Yarn collecting device for electrostatic spinning machine

Abstract

The utility model provides a yarn collecting device for an electrostatic spinning machine. The yarn collecting device comprises a bottom plate, a yarn winding drum, a winding drum positioning mechanism, a winding drum driving mechanism, a yarn passing swing rod structure and two swing rod positioning structures. The winding drum positioning mechanism and the winding drum driving mechanism are symmetrically arranged on the upper end face of the bottom plate and detachably connected with the yarn winding drum, and the winding drum driving mechanism is used for driving the yarn winding drum to rotate. According to the yarn collecting device for the electrostatic spinning machine, the problem that tension is not stable when yarn runs due to the fact that an unwinding device in the related technology only depends on passive rotation is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electrospinning technical field especially, it is a kind of yarn collection device for electrospinning machine. BACKGROUND

[0002] Electrospinning core-spun yarn is a new type of spinning method, it is made by wrapping nanofiber on core yarn outside by electrospinning technology.This method can make yarn have better mechanical properties on the basis of larger specific surface area of electrospinning nanofiber, and be used for stress sensor, battery, super capacitor and tissue engineering scaffold.

[0003] The preparation device of electrospinning core-spun yarn includes yarn unwinding device, yarn bowl receiver, yarn winding device, double-needle electrospinning device and control system etc.When running, core yarn is wound on yarn unwinding device, yarn passes through yarn bowl receiver, and nanofiber is prepared by double-needle conjugate electrospinning, and electrospinning nanofiber is wound and wrapped in yarn bowl receiving device, and nanofiber wrapped yarn is made into core-spun yarn, and finally collected on yarn winding device.

[0004] At present, yarn unwinding device on market needs manual winding and unwinding of yarn when using, and operation process is tedious.In addition, as passive rotation of unwinding device in relevant technology, yarn tension is unstable when running, yarn may not be straightened due to too small tension, and wrapping effect is affected, or yarn is pulled off due to too large tension.And the swing lever of unwinding device in relevant technology cannot be locked and positioned, so that swing lever may swing freely or deviate in position when yarn is unwound, and further affect yarn tension. SUMMARY

[0005] Therefore, the utility model aims at solving one of the problems in the related art at least to some extent.

[0006] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0007] A yarn collection device for electrospinning machine, comprising a bottom plate, a yarn reel, a reel positioning mechanism, a reel driving mechanism, a wire passing swing lever structure and two swing lever positioning structures;

[0008] The reel positioning mechanism and the reel driving mechanism are symmetrically arranged on the upper end surface of the bottom plate, and the reel positioning mechanism and the reel driving mechanism are detachably connected with the yarn reel, and the reel driving mechanism is used to drive the yarn reel to rotate.

[0009] The overline swing rod structure is arranged in front of the yarn reel, and two swing rod positioning structures are symmetrically arranged on the upper end surface of the bottom plate.

[0010] The swing rod positioning structure comprises a support shell, a cover plate, a rotation locking mechanism, a rotating rod and a pressing positioning mechanism. The rotating rod is rotationally arranged on the inner side end surface of the support shell. The cover plate is used to cover the outer side opening of the support shell. The rotation locking mechanism is arranged on the inner side of the support shell. The pressing positioning mechanism is arranged on the top of the support shell and is used to press the rotating rod. The inner side end of the rotating rod is connected with the overline swing rod structure.

[0011] The middle part of the bottom plate is provided with a threading hole.

[0012] Further, the reel positioning mechanism comprises a positioning base, a positioning rod, a push plate, a first pressing spring, a positioning sleeve, a second pressing spring and a positioning block. The positioning base is connected with the upper end surface of the bottom plate. The positioning rod penetrates through the top of the positioning base. One end of the positioning rod is connected with the push plate. The other end of the positioning rod is connected with the positioning block. The first pressing spring and the second pressing spring are arranged on the positioning rod. The first pressing spring and the second pressing spring are symmetrically arranged on the left and right sides of the positioning base. The inner side of the positioning block is a conical structure. The outer wall of the positioning block is arranged with a plurality of elastic tips for positioning. The positioning sleeve is arranged at the end of the yarn reel. The positioning sleeve can cooperate with the positioning block.

