JPS6130974Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention can freely follow the movement of the placed object.
Furthermore, the present invention proposes a cradle device that can automatically return to its original state when the object to be placed is removed.

Hereinafter, an embodiment in which the pedestal device of the present invention is used in an alignment moving device will be described based on the drawings. 1st
The figure shows an example of a line configuration, where 1 is a floor conveyor line, 2 is a suspended conveyor line, and 3 is a delivery part between the end of the floor conveyor line 1 and the suspended conveyor line 2, and alignment is made to this part. A transfer device 4 is provided. The floor conveyor line 1 is shown in FIG.
As shown in FIG. 3, there is a machine frame 5, a pair of left and right rails 6 attached to the machine frame 5, and a pair of left and right roller chains (not shown) guided by these rails 6.
and the support member 7 installed between these roller chains.
A plurality of sets of two supporting members 7 are provided in the length direction. One set of supporting members 7 receives the bottom surface 8a of the automobile body 8, which is an example of a placed object, and conveys the automobile body 8. Note that this floor conveyor line 1 is driven intermittently. Further, on the left and right sides of the bottom surface 8a of the automobile body 8, mounting portions 9A and 9B are formed that protrude downward. The suspended conveyance line 2 includes a trolley drive rail 10, a trolley guide rail 11,
It is composed of a hanger device 12 integrated with a trolley, etc., and this hanger device 12 is a top frame 1 integrated with a trolley.
3, a pair of left and right side frames 14A, 14B attached to the top frame 13 so as to be swingable from side to side, and these side frames 14.
It is comprised of inward hanging locking parts 15A and 15B attached to the lower ends of A and 14B. A frame 16 is provided in the delivery section 3, and this frame 16 includes a pair of left and right hanger device steady rest devices 17A, 17.
B and a pair of left and right side frame opening operation devices 18A, 18B
and is provided. That is, the hanger device steady rest devices 17A, 17B consist of cylinders 19A, 19B attached to the frame 16, and engaging pieces 20A, 20B attached to the piston rod, and these engaging pieces 20A, 20B are attached to the ceiling frame 13. It becomes possible to engage and disengage from the In addition, the side frame opening operation device 18
A and 18B are cylinders 21 attached to the frame 16
A, 21B and swing pieces 22A, 22B, the piston rods of the cylinders 21A, 21B are connected to the upper ends of the swing pieces 22A, 22B, and the lower ends of the swing pieces 22A, 22B are connected to the operating section 2.
2a and 22b. The centering transfer device 4 is configured as follows. In other words, a pair of left and right columns 23A, 23B sandwich the floor conveyor line 1.
is erected, and a plurality of rollers 25A,
Lifting platform 26 that is guided so that it can be raised and lowered via 25B
A, 26B are provided, and lifting platforms 26A, 2 are further provided.
Cylinders 27A and 27B for raising and lowering 6B are provided. Rails 28A, 28 in one direction of the floor conveyor line are provided on the lifting tables 26A, 26B.
B is provided, and arm rods 30A and 30B are provided on these rails 28A and 28B to be movably guided via a plurality of rollers 29A and 29B,
Cylinder 31 that moves arm rods 30A and 30B
A and 31B are provided. Said arm rod 30A, 30
B extends inward, and pedestal devices 33A and 33B of the present invention are provided at the front and rear of the inner end located below the support member 7 via support rods 32A and 32B, respectively. That is, as shown in FIGS. 4 to 6, the pedestal devices 33A, 33B
2B, a flat plate 36 attached to the substrate 34 via a plurality of bolts and nuts 35, and a long hole formed in the flat plate 36 along the suspended conveyance line 2. 3
7, and a bearing 38 that fits into this elongated hole 37.
and a vertical shaft 39 that supports this bearing 38.
A free table 41 is attached to the upper end of the vertical shaft 39 via a tightening mechanism 40, a cushion rubber 42 is attached to the free table 41, and a recess 4 is formed on the bottom of the free table 41.
3, a plurality of balls 45 inserted into the recess 43 and capable of rolling within the recess 44 formed on the upper surface of the flat plate 36, and a plurality of balls 45 provided between the vertical shaft 30 and the base plate 34 or the flat plate 36. It is composed of a return mechanism 46. That is, the lower end of the vertical shaft 39 is formed into a square head 47, and a first piano wire 49 extending in the direction of the elongated hole 37 is inserted through a through hole 48 formed in the square head 47. One end 49 of this first piano wire 49
A is fixed to the flat plate 36 side via a collar 50 and a presser bolt 51, and the other end 49b is slidably supported by a support 52 attached to the flat plate 36. And square head 47 and bearing 38
A collar body 35 is attached to the vertical shaft 39 so as to be located between the
is fitted onto the outside, and the intermediate parallel portion 54a of the second piano wire 54, which is formed in a W shape in plan view, is applied to the collar body 53 against elasticity. The second piano wire 54 has an intermediate curved portion 54b located on one side for imparting elastic force, and a pair of both end curved portions 54c located on the other side, and further has both end portions 54d extending to one side. are connected to the flat plate 3 via fixing devices 55, respectively.
It is fixed on the 6th side. The arm rods 30A, 30B
Above, between both cradle devices 33A and 33B, a second
As shown in Figures 3 and 3, a pair of front and rear slide rails 58A, 58B are attached, and a pair of left and right slide plates 59A, 59B guided by these slide rails 58A, 58B are provided, and a cylinder for slide operation is provided. 60A and 60B are provided. The slide plates 59A, 59B include outer pusher plates 61A, 61B that can come into contact with the outer surfaces of the receivers 9A, 9B, and inner pusher plates 62A, which can come into contact with the inner surfaces of the receivers 9A, 9B. 62B are installed respectively.

