JP3703364B2 - Boxing method and boxing device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a boxing method and boxing device for products, and more particularly to a boxing method and boxing device for sequentially packing packed products in a predetermined container such as a cardboard box.
[0002]
[Prior art]
For example, a plurality of products packed in a predetermined weight by a bag making and packaging machine, such as snacks such as potato chips, are packed in a predetermined container such as a cardboard box and shipped to the market. In that case, for example, as disclosed in Japanese Patent Laid-Open No. 6-263106, the packaged products supplied from the bag making and packaging machine are sequentially transported by a transport conveyor that forms a transport path for the products, and the boxing operation is performed. There is known a boxing device that automatically feeds the product into a predetermined container such as a cardboard box using a boxing mechanism provided therein.
[0003]
At this time, as the boxing mechanism, for example, above the carry-in position of a packaged product carried into the boxing operation by the conveyor, and above the installation position of a predetermined container separately installed in the boxing operation unit The support member is provided so as to be movable between and movable up and down, and a suction-type pad for capturing or releasing the product is provided at the lower end of the support member, and the support member is loaded into the product. By moving back and forth between the position and the container installation position and moving up and down at each position, the packaged product carried by the transport conveyor is adsorbed and captured from above by the suction pad, and this is captured in the container. What is lowered and stored and boxed is used.
[0004]
[Problems to be solved by the invention]
By the way, in this kind of boxing device, for example, in order to speed up the work, for example, a parallel device that horizontally moves the goods being transported on the transport path to the boxing work unit and parallels them in a plurality of rows Correspondingly, a plurality of suction pads are provided at the lower end of the support member, and the products that have been fed in multiple rows on the transport path by the parallel device are simultaneously captured in a single operation. And may be configured to be boxed.
[0005]
However, when products are arranged in multiple rows with the above parallel device, there is usually some space between the rows, so if you keep the products in each row as they are and pack them, The distance between them will be increased and the box will be roughly packed in the container, especially in recent years, as it is desired to pack products as densely as possible to reduce distribution costs. Can't respond to the request.
[0006]
Therefore, the present invention captures and packs the products at the same time and packs the products at a high density even if the products are carried in a plurality of rows with a space between the rows. It is an object of the present invention to provide a boxing method and a boxing device that can be used.
[0007]
[Means for Solving the Problems]
In order to solve the above problems, the present invention is specified as follows.
[0008]
That is, in the product packaging method according to the invention of claim 1 of the present application (hereinafter referred to as the first invention), the product to be packaged that has been transported to the sorting transport mechanism is sorted into a plurality of rows in the sorting transport mechanism and is downstream. with successively conveyed to the alignment transport mechanism consisting of the first inclined conveyor and the second inclined conveyor provided continuously to the side, a continuous conveying and above said goods carried in multiple rows the first inclined conveyor by said alignment transport mechanism Alignment is performed in such a manner that a predetermined number of front and rear side edges of each row are overlapped by combination conveyance with intermittent conveyance of the second inclined conveyor , and then a predetermined number of products on each row on the alignment conveyance mechanism respectively correspond to a plurality of corresponding items. Capturing at the catching part and moving the catching part in a staggered manner so that the left and right side edges of a predetermined number of products in each row are overlapped and packed in a container And wherein the Rukoto.
[0009]
Further, the invention of claim 2 (hereinafter referred to as the second invention) is characterized in that, in the boxing method of the first invention, the sorting transport mechanism distributes the goods into two right and left rows and transports them downstream . The invention of claim 3 (hereinafter referred to as the third invention) is preliminarily arranged in the boxing method of the first invention or the second invention so that when the catching portions are brought closer together, a predetermined overlapping amount is obtained. The position of the capture unit is adjusted in advance .
[0010]
Further, the product boxing device according to the invention of claim 4 (hereinafter referred to as the fourth invention) distributes the products to be packed into a plurality of rows and transports them downstream, and downstream of the distribution transport mechanism provided continuously to the side, the combination transport of intermittent transport of the first inclined conveyor and the continuous conveyor and the second inclined conveyor the successively transported goods are distributed in a plurality of rows consists of a second inclined conveyors first inclined conveyor An alignment transport mechanism for aligning the predetermined number of front and rear side edges of each row in a stacked manner, a plurality of capture portions for capturing a predetermined number of products in each row on the alignment transport mechanism, and A width-shifting means for shifting the capture portions in a stepwise manner was provided, and a boxing mechanism for packing the containers into a container by bringing the right and left side edges of a predetermined number of products in each row to overlap each other was provided. The And butterflies.
