CN212920876U

CN212920876U - Electric three-hole punching, threading and binding integrated machine

Info

Publication number: CN212920876U
Application number: CN202021801797.2U
Authority: CN
Inventors: 孔喜艳; 奚朱东
Original assignee: Shanghai Qiyan Office Equipment Co ltd
Current assignee: Shanghai Qiyan Office Equipment Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-04-09
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses an electric three-hole punching, threading and binding integrated machine, which relates to the technical field of paper processing and punching machines and comprises a frame, wherein two sides inside the frame are provided with longitudinal axes, a punching mechanism and a threading mechanism are coaxially arranged on the longitudinal axes, a punching base plate capable of moving in parallel is synchronously linked on the threading mechanism, and two ends of the punching base plate are fixed on the frame through linear sliding mechanisms; the punching mechanism comprises a punching support plate and a punching pushing part for pushing the punching support plate to move up and down, and 3 punching motors are arranged on the punching support plate at equal intervals; the threading mechanism comprises a threading support plate and a threading pushing part for pushing the threading support plate to move up and down, and threading needles are coaxially arranged on the threading support plate corresponding to the positions of the punching hollow drill cutters; a tray is arranged on the frame and above the punching base plate. The utility model discloses can accomplish the threading of punching and bind in a gas, effectively avoid the paper hole to shift, reduce the degree of difficulty that the threading of punching was bound, improve work efficiency greatly.

Description

Electric three-hole punching, threading and binding integrated machine

Technical Field

The utility model relates to a paper is handled, archives document data are filed, volume skin file disjunctor is bound, puncher technical field, concretely relates to electronic three holes threading of punching is bound all-in-one.

Background

The file, archives need bind the sealing after accomplishing, need punch the paper with the puncher earlier at the binding process, then carry out the threading and bind, the thickness of paper generally can be at dozens of pages or even several hundred pages, punch the in-process and need keep the level and smooth of paper to the paper, it is bright and clean to punch, can not have the fold, current puncher single structure, the limit of punching the margin to advance, the threading binding can't be accomplished in the binding of file disjunctor, book skin and file need punch alone, the file skin file will punch after good takes off and threads the binding separately, this can cause the removal between the paper undoubtedly, lead to punching the dislocation, influence the threading and bind, also can cause the fold of paper simultaneously, influence and bind, and simultaneously, low working efficiency, not pleasing to the eye enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of single structure, large binding difficulty, low working efficiency and the like in the prior art, and provides an electric three-hole punching, threading and binding integrated machine.

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

the electric three-hole punching, threading and binding integrated machine comprises a rack, wherein longitudinal shafts are vertically arranged on two sides in the rack, two ends of each longitudinal shaft are fixed on the rack through a first fixing seat, a punching mechanism and a threading mechanism for paper binding are coaxially arranged in the rack from top to bottom, a punching base plate capable of moving in parallel is synchronously arranged on the threading mechanism in a linkage manner, and two ends of the punching base plate are fixed on the rack through a linear sliding mechanism;

the punching mechanism comprises a punching support plate and a punching pushing portion for pushing the punching support plate to move up and down, wherein the two ends of the punching support plate are assembled on a longitudinal shaft in a sliding mode through an upper shaft sleeve, 3 punching motors are arranged on the punching support plate at equal intervals along the length of the punching support plate, the 3 punching motors are connected with a travel switch in parallel and used for controlling the travel power-on position of the punching motors, and a punching hollow drill cutter is installed at the output end of each punching motor.

The longitudinal shafts arranged on the two sides of the rack and the punching support plate form a door-shaped frame; the hollow door-shaped frame structure can lead the punching data to pass through the machine body, realize the random adjustment of the depth of the punching margin and realize the binding modes with various requirements.

