JPH08157115A - Conveying device for band-like member - Google Patents

Abstract

PURPOSE: To miniaturize a conveying device, so that it may be installed in the small floor area by sucking a band-like member to the outer front surface of a loop-like permeable belt laid on upper and lower pulleys, and conveying the band-like member according to the loop-rotation of the permeable belt. CONSTITUTION: A band-like member 10 is sucked to the outer front surface of a loop-like permeable belt 14 laid on upper and lower pulleys 12 by the suction action to be generated by a blower 20, and the band-like belt 14 is conveyed according to the loop-rotation of the permeable belt 14. In this case, only one side surface of the band-like belt 10 is brought in contact with and sucked to the front surface of the permeable belt 14 and reliably conveyed. Moreover, since the band-like member 10 can be conveyed by being sucked on the surfaces on both sides of the vertically laid permeable belt 14, the conveying distance can be approximately doubled in comparison with the conventional conveyer belt making use of only upper surface. The conveying device can be miniaturized and installed in the small floor area.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a belt-shaped member conveying device.

[0002]

2. Description of the Related Art Conventionally, a general belt conveyor has been used as a belt-shaped member conveying device for feeding a thin band-shaped long belt-shaped member which can be freely wrapped around in the longitudinal direction of the belt-shaped member. The belt conveyor is wrapped around a plurality of rotating rollers in a loop, and a closed-loop belt having a horizontal transport surface continuously transports a belt-shaped member placed on the transport surface by loop rotation. be able to.

This belt conveyor is used as a conveying device in a process of performing various treatments on a belt-shaped member. For example, when a flexible printed circuit (hereinafter referred to as FPC) is manufactured, a belt-shaped member made of a polyester film, which is a base material, is heated, and deformation due to heat shrinkage or the like is forcibly generated in advance to stabilize the material. After the step (annealing step) or the circuit pattern printing step, there is a step of drying the printed surface (drying step). In these processes, it is necessary to match the processing speed and the feed speed in the preceding and succeeding processes and to expose the belt-shaped member to the atmosphere of a predetermined temperature for a predetermined time. That is, a belt conveyor is used to convey the belt-shaped member in a predetermined atmosphere section that can be calculated by the feed rate × processing time. According to this belt conveyor, since the belt-shaped member is conveyed in a state where only the lower surface of the belt-shaped member is in contact with the mounting surface which is the outer surface of the loop-shaped belt, the belt-shaped member cannot be contacted by the printing surface. It is effective for the step of drying the.

[0004]

However, since the above-mentioned conventional belt conveyor has a horizontal conveying surface and the belt-shaped member is fed in a plane, it becomes a device long in the conveying direction.
The floor area for installing the equipment must be large. Therefore, there is a problem that a factory with a large floor area is required, the cost for building the factory or its running becomes high, and eventually the manufacturing cost of the product becomes high.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a belt-shaped member conveying device which can be installed in a small floor area by downsizing the device.

[0006]

In order to solve the above problems, the present invention has the following constitution. That is, the present invention is
In a belt-shaped member conveying device for feeding a thin band-shaped long belt-shaped member that can be freely wrapped around the belt-shaped member, in a belt-shaped member conveying device, a loop is provided between a pulley arranged at predetermined vertical intervals and the upper and lower pulleys. A breathable breathable belt that is wound around in a loop, a driving device that transmits rotational power to at least one of the upper and lower pulleys, and rotates the breathable belt in a loop, and an inside of the loop of the breathable belt. A box formed into a box having a space, both side surfaces of which face the facing inner surface of the breathable belt and which has breathability, and which are provided in communication with the inner space of the box, and which are provided for loop rotation of the breathable belt. Along with this, a suction device for transporting the belt-shaped member and adsorbing the belt-shaped member on the outer surface of the breathable belt via the box is provided.

Further, the suction device is a blower, the intake side of the blower communicates with the box, and the exhaust side of the blower communicates with a duct that opens at the surface facing the outer surface of the breathable belt. The blower can be used efficiently as a suction device for sucking the belt-shaped member on the breathable belt and a device for blowing air on the surface of the belt-shaped member to be conveyed, which is efficient.

