WO2015131318A1

WO2015131318A1 - Forward and reverse rotating air-jetting dust removal device of knitting machine

Info

Publication number: WO2015131318A1
Application number: PCT/CN2014/072809
Authority: WO
Inventors: 陆德泉
Original assignee: 盐城万达利针织机械有限公司
Priority date: 2014-03-03
Filing date: 2014-03-03
Publication date: 2015-09-11

Abstract

A forward and reverse rotating air-jetting dust removal device of a knitting machine; the device is provided with a rotating mechanism (10) and a control mechanism (20) connected to the rotating mechanism (10); the rotating mechanism (10) is disposed in the center of a knitting machine platform, and is connected to a first air-jetting dust removal device (31) and a second air-jetting dust removal device (32); the rotating mechanism (10) is a forward and reverse rotating mechanism, and under the control of the control mechanism (20) alternately rotates forward or in reverse at a preset time, angle or number of turns, and drives the air-jetting dust removal device (30) to synchronously rotate and remove the dust from the machine platform (100). The dust removal device alternately rotates forward or in reverse, such that the yarn and dust adhering to the machine platform are completely cleaned off under the bi-directional air-jetting alternating action; in addition, the dust removal device has a compact structure with a small footprint.

Description

Knitting machine jet dust removing device capable of rotating in the forward and reverse directions

[Technical Field]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dust removing device for a circular knitting machine for textiles, and more particularly to a dust removing device for a knitting machine which can alternately rotate in a forward or reverse direction, thereby efficiently removing the dust of the knitting machine.

【Background technique】

Various types of knitting machines are used in the textile industry, which generate a large amount of yarns during the weaving process, and the yarns attached to the surface of the textile raw materials are also scattered during the weaving process, and the continuously generated yarns are not cleaned up in time. , will accumulate in the needle groove, yarn feeder, yarn feeder and other parts of the machine and affect the normal operation of the machine, and increase the number of processing fabrics, and also pollute the knitting machine and the surrounding environment, and The health of workers has an impact. For the dust removal of the machine surface and the surface of the textile raw material, the existing knitting machine generally adopts multiple fan dust removal methods, that is, multiple fans are installed at different positions on a rotating annular frame, when the ring frame rotates, The fan only rotates two-dimensionally within a specific circumference. The drawbacks of this two-dimensional rotating dust removal method are obvious. Since the dust removal fan of this type of device is as many as 6 to 8 sets, it not only takes up a lot of space above the machine table, but also appears chaotic, and generates a lot of noise during operation. And consumes more power. And because it is impossible to lay more fans, some dust-removing dead angles are formed, which affects the dust removal effect and product quality.

[Summary of the Invention]

The present invention is directed to solving the above problems, and provides an alternate forward or reverse rotation so that the yarn and dust attached to the machine are completely removed by the two-way jet alternately, and the structure is compact and takes up space. Small, can be used for dust removal of the entire machine to remove dust, the forward and reverse rotation of the knitting machine jet dust removal device. In order to achieve the above object, the present invention provides a knitting machine jet dust removing device capable of rotating in forward and reverse directions, the device being provided with a rotating mechanism and a control mechanism connected thereto, the rotating mechanism being disposed at the center of the knitting machine table, the rotating mechanism A first air blower and a second air blower are connected to the top, and the rotating mechanism is a forward and reverse rotation mechanism, which alternately performs forward rotation or a set time, angle or number of revolutions under the control of the control mechanism Reverse rotation, and drive the jet dust removal device to rotate synchronously, and perform rotary dust removal on the machine.

The rotating mechanism comprises a motor, a motor bracket, a column, a sleeve, a first gear set, a second gear set and a rotating body, wherein the motor is a forward and reverse motor fixed to the motor bracket, and the sleeve is fixed to the machine a first air inlet and a second air inlet are arranged on the upper end of the sleeve, the motor bracket is fixed on the sleeve, and the first gear set is disposed at the upper end of the rotating body, and the motor The first gear set is connected to the lower end of the rotating body, and is connected to the second jet dust removing device. The rotating body is disposed between the first gear set and the second gear set.

The first gear set includes a first driven gear with which the first driving gear is meshed, the first driving gear is a pinion gear mounted on a motor shaft of the motor, and the first driven gear is a large gear, which is fixed at a top portion of the rotating body; the second gear set includes two second driving gears, a fixed gear that meshes with the two second driving gears, and a first connecting seat and a second connecting seat fixed to the outside of the rotating body. The second driving gear is a pinion gear, which are respectively installed at the bottom of the first connecting seat and the second connecting seat; the fixed gear is a large gear, which is placed at a lower part of the rotating body and fixed to the vertical column.

