CN212800869U

CN212800869U - Tension control mechanism

Info

Publication number: CN212800869U
Application number: CN202020943518.XU
Authority: CN
Inventors: 韩聪; 李亦农; 袁纯国; 黄慧宇
Original assignee: Foshan Haohan Technology Co ltd
Current assignee: Foshan Haohan Technology Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-03-26
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a tension control mechanism, including bed frame and tension mechanism, tension mechanism includes: the roller bracket is pivoted with the base frame, a pivot at the pivoted position is called a first pivot, and the first pivot extends forwards and backwards; the tension roller is arranged on the roller bracket, is arranged on the left side or the right side of the first pivot and is parallel to the first pivot; the adjusting assembly comprises an adjusting block and a first screw rod which is transversely arranged, an internal thread through hole is formed in the adjusting block, and the first screw rod is arranged in the internal thread through hole; the center of gravity of the tension mechanism is arranged between the first pivot and the tension roller. Under the action of gravity of the tension mechanism, the tension roller tends to move downwards, and when the tension roller is arranged between two conveying rollers, the tension roller can apply a downward pressing force to the cloth to keep the cloth tight; the position of the adjusting block on the first screw rod is adjusted, so that the force applied to the cloth by the tension roller can be adjusted.

Description

Tension control mechanism

Technical Field

The utility model relates to a wax printing technical field, in particular to tension control mechanism.

Background

The wax printing is an ancient traditional textile printing and dyeing handicraft of minority nationalities in China, and is characterized in that a wax knife is used for dipping and melting wax, drawing patterns on cloth, and then the cloth is dip-dyed by indigo, and after wax is removed, the cloth surface presents various patterns of blue-bottom white flowers or white-bottom blue flowers. In the modern wax printing process, in order to improve the production efficiency, a wax knife does not need to be manually dipped and melted to draw, a piezoelectric nozzle can be used for wax dropping to draw, and the cloth needs to be kept tight during wax dropping, so that a tension control mechanism is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a tension control mechanism.

According to the utility model discloses tension control mechanism, including bed frame and tension mechanism, tension mechanism includes: the roller bracket is pivoted with the base frame, a pivot at the pivoted position is called a first pivot, and the first pivot extends forwards and backwards; the tension roller is arranged on the roller bracket, the tension roller is arranged on the left side or the right side of the first pivot, and the tension roller is parallel to the first pivot; the adjusting assembly comprises an adjusting block and a first screw rod which is transversely arranged, wherein an internal thread through hole is formed in the adjusting block, and the first screw rod is arranged in the internal thread through hole; the gravity center of the tension mechanism is arranged between the first pivot and the tension roller.

According to the utility model discloses tension control mechanism has following technological effect at least: under the action of gravity of the tension mechanism, the tension roller tends to move downwards, and when the tension roller is arranged between two conveying rollers, the tension roller can apply a downward pressing force to the cloth to keep the cloth tight; through setting up the adjustment subassembly, adjust the position of adjusting block on first screw rod, can adjust the tension roller and to the force that the cloth was exerted for can both keep suitable rate of tension when carrying out wax printing with the cloth of difference.

According to some embodiments of the utility model, still be equipped with first conveying roller and second conveying roller on the bed frame, first conveying roller the second conveying roller with the tension roller is parallel, first conveying roller is located the upper left side of tension roller, the second conveying roller is located the upper right side of tension roller.

According to some embodiments of the invention, the first conveyor roller and/or the second conveyor roller are curved rollers.

According to some embodiments of the invention, the center of gravity of the adjustment block is located outside the axis of the internal threaded through hole.

According to some embodiments of the invention, the adjustment assembly and the tension roller are together located on the left or right side of the first pivot.

According to some embodiments of the invention, the adjustment assembly and the tension roller are respectively disposed on both sides of the first pivot.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a front view of the tension control mechanism according to an embodiment of the present invention;

fig. 2 is a left side view of the tension control mechanism according to the embodiment of the present invention;

reference numerals:

left support frame 110, first conveying roller 111, right support frame 120, second conveying roller 121, bottom beam 130, roller support 200, tension roller 210, first screw 221, adjusting block 222, first pivot 230 and cloth 300.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "a" or "an" mean one or more, the terms "a" or "an" mean two or more, the terms larger than, smaller than, exceeding, and the like are understood to include the number, and the terms "larger than, smaller than, within, and the like are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

A tension control mechanism according to an embodiment of the present invention is described below with reference to fig. 1 and 2.

According to the utility model discloses tension control mechanism, including bed frame and tension mechanism, tension mechanism includes roller support 200, tension roller 210 and adjustment subassembly, and roller support 200 and bed frame pin joint, the pivot of pin joint department is called first pivot 230, and first pivot 230 extends back and forth; the tension roller 210 is arranged on the roller bracket 200, the tension roller 210 is arranged at the left side or the right side of the first pivot 230, and the tension roller 210 is parallel to the first pivot 230; the adjusting assembly comprises an adjusting block 222 and a first screw 221 transversely arranged, an internal thread through hole is formed in the adjusting block 222, and the first screw 221 is arranged in the internal thread through hole; the center of gravity of the tension mechanism is disposed between the first pivot 230 and the tension roller 210.

