CN203792843U - Double-steel-belt continuous pressing machine used for producing thermoplastic honeycomb plate - Google Patents
Double-steel-belt continuous pressing machine used for producing thermoplastic honeycomb plate Download PDFInfo
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- CN203792843U CN203792843U CN201420189576.2U CN201420189576U CN203792843U CN 203792843 U CN203792843 U CN 203792843U CN 201420189576 U CN201420189576 U CN 201420189576U CN 203792843 U CN203792843 U CN 203792843U
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- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 23
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- 238000003825 pressing Methods 0.000 title claims abstract description 22
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- 239000010959 steel Substances 0.000 claims abstract description 93
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- 238000010438 heat treatment Methods 0.000 claims abstract description 34
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a double-steel-belt continuous pressing machine used for producing a thermoplastic honeycomb plate. The pressing machine comprises pre-heating mechanisms, steel belt mechanisms, roller blanket mechanisms and cooling and shaping mechanisms, wherein the pre-heating mechanisms, the steel belt mechanisms, the roller blanket mechanisms and the cooling and shaping mechanisms are respectively arranged in the longitudinal direction correspondingly. Continuous cooling and shaping of the honeycomb plate are achieved through the complete roller blanket mechanisms on the upper portion and the lower portion and the cooling and shaping mechanisms inside; roller blankets are extended in a circulating mode, so that the roller blankets can be completely cooled, in the whole cooling and shaping processes of the honeycomb plate, the roller blankets and cooling plates are continuous, cooling requirements can always be met, and cooling efficiency, production efficiency and product quality are improved greatly. According to the thermoplastic honeycomb plate produced through the pressing machine, the honeycomb structure is stable, surface quality is good, strength is high and the area is large.
Description
Technical field
The utility model belongs to the manufacture field of cellular thermoplastic sheet material, relates in particular to a kind of two Steel-belt Continuous Press for the production of cellular thermoplastic sheet material.
Background technology
Publication number is that the patent documentation of CN102689458A discloses a kind of cellular thermoplastic plate and preparation method thereof, by double-layer composite pipe heat bonding, form honeycomb ceramics, by to honeycomb ceramics, cutting forms monolith substrate, monolith substrate is carried out to hot pressing makes its top layer fusing form glue knurl, this glue knurl volume is large and bonding strength is very high, far above the adhesive strength between tubing skin or heated filament, cuts the bonding strength of the little glue knurl in surface of formation.For the less honeycomb board of area requirements, can carry out hot pressing acquisition to single monolith substrate, for the larger honeycomb board of area requirements, after can being adjacent to by a plurality of monolith substrate amalgamations, carry out hot pressing acquisition, can obtain in theory unlimited large-area sheet material.
Publication number is that the patent documentation of CN102615917A discloses a kind of method for the production of thermoplastic composite and two Steel-belt Continuous Press, main press comprises up and down one group of symmetrical respectively driven voller and one group of drive roll and surrounds the steel band on them, and inside is divided into bringing-up section and cooling section forms; Driven voller and drive roll lay respectively at the two ends of press, are connected with frame, and bringing-up section and cooling section are positioned at frame inside, be connected form up and down two of symmetry cover heating and cooling systems respectively with frame; In the middle of two covers, running packages are around the steel band on drive roll and driven voller; Also have one to put paper upper plate system and increase a set of compression system that preheats on main press entrance driven voller; Described upper paper upper plate system: by central layer conveying roller platform, system chassis and up and down respectively the symmetrical multiple layer of two covers paper roll, two cover the first top layer paper rolls, two cover the second top layer paper rolls and six put paper deflector roll and form, upper paper deflector roll is fixed on system chassis by the bearing block of two ends; Between multiple layer paper roll and the first top layer paper roll, be provided with paper deflector roll on first, be used for the multiple layer paper of transition; Between the first top layer paper roll and the second top layer paper roll, be provided with paper deflector roll on second, be used for transition the first top layer paper; After the second top layer paper roll, be also distributed with paper deflector roll on four the 3rd, wherein one for transition and three first layers paper separately, and the paper after separately enters into and preheats compression system through the transition of other three upper paper deflector rolls; The mandrel of each paper roll is Pneumatic core shaft structure, is provided with a core assembly plate conveying roller platform between the upper and lower paper roll of every cover; Preheat compression system: by upper and lower two covers respectively symmetrical driven voller, the first heating backer roll, the second heating backer roll, three groups of radiation heating systems and transition deflector roll and elevating mechanism and lifting line slideway form, form upper and lower two cover systems; Because upper system can regulate height according to the thickness of product, so increased elevating mechanism and lifting line slideway than lower system; The first heating backer roll, the second heating backer roll and transition deflector roll two ends are provided with on the bearing block that bearing block is fixed on driven voller, by elevating mechanism, realize synchronous operation and lifting, bearing block is connected with frame, upper system is that bearing block is fixed on line slideway, then line slideway is connected with frame; Described elevating mechanism mainly comprises spiral lift, T helical bevel gear steering case, frequency conversion speed-down machine, shaft coupling and the connecting axle of two; Two spiral lift symmetries are positioned at the two ends of elevating mechanism, by shaft coupling, connecting axle and the T helical bevel gear steering case that is positioned in the middle of elevating mechanism, be connected, T helical bevel gear steering case is three axle outputs, wherein diaxon is connected with the spiral lift at two ends, another axle is connected with frequency conversion speed-down machine, synchronously drives the spiral lift at two ends by frequency conversion speed-down machine; Elevating mechanism and frame are fixed, and two spiral lifts are connected with bearing block, form and by elevating mechanism, control the lifting that preheats compression system; Driven voller, the first heating backer roll, the second heating backer roll are that hollow-core construction is connected with heating system, make driven voller, the first heating backer roll, the second heating backer roll remain certain temperature.
