CN107685977B - Chain tensioning mechanism of sheet preheating device of iron printing machine - Google Patents
Chain tensioning mechanism of sheet preheating device of iron printing machine Download PDFInfo
- Publication number
- CN107685977B CN107685977B CN201710691409.6A CN201710691409A CN107685977B CN 107685977 B CN107685977 B CN 107685977B CN 201710691409 A CN201710691409 A CN 201710691409A CN 107685977 B CN107685977 B CN 107685977B
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- Prior art keywords
- chain
- tensioning
- drying box
- fixing piece
- wheel
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Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 39
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 33
- 230000001360 synchronised effect Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000005028 tinplate Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000013324 preserved food Nutrition 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The chain tensioning mechanism of the sheet preheating device of the iron printing machine comprises a drying box of the sheet preheating device, wherein the drying box comprises a driving side machine body plate and a driven side machine body plate, a row of support shafts which are movably connected to the machine body plate are horizontally arranged in the drying box, one end of each support shaft is a driving end, and the other end of each support shaft is a driven end; a support shaft synchronous driving mechanism connected to the support shaft driving end is arranged on the driving side body plate of the drying box; the synchronous driving mechanism of the support shaft comprises a double-row chain wheel arranged on the driving end of the support shaft and a roller chain which is movably connected with the double-row chain wheel in a staggered and parallel manner; a chain tensioning mechanism is arranged below the roller chain. The chain tensioning mechanism comprises a tensioning wheel, a first tensioning rod, a second tensioning rod, a first fixing piece, a second fixing piece, a bearing pin and a bearing. The top of the tension wheel is movably positioned in the middle below the roller chain. The device is prevented from loosening to cause unstable operation of the supporting shaft or overlarge noise caused by collision of the chain and the gear when the device is started, and the device has reasonable structural design and stable and reliable operation.
Description
Technical Field
The invention belongs to the technical field of printing equipment, relates to a sheet preheating device of an iron printing machine, and particularly relates to a chain tensioning mechanism of the sheet preheating device of the iron printing machine.
Background
In tin printing production, the drying of paint and ink is a complex physicochemical reaction process. The tin plate is insoluble in water and does not absorb solvents, so that the surface of a metal sheet is generally subjected to priming and drying through a coating before entering an iron printing machine for inking, but if the surface drying effect of the coating is not ideal, the surface is sticky, the later printing effect is affected if the film is not completely solidified, if the coating and the ink are not completely solidified, the phenomenon of tender paint film is caused by drying, the surface pattern is extremely easy to color or scratch, and especially when the tin plate is used as a container material for canned food or beverage, the food or beverage is directly contacted with the tin plate, and the taste is not changed until the shelf life of the tin plate is reached, so that the body health is affected.
Therefore, if the metal sheet is subjected to necessary preheating treatment during the conveyance before printing, it is certainly very important for the entire printing process, and it can improve not only the printability of the sheet but also the print quality in the later stage.
Therefore, a sheet preheating device is additionally arranged between the cleaning device and the pushing device of the iron printing machine, and the sheet preheating device does have unexpected effects for improving the adhesive force and stability of materials to colors, improving corresponding mechanical properties and the like.
However, practice shows that when the sheet preheating device is started, the loose roller chain of the sheet preheating device often causes unstable operation of the supporting shaft or the phenomenon that the chain and the gear collide and run to generate excessive noise.
Disclosure of Invention
The invention aims to overcome the defects or the defects of the prior art, and provides a chain tensioning mechanism of a sheet preheating device of an iron printing machine, which can avoid the technical problems that a supporting shaft is not stable to operate due to too loose roller chains or the chain collides with a gear to generate overlarge noise when the device is started.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the chain tensioning mechanism of the sheet preheating device of the iron printing machine comprises a drying box positioned at the upper part of the sheet preheating device and is characterized in that,
The drying box comprises a driving side machine body plate and a driven side machine body plate at two longitudinal sides, an upper row of hot air pipes with air outlets and a lower row of hot air pipes are longitudinally and horizontally arranged in the drying box, a row of support shafts are horizontally arranged between the upper row of hot air pipes and the lower row of hot air pipes, and two ends of the support shafts are respectively and movably connected to the driving side machine body plate and the driven side machine body plate of the drying box; each supporting shaft is provided with a plurality of cushion wheels for conveying the sheet materials and magnetic wheels for preventing fly swiftly on the sheet materials in a positioning sleeve manner;
One end of the supporting shaft, which is positioned outside the driving side body plate of the drying box, is a driving end, and the driving side body plate of the drying box is provided with a supporting shaft synchronous driving mechanism connected to the driving end of the supporting shaft;
The synchronous driving mechanism of the support shaft comprises a double-row chain wheel arranged at the driving end of the support shaft and a roller chain which is movably connected with the double-row chain wheel in an inner-outer staggered parallel manner;
A chain tensioning mechanism is arranged below the roller chain.
