CN211106325U

CN211106325U - Mounting structure of even ink roller of printing machine

Info

Publication number: CN211106325U
Application number: CN201921614236.9U
Authority: CN
Inventors: 华怀明; 何泽高
Original assignee: Wuhan Huakang Printing Co Ltd
Current assignee: Wuhan Huakang Printing Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-07-28
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a mounting structure of even ink roller of printing machine relates to packing lithography apparatus's technical field, it includes base and even ink roller body, the equal rigid coupling in both ends of even ink roller body has the inserted block, the base all is provided with the installation piece in even ink roller body both ends, the installation piece is close to the one end of inserted block and sets up the slot with the inserted block grafting adaptation, the slot runs through the installation piece along even ink roller body axial lateral wall, be provided with on the installation piece and carry out fixed locking device to the inserted block, locking device includes that elasticity sets up in the slot and the bolt of directional inserted block, set up the constant head tank with bolt grafting adaptation on the inserted block. The utility model discloses a bolt realizes the connection of dismantling of even ink roller body on the base with the plug-in connection of constant head tank for it is more convenient when changing even ink roller body.

Description

Mounting structure of even ink roller of printing machine

Technical Field

The utility model belongs to the technical field of the technique of packing lithography apparatus and specifically relates to a mounting structure of even ink roller of printing machine is related to.

Background

The distribution roller mainly plays a role of transferring and leveling ink in the printing machine. The ink transfer process in offset printing is typically carried out by a transfer roller that transfers ink from an ink fountain to an ink transfer roller, and an ink distribution roller that spreads the ink from the ink transfer roller into a uniform film that is transferred to the plate via an ink form roller. The transfer of ink between the rollers is accomplished by contacting the ink layers on adjacent rollers and then separating them.

Chinese patent with patent publication No. CN207403369U proposes an ink distributing roller adjusting mechanism of a printing press, which comprises an ink tank, a platen roller and an ink distributing roller, wherein two ends of the ink tank are provided with movable grooves; the ink distributing roller comprises a roller, a connecting shaft and bearings, the connecting shaft is sleeved in the center of the bearings, and the bearings are sleeved on two sides of the roller; two ends of the connecting shaft penetrate through the movable groove to be connected with a transmission mechanism. The utility model discloses an even ink roller adjustment mechanism of printing machine drives even ink roller through motor, screw rod, moving platform, push rod in proper order and carries out horizontal motion, controls the laminating and the separation of even ink roller and impression roller, simple structure, and the device is with low costs.

The above prior art solutions have the following drawbacks: even ink roller when in actual use, need through with the direct butt of distributor roller and form roller, realize grinding even and the transmission to the black bed, even ink roller receives the extrusion for a long time and leads to its rubber layer elasticity unstability easily, probably produces the uneven phenomenon of the local even black of even ink roller, so need carry out periodic replacement to even ink roller, and current even ink roller is for guaranteeing many snap-on of even running on printing machine part, is unfavorable for the change of even ink roller.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a convenient even ink roller's of printing machine mounting structure is dismantled in installation.

The utility model aims at realizing through the following technical scheme:

the utility model provides a mounting structure of even ink roller of printing machine, includes base and even ink roller body, the equal rigid coupling in both ends of even ink roller body has the inserted block, the base in even ink roller body both ends all are provided with the installation piece, the installation piece is close to the one end of inserted block seted up with the slot of inserted block grafting adaptation, the slot runs through the installation piece is followed even ink roller body axial lateral wall, it is right to be provided with on the installation piece the inserted block carries out fixed locking device, locking device includes that elasticity sets up just directional in the slot the bolt of inserted block, seted up on the inserted block with the constant head tank of bolt grafting adaptation.

Through adopting above-mentioned technical scheme, install the pedestal on the printing machine earlier, insert the slot in the installation piece with the inserted block at even ink roller body both ends again, and make bolt and constant head tank plug-in connection, thereby fix even ink roller body between two installation pieces, the slot runs through the lateral wall that the installation piece is close to even ink roller body and the axial lateral wall of even ink roller body is followed to the installation piece, make even ink roller body can carry out convenient installation or dismantlement along the direction of perpendicular its axis, so that in time change the even ink roller body of damage, in order to ensure the even black effect of effective of ink roller of printing machine body.

Further setting the following steps: the installation block is provided with an accommodating groove matched with the inserted pin in an inserting manner on the groove wall of the slot, an elastic piece is arranged between the inserted pin and the bottom wall of the accommodating groove, and a pull rod penetrating through the installation block is fixedly connected to one end, close to the elastic piece, of the inserted pin.

