CN114248533B

CN114248533B - Printing roller

Info

Publication number: CN114248533B
Application number: CN202111564067.4A
Authority: CN
Inventors: 邱源鹏
Original assignee: Shanghai Yuncheng Printing Machinery Parts Co ltd
Current assignee: Shanghai Yuncheng Printing Machinery Parts Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2023-11-21
Anticipated expiration: 2041-12-20
Also published as: CN114248533A

Abstract

The application relates to a printing roller, which relates to the field of printing equipment, and comprises a roller body and an outer roller sleeved outside the roller body, wherein the outer roller consists of two semi-annular arc sheets, and is characterized in that: fixing sheets are fixedly connected to two ends of the arc sheet, and a locking piece used for limiting the arc sheet to move along the length direction of the roller body is arranged between the fixing sheets and the roller body; the fixed piece keep away from in the one end fixedly connected with joint piece of arc piece, the fixed piece with the joint piece is the ladder setting, roll body tip cover is equipped with ensures two the fixed cover that the joint piece encloses, the roll body is provided with and is used for fixing the locking piece with the adjusting part of fixed cover. The application has the effect of ensuring the fixation of the two arc pieces firmly, simultaneously ensures the sealing effect between the fixing sleeve and the fixing piece, and improves the labor intensity of staff.

Description

Printing roller

Technical Field

The application relates to the field of printing equipment, in particular to a printing roller.

Background

A machine for printing text and images. Modern printers typically consist of mechanisms such as plate loading, inking, stamping, paper feeding (including folding). The working principle of the device is as follows: firstly, making characters and images to be printed into printing plates, mounting the printing plates on a printing machine, then, manually or by the printing machine, coating ink on the places where the characters and the images are on the printing plates, and directly or indirectly transferring the printing plates onto paper or other printing stock, thereby copying the printed matter identical to the printing plates; the printing roller is a main component of a printing machine, and is used in large-sized printing machines such as a sheet-fed printing machine and a web printing machine.

The current chinese patent of patent application No. CN201810341809.9 proposes a printing roller, including the printing roller body, the cover is equipped with the printing outer roller on the outer peripheral face of printing roller body, the printing outer roller is enclosed by two semicircle annular connection pieces and closes and form, the cover is equipped with the location buckle respectively on the roller of printing roller body left and right sides, compress tightly the buckle, the left side of printing outer roller is fixed through the location buckle with the left side of printing roller body, the right side of printing outer roller is fixed through compressing tightly the buckle with the right side of printing roller body, the holding cavity has been seted up to the compressing tightly buckle, the cover is equipped with damping spring on the roller of printing roller body, the spiro union has lock nut on the roller of printing roller body, all be equipped with a plurality of archs on the both ends about the connection piece, and keep the interval between the adjacent two archs and form the draw-in groove, all be provided with the draw-in key on the medial surface of location buckle and compressing tightly buckle.

Aiming at the related technology, the inventor considers that the fixing stability of the pressing buckle to the two connecting sheets cannot be guaranteed through the matching action between the pressing buckle and the spring, and the two connecting sheets are very easy to separate when the spring shakes in the rotating working process of the printing roller, so that the defect that the normal working of the printing roller is influenced exists.

Disclosure of Invention

In order to solve the problem that the fixation of the two arc sheets is unstable, the application provides a printing roller.

The application provides a printing roller which adopts the following technical scheme:

the utility model provides a printing roller, includes the roll body and overlaps and locate the outer roller of roll body, outer roller comprises two semi-annular arc piece, its characterized in that: fixing sheets are fixedly connected to two ends of the arc sheet, and a locking piece used for limiting the arc sheet to move along the length direction of the roller body is arranged between the fixing sheets and the roller body; the fixed piece keep away from in the one end fixedly connected with joint piece of arc piece, the fixed piece with the joint piece is the ladder setting, roll body tip cover is equipped with ensures two the fixed cover that the joint piece encloses, the roll body is provided with and is used for fixing the locking piece with the adjusting part of fixed cover.

