CN104552503A - Continuous pneumatic floating-press short-cycle veneering hot press - Google Patents
Continuous pneumatic floating-press short-cycle veneering hot press Download PDFInfo
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- CN104552503A CN104552503A CN201510051630.6A CN201510051630A CN104552503A CN 104552503 A CN104552503 A CN 104552503A CN 201510051630 A CN201510051630 A CN 201510051630A CN 104552503 A CN104552503 A CN 104552503A
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- hot
- steel band
- hot press
- belt conveyor
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D3/00—Veneer presses; Press plates; Plywood presses
- B27D3/02—Veneer presses; Press plates; Plywood presses with a plurality of press plates, i.e. multi- platen hot presses
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
The invention relates to the technical field of wood plate decorative veneering processing, in particular to a continuous pneumatic floating-press short-cycle veneering hot press. The continuous hot press comprises an upper hot press plate, a lower hot press plate, an upper steel belt, a lower steel belt, an upper conveying drive piece, a lower conveying drive piece and upper pressing drive pieces, the upper steel belt and the lower steel belt are in opposite up-down arraignment, the lower hot press plate is supported below the lower steel belt, the upper press plate is pressed on the upper steel belt under drive of the upper pressing drive pieces arranged above the upper press plate, a channel for pressing plate blanks is formed between the upper steel belt and the lower steel belt, and the plate blanks are heated and pressurized to be glued during continuous forward movement between the upper steel belt and the lower steel belt; hot air is injected to positions between the upper and lower press plates and the steel belts to enable the steel belts to float, and friction between the steel belts and the hot press plates is reduced, so that continuous and automatic feeding for hot pressing is achieved, time for loading and unloading of the multilayer hot press is omitted, hot pressing speed and production efficiency are improved, pressure-free heating time for the plate blanks in the hot press is omitted, uniformity in heating and pressuring is achieved, and gluing quality is improved.
Description
Technical field
The present invention relates to the decorative faced processing technique field of sheet material, particularly relate to a kind of continuous pneumatic floating pressure short period speed veneering hot press.
Background technology
At present, in timber processing, sticking decorative panel on composite wood board surface is conventional process, and main purpose improves the decorative effect of plate surface.General base material adopts multi-plywood, particieboard or medium density fibre board (MDF), and after surface sticks decorative panel, sheet material outward appearance reaches the effect of precious high-quality timber.The common processes of current employing is sheet material assembly, precompressed or not precompressed, enter multi-daylight press hot-press gluing, because sheet material is the heating platen loading hot press a sheet by a sheet, hot press closed pair heating of plate blank has pressurizeed gummed, because the decorative panel sticked is very thin, pressing cycle is short, and load and unload slab time relative hot pressing time and will grow a lot, hot pressing speed and production efficiency low, simultaneously, slab heated time with no pressure in hot press is long, the adhesive putting into the slab of hot press in advance can solidify in advance, like this while have impact on production efficiency, also reduce bonding quality.
Therefore, for above deficiency, the invention provides a kind of continuous pneumatic floating pressure short period speed veneering hot press.
Summary of the invention
(1) technical problem that will solve
The object of this invention is to provide a kind of continuous pneumatic and float pressure short period speed veneering hot press to solve the problem of the low and bonding quality difference of existing hot pressing mode production efficiency.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of continuous pneumatic floating pressure hot press, it comprises the upper hot pressboard and lower hot pressing board that are oppositely arranged up and down, the upper endless metal belt be oppositely arranged up and down and lower endless metal belt, and upper feed drive part, lower feed drive part and upper extruding actuator, upper endless metal belt and lower endless metal belt are driven by upper feed drive part and lower feed drive part respectively, lower hot pressing board is supported on below lower endless metal belt, upper hot pressboard is driven by the upper extruding actuator of side disposed thereon and is pressed in above upper endless metal belt, the passage of extruding slab is formed between upper endless metal belt and lower endless metal belt.
