JP2949330B2 - Connection structure between heald frame and transmission member - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a loom,
The present invention relates to a connection structure between a heald frame and a transmission member that is driven and transmitted to an opening device, and relates to an improvement in a connection structure for easily attaching and detaching the heald frame and the transmission member.

[0002]

2. Description of the Related Art Hitherto, a structure for driving a heald frame for forming a shed of a weaving machine is variously configured depending on a fabric to be manufactured and specifications. For example, in the case of a specification capable of weaving at a high speed, as one method, a shedding device is mounted above the loom and a spring device for returning the heald frame driven between the shedding device and the heald frame is provided. . A wire rope of a flexible member is connected between the opening device and the spring device via a guide roll, and a rod is provided between the spring device and the heald frame to drive the heald frame. And one end of the wire rope is locked to the opening device by a locking metal,
The other end of the wire rope was fixed so that a screw portion formed on the spring device side of the wire rope could be adjusted to a lever of the spring device.

As another method, a structure is adopted in which an opening device is disposed below a loom, and a spring device is disposed above a loom. In this case, a wire rope is connected between the opening device and the spring device via a guide roll, and a rod is disposed between the spring device and the heald frame to drive the heald frame. And the screw part formed in the spring device side of the wire rope was adjustably fixed to the lever of the spring device.

[0004] However, usually, when changing the type of fabric, the heald frame may be removed from the loom, so that the heald frame and the opening device must be separated. In the conventional type, the heald frame and the rod are connected at an inner portion of the heald frame, and a plurality of heald frames are arranged side by side. In addition, the flexible wire rope has the property of extending over a long period of use with respect to the continuous movement of the heald frame, and the height of the heald frame changes from the initial setting. I have to adjust. Also in this case, since the adjustment of the wire rope is performed in the spring device arranged above the loom, the adjustment operation requires time.

[0005] The connection between the heald frame and the transmission member is simplified,
The removal work that occurs during the connection is made extremely easy,
FIGS. 7 and 8 show a structure improved so that the frame height can be easily adjusted.

This structure is disclosed in Japanese Patent Application Laid-Open No. 4-240239 and is an improvement of Japanese Patent Publication No. 3-72734.

The structure K includes a side plate 42 fixed to the vertical member 41 of the heald frame, and a transmission member 44 penetrating through a slot 42a formed in the side plate 42 in a vertical direction and connected to an opening device or the like. Is configured.

The transmission member 44 includes a transmission element 45 in which a screw portion 45 a is partially formed, and a screw portion 45 of the transmission element 45.
a cylindrical sleeve 46 formed so as to be screwed into the cylindrical plate 46, and a cylindrical thrust collar engaged with two vertical mortises 42 b, 42 b formed in the side plate 42 in the horizontal direction on the cylindrical sleeve 46. 47, 47 are formed.

[0009]

However, in the above structure K, although the mounting and dismounting of the transmission element 45 from the heald frame can be easily performed,
A transmission element 45 is provided at the center of the cylindrical thrust collar 47.
Is penetrated, the contact area between the cylindrical thrust collar 47 and the side plate 42 is reduced, and for long-term use,
Wear of the cylindrical thrust collar 47 or the side plate 42 is increased, and the parts must be frequently replaced. In order to increase the contact area, it is advantageous to increase the size of the cylindrical thrust collar 47 or the side plate 42. However, since the space between the heald frames is short, the size of each component is limited, and in order to solve this problem, In addition, a plurality of engaging portions must be formed, which leads to an increase in component costs.

When adjusting the height of the heald frame, the hexagonal contour formed at the upper end of the cylindrical sleeve must be turned with a tool such as a spanner, and is usually 12 m.
Workability is poor when working in a group of heald frames arranged side by side at m pitches.

Further, when the transmission element 45 (generally a wire rope is used in a depolarizing opening device) 45 is broken, the entire transmission member 44 including the cylindrical sleeve 46 must be removed from the opening device and replaced. No. At that time, it is necessary to adjust the frame height, and the work related to this is not easy.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and it is possible to simplify the work of attaching and detaching a transmission member from a heald frame, and to make it easy to adjust the height of the frame with less wear of parts. It is an object of the present invention to provide a connection structure between a heald frame and a transmission member that can be used.

