Grading power device for removing winding of shuttle peg and shuttle shell

Abstract

The grading power device comprises a first motor, a second motor, a core shaft and a shaft sleeve, the shaft sleeve vertically penetrates through and is connected to a base plate of a winding removing positioning execution device in a circumferential rotating mode, and the interior of the shaft sleeve is vertically limited and is connected with the core shaft in a circumferential rotating mode in an inserted mode. The top of the mandrel coaxially and rotatably supports the bobbin and the bobbin case; the outer wall of the shaft sleeve is fixedly provided with a restraining block which is clamped on the outer wall of the bobbin case so as to limit the circumferential rotation of the bobbin case; the first motor and the second motor are both fixedly arranged at the bottom of a base plate of the winding removing positioning execution device, the first motor provides rotating power for the mandrel, and the second motor provides rotating power for the shaft sleeve. The device can realize independent rotary support of the shuttle peg and the shuttle case, is not only suitable for preliminary winding of the shuttle peg, but also suitable for winding in the winding groove of the shuttle case after the shuttle peg is buckled with the shuttle case, independently controls the rotary power of the shuttle peg and the shuttle case, and is simple in structure and easy to realize.

Description

Technical Field

[0001] This utility model relates to the field of textile equipment technology, and in particular to a graded power device for bobbin and bobbin case dewinding. Background Technology

[0002] The bobbin and bobbin case are the thread-feeding components of an embroidery machine. Their function is to supply thread to the embroidery machine for automated knitting. Usually, an embroidery machine will store multiple bobbin and bobbin cases for thread supply. When the bobbin and bobbin case that is replaced by the embroidery machine has insufficient excess thread, it faces the process of removing excess thread and rewinding the thread. Currently, the problem of removing excess thread and rewinding the bobbin and bobbin case is solved by a combination of manual labor and some automated thread winding equipment. However, manual thread removal and rewinding limits production efficiency and wastes manpower.

[0003] The applicant achieved automatic winding of the bobbin and bobbin case by developing the previous generation of products:

[0004] CN2024218604240 discloses a de-winding positioning execution device for a winding machine. This device is installed on a fully automatic winding and de-winding platform for the bobbin and bobbin case. The positioning execution device includes a base plate, a de-winding shaft seat, a vertical positioning arm, a horizontal positioning arm, a de-winding section, and a vacuum tube. The base plate has a vertically penetrating and rotatably connected de-winding shaft seat that axially supports the bobbin. The base plate also has a vertically flipped vertical positioning arm that axially engages and positions the bobbin, and a horizontally rotatably connected horizontal positioning arm that adjusts contact with the circumferential outer wall of the bobbin. The de-winding section is rotatably connected to the base plate and rotates synchronously and in the same direction as the de-winding shaft seat. The vacuum tube is fixed to one side of the base plate to absorb and remove excess thread wound on the bobbin. This device can automatically identify and position the bobbin, automatically remove excess thread, and automatically position and wind new thread, thus solving the problem of low efficiency in existing manual de-winding and winding processes. It also has a simple structure and is easy to implement.

[0005] CN2023118085060 discloses a fully automatic winding and unwinding platform for textile machine bobbins and bobbins. It includes a power control system that provides a robotic arm with displacement power and positioning control in the XY horizontal plane above a base plate. The platform's inlet end is equipped with a clamping and feeding device, and a cutting device connected to the outlet end of the clamping and feeding device is also installed. Through the power control system and the robotic arm's Z-axis lifting control, the platform enables precise positioning of the robotic arm's three-axis displacement above the base plate, facilitating the positioning of the thread end for attachment. The clamping and feeding device provides electric braking, manual damping adjustment, and electric tension adjustment during the thread feeding process, facilitating the conveying displacement when the robotic arm clamps the thread end. The cutting device clamps and positions the cut thread end, allowing the robotic arm to grasp the severed thread end.

[0006] However, during the use of the previous generation of products, the applicant found that the bobbin and bobbin case were powered by the dewinding shaft seat during rotation, and the bobbin was vertically clamped by the pressure cap device. The drawback of this structure is that after the new thread is wound on the bobbin, the bobbin case needs to be fastened to the bobbin, and then the thread end left on the bobbin is wound into the multiple winding grooves on the bobbin case. During this process, the bobbin will spin freely inside the bobbin case, or the bobbin case will rotate uncontrollably, making it difficult to perform the winding process.

[0007] Therefore, how to separate the rotational power of the bobbin and the bobbin during the bobbin winding process (i.e., separate control of the rotation of the bobbin and the bobbin) and avoid uncontrollable rotation of the bobbin or the bobbin when the bobbin is pulled by the robot arm and wound around the bobbin groove has become a technical problem that urgently needs to be solved by those in the field. Utility Model Content

[0008] The purpose of this invention is to address the shortcomings of existing technologies by proposing a graded power device for bobbin and bobbin case dewinding. This device can achieve independent rotational support for the bobbin and bobbin case, and is suitable not only for the initial winding of the bobbin, but also for winding the bobbin in the bobbin case winding groove after the bobbin is engaged with the bobbin case. It can independently control the rotational power of the bobbin and bobbin case, and has a simple structure that is easy to implement.