Wherein, all offer thermal medium duct in described upper hot pressboard and lower hot pressing board, described thermal medium duct is connected with thermal medium delivery source; The bottom surface of described upper hot pressboard is provided with liner plate, and the end face of described lower hot pressing board is provided with lower liner plate.
Wherein, the upper surface of described upper liner plate is provided with hot compressed air passage, and the bottom surface of described upper liner plate offers the slotted eye be connected with described hot compressed air passage.
Wherein, the bottom surface of described upper liner plate offers crisscross elongated slot, is inlaid with teflon seal bar in described elongated slot.
Wherein, the lower surface of described lower liner plate is provided with hot compressed air passage, and the end face of described lower liner plate offers the slotted eye be connected with described hot compressed air passage.
Wherein, the end face of described lower liner plate offers crisscross elongated slot, is inlaid with teflon seal bar in described elongated slot.
Wherein, described upper endless metal belt and lower endless metal belt be respectively steel band and lower steel band, and the passage between described upper steel band and lower steel band narrows gradually with the direction entering plate.
Wherein, described upper steel band and upper hot pressboard assembly are along entering plate direction.
Wherein, belt conveyor, self-raising platform and pneumatic propelling unit is also comprised, what described belt conveyor was arranged on steel band and lower steel band enters plate end, described self-raising platform is arranged on the upper plate end of belt conveyor, described pneumatic propelling unit is arranged on the side of self-raising platform, to be pushed on belt conveyor by the slab put in place that self-raising platform rises.
Wherein, described belt conveyor comprises the first belt conveyor and the second belt conveyor that set gradually, described first belt conveyor enters plate end near upper steel band and lower steel band, and the transporting velocity of described second belt conveyor is greater than the transporting velocity of the first belt conveyor.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: in continuous pneumatic provided by the invention floating pressure short period speed veneering hot press, be oppositely arranged steel endless belt and lower steel endless belt up and down, lower hot pressing board is supported on below lower steel band, upper hot pressboard is driven by the upper pressure actuator of side disposed thereon and is pressed in above upper steel band, thus between upper steel band and lower steel band, form the passage of extruding slab, heating platen is while upper steel band and lower steel band conveying slab, steel band band and lower steel band can be transferred heat to, upper steel band and lower steel band transfer heat to slab, slab is heated and pressurized gummed when running continuously forward under upper steel band and the clamping of lower steel band, so continuous automatic feed hot pressing, eliminate the time of multi-daylight press handling material, improve hot pressing speed and production efficiency, slab does not have heated time with no pressure in hot press, heating pressurization evenly, bonding quality improves.
Accompanying drawing explanation
Fig. 1 is the structural representation that embodiment of the present invention continuous pneumatic floats pressure short period speed veneering hot press;
Fig. 2 is the structural representation that embodiment of the present invention continuous pneumatic floats upper hot pressboard and upper steel band in pressure short period speed veneering hot press.
In figure, 1: upper hot pressboard; 2: lower hot pressing board; 3: upper steel band; 4: lower steel band; 5: steel band head roll; 6: drive motors; 7: thermal medium duct; 8: upper liner plate; 9: hot compressed air passage; 10: slotted eye; 11: sealing strip; 12: above press actuator; 13: press down actuator; 14: hot-air gather qi together region.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As depicted in figs. 1 and 2, the invention provides continuous pneumatic float pressure short period speed veneering hot press comprise the upper hot pressboard 1 and lower hot pressing board 2 that are oppositely arranged up and down, the upper steel endless belt 3 be oppositely arranged up and down and lower steel endless belt 4, and upper steel band actuator, lower steel band actuator and upper pressure actuator 12, upper steel band 3 and lower steel band 4 are driven by upper steel band actuator and lower steel bands actuator respectively, lower hot pressing board 2 is supported on below lower steel bands band 4, upper hot pressboard 1 is driven by the upper pressure actuator 12 of side disposed thereon and is pressed in above upper steel band 3, the passage of extruding slab is formed between upper steel band 3 and lower steel band 4.
