CN213447444U - Novel spinning leather collar tensioning structure - Google Patents

Abstract

The utility model discloses a novel spinning leather collar tensioning texture, including L type tension frame, torsional spring, tension shaft, bearing housing and spacer, L type tension frame's minor face is equipped with the baffle perpendicular and homonymy with long limit, and the tip on the long limit of tension frame is passed through to the one end of tension shaft threaded fixation, and the epaxial spacer, spacer bearing housing and the end cap lid of having equipped with in proper order from the one end cover that is close to tension frame of tension, end cap lid pass through the screw regulation at the other end of tension shaft, and the middle part at tension shaft is fixed bearing housing with the end cap lid to the spacer, and the bearing housing is in the same place with the tension shaft cooperation through the bearing at its inner chamber both ends, the one end swing joint that the long limit of L type tension frame is close to the minor face is on the tension rod, and the cover is equipped with the torsional. The utility model has the advantages that: reduce the apron and receive the rotation difference that frictional force difference caused, simultaneously the utility model discloses can reduce the unexpected draft of apron, it is poor to reduce the yarn spindle.

Description

Novel spinning leather collar tensioning structure

Technical Field

The utility model belongs to the technical field of the ring spinning frame among the textile machinery technical field, especially, relate to a novel spinning apron tensioning structure who is applied to and realizes reducing the unexpected draft function of apron.

Background

The traditional ring spinning frame comprises a feeding mechanism, a drafting mechanism and a twisting and winding mechanism, wherein a leather collar in a tension device of the existing spinning frame rotates after being pulled by tension on a tension frame, the friction force between the leather collar and the tension frame needs to be overcome in the rotating process, the friction force between each leather collar and the tension frame is influenced by various factors such as installation errors, the surface quality of the leather collar and the tension frame, the magnitude of torsional spring force and the like, so that the deviation of the leather collar in the rotating process along with the rotation of a roller is caused, the great difference of indexes such as yarn evenness, slub, details and the like is finally influenced, and the great spindle difference is formed.

In summary, a novel spinning apron tensioning structure is urgently needed to achieve the function of reducing accidental drafting of the apron in a spinning cake silk yarn feeding device of a ring spinning frame.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a novel spinning leather collar tensioning texture.

The utility model discloses the concrete technical scheme who adopts does:

a novel spinning leather collar tensioning structure, which comprises an L-shaped tension bracket, a torsional spring, a tension shaft, a bearing sleeve and a spacer bush, the short side of the L-shaped tension bracket is provided with a baffle plate which is vertical to and at the same side with the long side, one end of the tension shaft is fixed at the end part of the long side of the tension bracket through threads, a spacer sleeve, a bearing sleeve and a plug cover are sequentially sleeved on the tension shaft from one end close to the tension bracket, the plug cover is regulated at the other end of the tension shaft through a screw, the spacer sleeve and the plug cover fix the bearing sleeve at the middle part of the tension shaft, the bearing sleeve is matched with the tension shaft through bearings at the two end parts of the inner cavity of the bearing sleeve, one end of the long edge of the L-shaped tension bracket, which is close to the short edge, is movably connected to the tension rod, the tension rod is sleeved with a torsion spring to provide tension for the tension structure, the tension rod is provided with a movable limiting sleeve, and one end of the torsional spring fixed on the tension rod is fixed on the movable limiting sleeve.

Adopt such design, through wherein the bearing housing passes through the bearing and installs on the tension shaft, monolithic stationary is on the tension bracket, whole tension bracket part is installed on the tension rod, provide tensile force tensioning leather collar through the torsional spring, the leather collar is along with the roller rotates the in-process, it easily rotates round the bearing to drive the bearing housing, make the complete machine leather collar can synchronous operation, reduce the spindle poor, in addition, the force frame can adopt stamping forming or whole casting preparation, tension shaft one end threaded passes through the nut fixed or the lug weld on the tension bracket, the bearing housing passes through the bearing to be fixed can place the bearing at both ends on the tension shaft or the middle bearing of placing, other end fixed mode adopts fix with screw or axle to use the retaining ring fixed. The bearing sleeve is separated from the tension frame by the spacer bush, the purpose is to conveniently hook the yarn with the cutting knife and clear away in order to wind the yarn formula, and the equipment is installed on the tension rod after accomplishing wholly, provides tensile force through the torsional spring, and finally, is equipped with movable stop collar on the tension rod, the one end that the torsional spring was fixed on the tension rod is fixed on movable stop collar, can realize the pretightning force regulation to the torsional spring through rotatory activity position sleeve like this.

