CN209274956U - A kind of finished product pen packaging of band detection closes case structure - Google Patents

Abstract

The finished product pen packaging that the utility model provides a kind of band detection closes case structure, including closes box device ontology, detection device；Box device ontology is closed for the 4th box body will to be formed in the open side tongue of third box body and inserted sheet income box body；Detection device, which is placed in, closes box device rear body；Detection device includes a gravity detection components；Gravity detection components are for detecting the 4th box body weight；If the 4th box body weight, within the scope of weight threshold, the 4th box body is qualified products；If the 4th box body weight exceeds weight threshold range, the 4th box body is substandard product.The utility model is solved to pack finished product pen and be detected by the way of gravity detection, improves whole production qualification rate, and in combination with industrial automation, it is horizontal to promote the packaging integrated automation of finished product pen.The utility model is designed reasonably is skillfully constructed, and implements convenient for automation, is conducive to an industry and promotes and applies.

Description

Finished product pen packing box closing mechanism with detection function

Technical Field

The utility model belongs to the automation field is a finished product pen packing box closing mechanism that area detected.

Background

A pen, which is a great creation of human beings, is a tool for writing or drawing, and draws characters, symbols, or pictures on paper or other solid surfaces with colored solids or liquids (inks) through a pen tip, and also uses a pencil or a carbon pen for writing and drawing by using the hardness of the solid pen tip. The existing common use is neutral pens and ball-point pens, and the drawing art manuscript and drawing are made by using multiple pencils.

Gel ink pen or ball-point pen are in packaging process, because the influence of pen clip on the cap, when appearing multirow pen and sealing the box packing, can't only load the pen according to same order, for packing reasonable arrangement simultaneously in the space of saving as far as possible, can stagger the cap of two adjacent rows of pens each other, adopt a positive one to arrange.

At present, the traditional packaging process mostly adopts manual packaging, the efficiency is low, and the correct filling can not be ensured; the degree of automation is low. On the other hand, in the process of automatically closing the finished pen box by adopting the automatic device, the number of pens in the box is easy to deviate, namely the packaged finished pen box is unqualified, and the light cannot be judged from the appearance.

In view of this, there is an urgent need for an improved closing mechanism for packaging finished pens.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a finished product pen packing that area detected closes box mechanism, the utility model discloses a mode solution that gravity detected detects finished product pen packing, improves the whole production qualification rate, combines industrial automation simultaneously, promotes the whole automation level of finished product pen packing.

The utility model provides a finished product pen package box closing mechanism with detection, which comprises a box closing device body and a detection device; the box closing device body is used for accommodating the opened side tongues and the inserting pieces of the third box body into the box body to form a fourth box body; the detection device is arranged at the rear part of the box closing device body; the detection device comprises a gravity detection component; the gravity detection assembly is used for detecting the weight of the fourth box body; if the weight of the fourth box body is within the weight threshold range, the fourth box body is a qualified product; and if the weight of the fourth box body exceeds the weight threshold range, the fourth box body is an unqualified product.

Preferably, the detection device further comprises a defective product collection frame, a defective product ejection assembly, a box body carrying assembly and a box body lifting assembly; wherein,

the box lifting assembly is used for lifting a fourth box to the box carrying assembly;

the box body carrying assembly is used for grabbing a fourth box body and carrying the fourth box body to the gravity detection assembly;

the defective product ejection assembly is used for ejecting a fourth box body according to the detection result of the gravity detection assembly;

and the defective product collecting frame is used for collecting the unqualified fourth box body.

Preferably, the box body carrying assembly comprises a carrying driving device, a carrying fixed base plate, a grabbing base frame, a carrying guide rail, a carrying sliding block, a grabbing driving device and a clamping jaw; the conveying driving device and the conveying guide rail are fixed on the conveying fixed substrate, and the conveying sliding block is matched with the conveying guide rail; the carrying slide block is fixedly connected with the grabbing base frame; the two ends of the grabbing base frame are respectively fixedly connected with the grabbing driving devices, and each grabbing driving device is connected with one clamping jaw; the carrying driving device drives the grabbing base frame to enable the clamping jaw to move along the direction of the carrying guide rail; and the grabbing driving device drives the clamping jaw to grab the fourth box body.