Above-mentioned pair of Steel-belt Continuous Press is mainly applicable to the production of solid composite sheet material, adopt the bringing-up section of preheating system and press inside to carry out two-step heating moulding, preheating system carries out preheating and gets rid of gas composite paper, bringing-up section heats and makes plane materiel and base material fully melt composite setting solid composite sheet material, then through the complete moulding of cooling section.But, the bonding strength of cellular thermoplastic sheet material mainly relies on the rapid melting of two ends up and down on its top layer to form glue knurl timely cooling and shaping, and the hot pressing time of above-mentioned pair of Steel-belt Continuous Press is longer, monolith substrate also will heat through bringing-up section after facestock layer on hot pressing between upper and lower two driven vollers is compound, will cause like this heat to conduct to the internal layer core of monolith substrate and cooling in time, so cause the honeycomb of honeycomb board to destroy, surface depression and intensity rapid drawdown.In addition, because honeycomb board is in hot pressing and follow-up when cooling, if heat, pressure are too concentrated or skewness, all can cause honeycomb board surface quality problems and the internal cellular structure damage of producing, so, also need the mechanisms such as the bringing-up section of press inside, cooling section to transform.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of this utility model is to provide a kind of two Steel-belt Continuous Press for the production of cellular thermoplastic sheet material, the cellular thermoplastic sheet material that adopts this press to produce, honeycomb is stable, surface quality is good, intensity is high, area is large.
To achieve the above object, the utility model has adopted following technical scheme:
Two Steel-belt Continuous Press for the production of cellular thermoplastic sheet material, comprise frame, and the upper and lower corresponding preheating mechanism arranging, steel band mechanism, Gun Tan mechanism and cooling and shaping mechanism, upper and lower two steel band mechanisms include the driven voller that is positioned at frame front end, be positioned at the drive roll of frame rear end and surround driven voller and drive roll on steel band, the bearing block of drive roll is connected with frame horizontal slip, thereby rack-mounted drive roll drives the bearing block of hydraulic oil cylinder driving drive roll to move forward and backward tensioning or loosen steel band, gap between upper and lower two steel bands is sheet material conveying space, upper and lower two preheating mechanisms are symmetricly set on the bearing block of upper and lower two driven vollers, comprise the preheat roll and the heating backer roll that be arranged in parallel with driven voller, preheat roll be arranged on the bearing block of driven voller and and driven voller between reserve gap, bearing block and its mounting bracket of heating backer roll are slidably connected, the mounting bracket of heating backer roll is fixed on, on the bearing block of driven voller, heating backer roll is pressed close to by the hydraulic oil cylinder driving of pressurizeing or leaves driven voller, between preheat roll and heating backer roll, be provided with heat radiation device, preheat roll, heating backer roll and driven voller are hollow-core construction, and connect outside conduction oil to maintain certain heating-up temperature by swivel joint, upper and lower two steel bands a set of Gun Tan mechanism is set respectively in the annular space of each self-forming, Gai Gun blanket mechanism is between driven voller and drive roll, Gai Gun blanket mechanism comprises roller blanket, tensioning cylinder, tightener sprocket, transition sprocket wheel, roller blanket motor, drive sprocket, fixed chain wheels A and fixed chain wheels B, tightener sprocket is installed in the mobile terminal of tensioning cylinder, tightener sprocket is driven mobile by tensioning cylinder, drive sprocket is driven and is rotated by roller blanket motor, described roller blanket comprises two the parallel chains in left and right, article two, between the respective link of chain, by roll shaft, connect, empty set roller on each roll shaft, thereby form roller blanket structure, roller blanket chain is around tightener sprocket, drive sprocket, fixed chain wheels A and fixed chain wheels B form annular, tightener sprocket and fixed chain wheels B are positioned at roller blanket away from a side of sheet material conveying space, fixed chain wheels A and drive sprocket are positioned at roller blanket near a side of sheet material conveying space, fixed chain wheels A is front, drive sprocket is rear, in roller blanket chain outside, several transition sprocket wheels are installed, at least one transition sprocket wheel is adjacent with fixed chain wheels A and be positioned at the rear of fixed chain wheels A, wherein, the top of cooling and shaping mechanism is divided and is arranged in the formed annular space of upper roll blanket, and the bottom of cooling and shaping mechanism is divided and is arranged in the formed annular space of lower rollers blanket, tensioning cylinder and fixed chain wheels B are arranged in frame, roller blanket motor, drive sprocket and fixed chain wheels A are arranged on the upper coldplate or lower coldplate in cooling and shaping mechanism, and transition sprocket wheel is arranged on the upper coldplate in cooling and shaping mechanism, lower coldplate, cornice sheathing or wainscot sheathing.
As preferably, a plurality of cornice sheathings that comprise that left and right is extended are divided on the top of described cooling and shaping mechanism, the top of cornice sheathing is connected with frame by connecting pin A, the stage casing of connecting pin A is cylindric and coordinates with the circular hole A being opened on cornice sheathing, the two ends that connecting pin A passes circular hole A are fixedly connected with frame top by fastening bolt, spread configuration several sizing oil cylinders in left and right on each cornice sheathing, sizing oil cylinder is connected with the bottom of cornice sheathing by connecting pin B, the stage casing of connecting pin B is cylindric and coordinates with the circular hole B being opened on cornice sheathing, the two ends that connecting pin B passes circular hole B are fixedly connected with sizing oil cylinder by fastening bolt, the mobile terminal, bottom of sizing oil cylinder is provided with the T shape groove that extend left and right, above upper stereotype plate, be fixed with T shape contiguous block, T shape contiguous block is pegged graft and is coordinated with T shape groove, the below of upper stereotype plate is fixedly connected with coldplate, a plurality of wainscot sheathings that are parallel to each other that comprise that left and right is extended are divided in the bottom of cooling and shaping mechanism, the bottom of wainscot sheathing is connected with frame by connecting pin C, the stage casing of connecting pin C is cylindric and coordinates with the circular hole C being opened on wainscot sheathing, the two ends that connecting pin C passes circular hole C are fixedly connected with frame bottom by fastening bolt, the top of these wainscot sheathings is connected with lower coldplate by connecting pin D, the stage casing of connecting pin D is cylindric and coordinates with the circular hole D being opened on wainscot sheathing, the two ends that connecting pin D passes circular hole D are fixedly connected with lower coldplate by fastening bolt, distribution conduction oil passage in upper coldplate and lower coldplate, upper coldplate is connected with external refrigeration fluid circulation with lower coldplate.Rational in infrastructure like this, easy for installation, long service life.
Further preferably, between described upper stereotype plate and upper coldplate, be provided with metallic plate and fiberboard, fiberboard is corresponding with position under sizing oil cylinder, and the both sides of fiberboard are metallic plate.Distribution of forces is even like this, avoids coldplate distortion, improves the quality of products.
