EP2420601A1 - Dispositif peigneur - Google Patents

Dispositif peigneur Download PDF

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Publication number
EP2420601A1
EP2420601A1 EP10764036A EP10764036A EP2420601A1 EP 2420601 A1 EP2420601 A1 EP 2420601A1 EP 10764036 A EP10764036 A EP 10764036A EP 10764036 A EP10764036 A EP 10764036A EP 2420601 A1 EP2420601 A1 EP 2420601A1
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EP
European Patent Office
Prior art keywords
carding
rollers
roller
box body
wool
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10764036A
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German (de)
English (en)
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EP2420601B1 (fr
EP2420601A4 (fr
Inventor
Jinshan Huang
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HANGZHOU YUANDESHAN SCIENTIFIC & TECHNICAL CO., LT
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Jinshan Huang
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Publication of EP2420601A1 publication Critical patent/EP2420601A1/fr
Publication of EP2420601A4 publication Critical patent/EP2420601A4/fr
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Publication of EP2420601B1 publication Critical patent/EP2420601B1/fr
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details

Definitions

  • the present invention generally relates to the field of textile material preparation technologies, and in particular, to a carding machine that has a small damage on the wool fiber length during carding.
  • wool is generally carded by using a flat card, a worker and stripper card or a remodeled mechanism of these two kinds of devices.
  • the main principle of these two kinds of machines is to remove the coarse wool and the impurity via the repeated carding action of the pricker roller of a flat card or the carding ring of a worker and stripper card.
  • a heavy damage is laid on the wool fiber length, the quality of the dehaired wool is limited, and the application range and value of the dehaired wool are influenced.
  • a great deal of flock powder is generated by these traditional devices during carding, and it is difficult to recover wool fibers with a too short length, thus the extraction rate of wool fibers will be lowered, and the carding cost will be raised.
  • the present inventors put forward a wool carding method with a low damage and technologies related thereto, including construction of carding unit, a driving mechanism, a feeding unit, a discharging unit, etc., referring to related contents of patents ZL0215463C4, ZL20052000366A0, ZL200520003175.4, 200420013025.7 and ZL200520003909.9.
  • the disclosure of these patents are incorporated herein by reference. There still exist some modifications and improvements for these disclosed technologies, and some technical problems still need to be solved for its application in production.
  • a high-speed air flow is generated during the high-speed rotation of the carding roller in a carding apparatus, and a high pressure is formed in the rolling-in region between adjacent carding rollers, thus the carding effect will be influenced.
  • the layout and arrangement of each component in the carding device need to be further optimized.
  • the technical problem to be solved by the present invention is to overcome the deficiency in the prior art and to provide a carding machine that can reduce the damage to the wool fiber length, improve the extraction rate and the quality of wool fiber and lower the cost.
  • the carding machine used for separating dehaired wool meeting a predetermined specification out from the fed wool.
  • the carding machine comprises: a carding part, which comprises a box body and two carding units contained therein; feeding parts, which are adapted to convey the wool into the carding part; discharging parts, which are adapted to transfer and discharge the dehaired wool separated by the carding part; and a driving part, which is adapted to drive the carding unit to operate according to a predetermined movement mode.
  • the construction and size of the two carding units are the same as each other, and the two carding units are arranged respectively along two parallel planes that are perpendicular to the bottom surface of the box body.
  • each carding roller of the two carding units is parallel to the bottom surface of the box body; and seen from top view, a rectangular middle falling-material reception space is formed jointly by the two carding units and the box body, and a rectangular side falling-material reception space is formed by each carding unit and the box body on the side opposite to the middle falling-material reception space, wherein in comparison with the middle falling-material reception space, the side falling-material reception space retracts a predetermined distance at both ends along the axial direction of the carding roller, so that spaces for accommodating the feeding part and the discharging part are left respectively; the two carding units and their respectively fitted feeding part and discharging part are symmetrical to each other in relation to the middle falling-material reception space along the axle wire of the carding roller in the axial direction.
  • the box body is sealed, except for the ventages that make the components inside and outside the box body connected or fitted with each other, so that a negative pressure can be generated in the box body under the action of a blower fan installed outside the box body.
  • the carding unit comprises a plurality of carding rollers and guide tubes fitted thereto, and the plurality of carding rollers of the carding unit are arranged adjacently in the parallel planes horizontally from high to low in turn, respectively, wherein the adjacent carding rollers are arranged according to toward-needle-direction peeling-and-taking action, the rotation direction of each carding roller is the same as the needle direction, and the rotation direction of the adjacent carding rollers is opposite to each other.
