JPH1124551A - Training method for screwing-in operation and training device for screwing-in operation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the training device which gives an efficient training of screwing-in operation. SOLUTION: The assembly A having a substrate 13, internal plates 14 to 17, and an external plate 18 put one over another is fixed to a base 11 fitted to a conveyor. Through holes 131 to 134 and 181 to 184 are bored in the substrate 13 and external plate 18 and screw holes 141 to 171 of various size are formed in the internal plates 14 to 17 so that they are aligned with the said through holes. An operator while moving together with the conveyor has a training of screwing bolts B in the screw holes 141 to 171 with a tool such as a nut runner. A training of screwing tapping screws S in a synthetic resin plate 22 can be given by fitting the synthetic resin plate 22 to the base 11 instead of the assembly A.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a training device for a screw fastening operation for training a fastening operation of a bolt or a tapping screw.

[0002]

2. Description of the Related Art In an automobile assembly line, a worker performs an operation of assembling various parts on an automobile body conveyed by a conveyor. FIG. 5 (A) shows the assembly structure of the parts by bolts, to position the component 03 on the surface of the automobile body 02 is welded nut 01 on the rear surface is provided, the through-hole parts 03 03 ₁ and automobile body 02 Through hole 0
By screwing in the weld nut 01 with a bolt 04 passing through the 2 ₁ a tool such as a nut runner, so as to fasten the component 03 on a vehicle body 02.
FIG. 5B shows an assembly structure of parts using a tapping screw.
Through hole 02 of the legs 05 _1, 05 ₁ automobile body 02
₁ and the base portion 05 of the clip nut 05
Part ₂ is superimposed on ₂ and tapping screw 06
Into the clip nut 05 with a tool through the through hole 02 ₁ of the component 02,
With it fastened to the car body 02 of the legs _{05, 05} and expanded, so as to fasten the parts 03 to the automobile body 02 through the clip nut 05.

[0003]

The work of fastening parts to the vehicle body flowing through the assembly line of the vehicle must be completed within a short time set in advance, and if a trouble occurs, it must be completed immediately. If not addressed, it will affect the flow of the entire line, so sufficient training of workers is required. Therefore, conventionally, a skilled person attends and trains a beginner on an assembly line in which an automobile body actually flows. However, there is a problem that defective assembly of parts and delay of work are likely to occur.

[0004] The present invention has been made in view of the above circumstances, and has as its object to provide a training apparatus capable of efficiently performing training of a screw fastening operation.

[0005]

In order to achieve the above object, a method for training a screw fastening operation according to claim 1 is provided.
A training device having a dummy screw hole into which a bolt for attaching a component to a work can be screwed is attached to a conveyor for transporting the work, and the bolt is screwed into the dummy screw hole while moving the training device on the conveyor. It is characterized by conducting training to enter.

[0006] According to the above configuration, the worker performs the operation of screwing the bolt into the dummy screw hole of the training device while moving the conveyor together with the conveyor, so that an efficient training can be performed in an environment close to the actual bolt fastening operation. It can be performed.

According to a second aspect of the present invention, there is provided a training method for a screw fastening operation, wherein a training apparatus having a dummy clip nut into which a tapping screw for attaching a part to a work is screwed is attached to a conveyor for conveying the work. The training is performed by screwing the tapping screw into the dummy clip nut while moving the training device on a conveyor.

[0008] According to the above configuration, the worker performs the work of screwing the tapping screw into the dummy clip nut of the training device while moving the same together with the conveyor,
Efficient training can be performed in an environment close to the actual tapping screw fastening operation.

According to a third aspect of the present invention, there is provided a training apparatus for a screw fastening operation, wherein an outer plate having a plurality of through holes formed thereon and a position corresponding to the through holes removably superimposed on the back surface of the outer plate. And an inner plate in which a screw hole is formed.

[0010] According to the above configuration, the operator performs the work of inserting a bolt through the through hole of the outer plate and screwing the bolt into the bolt hole of the inner plate, thereby simulating the work of actually attaching parts to the work. Can be repeated.

