CN220517791U - Automatic air cooling device for offset press and offset press - Google Patents
Automatic air cooling device for offset press and offset press Download PDFInfo
- Publication number
- CN220517791U CN220517791U CN202321909542.1U CN202321909542U CN220517791U CN 220517791 U CN220517791 U CN 220517791U CN 202321909542 U CN202321909542 U CN 202321909542U CN 220517791 U CN220517791 U CN 220517791U
- Authority
- CN
- China
- Prior art keywords
- blowing
- blowing pipe
- cooling device
- offset press
- air cooling
- Prior art date
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 53
- 238000007664 blowing Methods 0.000 claims abstract description 82
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000007645 offset printing Methods 0.000 claims 4
- 238000004945 emulsification Methods 0.000 abstract description 4
- 229920006395 saturated elastomer Polymers 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The utility model provides an automatic air cooling device for an offset press and the offset press. The air inlet electromagnetic valve switch is arranged on the air inlet pipe, one end of the air blowing pipe far away from the air inlet pipe is closed, the fixed block is provided with a mounting hole and a first through hole, and at least one part of the air blowing pipe stretches into the mounting hole of the fixed block; the first through hole is internally provided with threads, locking screws are screwed in the threads, the blowing pipe is rotatably fixed in the fixed block, and the tail ends of the locking screws are abutted against the outer wall of the blowing pipe to fix the blowing pipe. The automatic air cooling device can effectively dissipate heat of the ink roller, so that the ink roller of the offset press can not generate heat when continuously operating for a long time, the ink emulsification is avoided, printing dots are kept clear, the color is saturated and stable, and the automatic air cooling device is suitable for offset presses of various types.
Description
Technical Field
The utility model relates to the technical field of lithographic printing equipment, in particular to an automatic air cooling device for an offset press and the offset press.
Background
Offset presses are one type of lithographic printing press in which the printed image is first printed from a plate onto a blanket cylinder and then transferred from the blanket cylinder to the paper. Offset presses are classified into single-sheet offset presses and web offset presses according to the paper feeding mode; the printing color number finished according to one paper feeding can be divided into single-color, double-color, four-color and multi-color printers; the largest paper width according to printing can be divided into small offset press, six-open, four-open, two-open and full-sheet paper press, and double-sided press capable of simultaneously finishing double-sided printing by one paper feeding. Sheet-fed offset presses are lithographic presses used to print high-grade commercial prints, packaging prints, and are the mainstream of modern paper printing.
During the production operation of the offset press, the machine continuously operates at a high speed, so that the ink roller rubs to generate heat, and ink emulsification is caused, and the printing quality is abnormal (including plate pasting, dry water, out of balance ink and water, and the like).
At present, cooling devices for solving the problems are mainly divided into a water cooling device and an air cooling device.
The water cooling device has the defects of large occupied area, high cost, high energy consumption, high maintenance cost and the like, and is generally used for machines with high configuration.
Compared with a water cooling device, the air cooling device has the advantages of small occupied area, low energy consumption, low cost and the like. However, the existing air cooling device is fixed in blowing direction, and most of the air cooling device is only suitable for offset presses of certain types and cannot be suitable for various offset presses.
Disclosure of Invention
The first object of the present utility model is to provide an automatic air cooling device for offset press, which is used for solving the problems that the blowing direction of the existing air cooling device is fixed and the existing air cooling device cannot be adapted to all offset presses.
A second object of the present utility model is to provide an offset press equipped with the automatic air-cooling device for an offset press as described above.
In order to achieve the first object, the automatic air cooling device for the offset press provided by the utility model comprises an air source, an air inlet electromagnetic valve switch, an air inlet pipe, a blowing pipe and a fixed block, wherein the air source, the air inlet electromagnetic valve switch and the air inlet pipe are all positioned at the same end of the blowing pipe, the two ends of the air inlet pipe are respectively connected with the air source and the blowing pipe, the air inlet electromagnetic valve switch is arranged on the air inlet pipe, one end, far away from the air inlet pipe, of the blowing pipe is closed, and a blowing hole is formed in the blowing pipe. The fixed block is provided with a mounting hole and a first through hole, and at least one part of the blowing pipe extends into the mounting hole of the fixed block; the first through hole is internally provided with threads, locking screws are screwed in the threads, the blowing pipe is rotatably fixed in the fixed block, and the tail ends of the locking screws are abutted against the outer wall of the blowing pipe to fix the blowing pipe.
