CN212907806U - Winding needle device and winding device - Google Patents

Abstract

The application discloses a winding needle device and a winding device. The needle rolling device comprises an outer needle rolling unit, an inner needle and a clamping driving assembly. The outer winding needle unit comprises a first outer winding needle and a second outer winding needle. The inner needle is arranged between the first outer winding needle and the second outer winding needle in a position-adjustable manner. The clamping driving component drives the inner needle to move, so that the inner needle is abutted to the second outer winding needle. The application provides a roll up needle device and take-up device, simple structure, low in production cost can satisfy the production of the little electric core of internal perimeter simultaneously.

Description

Winding needle device and winding device

Technical Field

The application relates to the technical field of winding, in particular to a winding needle device and a winding device.

Background

The existing winding needle is divided into two inner needles and two outer needles, the two inner needles are oppositely arranged in the two outer needles, and the outer needles are opened and closed through the telescopic motion of push needles to clamp membrane materials.

The existing inner needle has a complex structure and needs to be respectively arranged on the two outer needles, so that the two outer needles are complex to process and high in production cost, the production of the electric core with small inner perimeter cannot be met, and the compatible range of the size of the electric core is limited.

SUMMERY OF THE UTILITY MODEL

The application provides a roll up needle device and take-up device, its simple structure, low in production cost can satisfy the production of the little electric core of internal perimeter simultaneously.

In a first aspect, an embodiment of the present invention provides a needle winding device, including:

an outer wrap needle unit including a first outer wrap needle and a second outer wrap needle;

the inner needle is arranged between the first outer winding needle and the second outer winding needle in an adjustable position; and

and the clamping driving component drives the inner needle to move, so that the inner needle is abutted to the second outer winding needle.

In the implementation process, the needle rolling device is simple in structure and low in manufacturing cost. When the film material is wound, one end of the film material passes through the space between the first outer winding needle and the second outer winding needle, the clamping driving assembly is started, the film material is abutted against the second outer winding needle through the inner needle, and the clamping of the film material is completed so as to carry out subsequent processes; simultaneously, compared with the prior art, the roll needle device realizes the centre gripping to membrane class material through less structure, can reduce the volume of rolling up the needle device, and then improves the compatibility of rolling up the needle device, for example, can adapt to the less electric core of internal perimeter.

In an alternative embodiment, the inner wall of the second outer wrap needle is formed with a groove;

the inner needle is matched with the groove through the driving of the clamping driving component.

The in-process of above-mentioned realization, when carrying out the centre gripping to membrane class material, interior needle is under centre gripping drive assembly's drive, can push into the recess with membrane class material among, interior needle agrees with the recess, can be fixed in membrane class material between the outer needle of rolling up of interior needle and second steadily, guarantee membrane class material and roll up the stability of being connected between the needle device, and simultaneously, because membrane class material is owing to being pushed in the recess, then do benefit to the location of membrane class material, avoid taking place the skew between membrane class material and the outer needle of rolling up of interior needle and second, thereby guarantee the normal clear of follow-up process.

In an alternative embodiment, the inner needle is rotatably disposed between the first outer wrap needle and the second outer wrap needle.

The in-process of the aforesaid realization, be different from among the prior art, adjust the position of interior needle for the outer needle of rolling up of second through rectilinear motion, in this scheme, interior needle is under centre gripping drive assembly's drive, take place to rotate, thereby the butt rolls up the needle outside the second, realize the centre gripping to membrane class material, adjust the position of interior needle for the outer needle of rolling up of second through rotary motion, do benefit to interior needle smoothly, accomplish the centre gripping to membrane class material steadily, and simultaneously, interior needle can produce the lag time with membrane class material contact because rotary motion, in lag time, interior needle can accomplish the location to membrane class material gradually, avoid membrane class material to take place the condition of skew, reduce the centre gripping effect.

