TWI809839B - Paper feeding mechanism for heat drying device - Google Patents

Abstract

Along a winding transport path 6, in the vicinity of both side edges of a sheet-like product, two endless looped cables 42 are disposed so as to be rotatable by a plurality of guide wheels 41. The guide wheels 41 are axially supported in the vicinity of a plurality of return guide sections, an entry guide wheel 48 is provided in the vicinity of an entry port 8 provided on a side wall 3 of a heating chamber 2, and an exit guide wheel 49 is provided in the vicinity of an exit port 9 on the other side wall of the heating chamber. A stopping jig 30 that stops the leading edge of the sheet-like product is provided bridging the space between the looped cables. The looped cables 42 are rotationally driven, and the sheet-like product W with the leading edge that has been stopped by the stopping jig 30 is fed along the winding transport path 6.

Description

Feeding mechanism of heating and drying device

The present invention relates to a feeding mechanism of a heating and drying device. It is a heating and drying device that conveys sheets in a conveyance path in a heating chamber while heating and drying them. When starting the heating and drying process, the sheets can be simply Objects are assembled on the transport path.

For example, in the following patent document 1, there is known a heat-drying device for a sheet, which is used to dry or anneal the formed sheet after printing or coating is applied to the surface of the continuous sheet. etc. While conveying the sheet in the heating chamber, heat and dry it.

In the heating and drying device of Patent Document 1, heating parts such as electric heaters are arranged in the heating chamber, and a plurality of guide rollers or floating rollers are arranged in the heating chamber to form a conveying path so that the sheet moves in a meandering state near the heating part. . The sheets introduced into the heating chamber are heated and dried while passing through a plurality of guide rollers or floating rollers and moving along a conveying path in a meandering state.

[Prior Art Literature] [Patent Document]

[Patent Document 1] Japanese Patent Laid-Open Publication No. 2014-219114

At the beginning of heating and drying or when the sheet is cut in the middle, the sheet is assembled through the meandering conveying path in the heating chamber. In the conventional heating and drying device, the sheet is manually operated by the operator. Assembled through winding transport paths.

Therefore, it is complicated and time-consuming to manually make the sheets pass through the meandering transport path. When the temperature of the heating chamber is high, it is necessary to wait until the heating chamber cools down for safety. Therefore, conventionally, there has been a demand for a feeding mechanism of a heating and drying device that can easily feed sheets in a short time.

The present invention is to solve the above-mentioned problems, and an object thereof is to provide a feeding mechanism of a heating and drying device that allows sheets to easily pass through a conveying path in a heating chamber in a short time.

The feeding mechanism of the heating and drying device of the present invention has a heating chamber arranged in the casing, a plurality of turning guides arranged at upper and lower positions in the heating chamber, a meandering guide part including the turning guides, and arranged in the heating chamber. A meandering conveying path, while making the continuous sheets introduced into the heating chamber meander through the meandering conveying path, while heating and drying the sheets, the feeding mechanism of the heating and drying device has a feeding mechanism along the meandering The meandering conveying path is rotatably laid by a plurality of guide wheels on two endless looped cables near the edges of both sides of the sheet, erected between the looped cables on both sides, and The fixing jig for fixing the front end of the sheet is connected to at least one of the guide wheels, and the driving means for driving the guide wheels; An entrance guide wheel is provided near the entrance of the side wall of the heating chamber, and an exit guide wheel is provided near the exit of the other side wall of the heating chamber, and the ring rope is driven by the driving means to fix the front end to the fixing fixture The sheets are fed along the serpentine transport path.

In addition, the above-mentioned feeding refers to the meandering conveying path that makes the sheet pass through the heating and drying device. The sheet is a continuous thin synthetic resin sheet or film, or a long sheet that has been printed or painted on the sheet or film. Objects, flexible circuit substrates, display switch substrates such as panel display switches, etc.

