CN112476573A

CN112476573A - Rivet tube binding file taking and riveting machine

Info

Publication number: CN112476573A
Application number: CN202011483424.XA
Authority: CN
Inventors: 曹东华; 廖建新
Original assignee: Dongguan Junneng Electronic Technology Co ltd
Current assignee: Dongguan Junneng Electronic Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-03-12

Abstract

The invention discloses a rivet taking machine for a rivet tube binding file, which comprises a base, an upper support fixed on the base, a pushing mechanism and a driving mechanism, wherein a cutter mounting part is arranged at the lower part of the pushing mechanism, an upper positioning column and a rivet head cutter are fixed on the cutter mounting part, a circular cutting edge is arranged at the lower end part of the rivet head cutter, the upper positioning column and the rivet head cutter are coaxially mounted, the lower end part of the upper positioning column extends downwards from the central part of the rivet head cutter and protrudes below the rivet head cutter, and an annular rivet tube inserting chamber is arranged between the upper positioning column and the circular cutting edge. The riveting device has the advantages that the head of the riveting pipe is positioned and cut off through the positioning column and the riveting head cutter which are coaxially arranged, the riveting pipe is automatically dismounted and the riveting is automatically released, the cutting effect is good, the speed is high, the file cannot be damaged, the structure is simple, the cost is low, and the operation is simple and convenient.

Description

Rivet tube binding file taking and riveting machine

Technical Field

The invention relates to the technical field of a pipe riveting and removing machine special for a pipe-dismounting binding file, in particular to a pipe riveting and removing machine for a pipe riveting binding file.

Background

The file binding machine is used for binding files, bills, vouchers and the like, drills out a circular binding hole on the edge of the file through a drill, and then hot-presses and rivets the upper end and the lower end of a riveting pipe inserted into the binding hole into a riveting pipe head through a hot-pressing riveting mechanism so as to realize riveting pipe binding.

The rivet pipe is taken out in a manual mode of cutting off the rivet pipe, so that the operation is very troublesome, the rivet pipe head of the rivet pipe is tightly attached to the file, the rivet pipe is very difficult to cut off, particularly, the force of cutting tools such as a beauty knife worker is difficult to control, and the file is very easy to cut off.

At present, equipment special for removing the riveting pipe is not available, and the applicant finds that the equipment for removing the riveting pipe still has some technical problems to be solved in the development process, for example, complete concentric coaxiality of a drill and the riveting pipe cannot be ensured, particularly for files with large thickness, the head of the upper riveting pipe of the riveting pipe is often inclined relative to the head of the lower riveting pipe, complete vertical alignment and concentric and coaxial state of the head of the upper riveting pipe cannot be ensured, the drill cannot completely cut off the head of the upper riveting pipe of the riveting pipe, and the situation that the drill cuts the files easily occurs, so that improvement is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the riveting tube binding file taking and riveting machine which is simple in structure, low in cost, simple and convenient to operate and capable of automatically removing the riveting tube.

In order to achieve the purpose, the invention adopts the technical scheme that: the riveting tube binding file rivet taking machine comprises a base for placing a binding file with a riveting tube, an upper support fixed on the base, a pushing and pressing mechanism and a driving mechanism, wherein the pushing and pressing mechanism and the driving mechanism are slidably mounted on the upper support;

the lower part of the pushing and pressing mechanism is provided with a cutter mounting part, an upper positioning column and a riveting head cutter are fixed on the cutter mounting part, a circular cutting edge is arranged at the lower end part of the riveting head cutter, the upper positioning column and the riveting head cutter are coaxially mounted, the lower end part of the upper positioning column extends downwards from the central part of the riveting head cutter and protrudes below the riveting head cutter, and an annular riveting pipe insertion chamber is arranged between the upper positioning column and the circular cutting edge.

Furthermore, the cutting edge of the circular cutting edge is obliquely arranged, the inner diameter of the lower part of the circular cutting edge is larger than that of the upper part of the circular cutting edge, the inner diameter of the rivet pipe inserted into the chamber is not smaller than the sum of the diameter of the upper positioning column and the thickness of the rivet pipe, and the outer diameter of the upper positioning column is not larger than that of the rivet pipe; the lower part of the upper positioning column is formed with a guide cone part which is gradually reduced from top to bottom.

Furthermore, the pushing mechanism comprises a pushing rod which is slidably mounted on the upper bracket, a connecting rod and/or the cutter mounting part are fixed at the lower part of the pushing rod, one of the pushing rod, the connecting rod or the cutter mounting part is slidably mounted with a rivet removing assembly, and the rivet removing assembly is movably sleeved on the outer edge of one of the pushing rod, the connecting rod or the cutter mounting part; the riveting head cutter is accommodated in an inner cavity of the riveting releasing component in an initial state; the cutter dodges the hole in the middle part of taking off the bottom surface of riveting subassembly, and the vertical cutter that aligns of die cutter dodges the hole, and circular cutting edge is accomodate in the cutter dodges in the hole or circular cutting edge retraction is in the top in cutter dodges the hole under initial condition.