Through adopting above-mentioned technical scheme, laminate two arc pieces and roll body perisporium, the stationary blade also laminates with roll body perisporium, under the effect of locking piece this moment, two arc pieces are restricted along roll body length direction's motion this moment, locate outside the joint piece with fixed sleeve cover, ensure that two arc pieces laminate each other inseparabler, under adjusting part's effect, fixed firm between fixed sleeve and the roll body, and prescribe a limit to the locking piece, realize limiting effect round roll body perisporium pivoted to the arc piece, accomplish the fixed firm effect of two arc pieces and roll body.

Optionally, the locking piece is set up as the grafting piece, roll body week wall is provided with the spliced eye, the stationary blade with grafting piece fixed connection, the grafting piece peg graft in the spliced eye.

By adopting the technical scheme, the plug-in blocks are plugged in the plug-in holes, and the movement of the arc piece along the axial direction of the roller body is limited.

Optionally, the latch segment bottom fixedly connected with latch segment, the latch segment with the latch segment sets up perpendicularly, the latch segment with the latch segment sets up to the L form, the roll body in the spliced eye lateral wall is provided with the joint groove, the joint groove sets up to the L form, latch segment sliding connection in the horizontal segment of joint groove, latch segment sliding connection in the vertical segment of joint groove.

Through adopting above-mentioned technical scheme, locking piece sliding connection is in the horizontal segment of joint groove, and locking piece is also set up to the arc and is laminated with joint tank bottom wall towards one side of joint groove diapire, and the joint groove is kept away from in the one end of spliced eye for closed setting, and splicing piece sliding connection is in the vertical section of joint groove, stationary blade and roll body peripheral wall laminating this moment.

Optionally, the adjusting part includes threaded rod and fixed block, the roll body is provided with the perforation along its axis direction, threaded rod sliding connection in the perforation, the locking piece is provided with the regulation hole, the perforation with the joint groove intercommunication, the threaded rod peg graft in the regulation hole, the roll body is provided with the drive piece of threaded rod motion, the fixed block with be provided with the joint piece between the fixed sleeve.

Through adopting above-mentioned technical scheme, when the joint piece rotates to with joint groove tip butt, perforation and regulation hole intercommunication this moment, under the effect of driving piece, the threaded rod peg graft in the regulation hole, realize the restriction effect to arc piece pivoted this moment, and under the effect of joint piece, realize the clamping and fixing effect to fixed cover, convenient operation.

Optionally, the driving piece sets up to drive the ring, the drive ring with the roll body rotates to be connected, drive the ring with threaded rod threaded connection, the roll body is provided with restriction threaded rod pivoted locating part.

Optionally, the locating part sets up to the locating block, the stopper with perforation inner wall fixed connection, threaded rod circumference outer wall is provided with the spacing groove along its axis direction, stopper sliding connection in the spacing inslot, the spacing groove is close to the one end of driving the ring is the opening setting, and the other end is the closure setting.

Through adopting above-mentioned technical scheme, when the drive ring moved the threaded rod motion, the stopper was slided in the spacing inslot, stopper and spacing inslot wall butt realized threaded rod pivoted restriction effect, and then the threaded rod is driven to peg graft in the regulation downthehole, realizes the locking effect to joint piece pivoted.

Optionally, the drive ring fixedly connected with two rotation pieces, the roll body is provided with the rotation hole, rotation hole inner wall cross-section sets up to the T style of calligraphy, the rotation piece sets up to the L form, the rotation piece horizontal segment with drive ring tip fixed connection, the vertical section rotation of rotation piece connect in the big part of rotation hole opening.

Through adopting above-mentioned technical scheme, the motion of rotor orientation away from the rotation hole is restricted, and the rotor rotates in the rotation hole, realizes driving ring and roll body and rotates the effect of being connected.

Optionally, the joint piece set up to with the joint piece that the fixed block rotates to be connected, the fixed cover keep away from in the one end of joint piece is provided with the fixed slot, the fixed block wears to locate in the fixed slot, the joint piece wear out after the fixed slot rotate to with fixed slot length direction vertically position, the joint piece with during fixed cover outer wall butt the fixed cover with arc lateral wall butt.

