Document packaging equipment

Abstract

The present invention discloses a document packaging device, which includes a mounting frame, an envelope conveying mechanism, a pasting mechanism and a return order inserting mechanism. The mounting frame is formed with a feeding station, a filling station, a packaging station, a form pasting station and a return order inserting station; the envelope conveying mechanism includes a conveyor belt, which is arranged on the mounting frame to drive the envelope to move between the feeding station, the filling station, the packaging station, the form pasting station and the return order inserting station; the pasting mechanism is arranged on the mounting frame and located at the form pasting station to paste the express order onto the envelope; the return order inserting mechanism is arranged on the mounting frame and located at the return order inserting station to insert the return order into the envelope. The document packaging device of the present invention can solve the problems of low efficiency and easy errors when manually pasting express orders and returning orders and issuing documents.

Description

Technical Field

[0001] The present invention relates to the field of mechanical automation technology, and in particular to a document packaging device. Background Art

[0002] With the rapid development of the logistics industry, large-scale envelope mailings are increasing. Sending documents by letter is one of the common methods used by many companies, schools and government agencies. Especially schools and government agencies need to express a large number of documents frequently.

[0003] Normally, documents or other paper materials are manually placed into envelopes and sealed, and then a courier slip is attached to the surface of the envelope and sent out through logistics. In the case where the recipient needs to sign for the documents and send some documents back to the sender or to the new recipient designated by the sender, it is also necessary to fill in the relevant information required for the new return on the return slip, and send the return slip and the envelope together to the recipient. However, when a large number of documents need to be sent out, a dedicated person is required to perform the above operations, and a courier slip needs to be attached to each envelope, and the return slip also needs to be manually stuffed into the envelope. The whole process is inefficient and very cumbersome, time-consuming and labor-intensive, and it is easy to make mistakes when people repeat the same work for a long time. Summary of the invention

[0004] The main purpose of the present invention is to provide a document packaging device, which aims to solve the problems of low efficiency and easy errors when manually pasting express delivery orders and return orders and issuing documents.

[0005] In order to achieve the above-mentioned object, the document packaging device proposed in the present invention comprises:

[0006] An installation frame is formed with a feeding station, a filling station, a packaging station, a label sticking station and a label return station;

[0007] An envelope conveying mechanism, comprising a conveyor belt, is disposed on the mounting frame and is used to drive envelopes to move between the feeding station, the filling station, the packaging station, the label sticking station and the label returning station;

[0008] A pasting mechanism, which is arranged on the mounting frame and located at the label pasting station, and is used to paste the express label onto the envelope; and

[0009] A return order inserting mechanism is arranged on the mounting frame and located at the return order inserting station, and is used for inserting the return order into the envelope.

[0010] In one embodiment, the pasting mechanism includes a mounting frame, a first adsorption component and a gluing component. A placement area, a gluing area and a pasting area are formed below the mounting frame. The first adsorption component is used to drive the express form to move between the placement area, the gluing area and the pasting area. The gluing component is arranged in the gluing area to apply sticky material to the express form.

[0011] In one embodiment, the gluing assembly includes a shell, a gluing plate and a glue delivery pipe. The shell is provided with a plurality of glue outlet holes. A accommodating cavity for placing the viscous material is formed in the shell. The gluing plate is arranged in the accommodating cavity and is movable in the up and down directions. One end of the glue delivery pipe is arranged as a glue injection port, and the other end of the glue delivery pipe is connected to the accommodating cavity.

[0012] In one embodiment, a glue-applying column is provided on one side of the glue-applying plate facing the glue-discharging hole, and a diameter of the glue-applying column is smaller than a diameter of the glue-discharging hole.

[0013] In one embodiment, the first adsorption component includes a movable part and a first adsorption part; the movable part includes a first driving mechanism, a movable plate and a connecting part, the movable plate is installed on the mounting frame, the connecting part is installed on the movable plate, and the connecting part is connected to the first driving mechanism; the first adsorption part includes a second driving mechanism, a second mounting plate and a suction cup, the second driving mechanism is installed on the movable plate and connected to the second mounting plate, and the suction cup is installed on the second mounting plate.