According to the scheme, the automatic air cooling device can effectively radiate heat to the ink roller, so that the ink roller of the offset press can not generate heat when continuously operating for a long time, the ink emulsification is avoided, and printing dots are kept clear, saturated and stable.
The fixed blowing pipe of fixed block, simple structure, the energy consumption is low, and cost is with low costs, simple to operate, area is little, and the blowing pipe can be rotatory for the fixed block, through locking screw locking blowing pipe, after the offset press of different models is installed to the fixed block, also can realize rotatory blowing pipe, adjustment angle of blowing guarantees forced air cooling efficiency, the offset press of various models is adapted to. Meanwhile, almost zero faults are generated in the using process, so that daily maintenance work is reduced, and the working efficiency is greatly improved.
The further scheme is that the number of the blowing holes is multiple, the blowing holes are small holes with the diameter of 1 mm-1.5 mm, the distance between any two adjacent blowing holes is equal, and the distance is 15 mm-20 mm.
According to the scheme, the uniformly arranged blowing holes enable cooling to be uniform, and the cooling effect is better.
The further scheme is that an air valve switch for controlling the blowing quantity is arranged at the air inlet pipe.
According to the scheme, the air valve switch can control the cooling speed.
The further proposal is that the blowpipe is a hollow stainless steel blowpipe.
According to the scheme, the stainless steel is used, so that the service life of the blowing pipe is longer, and the cost caused by replacing the blowing pipe is saved.
In order to achieve the second object, the utility model provides an offset press, which comprises at least one frame and an automatic air cooling device for the offset press, wherein an ink distributing roller is arranged in the frame, the frame further comprises a cover plate which is detachably arranged, a vent hole is arranged on the cover plate, the automatic air cooling device is provided with a fixed block, the fixed block further comprises a second through hole, and the automatic air cooling device is arranged on one side of the frame provided with the cover plate through the second through hole.
According to the scheme, the fixing block is fixed on the offset press through the second through hole, so that the offset press is convenient to install and small in required space. The automatic air cooling equipment can cool the inside through the vent holes of the cover plate.
The further proposal is that the blowing hole of the blowing pipe is opposite to the ink distributing roller.
According to the scheme, the air blowing holes are opposite to the ink distributing roller, so that the ink emulsifying is not caused by heating of the ink distributing roller in the operation process of the offset press under the condition of small energy consumption, and clear printing dots, balanced ink and water and stable color are realized.
Further, the blowing pipe is 8 cm-10 cm longer than the inking roller.
According to the scheme, the blowing pipe is convenient to install, the ink roller is uniformly subjected to wind, and the cooling effect is good.
Further, the air inlet electromagnetic valve receives an operating signal output by a controller of the offset press.
According to the scheme, the electromagnetic valve is arranged at the air inlet pipe of the air blowing pipe, the air inlet electromagnetic valve receives the working signal output by the controller of the offset press, so that the working signal of the electromagnetic valve is synchronous with the pressure-combining signal of the offset press, when the offset press works while the electromagnetic valve works, the air blowing pipe starts to blow, and when the offset press stops working, the electromagnetic valve closes the air blowing pipe to stop blowing, so that the energy consumption is reduced as much as possible while the cooling effect is guaranteed.
Drawings
Fig. 1 is a schematic view of an automatic air cooling device for an offset press according to the present utility model.
Fig. 2 is a schematic structural view of a fixing block of an automatic air cooling device for an offset press according to the present utility model.
Fig. 3 is a right side view of an automatic air cooling device fixing block for an offset press according to the present utility model.
Fig. 4 is a cross-sectional view in the A-A direction.
Fig. 5 is a schematic structural view of a blowpipe of an automatic air cooling device for an offset press according to the present utility model.
Fig. 6 is a partial enlarged view of fig. 2.
Fig. 7 is a schematic view of the structure of an offset press according to the present utility model.
FIG. 8 is a schematic view of a hidden cover plate structure of an offset press according to the present utility model.
Fig. 9 is a top view of an offset press of the present utility model.
Fig. 10 is a sectional view in the B-B direction.
