CN212834333U - Elastic force adjusting mechanism for yarn picking needle of drawing-in machine - Google Patents

Abstract

The utility model discloses a drawing-in machine chooses yarn needle elasticity adjustment mechanism, including the support, choose yarn needle, go up thimble assembly, installation axle, clockwork spring, ring spring, inner support, base, steel ball, pressure spring, layer board and dish-shaped reed down, still establish the compact structure on last thimble assembly and the thimble assembly down including the cover, compact structure includes clamp plate, spring, fixed plate and screw, it is equipped with the clamp plate all to overlap on thimble assembly and the thimble assembly down. The utility model discloses a set up hold-down structure's clamp plate, spring, fixed plate and screw, be favorable to twisting first nut the back, overlap the clamp plate in adjusting screw's the outside, fix the fixed plate on the support through the screw, make the clamp plate produce decurrent extrusion force to first nut under the effect of spring, effectually avoid first nut to take place to break away from adjusting screw behind the smooth silk.

Description

Elastic force adjusting mechanism for yarn picking needle of drawing-in machine

Technical Field

The utility model relates to an drawing-in machine field, in particular to drawing-in machine picks yarn needle elasticity adjustment mechanism.

Background

Along with the continuous development of science and technology, the automation degree of the textile industry is also gradually improved, and the weaving speed is greatly improved. Drawing-in is a preparation process of weaving, and drawing-in and denting are all manually operated. Not only the speed is slow, but also a large amount of labor force is needed, and the production cost is greatly improved. The appearance of the automatic drawing-in machine well solves the problems of low production efficiency and high cost. The swing of the yarn picking needle of the automatic drawing-in machine is driven by the elastic force provided by a spring, and the pre-tightening of the spring is usually realized by a series of transmission mechanisms such as a rotating shaft, a bevel gear, a ratchet wheel, a pawl and the like. The transmission mechanism is used for adjusting the elasticity of the yarn picking needle of the drawing-in machine, and can achieve the effect of pre-tightening the spring, but has the problems of complex structure, high manufacturing cost, high assembly precision and the like.

In a mechanism for adjusting the elasticity of a yarn picking needle of a drawing-in machine, which is previously applied by the company and has a patent number of CN201510335280.6, nuts of an upper ejector pin assembly and a lower ejector pin assembly are easy to loosen or slide after being used for a long time, and the use of equipment is easy to be influenced under the condition that the phenomenon is not found.

Therefore, it is necessary to provide a tension adjusting mechanism for a pick-up needle of a drawing-in machine to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drawing-in machine is chosen yarn needle elasticity adjustment mechanism to solve the nut that the last thimble subassembly of the drawing-in machine that this company applied before that proposes in the above-mentioned background art and thimble subassembly down took place phenomenons such as becoming flexible or smooth easily after long-time the use, influenced the use problem of equipment easily under the condition not discovered.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drawing-in machine chooses yarn needle elasticity adjustment mechanism, includes the support, chooses the yarn needle, goes up thimble assembly, installation axle, clockwork spring, ring spring, inner base, steel ball, pressure spring, layer board and dish-shaped reed down, still establishes the compact structure on last thimble assembly and thimble assembly down including the cover, compact structure includes clamp plate, spring, fixed plate and screw, it all overlaps on thimble assembly and the thimble assembly down and is equipped with the clamp plate to go up the thimble assembly, the clamp plate is close to support one side fixedly connected with spring, clamp plate one end fixedly connected with fixed plate is kept away from to the spring, the fixed plate is fixed with the support through the screw.

Preferably, the installation axle is including the pressure spring axle and the jackshaft that link into an organic whole, the top of jackshaft is equipped with the connecting hole, and the lower extreme of pressure spring axle is equipped with the round pin axle, the round pin axle of pressure spring axle inserts in the connecting hole of jackshaft, round pin axle and connecting hole are interference fit, the part of pressure spring axle is the installation department of installation axle, and the part of jackshaft is the drive division of installation axle.

Preferably, the outer surface of the bottom of the base is provided with straight knurling.

Preferably, the upper and lower needle assemblies include an adjustment screw, a washer, and a first nut.

Preferably, a thread ring is arranged at the bottom of the adjusting screw of the upper ejection pin assembly, and a second nut is sleeved outside the thread ring.

Preferably, the second nut diameter is larger than the diameter of the adjusting screw.

The utility model has the advantages that:

(1) the pressing plate, the spring, the fixing plate and the screw are arranged in the pressing structure, so that the pressing plate is sleeved outside the adjusting screw after the first nut is screwed, the fixing plate is fixed on the bracket through the screw, the pressing plate generates downward extrusion force on the first nut under the action of the spring, and the first nut is effectively prevented from being separated from the adjusting screw after being subjected to wire sliding;

