CN103322778B - Veneer drying unit - Google Patents
Veneer drying unit Download PDFInfo
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- CN103322778B CN103322778B CN201310275598.0A CN201310275598A CN103322778B CN 103322778 B CN103322778 B CN 103322778B CN 201310275598 A CN201310275598 A CN 201310275598A CN 103322778 B CN103322778 B CN 103322778B
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Abstract
The invention discloses a veneer drying unit comprising a box and an air heat exchanger. The box is provided with a feed hole and a discharge hole. A feed device is disposed on the feed hole side of the box. A discharge device is disposed on the discharge hole side of the box. A conveying device is disposed between the feed device and the discharge device and comprises a driving sprocket set, a driven sprocket set and a circular chain, wherein the driving sprocket set and the driven sprocket set are disposed on the box and the circular chain surrounds the sprocket sets. A plurality of clamping rods are disposed on the circular chain at intervals. A partition arranged between the upward portion and the downward portion of the circular chain encloses the inner upper space of the box to form a baking passage. A first cooling passage is formed above the baking passage. A second cooling passage is formed at the bottom of the partition. Both a bottom plate of the first cooling passage and a top plate of the second cooling passage are evenly provided with a plurality of vent holes communicated with the baking passage. The first cooling passage and the second cooling passage are communicated with an air outlet of an air pipe and an air outlet of the air heat exchanger respectively. Compared with the prior art, the veneer drying unit has the advantage that the problems that the existing veneer easily cracks during baking and baking is high in energy consumption and low in efficiency are solved.
Description
Technical field
The present invention relates to wood processing equipment manufacturing technology field, especially a kind of machine for drying the veneer of timber.
Background technology
The veneer of timber is the raw material producing the wood-based plates such as glued board, core-board, thick china, and veneer mostly is and forms with rounding.The veneer gone out because of rotary-cut contains large quantity of moisture, so just can be used for producing wood-based plate after needing to carry out drying process to it; Traditional drying mode is by a sheet by a sheet veneer airing in the sun, and undertaken by moisture evaporation, but this airing mode needs to take a large amount of place, and the low and veneer of production efficiency is easily out of shape, but also will by the restriction of weather.At present, a lot of wood-working factory is had to adopt veneer drying equipment to carry out drying and processing to veneer on the market, there is a kind of veneer drying equipment, this veneer drying equipment comprises the casing being provided with charging aperture and discharging opening, be horizontally disposed with multiple roller group driven by motor in described casing, each roller group has upper roller set up and down and lower roller; The heat dissipation channel being communicated with air heat exchanger is respectively arranged with above and below multiple described roller group; The top of described casing is provided with multiple blast pipe.In use there are the following problems for this veneer drying equipment: 1, because veneer puts down to arrange the baking channel that plate enters drying box, every meter of baking channel can only discharge 1.7 pieces of veneers, production efficiency is low, and cost is high; 2, in order to improve output, often temperature being elevated to more than 150 DEG C and carrying out acute oven dry, making veneer sharply dewater within the unit interval, cause the drying stress of generation too to concentrate on a certain period, cause the veneer of drying out to be out of shape large, cracking is many; 3, in addition veneer be heated transpiring moisture time, along machine direction moisture conduction of velocity than the large 10-20 in horizontal fibers direction doubly, when namely toasting, the evaporation rate of longitudinal two ends is far longer than the evaporation rate of plate Middle face; First plate face edges at two ends shrinks, and shrinkage factor is 6%-8%, and the width of a veneer will shrink 30 millimeters; And by roller group roll-in feeding, in feeding process, artificial roll-in has been carried out to the plate face of veneer, run counter to the natural law that veneer thermal histories will shrink, easily caused the phenomenon of veneer mechanical damage, be i.e. cracking or pressure break; 4, the charging of veneer and discharging are by workman's manual operations, by 24 meters
3/ sky calculates, and will remove 50 tons of veneers every day, labour intensity is large; 5, the mode of employing high temperature, low humidity is dried, and hot-air does not recycle, and heat energy loss is large, and the veneer of drying out under the medium condition of high temperature, low humidity is more crisp, does not have flexibility, is unfavorable for that next process uses.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of veneer drying equipment be heated evenly, and it can solve high, the inefficient problem of existing veneer drying equipment energy consumption.