[0014] In one embodiment, the return order mechanism includes:

[0015] A bracket, the bracket comprising a fixing bracket and a first mounting plate, an opening being formed between the fixing bracket and the first mounting plate;

[0016] A moving assembly, the moving assembly is located below the opening, the moving assembly is movably mounted on the fixed frame, the moving assembly includes a moving member and a rotating member, the moving member is movably mounted on the bracket; the rotating member has an initial state and a working state, the rotating member is rotatably mounted on the moving member to switch between the initial state and the working state;

[0017] A tray assembly, the tray assembly is mounted on the first mounting plate and is used to place a return order;

[0018] a suction cup assembly, the suction cup assembly being mounted on the fixing frame and being located below the first mounting plate, for opening the envelope; and

[0019] A return slip inserting component is installed on the fixing frame and is located at the opening, so as to insert the return slip into the envelope through the opening.

[0020] In one embodiment, the return slip inserting assembly includes a base, a movable plate, an inserting plate and a third driving mechanism; the base is installed on the bracket, the third driving mechanism is installed on the base, the movable plate is connected to the third driving mechanism, and the inserting plate is connected to the movable plate; a socket is provided on the tray assembly, and the inserting plate is provided corresponding to the socket so as to insert the return slip downward into the envelope.

[0021] In one embodiment, the document packaging device further includes an envelope feeding mechanism, and the envelope feeding mechanism includes:

[0022] A bearing structure is arranged on the mounting frame, a bearing surface is formed on the bearing structure, and a plurality of stacked envelopes are placed on the bearing surface, and a discharge port is formed on one side of the bearing surface;

[0023] a second adsorption assembly, provided on the mounting frame and located at the lower end of the bearing structure, the second adsorption assembly being arranged corresponding to the discharge port; and

[0024] A discharging assembly is formed with a clamping portion movably mounted on the mounting frame, the clamping portion is located at one side of the second adsorption assembly, and the clamping portion is arranged corresponding to the conveyor belt;

[0025] Among them, the second adsorption component extends upward to the discharge port, and downwardly adsorbs the envelope located at the bottom layer, so that the end of the envelope is exposed downward from the discharge port to form a pulling end, and the clamping part moves to the left to clamp the pulling end, and moves to the right to pull out the envelope, and send the envelope to the conveyor belt at the feeding station.

[0026] In one embodiment, the document packaging device further includes a document feeding device, and the document feeding device includes:

[0027] An envelope opening mechanism, disposed on the mounting frame, for opening the open end of the envelope at the filling station to form an open empty envelope;

[0028] A document conveying mechanism, disposed on the mounting frame, for conveying documents to be packaged; and

[0029] The document filling mechanism is arranged on the installation frame and is arranged corresponding to the conveyor belt for receiving the document to be packaged from the document conveying mechanism and filling the document to be packaged into the open empty envelope on the conveyor belt.

[0030] In one embodiment, the document packaging device further includes an envelope packaging device, the envelope includes an envelope body and an envelope hinge for covering an opening of the envelope body, and the envelope packaging device includes:

[0031] A pressing structure, provided on the mounting frame, for pressing the envelope body;

[0032] A tearing structure, provided on the mounting frame, for tearing off the release paper provided on the envelope hinge;

[0033] A folding structure, provided on the mounting frame, for folding the envelope hinge upwards; and

[0034] The rolling structure is arranged on the mounting frame and is used for pressing the folded envelope hinge onto the envelope body along the front-back direction.

[0035] The technical solution of the present invention is to set a pasting mechanism and a return order mechanism in the document packaging equipment. When the envelope flows through the feeding station, the filling station, and the packaging station on the conveyor belt and reaches the order pasting station, the pasting mechanism pastes the express order to the surface of the envelope, and then the envelope is transferred to the return order inserting station, and the return order inserting mechanism inserts the return order into the envelope. At this point, the entire process of the document packaging equipment is completed. Traditionally, pasting express orders and inserting return orders are manually operated. The technical solution of the present invention realizes the automated operation of pasting express orders and inserting return orders. Based on this, the efficiency of pasting express orders and inserting return orders can be improved, thereby improving the efficiency of sorting and sending documents, while also reducing the error-prone problems caused by long-term manual operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0037] Figure 1 It is a structural schematic diagram of an embodiment of a document packaging device of the present invention;

[0038] Figure 2 for Figure 1 A schematic diagram of the structure without the hood;

[0039] Figure 3 for Figure 2 A schematic diagram of the structure of the pasting mechanism of the middle structure;

[0040] Figure 4 for Figure 3 A schematic diagram of a portion of the structure in the middle;

[0041] Figure 5 for Figure 3 A schematic diagram of a portion of the structure in the middle;

[0042] Figure 6 for Figure 3 A schematic diagram of a portion of the structure in the middle;

[0043] Figure 7 for Figure 2 A schematic diagram of the structure of the plug-return mechanism in the middle structure;

[0044] Figure 8 for Figure 7 A schematic diagram of a portion of the structure in the middle;

[0045] Fig. 9 for Figure 7 A schematic diagram of a portion of the structure in the middle;

[0046] Fig.10 for Figure 7 Schematic diagram of the plug-return single component structure of the middle structure;

[0047] Fig.11 for Figure 2 Partial structural diagram of the envelope feeding mechanism;

[0048] Fig.12 for Figure 2 A schematic diagram of the structure of a document feeding device of a medium structure;

[0049] Fig.13 for Figure 2 A schematic structural diagram of an envelope packaging device with a medium structure.

