CN210940897U

CN210940897U - Printing roll mechanism for flexography

Info

Publication number: CN210940897U
Application number: CN201921374874.8U
Authority: CN
Inventors: 王浩
Original assignee: Guangdong Xinghan Industry Co ltd
Current assignee: Guangdong Xinghan Industry Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-07-07
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a printing roll mechanism for flexographic printing, which comprises a printing roll frame, a gripping device, a first base, a second base, a circular turntable, a transverse rotating shaft, a top frame, a supporting device and a printing roll mechanism for flexographic printing, wherein when the transverse rotating shaft drives a plate cylinder to rotate, a control seat controls the supporting device to work, a second sensor senses the plate cylinder and feeds a signal back to the control seat to enable a third cylinder to push a second electric clamping jaw downwards, the second electric clamping jaw opens a jaw near the outer surface of the plate cylinder and then closes the jaw to clamp the plate cylinder, the second electric clamping jaw provides supporting force for the plate cylinder to offset a part of radial force applied to the plate cylinder, when the plate cylinder rotates to the horizontal direction, the control seat controls the electric clamping jaw to release the jaw, a hydraulic cylinder pushes the plate cylinder out of the plate cylinder to enable the plate cylinder to be inserted into a flexographic printing machine to complete automatic replacement of the plate cylinder, and the plate cylinder is prevented from being bent or damaged by overlarge radial force applied to the plate cylinder, the printing and rolling mechanism for the flexographic printing is more durable, and has the advantages of long service life, convenient use and high efficiency.

Description

Printing roll mechanism for flexography

Technical Field

The utility model particularly relates to a flexible printing is with seal roll mechanism.

Background

In recent years, with the continuous development of printing equipment manufacturing, the flexographic printing technology is widely applied, the flexographic printing technology is also used in the manufacturing of registration plates, the performances of a flexographic printing machine and water-based ink are remarkably improved, the quality of a flexographic printing product reaches or approaches to the technology of offset printing or gravure, but the replacement of most of the plate cylinders of the existing flexographic printing machine needs manual replacement, and a small part of the plate cylinders of the flexographic printing machine are provided with an automatic plate cylinder replacing device which can realize the automatic replacement of the plate cylinders, but the radial force action of the plate cylinders is not considered in the process of replacing the plate cylinders by the automatic plate cylinder replacing device, so that the service life of the automatic plate cylinder replacing device is short.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a flexible printing roll mechanism with long service life, convenient use and high efficiency.

In order to solve the technical problem, the technical scheme of the utility model is that: a printing roll mechanism for flexographic printing comprises a printing roll frame, a grabbing device arranged below the printing roll frame, a first base arranged below the grabbing device in a hollow mode, a second base arranged on one side of the first base in a hollow mode, a circular rotary table arranged above the second base, a transverse rotary shaft arranged between the first base and the second base in a hollow mode, a top frame arranged above the printing roll frame, and a supporting device arranged on one side of the upper portion of the printing roll frame and used for providing supporting force, wherein the supporting device comprises a third air cylinder, a fixing piece arranged on the outer side of the third air cylinder, a connecting block arranged below the third air cylinder, and a second electric clamping jaw arranged below the connecting block; the second electric clamping jaw comprises a clamping jaw body, a first connecting piece arranged on one side of the clamping jaw body, a second connecting piece arranged at the lower end of the first connecting piece, a third connecting piece arranged at the lower end of the second connecting piece, a first clamping strip arranged on one side of the second connecting piece, a second clamping strip arranged at the lower end of the first clamping strip, a second sensor arranged at the bottom end of the second clamping strip, a top frame and a printing and rolling frame are welded, the first connecting piece and the first clamping strip are respectively hinged with the clamping jaw body, the first connecting piece is hinged with the second connecting piece, the second connecting piece is hinged with the third connecting piece, the third connecting piece is hinged with the second clamping strip, the first connecting piece, the second connecting piece, the third connecting piece, the first clamping strip and the second clamping strip are respectively provided with two groups, and the two groups of the first connecting pieces, The second connecting piece, the third connecting piece, the first holding strip and the second holding strip are all arranged in a linear symmetry manner.

Preferably, the roll printing frame comprises a first side plate arranged above the first base, a second side plate arranged above the second base, and a top plate arranged at the top ends of the first side plate and the second side plate, wherein the first side plate is welded with the first base, the second side plate is welded with the second base, and the top plate is welded with the first side plate and the second side plate.

