CN210133763U

CN210133763U - Let-off tension adjusting device

Info

Publication number: CN210133763U
Application number: CN201920871792.8U
Authority: CN
Inventors: 朱培荣
Original assignee: Wujiang Huifeng Weaving Co Ltd
Current assignee: Wujiang Huifeng Weaving Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-03-10
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses a let-off tension adjusting device, including first wallboard, the outer loop of fixedly connected with bearing is put to the left side central point of first wallboard, the inner ring interference fit of bearing has the round bar, the left side one end interference fit of round bar has the inner ring of bearing, the outer loop fixedly connected with second wallboard of bearing, the outer wall interference fit of round bar has first cylinder, the top of first cylinder is provided with the second cylinder, the round hole has all been seted up on the left side surface of first wallboard and the right side surface of second wallboard, the card hole has been seted up on the right side surface of first wallboard, the right side one end of round bar runs through first wallboard and is provided with the connecting plate, the right side top of connecting plate is provided with first spring. This let-off tension adjusting device, the device can effectual person of facilitating the use carry out tension to let-off device and adjust, have improved the quality of weaving product and the practicality of weaving machine, more accord with the user demand of reality.

Description

Let-off tension adjusting device

Technical Field

The utility model relates to a weaving machine technical field specifically is a let-off tension adjusting device.

Background

The textile industry is an industry with high labor intensity and large external dependence in China, China is the biggest textile garment production and export country in the world, the continuous and stable growth of the textile garment export is crucial to guarantee foreign exchange storage, international balance, stable currency exchange rate, social employment and sustainable development of the textile industry in China, the raw materials of the textile mainly comprise cotton, cashmere, wool, silkworm cocoon silk, chemical fiber, feather and the like, in the prior art, the tension adjusting device is arranged at the tail part of the roller, the roller is stressed unevenly due to the arrangement, the tensions at the front end and the rear end are different, the surface of the textile is easy to generate a grade, the quality problem of the product is caused, the practicability of the textile machine is reduced, and the textile machine does not accord with the actual use requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a let-off tension adjusting device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a let-off tension adjusting device comprises a first wallboard, wherein an outer ring of a bearing is fixedly connected to the left center of the first wallboard, an inner ring of the bearing is in interference fit with a round rod, an inner ring of the bearing is in interference fit with the left end of the round rod, a second wallboard is fixedly connected to the outer ring of the bearing, a first roller is in interference fit with the outer wall of the round rod, a second roller is arranged at the top end of the first roller, round holes are formed in the left surface of the first wallboard and the right surface of the second wallboard, a clamping hole is formed in the right surface of the first wallboard, one end of the right side of the round rod penetrates through the first wallboard and is provided with a connecting plate, a first spring is arranged at the top end of the right side of the connecting plate, a pull rod is arranged on the right side of the first spring, one end of the left side of the pull rod penetrates through the connecting plate and extends into an inner cavity of the clamping hole, and connecting seats, the utility model discloses a wall mounting structure, including connecting seat, inner chamber, spring holder, round hole assorted card ball, outer wall right side interference fit of round bar, the outer wall chain of first sprocket is connected with the chain, the outer wall bottom of first wallboard is connected with the connecting rod through the bearing, the inner ring of bearing and the outer wall interference fit of connecting rod, the outer loop of bearing and the inner wall fixed connection of first wallboard, the welding of the left side of connecting rod has the second sprocket of being connected with the chain, the right side welding of connecting rod has the bull stick.

Preferably, the round hole and the clamping hole on the outer wall of the first wallboard are arranged in a bilateral symmetry mode.

Preferably, the outer wall of the pull rod is in a T shape.

Preferably, the first sprocket is located at the right side of the connecting seat.

Preferably, the second sprocket has a larger diameter than the first sprocket.

