CN116080966A - Box ear folding device and method - Google Patents

Abstract

The invention discloses a box folding ear device and a method, which belong to the technical field of mechanical automation. According to the box folding ear device provided by the invention, the first linear driving device drives the box folding ear rod group to move towards the box ears along the horizontal direction so that the box ears are arranged in the ear grooves, the second linear driving device drives the box folding ear rod group to move from top to bottom along the vertical direction so that the box folding ear rod group corresponds to the first folds one by one in sequence, the box folding ear rod group is driven to rotate through the rotary driving device so that the box ears are folded at the first folds, the third linear driving device drives the shaping block to move towards the packaging box so that the box ears are folded at the second folds, and the box ear folding of the packaging box is automatically completed.

Description

Box ear folding device and method

Technical Field

The invention relates to the technical field of mechanical automation, in particular to a box ear folding device and method.

Background

At present, the low-voltage electrical appliance is required to be packaged in a packaging box before leaving a factory, and the product is convenient to transport, store and sell after being packaged. In the prior art, after a product is placed in a packaging box, the folding of the box ears of the packaging box is often finished manually, the production efficiency is low, and the shaping consistency of the box ears folded manually is poor, so that the attractiveness is affected. In addition, as the yield increases, more packing personnel are required, the labor production cost is high, and the market competition pressure is high. Therefore, it is desirable to provide a tab folding device and a tab folding method for solving the above-mentioned problems.

Disclosure of Invention

The invention aims to provide the box ear folding device which can automatically complete the folding of the box ears of the packaging box, replaces manual operation, improves the production efficiency, reduces the demand on operators, further reduces the production cost of products and improves the market competitiveness of the products.

To achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a roll over box ear device for roll over box ear on the box body of packing carton, the box ear is followed the direction of height of box body is provided with at least one first crease, the box ear with be provided with the second crease between the box body, roll over box ear device includes:

A frame;

the folding box ear rod group is arranged on the rack and is provided with an ear groove;

the first linear driving device is arranged on the rack and is used for driving the box folding ear rod group to reciprocate along the horizontal direction so as to enable the box ear to be arranged in the ear groove or separated from the ear groove;

the second linear driving device is arranged on the frame and is used for driving the box folding ear rod group to reciprocate along the vertical direction so as to enable the box folding ear rod group to correspond to the first folds one by one in sequence;

the rotary driving device is arranged on the frame and is used for driving the box folding ear rod group to rotate so as to fold the box ears at the first folding mark;

the third linear driving device is arranged on the frame, the driving end of the third linear driving device is connected with a shaping block, and the third linear driving device is used for driving the shaping block to move towards the packaging box so that the box lugs are folded by the second folds.

Optionally, the method further comprises:

the mounting table is fixedly connected with the third linear driving device;

The first shaping module comprises a first shaping block fixed on the mounting table, a fourth linear driving device and a second shaping block arranged corresponding to the first shaping block, a shaping groove is formed between the first shaping block and the second shaping block, and the fourth linear driving device is used for driving the second shaping block to move towards the first shaping block;

the fifth linear driving device is fixed on the frame and connected with the mounting table, and the fifth linear driving device is used for driving the mounting table to move along the vertical direction, so that the box lugs which are folded at the first folding points are placed in the shaping groove or separated from the shaping groove, and the third linear driving device is suitable for driving the shaping blocks to fold the box lugs at the second folding points.

Optionally, the packaging box further comprises a stop lever fixed on the mounting table, wherein the stop lever can be placed on the inner side of the packaging box and can resist the box lug to prevent the box lug from being turned outwards.

Optionally, the packaging box further comprises a sixth linear driving device fixed on the mounting table, the driving end of the sixth linear driving device is connected with a first connecting rod, the first connecting rod can be placed on the inner side of the packaging box, and the sixth linear driving device is used for driving the first connecting rod to rotate, so that the tail end of the first connecting rod is propped against the box lug on the inner side of the packaging box.

Optionally, the device further comprises a seventh linear driving device fixed on the mounting table, the driving end of the seventh linear driving device is connected with a third shaping block, and the seventh linear driving device is used for driving the third shaping block to move along the vertical direction, so that the third shaping block is pressed against the box lug adjacent to the second fold, and the box lug adjacent to the second fold is arranged in parallel with the horizontal direction.

Optionally, a guide assembly is provided between the frame and the mounting table, the guide assembly being configured to guide movement of the mounting table in a vertical direction.

Optionally, the mounting table is provided with a sloping plate, the sloping plate and the horizontal direction form an included angle, and the third linear driving device is fixed on the sloping plate so that the third linear driving device drives the shaping block to move along the sloping direction of the sloping plate.

Optionally, the folding box ear rod group includes bracing piece and folding rod, the bracing piece with the folding rod all set up in on the driving end of rotary drive's the rotation end, the axis of bracing piece with rotary drive's axis of rotation coincidence sets up, the axis of folding rod with rotary drive's axis of rotation dislocation set, the bracing piece with be formed with the ear groove between the folding rod.

Optionally, two box ears are arranged on the box body, and the box ear folding rod group, the first linear driving device, the second linear driving device, the rotary driving device, the third linear driving device and the shaping block are respectively provided with two and are in one-to-one correspondence with the box ears.

Optionally, a positioning mold is arranged on the frame, and the positioning mold is used for fixing the packaging box.

Another object of the present invention is to provide a method for folding a box ear, which is suitable for a box ear folding device.

