JP3534436B2 - Cardboard sheet processing equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corrugated cardboard sheet for forming a ruled line and a groove at a predetermined position of a cardboard sheet for making a cardboard box and cutting the cardboard sheet into a predetermined size. More specifically, a processing device for transferring a corrugated cardboard sheet in a predetermined direction by a feed roller, suitably disposed on this transfer path, a creaser for forming a ruled line at a bending position, and a groove for forming a groove at a bending lid position. The present invention relates to a cardboard sheet processing apparatus for performing a predetermined processing by a slitter, a cutter for cutting at one end position in a longitudinal direction, usually a rear end position, and a slitter for cutting at one end or both end positions in a width direction. 2. Description of the Related Art There are various types of cardboard boxes in structure, and according to JIS standards (JIS Z 1507),
It is classified into six types: grooving type, telescope type, assembly type, insertion type, bliss type, and simple assembly type. [0003] Conventionally, there are various known cardboard sheet processing apparatuses for performing processing in accordance with each type of these cardboard boxes. And the size of the cardboard box to be created is determined according to the size of the contents to be stored,
When processing a cardboard sheet, it is necessary to appropriately select a cardboard sheet having a size corresponding to the size of the contents to be accommodated together with the type of the cardboard box. [0004] However, conventionally, since the selection is made based on the experience of the worker, it requires skill to make an accurate selection, and it is difficult for an inexperienced worker to make the selection. Was not easy. In addition, because it is complicated to set the size at the time of processing, it was not suitable to the box of the task of creating a small lot in a wide variety. For this reason, in general, it is easy to select a large size with a margin for the cardboard box to be created, which is disadvantageous in that the cardboard sheet is wasted, and when there are many kinds of small lots, There was a disadvantage that efficiency was poor. An object of the present invention is to provide a corrugated cardboard processing apparatus which solves such inconveniences. [0005] In order to achieve this object, a corrugated cardboard sheet processing apparatus according to the present invention comprises a length and width of a product to be stored, which is data on the size of a corrugated cardboard box made from corrugated cardboard sheets. And an input section for inputting the height, and the length and width of the product input to the input section.
A display unit for displaying the minimum size of the cardboard sheet corresponding to the height in consideration of the clearance between the product and the cardboard box . When the size of a product stored in a cardboard box, that is, the length, width and height of a product, which is data relating to the size of a cardboard box created from a cardboard sheet, is input, the data corresponds to this data. Since the minimum size of the cardboard sheet is displayed, a cardboard sheet having the displayed size may be selected and used. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment in which the present invention is applied to the processing of a cardboard sheet for producing a grooved cardboard box will be described in detail with reference to the accompanying drawings. Here, FIG. 1 is a schematic side view of the processing apparatus, FIG. 2 is a plan view thereof, FIG. 3 is a block diagram showing a control system, FIG. 4 is a front view showing an operation panel provided with an input unit and a display unit, FIG. 5 is a flowchart showing the processing operation, FIG. 6 is an explanatory view showing the processing state of the cardboard sheet, FIG. 7 is a plan view showing the processed cardboard sheet, and FIG. 8 is a perspective view showing the prepared cardboard box. First, a processed cardboard sheet and an A-type cardboard box made from the cardboard sheet will be described with reference to FIGS. 7 and 8. As shown in FIG. 7, the cardboard sheet 100 has horizontal ruled lines 101, 102, 103, 104 and vertical ruled lines 1 at bending positions.
05 and 106 are provided, and these ruled lines 101 and 10 are provided.
From the intersection of 2, 103, 104, 105, 106, grooves 107, 10 are placed on the respective horizontal ruled lines 101, 102, 103, 104.
8, 109, 110, 111, 112, 113, 114
Are provided respectively, and the folded lids 115, 116, 1
17, 118, 119, 120, 121 and 122 are formed. Then, each of the folded pieces 123, 1 indicated by oblique lines
24 is an unnecessary part, after processing the cardboard sheet 100,
It is cut and removed before the cardboard box 125 is formed, and the folded pieces 126 serve as a seam. As shown in FIG.
The cardboard sheet 100 is attached to each of the ruled lines 101 and 10.
When bent at 2, 103, 104, 105, 106,
Folding lids 115, 116, 117, 118, 119,
An A-type cardboard box 125 in which 120, 121, and 122 are located on upper and lower surfaces is created. Next, a description will be given of a processing apparatus for performing predetermined processing on the cardboard sheet 100 in order to produce the above-mentioned cardboard box 125. As shown in FIGS. 1 and 2, the processing apparatus 1 includes a corrugated cardboard sheet 100 for processing.