The chain tensioning mechanism of the sheet preheating device of the iron printing machine, wherein,
The chain tensioning mechanism comprises two sets of chain tensioning mechanisms which are composed of a tensioning wheel, a first tensioning rod, a second tensioning rod, a first fixing piece, a second fixing piece, a bearing pin and a bearing;
The device comprises a first chain tensioning mechanism, a tensioning wheel, a first fixing piece, a bearing, a roller chain, a first fixing piece, a second fixing piece, a first chain tensioning mechanism, a second chain tensioning mechanism, a first fixing piece, a second fixing piece and a second fixing piece, wherein the tensioning wheel of the first chain tensioning mechanism is indirectly connected to the first fixing piece through a bearing pin connected with a first tensioning rod, the bearing is arranged between the tensioning wheel and the bearing pin, and the top of the tensioning wheel is movably located at the middle position below the roller chain.
Further, the method comprises the steps of,
The first tensioning rod is a strip-shaped plate, and the first fixing piece is an L-shaped plate; the first tensioning rod is connected with the vertical plate surface of the first fixing piece through screw positioning, and the horizontal plate surface of the first fixing piece is connected to the bottom of the drying box of the sheet preheating device through screw positioning;
The vertical plate surface of the first tensioning rod and the horizontal plate surface of the first fixing piece are respectively provided with a U-shaped installation adjusting groove; the U-shaped installation adjusting groove can be used for adjusting the longitudinal installation position of the tensioning wheel and the transverse installation position of the tensioning wheel.
Compared with the prior art, the chain tensioning mechanism of the sheet preheating device of the metal printing machine has the following advantages:
after the metal sheet is heated by the preheating device, the coating printed on the metal sheet can be firmly adhered to the metal sheet, the coating layer is harder and durable, the later ink is colored with higher glossiness, and the coloring is more gorgeous and durable without deterioration. The adhesive force and stability of the material to the color are improved, the corresponding mechanical property is improved, the machine can effectively perform rapid printing operation, and the later printing quality is ensured.
The chain tensioning mechanism can effectively avoid the technical problems that the supporting shaft is not stable to operate due to the fact that a roller chain is too loose when the device is started, or the chain collides with a gear to generate overlarge noise, and is simple in structure and reliable and stable in operation.
Drawings
FIG. 1 is a schematic view of a sheet preheating device projected from a discharge face to a feed face;
FIG. 2 is a left-hand structural schematic of FIG. 1;
FIG. 3 is an enlarged schematic view of the cross-section along the line D-D in FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 1;
fig. 5 is a schematic perspective view of a projected configuration of a driving side of the sheet preheating device.
Detailed Description
The structural features and advantageous effects of the present invention are further described below with reference to the accompanying drawings.
Referring to fig. 1, referring to fig. 2-5, the chain tensioning mechanism of the sheet preheating device of the iron printing machine provided by the invention adopts the key technical scheme that:
The invention relates to a chain tensioning mechanism of an iron printing machine sheet preheating device, which comprises a drying box 1 positioned at the upper part of the sheet preheating device, wherein the drying box 1 comprises a driving side machine body plate 1A and a driven side machine body plate 1B which are longitudinally arranged at two sides, a row of supporting shafts 8 which are movably connected on the two side machine body plates 1A and 1B and used for conveying sheets are horizontally arranged in the drying box 1, one end of each supporting shaft 8 is a driving end 8A, and the other end is a driven end.
A row of support shafts 8 are horizontally arranged between the upper and lower exhaust air pipes 7, and two ends of the support shafts 8 are respectively and movably connected to a driving side body plate 1A and a driven side body plate 1B of the drying box; each supporting shaft 8 is provided with a plurality of cushion wheels 10 for conveying the sheet material P and magnetic wheels 9 for preventing fly swiftly on the sheet material P in a positioning sleeve manner, and the figure 4 is referred to.