The technical scheme that technical solution problem of the present invention adopts is: this veneer drying equipment comprises the casing and air heat exchanger that are provided with charging aperture and discharging opening, the top of described casing is provided with multiple blast pipe, the charging aperture side of described casing is provided with feed arrangement, the discharging opening side of described casing is provided with drawing mechanism, is provided with conveying device between the two;
Described conveying device comprises the ring chain being located at drive sprocket set on described casing and driven chain wheels and being looped around on described drive sprocket set and described driven chain wheels, described ring chain is arranged at intervals with many material-handling rods; Described drive sprocket set is connected with the first power cylinder by ratchet device;
Between described ring chain ascender and descender, be provided with dividing plate, the upper space in described casing is enclosed a baking channel by described dividing plate; The top of described baking channel is provided with the first heat dissipation channel, and the bottom of described dividing plate is provided with the second heat dissipation channel, and the base plate of described first heat dissipation channel and the top board of described second heat dissipation channel are distributed with multiple louvre being communicated with described baking channel; Described first heat dissipation channel is communicated with respectively by the gas outlet of tracheae with described air heat exchanger with described second heat dissipation channel, multiple described blast pipe is communicated with by the air inlet of tracheae with described air heat exchanger, between multiple described blast pipe and described air heat exchanger, be provided with exhaust apparatus.
In above-mentioned veneer drying equipment and technology scheme, technical scheme can also be more specifically: described feed arrangement comprises the suction disc case be contained in by guide rod on forebay, described suction disc case is connected with the second power cylinder driving its lifting, and described suction disc case is provided with the first travel switch controlling its lifting; Be provided with Material feeding trolley below described suction disc case, be provided with travelling car between described Material feeding trolley and described suction disc case, described travelling car is contained on described forebay by slide rail, and described travelling car is connected with the 3rd power cylinder driving its walking; Described forebay is provided with the second travel switch controlling the walking of described travelling car.
Further, described drawing mechanism comprises the clamping device be contained in by slide rail on afer bay, and described afer bay is provided with the third trip switch controlling described clamping device movement; Described clamping device comprises the material folding seat being connected with the 4th power cylinder, and described material folding seat is provided with material folding base plate and gripper shoe, and described material folding base plate and described gripper shoe are set in parallel; Between described material folding base plate and described gripper shoe, be provided with material folding plate, described material folding plate is connected with the 5th power cylinder driving its lifting, and described 5th power cylinder is fixed in described gripper shoe; Trolley is provided with out below described clamping device.
Further, described exhaust apparatus comprises the exhaust outlet be located on tracheae, and described exhaust outlet is equipped with dodge gate, and described dodge gate is connected with the 6th power cylinder regulating its open and close.
Further, guider and the temperature control spray header of described material-handling rod is provided with in the bottom of described first heat dissipation channel.
Further, described first heat dissipation channel is divided into multiple split channel along air flow direction inner space by polylith flow distribution plate; The described top board of described second heat dissipation channel is arranged at intervals with the deflection plate of polylith.
Further, the base plate plate face of described suction disc case is provided with multiple air entry, is provided with the tracheae be communicated with the first blower fan above described suction disc case, and described tracheae is provided with the movable gate controlling described suction disc case tolerance, and described movable gate is connected with the 7th power cylinder; Described first blower fan is communicated with air heat exchanger air inlet by tracheae.
Further, the multiple louvres on the described base plate of described first heat dissipation channel are distributed in the side near described casing discharging opening; The width b of described top board is less than the length L of veneer; Deflection plate described in polylith on described top board towards vertical with air flow direction, the height of described deflection plate is from charging aperture to discharging opening direction in successively decreasing successively, and the height h of first piece of described deflection plate of nearly described charging aperture side is 1/2 of described first heat dissipation channel height H; The spacing that described deflection plate distributes on described top board is successively decrease successively from middle part to both sides.
