CN216069413U

CN216069413U - Document packaging device

Info

Publication number: CN216069413U
Application number: CN202120379245.5U
Authority: CN
Inventors: 王宇琦
Original assignee: Shenzhen Weilu Intelligent Technology Co ltd
Current assignee: Shenzhen Weilu Intelligent Technology Co ltd
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2022-03-18
Anticipated expiration: 2031-02-19

Abstract

The utility model provides a document packaging device which is used for packaging a document into an envelope and comprises an installation rack, an envelope feeding device, a document feeding device, an envelope packaging device and a single envelope pasting device, wherein the installation rack is provided with a feeding station, a filling station, a packaging station, a single pasting station and a discharging station which are sequentially distributed from left to right; the envelope feeding device comprises a conveyor belt, and the conveying stroke of the conveyor belt sequentially passes through the feeding station, the filling station, the packaging station, the single attaching station and the discharging station; the envelope feeding device, the document feeding device, the envelope packaging device and the envelope pasting device are sequentially arranged on the mounting rack from left to right. The document packaging device is used for replacing manual document packaging, and the problems that manual document packaging is low in efficiency and prone to making mistakes, and documents to be packaged are prone to being divulged are solved.

Description

Document packaging device

Technical Field

The utility model belongs to the field of mechanical automation, and particularly relates to document packaging equipment.

Background

Sending and sending documents by letters is one of the common means of many enterprises, schools and government offices at present, and certain traceability can be ensured, particularly, a part of the government offices and schools need to send letters in large batch frequently.

However, in the prior art, documents are usually packaged manually, that is, after documents are put into envelopes manually, glue is applied to the hinges of the envelopes and the envelopes are sealed, and finally mailing sheets are pasted on the surfaces of the envelopes, so that the packaging efficiency is low, errors are easy to occur in large-scale operation, and the documents are leaked due to the fact that the documents are put into the envelopes manually.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a document packaging device, and aims to solve the problems that manual document packaging is low in efficiency and easy to make mistakes, and documents to be packaged are easy to divulge secrets.

To achieve the above object, the present invention provides a document packing apparatus for packing a document into an envelope, the document packing apparatus comprising:

the mounting frame is provided with a feeding station, a filling station, a packaging station, a single pasting station and a discharging station which are sequentially distributed from left to right;

the envelope feeding device comprises a conveyor belt, and the conveying stroke of the conveyor belt sequentially passes through the feeding station, the filling station, the packaging station, the single attaching station and the discharging station;

the envelope feeding device is arranged on the mounting rack and is correspondingly positioned at the feeding station;

the document feeding device is arranged on the mounting rack and is correspondingly positioned at the filling station;

the envelope packaging device is arranged on the mounting rack and is correspondingly positioned at the packaging station; and the number of the first and second groups,

the envelope single attaching device is arranged on the mounting rack and is correspondingly positioned at the single attaching station;

wherein the envelope feeding device conveys empty envelopes to a conveyor belt at the feeding station, the conveyor belt moves to transfer the empty envelopes from the feeding station to the filling station, the document feeding device conveys the documents to be packaged to the filling station, and is filled into the empty envelope at the filling station to form a to-be-sealed envelope, the conveyor belt moves to transfer the to-be-sealed envelope from the filling station to the packaging station, the envelope sealing device is used for sealing the envelope to be sealed to form a sealed envelope, the conveyor belt moves to transfer the sealed envelope from the sealing station to the sheet attaching station, the envelope sheet attaching device is used for generating a sheet, and sticking the sheet to the sealed envelope to form a finished envelope, wherein the conveyor belt is movable to transfer the finished envelope from the sheet sticking station to the discharge station.

In the technical scheme of the utility model, the envelope feeding device conveys an empty envelope to a conveying belt at the feeding station, the conveying belt is movable to transfer the empty envelope from the feeding station to the filling station, the document feeding device conveys a document to be sealed to the filling station and is filled into the empty envelope at the filling station to form a document to be sealed, the conveying belt is movable to transfer the document to be sealed from the filling station to the sealing station, the envelope sealing device is used for sealing the envelope to be sealed to form a sealed envelope, the conveying belt is movable to transfer the sealed envelope from the sealing station to the labeling station, the envelope labeling unit is used for generating a label and pasting the label onto the sealed envelope to form a finished product, the conveying belt is movable to transfer the finished product from the labeling station to the discharging station, the automatic packaging of the document is realized, and the packaging efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a document packaging apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of the envelope feeding device in FIG. 1;

FIG. 3 is a schematic perspective view of the feeding device of FIG. 1;

FIG. 4 is a schematic plan view of the envelope feeding apparatus of FIG. 3;

FIG. 5 is a schematic perspective view of the document feeder of FIG. 1;

fig. 6 is a schematic perspective view of the closure opening mechanism of fig. 5;

FIG. 7 is a perspective view of the document transport mechanism of FIG. 5;

FIG. 8 is a schematic perspective view of the document loading mechanism of FIG. 5;

FIG. 9 is a schematic perspective view of the envelope wrapping apparatus of FIG. 1;

FIG. 10 is a perspective view of the tear structure of FIG. 9;

FIG. 11 is a perspective view of the hinge structure of FIG. 9;

fig. 12 is a schematic perspective view of the roll structure of fig. 9;

fig. 13 is a schematic plan view of the envelope sheet attaching apparatus in fig. 1.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Sending and sending documents through letters is one of the current common means of many enterprises, schools and government offices, can ensure certain traceability, particularly, part of the government offices and schools need to send letters in large batch frequently, manual document packaging is usually adopted in the prior art, namely after the documents are manually loaded into envelopes, glue is applied to the positions of envelope hinges and the envelopes are sealed, finally mailing lists are pasted on the surfaces of the envelopes, the packaging efficiency is low, errors are easy to occur during large-batch operation, and the problem of document leakage can also occur due to the fact that the documents are manually loaded into the envelopes.

