CN114013104A

CN114013104A - Automatic change paper angle bead binding means

Info

Publication number: CN114013104A
Application number: CN202111373820.1A
Authority: CN
Inventors: 姜善磊
Original assignee: Qingdao Shengrunhong Industry And Trade Co ltd
Current assignee: Qingdao Qiangli Industry And Trade Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-02-08
Anticipated expiration: 2041-11-18
Also published as: CN114013104B

Abstract

The invention discloses an automatic paper angle bead binding device, which comprises a paper angle bead positioning table, a plurality of paper angle bead horizontal binding mechanisms and at least one group of paper angle bead lateral binding mechanisms, wherein the paper angle bead positioning table is horizontally arranged on a rack and is consistent with the shape of a formed paper angle bead, the plurality of paper angle bead horizontal binding mechanisms are arranged above a binding part of the paper angle bead positioning table and are positioned on the same horizontal plane, and the at least one group of paper angle bead lateral binding mechanisms are arranged on the side surface of the paper angle bead mounting positioning table and are used for binding the side surface of the overlapping part of the head and the tail of the paper angle bead; the paper corner protector horizontal binding mechanism comprises a horizontal base and two paper corner protector binding assemblies respectively arranged on the left side and the right side of the center of the horizontal base; the two paper corner protector binding assemblies are reversely arranged; the paper corner protector lateral automatic binding mechanism comprises a longitudinal base connected with the side face of the rack and a paper corner protector binding assembly vertically arranged on the longitudinal base. The automatic paper angle bead binding device is exquisite in structural arrangement, convenient to operate, capable of achieving binding of all binding positions in one step, and greatly improved in automation degree and working efficiency.

Description

Automatic change paper angle bead binding means

Technical Field

The invention relates to the technical field of paper corner protector processing equipment, in particular to an automatic paper corner protector binding device.

Background

Along with the rapid development of the packaging industry, the paper angle bead which has a reinforcing effect on the packaging of cartons and the like is more and more popular in application, and meanwhile, the strength requirement of people on the paper angle bead is higher. There are many kinds of paper corner protectors, and one of the common kinds is a square paper corner protector, which is formed by folding a strip-shaped paper board several times to form a rectangular shape, and binding the overlapped part and the corner to form a rectangular paper frame as shown in fig. 1. The box-shaped paper corner protector Z usually needs to be punched with two nails at the four corner binding positions Z2, respectively, and 2 nails are punched at the top binding position Z2 and the side binding position Z1 at the overlapping position of the paper corner protector end to end, respectively, so as to complete the binding of one rectangular paper corner protector, and therefore 12 nails need to be punched into the paper corner protector in the prior art.

At present, the paper corner protector binding machine on the market has simple structure and single function, and can only punch out 1 nail at one time, for example, a patent with publication number CN208630967U discloses a pneumatic paper corner protector frame nailing forming machine as shown in fig. 2, which comprises a bracket, a nailing device and an auxiliary nailing device, and only can process one loading and positioning of one surface of the paper corner protector at one time, so that the paper corner protector binding machine can finish the binding of one paper corner protector by successively operating for many times in a mode of transferring the to-be-loaded and positioned position to a nailing module for binding by rotating the paper corner protector, and the device has low working efficiency and low speed.

Therefore, the existing paper corner protection binding machine is yet to be developed.

Disclosure of Invention

Aiming at the technical problems, the invention provides the automatic paper corner protector binding device for efficient binding, which synchronously binds all the binding positions of the paper corner protector through the matched paper corner protector horizontal binding mechanism and the paper corner protector lateral binding mechanism, greatly improves the binding efficiency of the paper corner protector, and has simple operation and high automation degree.

The invention provides the following technical scheme:

an automatic paper angle bead binding device comprises a paper angle bead positioning table, a plurality of paper angle bead horizontal binding mechanisms and at least one group of paper angle bead lateral binding mechanisms, wherein the paper angle bead positioning table is horizontally arranged on a rack and is consistent with the shape of a formed paper angle bead, the plurality of paper angle bead horizontal binding mechanisms are arranged above the binding part of the paper angle bead positioning table and are positioned on the same horizontal plane, and the at least one group of paper angle bead lateral binding mechanisms are arranged on the side surface of the paper angle bead mounting positioning table and are used for binding the side surface of the position where the paper angle beads are overlapped end to end;

the paper corner protector horizontal binding mechanism comprises a horizontal base and two paper corner protector binding assemblies respectively arranged on the left side and the right side of the center of the horizontal base; the two paper corner protector binding assemblies are reversely arranged; the paper corner protector lateral automatic binding mechanism comprises a longitudinal base connected with the side face of the rack and a paper corner protector binding assembly vertically arranged on the longitudinal base.

Preferably, the paper corner protector mounting and positioning table is of a rectangular structure; the paper corner protector vertical mounting mechanism comprises a paper corner protector mounting positioning table, a paper corner protector vertical mounting mechanism and a paper corner protector vertical mounting mechanism, wherein the paper corner protector mounting positioning table is arranged at the four corner mounting positions of the paper corner protector mounting positioning table respectively; the paper angle bead lateral binding mechanism is correspondingly arranged on the outer side of the lateral binding position at the overlapping position of the head and the tail of the paper angle bead.

Preferably, the paper corner protector binding assembly comprises a binding box for mounting nail sheets, a guide channel extending from the binding box to the center of the base, a blade positioning plate vertically arranged at the tail end of the guide channel, a nail pushing mechanism horizontally arranged along the base and used for pushing the nail sheets to move towards the blade positioning plate, and a blade fixing frame driven by external force to carry out surface binding movement perpendicular to the paper corner protector positioning table, wherein longitudinal blades are arranged on the blade fixing frame, the blades are in sliding connection with slideways longitudinally arranged in the blade positioning plate in a penetrating mode, and inner cavities of the slideways are communicated with the guide channel.

Preferably, the staple pushing mechanism comprises: the push plate is used for abutting against the side face of the nail sheet at the bottommost part of the binding box, the first lifting driving mechanism is connected with the push plate and drives the push plate to move towards the direction of the blade positioning plate, and the push plate drives the nail sheet to move towards the direction of the blade positioning plate along the guide channel under the driving of the first lifting driving mechanism.

Preferably, the paper corner protector lateral automatic binding mechanism further comprises a feeding mechanism which is arranged through the outer side of the binding box and is used for pushing the nail sheets in the binding box inwards.

Preferably, the horizontal pushing mechanism includes: the nail sheet horizontal driving mechanism comprises a cross rod parallel to the side wall of the binding box, an inner end of the cross rod penetrates into the binding box, an extrusion part arranged at the inner end of the cross rod and a connecting part arranged at the outer end of the cross rod, the extrusion part is parallel to the maximum surface of a nail sheet, and the connecting part is further connected with a telescopic rod of the first horizontal driving mechanism.

Preferably, the automatic paper corner protector binding device further comprises a first paper corner protector auxiliary positioning device arranged obliquely above the side surface of the paper corner protector positioning table, the first paper corner protector auxiliary positioning device comprises at least two auxiliary cylinders which are fixed on the frame and located on the same horizontal line, and an auxiliary positioning plate which is driven by the auxiliary cylinders to be attached to the upper edge of the paper corner protector positioning table, and the auxiliary positioning plate is arranged in parallel with the edge of the paper corner protector positioning table; the side surfaces of the auxiliary positioning plates are fixedly connected with the telescopic rods of the auxiliary cylinders respectively; the telescopic rod of the auxiliary cylinder is obliquely arranged.

