CN220332310U - Bookbinding machine with pipe cutting mechanism - Google Patents

Abstract

The utility model discloses a binding machine with a pipe cutting mechanism, which comprises a support and a punching seat slidably arranged on the support, wherein a handle and a transmission mechanism are arranged on the punching seat, the handle drives the punching seat to slide on the support through the transmission mechanism, the binding machine also comprises the pipe cutting mechanism, the pipe cutting mechanism comprises a cutter assembly, a pipe cutting frame and a linkage piece, one end of the linkage piece is connected with the support, the other end of the linkage piece is connected with the cutter assembly, a guide mechanism for driving the linkage piece to rotate is arranged on the punching seat, when the handle drives the punching seat to move downwards, the punching seat drives the guide mechanism to move downwards, so that the guide mechanism drives the cutter assembly to slide in the pipe cutting frame, when the handle drives the punching seat to move upwards, the guide mechanism drives the linkage piece to rotate reversely, and the linkage piece drives the cutter assembly to slide in the pipe cutting frame to reset.

Description

Bookbinding machine with pipe cutting mechanism

Technical Field

The utility model relates to the technical field of binding devices, in particular to a binding machine with a pipe cutting mechanism.

Background

The existing binding machine generally comprises a punching mechanism and a riveting mechanism, paper is firstly placed at a punching station for punching, then is moved to a binding station, plastic pipes are inserted into binding holes, and finally is subjected to hot-pressing riveting to form a book, and the whole operation process can be divided into: punching, pipe cutting, pipe penetrating, pressing and riveting and the like, but before hot pressing and riveting, the plastic pipe is cut into a certain length section in advance, and if the pipe cutting action of the plastic pipe is finished by a user, the workload is increased, and the cut length consistency of the plastic pipe is poor. Therefore, it is proposed to complete the tube cutting operation while punching, for example, the following publication numbers: the utility model patent of CN204712700U discloses a perforating device for a binding machine, which comprises a perforating support, a vertical sliding plate arranged on the perforating support, a perforating part fixed on the vertical sliding plate, a rotary driving mechanism for driving the vertical sliding plate to lift on the perforating support and a pipe cutting mechanism, wherein the pipe cutting mechanism comprises a pipe cutting installation seat, a pipe passing hole arranged on the pipe cutting installation seat, a cutter arranged on the pipe cutting installation seat, a pipe receiving plate arranged below the cutter and a cutter push-pull mechanism linked with the rotary driving mechanism and used for driving the cutter to cut pipes. In this technical scheme, although the action of accomplishing the pipe cutting in the punching has been realized, but at cutter push-and-pull mechanism to cut the pipe mount pad propelling movement cutter or take out the cutter from cutting the pipe mount pad in-process hard the overmuch easily, cause the pipe cutting mechanism to become flexible to drop easily, this scheme has pipe cutting mechanism and cutter push-and-pull mechanism structure comparatively complicated, and the relatively poor problem of stability moreover.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the binding machine with the pipe cutting mechanism, which is capable of completing the pipe cutting action while punching, and the pipe cutting mechanism and the guide mechanism are simple and reliable in structure and not easy to loosen and fall off.

The utility model provides a binding machine with a pipe cutting mechanism, which comprises a support and a punching seat slidably arranged on the support, wherein a handle and a transmission mechanism are arranged on the punching seat, the handle drives the punching seat to slide on the support through the transmission mechanism, the binding machine also comprises the pipe cutting mechanism, the pipe cutting mechanism comprises a cutter assembly, a pipe cutting frame and a linkage piece, one end of the linkage piece is connected with the support, the other end of the linkage piece is connected with the cutter assembly, a guide mechanism for driving the linkage piece to rotate is arranged on the punching seat, when the handle drives the punching seat to move downwards, the punching seat drives the guide mechanism to move downwards, so that the guide mechanism drives the cutter assembly to slide in the pipe cutting frame, when the handle drives the punching seat to move upwards, the guide mechanism drives the linkage piece to rotate reversely, and the linkage piece drives the cutter assembly to slide in the pipe cutting frame to reset.

