CN219236588U - Wire feeding mechanism for three-hole wire binding machine - Google Patents

Abstract

The utility model discloses a wire feeding mechanism for a three-hole wire binding machine, which comprises binding wires, a wire tensioning wheel, a second connecting plate, a wire bearing mechanism, an opening and clamping mechanism and a wire pulling mechanism; the wire tensioning wheel is arranged at the left end of the bottom plate, the wire tensioning mechanism is arranged at the right end of the bottom plate, and the second connecting plate is connected with the bottom plate and is positioned above the bottom plate; the wire pulling mechanism comprises a wire pulling chuck and a chuck driving mechanism for driving the wire pulling chuck to linearly move; the line bearing mechanism is connected to the second connecting plate; the opening and clamping mechanism is used for opening the stay wire clamping head; one clamping opening mechanism is positioned on the right side of the wire supporting mechanism, the other clamping opening mechanism is positioned on the left side of the wire pulling mechanism, the clamping opening mechanism is connected to the bottom plate, and the top end of the clamping opening mechanism passes through the first through groove on the second connecting plate; the binding thread sequentially passes through the thread tensioning wheel and the thread supporting mechanism. The wire feeding mechanism for the three-hole wire binding machine adopts an automatic wire feeding mode to replace a manual wire feeding mode, reduces partial workload of staff and improves the overall working efficiency.

Description

Wire feeding mechanism for three-hole wire binding machine

Technical Field

The utility model relates to the technical field of file binding, in particular to a wire feeding mechanism for a three-hole wire binding machine.

Background

With the rapid development of social economy, more files are required to be bound by some enterprises and institutions. The traditional file binding adopts a manual line binding method, wherein three binding holes 11 are punched on the file by using a line cone, then the binding lines 11 are hooked by using a crochet hook to pass through the binding Kong Zhuge, and finally the binding is manually knotted. The method increases the labor intensity of workers and has low working efficiency. In order to relieve the hands of the staff, lighten the work load of the staff for binding files and improve the work efficiency, the file binding machine is a new one, and the file binding machine is mainly an intelligent device for binding files, files and the like. However, part of the existing three-hole line binding machine is manually fed to the position right below the binding holes of the files, and the process increases part of the workload of workers, so that the overall working efficiency is low.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the wire feeding mechanism for the three-hole wire binding machine, which adopts an automatic wire feeding mode instead of a manual wire feeding mode, reduces part of workload of staff and improves the whole working efficiency.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

the wire feeding mechanism for the three-hole wire binding machine comprises a wire feeding mechanism, wherein the wire feeding mechanism comprises binding wires, a wire tensioning wheel, a second connecting plate, a wire bearing mechanism, a clamping opening mechanism and a wire pulling mechanism;

the wire tensioning wheel is arranged at the left end of the bottom plate, the wire pulling mechanism is arranged at the right end of the bottom plate, the second connecting plate is connected with the bottom plate and is positioned above the bottom plate, and the second connecting plate is positioned between the wire tensioning wheel and the wire pulling mechanism;

the wire pulling mechanism comprises a wire pulling chuck and a chuck driving mechanism for driving the wire pulling chuck to linearly move;

the line bearing mechanism is connected to a second connecting plate, and a first through groove for allowing the clip opening mechanism to pass through is formed in the second connecting plate;

the two clamping opening mechanisms are used for enabling the stay wire clamping heads to be opened; one opening and clamping mechanism is positioned on the right side of the wire supporting mechanism, the other opening and clamping mechanism is positioned on the left side of the wire pulling mechanism, the opening and clamping mechanism is connected to the bottom plate, and the top end of the opening and clamping mechanism passes through the first through groove on the second connecting plate;

the binding wire is wound on the reel, and sequentially passes through the wire tensioning wheel and the wire bearing mechanism.

As a further improved technical scheme of the utility model, a chuck driving mechanism in the wire pulling mechanism comprises a wire pulling rack, a wire pulling motor and a wire pulling gear, wherein the wire pulling motor is fixedly connected to a bottom plate through a wire pulling seat body, a wire pulling through groove for accommodating the wire pulling rack is formed in the wire pulling seat body, the wire pulling rack is positioned in the wire pulling through groove and can slide in the wire pulling through groove, the output shaft of the wire pulling motor is connected with the wire pulling gear, the wire pulling gear is meshed with the wire pulling rack, and one end of the wire pulling rack is connected with the wire pulling chuck; the wire pulling clamp comprises a wire pulling upper clamp and a wire pulling lower clamp, the wire pulling lower clamp is fixedly connected with one end of a wire pulling rack, the wire pulling upper clamp is rotationally connected with the wire pulling lower clamp through a wire pulling pin, a wire pulling pressure spring is arranged between the wire pulling upper clamp and the wire pulling lower clamp, and the wire pulling pressure spring is in close contact with the wire pulling upper clamp and the wire pulling lower clamp when in a natural state;

the stay wire motor is used for driving the stay wire gear to rotate, and the stay wire gear drives the stay wire rack and the stay wire clamping head to move horizontally and linearly.

According to the technical scheme, the line bearing mechanism comprises a line bearing connecting block, a line bearing sleeve, a line bearing pipe and a line bearing pressure spring, the line bearing sleeve is fixedly connected to the outer portion of the line bearing pipe, the line bearing connecting block is sleeved on the outer portion of the line bearing sleeve, the line bearing sleeve is in sliding elastic connection with the line bearing connecting block through the line bearing pressure spring, the line bearing retainer ring is connected to the outer surface of the line bearing sleeve, in a natural state of the line bearing pressure spring, the line bearing retainer ring is in contact with the left end of the line bearing connecting block, the line bearing connecting block is fixedly connected with the second connecting plate, and binding lines penetrate through the line bearing pipe.

According to the technical scheme, the clamping opening mechanism comprises a clamping opening seat, a clamping opening pin and clamping opening blocks, the clamping opening seat is connected to a bottom plate, the clamping opening seat is rotationally connected with the clamping opening blocks through the clamping opening pin, clamping opening stop blocks for preventing the clamping opening blocks from rotating leftwards are arranged on the clamping opening seat, the clamping opening stop blocks are located above the clamping opening pin, square grooves penetrating through the left end and the right end of the clamping opening blocks are formed in the top positions of the clamping opening blocks, two gradient blocks are arranged at the top ends of the clamping opening blocks and located on two sides of the square grooves, the upper surfaces of the gradient blocks are composed of gradient surfaces and horizontal surfaces, and the distance between the gradient blocks is smaller than the width of the square grooves.

As a further improved technical scheme of the utility model, the wire feeding mechanism further comprises a crochet hook positioning mechanism and a wiring mechanism;

the second connecting plate is provided with a second through groove for enabling the crochet hook positioning mechanism to pass through and a strip-shaped chute for enabling the wiring column to pass through and linearly move;

the three crochet hook positioning mechanisms are positioned on the same straight line and are respectively connected to the bottom plate, and the top ends of the crochet hook positioning mechanisms penetrate through the second through grooves on the second connecting plate;

The wiring mechanism comprises a wiring driving mechanism, a wiring connecting plate and wiring columns, the wiring driving mechanism is connected to the bottom plate, a plurality of wiring columns are fixedly connected to the wiring connecting plate, the wiring connecting plate is located below the second connecting plate, the top ends of the wiring columns penetrate through a strip-shaped sliding groove on the second connecting plate, the wiring driving mechanism is connected with the wiring connecting plate and used for driving the wiring connecting plate to linearly move so as to drive the wiring columns to linearly move along the strip-shaped sliding groove, the wiring columns are arranged on the left side and the right side of the three crochet hook positioning mechanisms, the initial positions of the wiring columns are located on the front side of the line bearing mechanism, and the positions of the crochet hook positioning mechanisms are located on the rear side of the line bearing mechanism.

As a further improved technical scheme of the utility model, a wiring driving mechanism in the wiring mechanism comprises a wiring motor, a wiring gear, a wiring rack, a wiring guide rail and a wiring pressing plate, wherein the wiring motor is fixedly connected to the bottom plate, an output shaft of the wiring motor is connected with the wiring gear, the wiring gear is meshed with the wiring rack, the wiring rack and the wiring pressing plate are fixedly connected to a wiring connecting plate, the wiring guide rail is embedded between the wiring rack and the wiring pressing plate, the wiring guide rail is fixedly connected to the bottom plate, and the wiring guide rail can slide between the wiring rack and the wiring pressing plate;

The wiring motor is used for driving the wiring gear to rotate, the wiring gear drives the wiring rack to linearly move along the wiring guide rail, and the wiring rack drives the wiring connecting plate to linearly move so as to drive the plurality of wiring posts to linearly move along the strip-shaped sliding grooves on the second connecting plate.

As a further improved technical scheme of the utility model, the crochet hook positioning mechanism comprises a positioning pin, an upper positioning sleeve, a positioning gasket, a positioning seat body, a lower positioning sleeve and an outer positioning gasket, wherein the positioning seat body is fixedly connected with a bottom plate, a positioning through hole is formed in the positioning seat body, the top end of the positioning through hole is fixedly connected with the upper positioning sleeve, the bottom end of the positioning through hole is fixedly connected with the lower positioning sleeve, the positioning pin sequentially penetrates through the inner hole of the upper positioning sleeve, the positioning through hole of the positioning seat body and the inner hole of the lower positioning sleeve, the positioning pin can slide in the inner hole of the upper positioning sleeve, the positioning through hole of the positioning seat body and the inner hole of the lower positioning sleeve, the bottom of the positioning pin is connected with the outer positioning gasket, the outer positioning gasket is positioned below the lower positioning sleeve, the middle part of the positioning pin is fixedly connected with the positioning gasket, the positioning gasket is elastically connected with the lower positioning sleeve, and the positioning gasket is positioned in the positioning through hole of the positioning seat body.

As a further improved technical scheme of the utility model, the positioning gasket is elastically connected with the lower positioning sleeve through the positioning pressure spring, the positioning pressure spring is sleeved outside the positioning pin, the top end of the positioning pressure spring is connected with the positioning gasket, and the bottom end of the positioning pressure spring is connected with the lower positioning sleeve.

As a further improved technical scheme of the utility model, the top of the positioning pin is provided with a crochet hook slot.

As a further improved technical scheme of the utility model, an automatic thread cutting structure is arranged between the thread bearing mechanism and the opening mechanism and is used for cutting off binding threads.

The beneficial effects of the utility model are as follows: when the wire pulling mechanism in the wire feeding mechanism operates, the wire pulling mechanism drives the wire pulling chuck to move, the wire pulling chuck clamps the binding wire on the wire supporting mechanism after being opened by the clamping opening mechanism, and the wire pulling mechanism operates in the opposite direction, so that automatic wire feeding is realized.

The pull wire motor is used for driving the pull wire gear to rotate, the pull wire gear drives the pull wire rack and the pull wire clamping head to move horizontally leftwards, when the pull wire clamping head moves leftwards and passes through the opening clamping mechanism on the right side of the wire supporting mechanism, the opening clamping block on the opening clamping seat stops the opening clamping mechanism to rotate leftwards, the pull wire lower clamping head passes through the square groove of the opening clamping mechanism, the pull wire upper clamping head just touches two gradient blocks, the pull wire upper clamping head passes through the upper part of the gradient blocks, the pull wire upper clamping head is separated from the pull wire lower clamping head, namely the pull wire clamping head is opened, the pull wire upper clamping head and the pull wire lower clamping head which are separated touch the right end of the wire supporting sleeve, the line bearing sleeve and the line bearing pipe move leftwards in the line bearing connecting block, the upper line clamping head and the lower line clamping head are closed under the action of the line bearing pressure spring, the binding line on the line bearing sleeve and the line bearing pipe is just clamped during closing, the line bearing sleeve and the line bearing pipe are driven to reset under the action of the line bearing pressure spring to run in the opposite direction, the line bearing sleeve and the line bearing pipe are driven to reset under the action of the line bearing pressure spring, the line bearing rack and the line bearing pipe clamp the binding line to return rightwards, the line bearing sleeve and the line bearing pipe touch the opening clamping mechanism, the opening clamping mechanism rightwards rotates to the lower part of the line bearing rack and the line bearing clamping head, the line bearing rack and the line bearing clamping head pass through the two opening clamping mechanisms, and the line bearing rack and the line bearing head stop moving. The wiring motor starts to run, the wiring motor drives the wiring gear to rotate, the wiring gear drives the wiring rack to linearly move along the wiring guide rail, the wiring rack drives the wiring connecting plate to linearly move, and accordingly six wiring posts are respectively driven to linearly move along six bar-shaped sliding grooves on the second connecting plate, and the six wiring posts move to pull binding wires, so that the binding wires are tensioned on positioning posts of the crochet hook positioning mechanism, and automatic wire feeding is completed.