Through adopting above-mentioned technical scheme, when fixed cover and stationary blade tip butt, the joint piece wears out the fixed slot, and drive joint piece rotates to the position perpendicular with the fixed slot, realizes carrying out tight effect to fixed cover, easy operation reduces staff intensity of labour.

Optionally, a bearing is rotatably connected between the clamping block and the fixed block.

Through adopting above-mentioned technical scheme, realize the rotation effect between joint piece and the fixed block.

Optionally, the fixed cover with the one end fixedly connected with rubber circle of stationary blade butt, the fixed cover be provided with the standing groove that the fixed slot set up perpendicularly, the standing groove with the crossing intercommunication setting of fixed slot.

Through adopting above-mentioned technical scheme, when the joint piece rotates at fixed cover surface, under the elasticity effect of rubber circle reconversion shape, joint piece and fixed cover terminal surface butt, and increase joint piece and fixed cover's frictional force, and when the rotating block rotated to the standing groove position, under the elasticity effect of rubber circle, the joint piece moved to the standing groove in, and the rotation of joint piece was restricted this moment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two arc sheets are attached to the peripheral wall of the roller body, the movement of the two arc sheets along the length direction of the roller body is limited under the action of the locking piece, the fixing sleeve is covered outside the clamping piece, the two arc sheets are attached to each other more tightly, the fixing sleeve and the roller body are fixed firmly under the action of the adjusting component, the locking piece is limited, the limiting effect of the arc sheets around the peripheral wall of the roller body is achieved, and the effect of fixing the two arc sheets and the roller body firmly is achieved;

2. the fixed sleeve is covered at the end part of the roller body, the fixed sleeve covers the two clamping sheets, the rubber ring is abutted with the end part of the fixed sheet, the rubber ring is extruded continuously, the clamping block penetrates out of the fixed groove and is driven to rotate around the bearing, the clamping block rotates to a position vertical to the fixed groove, and under the elastic force of the rubber ring, the clamping block moves into the placing groove, so that the limiting effect on the rotation of the clamping block is realized;

3. when the drive ring drives the threaded rod to move, the limiting block slides in the limiting groove, the limiting block is abutted with the inner wall of the limiting groove, the limiting effect on the rotation of the threaded rod is achieved, and then the threaded rod is driven to be inserted into the adjusting hole, and the locking effect on the rotation of the clamping block is achieved.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a right side view of an exploded structure of an embodiment of the present application;

FIG. 3 is a left side view of an exploded structure of an embodiment of the present application;

FIG. 4 is a schematic view of a portion of a cross-section of an embodiment of the present application;

fig. 5 is an enlarged schematic view at a in fig. 4.

Reference numerals: 1. a roller body; 2. an arc piece; 3. a fixing piece; 4. a clamping piece; 5. a fixed sleeve; 6. a plug block; 7. a plug hole; 8. a locking block; 9. a clamping groove; 10. a threaded rod; 11. a fixed block; 12. perforating; 13. an adjustment aperture; 14. a drive ring; 15. a limiting block; 16. a limit groove; 17. a rotating block; 18. a rotation hole; 19. a clamping block; 20. a fixing groove; 21. a bearing; 22. a rubber ring; 23. and (5) placing a groove.

Detailed Description

The application is described in further detail below with reference to fig. 1-5.

The embodiment of the application discloses a printing roller. Referring to fig. 1 and 2, a printing roller comprises a roller body 1 and an outer roller sleeved outside the roller body 1, wherein the outer roller consists of two semi-annular arc sheets 2, the sections of the two arc sheets 2 are semicircular, two ends of each arc sheet 2 are fixedly connected with fixing sheets 3, the fixing sheets 3 are consistent with the arc sheets 2 in shape and thickness, and locking pieces for limiting the arc sheets 2 to move along the length direction of the roller body 1 are arranged between the fixing sheets 3 and the roller body 1.