[0050] Description of Figure Numbers:

[0051]

[0052]

[0053] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0054] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0055] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0056] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if the meaning of "and / or" appearing in the full text is to include three parallel schemes, taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0057] The present invention proposes an embodiment of a document packaging device 1, which is mainly used for automating operations such as printing, packaging, and labeling of documents when many enterprises, schools, and government agencies currently send documents by mail, thereby freeing up manpower and improving efficiency.

[0058] See also Figure 1 and Figure 2 In one embodiment of the present invention, the document packaging device 1 includes a mounting frame 10, an envelope conveying mechanism 20, a pasting mechanism 30 and a return order inserting mechanism 40. The mounting frame 10 is formed with a feeding station 11, a filling station 12, a packaging station 13, a form pasting station 14 and a return order inserting station 15; the envelope conveying mechanism 20 includes a conveyor belt 21, and the envelope conveying mechanism 20 is arranged on the mounting frame 10 to drive the envelope to move between the feeding station 11, the filling station 12, the packaging station 13, the form pasting station 14 and the return order inserting station 15; the pasting mechanism 30 is arranged on the mounting frame 10 and is located at the form pasting station 14 to paste the express delivery form on the envelope; the return order inserting mechanism 40 is arranged on the mounting frame 10 and is located at the return order inserting station 15 to insert the return order into the envelope.

[0059] Specifically, the feeding station 11 is mainly used to place envelopes, the filling station 12 is mainly used to fill the documents to be sent into the envelopes, the packaging station 13 is mainly used to seal the filled envelopes, the label pasting station 14 is mainly used to paste the express bill on the outer surface of the envelope, and the return bill inserting station 15 is mainly used to insert the return bill with the secondary recipient information into the envelope. The envelope conveying mechanism 20 includes a conveyor belt 21 and a driving mechanism for driving the conveyor belt to move. The envelope is placed on the conveyor belt 21, and the conveyor belt 21 can drive the envelope to move between the feeding station 11, the filling station 12, the packaging station 13, the label pasting station 14 and the return bill inserting station 15 to complete the corresponding operation on the envelope.

[0060] The technical solution of the present invention is to set a pasting mechanism 30 and a return order mechanism 40 in the document packaging equipment 1. When the envelope flows through the feeding station 11, the filling station 12, and the packaging station 13 on the conveyor belt 21 and reaches the order pasting station 14, the pasting mechanism 30 pastes the express order to the surface of the envelope, and then the envelope is transferred to the return order insertion station 15, and the return order insertion mechanism 40 inserts the return order into the envelope. At this point, the entire process of the document packaging equipment 1 is completed. Traditionally, pasting express orders and inserting return orders are manually operated. The technical solution of the present invention realizes the automated operation of pasting express orders and inserting return orders. Based on this, the efficiency of pasting express orders and inserting return orders can be improved, thereby improving the efficiency of sorting and sending documents, while also reducing the error-prone problems caused by long-term manual operation.

[0061] See also Figure 3 In one embodiment, the pasting mechanism 30 includes a mounting frame 31, a first adsorption component 32 and a gluing component 33. A placement area 311, a gluing area 312 and a pasting area 313 are formed below the mounting frame 31. The first adsorption component 32 is used to drive the express bill to move between the placement area 311, the gluing area 312 and the pasting area 313. The gluing component 33 is arranged in the gluing area 312 to apply sticky material to the express bill.

[0062] Specifically, the express bill can be placed in the placement area 311, and then the first adsorption component 32 works to move the express bill to the gluing area 312 for gluing, and then the express bill is moved to the pasting area 313 by the first adsorption component 32, and the express bill coated with the sticky material is pasted on the envelope containing the document, and the whole operation process is completed. The mounting frame 31 is mainly used to install the first adsorption component 32, and the material of the mounting frame 31 is set to metal material. The gluing component 33 is set in the gluing area 312, and is mainly used to apply sticky material to the express bill, and the sticky material can be glue or other sticky materials.

