JPH0516725U - Vehicle transfer device - Google Patents

Abstract

(57) [Summary] [Object] When a vehicle body is transferred from the first transport mechanism to the second transport mechanism via a transfer device, the vehicle body is positioned and transferred to the second transport mechanism. [Configuration] body from the first transport mechanism consisting of an overhead conveyor through the first elevating mechanism below the carriage 25 B _S
When handing over, the tunnel portion 7 formed on the lower surface of the vehicle body B _S
3 engages with the left and right guide rollers 71 provided on the upper surface of the carriage 25, and positions the vehicle body B _S in the left and right direction. Further, the vehicle body B _S is supported by a pair of left and right receiving members 77 provided on the carriage 25 with its side sill portions 76. The vehicle body B _S positioned on the dolly 25 is passed through the second elevating mechanism to the second transport mechanism including an overhead conveyor above without being displaced. The tunnel portion 73
Instead of this, the lower arm connecting portion of the suspension assembly of the vehicle body may be positioned by a guide member provided on the carriage 25.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention transfers a vehicle carried in by a first transport mechanism to a lower carriage by a first lift mechanism, and transfers a vehicle on the carriage to a second transport mechanism above by a second lift mechanism. Regarding the device.

[0002]

[Prior Art]

 BACKGROUND ART Conventionally, a transfer device for transferring a vehicle from a lower transfer mechanism to a lower transfer mechanism while positioning the vehicle on the lower transfer mechanism is known from Japanese Utility Model Laid-Open No. 2-10310. is there.

This transfer device temporarily transfers a vehicle from a good carrier mechanism onto a floating table, presses front and rear panel members of the vehicle to position the vehicle in the front-rear direction, and Since the side sill is pressed to perform lateral positioning, the vehicle can be precisely positioned and transferred from the floating table to the lower transport mechanism.

[0004]

[Problems to be solved by the device]

 By the way, the above-mentioned conventional vehicle transfer device is capable of precise positioning, so it is extremely effective in the case of assembly of parts using a lot of automatic machines in a lower transfer mechanism, but it is very effective in manual parts. When most of the assembly is done, the positioning accuracy becomes excessive and there is a problem that the equipment cost is too high.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a vehicle transfer device capable of positioning a vehicle with respect to a lower transport mechanism with a simple structure.

[0006]

Means for Solving the Problems In order to achieve the above object, the present invention provides a vehicle, which is carried in by a first transport mechanism, to a lower carriage by a first lifting mechanism, and a vehicle on the carriage is (2) A transfer device for a vehicle that is carried out by an elevating mechanism to an upper second transport mechanism, and is a positioning member that is supported by the first elevating mechanism and is engageable with an uneven portion formed on the lower surface of the vehicle that descends. Is provided on the upper surface of the dolly.

[0007]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, the transfer device T of this embodiment includes a first transport mechanism C _{1 including an} overhead conveyor connected to a good coating process and an overhead conveyor connected to a lower vehicle assembly process. It comprising second provided between the transport mechanism C _2, configured to pass while positioning the vehicle body from the first transport hanger transport mechanism C ₁ to the second conveyor hanger transport mechanism C ₂ in the lateral direction (vehicle width direction) To be done.

The vehicle assembly process is a van type vehicle body B._VAnd sports car type body B_SAnd are mixedly produced while randomly flowing, and the first transport mechanism C₁And the second transport mechanism C₂Is the first transport hanger H₁And the second transport hanger H₂It is equipped with two types of transport hangers. That is, as shown in FIGS. 2 and 3, a van type vehicle body B_VIs the first transport hanger H₁As shown in FIGS. 4 and 5, the sports car type vehicle body B is mounted on the vehicle and transported._SIs the first transfer hanger H₁2nd transport hanger H whose shape is slightly different from₂It is mounted on and transported. The first and second transport hangers H₁, H₂Has the same upper structure, and is hung and supported by a roller 2 engaged with a guide rail 1 and a roller 4 engaged with a swing rail 3 and is trolleyed by a chain (not shown) for traveling. Equipped with. However, it is provided at the lower part of the carriage 5 so as to be openable and closable, and the receiving member 6₁, 6₂A pair of left and right hanger frames 7₁, 7 ₂ Is a van type car body B_VAnd sports car type body B_SThe first transfer hanger H according to the difference in shape₁And the second transport hanger H₂And are formed differently.

