JPH10338371A - Loading and unloading device for tire tread member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To transfer a tread by suction force, by providing a loading and unloading device with a rotation means which rotates a first suction means sucking a tread member and transferring means which transfers a second means which sucks the rotated treated member to a tread carrying conveyer, and by driving and controlling these means. SOLUTION: An suction cup 9, a first adsorption member, is lifted down to a treated member due to horizontal motion of a horizontal running support member and vertical motion of a lift frame 7 and sucks the tread member certainly by operating a vacuum pump to separate the tread member from a shelf. A first beam 8 is operated to change direction of the suction cup 9 by 180 degree, and the tread member is turned upward and is faced with a suction cup 11, a second adsorption means. The suction cup 11 is lifted down by a lifting cylinder to crimp the tread member, and a vacuum pump is operated to adsorb and hold the tread member on the suction cup 11. The tread member is transferred onto a tread conveying member conveyer 60.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loading / unloading device for transferring a tread member from a booking cart onto a tread conveyor belt in a tire molding process.

[0002]

2. Description of the Related Art A tread member used in molding a tire is placed side by side on a shelf of a booking cart, and the tread member is transferred to a tread conveyor and transferred to a molding process. This transfer operation is mainly performed manually. It was difficult to automate a series of tasks.
To improve this, Japanese Unexamined Patent Publication (Kokai) No. 2-231330 proposes a loading / unloading device that automates a tread member transfer operation.

In such a conventional technique, as shown in FIG. 8, a holding means a for holding a tread member placed on a shelf of a booking trolley, and the holding means a are rotated about a horizontal direction as a central axis. Rotating means b, elevating means c for elevating and lowering the holding means a, running means d for moving the holding means a back and forth, and holding means a, rotating means b, elevating means c and running means and a control means for controlling the driving of the tread member. In the figure, f is a booking trolley, g is a tread transport belt, h is a horizontal support member having a running rail,
i is a column supporting these.

However, in this prior art, it is necessary to open the pinching means on the tread conveyor well, and the tread conveyor side must be remodeled accordingly.

[0005] Further, as means for loading and unloading the tread member, it is conceivable to take it up by suction with a vacuum. However, there is a case in which the tread member cannot be lifted above the shelf surface by vacuum suction, and thus has not been put to practical use.

However, in recent years, the material of the shelves of the booking cart has been improved, and the shelves made of FRP with a lightly uneven surface have been adopted, so that the tread members can be suction-transferred by vacuum. .

[0007]

SUMMARY OF THE INVENTION The present invention provides an apparatus for loading and unloading a tread member utilizing the suction force of vacuum, and transfers the tread member by the suction force without modifying the tread conveyor. It is intended to provide a device for replacement.

[0008]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and the gist of the present invention is that the tread is pressed against the surface of a tread member placed on a shelf of a booking cart. A first suction means for sucking the member, a rotating means for rotating the first suction means about a horizontal axis as a center axis, a second suction means for sucking the rotated tread member, and a second suction means. The present invention relates to an apparatus for loading and unloading a tire tread member, comprising: moving means for moving on a tread conveyor; and control means for driving and controlling the suction means, rotating means, and moving means.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention relates to an apparatus for loading and unloading a tread member. First, a first suction means is moved on a surface of a tread member placed on a shelf of a booking cart. Then, the tread member is lifted, and the tread member is lifted and the first suction means is turned 180 degrees about the horizontal direction to turn the tread member upward, and in this state, the second suction means is moved to the tread. The tread member is pressed to the member and transferred to the second suction means side.
In this state, the tread member is suctioned downward by the second suction means, and while maintaining this state, the second suction means is moved horizontally or vertically, or is swung diagonally and moved onto the tread transport conveyor. The suction of the second suction means is released, and the tread member is transferred onto the tread conveyor.

The first and second suction means are connected to a vacuum pump as a matter of course. By controlling the vacuum pump, the first suction means sucks the tread member, and the first and second suction means move from the first suction means to the first suction means. (2) Transfer to the suction means, and further transfer to the tread conveyor.