As a further improvement, the activity stop collar is electronic stop collar, and is equipped with torque measuring instrument on the tension rod, and torque measuring instrument's measuring result feeds back electronic stop collar rotation angle of the control unit control of electronic stop collar.

By adopting the design, the torque measuring instrument is arranged at the end part of the tension rod and is used for detecting the torque of the driving tension frame when the tension frame rotates for a certain angle on the tension rod, so that the acting force of the leather collar on the tension frame is obtained, and the position of the fixed section of the torsion spring is adjusted through the rotation of the electric limiting sleeve to adjust the action of the torsion spring on the tension frame, so that the real-time adjustment of the tension force on the leather collar is realized.

The torque tester is also called torque tester, torsion meter and torquemeter. The torque measuring device is a precise instrument for detecting, testing and calibrating various torques, is used for measuring and correcting the torque and torque setting conditions of various electric screwdriver, wind screwdriver, torque screwdriver and torque wrench, is suitable for various products needing torque measurement, such as rotating shafts, bearings, bottle caps and the like, is provided with special clamping tools, clamps and other tools, is a mature technology, and is not described again.

The utility model discloses an electronic stop collar, in the utility model discloses, drive the stop collar through the motor and obtain a conventional structure, its constitution includes motor, speed reducer, driving belt and stop collar, namely after the motor reduces the rotational speed through the speed reducer, according to 1:1 velocity ratio, transmits the turning moment to the stop collar through the belt, drives the stop collar and rotates.

As a further improvement of the utility model, the outer surface of the bearing sleeve is provided with a soft plastic layer to prevent the leather ring from being worn.

As a further improvement, the end part of the long edge of the tension frame is provided with a limit switch for sending an alarm when the tension frame swings over a limit angle.

Adopt such design, when the tension bracket swung the limit angle, will trigger limit switch, and trigger the utility model discloses an equipment of using sends out the police dispatch newspaper, follows the utility model discloses a structure can be seen out, only the tension bracket just can be swung the limit angle when the leather collar breaks off with torsional spring is anti-to-give birth to, consequently, in case take place the police dispatch newspaper, equipment trouble has appeared promptly.

The spacer is provided with a damper, the damper is a device for providing motion resistance and reducing motion energy, and is a mature conventional device, in the novel device, the damper is a sleeve-shaped component taking a spring as an energy absorption part for absorbing vibration of a tension shaft, the structure of the damper is a pressure spring at the middle part, gaskets are fixed at two ends of the pressure spring, and the gasket is pressed on the tension shaft through the pressure of the plug cover and is positioned between the spacer and a bearing sleeve.

The utility model has the advantages that: reduce the apron and receive the rotation difference that frictional force difference caused, simultaneously the utility model discloses can reduce the unexpected draft of apron, it is poor to reduce the yarn spindle.

Drawings

Fig. 1 is a schematic view of a novel spinning apron tensioning structure of the present invention;

fig. 2 is a schematic structural layout diagram of a novel spinning apron tensioning structure of the present invention;

fig. 3 is a schematic view of another embodiment of the novel spinning apron tensioning structure of the present invention;

illustration of the drawings: 1-tension bracket, 2-tension shaft, 3-spacer bush, 4-bearing, 5-bearing bush, 6-plug cover, 7-screw, 8-nut, 9-leather collar, 10-tension bracket component, 11-tension rod, 12-damper, 13-tension rod fixed end, 14-torsion spring, 15-stop collar, 16-belt, 17-reducing motor.

Detailed Description

The invention is described in detail below with reference to the following figures and specific embodiments:

the specific embodiment is as follows:

in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.

The first embodiment is as follows:

a novel spinning leather collar tensioning structure comprises an L-shaped tension frame 1, a torsional spring 14, a tension shaft 2, a bearing 4, a bearing sleeve 5 and a spacer 3, wherein a baffle perpendicular to and at the same side as a long side is arranged on a short side of the L-shaped tension frame 1, one end of the tension shaft 2 is fixed at the end part of the long side of the tension frame 1 through threads, the spacer 3, the bearing sleeve 5 and a plug cover 6 are sequentially arranged on the tension shaft 2 from one end close to the tension frame, the plug cover 6 is fixed at the other end of the tension shaft 2 through screws, the bearing sleeve 5 is fixed at the middle part of the tension shaft 2 through the spacer 3 and the plug cover 6, the bearing sleeve 5 is matched with the tension shaft 2 through the bearing 4 at the two end parts of an inner cavity of the bearing sleeve 5, a through hole is formed in one end, close to the short side, of the long side of the L-shaped tension frame 1, the through hole is sleeved on the tension rod 11, the torsional spring 14, one end of the torsion spring 14 fixed on the tension rod 11 is fixed on the movable limiting sleeve 15.

