CN113910763A - Plate changing equipment and plate changing method for printing machine - Google Patents
Plate changing equipment and plate changing method for printing machine Download PDFInfo
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- CN113910763A CN113910763A CN202010649047.6A CN202010649047A CN113910763A CN 113910763 A CN113910763 A CN 113910763A CN 202010649047 A CN202010649047 A CN 202010649047A CN 113910763 A CN113910763 A CN 113910763A
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- plate
- frame
- printing
- printing machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F27/00—Devices for attaching printing elements or formes to supports
- B41F27/10—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders
- B41F27/105—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders for attaching cylindrical printing formes
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Abstract
A plate changing device and a plate changing method of a printing machine are used for conveniently changing a printing plate on the printing machine. The plate changing equipment comprises a plate taking device and a plate frame, wherein a plurality of supporting plates which are arranged up and down are arranged on the plate frame, the plate taking device comprises a base, walking wheels are arranged on the base, and a support is arranged at the top of the base; the lifting unit comprises a lifting frame which is connected with the support in a vertical sliding manner, a translation frame which is connected with the lifting frame in a front-back sliding manner, and a plate taking hand which is fixed at the front end of the translation frame, wherein a placing cavity for placing a printing plate is arranged on the plate taking hand; the lifting mechanism is arranged on the lifting unit and used for driving the lifting frame to move up and down; the translation mechanism is arranged on the lifting unit and used for driving the translation frame to move back and forth; the positioning and clamping mechanism comprises side rods fixed on the left side and the right side of the support, positioning blocks fixed on the two side rods, and a positioning rod fixed on one side rod, wherein the positioning block is an electrified electromagnet. The invention can be conveniently positioned and clamped with a printing machine and is convenient for replacing the printing plate.
Description
Technical Field
The invention relates to the technical field of printing machines, in particular to a plate changing device and a plate changing method of a printing machine.
Background
In the prior art, when the printing plate of the printing machine is replaced, workers generally operate the printing machine by hands. The old version is manually removed and then the new version is replaced. In such an operation mode, time and labor are wasted; especially when the plate is large, two people are required to cooperate. Therefore, there is an urgent need for a plate changing apparatus for a printing press for realizing automatic change of printing plates.
Disclosure of Invention
The invention aims to provide a plate changing device and a plate changing method of a printing machine, which are used for conveniently changing a printing plate on the printing machine.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a printing machine trades version equipment, characterized by, it is equipped with the layer board that sets up about a plurality of including getting version device and chase on the chase, and the printing plate is placed on the layer board, gets the version device and includes:
the walking wheel is arranged at the bottom of the base, and the support is arranged at the top of the base;
the lifting unit comprises a lifting frame which is connected with the support in a vertical sliding manner, a translation frame which is connected with the lifting frame in a front-back sliding manner, and a plate taking hand which is fixed at the front end of the translation frame, wherein a placing cavity for placing a printing plate is arranged on the plate taking hand;
the lifting mechanism is arranged on the lifting unit and used for driving the lifting frame to move up and down;
the translation mechanism is arranged on the lifting unit and used for driving the translation frame to move back and forth;
the positioning and clamping mechanism comprises side rods fixed on the left side and the right side of the support, positioning blocks fixed on the two side rods, and a positioning rod fixed on one side rod, wherein the positioning block is an electrified electromagnet.
Furthermore, the support is of a gantry structure, and an inclined stay bar is arranged between the support and the base.
Furthermore, the crane is of a structure in the shape of a ']' with an upward opening, a first sliding block is arranged on the side wall of the crane, a first guide rail is fixed on the bracket, and the first sliding block is connected with the first guide rail in a sliding manner.
Furthermore, a reinforcing rod is arranged on the inner side of the lifting frame.
Furthermore, the translation frame is of a U-shaped structure, a second guide rail is arranged at the bottom of the translation frame, a support frame is fixed on the lifting frame, a second sliding block is fixed on the support frame, and the second sliding block is connected with the second guide rail in a sliding mode.