Preferably, the box body lifting assembly comprises a lifting block, a lifting driving device, a lifting connecting rod, a lifting connecting plate and a lifting base plate; the lifting connecting plate is used for fixing the lifting driving device on the lifting base plate; the lifting driving device is connected with the lifting connecting rod; the tail end of the lifting connecting rod is connected with the lifting block; the lifting driving device drives the lifting connecting rod, so that the lifting block lifts the fourth box body to the clamping jaw.

Preferably, the box closing device body comprises a box body conveying component, a first side tongue closing box component, a second side tongue closing box component, a first inserting piece box closing component and a second inserting piece box closing component; wherein,

the box body conveying assembly is used for conveying a third box body with finished pens inside;

the first lateral tongue closing box component and the second lateral tongue closing box component are used for pushing lateral tongues of a third box body into the third box body;

the first inserting piece box closing assembly and the second inserting piece box closing assembly are used for pushing inserting pieces at two ends of a third box body into the third box body;

the first side tongue closing box component and the second side tongue closing box component, and the first inserting piece closing box component and the second inserting piece closing box component are respectively positioned at two sides of the box body conveying component; the movement direction of the box body conveying component for conveying the third box body is taken as the front direction, the first inserting piece box closing component is positioned at the rear part of the second side tongue box closing component, and the second inserting piece box closing component is positioned at the rear part of the first side tongue box closing component;

preferably, the box conveying assembly comprises two groups of conveying chains driven by a power executing device, and a clamp used for clamping the third box is arranged on each group of conveying chains.

Preferably, each set of conveyor chains comprises a first conveyor chain, a second conveyor chain; the clamp is two oppositely arranged clamping blocks; the clamping block is L-shaped; the first conveying chain and the second conveying chain are respectively provided with oppositely arranged clamping blocks; and the clamping blocks on the first conveying chain and the clamping blocks on the second conveying chain clamp two sides of the third box body under the combined action.

Preferably, the first side tongue closure box assembly and the second side tongue closure box assembly are identical in structure; the first lateral tongue closing box assembly comprises a lateral tongue fixing seat, a lateral tongue transverse driving device, a lateral tongue first fixing plate, a lateral tongue second fixing plate, a lateral tongue first longitudinal driving device, a lateral tongue second longitudinal driving device, a lateral tongue first contact block, a lateral tongue second contact block and a lateral tongue deflector rod; the lateral tongue transverse driving device is arranged on the lateral tongue fixing seat; the first side tongue fixing plate is fixed on the side tongue fixing seat; the first longitudinal driving device of the side tongue is arranged on the first fixing plate of the side tongue; the first longitudinal driving device of the lateral tongue is connected with the first contact block of the lateral tongue; the side tongue deflector rod is arranged on the side tongue first contact block; the lateral tongue second fixing plate is fixedly connected with the lateral tongue transverse driving device; the side tongue second longitudinal driving device is arranged on the side tongue second fixing plate; the side tongue second collision block is connected with the side tongue second longitudinal driving device; the first side tongue abutting block and the second side tongue abutting block abut against side tongues on two sides of the third box body; the side tongue deflector rod touches a side tongue on one side of the third box body.

Preferably, the first tab closure component is identical in structure to the second tab closure component; the first inserting piece box closing assembly comprises a power driving device, a box closing transmission plate, a first pressing piece, a second pressing piece, a third pressing piece and a box closing stop block; the first pressing piece, the second pressing piece and the third pressing piece are fixed on the same side of the closed box transmission plate; flanges are arranged on the outer sides of the second pressing piece and the third pressing piece; the power driving device drives the box closing transmission plate to move periodically, so that the first pressing piece is matched with the box closing stop block to fold the inserting piece of the third box inwards, the second pressing piece inserts the inserting piece of the third box into the box body, and the third pressing piece enables the end of the third box to be flat.

