
Reference numerals 0 and 21 respectively protrude five projections 201 and 211 from the lower side of the inner peripheral wall of the through holes 18 and 19 toward the center of the hole.
Outer ring Bo of each lower bearing by upper surface of 01, 211
Place d. The projecting piece 211 has a relatively large projecting amount with respect to the projecting piece 201, so that the outer ring Bod of the lower bearing having a relatively small diameter can be mounted. In addition,
A lower press-fit block 31 of the outer bearing press-fitting device 3 is formed so as to be movable in the vertical direction through a gap between the adjacent protrusions 201 and 211, and five vertical grooves are formed on an outer peripheral surface of the lower press-fit block 31. (Indicated by a two-dot chain line in FIG. 6) is formed so that interference with the protruding pieces 201 and 211 can be prevented.

Here, different mounting hubs W1 and W2 for 4WD having a relatively large outer diameter (two-dot chain lines on the left and right of the center line L1 in FIG. 3) are provided on the concave mounting portion E1 of the pallet 9 shown in FIG. However, the concave mounting portion E2 has different hubs W3 and W4 for 2WD having a relatively small outer diameter (divided by two-dot chain lines to the left and right of the center line L2 in FIG. 3). Was)
Are formed so as to be mountable respectively. Pallet 9 like this
Each of the concave mounting portions E1 and E2 can selectively mount two types of hubs, respectively. FIG. 3 shows a state in which four types of hubs are roughly mounted, one half each, by a two-dot chain line. Indicated. Note that reference numerals L1 and L2 in FIG. 3 indicate respective center lines of the through holes 18 and 19.

The work position P1 of the parts supply work table 1 is the first position.
The pallet 9 is sequentially supplied to the uppermost position on the lifter 103 side. In addition, hubs W1 to W4, to which a work display plate (not shown) is attached, hub bolts V, and outer rings Bou, Bod of upper and lower bearings are sequentially supplied to the parts supply worktable 1 in a predetermined work order. , These parts are pallet 9
Placed on In particular, the outer ring Bod of the lower bearing is mounted on each of the hubs W1 to W21 on the annular temporary placing bases 20 and 21 of the pallet 9 described later.
It will be placed prior to placing W4. The outer rings Bou and Bod here are selectively mounted according to the type of each hub. As shown in FIG. 1, the hub bolt V press-fitting device 2 presses the temporarily fixed hub bolt V downward while holding the hub W1 on the pallet 9 reaching the working position P2 on the pallet 9, A well-known configuration of press-fitting the hub is adopted.

As shown in FIGS. 1, 4 and 5, the outer bearing press-fitting device 3 is provided on the inner peripheral wall above and below the axle hole 32 formed in the hub W1 on the pallet 9 which has reached the working position P3. The outer races Bou, Bod of the bearings are press-fitted. Here, the outer bearing press-fitting device 3
Has upper and lower base frames 33 and 34 integrally connected to each other, and supports upper and lower press-fitting drive units 35 and 36, respectively. As shown in FIG. 5, the upper press-fit driving unit 35 lowers the press-fit movable member 38 in a timely manner, and
7 is driven into the press-fitting position B2 from the press-fitting standby position B1 (equivalent to the switching completion position C1 described later), and the pallet 9
The upper hub W1 is configured to press-fit the outer ring Bou of the upper bearing. In addition, the outer ring Bo of the upper bearing
u is temporarily placed in advance on the upper opening side of the axle hole 32 formed in the hub W1.

As shown in FIG. 5, a switching mechanism 39 is provided at the lower end of the press-fit movable member 38. The switching mechanism 39 is controlled by a control unit (not shown) of the outer bearing press-fitting device 3. That is, the control unit determines the type of each of the hubs W1 to W4 reaching the work position P3, selectively switches and holds one upper press-fit block 37 corresponding to the type to the switching completion position C1, and holds the other upper press-fit block C1. The press-fit block 37 is switched to and held at the switching standby position C2 (two positions are set on the left and right). Reference numerals 40 in FIG. 5 denote position sensors, respectively, which are used to determine the type of the upper press-fit block 37 that has reached the standby position C2. Reference numeral 60 denotes a stopper for positioning each upper press-fit block 37 moved by the switching mechanism 39.

