CN112123935A - Printing machine with flexible printing head - Google Patents
Printing machine with flexible printing head Download PDFInfo
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- CN112123935A CN112123935A CN202011012317.9A CN202011012317A CN112123935A CN 112123935 A CN112123935 A CN 112123935A CN 202011012317 A CN202011012317 A CN 202011012317A CN 112123935 A CN112123935 A CN 112123935A
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- roller
- lifting
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- sliding
- printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
- B41F13/34—Cylinder lifting or adjusting devices
Abstract
The invention discloses a printing machine with a flexible printing head, wherein a bottom roller is installed in a rack, a fixed frame body is fixedly installed on the side wall of the rack, a printing roller is installed in the fixed frame body through a first lifting mechanism, namely, alpha is more than or equal to 3 degrees and less than or equal to 15 degrees, and a screen roller is installed on a printing roller mechanism through a second lifting mechanism; the fixed frame body is fixedly provided with a limiting mechanism, and the limiting mechanism is movably connected with an ink supply mechanism; the limiting mechanism comprises a limiting box, a gear seat is fixedly mounted in the limiting box, gear teeth are uniformly distributed on the gear seat, two through holes are symmetrically formed in the upper end face of the limiting box, a sliding groove is formed in the inner side wall of one side of the limiting box, a bearing seat is connected in the sliding groove in a sliding mode, and a sliding hole and two sliding rails are formed in the side wall of the other side of the limiting box. The invention has the advantages of ingenious and reasonable design, reasonable adjustment of the pressure among the bottom roller, the plate roller and the screen roller, and no influence on the ink supply effect of the ink supply mechanism.
Description
Technical Field
The invention relates to the technical field of printing machinery, in particular to a printing machine with a flexible printing head.
Background
In a traditional printing machine, when the printing pressure is adjusted, the adjusting unit is adjusted to enable the supporting unit to ascend or fall relative to the wall plate, so that the plate roller shoulder iron, the plate roller mandrel and the plate roller supported on the supporting unit integrally ascend or fall, and the pressure between the plate roller and the bottom roller and between the plate roller and the screen roller are adjusted.
The Chinese patent discloses a printing machine with a flexible printing head, the patent application number is 201610673745.3, the printing machine comprises a frame, a back roller, a printing roller and a net roller which are sequentially arranged side by side and tangentially, the back roller is rotationally fixed on the frame, the two ends of the printing roller and the net roller are respectively provided with a same flexible printing head mechanism, the flexible printing head mechanism comprises a flexible printing seat fixed on the side wall of the frame, a first linear guide rail is longitudinally arranged on the flexible printing seat, a first slide block is arranged on the first linear guide rail, a printing roller seat is fixed on the first slide block, the printing roller is rotationally fixed on the printing roller seat, a first air cylinder moving along the first linear guide rail is also fixed on the flexible printing seat, a piston rod of the first air cylinder is fixedly connected with the printing roller seat, a second linear guide rail is further longitudinally arranged on the printing roller seat, a second slide block is arranged on the second linear guide rail, a net roller seat is fixed on the second slide block, and the net, and a second cylinder moving along a second linear guide rail is fixed on the plate roller seat, a piston rod of the second cylinder is fixedly connected with the net roller seat, and an ink supply system is arranged on the outer side of the net roller.
Although the device can realize respective pressure regulation between the printing roller and the bottom roller and between the printing roller and the screen roller, the pressure between the screen roller and the ink supply device changes along with the pressure regulation, and the change of the pressure between the screen roller and the ink supply device directly influences the printing effect, so that the printing effect is not changed while the pressure between the printing roller and the bottom roller and the pressure between the printing roller and the screen roller are changed.
Disclosure of Invention
The invention aims to solve the problem that the printing effect is influenced by the pressure change between a screen roller and an ink supply device when the respective pressure between a printing roller and a bottom roller and between the printing roller and the screen roller is adjusted in the prior art, and provides a printing machine with a flexible printing head.
