KR19990013464A - Weft device in repier loom - Google Patents

Abstract

The present invention is to provide a delivery head for the delivery (easy) to easily set the shape of the inclined guide portion having a smooth thread (warp thread) guide action, the delivery head is a guide frame 13 and , The holding mechanism 14 is fixedly mounted to the guide frame (13). The guide frame 13 is provided on the lower wall 15, the erected wall 16 erected on one side of the lower wall 15, the side wall 17 erected on the other side of the lower wall 15, and the side wall 17. It consists of an upper wall 18 connected to the lower wall 15 and a drooping wall 19 lowered from the upper wall 18. On the side wall 17, the inclined guide rim 171 and the drooping wall 19 are continuously connected to the weft guide rim 191 through the front edge 182 and the position regulating recess 183 of the upper wall 18. It is.

Description

Weft encasement device in piercing loom

The present invention relates to a repier head for delivery of a wefting device in a repier loom.

(Conventional technology)

A donor head (here, a transmission head) disclosed in Japanese Unexamined Patent Publication No. 4-214439 has a main body (guide frame in the main body) consisting of a base and a pair of side walls. The gripper for holding the weft yarn is fixedly mounted on the base, and the weft yarn guided along the upper edge of the pair of side walls is introduced to the gripping portion of the gripper. The gripper has a thread deflection pin mounting rigid clamp jaw and an elastic tongue, and the weft is gripped between the rigid clamp jaw and the elastic tongue. The tip of the rigid clamp jaw guides the weft to the gripping site. In the conventional apparatus, a weft guide indicated by reference numeral 10 or 19 on the specification is required on the side opposite to the rigid clamp jaw in terms of function.

However, the rigid clamp jaw of the thread deflection fin mounting is separate from the main body. Therefore, it is difficult to set the shape of the main body for smoothly shifting the inclined guide action by the upper edge of one side wall to the inclined guide action by the tip of the rigid clamp jaw. In addition, when the weft guide is installed on the side wall or the partial upper wall (looping over), it is difficult to process the side wall edge or the upper wall edge, and when the contact with the inclined, the inclined cutting or loosening due to the occurrence of excessive abrasion and resistance There is a problem that the cutting of the inclination due to entering the lower side of the upper wall occurs.

An object of the present invention is to provide a delivery head for the easy setting of the inclined guide portion having a smooth inclined guide action.

(Means to solve the task)

To that end, in the invention of claim 1, a guide frame is made up of a side wall positioned on the reed side, a lower wall connected to the side wall, and an upper wall for warp thread guiding, and predetermined on the side wall. It is arranged at the front side of the weaving machine at intervals of and constitutes an outer wall of the delivery head of the repier head by a establishing wall connected to the lower wall, and is connected to the upper wall between the side wall and the establishing wall, and further to the lower wall side. Towards downward, the medallion forms a dangle low wall for guiding the weft, and a gripping mechanism is provided between the establishing wall and the dripping wall to hold the weft.

In the invention of claim 2, a weft position regulating portion formed in a concave shape is provided at a frame position above the lower wall.

In the invention according to claim 3, the front edge of the loom front side of the upper wall is formed with a branching point for guiding the inclination upward and guiding the weft yarn downward.

In the invention of claim 4, a weft guide frame is provided on the lower edge of the drooping wall.

In the invention of claim 5, the weft guide rim is formed in a shape curved to the frame side from the lower end of the drooping wall.

In the invention according to claim 6, the guide frame and the establishing wall are separately formed, and at the same time, the mounting frame extending on the lower wall side is formed on the establishing wall, and the guide frame is fixedly mounted to the guide wall. The establishment wall is integrated.

In the invention of claim 7, the mounting piece of the establishing wall is placed on the lower wall of the guide frame and fixedly mounted.

In the invention of Claim 8, the mounting piece of the said establishment wall was arrange | positioned and fixed to the lower side of the lower wall of the said guide frame.

In the invention of claim 9, a space is interposed between the lower wall of the guide frame and the mounting piece of the establishing wall.

In the invention according to claim 10, a surface-forming plate is attached to the lower side of the guide frame or the lower side of the mounting piece of the establishing wall facing the sleigh or guide member provided along the loom width direction.

In the invention of claim 11, a guide frame composed of at least the wall side, the bottom wall, and the top wall is formed by bending a single metal plate.

In the invention according to claim 12, the guide frame and the drooping wall are formed by bending of a single metal plate.

In the invention according to claim 13, the weft guide edges of the guide frame, the drooping wall, and the bottom of the drooping wall are formed by bending of a single metal plate.

In the invention according to claim 14, the guide frame, the drooping wall and the establishing wall are formed by bending of a single metal plate.

In the invention of claim 15, the guide frame, the drooping wall, the weft guide frame and the establishing wall at the bottom of the drooping wall are formed of precision cast steel or powder gingiva.

In the invention according to claim 16, the weft guide rims of the guide frame, the drooping wall and the bottom of the drooping wall are formed by bending of a metal plate, and the establishing wall is formed of precision cast steel or powder plaque.

In the invention according to claim 17, the mounting sheet of the holding mechanism is integrally formed over the mounting wall, the mounting piece of the establishing wall, or both.

In invention of Claim 18, the protrusion part for reinforcement was formed in a part of said upper wall.

1 is a perspective view showing a first embodiment of the present invention.

2A is a front view of the first embodiment.

2B is a side view of the first embodiment;

3A is a front view of the first embodiment.

3B is a cross-sectional view taken along the line A-A of FIG. 2B.

3C is a cross-sectional view taken along the line B-B in FIG. 2B.

4A is a plan view showing a second embodiment.

4B is a cross-sectional view taken along the line E-E in FIG. 4A.

5A is a plan view showing a third embodiment.

Fig. 5B is a front view showing the third embodiment.

5C is a cross-sectional view taken along the line F-F in FIG. 5A.

6A is a side view showing a fourth embodiment.

6B is a front view showing the fourth embodiment;

6C is a cross-sectional view taken along the line C-C in FIG. 6A.

FIG. 6D is a cross-sectional view taken along the line D-D of FIG. 6A. FIG.

7A is a front view showing the fifth embodiment.

Fig. 7B is a longitudinal sectional view showing the fifth embodiment.

8 is a perspective view showing a sixth embodiment;

9A is a front view of FIG. 8.

9B is a longitudinal cross-sectional view of FIG. 8.

10A is a front view showing the seventh embodiment.

10B is a longitudinal sectional view showing the seventh embodiment.

(Explanation of symbols for the main parts of the drawing)

12: transfer head 13, 23, 24, 27, 30: guide frame

15: bottom wall 152: shear border

16, 22, 28, 31: establishing wall

161: weft guide border that is part of the slope guide border

17 side wall 171 inclined guide frame

173: weft guide border 18: upper wall

181: inclined guide surface 182: shear edge

183: Position regulating recessed portion serving as position weft position regulating portion

184: front edge 185, 221, 281, 311: mounting piece

186, 187: protrusion 19: submerged wall

191: weft guide rim 21: cotton-day forming plate

151, 222: mounting sheet 29: spacer

A first embodiment of the present invention is described below with reference to Figs. 1 to 3C.

Reference numeral 11 shown in Fig. 1 is a repetition band wound around a wheel, not shown, and the transmission repier head 12 fixed to the tip of the repetition band 11 is inclined by the reciprocating rotation of the wheel (T). Enter and exit with respect to the opening.

As shown in FIG. 2A and FIG. 2B, the delivery rapier head 12 includes a guide frame 13 and a gripping mechanism 14 fixed to the guide frame 13. As shown in FIG. 3A and FIG. 3B, the pannier 14 press-bonds the fixed gripping piece 141, the movable gripping piece 142 capable of bending deformation, and the movable gripping piece 142 to the fixed gripping piece 141. It consists of a leaf spring (143). The fixed gripping piece 141, the movable gripping piece 142, and the leaf spring 143 are tied together in the above order and fixed to the guide frame 13 with screws.

The guide frame 13 has a lower wall 15, a establishing wall 16 placed on one side of the lower wall 15 (that is, the front side of the fabric of the woven fabric), and the other side of the lower wall 15 (that is, the slay 10). A side wall 17 placed on the upper side of the frame 20, an upper wall 18 connected to the side wall 17 to face the lower wall 15, and a drooping wall 19 received from the upper wall 18. ) As shown in FIG. 3C, the rare band 11 is screwed to the proximal end of the lower wall 15. The mounting sheet 151 is fixedly mounted on the upper surface of the lower wall 15, and the holding mechanism 14 is screwed to the mounting sheet 151. The surface forming plate 21 is fixed to the lower surface of the lower wall 15. The lower surface of the surface forming plate 21 and the lower surface of the repetitive band 11 become surface, and smoothness of the inclined guide is secured on the lower surface side of the lower wall 15.