The rotating body comprises a cylinder body, an upper bearing and a lower bearing, and a convex annular boss is formed in a middle portion of the inner wall of the cylinder body, and the first air outlet and the second air outlet are arranged on the cylinder body, and the cylinder body is mounted on the upper and lower sides of the boss The upper and lower bearings on both sides form a rotatably connected connection with the sleeve.

The first air dust removing device comprises a first gas passage, a first air outlet and a first air duct, wherein the first gas passage is formed by a first annular air chamber recessed inwardly from the inner wall of the rotating body of the rotating body and by the shaft a first air inlet extending downwardly from the upper portion and communicating with the first annular air chamber, the cylinder is provided with a second air hole communicating with the first air outlet and the first annular air chamber, A first jet pipe extending to a dust removing portion of the machine is connected to the first air outlet. The second jet dedusting device includes a second gas passage, a second air outlet, and a second air passage, wherein the second gas passage is recessed inwardly from the inner wall of the rotating body, and the position is lower or higher than the first a second annular air chamber formed by an annular air chamber is formed by a third air hole extending downward from the second air inlet of the upper portion of the sleeve and communicating with the second annular air chamber, and the second body is provided on the cylinder body A fourth air hole communicating with the second annular air chamber is connected to the second air outlet, and a second air injection pipe extending to the dust removing portion of the machine is connected to the second air outlet.

a first sealing ring and a second sealing ring are respectively mounted on the upper and lower sides of the first annular air chamber and the upper side of the second annular air chamber, and a third sealing ring is mounted on the lower side of the second annular air chamber, The joint between the annular air chamber and the air hole is sealed.

The control mechanism is a microprocessor, which is connected to the motor of the rotating mechanism, and controls the motor to alternately rotate forward or reverse according to the set time, angle or number of revolutions.

The contribution of the present invention is that it effectively solves the problems in the prior art. The rotating mechanism of the device of the present invention can alternately rotate clockwise (forward) and reverse (counterclockwise) in a set manner by the control mechanism, and simultaneously eject the dust to the dust removing portion of the machine, so as to rotate in a certain direction. The dust that has not been removed during dust removal is completely removed in the reverse rotation, which is beneficial to the cleaning of the yarn and dust of the needle groove, the yarn feeder, the yarn feeder, etc. of the machine, without leaving a dead angle, which greatly improves the dust. Dust removal efficiency, and can effectively guarantee the quality of textiles. The device is compact in structure, small in space, makes the top of the machine more tidy, and runs smoothly and without noise.

[Description of the Drawings]

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view showing the overall structure of the present invention.

Figure 2 is a perspective view showing another overall structure of the present invention.

Figure 3 is an exploded perspective view of the components of the present invention.

Figure 4 is a cross-sectional view showing the structure of a rotating mechanism of the present invention.

Fig. 5 is a view showing the state of use of the rotating mechanism of the present invention rotated to a certain position.

Figure 6 is a schematic view showing the state of use of the rotating mechanism of the present invention rotated to another position. 【detailed description】

The following examples are intended to further illustrate and illustrate the invention and are not to be construed as limiting.

Referring to Figures 1 to 3, the forward-reverse rotation of the knitting machine of the present invention includes a rotating mechanism 10, a control mechanism 20, a first jet dust removing device 31, and a second jet dust removing device 32.

