A double-guide needle automatic adjustment mechanism

Abstract

The present invention relates to the technical field of winding machines, and in particular to a double guide needle automatic adjustment mechanism. The double guide needle automatic adjustment mechanism includes a frame, a rotating assembly, a driving assembly, and a wire passing assembly. The rotating assembly includes a rotating cylinder, a wire passing cylinder, a guide needle mounting cylinder, a guide needle, and a gear. The central axis of the wire passing cylinder is parallel to the central axis of the rotating cylinder, and the driving assembly includes a driving motor, a bracket, a driven wheel, and a belt. The driving mechanism drives the gear fixed on the rotating cylinder to rotate, thereby controlling the rotation of the two wire passing cylinders and the guide needles in the rotating cylinder to adjust the angle, so that the two guide needles become staggered in the horizontal direction to avoid winding two overlapping wires. The rotation angle can be adjusted according to the diameter of the wire to adapt to wires of different wire diameters.

Description

Technical Field

[0001] The invention relates to the technical field of winding machines, in particular to a double-guide needle automatic adjustment mechanism. Background Art

[0002] A coil usually refers to a ring-shaped wire winding. The most common coils are motors, inductors, transformers, and loop antennas. A bifilar coil is an electromagnetic induction element consisting of two insulated wires wound side by side. Since a bifilar coil is composed of two wires, they can compensate each other and reduce errors. At the same time, it has a very high sensitivity and can detect weak currents and electromagnetic fields. Therefore, it is widely used in the field of industrial control.

[0003] When winding the two wires of the double-wire coil, the two wires need to be wound side by side to ensure that the two wires do not overlap or intersect each other, and at the same time, they cannot be too far apart. However, since the two wires pass through two guide pins arranged side by side, in order to ensure that the two wires are side by side, the wires will be pulled out along the arrangement direction of the two guide pins and wound with the coil frame, such as Figure 5 However, it is easy to cause the two wires to overlap or cross each other during winding, which affects the winding quality. At the same time, the distance between wires of different wire diameters is also different. The double guide needle in the prior art is also difficult to control the distance between the two wires according to the different wire diameters. Summary of the invention

[0004] In view of this, the present invention provides a dual-guide needle automatic adjustment mechanism to solve the above technical problems.

[0005] A dual-guide needle automatic adjustment mechanism, the dual-guide needle automatic adjustment mechanism includes a frame, a plurality of rotating components arranged on the frame, a driving component arranged on the frame, and a plurality of wire-passing components arranged on the frame. The rotating component includes a rotating cylinder arranged on the frame, two wire-passing cylinders inserted in the rotating cylinder, a guide needle mounting cylinder arranged on the rotating cylinder, two guide needles arranged on the guide needle mounting cylinder, and a gear fixedly arranged on the rotating cylinder. The central axis of the wire-passing cylinder is parallel to the central axis of the rotating cylinder, and the two guide needles are respectively coaxially arranged with the two wire-passing cylinders. The driving component includes a driving motor arranged on the frame, a plurality of brackets arranged on the frame, a plurality of driven wheels rotatably arranged on the brackets, and a belt connecting the driving motor and the rotating component. The bracket is located between adjacent rotating components, the belt is wound around the gear, the driven wheel, and the output shaft of the driving motor, the wire entry direction of the guide needle is perpendicular to the wire exit direction of the guide needle, the rotation plane of the coil skeleton is parallel to the wire entry direction and the wire exit direction of the guide needle, and the arrangement direction of the two guide needles is parallel to the wire entry direction of the wire under the initial turntable. In the initial state, the arrangement direction of the two guide needles is parallel to the wire entry direction of the wire. When the rotating cylinder is rotated and adjusted, the two wire passing cylinders and the guide needle rotate around the central axis of the rotating cylinder, so that there is an angle between the arrangement direction of the two guide needles and the wire entry direction of the wire, and the positions of the two guide needles are staggered one after the other in a direction perpendicular to the wire entry direction.

[0006] Furthermore, the rotating assembly further comprises a supporting assembly disposed in the rotating drum, wherein the supporting assembly is located between the rotating drum and the frame and is used for supporting the rotating drum to rotate.

[0007] Furthermore, a mounting groove for mounting the guide needle mounting cylinder is provided at one end of the rotating cylinder away from the wire passing assembly, and the guide needle mounting cylinder is arranged at one end of the rotating cylinder and connected to the rotating cylinder.

