CN203558253U

CN203558253U - Pneumatic stapling device

Info

Publication number: CN203558253U
Application number: CN201320719412.1U
Authority: CN
Inventors: 金德赋
Original assignee: WENZHOU CHINALIGHT HARDWARE KNIFE Co Ltd
Current assignee: WENZHOU CHINALIGHT HARDWARE KNIFE Co Ltd
Priority date: 2013-11-13
Filing date: 2013-11-13
Publication date: 2014-04-23
Anticipated expiration: 2023-11-13

Abstract

The utility model relates to a stapling device, in particular to a pneumatic stapling device. The pneumatic stapling device is applicable to continuous and automatic operation. According to the pneumatic stapling device, a wire feeding mechanism, a shearing and U shape bending mechanism and a pressing stapling mechanism are arranged, and a driving device drives the mechanisms to accomplish the motion of conveying of steel wires with the constant length, the motion of cutting-off of the steel wires, the motion of U shape bending of the steel wires and the motion of stapling in sequence. Due to the fact that steel wire coils are adopted for feeding of the pneumatic stapling device, continuous operation can be carried out, the requirement for continuous and automatic operation is met, and working efficiency is greatly improved.

Description

A kind of pneumatic binding apparatus

Technical field

The utility model relates to a kind of binding apparatus, is particularly a kind ofly applicable to continuously, the pneumatic binding apparatus of automatically working.

Background technology

There are at present many products in packaging process, all to use U-shaped staple to bind, if the beverage of some stationery, bottle packing and health products are that these all can use staple binding apparatus with the form grouping package of plate one plate when selling.Yet owing to there is no at present special-purpose staple binding apparatus, generally can only use common manual stapler to bind, the large and slow inefficiency of speed of labor strength; Also the employing having is arranged on common manual stapler on a support, and drives the part of bearing down on one of clasp machine to complete bookbinding action by a driver train.But because common manual stapler is not for continuous, automation binding work design, its inside once can only fill the very U-shaped staple of limited amount, therefore often need to be taken off filling U-shaped staple, very inconvenient, also affect efficiency simultaneously; In addition, because common manual stapler is not for continuous, automation binding work design, but for manual operations design, the restriction on its structure design makes the service life of common manual stapler not long, easily damage.

Summary of the invention

The purpose of this utility model is to provide a kind of pneumatic binding apparatus continuous, automatically working that is applicable to for overcoming the deficiencies in the prior art.

In order to achieve the above object, the utility model provides a kind of pneumatic binding apparatus, it is characterized in that: comprise wire drive feeder, shearing and U-shaped bending mechanism and top pressure binder mechanism, described wire drive feeder comprises thread discharge disk, two Steelwire holding devices and traction drive mechanism, one of them Steelwire holding device location arranges, and another Steelwire holding device moves back and forth unidirectional traction steel wire along wire feed route set a distance under traction drive mechanism drives, shearing and U-shaped bending mechanism comprise a positioning scissors stripping and slicing being fixedly installed and punching bending piece and punching bending driver train, described positioning scissors stripping and slicing is provided with slides plane, slide plane and be provided with wire vent hole, described punching bending piece is provided with shear blade, described punching bending driver train drives punching bending piece that shear blade is pasted and slides planar reciprocating, described wire vent hole exits is in shear blade path of motion, described shearing and U-shaped bending mechanism are also provided with one for clamping the chuck of the steel wire section that is sheared, described chuck is block, there are two sides that are parallel to each other, distance between two sides equates with U-shaped staple opening, surface between two sides is provided with the groove matching with steel wire section diametric clearance and forms steel wire section caulking groove, described caulking groove two ends extend to respectively described two sides vertical with it, described punching bending piece is provided with the stamped groove of the groove formation that the distance gap between width and two sides of chuck matches, stamped groove end and the chuck of described punching bending piece are oppositely arranged, sense of motion and the described parallel sided of described punching bending piece, in the path of motion of described chuck in described stamped groove, described stamped groove sidewall and the corresponding position of caulking groove are provided with the groove matching with steel wire section diametric clearance along sense of motion, described top presses binder mechanism to comprise bookbinding module, push rod and a top rod driving device that is provided with a pair of pit, described push rod end is oppositely arranged with bookbinding module, described chuck between bookbinding module and push rod, the sense of motion of described push rod and described parallel sided.