To achieve the purpose, the invention adopts the following technical scheme:

the box ear folding method using the box ear folding device comprises the following steps:

s100, driving the box folding ear rod group to move towards the box ear along the horizontal direction through the first linear driving device so that the box ear is placed in the ear groove, and the box folding ear rod group corresponds to the first crease at the outermost side;

s200, driving the box folding lug rod group to rotate through the rotary driving device so as to fold the box lugs;

s300, driving the box folding ear rod group to move back to the box ear along the horizontal direction through the first linear driving device so as to enable the box ear to be separated from the ear groove, and resetting the rotary driving device;

S400, driving the box folding ear rod group to downwards move along the vertical direction through the second linear driving device and sequentially correspond to each of the remaining first folds, driving the box folding ear rod group to horizontally move towards the box ears through the first linear driving device so as to enable the box ears to be placed in the ear grooves, and sequentially repeating the step S200 and the step S300 until all the first folds are folded;

s500, driving the shaping block to move towards the packaging box through the third linear driving device so as to enable the box lug to be folded at the second fold.

Optionally, the steps between the step S200 and the step S300 further include the following steps:

s210, driving the mounting table and the first shaping module to move towards the packaging box along the vertical direction through the fifth linear driving device so that the box lugs at the folding position in the step S200 are placed in the shaping groove; the method comprises the steps of,

the steps between the step S300 and the step S400 further include the following steps:

s310, driving the second shaping block to move towards the first shaping block through the fourth linear driving device so that the first shaping block and the second shaping block extrude the box ear.

Optionally, after the cartridge ear is placed in the ear groove in the step S400, the method further includes the following steps:

s410, driving the first connecting rod to rotate through the sixth linear driving device so that the tail end of the first connecting rod abuts against the box lug arranged on the inner side of the packaging box.

Optionally, after the step S500, the method further includes the following steps:

s510, driving the first connecting rod to rotate through the sixth linear driving device so as to enable the tail end of the first connecting rod to prop against the box lug arranged on the inner side of the packaging box;

and S520, driving the third shaping block to move along the vertical direction through the seventh linear driving device, so that the third shaping block is pressed against the box lug adjacent to the second crease, and the box lug adjacent to the second crease is arranged in parallel with the horizontal direction.

The beneficial effects are that:

according to the box folding ear device provided by the invention, the first linear driving device drives the box folding ear rod group to move towards the box ears along the horizontal direction so as to enable the box ears to be placed in the ear grooves, the second linear driving device drives the box folding ear rod group to move from top to bottom along the vertical direction so as to enable the box folding ear rod group to sequentially correspond to the first folds one by one, and the box folding ear rod group is driven to rotate through the rotary driving device so as to enable the box ears to be folded at the first folds, so that the folding of the box ears at all the first folds is completed; after the folding of the box lugs at all the first folds is completed, the third linear driving device drives the shaping block to move towards the packaging box, so that the box lugs are folded at the second folds, the folding of the box lugs is further completed, and the consistency of the box lugs is high. The automatic box ear folding device automatically completes the box ear folding of the packaging box, replaces manual operation, realizes automatic production of the box ear folding device, improves production efficiency, reduces the demand on operators, further reduces the production cost of products, and improves the market competitiveness of the products.

The method for folding the box ears is suitable for the box ear folding device, replaces manual operation, realizes automatic production of the box ears of the packaging box, improves production efficiency, reduces the demand on operators, further reduces the production cost of products, and improves the market competitiveness of the products.

Drawings

Fig. 1 is a schematic structural view of a box folding ear device provided by the invention;

fig. 2 is a schematic structural view of an unfolded pack of the ear case according to the present invention;

fig. 3 is a schematic structural view of the package with folded ears;

fig. 4 is a schematic view of a partial structure of the ear folding device provided by the invention;

fig. 5 is another partial schematic structural view of the ear folding device provided by the present invention;

FIG. 6 is a schematic view of a further partial structure of the ear folding device according to the present invention;

FIG. 7 is a schematic flow chart of the method for folding the box ear provided by the invention;

FIG. 8 is a detailed flow chart of an embodiment of the method for folding a tab according to the present invention;

fig. 9 is a detailed flow chart of another embodiment of the method for folding a box ear provided by the invention.

In the figure:

10. packaging box; 11. a case body; 12. a box ear; 21. a first folding portion; 22. a second folded portion; 23. a third folded portion; 31. a first crease; 32. a second crease;

100. A frame; 110. positioning a mold;

210. folding the box ear rod group; 211. a support rod; 212. a folding bar; 220. a first linear driving device; 230. a second linear driving device; 240. a rotation driving device;

310. a third linear driving device; 320. shaping blocks;

410. a mounting table; 411. a sloping plate; 420. a first shaping module; 421. a first molding block; 422. a fourth linear driving device; 423. a second shaping block; 430. a fifth linear driving device; 440. a stop lever; 451. a sixth linear driving device; 452. a first link; 453. a second link; 461. a seventh linear driving device; 462. a third shaping block; 470. a guide assembly; 471. a sliding seat; 472. and a slide bar.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1 to 3, the present embodiment provides a tab folding device for folding a tab 12 on a case 11 of a package 10. Wherein, the box ear 12 is provided with at least one first crease 31 along the height direction of the box body 11, and a second crease 32 is provided between the box ear 12 and the box body 11.

