JPH0747982A - Assembling device - Google Patents

Abstract

PURPOSE:To provide an assembling device that is able to reduce the lowering of an operation rate, and besides, capable of supplying auxiliary parts without making any detour. CONSTITUTION:This assembler is provided with a storage 2 automatically supplying a torsion beam body T, a first lift and carry conveyor 3 to be connected to this storage 2, a first setting part 4 setting an end plate E and a reinforcing body R to the torsion beam body T, a first automatic welding part 5 performing the setting of these elements, and an overhead loader 6 to be connected to the first lift and carry conveyor 3, respectively. In addition, this assembler is provided with an intermediate storage 7 to be connected to this loader and storing the torsion beam body T and automatically supplying it, a second lift and carry conveyor 8 to be connected to this intermediate storage, a second setting part 9 setting other auxiliary parts such as a trailing arm A or the like to the torsion beam body T, and a second automatic welding part 10 setting other auxiliary parts, respectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assembling apparatus used in, for example, an automobile assembly line.

[0002]

2. Description of the Related Art Conventionally, as the above-mentioned assembling apparatus, for example, a storage capable of automatically supplying main parts, a plurality of lift-and-carry conveyors continuously provided in this storage, and a lift-and-carry conveyor are used to convey the parts. Set part to set auxiliary parts to the main parts that are
Some have a configuration with an automatic welding part for attaching auxiliary parts.

[0003]

However, in the above-mentioned assembling apparatus, when the auxiliary parts are manually set in the setting section, it takes a lot of time to set the auxiliary parts, which affects the line cycle. When a problem occurs in the lift and carry conveyor or the automatic welding section, the entire assembling apparatus must be stopped, which causes a problem that the operating rate is lowered.

Further, since a plurality of lift-and-carry conveyors are continuously provided in the storage, it may be necessary to bypass the plurality of lift-and-carry conveyors when supplying auxiliary parts to the setting section. However, it has been a conventional problem to solve these problems.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems. Even if auxiliary parts are manually set or a trouble occurs in a line, the operation rate is reduced. It is an object of the present invention to provide an assembling apparatus that can be suppressed to a small amount and that can supply auxiliary components to a set unit without detouring.

[0006]

SUMMARY OF THE INVENTION An assembly apparatus according to the present invention relates to a storage capable of automatically supplying a main component, a first transfer means connected to the storage, and a main component supplied from the storage. A first setting section for setting an auxiliary part, a first automatic welding section for attaching the auxiliary part to a main part conveyed by the first conveying means, an overhead loader connected to the first conveying means, and the overhead. For the intermediate storage which is connected to the loader and can store and automatically supply the main component with auxiliary parts, the second transfer means connected to the intermediate storage, and the main component with auxiliary parts supplied from the intermediate storage And a second setting portion for setting other auxiliary parts, and other auxiliary parts are attached to the main part with auxiliary parts conveyed by the second conveying means. And characterized in that a structure having two automatic welding unit, and a means for solving the conventional problems described above the structure of such an assembly device.

[0007]

Since the assembling apparatus according to the present invention has the above-mentioned structure, it has the structure described above.
When attempting to manually set the auxiliary component in the setting section), for example, it takes time to set the first auxiliary means (or the second conveying means) or the first automatic welding section (or the second automatic welding section). If a problem occurs in the intermediate storage, the intermediate storage stores and automatically supplies the main parts with auxiliary parts, so that the assembly work on the downstream side or the upstream side of the intermediate storage will continue, and The decrease in the rate will be suppressed.

Further, since the first transfer means and the intermediate storage are connected by an overhead loader, a passage is formed between the first transfer means and the intermediate storage, and the auxiliary parts are connected to the first and the first storage parts. When supplying 2 sets
The transportation of auxiliary parts will be done through this passage.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings.

1 to 29 show an embodiment of an assembling apparatus according to the present invention. In this embodiment, an assembling apparatus according to the present invention is an assembling apparatus for a torsion beam portion for a suspension of a vehicle body. Show.