(2) through setting up at the fillet of screw and the second nut of adjusting screw bottom, be favorable to fixing the second nut in the adjusting screw bottom, after adjusting screw's position, screw up the second nut for the second nut carries out spacingly to adjusting screw's position, and when first nut takes place to become flexible, the second nut carries out fine fixed, plays two way protection's effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the pressing plate structure of the present invention;

in the figure: the device comprises a support 1, a yarn picking needle 2, an upper ejector pin component 3, a lower ejector pin component 4, a mounting shaft 5, a clockwork spring 6, a ring spring 7, an inner seat 8, a base 9, a steel ball 10, a pressure spring 11, a supporting plate 12, a disc-shaped spring 13, a pressing structure 14, a pressing plate 141, a spring 142, a fixing plate 143, a screw 144, a spring pressing shaft 51, an intermediate shaft 52, an adjusting screw 30, a washer 31, a first nut 32, a thread coil 301 and a second nut 302.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model provides a warp drawing-in machine chooses yarn needle elasticity adjustment mechanism as shown in fig. 1-2, including support 1, choose yarn needle 2, go up thimble assembly 3, thimble assembly 4, installation axle 5, clockwork spring 6, ring spring 7, inner base 8, base 9, steel ball 10, pressure spring 11, layer board 12 and dish reed 13 down, still including the cover establish the compact structure 14 on last thimble assembly 3 and thimble assembly 4 down, compact structure 14 includes clamp plate 141, spring 142, fixed plate 143 and screw 144, it is equipped with clamp plate 141 all to overlap on thimble assembly 3 and the thimble assembly 4 down, clamp plate 141 is close to support 1 one side fixedly connected with spring 142, clamp plate 141 one end fixedly connected with fixed plate 143 is kept away from to spring 142, fixed plate 143 is fixed with support 1 through screw 144.

Further, in the above technical solution, the mounting shaft 5 includes a compression spring shaft 51 and an intermediate shaft 52 connected to form a whole, the top of the intermediate shaft 52 is provided with a connecting hole, the lower end of the compression spring shaft 51 is provided with a pin shaft, the pin shaft of the compression spring shaft 51 is inserted into the connecting hole of the intermediate shaft 52, the pin shaft and the connecting hole are in interference fit, the compression spring shaft 51 is a mounting portion of the mounting shaft 5, and the intermediate shaft 52 is a driving portion of the mounting shaft 5;

further, in the above technical solution, the outer surface of the bottom of the base 9 is provided with straight knurls;

further, in the above technical solution, the upper thimble assembly 3 and the lower thimble assembly 4 include an adjusting screw 30, a washer 31 and a first nut 32;

further, in the above technical solution, a thread ring 301 is provided at the bottom of the adjusting screw 30 of the upper thimble assembly 3, and a second nut 302 is sleeved outside the thread ring 301;

further, in the above technical solution, the diameter of the second nut 302 is larger than the diameter of the adjusting screw 30.

This practical theory of operation:

referring to the attached drawings 1-2 of the specification, when the device is used, the adjusting screw 30 is extruded towards the mounting shaft 5 by screwing the first nut 32 of the upper ejector pin assembly 3 and the lower ejector pin assembly 4, so as to finely adjust the yarn picking needle 2 at the bottom of the disc spring 13, the pressing plate 141 of the compression structure 14 is sleeved outside the adjusting screw 30 after adjustment is completed, the fixing plate 143 is fixed on the bracket 1 through the screw 144, the pressing plate 141 generates downward extrusion force on the first nut 32 under the action of the spring 142, the first nut 32 is effectively prevented from being separated from the adjusting screw 30 after sliding, and after the adjusting screw 30 is screwed, the second nut 302 is screwed, so that the second nut 302 limits the position of the adjusting screw 30, and when the first nut 32 is loosened, the second nut 302 is well fixed, so as to play a role in bidirectional protection.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a drawing-in machine picks yarn needle elasticity adjustment mechanism, includes support (1), picks yarn needle (2), goes up thimble assembly (3), thimble assembly (4), installation axle (5), clockwork spring (6), ring spring (7), inner base (8), base (9), steel ball (10), pressure spring (11), layer board (12) and dish-shaped reed (13), its characterized in that: the improved ejector pin structure is characterized by further comprising a pressing structure (14) sleeved on the upper ejector pin assembly (3) and the lower ejector pin assembly (4), wherein the pressing structure (14) comprises a pressing plate (141), a spring (142), a fixing plate (143) and a screw (144), the pressing plate (141) is sleeved on the upper ejector pin assembly (3) and the lower ejector pin assembly (4), the pressing plate (141) is fixedly connected with the spring (142) close to one side of the support (1), the spring (142) is far away from one end of the pressing plate (141) and is fixedly connected with the fixing plate (143), and the fixing plate (143) is fixed with the support (1) through the screw (144).

2. The drawing-in machine pick-up needle elasticity adjusting mechanism according to claim 1, characterized in that: the installation axle (5) is including connecting into an organic whole compression spring axle (51) and jackshaft (52), the top of jackshaft (52) is equipped with the connecting hole, and the lower extreme of compression spring axle (51) is equipped with the round pin axle, the round pin axle of compression spring axle (51) inserts in the connecting hole of jackshaft (52), round pin axle and connecting hole are interference fit, the part of compression spring axle (51) is the installation department of installation axle (5), and the part of jackshaft (52) is the drive division of installation axle (5).

3. The drawing-in machine pick-up needle elasticity adjusting mechanism according to claim 1, characterized in that: the outer surface of the bottom of the base (9) is provided with straight knurls.

4. The drawing-in machine pick-up needle elasticity adjusting mechanism according to claim 1, characterized in that: the upper ejector pin assembly (3) and the lower ejector pin assembly (4) comprise adjusting screws (30), washers (31) and first nuts (32).

5. The drawing-in machine pick-up needle elasticity adjusting mechanism according to claim 4, characterized in that: the bottom of an adjusting screw (30) of the upper ejection pin assembly (3) is provided with a threaded ring (301), and a second nut (302) is sleeved outside the threaded ring (301).

6. The drawing-in machine pick-up needle elasticity adjusting mechanism according to claim 5, characterized in that: the diameter of the second nut (302) is larger than that of the adjusting screw (30).

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