CN213167312U - Adjusting device of printing machine transmission mechanism and printing machine - Google Patents

Abstract

The utility model relates to a technical field of printing machine, the utility model discloses a printing machine drive mechanism's adjusting device and printing machine, including the ejector pad, adjust the worm, with adjusting worm meshing driven regulation worm wheel and screw-nut spare, so, when producing the clearance because of wearing and tearing between power worm and the printing worm wheel, it rotates to drive the regulation worm through adjusting the power supply, drive the lead screw with the driven regulation worm wheel of adjusting the worm meshing and rotate and make the nut along the axial drive of lead screw, and then drive the axial displacement of ejector pad along power main shaft, the ejector pad exerts pressure to the power worm along the axial direction of power main shaft, and then drive the power worm and remove along power main shaft in order to reduce the wearing and tearing clearance that produces between power worm and the printing worm wheel, guarantee the meshing transmission between power worm and the printing worm wheel, and then guarantee the printing quality of printing roller.

Description

Adjusting device of printing machine transmission mechanism and printing machine

Technical Field

The utility model relates to a technical field of printing machine especially relates to a printing machine drive mechanism's adjusting device and printing machine.

Background

A printer is a machine for printing text and images. Modern printing machines are generally composed of mechanisms for plate loading, inking, stamping, paper feeding, 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 onto paper or other printing material, so that the same printed matter as that of the printing plate can be reproduced.

The printing machine carries out printing operation through pivoted printing roller, and printing roller among the prior art passes through the power worm on the power main shaft and the cooperation transmission power of printing worm wheel, and along with the increase of live time, the clearance can appear because of wearing and tearing between power worm and the printing worm wheel to influence the meshing transmission between power worm and the printing worm wheel, and then influence the printing quality of printing roller.

Disclosure of Invention

The utility model aims at providing a printing machine drive mechanism's adjusting device to solve and to appear the clearance because of wearing and tearing between current power worm and the printing worm wheel, thereby influence the meshing transmission between power worm and the printing worm wheel, and then influence the problem of the printing quality of printing roller.

In order to solve the problems, the utility model provides an adjusting device of a transmission mechanism of a printing machine, the printing machine comprises a frame, a printing roller and a driving device for driving the printing roller to rotate, the driving device comprises a printing worm wheel, a power worm in meshing transmission with the printing worm wheel and a power main shaft, the printing worm wheel is arranged at one end of the printing roller, the power worm is arranged on the power main shaft and comprises a push block, an adjusting worm wheel in meshing transmission with the adjusting worm and a screw rod nut piece, the push block is respectively arranged at two sides of the power worm, the upper end of the push block is connected to the power main shaft in a sliding way, the adjusting worm is externally connected with an adjusting power source, and a screw rod of the screw rod nut piece is connected to the adjusting worm wheel, and a nut of the screw rod nut piece is connected with the lower end of the push block.

Furthermore, the upper end of the push block is connected to the power spindle through a push sleeve.

Furthermore, a pressing plate is further arranged on the power main shaft, the pressing plate is respectively located on two sides of the pushing block, a first connecting hole is formed in the pressing plate, and a second connecting hole corresponding to the first connecting hole is formed in the pushing block.

Furthermore, a thrust bearing is further arranged on the power main shaft, and the thrust bearing is respectively arranged between the push block and the power worm.

Furthermore, a first key groove is formed in the power spindle, a second key groove corresponding to the first key groove is formed in the power worm, a connecting key is fixedly arranged in the first key groove, and the connecting key is connected to the second key groove in a sliding mode.

Furthermore, the adjusting device further comprises an adjusting seat, wherein the adjusting seat is arranged on the rack, and the adjusting worm, the adjusting worm gear and the screw rod nut piece are arranged on the adjusting seat.

Furthermore, adjust the power supply and include the regulating spindle and locate the adjustment handle of regulating spindle one end, the other end of regulating spindle is connected adjust the worm.

In order to solve the same technical problem, the utility model also provides a printing machine, including frame, power main shaft, food tray and the arbitrary any of above-mentioned embodiment adjusting device, the power main shaft pass through the headstock connect in the frame, the food tray is located adjusting device's below, just the both ends of food tray pass through the link plate connect in on the headstock.