Further, by providing a body for covering the entire apparatus except the inlet and the outlet of the belt-shaped member, and a heating device arranged inside the body,
The strip-shaped member can be suitably heated by circulating heated air.

Further, the temperature of the air in the body can be suitably adjusted by providing the outside air introducing portion for opening the internal space of the body to the outside and adjusting the amount of the outside air introduced into the body. it can.

Further, since the belt-shaped member conveying device according to the first, second, third, or fourth aspect of the present invention is arranged in a line in the conveying direction of the plurality of base belt-shaped members, only one surface of the belt-shaped member is contacted. The belt-shaped member can be conveyed over a long section.

[0011]

According to the transporting device of the present invention, the belt-shaped member is attracted to the outer surface of the loop-shaped breathable belt wound around the upper and lower pulleys by the suction action, and the belt-shaped member is moved along with the loop rotation of the breathable belt. The member can be transported. Therefore, the belt-shaped member can be conveyed by adsorbing the belt-shaped members on both sides of the breathable belt that is hung up and down, so that the belt-shaped member can be conveyed at a distance longer than that of a conventional conveyor belt that uses only the upper surface. It can be doubled. In addition, since the breathable belt is hung up and down, the floor area of the device can be minimized. Since only one surface of the belt-shaped member is contacted with and sucked by the surface of the breathable belt, and the belt-shaped member is reliably transported, it can be suitably used in a process in which there is a surface to be protected during transportation.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will now be described in detail with reference to the accompanying drawings. FIG. 1 is a perspective view schematically explaining an embodiment of a belt-shaped member conveying device of the present invention. 1
Reference numeral 0 denotes a belt-shaped member, which is a thin sheet-shaped member that can be freely wrapped around and is long in a belt shape. The belt-shaped member 10 is, for example, a polyester film used as a base material of an FPC, and is wound in a roll shape before being fed into the transport device. Reference numeral 12 is a pulley, which is arranged vertically with a predetermined interval. 14 is a breathable belt, which is provided by a belt-like breathable material,
It is looped around the upper and lower pulleys 12, 12. As the breathable belt 14, for example, a mesh belt provided in a mesh shape capable of substantially uniformly breathing the entire surface, or an ordinary flat belt having many small holes may be used. 16 is a motor, and the upper pulley 1
The air permeable belt 14 is rotated in a loop by acting as a drive device for transmitting the rotational power to 2. Reference numeral 18 denotes a box, which is formed in a box shape having an internal space inside the loop of the breathable belt 14, and both side surfaces facing the inner surface facing each other of the breathable belt 14 have breathability.

A blower 20 is provided so as to communicate with the inner space of the box 18, and the belt-shaped member 10 can be conveyed as the loop of the breathable belt 14 rotates. It acts as a suction device for adsorbing the belt-shaped member 10 on the surface. Also, this blower 20
Is connected to the box 18 on the intake side, and the blower 20
The exhaust side of the is communicated with the duct 22. This duct 2
2 is bent in an L shape on both sides, and its tip end side faces the outer surface of the breathable belt 14. This breathable belt 14
An air outlet 24 is formed on the surface of the belt-shaped member 10 facing the outer surface thereof so that air can be blown to the surface of the belt-shaped member 10. As described above, the blower 20 also serves as a suction device that sucks the belt-shaped member 10 on the breathable belt 14 to convey the belt-shaped member 10 and a device that blows air on the surface of the belt-shaped member 10 that is conveyed. Has been done. The air flow first passes through the breathable belt 14 so as to adsorb the belt-shaped member 10 as shown by the arrow A, and is sucked into the box 18. Next, as shown by the arrow B, the air in the box 18 is sucked by the blower 20 and discharged into the duct 22. Then, as shown by the arrow C, the air in the duct 22 is blown from the air outlet 24 onto the surface of the belt-shaped member 10 conveyed by the breathable belt 14.

