KR20060043760A - Beating device for loom - Google Patents

Abstract

Body loom in looms, in connection with the balance shaft and the locking shaft, or in the connection between the balance shaft and the sledge, realizes a high-strength connection state with high weight and enables a high precision connection state. .

A plurality of locking shafts arranged apart from each other in the width direction of weaving the fabric, and a balance shaft arranged on the opposite side of the locking shaft to the width direction of weaving the fabric and corresponding to the separation portions of the pair of locking shafts; In a body loom of a loom having a pair of connecting portions respectively connecting the both ends to the ends of the pair of locking shafts, and a plurality of slaywords, at least a part including the ends of the balance shafts includes a corresponding connecting portion. And at least one of and at least one of the plurality of swords.

Description

Beating Device for Loom

1 is a front view seen from the winding side of a loom of a first embodiment of the present invention.

FIG. 2 is an enlarged view of a main part of FIG. 1.

FIG. 3 is a side view showing a cross section taken along the line A-A of FIGS. 1 and 2, and showing a body stroke state.

Fig. 4 is a side view showing a cross section seen from A-A of Figs. 1 and 2, showing a state in which the body stroke retreats most toward the feeding side.

5 is a side view illustrating a cross section taken along line B-B in FIGS. 1 and 2.

6 is a cross-sectional view taken from the line C-C of FIG.

7 is a first modification of the first embodiment.

8 is a second modification of the first embodiment.

9 is a third modification of the first embodiment.

10 is a second embodiment of the present invention.

11 is a third embodiment of the present invention.

12 is a fourth embodiment of the present invention.

13 is a first modification of the fourth embodiment.

14 is a second modification of the fourth embodiment.

15 is a fifth embodiment.

16 is a sixth embodiment.

<Description of the symbols for the main parts of the drawings>

1 frame 2 end support member

3: first locking shaft 4: spindle

5: body 6: lead holder

7: 2nd locking shaft 8: Slay Sword

9: third locking shaft 10: beam

11: first composite member 11a: balance shaft

11b: connection part 11c: connection part

11d: Slay Sword 11f: Connecting Groove

11g: through hole 11h: through hole

12: second composite member 12a: balance shaft

12b: connection part 12c: connection part

12d: Slay Sword 12e: Slay Sword

12f: Connecting groove 12g: Casting out hole

12h: through hole 13: plate

14: bracket 15: bearing holder

16: bearing cover 17: shaft pressing part

18: bolt 19: swinging center

20: center of gravity 30: intermediate support device

31: sub nozzle 50: body stroke device

61: first composite member 61a: balance shaft

61b: connecting portion 61c: connecting portion

61d: Slay Sword 61i: Rocking Shaft

61j: locking shaft 62: second composite member

62a: balance shaft 62b: connection

62c: connection section 62i: locking shaft

62j: Locking Shaft 63: Slay Sword

71: first composite member 71a: balance shaft

71b: Connector 71i: Locking shaft

72: second composite member 72aa: balance shaft

72ab: balance shaft 72b: connection

72c: connection portion 72i: locking shaft

73: Slay Sword 74: Balance Shaft

80: intermediate support device

The present invention relates to a body loom device of a loom.

The body loom of the loom includes a locking shaft that is rotated in conjunction with the rotation of the main shaft of the loom, a plurality of slay swords attached to the locking shaft, a lead holder supported by the plural sleigh swords, and a lead holder. It has a body fixed to it. Accordingly, the body, the lead holder and the sword are connected to the locking shaft, the rocking shaft is pivoted, and the body stroke is linked to the rotation of the main shaft of the loom. However, the center of the locking shaft and its connection is located on the body side rather than the swing center, so that the center of gravity and the swing center are significantly different, that is, the locking shaft and its connection are in an unbalanced state. This causes vibration to accompany the body stroke, which causes wear and noise of the members and hinders the speed of the loom. For this reason, the body clamping device is provided with a means for improving the unbalanced state of the locking shaft and its integrally connected body (see Patent Document 1, for example).