Specifically, the ear folding device includes a frame 100, a ear folding rod set 210, a first linear driving device 220, a second linear driving device 230, a rotary driving device 240, and a third linear driving device 310. The folding ear lever set 210, the first linear driving device 220, the second linear driving device 230, the rotary driving device 240 and the third linear driving device 310 are all disposed on the frame 100. Wherein, the ear rod group 210 is formed with an ear groove; the first linear driving device 220 is used for driving the box folding ear rod set 210 to reciprocate along the horizontal direction so as to enable the box ear 12 to be placed in the ear groove or separated from the ear groove; the second linear driving device 230 is configured to drive the folding box ear rod set 210 to reciprocate along a vertical direction, so that the folding box ear rod set 210 corresponds to the first folds 31 one by one in sequence; the rotation driving device 240 is used for driving the tab lever assembly 210 to rotate so as to fold the tab 12 at the first fold 31; the driving end of the third linear driving device 310 is connected to the shaping block 320, and the third linear driving device 310 is configured to drive the shaping block 320 to move towards the package 10, so that the tab 12 is folded at the second fold 32. The direction a in fig. 1 is a horizontal direction, and the direction b is a vertical direction.

In the present embodiment, the first linear driving device 220 drives the tab rod set 210 to move towards the tab 12 along the horizontal direction, so that the tab 12 is placed in the ear slot, and the second linear driving device 230 drives the tab rod set 210 to move from top to bottom along the vertical direction, so that the tab rod set 210 sequentially corresponds to the first folds 31 one by one, and the tab rod set 210 is driven to rotate by the rotary driving device 240, so that the tab 12 is folded at the first folds 31, and further the folding of the tab 12 at all the first folds 31 is completed; after the folding of the tab 12 at all the first folds 31 is completed, the third linear driving device 310 drives the shaping block 320 to move towards the package 10, so that the tab 12 is folded at the second folds 32, and the folding of the tab 12 is completed, and the consistency of the tab 12 is high. The box ear 12 of the packaging box 10 is automatically folded through the box ear folding device, manual operation is replaced, automatic production of the box ear 12 of the packaging box 10 is realized, production efficiency is improved, the demand to operators is reduced, the production cost of products is further reduced, and the market competitiveness of the products is improved.

Preferably, the tab 12 sequentially includes a first folding portion 21, a second folding portion 22 and a third folding portion 23 from the outermost side to the innermost side, a first crease 31 is disposed between the first folding portion 21 and the second folding portion 22 and between the second folding portion 22 and the third folding portion 23, a second crease 32 is disposed between the third folding portion 23 and the case 11, the tab 12 is shaped like a Chinese character 'kou' after folding, and the tab 12 and a product in the case 11 are mutually supported to keep the product and the tab 12 in a relatively stable position. In the present embodiment, the ear folding device folds the first folded portion 21, the second folded portion 22, and the third folded portion 23 in this order.

Preferably, the first linear driving device 220 is a linear cylinder, and the telescopic end of the first linear driving device 220 is fixedly connected with the rotary driving device 240. Of course, the first linear driving device 220 may also be an electric cylinder or other driving device, which is not limited herein.

Preferably, the second linear driving device 230 is a linear cylinder, the second linear driving device 230 is disposed on the frame 100, and a telescopic end of the second linear driving device 230 is fixedly connected to the first linear driving device 220. Of course, the second linear driving device 230 may also be an electric cylinder or other driving device, which is not limited herein.

Preferably, the third linear driving devices 310 are all linear cylinders. Of course, the third linear driving device 310 may also be an electric cylinder or other driving device, which is not limited herein.

Preferably, the rotary driving device 240 is a rotary cylinder, and the rotary end of the rotary cylinder is fixedly connected with the folding box ear rod group 210. Of course, the rotation driving device 240 may also be a motor or other driving device, which is not limited herein.

Specifically, the frame 100 is provided with a positioning mold 110, and the positioning mold 110 is used for fixing the package box 10, so that the package box 10 maintains a stable position relative to the frame 100, and the automatic box folding lug 12 is realized.

Specifically, two lugs 12 are disposed on the case 11, and two lug rod sets 210, two rotary driving devices 240, two third linear driving devices 310 and two shaping blocks 320 are disposed corresponding to the lugs 12 one by one. Specifically, two lugs 12 are respectively disposed on two opposite sides of the case 11.

In this embodiment, referring to fig. 4, the ear rod set 210 of the folding box includes a supporting rod 211 and a folding rod 212, the supporting rod 211 and the folding rod 212 are both disposed on the driving end of the rotation driving device 240, the axis of the supporting rod 211 is overlapped with the rotation axis of the rotation driving device 240, the axis of the folding rod 212 is offset from the rotation axis of the rotation driving device 240, and an ear slot is formed between the supporting rod 211 and the folding rod 212. In this embodiment, when the ear 12 is placed in the ear slot, the folding rod 212 is placed on the outer side of the ear 12, the supporting rod 211 is placed on the inner side of the ear 12, and the rotating end of the rotation driving device 240 rotates to drive the folding rod 212 to rotate around the supporting rod 211, the supporting rod 211 is used as a support for the ear 12, and the folding rod 212 drives the ear 12 to fold around the supporting rod 211. Further, the folding bar 212 rotates the first folding portion 21 around the supporting bar 211 to rotate the first folding portion 21 around the second folding portion 22 by an angle of 80 ° to 90 °. Further, the folding bar 212 drives the second folding portion 22 to rotate around the supporting bar 211, so that the second folding portion 22 rotates around the third folding portion 23 by an angle of 80 ° to 90 °.