In order to achieve the purpose, the invention adopts the following technical scheme:
the printing machine with the flexible printing head comprises a frame, wherein a bottom roller is installed in the frame, a fixed frame body is fixedly installed on the side wall of the frame, a printing roller is installed in the fixed frame body through a first lifting mechanism and is in contact with the bottom roller, an included angle alpha between a connecting line between the axis of the bottom roller and the axis of the printing roller and the horizontal plane is 3-15 degrees, namely alpha is more than or equal to 3 degrees and less than or equal to 15 degrees, a screen roller is installed on the printing roller mechanism through a second lifting mechanism and is in contact with the screen roller, and an included angle beta between the connecting line between the axis of the screen shaft and the axis of the printing roller and the horizontal plane is 3-15 degrees, namely beta is more than or equal to 3 degrees and less than;
the fixed frame body is fixedly provided with a limiting mechanism, and the limiting mechanism is movably connected with an ink supply mechanism;
the limiting mechanism comprises a limiting box, a gear seat is fixedly installed inside the limiting box, gear teeth are uniformly distributed on the gear seat, two through holes are symmetrically formed in the upper end face of the limiting box, a sliding groove is formed in the inner side wall of one side of the limiting box, a bearing seat is connected in the sliding groove in a sliding mode, a sliding hole and two sliding rails are formed in the side wall of the other side of the limiting box, a motor is connected to the two sliding rails in a sliding mode, the tail end of an output shaft of the motor is installed on the bearing seat through a bearing, two connecting plates and a sliding gear are symmetrically installed on the output shaft of the motor, each connecting plate penetrates through the through hole in the corresponding position and is fixedly connected to the lower end of the ink supply mechanism;
when the device works, before the pressure between the printing roller and the bottom roller and the pressure between the printing roller and the mesh roller need to be adjusted, the sliding gear is driven to rotate through the motor, the ink supply mechanism is driven to move in the direction far away from the mesh roller through the meshing between the sliding gear and the gear teeth, and the device stops until the ink supply mechanism and the mesh roller are separated by a certain distance;
when the pressure between the plate roller and the bottom roller and between the plate roller and the mesh roller are adjusted, the height of the plate roller is adjusted through the first lifting mechanism, in the state shown in the figure, in the state that alpha is not 0, the bottom roller is in contact with the plate roller, the pressure between the bottom roller and the plate roller is 0, the pressure between the plate roller and the bottom roller can be increased by reducing the height of the plate roller, the pressure is analyzed according to physics, and when the maximum value of the pressure is that a connecting line of the shaft center of the plate roller and the shaft center of the bottom roller is coincident with a horizontal line, the pressure value between the plate roller and the bottom roller at the moment1In this case, the pressure between the plate roller and the base roller can be reduced by lowering the height of the plate roller or by raising the height of the plate roller, and the pressure between the base roller and the plate roller can be reducedForce range of [0, F1]Similarly, it can be seen that when the maximum pressure value between the printing roller and the screen roller is the line connecting the axes of the printing roller and the screen roller and the horizontal line are coincident, the pressure value between the printing roller and the screen roller at this time is set to be F2The pressure range between the screen roller and the plate roller is [0, F ]2]；
After the pressure adjustment between the printing roller and the bottom roller and between the printing roller and the net roller is finished, the motor drives the ink supply mechanism to contact with the net roller.
Preferably, the first lifting mechanism comprises a first mounting frame and a first lifting box, the printing roller is mounted on the first mounting frame through a bearing, the first lifting box is fixedly connected to the fixed frame body, a first piston plate is fixedly mounted at the lower end of the first mounting frame, and the first piston plate is slidably connected inside the first lifting box;
the second lifting mechanism comprises a second mounting frame and a second lifting box, the net roller is mounted on the second mounting frame through a bearing, the second lifting box is fixedly connected to the first mounting frame, a second piston plate is fixedly mounted at the lower end of the second mounting frame, and the second piston plate is slidably connected to the inside of the second lifting box;
the inner side wall of the fixed frame body is fixedly provided with a buffer tank, the upper end surface of the fixed frame body and the lower end surface of the second lifting tank are respectively and fixedly provided with a first pump body and a second pump body, the input ends of the first pump body and the second pump body are respectively communicated with the first lifting tank and the second lifting tank through pipelines, the output ends of the first pump body and the second pump body are respectively communicated with the buffer tank through pipelines, and electrorheological fluid is respectively arranged in the buffer tank, the first lifting tank and the second lifting tank;
the first lifting box and the second lifting box are made of conductive materials, a power supply is fixedly mounted on the upper end face of the fixed frame body, and the power supply, the first lifting box and the second lifting box are connected in series through a wire;
when the device works, when the heights of the plate roller and the net roller are adjusted, the first pump body is firstly opened, the first pump body pumps electrorheological fluid into the first lifting box or pumps electrorheological fluid in the first lifting box into the buffer box according to requirements, the pressure between the plate roller and the net roller does not change at the moment, the second pump body is opened after the pressure between the plate roller and the bottom roller is adjusted to a desired value, electrorheological fluid is pumped into the second lifting box or pumps electrorheological fluid in the second lifting box into the buffer box according to requirements, the pressure between the plate roller and the net roller is adjusted to the desired value, the power supply is opened, the power supply sequentially energizes the first lifting box and the second lifting box through leads, and the first lifting box and the second lifting box are made of conductive materials, so that the electrorheological fluids in the first lifting box and the second lifting box are both energized to be solid, and sufficient supporting force is provided when the plate roller and the net roller work, the stability of the device is improved.