The threading mechanism comprises a threading carrier plate and a threading pushing part for pushing the threading carrier plate to move up and down, two ends of the threading carrier plate are assembled on a longitudinal shaft in a sliding mode through a lower shaft sleeve, threading needles are coaxially arranged at positions, corresponding to each punching hollow drill knife, on the threading carrier plate, and wire grooves are formed in the same side, at the end parts of 3 threading needles;

a linkage mechanism which moves synchronously is arranged between the punching base plate and the threading support plate, the linkage mechanism comprises a fisheye rod end joint bearing linkage rod, a first fisheye rod end joint bearing at one end of the fisheye rod end joint bearing linkage rod is fixed on the threading support plate through a first fisheye bearing fixing seat, and a second fisheye rod end joint bearing at the other end is fixed on the punching base plate through a second fisheye bearing fixing seat;

gasket mounting grooves are formed in the positions, corresponding to the 3 punching hollow drill cutters, of one side, located on the longitudinal axis, of the punching base plate, and gaskets are placed in the gasket mounting grooves;

the paper punching machine is characterized in that a tray used for placing paper is arranged above the punching base plate on the rack, the tray is formed by splicing a front supporting plate and a rear supporting plate, and one side of the front supporting plate and the rear supporting plate, which are spliced, is provided with a notch for enabling the punching base plate to move in parallel and a threading needle to penetrate through a long strip.

And a power supply interface and a power supply switch for supplying power to the electric three-hole punching, threading and binding integrated machine are arranged on the lower base of the rack.

The paper feeder is characterized by also comprising a machine cover used for covering the outer side of the upper part of the machine frame, and two sides of the bottom of the machine cover are provided with penetrating strip-shaped paper feeding ports.

Further, linear sliding mechanism includes slider, cross axle and second fixing base, cross axle parallel arrangement is in the below of the backing plate that punches, the both ends of cross axle are passed through the second fixing base is fixed in the frame, the slider is fixed in the bottom of the backing plate that punches to establish on the cross axle with gliding mode cover.

Further, the promotion portion of punching is including the handle of punching, last pressure arm, go up connecting rod and last connecting pin, the symmetrical last pressure arm of both ends fixed mounting of the handle of punching, go up the connecting pin and fix the both ends at the support plate of punching, the vertical upper limit hole that is used for going up the connecting pin and passes that is equipped with in both sides of frame, the one end of going up the connecting rod is installed with the pivoted mode on going up the connecting pin, the other end of going up the connecting rod is connected on last pressure arm with the rotation mode through last loose pin, the one end that the handle of punching was kept away from to last pressure arm is installed in the frame through last fixed pin.

Further, threading promotion portion includes threading handle, pushes down arm, lower connecting rod, lower movable pin, lower fixed pin, connecting pin down, go up the connecting pin and fix the one end at the threading support plate, the vertical lower spacing hole that is used for connecting pin to pass down that is equipped with in one side that the frame corresponds threading promotion portion, the one end of pushing down the arm is installed with the rotation mode on the connecting pin down, and the other end of pushing down the arm is installed at the threading handle with the rotation mode, the one end of lower connecting rod is through one side of lower fixed pin fixed mounting spacing hole under, and the other end of lower connecting rod is installed under in the pivoted mode on the arm through lower movable pin.

Furthermore, the position that is located the backing plate that punches on the axis of ordinates is fixed and is equipped with the spacing ring, the top of spacing ring is equipped with the reset spring that is used for supporting the support plate that punches and upwards resets, and reset spring overlaps and establishes on the axis of ordinates.

Furthermore, the both ends of the support plate that punches still run through and are equipped with the stop screw that punches that is used for injecing the support plate displacement stroke about punching, the top of the stop screw that punches is fixed on first fixing base, and the bottom of the stop screw that punches is equipped with the stopper.

Furthermore, the top of preceding layer board is equipped with the nipper, and the both ends of preceding layer board are vertical to be equipped with the screw rod, the both ends of nipper are equipped with the mounting hole that passes the screw rod, and the below that the screw rod is located the nipper is equipped with buffer spring, and the top that the screw rod is located the nipper is equipped with lock nut, the nipper corresponds the position of punching hollow drill sword and threading needle and is equipped with the through-hole of rectangular shape.

