CN112828572A - Metal ring binding equipment and method - Google Patents

Abstract

The application belongs to the technical field of metal ring binding, and particularly relates to metal ring binding equipment and a method, wherein the metal ring binding equipment comprises a rack main body, a punching device arranged on one side of the upper surface of the rack main body, a pressure ring device arranged on the upper surface of the rack main body, an automatic metal ring conveying device arranged on the rack main body, a traction device arranged on the rack main body and a control box arranged on the rack main body; the punching device, the pressing ring device, the automatic metal ring conveying device and the traction device are all electrically connected with the control box. This application has the advantage that can eliminate the potential safety hazard and reduce staff's working strength.

Description

Metal ring binding equipment and method

Technical Field

The application relates to the technical field of metal ring binding, in particular to metal ring binding equipment and a metal ring binding method.

Background

At present, the metal rings can be pressed and bound in the production process in the industries of spray painting advertisements, lamp boxes, roll screen staffs and the like, manual dotter and semi-automatic dotter are common in the market, and the semi-automatic dotter only needs to manually assist the binding operation of the metal rings due to the fact that the semi-automatic dotter is powered on, so that the semi-automatic dotter gradually becomes the main equipment for binding the metal rings. When a worker uses the semi-automatic dotter, the worker needs to mark the position of the raw material on which the picture is sprayed, and then the worker holds the raw material by hand to mount the metal rings one by one, so that the potential safety hazard that the hands of the worker are easily injured exists, and the labor intensity of the worker is easily increased.

Therefore, a need exists for a metal ring binding apparatus and method that solves the above problems.

Disclosure of Invention

In order to eliminate potential safety hazards and reduce the working strength of workers, the application provides metal ring binding equipment and a metal ring binding method.

In a first aspect, the application provides a metal ring binding device, which comprises a frame main body, a punching device arranged on one side of the upper surface of the frame main body, a pressure ring device arranged on the upper surface of the frame main body, an automatic metal ring conveying device arranged on the frame main body, a traction device arranged on the frame main body and a control box arranged on the frame main body;

the punching device, the pressing ring device, the automatic metal ring conveying device and the traction device are all electrically connected with the control box.

Through adopting above-mentioned technical scheme, the control box starts the back, makes draw gear drive the raw and other materials that need bind the becket and remove to relative opposite side from one side of frame main part like the air brushing cloth, until the position of waiting to install the becket be located perforating device's below can, perforating device punch the completion back with the air brushing cloth, draw gear drives the air brushing cloth and removes to the clamping ring device, and the automatic conveyor of becket carries the assigned position with the becket, then makes the clamping ring device accomplish compressing tightly of becket and bind the work. After the completion, the staff will bind the finished product of good becket take away can, when binding the becket, need not artifical supplementary, avoid producing the potential safety hazard, can also reduce staff's intensity of labour.

Optionally, the punching device comprises an air cylinder arranged on the frame main body, a punching pipe detachably connected with the telescopic end of the air cylinder, and a punching block arranged on the upper surface of the frame main body;

the punching block is provided with a round hole for the bottom end of the punching pipe to pass through;

and the telescopic end of the cylinder drives the punching pipe to vertically move downwards and insert into the punching block to complete punching.

Through adopting above-mentioned technical scheme, its flexible end drives the vertical downstream of punching hole pipe after the cylinder starts, and the round hole on the piece that punches the hole is inserted to the in-process that the pipe that punches the downstream, and the shearing force in the twinkling of an eye makes raw and other materials be punched out and cut out a round hole that is used for binding the becket.

Optionally, a heating wire is arranged on the inner wall of the bottom end of the punching pipe.

Through adopting above-mentioned technical scheme, when the raw and other materials toughness or the thickness that need punch are great, make the heater strip circular telegram back, make the temperature rise of punching the bobbin base end, use hot melt and cut to play simultaneously, accomplish and punch.

Optionally, the ring pressing device comprises a first motor arranged on the frame main body, a bevel gear transmission assembly connected with a power output shaft of the first motor, a cam connected with the power output shaft of the bevel gear transmission assembly, a lower pressing rod arranged on the frame main body and reciprocating in the vertical direction, and a metal ring press-forming block arranged on the frame main body;

the upper end of the lower pressure lever is abutted against the side surface of the cam;

the lower pressure rod is sleeved with a spring which enables the lower pressure rod to reset after being pressed by the cam;

the metal ring press-forming block is provided with an annular groove matched with the lower pressing rod, and the cross section of the annular groove is in the shape of an arc bent outwards.