Preferably, the first lifting mechanism and the second lifting mechanism are both provided with a limiting mechanism, the limiting mechanism comprises a sliding block and a limiting rod, the sliding block is connected to the limiting rod in a sliding manner, the sliding block is fixedly arranged on the first lifting mechanism or the second lifting mechanism, and the limiting rod is fixedly arranged on the upper end face of the fixing frame body; during operation, first hoist mechanism and second hoist mechanism drive version roller and the net roller and remove the stability that can strengthen the removal in-process, reduce the influence to the device that rocks in the removal process.
Preferably, the upper end face of the limiting box and the side face far away from the rack are transited through an arc face, and the radian of the arc face is
The upper end face of the gear seat and the side face far away from the rack are in transition through an arc surface, and the radian of the arc surface is
The gear teeth are uniformly distributed on the arc surface of the gear seat, each through hole is distributed on the upper end surface and the arc surface of the limiting box, the hole wall of one end of each through hole and the upper end surface of the side wall of the limiting box are positioned on the same horizontal plane, a reinforcing plate is fixedly arranged on the outer side wall of the limiting box far away from the rack, and the upper end surface of the reinforcing plate and the hole wall of each through hole are positioned on the same horizontal plane; when the mesh roller is in work, the motor can drive the sliding gear to move in the direction away from the mesh roller, and when the sliding gear moves to the direction away from the mesh rollerWhen the cambered surface is gone up, the slip gear can be through with the meshing between the teeth of a cogwheel stably drive the ink supply unit and rotate, until the ink supply unit move to with under the horizontality, the operator can clear up, maintain, change the operation such as etc. to the ink supply unit, the reinforcing plate can increase the area of contact between limited case and the ink supply unit, the stability of reinforcing ink supply unit horizontality.
Preferably, the ink supply mechanism comprises a vertical frame, an electric sliding rail is arranged on the vertical frame, a sliding block is connected onto the electric sliding rail in a sliding manner, a clamping seat is fixedly connected onto the sliding block, and an ink plate is clamped onto the clamping seat; during operation, the electric slide rail can drive the ink plate to move along the direction of the electric slide rail, so that the pressure between the ink plate and the screen roller can achieve the best inking effect, and the influence of pressure adjustment between the screen roller and the printing roller on the inking effect is reduced.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the position of the ink supply mechanism moved by the limiting mechanism can ensure that the pressure between the screen roller and the ink supply mechanism does not change under the premise that the pressure between the printing roller and the screen roller and the pressure between the printing roller and the bottom roller are adjustable, so that the pressure value between the ink supply mechanism and the screen roller can achieve a better ink supply effect, and the influence of the pressure adjustment between the screen roller and the printing roller on the ink supply effect is reduced; meanwhile, when the pressure among the bottom roller, the printing roller and the bottom roller is adjusted, the influence of the ink supply mechanism on pressure adjustment is reduced, and meanwhile, the state of the ink supply device is adjusted by utilizing the arrangement of the radian gear teeth, so that an operator can conveniently clean, maintain, replace and the like the ink supply device.
2. According to the invention, the heights of the printing roller and the screen roller are adjusted through the first lifting mechanism and the second lifting mechanism to adjust the pressure between the printing roller and the bottom roller and between the printing roller and the screen roller, so that the pressure adjustment range is ensured, and the influence on the use of the printing machine and even the damage of parts caused by overlarge pressure adjustment are avoided; the electrorheological fluid is adopted to adjust the positions of the plate roller and the screen roller, the solid-liquid conversion of the electrorheological fluid is utilized, the reversibility is realized, the position adjustment is carried out by utilizing the liquid, and the stability of the device is improved by utilizing the solid.
3. The movable ink supply device is arranged, so that the influence of the position movement of the screen roller on the ink supply device is reduced, and the pressure between the ink plate and the screen roller can achieve the best ink supply effect.
Drawings
FIG. 1 is a schematic diagram of a printing machine with a flexographic print head according to the present invention;
FIG. 2 is an enlarged view of a portion of a position-limiting mechanism of a printing machine with a flexible printing head according to the present invention;
FIG. 3 is a schematic diagram of a limiting mechanism of a printing machine with a flexible printing head according to the present invention;
fig. 4 is a schematic view of a limiting box in a printing machine with a flexographic printing head according to the present invention.
