JP5640069B2 - General-purpose receiving jig - Google Patents

Description

  The present invention relates to a general-purpose receiving jig used for fixing a workpiece such as an engine or a vehicle body and assembling other members to the workpiece.

  As a sequence of assembling a motorcycle, there are generally a method in which an engine is fixed to a work receiving pallet, another member is assembled to the fixed engine, and a vehicle body is fixed to a jig, and another member is assembled to the fixed vehicle body. Has been done.

  Here, since the shapes of the engine and the vehicle body vary greatly depending on the model, a certain degree of versatility is required for a jig for fixing the engine and the vehicle body. Patent documents 1-4 are proposed as such prior art.

  In Patent Document 1, a pallet is suspended from both sides of a base via a support shaft so that the pallet can rotate freely, and the pallet is rotated through the support shaft to be in a horizontal posture. An engine mounting jig that is provided and adapted for different models is disclosed.

  Patent Document 2 discloses a receiving jig including a plurality of pins that can be moved up and down and whose lower portion is supported by a biasing member. In this receiving jig, when a work is mounted on the upper part of the pin, each pin is pushed down in a state following the shape of the lower surface of the work, and when the stopper plate is lowered in this state, a retainer that is pressed downward by a pressing member is also provided. The steel ball descends, engages with the tapered surface of the cylindrical member, protrudes inward, enters into the concave groove on the outer surface of the pin, and locks.

  Patent Document 3 discloses a motorcycle assembling apparatus in which a fixing member for positioning a vehicle body frame is provided at the center of a moving base, a mounting table for an engine is provided in front of the fixing member, and an adjustment mechanism is arranged behind the fixing member. Is disclosed.

  In Patent Document 4, a prism is rotatably supported on a support arm standing on a support frame of an engine, and a support is arranged on an assembly line in which a support portion for receiving a lower part of an engine for each model is attached to each surface of the prism. An apparatus is disclosed.

Japanese Patent Laid-Open No. 04-008434 JP 2005-147212 A Japanese Patent Laid-Open No. 02-083126 Japanese Utility Model Publication No. 07-017439

  According to Patent Document 1, it is possible to support two models, and in order to support more models, a plate member provided with another engine mounting portion must be pulled out from the storage unit and set each time. The replacement work takes time, and only 4 models can be supported at the maximum.

  According to Patent Document 2, since each pin is pushed down in a state of following the shape of the lower surface of the workpiece, it is possible to cope with workpieces of any shape, but the jig itself is heavy and expensive. End up.

  The devices disclosed in Patent Documents 3 and 4 can deal with a certain number of models, but cannot deal with all models.

In order to solve the above-mentioned problems, the present invention provides a general-purpose receiving jig in which different work receiving pallets are rotatably suspended on both sides of a base that moves along a transfer line via a support shaft, the different work receiving pallets. One of the workpiece receiving pallets has first to third three receiving platforms, and the first and second receiving platforms facing each other are adjustable on the pallet surface with respect to the lateral direction. The cradle can be adjusted in the height direction, and the first and second cradles are provided with vertical guide grooves, and holes corresponding to the type of workpiece are formed on the top surface of the pallet overlapping the guide grooves. A positioning plate is provided, and a lateral position of the first and second cradles is adjusted by inserting a plunger movable along the guide groove into the hole of the positioning plate.

According to the present invention, a single pallet can support a plurality of models with a simple mechanism. Also, the work can be set and taken out from the pallet in a short time.

Overall perspective view of a general purpose receiving jig according to the present invention The perspective view of the workpiece receiving pallet which comprises the general purpose receiving jig which concerns on this invention Perspective view showing the adjustable range of the workpiece receiving pallet (A) And (b) is a figure explaining the height adjustment mechanism of a cradle. The perspective view which shows another Example of a workpiece receiving pallet FIG. 5 is an enlarged plan view of the main part of FIG.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
A general-purpose receiving jig 1 for placing and transporting a work such as an engine is fixed on a belt conveyor 2 and moves as the belt conveyor 2 travels.

  The general-purpose receiving jig 1 has a receiving plate 4 on a rotatable vertical shaft 3, and a workpiece receiving pallet 10 according to the present invention is rotatably suspended on one side of the receiving plate 4 via a shaft 5. Another workpiece receiving pallet 50 is drooping freely on the side via a shaft 6.

  The workpiece receiving pallet 10 includes first to fourth four receiving platforms 11, 12, 13, and 14. The first and second receiving trays 11 and 12 are arranged adjacent to each other, the third receiving tray 13 is provided on the opposite side of the second receiving tray 12, and the fourth receiving tray 14 is the first receiving base. Is provided on the side facing the cradle 11.

  The first receiving base 11 is provided with a workpiece mounting portion 17 on a plate 15 via a height adjusting mechanism 16, and the plate 15 is supported movably on a guide rail 18 in a lateral direction (X direction). The lateral guide rail 18 is movably supported by a longitudinal (Y direction) guide rail 19.

  The second cradle 12 is provided with a workpiece mounting portion 22 on a plate 20 via a height adjusting mechanism 21, and the plate 20 is movably supported by a guide rail 23 in a vertical direction (Y direction). The guide rail 23 in the direction is supported by the guide rail 24 in the lateral direction (X direction) so as to be movable.

  The position of the third cradle 13 cannot be adjusted in the horizontal direction and the vertical direction, and a work placement unit 26 is provided via a height adjustment mechanism 25. Further, the fourth cradle 14 is fixed in any of the horizontal direction, the vertical direction, and the height direction.

  By moving the workpiece mounting portion 17 of the first receiving tray 11 along the guide rails 18 and 19, and moving the workpiece mounting portion 22 of the second receiving tray 12 along the guide rails 23 and 24. As shown in FIG. 3, a plurality of models can be supported.

