CN215591102U - Bandage device - Google Patents

Abstract

The utility model discloses a binding device, which comprises a feeding conveying mechanism, two binding mechanisms and a driving mechanism, wherein the feeding conveying mechanism is used for conveying paperboards to be bound, the two binding mechanisms are positioned on two sides of the feeding conveying mechanism and can move and be adjusted along the width direction of the feeding conveying mechanism, the driving mechanism comprises an installation seat and a screw rod rotatably installed on the installation seat, the screw rod extends along the width direction of the feeding conveying mechanism, two sections of external threads with opposite rotation directions are axially arranged on the screw rod, the screw rod is in threaded connection with one binding mechanism through one section of the external threads, and the screw rod is in threaded connection with the other binding mechanism through the other section of the external threads. According to the binding device provided by the embodiment of the utility model, the paperboards with different sizes can be bound, and the practicability is good.

Description

Bandage device

Technical Field

The utility model relates to binding equipment, in particular to a binding device.

Background

The carton is a packaging product and is widely applied in various industries. The carton is formed by cardboard preparation, need carry out the pile after cardboard processing is accomplished, need bind after the pile is accomplished to in the processing place of storage or transportation to next grade process.

The existing binding device mainly comprises a feeding conveying mechanism and binding mechanisms arranged on two sides of the feeding conveying mechanism, when the paper boards need to be bound, the feeding conveying mechanism conveys the paper boards to a position between the two binding mechanisms, and the two binding mechanisms can bind binding wires on the peripheral sides of two ends of the paper boards.

Although the prior binding device can bind the paper board, the prior binding device has the following disadvantages: because the binding mechanism is fixed in position, the paper board with the set size is only conveniently bound, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a binding device which can bind paperboards with different sizes and has good practicability.

A banding device according to an embodiment of the utility model comprises:

the feeding conveying mechanism is used for conveying the paperboards to be bound;

the two binding mechanisms are positioned on two sides of the feeding conveying mechanism and can move and adjust along the width direction of the feeding conveying mechanism;

the driving mechanism comprises a mounting seat and a screw rod rotatably mounted on the mounting seat, the screw rod extends along the width direction of the feeding and conveying mechanism, two sections of external threads with opposite turning directions are axially arranged on the screw rod, the screw rod is in threaded connection with one of the binding mechanisms through one section of the external threads, and the screw rod is in threaded connection with the other binding mechanism through the other section of the external threads.

According to the bandage device of the embodiment of the utility model, at least the following technical effects are achieved:

when the stacked paperboards need to be bound, the stacked paperboards are placed on the feeding conveying mechanism, the feeding conveying mechanism conveys the paperboards to a position between the two binding mechanisms, and the two binding mechanisms can bind the two corresponding ends of the paperboards. According to the binding device provided by the embodiment of the utility model, when paperboards with different sizes are bound, the screw rod is rotated, the screw rod can drive the two binding mechanisms to synchronously move along the directions close to or away from each other, the distance between the two binding mechanisms can be changed, and then the paperboards with different sizes can be bound, so that the binding device is good in practicability and convenient to popularize.

According to some embodiments of the utility model, the binding mechanism comprises:

the frame is arranged on one side of the feeding conveying mechanism in a sliding mode along the width direction of the feeding conveying mechanism; the winding unit comprises a spiral arm which is rotatably arranged on the rack around an axis parallel to the width direction of the feeding and conveying mechanism, the spiral arm is positioned above the feeding and conveying mechanism, the spiral arm is provided with a wire guide head, and the wire guide head is provided with a wire guide hole;

the wire connecting unit is arranged on the rack and is positioned below the feeding and conveying mechanism;

and the wire supply unit comprises a wire supply roller and a binding wire wound on the wire supply roller, and the other end of the binding wire penetrates through the wire hole and is installed on the wire tying unit.

According to some embodiments of the present invention, the racks are located outside the end of the feeding and conveying mechanism, a bearing plate is disposed between the two racks, and the binding device further includes a pushing plate capable of lifting and moving along the conveying direction of the feeding and conveying mechanism, so as to push the paper plates on the feeding and conveying mechanism to the upper end surface of the bearing plate and locate the paper plates on the side of the binding unit away from the feeding and conveying mechanism.