When the feeding mechanism of this heating and drying device starts to heat and dry the sheet or when the sheet is cut off in the process of processing, firstly, the front end of the sheet to be assembled is fixed on the front end of the sheet that is provided on both sides at the entrance. The fixture for fixing the looped cable drives the driving means to make the looped cable rotate in the moving direction of the sheet. In this way, the front end of the sheet held by the fixed jig of the endless cable enters the heating chamber from the entrance, passes through the guide wheels of the plurality of turning guides in sequence, and the sheet advances along the meandering conveying path. Next, the front end of the sheet conveyed to the exit is removed from the fixing jig, and the sheet is fed from the entrance to the exit through a meandering conveyance path.

In this way, the sheets can be fed and assembled very simply in a short time on the meandering transport path in the heating chamber. In addition, since the operator does not need to enter the heating chamber when assembling the sheet, the sheet can be safely and quickly assembled even when the temperature in the heating chamber is high.

Here, in the above-mentioned feeding mechanism, the endless cable moving guided by the guide wheel can move between the forward path and the return path connecting the entrance and the exit. The forward path meanders from the entrance along the meandering conveyance path. Assume that the return path can be set to return from the exit to the entrance through the upper side of the turning guide portion of the meandering transport path. According to this, even if it is a complicated meandering conveying path, the elongated sheet can be automatically passed through the heating chamber more safely and efficiently.

Also, here, the structure can be provided with a blowing pipe for floating on the above-mentioned turning guide part, a plurality of blowing holes are provided on the outer peripheral surface of the blowing pipe for floating, and the guide wheel of the loop cable is arranged on the blowing pipe for floating. Near the upper side or near the lower side.

Furthermore, here, in the above-mentioned feeding mechanism, the structure may be that the guide roller is rotatably supported on the above-mentioned turning guide part, and the guide wheel of the above-mentioned endless cable is supported on the same shaft as the guide wheel.

Also, here, the structure can be near the above-mentioned entrance guide wheel, the entrance horizontal conveying path of the sheet is provided from the entrance to the inside, and the exit horizontal conveying path of the sheet is provided near the exit guide wheel from the exit to the inside. According to this, with the simple operation of the inlet, the front end of the sheet can be fixed to the fixing jig, and at the outlet, the sheet can be easily removed from the fixing jig for assembly.

Moreover, here, in the above-mentioned feeding mechanism, the structure can be that the above-mentioned fixed jig is connected to the above-mentioned two ring-shaped cables with a long clamping rod, and the long-shaped movable clamping piece is pivotally supported on the clamping rod in a rotatable manner. on, so that the sheet is clamped between the movable clamping piece and the clamping rod.

Also, here, in the above-mentioned feeding mechanism, the structure can be that the above-mentioned fixing jig is a long installation rod connected between two looped cables in an erected manner, the clip is fixed on the installation rod, and the sheet is clamped by the clip. things.

According to the feeding mechanism of the heating and drying device of this invention, the end of the sheet inserted from the entrance of the heating chamber is fixed to the fixing jig of the feeding mechanism, and the guide wheel is rotated to drive the sheet easily in a short time. Assembled through a meandering transport path in a heated chamber.

