JP3566093B2 - Module unit transfer device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a module unit transport device that carries a module unit mounted on a vehicle body through a door opening of the vehicle body.
[0002]
[Prior art]
Conventionally, as shown in FIG. 11, when a dash module unit is mounted on a vehicle body 201, a module unit transport device 202 has been used (see Japanese Patent Application Laid-Open No. Hei 6-87476).
[0003]
The module unit transport device 202 includes a pair of rails 205, 205 disposed at an upper portion along a transport line, a guide rail 206 movably supported along the rails 205, 205, and a guide rail 206. And a rotatable transfer arm 207 supported by the arm, and a hand 208 provided on the transfer arm 207 and holding the dash module unit. Thus, the dash module unit gripped by the hand 207 can be carried into the vehicle cabin by moving the transfer arm 207.
[0004]
[Problems to be solved by the invention]
However, in the module unit transfer device 102, a pair of rails 205, 205 must be provided along the transfer line, and the guide rail 206 must be movably supported by both rails 205, 205. The increase in size of the equipment was inevitable. In addition, the rails 205 and 205 and the guide rail 206 must be installed in a factory, which increases costs.
[0005]
The present invention has been made in view of such a conventional problem, and an object of the present invention is to provide a module unit transfer device that does not require installation work in a factory and can be reduced in size.
[0006]
[Means for Solving the Problems]
According to a first aspect of the present invention, there is provided a module unit transport apparatus for loading a module unit mounted on a vehicle body through a door opening of the vehicle body transported along a transport line. In the transfer device, the transfer device includes a movable body and a support body that is supported by the movable body via a bellows that expands and contracts according to an input pressure so as to be vertically movable, and enters a lower portion of the vehicle body that is transported along the transport line. A base body, and an arm that is erected on the support of the base body and is inserted into the vehicle body through the door opening in a state where the base body has entered the lower part of the vehicle body. A grip provided on the arm, for gripping the module unit, and a grip for holding the module unit when gripping the module unit with the grip. Comprising a positioning means for positioning the mounting position of the location and the vehicle body, wherein the bellows has a cylindrical portion extending in the vertical direction, are fitted in a vertically movable tubular portion, the protruding amount from the cylindrical portion A stopper comprising a shaft with a restricted shaft is provided at the center, the base end of the cylindrical portion is fixed to one end of the bellows, and the tip end of the shaft is fixed to the other end of the bellows.
[0007]
That is, when the module unit is transported by the module unit transport device, the base body is moved to the module unit placed at a predetermined position. Then, the input pressure to the bellows that supports the support is adjusted by the moving body of the base body, and the grip provided on the arm is provided by the arm positioning means provided on the support of the base body. The module unit is gripped at a predetermined position by the grip with the grip position of the module unit being positioned. Then, the base body together with the module unit gripped by the grip is moved to the transfer line, and enters the lower part of the vehicle body transferred along the transfer line. Then, the arm and the module unit gripped by the grip of the arm are inserted into the vehicle body through a door opening of the vehicle body. In this state, the input pressure to the bellows is adjusted, the module unit gripped by the grip by the positioning means is aligned with the mounting position of the vehicle body, and temporarily fixed to the vehicle body, and then the gripping state by the grip is performed. Is released, and the base body is moved from below the vehicle body.
[0009]
Further , the bellows is restricted in the upwardly extending dimension, and the cylindrical portion and the shaft act as a core of the bellows, so that the bellows are prevented from being carelessly tilted and shifted laterally.
[0010]
Further, in the module unit transport device of the second aspect, the moving body of the base main body is provided with an air blowing section for blowing air into a lower space of the moving body to increase a pressure in the lower space.
[0011]
Therefore, when the base body is moved, air is blown out from the air blowing portion to the lower space of the moving body, and the pressure in the lower space is increased, so that the base body is moved in a floating direction. Force is applied.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a view showing a module unit transport device 1 of the present invention. As shown in FIG. 2, the module unit transport device 1 includes a dash module unit 3 mounted on a module subassembly table 2. It is carried in from the door opening 6 of the vehicle body 5 that is conveyed along the conveyance line 4.
