Automatic coil cutting device

Abstract

The utility model belongs to the technical field of coil cutting, and particularly relates to an automatic coil cutting device which comprises a first clamp, a second clamp and a driving mechanism. The driving end of the driving mechanism is in transmission connection with the first clamp and used for driving the first clamp to rotate. The first clamp and the second clamp are oppositely arranged and matched for clamping a workpiece. The first clamp comprises a first positioning disc and a transmission shaft. The end, close to the first positioning disc, of the transmission shaft extends towards the second clamp to be provided with a cutter base. The second clamp comprises a second positioning disc corresponding to the first positioning disc, a cutter shaft and a driving air cylinder. One end of the cutter shaft is connected with the driving air cylinder, the other end of the cutter shaft is slidably connected into the sleeve, the end, close to the second positioning disc, of the cutter shaft extends to be provided with a cutter matched with the cutter base, and the driving air cylinder is used for driving the cutter to be close to or away from the cutter base. And the cutting knife is matched with the cutting knife holder to cut off the wire rod, and the wire rod cut-off opening is positioned in the center of the coil and is cut off.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of coil cutting, especially relates to a coil automatic cutting device. BACKGROUND

[0002] At present, the lead cutting of the winding machine in the manufacturing process usually adopts the scissors structure, and this design has the advantages of simple operation and low equipment cost. However, in some special application occasions, especially when the lead of the coil is located inside the inner circle of the coil, the traditional scissors cylinder cannot accurately complete the cutting operation due to its structural limitations. This leads to the problem of incomplete cutting or ineffective cutting of the inner layer lead of the coil, which affects the quality and production efficiency of the product. Therefore, it is urgent to develop a new technology that can overcome the above-mentioned defects to improve the production efficiency and product quality. SUMMARY

[0003] The utility model aims at providing a coil automatic cutting device, which aims at solving the technical problem of incomplete cutting or ineffective cutting of the inner layer lead of the coil using the traditional scissors cylinder in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model embodiment provides a coil automatic cutting device, which comprises a first clamp, a second clamp and a driving mechanism. The driving end of the driving mechanism is in transmission connection with the first clamp for driving the first clamp to rotate. The first clamp and the second clamp are oppositely arranged and cooperated for clamping the workpiece. The first clamp comprises a first positioning disc and a transmission shaft. One end of the transmission shaft is connected with the driving mechanism, and the other end is connected with the first positioning disc, and the center line of the transmission shaft and the first positioning disc is on a straight line. The center of the first positioning disc is provided with a first opening, and the end of the transmission shaft close to the first positioning disc extends towards the second clamp and is provided with a cutter seat, and the cutter passes through the first opening. The second clamp comprises a second positioning disc corresponding to the first positioning disc, a cutter shaft and a driving cylinder. And the center line of the cutter shaft and the second positioning disc is on a straight line. The second positioning disc extends a sleeve at the end away from the first clamp, and the center of the second positioning disc is provided with a second opening, and the second opening is in communication with the sleeve. One end of the cutter shaft is connected with the driving cylinder, and the other end is slidingly connected in the sleeve, and the end of the cutter shaft close to the second positioning disc extends and is provided with a cutting knife matched with the cutter seat, and the driving cylinder is used for driving the cutting knife to pass through the second opening and close to or away from the cutter seat.

[0005] Further, the second clamp further comprises a driving shaft, one end of the driving shaft is connected with the driving cylinder, and the other end is connected with the cutter shaft, and the driving shaft is used for driving the cutter shaft to close to or away from the first clamp.

[0006] Further, the driving shaft is further provided with a shaft seat and a positioning spring.

[0007] Further, the sleeve is further provided with a plurality of positioning openings on the end away from the second positioning disc, and the driving shaft is further provided with a plurality of positioning pins corresponding to the positioning openings.

[0008] Further, the center of the cutter seat is provided with a cutter opening corresponding to the cutting knife, and a wire winding groove is further provided, the wire winding groove penetrates through the cutter seat, and the wire winding groove and the cutter opening are perpendicular to each other.

[0009] Further, the device further comprises a mounting seat and a waste wire processing mechanism, the driving cylinder is connected to the mounting seat, and the waste wire processing mechanism is arranged on the mounting seat, and the working end of the waste wire processing mechanism is aligned with the cutter seat.