According to some embodiments of the utility model, the feed conveyor mechanism comprises at least two feed conveyor belts arranged side by side, and the push plate is arranged between two adjacent feed conveyor belts.

According to some embodiments of the utility model, the rack is provided with a pressure plate capable of lifting, and the pressure plate is used for pressing the paper board tightly on the bearing plate.

According to some embodiments of the present invention, when the paper board is located on the upper end surface of the loading plate, the binding wire wound around the paper board is located right below the corresponding pressing plate.

According to some embodiments of the utility model, the bottom end of the pressure plate is provided with an elastic rubber layer.

According to some embodiments of the utility model, two sides of the bearing plate are provided with a liftable discharge conveying mechanism, and the discharge conveying mechanism is used for conveying the bound paperboards.

According to some embodiments of the utility model, a connecting arm is disposed at a distal end of the swing arm, the wire guide is disposed at a distal end of the connecting arm, the wire guide hole is disposed at a distal end of the wire guide, and when the swing arm is rotated to a horizontal state, the wire guide is in a vertical state, and the wire guide hole is located at a bottom end of the wire guide.

According to some embodiments of the utility model, the two sides of the feeding and conveying mechanism are provided with aligning plates capable of moving and adjusting along the width direction of the feeding and conveying mechanism, and the aligning plates are perpendicular to the width direction of the feeding and conveying mechanism.

According to some embodiments of the utility model, the screw rod comprises two coaxially arranged branch rods, the two branch rods can be detachably connected, one section of the external thread is arranged on one branch rod, and the other section of the external thread is arranged on the other branch rod.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection of the drive mechanism to the binding mechanism;

reference numerals:

a feed conveyor mechanism 100; the binding mechanism 200, a frame 201, a winding unit 202, a rotary arm 203, a wire guide 204, a wire connecting unit 205, a binding wire 206, a pressure plate 207, an elastic rubber layer 208 and a connecting arm 209; the device comprises a driving mechanism 300, a mounting seat 301, a screw rod 302, external threads 303, a driving motor 304 and a guide rail 305; a carrier plate 400; a push plate 500; a discharge conveying mechanism 600; trim the panel 700.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more and "plural groups" means two or more groups unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A banding device according to an embodiment of the present invention is described below with reference to fig. 1 and 2.

A banding device according to an embodiment of the present invention, as shown in fig. 1 and 2, includes:

the feeding conveying mechanism 100, the feeding conveying mechanism 100 is used for conveying the paper boards to be bound;

two binding mechanisms 200 which are positioned at two sides of the feeding conveying mechanism 100 and can move and adjust along the width direction of the feeding conveying mechanism 100;

the driving mechanism 300 comprises an installation base 301 and a screw rod 302 rotatably installed on the installation base 301, the screw rod 302 extends along the width direction of the feeding and conveying mechanism 100, two sections of external threads 303 with opposite turning directions are axially arranged on the screw rod 302, the screw rod 302 is in threaded connection with one binding mechanism 200 through one section of the external threads 303, and the screw rod 302 is in threaded connection with the other binding mechanism 200 through the other section of the external threads 303.

In this embodiment, when the stacked paper boards need to be bound, the stacked paper boards are placed on the feeding and conveying mechanism 100, the feeding and conveying mechanism 100 conveys the paper boards to a position between the two binding mechanisms 200, and the two binding mechanisms 200 can bind the two ends corresponding to the paper boards. According to the binding device provided by the embodiment of the utility model, when paperboards with different sizes are bound, the screw rod 302 is rotated, the screw rod 302 can drive the two binding mechanisms 200 to synchronously move along the directions close to or away from each other, the distance between the two binding mechanisms 200 can be changed, and then the paperboards with different sizes can be bound, and by changing the positions of the binding mechanisms 200, different positions of the paperboards can be bound, so that the binding device is good in practicability and convenient to popularize.