On the other hand, as shown in FIG.
6 is provided on the base frame 34 such that its center line L3 coincides with the work position P3. The lower press-fit driving unit 36 raises and lowers the press-fit movable member 41 protruding therefrom in a timely manner,
The hub W on the pallet 9 is formed by the lower press-fit block 31 at the tip.
The outer ring Bod of the lower bearing is press-fitted into one axle hole 32. The press-in operation amount here is controlled by a control unit (not shown) of the outer bearing press-fitting device 3. That is, the control unit determines the type of each of the hubs W1 to W4 that has reached the work position P3, and presses the lower press-fit block 3 by the press-fit operation amounts S1 and S2 (see FIG. 3) corresponding to the type.
1 is selectively lifted to positions H2 and H3 above the lower position H1. As shown in FIG. 4, the hub receiving member 14 of the pallet 9 reaching the working position P3 is located above the base frame 34.
And a bracket 42 is provided in contact with the pallet 9 so that downward displacement of the pallet 9 on the bracket can be restricted.

Here, the pallets 9 successively conveyed along the conveying direction A to the work position P3 by the upper belt conveyor 101 at predetermined work cycles are first and second stoppers 43 and 4 respectively.
4, the concave placement portions E1 and E2 can be selectively positioned at the work position P3. That is, as shown in FIGS. 3 and 4, both stoppers 43 and 44 are engaged with the locking position h1 and the retreating position h.
The switching control is performed by a control unit (not shown) of the outer bearing press-fitting device 3 (not shown). That is, the control unit previously receives the type information of each of the hubs W1 to W4 on the pallet 9 sequentially transferred, determines the type of each of the hubs W1 to W4, and determines the first and second stoppers according to the type. The hubs W1 to W4 can be held at the working position P3 by selectively driving the hubs 43 and 44. In this case, when it is desired to set the concave mounting portion E1 at the working position P3, the first stopper 43 is switched from the retreat position h2 to the locking position h1, or when the concave mounting portion E2 is set at the working position P3. Thus, the second stopper 44 is controlled to be switched from the retreat position h2 to the locking position h1.

The reference numeral 45 in FIG.
Reference numeral 46 denotes a locking piece that restricts the displacement of the pallet 9 that is locked by the third stopper 3 in the retreating direction. Reference numeral 46 denotes a locking piece that controls the displacement of the pallet 9 that is locked by the second stopper 44 in the retreating direction. Both locking pieces are urged in the locking direction by a spring (not shown). The work table 4 shown in FIG. 1 forms a temporary tightening work area, and an operator arranged here manually adjusts the type of each of the hubs W1 to W4 on the pallet 9 which has reached the work position P4. The corresponding brake desk D is selectively fitted to the outside, and then the hub and the brake desk D are temporarily fastened with bolts v and nuts n. Note that each brake desk D is supplied to the worktable 4 in advance by a separate transport unit.

As shown in FIGS. 1, 8 and 9, the hub / disk tightening device 5 integrally tightens the temporarily tightened hub and the brake desk D on the pallet 9 which has reached the working position P5. Be composed. Here, the hub / disk tightening device 5 includes a feed robot 47 capable of adjusting the working position in the X and Y directions, and upper and lower tightening driving units 49 and 50 supported by upper and lower members 481 and 482 of the U-shaped movable arm 48 of the feed robot. It is composed of As shown in FIGS. 8 and 2, the X direction is a direction that comes into contact with and separates from the work position P5, and the direction that is perpendicular to the X direction is the Y direction.

The feed robot 47 moves the tightening holes 17 of the hubs W1 to W4 on the pallet 9 reaching the working position P5.
(FIG. 6 shows six holes of hubs W1 and W2 and hubs W3 and W4.
5 holes are shown).
A position switching program is set in advance so that the upper and lower sockets 51, 52 of the 9, 50 are opposed to each other and held at the same position for a predetermined fastening operation time. Here, the position switching program is performed on each of the hubs W1 to W on the pallet 9.
The type information of the hubs W1 to W4 is input from a control unit (not shown) of the hub / disk tightening device 5 in advance.

Both the upper and lower tightening driving parts 49 and 50 are AC
Servo nut runners 53, 54 and upper and lower socket release actuators 55, 56 for raising and lowering the upper and lower sockets 51, 52 driven by the nut runner to the release position. The upper socket releasing actuator 55 includes an air cylinder and a claw member 551 integrally connected to the piston thereof, and the claw member 551 can raise and lower the upper socket 51 side at an appropriate time. The lower socket escape actuator 56 is composed of an air cylinder and a lever 561 pin-connected to its piston, and the lever 561 can raise and lower the lower socket 52 side at an appropriate time. The nut runners 53 and 54 and the actuators 55 and 56 operate in response to a command from a control unit (not shown) of the hub / disk tightening device 5 to move the upper and lower sockets 51 and 52 up and down and to rotate. .