According to the technical scheme, the punching seat is slidably mounted on the support, the handle is rotatably mounted on the punching seat, the handle and the punching seat are driven by the transmission mechanism, the handle drives the punching seat to slide on the support through the transmission mechanism, the user presses the handle to enable the punching seat to move downwards to complete punching, and the user releases the handle to enable the punching seat to move upwards to complete resetting; through setting up pipe cutting mechanism, pipe cutting mechanism is to be cut through cutting pipe support installation, accomplish the pipe cutting action through cutter assembly in cutting pipe support internal slip, set up through the linkage piece linkage between cutter assembly and the support, be equipped with on the seat that punches and drive linkage piece pivoted guiding mechanism, when the user presses the handle, the handle atress drives the action of punching of seat gliding action through drive mechanism, the one end of linkage piece is installed on the support, consequently, the linkage piece does not have the displacement from top to bottom, and guiding mechanism then slides downwards along with the seat that punches, one side of guiding mechanism supports with the linkage piece, thereby drive linkage piece and rotate, the linkage piece drives cutter assembly through rotating and slide action pipe cutting action in cutting pipe support, cut the pipe promptly when punching, when the user loosens the handle, the seat upward movement resets that punches, guiding mechanism upwards moves along with the seat that punches, guiding mechanism's opposite side and linkage piece support, thereby drive linkage piece reverse rotation, drive assembly through reverse rotation in cutting pipe support reverse slip reset, cut the pipe cutting reset promptly when punching, easy structure and guiding mechanism are simple, not loosen.

As an improvement, guiding mechanism includes first guide bar and the second guide bar of upper and lower distribution, the linkage piece is equipped with the gag lever post with the guiding mechanism adaptation, and the gag lever post is located between first guide bar and the second guide bar, and when guiding mechanism moved down along with the seat that punches, first guide bar down motion and gag lever post cooperation rotated with drive linkage piece for cutter assembly atress slides in cutting pipe support, and when guiding mechanism moved up along with the seat that punches, second guide bar up motion and gag lever post cooperation rotated in order to drive linkage piece counter-rotating for cutter assembly atress slides in cutting pipe support and resets.

In this technical scheme, set up first guide bar and second guide bar and distribute from top to bottom on punching the seat, through set up the gag lever post that is located between first guide bar and the second guide bar on the linkage, when the user presses the handle, first guide bar and second guide bar all support with punching the seat downwardly moving, guiding mechanism supports with the gag lever post of linkage through the first guide bar that is located the top, first guide bar and gag lever post cooperation are rotated with the drive linkage to cutting the pipe direction, the linkage is through rotating and is driven cutter assembly and slide in cutting the pipe frame to cutting the pipe direction and move with cutting, when the user releases the handle, first guide bar and second guide bar all support with punching the seat upwardly moving, guiding mechanism supports with the gag lever post cooperation with the drive linkage and is rotated with the direction of moving, the linkage is through rotating and is driven cutter assembly and is moved in cutting the pipe frame to move in the direction of moving back and reset, guiding mechanism simple structure, linkage cooperation structure is reliable and efficient.

As an improvement, the linkage member comprises a first end and a second end, the linkage member is rotationally connected with the bracket through the first end, and the linkage member is rotationally connected with the cutter assembly through the second end. In this technical scheme, through linkage piece and guiding mechanism cooperation with the drive cutter subassembly in cutting the pipe support and make a round trip to slide and cut the pipe, the length of linkage piece is fixed, the linkage piece is connected with the support rotation through first end, the seat of punching can drive the linkage piece through guiding mechanism in the gliding in-process from top to bottom and rotate as the dot, the linkage piece is connected with cutter subassembly rotation through the second end, the linkage piece can drive cutter subassembly in cutting the pipe support and make a round trip to slide through the second end when the atress is rotatory, and the steam generator is simple in structure, reliable, difficult pine takes off.

As an improvement, the pipe cutting frame is provided with a pipe hole along the longitudinal direction, the pipe cutting frame is provided with a chute along the transverse direction, the pipe hole is communicated with the chute, one end of the cutter assembly is rotationally connected with the second end of the linkage member, the other end of the cutter assembly is arranged in the chute, and the linkage member drives the cutter assembly to slide back and forth in the chute through rotation. In this technical scheme, through set up the tube hole along vertically on cutting the pipe support, this tube hole is used for vertically placing and waits to cut the pipe fitting, through transversely being equipped with the spout on cutting the pipe support, this spout is used for transversely holding cutter assembly and slides, sets up tube hole and spout intercommunication for cutter assembly is through transversely sliding in the spout in order to accomplish cutting the pipe, cutter assembly passes through the spout and slides in cutting the pipe support back and forth, cuts the pipe more reliably, and the pipe cutting mechanism is difficult for taking off.