Preferably, a control seat is arranged in the middle of one side of the first side plate, a first fixing block is further arranged at the top of the other side of the first side plate, the control seat is in threaded connection with the first side plate, and the first fixing block is in welded connection with the first side plate.

Preferably, a second fixed block is arranged on one side of the second side plate, a first air cylinder located on one side of the second fixed block is further arranged on the second side plate, a sliding rod located on one side of the first air cylinder is further arranged on the second side plate, the second fixed block is connected with the second side plate in a welded mode, the first air cylinder is transversely arranged and in threaded connection with the second fixed block, and the sliding rod is directly connected with the first air cylinder.

Preferably, the gripping device comprises a vertically arranged second air cylinder, a first pneumatic clamping jaw arranged below the second air cylinder, and a first inductor arranged below the first pneumatic clamping jaw, the gripping device is connected with the sliding rod in a sliding manner, and the first inductor is fixedly connected with the first pneumatic clamping jaw.

Preferably, a first fixing seat is arranged on the bottom surface of the inner side of the first base, a first motor located above the first fixing seat is further arranged on the first base, the first fixing seat is connected with the first base in a welded mode, and the first motor is connected with the first fixing seat in a threaded mode.

Preferably, a third fixing seat is arranged on the bottom surface of the inner side of the second base, a second motor located above the third fixing seat is further arranged on the second base, a rotating shaft located at one end of the second motor is further arranged on the second base, the third fixing seat is welded to the second base, the second motor is connected with the third fixing seat in a threaded mode, and the rotating shaft is directly connected with a spindle of the second motor.

As preferred, set up the second version section of thick bamboo groove that is four cyclic annular arrangements on the circular carousel, the circular carousel still is provided with four groups that are the cyclic annular arrangement that are located second version section of thick bamboo groove top and keeps off the ring supporting legs, the circular carousel still is provided with and is located the fender ring that keeps off ring supporting foot top, be used for preventing that a version section of thick bamboo from dropping, the circular carousel still is provided with and is located the inboard version section of thick bamboo of fender ring, a version section of thick bamboo is in including the version section of thick bamboo body that is cylindric setting, sets up version section of thick bamboo axle in the middle of the version section of thick bamboo body sets up the rectangle recess at version section of thick bamboo axle both ends, keep off ring supporting legs and circular carousel welded connection, keep.

As preferred, the horizontal pivot top is provided with the rectangular block, the horizontal pivot still is provided with the second fixing base that is located the horizontal pivot inboard and is located the rectangular block below, the horizontal pivot still is provided with the pneumatic cylinder that is located between rectangular block and the second fixing base, the horizontal pivot still is provided with the bearing that is located pneumatic cylinder one side, first version section of thick bamboo groove has been seted up on the rectangular block, the horizontal pivot still is provided with the electronic clamping jaw that is located first version section of thick bamboo inslot side, second fixing base and horizontal pivot welded connection, pneumatic cylinder and second fixing base threaded connection.

Preferably, the top frame comprises a top frame body and four groups of supporting legs arranged below the top frame body, and the supporting legs are connected with the top frame body in a welding mode.

The utility model discloses technical effect mainly embodies: when the transverse rotating shaft drives the plate cylinder to rotate, the control seat controls the supporting device arranged on the front side of the top frame body in the top frame to work, the second sensor arranged at the bottom end of the second clamping strip in the supporting device senses the plate cylinder and feeds a signal back to the control seat, the control seat controls the third air cylinder to work, the third air cylinder pushes the second electric clamping jaw downwards, meanwhile, the second electric clamping jaw opens a jaw near the outer surface of the plate cylinder, namely, a first connecting piece arranged on one side of the clamping jaw body moves outwards to drive the second connecting piece to be hinged, so as to drive the third connecting piece hinged with the second connecting piece, the second clamping strip hinged with the third connecting piece moves outwards, so as to drive a first clamping strip arranged on one side of the second connecting piece to move outwards, and the second electric clamping jaw clamps clamp the plate cylinder, namely, the first connecting piece arranged on one side of the clamping jaw body moves towards the inner side to drive the second connecting piece to be hinged, so as to drive the third connecting piece hinged with the second connecting piece, the two clamping strips hinged with the third connecting piece move towards the inner side, so as to drive the first clamping strip arranged on one side of the second connecting piece to move towards the inner side, the second electric clamping jaw supports the plate cylinder to enable the plate cylinder to have supporting force in the process of driving the transverse rotating shaft and offset a part of radial force received by the plate cylinder, when the plate cylinder rotates to the horizontal direction, the control seat controls the electric clamping jaw to loosen the jaw, then the hydraulic cylinder arranged between the rectangular block and the second fixed seat is controlled by the control seat to work, the hydraulic cylinder pushes out the plate cylinder in the first plate cylinder groove and inserts into the flexographic printing machine, so as to complete automatic replacement of the plate cylinder and avoid overlarge radial force received by the plate cylinder, the printing roller is bent or the rectangular block is damaged, so that the printing roller mechanism for the flexography is more durable, and the printing roller mechanism has the advantages of long service life, convenience in use and high efficiency.