It should be noted that the second linear driving device 230 can adjust the position on the frame 100 along the vertical direction, so that the tab folding device can be suitable for automatic folding of the tabs 12 of the multi-specification package 10 with the same tab 12 and different product heights and only the height of the box body 11.

In this embodiment, referring to fig. 5 to 6, the ear folding device further includes a mounting table 410, a first shaping module 420, and a fifth linear driving device 430. Specifically, the mounting table 410 is fixedly connected with the third linear driving device 310; the first shaping module 420 includes a first shaping block 421 fixed on the mounting table 410, a fourth linear driving device 422, and a second shaping block 423 disposed corresponding to the first shaping block 421, a shaping slot is formed between the first shaping block 421 and the second shaping block 423, and the fourth linear driving device 422 is used for driving the second shaping block 423 to move towards the first shaping block 421; the fifth linear driving device 430 is fixed on the frame 100, the fifth linear driving device 430 is connected to the mounting table 410, and the fifth linear driving device 430 is used for driving the mounting table 410 to move along a vertical direction, so that the folded box ear 12 at the first fold 31 is placed in or separated from the shaping groove, and the third linear driving device 310 is adapted to drive the shaping block 320 to fold the box ear 12 at the second fold 32. In this embodiment, taking the case where the ear 12 includes two first folds 31 as an example, the rotary driving device 240 drives the ear rod group 210 to fold the first folding portion 21 relative to the second folding portion 22, the fifth linear driving device 430 drives the mounting table 410 and the first shaping module 420 to move towards the package 10, so that the first folds 31 between the first folding portion 21 and the second folding portion 22 and the partial area between the first folding portion 21 and the second folding portion 22 are placed in the shaping groove, the ear 12 is separated from the ear groove, the fourth linear driving device 422 drives the second shaping block 423 to move towards the first shaping block 421 and press the first folding portion 21 and the second folding portion 22, and the fourth linear driving device 422 resets after the second shaping block 423 moves to a certain time, so as to reduce the rebound amount of the ear 12 and maintain the required folding angle between the first folding portion 21 and the second folding portion 22. Similarly, after the rotation driving device 240 drives the tab rod assembly 210 to complete the folding of the second folding portion 22 with respect to the third folding portion 23, the fifth linear driving device 430 drives the mounting table 410 and the first shaping module 420 to move towards the package 10, so that the partial areas of the second folding portion 22 and the third folding portion 23 and the first fold 31 between the second folding portion 22 and the third folding portion 23 are placed in the shaping groove, the tab 12 is separated from the tab groove, the fourth linear driving device 422 drives the second shaping block 423 to move towards the first shaping block 421 and press the second folding portion 22 and the third folding portion 23, and after the second shaping block 423 moves to a certain position and is kept for a certain time, the fourth linear driving device 422 resets, so as to reduce the resilience of the tab 12, and maintain a desired folding angle between the second folding portion 22 and the third folding portion 23. In addition, after the second folding portion 22 and the third folding portion 23 are shaped by the first shaping module 420, the third linear driving device 310 drives the shaping block 320 to fold the tab 12 at the second fold 32.

Specifically, the mounting table 410 is disposed above the hinge ear set 210.

Specifically, the first molding modules 420 are provided in two and one-to-one correspondence with the lugs 12.

Preferably, the fourth linear driving device 422 is a linear cylinder, and the telescopic end of the fourth linear driving device 422 is fixedly connected with the second shaping block 423. Of course, the fourth linear driving device 422 may also be a motor or other driving device, which is not limited herein.

Preferably, the fifth linear driving device 430 is an electric cylinder, and a telescopic end of the fifth linear driving device 430 is connected to the mounting table 410. In this embodiment, the fifth linear driving device 430 is driven by an electric cylinder using a motor as a power source, and the telescopic end position of the fifth linear driving device 430 can be flexibly set as required in the actual operation process, so that the automatic folding of the lugs 12 of the packaging box 10 with the same lugs 12 and only different product heights and box body 11 is applicable. Of course, the fifth linear driving device 430 may be another driving device, which is not limited herein.

Specifically, a guide assembly 470 is disposed between the frame 100 and the mounting table 410, and the guide assembly 470 is configured to guide movement of the mounting table 410 in a vertical direction, so that the mounting table 410 is more stable and reliable with respect to the frame 100, and the mounting table 410 is prevented from shaking with respect to the frame 100.

Specifically, the guide assembly 470 includes a sliding seat 471 and a sliding rod 472, the sliding seat 471 is fixed on the frame 100, a plurality of sliding holes are formed in the sliding seat 471, the sliding rod 472 is provided with a plurality of sliding holes and slides in a one-to-one correspondence manner, one end of the sliding rod 472 is connected with the mounting table 410, and the structure is simple and the assembly is convenient.

Specifically, the mounting table 410 is provided with an inclined plate 411, the inclined plate 411 forms an included angle with the horizontal direction, the third linear driving device 310 is fixed on the inclined plate 411 to enable the third linear driving device 310 to drive the shaping block 320 to move along the inclined direction of the inclined plate 411, the lugs 12 adjacent to the second fold 32 are pressed towards the inner side of the packaging box 10, the lugs 12 adjacent to the second fold 32 are parallel to the horizontal direction, the shaping block 320 is kept for a certain time, and then the third linear driving device 310 is reset to reduce the rebound quantity of the lugs 12. Further, two inclined plates 411 are provided on the mounting table 410 and are disposed in one-to-one correspondence with the third linear driving devices 310.