As shown in FIG. 1 and FIG. 2, the desk rotor runout measuring device 6 has a tightened hub
A well-known mechanism is provided in which the disk is rotated, and only those having an unbalanced amount within a specified value are transferred to the next step, and those which exceed the specified value are eliminated. The inner bearing oil seal press-fitting device 7 has a well-known mechanism for press-fitting the upper inner bearing and the oil seal into the tightened hub / disc that has reached the working position P7. The unloading table 8 transfers the assembled hub / disc on the pallet 9 which has reached the working position P8 toward the transport mechanism (not shown) in the next step.
The empty pallet 9 is transferred to the lower belt conveyor 102 by the second lifter 104.
The operation of the hub assembling apparatus will be described.

In the hub assembling apparatus, the conveyor-type transport device 10 and each device along the conveyor-type transport device 10 start to be driven by a command from a main control unit (not shown). Empty pallets 9 are sequentially supplied to the upper belt conveyor 101. On the pallet 9 which has reached the parts supply work table 1, the hubs W1 to W4, hub bolts V,
The upper and lower outer rings Bou, Bod of the bearing are placed on the pallet 9 by an operator. In this case, when one of the different hubs W1 and W2 for 4WD is to be mounted, this is mounted on the concave mounting portion E1 of the pallet 9, and the different hubs W3 and W3 for 2WD having a relatively small outer diameter are mounted. When one of the W4 is placed, it is placed on the concave placing portion E2 of the pallet 9. Further, prior to this, the outer ring Bod of the lower bearing is selectively placed on one of the ring-shaped temporary holding tables 20 and 2.
1 and the outer ring Bou of the upper bearing is mounted on the upper opening of the axle hole 32 of the hub.

Here, the hub, which has been moved by the pallet 9 and reached the working position P2 of the press-fitting device 2 for the hub bolt V, is pressed down with the hub bolt V temporarily fixed thereto, and the press-fitting of the hub bolt V is completed. Further, when the first and second stoppers 43 and 44 of the outer bearing press-fitting device 3 are selectively driven, for example, when the first stopper 43 is switched from the retreat position h2 to the locking position h1, the first stopper 43 engages. The recessed mounting portion E1 of the stopped pallet 9
Can be positioned at the work position P3, and the hub W can be positioned at the work position P3.
1 can be positioned. The control unit (not shown) of the outer bearing press-fitting device 3 determines the type of the hub W1 that has reached the working position P3, and determines one upper press-fit block 37 according to the type.
Is selectively switched to the switching completion position C1. Further, the control unit sets the press-fitting operation amount S1 (S2 in the case of the hubs W3 and W4) according to the type of the hub W1 reaching the work position P3. When the upper and lower press-fitting blocks 37 and 31 are simultaneously pressed, the outer ring Bou of the upper bearing, which has been temporarily placed at the same position from the upper opening of the axle hole 32 of the hub, is press-fitted through the upper opening. The outer ring Bod of the lower bearing placed on the base 20 is press-fitted from the lower opening of the axle hole 32 of the hub.

Thereafter, the hub W1 of the pallet 9 at the work position P3 is conveyed to the work table 4 in the next process by the first stopper 43 retracting to the retreat position s2. This workbench 4
Now, the hub W of the pallet 9 where the worker has reached the working position P4
1, the brake desk D is externally fitted, and the hub W1 and the brake desk D are temporarily fastened with bolts v and nuts n.

Thereafter, the temporarily tightened hub W1 and brake desk D are moved to the working position P of the hub / disk tightening device 5.
5. Here, the control unit (not shown) of the hub / disk tightening device 5 outputs the type information of the hub W1 which has been detected in advance to the feed robot 47, and the feed robot outputs a position switching program corresponding to the type information of the hub W1. The upper and lower tightening drive units 49 and 50 on the movable arm 48 are
The hub W1 is simultaneously moved in the Y direction to sequentially face the six tightening holes 17 of the hub W1. Each time the position set information is input, the control unit rotates the AC servo nut runners 53 and 54 of the upper and lower tightening driving units 49 and 50, and moves the upper and lower sockets 51 and 52 up and down from the release positions to the tightening positions in the tightening holes 17. Then, the bolt v and the nut n in the temporarily tightened state are fully tightened with a predetermined set torque, and then the upper and lower sockets 51 and 52 are returned to the escape position. When the upper and lower sockets 51 and 52 return to the release positions, the control unit (not shown) issues a command to the feed robot 47 so that the upper and lower sockets 51 and 52 face the next fastening holes 17 again.

When the final tightening by the hub disk tightening device 5 is completed, the pallet 9 transports the fully tightened hub disk to the next working position P6 of the desk rotor runout measuring device 6, and detects the unbalanced amount. Only the unbalanced amount within the specified value is transferred to the inner bearing oil seal press-fitting device 7, the upper inner bearing and the oil seal are press-fitted into the hub / disk, and sent to the carry-out stand 8. At the working position P8 of the carry-out stand 8, the assembled hub disk is transferred to the next process side.