Owing to have employed technique scheme, the present invention compared with prior art, the beneficial effect had is: 1, the ring chain being interval with material-handling rod driven by ratchet device is housed at the two ends of casing, can vertically place veneer to toast between adjacent material-handling rod, every meter of baking channel can discharge 63 pieces of veneers; Because veneer is vertical placement, veneer lengthened relatively in the time of baking channel, and the temperature of whole baking channel is arranged within the scope of 80 DEG C ~ 100 DEG C, reduces by 50 DEG C ~ 70 DEG C, reduce energy consumption, improve production efficiency than existing baking temperature 150 DEG C; Along with the reduction of temperature, veneer drying rate slows down 5 times, and the drying stress that veneer bears within the unit interval alleviates, and eliminates the phenomenon that stress is concentrated, and dry veneer distortion is out little, without cracking, improves the quality of veneer baking finished product; 2, above ring chain ascender, be provided with the first heat dissipation channel and the louvre of the first heat dissipation channel is located at by discharging opening side, in order that do not make veneer initially sharply dewater being heated, cause each portion to shrink and unevenly cause cracking phenomena; In the first half section of baking channel, the hot-air blown out below the temperature of the first heat dissipation channel tube wall and the second heat dissipation channel by the top carries out drying to veneer, now have gap between plate and plate, the Free water in the middle part of veneer, can be taken away from air motion below veneer not by resistance by hot-air fast; Moreover, the width b of top board is less than the length L of veneer, the scope of louvre blowout hot-air is only at the middle part of veneer, its objective is after allowing veneer enter baking channel from charging aperture, the first louvre from below of hot-air heats veneer, hot-air therefrom portion is distributed to both sides and makes the contraction in the middle part of veneer consistent with the contraction at two ends, can reach the effect in the middle part of flash baking veneer, not make veneer crack at edge again.When veneer runs the half of overbaking passage stroke, then carry out drying to the middle part of veneer applying hot-air with top louvre from below simultaneously; Reason is for moving to the baking channel second half section, veneer generation slight deformation when veneer, and the gas channel between plate and plate has some setbacks, and from supplemental heat air above, being heated of veneer can be made more even.Along air flow direction, inner space is divided into multiple split channel by polylith flow distribution plate at the first heat dissipation channel, its effect makes the distribution of hot-air in whole first heat dissipation channel more even; And the bottom interval of top board in the second heat dissipation channel be provided with polylith deflection plate and deflection plate towards vertical with air flow direction, the height of deflection plate is arrangement of successively decreasing successively from charging aperture to discharging opening direction, the spacing that deflection plate distributes on base plate is arrangement of successively decreasing successively from middle part to both sides, these are arranged is all the afterbodys of hot-air direct access in order to prevent from entering the second heat dissipation channel, and hot-air is evenly distributed in the second heat dissipation channel; 3, at the charging aperture of casing and discharging opening side, feed arrangement and drawing mechanism are housed respectively, the ring chain being provided with many material-handling rods of the batch (-type) rotation driven by ratchet device is provided with between feed arrangement and drawing mechanism, suction disc case is delivered on the material-handling rod of the ring chain on driven sprocket by travelling car after picking up a veneer, realizes automatic feed; The veneer completing baking, by drawing mechanism self-emptying, alleviates the labour intensity of workman, improves productivity ratio; 4, in casing, be provided with temperature control spray header, when temperature exceedes 280 DEG C of setting, temperature control spray header opens water spray at once, guarantees that veneer drying device security is produced.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the partial enlarged drawing at the M place of Fig. 1.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the structural representation of the casing of the embodiment of the present invention.
Fig. 5 is the sectional view at the A-A place of Fig. 4.
Fig. 6 is the sectional view at the B-B place of Fig. 4.
Fig. 7 is the sectional view at the C-C place of Fig. 4.
Fig. 8 is the P direction view of Fig. 4.
Fig. 9 is the structural representation of the feed arrangement of the embodiment of the present invention.
Figure 10 is the top view of Fig. 9.
Figure 11 is the K direction view of Fig. 9.
Figure 12 is the partial enlarged drawing at the I place of Fig. 9.
Figure 13 is the sectional view at the E-E place of Figure 12.
Figure 14 is the H direction view of Fig. 9.
Figure 15 is the structural representation of the drawing mechanism of the embodiment of the present invention.
Figure 16 is the top view of Figure 15.
Figure 17 is the partial enlarged drawing at the Q place of Figure 15.
Figure 18 is the N direction view of Figure 15.
Figure 19 is the partial enlarged drawing at the D-D place of Figure 18.