  • the guide tube is a hollow straight tube arranged along the axial direction of the carding roller and near each pair of rolling-in regions between adjacent carding rollers, and a sharp angle is formed at the two endpoints of the rolling-in region; the side of the guide tube that is near to the adjacent carding rollers fits the rolling-in region between adjacent carding rollers and has air ports distributed thereon, wherein a wind tunnel is formed in the hollow part of the guide tube, one end of the guide tube is connected with the blower fan outside the box body, and the other end is sealed, so that a negative pressure is formed in the wind tunnel under the action of the blower fan.
  • Fig.1 is a top view of the structure of an exemplary complete machine according to the invention.
  • Fig.2 is a structural representation of a carding unit
  • Fig.3 is a close-up view of Fig.2 ;
  • Fig.4 is structural representation showing the fitting between a drive shaft 15a, an apron belt 5a and the carding roller;
  • Fig.5 is a structural representation showing the fitting between a drive shaft 15b, an apron belt 5b and the carding roller;
  • Fig.6 is a structural representation showing the fitting between a feeding part and a carding roller
  • Fig.7 is a structural representation showing the fitting between a discharging part and a carding roller
  • Fig.8 is a structural representation showing the arrangement of the carding roller.
  • Fig.9 is a structural representation showing the axle head and its exserted opening of the carding roller.
  • the carding part of the carding machine comprises a plurality of carding units.
  • Fig.8 is a schematic diagram showing the arrangement of each carding roller in an exemplary carding unit;
  • Fig.2 is a diagram of the exemplary carding unit seen from the end part of the carding roller;
  • Fig.3 is diagram showing the adjacent upper and lower carding rollers seen from the end part of the carding roller.
  • Carding roller is a well-known component that is traditionally used in the art.
  • the carding roller 3 used in the invention is formed by covering a cylinder with a flexible wire clothing 9. Steel needles with nonuniform densities are distributed on the flexible wire clothing 9. The steel needle density on the flexible wire clothing becomes larger and larger from one end to the other end of the carding roller. One end of the steel needle is fixed on the backing cloth for wrapping the roller, and the direction of the other end forms a certain angle with the diameter of the roller.
  • the carding unit of the invention comprises a plurality of carding rollers.
  • a plurality of carding rollers 3 are arranged adjacently on a plane in turn along the direction of the diameter of the roller.
  • the plane is referred to as an arrangement plane of carding units.
  • the axis of each carding roller in the carding unit forms a group of parallel lines on the arrangement plane of the carding unit.
  • the largest distance between the carding roller surface and the arrangement plane is the radius of the roller (cross section).
  • the axial direction of the carding roller is referred to as the length direction of the carding unit
  • the direction perpendicular to carding roller axis on the arrangement plane is referred to as the width direction of the carding unit
  • the direction perpendicular to the arrangement plane is referred to as the thickness direction of the carding unit.
  • each roller rotates at a variable speed around its axis according to a movement mode that is set. Moreover, the roller is set to perform axial reciprocation at the same time as it rotates at a variable speed, so that fibers may be transported.
  • the specific carding roller that performs axial reciprocation is referred to as a transport roller.
  • the carding roller that is located in the middle position in the carding unit may be referred to as a central roller.
  • the roller at the middlemost position will be the central roller.
  • one of the two middlemost rollers may be specified as the central roller.
  • One end of the carding roller along the axial direction is taken as the feeding end, and the other end is taken as the discharging end.
  • a predetermined length from the feeding end on the roller surface of the carding roller along the axial direction is referred to as a feeding section, and a predetermined length from the discharging end along the axial direction is referred to as a discharging section.
  • the middle part between the feeding section and the discharging section is referred to as a main carding section.
  • the feeding end of each carding roller in the carding unit all points to the same direction.
  • the side directed by the feeding end along the axial direction of the roller is referred to as a feeding side, and the side directed by the discharging end is referred to as a discharging side.
  • the carding unit receives input material from the feeding side, and outputs dehaired wool meeting a predetermined specification from the discharging side.
  • the rotation directions of two adjacent carding rollers 3 in the carding unit is opposite to each other, and the direction of the steel needles on the roller (needle direction, for short) is consistent with the rotation direction of the roller.
  • Such an arrangement is referred to as "toward-needle-direction peeling-and-taking action" in the art.
  • the adjacency line of adjacent two carding rollers 3 along the axial direction is referred to as a peeling-and-taking line.
  • the adjacency line is a construction line; in fact, a certain gap exists between adjacent rollers.