Preferably, the auxiliary positioning plate is L-shaped in cross section.

Preferably, the automatic paper angle bead binding device further comprises a second paper angle bead auxiliary positioning device arranged in parallel to the side face of the paper angle bead positioning table, and the second paper angle bead auxiliary positioning device comprises a side positioning plate arranged on the outer side face of the paper angle bead positioning table in parallel and a side positioning cylinder connected with the side positioning plate.

Preferably, the automatic paper angle bead binding device further comprises a paper angle bead ejection mechanism fixed below the side of the paper angle bead positioning table and used for vertically ejecting the paper angle bead to enable the paper angle bead to be separated from the paper angle bead positioning table, and the paper angle bead ejection mechanism comprises an ejection cylinder fixed on the frame and an ejection block connected above the ejection cylinder; the paper angle bead ejection mechanisms are at least arranged on two opposite side surfaces of the paper angle bead positioning table.

Preferably, the binding box comprises a left guard plate and a right guard plate which are vertically arranged along the long edge of the base, and a nail containing box which is arranged on the two guard plates and is used for containing a plurality of layers of nail sheets which are stacked up and down; the distance between the left guard plate and the right guard plate is the width of the nail sheet; the inner surfaces of the two side walls of the nail containing box are respectively flush with the two guard plates, and a nail sheet containing cavity only used for vertically moving the nail sheet is arranged in the nail containing box; the bottom surface of the nail containing box is provided with an opening for allowing the nail sheet to fall out; a loading port for placing a nail sheet is formed in the shell of the nail containing box, a push plate inlet is formed in the bottom of the rear side face of the nail containing box, and a nail sheet outlet consistent with the cross section of the nail sheet is formed in the bottom of the front side face of the nail containing box; an elastic component is arranged between the blade fixing frame and the top wall of the guide channel;

preferably, the knife rest fixing frame is fixedly connected with the upper end of a positioning frame, the middle part of the positioning frame is in transmission connection with a second horizontal driving mechanism, and the lower part of the positioning frame is hinged with the base;

the automatic paper angle bead binding device further comprises a position lifting mechanism used for lifting the position of the automatic lateral paper angle bead binding assembly, the position lifting mechanism comprises a lifting cross rod fixedly connected with the base, at least one first sliding block is arranged on the lifting cross rod, a first longitudinal sliding rail is arranged on the side wall of the rack, the first sliding block is connected to the first longitudinal sliding rail in a sliding mode, and the lifting cross rod is in transmission connection with a second lifting driving mechanism.

The automatic paper corner protector binding device provided by the invention has the following beneficial effects:

1. during operation, the paper corner protector horizontal binding mechanism and the paper corner protector lateral binding mechanism are matched with each other, so that all binding of the paper corner protector can be completed synchronously, and the working efficiency is greatly improved. Specifically, all the paper corner protectors are bound uniformly at all binding positions on the upper surface of the paper corner protector by the horizontal binding mechanism of all the paper corner protectors, the paper corner protectors are bound on the side surfaces of the paper corner protectors by the lateral binding mechanism of the paper corner protectors, and all the binding of the paper corner protectors is completed in one step through the cooperation of the two binding mechanisms.

2. The first paper angle bead auxiliary positioning device that sets up can fix a position the different sides of paper angle bead from the different sides to make the whole accurate positioning of paper angle bead at paper angle bead location bench, each subsequent binding mechanism of being convenient for carries out accurate binding to corresponding position. The symmetrically arranged paper angle bead ejection mechanisms jack up the bottom surfaces of the paper angle beads upwards, so that the paper angle beads are slowly ejected out of the paper angle bead positioning table, and the convenience for taking out the paper angle beads is improved.

3. The horizontal binding mechanism for the paper angle bead is simple in structure and convenient to use, and can complete binding of two nails in one operation, so that the binding efficiency of the paper angle bead is doubled. The binding box is simple in structure, can be provided with a plurality of layers of nail sheets at a time, and can enable the plurality of layers of nail sheets to continuously and automatically feed nails after being assembled with other structures of the paper corner protector binding machine for use, thereby greatly improving the capacity of the binding box, reducing the nail changing frequency and improving the binding efficiency of the paper corner protector.

4. Above-mentioned automatic paper angle bead binding means's structure sets up exquisitely, and not only the operation is convenient, can one step realize the binding to all dress positions of paper angle bead to the location is accurate, takes out the facility, and degree of automation is high, has greatly improved the work efficiency of paper angle bead, has fine market perspective.

Drawings

FIG. 1 is a schematic view of a conventional paper corner protector;

FIG. 2 is a prior art paper corner protector stapler;

fig. 3 is a schematic view showing the overall configuration of an automated paper corner protector binding apparatus according to embodiment 1 of the present invention;

FIG. 4 is a schematic view showing a distribution structure of a paper corner protector horizontal binding mechanism in a top view in embodiment 1;

FIG. 5 is a schematic perspective view of a horizontal binding mechanism for a paper corner protector;

FIG. 6 is a schematic top view of the horizontal binding mechanism of the paper corner protector;

FIG. 7 is a schematic side view of the paper corner protector horizontal binding mechanism;

FIG. 8 is an exploded view of the construction of a single paper corner guard binding assembly;

FIG. 9 is a schematic structural view of an upper holder to which two blade holders are attached;

FIG. 10 is a cross-sectional view A-A of FIG. 6;

FIG. 11 is a side elevational view of a single paper corner guard binding assembly;

FIG. 12 is a schematic view of the automatic feeding of the paper corner guard horizontal binding mechanism;

FIG. 13 is a mechanism diagram of a paper corner protector side binding mechanism in a side view in embodiment 1;

FIG. 14 is a perspective view of the main body of the automatic side paper corner binding mechanism;

FIG. 15 is a schematic view of the construction of the automatic side paper corner protector binding mechanism in a horizontally disposed state; the integral structure of the positioning frame is omitted in the drawing, and only the structure of the connecting part of the positioning frame and the tool rest fixing frame is reserved;

FIG. 16 is a schematic side view showing the structure of an automated paper corner protector binding apparatus of embodiment 1, with the horizontal binding mechanism and the side binding mechanism omitted;

fig. 17 is a schematic perspective view showing an automated paper corner protector binding apparatus in embodiment 1, with a horizontal binding mechanism and a lateral binding mechanism omitted;

fig. 18 is a flowchart showing the operation of the automated corner paper bead binding apparatus for performing corner paper bead binding.