In view of this, the present invention provides a document packaging apparatus. Fig. 1 to 13 show an embodiment of a document packaging apparatus according to the present invention.

Referring to fig. 1, the present invention provides a document packing apparatus 100 for packing a document into an envelope, the document packing apparatus 100 comprising: the device comprises an installation rack 1, an envelope feeding device 2, an envelope feeding device 3, a document feeding device 4, an envelope packaging device 5 and an envelope single-sticking device 6, wherein the installation rack 1 is provided with a feeding station, a filling station, a packaging station, a single-sticking station and a discharging station which are sequentially distributed from left to right; the envelope feeding device 2 comprises a conveyor belt 213, and the conveying stroke of the conveyor belt 213 passes through the feeding station, the filling station, the packaging station, the single attaching station and the discharging station in sequence; the envelope feeding device 3 is arranged on the mounting rack 1 and is correspondingly positioned at the feeding station; the document feeding device 4 is arranged on the mounting rack 1 and is correspondingly positioned at the filling station; the envelope packaging device 5 is arranged on the mounting rack 1 and is correspondingly positioned at the packaging station; and the envelope single attaching device 6 is arranged on the installation rack 1 and is correspondingly positioned at the single attaching station.

In the technical scheme of the utility model, the envelope feeding device 3 conveys an empty envelope to a conveying belt 213 at the feeding station, the conveying belt 213 is movable to transfer the empty envelope from the feeding station to the filling station, the document feeding device 4 conveys a document to be sealed to the filling station and fills the document to be sealed into the empty envelope at the filling station to form a document to be sealed, the conveying belt 213 is movable to transfer the document to be sealed from the filling station to the sealing station, the envelope sealing device 5 is used for sealing the envelope to be sealed to form a sealed envelope, the conveying belt 213 is movable to transfer the sealed envelope from the sealing station to the sealing station, the envelope attaching device 6 is used for generating an attaching sheet and attaching the attaching sheet to the sealed envelope to form a finished product, the conveyor belt 213 moves to transfer the finished product envelope from the single-pasting station to the discharging station, so that the automatic packaging of the document is realized, and the packaging efficiency is improved.

Referring to fig. 2, the envelope feeding device 2 includes a main belt conveying structure 21, the main belt conveying structure 21 includes the conveying belt 213, the envelope feeding device 2 further includes a plurality of blocking structures 22 disposed on the conveying belt 213 at intervals, each blocking structure 22 includes two blocking protrusions 221 disposed at intervals in the left-right direction, a blocking space is formed between the two blocking protrusions 221 for blocking the envelope, so that the envelope is conveyed on the conveying belt 213 in a stable state.

Specifically, each of the locking structures 22 includes a first locking protrusion 221a and a second locking protrusion 221b distributed in a left-right direction, the height of the first clamping projection 221a is greater than that of the second clamping projection 221b, the envelope feeding device 2 comprises a feeding platform arranged on the mounting rack 1, a groove is arranged on the feeding platform corresponding to the blocking structure 22, the depth of the groove is equal to the height of the second blocking protrusion 221b, envelopes enter the feeding platform under the action of the envelope feeding device 3, and in two adjacent blocking structures 22, the first locking projection 221a in the locking structure 22 on the right side is used for abutting against the right end of the envelope, the conveyor belt 213 moves to the right, the blocking structure 22 positioned at the left side moves to the right relative to the envelope to block the envelope, the envelopes are pushed by the first clamping convex part 221a to be transferred on the conveying belt from the feeding station.

In order to limit the conveying moving track of the envelope, a conveying positioning plate 11 is arranged on the mounting frame 1, the conveying positioning plate 11 extends in the left-right direction, the side end surface of the conveying positioning plate 11 forms a conveying positioning surface, and the conveying positioning surface is used for positioning the side end of the envelope so that the conveying moving track of the envelope is fixed.

Specifically, a conveying positioning groove 12 is formed on the conveying positioning surface, the conveying positioning groove 12 is used for accommodating and limiting the side end of the envelope, and the conveying positioning groove 12 is arranged in the left-right direction, so that when the envelope is conveyed on the conveying belt 213, the side end of the envelope can slide in the conveying positioning groove 12 to limit the displacement of the envelope on the conveying belt in the conveying process of the envelope, and the conveying track of the envelope is more stable.

Further referring to fig. 2, the envelope feeding device 2 further includes an auxiliary conveying mechanism 23, the auxiliary conveying mechanism 23 includes an auxiliary belt conveying structure 231 and a pinch roller mounting structure 232, the auxiliary belt conveying structure 231 is disposed along the front-back direction at an interval from the conveying belt 213, and the auxiliary belt conveying structure 231 includes an auxiliary conveying belt 2313 for conveying in the left-right direction; the pinch roller mounting structure 232 comprises a pinch roller 2321 rotatably mounted along a front-back axis, the pinch roller 2321 is arranged corresponding to the auxiliary conveying belt 2313, and the pinch roller 2321 and the auxiliary conveying belt 2313 are used for clamping envelopes together, so that not only is the conveying track of the envelopes on the conveying belt 213 not deviated ensured, but also the envelopes have enough conveying power.

In the utility model, the pressing wheel 2321 is obliquely arranged, so that the distance between the left end of the pressing wheel 2321 and the conveying positioning plate 11 is greater than the distance between the right end of the pressing wheel 2321 and the conveying positioning plate 11, and an included angle is formed between the arrangement direction of the pressing wheel 2321 and the conveying positioning plate 11, so that the pressing wheel 2321 can better right the envelope on the conveying belt, and the envelope is prevented from being skewed in the conveying process.

In the utility model, the press wheel mounting structures 232 are arranged at intervals in the left-right direction, so that the press wheels are arranged in the whole conveying process of the envelope on the conveying belt, and the envelope is prevented from being inclined in the conveying process.

It should be noted that, the above two features: the pressing wheels 2321 are obliquely arranged and the pressing wheel mounting structures 232 are arranged in a plurality, and can be alternatively arranged or simultaneously arranged according to the two characteristics.