The crochet hook positioning mechanism is located under the crochet hook and the binding hole of the file, when the crochet hook vertically moves downwards, the bottom of the crochet hook penetrates through the binding hole of the file and then is inserted into a crochet hook slot of the positioning pin, under the action of pressure exerted by the crochet hook, the positioning pin moves downwards in an inner hole of the upper positioning sleeve, a positioning through hole of the positioning seat body and an inner hole of the lower positioning sleeve, a binding wire tensioned on the positioning pin slides into a groove of the crochet hook, the crochet hook hooks the binding wire and then leaves the positioning pin, and the positioning pin resets under the action of the positioning pressure spring. The crochet hook positioning mechanism improves the success rate of crochet hook and line. The wiring mechanism is used for tensioning the binding wire on the positioning stud of the crochet hook positioning mechanism. The left side of the clamping opening mechanism is used for enabling the stay wire clamping heads to open so as to clamp binding wires on the wire bearing mechanism, and the right side of the clamping opening mechanism is used for enabling the stay wire clamping heads to open so as to loosen clamped binding wires.

To sum up, this three hole line formula binding machine send line mechanism can send the line to archives's binding hole directly under automatically, replaces artifical manual mode of sending the line, has reduced staff's partial work load, has improved whole work efficiency.

Drawings

Fig. 1 is a schematic structural view of a triple-hole line bookbinding machine.

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1.

Fig. 3 is a partial top view of the three-hole line bookbinding machine.

Fig. 4 is a bottom view of two threading mechanisms connected to a support plate in a triple-hole line binding machine.

Fig. 5 is a schematic structural view of a conveying mechanism in the triple-hole line binding machine.

Fig. 6 is a sectional view of the view B-B of fig. 5.

Fig. 7 is a top view of a conveying mechanism in the triple-hole line binding machine.

Fig. 8 is a view showing an operation state of the conveying mechanism in the triple-hole line type binding machine.

Fig. 9 is a front cross-sectional view of a wire feeding mechanism in the triple-hole wire binding machine.

Fig. 10 is a top view of a wire feeding mechanism in a triple-hole wire binding machine.

Fig. 11 is a wire feeding state diagram of the wire feeding mechanism in the triple-hole wire binding machine.

Fig. 12 (a) is a cross-sectional view of the wire feeding wheel in the wire feeding mechanism.

Fig. 12 (b) is a plan view of the wire feeding mechanism.

Fig. 13 (a) is a front view of the wire drawing mechanism in the wire feeding mechanism.

Fig. 13 (b) is a side view of the wire drawing mechanism in the wire feeding mechanism.

Fig. 13 (c) is a plan view of the wire drawing mechanism in the wire feeding mechanism.

Fig. 14 (a) is a cross-sectional view of a wire-carrying mechanism in the wire feeding mechanism.

Fig. 14 (b) is a plan view of the wire feeding mechanism.

Fig. 15 (a) is a front sectional view of the opening mechanism in the wire feeding mechanism.

Fig. 15 (b) is a side sectional view of the opening mechanism in the wire feeding mechanism.

Fig. 15 (c) is a plan view of the opening mechanism in the wire feeding mechanism.

Fig. 16 is a front cross-sectional view of the wiring mechanism in the wire feeding mechanism.

Fig. 17 is a plan view of the wiring mechanism in the wire feeding mechanism.

Fig. 18 is a cross-sectional view of a crochet hook positioning mechanism in a wire feeding mechanism.

Fig. 19 is a state diagram showing an operation sequence of the staple line on the crochet hook positioning mechanism in the thread feeding mechanism.

Fig. 20 is a front cross-sectional view of a wire-hooking and wire-separating mechanism in the triple-hole wire binding machine.

Fig. 21 is a side view of a hook wire branching mechanism in a triple hole wire binding machine.

Fig. 22 is a top cross-sectional view of a hook wire branching mechanism in a triple hole wire binding machine.

Fig. 23 is a schematic diagram of a structure after the left half crochet and the right half crochet are closed in a crochet parting mechanism of a crochet parting mechanism in the three-hole line binding machine.

Fig. 24 (a) is a front view of the structure of the hook wire separating mechanism in the triple-hole wire binding machine.

Fig. 24 (b) is a side view showing the structure of the hook wire separating mechanism in the triple-hole stapler.

Fig. 25 (a) is a cross-sectional view showing the closing of the left half hook and the right half hook in the hook branching mechanism in the triple-hole stapler.

Fig. 25 (b) is a sectional view showing the opening of the left half hook and the right half hook in the hook branching mechanism in the triple-hole stapler.

Fig. 26 is a front view of the structure of the three-hole stapler after the threading mechanism is connected to the support plate.

Fig. 27 is a side view of the threading mechanism in the triple-hole line binding machine after the support plate is hidden.

Fig. 28 is a top view of the threading mechanism in the triple-hole line binding machine after the support plate is hidden.

Fig. 29 is a bottom view of the threading mechanism in the triple-hole line bookbinding machine with the support plate hidden.

Fig. 30 (a) is a schematic view of a first clamp and a second clamp in the threading mechanism.

Fig. 30 (b) is a schematic structural view of the threading mechanism after the first and second clamps extend out of the clamp sleeve.

FIG. 31 is a cross-sectional view of the knotting mechanism in the triple hole stapler.

FIG. 32 is a sectional view of the other side of the knotting mechanism in the triple-hole stapler.

FIG. 33 is a cross-sectional view of the nip mechanism in the knotting mechanism in the triple-hole wire binder.

FIG. 34 is a sequence diagram showing the knotting sequence of the nozzle-clamping mechanism in the knotting mechanism of the three-hole wire binding machine.

Fig. 35 is a state diagram of the binding thread after the operation of the thread hooking and separating mechanism in the three-hole thread binding machine.

Fig. 36 is a state diagram of the binding thread after the threading mechanism in the triple-hole thread binding machine is operated.

In the figure: 1. a frame body; 3. a drilling mechanism; 8. a bottom plate; 9. a support plate; 901. a wire clamping motor through hole; 902. a knotting mechanism mounting hole; 903. the hooking and branching mechanism penetrates through the hole; 10. a control device; 11. binding the wire; 12. a screw; 13. a bearing; 14. a wire hole;

2. A conveying mechanism; 201. a front end plate; 202. a supporting plate; 2021. a slide plate; 2022. a slide plate hole; 2023. a through hole; 2024. a screw blocking piece; 2025. a conductive rubber pad; 203. a guide rod; 204. conveying a pressure spring; 205. conveying screw rods; 206. conveying a push plate; 207. a case body; 208. a first connection plate; 209. a conveying guide rail; 210. a fixing frame; 211. conveying the top plate; 212. an upper connecting rod; 213. a lower connecting rod; 214. a transverse connecting rod; 215. a connecting seat; 216. a conveying motor; 217. a conveying pressing plate; 2171. a hooking hole; 218. a connecting rod seat; 219. a connecting rod cylindrical pin; 220. a conveying slide plate;

4. a wire hooking and branching mechanism; 401. a hooking middle plate; 402. a linear bearing; 403. a slide bar; 404. a hook line top plate; 405. a left hooking bracket; 406. a left hooking rack; 407. a left hooking gear; 408. a transmission shaft; 409. a lock nut; 410. a right hooking rack; 411. a right hooking gear; 412. a wire hooking motor; 413. a right limit sleeve; 414. a right hooking bracket; 415. a left limit sleeve; 416. a support rod; 4A, a left crochet hook mechanism; 4A1, a first joint; 4A2, a first crochet hook; 4B, a right crochet hook mechanism; 4C, a crochet hook branching mechanism; 4C1, a branching rack; 4C2, a branching pressure spring; 4C3, branching locating sleeve; 4C4, branching joint; 4C41, vertical through holes; 4C42, transverse slotting; 4C5, left half crochet hook; 4C51, half-teeth; 4C6, right half crochet hook;

5. A knotting mechanism; 501. a fixed clamping nozzle; 502. a movable clamping nozzle; 503. a cylindrical pin with a clamping mouth; 504. a clamping nozzle shaft; 505. a clamping nozzle shaft sleeve; 5051. a strip-shaped inner notch; 506. a jacket; 507. knotting the bracket; 508. knotting a gear IV; 509. knotting the connecting plate; 510. drawing wire; 511. a sleeve joint; 512. a compression spring washer; 513. a clamping mouth pressure spring; 514. knotting a gear III; 515. knotting a second motor; 516. knotting the shaft; 517. a connecting disc; 518. knotting a gear II; 519. knotting the first gear; 520. a wire drawing disc; 521. knotting a first motor; 522. knotting a motor III; 523. knotting a gear V;

6. a threading mechanism; 601. a clamp I; 602. a second clamp; 603. a clamp pin; 604. a torsion spring; 605. a clamp sleeve; 606. a clamp shaft; 607. a pull rod; 608. a wire clamping joint; 609. a wire rope; 610. a wire clamping gear; 611. a wire clamping rack; 612. a wire clamping bracket; 613. a wire clamping pressure spring; 614. a wire clamping guide rail; 615. a wire clamping motor; 616. a guide rail baffle; 617. a tension spring; 618. a hook plate; 619. a wire wheel; 620. a pull rope motor;

7. a wire feeding mechanism; 701. a second connecting plate; 7011. a strip-shaped chute; 7012. a first through groove; 7013. a second through slot; 7A wire tensioning wheel; 7A1, a wire-opening connecting block; 7A2, a wire reel; 7A3, wire tensioning pressing plates; 7A4, a tension spring; 7A5, a wire tensioning nut; 7B, a wire bearing mechanism; 7B1, a line-bearing connecting block; 7B2, a line bearing retainer ring; 7B3, a line-bearing pressure spring; 7B4, a line pipe; 7B5, a wire bearing sleeve; 7C, a clamping opening mechanism; 7C1, opening a clamping seat; 7C11, opening the clamping stop block; 7C2, opening the clamp pin; 7C3, opening the clamping blocks; 7C31, square groove; 7C5, a gradient block; 7C51, a sloped surface; 7C52, horizontal surface; 7D, a crochet hook positioning mechanism; 7D1, positioning pins; 7D11, crochet hook slots; 7D2, upper locating sleeve; 7D3, positioning a gasket; 7D4, positioning a pressure spring; 7D5, positioning the seat body; 7D6, a lower positioning sleeve; 7D7, an outer positioning washer; 7E, a wiring mechanism; 7E1, wiring columns; 7E11, wiring sleeves; 7E12, wiring pins; 7E2, a wiring connection board; 7E3, wiring pressing plate; 7E4, wiring guide rails; 7E5, wiring racks; 7E6, wiring the motor; 7E7, wiring gears; 7F, a wire pulling mechanism; 7F1, a wire pulling seat body; 7F2, a stay wire motor; 7F3, a stay wire gear; 7F4, a stay wire rack; 7F5, a stay wire compression spring; 7F6, pulling an upper chuck; 7F7, a pull wire lower chuck.

Detailed Description

The embodiment provides a three-hole line type binding machine, which belongs to a three-hole line type file binding machine, and as shown in fig. 1-3, the three-hole line type file binding machine comprises a frame body 1, a conveying mechanism 2, a drilling mechanism 3, a hook line branching mechanism 4, a knotting mechanism 5, a threading mechanism 6, a line feeding mechanism 7 and a control device 10, wherein the conveying mechanism 2, the drilling mechanism 3, the hook line branching mechanism 4, the knotting mechanism 5, the threading mechanism 6 and the line feeding mechanism 7 are arranged on the frame body 1.