[0008] Furthermore, one end of the guide needle close to the wire passing barrel is provided with a chamfer, and the diameter of the guide needle close to the wire passing barrel is the same as the diameter of the wire passing barrel.

[0009] Furthermore, at least one waist-shaped hole is provided on the bracket, and the bracket is connected to the frame by inserting a fastener into the waist-shaped hole.

[0010] Furthermore, the wire passing assembly includes a wire clamping cylinder arranged on the frame, a wire clamping plate arranged on the wire clamping cylinder, and two wire passing holes arranged on the wire clamping plate.

[0011] Furthermore, the wire clamping plate is L-shaped, one end of the wire clamping plate is located in the output direction of the wire clamping cylinder, and the other end of the wire clamping plate is arranged on the side wall of the wire clamping cylinder.

[0012] Furthermore, the side walls of the installation cylinder and the rotating cylinder are provided with a plurality of locking holes at the same position, and the locking holes are communicated with the hole in the installation cylinder for penetrating the guide pin.

[0013] Compared with the prior art, the hollow coil winding mechanism provided by the present invention, in which the starting and tail wires are located outside the coil, drives the gear fixedly arranged on the rotating cylinder to rotate through the driving mechanism, thereby controlling the rotation of the two wire-passing cylinders and the guide needles in the rotating cylinder to adjust the angle, so that the two guide needles become staggered in the horizontal direction to avoid the winding of two overlapping wires. At the same time, the rotation angle can be adjusted according to the diameter of the wire to accommodate wires with different wire diameters. In addition, a mounting groove for installing the guide needle mounting cylinder is provided at one end of the rotating cylinder away from the wire-passing assembly. The guide needle mounting cylinder is arranged at one end of the rotating cylinder and is connected to the rotating cylinder by fasteners. When coils with different wire diameters need to be wound, the guide needle mounting cylinder with guide needles of different diameters can be directly replaced, thereby achieving quick replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is a schematic structural diagram of a dual-guide needle automatic adjustment mechanism provided by the present invention.

[0015] Figure 2 for Figure 1 The double guide needle automatic adjustment mechanism is a structural schematic diagram of an origami mold with part of the frame removed.

[0016] Figure 3 for Figure 1 A schematic structural diagram of the rotating assembly of the dual guide needle automatic adjustment mechanism.

[0017] Figure 4 for Figure 1 A cross-sectional view of a rotating assembly of the dual guide needle automatic adjustment mechanism.

[0018] Figure 5 for Figure 1 A bottom view of the rotating assembly of the dual guide needle automatic adjustment mechanism before adjustment.

[0019] Figure 6 for Figure 1 A bottom view of the rotating assembly of the dual guide needle automatic adjustment mechanism after adjustment.

[0020] Figure 7 for Figure 1A structural schematic diagram of the wire-passing component of the double-guide needle automatic adjustment mechanism.

[0021] Explanation of the reference numerals: frame 10, through hole 11, rotating assembly 20, rotating cylinder 21, mounting groove 211, supporting assembly 22, wire passing cylinder 23, guide needle mounting cylinder 24, guide needle 25, locking hole 251, gear 26, driving assembly 30, driving motor 31, bracket 32, driven wheel 33, belt 34, waist-shaped hole 35, wire passing assembly 40, wire clamping cylinder 41, wire clamping plate 42, wire passing hole 43. DETAILED DESCRIPTION

[0022] The specific embodiments of the present invention are further described in detail below. It should be understood that the description of the embodiments of the present invention herein is not intended to limit the protection scope of the present invention.

[0023] like Figures 1 to 7 As shown, it is a schematic diagram of the structure of the double-guide needle automatic adjustment mechanism provided by the present invention. The double-guide needle automatic adjustment mechanism includes a frame 10, a plurality of rotating components 20 arranged on the frame 10, a driving component 30 arranged on the frame 10, and a plurality of wire-passing components 40 arranged on the frame 10. It can be imagined that the double-guide needle automatic adjustment mechanism also includes some other functional components, such as mounting components, connecting components, etc., which are well known to those skilled in the art and will not be repeated here.

