CN209920802U

CN209920802U - Connecting rod type lifting mechanism of lower riveting head of binding machine

Info

Publication number: CN209920802U
Application number: CN201920408489.4U
Authority: CN
Inventors: 张宝石; 时金兰
Original assignee: Hebei Huijin Electromechanical Co Ltd
Current assignee: Hebei Huijin Group Co.,Ltd.
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2020-01-10
Anticipated expiration: 2029-03-28

Abstract

The utility model discloses connecting rod formula elevating system of die under book-binding machine, including setting up the lower die mount pad and the lift drive device of connection on the mount pad of binding workstation below, the key lies in: the lifting driving device comprises a swing arm with one end limited on the mounting seat, the middle part of the swing arm is hinged on the rack, the other end of the swing arm is connected on a sliding sleeve which is limited on the rack in a sliding mode, a lower riveting head lifting driving structure is formed by means of swinging of the sliding sleeve by taking a middle hinged shaft as a fulcrum, the sliding sleeve is connected with a lifting rack which is limited on the rack by means of a transmission connecting rod group, and the rack is connected with a motor which is positioned on the upper portion of. The swing arm middle part articulates in the frame, and both ends are connected lower die mount pad and sliding sleeve respectively and are formed seesaw formula motion, and when the sliding sleeve pushed down or the corresponding end of lifting swing arm, the other end of swing arm drove down the die mount pad and correspondingly rises and descends. Ingenious design, exquisite structure, high space utilization rate and capability of reducing the size and weight of the whole machine.

Description

Connecting rod type lifting mechanism of lower riveting head of binding machine

Technical Field

The utility model belongs to the technical field of office equipment, a book-binding machine is related to, mechanism that the die goes up and down under concretely relates to drive in the book-binding machine.

Background

The full-automatic punching and riveting binding machine is used for binding files, and is characterized in that a round hole is drilled in the side edge of a file through a drill, a plastic riveting pipe is automatically inserted into the round hole of the file, and finally, the plastic riveting pipe is hot-pressed through an upper riveting head and a lower riveting head, rivets are respectively formed at two ends of the plastic riveting pipe, so that the files are bound into a book. The full-automatic punching and riveting binding machine is provided with a drill bit, a drilling motor, an upper rivet head, a lower rivet head and a conductive rubber pad. The drilling position and the pressure riveting position of the full-automatic punching pressure riveting binding machine are coincided at the same position, so that the lower riveting head has a complex action process in the binding process: firstly, station conversion is carried out, a lower riveting head needs to move back and forth between a connecting pipe position and a press riveting position, after drilling is completed, the lower riveting head staying at the connecting pipe position needs to be converted to the press riveting position, and the lower riveting head sleeved with a riveting pipe is aligned and coaxial with a drill cutter up and down; secondly, in the rising process, the lower riveting head drives the plastic riveting pipe to move upwards and be inserted into the round hole of the file, and the plastic riveting pipe is inserted into the round hole; and thirdly, in the pressure maintaining process, after the upper rivet head descends and is pressed at the upper end of the plastic rivet pipe, an upward acting force is provided for the lower rivet head, the pressure is maintained, the lower rivet head is kept still in place, and the upper rivet head and the lower rivet head are guaranteed to complete the hot-pressing riveting action.

In the existing full-automatic punching, riveting and binding machine, the lifting of the lower riveting head is realized through a cam, a large cam is arranged in a base, and a motor drives the large cam to rotate so as to drive the lower riveting head to lift. Because the cam is big and heavy, in addition need set up the die station shifter additionally, make the book-binding machine bulky, heavy, the flexibility is poor. In addition, the requirement on the contour accuracy of the cam is high, and the cam and the driven piece are in point or line contact, so that the cam is easy to wear, and the processing and maintenance cost of the binding machine is high.

Disclosure of Invention

The utility model aims at providing a connecting rod formula elevating system for lower die, the die goes up and down through the linkage drive that the rack drove, reduces the volume and the weight of book-binding machine, improves space utilization.

