JPH06102456B2 - Package sheet transfer device in package sheet opening device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an unpacking device for automatically unpacking a sheet used in a printing machine or the like from a packaging sheet in which the sheet is packaged. The present invention relates to a transfer device for sending out to an opening processing position.

(Prior Art) Japanese Patent Laid-Open No. 63-208450 as a transfer device for this type of packaging sheet.
The publication discloses a device for pushing the rear end of the uppermost packaging sheet of the packaging sheets stacked in multiple stages with a pushing body and sending it to the opening processing position.

(Problems to be Solved by the Invention) However, the prior art disclosed in the above publication may be laterally displaced during the movement to the opening processing position depending on the size, thickness, paper quality, etc. of the packaging sheet. Therefore, there is a risk that the sheet inside the packaging sheet may be damaged when opening, and there may be a case where the packaging sheet cannot be reliably opened.
Further, this prior art device is a dedicated packaging sheet device, and is not configured to deliver a stack of sheets.

Therefore, the present invention has been made in view of the above-mentioned drawbacks of the prior art and solves this problem. It is possible to reliably transfer a packaging sheet to an unsealing processing position and to improve separation between sheets in the packaging sheet. The purpose is to obtain a device which is also capable of delivering a stack of sheets.

(Means for Solving the Problem) As a means for solving this, the present invention forms a carry-in path for a carrier that suspends a packaging sheet above a transfer table, and forms a long hole on the carry-in portion side of the transfer table. And a moving hole communicating with this is formed toward the unsealing section, the paper pressing body is fitted into the elongated hole so as to be retractable, and the paper pressing body moves along the moving hole in a protruding state. A paper pushing mechanism is installed on the side of the transfer table, and side guide plates are arranged on both sides of the transfer table.The side guides can be freely moved from both sides according to the size of the packaging sheet, and the side guides can be aligned with the predetermined opening position. It is provided with a side guide operating mechanism for adjusting.

(Embodiment) An embodiment showing the configuration of the present invention in the drawings will be described in detail below.

1 and 2 show a packaging sheet transfer device A according to the present invention.
And an entire unsealing device including a packaging sheet stacking section B, a conveying section C, an unsealing processing section D, a discharging section E, a sheet storage section F, and a bulk sheet feeding mechanism section G related thereto. And
Reference numeral 1 is a wrapping sheet, and 2 is a sheet that is wrapped in the wrapping sheet 1 or stacked in bulk.

In this embodiment, the transport direction of the packaging sheet 1 is referred to as the front, the opposite direction is referred to as the rear, the front side in the width direction is referred to as the front side, and the opposite side is referred to as the back side.

In this packaging sheet transfer device A, as shown in FIGS. 3 to 6, a flat transfer table 4 is provided with a paper pushing operation mechanism 5 and a side guide operation mechanism 25.

The paper pushing mechanism 5 mounts the paper pushing base 7 on two parallel rails 6 provided on the machine frame 3 below the transfer base 4, and installs driven wheels 8 and 9 on the front and rear portions of the rail 6, respectively. Then, a drive wheel 11 rotated by a drive motor 10 attached to the machine frame 3 is attached to the rear portion of the rail 6, and a belt 12 is provided between the driven wheels 8 and 9 and the drive wheel 11.
And the belt 12 is fixedly connected to the paper pressing base 7 and slidably driven. Paper pusher installed upright at the rear of paper push stand 7.
13 is a support pestle on both sides of a rectangular paper plate 14.
15 is hung down and slidably fitted on the paper pressing base 7, and the support pestle 15
A locking piece 16 protruding from the rear end of the paper pressing base 7 is continuously provided at the lower end of the. On the other hand, a rising piece 17 is provided at the rear end of the paper pressing base 7, a guide piece 18 for guiding the support rod 15 of the paper pressing body 13 is provided, and a coil is provided between the upper end of the rising piece 17 and the locking piece 16. A spring 19 is stretched to constantly urge the paper pressing body 13 upward. Further, in order to hold the paper pressing body 13 at the lower position against the tension of the coil spring 19, a stopper which is locked to the locking piece 15 is provided.
20 and an air cylinder 21 and a guide rail 22 for operating the same are provided in the space of the machine frame 3 behind the transfer table 4. Corresponding to this paper pressing body 13, the transfer table 4 is provided with a long hole 23 at the end on the side of the conveying section C for allowing the paper pressing body 13 to project and retract.
The transporting holes 24, 24 into which the support punches 15 are fitted and slid so that they can move in a protruding state are formed in parallel in the longitudinal direction, and the packaging sheet 1 or the single sheet conveyed to the transfer table 4 is conveyed. Paper 2
Is pushed by the paper pressing body 13 and is moved forward.

