A tangent device

Abstract

The application provides a cutting device, which comprises a machine table, a rotating support seat rotatably installed on the machine table, a rotating driving assembly installed on the machine table, a cutting support seat, a cutting knife body, a cutting knife transverse moving assembly and a cutting knife lifting assembly. The cutting support seat can be driven to lift by the cutting knife lifting assembly, so that the corresponding inner wire head and outer wire head of the stator are respectively inserted into the inner wire hole and outer wire hole. The cutting knife body can be driven to reciprocate in the cutting channel by the cutting knife transverse moving assembly, so that the corresponding inner wire head and outer wire head can be simultaneously cut by the cutting knife body, thereby ensuring that the lengths of the inner wire head and the outer wire head are consistent. The stator can be supported by the rotating support seat. The rotating support seat can be driven to rotate by the rotating driving assembly, so that the inner wire head and the corresponding outer wire head are respectively inserted into the inner wire hole and the outer wire hole. The above cutting operation can be repeated to realize the rotary cutting operation of the inner wire row and the outer wire row, thereby improving the cutting efficiency.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of motor manufacturing, and more particularly to a cutting device. BACKGROUND

[0002] In the process of manufacturing a stator, a coil needs to be wound on a stator core. Since the length of the coil extending out of the stator core varies, the coil needs to be cut to facilitate subsequent welding work on the coil.

[0003] At present, the coil on the stator core is divided into an inner coil row and an outer coil row. In the process of cutting the coil, the inner coil row or the outer coil row needs to be cut separately, that is, two cutting modules are usually used to cut the inner coil row or the outer coil row, which results in low cutting efficiency of the coil and difficulty in keeping the lengths of the inner coil row and the outer coil row flush. SUMMARY

[0004] The purpose of the embodiment of the application is to provide a cutting device to solve the problems of low cutting efficiency of the stator coil and difficulty in keeping the lengths of the inner coil row and the outer coil row flush in the related art.

[0005] To achieve the above purpose, the technical solution adopted by the embodiment of the application is:

[0006] A cutting device is provided for cutting a coil on a stator. The coil includes an inner coil row and an outer coil row arranged outside the inner coil row. The inner coil row includes a plurality of inner coil heads arranged in a ring shape along the circumference of the stator. The outer coil row includes a plurality of outer coil heads arranged in a ring shape along the circumference of the stator. The plurality of inner coil heads and the plurality of outer coil heads are arranged in radial alignment along the stator. The cutting device includes:

[0007] A machine table;

[0008] A rotating support seat rotatably installed on the machine table for supporting the stator;

[0009] A rotating drive assembly installed on the machine table and connected to the rotating support seat for driving the rotating support seat to rotate;

[0010] A cutting support seat having an inner coil hole for the inner coil head to pass through, an outer coil hole for the corresponding outer coil head to pass through, and a cutting channel, wherein the inner coil hole and the outer coil hole are in communication with the cutting channel;

[0011] A cutter body located in the cutting channel;

[0012] A cutter horizontal moving assembly is installed on the cutter wire supporting base and connected with the cutter body, and is used to drive the cutter body to reciprocate through the inner wire hole and the outer wire hole.

[0013] A cutter lifting assembly is installed on the machine table and connected with the cutter wire supporting base, and is used to drive the cutter wire supporting base to lift.

[0014] In one embodiment, the rotating supporting base comprises a rotating disc rotatably installed on the machine table and a plurality of supporting bases installed on the rotating disc, and the output end of the rotating driving assembly is connected with the rotating disc; the stator is installed with a wire clamping base, the wire clamping base is provided with a wire clamping positioning hole, and the supporting base is installed with a supporting guide rod used for being inserted into the wire clamping positioning hole.

[0015] In one embodiment, the rotating disc is provided with a plurality of rotating clamping teeth on the outer periphery; the rotating driving assembly comprises a rotating driving member installed on the machine table and a rotating driving gear installed on the output end of the rotating driving member, and the rotating driving gear is engaged with the rotating clamping teeth.

[0016] In one embodiment, the cutter wire supporting base comprises a cutter wire base connected with the output end of the cutter lifting assembly, a cutter wire sliding base slidingly installed on the cutter wire base, a cutter wire base plate installed on the cutter wire sliding base, and a cutter wire power unit used to drive the cutter wire sliding base to reciprocate, and the cutter wire power unit is installed on the cutter wire base and connected with the cutter wire sliding base; the cutter wire base plate is respectively provided with the inner wire hole, the outer wire hole and the cutter wire channel, and the sliding direction of the cutter wire sliding base is the same as the sliding direction of the cutter body.