Preferably, the power drive means comprises two rotating assemblies; the two rotating assemblies are fixedly connected with the closed box transmission plate through two closed box transmission shafts respectively; the rotating assembly comprises a closed box rotating shaft, a closed box belt wheel, a closed box rotating connecting block, a connecting bearing and a check ring; any one of the closed box rotating shafts in the two rotating assemblies is connected with a driving force; the closed box belt wheel is sleeved and fixed with the closed box rotating shaft; the closed box belt wheels in the two rotating assemblies are connected with each other through a belt; one end of the closed box rotating connecting block is fixed with the closed box rotating shaft, and the other end of the closed box rotating connecting block is fixed with the closed box transmission shaft through the connecting bearing and the check ring; the first inserting piece box closing assembly further comprises a tension wheel; the tensioning wheel is arranged between the two closed box belt wheels, so that a belt wound between the two closed box belt wheels is tensioned.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a finished product pen package box closing mechanism with detection, which comprises a box closing device body and a detection device; the box closing device body is used for taking the opened side tongue and the inserting piece of the third box body into the box body to form a fourth box body; the detection device is arranged at the rear part of the box closing device body; the detection device comprises a gravity detection component; the gravity detection component is used for detecting the weight of the fourth box body; if the weight of the fourth box body is within the weight threshold range, the fourth box body is a qualified product; and if the weight of the fourth box body exceeds the weight threshold range, the fourth box body is an unqualified product. The utility model discloses a mode that gravity detected is solved and is detected finished product pen packing, improves the whole production qualification rate, combines industrial automation simultaneously, promotes the whole automation level of finished product pen packing. The utility model relates to a rationally, think about ingeniously, the automation of being convenient for is implemented, is favorable to a trade popularization and application.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of a finished pen packaging box closing mechanism with detection of the present invention;

FIG. 2 is a schematic structural view of the closure device of the present invention;

FIG. 3 is a schematic view of a partial structure of a cassette conveying assembly according to the present invention;

FIG. 4 is a schematic view of a second partial structure of the box conveying assembly of the present invention;

FIG. 5 is a schematic structural view of a first lateral tongue closure box assembly of the present invention;

fig. 6 is a schematic structural view of a second lateral tongue closing box assembly, a first insert closing box assembly, and a second insert closing box assembly of the present invention;

fig. 7 is an exploded view of the first insert closing assembly of the present invention;

fig. 8 is a schematic structural diagram of the detecting device of the present invention;

FIG. 9 is a schematic structural view of a second detecting device of the present invention;

fig. 10 is a third schematic structural view of the detecting device of the present invention;

FIG. 11 is a schematic structural view of a box handling assembly of the present invention;

fig. 12 is a schematic structural view of the box lifting assembly of the present invention;

fig. 13 is a schematic structural view of a third box body of the present invention;

fig. 14 is a schematic structural view of a fourth box of the present invention.

Shown in the figure:

a box closing device body 500, a box body conveying assembly 510, a first conveying chain 511, a first section 5111, a second section 5112, a second conveying chain 512, a clamping block 513, a first clamping block 5131, a second clamping block 5132, a clamping flanging 5133, a first side tongue box closing assembly 520, a side tongue fixing seat 521, a side tongue transverse driving device 522, a side tongue first fixing plate 523, a side tongue second fixing plate 524, a side tongue first longitudinal driving device 525, a side tongue second longitudinal driving device 526, a side tongue first contact block 527, a side tongue second contact block 528, a side tongue 529, a second side tongue box closing assembly 530, a first inserting piece box closing assembly 540, an inserting piece box closing base 541, a box closing rotating shaft 5421, a box closing belt wheel 5422, a box closing rotating connecting block 5423, a connecting bearing 5424, a retaining ring 5425, a box closing transmission shaft 543, a box closing transmission plate, a first pressing piece 545, a second pressing piece 546, a third pressing piece 547, a box closing block 548, a tensioning wheel 549, a first pressing piece 549, a second pressing piece 545, a second, The second insert closing box assembly 550, the detection device 800, the defective product collection frame 810, the defective product ejection assembly 820, the ejection block 821, the box body carrying assembly 830, the carrying driving device 831, the carrying fixing base plate 832, the grabbing base frame 833, the carrying guide rail 834, the carrying sliding block 835, the grabbing driving device 836, the clamping jaw 837, the box body lifting assembly 850, the lifting block 851, the lifting driving device 852, the lifting connecting rod 853, the lifting connecting plate 854, the lifting base plate 855, the gravity detection assembly 860, the gravity sensor 861, the stagnation plate 862, the third box body 920 and the fourth box body 930.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the following embodiments or technical features can be used to form a new embodiment without conflict.

A finished pen package box closing mechanism with detection, as shown in fig. 1 and 8, comprising a box closing device body 500 and a detection device 800; the box closing device body 500 is used for receiving the open lateral tongues and the inserting pieces of the third box 920 into the box body to form a fourth box 930; the detection device 800 is arranged at the rear part of the box closing device body 500; the detection device 800 includes a gravity detection assembly 860; the gravity detecting assembly 860 is used for detecting the weight of the fourth cartridge 930; if the weight of the fourth cartridge 930 is within the weight threshold range, the fourth cartridge 930 is a qualified product; if the weight of the fourth cartridge 930 is outside the weight threshold range, the fourth cartridge 930 is an unacceptable product.

As shown in fig. 2, the box closing device body 500 comprises a box body conveying component 510, a first side tongue closing component 520, a second side tongue closing component 530, a first tab closing component 540, and a second tab closing component 550; wherein,

the cartridge transfer unit 510 is used to transfer a third cartridge 920 with finished pens inside;

the first side tongue closing box component 520 and the second side tongue closing box component 530 are used for pushing the side tongue of the third box 920 into the third box 920;

the first insert closing component 540 and the second insert closing component 550 are used for pushing the inserts at the two ends of the third box body 920 into the third box body 920;

the first side tongue closing component 520 and the second side tongue closing component 530, and the first insert closing component 540 and the second insert closing component 550 are respectively positioned at two sides of the box body conveying component 510; with the direction of movement of the cassette transport assembly 510 to transport the third cassette 920 being forward, the first tab closing assembly 540 is located behind the second side tab closing assembly 530, and the second tab closing assembly 550 is located behind the first side tab closing assembly 520; as shown in fig. 2, in the view angle of the figure, the second side tongue closing component 530 and the first inserting sheet closing component 540 are located on the same side for closing the rear end of the third box body 920, and as shown in fig. 2, the first side tongue closing component 520 and the second inserting sheet closing component 550 are located on the same side for closing the front end of the third box body 920.

As shown in fig. 3 and 4, the cassette conveying assembly 510 includes two sets of conveying chains driven by a power actuator, and each set of conveying chains is provided with a clamp for clamping the third cassette 920. In a preferred embodiment, each set of conveyor chains comprises a first conveyor chain 511, a second conveyor chain 512; the clamp is two oppositely arranged clamping blocks 513; the clamping block 513 is in an L shape; the first conveying chain 511 and the second conveying chain 512 are respectively provided with oppositely arranged clamping blocks 513; the clamping blocks 513 on the first conveying chain 511 and the clamping blocks 513 on the second conveying chain 512 clamp the two sides of the third box 920 together. As shown in fig. 4, one end of the first clamping block 5131 is fixed to the first section 5111 of the first conveying chain 511, and the other end is fixed to the second section 5112 of the first conveying chain 511, and the second clamping block 5132 is arranged opposite to the first clamping block 5131 and is installed on the second conveying chain 512; during clamping, the two sides of the third box 920 are clamped by the clamping flanges 5133 on the two adjacent clamping blocks 513, so that the third box 920 moves together with the conveying chain.

