JPH06247290A - Fluid pressure drive transport device - Google Patents

Abstract

PURPOSE:To provide a fluid pressure driven transporting device which can be installed at a low cost, assures easy maintenance and management, and presents a high degree of freedom when the route is to be changed. CONSTITUTION:A fluid pressure driven transporting device 1 has a working piston 10 equipped with a drive magnet 9, and the piston 10 is inserted slidably in the axial direction into a hose 3 through which a pressure fluid is fed and which presents a high degree of freedom, and an attracting metal piece 12 is mounted at the periphery of this hose 3 with a rotor 11 interposed, wherein the metal piece 12 is equipped with a transported object accommodating tool 21 and moves in a single piece with the piston 10 while attracted by the magnet 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fluid pressure driven transfer device for transferring an object by utilizing the pressure of compressed air or the like.

[0002]

2. Description of the Related Art Conventionally, various kinds of conveying devices have been used in an assembly line, a processing line or the like in order to efficiently convey articles. An example of such a transport device is shown in FIG. The transfer device 51 includes a strong guide rail 52 such as an I-beam and a channel that is hung on the ceiling of a transfer route, and a transfer carriage 53 that moves on the guide rail 52. An accommodation box 55 for accommodating an article to be conveyed 54 is attached to the lower portion. Therefore, when the carrier device 51 is used, the carrier device 53 supplies power to the carrier device 53 to operate the carrier device 53 and moves the carrier device 53 along the guide rails 52 so that the object 54 in the storage box 55 is moved to a predetermined position. It is designed to be transported to the position.

[0003]

However, in the conventional transfer device 51, since the guide rail 52 and the transfer carriage 53 are used, expensive equipment is required and
There is a problem that the equipment is larger than the object 54 to be transported and the equipment cost is high. In addition, since the guide rail 52 is heavy and formed strongly,
When changing the transportation route, the work of removing or installing from the ceiling is very complicated, and the installation place is limited, and the degree of freedom in design is low and lacking adaptability.

The present invention has been made in view of such an actual situation, and an object thereof is a fluid pressure drive which has a low facility cost, is easy to maintain and has a high degree of freedom when changing routes. It is to provide a carrier.

[0005]

In order to solve the above-mentioned problems of the prior art, in the present invention, a working piston is slid along the axial direction inside a hose having a high degree of freedom to which a pressure fluid is supplied. The hose is fitted and arranged as much as possible, and a suction metal fitting, which is equipped with a transported object container and is configured to be attracted by a magnet and move integrally with the working piston, is attached to the outer peripheral surface of the hose via a rotor. There is.

[0006]

In the fluid pressure driven transfer device according to the present invention, the working piston is slidably inserted and disposed in the hose having a high degree of freedom to which the pressure fluid is supplied along the axial direction, and the outer peripheral surface of the hose is arranged. In addition, since a suction metal fitting that is equipped with a conveyed material storage tool and configured to move integrally with the working piston by being attracted by a magnet is attached via a rotor, the suction metal fitting is attached along the outer peripheral surface of the hose. It is possible to reduce the frictional force generated when moving by the rotor, and it is possible to quickly and smoothly carry the work to carry the goods to a predetermined position.
Compared with a solid guide rail, the number of installation steps can be reduced and the degree of freedom in design is great.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below based on the illustrated embodiments.

1 to 4 show a first embodiment of a fluid pressure driven transfer device according to the present invention. In the figure, reference numeral 1 is a fluid pressure driven transfer apparatus which is arranged on a transfer line such as an assembly line or a processing line. It is configured to convey the conveyed product 2 as a component to a predetermined position.

The fluid pressure drive transfer device 1 described above has a transfer hose 3 to which compressed air is supplied and which has a high degree of freedom, and a first hose 3 which suspends and holds the hose 3 on a ceiling 4 of a transfer route.
~ Third holding brackets 5, 6, 7 and hose holder 8
And an actuating piston 10 which is provided with a drive magnet 9 and is slidably fitted inside the hose 3, and four rotors 1 that are attracted by the drive magnet 9 to the outer peripheral surface 3 a of the hose 3.
1 and a suction metal fitting 12 which is attached via 1. The hose 3 is formed using a long product having a uniform circular cross section and is coated with a fluororesin. As the fluororesin, Teflon manufactured by DuPont or the like is used.