As shown in fig. 1-3, the conveying mechanism 2 is located below the drilling mechanism 3 and the hooking and branching mechanism 4, and the conveying mechanism 2 is used for conveying files to be bound to a station of the drilling mechanism 3 and a station of the hooking and branching mechanism 4. The drilling mechanism 3 is located in front of the hooking and branching mechanism 4, and the drilling mechanism 3 is used for drilling three binding holes which are located on the same straight line on the file, and the three binding holes are sequentially marked as a left end hole, a middle hole and a right end hole from left to right. The drilling mechanism 3 of this embodiment adopts the existing drilling mechanism, and from taking the clamp plate, can compress tightly the archives and bore the archives afterwards. The thread feeding mechanism 7 is located below the thread hooking and separating mechanism 4, and the thread feeding mechanism 7 is used for conveying the binding threads 11 to the position below the thread hooking and separating mechanism 4. The thread-separating mechanism 4 is used for hooking the binding threads 11 into three binding holes respectively and separating the binding threads 11 hooked from the middle hole to form a thread hole 14 as shown in fig. 14. The two threading mechanisms 6 are respectively located at two sides of the wire splitting mechanism 4 and are mounted on the supporting plate 9, the mounting positions of the two threading mechanisms 6 are shown in fig. 4, the two threading mechanisms 6 are used for performing primary knotting, namely preliminary knotting, specifically, one threading mechanism 6 is used for clamping the binding wire 11 hooked from the left end hole and passing the binding wire through the wire hole 14, the other threading mechanism 6 is used for clamping the binding wire 11 hooked from the right end hole and passing the binding wire through the wire hole 14, in fig. 4, e represents the position of the binding wire 11 hooked from the left end hole by the left crochet mechanism 4A, f represents the position of the binding wire 11 hooked from the right end hole by the right crochet mechanism 4B, g represents the position of the left half crochet needle 4C5 and the right half crochet needle 4C6 after the binding wire 11 is hooked from the middle hole and separated, and the state after the binding wire 11 on two sides is pulled through the wire hole 14 is shown in fig. 36. Next, the knotting mechanism 5 performs secondary knotting, specifically, the knotting mechanism 5 is located at the rear lower side of the hooking and splitting mechanism 4, and is used to knotte the binding threads 11 at both sides, and the knotting sequence is shown in fig. 34.

Wherein the conveying mechanism 2, the drilling mechanism 3, the hooking and branching mechanism 4, the knotting mechanism 5, the threading mechanism 6 and the wire feeding mechanism 7 are all electrically connected with the control device 10, and the control device 10 is used for respectively controlling the operation of each mechanism. The conveying mechanism 2, the drilling mechanism 3, the wire hooking and separating mechanism 4, the knotting mechanism 5, the threading mechanism 6, the wire feeding mechanism 7 and the control device 10 are all electrically connected with an external power supply.

In this embodiment, as shown in fig. 5 to 8, the conveying mechanism 2 includes a pallet 202, a guide rod 203, a conveying compression spring 204, a conveying screw 205, a conveying push plate 206, a box 207, a first connecting plate 208, a folding lifting bracket, a conveying motor 216, a conveying guide rail 209, a Z-type fixing frame 210, a conveying top plate 211 and a bottom plate 8;

the bottom plate 8 is fixedly connected to the frame body 1 through screws, the fixing frame 210 and the first connecting plate 208 are fixedly connected to the bottom plate 8 through screws, the conveying motor 216 is arranged on the fixing frame 210, an output shaft of the conveying motor 216 is connected with a rear end key of the conveying screw rod 205, the front end of the conveying screw rod 205 is rotatably connected with the first connecting plate 208 through a bearing 13, a nut is connected to the conveying screw rod 205 through threads, the nut is fixedly connected with the front end plate 201, the front end plate 201 is in sliding connection with the front end of the guide rod 203, the conveying push plate 206 is fixedly connected with the rear end of the guide rod 203, and the conveying pressure spring 204 is sleeved on the guide rod 203 and is located between the front end plate 201 and the conveying push plate 206. The bottom of folding rising support rotates to be connected on mount 210, the top of folding rising support rotates to be connected with and carries roof 211 to be located the below between two transport guide rail 209, and two transport guide rail 209 are parallel to each other through screw and support fixed connection in bottom plate 8 top, transport guide rail 209 is parallel with transport lead screw 205, the top of front end plate 201 is connected with box 207, box 207 sliding connection is on transport guide rail 209, put the layer board 202 that is used for placing the archives in the box 207, carry the clamp plate 217 to be connected in the rear end top of transport guide rail 209.

The conveying motor 216 is used for driving the conveying screw rod 205 to rotate so as to drive the nut, the front end plate 201, the guide rod 203, the conveying pressure spring 204 and the conveying push plate 206 to move horizontally and linearly back and forth together, and finally drive the box 207 to move back and forth along the conveying guide rail 209. As shown in fig. 5 to 7, the tray 202 is located in the box 207, the file to be bound is placed in the tray 202, and the tray 202 moves back and forth along with the box 207. The support plate 202 is provided with three slide plate holes 2022, the three slide plate holes 2022 are respectively and elastically connected with a slide plate 2021 through pressure springs, an insulating layer is wrapped on the outer surface of the slide plate 2021 and is in insulating sliding connection with the support plate 202, namely, the slide plate 2021 can linearly move in the slide plate holes 2022 of the support plate 202 under the pushing of external force, a round conductive rubber pad 2025 is arranged on the slide plate 2021, a wire is arranged on a drilling motor in the drilling mechanism 3 and is connected with the support plate 1, a wire is also arranged on the slide plate 2021 and is connected with a main plate in the control device 10, when a drilling knife on the drilling motor on the drilling mechanism 3 penetrates through files to form three binding holes and then is punched to the conductive rubber pad 2025 below the files, the instant contact between the drilling knife and the conductive rubber pad 2025 forms an electric signal path with the support plate 1 (the slide plate 2021 and the support plate 1 are made of conductive materials), the drilling is completed, and the main plate controls the drilling motor in the drilling mechanism 3 to perform next action. Under the control of the control device 10, the conveying motor 216 drives the box body 207 and the supporting plate 202 to move backwards along the conveying guide rail 209 (namely, move towards the direction where the conveying motor 216 is located), when the box body 207 and the supporting plate 202 move below the drilling mechanism 3, the conveying motor 216 stops running, the drilling mechanism 3 starts to work to punch holes, after the drilling is completed, the drilling mechanism 3 resets, the conveying motor 216 continues to run, the box body 207 and the supporting plate 202 are driven to continue to move backwards along the conveying guide rail 209, a raised baffle bar (not shown in the drawing) is arranged on the conveying top plate 211, when the box body 207 and the supporting plate 202 move backwards above the conveying top plate 211, when screw blocking blocks 2024 arranged at the bottoms of three sliding plates 2021 on the supporting plate 202 jointly touch the baffle bars arranged on the upper surface of the conveying top plate 211, the three sliding plates 2021 stop moving backwards, and the box body 207, the supporting plate 202 and the files continue to move backwards under the driving of the conveying motor 216, so that the sliding plates 2021 move backwards in the sliding plate holes 2022 of the supporting plate 202 (namely, move forwards), the sliding plates 2021 keep away from the bound holes on the upper side, and the hook line is formed under the holes 2022, and the hook line is conveniently pulled through the sliding plates 202. When the conveying push plate 206 touches the folding lifting support, as shown in fig. 8, the folding lifting support starts to lift to drive the conveying top plate 211 to lift, the conveying top plate 211 just jacks up the supporting plate 202 in the box 207 when lifting, and after the supporting plate 202 drives the file to lift, the top of the file jacks up the conveying pressing plate 217, and the conveying push plate 206 stops moving backwards. The delivery pressure plate 217 is provided with a hooking hole 2171. When the wire separating mechanism 4 is operated, the left hook needle mechanism 4A, the hook needle separating mechanism 4C and the right hook needle mechanism 4B respectively move downward to sequentially penetrate through the wire separating mechanism penetrating hole 903 on the supporting plate 9 shown in fig. 4, the wire hooking hole 2171 of the conveying pressing plate 217 shown in fig. 7, the three binding holes on the file, the penetrating hole 2023 formed in the sliding plate hole 2022 of the supporting plate 202 after the sliding plate 2021 shown in fig. 8 is kept away, and then the binding wire is hooked. The conveying press plate 217 is located below the hooking and branching mechanism 4, and the wire feeding mechanism 7 is located below the conveying press plate 217.

In this embodiment, the folding lifting support includes two pairs of link mechanisms, the two pairs of link mechanisms are disposed in parallel, the tops of the two pairs of link mechanisms are rotationally connected with the conveying top plate 211 through the link seat 218, and the bottoms of the two pairs of link mechanisms are rotationally connected with the fixing frame 210 through the link seat 218. As shown in fig. 5-6, the link mechanisms each include two upper links 212, two lower links 213 and a transverse link 214, the two upper links 212 are disposed in front and back parallel, the top ends of the two upper links 212 are rotationally connected with the conveying top plate 211 through a link seat 218, the two lower links 213 are disposed in front and back parallel, the bottom ends of the two lower links 213 are rotationally connected with the fixing frame 210 through the link seat 218, the bottom end of one upper link 212, the top end of one lower link 213 and one end of the transverse link 214 are rotationally connected with the bearing 13 through a link cylindrical pin 219, and the bottom end of the other upper link 212, the top end of the other lower link 213 and the other end of the transverse link 214 are rotationally connected with the bearing 13 through a link cylindrical pin 219.

As shown in fig. 5, the fixing frame 210 is a Z-shaped frame, a conveying slide plate 220 is fixedly connected to the bottom of the conveying top plate 211, and the side surface of the conveying slide plate 220 vertically rolls and contacts with the fixing frame 210 through a bearing 13. The transport slide 220 rolls on a vertical plate in the mount 210 as the folding lifting stand is raised or lowered.

In this embodiment, the conveying motor 216 is fixedly connected to the connecting seat 215 through the screw 12, the connecting seat 215 is fixedly connected to the fixing frame 210 through the screw 12, an output shaft of the conveying motor 216 is connected to a rear end of the conveying screw 205 through a key, and the rear end of the conveying screw 205 is rotatably connected to the connecting seat 215 through a bearing 13. The connection base 215 ensures structural stability.

In this embodiment, as shown in fig. 9 and 10, the wire feeding mechanism 7 includes a wire tensioning wheel 7A, a second connection plate 701, a wire receiving mechanism 7B, a pinch opening mechanism 7C, a hook positioning mechanism 7D, a wire routing mechanism 7E, and a wire pulling mechanism 7F. The wire feeding mechanism 7 in fig. 2 is enlarged as shown in fig. 9.

As shown in fig. 9 and 10, the wire-tensioning wheel 7A is disposed at the left end of the bottom plate 8, the wire-pulling mechanism 7F is disposed at the right end of the bottom plate 8, the second connecting plate 701 is connected with the bottom plate 8 by a contour post and a screw 12 and is located above the bottom plate 8, and the second connecting plate 701 is located between the wire-tensioning wheel 7A and the wire-pulling mechanism 7F.

As shown in fig. 12 (a) and fig. 12 (b), the wire-tensioning wheel 7A includes a wire-tensioning connection block 7A1, a wire-tensioning shaft 7A2, a wire-tensioning pressure plate 7A3, a wire-tensioning pressure spring 7A4, and a wire-tensioning nut 7A5, the wire-tensioning connection block 7A1 is fixedly connected to the base plate 8 by a screw 12, the wire-tensioning shaft 7A2 is connected to the wire-tensioning connection block 7A1, the wire-tensioning nut 7A5 is screwed to the wire-tensioning shaft 7A2, the wire-tensioning pressure plate 7A3 is sleeved on the wire-tensioning shaft 7A2, one end of the wire-tensioning pressure spring 7A4 is connected to the wire-tensioning nut 7A5, and the other end is connected to the wire-tensioning pressure plate 7A 3. As shown in fig. 9, the bobbin is wound with the binding thread 11, and the binding thread 11 passes through the thread receiving mechanism 7B after passing between the thread tension pressing plate 7A3 and the thread tension connection block 7 A1. The wire tensioning pressing plate 7A3 has a certain compression effect on the binding wire 11 under the action of the wire tensioning pressure spring 7A4, so that the wire tensioning effect is realized.