Compared with prior art, pneumatic binding apparatus of the present utility model is pressed binder mechanism by wire drive feeder, shearing and U-shaped bending mechanism and top are set, and by actuating device, is driven the steel wire that completes successively respectively delivered constant length, blocks, steel wire is done to U-shaped bending and bookbinding action.What adopt due to this binding apparatus is that steel wire coil carries out feed, therefore can continuous working, be applicable to continuously, automatically working requirement, and work efficiency greatly improves.

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

Accompanying drawing explanation

Accompanying drawing 1 is the utility model specific embodiment perspective view;

Accompanying drawing 2 is one of the utility model specific embodiment spatial structure decomposing schematic representation;

Accompanying drawing 3 is Fig. 2 I portion partial enlarged drawing;

Accompanying drawing 4 is two of the utility model specific embodiment spatial structure decomposing schematic representation;

Accompanying drawing 5 is the utility model specific embodiment structural front view;

Accompanying drawing 6 is Fig. 5 B-B cutaway view;

Accompanying drawing 7 is the utility model push rod specific embodiment perspective view;

Accompanying drawing 8 is the utility model punching bending piece specific embodiment perspective view;

Accompanying drawing 9 is the utility model Steelwire holding device specific embodiment perspective view;

Accompanying drawing 10 is the utility model specific embodiment push rod and punching bending piece linkage status push rod position view;

Accompanying drawing 11 is the utility model specific embodiment push rod and the non-linkage status push rod of punching bending piece position view;

Accompanying drawing 12 is Figure 11 II portion partial enlarged drawing;

Accompanying drawing 13 is another specific embodiment perspective view of Steelwire holding device of the present invention.