Specifically, the main belt conveying structure 21 further includes a first driving wheel 211 and a first driven wheel 212, and the conveying belt 213 is disposed between the first driving wheel 211 and the first driven wheel 212; the auxiliary belt conveying structure 231 further includes a second driving wheel 2311 and a second driven wheel 2312, and the auxiliary belt 2313 is disposed between the second driving wheel 2311 and the second driven wheel 2312; the first driving wheel 211 and the second driving wheel 2312 are coaxially arranged, and the first driven wheel 212 and the second driving wheel 2311 are coaxially arranged, so that the auxiliary conveying belt 2313 and the conveying belt 213 have the same transmission speed, and the stability of the envelope feeding mechanism is further improved.

More specifically, in this embodiment, the envelope feeding device 2 further includes a first driving motor 233 disposed at the right end of the mounting frame 1 and a second driving motor 234 disposed at the left end of the mounting frame 1, the first driving motor 233 is connected to the first driving wheel 211 for driving the first driving wheel 211 to rotate, the second driving motor 234 is connected to the second driving wheel 2311 for driving the second driving wheel 2311 to rotate, and the rotation speeds of the first driving motor 233 and the second driving motor 234 can be set respectively, so that the conveying process can be flexibly adjusted.

In order to prevent the transfer belt 213 and the auxiliary transfer belt 2313 from being loosened, in the present invention, the envelope feeding device 2 is further provided with a tensioning mechanism 235, the position of the tensioning mechanism 235 can be adjusted up and down, the conveyor belt 213 comprises an upper main conveyor belt segment and a lower main conveyor belt segment which are distributed up and down, the auxiliary conveyor belt 2313 comprises upper and lower auxiliary conveyor belt segments distributed in an up-down direction, wherein the tensioning mechanism 235 comprises a plurality of tensioning wheels 2351 arranged at intervals in the front-back direction, among the plurality of tension pulleys 2351, a part of the tension pulley 2351 is provided between the upper main conveyor segment and the lower main conveyor segment to downwardly abut against the lower main conveyor segment, and a part of the tension pulley 2351 is provided between the upper auxiliary conveyor segment and the lower auxiliary conveyor segment to downwardly abut against the lower auxiliary conveyor segment; by adjusting the position of the tensioning mechanism 235 downward, the tensioning wheels 2351 are respectively abutted against the lower main conveyor belt segment and the lower auxiliary conveyor belt segment, so that the conveyor belt 213 and the auxiliary drive belt 2313 can be prevented from loosening, and the service life of the envelope feeding device 2 is long.

Specifically, a plurality of tensioning mounting holes 13 distributed in the vertical direction are formed on the mounting frame 1; the envelope feeding device 2 is provided with a tensioning mounting bracket 2352, and the tensioning mounting bracket 2352 can be connected with different tensioning mounting holes 13 through a threaded connection structure; the tensioning wheel 2351 is arranged on the tensioning mounting bracket 2352, so that the tensioning wheel 2351 is more stably mounted.

Referring to fig. 3, the envelope feeding device 3 includes: the mounting rack comprises a bearing structure 31, an adsorption component 32 and a discharging component 33, wherein the bearing structure 31 is arranged on the mounting rack 1, a bearing surface 311 is formed on the bearing structure 31, a plurality of stacked envelopes are arranged on the bearing surface 311, and a discharging port 312 is formed on the right side of the bearing surface 311; the adsorption component 32 is arranged on the installation rack 1 and is located at the lower end of the bearing structure 31, the adsorption component 32 comprises an adsorption piece 321 movably arranged along the up-down direction, and the adsorption piece 321 is arranged corresponding to the discharge hole 312; the discharging component 33 is provided with a discharging clamping portion 331 movably mounted on the mounting frame 1 along the left-right direction, the discharging clamping portion 331 is located at the right side of the adsorption piece 321, and the discharging clamping portion 331 is arranged corresponding to the conveyor belt 213; a plurality of envelopes are stacked on the bearing surface 311, the adsorption piece 321 moves upwards to the discharge port 312 and adsorbs the envelope positioned at the lowermost layer downwards, so that the end part of the envelope at the lowermost layer is sucked out separately, the discharge component 33 draws the envelope out and sends the envelope to the conveying belt 213 at the feeding station, so that the envelope can be taken automatically without manual intervention, the discharging speed is ensured, and the discharging state of each envelope is further ensured to be the same, thereby facilitating subsequent operation.

In the present invention, in order to transport the envelope to a subsequent station, the discharging assembly 33 includes two discharging rollers (see fig. 4) arranged at intervals from top to bottom, the two discharging rollers are both arranged along a front-back axis in a rotating manner, and the two discharging rollers together form the discharging clamping portion 331. The absorption piece 321 will the envelope is after adsorbing downwards, ejection of compact subassembly 33 removes to the left, makes the tip of envelope is in two between the ejection of compact gyro wheel, when ejection of compact subassembly 33 moved to the right, the ejection of compact gyro wheel rotates, is convenient for take out fast the envelope, and reduces ejection of compact subassembly 33's home range, is convenient for reduce ejection of compact subassembly 33's volume.

Furthermore, two ejection of compact gyro wheels form the roller train, the roller train sets up a plurality ofly, and sets up along the fore-and-aft interval. The envelope is convenient to be uniformly pulled out, the local stress of the envelope is overlarge, the envelope is deformed, or the envelope swings when being pulled, and the states of the envelopes are different.

In addition, in order to facilitate the drawing out of the envelopes, the carrying structure 31 includes a plurality of discharging rollers 313, the discharging rollers 313 are rotatably mounted on the mounting frame 1 along the front-back axis, and the upper sides of the discharging rollers 313 jointly form the carrying surface 311. When the envelope is drawn by the discharging assembly 33, the discharging roller 313 rotates, so that the lowermost envelope can be drawn out conveniently, the friction force between the envelope and the bearing surface 311 is reduced, the discharging is more stable, and the envelope is prevented from being damaged.