Paper feed table 2 for placing and feeding (see FIG. 7)
The feeding table 2 is provided with a long groove 3 extending at right angles to the feeding direction, and a feeding guide 4 movable along the long groove 3 and fixed at a desired position is provided. A scale 5 for determining the fixing position of the paper guide 4 is provided. As shown in FIG. 1, in the machine body 6 of the processing apparatus 1, the hydraulic cylinders 7 are sequentially moved up from the sheet supply table 2 side so as to be located on the transfer path of the cardboard sheet 100 (see FIG. 7). The feed roller 8a is the lower feed roller 8
b, a pair of upper and lower rotatable first feed rollers 8a and 8b, a cutter 10 moved up and down by a hydraulic cylinder 9, a horizontal creaser 12 moved up and down by a hydraulic cylinder 11, hydraulic pressure The slotter 14, which is moved up and down by the cylinder 13, and a pair of side plates 22 separate from the body 6
A pair of upper and lower second feed rollers 15a and 15b provided on a rotating shaft supported by one (only one is shown), and an upper and lower provided movably along the rotating shaft on the same rotating shaft also supported by the side plate 22. Two pairs of slitters 16a, 16b
(Only one pair is shown) and a vertical creaser (not shown). Each of the hydraulic cylinders 7, 9, 11, 13 uses a hydraulic pump 17 provided in the machine body 6 as a drive source. Also,
The feed rollers 8a, 8b, 15a, 15b, the slitters 16a, 16b, and the vertical creaser also
A motor (not shown) provided therein is used as a drive source, and is configured to transmit a rotational driving force via a chain (not shown). The broken lines shown in FIG. 2 indicate the arrangement positions of the respective components, and 8P indicates the first feed roller 8a,
8b, 10P is the cutter 10, 12P is the horizontal creaser 1.
Reference numerals 2, 14P denote slotters 14, 15P, the second feed rollers 15a, 15b, 16P, slitters, and 21P, a vertical creaser. As shown in FIG. 1, the second feed rollers 15a and 15b and two pairs of upper and lower slitters 16a and 16a are provided.
A cut piece storage box 18 is arranged below the cut piece storage box 16b, and a guide plate 19 that extends obliquely from below the lower feed roller 8b toward the cut piece storage box 18 is provided. Then, the cardboard sheet 100 (see FIG. 7) supplied from the paper feed table 2 into the machine body 6 is
While being intermittently transported by the a and 8b, the horizontal creaser 12 provides a horizontal ruled line at a predetermined position, the slotter 14 provides a laterally extending groove at a predetermined position, and the slitters 16a and 16b have both ends in the width direction. The paper is cut into a predetermined size, and a vertical ruled line is provided at a predetermined position by a vertical cleaner (not shown).
, Each of the grooves 107, 108, 109, 110, 111, 11 generated during processing.
Cutting pieces corresponding to 2, 113, 114 and the cutter 10
The cutting piece on the rear end side remaining after being cut by the cutter 10
And the first feed roller 8a, 8b is guided by the guide plate 19 and the cut piece storage box 18
It is constituted so that it may be stored inside. Further, the second feed rollers 15a, 15
b, a pair of side plates 22 supporting the rotating shafts of the slitters 16a, 16b and the vertical creaser (not shown, see FIG. 2, position 21P) are always in a state of being lifted upward by locking bolts 55, 55. After the drawer rail 24 slidably supported by the machine body 6 is pulled out toward the discharge table 20, the locking bolts 55, 55 are loosened to release the lock, and the rollers 56, 56 are placed on the drawer rail 24. Position, and the drawer rail 2
4, it can be pulled out from the machine body 6 in the direction of the discharge table 20, so that maintenance management inside the machine body 6 can be easily performed. When the pair of side plates 22 are withdrawn from the machine body 6, the discharge table 20 is moved in advance and does not become an obstacle. An operation panel 25 shown in FIG.