Furthermore, a height adjusting seat is installed at the middle upper part of the upper support, the pushing rod is installed on the height adjusting seat in a sliding mode along the vertical direction, and the connecting rod is fixedly installed at the lower part of the pushing rod;

the riveting component comprises a riveting sliding sleeve, and the riveting sliding sleeve which is slidably arranged on the connecting rod is movably sleeved on the outer edge of the middle lower part of the connecting rod;

a rivet removing spring is arranged between the rivet removing sliding sleeve and the connecting rod, one end of the rivet removing spring is connected with the connecting rod, and the other end of the rivet removing spring is connected with the rivet removing sliding sleeve and provides a downward acting force for the rivet removing sliding sleeve; the upper part of the side wall of the riveting-removing sliding sleeve is provided with a limiting sliding groove extending along the vertical direction, a limiting retaining column is fixed on the connecting rod, and the limiting retaining column slides in the limiting sliding groove;

the inner diameter of the rivet head cutter is smaller than that of the cutter avoidance hole; and in an initial state, the lower end part of the circular cutting edge is higher than the bottom surface of the riveting removal sliding sleeve, and at least the circular cutting edge of the riveting cutter penetrates through the cutter avoiding hole and protrudes below the bottom surface of the riveting removal sliding sleeve after the riveting cutter moves downwards relative to the riveting removal sliding sleeve.

Further, the rivet removing assembly comprises a paper pressing plate, a guide post is fixedly mounted at the lower part of the pushing and pressing mechanism, the paper pressing plate is slidably mounted on the guide post, a cutter avoiding hole or an avoiding groove in clearance fit with the rivet head cutter is formed in the middle of the paper pressing plate, and the rivet head cutter is vertically aligned with the cutter avoiding hole or the avoiding groove; the lower end part of the circular cutting edge of the riveting head cutter is not lower than the bottom surface of the paper pressing plate in the initial state.

Furthermore, the upper positioning column and the rivet head cutter are respectively fixed on the connecting rod, the lower end part of the upper positioning column is protruded below the paper pressing plate in an initial state, and the upper positioning column and the rivet head cutter respectively have downward displacement relative to the paper pressing plate after the paper pressing plate moves downward and is abutted against the bound files installed on the base, so that the circular cutting edge moves downward relative to the paper pressing plate and is protruded below the paper pressing plate.

Furthermore, the middle upper part of the upper bracket is provided with a height adjusting seat, the driving mechanism adopts a manual driving mechanism or an electric driving mechanism,

the electric driving mechanism comprises a motor and a transmission gear, the motor and the transmission gear are respectively arranged on the height adjusting seat, the motor is in transmission connection with the transmission gear, and the transmission gear is in transmission connection with the pushing rod so as to drive the pushing rod to move up and down;

the manual driving mechanism comprises a handle and a rotating part arranged on the height adjusting seat, the inner end of the handle is fixed on the rotating part, the outer end of the handle is provided with a manual pressing part, the rotating part (in transmission connection with a pushing rod, the pushing rod is sleeved with a return spring, the lower end of the return spring abuts against the upper part of the height adjusting seat, and the upper end of the return spring abuts against the upper part of the pushing rod.

Furthermore, the bottom of connecting rod is fixed with two guide posts about, press the paper board slidable mounting in the lower part of two guide posts, and two guide post overlaps respectively and is equipped with an upper portion elasticity and supports the spring that supports in the bottom of connecting rod, lower extreme elasticity and supports in the paper board, and the paper board is fixed with the lower limit switch that is used for restricting the lower extreme position of circular cutting edge triggers lower limit switch when the lower tip of circular cutting edge surpasss the distance that the bottom surface of paper board set up.

The height adjusting device further comprises a control unit, wherein the height adjusting seat is provided with an upper limit switch, and the pushing rod is in trigger fit with the upper limit switch or the transmission gear is in trigger fit with the upper limit switch when the pushing rod moves upwards to the initial position;

the lower end part of the circular cutting edge exceeds the bottom surface of the paper pressing plate and is in triggering fit with the pushing and pressing mechanism by a distance which is set by the bottom limit switch;

the control unit is electrically connected with the upper limit switch and the lower limit switch respectively;

the height adjusting seat is provided with a transmission chamber and a vertically arranged guide through hole, and the transmission gear is rotatably arranged in the transmission chamber;

the upper limit switch is arranged in the transmission chamber;

the pushing rod is slidably arranged in the guide through hole, and one side of the pushing rod, which faces the transmission gear, is provided with transmission teeth;

the transmission chamber is arranged on one side of the guide through hole, the transmission chamber is communicated with the guide through hole, and a transmission gear arranged in the transmission chamber extends into the guide through hole and is in transmission connection with the transmission gear;

one side of the pushing rod is provided with a limiting groove extending along the vertical direction, one side of the height adjusting seat is provided with a transversely arranged limiting column, and the tail end of the limiting column extends into the limiting groove;

the bottom surface of the pushing rod is provided with a first jack, the upper part of the connecting rod is inserted and fixed in the first jack, the side surface of the pushing rod is screwed with a first locking screw which is transversely arranged, and the first locking screw abuts against the upper part of the connecting rod;

the bottom surface of the connecting rod is provided with a second jack and a third jack which are concentrically and coaxially arranged, the inner diameter of the second jack is smaller than that of the third jack, and the depth of the second jack is smaller than that of the third jack;

the upper part of the upper positioning column is inserted and fixed in a second jack, the side surface of the connecting rod is in threaded connection with a second locking screw which is transversely arranged, and the second locking screw abuts against the upper part of the upper positioning column;

the upper part of the rivet head cutter is inserted and fixed in a third jack, the side surface of the connecting rod is screwed with a transversely arranged third locking screw, and the third locking screw abuts against the upper part of the rivet head cutter;

the inner diameter of the cutter avoiding hole is larger than the outer diameter of the rivet head cutter and smaller than the outer diameter of the rivet pipe head of the rivet pipe.