As shown in FIGS. 1 to 4, the rotating mechanism 10 includes a motor 11, a motor bracket 12, a column 13, a sleeve 14, a first gear set 15, a second gear set 16, and a rotating body 17. The motor 11 is a forward and reverse motor, which is fixed on the motor bracket 12. In this embodiment, the motor bracket 12 is composed of a connecting ring 121 and a connecting plate 122. The connecting plate 122 is provided with a connecting hole 1221. . The connecting ring 121 is sleeved on the sleeve 14 at the upper portion of the rotating mechanism 30, and is fixed to the sleeve 14 by screws. The motor 11 is screwed to the connecting plate 122, and the motor shaft 111 extends through the connecting hole 1221 of the connecting plate 122 to the lower portion of the connecting plate. The column 13 is made of a stainless steel tube that is vertically fixed to the center of the machine table 100, and a boss 14 is fixed to the column 13. As shown in FIG. 4, the upper end of the sleeve 14 is provided with a convex annular rim 143 corresponding to the upper inner hole of the cylindrical body 171 of the rotating body, and two convex first air inlets are provided on the upper end surface of the sleeve. The port 141 and the second air inlet 142 are provided with a first air hole 113 extending from the first air inlet 141 of the upper portion of the sleeve to the axial direction of the first annular air chamber 1714 on the side wall of the sleeve. In this embodiment, the first air inlet 141 and the second air inlet 142 are pipe joints which are screwed to the upper end surface of the sleeve, and the protruding portion is used for socketing the air inlet hose. The first air inlet 141 and the second air inlet 142 communicate with the first gas passage 311 and the second gas passage 321 inside the sleeve. The sleeve 14 is sleeved on the column 13 and fixed by screws to the column. The first gear set 15 is composed of a first driving gear 151 and a first driven gear 152 meshing therewith, and the first driving gear 151 is a pinion gear fixed to a lower end portion of the motor shaft 111 of the motor. The first driven gear 152 is a large gear which is an annular body which is attached to the ring step at the top of the cylindrical body 171 of the rotating body and fixed to the cylindrical body 171 by screws. The second gear set 16 includes two second drive gears 161, 162, a fixed gear 163 that meshes with the two second drive gears, and a first connecting seat 164 and a second connecting seat 165, wherein the first connecting seat 164 and the second connecting seat 165 are block-shaped bodies which are symmetrically fixed outside the rotating body 17 for connecting two second driving gears 161, 162 and a first jet tube 312 and a second jet tube 322. The second driving gears 161, 162 are pinion gears which are respectively mounted at the bottoms of the first connecting seat 164 and the second connecting seat 165. The fixed gear 163 is a large gear which is placed at the lower portion of the rotating body 17 and is fixed to the sleeve 14 by welding or the like. Therefore, the fixed gear 163 itself does not rotate, but is composed of two second driving gears 161, 162. The rotation is meshed around the fixed gear 163. The rotating body 17 includes a cylindrical body 171, an upper bearing 172 and a lower bearing 173. In the middle of the inner wall of the cylindrical body 171, a convex annular boss 1711 is formed, and the upper side of the annular boss 1711 and the ring of the sleeve An upper bearing 172 is disposed between the edges 143, and a lower bearing 173 is mounted on the lower side of the annular boss 1711. The cylindrical body 171 is rotatably coupled to the sleeve 14 through the upper bearing 172 and the lower bearing 173. A first air outlet 1712 and a second air outlet 1713 are symmetrically disposed on the cylinder 171, wherein the first air outlet 1712 is in communication with the first gas passage 311, and the second air outlet 1713 and the second gas passage are 321 is connected. The rotating body 17 is driven by the motor 11 to rotate about the column 13. When the dust is removed, the first driving gear 151 and the first driven gear 152 are rotated by the motor 11, and the rotating body 17 is rotated by the first driven gear 152, and the rotating body 17 drives the second driving gears 161 and 162 around the fixed gear. 163 rotates, and the second driving gears 161, 162 drive the first jet dust removing device 31 and the second jet dust removing device 32 to rotate,

earth.

As shown in FIGS. 1 to 4, a first jet dust removing device 31 and a second jet dust removing device 32 are connected to the rotating mechanism 10. The first air dust removing device 31 includes a first gas passage 311, a first air outlet 1712 and a first air nozzle 312. The second air dust removing device 32 includes a second gas passage 321, a second air outlet 1713 and a second air nozzle. 322. The first gas passage 311 and the second gas passage 321 in the first jet dedusting device and the second jet dedusting device are for conveying compressed air from a gas source (not shown) to the first jet pipe 312 and the first Two jet tubes 322. In order to prevent the hose 50 connecting the air source from being entangled with the rotation of the rotating mechanism 10, the hose must be attached to the non-rotating member. To this end, the first gas passage 311 includes a first portion disposed on the cylinder 171 of the rotating body. An annular air chamber 1714 and a first air hole 113 provided on the stationary sleeve 14, wherein the first annular air chamber 1714 is recessed radially inward on the inner wall of the cylinder 171 to form an annular gas surrounding the entire circumference. Cavity. The first air hole 113 is formed by extending downward from the first air inlet 141 of the upper portion of the sleeve 14 and contacting the first annular air chamber 1714. The cylinder 171 is provided with a second air hole 1715 communicating with the first air outlet 1712 and the first annular air chamber 1714. The first annular air chamber 1714 passes through the second air hole 1715 and the first air outlet 1712 on the cylinder 171. In communication, the second air hole 1715 can be disposed at any position on the annular air chamber 1714.