The first and second suction means are the same frame.
Or it may be provided in another frame. In the former case, the second
The movement of the suction means is usually composed of an elevating frame which moves up and down and a traveling frame which moves the same in the horizontal direction. In the latter case, the first suction means moves up and down and moves horizontally. In the direction, the tread member faces the second suction means, and the tread member is moved to the second suction means side here.
Next, the second suction means moves in the horizontal direction or swings obliquely to move on the tread conveyor and transfer the tread member onto the belt.

The control means can control the attitude of the first suction means by controlling the driving of the rotating means, and can control the attitude of the first and second suction means by controlling the driving of the elevating means, the traveling means or the swing means. You can control the position,
By driving the vacuum pumps of the first and second suction means, the suction and release of the tread member can be controlled.

[0013]

EXAMPLES Hereinafter, the present invention will be described in more detail with reference to Examples. FIG. 1 is an overall plan view of a tire tread member loading / unloading device 1 of the present invention, and FIG. 2 is a side view thereof. In the figure, a horizontal support member 4 is fixed to an upper end of a column 3 erected on a floor 2, and a connecting member 5 is erected at front and rear ends thereof. A horizontal traveling support member 6 capable of traveling along the horizontal supporting member 4 is provided. A vertically movable frame 7 vertically movable from the horizontal traveling support member 6 is provided in a pair on the left and right. A first frame rotatable about a horizontal axis is provided between lower ends of the vertically movable frames 7. A beam 8 is erected, and the first beam 8 is provided with a suction disk 9 as a first suction means.

A second beam 10 is provided slightly above the lower end of the lifting frame 7, and a plurality of second beams 10 are provided on the second beam 10 so as to face the suction disk 9 as the first suction means. Adsorber 1
1 are juxtaposed downward and serve as second suction means. The second beam 10 can be moved up and down by a cylinder, which will be described in detail later.

In FIG. 1, reference numeral 50 denotes a booking cart, on which a tread member 52 is mounted on a shelf 51.
On the other hand, reference numeral 60 denotes a tread conveyor, which always runs in the direction of the arrow.

The mechanism for moving the horizontal traveling support member 6 in the front-rear direction or the mechanism for vertically moving the elevating frame 7 in the vertical direction are not particularly limited.
No. 31,330, it is possible to travel and ascend and descend. Although not described in detail here, if only the outline is described, the bearings 12 provided before and after the horizontal support member 4,
Timing belt 14 between 13 are wound, Sa - Vomo - motor -15 _1, reducer 15 _2, the timing belt 15
_The driving force provided by the driving source 15 such as ₃ is transmitted to the timing belt 14. The horizontal traveling support member 6 is fixed to one side of the timing belt 14, and the wheels 17 travel on rails 16 provided on the horizontal support member 4 to ensure traveling in the front-rear direction. Become. The vertical movement of the elevating frame 7 is achieved, for example, by moving the motor 18 ₁ and the speed reducer _{1 at} the center of the horizontal traveling support member 6.
8 _2, these connecting belts 18 _3, further provided with a drive source 18 consisting of the rotary shaft 18 ₄ or the like in conjunction with these, which sprocket is rotated (not shown) by the lifting frame - provided above and below the arm 7 The vertical movement of the lifting frame 7 is ensured by the chain 19 meshing with the sprocket.

FIGS. 3 and 4 show the first and second suction means which are features of the present invention. FIG. 3 is a side view particularly showing the first and second suction means, and FIG. 4 is a partial front view thereof.

A rotatable first beam 8 is rotatably supported at the lower end of the elevating frame 7, and a number of suction plates 9 are bolted to the first beam 8 via brackets 20. ing. On the other hand, a second beam 10 arranged in parallel with the first beam 8 is provided slightly above the lower end of the elevating frame 7, and an adsorber 11 serving as a second adsorbing means is provided downward. It is fixed via a bracket 21.