  • roller A peels and takes roller B
  • the section formed by adjacent two carding rollers 3 via transferring 90 degrees along the rotation direction of the roller and along the circumference of the cross section of the carding roller on the corresponding side of the arrangement plane from the peeling-and-taking line to both sides is referred to as a rolling-out section, and a section formed by transferring 90 degrees against the rotation direction of the roller on the other side of the arrangement plane is referred to as a rolling-in region.
  • Both the rolling-in region and the rolling-out section contain one-quarter circular arc surface of the two rollers.
  • the two endpoints of the rolling-in region correspond to the apogee of the two carding rollers on the corresponding side of the arrangement plane, respectively; the two endpoints of the rolling-out section correspond to the apogee of the two carding rollers on the other side of the arrangement plane, respectively.
  • the midpoint of the rolling-in region and the rolling-out section corresponds to the tangent point of the two carding rollers.
  • Fig.3 indicates the rotation direction of the carding roller. Seen in the figure, the two one-quarter circular arc surface regions extended toward the rotation direction of the two rollers from the tangent point respectively will be the rolling-out section, while the region of the two rollers relative to the rolling-out section on the other side of the arrangement plane along the thickness direction of the carding unit will be the rolling-in region.
  • a guide tube 10 in the form of a straight tube is arranged along the axial direction of the carding roller near the rolling-in region of the adjacent carding rollers. Details of the guide tube will be discussed below in detail.
  • a hollow guide tube is set along the axial direction of the roller for the rolling-in region between each pair of adjacent carding rollers in the carding unit.
  • the guide tube is a straight tube arranged along the axial direction of the carding roller.
  • a recessed arc that fits with the circular arc of the roller exists along one side of the rolling-in region.
  • the guide tube forms a sharp angle near the endpoint of the recessed arc, for shunting coarse and fine fibers.
  • the sharp angle of the recessed arc may just correspond to the endpoint of the rolling-in region, or it may extend to exceed the location of the rolling-in region, or it may exist at a location that does not exceed the rolling-in region.
  • the sharp angle may be located in a range of 80 degrees to 100 degrees rotated along the cambered surface of the roller from the location of the peeling-and-taking line, for adapting fibers with different lengths.
  • the guide tube further guides the high-speed air flow generated via the rotation of the carding roller by using the channel in the hollow part, so that the influence of the air flow on the carding may be eliminated or alleviated.
  • the recessed arc of the guide tube near the adjacent carding rollers fits with the rolling-in region between adjacent carding rollers, and it has air ports distributed thereon.
  • each carding roller is arranged horizontally in an upright plane.
  • each carding roller in the carding unit is arranged from up and down, for easy description, when two adjacent carding rollers are discussed, these two adjacent carding rollers are respectively referred to as upper roller and lower roller, in the case that no confusion is made.
  • the endpoint of the rolling-in (rolling-out) on the upper roller is referred to as the upper end of the rolling-in (rolling-out) section, and the endpoint on the lower roller is referred to as the lower end of the rolling-in (rolling-out) section.
  • Fig.3 shows a preferred guide tube, and the arrangement plane of the corresponding carding unit is perpendicular to ground.
  • the cross section of the guide tube has a sealed pattern constructed by four arcs. As seen from the circumference of the sealed pattern, the part of the sealed pattern enclosed by four arcs near the carding roller is the recessed arc a that fits with the one-quarter circumferential surface of the upper roller and the recessed arc b that fits with the one-quarter circumferential surface of the lower roller. A certain gap exists between the carding roller and the guide tube.
  • the rest parts of the sealed pattern are recessed arc c that is located in the lower part and bulges upwards and convex arc d that extrudes outside and is far from the adjacent carding rollers.
  • Arc a and arc d form a sharp angle A on the upper end
  • arc b and arc c form a sharp angle B on the lower end
  • arc d and arc c forms a sharp angle C at the
  • Air ports 8 are distributed on the two cambered surfaces of the guide tube corresponding to arcs a and b that are near to the carding roller 3.
  • a wind tunnel 11 is formed by the hollow part of the guide tube 10, the guide tube 10 is connected with a blower fan outside the box body at one end of the discharging end of the corresponding carding roller (or connected with a dust chamber simultaneously), and the other end is sealed, so that a negative pressure may be formed in the wind tunnel 11 under the action of the blower fan.
  • the surface of the carding roller 3 carries a high-speed air flow, thus an air flow boundary layer is formed; the air flow boundary layer of the upper roller 3 is shunted at the sharp angle A of the intersecting line of two cambered surface corresponding to arcs a and d, so that coarse wool falls down, while fine wool is transferred to the peeling-and-taking line under the protection of cambered surface a.