In the publication of Patent Document 1, three locking shafts are provided to be spaced apart from each other along the width direction in which the fabric is woven. Two balance shafts are respectively disposed corresponding to the separation portions of the pair of locking shafts, and are located on the opposite side of the body than the locking shafts. Further, a connecting member having holes for fitting the locking shaft and the balance shaft, respectively, is disposed at both ends of each balance shaft, and both ends of the balance shaft are connected to the ends of the two locking shafts, respectively. The balance shaft places the center of gravity of the locking shaft and its connection in the vicinity of the swing center to improve the unbalanced state, and swings the slaed sword for body striking motion. In addition, since the locking shaft is provided discontinuously without being provided over the entire width of the fabric weaving width, the weight is reduced, the load on the body wrapping apparatus is reduced, and the loom can be speeded up.

[Patent Document 1]

Japanese Utility Model Notification Digestion 57-23514 (Page 3, Fig. 1)

However, in the publication of Patent Literature 1, the three members of the connecting member, the balance shaft, and the balance shaft and the slayer are respectively connected together through bolts, so that the strength is low. Therefore, vibration is generated and an accurate body is generated. Stroke is difficult to exercise. In order to increase the strength, it is necessary to enlarge the connecting portion between the connecting member and the balance shaft of the sword, resulting in an increase in weight. Increasing the weight increases the consumption power and prevents the loom from speeding up, and the inertial force increases, thereby increasing the load of the driving device for forward and reverse rotation of the locking shaft, thereby raising the need for increasing the rigidity of the driving device. In addition, since the processing accuracy and the assembly precision of the plurality of members, that is, the connecting member, the balance shaft, and the sledge, are affected, it is difficult for the three characters in the connected state to be maintained at high accuracy, and thus the vibration is generated. In addition to the cause, accurate body stroke is impaired.

In view of the above problems of the prior art, an object of the present invention is to connect a balance shaft and a locking shaft, or a connection between a balance shaft and a sword in a body loom device of a loom. In addition, the present invention provides a high precision connection state.

The present invention has been made in order to achieve the above object, and the body loom of the loom includes a plurality of locking shafts disposed apart from each other in the width direction for weaving the fabric, and arranged in the width direction for weaving the fabric arranged on the opposite side of the body than the locking shaft. A balance shaft which is connected to each other and is provided with a pair of connecting portions respectively connecting the ends of the pair of locking shafts to the ends of the pair of locking shafts, and a plurality of sledwords. In the body engaging apparatus, at least a part including the end of the balance shaft is integrally formed with at least one of the corresponding connecting portions and at least one of the plurality of swords (claim 1).

At least a part including the end of the balance shaft is integrally formed with at least one of the corresponding connecting portions and the adjacent locking shaft (claim 2).

In addition, at least a part including the end of the balance shaft and the integrally formed article are formed of cast iron or cast steel (claim 3).

Embodiment of the Invention

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described based on drawing. 1 to 6 show the first embodiment of the present invention in the body wrapping apparatus 50 of the air-jet loom. 1 is a front view seen from the winding side of the loom, and FIG. 2 shows an enlarged view of the main part of FIG. 1. 3 and 4 are side views showing a cross section seen from A-A of Figs. 1 and 2, Fig. 3 shows a body stroke state, and Fig. 4 shows a state where the body retreats most toward the dispensing side. FIG. 5 is a side view showing a cross section seen from B-B of FIGS. 1 and 2. FIG. 6 is a sectional view seen from C-C of FIG. 1.

The body cutting device 50 is rotated by two end supporting members 2 and 2 and two end supporting members 2 and 2 respectively provided on the left and right frames 1 and 1 of the loom. Two first locking shafts 3 and 3 which are supported, and two left and right locking shafts 3 and 3, respectively, which are supported on the left and right sides of the loom, respectively, to drive in conjunction with the rotation of the main shaft 4 of the loom. Two drive units (not shown), a body 5 and a lead holder 6 provided over the entire fabric weaving width, two second locking shafts 3 and 3 and two second neighbors respectively. Two locking shafts (7, 7) and two ends of the lead holder (6), each of which has a hole through which the first shaft and the first locking shaft (3) and the second locking shaft (7) are fitted The width between the slaywords 8 and 8 and the two second locking shafts 7 and 7 is arranged apart from each other in the width direction of weaving each other. Two third locking shafts 9 and 9 spaced apart from each other in the incense, and beams 10 extending in the width direction for weaving the fabric and supported at both ends by the left and right frames 1 and 1, A pair of locks consisting of two intermediate support devices 30, 30 for rotatably supporting three third locking shafts 9, 9, and a second locking shaft 7 and a third locking shaft 9, respectively. Two first composite members 11 and 11 disposed corresponding to two separation portions of the shafts 7 and 9 and corresponding separation portions of the pair of third locking shafts 9 and 9, respectively. The second composite member 12 is included.