Furthermore, a paper positioning device is arranged on the rear supporting plate and comprises a paper blocking strip capable of moving back and forth, two ends of one side, far away from the front supporting plate, of the paper blocking strip are rotatably connected with adjusting screw rods, the adjusting screw rods are fixed on the edge of the rear supporting plate through fixing plates, a first internal thread adjusting hand wheel is in threaded connection with the adjusting screw rods, and a second internal thread adjusting hand wheel is in threaded connection with one end, far away from the paper blocking strip, of the adjusting screw rods.

Furthermore, a paper scrap discharging device is arranged on the punching hollow drill cutter, a scrap discharging reed pipe is arranged on one side of the paper scrap discharging device, the other end of the scrap discharging reed pipe is connected with a paper receiving box, and the paper receiving box is fixed to the lower portion of the punching support plate.

The utility model provides a pair of electronic three holes threading of punching are bound all-in-one, beneficial effect lies in:

(1) the utility model discloses an on punch, the binding mode of bottom threading carries out the binding that punches to the paper, at whole binding in-process, the paper need not to remove, accomplishes binding a gas, effectively avoids the paper hole to shift, reduces the degree of difficulty of punching the binding, has improved work efficiency.

(2) The utility model discloses a coaxial setting makes to punch and the threading improves the precision of punching and threading on same axis.

(3) The utility model discloses in the process of punching, the smooth finish that the gasket set up can improve the hole avoids the bottom paper deckle edge to appear, improves the quality of punching, and the backing plate that punches when using fisheye rod end joint bearing trace threading moves backward makes the threading needle pass the data of punching smoothly.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a right side view of the present invention;

fig. 4 is a schematic diagram of the internal structure of the present invention (without the front support plate and the rear support plate);

FIG. 5 is a schematic view of the internal cross-section of the present invention;

fig. 6 is a schematic structural diagram of the present invention regarding the punching state (without the front support plate and the rear support plate);

fig. 7 is a schematic diagram of the internal cross-sectional structure of the present invention (without the front support plate and the rear support plate) in the state of punching;

fig. 8 is a schematic structural view of the threading state of the present invention (without the front support plate and the rear support plate);

fig. 9 is a schematic view of the internal cross-section of the threading device of the present invention (without the front and rear support plates);

fig. 10 is a schematic view of the present invention in a disassembled structure with respect to the tray;

FIG. 11 is a schematic view of the structure of the present invention with respect to the hood;

labeled as: the automatic paper feeding device comprises a rack 1, an upper limiting hole 11, a lower limiting hole 12, a power interface 13, a power switch 14, a hood 15, a strip-shaped paper feeding port 16, a longitudinal shaft 2, a first fixing seat 21, a limiting ring 22, an upper shaft sleeve 23, a lower shaft sleeve 24, a return spring 25, a punching limiting screw 26, a limiting block 27, a punching carrier plate 3, a punching motor 31, a travel switch 310, a punching hollow drill 32, a scrap discharging device 33, a scrap discharging reed pipe 34, a punching backing plate 4, a gasket mounting groove 41, a gasket 42, a sliding block 43, a transverse shaft 44, a second fixing seat 45, a threading carrier plate 5, a threading needle 51, a wire groove 52, a punching handle 6, an upper pressing arm 61, an upper connecting rod 62, an upper movable pin 63, an upper fixing pin 64, an upper connecting pin 65, a threading handle 7, a lower pressing arm 71, a lower connecting rod 72, a lower movable pin 73, a lower fixing pin 74, a lower connecting pin 75, a front backing plate 81, a, The paper receiving box comprises a buffer spring 85, a paper pressing plate 86, a mounting hole 87, a locking nut 88, a through hole 89, a paper blocking strip 810, a screw rod fixing block 811, a first internal thread adjusting hand wheel 812, an adjusting screw rod 813, a second internal thread adjusting hand wheel 814, a fisheye rod end joint bearing linkage rod 9, a first fisheye bearing fixing seat 91, a second fisheye bearing fixing seat 92, a first fisheye rod end joint bearing 93, a second fisheye rod end joint bearing 94 and the paper receiving box 10.

Detailed Description

The present invention will be further described with reference to the following specific examples. These examples are provided only for illustrating the present invention and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The structural features of the present invention will now be described in detail with reference to the accompanying drawings.

