CN209941207U

CN209941207U - Numerical control sword belt device

Info

Publication number: CN209941207U
Application number: CN201920158776.4U
Authority: CN
Inventors: 段朝阳
Original assignee: Hebei Longitudinal Aviation Machinery Manufacturing Co Ltd
Current assignee: Hebei Longitudinal Aviation Machinery Manufacturing Co Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2020-01-14
Anticipated expiration: 2029-01-29

Abstract

The utility model relates to a numerical control sword belt device, including sword band pulley, circular array dead axle A on the sword band pulley is positive, establish bearing A on dead axle A, establish at the servo motor of sword band pulley back center department, establish at the flexible sword pole area in the swing arm and establish the guide way on the sword band pulley that the swing arm, the one end of servo motor output shaft are fixed in the swing arm, the other end in nature sword pole area passes the guide way. The transmission device comprises a support fixed on the back of the rapier wheel, a rotating shaft in rotating connection with the rapier wheel, a driven gear arranged on the rotating shaft and a driving gear arranged on an output shaft of the servo motor. The reversing device comprises a rotating shaft symmetrically arranged on the bracket, a reversing gear and a reversing half gear which are arranged on the rotating shaft, and a rack arranged on the back of the sword belt wheel. The utility model discloses it is stable to have the operation, long service life's technological effect.

Description

Numerical control sword belt device

Technical Field

The utility model belongs to the technical field of the technique of shuttleless loom numerical control transformation and specifically relates to a numerical control sword belt device is related to.

Background

There are various kinds of looms, and the textile fiber classification can be classified into a cotton loom, a wool loom, a jute bag loom, a silk loom, and the like. For example, the classification according to the weft insertion method of weaving can be divided into two main categories of shuttle weaving machines and shuttleless weaving machines. The shuttle loom is a loom which adopts the traditional shuttle (wood shuttle or plastic shuttle) to carry out weft insertion, the shuttle has large volume and weight, is repeatedly projected to and fro, has large machine vibration, high noise, slow speed and low efficiency, and is gradually replaced by the shuttleless loom.

The shuttleless loom in the domestic market at present is mainly of a mechanical structure, transmission among all parts is mainly realized by connecting rods, ratchet wheels, gears and the like, the structure is complex, the time consumption for maintenance is long, and the time occupied by the damaged shuttleless loom is long.

With the maturity of numerical control technology and the continuous development of related accessories, the cost of numerical control reconstruction is continuously reduced, and the speed of digital reconstruction of the shuttleless loom is also continuously accelerated. After the numerical control technology is used, the mechanical mechanisms of all parts tend to be simple, the number of parts is obviously reduced, and the manufacturing and the assembly are easier. From the use and the product quality, the operation of the numerical control shuttleless loom is more stable in the production process, the product quality is obviously improved, and the schedule is provided for the numerical control transformation of other parts.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a numerical control sword belt device of simpler structure.

The above object of the present invention can be achieved by the following technical solutions:

a numerical control rapier band device comprises a rapier band wheel, a fixed shaft A which is circularly arrayed on the front surface of the rapier band wheel, a bearing A which is arranged on the fixed shaft A, a servo motor which is arranged at the center of the back surface of the rapier band wheel, a swing arm which is arranged on an output shaft of the servo motor, a flexible rapier band of which one end is fixed on the swing arm and a guide groove which is arranged on the rapier band wheel;

the other end of the flexible rapier band penetrates through the guide groove;

the swing arm is positioned on the front surface of the sword belt wheel.

By adopting the technical scheme, the servo motor drives the flexible rapier tape to move through the swing arm, the servo motor is convenient to adjust parameters, and can adjust process parameters in time, so that the problems of complex structure, more parts, low transmission precision, repeated adjustment and the like in the past when mechanical transmission control is adopted are solved.

The utility model discloses further set up to: the device also comprises a transmission device; the transmission device comprises a bracket fixed on the back of the rapier wheel, a rotating shaft in rotating connection with the rapier wheel, a driven gear arranged on the rotating shaft and a driving gear arranged on an output shaft of the servo motor;

the swing arm is fixed on the rotating shaft;

the servo motor is arranged on the bracket;

the driving gear is meshed with the driven gear.

Through adopting above-mentioned technical scheme, driving gear and driven gear can absorb swing arm and pivot vibrations at the rotation in-process, avoid on it transmits servo motor, prolong servo motor's life.

The utility model discloses further set up to: the device also comprises a reversing device;

the reversing device comprises a rotating shaft symmetrically arranged on the bracket, a reversing gear and a reversing half gear which are arranged on the rotating shaft, and a rack arranged on the back of the sword belt wheel;

the reversing gear is meshed with the driving gear; the rack is in sliding connection with the sword belt wheel;

the reversing half gear is meshed with the rack; the rack is meshed with the driven gear.

