CN113968541A - Gravure plate changing mechanism and using method thereof - Google Patents
Gravure plate changing mechanism and using method thereof Download PDFInfo
- Publication number
- CN113968541A CN113968541A CN202111366261.1A CN202111366261A CN113968541A CN 113968541 A CN113968541 A CN 113968541A CN 202111366261 A CN202111366261 A CN 202111366261A CN 113968541 A CN113968541 A CN 113968541A
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- China
- Prior art keywords
- hoisting
- printing plate
- belt
- lifting
- travelling crane
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/14—Slings with hooks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
- B66C5/04—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods with runways or tracks supported for movements relative to bridge or gantry
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Automation & Control Theory (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention discloses an intaglio printing plate changing mechanism and a using method thereof, and the intaglio printing plate changing mechanism comprises a portal frame and a hoisting travelling crane, wherein lifting hoisting belts capable of being lifted are symmetrically arranged at two ends of the hoisting travelling crane, each hoisting belt comprises a hooking part, a handheld part and a main body part, the hooking parts are matched and connected with a printing plate, a fine adjustment switch is arranged on the handheld parts, the fine adjustment switch finely adjusts the descending amount of the hoisting belts, the main body parts are connected with the output parts of the hoisting belts of the hoisting travelling crane, identification areas are arranged on the main body parts, and an identification sensor for identifying the identification areas is arranged on the portal frame; according to the invention, the identification area is arranged on the hoisting belt, so that the hoisting belt can stop after descending by a preset height, on one hand, the hoisting belt can descend at a higher speed, and on the other hand, the hoisting belt is ensured not to directly collide with the printing plate; meanwhile, a fine adjustment switch is arranged on the handheld portion, fine adjustment of the downlink quantity is performed under the control of an operator, and then connection work of the upper hook portion of the lifting belt and the printing plate is conveniently completed.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a gravure printing plate changing mechanism and a using method thereof.
Background
In industrial production, mechanical equipment needs to be hoisted and assembled, for example, a printing plate roller changing operation is carried out. At present, equipment such as a crane is mostly adopted for hoisting and moving large-scale equipment. However, facilities such as cranes may not satisfy the existing use conditions due to space limitations and the like.
For example, chinese patent publication No. CN105645291A discloses a mechanical equipment hoisting frame and a hoisting method; when mechanical equipment is hoisted, at least three hoisting frames are respectively arranged around the mechanical equipment, and connecting pieces of the hoisting frames are fixedly connected with the mechanical equipment. The sliding sleeve of the hoisting frame is driven by the driving device to move towards the top end of the upright post until the mechanical equipment leaves the ground. The sliding sleeve and the upright post are relatively fixed through a locking device on the mechanical equipment hoisting frame; promote mechanical equipment hoist and mount frame, drive through bottom roller device and wait to hoist mechanical equipment and remove. The structure is complex, and the hoisting height is high, so that short-distance precision control cannot be performed, and the method cannot be well suitable for plate changing operation of the printing plate roller;
based on the current situation that the hoisting equipment is not suitable for the plate roller plate changing operation, the plate roller plate changing operation is usually completed by 2 workers at present, each printing plate is about 85 kilograms in weight on average, shaft heads of top plates at two ends are 35 kilograms in weight, and 120 kilograms per plate changing operation is needed each time, because the plate changing operation is carried out, the operation needs to be carried out twice repeatedly, namely 120 kilograms multiplied by 2 times is 240 kilograms; the measured fall between the plate printing frame and the plate changing trolley is 25 cm.
Taking a small box (8) of the red general to replace a small box (6) of the purple diamond as an example, the total lifting and carrying weight required by replacing the printing plate is as follows: 240 kg × 6 pieces +120 kg × 2 pieces ═ 1680 kg.
Therefore, the manual operation has the problem of high labor intensity, and besides the problem of large lifting and carrying weight, the manual operation also has the following problems: 1. the risk of bumping the printing plate leads to the problems of delaying production or scrapping the printing plate; 2. and (3) hurting the waist with too much force, and hurting legs and feet with the printing plate out of hand, which affect the dangerous factors of safe operation.
Disclosure of Invention
The invention aims to provide a gravure plate changing mechanism with high lifting efficiency and high safety and a using method thereof, aiming at the defects and the defects of the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a gravure printing plate changing mechanism, which comprises a portal frame and a hoisting travelling crane arranged on the portal frame, the lifting travelling crane is characterized in that lifting belts capable of lifting are symmetrically arranged at two ends of the lifting travelling crane, each lifting belt comprises a hooking part, a handheld part and a main body part which are sequentially connected from bottom to top, the hooking part is matched and connected with the printing plate roller, the hand-held part is provided with a micro-adjusting switch, the fine adjustment switch finely adjusts the descending amount of the hoisting belt, the main body part is connected with the hoisting belt output part of the hoisting travelling crane, the main body part is provided with an identification area, the portal frame is provided with an identification sensor for identifying the identification area, when the hoisting belt goes down, the identification sensor senses the identification area, the output part of the hoisting belt of the hoisting travelling crane stops working, and the hooking part is positioned above the printing plate roller; and each driving part in the hoisting travelling crane, the fine adjustment switch and the identification sensor are electrically connected with the control unit.
