Yarn roll positioning device of lease machine

Abstract

The utility model discloses a yarn roll positioning device of a lease machine. The yarn roll positioning device comprises a main support. Mounting frames are symmetrically arranged on the left and right sides of the front end of the mounting plate; the two positioning plates are positioned between the two mounting frames and are symmetrically arranged; each mounting frame is integrally in an isosceles triangle shape and comprises an upper oblique beam, a lower oblique beam and a bottom beam which are integrally formed, the upper oblique beams and the lower oblique beams are arranged in an equal-length mode, the bottom beams are fixedly mounted at the front ends of the mounting plates, two optical shafts are arranged between the two mounting frames, and the tail ends of the optical shafts are located on the tops of the upper oblique beams and the bottoms of the lower oblique beams respectively; the positioning plate is also triangular, the front end of the positioning plate is fixedly connected with a guide rod towards the outer side, and the guide rod penetrates through the front end of the mounting frame and is in sliding connection through a second linear bearing; the positioning plate and the yarn roll are supported through the two optical axes and the guide rods, the optical axes and the guide rods are used for supporting, and the stability of supporting of the positioning plate and the yarn roll is kept.

Description

Technical Field

[0001] The utility model relates to the field of a twisting machine, in particular to a yarn roll positioning device of a twisting machine. Background Art

[0002] In the weaving process of chemical fiber cloth, the warp yarn needs to be twisted through a twisting machine to facilitate the subsequent weaving. The twisting machine separates the full-width warp yarn into upper and lower layers through the twisting line and makes them into upper and lower twists in parallel.

[0003] For example, the patent with authorization announcement number: CN210237905U discloses a positioning frame for fixing the yarn roll of a twisting machine, which relates to the technical field of twisting machines. The positioning frame is arranged on the frame of the twisting machine and is located in front of the feeding end of the twisting machine, including a support frame arranged on the frame of the twisting machine, the support frame includes two support plates, the two support plates are respectively located at the two ends of the frame and are slidably connected to the frame, and the frame is also provided with a positioning mechanism for positioning the two support plates; the positioning mechanism includes a sliding groove opened on the frame and arranged along the length direction of the frame, and a rotating rod arranged in the sliding groove and rotatably connected to the two end walls of the sliding groove, the rotating rod has two reverse threads extending from its center to both ends, the two support plates are slidably connected in the sliding groove and are respectively located at the two ends of the sliding groove, and the rotating rod passes through the two support plates and is respectively threadedly connected to the two support plates.

[0004] The above patent provides a fixed frame to fix the yarn roll and limit the position of the yarn roll, thereby improving the twisting quality of the yarn; however, the disadvantage of the above patent is that the yarn roll is supported by a sliding block and is fixed laterally, and the overall structural strength is low. As the use time increases, the structure is prone to deformation.

[0005] Therefore, it is necessary for us to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0006] The purpose of the utility model is to provide a yarn reel positioning device for a twisting machine to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] The yarn reel positioning device of the twisting machine comprises a main bracket; the main bracket comprises a mounting plate, and mounting brackets are symmetrically arranged on the left and right sides of the front end of the mounting plate; it also comprises two mutually symmetrical positioning plates located between the two mounting brackets; the mounting bracket is in the shape of an isosceles triangle as a whole, and the mounting bracket comprises an upper inclined beam, a lower inclined beam and a bottom beam formed in one piece, wherein the upper inclined beam and the lower inclined beam are arranged in equal length, wherein the bottom beam is fixedly installed at the front end of the mounting plate, and two optical axes are arranged between the two mounting brackets, and the ends of the optical axes are respectively located at the top of the upper inclined beam and the bottom of the lower inclined beam; the positioning plate is also in the shape of a triangle, and the positioning plate A guide rod is fixedly connected to the outside at the front end, and the guide rod passes through the front end of the mounting frame and is slidably connected through a second linear bearing. The upper and lower ends of the rear side of the positioning plate are respectively slidably connected to the two optical axes through a first linear bearing; the positioning plate can slide along the optical axis; a ball screw mechanism is also arranged between the mounting frames, and a ball screw mechanism is arranged on the top of the mounting frame, and a driving mechanism is arranged at one end of the ball screw mechanism, and the driving mechanism is connected to the ball screw mechanism, and the ball screw mechanism is connected to the positioning plate; a positioning shaft is also fixedly installed on the inner side of the positioning plate, and the end of the yarn roll is plugged into the positioning shaft.

[0009] Furthermore, the main bracket includes a mounting plate, and a plurality of mounting holes are symmetrically arranged at the left and right ends of the mounting plate.