[0013] Further, the reel drive mechanism comprises a support base, a drive block, a drive motor and a drive shaft. The support base is arranged on the upper end surface of the bottom plate. The inside of the support base is hollow. The drive motor is arranged in the inside of the support base. One end of the drive shaft is connected with the output end of the drive motor. The other end of the drive shaft is connected with the drive block. The inner side end of the drive block is a conical structure. The end of the yarn reel is provided with a conical groove capable of cooperating with the drive block.

[0014] Further, the support base and the positioning base are both provided with reinforcing ribs at the bottom.

[0015] Further, the rotation locking mechanism comprises a locking nut and an anti-skid gasket. The locking nut is threadedly matched with the rotating rod. The anti-skid gasket is arranged between the locking nut and the inner end surface of the support shell.

[0016] Further, the pressing positioning mechanism comprises a pressing screw and a positioning rubber sleeve, the positioning rubber sleeve is fixedly connected with the outer wall of the rotating rod, the top of the pressing screw is in threaded connection with the top of the supporting shell, and the bottom of the pressing screw is used for pressing the positioning rubber sleeve.

[0017] Further, the wire passing swing rod structure comprises two wire passing rods and two connecting plates, the two wire passing rods are arranged side by side, the ends of the two wire passing rods are connected with the connecting plates respectively, and the middle part of the connecting plate is connected with the rotating rod.

[0018] Compared with the prior art, the yarn collecting device for the electrostatic spinning machine has the following advantages:

[0019] 1. The constant speed rotation of the yarn reel can be realized through the precise control of the driving motor, so that the tension unevenness caused by passive rotation in the traditional unwinding device is avoided.

[0020] 2. The reel positioning mechanism adopts the combination of a positioning base, a positioning rod, a positioning block and a positioning sleeve, and the positioning block and the positioning sleeve can be tightly matched through the elastic force of the first pressing spring and the second pressing spring.

[0021] 3. The swing rod positioning structure comprises a rotating locking mechanism and a pressing positioning mechanism, and can ensure that the swing rod is firmly fixed at the set position. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings, which form a part of this patent, are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:

[0023] Figure 1 A yarn collecting device for an electrostatic spinning machine according to an embodiment of the application;

[0024] Figure 2 A winding drum positioning mechanism structure according to an embodiment of the application;

[0025] Figure 3 A swing rod positioning structure according to an embodiment of the application;

[0026] Figure 4 A connecting plate structure according to an embodiment of the application.

[0027] Legend of reference signs:

[0028] 101, yarn sleeve; 102, positioning sleeve; 201, positioning block; 202, first compression spring; 203, push plate; 204, second compression spring; 301, bottom plate; 302, threading hole; 401, support base; 402, driving block; 403, reinforcing rib; 501, wire passing rod; 502, connecting plate; 601, support housing; 701, rotating rod; 702, positioning rubber sleeve; 703, locking nut. DETAILED DESCRIPTION

[0029] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0030] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first", "second" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0031] In the description of the utility model, need explanation, unless another explicit provision and limitation, term '' install '' '' link '' '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be two elements inside the intercommunication. For ordinary skilled in the art, can understand the concrete meaning of the above-mentioned term in the utility model through specific circumstances.

[0032] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0033] A kind of yarn collection device for electrostatic spinning machine, as shown in Figure 1 It includes bottom plate 301, yarn reel, reel positioning mechanism, reel drive mechanism, line passing swing rod structure and two swing rod positioning structures;Reel positioning mechanism and reel drive mechanism are symmetrically arranged at the upper end surface of bottom plate 301, reel positioning mechanism and reel drive mechanism are all detachably connected with yarn reel, reel drive mechanism is used to drive yarn reel to rotate;Line passing swing rod structure is arranged in the front of yarn reel, two swing rod positioning structures are symmetrically arranged at the upper end surface of bottom plate 301, the left and right ends of line passing swing rod structure are all connected with one swing rod positioning structure;The middle part of bottom plate 301 is provided with threading hole 302.

