CN218559272U

CN218559272U - Hand-held full-automatic belt bundling machine

Info

Publication number: CN218559272U
Application number: CN202222196887.9U
Authority: CN
Inventors: 邹秋水
Original assignee: Dongguan Haiwenneng Mechanical Equipment Co ltd
Current assignee: Dongguan Haiwenneng Mechanical Equipment Co ltd
Priority date: 2022-08-20
Filing date: 2022-08-20
Publication date: 2023-03-03
Anticipated expiration: 2032-08-20

Abstract

The utility model discloses a full-automatic banding machine of hand-held type, which comprises a bod, be equipped with automatic ribbon mechanism on the organism, automatic ribbon mechanism includes the automatic ribbon body, be equipped with the conveyer pipe on the automatic ribbon body, be used for accomplishing the locating component of automatic bundling article action, motor element, control motor element opens and stops and the switch module of locating component action, the gear subassembly that is used for taking tight ribbon, the response subassembly that is used for the response action, the cutting assembly who is used for cutting the tails after the ribbon is tied up, the waste discharge subassembly that is used for the waste discharge after the cutting, the utility model discloses full-automatic banding machine of hand-held type, its structure is more simple and convenient for the banding machine among the prior art, when lightening operating personnel's hand burden, makes it more durable, through the control switch action, makes tying up of ribbon afterbody and the action of cutting smooth completion in proper order, the utility model discloses full-automatic banding machine of hand-held type uses more portably, and work efficiency is higher, is fit for the assembly line operation of mass.

Description

Hand-held full-automatic belt bundling machine

Technical Field

The utility model relates to a prick tape unit technical field specifically is a full-automatic prick tape unit of hand-held type.

Background

To the trade that contacts a large amount of tying up article in daily work, the full-automatic ribbon machine of hand-held type uses comparatively extensively, to this type of trade, through the packing of accomplishing article that uses the full-automatic ribbon machine of hand-held type can be very rapid, very save time and energy to selling or post.

Secondly, because the action of the hand-held full-automatic strapping machine is fixed, the strapping effect is more stable, and the strapping uniformity is better. The product through the packing of the full-automatic bundling machine of hand-held type is not only fast for artifical packing, and is more pleasing to the eye moreover, and the cost that reduces the enterprise is simultaneously the effect better.

However, as described in the utility model patent with application number CN201520570574.2, "comprises a feeding mechanism for feeding the ribbon into the feeding pipeline, a trigger mechanism, a ribbon-passing mechanism, a ribbon-tightening mechanism, a ribbon-cutting mechanism and a transmission mechanism; the feeding mechanism is provided with a closed air blowing device which blows the ribbon into the feeding pipeline and blows the ribbon of the feeding pipeline into the ribbon penetrating mechanism, and the trigger mechanism is connected with the closed air blowing device; the transmission mechanism is respectively in driving connection with the band tensioning mechanism and the band cutting mechanism; feeding mechanism passes through the pipeline of feeding and links to each other with the one end of wearing ribbon mechanism, the other end of wearing ribbon mechanism passes through ribbon straining device and links to each other with ribbon shutdown mechanism "and the patent that patent number is CN 202022544627.7" the one end of organism is equipped with the gaseous pipeline of feeding of blowing the ribbon with gas through square rubber tube, the other end of organism is equipped with automatic ribbon mechanism, automatic ribbon mechanism includes switch module, motor element, gear assembly, locating component, sensing component, cutting assembly and waste discharge subassembly, switch module corresponds the setting with motor element to drive motor element work, motor element corresponds the setting with the gear assembly, and drive gear assembly drives the ribbon and tightens up, locating component also the gear assembly corresponds the setting to the action of accomplishing automatic tying up article of drive ribbon, cutting assembly corresponds the setting with the gear assembly for the tails after the cutting ribbon is tied up, the waste discharge gets rid of subassembly and corresponds the setting with cutting assembly, is used for the waste discharge after will cutting, sensing assembly is used for whether the action of response motor element, gear assembly and cutting assembly is accomplished.