Referring to fig. 1-5, an electronic three-hole punching, threading and binding all-in-one machine comprises a rack 1, wherein longitudinal axes 2 are vertically arranged on two sides of the inside of the rack 1, two ends of each longitudinal axis 2 are fixed on the rack 1 through first fixing seats 21, a punching mechanism and a threading mechanism for paper binding are coaxially arranged in the rack 1 from top to bottom, the punching mechanism vertically punches holes on paper from top to bottom, the threading mechanism threads the punched paper from bottom to top, the electronic three-hole punching, threading and binding all-in-one machine punches and binds the paper by adopting an upper punching and lower threading binding mode, in the whole binding process, the paper does not need to move, the binding is completed at one stroke, the displacement of paper holes is effectively avoided, the difficulty of punching and binding is reduced, and the working efficiency is improved.

The mechanism of punching is including the support plate 3 that punches and the promotion support plate 3 that punches that reciprocates that punches push away the portion, and the both ends of the support plate 3 that punches assemble on axis of ordinates 2 with gliding mode through last axle sleeve 23, and the support plate 3 that punches can follow axis of ordinates 2 and reciprocate under the promotion of the promotion portion that punches.

The pushing part that punches is including the handle 6 that punches, go up pressure arm 61, go up connecting rod 62 and last connecting pin 65, the symmetrical last pressure arm 61 of both ends fixed mounting of handle 6 that punches, it fixes the both ends at the support plate 3 that punches to go up connecting pin 65, the vertical upper limit hole 11 that is used for going up connecting pin 65 and passes that is equipped with in both sides of frame 1, the one end of going up connecting rod 62 is installed on last connecting pin 65 with the pivoted mode, the other end of going up connecting rod 62 is connected on last pressure arm 61 with the rotation mode through last loose pin 63, the one end that handle 6 that punches 6 was kept away from to last pressure arm 61 is installed on frame 1 through last fixed pin 64, handle 6 punches through pushing down, go up pressure arm 61 can rotary drive go up connecting rod 62 and promote support plate 3 that punches and move down under the spacing effect of axis of ordinates 2, support plate 3 punches moves vertically downwards under.

The both ends of the support plate 3 that punches still run through and are equipped with the stop screw 26 that punches that is used for injecing the support plate 3 upper and lower displacement stroke that punches, and the top of the stop screw 26 that punches is fixed on first fixing base 21, and the bottom of the stop screw 26 that punches is equipped with stopper 27, and the stop screw 26 that punches is used for the restriction to punch the maximum displacement of support plate 3 downstream, also is the maximum depth of punching.

Meanwhile, a limiting ring 22 is fixedly arranged at the position of the punching base plate 4 on the longitudinal axis 2, a reset spring 25 used for supporting the punching support plate 3 to reset upwards is arranged above the limiting ring 22, the reset spring 25 is sleeved on the longitudinal axis 2, the punching support plate 3 can continuously compress the reset spring 25 in the process of moving downwards, and after hands are loosened, the reset spring 25 can bounce the punching support plate 3 to reset the punching pushing part.

3 punching motors 31 are arranged on the punching support plate 3 at equal intervals along the length of the punching support plate, 3 punching motors 31 are connected with a travel switch 310 in parallel and used for controlling the travel power-on position of the punching motors 31, a punching hollow drill bit 32 is installed at the output end of the punching motors 31, a paper scrap discharging device 33 used for collecting paper scraps is arranged on the punching hollow drill bit 32, the paper scrap discharging device 33 is fixed on the punching motors 31, the punching hollow drill bit 32 penetrates through the axial lead of the paper scrap discharging device 33, a hole (not marked in the drawing) for discharging the paper scraps is formed in one side, located inside the paper scrap discharging device 33, of the punching hollow drill bit 32, a chip discharging reed pipe 34 is arranged on one side of the paper scrap discharging device 33, the other end of the chip discharging reed pipe 34 is connected with a paper receiving box 10, the paper receiving box 10 is fixed on the lower portion of the punching support plate 3, and the.