The specific embodiment

As shown in Figure 1, pneumatic binding apparatus comprises wire drive feeder 1, shearing and U-shaped bending mechanism 2 and top pressure binder mechanism 3, described wire drive feeder 1 comprises thread discharge disk 101, two Steelwire holding device 102Ji traction drive mechanisms 103, one of them Steelwire holding device 102 location arranges, and under another Steelwire holding device 102 traction drive mechanism 103 drives, along wire feed route set a distance, moves back and forth unidirectional traction steel wire, shearing and U-shaped bending mechanism 2 comprise a positioning scissors stripping and slicing being fixedly installed and punching bending piece 201 and punching bending driver train 202, described positioning scissors stripping and slicing is provided with slides plane, slide plane and be provided with wire vent hole 203, described punching bending piece 201 is provided with shear blade 204, described punching bending driver train 202 drives punching bending piece 201 that shear blade 204 is pasted and slides planar reciprocating, 203 outlets of described wire vent hole are in shear blade 204 path of motions, arrange like this can guarantee shear blade 204 can paste slide planar slide to 203 exits, wire vent hole by steel wire shearing, described shearing and U-shaped bending mechanism 2 are also provided with one for clamping the chuck 205 of the steel wire section that is sheared, described chuck 205 is block, there are two sides that are parallel to each other, distance between two sides equates with U-shaped staple opening, surface between two sides is provided with the groove matching with steel wire section diametric clearance and forms steel wire section caulking groove 206, in the situation that guaranteeing that steel wire section can be slided in caulking groove 206, gap between caulking groove 206 and steel wire section is as far as possible little, to prevent that steel wire section from coming off and the quality of U-shaped bending, described caulking groove 206 two ends extend to respectively described two sides vertical with it, described punching bending piece 201 is provided with the stamped groove 207 of the groove formation that the distance gap between width and 205 two sides of chuck matches, stamped groove 207 ends and the chuck 205 of described punching bending piece 201 are oppositely arranged, sense of motion and the described parallel sided of described punching bending piece 201, in the path of motion of described chuck 205 in described stamped groove 207, described stamped groove 207 sidewalls and the corresponding position of caulking groove 206 are provided with the groove 208 matching with steel wire section diametric clearance along sense of motion, described top presses binder mechanism 3 to comprise bookbinding module 301, push rod 302 and a top rod driving device that is provided with a pair of pit, described push rod 302 ends are oppositely arranged with bookbinding module 301, described chuck 205 between bookbinding module 301 and push rod 302, the sense of motion of described push rod 302 and described parallel sided.In this specific embodiment, as shown in Figure 9, described Steelwire holding device 102 is provided with a grip slipper 1021 and grip block 1022, described grip slipper 1021 is provided with the sliding chamber of grip block, bottom, the sliding chamber of described grip block is provided with the seal wire groove 1023 coordinating with steel wire gap, described seal wire groove 1023 front and back connect for steel wire to be passed, described grip block 1022 is slidably disposed in the sliding chamber 1024 of grip block, described grip block 1022 is provided with protruding clamp bar 1025 towards a side of seal wire groove 1023 position corresponding with seal wire groove 1023, described clamp bar 1025 shapes and seal wire groove 1023 gaps match, described Steelwire holding device 102 is also provided with grasping drive unit 1026 and drives grip block 1022 to slide to the clamping of steel wire and relieving in the sliding chamber 1024 of grip block.Certainly, the structure of Steelwire holding device is not unique, described Steelwire holding device can also be to comprise a cramping body 104, as shown in figure 13, in described cramping body 104, be provided with the holder cavity volume 1041 that cross section is echelon form, described cramping body 104 is provided with the through hole of two side line of centerss of the vertical trapezoidal upper bottom of correspondence through holder cavity volume 1041, described through hole intermittently coordinates and forms steel wire perforation 1042 with steel wire diameter, in described holder cavity volume 1041, be provided with a pair of columned clamp bar 105, in described holder cavity volume 1041, be also provided with Compress Spring 106 and described a pair of clamp bar 105 elasticity pressed to the side on the trapezoidal narrower side base of correspondence of holder cavity volume 1041, the lateral width on the trapezoidal narrower side base of correspondence of described holder cavity volume 1041 is less than a pair of clamp bar 105 and gauge of wire sum.Identical Steelwire holding device arranges two equally, and one is fixedly installed, and another is mounted slidably, steel wire penetrates from the side on the trapezoidal narrower side base of correspondence of described holder cavity volume 1041, opposite side passes, and the direction of two Steelwire holding device settings is consistent.When the Steelwire holding device slide arranging is when (from the trapezoidal narrower side direction of correspondence compared with cross direction) is mobile forward, because the lateral width on the trapezoidal narrower side base of correspondence of described holder cavity volume 1041 is less than a pair of clamp bar 105 and gauge of wire sum, therefore steel wire will be clamped and cannot retreat and by front haulage by a pair of clamp bar 105, and the Steelwire holding device being fixedly installed is because steel wire is now to move compared with cross direction from the trapezoidal narrower side direction of correspondence, holder cavity volume 1041 width broaden, and described a pair of clamp bar 105 will unclamp and allow steel wire to move; When steel wire will be by after traction puts in place forward, in the time of the reverse mobile return of Steelwire holding device that slide to arrange, just contrary, complete thus a wire feed action.Grasping drive unit 1026 can be various ways, as electromagnetic mechanism drives, selects air cylinder driven in this specific embodiment, works comparatively reliable.As shown in Fig. 2-8, described in this specific embodiment, shearing and U-shaped bending mechanism 2 are provided with substrate, and described punching bending piece 201 is rectangular strip, and described substrate is provided with the chute 209 matching with punching bending piece 201, and described substrate forms described positioning scissors stripping and slicing.Two rectangle sticks that chute 209 also can be arranged on substrate by parallel interval form, between distance equal chute 209 width, described in forming, chute 209 sidewalls slide plane, chute 209 sidewalls are provided with the thread eye of the perforation of passing for steel wire, wire vent hole 203 described in the export mixes of thread eye on chute 209 sidewalls, described punching bending piece 201 is slidably disposed in chute 209.Described punching bending piece 201 front ends are preferably provided with high hardness alloy piece 20B near being provided with wire vent hole 203 1 sides, and the front end corner angle of alloy block 20B form described shear blade 204, like this can be more durable.As Fig. 3, shown in 6, the substrate in described punching bending piece 201 the place aheads is provided with chuck cavity volume, the preferred rectangle of cross sectional shape of chuck cavity volume, the cross sectional shape of described chuck 205 is similarly rectangle to facilitate making, described chuck 205 is arranged in chuck cavity volume, in described chuck cavity volume, be also provided with flexible restoring organ, the top of described chuck 205 can elasticity be exposed and bounce back, described caulking groove 206 is arranged on chuck 205 tops, when expose at chuck 205 tops, described caulking groove 206 is in a straight line with thread eye, described stamped groove 207 is arranged on punching bending piece 201 in the one side of substrate, stamped groove 207 cross sections are preferably rectangle, the highly corresponding position of described stamped groove 207 sidewalls and caulking groove 206 is provided with along sense of motion the groove 208 that the degree of depth and width and steel wire section diametric clearance match, described push rod 302 is rectangular strip, described push rod 302 cross sectional shapes and free-running fit identical with stamped groove 207 is in stamped groove 207, described bookbinding module 301 is arranged on the substrate of chuck 205 with respect to the opposite side of push rod 302, and described push rod 302 ends are oppositely arranged with bookbinding module 301, for the steel wire section (staple) after U-bend folding can automatically be shifted out in the groove 208 that enters stamped groove 207 sidewalls punching bending piece 201 as last bookbinding is ready from the caulking groove 206 of chuck 205, described chuck 205 is inclined-plane or cambered surface setting towards a side of push rod 302, push rod 302 is preferably also inclined-plane or cambered surface setting towards the bottom of a side of described chuck 205, such setting, when push rod 302 ends touch after chuck 205, effect due to inclined-plane, chuck 205 will be pressed downward and be retracted in chuck cavity volume, steel wire section (staple) after U-bend folding can the groove 208 of frame on stamped groove 207 two sides on.Between described push rod 302 and punching bending piece 201, be provided with link gear, at punching bending piece 201, move ahead and carry out in U-bend folding process, described link gear makes