The utility model provides a printing machine drive mechanism's adjusting device, including the ejector pad, adjust the worm, with adjusting worm meshing driven regulation worm wheel and screw rod nut spare, so, when producing the clearance because of wearing and tearing between power worm and the printing worm wheel, drive through adjusting the power supply and adjust the worm and rotate, drive the lead screw with adjusting worm meshing driven regulation worm wheel and rotate the axial drive that makes the nut follow the lead screw, and then drive the axial displacement of ejector pad along power main shaft, the ejector pad exerts pressure to the power worm along the axial direction of power main shaft, and then drive the power worm and remove the wearing and tearing clearance in order to reduce production between power worm and the printing worm wheel along power main shaft, guarantee the meshing transmission between power worm and the printing worm wheel, and then guarantee the printing quality of printing roller.

Drawings

Fig. 1 is a schematic structural diagram of a printing machine in an embodiment of the present invention.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is a schematic structural diagram of an adjusting device in an embodiment of the present invention.

Fig. 4 is a schematic sectional view along line C-C in fig. 3.

In the figure, 1, a frame; 2. a printing roller; 3. printing worm wheel; 4. a power worm; 5. a power spindle; 6. an adjustment device; 7. an oil pan; 8. an anilox roll; 9. a printing roller; 10. a main shaft seat; 11. hanging the plate; 501. a first keyway; 502. a connecting bond; 601. a push block; 602. adjusting the worm; 603. adjusting the worm gear; 604. a screw rod; 605. a nut; 606. pushing a sleeve; 607. pressing a plate; 608. a first connection hole; 609. a thrust bearing; 610. a second keyway; 611. an adjusting seat; 612. an adjustment shaft.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1 to 4, schematically showing an adjusting device of a transmission mechanism of a printing machine according to an embodiment of the present invention, the printing machine includes a frame 1, an anilox roller 8, a printing roller 9, a printing roller 2 and a driving device for driving the printing roller 2 to rotate, the driving device includes a printing worm wheel 3, a power worm 4 and a power spindle 5 engaged with the printing worm wheel 3, the printing worm wheel 3 is disposed at one end of the printing roller 2, the power worm 4 is disposed on the power spindle 5, the driving source drives the power spindle 5 to rotate, and further drives the power worm 4 to move, the power worm 4 drives the printing roller 2 to rotate through the printing worm wheel 3 to realize a printing operation of the printing roller 2, specifically, the adjusting device 6 of the transmission mechanism of the printing machine includes a push block 601, an adjusting worm 602, an adjusting worm wheel 603 engaged with the adjusting worm 602 and a screw nut, the push blocks 601 are disposed at two sides of the power worm 4 respectively, the upper end of the push block 601 is connected with the power main shaft 5 in a sliding way, the adjusting worm 602 is externally connected with an adjusting power source, the lead screw 604 of the lead screw nut piece is connected with the adjusting worm gear 603, the nut 605 of the lead screw nut piece is connected with the lower end of the push block 601, thus, when a gap is generated between the power worm 4 and the printing worm wheel 3 due to abrasion, the adjusting worm 602 is driven to rotate by adjusting the power source, the adjusting worm wheel 603 engaged with the adjusting worm 602 drives the screw 604 to rotate so that the nut 605 is driven along the axial direction of the screw 604, thereby driving the push block 601 to move along the axial direction of the power main shaft 5, the push block 601 applies pressure to the power worm 4 along the axial direction of the power main shaft 5, and then the power worm 4 is driven to move along the power main shaft 5 so as to reduce the abrasion gap generated between the power worm 4 and the printing worm wheel 3, ensure the meshing transmission between the power worm 4 and the printing worm wheel 3 and further ensure the printing quality of the printing roller 2.

Further, the upper end of the push block 601 is connected to the power spindle 5 through the push sleeve 606, so that abrasion between the push block 601 and the power spindle 5 is avoided, and transmission efficiency between the push block 601 and the power spindle is ensured. Preferably, in order to avoid the thrust block 601 from directly pressing on the power worm 4 to affect the operation of the power worm 4, a thrust bearing 609 is further provided on the power main shaft 5, and the thrust bearings 609 are respectively provided between the thrust block 601 and the power worm 4, so that the thrust block 601 can act on the power worm 4 through the thrust bearing 609 by applying force to the thrust bearing 609 to reduce the abrasion to the power worm 4.

In this embodiment, the power spindle 5 is further provided with a pressing plate 607, the pressing plates 607 are respectively located at two sides of the pushing block 601, the pressing plate 607 is provided with a first connecting hole 608, the pushing block 601 is provided with a second connecting hole corresponding to the first connecting hole 608, after the pushing block 601 moves the power worm 4 to a proper position, the pressing plate 607 and the pushing plate are respectively connected by a connecting piece passing through the first connecting hole 608 and the second connecting hole, and the relative position between the two is fixed, so that the power worm 4 is prevented from self-moving under the action of external force to affect the transmission performance.