Drawings

FIG. 1 is a front view of a printing roll mechanism for flexographic printing according to the present invention;

FIG. 2 is a block diagram of FIG. 1;

FIG. 3 is an enlarged view of the transverse axis of rotation of FIG. 1;

FIG. 4 is an enlarged view of the gripper and plate cylinder of FIG. 1;

FIG. 5 is an enlarged view of the back-up device of FIG. 1;

FIG. 6 is a block diagram of the control pad of FIG. 1 with a first motor, a second motor, a first cylinder, a second cylinder, a first sensor, a second sensor, and a hydraulic cylinder;

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.

A printing roll mechanism for flexographic printing comprises a printing roll frame 1, a gripping device 2 arranged below the printing roll frame 1, a hollow first base 3 arranged below the gripping device 2, a hollow second base 4 arranged at one side of the first base 3, a circular rotary table 5 arranged above the second base 4, a hollow transverse rotary shaft 6 arranged between the first base 3 and the second base 4, a top frame 7 arranged above the printing roll frame 1, and a support device 8 arranged at one side of the upper part of the printing roll frame 1 and used for providing supporting force, the supporting device 8 comprises a third air cylinder 81, a fixing part 82 arranged outside the third air cylinder 81, a connecting block 83 arranged below the third air cylinder 81, and a second electric clamping jaw 84 arranged below the connecting block 83; the second electric clamping jaw 84 comprises a clamping jaw body 841, a first connecting piece 842 arranged on one side of the clamping jaw body 841, a second connecting piece 843 arranged at the lower end of the first connecting piece 842, a third connecting piece 844 arranged at the lower end of the second connecting piece 843, a first clamping strip 845 arranged on one side of the second connecting piece 843, a second clamping strip 846 arranged at the lower end of the first clamping strip 845, a second inductor 247 arranged at the bottom end of the second clamping strip 846, the top frame 7 is welded with the printing and rolling frame 1, the first connecting piece 842 and the first clamping strip 845 are respectively hinged with the clamping jaw body 841, the first connecting piece 842 is hinged with the second connecting piece 843, the second connecting piece 843 is hinged with the third connecting piece 844, the third connecting piece 844 is hinged with the second clamping strip 246, and the first connecting piece 842, the second connecting piece 843, the third connecting piece 844 and the second clamping strip 246 are hinged, The first clamping bars 845 and the second clamping bars 846 are respectively provided with two groups, the two groups of first connecting pieces 842, the second connecting pieces 843, the third connecting pieces 844, the first clamping bars 845 and the second clamping bars 846 are respectively arranged in a linear symmetry manner, the grabbing device 2 is arranged on the sliding rod 123, when the transverse rotating shaft 6 drives the plate cylinder 54 to rotate, the control seat 111 controls the supporting device 8 arranged on the front side of the top frame body 71 in the top frame 7 to work, the second sensor 247 arranged at the bottom end of the second clamping bars 846 in the supporting device 8 senses the plate cylinder 54 and feeds a signal back to the control seat 111, the control seat 111 controls the third air cylinder 81 to work, the third air cylinder 81 pushes the second electric clamping jaw 84 downwards, meanwhile, the second electric clamping jaw 84 stretches a jaw near the outer surface of the plate cylinder 54, namely, the first connecting piece 842 arranged on one side of the clamping jaw body 841 moves outwards to drive the second connecting piece 843 to be hinged, thereby driving the third connecting member 844 hinged to the second connecting member 843, moving the two clamping bars 246 hinged to the third connecting member 844 to the outside, thereby driving the first clamping bar 845 disposed on one side of the second connecting member 843 to the outside, the second electric clamping jaw 84 clamping the plate cylinder 54 by clamping the claws, i.e., moving the first connecting member 842 disposed on one side of the clamping jaw body 841 to the inside, driving the second connecting member 843 to be hinged, thereby driving the third connecting member 844 hinged to the second connecting member 843, moving the two clamping bars 246 hinged to the third connecting member 844 to the inside, thereby driving the first clamping bar 845 disposed on one side of the second connecting member 843 to the inside, the second electric clamping jaw 84 supporting the plate cylinder 54 to enable the plate cylinder 54 to have a supporting force in the driving process of the transverse rotating shaft 6, and thus offsetting a part of the radial force applied to the plate cylinder 54, when version section of thick bamboo 54 changes the horizontal direction, electronic clamping jaw 612 pine claw of control seat 111 control, then, set up through control seat 111 control pneumatic cylinder 63 work between rectangular block 61 and the second fixing base 62, pneumatic cylinder 63 is ejecting with the version section of thick bamboo 54 in the first version section of thick bamboo groove 611, insert in the flexographic printing machine, can accomplish the automatic change of a version section of thick bamboo, it is too big to avoid the radial force that a version section of thick bamboo 54 received, lead to a version section of thick bamboo 54 to take place to buckle or damage rectangular block 61, make the printing roll mechanism for flexographic printing more durable, long service life has, high durability and convenient use, efficient advantage.