Wherein the reference numerals are as follows:

the paper corner protector binding machine comprises a rack J, a paper corner protector positioning table A, a paper corner protector horizontal binding mechanism B, a paper corner protector lateral binding mechanism C, a first paper corner protector auxiliary positioning device D, an auxiliary air cylinder D1, an auxiliary positioning plate D2, a second paper corner protector auxiliary positioning device F, a lateral positioning plate F1, a lateral positioning air cylinder F2, a paper corner protector ejection mechanism E, an ejection air cylinder E1, an ejection block E2, a paper corner protector Z, a longitudinal binding position Z1 and a horizontal binding position Z2;

(1) parts of paper angle bead horizontal binding mechanism

The binding box 1, the left guard plate 12, the right guard plate 13, the nail containing box 14, the nail sheet containing cavity 141, the push plate inlet 142, the loading port 143, the nail sheet outlet 144, the top plate 15, the guide channel 16, the elastic component positioning column 17, the blade positioning plate 18, the slideway 181, the knife inlet 182, the positioning plate nail inlet 183, the sensor mounting notch 18, the push plate 21, the third horizontal driving mechanism 22, the cylinder telescopic rod 221, the connecting plate 23, the blade fixing frame 3, the fixing plate 31, the blade 32, the through hole 33, the elastic component 4, the sliding block 5, the sliding rail 6, the nail sheet 8, the cylinder 9 and the upper fixing seat 10;

(2) parts of paper corner protector lateral binding mechanism

The nail pushing mechanism C2, the feeding mechanism C08, the first horizontal driving mechanism C080, the cross bar C081, the squeezing part C082, the connecting part C083, the telescopic rod C084 of the horizontal driving mechanism, the positioning frame C02, the lifting cross bar C03, the first slider C04, the first longitudinal slide rail C05, the second horizontal driving mechanism C07, the telescopic rod C071 of the second horizontal driving mechanism C07, the first lifting driving mechanism C22 and the second lifting driving mechanism C09;

the binding box C1, the left protective plate C12, the right protective plate C13, the nail containing box C14, a nail sheet accommodating cavity C141, a push plate inlet C142, a loading port C143, a nail sheet outlet C144, a top plate C15, a guide channel C16, an elastic component positioning column C17, a blade positioning plate C18, a slide way C181, an inlet edge C182, a positioning plate inlet nail port C183, a sensor mounting notch C184, a push plate C21, a connecting plate C23, a blade fixing frame C3, a fixing plate C31, a blade C32, a through hole C33, an elastic component C4, a second slide block C5, a second longitudinal slide rail C6, a position sensor C7, a nail sheet C8 and a cylinder C9.

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 will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used in this specification, the terms "vertical," "horizontal," "left," "right," "up," "down," "inner," "outer," "bottom," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

As shown in fig. 3, the present embodiment provides an automatic paper corner protector binding apparatus, which includes a paper corner protector positioning table a horizontally disposed on a machine frame J and having a shape corresponding to a shape of a formed paper corner protector, a plurality of paper corner protector horizontal binding mechanisms B installed above a binding portion of the paper corner protector positioning table and disposed on a same horizontal plane, and at least one set of paper corner protector lateral binding mechanisms C disposed on a side surface of the paper corner protector installation positioning table and used for binding a side surface of a position where the paper corner protector overlaps end to end.

When the paper angle bead binding machine works, all the paper angle bead horizontal binding mechanisms B simultaneously and uniformly bind all the binding positions on the upper surface of the paper angle bead, the paper angle bead lateral binding mechanisms C bind the side surfaces of the paper angle bead, and all the binding of the paper angle bead is completed in one step through the matching of the two binding mechanisms.

In this embodiment, since the paper corner protector used is a frame-shaped paper corner protector as shown in fig. 1, correspondingly, as shown in fig. 16, the paper corner protector installation positioning table is a rectangular structure, at least one beam a1 is arranged on the paper corner protector positioning table a corresponding to the splicing position of the paper corner protector, and the surface of the paper corner protector positioning table is provided with corresponding grooves a2 corresponding to the paper corner protector installation positions, respectively. As shown in fig. 1 and 4, the paper corner protector vertical installation mechanism B includes 5 mechanisms, which are respectively arranged above the four corner binding positions of the paper corner protector installation positioning table and the horizontal binding positions of the overlapped end-to-end positions of the paper corner protector, and are used for binding and forming the corners and the end-to-end joints of the paper corner protector; the paper angle bead lateral binding mechanism C is correspondingly arranged on the outer side of the lateral binding position at the head-tail overlapping position of the paper angle bead and is used for reinforcing and binding the head-tail splicing position of the paper angle bead.

In other embodiments, if the paper corner protectors are triangular, trapezoidal or polygonal, the paper corner protector mounting and positioning tables are also set to be correspondingly matched in shape, and the number of the paper corner protector horizontal binding mechanisms B is reasonably determined according to the set positions.

Specifically, the paper corner protector horizontal binding mechanism B comprises a horizontal base 11 and two paper corner protector binding assemblies respectively arranged on the left side and the right side of the center of the horizontal base, the two paper corner protector binding assemblies are reversely arranged, and the paper corner protector horizontal binding mechanism can finish binding of 2 adjacent sites in one step. The paper corner protector lateral automatic binding mechanism C comprises a longitudinal base C11 connected with the side surface of the machine frame and a paper corner protector binding assembly vertically arranged on the longitudinal base. Therefore, the paper corner protector binding assembly is a structural unit forming a paper corner protector horizontal binding mechanism and a paper corner protector lateral automatic binding mechanism, but different functions are respectively realized in two different binding mechanisms through matching with different structures, different mechanism improvement characteristics are provided, and the two binding mechanisms in the embodiment are respectively specifically explained below.

Paper angle bead horizontal binding mechanism

A paper corner protector horizontal binding mechanism as shown in fig. 5-12, which comprises a horizontal base 11, two paper corner protector binding assemblies respectively arranged at the left side and the right side of the center of the horizontal base; the two paper corner protection binding assemblies are reversely arranged. The paper corner protector binding assembly comprises a binding box 1 for mounting nail sheets, a guide channel 16 extending from the binding box to the center of a horizontal base, a blade positioning plate 18 vertically arranged at the tail end of the guide channel, a nail pushing mechanism horizontally arranged along the horizontal base and used for pushing nail sheets 8 to move towards the blade positioning plate, and a blade fixing frame 3 driven by external force to move up and down, wherein longitudinal blades 32 are arranged on the blade fixing frame 3, the blades are in sliding connection with a slide 181 longitudinally arranged in the blade positioning plate in a penetrating mode, and the inner cavities of the slides are communicated with the guide channel.

When the paper angle bead binding assembly works, two paper angle bead binding assemblies arranged on the left and the right work synchronously, the nail sheet 8 at the bottommost part of the binding box of each paper angle bead binding assembly is pushed by external force towards the right horizontally to move horizontally along the guide channel 16 to reach the blade positioning plate, one nail at the outermost side of the nail sheet enters the slide way of the blade positioning plate 18, and the blade at the upper part of the slide way downwards presses the nail under the action of vertical external force, so that the nail penetrates through the horizontal base and is nailed on the paper guard plate below the horizontal base 11. The two paper corner protectors are synchronously bound by the assembly to complete the binding of 2 nails in one step.

Specifically, as shown in fig. 8, the slide extends to the top surface of the blade positioning plate to form an inlet opening 182, a positioning plate inlet opening 183 communicating with the guide channel is provided on the rear side wall of the blade positioning plate 18, and the width of the slide 181 is such that one nail is just accommodated by the width of one nail. The position of the horizontal base corresponding to the slide way is also provided with a through binding hole for the punched nail to pass through. The slide supplies the blade of punching press nail to carry out elevating movement. The blade positioning plate is simple in structure and convenient for quick installation and use of the blade.

Preferably, in this embodiment, the two paper corner protectors are of the same structure and are arranged in bilateral symmetry with the central line of the horizontal base as the symmetry axis; the blade positioning plates of the two paper corner protector binding assemblies are adjacent. In other embodiments, two paper corner protector binding assemblies with different structures can be adopted to work together.

In this embodiment, as shown in fig. 8, the blade holder 3 includes a horizontally disposed fixing plate 31 for connecting with the vertical driving mechanism and a blade 32 vertically disposed on the bottom surface of the fixing plate; specifically, the blade and the fixing plate are integrally formed, or welded, riveted and screwed.