Preferably, the identification sensor is a color sensor, and the identification area is provided with a corresponding color.
Preferably, the bottom of the hooking part is provided with an obstacle detection sensor for detecting an obstacle below the hooking part, and when the micro-adjustment switch is not started and the distance between the bottom of the hooking part and the obstacle is smaller than a preset distance threshold, the alarm gives an alarm sound; the obstacle detection sensor and the alarm are electrically connected with the control unit.
Preferably, when the alarm time of the alarm is greater than a preset time threshold, the output part of the hoisting belt of the hoisting travelling crane stops working.
Preferably, the portal frame adopts a four-leg iron frame to form a rectangular hoisting support.
Preferably, the hoisting height of the hoisting belt is 0 to 1.5 m.
Preferably, the hoisting belt is a hoisting chain, the identification area is a magnetic adsorption component arranged on the side wall of the hoisting chain, and the magnetic adsorption component comprises a base body, and magnets and markers which are respectively arranged on two sides of the base body.
Preferably, an emergency stop button is arranged on the portal frame and electrically connected with the control unit.
The invention also provides a use method of the gravure plate changing mechanism, which comprises the following steps:
moving the hoisting travelling crane to the printing plate placing frame, starting a hoisting belt output part, enabling the hoisting belt to rapidly descend, and stopping the hoisting belt output part when the recognition sensor senses a recognition area;
an operator holds the handheld part and presses the fine adjustment switch to control the hoisting belt to slowly descend, when the hooking part can be connected with the printing plate roller, the fine adjustment switch is released, the output part of the hoisting belt continues to work, the hoisting belt quickly ascends to the assembly height, and the output part of the hoisting belt stops working;
and moving the hoisting travelling crane to the assembly position, pressing a fine adjustment switch, controlling the hoisting belt to slowly descend, and placing the printing plate roller at the assembly position.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the gravure printing plate changing mechanism, the identification area is arranged on the lifting belt, so that the lifting belt can stop after descending by a preset height, on one hand, the lifting belt can descend at a higher speed, and on the other hand, the lifting belt is prevented from directly colliding with a printing plate, so that the working efficiency is ensured, and the problem of workpiece damage is avoided; meanwhile, the fine adjustment switch is arranged on the handheld portion, so that the hoisting belt can finely adjust the descending amount under the control of an operator after finishing quick descending work, and further the connection work of the upper hooking portion of the hoisting belt and the printing plate is conveniently finished.
2. According to the gravure printing plate changing mechanism provided by the invention, the obstacle detection sensor is arranged at the bottom of the hooking part, so that the lifting belt can be stopped in time before encountering an obstacle in the rapid descending process, and the problem that the lifting belt damages a human body due to misoperation of an operator is avoided.
3. According to the gravure printing plate changing mechanism provided by the invention, the identification area is set as the magnetic adsorption component, so that the position of the identification area on the chain can be adjusted to adapt to different lifting heights.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a gravure plate-changing mechanism of the present invention;
FIG. 2 is an isometric view of FIG. 1;
FIG. 3 is a schematic view of a plate rack;
FIG. 4 is a schematic view of the construction of a sling;
the automatic printing plate lifting device comprises a portal frame 1, a lifting travelling crane 2, a lifting belt 3, a hooking part 4, a handheld part 5, a main body part 6, a fine adjustment switch 7, an identification area 8, an obstacle detection sensor 9 and a printing plate placing frame 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 4, the invention provides an intaglio printing plate changing mechanism, which comprises a portal frame 1 and a hoisting travelling crane 2 arranged on the portal frame 1, wherein lifting hoisting belts 3 capable of lifting are symmetrically arranged at two ends of the hoisting travelling crane 2, each hoisting belt 3 comprises a hooking part 4, a handheld part 5 and a main body part 6 which are sequentially connected from bottom to top, each hooking part 4 is matched and connected with a printing plate roller, a printing plate is placed on a printing plate placing frame 10, a micro-adjustment switch 7 is arranged on each handheld part 5, each micro-adjustment switch 7 is used for micro-adjusting the descending amount of each hoisting belt 3, each main body part 6 is connected with the output part of each hoisting travelling crane 2, each main body part 6 is provided with a mark area 8, an identification sensor for identifying the mark area 8 is arranged on the portal frame 1, when the hoisting travelling crane 3 descends and the identification sensor senses the mark area 8, the output part of the hoisting belt of the hoisting travelling crane 2 stops working, and the hooking part 4 is positioned above the printing plate roller; and each driving part, the fine adjustment switch 7 and the identification sensor in the hoisting travelling crane 2 are electrically connected with the control unit. The identification area 8 is arranged on the hoisting belt 3, so that the hoisting belt 3 can stop after descending by a preset height, on one hand, the hoisting belt 3 can descend at a higher speed, and on the other hand, the hoisting belt 3 is prevented from directly colliding with a printing plate, so that the working efficiency is ensured, and the problem of workpiece damage is avoided; meanwhile, the fine adjustment switch 7 is arranged on the handheld portion 5, so that the hoisting belt 3 can be finely adjusted in descending amount under the control of an operator after finishing quick descending work, and the connection work of the hooking portion 4 and the printing plate on the hoisting belt 3 is further conveniently finished.