As shown in FIG. 1, an apparatus 1 for assembling a torsion beam portion for suspension has a storage 2 capable of automatically supplying a torsion beam main body (main component) T.
The first lift-and-carry conveyor (first transfer means) 3 connected to the storage 2 and the end plate E and the reinforcement R as auxiliary parts are manually set with respect to the torsion beam body T supplied from the storage 2. Connected to the first setting section 4, the first automatic welding section 5 for attaching the end plate E and the reinforcing body R to the torsion beam body T conveyed by the first lift and carry conveyor 3, and the first lift and carry conveyor 3. Overhead loader 6 and this overhead loader 6
An intermediate storage 7 which is connected to the intermediate plate 7 to store and automatically supply the torsion beam body T having the end plate E and the reinforcement R attached thereto, and a second lift-and-carry conveyor (second carrying means) connected to the intermediate storage 7.
8 and a second set portion 9 for manually setting other auxiliary components such as the trailing arm A to the torsion beam body T to which the end plate E and the reinforcement R supplied from the intermediate storage 7 are set. It is equipped with a second automatic welding section 10 for mounting other auxiliary parts such as the trailing arm A. In this embodiment, FIG.
Also in the part indicated by the phantom line, the storage 2, the first lift and carry conveyor 3, the first set part 4, the first automatic welding part 5, the overhead loader 6, the intermediate storage 7, the second lift and carry conveyor 8, the second It is provided with two set parts 9 and a second automatic welding part 10.

The first lift and carry conveyor 3
As shown in FIG. 2 and FIG. 3 in an enlarged manner, the (second lift and carry conveyor 8) includes lift bases 3a (8a) divided in the flow direction, and rail portions 3b (8b) provided on the respective lift bases 3a. ) And a pallet 3c (8c) traveling on the rail portion 3b, and the lift base 3 in the first automatic welding portion 5 (second automatic welding portion 10).
The a (8a) is provided with an index 3d (8d) for rotating the torsion beam body T.

In the first setting section 4, the worker P1 manually sets the end plate E and the reinforcing member R on the torsion beam body T automatically supplied from the storage 2. In this case, as shown in FIG. As shown in FIGS. 7 to 14 at predetermined positions a to h of the torsion beam body T, the end plate E, and the reinforcement R, as shown in FIGS. , The movable locating pins a1, b1, the inner diameter chuck c1, the gauges d1, h1, the guides e1, e2, h2 and the clamps e3, g1, h3 to position and hold the torsion beam main body T in the first lift and carry conveyor 3. The end plate E and the reinforcing member are fixed to the pallet 3c at predetermined positions of the torsion beam body T. It is to be fixed.

Further, two welding robots 4a and 4b are provided on the lift base 3a in the first setting section 4, and at the same time the end plate E and the reinforcing body R are set, they are temporarily attached. After the temporary attachment is completed, the movable locating pin b1 and the gauge d
1, the guides e1, e2, and the clamp e3 are separated from the torsion beam body T, the end plate E, and the reinforcement R, respectively.

In the first automatic welding section 5, a total of four welding robots 5a, 5b, 5c and 5d are mounted on the lift base 3a.
First lift and carry conveyor 3 provided above
The end plate E and the reinforcing body R set on the torsion beam main body T transported by the above are finally attached.

The overhead loader 6 includes an end plate E.
Also, the torsion beam body T to which the reinforcing body R is attached is lifted from the ground to a height of about 2 m and conveyed to the intermediate storage 7. The lower side of the overhead loader 6 is used as the passage 11. Cage, this passage 1
The end plate E and the reinforcing body R are supplied to the first set portion 4 through 1 and other auxiliary parts such as the trailing arm A are supplied to the second set portion 9.

The intermediate storage 7 is for accumulating the torsion beam body T having the end plate E and the reinforcing body R in an aligned state. In this embodiment, the stabilizer storage 12 connected to the intermediate storage 7 is In the connecting portion between the intermediate storage 7 and the stabilizer storage 12, which is provided, the temporary attachment of the torsion beam body T supplied in a predetermined posture and the stabilizer S similarly supplied in a predetermined posture from the stabilizer storage 12 is illustrated. Not done by an automatic welding machine.

In the second setting section 9, the stabilizer S
Similarly to the first set portion 4, the worker T2 is temporarily attached to the torsion beam body T automatically supplied from the intermediate storage 7, and the worker P2 is another auxiliary component such as the trailing arm A, the shock absorber bracket SB, and the absorber. The bracket AB, the lateral link bracket LB, the Panhard rod bracket RB and the brake hose bracket HB are set manually.