1: Shell

2: Heating chamber

3: side wall

4: Front door

6: winding transport path

7: blower

8: entrance

9: export

10:Turning Guidance Department

11: Blowing nozzle for floating

12: Blowing nozzle for floating

13: Blowing nozzle for floating

14: Blowing nozzle for floating

15: Blowing nozzle for floating

16: Blowing nozzle for floating

17: Blowing nozzle for floating

20: Heating means

21: 1st heating plate

22: The second heating plate

23: The 3rd heating plate

24: The 4th heating plate

25: The 5th heating plate

30: Fixed fixture

30A: Fixed fixture

31: clamping rod

32: Movable clamping piece

33: Mounting stick

34: clip

40: Feeding mechanism

41: guide wheel

42: ring cord

43: Driving means

44: Entrance horizontal transport path

45: Export horizontal transport path

48: Entrance guide wheel

49: Export guide wheel

51: shell

52: Heating chamber

56: Winding transport path

58: Entrance

59: export

60:Turning Guidance Department

61: guide roller

62: guide roller

64: guide roller

65: guide roller

66: guide roller

67: guide roller

70: Feeding mechanism

71: Large guide wheel

72: ring cord

73: small guide wheel

74: Entrance guide wheel

75: Export guide wheel

76: Entrance horizontal transport path

77: Export horizontal transport path

80:fixed jig

W: Flakes

Fig. 1 is a front view showing a heating and drying device according to an embodiment of the present invention.

Fig. 2 is the right view of the heating and drying device.

Fig. 3 is a plan view of the state where the upper cover of the heating and drying device is removed.

Fig. 4 is an enlarged sectional view of IV-IV in Fig. 2 .

Fig. 5 is a perspective view of the fixing jig.

Fig. 6 is a perspective view showing another embodiment of a fixing jig.

Fig. 7 is a cross-sectional view showing a feeding mechanism of a heating and drying device according to another embodiment.

[Mode for Carrying Out the Invention]

Hereinafter, one embodiment of the present invention will be described with reference to the drawings. As shown in Figures 1 to 4, the housing 1 of the heating and drying device is in the shape of a vertically long cuboid. On the side wall 3 of the housing 1, the inlet 8 for introducing the sheet is set on one of the side walls, and the outlet 9 for leading out is located on the side wall. the other side wall. A front door 4 is installed at the front portion of the housing 1 .

As shown in FIG. 4 , a heating chamber 2 is provided in the casing 1 , and a meandering conveyance path 6 for meandering the sheet is arranged in the heating chamber 2 . A feed mechanism 40 to be described later is arranged so as to pass sheets along this meandering conveyance path 6 from the entrance 8 to the exit 9 .

In the meandering transport path 6, a plurality of turning guides 10 are provided at the upper position and the lower position in the heating chamber 2 to move the sheet in a meandering manner. Below the inlet 8 and the outlet 9, there are blowing pipes 16, 17 for floating to guide the flakes into or out from the inside.

The turning guide part 10 is made up of blowing pipes 16, 17 for floating at the entrance and exit, two blowing pipes 14, 15 for floating at the upper position, and three blowing pipes 11, 12, 13 for floating at the lower position. The meandering conveyance path 6 that conveys the sheet material in a meandering manner has blowing pipes 14 and 15 for floating on the turning guide part 10 at the upper part, and blowing pipes 11 and 15 for floating on the turning guide part 10 at the lower part. 12, 13. The sheet W is alternately hung on the blowing pipes 14 , 15 for floating and the blowing pipes 11 , 12 , 13 for floating, and moves in a meandering manner. Moreover, blowing pipes 16 and 17 for flotation are arranged near the inlet 8 and the outlet 9 . The structure is to blow air from the surfaces of the floating blowing pipes 11 to 17 to make the sheet W float and move. The driving device for moving the sheet W is driven by an external coiler or the like.

Blowing pipes 11 to 17 for floating are provided with a plurality of holes on the outer peripheral surface of the lower part of the pipes, and the ends of the pipes are connected to the air supply conduits of the blowing device 7 . The air supplied from the blower 7 is ejected from holes provided on the peripheral surface of the pipe. The blowing pipes 11 to 17 for floating are formed in a semi-cylindrical or quarter-cylindrical shape, and a plurality of holes are perforated on the peripheral surface thereof, from which the air is ejected to the outer peripheral portion, and the air passing through the outer peripheral portion of the pipe is blown on one side. The flaps are guided by floating, one side passing through the turning section.

In this way, the blowing pipes 11 to 17 for floating are arranged on the upper part, the lower part and the entrance and exit of the turning guide part 10, so that when the sheet W passes through the turning guide part 10, the contact or excessive friction of the sheet W against the pipes is avoided. Therefore, the web W is moved well.

