CN115637512A - Cylinder adopting non-fixed type comb pins and straight cotton combing machine applying same - Google Patents

Abstract

The utility model provides an adopt cylinder of non-stationary formula card needle, is including combing module, axis of rotation and balancing weight, comb module and balancing weight are fixed respectively in the both sides of axis of rotation axle axis symmetry, hug closely the arc surface setting of axis of rotation, it includes the base to comb the module, the arc surface connection of the axis of rotation of laminating of one side of base, be provided with a plurality of comb needle holes on the base, comb needle hole runs through the base, and the axis of perpendicular to axis of rotation is arranged, swing joint has a card needle unit in the comb needle hole, the card needle unit includes card needle head and card needle seat, card needle seat swing joint is in card needle hole, the card needle head sets up and stretches out from the one end that the axis of rotation was kept away from in the card needle hole in card needle seat upper end, can be when some card needle head wearing and tearing damage, targeted change this card needle unit, be elastic connection between the inner wall in card needle seat and the cylinder rotation opposite side and the card needle hole, make the card needle head when touching hard impurity of texture or kinking grain, the impact force that the buffering card needle head received.

Description

Cylinder adopting non-fixed type comb pins and straight cotton combing machine applying same

Technical Field

The invention relates to the technical field of textile machinery, in particular to a cylinder adopting a non-fixed type card wire and a straight cotton combing machine applying the cylinder.

Background

The combing machine is a machine used in spinning process, and is mainly used for removing short fibers, further removing impurity kinks in the fibers, straightening and paralleling the fibers and forming combed strips with uniform thickness.

In view of carding efficiency and carding efficiency, most cotton mills have chosen to use straight cotton combing machines to perform the combing step, and the cylinder is the main combing member of the combing mechanism, which has the task of combing the front end of the tuft of fibres, straightening the fibres parallel, removing the short fibres, impurities and defects. Therefore, the quality of the combed cotton sliver and the resultant yarn produced by the straight cotton comber is closely related to the working state of the cylinder of the straight cotton comber.

At present the carding structure of traditional straight type cotton comber can refer to fig. 1, has arranged a plurality of cylinder card needles on the cylinder surface, and when these cylinder card needles rotated the lower face of keeping silent, upper and lower nipper closure this moment, these cylinder card needles can insert fibre must be clumped and cut apart the carding to it, and the card needle of traditional straight type cotton comber cylinder generally all is fixed setting, and a plurality of card needles snap-on are on the base, and this kind of structure mainly exists the defect in two aspects:

1. when the card wire is inserted into a fiber tuft to cut and comb the fiber tuft, hard impurities or kinked particles are sometimes encountered, the card wire is fragile in structure, and after the card wire directly collides with the hard impurities or kinked particles for multiple times, the card wire is easy to wear and deform, and the carding effect of the card wire is influenced;

2. thousands of carding needles are often distributed on a cylinder base, but the carding effect is reduced due to the abrasion and damage of a plurality of or dozens of carding needles, the cylinder base can only be replaced to ensure the quality of combed cotton slivers and finished yarns, the cylinder belongs to precision machinery, the base is very difficult to manufacture, the price is very high, and the base is frequently replaced to cause great cost expense.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides a cylinder adopting a non-fixed type card wire and a straight cotton combing machine applying the cylinder.

The technical scheme of the invention is as follows:

the utility model provides an adopt cylinder of non-fixed comb needle, is including combing module, axis of rotation and balancing weight, comb module and balancing weight are fixed respectively in the both sides of axis of rotation axle axis symmetry, hug closely the arc surface setting of axis of rotation, the axis of rotation can drive and comb module and balancing weight and rotate, comb module includes the base, the arc surface connection of one side laminating axis of rotation of base, be provided with a plurality of comb needle holes on the base, comb needle hole runs through the base, and the axis of perpendicular to axis of rotation is arranged, swing joint has comb needle unit in the comb needle hole, comb needle unit includes comb needle head and comb needle seat, comb needle seat swing joint is in comb needle hole, comb needle head sets up and stretches out in comb needle seat upper end and the one end of keeping away from the axis of rotation from the comb needle hole, can insert in the fibre palpus cluster and cut apart the carding, comb needle unit sets up the mode in corresponding comb needle hole, can make when certain comb needle head wearing and tearing damage, pointed change this comb needle unit, need not to change whole cylinder base, comb needle seat rotates the one side opposite direction and is elastic connection for the inner wall in comb needle hole, makes the comb impurity buffering grain when touching the dirt or the comb needle receives the impact force.

