Yarn guide mechanism of two-needle bar warp knitting machine

Abstract

The utility model discloses a yarn guide mechanism of a two-needle bar warp knitting machine, which comprises a pair of yarn guide seats arranged on the side edge of a cross beam and a plurality of yarn guide tubes arranged between the two yarn guide seats in parallel along the space, a plurality of mounting grooves are arranged on the yarn guide seats, the mounting grooves are provided with openings extending to the edges of the yarn guide seats, and the openings are communicated with the yarn guide seats. And the yarn guide tube is embedded in the mounting groove from the opening, and a rotating bearing detachably mounted on the yarn guide seat is connected between the yarn guide tube and the mounting groove. According to the utility model, the mounting structures of the yarn guide seat and the yarn guide tube are optimized, so that the quick disassembly and assembly of the yarn guide tube are realized, and the replacement and displacement efficiency of the yarn guide tube is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to warp knitting machine technical field especially relates to a guide yarn mechanism of double needle bed warp knitting machine. BACKGROUND

[0002] Double needle bed warp knitting machine is a kind of complex textile machinery, for producing knitted fabric, it is manufactured fabric by weaving yarn into net structure, widely used in producing various types of knitted fabric, such as clothing fabric, decorative material etc. In double needle bed warp knitting machine, guide yarn mechanism plays a vital role, responsible for guiding yarn to enter weaving area correctly, ensure the smooth progress of weaving process. Guide yarn mechanism includes multiple parallelly arranged guide yarn tubes, such as the structure disclosed in the Chinese utility model with authorization announcement No. CN210856532U and CN 215517869U, yarn realizes direction change by the interception of guide yarn tube, realizes taut under the action of multiple guide yarn tubes, to maintain appropriate yarn tension, ensure that yarn is neither too loose nor too tight during weaving, so as to realize better weaving effect.

[0003] Guide yarn tube is generally installed on guide yarn seat by deep groove ball bearing, realizes rotary connection, guide yarn seat is fixed on the side of beam of warp knitting machine, and guide yarn tube swings around itself along the circumference under the friction of yarn during use. Since different yarn materials need to replace guide yarn tubes of different materials to realize better guide yarn effect, therefore, guide yarn tube needs to be disassembled and replaced during actual use, sometimes, although guide yarn tube does not need to be replaced, the position of guide yarn tube needs to be adjusted. In existing structure, only the whole structure including guide yarn seat can be disassembled and replaced, which is time-consuming and laborious. UTILITY MODEL CONTENTS

[0004] The utility model aims at the deficiency of prior art and provides a guide yarn mechanism of double needle bed warp knitting machine, optimizes the mounting structure of guide yarn seat and guide yarn tube, realizes quick disassembly and quick installation of guide yarn tube, and improves guide yarn tube replacement and displacement efficiency.

[0005] The technical scheme for realizing the utility model is as follows:

[0006] A guide yarn mechanism of double needle bed warp knitting machine, including a pair of guide yarn seats installed on the side of beam and multiple guide yarn tubes arranged in space parallelly between the two guide yarn seats, the guide yarn seat is provided with multiple mounting grooves, the mounting groove has an opening extending to the edge of guide yarn seat, the guide yarn tube is embedded in the mounting groove from the opening and connected with the mounting groove to be detachably mounted on the guide yarn seat rotating bearing.

[0007] Further, the rotating bearing includes a bearing seat and a universal bearing arranged in the bearing seat, the bearing seat is detachably fixed on the guide yarn seat, the outer ring of universal bearing is fixedly connected with the bearing seat, and the inner ring is fixedly sleeved on the guide yarn tube.

[0008] Further, the bearing seat is a sheet structure, and integral mounting ears are symmetrically arranged on two sides, and fastening screws are arranged on the mounting ears and screwed on the guide seat.

[0009] Further, the mounting slot is a circular hole, and a positioning convex part corresponding to the mounting slot is arranged on the bearing seat, and a shock pad is arranged on the positioning convex part and sleeved on the positioning convex part.

[0010] Further, a reinforcing plate is arranged at the connection between the cross beam and the guide seat.

[0011] By adopting the above technical scheme, the utility model has the following beneficial effects:

[0012] (1) The utility model optimizes the structure of the guide seat on the basis of the existing structure, optimizes the mounting hole of the traditional closed structure into the mounting slot with the opening, thereby changing the mounting structure of the guide seat and the guide pipe, and when the rotating bearing is detached from the guide seat, the whole guide pipe can be taken down through the opening of the mounting slot, and vice versa, the disassembly and assembly mode of the guide pipe is changed, the quick disassembly and quick assembly of the guide pipe are realized, and the replacement and displacement efficiency of the guide pipe is improved.

[0013] (2) The utility model adopts the universal bearing to connect the guide pipe and the guide seat, reduces the machining precision requirement of the guide pipe, avoids the jamming of the guide pipe due to the coaxiality deviation when rotating, and affects the guide performance.

[0014] (3) The bearing seat of the utility model adopts the sheet structure, and the integral mounting ear is arranged, so that the connection with the guide seat is facilitated.

[0015] (4) The utility model sets the mounting slot into the circular hole, and the positioning convex part and the shock pad are arranged, so that the partial vibration caused by the rotation of the guide pipe can be absorbed through the shock pad, the force can be transmitted to the guide seat through the positioning convex part and the shock pad, and the stability of the overall structure is improved.

[0016] (5) The utility model sets the reinforcing plate, improves the structural strength of the connection, and further improves the mounting stability of the guide seat. DRAWINGS

[0017] In order to make the content of the utility model more easily understood clearly, the utility model is further described in detail below according to specific embodiments and in combination with the drawings, in which:

[0018] Figure 1 is a structural schematic view of the utility model;

[0019] Figure 2 is a partial enlarged view of A in the utility model Figure 1 .