The first transport mechanism C ₁ is provided with a model confirmation mechanism D for confirming the models of the vehicle bodies B _V and B _S mounted on the first and second transport hangers H ₁ and H ₂ . As shown in FIG. 2, the model confirming mechanism includes two photoelectric switches 11 and 12, and when the photoelectric switch 11 detects a part of the first and second transport hangers H ₁ and H ₂ , the photoelectric switch 12 detects the vehicle body. Is detected, it is determined to be the van type vehicle body B _V , and if the photoelectric switch 12 does not detect the vehicle body, it is determined to be the sports vehicle type vehicle body B _S.

Next, the overall structure of the transfer device T will be described with reference to FIGS. 6 and 7. The transfer device T is provided at a position where the first and second transfer mechanisms C ₁ and C ₂ are aligned on a straight line. The transfer device T is a pair of left and right supported on a base 21 on the floor via a plurality of columns 22. It is equipped with a running rail 23. A carriage 25 is movably supported on the traveling rail 23 via a plurality of rollers 24, and a positioning mechanism, which will be described later, is provided on the upper surface of the carriage 25 to support the vehicles B _V and B _S in a positioned state. A chain 28 guided by a chain guide 27 provided in the center of the traveling rail 23 is wound around a drive sprocket 29 and a driven sprocket 30 and is attached to both front and rear ends of the carriage 25. Therefore, when the drive sprocket 29 is rotated by the motor 31, the carriage 25 is reciprocally driven along the traveling rail 23.

At both ends of the traveling rail 23, the first transport mechanism C is provided.₁From dolly 25 to body B_V, B _S The first elevating mechanism 32 for delivering and receiving, and the second transport mechanism C from the carriage 25.₂To car body B_V, B_SA second elevating mechanism 33 for delivering and receiving is provided. Since both lifting mechanisms 32 and 33 have the same structure, the structure of the first lifting mechanism 32 will be described. Two guide rails 35 are provided on each of a pair of columns 34 standing on both sides of the traveling rail 23, and a pair of lifts 37 are supported on the guide rails 35 via slide guides 36. Two chains 40 are wound around two driving sprockets 38 provided on the upper part of the column 34 and two driven sprockets 39 provided on the lower part, and both ends of the chain 40 are attached to the lifting table 37. To be done. Further, an endless chain 42 is wound around a pair of interlocking sprockets 41 integrally provided with the left and right drive sprockets 38, and one of the drive sprockets 38 is connected to a motor 43. Therefore, when the motor 43 is driven, the left and right lifts 37 are moved up and down in synchronization with each other via the chains 42 and 40 along the columns 34. A plurality of receivers 44 are provided on the pair of lifts 37 so as to face each other._V, B_SSupporting the first transport mechanism C₁First and second transport hangers H₁, H₂To the carriage 25 or from the carriage 25 to the second transport mechanism C₂First and second transport hangers H₁, H₂To car body B_V , B_SCan be reprinted.

Next, the structure of the positioning mechanism provided on the carriage 25 will be described in detail with reference to FIGS. 8 to 12. As shown in FIGS. 8 to 10, the frame of the carriage 25 is formed by connecting a pair of left and right vertical frames 51 and a pair of front and rear horizontal frames 52 in a rectangular shape, and the middle portion of the vertical frame 51 is divided into six cross beams. 53 to 58 are connected to each other. At the upper end of a base 59 standing upright at both left and right ends of the cross beam 54, a lower arm connecting portion 60 of the suspension assembly as a concavo-convex portion symmetrically provided in the center of the lower surface front part of the van type vehicle body B _V is provided. In order to perform positioning, a pair of left and right guide members 61 as positioning members are mounted. The guide member 61 is an L-shaped member in a front view, which is provided so as to face each other, and an inclined surface 61 ₁ whose upper end expands outward is formed at the upper part thereof, and the lower arm has the lower arm at the lower part thereof. A support surface 61 ₂ that supports the connecting portion 60 is formed (see FIG. 10). A pair of guide rollers 64 and 65 are provided on the central upper surfaces of the two cross beams 53 and 55 located in front of and behind the cross beam 54 on which the guide member 61 is mounted, via bases 62 and 63, respectively. The pair of guide rollers 64 and 65 are located in front of and behind the intermediate portion of the lower arm connecting portion 60, and function to roughly position the van type vehicle body B _V in the front-rear direction (see FIG. 8). Also the upper end of the pair of left and right posts 66 provided upright on the rear end portion of the carriage 25, the receiving member 68 to the receiving the upper surface of the wheel house 67 of the rear wheel of the van type of vehicle body B _V from below is provided.