In the figure: the device comprises a machine frame 1, a fixed frame body 2, a bottom roller 3, a plate roller 4, a screen roller 5, an ink supply mechanism 6, a limiting mechanism 7, a second mounting frame 8, a first mounting frame 9, a buffer tank 10, a second lifting tank 11, a second piston plate 12, a first piston plate 13, a power supply 14, electrorheological fluid 15, a first lifting tank 16, a first pump body 17, a limiting mechanism 18 and a second pump body 19;
6 ink supply mechanisms, 601 electric slide rails, 602 ink plates, 603 sliders and 604 vertical frames;
7, a limiting mechanism, 701 a limiting box, 702 sliding holes, 703 sliding rails, 704 through holes, 705 a reinforcing plate, 706 a gear seat, 707 gear teeth, 708 sliding gears and 709 a connecting plate;
18 limit mechanism, 1801 limit rod and 1802 slide block.
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.
Referring to fig. 1-4, a printing machine with a flexible printing head comprises a frame 1, wherein a bottom roller 3 is installed in the frame 1, a fixing frame body 2 is fixedly installed on the side wall of the frame 1, a printing roller 4 is installed in the fixing frame body 2 through a first lifting mechanism, the printing roller 4 is in contact with the bottom roller 3, an included angle α between a connecting line between the axis of the bottom roller 3 and the axis of the printing roller 4 and a horizontal plane is 3-15 degrees, namely, α is not less than 3 degrees and not more than 15 degrees, a screen roller 5 is installed on the printing roller mechanism through a second lifting mechanism, the printing roller 4 is in contact with the screen roller 5, and an included angle β between a connecting line between the axis of the screen shaft 5 and the axis of the printing roller 4 and the horizontal plane is 3-15 degrees, namely, β is not less than 3;
a limiting mechanism 7 is fixedly arranged on the fixed frame body 2, and an ink supply mechanism 6 is movably connected to the limiting mechanism 7;
the limiting mechanism 7 comprises a limiting box 701, a gear seat 706 is fixedly installed inside the limiting box 701, gear teeth 707 are uniformly distributed on the gear seat 706, two through holes 704 are symmetrically formed in the upper end face of the limiting box 701, a sliding groove is formed in the inner side wall of one side of the limiting box 701, a bearing seat is connected in the sliding groove in a sliding mode, a sliding hole 702 and two sliding rails 703 are formed in the side wall of the other side of the limiting box 701, a motor is connected to the two sliding rails 703 in a sliding mode, the tail end of an output shaft of the motor is installed on the bearing seat through a bearing, two connecting plates 709 and a sliding gear 708 are symmetrically installed on the output shaft of the motor, each connecting plate 709 penetrates through the through hole 704 corresponding to the position and is fixedly connected to the lower end of the ink supply mechanism 6, and the;
during working, before the pressure between the printing roller 4 and the bottom roller 3 and between the printing roller 4 and the screen roller 5 needs to be adjusted, the sliding gear 708 is driven to rotate through the motor, the ink supply mechanism 6 is driven to move in the direction away from the screen roller 5 through the meshing between the sliding gear 708 and the gear teeth 707, and the operation is stopped until the ink supply mechanism 6 and the screen roller 5 are separated by a certain distance, so that the pressure between the screen roller 5 and the ink supply mechanism 6 is not changed on the premise that the pressure between the printing roller 4 and the screen roller 5 and the pressure between the printing roller 4 and the bottom roller 3 are adjustable, the pressure value between the ink supply mechanism 6 and the screen roller 5 can achieve a good inking effect, and the influence of the pressure adjustment between the screen roller 5 and the printing roller 4 on the inking effect is reduced;
when the pressure between the printing roller 4 and the bottom roller 3 and the pressure between the printing roller 4 and the mesh roller 5 are adjusted, the height of the printing roller 4 is first adjusted by the first lifting mechanismIn the illustrated state, when α is not 0, the bottom roller 3 is in contact with the plate roller 4, indicating that the pressure between the bottom roller 3 and the plate roller 4 is 0, and the height of the plate roller 4 is reduced, the pressure between the plate roller 4 and the bottom roller 3 can be increased, and the pressure is analyzed by physics, and when the line connecting the axis of the plate roller 4 and the axis of the bottom roller 3 coincides with the horizontal line, the maximum value of the pressure is obtained, and the pressure value between the plate roller 4 and the bottom roller 3 at this time is set to be F1In this case, the pressure between the form roll 4 and the bottom roll 3 can be reduced regardless of whether the height of the form roll 4 is reduced or increased, and the pressure between the bottom roll 3 and the form roll 4 falls within the range of [0, F1]Similarly, it can be seen that, when the maximum pressure value between the plate roller 4 and the mesh roller 5 is the line connecting the axes of the plate roller 4 and the mesh roller 5 and the horizontal line coincide with each other, the pressure value between the plate roller 4 and the mesh roller 5 at this time is F2The pressure range between the screen roller 5 and the plate roller 4 is [0, F ]2]The pressure adjustment range is ensured, and the influence on the use of the printing machine and even the damage of parts caused by overlarge pressure adjustment are avoided;
after the pressure adjustment between the printing roller 4 and the bottom roller 3 and between the printing roller 4 and the mesh roller 5 is completed, the motor drives the ink supply mechanism 6 to contact with the mesh roller 5, and the influence of the ink supply mechanism 6 on the pressure adjustment is reduced.
