CN206015214U - A kind of selvedge shedding motion of rapier loom - Google Patents

Abstract

This utility model is related to a kind of selvedge shedding motion of rapier loom, including the power transmission shaft of rapier loom, steps on comprehensive camshaft, steps on comprehensive device and selvedge shedding mechanism；Setting drive system between comprehensive camshaft and power transmission shaft is stepped in described, comprehensive camshaft is stepped on by power transmission shaft driving and is operated by a constant-speed ratio；Described stepping on is provided with multiple shedding cams and a selvedge cam on comprehensive camshaft, described shedding cam constitutes selvedge shedding mechanism with selvedge cam；Described comprehensive device of stepping on includes stepping on comprehensive de- foot, to step on and be provided with heddle-stepping shaft on comprehensive de- foot, multiple step on comprehensive arm on the heddle-stepping shaft, each is stepped on and is mounted on stepping on comprehensive rotor on comprehensive arm, steps on comprehensive rotor and is affixed with shedding cam and selvedge cam respectively.This utility model steps on comprehensive camshaft operating according to required speed than driving using gear train assembly by the use of the power transmission shaft of rapier loom as power resources, can be good at the rhythm of production for mating rapier loom；Will be adjacent on same axis to shedding cam and selvedge cam, run-in synchronism is realized, is made the selvedge tightness of production moderate, is not produced edge damage and crimp quality problem.

Description

A selvedge shedding device for a rapier loom

technical field

The utility model relates to the field of textile machinery, in particular to a cloth edge opening device of a rapier loom.

Background technique

The selvedge shedding device currently used in rapier looms is an independent shedding device with an independent transmission. The movement of the device has nothing to do with the movement of any device. The structure of this device is complex, difficult to install, and high in cost. There is also a selvedge shedding device, which is installed together with the shedding cam device and moves together with the shedding device, but the cam of the selvage shedding device is independent, and the edge weaving by this device is not only the tightness of the selvage Large, and it is easy to cause the curling of the selvage, which will bring the quality problem of poor selvage to the dyeing and finishing of the subsequent process.

Utility model content

In order to solve the hemming phenomenon of the selvedge of the rapier loom, make the tightness of the selvedge moderate, meet the customer's requirements, and avoid the problem of broken edge and hemming quality, especially for the rapier loom of the twill fabric, this practical A new type of selvage shedding device for rapier looms is proposed, and the existing selvage shedding device is modified. The modified selvage shedding device has a simpler structure, more convenient operation, and can make the selvage tightness moderate , to solve the problems of tight edges, curled edges, broken edges, etc. in the production operation of the selvage.

In order to achieve the above object, the utility model proposes the following technical solutions:

A selvedge opening device for a rapier loom, characterized in that it includes a transmission shaft of a rapier loom, a heald stepping camshaft, a heald stepping device and a selvedge opening mechanism; between the heald stepping camshaft and the transmission shaft A transmission system is arranged between them, and the transmission shaft drives the stepping heald camshaft to run at a certain speed ratio; the stepping heald camshaft is equipped with a plurality of opening cams and a selvage cam, and the shedding cam and the selvage cam form a cloth side opening mechanism; the stepping heald device includes a stepping heald taking off foot, a stepping heald shaft is installed on the stepping heddle taking off foot, a plurality of stepping heald arms are installed on the stepping heald shaft, and each stepping heald arm is equipped with a stepping heddle The rotor and the heald rotor are respectively attached to the opening cam and the selvedge cam.

Further, there are 3-5 opening cams.

Furthermore, the transmission system includes an open transmission gear, a heddle drive gear, a heddle conversion gear shaft, a heald conversion gear and a heddle transmission gear; the open transmission gear is installed on the transmission shaft, and the The stepping heddle driving gear is installed on the stepping heddle conversion gear shaft and meshes with the opening transmission gear; the stepping heddle conversion gear shaft is also equipped with a stepping heddle conversion gear, and the stepping heddle conversion gear is engaged with the stepping heddle transmission gear, The stepping heald transmission gear is installed on the stepping heald camshaft.

Furthermore, the transmission system also includes a gear box, and the gear assemblies are all installed in the gear box; or the open transmission gear and the step-heald drive gear are installed in the gearbox, and the step-heald conversion gear and the step-heald drive gear are installed in the gear box. The heddle drive gear is installed outside the gear box.

Further, the gear box is installed on the right brace, and the right brace is connected with the front beam and the rear beam.

Further, one end of the stepping heddle camshaft is installed on the gear box, and the other end is installed on the left bracket of the stepping heddle, and the left stepping heddle bracket is fixed on the left support, and the left support is connected with the front beam and the rear beam. connected.