Further preferably, described upper coldplate is provided with guide plate, guide plate is on adjacent two between stereotype plate, guide plate is fixedly connected with upper coldplate, and extend about guide plate and two ends, left and right are stretched into respectively between two columns of the frame left and right sides and it is spacing before and after column to be subject to and left and right is spacing.Such spacing guide frame is reasonable in design, easy for installation, cost is low.
Further preferably, the two ends, left and right of described guide plate are arranged with guiding mount pad and copper sheathing, and guiding mount pad is connected with the horizontal sleeve of guide plate, and copper sheathing is connected with the horizontal sleeve of guiding mount pad, and copper sheathing contacts with framework pillar.
As preferably, one end of described preheat roll is provided with drive motors and the deceleration device of preheat roll, and deceleration device is set on the axle of preheat roll, and a side of deceleration device and the bearing block of preheat roll are hinged, and the opposite side of deceleration device is fixedly connected with drive motors.
As preferably, described steel band mechanism also includes steel belt deviation checkout gear, described steel belt deviation checkout gear is arranged in the frame of the steel band left and right sides, comprise baffle plate A, mounting bracket A, connecting rod A, extension spring A, trigger support A and sensors A, baffle plate A is positioned at left side or the right side of steel band, baffle plate A is provided with wear-resistant pad for the one side contacting with steel band, baffle plate A is fixed on one end of connecting rod A, the other end of connecting rod A is fixedly connected with triggering support A after passing the through hole on mounting bracket A, triggering support A is connected with mounting bracket A by extension spring A, the stop nut A that is threaded on connecting rod A and offsets and contact with mounting bracket A, stop nut A and baffle plate A lay respectively at the both sides of mounting bracket A, sensors A with trigger the support A setting that matches, mounting bracket A and sensors A are fixed in frame.
As preferably, described steel band mechanism also includes rectifying device for steel belt, described rectifying device for steel belt is arranged on that steel band is formed to be held in circle, comprise two deviation rectification rollers that contact with steel band in rolling, it is poor that two deviation rectification rollers arrange setting height(from bottom), one end of two deviation rectification rollers is fixed, the other end of two deviation rectification rollers is movable and by the oscilaltion of correction hydraulic oil cylinder driving, the bearing block of the stiff end of two deviation rectification rollers is fixedly connected with frame 7, the bearing block of the movable end of two deviation rectification rollers is connected with the mobile terminal of rack-mounted correction oil cylinder, the bearing block of deviation rectification roller is provided with the sensor B that rotates situation for detection of deviation rectification roller.
As preferably, described steel band mechanism also includes steel band oil-scraping device, described steel band oil-scraping device comprises the crossbeam that extend left and right, crossbeam is fixedly connected with frame, on crossbeam, left and right is disposed with a plurality of scrapers, each scraper is fixed on one end of a lever, the other end of this lever is weight fixedly, hinged with crossbeam in the middle of this lever, the all perks offset and contact with the lower surface of steel band under the effect of its lever weighting of each scraper, in crossbeam bottom, be provided with for collecting the oil trap of the greasy dirt flowing down along scraper, oil trap is connected with lubricant recovery device.
As preferably, described Gun Tan mechanism also comprises roller blanket mechanical detection means, described roller blanket mechanical detection means is arranged on front side or the rear side of roller blanket, comprise swing depression bar, extension spring, rotating shaft, swing and trigger sheet and sensor C, rotating shaft is arranged in frame by bearing, one end of rotating shaft is fixedly connected with the one end that swings depression bar, the other end and the roller blanket that swing depression bar are pressed tactile, the fixing swing of the other end of rotating shaft triggered sheet, swinging triggering sheet coordinates with rack-mounted sensor C, the pressure contravention that swings depression bar has the arc convex that the roller with roller blanket adapts, thereby extension spring is connected to the trend of giving swing depression bar pressure contravention hold-down roller blanket between depression bar and frame that swings, during the running of roller blanket, swinging depression bar presses the arc convex of contravention at the roller of roller blanket and the gap rise and fall between roller, thereby drive swing depression bar centered by rotating shaft, to carry out back and forth swinging continuously, the swing swinging of synchronizeing with swing depression bar triggers the just continuous trigger sensor C of sheet.
As preferably, described Gun Tan mechanism also comprises roller blanket proximity test device, described roller blanket proximity test device is arranged on front side or the rear side of roller blanket, comprise mounting bracket, proximity transducer, connecting screw rod, pressing plate and wear-resistant pad, mounting bracket is arranged in frame, wear-resistant pad contacts with roller blanket, wear-resistant pad is fixed on a side of pressing plate, the fixing many connecting screw rods of opposite side of pressing plate, one end of connecting screw rod is through through hole the nut that is threaded on mounting bracket, on connecting screw rod, be arranged with stage clip, stage clip offsets with pressing plate and mounting bracket respectively, connecting screw rod is connected by nut and mounting bracket are spacing, the center of wear-resistant pad and pressing plate has through hole, proximity transducer is fixed on pressing plate and through this through hole.
The utility model is owing to having adopted above technical scheme, adopt each complete Gun Tan mechanism up and down, with and inner cooling and shaping mechanism, realize the continuous cooling and shaping of honeycomb board, the circulation of roller blanket extends like this, can be so that roller blanket is fully cooling, and in the whole cooling and shaping process of honeycomb board, roller blanket and coldplate, less than being interrupted, can provide cooling needs all the time, thereby greatly improve cooling effectiveness, production efficiency and product quality.The cellular thermoplastic sheet material that adopts this press to produce, honeycomb is stable, surface quality is good, intensity is high, area is large.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model press;
Fig. 2 is the structural representation of the utility model preheating mechanism;
Fig. 3 is the drives structure schematic diagram of preheat roll;
Fig. 4 is the drives structure schematic diagram of drive roll;
Fig. 5 is the structural representation of steel belt deviation checkout gear;
Fig. 6 is the structural representation of steel band oil-scraping device;
Fig. 7 is the structural representation (side-looking) of rectifying device for steel belt;
Fig. 8 is the structural representation (overlooking) of rectifying device for steel belt;
The structural representation of Tu9Shi Gun blanket mechanism;
Figure 10 is the structural representation of roller blanket mechanical detection means;
Figure 11 is the side view of Figure 10;
Figure 12 is the structural representation of roller blanket proximity test device;
Figure 13 be in cooling and shaping mechanism upper coldplate one of schematic diagram is set;
Figure 14 be in cooling and shaping mechanism upper coldplate two of schematic diagram is set;
Figure 15 is the schematic diagram that arranges of rebound;
Figure 16 is that the A of Figure 15 is to view;
Figure 17 is the schematic diagram that arranges that descends coldplate in cooling and shaping mechanism.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is made a detailed explanation.In order to express easily, orientation is defined as follows: sheet material throughput direction is front, and after the rightabout that sheet material is carried is, the both sides of sheet material throughput direction are left and right.
