CN217498133U

CN217498133U - Paper conveying mechanism of printing machine

Info

Publication number: CN217498133U
Application number: CN202221753712.7U
Authority: CN
Inventors: 张军; 李海朋
Original assignee: Shanxi Yamei Printing Technology Co ltd
Current assignee: Shanxi Yamei Printing Technology Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-09-27
Anticipated expiration: 2032-07-07

Abstract

The utility model discloses a paper conveying mechanism of a printing machine, which comprises a base and an upper bracket, lower part support and driving roll, driven roll, fixedly connected with lower part support on the base, sliding connection has the crane on the support of lower part, the crane top is rotated and is connected with driven roll, threaded connection has a set of lead screw on the crane, the bottom fixedly connected with transmission axle of lead screw, fixedly connected with worm wheel on the transmission axle, it is connected with the regulating spindle to rotate on the support of lower part, it is provided with the worm to correspond the worm wheel on the regulating spindle, the worm is connected with the worm wheel meshing, the one end fixedly connected with adjustment disk of regulating spindle, fixedly connected with upper portion support on the support of lower part, the bottom of upper portion support is rotated and is connected with driving roll, fixedly connected with driving motor on the support of upper portion, power is connected between driving motor and the driving roll, power is connected between driving roll and the driven roll. The utility model discloses can satisfy different thickness paper and carry the demand, and carry stably, can be used to the transport of printing paper.

Description

Paper conveying mechanism of printing machine

Technical Field

The utility model relates to a printing device technical field, specific printing machine paper conveying mechanism that says so.

Background

A printer is a machine that prints text and images. Modern printing presses typically consist of mechanisms for plating, inking, stamping, feeding (including folding), etc. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred on the paper or other printing material (such as textile, metal plate, plastics, leather, wood plate, glass and ceramic) so as to reproduce the same printed matter as the printing plate. The invention and the development of the printing machine play an important role in the propagation of human civilization and culture.

At present, when printing the pattern on the paper, need carry the paper to lithography apparatus inside, and the paper is carried then to be gone on through paper conveying mechanism, and current paper transport mode is mostly gone on through a set of initiative cylinder and driven cylinder, be about to the paper and place between initiative cylinder and driven cylinder, rotate through the initiative cylinder and carry the paper, but current paper conveying mechanism can't adjust the initiative cylinder, interval between the driven cylinder, this is so that can't satisfy the transport demand of different thickness papers, therefore, the practicality is low, and the transport of realization to the paper is rotated to single initiative cylinder, it carries stability also low.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a can satisfy different thickness paper and carry demand, carry stable printing machine paper conveying mechanism.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a paper conveying mechanism of a printing machine comprises a base, an upper support, a lower support, a driving roller and a driven roller, wherein the lower support is fixedly connected to the base, a lifting frame is slidably connected to the lower support, the top of the lifting frame is rotatably connected with the driven roller, a group of lead screws are connected to the lifting frame in a threaded manner, transmission shafts are fixedly connected to the bottoms of the lead screws, worm gears are fixedly connected to the transmission shafts, adjusting shafts are rotatably connected to the lower support, worms are arranged on the adjusting shafts corresponding to the worm gears and are meshed with the worm gears, an adjusting disc is fixedly connected to one end of each adjusting shaft, the upper support is fixedly connected to the lower support, the driving roller is rotatably connected to the bottom of the upper support, the adjusting shafts can be driven to rotate by rotating the adjusting discs, then the worm drives the worm gears to rotate, at the moment, the lead screws rotate to enable the lifting frame to ascend or descend, thereby adjust the interval between initiative cylinder and the driven cylinder, and fixedly connected with driving motor on the support of upper portion, power connection between driving motor and the initiative cylinder, power connection between initiative cylinder and the driven cylinder, make and close driven cylinder with opposite direction rotation through driving motor drive initiative cylinder, thereby realize the transport work to the printing paper, and still fixedly connected with transport support on the base, it is connected with the multiunit and carries the cylinder to rotate on the transport support, the height inequality of multiunit transport cylinder, accomplish the direction of carrying the paper through carrying the cylinder.

In above-mentioned technical scheme, the last fixedly connected with first belt pulley of driving motor, fixedly connected with second belt pulley on another roller of driving drum, be connected through first driving belt between first belt pulley and the second belt pulley, like this through driving motor alright drive driving drum rotate.

In the above technical solution, a first gear is fixedly connected to a roller shaft at one end of the driving roller, a steering shaft is rotatably connected to the upper bracket corresponding to the first gear, a second gear is fixedly connected to the steering shaft, the second gear is meshed with the first gear, a third belt pulley is fixedly connected to the steering shaft, a fourth belt pulley is fixedly connected to a roller shaft at one end of the driven roller, and the third belt pulley is connected to the fourth belt pulley through a second transmission belt After the distance between the driven rollers, the second transmission belt still can work, and the lower support is fixedly connected with a tensioning adjusting assembly used for adjusting the second transmission belt.