According to a fourth aspect of the present invention, in addition to the configuration of the third aspect, the through holes of the outer plate are formed in a plurality of rows, and the through holes of the respective rows correspond to the through holes of the respective rows. And a plurality of inner plates having screw holes formed in a row.

According to the above configuration, when the screw hole of the inner plate is worn out, only the inner plate can be replaced, which is economical.

According to a fifth aspect of the present invention, in addition to the configuration of the fourth aspect, the diameter of the through hole of the outer plate is uniform for each row, and the screw of the inner plate is provided. The diameter of the hole is unified for each inner plate.

According to the above configuration, when the screw hole of the inner plate is worn out, the inner plate can be used repeatedly by expanding the diameter of the worn screw hole to form a new screw hole. .

According to a sixth aspect of the present invention, in addition to the configuration of the third aspect, in addition to the configuration of the third aspect, a bolt is screwed into at least one of the through hole of the outer plate and the screw hole of the inner plate. It is characterized by the reproduction of the obstruction.

According to the above configuration, training can be efficiently performed when there is a defect in the through hole of the outer plate or the screw hole of the inner plate.

According to a seventh aspect of the present invention, in addition to the configuration of the third aspect, the training apparatus for screw fastening operation further includes a rectangular parallelepiped base, and the superposed outer plate and inner plate are attached to the base. Characterized in that it can be attached to at least two surfaces.

According to the above configuration, training of bolt fastening work from different directions can be performed simultaneously.

According to a further aspect of the present invention, there is provided a training apparatus for screw fastening operation, wherein a synthetic resin plate having a hardness capable of screwing a tapping screw into at least one surface of the base is provided. It is characterized by being attached.

According to the above configuration, in addition to the training of the bolt fastening operation, the training of the tapping screw fastening operation can be performed.

According to a ninth aspect of the present invention, in addition to the configuration of the third aspect, the training apparatus of the screw fastening operation further includes a through-hole at a position corresponding to the screw hole so as to be detachably superimposed on the back surface of the inner plate. And a substrate on which is formed.

According to the above construction, even if a long bolt that penetrates the screw hole of the inner plate is screwed, the tip of the bolt is prevented from being released into the through hole of the substrate to prevent interference with other members. Can be.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described based on embodiments of the present invention shown in the accompanying drawings.

FIGS. 1 to 3 show a first embodiment of the present invention. FIG. 1 shows a state in which a training apparatus is mounted on a truck conveyor of an automobile assembly line, and FIG. 2 is an exploded perspective view of the training apparatus. FIG. 3 is a diagram showing an abnormal state of the screw hole.

[0025] Figure 1 shows a trolley conveyer C ₁ for conveying the automobile body V in automotive assembly line. Carriage conveyor C ₁ includes a carriage 2 which runs along a pair of rails 1,1 laid on the floor, a total of four body support member at both ends of the pair of support arms 3, 4 before and after the bogie 2 5 are provided. The vehicle body V, which is usually indicated by a chain line, has a side sill portion formed by the four body support members 5.
The training device T is attached to any of the body support members 5 (in FIG. 1, the two rear body support members 5 in FIG. 1) during training.

Next, the structure of the training apparatus T will be described with reference to FIG.

The training apparatus T has a substantially rectangular parallelepiped base 11 having only one surface opened, and four bolt holes 11 ₁ ... Are formed on five surfaces of the base 11, respectively. Base 1
1 is fixed to the body supporting member 5 with four bolts 12 penetrating the four bolt holes 11 ₁ ... While one of the surfaces is in contact with the body supporting member 5 of the carriage 2. Base 1
One substrate 13, four inner plates 14 to 17, and one outer plate 18 are overlaid on one of the remaining four surfaces (the upper surface in FIG. 2) of the substrate 1. Bolt holes 11 ₁
... and four bolts 19 ... and four nuts 20
Are fixed to the base 11, and the outer plate 18 and the four inner plates 14 to 17 are fixed to the substrate 13 by eight bolts 21 in total.
Fixed to