Referring to fig. 2 and 3, the locking piece sets up to grafting piece 6, roll body 1 week wall is provided with spliced eye 7, the inner wall of stationary blade 3 orientation roll body 1 and grafting piece 6 fixed connection, grafting piece 6 is pegged graft in spliced eye 7, grafting piece 6 bottom fixedly connected with locking piece 8, the one end of locking piece 8 sets up perpendicularly with the bottom of grafting piece 6, locking piece 8 sets up to the L form with grafting piece 6, roll body 1 is provided with joint groove 9 in the lateral wall of spliced eye 7, joint groove 9 sets up to circular-arc, and the arc sets up along the perisporium of roll body 1, joint groove 9 length direction extends along the perisporium of roll body 1, the inner wall of joint groove 9 sets up to the L form, locking piece 8 sliding connection is in the horizontal segment of joint groove 9, locking piece 8 also sets up to the arc and is laminated with joint groove 9 diapire, joint groove 9 is kept away from in the one end of spliced eye 7 for closed setting, joint piece 6 sliding connection is in the vertical segment of joint groove 9 at this moment, stationary blade 3 is laminated with roll body 1 perisporium.

The one end fixed connection joint piece 4 of arc piece 2 is kept away from to the stationary blade 3, joint piece 4 is laminated with roll body 1 peripheral wall, the stationary blade 3 is the ladder setting with joint piece 4, the thickness dimension of stationary blade 3 along roll body 1 radial direction is greater than the thickness dimension of joint piece 4 along roll body 1 radial direction promptly, roll body 1 tip cover is equipped with fixed cover 5, fixed cover 5 encloses two joint pieces 4, ensure that two arc pieces 2 laminate each other, roll body 1 is provided with the adjusting part that is used for fixed joint piece 6 and fixed cover 5.

Referring to fig. 4 and 5, the adjusting component includes threaded rod 10 and fixed block 11, roller 1 is provided with perforation 12 along its axis direction, perforation 12 roller 1's tip, threaded rod 10 sliding connection is in perforation 12, locking piece 8 is provided with regulation hole 13, perforation 12 and joint groove 9 intercommunication, when joint piece 19 rotates to joint groove 9 tip, regulation hole 13 and perforation 12 intercommunication this moment, threaded rod 10 passes perforation 12 back grafting in regulation hole 13, realize the locking effect to locking piece 8, and then realize the locking effect to arc piece 2 pivoted, under the joint effect of locking piece 8 and joint groove 9 and threaded rod 10 to joint piece 19 limiting action's combined action, ensure the fixed firm effect to two arcs pieces 2.

The roll body 1 is provided with the driving piece of drive bolt pole motion, the driving piece sets up to drive the ring 14, drive ring 14 and roll body 1 tip rotation are connected, drive ring 14 and threaded rod 10 threaded connection, drive ring 14 is towards two rotor blocks 17 of one end fixedly connected with of roll body 1, rotor block 17 sets up to the L form, roll body 1 is provided with rotation hole 18, the horizontal segment of rotor block 17 and drive ring 14 tip fixed connection, the vertical segment of rotor block 17 rotates in rotation hole 18, the motion of rotor block 17 towards keeping away from rotation hole 18 is restricted this moment, rotor block 17 rotates in rotation hole 18, realize the rotation effect of drive ring 14 and roll body 1.

Referring to fig. 4 and 5, the roller body 1 is provided with a limiting piece for limiting the rotation of the threaded rod 10 in the through hole 12, the limiting piece is provided with a limiting block 15, the limiting block 15 is fixedly connected with the inner wall of the through hole 12, the circumferential outer wall of the threaded rod 10 is provided with a limiting groove 16 along the axial direction of the limiting block, the limiting block 15 is slidably connected in the limiting groove 16, one end, close to the driving ring 14, of the limiting groove 16 is provided with an opening, the other end is provided with a closing arrangement, when the driving ring 14 drives the threaded rod 10 to move, the limiting block 15 slides in the limiting groove 16, the limiting block 15 is abutted against the inner wall of the limiting groove 16, the limiting effect on the rotation of the threaded rod 10 is achieved, and then the threaded rod 10 is driven to be inserted in the adjusting hole 13, and the locking effect on the rotation of the locking block 8 is achieved.