Through adopting above-mentioned technical scheme, first motor starts the back, drives bevel gear drive assembly and takes place to rotate, then makes the cam rotate, and along with the rotation of cam, the depression bar is driven constantly to move downwards down, and under the bottom of depression bar and the cooperation of becket dress pressure forming block down, messenger's becket is pressed by extrusion and is bound on raw and other materials.

Optionally, the automatic metal ring conveying device comprises a metal ring discharging barrel arranged on the upper surface of the frame main body, a stirrer arranged in the metal ring discharging barrel, a metal ring conveying guide rail which is abutted to the discharge port and is arranged on the side surface of the metal ring discharging barrel, an electric push rod arranged on the upper surface of the frame main body, and a feed rod with one end detachably connected with the telescopic end of the electric push rod, wherein the feed rod penetrates through the side surface of the metal ring conveying guide rail.

Through adopting above-mentioned technical scheme, along with the rotation and the stirring effect of agitator, the becket in the becket ejection of compact section of thick bamboo falls the becket one by one from the position of discharge gate and carries the guide rail on, carries the guide rail downstream along the becket under the action of gravity, at last after electric putter starts, drives the feed lever and pushes away the becket to the position of binding.

Optionally, an arc-shaped plate is arranged at one end, away from the electric push rod, of the feeding rod.

Through adopting above-mentioned technical scheme, the arc of arc and becket more agrees with, and it is more steady when making the pay-off pole send the becket to the position of binding.

Optionally, the traction device includes a second motor installed on the frame main body, a chain transmission assembly connected with a power output shaft of the second motor, a mounting plate connected with the chain transmission assembly, and a plurality of pneumatic fingers installed on the mounting plate.

By adopting the technical scheme, after the second motor is started, the chain transmission assembly is driven to rotate, the mounting plate is enabled to translate along the horizontal direction, the raw materials of the metal rings to be bound are clamped by the pneumatic fingers on the mounting plate to move along the horizontal direction, the processes of punching and metal ring binding are sequentially completed, and after the metal rings of one raw material are bound, the pneumatic fingers loosen, the second motor rotates reversely, and preparation is made for the second metal ring binding work.

Optionally, the device further comprises a plurality of driving rollers arranged on the upper surface of the frame main body at intervals.

Through adopting above-mentioned technical scheme, the setting up of driving roller makes the raw and other materials of waiting to bind the becket when being drawn and take place the translation, and the frictional force between the surface of raw and other materials and the upper surface of frame main part is littleer, when practicing thrift the power consumption, can also reduce the damage that causes the raw and other materials surface.

Optionally, the automatic packaging machine further comprises a finished product collecting box arranged on one side of the machine frame main body, which is positioned on the manual operation side.

By adopting the technical scheme, the finished product collecting box is convenient for manual collection of finished products after the metal rings are bound in the finished product collecting box, so that subsequent arrangement time is saved.

In a second aspect, the present application further discloses a metal ring binding method, which uses the above metal ring binding apparatus to bind metal rings, and the metal ring binding method includes the following steps:

marking the position of the binding metal ring by drawing a line on the raw material;

conveying the marked raw material to a set position for punching;

conveying the punched raw material to a set position for binding a lower metal ring;

and collecting the finished products with the bound metal rings.

By adopting the technical scheme, the potential safety hazard in the binding process of the metal rings is eliminated, and the labor intensity of workers is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the control box in this application starts, make draw gear drive the raw and other materials that need bind the becket and remove from one side of frame main part to relative opposite side like the air brushing cloth, until the position of waiting to install the becket be located perforating device's below can, perforating device punches the completion back with the air brushing cloth, draw gear drives the air brushing cloth and removes to the clamping ring device, and the automatic conveyor of becket carries the assigned position with the becket, then makes the clamping ring device accomplish compressing tightly of becket and binding work. After the completion, the worker takes away the finished product with the bound metal ring, and when the metal ring is bound, the worker does not need manual assistance, thereby avoiding potential safety hazard and reducing the labor intensity of the worker;

2. the setting of driving roller makes the raw and other materials of waiting to bind the becket when being pull and take place the translation in this application, and the frictional force between the surface of raw and other materials and the upper surface of frame main part is littleer, when the using electricity wisely, can also reduce the damage that causes raw and other materials surface.