  • the tangent line of the lower part of the cambered surface d is perpendicular to ground, which is easy for the coarse wool to fall down.
  • the air flow boundary layer of the lower carding roller 3 is shunted at the sharp angle B of the intersecting line of cambered surface c and cambered surface b, coarse wool moves along the cambered surface corresponding to arc c under the action of the air flow, and the coarse wool falls down along a tilted down direction of the tangent line of cambered surface c at the sharp angle C of the intersecting line of cambered surface c and cambered surface d.
  • the high-speed air flow of the adjacent carding rollers 3 converges in a region near the rolling-in region and forms a high pressure, thereby influencing the carding effect.
  • the wind tunnel 11 formed by the guide tube 10 is connected to a blower fan, and the negative pressure generated by the blower fan inhales the high pressure air flow in the rolling-in region via the air ports 8 on the cambered surface a and b. Because fibers has a poor bulkiness near the feeding end, and the bulkiness becomes bigger and bigger as the fiber transfers to the discharging end, and the bulkiness of the fiber becomes best near the discharging end, the content of fine wool in the falling materials becomes larger and larger from the feeding end to the discharging end.
  • the negative pressure in the wind tunnel 11 of the guide tube 10 becomes larger and larger from the feeding end to the discharging end, thereby adapting to the change of fiber bulkiness.
  • a striped needle plate 24 and a needle plate seat 25 that extend along the roller axial direction are arranged at the location near the peeling-and-taking line on two recessed arc surfaces of the guide tube orientated to the carding roller.
  • a needle plate may use a fixing coverplate employed by a traditional cotton-spinning device. By arranging such a needle plate, on one hand, the carding action may be strengthened; on the other hand, card neps (with a popular name of ballingup) may be reduced.
  • a guide tube with a needle plate may be arranged in the main carding section of the carding roller, for easy installation.
  • Fig.8 shows the arranging mode of each carding roller in an exemplary carding unit.
  • the arrangement plane of the carding roller is perpendicular to ground, and there are totally 9 carding rollers horizontally arranged in the arrangement plane from top to bottom in turn, that is, the axis of each carding roller is parallel to the ground.
  • the length of the central roller A0 that is located in the middle position is the same as the length of the adjacent two rollers B1 and C1, which length is labelled as L.
  • the length of rollers B2 and C2 that are adjacent to rollers B1 and C1 respectively is shorter than L by a predefined length, which predefined length is referred to as range of movement, labelled as ⁇ . Therefore, the length of the carding roller B2 and C2 are L - 2 ⁇ ; while the length of rollers B4, B3, C3 and C4 located on much outer side on the both sides is L - 2 A.
  • the rest carding rollers are symmetrically arranged in the length direction of the carding unit, that is, the end parts of roller with the same length are aligned with each other, and the longer rollers extend the same length relative to the two ends of the short roller, as shown in Fig.8 .
  • rollers B2 and C2 are aligned with one end of the roller A0, which end corresponds to the discharging end.
  • the rollers B2 and C2 rotates at a variable speed; and at the same time, the rollers B2 and C2 perform axial reciprocation along their respective axis, so that fibers may be transported. Therefore, the rollers B2 and C2 are also referred to as transport rollers.
  • A0, B2, C2, B4 and C4 are referred to as even-number labelled rollers, and B1, C1, B3 and C3 are referred to as odd-number labelled rollers.
  • the central roller and the rollers that are spaced from the central roller in both sides by every one roller are referred to as even-number labelled rollers, and the rest rollers are referred to as odd-number labelled rollers.
  • the central roller is labelled by 0, and the rollers from the central roller in its both sides are labelled by integers 1, 2, 3, ... respectively, wherein the oddly numbered rollers are referred to as odd-number labelled rollers, while the rest rollers are referred to as even-number labelled rollers.
  • each roller rotates, and the rotation speed varies in a predefined mode.
  • the rotation speed changing rules of all the even-number labelled rollers are the same, and the rotation speed changing rules of all the odd-number labelled rollers are the same.
  • the even-number labelled rollers turn to high-speed rotation
  • the odd-number labelled rollers turn to low-speed rotation; on the contrary, when the even-number labelled rollers turn to low-speed rotation, the odd-number labelled rollers turn to high-speed rotation.
  • the carding roller A0 rotates at a low speed
  • the deviling shaft 12 of the feeding part 2 performs a rotation with a predefined speed of ⁇ for carrying out a large-quantity feeding (it should be noted that the linear surface velocity of the deviling shaft 12 is lower than the linear surface velocity of the roller A0), so that the carding roller A0 may peel and take the fibers on the needle surface of the deviling shaft 12 in the feeding section.