Description of reference numerals: afer bay 1-1, cylinder 1-2, slide rail 1-3, slide block 1-4, cylinder 1-5, guide pillar 1-6, gripper shoe 1-7, material folding plate 1-8, material folding base plate 1-9, ratchet 1-10, cylinder 1-11, wheel track 1-12, road wheel 1-13, go out trolley 1-14, dead man 1-15, spring 1-16, third trip switch 1-17, fourth line journey switch 1-18, casing 2, charging aperture 2a, discharging opening 2b, drive sprocket set 2-1, blast pipe 2-2, second heat dissipation channel 2-3, deflection plate 2-4, material-handling rod 2-5, driven chain wheels 2-6, first heat dissipation channel 2-7, guider 2-8, temperature control spray header 2-9, flow distribution plate 2-10, base plate 2-11, top board 2-12, dividing plate 2-13, humidity sensor 2-14, temperature sensor 2-14, exhaust apparatus 3, rotating shaft 3-1, cylinder 3-2, tooth bar 3-3, dodge gate 3-4, gear 3-5, exhaust outlet 3-6, first blower fan 3-7, second blower fan 3-8, feed arrangement 4, forebay 4-1, suction disc case 4-2, slide rail 4-3, cylinder 4-4, guide rod 4-5, cylinder 4-6, airduct 4-7, movable gate 4-8, slide block 4-9, moving slider 4-10, travelling car 4-11, Material feeding trolley 4-12, track 4-13, road wheel 4-14, cylinder 4-15, first travel switch 4-16, second travel switch 4-17, air heat exchanger 5.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
First power cylinder of the present embodiment is cylinder 1-11, and the second power cylinder is cylinder 4-6, and the 3rd power cylinder is cylinder 4-15, and the 4th power cylinder is cylinder 1-2, and the 5th power cylinder is cylinder 1-5, and the 6th power cylinder is cylinder 3-2, and the 7th power cylinder is cylinder 4-4.
Veneer drying equipment as shown in Fig. 1, Fig. 4, Fig. 6 and Fig. 7 comprises the casing 2 being provided with charging aperture 2a and discharging opening 2b, air heat exchanger 5; The present embodiment is equipped with nine blast pipe 2-2 at the top of casing 2, feed arrangement 4 is equipped with in the charging aperture 2a side of casing 2, feed arrangement 4 comprises the suction disc case 4-2 be contained in by suction disc tank tower on forebay 4-1, the present embodiment is provided with six air entries on the base plate plate face of suction disc case 4-2, above suction disc case 4-2, be provided with the tracheae 4-7 be communicated with the first blower fan 3-7, the first blower fan 3-7 is communicated with by the air inlet of tracheae with air heat exchanger 5 top; Tracheae 4-7 is provided with the movable gate 4-8 controlling suction disc case 4-2 tolerance, and movable gate 4-8 is connected with cylinder 4-4, and to realize the suction disc of suction disc case 4-2 and to unload plate, cylinder 4-4 is connected with air accumulator by magnetic valve, and magnetic valve is connected with control cabinet by wire; Cylinder 4-6 is fixed on forebay 4-1 by suction disc tank tower; The the first travel switch 4-16 controlling its lifting suction disc case 4-2 is equipped with, first travel switch 4-16 comprises and is contained in suction disc case upper stroke switch on suction disc case 4-2 and suction disc case lower stroke switch, and suction disc case upper stroke switch is connected with control cabinet by wire with suction disc case lower stroke switch; Suction disc case 4-2 is contained in by the connecting plate being welded on both sides on the piston rod of 2 the cylinder 4-6 driving its lifting, 2 cylinder 4-6 are fixed on forebay 4-1 by suction disc tank tower, the connecting plate of suction disc case 4-2 both sides is equipped with 2 guide rod 4-5 respectively in the both sides of cylinder 4-6, and 2 guide rod 4-5 are by being sleeved on being fixed on suction disc tank tower of slide block 4-9 outside guide rod 4-5.Be provided with the Material feeding trolley 4-12 that road wheel 4-14 is housed in the below of suction disc case 4-2, the track 4-13 supporting road wheel 4-14 walking is housed below Material feeding trolley 4-12; Travelling car 4-11 is provided with between Material feeding trolley 4-12 suction disc case 4-2, two side stands of travelling car 4-11 are equipped with 2 moving slider 4-10 respectively, 2 moving slider 4-10 are contained on forebay 4-1 by the slide rail 4-3 installing slide block 4-10, travelling car 4-11 is connected with and drives its cylinder 4-15 walked on slide rail 4-3, cylinder 4-15 is contained on forebay 4-1 by support, cylinder 4-15 is connected with air accumulator by magnetic valve, and magnetic valve is connected with control cabinet by wire; Forebay 4-1 is equipped with the second travel switch 4-17 controlling travelling car 4-11 movement, second travel switch 4-17 comprises and is contained in the left travel switch of travelling car on forebay 4-1 and