[0009] The present invention provides a graded power device for bobbin and bobbin case dewinding. The graded power device is vertically limited and circumferentially rotatably connected to the dewinding positioning execution device of the winding machine, and the top of the graded power device rotatably supports the bobbin and bobbin case.

[0010] The graded power unit includes a first motor, a second motor, a mandrel, and a bushing. The bushing is vertically penetrating and circumferentially rotatably connected to the base plate of the dewinding positioning actuator. The mandrel is vertically limited and circumferentially inserted into the bushing. The top of the mandrel coaxially rotatably supports the bobbin and the bobbin case. A constraint block is fixed on the outer wall of the bushing, which is engaged with the outer wall of the bobbin case to limit the circumferential rotation of the bobbin case. The first motor and the second motor are both fixed at the bottom of the base plate of the dewinding positioning actuator. The first motor provides rotational power to the mandrel, and the second motor provides rotational power to the bushing.

[0011] Preferably, the top of the bushing has a radially protruding bushing seat integrally formed, a first bearing is rotatably mounted on the middle outer wall of the bushing, a second bearing is rotatably embedded on the bottom inner wall of the bushing, and a bushing wheel is coaxially fixed on the bottom outer wall of the bushing.

[0012] The top of the bushing seat rotates circumferentially and axially supports the top shaft end of the spindle. A constraint block that protrudes radially and is engaged with the outer circumferential wall of the bushing seat is fixed on the outer circumferential wall of the shuttle case.

[0013] The two axial end faces of the first bearing are connected to the base plate by snap rings, and the base plate provides circumferential rotational support and axial constraint positioning for the bushing via the first bearing;

[0014] The second bearing has an internal coaxially inserted mandrel. The two axial end faces of the mandrel are respectively connected to the inner wall of the bushing and the outer wall of the mandrel by snap rings. The bushing provides circumferential rotational support and axial constraint positioning for the mandrel.

[0015] The bushing pulley is connected to the power output end of the second motor via the second transmission belt.

[0016] Preferably, a spindle wheel is coaxially fixed at the bottom end of the spindle, and the spindle wheel is poweredly connected to the power output end of the first motor through a first transmission belt.

[0017] The advantages and technical effects of this utility model are as follows:

[0018] This utility model discloses a graded power device for bobbin and bobbin case de-winding, which provides rotational power to the mandrel via a first motor and rotational power to the bushing via a second motor. The bushing provides circumferential rotation and axial limiting for the mandrel, and a constraint block fixed on the bushing is radially engaged with a protrusion on the outside of the bobbin case, thereby achieving circumferential rotational constraint between the bushing and the bobbin case. The rotation of the bushing is precisely controlled by the second motor, which makes the winding of the thread end into the winding groove more accurate. Finally, the mandrel provides rotational power to the bobbin to achieve: 1. During the initial winding of new thread on the bobbin, the capping in the applicant's prior research results provides axial limiting and circumferential damping clamping of the bobbin; 2. During the process of fastening the bobbin to the bobbin and winding the thread end in the winding groove of the bobbin case, uncontrollable rotation between the bobbin and the bobbin case is prevented. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention on the de-winding positioning actuator;

[0020] Figure 2 This is a bottom view of the structure of the present invention in the dewinding positioning actuator;

[0021] Figure 3 This is a bottom view schematic diagram of the structure of this utility model.

[0022] Figure 4 for Figure 3 A partial sectional view of section AA in the middle;

[0023] Figure 5 This is a top view of the constraint block engaging the outer circumferential wall of the shuttle shell in this utility model.

[0024] In the figure: 1-base plate; 2-hairpin; 3-grading power unit; 4-first transmission belt; 5-second transmission belt; 6-second motor; 7-first motor; 8-hair shell; 9-constraint block; 10-shaft sleeve seat; 11-first bearing; 12-shaft sleeve; 13-second bearing; 14-shaft sleeve wheel; 15-mandrel wheel; 16-mandrel. Detailed Implementation

[0025] The embodiments of the utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the utility model, and should not be construed as limiting the utility model.

[0026] In the description of the utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing the utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] The present invention provides a graded power device for bobbin and bobbin case dewinding. The graded power device 3 is vertically limited and circumferentially rotatably connected to the dewinding positioning execution device of the winding machine, and the top of the graded power device rotatably supports the bobbin 2 and bobbin case 8.

[0028] The graded power unit includes a first motor 7, a second motor 6, a spindle 16, and a bushing 12. The bushing is vertically penetrating and circumferentially rotatably connected to the base plate 1 of the dewinding positioning actuator. The inner vertical limit and circumferential rotatable insertion of the spindle are located inside the bushing. The top of the spindle coaxially rotatably supports the bobbin and the bobbin case. A constraint block 9 is fixed on the outer wall of the bushing, which is snapped onto the outer wall of the bobbin case to limit the circumferential rotation of the bobbin case. The first motor and the second motor are both fixed at the bottom of the base plate of the dewinding positioning actuator. The first motor provides rotational power to the spindle, and the second motor provides rotational power to the bushing.