As shown in FIG. 4 , in the heating chamber 2 , plate-shaped heating means 20 are arranged vertically at intervals. The heating means 20 is made up of the 1st heating plate 21, the 2nd heating plate 22, the 3rd heating plate 23, the 4th heating plate 24 and the 5th heating plate 25. Above, the second heating plate 22 is vertically installed directly below the blowing pipe 14 for flotation. Similarly, the 3rd heating plate 23 is installed directly above the blowing pipe 12 for floating, the 4th heating plate 24 is installed directly below the blowing pipe 15 for floating, and the 5th heating plate 25 is installed vertically on the blowing pipe 12 for floating. Directly above the nozzle 13.

For the first heating plate 21, the second heating plate 22, the third heating plate 23, the fourth heating plate 24, and the fifth heating plate 25, for example, carbon heaters, graphite heaters, sheath heaters, and ceramic heaters can be used. Such as far-infrared plate heaters, or PTC surface heaters, etc. For example, when the heating plate uses a graphite heater with a graphite carbon planar heating element, it can be easily formed into a plate shape, and the surface can be coated with graphite, etc., and blackened to improve the heat generation and heat dissipation effects.

In this way, the structure is that the upper and lower positions of the two floating blowing pipes 14, 15 on the upper part and the three floating blowing pipes 11, 12, 13 on the lower part are alternately staggered and the turning guide part 10 is arranged as shown in Figure 4. As shown, a meandering conveyance path 6 meandering up and down is formed for the sheet moving in the heating chamber 2 . Heating means 20 , that is, a first heating plate 21 , a second heating plate 22 , a third heating plate 23 , a fourth heating plate 24 and a fifth heating plate 25 are arranged on both sides of the straight portion of the meandering conveyance path 6 .

With this structure, the meandering transport path 6 can move a very long sheet while being fixed in the heating chamber 2 for a sufficient time required for drying. In addition, by this, the housing 1 having the heating chamber 2 can be very downsized, and the installation place of the device can also be very space-saving. Furthermore, the heating means 20 are disposed close to both sides of the straight portion of the sheet moving on the meandering conveyance path 6, so that the sheet is efficiently heated and dried with less power consumption.

When starting to heat and dry, etc., make the sheet pass through the feeding mechanism 40 of the meandering transport path 6, as shown in Figures 4 and 5, and lay two looped cables 42 along both sides of the meandering transport path 6 from the entrance 8 To the exit 9 to form, the fixing jig 30 for fixing the sheet W is installed between the ring ropes 42 on both sides. Two endless ropes 42 are made of endless chains, wires, etc., and the endless ropes 42 are hung on a plurality of guide wheels 41 such as sprockets, pulleys, guide rollers and the like to be laid.

As shown in FIG. 4 , the feeding mechanism 40 is configured to meander along the meandering transport path 6 to transport the sheet W on the forward path from the entrance 8 to the exit 9, and on the return path from the exit 9 to the entrance 8, The endless cord 42 is arranged so that it may return to the entrance 8 straightly through the upper side of the turning guide part 10 in the heating chamber 2 in a horizontal direction.

The guide pulleys 41 guiding the endless rope 42 are arranged at a plurality of places along the forward path and the return path of the feeding mechanism 40 as described above to guide the endless rope 42 to be conveyed. Also, as shown in FIG. 4 , the guide wheels 41 are arranged along the meandering conveyance path 6 along the forward path from the entrance 8 to the exit 9 (from right to left), and are arranged in the turning guide portion 10 constituting the meander conveyance path 6. The flotation is near the nozzle pipes 11-17.

Also, an entrance guide wheel 48 is provided at the entrance 8, and the entrance horizontal conveying path 44 of the sheet is horizontally arranged in the entrance 8 by making the endless cable 42 pass through the entrance guide wheel 48 horizontally. Similarly, an outlet guide wheel 49 is set at the outlet 9, By making the endless rope 42 pass through the outlet guide wheel 49 horizontally, the outlet horizontal transport path 45 of the sheet is horizontally arranged in the outlet.