The roll printing frame 1 comprises a first side plate 11 arranged above the first base 3, a second side plate 12 arranged above the second base 4, and a top plate 13 arranged at the top ends of the first side plate 11 and the second side plate 12, wherein the first side plate 11 is welded with the first base 3, the second side plate 12 is welded with the second base 4, and the top plate 13 is welded with the first side plate 11 and the second side plate 12.

A control seat 111 is arranged in the middle of one side of the first side plate 11, a first fixing block 112 is further arranged at the top of the other side of the first side plate 11, the control seat 111 is in threaded connection with the first side plate 11, and the first fixing block 112 is in welded connection with the first side plate 11.

Second curb plate 12 one side is provided with second fixed block 121, second curb plate 12 still is provided with the first cylinder 122 that is located second fixed block 121 one side, second curb plate 12 still is provided with the slide bar 123 that is located first cylinder 122 one side, second fixed block 121 and second curb plate 12 welded connection, first cylinder 122 transversely sets up and with second fixed block 121 threaded connection, slide bar 123 and first cylinder 122 lug connection, the model of first cylinder 122 is SC160, the other end setting of slide bar 123 is on first fixed block 112.

The gripping device 2 comprises a vertically arranged second air cylinder 21, a first pneumatic clamping jaw 22 arranged below the second air cylinder 21, and a first inductor 23 arranged below the first pneumatic clamping jaw 22, the gripping device 2 is in sliding connection with a sliding rod 123, the first inductor 23 is fixedly connected with the first pneumatic clamping jaw 22, the type of the second air cylinder 21 is the same as that of the first air cylinder 122, and the types of the first inductor 23 and the second inductor 247 are ZBL-X.

The inboard bottom surface of first base 3 is provided with first fixing base 31, first base 3 still is provided with the first motor 32 that is located first fixing base 31 top, the model of first motor 32 is 130ST-M06025,

first fixing base

31 and 3 welded connection of first base,

first motor

32 and 31 threaded connection of first fixing base.

The inboard bottom surface of second base 4 is provided with third fixing base 41, second base 4 still is provided with the second motor 42 that is located third fixing base 41 top, second motor 42 is the same with first motor 32's model, second base 4 still is provided with the pivot 43 that is located second motor 42 one end, third fixing base 41 and second base 4 welded connection, second motor 42 and third fixing base 41 threaded connection, pivot 43 and second motor 42's main shaft lug connection, circular carousel 5 and pivot 43 fixed connection.