the right travel switch of travelling car, and the left travel switch of travelling car is connected with control cabinet by wire with the right travel switch of travelling car; As shown in Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13 and Figure 14.Drawing mechanism 1 is equipped with in the discharging opening 2b side of casing 2, and drawing mechanism 1 comprises clamping device, and clamping device two side stand is all equipped with a slide block 1-4, and clamping device is fixed on afer bay 1-1 by the slide rail 1-3 installing slide block 1-4; Clamping device comprises the material folding seat be connected on cylinder 1-2 piston rod, and cylinder 1-2 is connected with air accumulator by magnetic valve, and magnetic valve is connected with control cabinet by wire; Cylinder 1-2 is fixed on afer bay 1-1 by support; Material folding seat is provided with two pieces of material folding base plate 1-9 and gripper shoe 1-7 of be arrangeding in parallel, and material folding base plate 1-9 and gripper shoe 1-7 is welded on material folding seat; Material folding plate 1-8 is housed between material folding base plate 1-9 and gripper shoe 1-7, material folding plate 1-8 is contained on the piston rod of the cylinder 1-5 driving its lifting, cylinder 1-5 is contained on gripper shoe 1-7, and material folding plate 1-8 is equipped with guide pillar 1-6, and guide pillar 1-6 is contained on gripper shoe 1-7 by the guide pin bushing installed thereon; Trolley 1-14 is housed out below clamping device, and the track 1-12 supporting road wheel 1-13 is equipped with in the below going out trolley 1-14; Afer bay 1-1 is provided with the third trip switch 1-17 controlling clamping device movement, third trip switch 1-17 comprises being contained in afer bay 1-1 going out trolley left lateral journey switch and go out trolley right lateral journey switch, goes out trolley right lateral journey switch and is connected with control cabinet by wire; As shown in Figure 15, Figure 16 and Figure 17.
Conveying device is installed between the two at feed arrangement 4 and drawing mechanism 1; Conveying device comprises and is contained in drive sprocket set 2-1 and driven chain wheels 2-6 on casing 2, drive sprocket set 2-1 is contained on the support of casing 2 discharging opening 2b side by driving shaft, ratchet 1-10 is equipped with in one end of driving shaft, the afer bay 1-1 of ratchet 14 side is equipped with cylinder 1-11, cylinder 1-11 is connected with air accumulator by magnetic valve, and magnetic valve is connected with control cabinet by wire; The piston rod of cylinder 1-11 is equipped with dead man plate, dead man plate is welded with dead man axle sleeve, dead man 1-15 is inserted in the installing hole of dead man axle sleeve by spring 1-16; The tooth phase clamping of dead man 1-15 and ratchet 1-10 outer; Fourth line journey switch 1-18 is housed in the side of the piston rod of cylinder 1-11, and fourth line journey switch 1-18 is connected with control cabinet by wire, to realize the intermittent duty controlling ring chain.Driven chain wheels 2-6 is contained on the support of casing 2 charging aperture 2a side by driven shaft; Drive sprocket set 2-1 and driven chain wheels 2-6 is surrounded with ring chain, ring chain is arranged at intervals with many material-handling rod 2-5, the carrier bar on material-handling rod 2-5 and ring chain is welded to connect.Between ring chain ascender and ring chain descender, be provided with dividing plate 2-13, casing 2 internal upper part spatial position error is become a baking channel by dividing plate 2-13; First heat dissipation channel 2-7 is installed on the top of baking channel, guider 2-8 and the temperature control spray header 2-9 of 2 material-handling rod 2-5 are housed in the bottom of the first heat dissipation channel 2-7, guider 2-8 comprises the guide post that 2 are located at material-handling rod 2-5 direction of travel both sides, with the ring chain guaranteeing to be welded with material-handling rod 2-5 run steady; 4 guide posts of 2 assembly guidance 2-8 and temperature control spray header 2-9 are all welded on the base plate 2-11 bottom the first heat dissipation channel 2-7, temperature control spray header 2-9 is connected with water pump by water pipe, when the temperature in casing 2 exceedes 280 DEG C of setting, temperature control spray header 2-9 opens water spray at once, to guarantee the safety in production of equipment; Second heat dissipation channel 2-3 is installed in the bottom of dividing plate 2-13; The base plate 2-11 of the first heat dissipation channel 2-7 and the top board 2-12 of the second heat dissipation channel 2-3 is distributed with multiple louvre, on the base plate 2-11 of the first