  • the adj acent carding rollers B1 and C1 rotate at a high speed to peel and take and store the fibers in the feeding section of the carding roller A0 that rotates at a low speed.
  • the even-number labelled rollers rotate at a high speed
  • the odd-number labelled rollers rotate at a low speed
  • the carding rollers B2 and C2 transfer along the axial direction, so that its feeding end is made to align with the feeding end of the carding roller A0; at this point, the carding rollers B2 and C2 and the carding roller A0 jointly peel and take the fibers in the feeding section of the carding rollers B1 and C1; at the same time, the carding roller A0 further peel and take the fibers on the deviling shaft 12 (at this point, the deviling shaft 12 rotates in a lower speed than the predefined speed ⁇ and performs small-quantity feeding).
  • the amount of fibers attached to the carding roller A0 is large, and the needle gap of the carding rollers B2 and C2 is clearer than that of the carding roller A0, thus the amount of fibers on the rollers B1 and C1 that are peeled and taken by the carding rollers B2 and C2 is larger than the amount of fibers on the rollers B1 and C1 that are peeled and taken by the carding roller A0; at this point, the carding rollers A0, B2 and C2 peel and take the fibers and store them simultaneously.
  • the even-number labelled rollers turn to low-speed rotation
  • the odd-number labelled rollers turn to high-speed rotation; moreover, the carding rollers B2 and C2 transfer along the axial direction simultaneously, so that the discharging end thereof is made aligned with the discharging end of the carding roller A0.
  • the feeding ends of the carding rollers B2 and C2 are aligned with the feeding ends of the carding rollers B4, B3, C3 and C4, and are one range of movement from the feeding ends of the carding rollers B1, A0 and C1, and the carding rollers B3, B1, C1 and C3 peel and take the fibers on the carding rollers B2 and C2 and stores them, thus the fibers currently peeled and taken by the rollers B2 and C2 is transferred one range of movement along the axial direction. Then, the even-number labelled rollers peel and take the odd-number labelled roller; and at the same time, the carding rollers B2 and C2 return along the axial direction, thereby completing a movement period.
  • the transport rollers B2 and C2 rotate acceleratedly when transferring to the feeding side to generate an effect of peeling-and-taking, and storing the fibers, and the transport rollers B2 and C2 rotate deceleratedly when transferring to the discharging side to generate an effect of being peeled and taken and releasing the fibers.
  • the transport rollers B2 and C2 rotate deceleratedly when transferring to the discharging side to generate an effect of being peeled and taken and releasing the fibers.
  • the even-number labelled rollers turn to low-speed rotation and the odd-number labelled rollers turn to high-speed rotation. Because the discharging ends of the carding rollers B4, B3, C3 and C4 are shorter than the discharging ends of the carding rollers B1, A0 and C1 by one range of movement, the fibers in the discharging section of the carding rollers B2 and C2 are only peeled and taken by the carding rollers B1 and C1.
  • the carding rollers B2 and C2 is transferred to the feeding side along the axial direction, so that the feeding ends thereof are aligned with the feeding end of the carding roller A0; moreover, the even-number labelled rollers rotate at a high speed, and the odd-number labelled rollers rotate in a low speed.
  • the discharging ends of the carding rollers B2 and C2 are aligned with the discharging ends of the carding rollers B4, B3, C3 and C4 and are shorter than those of the carding rollers B1, A0 and C1 by one range of movement, the fibers in the discharging section of the carding rollers B1 and C1 are only peeled and taken by the carding roller A0, and then conveyed and discharged.
  • the transport rollers B2 and C2 is shorter than the central roller A0 by one range of movement, and the range of the axial reciprocation of the transport rollers B2 and C2 will not exceed the length of the central roller A0, so the bearing that supports the transport rollers B2 and C2 may be designed on the same plane as the bearing of other carding rollers 3.
  • the wallboard structure and the fluid constructional elements may be simplified; at the same time, it helps to simplify the design of the driving mechanism.
  • the can coiler may be arranged in a space beside the head, thereby reducing the floor space of the complete machine.
  • carding may also be realized by designing other movement modes different from the above movement mode according to the above concept.
  • the number of carding rollers in each carding unit is not limited to 9 in the above example; for example, CN1504594A discloses the situation in which two carding rollers are used, and CN2763294Y discloses the situations in which 3 carding rollers and 5 carding rollers are used.
  • Fig.1 shows the structure of the complete machine of an exemplary carding machine according to the invention.