Drawings

Fig. 1 is a schematic structural diagram of an overall metal ring binding apparatus according to an embodiment of the present application.

Fig. 2 is a half-sectional view of a punched tube used for illustrating a heating wire in an example of the present application.

Fig. 3 is a schematic view for showing the structure of the pressure ring device in the example of the present application.

Fig. 4 is a partially enlarged view of a portion a in fig. 1.

Fig. 5 is a half sectional view of a press-molded block for a metal ring in order to show the cross sectional shape of the annular groove.

Fig. 6 is a block diagram of steps of a method for binding metal rings according to an embodiment of the present disclosure.

Description of reference numerals:

1. a rack main body;

2. a punching device; 21. a cylinder; 22. punching a hole pipe; 221. heating wires; 23. punching a hole block;

3. a ring pressing device; 31. a first motor; 32. a bevel gear drive assembly; 33. a cam; 34. a lower pressure lever; 341. a spring; 35. pressing the metal ring into a molding block; 351. an annular groove;

4. an automatic metal ring conveying device; 41. a metal ring discharging barrel; 42. a stirrer; 43. a metal ring conveying guide rail; 44. an electric push rod; 45. a feed bar; 451. an arc-shaped plate;

5. a traction device; 51. a second motor; 52. a chain drive assembly; 53. mounting a plate; 54. a pneumatic finger;

6. a control box;

7. a driving roller;

8. and (5) collecting a finished product.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

It should be understood that, in the related art, when a binding operation is performed on a material of a metal ring to be bound, such as an inkjet printed cloth, even when a semi-automatic dotter enters the metal ring for binding, a worker needs to mark a position of the metal ring to be bound first, and then start the semi-automatic dotter to enable a binding part of the semi-automatic dotter to complete binding of the metal ring, in the process, the worker needs to hold two sides of the position of the inkjet printed cloth to be bound and then assist in opening, even after some metal rings are bound, the inkjet printed cloth at the binding position needs to be manually removed by the worker, unnecessary labor is brought to the worker, the labor intensity of the worker is increased, and when the worker holds the auxiliary metal ring by hand, safety accidents such as the hand of the worker is crushed due to the error of the worker easily occur, potential safety hazards exist. Therefore, the embodiment of the application discloses a metal ring binding device to solve the problems.

The embodiment of the application discloses metal ring binding equipment. Referring to fig. 1, the metal ring binding apparatus includes a frame body 1, a punching device 2, a ring pressing device 3, an automatic metal ring conveying device 4, a traction device 5, a control box 6, a driving roller 7 and a finished product collecting box 8.

Referring to fig. 1, a frame main body 1 can adopt a rectangular box structure formed by welding metal plates and metal rods, the upper surface of the frame main body 1 is a workbench, and a plurality of metal rods and a plurality of metal plates are welded on the upper surface of the frame main body 1 at intervals from one side to the other side along the length direction for installing a punching device 2, a pressure ring device 3 and an automatic metal ring conveying device 4.

Referring to fig. 1 and 2, the punching apparatus 2 includes a cylinder 21, a punching pipe 22, and a punching block 23, wherein the cylinder 21 is fixedly mounted on a metal plate on an upper surface of the frame body 1 by bolts, and the cylinder 21 is electrically connected to the control box 6 by a wire. The upper end of the punching pipe 22 is detachably connected with the telescopic end of the air cylinder 21 in a bolt connection or thread connection mode, the inner wall of the bottom end of the punching pipe 22 is further welded with a heating wire 221, and after the heating wire 221 is heated, the temperature of the bottom end of the punching pipe 22 rises, so that the punching pipe 22 can complete punching on thicker or higher-toughness spray-painting cloth. The punching block 23 is a metal block and is fixedly mounted on the upper surface of the frame main body 1 by an embedded mounting method, and a circular hole is formed in the punching block 23 for inserting the bottom end of the punching pipe 22 to complete the punching action. After the cylinder 21 is started, the telescopic end of the cylinder 21 drives the punching tube 22 to vertically move downwards and then to be inserted into the punching block 23, and instant shearing force can be generated between the outer wall of the punching tube 22 and the punching block 23, so that the spray painting cloth pressed by the punching tube 22 is cut off, and punching is completed.