The utility model is further described below with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 to 6, the automatic air cooling device for an offset press of the present embodiment includes an air source (not shown), an air intake solenoid valve switch (not shown), an air intake pipe (not shown), a blowpipe 1, and two fixing blocks 2. The air source, the air inlet electromagnetic valve switch and the air inlet pipe are all positioned at the same end of the blowing pipe 1, the two ends of the air inlet pipe are respectively connected with the air source and the blowing pipe 1, the air inlet electromagnetic valve switch is arranged on the air inlet pipe, and one end of the blowing pipe, which is far away from the air inlet pipe, is closed. Referring to fig. 2 to 4, the fixing block 2 is provided with a mounting hole 21, a first through hole 22 and a second through hole 23. At least a portion of the blowpipe 1 extends into the mounting hole 21 of the fixed block. The first through hole 22 is internally provided with threads, locking screws are screwed in the threads, the blowing pipe 1 is rotatably fixed in the fixed block 2, and the tail ends of the locking screws are abutted on the outer wall of the blowing pipe 1 to fix the blowing pipe. Referring to fig. 5 and 6, the blowing pipe 1 is provided with a plurality of blowing holes 11, and the plurality of blowing holes 11 are aligned in a straight line. The distance between any two adjacent blowing holes 11 is equal and is 15 mm-20 mm. In the embodiment, the blowing hole 11 is a small hole with the diameter of 1 mm-1.5 mm, and the blowing pipe 1 is a hollow stainless steel blowing pipe. And an air valve switch for controlling the blowing quantity is also arranged at the air inlet pipe.
The automatic air cooling device for the offset press can effectively radiate heat to the ink roller, so that the ink roller of the offset press can not generate heat when the offset press is operated for a long time continuously, the ink emulsification is avoided, and printing dots are kept clear, saturated and stable.
The fixed blowing pipe 1 of fixed block 2, simple structure, the energy consumption is low, and the cost is with low costs, simple to operate, area is little, and blowing pipe 1 can be rotatory for fixed block 2, locks blowing pipe 1 through the locking screw, after offset press of different models is installed to fixed block 2, also can realize rotatory blowing pipe 1, adjusts the angle of blowing, guarantees air cooling efficiency, the offset press of various models is adapted. The air valve switch can control the cooling speed. Meanwhile, the automatic air cooling device for the offset press has almost zero faults in the using process, reduces daily maintenance work and greatly improves working efficiency.
Referring to fig. 7 to 10, the automatic air cooling device for an offset press of the present embodiment is mounted on the offset press. The offset press of the present embodiment includes five racks 33, five pedals 34, and the racks 33 and the pedals 34 are alternately arranged. The frame 33 is internally provided with the inking roller 31, and the frame 33 still includes demountable installation's apron 32, is provided with ventilation hole 321 on the apron 32, and automatic air cooling device passes through the second through-hole 23 of fixed block 2 to be installed in the one side that the frame 33 was equipped with apron 32. The blowing hole 11 of the blowing pipe 1 is opposite to the ink distributing roller 31, and the blowing pipe 1 is 8 cm-10 cm longer than the ink distributing roller 31.
The air source of the blowing pipe 1 can be provided by an independent air compressor or a workshop central air supply system, and the air pressure is more than 6 bar. In this embodiment, the air source of the automatic air cooling device is connected with the central compression air supply system of the workshop, an electromagnetic valve is installed at the interface for connecting air supply, the air inlet electromagnetic valve receives the working signal output by the controller of the offset press, so that the working signal of the electromagnetic valve is synchronous with the pressure combining signal of the offset press, when the offset press is in pressure combining operation, the electromagnetic valve works to enable the blowing pipe 1 to start blowing, and when the offset press stops working, the electromagnetic valve closes the blowing pipe to stop blowing, so that the energy consumption is reduced as much as possible while the cooling effect is ensured.
The blowing pipe 1 is opposite to the ink distributing roller 31, the automatic air cooling device can cool the inner ink distributing roller 31 through the vent hole 321 of the cover plate 32, the cooling efficiency is improved, the ink roller of the offset press can not heat in the running process under the condition of small energy consumption, and clear printing lattice points, balanced ink and water and stable colors are realized.
The above embodiments are merely preferred examples of the present utility model and are not intended to limit the scope of the present utility model, so that all equivalent changes or modifications made according to the structure, characteristics and principles of the present utility model are intended to be included in the scope of the present utility model.
