JPH09250046A - Joining structure of held frame with transmitting member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joining structure of a held frame with a transmitting member, capable of making the mounting and demounting work of the held frame to and from the transmitting member easy, reducing the wear of parts, and also enabling the adjustment of the height of the held frame extremely easy. SOLUTION: This joining structure of a held frame with a transmitting member, is obtained by arranging a supporting body 21 for the transmitting part on a side stay 15 of the held frame and a collar body 23 formed with an opening part 24 at the supporting body 21 for the transmitting member, and connecting a connecting piece 33 of the transmitting member 9 driven and transmitted by an opening device, arranging a joint body 30 between a wire rope 6 and a wire rope 28 at the transmitting member 9, arranging and fixing the connecting piece as freely up and down transferrable in the opening part formed in a joining frame 31 of the joining body 30. Thus, by only connecting or disconnecting the transmitting member 9 to the opening part 24, to which the connecting piece 33 is fixed, of the supporting body 21 for the transmitting member, the mounting or demounting of the held frame becomes possible.

Description

Detailed Description of the Invention

[0001]

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

[0002]

2. Description of the Related Art Conventionally, a structure for driving a heddle frame for forming a shed of a loom has various structures depending on the fabric to be manufactured and specifications. For example, in the case of specifications that can be woven at high speed, one method is to place the shedding device above the weaving machine and arrange a spring device for returning the driven heddle frame between the shedding device and the heddle frame. . 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 arranged between the spring device and the heddle frame to drive the heddle frame. Then, one end of the wire rope is locked to the opening device by a locking metal fitting,
The other end of the wire rope is adjustably fixed to a lever of the spring device by a screw portion formed on the spring device side of the wire rope.

As another method, a structure in which the shedding device is arranged below the loom and the spring device is arranged above the loom is adopted. In this case, a wire rope 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 heddle frame to drive the heddle frame. The threaded portion formed on the spring device side of the wire rope is adjustably fixed to the lever of the spring device.

However, when the kind of fabric is changed, the heald frame is usually removed from the loom, and therefore the heald frame and the shedding device must be separated. In the conventional type, the heddle frame and the rod are connected at the inner part of the heddle frame, and a plurality of heddle frames are arranged side by side, so that the removal work is quite troublesome. In addition, the flexible wire rope has the property of stretching for continuous movement of the heddle frame over a long period of use, and the height of the heddle frame changes from the initial setting. Must be adjusted. Even in this case, since the adjustment of the wire rope is performed in the spring device arranged above the loom, the adjustment work takes time.

The connection between the heald frame and the transmission member is simplified,
It makes the removal work that occurs during the connection extremely easy,
An improved structure for facilitating frame height adjustment is shown in FIGS.

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

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

The transmission member 44 has a transmission element 45 in which a screw portion 45a is partially formed, and a screw portion 45 of the transmission element 45.
and a cylindrical sleeve 46 formed so as to be screwed into a, and the cylindrical sleeve 46 engages with upper and lower two-step mortises 42b, 42b horizontally formed in the side plate 42. 47, 47 are formed.

[0009]

However, in the structure K described above, although the transmission element 45 can be easily attached and detached from the heddle frame,
The cylindrical thrust collar 47 has a transmission element 45 at its center.
Since it penetrates, the contact area between the cylindrical thrust collar 47 and the side plate 42 becomes small, and for long-term use,
The wear of the cylindrical thrust collar 47 or the side plate 42 is accelerated, and the parts must be frequently replaced. In order to increase the contact area, it is advantageous to increase the cylindrical thrust collar 47 or the side plate 42, but the size of each component is limited due to the short space between the heald frames, and in order to solve this problem, However, it is necessary to form a plurality of engaging portions, which leads to an increase in component cost.

When adjusting the height of the heddle frame, the hexagonal contour portion 48 formed on the upper end of the cylindrical sleeve is used.
Must be rotated with a tool such as a wrench, usually 1
Workability is poor to work in a heddle frame group arranged in parallel at a pitch of 2 mm.

