JPH0418742Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a jig pallet for assembling a rear suspension of a vehicle.

(Prior Art) A circulating pallet with a jig provided on its upper surface so that necessary parts can be sequentially assembled on one assembly line has already been disclosed in Japanese Utility Model Application Publication No. 59-120685.

This type of assembly method using pallets has the advantage of being able to significantly reduce equipment costs and equipment space, but on the other hand, there are limitations to assembly using this type of pallets. Although the assembly of the transaxle as seen in the above publication does not pose much of a problem, it can be difficult to assemble a rear suspension, which has a brake drum on one side and a trailing arm on the other. has problems that make it unapplicable.

(Function) The present invention was developed in view of the above problems, and its purpose is to provide a new jig pallet that can accurately and easily assemble a complex rear suspension. There is a particular thing.

(Means for Achieving the Object) That is, the present invention provides a jig pallet for assembling a rear suspension in order to achieve the above object.A cross beam mounting jig is arranged in the center of the pallet base, and A guide rail extending in the longitudinal direction of the board is provided, and the board of the drum assembly jig is slidably attached to this guide rail. A support base that is rotatable in an oblique direction is pivoted, and a knuckle support that is pivotable in the longitudinal direction of the base and in a direction substantially perpendicular to the plane of the base is pivoted at the free end of the support base. This is what I did.

(Example) The details of the present invention will be explained below based on the illustrated example.

Figure 1 shows a jig pallet that is an embodiment of the present invention and is configured for assembling a double wishbone type suspension. On one side in the width direction, there are provided coupling positioning pieces 2, 3 for coupling with a component placement pallet (not shown) and rails 4, 4 for coupling guidance, and on the other width direction, a pair of rails 4, 4 are provided on both sides. In addition to the brake drum assembly jigs 6, 6, a cross beam mounting jig 35 is attached to the center.

Next, to explain these details, the second
As shown in the figure, a base plate 8 of a drum assembly jig 6 is attached to rails 7 fixed to both side areas of the base 1 so as to be slidable in the longitudinal direction via a guide block 9. A positioning block 10 is fixedly installed on one side of the block 8, and the tip of a pin with a grip 11 inserted therein is inserted through a round hole 13 for positioning and an assembly adjustment provided in a locking plate 12 on the base 1. By fitting into either one of the elongated holes 14, the assembly jig 6 can be positioned at both positions.

On the other hand, a stud 16 is erected on the top surface of the base plate 8, and a base 19 of a support base 18 having a fulcrum pin 17 horizontally protruding from one side of the tip thereof.
is rotatably mounted via a bearing 21, and a U-shaped cam follower 22 protruding from the rear end side is brought into sliding contact with the circumferential surface of an eccentric cam 24 with a handle that is loosely fitted to the shaft 23 of the base plate 8. In response to the rotation of the cam 24, the support base 18 can be horizontally rotated from a position facing the longitudinal direction of the base 1 (solid line position in the figure) to a position facing in an oblique direction (dashed line position in the figure). It is configured as follows.

Reference numeral 27 denotes a knuckle holder which is pivoted so as to be able to rotate in two directions, horizontally and vertically, about the fulcrum pin 17 at the tip of the support base 18 described above. A clamping plate 29 that operates to tighten a portion 80c of a knuckle 80 (FIG. 4) is attached with a pin 30 by a bolt 28, and a receiving portion 33 for receiving a portion 80a of the knuckle 80 is formed on the upper surface of the other end. A recess 31 is provided on the lower surface of the support base 18, and is configured to engage with a dowel 20 provided on the upper surface of the base 19 of the support base 18 when the support base 18 is in a horizontal position. A hook 32 for fixing part 80b of 80 is rotatably attached.

Note that the reference numeral 25 in the figure indicates an abutting portion on the support base 18 that comes into contact with a part of the knuckle holder 26 when it is vertically erected to determine its strength.

On the other hand, the cross beam mounting jig 35 provided at the center of the base 1 is formed into a convex shape with a raised central part in the longitudinal direction, as shown in FIG. , Receiving part 3 with two high and low steps in the width direction
6 and 37 are formed (see figure c), the higher receiving part 36 has a cross beam 86, and the lower receiving part 3
7 is equipped with a stabilizer. Also, wings 38, 38 projecting from the center to the left and right.
Pins 39, 39 are provided upright to be inserted into holes in the cross beam 86 for positioning, and a socket 42 is inserted into a hole 40 provided at the end of the wing 38 so as to be retractable. The bolt held in the receiving portion 43 at the tip is configured to fit into the hole of the cross beam. That is, as shown in FIG. 3d, the cross beam mounting jig 35
A sleeve 44 is provided on the lower surface of the end of the blade 38, and here, a spindle 47 having a square shaft 46 at its upper end contacts a flange portion 48 provided at its lower end with a retaining edge 45 at the lower end of the sleeve 44. The socket 42, which is inserted in this manner and slidably fitted onto the square shaft 46, is urged upward by a spring 49 and projects upwardly from the hole 40 at the end of the blade 38.

The cross beam mounting jig 35 configured in this way has two flanged rods 50 attached to the lower surface of the center at an angle of 4 degrees to the base 1, as shown in FIG. 3c.
The cross beam 86 is held at a slight inclination in the width direction by slidably fitting into the guide tube 51 with a retaining edge that is erected at a certain inclination, and by moving it up and down, It is configured so that it can be attached to a vehicle body (not shown) in a state suitable for an empty vehicle.

Reference numerals 53 and 54 in FIG. 1 indicate studs for positioning and holding an assembly jig 60 for a McPherson strut type suspension, which will be described later.

Next, the assembly operation of the double wishbone type suspension on this jig pallet will be explained based on FIG. 4.

The solid line position in FIG. 2, that is, the support base 18
is positioned substantially in the longitudinal direction of the base 1, and with the knuckle holder 27 on it laid down horizontally, the part 80a of the knuckle 80 is placed on the receiving part 33 at the other end of the knuckle holder 27. and part 8
0b on the hook 32, and then tighten the bolt 28.
By tightening, the portion 80c is held between the holding plate 29 and the knuckle holder 27, and the knuckle 80
is fixed on the holder 27.

Next, the rear brake shoe 81 is placed on the spindle 80d of the nutcle 80 via the spindle ring and fixed with bolts, and then the hub unit bearing 82 and rear brake drum 83 are placed on it, and the washer and spindle nut are fitted onto the spindle 80d. Then, the hub unit cap 84 is press-fitted onto the hub unit cap 84, and finally the knuckle holder 27 is vertically rotated about the fulcrum pin 17 to stand up the knuckle 80 (as shown by the broken line in Fig. 2b). position), and the trailing arm 85 is attached to the other surface portion 80e with a nut (FIG. 4a).

When each assembly operation of the brake drum parts is completed in this way, and the eccentric cam 24 with grip part is then rotated approximately 180 degrees to the position indicated by the broken line in FIG. The cam follower 22 is rotated counterclockwise in the figure, and the axis of the brake drum is rotated so that the bracket 85a surface of the trailing arm 85 faces diagonally rearward.
Since the brake drum is oriented in the direction of line a (FIG. 4b), an automatic machine (not shown) disposed at the rear can tighten the nuts without being interfered with by the other brake drum assembly.

Next, pull up the pin with a grip 11 inserted into the positioning block 10, remove its tip from the round hole 13 for positioning, move the base plate 8 to the outside of the base 1, and move it to the long hole 14 for assembly. engage with.

At the same time, the cross beam mounting jig 35
A bolt is fitted into the tip of the socket 42, and the bolt and pin 39 are passed through the hole in the cross beam 86 and placed on the receiving part 36. Then, the position of the drum assembly jig 6 is adjusted by moving it slightly in the inward and outward directions. At the same time, fit the two lower arms 87, 87 between the nutcle 80 and the cross beam 86 and fix them with bolts and nuts.Finally, connect the hydraulic pipe 88, etc. to complete the assembly (Fig. 4). c).

Please note that the above explanation is based on the rear suspension of a vehicle equipped with drum brakes.
It goes without saying that the rear suspension of a vehicle equipped with a disc brake can also be assembled using the above-mentioned jig pallet.

Additionally, the above-mentioned jig pallet was constructed as a jig pallet for assembling a double wishbone type suspension, but at the same time the specifications of this pallet were changed to be used for assembling a McPherson strut type suspension. Since it is also possible to do so, the configuration in this respect will be briefly explained next.

FIG. 5 shows a state in which a disk assembly jig 60 for a McPherson strut type suspension is assembled to the assembly jig for a wishbone type suspension shown in FIG.