Through adopting above-mentioned technical scheme, during the pulling pull rod drove the bolt retraction holding tank, the elastic component was compressed this moment and is produced deformation, will insert the piece in the slot, until the holding tank alignment on constant head tank on the piece and the installation piece on, the elastic component after the deformation drives the bolt and pops into in the constant head tank to the realization is to the automatic fixation of piece of inserting.

Further setting the following steps: and one end of the pull rod protruding out of the mounting block is provided with a pull ring.

Through adopting above-mentioned technical scheme, pulling pull ring can realize pulling the pulling of contrast rod, and is more convenient during the even ink roller body of installation.

Further setting the following steps: at least two locking devices are arranged on the mounting block.

Through adopting above-mentioned technical scheme, locking device sets up two sets ofly at least, has strengthened the joint strength of inserted block with the installation piece, and then has improved the stability that the even ink roller body passes through pedestal mounting on the printing machine.

Further setting the following steps: the base is hinged with two support arms which are arranged at two axial ends of the ink distributing roller body in rows, the mounting block is arranged at one end of each support arm far away from the base, and the base is hinged with a cylinder which drives the support arms to swing on the base; when after the pedestal mounting is on the printing machine, the support arm drives installation piece wobbling in-process, the distributor roller periphery wall in even ink roller body periphery wall all the time and the printing machine contacts.

By adopting the technical scheme, when the inking device inks the printing roller, the inking device usually needs to firstly transfer the ink to the ink distributing roller through the ink transfer roller, and the ink distributing roller can contact with the ink form roller after the ink layer on the peripheral wall of the ink distributing roller tends to be stable, and then the ink is transferred to the printing roller, so when the printing machine is just started, the cylinder can be started to drive the ink distributing roller body on the support arm to be attached to the outer peripheral wall of the ink transfer roller and move to be far away from the ink form roller when the piston rod of the cylinder drives the cylinder to move, at the moment, the ink distributing roller body is in a self-ink distributing state, when the ink layer on the outer circumferential wall of the ink distributing roller body tends to be stable, the supporting arm is driven to turn over by the air cylinder, and finally, the outer peripheral wall of the ink distributing roller body is contacted with the outer peripheral wall of the ink form roller and the outer peripheral wall of the ink transfer roller, and the ink distributing roller body is in a state of transferring ink evenly, so that stable and even transmission of the ink distributing roller body to the ink layer is realized.

Further setting the following steps: the support arm is provided with a sliding groove along the length direction of the support arm, the mounting block is connected in the sliding groove in a sliding manner, and the support arm is provided with a driving component for driving the mounting block to slide in the sliding groove.

Through adopting above-mentioned technical scheme, when the drive assembly drive installation piece slided in the spout, can be used to adjust the degree of supporting tightly between form ink roller body and form ink roller or the form ink roller to when the even ink roller body of installation and dismantlement, also can change the position of installation piece in the spout through drive assembly, thereby remove the contact of even ink roller body and other parts, the dismantlement of the even ink roller body of being convenient for.

Further setting the following steps: the driving assembly comprises a threaded rod which is rotatably connected to the groove walls at two ends of the sliding groove in the length direction, and the threaded rod penetrates through one end, far away from the slot, of the mounting block.

Through adopting above-mentioned technical scheme, rotatory threaded rod, when the spout internal rotation of threaded rod on the support arm, drive the axial displacement of installation piece along the threaded rod on the threaded rod, and then realize the adjustment to the even ink roller body position.

Further setting the following steps: the threaded rod runs through the support arm is far away from the one end of base and this tip rigid coupling have the hand wheel.

Through adopting above-mentioned technical scheme, rotatory hand wheel can drive the threaded rod rotatory to it is more convenient during the position of even ink roller body of adjustment.

To sum up, the utility model discloses a beneficial technological effect does:

1. the ink distributing roller body is arranged between the two mounting blocks through the splicing connection of the inserting block and the mounting block, and is fixed on the mounting block through the splicing connection of the inserting pin and the positioning groove, and the mounting block is fixed on the printing machine through the base, so that the ink distributing roller body is convenient to mount and dismount;

2. the plurality of locking devices are arranged, so that the connection strength of the insertion block and the mounting block is improved, and the stability of the ink distributing roller body mounted on the printing machine through the base is further improved;

3. the ink distributing roller body is connected to the base in a rotating mode through the support arm and driven by the air cylinder, so that the ink distributing roller body can be flexibly switched between two states of self ink distributing and transfer ink distributing, meanwhile, the ink distributing roller body can also be used for temporarily stopping the printing working condition of the printing machine, and ink waste and material loss caused by completely restarting the printing machine are avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a partially enlarged schematic view of a portion B in fig. 2.

