CN114277459A - Stepped heating device for preparing phenolic fibers - Google Patents
Stepped heating device for preparing phenolic fibers Download PDFInfo
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- CN114277459A CN114277459A CN202111441059.0A CN202111441059A CN114277459A CN 114277459 A CN114277459 A CN 114277459A CN 202111441059 A CN202111441059 A CN 202111441059A CN 114277459 A CN114277459 A CN 114277459A
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Abstract
The invention discloses a stepped heating device for preparing phenolic fibers, which comprises a support frame, a heating frame, a control panel, a power supply lead, an exhaust pipe, a through window, a conveying module, a supporting plate and a conveying mechanism.
Description
Technical Field
The invention relates to the related field of phenolic fiber preparation, in particular to a stepped heating device for preparing phenolic fibers.
Background
The phenolic fiber refers to crosslinked fiber made of novolac resin or thermosetting phenolic resin, and the flame-retardant organic fiber made by acetalization or complexation is the cheapest of the flame-retardant fibers, and the appearance breaks through the theorem that thermosetting resin cannot produce fiber.
When phenolic aldehyde fiber is prepared, the prepared and molded phenolic aldehyde fiber is often required to be heated, the used stepped heating device is required, and when the existing stepped heating device is used, the phenolic aldehyde fiber is often required to be manually placed at the upper end of the supporting plate, so that the safety is low, and the consumed time is long.
Disclosure of Invention
Accordingly, in order to solve the above-mentioned disadvantages, the present invention provides a stepwise heating apparatus for phenolic fiber production.
The invention is realized in such a way that a stepped heating device for preparing phenolic fibers is constructed, the device comprises a support frame, a heating frame, a control panel, a power supply lead, an exhaust pipe, a through window, a conveying module, a supporting plate and a conveying mechanism, wherein the support frame is fixed with the bottom of the heating frame, the control panel is arranged at the right end of the heating frame, the conveying mechanism is arranged at the left end of the heating frame, the conveying mechanism comprises a support column, a bearing seat, a rotating mechanism, a rotating shaft, a bearing rod, a limiting mechanism, a blocking mechanism and an ejection mechanism, the support column is embedded and arranged at the inner side of the heating frame, the support column is connected with the bottom of the bearing seat through a bolt, the rotating mechanism is arranged at the front end of the bearing seat, the rotating shaft is movably connected with the inner side of the bearing seat, the rotating shaft is connected with the right upper end of the bearing rod, the upper end of the bearing rod is provided with the limiting mechanism, and the blocking mechanism is arranged at the top of the bearing rod, the ejection mechanism is embedded in the inner side of the bearing rod.
Preferably, a power supply wire is fixed at the rear end of the heating frame, the heating frame is connected with the bottom of the exhaust pipe, a through window is installed at the front end of the heating frame, a conveying module is arranged on the inner side of the heating frame, and supporting plates are distributed at the upper end of the conveying module at equal intervals.
Preferably, slewing mechanism includes bearer bar, motor, driving gear, driven gear and leading wheel, the bearer bar front end is fixed mutually with the bearing housing, the bearer bar inboard is provided with the motor, the motor is connected with the driving gear middle part, the driving gear meshes the transmission with the driven gear lower extreme, driven gear and the inboard swing joint of leading wheel.
Preferably, stop gear includes fixed plate, loose axle, first telescoping cylinder, clamping bar, sliding seat and movable frame, the fixed plate is installed in accepting the pole inboard, the fixed plate passes through loose axle and first telescoping cylinder right-hand member normal running fit, first telescoping cylinder rotates with the clamping bar lower extreme and is connected, clamping bar and the inboard normal running fit of sliding seat, the sliding seat is fixed as an organic whole bottom the movable frame.
Preferably, stop the mechanism and include second telescoping cylinder, first locating shaft, bearing piece, stop piece, movable block and second locating shaft, the second telescoping cylinder passes through first locating shaft and is connected with the inboard rotation in bearing rod upper end, the second telescoping cylinder is connected with the inboard rotation in bearing piece, the bearing piece is fixed with the left end that stops the piece, it is provided with the movable block to stop the right lower extreme of piece, the movable block passes through the second locating shaft and is connected with the inboard rotation in bearing rod upper end.
Preferably, the ejection mechanism comprises a fixed seat, a third telescopic cylinder, a push block, a swing rod, a rotating rod and an ejector wheel, the rear end of the fixed seat is connected with the inner side of the lower end of the receiving rod through a bolt, the third telescopic cylinder is embedded in the upper end of the fixed seat and fixed to the bottom of the push block, the push block is rotatably connected with the right end of the swing rod, the swing rod is rotatably matched with the inner side of the lower end of the receiving rod through the rotating rod, and the ejector wheel is arranged at the left end of the swing rod.
Preferably, the cross section of the swinging rod is in a V shape, and the swinging rod is embedded and installed on the inner side of the pushing block.
Preferably, the number of the first telescopic cylinders is two, and the first telescopic cylinders are oppositely arranged along the left side and the right side of the fixing plate.
Preferably, the upper ends of the two first telescopic cylinders are respectively provided with a clamping rod, a movable seat and a movable frame, and the cross sections of the clamping rods are in a hook shape.
Preferably, the limiting mechanisms are arranged in two groups, and the limiting mechanisms are respectively positioned on the front side and the rear side of the carrying rod.
Preferably, the rotating shaft is made of stainless steel and has strong corrosion resistance.
Preferably, the bearing rod is made of carbon steel and has high hardness.
The invention has the following advantages: the invention provides a stepped heating device for preparing phenolic fibers by improvement, which has the following improvement compared with the same type of equipment:
the method has the advantages that: according to the stepped heating device for preparing the phenolic fibers, the conveying mechanism is arranged at the upper end of the heating frame, the phenolic fibers are placed at the upper end of the carrying rod, then the phenolic fibers are limited by the limiting mechanism, then the carrying rod is driven by the rotating mechanism to turn over, so that the phenolic fibers at the upper end of the carrying rod turn over to the inner side of the heating frame, then the phenolic fibers are ejected out by the jacking mechanism, meanwhile, the limiting mechanism removes the blocking of the phenolic fibers, so that the phenolic fibers are conveyed to the upper end of the supporting plate, and the advantage that the phenolic fibers can be quickly turned over and conveyed is achieved.
The method has the advantages that: according to the stepped heating device for preparing the phenolic fibers, the rotating mechanism is arranged at the upper end of the conveying mechanism, the motor is electrified to work to drive the driving gear to rotate, so that the driving gear drives the driven gear to rotate sequentially on the inner side of the guide wheel, the phenolic fibers at the upper end of the carrying rod are driven to turn over through the rotating shaft, and the advantage that the phenolic fibers can be quickly conveyed to the inner side of the heating frame is achieved.
The method has the advantages that: according to the stepped heating device for preparing the phenolic fibers, the limiting mechanism is arranged at the upper end of the conveying mechanism, the first telescopic cylinder extends to drive the clamping rod to swing on the inner side of the movable seat, so that the clamping rod is abutted against two sides of the phenolic fibers, and the advantage that the phenolic fibers can be quickly limited and fixed is achieved.
The advantages are that: according to the stepped heating device for preparing the phenolic fibers, the blocking mechanism is arranged at the upper end of the conveying mechanism, the blocking block can block the phenolic fibers when the phenolic fibers are turned over, the second telescopic cylinder shrinks when the phenolic fibers are conveyed, and the blocking block is driven to swing around the second positioning shaft through the bearing block, so that the blocking block and the upper end of the bearing rod are flush with each other, the phenolic fibers are normally discharged, and the advantage of limiting and blocking the phenolic fibers is achieved.
The advantages are that: according to the stepped heating device for preparing the phenolic fibers, the ejection mechanism is arranged at the upper end of the conveying mechanism, the third telescopic cylinder contracts, and the push block drives the swing rod to swing around the rotating rod, so that the swing rod pushes out the phenolic fibers arranged at the upper end of the bearing rod through the ejection wheel, and the advantage of quickly conveying the phenolic fibers is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of a heating apparatus according to the present invention;
FIG. 3 is a schematic cross-sectional view of the conveying mechanism of the present invention;
FIG. 4 is a schematic view of a partial perspective view of the delivery mechanism of the present invention;
FIG. 5 is a schematic cross-sectional view of the rotating mechanism of the present invention;
FIG. 6 is a schematic cross-sectional view of the spacing mechanism of the present invention;
FIG. 7 is a perspective view of a clamping bar according to the present invention;
FIG. 8 is a schematic cross-sectional view of a blocking mechanism according to the present invention;
fig. 9 is a schematic perspective view of the ejection mechanism of the present invention.
Wherein: a support frame-1, a heating frame-2, a control panel-3, a power supply lead-4, an exhaust pipe-5, a through window-6, a transmission module-7, a supporting plate-8, a conveying mechanism-9, a support column-91, a bearing seat-92, a rotating mechanism-93, a rotating shaft-94, a receiving rod-95, a limiting mechanism-96, a blocking mechanism-97, an ejection mechanism-98, a protective frame-931, a motor-932, a driving gear-933, a driven gear-934, a guide wheel-935, a fixed plate-961, a movable shaft-962, a first telescopic cylinder-963, a clamping rod-964, a movable seat-965, a movable frame-966, a second telescopic cylinder-972, a first positioning shaft-972, a receiving block-973, a guide rod-95, a guide rod-965, a movable block-965, a movable frame-6, a second telescopic cylinder-972, a first positioning shaft-972, a receiving block-973, a positioning block-3, a positioning block, A stop block-974, a movable block-975, a second positioning shaft-976, a fixed seat-981, a third telescopic cylinder-982, a push block-983, a swinging rod-984, a rotating rod-985 and a top wheel-986.
Detailed Description
The present invention will be described in detail below with reference to fig. 1 to 9, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 and 2, the present invention provides a stepped heating device for preparing phenolic fibers by improvement, including a support frame 1, a heating frame 2, a control panel 3, a power supply wire 4, an exhaust pipe 5, a through window 6, a transmission module 7, a support plate 8 and a conveying mechanism 9, wherein the support frame 1 is fixed to the bottom of the heating frame 2, the control panel 3 is arranged at the right end of the heating frame 2, the conveying mechanism 9 is installed at the left end of the heating frame 2, the power supply wire 4 is fixed to the rear end of the heating frame 2, the heating frame 2 is connected to the bottom of the exhaust pipe 5, the through window 6 is installed at the front end of the heating frame 2, the transmission module 7 is arranged inside the heating frame 2, and the support plate 8 is equidistantly distributed at the upper end of the transmission module 7.
Referring to fig. 3 and 4, the present invention provides a stepped heating device for preparing phenolic fibers by improvement, wherein the conveying mechanism 9 includes a pillar 91, a bearing seat 92, a rotating mechanism 93, a rotating shaft 94, a receiving rod 95, a limiting mechanism 96, a blocking mechanism 97 and an ejecting mechanism 98, the pillar 91 is embedded in the heating frame 2, the pillar 91 is connected with the bottom of the bearing seat 92 by bolts, the rotating mechanism 93 is arranged at the front end of the bearing seat 92, the rotating shaft 94 is movably connected with the inner side of the bearing seat 92, the rotating shaft 94 is connected with the right upper end of the receiving rod 95, the limiting mechanism 96 is arranged at the upper end of the receiving rod 95, the blocking mechanism 97 is arranged at the top of the receiving rod 95, the ejecting mechanism 98 is embedded in the receiving rod 95, the rotating shaft 94 is made of stainless steel, the corrosion resistance is strong, the receiving rod 95 is made of carbon steel, and the hardness is high.
Referring to fig. 5, the present invention provides a stepped heating device for phenolic fiber production by improving, wherein the rotating mechanism 93 includes a protective frame 931, a motor 932, a driving gear 933, a driven gear 934 and a guide wheel 935, the front end of the protective frame 931 is fixed to the bearing seat 92, the motor 932 is disposed inside the protective frame 931, the motor 932 is connected to the middle of the driving gear 933, the driving gear 933 is in meshing transmission with the lower end of the driven gear 934, and the driven gear 934 is movably connected to the inside of the guide wheel 935, so as to facilitate the phenolic fiber ejection.