Furthermore, the cutter installation part is provided with a clamping part, the clamping part is provided with a locking mechanism, one of the clamping parts is fixedly provided with the rivet cutter or a hollow drill used for drilling a round hole in a file binding machine, a circular cutting edge is formed at the outer end part of the hollow drill, the middle part of the hollow drill is provided with a chip removing through hole which vertically penetrates through the hollow drill, and the hollow drill clamped in the clamping part is inserted and sleeved in the outer edge of the positioning column, the circular cutting edge is upwards arranged, and the upper end part of the circular cutting edge of the hollow drill in the height direction is lower than the upper end part of the positioning column.

Further, the riveting head device comprises a lower positioning column which is convexly fixed on the upper part of the top surface of the base and is provided with a guide cone part which gradually becomes larger from bottom to top and is vertically aligned with the riveting head cutter, and/or a laser emitter which is arranged above the base and irradiates a laser positioning cursor towards the base.

After adopting the structure, compared with the prior art, the invention has the advantages that: the riveting device has the advantages that the head of the riveting pipe is positioned and cut off through the positioning column and the riveting head cutter which are coaxially arranged, the riveting pipe is automatically dismounted and the riveting is automatically released, the cutting effect is good, the speed is high, the file cannot be damaged, the structure is simple, the cost is low, and the operation is simple and convenient.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of a riveting tube binding document taking and riveting machine adopting an electric driving mechanism.

Fig. 2 is a schematic view of the internal structure of a rivet tube binding document taking and riveting machine adopting an electric driving mechanism.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram of a riveting tube binding document riveting machine adopting an electric driving mechanism and using a riveting sliding sleeve to rivet.

Fig. 5 is a schematic structural diagram of a riveting tube binding document taking and riveting machine adopting a manual driving mechanism.

Fig. 6 is a schematic diagram of the internal structure of the riveting tube binding file riveting machine adopting a manual driving mechanism.

Fig. 7 is a partially enlarged view at B in fig. 6.

The labels in the figure are:

1, a base 11 and a height adjusting seat 12 push a rod 13, a support 14 guides a through hole 15, a transmission chamber 16 and a limiting groove 17, and a limiting column 18 is used for restoring a spring.

2 lower positioning columns.

31 connecting the post 33 on the rod 32 and the bit cutter 34 to insert the tube into the chamber.

41 guide post 42 presses platen hole 43 cutter relief hole 44 spring.

The motor 51 52 drives the gear 53 lower limit switch 54 upper limit switch hand pressure handle.

6 rivet-removing sliding sleeve 61 limiting sliding chute 62 limiting stop pillar 63 rivet-removing spring.

7 handle 71 turning part.

Detailed Description

A riveting tube binding document taking and riveting machine is shown in figures 1 to 7 and comprises a base 1 for placing a binding document with a riveting tube, an upper support 13 fixed on the base 1, a pushing and pressing mechanism and a driving mechanism, wherein the pushing and pressing mechanism is slidably mounted on the upper support 13, and the driving mechanism is in transmission connection with the pushing and pressing mechanism; a cutter mounting part is arranged at the lower part of the pushing mechanism, an upper positioning column 32 and a rivet head cutter 33 are fixed on the cutter mounting part, a circular cutting edge is arranged at the lower end part of the rivet head cutter 33, the upper positioning column 32 and the rivet head cutter 33 are coaxially mounted, the lower end part of the upper positioning column 32 extends downwards from the central part of the rivet head cutter 33 and protrudes below the rivet head cutter 33, and an annular rivet pipe inserting chamber 34 is arranged between the upper positioning column 32 and the circular cutting edge. The lower part of the upper positioning column 32 is formed with a guide cone part which is gradually reduced from top to bottom; the upper positioning column 32 can be conveniently inserted into the tube cavity of the riveting tube. Specifically, the cutter mounting portion includes a connecting rod 31 fixed to a lower portion of the pressing mechanism, and the upper positioning column 32 and the rivet head cutter 33 are fixed to the connecting rod 31, respectively. The riveting device has the advantages that the head of the riveting pipe is positioned and cut off through the positioning column and the riveting head cutter which are coaxially arranged, the riveting pipe is automatically dismounted and the riveting is automatically released, the cutting effect is good, the speed is high, the file cannot be damaged, the structure is simple, the cost is low, and the operation is simple and convenient.

Preferably, the base 1 is fixedly provided with a lower positioning column 2 protruding from the top surface of the base 1, and the upper part of the lower positioning column 2 is formed with a guide cone portion gradually enlarged from top to bottom, so that the lower positioning column 2 can be conveniently inserted into the pipe cavity of the riveting pipe. The lower positioning column 2 is vertically aligned with the rivet head cutter 33. Before riveting, firstly, the bound file is placed on the base 1, the lower positioning column is inserted into a hole part of the head part of the lower riveting tube of the riveting tube to be detached 2, the lower riveting head part of the riveting tube to be detached is concentric and coaxial with the lower positioning column 2, namely, the lower riveting head part of the riveting tube to be detached is concentric and coaxial with the riveting cutter 33, the upper riveting head of the riveting tube to be detached can be vertically aligned with the riveting cutter 33, and quick preliminary alignment of the riveting tube and the riveting cutter 33 is realized. Or, the riveting tube binding file taking and riveting machine can also be arranged on a laser emitter above the base 1 and irradiating a laser positioning cursor towards the base 1, and the quick preliminary alignment of the riveting tube and the riveting head cutter 33 is realized through the indication of the laser positioning cursor.