[0034] As shown in Figures 3-4As shown, the swing rod positioning structure includes a support housing 601, a cover plate, a rotary locking mechanism, a rotating rod 701, and a pressing positioning mechanism. The rotating rod 701 is rotationally arranged at the inner side end face of the support housing 601. The cover plate is used to cover the outer side opening of the support housing 601. The rotary locking mechanism is arranged at the inner side of the support housing 601. The pressing positioning mechanism is arranged at the top of the support housing 601 and is used to press the rotating rod 701. The inner side end of the rotating rod 701 is connected with the wire passing swing rod structure. The rotary locking mechanism includes a locking nut 703 and an anti-slip gasket. The locking nut 703 is threadedly matched with the rotating rod 701. The anti-slip gasket is arranged between the locking nut 703 and the inner end face of the support housing 601. The pressing positioning mechanism includes a pressing screw and a positioning rubber sleeve 702. The positioning rubber sleeve 702 is fixedly connected with the outer wall of the rotating rod 701. The top of the pressing screw is threadedly matched with the top of the support housing 601. The bottom of the pressing screw is used to press the positioning rubber sleeve 702. The swing rod positioning structure includes the rotary locking mechanism, the pressing positioning mechanism, and other components, which can ensure that the swing rod is firmly fixed at the set position. Through the rotary locking mechanism, the swing rod can be accurately positioned, avoiding unnecessary shaking or displacement of the swing rod during the operation of the yarn, ensuring the stability of the tension and the running track of the yarn. This allows the operator to easily lock or loosen the swing rod. The pressing screw is tightly matched with the positioning rubber sleeve 702 of the outer wall of the rotating rod 701, ensuring that the swing rod can be quickly positioned and unlocked under simple operation, greatly improving the operation efficiency. The arrangement of the anti-slip gasket further improves the durability of the structure, preventing wear or sliding between the swing rod and the locking component during long-term use. This design prolongs the service life of the equipment and ensures that it still provides stable positioning effect after long-term use.

[0035] The wire passing swing rod structure includes two wire passing rods 501 and two connecting plates 502. The two wire passing rods 501 are arranged side by side. The end portions of the two wire passing rods 501 are respectively connected with one connecting plate 502. The middle portion of the connecting plate 502 is connected with the rotating rod 701.

[0036] As Figure 2As shown, the winding drum positioning mechanism comprises a positioning base, a positioning rod, a push plate 203, a first compression spring 202, a positioning sleeve 102, a second compression spring 204 and a positioning block 201, the positioning base is connected with the upper end surface of the bottom plate 301, the positioning rod penetrates through the top of the positioning base, one end of the positioning rod is connected with the push plate 203, the other end of the positioning rod is connected with the positioning block 201, the first compression spring 202 and the second compression spring 204 are arranged on the positioning rod, the first compression spring 202 and the second compression spring 204 are symmetrically arranged on the left and right sides of the positioning base, the inner side of the positioning block 201 is a conical structure, a plurality of elastic tips for positioning are arranged on the outer wall of the positioning block 201, the positioning sleeve 102 is arranged at the end of the yarn winding drum, and the positioning sleeve 102 can cooperate with the positioning block 201. The combination of the positioning base, the positioning rod, the positioning block 201 and the positioning sleeve 102 is adopted in the winding drum positioning mechanism, the elastic force of the first compression spring 202 and the second compression spring 204 ensures that the positioning block 201 and the positioning sleeve 102 can be closely matched. The conical structure and the elastic tips of the positioning block 201 can adapt to the slight deviation of the yarn winding drum, provide more accurate positioning, and prevent the winding drum from deviating during rotation. The winding drum positioning mechanism can quickly complete the installation and disassembly of the winding drum. The design of the push plate 203 makes it more convenient for the operator to replace the winding drum, reduces the operation time, and improves the production efficiency.

[0037] The winding drum driving mechanism comprises a supporting base 401, a driving block 402, a driving motor and a driving shaft, the supporting base 401 is arranged on the upper end surface of the bottom plate 301, the inside of the supporting base 401 is hollow, the driving motor is arranged in the inside of the supporting base 401, one end of the driving shaft is connected with the output end of the driving motor, the other end of the driving shaft is connected with the driving block 402, the inner side end of the driving block 402 is a conical structure, and the end of the yarn winding drum is provided with a conical groove capable of cooperating with the driving block 402. Through the accurate control of the driving motor, the constant speed rotation of the yarn winding drum can be realized, so that the tension unevenness problem caused by passive rotation in the traditional unwinding device is avoided. The end of the driving block 402 and the yarn winding drum is designed as a conical structure, which is helpful to the stable fixation and rotation of the winding drum, avoids the sliding or shaking phenomenon of the yarn during winding, and further ensures the uniformity of the tension.

