JPS63218033A - Method and device for inverting sheet-shaped member - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial Application Field The present invention relates to a method and device for reversing sheet-like members, and more specifically, for example, in a packaging machine for tablets, etc., the process of transferring sheet-like packages A method and apparatus for reversing a sheet-like member suitable for use in reversing the upper and lower surfaces and rotating the orientation of every other sheet-like member will be described.

(b) Conventional technology In the packaging process of packaging sheets, in order to stack the convex parts of the packaging sheets facing each other, some of the packaging sheets sent by the conveyor from the packaging sheet manufacturing equipment are turned upside down. , the uninverted version and the inverted version are superimposed. Conventional devices for reversing the top and bottom surfaces of packaging sheets include, for example, Japanese Patent Publication No. 52-38306 or Japanese Patent Publication No. 53-18.
There is one shown in Publication No. 789.

However, in the method described in Japanese Patent Publication No. 52-38306, all packaging sheets sent on a conveyor are reversed, and it is not possible to selectively reverse every other packaging sheet, so packaging sheets that are not reversed A conveyor for packaging sheets must be installed in parallel with a conveyor for inverted packaging sheets, and the packaging sheets on one conveyor must be transferred onto the packaging sheets on the other conveyor, so two conveyors in parallel are required. There is a problem with the overall size. Moreover, as shown in FIG. 6, the packaging sheet has an ear e on one edge, and the distance from the pocket at the left end, that is, the protrusion p, to the edge of the ear e! , is larger than the distance 12 from the protrusion p on the other end to the edge of the packaging sheet, but when they are stacked on top of each other in the former device, when the edges of the packaging sheets are aligned, the opposite protrusions If the protrusions of one packaging sheet are placed between the protrusions of the other packaging sheet, the edges may not be aligned as shown in Figure 7 [A]. .

On the other hand, in the method described in Japanese Patent Publication No. 53-18789, all or every other packaging sheet sent on a conveyor can be reversed, but the edges cannot be aligned as described above. I have a problem where I can't.

(c) Problem to be solved by the invention The problem to be solved by the invention is that in a reversing device for sheet-like members, the upper and lower surfaces of every other sheet-like member sent by a conveyor are The purpose is to be able to invert and rotate the direction.

(d) Means for Solving the Problems In order to solve the above problems, the first invention of the present application is to hold the sheet-like members conveyed by a conveyor using a rotating clamp device, so that the upper and lower surfaces of every other sheet-like member are In a method for reversing a sheet-like member, the sheet-like member transported by the conveyor is rotated around an axis that is substantially parallel to the transport surface of the sheet-like member and substantially perpendicular to the transport direction. and is configured to rotate every other sheet-like member about an axis substantially perpendicular to the axis.

The second invention of the present application is a sheet-like member reversing device that holds a sheet-like member conveyed by a conveyor using a rotating clamp device and reverses the upper and lower surfaces and rotates the orientation of every other sheet-like member. A housing is provided to be rotatable about an axis that is substantially parallel to the conveying surface of the sheet-like member to be conveyed and substantially perpendicular to the conveying direction, and the housing has a rotating shaft that is approximately perpendicular to the axis and extends in the radial direction. A clamp device for holding the sheet-like member is provided at the radially outer end of the fixed shaft and the rotating shaft, and a gear is attached to the radially inner end of the rotating shaft. , a gear meshing with a gear attached to the rotating shaft is rotatably provided along with the housing or alternatively relative to the housing.

(E) Effect In the second invention, when the housing is intermittently rotated and the gear concentric with the rotation axis of the housing is stopped and held, the rotating shaft and the fixed shaft rotate together with the main body around the support shaft and rotate. The shaft rotates with respect to the housing.

Therefore, when a sheet-shaped member supplied by a conveyor is received by the clamp device and sent by rotation of the housing, the sheet-shaped member held by the clamp device attached to the rotating shaft is rotated 180 degrees and the clamp device is rotated by 180 degrees, so the upper and lower surfaces are not reversed and the orientation is rotated by approximately 180 degrees. On the other hand, the sheet-like member held by the clamp device attached to the fixed shaft is turned upside down.

(F) Embodiment Hereinafter, an embodiment of the present invention will be described regarding a packaging sheet reversing device with reference to the drawings.

1 to 3, a packaging sheet reversing device 1 of this embodiment is shown. This reversing device 1 is provided close to the terminal position of the intake conveyor 60, and is arranged parallel to the conveyance surface of the packaging sheet conveyed by the intake conveyor and substantially perpendicular to the conveyance direction thereof. It comprises a drive shaft 2 rotatably supported by a bearing (not shown) in a known manner, and a housing 5 attached to the drive shaft 2 and supported for rotation with the drive shaft 2 by a key 3. There is. The drive shaft 2 is connected to an intermittent drive mechanism (not shown) of a known structure, and is driven intermittently by the intermittent drive mechanism at every predetermined angle (every 90 degrees in this embodiment).