Further, elevating system is including fixing elevator motor at the support top, setting up the first lead screw between elevator motor output and crane.
Furthermore, a first protrusion is fixed on the reinforcing rod, a motor base is fixed on the reinforcing rod, a supporting base is arranged at one end of the motor base, the supporting base and the motor base enclose a shape like a Chinese character 'ji', and a screw nut in threaded connection with the first screw is arranged on the first protrusion.
Further, the translation mechanism comprises a translation motor fixed on the motor base and a second lead screw arranged between the output end of the translation motor and the supporting seat, a second protrusion is fixed on the translation frame, and a lead screw nut in threaded connection with the second lead screw is arranged on the second protrusion.
Further, the plate frame and the supporting plate are of an L-shaped structure, the supporting plate is arranged in an inclined mode, the upper end of the supporting plate is fixedly connected with the plate frame, and a fixing plate is arranged between the supporting plate and the plate frame.
A plate changing method of a printing machine is characterized by comprising the following steps:
(1) the plate taking device is pushed to the printing machine, so that the outer side surface of the positioning rod is in contact with the inner side surface of the printing machine upright post at the plate placing opening, and the left and right positioning of the invention is realized; the left positioning block and the right positioning block are in contact with the outer side face of the upright column of the printing machine, so that the printing machine and the plate taking device are positioned in the front-back direction; then electrifying the positioning block, and adsorbing the positioning block and the printing machine together through magnetic force to realize clamping between the printing machine and the plate taking device;
(2) the plate taking hand is driven to move forwards under the action of the translation mechanism, then the plate taking hand is driven to move upwards under the action of the lifting mechanism until the plate taking hand holds the old printing plate, and at the moment, a clamping shaft for clamping the old printing plate can be far away from the old printing plate, so that the old printing plate can be detached;
(3) the positioning block loses magnetism when power is cut off, the clamping action between the printing machine and the plate taking device disappears, and then the plate taking hand moves reversely to move the old printing plate out of the printing machine;
(4) pushing the plate taking device to be close to the plate frame, driving the plate taking hand to move up and down and back and forth, and further placing the old printing plate on the plate frame; then the plate taking hand is driven to move up and down and back and forth, and a new printing plate is obtained from the plate frame;
(5) then transferring the printing plate to a plate placing opening of a printing machine, positioning and clamping the plate taking device by using the method in the step (1), driving a plate taking hand to move up and down and back and forth, and further placing a new printing plate between clamping shafts on the printing machine; starting the clamping shaft, and pushing and clamping the printing plate by the clamping shaft; when the clamping shaft pushes the printing plate, the printing plate moves along the axial direction, and the roller rotates along with the movement of the printing plate.
The invention has the beneficial effects that: the plate changing equipment and the plate changing method for the printing machine can realize the lifting, the front-back movement and the unloading of the plate taking hand, so that an old printing plate is unloaded, or a new printing plate is lifted to a proper height position, and the replacement of the printing plate is further facilitated. By realizing the positioning and clamping between the plate taking equipment and the printing machine, the relative position between the plate taking equipment and the printing machine can be accurately determined, and the position can be fixed.
Drawings
FIG. 1 is a three-dimensional schematic of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a three-dimensional view of the lift unit;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic view of plate movement;
FIG. 8 is a schematic view of a roller disposed in the plate pick-up hand;
FIG. 9 is a three-dimensional view of a pallet;
FIG. 10 is a side view of the carriage;
FIG. 11 is a three-dimensional view of the present invention in use;
FIG. 12 is a top view of the present invention in use;
in the figure: the automatic printing machine comprises a base 1, a traveling wheel 11, a support 2, a diagonal brace 21, a first guide rail 22, a side rod 23, a lifting frame 3, a first sliding block 31, a reinforcing rod 32, a first protrusion 33, a motor seat 34, a supporting seat 35, a lifting motor 36, a first lead screw 37, a supporting frame 38, a second sliding block 39, a translation frame 4, a second guide rail 41, a second protrusion 42, a plate taking hand 43, a translation motor 44, a second lead screw 45, a lead screw nut 46, a positioning block 5, a positioning rod 51, a printing plate 6, a roller 7, a plate frame 8, a supporting plate 81, a fixing plate 82 and a printing machine 9.