As an embodiment of the present invention, the first lifting mechanism includes a first mounting frame 9 and a first lifting box 16, and the printing roller 4 is mounted on the first mounting frame 9 through a bearing, and the first lifting box 16 is fixedly connected to the fixed frame body 2, the lower end of the first mounting frame 9 is fixedly mounted with a first piston plate 13, and the first piston plate 13 is slidably connected inside the first lifting box 16;
the second lifting mechanism comprises a second mounting frame 8 and a second lifting box 11, the net roller 5 is mounted on the second mounting frame 8 through a bearing, the second lifting box 11 is fixedly connected to the first mounting frame 9, a second piston plate 12 is fixedly mounted at the lower end of the second mounting frame 8, and the second piston plate 12 is slidably connected inside the second lifting box 11;
a buffer tank 10 is fixedly mounted on the inner side wall of the fixed frame body 2, a first pump body 17 and a second pump body 19 are fixedly mounted on the upper end surface of the fixed frame body 2 and the lower end surface of the second lifting tank 11 respectively, the input ends of the first pump body 17 and the second pump body 19 are communicated with the first lifting tank 16 and the second lifting tank 11 respectively through pipelines, the output ends of the first pump body 17 and the second pump body 19 are communicated with the buffer tank 10 through pipelines, and electrorheological fluid 15 is arranged inside the buffer tank 10, the first lifting tank 16 and the second lifting tank 11;
the first lifting box 16 and the second lifting box 11 are both made of conductive materials, a power supply 14 is fixedly installed on the upper end face of the fixed frame body 2, and the power supply 14, the first lifting box 16 and the second lifting box 11 are connected in series through a wire;
when the device works, when the heights of the plate roller 4 and the mesh roller 5 are adjusted, the first pump body 17 is firstly opened, the first pump body 17 pumps the electrorheological fluid 15 into the first lifting box 16 or pumps the electrorheological fluid 15 in the first lifting box 16 into the buffer box 10 according to requirements, when the electrorheological fluid 15 in the first lifting box 16 increases, the electrorheological fluid 15 pushes the first piston plate 13 to move upwards to realize the position lifting of the plate roller 4, when the electrorheological fluid 15 in the first lifting box 16 decreases, the gravity of the plate roller 4 and the first mounting frame 9 pushes the first piston plate 13 to move downwards until the first piston plate 13 moves to the surface of the electrorheological fluid 15, at the moment, the buoyancy force is balanced with the gravity of the plate roller 4, the first mounting frame 9 and the first piston plate 13 stops moving, the position of the plate roller 4 is adjusted to realize the adjustment of the pressure between the plate roller 4 and the bottom roller 3, and at the moment, the pressure between the plate roller 4 and the mesh roller 5 does not change, after the pressure between the plate roller 4 and the bottom roller 3 is adjusted to a desired value, the second pump body 19 is opened, electrorheological fluid 15 is pumped into the second lifting box 11 or electrorheological fluid 15 in the second lifting box 11 is pumped into the buffer box 10 according to the requirement, the adjustment principle is the same as the principle, after the pressure between the plate roller 4 and the mesh roller 5 is adjusted to the desired value, the power supply 14 is opened, the power supply 14 sequentially supplies electricity to the first lifting box 16 and the second lifting box 11 through a lead, and the first lifting box 16 and the second lifting box 11 are both made of conductive materials, so that the electrorheological fluid 15 in the first lifting box 16 and the second lifting box 11 are both electrified to be solid, sufficient supporting force is provided when the plate roller 4 and the mesh roller 5 work, and the stability of the device is improved.
As an embodiment of the present invention, the first lifting mechanism and the second lifting mechanism are both provided with a limiting mechanism 18, the limiting mechanism 18 includes a sliding block 1802 and a limiting rod 1801, the sliding block 1802 is slidably connected to the limiting rod 1801, the sliding block 1802 is fixedly mounted on the first lifting mechanism or the second lifting mechanism, and the limiting rod 1801 is fixedly mounted on the upper end surface of the fixing frame body 2; during operation, during first hoist mechanism and the motion of second hoist mechanism, drive fixed mounting at first hoist mechanism, the sliding block 1802 on the second hoist mechanism removes, because sliding block 1802 overlaps and establishes on gag lever post 1801, so sliding block 1802 slides on gag lever post 1801, can strengthen the stability that first hoist mechanism and second hoist mechanism removed, reduce rocking of removing in-process first hoist mechanism or second hoist mechanism, rock and can cause collision between version roller 4 and bottom roll 3 or version roller 4 and the net roller 5, cause the damage of spare part.
As an embodiment of the invention, the upper end face of the limiting box 701 and the side face far away from the rack 1 are transited through a cambered surface, and the radian of the cambered surface is
The upper end surface of the gear seat 706 is in transition with the side surface far away from the rack 1 through an arc surface, and the radian of the arc surface is
Gear teeth 707 are uniformly distributed on the arc surface of the gear seat 706, each through hole 704 is distributed on the upper end surface and the arc surface of the limiting box 701, the hole wall of one end of each through hole 704 and the upper end surface of the side wall of the limiting box 701 are located on the same horizontal plane, a reinforcing plate 705 is fixedly arranged on the outer side wall of the limiting box 701 away from the rack 1, and the upper end surface of the reinforcing plate 705 and the hole wall of each through hole 704 are located on the same horizontal plane;
during operation, the motor can drive the sliding gear 708 to move in the direction away from the screen roller 5, when the sliding gear 708 moves to the arc surface, the sliding gear 708 can stably drive the ink supply device 6 to rotate through meshing with the gear teeth 707 until the ink supply device 6 moves to the horizontal state, and an operator can drive the ink supply device 6 to move to the horizontal stateThe reinforcing plate 705 can increase the contact area between the limiting box 701 and the ink supply device 6 and enhance the stability of the ink supply device 6 in the horizontal state by performing operations such as cleaning, maintenance and replacement on the ink supply device 6; wherein the content of the first and second substances,
the curvature ensures that the sliding gear 708 and the gear teeth 707 are always engaged, and the ink supply device 6 can move smoothly to the horizontal state.
As an embodiment of the present invention, the ink supply mechanism 6 includes a vertical frame 604, an electric slide rail 601 is disposed on the vertical frame 604, a slide block 603 is slidably connected to the electric slide rail 601, a card seat is fixedly connected to the slide block 603, and an ink plate 602 is clamped on the card seat; during operation, the electric slide rail 601 can drive the ink plate 602 to move along the direction of the electric slide rail 601, so that the pressure between the ink plate 601 and the screen roller 5 can achieve the best inking effect.
The specific working process is as follows:
before the pressure between the plate roller 4 and the bottom roller 3 and the pressure between the plate roller 4 and the mesh roller 5 need to be adjusted, the sliding gear 708 is driven to rotate through the motor, and the ink supply mechanism 6 is driven to move in the direction far away from the mesh roller 5 through the meshing between the sliding gear 708 and the gear teeth 707 until the ink supply mechanism 6 and the mesh roller 5 are separated by a certain distance and then stop; when the heights of the plate roller 4 and the mesh roller 5 are adjusted, firstly, a first pump body 17 is opened, the first pump body 17 pumps electro-rheological fluid 15 into a first lifting box 16 or pumps the electro-rheological fluid 15 in the first lifting box 16 into a buffer box 10 according to requirements, the pressure between the plate roller 4 and the mesh roller 5 does not change at the moment, after the pressure between the plate roller 4 and the bottom roller 3 is adjusted to a desired value, a second pump body 19 is opened, the electro-rheological fluid 15 into a second lifting box 11 or the electro-rheological fluid 15 in the second lifting box 11 is pumped into the buffer box 10 according to requirements, after the pressure between the plate roller 4 and the mesh roller 5 is adjusted to the desired value, a power supply 14 is opened, the power supply 14 sequentially supplies electricity to the first lifting box 16 and the second lifting box 11 through leads, and the electro-rheological fluid 15 in the first lifting box 16 and the second lifting box 11 are both made of conductive materials, so that the electro-rheological fluid 15 in the first lifting box 16 and the second lifting box 11 are both changed into a solid state, when the plate roller 4 and the screen roller 5 work, enough supporting force is provided, and the stability of the device is improved; after the pressure adjustment between the plate roller 4 and the bottom roller 3 and between the plate roller 4 and the mesh roller 5 is completed, the motor drives the ink supply mechanism 6 to contact with the mesh roller 5.