The outer panel 18 is a car body 02 shown in FIG.
And four rows of different diameters
Multiple through holes 18₁…, 18_Two…, 18_Three…, 18_Four
.. Represent the through holes 02 of the automobile body 02 in FIG.₁…
Corresponding to Each of the inner plates 14 to 17 is a welding nut shown in FIG.
.., And the through-hole 18 ₁
…, 18_Two…, 18_Three…, 18_FourI'll line up with ...
Sea urn screw hole 14₁…, 15₁…, 16₁..., 17₁…But
Each is formed in one row. These screw holes 14₁…, 15
₁…, 16₁..., 17₁... is the welding nut 01
It becomes a dummy screw hole that imitates the same hole. Relatively large thickness
The through board 18 of the outer plate 18₁…, 18_Two
…, 18_Three…, 18_Four… And screw holes of each inner plate 14-17
14₁…, 15₁…, 16₁..., 17₁Align to the position of ...
Through hole 13₁…, 13_Two…, 13_Three…, 13
_FourAre formed in four rows. Thus, for example, the penetration of the outer plate 18
Through hole 18_FourWhen the bolt B is inserted into the
The bolt B is the screw hole 17 of each inner plate 17₁Into the substrate 13
Through hole 13_FourTo enter. At this time, the tip of bolt B
The length of the bolt B or the length of the bolt B so that the end does not interfere with the base 11
Alternatively, the thickness of the substrate 13 is set.

The base 11 has a substrate 13 and inner plates 14 to 17.
5 instead of the assembly A consisting of
A soft synthetic resin plate 22 corresponding to the clip nut 05 shown in FIG. 3B can be fixed with four bolts 23 and four nuts 20. The tapping screw S can be screwed into the synthetic resin plate 22 at an arbitrary position, and the material of the synthetic resin plate 22 is selected so that the feel when screwing the tapping screw S is similar to that of the clip nut 05. This synthetic resin plate 22 becomes a dummy clip nut simulating the clip nut 05.

The assembly A consisting of the substrate 13, the inner plates 14 to 17 and the outer plate 18 and the synthetic resin plate 22
It can be arbitrarily attached to the other four surfaces except the bottom surface coupled to the body support member 5 according to the purpose of training.

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

In order to train the bolt B fastening work,
Car conveyor C₁Any of the four body support members 5
An assembly comprising a substrate 13, inner plates 14 to 17 and an outer plate 18
With the yellowtail A attached, the worker moves the truck
AC₁And move the bolt B in correspondence with the outer plate 18.
Through hole 18₁…, 18_Two…, 18_Three…, 18 _Four
Insert the bolt B with a tool such as a nut runner.
Screw holes 14 in inner plates 14 to 17₁…, 15₁…, 16
₁..., 17₁Conduct training for screwing into ... At this time
Fastening work from above according to the mounting position of assembly A
Training, or training of fastening work from front, rear, left and right sides
It can be carried out. Thus, the actual bolting work of bolt B
Training in an environment very close to the
It is possible to increase.

Further, various troubles as shown in FIG. 3 can be reproduced on the outer plate 18 and the inner plates 14 to 17 so that training for coping with the trouble can be performed. (A) is that welding spatters into the screw hole 14 ₁ of the inner plate 14 is attached, (B) is that the screw hole 14 ₁ of the through-hole 18 ₁ and the inner plate 14 of the outer panel 18 is displaced position, (C ) is that welding sealer and the screw hole 14 ₁ of the through-hole 18 ₁ and the inner plate 14 of the outer plate 18 is attached, (D) is intended to screw holes 14 ₁ of the inner plate 14 is inclined, (E) is Through-hole 18 ₁ of outer plate 18 and inner plate 1
Which paint sealer adheres 4 to the screw hole 14 _1,
(F) is intended to screw holes 14 ₁ of the inner plate 14 is damaged,
(G) those sizes of screw holes 14 ₁ of the inner plate 14 of the mismatch, (H) is intended to tap broken remaining, (I) is that broken bolt remaining, (J) is the outer panel 18 (K) is the _{one in} which the paint adhered to the through hole 18 ₁ , and (K) is the _{one in} which the foreign matter adhered to the screw hole 141 of the inner plate 14.