It should be noted that, the shaping block 320 is designed to be triangular, and when the shaping block 320 extrudes the lug 12 adjacent to the second fold 32 to be parallel to the horizontal direction, the shaping block 320 is in surface contact with the lug 12, so as to effectively improve the flatness of the surface of the lug 12 and avoid wrinkles. In addition, the rounded corner treatment is performed on one side of the shaping block 320 in line contact with the lug 12, so that the shaping block can slide smoothly relative to the lug 12 in the process of contact extrusion with the lug 12, and the situation of scratching and tearing the lug 12 is avoided.

In this embodiment, as shown in fig. 5 to 6, the lug folding device further includes a stop lever 440 fixed on the mounting table 410, where the stop lever 440 can be placed on the inner side of the package 10 and abut against the lug 12 to prevent the lug 12 from turning outwards. In this embodiment, taking the case ear 12 including two first folds 31 as an example, the fourth linear driving device 422 drives the second shaping block 423 to move towards the first shaping block 421 and press the first folding portion 21 and the second folding portion 22, the stop lever 440 is disposed at the inner side of the package box 10 and abuts against the first folding portion 21 to prevent the case ear 12 from being turned outwards, so as to ensure that the partial areas of the first folding portion 21 and the second folding portion 22 remain disposed in the shaping groove, and the first shaping block 421 and the second shaping block 423 can complete the pressing of the first folding portion 21 and the second folding portion 22. Similarly, in the process that the fourth linear driving device 422 drives the second shaping block 423 to move towards the first shaping block 421 and press the second folding portion 22 and the third folding portion 23, the stop lever 440 is disposed at the inner side of the package box 10 and abuts against the second folding portion 22 to prevent the tab 12 from turning outwards, so as to ensure that part of the areas of the second folding portion 22 and the third folding portion 23 remain disposed in the shaping groove, and the first shaping block 421 and the second shaping block 423 can press the second folding portion 22 and the third folding portion 23.

Specifically, two sets of blocking rods 440 are provided, and each set is provided with a plurality of blocking rods, the two sets of blocking rods 440 are arranged in a one-to-one correspondence with the lugs 12, and the two sets of blocking rods 440 can respectively prevent the two lugs 12 from being turned outwards.

In this embodiment, as shown in fig. 5 to 6, the ear folding device further includes a sixth linear driving device 451 fixed on the mounting table 410, a driving end of the sixth linear driving device 451 is connected to a first link 452, the first link 452 can be disposed inside the package 10, and the sixth linear driving device 451 is used for driving the first link 452 to rotate, so that an end of the first link 452 abuts against the ear 12 disposed inside the package 10. In this embodiment, taking the case ear 12 including two first folds 31 as an example, after the second folding portion 22 is folded with respect to the third folding portion 23, the sixth linear driving device 451 drives the first link 452 to rotate, and the end of the first link 452 abuts against the first folding portion 21 and keeps for a certain time, so that a required folding angle is further maintained between the first folding portion 21 and the second folding portion 22, and the first folding portion 21 is prevented from being turned outwards. Similarly, after the third folded portion 23 is folded with respect to the case 11, the sixth linear driving device 451 drives the first link 452 to rotate, and the end of the first link 452 presses against the second folded portion 22 for a certain period of time, so as to further maintain a desired folding angle between the second folded portion 22 and the third folded portion 23, and prevent the second folded portion 22 from turning over.

Preferably, the sixth linear driving device 451 is a linear cylinder. Of course, the sixth linear driving device 451 may also be a motor or other driving device, which is not limited herein.

Specifically, the telescopic end of the sixth linear driving device 451 is rotatably connected to two second links 453, and the two second links 453 are respectively rotatably connected to the two first links 452 one by one. In this embodiment, the telescopic end of the sixth linear driving device 451 moves downward in the vertical direction, the second link 453 drives the first link 452 to rotate around the mounting table 410, and the ends of the two first links 452 simultaneously rotate from the inner sides of the two sets of bars 440 to the outer sides of the two sets of bars 440 and act on the cartridge ears 12.

Further, the sixth linear driving device 451 is provided with two groups, and the corresponding first connecting rod 452 and second connecting rod 453 are provided with two groups, so that the first connecting rod 452 acts on two sides of the lug 12 along the horizontal direction stably, and the lug 12 is prevented from being askew due to extrusion of the first connecting rod 452.

In this embodiment, as shown in fig. 5 to 6, the ear folding device further includes a seventh linear driving device 461 fixed on the mounting table 410, the driving end of the seventh linear driving device 461 is connected with a third shaping block 462, and the seventh linear driving device 461 is configured to drive the third shaping block 462 to move in the vertical direction, so that the third shaping block 462 abuts against the ear 12 adjacent to the second fold 32, and the ear 12 adjacent to the second fold 32 is disposed parallel to the horizontal direction. In this embodiment, taking the case where the ear 12 includes two first folds 31 as an example, when the third linear driving device 310 drives the shaping block 320 to complete the folding of the ear 12 in the second folds 32, that is, after the folding of the third folding portion 23 relative to the case 11, the seventh linear driving device 461 drives the third shaping block 462 to move in the vertical direction, so that the third shaping block 462 abuts against the third folding portion 23, and the third folding portion 23 is parallel to the horizontal direction.

