CN114801001A

CN114801001A - Uniform-thickness calender for preparing aramid fiber calendered product

Info

Publication number: CN114801001A
Application number: CN202210586127.0A
Authority: CN
Inventors: 温学民; 钟伟琴; 邱小奇
Original assignee: X Fiper New Material Co ltd
Current assignee: X Fiper New Material Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-07-29
Anticipated expiration: 2042-05-27
Also published as: CN114801001B

Abstract

The invention discloses a calender for preparing an aramid fiber calendered product with uniform thickness, and particularly relates to the technical field of calenders, wherein the calender comprises an equipment box, wherein the inner wall of the equipment box is connected with a transmission screw rod, and the outer wall of the transmission screw rod is provided with a supporting mechanism; the supporting assembly comprises a first thread collar block arranged on the outer wall of the transmission screw rod, and a second thread collar block is connected to one side of the first thread collar block. According to the invention, the first threaded collar block of the supporting mechanism is adopted to drive the collar supporting block to move, the transverse supporting plate drives the two arc-shaped concave plates to move upwards, so that the collar of the collar can drive the balls to extrude upwards, the collar is attached to the position below the outer wall of the rolling wheel to play a role in supporting the rolling wheel, and thus, when the rolling wheel presses downwards, the rolling wheel has better supporting performance and realizes uniform support, so that the rotating damage caused by excessive extrusion on the left side and the right side is avoided, and the aramid paper has more uniform thickness and better uniformity during rolling.

Description

Uniform-thickness calender for preparing aramid fiber calendered product

Technical Field

The invention relates to the technical field of calenders, in particular to a calender with uniform thickness for preparing an aramid fiber calendered product.

Background

Aramid paper is a novel high-tech synthetic fiber, has excellent properties such as ultrahigh strength, high modulus and high temperature resistance, acid and alkali resistance, light weight, insulation, ageing resistance, long life cycle and the like, is widely applied to composite materials, and therefore needs to be compacted by a calender during production.

Patent application publication No. CN206828858U discloses a calender extrusion device for composite fabric, including frame, first crossbeam, second crossbeam, bolster bearing housing, step, go up the roller, lower roller, bearing, first hydraulic stem and second hydraulic stem, bolster bearing housing's forward-mounted has last roller, step fixed mounting is in the frame and be located bolster bearing housing under, hoist and mount have the second hydraulic stem under the first crossbeam, the bearing is installed to the bottom of second hydraulic stem, the bearing is tangent with last roller, the second crossbeam is located under the lower roller and fixed mounting is in the frame, the bearing is installed to the top surface of second crossbeam, the quantity and the position of the bearing on first crossbeam and the second crossbeam all correspond, this calender extrusion device for composite fabric can make the roller everywhere as far as possible the extrusion force of composite fabric under the prerequisite that does not increase roller diameter, the thickness and size precision of the composite fabric is ensured.

Synthesize above-mentioned patent, the axostylus axostyle of running roller both sides can carry out the pressurized downwards when calendering, in order to guarantee the rotation of axostylus axostyle, can have certain rotatory space with the support point position to long-time moving down makes the roller bearing position atress great, consequently moves down and has great wearing and tearing, thereby the later stage can lead to the running roller of calendering to take place to control and rock, and the calendering homogeneity is lower.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the invention provides the calender for preparing the aramid fiber calendered product with uniform thickness, the support mechanism is adopted, and the rolling wheels have better support property and realize uniform support, so that the rotating damage caused by excessive extrusion on the left side and the right side can not be caused, the thickness of the aramid fiber paper is more uniform during calendering, the uniformity is better, and the problems in the background art are solved.

In order to achieve the purpose, the invention provides the following technical scheme: a calender for preparing an aramid fiber calendered product with uniform thickness comprises an equipment box, wherein the inner wall of the equipment box is connected with a transmission screw rod, and a supporting mechanism is arranged on the outer wall of the transmission screw rod;

the supporting component comprises a first threaded collar block arranged on the outer wall of the transmission screw rod, one side of the first threaded collar block is connected with a second threaded collar block, the top ends of the second threaded collar block and the first threaded collar block are connected with a collar supporting block, one side of the collar supporting block is embedded into a linkage rotating rod, the top end of the linkage rotating rod is movably connected with a concave rotating shaft, a transverse supporting plate is installed above the concave rotating shaft, and supporting rolling components are arranged on two sides of the transverse supporting plate.