If the transmission element (generally, a wire rope is used in the depolarizing opening device) 45 is damaged, the entire transmission member 44 including the cylindrical sleeve 46 must be removed from the opening device or the like and replaced. I won't. At that time, it is necessary to adjust the frame height, and the work related to this is not easy at all.

The present invention is to solve the above-mentioned problems, and to simplify the work of mounting and removing the transmission member from the heddle frame, to reduce the wear of parts, and to adjust the frame height very easily. An object of the present invention is to provide a connection structure between a heald frame and a transmission member that can be manufactured.

[0013]

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, A heddle frame for improving the connection structure of a heddle frame and a transmission member, and a heddle frame in which a transmission member support is disposed on a side, and a heddle driven and transmitted to an opening device for continuously moving the heddle frame. A connecting structure of a heald frame and a transmission member configured to include a transmission member that is connectable to a frame, wherein the transmission member includes an upper transmission element, a lower transmission element, and the upper transmission element. And a connection body disposed between the lower transmission element and the lower transmission element, and the transmission is located on the extension of the center line of the upper transmission element and the lower transmission element. An engaging piece that can be engaged with the member support is provided. It is an feature.

Further, it is desirable that the engaging piece of the connecting body is arranged so as to be movable in the vertical direction with respect to the connecting body.

Further, each of the upper transmission element and the lower transmission element is formed to include a flexible member, and a rigid body portion formed on at least one of the flexible members has a male screw portion, and the male screw is provided. It is more preferable that the portion is screwed to a female screw portion formed on the connecting body.

Preferably, an opening is formed horizontally in the transmission member support toward the outside of the heald frame, and the engagement piece of the connector is engaged with the opening with substantially no gap. What is characterized is that they are combined.

Further, one of the transmission elements of the transmission member is connected to the opening device, and the other transmission element is connected to a spring device for returning the heald frame driven by the opening device. It may be characterized by that.

[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 this embodiment. An opening device 2 is arranged on a lower side surface of the loom 1, and spring devices 3A are arranged on both upper side portions of the loom 1. 3B are arranged. Further, in the central portion of the loom 1, a plurality of heald frames 4 are arranged side by side in the front-back direction in the drawing. One wire rope 6A as a transmission element is extended upward through the guide roll 7 to the opening lever 5 of the opening device 1, and a transmission member 9A including the wire rope 6A is connected at the upper portion of the right side surface of the heddle frame 4. It is connected to a swing lever 10A arranged in 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 part of the left side surface of the heddle frame 4. It is connected to a swing lever 10B arranged in the spring device 3B.

On both sides of the heddle frame 4, rope guides 13A, 1A for guiding and supporting the wire ropes 6A, 6B are provided.
3B is provided.

2 to 3 are a sectional view and an exploded perspective view showing an embodiment of a connecting structure of a heald frame and a transmission member, which is a main part of the present invention. Further, FIG. 4 shows an AA cross section of FIG. In the following description, the connecting structure of the heddle frame and the transmission member is referred to as a structure 20, and since the structure 20 includes ones arranged on both sides of the heald frame 4, the reference numerals are unified. For example, the swing levers 10A and 10B are simply the swing lever 10.

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

On the transmission member support body 21, a collar body 23 is fixed by a pin 25 to an upper portion between two vertically long plates 22 and 22. Color body 23
Is formed so as to project outward (to the right in FIG. 2) from the plate 22, and an opening 24 having an upper surface 24a and a lower surface 24b having horizontal surfaces is formed toward the outside.
The lower portion thereof is fixed to the side stay 15 by being caulked with the rivets with the side stay 15 interposed therebetween.

Incidentally, as shown in FIG. 5, the transmission member support 21 does not need to be integrally formed with the two plates 22 and the pins 25, but one thick plate 27 is provided on the upper surface of the side stay. Attached to the opening 27 in the protrusion 27a.
It can also be formed with b.

