CN215921535U

CN215921535U - Unwinding mechanism of gravure press

Info

Publication number: CN215921535U
Application number: CN202121730259.3U
Authority: CN
Inventors: 胡燕妮
Original assignee: Liuyang Litian Printing And Packaging Group Co ltd
Current assignee: Liuyang Litian Printing And Packaging Group Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-03-01
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses an unreeling mechanism of an intaglio printing machine, which comprises a bottom plate and an adjusting unit, wherein the bottom plate is provided with a plurality of unreeling holes; the front end and the rear end of the upper side of the bottom plate are respectively and fixedly connected with an insulating fixed seat, the inner sides of the two insulating fixed seats are respectively and rotatably connected with the side surfaces of the front end and the rear end of the rotating shaft, and the outer side of the rotating shaft is sleeved with a roller through a key bar arranged in the front-rear direction; the adjusting unit includes arc support, arc lug, spout two, slider two and arc, the arc support is provided with two, two arc supports's lower extreme respectively with the right side lower extreme fixed connection of two insulating fixing bases, the one end at the middle part is kept away from on two arc supports's right side is provided with an arc lug respectively, under the fixed action of arc support, the slip through the arc drives slider two and slides in the inside of spout two, the sliding action through two arcs realizes carrying out steady unreeling effect to the not printing paper of equidimension.

Description

Unwinding mechanism of gravure press

Technical Field

The utility model relates to the technical field of unreeling of printing machines, in particular to an unreeling mechanism of an intaglio printing machine.

Background

The intaglio press mainly structurally comprises 5 parts of discharging, ink supplying, printing, drying and material receiving, wherein when the intaglio press is used for printing, the whole plate surface of a printing plate cylinder is inked, ink on the blank part of the plate surface is scraped off by a doctor blade, ink on the image-text part is left, then the ink passes through a printing carrier, the back of the printing carrier is imprinted by an imprinting cylinder, so that the ink on the concave part is directly transferred onto the printing carrier, and finally, a printed matter is rewound by a rolling part;

the unwinding mechanism of the gravure printing machine comprises a support, wherein an unwinding roller and a guide roller are arranged on the support, a printing carrier is wound on the unwinding roller, a mounting seat is fixed on the support, a conductive rod is connected onto the mounting seat in a sliding mode, one end of the conductive rod is abutted to the printing carrier on the unwinding roller, a lead is arranged at the end, far away from the unwinding roller, of the conductive rod, one end, far away from the conductive rod, of the lead is grounded, and an elastic piece pushing the conductive rod to the unwinding roller is arranged on the mounting seat;

in the prior art, although the discharging mechanism of the gravure printing machine well eliminates static electricity on a printing carrier, the discharging mechanism cannot guarantee stable discharging effect on a small printing paper discharging mechanism, and therefore the discharging mechanism of the gravure printing machine is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the existing defects and provides an unreeling mechanism of a photogravure press, under the fixing action of an arc-shaped support, a second sliding block is driven to slide in a second sliding groove through the sliding of arc-shaped plates, the stable unreeling action on printing paper with different sizes is realized through the sliding action of the two arc-shaped plates, and the problems in the background technology can be effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: an unwinding mechanism of an intaglio printing press comprises a bottom plate and an adjusting unit;

a bottom plate: the front end and the rear end of the upper side are respectively fixedly connected with an insulating fixed seat, the inner sides of the two insulating fixed seats are respectively rotatably connected with the side surfaces of the front end and the rear end of the rotating shaft, and the outer side of the rotating shaft is sleeved with a roller through a key bar arranged in the front-rear direction;

an adjusting unit: include arc support, arc lug, spout two, slider two and arc, the arc support is provided with two, two arc supports's lower extreme respectively with the right side lower extreme fixed connection of two insulating fixing bases, the one end at middle part is kept away from on two arc supports's right side is provided with an arc lug respectively, a spout two has been seted up along the fore-and-aft direction respectively to two arc support's the inner, the inside of two spout two sliding connection respectively has a slider two, the right-hand member of two sliders is arc of fixed connection respectively.

The article that will print is placed through the axis of rotation and is unreeled on insulating fixing base, under the fixed action of arc support, and the slip through the arc drives slider two and slides in the inside of spout two, and the sliding action through two arcs realizes carrying out steady unreeling effect to the not printing paper of equidimension.

