CN110699794B - A add bullet machine for producing fire-retardant DTY that excels in - Google Patents
A add bullet machine for producing fire-retardant DTY that excels in Download PDFInfo
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- CN110699794B CN110699794B CN201910926849.4A CN201910926849A CN110699794B CN 110699794 B CN110699794 B CN 110699794B CN 201910926849 A CN201910926849 A CN 201910926849A CN 110699794 B CN110699794 B CN 110699794B
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- roller
- elastic layer
- elastic
- spring
- mounting seat
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/02—Roller arrangements not otherwise provided for
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/10—Tension devices
- D01H13/104—Regulating tension by devices acting on running yarn and not associated with supply or take-up devices
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
- D02G1/0206—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
- D02G1/0266—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting false-twisting machines
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
Abstract
The invention discloses an elasticizer for producing high-strength flame-retardant DTY (draw textured yarn), which adopts the technical scheme that the elasticizer comprises a frame, wherein a roller device for drawing fiber precursor is arranged on the frame, the roller device comprises a first roller, the first roller comprises a roller and a leather roller, the leather roller is positioned at the yarn feeding side of the roller, the leather roller is sleeved with an elastic cushion, the frame is also provided with an adjusting device for lifting to adjust the tension of the fiber precursor, and the adjusting device is positioned at the yarn discharging side of the first roller. This technique is through establishing the elasticity cushion on the leather roller cover for fibre raw silk is at the in-process of carrying, and the elasticity cushion plays the effect of real-time adjustment tension to fibre raw silk.
Description
Technical Field
The invention relates to the field of textile production equipment, in particular to an elasticizer for producing high-strength flame-retardant DTY.
Background
In the chemical fiber field, in order to make some fiber strands, such as terylene, chinlon, polypropylene fiber, bamboo charcoal fiber or some composite fiber, have some special properties, especially good elasticity, after the fiber strands are made, the fiber strands are subjected to elasticizing deformation treatment, and the equipment for elasticizing and deforming the fiber strands is called an elasticizing machine. In general, important process units for texturing with a texturing machine include feed rollers, heating devices, cooling devices, false twisters, oiling devices, winding devices, and the like.
Before the texturing machine is used for processing, the fiber precursor needs to be subjected to head lifting operation, so that the fiber precursor is erected from the precursor of the texturing machine and sequentially passes through a filament cutter, a first roller, a deformation hot box, a cooling device, a false twister, a second roller, a setting hot box, a third roller, an oiling wheel and a winding device, and the fiber precursor needs to be normally unwound from head to tail. First roller, second roller and third roller pull fibre precursor, for fibre precursor provides traction force, ensure that fibre precursor normally carries, fibre precursor gets into and warp the hot case and carry out tensile deformation, and cooling device cools off fibre precursor, then gets into the false twister and carries out the false twist to make fibre precursor have elasticity, go out behind the false twister through the design heating cabinet design, the DTY that coils of oiling.
In the conventional texturing machine, the first roller, the second roller and the third roller are generally formed in a manner of combining a roller and a leather roller, so that the rollers have better holding force on fiber strands. However, in the process of conveying the fiber precursor, the traction force of the first, second and third rollers acting on the fiber precursor is fixed, and the fiber precursor enters the deformation hot box through the first roller to be stretched and deformed, the tension of the fiber precursor can be changed, and in the process of conveying the fiber precursor, the tension of each section of the fiber precursor is different, so that the tension of the fiber precursor is difficult to adjust in real time, when the tension is too large, the yarn breakage is easy to occur, and the yarn breakage needs to be subjected to new head lifting operation, so that the steps are extremely complicated, and the normal operation of the subsequent processes is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the elasticizer for producing the high-strength flame-retardant DTY, which has the advantage of adjusting the tension of fiber strands in real time.