Detailed Description
As shown in fig. 1 to 12, the plate changing apparatus of the present invention mainly includes a plate taking device and a plate frame 8, wherein the plate taking device includes a base 1, a support 2, a lifting unit, a lifting mechanism and a translation mechanism, and the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the base 1 is made of metal, and the bottom of the base is provided with a traveling wheel 11 for facilitating the overall movement. A support 2 is arranged above the base, the support is of a gantry structure, and the bottom of the support is fixedly connected with the top of the base. An inclined strut 21 is arranged between the middle part of the bracket and the base, and the bracket is reinforced through the inclined strut so as to keep the stability of the bracket. The inclined support rod is arranged on the rear side wall of the support, a first guide rail 22 is fixed on the front side wall of the support, and the cross section of the first guide rail is in a dovetail shape. Side rods 23 are fixed on the left side wall and the right side wall of the support, positioning blocks 5 are fixed on the side rods, the positioning blocks are circular, and the positioning blocks are fixed on the front side walls of the side rods. And a positioning rod 51 is fixed on one side rod and used for realizing left-right positioning between the positioning rod and the printing machine, and a positioning block is used for realizing front-back positioning between the positioning block and the printing machine. The locating piece is the electro-magnet, obtains magnetism and then adsorbs fixedly together with the printing machine stand after the locating piece circular telegram, therefore the locating piece except the positioning action, still possesses the clamping function who realizes between base and the printing machine stand. The positioning block, the positioning rod and the side rod form a positioning and clamping mechanism.
The support is provided with a lifting unit, as shown in fig. 5 and 6, the lifting unit comprises a lifting frame 3 which is connected with the support in a vertical sliding manner and a translation frame 4 which is connected with the lifting frame in a front-back sliding manner, the lifting frame 3 is in a ']' -shaped structure, and the opening of the lifting frame is upward. Two groups of first sliding blocks 31 are fixed on the rear side wall of the lifting frame, each group comprises two first sliding blocks which are arranged up and down, dovetail grooves which are in contact with the first guide rails are arranged on the first sliding blocks, and the first guide rails are arranged in the dovetail grooves to further realize sliding connection of the first sliding blocks and the first guide rails. The inner side of the lifting frame is provided with a reinforcing rod 32 which is horizontally arranged, and the structural strength of the whole lifting frame is increased through the reinforcing rod. A first protrusion 33 is fixed on the rear side wall of the reinforcing rod, a motor base 34 is arranged between the reinforcing rod and the lifting frame, a supporting base 35 is arranged on the rear side of the motor base, and the supporting base and the motor base form a ']' -shaped structure.
The inner side of the lifting frame is provided with a translation frame 4 which is of a U-shaped structure, the opening of the translation frame faces the front side, the bottom of the translation frame is fixed with a second sliding block 41, and the cross section of the second sliding block is also of a dovetail shape. A pair of support frames 38 arranged left and right are fixed on the inner side of the lifting frame, the support frames are in a V-shaped structure, second sliding blocks 39 are respectively fixed at two ends of each support frame, dovetail grooves are formed in the upper surfaces of the second sliding blocks, and two ends of the translation frame are arranged in the corresponding dovetail grooves on the second sliding blocks. And plate taking hands 43 are fixed at two ends of the translation frame, can be integrally formed with the translation frame and can also be welded or fixed on the translation frame in a bolt connection mode. Get the version hand including the horizontal part in the middle, set up the slope at the horizontal part both ends, the inboard of whole root get the version hand forms places the chamber, places the printing plate in and places the intracavity during the use. In order to protect the printing plate, as shown in fig. 8, a roller is arranged on the inner side of the plate taking hand, and the roller 7 is a rubber wheel and is used for protecting the printing plate.