In a preferred embodiment, the support rolling component comprises an arc-shaped concave plate arranged on one side of the transverse support plate, a plurality of sleeve shaft rings are arranged on the inner wall of the arc-shaped concave plate, each sleeve shaft ring is connected with a ball inside, a rolling wheel is installed above the arc-shaped concave plate, a first sleeve shaft ring block is sleeved outside the rolling wheel and close to two ends of the rolling wheel, an adjusting screw rod in threaded connection penetrates through the bottom end of the first sleeve shaft ring block, and first limit nuts are installed on the outer wall of the adjusting screw rod and located on the upper side and the lower side of the first sleeve shaft ring block.

In a preferred embodiment, a pressing roller is installed above the rolling roller, a second sleeving collar block is connected to the outer portion of the pressing roller and the position close to the two ends of the pressing roller, an adjusting bolt rod penetrating through threaded connection is embedded into the bottom end of the second sleeving collar block, second limit nuts are sleeved on the outer wall of the adjusting bolt rod and the positions on the upper side and the lower side of the second sleeving collar block, a pressing support plate is connected to the top end of the adjusting bolt rod, and a pressing cylinder for pressing is installed on the top end of the pressing support plate.

In a preferred embodiment, a lantern ring support is arranged below the first threaded lantern ring block, a guide supporting assembly is arranged on the inner wall of the lantern ring support and comprises a supporting shaft rod arranged on the inner wall of the lantern ring support, linkage sliding rings are connected to two top ends of the lantern ring support, guide supporting strips are arranged inside the linkage sliding rings, fixed shaft rods are installed in gaps formed among the guide supporting strips, transverse supporting blocks used for transverse supporting are arranged between the first threaded lantern ring block and the linkage sliding rings, the lantern ring support is movably connected to the outer portion of the supporting shaft rod, the linkage sliding rings are connected with the guide supporting strips in a sliding mode, the guide supporting strips are distributed in an annular shape at equal intervals, and the guide supporting strips are fixedly connected with the fixed shaft rods through a welding technology.

In a preferred embodiment, the spill framed slab that two symmetries set up is installed to one side of arc concave plate, and the bottom of every spill framed slab all is connected with the slip ring piece, just is located spill framed slab one side and is provided with fixing bolt on the top of slip ring piece, the inner wall connection of slip ring piece has fixed branch, spill framed slab outer wall just installs semicircle lantern ring piece adjacent with fixing bolt, and semicircle lantern ring piece internally mounted has horizontal pivot, spill framed slab inner wall connection has vertical cylinder, the fixing bolt bottom runs through slip ring piece top and extends to slip ring piece inner wall position department, threaded connection between slip ring piece and the fixing bolt, through bearing swing joint between horizontal pivot and the semicircle lantern ring piece, swing joint between vertical cylinder and the spill framed slab.

The invention has the technical effects and advantages that:

1. according to the invention, the support mechanism is adopted to drive the transmission screw rod to drive the first thread collar block to move rightwards under the action of the threads, the second thread collar block to move leftwards under the action of the threads, the first thread collar block drives the collar support block to move, and the transverse support plate drives the two arc-shaped concave plates to move upwards, so that the collar can drive the balls to extrude upwards, the collar is attached to the lower position of the outer wall of the rolling wheel to play a role in supporting the rolling wheel, therefore, the rolling wheel has better support property during pressing downwards, uniform support is realized, and rotation damage caused by excessive extrusion on the left side and the right side is avoided, so that the aramid paper has more uniform thickness and better uniformity during rolling;

2. according to the invention, the support rolling assembly is adopted to enable the first threaded sleeve ring block to drive the transverse supporting block to move, the transverse supporting block can drive the linkage sliding ring to move, the fixed shaft rod can support the guide supporting strip, the high stability of the guide supporting strip is ensured, the linkage sliding ring drives the sleeve ring support to move rightwards, the sleeve ring support is guided to move along the outer part of the support shaft rod, the triangular stable movement is realized, the triangular support can be realized after the movement, and the transmission screw rod with better stability is not easy to bear force;