The fixed plate 31 is directly or indirectly connected to a vertical drive mechanism. If the fixed plate is hinged with a transmission rod (or a transmission seat) through connecting rods symmetrically arranged on the left side and the right side, and the other end of the transmission rod (or the transmission seat) is hinged with a driving mechanism, the connection mode has certain flexibility; or, the fixing plate can also be directly welded with a connecting piece and is in transmission connection with the vertical driving mechanism through the connecting piece.

In this embodiment, for the sake of simplicity and integration, as shown in fig. 9, the fixing plates 31 of the two corner protector binding assemblies are connected to the same upper fixing base 10, and the top of the upper fixing base is in transmission connection with at least one vertical driving mechanism 9.

In order to provide larger power, two cylinders arranged in parallel are arranged on the upper fixing seat 10. In other embodiments, the fixing plates of the two paper corner protection binding assemblies can be respectively connected with the output shafts of different vertical driving mechanisms through different connecting pieces.

An elastic component for elastically connecting the blade fixing frame and the top wall of the guide channel 16 is arranged between the blade fixing frame and the top wall of the guide channel. The elastic component is used for buffering impact brought when the tool rest fixing frame is bound, and the phenomenon that nails cannot be bound normally due to damage caused by transition stamping is avoided.

In order to limit the position of the elastic component, the paper corner protection horizontal binding mechanism further comprises an elastic component positioning column 17 arranged on the top wall of the guide channel 16 and an elastic component 4 arranged on the elastic component positioning column; the bottom surface of the fixed plate 31 is provided with a limiting groove for limiting the upper end of the elastic component, and the center of the limiting groove is provided with a through hole 33 for the elastic component positioning column 17 to penetrate through.

In addition to the above, in order to further increase the staple accommodating amount of the binding box, the following arrangement is made:

as shown in fig. 8-11, the binding box 1 comprises a left guard plate 12 and a right guard plate 13 which are vertically arranged along the long edge of a horizontal base 11, and a nail containing box 14 which is arranged on the two guard plates and is used for containing a plurality of layers of nail sheets which are stacked up and down; the distance between the left guard plate and the right guard plate is the width of the nail sheet, and the two guard plates are matched with the position of the nail sheet falling from the nail box to limit the position of the nail sheet, so that the nail sheet can only move along the nail feeding direction.

The inner surfaces of the two side walls of the nail containing box are respectively flush with the two guard plates, the bottom surface of the nail containing box 14 is provided with an opening allowing nail sheets to fall out, and thus a plurality of nail sheets stacked up and down in the nail containing box can sequentially and smoothly fall between the two guard plates under the action of gravity. The nail sheet accommodating cavity 141 which just accommodates the nail sheet and only allows the nail sheet to vertically move up and down is arranged in the inner cavity of the nail accommodating box 14, namely the cross section shape of the inner cavity of the nail accommodating box is consistent with the shape of the transverse base plane of the nail sheet, and the cross section shape of the inner cavity of the nail accommodating box is slightly larger than the transverse base plane of the nail sheet, so that the nail sheet in the box cannot be inclined or inverted and the like, and the nail sheet is ensured to vertically fall down in a working posture.

The housing of the nail containing box 14 is provided with a loading port 143 for placing the nail sheet, in this embodiment, the loading port 143 is arranged on the top surface of the nail containing box, which has the advantages that: the nail sheets can be conveniently and quickly loaded, and the nail sheets in the box are not easy to fall out. In this embodiment, in order to facilitate the observation of the number of the nail sheets in the nail box, a visual window may be arranged on the side surface of the nail containing box. In other embodiments, the port 143 is located on the side of the magazine and a cap is provided at the port to prevent the staple from falling out.

In order to facilitate the follow-up cooperation with the nail pushing mechanism for pushing the nail sheet to move of the nail containing box, the bottom of the rear side face of the nail containing box is provided with a push plate inlet 142, and the push plate can freely enter and exit the push plate inlet during working. The bottom of the front side of the nail containing box is provided with a nail sheet outlet 144 with the same cross section as the nail sheet.

The two guard plates extending from the staple outlet end of the binding box to the center of the horizontal base are fixedly connected through a top plate 15 to form a part of a guide channel 16. In this embodiment, the top plate extends all the way to the blade locator piece, in other embodiments, the top plate may also be disposed a distance from the blade locator piece. Specifically, the left guard plate or the right guard plate is I-shaped or inverted L-shaped or other irregular shapes with the tops extending inwards, the left guard plate or the right guard plate is matched with the nail plate to limit the nail plate, the nail plate is prevented from moving left and right, and the nail plate can horizontally move in the nail feeding direction.

In the embodiment, the nail containing box is welded with the two guard plates; in other embodiments, the nail containing box and the two guard plates are in an integrally formed structure, bonded or detachably connected, such as clamped, inserted or screwed connection and the like, so that the nail containing box can be replaced or maintained.

Preferably, a sensor mounting notch 184 is arranged at the position, close to the front side wall, of the bottom of the left side wall or the right side wall of the nail containing box 14, and a position sensor is arranged at the sensor mounting notch. The sensor mounting notch 184 is for facilitating the installation of a position sensor, the probe of the position sensor faces the inner cavity of the nail containing box and is used for detecting whether a nail sheet is left in the nail containing box or not, and if the nail sheet is not detected, the position sensor transmits a signal to the controller, so that the controller controls the stapler to stop working or sends out an alarm for adding nails. In this embodiment, the position sensor is a proximity sensor.

In this embodiment, the staple pushing mechanism includes a pushing plate 21 for pushing against the lowermost staple sheet of the staple cassette, and a third horizontal driving mechanism 22 (i.e., 22A or 22B) which is drivingly connected to the pushing plate and drives the pushing plate to move horizontally. The third horizontal drive mechanism is configured to: after the pushing of the row of nail sheets is finished, the telescopic rod of the third horizontal driving mechanism retracts automatically. The arrangement ensures that the third horizontal driving mechanism automatically resets after a row of nail sheets are pushed and starts to push the other row of falling nail sheets.

The push plate is an inverted L-shaped, T-shaped, inverted U-shaped or rectangular body with an enlarged top surface. The front end of the push plate arranged in this way can push a row of nail sheets positioned at the bottom to move forwards, and in the moving process, the top surface of the push plate can support the nail sheets above, so that the position of the push plate is stable. Preferably, the length of the push plate is not shorter than the length of a single nail sheet, so that the push plate is arranged to play a more stable supporting effect on the nail sheet above. Preferably, the thickness of the pushing plate is equal to that of a single nail sheet, so that one row of nail sheets can be pushed at a time.

Preferably, the third horizontal driving mechanism and the vertical driving mechanism are air cylinders, linear motors or other mechanisms for driving linear motion. In this embodiment, the third horizontal driving mechanism and the vertical driving mechanism both use an air cylinder.

In this embodiment, the third horizontal driving mechanism is further provided with a corresponding sensor for controlling the stroke of the telescopic rod thereof, and optionally, the sensor is a magnetic switch. When the stroke of the telescopic rod reaches the maximum, the magnetic switch sends a signal to regulate and control the working state of the electromagnetic valve of the air cylinder, so that the telescopic rod retracts. In other embodiments, other sensors for controlling the stroke of the drive mechanism can be provided, which are adapted to the type of drive mechanism.

The third horizontal driving mechanism 22 is fixedly arranged at the rear end of the horizontal base far away from the staple box or on the outer side wall of the staple box, the left guard plate or the right guard plate.