Furthermore, the stepping heddle conversion gear shaft is mounted on the gear box through ball bearings.

Furthermore, one end of the stepping heddle camshaft is installed on the gear box through a needle bearing, and the other end is installed on the left bracket of the stepping heald through a left bracket ball bearing.

Further, the rapier loom is a rapier loom for producing twill gray cloth.

The utility model uses the transmission shaft of the rapier loom as the power source for the cloth edge opening device of the rapier loom, and uses the gear transmission system to drive the heald camshaft to run according to the required speed ratio, which can well match the rapier weaving machine. The production rhythm of the machine. The utility model installs the opening cam and the selvedge cam adjacently on the same shaft to realize synchronous operation, so that the produced selvedge is moderately tight and does not cause the quality problems of broken edges and curled edges, and is especially suitable for the production of rapiers for twill fabrics on the loom. The utility model has the advantages of simple structure, low reconstruction cost and convenient installation and maintenance.

Description of drawings

Fig. 1 is the front view of the selvedge opening device of the rapier loom of the present invention;

Fig. 2 is a top view of the selvedge opening device of the rapier loom of the present invention;

Fig. 3 is the right view of the selvedge opening device of the rapier loom of the present invention;

Fig. 4 is a partial right view of the selvage opening cam of the selvage opening device of the rapier loom of the present invention.

In the figure: 1 left bracket for stepping heddles, 2 opening cam, 3 stepping heddle camshaft, 4 transmission shaft, 5 opening transmission gear, 6 gear box, 7 stepping heddle drive gear, 8 stepping heddle conversion gear shaft, 9 selvedge cam, 10 Rear beam, 11 Ball bearing 1, 12 Ball bearing 2, 13 Needle bearing, 14 Right support, 15 Front beam, 16 Left support ball bearing, 17 Left support, 18 Stepping heddle conversion gear, 19 Stepping heddle transmission gear, 20 stepping heald rotor, 21 stepping heald arm, 22 stepping heddle foot, 23 stepping heddle shaft

detailed description

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to Fig. 1 to Fig. 4, a kind of selvage opening device of rapier loom of the present utility model, comprises the transmission shaft 4 of rapier loom, stepping on heddle cam shaft 3, stepping on heald device and selvage opening mechanism; A transmission system is set between the stepping heald camshaft 3 and the transmission shaft 4, and the transmission shaft 4 drives the stepping heald camshaft 3 to run at a certain speed ratio; 3-5 opening cams are installed on the described stepping heald camshaft 3 2 and a selvage cam 9, the opening cam 2 and the selvage cam 9 form a selvage opening mechanism; the heald stepping device includes a stepping heddle foot 22, and a stepping heddle shaft 23 is installed on the stepping heddle taking off foot 22 , a plurality of stepping heald arms 21 are installed on the stepping heald shaft 23, stepping heald rotors 20 are installed on each stepping heald arms 21, stepping heald rotors 20 are attached to the opening cam 2 and the selvedge cam 9 respectively.

Specifically, the transmission system includes an open transmission gear 5, a stepping heddle driving gear 7, a stepping heald conversion gear shaft 8, a stepping heald conversion gear 18 and a stepping heddle transmission gear 19; the open transmission gear 5 is installed on the transmission shaft 4, the stepping heddle driving gear 7 is installed on the stepping heald conversion gear shaft 8 to mesh with the open drive gear 5; the stepping heddle conversion gear shaft 8 is also equipped with a stepping heddle conversion gear 18, and Stepping on the heddle conversion gear 18 is engaged with stepping on the heddle transmission gear 19, and stepping on the heddle transmission gear 19 is installed on the stepping on the heddle camshaft 3.

The transmission system also includes a gear box 6, and the gear assemblies are installed in the gear box 6 or the open drive gear 5 and the stepping heddle drive gear 7 are installed in the gear box 6, and the stepping heddle conversion gear 18 and the The heddle drive gear 19 is installed outside the gear box 6. The above installation structure can be determined according to the installation space or maintenance requirements of the shedding device of the rapier loom. Described gear case 6 is installed on the right brace 14, and right brace 14 is connected with front beam 15, rear beam 10.

One end of the stepping heald camshaft 3 is installed on the gear box 6, and the other end is installed on the stepping heald left bracket 1, and the stepping heald left bracket 1 is fixed on the left support 17, and the left support 17 is connected with the front beam 15, the back beam 10 is connected. In this way, the right brace 14 and the left brace 17 are connected and fixed by the front beam 15 and the rear beam 10 to form a stable installation base.

The stepping heddle conversion gear shaft 8 is installed on the gear box through a ball bearing; one end of the stepping heddle camshaft 3 is installed on the gear box through a needle bearing 13, and the other end is installed on the stepping heddle through a left bracket ball bearing 16. On the left bracket 1.