[0013]

Means for Solving the Problems In the connection structure of the heald frame and the transmission member according to the present invention, in order to solve the above-mentioned problems, by increasing the contact area of the portion where the heald frame and the transmission member engage, It is an object of the present invention to improve a connection structure between a heald frame and a transmission member, wherein the heald frame is provided with a transmission member support on a side portion thereof, and is driven and transmitted to an opening device for continuously moving the heald frame. A coupling structure for a heald frame and a transmission member comprising a transmission member connectable to the frame, wherein the transmission member includes an upper transmission element, a lower transmission element, and the upper transmission element. wherein the connecting member disposed between the lower side transmission element is formed with a, the communication and
The binder has a substantially rectangular shape in a direction facing the transmission member support.
The upper transmission element and the lower transmission element.
Element is formed including a flexible member, respectively.
A rigid portion formed on at least one of the flexible members
A male screw portion is formed on each of the male screw portions,
It is screwed to the female thread top and formed in the lower portion of the body, before
The upper transmission element and the lower transmission
Engagement piece can be fitted so that it is located on the extension of the element's center line
The engaging piece is provided with the opening on both sides.
Formed with a horizontal surface in the fitting surface and the upper and lower surfaces, front
The transmission member support can be engaged with the upper and lower horizontal surfaces of the engagement piece.
It is characterized in that it is formed with a functional engagement opening .

Further, it is desirable that the engagement piece is provided so as to be vertically movable with respect to the connecting body.

[0015]

[0016]

[0017]

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an overall schematic view showing an opening mechanism of a loom of the present invention according to the present embodiment. An opening device 2 is disposed on a lower side surface of a loom 1 and spring devices 3A are provided on both upper sides of the loom 1. , 3B. Further, a plurality of heald frames 4 are arranged in the center of the loom 1 in the front-rear direction in the figure. One wire rope 6A as a transmission element is extended upward to the opening lever 5 of the opening device 1 via a guide roll 7, and a transmission member 9A including the wire rope 6A is connected to the upper right side of the heald frame 4 so as to be connected. It is connected to a swing lever 10A provided on the spring device 3A. The other wire rope 6B connected to the opening lever 5 is extended upward through the guide rolls 11 and 12, and the transmission member 9B including the wire rope 6B is connected at the upper left side of the heald frame 4. It is connected to a swing lever 10B provided in the spring device 3B.

On both sides of the heald frame 4, rope guides 13A and 13A for guiding and supporting the wire ropes 6A and 6B are provided.
3B is provided.

FIGS. 2 and 3 are a cross-sectional view and an exploded perspective view showing an embodiment of a connection structure between a heald frame and a transmission member, which is a main part of the present invention. FIG. 4 shows an AA cross section of FIG. In the following description, the connection structure between the heald frame and the transmission member is referred to as a structure 20, and the structures 20 include those arranged on both sides of the heald frame 4, so that the reference numerals are unified. For example, the swing levers 10A and 10B are simply the swing lever 10.

The structure 20 has a transmission member support 21 fixed to a side stay 15 as a vertical beam vertically disposed on the side of the heald frame 4 and is engageable with the transmission member support 21. And a transmission member 9.

A collar body 23 is fixed to the transmission member support 21 by pins 25 at an upper portion between the two plates 22 formed in a vertically long shape. Color body 23
Is formed so as to protrude outward from the plate 22 (the right side in FIG. 2), and an opening 24 having a horizontal surface on an upper surface 24a and a lower surface 24b is formed outward.
The lower part is fixed to the side stay 15 by being riveted with the side stay 15 therebetween.

As shown in FIG. 5, even if the transmission member support 21 is not formed integrally with the two plates 22 and the pins 25, the transmission member support 21 is formed by connecting one thick plate 27 to the upper surface of the side stay. To the opening 27 in the projection 27a.
It can also be formed with b.

The transmission member 9 is engaged below with the opening lever 5 of the opening device 2 and is associated with the wire rope 6 having a rigid portion on the side facing the opening lever 5 and the swinging lever 10 of the spring device 3 above. A wire rope 28 having a rigid body portion on the side facing the swing lever 10, a wire rope 6, and a connecting body 30 to which the wire rope 28 is connected. A connection frame 31 having a rectangular shape and a rectangular opening 32 formed in the center, an engagement piece 33 fitted into the opening 32, and an engagement piece 33 fixed to the connection frame 31. , A flat plate 34 disposed at the rear (right side in FIG. 3) of the engaging piece 33, and a bolt 35 for fixing the engaging piece 33 to the flat plate 34.