3. according to the invention, aramid paper is moved between two lantern ring supports and positioned above the transverse rotating shaft, two concave frame plates are relatively moved, the vertical rollers are attached to the side surfaces of the aramid paper, the fixing bolt can be rotated, the fixing bolt is extruded and fixed below the outer wall of the fixing support rod under the action of threads, the left side and the right side of the aramid paper move on the two vertical rollers respectively, and the transverse rotating shaft can play a role in supporting and rolling the lower position of the aramid paper, so that the aramid paper is prevented from being deviated, and high-stability calendering operation is realized;

to sum up, through the interact of above-mentioned a plurality of effects, like this when pushing down, the rolling wheel plays better support nature, realize even support, thereby can not cause the left and right sides extrusion to excessively cause the rotation to damage, aramid paper thickness is more even when calendering like this, the homogeneity is better, realize triangle steady movement, can play the triangular supports after the removal, the better difficult atress of transmission lead screw of stability, horizontal rotating shaft can play the rolling effect of support to aramid paper below position department, guarantee that aramid paper can not take place the skew, realize high stability calendering operation, to sum up can guarantee the high stability when calendering, the wearing and tearing rolling wheel marginal part wearing and tearing are less during the roll, thereby guarantee the homogeneity roll extrusion, the homogeneity of aramid paper roll extrusion is better.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the structure of the junction between the transverse support plate and the arc-shaped concave plate.

Fig. 3 is a partial structural schematic diagram of the transmission screw rod of the invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

Fig. 5 is a schematic rear perspective view of the present invention.

FIG. 6 is a schematic view of the structure of the joint between the sliding ring block and the fixing bolt of the present invention.

The reference signs are: 1. an equipment box; 2. a transmission screw rod; 3. a first threaded collar block; 4. a second threaded collar block; 5. a collar support block; 6. a linkage rotating rod; 7. a concave rotating shaft; 8. a transverse support plate; 9. an arc-shaped concave plate; 10. a sleeved collar; 11. a ball bearing; 12. rolling wheels; 13. a first sleeve collar block; 14. adjusting the screw rod; 15. a first limit nut; 16. pressing down the roller; 17. the second sleeve is connected with the shaft ring block; 18. adjusting the bolt shank; 19. a second limit nut; 20. pressing the support plate; 21. pressing down the air cylinder; 22. a ferrule holder; 23. a support shaft; 24. a linkage slip ring; 25. a guide branch; 26. fixing the shaft lever; 27. a transverse support block; 28. a concave frame plate; 29. a slip ring block; 30. fixing the bolt; 31. fixing the supporting rod; 32. a vertical drum; 33. a semi-circular collar block; 34. a transverse rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 calender for preparing the uniform-thickness aramid fiber calendered product comprises an equipment box 1, wherein the inner wall of the equipment box 1 is connected with a transmission screw rod 2, and a supporting mechanism is arranged on the outer wall of the transmission screw rod 2;

the supporting component comprises a first threaded collar block 3 arranged on the outer wall of the transmission screw rod 2, one side of the first threaded collar block 3 is connected with a second threaded collar block 4, the top ends of the second threaded collar block 4 and the first threaded collar block 3 are connected with a collar supporting block 5, one side of the collar supporting block 5 is embedded into a linkage rotating rod 6, the top end of the linkage rotating rod 6 is movably connected with a concave rotating shaft 7, a transverse supporting plate 8 is installed above the concave rotating shaft 7, and supporting rolling components are arranged on two sides of the transverse supporting plate 8.

In some embodiments, as shown in fig. 1-4, the support and rolling assembly includes an arcuate recess 9 disposed on one side of a transverse support 8, a plurality of sleeve collars 10 are arranged on the inner wall of the arc-shaped concave plate 9, a ball 11 is connected inside each sleeve collar 10, so that the transverse support plate 8 drives the two arc-shaped concave plates 9 to move upwards, so that the sleeve collar 10 drives the ball 11 to extrude upwards and attach to the lower position of the outer wall of the rolling wheel 12, the rolling wheels 12 are supported, the high stability of the rolling wheels 12 during rolling is ensured, the rolling wheels 12 are arranged above the arc-shaped concave plates 9, a first sleeve collar block 13 is sleeved outside the rolling wheel 12 and close to two ends of the rolling wheel, an adjusting screw 14 in threaded connection penetrates through the bottom end of the first sleeve collar block 13, and first limit nuts 15 are mounted on the outer wall of the adjusting screw 14 and at the positions of the upper side and the lower side of the first sleeve collar block 13;

therefore, the rolling wheel 12 can be butted on the first sleeved collar block 13, the first sleeved collar block 13 is located outside the adjusting screw 14 and moves downwards, and the two first limiting nuts 15 are rotated to support and fix the upper position and the lower position of the first sleeved collar block 13 under the action of the threads.