[0063] See also Figure 4In one embodiment, the gluing component 33 includes a shell 331, a gluing plate 332 and a glue delivery pipe 333. The shell 331 is provided with a plurality of glue outlet holes 3311. The shell 331 is provided with a receiving cavity 3312 for placing the viscous material. The gluing plate 332 is disposed in the receiving cavity 3312 and is movable in the up and down directions. One end of the glue delivery pipe 333 is provided as a glue injection port 3331, and the other end of the glue delivery pipe 333 is connected to the receiving cavity 3312.

[0064] Specifically, the material of the shell 331 is set to a hard material. As for the type of the hard material, it can be a hard material such as ABS, HIPS, PP, PC, or a metal or alloy material, etc., and there is no specific limitation here. The cross-section of the shell 331 can be set in a square or circular shape, or in other shapes. Specifically in the present embodiment, the cross-section of the shell 331 is set in a square shape. A plurality of glue outlet holes 3311 are provided on the shell 331. The shape of the glue outlet holes 3311 can be set to a circular, square or other shape. In the present embodiment, the shape of the glue outlet holes 3311 is set to a circular shape. An upper glue plate 332 is provided in the accommodating cavity 3312, and a sticky material is placed in the accommodating cavity 3312. The sticky material wraps the upper glue plate 332, and the upper glue plate 332 can move up and down in the accommodating cavity 3312. When the express order is in the gluing area 312, the express order should be located above the glue outlet hole 3311 and close to the glue outlet hole 3311. The gluing plate 332 moves upward in the accommodating chamber 3312, and the viscous material in the accommodating chamber 3312 can be driven upward and squeezed outward from the glue outlet hole 3311, so that the viscous material can be pasted to the bottom surface of the express order. As for the number of glue outlet holes 3311, the glue outlet holes 3311 are set to be multiple, and multiple glue outlet holes 3311 can allow the viscous material to be pasted to the bottom surface of the express order in a larger area, thereby enhancing the viscosity of the express order. When the amount of viscous material in the accommodating chamber 3312 is insufficient, it needs to be replenished in time, so a glue delivery pipe 333 is provided, and the viscous material is poured from the glue injection port 3331 of the glue delivery pipe 333. The viscous material will flow along the inner wall of the glue delivery pipe 333 into the accommodating chamber 3312, so that the viscous material can be replenished in time.

[0065] Furthermore, a glue upper column 3321 is provided on one side of the glue upper plate 332 facing the glue outlet hole 3311 , and a diameter of the glue upper column 3321 is smaller than a diameter of the glue outlet hole 3311 .

[0066] Considering that the upper glue plate 332 is designed in a plate shape, when it moves upward and squeezes the viscous material out of the glue outlet hole 3311, since the structure with multiple glue outlet holes 3311 on the shell 331 is also designed in a plate shape, when the two plates are fitted together, it is difficult for the upper glue plate 332 to control the amount of glue output. Usually, excessive viscous material will be squeezed out. Excessive viscous material may cause the express order to be pasted on the envelope. The cooling and solidification time is longer, and the express order will also be wet. Therefore, it is necessary to control the amount of glue output of the upper glue plate 332 when it moves upward. Preferably, a glue column 3321 is provided on the side of the upper glue plate 332 facing the glue outlet hole 3311, and the adhesive material is applied to the express order by contacting the bottom surface of the express order with the glue column 3321. The upper glue column 3321 can play a good role in controlling the amount of glue output. The number of upper glue columns 3321 is set to be multiple, and multiple upper glue columns 3321 are installed on the upper glue plate 332, and the installation position of the upper glue column 3321 should correspond to the position of the glue outlet hole 3311. The diameter of the upper glue column 3321 is smaller than the diameter of the glue outlet hole 3311, so that when the upper glue plate 332 moves upward, the upper glue column 3321 can pass through the glue outlet hole 3311 and contact the bottom surface of the express delivery slip, and apply sticky material to the express delivery slip, thereby avoiding the problem of poor control of the glue output when the two plates are bonded together.

[0067] See also Figure 3 , Figure 5 and Figure 6 In one embodiment, the first adsorption component 32 includes a first movable member 321 and a first adsorption member 322; the first movable member 321 includes a first driving mechanism 3211, a movable plate 3212 and a connecting member 3213, the movable plate 3212 is installed on the mounting frame 31, the connecting member 3213 is installed on the movable plate 3212, and the connecting member 3213 is connected to the first driving mechanism 3211; the first adsorption member 322 includes a second driving mechanism 3221, a second mounting plate 3222 and a suction cup 3223, the second driving mechanism 3221 is installed on the movable plate 3212 and connected to the second mounting plate 3222, and the suction cup 3223 is installed on the second mounting plate 3222.