The engaging piece 33 has a flange portion 33a formed at a front portion (the left side in FIG. 3), and an inner surface of the flange portion is brought into contact with a front portion of the connecting frame body 31. 33b
Are fitted to both sides of the opening 32 of the connection frame 31 with substantially no gap, and are engaged movably in the vertical direction of the opening 32.

The flat plate 34 has a flange portion 34a formed at the rear portion (the right side in FIG. 3), and the inner surface of the flange portion 34a is in contact with the rear surface of the connection frame 31, and the small width portion 34 of the flat plate 34 is formed.
Both side surfaces of the opening b are loosely fitted to both side surfaces of the opening 32 of the connection frame body 31, and are arranged movably in the vertical direction of the opening 32 together with the engagement pieces 33.

The wire rope 6 is formed with a male thread 6a at the upper end of a rigid body formed on the connecting body 30 side, and is screwed to a female thread 31b formed at the lower end of the connecting frame 31 to form a nut. Locked by. In the wire rope 28, a male screw portion 28 a is formed at a lower end portion of a rigid body portion formed on the connecting body side 30 side, and is screwed to a female screw portion 31 a formed at an upper end portion of the connecting frame 31, and a nut is used. Locked.

In the structure 20 in which the transmission member 9 is engaged with the transmission member support 21, the upper surface 33 and the lower surface 33 of the engagement piece 33 fixed to the connecting body 30 are connected to the transmission member support. The opening 24 of the collar body 23 disposed at 21
The upper surface 24a and the lower surface 24b are contacted with almost no gap. The contact surface is located on an extension of the wire rope 6 and the wire rope 28 and the transmission member support 2
The portion of the one collar body 23 protruding from the plate 22 is configured to enter the opening 32 of the connection frame 31. There is no obstacle on the upper and lower surfaces of the engagement piece 33,
The thickness T of each collar body 23 can be increased in order to increase the contact area.

When the transmission member 9 is to be removed from the transmission member support 21, the connection member 30 is simply pulled out from the opening 24 of the transmission member support 21 while the engagement piece 33 is fixed to the connection frame 31. And the transmission member 9 is connected to the transmission member support 2.
1, it is only necessary to engage the engagement piece 33 of the connecting body 30 with the opening 24 of the transmission member support 21.

When adjusting the height of the heald frame 4, the bolt 35 of the connecting member 30 is loosened while the transmission member support 21 and the transmission member 9 are engaged, and the engaging piece 33 is connected to the connection frame member. 31
The required frame height can be adjusted by moving the frame vertically along the opening 32 of. At this time, since the tool can be inserted from behind the side of the heald frame 4 to loosen the bolt, the adjacent heald frame is not hindered and the work can be easily performed.

Further, when either the wire rope 6 or the wire rope 28 is damaged and replaced for any reason, conventionally, the rope has to be removed from the opening device 2 and the spring device 3. Structure of form 20
Since the wire rope is separated into two upper and lower wires, only the damaged portion of the wire rope can be replaced. Therefore, the work is greatly improved. In addition, the adjustment of the frame height at that time is performed by the female screw portion 31 a or 31 formed on the connection frame 31.
It is only necessary to adjust the insertion depth between the external thread b and the external thread 28a of the wire rope 28 or the external thread 6a of the wire rope 6.

The structure 20 thus constructed is pulled by the opening device 2 and returned by the spring device. This operation is performed continuously, and at high speed, 800
It will be operated at a speed of from rpm / m to 1000 rpm / m. The load generated at this time is received on the contact surface between the transmission member support 21 and the engaging piece 33 of the transmission member 9 in a straight line, and the size of the contact surface is greatly affected.

In this embodiment, the depolarizing type opening mechanism using the spring device is described. However, the present invention can be applied to a positive type opening mechanism without using the spring device. In this case, a rigid rod may be used as the transmission element connected to the opening device, and the transmission element on the opposite side of the connection body may not be used.