Embodiment 1:
A kind of two Steel-belt Continuous Press for the production of cellular thermoplastic sheet material as shown in Figure 1, comprise frame 7 and the upper and lower corresponding preheating mechanism 1,1 ' arranging, steel band mechanism 3,3 ', Gun Tan mechanism 4,4 ' and cooling and shaping mechanism.
Described steel band mechanism is divided into upper and lower corresponding two of arranging, each steel band mechanism include be positioned at frame 7 front ends driven voller 12, be positioned at the drive roll 6 of frame 7 rear ends and surround driven voller 12 and drive roll 6 on steel band 8, the gap between upper and lower two steel bands 8 is sheet material conveying space.As shown in Figure 4, the bearing block 61 of drive roll 6 is connected by guide rail horizontal slip with frame 7, thereby the drive roll being arranged in frame 7 drives oil cylinder 62 to drive the bearing block 61 of drive roll 6 to move forward and backward tensioning or loosen steel band 8.
Described steel band mechanism also includes steel belt deviation checkout gear, rectifying device for steel belt and steel band oil-scraping device.As shown in Figure 5, steel belt deviation checkout gear is arranged in the frame 7 of steel band 8 left and right sides, comprise baffle plate A801, mounting bracket A802, connecting rod A803, extension spring A804, trigger support A805 and sensors A 806, baffle plate A801 is positioned at left side or the right side of steel band 8, baffle plate A801 is provided with wear-resistant pad for the one side contacting with steel band 8, contact and bring wearing and tearing with the steel band turning round avoiding, baffle plate A801 is fixed on one end of connecting rod A803, the other end of connecting rod A803 is fixedly connected with triggering support A805 after passing the through hole on mounting bracket A802, triggering support A805 is connected with mounting bracket A802 by extension spring A804, the stop nut A that is threaded on connecting rod A803 and offsets and contact with mounting bracket A802, stop nut A and baffle plate A801
Lay respectively at the both sides of mounting bracket A802, sensors A 806 with trigger the support A805 setting that matches, mounting bracket A802 and sensors A 806 are fixed in frame 7; Like this, extension spring A804 gives the trend of baffle plate A801 near steel band 8, and stop nut A has limited the initial position of baffle plate A801, when steel band 8 sideslip, steel band 8 meeting promotion baffle plate A801 and the triggering support A805 being fixedly connected with thereof move and then impel sensors A 806 to produce offset signals to sensors A 806.As shown in Figure 7, Figure 8, rectifying device for steel belt is arranged on that steel band 8 is formed to be held in circle, comprise two deviation rectification rollers 812 that roll and contact with steel band 8, it is poor that two deviation rectification rollers 812 arrange setting height(from bottom), one end of two deviation rectification rollers 812 is fixed, the other end activity of two deviation rectification rollers 812 also drives oscilaltions by correction oil cylinder 814, the bearing block 813 of the stiff end of two deviation rectification rollers 812 is fixedly connected with frame 7 by securing member, and the bearing block 813 of the movable end of two deviation rectification rollers 812 is flexibly connected with the mobile terminal that is arranged on the correction oil cylinder 814 in frame 7; Like this, in the installation and debugging stage, by adjusting installation site and the depth of parallelism of driven voller 12, drive roll 6 and two deviation rectification rollers 812, guarantee that steel band runs well, in course of normal operation, when steel belt deviation checkout gear detects steel belt deviation, control module sends a signal to rectifying device for steel belt, produce small upper-lower position and change, thereby the relative tensioning degree that changes steel band 8 left and right sides impels steel band return by the movable end of correction oil cylinder 814 error correct rollers 812.In order to guarantee that deviation rectification roller and steel band are to roll to contact, avoid hard friction contact, the bearing block 813 of deviation rectification roller 812 is provided with the sensor B814 that rotates situation for detection of deviation rectification roller, in the present embodiment, two deviation rectification rollers 812 are in transmission connection by sprocket wheel 815, and sensor B814 detects the operational situation of sprocket wheel 815 and then obtains the rotation situation of two deviation rectification rollers.
In the operation process of steel band mechanism He Gun blanket mechanism, need lubricant sprayer to be lubricated, but lubricating oil is too much or skewness also can affect the working condition of associated mechanisms, for this reason, steel band oil-scraping device need to be set, consider that lubricating oil spray equipment operated by rotary motion is in the steel band ring of encirclement, too much lubricating oil generally can gather at the lower surface of steel band drippage and pollute, therefore, following steel band oil-scraping device is preferably set: as shown in Figure 6, comprise the crossbeam 807 that extend left and right, crossbeam 807 is fixedly connected with frame 7, on crossbeam 807, left and right is disposed with a plurality of scrapers 809, each scraper 809 is fixed on one end of a lever 808, the other end of this lever 808 is weight 810 fixedly, hinged with crossbeam 807 in the middle of this lever 808, the all perks offset and contact with the lower surface of steel band under the effect of its lever weighting of each scraper 809, in crossbeam 807 bottoms, be provided with for collecting the oil trap 811 of the greasy dirt flowing down along scraper 809, oil trap 811 is connected with lubricant recovery device.
In order to be applicable to produce the sheet material of different-thickness, the height of the drive roll in the steel band mechanism 3 on top is higher than its driven voller, driven voller in the steel band mechanism 3 on top is arranged to be driven by elevating mechanism 2 can oscilaltion, the elevating mechanism structure of elevating mechanism 2 in can the patent documentation that be CN102615917A with publication number is identical, also can be different, as long as can realize driven voller two ends synchronization lifting.Driven voller in the steel band mechanism 3 ' of bottom and the height of drive roll are fixed, the datum level that enters and carry to establish monolith substrate.