As a specific embodiment, the identification sensor is a color sensor in the present invention, and the identification area 8 is provided with a corresponding color, for example yellow.
According to the invention, the bottom of the hooking part 4 is provided with an obstacle detection sensor 9 for detecting an obstacle below, when the micro-adjustment switch 7 is not started and the distance between the bottom of the hooking part 4 and the obstacle is smaller than a preset distance threshold, for example, the preset distance threshold is 5-8 cm, the size of the preset distance threshold can be adaptively adjusted according to the shape of a workpiece or other factors, and an alarm gives an alarm sound; the obstacle detection sensor 9 and the alarm are both electrically connected with the control unit. Wherein, make hoist and mount area 3 down the in-process fast, can in time stop before meetting the barrier, avoid operating personnel maloperation to lead to hoist and mount area 3 to harm human problem.
As a specific implementation manner, when the alarm time of the alarm is greater than a preset time threshold, for example, the preset time threshold is 5 to 10 seconds, the size of the preset time threshold can be adaptively adjusted according to the hoisting height and the downlink length of the hoisting belt 3, and then the hoisting belt output part of the hoisting travelling crane 2 stops working.
As a specific implementation mode, the portal frame 1 adopts a four-leg iron frame to form a rectangular hoisting bracket, so that the structural stability and the use safety of equipment are enhanced.
As a specific implementation manner, the hoisting height of the hoisting belt 3 in the invention is 0 to 1.5m, that is, the hoisting height of the hoisting belt 3 is adjustable, and when the hoisting height changes, the position of the identification area 8 needs to be adjusted in time.
As a specific implementation mode, the lifting chain is also applicable to the situation of lifting height change in the technical scheme, the lifting belt 3 is a lifting chain, the identification area is a magnetic adsorption assembly arranged on the side wall of the lifting chain, the magnetic adsorption assembly comprises a base body, and magnets and markers which are respectively arranged on two sides of the base body, so that the position of the marker area 8 on the chain can be adjusted to adapt to different lifting heights
In order to ensure the safety of equipment, an emergency stop button is arranged on a portal frame 1 and is electrically connected with a control unit, wherein the emergency stop button is arranged at a prominent part of the portal frame 1, and the pressing timeliness of the emergency stop button is ensured.
The invention also provides a use method of the gravure plate changing mechanism, which comprises the following steps:
moving the hoisting travelling crane to the printing plate placing frame, starting a hoisting belt output part, enabling the hoisting belt to rapidly descend, and stopping the hoisting belt output part when the recognition sensor senses a recognition area;
an operator holds the handheld part and presses the fine adjustment switch to control the hoisting belt to slowly descend, when the hooking part can be connected with the printing plate roller, the fine adjustment switch is released, the output part of the hoisting belt continues to work, the hoisting belt quickly ascends to the assembly height, and the output part of the hoisting belt stops working;
and moving the hoisting travelling crane to the assembly position, pressing a fine adjustment switch, controlling the hoisting belt to slowly descend, and placing the printing plate roller at the assembly position.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. A gravure plate changing mechanism is characterized by comprising a portal frame and a hoisting travelling crane arranged on the portal frame, the lifting travelling crane is characterized in that lifting belts capable of lifting are symmetrically arranged at two ends of the lifting travelling crane, each lifting belt comprises a hooking part, a handheld part and a main body part which are sequentially connected from bottom to top, the hooking part is matched and connected with the printing plate roller, the hand-held part is provided with a fine adjustment switch, the fine adjustment switch finely adjusts the descending amount of the hoisting belt, the main body part is connected with a hoisting belt output part of the hoisting travelling crane, the main body part is provided with an identification area, the gantry is provided with an identification sensor for identifying the identification area, when the hoisting belt goes downwards, the identification sensor senses the identification area, the output part of the hoisting belt of the hoisting travelling crane stops working, and the hooking part is positioned above the printing plate roller; and each driving part in the hoisting travelling crane, the fine adjustment switch and the identification sensor are electrically connected with the control unit.