The problem that the structure of an existing handheld full-automatic belt binding machine is too complex exists, the binding and cutting processes are not coherent enough, the action is not smooth enough in the using process, and the working efficiency is influenced in the batched flow line operation process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme:

a hand-held full-automatic belt binding machine comprises a machine body, wherein an automatic belt binding mechanism is arranged on the machine body, and a gas feeding pipeline for blowing a binding belt is arranged between the automatic belt binding mechanism and the machine body;

the automatic binding tape mechanism comprises an automatic binding tape body, wherein a conveying pipe, a positioning assembly, a motor assembly, a switch assembly, a gear assembly, an induction assembly, a cutting assembly and a waste discharging assembly are arranged on the automatic binding tape body, the positioning assembly is used for finishing the action of automatically binding objects, the switch assembly is used for controlling the starting and the stopping of the motor assembly and the action of the positioning assembly, the gear assembly is used for binding the binding tape, the induction assembly is used for inducing the action, the cutting assembly is used for cutting the tailing bound by the binding tape, and the waste discharging assembly is used for discharging the cut waste;

the gas feeding pipeline is communicated with the conveying pipe, a through hole is formed in the side face of the conveying pipe, the positioning assembly is arranged at the end of the conveying pipe and corresponds to the through hole, the cutting assembly is arranged above the conveying pipe and close to the through hole, the gear assembly is arranged at the upper end of the cutting assembly, and the waste discharging assembly is arranged above the gear assembly;

the motor assembly comprises a first motor and a second motor, the first motor is in transmission connection with the gear assembly, the second motor is connected with the cutting assembly, the sensing assembly comprises a first sensing assembly and a second sensing assembly, the first sensing assembly is electrically connected with the first motor, the second sensing assembly is electrically connected with the second motor, the first sensing assembly corresponds to the punching hole, and the second sensing assembly corresponds to the switch assembly.

As a further aspect of the present invention: locating component locates first locating pawl and locating pawl two on the automatic ribbon body including rotating, first locating pawl rotates with the switch module to be connected, locating pawl two rotates with the cutting assembly to be connected, first locating pawl corresponds with locating pawl two and encloses into an annular, first locating pawl is equipped with first guide way and second guide way respectively with the medial surface of locating pawl two, first guide way and conveyer pipe intercommunication, first guide way is equipped with the spacing portion that is used for fixing a position the ribbon head with the junction of conveyer pipe, spacing portion corresponds the setting with the lower extreme opening of wearing hole, the ribbon afterbody advances along the second guide way under the action of switch module, in the wearing hole, the ribbon accomplishes the automatic tying up action.

As a further aspect of the present invention: the working end of first motor is equipped with motor gear, the gear assembly includes the tightening gear that is used for tightening up the ribbon and locates and be used for driven drive gear between motor gear and the tightening gear, motor gear and drive gear meshing transmission, tightening gear includes and locates first gear and the gear second on the automatic ribbon body through the axis of rotation, motor gear drive gear is rotatory, first drive gear rotation of drive gear, first drive gear second rotates, be equipped with first ratchet and the second ratchet of axis coincidence and fixed connection respectively on first gear and gear second, be equipped with the position of tightening of mutual butt complex between first ratchet and the second ratchet, tighten up the position and locate the upper end opening part of wearing the hole, first ratchet and second ratchet cooperation drive ribbon tighten up.

As a further aspect of the present invention: the second motor includes linear electric motor, and cutting assembly includes sliding fit's cutting block on the automatic ribbon body, cutting block and the working end fixed connection of second motor, and the rotation of positioning claw two is connected on cutting block.

As a further aspect of the present invention: the waste material removing assembly comprises a discharging block arranged above the first ratchet wheel and the second ratchet wheel, a discharging hole is formed in the discharging block, and the opening at the lower end of the discharging hole corresponds to the tightening position between the first ratchet wheel and the second ratchet wheel and is used for discharging cut waste materials.

As a further aspect of the present invention: the first induction assembly and the second induction assembly respectively comprise a first infrared inductor arranged in the through hole and a second infrared inductor arranged above the first induction block.

As a further aspect of the present invention: the machine body is also provided with a feeding mechanism, and the feeding mechanism comprises a circular vibrating disc for placing scattered ribbons and a material pushing device for receiving the arranged ribbons; a material sensor for sensing whether material exists is arranged on the material pushing device; the ribbon sequentially vibrates through the circular vibration disc and then falls onto the material pushing device, and the ribbon on the material pushing device is blown into the gas feeding pipeline through the closed blowing device.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses full-automatic bundling machine of hand-held type, its structure is for the more simple and convenient of bundling machine among the prior art, when lightening operating personnel's hand burden, makes it more durable, through the control switch action, makes tying up of ribbon afterbody and the smooth completion in proper order of the action of cutting, the utility model discloses full-automatic bundling machine of hand-held type uses more portably, and work efficiency is higher, is fit for the assembly line operation of mass.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a top view of the interior of the present invention;