According to the cylinder adopting the non-fixed type card wire, the thickness of the card wire head is 0.1-0.2 mm, and the top end of the card wire head is bent towards the rotation direction of the cylinder, so that the card wire head can hook shorter fibers, impurities or kinked particles in fiber whiskers.

Preferably, the width of the comb needle hole at the position where the comb needle head extends is matched with the comb needle head to reduce the comb needle hole, so that fibers, impurities or kinks hooked by the comb needle head are prevented from entering the comb needle hole.

The cylinder adopting the non-fixed comb pins is characterized in that a rotating column is fixed below the comb pin seat, the axis of the rotating column is perpendicular to the comb pin seat, the rotating column is rotatably connected inside the comb pin hole, the width of the rotating column is larger than that of the comb pin seat, one side of the comb pin seat opposite to the cylinder rotating direction is fixedly connected with an elastic supporting rod obliquely arranged, one side of the elastic supporting rod far away from the comb pin seat is in contact connection with the inner wall of the comb pin hole, when the comb pin head at the top end of the comb pin seat touches hard impurities, the comb pin seat connected with the comb pin head can rotate towards the opposite direction of the cylinder rotating direction by taking the axis of the rotating column as the center of a circle, so that the comb pin head is protected, and the service life of the cylinder is effectively prolonged.

Preferably, the rotation angle of the card wire unit in the card wire hole is 8-15 degrees.

Further, comb pin hole from the top down includes comb seat portion and pivot portion in proper order, comb seat portion bottom size and comb needle seat bottom size cooperation, and outside opening size is greater than comb needle seat external dimension, pivot portion and the cooperation of rotation cylindricality form size ensure comb needle unit is after installing in the comb pin hole, the elastic support rod of comb needle unit can always contact with the inner wall in comb needle hole, just comb needle unit can use the axis of rotating the post to rotate as the centre of a circle in comb needle hole.

Furthermore, the base is provided with limit baffle towards the inboard of axis of rotation, as preferred, be bolted connection between limit baffle and the base, limit baffle is provided with a plurality of bellied spacing seats towards one side of base, the quantity of spacing seat is corresponding with the quantity in broach hole, spacing seat can insert in the broach hole, withstands the broach unit, prevents that the broach unit from deviating from the lower extreme in broach hole.

Furthermore, a rotating groove is formed in the position, where the top end of the limiting seat is in contact with the rotating column, of the rotating groove, the shape of the rotating groove is matched with the shape of the surface of the rotating column, the top end of the limiting seat can be in full contact with the surface of the rotating column, and the comb needle unit is prevented from generating other displacements in the comb needle hole except for rotation.

A straight cotton combing machine comprises a cylinder as described above using non-stationary comb pins.

The invention has the beneficial effects that:

1. the invention relates to a cylinder adopting non-fixed carding wires and a straight cotton combing machine applying the cylinder, wherein the carding wire heads of the carding wire units are movably and elastically designed, and can buffer under the elastic action of elastic supporting rods when touching hard impurities or twisted particles in fibrous hair clusters, so that the abrasion caused by hard touch between the carding wire heads and the impurities or the twisted particles is avoided, and the service life of the carding wire heads is shortened;

2. the invention relates to a cylinder adopting non-fixed carding wires and a straight cotton combing machine applying the cylinder, wherein the carding wire units are movably connected in the corresponding carding wire holes of a base, and when the combing effect is reduced due to impurities or kinked grains on one or more certain carding wire heads, the carding wire units can be taken out from the carding wire holes to replace new carding wire units, so that the whole combing module is prevented from being replaced, and the cost waste caused by replacing the whole combing module is effectively avoided.