The technical scheme adopted by the utility model for realizing the purpose of the invention is as follows: connecting rod formula elevating system of die under book-binding machine, including setting up at the lower die mount pad of binding workstation below and connecting the lift drive on the mount pad, the key lies in: the lifting driving device comprises a swing arm with one end limited on the mounting seat, the middle part of the swing arm is hinged on the rack, the other end of the swing arm is connected on a sliding sleeve which is limited on the rack in a sliding mode, a lower riveting head lifting driving structure is formed by means of swinging of the sliding sleeve by taking a middle hinged shaft as a fulcrum, the sliding sleeve is connected with a lifting rack which is limited on the rack by means of a transmission connecting rod group, and the rack is connected with a motor which is positioned on the upper portion of.

The utility model discloses an in, the swing arm middle part articulates in the frame, and the die mount pad forms seesaw formula motion with the sliding sleeve under the both ends are connected respectively, and when the sliding sleeve pushed down or the corresponding end of lifting swing arm, the die mount pad corresponds ascending and descends under the other end of swing arm drives. The sliding sleeve is driven by the rack to lift, the arrangement of the transmission connecting rod group is convenient for the arrangement of the lower rivet head station switching mechanism, and the station switching mechanism and the lifting mechanism can share the rack for driving.

Furthermore, the swing arm is of a special-shaped structure comprising an L-shaped driving arm and an inclined hanging arm, the connecting end of the inclined hanging arm and the L-shaped driving arm is hinged to the frame, a hanging groove is formed in the free end of the inclined hanging arm, and a pin shaft fixed on the sliding sleeve is limited in the hanging groove by a bearing sleeved on the pin shaft to form a swing arm swinging driving structure. The structure of swing arm is convenient for the installation and the overall arrangement of complete machine, and the structure is exquisite, light. When the sliding sleeve slides up and down, the pin shaft drives the bearing to rotate while moving in the hanging groove, so that the corresponding end of the swing arm is lifted and pressed down, the friction force can be reduced, and the abrasion is avoided.

Furthermore, in order to facilitate installation and reduce friction and impact, a roller is arranged at the free end of the L-shaped driving arm and is limited in a limiting groove at the bottom of the installation seat.

Furthermore, the limiting groove is enclosed by two limiting plates fixed at the bottom of the mounting seat. The structure can adjust the distance between the roller and the two limit plates, and further adjust the lifting distance of the lower riveting head.

Furthermore, the transmission connecting rod group comprises a reversing swing rod hinged on the sliding sleeve and a lifting plate, the upper end of the lifting plate is hinged on the reversing swing rod, the lower end of the lifting plate is hinged on the rack guide plate and the top plate, the lower end of the rack guide plate is provided with a chute, and the upper end of the rack guide plate is provided with a transverse groove; the hinged shaft of the top plate and the lifting plate is limited in the inclined groove in a sliding manner, the rotating sleeve at the upper end of the top plate is limited in the driving long groove of the transverse groove and the reversing swing rod in a rotating manner, and a linkage structure is formed by the driving rotating sleeve which is limited in the reversing swing rod driving short groove and connected to the rack. The rack is used for driving the driving rotating sleeve to lift, the driving rotating sleeve is used for driving the reversing swing rod and the lifting plate to move, meanwhile, the lifting plate drives the lower end of the top plate to move, the upper end of the top plate drives the rotating sleeve to move along the transverse groove and the driving long groove, and the reversing swing rod swings around the rotating sleeve to drive the sliding sleeve to move. The reversing swing rod is driven by the rotating sleeve and the driving rotating sleeve simultaneously to swing around the rotating sleeve to enable two ends to move reversely, so that the sliding sleeve is driven to move, the design is ingenious, and the transmission is accurate and flexible.

Furthermore, in order to facilitate installation, limit the reversing swing rod and realize the driving of the reversing swing rod by the rotating sleeve, the reversing swing rod is positioned in front of the guide plate of the frame, the driving long groove corresponds to the front and the back of the transverse groove, the rotating sleeve and the driving rotating sleeve are of a step structure, the small end of the driving rotating sleeve is limited in the driving short groove, the middle section of the rotating sleeve is limited in the driving long groove, and the step surfaces of the rotating sleeve and the driving rotating sleeve are blocked in front of the reversing swing rod.