The second gas passage 321 includes a second annular air chamber 1716 disposed on the barrel 171 of the rotating body and a third air hole 144 disposed on the stationary sleeve 14. The second annular air chamber 1716 is formed by the cylinder. The inner wall of the 171 is recessed inwardly to form an annular air chamber around the entire circumference, but the second annular air chamber 1716 must be positioned lower or higher than the first annular air chamber 1714 such that the positions of the two are offset from each other. The third air hole 144 is formed by a second air inlet 142 at the upper portion of the sleeve 14 and is connected to the second annular air chamber 1716. The cylinder 171 is provided with a fourth air hole 1718 communicating with the second air outlet 1713 and the second annular air chamber 1716. The second annular air chamber 1716 communicates with the second air outlet 1713 on the cylinder 171 through the fourth air hole 1718. In FIG. 4, a first sealing ring 41 and a second sealing ring 42 are respectively mounted on the upper and lower sides of the first annular air chamber 1714 and the upper side of the second annular air chamber 1716, and are disposed under the second annular air chamber 1716. A third sealing ring 43 is mounted on the side to prevent gas from leaking from the joint portion of the annular air chamber and the air hole.

As shown in FIG. 5 and FIG. 6, a first air injection pipe 312 extending to a dust removing portion inside the edge of the machine is connected to the first air outlet 1712, and a dust removing portion extending to the outer side of the edge of the machine is connected to the second air outlet 1713. The second ejector 322, one end of the first lance 312 and the second lance 322 are respectively fixed to the first connecting seat 164 and the second connecting seat 165, and the other end extends to the edge of the machine. A first joint 3121, 3221, a first jet pipe 312 and a second jet pipe, which are respectively penetrated from the inside of the two gas injection pipes and protrude outside the pipe, are respectively disposed at the connection ends of the first gas injection pipe 312 and the second gas injection pipe 322. The 322 is connected by the first hose 313 and the second hose 323 to the first air outlet 1712 and the second air outlet 1713 on the cylinder 171 of the rotating body, respectively, from the air source (not shown). The compressed air is delivered to the first and second gas tubes 312 and 322 via the first gas passage 311 and the second gas passage 321, and passes through the first gas injection tube 312 and while the rotating mechanism 10 performs forward or reverse rotation. The second jet tube 322 ejects gas to remove the gauze and dust from the machine.

The manner of rotation of the rotating mechanism 10 is controlled by the control mechanism 20, which is a microprocessor having a built-in control program for rotating the motor 11, including the time, angle or rotation of the forward or reverse rotation. Set or modify the number of turns. The control mechanism 20 is connected to the motor 11 of the rotating mechanism, and controls the motor to alternately rotate forward or reverse according to the set time, angle or number of revolutions. For example, the motor 11 rotates two or 720 degrees clockwise. Rotate two turns or 720 degrees counterclockwise, and alternate so that the yarn and dust on the machine can be removed.

The working principle of the air jet dust removing device of the present invention can be explained with reference to Figs. 5 and 6. When the motor 11 is started, the first driving gear 151 mounted on the motor shaft drives the first driven gear 152 and the rotating body 17 to rotate. The first jet dust removing device 31 and the second jet dust removing device 32 mounted on the rotating body 17 rotate in synchronization with the rotating body 17, and the gas source passes through the first gas passage 311, the second gas passage 321, the first hose 313, and the first The compressed air delivered by the two hoses 323 is sprayed through the first jet pipe 312 and the second jet pipe 322 to the dust removing portion at the edge of the machine table 100 to remove dust. When the rotating body 17 is rotated in a certain direction, for example, clockwise (forward), the first jet dust removing device 31 and the second jet dust removing device 32 can remove most of the yarn and dust scattered or attached to the machine, wherein Still some of the yarn and dust are still attached to the machine due to the surface roughness of the machine and the angle of the jet. When the rotating body 17 is further rotated counterclockwise (reverse), the direction and angle of the jet change, so that the yarn and dust that cannot be removed when the clockwise rotation is completely taken away by the jetting force and the suction force of the jet, The yarn and dust on the machine can be completely removed.

Although the present invention has been disclosed by the above embodiments, the scope of the present invention is not limited thereto, and variations, substitutions, and the like of the above components will fall within the scope of the present invention. Within the scope of the claims.

Claims

Rights request

1. A knitting machine jet dust removing device capable of rotating in a forward and reverse direction, characterized in that the device is provided with a rotating mechanism (10) and a control mechanism (20) connected thereto, the rotating mechanism (10) being arranged in knitting In the center of the machine table, a first jet dust removing device (31) and a second jet dust removing device (32) are connected to the rotating mechanism (10), and the rotating mechanism (10) is a forward and reverse rotating mechanism, and the control is performed in the control Under the control of the mechanism (20), the forward or reverse rotation is alternately performed with the set time, angle or number of revolutions, and the jet dust removing device (30) is synchronously rotated to rotate the machine (100).

earth.