That is, the inlet guide wheel 48 is disposed inside the inlet 8 so as to guide the fixing jig 30 of the endless cable 42 from the inlet 8 to the inside. Similarly, the outlet guide wheel 49 is configured in the outlet 9 to guide the fixing jig 30 of the endless cable 42 out of the outlet 9 . Thereby, when feeding, the work of fixing the front end of the sheet to the fixing jig 30 can be easily performed in the horizontal conveying path 44 at the entrance, and the sheet can be easily removed from the fixing jig 30 in the horizontal conveying path 45 at the exit. front end of the object.

The guide wheels 41 at each position, the entrance guide wheels 48 and the exit guide wheels 49 are arranged to be freely rotatable by supporting the sprockets etc., and are pivotally supported on both sides of the meandering transport path 6 . When two endless cables 42 were chains, the guide wheel 41 was a sprocket wheel, and when the endless cables 42 used lines, the guide wheels 41 were pulleys and guide rollers. The guide wheels 41 other than the drive guide wheels are all driven wheels.

A driving means 43 using, for example, an electric motor is connected to any pair of driving guide wheels 41 , and the driving means 43 drives the guide wheels 41 to rotate, thereby rotating the endless rope 42 at a low speed. As the driving means 43, besides an electric motor, a manual rotating machine such as a crank that is manually rotated may be used.

字形的可動夾持片32可開闔地樞支於夾持棒31之端部而構成。片狀物W之前端夾持於夾持棒31與可動夾持片32之間。如圖4所示，此種固定治具30亦可於環狀索42上隔開適當之間隔來安裝複數個。 As shown in FIG. 5 , the fixing jig 30 for fixing the front end of the sheet is installed between the ring cables 42 on both sides. The fixed jig 30 of the example of Fig. 5 is that a clamping rod 31 (square rod) is erected between the ring cables 42 on both sides, and the elongated and cross-sectional

The font-shaped movable clamping piece 32 is pivotally supported on the end of the clamping rod 31 to form a structure. The front end of the sheet W is clamped between the clamping bar 31 and the movable clamping piece 32 . As shown in FIG. 4 , a plurality of such fixing jigs 30 can also be installed on the ring cable 42 at appropriate intervals.

FIG. 6 shows a fixing jig 30A of another embodiment. This fixing jig 30A installs a mounting rod 33 (square rod) between the ring cables 42 on both sides, and installs two clips 34 on the mounting rod 33, and is configured to clamp the sheet with the clips 34. The front end of the object W. Also, the double-sided adhesive tape can be attached to the installation rod, and the front end of the sheet W can be attached and fixed on the double-sided adhesive tape as a simple fixing tool.

Next, the operation of the feeding mechanism of the heating and drying apparatus having the above-mentioned structure will be described. The sheet W to be dried or heat-treated is a continuous thin synthetic resin sheet or film, or a long sheet that has been printed or painted on the sheet or film, flexible circuit board, panel display Switches and other display switch substrates, or continuous metal foil or synthetic resin sheets that have been annealed, etc.

The continuous sheet W is wound on an unwinder not shown in the figure. Before starting the heating and drying process, the front end of the sheet W is pulled out from the unwinder, as shown in FIG. fixed to the fixture 30. At this time, the driving means 43 is driven, and the position of the fixing jig 30 of the feeding mechanism 40 is moved to the position of the entrance 8, that is, the position of the entrance horizontal transport path 44 and fixed. In this state, the front end of the sheet W is clamped and fixed by the fixing jig 30 located at the entrance horizontal transport path 44, the driving means 43 is driven, the guide wheel 41 is rotated, and the endless rope 42 is moved toward Rotate and move in the direction of the arrow in Figure 4. In this way, since the horizontal conveying path 44 is set at the entrance 8 of the meandering conveying path 6 of the sheet W, the fixing jig 30 stops there, so the operator can view the fixing jig 30 from the entrance 8 and easily use it. The front end of the sheet W is clamped by the fixing jig 30 .