The second beam 10 is connected at both ends to an elevating cylinder 22 suspended from the elevating frame 7, so that the second beam 10 can be raised and lowered. Then, the suction plate 11 provided on the second beam 10 is also moved up and down. In the illustrated example, a shaft 23 erected from the second beam 10 along the elevating frame 7 is fixed to the elevating frame 7 and penetrates the elevating guide 24, thereby raising and lowering the second beam 10. The movement, that is, the vertical movement of the suction board 11 is ensured.

On the other hand, the first beam 8 has a lifting frame.
It is rotated by 180 degrees by the drive source 25 fixed to the lower end of the system 7. That is, service - Vomo - fixed motor -25 ₁ and the reduction gear 25 _2, the both motor - motor -25 ₁ of the drive shaft 25 ₁₂ of the flop - an input shaft 25 of the re -25 ₁₃ and reduction gear 25 _{2 A} belt 25 ₃ is stretched between the pulleys 25 and ₂₂ .

[0021] The output shaft 25 ₂₃ of the speed reducer 25 ₂ as shown in FIG. 5 changes the right angle orientation with respect to the input shaft 25 _21,
The sprocket 26 is fitted on this, while the first
Sprockets 27 are provided at both ends of the beam 8,
Down 28 is passed rack - Chie between sprockets 26 which are fitted to the output shaft 25 ₂₃ of the speed reducer 25 _2.

[0022] Accordingly, motor - drive power to the reducer 25 ₂ via the belt 25 ₃ by driving the motor -25 ₁ is transmitted, Chie from reduction gear 25 _{and second} output shaft 25 ₂₃ - via the emissions 28 The first beam 8 can be turned by 180 degrees.

The mechanism of the tire tread member loading / unloading device of the present invention is as described above.
The loading / unloading process will be described first.
The suction disk 9 as the first suction member is lowered by the horizontal movement of the horizontal traveling support member 6 and the vertical movement of the lifting / lowering frame 7 with respect to the tread member 52 placed on the shelf 51, and the vacuum pump. By operating the tread 70, the tread member 52 is reliably sucked and detached from the shelf 51. Then, the first beam 8 is operated to change the direction of the suction plate 9 by 180 degrees, and the tread member 5 is attached to the suction plate 11 as the second suction means.
2 facing upward.

Next, the suction disk 11, which is the second suction means, is lowered by the lifting cylinder 22 and pressed against the tread member 52, and the vacuum pump 71 (and 70) is operated to move the tread member 52 on the suction disk 11. It is to hold by suction. Then, while maintaining this state, the horizontal traveling support member 6
And the tread transport conveyor 6 by operating the lifting frame 7
The tread member 52 is moved to a position above the tread conveying conveyor 60 by operating the vacuum pump 71.

In the present invention, the first suction means 9 and the second suction means 11 may not be mounted on the same lifting frame 7, for example, only the first suction means 9 is provided on the lifting frame 7. Then, the tread member 52 is sucked, and then the tread member 52 is moved to the second suction means 12, where the tread member 52 is moved to the second suction means 12 by the above-described method.
There is also a method of transferring to the suction means 12.

The tread member 52 transferred to the second suction means 12 is naturally moved together with the second suction means 12 to a position above the tread conveyor 60, where the vacuum pump 71 is released and the tread member 52 is released. It is placed on the tread conveyor 60 and conveyed.

FIG. 6 is a partial side view showing an example of the above-mentioned second suction means 11, in which a swing bracket 34 and a first swing cylinder 35 are connected to a bracket 33 fixed to the connecting member 5. The first swing cylinder 35 is attached to a fixture 36 at the head of the lifting cylinder 22.

On the other hand, the second adsorption means second bi provided (suction cups 11) - arm 10 _1, the cylinder via a coupling fitting 37 as shown in FIG. 7 - lifting cylinder -22 at knuckle joint 38 Is connected to the lower part of the
Are connected by a bracket 40 attached to the arm 10 ₁ - The second swing cylinder -39 is provided, which also second bi.