FIG. 3 is a perspective view of the automatic band binding mechanism of the present invention;

FIG. 4 is a perspective view of the internal structure of the automatic band binding mechanism of the present invention;

fig. 5 is a perspective view of another internal structure of the automatic band binding mechanism of the present invention;

FIG. 6 is a front view of the internal structure of the automatic tie mechanism of the present invention;

fig. 7 is a top view of the internal structure of the automatic tie mechanism of the present invention;

fig. 8 is a perspective view of the switch assembly, the positioning assembly and the conveying pipe of the present invention;

the reference numerals and names in the figures are as follows:

the automatic band-forming machine comprises a machine body-1, an automatic band-forming mechanism-2, a gas feeding pipeline-3, an automatic band-forming body-21, a conveying pipe-22, a positioning component-23, a motor component-24, a switch component-25, a gear component-26, a sensing component-27, a cutting component-28, a waste discharging component-29, a through hole-221, a first motor-241, a second motor-242, a first sensing component-271, a second sensing component-272, a first positioning claw-231, a second positioning claw-232, a motor gear-261, a transmission gear-262, a tightening gear-263, a first gear-264, a second gear-265, a first ratchet-266, a second ratchet-267, a tightening position-268, a cutting block-281, a discharging block-291, a discharge hole-292, a switch crank-251, a transmission rod-252, a first sensing block-253, a feeding mechanism-4, a circular vibration disc-41, a material pushing device-42 and a material sensor-43.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-8, a hand-held full-automatic belt binding machine comprises a machine body 1, an automatic belt binding mechanism 2 is arranged on the machine body 1, a gas feeding pipeline 3 for blowing a binding belt is arranged between the automatic belt binding mechanism 2 and the machine body 1,

the automatic band binding mechanism 2 comprises an automatic band binding body 21, wherein a conveying pipe 22, a positioning assembly 23 for finishing the action of automatically binding objects, a motor assembly 24, a switch assembly 25 for controlling the starting and stopping of the motor assembly 24 and the action of the positioning assembly 23, a gear assembly 26 for binding a band, a sensing assembly 27 for sensing the action, a cutting assembly 28 for cutting the tail materials bound by the band and a waste material discharging assembly 29 for discharging the cut waste materials are arranged on the automatic band binding body 21;

the gas feeding pipeline 3 is communicated with the conveying pipe 22, a penetrating hole 221 is formed in the side face of the conveying pipe 22, the positioning assembly 23 is arranged at the end portion of the conveying pipe 22 and corresponds to the penetrating hole 221, the cutting assembly 28 is arranged above the conveying pipe 22 and close to the penetrating hole 221, the gear assembly 26 is arranged at the upper end of the cutting assembly 28, and the waste discharging assembly 29 is arranged above the gear assembly 26;

the motor assembly 24 comprises a first motor 241 in transmission connection with the gear assembly 26 and a second motor 242 in transmission connection with the cutting assembly 28, the sensing assembly 27 comprises a first sensing assembly 271 in electrical connection with the first motor 241 and a second sensing assembly 272 in electrical connection with the second motor 242, the first sensing assembly 271 is arranged corresponding to the through hole 221, and the second sensing assembly 272 is arranged corresponding to the switch assembly 25;

in the using process, an object to be bundled is placed in the working range of the positioning assembly 23, the ribbon is conveyed into the conveying pipe 22 in a gas blowing mode through the gas conveying pipeline 3, the ribbon is conveyed to the position of the positioning assembly 23 from the conveying pipe 22, the positioning assembly 23 is driven to move through the switch assembly 25, meanwhile, after the second sensing assembly 272 senses the movement of the switch, the second sensing assembly 272 controls the second motor 242 to start to enable the cutting assembly 28 to move from the reset state to the working state, and after the tail of the ribbon is positioned by the positioning assembly 23, the tail of the ribbon penetrates through the through hole 221 to finish primary bundling of the object to be bundled;

meanwhile, after the first sensing assembly 271 senses the motion of the tail of the strap passing through the through hole 221, the first sensing assembly 271 controls the first motor 241 to start, the first motor 241 drives the gear assembly 26 to move, the strap is tightened under the action of the gear assembly 26, when the strap is tightened to a certain degree, the motion of the tail of the strap passing through the through hole 221 tends to be static, and after the first sensing assembly 271 senses the static state of the tail of the strap, the first sensing assembly 271 controls the first motor 241 to stop working;