The circular rotary table 5 is provided with four second plate cylinder grooves 51 which are annularly arranged, the circular rotary table 5 is further provided with four groups of baffle ring supporting legs 52 which are annularly arranged and are positioned above the second plate cylinder grooves 51, the circular rotary table 5 is further provided with baffle rings 53 which are positioned at the top ends of the baffle ring supporting legs 52 and are used for preventing the plate cylinders from falling off, the circular rotary table 5 is further provided with plate cylinders 54 which are positioned at the inner sides of the baffle rings 53, each plate cylinder 54 comprises a plate cylinder body 541 which is cylindrically arranged, a plate cylinder shaft 542 which is arranged in the middle of the plate cylinder body 541, rectangular grooves 543 which are arranged at the two ends of the plate cylinder shaft 542, the baffle ring supporting legs 52 are welded with the circular rotary table 5, the baffle rings 53 are welded with the baffle ring supporting legs 52, each end of the plate cylinder shaft 542 is provided with two symmetrical rectangular grooves 543, so that the second motor 42 which is arranged above a third fixing seat 41 on the inner bottom surface of the second base 4 works, the second motor 42 drives the rotating shaft 43 arranged at one end of the second motor 42, the rotating shaft 43 drives the circular rotating disk 5 arranged above the rotating shaft 43, so that the plate cylinder 54 arranged above the circular rotating disk 5 is sent to the position below the gripping device 2 arranged on the sliding rod 123, the first sensor 23 arranged below the first pneumatic clamping jaw 22 in the gripping device 2 senses the plate cylinder 54 and feeds back a signal to the control seat 111 arranged at one side of the first side plate 11, the control seat 111 controls the second air cylinder 21 arranged vertically to work, so that the first pneumatic clamping jaw 22 arranged below the second air cylinder 21 moves downwards and opens the jaws to clamp the rectangular grooves 543 arranged at two ends of the plate cylinder shaft 542, the purpose of clamping the plate cylinder 54 arranged below the gripping device 2 is achieved, at the moment, the first air cylinder 122 arranged at one side of the second fixed block 121 works transversely, the first cylinder 122 drives the slide rod 123 arranged at one side of the first cylinder 122, the slide rod 123 drives the gripping device 2 with the plate cylinder 54 to move towards the hollow transverse rotating shaft 6 arranged at one side of the first motor 32 until the plate cylinder 54 carried by the gripping device 2 moves to the rectangular block 61 arranged at the transverse rotating shaft 6, the second cylinder 21 pushes the gripping device 2 downwards, when the plate cylinder 54 is down to a position close to the rectangular block 61, the gripping device 2 releases the first pneumatic clamping jaw 22, meanwhile, the electric clamping jaw 612 arranged at the inner side of the first plate cylinder groove 611 works to achieve the purpose of fixing the plate cylinder 54 in the first plate cylinder groove 611 in the transverse rotating shaft 6, the electric clamping jaw 612 clamps the rectangular groove 543 arranged at the lower end of the plate cylinder shaft 542 in the middle of the plate cylinder body 541, and when the electric clamping jaw 612 clamps the plate cylinder 54, the first motor 32 arranged above the first fixing seat 31 works, the traverse rotary shaft 6, which is engaged with a bearing 64 provided at one end of the traverse rotary shaft 6 and distant from the first motor 32, is rotated with the plate cylinder 54.

The utility model discloses a horizontal pivot 6, including horizontal pivot 6, pneumatic cylinder, second fixing base 62, horizontal pivot 6, pneumatic cylinder and second fixing base 62, horizontal pivot 6 is provided with still that it is inboard to be located horizontal pivot 6, and is located the second fixing base 62 of rectangular block 61 below, horizontal pivot 6 still is provided with the pneumatic cylinder 63 that is located between rectangular block 61 and the second fixing base 62, horizontal pivot 6 still is provided with the bearing 64 that is located pneumatic cylinder 63 one side, first version cylinder groove 611 has been seted up on the rectangular block 61, horizontal pivot 6 still is provided with the electronic clamping jaw 612 that is located first version cylinder groove 611 inboard, second fixing base 62 and horizontal pivot 6 welded connection, pneumatic cylinder 63 and second fixing base 62 threaded connection, the model of pneumatic cylinder 63 is SZ-Y-HG1-E80, electronic clamping jaw 612 is fixed at horizontal pivot 6.

The top frame 7 comprises a top frame body 71 and supporting legs 72 arranged below the top frame body 71, the supporting legs 72 are provided with four groups and are connected with the top frame body 71 in a welding mode, and the supporting device 8 is arranged on the front side of the top frame body 71.