Upper and lower two preheating mechanisms 1,1 ' are symmetricly set on the bearing block 11 of upper and lower two driven vollers 12, as shown in Figure 2, comprise the preheat roll 152 and the heating backer roll 132 that be arranged in parallel with driven voller 12, the mounting bracket 15 of preheat roll 152 is fixed on the bearing block 11 of driven voller 12 by securing member, the added deflector roll 153 that is provided with of bearing block 151 of preheat roll 152, the bearing block of deflector roll 153 is fixed on the bearing block 151 of preheat roll 152, bearing block 151 and the mounting bracket 15 of preheat roll 152 are slidably connected and pass through connecting screw rod 154, nut check is fixed, as shown in Figure 3, one end of preheat roll 152 is provided with drive motors 158 and the deceleration device 157 of preheat roll, deceleration device 157 is set on the axle 156 of preheat roll 152, one side of deceleration device 157 and the bearing block 151 of preheat roll 152 are hinged, the opposite side of deceleration device 157 is fixedly connected with drive motors 158, as shown in Figure 2, the bearing block 131 of heating backer roll 132 is slidably connected with its mounting bracket 13, and drives or leave driven voller 12 by pressurization oil cylinder 134.Between preheat roll 152 and heating backer roll 132, be provided with heat radiation device 14, preheat roll 152, heating backer roll 132 and driven voller 12 are hollow-core construction, by swivel joint, connect outside conduction oil to maintain certain heating-up temperature.Adopt a preheat roll to carry out preheating to cloth matter plane materiel, cloth matter plane materiel and composite membrane after adopting a heating backer roll to preheating carry out roll-in exhaust and further heating, again by upper and lower two driven vollers and steel band cloth matter plane materiel and composite membrane on the upper and lower surface of monolith substrate is compound, through practice test, preheating mechanism of the present utility model is with respect to the preheating mechanism that adopts two heating backer rolls, more reasonable, the honeycomb board surface quality of production is better, intensity is higher.For above-mentioned preheat roll and heating backer roll, can adopt active rotation or passive rotation, but consider drive roll 6, the factor considerations such as 6 ' load limit and raising hot pressing composite quality, preferably both are active rotation.
Described Gun Tan mechanism is divided into upper and lower corresponding two 4 of arranging, 4 ', as shown in Figure 9, include roller blanket 401, tensioning cylinder 402, transition sprocket wheel 404, roller blanket motor 405, drive sprocket 406, fixed chain wheels A407 and fixed chain wheels B408, tightener sprocket 403 is installed in the mobile terminal of tensioning cylinder 402, tightener sprocket 403 drives mobile by tensioning cylinder 402, drive sprocket 406 is driven and is rotated by roller blanket motor 405, described roller blanket 401 comprises two the parallel chains in left and right, article two, between the respective link of chain, by roll shaft, connect, empty set roller on each roll shaft, thereby form roller blanket structure, roller blanket 401 chains are around tightener sprocket 403, drive sprocket 406, fixed chain wheels A407 and fixed chain wheels B408 form annular, tightener sprocket 403 and fixed chain wheels B408 are positioned at roller blanket away from a side of sheet material conveying space, fixed chain wheels A407 and drive sprocket 406 are positioned at roller blanket near a side of sheet material conveying space, fixed chain wheels A407 is front, drive sprocket 406 is rear, in roller blanket 401 chain outsides, several transition sprocket wheels 404 are installed, at least one transition sprocket wheel 404 is adjacent with fixed chain wheels A407 and be positioned at the back upper place of fixed chain wheels A407.Wherein, tensioning cylinder 402 and fixed chain wheels B408 are arranged in frame, roller blanket motor 405, drive sprocket 406 and fixed chain wheels A407 are arranged on coldplate 908 or lower coldplate 910, and transition sprocket wheel 404 is arranged on coldplate 908, lower coldplate 910, cornice sheathing 901 or wainscot sheathing 912.The above-mentioned improvement to the position of drive sprocket 406, fixed chain wheels A407 and transition sprocket wheel 404 thereof, has guaranteed stability and reliability that roller blanket is carried, has avoided roller blanket excessively to rock and has caused damage, also facilitates roller blanket to adjust up and down with upper coldplate.
Because of the fabric width of roller blanket larger, the roll shaft that length is very long only has two end supports to connect, roll shaft and cover roller are thereon in operation process, middle part all can produce and rock, once produce roller dislocation, stack or damage displacement, all can cause serious production accident, for this reason, the present embodiment is provided with roller blanket mechanical detection means and roller blanket proximity test device, adopts Through Several Survey Measure pair roller blanket to carry out checking reliably in time, avoids fault to occur.As Figure 10, shown in Figure 11, described roller blanket mechanical detection means is arranged on front side or the rear side of roller blanket 401, comprise and swing depression bar 409, extension spring 410, rotating shaft 411, swing and trigger sheet 412 and sensor C413, rotating shaft 411 is arranged in frame by bearing, one end of rotating shaft 411 is fixedly connected with the one end that swings depression bar 409, the other end and the roller blanket that swing depression bar 409 are pressed tactile, the fixing swing of the other end of rotating shaft 411 triggered sheet 412, swinging triggering sheet 412 coordinates with rack-mounted sensor C413, the pressure contravention that swings depression bar 409 has the arc convex that the roller with roller blanket adapts, thereby extension spring 410 is connected to the trend of giving swing depression bar 409 pressure contravention hold-down roller blankets 401 between depression bar 409 and frame that swings, during 401 running of roller blanket, swinging depression bar 409 presses the arc convex of contravention at the roller of roller blanket and the gap rise and fall between roller, drive swing depression bar 409 centered by rotating shaft 411, to carry out back and forth swinging continuously, the swing swinging of synchronizeing with swing depression bar 409 triggers the just continuous trigger sensor C413 of sheet 412, by off time and counting, just can judge whether the roller of roller blanket exists superimposed like this, damage or disappearance.As shown in figure 12, roller blanket proximity test device is arranged on front side or the rear side of roller blanket 401, comprise mounting bracket 414, proximity transducer 415, connecting screw rod 416, pressing plate 418 and wear-resistant pad 417, mounting bracket 414 is arranged in frame, wear-resistant pad 417 contacts with roller blanket 401, wear-resistant pad 417 is fixed on a side of pressing plate 418, the fixing many connecting screw rods 416 of opposite side of pressing plate 418, one end of connecting screw rod 416 is through through hole the nut that is threaded on mounting bracket 414, on connecting screw rod 416, be arranged with stage clip, stage clip offsets with pressing plate 418 and mounting bracket 414 respectively, connecting screw rod 416 is connected with mounting bracket 414 is spacing by nut, wear-resistant pad 417 and pressing plate 418 center have through hole, proximity transducer 415 is fixed on pressing plate 418 and through this through hole.
