CN213570972U

CN213570972U - Warp feeding mechanism of warp knitting machine

Info

Publication number: CN213570972U
Application number: CN202022108465.2U
Authority: CN
Inventors: 陈奇豪
Original assignee: Changshu Qiheng Weaving Co ltd
Current assignee: Changshu Qiheng Weaving Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-29
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a let-off mechanism of tricot machine relates to tricot machine technical field, can lead to a let-off section of thick bamboo and weave the yarn between the mechanism and can become loose gradually when having solved the let-off section of thick bamboo of current tricot machine and carrying the yarn to make the problem of the flower type distortion of weaving. A let-off mechanism of a warp knitting machine comprises a linkage rod; and two ends of the linkage rod are respectively and rotatably connected to the top of the side supporting plate and the top of the shell. When the device let-off tube rotates, a driving gear at the right end of the let-off tube drives a reduction gear set of a speed reduction mechanism to rotate, the rotating speed is output to a linkage rod through an output gear after being reduced, the linkage rod drives a linkage gear to rotate, so that the let-off tube can swing to one side under the drive of the linkage gear along the rotation of an arc-shaped track plate, the distance between the let-off tube and a weaving mechanism is prolonged, yarns are tightened, the yarns are always conveyed under proper tension, and the weaving quality of a warp knitting machine is greatly improved.

Description

Warp feeding mechanism of warp knitting machine

Technical Field

The utility model belongs to the technical field of the tricot machine, more specifically say, in particular to let-off mechanism of tricot machine.

Background

The process of forming knitted fabrics, called warp knitting, by simultaneously looping one or several sets of parallel aligned yarns on all the working needles of a warp feed machine, the fabric being called warp knit, the machine for carrying out this warp knitting being called warp knitting machine, which is a very important device in textile manufacturing enterprises.

If the application number is: CN201020577089.5 patent discloses a warp beam let-off mechanism of warp knitting machine, which comprises a warp knitting machine frame and a plurality of warp beams arranged in parallel with each other, the let-off mechanism further comprises two wall plates fixedly mounted on two sides of the warp knitting machine frame, and a plurality of roller rollers arranged in parallel with each other in pairs and rotatably mounted between the two wall plates, the roller rollers arranged in parallel with each other in pairs are driven to rotate by a driving device through a transmission mechanism, and the warp beams are respectively arranged between the roller rollers arranged in parallel with each other in pairs. The driving device may be a motor, and the transmission mechanism may be composed of a driving gear installed on an output shaft of the motor, a driven gear and a driving sprocket installed on one of the pair of roller rollers arranged in parallel, and a driven sprocket installed on the other roller. The utility model discloses at the during operation, the tension of warp can not change along with the change of weaving speed, and the warp remains stable tension state all the time, and the flower type of weaving is pleasing to the eye undistorted, is fit for popularizing and applying in the tricot machine.

The let-off tube of the existing warp knitting machine sends out the yarns at a constant rotating speed, and the outer diameter of the yarn tube is gradually reduced in the conveying process, so that the yarns between the let-off tube and the knitting mechanism are gradually loosened, the knitted pattern is distorted, the quality of the fabric is greatly reduced, and the practicability is low.

In view of the above, the present invention provides a warp let-off mechanism of a warp knitting machine, which is improved in view of the conventional structure and drawbacks, and is intended to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a let-off mechanism of tricot machine to the let-off section of thick bamboo that solves current tricot machine sees the yarn off with invariable rotational speed, because a yarn section of thick bamboo external diameter can diminish gradually in transportation process, leads to a let-off section of thick bamboo and the yarn of weaving between the mechanism can become loose gradually, thereby makes the flower type distortion of weaving, thereby greatly reduced the fabric quality, problem that the practicality is not high.