[0020] The labels in the attached diagram are:

[0021] 1. Crossbeam, 2. Yarn guide seat, 2-1. Mounting groove, 2-2. Yarn guide tube, 3. Rotary bearing, 4. Bearing seat, 4-1. Positioning protrusion, 4-1-1. Universal bearing, 4-2. Reinforcing plate, 5. Detailed Implementation

[0022] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0023] (Example 1)

[0024] like Figures 1 to 2 The yarn guiding mechanism of the double needle bed warp knitting machine shown includes a crossbeam 1, a yarn guide seat 2, a yarn guide tube 3, and a rotating bearing 4. There are four yarn guide seats 2, arranged in pairs on both sides of the crossbeam 1. Each pair of yarn guide seats 2 is positioned opposite each other on the side of the crossbeam 1 near both ends. Multiple yarn guide tubes 3 are arranged parallel to each other in space. The yarn guide seat 2 has multiple mounting slots 2-1. Each mounting slot 2-1 has an opening 2-2 extending to the edge of the yarn guide seat 2. The yarn guide tube 3 is inserted into the mounting slot 2-1 from the opening and rotates with the mounting slot through the rotating bearing 4. The rotating bearing 4 is detachably mounted on the yarn guide seat 2. When the rotating bearing 4 is removed from the yarn guide seat 2, the entire yarn guide tube 3 can be removed through the opening of the mounting slot 2-1. Conversely, it can be reassembled. This changes the way the yarn guide tube is disassembled and assembled, enabling quick disassembly and assembly of the yarn guide tube 3 and improving the efficiency of replacing and moving the yarn guide tube 3.

[0025] Specifically, a reinforcing plate 5 is provided at the connection between the crossbeam 1 and the yarn guide seat 2 to improve the structural strength of the connection and thus improve the installation stability of the yarn guide seat 2. The yarn guide seat 2 is provided with multiple waist-shaped holes, and the yarn guide seat 2 is detachably fixed to the crossbeam 1 by bolts passing through the waist-shaped holes and tightening them.

[0026] The rotating bearing 4 includes a bearing housing 4-1 and a universal bearing 4-2 disposed within the bearing housing 4-1. The bearing housing 4-1 has a thin-plate structure with symmetrically formed mounting ears on both sides, forming a plate-clamp bearing. The mounting ears are provided with fastening screws that are tightened onto the yarn guide seat 2, enabling a detachable connection. The outer ring of the universal bearing 4-2 is fixedly connected to the bearing housing 4-1, and the inner ring is fixedly sleeved on the yarn guide tube 3.

[0027] The mounting groove 2-1 is a circular hole, the bearing seat 4-1 is provided with a positioning protrusion 4-1-1 corresponding to the mounting groove 2-1, and a damping pad is arranged between the positioning protrusion 4-1-1 close to the mounting groove side and the mounting groove 2-1 and sleeved on the positioning protrusion 4-1-1, so that part of vibration caused by rotation of the yarn guide tube can be absorbed through the damping pad, force can be transmitted to the yarn guide seat through the positioning protrusion and the damping pad, and the stability of the overall structure is improved.

[0028] The utility model discloses on the basis of existing structure, the structure of yarn guide seat 2 is optimized, and the mounting hole of traditional closed structure is optimized into the mounting groove 2-1 with the opening, thereby changing the mounting structure of yarn guide seat 2 and yarn guide tube 3, when the rotating bearing 4 is separated from yarn guide seat 2, the whole yarn guide tube 3 can be taken down through the opening of mounting groove 2-1, and vice versa, the mounting mode of yarn guide tube 3 is changed, the quick disassembly and quick assembly of yarn guide tube 3 are realized, and the replacement and displacement efficiency of yarn guide tube 3 are improved.

[0029] The above specific embodiments further specifically describe the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above description is only for specific embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A yarn guide mechanism of a double needle bed warp knitting machine comprising a pair of yarn guide stands mounted on the side edges of a beam and a plurality of yarn guide tubes arranged in parallel in space between the two yarn guide stands, characterized in that: The yarn guide seat is provided with a plurality of mounting slots having openings extending to the edge of the yarn guide seat, the yarn guide tube is embedded in the mounting slots from the openings and is detachably mounted on the rotating bearing of the yarn guide seat.

2. A yarn guide mechanism for a double needle bed warp knitting machine according to claim 1, characterized in that: The rotating bearing comprises a bearing seat and a universal bearing arranged in the bearing seat, the bearing seat is detachably fixed on the yarn guide seat, the outer ring of the universal bearing is fixedly connected with the bearing seat, and the inner ring is fixedly sleeved on the yarn guide tube.

3. A yarn guide mechanism for a double needle bed warp knitting machine according to claim 2, characterized in that: The bearing seat is in a sheet type structure, and integrally formed mounting ears are symmetrically arranged on both sides, the mounting ears are provided with fastening screws which are screwed on the yarn guide seat.

4. A yarn guide mechanism for a double needle bed warp knitting machine according to claim 2, characterized in that: The mounting slots are circular holes, the bearing seat is provided with positioning protrusions corresponding to the mounting slots, and a shock absorbing pad is sleeved on the positioning protrusions between the mounting slots and the positioning protrusions.

5. A yarn guide mechanism for a double needle bed warp knitting machine according to claim 1, characterized in that: A reinforcing plate is arranged at the connection between the cross beam and the yarn guide seat.

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