JPH01210300A - Manufacture device of cut blank of paper vessel and the like - Google Patents

Abstract

PURPOSE:To make it possible to efficiently manufacture a blank of paper vessel, etc., by providing a cutting section for making a cut into a printed paper abutted on a front abutting part and stopped here in the rear part of the front abutting part provided at the head part of a printed paper acceptance/delivery conveyor, and providing a blanking section for blanking the cut part. CONSTITUTION:First, a printed paper P printed in a printing section 1 having a rotary printing drum is continuously transported from a discharge section 2 to an acceptance/delivery conveyor 3. The printed paper P is once abutted on a front abutting part 4 at the head part of the acceptance/delivery conveyor 3 and stopped, and a cut following the configuration of a blank is cut into the printed paper P stopped here by a cutting section 6 provided in the rear part of the front abutting part 4. The cut part cut by the cutting section 6 is transported to a blanking section 7 by a transporting chain 8 and blanked by the blanking section 7. The blank P1 is placed on carrying table 9 and the cut-remainder P2 is transported through a discharge conveyor 12 to a discharge bucket 13, and then discharged.

Description

Detailed Description of the Invention [Industrial Application Field] The present invention involves applying desired printing to a paper such as paperboard, cutting it out into a blank of a predetermined shape such as a folding carton, and stamping it into an ITL.
This invention relates to an apparatus for manufacturing blanks for paper containers and the like by performing a punching process.

[Prior Art] Conventionally, when manufacturing blanks such as paper containers, a sheet-fed printing machine prints a predetermined pattern on a paperboard as a base material, and the printed paperboard is placed on an IJI paper loading table. After loading the
In order to punch and handle the paperboard into a predetermined shape, the printing board on the loading table is cut and cut into a predetermined blank shape using a separate punch-cutting section.
Next, it is punched and formed into the shape of the cut blank using a punching machine.

[Problems to be Solved by the Invention] According to the above-mentioned conventional punching blank manufacturing apparatus, the printing process and the cutting and punching handling processes are manufactured through discontinuous manufacturing processes using individual manufacturing lines. As a countermeasure against the inefficiency of manufacturing folding cartons, etc. using sheet paperboard, it is desirable to have equipment that can perform each of printing, cutting, and punching as a continuous process. It was rare.

In response to such conventional demands, the present invention C has been developed to technically solve this problem, and it is possible to produce paperboard for folding containers in the form of single sheets, so that everything from printing to blank formation can be carried out in one continuous process. (I)
? The challenge is to serve the public.

[Means for Solving the Problems] As a means for solving these problems, the present invention provides a printing section for sheet-fed printing paper and a υ1 sheet for discharging the printed paper printed in this printing section. a delivery conveyor that receives the printing paper from the paper discharge part and continuously conveys it; a front part that temporarily stops the printing paper in contact with the tip of the delivery conveyor;
At the rear of this front section, there is a cutting section that cuts the printed paper into a punched blank shape, a section that punches out the part cut out by the cutting section, and a section that handles punching out the parts cut out by the cutting section. A handling blank loading section is installed at the bottom and a punched waste discharge section is installed at the rear. In addition, a lower auxiliary paper ejection section and a lower auxiliary paper ejection section are provided above and below the paper ejection section, respectively. Furthermore, among the printing paper received from the lJ1 paper section and conveyed sheet by sheet at a predetermined interval by the delivery conveyor, -3 = contact with the front abutment section of the Iζ printing paper and the rear end of the Iζ printing paper. It is characterized by a structure that includes a lifting mechanism for slipping into the lower side.

[Function] According to the device of the present invention, each operation of printing, cutting, and punching can be performed continuously in a series of about 5 on the same line,
Blanks can be manufactured by sending out printed paper from a printing unit equipped with a printing I-shape 1 that operates in a rotary or reciprocating manner, and then smoothly transporting the printed paper to a cutting unit and a punching unit that continuously operate in a reciprocating manner.

In addition, 5 printed paper (paperboard) that is continuously printed 1/1 paper is
When the printing paper is delivered to the cutting and cutting section, it is stopped at a glance just before it is carried, and the leading edge of the following printing paper is always inserted under the trailing edge of the preceding stopped printing paper before being fed. Therefore, collision between the first printing paper and the following printing paper is avoided, and the first printing paper, which is on top of the succeeding printing paper and has less frictional resistance, can be sent to the cutting section, and printing and cutting operations are continuous. Despite the operation, there is no problem in receiving (transferring), conveying, and processing the printed paper to the cutting and cutting section.