In the technical scheme, tensioning adjusting part includes the link, adjusting screw, regulating wheel and mounting bracket, fixedly connected with link on the mounting bracket, link and lower part support fixed connection, sliding connection has the alignment jig on the mounting bracket, it is connected with the regulating wheel to rotate on the alignment jig, threaded connection has adjusting screw on the mounting bracket, the tip that adjusting screw is located the mounting bracket rotates with the alignment jig and is connected, adjusting screw is located external tip fixedly connected with adjust knob, the regulating wheel is located the third belt pulley, between the fourth belt pulley, and second driving belt is through the regulating wheel, like this through rotating adjust knob alright drive screw rod and rotate, then drive the rotation frame and slide on the mounting bracket tensioning, thereby adjust the length that the regulating wheel stretches out, accomplish the regulation to the second driving belt degree with this.

Compared with the prior art, the beneficial effects of the utility model reside in that, can drive the lead screw through rotating the adjustment disk and produce the rotation to make the crane rise or descend together with driven cylinder, like this alright adjust the interval between initiative cylinder and the driven cylinder, with the transport demand that satisfies different thickness papers, and can drive initiative cylinder, driven cylinder with opposite direction synchronous rotation through driving motor, thereby make the transport to the paper more stable.

Drawings

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

FIG. 2 is a schematic diagram of a detailed structure of the portion A0 in FIG. 1;

fig. 3 is a schematic structural view of another aspect of the present invention;

FIG. 4 is a schematic view of the power transmission structure of the present invention;

fig. 5 is a schematic structural view of the middle tensioning adjusting assembly of the present invention.

In the figure: the device comprises a base 1, an upper support 2, a lower support 3, a driving roller 4, a driven roller 5, a lifting frame 6, a screw rod 7, a transmission shaft 8, a worm wheel 9, an adjusting shaft 10, a worm 11, an adjusting disc 12, a driving motor 13, a first belt pulley 14, a second belt pulley 15, a first transmission belt 16, a transmission support 17, a transmission roller 18, a first gear 19, a steering shaft 20, a second gear 21, a third belt pulley 22, a fourth belt pulley 23, a second transmission belt 24, a tensioning adjusting component 25, a connecting frame 26, an adjusting screw 27, an adjusting wheel 28, an installing frame 29, an adjusting frame 30 and an adjusting knob 31.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a paper conveying mechanism of a printing machine comprises a base 1, an upper support 2, a lower support 3, a driving roller 4 and a driven roller 5, wherein the lower support 3 is fixedly connected to the base 1, the lower support 3 is slidably connected to a lifting frame 6, the top of the lifting frame 6 is rotatably connected to the driven roller 5, a group of lead screws 7 is connected to the lifting frame 6 through threads, the bottom of each lead screw 7 is fixedly connected to a transmission shaft 8, the bottom end of each transmission shaft 8 is rotatably connected to the base 1, a worm wheel 9 is fixedly connected to each transmission shaft 8, an adjusting shaft 10 is rotatably connected to the lower support 3, a worm 11 is arranged on each adjusting shaft 10 corresponding to the worm wheel 9 and is meshed with the worm wheel 9, an adjusting disc 12 is fixedly connected to one end of each adjusting shaft 10, the upper support 2 is also fixedly connected to the lower support 3, the bottom of the upper support 2 is rotatably connected to the driving roller 4, the adjusting shaft 10 can be driven to rotate by rotating the adjusting disc 12, then the worm 11 drives the worm wheel 9 to rotate, at the moment, the screw rod 7 rotates to enable the lifting frame 6 to ascend or descend, so as to adjust the distance between the driving roller 4 and the driven roller 5 and meet the conveying requirements of paper with different thicknesses, the upper bracket 2 is fixedly connected with a driving motor 13, the driving motor 13 is fixedly connected with a first belt pulley 14, the roller shaft of the driving roller 4 is fixedly connected with a second belt pulley 15, the first belt pulley 14 is connected with the second belt pulley 15 through a first transmission belt 16, so that the driving roller 4 can be driven to rotate through the driving motor 13, and in order to ensure the stability of paper conveying, the driving roller 4 is also in power connection with the driven roller 5, so that the driving roller 4 and the driven roller 5 can be driven to rotate in opposite directions through the driving motor 13, thereby realize the transport work to the printing paper to still fixedly connected with delivery support 17 on base 1, the last rotation of delivery support 17 is connected with multiunit and carries cylinder 18, and multiunit carries cylinder 18's height inequality, accomplishes the direction of carrying the paper through carrying cylinder 18.

The following is a manner of power connection between the driving roller 4 and the driven roller 5 provided in this embodiment:

a first gear 19 is fixedly connected to a roller shaft at the other end of the driving roller 4, a steering shaft 20 is rotatably connected to the upper bracket 2 corresponding to the first gear 19, a second gear 21 is fixedly connected to the steering shaft 20, the second gear 21 is engaged with the first gear 19, so that when the first gear 19 rotates, the second gear 21 rotates in the opposite direction to the first gear 19, and a third belt pulley 22 is fixedly connected to the steering shaft 20, so that when the second gear 21 rotates, the third belt pulley 22 rotates in the same direction as the second gear 21, a fourth belt pulley 23 is fixedly connected to a roller shaft at one end of the driven roller 5, and the third belt pulley 22 is connected to the fourth belt pulley 23 through a second transmission belt 24, so that when the driving roller 4 transmits, the first gear 19 rotates, the first gear 19 drives the second gear 21 to rotate, and the second gear 21 drives the third belt pulley 22 to rotate, the fourth pulley 23 is also rotated by the second transmission belt 24, and at this time, the driven roller 5 is rotated and rotated in the opposite direction to the driving roller 4, and in order to make the second transmission belt 24 still work after adjusting the distance between the driving roller 4 and the driven roller 5, a tension adjusting assembly 25 for adjusting the second transmission belt 24 is fixedly connected to the lower bracket 3.