[0010] Furthermore, the angle between the upper inclined beam and the lower inclined beam is greater than ninety degrees.

[0011] Furthermore, the second linear bearing is fixedly installed at the intersection of the bottom of the upper inclined beam and the top of the lower inclined beam.

[0012] Furthermore, the ball screw mechanism is located between the two optical axes, and the ball screw mechanism includes a screw and a screw nut connected to the screw, the screw includes a left-handed screw segment and a right-handed screw segment that are symmetrically arranged, and the rotation directions of the left-handed screw segment and the right-handed screw segment are opposite; a screw nut is threadedly connected to the left-handed screw segment and the right-handed screw segment; the screw nut is fixedly mounted on the rear side of the positioning plate through a nut seat; the left and right ends of the screw are rotatably connected to the bottom beam through bearings.

[0013] Furthermore, the driving mechanism includes a driving motor, which is fixedly mounted on the front end of the main bracket via a motor bracket; the output of the driving motor is transmission-connected to one end of the screw rod via a coupling.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the positioning plates are driven to approach each other by the driving motor and the ball screw mechanism; thus, the yarn roll can be positioned;

[0015] The positioning plate and the yarn roll are supported by two optical axes and guide rods, and the optical axes and guide rods are supported at three points, thereby maintaining the stability of the positioning plate and the yarn roll support. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the yarn roll positioning device of the twisting machine.

[0017] Figure 2 This is a schematic structural diagram of the yarn reel positioning device of the twisting machine from another angle.

[0018] Figure 3 It is a front view of the yarn roll positioning device of the skeining machine.

[0019] Figure 4 It is a side view of the yarn roll positioning device of the skeining machine.

[0020] Figure 5 It is a top view of the yarn roll positioning device of the twilling machine. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0022] See also Figure 1-5 , a yarn reel positioning device for a skeining machine, comprising a main support 1;

[0023] The main support 1 includes a mounting plate 101, and a plurality of mounting holes are symmetrically arranged at the left and right ends of the mounting plate 101. Similar to the patent in the background technology, the entire yarn roll positioning device of the twisting machine of the present solution is installed in front of the feed end of the twisting machine by passing bolts through the mounting holes; mounting frames 102 are symmetrically arranged on the left and right sides of the front end of the mounting plate 101; and also includes two mutually symmetrical positioning plates 2 located between the two mounting frames 102;

[0024] The mounting frame 102 is in the shape of an isosceles triangle as a whole, and includes an upper inclined beam 103, a lower inclined beam 104 and a bottom beam 105 which are integrally formed, wherein the upper inclined beam 103 and the lower inclined beam 104 are arranged with equal length, and the angle between the upper inclined beam 103 and the lower inclined beam 104 is greater than ninety degrees, wherein the bottom beam 105 is fixedly mounted on the front end of the mounting plate 101, and two optical axes 3 are arranged between the two mounting frames 102, and the ends of the optical axes 3 are respectively located at the top of the upper inclined beam 103 and the bottom of the lower inclined beam 104;

[0025] In this solution, the positioning plate 2 and the yarn roll are supported by two optical axes 3;

[0026] In this solution, the positioning plate 2 is also triangular in shape, and a guide rod 201 is fixedly connected to the front end of the positioning plate 2 outward, and the guide rod 201 passes through the front end of the mounting frame 102 and is slidably connected through a second linear bearing 202;

[0027] Specifically, the second linear bearing 202 is fixedly installed at the intersection of the bottom of the upper inclined beam 103 and the top of the lower inclined beam 104;

[0028] The positioning plate 2 and the yarn roll are also supported by the guide rod 201;

[0029] In summary, the positioning plate 2 and the yarn roll are supported by two optical axes 3 and the guide rod 201, and the optical axis 3 and the guide rod are supported at three points, thereby maintaining the stability of the positioning plate 2 and the yarn roll support.

[0030] The upper and lower ends of the rear side of the positioning plate 2 are respectively slidably connected with the two optical axes 3 through the first linear bearings 203; the positioning plate 2 can slide along the optical axis 3;

[0031] A ball screw mechanism 4 is also provided between the mounting frames 1, a ball screw mechanism 4 is provided on the top of the mounting frame 1, a driving mechanism 5 is provided at one end of the ball screw mechanism 4, the driving mechanism 5 is drivingly connected to the ball screw mechanism 4, and the ball screw mechanism 4 is drivingly connected to the positioning plate 2;