In the riveting process, the upper positioning column 32 and the rivet cutter 33 are driven to move downwards, the upper positioning column 32 which is relatively protruded below is automatically inserted into a hole part of the upper rivet pipe head of the rivet pipe which is vertically aligned with the rivet cutter 33 in advance, so that the relative position relationship between the upper positioning column 32 and the upper rivet pipe head of the rivet pipe is always kept concentric and coaxial, the rivet cutter 33 which is kept concentric and coaxial with the rivet pipe after the rivet cutter 33 continuously moves downwards just cuts the upper rivet pipe head of the rivet pipe from the pipe wall of the rivet pipe, and in the riveting process, the rivet pipe is only required to be roughly aligned with the rivet cutter 33, including roughly aligning the rivet pipe with the rivet cutter 33 by other methods such as manual alignment, and the relative position relationship between the rivet cutter 33 and the rivet pipe is changed or kept concentric and coaxial by the guiding action of the upper positioning column 32, and the relative position between the rivet cutter 33 and the rivet pipe is deviated, the automatic guiding and deviation rectifying are carried out through the upper positioning column 32 in the rivet cutting process, and the rivet head cutter 33 is guaranteed to be capable of smoothly cutting off the upper rivet pipe head of the rivet pipe.

Preferably, the lower end of the rivet head cutter 33 is provided with a clearance hole and a wall body surrounding the outer edge of the clearance hole, the upper positioning column 32 extends downwards from the middle part of the clearance hole, a rivet tube insertion chamber 34 for avoiding the wall of the rivet tube is provided between the upper positioning column 32 and the wall body, a circular cutting edge with a downward circular cutting edge is formed at the lower edge of the wall body, and the cutting edge provided with the circular cutting edge is obliquely arranged, and the inner diameter of the lower portion of the circular cutting edge is greater than the inner diameter of the upper portion of the circular cutting edge, preferably, the inner diameter of the rivet pipe insertion chamber 34 is greater than the sum of the diameter of the upper positioning post 32 and the thickness of the rivet pipe, so that the pipe wall of the rivet pipe can be easily and smoothly inserted into the rivet pipe insertion chamber 34, when the pipe wall of the rivet pipe is large, the inclined cutting edges enable the pipe wall of the rivet pipe to be smoothly inserted and extruded into the rivet pipe insertion chamber 34 under the action of pressure.

When the pipe wall of the riveting pipe is relatively large, namely the inner diameter of the riveting pipe insertion chamber 34 is equal to or slightly smaller than the sum of the diameter of the upper positioning column 32 and the thickness of the riveting pipe, the circular cutting edge with the inclined cutting edge can guide and extrude the upper end part of the cut pipe wall of the riveting pipe and force the circular cutting edge to be inserted into the riveting pipe insertion chamber 34, the pipe wall of the end part of the riveting pipe can be also extruded into the riveting pipe insertion chamber 34 under the action of pressure, and the problem that the head part of the riveting pipe cannot be cut off due to insufficient downward displacement of the circular cutting edge caused by the fact that the circular cutting edge is blocked by the head part of the riveting pipe is solved.

Preferably, the outer diameter of the upper positioning column 32 is not greater than the inner diameter of the rivet pipe, so that the rivet pipe is more smooth and convenient when the positioning column 32 is inserted into the rivet pipe sleeve. In the process of cutting off the head of the rivet pipe, particularly in the process of cutting off the head of the rivet pipe with larger thickness, the outer end part of the pipe wall of the rivet pipe is forced to be inserted into the rivet pipe inserting chamber 34 through the inclined cutting edge and the guiding action of the upper positioning column 32, the depth of the rivet pipe inserting chamber 34 is larger than 0.5mm, the rivet head cutter 33 is ensured to have enough upward displacement, the head of the rivet pipe is ensured to be cut off, and the rivet pipe is prevented from being hard-topped by the rivet head cutter 33.

Preferably, the inner diameter of the cutter relief hole 43 is greater than the outer diameter of the rivet head cutter 33 and less than the outer diameter of the rivet tube head of the rivet tube. Of course, the middle part of the paper pressing plate 42 may also be provided with a clearance groove in clearance fit with the rivet cutter 33, and the width of the clearance groove is larger than the outer diameter of the rivet cutter 33 and smaller than the outer diameter of the rivet pipe head of the rivet pipe, so as to realize automatic rivet releasing while the rivet cutter 33 passes through.

Preferably, an electric driving mechanism is used for driving the pushing rod 12 to move up and down to form an electric riveter, as shown in fig. 1 to 4, the driving mechanism comprises a control unit, a motor 51 installed on the height adjusting seat 11 and a transmission gear 52 rotatably installed on the height adjusting seat 11, the motor 51 is in transmission connection with the transmission gear 52, the transmission gear 52 is in transmission connection with the pushing rod 12, the control unit is electrically connected with the motor 51 to drive the pushing rod 12 to move up and down through the motor 51, and the control unit respectively receives switching signals of an upper limit switch 54 and a lower limit switch 53 and controls the motor 51 to work correspondingly, so that full-automatic rivet cutting and riveting are realized.