[0015]
As shown in FIGS. 1 and 2, the module unit transport device 1 includes a base body 12 that freely moves on a floor 11 in a premises, and an arm 13 provided on the base body 12. The arm 13 extends in parallel to the base body 12 toward the other end via an upright portion 14 erected at one end of the base body 12 and a bent portion 15 at the upper end of the upright portion 14. It is formed in a hook shape by the extending portion 16 that extends. Thereby, the arm 13 is configured such that when the base body 12 enters the lower part of the vehicle body 5, the extension 16 is inserted into the vehicle body 5 through the door opening 6. Have been. In addition, a grip 17 for gripping the dash module unit 3 is provided at a distal end of the extension 16, and a gripping position of the dash module unit 3 by the grip 17 and a vehicle body are provided at a base end. A positioning device 18 for positioning the mounting position is provided via an extension pipe 19.
[0016]
As shown in FIG. 3, the grip 17 includes a clamp cylinder 21 driven by supplied air pressure, and a rod 22 extending from the clamp cylinder 21 has an upper arm through an L-shaped link 23. The part 24 and the lower arm 25 are supported. An upper clamp 26 and a lower clamp 27 that are adapted to the shape of the dash module unit 3 at the gripping position are provided at the respective distal ends of the both arm portions 24 and 25, and a shaft that supports the both arm portions 24 and 25 is provided. The supporting portion 28 is provided with a positioning stopper 29 for contacting the dash module unit 3 gripped by both arms 24 and 25 and positioning the dash module unit 3 with respect to the clamps 26 and 27.
[0017]
As shown in FIG. 4, the positioning device 18 is provided with a feed mechanism 32 having a toggle handle 31. When the dash module unit 3 is gripped by the dash module unit 17, the dash module unit 3 is inserted into a locate hole (not shown) provided in the dash module unit 3, and a positioning unit that positions the grip position of the dash module unit 3 by the grip 17. Locating pin 34 is provided.
[0018]
Further, the positioning device 18 is provided with a fastening mechanism 41, and the fastening mechanism 41 is provided with a nut runner 42 and an air cylinder 43 that operate by receiving air supply. At the tip of the nut runner 42, a socket 44 for holding a nut is provided. The socket 44 is configured to be driven forward and backward by an LM guide 46 provided at the tip of a rod 45 of the air cylinder 43. Have been. Accordingly, when a mounting hole (not shown) provided in the dash module unit 3 is inserted into a weld bolt 47 (see FIG. 2) as a fastening bolt protruding from the vehicle body 5, the socket A nut set in advance at 44 is fastened to the weld bolt 47 so that the dash module unit 3 can be temporarily fixed to the vehicle body 5.
[0019]
Also, as shown in FIG. 5, the base body 12 has a moving body 52 forming a lower part provided with wheel casters 51,. The arm 13 is constituted by a support member 53 forming an upper part on which the arm 13 stands upright. At the four corners of the moving body 52, bellows units 54,... That expand and contract in the vertical direction are provided, and the support 53 is attached to the moving body 52 through the bellows units 54,. It is supported so that it can move up and down.
[0020]
As shown in FIG. 6, the bellows unit 54 includes a bellows 61 that can expand and contract in the vertical direction according to the supplied air pressure, and a stopper 62 provided at a central portion inside the bellows 61.
[0021]
As shown in FIG. 7, the stopper 62 includes a tubular portion 71 extending in the bellows 61 in a vertical direction, and a guide shaft 72 fitted inside the tubular portion 71 so as to be vertically movable. ing. A disk-shaped base plate 73 is formed at a lower end of the cylindrical portion 71, and a disk-shaped tip plate 74 is formed at an upper end of the guide shaft 72. Slits 75, 75, both ends of which are closed, are formed in the cylindrical portion 71 at opposing portions. The guide shaft 72 has through holes 76 at positions matching the slits 75, 75. Is provided. A stopper pin 77 inserted through the slits 75 of the cylindrical portion 71 is inserted into the through hole 76, and the guide shaft 72 is moved from a position where the tip plate 74 contacts the upper end of the cylindrical portion 71. The stopper pin 77 can be moved up and down until it comes into contact with the upper edges of the slits 75,75.