push rod

302 and 201 interlocks of punching bending piece, after U-bend has been rolled over, push rod 302 departs from interlock with punching bending piece 201, in push rod 302 return processes, described link gear makes

push rod

302 and 201 interlocks of punching bending piece complete return simultaneously.The object that link gear is set is in order to simplify action, reduces setting and the simplification device structure of driver train.In this specific embodiment, as shown in Fig. 2-8, link gear is specific as follows: in the bottom of described chute 209, be also provided with recessed push rod interlock chute 20A, described push rod 302 simultaneously free-running fit links in chute 20A and stamped groove 207 in push rod, described push rod 302 is provided with STATEMENT OF FEDERALLY SPONSORED cavity volume 3021 towards the two sides of push rod interlock chute 20A and stamped groove 207 sidewalls, in STATEMENT OF FEDERALLY SPONSORED cavity volume 3021, being provided with can elastic telescopic or one end STATEMENT OF FEDERALLY SPONSORED 303 that can swing, stamped groove 207 sidewalls of described punching bending piece 201 are provided with the interlock pit 20C matching with STATEMENT OF FEDERALLY SPONSORED 303 ends, the leading portion of described push rod interlock chute 20A (i.e. the side with bookbinding module 301 near chuck 205) is narrower, basic and push rod 302 is wide, to guarantee that STATEMENT OF FEDERALLY SPONSORED 303 is retracted in STATEMENT OF FEDERALLY SPONSORED cavity volume 3021, and back segment is wider, space between its sidewall and push rod 302 will be enough to make end that STATEMENT OF FEDERALLY SPONSORED 303 exposes can be stuck in reliably in the interlock pit 20C on stamped groove 207 sidewalls of punching bending piece 201 to form interlock, sidewall between the section of front and back is connected and is made the smooth and easy slip of push rod 302 energy by inclined-plane 20D, and by inclined-plane 20D effect, STATEMENT OF FEDERALLY SPONSORED 303 is pushed back in STATEMENT OF FEDERALLY SPONSORED cavity volume 3021, described STATEMENT OF FEDERALLY SPONSORED 303 exposes end in the wider back segment of push rod interlock chute 20A time, described STATEMENT OF FEDERALLY SPONSORED 303 is received to STATEMENT OF FEDERALLY SPONSORED cavity volume 3021 and is formed described link gear in end in the narrower leading portion of push rod interlock chute 20A time.The position of inclined-plane 20D is suitable, when push rod 302 slides to forward together with punching bending piece 201 front end that chuck 205 enters the stamped groove 207 of punching bending piece 201 completely, complete U-bend folding, now the position of described STATEMENT OF FEDERALLY SPONSORED 303 should just be positioned at the 20D place, inclined-plane of section transition before and after described push rod interlock chute 20A.