In an alternative embodiment, the clamping driving assembly comprises a rotating shaft, a transmission assembly and a push pin driving mechanism;

the outer winding needle unit is provided with a winding needle mounting seat, and the rotating shaft is rotatably arranged in the scroll mounting seat and is connected with the inner needle;

the push pin driving mechanism drives the rotating shaft to rotate through the transmission assembly;

the transmission assembly comprises a first transmission block, a second transmission block and a return spring;

the first transmission block is connected with a push pin of the push pin driving mechanism, and a push cambered surface is formed on the first transmission block;

the second transmission block is connected with the rotating shaft, the reset spring is arranged between the second transmission block and the rotating shaft, and a rotating arc surface is formed on the second transmission block and matched with the pushing arc surface;

wherein, when first transmission piece promoted the second transmission piece, the propelling movement cambered surface acts on rotatory cambered surface, can order about the second transmission piece and drive the rotation axis and rotate.

In the implementation process, the clamping driving assembly is simple in structure and convenient to manufacture and assemble, and meanwhile, the push pin driving mechanism is common driving equipment in the needle winding equipment, so that the cost is low, the materials are convenient to obtain, and the needle winding device is convenient to manufacture; meanwhile, the telescopic stroke of the push needle driving mechanism determines the movement stroke of the inner needle, so that the inner needle can be guaranteed to accurately clamp the membrane material, the inner needle can be guaranteed to stably clamp the membrane material on the second outer rolling needle, meanwhile, the inner needle is guaranteed to apply appropriate acting force to the membrane material, and the situation that the inner needle is damaged due to excessive movement to generate overlarge acting force is avoided.

In an alternative embodiment, the inner needle is detachably connected to the rotation shaft.

In the implementation process, the inner needle can be conveniently detached from the rotating shaft, so that the inner needle is convenient to replace and maintain; the inner needle can be replaced at any time to adapt to different membrane materials.

In an alternative embodiment, the rotation shaft extends between the first outer wrap needle and the second outer wrap needle;

and a positioning structure is formed between the rotating shaft and the first outer winding needle and/or the second outer winding needle so as to lock the position of the rotating shaft relative to the first outer winding needle and the second outer winding needle.

In the process of realizing, the rotating shaft can keep a certain relative position with the outward rolling needle unit under the action of the positioning structure no matter in a static state or in a state that the push needle pushes the push needle to rotate, so that the rotating shaft is prevented from offsetting, the inner needle is ensured to move along a correct motion track, and the inner needle and the second outward rolling needle can stably clamp film materials.

In an alternative embodiment, the needle winding device further comprises a floating block, and the floating block is arranged on the inner needle and/or the groove.

In the implementation process, the floating block has three arrangement schemes, wherein one scheme is that the floating block is arranged on the inner needle; secondly, the floating block is arranged on the groove; thirdly, the inner needle and the groove are both provided with floating blocks; the floating block plays a role in compensating the gap, when the inner needle pushes the membrane material into the groove, the floating block between the inner needle and the groove can be compressed along with the engagement of the inner needle and the groove so as to fill the gap between the inner needle and the groove, ensure that the membrane material is in good contact with the inner needle and the concave surface, and be favorable for the membrane material to be firmly clamped by the inner needle and the second outer rolling needle.

In an alternative embodiment, the slider includes a float, a compression spring, and a screw;

the floating piece is elastically fixed on the inner needle and/or the groove through a compression spring and a screw.

In the implementation process, the specific composition structure of the floating block is provided, the structure is simple, the installation is convenient, and meanwhile, the manufacturing cost is low; when the inner needle pushes the membrane material into the groove, the membrane material can be in contact with the floating piece, the compression spring is compressed along with the further movement of the inner needle, and the floating piece can fill a gap between the inner needle and the groove, so that the membrane material is ensured to be in good contact with the inner needle and the concave surface; after the thrust to membrane class material in removing, the floating piece can reset under compression spring's effect, simultaneously, also can transmit elastic force to membrane class material, does benefit to membrane class material and takes off in rolling up the needle device.

In an alternative embodiment, the first outer wrap needle is formed with a receiving groove;

the inner needle body comprises a first position and a second position;

the first position is that the inner needle is accommodated in the accommodating groove;

the second position is that the inner needle is abutted against the second outer rolling needle;

the clamping driving component drives the inner needle to switch between the first position and the second position.

In the implementation process, when the film material does not pass through the space between the first outer winding needle and the second outer winding needle, the inner needle is located at the first position and can be regarded as being integrated with the first outer winding needle, at the moment, when one end of the film material passes through the first outer winding needle and the second outer winding needle, the inner needle can be accurately located between the second outer winding needle and the inner needle, extra energy is not needed to be wasted, or extra equipment is not needed to calibrate the position of the film material relative to the winding needle device, then the clamping driving assembly is started, the inner needle is switched to the second position from the first position, and the clamping work on the film material is accurately finished; meanwhile, when the membrane material needs to be taken down, the clamping driving assembly is started, and the inner needle cannot contact the membrane material again in the process of returning to the first position from the second position, so that the quality of the membrane material is ensured, and the membrane material is prevented from being damaged by the inner needle; further, the inner needle can be located at the first position, so that the structure of the needle rolling device can be more compact, the volume of the needle rolling device can be further reduced, and the compatibility of the needle rolling device can be further improved.

In a second aspect, an embodiment of the present invention provides a winding device, including:

a winding needle drive assembly; and

the needle winding device of any of the preceding embodiments;

the winding needle driving component drives the outer winding needle unit to rotate.

In the implementation process, the clamping parts of the film materials are lower than the plane of the outer needle, namely in the groove, through the direct fit of the inner rolling needle and the outer rolling needle unit, and the clamping parts are different from the clamping parts of the two existing inner needles for the film materials and are positioned at the plane of the outer rolling needle or higher than the plane of the outer rolling needle, so that the film materials can be clamped more stably; meanwhile, compared with the prior art, the needle winding device realizes the clamping of the film materials through fewer structures, simplifies unnecessary functional parts, reduces the manufacturing cost, and can improve the compatibility of the winding device and wind a winding part with small inner circumference because of small volume.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a perspective view of the needle winding device in one view in the present embodiment;

FIG. 2 is a perspective view of the needle winding device in the present embodiment from another perspective;

FIG. 3 is a perspective view of the inner needle and the outer needle unit of the present embodiment;

FIG. 4 is a perspective view of the inner needle and the second outer needle of the present embodiment;

FIG. 5 is a perspective view of a second outer wrap needle in accordance with the present embodiment;

FIG. 6 is a schematic view showing the internal structure of the floating member in the present embodiment;

FIG. 7 is a schematic view of the inner needle in the first position according to this embodiment;

FIG. 8 is a schematic view of the inner needle in a second position according to the present embodiment;

FIG. 9 is a schematic view of the inner needle and the outer needle unit in other embodiments.

Icon: 10-an outer winding needle unit; 11-inner needle; 12-a clamping drive assembly; 13-a first outer wrap needle; 14-a second outer wrap needle; 15-a groove; 16-a slider; 17-a float; 18-mounting holes; 19-a rotating shaft; 20-a transmission assembly; 30-a push pin driving mechanism; 30 a-push pin; 31-a first transmission block; 32-a second transmission block; 33-a return spring; 34-pushing the arc surface; 35-rotating arc surface; 36-a needle winding mounting seat; 37-screw holes; 38-a receiving tank; 39-winding needle driving component.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The technical solution in the present application will be described below with reference to the accompanying drawings.

The embodiment provides a roll up needle device, and its simple structure, low in production cost can satisfy the production of the little electric core of internal perimeter simultaneously.