Preferably, the seventh linear driving device 461 is a linear cylinder, and the driving end, i.e. the telescopic end, of the seventh linear driving device 461 is connected to the third shaping block 462. Of course, the seventh linear driving device 461 may also be a motor or other driving device, which is not limited herein.

Specifically, the seventh linear driving device 461 and the third molding block 462 are each provided with two and are provided in one-to-one correspondence with the cartridge ears 12.

In this embodiment, the ear folding device further includes a controller (not shown), and each driving device is controlled by the controller to perform an operation. Preferably, the controller is a PLC controller.

As an example, the method of folding the tab of the tab folding device in the first embodiment may be used, and as shown with reference to fig. 7 to 9, the method of folding the tab includes the steps of:

s100, the first linear driving device 220 drives the box folding ear rod set 210 to move towards the box ear 12 along the horizontal direction, so that the box ear 12 is placed in the ear groove, and the box folding ear rod set 210 corresponds to the outermost first crease 31.

In the present embodiment, the outermost first crease 31 refers to the first crease 31 farthest from the case 11 in the height direction of the package 10 when the tab 12 of the package 10 is not folded.

Specifically, the folding bars 212 of the folding-ear bar group 210 are disposed on the outer side of the ears 12, and the support bars 211 are disposed on the inner side of the ears 12.

Further, the package 10 is placed in the positioning mold 110 before step S100.

It should be noted that, before step S100, it is ensured that all driving devices remain in an initial state.

It should be noted that, before step S100, the number of the first folds 31 may be input into the controller, so as to facilitate the subsequent control operation.

S200, the box folding ear rod group 210 is driven to rotate through the rotary driving device 240 so as to fold the box ears 12.

Specifically, the rotation driving device 240 drives the folding rod 212 to rotate around the supporting rod 211, the supporting rod 211 serves as a support for the lug 12, and the folding rod 212 drives the lug 12 to fold around the supporting rod 211. In this embodiment, taking the case ear 12 including two first folds 31 as an example, the folding bar 212 can drive the first folding portion 21 or the second folding portion 22 to rotate around the supporting bar 211.

S300, the first linear driving device 220 drives the box folding ear rod group 210 to move back to the box ear 12 along the horizontal direction, so that the box ear 12 is separated from the ear groove, and the rotary driving device 240 resets.

And S400, after the second linear driving device 230 drives the box folding ear rod group 210 to move downwards along the vertical direction and correspond to each of the remaining first folds 31 in sequence, the first linear driving device 220 drives the box folding ear rod group 210 to move towards the box ear 12 along the horizontal direction so as to enable the box ear 12 to be placed in the ear groove, and the step S200 and the step S300 are repeated in sequence until all the first folds 31 are folded.

In the present embodiment, taking the case ear 12 including two first folds 31 as an example, the first fold portion 21 is folded with respect to the second fold portion 22, then the second fold portion 22 is folded with respect to the third fold portion 23, and finally the third fold portion 23 is folded with respect to the case 11.

Specifically, the following steps are further included between step S200 and step S300:

s210, the mounting table 410 is driven by the fifth linear driving device 430 to move towards the package box 10 along the vertical direction, so that the lugs 12 at the folding position in step S200 are placed in the shaping groove.

Further, the following steps are included between the step S300 and the step S400:

and S310, the second shaping block 423 is driven to move towards the first shaping block 421 by the fourth linear driving device 422, so that the first shaping block 421 and the second shaping block 423 squeeze the cartridge lug 12.

In this embodiment, the process of pressing the ears 12 by the first shaping block 421 and the second shaping block 423 needs to be maintained for a certain time to maintain the desired folding angle of the ears 12 at the folding position in step S200.

It should be noted that, when the step S210 is performed after the first folding portion 21 is folded with respect to the second folding portion 22, the area of the region of the tab 12 placed in the shaping slot is greater than or equal to the area of the region of the tab 12 placed in the shaping slot when the step S210 is performed after the second folding portion 22 is folded with respect to the third folding portion 23, that is, in the process of the step S310, the first shaping block 421 and the second shaping block 423 squeeze the tab 12 to make the included angle between the first folding portion 21 and the second folding portion 22 smaller than or equal to the included angle between the second folding portion 22 and the third folding portion 23.

In this embodiment, the step S400 specifically includes the following steps:

after the second linear driving device 230 drives the tab rod set 210 to move downward in the vertical direction and sequentially correspond to each of the remaining first creases 31, the first linear driving device 220 drives the tab rod set 210 to move toward the tab 12 in the horizontal direction, so that the tab 12 is placed in the ear slot, and sequentially resets the fourth linear driving device 422 and the fifth linear driving device 430, and sequentially repeats steps S200, S210, S300 and S310 until all the first creases 31 are folded.

It should be noted that in step S400, the process of moving the tab set 210 downward in the vertical direction until the tab set 210 moves toward the tab 12 in the horizontal direction and the process of sequentially resetting the fourth linear driving device 422 and the fifth linear driving device 430 may be out of order.

It should be noted that, in step S300, the resetting process of the rotation driving device 240 may be performed simultaneously with step S310, so as to improve the production efficiency of the ear folding device.

In this embodiment, after the cartridge ear 12 is placed in the ear slot in step S400, the method further includes the following steps:

s410, the sixth linear driving device 451 drives the first link 452 to rotate, so that the end of the first link 452 abuts against the lug 12 disposed inside the package 10.