The bottom surface of the sheet material P clings to the top surfaces of the cushion wheel 10 and the magnetic wheel 9, enters from the feeding hole 1j of the drying box, and is conveyed from the discharging hole 1c of the drying box after being preheated.
Referring to fig. 1,2 and 5, a synchronous driving mechanism T of a supporting shaft 8 connected to a driving end 8A of the supporting shaft is arranged on a driving side machine body plate 1B of the drying box; the synchronous driving mechanism T of the supporting shaft 8 comprises a double-row chain wheel 11 arranged on the driving side plate 1B of the drying box 1 and a roller chain 104 which is movably connected with the double-row chain wheel in an inner-outer staggered parallel manner.
As shown in fig. 1 to 3, in order to avoid the technical problem that the supporting shaft 8 does not operate smoothly due to the fact that the roller chains 104 are too loose when the device is started, or the noise is too loud due to the fact that the chains collide with gears, a chain tensioning mechanism Z is arranged right below each roller chain 104.
In this embodiment, the chain tensioning mechanism Z includes two sets of tensioning mechanisms formed by combining a tensioning wheel 15, a first tensioning rod 16, a second tensioning rod 18, a first fixing piece 17, a second fixing piece 19, a bearing pin 14 and a bearing 105;
The tensioning wheel 15 of the first tensioning mechanism is indirectly connected to a first fixing piece 17 connected with the drying box driving side machine body plate 1A in a positioning mode through a bearing pin 14 connected with a first tensioning rod 16, a bearing 105 is arranged between the tensioning wheel 15 and the bearing pin 14, and the top of the tensioning wheel 15 is movably located at the middle position below the roller chain 104.
The first tensioning rod 16 is a strip-shaped plate, and the first fixing piece 17 is an L-shaped plate; the first tensioning rod 16 is in positioning connection with the vertical plate surface of the first fixing piece 17 through screws, and the horizontal plate surface of the first fixing piece 17 is in positioning connection with the bottom of the drying box 1;
U-shaped mounting adjusting grooves 16A and 17A are respectively formed in the vertical plate surface of the first tensioning rod 16 and the horizontal plate surface of the first fixing piece 17; the U-shaped mounting adjustment grooves 16A and 17A can be used for adjusting the longitudinal mounting position of the tensioner 15 relative to the roller chain 104 and the transverse mounting position thereof.
The structure and principle of the second chain tensioning mechanism formed by combining the second tensioning rod 18, the second fixing piece 19, the tensioning wheel 15, the bearing pin 14, the bearing 105 and the like are identical to those of the first chain tensioning mechanism, and are not repeated here.
The above embodiments are provided for illustrating the present invention and not for limiting the present invention, and various changes and modifications may be made by one skilled in the relevant art without departing from the spirit and scope of the present invention, and thus all equivalent technical solutions should be defined by the claims.
Claims (1)
1. The chain tensioning mechanism of the sheet preheating device of the iron printing machine comprises a drying box positioned at the upper part of the sheet preheating device and is characterized in that,
The drying box comprises a driving side machine body plate and a driven side machine body plate at two longitudinal sides, an upper row of hot air pipes with air outlets and a lower row of hot air pipes are longitudinally and horizontally arranged in the drying box, a row of support shafts are horizontally arranged between the upper row of hot air pipes and the lower row of hot air pipes, and two ends of the support shafts are respectively and movably connected to the driving side machine body plate and the driven side machine body plate of the drying box; each supporting shaft is provided with a plurality of cushion wheels for conveying the sheet materials and magnetic wheels for preventing fly swiftly on the sheet materials in a positioning sleeve manner;
One end of the supporting shaft, which is positioned outside the driving side body plate of the drying box, is a driving end, and the driving side body plate of the drying box is provided with a supporting shaft synchronous driving mechanism connected to the driving end of the supporting shaft;
The synchronous driving mechanism of the support shaft comprises a double-row chain wheel arranged at the driving end of the support shaft and a roller chain which is movably connected with the double-row chain wheel in an inner-outer staggered parallel manner;