Described link gear is not limited to above-mentioned a kind of structure, can also be to coordinate with the set bar of electromagnetic control by travel switch, but structure is comparatively complicated, repeats no more herein.

In pneumatic binding apparatus, described traction drive mechanism 103, punching bending driver train 202 preferably adopts air cylinder driven mechanism, in this specific embodiment, described shearing and U-shaped bending mechanism 2 and top press binder mechanism 3 to be installed on an adapter plate 6, described shearing and U-shaped bending mechanism 2 are arranged on side by side top and press binder mechanism 3 one sides, as the actuating device traction cylinder of traction drive mechanism and punching bending driver train and punching cylinder, be also fixed on side by side to state and shear and the rear side of binder mechanism 3 is pressed on U-shaped bending mechanism 2 and top, the piston of described punching cylinder parallels with push rod 302 axis, piston nose is fixedly connected with push rod 302 ends, two holding devices 102 one in front and one in back arrange, holding device 102 is above that fixed clamp device 102A is fixedly installed, holding device 102 below draws holding device 102B slip and arranges, the piston of traction cylinder is fixedly connected with the grip slipper 1021 arranging in holding device 102 that slides, and the stroke distances of the piston of traction cylinder is the length of staple steel wire used.For wire feed more swimmingly, in this binding apparatus, between thread discharge disk 101 and traction holding device 102B, be provided with curved baffle 4, between seal wire groove 1023 outlets of fixed clamp device 102A and the import in wire vent hole 203 on described positioning scissors piece, be provided with wire leading pipe 5 and be connected.

Certainly, described traction drive mechanism, punching bending driver train can be also electromagnetic drive mechanism or motor-driven mechanism.