[0011]
The invention of claim 5 (hereinafter referred to as the fifth invention) is configured such that in the boxing device of the fourth invention, the sorting and conveying mechanism distributes the products to be boxed into two left and right rows and conveys them downstream. According to a sixth aspect of the present invention (hereinafter referred to as the sixth aspect), in the boxing device according to the fourth aspect or the fifth aspect, the width adjusting means has a function of adjusting the overlapping amount. It is characterized by that.
[0012]
By configuring as described above, according to each invention of the present application, the products to be packed are aligned in a plurality of rows with a predetermined number of rows in each row with the front and rear side edges overlapped, and the products in each row are Each column is captured by the corresponding capturing unit and boxed in a container. At this time, the left and right side edges of the products in each column are also overlapped. Therefore, a predetermined number of products are packed in the container with high density without any gaps.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below. The boxing device according to the following embodiment is an embodiment of the boxing device according to the present invention, and at the same time, the operation constitutes the embodiment of the boxing method according to the present invention.
[0014]
As shown in FIGS. 1 and 2, the boxing device 1 according to this embodiment is configured such that, for example, a packaged product such as snack snacks such as potato chips packed in a predetermined weight by a bag making and packaging machine is sequentially placed in a cardboard box or the like. In this case, in particular, high-speed processing of the boxing operation and high-density filling of goods are achieved, and the bag making and packaging machine (not shown) ) The packaged product X dropped and supplied from the side to the supply section A is transported in the direction of arrow a which is the transport direction, and the weighing transport mechanism 2 for weighing the product X is transported by the weighing transport mechanism 2 The product X is transported further downstream while being raised, and the bag inspection and transport mechanism 3 for inspecting the sealing failure of the packaging bag of the product X and the length of the product X, and the product X transported by the bag inspection and transport mechanism 3 The above If it is a defective product based on the quantity result and the inspection result, it is discharged in the left lateral direction b toward the defective product discharge conveyor 7 separately arranged on the side of the boxing device 1 and, if it is a normal product, the straight direction c And the right and left horizontal direction d, the sorting and transporting mechanism 4 for continuously transporting to the downstream side, and the products X... X continuously transported in two rows by the sorting and transporting mechanism 4 by a predetermined number in each row. The alignment conveyance mechanism 5 that superimposes and aligns the front and rear side edge portions in the conveyance direction a and conveys them to the boxing operation unit a in that state, and the predetermined number of each row conveyed to the boxing operation unit i by the alignment conveyance mechanism 5 High-speed and high-density in a state of being superposed from the upper opening in the cardboard box Y that is simultaneously held by suction from above and carried in the container transporting conveyor 8 separately disposed in the boxing work section a. In the box And a Mesuru packing mechanism 6, item transport path for transporting in the conveying direction a from the feed unit A to bagged products X ... X by the respective transport mechanisms 2-5 to boxing working portion b is formed.