Before performing alignment work, lift the lifting platforms 26A and 26B.
has been lowered, and the free table 41 is automatically returned to its home position by the elastic force of both piano wires 49, 54, as shown by solid lines in FIG. In this state, the empty hanger device 12 is transferred to the delivery section 3 and stopped. When transferred, the hanger device 12
The side frames 14A, 14B are in a vertical position as shown by the imaginary lines in the figure. Cylinder 19 of hanger device steady rest device 17A, 17B when transferred and stopped
A, 19B are activated, and the engagement piece 20 located on the imaginary line
A, 20B move as shown in the solid line to the top frame 13.
This locks the hanger device 12 and prevents the hanger device 12 from swaying. After the steady rest is performed, the side frame opening operation devices 18A, 18B are activated, and the operation parts 22a, 22
Side frames 14A, 14B as shown in solid line through b
Open and operate. Next, the floor conveyor line 1 is moved intermittently by one pitch, and the automobile body 8 is transferred to the delivery section 3. At this time, as shown by the solid line, the receiving portion 9 is placed directly above the cradle devices 33A and 33B.
A and 9B are located. Then cylinder 27
A, 27B is activated to raise the arm rods 30A, 30B together with the lifting platforms 26A, 26B. Then, the cushion rubber 42 of the rising pedestal devices 33A, 33B comes into contact with the receiving parts 9A, 9B from below, and
As shown in the imaginary line in Fig. 2, the automobile body 8
will be lifted upward. In this state, both cylinders 60A and 60B are extended, and both slide plates 5
Move 9A and 59B closer together. Then, the pusher plates 61A, 61B that perform the approaching movement move to the receiving portion 9A,
It comes into contact with the outer surface of 9B. When the supported automobile body 8 is shifted to the left or right with respect to the floor conveyor line 1,
The receiving portion 9 on the side that is moving outward due to misalignment
Pusher plate 61A or 6 for A or 9B
1B comes into contact first, thereby pushing the automobile body 8 sideways to the opposite side. During this horizontal pushing movement of the automobile body 8, the receiving portion 9
Both cushion rubbers 42 that support A and 9B move together in the same direction together with the free table 41, so that these placement parts 9A and 9B
No sliding contact occurs between the cradle device 33A, 33B and the cradle device 33A, 33B. When moving together, the second
Either of the curved portions 54c at both ends of the piano wire 54 is compressed against elasticity, and further the vertical axis 3
9 moves within the range of the elongated hole 37,
The free table 41 is displaced, for example, as shown by the imaginary line A or B in FIG. Furthermore, the free table 4
1 can be absorbed by rotating around the vertical axis 39 as shown in imaginary lines C or D in FIG. are doing. Since deviations in the width direction and circumferential direction can be corrected without any sliding, for example, if the automobile body 8 is painted, the paint will not come off due to sliding contact. When the car body 8 is of a different type and has a different width, for example, both cylinders 60A and 60B are contracted, and both slide plates 59
A, 59B are moved apart to push the pusher plates 62A, 6.
2B may be brought into contact with the inner surfaces of the receiving portions 9A and 9B. After aligning the automobile body 8 with the suspension conveyance line 2 by the above action, the cylinders 31A and 31B are operated to move the arm rods 30A and 30.
B is advanced and the longitudinal position of the automobile body 8 relative to the hanger device 12 is adjusted. Next, the side frame opening operating devices 18A and 18B are operated, and the operating section 22
a, 22b are moved backward to close the side frames 14A, 14B as shown in the imaginary lines in FIG. Then, the cylinders 27A, 27B are operated, and the arm rods 30A, 3 are operated together with the lifting tables 26A, 26B.
Lower 0B. As a result, the aligned automobile body 8 is transferred to the hanger device 12. At the same time as this delivery, the first piano wire 19 and the second piano wire 54
The free table 41 automatically returns to its normal position due to the elastic force. and hanger device steady rest device 1
After releasing 7A and 17B, the automobile body 8 is carried out together with the hanger device 12 from the delivery section 3.

As described above, according to the present invention, the free table can be made to freely follow the movement of the object placed on the free table in each direction, and when the object is removed afterwards. , the free table can be automatically returned to the normal position by the elastic force of the first and second piano wires. Furthermore, the structure can be simplified by using two piano wires.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, with FIG. 1 being a schematic plan view showing a line configuration, FIG. 2 being a front view of the delivery section, FIG. Partially cutaway front view, Figure 5 is the same partially cutaway side view,
FIG. 6 is a plan view of the same. 3... Delivery section, 4... Centering transfer device, 30
A, 30B...arm rod, 33A, 33B...cradle device, 34...board, 36...flat plate, 37
...Elongated hole, 39...Vertical axis, 41...Free table, 42...Cushion rubber, 45...Ball,
46... Return mechanism, 49... First piano wire, 53
...Tsuba body, 54...Second piano wire.

Claims (1)

[Scope of utility model registration request] A flat plate attached to a substrate, a free table disposed on the flat plate via a vertical axis and a long hole, a ball interposed between the flat plate and the free table, and a ball interposed between the flat plate and the free table. A first piano wire is provided between the vertical shaft and the flat plate to elastically allow movement in the circumferential direction, and a first piano wire is provided between the vertical axis and the flat plate to elastically allow movement in the long hole direction of the free table. A cradle device comprising a second piano wire provided between the two piano wires.