The wire pulling mechanism 7F comprises a wire pulling chuck and a chuck driving mechanism for driving the wire pulling chuck to linearly move.

As shown in fig. 13 (a), 13 (b) and 13 (c), wherein the chuck driving mechanism comprises a stay wire rack 7F4, a stay wire motor 7F2 and a stay wire gear 7F3, the stay wire motor 7F2 is fixedly connected to the bottom plate 8 through a stay wire seat body 7F1 and a screw 12, a stay wire through groove for accommodating the stay wire rack 7F4 is arranged in the stay wire seat body 7F1, the stay wire rack 7F4 is positioned in the stay wire through groove and can slide in the stay wire through groove, an output shaft of the stay wire motor 7F2 is connected with the stay wire gear 7F3, the stay wire gear 7F3 is meshed with the stay wire rack 7F4, one end of the stay wire rack 7F4 is connected with a stay wire clamping head, the stay wire clamping head comprises a stay wire upper clamping head 7F6 and a stay wire lower clamping head 7F7, the stay wire lower clamping head 7F7 is fixedly connected with one end of the stay wire rack 7F4, the stay wire upper clamping head 7F6 is rotationally connected with the stay wire lower clamping head 7F7 through a stay wire pin, a stay wire pressure spring 7F5 is arranged between the stay wire upper clamping head 7F6 and the stay wire lower clamping head 7F7, when the stay wire pressure spring 7F5 is in a natural state, the stay wire upper clamping head 7F6 and the stay wire lower clamping head 7F7 are in close contact, and under the action of external force, the stay wire upper clamping head 7F6 and the stay wire lower clamping head 7F7 can be separated. When the wire pulling motor 7F2 operates, the wire pulling motor 7F2 drives the wire pulling gear 7F3 to rotate, and the wire pulling gear 7F3 drives the wire pulling rack 7F4 and the wire pulling chuck to horizontally move.

As shown in fig. 10, the wire-holding mechanism 7B is fixedly connected to the second connecting plate 701 by a screw 12. The second connection plate 701 is provided with two square first through grooves 7012 for allowing the clip opening mechanism 7C to pass through and rotate, three round second through grooves 7013 for allowing the crochet hook positioning mechanism 7D to pass through, and six bar-shaped sliding grooves 7011 for allowing the wiring column 7E1 to pass through and linearly move.

As shown in fig. 14 (a) and 14 (B), the wire-bearing mechanism 7B includes a wire-bearing connection block 7B1, a wire-bearing sleeve 7B5, a wire-bearing tube 7B4 and a wire-bearing compression spring 7B3, the wire-bearing sleeve 7B5 is fixedly connected to the outside of the wire-bearing tube 7B4, the wire-bearing connection block 7B1 is sleeved on the outside of the wire-bearing sleeve 7B5, the wire-bearing sleeve 7B5 and the wire-bearing connection block 7B1 are slidably and elastically connected through the wire-bearing compression spring 7B3, the wire-bearing retainer 7B2 is connected to the outer surface of the wire-bearing sleeve 7B5, and in the natural state of the wire-bearing compression spring 7B3, the wire-bearing retainer 7B2 is in contact with the left end of the wire-bearing connection block 7B1, the wire-bearing connection block 7B1 is fixedly connected to the second connection plate 701 through a screw 12, and the binding wire 11 passes through the wire-bearing tube 7B4 and slightly exposes one end of the wire-bearing tube 7B 4. After the wire clamping head passes through the clamping opening mechanism 7C, the wire upper clamping head 7F6 and the wire lower clamping head 7F7 are separated, the separated wire upper clamping head 7F6 and the separated wire lower clamping head 7F7 touch the right end of the wire bearing sleeve 7B5, the wire bearing sleeve 7B5 and the wire bearing tube 7B4 move leftwards, and the wire 11 at the end part of the wire bearing sleeve 7B5 is just clamped when the wire upper clamping head 7F6 and the wire lower clamping head 7F7 are closed under the action of the wire pressing spring 7F 5.

The number of the clamping opening mechanisms 7C is two, and the clamping opening mechanisms 7C are used for separating a wire upper clamping head 7F6 from a wire lower clamping head 7F7 in the wire clamping heads; as shown in fig. 10, one opening and clamping mechanism 7C is located on the right side of the wire supporting mechanism 7B, the other opening and clamping mechanism 7C is located on the left side of the wire pulling mechanism 7F, the opening and clamping mechanism 7C is connected to the bottom plate 8, and the top end of the opening and clamping mechanism 7C passes through the first through slot 7012 on the second connecting plate 701.

As shown in fig. 15 (a), fig. 15 (b) and fig. 15 (C), the clamping opening mechanism 7C includes a clamping opening seat 7C1, a clamping opening pin 7C2 and a clamping opening block 7C3, a through hole for installing the clamping opening seat 7C1 is formed in the bottom plate 8, the clamping opening seat 7C1 is fixedly connected to the through hole of the bottom plate 8 through a screw 12, and a certain gap is formed below the through hole of the bottom plate 8 to facilitate the clamping opening block 7C3 to rotate to the right side. The clamp opening seat 7C1 is rotationally connected with the clamp opening block 7C3 through the clamp opening pin 7C2, the clamp opening block 7C1 is provided with a clamp opening stop block 7C11 for preventing the clamp opening block 7C3 from rotating leftwards, the clamp opening stop block 7C11 is positioned above the clamp opening pin 7C2, a square groove 7C31 is arranged at the top position of the clamp opening block 7C3, two gradient blocks 7C5 are arranged at the top end of the clamp opening block 7C3 and are positioned on two sides of the square groove 7C31, the upper surface of the gradient block 7C5 is composed of a gradient surface 7C51 and a horizontal surface 7C52, and the distance between the two gradient blocks 7C5 is smaller than the width of the square groove 7C 31. When the stay wire clamping head passes through the opening clamping mechanism 7C, the stay wire lower clamping head 7F7 passes through the square groove 7C31, the stay wire upper clamping head 7F6 just touches two gradient blocks 7C5, the front end of one surface of the stay wire upper clamping head 7F6 facing the stay wire lower clamping head 7F7 is also provided with a guide inclined surface, under the guide effect of the guide inclined surface, the stay wire upper clamping head 7F6 moves along the gradient surface 7C51 of the gradient block 7C5, finally the stay wire upper clamping head 7F6 passes through the upper side of the gradient block 7C5, and the stay wire upper clamping head 7F6 is separated from the stay wire lower clamping head 7F7, namely the stay wire clamping head is opened.

As shown in fig. 16-17, the wiring mechanism 7E includes a wiring driving mechanism, a wiring connection board 7E2 and six wiring columns 7E1, the wiring driving mechanism is connected to the base plate 8, six wiring columns 7E1 are fixedly connected to the wiring connection board 7E2, the wiring connection board 7E2 is located below the second connection board 701, the top ends of the six wiring columns 7E1 thereon respectively pass through six bar-shaped sliding grooves 7011 on the second connection board 701, the wiring driving mechanism is connected to the wiring connection board 7E2 and is used for driving the wiring connection board 7E2 to linearly move so as to drive the plurality of wiring columns 7E1 to linearly move along the bar-shaped sliding grooves 7011, the wiring columns 7E1 are respectively arranged on the left and right sides of the three crochet needle positioning mechanisms 7D, the initial positions of the wiring columns 7E1 are located on the front side of the line bearing mechanism 7B, and the positions of the crochet needle positioning mechanisms 7D are located on the rear side of the line bearing mechanism 7B. The wiring column 7E1 comprises a wiring sleeve 7E11 and a wiring pin 7E12, the wiring sleeve 7E11 is sleeved outside the wiring pin 7E12, and the bottom of the wiring pin 7E12 is fixedly connected with the wiring connecting plate 7E 2.

As shown in fig. 9 and 16-17, the wiring driving mechanism comprises a wiring motor 7E6, a wiring gear 7E7, a wiring rack 7E5, a wiring guide rail 7E4 and a wiring pressing plate 7E3, wherein the wiring motor 7E6 is fixedly connected to the base plate 8 through a screw 12, an output shaft of the wiring motor 7E6 is connected with the wiring gear 7E7, the wiring gear 7E7 is meshed with the wiring rack 7E5, the wiring rack 7E5 and the wiring pressing plate 7E3 are fixedly connected to the wiring connecting plate 7E2 through screws 12, the wiring guide rail 7E4 is embedded between the wiring rack 7E5 and the wiring pressing plate 7E3, the wiring guide rail 7E4 is fixedly connected to the base plate 8 through screws 12, and the wiring guide rail 7E4 can slide between the wiring rack 7E5 and the wiring pressing plate 7E 3.

After the wire pulling mechanism 7F pulls wires, the wire arranging motor 7E6 operates, the wire arranging motor 7E6 drives the wire arranging gear 7E7 to rotate, the wire arranging gear 7E7 drives the wire arranging rack 7E5 to linearly move along the wire arranging guide rail 7E4, the wire arranging rack 7E5 drives the wire arranging connecting plate 7E2 to linearly move so as to drive the six wire arranging posts 7E1 to respectively linearly move along the six bar sliding grooves 7011 on the second connecting plate 701, as shown in fig. 11, the position diagram is a position diagram after the wire arranging posts 7E1 move, and the binding wires 11 can be pulled after the six wire arranging posts 7E1 move, so that the binding wires 11 are tensioned on the positioning pins 7D1 of the crochet hook positioning mechanism 7D.

As shown in fig. 10, there are three crochet hook positioning mechanisms 7D, and the three crochet hook positioning mechanisms 7D are located on the same straight line and are respectively connected to the bottom plate 8, and the top ends of the three crochet hook positioning mechanisms 7D respectively pass through three second through slots 7013 on the second connecting plate 701. The crochet hook positioning mechanism 7D is located directly below the crochet hook branching mechanism through hole 903 and the crochet hook hole 2171 of the conveying platen 217 on the support plate 9.

In this embodiment, as shown in fig. 18, the crochet hook positioning mechanism 7D includes a positioning pin 7D1, an upper positioning sleeve 7D2, an inner positioning washer 7D3, a positioning compression spring 7D4, a positioning seat 7D5, a lower positioning sleeve 7D6 and an outer positioning washer 7D7, a through hole for installing the positioning seat 7D5 is formed in the bottom plate 8, the positioning seat 7D5 is fixedly connected with the through hole in the bottom plate 8 through a screw 12, and a certain gap is formed below the through hole in the bottom plate 8 to facilitate the downward sliding of the positioning pin 7D 1. The inside of positioning seat body 7D5 is equipped with the location through-hole, the top fixedly connected with of location through-hole goes up position sleeve 7D2, and bottom fixedly connected with down position sleeve 7D6, position pin 7D1 runs through the hole of going up position sleeve 7D2 in proper order, the location through-hole of positioning seat body 7D5 and the hole of down position sleeve 7D6, and position pin 7D1 can slide in the hole of last position sleeve 7D2, in the location through-hole of positioning seat body 7D5 and the hole of down position sleeve 7D6, the bottom of position pin 7D1 is connected with outer positioning washer 7D7 through screw 12, outer positioning washer 7D7 is located down position sleeve 7D6 outside below, the middle part fixedly connected with interior positioning washer 7D3 of position pin 7D1, interior positioning spring 7D4 overlaps the outside of position pin 7D1, the top and interior positioning washer 7D3 of position pin 7D4 are connected, the bottom and the interior positioning sleeve 7D6 of position pin 7D4 is connected, position pin 7D4 and position pin 7D5 is equipped with the slot 11. The positioning pressure spring 7D4 is in a natural state, and the top of the positioning pin 7D1 is higher than the upper positioning sleeve 7D2.