In this case, the torsion beam body T to which the end plate E and the reinforcing member R are attached is attached to the pallet 8 of the second lift and carry conveyor 8 as described above.
In addition to positioning in c, as shown in an enlarged view in FIGS. 15 to 17, the other auxiliary parts A, SB, AB, L
At predetermined positions i to t of B, RB, and HB, as shown in FIGS. 18 to 29 corresponding to these positions, movable locating pin i1, locating pins j1 and k1, locating clamp l1, gauges i2 and m3. , N1, p
1, q1, r1, s1, movable gauge o1, guide p4
s2, t1 and clamps m1, m2, n2, p2, p
By positioning and gripping with 3, q2, other auxiliary parts A, SB,
AB, LB, RB and HB are fixed.

Also, in the second set portion 9, two welding robots 9a and 9b are provided on the lift base 8a, and the other auxiliary parts A, SB, AB, LB and R are added.
At the same time as setting B and HB, these temporary attachments are also performed. After the temporary attachment is completed, the movable locating pin b1, gauge d1, guides e1, e2, clamp e
3 is separated from the torsion beam body T, the end plate E, and the reinforcement R, and the movable locating pin i1 and the gauge i for holding the trailing arm A are provided.
2, m3, n1, s1, guides s2, t1 and clamps m1, m2, n2 except for positioning gripping parts are separated from other auxiliary parts SB, AB, LB, RB, HB.

In the second automatic welding section 10 as well, a total of four welding robots 10a, 10b, 10c, 10d are provided on the lift base 8a, and are carried by the pallet 8c of the second lift and carry conveyor 8. Other auxiliary parts A and S set on the torsion beam body T
B, AB, LB, RB, and HB bookbinding and the stabilizer S bookbinding are performed.

Further, the apparatus 1 for assembling the suspension torsion beam portion is provided with a cooling cooler and an automatic measuring device (not shown) on the downstream side of the second automatic welding section 10 in the second lift and carry conveyor 8.
Other auxiliary components SB, A such as an end plate E, a reinforcement R, and a trailing arm A on the torsion beam body T.
B, LB, RB, HB and stabilizer S are welded and permanently attached to the torsion beam portion by cooling and measurement, and non-defective products are accumulated in the torsion beam portion storage 20 connected to the second lift and carry conveyor 8. The defective product is transported to the defective product storage space 23 by the material handling robot 21.

Then, on the line downstream side of the assembly device 1 for the suspension torsion beam portion, a machining process (not shown) is connected via a lifter 24, and a storage 25 and a loader 26 are connected to this machining process. A lift and carry conveyor 27 is provided, and while the machined torsion beam portion is conveyed by the lift and carry conveyor 27,
A spindle is attached by the welding robots 28a and 28b, cooling is performed by a cooling cooler (not shown), and measurement is performed by an automatic measuring device. Masking check and marking work are performed on the torsion beam portion transferred to the final storage 31 by the loader 30. ing.

In the assembly device 1 for the torsion beam portion for suspension, first, in the first setting portion 4, the worker P1 hands the end plate E and the reinforcement R to the torsion beam main body T automatically supplied from the storage 2. Set by work.

At this time, at the predetermined positions a to h of the torsion beam body T, the end plate E and the reinforcement R shown in FIGS. 4 to 6, as shown in FIGS. Chuck c1, gauges d1, h1, guides e1, e2, h2 and clamp e
3, g1 and h3 are positioned and gripped, whereby the torsion beam body T is fixed at a predetermined position on the first lift and carry conveyor 3, and the end plate E and the reinforcing body R are placed at predetermined positions on the torsion beam body T. Fix it.

Next, the end plates E and the reinforcement R are temporarily attached by the two welding robots 4a and 4b,
After the temporary attachment is completed, the movable locating pin b1, the gauge d1, the guides e1, e2, and the clamp e3 are separated from the torsion beam body T, the end plate E, and the reinforcing body R, respectively.

Next, the torsion beam body T is first
The lift and carry conveyor 3 conveys it to the first automatic welding unit 5, and in this first automatic welding unit 5, a total of four welding robots 5a, 5b, 5c, 5d set the end plate E on the torsion beam main body T and the reinforcement. After the body R is fixed, this torsion beam body T
Are transported to the intermediate storage 7 via the overhead loader 6.

At this time, the lower side of the overhead loader 6 is provided with the passage 11.
Therefore, the first set portion 4 is passed through this passage 11.
Supply of the end plate E and the reinforcement R to the second set portion 9 and the supply of other auxiliary components such as the trailing arm A to the second setting portion 9 can be quickly performed without being hindered by the first and second lift and carry conveyors 3, 8. Will be done.