The third horizontal driving mechanism is fixedly arranged at the rear end of the horizontal base far away from the nail box, and an output rod of the third horizontal driving mechanism is directly or indirectly connected with the push plate through a connecting rod; or the third horizontal driving mechanism is fixedly arranged on the side wall of the binding box, the left guard plate or the right guard plate, the tail end of an output rod of the third horizontal driving mechanism is vertically connected with a connecting plate, the connecting plate is connected with the push plate through a connecting rod, and the connecting rod is arranged in parallel with the output rod of the driving mechanism.

Preferably, in the paper corner guard horizontal binding mechanism, the third horizontal driving mechanisms 22 of the two paper corner guard binding assemblies are respectively positioned at different positions.

As shown in fig. 5, the third horizontal driving mechanism 22B on one side is disposed at the rear end of the horizontal base away from the magazine, and the third horizontal driving mechanism 22A on the other side is fixedly disposed on the outer side wall of the staple magazine. The volume of the paper corner guard horizontal binding mechanism can be effectively reduced, and the shorter end of the paper corner guard horizontal binding mechanism can be towards a slightly crowded inner space and the longer end of the mechanism can be towards a spacious outer space during installation, so that the equipment space can be effectively utilized.

Preferably, in order to reduce the friction force at the bottom of the push plate and reduce the energy loss, the following settings are carried out: as shown in fig. 10-11, a sliding block 5 is fixedly connected to the bottom of the pushing plate, a sliding rail is arranged on the horizontal base along the advancing direction of the nail sheet, and the sliding block 5 is connected with the sliding rail in a sliding manner; slide rail 6 sets up along horizontal base axis, and the width is less than the distance between the inside wall about the nail piece. The sliding rail arranged in this way is matched with the sliding block, so that the horizontal movement of the push plate is easier, and the arrangement of the sliding rail has no influence on the moving track of the nail sheet.

As shown in fig. 12, the working principle of automatic feeding of two paper corner guard binding assemblies of the paper corner guard horizontal binding mechanism B is as follows:

after the nail accommodating box is filled with the nails, the third horizontal driving mechanism 22 drives the push plate 21 to horizontally move rightwards, the front end of the push plate 21 pushes a row of nails 8 at the bottommost part in the nail accommodating box to move rightwards to enable the nails at the outermost end to enter the slide way of the blade positioning plate 18, at the moment, the blade 32 at the upper part of the slide way downwards punches the nails under the vertical action of the vertical driving mechanism, so that the nails penetrate through the horizontal base and are nailed on the paper guard plate below the horizontal base 11 to finish primary binding, and then the vertical driving mechanism drives the blade 32 to ascend to the initial position; then, the binding process is repeated continuously, and in the process, the top surface of the push plate supports the nail sheets overlapped above the nail containing box, so that the positions of the nail sheets are stable; when the row of the nail sheets at the bottom is used up, the telescopic rod of the third horizontal driving mechanism 22 reaches the preset maximum stroke, the third horizontal driving mechanism automatically drives the push plate to move leftwards and return to the initial position, and meanwhile, the nail sheets 8 above the push plate fall to the bottom under the action of gravity, and automatic nail feeding of the nail sheets is completed. According to the flow, the paper corner protection binding assembly does not stop working until all the nail sheets in the nail containing box are used up.

Automatic lateral paper corner protector binding mechanism C

A corner protector side mounted automatic binding mechanism as shown in fig. 13-15 is adapted to be mounted on a side of a frame J and operative to bind a corner protector side mount Z1 disposed on the frame.

In this embodiment, the automatic lateral paper corner protector binding mechanism comprises an automatic lateral paper corner protector binding assembly arranged on the side surface of the rack J, a positioning frame C02, a horizontal link C06 and a second horizontal driving mechanism C07 in transmission connection with the horizontal link.

The lateral paper corner protector automatic binding assembly comprises a longitudinal base C11 connected to the side face of the machine frame, a binding box C1 vertically arranged on the longitudinal base and used for containing a plurality of groups of transversely overlapped nail sheets, a guide channel C16 extending out of the side face of the binding box in the nail outlet direction, a blade positioning plate C18 vertically arranged at the tail end of the guide channel, a nail pushing mechanism C2 arranged in parallel along the longitudinal base and used for pushing the bottommost nail sheet C8 in the binding box to longitudinally move towards the blade positioning plate direction, a blade fixing frame C3 used for being driven by external force to transversely bind, and a feeding mechanism C08 arranged through the outer side of the binding box and used for pushing the nail sheets in the binding box inwards. The blade fixing frame C3 is provided with a blade C32 for punching nails in the longitudinal direction, the blade is connected with a slide way C181 arranged in the blade positioning plate in a penetrating way in a sliding way, and the inner cavity of the slide way is communicated with the tail end of the guide channel.

The top surface of the blade positioning plate extended to the slide way forms an inlet knife edge C182, the rear side wall of the blade positioning plate C18 is provided with a positioning plate nail inlet C183 communicated with the guide channel, and the width of the slide way C181 is equal to the width of one nail and just accommodates one nail. The base also sets up the binding hole that runs through corresponding the position of slide, supplies the nail of being punched to pass through. The slide supplies the blade of punching press nail to bind the motion. The blade positioning plate is simple in structure and convenient for quick installation and use of the blade.

As shown in fig. 14-15, the knife rest fixing frame C3 is connected with the upper end of the positioning frame C02, the middle part of the positioning frame is in transmission connection with the second horizontal driving mechanism, and the lower part of the positioning frame is hinged with the longitudinal base. The positioning frame is fixedly connected with a horizontal connecting rod C06, and the other end of the horizontal connecting rod is fixedly connected with a telescopic rod of a second horizontal driving mechanism C07. In operation, the second horizontal driving mechanism C07 pulls the blade C32 on the positioning frame to punch a nail right along the slideway, so that the nail penetrates the longitudinal base and is driven into the cardboard binding position on the right side of the longitudinal base C11.

The blade fixing frame C3 comprises a horizontally arranged fixing plate C31 used for connecting with the vertical driving mechanism and a blade C32 vertically arranged on the bottom surface of the fixing plate. Specifically, the blade and the fixing plate are integrally formed, or welded, riveted and screwed.

An elastic component C4 for elastically connecting the blade fixing frame and the top wall of the guide channel C16 is arranged between the blade fixing frame and the top wall of the guide channel C16. In order to limit the position of the elastic component, the paper corner protection horizontal binding mechanism further comprises an elastic component positioning column C17 arranged on the top wall of the guide channel C16, and an elastic component C4 arranged on the elastic component positioning column; the bottom surface of the fixed plate C31 is provided with a limiting groove for limiting the upper end of the elastic component, and the center of the limiting groove is provided with a through hole C33 for penetrating through an elastic component positioning column C17.

Under the action of the horizontal tension of the second horizontal driving mechanism C07, the upper end of the positioning frame C02 rotates and drives the blade on the knife rest fixing frame C3 to squeeze the nail in the blade positioning plate C18, so that the nail is driven into the mounting position Z1 of the paper corner protector, and the binding of the side face of the paper corner protector is completed.

In the present embodiment, the structure of the binding cassette 1 is similar to that of the aforementioned binding cassette: comprises a left guard plate C12 and a right guard plate C13 which are vertically arranged along the long edge of a longitudinal base, and a nail containing box C14 which is arranged on the two guard plates and is used for containing a plurality of layers of nail sheets which are stacked up and down. The distance between the left guard plate and the right guard plate is the width of the nail sheet, and the two guard plates are matched with the position of the nail sheet falling from the nail box to limit the position of the nail sheet, so that the nail sheet can only move along the nail feeding direction.