As shown in fig. 6, the control base 111 is electrically connected to the first motor 32, the hydraulic cylinder 63, the second motor 42, the first cylinder 122, the second cylinder 21, the first sensor 23, and the second sensor 247, the control base 111 controls the second motor 42 to operate, the second motor 42 drives the rotating shaft 43 disposed at one end of the second motor 42, the rotating shaft 43 drives the circular rotating disc 5 disposed above the rotating shaft 43, so that the plate cylinder 54 disposed above the circular rotating disc 5 is fed below the gripping device 2 disposed on the sliding bar 123, the first sensor 23 disposed below the first pneumatic clamping jaw 22 in the gripping device 2 senses the plate cylinder 54 and feeds back a signal to the control base 111 disposed centrally on one side of the first side plate 11, the control base 111 controls the second cylinder 21 to operate, so that the first pneumatic clamping jaw 22 disposed below the second cylinder 21 moves downward and opens the jaws to clamp the grooves 543 disposed at two ends of the rectangular cylinder shaft 542, the purpose of clamping the plate cylinder 54 positioned below the gripping device 2 is achieved, at this time, the control base 111 controls the first air cylinder 122 transversely arranged on one side of the second fixed block 121 to work, the first air cylinder 122 drives the slide rod 123 arranged on one side of the first air cylinder 122, the slide rod 123 drives the gripping device 2 clamping the plate cylinder 54 to move towards the transverse rotating shaft 6 which is arranged on one side of the first motor 32 and is arranged in a hollow manner until the plate cylinder 54 carried by the gripping device 2 moves to the rectangular block 61 arranged on the transverse rotating shaft 6, the second air cylinder 21 pushes the gripping device 2 downwards, when the plate cylinder 54 is arranged at a position close to the rectangular block 61, the gripping device 2 releases the first pneumatic clamping jaw 22, meanwhile, the electric clamping jaw 612 arranged on the inner side of the first plate cylinder groove 611 works to achieve the purpose of fixing the plate cylinder 54 in the transverse rotating shaft 6, the electric clamping jaw 612 clamps the groove 543 arranged at the lower end of the rectangular plate cylinder shaft 542 in the middle of the plate cylinder body 541, after the electric clamping jaws 612 clamp the plate stabilizing cylinder 54, the control seat 111 controls the first motor 32 arranged above the first fixed seat 31 to operate, so that the transverse rotating shaft 6 matched with the bearing 64 arranged at one end of the transverse rotating shaft 6 and far away from the first motor 32 drives the plate cylinder 54 to rotate, at this time, the control seat 111 controls the supporting device 8 arranged at the front side of the top frame body 71 in the top frame 7 to operate, the second sensor 247 arranged at the bottom end of the second clamping strip 846 in the supporting device 8 senses the plate cylinder 54 and feeds a signal back to the control seat 111, the control seat 111 controls the third air cylinder 81 to operate, the third air cylinder 81 operates to push the second electric clamping jaw 84 downwards, and meanwhile, the second electric clamping jaw 84 drives the first connecting piece 842 arranged at one side of the clamping jaw body 841 to move outwards to drive the second connecting piece 843 to be hinged, so as to drive the third connecting piece 844 hinged with the second connecting piece 843, the two clamping bars 246 hinged with the third connecting piece 844 move outwards to drive the first clamping bar 845 arranged on one side of the second connecting piece 843 to move outwards, the second electric clamping jaw 84 clamps the plate cylinder 54 in a clamping way, namely, the first connecting piece 842 arranged on one side of the clamping jaw body 841 moves inwards to drive the second connecting piece 843 to be hinged, so as to drive the third connecting piece 844 hinged with the second connecting piece 843, and the two clamping bars 246 hinged with the third connecting piece 844 move inwards to drive the first clamping bar 845 arranged on one side of the second connecting piece 843 to move inwards, the second electric clamping jaw 84 clamps the plate cylinder 54 to enable the plate cylinder 54 to have supporting force in the process of driving the transverse rotating shaft 6, so as to reduce the radial force applied to the plate cylinder 54, when the plate cylinder 54 rotates to the horizontal direction, the control seat 111 controls the electric clamping jaw 612 to release the jaw, then, the hydraulic cylinder 63 arranged between the rectangular block 61 and the second fixed seat 62 is controlled to work through the control seat 111, the hydraulic cylinder 63 ejects the plate cylinder 54 in the first plate cylinder groove 611 out, the plate cylinder is inserted into the flexographic printing machine, automatic replacement of the plate cylinder can be completed, the phenomenon that the plate cylinder 54 is bent or the rectangular block 61 is damaged due to overlarge radial force applied to the plate cylinder 54 is avoided, and the printing and rolling mechanism for flexographic printing is more durable.