Referring to fig. 1 and 3, the pressing ring device 3 is mainly composed of a first motor 31, a bevel gear transmission assembly 32, a cam 33, a pressing rod 34 and a metal ring press-molding block 35. The first motor 31 may be fixedly mounted on the metal plate of the frame body 1 by bolts, and the first motor 31 is electrically connected to the control box 6 by a wire. The bevel gear transmission component 32 is composed of three rotating shafts and two groups of bevel gears in meshing transmission, and a driving bevel gear of the bevel gear transmission component 32 is in key connection with a power output shaft of the first motor 31. The bevel gear transmission assembly 32 transmits power to the cam 33, the cam 33 shares the same rotating shaft with one bevel gear in the bevel gear transmission assembly 32, and the cam 33 and the transmission shaft can be connected in a key connection mode.

The lower pressing rod 34 penetrates through the metal plate on the upper surface of the frame body 1, the upper end of the lower pressing rod 34 is provided with a roller, the roller is abutted against the side surface of the cam 33, namely, the upper end of the lower pressing rod 34 is abutted against the side surface of the cam 33, and when the cam 33 rotates, the lower pressing rod 34 also reciprocates along the vertical direction along with the position change of the abutting point so as to finish the binding work of the metal rings. The lower pressing rod 34 is further sleeved with a spring 341, the upper end of the spring 341 is welded to the lower surface of the metal plate, the lower end of the spring 341 is fixedly connected with the side surface of the bottom end of the lower pressing rod 34, when the lower pressing rod 34 vertically moves downwards, the spring 341 elastically deforms, the upper end of the lower pressing rod 34 loses downward pressure along with the rotation of the cam 33, and when the spring 341 returns to the initial state, the lower pressing rod 34 moves upwards, and the next binding of the metal ring is prepared.

Referring to fig. 3 and 4, the metal ring press-forming block 35 is a metal block, an annular groove 351 is formed in the upper surface of the metal ring press-forming block 35, the cross section of the annular groove 351 is in the shape of an outward bent arc, the diameter of the inner circle of the annular groove 351 is equal to that of the inner circle of the bottom end of the metal ring, and the diameter of the outer circle of the annular groove 351 is larger than that of the outer circle of the bottom end of the metal ring. Thus, when the metal ring is pressed down by the pressing rod 34, the bottom end of the metal ring slides downwards along the inner wall of the annular groove 351 and is gradually subjected to unrecoverable bending deformation, so that the final binding forming of the metal ring is completed.

Referring to fig. 1, the automatic metal ring conveying device 4 includes a metal ring discharging barrel 41, a stirrer 42, a metal ring conveying guide rail 43, an electric push rod 44 and a feeding rod 45, wherein the stirrer 42 and the electric push rod 44 in the automatic metal ring conveying device 4 are electrically connected with the control box 6 through wires.

Referring to fig. 1 and 5, the metal ring discharging cylinder 41 may be fixedly mounted on a metal rod on the upper surface of the frame body 1 by welding or bolting, and the stirrer 42 is composed of a servo motor bolted to the bottom surface of the metal ring discharging cylinder 41, a stirring rod connected to a power output shaft of the servo motor through a coupling, and a stirring blade welded on the stirring rod. The metal ring conveying guide rail 43 can be made of a U-shaped metal plate, the upper end of the metal ring conveying guide rail 43 is welded with the side face of the metal ring discharging barrel 41 and is communicated with the inside of the metal ring discharging barrel 41, a bending section is arranged at the position, close to the bottom end, of the metal ring conveying guide rail 43, a discharge hole of the bending section faces the metal ring pressing forming block 35 in the pressing ring device 3, and the electric push rod 44 can be fixedly installed on the upper surface of the rack main body 1 through bolts. One end of the feeding rod 45 is in threaded connection or welding with the telescopic end of the electric push rod 44, one end of the feeding rod 45 penetrates through the side face of the metal ring conveying guide rail 43 to enter the bending section of the metal ring conveying guide rail 43, an arc plate 451 is further arranged at one end, far away from the electric push rod 44, of the feeding rod 45, and the arc plate 451 and the feeding rod 45 can be in welding or threaded connection.

After agitator 42 rotates, the metal ring that drives metal ring play feed cylinder 41 enters into metal ring transport guide rail 43 from the discharge gate of side, on the bending segment that slides down under the action of gravity, then electric putter 44 circular telegram extension, electric putter 44's flexible end drives feed rod 45 and is close to the direction removal of metal ring dress pressure forming block 35 in the clamping ring device 3, and it can to push the metal ring in annular groove 351 on the metal ring dress pressure forming block 35.