The base part of this jig 60 consists of a long bar-shaped base frame 61 and a base plate 62 fixed on this frame 61 so as to avoid the drum assembly jig 6.
Recess 63 and base plate 62 provided on the lower surface of 1
The cylindrical body 64 provided on the lower surface of the above-mentioned 2 on the base 1
The book is held horizontally at three points by fitting into the tips of the book studs 53 and 54 and abutting the legs 65 protruding from the lower surface of the other end of the base frame 61 on the base 1. The outer end of the base frame 61 is provided with a urethane rubber receiving part 66 on which a disc brake is placed, and as shown in FIG. 6, the inner end of the base frame 61 is provided with a guide plate. A lower arm receiving portion 72 having an arcuate recess 70 at the top and a bracket 71 attached with urethane rubber at the center is inserted into the pin 69 of the guide plate 68 through the elongated hole 73. It is attached so that it can be slid up and down by fitting it together.

On the other hand, on the base plate 62, a donut-shaped disk plate holder 76 guided by two rods 75 erected thereon supports the spring 7.
7, and a C-shaped receiving portion 79 made of urethane rubber for mounting on the brake disk surface is attached to the upper end of the rod 75.

Next, this assembly operation will be briefly explained with reference to FIG. 7 showing an exploded view of a McPherson strut type suspension. The assembled and integrated thing is the rear brake disc 90.
Place the surface 90a on the brake disc surface receiving portion 79 and position it with bolts, then fix the lower arm 94 to the hub carrier 93 with bolts,
Further, a trailing link 96 is fixed to the hub carrier 93 via a trailing link bracket 95. Then, after assembling the caliper, brake pipe, etc., the assembled body is placed on its side and the rear brake disc 9 is placed on the disc brake receiver 66.
0 is placed thereon, and the other end 94a of the lower arm 94 is placed on the lower arm receiving portion 72, and then transported to the next vehicle body mount assembly section.

(Effects) As explained above, according to the present invention, guide rails extending in the longitudinal direction are provided at both ends of the pallet base, and the board of the drum assembly jig is slidably attached thereto. A support base rotatable in the longitudinal direction and diagonal directions is pivotally supported, and a knuckle support body rotatable in the longitudinal direction and in a direction perpendicular to the plane is pivotally supported at the free end of this support base.
Not only can the brake drum be assembled with the knuckle support horizontal, and the trailing arm on the opposite side can be assembled with the knuckle support vertical.
Furthermore, by rotating the support base diagonally and making the axes of the left and right brake drum assemblies different, bolt tightening work for the trailing arm can be easily performed without interference from the other assembly. be able to.

Moreover, since the board of the drum assembly jig is slidably attached to the guide rail extending in the longitudinal direction of the base, the position of the brake drum assembly can be adjusted and these parts can be consistently attached to the lower arm and cross beam. The assembly of complex rear suspensions of this type can be carried out easily and efficiently on a single pallet conveyed by an assembly conveyor.

[Brief explanation of the drawing]

Figure 1 is a perspective view of an assembly jig pallet showing an embodiment of the present invention, Figures 2a and b are top and side views of a brake drum assembly jig, and Figures 3a to d
are the side view, top view, and A of the cross beam mounting jig.
- Each enlarged sectional view taken along the A line and the B-B line, Figures 4a to 4c are diagrams showing the assembled state of the double wishbone type suspension, and Figure 5 is a diagram showing the assembled state of the double wishbone suspension. FIGS. 6A and 6B are top and side views of the jig, and FIG. 7 is an exploded perspective view of the suspension. DESCRIPTION OF SYMBOLS 1... Base, 6... Brake drum assembly jig, 7... Guide rail, 8... Base plate, 18... Support base, 24... Eccentric cam with grip, 27... Knuckle holder, 32 ...Hook, 35...Cross beam mounting jig, 42...Socket, 60...Disk assembly jig, 80...
Natsukuru, 81...Brake shoe, 83...Rear brake drum, 85...Trailing arm, 86...Cross beam.

Claims (1)

[Scope of utility model registration request] A cross beam mounting jig is arranged in the center of the pallet base, guide rails are provided at both ends that extend in the longitudinal direction of the above board, and the board of the drum assembly jig is slidably attached to the guide rails. , a supporting base rotatable in the longitudinal direction of the base and in a direction diagonal to the longitudinal direction is pivotally supported on a shaft erected on the substrate; A jig pallet for assembling a rear suspension, which pivotally supports a knuckle support that is rotatable in the longitudinal direction of the base and in a direction substantially perpendicular to the plane of the base.