In a preferred embodiment, the first lateral tongue closure assembly 520 is identical in construction to the second lateral tongue closure assembly 530. As shown in fig. 5, the first lateral tongue closing box assembly 520 includes a lateral tongue fixing base 521, a lateral tongue transverse driving device 522, a lateral tongue first fixing plate 523, a lateral tongue second fixing plate 524, a lateral tongue first longitudinal driving device 525, a lateral tongue second longitudinal driving device 526, a lateral tongue first contact block 527, a lateral tongue second contact block 528, and a lateral tongue shift lever 529; the lateral tongue transverse driving device 522 is arranged on the lateral tongue fixing seat 521; the first lateral tongue fixing plate 523 is fixed on the lateral tongue fixing seat 521; the first longitudinal side tongue driving device 525 is mounted on the first side tongue fixing plate 523; the lateral tongue first longitudinal driving device 525 is connected with a lateral tongue first contact block 527; the side tongue deflector rod 529 is mounted on the side tongue first contact block 527; the lateral tongue second fixing plate 524 is fixedly connected with the lateral tongue transverse driving device 522; the lateral tongue second longitudinal driving means 526 is mounted on the lateral tongue second fixing plate 524; the lateral tongue second abutment block 528 is connected to the lateral tongue second longitudinal drive 526; the first contact block 527 of the side tongue and the second contact block 528 of the side tongue abut against the side tongues on the two sides of the third box 920; the side tongue shift lever 529 touches a side tongue of the third case 920. It is to be understood that the transverse direction is the direction coincident with the direction of travel of the conveyor chain and the longitudinal direction is the direction perpendicular to the direction of travel of the conveyor chain

In a preferred embodiment, as shown in FIG. 6, the first tab closure assembly 540 is identical in construction to the second tab closure assembly 550. As shown in fig. 7, the first tab closing assembly 540 comprises a power driving device, a closing box driving plate 544, a first pressing piece 545, a second pressing piece 546, a third pressing piece 547, a closing box stop 548; the first pressing plate 545, the second pressing plate 546 and the third pressing plate 547 are fixed on the same side of the closed box transmission plate 544; flanges are arranged on the outer sides of the second pressing sheet 546 and the third pressing sheet 547; the power driving device drives the closing box driving plate 544 to move periodically, so that the first pressing plate 545 cooperates with the closing box stopping block 548 to fold the inserting sheet of the third box 920 inwards, so that the second pressing plate 546 inserts the inserting sheet of the third box 920 into the box, and the third pressing plate 547 flattens the end of the third box 920.

In this embodiment, the power drive means comprises two rotating assemblies; the two rotating assemblies are respectively fixedly connected with the closed box transmission plate 544 through the two closed box transmission shafts 543; the rotating assembly comprises a closed box rotating shaft 5421, a closed box belt wheel 5422, a closed box rotating connecting block 5423, a connecting bearing 5424 and a retainer ring 5425; any closed box rotating shaft 5421 in the two rotating assemblies is connected with a driving force; the closed box belt wheel 5422 is sleeved and fixed with the closed box rotating shaft 5421; the close cassette pulleys 5422 in the two rotating assemblies are connected to each other by a belt; one end of the closing box rotating connecting block 5423 fixes the closing box rotating shaft 5421, and the other end of the closing box rotating connecting block fixes the closing box transmission shaft 543 through a connecting bearing 5424 and a retaining ring 5425. Preferably, the first tab closure assembly 540 further comprises a tensioning wheel 549; the tension wheel 549 is fixedly installed on the inserting sheet closing box base 541, and the tension wheel 549 is simultaneously positioned between the two closing box belt wheels 5422, so that the belt wound between the two closing box belt wheels 5422 is tensioned. In the present embodiment, as shown in fig. 9, the power of the closure rotation shaft 5421 comes from the mechanism transmission assembly 590, and the power transmission, the arrangement rotation speed and the cycle period are realized by an intermediate transmission device such as a bevel gear, a worm gear, a belt transmission or the like. As shown in fig. 13 and 14, the third box 920 is subjected to a box closing process of the box closing apparatus body 500 to obtain a fourth box 930, so as to realize automatic box closing of the finished pen packaging box.