Drawings

The aspects and advantages of the present application will become apparent to those skilled in the art from a reading of the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.

In the drawings:

FIG. 1 is a schematic view of the carding structure of a conventional straight cotton combing machine of this embodiment 1;

FIG. 2 is a schematic view showing the structure of a cylinder using an unfixed card wire in this embodiment 1;

FIG. 3 is a side view of the cylinder in this example 1;

FIG. 4 is a schematic view showing the internal structure of a comb hole in the present embodiment 1;

FIG. 5 is a schematic view showing the state of the card wire unit when the foreign object is not touched in the embodiment 1;

FIG. 6 is a schematic view showing the state of the card wire unit when the foreign object is touched in the embodiment 1;

FIG. 7 is a schematic structural view of the card wire unit in this embodiment 1;

FIG. 8 is a schematic view of the structure of the embodiment 1 in which the card wire unit is engaged with the position limiting seat;

the components represented by the reference numerals in the figures are:

1. a carding module; 11. a base; 111. a comb pin hole; 112. a comb seat portion; 113. a column part; 12. a limiting baffle; 121. a limiting seat; 122. a rotating groove; 13. a card wire unit; 131. combing the needle head; 132. a comb needle seat; 133. rotating the column; 134. an elastic strut; 2. a rotating shaft; 3. and a balancing weight.

Detailed Description

The invention will now be further described with reference to specific embodiments and further examples, which are given by way of illustration only and are not intended to limit the scope of the invention.

The specific implementation mode is as follows:

example 1

Referring to fig. 2-8, a cylinder using non-fixed comb pins comprises a carding module 1, a rotating shaft 2 and a counterweight 3, wherein the carding module 1 and the counterweight 3 are respectively fixed at two sides of the axis of the rotating shaft 2 symmetrically and are arranged closely to the arc surface of the rotating shaft 2, the rotating shaft 2 can drive the carding module 1 and the counterweight 3 to rotate, the counterweight 3 is used for balancing the weight of the carding module 1, so as to avoid the problem that the weight of the cylinder is unevenly distributed due to the arrangement of the carding module 1, so that the cylinder is vibrated during rotation to affect the service life of the cylinder and the quality of produced combed strips, the carding module 1 comprises a base 11, one side of the base 11 is connected with the arc surface of the rotating shaft 2, a plurality of comb pin holes 111 are arranged on the base 11, the comb pin holes 111 penetrate through the base 11 and are arranged perpendicular to the axis of the rotating shaft 2, the comb needle unit 13 is movably connected in the comb needle hole 111, the comb needle unit 13 comprises a comb needle head 131 and a comb needle seat 132, the comb needle seat 132 is movably connected in the comb needle hole 111, the comb needle head 131 is arranged at the upper end of the comb needle seat 132 and extends out from one end of the comb needle hole 111 far away from the rotating shaft 2, the comb needle unit 132 can be inserted into fiber whiskers to be cut and carded, the comb needle unit 13 is arranged in the corresponding comb needle hole 111, when some comb needle heads 131 are worn and damaged, the comb needle unit 13 can be replaced in a targeted manner, the whole cylinder base 11 is not required to be replaced, the cost waste caused by replacing the base 11 is avoided, the comb needle seat 132 is elastically connected with the inner wall of the comb needle hole 111 at one side opposite to the rotating direction of the cylinder, so that the comb needle heads 131 can move in the opposite direction of the rotating of the cylinder when being contacted with hard impurities or particles, and the elastic connection between the comb needle seat 132 and the inner wall of the comb needle hole 111 is utilized to gradually apply force, so that the contact between the carding head and impurities or twisted particles is changed into soft contact, the abrasion of the carding head can be effectively reduced, and the service life of the carding head is prolonged.