The electric rivet taking machine can be provided with a limit switch to realize full-automatic rivet cutting and taking, and specifically, the height adjusting seat 11 is provided with an upper limit switch 54, and the upper limit switch 54 is arranged in the transmission chamber 15; the rivet removing component is a paper pressing plate 42 or a rivet removing sliding sleeve 6, the paper pressing plate 42 or the rivet removing sliding sleeve 6 is slidably mounted below the rivet cutter 33 along the vertical direction, and the paper pressing plate 42 or the rivet removing sliding sleeve 6 is provided with a cutter avoiding hole 43 vertically aligned with the rivet cutter 33. The lower limit switch 53 for limiting the lower limit position of the circular cutting edge is fixed on the rivet removing assembly, and the lower limit switch 53 is triggered when the lower end part of the circular cutting edge exceeds the distance set on the bottom surface of the rivet removing assembly, wherein the distance is approximately equal to the thickness of the rivet pipe head of the rivet pipe. When the push rod 12 moves upwards to the initial position, the push rod 12 is in triggering fit with the upper limit switch 54 or the transmission gear 52 is in triggering fit with the upper limit switch 54; the lower limit switch 53 is in triggering fit with the pushing and pressing mechanism at a distance which is set when the lower end part of the circular cutting edge exceeds the bottom surface of the rivet removing component; the control unit is electrically connected with an upper limit switch 54 and a lower limit switch 53 respectively, when the control unit receives a switch signal of the upper limit switch 54, the control motor 51 is stopped to stop the push rod 12 and the riveting head cutter 33 at the initial positions, and when the control unit receives a switch signal of the lower limit switch 53, the control motor 51 is reversely rotated to move the push rod 12 and the riveting head cutter 33 upwards for resetting.

Preferably, the pushing rod 12 is driven to move up and down by a manual driving mechanism, as shown in fig. 5 to 7, the structure is simple, the cost is high, the operation is stable and reliable, and the operation is simple and convenient without electric support. The manual driving mechanism comprises a handle 7, a rotating part 71 and a transmission gear 52 rotatably mounted on the height adjusting seat 11, the inner end of the handle 7 is fixed on the rotating part 71, the outer end of the handle is provided with a hand pressing part, the rotating part 71 is fixedly connected or in transmission connection with the transmission gear 52, and the transmission gear 52 is in transmission connection with the pushing rod 12.

Preferably, the transmission mechanism is designed on the height adjusting seat 11, the height adjusting seat 11 is provided with a transmission chamber 15 and a vertically arranged guide through hole 14, and the transmission gear 52 is rotatably installed in the transmission chamber 15; the push rod 12 is slidably arranged in the guide through hole 14, and one side of the push rod 12 facing the transmission gear 52 is provided with transmission teeth; the transmission chamber 15 is arranged at one side of the guide through hole 14, the transmission chamber 15 is communicated with the guide through hole 14, and the transmission gear 52 arranged in the transmission chamber 15 extends into the guide through hole 14 and is in transmission connection with the transmission gear.

Specifically, a limiting groove 16 extending in the vertical direction is formed in one side of the pushing rod 12, a transversely-arranged limiting column 17 is installed on one side of the height adjusting seat 11, the tail end of the limiting column 17 extends into the limiting groove 16, and the stroke of the pushing rod 12 is limited through the matching of the limiting column 17 and the limiting groove 16. The push rod 12 is sleeved with a return spring 18, the lower end of the return spring abuts against the upper part of the height adjusting seat 11, the upper end of the return spring abuts against the upper part of the push rod 12, the push rod 12 is driven to move downwards through the handle 7, and the return spring 18 provides return acting force for the push rod 12 and the handle 7.

A first jack is formed in the bottom surface of the pushing rod 12, the upper portion of the connecting rod 31 is fixedly inserted into the first jack, a first locking screw transversely arranged is screwed on the side surface of the pushing rod 12, the first locking screw abuts against the upper portion of the connecting rod 31, and the connecting rod 31 can be detached and replaced; the bottom surface of the connecting rod 31 is provided with a second jack and a third jack which are concentrically and coaxially arranged, the inner diameter of the second jack is smaller than that of the third jack, and the depth of the second jack is smaller than that of the third jack; the upper part of the upper positioning column 32 is inserted and fixed in a second jack, the side surface of the connecting rod 31 is screwed with a second locking screw which is transversely arranged, the second locking screw abuts against the upper part of the upper positioning column 32, and the upper positioning column 32 can be detached and replaced; the upper part of the rivet head cutter 33 is fixedly inserted into a third jack, a third locking screw which is transversely arranged is screwed on the side surface of the connecting rod 31, the third locking screw abuts against the upper part of the rivet head cutter 33, the rivet head cutter 33 can be detached and replaced, and meanwhile the upper positioning column 32 and the rivet head cutter 33 are kept concentric and coaxial.

The upper positioning post 32 and the rivet cutter 33 are separately installed and fixed on the pushing rod 12 or the connecting rod 31 installed below the pushing rod 12, but of course, only one locking screw may be used to lock the upper positioning post 32 and the rivet cutter 33 at the same time, or the upper positioning post 32 and the rivet cutter 33 may be fixed together and then locked and fixed on the pushing rod 12 or the connecting rod 31 installed below the pushing rod 12.

Or, a clamping part is arranged on the cutter mounting part, a locking mechanism is arranged on the clamping part, a rivet cutter 33 is fixedly arranged on the clamping part, and the rivet cutter 33 can be replaced after the locking mechanism is released. Preferably, a hollow drill used in the file binding machine for drilling a round hole in a file is fixedly installed at the clamping part, a circular cutting edge is formed at the outer end part of the hollow drill, a chip removing through hole in the drill vertically penetrating through the hollow drill is formed in the middle of the hollow drill, the hollow drill clamped at the clamping part is inserted in the outer edge of the positioning column in a sleeved mode, the circular cutting edge is arranged upwards, the upper end part of the circular cutting edge of the hollow drill in the height direction is lower than the upper end part of the positioning column, the hollow drill used in the riveting tube file binding machine is used as the riveting head cutter 33 of the riveting head cutter, the hollow drill and the riveting tube of the bound file bound by the riveting tube file binding machine have good size matching performance, the effect of dismounting the riveting tube is very good, and the use is very convenient.