The following is a tension adjustment assembly 25 provided for the present embodiment:

the tension adjusting assembly 25 comprises a connecting frame 26, an adjusting screw 27, an adjusting wheel 28 and an installing frame 29, the connecting frame 26 is fixedly connected to the installing frame 29, the connecting frame 26 is fixedly connected with the lower support 3, the adjusting frame 30 is slidably connected to the installing frame 29, the adjusting wheel 28 is rotatably connected to the adjusting frame 30, the adjusting screw 27 is in threaded connection with the installing frame 29, the end part of the adjusting screw 27, which is positioned in the installing frame 29, is rotatably connected with the adjusting frame 30, the end part of the adjusting screw 27, which is positioned in the outside world, is fixedly connected with an adjusting knob 31, the adjusting wheel 28 is positioned between the third belt pulley 22 and the fourth belt pulley 23, and the second driving belt 24 passes through the adjusting wheel 28, so that the adjusting knob 31 is rotated to drive the screw rod to rotate, and then the rotating frame is driven to slide on the mounting rack 29, thereby adjusting the length of extension of the adjustment wheel 28 and thus the tension of the second drive belt 24.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A printing machine paper conveying mechanism which characterized in that: comprises a base (1), an upper support (2), a lower support (3), a driving roller (4) and a driven roller (5), wherein the base (1) is fixedly connected with the lower support (3), the lower support (3) is slidably connected with a lifting frame (6), the top of the lifting frame (6) is rotatably connected with the driven roller (5), the lifting frame (6) is connected with a group of lead screws (7) in a threaded manner, the bottom of each lead screw (7) is fixedly connected with a transmission shaft (8), the transmission shaft (8) is fixedly connected with a worm wheel (9), the lower support (3) is rotatably connected with an adjusting shaft (10), the adjusting shaft (10) is provided with a worm (11) corresponding to the worm wheel (9), the worm (11) is meshed with the worm wheel (9), and one end of the adjusting shaft (10) is fixedly connected with an adjusting disc (12), the upper support (2) is fixedly connected to the lower support (3), the driving roller (4) is rotatably connected to the bottom of the upper support (2), the driving motor (13) is fixedly connected to the upper support (2), the driving motor (13) is in power connection with the driving roller (4), and the driving roller (4) is in power connection with the driven roller (5).

2. A printer sheet transport mechanism according to claim 1, wherein: fixedly connected with first gear (19) on the one end roller of driving roll (4), correspond on upper portion support (2) first gear (19) rotate and are connected with steering spindle (20), fixedly connected with second gear (21) on steering spindle (20), second gear (21) with first gear (19) meshing is connected, fixedly connected with third belt pulley (22) on steering spindle (20), fixedly connected with fourth belt pulley (23) on the one end roller of driven drum (5), third belt pulley (22) with connect through second driving belt (24) between fourth belt pulley (23), match on lower part support (3) second driving belt (24) fixedly connected with tensioning adjusting part (25).

3. A printer sheet transport mechanism according to claim 2, wherein: the tensioning adjusting component (25) comprises a connecting frame (26), an adjusting screw rod (27), an adjusting wheel (28) and a mounting frame (29), the connecting frame (26) is fixedly connected to the mounting frame (29), the connecting frame (26) is fixedly connected with the lower support (3), the mounting rack (29) is connected with an adjusting rack (30) in a sliding way, the adjusting rack (30) is connected with the adjusting wheel (28) in a rotating way, the mounting rack (29) is connected with the adjusting screw rod (27) in a threaded manner, the end part of the adjusting screw rod (27) positioned in the mounting rack (29) is rotatably connected with the adjusting rack (30), the end part of the adjusting screw rod (27) positioned outside is fixedly connected with an adjusting knob (31), the adjusting wheel (28) is positioned between the third belt pulley (22) and the fourth belt pulley (23), and the second transmission belt (24) passes through the adjusting wheel (28).

4. A printer sheet transport mechanism according to claim 1, wherein: the driving mechanism is characterized in that a first belt pulley (14) is fixedly connected to the driving motor (13), a second belt pulley (15) is fixedly connected to the other roller shaft of the driving roller (4), and the first belt pulley (14) is connected with the second belt pulley (15) through a first transmission belt (16).

5. A printer sheet transport mechanism according to claim 1, wherein: fixedly connected with conveying support (17) on base (1), last rotation of conveying support (17) is connected with multiunit conveying cylinder (18), the multiunit conveying cylinder (18) highly all inequality.