Compared with the prior art, the beneficial effects of the utility model are that: the let-off tension adjusting device can effectively facilitate a user to adjust the tension of a let-off device by rotating a rotating rod to drive a connecting rod and a second chain wheel to rotate, the first chain wheel drives a round rod, a first roller, a second roller, a connecting plate, a first spring, a pull rod, a connecting seat and a supporting seat to rotate through the second chain wheel, the inner wall of the round hole extrudes a clamping ball to drive a spring seat to move towards an inner cavity of the supporting seat and extrude the second spring, after the second roller rotates to a proper angle, the clamping ball is clamped into the inner cavity of the corresponding round hole through the elastic force recovered by the second spring, the pull rod is pushed to be clamped into the inner cavity of the corresponding clamping hole through the elastic force recovered by the first spring, the connecting plate, the round rod, the first roller and the second roller are fixed, the device can effectively facilitate the user to adjust the tension of the let-off device, avoid uneven stress of the rollers after the tension is, the fabric surface is provided with the stopper, the quality of textile products and the practicability of the textile machine are improved, and the practical use requirement is met.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the support base of the present invention;

fig. 3 is a left side view of the round hole of the present invention.

In the figure: 1. first wallboard, 2, round bar, 3, second wallboard, 4, first cylinder, 5, second cylinder, 6, round hole, 7, calorie hole, 8, connecting plate, 9, first spring, 10, pull rod, 11, connecting seat, 12, supporting seat, 13, second spring, 14, spring holder, 15, the card ball, 16, first sprocket, 17, chain, 18, connecting rod, 19, second sprocket, 20, bull stick.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a let-off tension adjusting device comprises a first wall plate 1, an outer ring of a bearing is fixedly connected to the left center position of the first wall plate 1, an inner ring of the bearing is in interference fit with a round rod 2, an inner ring of the bearing is in interference fit with the left end of the round rod 2, a second wall plate 3 is fixedly connected to the outer ring of the bearing, a first roller 4 is in interference fit with the outer wall of the round rod 2, a second roller 5 is arranged at the top end of the first roller 4, round holes 6 are formed in the left side surface of the first wall plate 1 and the right side surface of the second wall plate 3, a plurality of round holes 6 are formed in the outer walls of the first wall plate 1 and the second wall plate 3, gear adjustment of the first roller 4 and the second roller 5 is achieved, the rotating angle of the first roller 4 and the second roller 5 can be better controlled, a clamping hole 7 is formed in the right side surface of the first wall plate 1, one end of the right side of the round rod 2 penetrates through, the right top end of the connecting plate 8 is provided with a first spring 9, the first spring 9 is a spiral spring, the elastic coefficient is 20N/CM, the first spring 9 generates elastic deformation after being stretched or extruded, and restores to an initial state after external force is removed, the right side of the first spring 9 is provided with a pull rod 10, the elastic force of the deformation is restored through the first spring 9 by removing the external force applied to the pull rod 10, the pull rod 10 is pushed to be clamped into the inner cavity of the corresponding clamping hole 7, the connecting plate 8, the round rod 2, the first roller 4 and the second roller 5 are fixed, the first roller 4 and the second roller 5 are prevented from being displaced when in use, the tension affecting let-off is prevented, one end of the left side of the pull rod 10 penetrates through the connecting plate 8 and extends into the inner cavity of the clamping hole 7, the left side and the right side of the outer wall of the round rod 2 are symmetrically in interference fit with connecting seats 11, the outer top end of, one end of a second spring 13 is arranged on the inner wall of the inner cavity of the supporting seat 12, the second spring 13 is a spiral spring, the elastic coefficient is 19N/CM, the second spring 13 generates elastic deformation after being stretched or extruded, and returns to the initial state after external force is removed, a spring seat 14 is arranged at the other end of the second spring 13, a clamping ball 15 matched with the round hole 6 is arranged on the outer side of the spring seat 14, a first chain wheel 16 is in interference fit with the right side of the outer wall of the round rod 2, the rotating rod 20 is driven to drive the connecting rod 18 and the second chain wheel 19 to rotate by rotating the rotating rod 20, the first chain wheel 16 is driven by the second chain wheel 19 to drive the round rod 2, the first roller 4, the second roller 5, the connecting plate 8, the first spring 9, the pull rod 10, the connecting seat 11 and the supporting seat 12 to rotate, the clamping ball 15 is extruded by the inner wall of the round hole 6 to, after the second roller 5 rotates to a proper angle, the clamping ball 15 is clamped into the inner cavity of the corresponding round hole 6 through the elastic force restored by the second spring 13, the deformed elastic force restored by the first spring 9 pushes the pull rod 10 to be clamped into the inner cavity of the corresponding clamping hole 7, the connecting plate 8, the round rod 2, the first roller 4 and the second roller 5 are fixed, the chain 17 is connected with the outer wall chain of the first chain wheel 16, the bottom end of the outer wall of the first wall plate 1 is connected with the connecting rod 18 through the bearing, the inner ring of the bearing is in interference fit with the outer wall of the connecting rod 18, the outer ring of the bearing is fixedly connected with the inner wall of the first wall plate 1, the second chain wheel 19 connected with the chain 17 is welded on the left side of the connecting rod 18, the rotating rod 20 is made to drive the connecting rod 18 and the second chain wheel 19 to rotate through clockwise or counterclockwise rotation of the rotating rod 20, and the second chain wheel 19 and the first chain, make first sprocket 16 drive round bar 2, first cylinder 4, second cylinder 5, connecting plate 8, first spring 9, pull rod 10, connecting seat 11 and supporting seat 12 rotatory, the diameter length of second sprocket 19 is greater than first sprocket 16, can make the user more laborsaving carry out angle modulation to first cylinder 4 and second cylinder 5, and the right side welding of connecting rod 18 has bull stick 20.