The inner surfaces of the two side walls of the nail containing box are respectively flush with the two guard plates, and the bottom surface of the nail containing box C14 is provided with an opening for allowing nail sheets to fall out. The cross section shape of the inner cavity of the nail containing box is consistent with the shape of the transverse cross base surface of the nail sheet, and the cross section shape of the inner cavity of the nail containing box is slightly larger than the transverse base surface of the nail sheet, so that the nail sheet in the box cannot be inclined or inverted and the like, and the nail sheet is ensured to vertically fall in a working posture under the action of external force.

The housing of the nail containing box C14 is provided with a loading opening C143 for placing the nail sheet, in this embodiment, the loading opening C143 is arranged on the top surface of the nail containing box. The bottom of the rear side surface of the nail containing box is provided with a push plate inlet C142, and the push plate can freely enter and exit the push plate inlet during working. The bottom of the front side surface of the nail containing box is provided with a nail sheet outlet C144 consistent with the cross section of the nail sheet.

The two guard plates extending from the nail outlet end of the binding box to the center of the longitudinal base are fixedly connected through a top plate C15 to form a part of a guide channel C16, and the two guard plates are matched to limit the nail sheet, so that the nail sheet is prevented from moving left and right, and the nail sheet can horizontally move in the nail inlet direction. In the embodiment, the nail containing box is welded with the two guard plates; in other embodiments, the nail containing box and the two guard plates are in an integrally formed structure, bonded or detachably connected, such as clamped, inserted or screwed connection and the like, so that the nail containing box can be replaced or maintained.

Preferably, a sensor mounting notch C184 is also arranged at the position, close to the front side wall, of the bottom of the left side wall or the right side wall of the nail containing box C14, and a position sensor is arranged at the sensor mounting notch, which has the same function as above.

In this embodiment, the staple pushing mechanism C2 includes: a push plate C21 for supporting the bottom nail sheet of the binding box, and a first lifting driving mechanism C22 connected with the push plate and driving the push plate to move longitudinally, wherein the push plate pushes the nail sheet 8 to move along the guide channel to the blade positioning plate under the driving of the first lifting driving mechanism. The nail pushing mechanism is arranged as follows: after the pushing of a row of nail sheets is finished, the telescopic rod of the mechanism retracts automatically. The arrangement ensures that the nail pushing mechanism automatically resets after pushing one row of nail sheets and starts to push the other row of nail sheets which fall down.

The push plate is an inverted L-shaped, T-shaped, inverted U-shaped or rectangular body with an enlarged top surface. In the view of fig. 15, the front end of the push plate arranged in this way can push the row of nail sheets positioned at the lowest part to move forwards, and during the moving process, the top surface of the push plate can support the nail sheets above so as to stabilize the position of the nail sheets. Preferably, the length of the push plate is not shorter than the length of a single nail sheet, so that the push plate is arranged to play a more stable supporting effect on the nail sheet above. Preferably, the thickness of the pushing plate is equal to that of a single nail sheet, so that one row of nail sheets can be pushed at a time.

Preferably, in order to reduce the friction force at the bottom of the push plate and reduce the energy loss, the following settings are carried out: as shown in fig. 15, a slide block C5 is fixedly connected to the bottom of the pushing plate, a slide rail is arranged on the longitudinal base along the traveling direction of the nail plate, and the slide block C5 is connected with the slide rail C6 in a sliding manner. The slide rail sets up along vertical base axis, and the width is less than the distance between the inside wall about the nail piece. The sliding rail arranged in this way is matched with the sliding block, so that the horizontal movement of the push plate is easier, and the arrangement of the sliding rail has no influence on the moving track of the nail sheet.

In this embodiment, as shown in fig. 14, the feeding mechanism C08 includes: the nail plate horizontal driving mechanism comprises a cross bar C081 parallel to the side wall of the binding box, wherein the inner end of the cross bar C081 penetrates into the binding box, a pressing part C082 arranged at the inner end of the cross bar and a connecting part C083 arranged at the outer end of the cross bar, the pressing part is parallel to the maximum surface of the nail plate, and the connecting part is also connected with a telescopic rod C084 of the first horizontal driving mechanism.

Specifically, the telescopic rod of the first horizontal driving mechanism C080 is arranged parallel to the cross rod, and the first horizontal driving mechanism is fixed on the binding box shell. The arrangement structure is more compact, and the space utilization is more reasonable. In other embodiments, the first horizontal driving mechanism can be fixed on the longitudinal base in other manners to realize the functions of the first horizontal driving mechanism.

In this embodiment, the driving mechanisms such as the first horizontal driving mechanism, the feeding mechanism, and the first lifting driving mechanism are cylinders, linear motors, or other mechanisms for driving linear motion. In this embodiment, the above mechanisms are all cylinders.

Preferably, on the basis, in order to further improve the binding efficiency, the binding of the two side surfaces of the paper corner protector in the positioning mode is completed through one operation, the lifting function is added to the automatic lateral binding mechanism of the paper corner protector, accurate binding of two positions of the side surface of the same paper corner protector can be achieved twice through automatic lifting, the operation is simple, and the positioning is accurate. The specific scheme is as follows:

as shown in fig. 13, the automatic lateral paper corner protector binding mechanism further includes a position lifting mechanism for lifting the position of the automatic lateral paper corner protector binding assembly, the position lifting mechanism includes a lifting cross bar C03 fixedly connected to the longitudinal base, at least one first slider C04 is disposed on the lifting cross bar, a first longitudinal slide rail C05 is disposed on the side wall of the rack, the first slider is slidably connected to the first longitudinal slide rail, and the lifting cross bar is in transmission connection with a second lifting driving mechanism C09.

In this embodiment, a horizontal link C06 is fixedly connected to the positioning frame C02, and the other end of the horizontal link is hinged to a telescopic rod C071 of the second horizontal driving mechanism C07. Based on the arrangement of embodiment 1, the knife rest fixing frame C3 of this embodiment is also connected with the upper end of a positioning frame C02, the middle part of the positioning frame is in transmission connection with a second horizontal driving mechanism, and the lower part of the positioning frame C02 is hinged with the longitudinal base.

When the lateral paper corner protector automatic binding machine works, after the lateral paper corner protector automatic binding machine finishes one-time binding of a lower binding position of the side face of the paper corner protector, the second lifting driving mechanism C09 drives the lifting cross rod C03 and drives the longitudinal base of the connected lateral paper corner protector automatic binding machine to lift upwards for a certain distance, the second horizontal driving mechanism C07 transversely applies external force to the upper end of the positioning frame connected with the horizontal connecting rod C06 rightwards through the telescopic rod C071, the upper end of the positioning frame C02 rotates and drives the blade on the tool rest fixing frame C3 to extrude the nail in the blade positioning plate C18, the nail penetrates through the longitudinal base and is nailed into the paper guard plate binding position on the right side of the longitudinal base C11, and therefore binding of the upper binding position of the side face of the paper corner protector is finished.

Specifically, the first sliders C04 are respectively disposed at only end portions of both ends of the lifting rail, and the lifting driving mechanism is disposed below the horizontal rail. The output shaft or the telescopic rod of the second lifting driving mechanism is fixedly connected with the bottom surface of the lifting cross rod. In other embodiments, the lifting cross bar can also be deformed into a lifting platform, and the side surface of the lifting platform is in sliding connection with the corresponding side surface of the rack. The second lifting driving mechanism C09 is fixed on the inner wall of the frame and is a lifting cylinder or a lifting motor.