In-process of packing into fourth box body 930 at third box body 920, whether the production line itself can't learn the finished product pen quantity in the fourth box body 930 and satisfy the requirement, only can't judge from the outward appearance, so the utility model discloses in adopt the mode of weight to judge, improve the product percent of pass.

As shown in fig. 8-12, the inspection apparatus 800 further includes a defective collection frame 810, a defective ejection assembly 820, a cassette carrying assembly 830, and a cassette lifting assembly 850; wherein,

the cassette lifting assembly 850 is used to lift the fourth cassette 930 to the cassette carrier assembly 830;

the cassette transport assembly 830 is used to grab and transport the fourth cassette 930 onto the gravity sensing assembly 860;

the defective ejection assembly 820 is used for ejecting the fourth box 930 according to the detection result of the gravity detection assembly 860; as shown in fig. 9 and 10, when the gravity sensor 861 of the gravity detecting unit 860 detects that the fourth cassette 930 is defective, the cassette conveying unit 830 places the fourth cassette 930 on the stop plate 862, the ejector block 821 of the defective ejection unit 820 is driven by power to perform the ejection operation, and the defective fourth cassette 930 is ejected to the defective collection frame 810.

The defective collecting frame 810 is used to collect the defective fourth cartridge 930.

As shown in fig. 11, in a preferred embodiment, the cassette carrying assembly 830 includes a carrying driving device 831, a carrying fixed substrate 832, a grabbing base 833, a carrying rail 834, a carrying slider 835, a grabbing driving device 836, and a clamping jaw 837; the carrying driving device 831 and the carrying guide 834 are fixed on the carrying fixed substrate 832, and the carrying slide 835 is matched with the carrying guide 834; the carrying slide block 835 is fixedly connected with the grabbing base frame 833; two ends of the grabbing base frame 833 are respectively fixedly connected with a grabbing driving device 836, and each grabbing driving device 836 is connected with a clamping jaw 837; the carrying driving device 831 drives the grabbing base frame 833 to enable the clamping jaw 837 to move along the direction of the carrying guide rail 834; the grasping drive 836 drives the gripping jaws 837 to grasp the fourth cartridge 930.

As shown in fig. 12, in a preferred embodiment, the cassette lifting assembly 850 includes a lifting block 851, a lifting driving device 852, a lifting connection rod 853, a lifting connection plate 854, and a lifting base 855; the lift connecting plate 854 is used to fix the lift driving device 852 on the lift base plate 855; the lifting driving device 852 is connected with a lifting connecting rod 853; the lifting connecting rod 853 is connected with a lifting block 851 at the end; the lifting driving device 852 drives the lifting connection rod 853 so that the lifting block 851 lifts the fourth box body 930 to the clamping jaw 837.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims (10)

1. A finished product pen package box closing mechanism with detection comprises a box closing device body (500) and a detection device (800); the method is characterized in that: the box closing device body (500) is used for receiving the open lateral tongues and the inserting pieces of the third box body (920) into the box body to form a fourth box body (930); the detection device (800) is arranged at the rear part of the box closing device body (500); the detection device (800) comprises a gravity detection assembly (860); the gravity detection component (860) is used for detecting the weight of the fourth box body (930); if the weight of the fourth box body (930) is within the weight threshold value range, the fourth box body (930) is a qualified product; if the weight of the fourth box (930) exceeds the weight threshold range, the fourth box (930) is a defective product.