In some embodiments, as shown in fig. 1, a pressing roller 16 is installed above the rolling roller 12, a second collar block 17 is connected to the outer portion of the pressing roller 16 and the position near to both ends, an adjusting bolt rod 18 with a threaded connection is embedded into the bottom end of the second collar block 17, a second limit nut 19 is sleeved on the outer wall of the adjusting bolt rod 18 and the positions on the upper side and the lower side of the second collar block 17, a pressing plate 20 is connected to the top end of the adjusting bolt rod 18, and a pressing cylinder 21 for pressing is installed at the top end of the pressing plate 20;

therefore, the pressing roller 16 is butted on the second sleeving shaft ring block 17, the two second limiting nuts 19 are rotated, the second limiting nuts 19 can extrude the second sleeving shaft ring block 17 along the adjusting bolt rods 18 under the action of the threads, the pressing cylinder 21 is started to drive the pressing support plate 20 to move downwards, the pressing support plate 20 drives the four adjusting bolt rods 18 to move downwards, and the adjusting bolt rods 18 drive the second sleeving shaft ring block 17 to enable the pressing roller 16 to move downwards to achieve the rolling effect.

In some embodiments, as shown in fig. 2-3, a ferrule holder 22 is disposed below the first threaded ferrule block 3, and a guide support assembly is disposed on an inner wall of the ferrule holder 22, the guide support assembly includes a support shaft 23 disposed on the inner wall of the ferrule holder 22, and both top ends of the ferrule holder 22 are connected to linkage slip rings 24, guide branches 25 are disposed inside the linkage slip rings 24, and fixed shafts 26 are installed in gaps formed between the plurality of guide branches 25, a transverse branch 27 for transverse support is disposed between the first threaded ferrule block 3 and the linkage slip rings 24, the ferrule holder 22 is movably connected to the outside of the support shaft 23, the linkage slip rings 24 and the guide branches 25 are slidably connected, the plurality of guide branches 25 are distributed in a circular ring shape at equal intervals, and the guide branches 25 are fixedly connected to the fixed shafts 26 by a welding technique;

so, first screw thread lantern ring piece 3 drives horizontal piece 27 and removes when removing, and horizontal piece 27 can drive linkage sliding ring 24 and lead the removal along the outside of a plurality of direction branches 25, and fixed axostylus axostyle 26 can play the effect of support to direction branch 25, and linkage sliding ring 24 drives lantern ring support 22 and leads the removal along the outside of bracing axostylus axostyle 23, realizes triangle steady movement.

In some embodiments, as shown in fig. 5-6, two symmetrically arranged concave frame plates 28 are installed on one side of the arc-shaped concave plate 9, a sliding ring block 29 is connected to the bottom end of each concave frame plate 28, a fixing bolt 30 is arranged at the top end of the sliding ring block 29 and at one side of the concave frame plate 28, the inner wall of the sliding ring block 29 is connected with a fixing support rod 31, a semicircular lantern ring block 33 is arranged on the outer wall of the concave frame plate 28 and adjacent to the fixing bolt 30, a transverse rotating shaft 34 is installed inside the semicircular ring block 33, the inner wall of the concave frame plate 28 is connected with a vertical roller 32, the bottom end of the fixing bolt 30 penetrates through the top end of the sliding ring block 29 and extends to the position of the inner wall of the sliding ring block 29, the sliding ring block 29 is in threaded connection with the fixing bolt 30, the transverse rotating shaft 34 is movably connected with the semicircular ring block 33 through a bearing, and the vertical roller 32 is movably connected with the concave frame plate 28;

so, pass aramid paper from between rolling wheel 12 and the running roller 16 of pushing down to move between two lantern ring supports 22, two spill deckle boards 28 of relative movement, two vertical cylinder 32 are close to relatively and move, and when vertical cylinder 32 laminated at the aramid paper side, rotate fixing bolt 30 and push down and fix in the outer wall top position department of fixed branch 31, realize fixed effect, horizontal pivot 34 can play the rolling effect of support to aramid paper below position department.