A pair of locking shafts 7 and 9 spaced apart from each other is formed by the neighboring second locking shaft 7 and the third locking shaft 9, and the two neighboring third locking shafts 9 are formed. Thereby, a pair of locking shafts 9 and 9 which are spaced apart are formed. The first composite member 11 is disposed corresponding to the separation portions of the former pair of locking shafts 7, 9, and the second corresponding to the separation portions of the pair of locking shafts 9, 9 of the latter. The composite member 12 is arrange | positioned. The first composite member 11 is provided at both ends of the balance shaft 11a and the balance shaft 11a so that both ends of the balance shaft 11a are provided with the second locking shaft 7 and the third locking shaft. It has a pair of connection part 11b, 11c which connects to each end part of 9, respectively, The 2nd composite member 12 has the balance shaft 12a and the both ends of the said balance shaft 12a. It is provided with a pair of connection part 12b, 12c which is provided and connects both ends of the balance shaft 12a to each end part of a pair of 3rd locking shaft 9, respectively. Accordingly, the balance shaft 11a is disposed corresponding to the separation portions of the former pair of locking shafts 7 and 9, and the balance shaft (corresponding to the separation portions of the latter pair of locking shafts 9 and 9). 12a) is arranged.

The two first locking shafts 3 and 3, the two second locking shafts 7 and 7, and the two third locking shafts 9 and 9 are provided with two sledwords 8 arranged at their respective ends. 8, connected by two first composite members 11 and 11 and a second composite member 12, two end supporting members 2 and 2 and two intermediate supporting devices 30 and 30 ) Is coaxially supported and oscillated by two driving devices that respectively drive the two first locking shafts 3 and 3. The body 5 is formed at both ends and 4 by the two swords 8 and 8, the two first composite members 11 and 11 and the second composite member 12 through the lead holder 6. The middle part of the dog is supported, and is coupled to the locking shafts 3, 7, 9 together with the plurality of subnozzles 31 supported by the lead holder 6 to swing. It will be described in detail below.

As shown in FIG. 5, the intermediate support device 30 includes a plate 13 fixed to the beam 10 via bolts, a bracket 14 fixed to the plate 13 via bolts, and a bracket ( 14 and bearing bearings 15 fixed through bolts, bearings not shown, and bearing covers 16 attached to bearing holders 15 through bolts to fix bearings. , 3, 7, 9, and 9 are coaxially supported by two end support members 2 and 2 and two intermediate support devices 30 and 30, so that vibration is suppressed and accurate body stroke It is possible to exercise.

The sledword 8 supporting the end of the lead holder 6 has a cutout portion formed at a connection portion with the locking shaft, and the cutout portion is formed over the entire length direction and the cutout portion of the locking shaft 3, 7 The first locking shaft 3 and the second locking shaft 7 are firmly connected by tightening a so-called split clamp through a bolt.

The first composite member 11 includes a pair of connecting portions formed on the balance shaft 11a, the ends of the second locking shaft 7 side and the ends of the third locking shaft 9 side of the balance shaft 11a, respectively. (11b, 11c) and a sledword (11d) extending from the balance shaft (11a) to the body (5) direction, manufactured through a casting process, formed of cast iron using a mold, and the balance shaft ( 11a), the pair of connecting portions 11b and 11c and the four swords 11d are integrally formed.

The pair of connecting portions 11b and 11c are formed with connecting grooves 11f with the locking shafts 7 and 9 extending from the balance shaft 11a toward the body 5, respectively. The connecting groove 11f is formed by an arc surface, and the shaft pressing portion 17 which has an arc surface in the state where the locking shafts 7 and 9 are placed on the connecting groove 11f is similar to the bolt 18. The pair of connecting portions 11b and 11c is attached to the connecting portions 11b and 11c by pushing the locking shafts 7 and 9, i.e., tightening them firmly between the connecting grooves 11f. 7, 9) is firmly connected. As a result, the first composite member 11 and the three members of the locking shafts 7 and 9 at both ends thereof are firmly connected to each other, and the locking shafts 7 and 9 are made to be the pivoting center 19 to be able to swing. .