Moreover, the jU1 paper section is connected to the main delivery conveyor for the 11th paper section, and the auxiliary paper ejection section is connected to the -L below. ,
It is possible to temporarily discharge paper to some of the auxiliary 1/1 paper units while the printing operation in the printing unit continues without stopping. In addition, when adjusting the print register or color temperature in the printing section at the start of printing, the print sample at the start of printing can be ejected to the lower auxiliary paper ejection section for viewing. By discharging a portion of the paper as a print sample to the lower auxiliary paper discharge section, it becomes possible to check and adjust the finished state of the print. In addition, the printing section and the cutting section are operated, and the
- If the punching section such as the ripping station and/or blank handling station is stopped, printing and punching can be performed, and the printed paper on the folding carton without forming a blank can be discharged to the paper discharge section.

[Examples] Hereinafter, the present invention will be explained in more detail with reference to illustrated examples.

Reference numeral 1 denotes a printing unit, which is composed of a printing machine equipped with a printing cylinder that operates reciprocatingly and printing units 1 of - to several colors, which is driven by a driving motor M1, and performs predetermined printing on printing paper. After the ink is dried using the ultraviolet drying device 1a, it can be discharged one by one onto the paper discharge section 2.

The paper discharge section 2 is equipped with an endless delivery chain 2a, and this delivery chain is provided with gripping claws 2b at equal intervals to transfer the printed paper P discharged from the printing section 1 to the delivery conveyor 3. In addition, the paper section 2 is designed to be able to perform three types of paper ejecting operations, that is, normally the printing paper P is transported to the delivery conveyor 3, but as mentioned above, troubles may occur. At the time of generation or printing status check, the paper can be conveyed to the upper auxiliary paper discharge section 2U or the lower auxiliary paper discharge section 2D.

The delivery conveyor 3 is for receiving the printing paper P from the 1-1 paper section 2 and conveying it to the rear processing culm, and as shown in FIG. A front abutment part 4 is provided at the rear end of the second conveyance path, and the rear end of the printing paper P stopped in contact with this front abutment part is lifted up for subsequent printing. A lifting mechanism 5 is provided for causing the front end of the paper to slip under the front end of the paper.

The lifting mechanism 5 is, for example, a single-blade flap that has a fulcrum below the conveyance path surface, and whose tip portion intermittently lifts and projects slightly upwardly from the bottom of the conveyance path via this fulcrum; Alternatively, a rotary impeller 5a having a plurality of flaps arranged radially around a rotation axis as shown in FIG. 3 may be used.

If the flap has a single blade, lift the rear end of the printing paper P that has stopped in contact with the front abutment part 4, and insert the front end of the following printing paper under the flap while moving the flap at a speed faster than the conveyance speed. It is forcibly moved in the transport direction by operation,
Subsequently, by self-avoiding downward from the conveyor, the trailing edge of the printing paper overlaps the leading edge of the following printing paper. Thereafter, the flap returns to the lower part of the transport upstream conveyor below the conveyor. The rotary impeller 5a
In this case, it can be rotated at a predetermined speed at a fixed position.

The processes after the delivery conveyor 3 include a cutting section 6 and a punching section 7.
It is wound around the sprocket 8b, and the gripping claw 8
The printing paper P is successively and intermittently transported by an endless transport chain 8 attached to the paper P, and is subjected to a predetermined processing.

The cutting section 6 includes a fixed support plate 6b to which a cutting blade 6a is attached, and a pressing surface plate 6G that swings up and down,
A predetermined cutout is made on the printing paper P conveyed by the conveyance chain 8. This cutting section 6 is driven by a driving motor M2, which rotates a crank, and an operating arm attached to the crank drives the surface plate up and down.

This driving motor M2 and the motor Ml of the printing section 1 are electrically connected by a pulse generator PG, and the printing process line and the processing process line are synchronized via the delivery conveyor 3 as shown in FIG. The timing is set so that the printing section 1 and the delivery conveyor 3 can be operated independently by the driving motor M1, and the delivery conveyor 3, the cutting section 6, and the punching section 7 can be operated independently by the driving motor M2. be. This is to ensure that even if a problem occurs in one, the other will continue to operate.

The punching section 7 is a ripping station 7 to the first half 1.
a and a blanking station 7b in the latter half, and the helipping station 7a has an upper support plate 7d having a pin 7G for punching out the small hole cut by the cutting section 6, which swings up and down. The lower support plate 7e corresponding thereto is fixed and synchronized with the vertical movement of the cutting section 6. The upper support plate 7d can be moved up and down by a crank mechanism similar to the mechanism that operates the surface plate 6C of the cutting section 6. The blanking station 7b is covered by an upper support plate 7f for punching that swings up and down, and a lower support plate 7q is fixed thereto. The vertical swinging motion of the upper support plate 7d of the stripping station and the upper support plate 7f of the blanking station can be performed by a crank mechanism, but the crank shaft of the cutting and cutting section 6 is not used to drive the crank mechanism. It can be operated in conjunction with gears or a power transmission shaft.