[0017] In one embodiment, the cutter wire base plate is further provided with a material passing channel, and the material passing channel is communicated with the inner wire hole, the outer wire hole and the cutter wire channel respectively; the cutter wire supporting base further comprises a cutter wire material guiding base installed on the cutter wire base plate, and the cutter wire material guiding base is provided with a material guiding channel communicated with the material passing channel.

[0018] In one embodiment, the machine table is provided with a first avoiding gap for the cutter wire base to extend into; the cutter wire device further comprises a rotating base used to support the rotating supporting base, and the rotating base is installed on the machine table and is arranged between the machine table and the rotating supporting base, and the rotating base is provided with a second avoiding gap communicated with the first avoiding gap.

[0019] In one embodiment, the rotating disc is arranged between the rotating driving gear and the first avoiding gap, the rotating disc has a semicircular structure, the rotating disc has a straight line segment and an arc line segment, the arc line segment is arranged opposite to the rotating driving gear, and the straight line segment is arranged opposite to the first avoiding gap.

[0020] In one embodiment, the cutter horizontal moving assembly comprises a horizontal moving screw rod rotatably arranged on the cutting line support base, a horizontal moving nut arranged on the horizontal moving screw rod, a horizontal moving sliding base arranged on the horizontal moving nut, and a horizontal moving driving member for driving the horizontal moving screw rod to rotate, the horizontal moving driving member is arranged on the cutting line support base and connected with the horizontal moving screw rod; one end of the cutter body is connected with the horizontal moving sliding base, and the other end of the cutter body extends into the cutting line channel.

[0021] In one embodiment, the cutter body comprises a cutter connecting body and a cutter working body, one end of the cutter connecting body is detachably connected with the horizontal moving sliding base, the other end of the cutter connecting body is detachably connected with one end of the cutter working body, the other end of the cutter working body extends into the cutting line channel, and the end of the cutter working body extending into the cutting line channel has a downwardly inclined cutter inclined surface.

[0022] In one embodiment, the cutter lifting assembly comprises a cutter lifting support plate, a cutter lifting guide rod connecting the cutter lifting support plate and the cutting line support base, a cutter lifting screw rod rotatably arranged on the machine table, a cutter lifting nut arranged on the cutter lifting screw rod, and a cutter lifting power unit for driving the cutter lifting screw rod to rotate, the cutter lifting nut is arranged on the machine table, and the cutter lifting power unit is arranged on the cutter lifting support plate and connected with the cutter lifting screw rod.

[0023] The cutting line device provided by the embodiments has at least the following beneficial effects: the cutting line support base can be lifted by the cutter lifting assembly, so that the corresponding inner wire head and outer wire head on the stator can be respectively inserted into the inner wire hole and outer wire hole; the cutter body can be reciprocatingly moved in the cutting line channel by the cutter horizontal moving assembly, the corresponding inner wire head and outer wire head can be simultaneously cut by the cutter body, so that the lengths of the inner wire head and outer wire head can be kept consistent; the stator can be supported by the rotating support base; the rotating support base can be rotated by the rotating driving assembly, so that the inner wire head and corresponding outer wire head can be respectively inserted into the inner wire hole and outer wire hole, the above cutting line operation can be repeated, the rotating cutting line operation on the inner wire row and outer wire row can be realized, and the cutting line efficiency can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or exemplary description will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0025] Figure 1 A structure schematic diagram of the tangent device provided by the embodiments of the present application is shown in the figure.

[0026] Figure 2 A structure schematic diagram of the stator provided by the embodiments of the present application is shown in the figure.

[0027] Figure 3 A structure schematic diagram of the rotary support seat position provided by the embodiments of the present application is shown in the figure.

[0028] Figure 4 A structure schematic diagram of the tangent horizontal movement assembly position provided by the embodiments of the present application is shown in the figure.

[0029] Figure 5 A structure schematic diagram of the tangent base provided by the embodiments of the present application is shown in the figure.

[0030] Figure 6 A structure schematic diagram of the tangent material leading seat provided by the embodiments of the present application is shown in the figure.

[0031] Figure 7 A structure schematic diagram of the cutter body provided by the embodiments of the present application is shown in the figure.

[0032] Figure 8 A structure schematic diagram of the cutter lifting assembly position provided by the embodiments of the present application is shown in the figure.

