Core-spun yarn spinning positioning device

Abstract

The utility model discloses a core-spun yarn spinning positioning device, which is characterized in that a screw is divided into a left screw and a right screw, driving gears are fixedly connected onto the left screw and the right screw, a mounting frame connected with a base in a sliding manner is further arranged, and a left driving sleeve and a right driving sleeve are respectively arranged on two sides of the mounting frame. Racks capable of being meshed with the driving gears are arranged in the left driving sleeve and the right driving sleeve, and a switching module is arranged to drive the mounting frame to move so that tooth grooves in the left driving sleeve and the right driving sleeve can be switched between being meshed with the driving gears on the two sides or being meshed with a certain single driving gear; therefore, the sliding blocks on the two sides are driven at the same time or the sliding block on one side is independently driven to move, and the positioning device is more flexible to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of spinning, more specifically, it relates to a core-spun yarn spinning positioning device. BACKGROUND

[0002] The core-spun yarn spinning positioning device is used for ensuring the accurate and stable positioning of yarn on a spinning machine during the spinning process. For example, the core-spun yarn spinning positioning device disclosed in CN216074167U includes a base, a fixed frame mounted on the top of the base, a screw rod rotatably connected to the fixed frame, a driving component mounted on one end of the screw rod, a left threaded segment and a right threaded segment of the screw rod on both sides of the middle part, a left sliding block and a right sliding block threadedly engaged with the screw holes on the left threaded segment and the right threaded segment, respectively, a sliding groove provided on the base and slidably engaged with one end of the left sliding block and the right sliding block, and a guide roller connected to the other end of the left sliding block and the right sliding block. This core-spun yarn spinning positioning device can flexibly adjust the eccentric angle and position of the two yarns when they are folded, is easy to operate, has high practicability, and helps to ensure the quality of the core-spun yarn.

[0003] However, the left sliding block and the right sliding block of this device can only move synchronously, and cannot independently adjust the position of the guide roller on one side, which is not flexible to use.

[0004] Based on the above, the utility model aims to provide a core-spun yarn spinning positioning device to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a core-spun yarn spinning positioning device. The utility model divides the screw rod into a left screw rod and a right screw rod, and fixedly connects driving gears to the left screw rod and the right screw rod. An installation frame is slidably connected to the base. Left and right driving sleeves are provided on both sides of the installation frame. A rack that can engage with the driving gears is provided in each driving sleeve. A switching module is provided to drive the installation frame to move, so that the tooth slots in the left and right driving sleeves switch between engaging with the driving gears on both sides or engaging with a single driving gear. This allows the left and right sliding blocks to be driven simultaneously or a single sliding block to be driven independently, making the positioning device more flexible to use.

[0006] The technical purpose is achieved through the following technical scheme: a core-spun yarn spinning positioning device, comprising a base, a screw rod is rotatably connected to the base, left and right sliding blocks are slidably connected to the base, the screw rod comprises left and right screws with opposite screw directions, the left and right sliding blocks are threadedly connected with the left and right screws respectively, a mounting frame is slidably connected to the base, left and right drive sleeves are arranged on the two sides of the mounting frame respectively, the left and right screws extend into the left and right drive sleeves respectively, a drive gear is fixedly connected to one side of the left and right screws in the left and right drive sleeves respectively, a tooth groove that can mesh with the drive gear is arranged in the left and right drive sleeves, a switching module that drives the mounting frame to move is arranged on the base, the tooth groove in the left and right drive sleeves can be switched between meshing with the two drive gears or meshing with a single drive gear through the driving of the mounting frame, and a driving mechanism that drives the left and right drive sleeves to rotate is arranged on the base.

[0007] When it is needed to simultaneously adjust the positions of the left and right sliding blocks, the left and right drive sleeves are simultaneously rotated through the driving of the driving mechanism, the left and right drive sleeves drive the two drive gears through the tooth groove, and then the left and right screws are synchronously rotated, when it is needed to separately adjust the position of the left sliding block or the right sliding block, for example, when it is needed to separately adjust the position of the left sliding block, the mounting frame is driven to move to the left sliding block through the switching module, and then the tooth groove of the right drive sleeve is separated from the drive gear on the right screw, at this time, the drive gear on the left screw is still meshed with the tooth groove in the left drive sleeve, and then the left drive sleeve is driven to rotate through the driving mechanism, and the position of the left sliding block is separately adjusted.

[0008] The utility model further sets up: the driving mechanism includes with mounting frame fixed connection's motor, the output shaft of motor is provided with one end with its fixed connection's worm, the other end of worm is rotatably connected with mounting frame, the mounting frame is rotatably connected with the worm gear that cooperates with worm, the left drive sleeve and right drive sleeve are all fixed connection with worm gear.

[0009] The utility model further sets up: still be provided with the limiting mechanism that position limits left screw or right screw on the base, the limiting mechanism includes two limit gears that are fixedly connected with left screw and right screw respectively, the two sides of base are all fixedly connected with slope, the two sides of base are all slidably connected with the slide bar that position corresponds with limit gear, the side close to limit gear of slide bar is fixedly connected with the limit catch that can mesh with limit gear, the other end of two sides slide bar is respectively with two sides slope abuts.

[0010] The utility model further sets up: switching module includes electric push rod of fixed connection with base, the protruding end of electric push rod is fixedly connected with mounting bracket.

[0011] To sum up, the utility model has the following beneficial effects:

[0012] The utility model discloses a screw rod is divided into left screw rod and right screw rod, and driving gear is fixedly connected on left screw rod and right screw rod, and the mounting bracket of base sliding connection is also set up, and the both sides of mounting bracket are provided with left drive sleeve and right drive sleeve respectively, and the rack that can be engaged with driving gear is arranged in left drive sleeve and right drive sleeve, and through setting up switching module, the rack groove in left drive sleeve and right drive sleeve can be switched between engaging with both sides driving gear or engaging with a single driving gear, and then the both sides slider or single slider is driven to move, and the positioning device is more flexible to use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 For the whole structure of the utility model patent Figure One , shows the whole structure of the utility model;

[0014] Figure 2 For the whole structure of the utility model patent Figure Two , shows the structure of driving mechanism.

[0015] In the drawing: 1, base;2, left slider;3, right slider;4, left screw rod;5, right screw rod;6, mounting bracket;7, left drive sleeve;8, right drive sleeve;9, driving gear;10, rack groove;11, motor;12, worm;13, worm wheel;14, limit gear;15, slope;16, slide rod;17, limit click;18, electric push rod. DETAILED DESCRIPTION

[0016] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments, and it is explained that the embodiments of the application and the features in the embodiments can be combined mutually without conflict.

[0017] In the description of the utility model, it is explained that the orientation or position relation of the terms "up", "down", "inner", "outer", "top / bottom end" etc. is based on the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, structure and operation, therefore can not be understood as the limitation of the utility model.

[0018] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mount", "have", "sleeve set / connect", "connect" and the like should be understood broadly, for example, "connect", can be fixedly connected, also can be detachably connected, or integrally connected, can be mechanically connected, also can be electrically connected, can be directly connected, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements.

[0019] The utility model is described in detail below with reference to the drawings.

[0020] A core yarn spinning positioning device, as shown in Figures 1-2 The left and right drive sleeves 7 and 8 are fixedly connected with the worm wheel 13. The utility model discloses a kind of core yarn spinning positioning device, as shown in

[0021] Further, the driving mechanism includes motor 11 fixedly connected with mounting frame 6, the output shaft of motor 11 is equipped with one end with its fixed connection worm 12, the other end of worm 12 is rotatably connected with mounting frame 6, mounting frame 6 is rotatably connected with the worm wheel 13 matched with worm 12, left drive sleeve 7 and right drive sleeve 8 are fixedly connected with worm wheel 13.

[0022] Further, the base 1 is further provided with a limiting mechanism for limiting the left screw rod 4 or the right screw rod 5, the limiting mechanism comprises two limiting gears 14 fixedly connected with the left screw rod 4 and the right screw rod 5 respectively, the two sides of the base 1 are fixedly connected with slopes 15, the two sides of the base 1 are slidingly connected with slide rods 16 corresponding to the limiting gears 14, one side of the slide rod 16 close to the limiting gear 14 is fixedly connected with a limiting tooth 17 which can engage with the limiting gear 14, the other end of the slide rod 16 is abutted with the slope 15, and the slide rod is a polygonal structure.

[0023] Further, the switching module comprises an electric push rod 18 fixedly connected with the base 1, and the extending end of the electric push rod 18 is fixedly connected with the mounting frame 6.

[0024] Working principle: when the relative positions of the left sliding block 2 and the right sliding block 3 need to be adjusted simultaneously, the left driving sleeve 7 and the right driving sleeve 8 are driven to rotate simultaneously by the motor 11, the worm 12 and the worm gear 13, the left driving sleeve 7 and the right driving sleeve 8 drive the two sides driving gears 9 through the two sides tooth grooves 10, and then drive the left screw rod 4 and the right screw rod 5 to rotate synchronously. When the position of the left sliding block 2 or the right sliding block 3 needs to be adjusted individually, for example, when the position of the left sliding block 2 needs to be adjusted individually, the mounting frame 6 is driven to move to the left sliding block 2 direction by the electric push rod 18, and then the tooth groove 10 of the right driving sleeve 8 is separated from the driving gear 9 on the right screw rod 5, at this time, the driving gear 9 on the left screw rod 4 is still engaged with the tooth groove 10 in the left driving sleeve 7, at this time, the left driving sleeve 7 is driven to rotate by the driving mechanism, and then the position of the left sliding block 2 is adjusted individually.

[0025] In the above process, the mounting frame 6 also drives the two sides slopes 15 to move, the slope 15 pushes the slide rod 16 to rise, until the limiting tooth 17 is engaged with the limiting gear 14 on the right screw rod 5, at this time, when the left screw rod 4 is driven to rotate by the driving mechanism, the right screw rod 5 will not rotate, and then the position of the right sliding block 3 will not be deviated.

[0026] The preferred embodiments of the present application have been described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical scheme falling within the idea of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application can also be considered as the protection scope of the present application.

Claims

1. A core-spun yarn spinning positioning device, comprising a base (1), a screw being rotatably connected to the base (1), and a left slider (2) and a right slider (3) being slidably connected to the base (1), characterized in that: The screw rod comprises a left screw rod (4) and a right screw rod (5) with opposite thread directions, the left slider (2) and the right slider (3) are respectively threadedly connected to the left screw rod (4) and the right screw rod (5), a mounting frame (6) is slidably connected to the base (1), and a left drive sleeve (7) and a right drive sleeve (8) are respectively provided on both sides of the mounting frame (6), the left screw rod (4) and the right screw rod (5) respectively extend into the left drive sleeve (7) and the right drive sleeve (8), and the left screw rod (4) and the right screw rod (5) are respectively located on one side of the left drive sleeve (7) and the right drive sleeve (8) and are fixed. The drive gear (9) is connected to the left drive sleeve (7) and the right drive sleeve (8). A tooth groove (10) that can mesh with the drive gear (9) is provided in both the left drive sleeve (7) and the right drive sleeve (8). A switching module that drives the mounting frame (6) to move is provided on the base (1). The switching module can be moved by the driving mounting frame (6) to switch the tooth grooves (10) in the left drive sleeve (7) and the right drive sleeve (8) between meshing with the drive gears (9) on both sides or meshing with a single drive gear (9). The base (1) is provided with a driving mechanism that drives the left drive sleeve (7) and the right drive sleeve (8) to rotate.

2. A core-spun yarn spinning positioning device according to claim 1, characterized in that: The driving mechanism comprises a motor (11) fixedly connected to a mounting frame (6); a worm (12) having one end fixedly connected to the output shaft of the motor (11); the other end of the worm (12) being rotatably connected to the mounting frame (6); a worm wheel (13) cooperating with the worm wheel (12) being rotatably connected to the mounting frame (6); and the left driving sleeve (7) and the right driving sleeve (8) being fixedly connected to the worm wheel (13).

3. The core-spun yarn spinning positioning device according to claim 1, characterized in that: The base (1) is also provided with a limiting mechanism for limiting the left screw (4) or the right screw (5), and the limiting mechanism includes two limiting gears (14) fixedly connected to the left screw (4) and the right screw (5), respectively. Both sides of the base (1) are fixedly connected with ramps (15), and both sides of the base (1) are slidably connected with slide bars (16) whose positions correspond to the limiting gears (14). The side of the slide bar (16) close to the limiting gear (14) is fixedly connected with a limiting tooth (17) that can mesh with the limiting gear (14), and the other ends of the slide bars (16) on both sides are respectively in contact with the ramps (15) on both sides.

4. The core-spun yarn spinning positioning device according to claim 1, characterized in that: The switching module comprises an electric push rod (18) fixedly connected to the base (1), and the extended end of the electric push rod (18) is fixedly connected to the mounting frame (6).

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