The technical scheme adopted by the invention is realized as follows: including the frame, be provided with the roller device that is used for pulling fibre precursor in the frame, the roller device includes first roller, first roller includes roller and leather roller, the leather roller is located the silk side of advancing of roller, the leather roller cover is equipped with the elastic cushion, still be provided with in the frame and be used for going up and down with the tensile adjusting device of adjusting fibre precursor, adjusting device is located the play silk side of first roller.
By adopting the technical scheme, the fiber protofilament sequentially bypasses the low point of the leather roller and the high point of the roller, the traction force is generated on the fiber protofilament through the rotation of the leather roller and the roller, the traction effect is further realized on the fiber protofilament, the first roller has better holding force on the fiber protofilament through the cooperation of the leather roller, and the elastic cushion is additionally arranged on the leather roller, so that when the tension of the fiber protofilament is overlarge, the pressure of the fiber protofilament acting on the leather roller is increased, the elastic cushion is further compressed, and the elastic cushion is pressed to form the concave part, so that the pressure acting on the elastic cushion and the elastic force generated by the pressing of the elastic cushion are always kept in a balanced state; when the tension that the fibre precursor received reduces, the pressure of effect on the elasticity cushion reduces, the elasticity of elasticity cushion this moment is greater than the pressure that the fibre precursor acted on the elasticity cushion, and then the drive fibre precursor moves down to the tension of increase fibre precursor, the elasticity effect that utilizes the elasticity cushion forms the tension of self-interacting fibre precursor, and then plays the effect of fine setting to the tension of fibre precursor, it takes place because of the too big condition of broken string of tension to reduce fibre precursor, effectively reduced the broken string rate.
As a further improvement of the present invention, the elastic cushion includes a first elastic layer, a second elastic layer and a third elastic layer, the third elastic layer is wrapped on the leather roller, the second elastic layer is wrapped on the third elastic layer, the first elastic layer is wrapped on the second elastic layer, the elasticity of the first elastic layer is smaller than that of the second elastic layer, and the elasticity of the second elastic layer is smaller than that of the third elastic layer.
By adopting the technical scheme, when the fiber protofilament passes through the first roller, the fiber protofilament is wound on the elastic soft cushion of the leather roller, and the first elastic layer is positioned on the outermost layer of the leather roller, so that after the fiber protofilament bypasses the leather roller, the pressure of the fiber protofilament acting on the leather roller firstly compresses the first elastic layer, when the pressure is greater than the elastic force of the first elastic layer, the fiber protofilament continues to be pressed downwards, and then the second elastic layer is compressed, and the second elastic layer provides stronger elastic force for the fiber protofilament, so that the pressure of the fiber protofilament acting on the elastic soft cushion and the elastic force generated by the elastic soft cushion are always kept in a balanced state; the three elastic layers are additionally arranged, so that the tension adjustment of the fiber precursor in a wider range can be realized, the occurrence of yarn breakage of the fiber precursor due to overlarge tension is reduced, and the yarn breakage rate is effectively reduced.
As a further improvement of the invention, the adjusting device comprises an installation seat movably arranged on the rack, a rotating shaft horizontally arranged on the installation seat and an adjusting roller rotatably sleeved on the rotating shaft, the installation seat can lift relative to the rack, and the rack is provided with a driving assembly for driving the installation seat to lift.
Through adopting foretell technical scheme, because fibre precursor is through warping the heating cabinet heating so that the tensile back that warp of fibre precursor, the tension of fibre precursor can reduce because of tensile, goes up and down through drive assembly drive mount pad to change the route that fibre precursor passes through the roller device, and then realize adjusting the tension of fibre precursor.
As a further improvement of the invention, the driving assembly comprises a driving motor, an output shaft of the driving motor is connected with a screw rod, a threaded sleeve is vertically arranged on the mounting seat, and the screw rod is in threaded connection with the threaded sleeve.
Through adopting foretell technical scheme, the tension of fibre precursor is convenient for adjust to the cooperation mode of driving motor and screw rod for the process of adjusting is more steady controllable.