[0033] In the figures, the main marks are as follows:

[0034] 10, stator; 20, coil; 201, inner wire row; 2011, inner wire head; 202, outer wire row; 2021, outer wire head; 30, wire clamping seat; 301, wire clamping positioning hole; 302, upper hoop; 303, lower hoop;

[0035] 1, machine table; 11, ball bearing; 12, first position avoiding gap; 13, protective cover; 14, lifting inductor; 15, third position avoiding gap; 16, detector;

[0036] 2, rotary support seat; 21, rotary disc; 211, rotary clamping tooth; 212, straight line segment; 213, arc line segment; 22, support base; 221, support support; 23, support guide rod;

[0037] 3, rotary driving assembly; 31, rotary driving piece; 32, rotary driving gear;

[0038] 4, tangent line support seat; 41, inner line hole; 42, outer line hole; 43, tangent line channel; 44, tangent line base; 441, tangent line inductor; 45, tangent line sliding seat; 451, tangent line inductive sheet; 46, tangent line base; 461, material passing channel; 47, tangent line power unit; 48, tangent line material guiding seat; 481, material guiding channel; 49, transverse movement inductor;

[0039] 5, cutter body; 51, cutter connecting body; 511, first cutter clamping part; 512, second cutter clamping part; 52, cutter operation body; 521, cutter mounting groove; 522, cutter inclined surface;

[0040] 6, cutter transverse movement assembly; 61, transverse movement screw rod; 62, transverse movement nut; 63, transverse movement sliding seat; 631, transverse movement inductive sheet; 632, transverse movement mounting groove; 633, transverse movement cover plate; 64, transverse movement driving part;

[0041] 7, cutter lifting assembly; 71, cutter lifting support plate; 711, lifting inductive sheet; 72, cutter lifting guide rod; 73, cutter lifting screw rod; 74, cutter lifting nut; 75, cutter lifting power unit; 751, cutter lifting motor; 752, cutter lifting driving wheel; 753, cutter lifting driven wheel; 754, cutter connecting belt; 76, cutter jacking driving part;

[0042] 8, rotating base; 81, second position avoiding notch. DETAILED DESCRIPTION

[0043] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not used to limit the present application.

[0044] It should be noted that when an element is referred to as being "fixed to" or "set to" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0045] In addition, the terms "first", "second", and the like are used only for descriptive purposes and should not be construed as indicating or implying relative importance or implying the number of the indicated technical features. Therefore, the features defined with "first", "second", and the like can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited. The meaning of "several" is one or more, unless otherwise specifically limited.

[0046] In the description of the application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does 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 on the application.

[0047] In the description of the application, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0048] Throughout the specification, reference to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. Therefore, the phrases "in one embodiment" or "in some embodiments" appearing in various places throughout the specification are not all referring to the same embodiment. Furthermore, particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

[0049] For the convenience of description, three coordinate axes perpendicular to each other in space are defined as X-axis, Y-axis and Z-axis, at the same time, the direction along the X-axis is longitudinal, the direction along the Y-axis is transverse, and the direction along the Z-axis is vertical; wherein the X-axis and the Y-axis are two coordinate axes perpendicular to each other in the same horizontal plane, and the Z-axis is a vertical coordinate axis; the X-axis, the Y-axis and the Z-axis are perpendicular to each other in space, and the three planes are XY plane, YZ plane and XZ plane, wherein the XY plane is a horizontal plane, the XZ plane and the YZ plane are both vertical planes, and the XZ plane is perpendicular to the YZ plane. The three axes in space are X-axis, Y-axis and Z-axis, moving along the three axes in space means moving along the three axes perpendicular to each other in space, specifically moving along the X-axis, the Y-axis and the Z-axis in space; while plane movement is movement in the XY plane.