The pair of connecting portions 11b and 11c extend from the balance shaft 11a in the direction of the body 5, so that the connecting grooves 11f are formed and the locking shafts 7 and 9 are connected to each other. 11a is located on the opposite side of the body from the locking shafts 7 and 9, i.e., the swinging center 19, so that the locking shaft including the body 5, the lead holder 6 and the sub-nozzle 31 and its connection The unbalanced state is improved by making the water central position closer to the swinging center 19.

As shown in FIG. 6 which is a sectional view seen from CC of FIG. 1, the balance shaft 11a has a substantially elliptical cross-sectional shape, and the swing direction length of a direction orthogonal to a direction orthogonal to the rotation center 19 direction, ie, A dimension, is shown. Is formed longer than the B direction in the direction of the swinging center 19, and the center of gravity 20 of the balance shaft 11a is located at the center of the cross section. Accordingly, the balance shaft 11a has the bending stiffness in the direction in which the load due to the rotational torque from the locking shafts 7 and 9 is applied, that is, the swinging direction bending stiffness and the bending stiffness in the direction in which the load is not applied, that is, the swinging motion. It becomes larger than the bending direction stiffness in the center direction, and bending can be caused by the rotational torque, thereby avoiding damage to the body stroke. Moreover, since the bending center direction bending rigidity of the direction in which the load is not applied is made small, the balance shaft 11a is made light in weight, and it becomes possible to speed up a loom.

In addition, since the balance shaft 11a is formed of cast iron having a property of absorbing vibration together with other parts of the first composite member 11, the balance shaft 11a is formed of steel such as a drawing shaft, Vibration is suppressed, and adverse effects due to vibrations such as abrasion and noise caused by vibrations of the fitting members such as the shafts and bearings, the bearings and the bearing house, etc. are suppressed, and the loom can be speeded up.

It is preferable that A dimension of the cross-sectional shape of the balance shaft 11a shown in FIG. 6 is 1.1 times or more of B dimension, and it raises a swing direction bending rigidity, aiming at weight reduction.

The sledword 11d extends from the connecting portion 11b side of the balance shaft 11a toward the body 5 to engage with the middle portion of the lead holder 6 via a bolt, and the middle portion of the body 5. I support it. In addition, the sledword 11d has a? -Shaped cross-sectional shape and is formed with high rigidity, and a through hole 11g is formed to reduce the weight.

The second composite member 12 includes a balance shaft 12a, a pair of connecting portions 12b and 12c formed at both ends of the balance shaft 12a, and a connecting portion 12b of the balance shaft 12a. Two sledwords 12d and 12e respectively extending from the side and the connecting portion 12c side in the direction of the body 5, and are formed by cast iron using a mold like the first composite member 11, The five of the balance shaft 12a, the pair of connecting portions 12b and 12c and the two swords 12d and 12e are integrally formed.

Like the first composite member 11, the pair of connecting portions 12b and 12c extend from the balance shaft 12a toward the body 5 so that the connecting groove 12f with the third locking shafts 9 and 9 is formed. Each is formed. The coupling groove 12f is formed by an arcuate surface, and the shaft pressing portion 17 is connected to the coupling portion through the bolt 18 while the third locking shafts 9 and 9 are placed on the coupling groove 12f. 12b and 12c, the pair of connecting portions 12b and 12c push the third locking shafts 9, 9 by pushing the third locking shafts 9 and 9 between the connecting grooves 12f. 9) is firmly connected. Accordingly, the three composite members of the second composite member 12 and the third locking shafts 9 and 9 at both ends thereof are firmly connected to each other, and the third locking shafts 9 and 9 are moved to the swinging center 19. It becomes possible to swing.

Similar to the first composite member 11, the balance shaft 12a has the center position of the locking shaft and its coupling close to the swinging center 19 to improve the unbalanced state, and the first composite member 11 It has the same cross-sectional shape as the balance shaft 11a, and it is possible to avoid the occurrence of warpage due to the rotational torques from the third locking shafts 9 and 9, and at the same time reduce the weight and speed up the loom. I'm letting you.