Referring to fig. 3 and 4, the fixed block 11 is fixedly connected with one end of the threaded rod 10 far away from the adjusting hole 13, a clamping piece is arranged between the fixed block 11 and the fixed sleeve 5, the clamping piece is arranged to be a clamping block 19 rotationally connected with the fixed block 11, one end of the fixed sleeve 5 far away from the clamping piece 4 is provided with a fixed groove 20, openings of the clamping block 19 and the fixed groove 20 are all rectangular, the fixed block 11 is arranged in the fixed groove 20 in a penetrating manner, the end face size of the fixed block 11 is equal to the size of the opening of the fixed groove 20, a bearing 21 is rotationally connected between the clamping block 19 and the fixed block 11, the clamping block 19 rotates around the bearing 21, the length size of the clamping block 19 is smaller than the length size of the fixed groove 20, the clamping block 19 penetrates out of the fixed groove 20, the length size of the clamping block 19 is larger than the width size of the fixed groove 20, the clamping block 19 is driven to rotate, and the rotating block 17 rotates to be at a position perpendicular to the length direction of the fixed groove 20, so that the extrusion clamping effect on the fixed sleeve 5 is achieved.

The fixed cover 5 is fixedly connected with the rubber circle 22 with the one end of stationary blade 3 tip butt, fixed cover 5 is provided with the standing groove 23 that sets up perpendicularly with fixed slot 20, standing groove 23 and the crossing point intercommunication setting of fixed slot 20, when rubber circle 22 and stationary blade 3 butt, continue to exert extrusion effort to fixed cover 5, when rubber circle 22 is by extrusion deformation, joint piece 19 wears out fixed slot 20 this moment, when joint piece 19 rotates at fixed cover 5 surface, under the elasticity effect of rubber circle 22 reconversion, joint piece 19 and fixed cover 5 terminal surface butt, and increase joint piece 19 and the frictional force of fixed cover 5, and when rotatory piece 17 rotates to the standing groove 23 position, under the elasticity effect of rubber circle 22, joint piece 19 moves to in the standing groove 23, the rotation of joint piece 19 is restricted this moment, further guarantee the tight fixed effect of clamp to fixed cover 5.

The implementation principle of the printing roller provided by the embodiment of the application is as follows: attaching the two arc pieces 2 to the outer wall of the roller body 1, inserting the inserting blocks 6 on the fixing blocks 11 into the inserting holes 7 at the moment, driving the two arc pieces 2 to rotate along the peripheral wall of the roller body 1 together, and communicating the through holes 12 with the adjusting holes 13 at the moment when the inserting blocks 6 drive the locking blocks 8 to rotate to the end parts in the clamping grooves 9; the driving ring 14 is controlled to rotate, the rotating block 17 rotates in the rotating hole 18, the driving ring 14 drives the threaded rod 10 to move, the rotation of the threaded rod 10 is limited under the limiting action of the limiting block 15 and the limiting groove 16, the threaded rod 10 is driven to be inserted into the adjusting hole 13, at the moment, the locking block 8 is locked, and the fixing and stabilizing effects of the two arc sheets 2 are further guaranteed;

