CN212895196U - Heddle for jacquard loom - Google Patents

Abstract

The utility model provides a heald used on a jacquard loom, which comprises a heald main body, an upper connecting part positioned at the upper end of the heald main body, a lower connecting part positioned at the lower end of the heald main body, a heald part arranged at the middle part of the heald main body, a heald hole arranged on the heald part, an elastic mechanism arranged at the bottom end of the lower connecting part and a guide ring; in the heald in the scheme, the guide ring is fixedly arranged in the heald hole on the heald main body and is made of wear-resistant materials, so that the whole heald has better wear-resistant performance, and the phenomenon that the heald is worn or broken due to long-time yarn friction can be effectively prevented; in addition, the lower connecting part of the heald main body is arranged into a structural form similar to a lead weight, and is in clamping connection with a spring inner cavity in the elastic mechanism through the locking part; meanwhile, the vibration-proof body is arranged in the spring inner cavity of the elastic mechanism, so that the transverse swing of the elastic mechanism in the use process can be avoided, and the normal operation of the whole device is ensured.

Description

Heddle for jacquard loom

Technical Field

The utility model relates to a jacquard weaving equipment technical field, concretely relates to heddle for jacquard loom is last.

Background

Generally, a heddle is one of the components of a jacquard weaving machine, which weaves in order to be able to smoothly feed weft yarns between hundreds or even thousands of yarns of warp yarns. Referring to fig. 1, a conventional heddle structure is shown. The existing heald 100 ' comprises a heald body 101 ', an upper connecting part 104 ' positioned at the upper end and the lower end of the heald body 101 ', a lower connecting part 103 ', a heald hole 104 ' arranged at the middle position of the heald body 101 ', and an elastic mechanism 105 ', wherein the elastic mechanism 105 ' is arranged on a jacquard weaving machine frame and is used for providing acting force for vertical vibration of the heald during working. In use, when the yarn selected by the jacquard knitting machine is pulled, the yarn passes through the heald hole, and the opening of the warp yarn is formed by the up-and-down movement, and the fabric is woven by the weft yarn fed through the opening of the warp yarn. The yarn is in the vertical lift's in-process, and the yarn rubs each other between heddle hole, because its after long-time work, the phenomenon of wearing and tearing or rupture easily appears in heddle hole. In addition, the lower connecting portion of its bottom of current heald is through being formed with the screw thread at the bottom to can link to each other with the elastic mechanism that the spring constitutes in the below, form resetting means, this kind of structure it is in long-term the use, it though can keep more stable restoring force for a long time, but its in-process at repeated stretching and shrink can produce the vibration and the swing on the whole heald axis central direction of a lot of perpendicular to, and then can make the elastic mechanism on the adjacent heald crowd together easily, thereby make whole device unable normal operating.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the utility model aims to provide a heddle for on jacquard loom, this heddle possess better wearability, guarantee to weave the normal clear of operation.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a heddle for jacquard loom is last, the heddle includes the heddle main part, is located last connecting portion of heddle main part upper end, is located lower connecting portion, the setting of heddle main part lower extreme are in heddle hole and setting in the heddle main part are in the elastic mechanism of lower connecting portion bottom, the heddle still includes the guide ring, guide ring fixed mounting is in on the heddle hole inner wall, wherein the guide ring adopts wear-resisting material preparation to form.

In some embodiments, a connecting assembly is further arranged between the guide ring and the inner wall of the heald hole, the connecting assembly comprises a groove arranged on the inner wall of the heald hole and a clamping block arranged on the outer end face of the guide ring, and the clamping block is connected with the groove in a clamping manner.

In some embodiments, the lower connecting portion includes a tapered introduction portion located at the lowest end, a retaining portion located above the introduction portion, a locking portion engaged between the introduction portion and the retaining portion, and a limiting portion located above the retaining portion, wherein the outer diameter of the locking portion is larger than the outer diameter of the introduction portion, the outer diameter of the limiting portion is larger than the outer diameter of the retaining portion, the elastic mechanism includes a vertically arranged spring and a vibration-proof body arranged in an inner cavity of the spring, and the vibration-proof body is of a cylindrical structure made of a light pipe.

In some embodiments, the guide ring is made of a ceramic material.

In some embodiments, the heald body is made of a plastic material.

Compared with the prior art, the scheme has the beneficial technical effects that: the heald in the scheme is characterized in that the guide ring is fixedly arranged in the heald hole on the heald main body, and the guide ring is made of a material with better wear resistance, so that the whole heald has better wear resistance, and the phenomenon that the heald is worn or broken due to long-time yarn friction can be effectively prevented; in addition, the lower connecting part of the heald main body is arranged into a structural form similar to a lead weight, and is in clamping connection with a spring inner cavity in the elastic mechanism through the locking part; meanwhile, the vibration-proof body is arranged in the spring inner cavity of the elastic mechanism, so that the transverse swing of the elastic mechanism in the use process can be effectively avoided, and the normal operation of the whole device is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of a conventional heald structure.

Fig. 2 is a schematic view of a heald structure in the present invention.

Fig. 3 is a schematic view of the structural state of the upper heald hole portion of the heald of the present invention.

Fig. 4 is a schematic view of a matching connection structure between the heald lower connection portion and the elastic mechanism in the present invention.

Fig. 5 is a schematic diagram of a horizontal cross-section structure of a heald upper heald hole portion in the present invention.