heat dissipation channel 2-7, multiple louvres of distribution are positioned at the side near casing 2 discharging opening 2b, and the width b of top board 2-12 is less than the length L of veneer, the scope of louvre blowout hot-air is only at the middle part (as shown in Fig. 5, Fig. 6 and Fig. 7) of veneer, in order that do not make veneer in initial sharply dehydration of being heated, cause each portion to shrink and unevenly cause cracking phenomena; In the first half section of baking channel, the hot-air blown out below the temperature of the first heat dissipation channel 2-7 tube wall and the second heat dissipation channel 2-3 by the top carries out drying to veneer, now there is gap between plate and plate, Free water in the middle part of veneer, can be taken away from air motion below veneer not by resistance by hot-air fast; Moreover, the width b of top board 2-12 is less than the length L of veneer, the scope of louvre blowout hot-air is only at the middle part of veneer, its objective is after allowing veneer enter baking channel from charging aperture 2a, the first louvre from below of hot-air heats veneer, hot-air therefrom portion is distributed to both sides and makes the contraction in the middle part of veneer consistent with the contraction at two ends, can reach the effect in the middle part of flash baking veneer, not make veneer crack at edge again.When veneer runs the half of overbaking passage stroke, then carry out drying to the middle part of veneer applying hot-air with top louvre from below simultaneously; Reason is for moving to the baking channel second half section, veneer generation slight deformation when veneer, and the gas channel between plate and plate has some setbacks, and from supplemental heat air above, being heated of veneer can be made more even.The present embodiment is divided into seven split channels along air flow direction inner space by six pieces of flow distribution plate 2-10 at the first heat dissipation channel 2-7, and its effect makes the homogeneous temperature in whole first heat dissipation channel 2-7; 6 pieces of flow distribution plate 2-10 are welded on base plate 2-11; The bottom interval of the top board 2-12 of the present embodiment in the second heat dissipation channel 2-3 is welded with ten pieces of deflection plate 2-4, ten pieces of deflection plate 2-4 towards vertical with air flow direction; Direction is in arrangement of successively decreasing successively from charging aperture 2a to discharging opening 2b for the height of deflection plate 2-4, and the height h of first piece of deflection plate 2-4 of nearly charging aperture 2a side is 1/2 of the first heat dissipation channel 2-7 height H; The spacing that deflection plate 2-4 distributes on top board 2-12 is from middle part to both sides in successively decreasing arrangement successively, and these are arranged is all the afterbodys of hot-air direct access in order to prevent from entering the second heat dissipation channel, and hot-air is evenly distributed in the second heat dissipation channel; As shown in Figure 8.Between the first heat dissipation channel 7 sidewall and casing 2 sidewall, four humidity sensor 2-14 are equipped with at interval, at the second heat dissipation channel 2-3 interval, four temperature sensor 2-15 are housed, four humidity sensor 2-14 are connected with control cabinet by wire with four temperature sensor 2-15, to realize the control to temperature and humidity in casing.First heat dissipation channel 2-7 is communicated with by the gas outlet of tracheae and air heat exchanger 5, and the second heat dissipation channel 2-3 is communicated with by the gas outlet of tracheae with air heat exchanger 5 bottom; Nine blast pipe 2-2 are communicated with by the air inlet of tracheae with air heat exchanger 5 bottom, between nine blast pipe 2-2 and air heat exchanger 5, be provided with exhaust apparatus; Exhaust apparatus 3 comprises the exhaust outlet 3-6 be located on tracheae, and exhaust outlet 3-6 is equipped with dodge gate 3-4 by rotating shaft 3-1, and rotating shaft 3-1 is contained on the support of tracheae both sides by bearing block; Gear 3-5 is equipped with in one end of rotating shaft 3-1, by being connected with cylinder 3-2 with the tooth bar 3-3 that gear 3-5 is connected with a joggle, cylinder 3-2 is connected with air accumulator by magnetic valve, magnetic valve is connected with control cabinet by wire, when the temperature in casing, humidity exceed setting value, control cabinet makes cylinder 3-2 regulate the open and close of dodge gate 3-4 by rack pinion drive shaft 3-1 by solenoid control; Cylinder 3-2 connects by support welding on the support of tracheae side, as shown in Figures 2 and 3.