The side guide actuating mechanism 25 is installed on both sides of the back and front of the transfer table 4. The guide rod 28 and the air cylinder 29 for fine adjustment are attached to the bottom plate 27 on the back side of the side guide plate 26, and the bottom plate 27 is installed below. The bottom plate moving means 30 including a guide rail provided on the machine frame 3 and a screw punch that is rotationally driven is connected to each other, and the side guide plates 26 are engaged with the notch holes 31 formed in both side portions of the transfer table 4 to form the side plate. Guide plate 26 to bottom plate moving means 30
By the two-step operation of the air cylinder 29 and the air cylinder 29, the width and width of the packaging sheet 1 can be adjusted freely depending on the size. The upper surface of the side guide plate 26 is covered with a cover 26a to smoothly guide the empty packaging sheet 1 discharged into a discharge hole 55 (described later) located above the cover 26a.

Furthermore, in order to make the transfer of the packaging sheet 1 smooth, the transfer table 4 is provided with air blowout holes 32 scattered over the entire surface.

The packaging sheet stacking unit B is configured to stack the packaging sheets 1 of the sheets 2 packaged on the lift table 40 in multiple stages or to vertically move the loosely stacked sheets 2 in a horizontal state. At that time, a glue may be applied to the central portion of the stacked packaging sheets 1 to prevent the collapse of the packaging sheets 1.

In the conveyance section C, a conveyance body 41 that moves above the packaging sheet stacking section B and the transfer table 4 is bridged, and a paper holding bar 43 is attached to an upper frame body 42 of the conveyance body 41. Bar support 44
The suction cup attachment body 46 having the suction cup 45 attached to the packaging sheet is formed in a three-layer structure capable of operating vertically.

The opening processing section D includes a side cutter mechanism 47 that cuts both sides of the transferred packaging sheet 1, a front cutter mechanism 48 that opens the tip, an upper opening mechanism 49 that vertically opens the opened packaging sheet 1, and a lower part. An opening mechanism 50 is provided.

The sheet storage unit F removes the sheet 2 from the opened packaging sheet 1 or the sheet extraction mechanism 51 for sandwiching the loose sheet 2 transferred to the opening processing unit D, A bottom plate 53 on the lift table 52 for stacking the sheets and a sheet aligning mechanism 54 for arranging the stacked sheets 2 are provided.

The discharge part E lifts the discharge hole 55 formed on one side behind the opening process D and the empty packaging sheet 1 opened in the opening process part D, and conveys the empty packaging sheet 1 to the discharge hole 55. A packaging sheet lifting / moving mechanism 56 is provided.

The bulk stacked sheet feeding mechanism section G has a paper pressing body 57 having a paper peeling piece 58 for feeding a desired amount of the bulk stacked sheets 2 stacked on the lift table 40 of the packaging sheet stacking section B. Have.

The reference numeral 59 designates an air ejection hole, in which strong air is ejected and blown between the drawn sheets 2 to promote the separation of the respective sheets 2.