As preferred scheme, further, round hole 6 and the setting of card hole 7 bilateral symmetry on 1 outer wall of first wallboard, the outer wall through 1 first wallboard and second wallboard 3 is provided with a plurality of round holes 6, realizes carrying out the gear to first cylinder 4 and second cylinder 5 and adjusts, the rotatory angle of the first cylinder 4 of control and second cylinder 5 that can be better.

As a preferred scheme, furthermore, the outer wall of the pull rod 10 is shaped like a "T", and by removing the external force applied to the pull rod 10, the first spring 9 recovers the deformed elastic force to push the pull rod 10 to be clamped into the inner cavity of the corresponding clamping hole 7, so as to fix the connecting plate 8, the round rod 2, the first roller 4 and the second roller 5, and prevent the first roller 4 and the second roller 5 from being displaced when in use, which results in the influence on the let-off tension.

Preferably, the first chain wheel 16 is located at the right side of the connecting seat 11, and by rotating the rotating rod 20, the rotating rod 20 is driven to rotate the connecting rod 18 and the second chain wheel 19, the second chain wheel 19 causes the first chain wheel 16 to drive the round rod 2, the first roller 4, the second roller 5, the connecting plate 8, the first spring 9, the pull rod 10, the connecting seat 11 and the supporting seat 12 to rotate, the inner wall of the round hole 6 extrudes the clamping ball 15 to drive the spring seat 14 to move towards the inner cavity of the supporting seat 12 and extrude the second spring 13, when the second roller 5 rotates to a proper angle, the blocking ball 15 is blocked into the inner cavity of the corresponding round hole 6 through the elastic force of the second spring 13 which restores the deformation, the first spring 9 recovers the deformed elastic force, the pull rod 10 is pushed to be clamped into the inner cavity of the corresponding clamping hole 7, and the connecting plate 8, the round rod 2, the first roller 4 and the second roller 5 are fixed.