The working principle of automatic nail feeding of the lateral paper corner protector binding assembly is as follows:

after the binding box is filled with the nail sheets, the tail end of the feeding mechanism C08 butts against the outermost nails in the binding box, so that the nail sheets in the box are closely arranged, the nail sheets can be prevented from moving or sliding off, and a new row of nail sheets can be pushed inwards after the innermost nails in the box are used up, so that the automatic feeding of the nail sheets is realized.

When the nail pushing mechanism C2 works, the pushing plate C21 is driven to move upwards, and the front end of the pushing plate C21 pushes a row of nail sheets 8 positioned at the innermost part in the binding box to move upwards to the nails at the outermost end to enter the slide way of the blade positioning plate C18; at this time, the blade C32 in the slideway pushes the nail to the right under the action of the transverse pulling force of the second horizontal driving mechanism C07, so that the nail penetrates through the base and is driven into the binding position of the paper protection board on the right side of the longitudinal base C11, and one binding is completed; then, the second horizontal driving mechanism C07 drives the blade C32 to return to the initial position; then, the binding process is repeated continuously, and in the process, the side surface of the push plate supports a plurality of nail sheets which are overlapped on the outer side in the binding box, so that the positions of the nail sheets are stable; when the innermost row of the nail sheets is used up, the telescopic rod of the nail pushing mechanism C2 reaches the preset maximum stroke, the push plate is automatically driven to move downwards to return to the initial position, and meanwhile, the nail sheets 8 on the outer side of the binding box are fed rightwards under the action of the rightwards thrust of the feeding mechanism C08, and the automatic nail feeding of the nail sheets is completed. And repeating the process until all the nail sheets in the nail containing box are used up, and stopping the paper corner protection binding assembly.

Auxiliary positioning device for paper corner protector

Before binding, in order to enable the frame-shaped paper corner protector with unfixed shape to be processed to be closely attached on the paper corner protector positioning table, the following paper corner protector auxiliary positioning device is arranged for facilitating subsequent accurate binding:

as shown in fig. 16 and 17, a first paper corner protector auxiliary positioning device D is arranged obliquely above one side of the paper corner protector positioning table, and comprises at least two auxiliary cylinders D1 fixed on the frame and positioned on the same horizontal line and an auxiliary positioning plate D2 driven by the auxiliary cylinders to be attached to the upper edge of the paper corner protector positioning table, wherein the auxiliary positioning plate is arranged parallel to the edge of the paper corner protector positioning table a; the side surfaces of the auxiliary positioning plates are fixedly connected with the telescopic rods of the auxiliary cylinders respectively; the telescopic rod of the auxiliary cylinder is obliquely arranged. When the paper corner protector processing device works, all the auxiliary cylinders work together to push the auxiliary positioning plate D2 to extrude the upper edge of the paper corner protector positioning table, so that all the side surfaces of the paper corner protector to be processed, which is arranged on the paper corner protector positioning table, abut against the positioning table; each first paper angle bead auxiliary positioning device is fixed a position the different sides of paper angle bead from different sides to make the whole accurate positioning of paper angle bead at paper angle bead location bench, each subsequent binding mechanism of being convenient for carries out accurate binding to corresponding position.

Because in traditional book-binding machine, the location of above-mentioned paper angle bead is the manual operation, consequently not only work efficiency is low, and the location is not accurate to the cost of labor is high. Above-mentioned first paper angle bead auxiliary positioning device's setting has improved the degree of automation of this device, has also further improved work efficiency.

The paper corner protector positioning table has four side surfaces, and the first paper corner protector auxiliary positioning devices D are at most four.

Preferably, the auxiliary positioning plate is L-shaped in cross section. The auxiliary positioning plate of L shape can fix a position the top surface and the side of paper angle bead simultaneously, and the location effect is better. In other embodiments, the auxiliary positioning plate may have other shapes.

In this embodiment, since the operator needs to operate the paper corner protector positioning table at the front side, the number of the first paper corner protector auxiliary positioning devices D is three, and the three first paper corner protector auxiliary positioning devices D correspond to the vicinities of the left side, the right side, and the rear side of the paper corner protector positioning table, respectively.

In order to make up for the positioning deficiency of the front side surface of the paper corner protector, at least one second paper corner protector auxiliary positioning device F is arranged in parallel on the front side surface of the paper corner protector positioning table.

As shown in fig. 3, two second paper corner protectors are symmetrically arranged along the outer side surface (i.e. the front side surface) of the paper corner protector positioning table, and in other embodiments, one second paper corner protector auxiliary positioning device is arranged in the middle of the front side surface of the paper corner protector positioning table.

Specifically, the second paper corner protector auxiliary positioning device comprises a side positioning plate F1 arranged in parallel on the outer side surface (i.e. the front side surface) of the paper corner protector positioning table and a side positioning cylinder F2 connected with the side positioning plate. In this embodiment, the side positioning cylinder is located below the paper corner protector positioning table. During working, the telescopic rod of the cylinder drives the side positioning plate to retract inwards, and the side positioning plate extrudes and attaches the front side surface of the paper corner protector to the corresponding side surface of the paper corner protector positioning table.

Preferably, the position of the second paper corner protector auxiliary positioning device F corresponds to the splicing position of the head and the tail of the paper corner protector, so that the head and the tail of the paper corner protector can be kept at the splicing position in the binding process, the head and the tail cannot deviate, and the binding quality of the paper corner protector is improved.

Paper angle bead ejection mechanism

As shown in fig. 16 and 17, after the paper corner protector is bound, the formed paper corner protector is sleeved on the paper corner protector positioning table, and a large friction force exists between the inner walls of the paper corner protector and the paper corner protector, so that manual taking of the paper corner protector is time-consuming and labor-consuming, and the paper corner protector is easily damaged due to improper force.

For more convenient and easy taking out of the paper corner protectors completing the binding, the following settings are carried out:

the automatic paper angle bead binding device further comprises a paper angle bead ejection mechanism E which is fixed below the side of the paper angle bead positioning table and used for vertically ejecting the paper angle bead to enable the paper angle bead to be separated from the paper angle bead positioning table, and the paper angle bead ejection mechanism comprises an ejection cylinder E1 fixed on the machine frame and an ejection block E2 connected above the ejection cylinder.

The telescopic rod of the ejection cylinder E1 is longitudinally arranged and parallel to the positioning side face of the adjacent paper corner protector, and the top face of the top block E2 is parallel to the bottom face of the paper corner protector.

The paper angle bead ejection mechanisms E are at least arranged on two opposite side surfaces of the paper angle bead positioning table. The symmetrically arranged paper angle bead ejection mechanisms jack up the bottom surfaces of the two sides of the paper angle bead upwards to enable the paper angle bead to slowly separate from the paper angle bead positioning table, and at the moment, an operator can easily take away the bound paper angle bead.

Preferably, the paper corner protector ejection mechanisms are arranged at corresponding positions on the left side, the right side and the rear side of the paper corner protector positioning table, or can also be arranged at corresponding positions on four sides of the paper corner protector positioning table.