2. The finished pen package closing mechanism with detection as claimed in claim 1, wherein: the detection device (800) further comprises a defective product collection frame (810), a defective product ejection assembly (820), a box body carrying assembly (830) and a box body lifting assembly (850); wherein,

the cassette lifting assembly (850) is used for lifting a fourth cassette (930) to the cassette carrying assembly (830);

the cassette handling assembly (830) is configured to grasp and handle a fourth cassette (930) onto the gravity sensing assembly (860);

the defective product ejection assembly (820) is used for ejecting a fourth box body (930) according to the detection result of the gravity detection assembly (860);

the defective collecting frame (810) is used for collecting the defective fourth cartridge (930).

3. The finished pen package closing mechanism with detection as claimed in claim 2, wherein: the box body carrying assembly (830) comprises a carrying driving device (831), a carrying fixed substrate (832), a grabbing base frame (833), a carrying guide rail (834), a carrying sliding block (835), a grabbing driving device (836) and a clamping jaw (837); the conveying driving device (831) and the conveying guide rail (834) are fixed on the conveying fixed substrate (832), and the conveying slide block (835) is matched with the conveying guide rail (834); the carrying slide block (835) is fixedly connected with the grabbing base frame (833); two ends of the grabbing base frame (833) are respectively and fixedly connected with the grabbing driving device (836), and each grabbing driving device (836) is connected with a clamping jaw (837); the carrying driving device (831) drives the grabbing base frame (833) to enable the clamping jaw (837) to move along the direction of the carrying guide rail (834); the grabbing driving device (836) drives the clamping jaw (837) to grab the fourth box body (930).

4. The finished pen package closing mechanism with detection as claimed in claim 3, wherein: the box body lifting assembly (850) comprises a lifting block (851), a lifting driving device (852), a lifting connecting rod (853), a lifting connecting plate (854) and a lifting base plate (855); the lifting connecting plate (854) is used for fixing the lifting driving device (852) on the lifting base plate (855); the lifting driving device (852) is connected with the lifting connecting rod (853); the tail end of the lifting connecting rod (853) is connected with the lifting block (851); the lifting driving device (852) drives the lifting connecting rod (853) so that the lifting block (851) lifts the fourth box body (930) to the clamping jaw (837).

5. The finished pen package closing mechanism with detection as claimed in claim 1, wherein: the box closing device body (500) comprises a box body conveying component (510), a first side tongue closing box component (520), a second side tongue closing box component (530), a first inserting piece box closing component (540) and a second inserting piece box closing component (550); wherein,

the box body conveying assembly (510) is used for conveying a third box body (920) with finished pens arranged inside;

the first side tongue closing box component (520) and the second side tongue closing box component (530) are used for pushing the side tongues of the third box body (920) into the third box body (920);

the first inserting sheet closing component (540) and the second inserting sheet closing component (550) are used for pushing the inserting sheets at two ends of the third box body (920) into the third box body (920);

the first side tongue closing box component (520) and the second side tongue closing box component (530), and the first inserting sheet closing box component (540) and the second inserting sheet closing box component (550) are respectively positioned at two sides of the box body conveying component (510); the moving direction of the box body conveying component (510) for conveying the third box body (920) is taken as the forward direction, the first inserting sheet box closing component (540) is positioned at the rear part of the second side tongue box closing component (530), and the second inserting sheet box closing component (550) is positioned at the rear part of the first side tongue box closing component (520).

6. The finished pen package closing mechanism with detection as claimed in claim 5, wherein: the box body conveying assembly (510) comprises two groups of conveying chains driven by a power executing device, and a clamp used for clamping the third box body (920) is installed on each group of conveying chains.

