JP3406549B2 - Inner hook for assembly - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inner jig for assembly. Specifically, the present invention relates to an assembly inner jig that is used for assembling an assembly such as an automobile body and is installed inside the assembly during assembly. 2. Description of the Related Art A conventional inner jig for assembling has been used as shown in FIG. 6 showing a sectional side sectional view of a conventional example. That is, 101 is a conventional assembly inner jig. Reference numeral 102 denotes a side member reference portion. The side member reference portion 102 is attached to the assembly inner hook 101. Reference numeral 103 denotes an assembly inner jig main body reference portion. The inner jig body reference part 103 for assembly is installed on both sides of the line in the middle of the assembly line of the automobile body.
Reference numeral 104 denotes an automobile body side member. Therefore, an inner jig 10 for assembly is placed inside the automobile body side member 104 that has been conveyed to the automobile body assembly line.
When 1 is installed, the side member reference portion 102 is moved to the center side of the assembly inner hook jig 101 to reduce the width dimension. The main body reference portion is fixed at an outer position where the side member is released. Inner hook 101 for assembly
Is moved by an air cylinder. Inner jig 1 for assembly
In the state where the width dimension of 01 becomes small, the inner hook jig 1 for assembly
01 is lowered into the space between the car body side members 104, 104. The descent is performed by a motor.
After reaching the reference point, the side member reference portion 102 is moved in the horizontal direction, which is the horizontal direction, by driving the air cylinder, and the width of the inner hook jig 101 for assembly is increased. The automobile body side member 104 is assembled between the assembly inner hook jig 101 and the assembly inner hook jig main body reference portion 103. After the automobile body is assembled, the side member reference portion 102 is moved in the central direction, which is the horizontal direction, by driving the air cylinder, and the width of the assembly inner jig 101 is narrowed. Then
The motor is driven, and the side member reference portion 102 raises the assembly inner hook jig 101 having a width that does not contact the automobile body side member 104 and removes it from the assembly line. However, in the conventional inner jig for assembling, even if the side member reference portion 102 is set inside the body, the inner hook main body reference portion 103 is set.
Was on the outside of the vehicle, it was necessary to dispose the assembly inner jig main body reference portion 103, for example, on the outside when the body was transported. For this reason, the assembly inner jig main body reference portion 103 for assembly is larger than each reference portion, and there is a problem that the cost is increased. SUMMARY OF THE INVENTION The present invention provides an inner hook body reference portion that can be passed through an inner hook body reference portion through hole provided in an underbody panel that is installed in an assembly process. , Installed on the underbody panel reference part installed side by side on the inner jig body reference part and the inner jig body reference part through the inner hook body reference part through-hole provided in the underbody panel And an inner hook jig for assembly, characterized in that the inner hook jig is assembled. Therefore, an inner hook body reference portion through hole provided in the underbody panel is passed through the inner hook body reference portion. Install the underbody panel at the base of the underbody panel. The inner hook jig main body is set on the inner hook jig main body reference portion penetrating the inner hook jig main body reference portion through hole. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a front sectional view of an embodiment of the present invention, FIG. 2 shows a side sectional view of the same, FIG. 3 shows an enlarged side view of the inner hook body, and FIG. This will be described with reference to FIGS. 4 and 5 showing enlarged side views in use. 11 is a motor. The motor 11 is installed in the upper part of the assembly process of the assembly line of the automobile body. 12
Is a chain. The two parallel chains 12 are driven up and down by a motor 11. Reference numeral 13 denotes an inner hook jig main body reference portion. The inner hook jig main body reference portion 13 protrudes vertically from the floor surface in the assembly process. Reference numeral 14 denotes an underbody panel reference portion. Underbody panel reference section 14
Are arranged vertically from the floor in line with the inner hook jig main body reference portion 13. 21 is an elevating lower frame. Both ends of the elevating lower frame 21 are attached to the lower end of the chain 12. Reference numeral 22 denotes a slide frame. The slide frame 22 is fixed to the lower surface of the elevating lower frame 21 and is moved up and down together with the elevating lower frame 21 by driving the chain 12 on the inner jig main body reference portion 13. 23 is a slide shaft. The slide shaft 23 is attached so as to be vertically movable through a hole provided in the slide frame 22. Reference numeral 24 denotes an upper stopper. The upper stopper 24 is a slide frame 22
Is provided with a diameter larger than that of the hole provided on the slide shaft 23, and is attached to the upper portion of the slide shaft 23 to come into contact with the slide frame 22, thereby restricting the slide shaft from descending. Reference numeral 25 denotes an inner hook body. The inner hook body 25 is attached to the lower part of the slide shaft 23. Reference numeral 26 denotes a guide. The guide 26 is attached to the inner hook body 25 in the horizontal direction. In this embodiment, the guide 26 is an LM guide. 27 is a side member stopper. The side member stoppers 27 are installed at both ends of the guide 26. 28 is
It is a side member reference part frame. The side member reference frame 28 is a guide 26 made of an LM guide.