Referring to fig. 6 and 7, the present invention provides a stepped heating apparatus for preparing phenolic fibers by improving a limiting mechanism 96, wherein the limiting mechanism 96 includes a fixing plate 961, a movable shaft 962, a first telescopic cylinder 963, a clamping bar 964, a movable seat 965 and a movable frame 966, the fixing plate 961 is mounted inside a receiving bar 95, the fixing plate 961 is rotatably fitted to a right end of the first telescopic cylinder 963 through the movable shaft 962, the first telescopic cylinder 963 is rotatably connected to a lower end of the clamping bar 964, the clamping bar 964 is rotatably fitted to an inner side of the movable seat 965, the movable seat 965 is fixed to a bottom of the movable frame 966, two first telescopic cylinders 963 are provided, the first telescopic cylinders 963 are oppositely disposed along left and right sides of the fixing plate 961, the upper ends of the two first telescopic cylinders 963 are respectively provided with the clamping bar 964, the movable seat 965 and the movable frame 966, the cross section of the clamping bar 964 is in a hook shape, two sets of the limiting mechanisms 96 are respectively disposed on front and rear sides of the limiting rod 95, the phenolic fiber is beneficial to limiting.
Referring to fig. 8, the present invention provides a stepped heating device for preparing phenolic fibers by improvement, wherein the blocking mechanism 97 includes a second telescopic cylinder 972, a first positioning shaft 972, a receiving block 973, a blocking block 974, a movable block 975 and a second positioning shaft 976, the second telescopic cylinder 972 is rotatably connected to the inner side of the upper end of the receiving rod 95 through the first positioning shaft 972, the second telescopic cylinder 972 is rotatably connected to the inner side of the receiving block 973, the receiving block 973 is fixed to the left end of the blocking block 974, the movable block 975 is disposed at the right lower end of the blocking block 974, the movable block 975 is rotatably connected to the inner side of the upper end of the receiving rod 95 through the second positioning shaft 976, and a bass plays a role in enabling the receiving rod 95 to swing stably.
Referring to fig. 9, the present invention provides a stepped heating device for preparing phenolic fibers by improving a stepped heating device, in which an ejection mechanism 98 includes a fixed seat 981, a third telescopic cylinder 982, a push block 983, a swing rod 984, a rotating rod 985 and a top wheel 986, a rear end of the fixed seat 981 is connected with an inner side of a lower end of a receiving rod 95 by a bolt, the upper end of the fixed seat 981 is embedded with the third telescopic cylinder 982, the third telescopic cylinder 982 is fixed with a bottom of the push block 983, the push block 983 is rotatably connected with a right end of the swing rod 984, the swing rod 984 is rotatably matched with an inner side of a lower end of the receiving rod 95 by the rotating rod 985, the left end of the swing rod 984 is provided with the top wheel 986, the swing rod 984 has a V-shaped cross section, and the swing rod 984 is embedded in the push block 983, so as to drive the swing rod 984 to swing stably.
Example two:
the invention provides a stepped heating device for preparing phenolic fibers by improvement, wherein two guide wheels 935 are arranged, the guide wheels 935 are oppositely arranged along the left side and the right side of the upper end of a driven gear 934, so that the effect of enabling the driven gear 934 to rotate stably is favorably achieved, and a driving gear 933 and the driven gear 934 are distributed in parallel to each other, so that the effect of driving the driven gear 934 to rotate is favorably achieved.
The invention provides a stepped heating device for preparing phenolic fibers by improvement, and the working principle is as follows;
firstly, horizontally placing a stepped heating device for preparing phenolic fibers before use, and fixedly supporting the stepped heating device by a support frame 1;
secondly, when the device is used, an external power supply is connected through a power supply lead 4 to provide power for the device, and then a button at the upper end of the control panel 3 is pressed to start the device;
thirdly, placing the phenolic fibers at the upper end of the bearing rod 95, extending the first telescopic cylinder 963, and driving the clamping rod 964 to swing on the inner side of the movable seat 965, so that the clamping rod 964 is abutted against two sides of the phenolic fibers, and the phenolic fibers can be quickly limited and fixed;
fourthly, the motor 932 is electrified to work to drive the driving gear 933 to rotate, so that the driving gear 933 drives the driven gear 934 to rotate in sequence on the inner side of the guide wheel 935, and the rotating shaft 94 drives the phenolic fibers at the upper end of the bearing rod 95 to overturn;
fifthly, when the phenolic fibers are turned over, the blocking block 974 can block the phenolic fibers, when the phenolic fibers are conveyed, the second telescopic cylinder 972 contracts, and the bearing block 973 drives the blocking block 974 to swing around the second positioning shaft 972, so that the upper ends of the blocking block 974 and the bearing rod 95 are flush with each other, the phenolic fibers are normally discharged, and the phenolic fibers can be limited and blocked;
sixthly, simultaneously, the third telescopic cylinder 982 contracts, the push block 983 drives the swing rod 984 to swing around the rotary rod 985, so that the swing rod 984 pushes out the phenolic fibers arranged at the upper end of the bearing rod 95 through the top wheel 986, and the phenolic fibers are conveyed to the upper end of the supporting plate 8;
seventhly, promote the transportation through conveying module 7 to the phenolic aldehyde fibre of layer board 8 upper end afterwards, realize the heating to the different temperatures of phenolic aldehyde fibre through different height, form cascaded heating.