At the upper edge of the establishing wall 16, weft guide rims 161 and 162 which are raised and lowered at the tip side and horizontal weft guide rims 163 are formed. Ascending weft guide rim 161 is also a sloped guide rim. Weft guide rim 191 is formed on the lower edge of the drooping wall 19. The weft guide rim 191 has a curved shape on the side wall 17 side at the lower end side of the drooping wall 19. The weft yarn (Y) is guided to the gripping portion between the fixed gripping piece (141) and the movable gripping piece (142) by the weft guide rims (161, 162, 191).

Inclined guide edges 171 and 172 which are spaced apart from each other on the top and bottom edges on the tip side of the side wall 17 are formed. The side wall 17 is guided along the inclined guide borders 171 and 172 to incline the up and down inclination T, which performs the opening and closing operation. The inclined guide action by the inclined guide edge 172 is continued by the inclined guide action by the front edge 152 of the lower wall 15 and the lower surface of the face forming plate 21.

On the upper edge of the side wall 17, a concave weft guide rim 173 is continuously formed on the inclined guide rim 171. The weft guide rim 173 cooperates with the weft guide rims 161 and 191 to guide the weft yarn Y to the gripping portion of the gripping mechanism 14. The front edge 182 of the upper wall 18 is provided with a position regulating recess 183 as a weft position regulating portion. The weft yarn Y in the gripped state by the gripping mechanism 14 is locked to the position regulating recess 183, and the gripping path of the weft yarn Y in the gripped state by the gripping mechanism 14 is located in the position regulating recess. Regulated by 183.

Guide frame 13 is formed by bending a single metal plate, the weft guide border 161 of the establishing wall 16, the front edge 152 of the lower wall 15, the inclined guide border of the side wall 17 ( 172, 171, the weft guide rim 173 of the side wall 17, the front rim 182 of the top wall 18, and the weft guide rim 191 of the drooping wall 19 are connected in series.

Therefore, the inclination T is regulated by the weft guide rim 161 and the inclination guide rim 171 to be guided upward from the position of the front rim 184, and reaches the inclination guide rim 181. In addition, the weft yarn (Y) is regulated by the weft guide frame 161 and the weft guide frame (173) is guided downward from the position of the front edge 184, and also leads to the weft guide frame (191). That is, the foremost edge 184 serves as a diverging point for dividing the guide direction between the inclination T and the weft yarn Y.

Pepier head 12 for holding the weft yarn (Y) meets the receiving head (not shown) for receiving at the center of the loom width, the weft yarn (Y) held on the delivery head (12) It is transmitted to a receiving head for the entry between the side wall 17 and the drooping wall 19.

In the first embodiment, the following effects are obtained.

(1-1) The front edge 182 of the upper wall 18 is the front border of the inclined guide surface 181, the front edge 184 of the front edge 182 is the weft guide border of the drooping wall 19 It is also the front boundary of (191). The inclined guide rim 171 and the weft guide rim 191 of the drooping wall 19 on the side wall 17 are continuously connected through the front rim 182 and the position regulating recess 183 of the upper wall 18. It is. Therefore, when the weft yarn Y passes through the lower side of the front rim 184 in the case of catching the weft yarn Y by the delivery piercing head 12, the weft yarn Y is formed by the holding mechanism 14. Guided to the gripping site and position restriction recess 183 is reliably guided. Further, when the inclination T passes through the upper side of the front edge 184, the inclination T is reliably and smoothly on the inclined guide surface 181 of the upper wall 18 on the inclined guide edge 171 of the side wall 17. To fulfill.

The front, rear, left and right positions of the front edge 184 in the advancing direction of the delivery rapier head 12 are the weft guide frame 161, the inclined guide frame 171, and the weft guide frame 173. If it is set with an appropriate positional relationship, the inclination guide and the weft guide in the transmission head 12 are inclined guide frame 171, weft guide frame 173, shear frame 182, front edge ( 184 and the weft guide rim 191 is performed smoothly by a continuous connection configuration. Therefore, an appropriate setting is required for the positional relationship between the front rim 184, the weft guide rim 161, the inclined guide rim 171, and the weft guide rim 173, and in particular, the front rim 184 and the weft guide. The positional relationship with the edge 161 is shorter than that of the other, so a strict setting is required, but each guide edge 161, 171, 173 and the curved edge of the front edge 182, which are part of the inclined guide portion, are required. High degree of freedom of setting For this reason, the shape setting of the guide part of the inclination and the weft in the delivery rapier head 12 becomes easy, and also the smooth inclination guide is ensured.

(1-2) The guide frame 13 is formed by bending one metal plate. The integral formation of the guide frame 13 by the metal plate facilitates the formation of the guide frame 13.

Next, the second embodiment of FIGS. 4A and 4B will be described. The same code | symbol is written together in the same structural part as 1st Example.

In the guide frame 24 in the present embodiment, the drooping wall 25 and the upper wall 26 are integrally formed separately from other guide frame forming portions. The drooping wall 25 and the upper wall 26 are formed by bending a metal plate, and the upper wall 26 is fixedly mounted to the mounting piece 185 integrally formed on the side wall 17. In addition, the upper wall 26 and the drooping wall 25 can also be formed from powder cast metals, such as precision cast steel, such as Lostworks, and the method of sintering, injection molding, and injection molding annealing.

In the second embodiment, the following effects are obtained.

(2-1) The structure in which the establishing wall 16 and the drooping wall 25 are separately facilitated the manufacture of the guide frame 24 and the drooping wall 25. In addition, by dividing the front rim 184 and the weft guide rim 161 which requires strict proper setting for the positional relationship, the two pieces can be fixedly mounted and integrated even when an error of position occurs in manufacturing. The error can be corrected at the time and the production of the product can be improved.

(2-2) The side wall and the lower wall are formed by powder sintering such as precision cast steel such as Lostworks, or sintering, injection molding and injection molding sintering. When molded separately, the positions of the top, bottom, front and rear, left and right of the upper wall 26 can be adjusted at the time of the fixed mounting assembly for integration, and positional errors occurring during manufacturing can be absorbed.

Next, the third chamber tl example of FIGS. 5A to 5C will be described. The same components as those in the first embodiment are denoted by the same reference numerals.

In the guide frame 27 in the present embodiment, the establishing wall 28 is formed by bending the metal plate. A spacer 29 is fixedly mounted on the lower surface of the lower wall 15, and the establishing wall 28 is fixedly mounted on the lower surface of the spacer 29 via the mounting piece 281. Although the thickness of the metal plate of the establishment wall 28 is the same as the thickness of the metal plate of the lower wall 15, the thickness of the rapier band 11 fixedly mounted on the lower surface of the lower wall 15 is slightly larger than the thickness of these metal plates. The thickness of the spacer 29 is equal to the thickness difference between the lower wall 15 and the mounting piece 281. Therefore, the lower surface of the attaching piece 281 and the lower surface of the rapier band 11 become planar. In addition, the spacer 29 is required when the thickness of the lower wall 15 and the mounting piece 281 matched is thinner than the thickness of the rare band 11.

In the third embodiment, the following effects are obtained.

(3-1) The structure which separates the establishment wall 28 provided with the mounting piece 281 which serves as the surface forming plate 21 in 1st Example, and another guide frame formation part separately is a guide frame ( 27) to facilitate the production.

(3-2) By dividing the front rim 184 and the weft guide rim 161 which require strict titration for the positional relationship, and making them separately, the two are fixedly mounted even when an error of position occurs in manufacturing. The error can be corrected when integrated, and the production of the product can be improved.

Next, the fourth embodiment of Figs. 6A to 6D will be described. The same components as those in the first embodiment are denoted by the same reference numerals.

In the guide frame 23 according to the present embodiment, the establishing wall 22 is formed separately from powder cast such as precision cast steel such as lost wax, sintering molding, injection molding and injection molding sintering. The establishing wall 22 is fixedly mounted on the upper surface of the lower wall 15 via the mounting piece 221. The mounting sheet 222 is integrally formed on the upper surface of the mounting piece 221, and the holding mechanism 14 is attached to the mounting sheet 222.

In the fourth embodiment, the following effects are obtained.

(4-1) In comparison with the case where the guide frame 13 is integrally formed, the configuration in which the establishing wall 22 and the other guide shaping forming parts are separately provided for the production of the guide frame 23 and the drooping wall 25. To facilitate. In addition, when the front edge 184 and the weft guide rim 161 are manufactured separately by dividing the front edge 184, which requires a strict proper setting for the positional relationship, when two members are fixedly mounted and integrated, The error can be corrected and the life of the product can be improved.