As described above, by actually experiencing various inconveniences in the training and learning how to deal with them, it is possible to quickly cope with any inconveniences occurring during actual work.

Further by using a plurality of inner plates 14 to 17, also the one of screw holes 14 ₁ ... to 17 ₁ ... is exhausted, since there is no need to replace all of the inner plate 14 to 17 It is economical. Further screw holes 14 ₁ for each inner plate 14 to 17
Because ... it is unified to 17 ₁ ... size of, depleted screw hole 14 ₁ ... to 17 ₁ ... and expanded the newly threaded hole 14
By forming ₁ ... 17 ₁ .
17 can be used repeatedly.

Further To do training fastening operation of the tapping screw S, in a state of attaching the synthetic resin plate 22 to either the four carriage conveyor C ₁ body supporting members 5 ... of,
Worker screwing the tapping screw S into the synthetic resin sheet 22 while moving together with the carriage conveyor C ₁ to move.
Also in this case, depending on the mounting position of the synthetic resin plate 22, training of a fastening operation from above or training of a fastening operation from front, rear, left and right sides can be performed.

FIG. 4 shows a second embodiment of the present invention.
It is prepared by attaching the exercise device T trolley conveyer C ₂ in place of the carriage conveyor C ₁ of the first embodiment.

The trolley conveyor C ₂ is a total of four body supporting member 5 ... it is provided on the left and right pair of hangers 24, 24, two of the rear of which the body supporting members 5, 5
, The assembly A and the synthetic resin plate 22 are attached via bases 11 and 11. The assembly A and the synthetic resin plate 22 are directly attached to the lower surfaces of the two body support members 5, 5 on the front side without using the bases 11, 11. By directly attaching the assembly A and the synthetic resin plate 22 to the lower surfaces of the body supporting members 5 and 5 in this manner, training for fastening the bolt B and the tapping screw S upward from below can be performed.

Although the embodiment of the present invention has been described in detail, the present invention is not limited to the above embodiment, and various design changes can be made.

[0040]

As described above, according to the first aspect of the present invention, the worker performs the operation of screwing the bolt into the dummy screw hole of the training device while moving the same together with the conveyor, thereby realizing the actual operation. Efficient training can be performed in an environment close to bolt fastening work.

According to the invention described in claim 2,
The worker can perform efficient training in an environment close to actual fastening work of the tapping screw by performing the operation of screwing the tapping screw into the dummy clip nut of the training device while moving the same together with the conveyor.

According to the invention described in claim 3,
By performing the work of inserting a bolt through the through hole of the outer plate and screwing the bolt into the bolt hole of the inner plate, the worker can repeatedly perform the training that simulates the work of actually attaching the parts to the work.

According to the fourth aspect of the present invention,
When the screw hole of the inner plate is exhausted, only the inner plate can be replaced, which is economical.

According to the invention described in claim 5,
When the screw hole of the inner plate is worn out, the inner screw can be used repeatedly by expanding the diameter of the worn screw hole to form a new screw hole.

According to the invention described in claim 6,
It is possible to efficiently perform training when there is a defect in the through hole of the outer plate or the screw hole of the inner plate.

According to the seventh aspect of the present invention,
Training of bolt fastening work from different directions can be performed simultaneously.

According to the invention described in claim 8,
In addition to the training of the bolt fastening operation, the training of the tapping screw fastening operation can be performed.

According to the ninth aspect of the present invention,
Even if a long bolt that penetrates the screw hole of the inner plate is screwed, the tip of the bolt can be prevented from escaping into the through hole of the substrate and interfering with other members.

[Brief description of the drawings]

FIG. 1 is a diagram showing a state in which a training device is mounted on a truck conveyor of an automobile assembly line.

FIG. 2 is an exploded perspective view of the training device.

