JPH078178U - Vehicle hood positioning jig - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a positioning tool for a vehicle bonnet, which can be centered on the basis of an outer part and can be positioned so that gaps along a fender can be equalized. [Structure] Guide plates 50, 50 are horizontally fixed so as to be bilaterally symmetric, and mounting plates 51, 52 for fixing a pair of abutment masts 6, 6 are slidably fitted to the guide plates 50, 50, respectively. By driving 53, the pair of mounting plates 51, 52 facing each other are moved in association with each other in the direction in which they meet.
An abutting portion 7 is provided at the tip of the abutting mast 6, and the abutting portion 7 is configured by pivotally supporting a rocking piece 70 with a locking pin 71 so that the rocking piece 70 is attached to a side edge of the outer portion 20 of the bonnet 2. Abut from the left and right sides and sandwich.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a vehicle bonnet positioning jig for determining the center position of a bonnet temporarily mounted on a stand in a workstation for mounting the bonnet to a vehicle body, and more specifically, to a bonnet mounted on the stand. The present invention relates to a vehicle bonnet positioning jig in which the center position is indexed and positioned by sandwiching between.

[0002]

[Prior art]

 A bonnet mounting robot is already known for the assembly of mounting the bonnet to the vehicle body. For example, as disclosed in Japanese Patent Laid-Open No. 62-99272, a reference point provided on a vehicle body is measured, and this measurement data is transmitted to a position control device of a holding unit for holding and manipulating a bonnet. Then, the bonnet is accurately assembled to the vehicle body by the control operation of the position control device. In this case, a reference point is also set on the bonnet side, and in general, a reference hole is often provided in the inner part of the bonnet and used as the reference point for positioning.

[0003]

[Problems to be solved by the device]

 However, in such a conventional type, when the bonnet was attached to the vehicle body, the gaps along the front fenders were not uniform and sometimes varied. This is because the inner and outer parts of the bonnet are integrated by press working, so there is a certain tolerance regarding the positional deviation in the joining of both parts, and the reference point on the bonnet side is set to that inner part. Therefore, the gap along the front fender is affected by the tolerance.Therefore, there is variation in the gap between the side edge of the outer part of the bonnet and the corresponding side of the front fender, and its width is not uniform. It may become uniform, which is unfavorable because the appearance will deteriorate.

The present invention has been made in view of the above circumstances, and its purpose is to determine the center position based on the outer portion of the bonnet, and to follow the front fender when mounting on the vehicle body. (EN) It is an object to provide a positioning jig for a vehicle hood that can perform positioning so that the gaps can be equalized.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention is for determining the center position of a vehicle bonnet mounted on a stand having a seat, and is abutted from the outside on the side edge of the outer part of the bonnet. And a drive means for moving the pair of contact members in an interlocking manner toward the side edge.

Further, the abutting member is provided with a swing piece that swings around the support shaft and comes into contact with the side edge of the outer portion of the above-mentioned bonnet at two positions separated from each other.

[0007]

[Action]

 The operation of the present invention will be described. When the drive mechanism is operated with the bonnet placed on the stand, the pair of abutting members move in conjunction with each other toward the bonnet, and the side edge of the outer part of the bonnet is moved. Abut against. In other words, the bonnet mounted on the mounting table has its outer part sandwiched from both sides by a pair of abutting members facing each other, and therefore, even if the bonnet is displaced, it can be corrected. Yes, you can figure out the center position.

[0008]

【Example】

 Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a side view of a hood stand according to a preferred embodiment of the present invention. FIG. 2 shows the bonnet mount and the bonnet mounted on it, and FIG. 2 is a plan view of the base part of FIG.

In this bonnet stand 1, a base 11 is provided on an inclined surface of a frame 10 which is a frame body whose side surfaces are formed in a substantially triangular shape, and a base 11 is positioned on the upper surface of the base 11 with a support portion 3 of a bonnet 2. A jig 4 is provided so that the bonnet 2 is temporarily placed at the workstation where the bonnet 2 is attached to the vehicle body and the center position of the bonnet 2 is determined.

The bonnet 2 has an inner portion (not shown) and an outer portion 20 which are integrated by press working.