The longitudinal shafts 2 arranged on the two sides of the frame 1 and the punching support plate 3 form a door-shaped frame; the hollow door-shaped frame structure can lead the punching data to pass through the machine body, realize the random adjustment of the depth of the punching margin and realize the binding modes with various requirements.

The threading mechanism includes a threading carrier plate 5 and a threading pushing portion that pushes the threading carrier plate 5 up and down, and both ends of the threading carrier plate 5 are slidably fitted on the longitudinal shaft 2 through lower bushings 24. The threading carrier plate 5 will move up and down along the longitudinal axis 2 under the push of the threading pushing part.

The threading pushing part comprises a threading handle 7, a lower pressing arm 71, a lower connecting rod 72, a lower movable pin 73, a lower fixed pin 74 and a lower connecting pin 75, the upper connecting pin 65 is fixed at one end of the threading carrier plate 5, one side of the machine frame 1 corresponding to the threading pushing part is vertically provided with a lower limiting hole 12 for the lower connecting pin 75 to pass through, one end of the lower pressing arm 71 is rotatably arranged on the lower connecting pin 75, the other end of the lower pressing arm 71 is rotatably arranged on the threading handle 7, one end of the lower connecting rod 72 is fixedly arranged at one side of the lower limiting hole 12 through the lower fixed pin 74, the other end of the lower connecting rod 72 is rotatably arranged on the lower pressing arm 71 through the lower movable pin 73, by pressing the threading handle 7, the lower link 72 will support the lower pressing arm 71 to drive the threading carrier plate 5 to move upward under the action of the lower fixing pin 74, and the threading carrier plate 5 will move vertically up and down under the limiting action of the longitudinal shaft 2.

The threading carrier plate 5 is coaxially provided with threading needles 51 corresponding to the positions of the hollow drilling knives 32, the threading needles 51 are coaxially arranged with the hollow drilling knives 32, the threading needles 51 can vertically penetrate through holes of paper, the end parts of the threading needles 51 are positioned on the same side, a thread groove 52 is arranged, when threading is carried out, binding threads are parallelly placed in the thread groove 52 and are brought into the holes of the paper by the threading needles 51, and then the threads are knotted to finish binding.

The threading mechanism is synchronously linked with a punching base plate 4 capable of moving in parallel, and two ends of the punching base plate 4 are fixed on the rack 1 through a linear sliding mechanism. The linear sliding mechanism comprises a sliding block 43, a transverse shaft 44 and a second fixed seat 45, the transverse shaft 44 is arranged below the punching base plate 4 in parallel, two ends of the transverse shaft 44 are fixed on the rack 1 through the second fixed seat 45, the sliding block 43 is fixed at the bottom of the punching base plate 4 and sleeved on the transverse shaft 44 in a sliding mode, and the punching base plate 4 can move horizontally under the action of the linear sliding mechanism.

A linkage mechanism which moves synchronously is arranged between the punching backing plate 4 and the threading carrier plate 5, the linkage mechanism comprises a fisheye rod end joint bearing linkage rod 9, a first fisheye rod end joint bearing 93 at one end of the fisheye rod end joint bearing linkage rod 9 is fixed on the threading carrier plate 5 through a first fisheye bearing fixing seat 91, a second fisheye rod end joint bearing 94 at the other end is fixedly connected on the punching backing plate 4 through a second fisheye bearing fixing seat 92, a gasket mounting groove 41 is arranged at one side of the punching backing plate 4, which is positioned at the longitudinal axis 2, corresponding to the position of each punching hollow drill 32, a gasket 42 is arranged in each gasket mounting groove 41, when paper is punched, the gasket mounting groove 41 on the punching backing plate 4 is positioned under the punching hollow drill 32, the gasket 42 adopts a rubber gasket, the punching hollow drill 32 penetrates through the paper and finally abuts against the gasket 42, and the gasket 42 can protect the paper at the lowest part, the hole that makes the paper beat out is more smooth, avoids appearing deckle edge, improves the quality of punching.

The bottom of the side of the punching cushion plate 4 corresponding to the threading needle 51 is provided with a chamfer (not shown in the figure), thus effectively avoiding the threading needle 51 colliding with the punching cushion plate 4.