The two sledwords 12d and 12e extend from the balance shaft 12a in the direction of the body 5 to engage with the two middle portions of the lead holder 6 via bolts. The middle part of the dog is supported. Similarly to the first composite member 11, the two sledwords 12d and 12e have a U-shaped cross-sectional shape and are formed with high rigidity, and a casting ejection hole 12g is formed to reduce the weight. .

Although the balance shafts 11a and 12a of the 1st composite member 11 and the 2nd composite member 12 have a substantially elliptical cross-sectional shape, they may be rectangular, oblong, or a rib is provided, It may be reinforced.

Fig. 7 is a first modification, wherein ribs having a C dimension are provided on the swinging center 19 side to increase the bending centering direction rigidity. Since the ribs are secondary and do not significantly affect the bending stiffness, the cross-sectional shape is determined except for the ribs. However, when a large rib is provided, when the swinging center bending stiffness becomes higher than the swinging direction bending stiffness, the weight is increased by the ribs, so that the weight of the loom can be increased while increasing the swinging direction bending stiffness. In contrast, it is not preferable.

The cross-sectional shape of the balance shafts 11a and 12a of the first composite member 11 and the second composite member 12 may be formed in a trapezoidal shape, a fan shape, or a concave shape.

FIG. 8 is a second modification, wherein the cross-sectional shapes of the balance shafts 11a and 12a of the first composite member 11 and the second composite member 12 are substantially the centers of curvature of the transitional swing center 19 on the opposite side of the body. It is formed of an arc to be formed, and has a fan shape longer than the body side edge. Since the opposite side of the body is formed by an arc having the center of curvature 19 almost at the center of curvature, it is possible to avoid interference with other devices located on the opposite side of the body by oscillation and to balance efficiently. That is, since the center of gravity 20 of the balance shafts 11a and 12a is spaced farther from the swing center 19, even if the balance shafts 11a and 12a are not heavy, It is possible to bring the center closer to the swing center 19. As a result, the overall weight of the swinging portion of the body clamping device 50 can be reduced.

FIG. 9 shows a third modified example, wherein the cross-sectional shapes of the balance shafts 11a and 12a of the first composite member 11 and the second composite member 12 have a concave shape in which the center of the body 5 side is recessed. Have As in the second modified example of FIG. 8, since the center of gravity 20 of the balance shafts 11a and 12a is farther apart from the swing center 19, the balance can be efficiently achieved.

In the first embodiment, both ends of the body 5 are both supported by the sleigh sword 8, but may be supported by the composite member.

In the second embodiment shown in FIG. 10, the second composite member 12 engages with the end of the lead holder 6 to support the end of the body 5.

In the first and second embodiments, the connecting grooves 11f and 12f are formed in the pair of connecting portions 11b, 11c, 12b, and 12c, respectively, and the shaft pressing portions 17 corresponding to the connecting grooves 11f and 12f are formed. Although the locking shafts 7 and 9 and the composite members 11 and 12 are connected to each other through a hole, holes for fitting the locking shafts 7 and 9 through the pair of connecting portions 11b, 11c, 12b, and 12c are provided. Thus, the locking shafts 7 and 9 and the composite members 11 and 12 may be connected.

In the third embodiment shown in Fig. 11, holes 11h and 12h are fitted into the pair of connecting portions 11b, 11c, 12b, and 12c, and cutouts are provided over the entire length direction, and the cutouts are provided. The joint reaches the holes 11h and 12h through which it is fitted. The locking shafts 7 and 9 inserted through the holes 11h and 12h to be fitted are connected to the composite members 11 and 12 firmly by tightening so-called split clamps through the bolts 18 and are firmly connected.

In the first, second, and third embodiments, although the slaywords 11d, 12d, 12e of the composite members 11, 12 extend from the balance shafts 11a, 12a in the direction of the body 5, the connecting portion ( 11b, 11c, 12b, and 12c may be extended in the direction of the body 5, and weight reduction of the sledword portions 11d, 12d, and 12e can be achieved.