In the support portion 3, two rotary shafts 30, 30 are arranged symmetrically with respect to the longitudinal center of the base 11, and a plurality of seat masts 31, 32, 33 mounted on the rotary shafts 30, 30 are installed. Is configured to support the bonnet 2. Both ends of the rotary shaft 30 are axially supported by pillar members 34 provided upright on the base 11, and are separated from the base 11 by a predetermined distance. Has become. Each of the receiving masts 31, 32, 33 is fixed to the rotary shaft 30 via a mounting ring 36, and the receiving seats 31a, 32a, 33a having a receiving surface of a predetermined shape are provided at the tip of the mast. Each is provided so as to abut against a corresponding portion of the bonnet 2 to support it. A hinge receiving mast 37 is fixed to the rotary shaft 30 on the lower side thereof, that is, the lower side of the inclined shaft via a mounting ring 36, and a hinge receiving portion 37a is provided at the tip of the mast. The hinges provided at the side edge portions of 2 are supported in a predetermined posture.

Although not shown, on the outer peripheral surface of the mounting ring 36, a plurality of receiving masts or hinge receiving masts corresponding to other vehicle bonnets having different shapes, dimensions, etc. are provided by dividing the outer peripheral surface. By rotating the rotary shaft 30 and standing the corresponding mast row in a supporting posture, the mast row can be supported corresponding to a plurality of types of bonnets.

As shown in FIG. 3, two sets of positioning jigs 4 are arranged in two stages with respect to the top and bottom of the base 11, and a pair of contact masts 6 and 6 are brought together by driving a slide mechanism 5. It is configured to move in conjunction with the direction.

The slide mechanism 5 has two guide plates 50, 50 horizontally extended and fixed on the base 11 so as to be bilaterally symmetrical with respect to a longitudinal center thereof, and a pair of abutting members are abutted on the guide plates 50. Mounting plates 51, 52 for fixing the masts 6, 6 are slidably fitted to each other, and the mounting plate 51 on the driving side and the mounting plate 52 on the driven side are interlocked and driven to move.

That is, the mounting plate 51 is connected to the cylinder rod 53a of the air cylinder 53 provided at the substantially center of the base 11, and is horizontally moved by driving the air cylinder 53, which is the driving side. . A rack gear shaft 55 is connected to the other mounting plate 52 via a push rod 54 and extends to the mounting plate 51 side. The rack gear shaft 55 meshes with a pinion gear 56 arranged on the base 11. The pinion gear 56 is meshed with the rack gear 57 fixed to the side portion of the mounting plate 51. In order to control the moving direction of the rack gear shaft 55, a guide pulley 55a is provided on the base 11 so as to face the pinion gear 56, and a guide pulley 55b is also provided laterally on the push rod 54 side. ing. Therefore, the pinion gear 56 rotates with the movement of the mounting plate 51, and the rack gear shaft 55 slides in the opposite direction together with the movement of the mounting plate 51, and the mounting plate 52 is subordinately moved with the movement of the mounting plate 51. , Become the driven side. A cross section of the main part of the slide mechanism 5 is shown in FIG.

A contact portion 7 is provided at the tip of the contact mast 6. As shown in an enlarged view in FIG. 5, the abutting portion 7 is configured by pivotally supporting a rocking piece 70 by a locking pin 71 so that the left and right abutting masts 6 and 6 can be supported. They are opposed to each other and form a pair, and are brought into contact with the side edges of the outer portion 20 of the bonnet 2 from the left and right outer sides. The oscillating piece 70 has protrusions at both ends and oscillates around the support shaft, and comes into contact with the side edges of the outer portion 20 of the bonnet 2 at two positions separated from each other.

In the vehicle assembly line, the bonnet stand 1 configured as described above is arranged on the side of the transfer line L of the vehicle body 8 as shown in FIG. 6, and serves as a workstation for attaching the bonnet 2 to the vehicle body 8. . In this workstation, a bonnet mounting robot 90 is arranged between the transportation line L of the vehicle body 8 and the bonnet mounting base 1, and the bonnet mounting robot 90 has a suction portion for suction-supporting the bonnet 2 at the arm tip. It has the material hand 91 which it has. A bolt tightening robot 92 is arranged on the opposite side of the vehicle body 8 from the transport line L, and the bolt tightening robot 92 has a nut runner 93 for tightening the hinge bolt of the bonnet 2 at the arm tip. ing.