As a further improvement of the invention, the rotating shaft can be lifted relative to the mounting seat and is circumferentially kept relatively fixed with the mounting seat, and the mounting seat is further provided with an elastic adjusting assembly for finely adjusting the rotating shaft so as to lift the rotating shaft relative to the mounting seat.
Through adopting foretell technical scheme, the roller is to fibre precursor provide traction force for fibre precursor drives the relative pivot of dancer rools and rotates at the in-process of carrying, and the pivot keeps relatively fixed with the mount pad in circumference, makes the dancer rools can not drive the pivot when rotating and rotates, and accessible elasticity adjusting part finely tunes the lift of pivot this moment, so that the tension that the dancer rools were adjusted to the dancer rools is more nimble and more accurate.
As a further improvement of the invention, the elastic adjusting component comprises an inner rod vertically arranged on the side wall of the mounting seat, the inner rod is arranged in a hollow manner, one end of the inner rod is an open end, the other end of the inner rod is a closed end, the open end of the inner rod faces the rotating shaft, a first spring is arranged in the inner rod, one end of the first spring is connected to the rotating shaft, and the other end of the first spring is connected to the closed end of the inner rod.
Through adopting foretell technical scheme, the in-process that fibre precursor was carried, when the tension of fibre precursor changes, the power that is used in on the regulating roller also can change, and the effort that the regulating roller was used in on first spring is big more, regulating roller compression or extension spring's length is longer more, make the elasticity of first spring effect on the regulating roller big more, so that the elasticity of first spring is in the keep balance state with the power that fibre precursor was used in on the regulating roller, and then realize the tension of fine setting fibre precursor, make the in-process that fibre precursor carried more steady.
As a further improvement of the invention, a sleeve is sleeved outside the inner rod, the inner rod can slide relative to the sleeve, the sleeve is fixedly connected to the mounting seat, a second spring is further arranged in the sleeve, the inner rod is sleeved with the second spring, and the elastic coefficient of the second spring is greater than that of the first spring.
Through adopting foretell technical scheme, when the former silk of fibre produced the effort to the dancer rools, first spring produced reverse effort to the dancer rools, when the former silk of fibre produced the effort to the dancer rools and is greater than the elasticity of first spring, the second spring provides elasticity for the dancer rools for the elasticity that first spring and second spring were applyed on the dancer rools keeps balance with the power that the former silk of fibre acted on the dancer rools.
As a further improvement of the invention, the side wall of the inner rod is provided with a limiting block, and the inner wall of the sleeve is provided with a limiting groove for the limiting block to slide along the vertical direction.
Through adopting foretell technical scheme, the cooperation of stopper and spacing groove plays spacing and guide's effect to the interior pole for interior pole keeps sliding relative sleeve.
As a further improvement of the invention, a T-shaped groove is formed in the side wall of the mounting seat along the vertical direction, and a T-shaped block which is in sliding fit with the T-shaped groove is arranged at the end part of the rotating shaft.
Through adopting foretell technical scheme, the cooperation of T-slot and T-shaped piece makes the pivot mount pad lift relatively, and when the dancer rools rotated, the T-slot played spacing effect with the T-shaped piece to the pivot to the rotation of restriction pivot.
In conclusion, the invention has the following beneficial effects:
1. the leather roller is additionally provided with the elastic soft cushion, so that when the tension of the fiber protofilament is overlarge, the pressure of the fiber protofilament acting on the leather roller is increased, the elastic soft cushion is further compressed, and the elastic soft cushion is compressed to form a concave part, so that the pressure acting on the elastic soft cushion and the elastic force generated by the compression of the elastic soft cushion are always kept in a balanced state; when the tension borne by the fiber precursor is reduced, the pressure acting on the elastic cushion is reduced, the elasticity of the elastic cushion is larger than the pressure acted on the elastic cushion by the fiber precursor, the fiber precursor is driven to move upwards to change the tension of the fiber precursor, the tension of the self-adjusting fiber precursor is formed by utilizing the elasticity of the elastic cushion, the tension of the fiber precursor is finely adjusted, the occurrence of yarn breakage of the fiber precursor due to overlarge tension is reduced, and the yarn breakage rate is effectively reduced;
2. because fibre precursor heats so that the tensile back that warp of fibre precursor through warping the heating cabinet, the tension of fibre precursor can reduce because of tensile, goes up and down through drive assembly drive mount pad to change fibre precursor through the route of roller device, and then realize adjusting the tension of fibre precursor.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an exploded view of the regulating device of the present embodiment;
FIG. 4 is a schematic view of the inner structure of the mount of the present embodiment after being cut away;
fig. 5 is an enlarged view of a portion B in fig. 4.