It should be noted that the motor, the power supply, the electric slide rail and other devices are all controlled by the controller, which is a mature technology in the prior art and is not described herein, and meanwhile, the ink plate 602 is provided with the pressure sensor, which can receive the end inside the controller, so that the controller automatically closes the motor and the electric slide rail after reaching a certain pressure value.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a printing machine with flexographic printing head, includes frame (1), install bottom roll (3) in frame (1), fixed mounting has fixed support body (2), its characterized in that on the lateral wall of frame (1): a printing roller (4) is installed in the fixed frame body (2) through a first lifting mechanism, the printing roller (4) is in contact with a bottom roller (3), an included angle alpha between a connecting line between the axis of the bottom roller (3) and the axis of the printing roller (4) and a horizontal plane is 3-15 degrees, namely, the included angle alpha is more than or equal to 3 degrees and less than or equal to 15 degrees, a mesh roller (5) is installed on the printing roller mechanism through a second lifting mechanism, the printing roller (4) is in contact with the mesh roller (5), an included angle beta between the connecting line between the axis of the mesh shaft (5) and the axis of the printing roller (4) and the horizontal plane is 3-15 degrees, namely, the included angle beta is more than or equal to 3;
a limiting mechanism (7) is fixedly arranged on the fixed frame body (2), and an ink supply mechanism (6) is movably connected to the limiting mechanism (7);
the limiting mechanism (7) comprises a limiting box (701), a gear seat (706) is fixedly installed inside the limiting box (701), gear teeth (707) are uniformly distributed on the gear seat (706), two through holes (704) are symmetrically formed in the upper end face of the limiting box (701), a sliding groove is formed in the inner side wall of one side of the limiting box (701), a bearing seat is connected in the sliding groove in a sliding mode, a sliding hole (702) and two sliding rails (703) are formed in the side wall of the other side of the limiting box (701), a motor is connected on the two sliding rails (703) in a sliding mode, the tail end of an output shaft of the motor is installed on the bearing seat through a bearing, two connecting plates (709) and one sliding gear (708) are symmetrically installed on the output shaft of the motor, and each connecting plate (709) penetrates through the through hole (704) corresponding to the position and is fixedly connected to the lower end of, and the sliding gear (708) is engaged with the gear teeth (707).
2. A printer having a flexographic print head according to claim 1, wherein: the first lifting mechanism comprises a first mounting frame (9) and a first lifting box (16), the printing roller (4) is mounted on the first mounting frame (9) through a bearing, the first lifting box (16) is fixedly connected onto the fixed frame body (2), a first piston plate (13) is fixedly mounted at the lower end of the first mounting frame (9), and the first piston plate (13) is slidably connected into the first lifting box (16);
the second lifting mechanism comprises a second mounting frame (8) and a second lifting box (11), the net roller (5) is mounted on the second mounting frame (8) through a bearing, the second lifting box (11) is fixedly connected onto the first mounting frame (9), a second piston plate (12) is fixedly mounted at the lower end of the second mounting frame (8), and the second piston plate (12) is slidably connected into the second lifting box (11);
the electrorheological fluid pump is characterized in that a buffer tank (10) is fixedly mounted on the inner side wall of the fixed frame body (2), a first pump body (17) and a second pump body (19) are fixedly mounted on the upper end face of the fixed frame body (2) and the lower end face of the second lifting tank (11) respectively, the input ends of the first pump body (17) and the second pump body (19) are communicated with the first lifting tank (16) and the second lifting tank (11) through pipelines respectively, the output ends of the first pump body (17) and the second pump body (19) are communicated with the buffer tank (10) through pipelines, and electrorheological fluid (15) is arranged in the buffer tank (10), the first lifting tank (16) and the second lifting tank (11);
first lifting box (16) and second lifting box (11) all adopt conducting material to make, the up end fixed mounting of fixed support body (2) has power (14), establish ties through the wire between power (14), first lifting box (16) and the second lifting box (11).
3. A printer having a flexographic print head according to claim 1, wherein: all install stop gear (18) on first hoist mechanism and the second hoist mechanism, stop gear (18) include sliding block (1802) and gag lever post (1801), and sliding block (1802) sliding connection is on gag lever post (1801), sliding block (1802) fixed mounting is on first hoist mechanism or second hoist mechanism, gag lever post (1801) fixed mounting has the up end of fixed support body (2).