[0050] Please refer to Figure 1 and Figure 2The cutting device provided by the embodiment of the present application is used for cutting the coils 20 on the stator 10. The coil 20 comprises an inner wire row 201 and an outer wire row 202 arranged outside the inner wire row 201. The inner wire row 201 comprises a plurality of inner wire heads 2011, which are arranged in a circumferential ring along the stator 10. The outer wire row 202 comprises a plurality of outer wire heads 2021, which are arranged in a circumferential ring along the stator 10. The plurality of inner wire heads 2011 are respectively arranged in radial alignment with the plurality of outer wire heads 2021 along the stator 10. The cutting device comprises a machine table 1, a rotating support seat 2, a rotating driving assembly 3, a cutting support seat 4, a cutting knife body 5, a cutting knife horizontal moving assembly 6 and a cutting knife lifting assembly 7. The rotating support seat 2 is rotatably installed on the machine table 1 and is used for supporting the stator 10. The stator 10 is placed on the rotating support seat 2 in an inverted manner, i.e., the inner wire row 201 and the outer wire row 202 on the stator 10 are both arranged downward. Figure 3 The rotating driving assembly 3 is installed on the machine table 1. The output end of the rotating driving assembly 3 is connected with the rotating support seat 2. The rotating driving assembly 3 is used for driving the rotating support seat 2 to rotate, so as to drive the stator 10 to rotate. Figure 4 and Figure 5, the tangent line support seat 4 is respectively provided with an inner wire hole 41, an outer wire hole 42 and a tangent line channel 43, the inner wire hole 41 is used for the inner wire head 2011 to pass through, the outer wire hole 42 is used for the corresponding outer wire head 2021 to pass through, and the tangent line channel 43 is used for the inner wire hole 41 and the outer wire hole 42 to communicate. Wherein, the inner wire hole 41 and the outer wire hole 42 are both provided in an outer eight-character open mode, so that the inner wire head 2011 is inserted into the inner wire hole 41, and the outer wire head 2021 is inserted into the outer wire hole 42. One end of the cutter body 5 is connected with the cutter transverse moving assembly 6, and the other end of the cutter body 5 extends into the tangent line channel 43. The cutter transverse moving assembly 6 is installed on the tangent line support seat 4, the output end of the cutter transverse moving assembly 6 is connected with the end of the cutter body 5 extending out of the tangent line channel 43, and the cutter transverse moving assembly 6 is used to drive the cutter body 5 to reciprocate along the X-axis direction through the inner wire hole 41 and the outer wire hole 42. The cutter lifting assembly 7 is installed on the machine table 1, the output end of the cutter lifting assembly 7 is connected with the tangent line support seat 4, and the cutter lifting assembly 7 is used to drive the tangent line support seat 4 to realize lifting along the Z-axis direction. Through the cutter lifting assembly 7, the tangent line support seat 4 can be driven to realize lifting, so that the corresponding inner wire head 2011 and outer wire head 2021 on the stator 10 are respectively inserted into the inner wire hole 41 and the outer wire hole 42; through the cutter transverse moving assembly 6, the cutter body 5 can be driven to reciprocate in the tangent line channel 43, and through the cutter body 5, the corresponding inner wire head 2011 and outer wire head 2021 can be simultaneously subjected to tangent line processing, so that the lengths of the inner wire head 2011 and the outer wire head 2021 can be kept consistent; through the rotary support seat 2, the stator 10 can be supported; through the rotary driving assembly 3, the rotary support seat 2 can be driven to rotate, so that each inner wire head 2011 and the corresponding outer wire head 2021 can be inserted into the inner wire hole 41 and the outer wire hole 42, respectively, and through the above-mentioned tangent line operation, the rotary tangent line operation of the inner wire row 201 and the outer wire row 202 can be realized, so that the tangent line efficiency can be improved.

[0051] In one embodiment, referring to Figure 2 and Figure 3 , as a specific embodiment of the tangent line device provided by the embodiment of the application, the rotary support seat 2 comprises a rotary disc 21 rotatably installed on the machine table 1 and a plurality of support bases 22 installed on the rotary disc 21, and the output end of the rotary driving assembly 3 is connected with the rotary disc 21; the stator 10 is provided with a wire clamping seat 30, the wire clamping seat 30 is provided with a wire clamping positioning hole 301, and the support base 22 is provided with a support guide rod 23 inserted into the wire clamping positioning hole 301. Through the plurality of support bases 22, the stator 10 can be supported; through the alignment of the support guide rod 23 and the wire clamping positioning hole 301, the alignment installation precision between the stator 10 and the rotary support seat 2 can be realized, and the stator 10 can be prevented from rotating relative to the rotary support seat 2.

[0052] In one embodiment, referring to Figure 3The ball bearing 11 is installed on the machine table 1, the outer ring of the ball bearing 11 is fixedly installed on the machine table 1, and the inner ring of the ball bearing 11 is fixedly connected with the center position of the rotating disc 21. Through the ball bearing 11, the rotating disc 21 can rotate on the machine table 1, so that the friction and wear of the rotating disc 21 can be reduced, and the rotation protection of the rotating disc 21 can be realized.