The design of each part used in the present embodiment can be freely changed without changing the gist of the present invention. For example, the connection frame 31 constituting the connection body 30 may be configured such that a block is fixed to the upper and lower ends between two plates and a female screw portion is formed in the block. The connection frame 31 is not rectangular. Alternatively, the opening may be provided in a substantially cylindrical shape.

The transmission member support 21 may be a single plate 27 as described above, and as shown in FIG. 6, two thin plates 22 and a pin 25 between the two plates 22 are crimped and integrated. It may just be formed.

[0037]

According to the connection structure of the heald frame and the transmission member of the present invention, the engagement between the transmission member supporting member disposed on the heald frame and the transmission member driven and transmitted to the opening device can be performed extremely easily. In addition, it is configured such that the contact surfaces that engage with each other are enlarged. That is, the transmission member is provided with a coupling body at an intermediate portion, and two upper and lower transmission elements are screwed to the coupling body so as to be detachable.
The body has an opening at the center in the direction facing the transmission member support
Are formed, and the fitting surface and the upper and lower surfaces are formed on both sides of the opening.
An engagement piece formed on a horizontal surface is mounted. And biography
The engagement opening formed in the moving member support is above the engagement piece.
It is mounted so as to engage with the lower surface. Therefore, by merely engaging or disengaging the engagement piece with the transmission member support, the transmission member support and the transmission member can be attached and detached, and the transmission member support of the engagement piece and Since there is no obstacle in the contact surface, the contact surface can be enlarged. As a result, the wear of the engaging portion is reduced, and it is possible to cope with long-term use. Moreover, up and down transmission
Since each element is screwed separately to the connector,
When replacing a transmission element due to damage to the transmission element,
By replacing the moving element, it can be done with easy work
You.

Further, in the connecting structure of the heald frame and the transmission member according to the present invention, the engaging piece can move up and down in the connecting member. Therefore, the height of the heald frame can be adjusted only by loosening the engagement piece and moving the heald frame up and down, so that the adjustment operation can be performed extremely easily.

[0039]

[Brief description of the drawings]

FIG. 1 is an overall view showing an opening mechanism employing a connection structure between a heald frame and a transmission member according to the present invention.

FIG. 2 is an assembled cross-sectional view of a connection structure of a heald frame and a transmission member according to an embodiment of the present invention.

FIG. 3 is an exploded perspective view of the same.

FIG. 4 is a sectional view taken along line AA in FIG. 2;

FIG. 5 is a view showing another embodiment of the transmission member support in FIG. 2;

FIG. 6 is a view showing another embodiment of the transmission member support in FIG. 2;

FIG. 7 shows a conventional connection structure between a heald frame and a transmission member.

FIG. 8 is an exploded perspective view of FIG. 7;

[Explanation of symbols]

 Reference Signs List 2 opening device 3 spring device 4 heald frame 6 wire rope (lower transmission element) 9 transmission member 20 structure 21 transmission member support 24 opening 28 wire rope (upper transmission element) 30 ... Connected body 32 ... Opening part 33 ... Engagement piece

Claims (2)

(57) [Claims] 1. A heald frame on which a transmission member support is disposed on a side portion, and a transmission which is driven and transmitted to an opening device for continuously moving the heald frame and is connectably disposed to the heald frame. A connection structure between the heald frame and the transmission member, the transmission structure being provided with an upper transmission element, a lower transmission element, and a lower transmission element disposed between the upper transmission element and the lower transmission element. And a connecting member disposed, and the connecting member is formed substantially in a direction facing the transmission member support.
The upper transmission element and the lower transmission element each have a rectangular opening.
The flexible member is formed including a flexible member.
Male thread is formed on at least one of the rigid parts
And each of the male screw portions is an upper portion and a lower portion of the connection body.
The upper transmission element and the lower transmission are screwed into female threads formed in
Engagement piece is fitted so that it is located on the extension of the center line of the element
The engagement piece is provided on both sides with a fitting surface with the opening and an upper surface.
And the lower surface has a horizontal surface, and the transmission member support is engaged with the upper and lower horizontal surfaces of the engagement piece.
A connection structure between a heald frame and a transmission member, wherein the connection structure is formed with a possible engagement opening . 2. The apparatus according to claim 1, wherein said engaging piece is disposed so as to be vertically movable with respect to said connecting body.
Connection structure between the heald frame and the transmission member described in the above.