(4-2) The angled establishing wall 22 may be formed by precision cast steel, such as lost wax, or powder sintering such as sintering, injection molding, injection molding and sintering. The holding mechanism 14 may be formed. The mounting sheet 222 for fixing as a screw can also be integrally formed by precision cast steel, such as Lost Works, or powder sintering such as sintering, injection molding and injection molding sintering. Therefore, the structure in which the establishment wall 22 is set separately can make shape setting suitable for the case where the establishment wall 22 is made to be attached to the holding mechanism 14.

(4-3) Formation of the mounting sheet 222 for mounting the holding mechanism 14 is facilitated.

Next, the fifth embodiment of FIGS. 7A and 7B will be described. The same reference numerals are given to the same components as in the third embodiment.

In the guide frame 30 according to the present embodiment, the establishment wall 31 is formed separately from powder molten metal, such as the method of sinter molding, sintering, injection molding, injection molding and the like, such as Lost Works, The mounting piece 311 of the establishing wall 31 is fixedly mounted on the lower surface of the lower wall 15. The thickness of the mounting piece 311 is equal to the thickness of the rare band 11 larger than the thickness of the wall 31, and the lower surface of the mounting piece 311 and the lower surface of the rare band 11 are one side. It is. The mounting sheet 151 is integrally formed on the upper surface of the mounting piece 311 of the establishing wall 31, and the holding mechanism 14 is mounted on the mounting sheet 151.

In the fifth embodiment, the following effects are obtained.

(5-1) The structure which separates the establishment wall 31 provided with the mounting piece 311 which also functions as the surface work forming plate 21 in 1st Example, and another guide frame forming part separately is a guide frame ( 30) to facilitate the production. In addition, by dividing the front rim 184 and the weft guide rim 161, which requires strict titration in the position gyre, and separately manufacturing the two, the two parts are fixedly mounted and integrated. It is possible to compensate for errors in the herd and improve the production of the product.

(5-2) It is preferable to form the forming wall 31, which is an integral body having a different plate thickness depending on the place, by means of door rolling such as precision cast steel such as Lost Works, or sintering, injection molding and injection molding sintering. .

(5-3) By integrally forming the establishing wall 31, the surface work forming plate 21, and the mounting sheet 151, the number of parts is reduced, reliability is improved, and the price is also advantageous. Do.

Next, the sixth embodiment of Figs. 8, 9A and 9B will be described. The same code | symbol is written together in the same structural part as 1st Embodiment.

In the present embodiment, the protrusion 186 is integrally formed on the upper wall 18 so as to protrude upward. The protruding portion 186 extends along the longitudinal direction of the delivery rapier band 12 so as to include the position regulating concave portion 183 when viewed in the width direction of the rapier band 11. Since the top wall 18 has the position restriction recess 183, the front end side of the top wall 18 is easy to bend. If the front end side of the upper wall 18 is bent, the vertical position of the front rim 184 is changed, and there is a fear that a smooth division between the warp and the weft is not possible. The protruding portion 186 is a reinforcing portion which prevents such warping of the upper wall 18.

The protrusion 186 can be formed by squeeze when the upper wall 18 is bent and molded. In the case where the upper wall 18 is formed of precision cast steel or powder molten metal, the protrusion 186 can be formed by integral molding as a pattern.

Next, the seventh embodiment of FIGS. 10A and 10B will be described. The same components as those in the sixth embodiment are denoted by the same reference numerals.

In this embodiment, the protrusion 187 is integrally formed on the upper wall 18 so as to protrude upward. The protruding portion 187 extends along the longitudinal direction of the delivery rapier band 12 so as to include the position regulating recess 187 in the width direction of the rapier band 11. The protruding portion 186 is a reinforcing portion which prevents warping of the upper wall 18 similarly to the protruding portion 186 in the sixth embodiment.

The protruding portion 187 can be formed by squeezing the upper wall 18 when the metal plate is bent and molded. In the case where the upper wall 18 is formed of precision cast steel or powder molten metal, the protrusion 187 can be formed by integral molding as a pattern.

As described above, in the present invention, since the inclined guide rim on the side wall of the guide frame and the weft guide rim on the drooping wall are connected through the front edge of the upper wall, the inclined guide rim has a smooth inclination guiding action, and there is a fear of cutting the inclined. It is an excellent effect that can be configured to eliminate the delivery head.

In addition, since the thread deflection fins are integrally formed at the lower edge of the drooping wall connected to the upper wall of the head, there is no need to install the thread deflection pins on the gripping mechanism of the weft yarn as in the conventional apparatus, While the holding mechanism can be used as it is, the positional relationship between the front edge, the weft guide rim and the inclined guide rim does not change, and the mounting position of the holding mechanism can be deflected freely, and the position of the holding of the weft is the most stable. The gripping mechanism can be mounted.