The display unit 44 is provided on the upper part of the wall surface of the machine body 6 on the side of the sheet supply table 2 so that the operation during sheet supply is easy and reliable (see FIGS. 1 and 2). On the operation panel 25, as various buttons and switches as the operation unit 46, a preparation button 26 for preparing for operation, an auto button 27 for performing automatic processing, a start button 28 for starting processing, a stop button 29 for stopping processing, An emergency stop button 30 for stopping the operation and returning to an initial state, a power-on display lamp 31, three warning lamps 32, 33, and 34, and a product length input as an input unit for inputting a size of a contained product in millimeters. Button 35, product width input button 36, product height input button 37, type input button 38 for inputting the type of cardboard box, slitter 16
a trimming button 39 for setting a margin for cutting off the side edge of the cardboard sheet on the paper feed guide 4 side by a and 16b, an overlap button 40 for setting a joint margin length of the cardboard sheet, and a thickness of the cardboard sheet. 5mm (A), 3mm (B), 7mm (A
B) A paper thickness selection switch 41 selected in three stages, a set button 42 for positioning the slitters 16a, 16b, etc. by moving the slitters 16a, 16b, etc. so as to meet the processing conditions set by the buttons and switches, and a counter value. A reset button 43 for resetting to 0, and a liquid crystal panel 44 for setting the minimum value in the length direction (transfer direction) of the cardboard sheet necessary for product processing
A mode switch 45 provided with an A mode to be displayed on the liquid crystal panel 44 and an A mode to display the minimum value in the width direction of the corrugated cardboard sheet required for product processing. And an inner box, and a cover switch 54 is provided which is turned on when the overlapping lid is formed. In addition, a 4-digit, 8-segment liquid crystal panel 44 is provided as the display section for digitally displaying numerical values set by buttons and switches. Next, the control system of this embodiment will be described with reference to FIG. All controls in the present embodiment are performed by a main control unit 47 including a CPU provided on a control panel (not shown) disposed in the body 6.
Various conditions such as numerical values set on the operation unit 46 including various buttons and switches including 5, 36, and 37 are input to the main control unit 47, and the input conditions are displayed on the display unit (liquid crystal panel) 44. And digitally displayed, and necessary data is stored in the storage unit 48. The main control unit 47 includes a drive control unit 49 that controls a drive motor (not shown) that controls the rotation speed of each feed roller 8a, 8b, 15a, 15b and the position of the slitters 16a, 16b, etc. Control unit 5 for controlling the operation of
0, a creaser control unit 51 for controlling the operation of the creaser 12, a slotter control unit 52 for controlling the operation of the slotter 14, and the feed rollers 8a, 8
transfer amount detector 5 for detecting the transfer amounts of b, 15a and 15b
3 are respectively controlled. Next, the processing operation of this embodiment will be described with reference to FIG.
This will be described with reference to FIG. First, after pressing the preparation button 26, the product length input button 35 and the product width input button 3
6. Product height input button 37, type input button 38,
Processing conditions are input by the trimming button 39, the overlap button 40, and the paper thickness selection switch 41 (step 001). The processing conditions are sent to the main control unit 47, and the minimum value in the length direction and the width direction of the cardboard sheet, the position of the paper feed guide 4, and the like are calculated (step 002). This calculation is performed in consideration of the gap between the product and the box, and the size of the gap can be changed. Next, when the mode switch 45 is set to the A mode, the minimum value in the length direction of the cardboard sheet calculated by the main control unit 47 is displayed on the liquid crystal panel 44. When the mode switch 45 is set to the B mode,
Similarly, the minimum value in the width direction of the cardboard sheet is displayed on the liquid crystal panel 44 (steps 003, 004, 00).
5). It should be noted that subsequent to step 002, without performing the above-described display operation on the liquid crystal panel 44, step 001 is performed.
It is also possible to return to and re-enter. Here, the cardboard sheet 100 having the size displayed on the liquid crystal panel 44 is selected, and the paper feed table 2 is selected.
, And set to a position where the tip abuts on the cutter 10 (state in FIG. 6A). At this time, the upper feed roller 8a is separated from the lower feed roller 8b, and after the setting is completed, the upper feed roller 8a is lowered toward the lower feed roller 8b, and the cardboard sheet 1
00 is put in a transportable state. Next, when the start button 28 is pressed (step 003), the process proceeds to step 006, where
The processing operation of the cardboard sheet according to each condition inputted in 1 is started. The transfer of the cardboard sheet 100 in the following is performed by intermittent driving of each feed roller 8a, 8b, 15a, 15b controlled by the drive control unit 49. First, the cardboard sheet 100 is transported by a predetermined amount and stopped, and the horizontal creaser 10 is driven to provide the first horizontal ruled line 101 at a predetermined position (state in FIG. 6B). Next, the cardboard sheet 100 is transported by a predetermined amount and stopped, and the slotter 12 is driven to provide first left and right grooves 107 and 108 at predetermined positions (state in FIG. 6C). Further, the cardboard sheet 100 is transported by a predetermined amount and stopped, and the horizontal creaser 10 is driven to provide a second horizontal ruled line 102 at a predetermined position (state in FIG. 6D). Subsequently, the cardboard sheet 100 is transported by a predetermined amount and stopped, and the slotter 12 is driven to provide second left and right grooves 109 and 110 at predetermined positions (state in FIG. 6E). Further, the cardboard sheet 100 is transported by a predetermined amount and stopped, and the horizontal creaser 10 is driven to form a third horizontal ruled line 103 at a predetermined position (FIG. 6F). Subsequently, the cardboard sheet 100 is transported by a predetermined amount and stopped, and the slotter 12 is driven to provide third left and right grooves 111 and 112 at predetermined positions (g state in FIG. 6). Further, the cardboard sheet 100 is transported by a predetermined amount and stopped, and the horizontal creaser 10 is driven to provide the last horizontal ruled line 104 at a predetermined position (FIG. 6F). Subsequently, the cardboard sheet 100 is transported by a predetermined amount and stopped, and the slotter 12 is driven so that the last left and right grooves 113 and 114 are provided at predetermined positions.