when threaded rod 10 pegging graft in regulation hole 13, locate roller 1 tip with fixed cover 5 cover, fixed cover 5 cover two joint piece 4 and rubber circle 22 and stationary blade 3 tip butt, continue to extrude rubber circle 22, joint piece 19 wears out fixed slot 20, drive joint piece 19 rotates round bearing 21, joint piece 19 rotates to the position with fixed slot 20 vertically, under the elasticity effect of rubber circle 22, joint piece 19 moves to in standing groove 23, realize the restriction effect to joint piece 19 pivoted, further guarantee the fixed firm effect to fixed cover 5, sealing effect between fixed cover 5 and the joint piece 4 also can be guaranteed simultaneously.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a printing roller, includes roll body (1) and cover locate outer roller outside roll body (1), outer roller comprises two semi-annular arc piece (2), its characterized in that: fixing pieces (3) are fixedly connected to two ends of the arc piece (2), and locking pieces used for limiting the arc piece (2) to move along the length direction of the roller body (1) are arranged between the fixing pieces (3) and the roller body (1); one end of the fixing piece (3) far away from the arc piece (2) is fixedly connected with a clamping piece (4), the fixing piece (3) and the clamping piece (4) are arranged in a step mode, a fixing sleeve (5) for ensuring the enclosure of the two clamping pieces (4) is covered at the end portion of the roller body (1), and the roller body (1) is provided with an adjusting assembly for fixing the locking piece and the fixing sleeve (5); the locking piece is arranged as an inserting block (6), an inserting hole (7) is formed in the peripheral wall of the roller body (1), the fixing piece (3) is fixedly connected with the inserting block (6), and the inserting block (6) is inserted into the inserting hole (7); the novel high-strength roller is characterized in that a locking block (8) is fixedly connected to the bottom end of the plug block (6), the locking block (8) is perpendicular to the plug block (6), the locking block (8) and the plug block (6) are L-shaped, a clamping groove (9) is formed in the side wall of the plug hole (7) of the roller body (1), the clamping groove (9) is L-shaped, the locking block (8) is slidably connected to the horizontal section of the clamping groove (9), and the plug block (6) is slidably connected to the vertical section of the clamping groove (9); the adjusting assembly comprises a threaded rod (10) and a fixed block (11), wherein the roller body (1) is provided with a through hole (12) along the axial direction of the roller body, the threaded rod (10) is slidably connected in the through hole (12), the locking block (8) is provided with an adjusting hole (13), the through hole (12) is communicated with the clamping groove (9), the threaded rod (10) is inserted into the adjusting hole (13), the roller body (1) is provided with a driving piece for driving the threaded rod (10) to move, and a clamping piece is arranged between the fixed block (11) and the fixed sleeve (5); the driving piece is arranged as a driving ring (14), the driving ring (14) is rotationally connected with the roller body (1), the driving ring (14) is in threaded connection with the threaded rod (10), and the roller body (1) is provided with a limiting piece for limiting the rotation of the threaded rod (10); the limiting piece is arranged to be a limiting block (15), the limiting block (15) is fixedly connected with the inner wall of the through hole (12), a limiting groove (16) is formed in the circumferential outer wall of the threaded rod (10) along the axial direction of the threaded rod, the limiting block (15) is slidably connected in the limiting groove (16), one end, close to the driving ring (14), of the limiting groove (16) is provided with an opening, and the other end is provided with a closing; the novel roller is characterized in that the driving ring (14) is fixedly connected with two rotating blocks (17), the roller body (1) is provided with a rotating hole (18), the cross section of the inner wall of the rotating hole (18) is in a T shape, the rotating blocks (17) are in an L shape, the horizontal section of the rotating blocks (17) is fixedly connected with the end part of the driving ring (14), and the vertical section of the rotating blocks (17) is rotationally connected in a part with a large opening of the rotating hole (18).

2. A printing roll according to claim 1, wherein: the clamping piece is arranged to be in rotary connection with the fixing block (11), the fixing sleeve (5) is far away from one end of the clamping piece (4) and is provided with a fixing groove (20), the fixing block (11) is arranged in the fixing groove (20) in a penetrating mode, the clamping block (19) penetrates out of the fixing groove (20) and then rotates to a position perpendicular to the length direction of the fixing groove (20), and the clamping block (19) is in butt joint with the outer wall of the fixing sleeve (5) and is in butt joint with the side wall of the arc piece (2).

3. A printing roll according to claim 2, wherein: and a bearing (21) is rotationally connected between the clamping block (19) and the fixed block (11).

4. A printing roll according to claim 3, wherein: the fixing sleeve (5) is fixedly connected with a rubber ring (22) at one end, which is abutted to the fixing piece (3), of the fixing sleeve, the fixing sleeve (5) is provided with a placing groove (23) which is perpendicular to the fixing groove (20), and the placing groove (23) is communicated with an intersecting point of the fixing groove (20).