It should be noted that the feeding and conveying mechanism 100 may be horizontally disposed, and the feeding and conveying mechanism 100 may be a belt conveyor or a roller conveyor or some other conveyor capable of conveying a sheet. At least two guide rails 305 may be arranged side by side on the ground along the conveying direction of the feeding conveying mechanism 100, the guide rails 305 extend along the width direction of the feeding conveying mechanism 100, at least two sliding blocks or at least two sliding grooves may be correspondingly arranged on the binding mechanism 200, and the binding mechanism 200 is slidably mounted on the guide rails 305 through the cooperation of the sliding blocks and the guide rails 305, or the cooperation of the sliding grooves and the guide rails 305. The two installation bases 301 may be arranged on two sides of the feeding and conveying mechanism 100, two ends of the screw rod 302 are rotatably installed on the corresponding installation bases 301, one of the installation bases 301 is provided with a driving motor 304, an output shaft of the driving motor 304 is in transmission connection with the screw rod 302, the driving motor 304 is started, and the driving motor 304 can control the screw rod 302 to rotate. Of course, a turning handle may be provided at an end of the screw 302, and the turning of the screw 302 can be controlled by turning the turning handle. The screw rod 302 is in threaded connection with the corresponding binding mechanism 200 through the external thread 303, specifically, a threaded hole matched with the corresponding external thread 303 in the rotating direction is formed in the binding mechanism 200, the screw rod 302 is in threaded connection with the binding mechanism 200 through the external thread 303 and the corresponding threaded hole, because the rotating directions of the two sections of external threads 303 are opposite, when the screw rod 302 rotates towards the set direction, the two binding mechanisms 200 can synchronously slide towards the mutually approaching direction, and when the screw rod 302 rotates towards the opposite direction of the set direction, the two binding mechanisms 200 can synchronously slide towards the mutually departing direction.

In some embodiments of the present invention, as shown in fig. 2, the binding mechanism 200 includes a frame 201, a winding unit 202, a wire tying unit 205, and a wire supplying unit, the frame 201 is slidably mounted on one side of the feeding and conveying mechanism 100 along a width direction of the feeding and conveying mechanism 100, the winding unit 202 includes a rotating arm 203 rotatably mounted on the frame 201 around an axis parallel to the width direction of the feeding and conveying mechanism 100, the rotating arm 203 is located above the feeding and conveying mechanism 100, the rotating arm 203 is provided with a wire guide head 204, the wire guide head 204 is provided with a wire guide hole, the wire tying unit 205 is mounted on the frame 201 and below the feeding and conveying mechanism 100, the wire supplying unit includes a wire supplying roller and a binding wire 206 wound on the wire supplying roller, and the other end of the binding wire 206 is mounted on the wire tying unit 205 after passing through the wire guide hole. Specifically, the racks 201 are provided with driving motors, the driving motors are in transmission connection with the swing arms 203, when the feeding and conveying mechanism 100 conveys the paper boards between the two racks 201, the driving motors control the swing arms 203 to rotate, the swing arms 203 drive the wire heads 204 to rotate around the paper boards, the wire heads 204 drive the binding wires 206 to bind around the paper boards through the matching of wire holes and the binding wires 206, finally, the binding wires 206 bound on the paper boards are tied through the tying units 205, the binding wires 206 bound on the paper boards are partially cut off from the binding wires 206 penetrating through the wire heads 204 and the binding wires 206 arranged on the tying units 205, so as to complete the binding of the paper boards by the binding wires 206, then, the tying units 205 join the binding wires 206 penetrating through the wire heads 204 with the binding wires 206 arranged on the tying units 205, and then bind the next paper board, convenient operation, time saving and time saving. It should be noted that, since the swing arm 203 is rotatably disposed on the frame 201 around an axis parallel to the width direction of the feeding and conveying mechanism 100, and a plane on which a moving track of the wire guide is located is a vertical plane and is parallel to the conveying direction of the feeding and conveying mechanism 100, the binding wire 206 can be wound around both ends of the cardboard. In addition, the knot line unit 205 is a common component on the binding mechanism 200, and the specific structure and the operation principle thereof may refer to the structure and the operation principle of the knot-tying component described in chinese patent with publication number CN2543837, of course, the knot line unit 205 may also be a common knot-tying mechanism of the binding mechanism 200 on the market, and the specific structure of the knot line unit 205 is not improved in the present invention, so the structure and the operation principle of the knot line unit 205 are not described herein again.

