CN215041354U

CN215041354U - Rubber cloth tensioning device of blanket cylinder of printing machine

Info

Publication number: CN215041354U
Application number: CN202120245281.2U
Authority: CN
Inventors: 郑新华
Original assignee: Zhengzhou Xinlong Printing Co ltd
Current assignee: Zhengzhou Xinlong Printing Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-12-07
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a blanket straining device of blanket cylinder of printing machine, the rotary drum comprises a rotary drum, the pivot has been run through to the inside of cylinder, and the surperficial left and right sides of cylinder all installs the lantern ring, be provided with the draw-in groove in the middle of the surface of cylinder, the inside of the lantern ring is provided with the spout, and the internally mounted of spout has the connecting axle, the surface mounting of connecting axle smooths the board, and smooths the surface of board and be provided with the pappus tentacle hand, the screw rod is all installed at both ends about the lantern ring. The utility model provides a rubber cloth straining device of blanket cylinder of printing machine, the lantern ring is located the both sides of cylinder, and the size is mutually supported between the cylinder to the lantern ring divides two down to be a set of, so the convenience is dismantled the lantern ring, hugs closely the surface of cylinder with upper and lower two sets of lantern rings, and merges together, then utilizes the screw thread relation between screw rod and the nut, fastens the screw rod, thereby compresses tightly the both ends of the lantern ring.

Description

Rubber cloth tensioning device of blanket cylinder of printing machine

Technical Field

The utility model relates to a printing machine technical field specifically is a blanket straining device of blanket cylinder of printing machine.

Background

With the economic development of China, the industrial mechanization technology is continuously improved, the printing machine is more widely used, and nowadays, the printing machine plays a vital role in printing in many aspects and is not limited to a single printing category any more, wherein the most important part of the printing machine parts is a rubber cylinder, ink can be transferred on a printing stock through the rubber cylinder, and therefore, the rubber cylinder is very important for the printing machine. The tensioning device on the existing blanket cylinder is easy to strain and damage a blanket in the using process and does not have a protection mechanism, so that the normal use of the blanket is caused, and the working efficiency of the blanket cylinder is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blanket straining device of blanket cylinder of printing machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rubber cloth tensioning device of a rubber cylinder of a printing machine comprises a cylinder, a rotating shaft penetrates through the inside of the cylinder, the left side and the right side of the surface of the roller are both provided with lantern rings, the middle of the surface of the roller is provided with a clamping groove, the interior of the lantern ring is provided with a sliding chute, a connecting shaft is arranged in the sliding groove, a smoothing plate is arranged on the surface of the connecting shaft, a soft hair tentacle is arranged on the surface of the smoothing plate, screw rods are arranged at the left end and the right end of the lantern ring, the surface of the screw rod is sleeved with a nut, the inner wall of the lantern ring is bonded with a sponge layer, the surface of the sponge layer is provided with an air bag ball, the inner side of the lantern ring is provided with a clamping plate, a movable shaft is arranged in the middle of the clamping plate, a sanding sheet is arranged on the surface of the clamping plate, a containing groove is arranged at the rear side of the clamping plate, and the rear side of the accommodating groove is provided with an installation groove, and a hydraulic pull rod is arranged between the accommodating groove and the installation groove in a penetrating manner.

Preferably, the collars are symmetrical about a vertical center line of the drum, and two sets of collars are provided for each two sets.

Preferably, the screw rod vertically penetrates through the left side and the right side of the lantern ring, and the screw rod and the nut are in threaded connection.

Preferably, the stroking plate and the connecting shaft are mutually matched to form a rotating structure, and the connecting shaft and the sliding groove are in sliding relation.

Preferably, the size is mutually supported between dull and stereotyped and the draw-in groove, and the soft hair tentacle evenly sets up along dull and stereotyped surface.

Preferably, the surface of the sponge layer is tightly attached to the inner side surface of the lantern ring, and the air bag balls are uniformly arranged along the surface of the sponge layer.

Preferably, a rotating structure is formed between the clamping plate and the movable shaft, and the abrasive sheets are uniformly distributed on the surface of the clamping plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a rubber cloth tensioning device of blanket cylinder of printing machine, the lantern ring is located the both sides of cylinder, with the cylinder between the size mutually support, and the lantern ring divides two from top to bottom to be a set of, so the convenience is dismantled the lantern ring, hug closely the surface of cylinder with upper and lower two sets of lantern rings, and merge together, then utilize the screw thread relation between screw rod and the nut, come to fasten the screw rod, thereby compress tightly the both ends of the lantern ring, go up two sets of lantern rings and merge together, then, remove the lantern ring, move the lantern ring from the centre of cylinder to both ends, thereby draw the fold of flat rubber cloth, then fasten the screw rod;

when the lantern ring is fixed, the sliding relation between the connecting shaft and the sliding groove is utilized, the lantern ring rotates along the surface of the sliding groove, the smoothing plate can be tightly attached to the inner side surface of the rubber blanket to be smoothed until the smoothing plate rotates to the position of the clamping groove, the angle of the smoothing plate is adjusted, the smoothing plate is horizontally clamped into the clamping groove, the smoothing plate cannot influence the normal use of the rubber blanket, when the smoothing plate smoothes the rubber blanket, the soft hair tentacle can play a friction protection role on the rubber blanket, and the surface damage of the rubber blanket in the smoothing process is avoided;