In this embodiment, in order to facilitate the tight adhesion of the envelopes, the suction member 321 includes a plurality of discharge suction cups spaced in the front-back direction for sucking the envelopes. After adsorption, the discharging suction disc is deflated so as to release the envelope and facilitate the matching with the discharging assembly 33.

It should be noted that the discharge suction cup is connected to an external suction pipeline so as to facilitate sucking and releasing the envelope.

In addition, the absorption assembly 32 further includes a seesaw 322, the seesaw 322 has a working end 3221 and a driving end 3222 which are oppositely arranged, the middle portion of the seesaw 322 is rotatably mounted on the mounting frame 1 along a front-back axis, the working end 3221 is arranged corresponding to the discharge port 312, the absorption member 321 is mounted to the working end 3221, and the driving end 3222 is connected to the discharge driving device 323.

With further reference to fig. 4, the envelope feeding device 3 further includes a mounting housing 34, and an accommodating cavity with an open lower end is formed in the mounting housing 34; the bearing structure 31 is correspondingly disposed at the opening of the accommodating cavity, and partially covers the opening, so as to form the discharge hole 312 at the right side of the bearing structure 31. The accommodating cavity is used for accommodating the envelopes, so that multiple layers of envelopes are prevented from being stacked, and the envelopes are not placed stably, so that the envelopes on the bearing surface 311 shake and collapse when being pulled out.

It should be noted that a feeding port 342 is formed through an upper sidewall of the accommodating chamber, so as to add an envelope into the accommodating chamber.

In order to reduce the pressure of the bottommost envelope in the installation housing 34, the envelope feeding device 3 is further provided with a supporting structure 35, a supporting portion 351 is formed on the supporting structure 35, the supporting portion 351 has a movable stroke extending into the accommodating cavity, and at least a part of the supporting portion is arranged corresponding to the discharge hole 312, so as to support the envelope on the upper layer, reduce the pressure of the bottommost envelope, and facilitate the extraction of the bottommost envelope.

Specifically, in this embodiment, an avoiding hole 341 is formed through the inner sidewall of the accommodating cavity and is correspondingly located above the discharge hole 312; the holding structure 35 includes a support plate, the support plate is movably mounted in the avoiding hole 341 along an axial direction of the avoiding hole 341, and the end portion of the support plate forms the holding portion 351. When the envelopes are stacked too much, the supporting plate moves towards the accommodating cavity, so that the end part of the supporting plate protrudes out of the inner side wall of the accommodating cavity, at the moment, the envelopes on the upper side of the supporting plate are supported, excessive pressure is not generated on the envelopes below the supporting plate, and the envelopes on the lowest layer can be conveniently drawn out.

In order to facilitate the supporting structure 35 to extend into the accommodating cavity and support the envelope, the envelope feeding device 3 is further provided with a driving rod 352, the driving rod 352 is arranged in an upward inclined manner along the direction from the periphery of the accommodating cavity to the middle position thereof, and the driving rod 352 is movably mounted in the avoiding hole 341 along the axial direction thereof; wherein the pallet is mounted to an upper end of the drive rod 352. The driving rod 352 is arranged obliquely, so that the moving path of the supporting plate is arranged obliquely, and the driving rod 352 moves, so that the end part of the supporting plate upwards supports the envelope on the upper side, the envelope is convenient to lift, and the envelope cannot be folded when being lifted.

Specifically, the envelope feeding device 3 is further provided with a supporting driving device 353 for driving the driving rod 352, the specific form of the supporting driving device 353 is not limited in the present invention, the supporting driving device 353 may be a linear motor or an electric push rod, in this embodiment, the supporting driving device 353 is provided with a supporting driving cylinder, and the activity of the supporting driving cylinder is controllable, so that the bearable pressure is large.

On the other hand, the envelope feeding device 3 further includes a detecting device 36 (see fig. 4), and the detecting device 36 is mounted to the mounting frame 1 to detect the number of remaining envelopes, so as to judge the number of envelopes on the carrying structure 31, thereby starting or closing the envelope feeding device 3.

The specific form of the detection device 36 is not limited, the detection device 36 may use a pressure sensor to detect the remaining number to remind an operator, or may use a barcode reader to scan the barcode on the envelope to determine the number of envelopes inside, in this embodiment, the detection device 36 is a photoelectric sensor, and the photoelectric sensor detects the heights of a plurality of stacked envelopes to determine the number of envelopes on the supporting structure 31, so that the operation is convenient and fast, and the detection effect is good.

Referring to fig. 5, the document feeding device 4 includes a letter-seal opening mechanism 41, a document conveying mechanism 42 and a document filling mechanism 43, the letter-seal opening mechanism 41 is disposed on the mounting frame 1 and is used for opening the open end of the envelope at the filling station to form an open empty envelope; the document conveying mechanism 42 is arranged on the mounting rack 1 and is used for conveying the document to be packaged; the document filling mechanism 43 is arranged on the mounting frame 1, the document filling mechanism 43 is arranged corresponding to the conveying belt 213 and is used for receiving the document to be packaged from the document conveying mechanism 42 and filling the document to be packaged into the open empty envelope on the conveying belt 213, the envelope opening mechanism 41 opens the envelope opening at the filling station, the document conveying mechanism 42 conveys the document to be packaged to the document filling mechanism 43, the document filling mechanism 43 fills the document to be packaged into the open empty envelope, and the document feeding device 4 replaces manual document filling operation in the envelope, so that the document filling efficiency is improved, and the risk of leakage of the document in the filling process is reduced.

Referring to fig. 6, the letter seal opening mechanism 41 includes a lifting device 411 disposed on the mounting frame 1 and an adsorption device 412 connected to the lifting device 411, the adsorption device 412 is configured to adsorb an upper side of a letter seal to open the envelope seal, the lifting device 411 is configured to drive the adsorption device 412 to move up and down, the lifting device 411 drives the adsorption device 412 to descend to adsorb an envelope sealing end, the lifting device 411 drives the adsorption device 412 to move up, the adsorption device 412 pulls up the sealing end to open the envelope, and the document feeding mechanism replaces manual envelope opening, so that the operation is convenient and fast, and the working efficiency is high.