During work, the Material feeding trolley 4-12 that veneer is housed is pushed into below suction disc case 4-2 by workman, suction disc case is inhaled after 4-2 picks up a veneer by cylinder 4-6 driving and is put on travelling car 4-11, delivered to by travelling car 4-11 on the material-handling rod 2-5 of the ring chain on driven sprocket 2-6 again, coordinate the intermittent duty being welded with the ring chain of many material-handling rod 2-5 driven by ratchet device to realize automatic feed; The veneer completing baking, by drawing mechanism self-emptying, alleviates the labour intensity of workman, improves productivity ratio.
Claims (8)
1. a veneer drying equipment, comprise the casing (2) and air heat exchanger (5) that are provided with charging aperture (2a) and discharging opening (2b), the top of described casing (2) is provided with multiple blast pipe (2-2), it is characterized in that: charging aperture (2a) side of described casing (2) is provided with feed arrangement (4), discharging opening (2b) side of described casing (2) is provided with drawing mechanism (1), is provided with conveying device between the two;
Described conveying device comprises the ring chain being located at drive sprocket set (2-1) on described casing (2) and driven chain wheels (2-6) and being looped around on described drive sprocket set (2-1) and described driven chain wheels (2-6), described ring chain is arranged at intervals with many material-handling rods (2-5); Described drive sprocket set (2-1) is connected with the first power cylinder by ratchet device;
Between described ring chain ascender and descender, be provided with dividing plate (2-13), the upper space in described casing (2) is enclosed a baking channel by described dividing plate (2-13); The top of described baking channel is provided with the first heat dissipation channel (2-7), the bottom of described dividing plate (2-13) is provided with the second heat dissipation channel (2-3), and base plate (2-11) and the top board (2-12) of described second heat dissipation channel (2-3) of described first heat dissipation channel (2-7) are distributed with multiple louvre being communicated with described baking channel; Described first heat dissipation channel (2-7) is communicated with respectively by the gas outlet of tracheae with described air heat exchanger (5) with described second heat dissipation channel (2-3), multiple described blast pipe (2-2) is communicated with by the air inlet of tracheae with described air heat exchanger (5), is provided with exhaust apparatus (3) between multiple described blast pipes (2-2) and described air heat exchanger (5).
2. veneer drying equipment according to claim 1, it is characterized in that: described feed arrangement (4) comprises the suction disc case (4-2) be contained in by guide rod (4-5) on forebay (4-1), described suction disc case (4-2) is connected with the second power cylinder driving its lifting, and described suction disc case (4-2) is provided with the first travel switch (4-16) controlling its lifting; Described suction disc case (4-2) below is provided with Material feeding trolley (4-12), travelling car (4-11) is provided with between described Material feeding trolley (4-12) and described suction disc case (4-2), described travelling car (4-11) is contained on described forebay (4-1) by slide rail (4-3), and described travelling car (4-11) is connected with the 3rd power cylinder driving its walking; Described forebay (4-1) is provided with the second travel switch (4-17) controlling described travelling car (4-11) and walk.
3. veneer drying equipment according to claim 1, it is characterized in that: described drawing mechanism (1) comprises the clamping device be contained in by slide rail (1-3) on afer bay (1-1), and described afer bay (1-1) is provided with the third trip switch (1-17) controlling described clamping device movement; Described clamping device comprises the material folding seat being connected with the 4th power cylinder, and described material folding seat is provided with material folding base plate (1-9) and gripper shoe (1-7), and described material folding base plate (1-9) and described gripper shoe (1-7) are set in parallel; Between described material folding base plate (1-9) and described gripper shoe (1-7), be provided with material folding plate (1-8), described material folding plate (1-8) is connected with the 5th power cylinder driving its lifting, and described 5th power cylinder is fixed in described gripper shoe (1-7); Trolley (1-14) is provided with out below described clamping device.
4. veneer drying equipment according to claim 1, it is characterized in that: described exhaust apparatus (3) comprises the exhaust outlet (3-6) be located on tracheae, described exhaust outlet (3-6) is equipped with dodge gate (3-4), and described dodge gate (3-4) is connected with the 6th power cylinder regulating its open and close.
5. veneer drying equipment according to claim 1, is characterized in that: the guider (2-8) and the temperature control spray header (2-9) that are provided with described material-handling rod (2-5) in the bottom of described first heat dissipation channel (2-7).
6. the veneer drying equipment according to claim 1 or 2 or 3 or 4 or 5, is characterized in that: described first heat dissipation channel (2-7) is divided into multiple split channel along air flow direction inner space by polylith flow distribution plate (2-10); The described top board (2-12) of described second heat dissipation channel (2-3) is arranged at intervals with the deflection plate (2-4) of polylith.