Claims (8)
1. The utility model provides an offset press is with automatic forced air cooling device, includes wind regime, air inlet solenoid valve switch, intake pipe and blowing pipe, the wind regime the air inlet solenoid valve switch with the intake pipe all is located the same end of blowing pipe, the both ends of intake pipe are connected respectively the wind regime with the blowing pipe, the air inlet solenoid valve switch set up in the intake pipe, the blowing pipe is kept away from the one end of intake pipe is sealed, be provided with the blowhole on the blowing pipe, its characterized in that:
the automatic air cooling device further comprises a fixed block, wherein the fixed block is provided with a mounting hole and a first through hole, and at least one part of the blowing pipe extends into the mounting hole of the fixed block; the first through hole is internally provided with threads, locking screws are screwed in the threads, the blowing pipe is rotatably fixed in the fixed block, and the tail ends of the locking screws are abutted to the outer wall of the blowing pipe so as to fix the blowing pipe.
2. An automatic air cooling device for offset press according to claim 1, wherein:
the number of the blowing holes is multiple, the blowing holes are small holes with the diameter of 1 mm-1.5 mm, the distance between any two adjacent blowing holes is equal, and the distance is 15 mm-20 mm.
3. An automatic air cooling device for offset press according to claim 1, wherein:
the air inlet pipe is provided with an air valve switch for controlling the blowing quantity.
4. An automatic air cooling apparatus for offset printing press according to any one of claims 1 to 3, wherein:
the blowpipe is a hollow stainless steel blowpipe.
5. The utility model provides an offset press, includes at least one frame, be provided with the cluster roller in the frame, the frame still includes demountable installation's apron, be provided with ventilation hole, its characterized in that on the apron:
the offset press further comprises an automatic air cooling device for the offset press according to any one of claims 1 to 4, wherein the automatic air cooling device is provided with a fixed block, the fixed block further comprises a second through hole, and the automatic air cooling device is installed on one side of the frame provided with the cover plate through the second through hole.
6. The offset printing press as recited in claim 5 wherein:
the blowing hole of the blowing pipe is opposite to the ink distributing roller.
7. The offset printing press as recited in claim 6 wherein:
the length of the blowing pipe is 8 cm-10 cm longer than that of the ink distributing roller.
8. The offset printing press as recited in claim 7 wherein:
the air inlet electromagnetic valve receives a working signal output by a controller of the offset press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321909542.1U CN220517791U (en) | 2023-07-19 | 2023-07-19 | Automatic air cooling device for offset press and offset press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321909542.1U CN220517791U (en) | 2023-07-19 | 2023-07-19 | Automatic air cooling device for offset press and offset press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220517791U true CN220517791U (en) | 2024-02-23 |
Family
ID=89923257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321909542.1U Active CN220517791U (en) | 2023-07-19 | 2023-07-19 | Automatic air cooling device for offset press and offset press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220517791U (en) |
-
2023
- 2023-07-19 CN CN202321909542.1U patent/CN220517791U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR0163768B1 (en) | Combination rotary printing machine, particularly for printing securities | |
| JP2877705B2 (en) | Printing machine for anhydrous offset printing | |
| US5136942A (en) | Web-fed printing machine for recto-verso printing especially of banknotes | |
| JP2009511304A (en) | Printing press with modular additional printing group | |
| SE507645C2 (en) | Multicolor roll rotation printing presses for accident printing | |
| CN220517791U (en) | Automatic air cooling device for offset press and offset press | |
| JP5027141B2 (en) | Rotary printing machine | |
| JP4698143B2 (en) | Integrated ink rail assembly applied to a printing press | |
| US4909148A (en) | Drop-in print station for multi-color printing press | |
| GB2306914A (en) | Device for cooling the surface of the blanket of a printing unit of a rotary printing press | |
| JP2008509017A (en) | Dampening control method for printing press | |
| CN214727243U (en) | Double-sided printing device | |
| CN214522797U (en) | Composite printing machine | |
| CN210881277U (en) | Printing machine convenient to adjust printing roller | |
| CN110561890B (en) | Combined intelligent printing machine | |
| US20020100381A1 (en) | Web-fed rotary printing machine | |
| CN209320467U (en) | A kind of roll web double-side printer | |
| CN218928947U (en) | Drying device for offset press | |
| CN112477380A (en) | Four-opening code offset printing method | |
| CN112829468A (en) | Composite printing machine | |
| JP4605761B2 (en) | Printing machine for rotary press | |
| CN213056376U (en) | Printing roller cooling device for printing equipment | |
| CN214137817U (en) | Multicolor printing machine for high-precision printing | |
| CN217197413U (en) | Drying device of ink bicolor printing machine | |
| US4656940A (en) | Metering roll system for printing press |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |