CN220057189U

CN220057189U - Rapier weft yarn clamp holder

Info

Publication number: CN220057189U
Application number: CN202320384393.5U
Authority: CN
Inventors: 戴迎庐
Original assignee: Shanghai Zhongjian Textile Machinery Co ltd
Current assignee: Shanghai Zhongjian Textile Machinery Co ltd
Priority date: 2023-03-04
Filing date: 2023-03-04
Publication date: 2023-11-21
Anticipated expiration: 2033-03-04

Abstract

The utility model belongs to the technical field of material engineering, and particularly relates to a rapier weft yarn clamp holder which is characterized by comprising a base, a clamp and a clamp, wherein the base is used for being fixed with a main body of a rapier loom; the yarn clamping assembly is used for clamping weft yarns and is provided with a plurality of groups; the electromagnetic push rod corresponds to the yarn clamping assembly to drive the yarn clamping assembly to work; the driving assembly is arranged on the base and corresponds to the yarn clamping assembly to drive a plurality of groups of yarn clamping assemblies to rotate to correspond to the electromagnetic push rods. The main control box of the loom is used for controlling, so that the movement of the novel rapier weft yarn clamp holder and the weaving synchronization become simple and convenient. Because the novel weft yarn clamp is used, the slitter edge tissue formed by weaving of the rapier loom is omitted, and the manufacturing cost is reduced.

Description

Rapier weft yarn clamp holder

Technical Field

The utility model belongs to the technical field of material engineering, and particularly relates to a gripper for weft yarns of a rapier.

Background

The color selector of the rapier loom selects the required weft yarn to the weft insertion rapier path to enable the rapier to clamp the weft yarn for weft insertion. There is a set of 16 to 26 warp yarns on the outside of the selvedge forming an interwoven weave pattern. The fabric is called a slitter edge weave, which has the main function of linking unused weft yarns with the fabric to enable the next weft yarn to be made. The waste edge tissue is formed by a set of transmission motion mechanism synchronous with weaving, the increase of the transmission motion mechanism can lead to the rise of cost certainly, and the waste edge tissue can also cause waste.

Disclosure of Invention

The utility model provides a gripper weft yarn clamp for a rapier, which aims to overcome the defects of the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: a rapier weft yarn gripper, comprising

The base is used for being fixed with the main body of the rapier loom;

the yarn clamping assembly is used for clamping weft yarns and is provided with a plurality of groups;

the electromagnetic push rod corresponds to the yarn clamping assembly to drive the yarn clamping assembly to work;

the driving assembly is arranged on the base and corresponds to the yarn clamping assembly to drive a plurality of groups of yarn clamping assemblies to rotate to correspond to the electromagnetic push rods.

Optionally, the yarn clamping assembly includes a first clamp body and a second clamp body corresponding to the first clamp body for clamping the weft yarn, and the electromagnetic push rod corresponds to the second clamp body for pushing the second clamp body to move towards one direction.

Optionally, the yarn clamping assembly further comprises a reset piece for pushing the second clamp body to move in the opposite direction.

Optionally, the yarn clamping assembly further comprises a fixing frame, a rod body penetrating through the fixing frame and capable of moving relative to the fixing frame, and a protection piece connected with the rod body, and the second clamping body is arranged on the rod body.

Optionally, the reset piece is sleeved on the rod body, and one end of the reset piece is abutted to the protection piece.

Optionally, a defect part is arranged on the fixing frame, and the protecting piece and the resetting piece are both arranged in the defect part.

Optionally, the fixing frame is provided with a limiting part, the limiting part is provided with two limiting plates with a distance, and the distance is larger than the width of the second clamp body.

Optionally, the yarn clamping device further comprises a fixing seat, wherein a plurality of yarn clamping assemblies are fixed on the fixing seat in an equidistant arrangement along a curve, and the driving assembly drives the fixing seat to rotate.

Optionally, the drive assembly includes servo motor, with eccentric actuating arm of servo motor eccentric connection and with eccentric actuating arm swing joint's connecting rod, the connecting rod with the fixing base rotatable coupling.

Optionally, a protective cover is connected to the base to cover the movable section of the connecting rod.

In summary, the utility model has the following advantages:

1. because the novel rapier weft yarn holder drives the eccentric driving arm to rotate for the servo motor, the yarn clamping assembly seat is pushed to swing along the mandrel of the yarn clamping assembly seat through the connecting rod, and each yarn clamping assembly corresponds to the color selecting rod on the color selecting device one by one. When weft yarns with certain color are required to be inserted, the servo motor drives the eccentric driving arm to rotate, the corresponding yarn clamping assembly on the yarn clamping assembly seat is driven by the connecting rod to swing below the electromagnet push rod, the electromagnet push rod is electrified, and the yarn clamping assembly releases the weft yarns for weft insertion.

2. The main control box of the loom is used for controlling, so that the movement of the novel rapier weft yarn clamp holder and the weaving synchronization become simple and convenient. Because the novel weft yarn clamp is used, the slitter edge tissue formed by weaving of the rapier loom is omitted, and the manufacturing cost is reduced.

Drawings

Fig. 1 is a schematic view of the structure of the present utility model on a rapier loom.

Fig. 2 is a perspective view of the present utility model.

Fig. 3 is a perspective view of another view of the present utility model.

Fig. 4 is a top view of the present utility model.

Fig. 5 is a perspective view of the yarn clamping assembly of the present utility model in a first operative condition.

Fig. 6 is a perspective view of a second operational state of the yarn clamping assembly of the present utility model.

Detailed Description

In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1 to 6, the present utility model discloses a gripper weft gripper, which comprises a bracket 10, a base 20, a gripper assembly 30, an electromagnetic push rod 40 and a driving assembly 50, wherein the bracket 10 is a metal frame with an i-shaped cross section, two elongated openings 11 are arranged at the bottom of the bracket 10, and the openings 11 are used for connecting with a frame of a gripper loom after bolts pass through, so as to fix the bracket 10. The base 20 is fixed to the bracket 10 by bolts or glue. The base 20 is a metal plate, and the yarn clamping assembly 30, the electromagnetic push rod 40 and the driving assembly 50 are all disposed on the base 20.

Specifically, the yarn clamping assembly 30 is used for clamping the weft yarn, the yarn clamping assembly 30 comprises a fixing frame 31, a rod body 32, a reset piece 33 and a clamp 34, wherein the fixing frame 31 is a metal frame, the fixing frame 31 is approximately long-strip-shaped, and a defect part 311 is formed by partially recessing at a position above the middle of the fixing frame 31. The restoring member 33 is located in the defective portion 311, and the restoring member 33 is sleeved on the rod body 32.

Further, a through hole passing through the defect portion 311 to the bottom of the fixing frame 31 is provided along the height direction of the fixing frame 31, the rod 32 passes through the through hole, and the push rod is exposed inside the defect portion 311 at a position passing through the defect portion 311. The length of the rod body 32 is greater than the height of the fixing frame 31, so that two ends of the rod body 32 are exposed out of two ends of the fixing frame 31 respectively, a connecting sleeve 321 is sleeved at the upper end position of the rod body 32, the connecting sleeve 321 is a metal sleeve with the cross section diameter greater than that of the rod body 32, and the connecting sleeve 321 is fixed and positioned through bolts. The electromagnetic push rod 40 is connected with the connecting sleeve 321 to drive the rod body 32 to move downwards relative to the fixing frame 31.

The clamp 34 is divided into two parts, specifically a first clamp 341 and a second clamp 342, wherein the first clamp 341 is integrated at the bottom of the fixing frame 31, that is, the first clamp 341 is a part of the bottom of the fixing frame 31, and the first clamp 341 is a metal body that is inclined downwards to be similar to a duckbill shape; the second clamp 342 is a metal body adapted to cooperate with the first clamp 341 to clamp the weft yarn, and the second clamp 342 has the same shape as the first clamp 341 and is also inclined downward to be similar to a duckbill shape. The second clamp 342 is connected to the lower end of the rod 32 by a screw, or the second clamp 342 is directly integrated on the lower end of the rod 32. When the electromagnetic push rod 40 drives the rod 32 to move up and down, the second clamping body 342 also moves up and down along with the rod 32, so that the whole process of clamping and separating the first clamping body 341 and the second clamping body 342 is realized, and the process steps of clamping the weft yarn and separating the weft yarn are realized.

The above-mentioned resetting piece 33 is sleeved on the rod 32, and a protecting piece 35 is fixed on the rod 32 through a screw, the protecting piece 35 is located inside the defect portion 311, the upper end of the resetting piece 33 abuts against the lower end face of the protecting piece 35, and the lower end of the resetting piece 33 abuts against the bottom of the defect portion 311, so that the protecting piece 35 abuts against the upper end face of the defect portion 311 in the resetting process of the rod 32 under the pushing of the resetting piece 33, and the transitional collision between the first clamp 341 and the second clamp 342 is limited to cause abrasion.