The working principle is as follows:

1. the printing mechanism for the flexographic printing is connected with a power supply, the control seat 111 controls the second motor 42 to work, the second motor 42 drives the rotating shaft 43 arranged at one end of the second motor 42, the rotating shaft 43 drives the circular turntable 5 arranged above the rotating shaft 43, so that the plate cylinder 54 arranged above the circular turntable 5 is sent to the lower part of the grabbing device 2 arranged on the sliding rod 123, the first sensor 23 arranged below the first pneumatic clamping jaw 22 in the grabbing device 2 senses the plate cylinder 54 and feeds back a signal to the control seat 111 centrally arranged on one side of the first side plate 11, and the control seat 111 controls the second air cylinder 21 vertically arranged to work, so that the first pneumatic clamping jaw 22 arranged below the second air cylinder 21 moves downwards and opens the jaws to clamp the rectangular grooves 543 arranged at two ends of the plate cylinder shaft 542, and the aim of clamping the plate cylinder 54 arranged below the grabbing device 2 is fulfilled;

2. at this time, the control seat 111 controls the first cylinder 122 transversely disposed on one side of the second fixed block 121 to work, the first cylinder 122 drives the slide rod 123 disposed on one side of the first cylinder 122, the slide rod 123 drives the gripper 2 holding the plate cylinder 54 to move toward the hollow transverse rotating shaft 6 disposed on one side of the first motor 32, until the plate cylinder 54 carried by the gripper 2 moves to the rectangular block 61 disposed on the transverse rotating shaft 6, the second cylinder 21 pushes the gripper 2 downward, and when the plate cylinder 54 comes down to a position close to the rectangular block 61, the gripper 2 releases the first pneumatic clamping jaw 22, and at the same time, the electric clamping jaw 612 disposed inside the first plate cylinder groove 611 works to achieve the purpose of fixing the plate cylinder 54 in the first plate cylinder groove 611 in the transverse rotating shaft 6, the electric clamping jaw 612 clamps the rectangular groove 543 disposed at the lower end of the plate cylinder shaft 542 in the middle of the plate cylinder body 541, after the electric clamping jaw 612 clamps the plate stabilizing cylinder 54, the control seat 111 controls the first motor 32 arranged above the first fixed seat 31 to work, so that the transverse rotating shaft 6 matched with the bearing 64 which is arranged at one end of the transverse rotating shaft 6 and is far away from the first motor 32 drives the plate stabilizing cylinder 54 to rotate;

3. when the transverse rotating shaft 6 drives the plate cylinder 54 to rotate, the control seat 111 controls the supporting device 8 arranged on the front side of the top frame body 71 in the top frame 7 to work, the second sensor 247 arranged at the bottom end of the second clamping strip 846 in the supporting device 8 senses the plate cylinder 54 and feeds a signal back to the control seat 111, the control seat 111 controls the third air cylinder 81 to work, the third air cylinder 81 pushes the second electric clamping jaw 84 downwards, meanwhile, the second electric clamping jaw 84 clamps a claw, the second electric clamping jaw 84 clamps the plate cylinder 54 in a combined claw mode, when the plate cylinder 54 rotates to the horizontal direction, the control seat 111 controls the electric clamping jaw 612 to release the claw, then, the control seat 111 controls the hydraulic cylinder 63 arranged between the rectangular block 61 and the second fixed seat 62 to work, and the hydraulic cylinder 63 ejects the plate cylinder 54 in the first plate cylinder groove 611 to be inserted into the flexographic printing machine, so that automatic plate cylinder replacement can be completed.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. The utility model provides a flexographic printing is with seal roll mechanism, includes the seal roll frame, sets up the grabbing device of seal roll frame below sets up grabbing device below and being the first base that cavity set up, sets up first base one side and be the second base that cavity set up, set up the circular carousel of second base top sets up between first base and the second base, be the horizontal pivot that cavity set up, set up the roof-rack of seal roll frame top, its characterized in that: the support device is arranged on one side of the upper part of the stamp roll rack and used for providing supporting force, and comprises a third air cylinder, a fixing piece arranged on the outer side of the third air cylinder, a connecting block arranged below the third air cylinder and a second electric clamping jaw arranged below the connecting block; the second electric clamping jaw comprises a clamping jaw body, a first connecting piece arranged on one side of the clamping jaw body, a second connecting piece arranged at the lower end of the first connecting piece, a third connecting piece arranged at the lower end of the second connecting piece, a first clamping strip arranged on one side of the second connecting piece, a second clamping strip arranged at the lower end of the first clamping strip, a second sensor arranged at the bottom end of the second clamping strip, a top frame and a printing and rolling frame are welded, the first connecting piece and the first clamping strip are respectively hinged with the clamping jaw body, the first connecting piece is hinged with the second connecting piece, the second connecting piece is hinged with the third connecting piece, the third connecting piece is hinged with the second clamping strip, the first connecting piece, the second connecting piece, the third connecting piece, the first clamping strip and the second clamping strip are respectively provided with two groups, and the two groups of the first connecting pieces, The second connecting piece, the third connecting piece, the first holding strip and the second holding strip are all arranged in a linear symmetry manner.

