CN104802241A - Continuous flat-pressing hot pressing machine with adjustable inlet - Google Patents
Continuous flat-pressing hot pressing machine with adjustable inlet Download PDFInfo
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- CN104802241A CN104802241A CN201510123020.2A CN201510123020A CN104802241A CN 104802241 A CN104802241 A CN 104802241A CN 201510123020 A CN201510123020 A CN 201510123020A CN 104802241 A CN104802241 A CN 104802241A
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- feeding seat
- master cylinder
- continuous flat
- plate
- heating platen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
- B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
- B30B5/06—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/24—Moulding or pressing characterised by using continuously acting presses having endless belts or chains moved within the compression zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/20—Moulding or pressing characterised by using platen-presses
- B27N3/22—Charging or discharging
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Manufacturing & Machinery (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention provides a continuous flat-pressing hot pressing machine with an adjustable inlet. The continuous flat-pressing hot pressing machine with the adjustable inlet comprises an upper feeding component (8) with an upper feeding seat (29), a lower feeding component (7) provided with a lower feeding seat (16), an upper inlet hot-pressing plate (13) fixedly connected with the upper feeding seat (29) and a lower inlet hot-pressing plate (14) fixedly connected with the lower feeding seat (16), wherein the upper inlet hot-pressing plate (13) and the lower inlet hot-pressing plate (14) define the profile of the inlet end of the pressing machine; the continuous flat-pressing hot pressing machine with the adjustable inlet further comprises an adjusting mechanism for adjusting the inlet size of the inlet end of the pressing machine, wherein the adjusting mechanism is used for driving relatively movable lever adjusting mechanisms of the upper feeding seat (29) and the lower feeding seat (16). The inlet adjustment of the inlet end of the pressing machine is simple, fast and reliable. The continuous flat-pressing hot pressing machine with the adjustable inlet also can realize fast compaction for entered billets.
Description
Technical field
The present invention relates to the adjustable continuous flat press of a kind of entrance.
Background technology
For the continuous flat press of artificial plate blank, in slab, there is glue, if not compacting rapidly, at 100 ° with gluing meeting premature cure, thus make the pressboard be pressed into form thicker pre-hardening thickness.
The continuous flat press of prior art artificial plate blank, it adopts servo hoist cylinder to drive upper hot pressboard to regulate the entrance size of press upstream end usually.Because servo-cylinder when setting adjustment and maintaining spacing, can produce dynamic shock, this makes the hydraulic system of the entrance size adjustment of press upstream end complicated, and control system requires high, troublesome maintenance.In addition, a upper hot pressboard normally entire plate in prior art, thus master cylinder is applied in the operation power of upper hot pressboard, needs most of masterpiece industry being bent by upper hot pressboard, and fraction power is used for compacting slab veritably.Moreover in prior art when Patterned laminate, on upstream end can there is turn sharp in steel band, this remain on turn sharp state under work and can reduce the upper steel band life-span.
Patent discloses of application number 200910067052.X " a kind of double-steel belt pressing machine for the production of MDF and particieboard "; Application number be 200910067053.4 patent discloses one " nonlinear gradient entrance tongue board "; Regulate the system complex of the entrance of press upstream end in above-mentioned two publications on the one hand, fault rate is high, and the profile regulating press upstream end is not on the other hand very desirable.
Summary of the invention
For overcoming the defect existed in prior art, the object of the present invention is to provide the adjustable continuous flat press of a kind of entrance, at least to realize regulating reliably simple and direct to the entrance of press upstream end, and can realize carrying out fast compacting to the blank entered.
For solving the problem, the invention provides the adjustable continuous flat press of a kind of entrance, comprise: the upper feeding assembly with upper feeding seat, the lower feeding assembly with lower feeding seat, be fixedly connected with upper feeding seat on enter heating platen, be fixedly connected with down heating platen with lower feeding seat, enter wherein heating platen with under enter the profile limiting press upstream end together with heating platen, also comprise the governor motion of the entrance size regulating described press upstream end, wherein, governor motion is configured to the leading screw governor motion driving upper feeding seat and the relative movement of lower feeding seat.
According to the present invention, leading screw governor motion is configured to: be adjusted to main with lead screw pair and be adjusted to auxiliary governor motion with fine motion telescopic oil cylinder, wherein, in lead screw pair, feed screw nut is fixed on lower feeding seat, in lead screw pair, leading screw is driven by motor and is elevated, wherein, the output of leading screw is connected to drive fine motion telescopic oil cylinder integral elevating with the cylinder body of fine motion telescopic oil cylinder, the expansion link of fine motion telescopic oil cylinder is fixedly connected with upper feeding seat.
According to the present invention, leading screw governor motion is made up of motor-driven lead screw pair, wherein, in lead screw pair, feed screw nut is fixed on lower feeding seat, in lead screw pair, leading screw is driven by motor and is elevated, and wherein, output and the upper feeding seat of leading screw are directly connected to drive upper feeding seat to be elevated.
According to the present invention, on to enter heating platen be the stepped plate that metal plate that at least two block lengths increase progressively is superimposed as up and down successively, along the direction of advance of slab in press upstream end, in stepped plate, the height of previous step is greater than the height of a rear step, wherein, being provided with above each step can to the master cylinder of its pressurization, the cylinder body of master cylinder is fixed in the frame set of continuous flat press, the expansion link of master cylinder is scalable towards the step of the below being positioned at expansion link, wherein, by adjusting screw governor motion and regulate the pressure being applied to stepped plate by master cylinder, to regulate the profile of press upstream end.
According to the present invention, stepped plate is formed by stacking from top to bottom successively by base plate, middle plate, panel, wherein the length of base plate is the longest, the length of middle plate is taken second place, the length of panel is the shortest, all master cylinders corresponding to stepped plate line up four rows along the direction of advance perpendicular to slab, and wherein, the step at base plate place is below first row and second row master cylinder, the step at middle plate place is below the 3rd row's master cylinder, and the step at panel place is below the 4th row's master cylinder.
According to the present invention, arrange in the soleplate for the thermal hole passing into heat medium, and the thickness of base plate is greater than the thickness of middle plate; Or the thermal hole for passing into heat medium is arranged in middle plate, and the thickness of middle plate is greater than the thickness of base plate.
According to the present invention, correspond to first, second, third, fourth row master cylinder position, above enter heating platen and under enter between heating platen there is preset pitch; Wherein, according to the feed speed of slab thickness and slab, regulate preset pitch by adjusting screw governor motion and the pressure that optionally regulates first to fourth row's master cylinder to be applied to stepped plate; Wherein, at each preset pitch place, corresponding master cylinder upwards enters the bounce that heating platen applied pressure and slab be applied to into heating platen and remains pressure balance.
According to the present invention, the preset pitch corresponding to first row master cylinder position, the preset pitch corresponding to second row master cylinder position, corresponding to the 3rd row master cylinder position preset pitch, corresponding to the 4th row master cylinder position preset pitch different from each other.
According to the present invention, upper feeding seat is provided with the upper pressure roller driven by swing mechanism, wherein, swing mechanism is set to: after governor motion regulates entrance size according to the slab thickness of the entrance that will enter press upstream end, and swing mechanism drives upper pressure roller to swing to make the corner of steel band to flatten slow position.
According to the present invention, swing mechanism comprises connecting plate and roller frame, one end of connecting plate is connected pivotally to upper feeding seat by rotating shaft, roller frame is connected pivotally to the other end of connecting plate, upper pressure roller is contained on roller frame pivotally, the device driving swing mechanism is pressure roller oil cylinder, and the cylinder body of pressure roller oil cylinder is fixedly connected with upper feeding seat, and the expansion link of pressure roller oil cylinder is connected to drive swing mechanism to swing with roller frame.
According to the present invention, roller frame is connected with two rotatable upper pressure rollers, wherein, upper feeding seat is also provided with rotatable carrying roller, the axis of rotation of carrying roller is fixed relative to rotating shaft position, wherein, the axis of rotation of these two upper pressure rollers and the axis of rotation of carrying roller parallel to each other, and these two upper pressure rollers compared to carrying roller further from enter heating platen.
Beneficial effect of the present invention is:
The invention enables the precision of the entrance size adjustment of press upstream end high; Compared to above entering the prior art that heating platen is an entire plate, the stepped plate be superimposed as that the present invention adopts adds pressure at onesize oil cylinder and can make the easier compacting of slab.Moreover, to effectively prevent when Patterned laminate steel band on upstream end and the situation of turn sharp can occur, thus extend steel band service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of continuous flat press of the present invention;
Fig. 2 is the structure for amplifying schematic diagram of region A in Fig. 1.
Drawing reference numeral:
1, slab; 2, plate transporter is filled; 3, press bottom; 4, press top; 5, lower steel band; 6, upper steel band;
7, lower feeding assembly; 8, upper feeding assembly; 9, lower roll blanket; 10, top roll blanket; 11, frame set;
12, master cylinder group; 13, heating platen is entered on; 14, heating platen is entered under; 15, carrying roller; 16, lower feeding seat;
17, guide-in roller; 18, screw pair; 19, motor; 20, fine motion telescopic oil cylinder;
21, checkout gear is elevated; 22, upper pressure roller; 23, roller frame; 24, rotating shaft one; 25, connecting plate;
26, pressure roller oil cylinder; 27 pressure roller checkout gears, 28, rotating shaft two; 29, upper feeding seat; 30, pressing plate displacement detector; 31, base plate; 32, middle plate; 33, panel; 34, rear heating platen; 35, roller bar; 36, gap detection device; X, access space; R1, front entrance bending radius; R2, rear entrance bending radius.
Detailed description of the invention
See accompanying drawing 1-2, the specific embodiment of the present invention is described below.
As shown in Figure 1, the adjustable continuous flat press of entrance of the present invention comprises: upper feeding assembly 8, lower feeding assembly 7, on enter heating platen 13, under enter heating platen 14, enter heating platen 13 to be wherein fixedly connected with the upper feeding seat 29 of upper feeding assembly 8, under enter heating platen 14 and be fixedly connected with the lower feeding seat 16 of lower feeding assembly 7, above enter heating platen 13 with under enter the profile limiting press upstream end together with heating platen 14.In the present invention, the governor motion of the entrance size of press upstream end is regulated to be configured to the leading screw governor motion driving upper feeding seat 29 and lower feeding seat 16 relative movement.Leading screw governor motion of the present invention, compared to utilizing servo-cylinder to regulate in prior art, accurately can regulate the entrance size of press upstream end.Particularly, although entrance can be adjusted to appointment size by servo-cylinder in prior art, servo-cylinder can make this spacing Dynamic dithering, thus causes the coarse defect of adjustment.Comparatively speaking, leading screw governor motion is adopted just to overcome this defect in the present invention.
Below to adopting leading screw governor motion to further illustrate in the present invention.On the one hand, leading screw governor motion can be regulate main with lead screw pair 18 and be adjusted to auxiliary governor motion with fine motion telescopic oil cylinder 20; Like this, lead screw pair 18 there will not be the situation of Dynamic dithering in prior art after regulating and the adjustment of the entrance of press upstream end being put in place, thus degree of regulation is high; Fine motion telescopic oil cylinder 20 carries out auxiliary adjustment in order to adapt to blank when fluctuation occurs density for this reason, such as, when regulated by lead screw pair 18 by the entrance of press upstream end regulate put in place after, if blank exists the density unevenness of certain limit, then carry out auxiliary adjustment by fine motion telescopic oil cylinder 20.Such as, if in pressing process, detect blank and there is the deviation of 1mm, then fine motion telescopic oil cylinder 20 stroke alteration 1mm thus regulate, certainly be to be understood that and the foregoing is only optional embodiment of the present invention, other suitable embodiment also can be applied in the present invention.On the other hand, certainly can understand, under normal conditions, leading screw governor motion can be regulate with lead screw pair 18, and does not need aforesaid fine motion telescopic oil cylinder 20.
Be adjusted to main with lead screw pair 18 for above-mentioned and be adjusted to for auxiliary governor motion with fine motion telescopic oil cylinder 20, wherein, in lead screw pair 18, feed screw nut is fixed on lower feeding seat 6, in lead screw pair 18, leading screw is driven by motor 19 and is elevated, wherein, the output of leading screw is connected to drive fine motion telescopic oil cylinder 20 integral elevating with the cylinder body of fine motion telescopic oil cylinder 20, the expansion link of fine motion telescopic oil cylinder 20 is fixedly connected with upper feeding seat 29.The lead screw pair 18 driven by motor 19 for leading screw governor motion forms and does not have the situation of fine motion telescopic oil cylinder 20, in lead screw pair 18, feed screw nut is fixed on lower feeding seat 6, in lead screw pair 18, leading screw is driven by motor 19 and is elevated, and output and the upper feeding seat 29 of leading screw are directly connected to drive upper feeding seat 29 to be elevated.Directly connect herein and refer to, the output of leading screw does not directly drive upper feeding seat 29 to be elevated by means of fine motion telescopic oil cylinder.Upper feeding seat 29 is base portion of upper feeding assembly 8, makes the lifting of whole upper feeding assembly 8 one when upper feeding seat 29 is elevated simultaneously.
In prior art, above enter heating platen and adopt an entire plate, its defect be to be applied to into heating platen power great majority on enter heating platen and bend, thus only have small part power as the power of compacting slab.Even if stepped for monoblock entering heating platen processing in prior art, the bending radius entering heating platen different-thickness place on after pressurization is different, and under above entering heating platen, working profile camberline can exist " flex point " defect.For eliminating above-mentioned defect, the present invention by enter the stepped plate (not being entire plate, is the stepped plate be superimposed as) that heating platen 13 is configured to be formed by stacking by the metal plate that length is different.See in the example of Fig. 1, stepped plate is formed by stacking by base plate 31, middle plate 32, panel 33 by the present invention from top to bottom successively, and the length of base plate 31 is the longest, and the length that length is taken second place, panel 33 is of middle plate 32 is the shortest, and this example stepped plate has three steps.In Fig. 1, the front end of base plate 31 is connected with upper feeding seat 29, the rear end of base plate 31 together with middle plate 32, panel 33 and rear heating platen 34 connected closing by bolt, the profile of press upstream end can realize according to the thickness of the plate that finally will be pressed into, the adjustment of entering action and master cylinder group 12 that the data such as plate speed carry out screw pair 18.Thermal hole can be designed with at base plate 31 or middle plate 32, for logical heat medium, slab be heated.As can be seen from Figure 1, all master cylinder groups 12 corresponding to stepped plate line up four rows along the direction of advance perpendicular to slab, the step at base plate 31 place is below first row and second row master cylinder, the step at middle plate 32 place is below the 3rd row's master cylinder, and the step at panel 33 place is below the 4th row's master cylinder.Regulate a row or multi-row and adjusting screw governor motion arbitrarily in first to fourth row, thus realize the adjustment of the profile of press upstream end.
In an optional embodiment, thermal hole for passing into heat medium can be arranged in base plate 31, now be not provided with thermal hole in middle plate 32 and panel 33, and the thickness of base plate 31 is greater than the thickness of middle plate 32, or in another optional embodiment, thermal hole for passing into heat medium can be arranged in middle plate 32, be not now provided with thermal hole in base plate 31 and panel 33, and the thickness of middle plate 32 is greater than the thickness of base plate 31.In other words, the thickness being provided with the plate of thermal hole is thicker compared to other plate.It is pointed out that when base plate 31 is provided with thermal hole, base plate 31 is heated and can promptly heats the slab be in contact with it; And central plate 32 is when being provided with thermal hole, then base plate 31 can arrange thinner, the degree of now base plate 31 epirelief distortion can be larger.Certainly should be appreciated that thermal hole is arranged in base plate 31 or in middle plate 32 to determine according to concrete service condition, the present invention is not limited to this.Should be appreciated that the bearing of trend of the thermal hole passage be made up of thermal hole also can be determined according to concrete service condition in addition, such as can arrange along the direction perpendicular to slab charging or arrange along the direction being parallel to slab charging, the present invention be not limited to this.
The stepped plate that above three blocks of plates are superimposed as is only example, and the present invention is not limited to this, the present invention by enter heating platen 13 and can be configured to: the different stepped plate of the thickness that the metal plate that at least two block lengths increase progressively is superimposed as up and down successively; Along the direction of advance of slab in press upstream end, in stepped plate, the height of previous step is greater than the height of a rear step, being provided with above each step can to the master cylinder of step pressurization, the cylinder body of master cylinder is fixed in the frame set 11 of continuous flat press, and the expansion link of master cylinder is scalable towards the step of the below being positioned at expansion link.By adjusting screw governor motion and regulate the pressure being applied to stepped plate by master cylinder, the profile of press upstream end can be regulated.
With further reference to Fig. 1, correspond to first, second, third and fourth row master cylinder position, above enter heating platen 13 and under enter between heating platen 14 and can have preset pitch; In other words, corresponding to the position of first, second, third and fourth row master cylinder, the profile of press upstream end can have different preset pitch.Wherein, according to the feed speed of slab thickness and slab, regulate above-mentioned preset pitch by adjusting screw governor motion and the pressure that optionally regulates first to fourth row's master cylinder to be applied to stepped plate.Specifically, in practical application of the present invention, according to actual process specific requirement (namely, according to the thickness of slab and the feed speed of slab), first adjusting screw governor motion is to predeterminated position, after leading screw governor motion has adjusted, regulates each master cylinder, thus make to correspond to first to fourth row master cylinder position upper and lower enter spacing between heating platen 13,14 meet technological requirement, so far complete the adjustment of preset pitch.
As shown in Figure 1, corresponding to first row master cylinder position preset pitch, corresponding to second row master cylinder position preset pitch, corresponding to the 3rd row master cylinder position preset pitch, corresponding to the 4th row master cylinder position preset pitch can be different from each other.In other words, in optional embodiment shown in Fig. 1, along the feedstock direction of slab, the preset pitch of first to fourth row corresponding to master cylinder reduces successively gradually.
After preset pitch has regulated, first to fourth row's master cylinder can respectively upper enter heating platen 13 diverse location on apply pressure to keep the preset pitch that regulated constant.After slab enters, slab with on enter heating platen 13 compress contact and on enter heating platen 13 and apply bounce, obviously be applied to by slab the bounce entered on heating platen 13 can trend towards making to enter heating platen 13 to be out of shape, but due to first to fourth row master cylinder can respectively upper enter heating platen 13 diverse location on apply pressure, therefore now these pressure can remain pressure balance with above-mentioned bounce.That is, first to fourth row's master cylinder respectively upper enter heating platen 13 diverse location on the size of applied pressure, need mutually to balance to ensure that above-mentioned preset pitch is constant with bounce.It is pointed out that the above-mentioned master cylinder adopted in the present invention can be such as piston oil-cylinder herein, be certainly to be understood that other suitable oil cylinder also can be applicable in the present invention, the present invention is not limited to this.
To illustrate see Fig. 1 and in conjunction with aforementioned description, control leading screw governor motion and master cylinder corresponding to stepped plate, adjustment enters the changing value of the entrance radius of curvature R 1/R2 of heating platen 13, and then regulate the profile of press upstream end to reach the requirement meeting production technology.Such as can be seen from Figure 1, base plate 31, middle plate 32, panel 33 are all concavely, the radius of curvature of base plate 31 place step is called front entrance radius of curvature R 1, the radius of curvature R 2 of the step part of middle plate 32 is called rear entrance radius of curvature R 2, and rear entrance radius of curvature R 2 is greater than front entrance radius of curvature R 1.The size of R1 is not less than 40 meters, and the size of R2 is not less than 50 meters, and in actual production technique, R2 is slightly larger than R1.
For continuous flat press of the prior art, when suppress comparatively thin plate time, such as go up steel band 6 and usually can produce larger turning thus the service life reducing steel band 6.In order to extend the service life of such as going up steel band, present invention employs the upper pressure roller 22 driven by swing mechanism, as shown in Figure 1.
Specifically, upper feeding seat 29 is provided with the upper pressure roller 22 driven by swing mechanism, wherein swing mechanism is set to: after governor motion regulates entrance size according to the slab thickness of the entrance that will enter press upstream end, and swing mechanism drives upper pressure roller 22 to swing to make the corner of steel band 6 to flatten slow position.About the above, from the structural relation between above-mentioned each parts: in order to make the corner of upper steel band 6 flatten slow, the feedstock direction along slab arranges pressure roller 22 at the upstream region of upper feeding seat 29.That is, when slab enters the entrance of press upstream end first through pressure roller 22 region, also, first upper steel band 6 contacts with pressure roller 22 when rolling and entering the entrance of press upstream end.Further, pressure roller 22 is driven by swing mechanism, thus pressure roller 22 is remained contact with upper steel band 6 pressure or compress contact, in other words, drive pressure roller 22 as driving member by swing mechanism, on under the drive of driving member, steel band 6 is as driven member, even if therefore can apply active force to pressure roller 22 when slab charging, but also can in position keep stable at the driving lower compression roller 22 of swing mechanism.Clearly, in this position, upper pressure roller 22 be the upper steel band 6 being pressed on continuous flat press upper surface on.
More specifically, in one embodiment, the outer peripheral face of upper pressure roller 22 is pressed on the upper surface of upper steel band 6 of continuous flat press with rolling fit system.Example as shown in Figure 2, swing mechanism comprises connecting plate 25 and roller frame 23, one end of connecting plate 25 is connected pivotally to upper feeding seat 29 by rotating shaft 28, and roller frame 23 is connected pivotally to the other end of connecting plate 25 by another rotating shaft 24, and upper pressure roller 22 is contained on roller frame 23 pivotally; The device driving swing mechanism is pressure roller oil cylinder 26, and the cylinder body of pressure roller oil cylinder 26 is fixedly connected with upper feeding seat 29, and the expansion link of pressure roller oil cylinder 26 is connected with roller frame 23 to drive swing mechanism to swing.In Fig. 2, roller frame 23 is connected with two rotatable upper pressure rollers 22, upper feeding seat 29 is also provided with rotatable carrying roller 15, the axis of rotation of carrying roller 15 is fixed relative to rotating shaft 28 position, the axis of rotation of these two upper pressure rollers 22 and the axis of rotation of carrying roller 15 parallel to each other, and these two upper pressure rollers 22 compared to described carrying roller 15 further from enter heating platen 13.The upper pressure roller driven by swing mechanism shown in Fig. 2 can slow down the large turning of upper steel band 6, makes it become smooth.Such as, as shown in Figure 2, the turning jumpy of upper steel band can be finally decomposed into mild turning by two upper pressure rollers 22, thus extends upper steel band service life.Be appreciated that pressure roller number is unrestricted, be not limited to 2.The change in location of upper pressure roller 22 can change the corner a of the upstream end steel band of upper steel band 6, makes it to be less than the corner causing steel band to aggravate distortion.It is little to the damage influence of steel band when the corner of general steel band is less than 5 °.Corner a is shown in Figure 2 for: above steel band 6 is rotation with the contact position of pressure roller 22 (that is, along slab direction of advance in press entrance, the upper pressure roller of forefront) on the rightmost side, the angle that upper steel band 6 rotates around this rotating shaft.
Also can find out from Fig. 1 and Fig. 2, the adjustable continuous flat press of entrance of the present invention comprises: press bottom 3 and press top 4, and frame set 11 is equipped with in press bottom 3 and press top 4; And the upper steel band 6 circulated respectively, lower steel band 5 and top roll blanket 9, lower roll blanket 10; Top roll blanket 9 wherein in active section is in and enters between heating platen 13 and upper steel band 6, enters between heating platen 14 and lower steel band 5 under the lower roll blanket 10 wherein in active section is in.Upper feeding seat 29 is equipped with guide-in roller 17, guide-in roller 17 enters in entrance that heating platen 13 and upper steel band 6 clamp for the roller bar 35 in the top roll blanket 10 of coming through return phase is inducted into; The carrying roller 15 for supporting steel band is all equipped with in the outside of guide-in roller 17.Pressure roller checkout gear 27 pressure roller oil cylinder 26 is equipped with.See Fig. 2, control the flexible of pressure roller oil cylinder 26 to regulate, with make guide-in roller 17 below porch on enter heating platen 13 and keep certain gap X with upper steel band 6, gap X is detected by the gap detection device 36 be contained on upper feeding seat 29 and is fed back, and the roller bar 35 ensureing in top roll blanket 10 imports in the entrance that upper hot pressboard group 13 and upper steel band 6 clamp swimmingly.
To sum up, the invention enables the precision of the entrance size adjustment of press upstream end high; Compared to above entering the prior art that heating platen is an entire plate, the stepped plate be superimposed as that the present invention adopts adds pressure at onesize oil cylinder and can make the easier compacting of slab.Moreover, to effectively prevent when Patterned laminate steel band on upstream end and the situation of turn sharp can occur, thus extend steel band service life.The present invention can also realize carrying out fast compacting to the blank entered, and prevents the adhesive curing in slab to lose efficacy.
Continuous flat press of the present invention is preferably artificial board blank continuous flat press, and preferably the present invention is used for the production of middle and higher density fiberboard and the wood-based plate such as particieboard (oriented wood chipboard) and laminated veneer lumber.
Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. the adjustable continuous flat press of entrance, comprise: the upper feeding assembly (8) with upper feeding seat (29), the lower feeding assembly (7) with lower feeding seat (16), be fixedly connected with described upper feeding seat (29) on enter heating platen (13), be fixedly connected with down heating platen (14) with described lower feeding seat (16), the profile that heating platen (13) and the running heating platen (14) limit press upstream end is together entered on wherein said
It is characterized in that, also comprise the governor motion of the entrance size regulating described press upstream end, wherein, described governor motion is configured to the leading screw governor motion driving described upper feeding seat (29) and lower feeding seat (16) relative movement.
2. the adjustable continuous flat press of entrance according to claim 1, is characterized in that,
Described leading screw governor motion is configured to: be adjusted to main with lead screw pair (18) and be adjusted to auxiliary governor motion with fine motion telescopic oil cylinder (20),
Wherein, in described lead screw pair (18), feed screw nut is fixed on described lower feeding seat (6), and in described lead screw pair (18), leading screw is driven by motor (19) and is elevated,
Wherein, the output of described leading screw is connected with the cylinder body of described fine motion telescopic oil cylinder (20) to drive described fine motion telescopic oil cylinder (20) integral elevating, and the expansion link of described fine motion telescopic oil cylinder (20) is fixedly connected with described upper feeding seat (29).
3. the adjustable continuous flat press of entrance according to claim 1, is characterized in that,
The lead screw pair (18) that described leading screw governor motion is driven by motor (19) is formed,
Wherein, in described lead screw pair (18), feed screw nut is fixed on described lower feeding seat (6), and in described lead screw pair (18), leading screw is driven by motor (19) and is elevated,
Wherein, the output of described leading screw is directly connected to drive described upper feeding seat (29) to be elevated with described upper feeding seat (29).
4. the adjustable continuous flat press of the entrance according to any one of claim 1-3, is characterized in that,
The stepped plate that metal plate that heating platen (13) increases progressively at least two block lengths is superimposed as up and down is successively entered on described, along the direction of advance of slab in described press upstream end, in described stepped plate, the height of previous step is greater than the height of a rear step
Wherein, being provided with above each described step can to the master cylinder of its pressurization, the cylinder body of described master cylinder is fixed in the frame set (11) of described continuous flat press, and the expansion link of described master cylinder is scalable towards the described step of the below being positioned at described expansion link
Wherein, by regulating described leading screw governor motion and regulating the pressure being applied to described stepped plate by described master cylinder, to regulate the profile of described press upstream end.