after the strap is tightened by the gear assembly 26, the switch assembly 25 is loosened, the second sensing assembly 272 senses the action of the switch assembly 25, the second sensing assembly 272 controls the second motor 242 to start again, the second motor 242 drives the cutting assembly 28 to act, the cutting assembly 28 cuts off the redundant part at the tail of the strap, the cutting assembly 28 is in a reset state after cutting is completed, the cut waste is discharged through the waste discharging assembly 29, binding is completed, at the moment, the switch assembly 25 and the cutting assembly 28 are both in a reset state, one binding action is completed, and the next binding action is facilitated;

the utility model discloses full-automatic bundling machine of hand-held type, its structure is for the more simple and convenient of bundling machine among the prior art, when lightening operating personnel's hand burden, makes it more durable, through the control switch action, makes tying up of ribbon afterbody and the smooth completion in proper order of the action of cutting, the utility model discloses full-automatic bundling machine of hand-held type uses more portably, and work efficiency is higher, is fit for the assembly line operation of mass.

In the embodiment of the present invention, the positioning assembly 23 includes a first positioning pawl 231 and a second positioning pawl 232 rotatably disposed on the automatic band body 21, the first positioning pawl 231 is rotatably connected to the switch assembly 25, the second positioning pawl 232 is rotatably connected to the cutting assembly 28, the first positioning pawl 231 and the second positioning pawl 232 are correspondingly enclosed into a ring, the first positioning pawl 231 and the second positioning pawl 232 are respectively provided with a first guide groove and a second guide groove on the inner side surface, the first guide groove is communicated with the conveying pipe 22, the joint of the first guide groove and the conveying pipe 22 is provided with a limiting portion for positioning the head of the band, the limiting portion is correspondingly disposed with the lower opening of the through hole 221, the tail of the band moves forward along the second guide groove under the action of the switch assembly 25, the band penetrates into the through hole 221, and the band completes the automatic bundling action;

after the ribbon blows conveyer pipe 22 through gas conveying pipe 3, the ribbon enters into the second guide way through conveyer pipe 22 way, ribbon head screens is in spacing portion, the ribbon is at the gliding in-process to the second guide way, press switch subassembly 25, second response subassembly 272 senses the action of switch after, second response subassembly 272 control second motor 242 starts to make cutting assembly 28 move to operating condition by the reset condition, cutting assembly 28's motion drives positioning pawl two 232 to positioning pawl one 231 cooperation motion, the afterbody of ribbon slides to first guide way through the second guide way, press switch subassembly 25's action simultaneously, drive positioning pawl one 231 to positioning pawl two 232 motion, through positioning pawl one 231 and positioning pawl two 232 cooperation motion, make the ribbon afterbody penetrate to hole 221 through second guide way and first guide way, spacing portion corresponds the setting with the lower extreme opening that penetrates hole 221 and makes the afterbody of ribbon to the head of ribbon, the ribbon action that the ribbon was tentatively tied up is accomplished.

In the embodiment of the present invention, the working end of the first motor 241 is provided with a motor gear 261, the gear assembly 26 includes a tightening gear 263 for tightening the strap and a transmission gear 262 disposed between the motor gear 261 and the tightening gear 263 for transmission, the motor gear 261 and the transmission gear 262 are in meshing transmission, the tightening gear 263 includes a first gear 264 and a second gear 265 disposed on the automatic strap body 21 through a rotation shaft, the motor gear 261 drives the transmission gear 262 to rotate, the first gear 262 drives the first gear 264 to rotate, the first gear 264 drives the second gear 265 to rotate, the first gear 264 and the second gear 265 are respectively provided with a first ratchet 266 and a second ratchet 267 which are overlapped and fixedly connected with each other, a tightening position 268 which is abutted against and matched with each other is disposed between the first ratchet 266 and the second ratchet 267, the tightening position 268 is disposed at an upper end opening of the through hole 221, and the first ratchet 266 and the second ratchet 267 are matched to drive the tightening of the strap;

after the tail of the strap penetrates out of the penetrating hole 221, after the first sensing assembly 271 senses the action of the strap, the first sensing assembly 271 controls the first motor 241 to start, the first motor 241 sequentially drives the motor gear 261, the transmission gear 262 and the first gear to rotate in a combined manner, the first ratchet wheel 266 is overlapped with the axis of the first gear 264 and fixedly connected with the first gear, the second ratchet wheel 267 is overlapped with the axis of the second gear 265 and fixedly connected with the second gear, the first gear 264 drives the first ratchet wheel 266 to rotate, the first ratchet wheel 266 rotates to drive the second ratchet wheel 267 to be driven, and after the tail of the strap penetrates into the tightening position 268, the tail of the strap is tightened under the matched rotation of the first ratchet wheel 266 and the second ratchet wheel 267;

in one embodiment, the first ratchet 266 and the second ratchet 267 are made of elastic rubber, which facilitates the tightening of the tail of the strap;

in one embodiment, the first electric machine 241 comprises a servo motor.