In some embodiments of the present invention, as shown in fig. 2, the racks 201 are located outside the end of the feeding and conveying mechanism 100, the carrying plate 400 is disposed between the two racks 201, and the banding device further includes a pushing plate 500, where the pushing plate 500 can be lifted and moved along the conveying direction of the feeding and conveying mechanism 100, so as to push the paper plates on the feeding and conveying mechanism 100 onto the upper end surfaces of the carrying plate 400 and locate the paper plates on the side of the banding unit 205 away from the feeding and conveying mechanism 100. In the prior art, generally, a paper board is conveyed between two frames 201, a rotating arm 203 drives a wire guide 204 to rotate around the paper board for one circle, then the wire guide is close to a wire tying unit 205 and is matched with the wire tying unit 205, and then the wire tying unit 205 performs operations such as knotting, cutting and jointing. Because the wire guide 204 needs to rotate a week around the cardboard, when the cardboard size is great, in order to avoid wire guide 204 and cardboard to interfere, the required pivoted scope of wire guide 204 is bigger, and then makes the required size of spiral arm 203 bigger, and the material that wastes is more, and required pivoted time is longer simultaneously, and the practicality is poor. In this embodiment, before winding, the wire head 204 may be located right above the wire tying unit 205, when the paper board is conveyed to the end of the feeding and conveying mechanism 100, the push plate 500 is lifted to make the top end of the push plate 500 correspond to the top end of the paper board, the bottom end of the push plate 500 corresponds to the bottom end of the paper board, then the push plate 500 moves along the conveying direction of the feeding and conveying mechanism 100, the push plate 500 can push the paper board to the upper end surface of the loading plate 400 and make the paper board located at the side of the wire tying unit 205 away from the feeding and conveying mechanism 100, and during the process that the paper board moves from the feeding and conveying mechanism 100 to the loading plate 400, the binding wire 206 between the wire head 204 and the wire tying unit 205 can be driven to move, and the binding wire 206 is wound around the upper and lower end surfaces of the paper board and the side wall away from the wire tying unit 205, then the rotating arm 203 is rotated to make the wire head 204 move downwards to a position capable of matching with the wire tying unit 205, the lead 204 does not need to rotate around the paper board for one circle, and then the paper board with larger size can be bound, so that the practicability is good. In the process of knotting by the knotting unit 205, the pushing plate 500 moves in the direction opposite to the conveying direction of the feeding and conveying mechanism 100, and the pushing plate 500 is lowered below the feeding and conveying mechanism 100 or raised above the feeding and conveying mechanism 100 to push the next cardboard. It is noted that in some embodiments of the present invention, as shown in fig. 2, the feeding conveyor mechanism 100 may include at least two feeding conveyor belts arranged side by side, and the push plate 500 is arranged between two adjacent feeding conveyor belts. Specifically, at least two feeding conveyer belts are matched with a conveying plate, a slide rail can be arranged on the ground between two adjacent feeding conveyer belts along the conveying direction of the feeding conveyer belts, a sliding part can be slidably arranged on the slide rail, the sliding part can control sliding through a driving structure such as a motor screw mechanism and the like, a lifting oil cylinder can be arranged on the sliding part, a push plate 500 can be arranged at the top end of the lifting oil cylinder, and when the device does not need to work, the top end of the pusher 500 is lower than the upper end surface of the feeding conveyor belt, so as not to interfere with the cardboard, when the cardboard is carried to one side that push pedal 500 is close to loading board 400, lift cylinder control push pedal 500 rises, makes the top of push pedal 500 be higher than the cardboard, and later motor screw mechanism control sliding part slides along the direction of delivery of feeding conveyor mechanism 100 and can make push pedal 500 push away the cardboard to loading board 400 on, convenient operation, labour saving and time saving. Of course, the pushing plate 500 may be disposed above the feeding and conveying mechanism 100.

In some embodiments of the present invention, as shown in fig. 2, a pressing plate 207 capable of ascending and descending is disposed on the frame 201, and the pressing plate 207 is used for pressing the paper board tightly against the loading board 400. The cooperation through clamp plate 207 and loading board 400 can make the cardboard of pile sticis before binding, and then not only bind more conveniently, and the cardboard after binding is compacter moreover. It should be noted that the pressure plate 207 can be controlled to lift by a lift cylinder or a lift cylinder.