It moves according to the guide 26. 29 is
It is a linked link. Both ends of the connecting link 29 are attached to the side member reference portion frame 28 and the slide frame 22 to connect the two. 31 is a damper stay. The damper stay 31 has a guide 26 at one end.
The other end is attached to the side member reference portion frame 28, and always biases the side member reference portion frame 28 outward. When the side member reference frame 28 starts moving, the damper stay 3
Get 1 assistance. 32 is a side member reference | standard part. The side member reference portion 32 is provided on the contact surface of the side member reference portion frame 28 with the side member 42. Reference numeral 41 denotes an underbody panel for an automobile body to be assembled. 42 and 42 are side member panels of the automobile body which are also assembled. The underbody panel 41 includes an inner jig body reference portion 13.
Is provided with an inner jig body reference portion through-hole 43 formed of a hole having a shape that can be passed through without loosening. Further, the underbody panel 41 is provided with an underbody panel reference portion contact portion 44 with which the underbody panel reference portion 14 is contacted. Therefore, the underbody panel 41 is placed on the inner jig body reference portion 13 and the underbody panel reference portion 14. Then, the inner jig body reference part 13
Passes through the inner jig main body reference portion through hole 43 provided in the underbody panel 41, but the tip of the underbody panel reference portion 14 contacts the underbody panel reference portion contact portion 44, and the underbody panel Reference part contact part 4
Underbody panel is installed on 4th. By installing the underbody panel on the underbody panel reference portion abutting portion 44, the vehicle body reference in the vertical direction is obtained. Next, when the motor 11 is driven and the chain 12 is extended to lower the slide frame 22, the inner jig body 25 connected to the slide frame 22 via the slide shaft 23 is lowered. When the inner hook jig main body 25 comes into contact with the inner hook jig main body reference portion 13, further lowering is prevented, and the inner hook jig main body reference portion 13 passing through the inner hook jig main body reference portion through hole 43 is prevented. The inner hook body 25 is installed.
Further, when the slide frame 22 is lowered, one end of the connection link 29 is attached to the slide frame 22, and the other end of the connection link 29 and the side member reference portion frame 28 are connected. Moves outward according to the guide 26.
The outward movement of the side member reference portion frame 28 is performed until it is blocked by the side member stopper 27. When the side member reference portion frame 28 comes into contact with the side member stopper 27, the motor 11 that receives a signal from a sensor that senses this stops driving and stops the slide frame 22 from descending. At this time, the upper stopper 24, together with the upper portion of the slide shaft 23,
A state of projecting from the slide frame 22 is obtained. Therefore, the side member reference frame 2
8. The side member panels 42 of the automobile body are brought into contact with and attached to the side member reference portions 32 on both sides. The side member reference unit 32 provides a horizontal reference for the automobile body. After the side members are assembled, the slide frame 22 is raised. Then, since one end of the connection link 29 is attached to the slide frame 22 and the other end of the connection link 29 and the side member reference portion frame 28 are connected, the side member reference portion frame 2 is connected.
8 moves inward according to the guide 26. At the same time, the slide frame 22 rises until it contacts the upper stopper 24. When the slide frame 22 comes into contact with the upper stopper 24, the inner jig body 25 attached to the lower portion of the slide shaft 23 also rises as the slide frame 22 rises. According to the present invention, the assembled vehicle body can be transported without moving the inner jig body reference portion.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side sectional view of an embodiment of the present invention. FIG. 2 is a front sectional view of an embodiment of the present invention. Fig. 4 is an enlarged side view of the inner jig body according to the embodiment of the present invention. Fig. 5 is an enlarged side view of the inner jig body according to the embodiment of the present invention. 6] Cross-sectional view of center of side of conventional example [Explanation of symbols] 13 Inner jig body reference part 14 Underbody panel reference part 25 Inner jig body 28 Side member reference part frame 41 Underbody panel 43 Inner jig body Reference part through hole

Continuation of front page (72) Inventor Hitoshi Sajima 4-12 Oyamacho, Sagamihara City, Kanagawa Prefecture Central Motor Co., Ltd. (56) References Japanese Patent Laid-Open No. 64-1667 (JP, A) Japanese Patent Laid-Open No. 1-2222828 (JP, A) (58) Fields surveyed (Int.Cl. ⁷ , DB name) B62D 65/00 B23P 21/00

Claims (1)

(57) [Claims] [Claims] [Claim 1] An inner jig body reference part installed in the assembly process and capable of penetrating an inner jig body reference part through-hole provided in an underbody panel; It is installed on the underbody panel reference part installed side by side on the inner hook body reference part and the inner hook body reference part that penetrates the inner hook body reference part through hole provided in the underbody panel. ,
Inner jig body with side member reference part frame, guide, side member stopper, elevating lower frame moved up and down, slide frame fixed to elevating lower frame and moved up and down together with elevating lower frame, one end sliding A connecting link attached to the frame, a guide attached horizontally to the inner hook body, a side member reference portion frame that is connected to the other end of the connecting link and moves according to the guide, An inner hook jig for assembly comprising a side member stopper for preventing movement of the member reference portion frame to the outside.