The lifting unit lifts the printing plate to drive the printing plate to move forwards, backwards, upwards and downwards so as to place the printing plate at a proper position. And a lifting mechanism and a translation mechanism are arranged on the lifting unit, wherein the lifting mechanism comprises a lifting motor 36 fixed at the top of the support and a first lead screw 37 arranged between an output shaft of the lifting motor and the base, and the first lead screw is in threaded connection with a lead screw nut 46 arranged on the first protrusion. When the lifting motor drives the first lead screw to rotate, the first protrusion and the lifting frame can be driven to move up and down along the first guide rail. The translation mechanism comprises a translation motor 44 fixed on the motor base 34 and a second lead screw 45 arranged between the output end of the translation motor and the support seat 35, and the second lead screw is in threaded connection with a lead screw nut 46 arranged on the second protrusion. Under the drive of the translation motor, the second lead screw rotates, and then drives the second protrusion and the translation frame to move back and forth along the lifting frame. Therefore, the plate taking hand and the printing plate are driven to move up and down under the action of the lifting mechanism, and the plate taking hand and the printing plate are driven to move back and forth under the action of the translation mechanism.
As shown in fig. 9 and 10, the plate frame 8 is an L-shaped metal member, and is fixedly arranged near the printing machine, and the two plate frames cooperate to place the printing plate. A plurality of supporting plates 81 which are arranged at equal intervals up and down are fixed on the plate frame, the supporting plates are of L-shaped structures, the supporting plates are arranged in an inclined mode, and the printing plates are placed on the inner sides of the supporting plates. A fixing plate 82 is arranged between the supporting plate and the plate frame, and the arrangement of the fixing plate strengthens the stability between the plate frame and the supporting plate.
As shown in fig. 11 and 12, the printing plate is placed on the pallet, the plate taking device is moved to the printing press, and then the old printing plate is taken off from the printing press by the plate taking hand, and the plate taking device places the old printing plate on the pallet. And then a plate taking hand obtains a new printing plate from the plate frame, then conveys the new printing plate to the printing machine 9, places the new printing plate in a clamping position, and withdraws the plate taking device after manually installing the new printing plate on the printing machine.
The use of the invention is described below:
(1) the plate taking device is pushed to the printing machine 9, so that the outer side surface of the positioning rod is in contact with the inner side surface of the upright post of the printing machine 9 at the plate placing opening, and the left and right positioning of the invention is realized; the positioning block is in contact with the outer side face of the upright column of the printing machine, so that the printing machine and the plate taking device are positioned in the front-back direction; then electrifying the positioning block, and adsorbing the positioning block and the printing machine together through magnetic force to realize clamping between the printing machine and the plate taking device;
(2) the plate taking hand is driven to move forwards under the action of the translation mechanism, then the plate taking hand is driven to move upwards under the action of the lifting mechanism until the plate taking hand holds the old printing plate, and at the moment, a clamping shaft for clamping the old printing plate can be far away from the old printing plate, so that the old printing plate can be detached;
(3) then the plate taking hand moves reversely to remove the old printing plate from the printing machine;
(4) pushing the plate taking device to be close to the plate frame, driving the plate taking hand to move up and down and back and forth, and further placing the old printing plate on the plate frame; then the plate taking hand is driven to move up and down and back and forth, and a new printing plate is obtained from the plate frame;
(5) then transferring the printing plate to a plate placing opening of a printing machine, positioning and clamping the manipulator by using the method in the step (1), driving the plate taking hand to move up and down and back and forth, and further placing a new printing plate between clamping shafts on the printing machine; starting the clamping shaft, and pushing and clamping the printing plate by the clamping shaft; when the clamping shaft pushes the printing plate, the printing plate moves along the axial direction, and the roller rotates along with the movement of the printing plate.