On the other hand, the first to third holding brackets 5,
A plurality of 6, 7 and hose holders 8 are used and are arranged at predetermined intervals according to various situations such as the shape of the transportation line and the weight of the transported object 2. The first holding bracket 5 is formed in a plate shape, and as shown in FIG.
It is clamped and fixed to the ceiling 4 by. Further, the second holding bracket 6 is arranged along the vertical direction,
The upper end 6a is fixed to the first holding bracket 5, and the lower end 6b is rotatably connected to the upper end 7a of the third holding bracket 7 by a pivot pin 14. Further, an upper portion of the hose holder 8 is attached to the lower end portion 7b of the third holding bracket 7 with a fastening bolt 15. Thus, the third holding bracket 7 and the hose holder 8 are configured so as to be rotatable in the arrow direction in FIG. 2 with respect to the first and second holding brackets 5 and 6, whereby the hose 3 At the corners, the load acting on the suction fitting 12 due to the centrifugal force during transportation is reduced.

The hose holder 8 is formed by using a pair of holding plates 16 and 17 whose lower side is bent into a curved shape substantially corresponding to the outer peripheral surface 3a of the hose 3. The tops of 17 are joined together.
The lower sides of the holding plates 16 and 17 are arranged so as to face each other in a direction of expanding outward, and are formed in a substantially circular shape on the front side to hold the hose 3. Moreover, the lower ends of the holding plates 16 and 17 are arranged with a space therebetween, so that the opening 8a is provided in the lower portion of the hose holder 8, and the suction metal fitting 12 of the hose 3 is provided through the opening 8a. Lower peripheral surface 3
It can be attached to a.

As shown in FIG. 3, the working piston 10 is formed by using a columnar body, and a drive magnet 9 for attracting the attraction fitting 12 is attached at an axial intermediate position thereof. . Thus, the drive magnet 9 has a magnetic force sufficient to attract the conveyed product 2, the suction fitting 12, and the conveyed product container described later. Also, the working piston 10
A pair of O-rings 1 are provided on the outer peripheral surfaces located at the front and rear ends of the
8 and 19 are fitted with the drive magnet 9 in between,
By these O-rings 18 and 19, the inner peripheral surface 3 of the hose 3
The airtightness between b and the working piston 10 is maintained.

As shown in FIGS. 2 and 4, the suction metal fitting 12 is a rectangular steel plate which is narrower than the opening 8a of the hose holder 8 and is formed along the width direction of the hose 3. The outer peripheral surface 3a is formed by bending it into a curved shape substantially corresponding to the outer peripheral surface 3a. Further, the front and rear ends 12a and 12b of the suction metal fitting 12 are bent or chamfered downward, and the front and rear end portions 12a and 12b of the suction metal fitting 12 are bent at the curved portion of the hose 3 so that the outer peripheral surface of the hose 3 is made. 3a
I try not to come in contact with. On the upper surface side of the suction metal fitting 12, four mounting hole portions 20 are arranged at front, rear, left, and right intervals, and these mounting hole portions 20 are provided with the rotor 11 described above.
Are rotatably attached along the moving direction of the suction metal fitting 12.

The rotor 11 is composed of, for example, a roller (or a bearing ball or the like), and the diameter of the intermediate portion 11a is formed to be small so that the contact portion is made large and the suction force is strengthened. Moreover, the rotor 11 is housed in the mounting hole 20 so as to slightly project from the upper surface of the suction metal fitting 12, whereby the outer peripheral surface 3 of the hose 3 is accommodated.
A slight gap S is formed between a and the upper surface of the suction metal fitting 12. This gap S is the minimum necessary for ensuring that the rotor 11 rotates while being in contact with the outer peripheral surface 3a of the hose 3 and for preventing the attraction force from the drive magnet 9 to the attraction fitting 12 from decreasing. It is provided with dimensions.