Further referring to fig. 6, the suction device 412 of the suction device 412 includes a connection plate 4121 and two open suction cups 4122 disposed on the connection plate 4121 at intervals in the left-right direction, a suction surface for sucking the envelope seal is formed on the open suction cups 4122, and the suction surface is disposed toward the conveyor 213 for the suction cup to move down to suck the envelope seal.

The specific form of the lifting device 411 is not limited in the present invention, the lifting device 411 may be an opening driving cylinder, the opening driving cylinder includes a cylinder body fixed on the mounting frame 1 and a push rod movable in the up-down direction relative to the cylinder body, the push rod is connected to the connecting plate 4121 to drive the suction device 412 to move up and down, specifically, in this embodiment, the lifting device 411 is configured as a lifting motor 4111, the lifting motor 4111 includes an output shaft movable in the up-down direction, the output shaft is connected to the suction cup to drive the suction device 412 to move up and down to open the envelope, and the lifting position precision of the lifting motor 4111 is high, so that the suction device 412 has a more precise displacement.

Referring to fig. 7, the document transporting mechanism 42 includes a transporting panel 421 and a document transporting member 422, the transporting panel 421 is disposed on the mounting frame 1, the transporting panel 421 extends in the front-back direction, and forms a paper receiving end 4212 opposite to the paper receiving end 4212 and a transporting end 4211 lower than the paper receiving end 4212 in the front-back direction, the paper receiving end 4212 is used for receiving the document to be packaged, and the transporting end 4211 is used for connecting the document filling mechanism 43; the document delivery component 422 comprises a plurality of roller assemblies 4221 arranged on the delivery panel 421 at intervals in the front-back direction, the plurality of roller assemblies 4221 are used for delivering documents to be packaged from the paper receiving end 4212 to the document filling mechanism 43 connected with the delivery end 4211, and the document delivery mechanism 42 replaces manual document picking, so that the operation is simple and convenient, and the delivery efficiency is high.

Further referring to fig. 7, the roller assembly 4221 includes a conveying roller 4221a and a conveying rotating shaft 4221b, the conveying rotating shaft 4221b is disposed on the conveying panel 421 along the left-right direction, the conveying roller 4221a is disposed on the conveying rotating shaft 4221b along the left-right direction at intervals, a conveying gap is formed between the conveying roller 4221a and the conveying panel 421, the conveying gap is used for accommodating the documents to be packaged, specifically, the conveying rotating shaft 4221b is swingably disposed along the up-down direction for adjusting the conveying gap to adapt to documents of different specifications, so that the document conveying mechanism 42 can convey documents of multiple specifications.

Referring to fig. 8, the document loading mechanism 43 includes a document loading unit 431, and the document loading unit 431 includes: the tray 4311 is movably arranged on the mounting rack 1 along the front-back direction, and the tray 4311 is arranged corresponding to the conveyor belt 213 and used for conveying documents to be packaged received from the document conveying mechanism 42 into the open empty envelope; the paper pushing block 4312 is movably arranged in the tray 4311 in the front-back direction, and is used for moving the document to be packaged into the envelope to abut against the document to be packaged when the tray 4311 pushes the document to be packaged into the open empty envelope, so that the document to be packaged is left in the open empty envelope when the tray 4311 withdraws from the open empty envelope, and the document filling mechanism 43 replaces manual filling of the document, thereby improving the document filling efficiency.

In the present invention, the document loading mechanism 43 further includes a loading driving assembly, the loading driving assembly includes a first pushing driving member 432 and a second pushing driving member 433, the first pushing driving member 432 is connected to the tray 4311 to drive the tray 4311 to move forward and backward, the second pushing driving member 433 is connected to the paper pushing block 4312 to drive the paper pushing block 4312 to move forward and backward, the movement of the second pushing driving member 433 lags behind the movement of the first pushing driving member 432, so that the tray 4311 and the paper pushing block 4312 have moving strokes alternating forward and backward, so that the document to be packaged can be loaded into the open empty envelope.

The specific forms of the first pushing driving part 432 and the second pushing driving part 433 are not limited in the present invention, and the first pushing driving part 432 and the second pushing driving part 433 can be both set as pushing cylinders, can also be both set as linear pushing motors, can also be set as pushing cylinders by definition, and can also be set as linear pushing motors.

Referring to fig. 9, the envelope sealing device 5 includes a pressing structure 51, a tearing structure 52, a folding structure 53 and a rolling structure 54, and the mounting base is used for placing the envelope; the pressing structure 51 is arranged on the mounting base and used for pressing the envelope body; the tearing structure 52 is arranged on the mounting base and used for tearing the release paper arranged on the envelope hinge; the folding structure 53 is arranged on the mounting base and used for folding the envelope hinge upwards; roll-in structure 54 is located the installation frame is used for along the front and back to will turn over the back envelope hinge pressure paste extremely on the envelope body, pressure is held the structure 51 and is pressed and is in behind the envelope on the installation frame 1, tear structure 52 and tear and locate the release paper on the envelope hinge, fold paper structure 53 along the front and back to the swing, turn over the book upwards the envelope hinge, roll-in structure 54 is along the front and back to the activity, will turn over the back envelope hinge pressure paste extremely on the envelope body, through the installation frame press hold the structure 51 tear structure 52 fold paper structure 53 and roll-in structure 54's cooperation operation realizes the self-sealing of envelope, improves encapsulation efficiency.

Further referring to fig. 9, a pressing portion 511 is formed on the pressing structure 51, the pressing portion 511 has a vertical moving stroke for pressing the envelope body, the pressing structure 51 includes a pressing driving component 512, the pressing driving component 512 is disposed on the mounting base for driving the pressing portion 511 to move, the pressing portion 511 presses the envelope in the envelope packaging process, and the envelope is released after the envelope is packaged, so that the envelope is prevented from being displaced in the packaging process, and the next operation of the envelope is not affected after the envelope is packaged.