Referring to fig. 7, a rotating column 133 is fixed below the comb needle base 132, the rotating column 133 is rotatably connected inside the comb needle hole 111, the axis of the rotating column 133 is perpendicular to the comb needle base 132, the width of the rotating column 133 is greater than that of the comb needle base 132, an obliquely arranged elastic strut 134 is fixedly connected to one side of the comb needle base 132 opposite to the cylinder rotation direction, one side of the elastic strut 134 away from the comb needle base 132 is in contact connection with the inner wall of the comb needle hole 111, when the comb needle 131 at the top end of the comb needle base 132 contacts hard impurities, the comb needle base 132 connected with the comb needle 131 can rotate towards the opposite direction of the cylinder rotation direction with the axis of the rotating column 133 as the center, then the acting force between the comb needle 131 and the impurities is gradually increased under the effect of gradually compressed elastic strut 134, finally, the comb needle 131 peels off the impurities from the fiber whiskers under the effect of the cylinder rotation, during this period, the impurities are in soft contact with the comb needle 131, the acting force exerted on the comb needle 131 is increased, and the comb needle 131 can protect the comb needle 131 from damage in a sudden and thus the effective life of the comb needle 131 can be prolonged.

Referring to fig. 5 and 6, the rotational angle of the card wire unit 13 in the card wire hole 111 is 8-15 degrees, which cannot be too small, so that the card wire unit 13 does not have enough space to rotate in the card wire hole 111, the force applied to the card wire 131 cannot be sufficiently buffered by the elastic supporting rod 134, and the angle cannot be too large, which causes the card wire 131 to rotate excessively after contacting with impurities, and cannot be inserted into the fiber clusters to a sufficient depth, thereby affecting the carding effect.

Referring to fig. 4, the comb hole 111 includes a comb seat portion 112 and a rotary column portion 113 in sequence from top to bottom, the comb seat portion 112 has a width matching with a width of the comb seat 132, and has a fan shape, the size of the fan shape is larger than that of the comb seat 132 and smaller than that of the comb seat 132 plus the elastic support 134, so that after the comb unit 13 is mounted in the comb hole 111, the elastic support 134 of the comb unit 13 can always contact with an inner wall of the comb hole 111, so that the comb unit 13 can be kept fixed in the comb hole 111 and the comb head 131 can be kept fixed without the comb head 131 touching foreign objects, the combing effect of the comb head 131 is ensured, the size of the bottom of the comb seat portion 112 matches with that of the comb seat 132, the size of an external opening is larger than that of the comb seat portion 132, the rotary column portion 113 matches with that of the rotary column portion 133, the rotary column portion 113 matches with that of the rotary column 133 at a position where the rotary column portion 133 contacts with the rotary column 133, the rotary column portion 113 can be placed in the comb hole 133, and the comb seat portion 112 can not enter the comb hole 111.

Referring to fig. 3 and 5 to 8, the inner side of the base 11 facing the rotating shaft 2 is provided with a limiting baffle 12, preferably, the limiting baffle 12 is connected with the base 11 by bolts, one side of the limiting baffle 12 facing the base 11 is provided with a plurality of convex limiting seats 121, the number of the limiting seats 121 corresponds to the number of the comb needle holes 111, the limiting seats 121 can be inserted into the comb needle holes 111 to prop against the comb needle units 13, so as to prevent the comb needle units 13 from coming out of the lower ends of the comb needle holes 111, when the cylinder is assembled, the comb needle units 13 are firstly put into the corresponding comb needle holes 111 one by one, then the limiting baffle 12 is covered, and the bolts are screwed, so that the comb needle units 13 are prevented from coming out of the comb needle holes 111 when the base 11 is assembled on the rotating shaft 2, and the installation is convenient.

Further, the top of spacing seat 121 and the contact position who rotates post 133 are provided with and rotate groove 122, the shape that rotates groove 122 cooperatees with rotation post 133 surface shape, make spacing seat 121's top can fully contact with the surface that rotates post 133, cooperatees with the post portion 113 of rotating of broach hole 111, fully supports and is spacing rotating post 133, makes and rotates post 133 and only can rotate, prevents that broach unit 13 from producing other displacements except that rotating in broach hole 111, is the broach unit 13 can remain stable when the cylinder rotates to guarantee the carding effect of broach unit 13.