As an improvement, be equipped with the dog that suits with the second end of linkage piece on the cutting pipe support, the linkage piece makes the second end support with the dog and leans on in order to limit cutter assembly in the spout through rotating. In this technical scheme, the linkage piece uses first end to rotate as the dot, the linkage piece passes through the second end drive cutter subassembly and slides, when punching the seat and slide downwards, the linkage piece receives guiding mechanism effort drive cutter subassembly to cut the tub direction and slides, when punching the seat and slide upwards, the linkage piece receives guiding mechanism effort drive cutter subassembly to draw back the sword direction and slides, through setting up the dog on cutting the pipe support, when the linkage piece drove cutter subassembly to draw back the sword direction and slide, support through second end and dog and lean on spacingly, the restriction linkage piece continues to rotate, in order to prevent that cutter subassembly from breaking away from the spout, the structure is more reliable, make pipe cutting mechanism difficult pine take off.

As an improvement, the cutter assembly comprises a pipe cutter and a pipe cutter seat, wherein the pipe cutter is arranged on the pipe cutter seat, and the pipe cutter seat is rotationally connected with the second end of the linkage piece. In this technical scheme, cutter unit spare is through setting up the pipe cutter seat in order to install the pipe cutter for the installation of pipe cutter is fixed more reliable, and the pipe cutter seat rotates with the linkage and is connected, drives the pipe cutter motion through the pipe cutter seat, avoids pipe cutter wearing and tearing, extension pipe cutter's life.

As an improvement, the pipe cutting tool seat is provided with a limiting protrusion, and the pipe cutting frame is provided with a limiting groove matched with the limiting protrusion. In this technical scheme, when punching the seat and upwards slide, the linkage receives guiding mechanism effort drive cutter assembly to the direction of moving back to the sword is slided, when punching the seat and downwards slide, the linkage receives guiding mechanism effort drive cutter assembly to cut the pipe direction and slides, through setting up spacing arch on the pipe cutting seat, set up the spacing groove on cutting the pipe support, when the linkage drives cutter assembly to cut the pipe direction and slides, support through spacing arch and spacing groove and lean on spacing, the linkage of restriction continues to rotate, in order to prevent that cutter assembly from sliding too deeply in the spout, the structure is more reliable, make the pipe cutting mechanism difficult pine take off.

As an improvement, the pipe cutter is arranged on the pipe cutter seat through a fastener, and the limiting protrusion is sleeved on the fastener. In this technical scheme, set up the pipe cutter and pass through the fastener to be fixed on the pipe cutter seat, fixed knot constructs simply reliably for cutter subassembly is difficult for taking off, and the fastener is fixed in on the pipe cutter seat and the tip is protruding for the pipe cutter seat, and spacing protruding suit makes cutter subassembly whole compacter on the fastener, and structural distribution is more reasonable.

Drawings

Fig. 1 is a schematic perspective view of a bookbinding machine with a pipe cutting mechanism.

Fig. 2 is an exploded view of a stapler having a pipe cutting mechanism of the present disclosure.

Fig. 3 is a schematic perspective view of a pipe cutting mechanism in the present disclosure.

Fig. 4 is a schematic cross-sectional view of a pipe cutting mechanism of the present disclosure.

Fig. 5 is an enlarged partial schematic view of fig. 4 a of the present disclosure.

The figure shows: 1. a bracket; 2. a punching seat; 3. a handle; 4. a pipe cutting mechanism; 41. a cutter assembly; 411. a pipe cutter; 412. a pipe cutter seat; 4121. a limit protrusion; 413. a fastener; 42. cutting a pipe frame; 421. pipe holes; 422. a chute; 423. a stop block; 424. a limit groove; 43. a linkage member; 431. a limit rod; 432. a first end; 433. a second end; 5. a guide mechanism; 51. a first guide bar; 52. and a second guide bar.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed description are merely illustrative of exemplary embodiments of the application and are not intended to limit the scope of the application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size and shape of the object have been slightly exaggerated for convenience of explanation. The figures are merely examples and are not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," "having," "including" and/or "having," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