[0015]
And according to this boxing apparatus 1, first, the packaged product X dropped and supplied from the bag making and packaging machine side to the supply section A is sequentially transported in the transport direction a by the weighing transport mechanism 2 and provided in the middle of the transport. The weight is weighed by a weighing instrument 21 composed of a load cell or the like. Next, the product X is transported further downstream by the bag inspection transport mechanism 3, and its bulge height is made uniform by the leveling plate 32 of the leveling mechanism 31 provided in the middle of the transport, The seal checker 33 presses the packaging bag to check whether the seal is defective. Further, the length of the product X is detected by a bag length detection sensor (not shown) disposed in the vicinity of the inlet portion of the seal checker 33. Of the products X transported from the bag inspection transport mechanism 3 to the sorting transport mechanism 4, those that are recognized as defective products in any of the weight inspection, seal inspection, and bag length inspection are as follows. A sorting member (not shown) provided in the sorting transport mechanism 4 is discharged in the left lateral direction b orthogonal to the transport direction a and taken out of the transport path, and other normal products are also straightened by the sorting member. After being sorted into two rows of the direction c and the right lateral direction d, it is continuously conveyed downstream along the conveyance path. Then, the products X... X transported to the alignment transport mechanism 5 in two rows in this way are continuously transported by the first inclined conveyor 51 provided in the aligned transport mechanism 5 and intermittently by the second inclined conveyor 52. By the combined conveyance with the conveyance, the predetermined number of each row is arranged in the relay portion of the conveyors 51 and 52 so that the front and rear side edge portions in the conveyance direction a are overlapped, and then the box packing is performed in this alignment state. The product is delivered to the product carry-in conveyor 53 extending to the work section i, conveyed toward the boxing mechanism 6, and carried into the product carry-in position c. Then, the two rows of aligned products X... X loaded into the product carry-in position c are simultaneously sucked and held from above by the boxing mechanism 6 and are placed on the container conveyer 8 positioned on the side of the product carry-in position c. The boxes are packed in high density in a state of overlapping in the cardboard box Y prepared at the container installation position d.
[0016]
Next, the configuration of the boxing mechanism 6 will be described in detail.
[0017]
FIG. 3 shows the boxing mechanism 6 with the cover member viewed from the direction of arrows A-A in FIG. 1 in a state where the cover member is omitted. The boxing mechanism 6 raises the product carry-in conveyor 53 and the container transfer conveyor 8 above. A main motor 61 provided so as to be surrounded by a wall portion and a pair of side wall portions, and a turning motor 62 which is a servo motor having a drive shaft 62a which is fixed to the upper portion of the main body 61 and intermittently reciprocates by 180 degrees. An arm member 63 fixed to the drive shaft 62a of the motor 62 and reciprocally swiveled between the upper side of the commodity loading position C and the upper side of the container installation position D by the motor 62; Support members 64, 64a supported at the tip portion so as to be movable up and down, and a predetermined number of rows arranged in parallel at the lower end portions of each of the support members 64, 64a and carried into the product carry-in position c Product X ... X The suction pads 65, 65; 65a, 65a, which are sucked and held or released by the suction action, are engaged with the support members 64, 64a above the commodity loading position C, and the support members 64, 64a are moved up and down. 1 elevating mechanism 66, and a second elevating mechanism 67 that engages with the support members 64 and 64a above the container installation position D and raises and lowers the support members 64 and 64a. In FIG. 1, reference numerals 61 a and 61 b are cover members that cover the upper front and back surfaces of the main body 61.
[0018]
The arm member 63 extends both on the opposite side from the turning center by 180 degrees. As shown in FIG. 4, guide grooves 68 'and 68a' penetrating vertically are formed at both ends of the arm member 63. Guide members 68 and 68a having the same are fixedly provided.
[0019]
Each of the support members 64 and 64a is a square pipe extending in the vertical direction, and has a rail member 69 extending in the length direction on one side surface thereof and slidably engaged with the guide grooves 68 'and 68a'. 69a are fixedly provided, and the support members 64 and 64a are supported by the arm member 63 so as to be movable up and down via the rail members 69 and 69a.
[0020]
And between the said arm member 63 and the support members 64 and 64a, as shown in FIG. 5, the 1st, 2nd lock mechanism 71 which locks the support members 64 and 64a to the arm member 63 in the raise position, 71a is provided.
[0021]
As shown in FIG. 5, these lock mechanisms 71 and 71a are provided on the lower surfaces of both end portions of the arm member 63 via brackets 72 and 72a, and solenoids 74 and 74a for moving the lock pins 73 and 73a forward and backward. The engagement members 76, 76a having engagement holes 76 ', 76a' attached to the lower end portions of the support members 64, 64a via the attachment plates 75, 75a, respectively, and the arm member 63 is swung. When the support members 64 and 64a are moved, the solenoids 74 and 74a are used to move the lock pins 73 and 73a to the engagement holes 76 'of the engagement plates 76 and 76a in a state where both the support members 64 and 64a are located at the raised position. , 76 a ′, so that both support members 64, 64 a can be locked to the arm member 63.