Furthermore, in order to facilitate installation and connection, the lifting plate and the top plate are respectively arranged on the front side and the rear side of the rack guide plate, and the lifting plate is positioned between the reversing swing rod and the rack guide plate.

Furthermore, in order to reduce abrasion, a shaft sleeve is sleeved on the pin shaft penetrating through the top plate, the rack guide plate and the lifting plate, and the shaft sleeve is limited in the chute in a rotating mode.

Furthermore, the reversing swing rod is in a shape of a shifting wrench comprising a handle and an opening of the wrench head, the long driving groove is arranged along the length direction of the handle, and the short driving groove is an open groove arranged on the wrench head. The reversing swing rod adopts the structure, so that flexible swing is realized, and meanwhile, the installation and the connection layout are convenient.

Furthermore, the rack penetrates through the workbench and is limited on the rack in a vertical sliding mode, the upper end of the rack is connected with the motor through the transmission gear, and the lower end of the rack is connected with the driving rotating sleeve through the pin shaft. The upper and lower through structure of the rack realizes the lifting drive of the lower riveting head on one hand, and can drive the upper mechanism simultaneously on the other hand, so that the structure is compact.

The utility model has the advantages that: 1. the rack is used for driving, the lever type swing arm and the reversing swing rod are used for transmission, the structure of the whole machine is considered for layout, the design is ingenious, the structure is exquisite, the space utilization rate is high, and the size and the weight of the whole machine can be reduced; the transmission is accurate and reliable, the transmission efficiency is high, the riveting action is rapid, and the working efficiency is high. 2. The processing difficulty of each part is little, the cost of manufacture is low to adopt and fall wearing and tearing structure, reliable operation is stable, long service life, can reduce the complete machine cost.

Drawings

FIG. 1 is a schematic structural view of a swing arm in the embodiment;

FIG. 2 is a schematic structural diagram of a reversing swing link in the embodiment;

FIG. 3 is a schematic structural view of the top plate in the embodiment;