The purpose and the efficacy of the let-off mechanism of the warp knitting machine of the utility model are achieved by the following concrete technical means:

a let-off mechanism of a warp knitting machine comprises a positioning rod, a speed reducing mechanism, a side supporting plate, a let-off barrel, a linkage rod and a driving motor; the positioning rod is screwed and fixed on the top of the warp knitting machine through a fixing plate screw on the top; the speed reducing mechanism consists of a shell and a speed reducing gear set; the middle part of the side surface of the shell is rotatably connected to the right end of the positioning rod; the reduction gear set is rotationally connected inside the shell; the middle part of the side supporting plate is rotatably connected to the left end of the rod body of the positioning rod; two ends of the let-off tube are respectively and rotatably connected to the bottom of the side supporting plate and the bottom of the shell; two ends of the linkage rod are respectively and rotatably connected to the top of the side supporting plate and the top of the shell; the driving motor is screwed and fixed on the top surface of the transverse plate at the bottom of the side supporting plate through screws and is electrically connected with an external power supply and the control switch; and a gear at one end of the driving rod of the driving motor is in transmission connection with a gear at the left end of the let-off barrel.

Furthermore, the right end of the let-off drum is provided with a driving gear, the right end of the rod body of the linkage rod is provided with an output gear, gear teeth of the driving gear are meshed with gear teeth of a large gear at the bottom of the reduction gear set, and gear teeth of the output gear are meshed with gear teeth of a small gear at the top of the reduction gear set.

Furthermore, linkage gears are arranged at two ends of the linkage rod, track plates are arranged at two ends of the positioning rod, the outer diameters of the track plates are designed in a circular arc shape, racks are arranged on circular arc surfaces of the track plates, and the gear teeth of the linkage gears are meshed with the racks of the track plates.

Furthermore, the rod bodies at two ends of the linkage rod are provided with spline grooves, the linkage gear is internally provided with spline blocks, and the linkage gear is inserted at two ends of the linkage rod.

Furthermore, two sides of the linkage rod are provided with positioning top springs, and two ends of each positioning top spring are fixedly connected to the inner side of the linkage gear and the inner side of the blocking ring of the rod body of the linkage rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

firstly, when the driving motor of the device drives the let-off tube to rotate, the driving gear at the right end of the let-off tube drives the reduction gear set of the reduction mechanism to rotate, the rotating speed is output to the linkage rod through the output gear after being reduced, the linkage rod drives the linkage gear to rotate, so that the let-off tube can swing to one side under the drive of the linkage gear along the rotation of the arc-shaped track plate, the distance between the let-off tube and the weaving mechanism is prolonged, the yarn is tightened, the yarn is always conveyed under proper tension, the weaving quality of the warp knitting machine is greatly improved, and the practicability and the adaptability of the device are improved.

Secondly, when pulling the linkage gear to the inboard, the linkage gear can lose the interlock with the track board rack teeth of a cogwheel to the device automatically rotate under the effect of gravity and reset, and convenient to use is nimble, has improved the flexibility of device.

Moreover, the positioning top spring can enable the device to be always meshed with the gear teeth of the track slab rack through the linkage gear when the device works, and the inside of the linkage gear is provided with the spline block, so that the linkage rod can always drive the linkage gear to rotate when rotating, the phenomenon of transmission failure cannot occur, and the stability of the device is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic structural view after the disassembly of the present invention.

Fig. 4 is a schematic structural view of the present invention in use.