Reference numerals: 1. a base; 2. an ink distributing roller body; 3. inserting a block; 4. mounting blocks; 5. a slot; 6. a bolt; 7. positioning a groove; 8. accommodating grooves; 9. an elastic member; 10. a pull rod; 11. a pull ring; 12. a support arm; 13. a cylinder; 14. a chute; 15. a threaded rod; 16. a handwheel.

Detailed Description

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

Referring to fig. 1 and 2, for the installation structure of the distributing roller of the printing machine disclosed by the present invention, comprising a base 1 installed on the printing machine and a distributing roller body 2 installed on the base 1, two support arms 12 at two ends of the axis of the distributing roller body 2 are hinged on the base 1, two cylinders 13 for driving the two support arms 12 to swing on the base 1 respectively are hinged on the base 1, and the piston rods of the cylinders 13 are hinged with the middle parts of the support arms 12; the adjacent side walls of the two support arms 12 are respectively provided with a sliding groove 14 along the length direction, the sliding grooves 14 are internally provided with mounting blocks 4 sliding along the length direction of the sliding grooves 14, the ink distributing roller body 2 is detachably mounted between the two mounting blocks 4, and the outer peripheral wall of the ink distributing roller body 2 is always contacted with the outer peripheral wall of an ink transfer roller in the printing machine in the process that the support arms 12 are driven by the air cylinder 13 to drive the mounting blocks 4 to swing on the base 1; the support arm 12 is provided with a driving component for driving the mounting block 4 to slide in the sliding groove 14, the driving component comprises a threaded rod 15 which is rotatably connected to the groove walls at two ends of the sliding groove 14 in the length direction, the thread of the threaded rod 15 penetrates through the mounting block 4, one end of the threaded rod 15 penetrates through one end of the support arm 12 far away from the base 1, and the end is fixedly connected with a hand wheel 16.

Installing the base 1 on a printing machine, starting the printing machine, then starting the air cylinder 13, driving the piston rod of the air cylinder 13 to move, driving the support arm 12 to turn over on the base 1, enabling the support arm 12 to swing to the ink distributing roller body 2 to move away from an inking roller on the printing machine, simultaneously rotating the hand wheel 16 to drive the threaded rod 15 to rotate, enabling the installation block 4 to slide in the chute 14 and finally enabling the outer peripheral wall of the ink distributing roller body 2 to be in contact with the outer peripheral wall of an ink transfer roller on the printing machine, at the moment, enabling the ink transfer roller body 2 to be in a self-ink distributing state, enabling the ink transfer roller to transfer ink to the ink distributing roller body 2, and enabling; after the printing ink layer of even ink roller body 2 periphery wall is stable, rethread cylinder 13 drive support arm 12 upset to through rotatory hand wheel 16 drive installation piece 4 slide in spout 14, finally make even ink roller body 2 periphery wall both with form ink roller periphery wall contact, again with distributor roller periphery wall contact, even ink roller body 2 is in the even black state of transmission this moment, has realized even transmission of the stable of even ink roller body 2 to the printing ink layer. Meanwhile, the ink distributing roller body 2 can be flexibly switched between two states of self ink distributing and transfer ink distributing, so that the mounting structure of the ink distributing roller can also be used for controlling the working condition of temporarily stopping printing on the printing machine, and the ink waste and material loss caused by completely restarting the machine can be avoided.

Referring to fig. 1 and 3, both ends of the ink distributing roller body 2 are fixedly connected with the inserting blocks 3, one end of the mounting block 4, which is far away from the support arm 12, is provided with a slot 5 which is in inserted fit with the inserting blocks 3, the slot 5 penetrates through the mounting block 4 along the axial side wall of the ink distributing roller body 2, the mounting block 4 is provided with a plurality of locking devices for fixing the inserting blocks 3, and in the embodiment, the two locking devices are arranged along one diagonal line of the maximum rectangular surface of the inserting blocks 3; locking device includes that elasticity sets up in slot 5 and directional inserted block 3's bolt 6, set up the constant head tank 7 with 6 grafting adaptations of bolt on the inserted block 3, install piece 4 and set up the holding tank 8 with 6 grafting adaptations of bolt on the slot 5 cell wall, bolt 6 is close to the one end rigid coupling of elastic component 9 and has a pull rod 10 that runs through installation piece 4, pull rod 10 salient is worn to be equipped with pull ring 11 in the one end of installation piece 4, be provided with elastic component 9 between 6 and the 8 diapalls of holding tank, elastic component 9 is preferred to be established the spring at the 10 periphery walls of pull rod.