Reference numeral 26 is a heating device, which is disposed in the duct 22. Therefore, if this heating device 26 is used,
The heated air can be discharged from the outlet 24 by the blower 20, and the action of heating and the action of air flow can be obtained, which is suitable for the step of drying the print on the surface of the belt-shaped member 10. is there. Further, by providing the body that covers the entire device except the inlet and outlet of the strip-shaped member, the heated air can be circulated favorably and the strip-shaped member can be efficiently heated. By providing the body, even when the heat generating part such as the heating device 26 is not located in the duct 22, if the heat generating part is present in the body, the air can be circulated so that the heating can be efficiently performed. . This device can be suitably used as a cooling device when the heating device 16 is not used.

According to the belt-shaped member transporting device having the above-described structure, the belt-shaped member 10 is adsorbed to the outer surface of the loop-shaped breathable belt 14 wound around the upper and lower pulleys 12, 12 to make the breathable belt. The belt-shaped member 10 is conveyed along with the loop rotation of 14. At this time, only one surface of the belt-shaped member 10 is brought into contact with the surface of the breathable belt 14 to be sucked, so that the belt can be reliably transported. Therefore, it can be suitably used in the step of heating and drying the printing surface of the belt-shaped member 10 that is not allowed to come into contact with it, as in the conventional conveyor belt. Since the belt-shaped member 10 is entirely adsorbed on the outer surface of the ventilation belt 14 and conveyed, it is possible to prevent the belt-shaped member 10 from slipping with respect to the ventilation belt 14 and to reliably feed the belt-shaped member 10 in a fixed amount. Incidentally, in the conventional conveyor belt, there is one that includes a mechanism for pressing the belt-shaped member against the belt surface by blowing air so that the belt-shaped member does not slip on the belt surface.
Since the discharge air is used, the device becomes complicated and large, and the reliability of the fixed amount feeding is also poor.

Further, the breathable belt 1 hung up and down.
Since the belt-shaped member 10 can be adsorbed and conveyed on both sides of the sheet 4, the conveying distance can be doubled as compared with a conventional conveyor belt that uses only the upper surface. That is, the device can be downsized. Furthermore, since the breathable belt 14 is wound up and down, the floor area of the device can be minimized, the space of the factory can be effectively utilized, and the product cost can be reduced. .

Next, a specific embodiment will be described in detail with reference to FIGS. FIG. 2 shows a conveyor for a belt-shaped member,
FIG. 4 is a front view for explaining the inside of a part of the embodiment in which a plurality of base strip members are arranged in a line in the transport direction, and FIG. 3 is a side view for explaining the inside of the embodiment of FIG. 2. It should be noted that members having the same functions as those of the members of the embodiment shown in FIG. The pulleys 12 provided above and below are composed of two roller members 12a. A timing belt 16a is wound around the upper pulley 12 so that the power of the motor 16 is transmitted, and a tension roller 16b is arranged to give an appropriate tension to the timing belt 16a. Note that, as shown in FIG. 3, FIG. 12b is a bearing portion, and the roller member 12a
Is rotatably supported.

Further, in this embodiment, a sirocco fan is provided as the blower 20, the multi-blade portion 20a is arranged in the air chamber continuous from the inner space of the box 18, and the rotary shaft extending from the multi-blade portion 20a is rotated. Bearings possible and motor 2
It has a power transmission unit 20d that transmits the driving force transmitted from the belt 20c from 0b. The air flow circulates as shown by arrows A, B, and C as in the embodiment shown in FIG. In the heating device 26, a plurality of heat generating members 26a are formed in a duct 22 communicating with the blower,
It is arranged so that the air discharged from the blower 20 always passes through the heating device 26 and communicates with the remaining duct 22. The air thus heated passes through the duct 22 and is discharged from the outlet 24, and is blown onto the surface of the belt-shaped member 10. The heating temperature can be adjusted by selecting the number of heat generations of the heat generating member 26a.