  • the carding machine comprises: a carding part, which is constructed by a box body and two carding units contained therein; a feeding part, which is adapted to convey the wool into the carding part; a discharging part, which is adapted to transfer and discharge the dehaired wool separated by the carding part; and a driving part, which is adapted to drive the carding unit to operate according to a predetermined movement mode.
  • the construction and size of the two carding units are the same as each other, and the two carding units are arranged respectively along two parallel planes that are perpendicular to the bottom surface of the box body, that is, the arrangement planes of the two carding units are parallel planes perpendicular to the bottom surface of the box body. Moreover, the axis of each carding roller of the two carding units is parallel to the bottom surface of the box body (see Fig.2 ).
  • the two carding units are aligned with each other in the end part along the axis of the roller, so that as seen from the top view, a rectangular middle falling-material reception space is formed jointly by the two carding units and the box body.
  • a rectangular side falling-material reception space is formed by each carding unit on the side opposite to the middle falling-material reception space and the box body, respectively.
  • the length of the two side falling-material reception spaces along the axial direction of the carding roller is shorter than the length of the middle falling-material reception space, that is, length of the two side falling-material reception spaces along the axial direction of the carding roller retracts a predetermined length at both ends, thereby leaving spaces for accommodating the feeding part and the discharging part.
  • the two carding units and their respective feeding part 2 and discharging part 4 fitting therewith have a complete mirror-image symmetrical arrangement; that is, they are symmetrical along the axle wire in axial direction of the carding roller about the middle falling-material reception space 6.
  • the box body has ventages in the regions that are adjacent to the feeding parts and the discharging parts, so that the feeding parts 2 and the discharging parts 4 fit with the carding parts.
  • the box body 28 also has openings 26 for the axle heads 27 of each carding roller 3.
  • the box body further has connecting wind tunnels for the guide tubes 10 and a blower fan outside the box body.
  • a falling material silo may be arranged under the ground of the box body, for easy clearing.
  • the movement modes of two carding units are opposite to each other in the same time; that is, when the even-number labelled rollers of one carding unit rotate at a high speed and the odd-number labelled rollers rotate at a low speed, the odd-number labelled rollers of the other carding unit rotate at a high speed and the even-number labelled rollers rotate at a low speed, and vice versa.
  • a double-column double-sided design is employed; because the number of the carding rollers 3 in the carding unit is an odd number, each of the carding rollers 3 are arranged highly symmetrically. In the case of rotating at a variable speed, each carding roller 3 of the single carding unit generates a variable-speed load. Moreover, such a double-column double-sided design makes the variable-speed load of the carding rollers 3 of the two carding units corresponding to each other, thus the energy released when one part of the rollers perform high speed -low speed conversion may be transferred to that other part of the rollers that perform low speed-high speed conversion via a driving mechanism.
  • the opening 26 exserted by the axle head of the carding roller is in the form of a trumpet; the big-mouth end of the opening is located on the surface of the box body, the small-mouth end with white bar openings is located in the box body, and an annular space exists between the opening and the axle head of the corresponding carding roller.
  • a carding part is designed to be sealed in a box body 28, so that a negative pressure may be generated in the box body 28 via the guide tubes 10 by using a blower fan.
  • the flock powder and the coarse wool floating to the axle heads 27 of the carding rollers 3 may be blown off by the air flow generated by the negative pressure, and spun off under the action of the centrifugal force of the carding rollers 3.
  • wool winds on the axle heads 27, thereby a complex anti-winding apparatus, just like that of a combing machine, may be omitted, the design may be optimized, and the fabrication cost may be lowered.
  • the predefined arrangement and the predetermined operating mode of the carding unit one skilled in the art may realize the periodic operation of the carding unit by accomplishing the corresponding driving mechanism.
  • the driving mechanism comprises a head 1 and an apron belt driving system.
  • the head 1 is arranged on one side outside the box body of the carding part, while the apron belt driving system is located on the other side outside the box body.
  • the head box comprises an electric motor, a differential gear, a non-round gear system and a crank connecting link mechanism.
  • the apron belt driving system comprises apron belts 5a and 5b, for partitioning the high-speed rollers and the low-speed rollers in the two carding units, that is, when the carding rollers dragged by one apron belt rotate at a high speed, the carding rollers dragged by the other apron belt may rotate at a low speed, and vice versa.
  • Two driving main shafts 15a and 15b are extended from the head box, which pass through the box body via a sealed tubular channel from under the two carding units respectively, and connect with the apron belt driving system on the other side of the box body (referring to Figs.4, 5 and 8 ).