Preferably, the paper pressing plate 42 is used for matching with the rivet head cutter 33 to realize automatic rivet removing, specifically, as shown in fig. 1-3, the lower part of the pushing and pressing mechanism is fixedly provided with a guide post 41, the guide post 41 is slidably provided with the paper pressing plate 42, the middle part of the paper pressing plate 42 is provided with a cutter avoiding hole 43, the cutter avoiding hole 43 is in clearance fit with the rivet head cutter 33, and the rivet head cutter 33 is vertically aligned with the cutter avoiding hole 43; the lower end of the circular cutting edge of the rivet cutter 33 is not lower than the bottom surface of the paper pressing plate 42 in the initial state. After the push rod 12 and the rivet cutter 33 move upwards and return, the paper pressing plate 42 moves downwards relative to the rivet cutter 33 under the action of the spring 44, the head of the cut rivet pipe is ejected downwards, the head of the rivet pipe is prevented from being tightly sleeved or adhered to the rivet cutter 33, and automatic rivet taking and full-automatic rivet releasing are realized. The bottom of the connecting rod 31 is fixed with a left guide post 41 and a right guide post 41, the paper pressing plate 42 is slidably mounted at the lower part of the two guide posts 41, the two guide posts 41 are respectively sleeved with a spring 44 with the upper part elastically abutting against the bottom of the connecting rod 31 and the lower end elastically abutting against the paper pressing plate 42, the paper pressing plate 42 can move up and down along the guide posts 41, the spring 44 provides a downward acting force for the paper pressing plate 42, the lower end part of the upper positioning post 32 protrudes below the paper pressing plate 42 in an initial state, and the upper positioning post 32 and the rivet head cutter 33 respectively have downward displacement relative to the paper pressing plate 42 after the paper pressing plate 42 moves downward and abuts against the bound document mounted on the base 1, so that the circular cutting edge moves downward relative to the paper pressing plate 42 and protrudes below the paper pressing plate 42. The middle upper part of the upper bracket 13 is provided with a height adjusting seat 11, the pushing and pressing mechanism comprises a pushing and pressing rod 12 which is arranged on the height adjusting seat 11 in a sliding mode along the vertical direction, the pushing and pressing rod 12 is vertically aligned with the upper positioning column 32, and the lower part of the pushing and pressing rod 12 is fixedly provided with a cutter mounting part;

preferably, the rivet removing sliding sleeve 6 is matched with the rivet head cutter 33 to realize automatic rivet removing, and specifically, as shown in fig. 4-7, the upper bracket 13 comprises a vertical rod vertically fixed above the base 1, a push rod 12 slidably mounted on the height adjusting seat 11 and a handle driving mechanism, and the handle driving mechanism is in transmission connection with the push rod 12; a connecting rod 31 is fixedly arranged at the lower part of the pushing rod 12, a riveting head cutter 33 is fixed at the lower part of the connecting rod 31, a circular cutting edge is arranged at the lower end part of the riveting head cutter 33, a riveting removing sliding sleeve 6 is slidably arranged at the middle lower part of the connecting rod 31, and the riveting removing sliding sleeve 6 is movably sleeved at the outer edge of the connecting rod 31; the riveting head cutter 33 is accommodated in the inner cavity of the riveting sliding sleeve 6 in the initial state; the middle part of the bottom surface of the rivet removing sliding sleeve 6 is provided with a cutter avoiding hole 43, the rivet head cutter 33 is vertically aligned with the cutter avoiding hole 43, and the circular cutting edge is accommodated in the cutter avoiding hole 43 or retracted above the cutter avoiding hole 43 in the initial state. The inner diameter of the rivet head cutter 33 is smaller than that of the cutter avoiding hole 43; the lower end of the circular cutting edge is higher than the bottom surface of the riveting sliding sleeve 6 in the initial state, and at least the circular cutting edge of the riveting cutter 33 passes through the cutter avoiding hole 43 and protrudes below the bottom surface of the riveting sliding sleeve 6 after the riveting cutter 33 moves downwards relative to the riveting sliding sleeve 6.

A rivet-removing spring 63 which has one end connected to the connecting rod 31 and the other end connected to the rivet-removing sliding sleeve 6 and provides a downward acting force for the rivet-removing sliding sleeve 6 is arranged between the rivet-removing sliding sleeve 6 and the connecting rod 31; the upper portion of the side wall of the riveting-removing sliding sleeve 6 is provided with a limiting sliding groove 61 extending along the vertical direction, the connecting rod 31 is fixed with a limiting stop pillar 62, and the limiting stop pillar 62 slides in the limiting sliding groove 61 to realize guiding and limiting of the riveting-removing sliding sleeve 6. After the pushing rod 12 and the rivet head cutter 33 move upwards and reset, the rivet removing sliding sleeve 6 moves downwards relative to the rivet head cutter 33 under the action of the spring force of the rivet removing spring 63, the head of the cut rivet pipe is popped downwards, the head of the rivet pipe is prevented from being tightly sleeved or adhered to the rivet head cutter 33, and automatic rivet taking and full-automatic rivet removing are achieved.