[0038] In the embodiment, reinforcing ribs 403 are arranged at the bottom of the supporting base 401 and the positioning base.

[0039] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A yarn collection device for an electrospinning machine, characterized by: It includes a bottom plate (301), a yarn reel, a reel positioning mechanism, a reel driving mechanism, a thread passing swing rod structure and two swing rod positioning structures; the reel positioning mechanism and the reel driving mechanism are symmetrically arranged on the upper end surface of the bottom plate (301), and the reel positioning mechanism and the reel driving mechanism are detachably connected with the yarn reel; the reel driving mechanism is used for driving the yarn reel to rotate; The thread passing swing rod structure is arranged in front of the yarn reel, and the two swing rod positioning structures are symmetrically arranged on the upper end surface of the bottom plate (301); the left and right ends of the thread passing swing rod structure are connected with one swing rod positioning structure respectively; The swing rod positioning structure comprises a supporting shell (601), a cover plate, a rotary locking mechanism, a rotating rod (701) and a pressing positioning mechanism; the rotating rod (701) is rotatably arranged on the inner side end surface of the supporting shell (601); the cover plate is used for covering the outer opening of the supporting shell (601); the rotary locking mechanism is arranged on the inner side of the supporting shell (601); the pressing positioning mechanism is arranged on the top of the supporting shell (601); the pressing positioning mechanism is used for pressing the rotating rod (701); the inner side end of the rotating rod (701) is connected with the thread passing swing rod structure; The middle part of the bottom plate (301) is provided with a threading hole (302).

2. A yarn collection device for an electrospinning machine according to claim 1, characterized in that: The reel positioning mechanism comprises a positioning base, a positioning rod, a push plate (203), a first pressing spring (202), a positioning sleeve (102), a second pressing spring (204) and a positioning block (201); the positioning base is connected with the upper end surface of the bottom plate (301); the positioning rod penetrates through the top of the positioning base; one end of the positioning rod is connected with the push plate (203); the other end of the positioning rod is connected with the positioning block (201); the first pressing spring (202) and the second pressing spring (204) are arranged on the positioning rod; the first pressing spring (202) and the second pressing spring (204) are symmetrically arranged on the left and right sides of the positioning base; the inner side of the positioning block (201) is in a conical structure; a plurality of elastic tips for positioning are arranged on the outer wall of the positioning block (201); the positioning sleeve (102) is arranged on the end of the yarn reel; the positioning sleeve (102) can cooperate with the positioning block (201).

3. A yarn collection device for an electrospinning machine according to claim 2, characterized in that: The reel driving mechanism comprises a supporting base (401), a driving block (402), a driving motor and a driving shaft; the supporting base (401) is arranged on the upper end surface of the bottom plate (301); the inside of the supporting base (401) is hollow; the driving motor is arranged in the inside of the supporting base (401); one end of the driving shaft is connected with the output end of the driving motor; the other end of the driving shaft is connected with the driving block (402); the inner side end of the driving block (402) is in a conical structure; the end of the yarn reel is provided with a conical groove capable of cooperating with the driving block (402).

4. A yarn collection device for an electrospinning machine according to claim 3, characterized in that: The supporting base (401) and the positioning base are both provided with reinforcing ribs (403).

5. A yarn collection device for an electrospinning machine according to any one of claims 1-4, characterized in that: The rotating locking mechanism comprises a locking nut (703) and an anti-skid washer, the locking nut (703) is threadedly connected with the rotating rod (701), and the anti-skid washer is arranged between the locking nut (703) and an inner end surface of the supporting shell (601).

6. A yarn collection device for an electrospinning machine according to claim 5, characterized in that: The pressing positioning mechanism comprises a pressing screw rod and a positioning rubber sleeve (702), the positioning rubber sleeve (702) is fixedly connected with the outer wall of the rotating rod (701), the top of the pressing screw rod is threadedly connected with the top of the supporting shell (601), and the bottom of the pressing screw rod is used for pressing the positioning rubber sleeve (702).

7. A yarn collection device for an electrospinning machine according to claim 5, characterized in that: The wire passing swing rod structure comprises two wire passing rods (501) and two connecting plates (502), the two wire passing rods (501) are arranged side by side, the end portions of the two wire passing rods (501) are connected with one connecting plate (502) respectively, and the middle portion of the connecting plate (502) is connected with the rotating rod (701).

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