As shown in FIGS. 9, 11, and 12, a pair of guide rollers 71 as positioning members are provided on the upper surfaces of bases 69 and 70 provided at the centers of the two cross beams 56 and 58, respectively. , 72 are provided so as to be separated from each other in the left-right direction by a predetermined distance. A pair of front guide rollers 71 are formed on the lower surface of a sports car type vehicle body B _S in the front-rear direction and abut on the front portion of a tunnel portion 73 as an uneven portion for accommodating a water hose and brake pipe, The pair of guide rollers 72 contact the rear portion of the tunnel portion 71 to position the sports car type vehicle body B _S in the left-right direction. Further, a pair of bases 74 and 75 provided in front and rear of the left and right vertical frames 51 are provided with a pair of receiving members 77 and 78 for supporting the side sill portion 76 of the body B _S of the sports vehicle type. .. Both receiving members 77, 78 are L-shaped when viewed from the front, and are provided with inclined surfaces 77 ₁ , 78 ₁ for guiding the side sill portion 76, and supporting surfaces 77 ₂ , 7 8 ₂ for supporting the side sill portion 76 (Fig. 12).

Next, the operation of the embodiment of the present invention having the above-mentioned configuration will be described.

When two types of vehicle bodies B _V and B _S that have finished the coating process are mounted on the first and second transport hangers H ₁ and H ₂ of the first transport mechanism C ₁ and reach the model confirmation mechanism D, 2 The model is confirmed by the operation of the photoelectric switches 11 and 12. Upon receiving the model information from the model confirming mechanism D, the second transport mechanism C ₂ transfers either _{one of} the first and second transport hangers H ₁ and H ₂ via a transport hanger carry-out control means (not shown). Supply to T. That is, when the first transfer hanger H _{1 of} the first transfer mechanism C ₁ having the van type vehicle body B _V is loaded at the position of the first lifting mechanism 32 of the transfer device T, the transfer device T The first transport hanger H ₁ of the second transport mechanism C ₂ is carried into the position of the second elevator mechanism 33, and the sports car type vehicle body B _S is mounted in the position of the first lift mechanism 32 of the transfer device T 1. when the conveyor second transport hanger of H ₂ configuration C ₁ is carried into the second transport hanger of H ₂ second conveying mechanism C ₂ is carried into the position of the second elevating mechanism 33 of the transfer device T .. The transfer device T transfers the vehicle bodies B _V and B _S between the _first and second transfer hangers H ₁ and H ₂ of the first and second transfer mechanisms C ₁ and C ₂ as follows. ..

For example, when the van type vehicle body B _V is transferred, the lift table 37 of the first lift mechanism 32 of the transfer device T is raised in FIG. _The vehicle body B _V supported by the hanger frame 7 ₁ of the first transport hanger H ₁ of ₁ is received. When the first transport hanger H ₁ is detached, the lifting platform 37 is lowered to transfer the van type vehicle body B _V to the truck 25, the truck 25 is moved to the position of the second lifting mechanism 33, and the second lifting mechanism is moved. The lifting table 37 of 33 is raised. At this time, the hanger frame 7 ₁ of the first transport hanger H ₁ of the second transport mechanism C ₂ is in the open position, and the hanger frame 7 ₁ is closed when the elevating table 37 moves up to a predetermined position. When the lift table 37 is lowered from this state, the van type vehicle body B _V is transferred from the lift table 37 to the first transfer hanger H ₁ of the second transfer mechanism C _{2 in} a correctly positioned state.