Driven by the rotation of the endless rope 42, the front end of the sheet W fixed to the fixed jig 30 takes its printing surface and other surfaces as the upper surface, enters from the entrance 8, and advances downward from the entrance 8 with the blowing nozzle 16 , the turning guide part 10 of the floating blowing pipe 11 on the lower side turns and advances upwards. Thereby, the sheet W is hung from the blowing pipe 16 for floating to the blowing pipe 11 for floating on the lower side.

Further, by the rotation drive of the guide wheel 41 and the endless cable 42 of the feeding mechanism 40, the front end of the sheet W fixed on the fixed jig 30 rises, reaches the blowing pipe 14 for floating on the upper side, and turns here. , go further, go down. Then, after the sheet W reaches the blowing pipe 12 for floating on the lower side, it turns there and advances upward. Next, after the sheet W reaches the blowing pipe 15 for floating on the upper side, it turns there and advances downward.

Furthermore, after the front end portion of the sheet W fixed to the fixing jig 30 reaches the blowing pipe 13 for floating on the lower side, it turns there and advances upward. Finally, it reaches the outlet horizontal conveyance path 45 provided in the vicinity of the outlet 9, passes through the blowing pipe 17 for flotation, and is led out from the outlet 9. Because the outlet 9 is provided with an outlet horizontal transport path 45, the operator can easily remove the front end of the sheet W from the fixing jig 30, and lead the front end to a coiler not shown in the figure.

In this way, when heating and drying starts, the sheet W passes through the floating blowing pipes 11-17 of the upper and lower turning guides 10 in the heating chamber 2 while passing through the meandering conveyance path 6 by the action of the feeding mechanism 40. For assembly, the operator can simply and quickly assemble the sheet W into the heating and drying device without opening or entering the inside of the casing 1 .

That is, even if it is the meandering conveyance path 6 that meanders up and down in the heating chamber 2, by using this feeding mechanism, the sheet W can be fed to the turning guide portion 10 of the meandering conveyance path 6 very easily in a short time. Floating is easily assembled with blowing nozzles 11-17. In addition, since the operator does not need to enter the heating chamber 2 when assembling the sheet W, the sheet W can be assembled safely and quickly even when the temperature in the heating chamber 2 is high.

Fig. 7 shows the feeding mechanism of another embodiment of the heating and drying device. As shown in Figure 7, the structure of this heating and drying device is that in the heating chamber 52 of the housing 51, the turning guide part 60 of the sheet W is arranged at the upper position with the guide rollers 64, 65, and the guide rollers 61~63 are arranged at the upper position. In the lower position, guide rollers 66 and 67 are arranged near the entrance 58 and the exit 59, and convey the elongated sheet W while meandering up and down.

As shown in FIG. 7 , the guide rollers 64 and 65 at the upper position and the guide rollers 61 to 63 at the lower position form a meandering transport path 56 for the sheet W, and the sheet W is hung on this meandering transport path 56 The guide roller 61～67, and meandering moves up and down as Fig. 7. The guide rollers 61~67 are rotatably pivoted at their respective positions, and follow the movement of the sheet to rotate drivenly.

The conveyance of the sheet W in the heating chamber 52 is performed by a sheet coiler installed outside the heating and drying device, or a driving device of a puller that pulls the sheet out from a roll and sends it out. In addition, the drive device for conveyance of the sheet W may be provided in the heating and drying device. The heating chamber 52 is connected to a heating air supply device not shown in the figure through a conduit, so that the heating chamber 52 can be supplied with heating air for heating.