The bottom of the fixing frame 31 is provided with a limiting member 36, the limiting member 36 is a shaped metal member having two limiting plates 361, a space is provided between the two limiting plates 361, the space is larger than the width of the second clamping body 342, and the length of the limiting plate 361 is larger than the movable length of the second clamping body 342, so that the two limiting plates 361 limit the second clamping body 342 to move up and down, and the condition of left-right offset cannot occur.

The electromagnetic push rod 40 is an existing electromagnetic push rod 40 device in the market at present, and is vertically fixed at a position close to one end of the base 20, and the push rod of the electromagnetic push rod 40 passes through the opening 11 positioned on the base 20 and is opposite to the connecting sleeve, the push rod moves downwards in the process of electrifying, then the lower end of the push rod abuts against the upper end of the connecting cap, so as to push the rod body 32 to move downwards, and the first clamp 341 and the second clamp 342 are separated; after the electromagnetic push rod 40 is powered off, the push rod is recovered, the reset piece 33 pushes the protection piece 35 to move upwards, and at the moment, the protection piece 35 carries the rod body 32 to synchronously reset upwards, so that the process that the first clamping body 341 and the second clamping body 342 are matched to clamp the weft yarn is realized.

Specifically, each gripper weft gripper is provided with a plurality of yarn clamping assemblies 30, the yarn clamping assemblies 30 are distributed on a fixed seat 60 at equal intervals according to a curve, the fixed seat 60 is a metal seat, one end of the fixed seat 60 is an arc-shaped surface, and the fixed frames 31 are fixed at equal intervals along the arc-shaped surface; the middle position of the fixing seat 60 is rotatably connected to the base 20, so that when the fixing seat 60 rotates, the plurality of yarn clamping assemblies 30 are carried to shift, and each yarn clamping assembly 30 can correspondingly move to the position right below the push rod.

The driving assembly 50 realizes that the fixing seat 60 can rotate, the driving assembly 50 comprises a servo motor 51, an eccentric driving arm 52 and a connecting rod 53, the servo motor 51 is vertically fixed on the base 20, the eccentric driving arm 52 is connected with an output shaft of the servo motor 51, the servo motor 51 drives the eccentric driving arm 52 to rotate, one end of the connecting rod 53 is rotatably connected to the eccentric driving arm 52, the other end of the connecting rod 53 is rotatably connected to the fixing seat 60, and the connecting position of the connecting rod 53 and the mounting seat is far away from one end of the fixing seat 31, so that the servo motor 51 drives the yarn clamping assembly 30 to displace when in operation.

In order to ensure that the connecting rod 53 does not hurt people during the rapid movement, a protective cover 21 covering the movable section of the connecting rod 53 is connected to the base 20, and the protective cover 21 is a metal cover with a U-shaped section. The protecting cover 21 can effectively isolate the worker from contact with the connecting rod 53 in the process of moving the connecting rod, thereby ensuring the safety of the worker.

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as expressed herein, either as a result of the foregoing teachings or as a result of the knowledge or technology of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. A gripper weft gripper is characterized by comprising

The base is used for being fixed with the main body of the rapier loom;

2. The rapier weft yarn holder according to claim 1, wherein the yarn holding assembly comprises a first clamping body and a second clamping body corresponding to the first clamping body for clamping the weft yarn, and the electromagnetic push rod corresponds to the second clamping body for pushing the second clamping body to move in one direction.

3. A rapier weft yarn holder according to claim 2, wherein the yarn gripping assembly further comprises a reset member for urging the second gripping body to move in an opposite direction.

4. A gripper according to claim 3, wherein the gripper assembly further comprises a fixing frame, a rod passing through the fixing frame and movable relative to the fixing frame, and a protective member connected to the rod, and the second gripper is disposed on the rod.

5. The gripper of claim 4, wherein said restoring member is sleeved on said lever body and one end of said restoring member abuts against said guard member.

6. The gripper of claim 4, wherein said holder has a defect, and said guard and said reset are disposed within said defect.

7. The gripper of claim 4, wherein the fixing frame is provided with a limiting member, the limiting member is provided with two limiting plates having a spacing, and the spacing is larger than the width of the second clamping body.

8. The rapier weft yarn holder according to claim 1, further comprising a fixing base, wherein a plurality of the yarn clamping assemblies are fixed on the fixing base in a curve equidistant arrangement, and the driving assembly drives the fixing base to rotate.

9. The gripper of claim 8, wherein said drive assembly comprises a servo motor, an eccentric drive arm eccentrically coupled to said servo motor, and a connecting rod movably coupled to said eccentric drive arm, said connecting rod rotatably coupled to said fixed base.

10. A gripper according to claim 9, wherein a protective cover is attached to the base to cover the movable section of the link.