[0022]
Further, as shown in FIG. 3, the first elevating mechanism 66 includes an elevating cylinder 78 fixed to the upper portion of the inner wall of the main body 61 on the commodity loading position c side via a support arm 77. The support member 64 or 64a located on the merchandise carry-in position c is moved up and down in conjunction with the vertical expansion and contraction operation of the piston rod 78a. Further, as shown in FIGS. 6 and 7, the second elevating mechanism 67 includes an elevating motor 81 that is a servo motor provided via a support frame 79 on the inner wall upper part of the main body 61 on the container installation position d side, A ball screw 83 rotated by a motor 81 via a belt transmission mechanism 82, a guide rail 84 fixed to the inner wall surface of the main body 61 and supporting the ball screw 83 so as to extend in the vertical direction, A moving body 85 that is screwed into the ball screw 83 and engaged with the guide surface 84a of the guide rail 84, and is moved up and down along the guide rail 84 by the rotation of the ball screw 83; It is comprised with the raising / lowering arm 86 fixed to the side surface and extended in the horizontal direction.
[0023]
The first and second elevating mechanisms 66 and 67 are configured such that when one of the support members 64 and 64a is positioned above the product carry-in position c and is engaged with the first elevating mechanism 66, the other is It is provided so that it may be in the arrangement | positioning relationship which is located above the said container installation position d, and engages with the 2nd raising / lowering mechanism 67. FIG. As the engagement mechanisms 87 and 87a provided between the first and second elevating mechanisms 66 and 67 and the support members 64 and 64a, as shown in FIGS. , 64a projecting from the outer surface of L, and the above-mentioned engagement provided on the tip of the piston rod 78a of the lift cylinder 78 and the tip of the lift arm 86, respectively. It is comprised with the engaging members 89 and 89a engaged with the stoppers 88 and 88a. Since these engagement mechanisms 87 and 87a have the same structure, each structure will be described simultaneously based on the engagement mechanism 87 provided on the lifting cylinder 78 side.
[0024]
That is, as shown in FIGS. 8 and 9, inclined surfaces 88 ', 88' and 88a ', 88a' are formed on both sides of the lower surface of each of the locking devices 88, 88a, respectively. As the combined members 89 and 89a, support rollers 91 and 91a for supporting the lower surfaces of the locking tools 88 and 88a, and the rollers 91 and 91a are rotatably supported, and the locking tools 88 and 88a The engaging support bodies 93, 93a having engaging portions 92, 92a that engage with the upper surface, and when the locking tools 88, 88a engage with the engaging members 89, 89a, 88 and 88a are lifted upward via inclined surface portions 88 'and 88a' contacting the support rollers 91 and 91a as shown by phantom lines in FIG. 9, and then engaged and supported on the support rollers 91 and 91a. It has become so. Thus, by lifting the locking tools 88, 88a, that is, the arm member 63, the engagement holes 76 of the engagement plates 76, 76a of the lock pins 73, 73a of the first and second lock mechanisms 71, 71a described above. It is configured so that the interference between the two at the time of rushing into 'and 76a' is eliminated and the load on the support members 64 and 64a side does not act on the lock pins 73 and 73a. As a result, the lock pins 73 and 73a can smoothly enter and exit the engagement holes 76 'and 76a'.
[0025]
On the other hand, as shown in FIGS. 3 to 5, the suction pads 65, 65; 65a, 65a are attached to the outer surface of each support member 64, 64a by a plurality of knob mounting bolts 95 ... 95, 95a ... 95a. Two pieces of the support members 64, 64a are juxtaposedly attached to the lower end portions of the support members 64, 64a through detachable attachment plates 94, 94a, and the size and shape of the product X, or the number of adsorptions thereof, etc. It can be changed as needed.