[0024] The double guide needle automatic adjustment mechanism is used to pass a wire through a coil frame to wind the coil. Due to the process requirements, the wire entry direction of the guide needle needs to be perpendicular to the wire exit direction of the guide needle, and the rotation plane of the coil frame is parallel to the wire entry direction and wire exit direction of the guide needle. When winding more than two wires at the same time, the two wires must be arranged side by side and cannot overlap or cross. At the same time, the wire diameter of the wound wire may change according to production needs. Therefore, in order to adapt to wires of different wire diameters, the arrangement direction of the two guide needles 25 should be adjusted at any time to avoid crossing or overlapping of the two wires.

[0025] The rack 10 is provided with a plurality of through holes 11 for threading wires, and the through holes 11 are used to thread wires so that the wires can enter the rotating assembly 20 on the rack 10. The rack 10 is used to carry the above-mentioned functional modules, so the rack 10 is provided with a variety of functional structures, such as screws, bolts, through holes, etc., to complete the installation and assembly of the above-mentioned functional modules, which can be arranged according to actual needs and will not be described in detail one by one here.

[0026] like Figure 3 and Figure 4As shown, the rotating assembly 20 includes a rotating cylinder 21 arranged on the frame 10, a supporting assembly 22 arranged in the rotating cylinder 21, two wire passing cylinders 23 passing through the rotating cylinder 21, a guide needle mounting cylinder 24 arranged on the rotating cylinder 21, two guide needles 25 arranged on the guide needle mounting cylinder 24, and a gear 26 fixedly arranged on the rotating cylinder 21.

[0027] The support assembly 22 is located between the rotating cylinder 21 and the frame 10 and is fixed on the frame 10, and is used to support the rotation of the rotating cylinder 21. The support assembly 22 is composed of a plurality of bearings, a limit plate, etc. The bearing is an important component used to support and limit the rotation or swing of the shaft in mechanical equipment. The main function of the bearing is to reduce friction and wear in mechanical movement and improve mechanical efficiency and service life. The limit plate is used to limit the bearing in the through hole 11, thereby fixing the position of the bearing. When the rotating cylinder 21 rotates, the support assembly 22 supports the rotation of the rotating cylinder 21, reduces the friction coefficient during its movement, and ensures its rotation accuracy. The support assembly 22 should be a prior art and will not be described here.

[0028] The central axis of the wire passing cylinder 23 is parallel to the central axis of the rotating cylinder 21. An end of the rotating cylinder 21 away from the wire passing assembly 40 is provided with a mounting groove 211 for mounting the guide needle mounting cylinder 24. The guide needle mounting cylinder 24 is arranged at one end of the rotating cylinder 21 and is connected to the rotating cylinder 21 through fasteners arranged along the radial direction of the guide needle mounting cylinder 24. When coils with different wire diameters need to be wound, the guide needle mounting cylinder 24 with guide needles 25 of different diameters can be directly replaced, thereby achieving rapid replacement.

[0029] The two guide needles 25 are coaxially arranged with the two wire passing cylinders 23, respectively. The diameter of the guide needle 25 is the same as the diameter of the wire. In order to facilitate the wire to smoothly pass from the wire passing cylinder 23 to the guide needle 25 during the first wire passing, a chamfer is provided at one end of the guide needle 25 close to the wire passing cylinder 23. Preferably, the diameter of the guide needle 25 close to the wire passing cylinder 23 is the same as the diameter of the wire passing cylinder 23. The side walls of the guide needle installation cylinder 24 and the rotating cylinder 21 are provided with a plurality of locking holes 251 at the same position. The locking holes 251 are connected with the holes in the guide needle installation cylinder 24 for inserting the guide needle 25, so that the guide needle 25 is pressed tightly in the guide needle installation cylinder 24 by inserting fasteners in the locking holes 251. The gear 26 is fixedly arranged on the rotating cylinder 21 and connected to the driving assembly 30. The driving assembly 30 drives the gear 26 to rotate, and then drives the rotating cylinder 21 to rotate, thereby controlling the two wire passing cylinders 23 and the guide needle 25 in the rotating cylinder 21 to rotate around the central axis of the rotating cylinder 21, thereby adjusting the positions of the two guide needles 25 to achieve the adjustment of the positions of the two wires during double-wire winding.

[0030] In the initial state Figure 5 As shown, the arrangement direction of the two guide pins 25 is parallel to the wire feeding direction of the wire, which will cause the two wires to overlap each other in the vertical direction of the wire feeding, so that the two wires will overlap each other during winding, making the wire arrangement irregular. However, in the initial state, the arrangement direction of the two guide pins 25 must be parallel to the wire feeding direction of the wire, because this state is a reference. Through this reference, combined with the wire diameter size of the wire, it is possible to calculate how many degrees the rotating cylinder 21 needs to be rotated to achieve the two wires being arranged side by side, rather than overlapping or crossing, and then the output size of the driving component 30 can be controlled, so as to achieve the purpose of automatic adjustment.