The transmission member 9 is engaged with the opening lever 5 of the opening device 2 downward, and is engaged with the wire rope 6 having a rigid portion on the side facing the opening lever 5 and the swing lever 10 of the spring device 3 upward. It is configured to include a wire rope 28 that is stopped and has 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. In order to fix the connecting frame body 31, which is formed in a rectangular shape and has a rectangular opening portion 32 formed in the central portion, the engaging piece 33 fitted in the opening portion 32, and the engaging piece 33 to the connecting frame body 31. In addition, a flat plate 34 disposed on the rear portion (right side in FIG. 3) of the engagement piece 33 and a bolt 35 that fixes the engagement piece 33 and the flat plate 34 are provided.

The engaging piece 33 has a flange portion 33a formed at the front portion (left side in FIG. 3), and the inner surface of the flange portion is brought into contact with the front portion of the connecting frame body 31, so that the main body portion of the engaging piece 33 is formed. 33b
Both side surfaces of are fitted into both side surfaces of the opening portion 32 of the connection frame body 31 with substantially no space therebetween, and are movably engaged in the vertical direction of the opening portion 32.

The flat plate 34 has a flange portion 34a formed at the rear portion (on the right side in FIG. 3), the inner surface of the flange portion 34a is brought into contact with the rear surface of the connecting frame 31, and the small width portion 34 of the flat plate 34 is formed.
Both side surfaces of b are loosely fitted to both side surfaces of the opening portion 32 of the connection frame body 31, and are arranged together with the engaging piece 33 so as to be movable in the vertical direction of the opening portion 32.

The wire rope 6 has a male screw portion 6a formed at the upper end of the rigid portion formed on the side of the connecting body 30 and is screwed into a female screw portion 31b formed at the lower end of the connecting frame 31 to form a nut. Locked in. Further, in the wire rope 28, a male thread portion 28a is formed at a lower end portion of a rigid body portion formed on the coupling body side 30 side, and is screwed to a female screw portion 31a formed at an upper end portion of the coupling frame body 31 to be a nut. 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 fixedly arranged on the coupling body 30 are the transmission member support body. 21 is an opening 24 of the collar body 23
The upper surface 24a and the lower surface 24b are in contact with each other with almost no gap. The contact surface is located on the extension line of the wire rope 6 and the wire rope 28, and the transmission member support 2
The portion of the collar body 23 of the first projecting from the plate 22 is configured to enter the opening 32 of the connecting frame body 31. There are no obstacles on the upper surface and the lower surface of the engaging piece 33,
The thickness T of each collar body 23 can be increased in order to increase its contact area.

When the transmission member 9 is to be removed from the transmission member support 21, only the connection body 30 is pulled out from the opening 24 of the transmission member support 21 while the engaging piece 33 is fixed to the connection frame 31. The transmission member 9 may be replaced by the transmission member support 2
Also in the case of attaching to the No. 1, it is only necessary to engage the engagement piece 33 of the coupling body 30 with the opening 24 of the transmission member support body 21.

When adjusting the frame height of the heddle frame 4, the bolt 35 of the connecting body 30 is loosened and the engaging piece 33 is connected to the connecting frame body while the transmission member support 21 and the transmission member 9 are engaged. 31
The required frame height can be adjusted by moving up and down along the opening 32. At this time, since the tool can be inserted from the rear side of the heald frame 4 for loosening the bolt, the adjacent heald frame does not obstruct and the work can be performed easily.

Further, when either the wire rope 6 or the wire rope 28 is damaged due to some cause and is to be replaced, it has conventionally been necessary to remove the rope from the opening device 2 and the spring device 3. Form structure 20
Since it is separated into upper and lower parts, it is possible to replace only the damaged wire rope. Therefore, the work is greatly improved. Moreover, the adjustment of the frame height at that time is performed by the female screw portion 31a or 31 formed on the connection frame body 31.
It is only necessary to adjust the insertion depth between b and the male thread portion 28a of the wire rope 28 or the male thread portion 6a of the wire rope 6.