In the intermediate storage 7, between the stabilizer storage 12 connected to the intermediate storage 7, the torsion beam main body T supplied from the intermediate storage 7 in a predetermined posture and the stabilizer beam supplied from the stabilizer storage 12 in the same predetermined posture. Temporary attachment with S is performed by an unillustrated automatic welding machine, and subsequently, in the second set portion 9, the worker P2 is another auxiliary component with respect to the torsion beam main body T to which the stabilizer S is temporarily attached. Trailing arm A, shock absorber bracket SB, absorber bracket AB, lateral link bracket LB, Panhard rod bracket R
Manually set B and the brake hose bracket HB.

Also at this time, in addition to positioning the torsion beam body T to which the end plate E and the reinforcing body R are attached at the predetermined position on the second lift and carry conveyor 8 as described above, as shown in FIGS. At predetermined positions i to t of the other auxiliary parts A, SB, AB, LB, RB, HB shown above, as shown in FIGS. 18 to 29 corresponding to these positions, the movable locating pin i1 and the locating pins j1, k1 are shown. , Locate clamp l1, Gauge i
2, m3, n1, p1, q1, r1, s1, movable gauge o1, guides p4, s2, t1 and clamps m1, m
2, n2, p2, p3 are positioned and gripped, and other auxiliary parts A, SB,
Fix AB, LB, RB, HB.

Next, by the two welding robots 9a and 9b, the other auxiliary parts A, SB, AB, LB, RB,
After temporarily attaching the HB, the movable locating pin b1,
A movable locating pin i1, a gauge i2, m3, n for holding the trailing arm A while separating the gauge d1, the guides e1, e2, and the clamp e3 from the torsion beam body T, the end plate E, and the reinforcement R, respectively.
1, s1, guides s2, t1 and clamps m1, m
Other positioning gripping parts other than 2, n2 are other auxiliary parts S
Separate from B, AB, LB, RB, HB.

Next, by the four welding robots 10a, 10b, 10c and 10d in total of the second automatic welding section 10, the above-mentioned other auxiliary parts set on the torsion beam main body T conveyed by the second lift and carry conveyor 8. A, S
B, AB, LB, RB, HB and stabilizer S are fixed, and then the cooling cooler and the automatic measuring device located on the downstream side of the second automatic welding portion 10 cool and measure the torsion beam portion. Go to
Good products are stored in the storage 20 for the torsion beam part, and bad products are stored in the material handling robot 2.
It is transported to the defective product storage space 23 by 1.

Therefore, when attempting to manually set the end plate E and the reinforcing body R in the first setting section 4 (or the second setting section 9), for example, it takes time to set the first plate and the first lift and carry. The conveyor 3 (or the second lift and carry conveyor 8) and the first automatic welding unit 5 (or the second automatic welding unit 1)
If a trouble occurs in 0), the intermediate storage 7 accumulates the torsion beam body T and automatically supplies it, so that the assembly work on the downstream side or the upstream side of the intermediate storage 7 is continuously performed. Therefore, the decrease in operating rate is small.

Although the assembly apparatus according to the present invention is the assembly apparatus 1 of the torsion beam portion for the suspension of the vehicle body in the above-described embodiment, the assembly apparatus is not limited to this.

The detailed structure of the assembling apparatus according to the present invention is not limited to the above embodiment.

[0036]

As described above, since the assembling apparatus according to the present invention has the above-mentioned structure, it takes time to set the auxiliary parts in the first set portion (or the second set portion) and the first conveying means. Even if a trouble occurs in the (or the second conveying means) or the first automatic welding part (or the second automatic welding part), the intermediate storage accumulates the main parts with the auxiliary parts and the main parts with the auxiliary parts. Since the parts are automatically supplied, the assembling work on the downstream side (or the upstream side) of the intermediate storage is continuously performed, and as a result, the decrease in the operating rate can be suppressed to a small extent, and the first conveying means is also possible. Since it is possible to form a passage between the intermediate storage and the intermediate storage, it becomes possible to supply auxiliary components to the first and second set parts without bypassing. Results in extremely excellent effect that.

[Brief description of drawings]

FIG. 1 is a plan view schematically showing an assembly device for a suspension torsion beam portion according to an embodiment of the assembly device of the present invention.