Further, a conveyed object container 21 is attached to the lower surface side of the suction metal fitting 12, and the conveyed object container 2
1 is composed of a box holder 22 and a transport box 23 which are arranged along the vertical direction. Upper part 22 of box holder 22
a is formed in a plate shape, and the upper end is joined to the lower surface of the suction metal fitting 12. The lower portion 22b of the box holder 22 is bifurcated and is opposed to each other, and the transport box 23 is attached between the bifurcated lower portions 22b. Therefore, the suction metal fitting 12 and the transported object storage tool 21 are
It is configured to move integrally with the working piston 10 via the rotor 11 while being attracted by the drive magnet 9.

The compressed air used as the driving force of the working piston 10 is supplied to the end portion of the hose 3 via a compression pump, a control valve (valve) and the like (not shown). Hose 3 to reciprocate
It is necessary to install two sets of compression pumps or the like at both ends of. The control operation for operating the control valve and the like is the same as the conventionally known one, and the description thereof is omitted. Further, in FIG. 1, arrows A and B indicate the directions in which compressed air is supplied.

In order to convey the conveyed article 2 to a predetermined position by using the fluid pressure driven conveying apparatus 1 of this embodiment, first, the conveyed article 2 to be conveyed is placed in the conveyance box 23 of the conveyed article container 21. Then, compressed air is supplied from a compressed air supply source (not shown) to the end of the hose 3 in the direction of arrow A in FIG. Then, the working piston 10 moves in the direction of the arrow A along the axial direction inside the hose 3 due to the compressed air pressure, and accordingly, the suction metal fitting 12 and the transported object container 21.
Also moves in the same direction with the working piston 10 via the rotor 11. At this time, the rotor 11 is rotating along with the movement of the suction fitting 12. Therefore, the transported object 2 is transported to a predetermined position and stopped while sequentially moving along the transportation route on which the hose 3 is installed, and is placed in a state where it can be taken out of the transportation box 23 by the worker. When compressed air is supplied to the end portion of the hose 3 from the direction of arrow B, the suction metal fitting 12 and the conveyed article container 21 are moved by the actuating piston 10 in the direction of arrow B via the rotor 11.

As described above, in the fluid pressure driven transfer apparatus 1 of this embodiment, compressed air is used as the driving force for the working piston 10, and the hose 3 having a high degree of freedom and the working magnet 10 are attracted by the driving magnet 9 and are connected to each other. Since the suction metal fitting 12 and the conveyed article container 21 that move integrally are used, the conveyed article 2 can be quickly conveyed to a predetermined position with a relatively simple structure, and it can be used with a conventional conveying device. Compared to other guide rails, it requires less man-hours for installation. Further, since the suction metal fitting 12 is attached to the outer peripheral surface 3a of the hose 3 via the rotor 11, the friction force generated when moving along the outer peripheral surface 3a of the hose 3 intervenes the rotor 11. Can be reduced by.

FIG. 5 shows a second embodiment of the fluid pressure driven transfer device according to the present invention. The holding bracket 25 of the fluid pressure drive transfer device 24 in the same figure is bent in the middle and formed in a V shape, and one mounting piece 25a is fastened to a side wall portion 27 of the transfer line by a bolt 26, and the other is attached. One end of the hose holder 8 having the opening 8a arranged at the upper part is fastened and fixed to the mounting piece 25b by a bolt 26. In addition, the box holder 22 that constitutes the transported object container 21
The upper portion 22a of the above is bent while being extended upward so as to surround the hose holder 8, and the upper end thereof is coupled to the suction metal fitting 12 attached through the opening 8a of the hose holder 8. Other configurations, operations and carrying procedures are almost the same as those in the first embodiment.

According to the fluid pressure driven transfer device 24 of this embodiment, the same effect as that of the first embodiment can be obtained, and since the suction metal fitting 12 moves on the outer peripheral surface 3a of the upper portion of the hose 3, the transferred object can be stored. The suction fitting 12 including the tool 21 can be prevented from falling from the hose 3.