Furthermore, as shown in FIG. 7 , the large-diameter large guide wheel 71 of the feed mechanism 70 is rotatably supported on the same shaft as the guide rollers 61 to 65 disposed on the turning guide portion 60 . In addition to the above-mentioned large guide wheel 71, the guide wheels of the feeding mechanism 70 are arranged on the upper part of the heating chamber 52, near the entrance 58, and near the exit 59. They are pivotally supported freely and arranged along the meandering transport path 56. . The entrance guide wheel 74 is arranged at the entrance 58 so as to protrude from the entrance 58 , and the entrance horizontal transport path 76 is arranged in a horizontal state together with the small guide wheel 73 deep in the entrance 58 . Also, the exit guide wheel 75 is arranged at the exit 59 so as to protrude from the exit 59, and the exit horizontal transport path 77 is arranged in a horizontal state together with the small guide wheel 73 in the depth of the exit 59.

These large guide wheels 71 and small guide wheels 73 are disposed on both sides of the meandering transport path 56 when the housing 51 is viewed sideways, and ring ropes 72 are erected respectively on the large guide wheels 71 and the small guide wheels 73 on both sides, As shown in FIG. 7 , the endless rope 72 is meanderingly arranged along the meandering conveyance path 56 . A fixing jig 80 similar to the fixing jig shown in FIG. 5 or FIG. 6 is connected between the loop cables 72 on both sides, and the front end of the sheet W is clamped and fixed by the fixing jig 80 . Two endless cables 72 are made of endless wires, etc., and are hung on plural guide wheels 71 and small guide wheels 73 such as pulleys and guide rollers, and are laid.

As shown in FIG. 7 , the feeding mechanism 70 is configured to meander along the meandering conveying path 56 to convey the sheet on the forward path from the entrance 58 to the exit 59, and on the return path from the exit 59 to the entrance 58, the The endless cord 72 is arranged so as to return to the entrance 58 straightly through the upper side of the turning guide part 60 in the heating chamber 52 in the horizontal direction.

Also, as shown in FIG. 7 , an entrance guide wheel 74 is provided at the entrance 58 , and the entrance horizontal conveying path 76 of the sheet is set in the entrance 58 in a horizontal posture by making the endless rope 72 pass through the entrance guide wheel 74 horizontally. Similarly, an outlet guide wheel 75 is provided at the outlet 59, and the outlet horizontal transport path 77 of the sheet is set in the outlet 59 in a horizontal posture by making the endless cable 72 pass through the outlet guide wheel 75 horizontally. Thereby, when feeding, the operation of fixing the front end of the sheet to the fixing jig 80 can be easily performed in the horizontal conveyance path 76 at the entrance, and the front end of the sheet can be easily fixed in the horizontal conveyance path 77 at the exit. Remove from the fixing jig 80 .

A driving means such as an electric motor is connected to any pair of guide wheels 71 or small guide wheels 73, and the guide wheels 71 etc. are rotationally driven by the driving means, and the ring rope 72 is rotationally driven at a low speed. As a driving means, besides an electric motor, a manual rotary machine such as a manual rotary crank can be used. The heating and drying device is a structure in which the hot air generated by the hot air generating device not shown in the figure is sent to the heating chamber 52 by a blower to heat the inside.

Next, the operation of the feeding mechanism of the heating and drying device with the above-mentioned structure will be described. The sheet W to be dried or heat-treated is wound on an unwinder not shown in the figure. Before starting the heating and drying process, the front end of the sheet W is pulled out from the unwinder, and inserted into the heating chamber 52 from the inlet 58 of the heating and drying device as shown in FIG. 7 . At this time, the driving means is driven to move the position of the fixing jig 80 of the feeding mechanism 70 to the position of the entrance 58 and fix it at the position of the entrance horizontal transport path 76 .

In this state, the front end of the sheet W is clamped and fixed by the fixing jig 80 , and the driving means is driven to rotate the endless cable 72 in the direction of the arrow in FIG. 7 . At this time, the fixing jig 80 that has fixed the front end of the sheet W enters the interior from the entrance horizontal conveying path 76 of the entrance 58, and advances from the small guide wheel 73 near the guide roller 66 to the same position as the guide roller 61 below. Large guide wheel 71 on the axle. As a result, the sheet W is passed from the guide roller 66 to the guide roller 61 to advance.