The invention provides a stepped heating device for preparing phenolic fibers through improvement, wherein the upper end of a heating frame 2 is provided with a conveying mechanism 9, phenolic fibers are placed at the upper end of a bearing rod 95, then the phenolic fibers are limited through a limiting mechanism 96, and then the bearing rod 95 is driven to turn through a rotating mechanism 93, so that the phenolic fibers at the upper end of the bearing rod 95 are turned to the inner side of the heating frame 2, then the phenolic fibers are ejected through a jacking mechanism 98, and meanwhile, the limiting mechanism 97 releases the blocking of the phenolic fibers, so that the phenolic fibers are conveyed to the upper end of a supporting plate 8, and the advantage of quickly turning and conveying the phenolic fibers is achieved; the upper end of the conveying mechanism 9 is provided with the rotating mechanism 93, the motor 932 is electrified to work to drive the driving gear 933 to rotate, so that the driving gear 933 drives the driven gear 934 to rotate sequentially on the inner side of the guide wheel 935, and the rotating shaft 94 drives the phenolic fibers on the upper end of the bearing rod 95 to turn over, thereby achieving the advantage of quickly conveying the phenolic fibers to the inner side of the heating frame 2; the limiting mechanism 96 is arranged at the upper end of the conveying mechanism 9, and the first telescopic cylinder 963 extends to drive the clamping rod 964 to swing on the inner side of the movable seat 965, so that the clamping rod 964 abuts against two sides of the phenolic fibers, and the advantage of quickly limiting and fixing the phenolic fibers is achieved; the blocking mechanism 97 is arranged at the upper end of the conveying mechanism 9, when the phenolic fibers are turned, the blocking block 974 can block the phenolic fibers, when the phenolic fibers are conveyed, the second telescopic cylinder 972 contracts, and the bearing block 973 drives the blocking block 974 to swing around the second positioning shaft 972, so that the upper ends of the blocking block 974 and the bearing rod 95 are flush with each other, the phenolic fibers are normally discharged, and the advantage of limiting and blocking the phenolic fibers is achieved; the ejection mechanism 98 is arranged at the upper end of the conveying mechanism 9, the third telescopic cylinder 982 contracts, and the push block 983 drives the swing rod 984 to swing around the rotary rod 985, so that the swing rod 984 pushes out the phenolic fibers arranged at the upper end of the bearing rod 95 through the top wheel 986, and the advantage of being capable of conveying the phenolic fibers quickly is achieved.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A stepped heating device for preparing phenolic fibers comprises a support frame (1), a heating frame (2), a control panel (3), a power supply lead (4), an exhaust pipe (5), a through window (6), a conveying module (7) and a supporting plate (8), wherein the support frame (1) is fixed with the bottom of the heating frame (2), and the control panel (3) is arranged at the right end of the heating frame (2);
the method is characterized in that: also comprises a conveying mechanism (9), the conveying mechanism (9) is arranged at the left end of the heating frame (2), the conveying mechanism (9) comprises a support column (91), a bearing seat (92), a rotating mechanism (93), a rotating shaft (94), a bearing rod (95), a limiting mechanism (96), a blocking mechanism (97) and an ejection mechanism (98), the support column (91) is embedded and installed on the inner side of the heating frame (2), the support column (91) is connected with the bottom of the bearing seat (92) through a bolt, the front end of the bearing seat (92) is provided with a rotating mechanism (93), the rotating shaft (94) is movably connected with the inner side of the bearing seat (92), the rotating shaft (94) is connected with the upper right end of the bearing rod (95), the upper end of the bearing rod (95) is provided with a limiting mechanism (96), the top of the bearing rod (95) is provided with a blocking mechanism (97), and the ejection mechanism (98) is embedded into the inner side of the bearing rod (95).