FIGS. 6 to 8 show a third embodiment of the fluid pressure driven transfer device according to the present invention. On the inner peripheral surface side of the suction metal fitting 32 in the figure, three magnets 33 extending in the circumferential direction are embedded at intervals between the rotors 11 located at the front and rear ends. Therefore, if the working piston 10 is made of a magnetic material, it is not necessary to attach the drive magnet 9 to the working piston 10 side, and it is also possible to use a non-magnetic light alloy for the suction fitting body. Therefore, the weight of the suction metal fitting 32 can be reduced. The front and rear ends 32a and 32b of the suction fitting 32 are chamfered similarly to the front and rear ends 12a and 12b of the suction fitting 12 in the first embodiment. Other configurations, operations and carrying procedures are almost the same as those in the first embodiment.

The embodiments of the present invention have been described above.
The present invention is not limited to the embodiments described above, and various modifications and changes can be made based on the technical idea of the present invention.

For example, in the above-described embodiments, the cross-sectional shape of the transfer hose 3 is formed into a circular shape, but the shape is not limited to this, and the transfer hose formed into a cross-sectional shape such as a quadrangle, a rhombus or a triangle. A hose can also be used. Along with this, it is necessary to form the working piston, which is inserted and arranged inside the transfer hose, in a corresponding shape.

[0024]

As described above, in the fluid pressure driven transfer apparatus according to the present invention, the working piston is slidably inserted along the axial direction inside the hose having a high degree of freedom to which the pressure fluid is supplied. , The outer peripheral surface of the hose is equipped with an object to be conveyed, and a suction metal fitting that is attracted by a magnet and configured to move integrally with the working piston is attached via a rotor, so that it is It is possible to quickly convey a conveyed object to a predetermined position, and the equipment is smaller in size than the conventional conveying device, and its structure is simple, so it can be installed at low cost and maintenance is easy. Yes, it is very economically advantageous. Further, in the fluid pressure driven transfer device of the present invention, unlike the conventional transfer device, a hose having a high degree of freedom is used without using a strong guide rail or a transfer carriage, so that the number of installation steps can be reduced. , Greater flexibility in design when changing routes, and excellent adaptability when changing routes. Further, in the fluid pressure driven transfer device of the present invention, since the rotor also rotates when the suction fitting moves along the outer peripheral surface of the hose, the frictional force generated between the suction fitting and the hose is reduced. It is possible to secure the smooth movement of the suction metal fitting.

[Brief description of drawings]

FIG. 1 is a perspective view showing a fluid pressure drive transport device according to a first embodiment of the present invention.

FIG. 2 is a front view showing the fluid pressure driven transfer device.

FIG. 3 is a perspective view showing an operating piston that constitutes the fluid pressure driven transport device.

FIG. 4 is a perspective view showing a suction metal fitting that constitutes the fluid pressure drive transport device.

FIG. 5 is a front view showing a fluid pressure drive transport device according to a second embodiment of the present invention.

FIG. 6 is a plan view showing a suction metal fitting that constitutes a fluid pressure drive transport device according to a third embodiment of the present invention.

7 is a cross-sectional view taken along the line CC in FIG.

FIG. 8 is a perspective view showing a suction metal fitting of the third embodiment.

FIG. 9 is a perspective view conceptually showing a conventional fluid pressure driven transfer device.

[Explanation of symbols]

 1, 24 Fluid pressure driven transfer device 2 Transferred object 3 Transfer hose 4 Ceiling 5, 6, 7 First to third holding brackets 8 Hose holder 9 Drive magnet 10 Working piston 11 Rotor 12 Adsorption metal fitting 13 Bolt 14 Pivot support Pin 15 Fastening bolt 18, 19 O-ring 20 Mounting hole 21 Transported goods container 25 Holding bracket 26 Bolt 27 Side wall 32 Adsorption metal fitting 33 Magnet

Claims (1)

[Claims] 1. A working piston is slidably fitted and disposed in an inside of a hose having a high degree of freedom to which a pressure fluid is supplied, along an axial direction, and a transport object container is provided on an outer peripheral surface of the hose. Further, a fluid pressure drive transfer device characterized in that an adsorption metal member configured to be attracted by a magnet and moved integrally with the working piston is attached via a rotor.