[0026]
Further, the suction pads 65, 65; 65a, 65a are respectively connected to a blower 98 disposed below the carry-in conveyor 53 through piping 96, 97 made of flexible pipes as shown in FIG. . These pipes 96, 97 have upstream pipe parts 96 a, 97 a and downstream pipe parts 96 b, 97 b, and one of the upstream pipe parts 96 a, 97 a is connected to the intake port of the blower 98, The other upstream piping portion 97a is connected to the exhaust port of the blower 98, and the downstream piping portions 96b and 97b are connected to the respective leading ends of the upstream piping portions 96a and 97a via electromagnetic switching valves 99. ing. Then, the switching valve 99 by the downstream-side pipe portion 96b, 97b is alternately switched is so as to communicate with one of the exhaust upstream pipe portion 97a and the intake upstream pipe portion 96a, for example of one of the support members 64 When the two suction pads 65, 65 suck and hold the product X ... X at the product loading position C, the two suction pads 65a, 65a of the other support member 64a are sucked and held at the container installation position d. X... X is thrown into the cardboard box Y.
[0027]
With such a structure, according to the boxing mechanism 6, as shown in FIG. 10, the support members 64 and 64a are alternately arranged between the upper side of the commodity loading position C and the upper side of the container installation position D. The packaged products X... X that are carried in two rows by the product carry-in conveyor 53 are respectively moved by swiveling and moving up and down at each position c and d as shown by chain lines in FIG. Suction pads 65, 65; 65a, 65a are sucked from above and captured in two rows at the same time, and this is fast and dense with the front and rear side edges overlapping in the cardboard box Y conveyed by the container conveyor 8. Can be stored and boxed. In particular, in the boxing mechanism 6 in this embodiment, when the products X... X of each row captured simultaneously by the suction pads 65, 65; 65a, 65a are stored in the cardboard box Y, they are made more dense. For the purpose of packaging, two rows of products X ... X are captured and then stored in the cardboard box Y, so that the rows of products X ... X are brought closer together, thereby making the front and rear edges In addition to the overlapping of the parts, the left and right side edges are also overlapped. Next, a detailed configuration of the suction pads 65, 65; 65a, 65a for performing the width alignment of the products X... X in each row will be described, but the support members 64, 64a have the same configuration. Therefore, only the configuration of the suction pads 65 and 65 of one support member 64 will be described.
[0028]
That is, as shown in FIGS. 11 and 12, the two suction pads 65 and 65 arranged in parallel are provided at the lower end portion of the support member 64 via the mounting plate 94 as described above. A rectangular frame 101 is further attached to the lower portion of the mounting plate 94 via a bracket 100, and two guides extending in a direction orthogonal to the row direction of the products X. Rails 102 and 103 are provided, and slide shoes 104 and 105 are slidably fitted to the rails 102 and 103, respectively.
[0029]
The suction pads 65 and 65 are attached to the slide shoes 104 and 105, respectively, and a rotary solenoid 106 is provided on one side surface of the frame 101, and the rotary bar 107 attached to the drive shaft is provided. The slide shoes 104 and 105 are connected to the respective rotating end portions via connecting members 108 and 109 so as to be relatively rotatable. Accordingly, the suction pads 65 and 65 are moved along the guide rails 102 and 103 between the position indicated by the solid line and the position indicated by the chain line in FIG. Become.
[0030]
At this time, the guide rails 102 and 103 are both inclined in the extending length direction, and are provided at different height positions. Accordingly, the suction pads 65 and 65 are in a state in which the suction ports on the lower surfaces thereof are inclined, and the height positions thereof change vertically as they move along the guide rails 102 and 103. When the suction pads 65 and 65 are separated from each other and the interval is widened, the height positions of the pads 65 and 65 are substantially the same. On the other hand, when the suction pads 65 and 65 are close to each other and the interval is narrowed, , 65 are located at different levels.
[0031]
When the suction pads 65, 65 suck and capture the two-row products X ... X by a solenoid control device (not shown), the rotary solenoid 106 is rotationally driven to the position shown by the solid line in FIG. They are separated from each other at the same height position, so that the products X... X in the rows corresponding to the pads 65 and 65 can be sucked simultaneously from above.
[0032]
The rotary solenoid 106 is driven to rotate to the position indicated by the chain line in FIG. 11 during the time until the product X... X is adsorbed and packed in the cardboard box Y, for example, during the turning movement. As a result, the pads 65 and 65 approach each other at different height positions. As shown in FIG. 11, FIG. 3, and FIG. 10, the left and right side edges of the products X... X, X. The parts will overlap. In this state, the product X... X, X... X captured simultaneously in two rows by being lowered into the cardboard box Y and released from the suction pads 65 and 65 is added to the overlap of the front and rear side edges. Thus, the left and right side edge portions are packed in a higher density in a state where they are overlapped.