Specifically, as shown in fig. 8 and 9, step S410 is performed during or after the execution of steps S210 to S310.

In this embodiment, as shown in fig. 8, taking the case ear 12 including two first folds 31 as an example, the step S410 is specifically performed in the process of performing the steps S210 to S310: in the shaping process that the first shaping block 421 and the second shaping block 423 squeeze the second folded portion 22 and the third folded portion 23, the sixth linear driving device 451 drives the first link 452 to rotate so that the end of the first link 452 abuts against the first folded portion 21 and keeps for a certain time, and when the angle between the second folded portion 22 and the third folded portion 23 is shaped, a required folding angle between the first folded portion 21 and the second folded portion 22 is further kept. Further, after step S410 is completed, first the fourth linear driving device 422 is reset, and then the sixth linear driving device 451 is reset.

In this embodiment, as shown in fig. 9, taking the case ear 12 including two first folds 31 as an example, the execution of step S410 after the execution of step S210 to step S310 is specifically: after the first shaping block 421 and the second shaping block 423 squeeze the second folding portion 22 and the third folding portion 23 for a period of time, the sixth linear driving device 451 drives the first link 452 to rotate so that the end of the first link 452 abuts against the first folding portion 21, the fourth linear driving device 422 resets, and after the step of abutting the end of the first link 452 against the first folding portion 21 is maintained for a certain period of time, the sixth linear driving device 451 resets again.

S500, the shaping block 320 is driven by the third linear driving device 310 to move towards the packaging box 10, so that the box ear 12 is folded at the second fold 32.

In the present embodiment, after the tab 12 is folded at the second fold 32, the third folded portion 23 is parallel to the horizontal direction, and the tab 12 has a shape of a letter "kou".

It should be noted that, after step S500, the following steps are further included:

s510, the first link 452 is driven to rotate by the sixth linear driving device 451, so that the end of the first link 452 abuts against the lug 12 disposed inside the package 10.

Specifically, taking the case where the ear 12 includes two first folds 31 as an example, the shaping block 320 presses the third folded portion 23 to make the third folded portion 23 parallel to the horizontal direction, the sixth linear driving device 451 drives the first link 452 to rotate so that the end of the first link 452 abuts against the second folded portion 22 and is kept for a certain time, and when the shaping block 320 shapes the angle between the third folded portion 23 and the case 11, a desired folding angle is kept between the second folded portion 22 and the third folded portion 23 through the first link 452. After step S510 is completed, first, the sixth linear driving apparatus 451 is reset, and then the third linear driving apparatus 310 is reset.

S520, the third shaping block 462 is driven by the seventh linear driving device 461 to move in the vertical direction, so that the third shaping block 462 is pressed against the tab 12 adjacent to the second fold 32, and the tab 12 adjacent to the second fold 32 is disposed parallel to the horizontal direction.

Specifically, taking the case ear 12 including two first folds 31 as an example, the third shaping block 462 is pressed against the third folded portion 23 and keeps the third folded portion 23 parallel to the horizontal direction for a certain time, so as to shape the angle between the third folded portion 23 and the case 11. After step S520 is completed, the fifth and seventh linear drives 430 and 461 are reset.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (14)

1. The utility model provides a roll over box ear device for folding box ear (12) on box body (11) of packing carton (10), box ear (12) are followed the direction of height of box body (11) is provided with at least one first crease (31), box ear (12) with be provided with second crease (32) between box body (11), its characterized in that, roll over box ear device includes:

A frame (100);

the folding box ear rod group (210) is arranged on the frame (100), and the folding box ear rod group (210) is provided with an ear groove;

the first linear driving device (220) is arranged on the frame (100), and the first linear driving device (220) is used for driving the box folding ear rod group (210) to reciprocate along the horizontal direction so as to enable the box ear (12) to be arranged in the ear groove or separated from the ear groove;

the second linear driving device (230) is arranged on the frame (100), and the second linear driving device (230) is used for driving the box folding ear rod group (210) to reciprocate along the vertical direction so that the box folding ear rod group (210) is in one-to-one correspondence with the first folds (31) in sequence;

the rotary driving device (240) is arranged on the frame (100), and the rotary driving device (240) is used for driving the box folding ear rod group (210) to rotate so as to enable the box ear (12) to be folded at the first crease (31);

the third linear driving device (310) is arranged on the frame (100), the driving end of the third linear driving device (310) is connected with a shaping block (320), and the third linear driving device (310) is used for driving the shaping block (320) to move towards the packaging box (10) so that the box lugs (12) are folded at the second folds (32).

2. The cartridge ear device of claim 1, further comprising:

the mounting table (410), the third linear driving device (310) is fixedly connected to the mounting table (410);

the first shaping module (420) comprises a first shaping block (421) fixed on the mounting table (410), a fourth linear driving device (422) and a second shaping block (423) arranged corresponding to the first shaping block (421), a shaping groove is formed between the first shaping block (421) and the second shaping block (423), and the fourth linear driving device (422) is used for driving the second shaping block (423) to move towards the first shaping block (421);

the fifth linear driving device (430) is fixed on the frame (100), the fifth linear driving device (430) is connected with the mounting table (410), the fifth linear driving device (430) is used for driving the mounting table (410) to move along the vertical direction, so that the box ear (12) which is folded at the first fold (31) is placed in or separated from the shaping groove, and the third linear driving device (310) is suitable for driving the shaping block (320) to fold the box ear (12) at the second fold (32).