The sequence diagram of the first crochet hook 4A2 hooking the binding thread 11 is shown in (1) to (3) in fig. 19. As shown in (1) of fig. 19, the binding thread 11 is tensioned on the positioning pin 7D1 of the hook needle positioning mechanism 7D, when the first hook needle 4A2 moves downward, as shown in (2) of fig. 9, the first hook needle 4A2 is inserted into the hook needle insertion slot 7D11, the positioning pin 7D1 moves downward under the action of the pressure exerted by the first hook needle 4A2 in the inner hole of the upper positioning sleeve 7D2, the positioning through hole of the positioning seat 7D5, and the inner hole of the lower positioning sleeve 7D6, the binding thread 11 tensioned on the positioning pin 7D1 slides into the groove of the first hook needle 4A2, as shown in (3) of fig. 19, the first hook needle 4A2 moves upward, and the positioning pin 7D1 resets under the action of the positioning pressure spring 7D 4. The process of hooking the binding thread 11 by the groove of the split-line hook in the hook-line mechanism 4C is similar to the above, and although the groove at the bottom of the hook-line mechanism 4C is not facing the right front, the angle between the groove of the hook-line mechanism 4C and the right front is small, so that the binding thread 11 tensioned on the positioning pin 7D1 of the hook-line mechanism 7D can be successfully hooked.

In this embodiment, a thread cutting structure (not shown in the drawings) is further disposed between the thread supporting mechanism 7B and the clip opening mechanism 7C, and the thread cutting structure may be an automatic thread cutting structure or a manual thread cutting structure, and the thread cutting structure is used for cutting off the binding threads 11. The prior art is adopted in the tangent line structure, and the device comprises a cutter and a driving device for driving the cutter to move, wherein the driving device drives the cutter to move, and the cutter moves to the tensioned binding line 11 so as to cut off the binding line 11.

In this embodiment, as shown in fig. 20 to 23, the hook wire branching mechanism 4 includes a hook wire driving mechanism, a hook wire top plate 404, a hook wire middle plate 401, a left hook needle mechanism 4A, a hook needle branching mechanism 4C and a right hook needle mechanism 4B, the hook wire top plate 404 is fixedly connected with the support plate 9 through the support rod 416 and the screw 12, the support plate 9 is connected with the bottom plate 8 through the support rod 416 and the screw 12, the hook wire driving mechanism is disposed on the hook wire top plate 404, the hook wire driving mechanism is connected with the hook wire middle plate 401 and is used for driving the hook wire middle plate 401 to move up and down in a straight line, the hook wire middle plate 401 is located below the hook wire top plate 404, and the left hook needle mechanism 4A, the hook needle branching mechanism 4C and the right hook needle mechanism 4B are sequentially connected on the hook wire middle plate 401 from left to right. As shown in fig. 4, the support plate 9 is provided with square hook wire branching mechanism penetration holes 903 for penetrating the left hook wire branching mechanism 4A, the hook wire branching mechanism 4C, and the right hook wire branching mechanism 4B. The hook wire branching mechanism 4 in fig. 2 is enlarged as shown in fig. 20.

As shown in fig. 20, the left crochet mechanism 4A and the right crochet mechanism 4B have the same structure, and each of them includes a first joint 4A1 and a first crochet 4A2, and the first crochet 4A2 is fixedly connected to the first joint 4A1 by a screw 12. The outer surface of the first joint 4A1 is provided with steps and threads, the first joint 4A1 is installed in a reserved installation hole on the hooking intermediate plate 401 through a locking nut 409, the locking nut 409 is locked on the threads of the first joint 4A1, the locking nut 409 is in tight contact with the upper end face of the reserved installation hole, and the steps of the first joint 4A1 are in tight contact with the lower end face of the reserved installation hole.

As shown in (a) in fig. 24, (b) in fig. 24, (a) in fig. 25 and (b) in fig. 25, the crochet hook branching mechanism 4C comprises a branching rack 4C1, a branching pressure spring 4C2, a branching positioning sleeve 4C3, a branching joint 4C4 and a branching crochet hook, the inside of the branching positioning sleeve 4C3 is provided with a vertical through hole 4C41, the inside of the branching joint 4C4 is provided with a vertical through hole 4C41 and the bottom is provided with a transverse slot 4C42, the transverse slot 4C42 is communicated with the bottom of the vertical through hole 4C41 inside the branching joint 4C4, the branching positioning sleeve 4C3 is fixedly connected with the branching joint 4C4, the top of the branching rack 4C1 is provided with a convex block so that the top is in a T shape, the convex block at the top of the branching rack 4C1 penetrates into the vertical through hole 4C41 of the branching positioning sleeve 4C3 and the vertical through hole 4C41 of the branching joint 4C4, the convex block at the top of the branching rack 4C1 is located above the outside of the branching positioning sleeve 4C3, the pressure spring 4C2 is sleeved at the bottom of the vertical through hole 4C41, and the top of the branching positioning sleeve 4C4 is connected with the convex block at one end of the top of the branching rack 4C 4. The split-line crochet is formed by combining a left half crochet 4C5 and a right half crochet 4C6, the bottoms of the left half crochet 4C5 and the right half crochet 4C6 are respectively provided with half grooves, when the bottoms of the left half crochet 4C5 and the right half crochet 4C6 are closed as shown in (a) in fig. 25, the two half grooves are closed to form grooves for hooking the binding threads 11, and when the bottoms of the left half crochet 4C5 and the right half crochet 4C6 are separated as shown in (b) in fig. 25, the two half grooves are separated to open the hooked binding threads 11 to form thread holes 14. The tops of the left half crochet hook 4C5 and the right half crochet hook 4C6 are respectively provided with a half tooth 4C51, the half teeth 4C51 of the left half crochet hook 4C5 and the half teeth 4C51 of the right half crochet hook 4C6 are meshed, the half teeth 4C51 of the left half crochet hook 4C5 and the half teeth 4C51 of the right half crochet hook 4C6 are respectively connected with the inner wall of the transverse slot 4C42 of the branching joint 4C4 in a rotating mode through pins, and the half teeth 4C51 of the left half crochet hook 4C5 are meshed with the branching rack 4C 1. The outer surface of the branching joint 4C4 is provided with a step, the outer surface above the step is provided with threads, the branching joint 4C4 is arranged in a reserved mounting hole on the hooking intermediate plate 401, the step is positioned on the lower end surface of the reserved mounting hole, the locking nut 409 is locked on the threads of the branching joint 4C4 and the locking nut 409 is locked on the upper end surface of the reserved mounting hole, if the angle of the branching joint 4C4 in the reserved mounting hole on the hooking intermediate plate 401 is to be adjusted, the locking nut 409 is only required to be loosened, the branching joint 4C4 is rotated to a proper position, and then the locking nut 409 is locked. It should be noted that, as shown in fig. 20 and 23, the grooves at the bottoms of the left and right loopers 4A and 4B are facing right forward, while the grooves at the bottoms of the looper 4C are not facing right forward, but have a certain inclination, so that the position after the separation of the half grooves at the bottoms of the left and right half loopers 4C5 and 4C6 is shown as the two-point position in g in fig. 4, which is convenient for the binding threads 11 clamped by the two threading mechanisms 6 to pass through the thread hole 14. Although the grooves at the bottom of the crochet parting mechanism 4C shown in fig. 20 and 23 are facing straight ahead, the installation angle between the crochet parting mechanism 4C and the crochet intermediate plate 401 can be adjusted by loosening the lock nut 409 as needed.

The initial positions of the left crochet mechanism 4A, the crochet parting mechanism 4C and the right crochet mechanism 4B are shown in fig. 23, when the crochet driving mechanism works, the crochet driving mechanism drives the crochet intermediate plate 401 to move linearly upwards, so that the left crochet mechanism 4A, the crochet parting mechanism 4C and the right crochet mechanism 4B on the crochet intermediate plate 401 are driven to move linearly upwards, when the crochet parting mechanism 4C moves upwards to touch the crochet top plate 404, the parting rack 4C1 moves downwards to drive the half teeth 4C51 of the left half crochet 4C5 to rotate, and the half teeth 4C51 of the right half crochet 4C6 also rotate simultaneously, as shown in fig. 20, and the left half crochet 4C5 and the right half crochet 4C6 are separated.

In this embodiment, as shown in fig. 20, the hook wire driving mechanism includes a hook wire motor 412, a left hook wire rack 406, a right hook wire rack 410, a left hook wire gear 407 and a right hook wire gear 411, the hook wire motor 412 is fixedly connected to the hook wire top plate 404 through a screw 12, an output shaft of the hook wire motor 412 is simultaneously connected to the right hook wire gear 411 and one end of the transmission shaft 408, the other end of the transmission shaft 408 is rotatably connected to the left hook wire bracket 405 through a bearing 13, the left hook wire bracket 405 is fixedly connected to the hook wire top plate 404 through a screw 12, the transmission shaft 408 is connected with the left hook wire gear 407, the left hook wire gear 407 is meshed with the left hook wire rack 406, the right hook wire gear 411 is meshed with the right hook wire rack 410, the left hook wire rack 406 and the right hook wire rack 410 are parallel to each other, and the bottoms of the left hook wire rack 410 simultaneously penetrate through the hook wire top plate 404 and then are fixedly connected to the hook wire middle plate 401 through the screw 12. As shown in fig. 22, the left hook wire bracket 405 is connected with a left limit shaft by a nut, the left limit shaft is connected with a left limit sleeve 415, the left hook wire rack 406 is embedded in the left limit sleeve 415 and can move in the left limit sleeve 415, and the purpose of the left limit sleeve 415 is to prevent the left hook wire rack 406 from falling off. The right hook wire bracket 414 is fixedly connected with the hook wire top plate 404 through a screw 12, a right limiting shaft is connected to the right hook wire bracket 414 through a nut in a locking manner, a right limiting sleeve 413 is connected to the right limiting shaft, a right hook wire rack 410 is embedded in the right limiting sleeve 413 and can move in the right limiting sleeve 413, and the purpose of the right limiting sleeve 413 is to prevent the right hook wire rack 410 from falling off.

In this embodiment, one end of a sliding rod 403 is fixedly connected to the hook wire top plate 404 through a screw 12, the hook wire intermediate plate 401 is slidably connected to the sliding rod 403 through a linear bearing 402, and the hook wire intermediate plate 401 can slide on the sliding rod 403. The other end of the slide bar 403 may be attached to the support plate 9 by means of a screw 12. In this embodiment, as shown in fig. 4, two threading mechanisms 6 are provided on the supporting plate 9.

26-29, the threading mechanism 6 comprises a thread clamping motor 615, a thread clamping bracket 612, a thread clamping gear 610, a thread clamping rack 611, a clamp sleeve 605, a clamp shaft 606 and a pull rope mechanism, wherein the thread clamping motor 615 is connected to the thread clamping bracket 612 through a screw 12, the thread clamping bracket 612 is elastically arranged on a supporting plate 9, a bar-shaped thread clamping motor penetrating hole 901 which enables the thread clamping motor 615 to penetrate and move is arranged on the supporting plate 9 as shown in fig. 4, a guide groove is formed in the thread clamping bracket 612, the thread clamping rack 611 is embedded in the guide groove and can slide in the guide groove, an output shaft of the thread clamping motor 615 is connected with the thread clamping gear 610, the thread clamping gear 610 is meshed with the clamp rack 611, the end part of the clamp shaft 606 is fixedly connected with the clamp shaft 606, the end part of the clamp shaft 606 is rotatably connected with a clamp 601 and a clamp 602 through a clamp pin 603, a torsion spring 604 is arranged between the clamp 601 and the clamp 602, the end part of the clamp rack 605 is elastically connected with the clamp sleeve 613 through a clamp wire clamping sleeve 605, the clamp shaft 605 is sleeved with the clamp shaft 605 and the pull rope 605 is separated from the clamp shaft 602 through the clamp shaft 602, and the clamp sleeve 605 is pulled out of the clamp sleeve 601 through the clamp shaft 602. The torsion spring 604 is in a natural state, and the clamp one 601 and the clamp two 602 are in a separated state.