As shown in fig. 1 to 5, the application discloses a bookbinding machine with a pipe cutting mechanism, which comprises a bracket 1 and a punching seat 2 slidably mounted on the bracket 1, wherein a handle 3 and a transmission mechanism are mounted on the punching seat 2, the handle 3 is rotatably mounted on the punching seat 2, the handle 3 and the punching seat 2 are transmitted through the transmission mechanism, the handle 3 drives the punching seat 2 to slide on the bracket 1 through the transmission mechanism, a user presses the handle 3 to enable the punching seat 2 to move downwards to finish punching, and the user releases the handle 3 to enable the punching seat 2 to move upwards to finish resetting;

the pipe cutting mechanism 4 is arranged, the pipe cutting mechanism 4 is used for cutting pipes by installing the pipe to be cut through the pipe cutting frame 42 and sliding the pipe cutting frame 42 through the cutter assembly 41, the cutter assembly 41 is arranged to be linked with the support 1 through the linkage piece 43, the guide mechanism 5 capable of driving the linkage piece 43 to rotate is arranged on the punching seat 2, when a user presses the handle 3, the handle 3 is stressed to drive the punching seat 2 to slide downwards through the transmission mechanism to perform punching action, one end of the linkage piece 43 is installed on the support 1, therefore, the linkage piece 43 does not move up and down, the guide mechanism 5 slides downwards along with the punching seat 2, one side of the guide mechanism 5 abuts against the linkage piece 43, so that the linkage piece 43 is driven to rotate, the linkage piece 43 drives the cutter assembly 41 to slide in the pipe cutting frame 42 to perform pipe cutting action through rotation, namely pipe cutting is performed when punching, when a user loosens the handle 3, the punching seat 2 moves upwards to reset, the guide mechanism 5 moves upwards along with the punching seat 2, the other side of the guide mechanism 5 abuts against the linkage piece 43, so that the linkage piece 43 is driven to rotate reversely, the linkage piece 43 drives the cutter assembly 41 to slide reversely in the pipe cutting frame 42 to reset through reverse rotation, namely pipe cutting reset is performed when punching is performed, and the pipe cutting mechanism 4 and the guide mechanism 5 are simple and reliable in structure and are not easy to loose and fall off.

As shown in fig. 1 to 5, the guiding mechanism 5 includes a first guiding rod 51 and a second guiding rod 52 which are distributed up and down, the linkage member 43 is provided with a limiting rod 431 which is matched with the guiding mechanism 5, the limiting rod 431 is located between the first guiding rod 51 and the second guiding rod 52, when a user presses the handle 3, the guiding mechanism 5 moves downwards along with the punching seat 2, namely, the first guiding rod 51 and the second guiding rod 52 move downwards along with the punching seat 2, the guiding mechanism 5 abuts against the limiting rod 431 of the linkage member 43 through the first guiding rod 51 located above, the first guiding rod 51 cooperates with the limiting rod 431 to drive the linkage member 43 to rotate in a pipe cutting direction, the linkage member 43 drives the cutter assembly 41 to slide in the pipe cutting direction in the pipe cutting frame 42 through rotation to perform pipe cutting action, when the user releases the handle 3, the guiding mechanism 5 moves upwards along with the punching seat 2, namely, the first guiding rod 51 and the second guiding rod 52 move upwards along with the punching seat 2, namely, the guiding mechanism 5 moves backwards along with the limiting rod 431 of the linkage member 43 through the second guiding rod 52 located below, the second guiding rod 431 cooperates with the cutter assembly 43 in the direction to rotate in a simple manner, the linkage member 43 slides in the direction in the pipe cutting direction, and the linkage member 43 slides in the direction is in the direction, and the linkage member 43 slides in the direction is rotated.

More specifically, the linkage member 43 includes a first end 432 and a second end 433, the stop lever 431 is formed by extending the side wall of the linkage member 43, the stop lever 431 and the linkage member 43 are in an integrated structure, the linkage member 43 is in a T shape, the linkage member 43 is rotationally connected with the support 1 through the first end 432, the linkage member 43 is rotationally connected with the cutter assembly 41 through the second end 433, the cutter assembly 41 is driven to slide back and forth in the pipe cutting frame 42 through the cooperation of the linkage member 43 and the guide mechanism 5, the length of the linkage member 43 is fixed, the linkage member 43 is rotationally connected with the support 1 through the first end 432, the punching seat 2 can drive the linkage member 43 to rotate by taking the first end 432 as a round point through the guide mechanism 5 in the vertical sliding process, the linkage member 43 is rotationally connected with the cutter assembly 41 through the second end 433, the linkage member 43 can drive the cutter assembly 41 to slide back and forth in the pipe cutting frame 42 through the second end 433 when being stressed and rotated, and the structure is simple and reliable, and is not easy to loosen.