2. The stepped heating apparatus for phenolic fiber production of claim 1, wherein: heating frame (2) rear end is fixed with power wire (4), heating frame (2) are connected with blast pipe (5) bottom, heating frame (2) front end is installed and is run through window (6), heating frame (2) inboard is provided with conveying module (7), conveying module (7) upper end equidistance distributes and has layer board (8).
3. The stepped heating apparatus for phenolic fiber production of claim 1, wherein: slewing mechanism (93) are including bearer bar (931), motor (932), driving gear (933), driven gear (934) and leading wheel (935), bearer bar (931) front end is fixed mutually with bearing frame (92), bearer bar (931) inboard is provided with motor (932), motor (932) are connected with driving gear (933) middle part, driving gear (933) and driven gear (934) lower extreme meshing transmission, driven gear (934) and the inboard swing joint of leading wheel (935).
4. The stepped heating apparatus for phenolic fiber production of claim 1, wherein: stop gear (96) are including fixed plate (961), loose axle (962), first telescoping cylinder (963), clamping bar (964), movable seat (965) and activity frame (966), fixed plate (961) are installed in accepting pole (95) inboard, fixed plate (961) are through loose axle (962) and first telescoping cylinder (963) right-hand member normal running fit, first telescoping cylinder (963) are connected with clamping bar (964) lower extreme rotation, clamping bar (964) and movable seat (965) inboard normal running fit, movable seat (965) and activity frame (966) bottom are fixed as an organic whole.
5. The stepped heating apparatus for phenolic fiber production of claim 1, wherein: stop mechanism (97) and include second telescoping cylinder (972), first locating shaft (972), accept piece (973), block piece (974), movable block (975) and second locating shaft (976), second telescoping cylinder (972) is connected with accepting inboard rotation in pole (95) upper end through first locating shaft (972), second telescoping cylinder (972) rotates with accepting piece (973) inboard and is connected, it is fixed with stopping piece (974) left end to accept piece (973) and connect, it is provided with movable block (975) to block piece (974) right lower extreme, movable block (975) are connected with accepting pole (95) upper end inboard rotation through second locating shaft (976).
6. The stepped heating apparatus for phenolic fiber production of claim 1, wherein: ejecting mechanism (98) are including fixing base (981), third telescoping cylinder (982), ejector pad (983), swinging arms (984), bull stick (985) and knock-out pulley (986), fixing base (981) rear end and accepting pole (95) lower extreme inboard bolted connection, third telescoping cylinder (982) are installed in fixing base (981) upper end embedding, third telescoping cylinder (982) are fixed with ejector pad (983) bottom, ejector pad (983) are connected with swinging arms (984) right-hand member rotation, swinging arms (984) are through rotating arms (985) and accepting pole (95) lower extreme inboard normal running fit, swinging arms (984) left end is provided with knock-out pulley (986).
7. The stepped heating apparatus for phenolic fiber production of claim 6, wherein: the cross section of the swinging rod (984) is V-shaped, and the swinging rod (984) is embedded and installed on the inner side of the push block (983).
8. The stepped heating apparatus for phenolic fiber production of claim 4, wherein: the number of the first telescopic cylinders (963) is two, and the first telescopic cylinders (963) are oppositely arranged along the left side and the right side of the fixing plate (961).
9. The stepped heating apparatus for phenolic fiber production of claim 8, wherein: the upper ends of the two first telescopic cylinders (963) are respectively provided with a clamping rod (964), a movable seat (965) and a movable frame (966), and the cross sections of the clamping rods (964) are in a hook shape.
10. The stepped heating apparatus for phenolic fiber production of claim 1, wherein: the limiting mechanisms (96) are arranged in two groups, and the limiting mechanisms (96) are respectively positioned on the front side and the rear side of the bearing rod (95).
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| CN202111441059.0A CN114277459B (en) | 2021-11-30 | 2021-11-30 | Stepped heating device for preparing phenolic fibers |
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| CN202111441059.0A CN114277459B (en) | 2021-11-30 | 2021-11-30 | Stepped heating device for preparing phenolic fibers |
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| CN114277459B CN114277459B (en) | 2023-10-17 |
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