Since it is configured in this way, it is sucked and hung by the suction cups 45 of the packaging sheet 1 transport bodies 41 stacked in multiple stages on the packaging sheet stacking section B, and also held by the paper holding bar 43. It is transported onto the transfer table 4. When transported to the transfer table 4, the paper holding bar 43 of the transport body 41 is transferred to the packaging sheet 1
Since it is further removed on both sides and the suction of the suction cup 45 is stopped, the packaging sheet 1 is separated from the transport body 41 and drops onto the transfer table 4. At that time, since the packaging sheet 1 is flat on the transfer table 4 from the state where both sides on the front and back sides are curved upward, the sheet 2
Is squeezed in the wrapping sheet 1 and air is blown into each of the sheets 2 to loosen it, thereby improving the separation between the sheets 2. For the packaging sheet 1 placed on the transfer table 4, the side guide plate 26 is moved to the vicinity of the packaging sheet 1 by the bottom plate moving means 30 of the side guide operating mechanism 25, and then the air cylinder 29 is actuated to move the side guide plate 26. When the stopper 20 is moved upward by stretching the air cylinder 21 of the paper pressing mechanism 5 while sandwiching the sheet from both sides of the packaging sheet 1, the tension of the coil spring 19 causes the locking piece 16 to move upward and lock. The paper pressing body 13 connected to the piece 16 projects from the long hole 23 of the transfer table 4. Then, the drive motor 10 is driven to rotate the drive wheel 11, and the belt 12 stretched between the drive wheel 11 and the driven wheels 8 and 9 is rotated, so that the paper pressing base 7 connected to the belt 12 is rotated.
Slide. As a result, the paper pressing body 13 on the paper pressing base 7 moves forward in the moving hole 24 of the transfer base 4,
The paper pressing plate 14 of the paper pressing body 13 presses the rear end of the packaging sheet 1 on the transfer table 4 and sends it to the opening processing section D. The packaging sheet 1 transferred to the opening processing section D has a side cutter mechanism on both sides.
At 47, the front end is cut open by the front cutter mechanism 48, and the cut open packaging sheet 1 is opened up and down by the upper opening mechanism 49 and the lower opening mechanism 50.
The sheet 2 in the inside is pulled out by the sheet extracting mechanism 51, sent to the sheet storage unit F, and loaded. On the other hand, the opened empty wrapping sheet 1 is lifted by the wrapping sheet lifting / moving mechanism 56 and discharged from the discharge hole 55 formed on one side behind the unsealing processing section D.

Further, when the bulk stacked sheets 2 are conveyed to the transfer table 4, the sheets 2 are arranged by the side guide operation mechanism 25 from both sides according to the size of the packaging sheet 1 in the same manner as when the packaging sheet 1 is transferred. It is transferred to the opening processing section D by the paper pressing body 13 of the operating mechanism 5.

It should be noted that the transfer device of the present invention can be incorporated as a part of a conventional device of this type instead of the device for opening the packaged sheet in the above embodiment.

(Effects of the Invention) As described above in detail with reference to the embodiments, in the present invention, since the packaging sheet hung on the carrier is dropped onto the transfer table, the sheets in the packaging sheet are loosened. Not only can the separation be improved, but even various types of packaging sheets of different sizes, thickness, paper quality, etc. can be adjusted by the side guide plates from both sides of the packaging sheet, and the packaging sheet can be pressed and moved by the paper pusher. Can be reliably guided to a predetermined opening processing position without shifting to the left and right, and at the time of opening, the packaging sheet can be reliably opened without fear of damaging the sheet in the packaging sheet. In addition, since the paper pusher operates so that it can be retracted into and out of the elongated hole, it has an excellent effect that it can also send out a sheet stack of sheets.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view of the entire apparatus embodying the present invention, FIG. 2 is a transverse sectional plan view thereof, FIG. 3 is a vertical sectional front view of a transfer table, and FIG. 4 is a vertical sectional side view of a transfer table. Is a plan view of the side guide operating mechanism, and FIG. 6 is a vertical cross-sectional side view of the side guide operating mechanism and the discharge hole portion. A …… Packaging sheet transfer device 1 …… Packaging sheet 2 …… Sheet sheet 4 …… Transfer table 5 …… Paper pushing operation mechanism 7 …… Paper pushing table 13 …… Paper pushing body 25 …… Side guide operating mechanism 26 ...... Side guide plate 41 …… Transporter

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-63-67233 (JP, A) JP-A-63-208449 (JP, A) JP-A-64-9134 (JP, A) Actual development Sho-57- 140990 (JP, U) JP-B 3-64371 (JP, B2) JP-B 2-46453 (JP, B2)

Claims (1)

[Claims] 1. A carrying-in path for a carrier in which a packaging sheet is hung is formed above a transfer table, and a long hole and a moving hole communicating with the elongated hole are formed on the carrying-in side of the transfer table toward the opening processing section. The paper pressing body is provided so as to be retractable and fit into the elongated hole, and the paper pressing mechanism is provided so that the paper pressing body moves along the moving hole in the protruding state. Place the side guide plate,
According to a size of a packaging sheet, a side guide actuating mechanism is provided to move freely from both sides to adjust the side guide so as to coincide with a predetermined opening position. Packaging sheet transfer device.