Further, the fixed fixture 80 turns upwards from the large guide wheel 71 on the same axis as the guide roller 61, and advances to the large guide wheel 71 on the same axis as the guide roller 64 at the upper position, and further, the fixed fixture 80 Turn downwards from the large guide wheel 71 on the same axis as the guide roller 64, advance to the large guide wheel 71 on the same axis as the guide roller 62 of the lower position, and turn upwards at this large guide wheel 71. Thereby, the sheet W is hung from the guide roller 61 to the guide roller 62 through the guide roller 64 , and meanders forward.

In this way, the front end of the sheet W passes through the guide rollers 65, 63, passes through the guide roller 67 near the exit 59, reaches the exit horizontal transport path 77, and is sent out from the exit 59 to the outside. In this way, the sheet W is arranged along the meandering conveyance path 56 in the heating chamber 52 and hung on the guide rollers 61 to 67 . In this state, the drive of the guide wheel of the feeding mechanism 70 is stopped, and the front end of the sheet W exposed at the outlet 59 is stretched and connected to a coiler not shown in the figure. In this state, heating and drying in the heating chamber 52 is started, hot air is supplied into the heating chamber 52 , and the sheet W is heated and dried in the heating chamber 52 while being conveyed on the meandering conveyance path 56 .

1: shell

2: Heating chamber

3: side wall

6: winding transport path

8: entrance

9: export

10:Turning Guidance Department

11: Blowing nozzle for floating

12: Blowing nozzle for floating

13: Blowing nozzle for floating

14: Blowing nozzle for floating

15: Blowing nozzle for floating

16: Blowing nozzle for floating

17: Blowing nozzle for floating

20: Heating means

21: 1st heating plate

22: The second heating plate

23: The 3rd heating plate

24: The 4th heating plate

25: The 5th heating plate

30: Fixed fixture

40: Feeding mechanism

41: guide wheel

42: ring cord

43: Driving means

44: Entrance horizontal transport path

45: Export horizontal transport path

48: Entrance guide wheel

49: Export guide wheel

W: Flakes

Claims (3)

A feeding mechanism for a heating and drying device, comprising: a heating chamber set in a housing; a plurality of turning guides set at the upper and lower positions of the heating chamber; a meandering transport path including the turning guides and set at In the heating chamber; on the one hand, the continuous sheets introduced into the heating chamber meander through the meandering transport path, and on the other hand, the sheets are heated and dried. The feeding mechanism of the heating and drying device also includes: two endless loops The cable is rotatably laid near the edges of both sides of the sheet by a plurality of guide wheels along the meandering transport path; the fixing jig is installed on the two sides The front end of the plate is fixed between the endless cables; the driving means is connected to at least one of the guide wheels to drive the guide wheels; An entrance guide wheel is provided near the entrance of the side wall of the heating chamber, and an exit guide wheel is provided near the exit of the other side wall of the heating chamber, and the ring rope is driven to rotate by the driving means, and the front end is fixed on the The sheet of the fixed jig is fed along the meandering conveying path; the guide roller guiding the sheet is rotatably supported on the turning guide part, and the large guide wheel guiding the endless cable is supported on the guide wheel on the same axis. The feeding mechanism of the heating and drying device as claimed in claim 1, wherein the fixed jig erects a long clamping rod between the two looped cables, and a long movable clamping piece is rotatably The shaft is supported on the clamping rod, and the sheet is clamped between the movable clamping piece and the clamping rod. The feeding mechanism of the heating and drying device according to claim 1, wherein, The fixing jig is erected and connected between the two ring cables by a long installation rod, and the clip is fixed on the installation rod, and the sheet is clamped by the clip.

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