2 is an enlarged side view of a first lift-and-carry conveyor in the apparatus for assembling the suspension torsion beam portion shown in FIG.

FIG. 3 is an explanatory plan view of the first lift and carry conveyor shown in FIG.

FIG. 4 is an enlarged explanatory view from a side direction of a torsion beam main body in which an end plate and a reinforcing body are set.

FIG. 5 is a partially enlarged explanatory view from a plane direction of a torsion beam main body in which an end plate and a reinforcing body are set.

FIG. 6 is a partially enlarged explanatory view from the front direction of the torsion beam main body in which the end plate and the reinforcing body are set.

7 is an explanatory view of a set state at a predetermined position a in FIG.

8 is an explanatory diagram of a set state at a predetermined position b in FIG.

9 is an explanatory diagram of a set state at a predetermined position c in FIG.

10 is an explanatory diagram of a set state at a predetermined position d in FIG.

11 is an explanatory diagram of a set state at a predetermined position e in FIG.

12 is an explanatory diagram of a set state at a predetermined position f in FIG.

13 is an explanatory diagram of a set state at a predetermined position g in FIG.

14 is an explanatory diagram of a set state at a predetermined position h in FIG.

FIG. 15 is an enlarged explanatory view from the front direction of the torsion beam main body in which the end plate, the reinforcing body and other auxiliary parts are set.

FIG. 16 is an enlarged explanatory view from the plane direction of the torsion beam main body in which the end plate, the reinforcing body, and other auxiliary components are set.

FIG. 17 is an enlarged explanatory view from the side direction of the torsion beam main body in which the end plate, the reinforcing body, and other auxiliary components are set.

18 is an explanatory diagram of a set state at a predetermined position i in FIG.

19 (a) is an explanatory view of a set state at a predetermined position j in FIG. FIG. 19B is an explanatory view of a set state in the direction of the arrow in FIG.

20 is an explanatory diagram of a set state at a predetermined position k in FIG.

21 (a) is an explanatory diagram of a set state at a predetermined position 1 in FIG. (B) FIG. 21 (a) is a set state explanatory view in the direction of the arrow.

22 is an explanatory diagram of a set state at a predetermined position m in FIG.

23 (a) is an explanatory diagram of a set state at a predetermined position n in FIG. FIG. 23B is an explanatory diagram of a set state in the direction of the arrow in FIG.

24 (a) is an explanatory view of a set state at a predetermined position o in FIG. FIG. 24B is an explanatory diagram of a set state in the arrow direction of FIG.

25 is an explanatory diagram of a set state at a predetermined position p in FIG.

26 is an explanatory diagram of a set state at a predetermined position q in FIG.

27 is an explanatory diagram of a set state at a predetermined position r in FIG.

28 (a) is an explanatory view of a set state at a predetermined position s in FIG. (B) FIG. 28 (a) is a set state explanatory view in the arrow direction.

29 is an explanatory diagram of a set state at a predetermined position t in FIG.

[Explanation of symbols]

1 Assembly Device (Assembly Device) for Torsion Beam Part for Suspension 2 Storage 3 1st Lift and Carry Conveyor (1st Transfer Means) 4 1st Set Part 5 1st Automatic Welding Part 6 Overhead Loader 7 Intermediate Storage 8 2nd Lift and Carry Conveyor (2nd conveying means) 9 2nd setting part 10 2nd automatic welding part A Trailing arm (other auxiliary parts) E End plate (auxiliary parts) R Reinforcement body (auxiliary parts) T Torsion beam body (main parts) AB Absorber bracket (other auxiliary parts) HB Brake hose bracket (other auxiliary parts) LB Lateral link bracket (other auxiliary parts) RB Panard rod bracket (other auxiliary parts) SB Shock absorber bracket (other auxiliary parts)

Claims (1)

[Claims] 1. A storage capable of automatically supplying a main component, a first transfer means connected to the storage, a first setting section for setting an auxiliary component to the main component supplied from the storage, A first automatic welding part for attaching auxiliary parts to main parts conveyed by the first conveying means, and an overhead loader connected to the first conveying means,
An intermediate storage that is connected to the overhead loader and can store and automatically supply a main component with an auxiliary component, a second transfer unit that is connected to the intermediate storage, and the main component with an auxiliary component supplied from the intermediate storage. And a second automatic welding part for mounting the other auxiliary component to the main component with the auxiliary component conveyed by the second conveying means. Assembling device.