Referring to fig. 1 to 5, fig. 1 is a perspective view of a needle rolling device in this embodiment at one viewing angle, fig. 2 is a perspective view of the needle rolling device in this embodiment at another viewing angle, fig. 3 is a perspective view of an inner needle 11 and an outer rolling needle unit 10 in this embodiment, fig. 4 is a perspective view of the inner needle 11 and a second outer rolling needle 14 in this embodiment, and fig. 5 is a perspective view of the second outer rolling needle 14 in this embodiment.

The needle winding device comprises an outer winding needle unit 10, an inner needle 11 and a clamping driving assembly 12.

The outer wrap needle unit 10 includes a first outer wrap needle 13 and a second outer wrap needle 14. The inner needle 11 is arranged between the first outer winding needle 13 and the second outer winding needle 14 in a position-adjustable manner. The clamping driving component 12 drives the inner needle 11 to move, so that the inner needle 11 is abutted to the second outer winding needle 14.

In the implementation process, the needle rolling device is simple in structure and low in manufacturing cost. When the film material is wound, one end of the film material passes through the space between the first outer winding needle 13 and the second outer winding needle 14, the clamping driving component 12 is started, the film material is abutted against the second outer winding needle 14 through the inner needle 11, and the clamping of the film material is completed, so that the subsequent process is carried out; simultaneously, compared with the prior art, the roll needle device realizes the centre gripping to membrane class material through less structure, can reduce the volume of rolling up the needle device, and then improves the compatibility of rolling up the needle device, for example, can adapt to the less electric core of internal perimeter.

In the present disclosure, the inner wall of the second outer winding needle 14 is formed with a groove 15.

The inner needle 11 is engaged with the groove 15 by the driving of the clamping driving component 12.

Above-mentioned in-process of realizing, when carrying out the centre gripping to membrane class material, interior needle 11 is under centre gripping drive assembly 12's drive, can push membrane class material among recess 15, interior needle 11 agrees with recess 15, can be fixed in membrane class material between interior needle 11 and the outer needle 14 of rolling up of second steadily, guarantee membrane class material and the stability of being connected between the needle device of rolling up, simultaneously, because membrane class material is owing to being pushed in recess 15, then do benefit to the location of membrane class material, avoid taking place the skew between membrane class material and interior needle 11 and the outer needle 14 of rolling up of second, thereby guarantee the normal clear of follow-up process.

It should be noted that, optionally, the needle winding device further includes a floating block 16, and the floating block 16 is disposed on the inner needle 11 and/or the groove 15.

In the implementation process, the floating block 16 has three arrangement schemes, one scheme is that the floating block 16 is arranged on the inner needle 11; secondly, the floating block 16 is arranged on the groove 15; thirdly, the inner needle 11 and the groove 15 are both provided with a floating block 16; the floating block 16 plays a role in compensating the gap, when the inner needle 11 pushes the film material into the groove 15, the floating block 16 between the inner needle 11 and the groove 15 is compressed along with the fit between the inner needle 11 and the groove 15, so that the gap between the inner needle 11 and the groove 15 is filled, good contact between the film material and the inner needle 11 and the concave surface is ensured, and the film material is firmly clamped by the inner needle 11 and the second outer winding needle 14.

Optionally, the slider 16 comprises a float member 17, a compression spring and a screw. Referring to fig. 6, fig. 6 is a schematic view of an internal structure of the floating member 17 in the present embodiment.

The floating member 17 is elastically fixed to the inner needle 11 and/or the groove 15 by a compression spring and a screw.

In fig. 6, it can be seen that the float member 17 is formed with two mounting holes 18, in which mounting holes 18 a compression spring can be arranged, which is stably fixed to the inner needle 11 and/or the groove 15 by means of screws.