2. A printing roll mechanism for flexographic printing according to claim 1, characterized in that: the roll printing frame comprises a first side plate arranged above the first base, a second side plate arranged above the second base, and a top plate arranged at the top ends of the first side plate and the second side plate, wherein the first side plate is welded with the first base, the second side plate is welded with the second base, and the top plate is welded with the first side plate and the second side plate.

3. A printing roll mechanism for flexographic printing according to claim 2, characterized in that: the control seat is arranged between two sides of one side of the first side plate, a first fixed block is further arranged at the top of the other side of the first side plate, the control seat is in threaded connection with the first side plate, and the first fixed block is in welded connection with the first side plate.

4. A printing roll mechanism for flexographic printing according to claim 2, characterized in that: the improved structure of the automobile seat is characterized in that a second fixed block is arranged on one side of the second side plate, a first air cylinder located on one side of the second fixed block is further arranged on the second side plate, a sliding rod located on one side of the first air cylinder is further arranged on the second side plate, the second fixed block is connected with the second side plate in a welded mode, the first air cylinder is transversely arranged and is in threaded connection with the second fixed block, and the sliding rod is directly connected with the first air cylinder.

5. A printing roll mechanism for flexographic printing according to claim 1, characterized in that: the gripping device comprises a vertically arranged second air cylinder, a first pneumatic clamping jaw arranged below the second air cylinder, and a first inductor arranged below the first pneumatic clamping jaw, the gripping device is connected with the sliding rod in a sliding manner, and the first inductor is fixedly connected with the first pneumatic clamping jaw.

6. A printing roll mechanism for flexographic printing according to claim 1, characterized in that: the base is characterized in that a first fixing seat is arranged on the bottom surface of the inner side of the first base, a first motor located above the first fixing seat is further arranged on the first base, the first fixing seat is connected with the first base in a welded mode, and the first motor is connected with the first fixing seat in a threaded mode.

7. A printing roll mechanism for flexographic printing according to claim 1, characterized in that: the inboard bottom surface of second base is provided with the third fixing base, the second base still is provided with the second motor that is located third fixing base top, the second base still is provided with the pivot that is located second motor one end, third fixing base and second base welded connection, second motor and third fixing base threaded connection, the main shaft lug connection of pivot and second motor.

8. A printing roll mechanism for flexographic printing according to claim 1, characterized in that: set up the second version section of thick bamboo groove that is four cyclic annular arrangements on the circular carousel, circular carousel still is provided with four groups that are the cyclic annular arrangement that are located second version section of thick bamboo groove top and keeps off the ring supporting legs, circular carousel still is provided with and is located the fender ring that keeps off ring supporting foot top, be used for preventing that a version section of thick bamboo from dropping, circular carousel still is provided with and is located the inboard version section of thick bamboo of fender ring, a version section of thick bamboo is in including the version section of thick bamboo body that is cylindric setting a section of thick bamboo axle in the middle of the version section of thick bamboo body sets up the rectangle recess at version section of thick bamboo axle both ends, keep off ring supporting legs and circular carousel welded connection, keep off ring and keep off ring.

9. A printing roll mechanism for flexographic printing according to claim 1, characterized in that: the transverse rotating shaft is further provided with a hydraulic cylinder located between the rectangular block and the second fixing seat, the transverse rotating shaft is further provided with a bearing located on one side of the hydraulic cylinder, a first cylinder groove is formed in the rectangular block, the transverse rotating shaft is further provided with an electric clamping jaw located on the inner side of the first cylinder groove, the second fixing seat is connected with the transverse rotating shaft in a welded mode, and the hydraulic cylinder is in threaded connection with the second fixing seat.

10. A printing roll mechanism for flexographic printing according to claim 1, characterized in that: the top frame comprises a top frame body and supporting legs arranged below the top frame body, wherein the supporting legs are provided with four groups and are connected with the top frame body in a welding mode.