In the present invention, the pressing structure 51 further includes a pressing plate 511a, the middle of the pressing plate 511a is hinged to the mounting base, and one end of the pressing plate 511 forms the pressing part 511; the pressing driving assembly 512 includes a pressing driving structure 5124, the pressing driving structure 5124 has a vertical moving stroke, a moving end of the pressing driving structure 5124 is disposed corresponding to the other end of the pressing plate 511a to drive the other end of the pressing plate 511a to move vertically, a middle position of the pressing plate 511a is hinged to the mounting base, the clamping plate forms a lever structure, the pressing driving structure 5124 presses the other end of the pressing plate 511a downward, the pressing part 511 moves upward to release the envelope, the pressing driving structure 5124 releases the other end of the pressing plate 511a, the pressing part 511 moves downward under the action of gravity to press the envelope, so that the pressing structure 51 presses the envelope during the envelope packaging process, and releases the envelope after the envelope packaging process is completed.

Specifically, the present invention does not limit the specific form of the pressing and driving structure 5124, the pressing and driving structure 5124 may be a driving cylinder or an electric push rod, in this embodiment, the pressing and driving structure 5124 is a pressing and driving linear motor 5124a, a movable end of the pressing and driving linear motor 5124a is disposed corresponding to the other end of the pressing and driving plate 511a, and the pressing and driving linear motor 5124a has a vertical movable stroke and high precision, and has a better driving effect.

In order to better complete the pressing and holding operation, in the present invention, the pressing and holding driving assembly 512 further includes a supporting plate 5121 fixed on the mounting frame 1, a pressing head 5122 and a pressing and holding guiding structure 5123, the movable end of the pressing and holding linear motor 5124a is connected to the pressing head 5122, the pressing head 5122 is slidably mounted on the supporting plate 5121 in the up-down direction, the pressing and holding guiding structure 5123 includes a pressing and holding sliding rail 5123a and a pressing and holding sliding groove 5123b which are slidably engaged with each other, one of the pressing and holding sliding rail 5123a and the pressing and holding sliding groove 5123b is disposed on the supporting plate 5121, and the other is disposed on the pressing head 5122, and the pressing and holding sliding rail 5123a and the pressing and holding sliding groove 5123b are slidably engaged with each other, so as to improve the stability of the pressing and holding driving assembly 512 and better drive the pressing and holding plate 511 a.

Referring to fig. 10, the tearing structure 52 includes a clamping head structure 521 and a tearing driving assembly 522, the clamping head structure 521 includes two clamping arms 5211 hinged at the middle position, each clamping arm 5211 has an opposite tearing mounting end 5211b and a tearing clamping end 5211a, the tearing clamping ends 5211a of the two clamping arms 5211 are oppositely disposed to form a clamping space for clamping the tearing end of the release paper, the tearing mounting end 5211b of one of the clamping arms 5211 is disposed on the mounting base, and the tearing mounting end 5211b of the other clamping arm 5211 has a forward and backward moving stroke; tear drive assembly 522 is located on the installation frame, be used for driving another the activity of the tear installation end 5211b of centre gripping arm 5211 realizes tear structure 52 tears to locate the release paper on the envelope hinge.

With further reference to fig. 10, specifically, the tearing driving assembly 522 includes a tearing driving motor 5221, a synchronous belt transmission structure 5222 and a screw transmission structure 5223, the tearing driving motor 5221 is fixed on the mounting base; the synchronous belt transmission structure 5222 comprises a tearing synchronous wheel 5222a, a tearing driven wheel 5222b and a tearing synchronous belt 5222c arranged between the tearing synchronous wheel 5222a and the tearing driven wheel 5222b, and the tearing synchronous wheel 5222a is arranged on an output shaft of the tearing driving motor 5221; screw transmission structure 5223 establishes complex lead screw 5223a and nut cover 5223b including mutual thread bush 5223b, lead screw 5223a sets up along extending to the front and back, lead screw 5223a is located the installation frame, nut cover 5223b and another the tearing installation end 5211b of centre gripping arm 5211 is connected, drives another the tearing installation end 5211b activity of centre gripping arm 5211 realizes tearing structure 52 and tearing and locating release paper on the envelope hinge.

In order to improve the stability of the activity of clamping head structure 521, it still includes to tear structure 52 and draws guide structure 523, tear guide structure 523 and include mutual sliding fit tear guide slide rail 5231 and tear guide slide block 5232, tear guide slide rail 5231 and tear in the guide slide block 5232, one of them is located the installation frame, another is connected in another the installation end 5211b is pulled in tearing of centre gripping arm 5211 makes it locates to tear that structure 52 can be more stable tear the release paper on the envelope hinge.

Referring to fig. 11, the folding structure 53 includes a folding plate 531 and a folding driving assembly 532, the folding plate 531 has a vertical swing stroke for being attached to the envelope; the folding driving assembly 532 is arranged on the mounting base 1 and used for driving the folding plate 531 to move, so that the folding plate 531 swings up and down to fold the envelope hinge upwards.

With further reference to fig. 11, the folding drive assembly 532 includes a folding drive motor 5321, an eccentric 5322, and a folding connecting rod 5323, wherein the folding drive motor 5321 is fixed to the mounting base; the eccentric wheel 5322 is arranged on an output shaft of the folding driving motor 5321, and an eccentric mounting part is formed on the eccentric wheel 5322; the connecting rod is along the setting of extending around to, the one end of connecting rod is articulated install in eccentric installation department, other end fixed connection tucker board 531, eccentric wheel 5322 makes the connecting rod has along the upper and lower decurrent intermittent type nature activity stroke, and then makes tucker board 531 is along reciprocating swing from top to bottom, realizes upwards turning over the envelope hinge.