In the process of realizing the above, a specific composition structure of the slider 16 is provided, which is simple in structure, convenient to install and low in manufacturing cost; when the inner needle 11 pushes the membrane material into the groove 15, the membrane material can contact with the floating piece 17, the compression spring is compressed along with the further movement of the inner needle 11, and the floating piece 17 can fill the gap between the inner needle 11 and the groove 15, so that the membrane material is ensured to be in good contact with the inner needle 11 and the concave surface; after the thrust of the inner needle 11 to the membrane material is cancelled, the floating piece 17 can reset under the action of the compression spring, and meanwhile, the elastic force can be transmitted to the membrane material, so that the membrane material can be taken down from the needle rolling device.

It should be noted that, in the present disclosure, the floating block 16 is disposed on the surface of the groove 15, which is beneficial to reduce the weight of the inner needle 11 and reduce the compliance of the clamping driving assembly 12, wherein, in a possible implementation manner, a groove-shaped structure is further recessed in the surface of the groove 15, and the floating block 16 is embedded in the groove-shaped structure to ensure that the needle winding device has a compact structure; meanwhile, the floating member 17 slightly protrudes from the surface of the groove 15 by the elastic force of the compression spring, and provides sufficient support for the inner needle 11 and the membrane material, so as to ensure that the membrane material is stably clamped.

It should be noted that, in the present disclosure, the number of the sliders 16 is three, and three sliders 16 are arranged at intervals along the length direction of the groove; a plurality of floating blocks 16 are arranged, so that the clamping stability of the inner needle 11 and the second outer rolling needle 14 to the membrane material is improved.

In this embodiment, the inner needle 11 is rotatably provided between the first outer winding needle 13 and the second outer winding needle 14.

Referring to fig. 7 and 8, fig. 7 and 8 are schematic diagrams illustrating a trajectory of the inner needle 11 between the first outer winding needle 13 and the second outer winding needle 14 in the present embodiment.

In the process of the above-mentioned realization, be different from among the prior art, adjust the position of interior needle 11 for the outer needle 14 that rolls up of second through rectilinear motion, in this scheme, interior needle 11 takes place to rotate under the drive of centre gripping drive assembly 12, thereby the butt is in the outer needle 14 that rolls up of second, realize the centre gripping to membrane class material, adjust the position of interior needle 11 for the outer needle 14 that rolls up of second through rotary motion, do benefit to interior needle 11 smoothly, accomplish the centre gripping to membrane class material steadily, simultaneously, interior needle 11 can produce the lag time with membrane class material contact because rotary motion, in lag time, interior needle 11 can accomplish the location to membrane class material gradually, avoid the condition that membrane class material takes place the skew, reduce the centre gripping effect.

Referring back to fig. 1 in conjunction with fig. 4, in the present disclosure, the clamping driving assembly 12 includes a rotating shaft 19, a transmission assembly 20, and a push pin driving mechanism 30.

The outer needle unit 10 is provided with a needle mounting seat 36, and a rotary shaft 19 is rotatably provided in the needle mounting seat and connected to the inner needle 11. The push pin driving mechanism 30 drives the rotating shaft 19 to rotate through the transmission assembly 20.

The transmission assembly 20 includes a first transmission block 31, a second transmission block 32, and a return spring 33.

The first transmission block 31 is connected to the push pin 30a of the push pin driving mechanism 30, and the first transmission block 31 is formed with a push arc surface 34. The second transmission block 32 is connected with the rotating shaft 19, the return spring 33 is arranged between the second transmission block 32 and the rotating shaft 19, and the second transmission block 32 is formed with a rotating arc surface 35 to be matched with the pushing arc surface 34.

When the first transmission block 31 pushes the second transmission block 32, the pushing arc surface 34 acts on the rotating arc surface 35, and drives the second transmission block 32 to drive the rotating shaft 19 to rotate.