Fig. 5 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. positioning a rod; 2. a speed reduction mechanism; 3. side supporting plates; 4. a let-off cylinder; 5. a linkage rod; 6. a drive motor; 101. a track plate; 201. a housing; 202. a reduction gear set; 401. a driving gear; 501. an output gear; 502. a linkage gear; 5021. a spline block; 503. positioning a top spring; 504. spline grooves.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely 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, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a let-off mechanism of a warp knitting machine, which comprises a positioning rod 1, a speed reducing mechanism 2, a side supporting plate 3, a let-off drum 4, a linkage rod 5 and a driving motor 6; the positioning rod 1 is screwed and fixed on the top of the warp knitting machine through a fixing plate screw on the top; the reduction mechanism 2 is composed of a housing 201 and a reduction gear set 202; the middle part of the side surface of the shell 201 is rotatably connected to the right end of the positioning rod 1; the reduction gear set 202 is rotatably connected inside the housing 201; the middle part of the side supporting plate 3 is rotatably connected with the left end of the rod body of the positioning rod 1; two ends of the let-off tube 4 are respectively and rotatably connected with the bottom of the side supporting plate 3 and the bottom of the shell 201; the right end of the let-off drum 4 is provided with a driving gear 401, the right end of the rod body of the linkage rod 5 is provided with an output gear 501, the gear teeth of the driving gear 401 are meshed with the gear teeth of a large gear at the bottom of the reduction gear set 202, and the gear teeth of the output gear 501 are meshed with the gear teeth of a small gear at the top of the reduction gear set 202, as shown in the attached

drawings

2, 3 and 5, the design enables the driving gear 401 at the right end of the let-off drum 4 to drive the reduction gear set 202 of the reduction mechanism 2 to rotate when the driving motor 6 drives the let-off drum 4 to rotate, the rotating speed is output to the linkage rod 5 through the output gear 501 after being reduced, the gear transmission; two ends of the linkage rod 5 are respectively and rotatably connected to the top of the side supporting plate 3 and the top of the shell 201; two sides of the linkage rod 5 are provided with positioning top springs 503, two ends of each positioning top spring 503 are fixedly connected to the inner side of the linkage gear 502 and the inner side of the rod body blocking ring of the linkage rod 5, as shown in the attached

drawings

2, 3 and 5, the positioning top springs 503 can enable the linkage gear 502 to be always meshed with the gear teeth of the rack of the track plate 101 when the device works, the phenomenon of transmission failure cannot occur, and the stability of the device is improved; the driving motor 6 is screwed and fixed on the top surface of the transverse plate at the bottom of the side supporting plate 3 through screws, and the driving motor 6 is electrically connected with an external power supply and a control switch; the gear at one end of the driving rod of the driving motor 6 is in transmission connection with the gear at the left end of the let-off barrel 4.

Wherein, the both ends of gangbar 5 are equipped with linkage gear 502, the both ends of locating lever 1 are equipped with track board 101, and the external diameter of track board 101 is convex design, track board 101 arc surface is equipped with the rack, and the teeth of a cogwheel of linkage gear 502 and the interlock of track board 101, as shown in figure 2, figure 3 and figure 5, this design makes linkage gear 502 when rotating, can make let-off warp section of thick bamboo 4 to swing to one side under linkage gear 502 along curved track board 101 pivoted drive, as shown in figure 4, thereby lengthen the interval of let-off warp section of thick bamboo 4 and weaving mechanism, tighten up the yarn, make the yarn carry under suitable tension all the time, the quality of weaving of tricot machine improves greatly, the practicality and the adaptability of the device have been improved.

Wherein, the body of rod of 5 both ends of gangbar is equipped with spline groove 504, the inside of gangbar 502 is equipped with spline piece 5021, and gangbar 502 pegs graft at the both ends of gangbar 5, as shown in figure 2, figure 3 and figure 5, this design makes gangbar 5 always drive gangbar 502 to rotate through spline groove 504 when rotating, the phenomenon that the transmission became invalid can not appear takes place, and when pulling gangbar 502 to the inboard, gangbar 502 can lose the interlock with track board 101 rack teeth of a cogwheel, thereby the device is automatic rotation under the effect of gravity resets, high durability and convenient use is nimble, the stability of the device has been improved.