In the embodiment of the present invention, the second motor 242 includes a linear motor, the cutting assembly 28 includes a cutting block 281 sliding fitted on the automatic ribbon body 21, the cutting block 281 is fixedly connected with the working end of the second motor 242, and the second positioning claw 232 is rotatably connected to the cutting block 281;

the bandage is conveyed from the conveying pipe 22 to the position of the second positioning claw 232, the first positioning claw 231 is driven to move through the switch component 25, meanwhile, after the second sensing component 272 senses the switch motion, the second sensing component 272 controls the second motor 242 to start to enable the cutting block 281 to move from the reset state to the working state, the reset state of the cutting component 28 is the state that the cutting block 281 is located at the upper end opening of the positioning hole, the working state of the cutting component 28 is the state that the cutting block 281 moves towards the second positioning claw 232, and the second positioning claw 232 is driven to move towards the first positioning claw 231 by the movement of the cutting block 281.

In the embodiment of the present invention, the waste discharging assembly includes a discharging block 291 disposed above the first ratchet 266 and the second ratchet 267, the discharging block 291 is provided with a discharging hole 292, and the lower opening of the discharging hole 292 corresponds to the tightening position 268 between the first ratchet 266 and the second ratchet 267 for discharging the cut waste;

the waste material can be collected conveniently, and in one embodiment, the upper opening of the discharge hole 292 is communicated with a dust suction pipe for automatic collection of the waste material.

In the embodiment of the present invention, the switch component 25 includes a switch crank 251 and a transmission rod 252 rotationally connected to the switch crank 251, the transmission rod 252 is rotationally connected to the first positioning claw 231, the switch crank 251 is fixedly provided with a first sensing block 253, and the first sensing block 253 is disposed corresponding to the first sensing component 271;

the driving rod 252 is driven to rotate by pressing the switch crank 251, and the first positioning claw 231 is driven to move by the rotation of the driving rod 252, so that the first positioning claw 231 moves towards the second positioning claw 232 in a matched manner;

through the cooperation of first response piece 253 with first response subassembly 271, make the start-stop of first motor 241 can accurate control.

In the embodiment of the present invention, the first sensing element 271 and the second sensing element 272 respectively include a first infrared sensor disposed in the through hole 221 and a second infrared sensor disposed above the first sensing block 253;

the action states of the switch assembly 25 and the strap are detected through the first infrared inductor and the second infrared inductor, so that the starting and stopping control of the first motor 241 and the second motor 242 is accurately performed.

In the embodiment of the utility model, the machine body 1 is also provided with a feeding mechanism 4, the feeding mechanism 4 comprises a circular vibrating disk 41 for placing scattered ribbons and a material pushing device 42 for receiving the arranged ribbons; a material sensor 43 for sensing whether material exists is arranged on the material pushing device 42; the binding belt sequentially vibrates through the circular vibration disc 41 and then falls onto the material pushing device 42, and the binding belt on the material pushing device 42 is blown into the gas feeding pipeline 3 through the closed blowing device;

the band is fed quickly into the gas feed pipe 3 by the feed mechanism 4 and blown into the feed pipe 22 by the blowing device.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A hand-held full-automatic belt binding machine comprises a machine body (1), and is characterized in that an automatic belt binding mechanism (2) is arranged on the machine body (1), and a gas feeding pipeline (3) for blowing a binding belt is arranged between the automatic belt binding mechanism (2) and the machine body (1);

the automatic binding belt mechanism (2) comprises an automatic binding belt body (21), wherein a conveying pipe (22), a positioning assembly (23) for automatically binding objects, a motor assembly (24), a switch assembly (25) for controlling the motor assembly (24) to start and stop and the positioning assembly (23) to act, a gear assembly (26) for binding the binding belt, an induction assembly (27) for inducing the action, a cutting assembly (28) for cutting tailing bound by the binding belt and a waste discharging assembly (29) for discharging cut waste are arranged on the automatic binding belt body (21);