In such a mechanism, the tread member 52 transferred by the first suction means is conveyed by diagonally swinging the second suction means 11 onto the tread conveyor 60. That is, the first swing cylinder 35 provided on the head of the lifting cylinder 22 is swung obliquely, and at the same time, the second swing cylinder 22 provided below the lifting cylinder 22 is provided.
The swing cylinder 39 corrects the posture and corrects the tread member 52 to a horizontal position. In this state, the vacuum pump is released and the tread member 52 is transferred onto the belt 60.

[0030]

The loading / unloading device for a tire tread member according to the present invention is as described above, and a tread conveyor can use a commercially available general-purpose conveyor as it is. Requires little modification
Therefore, there is a feature that even when the equipment is to be rested with the installation, only the installation work period of the present apparatus is required.

[Brief description of the drawings]

FIG. 1 is an overall plan view of a tire tread member loading / unloading device according to the present invention.

FIG. 2 is a side view of the tire tread member loading / unloading device of FIG.

FIG. 3 is a side view in which first and second suction means are particularly taken out.

FIG. 4 is a partial front view of the first and second suction means of FIG. 3;

FIG. 5 is an example showing a drive source of the first suction means.

FIG. 6 is a partial side view showing a second suction means according to another example of the present invention.

FIG. 7 is a partially enlarged side view of the second suction means shown in FIG. 6;

FIG. 8 is a side view of a conventional tire tread member loading / unloading device.

[Explanation of symbols]

1 Tire Tread Member Loading / Unloading Device, 2 Floor, 3 Post, 4 Horizontal Support Member, 5 Connecting Member, 6 Horizontal Travel Support Member, 7 Lifting Frame, 8 1st beam, 9 1st suction means (suction plate), 10 second beam, 10 ₁ second beam, 11 second suction Means (adsorption plate), 12, 13 ‥‥ bearing, 14 ‥‥ timing belt, 15 ‥‥ drive source, 151 ₁ servo motor, 152 ₂ reduction gear, 153 ₃ timing belt, 16 ‥‥ Les - le, 17 ‥‥ wheels, 18 ‥‥ driving source, 18 ₁ ‥‥ motor - motor -, 18 ₂ ‥‥ reduction gear, 18 ₃ ‥‥ belt, 18 ₄ ‥‥ rotary shaft, 19 ‥‥ Chain, 20 ‥‥ bracket, 21 ‥‥ bracket, 22 ‥‥ lifting cylinder, 23 ‥‥ shaft, 24 ‥‥ lifting guide, 2 5 ‥‥ driving source, 25 ₁ ‥‥ Sa - Vomo - motor -, 25 ₂ ‥‥ speed reducer, 25 ₁₂ ‥‥ motor - motor -25 ₁ of the drive shaft, 25 ₁₃ ‥‥ flop - Li -, 25 ₂₁ ‥ ‥ input shaft of the reduction gear 25 _2, 25 ₂₂ ‥‥ flop - Li -, 25 ₃ ‥‥ belt, 25 ₂₃ the output shaft of ‥‥ reduction gear 25 _2, 26 ‥‥ sprocket, 27 ‥‥ sprocket, 28 ‥‥ Chie 33 ° bracket, 34 ° swing bracket, 35 ° first swing cylinder, 36 ° fixing bracket, 38 ° cylinder-knuckle joint, 37 ° connecting bracket, 39 ° second swing cylinder -, 40 mm bracket, 50 mm booking cart, 51 mm shelf, 52 mm tread member, 60 mm tread conveyor, 70 mm, 71 mm vacuum pump.

Claims (1)

[Claims] 1. A first suction means which is pressed against a surface of a tread member placed on a shelf of a booking cart and suctions the tread member, and a turn for rotating the first suction means about a horizontal direction as a central axis. Moving means, second suction means for sucking the rotated tread member, moving means for moving the second suction means onto the tread conveyor, and control for driving and controlling the suction means, rotating means and moving means. And a loading / unloading device for a tire tread member.