Wherein, upper steel band and lower steel band; Upper steel band actuator comprises two cylinders 5 and a drive motors 6, lower steel band actuator comprises two cylinders 5 and a drive motors 6, upper steel band 3 and lower steel band 4 are respectively by the tensioning of corresponding two cylinders 5, then cylinder 5 is driven by corresponding motor, and then drive steel band running, to drive slab to advance, cylinder 5 and drive motors 6 are arranged on corresponding installing rack.
Particularly, the parts of exerting pressure to slab in the present invention are that the steel band run continuously up and down contacts heating platen with inside steel band with steel band, wherein, lower steel band and lower hot pressing board 2 height and position are fixed, upper steel band and upper hot pressboard 1 are exerted pressure downwards by upper pressure actuator 12, and on this, pressure actuator 12 is specially oil cylinder.Wherein, heating platen is while steel band conveying slab, and can transfer heat to steel band, the heat of steel band passes to slab, is heated and pressurized gummed when slab runs continuously forward under upper and lower steel band clamping.
Further, all offer thermal medium duct 7 in described upper hot pressboard 1 and lower hot pressing board 2, described thermal medium duct 7 is connected with thermal medium delivery source, passes into thermal medium with heat hot pressing plate by thermal medium source in heating platen.Wherein, thermal medium can be conduction oil, hot water or steam, thermal medium heat hot pressing plate, and heating platen transferring heat energy is to steel band, and steel band is by contact hot plate base.Described surface of heating platen lining is with copper or aluminium alloy liner plate, and the bottom surface of described upper hot pressboard 1 is provided with liner plate 8, and the end face of described lower hot pressing board 2 is provided with lower liner plate.
The position that the bottom surface of described upper hot pressboard 1 is connected with described upper liner plate 8 is provided with hot compressed air passage 9, and the bottom surface of described upper liner plate 8 offers the hole 10 be connected with described hot compressed air passage 9; The bottom surface of described upper liner plate 8 offers crisscross elongated slot, sealing strip 11 is inlaid with in described elongated slot, thus sealing strip 11 in length and breadth forms block hot-air gather qi together region 14, the hot gas passing hole 10 in hot compressed air blows to hot-air gather qi together region 14, thus produces floating pressure to upper steel band.
The position that the end face of described lower hot pressing board 2 is connected with described lower liner plate is provided with hot compressed air passage 9, and the end face of described lower liner plate offers the hole 10 be connected with described hot compressed air passage 9; The end face of described lower liner plate offers crisscross elongated slot, sealing strip 11 is inlaid with in described elongated slot, thus sealing strip 11 in length and breadth forms block hot-air gather qi together region 14, the hot gas in hot compressed air blows to hot-air gather qi together region 14 by slotted eye 10, thus produces floating pressure to lower steel band.
Particularly, by liner plate inside, hot compressed air passage 9 is set, vertical liner plate plate face is processed with minor diameter through hole 10, the hot-air of ejection certain pressure and temperature in hole 10, the hot-air of certain pressure is filled with between heating platen and steel band, steel band produces floating pressure, to reduce the contact friction of heating platen and steel band.Upper and lower liner plate 8 Surface Machining vertical and horizontal groove on upper and lower heating platen 2, the sealing strip 11 inlayed in groove is preferably polytetrafluoroethylene (PTFE) bar, polytetrafluoroethylene (PTFE) plays lubrication and sealing function between heating platen and steel band, surface of heating platen is divided into some plenum spaces (hot-air gather qi together region 14) by the polytetrafluoroethylene (PTFE) bar inlayed in length and breadth of surface of heating platen, and polytetrafluoroethylene (PTFE) bar seals between heating platen and steel band.
Like this, pass into the hot-air of certain pressure between upper and lower heating platen 2 and steel band, hot-air produces at steel band and heating platen chien shih steel band and floats, and reduces the friction between steel band and heating platen simultaneously, slab runs continuously forward under upper and lower steel band clamping, is heated and pressurized gummed at slab run duration.