  • the apron belts 5a and 5b are arranged on one side of the box body, wherein one apron belt is near to the box body, and the other apron belt is arranged adjacent thereto; as shown in Fig.1 , apron belt 5b is near to the box body, and apron belt 5a is arranged adjacent thereto.
  • the apron belt 5b near the box body is driven by a main shaft 15b, while the apron belt 5b drags the even-number labelled rollers in the carding unit above the main shaft 15b and the odd-number labelled rollers in the other carding unit; the other apron belt 5a is driven by the other main shaft 15a, while the apron belt 5a drags the even-number labelled rollers in the carding unit above the main shaft 15a and the odd-number labelled rollers in the other carding unit.
  • the apron belt is wound on the belt pulleys on the axle heads of the carding rollers that are dragged; and when it passes the carding rollers that are not dragged, it winds on the guide wheels that are kinked on the axle heads of the carding rollers.
  • Two guide wheels are arranged near the main shafts, for applying a tensile force to the apron belt.
  • the transport rollers of the carding units are driven to perform axial reciprocation via a rank connecting link mechanism.
  • the differential gear and the non-round gear system are driven by the electric motor in the head 1.
  • the construction of the differential gear and the non-round gear system makes the main shafts to output a variable-speed rotation power according to a predetermined movement mode, so that the apron belts 5a and 5b may be driven via the main shafts 15a and 15b respectively to make the carding rollers rotate at a variable speed.
  • the apron belts 5a and 5b drive the adjacent two carding rollers 3 to rotate acceleratedly and deceleratedly respectively via the belt pulleys and the guide wheels on the shaft ends of the carding rollers 3, thus a toward-needle-direction peeling-and-taking action is generated, thereby realizing the carding function.
  • the driving mechanism illustrated above is only an exemplary realization mode.
  • the driving mechanism may be realized by using a stepping motor, a fluid-pressure apparatus and even in conjunction with a programmable digitally controlled apparatus.
  • the feeding part and the discharging part will be illustrated below.
  • a feeding part 2 employs the existing feeding apparatus, which is consisted of scroll shafts 16, a wool-feeding plate 14, a wool-feeding roller 13 and a deviling shaft 12, wherein the deviling shaft 12 is adjacent to the feeding section of the carding roller A0.
  • a pre-carded and reeled lap is placed on two scroll shafts 16 and carded via the deviling shaft 12 as gripped by the wool-feeding plate 14 and the wool-feeding roller 13 wound with a metal toothed rack.
  • the deviling shaft 12 and the carding roller A0 perform toward-needle-direction peeling-and-taking action.
  • the maximum linear surface velocity of the deviling shaft 12 is smaller than the minimum linear surface velocity of the carding roller A0, so that the wool fibers on the needle surface of the deviling shaft 12 are peeled and taken by the carding roller A0, thus feeding is accomplished.
  • a discharging part 4 is consisted of a can coiler 23, large pressing rollers 22, a buncher 21, a small pressing roller 20, a dust cage 19, a fairing 17 and a high-speed wipe roller 18.
  • a fairing is connected from the dust cage to the high-speed wipe roller.
  • the high-speed wipe roller is adjacent to the discharging section of the carding roller A0 and performs toward-needle-direction peeling-and-taking action.
  • the working principle of the discharging part 4 is as follows: when the fibers is transferred to the discharging section and peeled and taken by the central roller A0, a large centrifugal force is acted when the high-speed wipe roller 18 peels and takes the fiber in the discharging section of the central roller A0, the fibers is spun off under the action of the centrifugal force, and the fibers is attached to the surface of the dust cage under the action of the air flow that is inhaled into the dust cage 19, detached from the dust cage under the action of the gravity and the tensile force of the large pressing roller 22, and enters the can coiler 23 via the buncher 21 and the large pressing roller 22 and is shaped therein.
  • two columns of carding rollers and the corresponding guide tubes, feeding parts and discharging parts are in completely mirror-image symmetrical arrangement.
  • This can not only double the carding efficiency and yield, but also make the rotation inertia on both ends of the driving speed change of the complete machine because of the symmetrical arrangement of the carding unit, thereby guaranteeing the correspondence of the variable-speed load of the carding rollers; the conversion of variable-speed energy may be realized via a driving system, power consumption may be reduced evidently, and a better operation effect may be obtained.
  • a guide tube consisted of cambered surfaces is designed in the rolling-in region between each pair of adjacent carding rollers, and a large amount of air ports are distributed on the guide tube so that a negative pressure progressive formation may be generated in the wind tunnel of the guide tube; the guide tube that may suck in the air can avoid the defect that the quality of product is influenced by the flying around, being spun off and returning of coarse wool. Moreover, the content of fine wool in the falling materials may be reduced evidently, the single extraction rate may be improved greatly, the efficiency of the carding machine may be increased significantly, and the use of recoverer may be reduced. Because a recoverer generally has a heavy damage on the fiber, the overall damage may be lowered by reducing the use of recoverer.