3. The tab folding device of claim 2, further comprising a stop lever (440) secured to the mounting platform (410), the stop lever (440) being positionable inside the package (10) and abutting the tab (12) to prevent eversion of the tab (12).

4. The box folding ear device according to claim 2, further comprising a sixth linear driving device (451) fixed on the mounting table (410), wherein a first connecting rod (452) is connected to a driving end of the sixth linear driving device (451), the first connecting rod (452) can be placed on the inner side of the package box (10), and the sixth linear driving device (451) is used for driving the first connecting rod (452) to rotate, so that the tail end of the first connecting rod (452) is pressed against the box ear (12) placed on the inner side of the package box (10).

5. The box folding ear device according to claim 2, further comprising a seventh linear driving device (461) fixed on the mounting table (410), wherein a third shaping block (462) is connected to a driving end of the seventh linear driving device (461), and the seventh linear driving device (461) is configured to drive the third shaping block (462) to move in a vertical direction, so that the third shaping block (462) is pressed against the box ear (12) adjacent to the second fold (32), and the box ear (12) adjacent to the second fold (32) is arranged parallel to a horizontal direction.

6. The hinge device according to claim 2, wherein a guiding assembly (470) is arranged between the frame (100) and the mounting table (410), the guiding assembly (470) being configured to guide the movement of the mounting table (410) in a vertical direction.

7. The lug folding device according to claim 2, wherein an inclined plate (411) is provided on the mounting table (410), the inclined plate (411) is disposed at an angle with the horizontal direction, and the third linear driving device (310) is fixed on the inclined plate (411) so that the third linear driving device (310) drives the shaping block (320) to move along the inclined direction of the inclined plate (411).

8. The ear folding device according to claim 1, wherein the ear folding device comprises a support rod (211) and a folding rod (212), the support rod (211) and the folding rod (212) are both arranged at the driving end of the rotary driving device (240), the axis of the support rod (211) is overlapped with the rotation axis of the rotary driving device (240), the axis of the folding rod (212) is staggered with the rotation axis of the rotary driving device (240), and an ear groove is formed between the support rod (211) and the folding rod (212).

9. The folding box ear device according to claim 1, wherein two box ears (12) are provided on the box body (11), and the folding box ear rod group (210), the first linear driving device (220), the second linear driving device (230), the rotary driving device (240), the third linear driving device (310) and the shaping block (320) are provided in two and are arranged in a one-to-one correspondence with the box ears (12).

10. The ear folding device according to claim 1, characterized in that a positioning die (110) is provided on the frame (100), the positioning die (110) being used for fixing the package (10).

11. A method of folding a box ear using the box ear folding device according to any one of claims 1 to 10, characterized by comprising the steps of:

s100, driving the box folding ear rod group (210) to move towards the box ear (12) along the horizontal direction through the first linear driving device (220) so that the box ear (12) is arranged in the ear groove, and the box folding ear rod group (210) corresponds to the outermost first crease (31);

s200, driving the box folding lug rod group (210) to rotate through the rotary driving device (240) so as to fold the box lugs (12);

s300, driving the box folding ear rod group (210) to move back to the box ear (12) along the horizontal direction through the first linear driving device (220) so as to enable the box ear (12) to be separated from the ear groove, and resetting the rotary driving device (240);

s400, driving the box folding ear rod group (210) to move downwards along the vertical direction through the second linear driving device (230) and sequentially corresponding to each remaining first crease (31), driving the box folding ear rod group (210) to move towards the box ears (12) along the horizontal direction through the first linear driving device (220), so that the box ears (12) are placed in the ear grooves, and sequentially repeating the step S200 and the step S300 until all the first creases (31) are folded;

S500, driving the shaping block (320) to move towards the packaging box (10) through the third linear driving device (310) so as to enable the box lug (12) to be folded at the second fold (32).

12. The method of claim 11, wherein the steps between the step S200 and the step S300 further comprise the steps of:

s210, driving the mounting table (410) and the first shaping module (420) to move towards the packaging box (10) along the vertical direction through the fifth linear driving device (430), so that the box lugs (12) at the folding position in the step S200 are placed in the shaping groove; the method comprises the steps of,

the steps between the step S300 and the step S400 further include the following steps:

s310, driving the second shaping block (423) to move towards the first shaping block (421) through the fourth linear driving device (422), so that the first shaping block (421) and the second shaping block (423) squeeze the box lug (12).

13. The method according to claim 12, wherein after the tab (12) is placed in the ear groove in step S400, the method further comprises the steps of:

s410, driving the first connecting rod (452) to rotate through the sixth linear driving device (451) so that the tail end of the first connecting rod (452) is abutted against the box lug (12) arranged on the inner side of the packaging box (10).

14. The method for folding a box ear according to claim 11, further comprising the following steps after the step S500:

s510, driving the first connecting rod (452) to rotate through the sixth linear driving device (451) so as to enable the tail end of the first connecting rod (452) to press against the box lug (12) arranged on the inner side of the packaging box (10);

s520, driving the third shaping block (462) to move along the vertical direction through the seventh linear driving device (461), so that the third shaping block (462) is pressed against the box lug (12) adjacent to the second fold (32), and the box lug (12) adjacent to the second fold (32) is arranged in parallel with the horizontal direction.

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