Further, also comprise and press down actuator 13, press down the below that actuator 13 is connected to lower hot pressing board 2, to regulate position and the flatness of lower hot pressing board 2.
Further, the present invention also comprises belt conveyor, self-raising platform and pneumatic propelling unit, what described belt conveyor was arranged on steel band 3 and lower steel band 4 enters plate end, described self-raising platform is arranged on the upper plate end of belt conveyor, described pneumatic propelling unit is arranged on the side of self-raising platform, pushes on belt conveyor with the slab put in place self-raising platform rises; Described belt conveyor comprises the first belt conveyor and the second belt conveyor that set gradually, described first belt conveyor enters plate end near upper steel band 3 and lower steel band 4, and the transporting velocity of described second belt conveyor is greater than the transporting velocity of the first belt conveyor.
In technique scheme, slab buttress is placed on self-raising platform, pneumatic propelling unit promotes slab charging, slab enters belt conveyer, because described belt conveyor comprises the first belt conveyor and the second belt conveyor set gradually, the transporting velocity of described second belt conveyor is greater than the transporting velocity of the first belt conveyor, to eliminate the spacing between multiple slab, reaches continuous feed.
Passage between described upper steel band 3 and lower steel band 4 narrows gradually with the direction entering plate, thus upper steel band and the feeding of upper hot pressboard 1 applied pressure with slab on steel band length direction increase gradually, and then realizes the further pressing to slab.
The present invention can realize the wood-base fibre and particle panel material such as medium density fibre board (MDF), particieboard dipping woodgrained paper continuous hot-press facing, or through the hot-press gluing of the veneered plywood of pre-molding, medium density fibre board (MDF) and particieboard etc.
Operation principle of the present invention is: thermal medium heat hot pressing plate, heating platen transferring heat energy is to steel band, steel band is by contact hot plate base, the bottom surface of upper hot pressboard and the end face processing vertical and horizontal groove of lower hot pressing board, inlaid polytetrafluoroethylsliders bar in groove, polytetrafluoroethylene (PTFE) plays lubrication and sealing function between heating platen and steel band, liner plate inside arranges hot-air channel, vertical liner plate plate face is processed with minor diameter slotted eye 10, the hot-air of ejection certain pressure and temperature in slotted eye 10, the hot-air of certain pressure is filled with between heating platen and steel band, steel band produces floating pressure, to reduce the contact friction of heating platen and steel band.Steel belt operating speed is adjustable, and pressurizeed by steel band clamping heating after slab enters hot press, hot pressing time is determined by steel belt operating speed.
Continus convergence hot press provided by the invention has the following advantages:
1, improve hot pressing speed and production efficiency, due to continuous feed hot pressing, eliminate the time of multi-daylight press handling material, automatic feed, production efficiency is high;
2, improve bonding quality, slab does not have heated time with no pressure in hot press, and evenly, bonding quality improves in heating pressurization;
3, the plate face unit pressure that provides of steel band is not high, is suitable for incrustation processing.
4, slab buttress is placed on self-raising platform, quick feeding, slab is by forward and backward the first belt conveyor of setting gradually and the second belt conveyor feeding, and the second belt conveyor speed of service is greater than the first belt conveyor, thus the spacing between elimination slab, reach continuous feed;
5, automatic feed, reduces labour intensity, reduces recruitment quantity.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (10)
1. a continuous pneumatic floating pressure short period speed veneering hot press, it is characterized in that: it comprises the upper hot pressboard and lower hot pressing board that are oppositely arranged up and down, the upper endless metal belt be oppositely arranged up and down and lower endless metal belt, and upper feed drive part, lower feed drive part and upper extruding actuator, upper endless metal belt and lower endless metal belt are driven by upper feed drive part and lower feed drive part respectively, lower hot pressing board is supported on below lower endless metal belt, upper hot pressboard is driven by the upper extruding actuator of side disposed thereon and is pressed in above upper endless metal belt, the passage of extruding slab is formed between upper endless metal belt and lower endless metal belt.