[0022]
As shown in FIG. 6, the base plate 73 of the cylindrical portion 71 is fixed to a lower plate 81 of the bellows 61, and a distal plate 74 of the guide shaft 72 is connected to an upper end of the bellows 61. It is fixed to a plate 82. Thereby, the bellows unit 54 is configured to be able to expand and contract in the vertical direction within the moving range of the guide shaft 72 of the stopper 62 according to the air pressure from the air nozzle 85 provided on the lower end plate 81. As shown in FIG. 2, the base body 12 can enter the lower part of the vehicle body 5 conveyed along the conveyance line 4, and the base body 12 Dimensions are set so as not to interfere with
[0023]
As shown in FIG. 5, the moving body 52 of the base main body 12 is provided with a skirt portion 91 whose tip is in contact with the floor 11 over the entire outer peripheral surface. A lower space 92 surrounded by the moving body 52, the skirt portion 91, and the floor 11 is formed. Further, the moving body 52 is provided with an air ejection device 96 as an air ejection portion formed with a plurality of air ejection holes 95 for ejecting the supplied air toward the floor 11. The pressure in the lower space 92 can be increased.
[0024]
Then, as shown in FIG. 1, the clamp cylinder 21 of the grip 17 (see FIG. 3), the nut runner 42 and the air cylinder of the fastening mechanism 41 are provided on the upper surface of the support body 53 in the base body 12. 43 (see FIG. 4), an air supply unit 101 for supplying air to each of the bellows units 54,... Of the base body 12 and the air ejection device 96 (see FIG. 5). The arm 13 has a grip operation lever 102 for adjusting air pressure applied to the clamp cylinder 21, a vertical movement operation lever 103 for adjusting air pressure applied to each of the bellows units 54,. A floating operation lever 104 for controlling the supply of air to the 96 is provided.
[0025]
In this embodiment according to the above configuration, as shown in FIG. 2, the dash module unit 3 mounted on the module subassembly table 2 is moved along the transport line 4 to the door opening 6 of the vehicle body 5. When the module unit is transported into the vehicle body 5, the module unit transport device 1 is moved to the module sub-assembly table 2. Then, by operating a vertical movement operation lever 103 provided on the arm 13, as shown in FIG. 5, a bellows unit 54 provided on the moving body 52 of the base body 12 and supporting the support 53 ,... To adjust the elevation of the support 53, and by operating the toggle handle 31 of the feed mechanism 32 provided in the positioning device 18 as shown in FIG. Then, the locating pin 34 at the tip of the reciprocating portion 33 is inserted into a locating hole provided in the dash module unit 3, and the gripping position of the dash module unit 3 by the grip 17 is determined. In this state, the grip operating lever 102 provided on the arm 13 is operated to operate the clamp cylinder 21 shown in FIG. 3, and the upper clamp 26 and the lower clamp 26 provided on the both arms 24 and 25 of the grip 17. 27 holds a predetermined position of the dash module unit 3.
[0026]
While maintaining this state, the floating operation lever 104 provided on the arm 13 is operated to control the supply of air to the air ejection device 96, and the air ejection holes 95,.・ ・ Air is blown out toward floor 1 from. Then, the pressure in the lower space 92 of the moving body 52 is increased, and the force in the floating direction is applied to the moving body 52 of the base body 12 by ejecting air toward the floor 11. As a result, the burden on the wheel casters 51 provided on the moving body 52 can be reduced, and the base body 12 can be moved smoothly.