A plurality of holes 6 (four holes in this embodiment) are formed in the housing 5 for bearings extending in the radial direction of the drive shaft 2 at equal intervals in the circumferential direction of the drive shaft. In the bearing, shafts 7 and 8 are inserted alternately into the hole 6.

The shaft 7 is a fixed shaft fixed to the housing 4, and the shaft 8
is a rotating shaft rotatably supported by the housing via a bearing 9. A clamp device WIO, 10' for holding the surface of the packaging sheet is attached to the outer ends of the fixed shaft 7 and the rotating shaft 8 (outside the housing).

Each clamping device 10.10° has a main body 11 fixed to a fixed shaft 71 and a rotating shaft 8, a plate-shaped fixed claw 12 fixed to the main body 11, and a fixed shaft 71, a plate-shaped fixed claw 12 fixed to the main body 11, and a fixed shaft 71 fixed to the rotating shaft 8. It has a slide shaft 13 attached to be movable in the direction, and a plate-shaped movable claw 14 fixed to one end of the slide shaft 13. The movable claw 14 is urged toward the fixed claw by a spring (not shown) in a known manner. This clamp device 1
When the other end of the slide shaft 13 is pressed by an external pressing device such as a bushing rod, the fixed pawl 12 and the movable pawl 14 are separated, and a sheet-like member is inserted between them.

A bevel gear 20 is attached to an end of the rotating shaft 8 inside the housing 5 . This bevel gear 2o has a bearing 2 on the drive shaft 2.
2, and meshes with a bevel gear 21 having the same number of teeth, which is rotatably mounted on the drive shaft via 2. Bevel gear 21
A spur gear 24 is fitted and fixed to the bevel gear 21 so that the spur gear 24 rotates together with the bevel gear 21.

The spur gear 24 is connected to a coupling mechanism with a brake ellipse (not shown) of known construction, via which it can alternatively be held stopped or rotated in the same direction as the drive shaft 2. It is designed to rotate at a high speed.

In the above configuration, when the bevel gear 21 and the spur gear 24 are stopped and held by the coupling mechanism, when the drive shaft 2 is intermittently rotated clockwise every 90° in FIG.
It also rotates intermittently.

The clamping device therefore pivots intermittently about the axis of the drive shaft 2. On the other hand, only the rotating shaft 8 rotates around its own axis at the same speed while rotating around the drive shaft 2 due to the action of the bevel gear. Rotate.

Under such conditions, when the drive shaft stops intermittently with the clamp device 10'' facing the receiving position A, the lower end of the slide shaft 13 (in FIG. 2) is pushed and the movable claw 14
When pushed up as shown by the chain line, the intake conveyor 60
Then, the packaging sheet is placed between the fixed claw 12 and the movable claw 14 with the convex portion p facing down. Then, the push-up of the slide shaft 13 is released, and the movable claw 14 descends to clamp the packaging sheet m. Next, when the drive shaft rotates 90' intermittently, the clamping device 10 comes to the receiving position A on the fixed shaft.
The packaging sheet steel is supplied to the clamp device 1o and clamped in the same manner as described above.

When the clamping device 10' faces toward the delivery position B, which is 180" opposite to the receiving position ffA, the clamping device 10' moves 180" around the axis of the rotary shaft 8 from the state facing the receiving position A.
Since the packaging sheet is rotated by 80 degrees, the upper and lower surfaces of the packaging sheet are not reversed, and the convex part P remains facing downward, and the ear part e
is 180° reversed as shown in FIG. On the other hand, since the clamping device 10 cannot rotate around the axis of the fixed shaft 7, when the clamping device 10 faces the delivery position B, the packaging sheet m clamped thereon is upside down, with the convex portion facing upward, but the edge portion are oriented in the same direction.

The packaging sheet m sent to the delivery position is sent onto a take-out conveyor 70 by a delivery device 50 comprising an arm 51 that swings back and forth.

Both the intake conveyor 60 and the take-out conveyor 70 have a known structure in which the packaging sheet is sent by a feed claw attached to an endless chain that circulates, and the delivery of the packaging sheet from the intake conveyor 60 to the clamp device of the reversing device 1 is also carried out as described above. It may also have the same structure as the delivery device.

Thereafter, the intake conveyor 6 is sequentially rotated intermittently by the drive shaft 2.
Turn every other packaging sheet sent by 0 upside down, and place the remaining packaging sheets along the center line 0-0 perpendicular to the top and bottom surfaces.
(Figure 2) Rotate it 180 degrees.