The whole working process of the automatic paper corner protector binding device of the invention is as follows:

as shown in fig. 18, before operation, the paper corner protectors Z to be processed are now mounted on the paper corner protector positioning table a; then, the first paper corner protector auxiliary positioning devices on the periphery prop against the side edges of the paper corner protector from the upper side, and meanwhile, the second paper corner protector auxiliary positioning devices press the paper corner protector positioning table from the front side to the head-tail connection position of the paper corner protector, so that the accurate positioning of the paper corner protector is completed; then, the five paper angle bead horizontal binding mechanisms bind all the binding positions on the top surface of the paper angle bead at the same time, and the paper angle bead lateral binding mechanism binds the head-tail connection positions on the side surfaces of the paper angle bead, so that all the binding of the paper angle bead is completed; and finally, simultaneously jacking the paper angle bead from the paper angle bead positioning table by each paper angle bead ejection mechanism, and taking out the paper angle bead which is bound by an operator so as to complete all binding of 1 frame-shaped paper angle bead.

The automatic paper corner protector binding device is also provided with a controller, and the controller is in control connection with all driving mechanisms (such as air cylinders) in the device; preferably, the controller is provided with an operation panel K, the automatic paper corner protector binding device can be set to an automatic mode and a manual mode through the operation panel, and in the automatic mode, the paper corner protector is subjected to full-automatic binding operation according to the flow; in the manual mode, a certain binding mechanism or certain binding mechanisms can be selected to bind a certain position or certain specific positions of the paper corner protectors independently by performing specific operation on the operation panel, so that the operation is more flexible, and different binding requirements can be met.

Above-mentioned automatic paper angle bead binding means's structure sets up exquisitely, and not only the operation is convenient, can one step realize the binding to all dress positions of paper angle bead to the location is accurate, takes out the facility, and degree of automation is high, has greatly improved the work efficiency of paper angle bead, has fine market perspective.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. It should be understood that the technical solutions and concepts of the present invention may be equally replaced or changed by those skilled in the art, and all such changes or substitutions should fall within the protection scope of the appended claims.

Claims

1. An automatic paper angle bead binding device is characterized by comprising a paper angle bead positioning table, a plurality of paper angle bead horizontal binding mechanisms and at least one group of paper angle bead lateral binding mechanisms, wherein the paper angle bead positioning table is horizontally arranged on a rack and is consistent with the shape of a formed paper angle bead, the plurality of paper angle bead horizontal binding mechanisms are arranged above the binding part of the paper angle bead positioning table and are positioned on the same horizontal plane, and the at least one group of paper angle bead lateral binding mechanisms are arranged on the side surface of the paper angle bead mounting positioning table and are used for binding the side surface of the position where the paper angle beads are overlapped end to end;

2. The automated corner paper corner protector binding apparatus of claim 1, wherein the corner paper corner protector mounting and positioning table is of a rectangular configuration; the paper corner protector vertical mounting mechanism comprises 5 paper corner protector vertical mounting mechanisms which are respectively arranged above four corner mounting positions of the paper corner protector mounting and positioning table and horizontal mounting positions at the overlapping positions of the head and the tail of the paper corner protector; the paper angle bead lateral binding mechanism is correspondingly arranged on the outer side of the lateral binding position at the overlapping position of the head and the tail of the paper angle bead.

3. The automated paper corner protector binding apparatus of claim 2, wherein the paper corner protector binding assembly comprises a binding box for mounting a nail, a guide channel extending from the binding box to the center of the base, a blade positioning plate vertically arranged at the end of the guide channel, a nail pushing mechanism horizontally arranged along the base for pushing the nail to move towards the blade positioning plate, and a blade holder for being driven by an external force to perform a binding motion perpendicular to the surface of the paper corner protector positioning table, wherein a longitudinal blade is arranged on the blade holder, the blade is slidably connected with a slide rail longitudinally penetrating the blade positioning plate, and an inner cavity of the slide rail is communicated with the guide channel.

4. The automated paper corner guard binding apparatus of claim 2, wherein the staple pushing mechanism comprises: the push plate is used for abutting against the side face of the nail sheet at the bottommost part of the binding box, the first lifting driving mechanism is connected with the push plate and drives the push plate to move towards the direction of the blade positioning plate, and the push plate drives the nail sheet to move towards the direction of the blade positioning plate along the guide channel under the driving of the first lifting driving mechanism.

5. The automated corner paper corner guard binding apparatus of any one of claims 1-4, wherein the corner paper corner guard lateral automated binding mechanism further comprises a feed mechanism disposed through an outside of the binding cassette for advancing the staple sheets in the binding cassette inwardly.

6. The automated paper corner protector binding apparatus of claim 5, further comprising a first paper corner protector auxiliary positioning device disposed obliquely above a side surface of the paper corner protector positioning table, wherein the first paper corner protector auxiliary positioning device comprises at least two auxiliary cylinders located on the same horizontal line and fixed on the frame, and an auxiliary positioning plate driven by the auxiliary cylinders to be attached to an upper edge of the paper corner protector positioning table, the auxiliary positioning plate being disposed parallel to the edge of the paper corner protector positioning table; the side surfaces of the auxiliary positioning plates are fixedly connected with the telescopic rods of the auxiliary cylinders respectively; the telescopic rod of the auxiliary cylinder is obliquely arranged.

7. The automated paper corner protector binding apparatus of claim 6, further comprising a second paper corner protector auxiliary positioning device disposed parallel to a side of the paper corner protector positioning table, the second paper corner protector auxiliary positioning device comprising a side positioning plate disposed parallel to an outer side of the paper corner protector positioning table and a side positioning cylinder connected to the side positioning plate.

8. The automated paper corner protector binding apparatus of claim 1, 6 or 7, further comprising a paper corner protector ejection mechanism fixed below the side of the paper corner protector positioning table for vertically ejecting a paper corner protector out of the paper corner protector positioning table, the paper corner protector ejection mechanism comprising an ejection cylinder fixed to the frame and an ejector block connected above the ejection cylinder; the paper angle bead ejection mechanisms are at least arranged on two opposite side surfaces of the paper angle bead positioning table.

9. The automated paper corner protector binding device of claim 3 or 4, wherein the binding box comprises a left guard plate and a right guard plate vertically arranged along the long edge of the base, and a nail containing box arranged on the two guard plates and used for containing a plurality of layers of nail sheets which are stacked up and down; the distance between the left guard plate and the right guard plate is the width of the nail sheet; the inner surfaces of the two side walls of the nail containing box are respectively flush with the two guard plates, and a nail sheet containing cavity only used for vertically moving the nail sheet is arranged in the nail containing box; the bottom surface of the nail containing box is provided with an opening for allowing the nail sheet to fall out; a loading port for placing a nail sheet is formed in the shell of the nail containing box, a push plate inlet is formed in the bottom of the rear side face of the nail containing box, and a nail sheet outlet consistent with the cross section of the nail sheet is formed in the bottom of the front side face of the nail containing box; an elastic part is arranged between the blade fixing frame and the top wall of the guide channel.

10. The automated paper corner protector binding apparatus of claim 3, wherein the tool holder mounting bracket is fixedly connected to an upper end of a positioning bracket, a middle portion of the positioning bracket is in transmission connection with a second horizontal driving mechanism, and a lower portion of the positioning bracket is hinged to the base; the automatic paper angle bead binding device further comprises a position lifting mechanism used for lifting the position of the automatic lateral paper angle bead binding assembly, the position lifting mechanism comprises a lifting cross rod fixedly connected with the base, at least one first sliding block is arranged on the lifting cross rod, a first longitudinal sliding rail is arranged on the side wall of the rack, the first sliding block is connected to the first longitudinal sliding rail in a sliding mode, and the lifting cross rod is in transmission connection with a second lifting driving mechanism.