CN212021945U

CN212021945U - Plate cylinder of printing machine

Info

Publication number: CN212021945U
Application number: CN202020294222.XU
Authority: CN
Inventors: 成立俭
Original assignee: Qingdao Gbs Machinery Manufacturing Co ltd
Current assignee: Qingdao Gbs Machinery Manufacturing Co ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-11-27
Anticipated expiration: 2030-03-11

Abstract

The utility model provides a plate cylinder of printing machine. The plate cylinder of the printing press comprises a connecting shaft; the roller is fixedly sleeved on the connecting shaft; a plate disposed on the cylinder; the two mounting blocks are respectively and fixedly mounted at two ends of the connecting shaft; the two rotating shafts are respectively arranged on the two mounting blocks; the two fixing mechanisms are respectively arranged on the two mounting blocks and the two rotating shafts; the two central positioning blocks are fixedly arranged on the two rotating shafts respectively; and the driven gear is fixedly arranged at one end of any one of the rotating shafts. The utility model provides a forme cylinder of printing machine has the installation and dismantles the convenience, and can carry out the central point to the installation axle and fix a position, the accurate advantage of mounted position.

Description

Plate cylinder of printing machine

Technical Field

The utility model relates to a printing machine technical field especially relates to a plate cylinder of printing machine.

Background

The printing plate is a cylindrical printing plate on a printing press or a support thereof. The plate cylinder rotates on one side of the impression cylinder and is in line with the linear velocity of the impression cylinder, thereby printing the graphic information on the print carrier.

However, the traditional printing plate cylinder is inconvenient to mount and dismount, the assembly part needs to be beaten during mounting and dismounting, time and labor are wasted, deviation is easy to occur during mounting, and printing quality is affected.

Therefore, there is a need to provide a new plate cylinder for a printing press that solves the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide an installation and dismantle conveniently, and can carry out the central point to the installation axle and fix a position, the printing plate cylinder of the accurate printing machine of mounted position.

For solving the technical problem, the utility model provides a plate cylinder of printing machine includes: a connecting shaft; the roller is fixedly sleeved on the connecting shaft; a plate disposed on the cylinder; the two mounting blocks are respectively and fixedly mounted at two ends of the connecting shaft; the two rotating shafts are respectively arranged on the two mounting blocks; the two fixing mechanisms are respectively arranged on the two mounting blocks and the two rotating shafts; the two central positioning blocks are fixedly arranged on the two rotating shafts respectively; and the driven gear is fixedly arranged at one end of any one of the rotating shafts.

Preferably, the fixing mechanism comprises a clamping groove, a slotted hole, an inserted bar, a locking groove, a convex block, a locking block, a gasket, an adapting groove and a hexagonal mounting groove, the clamping groove is arranged at the central position of the rotating shaft, the central positioning block is fixedly arranged at the central position of the inner wall of the clamping groove, the slot hole is arranged at the top of the mounting block, the inserted bar is arranged in the slot hole, the inserted link penetrates through the inserted slot hole, the locking slot is arranged at the top of the rotating shaft, the lug is fixedly arranged at the top end of the inserted link, the locking block is arranged in the locking groove in a threaded manner, the hexagonal mounting groove is formed in the top of the locking block, the adapter groove is formed in the bottom of the locking block, the gasket is fixedly mounted on the inner wall of the top of the adapter groove, and the bottom of the gasket is in contact with the top of the bump.

Preferably, the two mounting blocks are provided with positioning grooves, and the two central positioning blocks are respectively matched with the two positioning grooves.

Preferably, the lug is provided with a hanging hole.

Preferably, a limiting groove is formed in the inner wall of the bottom of the clamping groove, and the bottom end of the inserted rod extends into the limiting groove.

Compared with the prior art, the utility model provides a plate cylinder of printing machine has following beneficial effect:

the utility model provides a printing plate cylinder of printing machine, during the dismantlement, insert the hexagonal mounting groove through outside hexagonal spanner and rotate, make the latch segment torn open, the reuse hook passes the hanging hole, take out lug with the inserted bar and can make installation piece and pivot separation, the completion is dismantled, and then wash the printing plate and change etc. comparatively convenient, when needing the installation, make the central locating piece insert the constant head tank of installation piece, after fixing, can accomplish the installation, because the device can freely dismantle, the operation is got up labour saving and time saving than the comparison.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a plate cylinder of a printing press according to the present invention;

FIG. 2 is a schematic front cross-sectional view of the structure shown in FIG. 1;

FIG. 3 is a schematic view of the assembly of the spindle and the center positioning block shown in FIG. 2;

fig. 4 is a sectional structural view of the mounting block shown in fig. 2.

Reference numbers in the figures: 1. the printing plate comprises a roller, 2, a printing plate, 3, a connecting shaft, 4, an installation block, 5, a rotating shaft, 6, a clamping groove, 7, a slotted hole, 8, an inserting rod, 9, a limiting groove, 10, a locking groove, 11, a convex block, 12, a locking block, 13, a gasket, 14, an adaptation groove, 15, a hexagonal installation groove, 16, a central positioning block, 17, a positioning groove, 18 and a driven gear.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a plate cylinder of a printing machine according to a preferred embodiment of the present invention; FIG. 2 is a schematic front cross-sectional view of the structure shown in FIG. 1; FIG. 3 is a schematic view of the assembly of the spindle and the center positioning block shown in FIG. 2; fig. 4 is a sectional structural view of the mounting block shown in fig. 2. A plate cylinder for a printing press comprising: a connecting shaft 3; the roller 1 is fixedly sleeved on the connecting shaft 3; a plate 2, the plate 2 being disposed on the cylinder 1; the two mounting blocks 4 are respectively and fixedly mounted at two ends of the connecting shaft 3; the two rotating shafts 5 are respectively arranged on the two mounting blocks 4; the two fixing mechanisms are respectively arranged on the two mounting blocks 4 and the two rotating shafts 5; the two central positioning blocks 16 are respectively and fixedly arranged on the two rotating shafts 5; and the driven gear 18, the said driven gear 18 is fixedly mounted on one end of any said spindle 5.