More specifically, the pipe cutting frame 42 is provided with a pipe hole 421 along the longitudinal direction, the pipe cutting frame 42 is provided with a sliding groove 422 along the transverse direction, the pipe cutting frame 42 is provided with the pipe hole 421 along the longitudinal direction, the pipe cutting frame 42 is provided with the sliding groove 422 along the transverse direction, the sliding groove 422 is used for transversely accommodating the cutter assembly 41 to slide, the pipe hole 421 is communicated with the sliding groove 422, the cutter assembly 41 transversely slides in the sliding groove 422 to complete pipe cutting, one end of the cutter assembly 41 is rotationally connected with the second end 433 of the linkage piece 43, the other end of the cutter assembly 41 is arranged in the sliding groove 422, the cutter assembly 41 slides back and forth in the pipe cutting frame 42 through the sliding groove 422, the linkage piece 43 rotates to drive the cutter assembly 41 to slide back and forth in the sliding groove 422, the pipe cutting is more reliable, and the pipe cutting mechanism 4 is not easy to loose.

More specifically, the pipe cutting frame 42 is provided with a stop 423 matched with the second end 433 of the linkage piece 43, the linkage piece 43 makes the second end 433 and the stop 423 abut against to limit the cutter assembly 41 in the chute 422 through rotation, the linkage piece 43 rotates by taking the first end 432 as a round point, the linkage piece 43 drives the cutter assembly 41 to slide through the second end 433, when the punching seat 2 slides downwards, the linkage piece 43 drives the cutter assembly 41 to slide towards the pipe cutting direction under the action of the acting force of the guide mechanism 5, when the punching seat 2 slides upwards, the linkage piece 43 drives the cutter assembly 41 to slide towards the retracting direction under the acting force of the guide mechanism 5, and by arranging the stop 423 on the pipe cutting frame 42, when the linkage piece 43 drives the cutter assembly 41 to slide towards the retracting direction, the linkage piece 43 is limited by abutting against the stop 423 through the second end 433, so that the cutter assembly 41 is prevented from being separated from the chute 422, and the structure is more reliable, and the pipe cutting machine 4 is not easy to loose.

More specifically, cutter assembly 41 includes pipe cutter 411 and pipe cutter seat 412, and pipe cutter 411 installs on pipe cutter seat 412, and pipe cutter seat 412 rotates with the second end 433 of linkage 43 to be connected, and cutter assembly 41 is through setting up pipe cutter seat 412 in order to install pipe cutter 411 for pipe cutter 411's installation is fixed more reliable, and pipe cutter seat 412 rotates with linkage 43 to be connected, drives pipe cutter 411 through pipe cutter seat 412 and moves, avoids pipe cutter 411 wearing and tearing, prolongs pipe cutter 411's life.

More specifically, the pipe cutter seat 412 is provided with a limiting protrusion 4121, the pipe cutter frame 42 is provided with a limiting groove 424 matched with the limiting protrusion 4121, when the punching seat 2 slides upwards, the linkage piece 43 is driven by the acting force of the guide mechanism 5 to slide towards the retracting direction, when the punching seat 2 slides downwards, the linkage piece 43 is driven by the acting force of the guide mechanism 5 to slide towards the pipe cutter assembly 41, the pipe cutter seat 412 is provided with the limiting protrusion 4121, the pipe cutter frame 42 is provided with the limiting groove 424, when the linkage piece 43 drives the cutter assembly 41 to slide towards the pipe cutter direction, the limiting protrusion 4121 abuts against the limiting groove 424 to limit the limiting groove 424, and the linkage piece 43 is limited to rotate continuously, so that the cutter assembly 41 is prevented from sliding too deeply in the sliding groove 422, the structure is more reliable, and the pipe cutter 4 is not easy to loose.

More specifically, the pipe cutter 411 is mounted on the pipe cutter seat 412 through the fastener 413, the limiting protrusion 4121 is sleeved on the fastener 413, the pipe cutter 411 is fixed on the pipe cutter seat 412 through the fastener 413, the fixing structure is simple and reliable, the cutter assembly 41 is not easy to loose, the fastener 413 is fixed on the pipe cutter seat 412, the end part of the fastener 413 is protruded relative to the pipe cutter seat 412, the limiting protrusion 4121 is sleeved on the fastener 413, the whole cutter assembly 41 is more compact, and the structural distribution is more reasonable; in this embodiment, the fastener 413 is a bolt.