[0068] Specifically, the first adsorption component 32 includes a first movable part 321 and a first adsorption part 322. The first movable part 321 is movably mounted on the mounting frame 31 to drive the first adsorption part 322 to move between the placement area 311, the gluing area 312 and the pasting area 313; the first adsorption part 322 is mainly used to adsorb the express delivery slip. Since the express delivery unit is located below the mounting frame 31, the adsorption part needs to be movably mounted on the first movable part 321 up and down to adsorb and place the express delivery slip.

[0069] See also Figure 5 and Figure 6, the first driving mechanism 3211 includes a first motor 3211a, a driving wheel 3211b, a driven wheel 3211c and a belt 3211d. The first motor 3211a is mounted on the mounting frame 31 and is located above the mounting frame 31. The motor shaft of the first motor 3211a is connected to the driving wheel 3211b, and the driving wheel 3211b is located below the mounting frame 31. The driven wheel 3211c is also mounted on the mounting frame 31 and is located below the mounting frame 31. The driving wheel 3211b and the driven wheel 3211c are connected together by a belt 3211d. When the first motor 3211a is working, the rotation of the motor shaft of the first motor 3211a will drive the driving wheel 3211b to rotate. Since the driving wheel 3211b and the driven wheel 3211c are connected by the belt 3211d, the driven wheel 3211c and the belt 3211d will also rotate together with the rotation of the driving wheel 3211b. The movable plate 3212 is installed on the mounting frame 31, and a connecting piece 3213 is also installed below the movable plate 3212. The connecting piece 3213 is engaged with the belt 3211d, so when the belt 3211d213d moves, it will move with the movable plate 3212.

[0070] See also Figure 5 The second driving mechanism 3221 includes a second motor 3221a and a second screw rod 3221b, and the second motor 3221a and the second screw rod 3221b are connected. When the second motor 3221a is working, the second motor 3221a will drive the second screw rod 3221b to move in the up and down directions, and the other end of the second screw rod 3221b is connected to the second mounting plate 3222, so the second mounting plate 3222 will also move with the movement of the second screw rod 3221b. At the same time, the movable plate 3212 will also move between the placement area 311, the gluing area 312 and the pasting area 313, so the movable plate 3212 will move between the placement area 311, the gluing area 312 and the pasting area 313 with the adsorption part. After the adsorption part adsorbs the express order, it can move between the placement area 311, the gluing area 312 and the pasting area 313.

[0071] See also Figures 7 to 9In one embodiment, the return order mechanism 40 includes a bracket 41, a moving component 42, a tray component 43, a suction cup component 44 and a return order component 45. The bracket 41 includes a fixed frame 411 and a first mounting plate 412, and an opening 413 is formed between the fixed frame 411 and the first mounting plate 412; the moving component 42 is located below the opening 413, and the moving component 42 is movably mounted on the fixed frame 411, and the moving component 42 includes a moving part 421321 and a rotating part 422, and the second moving part 421 is movably mounted on the bracket 41; the rotating part 422 has an initial state and a working state, and the rotating part 422 is rotatably mounted on the second moving part 421 to switch between the initial state and the working state; the tray component 43 is installed on the first mounting plate 412 for placing the return order; the suction cup component 44 is installed on the fixed frame 411 and is located below the first mounting plate 412 for opening the envelope; the return order plugging component 45 is installed on the fixed frame 411 and is located at the opening 413, and is used to plug the return order into the envelope through the opening 413.

[0072] Specifically, the return order inserting mechanism 40 includes a bracket 41, and the material of the bracket 41 is set to be a hard material. Specifically, the material of the bracket 41 can be set to be a metal or alloy material, etc., and there is no specific limitation here. An opening 413 is formed between the fixing frame 411 of the bracket 41 and the mounting plate, and a moving component 42 is provided below the opening 413. The moving component 42 can move the envelope to the bottom of the opening 413. The return order is placed on the tray component 43. When the moving component 42 moves the envelope to the bottom of the opening 413, the suction cup component 44 absorbs the envelope to open the envelope, and then the return order is inserted into the envelope through the return order inserting component 45.

[0073] Since the envelope is horizontally conveyed by the conveyor belt 21 to the return order inserting mechanism 40, and the return order inserting mechanism 40 inserts the return order into the envelope from top to bottom, the rotating member 422 has an initial state and a working state. When the rotating member 422 is in the initial state, the position of the rotating member 422 is roughly parallel to the conveyor belt 21. At this time, the envelope can be conveyed to the rotating member 422, and the rotating member 422 drives the envelope to rotate to the working state. At the same time, the second moving member 421 can drive the rotating member 422 to move in the up and down directions.