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

In the present embodiment, the depolarizing type opening mechanism using the spring device is described, but the present invention can be applied to the positive type opening mechanism without using the spring device. In this case, a rigid rod is 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.

Further, the design change of each part used in the present embodiment can be freely made without changing the gist of the present invention. For example, the connecting frame body 31 that constitutes the connecting body 30 may be configured such that blocks are fixed to the upper and lower ends between two plates and female threads are formed on the blocks, and the connecting frame body 31 is not rectangular. Alternatively, the opening may be provided inside in a substantially cylindrical shape.

Further, 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 22 are crimped to be integrally formed. It may be formed only.

[0037]

According to the connecting structure of the heddle frame and the transmission member of the present invention, the engagement between the transmission member support provided on the heald frame and the transmission member drivingly transmitted to the opening device can be carried out very easily. In addition, the contact surfaces that engage with each other are increased. That is, in the transmission member, a connecting body is arranged in an intermediate portion, two upper and lower transmission elements are extended in the connecting body, and an engaging piece is arranged inside the connecting body. It is configured to be engaged with the support. Therefore, by simply engaging or disengaging the engagement piece with the transmission member support, the transmission member support and the transmission member can be attached or detached, and the transmission member support of the engagement piece can be Since there is no obstacle in the contact surface of,
The contact surface can be enlarged. As a result, wear of the engaging parts is reduced, and long-term use can be accommodated.

Further, in the connecting structure of the heald frame and the transmission member of the present invention, the engaging piece can move in the vertical direction in the connecting body. Therefore, the frame height of the heddle frame can be adjusted simply by loosening the engaging piece and moving it up and down, which makes the adjustment work extremely easy.

Further, since the transmission element is separated into two, only one transmission element can be exchanged even when the transmission element is exchanged, so that the exchange operation can be easily performed.

[Brief description of drawings]

FIG. 1 is an overall view showing an opening mechanism adopting a connection structure of a heald frame and a transmission member of the present invention.

FIG. 2 is an assembled sectional view of the connecting structure of the heald frame and the transmission member showing the 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;

5 is a view showing another form of the transmission member support body in FIG.

6 is a view showing another form of the transmission member support body in FIG.

FIG. 7 is a conventional connecting structure of a heald frame and a transmission member.

8 is an exploded perspective view of FIG.

[Explanation of symbols]

 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 ... Connector 32 ... Opening 33 ... Engaging piece

Claims (5)

[Claims] 1. A heald frame in which a transmission member support is disposed on a side portion, and a transmission which is drivingly transmitted to an opening device for continuously moving the heald frame and is connectable to the heald frame. A connecting structure of a heald frame and a transmission member configured by including a member, wherein the transmission member has an upper transmission element, a lower transmission element, and between the upper transmission element and the lower transmission element. An engaging member that is formed on the extension of the center line of the upper transmission element and the lower transmission element, and is engageable with the transmission member support body. A connecting structure of a heald frame and a transmission member, characterized in that a piece is arranged. 2. The connecting structure for a heald frame and a transmission member according to claim 1, wherein the engaging piece of the connecting body is disposed so as to be movable in the vertical direction with respect to the connecting body. 3. The upper transmission element and the lower transmission element are each formed to include a flexible member, and a rigid body portion formed on at least one of the flexible members has a male screw portion, The connecting structure of the heald frame and the transmission member according to claim 1 or 2, wherein the male screw portion is screwed to the female screw portion formed in the connecting body. 4. An opening is formed in the transmission member support in a horizontal direction toward the outside of the heald frame, and an engagement piece of the connector is engaged with the opening with substantially no gap. 3. The connection structure between the heald frame and the transmission member according to claim 1 or 2. 5. The transmission element of one of the transmission members is connected to the opening device, and the other transmission element is connected to a spring device for returning the heald frame driven by the opening device. The connection structure of the heddle frame and the transmission member according to claim 1, characterized in that.