The reference numerals in the figures illustrate:

100-heald, 101-heald body, 102-heald hole part, 103-heald hole, 104-upper connecting part, 105-lower connecting part, 1051-leading-in part, 1052-locking part, 1053-retaining part, 1054-limiting part, 106-elastic mechanism, 107-guide ring and 108-connecting component.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 2 to 5, a heddle 100 for a jacquard loom in the present embodiment includes a heddle main body 101, an upper connecting portion 104 at an upper end of the heddle main body 101, a lower connecting portion 105 at a lower end of the heddle main body 101, a heddle hole portion 102 provided at a middle portion of the heddle main body 101, a heddle hole 103 provided at the heddle hole portion 102, an elastic mechanism 106 provided at a lower end of the lower connecting portion 105, and a guide ring 107. The upper connecting part 104 and the lower connecting part 105 are respectively used for connecting with the upper end and the lower end of a heald frame on the jacquard machine so as to be used for connecting the healds to a jacquard machine frame body. The lower connecting part 105 of the heald is connected to the jacquard frame through an elastic mechanism 106, and the elastic mechanism 106 has the function of enabling the heald to reciprocate up and down in the vertical direction during the working process so as to normally weave yarns. The outer wall of the guide ring 107 is fitted into the inner wall of the heddle eyelet 103, which are formed integrally. The guide ring 107 is made of a material having excellent wear resistance, and may be made of, for example, a ceramic material. The guide ring 107 and the heald body 101 may be manufactured by a conventional casting process, and the heald body 101 may be made of a plastic material. In use, the yarn passes through the guide ring 107, and the opening of the warp is formed by the vertical movement, and the fabric is woven by the weft fed through the opening of the warp. In the process of vertical lifting of the yarn, the yarn only contacts with the guide ring 107, and the guide ring 107 is made of a material with good wear resistance, so that the phenomenon that the healds are worn or broken off due to long-term use can be effectively avoided.

Referring to fig. 5 in combination, in some embodiments, in order to improve the connection tightness between the guide ring 107 and the heald hole 103, a connection assembly 108 may be provided at the end surface where the guide ring and the heald hole 103 are combined, and the connection assembly 108 includes a groove provided on the inner wall of the heald hole 103 and a latch provided on the outer end surface of the guide ring 107, wherein the latch is in clamping connection with the groove (not shown).

Referring to fig. 2 to 4 in combination, in some embodiments, the lower connecting portion 105 includes a tapered introducing portion 1051 at the lowest end, a holding portion 1053 above the introducing portion 1051, a locking portion 1052 engaged between the introducing portion 1051 and the holding portion 1053, and a position-limiting portion 1054 above the holding portion 1053, wherein the introducing portion 1051 has an outer diameter smaller than the inner diameter of the spring in the elastic mechanism 106 so as to be inserted into the spring smoothly, the locking portion 1052 has an outer diameter larger than the outer diameter of the introducing portion 1051, the locking portion 1052 has an outer diameter slightly larger than the inner diameter of the spring in the elastic mechanism 106 so as to ensure that the locking portion 1052 is inserted into the spring cavity and clamped with the inner wall thereof, the position-limiting portion 1054 has an outer diameter larger than the outer diameter of the holding portion 1053, and the position-limiting portion 1054 has an outer diameter larger than the spring cavity, the limiting function is achieved. The elastic mechanism 106 includes a vertically arranged spring and a vibration-proof body (not shown) arranged in an inner cavity of the spring, and the vibration-proof body is made of a cylindrical structure made of a light pipe, for example, a bellows structure. By further embedding a light-weight vibration isolator in the inner diameter of the spring of the elastic mechanism 106 to thereby make the elastic mechanism 106 reciprocate up and down in the process of continuously repeating the tensioning and stretching operations, since vibration and swing in the direction perpendicular to the axial center direction of the heddle main body 101 are prevented, interference with the elastic mechanism 106 at adjacent positions is minimized, thereby improving the operability of the jacquard loom.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (5)

1. The utility model provides a heddle for jacquard loom is last, the heddle includes the heddle main part, is located last connecting portion of heddle main part upper end, is located lower connecting portion, the setting of heddle main part lower extreme are in heddle hole and setting in the heddle main part are in the elastic mechanism of lower connecting portion bottom, a serial communication port, the heddle still includes the guide ring, guide ring fixed mounting is in on the heddle hole inner wall, wherein the guide ring adopts wear-resisting material preparation to form.

2. The heddle for jacquard loom according to claim 1, wherein a connecting assembly is further provided between the guide ring and the inner wall of the heddle eyelet, the connecting assembly comprising a groove provided on the inner wall of the heddle eyelet and a latch provided on the outer end surface of the guide ring, wherein the latch is in clamping connection with the groove.

3. The heddle for a jacquard loom according to claim 1 or 2, wherein the lower connecting portion comprises a tapered introduction portion at the lowermost end, a holding portion above the introduction portion, a locking portion engaged between the introduction portion and the holding portion, and a position-limiting portion above the holding portion, wherein the locking portion has an outer diameter larger than that of the introduction portion, the position-limiting portion has an outer diameter larger than that of the holding portion, the elastic mechanism comprises a vertically disposed spring and a vibration-proof body disposed in an inner cavity of the spring, and the vibration-proof body has a cylindrical structure made of a lightweight tube.

4. Heddle for a jacquard loom according to claim 1, characterized in that the guide ring is made of ceramic material.

5. Heddle for a jacquard loom according to claim 1, characterized in that the heddle body is made of plastic material.

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