[0074] It is worth mentioning that a card slot for placing envelopes is provided on the rotating member 422. After the envelope is conveyed to the return station 15 through the conveyor belt 21, it will directly enter the card slot of the rotating member 422 as it moves. In order to ensure that the position of the envelope does not shift and the envelope does not fall out when the rotating member 422 rotates, a card slot for placing envelopes is provided on the rotating member 422 to fix the envelope.

[0075] See also Fig.10 Based on the aforementioned embodiment, the return slip inserting assembly 45 includes a base 451, a movable plate 452, an inserting plate 453 and a third driving mechanism 454; the base 451 is installed on the bracket 41, the third driving mechanism 454 is installed on the base 451, the movable plate 452 is connected to the third driving mechanism 454, and the inserting plate 453 is connected to the movable plate 452; a socket 431 is provided on the tray assembly 43, and the inserting plate 453 is provided corresponding to the socket 431 so as to insert the return slip downward into the envelope.

[0076] Specifically, the third driving mechanism 454 includes a third motor 4541 and a third screw rod 4542. The third motor 4541 is installed on the base 451 and is located at the opening 413. The third motor 4541 is connected to the third screw rod 4542, and the third screw rod 4542 is connected to the movable plate 452. When the third motor 4541 is working, the third motor 4541 drives the third screw rod 4542 to rotate. A third nut is provided on the movable plate 452. The third nut and the third screw rod 4542 are threadedly connected, so that the movable plate 452 can move in the up and down direction. The movable plate 452 is also connected to an insert plate 453, and the insert plate 453 is mainly used to insert the return slip downward into the envelope. The tray assembly 43 on which the envelope is placed is provided with a socket 431, and the plug plate 453 is provided corresponding to the socket 431, and the movable plate 452 on which the plug plate 453 is installed is located above the tray assembly 43. When the movable plate 452 moves downward, the plug plate 453 passes through the socket 431 and inserts the return slip downward into the envelope.

[0077] See also Fig.11 Based on any of the above embodiments, the document packaging device 1 further includes an envelope feeding mechanism 50, and the envelope feeding mechanism 50 includes a bearing structure 51, a second adsorption component 52 and a discharge component 53. The bearing structure 51 is arranged on the mounting frame 10, and a bearing surface 511 is formed on the bearing structure 51, and a plurality of stacked envelopes are placed on the bearing surface 511, and a discharge port 512 is formed on one side of the bearing surface 511; the second adsorption component 52 is arranged on the mounting frame 10 and is located at the lower end of the bearing structure 51, and the second adsorption component 52 is arranged corresponding to the discharge port 512; the discharge component 53 is formed with a clamping portion 531 movably mounted on the mounting frame 10, and the clamping portion 531 is located on one side of the second adsorption component 52, and the clamping portion 531 is disposed on the mounting frame 10. 1 is arranged corresponding to the conveyor belt 21; multiple envelopes are stacked on the carrying surface 511, the adsorbent moves upward to the discharge port 512, and adsorbs the envelopes located at the bottom layer downward, so that the ends of the envelopes at the bottom layer are sucked out separately, and the discharge assembly 53 extracts the envelopes and sends the envelopes to the conveyor belt 21 at the feeding station 11, so that the envelopes are automatically picked up without manual intervention, the discharge speed is guaranteed, and further the discharge state of each envelope is guaranteed to be the same, which is convenient for subsequent operations.

[0078] There are many ways to set the discharging assembly 53, such as using a clamping claw to clamp and pull out the envelope. In this embodiment, in order to facilitate the transportation of the envelope to the subsequent workstation, the discharging assembly 53 includes two discharging rollers spaced apart in the up-down direction. The two discharging rollers are both rotatably arranged along the axis in the front-back direction, and the two discharging rollers together form the discharging clamping portion 531. After the suction piece sucks the envelope downward, the discharging assembly 53 moves to the left, so that the end of the envelope is between the two discharging rollers. When the discharging assembly 53 moves to the right, the discharging roller rotates, which is convenient for quickly pulling out the envelope, and reduces the range of motion of the discharging assembly 53, which is convenient for reducing the volume of the discharging assembly 53.

[0079] Furthermore, the two discharging rollers form a roller group, and the roller group is provided in plurality and arranged at intervals in the front-back direction, so as to evenly draw out the envelopes, and prevent excessive force on a certain part of the envelopes, which may cause the envelopes to deform, or shake when being pulled out, resulting in different states of the multiple envelopes.