[0010] Further, the waste wire processing mechanism comprises a rotating cylinder and a clamping cylinder, the rotating cylinder is arranged on the mounting seat, and the clamping cylinder is arranged on the driving end of the rotating cylinder, the rotating cylinder is used for driving the clamping cylinder to rotate, and the clamping cylinder is used for clamping the copper wire.

[0011] The one or more technical solutions in the coil automatic wire cutting device provided by the embodiment of the utility model at least have one of the following technical effects: the workpiece is placed between the first clamp and the second clamp, the driving cylinder drives the second positioning disc to move towards the first positioning disc, the first positioning disc and the second positioning disc clamp the workpiece, then the wire arranging needle moves to one side of the workpiece, the driving mechanism drives the transmission shaft to rotate, drives the workpiece to rotate, the wire arranging needle discharges the wire material wound on the workpiece, when the winding is completed, the driving cylinder drives the second positioning disc to move away from the first positioning disc, at this time, the wire arranging needle moves to the cutter seat, the cutter seat is located at the center of the first positioning disc, after passing through the cutter seat, the driving cylinder drives the second positioning disc to move towards the first positioning disc again, at this time, the cutting knife cooperates with the cutter seat to cut the wire material, and the wire material cutting port is cut off at the center of the coil, avoiding using the traditional scissors cylinder to cut off, preventing the scissors cylinder from touching the inside of the coil, causing damage to the coil, and also avoiding the scissors cylinder cutting at the inner circle position of the coil, which causes the cutting to be not complete due to the narrow place. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0013] Fig. 1 A structure schematic view of a coil automatic cutting device is provided for the embodiment of the utility model.

[0014] Fig. 2 Another explosion schematic view of the first clamp and the second clamp of a coil automatic cutting device is provided for the embodiment of the utility model.

[0015] Fig. 3 Another explosion schematic view of the first clamp and the second clamp of a coil automatic cutting device is provided for the embodiment of the utility model.

[0016] Fig. 4 An explosion schematic view of the first clamp of a coil automatic cutting device is provided for the embodiment of the utility model.

[0017] The figure mark: 100, the first clamp;110, the first positioning disc;111, the first opening;120, the transmission shaft;121, the cutter seat;122, the cutter mouth;123, the winding groove;200, the second clamp;210, the second positioning disc;211, the sleeve;212, the positioning opening;213, the second opening;220, the cutter shaft;221, the cutting knife;230, the driving cylinder;240, the driving shaft;241, the shaft seat;242, the positioning spring;243, the positioning pin;300, the mounting seat;400, the waste wire processing mechanism;410, the rotary cylinder;420, the clamping cylinder; DETAILED DESCRIPTION

[0018] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the embodiments of the utility model, and cannot be understood as the limitation of the utility model.

[0019] In the description of the embodiments of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model.

[0020] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purpose and are not to be construed as indicating or implying relative importance or a specific number of the technical features indicated. Therefore, the features defined with "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise specifically defined.

[0021] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0022] In an embodiment of the present application, reference is made to Figs. 1-4As shown, a coil automatic cutting device is provided, comprising a first clamp 100, a second clamp 200 and a driving mechanism. The driving end of the driving mechanism is in transmission connection with the first clamp 100, for driving the first clamp 100 to rotate. The first clamp 100 and the second clamp 200 are oppositely arranged and cooperated for clamping the workpiece. The first clamp 100 comprises a first positioning disc 110 and a transmission shaft 120. One end of the transmission shaft 120 is connected with the driving mechanism, and the other end is connected with the first positioning disc 110, and the center line of the transmission shaft 120 and the first positioning disc 110 are on a straight line. The center of the first positioning disc 110 is provided with a first opening 111, and the end of the transmission shaft 120 close to the first positioning disc 110 extends towards the second clamp 200 and is provided with a cutter seat 121, and the cutter passes through the first opening 111. The second clamp 200 comprises a second positioning disc 210 corresponding to the first positioning disc 110, a cutter shaft 220 and a driving cylinder 230. And the center line of the cutter shaft 220 and the second positioning disc 210 are on a straight line. The second positioning disc 210 extends a sleeve 211 at the end away from the first clamp 100, and the center of the second positioning disc 210 is provided with a second opening 213, which is in communication with the sleeve 211. One end of the cutter shaft 220 is connected with the driving cylinder 230, and the other end is slidingly connected in the sleeve 211. The end of the cutter shaft 220 close to the second positioning disc 210 extends and is provided with a cutting cutter 221 matched with the cutter seat 121, and the driving cylinder 230 is used for driving the cutting cutter 221 to pass through the second opening 213 and close to or away from the cutter seat 121. In this embodiment, the workpiece is placed between the first clamp 100 and the second clamp 200, the driving cylinder 230 drives the second positioning disc 210 to move towards the first positioning disc 110, so that the first positioning disc 110 and the second positioning disc 210 clamp the workpiece, then the wire arranging needle moves to one side of the workpiece, the driving mechanism drives the transmission shaft 120 to rotate, drives the workpiece to rotate, the wire arranging needle discharges the wire wound on the workpiece, when the winding is completed, the driving cylinder 230 drives the second positioning disc 210 to move away from the first positioning disc 110, at this time the wire arranging needle moves to the cutter seat 121, the cutter seat 121 is located in the center of the first positioning disc 110, after passing through the cutter seat 121, the driving cylinder 230 drives the second positioning disc 210 to move towards the first positioning disc 110 again, at this time the cutting cutter 221 cooperates with the cutter seat 121 to cut the wire, and the wire cutting port is cut off at the center of the coil, avoiding using the traditional scissors cylinder to cut off, preventing the scissors cylinder from touching the inside of the coil, causing damage to the coil, also avoiding the scissors cylinder cutting at the inner circle position of the coil, which is too narrow to cause incomplete cutting.

[0023] In particular, reference is made to Figs. 1-4As shown, the second clamp 200 further comprises a driving shaft 240, one end of the driving shaft 240 is connected to the driving cylinder 230, and the other end of the driving shaft 240 is connected to the cutter shaft 220, and the driving shaft 240 is used to drive the cutter shaft 220 to move close to or away from the first clamp 100. In the embodiment, the driving shaft 240 is used to drive the movement of the cutter shaft 220, which can reduce the length of the cutter shaft 220 itself, enhance the rigidity of the cutter shaft 220 itself, and avoid the cutter shaft 220 from being deviated.

[0024] Specifically, referring to Figs. 1-4 As shown, the driving shaft 240 is further provided with a shaft seat 241 and a positioning spring 242. The shaft seat 241 is fixed on the driving shaft 240, and the positioning spring 242 is sleeved on the driving shaft 240 and located between the shaft seat 241 and the second positioning disc 210. One end of the positioning spring 242 is connected to the shaft seat 241, and the other end of the positioning spring 242 is connected to the second positioning disc 210. In the embodiment, when the driving cylinder 230 drives the second clamp 200 to move in the direction of the first clamp 100, the driving shaft 240, the cutter shaft 220 and the second positioning disc 210 move synchronously at first, and when the second positioning disc 210 abuts against the workpiece, the driving cylinder 230 drives the driving shaft 240 to continue to move in the direction of the first clamp 100. At this time, the positioning spring 242 is compressed to store elastic potential energy, the second positioning disc 210 is fixed, the cutter shaft 220 slides on the sleeve 211 in the direction of the first clamp 100, drives the cutting knife 221 to pass through the second opening 213 and cooperates with the cutter seat 121 to cut the wire, and then the driving cylinder 230 drives the driving shaft 240 to move away from the first clamp 100. The driving shaft 240 drives the cutter shaft 220 to move away from the first clamp 100, and after the elastic potential energy of the positioning spring 242 is released, the second positioning disc 210 moves away from the first clamp 100 to release the workpiece.

[0025] Specifically, referring to Figs. 1-4 As shown, the sleeve 211 is further provided with a plurality of positioning openings 212 on the end away from the second positioning disc 210, and the driving shaft 240 is further provided with a plurality of positioning pins 243 corresponding to the positioning openings 212. In the embodiment, the positioning pins 243 and the positioning openings 212 cooperate with each other to avoid the mutual rotation between the cutter shaft 220 and the driving shaft 240, which causes the cutting knife 221 to fail to pass through the second opening 213, and causes the cutting knife 221 to collide with the second positioning disc 210, thereby damaging the cutting knife 221.

[0026] Specifically, referring to Figs. 1-4As shown, the center of the cutter seat 121 is provided with a cutter opening 122 corresponding to the cutting knife 221, and a winding groove 123 is also provided, which penetrates the cutter seat 121 and is perpendicular to the cutter opening 122. In this embodiment, the winding groove 123 facilitates the passage of the wire, and the winding groove 123 is perpendicular to the cutter opening 122, which facilitates the cutting of the wire by the cutting knife 221.