Described cooling and shaping mechanism comprises upper and lower two parts, a plurality of cornice sheathings that are parallel to each other 901 that comprise that left and right is extended are divided on top, as Figure 13, shown in Figure 14, the top of cornice sheathing 901 is connected with frame by connecting pin A900, the stage casing of connecting pin A900 is cylindric and coordinates with the circular hole A being opened on cornice sheathing 901, the two ends that connecting pin A900 passes circular hole A are fixedly connected with frame top by fastening bolt, spread configuration several sizing oil cylinders 903 in left and right on each cornice sheathing 901, sizing oil cylinder 903 is connected with the bottom of cornice sheathing 901 by connecting pin B902, the stage casing of connecting pin B902 is cylindric and coordinates with the circular hole B being opened on cornice sheathing 901, the two ends that connecting pin B902 passes circular hole B are fixedly connected with sizing oil cylinder 903 by fastening bolt, the mobile terminal, bottom of sizing oil cylinder 903 is provided with the T shape groove that extend left and right, upper stereotype plate 905 is fixed with T shape contiguous block 904 above, T shape contiguous block 904 is pegged graft and is coordinated with T shape groove.Like this, adopt connecting pin to install wallboard and be connected sizing oil cylinder, the oil cylinder of shaping is connected with upper stereotype plate employing T shape contiguous block, not only facilitates installation and maintenance, and such movable connection method can be avoided stress to concentrate on oil cylinder and frame and cause damage.The below of upper stereotype plate 905 is fixedly connected with coldplate 908, is provided with metallic plate 907 and fiberboard 906 between upper stereotype plate 905 and upper coldplate 908, and fiberboard 906 is corresponding with position under sizing oil cylinder 903, and the both sides of fiberboard 906 are metallic plate 907.Like this, the pressure that sizing oil cylinder is applied to stereotype plate part can redistribute by rigidity, the retractility difference of fiberboard and metallic plate, thereby the pressure of the oil cylinder 903 of guaranteeing to shape is evenly applied to the upper surface of coldplate, rather than concentrate on part, avoid upper coldplate because unbalance stress produces deformation, improved planarization and the surface quality of converted products.Upper stereotype plate 905 and sizing oil cylinder 903 corresponding settings one by one, on polylith, stereotype plate is array format and is distributed in above coldplate, so not only facilitates each pressure of oil cylinder of shaping of installation and debugging and control, and has reduced requirement on machining accuracy and manufacturing cost.Upper coldplate is an en-block construction design, coldplate of Ji Yigegun blanket mechanism, on a coldplate, be array format correspondence a plurality of upper stereotype plates and sizing oil cylinder thereof are set, between adjacent upper stereotype plate, leave gap, fiberfill fibers plate material in gap, because coldplate shows slightly pliability with respect to upper stereotype plate, so such structural design makes coldplate have better adaptability when being subject to the reaction force of sheet material, especially in close sheet material entry position.As shown in figure 14, upper coldplate 908 is provided with guide plate 909, guide plate 909 is on adjacent two between stereotype plate 905, and guide plate 909 is fixedly connected with upper coldplate 908, and the gap-fill between guide plate 909 and two upper stereotype plates 905 has fibre board material.As shown in Figure 15, Figure 16, extend guide plate 909 left and right and two ends, left and right are stretched into respectively between two columns 701 of frame 7 left and right sides and be subject to that column 701 front and back are spacing and left and right is spacing, the two ends, left and right of guide plate 909 are arranged with guiding mount pad 9091 and copper sheathing 9092, guiding mount pad 9091 is connected with the horizontal sleeve of guide plate 909, copper sheathing 9092 is connected with the horizontal sleeve of guiding mount pad 9091, copper sheathing 9092 and framework pillar 701 sliding-contacts, facilitate like this installation and debugging, structure is more reasonable, the movement of upper coldplate while having avoided steel band running.
As shown in figure 17, a plurality of wainscot sheathings that are parallel to each other 912 that comprise that left and right is extended are divided in the bottom of described cooling and shaping mechanism, the bottom of wainscot sheathing 912 is connected with frame by connecting pin C913, the stage casing of connecting pin C913 is cylindric and coordinates with the circular hole C being opened on wainscot sheathing 912, the two ends that connecting pin C913 passes circular hole C are fixedly connected with frame bottom by fastening bolt, these wainscot sheathing 912 tops are connected with lower coldplate 910 by connecting pin D911, the stage casing of connecting pin D911 is cylindric and coordinates with the circular hole D being opened on wainscot sheathing 912, the two ends that connecting pin D911 passes circular hole D are fixedly connected with lower coldplate 910 by fastening bolt, in order to limit lower coldplate, move, on lower coldplate, be fixed with equally similar with upper coldplate for coordinate the guide plate that carries out Horizontal limiting with framework pillar.Distribution conduction oil passage in upper coldplate and lower coldplate, upper coldplate is connected with external refrigeration fluid circulation with lower coldplate.
A kind of production method of cellular thermoplastic sheet material, comprise as above pair of Steel-belt Continuous Press, tabular monolith substrate is sent into from the steel band gap between two driven vollers, cloth matter plane materiel and composite membrane are through upper and lower preheating mechanism 1, 1 ' carries out after preheating and extruding exhaust, hot repressing is compounded on the end face and bottom surface of monolith substrate, be compounded with the honeycomb board of cloth matter plane materiel along with cooling and shaping is carried out in two Steel-belt Continuous Press inside that delivers into of steel band, the heat on honeycomb board surface is via steel band, roller blanket is passed to coldplate, by conduction oil mobile in coldplate, take away heat again, honeycomb board after cooling forming is sent from the steel band gap between two drive rolls.The patent documentation that the acquisition of described monolith substrate is CN102689458A referring to publication number.
Adopt the cooling and shaping of a complete roller blanket winding machine honeycomb board, the circulation of roller blanket extends like this, can be so that roller blanket be fully cooling, and in the whole cooling and shaping process of honeycomb board, roller blanket and coldplate are less than being interrupted, all the time cooling needs be can provide, thereby cooling effectiveness, production efficiency and product quality greatly improved.