[0032] The ball screw mechanism 4 is located between the two optical axes 3, and the ball screw mechanism 4 includes a screw rod 410 and a screw nut 420 connected to the screw rod 410. The screw rod 410 includes a left-handed screw rod segment 411 and a right-handed screw rod segment 412 that are symmetrically arranged, and the left-handed screw rod segment 411 and the right-handed screw rod segment 412 have opposite rotation directions; a screw nut 420 is threadedly connected to each other on the left-handed screw rod segment 411 and the right-handed screw rod segment 412; the screw nut 420 is fixedly installed on the rear side of the positioning plate 2 through a nut seat 421; the left and right ends of the screw rod 410 are rotatably connected to the bottom beam 105 through bearings;

[0033] The driving mechanism 5 includes a driving motor 501, which is fixedly mounted on the front end of the main support 1 through a motor bracket 502; the output of the driving motor 501 is connected to one end of the screw rod 410 through a coupling;

[0034] The driving motor 501 drives the screw rod 410 to rotate. Since the left-hand screw rod segment 411 and the right-hand screw rod segment 412 have opposite rotation directions, the movement directions of the left-hand screw rod nut 241 and the right-hand screw rod nut 222 threadedly connected to the left-hand screw rod segment 411 and the right-hand screw rod segment 412 are also opposite. By rotating the screw rod 410, the two positioning plates can be controlled to move closer or farther from each other.

[0035] A positioning shaft 6 is also fixedly mounted on the inner side of the positioning plate 2, and the end of the yarn roll is plugged into the positioning shaft 6;

[0036] When the utility model is used, the driving motor 501 drives the screw rod 410 to rotate, thereby driving the two positioning plates 2 connected to the left-handed screw rod segment 411 and the right-handed screw rod segment 412 to approach each other; when the positioning plates 2 approach each other, the positioning shaft 6 is inserted into the yarn roll.

[0037] In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "connection" and the like should be understood in a broad sense, for example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

Claims

1. A yarn reel positioning device for a stranding machine, comprising a main bracket; characterized in that: The main bracket includes a mounting plate, and mounting brackets are symmetrically arranged on the left and right sides of the front end of the mounting plate; it also includes two positioning plates symmetrically arranged between the two mounting brackets; the mounting bracket is in the shape of an isosceles triangle as a whole, and the mounting bracket includes an upper inclined beam, a lower inclined beam and a bottom beam formed in one piece, wherein the upper inclined beam and the lower inclined beam are arranged with equal length, wherein the bottom beam is fixedly installed at the front end of the mounting plate, and two optical axes are arranged between the two mounting brackets, and the ends of the optical axes are respectively located at the top of the upper inclined beam and the bottom of the lower inclined beam; the positioning plate is also in the shape of a triangle, and the front end of the positioning plate is fixedly connected to the outside There is a guide rod, which passes through the front end of the mounting frame and is slidably connected through a second linear bearing. The upper and lower ends of the rear side of the positioning plate are respectively slidably connected to the two optical axes through a first linear bearing; the positioning plate can slide along the optical axis; a ball screw mechanism is also arranged between the mounting frames, and a ball screw mechanism is arranged on the top of the mounting frame, and a driving mechanism is arranged at one end of the ball screw mechanism, and the driving mechanism is connected to the ball screw mechanism, and the ball screw mechanism is connected to the positioning plate; a positioning shaft is also fixedly installed on the inner side of the positioning plate, and the end of the yarn roll is plugged into the positioning shaft.

2. The yarn reel positioning device for a twisting machine according to claim 1, characterized in that: The main bracket comprises a mounting plate, and a plurality of mounting holes are symmetrically arranged at the left and right ends of the mounting plate.

3. The yarn reel positioning device for a twisting machine according to claim 1, characterized in that: The angle between the upper inclined beam and the lower inclined beam is greater than ninety degrees.

4. The yarn reel positioning device for a twisting machine according to claim 1, characterized in that: The second linear bearing is fixedly installed at the intersection of the bottom of the upper inclined beam and the top of the lower inclined beam.

5. The yarn reel positioning device for a twisting machine according to claim 1, characterized in that: The ball screw mechanism is located between the two optical axes, and includes a screw and a screw nut connected to the screw, the screw includes a left-hand screw segment and a right-hand screw segment symmetrically arranged, and the left-hand screw segment and the right-hand screw segment have opposite rotation directions; a screw nut is threadedly connected to the left-hand screw segment and the right-hand screw segment; the screw nut is fixedly mounted on the rear side of the positioning plate through a nut seat; the left and right ends of the screw are rotatably connected to the bottom beam through bearings.

6. The yarn reel positioning device for a twisting machine according to claim 5, characterized in that: The driving mechanism comprises a driving motor, which is fixedly mounted on the front end of the main bracket via a motor bracket; the output of the driving motor is transmission-connected to one end of the lead screw via a coupling.

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