In the first modification of the fourth embodiment shown in FIG. 12, the fourth modification shown in FIG. 13, and the second modification of the fourth embodiment shown in FIG. 14, the sledwords 11d, 12d, and 12e are both connected portions. It continues in the direction of the body 5 from (11b, 12b, 12c). In the fourth embodiment, as in the third embodiment, holes 11h and 12h are fitted into the pair of connecting portions 11b, 11c, 12b, and 12c, and cutouts are formed over the entire length direction. The cutout reaches the holes 11h and 12h through which the cutout portions are fitted. Further, in the first modification of the fourth embodiment, the ends of the locking shafts 7 and 9 are cut off to form a flat surface, and the bolts are placed on the connecting surfaces of the connecting portions 11b, 11c, 12b, and 12c. It is connected to the composite members 11 and 12 by 18. Further, in the second modification of the fourth embodiment, the ends of the locking shafts 7 and 9 are cut and two surfaces parallel to each other are formed, and the connecting surfaces 11b, 11c, 12b and 12c are parallel to each other. In the state inserted between them, it is connected with the composite members 11 and 12 by the bolt 18.

In each of the above-described embodiments, the composite members 11 and 12 have the balance shafts 11a and 12a integrally with the pair of connecting portions 11b, 11c, 12b and 12c and the slaywords 11d, 12d and 12e. Although molded, at least one of the pair of connecting portions 11b, 11c, 12b, and 12c and the swords 11d, 12d, and 12e and the balance shafts 11a and 12a are integrally molded, and the remaining others are separately. It may be formed and connected to the integrally molded article through a bolt.

In each of the above embodiments, the composite members 11 and 12 are not integrally formed with the locking shafts 7 and 9, but are similar to the fifth embodiment shown in FIG. 15 and the sixth embodiment shown in FIG. It may be molded integrally with the locking shaft.

In the fifth embodiment shown in FIG. 15, the first composite member 61 is provided with a pair of adjacent locking shafts 61i and 61j spaced apart from each other and a spaced portion between the pair of locking shafts 61i and 61j. A balance shaft 61a arranged in correspondence with the pair, and a pair of connecting portions 61b and 61c respectively connecting the ends of the balance shaft 61a to the ends of the pair of locking shafts 61i and 61j, respectively, It is formed of a sleigh word 61d extending from the shaft 61a to the body 5 direction, integrally molded using a mold in the casting process, and formed by cast iron.

In addition, the second composite member 62 connected through the first composite member 61 and the slave sword 63 includes a pair of adjacent locking shafts 62i and 62j and a pair of locking shafts, which are spaced apart from each other. A pair of connecting portions connecting the end portions of the balance shaft 62a and the end portions of the pair of locking shafts 62i and 62j to the balance shaft 62a disposed corresponding to the separation portions 62i and 62j, respectively. 62b, 62c, and like the first composite member 61, are integrally molded using a mold in the casting step, and are formed of cast iron.

The locking shafts 61j and 62i of the first composite member 61 and the second composite member 62 on the left side are connected via the slave sword 63 to form one locking shaft. Therefore, the locking shaft 61j and the locking shaft 62i are different from a part of one locking shaft. Similarly, the locking shafts 61j and 62j of the first composite member 61 and the second composite member 62 on the right side are connected through the slayword 63 to form one locking shaft and one locking shaft. Part of and other parts. The first composite member 61 and the second composite member 62 are formed by integrally forming a balance shaft, a pair of connecting portions, and a part of a pair of locking shafts spaced apart from each other.

The cross-sectional shapes of the balance shaft portions 61a and 62a of the first composite member 61 and the second composite member 62 have a substantially elliptical cross-sectional shape as in the first embodiment shown in FIG. The swinging direction length in the direction orthogonal to the (19) direction is formed longer than the swinging center 19 direction length, and the swinging direction bending stiffness is larger than the swinging center direction bending stiffness.

In the sixth embodiment shown in FIG. 16, the first composite member 71 is disposed at one end of the balance shaft 71a and the balance shaft 71a and corresponds to the connection portion 71b corresponding to the balance shaft 71a. And a locking shaft 71i, integrally molded using a mold in the casting step, and formed of cast iron.