a chain tensioning mechanism is arranged below the roller chain;
the chain tensioning mechanism comprises two sets of chain tensioning mechanisms which are composed of a tensioning wheel, a first tensioning rod, a second tensioning rod, a first fixing piece, a second fixing piece, a bearing pin and a bearing;
the tensioning wheel of the first chain tensioning mechanism is indirectly connected to a first fixing piece in positioning connection with the drying box through a bearing pin connected with a first tensioning rod, the bearing is arranged between the tensioning wheel and the bearing pin, and the top of the tensioning wheel is movably positioned at the middle position below the roller chain;
The first tensioning rod is a strip-shaped plate, and the first fixing piece is an L-shaped plate; the first tensioning rod is connected with the vertical plate surface of the first fixing piece through screw positioning, and the horizontal plate surface of the first fixing piece is connected to the bottom of the drying box of the sheet preheating device through screw positioning;
The vertical plate surface of the first tensioning rod and the horizontal plate surface of the first fixing piece are respectively provided with a U-shaped installation adjusting groove; the U-shaped installation adjusting groove can be used for adjusting the longitudinal installation position of the tensioning wheel and the transverse installation position of the tensioning wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710691409.6A CN107685977B (en) | 2017-08-14 | 2017-08-14 | Chain tensioning mechanism of sheet preheating device of iron printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710691409.6A CN107685977B (en) | 2017-08-14 | 2017-08-14 | Chain tensioning mechanism of sheet preheating device of iron printing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107685977A CN107685977A (en) | 2018-02-13 |
| CN107685977B true CN107685977B (en) | 2024-05-24 |
Family
ID=61153342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710691409.6A Active CN107685977B (en) | 2017-08-14 | 2017-08-14 | Chain tensioning mechanism of sheet preheating device of iron printing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN107685977B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0128367A2 (en) * | 1983-06-09 | 1984-12-19 | Heidelberger Druckmaschinen Aktiengesellschaft | Tensioning device for the endless delivery chain of the delivery mechanism of a printing machine |
| CN2119319U (en) * | 1992-03-12 | 1992-10-21 | 张永江 | High-efficient energy-saving drier for tinplate |
| CN2212497Y (en) * | 1995-03-14 | 1995-11-15 | 张永江 | Efficient energy-saving rotation printing iron drier |
| CN201979798U (en) * | 2011-01-27 | 2011-09-21 | 李玉龙 | Carrier chain device for metal printing machine |
| CN102717594A (en) * | 2012-05-24 | 2012-10-10 | 安徽省阜阳市宏洋实业有限公司 | Drying delivery production line structure for lithographed sheet |
| CN203477223U (en) * | 2013-03-25 | 2014-03-12 | 上海和鹰机电科技股份有限公司 | Bidirectional tension adjusting device |
| CN204056971U (en) * | 2014-07-10 | 2014-12-31 | 浙江申振机械科技有限公司 | A kind of roller express mail service freight conveyer |
| CN207107674U (en) * | 2017-08-14 | 2018-03-16 | 上海瑞源印刷设备有限公司 | The chain tension mechanism of iron-printing machine sheet material preheating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9221618B2 (en) * | 2012-11-06 | 2015-12-29 | AMF automation Technologies, LLC | Oven chain measurement system |
-
2017
- 2017-08-14 CN CN201710691409.6A patent/CN107685977B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0128367A2 (en) * | 1983-06-09 | 1984-12-19 | Heidelberger Druckmaschinen Aktiengesellschaft | Tensioning device for the endless delivery chain of the delivery mechanism of a printing machine |
| CN2119319U (en) * | 1992-03-12 | 1992-10-21 | 张永江 | High-efficient energy-saving drier for tinplate |
| CN2212497Y (en) * | 1995-03-14 | 1995-11-15 | 张永江 | Efficient energy-saving rotation printing iron drier |
| CN201979798U (en) * | 2011-01-27 | 2011-09-21 | 李玉龙 | Carrier chain device for metal printing machine |
| CN102717594A (en) * | 2012-05-24 | 2012-10-10 | 安徽省阜阳市宏洋实业有限公司 | Drying delivery production line structure for lithographed sheet |
| CN203477223U (en) * | 2013-03-25 | 2014-03-12 | 上海和鹰机电科技股份有限公司 | Bidirectional tension adjusting device |
| CN204056971U (en) * | 2014-07-10 | 2014-12-31 | 浙江申振机械科技有限公司 | A kind of roller express mail service freight conveyer |
| CN207107674U (en) * | 2017-08-14 | 2018-03-16 | 上海瑞源印刷设备有限公司 | The chain tension mechanism of iron-printing machine sheet material preheating device |
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| CN107685977A (en) | 2018-02-13 |
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