In some embodiments of the present invention, as shown in fig. 2, when the cardboard is positioned on the upper end surface of the loading plate 400, the binding wire 206 wound around the cardboard is positioned directly below the corresponding pressing plate 207. Specifically, before binding, along the conveying direction of the feeding and conveying mechanism 100, the projection of the binding wire 206 between the wire binding unit 205 and the wire guide hole is located under the projection of the pressing plate 207 or coincides with the projection of the pressing plate 207, so that when the cardboard is pushed onto the upper end surface of the bearing plate 400, the cardboard can drive the binding wire 206 between the wire guide 204 and the wire binding unit 205 to wind the cardboard, and the binding wire 206 wound with the cardboard is located under the pressing plate 207. And then when the clamp plate 207 sticiss the up end of cardboard, can sticis the binding wire 206 on the cardboard up end on the cardboard to when the lead 204 drives the binding wire 206 of other parts around establishing the cardboard and being close to one side of ligature unit 205, having twined the binding wire 206 of establishing on the cardboard and can not remove at will or rock, thereby make the binding effect of binding wire 206 better.

In some embodiments of the present invention, as shown in FIG. 2, the bottom end of the pressure plate 207 is provided with an elastic rubber layer 208. The elastic rubber layer 208 is arranged, and when the pressing plate 207 presses the paper board, the paper board is elastically pressed, so that the paper board can be prevented from being damaged due to overlarge rigid pressure.

In some embodiments of the present invention, as shown in fig. 2, the carrying plate 400 is provided with an outfeed conveyor 600 on both sides thereof, and the outfeed conveyor 600 is used for conveying the bound paper boards. Discharging conveying mechanism 600 can go up and down through elevating system control such as lift cylinder, and after the cardboard was binded and is accomplished, start elevating system, elevating system drives discharging conveying mechanism 600 and rises, makes discharging conveying mechanism 600's up end drive cardboard rise and set for the displacement and separate with loading board 400, later starts discharging conveying mechanism 600, and discharging conveying mechanism 600 can drive the cardboard and shift out from between two binding mechanism 200.

In some embodiments of the present invention, as shown in fig. 2, the end of the swing arm 203 is provided with a connecting arm 209, the lead 204 is provided at the end of the connecting arm 209, and the wire guide is provided at the end of the lead 204, when the swing arm 203 is rotated to the horizontal state, the lead 204 is in the vertical state, and the wire guide is located at the bottom end of the lead 204. Specifically, the length of the radial arm 203 may be perpendicular to its own axis of rotation, the length of the connecting arm 209 may be parallel to the axis of rotation of the radial arm 203, the length of the lead 204 may be perpendicular to the length of the connecting arm 209, and the length of the lead 204 is perpendicular to the length of the radial arm 203. When not needing to bind, the spiral arm 203 along keeping away from self axis of rotation's direction slope up setting, connecting arm 209 and lead 204 are located the top of feeding conveying mechanism 100, and then can not cause the interference to the removal of cardboard, when needing to bind the cardboard, spiral arm 203 rotates less angle to horizontality down, lead 204 can be in vertical state, and the wire guide is located lead 204 bottom can with knot line unit 205 complex position. In this embodiment, when the cardboard needs to be bound, the required rotation angle of the radial arm 203 is smaller, and the practicability is better.

In some embodiments of the present invention, as shown in fig. 2, both sides of the feed conveying mechanism 100 are provided with aligning plates 700 capable of moving and adjusting in the width direction of the feed conveying mechanism 100, and the aligning plates 700 are perpendicular to the width direction of the feed conveying mechanism 100. When the cardboard moves to between two neat boards 700, two neat boards 700 move in opposite directions, and then can be neat to the cardboard roughness after making the binding is better. It should be noted that the trimming plate 700 may be driven by an air cylinder or an oil cylinder, the air cylinder or the oil cylinder is disposed on two sides of the feeding and conveying mechanism 100 and extends along the width direction of the feeding and conveying mechanism 100, the trimming plate 700 is disposed on a piston rod of the air cylinder or the oil cylinder, the air cylinder or the oil cylinder is started, and the air cylinder or the oil cylinder may drive the two trimming plates 700 to move along the direction of approaching to or departing from each other.

In some embodiments of the present invention, as shown in fig. 1, the lead screw 302 comprises two coaxially disposed sub-rods, which can be detachably connected, wherein one section of external thread 303 is disposed on one of the sub-rods, and the other section of external thread 303 is disposed on the other sub-rod. Two minute poles can be dismantled and connect, mean that two minute poles are connected and can dismantle each other, set up lead screw 302 into two minute poles that can dismantle each other, and then when needing to clean, maintain or change lead screw 302, the dismouting is more convenient. It should be noted that the two branch rods may be connected by a coupling, or a flange may be disposed at one end of the two branch rods close to each other, and the two flanges are connected by a bolt.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A banding device, comprising:

the feeding and conveying mechanism (100), the feeding and conveying mechanism (100) is used for conveying the paper boards to be bundled;

the two binding mechanisms (200) are positioned on two sides of the feeding conveying mechanism (100) and can move and adjust along the width direction of the feeding conveying mechanism (100);

the driving mechanism (300) comprises an installation base (301) and a screw rod (302) rotatably installed on the installation base (301), the screw rod (302) extends in the width direction of the feeding and conveying mechanism (100), two sections of external threads (303) with opposite turning directions are axially arranged on the screw rod (302), the screw rod (302) is in threaded connection with one binding mechanism (200) through one section of the external threads (303), and the screw rod (302) is in threaded connection with the other binding mechanism (200) through the other section of the external threads (303).

2. A banding device as claimed in claim 1, characterized in that said binding mechanism (200) comprises:

a frame (201) which is slidably mounted on one side of the feeding conveying mechanism (100) along the width direction of the feeding conveying mechanism (100);

the winding unit (202) comprises a rotating arm (203) which is rotatably arranged on the rack (201) around an axis parallel to the width direction of the feeding and conveying mechanism (100), the rotating arm (203) is positioned above the feeding and conveying mechanism (100), the rotating arm (203) is provided with a wire guide head (204), and the wire guide head (204) is provided with a wire guide hole;

the wire connecting unit (205) is arranged on the rack (201) and is positioned below the feeding conveying mechanism (100);

and the wire supply unit comprises a wire supply roller and a binding wire (206) wound on the wire supply roller, and the other end of the binding wire (206) penetrates through the wire guide hole and then is installed on the wire connection unit (205).

3. The banding device as claimed in claim 2, characterized in that said machine frame (201) is located outside the end of said feeding conveyor mechanism (100), a carrying plate (400) is arranged between two said machine frames (201), said banding device further comprises a pushing plate (500), said pushing plate (500) can be lifted and moved along the conveying direction of said feeding conveyor mechanism (100) for pushing the paper sheets on said feeding conveyor mechanism (100) onto the upper end surface of said carrying plate (400) and locating the paper sheets on the side of said knotting unit (205) facing away from said feeding conveyor mechanism (100).

4. A banding device as claimed in claim 3, characterized in that a press plate (207) which can be raised and lowered is arranged on the machine frame (201), said press plate (207) being used to press a cardboard against the carrier plate (400).

5. A banding arrangement as claimed in claim 4, characterized in that the binding thread (206) wound around the cardboard is located directly below the corresponding pressure plate (207) when the cardboard is located on the upper end face of the carrier plate (400).

6. A banding device as claimed in claim 4, characterized in that the bottom end of said pressure plate (207) is provided with an elastic rubber layer (208).

7. The strapping device according to claim 3, wherein the carrying plate (400) is provided with an outfeed conveyor mechanism (600) on both sides thereof, the outfeed conveyor mechanism (600) being adapted to convey the bound sheets.

8. The banding device as claimed in claim 2, characterized in that the end of said radial arm (203) is provided with a connecting arm (209), said wire guide (204) is provided at the end of said connecting arm (209), said wire guide is provided at the end of said wire guide (204), when said radial arm (203) is rotated to the horizontal position, said wire guide (204) is in the vertical position, and said wire guide is located at the bottom end of said wire guide (204).

9. The banding device as claimed in claim 1, wherein both sides of said infeed conveyor mechanism (100) are provided with aligning plates (700) movably adjustable in a width direction of said infeed conveyor mechanism (100), said aligning plates (700) being perpendicular to the width direction of said infeed conveyor mechanism (100).

10. A banding device as claimed in claim 1, characterized in that said threaded spindle (302) comprises two coaxially arranged partial spindles, which are detachably connected, wherein one section of said external thread (303) is arranged on one of said partial spindles and the other section of said external thread (303) is arranged on the other partial spindle.

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