Referring to fig. 12, the rolling structure 54 includes a rolling portion 541 and a pressing wheel 2321 driving assembly, the rolling portion 541 has a vertical and a longitudinal moving stroke, and is configured to roll the folded envelope hinge downward, so that the envelope hinge is pressed against the envelope body; the pressing wheel 2321 driving component is arranged on the mounting base and used for driving the rolling portion 541 to move, and when the pressing wheel 2321 driving component drives the rolling portion 541 to move forwards, the rolling portion 541 moves downwards to be close to the envelope, and the folded envelope hinge is pressed and attached to the envelope body.

Specifically, in the present invention, the rolling portion 541 includes a rolling pressing wheel 541a rotatably installed along a left-right extending axis; the pinch roller driving assembly 542 comprises a pinch roller driving motor 5421, a rack and pinion transmission mechanism 5422 and an installation frame 5423, and the pinch roller driving motor 5421 is arranged on the installation base 1; the gear-rack transmission mechanism 5422 comprises a gear 5422a and a rack 5422b which are meshed with each other, the gear 5422a is arranged on a rolling output shaft of the pinch roller drive motor 5421, and the rack 5422b extends forwards and backwards; mounting bracket 5423 has rotation end and link to the distribution from beginning to end, the link connect in rack 5422b, the rotation end is less than the link sets up, wherein, roll-in pinch roller 541a is located the rotation end, because the rotation end is less than the link sets up, when roll-in pinch roller 541a moved forward, still the downstream was close to the envelope will turn over the back the envelope hinge is pressed and is pasted extremely on the envelope body.

More specifically, the pinch roller driving assembly 542 further includes a rolling base 5424 disposed on the mounting frame 1, and a rolling bearing plate 5425 (see fig. 12) disposed on the rolling base 5424, wherein the pinch roller driving motor 5421 is fixed at the bottom of the rolling base 5424, the rolling output shaft penetrates the rolling base plate in the up-down direction, a rolling upper end surface facing away from the rolling base plate is formed on the rolling bearing plate 5425, a rolling mounting groove 5425a penetrating in the up-down direction is formed on the rolling upper end surface, the rack 5422b is disposed on one side wall of the rolling mounting groove 5425a in the left-right direction, the rolling output shaft is connected to a gear 5422a engaged with the rack 5422b, the gear 5422a and the rolling output shaft rotate coaxially, the connecting end is rotatably connected to a side portion of the rolling bearing plate 5425, and an extension spring is further connected between the rolling bearing plate 5425 and the mounting frame 5423, the mounting frame 5423 is used for limiting the movement of the mounting frame, the pressing wheel 2321 drives the motor to drive the rolling pressing wheel 541a to move forwards, and meanwhile, the rolling pressing wheel 541a2321 also moves downwards to be close to the envelope, so that the folded envelope is pressed and attached to the envelope body.

In order to improve the stability of the forward and backward movement of the rolling pressing wheel 541a2321, the rolling structure 54 further includes a rolling guide structure 543, the rolling guide structure 543 includes a rolling sliding groove 5431 and a rolling sliding strip 5432 which are in sliding fit with each other, one of the rolling sliding groove 5431 and the rolling sliding strip 5432 is disposed on the rolling base 5424, the other is disposed on the rolling bearing plate 5425, and the rolling sliding groove 5431 and the rolling sliding strip 5432 are in sliding fit with each other, so that the rolling pressing wheel 541a is stable in forward and backward movement, and is further pressed against the envelope hinge better.

In order to accurately attach the envelope hinge, in the present invention, the rolling structure 54 is further provided with a position detection device 544 (see fig. 12), the position detection device 544 includes a position detector disposed on the substrate at an interval in the forward and backward directions, and the position detector is configured to detect a moving distance of the rolling pressing wheel 541a in the forward and backward directions, so as to ensure that the folded envelope hinge can be pressed onto the envelope body when the rolling pressing wheel 541a moves forward, thereby ensuring the packaging quality.

Referring to fig. 13, the envelope attaching unit 6 includes a fixed bottom plate 61, a printer 62, an output plate 63, and a scanner 64, where the fixed bottom plate 61 is disposed on the mounting rack 1; the printer 62 is arranged on the fixed bottom plate 61 and used for generating a sheet, and the printer 62 comprises a sheet outlet arranged towards the right; the sheet outlet plate 63 is connected with the sheet outlet and is obliquely arranged from the sheet outlet to the conveyor belt 213, and the sheet is sleeved on the sheet outlet plate 63 along the left-right direction so as to be separated from the base paper 68 when the sheet is discharged and be stuck on the sealed envelope on the conveyor belt 213 to form the finished envelope; the scanner 64 is arranged on the mounting rack 1 and used for scanning the detail list on the finished envelope and recording the information of the envelope which is packaged; after the finished envelope scanning is completed, the conveying belt 213 moves to transfer the finished envelope from the envelope attaching station to the discharging station, discharging is performed from the discharging station, and the envelope attaching device replaces manual attaching, so that the envelope attaching device is efficient and convenient.

In order to better complete the sheet attaching operation, the envelope sheet attaching device 6 is further provided with an auxiliary sheet attaching component 65 and a charging component 66, the auxiliary sheet attaching component 65 is used for pressing and attaching the sheet attaching on the finished envelope, the charging component 66 comprises a feeding shaft 661 and a material receiving shaft 662 which are distributed on the fixed bottom plate 61 at intervals, the blank detail sheet 67 enters the printer 62 from the feeding shaft 661 to generate the sheet attaching, and the base paper 68 is wound on the material receiving shaft 662 from the sheet outlet 63 to clean the sheet attaching station.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents made by the contents of the present specification and drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A document encapsulation apparatus for encapsulating a document into an envelope, the apparatus comprising:

the envelope feeding device comprises a conveying belt, and the conveying stroke of the conveying belt sequentially passes through the feeding station, the filling station, the packaging station, the single attaching station and the discharging station;