Claims (10)
1. The utility model provides a printing machine trades version equipment, characterized by, it is equipped with the layer board that sets up about a plurality of including getting version device and chase on the chase, and the printing plate is placed on the layer board, gets the version device and includes:
the walking wheel is arranged at the bottom of the base, and the support is arranged at the top of the base;
the lifting unit comprises a lifting frame which is connected with the support in a vertical sliding manner, a translation frame which is connected with the lifting frame in a front-back sliding manner, and a plate taking hand which is fixed at the front end of the translation frame, wherein a placing cavity for placing a printing plate is arranged on the plate taking hand;
the lifting mechanism is arranged on the lifting unit and used for driving the lifting frame to move up and down;
the translation mechanism is arranged on the lifting unit and used for driving the translation frame to move back and forth;
the positioning and clamping mechanism comprises side rods fixed on the left side and the right side of the support, positioning blocks fixed on the two side rods, and a positioning rod fixed on one side rod, wherein the positioning block is an electrified electromagnet.
2. A printing press plate changing apparatus according to claim 1, wherein the carriage is of a gantry type construction and diagonal braces are provided between the carriage and the base.
3. A plate-changing apparatus of a printing press as claimed in claim 1, wherein the elevation frame is of a "]" -shaped structure with an upward opening, a first slide block is provided on a side wall of the elevation frame, a first guide rail is fixed on the support frame, and the first slide block is slidably connected with the first guide rail.
4. A plate changing apparatus of a printing press according to claim 3, wherein a reinforcing bar is provided on an inner side of the lifting frame.
5. A plate-changing apparatus of a printing press as claimed in claim 1, wherein the translating carriage is of a "U" shape, a second guide rail is provided at the bottom of the translating carriage, a support frame is fixed to the lifting frame, and a second slider is fixed to the support frame, the second guide rail being slidably connected to the second slider.
6. A plate changing apparatus according to claim 1, wherein the elevating mechanism includes an elevating motor fixed to a top of the frame, and a first lead screw provided between an output end of the elevating motor and the elevating frame.
7. A plate changing apparatus according to claim 4, wherein a first protrusion is fixed to the reinforcing rod, a motor base is further fixed to the reinforcing rod, a support base is provided at one end of the motor base, the support base and the motor base enclose a "]" -shape, and a screw nut is provided on the first protrusion and is threadedly coupled to the first screw.
8. A plate changing apparatus according to claim 7, wherein the translation mechanism includes a translation motor fixed to the motor base, a second lead screw provided between an output end of the translation motor and the support base, and a second projection is fixed to the translation frame, and a lead screw nut threadedly coupled to the second lead screw is provided on the second projection.
9. The plate changing device of a printing machine as claimed in claim 1, wherein the plate frame and the support plate are both of an "L" shape, the support plate is arranged obliquely, the upper end of the support plate is fixedly connected with the plate frame, and a fixing plate is arranged between the support plate and the plate frame.