An upper positioning column 32 is fixed at the lower part of the connecting rod 31, the upper positioning column 32 and the rivet head cutter 33 are coaxially arranged, and the lower end part of the upper positioning column 32 extends downwards from the central part of the rivet head cutter 33 and protrudes below the rivet head cutter 33; the lower end of the upper positioning column 32 protrudes below the riveting sliding sleeve 6, and an annular riveting pipe insertion chamber 34 is arranged between the upper positioning column 32 and the circular cutting edge.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. Rivet pipe is bound file and is got riveter, its characterized in that: the paper binding machine comprises a base (1) for placing a bound document with a riveting pipe, an upper support (13) fixed on the base (1), a pushing mechanism and a driving mechanism, wherein the pushing mechanism and the driving mechanism are slidably mounted on the upper support (13), and the driving mechanism is in transmission connection with the pushing mechanism;

a cutter mounting part is arranged at the lower part of the pushing and pressing mechanism, an upper positioning column (32) and a riveting head cutter (33) are fixed on the cutter mounting part, a circular cutting edge is arranged at the lower end part of the riveting head cutter (33), the upper positioning column (32) and the riveting head cutter (33) are coaxially mounted, the lower end part of the upper positioning column (32) extends downwards from the central part of the riveting head cutter (33) and protrudes below the riveting head cutter (33), and an annular riveting pipe inserting chamber (34) is arranged between the upper positioning column (32) and the circular cutting edge.

2. The rivet tube binding file rivet taking machine according to claim 1, characterized in that: the cutting edge of the circular cutting edge is obliquely arranged, the inner diameter of the lower part of the circular cutting edge is larger than that of the upper part of the circular cutting edge, the inner diameter of the riveting pipe insertion chamber (34) is not smaller than the sum of the diameter of the upper positioning column (32) and the thickness of the riveting pipe, and the outer diameter of the upper positioning column (32) is not larger than that of the riveting pipe; the lower part of the upper positioning column (32) is formed with a guide cone part which is gradually reduced from top to bottom.

3. The rivet tube binding file rivet taking machine according to claim 1, characterized in that: the pushing mechanism comprises a pushing rod (12) which is slidably mounted on the upper bracket (13), a connecting rod (31) and/or the cutter mounting part is fixed at the lower part of the pushing rod (12), one of the pushing rod (12), the connecting rod (31) or the cutter mounting part is slidably mounted with a rivet removing assembly, and the rivet removing assembly is movably sleeved on the outer edge of one of the pushing rod (12), the connecting rod (31) or the cutter mounting part; the riveting head cutter (33) is accommodated in the inner cavity of the riveting component in the initial state; the middle part of the bottom surface of the rivet removing assembly is provided with a cutter avoiding hole (43), the rivet head cutter (33) is vertically aligned with the cutter avoiding hole (43), and the circular cutting edge is accommodated in the cutter avoiding hole (43) or retracted above the cutter avoiding hole (43) in the initial state.

4. The rivet tube binding file rivet taking machine according to claim 3, characterized in that: the middle upper part of the upper bracket (13) is provided with a height adjusting seat (11), the push rod (12) is arranged on the height adjusting seat (11) in a sliding way along the vertical direction, and the lower part of the push rod (12) is fixedly provided with the connecting rod (31);

the rivet removing component comprises a rivet removing sliding sleeve (6), and the rivet removing sliding sleeve (6) which is slidably arranged on the connecting rod (31) is movably sleeved on the outer edge of the middle lower part of the connecting rod (31);

a rivet-removing spring (63) which is connected with the connecting rod (31) at one end and connected with the rivet-removing sliding sleeve (6) at the other end and provides a downward acting force for the rivet-removing sliding sleeve (6) is arranged between the rivet-removing sliding sleeve (6) and the connecting rod (31); the upper part of the side wall of the riveting-removing sliding sleeve (6) is provided with a limiting sliding groove (61) extending along the vertical direction, a limiting stop pillar (62) is fixed on the connecting rod (31), and the limiting stop pillar (62) slides in the limiting sliding groove (61);

the inner diameter of the rivet head cutter (33) is smaller than that of the cutter avoidance hole (43); in an initial state, the lower end part of the circular cutting edge is higher than the bottom surface of the riveting removing sliding sleeve (6), and at least the circular cutting edge of the riveting head cutter (33) penetrates through the cutter avoiding hole (43) and protrudes below the bottom surface of the riveting removing sliding sleeve (6) after the riveting head cutter (33) moves downwards relative to the riveting removing sliding sleeve (6).

5. The rivet tube binding file rivet taking machine according to claim 3, characterized in that: the rivet removing assembly comprises a paper pressing plate (42), a guide post (41) is fixedly mounted at the lower part of the pushing and pressing mechanism, the paper pressing plate (42) is slidably mounted on the guide post (41), a cutter avoiding hole (43) or an avoiding groove in clearance fit with the rivet head cutter (33) is formed in the middle of the paper pressing plate (42), and the rivet head cutter (33) is vertically aligned with the cutter avoiding hole (43) or the avoiding groove; the lower end part of the circular cutting edge of the riveting head cutter (33) is not lower than the bottom surface of the paper pressing plate (42) in the initial state.

6. The rivet tube binding file rivet taking machine according to claim 5, characterized in that: the upper positioning column (32) and the riveting head cutter (33) are respectively fixed on the connecting rod (31), the lower end part of the upper positioning column (32) protrudes below the paper pressing plate (42) in an initial state, and the upper positioning column (32) and the riveting head cutter (33) respectively have downward displacement relative to the paper pressing plate (42) after the paper pressing plate (42) moves downward and is pressed against the bound documents installed on the base (1), so that the circular cutting edge moves downward relative to the paper pressing plate (42) and protrudes below the paper pressing plate (42).