In the implementation process, the clamping driving component 12 has a simple structure and is convenient to manufacture and assemble, and meanwhile, the push pin driving mechanism 30 is a common driving device in the pin rolling device, so that the cost is low, the materials are convenient to obtain, and the manufacturing of the pin rolling device is facilitated; meanwhile, the telescopic stroke of the push pin driving mechanism 30 determines the movement stroke of the inner pin 11, so that the inner pin 11 can be ensured to perform accurate clamping action, the inner pin 11 can be ensured to stably clamp the film material on the second outer rolling pin 14, and meanwhile, the inner pin 11 is also ensured to apply appropriate acting force to the film material, thereby avoiding the occurrence of the situation that the inner pin 11 generates excessive acting force due to excessive movement and damages the film material.

It should be noted that, referring to fig. 9, in another embodiment, unlike the above-described technical solution in which the inner needle 11 is rotatably disposed between the first outer winding needle 13 and the second outer winding needle 14, in the technical solution shown in fig. 9, the inner needle 11 can be lifted (opened and closed) in a linear motion track by the telescopic motion of the push needle, and can also be engaged with the second outer winding needle 14 to clamp the film material, as in the prior art.

In the present disclosure, the inner needle 11 is detachably connected to the rotation shaft 19.

It should be noted that the inner needle 11 and the rotating shaft 19 can be detachably connected by a connecting member including, but not limited to, a screw, a pin, a bolt, etc., and in fig. 4 and 5, it can be seen that the wall surface of the inner needle 11 is formed with two screw holes 37 to facilitate the connection with the rotating shaft 19 by the screw.

In the implementation process, the inner needle 11 can be conveniently detached from the rotating shaft 19, so that the inner needle 11 is convenient to replace and maintain; the inner needle 11 can be replaced at any time to adapt to different membrane materials.

In other embodiments, the inner needle 11 and the rotary shaft 19 may be integrally formed.

In the present disclosure, the rotation shaft 19 extends between the first and second outer winding needles 13 and 14, and a positioning structure is formed between the rotation shaft 19 and the first and/or second outer winding needles 13 and 14 to lock the position of the rotation shaft 19 with respect to the first and second outer winding needles 13 and 14.

The positioning structure includes, but is not limited to, a positioning bearing, a limiting concave-convex structure, and the like, which can ensure that the rotating shaft 19 always keeps a relative position with the first outer winding needle 13 and the second outer winding needle 14.

When the positioning structure is a limiting concave-convex structure, in a possible implementation manner, the limiting concave-convex structure includes a groove 15 formed on the circumferential surface of the rotating shaft 19 and a protrusion formed on the inner wall of the first outward winding needle 13 and/or the second outward winding needle 14, and the protrusion is embedded in the groove 15 to ensure that the rotating shaft 19 does not deviate towards the first outward winding needle 13 or the second outward winding needle 14.

In the implementation process, the rotating shaft 19 can keep a certain relative position with the outer winding needle unit 10 under the action of the positioning structure no matter in a static state or in a state that the push needle is pushed to rotate, so that the rotating shaft 19 is prevented from deviating, the inner needle 11 is ensured to move along a correct motion track, and the inner needle 11 and the second outer winding needle 14 can stably clamp the film material.

In this disclosure, please refer to fig. 7 and 8 again.

The first outer winding needle 13 is formed with a receiving groove 38.

The inner needle 11 has a specific first position and a specific second position. In fig. 7, the inner needle 11 is in the first position; in fig. 8, the inner needle 11 is in the second position.

In the first position, the inner needle 11 is accommodated in the accommodating groove 38; in the second position, the inner needle 11 abuts against the second outer winding needle 14. The grip driving assembly 12 drives the inner needle 11 to switch between the first position and the second position.

In the implementation process, when the film material does not pass through the space between the first outer winding needle 13 and the second outer winding needle 14, the inner needle 11 is in the first position and can be regarded as being integrated with the first outer winding needle 13, at this time, when one end of the film material passes through the first outer winding needle 13 and the second outer winding needle 14, the film material can be accurately positioned between the second outer winding needle 14 and the inner needle 11, extra energy is not needed to be wasted, or extra equipment is not needed to calibrate the position of the film material relative to the winding needle device, then the clamping driving component 12 is started, the inner needle 11 is switched from the first position to the second position, and the clamping work on the film material is accurately completed; meanwhile, when the membrane material needs to be taken down, the clamping driving assembly 12 is started, and the inner needle 11 cannot contact the membrane material again in the process of returning to the first position from the second position, so that the quality of the membrane material is ensured, and the membrane material is prevented from being damaged by the inner needle 11; further, since the inner needle 11 can be located at the first position, the structure of the needle winding device can be more compact, the volume of the needle winding device can be further reduced, and the compatibility of the needle winding device can be further improved.