  • the coarse wool throw-off effect of the carding roller is related to the rotation speed of the carding roller; the higher the rotation speed is, the larger the centrifugal force will be, and the better the coarse wool throw-off effect will be.
  • the rotation speed of the carding roller is high, the content of fine wool in the falling materials will be increased, the single extraction rate will be lowered, and the efficiency of the carding machine will be decreased.
  • the guide tube of the invention which has a negative pressure gradation effect and may suck in the air
  • the content of fine wool in the falling materials may be reduced evidently, thus when the rotation speed of the carding roller is high, the content of fine wool in the falling materials will not be raised significantly, but the coarse wool throw-off capacity of the carding machine will be improved evidently, the yield and efficiency will be increased, and high-quality dehaired wool will be obtained.
  • the two columns of carding rollers and the guide tubes fitted wherewith are completely located in the sealed box body, and an annular space is left between the opening at the axle head of each carding roller and the axle head of the carding roller; and under the action of the negative pressure generated by a blower fan, the coarse wool and flock powder in the sealed box body will not fly out of the box body, not to speak of the tangling of wool on the axle head of the carding roller, thereby the complex anti-winding apparatus may be omitted, the structure may be simplified, and the fabrication cost of the device may be lowered. Furthermore, for example, for the double-column double-sided symmetrical design of 18 carding rollers, the length of 12 carding rollers thereof may be reduced, thus the fabrication cost of the complete machine may be lowered.
  • peeling, taking and discharging are realized by employing carding rollers and high-speed wipe rollers, thus the damage to the fiber length may be lowered evidently, and the wool fiber extraction rate may be improved.
  • the overall structure of the carding machine from the feeding to the discharging of wool, is realized, and the technical problems of the existing carding machine may be solved that a heavy damage is laid on the wool length and the wool fiber extraction rate is low, the length and spinnability of dehaired wool may be improved significantly, and the extraction rate and quality of dehaired wool may be increased. Therefore, the economic benefit may be improved, and the carding cost may be lowered considerably.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP10764036.9A 2009-04-13 2010-01-26 Dispositif de carde Active EP2420601B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2009100219713A CN101857987B (zh) 2009-04-13 2009-04-13 一种分梳机
PCT/CN2010/000117 WO2010118623A1 (fr) 2009-04-13 2010-01-26 Dispositif peigneur

Publications (3)

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EP2420601A1 true EP2420601A1 (fr) 2012-02-22
EP2420601A4 EP2420601A4 (fr) 2012-09-05
EP2420601B1 EP2420601B1 (fr) 2013-10-16

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CN (1) CN101857987B (fr)
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CN112609282A (zh) * 2020-12-25 2021-04-06 卢涛 一种毛笔制作前羊毛梳理装置

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CN102691140B (zh) * 2011-03-22 2015-09-16 黄金山 一种使用双向变速辊的分梳机
CN104357963A (zh) * 2014-11-11 2015-02-18 郑州宏大新型纺机有限责任公司 一种用于双轴流开棉机的导流槽装置
CN105842106A (zh) * 2015-01-16 2016-08-10 盐城纺织职业技术学院 一种快速测试羽绒含量的方法及装置
CN108070924A (zh) * 2017-12-28 2018-05-25 江苏普美纺织有限公司 一种尘笼式转杯纺纱器
CN109729851A (zh) * 2019-01-30 2019-05-10 安徽淮昇机械制造有限公司 一种秸秆粉碎还田装置
CN113818109A (zh) * 2021-10-19 2021-12-21 内蒙古鄂尔多斯资源股份有限公司 一种无毛绒及其去杂方法和无毛绒制品
CN113882050B (zh) * 2021-10-28 2022-10-18 浙江龙源纺织股份有限公司 纯棉优质精梳纱的生产方法

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CN104294417A (zh) * 2014-09-15 2015-01-21 湖北天运消音防振新材料有限公司 一种用于生产中空涤纶纤维棉的梳理机
CN112609282A (zh) * 2020-12-25 2021-04-06 卢涛 一种毛笔制作前羊毛梳理装置

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EP2420601B1 (fr) 2013-10-16
WO2010118623A1 (fr) 2010-10-21
EP2420601A4 (fr) 2012-09-05
CN101857987A (zh) 2010-10-13
CN101857987B (zh) 2011-06-15

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