[0033]
As shown in FIG. 12, the rotary solenoid 106 is provided with an adjustment dial 110 for adjusting the rotation range, in other words, the separation distance and the proximity distance between the suction pads 65 and 65, and the product loading position window The movement of the suction pads 65 and 65 can be adjusted according to the distance between the rows of the products X... X, X.
[0034]
【The invention's effect】
As described above, according to the inventions of the present application, a predetermined number of products to be packed are arranged in a plurality of rows in a state where the front and rear side edges are overlapped, and the products in each row correspond to each other. Each row is captured by the capture unit and boxed in a container. At this time, the left and right side edges of the products in each row are also overlapped. Therefore, a predetermined number of products are packed in the container with high density without any gaps.
[Brief description of the drawings]
FIG. 1 is a schematic front view showing an overall configuration of a boxing apparatus according to an embodiment of the present invention.
FIG. 2 is a schematic plan view showing a product conveyance path of the moving box filling device.
FIG. 3 is a side view of the boxing mechanism in a state where a cover is omitted as viewed from the direction of arrows AA in FIG. 1;
4 is a cross-sectional view taken along line BB in FIG. 3. FIG.
FIG. 5 is a partially cutaway enlarged view showing a locking mechanism of the boxing mechanism.
FIG. 6 is a partially cutaway enlarged view showing a second lifting mechanism of the boxing mechanism.
7 is an enlarged cross-sectional view taken along the line CC of FIG.
8 is an enlarged sectional view taken along the line DD of FIG.
FIG. 9 is an enlarged cross-sectional view taken along line EE in FIG.
FIG. 10 is a schematic plan view showing the state of product adsorption and boxing work.
FIG. 11 is an enlarged partially cutaway view showing a detailed configuration of the suction pad.
FIG. 12 is a partially cutaway enlarged view showing a detailed configuration of the suction pad.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Box-packing apparatus 4 Distribution conveyance mechanism 5 Alignment conveyance mechanism 6 Box-packing mechanism 65, 65a Capture part (suction pad)

Claims (6)

The products to be packed in the box conveyed to the sorting and conveying mechanism are sequentially conveyed to the alignment and conveying mechanism composed of the first inclined conveyor and the second inclined conveyor arranged downstream in the sorting and conveying mechanism. At the same time, the front and rear side edge portions of each row are overlapped by a combination of continuous conveyance of the first inclined conveyor and intermittent conveyance of the second inclined conveyor of products conveyed in a plurality of rows by the alignment conveyance mechanism. Next, the predetermined number of articles in each row on the alignment and transport mechanism are captured by a plurality of corresponding capturing sections, and the predetermined number of each column is moved by shifting the capturing sections in a staggered manner. A boxing method, wherein the left and right side edges of the products are stacked so as to overlap each other.   The boxing method according to claim 1, wherein the products conveyed to the sorting and transporting mechanism are sorted into two left and right rows by the sorting and transporting mechanism and are transported downstream.   The boxing method according to claim 1 or 2, wherein the position of the capture unit is adjusted in advance so that a predetermined overlap amount is obtained when the capture units are brought closer to each other. A distribution transport mechanism that distributes products to be packed into a plurality of rows and transports them downstream, and a downstream of the distribution transport mechanism, and includes a first inclined conveyor and a second inclined conveyor. An alignment transport mechanism that aligns the sequentially conveyed products into a state in which a predetermined number of front and rear side edges are overlapped by a combined transport of the continuous transport of the first inclined conveyor and the intermittent transport of the second inclined conveyor ; A plurality of catching sections for capturing a predetermined number of products in each row on the aligning and transporting mechanism, and a width-shifting means for shifting the catching sections in a staggered manner. A boxing device comprising: a boxing mechanism that packs the left and right side edges of the products in a container so as to overlap each other.   The boxing device according to claim 4, wherein the sorting transport mechanism sorts the products to be packed into two left and right rows and transports them downstream.   The boxing device according to claim 4 or 5, wherein the width adjusting means has a function of adjusting an overlapping amount.

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