FIG. 3 is a view showing an aspect of an abnormality of a screw hole;

FIG. 4 is a diagram showing a state where the training device is mounted on a trolley conveyor of an automobile assembly line.

FIG. 5 is a diagram showing an assembled state of parts using a bolt and a tapping screw;

[Explanation of symbols]

02 Automobile body (work) 03 Parts 11 Base 13 Substrate 13 _{1 to} 13 ₄ Through hole 14 to 17 Inner plate 14 _{1 to} 17 ₁ Screw hole (dummy screw hole) 18 Outer plate 18 ₁ to 18 ₄ Through hole 22 Synthesis Resin plate (Dummy clip nut) B Bolt C ₁ Bogie conveyor (Conveyor) C ₂ Trolley conveyor (Conveyor) S Tapping screw T Training device

Claims (9)

[Claims] 1. A workpiece (02) wherein the part (03) exercise device having a bolt (B) may screwing the dummy screw holes (14 ₁ to 17 ₁₎ for attaching the (T) to the workpiece (02 ) attached to the conveyor (C _1, C ₂₎ for conveying the conveyor (C _1, C ₂₎ in the training device (the said while moving the bolt (B) a T) dummy threaded holes (14 ₁ to 17 A training method for screw fastening work, wherein training for screwing in ₁ ) is performed. 2. A training apparatus (T) having a dummy clip nut (22) into which a tapping screw (S) for attaching a part (03) to a workpiece (02) can be screwed.
To the conveyor (C ₁ ,
Attached to C _2), the conveyor (C _1, C _2), characterized in that to train screwing the while moving the training devices (T) self-tapping screws (S) to the clip nuts (22) of the dummy in The training method of screw fastening work. 3. A large number of through-holes (18 _{1-18 4)} formed the outer plate (18), the through-hole (18 _1-18 the outer plate (18) rear surface detachably superposed with the training apparatus of the screw fastening operation, characterized in that a inner plate (14 to 17) the screw hole (14 ₁ to 17 ₁₎ is formed respectively at positions corresponding to _4). 4. A through-hole (18 ₁ to ₁ ) of an outer plate (18).
8 ₄ ) are formed in a plurality of rows, and a plurality of inner plates having screw holes (14 _{1 to} 17 ₁ ) formed in a row so as to correspond to the through holes (18 ₁ to 18 ₄ ) in each row. (14
The training device for screw fastening work according to claim 3, characterized by comprising: 5. A through-hole (18 _{1 -1} ) of an outer plate (18).
The diameter of 8 ₄ ) is unified for each row and the inner plate (1
4-17) of screw holes (14 _1, 15 _1, 16 _1, 1
The training device for screw fastening work according to claim 4, characterized in that the diameter of 7 ₁ ) is standardized for each of the inner plates (14 to 17). 6. A through-hole (18 _{1 -1} ) of a skin (18).
8 ₄ ) and the screw holes (14 ₁ , 15) of the inner plates (14 to 17).
₁ , 16 ₁ , 17 ₁ ) at least one of the bolts (B)
Characterized by reproducing the problem of hindering the screwing of
The training device for screw fastening work according to claim 3. 7. A cuboid base (11), comprising:
The training device for screw fastening work according to claim 3, characterized in that the superimposed outer plate (18) and inner plate (14-17) can be attached to at least two surfaces of the base (11). . 8. The method according to claim 7, wherein a synthetic resin plate having a hardness capable of screwing a tapping screw is attached to at least one surface of the base. Training device for screw fastening work. 9. The screw holes (14 ₁ , 15 ₁ , 16 ₁ , 16 ₁ , 16 ₁ , 16 ₁ , 16 ₁ , 16 ₁ , 16 ₁ , 16 ₁ , 16 ₁ , 16 ₁ , 16 ₁ , 16 ₁ , and 16) are detachably superimposed on the back surface of the inner plates (14-17).
17 ₁₎ respectively through hole at a position corresponding to the (13 ₁ to 1
3 ₄₎ characterized by comprising a substrate (13) which is formed, training devices of screw fastening operation according to claim 3.