Concrete movement, when transmission shaft 4 rotates, drives opening transmission gear 5 to move, and opening transmission gear 5 drives the stepping heddle driving gear 7 that engages to move, and stepping heald driving gear 7 drives stepping heald transformation gear shaft 8 to move, and stepping heald transformation gear shaft 8 Drive stepping heddle conversion gear 18 motions, stepping heald conversion gear 18 drives the meshed stepping heald transmission gear 19 motions, stepping heald transmission gear 19 drives stepping heddle camshaft 3 motions, stepping heald camshaft 3 drives a plurality of opening cams 2 and a cloth Limit cam 9 moves, and shedding cam 2 and a selvedge cam 9 drive stepping on heald arm 21 to move up and down around stepping on heddle shaft 23.

The utility model uses the transmission shaft of the rapier loom as the power source for the cloth edge opening device of the rapier loom, and uses the gear transmission system to drive the heald camshaft to run according to the required speed ratio, which can well match the rapier weaving machine. The production rhythm of the machine. The utility model installs the opening cam and the selvedge cam adjacently on the same shaft to realize synchronous operation, so that the produced selvedge is moderately tight and does not cause the quality problems of broken edges and curled edges, and is especially suitable for the production of rapiers for twill fabrics on the loom. The utility model has the advantages of simple structure, low reconstruction cost and convenient installation and maintenance.

Claims (10)

1. a selvedge shedding device of a rapier loom, is characterized in that: comprise the power transmission shaft (4) of rapier loom, step on a heddle camshaft (3), step on a heald device and a selvage shedding mechanism; A transmission system is arranged between the stepping heald camshaft (3) and the transmission shaft (4), and the stepping heald camshaft (3) is driven by the transmission shaft (4) to run at a certain speed ratio; A plurality of opening cams (2) and a selvage cam (9) are installed, and the opening cam (2) and the selvage cam (9) form a selvage opening mechanism; (22), stepping on the heald shaft (23) is installed on the foot (22), a plurality of stepping on the heald arms (21) is installed on the stepping on the heald shaft (23), each stepping on the heald arm (21) is installed Stepping on the heddle rotor (20) is arranged, and stepping on the heald rotor (20) sticks with the opening cam (2) and the selvedge cam (9) respectively. 2. A selvage opening device for a rapier loom according to claim 1, characterized in that 3-5 opening cams (2) are provided. 3. A selvedge shedding device for a rapier loom according to claim 1, characterized in that: said transmission system comprises a shedding transmission gear (5), a stepping heddle driving gear (7), a stepping heald conversion gear Shaft (8), stepping heddle conversion gear (18) and stepping heald transmission gear (19); described open drive gear (5) is installed on the transmission shaft (4), and described stepping heald driving gear (7) is installed On the stepping heald conversion gear shaft (8), it is meshed with the open transmission gear (5); on the described stepping heald conversion gear shaft (8), a stepping heald conversion gear (18) is also installed, and the stepping heddle conversion gear (18) meshes with stepping on the heddle transmission gear (19), and stepping on the heddle transmission gear (19) is installed on the stepping on the heddle camshaft (3). 4. A selvedge opening device for a rapier loom according to claim 3, characterized in that: the transmission system further comprises a gear box (6), and the gear components are installed in the gear box (6). 5. A selvedge shedding device for a rapier loom according to claim 3, characterized in that: said transmission system further comprises a gear box (6), said shedding transmission gear (5) and the tread heddle Drive gear (7) is installed in the gear box (6), and described stepping on the heddle conversion gear (18) and stepping on the heddle drive gear (19) are installed outside the gear box (6). 6. A selvedge opening device for a rapier loom according to claim 4 or 5, characterized in that: the gear box (6) is installed on the right support (14), and the right support (14) ) is connected with front beam (15), back beam (10). 7. A selvage opening device for a rapier loom according to claim 6, characterized in that: one end of the stepping heddle camshaft (3) is installed on the gear box (6), and the other end is installed on the treadle On the heald left support (1), described stepping heald left support (1) is fixed on the left brace (17), and the left brace (17) is connected with front beam (15), back beam (10). 8. A selvedge opening device for a rapier loom according to claim 7, characterized in that: said step-heald conversion gear shaft (8) is mounted on the gear box through a ball bearing. 9. A selvedge opening device for a rapier loom according to claim 7, characterized in that: one end of the stepping heald camshaft (3) is mounted on the gear box through a needle bearing (13), and the other end One end is installed on the left support (1) of the tread heald by the left support ball bearing (16). 10. The selvage opening device of a rapier loom according to claim 2, characterized in that: said rapier loom is a rapier loom for producing twill gray cloth.