The present utility model is not limited to the above-described preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model, however, any change in shape or structure of the product is within the scope of the present utility model, and all the products having the same or similar technical solutions as the present application are included.

Claims (8)

1. The utility model provides a bookbinding machine with pipe cutting mechanism, includes support (1) and slidable mounting in support (1) punch seat (2), installs handle (3) and drive mechanism on punch seat (2), handle (3) pass through drive mechanism drive punch seat (2) and slide on support (1), a serial communication port, still include pipe cutting mechanism (4), pipe cutting mechanism (4) include cutter subassembly (41), pipe cutting frame (42) and linkage (43), the one end and support (1) of linkage (43) are connected, the other end and the cutter subassembly (41) of linkage (43) are connected, punch and be equipped with drive linkage (43) pivoted guiding mechanism (5) on seat (2) that punches, when handle (3) drive punch seat (2) down move, punch seat (2) drive guiding mechanism (5) down for guiding mechanism (5) drive linkage (43) rotate, linkage (43) drive subassembly (41) slide in pipe cutting frame (42), when handle (3) drive seat (2) drive upward movement (5) drive mechanism (5) and make punch seat (2) drive mechanism (5) upward and move (5) and make, the linkage piece (43) drives the cutter assembly (41) to slide and reset in the cutter pipe rack (42).

2. The bookbinding machine with the pipe cutting mechanism according to claim 1, wherein the guiding mechanism (5) comprises a first guiding rod (51) and a second guiding rod (52) which are distributed up and down, the linkage piece (43) is provided with a limiting rod (431) which is matched with the guiding mechanism (5), the limiting rod (431) is located between the first guiding rod (51) and the second guiding rod (52), when the guiding mechanism (5) moves downwards along with the punching seat (2), the first guiding rod (51) moves downwards to be matched with the limiting rod (431) to drive the linkage piece (43) to rotate, so that the cutter assembly (41) is stressed to slide in the pipe cutting frame (42), and when the guiding mechanism (5) moves upwards along with the punching seat (2), the second guiding rod (52) moves upwards to be matched with the limiting rod (431) to drive the linkage piece (43) to rotate reversely, so that the cutter assembly (41) is stressed to slide in the pipe cutting frame (42) to reset.

3. The stapling machine with a pipe cutting mechanism according to claim 1, wherein the linkage member (43) comprises a first end (432) and a second end (433), the linkage member (43) is rotatably connected with the stand (1) through the first end (432), and the linkage member (43) is rotatably connected with the cutter assembly (41) through the second end (433).

4. A bookbinding machine with a pipe cutting mechanism according to claim 3, wherein the pipe cutting frame (42) is provided with a pipe hole (421) along a longitudinal direction, the pipe cutting frame (42) is provided with a chute (422) along a transverse direction, the pipe hole (421) is communicated with the chute (422), one end of the cutter assembly (41) is rotationally connected with the second end (433) of the linkage member (43), the other end of the cutter assembly (41) is installed in the chute (422), and the linkage member (43) drives the cutter assembly (41) to slide back and forth in the chute (422) through rotation.

5. The stapling machine with a pipe cutting mechanism according to claim 4, wherein the pipe cutting frame (42) is provided with a stop (423) adapted to the second end (433) of the linkage (43), and the linkage (43) is rotated to make the second end (433) abut against the stop (423) to limit the cutter assembly (41) in the chute (422).

6. A binding machine with a pipe cutting mechanism according to claim 3, characterized in that the cutter assembly (41) comprises a pipe cutter (411) and a pipe cutter seat (412), the pipe cutter (411) being mounted on the pipe cutter seat (412), the pipe cutter seat (412) being in rotational connection with the second end (433) of the linkage (43).

7. The bookbinding machine with pipe cutting mechanism of claim 6, wherein the pipe cutting tool holder (412) is provided with a limiting protrusion (4121), and the pipe cutting frame (42) is provided with a limiting groove (424) adapted to the limiting protrusion (4121).

8. The bookbinding machine with the pipe cutting mechanism of claim 7, wherein the pipe cutting knife (411) is mounted on the pipe cutting knife seat (412) through a fastener (413), and the limiting protrusion (4121) is sleeved on the fastener (413).