[0080] At the same time, in order to facilitate the extraction of envelopes, the bearing structure 51 includes a plurality of discharge rollers, which are all rotatably mounted on the mounting frame 10 along the front-rear axis, and the upper side surfaces of the plurality of discharge rollers jointly form the bearing surface 511. When the discharge assembly 53 pulls out the envelopes, the discharge rollers rotate to facilitate the extraction of the envelopes at the bottom layer, reduce the friction between the envelopes and the bearing surface 511, make the discharge more stable, and prevent damage to the envelopes.

[0081] See also Fig.12 Based on any of the above embodiments, the document packaging device 1 further includes a document feeding device 60, and the document feeding device 60 includes: an envelope opening mechanism 61, a document conveying mechanism 62, and a document filling mechanism 63. The envelope opening mechanism 61 is arranged on the mounting frame 10, and is used to open the open end of the envelope at the filling station 12 to form an open empty envelope; the document conveying mechanism 62 is arranged on the mounting frame 10, and is used to convey the document to be packaged; the document filling mechanism 63 is arranged on the mounting frame 10, and the document filling mechanism 63 is arranged corresponding to the conveyor belt 21, and is used to receive the document to be packaged from the document conveying mechanism 62, and fill the document to be packaged into the open empty envelope on the conveyor belt 21. Specifically, the envelope opening mechanism 61 opens the envelope seal at the filling station 12, the document conveying mechanism 62 conveys the document to be loaded to the document loading mechanism 63, and the document loading mechanism 63 loads the document to be loaded into the open empty envelope. The document loading device 60 replaces the manual operation of loading documents in the envelope, which not only improves the efficiency of document loading, but also reduces the risk of document leakage during the loading process.

[0082] See also Fig.13 Based on any of the above embodiments, the document packaging device 1 further includes an envelope packaging device 70, the envelope includes an envelope body and an envelope hinge for covering the opening of the envelope body, and the envelope packaging device 70 includes a pressing structure 71, a tearing structure 72, a folding structure 73 and a rolling structure 74. The pressing structure 71 is provided on the mounting frame 10 to press the envelope body; the tearing structure 72 is provided on the mounting frame 10 to tear the release paper provided on the envelope hinge; the folding structure 73 is provided on the mounting frame 10 to fold the envelope hinge upward; and the rolling structure 74 is provided on the mounting frame 10 to press the folded envelope hinge onto the envelope body in the front-back direction.

[0083] See also Figure 1 and Figure 2 Based on any of the above embodiments, the document packaging device 1 further includes a feed box 80, which is disposed at the other end of the mounting frame 10 away from the envelope feeding mechanism 50, and is used to receive the envelopes after packaging. Specifically, when the envelope is completed at the return station 15, the transmission belt will continue to work, and the envelope that has completed the entire process will be transferred to the feed box 80 for the staff to pick up. The feed box 80 is provided with a placement position for the envelope, which can accommodate multiple envelopes, so that the staff can take multiple envelopes at one time, thereby improving work efficiency.

[0084] See also Figure 1 and Figure 2 In one embodiment, the document packaging device 1 further includes a cover 90 and a display 100. The mounting frame 10 is arranged in the cover 90. The cover 90 can protect the staff and prevent the staff from reaching into the inside of the device when the document packaging device 1 is working, thereby preventing accidents. The display 100 is installed on the unloading box 80, so that the staff can observe the operation status inside the document packaging device 1. An alarm light 91 can also be installed on the cover 90 to display the current operation status of the device and send an alarm signal when the device fails.

[0085] The above descriptions are only optional embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention's specification and drawings, or directly / indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A document packaging device, characterized in that: The document packaging device comprises: An installation frame is formed with a feeding station, a filling station, a packaging station, a label sticking station and a label return station; An envelope conveying mechanism, comprising a conveyor belt, is disposed on the mounting frame and is used to drive envelopes to move between the feeding station, the filling station, the packaging station, the label sticking station and the label returning station; A pasting mechanism, which is arranged on the mounting frame and located at the label pasting station, and is used to paste the express label onto the envelope; and A return order inserting mechanism, which is arranged on the mounting frame and located at the return order inserting station, and is used to insert the return order into the envelope; The return order mechanism comprises: A bracket, the bracket comprising a fixing bracket and a first mounting plate, an opening being formed between the fixing bracket and the first mounting plate; A moving assembly, the moving assembly is located below the opening, the moving assembly is movably mounted on the fixed frame, the moving assembly includes a moving member and a rotating member, the moving member is movably mounted on the bracket; the rotating member has an initial state and a working state, the rotating member is rotatably mounted on the moving member to switch between the initial state and the working state; A tray assembly, the tray assembly is mounted on the first mounting plate and is used to place a return order; a suction cup assembly, the suction cup assembly being mounted on the fixing frame and being located below the first mounting plate, for opening the envelope; and A return slip inserting assembly, which is installed on the fixed frame and located at the opening, and is used to insert the return slip into the envelope through the opening; the return slip inserting assembly includes a base, a movable plate, an insert plate and a third driving mechanism; the base is installed on the bracket, the third driving mechanism is installed on the base, the movable plate is connected to the third driving mechanism, and the insert plate is connected to the movable plate; a socket is provided on the tray assembly, and the insert plate is provided corresponding to the socket, so as to insert the return slip downward into the envelope.