Further, the adjusting unit still includes screw shaft and disc, the screw shaft is provided with two, and the middle part of two screw shafts is connected with the middle part rotation of two arc lugs respectively, the inner of two screw shafts respectively with the middle part threaded connection of two arcs, the one end of keeping away from the middle part of two screw shafts is provided with a disc respectively, and two discs are located one side that two arc supports kept away from the middle part respectively.

The rotation of the threaded shaft is driven by the rotating disc, and the arc-shaped plate is driven to slide by the rotation of the threaded shaft under the effect of threaded connection between the threaded shaft and the arc-shaped plate.

Further, still including dismantling the unit, dismantle the unit and include spout one, slider one, rack and power component, the upside rear end at the bottom plate is seted up along the fore-and-aft direction to spout one, the inside sliding connection of spout one has a slider one, the upside of slider one and the lower extreme fixed connection of the insulating fixing base of rear end, the left end of slider one is provided with a rack along the fore-and-aft direction, the cooperation is connected between rack and the power component.

The rack is driven to slide under the action of the power assembly, the first sliding block is driven to slide in the first sliding groove through the sliding of the rack, and the first sliding block drives the rear-end insulating fixing seat to slide, so that the roller can be disassembled.

Further, power component includes square groove, driving shaft and driving gear, the upside rear end at the bottom plate is seted up to the square groove, the upper and lower both ends side of driving shaft rotates with both sides about the inside of square groove respectively and is connected, the middle part fixedly connected with driving gear of driving shaft, the meshing is connected between driving gear and the rack.

Under the fixed action of the square groove, the driving gear is driven to rotate through the rotation of the driving shaft, and under the meshing connection action between the driving gear and the rack, the rack is driven to slide through the rotation of the driving gear.

Further, power component still includes arc fixed block and motor, the motor passes through arc fixed block fixed connection at the upside rear end of bottom plate, the output shaft of motor and the upper end fixed connection of driving shaft, the input of motor is connected through the output electricity of external control switch and external power source.

The output shaft of the motor is rotated under the action of an external power supply, and the rotation of the output shaft of the motor drives the driving shaft to rotate.

Furthermore, the electric wire is further included, the upper end of the electric wire is fixedly connected with the front side of the front end arc-shaped support, and the lower end of the electric wire is connected with the grounding wire.

In the unreeling process, the object to be printed can generate static electricity, and the static electricity is removed under the action of the conducting wire when the object to be printed passes through the arc-shaped support.

Compared with the prior art, the utility model has the beneficial effects that: this unwinding mechanism of gravure press has following benefit:

1. the unwinding mechanism of the gravure printing machine is provided with a dismounting unit, the rack is driven to slide under the action of a power assembly, the first sliding block is driven to slide in the first sliding groove through the sliding of the rack, and the rear-end insulating fixed seat is driven to slide through the sliding of the first sliding block, so that the detachability of a roller is realized;

2. the unwinding mechanism of the gravure printing machine is provided with the conductive wire, static electricity can be generated on an object to be printed in the unwinding process, and the static electricity is removed under the action of the conductive wire when the object to be printed passes through the arc-shaped support;

3. under the fixed action of the arc-shaped support, the sliding of the arc-shaped plates drives the second sliding block to slide in the second sliding groove, and the sliding action of the two arc-shaped plates realizes the stable unreeling action of the printing paper with different sizes.

Drawings

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

fig. 2 is a schematic rear view of the present invention.

In the figure: the device comprises a base plate 1, an insulating fixed seat 2, a rotating shaft 3, a roller 4, a detaching unit 5, a first sliding chute 51, a first sliding block 52, a rack 53, a square groove 54, a driving shaft 55, a driving gear 56, an arc-shaped fixed block 57, a motor 58, an adjusting unit 6, an arc-shaped support 61, an arc-shaped convex block 62, a second sliding chute 63, a second sliding block 64, an arc-shaped plate 65, a threaded shaft 66, a circular disc 67 and a conductive wire 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment provides a technical solution: an unwinding mechanism of a gravure printing machine comprises a bottom plate 1 and an adjusting unit 6;

bottom plate 1: the front end and the rear end of the upper side are respectively fixedly connected with an insulating fixed seat 2, the inner sides of the two insulating fixed seats 2 are respectively rotatably connected with the side surfaces of the front end and the rear end of a rotating shaft 3, and the outer side of the rotating shaft 3 is sleeved with a roller 4 through a key bar arranged in the front-rear direction;

the adjusting unit 6: include arc support 61, arc lug 62, two 63 of spout, two 64 of sliders and arc 65, arc support 61 is provided with two, two arc support 61's lower extreme respectively with the right side lower extreme fixed connection of two insulating fixing bases 2, the one end of keeping away from the middle part on two arc support 61's right side is provided with an arc lug 62 respectively, two 63 of spout have been seted up along the fore-and-aft direction respectively to two arc support 61's the inner, two 63 of spout inside respectively sliding connection have two 64 of sliders, two 64 of slider's right-hand member is arc 65 of fixedly connected with respectively.