7. The rivet tube binding file rivet taking machine according to claim 6, characterized in that: the middle upper part of the upper bracket (13) is provided with a height adjusting seat (11), the driving mechanism is a manual driving mechanism or an electric driving mechanism,

the electric driving mechanism comprises a motor (51) and a transmission gear (52), the motor (51) and the transmission gear (52) are respectively arranged on the height adjusting seat (11), the motor (51) is in transmission connection with the transmission gear (52), and the transmission gear (52) is in transmission connection with the pushing rod (12) so as to drive the pushing rod (12) to move up and down;

the manual driving mechanism comprises a handle (7) and a rotating part (71) arranged on the height adjusting seat (11), the inner end of the handle (7) is fixed on the rotating part (71), the outer end of the handle is provided with a manual pressing part, the rotating part (71) is in transmission connection with a pushing rod (12), and the pushing rod (12) is sleeved with a return spring (18) of which the lower end abuts against the upper part of the height adjusting seat (11) and the upper end abuts against the upper part of the pushing rod (12).

8. The rivet tube binding file rivet taking machine according to claim 7, characterized in that: the bottom of connecting rod (31) is fixed with controls two guide post (41), press platen (42) slidable mounting in the lower part of two guide post (41), two guide post (41) overlap respectively and are equipped with an upper portion elasticity and support the spring (44) that support the bottom in connecting rod (31), lower extreme elasticity support in press platen (42), press platen (42) to be fixed with and be used for the restriction lower limit switch (53) of the lower extreme position of circular cutting edge trigger lower limit switch (53) when the distance that the lower tip of circular cutting edge exceeded the bottom surface setting of press platen (42).

9. The rivet tube binding file rivet taking machine according to claim 8, characterized in that: the height adjusting device comprises a control unit, wherein an upper limit switch (54) is installed on the height adjusting seat (11), and when the pushing rod (12) moves upwards to an initial position, the pushing rod (12) is in trigger fit with the upper limit switch (54) or the transmission gear (52) is in trigger fit with the upper limit switch (54);

the lower end part of the circular cutting edge exceeds the bottom surface of the paper pressing plate (42) and is in trigger fit with the pushing mechanism by a distance of the lower limit switch (53);

the control unit is electrically connected with the upper limit switch (54) and the lower limit switch (53) respectively;

the height adjusting seat (11) is provided with a transmission chamber (15) and a guide through hole (14) which is vertically arranged, and the transmission gear (52) is rotatably arranged in the transmission chamber (15);

the upper limit switch (54) is arranged in the transmission chamber (15);

the pushing rod (12) is slidably mounted in the guide through hole (14), and one side, facing the transmission gear (52), of the pushing rod (12) is provided with transmission teeth;

the transmission chamber (15) is arranged on one side of the guide through hole (14), the transmission chamber (15) is communicated with the guide through hole (14), and a transmission gear (52) arranged in the transmission chamber (15) extends into the guide through hole (14) and is in transmission connection with a transmission gear;

a limiting groove (16) extending in the vertical direction is formed in one side of the pushing rod (12), a transversely arranged limiting column (17) is installed on one side of the height adjusting seat (11), and the tail end of the limiting column (17) extends into the limiting groove (16);

a first jack is formed in the bottom surface of the pushing rod (12), the upper portion of the connecting rod (31) is fixedly inserted into the first jack, a first locking screw which is transversely arranged is screwed on the side surface of the pushing rod (12), and the first locking screw abuts against the upper portion of the connecting rod (31);

the bottom surface of the connecting rod (31) is provided with a second jack and a third jack which are concentrically and coaxially arranged, the inner diameter of the second jack is smaller than that of the third jack, and the depth of the second jack is smaller than that of the third jack;

the upper part of the upper positioning column (32) is inserted and fixed in a second insertion hole, the side surface of the connecting rod (31) is in threaded connection with a second locking screw which is transversely arranged, and the second locking screw abuts against the upper part of the upper positioning column (32);

the upper part of the rivet head cutter (33) is fixedly inserted into a third jack, a third locking screw which is transversely arranged is screwed on the side surface of the connecting rod (31), and the third locking screw abuts against the upper part of the rivet head cutter (33);

the inner diameter of the cutter avoiding hole (43) is larger than the outer diameter of the rivet head cutter (33) and smaller than the outer diameter of the rivet pipe head of the rivet pipe.

10. The rivet tube binding file rivet taking machine according to claim 1, characterized in that: the utility model discloses a file drilling machine, including cutter installation department, clamping department, the hollow drill sword that is used for drilling out the round hole at the file at archives binding machine, the outer tip shaping of cavity drill sword has circular cutting edge, and the middle part of cavity drill sword is seted up and is run through the interior chip removal through-hole of drill sword of cavity drill sword from top to bottom, and the cavity drill sword plug bush of clamping department in the outer fringe of reference column, circular cutting edge set up, and be less than the upper end of reference column in the upper end of the circular cutting edge of direction of height cavity drill sword.

11. The rivet tube binding file taking and riveting machine as claimed in any one of claims 1 to 10, wherein: the lower positioning column (2) which is convexly fixed on the upper part of the top surface of the base (1) and is vertically aligned with the guiding cone part of the riveting head cutter (33) and gradually enlarged from top to bottom and/or the laser emitter which is arranged above the base (1) and irradiates a laser positioning cursor towards the base (1) are/is included.