Now, the van type vehicle body B is transferred from the lifting platform 37 of the first lifting mechanism 32 to the carriage 25. _V When handing over, as shown in FIGS. 8 to 10, a van type vehicle body B_VThe lower arm connecting portion 60 provided on the lower surface of the front part of the ₁ After being guided to and positioned in the left-right direction, the support surface 61₂Placed on. At this time, the space between the left and right lower arm connecting portions 60 is sandwiched between the pair of front and rear guide rollers 64, 65 and roughly positioned in the front-rear direction, thereby preventing the lower arm connecting portion 60 from coming off the guide member 61. ing. At the same time, a van type vehicle B_VThe upper surface of the hall house 67 is supported by a receiving member 68 provided at the rear end of the truck 25. In this way, a van type car body B_VThe rear part of the second transport mechanism C is supported only by the receiving member 68 and is not specially positioned.₂First transport hanger H₁Does not cause any particular problem because it supports and conveys the upper surface of the wheel house 67 having a relatively large area.

On the other hand, when the sports car type vehicle body B _S is transferred to the carriage 25 by lowering the lifting platform 37 of the first lifting mechanism 32, as shown in FIGS. The tunnel portion 73 formed on the lower surface of the vehicle body B _S is correctly positioned in the left and right direction by the pair of front and rear guide rollers 71 and 72, and the side sill portion 76 is inclined between the pair of front and rear receiving members 77 and 78. The surfaces 77 ₁ and 78 ₁ are guided and supported by the support surfaces 77 ₂ and 78 ₂ .

As described above, the van type vehicle body B _V is positioned in the left-right direction by the guide member 61 provided on the carriage 25, and the sports vehicle type vehicle body B _S is positioned by the guide rollers 71, 72 provided in the carriage 25 in the left-right direction. Therefore, the vehicle bodies B _V and B _S can be mounted from the carriage 25 to the correct positions of the first and second transport hangers H ₁ and H ₂ of the second transport mechanism C ₂ .

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above embodiments, and various modifications can be made without departing from the present invention described in the scope of claims for utility model registration. It is possible to make small design changes.

For example, the concavo-convex portions on the lower surfaces of the vehicle bodies B _V and B _S are not limited to the lower arm connecting portion 60 and the tunnel portion 73 of the suspension assembly of the embodiment, and other appropriate portions can be used.

[0023]

[Effect of the device]

 As described above, according to the present invention, the positioning member that can be engaged with the uneven portion formed on the lower surface of the vehicle is provided on the upper surface of the trolley, so that when the vehicle is placed on the trolley, When the vehicle on the trolley is transferred to the second transport mechanism, it is possible to reliably prevent the displacement of the vehicle when the vehicle on the trolley is transferred to the second transport mechanism. Moreover, the positioning of the vehicle is achieved by a simple structure in which a positioning member is provided on the upper surface of the carriage, which is extremely economical.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a transfer device.

FIG. 2 is a side view of a first transfer hanger equipped with a van type vehicle body.

3 is a three-direction arrow view of FIG.

FIG. 4 is a side view of a second transport hanger equipped with a sports car type vehicle body.

5 is a view in the direction of arrow 5 in FIG.

6 is a view in the direction of arrow 6 in FIG.

7 is a view in the direction of arrow 7 in FIG. 6;

FIG. 8 is an overall side view of a dolly equipped with a van type vehicle body.

9 is a view taken in the direction of arrow 9 in FIG.

10 is a view in the direction of arrow 10 in FIG.

[Fig. 11] Overall side view of a bogie equipped with a sports car type vehicle body

12 is a sectional view taken along line 12-12 of FIG.

[Explanation of symbols]

25 ... ・ Truck 32 ... 1st lifting mechanism 33 ... 2nd lifting mechanism 60 ... Lower arm connecting part (uneven part) 61 ... Guide member (positioning member) 71 ... · guide rollers (positioning member) 72 ... guide roller (positioning member) 73 ... tunnel portion (uneven portion) B _V · · · · · van type vehicle (vehicle) B _S ...・ Sports car type vehicle body (vehicle) C ₁ …… First transport mechanism C ₂ …… Second transport mechanism

Claims (1)

[Scope of utility model registration request] 1. A vehicle (B _V , B _S ) carried in by a first transport mechanism (C ₁ ) is transferred by a first lift mechanism (32) onto a truck (25) below and on the truck (25). Of the vehicle (B _V , B _S ) of the second lifting mechanism (23) to the upper second transport mechanism (C ₂ ), which is supported by the first lifting mechanism (32). The concave and convex portions (60, 7) formed on the lower surface of the vehicle (B _V , B _S ) being lowered by
A transfer device for a vehicle, comprising a positioning member (61, 71, 72) engageable with 3) provided on the upper surface of the carriage (25).