[0027]
In this state, the base body 12 enters the lower part of the vehicle body 5 conveyed along the conveyance line 4, and the dash module unit 3 gripped by the arm 13 and the grip 17 of the arm 13 is After being inserted into the vehicle body 5 through the door opening 6 of the vehicle body 5, the floating operation lever 104 is operated to stop the force applied to the base body 12 in the floating direction. By operating the vertical movement operation lever 103, the air pressure to the bellows units 54,... Is adjusted, and the height position of the locate pin 34 of the dash module unit 3 gripped by the grip 17 is adjusted to the body 5 To the mounting position of the vehicle body 5 by inserting it into a locating hole (not shown).
[0028]
At this time, as shown in FIG. 6, the bellows unit 54 is constituted by a bellows 61 which can be extended and contracted up and down, and a stopper 62 which is provided in the bellows 61 and regulates the expansion and contraction width of the bellows unit 54. The expansion and contraction width is set to a size that allows the base body 12 to enter the lower part of the vehicle body 5 conveyed along the conveyance line 4 and that does not interfere with the vehicle body 5. ing. Thus, it is possible to prevent a problem caused by the interference of the base body 12 with the vehicle body 5 beforehand. Further, since the cylindrical portion 71 and the guide shaft 72 that constitute the stopper 62 can act as the core of the bellows 61, it is possible to prevent the bellows unit 54 from being carelessly tilted and shifted laterally. The base body 12 can be moved up and down in the vertical direction.
[0029]
Next, a mounting hole (not shown) provided in the dash module unit 3 is inserted into a weld bolt 47 (see FIG. 2) projecting from the vehicle body 5 to perform positioning. At this time, the bellows units 54,... That adjust the height position of the dash module unit 3 and support the support body 53 at the four corners are connected to each other by a connecting pipe (not shown), and then the air supply Because the bellows unit 54 is connected to the portion 101, for example, the bellows unit 54 arranged on the left side of the base body 12 is pressed downward, so that the bellows unit 54 arranged on the right side can be extended. Thereby, the dash module unit 3 gripped by the support body 53 and the grip 17 of the arm 13 can be inclined, so that fine adjustment at the time of positioning can be performed.
[0030]
In this state, the nut previously set in the socket 44 of the nut runner 42 of the fastening mechanism 41 is fastened to the weld bolt 47 inserted into the mounting hole of the dash module unit 3 to attach the dash module unit 3 to the vehicle body. Temporarily fix to 5. Then, the gripping state of the grip 17 is released, and the base body 12 is moved from a lower part of the vehicle body 5.
[0031]
As described above, the dash module unit 3 placed on the module subassembly table 2 is gripped by the grip 17 and is loaded into the vehicle body 5 through the door opening 6 of the vehicle body 5 transported along the transport line 4. At the same time, since it can be temporarily fixed to the vehicle body 5, a pair of rails must be provided along the transport line 4, and the guide rails must be movably supported on both rails. It is possible to reduce the size as compared with the conventional inevitable. Further, since it is unnecessary to install the rails and the guide rails in a factory, facility construction costs are also unnecessary.
[0032]
In the present embodiment, each bellows unit 54,... Is supported by a moving body 52 having wheel casters 51,. The module unit transfer device 1 provided with the skirt portion 91 and the air ejection device 96 for ejecting air into the lower space 92 of the moving body 52 has been described as an example, but as shown in FIG. Each of the bellows units 54,... May be provided with an air lifter 151,.
[0033]
That is, as shown in FIG. 9, the air lifter 151 closes a lifter main body 162 provided with a piping opening 161 on the side surface and an upper space 163 of the lifter main body 162, and And a bottom plate 166 that closes the air storage space 165 below the lifter main body 151. As shown in FIG. 10 (a), the bottom plate 166 is provided with a plurality of ejection holes 167 for ejecting the supplied air toward the floor 11, and each ejection hole 167 has: As shown in FIG. 10 (b), the configuration is such that the diameter decreases as going downward.
[0034]
Thereby, the production cost can be reduced as compared with the case where each bellows unit 54,... Is supported by the moving body 52 provided on the lower surface of the wheel casters 51,.