By adopting the technical scheme, the two reversing half gears are respectively meshed with the driving rack to drive the driving rack to do linear reciprocating motion, so that the servo motor does not need to be reversed during working, pause during reversing is avoided, and the service life of the servo motor can be prolonged.

The utility model discloses further set up to: and a nylon spacer bush is arranged on the inner wall of the guide groove.

By adopting the technical scheme, the nylon spacer sleeve is soft in texture and has certain self-lubricating property, and the resistance of the flexible rapier band in the moving process can be reduced.

The utility model discloses further set up to: a nylon baffle ring is arranged on the fixed shaft A;

the bearing A is positioned between the rapier wheel and the nylon retaining ring.

Through adopting above-mentioned technical scheme, nylon keeps off the ring and can restrict the degree of rocking of flexible sword pole area in perpendicular to sword band pulley direction, makes its motion more stable.

The utility model discloses further set up to: a fixed shaft B is arranged on the upper circular array on the front surface of the sword belt wheel; a bearing B is arranged on the fixed shaft B;

the flexible rapier band is located between the adjacent bearings A and B.

By adopting the technical scheme, the bearing A and the bearing B can limit the movement of the flexible rapier band to enable the rapier band to move according to a specified route, and can reduce the resistance in the movement process to enable the rapier band to move more smoothly.

The utility model discloses further set up to: the number of the bearings A is the same as that of the bearings B.

By adopting the technical scheme, the stress points on the two sides of the flexible rapier band are the same, and deformation caused by abnormal local stress can be avoided.

The utility model discloses further set up to: one bearing A and one bearing B adjacent to the bearing A form a limiting group;

the center lines of the bearing A and the bearing B in each limiting group and the center line of the rapier wheel are located in the same plane.

Through adopting above-mentioned technical scheme, a plurality of pairs of bearings A and bearing B from both sides simultaneously with flexible sword pole area clip, can furthest's reduction its degree of rocking in the motion process, improve its stability of moving.

To sum up, the utility model discloses a beneficial technological effect does:

1. the utility model discloses use the flexible sword pole of servo motor drive to take the motion, servo motor motion accuracy is high, and the rotational speed adjustment is convenient, and when technological parameter changes, its rotational speed of adjustment just can change the rate of motion in flexible sword pole area, and it is long when changing the gear time-consuming when having avoided mechanical adjustment, changes the trouble and debug the scheduling problem repeatedly.

2. The utility model discloses use two switching-over semi-gear drive racks to be linear reciprocating motion, the rack drives the swing arm swing through driven gear when the motion, can be servo motor and realizing the reciprocating swing of swing arm under the unchangeable condition of turning to, pause when can enough avoiding the switching-over can prolong servo motor's life again.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic structural diagram of the transmission device of the present invention.

Fig. 3 is a schematic structural diagram of the reversing device of the present invention.

FIG. 4 is a schematic view of the connection of the nylon spacer and the guide groove.

In the figure, 11, the rapier band wheel; 12. fixing the shaft A; 13. a bearing A; 14. a servo motor; 15. Swinging arms; 16. a flexible rapier band; 17. a guide groove; 21. a support; 22. a rotating shaft; 23. a driven gear; 24. a driving gear; 31. a rotating shaft; 32. a reversing gear; 33. a reversing half gear; 34. a rack; 4. a nylon spacer sleeve; 5. a nylon retainer ring; 61. a fixed shaft B; 62. and a bearing B.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the numerical control sword belt device disclosed in the present invention, the number of the dead axle a12 and the dead axle B61 is the same, the equal circular array is on the front of the sword belt wheel 11, and the circle surrounded by the dead axle a12 is larger than the circle surrounded by the dead axle B61. The fixed shaft A12 and the fixed shaft B61 are respectively provided with a bearing A13 and a bearing B62, and a gap is reserved between the adjacent bearing A13 and the adjacent bearing B62 for the flexible rapier band 16 to move.

The center of the rapier wheel 11 is provided with a through hole, a bearing A is arranged in the through hole, and the rotating shaft 22 is arranged on the bearing A. The swing arm 15 is positioned on the front surface of the rapier pulley 11, fixed to the rotating shaft 22, and capable of swinging on the rapier pulley 11 about the rotating shaft 22. One end of the flexible rapier band 16 is fixed on the swing arm 15, and the other end of the flexible rapier band passes through the gap between each bearing A13 and bearing B62 in sequence and then extends out of the guide groove 17 fixed on the front surface of the rapier wheel 11.

The nylon baffle ring 5 is fixed on the fixed shaft A12, so that the shaking degree of the flexible rapier band 16 in the moving process can be reduced.