The fixing mechanism comprises a clamping groove 6, a slot hole 7, an inserting rod 8, a locking groove 10, a convex block 11, a locking block 12, a gasket 13, an adapting groove 14 and a hexagonal installation groove 15, the clamping groove 6 is arranged at the central position of the rotating shaft 5, a central positioning block 16 is fixedly arranged at the central position of the inner wall of the clamping groove 6, the slot hole 7 is arranged at the top of the installation block 4, the inserting rod 8 is arranged in the slot hole 7, the inserting rod 8 penetrates through the slot hole 7, the locking groove 10 is arranged at the top of the rotating shaft 5, the convex block 11 is fixedly arranged at the top end of the inserting rod 8, the locking block 12 is arranged in the locking groove 10 in a threaded manner, the hexagonal installation groove 15 is arranged at the top of the locking block 12, the adapting groove 14 is arranged at the bottom of the locking block 12, and the gasket 13 is fixedly arranged on the inner wall of the top of the adapting groove 14, the bottom of the pad 13 is in contact with the top of the bump 11.

Positioning grooves 17 are formed in the two mounting blocks 4, and the two central positioning blocks 16 are respectively matched with the two positioning grooves 17.

The lug 11 is provided with a hanging hole.

A limiting groove 9 is formed in the inner wall of the bottom of the clamping groove 6, and the bottom end of the inserting rod 8 extends into the limiting groove 9.

The gasket 13 is made of rubber.

The utility model provides a printing plate cylinder's of printing machine theory of operation as follows:

at first driven gear 18 and external drive gear looks adaptation, and then drive cylinder 1 and rotate, drive printing plate 2 prints, when dismantling, inserts through outside hexagonal spanner and rotates in hexagonal mounting groove 15, makes latch segment 12 dismantled, and the reuse hook passes the hanging hole, takes out lug 11 and insert rod 8 with and can make installation piece 4 and pivot 5 separation, accomplishes the dismantlement, and then washs change etc. printing plate 2, and is comparatively convenient.

When needing to install, make central locating piece 16 insert in the constant head tank 17 of installation piece 4, can guarantee to install accurately, pivot 5 can keep central point to put when rotating, then in inserted bar 8 inserts slot hole 7 for the one end of inserted bar 8 enters into spacing groove 9 after, in locking block 12 threaded mounting locking groove 10, after fixed, can accomplish the installation, because the device can freely be dismantled, the labour saving and time saving of comparison is got up in the operation.

the utility model provides a printing plate cylinder of printing machine, during the dismantlement, insert in hexagonal mounting groove 15 through outside hexagonal spanner and rotate, make latch segment 12 torn open, the reuse hook passes the hanging hole, take out lug 11 with inserted bar 8 and can make

installation piece

4 and 5 separation of pivot, the completion is dismantled, and then wash change etc. to printing plate 2, it is comparatively convenient, when needing to install, make central locating piece 16 insert in the constant head tank 17 of installation piece 4, fix good back, can accomplish the installation, because the device can freely dismantle, the labour saving and time saving of comparison is got up in the operation.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A plate cylinder for a printing press, comprising:

a connecting shaft;

the roller is fixedly sleeved on the connecting shaft;

a plate disposed on the cylinder;

the two mounting blocks are respectively and fixedly mounted at two ends of the connecting shaft;

the two rotating shafts are respectively arranged on the two mounting blocks;

the two fixing mechanisms are respectively arranged on the two mounting blocks and the two rotating shafts;

the two central positioning blocks are fixedly arranged on the two rotating shafts respectively;

and the driven gear is fixedly arranged at one end of any one of the rotating shafts.

2. The plate cylinder of a printing press according to claim 1, wherein said fixing mechanism includes a slot, a slot hole, an insertion rod, a locking groove, a projection, a locking block, a gasket, an adapting groove, and a hexagonal mounting groove, said slot is provided at a central position of said rotation shaft, said central positioning block is fixedly mounted at a central position of an inner wall of said slot, said slot hole is provided at a top of said mounting block, said insertion rod is provided in said slot hole, and said insertion rod penetrates said slot hole, said locking groove is provided at a top of said rotation shaft, said projection is fixedly mounted at a top end of said insertion rod, said locking block is screw-threadedly mounted inside said locking groove, said hexagonal mounting groove is provided at a top of said locking block, said adapting groove is provided at a bottom of said locking block, said gasket is fixedly mounted on an inner wall of a top of said adapting groove, the bottom of the gasket is in contact with the top of the bump.

3. The plate cylinder of a printing press according to claim 1, wherein positioning slots are provided in both of the mounting blocks, and the two central positioning blocks are respectively fitted in the two positioning slots.

4. The plate cylinder of a printing press according to claim 2, wherein said projections are provided with hanging holes.

5. The plate cylinder of a printing press according to claim 2, wherein a limiting groove is formed on an inner wall of a bottom of the slot, and a bottom end of the insert rod extends into the limiting groove.