On the other hand, when the bevel gear 21 and the spur gear 24 are rotated at the same speed and in the same direction as the drive shaft 2, the rotary shaft 8 does not rotate with respect to the housing, so it is the same as the fixed shaft 7. Therefore, the packaging sheet web clamped by the clamping device 10.10' is completely reversed when it reaches the transfer position B, but no rotation is performed around the center line O-0.

In FIG. 4, another embodiment of the reversing device 11a is shown. In this embodiment, a disc 41 is attached to the bevel gear 21a instead of the spur gear, and adjacent to the disc, a fixed plate 42 is fixed to the frame of the device, and a rotary plate 43 is fixed to the drive shaft. and is provided. Disk 41
．． The fixed plate 421 and the rotating plate 43 have holes 44 that align with each other.
45 and 46 are formed respectively. When the bottle 47 is inserted into the hole 45 of the fixing plate 42 and the hole 44 of the disc 41, the disc 4
1, therefore, the bevel gear 21 is held stopped, and conversely the pin 47
When inserted into the hole 46 of the rotating plate 43 and the hole 44 of the disc 41, the disc 41, the bevel gear 21, and the drive shaft 2 are directly connected. Said disk 41. The fixed plate 421 and the rotating plate 43 form a coupling mechanism 40.

In FIG. 5, a further embodiment of a reversing device 1b is shown. In this embodiment, the shaft 2b is a fixed support shaft, and the bevel gear 21b is fixed to the support shaft 2b. A spur gear 24b is attached to the housing 5, and the housing 5 is intermittently rotated every 90 degrees via a spur gear 26 by a known intermittent drive mechanism (not shown). Therefore, this case is the same as the first embodiment in which the spur gear 24 is fixed and the bevel gear 21 is fixed, and cannot be used to reverse all packaging sheets.

In this example, if you want to invert all the packaging sheets, use the shaft 2b.
What is necessary is to make the spur gear 26 rotatable and rotate the spur gear 26 and the shaft 2b in the same direction and at the same speed.

(G) Effects According to the present invention, it is possible to reverse the upper and lower surfaces and rotate the orientation of every other sheet-like member sent by a conveyor using a simple device, which can be used for reversing packaging sheets. In this case, as shown in FIG. 7 [B], overlapping with the edges aligned can be easily performed using a simple device.

[Brief explanation of the drawing]

1 is a plan view showing a part of an embodiment of the reversing device for a sheet-like member according to the present invention in cross section; FIG. 2 is a sectional view taken along the line ■-■ of the reversing device in FIG. 1; The figure is a perspective view showing the relationship between the drive shaft, rotating shaft, and fixed shaft of the reversing device shown in FIG.
FIG. 4 is a plan view showing a part of another embodiment of the reversing device in cross section, FIG. 5 is a plan view showing a part of yet another embodiment of the reversing device in cross section, and FIG. The plan view and FIG. 7 are diagrams showing a state in which the packaging sheets are overlapped. 1, la, lb: sheet-like member reversing device 2: drive shaft
2b/Shaft 5: Housing 7: Fixed shaft 8: Rotating shaft 20.21.21a, 21b: Bevel gear 24.26: Spur gear Patent applicant: CKD Co., Ltd. (5 others)

Claims (1)

[Scope of Claims] 1. In a sheet-like member inversion method in which a sheet-like member conveyed by a conveyor is held by a rotating clamp device and the upper and lower surfaces of the sheet-like member are reversed and the orientation is turned every other sheet, the conveyor The sheet-like member conveyed by the sheet-like member is rotated about an axis substantially parallel to the conveying surface of the sheet-like member and substantially perpendicular to the conveyance direction, and the sheet-like member is rotated every other time about an axis substantially perpendicular to the axis. A method for reversing a sheet-like member, the method comprising: 2. In a sheet-like member reversing device that holds a sheet-like member conveyed by a conveyor with a rotating clamp device and reverses the top and bottom and rotates the orientation of every other sheet-like member, the sheet-like member being conveyed is A housing is provided to be rotatable about an axis that is substantially parallel to the conveying surface and substantially perpendicular to the conveying direction, and the housing has a rotating shaft that is substantially perpendicular to the axis and extends in the radial direction, and a fixed shaft that extends around the circumference. A clamp device for holding the sheet member is provided at the radially outer end of the fixed shaft and the rotating shaft, a gear is attached to the radially inner end of the rotating shaft, and a gear is attached to the radially inner end of the rotating shaft. 1. A reversing device for a sheet-like member, characterized in that a gear meshing with an attached gear is rotatably provided together with or relative to the housing.