In the figure: 1. a frame; 2. a first roller; 21. a roller; 22. a leather roller; 3. an adjustment device; 31. a mounting seat; 32. a rotating shaft; 33. a regulating roller; 311. a bump; 312. a guide bar; 313. a fixed block; 314. a sliding groove; 4. a first elastic layer; 5. a second elastic layer; 6. a third elastic layer; 7. a drive motor; 8. a screw; 9. a threaded sleeve; 10. an inner rod; 11. a first spring; 12. a sleeve; 13. a second spring; 14. a limiting block; 15. a limiting groove; 16. a T-shaped slot; 17. a T-shaped block.
Detailed description of the preferred embodiments
The present invention will be described in further detail with reference to the accompanying drawings.
An elasticizer for producing high-strength flame-retardant DTY (draw textured yarn), as shown in figure 1, comprises a frame 1, wherein a roller device for drawing fiber strands is arranged on the frame 1. Specifically, the roller device comprises a first roller 2, a second roller and a third roller, wherein the first roller 2 is arranged at the top of the frame 1. In addition, the texturing machine also comprises a raw silk frame, a texturing heating box, a cooling plate, a false twister, a setting hot box, an oiling wheel and a winding device. The raw silk frame is used for placing rolled fiber raw silk, and the fiber raw silk on the raw silk frame sequentially passes through the first roller 2, the deformation hot box, the cooling device, the false twister, the second roller, the shaping hot box, the third roller, the oiling wheel and the winding device, so that the fiber raw silk is processed into DTY.
Specifically, as shown in fig. 1 and 2, the first roller 2 includes a roller 21 rotatably supported on the frame 1 in a horizontal direction and a leather roller 22, the leather roller 22 is located on a feeding side of the roller 21, and a low point of the leather roller 22 is lower than a high point of the roller 21. Before the processing protofilament, at first hang the protofilament of roll-like on the protofilament frame, the protofilament frame provides the protofilament to the elasticizer, and the protofilament is walked around the low position of leather roller 22 after, and the high position of roller 21 is walked around again to make first roller 2 have better holding power to the protofilament, and through such around establishing the tension when the mode can increase protofilament and carry. In this embodiment, the first roller 2, the second roller, and the third roller each include a leather roller 22 and a roller 21.
In addition, the leather roller 22 is externally sleeved with an elastic cushion for adjusting the fiber strands, the tension of the fiber strands can be self-adjusted through the elastic action of the elastic cushion, namely when the tension of the fiber strands is too large, the pressure of the fiber strands acting on the leather roller 22 is increased, the elastic cushion is further compressed, the elastic cushion is compressed to form a concave part, so that the pressure acting on the elastic cushion and the elastic force generated by the compression of the elastic cushion are always in a balanced state, and the elastic cushion is compressed to form the concave part, so that the point position of the fiber strands pressing against the leather roller 22 is reduced, and the tension of the fiber strands is reduced; on the contrary, when the tension that the fibre precursor received reduces, the pressure of effect on the elasticity cushion reduces, and the elasticity of elasticity cushion this moment is greater than the pressure that the fibre precursor acted on the elasticity cushion, and then the drive fibre precursor shifts up to change the tension of fibre precursor, utilize the elasticity effect of elasticity cushion to form the tension of self-interacting fibre precursor, and then play the effect of fine setting to the tension of fibre precursor, reduce the fibre precursor and take place because of the too big condition of broken string of tension, effectively reduced the broken string rate.