Although not shown in the figure, there is an upper transfer line for transferring the bonnet 2 above the transfer line L of the vehicle body 8. In the work station, first, the bonnet mounting robot 90 is used to move the upper transfer line. Remove the hood 2 from the hood and place it on the hood 1 in the hood. Then, the center position of the bonnet 2 is determined by the positioning jig 4 of the bonnet mounting base 1 to correct the positional deviation, and then the bonnet mounting robot 90 is used again to bring out the bonnet 2 from the bonnet mounting base 1 to a predetermined portion of the vehicle body 8. At the same time, the hinge bolts of the bonnet 2 are tightened using the bolt tightening robot 92.

As for the operation of the positioning jig 4, when the air cylinder 53 of the slide mechanism 5 is driven to contract the cylinder rod 53a while the bonnet 2 is supported by the support portion 3, the mounting plate 51 causes the base plate 11 to move. While moving toward the center of the vertical direction, the mounting plate 52 on the opposite side also moves in the meeting direction of the two. As a result, the pair of left and right abutting portions 7 and 7 move in association with each other in the direction of their meeting, and the swinging piece 70 is moved to the side edge of the outer portion 20 of the bonnet 2 at the two separated ends. Abut. That is, the bonnet 2 mounted on the bonnet mounting base 1 is such that its outer part 20 is sandwiched by the pair of opposed rocking pieces 70, 70 from both sides. Even if there is, the deviation can be corrected toward the vertical center of the base 11, and the center position can be determined. In this case, since the center position is indexed with reference to the outer portion 20 of the bonnet 2, it is possible to perform the positioning so that the gaps along the front fender can be equalized when mounted on the vehicle body 8. As a result, the gaps between the side edges of the outer portion 20 of the hood 2 and the corresponding side portions of the front fender can be symmetrically arranged in the left and right of the vehicle, and the appearance can be significantly improved.

Since the center position is determined by sandwiching the outer part 20 of the bonnet 2 from both sides, it can be used as it is for other vehicle bonnets having different shapes, dimensions, etc. It can be applied to various types of bonnets, and as to the mounting support, as described above, there is no inconvenience because the corresponding mast row is set in the supporting posture by rotating the rotary shaft 30 of the supporting portion 3.

[0021]

[Effect of device]

 As described in detail above, according to the vehicle bonnet positioning jig of the present invention, the pair of abutting members move in conjunction with each other toward the bonnet and contact the side edge of the outer portion of the bonnet. Contact. In other words, the bonnet mounted on the mounting table has its outer part sandwiched from both sides by a pair of opposing abutting members, and therefore, even if the bonnet is displaced, it can be corrected. The center position can be calculated. In this case, since the center position is indexed with reference to the outer part of the bonnet, the positioning can be performed so that the gaps along the front fender can be equalized when mounting on the vehicle body. As a result, the gap between the side edge of the outer part of the bonnet and the corresponding side part of the front fender can be symmetrically aligned on the left and right of the vehicle, and the appearance can be significantly improved.

Further, since the center position is determined by sandwiching the outer part of the bonnet from both sides, it can be used as it is for other vehicle bonnets having different shapes, dimensions, etc., and a plurality of types of bonnets can be used. Can correspond to.

[Brief description of drawings]

FIG. 1 is a side view of a hood stand according to an embodiment of the present invention.

FIG. 2 is a plan view of a base portion as viewed in the direction of arrow A in FIG.

FIG. 3 is a plan view showing a positioning jig mounted on a hood stand.

FIG. 4 is a cross-sectional view of a main part of a slide mechanism taken along the line BB of FIG.

FIG. 5 is a plan view showing an enlarged contact portion.

FIG. 6 is a plan view showing a vehicle assembly line.

[Explanation of symbols]

 1 stand (bonnet stand) 2 bonnet 4 positioning jig 5 driving means (slide mechanism) 7 contact member (contact part) 20 outer part 31a, 32a, 33a seat 70 swinging piece

Claims (2)

[Scope of utility model registration request] 1. A center position of a vehicle hood mounted on a stand having a seat, the center position being determined.
A pair of contact members that come into contact with the side edges of the outer portion of the bonnet from the outside, and a driving unit that moves the pair of contact members in an interlocking manner toward the side edges. Positioning jig for vehicle hood. 2. The abutting member is provided with a rocking piece that rocks around a support shaft and abuts against a side edge of an outer portion of the bonnet at two separated ends. The vehicle bonnet positioning jig according to claim 1.