in the drawing, 1 represents a machine frame, 11 represents a binding workbench, 12 represents a motor, 13 represents a machine frame guide plate, 131 represents a chute, 132 represents a transverse groove, 2 represents a mounting seat, 21 represents a lower riveting head, 3 represents a swing arm, 31 represents a driving arm, 311 represents a roller, 32 represents a slant hanging arm, 321 represents a hanging groove, 4 represents a sliding sleeve, 5 represents a reversing swing rod, 51 represents a handle, 511 represents a driving long groove, 52 represents a wrench head, 521 represents a driving short groove, 6 represents a top plate, 61 represents a rotating sleeve, 7 represents a lifting plate, 8 represents a rack, 81 represents a transmission gear, and 82 represents a driving rotating sleeve.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A binding workbench 11 of the binding machine is positioned in the middle of the rack 1, a lower riveting head 21 is positioned below the binding workbench 11 and is arranged on the mounting seat 2, and the mounting seat is limited on a vertical guide rod of the sliding seat in a vertically sliding manner and can be lifted; the sliding seat is limited on a transverse sliding rod of the frame in a sliding mode and can transversely slide to move back and forth between the pipe connecting position and the press riveting position. The connecting rod type lifting mechanism of the lower riveting head 21 comprises a swing arm 3, a sliding sleeve 4 sleeved on a guide column of the rack, a reversing swing rod 5, a guide plate 13 of the rack, a top plate 6, a lifting plate 7, a rack 8 limited on the rack 1 in a sliding manner, a transmission gear 81 and a motor 12. The swing arm 3 is a special-shaped structure comprising an L-shaped driving arm 31 and an inclined hanging arm 32, and the connecting end of the inclined hanging arm 32 and the L-shaped driving arm 31 is hinged on the frame 1; the free end of the inclined hanging arm 32 is provided with a hanging groove 321, and the pin shaft fixed on the sliding sleeve 4 is limited in the hanging groove 321 by a bearing sleeved on the pin shaft; the free end of the L-shaped driving arm 31 is provided with a roller 311, and the roller 311 is limited in a limiting groove at the bottom of the mounting seat 2. The limiting groove is enclosed by two limiting plates fixed at the bottom of the mounting seat 2. The reversing swing rod 5, the lifting plate 7, the rack guide plate 13 and the top plate 6 are sequentially installed from front to back. The reversing swing rod 5 is in a shape of an open-end wrench comprising a handle 51 and a wrench head 52, a long driving groove 511 is arranged along the length direction of the handle 51, and a short driving groove 521 with an opening is arranged on the wrench head 52. The lower end of the frame guide plate 13 is provided with a chute 131, the upper end is provided with a transverse groove 132, and the transverse groove 132 corresponds to the driving long groove 511 of the reversing swing rod 5 in the front-back direction. The free end of the handle 51 of the reversing swing rod 5 is hinged on the sliding sleeve 4 through a pin shaft and a bearing, the wrench head 52 is hinged on the upper end of the lifting plate 7 through a pin shaft and a bearing, and the lower end of the lifting plate 7, the lower end of the top plate 6 and the rack guide plate 13 are connected together through a pin shaft limited in the chute 131 and a matched shaft sleeve. The pin and sleeve are movable in the chute 131 and the lifting plate 7 and top plate 6 are swingable about the pin. The upper end of the top plate 6 is fixed with a pin shaft, and a step type rotating sleeve 61 is sleeved on the pin shaft. The rotating sleeve 61 passes through a driving long groove 511 of the reversing swing rod 5 and a transverse groove 132 of the rack guide plate 13 and is connected to a pin shaft of the top plate 6, and the step surface of the rotating sleeve 61 is blocked in front of the reversing swing rod 5. The rotating sleeve 61 can rotate around the pin shaft and can move in the long driving groove 511 and the transverse driving groove 132. The rack 8 is positioned in front of the reversing swing rod 5, the lower end of the rack is fixed with a pin shaft, and a step type driving rotating sleeve 82 is sleeved on the pin shaft. The small end of the driving rotary sleeve 82 is limited in the driving short groove 521, and the step surface is blocked in front of the reversing swing rod 5. The rack 8 penetrates through the workbench 11 and is vertically limited in a limiting groove on the rack 1 in a sliding manner, the upper end of the rack is meshed with a transmission gear 81, and the transmission gear 81 is connected with an output shaft of a motor 12 fixed on the rack 1. The sleeve 61 drives the sleeve 82.

During specific work, the motor 12 drives the rack 8 to move upwards, and simultaneously drives the reversing swing rod 5 and the lifting plate 7 to move, so as to drive the top plate 6 to move, the top plate 6 drives the rotating sleeve 61 to move along the driving long groove 511 and the transverse groove 132, and the reversing swing rod 5 swings with the rotating sleeve 61 as an axis to press the sliding sleeve 4 downwards. The sliding sleeve 4 presses the corresponding end of the swing arm 3 downwards, and the other end of the swing arm 3 drives the mounting seat 2 and the lower riveting head 21 to be lifted, so that the riveting action is completed. And resetting reversely after riveting.

Claims

1. Connecting rod formula elevating system of die under binding machine, including setting up lower die (21) mount pad (2) and the lift drive device of connection on mount pad (2) of binding workstation (11) below, its characterized in that: the lifting driving device comprises a swing arm (3) with one end limited on a mounting seat (2), the middle of the swing arm (3) is hinged to a frame (1), the other end of the swing arm is connected to a sliding sleeve (4) which slides and is limited on the frame (1), the sliding sleeve (4) swings to form a lower riveting head (21) lifting driving structure by taking a middle hinge shaft as a fulcrum, the sliding sleeve (4) is connected with a lifting rack (8) which is limited on the frame (1) by a transmission connecting rod group, and the rack (8) is connected with a motor (12) which is positioned on the upper portion of the frame (1) by a transmission gear (81).