Specifically, as shown in fig. 1 and 2, the elastic cushion includes a first elastic layer 4, a second elastic layer 5, and a third elastic layer 6. Wherein, first elastic layer 4, second elastic layer 5 and third elastic layer 6 bond in proper order, and second elastic layer 5 is located between first elastic layer 4 and the third elastic layer 6, and first elastic layer 4 is located the skin, and third elastic layer 6 is located the inlayer, and the elasticity of first elastic layer 4, second elastic layer 5 and third elastic layer 6 increases in proper order. In the present embodiment, the elasticity of the first elastic layer 4, the second elastic layer 5, and the third elastic layer 6 is understood to mean that when the three elastic layers are subjected to the same pressure from the fiber strands, the depressions formed are not uniform in depth, that is, the smaller the elasticity is, the deeper the depressions are formed. The first elastic layer 4 may be a sponge, the second elastic layer 5 and the third elastic layer 6 are both elastic rubber pads, and the elasticity of the third elastic layer 6 is greater than that of the two elastic layers 5.
In addition, as shown in fig. 1 and 3, the frame 1 is further provided with an adjusting device 3 for adjusting the tension of the fiber strands, the adjusting device 3 can be lifted and lowered relative to the frame 1, and the frame 1 is provided with a driving assembly for driving the adjusting device 3 to lift and lower. In the present embodiment, the adjusting device 3 is located on the filament exit side of the first roller 2.
Specifically, adjusting device 3 includes square mount pad 31, pivot 32 and the adjusting roller 33 of rotating the cover and establishing in pivot 32 on mount pad 31 of horizontal installation, and the fibre precursor is followed first roller 2 and is come out the back, by the low level end of adjusting roller 33 to the in-process that makes the fibre precursor carry, adjusting roller 33 has better effect to the tension regulation of fibre precursor. In addition, a lifting assembly for driving the mounting seat 31 to lift is further arranged on the frame 1. Through drive assembly drive mount pad 31 lift, can realize adjusting the tension of adjusting fibre precursor.
Specifically, as shown in fig. 1 and 3, the driving assembly includes a driving motor 7 fixedly mounted on the frame 1, and an output shaft of the driving motor 7 faces vertically upward. Simultaneously, driving motor 7's output shaft has screw rod 8, and the lateral wall welding of mount pad 31 has with 8 threaded connection thread bush 9 of screw rod, rotates through driving motor 7 driving screw rod 8 and can realize the lift of mount pad 31, and then adjusts the tension of fibre precursor, and driving motor 7 makes more steady controllable in the accommodation process with the cooperation mode of screw rod 8. In this embodiment, a protruding block 311 is welded on a side of the mounting base 31 opposite to the threaded sleeve 9, and a guide rod 312 penetrating through the protruding block 311 is fixed on the rack 1 along the vertical direction, so that the mounting base 31 can be lifted along the guide rod 312.
In addition, as shown in fig. 3 and 4, two fixing blocks 313 are integrally formed on the mounting seat 31, and the two fixing blocks 313 are symmetrically fixed on both sides of the mounting seat 31. Two relative lateral walls of two fixed blocks 313 have all seted up along vertical direction and have slided groove 314, and the both ends of pivot 32 slide with two grooves 314 respectively and be connected. T-shaped groove 16 is opened along the length direction of sliding groove 314 to the cell wall of sliding groove 314, and the tip of pivot 32 is fixed with the T-shaped piece 17 of being connected with T-shaped groove 16 slides, and the surface of T-shaped piece 17 is smooth setting to reduce the frictional force between T-shaped piece 17 and the T-shaped groove 16. The rotating shaft 32 can be lifted relative to the mounting seat 31 through the matching of the T-shaped groove 16 and the T-shaped block 17, and is kept relatively fixed with the mounting seat 31 in the circumferential direction. In this embodiment, an elastic tension adjusting component for fine adjustment of the fiber yarn is further added in the sliding groove 314, and the elastic tension adjusting component is connected with the end of the rotating shaft 32.
Specifically, as shown in fig. 4 and 5, the elastic fine adjustment assembly includes an inner rod 10 disposed in a hollow manner, and the inner rod 10 is vertically installed in the sliding groove 314. In this embodiment, the inner rod 10 is located below the rotating shaft 32, and one end of the inner rod 10 is an open end, and the other end is a closed end, and the open end of the inner rod 10 faces the rotating shaft 32. A first spring 11 is installed in the inner rod 10, and the length of the first spring 11 is greater than that of the inner rod 10. One end of the first spring 11 is fixedly connected to the closed end of the inner rod 10, and the other end is fixedly connected to the rotating shaft 32, in this embodiment, a connecting block is welded to the end of the rotating shaft 32, and one end of the first spring 11 is fixedly connected to the connecting block.
In addition, as shown in fig. 4 and 5, a sleeve 12 is further sleeved outside the inner rod 10, the sleeve 12 is fixed in the sliding slot of the fixing block 313, and the inner rod 10 can slide relative to the sleeve 12. The lateral wall of interior pole 10 is welded with stopper 14, and the inner wall of sleeve 12 is seted up and is supplied stopper 14 to slide spacing groove 15. A second spring 13 is further installed in the limiting groove 15, the inner rod 10 is sleeved with the second spring 13, one end of the second spring 13 is fixedly connected with the limiting block 14, and the other end of the second spring is fixedly connected with the cylinder bottom of the sleeve 12. In the present embodiment, the elastic coefficient of the second spring 13 is larger than that of the first spring 11. When the fiber raw silk generates acting force on the adjusting roller 33, the first spring 11 generates reverse acting force on the adjusting roller 33, and when the acting force of the fiber raw silk on the adjusting roller 33 is larger than the elastic force of the first spring 11, the second spring 13 provides elastic force for the adjusting roller 33, so that the elastic force exerted on the adjusting roller 33 by the first spring 11 and the second spring 13 is balanced with the force exerted on the adjusting roller 33 by the fiber raw silk.
The overall working process is as follows: the fiber precursor bypasses the high point of the leather roller 22 and the low point of the roller 21 in sequence, the traction force is generated on the fiber precursor through the rotation of the leather roller 22 and the roller 21, and then the fiber precursor is dragged, the first roller 2 has better holding force on the fiber precursor through the cooperation of the leather roller 22, and the elastic cushion is additionally arranged on the leather roller 22, so that when the tension of the fiber precursor is overlarge, the pressure of the fiber precursor acting on the roller 21 is increased, the elastic cushion is further compressed, and the elastic cushion is compressed to form a concave part, so that the pressure acting on the elastic cushion and the elastic force generated by the compression of the elastic cushion are always kept in a balanced state; when the tension borne by the fiber precursor is reduced, the pressure acting on the elastic cushion is reduced, the elasticity of the elastic cushion is larger than the pressure acted on the elastic cushion by the fiber precursor, so that the fiber precursor is driven to move downwards to increase the tension of the fiber precursor, the tension of the self-adjusting fiber precursor is formed by utilizing the elasticity of the elastic cushion, and the tension of the fiber precursor is finely adjusted; simultaneously, because fibre precursor heats so that the tensile back that warp of fibre precursor through warping the heating cabinet, the tension of fibre precursor can reduce because of tensile, goes up and down through drive assembly drive mount pad 31 to change the path of fibre precursor through the roller device, and then realize adjusting the tension of fibre precursor.
The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims.