2. The document encapsulation apparatus according to claim 1, wherein the envelope feeding means comprises:

the bearing structure is arranged on the mounting rack, a bearing surface is formed on the bearing structure, a plurality of stacked envelopes are arranged on the bearing surface, and a discharge hole is formed in the right side of the bearing surface;

the adsorption component is arranged on the installation rack and is positioned at the lower end of the bearing structure, the adsorption component comprises an adsorption piece which is movably arranged along the vertical direction, and the adsorption piece is arranged corresponding to the discharge hole; and the number of the first and second groups,

the discharging assembly is provided with a clamping part movably mounted on the mounting rack in the left-right direction, the clamping part is positioned on the right side of the adsorption piece, and the clamping part is arranged corresponding to the conveying belt;

the adsorption piece upwards extends into the discharge hole and downwards adsorbs the envelopes positioned at the lowest layer, so that the end parts of the envelopes are downwards exposed from the discharge hole to form a drawing end, the clamping part leftwards moves to clamp the drawing end and moves rightwards to draw the envelopes out, and the envelopes are conveyed to the conveying belt positioned at the feeding station.

3. The document packaging apparatus of claim 1, wherein the document loading device comprises:

the envelope opening mechanism is arranged on the mounting rack and used for opening the opening end of the envelope at the filling station to form an open empty envelope;

the document conveying mechanism is arranged on the mounting rack and used for conveying the document to be packaged; and the number of the first and second groups,

the document filling mechanism is arranged on the mounting rack, corresponds to the conveying belt, and is used for receiving the documents to be packaged from the document conveying mechanism and filling the documents to be packaged into the open empty envelopes on the conveying belt.

4. The document enclosure apparatus of claim 3, wherein the letter closure opening mechanism is disposed in a front-to-back direction with respect to the document transport mechanism, the letter closure opening mechanism comprising:

the lifting device comprises a lifting motor arranged on the mounting rack, and the lifting motor is provided with an output shaft moving along the vertical direction; and the number of the first and second groups,

and the adsorption device comprises a sucker arranged on the installation rack, and the sucker is connected with the output shaft.

5. The document enclosure apparatus of claim 3, wherein the document transport mechanism comprises:

the conveying panel is arranged on the mounting rack, extends in the front-back direction, and is provided with a paper receiving end and a conveying end, the paper receiving end is used for receiving the document to be packaged, and the conveying end is used for connecting the document filling mechanism; and the number of the first and second groups,

the document conveying component comprises a plurality of roller assemblies which are arranged on the conveying panel at intervals in the front-back direction, and the plurality of roller assemblies are used for conveying documents to be packaged from the paper splicing end to the document filling mechanism connected with the conveying end.

6. The document packing apparatus of claim 3, wherein the document loading mechanism comprises a document loading unit comprising:

the tray is movably arranged on the mounting rack in the front-back direction, corresponds to the conveyor belt and is used for conveying documents to be packaged, which are received from the document conveying mechanism, into the open empty envelope; and the number of the first and second groups,

the paper pushing block is movably arranged in the tray in the front-back direction and is used for moving the to-be-packaged document into the open empty envelope to abut against the to-be-packaged document when the tray pushes the to-be-packaged document into the open empty envelope, so that the to-be-packaged document is left in the open empty envelope when the tray withdraws from the open empty envelope.

7. The document encapsulation apparatus according to claim 1, wherein the envelope includes an envelope body and an envelope hinge for covering an opening of the envelope body, wherein the envelope encapsulation device includes:

the envelope body is pressed on the conveying belt by the pressing and holding structure, the pressing and holding structure is provided with a pressing and holding part, the pressing and holding part has an up-down movable stroke and is used for pressing the envelope body on the conveying belt, the pressing and holding structure comprises a pressing and holding driving assembly, and the pressing and holding driving assembly is arranged on the mounting rack and is used for driving the pressing and holding part to move;

the tearing structure comprises a clamping head structure and a tearing driving assembly which are arranged on the mounting rack, and the tearing driving assembly drives the clamping head structure to tear release paper arranged on the envelope hinge;

the folding structure comprises a folding plate with a vertical swinging stroke and a folding driving assembly arranged on the mounting rack, and the folding driving assembly drives the folding plate to fold the envelope hinge upwards; and the number of the first and second groups,

the rolling structure comprises a rolling part with vertical and front-back movable strokes and a rolling driving assembly arranged on the mounting rack, and the rolling driving assembly is used for driving the rolling part to roll downwards so that the folded envelope hinge is pressed and attached to the envelope body.

8. The document packaging apparatus according to claim 7, wherein the clamping head structure includes two clamping arms hinged to each other at a middle position, each clamping arm has an opposite mounting end and a clamping end, the clamping ends of the two clamping arms are disposed opposite to each other to form a clamping space for clamping the tearing end of the release paper, the mounting end of one of the clamping arms is disposed on the mounting rack, and the mounting end of the other clamping arm has a forward and backward movement stroke;

the tearing driving component is used for driving the mounting end of the other clamping arm to move.

9. The document packaging apparatus according to claim 1, wherein the envelope feeding device further comprises a plurality of retaining structures, the retaining structures are arranged on the conveyor belt at intervals, each retaining structure comprises two retaining protrusions arranged at intervals in the left-right direction, and a retaining space is formed between the two retaining protrusions for retaining the envelope.

10. The document packaging apparatus according to claim 1, wherein the envelope sheet device comprises:

the fixed bottom plate is arranged on the mounting rack;

the printer is arranged on the fixed bottom plate and used for generating a sheet, and the printer comprises a sheet outlet arranged towards the right;

the sheet outlet is connected with the sheet outlet and is obliquely arranged from the sheet outlet to the conveyor belt, and the sticking sheet is sleeved on the sheet outlet along the left-right direction so as to be separated from the base paper when the sticking sheet is discharged and stuck on the sealed envelope on the conveyor belt to form the finished envelope; and the number of the first and second groups,

and the scanner is arranged on the mounting rack and used for scanning the detail list on the finished envelope and recording the information of the envelope which is packaged completely.