2. The air blower for forward and reverse rotation of a knitting machine according to claim 1, wherein the rotating mechanism (10) comprises a motor (11), a motor bracket (12), a column (13), and a shaft. a sleeve (14), a first gear set (15), a second gear set (16) and a rotating body (17), wherein the motor (11) is a forward and reverse motor fixed to the motor bracket (12), The sleeve (14) is fixed on the column (10) at the center of the machine table (100), and the first air inlet (141) and the second air inlet (142) are arranged on the upper end surface of the sleeve (14). The motor bracket (12) is fixed on a sleeve (14), the first gear set (15) is disposed at an upper end of the rotating body (17), and is connected with the motor (11) and the first jet dust removing device (31) The second gear set (32) is disposed at a lower end of the rotating body (17) and connected to the second jet dust removing device (32), and the rotating body (17) is disposed at the first gear set

(31), between the second gear set (32).

3. The forward-reverse rotary knitting machine jet dust removing device according to claim 2, wherein the first gear set (15) comprises a first driven gear with which the first driving gear (151) is meshed a gear (152), the first driving gear (151) is a pinion gear mounted on a motor shaft (111) of the motor (11), and the first driven gear (152) is a large gear fixed to the rotating body a top portion of (17); the second gear set (16) includes two second drive gears (161, 162), a fixed gear (163) that meshes with the two second drive gears, and is fixed to the rotating body ( 17) an outer first connecting seat (164) and a second connecting seat (165), wherein the second driving gears (161, 162) are pinion gears respectively mounted on the first connecting seat (164) and the second connection The bottom of the seat (165); The fixed gear (163) is a large gear placed in the lower part of the rotating body (17) and fixed to the column (13)

The forward-reverse rotation knitting machine jet dust removing device according to claim 2, wherein the rotating body (17) comprises a cylinder (171), an upper bearing (172) and a lower bearing (173) A convex annular boss (1711) is formed in a middle portion of the inner wall of the cylinder (171), and the first air outlet (1712) and the second air outlet (1713) are provided on the cylinder body (171), and the cylinder body (171) The rotatably connected to the sleeve (14) is formed by the upper bearing (172) and the lower bearing (173) mounted on the upper and lower sides of the boss (1711).

The forward-reverse rotation knitting machine jet dust removing device according to claim 4, wherein the first jet dust removing device (31) comprises a first gas passage (311) and a first air outlet (1712) And a first gas passage (312), the first gas passage (31) is recessed inwardly from the inner wall of the cylinder (171) of the rotating body to form a first annular air chamber (1714) and a sleeve ( 14) The upper first air inlet (141) is formed by a first air hole (113) extending downwardly and communicating with the first annular air chamber (1714), and the first air outlet is provided on the cylinder body (171) (1712) A second air hole (1715) communicating with the first annular air chamber (1714) is connected to the first air outlet (1712) with a first air injection tube (312) extending to a dust removing portion of the machine.

6. The forward-reverse rotation knitting machine jet dust removing device according to claim 4, wherein the second jet dust removing device (32) comprises a second gas passage (321) and a second air outlet (1713). And a second gas passage (322) recessed inwardly from the inner wall of the cylinder (171) of the rotating body and positioned lower or higher than the first annular air chamber ( 1714) a second annular air chamber (1716) formed and a third air hole extending downward from the second air inlet (142) of the upper portion of the sleeve (14) and communicating with the second annular air chamber (1716) (144) The cylinder (171) is provided with a fourth air hole (1718) communicating with the second air outlet (1713) and the second annular air chamber (1716), and the second air outlet (1713) is connected A second jet tube (322) that extends to the dust removal site of the machine.

7. The air blower for a forward and reverse rotation of a knitting machine according to claim 5 or 6, wherein The first sealing ring (41) and the second sealing ring (42) are respectively mounted on the upper and lower sides of the first annular air chamber (1714) and the upper side of the second annular air chamber (1716), and The lower side of the second annular air chamber (1716) is provided with a third sealing ring (43) for sealing the joint portion of the annular air chamber and the air hole.

8. The air blower for a forward and reverse rotation of a knitting machine according to claim 1, wherein the control mechanism (20) is a microprocessor connected to a motor (11) of the rotating mechanism, and is controlled. The motor alternates forward or reverse according to the set time, angle or number of revolutions.