It is emphasized that: be only preferred embodiment of the present utility model above, not the utility model is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. for the production of two Steel-belt Continuous Press of cellular thermoplastic sheet material, it is characterized in that, comprise frame (7), and the upper and lower corresponding preheating mechanism arranging, steel band mechanism, Gun Tan mechanism and cooling and shaping mechanism, upper and lower two steel band mechanisms include the driven voller (12) that is positioned at frame (7) front end, be positioned at the drive roll (6) of frame (7) rear end and surround driven voller (12) and drive roll (6) on steel band (8), the bearing block (61) of drive roll (6) is connected with frame (7) horizontal slip, be arranged on drive roll in frame (7) drive oil cylinder (62) to drive the bearing block (61) of drive roll (6) thus move forward and backward tensioning or loosen steel band (8), gap between upper and lower two steel bands (8) is sheet material conveying space,
Upper and lower two preheating mechanisms are symmetricly set on the bearing block (11) of upper and lower two driven vollers (12), comprise the preheat roll (152) and the heating backer roll (132) that be arranged in parallel with driven voller (12), preheat roll (152) be arranged on the bearing block (11) of driven voller (12) upper and and driven voller (12) between reserve gap, the bearing block (131) of heating backer roll (132) is slidably connected with its mounting bracket (13), the mounting bracket (13) of heating backer roll (132) is fixed on, on the bearing block (11) of driven voller (12), heating backer roll (132) drives or leaves driven voller (12) by pressurization oil cylinder (134), between preheat roll (152) and heating backer roll (132), be provided with heat radiation device (14), preheat roll (152), heating backer roll (132) and driven voller (12) are hollow-core construction, and connect outside conduction oil to maintain certain heating-up temperature by swivel joint,
Upper and lower two steel bands (8) a set of Gun Tan mechanism is set respectively in the annular space of each self-forming, Gai Gun blanket mechanism is positioned between driven voller (12) and drive roll (6), Gai Gun blanket mechanism comprises roller blanket (401), tensioning cylinder (402), tightener sprocket (403), transition sprocket wheel (404), roller blanket motor (405), drive sprocket (406), fixed chain wheels A(407) and fixed chain wheels B(408), tightener sprocket (403) is installed in the mobile terminal of tensioning cylinder (402), tightener sprocket (403) is driven mobile by tensioning cylinder (402), drive sprocket (406) is driven and is rotated by roller blanket motor (405), described roller blanket (401) comprises two the parallel chains in left and right, article two, between the respective link of chain, by roll shaft, connect, empty set roller on each roll shaft, thereby form roller blanket structure, roller blanket chain is around tightener sprocket (403), drive sprocket (406), fixed chain wheels A(407) and fixed chain wheels B(408) form annular, tightener sprocket (403) and fixed chain wheels B(408) be positioned at roller blanket away from a side of sheet material conveying space, fixed chain wheels A(407) and drive sprocket (406) be positioned at roller blanket near a side of sheet material conveying space, fixed chain wheels A(407) front, drive sprocket (406) is rear, in roller blanket chain outside, several transition sprocket wheels (404) are installed, at least one transition sprocket wheel (404) and fixed chain wheels A(407) adjacent and be positioned at fixed chain wheels A(407) rear,
Wherein, the top of cooling and shaping mechanism is divided and is arranged in the formed annular space of upper roll blanket, and the bottom of cooling and shaping mechanism is divided and is arranged in the formed annular space of lower rollers blanket; Tensioning cylinder (402) and fixed chain wheels B(408) be arranged in frame, roller blanket motor (405), drive sprocket (406) and fixed chain wheels A(407) be arranged on the upper coldplate (908) or lower coldplate (910) in cooling and shaping mechanism, transition sprocket wheel (404) is arranged on the upper coldplate (908) in cooling and shaping mechanism, lower coldplate (910), cornice sheathing (901) or wainscot sheathing (912).
2. two Steel-belt Continuous Press for the production of cellular thermoplastic sheet material according to claim 1, it is characterized in that, a plurality of cornice sheathings (901) that comprise that left and right is extended are divided on the top of described cooling and shaping mechanism, the top of cornice sheathing (901) is by connecting pin A(900) be connected with frame, connecting pin A(900) stage casing is cylindric and coordinates with the circular hole A being opened on cornice sheathing (901), connecting pin A(900) two ends that pass circular hole A are fixedly connected with frame top by fastening bolt, several sizing oil cylinders (903) of the upper left and right of each cornice sheathing (901) spread configuration, sizing oil cylinder (903) is by connecting pin B(902) be connected with the bottom of cornice sheathing (901), connecting pin B(902) stage casing is cylindric and coordinates with the circular hole B being opened on cornice sheathing (901), connecting pin B(902) two ends that pass circular hole B are fixedly connected with sizing oil cylinder (903) by fastening bolt, the mobile terminal, bottom of sizing oil cylinder (903) is provided with the T shape groove that extend left and right, upper stereotype plate (905) is fixed with T shape contiguous block (904) above, T shape contiguous block (904) is pegged graft and is coordinated with T shape groove, the below of upper stereotype plate (905) is fixedly connected with coldplate (908), a plurality of wainscot sheathings that are parallel to each other (912) that comprise that left and right is extended are divided in the bottom of cooling and shaping mechanism, the bottom of wainscot sheathing (912) is by connecting pin C(913) be connected with frame, connecting pin C(913) stage casing is cylindric and coordinates with the circular hole C being opened on wainscot sheathing (912), connecting pin C(913) two ends that pass circular hole C are fixedly connected with frame bottom by fastening bolt, the top of these wainscot sheathings (912) is by connecting pin D(911) be connected with lower coldplate (910), connecting pin D(911) stage casing is cylindric and coordinates with the circular hole D being opened on wainscot sheathing (912), connecting pin D(911) two ends that pass circular hole D are fixedly connected with lower coldplate (910) by fastening bolt, distribution conduction oil passage in upper coldplate and lower coldplate, upper coldplate is connected with external refrigeration fluid circulation with lower coldplate.