Referring to fig. 1 and 3, the traction device 5 includes a second motor 51, a chain drive assembly 52, a mounting plate 53, and a pneumatic finger 54. The second motor 51 is electrically connected to the control box 6 through a wire, and the control box 6 can send a control signal to enable the second motor 51 to complete stop, start, forward rotation or reverse rotation.

The second motor 51 can be fixedly mounted on an L-shaped metal plate welded on the side surface of the rack body 1 by bolts, a rotating shaft mounted with a driving sprocket in the chain transmission assembly 52 is connected with a power output shaft of the second motor 51 by a coupler, and a rotating shaft mounted with a driven sprocket in the chain transmission assembly 52 penetrates through the side surface of the rack body 1 and the L-shaped metal plate along a direction perpendicular to the side surface of the rack body 1. The mounting plate 53 is composed of a vertical metal rod welded to the chain in the chain drive assembly 52 and a metal plate welded to the upper end of the metal rod, the metal plate being in a horizontal state. In the embodiment of the application, the number of the pneumatic fingers 54 is two, the intervals are arranged, the tail end of the pneumatic fingers 54 can be connected with the side surface of the metal plate in a manner that the pneumatic fingers 54 are connected through bolts and air can be supplied by an air compressor or an air storage tank, and the starting switch of the pneumatic fingers 54 is electrically connected with the control box 6 through a wire.

Firstly, the spray painting cloth of the metal rings to be bound is clamped by the pneumatic fingers 54, then the second motor 51 is started, the second motor 51 drives the chain transmission assembly 52 to transmit, the chain transmission assembly 52 drives the mounting plate 53 to move along the horizontal direction, and further drives the pneumatic fingers 54 and the spray painting cloth to move along the upper surface of the rack main body 1, so that the positions of the metal rings to be bound on the spray painting cloth sequentially reach the positions below the punching device 2 and the pressure ring device 3, and the metal rings are punched and bound sequentially. The second motor 51 is then reversed by the control box 6 to prepare for the next punching and stapling of the metal rings.

Referring to fig. 1, the control box 6 may be made of a microcomputer, a PLC programmable controller or a single chip microcomputer installed in a control cabinet bolted to the side of the frame body 1, and the control box 6 sends control signals to the punching device 2, the ring pressing device 3, the automatic metal ring conveying device 4 and the traction device 5 through wires so as to complete the binding work of the metal rings.

Referring to fig. 1, the driving rollers 7 are installed at intervals in the rectangular grooves formed in the upper surface of the frame main body 1, circular holes are formed in the inner walls of the grooves along the two sides of the length direction, the two ends of the driving rollers 7 penetrate through the circular holes, so that the driving rollers 7 rotate around the axes of the driving rollers, and the friction between the raw materials of the metal ring to be bound, such as the spray cloth, and the upper surface of the frame main body 1 is changed from sliding friction to rolling friction, thereby avoiding causing surface damage of the spray cloth, saving more labor when the traction device 5 pulls the spray cloth to move, and saving electric energy.

Referring to fig. 1, finished product collection box 8 can adopt the rectangular box body of upper surface open-ended, and the connected mode of finished product collection box 8 and frame main part 1 can be the welding, and when the becket binding was accomplished the back, operating personnel only need with one hand pull move finished product collection box 8 in last once take away can, avoid falling subaerial, or need artifical removal many times to get the finished product, further reduce staff's intensity of labour, also improved production efficiency.

The present application further provides a metal ring binding method, which uses the metal ring binding apparatus disclosed in any one of the above embodiments to complete the binding of metal rings, and with reference to fig. 6, the method includes the following steps:

and S101, marking the positions of the binding metal rings on the raw material by drawing lines.

Marking the position of the raw material such as sprayed cloth, pictures and the like needing to be bound with the metal ring by using a marking pen for later use.

S102, the marked raw material is sent to a preset position for punching.

The control box 6 is used for starting the traction device 5 to draw the raw material to the station of the punching device 2, and then the control box 6 is used for starting the punching device 2 to punch holes at the marked positions of the raw material.

S103, the punched raw material is sent to a preset position to bind the lower metal ring.