7. The finished pen packaging box closing mechanism with detection function as claimed in claim 6, wherein: each set of transmission chains comprises a first transmission chain (511) and a second transmission chain (512); the clamp is two oppositely arranged clamping blocks (513); the clamping block (513) is L-shaped; the first conveying chain (511) and the second conveying chain (512) are respectively provided with oppositely arranged clamping blocks (513); the clamping blocks (513) on the first conveying chain (511) and the clamping blocks (513) on the second conveying chain (512) clamp two sides of a third box body (920) together.

8. The finished pen package closing mechanism with detection as claimed in claim 5, wherein: the first side tongue closure box assembly (520) and the second side tongue closure box assembly (530) are identical in structure; the first lateral tongue closing box assembly (520) comprises a lateral tongue fixing seat (521), a lateral tongue transverse driving device (522), a lateral tongue first fixing plate (523), a lateral tongue second fixing plate (524), a lateral tongue first longitudinal driving device (525), a lateral tongue second longitudinal driving device (526), a lateral tongue first contact block (527), a lateral tongue second contact block (528) and a lateral tongue deflector rod (529); the lateral tongue transverse driving device (522) is arranged on the lateral tongue fixing seat (521); the first lateral tongue fixing plate (523) is fixed on the lateral tongue fixing seat (521); the lateral tongue first longitudinal driving device (525) is arranged on the lateral tongue first fixing plate (523); the lateral tongue first longitudinal driving device (525) is connected with the lateral tongue first butting block (527); the side tongue deflector rod (529) is arranged on the side tongue first contact block (527); the lateral tongue second fixing plate (524) is fixedly connected with the lateral tongue transverse driving device (522); the lateral tongue second longitudinal driving device (526) is installed on the lateral tongue second fixing plate (524); the lateral tongue second abutment block (528) is connected with the lateral tongue second longitudinal driving device (526); the first side tongue contact block (527) and the second side tongue contact block (528) are abutted against the side tongues on the two sides of the third box body (920); the side tongue deflector rod (529) touches the side tongue on one side of the third box body (920).

9. The finished pen package closing mechanism with detection as claimed in claim 5, wherein: the first tab closing box assembly (540) and the second tab closing box assembly (550) are identical in structure; the first inserting piece box closing assembly (540) comprises a power driving device, a box closing transmission plate (544), a first pressing piece (545), a second pressing piece (546), a third pressing piece (547) and a box closing stop block (548); the first pressing piece (545), the second pressing piece (546) and the third pressing piece (547) are fixed on the same side of the closing box transmission plate (544); flanges are arranged on the outer sides of the second pressing sheet (546) and the third pressing sheet (547); the power driving device drives the closing box transmission plate (544) to do periodic movement, so that the first pressing plate (545) is matched with the closing box stop block (548) to fold the inserting sheet of the third box body (920) inwards, the second pressing plate (546) inserts the inserting sheet of the third box body (920) into the box body, and the third pressing plate (547) flattens the end of the third box body (920).

10. The finished pen package closing mechanism with detection as claimed in claim 9, wherein: the power driving device comprises two rotating assemblies; the two rotating assemblies are respectively fixedly connected with the closed box transmission plate (544) through two closed box transmission shafts (543); the rotating assembly comprises a closed box rotating shaft (5421), a closed box belt wheel (5422), a closed box rotating connecting block (5423), a connecting bearing (5424) and a check ring (5425); any one closed box rotating shaft (5421) in the two rotating assemblies is connected with a driving force; the closed box belt wheel (5422) is sleeved and fixed with the closed box rotating shaft (5421); the closing belt pulleys (5422) in the two rotating assemblies are connected with each other through a belt; one end of the closed box rotating connecting block (5423) is fixed with the closed box rotating shaft (5421), and the other end of the closed box rotating connecting block is fixed with the closed box transmission shaft (543) through the connecting bearing (5424) and the retainer ring (5425); the first inserting piece box closing assembly (540) further comprises a tension wheel (549); the tension wheel (549) is arranged between the two box closing belt wheels (5422) so as to tension the belt wound between the two box closing belt wheels (5422).