In addition, in the cutting section 6, the upper support plate 6b side is used, and in the stripping station 7a, the upper support plate 7d side is used.
, 7e may be configured to move up and down, respectively. Reference numeral 9 denotes a mounting table, which is provided below the blanking station 7b so as to be able to rise and fall, and moves down in stages from a fixed position below the punching-■ mold, and then moves upward to the fixed position again. , blanks P formed by beating sequentially
1 can be loaded via pallets i, etc. The surface of this loading platform 9 can be in the form of a bell 1 or roller-like con-hair type, and furthermore, as shown in the figure, the loading platform 9
Wheels 10 may be provided on the F side of the vehicle so that the vehicle can move on the rails 11.

Reference numeral 12 denotes a one-output conveyor, which is installed at the rear of the punching section 7 and is capable of extracting the waste P2 and discharging it to the waste discharge box 1 or to the loading/discharging table 13.

Incidentally, waste disposal buckets 1 to 14 are also provided below the stripping station 7a, so that the waste produced by the stripping operation can be stored therein. Also,
If a mechanism for moving and retracting the υ1 output conveyor 12 to the side, for example, is adopted, printing/cutting 1)j.

Paper can be stacked and discharged into the 11 paper section 15.

The loading capacity according to the present invention is constructed as described above, and the printing section 1
The printed paper P is dried in an ultraviolet drying device, then conveyed through a paper discharge section 2 to a delivery conveyor 3, cut and processed in a cutting section 6, and punched out in a punching section 7. The product blanks are placed on one of the loading tables 9,
The scraps are discharged into tlJljJj bucket 1-.

[Effects of the Invention] According to the apparatus of the present invention described above, from the printing process on printing paper to the cutting process and punching process of a predetermined shape,
- ] Continuous work on a two-culm line - Riruko = 11 - is possible, so blanks such as paper containers can be manufactured extremely efficiently. In addition, even if trouble occurs in the cutting and cutting section or punching section during operation, the printing section can continue by discharging the paper to the auxiliary paper discharging section for the second copy, and the first paper for the lower auxiliary paper discharging section. If you print 11 sheets per set, you can check the printing status without stopping the printing section. There is a mechanism installed on the delivery conveyor, so the subsequent printed paper slips under the preceding printed paper. It has excellent effects such as being able to transport original printing paper with light force and preventing scratches due to friction.

[Brief explanation of the drawing]

Fig. 1 is an overall view of the device according to the present invention, Fig. 2 is an enlarged view of the delivery conveyor, Fig. 3 is a drawing of another embodiment of the lifting mechanism, and Fig. 4 is an enlarged view of the delivery conveyor.
The figure is an explanatory diagram showing the operational relationship of the driving motor. 1...Printing section 1a...Ultraviolet dryer 2...Paper discharge section 2U...Upper auxiliary 1 paper section 2D...Lower auxiliary υ1 paper section 3...Delivery conveyor 4...・Front part 5...Lifting mechanism-1
3= 6... Cutting and cutting section 7... Punching section 8... Conveyance zone 9... Loading platform 10... Wheels
11...Rail 12...υ1 output conveyor 13.14...Uncut waste discharge bucket l-P...Printing paper Pl...Blank P2...Uncut waste Ml, M2...Driving motor PG...Pulse generator patent applicant Toppan Printing Co., Ltd.

Claims (2)

[Claims] (1) A printing section for sheet-fed printing paper, a paper discharge section that discharges the printed paper printed in this printing section, a delivery conveyor that receives the printed paper from this paper discharge section and continuously conveys it, and this delivery conveyor. A front part that temporarily stops the printing paper in contact with the leading end of the front part, a cutting part that cuts the printing paper into a blank shape at the rear of the front part, and a cutting part that cuts the printing paper into a blank shape. A punching section for punching out the cut portion, a punched blank loading section at the bottom of this punching section, and a punched waste discharge section at the rear are provided. 1. An apparatus for producing punched blanks for folding cartons, etc., characterized in that a conveyance section is provided for intermittently conveying blanks through a punching section toward a punched waste discharge section. (2) A punched blank for a paper container or the like according to claim (1), characterized in that an upper auxiliary paper discharge section and a lower auxiliary paper discharge section are provided above and below the paper discharge section, respectively. Manufacturing equipment. (3) Among the printed sheets that are delivered from the paper discharge section and conveyed one by one at a predetermined interval by the delivery conveyor, the rear end of the printed paper that has come into contact with the front part is placed on the lower side. An apparatus for producing punched blanks for paper cartons, etc., as set forth in claim 1 or 2, characterized in that the device is equipped with a lifting mechanism for allowing the blank to be inserted into the container.