10. A plate changing method of a printing machine is characterized by comprising the following steps:
(1) the plate taking device is pushed to the printing machine, so that the outer side surface of the positioning rod is in contact with the inner side surface of the printing machine upright post at the plate placing opening, and the left and right positioning of the invention is realized; the left positioning block and the right positioning block are in contact with the outer side face of the upright column of the printing machine, so that the printing machine and the plate taking device are positioned in the front-back direction; then electrifying the positioning block, and adsorbing the positioning block and the printing machine together through magnetic force to realize clamping between the printing machine and the plate taking device;
(2) the plate taking hand is driven to move forwards under the action of the translation mechanism, then the plate taking hand is driven to move upwards under the action of the lifting mechanism until the plate taking hand holds the old printing plate, and at the moment, a clamping shaft for clamping the old printing plate can be far away from the old printing plate, so that the old printing plate can be detached;
(3) the positioning block loses magnetism when power is cut off, the clamping action between the printing machine and the plate taking device disappears, and then the plate taking hand moves reversely to move the old printing plate out of the printing machine;
(4) pushing the plate taking device to be close to the plate frame, driving the plate taking hand to move up and down and back and forth, and further placing the old printing plate on the plate frame; then the plate taking hand is driven to move up and down and back and forth, and a new printing plate is obtained from the plate frame;
(5) then transferring the printing plate to a plate placing opening of a printing machine, positioning and clamping the plate taking device by using the method in the step (1), driving a plate taking hand to move up and down and back and forth, and further placing a new printing plate between clamping shafts on the printing machine; the clamping shaft is activated and pushes and clamps the plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010649047.6A CN113910763A (en) | 2020-07-08 | 2020-07-08 | Plate changing equipment and plate changing method for printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010649047.6A CN113910763A (en) | 2020-07-08 | 2020-07-08 | Plate changing equipment and plate changing method for printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113910763A true CN113910763A (en) | 2022-01-11 |
Family
ID=79231627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010649047.6A Pending CN113910763A (en) | 2020-07-08 | 2020-07-08 | Plate changing equipment and plate changing method for printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113910763A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050257705A1 (en) * | 2004-05-05 | 2005-11-24 | Man Roland Druckmaschinen Ag | Apparatus for the transportation of printing sleeves |
| CN104228333A (en) * | 2014-09-24 | 2014-12-24 | 江阴市力达印刷包装机械有限公司 | Trolley for portable ink conveying and printing plate feeding of printing machine |
| CN204801233U (en) * | 2015-06-18 | 2015-11-25 | 禹辉（上海）新材料科技股份有限公司 | Load and unload edition car of going up of overweight version |
| CN205836235U (en) * | 2016-07-26 | 2016-12-28 | 陕西北人印刷机械有限责任公司 | A kind of adjustment of the printing plate dolly of precise positioning quick despatch printing plate cylinder |
| CN206796816U (en) * | 2017-05-26 | 2017-12-26 | 安徽霍山美文印刷有限公司 | A kind of supporting plate of printing machine plate lock-up mechanism |
| CN207859750U (en) * | 2018-01-04 | 2018-09-14 | 通海翔宇彩印包装有限公司 | A kind of fast quick change printing plate device of offset press |
| CN207954999U (en) * | 2018-03-22 | 2018-10-12 | 临沂华特装饰材料有限公司 | Printing machine plate-feeding device |
| CN209904241U (en) * | 2019-04-10 | 2020-01-07 | 成都市益诚包装有限公司 | Quick plate changing device for printing |
-
2020
- 2020-07-08 CN CN202010649047.6A patent/CN113910763A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050257705A1 (en) * | 2004-05-05 | 2005-11-24 | Man Roland Druckmaschinen Ag | Apparatus for the transportation of printing sleeves |
| CN104228333A (en) * | 2014-09-24 | 2014-12-24 | 江阴市力达印刷包装机械有限公司 | Trolley for portable ink conveying and printing plate feeding of printing machine |
| CN204801233U (en) * | 2015-06-18 | 2015-11-25 | 禹辉（上海）新材料科技股份有限公司 | Load and unload edition car of going up of overweight version |
| CN205836235U (en) * | 2016-07-26 | 2016-12-28 | 陕西北人印刷机械有限责任公司 | A kind of adjustment of the printing plate dolly of precise positioning quick despatch printing plate cylinder |
| CN206796816U (en) * | 2017-05-26 | 2017-12-26 | 安徽霍山美文印刷有限公司 | A kind of supporting plate of printing machine plate lock-up mechanism |
| CN207859750U (en) * | 2018-01-04 | 2018-09-14 | 通海翔宇彩印包装有限公司 | A kind of fast quick change printing plate device of offset press |
| CN207954999U (en) * | 2018-03-22 | 2018-10-12 | 临沂华特装饰材料有限公司 | Printing machine plate-feeding device |
| CN209904241U (en) * | 2019-04-10 | 2020-01-07 | 成都市益诚包装有限公司 | Quick plate changing device for printing |
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Application publication date: 20220111 |