When the ink distributing roller body 2 is installed, two pull rings 11 on the same side are pulled to drive the bolt 6 to retract into the accommodating groove 8 through the pull rod 10, the elastic part 9 is compressed to generate deformation, then the inserting block 3 at one end of the ink distributing roller body 2 is inserted into the slot 5 in the installing block 4, and when the positioning groove 7 on the inserting block 3 is aligned with the accommodating groove 8 on the installing block 4, the deformed elastic part 9 drives the bolt 6 to bounce into the positioning groove 7, so that the automatic fixing of the inserting block 3 is realized; the inserted block 3 is fixed on the installation block 4 through the plug-in connection of the two elastic setting pins 6 on the diagonal and the positioning grooves 7, so that the connection strength of the inserted block 3 and the installation block 4 is enhanced, and the stability of the ink distributing roller body 2 installed on the printing machine through the base 1 is further improved. When the even ink roller body 2 of needs dismantlement, only need to stimulate a plurality of pull rings 11 and make a plurality of bolts 6 remove with the plug-in connection of constant head tank 7, and then can directly follow the even ink roller body 2 of the axial direction pulling of the even ink roller body of perpendicular to and take out even ink roller body 2, it is also more convenient when dismantling even ink roller body 2, be convenient for in time change the even ink roller body 2 of damage to ensure the even ink roller's of printing machine body effective even black effect.

The implementation principle and the beneficial effects of the embodiment are as follows:

install base 1 on the printing machine earlier, insert the slot 5 in the installation piece 4 with the inserted block 3 at even ink roller body 2 both ends again, and make a plurality of bolts 6 and a plurality of constant head tank 7 plug-in connection, thereby fix even ink roller body 2 stably between two installation pieces 4, slot 5 runs through installation piece 4 and is close to the lateral wall of even ink roller body 2 and installation piece 4 along the axial lateral wall of even ink roller body 2, make even ink roller body 2 can carry out convenient installation or dismantlement along the direction of perpendicular its axis, so that in time change even ink roller body 2 of damage, in order to ensure the even ink effect of effective of the even ink roller of printing machine body.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a mounting structure of even ink roller of printing machine which characterized in that: including base (1) and even ink roller body (2), the equal rigid coupling in both ends of even ink roller body (2) has inserted block (3), base (1) in even ink roller body (2) both ends all are provided with installation piece (4), installation piece (4) are close to the one end of inserted block (3) seted up with slot (5) of inserted block (3) grafting adaptation, slot (5) run through installation piece (4) are followed even ink roller body (2) axial lateral wall, be provided with on installation piece (4) right inserted block (3) carry out fixed locking device, locking device includes that elasticity sets up in slot (5) and directional bolt (6) of inserted block (3), seted up on inserted block (3) with constant head tank (7) of bolt (6) grafting adaptation.

2. A mounting structure of an ink distributing roller of a printing press according to claim 1, wherein: the installation piece (4) in slot (5) cell wall on seted up with holding tank (8) of bolt (6) grafting adaptation, bolt (6) with be provided with elastic component (9) between holding tank (8) diapire, bolt (6) are close to the one end rigid coupling of elastic component (9) has pull rod (10) of running through installation piece (4).

3. A mounting structure of an ink distributing roller of a printing press according to claim 2, wherein: and a pull ring (11) is arranged at one end of the pull rod (10) protruding out of the mounting block (4).

4. A mounting structure of an ink distributing roller of a printing press according to claim 3, wherein: the mounting block (4) is provided with at least two locking devices.

5. A mounting structure of an ink distributing roller of a printing press according to any one of claims 1 to 4, wherein: the base (1) is hinged with two support arms (12) which are arranged at two axial ends of the ink distributing roller body (2) in rows, the mounting block (4) is arranged at one end of each support arm (12) far away from the base (1), and the base (1) is hinged with a cylinder (13) which drives the support arms (12) to swing on the base (1); when base (1) is installed the back on the printing machine, support arm (12) drive installation piece (4) wobbling in-process, form ink roller body (2) periphery wall all the time with the form ink roller periphery wall contact in the printing machine.

6. A mounting structure of an ink distributing roller of a printing press according to claim 5, wherein: the supporting arm (12) is provided with a sliding groove (14) along the length direction of the supporting arm, the mounting block (4) is connected in the sliding groove (14) in a sliding mode, and the supporting arm (12) is provided with a driving component for driving the mounting block (4) to slide in the sliding groove (14).

7. A mounting structure of an ink distributing roller of a printing press according to claim 6, wherein: the driving assembly comprises a threaded rod (15) which is rotatably connected to the groove walls at two ends of the sliding groove (14) in the length direction, and the threaded rod (15) penetrates through the end, far away from the slot (5), of the mounting block (4) in a threaded mode.

8. A mounting structure of an ink distributing roller of a printing press according to claim 7, wherein: the threaded rod (15) penetrates through the support arm (12) and is far away from one end of the base (1), and a hand wheel (16) is fixedly connected to the end portion of the support arm.