Reference numeral 28 denotes a body, which is constituted by side plates 28a, a top plate 28b, a bottom plate 28c, etc. so as to enclose the entire apparatus except for the inlet 29a and the outlet 29b of the belt-shaped member 10. By this body 28, it is possible to prevent the heated air from being released to the outside world, to appropriately circulate the heated air, and to efficiently heat the belt-shaped member. Also,
Reference numeral 30 denotes a far-infrared heater, and a plurality of far-infrared heaters are arranged at predetermined intervals so as to face both surfaces of the breathable belt 14 stretched in the vertical direction. By irradiating the surface of the belt-shaped member 10 conveyed by the breathable belt 14 with radiation, the belt-shaped member 10 can be heated. Reference numeral 30a is a reflection plate of the far infrared heater 30, and is provided so as to efficiently irradiate the surface of the belt-shaped member 10 with far infrared rays to heat the band member 10 efficiently. The radiant heat of the far infrared heater 30 and the action of the heated air heated by the heating device 26 can efficiently heat and dry the belt-shaped member 10. Moreover, since the heating by the heating device 26 and the far-infrared heater 30 can be controlled separately, it is possible to suitably set or maintain the heating conditions. For example, when the temperature of the far infrared heater 30 is raised to change the heating condition, the temperature of the heating device 26 can be lowered so that the air is not overheated. Band-shaped member 1
Since the transport path of 0 is set up and down and the heating device 26 and the far infrared heater 30 are arranged as described above,
The strip member 10 is efficiently heated in a compact space. The floor area where the device is installed can also be reduced,
Effective use of factory space and reduction of running cost can be achieved.

Reference numeral 32 denotes an outside air introducing portion, which is the body 2
The internal space of 8 is opened to the outside, and the amount of outside air introduced into the body 28 is adjusted. A blower (for example, a sirocco fan) that sucks in the outside air can be used as a specific example of the outside air introduction unit 32. The temperature of the air inside the body 28 can be suitably adjusted by the outside air introducing portion 32. In this embodiment, the outside air introducing section 32 communicates with the internal space of the box 18 via the communication passage 32a. Therefore, since the outside air can be introduced into the internal space of the box 18 as shown by the arrow D in FIG. 3 so as not to directly contact the outside member with the belt-shaped member 10, it is possible to blow air having a more uniform temperature onto the belt-shaped surface. it can. An opening / closing mechanism that can adjust the opening / closing amount can be provided on the side surface of the box 18 or the like in order to adjust the intake amount of the sucked air. Accordingly, if the circulation amount of air is adjusted, it is possible to adjust the air temperature and the flow velocity of the air blown out from the air outlet 24, and it is possible to suitably respond to changes in the processing conditions of the belt-shaped member.

Next, with reference to FIGS. 4 and 5, a structure for smoothly rotating the breathable belt 14 in a loop will be described. As shown in FIG. 4, the rod member 34 is provided on the surface of the box 18 facing the breathable belt 14 so that the breathable belt 14 does not directly contact the outer surface of the box 18 and floats at a predetermined distance. It is arranged. A large number of holes 18a are provided on the surface of the box 18 facing the breathable belt 14 so as to have air permeability, and air is sucked through the holes 18a, so that the breathable belt 14 is provided. Both can be sucked toward the box 18 while the belt-shaped member 10 is sucked. When the breathable belt 14 is rotated in a loop by the driving force of the motor 16 in this state, the belt-shaped member 10 is conveyed along with the rotation. When the entire surface of the breathable belt 14 is in contact with the surface of the box 18, the suction force becomes excessive, and the breathable belt 14 may not be able to smoothly rotate in a loop due to its resistance. Can be solved by
By the way, a plurality of rod members 34 are regularly arranged at predetermined intervals via the frame member 34a. Further, the rod member 34 is bent into an obtuse V-shape as shown in FIG. 5, and the apex of the bent portion is aligned so as to project in a direction corresponding to the moving direction of the breathable belt (arrow E). ing. Accordingly, the rod member 34 can be prevented from continuously contacting the breathable belt 14 in the direction orthogonal to the moving direction thereof, and the breathable belt 14 is not loosened or overtensioned due to the resistance, so that the breathable belt 14 is prevented. 14 can be preferably rotated by a loop. It should be noted that the rod member 34 may be formed of a wire material having a predetermined diameter, and the outer diameter thereof can be appropriately selected depending on the usage conditions.