It should be noted that, referring to fig. 1, the present disclosure also provides a winding device, which includes the winding needle driving assembly 39 and the winding needle device described above, and the winding needle driving assembly 39 drives the outer winding needle unit 10 to rotate.

In the implementation process, the winding needle device works to clamp the film materials, and the winding needle unit 10 is driven by the winding needle driving assembly 39, so that the film materials are wound. The winding device has simple structure and low manufacturing cost, can effectively reduce the production cost, and simultaneously can improve the compatibility of the winding device and wind a winding piece with small inner circumference because the winding needle device has small volume.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A needle winding device, comprising:

an outer wrap needle unit including a first outer wrap needle and a second outer wrap needle;

the inner needle is arranged between the first outer winding needle and the second outer winding needle in a position-adjustable manner; and

and the clamping driving component drives the inner needle to move, so that the inner needle is abutted to the second outer winding needle.

2. The needle winding device according to claim 1,

a groove is formed on the inner wall of the second outer winding needle;

the inner needle is matched with the groove through the driving of the clamping driving component.

3. The needle winding device according to claim 1,

the inner needle is rotatably arranged between the first outer winding needle and the second outer winding needle.

4. The needle winding device according to claim 3,

the clamping driving assembly comprises a rotating shaft, a transmission assembly and a push pin driving mechanism;

the outer winding needle unit is provided with a winding needle mounting seat, and the rotating shaft is rotatably arranged in the winding needle mounting seat and is connected with the inner needle;

the push pin driving mechanism drives the rotating shaft to rotate through a transmission assembly;

the transmission assembly comprises a first transmission block, a second transmission block and a return spring;

the first transmission block is connected with a push pin of the push pin driving mechanism, and a push arc surface is formed on the first transmission block;

the second transmission block is connected with the rotating shaft, the reset spring is arranged between the second transmission block and the rotating shaft, and a rotating arc surface is formed on the second transmission block and matched with the pushing arc surface;

wherein, when first transmission piece promotes when the second transmission piece, the propelling movement cambered surface acts on rotatory cambered surface can order to about the second transmission piece drives the rotation axis rotates.

5. The needle winding device according to claim 4,

the inner needle is detachably connected with the rotating shaft.

6. The needle winding device according to claim 5,

the rotating shaft extends to between the first outer winding needle and the second outer winding needle;

and a positioning structure is formed between the rotating shaft and the first outer winding needle and/or the second outer winding needle so as to lock the position of the rotating shaft relative to the first outer winding needle and the second outer winding needle.

7. The needle winding device according to claim 2,

the needle rolling device further comprises a floating block, and the floating block is arranged on the inner needle and/or the groove.

8. The needle winding device according to claim 7,

the floating block comprises a floating piece, a compression spring and a screw;

the floating piece is elastically fixed on the inner needle and/or the groove through a compression spring and a screw.

9. The needle winding device according to any one of claims 1 to 8,

the first outer winding needle is provided with an accommodating groove;

the inner needle body comprises a first position and a second position;

the first position is that the inner needle is accommodated in the accommodating groove;

the second position is that the inner needle is abutted against the second outer rolling needle;

the clamping driving component drives the inner needle to switch between the first position and the second position.

10. A winding device, comprising:

a winding needle drive assembly; and

the needle winding device of any one of claims 1-9;

the winding needle driving assembly drives the outer winding needle unit to rotate.

Images