the gas feeding pipeline (3) is communicated with the conveying pipe (22), a penetrating hole (221) is formed in the side face of the conveying pipe (22), the positioning assembly (23) is arranged at the end of the conveying pipe (22) and corresponds to the penetrating hole (221), the cutting assembly (28) is arranged above the conveying pipe (22) and close to the penetrating hole (221), the gear assembly (26) is arranged at the upper end of the cutting assembly (28), and the waste discharging assembly (29) is arranged above the gear assembly (26);

the motor assembly (24) comprises a first motor (241) in transmission connection with the gear assembly (26) and a second motor (242) connected with the cutting assembly (28), the sensing assembly (27) comprises a first sensing assembly (271) electrically connected with the first motor (241) and a second sensing assembly (272) electrically connected with the second motor (242), the first sensing assembly (271) and the penetrating hole (221) are correspondingly arranged, and the second sensing assembly (272) and the switch assembly (25) are correspondingly arranged.

2. The hand-held full-automatic strapping machine as claimed in claim 1, wherein the positioning assembly (23) comprises a first positioning claw (231) and a second positioning claw (232) which are rotatably arranged on the automatic strapping machine body (21), the first positioning claw (231) is rotatably connected with the switch assembly (25), the second positioning claw (232) is rotatably connected with the cutting assembly (28), the first positioning claw (231) and the second positioning claw (232) correspondingly enclose into a ring, inner side surfaces of the first positioning claw (231) and the second positioning claw (232) are respectively provided with a first guide groove and a second guide groove, the first guide groove is communicated with the conveying pipe (22), a limiting part for positioning the head of the strapping tape is arranged at a joint of the first guide groove and the conveying pipe (22), the limiting part is arranged corresponding to a lower end opening of the strapping tape passing hole (221), the tail part of the strapping machine advances along the second guide groove under the action of the switch assembly (25), the strapping tape penetrates into the passing hole (221), and the strapping tape finishes the automatic strapping action.

3. The hand-held full-automatic strapping machine according to claim 2 is characterized in that a motor gear (261) is arranged at the working end of the first motor (241), the gear assembly (26) comprises a tightening gear (263) used for tightening the strap and a transmission gear (262) arranged between the motor gear (261) and the tightening gear (263) and used for transmission, the motor gear (261) is in meshing transmission with the transmission gear (262), the tightening gear (263) comprises a first gear (264) and a second gear (265) which are arranged on the automatic strap body (21) through rotating shafts, the motor gear (261) drives the transmission gear (262) to rotate, the first gear (264) is driven by the transmission gear (262) to rotate, the second gear (265) is driven by the first gear (264) to rotate, a first ratchet (266) and a second ratchet (267) which are fixedly connected and have coincident axes are respectively arranged on the first gear (264) and the second gear (265), a tightening position (268) which is abutted against each other is arranged on an opening of the tightening position (221), and the first ratchet (267) and the tightening position (266) is arranged on an opening of the strap (221), and the second ratchet (267) is matched with the tightening end (267).

4. A hand-held full automatic strapping machine according to claim 3 wherein the second motor (242) comprises a linear motor, the cutting assembly (28) comprises a cutting block (281) which is slidably fitted on the automatic strapping machine body (21), the cutting block (281) is fixedly connected with the working end of the second motor (242), and the second positioning claw (232) is rotatably connected with the cutting block (281).

5. The hand-held full-automatic strapping machine according to claim 4, wherein the waste discharging assembly comprises a discharging block (291) arranged above the first ratchet wheel (266) and the second ratchet wheel (267), a discharging hole (292) is arranged on the discharging block (291), and the opening at the lower end of the discharging hole (292) corresponds to the tightening position (268) between the first ratchet wheel (266) and the second ratchet wheel (267) and is used for discharging the cut waste.

6. The hand-held full-automatic strapping machine according to claim 5, wherein the first sensing element (271) and the second sensing element (272) respectively comprise a first infrared sensor disposed in the through hole (221) and a second infrared sensor disposed above the first sensing block (253).

7. The hand-held full-automatic strapping machine according to claim 6 is characterized in that a feeding mechanism (4) is further arranged on the machine body (1), and the feeding mechanism (4) comprises a circular vibrating disc (41) for placing scattered strapping tapes and a material pushing device (42) for receiving the arranged strapping tapes; a material sensor (43) for sensing whether material exists is arranged on the material pushing device (42); the binding belt sequentially vibrates through the vibration of the circular vibration disc (41) and then falls onto the material pushing device (42), and the binding belt on the material pushing device (42) is blown into the gas feeding pipeline (3) through the closed blowing device.