2. continuous hot press according to claim 1, is characterized in that: all offer thermal medium duct in described upper hot pressboard and lower hot pressing board, and described thermal medium duct is connected with thermal medium delivery source; The bottom surface of described upper hot pressboard is provided with liner plate, and the end face of described lower hot pressing board is provided with lower liner plate.
3. continuous hot press according to claim 2, is characterized in that: the upper surface of described upper liner plate is provided with hot compressed air passage, and the bottom surface of described upper liner plate offers the slotted eye be connected with described hot compressed air passage.
4. continuous hot press according to claim 3, is characterized in that: the bottom surface of described upper liner plate offers crisscross elongated slot, is inlaid with teflon seal bar in described elongated slot.
5. continuous hot press according to claim 2, is characterized in that: the lower surface of described lower liner plate is provided with hot compressed air passage, and the end face of described lower liner plate offers the slotted eye be connected with described hot compressed air passage.
6. continus convergence hot press according to claim 5, is characterized in that: the end face of described lower liner plate offers crisscross elongated slot, is inlaid with teflon seal bar in described elongated slot.
7. continuous hot press according to claim 1, is characterized in that: described upper endless metal belt and lower endless metal belt are respectively steel band and lower steel band, and the passage between described upper steel band and lower steel band narrows gradually with the direction entering plate.
8. continuous hot press according to claim 7, is characterized in that: described upper steel band and upper hot pressboard assembly are along entering plate direction.
9. continuous hot press according to claim 7, it is characterized in that: also comprise belt conveyor, self-raising platform and pneumatic propelling unit, what described belt conveyor was arranged on steel band and lower steel band enters plate end, described self-raising platform is arranged on the upper plate end of belt conveyor, described pneumatic propelling unit is arranged on the side of self-raising platform, to be pushed on belt conveyor by the slab put in place that self-raising platform rises.
10. continuous hot press according to claim 9, it is characterized in that: described belt conveyor comprises the first belt conveyor and the second belt conveyor that set gradually, described first belt conveyor enters plate end near upper steel band and lower steel band, and the transporting velocity of described second belt conveyor is greater than the transporting velocity of the first belt conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510051630.6A CN104552503B (en) | 2015-01-30 | 2015-01-30 | Continuous pneumatic floating-press short-cycle veneering hot press |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510051630.6A CN104552503B (en) | 2015-01-30 | 2015-01-30 | Continuous pneumatic floating-press short-cycle veneering hot press |
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| CN104552503A true CN104552503A (en) | 2015-04-29 |
| CN104552503B CN104552503B (en) | 2017-02-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584634A (en) * | 2017-01-18 | 2017-04-26 | 唐天宁 | Wood surface layer compression method and wood surface layer compressed material thereof |
| CN110466027A (en) * | 2019-08-29 | 2019-11-19 | 刘文琦 | A kind of Furniture manufacture wooden boards surface setting treatment system |
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| CN204525684U (en) * | 2015-01-30 | 2015-08-05 | 北京林业大学 | A kind of continuous pneumatic floating pressure short period speed veneering hot press |
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2015
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| CN1048522A (en) * | 1989-06-29 | 1991-01-16 | 库特·海尔德 | The double belt press of continuous operation |
| DE19820810A1 (en) * | 1998-05-09 | 1999-11-11 | Kuesters Eduard Maschf | Wood chipboard prodn process using scattered material for a double-belt press |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106584634A (en) * | 2017-01-18 | 2017-04-26 | 唐天宁 | Wood surface layer compression method and wood surface layer compressed material thereof |
| CN106584634B (en) * | 2017-01-18 | 2019-06-11 | 唐天宁 | A kind of timber surface layer compression method and its timber surface layer staypak |
| CN110466027A (en) * | 2019-08-29 | 2019-11-19 | 刘文琦 | A kind of Furniture manufacture wooden boards surface setting treatment system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104552503B (en) | 2017-02-22 |
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