Claims (5)
1. The utility model provides a add bullet machine for producing fire-retardant DTY that excels in, includes frame (1), be provided with the roller device that is used for drawing the fibre precursor in frame (1), the roller device includes first roller (2), its characterized in that: the first roller (2) comprises a roller (21) and a leather roller (22), the leather roller (22) is located on the silk feeding side of the roller (21), the leather roller (22) is sleeved with an elastic cushion, an adjusting device (3) used for lifting to adjust the tension of fiber protofilaments is further arranged on the machine frame (1), and the adjusting device (3) is located on the silk discharging side of the first roller (2);
the adjusting device (3) comprises a mounting seat (31) movably arranged on the rack (1), a rotating shaft (32) horizontally arranged on the mounting seat (31) and an adjusting roller (33) rotatably sleeved on the rotating shaft (32), the mounting seat (31) can lift relative to the rack (1), and a driving assembly for driving the mounting seat (31) to lift is arranged on the rack (1);
the rotating shaft (32) can lift relative to the mounting seat (31) and is circumferentially and relatively fixed with the mounting seat (31), and the mounting seat (31) is further provided with an elastic adjusting assembly for finely adjusting the rotating shaft (32) so that the rotating shaft (32) can lift relative to the mounting seat (31);
the elastic adjusting assembly comprises an inner rod (10) vertically arranged on the mounting base (31), the inner rod (10) is arranged in a hollow mode, one end of the inner rod (10) is an open end, the other end of the inner rod is a closed end, the open end of the inner rod (10) faces the rotating shaft (32), a first spring (11) is arranged in the inner rod (10), one end of the first spring (11) is connected to the rotating shaft (32), and the other end of the first spring is connected to the closed end of the inner rod (10);
interior pole (10) overcoat is equipped with sleeve (12), interior pole (10) can slide relative sleeve (12), sleeve (12) fixed connection in mount pad (31), still be provided with second spring (13) in sleeve (12), second spring (13) cover is located interior pole (10), the elastic coefficient of second spring (13) is greater than the elastic coefficient of first spring (11).
2. The draw texturing machine for producing high-strength flame-retardant DTY according to claim 1, characterized in that: the elastic cushion comprises a first elastic layer (4), a second elastic layer (5) and a third elastic layer (6), wherein the third elastic layer (6) is wrapped on the leather roller (22), the second elastic layer (5) is wrapped on the third elastic layer (6), the first elastic layer (4) is wrapped on the second elastic layer (5), the elasticity of the first elastic layer (4) is smaller than that of the second elastic layer (5), and the elasticity of the second elastic layer (5) is smaller than that of the third elastic layer (6).
3. The draw texturing machine for producing high-strength flame-retardant DTY according to claim 1, characterized in that: the driving assembly comprises a driving motor (7), an output shaft of the driving motor (7) is connected with a screw rod (8), a threaded sleeve (9) is vertically arranged on the mounting seat (31), and the screw rod (8) is in threaded connection with the threaded sleeve (9).
4. The draw texturing machine for producing high-strength flame-retardant DTY according to claim 1, characterized in that: the side wall of the inner rod (10) is provided with a limiting block (14), and a limiting groove (15) for the limiting block (14) to slide is formed in the inner wall of the sleeve (12) in the vertical direction.
5. The draw texturing machine for producing high-strength flame-retardant DTY according to claim 1, characterized in that: t-shaped grooves (16) are formed in the side walls of the mounting base (31) in the vertical direction, and T-shaped blocks (17) matched with the T-shaped grooves (16) in a sliding mode are arranged at the end portions of the rotating shafts (32).
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| CN201910926849.4A CN110699794B (en) | 2019-09-27 | 2019-09-27 | A add bullet machine for producing fire-retardant DTY that excels in |
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| CN201910926849.4A CN110699794B (en) | 2019-09-27 | 2019-09-27 | A add bullet machine for producing fire-retardant DTY that excels in |
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| CN110699794B true CN110699794B (en) | 2020-09-01 |
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| CN110699794A (en) | 2020-01-17 |
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