The article that will need the printing is placed through axis of rotation 3 and is unreeled on insulating fixing base 2, under the fixed action of arc support 61, slides through arc 65 and drives two 64 sliders in the inside slip of two 63 spouts, realizes carrying out steady unreeling effect to the not printing paper of equidimension through the sliding action of two arcs 65.

The adjusting unit 6 further comprises a threaded shaft 66 and two disks 67, the threaded shaft 66 is provided with two threaded shafts, the middle parts of the two threaded shafts 66 are respectively rotatably connected with the middle parts of the two arc-shaped convex blocks 62, the inner ends of the two threaded shafts 66 are respectively in threaded connection with the middle parts of the two arc-shaped plates 65, one ends, far away from the middle parts, of the two threaded shafts 66 are respectively provided with one disk 67, and the two disks 67 are respectively located on one side, far away from the middle parts, of the two arc-shaped supports 61.

The rotation of the threaded shaft 66 is driven by the rotating disc 67, and the rotation of the threaded shaft 66 drives the arc-shaped plate 65 to slide under the effect of the threaded connection between the threaded shaft 66 and the arc-shaped plate 65.

Still including dismantling unit 5, dismantle unit 5 includes spout 51, a slider 52, rack 53 and power component, spout 51 is seted up at the upside rear end of bottom plate 1 along the fore-and-aft direction, the inside sliding connection of spout 51 has a slider 52, the upside of a slider 52 and the lower extreme fixed connection of rear end insulating fixing base 2, the left end of a slider 52 is provided with a rack 53 along the fore-and-aft direction, the cooperation is connected between rack 53 and the power component.

The rack 53 is driven to slide under the action of the power assembly, the first sliding block 52 is driven to slide in the first sliding groove 51 through the sliding of the rack 53, and the first sliding block 52 drives the insulating fixing seat 2 at the rear end to slide, so that the roller 4 can be disassembled.

The power assembly comprises a square groove 54, a driving shaft 55 and a driving gear 56, the square groove 54 is formed in the rear end of the upper side of the bottom plate 1, the side faces of the upper end and the lower end of the driving shaft 55 are respectively connected with the upper side and the lower side of the inside of the square groove 54 in a rotating mode, the driving gear 56 is fixedly connected to the middle of the driving shaft 55, and the driving gear 56 is connected with the rack 53 in a meshing mode.

Under the fixing action of the square groove 54, the driving gear 56 is driven to rotate by the rotation of the driving shaft 55, and under the meshing connection action between the driving gear 56 and the rack 53, the rack 53 is driven to slide by the rotation of the driving gear 56.

The power assembly further comprises an arc-shaped fixing block 57 and a motor 58, the motor 58 is fixedly connected to the rear end of the upper side of the bottom plate 1 through the arc-shaped fixing block 57, an output shaft of the motor 58 is fixedly connected with the upper end of the driving shaft 55, and an input end of the motor 58 is electrically connected with an output end of an external power supply through an external control switch.

The output shaft of the motor 58 is rotated by the external power source, and the rotation of the output shaft of the motor 58 drives the rotation of the driving shaft 55.

The electric wire 7 is further included, the upper end of the electric wire 7 is fixedly connected with the front side of the front end arc-shaped support 61, and the lower end of the electric wire 7 is connected with a grounding wire.

During the unwinding process, static electricity may be generated on the object to be printed, and the static electricity is removed by the conductive wire 7 when the object to be printed passes through the arc-shaped support 61.