2. The document packaging device according to claim 1, characterized in that: The pasting mechanism includes a mounting frame, a first adsorption component and a gluing component. A placement area, a gluing area and a pasting area are formed below the mounting frame. The first adsorption component is used to drive the express form to move between the placement area, the gluing area and the pasting area. The gluing component is arranged in the gluing area to apply sticky material to the express form.

3. The document packaging device according to claim 2, characterized in that: The gluing assembly includes a shell, a gluing plate and a glue delivery pipe. The shell is provided with a plurality of glue outlet holes. A receiving cavity for placing the viscous material is formed in the shell. The gluing plate is arranged in the receiving cavity and is movable in the up and down directions. One end of the glue delivery pipe is arranged as a glue injection port, and the other end of the glue delivery pipe is connected to the receiving cavity.

4. The document packaging device according to claim 3, characterized in that: A glue-on column is arranged on one side of the glue-on plate facing the glue-out hole, and a diameter of the glue-on column is smaller than a diameter of the glue-out hole.

5. The document packaging device according to claim 2, characterized in that: The first adsorption component includes a movable part and a first adsorption part; the movable part includes a first driving mechanism, a movable plate and a connecting part, the movable plate is installed on the mounting frame, the connecting part is installed on the movable plate, and the connecting part is connected to the first driving mechanism; the first adsorption part includes a second driving mechanism, a second mounting plate and a suction cup, the second driving mechanism is installed on the movable plate and connected to the second mounting plate, and the suction cup is installed on the second mounting plate.

6. The document packaging device according to any one of claims 1 to 5, characterized in that: The document packaging device further includes an envelope feeding mechanism, which includes: A bearing structure is arranged on the mounting frame, a bearing surface is formed on the bearing structure, and a plurality of stacked envelopes are placed on the bearing surface, and a discharge port is formed on one side of the bearing surface; a second adsorption assembly, provided on the mounting frame and located at the lower end of the bearing structure, the second adsorption assembly being arranged corresponding to the discharge port; and A discharging assembly is formed with a clamping portion movably mounted on the mounting frame, the clamping portion is located at one side of the second adsorption assembly, and the clamping portion is arranged corresponding to the conveyor belt; Among them, the second adsorption component extends upward to the discharge port, and downwardly adsorbs the envelope located at the bottom layer, so that the end of the envelope is exposed downward from the discharge port to form a pulling end, and the clamping part moves to the left to clamp the pulling end, and moves to the right to pull out the envelope, and send the envelope to the conveyor belt at the feeding station.

7. The document packaging device according to any one of claims 1 to 5, characterized in that: The document packaging device further includes a document feeding device, and the document feeding device includes: An envelope opening mechanism, disposed on the mounting frame, for opening the open end of the envelope at the filling station to form an open empty envelope; A document conveying mechanism, disposed on the mounting frame, for conveying documents to be packaged; and The document loading mechanism is arranged on the mounting frame and is arranged corresponding to the conveyor belt for receiving the document to be packaged transmitted from the document transmission mechanism and loading the document to be packaged into the open empty envelope on the conveyor belt.

8. The document packaging device according to any one of claims 1 to 5, characterized in that: The document packaging device further includes an envelope packaging device, wherein the envelope includes an envelope body and an envelope hinge for covering an opening of the envelope body, and the envelope packaging device includes: A pressing structure, provided on the mounting frame, for pressing the envelope body; A tearing structure, provided on the mounting frame, for tearing off the release paper provided on the envelope hinge; A folding structure, provided on the mounting frame, for folding the envelope hinge upwards; and The rolling structure is arranged on the mounting frame and is used for pressing the folded envelope hinge onto the envelope body along the flipping direction of the envelope hinge.

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