As shown in fig. 10, a tray for placing paper is provided on the frame 1 above the punching pad 4, the tray is formed by splicing a front support plate 81 and a rear support plate 82, the front support plate 81 and the rear support plate 82 are provided with a strip-shaped notch 83 for the parallel movement of the punching pad 4 and the threading needle 51 to pass through at one side of the splice, a paper fixing device is provided on the front support plate 81, the paper fixing device includes a paper pressing plate 86, the paper pressing plate 86 is provided above the front support plate 81, paper pressing plate screws 84 are vertically provided at both ends of the front support plate 81, mounting holes 87 for passing through the paper pressing plate screws 84 are provided at both ends of the paper pressing plate 86, a buffer spring 85 is provided below the paper pressing plate 86, a lock nut 88 is provided above the paper pressing plate 86, a strip-shaped through hole 89 is provided at the position of the paper pressing plate 86 corresponding to the punching hollow drill 32 and the threading needle 51, the paper is placed behind the front support plate 81, compress tightly through the nipper 86, can fix the paper, avoid punching the in-process and remove, further improve the precision and the quality of punching. Be equipped with paper positioner on back supporting plate 82, paper positioner is including the fender paper strip 810 that can the back-and-forth movement, but one side both ends that preceding layer board 81 was kept away from to fender paper strip 810 are rotated and are connected with accommodate the lead screw 811, accommodate the lead screw 813 is fixed on the edge of back layer board 82 through fixed plate 811, threaded connection has first internal thread adjusting hand wheel 812 on accommodate the lead screw 813, the one end threaded connection who keeps away from fender paper strip 810 has second internal thread adjusting hand wheel 814, the position of fender paper strip 810 is adjusted in step through accommodate the lead screw 813 of fender paper strip 810 both sides, the position that adjustable paper punched, the position of punching can be decided by the limiting position of fender paper strip 810, can set in the tip or the middle part of paper, make the paper.

Referring to fig. 3, a power interface 13 and a power switch 14 for supplying power to the electric three-hole punching, threading and binding integrated machine are arranged on a lower base of the frame 1.

Referring to fig. 11, a hood 15 is further provided for covering the outer side of the upper part of the frame, and strip-shaped paper inlets 16 are provided on both sides of the bottom of the hood 15.

The utility model discloses an electronic three holes threading of punching bind all-in-one, the utility model discloses an on punch, the binding mode of bottom threading carries out the binding that punches to the paper, at whole binding in-process, the paper need not to remove, accomplishes binding a gas, effectively avoids the paper hole to shift, reduces the degree of difficulty of punching the binding, has improved work efficiency. Meanwhile, the coaxial arrangement is adopted, so that the punching and threading are carried out on the same axis, and the punching and threading precision is improved. In the punching process, the smooth finish of the holes can be improved, burrs of the paper at the bottom layer are avoided, and the punching quality is improved.

Specifically, in use, as shown in fig. 6-7, when a paper sheet is punched (the paper sheet is not shown in the figure), the paper sheet punching position is determined by the paper sheet positioning device, then the paper sheet to be punched is fixed by the paper sheet fixing device, the threading pushing part is kept still in the next step, at this time, the threading needle 51 on the threading support plate 5 is positioned below the punching pad 4, the paper sheet is punched by pressing down the punching handle 6 with a hand, after punching is completed, the punching support plate 3 is reset again under the action of the reset spring 25, then the binding thread is placed in the thread groove 52, as shown in fig. 8-9, the threading handle 7 is pressed down, the threading pushing part pushes the punching pad 4 on the punching pad 44 to move backwards while the fisheye rod end joint bearing linkage rod 9 synchronously moves upwards under the action of the reset spring 25, the threading needle 51 passes through the holes punched by the three punching hollow drilling cutters 32 coaxially arranged from the notch 83 position upwards, the threading needle 51 rises and moves backwards while punching the base plate 4, the threading needle 51 can smoothly pass through the punched hole, the punching base plate 4 is enabled to avoid the threading needle 51 moving upwards, after the threading needle 51 passes through the hole on the paper, the binding thread passes through the hole, finally, knotting is carried out manually, the binding work of the document paper is completed, and after the binding work, the threading carrier plate 5 can reset under the action of gravity.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric three-hole punching, threading and binding integrated machine comprises a rack (1) and is characterized in that longitudinal shafts (2) are vertically arranged on two sides in the rack (1), two ends of each longitudinal shaft (2) are fixed on the rack (1) through first fixing seats (21), a punching mechanism and a threading mechanism for paper binding are coaxially arranged in the rack (1) from top to bottom, a punching base plate (4) capable of moving in parallel is synchronously arranged on the threading mechanism in a linkage mode, and two ends of the punching base plate (4) are fixed on the rack (1) through linear sliding mechanisms;