[0031] After the rotating drum 21 is rotated and adjusted, Figure 6 As shown, the two wire-passing cylinders 23 and the guide pins 25 rotate around the central axis of the rotating cylinder 21, so that the arrangement direction of the two guide pins 25 and the wire feeding direction have an angle, and the positions of the two guide pins 25 are staggered one after the other in the wire feeding direction perpendicular to the wire, so that the wires will not overlap each other in the direction of gravity due to the change in the position of the guide pins 25, and will be arranged side by side in the horizontal direction to avoid using two overlapping wires for winding, thereby ensuring the winding quality. The rotation angle of the rotating cylinder 21 can be adjusted according to the diameter of the wire. The larger the diameter of the wire, the larger the rotation angle, so that the two guide pins 25 are staggered by a larger distance, adapting to thicker wires, and having higher adaptability.

[0032] like Figure 2As shown, the driving assembly 30 includes a driving motor 31 arranged on the frame 10, a plurality of brackets 32 arranged on the frame 10, a plurality of driven wheels 33 rotatably arranged on the brackets 32, and a belt 34 connecting the driving motor 31 and the rotating assembly 20.

[0033] The drive motor 31 is used to convert electrical energy into mechanical energy to drive its output shaft to rotate. The output shaft of the drive motor 31 is connected to the belt 34. The belt 34 is driven by the output shaft of the drive motor 31 to transmit. The bracket 32 ​​is located between the adjacent rotating components 20, and the bracket 32 ​​is used to rotate the driven wheel 33. The belt 34 is wound around the gear 26, the driven wheel 33, and the output shaft of the drive motor 31, so that when the output shaft of the drive motor 31 rotates, it can synchronously drive multiple rotating components 20 to ensure the synchronization of transmission. The driven wheel 33 is used to make the belt 34 unidirectionally bent and tightened, so as to ensure the tightness of the belt 34 and ensure the stability of transmission. Since the tightness of the belt 34 is uncertain, it needs to be adjusted frequently. In order to facilitate the adjustment of the position of the driven wheel 33, at least one waist-shaped hole 35 is provided on the bracket 32, and the bracket 32 ​​is connected to the frame 10 through a fastener inserted in the waist-shaped hole 35. The position of the bracket 32 ​​can be adjusted as needed through the waist-shaped hole 35 , thereby adjusting the tightness of the belt 34 by the driven wheel 33 .

[0034] like Figure 7 As shown, each of the wire passing components 40 is arranged corresponding to one of the rotating components 20. The wire passing component 40 includes a wire clamping cylinder 41 arranged on the frame 10, a wire clamping plate 42 arranged on the wire clamping cylinder 41, and two wire passing holes 43 arranged on the wire clamping plate 42.

[0035] The wire clamping plate 42 is L-shaped, one end of which is located in the output direction of the wire clamping cylinder 41, and the other end of which is arranged on the side wall of the wire clamping cylinder 41. The wire is clamped by moving the output end of the wire clamping cylinder 41 toward the wire clamping plate 42, and is mainly used to prevent the wire from being withdrawn when the wire is not being wound. The two wires are respectively pulled out from the external wire storage barrel and pass through the two wire passing holes 43, and then pass through the through hole 11 into the wire passing barrel 23 and the guide needle 25 to complete the threading. In addition, since the two wire passing barrels 23 will rotate with the rotating barrel 21 to perform the resulting adjustment, and the two wire passing holes 43 are fixedly arranged, the two wires between the wire passing barrel 23 and the rotating barrel 21 will be twisted to a certain extent. However, since the rotation angle of the rotating drum 21 is adjusted according to the wire diameter of the wire, the rotation angle of the rotating drum 21 is only a few degrees, which will only cause the two wires to tilt, but will not cause the two wires to contact each other or twist into a knot.