In this embodiment, in order to ensure that the power worm 4 can move and adjust along the power spindle 5, the power worm 4 is slidably disposed on the power spindle 5, specifically, the power spindle 5 is provided with a first key slot 501, the power worm 4 is provided with a second key slot 610 corresponding to the first key slot 501, a connection key 502 is fixedly disposed in the first key slot 501, the connection key 502 is slidably connected in the second key slot 610, and when the power worm 4 moves, the connection key 502 can correspondingly move through the second key slot 610, so as to ensure that the adjustment of the power worm 4 is smooth.

The adjusting device 6 of the transmission mechanism of the printing machine in the embodiment further includes an adjusting seat 611, the adjusting seat 611 is disposed on the frame 1, the adjusting worm 602, the adjusting worm wheel 603 and the lead screw 604 nut 605 are disposed on the adjusting seat 611, and the adjusting seat 611 plays a role in stably supporting the adjusting worm 602, the adjusting worm wheel 603 and the lead screw 604 nut 605.

Generally, the adjusting power source includes an adjusting shaft 612 and an adjusting handle disposed at one end of the adjusting shaft 612, the other end of the adjusting shaft 612 is connected to the adjusting worm 602, and the adjusting shaft 612 is driven to rotate by rotating the adjusting handle, so as to drive the adjusting worm 602 to rotate.

This embodiment still provides a printing machine, including frame 1, power main shaft 5, food tray 7 and any one of the above-mentioned embodiment adjusting device 6, power main shaft 5 passes through spindle saddle 10 and connects on frame 1, food tray 7 is located adjusting device 6's below, and the both ends of food tray 7 are connected on spindle saddle 10 through link plate 11, in order to guarantee the transmission performance of drive disk assembly, need scribble lubricating oil on the drive disk assembly, in order to avoid unnecessary lubricating oil to drip subaerial, set up food tray 7 through adjusting device 6 below, make the lubricating oil that falls down can naturally drop in food tray 7, guarantee operating space's neatness nature.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a printing machine drive mechanism's adjusting device, the printing machine includes frame, printing roller and is used for the drive printing roller pivoted drive arrangement, drive arrangement include printing worm wheel, with printing worm wheel meshing driven power worm and power main shaft, printing worm wheel is located printing roller's one end, the power worm is located on the power main shaft, its characterized in that, including ejector pad, adjusting worm, with adjusting worm meshing driven adjusting worm wheel and screw-nut spare, the ejector pad is located respectively the both sides of power worm, just the upper end sliding connection of ejector pad in on the power main shaft, the external regulation power supply of adjusting worm, the screw rod of screw-nut spare connect in adjust the worm wheel, the nut of screw-nut spare with the lower extreme of ejector pad is connected.

2. The adjusting device of a transmission mechanism of a printing press as claimed in claim 1, wherein the upper end of the push block is connected to the power spindle through a push sleeve.

3. The adjusting device of the transmission mechanism of the printing machine as claimed in claim 2, wherein the power spindle is further provided with a pressing plate, the pressing plate is respectively located at two sides of the pushing block, the pressing plate is provided with a first connecting hole, and the pushing block is provided with a second connecting hole corresponding to the first connecting hole.

4. The adjusting device of the transmission mechanism of the printing machine as claimed in claim 3, wherein the power spindle is further provided with thrust bearings, and the thrust bearings are respectively arranged between the push block and the power worm.

5. The adjusting device of the transmission mechanism of the printing machine as claimed in claim 4, wherein the power spindle is provided with a first key slot, the power worm is provided with a second key slot corresponding to the first key slot, and the first key slot is fixedly provided with a connecting key which is slidably connected with the second key slot.

6. The adjusting device of the transmission mechanism of the printing machine as claimed in claim 5, further comprising an adjusting seat, wherein the adjusting seat is arranged on the frame, and the adjusting worm, the adjusting worm wheel and the lead screw nut member are arranged on the adjusting seat.

7. The adjusting device of the transmission mechanism of the printing machine as claimed in claim 6, wherein the adjusting power source comprises an adjusting shaft and an adjusting handle arranged at one end of the adjusting shaft, and the other end of the adjusting shaft is connected with the adjusting worm.

8. A printing machine, comprising a frame, a power spindle, an oil pan and an adjusting device according to any one of claims 1 to 7, wherein the power spindle is connected to the frame through a spindle base, the oil pan is located below the adjusting device, and two ends of the oil pan are connected to the spindle base through hanging plates.

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