the punching mechanism comprises a punching support plate (3) and a punching pushing part for pushing the punching support plate (3) to move up and down, two ends of the punching support plate (3) are assembled on the longitudinal shaft (2) in a sliding mode through an upper shaft sleeve (23), 3 punching motors (31) are arranged on the punching support plate (3) at equal intervals along the length of the punching support plate, the 3 punching motors (31) are connected with a travel switch (310) in parallel and used for controlling the travel electrifying position of the punching motors (31), and a punching hollow drill (32) is installed at the output end of the punching motor (31);

the longitudinal shafts (2) arranged on the two sides of the rack (1) and the punching support plate (3) form a door-shaped frame;

the threading mechanism comprises a threading carrier plate (5) and a threading pushing part for pushing the threading carrier plate (5) to move up and down, two ends of the threading carrier plate (5) are assembled on the longitudinal shaft (2) in a sliding mode through a lower shaft sleeve (24), threading needles (51) are coaxially arranged at positions, corresponding to each punching hollow drill (32), on the threading carrier plate (5), and wire grooves (52) are formed in the same side, at the end parts of 3 threading needles (51);

a linkage mechanism which moves synchronously is arranged between the punching base plate (4) and the threading support plate (5), the linkage mechanism comprises a fisheye rod end joint bearing linkage rod (9), a first fisheye rod end joint bearing (93) at one end of the fisheye rod end joint bearing linkage rod (9) is fixed on the threading support plate (5) through a first fisheye bearing fixing seat (91), and a second fisheye rod end joint bearing (94) at the other end is fixed on the punching base plate (4) through a second fisheye bearing fixing seat (92);

gasket mounting grooves (41) are formed in the positions, corresponding to the 3 punching hollow drill cutters (32), of one side, located on the longitudinal axis (2), of the punching base plate (4), and gaskets (42) are placed in the gasket mounting grooves (41);

a tray for placing paper is arranged on the rack (1) and above the punching base plate (4), the tray is formed by splicing a front supporting plate (81) and a rear supporting plate (82), and one side of the front supporting plate (81) and one side of the rear supporting plate (82) which are spliced are provided with a strip-shaped notch (83) for the parallel movement of the punching base plate (4) and the penetration of a threading needle (51);

a power interface (13) and a power switch (14) for supplying power to the electric three-hole punching, threading and binding integrated machine are arranged on a base at the lower part of the rack (1);

the paper feeder is characterized by further comprising a hood (15) covering the outer side of the upper portion of the machine frame (1), and strip-shaped paper inlets (16) penetrating through the two sides of the bottom of the hood (15).

2. An electric three-hole punching, threading and binding all-in-one machine according to claim 1, characterized in that the linear sliding mechanism comprises a sliding block (43), a transverse shaft (44) and a second fixed seat (45), the transverse shaft (44) is arranged below the punching pad (4) in parallel, two ends of the transverse shaft (44) are fixed on the machine frame (1) through the second fixed seat (45), and the sliding block (43) is fixed at the bottom of the punching pad (4) and sleeved on the transverse shaft (44) in a sliding manner.