In addition, the second composite member 72, which is connected to the first composite member 71 through the sleigh sword 73, has the balance shafts 72aa and 72ab disposed at both ends, and the balance shafts 72aa and 72ab. It is formed by connecting portions 72c and 72b and locking shafts 72i respectively disposed at one end portion corresponding to the balance shafts 72aa and 72ab, and like the first composite member 71, It is integrally molded using, and formed by cast iron. As the bearing member of the intermediate support device 80 that rotatably supports the locking shaft 72i, a two-piece type bearing member, a so-called half split metal, is used.

The balance shafts 71a and 72aa of the first composite member 71 and the second composite member 72 are connected via the sledword 73 to form one balance shaft, and are disposed to be spaced apart from each other. It is arrange | positioned corresponding to the separation part of a pair of locking shaft 71i, 72i. Since one balance shaft is formed by the balance shaft 71a, the balance shaft 72aa, and the sleigh sword 73 connecting them, the balance shaft 71a is a part including one end of one balance shaft. The balance shaft 72aa is similarly a part including the other ends. Accordingly, the first composite member 71 includes a portion (balance shaft 71a) including one end of one balance shaft, one connection portion 71b disposed at the one end of one balance shaft, and The one locking shaft 71i is integrally formed.

The two second composite members 72 are spaced apart from each other, and a pair of adjacent locking shafts 72i and 72i formed by the locking shafts 72i of each second composite member 72 are spaced apart from each other. It is. Two balance shafts 72ab and 72ab and a balance shaft 74 of the second composite member 72 are disposed corresponding to the separation portions of the pair of locking shafts 72i and 72i. The two balance shafts 72ab and 72ab and the balance shaft 74 are connected via two swords 73 to form one balance shaft. That is, a balance shaft 74 forming an intermediate portion of the balance shaft, a balance shaft 72ab including one end of the balance shaft, a balance shaft 72ab including the other end of the balance shaft, and connecting them Two balance shafts 73 form one balance shaft. Accordingly, the second composite member 72 includes one locking shaft, a portion including one end of one balance shaft, a portion including one end of another balance shaft, and a pair of connecting portions integrally. It is molded. That is, the second composite member 72 includes one locking shaft 72i and a balance shaft 72aa, a balance shaft 72ab, which are disposed on both ends thereof, respectively, including the ends of the other balance shafts. The pair of connecting portions 72b and 72c disposed at both ends of the shaft 72i are integrally formed.

The balance shafts 71a, 72aa, and 72ab of the first composite member 71 and the second composite member 72 are substantially shown in FIG. 6 except for the end portions of the circular cross section passing through the sword. It is formed in an elliptical non-circular cross-sectional shape, and the swing direction bending rigidity is larger than the swing center direction bending rigidity.

According to claim 1, At least a part including the end of the balance shaft and the sword, or at least a part and the connection including the end of the balance shaft is integrally formed without joining using bolts, welding, etc. It is possible to realize a high-strength and high-precision connection state while reducing the weight, and the occurrence of vibration is suppressed and an accurate body stroke movement is possible.

According to claim 2, at least a part including the end of the balance shaft is integrally formed with at least one of the corresponding connecting portions and the adjacent locking shaft, so that the weight of the balance shaft and the locking shaft is higher, In addition, a higher precision connection state can be realized.

According to claim 3, At least a part including the end of the balance shaft is formed of cast iron or cast steel through the casting process, it is possible to absorb vibration than when formed of steel, especially in the case of cast iron It can absorb, suppresses the bad influence by vibration, such as abrasion and a noise, and makes it possible to speed up a loom.

The present invention is not limited to any of the above embodiments, and various modifications can be made without departing from the spirit of the present invention.

Claims (3)

A plurality of locking shafts disposed apart from each other in the width direction of weaving the fabric, and a balance shaft arranged on the opposite side of the body of the locking shaft and extending in the width direction of the weaving fabric to correspond to the separation portions of the pair of locking shafts, A body loom of a loom having a pair of connecting portions for connecting both ends to the ends of a pair of locking shafts, and a plurality of slaywords, At least a part including the end of the balance shaft is integrally formed with at least one of the corresponding connecting portions and at least one of the plurality of swords. The loom loom according to claim 1, wherein at least a part including the end of the balance shaft is integrally formed with at least one of the corresponding connecting portions and the adjacent locking shaft. The loom weaving machine according to claim 1 or 2, wherein at least a part including the end of the balance shaft and the integrally formed article are formed of cast iron or cast steel.

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