Preferably, the limiting seat 121 and the rotating column 133 are both made of pure copper, the pure copper has certain self-lubricating property, and the limiting seat 121 and the rotating column 133 made of pure copper can enable the limiting seat 121 to fully limit the rotating column 133, and simultaneously reduce the friction force between the rotating column 133 and the rotating groove 122, so that the limitation of the limiting seat 121 on the rotating column 133 does not affect the rotation of the card wire unit 13 in the card wire hole 111.

Referring to fig. 7, the thickness of the combing needle 131 is 0.1-0.2 mm, and the top end thereof is bent toward the rotation direction of the cylinder, so that the combing needle 131 can catch the shorter fibers, impurities or kinks in the fiber whisker bunch and then catch them out of the fiber whisker bunch, thereby combing and removing impurities from the fiber whisker bunch.

Further, the width of the comb hole 111 at the position where the comb head 131 extends is matched with the comb head 131, so that the comb hole 111 is reduced, and the fibers, impurities or kinks hooked by the comb head 131 are prevented from entering the comb hole 111, thereby preventing the motion of the comb unit 13 in the comb hole 111 from being influenced.

Claims (9)

1. The utility model provides an adopt cylinder of non-stationary comb needle, its characterized in that, is including combing module (1), axis of rotation (2) and balancing weight (3), comb module (1) and balancing weight (3) are fixed respectively in the both sides of axis of rotation (2) axle center symmetry, hug closely the arc surface setting of axis of rotation (2), comb module (1) includes base (11), the arc surface connection of one side laminating axis of rotation (2) of base (11), be provided with a plurality of comb pin holes (111) on base (11), comb pin hole (111) run through base (11), the axis of perpendicular to axis of rotation (2) is arranged, swing joint has comb needle unit (13) in comb pin hole (111), comb needle unit (13) includes comb needle head (131) and comb pin seat (132), comb pin seat (132) swing joint is in comb pin hole (111), comb needle head (131) sets up in comb pin seat (132) upper end and stretches out from the one end that axis of rotation (2) was kept away from comb pin hole (111), comb pin seat (132) and the elastic connection is between comb pin hole (111) with one side that the cylinder rotates the direction is opposite.

2. A cylinder with non-fixed comb pins according to claim 1, wherein the thickness of the comb pins (131) is 0.1-0.2 mm, and the tips of the comb pins are bent toward the rotation direction of the cylinder.

3. A cylinder using a non-fixed type card wire as claimed in claim 1, wherein a rotating column (133) is fixed below the card wire seat (132), the rotating column (133) is rotatably connected inside the card wire hole (111), and the width of the rotating column (133) is larger than that of the card wire seat (132).

4. A cylinder using non-fixed type card wires as claimed in claim 3, wherein an obliquely arranged elastic supporting rod (134) is fixedly connected to the side of the card wire base (132) opposite to the rotation direction of the cylinder, and the side of the elastic supporting rod (134) far away from the card wire base (132) is connected with the inner wall of the card wire hole (111) in a contact manner.

5. A cylinder with non-stationary card wires according to claim 4, characterized in that the rotational angle of the card wire units (13) in the card wire holes (111) is 8-15 degrees.

6. A cylinder using an unfixed type card wire as set forth in claim 4, wherein the comb hole (111) comprises a comb seat portion (112) and a rotary post portion (113) in order from top to bottom, the comb seat portion (112) has a bottom size matching with the bottom size of the comb seat (132), the outer opening size is larger than the outer size of the comb seat (132), and the rotary post portion (113) matches with the rotary post (133) in shape and size.

7. A cylinder using non-fixed comb pins according to claim 4, characterized in that the inner side of the base (11) facing the rotation shaft (2) is provided with a limit baffle (12), one side of the limit baffle (12) facing the base (11) is provided with a plurality of convex limit seats (121), and the number of the limit seats (121) corresponds to the number of the comb pin holes (111).

8. A cylinder using non-fixed type card wire as claimed in claim 7, characterized in that the top of the limiting seat (121) is provided with a rotating groove (122) at the position contacting with the rotating post (133), and the shape of the rotating groove (122) is matched with the surface shape of the rotating post (133).

9. A straight cotton combing machine comprising a cylinder according to any one of claims 1 to 8 using non-stationary needles.

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