3. The electric three-hole punching, threading and binding all-in-one machine is characterized in that, the punching pushing part comprises a punching handle (6), an upper pressing arm (61), an upper connecting rod (62) and an upper connecting pin (65), two ends of the punching handle (6) are fixedly provided with symmetrical upper pressure arms (61), the upper connecting pins (65) are fixed at two ends of the punching carrier plate (3), two sides of the frame (1) are vertically provided with upper limiting holes (11) for the upper connecting pins (65) to pass through, one end of the upper connecting rod (62) is rotatably arranged on the upper connecting pin (65), the other end of the upper connecting rod (62) is rotatably connected on the upper pressure arm (61) through an upper movable pin (63), one end of the upper pressure arm (61) far away from the punching handle (6) is installed on the frame (1) through an upper fixing pin (64).

4. The electric three-hole punching, threading and binding all-in-one machine is characterized in that, the threading pushing part comprises a threading handle (7), a lower pressing arm (71), a lower connecting rod (72), a lower movable pin (73), a lower fixed pin (74) and a lower connecting pin (75), the upper connecting pin (65) is fixed at one end of the threading carrier plate (5), a lower limiting hole (12) for a lower connecting pin (75) to pass through is vertically arranged on one side of the machine frame (1) corresponding to the threading pushing part, one end of the lower pressing arm (71) is rotatably arranged on the lower connecting pin (75), the other end of the lower pressing arm (71) is fixedly arranged on the threading handle (7), one end of the lower connecting rod (72) is fixedly arranged at one side of the lower limiting hole (12) through a lower fixing pin (74), and the other end of the lower connecting rod (72) is rotatably arranged on the lower pressing arm (71) through a lower movable pin (73).

5. An electric three-hole punching, threading and binding all-in-one machine according to claim 1, characterized in that a limiting ring (22) is fixedly arranged on the longitudinal shaft (2) at the position of the punching backing plate (4), a return spring (25) for supporting the punching carrier plate (3) to return upwards is arranged above the limiting ring (22), and the return spring (25) is sleeved on the longitudinal shaft (2).

6. The electric three-hole punching, threading and binding all-in-one machine according to claim 1, wherein a punching limit screw (26) for limiting the vertical displacement stroke of the punching support plate (3) is further arranged at two ends of the punching support plate (3) in a penetrating manner, the top end of the punching limit screw (26) is fixed on the first fixing seat (21), and a limiting block (27) is arranged at the bottom end of the punching limit screw (26).

7. An electric three-hole punching, threading and binding all-in-one machine according to claim 1, characterized in that a paper fixing device is arranged on the front supporting plate (81), the paper fixing device comprises a paper pressing plate (86), the paper pressing plate (86) is arranged above the front supporting plate (81), paper pressing plate screws (84) are vertically arranged at two ends of the front supporting plate (81), mounting holes (87) penetrating through the paper pressing plate screws (84) are arranged at two ends of the paper pressing plate (86), a buffer spring (85) is arranged below the paper pressing plate (86) at the position where the paper pressing plate screws (84) are arranged above the paper pressing plate (86), a locking nut (88) is arranged above the paper pressing plate (86), and through holes (89) which are long-strip-shaped are arranged at positions of the paper pressing plate (86) corresponding to the punching hollow drill (32) and the threading needle (51).

8. The electric three-hole punching, threading and binding all-in-one machine according to claim 1, wherein a paper positioning device is arranged on the rear supporting plate (82), the paper positioning device comprises a paper blocking strip (810) capable of moving back and forth, two ends of one side, away from the front supporting plate (81), of the paper blocking strip (810) are rotatably connected with an adjusting screw rod (813), the adjusting screw rod (813) is fixed on the edge of the rear supporting plate (82) through a fixing plate (811), a first internal thread adjusting hand wheel (812) is in threaded connection with the adjusting screw rod (813), and a second internal thread adjusting hand wheel (814) is in threaded connection with one end, away from the paper blocking strip (810).

9. The all-in-one machine of claim 1 is characterized in that a paper scrap discharging device (33) is arranged on the punching hollow drill (32), a chip removal reed pipe (34) is arranged on one side of the paper scrap discharging device (33), the other end of the chip removal reed pipe (34) is connected with a paper receiving box (10), and the paper receiving box (10) is fixed on the lower portion of the punching support plate (3).