In this embodiment, the wire clamping bracket 612 is elastically disposed on the supporting plate 9, specifically: the wire clamping support 612 is fixedly connected with one end of a tension spring 617 through a screw 12, the other end of the tension spring 617 is fixedly connected with a hook plate 618, the hook plate 618 is fixedly connected with a support plate 9 through the screw 12, the top of the wire clamping support 612 is provided with a T-shaped sliding groove, the support plate 9 is fixedly connected with a wire clamping guide rail 614, the bottom of the wire clamping guide rail 614 is provided with a T-shaped sliding block, the T-shaped sliding block at the bottom of the wire clamping guide rail 614 is in sliding connection with the T-shaped sliding groove at the top of the wire clamping support 612, two ends of the wire clamping guide rail 614 are fixedly connected with a guide rail baffle 616 through the screw 12, and the guide rail baffle 616 prevents the T-shaped sliding block from falling off from the T-shaped sliding groove. The function of the elastic setting of the thread clamping bracket 612 on the supporting plate 9 is that when the clamp one 601 and the clamp two 602 clamp and tighten the binding thread 11, after the binding thread 11 is tightened, the thread clamping bracket 612 moves on the supporting plate 9 under the action of the tension spring 617 to prevent the binding thread 11 from being broken due to the tension spring 617, so that the binding thread 11 has a certain tightness due to the action of the tension spring 617.

In this embodiment, as shown in fig. 26-29, the pull rope mechanism includes a pull rope motor 620 and a wire wheel 619, the pull rope motor 620 is connected to the support plate 9, an output shaft of the pull rope motor 620 is connected to the wire wheel 619, a wire rope 609 is wound on the wire wheel 619, a wire clamping connector 608 is fixedly connected to the wire clamping rack 611, a sliding hole is formed in the wire clamping connector 608, the clamp sleeve 605 is fixedly connected with a pull rod 607, and the pull rod 607 is connected to the wire rope 609 after penetrating through the sliding hole. When the pull rope motor 620 operates, the pull rope motor 620 drives the wire wheel 619 to rotate, and the wire wheel 619 tightens the clamp sleeve 605 or loosens the clamp sleeve 605 through the steel wire rope 609 and the pull rod 607. When the grip sleeve 605 is gripped, as shown in fig. 30 (b), the first clamp 601 and the second clamp 602 at the ends of the clamp shaft 606 slide out of the grip sleeve 605 and are separated by the torsion spring 604, and when the grip sleeve 605 is released, as shown in fig. 30 (a), the first clamp 601 and the second clamp 602 at the ends of the clamp shaft 606 slide into the grip sleeve 605.

In this embodiment, as shown in fig. 31-32, the knotting mechanism 5 includes an axial sliding driving mechanism, a radial rotation driving mechanism, a circumferential rotation driving mechanism and a nozzle clamping mechanism, where the nozzle clamping mechanism is located at the inner side of the outer sleeve 506 and can axially slide and radially rotate at the inner side of the outer sleeve 506, the outer sleeve 506 is fixedly connected to the knotting support 507, the axial sliding driving mechanism and the radial rotation driving mechanism are both disposed on the knotting support 507, the axial sliding driving mechanism is used for driving the nozzle clamping mechanism to axially slide (i.e. move in the axial center line direction, i.e. move forward and backward in the length direction) at the inner side of the outer sleeve 506, the radial rotation driving mechanism is used for driving the nozzle clamping mechanism to radially rotate (i.e. move in the circumferential direction, i.e. move in the cross section 360 degrees) at the inner side of the outer sleeve 506, and the circumferential rotation driving mechanism is disposed on the support plate 9, and the circumferential rotation driving mechanism is used for driving the knotting support 507, the axial sliding driving mechanism, the radial rotation driving mechanism and the nozzle clamping mechanism to integrally rotate together. The top of the clamping mouth mechanism is provided with a clamping mouth, and the clamping mouth is connected with a clamping mouth opening and closing mechanism for driving the clamping mouth to open and close.

As shown in fig. 31, the circumferential rotation driving mechanism includes a first knotting motor 521, a first knotting gear 519 and a second knotting gear 518, the first knotting motor 521 is connected to the supporting plate 9 through a screw 12, an output shaft of the first knotting motor 521 is connected to the first knotting gear 519, the first knotting gear 519 is meshed with the second knotting gear 518, the second knotting gear 518 is fixedly connected to the knotting shaft 516 and the knotting support 507 at the same time, and the knotting shaft 516 is rotatably connected to the supporting plate 9. As shown in fig. 4, two knotting mechanism mounting holes 902 are formed in the supporting plate 9, a knotting motor 521 is connected with one of the knotting mechanism mounting holes 902 through a screw 12, the other knotting mechanism mounting hole 902 is fixedly connected with a connecting disc 517 through the screw 12, and a knotting shaft 516 is rotatably connected with the connecting disc 517.

As shown in fig. 31, the radial rotation driving mechanism comprises a second knotting motor 515, a third knotting gear 514 and a fourth knotting gear 508, wherein the second knotting motor 515 is connected to the knotting bracket 507 through a knotting connection plate 509 and a screw 12, an output shaft of the second knotting motor 515 is connected with the third knotting gear 514, and the third knotting gear 514 is meshed with the fourth knotting gear 508.

As shown in fig. 32, the axial sliding driving mechanism comprises a third knotting motor 522 and a fifth knotting gear 523, the third knotting motor 522 is connected to the knotting bracket 507 through a screw 12, and an output shaft of the third knotting motor 522 is connected to the fifth knotting gear 523.

As shown in fig. 33, the tip mechanism includes a tip shaft 504, a tip shaft sleeve 505 and a shaft sleeve joint 511, the bottom of the tip shaft sleeve 505 is fixedly connected with the shaft sleeve joint 511, the tip shaft 504 is located in the tip shaft sleeve 505 and the tip shaft 504 can axially slide in the tip shaft sleeve 505, the bottom of the tip shaft 504 is provided with a compression spring gasket 512, the compression spring gasket 512 is elastically connected with the shaft sleeve joint 511 through the tip compression spring 513, the tip shaft sleeve 505 is located at the inner side of the outer sleeve 506 and the tip shaft sleeve 505 can axially slide and radially rotate in the outer sleeve 506, the outer part of the tip shaft sleeve 505 is radially connected with the knotting gear four 508 and the tip shaft sleeve 505 can axially slide in the inner side of the gear four 508, the tip shaft sleeve 505 is provided with a strip-shaped inner notch 5051, the outer sleeve 506 is provided with an outer notch, the knotting gear five 523 passes through the outer notch on the outer sleeve 506 and the strip-shaped inner notch 5051 on the tip shaft sleeve 505 and then is meshed with annular teeth on the outer surface of the tip shaft 504, and the outer surface of the tip shaft 504 is provided with a plurality of annular teeth. When the third knotting motor 522 operates, the third knotting motor 522 drives the fifth knotting gear 523 to rotate, and the fifth knotting gear 523 drives the nozzle shaft 504 and the nozzle sleeve 505 to axially move in the outer sleeve 506. When the second knotting motor 515 operates, the second knotting motor 515 drives the third knotting gear 514 to rotate, the third knotting gear 514 drives the fourth knotting gear 508 to rotate, and the fourth knotting gear 508 drives the mouth clamping mechanism to radially rotate in the outer sleeve 506. When the first knotting motor 521 is operated, the first knotting motor 521 drives the first knotting gear 519 to rotate, and the first knotting gear 519 drives the second knotting gear 518, the knotting shaft 516, the knotting support 507 and the mouth clamping mechanism to integrally rotate. It should be noted that, when the first knotting gear 519 is not fully toothed and has a part of positions without teeth, and when the first knotting gear 519 rotates to the state that no teeth are meshed with the second knotting gear 518, even if the first knotting motor 521 continues to rotate, the second knotting gear 518, the knotting shaft 516, the knotting support 507 and the nozzle mechanism do not rotate, if the first knotting motor 521 continues to rotate, the wire drawing 510 stretches the nozzle shaft 504, the movable nozzle 502 and the fixed nozzle 501 are separated, i.e. the nozzle is opened, when the first knotting motor 521 rotates reversely, the wire drawing 510 releases the nozzle shaft 504, the movable nozzle 502 and the fixed nozzle 501 are closed, i.e. the nozzle is closed, the first knotting motor 521 continues to rotate reversely, and when the first knotting gear 519 rotates to the state that teeth are meshed with the second knotting gear 518, the first knotting gear 519 rotates reversely, the second knotting gear 518, the knotting shaft 516, the knotting support 507 and the nozzle mechanism are integrally rotated reversely.

As shown in fig. 33, the clamping mouth includes a movable clamping mouth 502 and a fixed clamping mouth 501, the top of the clamping mouth shaft sleeve 505 is fixedly connected with the fixed clamping mouth 501, the top of the clamping mouth shaft 504 is rotatably connected with the movable clamping mouth 502, and the movable clamping mouth 502 is rotatably connected with the fixed clamping mouth 501. The clamping mouth opening and closing mechanism comprises a wire drawing disc 510 and a wire drawing disc 520, an output shaft of the knotting motor one 521 is connected with the wire drawing disc 520, the wire drawing disc 520 is connected with the wire drawing disc 510, and the wire drawing disc 510 penetrates through the clamping mouth shaft sleeve 505 to be connected with the bottom of the clamping mouth shaft 504. When the first knotting motor 521 operates, the first knotting motor 521 drives the wire drawing disc 520 to rotate, the wire drawing disc 520 pulls the clamping nozzle shaft 504 through the wire drawing 510, the clamping nozzle shaft 504 moves towards the shaft sleeve joint 511, and the movable clamping nozzle 502 and the fixed clamping nozzle 501 are separated, namely the clamping nozzle is opened; conversely, the wire drawing 510 is released, the jaw shaft 504 moves away from the boss joint 511 by the restoring action of the jaw compression spring 513, and the movable jaw 502 and the fixed jaw 501 are closed, i.e., the jaws are closed.

In this embodiment, a through groove is formed in the knotting connection plate 509, the nozzle sleeve 505 penetrates through the through groove of the knotting connection plate 509, and the nozzle sleeve 505 can axially slide and radially rotate in the through groove of the knotting connection plate 509. The installation position of the knotting mechanism 5 of the present embodiment is shown in fig. 1 and 2, the knotting mechanism 5 in fig. 1 is enlarged as shown in fig. 31, and the knotting mechanism 5 in fig. 2 is enlarged as shown in fig. 32.