[0029] Preferably, the top of the bushing has a radially protruding bushing seat 10 integrally formed, the middle outer wall of the bushing is rotatably fitted with a first bearing 11, the bottom inner wall of the bushing is rotatably fitted with a second bearing 13, and the bottom outer wall of the bushing is coaxially fixed with a bushing wheel 14.

[0030] The top of the bushing seat rotates circumferentially and axially supports the top shaft end of the spindle. A constraint block that protrudes radially and is engaged with the outer circumferential wall of the bushing seat is fixed on the outer circumferential wall of the shuttle case.

[0031] The two axial end faces of the first bearing are connected to the base plate by snap rings, and the base plate provides circumferential rotational support and axial constraint positioning for the bushing via the first bearing;

[0032] The second bearing has an internal coaxially inserted mandrel. The two axial end faces of the mandrel are respectively connected to the inner wall of the bushing and the outer wall of the mandrel by snap rings. The bushing provides circumferential rotational support and axial constraint positioning for the mandrel.

[0033] The bushing pulley is connected to the power output end of the second motor via the second transmission belt 5.

[0034] Preferably, a spindle wheel 15 is coaxially fixed at the bottom end of the spindle, and the spindle wheel is poweredly connected to the power output end of the first motor through the first transmission belt 4.

[0035] To more clearly illustrate the specific implementation of this utility model, an embodiment is provided below:

[0036] This utility model discloses a graded power device for dewinding bobbin and bobbin case, which is a partial structural improvement within "a dewinding positioning execution device for a winding machine" in the applicant's prior research on "fully automatic bobbin and bobbin case winding and dewinding platform". During operation:

[0037] First, place the bobbin on the top of the spindle, then press the bobbin axially with the pressure cap, and then start the first motor to cooperate with the rotating wire clamping and negative pressure suction mechanism in the winding positioning actuator to remove the excess wire wrapped on the bobbin;

[0038] When winding new thread onto the bobbin, the first motor is also started to drive the bobbin to rotate until the new thread is wound onto the bobbin.

[0039] During the final winding process, the bobbin case is first fastened to the bobbin (at this time, the bobbin case is circumferentially constrained by the constraint block, causing the bobbin case to rotate synchronously driven by the bushing). The robotic arm in the "automatic bobbin and bobbin case winding and unwinding platform" grabs the thread end left in the bobbin and, in conjunction with the rotation of the second motor, winds the thread end into the winding groove on the bobbin case. Finally, the first motor is started to drive the bobbin to take in the thread, and the excess thread end pulled out from the bobbin during the robotic arm winding process is wound back into the bobbin.

[0040] Finally, any parts of the utility model not described herein shall utilize mature products and technologies already available in the prior art.

[0041] In the description of this specification, references to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example that are included in the embodiment or example of the utility model.

[0042] Although embodiments of the utility model have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A graded power device for bobbin and bobbin case dewinding, wherein the graded power device is vertically limited and circumferentially rotatably connected to the dewinding positioning execution device of the winding machine, and the top of the graded power device rotatably supports the bobbin and bobbin case. Its features are: The graded power device includes a first motor, a second motor, a mandrel, and a bushing. The bushing is vertically penetrating and circumferentially rotatably connected to the base plate of the dewinding positioning actuator. The mandrel is vertically limited and circumferentially inserted into the bushing. The top of the mandrel coaxially rotatably supports the bobbin and the bobbin case. A constraint block is fixed on the outer wall of the bushing, which is engaged with the outer wall of the bobbin case to limit the circumferential rotation of the bobbin case. The first motor and the second motor are both fixed at the bottom of the base plate of the dewinding positioning actuator. The first motor provides rotational power to the mandrel, and the second motor provides rotational power to the bushing.

2. The graded power device for bobbin and bobbin case dewinding according to claim 1, characterized in that: The top of the bushing has a radially protruding bushing seat integrally formed, a first bearing is rotatably mounted on the outer wall of the middle part of the bushing, a second bearing is rotatably embedded on the inner wall of the bottom of the bushing, and a bushing wheel is coaxially fixed on the outer wall of the bottom of the bushing. The top of the bushing seat rotates circumferentially and axially supports the top shaft end of the spindle. A constraint block that protrudes radially and is engaged with the outer circumferential wall of the bushing seat is fixed on the outer circumferential wall of the shuttle case. The two axial end faces of the first bearing are connected to the base plate by snap rings, and the base plate provides circumferential rotational support and axial constraint positioning for the bushing via the first bearing; The second bearing has a coaxially inserted spindle inside. The two axial end faces of the spindle are respectively connected to the inner wall of the bushing and the outer wall of the spindle by snap rings. The bushing provides circumferential rotational support and axial constraint positioning for the spindle. The bushing pulley is connected to the power output end of the second motor via a second transmission belt.

3. The graded power device for bobbin and bobbin case dewinding according to claim 1, characterized in that: The bottom end of the mandrel is coaxially fixed with a mandrel wheel, which is connected to the power output end of the first motor via a first transmission belt.

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