The back of the rapier wheel 11 is connected with a bracket 21 through bolts, two rotating shafts 31 are symmetrically arranged on the bracket 21, the rotating shafts 31 can rotate on the bracket 21, and a reversing gear 32 and a reversing half gear 33 are connected on the rotating shafts 31 through keys.

Referring to fig. 3, the servomotor 14 is also mounted on the bracket 21, and a driving gear 24 is keyed to an output shaft of the servomotor, and the driving gear 24 is engaged with the reversing gears 32 on both sides. The back of the sword belt wheel 11 is provided with a sliding groove, two sliding blocks are placed in the sliding groove, and the rack 34 is installed on the sliding blocks and can slide along the sliding groove. Two reversing half gears 33 on the two rotating shafts 22 are meshed with the racks 34 and can be pushed to slide in the sliding grooves in a reciprocating mode. The rack 34 is also engaged with the driven gear 23 fixed on the rotating shaft 22, and the swing arm 15 is driven to swing through the driven gear 23 during sliding.

Referring to fig. 4, the nylon spacer 4 is fixed in the guide groove 17, which can reduce the resistance of the flexible rapier band 16 during the moving process.

The implementation principle of the embodiment is as follows:

the servo motor 14 is actuated to rotate the drive gear 24 on its output shaft. When the driving gear 24 rotates, the reversing gear 32, the rotating shaft 31 and the reversing half gear 33 on the transmission chain all start to rotate. Both reversing half-gears 33 are engaged with the rack 34 but not simultaneously in contact therewith, one of which is urged to move in one direction when engaged with the rack 34, and the other reversing half-gear 33 is urged to move in the opposite direction when engaged with it. During the movement of the rack 34, the driven gear 23 is driven to rotate and change the direction of rotation according to a fixed frequency, so that the swing arm 15 can swing, and the flexible rapier band 16 is driven to reciprocate. When the flexible rapier band 16 reciprocates, the arrow head arranged at the front end pulls the iron wires to shuttle in the radially moving iron wires, and the iron wire net is woven and formed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A numerical control sword belt device is characterized in that: the rapier loom comprises a rapier wheel (11), a fixed shaft A (12) circularly arrayed on the front surface of the rapier wheel (11), a bearing A (13) arranged on the fixed shaft A (12), a servo motor (14) arranged at the center of the back surface of the rapier wheel (11), a swing arm (15) arranged on an output shaft of the servo motor (14), a flexible rapier band (16) with one end fixed on the swing arm (15) and a guide groove (17) arranged on the rapier wheel (11);

the other end of the flexible rapier band (16) extends out of the guide groove (17);

the swing arm (15) is positioned on the front surface of the sword belt wheel (11);

the rapier loom is characterized by further comprising a transmission device, wherein the transmission device comprises a support (21) fixed on the back of the rapier loom wheel (11), a rotating shaft (22) rotatably connected with the rapier loom wheel (11), a driven gear (23) arranged on the rotating shaft (22) and a driving gear (24) arranged on an output shaft of the servo motor (14);

the swing arm (15) is fixed on the rotating shaft (22);

the servo motor (14) is arranged on the bracket (21);

the driving gear (24) is meshed with the driven gear (23);

the reversing device comprises a rotating shaft (31) symmetrically arranged on the support (21), a reversing gear (32) and a reversing half gear (33) which are arranged on the rotating shaft (31), and a rack (34) arranged on the back of the rapier wheel (11);

the reversing gear (32) is meshed with the driving gear (24);

the rack (34) is connected with the sword belt wheel (11) in a sliding way;

the reversing half gear (33) is meshed with the rack (34);

the rack (34) is meshed with the driven gear (23).

2. A numerically controlled sword belt device according to claim 1, wherein: and a nylon spacer bush (4) is arranged on the inner wall of the guide groove (17).

3. A numerically controlled sword belt device according to claim 1, wherein: a nylon baffle ring (5) is arranged on the fixed shaft A (12);

the bearing A (13) is positioned between the rapier wheel (11) and the nylon retaining ring (5).

4. A numerically controlled sword belt device according to claim 1, wherein: fixed shafts B (61) are circularly arrayed on the front surface of the rapier wheel (11); a bearing B (62) is arranged on the fixed shaft B (61);

the flexible rapier band (16) is located between the adjacent bearings A (13) and B (62).

5. A numerically controlled sword belt device according to claim 4, wherein: the number of the bearings A (13) is the same as that of the bearings B (62).

6. A numerically controlled sword belt device according to claim 5, wherein: one of said bearings a (13) and one of said bearings B (62) adjacent thereto constitute a restriction group;

the central lines of the bearing A (13) and the bearing B (62) in each limiting group and the central line of the rapier pulley (11) are positioned in the same plane.