The working process of the three-hole line binding machine in the embodiment is as follows: the bobbin is wound with a binding thread 11, and the binding thread 11 passes through the thread receiving mechanism 7B after passing through the space between the tension pressing plate 7A3 and the tension connecting block 7 A1. Firstly, files are put into the supporting plate 202, the conveying mechanism 2 starts to work, the conveying motor 216 operates, the conveying motor 216 drives the box body 207 and the supporting plate 202 to move backwards along the conveying guide rail 209, when the box body 207 and the supporting plate 202 move below the drilling mechanism 3, the box body 207 and the supporting plate 202 stop moving, three drilling knives on the drilling mechanism 3 penetrate through files on the supporting plate 202, three binding holes are formed on the files, after the drilling is finished, the drilling mechanism 3 resets, the box body 207 and the supporting plate 202 continue to move backwards along the conveying guide rail 209, when the box body 207 and the supporting plate 202 move backwards above the conveying top plate 211, when screw blocking blocks 2024 at the bottoms of three sliding plates 2021 on the supporting plate 202 jointly touch a stop bar on the upper surface of the conveying top plate 211, the three sliding plates 2021 stop moving backwards, the box 207, the pallet 202 and the file continue to move backwards under the driving of the conveying motor 216, so that the sliding plate 2021 moves in the opposite direction (i.e. moves forwards) in the sliding plate hole 2022 of the pallet 202, the sliding plate 2021 keeps away from the punched binding hole on the file, a through hole 2023 is formed in the sliding plate hole 2022 just below the punched binding hole of the file, when the conveying push plate 206 touches the connecting rod cylindrical pin 219 between the upper connecting rod 212 and the lower connecting rod 213, the folding lifting bracket starts to lift so as to drive the conveying top plate 211 to lift, the conveying top plate 202 in the box 207 is just lifted when the conveying top plate 211 lifts, and after the pallet 202 drives the file to lift, the top of the file pushes against the conveying pressing plate 217, so that the file is tightly pressed, and the conveying push plate 206 stops moving. The wire pulling mechanism 7F in the wire feeding mechanism 7 operates, the wire pulling motor 7F2 drives the wire pulling gear 7F3 to rotate, the wire pulling gear 7F3 drives the wire pulling rack 7F4 and the wire pulling clamp to move horizontally leftwards together, when the wire pulling clamp moves leftwards and passes through the opening clamp mechanism 7C on the right side of the wire supporting mechanism 7B, the opening clamp stop 7C11 on the opening clamp seat 7C1 stops the opening clamp mechanism 7C to rotate leftwards, the wire pulling lower clamp 7F7 passes through the square groove 7C31 of the opening clamp mechanism 7C, the wire pulling upper clamp 7F6 just touches two gradient blocks 7C5, the wire pulling upper clamp 7F6 passes through the upper side of the gradient block 7C5, the wire pulling upper clamp 7F6 is separated from the wire pulling lower clamp 7F7, namely the wire pulling clamp is opened, the separated wire pulling upper clamp 7F6 and the wire pulling lower clamp 7F7 touch the right end of the wire supporting sleeve 7B5, the wire supporting sleeve 7B5 and the wire supporting tube 7B4 move leftwards in the wire supporting connecting block 7B1, the wire pulling upper clamp 7F6 and the wire pulling clamp 7F7 are closed under the action of the pressure spring 7F5, when the wire holding sleeve 7B5 is closed, the wire holding sleeve 7B5 just clamps the binding wire 11 outside the wire holding sleeve 7B5, the wire holding motor 7F2 runs in the opposite direction to drive the wire holding rack 7F4 to reset, the wire holding sleeve 7B5 and the wire holding tube 7B4 reset under the action of the wire holding pressure spring 7B3, when the wire holding rack 7F4 and the wire holding clamp the binding wire 11 to return rightwards, the clamping opening mechanism 7C is touched, the clamping opening mechanism 7C rotates rightwards to the lower parts of the wire holding rack 7F4 and the wire holding clamp, the wire holding rack 7F4 and the wire holding clamp pass through the two clamping opening mechanisms 7C, the wire holding rack 7F4 and the wire holding clamp stop moving, the wire holding motor 7E6 starts to run, the wire holding motor 7E6 drives the wire holding gear 7E7 to rotate, the wire holding gear 7E7 drives the wire holding rack 7E5 to move linearly along the wire holding guide rail 7E4, the wire holding rack 7E5 drives the wire holding connecting plate 7E2 to move linearly to drive the six wire holding posts 7E1 to move linearly along six bar sliding grooves 7011 on the second connecting plate 701 respectively, after the wire posts 7E1 move to the position shown in fig. 11, the movement is stopped, and after the six wire posts 7E1 move, the binding wire 11 is pulled, so that the binding wire 11 is tensioned on the positioning pins 7D1 of the crochet hook positioning mechanism 7D. The hook wire branching mechanism 4 starts to operate, the hook wire motor 412 drives the right hook wire gear 411, the transmission shaft 408 and the left hook wire gear 407 to rotate together, so as to drive the right hook wire rack 410 and the left hook wire rack 406 to move downwards, the right hook wire rack 410 and the left hook wire rack 406 drive the left hook needle mechanism 4A, the hook wire branching mechanism 4C and the right hook needle mechanism 4B on the hook wire intermediate plate 401 to move downwards, the bottoms of the left hook needle mechanism 4A, the hook wire branching mechanism 4C and the right hook needle mechanism 4B sequentially penetrate through the hook wire branching mechanism through holes 903 on the supporting plate 9 shown in fig. 4, the hook wire holes 2171 of the conveying pressing plate 217 shown in fig. 7, the three binding holes on the file, the through holes 2023 formed in the slide plate holes 2022 of the supporting plate 202 after the slide plate 2021 is kept away as shown in fig. 8, and then are respectively inserted into the hook needle inserting slots 7D11 of the three hook needle positioning mechanisms 7D, as shown in fig. 19, the binding thread 11 stretched on the positioning pins 7D1 of the three crochet hook positioning mechanisms 7D slides into grooves at the bottoms of the left crochet hook mechanism 4A, the crochet hook branching mechanism 4C and the right crochet hook mechanism 4B respectively, the crochet hook motor 412 runs in the opposite direction to drive the left crochet hook mechanism 4A, the crochet hook branching mechanism 4C and the right crochet hook mechanism 4B to move upwards, when the top of the branching rack 4C1 of the crochet hook branching mechanism 4C touches the crochet hook top plate 404, the branching rack 4C1 in the crochet hook branching mechanism 4C moves downwards to drive the half tooth 4C51 of the left half crochet hook 4C5 to rotate, the half tooth 4C51 of the right half crochet hook 4C6 also rotates simultaneously, as shown in FIG. 20, the left half crochet hook 4C5 and the right half crochet hook 4C6 in the crochet hook branching mechanism 4C are separated, the crochet hook 11 hooked by the crochet hook branching mechanism 4C is opened to form a thread hole 14 as shown in FIG. 35, at the moment, the groove position of the left crochet hook mechanism 4A is e in FIG. 4, the groove position of the crochet hook mechanism 4B is f, the half grooves of the left half hook 4C5 and the half grooves of the right half hook 4C6 in the hook branching mechanism 4C are respectively two g in fig. 4. When the two threading mechanisms 6 are operated simultaneously, the thread clamping motor 615 drives the thread clamping gear 610 to rotate, thereby driving the thread clamping rack 611 to move, the thread clamping rack 611 drives the clamp sleeve 605 and the clamp shaft 606 to move together, when the end part of the clamp shaft 606 of the left threading mechanism 6 passes through the thread hole 14 to move to the vicinity of the binding thread 11 hooked by the right crochet mechanism 4B, the end part of the clamp shaft 606 of the right threading mechanism 6 passes through the thread hole 14 to move to the vicinity of the binding thread 11 hooked by the left crochet mechanism 4A, the pull rope mechanism is operated simultaneously, the clamp sleeve 605 is pulled by the steel wire rope 609, so that the clamp one 601 and the clamp two 602 at the end part of the clamp shaft 606 slide out of the clamp sleeve 605 and are separated under the action of the torsion spring 604, after the clamp one 601 and the clamp two 602 reach the thread clamping position, the pull rope 609 is released by the pull rope mechanism, the clamp one 601 and the clamp two 602 retract into the clamp sleeve 605 and clamp the binding thread 11, and the thread clamping motor 615 moves in the opposite direction, the wire clamping rack 611 drives the clamp sleeve 605 and the clamp shaft 606 to move back, the binding wire 11 clamped by the clamp one 601 and the clamp two 602 passes through the wire hole 14, when the two threading mechanisms 6 run simultaneously, the binding wire 11 hooked by the left crochet hook mechanism 4A and the binding wire 11 hooked by the right crochet hook mechanism 4B are respectively clamped by the threading mechanisms 6 and pass through the wire hole 14 to be tensioned, and then as shown in fig. 36, note that the wire hooking motor 412 needs to drive the left crochet hook mechanism 4A, the crochet hook branching mechanism 4C and the right crochet hook mechanism 4B to move downwards while the threading mechanisms 6 clamp the binding wire 11, the wire cutting structure cuts off the binding wire 11, the wire drawing motor 7F2 drives the wire drawing gear 7F3 to rotate, the wire drawing gear 7F3 drives the wire rack 7F4 and the wire clamping chuck to move horizontally leftwards together, and after the wire clamping chuck moves leftwards and passes through the nearest wire opening clamp mechanism 7C, the wire clamp is opened to loosen the binding wire 11, and then the wire clamp motor 615 is operated in the opposite direction to tighten the binding wire 11. When the binding thread 11 is in the state shown in fig. 36, the knotting mechanism 5 starts to work, the knotting motor three 522 operates to drive the knotting gear five 523 to rotate, so as to drive the jaw shaft sleeve 505 and the jaw shaft 504 to move forward in the outer sleeve 506, after moving to the position shown in (1) in fig. 34, the jaw shaft sleeve 505 and the jaw shaft 504 stop moving forward, fig. 34 is a top view effect diagram, the knotting motor two 515 drives the knotting gear three 514 to rotate, so that the jaw shaft sleeve 505 and the jaw shaft 504 are driven to rotate in the outer sleeve 506 through the knotting gear four 508, the jaw stops rotating after rotating to the angle shown in (2) in fig. 34, the knotting motor three 522 drives the jaw gear five 523 to rotate in the opposite direction, so as to drive the jaw shaft sleeve 505 and the jaw shaft 504 to move backward in the outer sleeve 506 to hook the binding thread 11 on one side, after moving to the position shown in (3) in fig. 34, the gripper jaw shaft sleeve 505 and the gripper jaw shaft 504 stop moving backwards, the knotting motor II 515 drives the knotting gear III 514 to rotate, so that the gripper jaw shaft sleeve 505 and the gripper jaw shaft 504 are driven to rotate in the outer sleeve 506 through the knotting gear IV 508, the gripper jaw rotating process is as shown in (4) in fig. 34 and (5) in fig. 34, the binding wire 11 on one side is wound on the gripper jaw shaft sleeve 505 to form a coil, the gripper jaw rotates to the position shown in (5) in fig. 34, the knotting motor I521 stops rotating, the knotting gear I519 is driven to rotate, the knotting bracket 507, the outer sleeve 506 and the gripper jaw mechanism are driven to integrally rotate through the knotting gear II 518 and the knotting shaft 516, the knotting bracket 507 is rotated to an angle as shown in (6) in fig. 34, because the knotting gear I519 is not a full tooth, the first knotting gear 519 rotates until no teeth are meshed with the second knotting gear 518, the first knotting motor 521 continues to operate, the knotting bracket 507 does not rotate, but the first knotting motor 521 drives the wire drawing disc 520 to continue to rotate, so that the wire drawing 510 tightens the clamp mouth shaft 504, the clamp mouth shaft 504 moves backwards in the clamp mouth shaft sleeve 505, the fixed clamp mouth 501 and the movable clamp mouth 502 are separated, the clamp mouth is opened, the third knotting motor 522 operates, drives the clamp mouth shaft sleeve 505 and the clamp mouth shaft 504 to move forwards in the outer sleeve 506, the clamp mouth moves to the binding wire 11 on the other side, the clamp mouth shaft sleeve 505, the clamp mouth shaft 504 and the clamp mouth stop moving forwards, as shown in (6) in fig. 34, the third knotting motor 521 runs in the opposite direction, drives the wire drawing disc 520 to rotate in the opposite direction, the wire drawing 510 loosens the clamp mouth shaft 504, the clamp mouth shaft 504 moves forwards in the clamp mouth shaft 505 under the action of the clamp mouth pressure spring 513, the fixed gripper jaw 501 and the movable gripper jaw 502 are closed, the gripper jaw clamps the binding thread 11 on the other side, as shown in (7) in fig. 34, the knotting motor 521 continues to run in the opposite direction, when the knotting gear 519 rotates to the state that teeth are meshed with the knotting gear 518, the knotting gear 519 drives the knotting bracket 507, the outer sleeve 506 and the gripper jaw mechanism to integrally rotate in the opposite direction through the knotting gear 518 and the knotting shaft 516, the knotting motor 515 drives the knotting gear three 514 to rotate after rotating to the angle shown in (8) in fig. 34, the gripper jaw shaft 505 and the gripper jaw shaft 504 are driven to rotate in the outer sleeve 506 through the knotting gear four 508, the knotting motor three 522 stops rotating after rotating to the angle shown in (9) in fig. 34, the knotting motor three 522 reverses, the gripper jaw shaft 505 and the gripper jaw shaft 504 are driven to move backwards in the outer sleeve 506, the coil wound before retracting, the retracting process is shown in (9) in fig. 34, and then the knotting motor three 522 and the knotting motor one 521 run simultaneously, the knotting motor three 522 drives the jaw shaft sleeve 505 and the jaw shaft 504 to move forward in the outer sleeve 506, the knotting motor one 521 drives the knotting support 507, the outer sleeve 506 and the jaw mechanism to integrally rotate through the knotting gear two 518 and the knotting shaft 516, so that the binding thread 11 is tensioned, as shown in (10) in fig. 34, and knotting is completed. In the process of secondary knotting by the knotting mechanism 5, the two threading mechanisms 6 are correspondingly subjected to wire loosening or tightening operation, namely, the wire clamping motor 615 drives the wire clamping rack 611 to move back and forth, the clamp one 601 and the clamp two 602 clamp the binding wire 11 to move back and forth so as to realize the wire loosening or tightening operation, the binding wire 11 is prevented from being excessively fastened and broken, after the knotting mechanism 5 is knotted, the clamp one 601 and the clamp two 602 of the threading mechanism 6 are opened, the binding wire 11 is released, the clamping mouth of the knotting mechanism 5 is opened, and the binding wire 11 is released. And finally resetting all mechanisms.