5. the adjustable continuous flat press of entrance according to claim 4, is characterized in that,
Described stepped plate is formed by stacking from top to bottom successively by base plate (31), middle plate (32), panel (33), the length of wherein said base plate (31) is the longest, the length of described middle plate (32) is taken second place, the length of described panel (33) is the shortest, all described master cylinders corresponding to described stepped plate line up four rows along the direction of advance perpendicular to described slab
Wherein, the step at described base plate (31) place is below first row and second row master cylinder, and the step at described middle plate (32) place is below the 3rd row's master cylinder, and the step at described panel (33) place is below the 4th row's master cylinder.
6. the adjustable continuous flat press of entrance according to claim 5, is characterized in that,
Thermal hole for passing into heat medium is arranged in described base plate (31), and the thickness of described base plate (31) is greater than the thickness of described middle plate (32); Or
Thermal hole for passing into heat medium is arranged in described middle plate (32), and the thickness of described middle plate (32) is greater than the thickness of described base plate (31).
7. the adjustable continuous flat press of the entrance according to any one of claim 5-6, is characterized in that,
Corresponding to the position of described first, second, third, fourth row's master cylinder, entering on described between heating platen (13) and the running heating platen (14) and there is preset pitch;
Wherein, according to the feed speed of slab thickness and slab, regulate described preset pitch by the pressure regulating described leading screw governor motion and optionally regulate described first to fourth row's master cylinder to be applied to described stepped plate;
Wherein, at each described preset pitch place, corresponding master cylinder to enter on described heating platen (13) applied pressure and described slab be applied to described on enter heating platen bounce remain pressure balance.
8. the adjustable continuous flat press of entrance according to claim 7, is characterized in that,
Preset pitch corresponding to described first row master cylinder position, the preset pitch corresponding to described second row master cylinder position, corresponding to described 3rd row master cylinder position preset pitch, corresponding to described 4th row master cylinder position preset pitch different from each other.
9. the adjustable continuous flat press of the entrance according to any one of claim 1-3, is characterized in that,
Described upper feeding seat (29) is provided with the upper pressure roller (22) driven by swing mechanism,
Wherein, described swing mechanism is set to: after described governor motion regulates described entrance size according to the slab thickness of the entrance that will enter described press upstream end, and described swing mechanism drives described upper pressure roller (22) to swing to make the corner of described upper steel band (6) to flatten slow position.
10. the adjustable continuous flat press of entrance according to claim 9, is characterized in that,
Described swing mechanism comprises connecting plate (25) and roller frame (23), one end of described connecting plate (25) is connected pivotally to described upper feeding seat (29) by rotating shaft (28), described roller frame (23) is connected pivotally to the other end of described connecting plate (25), described upper pressure roller (22) is contained on described roller frame pivotally
The device of described swing mechanism is driven to be pressure roller oil cylinder (26), the cylinder body of described pressure roller oil cylinder (26) is fixedly connected with described upper feeding seat (29), and the expansion link of described pressure roller oil cylinder (26) is connected to drive described swing mechanism to swing with described roller frame (23).
The adjustable continuous flat press of 11. entrance according to claim 10, is characterized in that,
Described roller frame is connected with two rotatable described upper pressure rollers (22),
Wherein, described upper feeding seat (29) is also provided with rotatable carrying roller (15), the axis of rotation of described carrying roller (15) is fixed relative to described rotating shaft (28) position,
Wherein, the axis of rotation of these two upper pressure rollers (22) and the axis of rotation of described carrying roller (15) parallel to each other, and these two upper pressure rollers (22) enter heating platen (13) compared to described carrying roller (15) on described.
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| CN201510123020.2A CN104802241B (en) | 2015-03-19 | 2015-03-19 | The adjustable continuous flat press of entrance |
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| CN201510123020.2A CN104802241B (en) | 2015-03-19 | 2015-03-19 | The adjustable continuous flat press of entrance |
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| CN107962800A (en) * | 2016-10-20 | 2018-04-27 | 迪芬巴赫机械工程有限公司 | Forcing press for continuous manufacture material plate |
| CN110901136A (en) * | 2019-11-28 | 2020-03-24 | 永州利达工贸实业有限公司 | Compression fittings is used in production of multi-use architecture template |
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