Since the height adjusting mechanisms 16, 21, and 25 have the same structure, the structure of the height adjusting mechanism 16 will be described with reference to FIGS. 2, 4A, and 4B.
The height adjusting mechanism 16 is provided with an air cylinder unit 30 on a plate 15, and the air cylinder unit 30 has an elevating plate 31. The elevating plate 31 has a large diameter in the upper half and a small diameter in the lower half. A hole 32 is formed, and a cylindrical body 33 is inserted into the small-diameter through hole 32. A rod 34 is accommodated in the cylindrical body 33 in a state of being biased upward by a spring or the like. A work placement unit 17 is attached.

  A plurality of circumferential grooves 35 are formed in the rod 34, while an opening 37 for holding a steel ball 36 is formed in the cylindrical body 33.

  As shown in FIG. 4A, when the lifting plate 31 is lowered by the air cylinder unit 30, the small diameter portion of the through hole 32 is located below the opening 37 of the cylindrical body 33. The ball 36 comes out of the circumferential groove 35 of the rod 34, and the rod 34 is moved upward by the spring force of the spring.

  From the above state, the workpiece placement unit 17 is pushed in according to the model against the spring, and when the height reaches a predetermined height, the air cylinder unit 30 raises the lifting plate 31. Then, as shown in FIG. 4B, the steel ball 36 is pushed inward by the inner surface of the small diameter portion of the through hole 32, and engages with the circumferential groove 35 of the rod 34. The height position of 17) is fixed.

  FIG. 5 is a perspective view showing another embodiment (second invention) of the workpiece receiving pallet, and FIG. 6 is an enlarged plan view of the main part of FIG. The work receiving pallet 50 has first to third three receiving stands 51, 52, and 53. The first and second cradles 51 and 52 are arranged to face each other, and the third cradle 53 is provided on a side adjacent to the first and second cradles 51 and 52.

  Of the cradle, the height of the third cradle 53 can be adjusted, and the lateral positions of the first and second cradles 51 and 52 can be adjusted according to the model.

  In the first cradle 51, the plate 54 is slidably engaged with the rails 55, 56 in the horizontal direction, and workpiece mounting portions 57, 58 are mounted on the plate 54 so as to be separated from each other in the vertical direction. A guide member 59 is attached between the placing portions 57 and 58, and a vertical guide hole 60 is formed in the guide member 59. An opening is formed in the plate 54 corresponding to the guide hole 60.

  A plunger 61 is slidably inserted in the guide hole 60 of the guide member 59, and a mark (display) 62 for positioning the plunger 61 for each model is formed on one side of the guide member 59.

  On the other hand, a positioning plate 63 is fixed to the upper surface of the work receiving pallet 50 below the guide member 59. A positioning hole 64 into which the tip of the plunger 61 can be inserted is formed in the plate 63 for each model.

  That is, the plunger 61 is moved along the guide hole 60 of the guide member 59 to the position of the display mark 62 of the target model, and in this state, the plate 54 is moved along the rails 55 and 56, When the positioning hole 64 matches, the lower end of the plunger 61 is inserted into the positioning hole 64, whereby the first cradle 51 is fixed at a position corresponding to the model.

  Since the second cradle 52 has the same configuration as the first cradle 51, the second cradle 52 is placed at a position corresponding to the model by inserting the plunger 61 into the positioning hole 64 corresponding to the model. Fixed.

  When the general-purpose receiving jig according to the present invention is used, for example, in a line for assembling a vehicle body on an engine, the efficiency is greatly improved.

DESCRIPTION OF SYMBOLS 1 ... General-purpose receiving jig, 2 ... Belt conveyor, 3 ... Vertical axis | shaft, 4 ... Receiving plate 5, 6 ... Axis 10, 50 ... Work receiving pallet, 11 ... 1st receiving stand, 12 ... 2nd receiving Table, 13 ... 3rd cradle, 14 ... 4th cradle, 15 ... Plate, 16 ... Height adjustment mechanism, 17 ... Work placement part, 18 ... Transverse guide rail (X direction), 19 ... Guide rail in the vertical direction (Y direction), 20... Plate, 21... Height adjustment mechanism, 22... Work placement unit, 23... Guide rail in the vertical direction (Y direction), 24. Rail, 25 ... Height adjustment mechanism, 26 ... Work placement part, 30 ... Air cylinder unit, 31 ... Elevating plate, 32 ... Through hole, 33 ... Cylindrical body, 34 ... Rod, 35 ... Circumferential groove, 36 ... Steel Ball, 37 ... opening, 51 ... first cradle, 52 ... second Stand, 53 ... first cradle, 54 ... plate, 55, 56 ... lateral rail, 57, 58 ... work placement section, 59 ... guide member, 60 ... guide hole, 61 ... plunger, 62 ... mark ( Display), 63 ... positioning plate, 64 positioning holes.

Claims (1)

In a general-purpose receiving jig in which different work receiving pallets are rotatably suspended via support shafts on both sides of a base that moves along the transfer line, one of the different work receiving pallets is a first to a second work receiving pallet. The third cradle has a third cradle, the first and second cradles facing each other are adjustable in the lateral direction on the pallet surface, and the third cradle is adjustable in the height direction. The first and second cradles are provided with longitudinal guide grooves, and a positioning plate having holes corresponding to the type of workpiece is provided on the pallet upper surface overlapping the guide grooves, and the guide grooves are provided in the guide grooves. A general-purpose receiving jig characterized by adjusting a lateral position of the first and second receiving bases by inserting a plunger movable along the positioning plate into a hole of the positioning plate .

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