Claims (10)

1. Wire feeding mechanism for three-hole wire binding machine, its characterized in that: the wire feeding mechanism (7) comprises a binding wire (11), a wire tensioning wheel (7A), a second connecting plate (701), a wire bearing mechanism (7B), a clamping opening mechanism (7C) and a wire pulling mechanism (7F);

the wire tensioning wheel (7A) is arranged at the left end of the bottom plate (8), the wire pulling mechanism (7F) is arranged at the right end of the bottom plate (8), the second connecting plate (701) is connected with the bottom plate (8) and is positioned above the bottom plate (8), and the second connecting plate (701) is positioned between the wire tensioning wheel (7A) and the wire pulling mechanism (7F);

the wire pulling mechanism (7F) comprises a wire pulling chuck and a chuck driving mechanism for driving the wire pulling chuck to linearly move;

the wire bearing mechanism (7B) is connected to a second connecting plate (701), and a first through groove (7012) for allowing the clamping opening mechanism (7C) to pass through is formed in the second connecting plate (701);

the number of the clamping opening mechanisms (7C) is two, and the clamping opening mechanisms (7C) are used for enabling the stay wire clamping heads to be opened; one opening and clamping mechanism (7C) is positioned on the right side of the wire bearing mechanism (7B), the other opening and clamping mechanism (7C) is positioned on the left side of the wire pulling mechanism (7F), the opening and clamping mechanism (7C) is connected to the bottom plate (8), and the top end of the opening and clamping mechanism (7C) passes through a first through groove (7012) on the second connecting plate (701);

The binding wire (11) is wound on a winding wheel (619), and the binding wire (11) sequentially passes through the wire tensioning wheel (7A) and the wire bearing mechanism (7B).

2. The wire feeding mechanism for a triple-hole wire binding machine according to claim 1, wherein: the chuck driving mechanism in the wire pulling mechanism (7F) comprises a wire pulling rack (7F 4), a wire pulling motor (7F 2) and a wire pulling gear (7F 3), the wire pulling motor (7F 2) is fixedly connected to the bottom plate (8) through a wire pulling seat body (7F 1), a wire pulling through groove for accommodating the wire pulling rack (7F 4) is formed in the wire pulling seat body (7F 1), the wire pulling rack (7F 4) is positioned in the wire pulling through groove and can slide in the wire pulling through groove, the output shaft of the wire pulling motor (7F 2) is connected with the wire pulling gear (7F 3), the wire pulling gear (7F 3) is meshed with the wire pulling rack (7F 4), and one end of the wire pulling rack (7F 4) is connected with the wire pulling chuck; the wire pulling clamp comprises a wire pulling upper clamp (7F 6) and a wire pulling lower clamp (7F 7), the wire pulling lower clamp (7F 7) is fixedly connected with one end of a wire pulling rack (7F 4), the wire pulling upper clamp (7F 6) is rotationally connected with the wire pulling lower clamp (7F 7) through a wire pulling pin, a wire pulling pressure spring (7F 5) is arranged between the wire pulling upper clamp (7F 6) and the wire pulling lower clamp (7F 7), and the wire pulling pressure spring (7F 5) is tightly contacted with the wire pulling upper clamp (7F 6) and the wire pulling lower clamp (7F 7) when the wire pulling pressure spring (7F 5) is in a natural state;

The stay wire motor (7F 2) is used for driving the stay wire gear (7F 3) to rotate, and the stay wire gear (7F 3) drives the stay wire rack (7F 4) and the stay wire clamping head to move horizontally and linearly.

3. The wire feeding mechanism for a triple-hole wire binding machine according to claim 1, wherein: the wire bearing mechanism (7B) comprises a wire bearing connecting block (7B 1), a wire bearing sleeve (7B 5), a wire bearing pipe (7B 4) and a wire bearing pressure spring (7B 3), the wire bearing sleeve (7B 5) is fixedly connected to the outer part of the wire bearing pipe (7B 4), the wire bearing connecting block (7B 1) is sleeved on the outer part of the wire bearing sleeve (7B 5), the wire bearing sleeve (7B 5) and the wire bearing connecting block (7B 1) are in sliding elastic connection through the wire bearing pressure spring (7B 3), a wire bearing check ring (7B 2) is connected to the outer surface of the wire bearing sleeve (7B 5), and in the natural state of the wire bearing pressure spring (7B 3), the wire bearing check ring (7B 2) is in contact with the left end of the wire bearing connecting block (7B 1), the wire bearing connecting block (7B 1) is fixedly connected with a second connecting plate (701), and the binding wire (11) penetrates through the wire bearing pipe (7B 4).

4. The wire feeding mechanism for a triple-hole wire binding machine according to claim 1, wherein: the utility model provides a clamp mechanism (7C) opens, including opening clamping seat (7C 1), open clamp pin (7C 2) and open clamp block (7C 3), open clamping seat (7C 1) and connect on bottom plate (8), open clamping seat (7C 1) and open clamp block (7C 3) rotation through opening clamp pin (7C 2), open and be provided with on clamp seat (7C 1) and prevent opening clamp block (7C 3) pivoted open clamp dog (7C 11) to the left side, open clamp dog (7C 11) and be located and open clamp pin (7C 2) top, open the top position of clamp block (7C 3) and be equipped with square groove (7C 31) that runs through clamp block (7C 3) left end and right-hand member, the top of clamp block (7C 3) is equipped with two slope pieces (7C 5) and are located square groove (7C 31) both sides, and the upper surface of slope piece (7C 5) comprises slope piece (7C 5) and horizontal surface (7C 52) and is less than square groove (7C 51) interval between the width of slope piece (7C 5).

5. The wire feeding mechanism for a triple-hole wire binding machine according to claim 1, wherein: the wire feeding mechanism (7) further comprises a crochet hook positioning mechanism (7D) and a wiring mechanism (7E);

a second through groove (7013) for allowing the crochet hook positioning mechanism (7D) to pass through and a strip-shaped chute (7011) for allowing the wiring column (7E 1) to pass through and linearly move are formed in the second connecting plate (701);

three crochet hook positioning mechanisms (7D) are arranged, the three crochet hook positioning mechanisms (7D) are positioned on the same straight line and are respectively connected to the bottom plate (8), and the top end of each crochet hook positioning mechanism (7D) passes through a second through groove (7013) on the second connecting plate (701);

the wiring mechanism (7E) comprises a wiring driving mechanism, a wiring connecting plate (7E 2) and wiring columns (7E 1), wherein the wiring driving mechanism is connected to the bottom plate (8), a plurality of wiring columns (7E 1) are fixedly connected to the wiring connecting plate (7E 2), the wiring connecting plate (7E 2) is located below the second connecting plate (701) and the top ends of the wiring columns (7E 1) penetrate through strip-shaped sliding grooves (7011) in the second connecting plate (701), the wiring driving mechanism is connected with the wiring connecting plate (7E 2) and is used for driving the wiring connecting plate (7E 2) to move linearly so as to drive the wiring columns (7E 1) to move linearly along the strip-shaped sliding grooves (7011), the left side and the right side of the three crochet needle positioning mechanisms (7D) are respectively provided with the wiring columns (7E 1), the initial positions of the wiring columns (7E 1) are located on the front sides of the line-bearing mechanisms (7B), and the positions of the crochet needle positioning mechanisms (7D) are located on the rear sides of the line-bearing mechanisms (7B).

6. The wire feeding mechanism for a triple-hole wire binding machine according to claim 5, wherein: the wiring driving mechanism in the wiring mechanism (7E) comprises a wiring motor (7E 6), a wiring gear (7E 7), a wiring rack (7E 5), a wiring guide rail (7E 4) and a wiring pressing plate (7E 3), wherein the wiring motor (7E 6) is fixedly connected to a bottom plate (8), an output shaft of the wiring motor (7E 6) is connected with the wiring gear (7E 7), the wiring gear (7E 7) is meshed with the wiring rack (7E 5), the wiring rack (7E 5) and the wiring pressing plate (7E 3) are fixedly connected to a wiring connecting plate (7E 2), the wiring guide rail (7E 4) is embedded between the wiring rack (7E 5) and the wiring pressing plate (7E 3), the wiring guide rail (7E 4) is fixedly connected to the bottom plate (8), and the wiring guide rail (7E 4) can slide between the wiring rack (7E 5) and the wiring pressing plate (7E 3);

the wiring motor (7E 6) is used for driving the wiring gear (7E 7) to rotate, the wiring gear (7E 7) drives the wiring rack (7E 5) to linearly move along the wiring guide rail (7E 4), and the wiring rack (7E 5) drives the wiring connecting plate (7E 2) to linearly move so as to drive the plurality of wiring columns (7E 1) to linearly move along the strip-shaped sliding grooves (7011) on the second connecting plate (701).

7. The wire feeding mechanism for a triple-hole wire binding machine according to claim 5, wherein: the crochet hook positioning mechanism (7D) comprises a positioning pin (7D 1), an upper positioning sleeve (7D 2), a positioning washer (7D 3), a positioning seat body (7D 5), a lower positioning sleeve (7D 6) and an outer positioning washer (7D 7), the positioning seat body (7D 5) is fixedly connected with a bottom plate (8), a positioning through hole is formed in the positioning seat body (7D 5), an upper positioning sleeve (7D 2) is fixedly connected to the top end of the positioning through hole, a lower positioning sleeve (7D 6) is fixedly connected to the bottom end of the positioning through hole, the positioning pin (7D 1) sequentially penetrates through an inner hole of the upper positioning sleeve (7D 2), a positioning through hole of the positioning seat body (7D 5) and an inner hole of the lower positioning sleeve (7D 6), the positioning pin (7D 1) can slide in the inner hole of the upper positioning sleeve (7D 2), the positioning through hole of the positioning seat body (7D 5) and the inner hole of the lower positioning sleeve (7D 6), the bottom of the positioning seat body (7D 1) is fixedly connected with the outer positioning sleeve (7D 2), the positioning pin (7D 1) is sequentially penetrated through the inner hole of the positioning sleeve (7D 6), and the positioning washer (7D 3D is connected with the positioning washer (7D 3).

8. The wire feeding mechanism for a triple-hole wire binding machine according to claim 7, wherein: the positioning washer (7D 3) is elastically connected with the lower positioning sleeve (7D 6) through the positioning pressure spring (7D 4), the positioning pressure spring (7D 4) is sleeved outside the positioning pin (7D 1), the top end of the positioning pressure spring (7D 4) is connected with the positioning washer (7D 3), and the bottom end of the positioning pressure spring is connected with the lower positioning sleeve (7D 6).

9. The wire feeding mechanism for a triple-hole wire binding machine according to claim 8, wherein: the top of the positioning pin (7D 1) is provided with a crochet hook slot (7D 11).

10. The wire feeding mechanism for a triple-hole wire binding machine according to claim 1, wherein: an automatic thread cutting structure is further arranged between the thread bearing mechanism (7B) and the clamping opening mechanism (7C), and the automatic thread cutting structure is used for cutting off binding threads (11).

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