The specific use mode and function of the embodiment are as follows:

in the utility model, a yarn bobbin is arranged on the bobbin body of a let-off bobbin 4, the other end of the yarn is drawn into the weaving mechanism of the warp knitting machine, the power supply of the warp knitting machine and a driving motor 6 is started through a control switch, the driving motor 6 drives the let-off bobbin 4 to send out the yarn at a constant rotating speed, when the driving motor 6 drives the let-off bobbin 4 to rotate, a driving gear 401 at the right end of the let-off bobbin 4 drives a reduction gear set 202 of a speed reducing mechanism 2 to rotate, the rotating speed is output to a linkage rod 5 through an output gear 501 after being reduced, the linkage rod 5 adopts a gear transmission speed reduction mode to be stable and efficient, the linkage rod 5 always drives a linkage gear 502 to rotate through a spline groove 504 when rotating, the linkage gear 502 can enable the let-off bobbin 4 to swing to one side under the driving of the linkage gear 502 rotating along an arc-shaped track plate 101 when rotating, as shown in figure 4, thereby the distance between the let-, the yarn is tightened up, the yarn is always conveyed under proper tension, the knitting quality of the warp knitting machine is greatly improved, the positioning top spring 503 can enable the device to be always meshed with the gear teeth of the rack of the track plate 101 when the device works, the phenomenon of transmission failure cannot occur, after the yarn barrel is used up, the linkage gear 502 is pulled inwards, the linkage gear 502 can lose the meshing with the gear teeth of the rack of the track plate 101, the device automatically rotates and resets under the action of gravity, the use is convenient and flexible, the yarn can be continuously knitted by replacing the yarn barrel and repeating the operations.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A let-off mechanism of a warp knitting machine is characterized in that: comprises a positioning rod (1), a speed reducing mechanism (2), a side supporting plate (3), a let-off barrel (4), a linkage rod (5) and a driving motor (6); the positioning rod (1) is screwed and fixed on the top of the warp knitting machine through a fixing plate screw on the top; the speed reducing mechanism (2) is composed of a shell (201) and a speed reducing gear set (202); the middle part of the side surface of the shell (201) is rotatably connected to the right end of the positioning rod (1); the reduction gear set (202) is rotationally connected to the inside of the shell (201); the middle part of the side supporting plate (3) is rotatably connected to the left end of the rod body of the positioning rod (1); two ends of the let-off barrel (4) are respectively and rotatably connected to the bottom of the side supporting plate (3) and the bottom of the shell (201); two ends of the linkage rod (5) are respectively and rotatably connected to the top of the side supporting plate (3) and the top of the shell (201); the driving motor (6) is screwed and fixed on the top surface of the transverse plate at the bottom of the side supporting plate (3) through screws, and the driving motor (6) is electrically connected with an external power supply and the control switch; the gear at one end of the driving rod of the driving motor (6) is in transmission connection with the gear at the left end of the let-off barrel (4).

2. The let-off mechanism of a warp knitting machine according to claim 1, characterized in that: the right end of the let-off barrel (4) is provided with a driving gear (401), the right end of the rod body of the linkage rod (5) is provided with an output gear (501), the gear teeth of the driving gear (401) are meshed with the gear teeth of a large gear at the bottom of the reduction gear set (202), and the gear teeth of the output gear (501) are meshed with the gear teeth of a small gear at the top of the reduction gear set (202).

3. The let-off mechanism of a warp knitting machine according to claim 1, characterized in that: the two ends of the linkage rod (5) are provided with linkage gears (502), the two ends of the positioning rod (1) are provided with track plates (101), the outer diameters of the track plates (101) are designed in a circular arc shape, the circular arc surfaces of the track plates (101) are provided with racks, and the gear teeth of the linkage gears (502) are meshed with the racks of the track plates (101).

4. The let-off mechanism of a warp knitting machine according to claim 1, characterized in that: the two ends of the linkage rod (5) are provided with spline grooves (504), the linkage gear (502) is internally provided with a spline block (5021), and the linkage gear (502) is inserted at the two ends of the linkage rod (5).

5. The let-off mechanism of a warp knitting machine according to claim 1, characterized in that: and two sides of the linkage rod (5) are provided with positioning top springs (503), and two ends of each positioning top spring (503) are fixedly connected to the inner side of the linkage gear (502) and the inner side of the rod body blocking ring of the linkage rod (5).