As described above, the hub assembling apparatus described above can sequentially convey the pallets 9 on which the four types of hubs W1, W2, W3, and W4 can be placed by the conveyor-type conveying apparatus 10, and furthermore, to the conveyor-type conveying apparatus 10. The outer ring Bo of the upper and lower bearings is attached to each device provided along the
Outer bearing press-fitting device 3 that can press-fit u and Bod
And the temporarily tightened hub and brake desk D
And the hub / disk tightening device 5 integrally tightened by the nut n is automated, so that four types of hubs can be assembled with good workability. In addition, the outer bearing press-fitting device 3 automatically moves the lower bearing outer ring Bod previously mounted on the annular temporary placing table 20 of the pallet 9 simultaneously with the upper bearing outer ring Bou from the upper and lower openings of the axle hole 32 of the hub. Press-fitting is possible, and in this regard, assembly of a plurality of types of hubs can be further automated.

In the above description, the pallet 9 is formed with two concave mounting portions E1 and E2 so that the four types of hubs W
1, W2, W3, and W4 can be placed, but instead, two or more concave placement parts can be formed on a pallet, and four or more kinds of hubs can be placed. .

[0031]

As described above, according to the present invention, a plurality of types of hubs can be selectively mounted on a plurality of concave mounting portions of a pallet, and assembly of a plurality of types of hubs on the same production line can be performed easily. well done, moreover, since the outer ring of different outer diameters bearings annular temporary base of each through-hole of the concave mounting portion can be temporarily location, the outer ring of each bearing ring temporary base by a bearing press fit device It can be pressed into the lower inner peripheral wall of the axle hole formed in each hub with good workability from the lower side,
Assembly of multiple types of hubs can be automated.

[Brief description of the drawings]

FIG. 1 is a schematic overall configuration diagram of a hub assembling apparatus of the present invention.

FIG. 2 is a schematic overall configuration diagram of the hub assembling apparatus of FIG. 1 in plan view.

FIG. 3 is a longitudinal sectional view of a pallet used in the hub assembling apparatus of FIG. 1;

FIG. 4 is a sectional view of a lower main part of an outer bearing press-fitting device used in the hub assembling device of FIG. 1;

FIG. 5 is a side view of an upper main part of the outer bearing press-fitting device used in the hub assembling device of FIG. 1;

FIG. 6 is a plan view of a pallet used in the hub assembling apparatus of FIG. 1;

FIG. 7 is a cross-sectional view of a pallet used in the hub assembling apparatus of FIG. 1;

FIG. 8 is a side view of a hub / disk tightening device used in the hub assembling device of FIG. 1;

FIG. 9 is an enlarged partial cross-sectional view of a main part of a hub / disk tightening device used in the hub assembling device of FIG. 1;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 Parts supply work table 3 Outer bearing press-in device 5 Hub / disk tightening device 9 Pallet 10 Conveyor-type conveying device 101 Upper belt conveyor 12 Center plate 13 Flange 14 Hub receiving member 15 Hub receiving member 16 Bolt fitting hole 17 Tightening hole 18 Penetration Hole 19 Through hole 20 Annular temporary placing table 21 Annular temporary placing table D Brake desk Bou Outer ring of upper bearing Bod Outer ring of lower bearing v Bolt n Nut W1 Hub W2 Hub W3 Hub W4 Hub E1 Concave mounting section E2 Concave mounting section

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Kunihiro Irie 10-3-10 Nakaune, Kurashiki City, Okayama Prefecture, Sanyo Giken Co., Ltd. (56) References JP-A-4-64522 (JP, A) JP 63-114836 (JP, A) Full opening 1987-35727 (JP, U) Real opening 63-91331 (JP, U) Full opening 62-110821 (JP, U) Real opening 1987-168226 (JP , U) (58) Fields investigated (Int. Cl. ⁶ , DB name) B62D 65/00 B23P 21/00

Claims (1)

(57) [Scope of request for utility model registration] 1. A bearing press-fitting device capable of press-fitting an outer ring of a bearing to each inner peripheral wall above and below an axle hole formed in a hub. A temporary tightening work area for temporarily tightening with a nut, a hub / disk tightening device for integrally tightening the temporarily tightened hub and brake desk with the bolts and nuts, and a bearing press-fitting device for holding the pallet in which the hub is housed. A conveyor-type conveying device for sequentially conveying the temporary tightening work area and the hub / disk tightening device, and the pallet includes a plurality of concave mounting portions having different inner diameters on which a plurality of types of hubs can be selectively mounted. There is formed, its through hole different outer diameters <br/> the Bearin a through hole in the center position of each of the plurality of recessed mounting portion is formed Assembly device hub annular temporary base to temporarily place the outer ring is characterized by being formed respectively.