when the contact friction takes place for the blanket on the lantern ring and the cylinder, the sponge layer can be protected the blanket, avoid pulling the blanket, the gasbag ball can utilize self elasticity, make the contact between the lantern ring and the cylinder have elasticity, the blanket of better protection cylinder, come splint toward accomodating the inslot pulling through the hydraulic pressure pull rod, splint cooperation loose axle takes place folding rotation, at folding in-process, can carry out the centre gripping to the both ends of blanket, accomplish folding and pull into and accomodate the groove until splint, it is taut to utilize splint to carry out the centre gripping to the both ends of blanket like this.

Drawings

FIG. 1 is a view of the structure of the present invention;

FIG. 2 is a side view of the middle ring of the present invention;

FIG. 3 is a structural view of a middle sponge layer of the present invention;

fig. 4 is a side internal sectional structure view of the middle sleeve ring of the present invention.

In the figure: 1. a drum; 2. a rotating shaft; 3. a collar; 4. a card slot; 5. a connecting shaft; 6. a chute; 7. flattening the plate; 8. the soft hair touches the hand; 9. a screw; 10. a nut; 11. a sponge layer; 12. an air bag ball; 13. mounting grooves; 14. a receiving groove; 15. a hydraulic pull rod; 16. a splint; 17. a movable shaft; 18. and (5) grinding a sand sheet.

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. 1-4, the present invention provides a technical solution: a rubber cloth tensioning device of a rubber cylinder of a printing machine comprises a cylinder 1, a rotating shaft 2 penetrates through the cylinder 1, lantern rings 3 are installed on the left side and the right side of the surface of the cylinder 1, a clamping groove 4 is arranged in the middle of the surface of the cylinder 1, a sliding groove 6 is arranged inside the lantern ring 3, a connecting shaft 5 is installed inside the sliding groove 6, a smoothing plate 7 is installed on the surface of the connecting shaft 5, a fur tentacle 8 is arranged on the surface of the smoothing plate 7, screw rods 9 are installed at the left end and the right end of the lantern ring 3, a nut 10 is sleeved on the surface of each screw rod 9, a sponge layer 11 is bonded on the inner wall of the lantern ring 3, an air bag ball 12 is arranged on the surface of each sponge layer 11, a clamping plate 16 is installed on the inner side of the lantern ring 3, a movable shaft 17 is arranged in the middle of the clamping plate 16, a grinding piece 18 is arranged on the surface of the clamping plate 16, an accommodating groove 14 is arranged on the rear side of the clamping plate 16, and an installing groove 13 is arranged on the rear side of the accommodating groove 14, a hydraulic pull rod 15 is arranged between the accommodating groove 14 and the mounting groove 13 in a penetrating way.

The utility model discloses in: the lantern rings 3 are symmetrical about the vertical center line of the roller 1, and two lantern rings 3 are arranged in two groups; the lantern ring 3 is located the both sides of cylinder 1, mutually supports with the size between the cylinder 1 to lantern ring 3 is divided two from top to bottom and is a set of, so conveniently dismantles lantern ring 3.

The utility model discloses in: the screw rods 9 vertically penetrate through the left side and the right side of the lantern ring 3, and the screw rods 9 and the nuts 10 are in threaded connection; the upper and lower sets of collars 3 are tightly attached to the surface of the cylinder 1 and are combined together, and then the screw 9 is fastened by using the thread relationship between the screw 9 and the nut 10, so that both ends of the collars 3 are pressed, the upper set of collars 3 are combined together, then the collars 3 are moved, the collars 3 are moved from the middle of the cylinder 1 to both ends, so that the wrinkles of the blanket are leveled, and then the screw 9 is fastened.

The utility model discloses in: the smoothing plate 7 and the connecting shaft 5 are matched with each other to form a rotating structure, and the connecting shaft 5 and the sliding groove 6 are in sliding relation; after lantern ring 3 is fixed, utilize the slip relation between connecting axle 5 and the spout 6, rotate along the surface of spout 6, at this moment smooth dull and stereotyped 7 and can hug closely the medial surface of blanket and smooth, until will smooth dull and stereotyped 7 and rotate to the position of draw-in groove 4, adjust the angle of smoothing dull and stereotyped 7, let smooth 7 horizontal card go into in draw-in groove 4, so smooth dull and stereotyped 7 and can not influence the normal use of blanket.

The utility model discloses in: the size of the smoothing plate 7 is matched with that of the clamping groove 4, and the soft hair tentacles 8 are uniformly arranged along the surface of the smoothing plate 7; when the plate 7 is pacified the blanket, the soft hair tentacle 8 can play the effect of friction protection to the blanket, avoids causing blanket surface damage at the in-process of pacifying.