4. A printer having a flexographic print head according to claim 1, wherein: the upper end surface of the limiting box (701) is transited with the side surface far away from the rack (1) through an arc surface, and the radian of the arc surface is
The upper end face of the gear seat (706) is in transition with the side face far away from the rack (1) through an arc surface, and the radian of the arc surface is
The gear teeth (707) are uniformly distributed on the cambered surface of the gear seat (706), each through hole (704) is distributed on the upper end surface and the cambered surface of the limiting box (701), and the hole wall of one end of each through hole (704) and the upper end surface of the side wall of the limiting box (701) are positioned on the same horizontal plane.
5. A printer with a flexographic print head according to claim 4, characterized in that: and a reinforcing plate (705) is fixedly arranged on the outer side wall of the limiting box (701) far away from the rack (1), and the upper end surface of the reinforcing plate (705) and the hole wall of the through hole (704) are positioned on the same horizontal plane.
6. A printer having a flexographic print head according to claim 1, wherein: the ink supply mechanism (6) comprises a vertical frame (604), an electric sliding rail (601) is arranged on the vertical frame (604), a sliding block (603) is connected onto the electric sliding rail (601) in a sliding manner, a clamping seat is fixedly connected onto the sliding block (603), and an ink plate (602) is clamped onto the clamping seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011012317.9A CN112123935A (en) | 2020-09-23 | 2020-09-23 | Printing machine with flexible printing head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011012317.9A CN112123935A (en) | 2020-09-23 | 2020-09-23 | Printing machine with flexible printing head |
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| Publication Number | Publication Date |
|---|---|
| CN112123935A true CN112123935A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011012317.9A Pending CN112123935A (en) | 2020-09-23 | 2020-09-23 | Printing machine with flexible printing head |
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| CN (1) | CN112123935A (en) |
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|---|---|---|---|---|
| EP0393336A1 (en) * | 1989-04-21 | 1990-10-24 | GRAPHIC MACHINE SERVICE S.r.l. | A flexographic machine |
| CN101151156A (en) * | 2005-03-29 | 2008-03-26 | 艾玛计划有限公司 | Printing machine |
| CN104985915A (en) * | 2015-08-17 | 2015-10-21 | 福建省晋江市佶龙机械工业有限公司 | Flexographic printing head of multifunctional wallpaper machine |
| CN204998101U (en) * | 2015-08-24 | 2016-01-27 | 莆田市东南纸业工贸有限公司 | But flexographic printing machine that adjustable china ink trench was put |
| CN107757076A (en) * | 2016-08-15 | 2018-03-06 | 方正汇智（天津）彩色印刷股份公司 | Printing machine with flexographic printing head |
| CN207549732U (en) * | 2017-12-12 | 2018-06-29 | 联盛（厦门）彩印有限公司 | Convenient for the printing machine ink tank of cleaning |
| CN110315215A (en) * | 2019-08-01 | 2019-10-11 | 南理工泰兴智能制造研究院有限公司 | The laser on-line marking method and apparatus of packaging material for surface coating |
| CN209580783U (en) * | 2018-12-17 | 2019-11-05 | 罗熙进 | A kind of soft version printing device and the printer with it |
-
2020
- 2020-09-23 CN CN202011012317.9A patent/CN112123935A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0393336A1 (en) * | 1989-04-21 | 1990-10-24 | GRAPHIC MACHINE SERVICE S.r.l. | A flexographic machine |
| CN101151156A (en) * | 2005-03-29 | 2008-03-26 | 艾玛计划有限公司 | Printing machine |
| CN104985915A (en) * | 2015-08-17 | 2015-10-21 | 福建省晋江市佶龙机械工业有限公司 | Flexographic printing head of multifunctional wallpaper machine |
| CN204998101U (en) * | 2015-08-24 | 2016-01-27 | 莆田市东南纸业工贸有限公司 | But flexographic printing machine that adjustable china ink trench was put |
| CN107757076A (en) * | 2016-08-15 | 2018-03-06 | 方正汇智（天津）彩色印刷股份公司 | Printing machine with flexographic printing head |
| CN207549732U (en) * | 2017-12-12 | 2018-06-29 | 联盛（厦门）彩印有限公司 | Convenient for the printing machine ink tank of cleaning |
| CN209580783U (en) * | 2018-12-17 | 2019-11-05 | 罗熙进 | A kind of soft version printing device and the printer with it |
| CN110315215A (en) * | 2019-08-01 | 2019-10-11 | 南理工泰兴智能制造研究院有限公司 | The laser on-line marking method and apparatus of packaging material for surface coating |
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