The working process of pneumatic binding apparatus is as follows: first, fixed clamp device 102A unclamps steel wire, and traction holding device 102B clamping steel wire, under the driving of traction cylinder, steel wire is a bit of to front haulage subsequently, follow fixed clamp device 102A clamping steel wire, traction holding device 102B unclamps steel wire, traction cylinder driving under get back to initial position, and simultaneously, punching air cylinder driven push rod 302 is to front slide, as shown in figure 10, because the position of STATEMENT OF FEDERALLY SPONSORED 303 is now in the wider back segment of interlock chute 20A, the end that STATEMENT OF FEDERALLY SPONSORED 303 exposes is stuck in the interlock pit 20C on stamped groove 207 sidewalls of punching bending piece 201 and forms interlock, punching bending piece 201 continues to front slide with push rod 302, to chuck 205, progress into the front end of the stamped groove 207 of punching bending piece 201, by the sidewall of stamped groove 207 and two sides of chuck 205 U-bend that interacted, roll over, when push rod 302 ends touch after chuck 205, effect due to inclined-plane 20D, chuck 205 will be pressed downward and be retracted in chuck cavity volume, steel wire section (staple) after U-bend folding can the groove 208 of frame on stamped groove 207 two sides on, when sliding to forward together with punching bending piece 201 front end that chuck 205 enters the stamped groove 207 of punching bending piece 201 completely, push rod 302 completes U-bend folding, now the position of described STATEMENT OF FEDERALLY SPONSORED 303 starts to arrive the 20D place, inclined-plane that is positioned at described push rod interlock chute 20A front and back section transition, when punching bending piece 201 and push rod 302 continue to front slide, STATEMENT OF FEDERALLY SPONSORED 303 is in the narrower leading portion of interlock chute 20A time, in the end of STATEMENT OF FEDERALLY SPONSORED 303, receive to STATEMENT OF FEDERALLY SPONSORED cavity volume 3021, interlock pit 20C on stamped groove 207 sidewalls of disengaging punching bending piece 201, push rod 302 departs from interlock with punching bending piece 201, as shown in figure 11, push rod 302 continues to front slide separately under punching air cylinder driven, steel wire section (staple) after promotion U-bend folding, to binding module 301, completes the workpiece between chuck 205 and bookbinding module 301 is bound, push rod 302 reverse slide under the driving of punching cylinder subsequently, when STATEMENT OF FEDERALLY SPONSORED 303 is to interlock during the wider place of chute 20A back segment, expose STATEMENT OF FEDERALLY SPONSORED 303 ends, again be stuck in the interlock pit 20C on stamped groove 207 sidewalls of punching bending piece 201 and form interlock, punching is bent to piece 201 and be together returned to initial position, prepare action next time.

Claims

1. a pneumatic binding apparatus, it is characterized in that: comprise wire drive feeder, shearing and U-shaped bending mechanism and top pressure binder mechanism, described wire drive feeder comprises thread discharge disk, two Steelwire holding devices and traction drive mechanism, one of them Steelwire holding device location arranges, and another Steelwire holding device moves back and forth unidirectional traction steel wire along wire feed route set a distance under traction drive mechanism drives, shearing and U-shaped bending mechanism comprise a positioning scissors stripping and slicing being fixedly installed and punching bending piece and punching bending driver train, described positioning scissors stripping and slicing is provided with slides plane, slide plane and be provided with wire vent hole, described punching bending piece is provided with shear blade, described punching bending driver train drives punching bending piece that shear blade is pasted and slides planar reciprocating, described wire vent hole exits is in shear blade path of motion, described shearing and U-shaped bending mechanism are also provided with one for clamping the chuck of the steel wire section that is sheared, described chuck is block, there are two sides that are parallel to each other, distance between two sides equates with U-shaped staple opening, surface between two sides is provided with the groove matching with steel wire section diametric clearance and forms steel wire section caulking groove, described caulking groove two ends extend to respectively described two sides vertical with it, described punching bending piece is provided with the stamped groove of the groove formation that the distance gap between width and two sides of chuck matches, stamped groove end and the chuck of described punching bending piece are oppositely arranged, sense of motion and the described parallel sided of described punching bending piece, in the path of motion of described chuck in described stamped groove, described stamped groove sidewall and the corresponding position of caulking groove are provided with the groove matching with steel wire section diametric clearance along sense of motion, described top presses binder mechanism to comprise bookbinding module, push rod and a top rod driving device that is provided with a pair of pit, described push rod end is oppositely arranged with bookbinding module, described chuck between bookbinding module and push rod, the sense of motion of described push rod and described parallel sided.

2. pneumatic binding apparatus according to claim 1, it is characterized in that: described Steelwire holding device is provided with a grip slipper and grip block, described grip slipper is provided with the sliding chamber of grip block, bottom, the sliding chamber of described grip block is provided with the seal wire groove coordinating with steel wire gap, before and after described seal wire groove, connect, described grip block is slidably disposed in the sliding chamber of grip block, described grip block is provided with protruding press strip towards a side of the seal wire groove position corresponding with seal wire groove, described press strip shape and seal wire groove gap match, described Steelwire holding device is also provided with grasping drive unit and drives grip block to slide to the clamping of steel wire and relieving in the sliding chamber of grip block.