The working principle of the invention is as follows:

when the position is fixed, the rolling wheel 12 can be butted on the first sleeve collar block 13, the first sleeve collar block 13 is positioned outside the adjusting screw 14 and moves downwards, two first limit nuts 15 can be rotated after the first sleeve collar block is moved downwards to a designated position, the upper position and the lower position of the first sleeve collar block 13 can be supported and fixed under the action of threads, the pressing roller 16 is butted on the second sleeve collar block 17, two second limit nuts 19 are rotated, the second limit nuts 19 can extrude the second sleeve collar block 17 along the adjusting screw rod 18 under the action of the threads, and the upper side and the lower side of the second sleeve collar block 17 are both limited and extruded and fixed;

when supporting and limiting, the transmission screw rod 2 can be rotated to drive the first threaded collar block 3 to move rightwards under the action of threads, the second threaded collar block 4 moves leftwards under the action of threads, the first threaded collar block 3 drives the collar support block 5 to move, the collar support block 5 drives the bottom end position of the linkage rotating rod 6 to move rightwards in parallel, and the top end position of the linkage rotating rod drives the concave rotating shaft 7 to move upwards, so that the transverse support plate 8 drives the two arc-shaped concave plates 9 to move upwards, the collar 10 drives the ball 11 to extrude upwards, and the collar is attached to the position below the outer wall of the rolling wheel 12 to realize limiting and supporting operation;

when the guide movement is stable, when the first threaded collar block 3 moves, the first threaded collar block 3 can drive the transverse supporting block 27 to move, the transverse supporting block 27 can drive the linkage sliding ring 24 to move, the linkage sliding ring 24 can guide and move along the outer parts of the plurality of guide supporting bars 25, the fixed shaft lever 26 can support the guide supporting bars 25 to ensure the high stability of the guide supporting bars, so that the linkage sliding ring 24 drives the collar support 22 to move rightwards, and meanwhile, the collar support 22 guides and moves along the outer part of the supporting shaft lever 23;

when the aramid paper is limited, the aramid paper can pass through the rolling wheel 12 and the pressing roller wheel 16 and move to a position between the two lantern ring supports 22 and above the transverse rotating shaft 34, then the two concave frame plates 28 are moved relatively, the concave frame plates 28 drive the sliding ring block 29 to move, so that the two vertical rollers 32 move relatively close to each other, when the vertical rollers 32 are attached to the side face of the aramid paper, the fixing bolts 30 can be rotated, and the fixing bolts 30 are pressed downwards and fixed at positions above the outer wall of the fixing support rod 31 under the action of threads to realize a fixing effect, so that the left side and the right side of the aramid paper move on the two vertical rollers 32 respectively, and the transverse rotating shaft 34 can support and roll the position below the aramid paper;

when pushing down, start and push down cylinder 21 and drive down extension board 20 downstream, down extension board 20 drives four adjusting bolt poles 18 downstream, adjusting bolt pole 18 drives second cover and connects collar piece 17 and make down the running roller 16 downstream, the top position department of aramid fiber paper under the running roller 16 extrusion, and rolling wheel 12 extrudes the below position department at aramid fiber paper, and rolling wheel 12 can roll on the ball 11 of the inside of cover axle collar 10, realize the effect of linkage, realize the calendering operation like this.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the present invention is not limited to the above preferred embodiments, but rather, any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an even aramid fiber calendering ware preparation of thickness is with calender, includes equipment box (1), its characterized in that: the inner wall of the equipment box (1) is connected with a transmission screw rod (2), and the outer wall of the transmission screw rod (2) is provided with a supporting mechanism;

the supporting component comprises a first threaded collar block (3) arranged on the outer wall of a transmission screw rod (2), one side of the first threaded collar block (3) is connected with a second threaded collar block (4), the top ends of the second threaded collar block (4) and the first threaded collar block (3) are connected with a collar supporting block (5), one side of the collar supporting block (5) is embedded into a linkage rotating rod (6), the top end of the linkage rotating rod (6) is movably connected with a concave rotating shaft (7), a transverse supporting plate (8) is installed above the concave rotating shaft (7), and supporting rolling components are arranged on two sides of the transverse supporting plate (8).