0 is driven and cut at a predetermined position on the rear end side (FIG. 6i).
Status). Further, the cardboard sheet 100 is transferred,
The slitters 16a and 16b and the vertical creaser are driven and cut to a predetermined width, and a vertical ruled line is provided at a predetermined position.
It becomes 0. On the other hand, the portion of the cardboard sheet 100 remaining after being cut by the cutter 10 is returned to the sheet feeding table 2 by driving the feed rollers 8a and 8b in the opposite directions, and the remaining portion of the cardboard sheet 100 is shortened. If it does not reach the first feed rollers 8a, 8b, it falls onto the guide plate 19. Then, when it is detected that the machining operation has been completed (step 007),
The operation ends. The present invention is not limited to the above-described embodiment. For example, the type of the cardboard box 125 formed from the cardboard sheet 100 may be a type B to D other than the type A.
0 is different in processing form. Further, the positions of the feed rollers 8a, 8b, 15a, 15b, the cutter 10, the lateral creaser 12, and the slotter 14 are not limited to those described above. Further, a cutter 10 and a horizontal creaser 1
2. The drive source of the slotter 14 is a hydraulic cylinder 9.1
The air cylinder or the motor may be used instead of the motors 13 and 13. Further, each feed roller 8a, 8b, 15
The transmission of the driving force to the a, 15b, the slitters 10a, 10b, and the vertical creaser may of course employ a combination of gears in addition to a chain. In addition, it goes without saying that the data on the size of the cardboard box to be input is not limited to the size of the stored items. As apparent from the above description,
According to the present invention, when the length, width, and height of a product to be stored, which are data relating to the size of a cardboard box, are input from the input unit, the length of the product input to the input unit is displayed on the display unit.
Considering the gap between the product and the cardboard box in the height, width and height
As the minimum size of the corresponding cardboard sheet is displayed, by selecting and using the displayed size of the cardboard sheet, it is possible to accurately select a cardboard sheet of a lean size and perform the processing operation. To play.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic side view of a processing apparatus. FIG. 2 is a schematic plan view of a processing apparatus. FIG. 3 is a block diagram showing a control system. FIG. 4 is a front view showing an operation panel provided with an input unit and a display unit. FIG. 5 is a flowchart showing a processing operation. FIG. 6 is an explanatory view showing a processing state of the cardboard sheet. FIG. 7 is a plan view showing a processed cardboard sheet. FIG. 8 is a perspective view showing the created cardboard box. [Description of Signs] 1 Processing device 4 Paper feed table 6 Body 8a, 8b First feed roller 10 Cutter 12 Horizontal creaser 14 Slotter 15a, 15b Second feed roller 16a, 16b Slitter 20 Paper discharge table 25 Operation panel 35 Product length Input button 36 Product width input button 37 Product height input button 38 Type selection button 41 Paper thickness selection switch 44 Liquid crystal panel 45 Mode switch 100 Cardboard sheets 101, 102, 103, 104 Horizontal ruled lines 105, 106 Vertical ruled lines 107, 108, 109 , 110,111,112,1
13,114 groove 125 cardboard box

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B31B 1/00-17/74

Claims (1)

(57) [Claims 1] A carder sheet is transported in a predetermined direction by a feed roller, and a creaser for appropriately forming a ruled line at a folding position and a groove at a folding lid position are appropriately arranged on this transport path. A cardboard sheet processing apparatus for performing a predetermined processing by a slitter for providing a slitter, a cutter for cutting at one end position in a longitudinal direction, and a slitter for cutting at least one end position in a width direction, wherein the corrugated cardboard an input unit for inputting a length and width and height of the product to accommodate a data relating to cardboard boxes the size of which is created from a sheet, the length of the products that are input to the input unit
Considering the gap between the product and the cardboard box in the height, width and height
And a display unit for displaying a corresponding minimum size of the cardboard sheet.