The utility model discloses in: the surface of the sponge layer 11 is tightly attached to the inner side surface of the lantern ring 3, and the air bag balls 12 are uniformly arranged along the surface of the sponge layer 11; when the contact friction takes place for the rubber cloth on lantern ring 3 and the cylinder 1, sponge layer 11 can protect the rubber cloth, avoids pulling the rubber cloth, and gasbag ball 12 can utilize self elasticity, makes the contact between the lantern ring 3 and the cylinder 1 have elasticity, better protection cylinder 1's rubber cloth.

The utility model discloses in: a rotating structure is formed between the clamping plate 16 and the movable shaft 17, and the abrasive sheets 18 are uniformly distributed on the surface of the clamping plate 16; pulling clamp plate 16 toward accomodating in the groove 14 through hydraulic pressure pull rod 15, folding rotation takes place for clamp plate 16 cooperation loose axle 17, at folding in-process, can carry out the centre gripping to the both ends of blanket, until clamp plate 16 accomplishes folding and draws in and accomodate groove 14, utilizes clamp plate 16 to come to carry out the centre gripping taut to the both ends of blanket like this.

The working principle is as follows: the upper and lower two sets of lantern rings 3 are tightly attached to the surface of the roller 1 and combined together, then the screw rod 9 is fastened by utilizing the thread relationship between the screw rod 9 and the nut 10, so that the two ends of the lantern rings 3 are compressed, the upper two sets of lantern rings 3 are combined together, then the clamping plate 16 is pulled into the accommodating groove 14 through the hydraulic pull rod 15, the clamping plate 16 is matched with the movable shaft 17 to be folded and rotated, in the folding process, the two ends of the rubber blanket can be clamped until the clamping plate 16 is folded and pulled into the accommodating groove 14, then the lantern rings 3 are moved, the lantern rings 3 are moved from the middle to the two ends of the roller 1, so that the folds of the rubber blanket are flattened, after the lantern rings 3 are fixed by utilizing the screw rod 9, the sliding relationship between the connecting shaft 5 and the sliding groove 6 is utilized, the inner side faces of the rubber blanket are rotated along the surface of the sliding groove 6, at the flattening plate 7 can be flattened until the flattening plate 7 is rotated to the position of the clamping groove 4, the angle of the smoothing plate 7 is adjusted, and the smoothing plate 7 is horizontally clamped into the clamping groove 4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A blanket tensioning device for a blanket cylinder of a printing press, comprising a cylinder (1), characterized in that: the novel roller is characterized in that a rotating shaft (2) penetrates through the inside of the roller (1), lantern rings (3) are installed on the left side and the right side of the surface of the roller (1), a clamping groove (4) is formed in the middle of the surface of the roller (1), sliding grooves (6) are formed in the inside of the lantern rings (3), connecting shafts (5) are installed inside the sliding grooves (6), a stroking plate (7) is installed on the surface of each connecting shaft (5), a velvety tentacle (8) is arranged on the surface of the stroking plate (7), screw rods (9) are installed at the left end and the right end of each lantern ring (3), nuts (10) are sleeved on the surfaces of the screw rods (9), a sponge layer (11) is bonded on the inner wall of the lantern ring (3), air bag balls (12) are arranged on the surface of the sponge layer (11), clamping plates (16) are installed on the inner sides of the lantern rings (3), and a movable shaft (17) is arranged in the middle of the clamping plates (16), the surface of the clamping plate (16) is provided with a sanding sheet (18), the rear side of the clamping plate (16) is provided with a containing groove (14), the rear side of the containing groove (14) is provided with a mounting groove (13), and a hydraulic pull rod (15) penetrates between the containing groove (14) and the mounting groove (13).

2. A blanket tensioning device for a blanket cylinder of a printing press as defined in claim 1, wherein: the lantern rings (3) are symmetrical about the vertical center line of the roller (1), and two lantern rings (3) are arranged in a group of two.

3. A blanket tensioning device for a blanket cylinder of a printing press as defined in claim 1, wherein: the screw rod (9) vertically penetrates through the left side and the right side of the lantern ring (3), and the screw rod (9) and the nut (10) are in threaded connection.

4. A blanket tensioning device for a blanket cylinder of a printing press as defined in claim 1, wherein: the stroking plate (7) and the connecting shaft (5) are mutually matched to form a rotating structure, and the connecting shaft (5) and the sliding groove (6) are in sliding relation.

5. A blanket tensioning device for a blanket cylinder of a printing press as defined in claim 1, wherein: the size of the comforting plate (7) is matched with that of the clamping groove (4), and the soft hair tentacles (8) are uniformly arranged along the surface of the comforting plate (7).

6. A blanket tensioning device for a blanket cylinder of a printing press as defined in claim 1, wherein: the surface of the sponge layer (11) is tightly attached to the inner side surface of the lantern ring (3), and the air bag balls (12) are uniformly arranged along the surface of the sponge layer (11).

7. A blanket tensioning device for a blanket cylinder of a printing press as defined in claim 1, wherein: a rotating structure is formed between the clamping plate (16) and the movable shaft (17), and the abrasive sheets (18) are uniformly distributed on the surface of the clamping plate (16).