Preferably, the diameter length of the second chain wheel 19 is greater than that of the first chain wheel 16, the rotating rod 20 is driven to drive the connecting rod 18 and the second chain wheel 19 to rotate by rotating the rotating rod 20 clockwise or counterclockwise, the round rod 2, the first roller 4, the second roller 5, the connecting plate 8, the first spring 9, the pull rod 10, the connecting seat 11 and the supporting seat 12 are driven to rotate by the first chain wheel 16 through the relation that the second chain wheel 19 and the first chain wheel 16 are connected with the chain 17 in a chain manner, and the angle adjustment of the first roller 4 and the second roller 5 can be performed by a user in a labor-saving manner because the diameter length of the second chain wheel 19 is greater than that of the first chain wheel 16.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the angle of the second roller 5 needs to be adjusted, a user applies an external force to the right side of the pull rod 10 to cause the pull rod 10 to move to the right side from the inner cavity of the clamping hole 7 and stretch the first spring 9, the first spring 9 is stressed and deformed to tighten a reverse tensile force to the pull rod 10, after the pull rod 10 moves out of the inner cavity of the clamping hole 7, the rotating rod 20 is rotated clockwise or counterclockwise to cause the rotating rod 20 to drive the connecting rod 18 and the second chain wheel 19 to rotate, the first chain wheel 16 drives the round rod 2, the first roller 4, the second roller 5, the connecting plate 8, the first spring 9, the pull rod 10, the connecting seat 11 and the supporting seat 12 to rotate through the relation that the second chain wheel 19 and the first chain wheel 16 are connected with the chain 17, the supporting seat 12 drives the clamping ball 15 to move outwards in the inner cavity of the round hole 6, the inner wall of the round hole 6 extrudes the clamping ball 15 to drive the spring seat 14 to move towards the inner cavity of, the second spring 13 is stressed to deform and tighten reverse thrust for the clamping ball 15, when the clamping ball 15 moves out of the inner cavity of the round hole 6 and then rotates into the inner cavity of the next round hole 6, the plurality of round holes 6 are arranged on the outer walls of the first wall plate 1 and the second wall plate 3, gear adjustment of the first roller 4 and the second roller 5 is realized, the rotating angle of the first roller 4 and the second roller 5 can be better controlled, when the second roller 5 rotates to a proper angle, the rotating rod 20 stops rotating, the clamping ball 15 recovers deformed elastic force through the second spring 13 and is clamped into the inner cavity of the corresponding round hole 6 to fix the second roller 5 for one time, external force applied to the pull rod 10 is removed, the deformed elastic force is recovered through the first spring 9, the pull rod 10 is pushed to be clamped into the inner cavity of the corresponding clamping hole 7, and the connecting plate 8, the round rod 2, the first roller 4 and the second roller 5 are fixed for a second time, the device simple structure, operation convenient to use can effectual person of facilitating the use carry out tension to let-off device and adjust, more accords with actual user demand.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and 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; also, unless expressly stated or limited otherwise, the terms "disposed," "coupled," "plugged," "welded," "clamped," and the like are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A let-off tension adjusting device comprises a first wall plate (1), and is characterized in that: the outer ring of a bearing is fixedly connected to the center of the left side of the first wallboard (1), the inner ring of the bearing is in interference fit with a round rod (2), the inner ring of the bearing is in interference fit with one end of the left side of the round rod (2), the outer ring of the bearing is fixedly connected with a second wallboard (3), the outer wall of the round rod (2) is in interference fit with a first roller (4), a second roller (5) is arranged at the top end of the first roller (4), round holes (6) are respectively formed in the left side surface of the first wallboard (1) and the right side surface of the second wallboard (3), a clamping hole (7) is formed in the right side surface of the first wallboard (1), one end of the right side of the round rod (2) penetrates through the first wallboard (1) and is provided with a connecting plate (8), a first spring (9) is arranged at the top end of the right side of the connecting plate (8), a pull rod (10) is arranged on the right, and one end of the left side of the pull rod (10) penetrates through the connecting plate (8) and extends into the inner cavity of the clamping hole (7), the left side and the right side of the outer wall of the round rod (2) are symmetrically in interference fit with the connecting seats (11), the top end of the outer side of the connecting seats (11) is provided with the supporting seat (12), the inner cavity wall of the supporting seat (12) is provided with one end of the second spring (13), the other end of the second spring (13) is provided with the spring seat (14), the outer side of the spring seat (14) is provided with the clamping ball (15) matched with the round hole (6), the right side of the outer wall of the round rod (2) is in interference fit with the first chain wheel (16), the outer wall chain of the first chain wheel (16) is connected with the chain (17), the bottom end of the outer wall of the first wall plate (1) is connected with the connecting rod (18), the outer ring of bearing and the inner wall fixed connection of first wallboard (1), the left side welding of connecting rod (18) has second sprocket (19) of being connected with chain (17) chain, the right side welding of connecting rod (18) has bull stick (20).

2. A let-off tension adjusting device according to claim 1, characterized in that: round hole (6) and card hole (7) bilateral symmetry on first wallboard (1) outer wall set up.

3. A let-off tension adjusting device according to claim 1, characterized in that: the outer wall of the pull rod (10) is T-shaped.

4. A let-off tension adjusting device according to claim 1, characterized in that: the first chain wheel (16) is positioned on the right side of the connecting seat (11).

5. A let-off tension adjusting device according to claim 1, characterized in that: the diameter length of the second chain wheel (19) is larger than that of the first chain wheel (16).