[0036] Compared with the prior art, the dual-guide needle automatic adjustment mechanism provided by the present invention drives the gear 26 fixedly arranged on the rotating cylinder 21 to rotate through the driving assembly 30, thereby controlling the rotation of the two wire-passing cylinders 23 and the guide needles 25 in the rotating cylinder 21 to adjust the angle, so that the two guide needles 25 are staggered in the horizontal direction to avoid the winding of two overlapping wires. At the same time, the rotation angle can be adjusted according to the diameter of the wire to adapt to wires with different wire diameters. In addition, a mounting groove 211 for mounting the guide needle mounting cylinder 24 is provided at one end of the rotating cylinder 21 away from the wire-passing assembly 40. The guide needle mounting cylinder 24 is arranged at one end of the rotating cylinder 21 and is connected to the rotating cylinder 21 through fasteners. When coils with different wire diameters need to be wound, the guide needle mounting cylinder 24 with guide needles 25 of different diameters can be directly replaced, thereby achieving quick replacement.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modification, equivalent substitution or improvement within the spirit of the present invention is included in the scope of the claims of the present invention.

Claims

1. A double-needle guide automatic adjustment mechanism, which is used to pass a wire through a coil frame and wind a coil, and is characterized by: The double-guide needle automatic adjustment mechanism includes a frame, a plurality of rotating components arranged on the frame, a driving component arranged on the frame, and a plurality of wire-passing components arranged on the frame. The rotating component includes a rotating cylinder arranged on the frame, two wire-passing cylinders inserted in the rotating cylinder, a guide needle mounting cylinder arranged on the rotating cylinder, two guide needles arranged on the guide needle mounting cylinder, and a gear fixedly arranged on the rotating cylinder. The central axis of the wire-passing cylinder is parallel to the central axis of the rotating cylinder, and the two guide needles are respectively coaxially arranged with the two wire-passing cylinders. The driving component includes a driving motor arranged on the frame, a plurality of brackets arranged on the frame, and a plurality of rotating components arranged on the brackets. A driven wheel, and a belt connecting the driving motor and the rotating component, the bracket is located between adjacent rotating components, the belt is wound around the gear, the driven wheel, and the output shaft of the driving motor, the wire entry direction of the guide needle is perpendicular to the wire exit direction of the guide needle, the rotation plane of the coil skeleton is parallel to the wire entry direction and the wire exit direction of the guide needle, in the initial state, the arrangement direction of the two guide needles is parallel to the wire entry direction of the wire, when the rotating cylinder is rotated and adjusted, the two wire passing cylinders and the guide needle rotate around the central axis of the rotating cylinder, so that the arrangement direction of the two guide needles has an angle with the wire entry direction, and the positions of the two guide needles are staggered one after the other in a direction perpendicular to the wire entry direction.

2. The dual-guide needle automatic adjustment mechanism according to claim 1, characterized in that: The rotating assembly further comprises a supporting assembly arranged in the rotating drum. The supporting assembly is located between the rotating drum and the frame and is used for supporting the rotating drum to rotate.

3. The double-guide needle automatic adjustment mechanism according to claim 1, characterized in that: An installation groove for installing the guide needle installation cylinder is provided at one end of the rotating cylinder away from the wire passing assembly. The guide needle installation cylinder is arranged at one end of the rotating cylinder and connected to the rotating cylinder.

4. The dual-guide needle automatic adjustment mechanism according to claim 1, characterized in that: One end of the guide needle close to the wire passing barrel is provided with a chamfer, and the diameter of the guide needle close to the wire passing barrel is the same as the diameter of the wire passing barrel.

5. The dual-guide needle automatic adjustment mechanism according to claim 1, characterized in that: The bracket is provided with at least one waist-shaped hole, and the bracket is connected to the frame by inserting a fastener in the waist-shaped hole.

6. The dual-guide needle automatic adjustment mechanism according to claim 1, characterized in that: The wire passing assembly comprises a wire clamping cylinder arranged on the frame, a wire clamping plate arranged on the wire clamping cylinder, and two wire passing holes arranged on the wire clamping plate.

7. The dual-guide needle automatic adjustment mechanism according to claim 6, characterized in that: The wire clamping plate is L-shaped, one end of the wire clamping plate is located in the output direction of the wire clamping cylinder, and the other end of the wire clamping plate is arranged on the side wall of the wire clamping cylinder.

8. The dual-guide needle automatic adjustment mechanism according to claim 1, characterized in that: The side walls of the installation cylinder and the rotating cylinder are provided with a plurality of locking holes at the same position, and the locking holes are communicated with the hole in the installation cylinder for penetrating the guide pin.

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