By arranging the belt-shaped member conveying devices configured as described above in a line in the conveying direction of the plurality of base belt-shaped members 10, a belt-shaped member conveying device line can be formed, and a belt-shaped member conveying section can be formed. The length can be set freely. As shown in FIG. 2, the belt-shaped member conveying path is such that the belt-shaped member 10 is wound around only the upper pulley 12 and is flexed in a loop between the belt-shaped member conveying devices adjacent to each other. Only the surface is brought into contact with the outer surface of the lower part of each breathable belt 14 excluding the pulley section, and the belt-shaped member 10 is set to be conveyed between a plurality of belt-shaped member conveying devices.
In addition, at the portion where the belt-shaped members 10 at the inlet and the outlet of the belt-shaped member 10 are bent in a loop between the conveyance devices of the adjacent belt-shaped members, the bottom of the loop is moved up and down within a predetermined section by the existing loop control. The belt member 10 is prevented from being overtightened or loosened.

In the above-mentioned embodiments, the description has been centered on the process of processing the FPC, but the present invention can be widely applied to the field of printing a band-shaped member or various processes. The various preferred embodiments of the present invention have been described above,
The present invention is not limited to the above-described embodiment, and it is needless to say that many modifications can be made without departing from the spirit of the invention.

[0024]

According to the belt-shaped member conveying device of the present invention,
The belt-shaped member is attracted to the outer surfaces on both sides of the loop-shaped breathable belt that is wound around the upper and lower pulleys by the action of suction air, and the belt-shaped member is conveyed along with the loop rotation of the breathable belt. The transport distance can be doubled as compared with a conventional conveyor belt that uses only the upper surface. In addition, since the breathable belt is hung up and down, the floor area of the device can be minimized. Therefore, according to the belt-shaped member conveying device of the present invention,
The device can be downsized, it can be installed on a small floor area, and overall cost reduction can be achieved.

[Brief description of drawings]

FIG. 1 is a perspective view schematically showing a belt-shaped member conveying device of the present invention.

FIG. 2 is a front view showing an embodiment of the present invention.

FIG. 3 is a side view of the embodiment of FIG.

FIG. 4 is a sectional view schematically showing a main part of the present invention.

FIG. 5 is an explanatory view illustrating a rod member according to the present invention.

[Explanation of symbols]

 10 Belt-shaped member 12 Pulley 14 Breathable belt 16 Motor 18 Box 20 Blower 22 Duct 24 Air outlet 26 Heating device 28 Body 30 Far-infrared heater 32 Outside air introduction part 34 Rod member

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location F26B 25/00 J

Claims (5)

[Claims] 1. A belt-shaped member transporting device for feeding a thin band-shaped long belt-shaped member which can be freely laid around in the longitudinal direction of the belt-shaped member, wherein: A breathable belt wound around the pulleys in a loop shape, a driving device that transmits rotational power to at least one of the upper and lower pulleys to rotate the breathable belt in a loop, and the breathable belt A box having an internal space inside the loop of the air-permeable belt, both side surfaces of which face the facing inner surfaces of the breathable belt and which are breathable; and a box which is provided so as to communicate with the inner space of the box. A belt-like member, comprising: a suction device that can convey the belt-shaped member as the belt loop rotates and that sucks the belt-shaped member onto the outer surface of the breathable belt via the box. Conveying apparatus of wood. 2. The suction device is a blower, the intake side of the blower communicates with the box, and the exhaust side of the blower communicates with a duct that opens at a surface facing the outer surface of the breathable belt. The belt-shaped member conveying device according to claim 1. 3. A body is provided which covers the entire apparatus except for the inlet and the outlet of the belt-shaped member, and a heating device disposed inside the body. 2. The belt-shaped member transport device according to 2. 4. The conveyor for a belt-shaped member according to claim 3, further comprising an outside air introducing portion that opens an internal space of the body to the outside and adjusts the amount of outside air introduced into the body. 5. A belt-shaped member conveying device line, wherein the belt-shaped member conveying device according to claim 1, 2, 3 or 4 is arranged in a line in the conveying direction of a plurality of base belt-shaped members.