Under the traction action of the traction device 5, the raw material with the punched hole is moved to a station of the pressure ring device 3, then the control box 6 is used for controlling the automatic metal ring conveying device 4 to be started, so that the metal ring is moved and conveyed into the annular groove 351 of the metal ring pressing and forming block 35 of the pressure ring device 3, the bottom end of the metal ring penetrates through the punched hole of the raw material and then is inserted into the annular groove 351, and finally the pressure ring device 3 is started, so that the metal ring is bound on the spray painting cloth.

And S104, collecting the finished product with the bound metal ring.

After all the metal rings are bound, the pneumatic fingers 54 in the traction device 5 are opened through the control box 6, a worker takes off the finished products with one hand and places the finished products in the finished product collecting box 8, and the finished products are taken out at one time after being accumulated to a certain amount.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A metal ring binding apparatus characterized in that: the punching device comprises a rack main body (1), a punching device (2) arranged on one side of the upper surface of the rack main body (1), a pressure ring device (3) arranged on the upper surface of the rack main body (1), an automatic metal ring conveying device (4) arranged on the rack main body (1), a traction device (5) arranged on the rack main body (1) and a control box (6) arranged on the rack main body (1);

the punching device (2), the pressure ring device (3), the automatic metal ring conveying device (4) and the traction device (5) are all electrically connected with the control box (6).

2. A metal ring binding apparatus according to claim 1, wherein: the punching device (2) comprises an air cylinder (21) arranged on the frame main body (1), a punching pipe (22) detachably connected with the telescopic end of the air cylinder (21), and a punching block (23) arranged on the upper surface of the frame main body (1);

the punching block (23) is provided with a round hole for the bottom end of the punching pipe (22) to pass through;

the telescopic end of the cylinder (21) drives the punching pipe (22) to vertically move downwards and insert into the punching block (23) to complete punching.

3. A metal ring binding apparatus according to claim 2, wherein: and a heating wire (221) is arranged on the inner wall of the bottom end of the punching pipe (22).

4. A metal ring binding apparatus according to claim 1, wherein: the pressure ring device (3) comprises a first motor (31) arranged on the rack main body (1), a bevel gear transmission assembly (32) connected with a power output shaft of the first motor (31), a cam (33) connected with the power output shaft of the bevel gear transmission assembly (32), a lower pressure rod (34) arranged on the rack main body (1) and capable of reciprocating in the vertical direction, and a metal ring installation and compression molding block (35) arranged on the rack main body (1);

the upper end of the lower pressing rod (34) is abutted against the side surface of the cam (33);

the lower pressing rod (34) is sleeved with a spring (341) which enables the lower pressing rod (34) to reset after being pressed by the cam (33);

the metal ring press-fitting forming block (35) is provided with an annular groove (351) matched with the lower pressing rod (34), and the cross section of the annular groove (351) is in the shape of an outwards bent arc.

5. A metal ring binding apparatus according to claim 1, wherein: automatic conveyor of becket (4) including establishing becket feed cylinder (41) on frame main part (1) upper surface, establish agitator (42) in becket feed cylinder (41), with becket feed rail (43) that lie in the discharge gate butt on the side of becket feed cylinder (41), establish electric putter (44) and one end on frame main part (1) upper surface and telescopic end of electric putter (44) can dismantle feed bar (45) of being connected, feed bar (45) are passed from the side of becket feed rail (43).

6. The metal ring binding apparatus according to claim 5, wherein: an arc-shaped plate (451) is arranged at one end of the feeding rod (45) far away from the electric push rod (44).

7. A metal ring binding apparatus according to claim 1, wherein: the traction device (5) comprises a second motor (51) arranged on the frame main body (1), a chain transmission assembly (52) connected with a power output shaft of the second motor (51), a mounting plate (53) connected with the chain transmission assembly (52) and a plurality of pneumatic fingers (54) arranged on the mounting plate (53).

8. A metal ring binding apparatus according to claim 1, wherein: and the device also comprises a plurality of driving rollers (7) which are arranged on the upper surface of the frame main body (1) at intervals.

9. A metal ring binding apparatus according to any one of claims 1 to 8, wherein: the automatic packaging machine further comprises a finished product collecting box (8) arranged on one side of the machine frame main body (1) and positioned on manual operation.

10. A metal ring binding method using the metal ring binding apparatus according to claim 9 for binding metal rings, comprising the steps of:

marking the position of the binding metal ring by drawing a line on the raw material;

conveying the marked raw material to a set position for punching;

conveying the punched raw material to a set position for binding a lower metal ring;

and collecting the finished products with the bound metal rings.

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