3. two Steel-belt Continuous Press for the production of cellular thermoplastic sheet material according to claim 2, it is characterized in that, described upper coldplate (908) is provided with guide plate (909), guide plate (909) is positioned between two adjacent upper stereotype plates (905), guide plate (909) is fixedly connected with upper coldplate (908), and extend about guide plate (909) and two ends, left and right are stretched into respectively between two columns (701) of frame (7) left and right sides and it is spacing before and after column (701) to be subject to and left and right is spacing.
4. two Steel-belt Continuous Press for the production of cellular thermoplastic sheet material according to claim 1, it is characterized in that, described steel band mechanism also includes steel belt deviation checkout gear, described steel belt deviation checkout gear is arranged in the frame (7) of steel band (8) left and right sides, comprise baffle plate A(801), mounting bracket A(802), connecting rod A(803), extension spring A(804), trigger support A(805) and sensors A (806), baffle plate A(801) be positioned at left side or the right side of steel band (8), baffle plate A(801) for the one side contacting with steel band (8), be provided with wear-resistant pad, baffle plate A(801) be fixed on connecting rod A(803) one end, connecting rod A(803) the other end is through mounting bracket A(802) on through hole after with trigger support A(805) be fixedly connected with, trigger support A(805) by extension spring A(804) with mounting bracket A(802) be connected, connecting rod A(803) on, be threaded and mounting bracket A(802) the stop nut A that offsets and contact, stop nut A and baffle plate A(801) lay respectively at mounting bracket A(802) both sides, sensors A (806) and triggering support A(805) setting matches, mounting bracket A(802) and sensors A (806) be fixed in frame (7).
5. two Steel-belt Continuous Press for the production of cellular thermoplastic sheet material according to claim 1, it is characterized in that, described steel band mechanism also includes rectifying device for steel belt, described rectifying device for steel belt is arranged on that steel band (8) is formed to be held in circle, comprise two deviation rectification rollers (812) that roll and contact with steel band (8), it is poor that two deviation rectification rollers (812) arrange setting height(from bottom), one end of two deviation rectification rollers (812) is fixed, the other end activity of two deviation rectification rollers (812) also drives oscilaltion by correction oil cylinder (814), the bearing block of the stiff end of two deviation rectification rollers (812) is fixedly connected with frame 7, the bearing block of the movable end of two deviation rectification rollers (812) is connected with the mobile terminal that is arranged on the correction oil cylinder (814) in frame (7), the bearing block of deviation rectification roller (812) is provided with the sensor B(814 that rotates situation for detection of deviation rectification roller).
6. two Steel-belt Continuous Press for the production of cellular thermoplastic sheet material according to claim 1, it is characterized in that, described steel band mechanism also includes steel band oil-scraping device, described steel band oil-scraping device comprises the crossbeam (807) that extend left and right, crossbeam (807) is fixedly connected with frame (7), the upper left and right of crossbeam (807) is disposed with a plurality of scrapers (809), each scraper (809) is fixed on one end of a lever (808), the other end of this lever (808) is weight (810) fixedly, hinged with crossbeam (807) in the middle of this lever (808), all perks offset and contact with the lower surface of steel band under the effect of its lever weighting of each scraper (809), in crossbeam (807) bottom, be provided with for collecting the oil trap (811) of the greasy dirt flowing down along scraper (809), oil trap (811) is connected with lubricant recovery device.
7. two Steel-belt Continuous Press for the production of cellular thermoplastic sheet material according to claim 1, it is characterized in that, described Gun Tan mechanism also comprises roller blanket mechanical detection means, described roller blanket mechanical detection means is arranged on front side or the rear side of roller blanket (401), comprise and swing depression bar (409), extension spring (410), rotating shaft (411), swing and trigger sheet (412) and sensor C(413), rotating shaft (411) is arranged in frame by bearing, one end of rotating shaft (411) is fixedly connected with the one end that swings depression bar (409), the other end and the roller blanket that swing depression bar (409) are pressed tactile, the fixing swing of the other end of rotating shaft (411) triggered sheet (412), swing and trigger sheet (412) and rack-mounted sensor C(413) coordinate, the pressure contravention that swings depression bar (409) has the arc convex that the roller with roller blanket adapts, extension spring (410) be connected to swing depression bar (409) thereby and between frame, give the trend that depression bar (409) is pressed contravention hold-down roller blanket (401) that swings, during roller blanket (401) running, swinging depression bar (409) presses the arc convex of contravention at the roller of roller blanket and the gap rise and fall between roller, thereby drive swing depression bar (409) centered by rotating shaft (411), to carry out back and forth swinging continuously, the swing swinging of synchronizeing with swing depression bar (409) triggers the just continuous trigger sensor C(413 of sheet (412)).
8. two Steel-belt Continuous Press for the production of cellular thermoplastic sheet material according to claim 1, it is characterized in that, described Gun Tan mechanism also comprises roller blanket proximity test device, described roller blanket proximity test device is arranged on front side or the rear side of roller blanket (401), comprise mounting bracket (414), proximity transducer (415), connecting screw rod (416), pressing plate (418) and wear-resistant pad (417), mounting bracket (414) is arranged in frame, wear-resistant pad (417) contacts with roller blanket (401), wear-resistant pad (417) is fixed on a side of pressing plate (418), the fixing many connecting screw rods (416) of opposite side of pressing plate (418), one end of connecting screw rod (416) is through through hole the nut that is threaded on mounting bracket (414), connecting screw rod is arranged with stage clip on (416), stage clip offsets with pressing plate (418) and mounting bracket (414) respectively, connecting screw rod (416) is by nut and spacing connection of mounting bracket (414), the center of wear-resistant pad (417) and pressing plate (418) has through hole, proximity transducer (415) is fixed on pressing plate (418) and goes up and pass this through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189576.2U CN203792843U (en) | 2014-04-18 | 2014-04-18 | Double-steel-belt continuous pressing machine used for producing thermoplastic honeycomb plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189576.2U CN203792843U (en) | 2014-04-18 | 2014-04-18 | Double-steel-belt continuous pressing machine used for producing thermoplastic honeycomb plate |
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| Publication Number | Publication Date |
|---|---|
| CN203792843U true CN203792843U (en) | 2014-08-27 |
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|---|---|---|---|
| CN201420189576.2U Expired - Lifetime CN203792843U (en) | 2014-04-18 | 2014-04-18 | Double-steel-belt continuous pressing machine used for producing thermoplastic honeycomb plate |
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| Country | Link |
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| CN (1) | CN203792843U (en) |
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