The working principle of the unwinding mechanism of the gravure printing machine provided by the utility model is as follows:

an object to be printed is placed on the insulating fixed seat 2 through the rotating shaft 3 to be unreeled, under the fixing action of the arc-shaped support 61, the rotating disc 67 drives the threaded shaft 66 to rotate, under the threaded connection action between the threaded shaft 66 and the arc-shaped plate 65, the threaded shaft 66 rotates to drive the arc-shaped plate 65 to slide, the slide block II 64 is driven to slide in the slide groove II 63 through the slide of the arc-shaped plate 65, the stable unreeling action on printing paper with different sizes is realized through the slide action of the two arc-shaped plates 65, the output shaft of the motor 58 rotates under the action of an external power supply, the rotation of the output shaft of the motor 58 drives the rotation of the driving shaft 55, under the fixing action of the square groove 54, the rotation of the driving gear 56 is driven through the rotation of the driving shaft 55, under the meshing connection action between the driving gear 56 and the rack 53, the sliding of the rack 53 is driven through the rotation of the driving gear 56, the first sliding block 52 is driven to slide in the first sliding groove 51 through the sliding of the rack 53, the first sliding block 52 drives the rear end insulating fixing seat 2 to slide, so that the roller 4 can be disassembled, static electricity can be generated on the object to be printed in the unreeling process, and the static electricity is removed under the action of the conducting wire 7 when the object to be printed passes through the arc-shaped support 61.

It should be noted that the motor 58 disclosed in the above embodiments is a stepping motor, and the control switch controls the operation of the motor 58 by a method commonly used in the art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an intaglio press's unwinding mechanism which characterized in that: comprises a bottom plate (1) and an adjusting unit (6);

base plate (1): the front end and the rear end of the upper side are respectively fixedly connected with an insulating fixed seat (2), the inner sides of the two insulating fixed seats (2) are respectively rotatably connected with the side surfaces of the front end and the rear end of a rotating shaft (3), and the outer side of the rotating shaft (3) is sleeved with a roller (4) through a key bar arranged in the front-rear direction;

adjusting unit (6): include arc support (61), arc lug (62), spout two (63), slider two (64) and arc (65), arc support (61) are provided with two, the lower extreme of two arc supports (61) respectively with the right side lower extreme fixed connection of two insulating fixing bases (2), the one end of keeping away from the middle part on the right side of two arc supports (61) is provided with an arc lug (62) respectively, a spout two (63) have been seted up along the fore-and-aft direction respectively to the inner of two arc supports (61), the inside of two (63) of two spouts is sliding connection respectively has a slider two (64), the right-hand member of two (64) of two sliders is arc (65) of fixed connection respectively.

2. The unwinding mechanism of the intaglio printing press as recited in claim 1, characterized in that: adjusting element (6) still include screw thread axle (66) and disc (67), screw thread axle (66) are provided with two, and the middle part of two screw thread axles (66) rotates with the middle part of two arc lugs (62) respectively and is connected, the inner of two screw thread axles (66) respectively with the middle part threaded connection of two arcs (65), the one end of keeping away from the middle part of two screw thread axles (66) is provided with one disc (67) respectively, and two discs (67) are located one side that middle part was kept away from to two arc supports (61) respectively.

3. The unwinding mechanism of the intaglio printing press as recited in claim 1, characterized in that: still including dismantling unit (5), dismantle unit (5) and include spout (51), slider (52), rack (53) and power component, the upside rear end in bottom plate (1) is seted up along the fore-and-aft direction in spout (51), the inside sliding connection of spout (51) has a slider (52), the upside of slider (52) and the lower extreme fixed connection of rear end insulation fixing base (2), the left end of slider (52) is provided with a rack (53) along the fore-and-aft direction, the cooperation is connected between rack (53) and the power component.

4. The unwinding mechanism of the intaglio printing press as recited in claim 3, characterized in that: the power assembly comprises a square groove (54), a driving shaft (55) and a driving gear (56), wherein the square groove (54) is formed in the rear end of the upper side of the bottom plate (1), the side faces of the upper end and the lower end of the driving shaft (55) are respectively rotatably connected with the upper side and the lower side of the inside of the square groove (54), the driving gear (56) is fixedly connected to the middle of the driving shaft (55), and the driving gear (56) is meshed with the rack (53) to be connected.

5. The unwinding mechanism of the intaglio printing press as recited in claim 4, characterized in that: the power assembly further comprises an arc-shaped fixing block (57) and a motor (58), the motor (58) is fixedly connected to the rear end of the upper side of the bottom plate (1) through the arc-shaped fixing block (57), an output shaft of the motor (58) is fixedly connected with the upper end of the driving shaft (55), and the input end of the motor (58) is electrically connected with the output end of an external power supply through an external control switch.

6. The unwinding mechanism of the intaglio printing press as recited in claim 1, characterized in that: the wire-type electric heating wire is characterized by further comprising a conducting wire (7), the upper end of the conducting wire (7) is fixedly connected with the front side of the front end arc-shaped support (61), and the lower end of the conducting wire (7) is connected with a grounding wire.