2. The link type lifting mechanism of the lower riveting head of the binding machine according to claim 1, which is characterized in that: the swing arm (3) is of a special-shaped structure comprising an L-shaped driving arm (31) and an inclined hanging arm (32), the connecting end of the inclined hanging arm (32) and the L-shaped driving arm (31) is hinged to the rack (1), a hanging groove (321) is formed in the free end of the inclined hanging arm (32), and a pin shaft fixed on the sliding sleeve (4) is limited in the hanging groove (321) by a bearing sleeved on the pin shaft to form a swing driving structure of the swing arm (3).

3. The link type lifting mechanism of the lower rivet head of the binding machine according to claim 2, characterized in that: the free end of the L-shaped driving arm (31) is provided with a roller (311), and the roller (311) is limited in a limiting groove at the bottom of the mounting seat (2).

4. The link type lifting mechanism of the lower rivet head of the binding machine according to claim 3, characterized in that: the limiting groove is formed by two limiting plates fixed at the bottom of the mounting seat (2) in a surrounding mode.

5. The link type lifting mechanism of the lower riveting head of the binding machine according to any one of claims 1 to 4, which is characterized in that: the transmission connecting rod set comprises a reversing swing rod (5) hinged on the sliding sleeve (4) and a lifting plate (7) of which the upper end is hinged on the reversing swing rod (5) and the lower end is hinged on the rack guide plate (13) and the top plate (6), the lower end of the rack guide plate (13) is provided with a chute (131), and the upper end is provided with a transverse groove (132); the hinged shaft of the top plate (6) and the lifting plate (7) is limited in the inclined groove (131) in a sliding manner, the rotating sleeve (61) at the upper end of the top plate (6) is limited in the transverse groove (132) and the long driving groove (511) of the reversing swing rod (5) in a rotating manner, and a driving rotating sleeve (82) which is limited in the short driving groove (521) of the reversing swing rod (5) and connected to the rack (8) forms a linkage structure.

6. The link type lifting mechanism of the lower riveting head of the binding machine according to claim 5, characterized in that: the reversing swing rod (5) is positioned in front of the guide plate (13) of the rack, the driving long groove (511) corresponds to the transverse groove (132) in front and back, the rotating sleeve (61) and the driving rotating sleeve (82) are of a step structure, the small end of the driving rotating sleeve (82) is limited in the driving short groove (521), the middle section of the rotating sleeve (61) is limited in the driving long groove (511), and the step surfaces of the rotating sleeve (61) and the driving rotating sleeve (82) are blocked in front of the reversing swing rod (5).

7. The link type lifting mechanism of the lower rivet head of the binding machine according to claim 6, characterized in that: the lifting plate (7) and the top plate (6) are respectively arranged on the front side and the rear side of the rack guide plate (13), and the lifting plate (7) is positioned between the reversing swing rod (5) and the rack guide plate (13).

8. The link type lifting mechanism of the lower rivet head of the binding machine according to claim 7, characterized in that: the pin shaft penetrating through the top plate (6), the frame guide plate (13) and the lifting plate (7) is sleeved with a shaft sleeve, and the shaft sleeve is limited in the inclined groove (131) in a rotating mode.

9. The link type lifting mechanism of the lower riveting head of the binding machine according to claim 5, characterized in that: the reversing swing rod (5) is in a shape of an open-end wrench comprising a handle (51) and a wrench head (52), the long driving groove (511) is arranged along the length direction of the handle (51), and the short driving groove (521) is an open groove arranged on the wrench head (52).

10. The link type lifting mechanism of the lower riveting head of the binding machine according to claim 5, characterized in that: the rack (8) penetrates through the workbench (11) and is limited on the rack (1) in a vertical sliding mode, the upper end of the rack is connected with the motor (12) through a transmission gear (81), and the lower end of the rack is connected with the driving rotating sleeve (82) through a pin shaft.