For example, as shown in fig. 1, the base frame is further provided with a first conveying roller 111 and a second conveying roller 121, the first conveying roller 111, the second conveying roller 121 and the tension roller 210 are parallel, the first conveying roller 111 is arranged at the upper left of the tension roller 210, and the second conveying roller 121 is arranged at the upper right of the tension roller 210; the base frame comprises a left support frame 110 and a right support frame 120, wherein the left support frame 110 and the right support frame 120 are welded and fixed together through a bottom beam 130; the first conveying roller 111 is arranged at the top of the left support frame 110, and the second conveying roller 121 is arranged at the top of the right support frame 120; the first pivot 230 can be disposed on the left support frame 110 or the right support frame 120, the roller bracket 200 can rotate around the first pivot 230, when the first pivot 230 is disposed on the left support frame 110, the tension roller 210 is disposed at the right end of the roller bracket 200, when the first pivot 230 is disposed on the right support frame 120, the tension roller 210 is disposed at the left end of the roller bracket 200.

Under the action of gravity of the tension mechanism, the tension roller 210 tends to move downwards, and when the tension roller 210 is arranged between two conveying rollers in use, the tension roller 210 applies a downward pressing force to the cloth 300 to keep the cloth 300 tight; through setting up the adjustment subassembly, adjust the position of adjusting block 222 on first screw 221, can adjust tension roll 210 to the force of cloth 300 for can both keep suitable rate of tension when carrying out the wax printing with different cloth 300.

In some embodiments of the present invention, the first conveyor roller 111 and/or the second conveyor roller 121 are curved rollers. As shown in fig. 1, the first and

second transfer rollers

111 and 121 are arc rollers, so that the cloth 300 can be held taut in the front-rear direction to prevent wrinkles from being generated in the cloth 300.

In some embodiments of the present invention, the center of gravity of the adjustment block 222 is located outside the axis of the internally threaded through hole. As shown in fig. 2, the adjusting block 222 may be a cylindrical iron block, a hole is drilled in the axial direction of the adjusting block 222 and then tapped to form an internal threaded through hole, the internal threaded hole is matched with the first screw 221, the first screw 221 is in threaded connection with the adjusting block 222, and the axis of the internal threaded through hole is disposed above the axis of the adjusting block 222, so that the adjusting block 222 is prevented from spontaneously deviating due to vibration, the pressure applied by the tension roller 210 to the cloth 300 can be kept constant, no additional fixing device is required, and the structure is simple.

In some embodiments of the present invention, the adjusting assembly and the tension roller 210 are disposed on two sides of the first pivot 230. As shown in fig. 1, the tension roller 210 is disposed at the right end of the roller bracket 200, the adjusting assembly is disposed at the left end of the roller bracket 200, the right end of the first screw 221 is welded to the roller bracket 200, the adjusting block 222 can be screwed into the first screw 221 from the left end of the first screw 221, so that space is fully utilized, the tension roller 210 does not block the movement of the adjusting block 222, the adjusting block 222 is adjusted conveniently, the pressure of the tension roller 210 on the cloth 300 is reduced when the adjusting block 222 is adjusted in a direction away from the first pivot 230, that is, in a left direction, and the pressure of the tension roller 210 on the cloth 300 is increased when the adjusting block 222 is adjusted in a direction close to the first pivot 230, that is, in a right direction; of course, the adjusting assembly and the tension roller 210 can also be disposed on the left or right side of the first pivot 230, and at this time, adjusting the adjusting block 222 in the direction away from the first pivot 230 increases the pressure of the tension roller 210 on the cloth 300, and adjusting the adjusting block 222 in the direction close to the first pivot 230 decreases the pressure of the tension roller 210 on the cloth 300.

The above description is for the purpose of illustrating the preferred embodiments of the present invention, but the present invention is not limited to the illustrated embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the appended claims.

Claims

1. A tension control mechanism, characterized by: including bed frame and tension mechanism, tension mechanism includes:

the roller bracket is pivoted with the base frame, a pivot at the pivoted position is called a first pivot, and the first pivot extends forwards and backwards;

the tension roller is arranged on the roller bracket, the tension roller is arranged on the left side or the right side of the first pivot, and the tension roller is parallel to the first pivot;

the adjusting assembly comprises an adjusting block and a first screw rod which is transversely arranged, wherein an internal thread through hole is formed in the adjusting block, and the first screw rod is arranged in the internal thread through hole; the gravity center of the tension mechanism is arranged between the first pivot and the tension roller.

2. The tension control mechanism according to claim 1, wherein: still be equipped with first conveying roller and second conveying roller on the bed frame, first conveying roller the second conveying roller with the tension roller is parallel, first conveying roller is located the upper left side of tension roller, the second conveying roller is located the upper right side of tension roller.

3. The tension control mechanism according to claim 2, wherein: the first conveying roller and/or the second conveying roller are arc-shaped rollers.

4. The tension control mechanism according to claim 1, wherein: the center of gravity of the adjusting block is arranged outside the axis of the internal thread through hole.

5. The tension control mechanism according to claim 1, wherein: the adjusting component and the tension roller are arranged on the left side or the right side of the first pivot together.

6. The tension control mechanism according to claim 1, wherein: the adjusting component and the tension roller are respectively arranged at two sides of the first pivot.