7. veneer drying equipment according to claim 2, it is characterized in that: the base plate plate face of described suction disc case (4-2) is provided with multiple air entry, the tracheae (4-7) be communicated with the first blower fan (3-7) is provided with in described suction disc case (4-2) top, described tracheae (4-7) is provided with the movable gate (4-8) controlling described suction disc case (4-2) tolerance, and described movable gate (4-8) is connected with the 7th power cylinder; Described first blower fan (3-7) is communicated with air heat exchanger (5) air inlet by tracheae.
8. veneer drying equipment according to claim 6, is characterized in that: the multiple louvres on the described base plate (2-11) of described first heat dissipation channel (2-7) are distributed in the side near described casing (2) discharging opening (2b); The width (b) of described top board (2-12) is less than the length (L) of veneer; Deflection plate (2-4) towards vertical with air flow direction described in polylith on described top board (2-12), the height of described deflection plate (2-4) from charging aperture (2a) to discharging opening (2b) direction in successively decreasing successively, the height (h) of first piece of described deflection plate (2-4) of nearly described charging aperture (2a) side for described first heat dissipation channel (2-7) highly (H) 1/2; The spacing of described deflection plate (2-4) distribution on described top board (2-12) is successively decrease successively from middle part to both sides.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310275598.0A CN103322778B (en) | 2013-07-03 | 2013-07-03 | Veneer drying unit |
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| CN201310275598.0A CN103322778B (en) | 2013-07-03 | 2013-07-03 | Veneer drying unit |
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| CN103322778A CN103322778A (en) | 2013-09-25 |
| CN103322778B true CN103322778B (en) | 2015-07-22 |
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| CN201310275598.0A Expired - Fee Related CN103322778B (en) | 2013-07-03 | 2013-07-03 | Veneer drying unit |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103697670B (en) * | 2013-12-10 | 2015-09-23 | 新源动力股份有限公司 | The vertical continuous baking oven of membrane electrode part of fuel cell |
| CN104180628B (en) * | 2014-09-18 | 2015-12-30 | 李学淑 | A kind of energy-efficient veneer drying unit |
| CN107726766B (en) * | 2017-12-11 | 2019-07-12 | 湖南桑仁行农业科技股份有限公司 | A kind of tea processing drying frame |
| CN110906708A (en) * | 2020-01-02 | 2020-03-24 | 内蒙古岩峰农业生物科技有限公司 | Bale drying equipment |
| CN113003110A (en) * | 2021-02-07 | 2021-06-22 | 深圳市科远机电有限公司 | Continuous rotary drying machine equipment for wood veneers |
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| US4378640A (en) * | 1981-03-02 | 1983-04-05 | Adolf Buchholz | Fluid flow deflector apparatus and sheet dryer employing same |
| US6108942A (en) * | 1998-07-20 | 2000-08-29 | Fezer S.A. Industrias Mecanicas | Opposed belt drying apparatus for sliced wood veneers |
| CN202109737U (en) * | 2011-05-19 | 2012-01-11 | 李祥文 | Veneer dryer |
| CN202853295U (en) * | 2012-09-03 | 2013-04-03 | 上海黎众木业有限公司 | Multilayer successive type veneer dryer |
| CN202902784U (en) * | 2012-10-24 | 2013-04-24 | 浦北县建业胶合板有限责任公司 | Drying device |
| CN203518476U (en) * | 2013-07-03 | 2014-04-02 | 袁安 | Veneer drying equipment |
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- 2013-07-03 CN CN201310275598.0A patent/CN103322778B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4378640A (en) * | 1981-03-02 | 1983-04-05 | Adolf Buchholz | Fluid flow deflector apparatus and sheet dryer employing same |
| US6108942A (en) * | 1998-07-20 | 2000-08-29 | Fezer S.A. Industrias Mecanicas | Opposed belt drying apparatus for sliced wood veneers |
| CN202109737U (en) * | 2011-05-19 | 2012-01-11 | 李祥文 | Veneer dryer |
| CN202853295U (en) * | 2012-09-03 | 2013-04-03 | 上海黎众木业有限公司 | Multilayer successive type veneer dryer |
| CN202902784U (en) * | 2012-10-24 | 2013-04-24 | 浦北县建业胶合板有限责任公司 | Drying device |
| CN203518476U (en) * | 2013-07-03 | 2014-04-02 | 袁安 | Veneer drying equipment |
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