2. The calender for preparing the uniform-thickness aramid calendered product of claim 1, wherein: the supporting and rolling assembly comprises an arc-shaped concave plate (9) arranged on one side of a transverse support plate (8), a plurality of sleeving shaft rings (10) are arranged on the inner wall of the arc-shaped concave plate (9), and balls (11) are connected inside each sleeving shaft ring (10).

3. The calender for preparing the uniform-thickness aramid calendered product of claim 2, wherein: rolling wheel (12) are installed to the top of arc notch board (9), and the outside of rolling wheel (12) and be close to both ends and all overlap and be equipped with first spiale collar piece (13), and the bottom embedding of first spiale collar piece (13) runs through threaded connection's adjusting screw (14), first stop nut (15) are all installed to the outer wall of adjusting screw (14) and both sides position department about being located first spiale collar piece (13).

4. The calender for preparing the uniform-thickness aramid calendered product of claim 3, wherein: the utility model discloses a rolling press, including roll extrusion wheel (12), rolling wheel (16), second cover collar piece (17) are all connected with in the outside of rolling wheel (12) and near both ends position department down, the bottom of second cover collar piece (17) all imbeds and runs through threaded connection's adjusting bolt pole (18), and both sides position department all overlaps and is equipped with second stop nut (19) about the outer wall of adjusting bolt pole (18) and is located second cover collar piece (17), the top of adjusting bolt pole (18) is connected with down and presses extension board (20), and presses down the top of extension board (20) and install down cylinder (21) that are used for pressing down.

5. The calender for preparing the uniform-thickness aramid calendered product of claim 1, wherein: all be provided with lantern ring support (22) under first screw thread lantern ring piece (3), and the inner wall of lantern ring support (22) is provided with direction supporting component, direction supporting component is including setting up bracing axostylus axostyle (23) at the inner wall of lantern ring support (22), and two tops of lantern ring support (22) all are connected with linkage sliding ring (24), the inside of linkage sliding ring (24) is provided with direction branch strip (25), and installs in the space that forms between a plurality of direction branch strips (25) fixed axostylus axostyle (26), be provided with between first screw thread lantern ring piece (3) and linkage sliding ring (24) and be used for horizontal supporting horizontal branch piece (27).

6. The calender for preparing the uniform-thickness aramid calendered product of claim 5, wherein: the lantern ring bracket (22) is movably connected to the outer part of the supporting shaft rod (23), and the linkage sliding ring (24) is in sliding connection with the guide branch bar (25).

7. The calender for preparing the uniform-thickness aramid calendered product of claim 5, wherein: a plurality of direction branch (25) are ring shape equidistance and distribute the setting, and direction branch (25) are through welding technique and fixed axostylus axostyle (26) fixed connection.

8. The calender for preparing the uniform-thickness aramid calendered product of claim 1, wherein: concave deckle board (28) that two symmetries set up are installed to one side of arc notch board (9), and the bottom of every concave deckle board (28) all is connected with slip ring piece (29), just is located concave deckle board (28) one side and is provided with fixing bolt (30) on the top of slip ring piece (29), the inner wall connection of slip ring piece (29) has fixed branch (31), concave deckle board (28) outer wall just installs semicircle lantern ring piece (33) with fixing bolt (30) is adjacent, and semicircle lantern ring piece (33) internally mounted has horizontal pivot (34), concave deckle board (28) inner wall connection has vertical cylinder (32).

9. The calender for preparing the uniform-thickness aramid calendered product of claim 8, wherein: the bottom end of the fixing bolt (30) penetrates through the top end of the sliding ring block (29) and extends to the position of the inner wall of the sliding ring block (29), and the sliding ring block (29) is in threaded connection with the fixing bolt (30).

10. The calender for preparing the uniform-thickness aramid calendered product of claim 8, wherein: the transverse rotating shaft (34) is movably connected with the semicircular lantern ring block (33) through a bearing, and the vertical roller (32) is movably connected with the concave frame plate (28).