Claims (18)

It is inserted into a warp thread opening according to the sleigh 10 or the guide member provided with the transfer head 12 and the transfer head which are provided with the weft holding mechanism in the width direction of the loom, respectively. A repier loom that transfers the weft yarn (Y) from the repier head (12) to the receiving repier head, and then retreats the repier head (12) and the receiving repier head out of the inclined opening to weft the weft yarn (Y). In the weft in the device, A guide frame (13) comprising a side wall (17) located at the reed side (20), a lower wall (15) connected to the side wall (17), and an upper wall (18) for inclined guide, The outer wall of the delivery rapier head 12 is constituted by the establishing wall 16 which is disposed at the front side of the loom at predetermined intervals on the side wall 17 and connected to the lower wall 15. It is connected to the upper wall 18 between the side wall 17 and the establishing wall 16, and further forms a drooping wall 19 for weft guide, which hangs down toward the lower wall 15 side. A wefting device in a repier loom in which a holding mechanism (14) for holding a weft yarn (Y) is provided between a building wall (16) and a dangle low wall (19). The weft weaving device according to claim 1, wherein a weft weaving position regulating portion (183) provided in a concave shape is formed at a frame position above the lower wall (15). The front edge 184 according to claim 1 or 2, wherein the front edge 184 is formed of a branching point for guiding the inclined T to the upper end of the loom front side of the upper wall 18 and guiding the weft Y to the lower side. Weft filling device in the repier loom which formed the. The weft putting device according to claim 1, wherein a weft guide frame (191) is provided at a lower edge of said drooping wall (19). The weft weaving device according to claim 4, wherein the weft guide frame (191) is formed in a shape in which the weft guide frame (191) is curved from the lower end of the drooping wall (19) to the frame side (20). The method of claim 1, wherein the guide frame 13 and the establishment wall are separately formed, and at the same time, the mounting pieces 22, 28 are provided with mounting pieces 221, 281 extending to the lower wall 15 side. The wefting device in the rapier loom which integrated the said guide frame (23, 27) and the establishment wall by fixing and mounting the said lower wall (15) and a mounting piece (221, 281). The wefting device according to claim 6, wherein the mounting piece (221) of the establishing wall (22) is disposed on and fixed to the lower wall (15) of the guide frame (23). 7. The wefting device according to claim 6, wherein the mounting piece (281) of the establishing wall (28) is disposed on the lower side of the lower wall (15) of the guide frame (27) to be fixed and mounted. The repier loom according to claim 7 or 8, wherein a spacer 29 is interposed between the lower wall 15 of the guide frame 27 and the mounting piece 281 of the establishing wall 28. , Wefting device. 2. The surface of the lower surface 15 of the guide frame 13 or the lower side of the mounting piece of the erecting wall formed in the loom width or guide member provided along the loom width direction. Weft putting device in the rapier loom which attached plate 21. The wefting device according to claim 1, wherein a guide frame (13) comprising at least the wall side (17), the bottom wall (15), and the top wall (18) is formed by bending a single metal plate. The wefting device according to claim 1, wherein the guide frame (13) and the drooping wall (19) are formed by bending a single metal plate. The wefting device according to claim 1, wherein the guide frame (13), the drooping wall (19), and the weft guide frame (191) at the lower end of the drooping wall are formed by bending a single metal plate. The wefting device according to claim 1, wherein the guide frame (13), the drooping wall (19), and the establishing wall (16) are formed by bending a single metal plate. The wefting device according to claim 1, wherein the weft guide frame and the establishing wall (16, 22) of the guide frame, the drooping wall, the bottom of the drooping wall are formed of precision cast steel or powder lattice. According to claim 1, wherein the guide frame 23, the drooping wall 19 and the weft guide frame 191 at the bottom of the drooping wall 19 is formed by bending of a metal plate, and the establishing wall 22 is precision cast steel Or the weft injecting apparatus in the rapier loom formed from powder gingiva. 17. The mounting wall 22 or the mounting piece 221 of the establishing wall 22, or both, is integrally formed with the mounting sheet 222 of the holding mechanism 14. Weft putting device in one rapier loom. The wefting device according to claim 1, wherein a part of the upper wall (18) is provided with a reinforcing protrusion (186, 187).