[0027] Specifically, referring to Figs. 1-4 As shown, the installation seat 300 and the waste wire processing mechanism 400 are also included, the driving cylinder 230 is connected to the installation seat 300, the waste wire processing mechanism 400 is arranged on the installation seat 300, and the working end of the waste wire processing mechanism 400 is aligned with the cutter seat 121. In this embodiment, before winding, the wire discharged by the wire arranging needle is first fixed in the waste wire processing mechanism 400, and then the workpiece is wound, and after winding, the wire between the waste wire processing mechanism 400 and the workpiece is cut off by the shearing cylinder, and then the waste wire processing mechanism 400 processes the wire, so that the wire cannot be tightly wound on the workpiece during winding.

[0028] Specifically, referring to Figs. 1-4 As shown, the waste wire processing mechanism 400 includes a rotating cylinder 410 and a clamping cylinder 420. The rotating cylinder 410 is arranged on the installation seat 300, and the clamping cylinder 420 is arranged on the driving end of the rotating cylinder 410, the rotating cylinder 410 is used to drive the clamping cylinder 420 to rotate, and the clamping cylinder 420 is used to clamp the copper wire.

[0029] The above only describes the preferred embodiment of the present application, and is not intended to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A coil automatic cutting device, comprising a first clamp, a second clamp and a driving mechanism; a driving end of the driving mechanism is in transmission connection with the first clamp, for driving the first clamp to rotate; the first clamp and the second clamp are oppositely arranged and cooperated for clamping a workpiece; characterized in that: The first clamp comprises a first positioning disc and a transmission shaft; one end of the transmission shaft is connected to the driving mechanism, and the other end is connected to the first positioning disc, and the center line of the transmission shaft and the first positioning disc are in a straight line; the center of the first positioning disc is provided with a first opening, and the end of the transmission shaft close to the first positioning disc extends to the second clamp and is provided with a cutter seat, and the cutter passes through the first opening; the second clamp comprises a second positioning disc corresponding to the first positioning disc, a cutter shaft and a driving cylinder; and the center line of the cutter shaft and the second positioning disc are in a straight line; the second positioning disc extends a sleeve at the end away from the first clamp, and the center of the second positioning disc is provided with a second opening which is in communication with the sleeve; one end of the cutter shaft is connected to the driving cylinder, and the other end is slidingly connected in the sleeve, and the end of the cutter shaft close to the second positioning disc extends and is provided with a cutting knife matched with the cutter seat, and the driving cylinder is used to drive the cutting knife to pass through the second opening and approach or move away from the cutter seat.

2. The automatic coil cutting apparatus according to claim 1, wherein: The second clamp further comprises a driving shaft, one end of the driving shaft is connected to the driving cylinder, and the other end is connected to the cutter shaft, and the driving shaft is used to drive the cutter shaft to approach or move away from the first clamp.

3. An automatic coil cutting apparatus according to claim 2, wherein: The driving shaft is further provided with a shaft seat and a positioning spring; the shaft seat is fixed on the driving shaft, and the positioning spring is sleeved on the driving shaft and located between the shaft seat and the second positioning disc, one end of the positioning spring is connected to the shaft seat, and the other end is connected to the second positioning disc.

4. The automatic coil cutting apparatus according to claim 2, wherein: The sleeve is further provided with a plurality of positioning openings at the end away from the second positioning disc, and the driving shaft is further provided with a plurality of positioning pins corresponding to the positioning openings.

5. The automatic coil cutting apparatus according to claim 1, wherein: The center of the cutter seat is provided with a cutter opening corresponding to the cutting knife, and is further provided with a wire winding groove, the wire winding groove penetrates the cutter seat, and the wire winding groove and the cutter opening are perpendicular to each other.

6. The automatic coil cutting device according to any one of claims 1 to 5, characterized in that: It further comprises a mounting seat and a waste wire processing mechanism, the driving cylinder is connected to the mounting seat, and the waste wire processing mechanism is arranged on the mounting seat, and the working end of the waste wire processing mechanism is aligned with the cutter seat.

7. An automatic coil cutting apparatus according to claim 6, wherein: The waste wire processing mechanism comprises a rotating cylinder and a clamping cylinder; the rotating cylinder is arranged on the mounting seat, and the clamping cylinder is arranged on the driving end of the rotating cylinder, the rotating cylinder is used to drive the clamping cylinder to rotate, and the clamping cylinder is used to clamp the copper wire.

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