3. pneumatic binding apparatus according to claim 1, it is characterized in that: described Steelwire holding device comprises a cramping body, in described cramping body, be provided with the holder cavity volume that cross section is echelon form, described cramping body is provided with the through hole of two side line of centerss of the vertical trapezoidal upper bottom of correspondence through holder cavity volume, described through hole intermittently coordinates and forms steel wire perforation with steel wire diameter, in described holder cavity volume, be provided with a pair of columned clamp bar, in described holder cavity volume, be also provided with the side on the trapezoidal narrower side base of correspondence that Compress Spring presses to holder cavity volume by described a pair of clamp bar elasticity, the lateral width on the trapezoidal narrower side base of correspondence of described holder cavity volume is less than a pair of clamp bar and gauge of wire sum.

4. pneumatic binding apparatus according to claim 3, is characterized in that: described grasping drive unit is air cylinder driven mechanism.

5. pneumatic binding apparatus according to claim 3, is characterized in that: described grasping drive unit is electromagnetic drive mechanism.

6. pneumatic binding apparatus according to claim 1, it is characterized in that: described shearing and U-shaped bending mechanism are provided with substrate, described punching bending piece is rectangular strip, described substrate is provided with the chute matching with punching bending piece, described substrate forms described positioning scissors stripping and slicing, chute wall slides plane described in forming, chute wall is provided with the thread eye of the perforation of passing for steel wire, wire vent hole described in the export mixes of thread eye chute wall one side, described punching bending piece is slidably disposed in chute, described punching bending piece front end is provided with high hardness alloy piece near being provided with wire vent hole one side, the front end corner angle of alloy block form described shear blade, the substrate in described punching bending piece the place ahead is provided with chuck cavity volume, described chuck is arranged in chuck cavity volume, in described chuck cavity volume, be also provided with flexible restoring organ, the top of described chuck can elasticity be exposed and bounce back, described caulking groove is arranged on chuck top, when expose at chuck top, described caulking groove and thread eye are in a straight line, and described stamped groove is arranged on punching bending piece in the one side of substrate, described push rod is rectangular strip, described push rod cross sectional shape and free-running fit identical with stamped groove is in stamped groove, described bookbinding module is arranged on the substrate of chuck with respect to the opposite side of push rod, described push rod end is oppositely arranged with bookbinding module, between described push rod and punching bending piece, be provided with link gear, at punching bending piece, move ahead and carry out in U-bend folding process, described link gear makes push rod and the interlock of punching bending piece, after U-bend has been rolled over, push rod and punching bending piece depart from interlock, in push rod return process, described link gear makes push rod and the interlock of punching bending piece complete return simultaneously.

7. pneumatic binding apparatus according to claim 6, it is characterized in that: the bottom of described drift chute is also provided with recessed push rod interlock chute, described push rod simultaneously free-running fit links in chute and stamped groove in push rod, described push rod is provided with STATEMENT OF FEDERALLY SPONSORED cavity volume towards the two sides of push rod interlock chute and stamped groove sidewall, in STATEMENT OF FEDERALLY SPONSORED cavity volume, being provided with can elastic telescopic or one end STATEMENT OF FEDERALLY SPONSORED that can swing, the stamped groove sidewall of described punching bending piece is provided with the interlock pit matching with STATEMENT OF FEDERALLY SPONSORED end, the narrower back segment of leading portion of described push rod interlock chute is wider, sidewall between the section of front and back is connected by inclined-plane, described STATEMENT OF FEDERALLY SPONSORED exposes end in the wider back segment of push rod interlock chute time, described STATEMENT OF FEDERALLY SPONSORED is received to STATEMENT OF FEDERALLY SPONSORED cavity volume and is formed described link gear in end in the narrower leading portion of push rod interlock chute time.

8. according to the pneumatic binding apparatus described in claim 1-7 any one, it is characterized in that: described traction drive mechanism, punching bending driver train are air cylinder driven mechanism or motor-driven mechanism.

9. according to the pneumatic binding apparatus described in claim 1-7 any one, it is characterized in that: described traction drive mechanism, punching bending driver train are electromagnetic drive mechanism or motor-driven mechanism.