2. The intaglio printing plate changer according to claim 1, wherein said identification sensor is a color sensor and said identification areas are provided with corresponding colors.
3. The intaglio printing plate changing mechanism according to claim 1, wherein the bottom of the hooking portion is provided with an obstacle detection sensor for detecting an obstacle below, and when the micro-adjustment switch is not activated and the distance between the bottom of the hooking portion and the obstacle is smaller than a preset distance threshold, an alarm is sounded; the obstacle detection sensor and the alarm are electrically connected with the control unit.
4. The intaglio printing plate changing mechanism according to claim 3, wherein when the alarm time of the alarm is greater than a preset time threshold, the output part of the hoisting belt of the hoisting travelling crane stops working.
5. The gravure plate changing mechanism of claim 1, wherein the gantry forms a rectangular lifting bracket using a four-leg iron frame.
6. The intaglio printing plate changing mechanism according to claim 1, wherein the lifting height of said lifting belt is 0 to 1.5 m.
7. The intaglio printing plate changing mechanism according to claim 1 or 6, wherein the lifting belt is a lifting chain, the identification area is a magnetic adsorption component arranged on the side wall of the lifting chain, and the magnetic adsorption component comprises a base body and magnets and markers respectively arranged on two sides of the base body.
8. The intaglio printing plate changing mechanism according to claim 7, wherein said portal frame is provided with an emergency stop button, said emergency stop button being electrically coupled with said control unit.
9. Use of the intaglio printing plate changer according to any of the claims 1 to 8, characterized in that it comprises the following steps:
moving the hoisting travelling crane to the printing plate placing frame, starting a hoisting belt output part, enabling the hoisting belt to rapidly descend, and stopping the hoisting belt output part when the recognition sensor senses a recognition area;
an operator holds the handheld part and presses the fine adjustment switch to control the hoisting belt to slowly descend, when the hooking part can be connected with the printing plate roller, the fine adjustment switch is released, the output part of the hoisting belt continues to work, the hoisting belt quickly ascends to the assembly height, and the output part of the hoisting belt stops working;
and moving the hoisting travelling crane to the assembly position, pressing a fine adjustment switch, controlling the hoisting belt to slowly descend, and placing the printing plate roller at the assembly position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111366261.1A CN113968541B (en) | 2021-11-18 | 2021-11-18 | Gravure plate changing mechanism and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111366261.1A CN113968541B (en) | 2021-11-18 | 2021-11-18 | Gravure plate changing mechanism and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113968541A true CN113968541A (en) | 2022-01-25 |
| CN113968541B CN113968541B (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111366261.1A Active CN113968541B (en) | 2021-11-18 | 2021-11-18 | Gravure plate changing mechanism and using method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002356296A (en) * | 2001-05-29 | 2002-12-10 | Osamu Hasegawa | Portal crane |
| CN205527608U (en) * | 2016-03-10 | 2016-08-31 | 湖州中辰建设有限公司 | Hanging flower basket device that possesses double insurance |
| CN206751190U (en) * | 2017-05-16 | 2017-12-15 | 刘国瑞 | A kind of crane hook with anti-collision |
| CN207524574U (en) * | 2017-11-21 | 2018-06-22 | 北京汇林印务有限公司 | A kind of printing machine feed mechanism |
| CN209176317U (en) * | 2018-10-22 | 2019-07-30 | 漳州众鑫橡胶有限公司 | A kind of printing rubber roll quick replacement device |
| CN111943070A (en) * | 2020-08-28 | 2020-11-17 | 杭州契卡拉起重机械有限公司 | Intelligent electric hoist with suspension control structure |
-
2021
- 2021-11-18 CN CN202111366261.1A patent/CN113968541B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002356296A (en) * | 2001-05-29 | 2002-12-10 | Osamu Hasegawa | Portal crane |
| CN205527608U (en) * | 2016-03-10 | 2016-08-31 | 湖州中辰建设有限公司 | Hanging flower basket device that possesses double insurance |
| CN206751190U (en) * | 2017-05-16 | 2017-12-15 | 刘国瑞 | A kind of crane hook with anti-collision |
| CN207524574U (en) * | 2017-11-21 | 2018-06-22 | 北京汇林印务有限公司 | A kind of printing machine feed mechanism |
| CN209176317U (en) * | 2018-10-22 | 2019-07-30 | 漳州众鑫橡胶有限公司 | A kind of printing rubber roll quick replacement device |
| CN111943070A (en) * | 2020-08-28 | 2020-11-17 | 杭州契卡拉起重机械有限公司 | Intelligent electric hoist with suspension control structure |
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| Publication number | Publication date |
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| CN113968541B (en) | 2022-10-18 |
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