[0035]
【The invention's effect】
As described above, in the module unit transport device of the present invention, the module unit mounted on the vehicle body can be gripped by the grip of the base body movable on the floor, and the gripped module unit is It can be moved up and down by changing the input pressure to the bellows provided in the base body. Thus, the module unit placed at the predetermined position can be transported to the vehicle body transported along the transport line and can be temporarily fixed to the vehicle body.
[0036]
Therefore, a pair of rails must be provided along the transport line, and the guide rails must be movably supported on both rails. Can be planned. Further, since it is unnecessary to install the rails and the guide rails in a factory, facility construction costs are also eliminated.
[0037]
Further, since it is possible to regulate the stretch dimension of the upper front Symbol bellows, it is possible to limit the extension of the upward of the base body that enters the lower portion of the vehicle body. This makes it possible to prevent the base body from interfering with the vehicle body. Furthermore, since the cylindrical portion and the shaft can act as the core of the bellows, it is possible to prevent the bellows from inadvertently falling down and sideways, and to move the base body up and down in the vertical direction. Can be.
[0038]
Further, in the module unit transfer device according to the second aspect , when moving the base body, air is blown out to the lower space of the moving body of the base body by the air blowing part, and the pressure in the lower space is increased. A force can be applied to the base body in a floating direction. Thereby, the load on the casters provided on the moving body of the base body can be reduced, and the movement of the base body can be performed smoothly.
[0040]
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of the present invention.
FIG. 2 is an explanatory diagram showing a state in which the dash module is carried into a vehicle body through a door opening by the module unit transport device according to the embodiment;
FIG. 3 is an enlarged view showing a grip according to the embodiment.
FIG. 4 is an enlarged view showing the positioning device according to the embodiment.
FIG. 5 is a partial cross-sectional view showing the same embodiment.
FIG. 6 is a partial cross-sectional view showing the bellows unit according to the embodiment.
FIG. 7 is an exploded perspective view showing a stopper of the bellows unit in the embodiment.
FIG. 8 is a side view showing another embodiment of the present invention.
FIG. 9 is a cross-sectional view showing the air lifter according to the embodiment.
10A is a plan view illustrating a bottom plate of the air lifter, and FIG. 10B is a cross-sectional view illustrating the bottom plate.
FIG. 11 is a perspective view showing a conventional module transport device.
[Explanation of symbols]
1 Module Unit Transport Device 3 Dash Module Unit 5 Body 6 Door Opening 11 Floor 12 Base Body 13 Arm 17 Grip 18 Positioning Device 34 Locate Pin (Positioning Means)
41 fastening mechanism 42 nut runner 47 weld bolt (fastening bolt)
51 Wheel caster 52 Moving body 53 Supporting body 54 Bellows unit 61 Bellows 62 Stopper 71 Tube section 72 Guide shaft 91 Skirt section 92 Lower space 95 Air discharge hole 96 Air ejection device (air ejection section)
151 air lifter 167 spout hole

Claims (2)

In a module unit transport device that loads a module unit mounted on a vehicle body from a door opening of the vehicle body that is transported along a transport line,
A base body which is composed of a movable body and a support which is supported by the movable body via a bellows which expands and contracts in accordance with an input pressure, and which is vertically moved into the lower part of the vehicle body transported along the transport line When,
An arm that is erected on the support of the base body and inserted into the vehicle body through the door opening in a state where the base body has entered a lower part of the vehicle body;
A grip provided on the arm and gripping the module unit;
Positioning means for positioning a gripping position of the module unit and a mounting position on the vehicle body when the module unit is gripped by the grip;
Equipped with a,
The bellows is provided at the center with a stopper formed of a cylindrical portion extending in the up-down direction and a shaft which is vertically fitted inside the cylindrical portion so as to be vertically movable and whose amount of protrusion from the cylindrical portion is regulated,
A module unit transport device , wherein a base end of the cylindrical portion is fixed to one end of the bellows, and a distal end of the shaft is fixed to the other end of the bellows . 2. The module unit transport device according to claim 1, wherein an air ejection unit that ejects air to a lower space of the moving body to increase a pressure in the lower space is provided on the moving body of the base body. .

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