Example two:

on the basis of the first embodiment, the movable limiting sleeve 15 is changed into the electric limiting sleeve 15, and the speed reducing motor 17 is fixed on the rack, and the speed reducing motor 17 drives the electric limiting sleeve 15 to rotate through the belt 16.

In the specific application:

use embodiment one as an example, introduce the utility model discloses a concrete application method, after the structural mounting according to embodiment one has tension bracket part 10, install tension bracket part 10 in the tension bar stiff end 13 department of the tension bar 11 of frame, wind leather collar 9 on bearing housing 5 this moment, then rotatory activity stop collar 15 is fixed the one end of torsional spring in the fixed orifices on stop collar 15, the other end card is on tension bracket 1, continue rotatory activity stop collar 15, give torsional spring time pretightning force, fix activity stop collar 15 after reaching predetermined pretightning force. When the leather collar starts to rotate, the bearing sleeve 5 is driven to rotate, and the leather collar is loosened due to vibration or aging, so that the tension bracket is driven by the torsion spring to offset the looseness, and the leather collar is kept tensioned all the time.

The foregoing has outlined broadly some of the aspects and features of the various embodiments, which should be construed to be merely illustrative of various potential applications. Other beneficial results can be obtained by applying the disclosed information in a different manner or by combining various aspects of the disclosed embodiments. Other aspects and a more complete understanding may be obtained by reference to the detailed description of the exemplary embodiments taken in conjunction with the accompanying drawings, based on the scope defined by the claims.

In addition, the invention also discloses the following technical scheme:

the first scheme is as follows:

the outer surface of the bearing sleeve is provided with a soft plastic layer to prevent the leather ring from being worn.

Scheme II:

the end part of the long edge of the tension frame is provided with a limit switch for giving an alarm when the tension frame swings through a limit angle.

The third scheme is as follows:

the spacer bush is provided with a damper.

The above embodiments have explained the present invention in detail. Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions, reductions, and substitutions made by the person skilled in the art within the spirit of the present invention also belong to the protection scope of the present invention.

Claims (5)

1. A novel spinning leather collar tensioning structure, which comprises an L-shaped tension bracket, a torsional spring, a tension shaft, a bearing sleeve and a spacer bush, it is characterized in that the short side of the L-shaped tension bracket is provided with a baffle plate which is vertical to and at the same side with the long side, one end of the tension shaft is fixed at the end part of the long side of the tension bracket through threads, a spacer bush, a bearing bush and a plug cap are sleeved on the tension shaft from one end close to the tension bracket in sequence, the plug cap is regulated at the other end of the tension shaft through a screw, the spacer bush and the plug cap fix the bearing bush at the middle part of the tension shaft, the bearing bush is matched with the tension shaft through bearings at the two end parts of the inner cavity of the bearing, one end of the long edge of the L-shaped tension bracket, which is close to the short edge, is movably connected to the tension rod, the tension rod is sleeved with a torsion spring to provide tension for the tension structure, the tension rod is provided with a movable limiting sleeve, and one end of the torsional spring fixed on the tension rod is fixed on the movable limiting sleeve.

2. The novel spinning apron tensioning structure as claimed in claim 1, wherein the movable limiting sleeve is an electric limiting sleeve, a torque measuring instrument is arranged on the tension rod, and the measurement result of the torque measuring instrument is fed back to a control unit of the electric limiting sleeve to control the rotation angle of the electric limiting sleeve.

3. The novel spinning apron tensioning structure as claimed in claim 2, characterized in that the outer surface of the bearing sleeve is provided with a soft plastic layer to prevent the apron from being worn.

4. The novel spinning apron tensioning structure as claimed in claim 3, characterized in that the end of the long side of the tension frame is provided with a limit switch for alarming when the tension frame swings over a limit angle.

5. A novel spinning apron tensioning arrangement according to one of claims 1 to 4, characterized in that the spacer is provided with a damper.

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