[0053] In one embodiment, referring to Figure 2 and Figure 3 The number of the wire clamping positioning holes 301 can be multiple, and the multiple wire clamping positioning holes 301 are arranged in a circumferential annular array of the stator 10. The multiple support bases 22 are arranged in a circumferential annular array of the rotating disc 21, each support base 22 can be installed with a support guide rod 23, and the multiple support guide rods 23 can be respectively inserted into the multiple wire clamping positioning holes 301, so as to improve the installation precision of the stator 10 installed on the rotating support base 2, and avoid that the stator 10 rotates relative to the rotating support base 2 during the rotation of the rotating support base 2.

[0054] In one embodiment, referring to Figure 3 As a specific embodiment of the wire cutting device provided in the application, the outer periphery of the rotating disc 21 is provided with multiple rotating clamping teeth 211; the rotating driving assembly 3 includes a rotating driving member 31 installed on the machine table 1 and a rotating driving gear 32 installed on the output end of the rotating driving member 31, and the rotating driving gear 32 is engaged with the rotating clamping teeth 211. The rotating driving member 31 can be a motor, and the rotating driving gear 32 can be installed on the output shaft of the motor. Through the rotating driving member 31, the rotating driving gear 32 can be driven to rotate, and then the rotating disc 21 and the stator 10 can be driven to rotate, so that the positions of the inner wire row 201 and the outer wire row 202 on the stator 10 can be adjusted.

[0055] Optionally, the rotating driving assembly 3 can also be a driving motor directly connected with the rotating disc 21; or the rotating driving assembly 3 can also be a belt transmission mechanism, which drives the rotating disc 21 to rotate through a belt.

[0056] In one embodiment, referring to Figure 1 , Figure 4 and Figure 8, as a specific embodiment of the cutting device provided by the application, the cutting line support seat 4 comprises a cutting line base 44 connected with the output end of the cutting knife lifting assembly 7, a cutting line sliding seat 45 slidingly installed on the cutting line base 44, a cutting line base 46 installed on the cutting line sliding seat 45, and a cutting line power unit 47 for driving the cutting line sliding seat 45 to slide back and forth, the cutting line power unit 47 is installed on the cutting line base 44 and connected with the cutting line sliding seat 45; the cutting line base 46 is respectively provided with an inner wire hole 41, an outer wire hole 42 and a cutting line channel 43, and the sliding direction of the cutting line sliding seat 45 is the same as the sliding direction of the cutting knife body 5. Among them, the cutting line power unit 47 can be a cylinder / electrical cylinder / screw transmission mechanism, a sliding table linear motor, etc. In the embodiment of the application, the cutting line power unit 47 adopts a screw transmission mechanism. When the stator 10 is moved to the rotating support seat 2, the cutting line power unit 47 can drive the cutting line sliding seat 45 and the cutting line base 46 to move along the X-axis direction to the stator 10, so that the inner wire row 201 and the outer wire row 202 are respectively located below the inner wire hole 41 and the outer wire hole 42; then, the cutting line support seat 4 is driven by the cutting knife lifting assembly 7 to move upward along the Z-axis direction, so that the inner wire head 2011 and the outer wire head 2021 are respectively inserted into the inner wire hole 41 and the outer wire hole 42; finally, the cutting knife body 5 is driven by the cutting knife transverse moving assembly 6 to extend along the X-axis direction, and the inner wire head 2011 and the outer wire head 2021 can be cut off at the same time by the cutting knife body 5.

[0057] In one embodiment, referring to Figure 4 and Figure 8 , the cutting line sliding seat 45 is slidingly installed on the cutting line base 44 through a guide rail pair. The number of guide rail pairs is two, and the two guide rail pairs are respectively installed on the two ends of the cutting line base 44, and each guide rail pair extends along the X-axis direction. This structure can improve the reliability of the cutting line sliding seat 45 sliding back and forth on the cutting line base 44 through the guide rail pair.

[0058] In one embodiment, referring to Figure 4 and Figure 8 , two cutting line inductors 441 are respectively installed on the cutting line base 44, and the two cutting line inductors 441 are spaced apart along the X-axis direction. A cutting line induction sheet 451 is installed on the cutting line sliding seat 45, and the cutting line induction sheet 451 can be arranged between the two cutting line inductors 441. This structure can limit the movement stroke of the cutting line sliding seat 45 along the X-axis direction through the cooperation of the cutting line induction sheet 451 and the two cutting line inductors 441, so as to limit the displacement of the inner wire hole 41 and the outer wire hole 42 along the X-axis direction.

[0059] In one embodiment, referring to Figure 4 to Figure 6As a specific implementation of the thread cutting device provided in the embodiment, the thread cutting base 46 is further provided with a material passing channel 461, which is in communication with the inner thread hole 41, the outer thread hole 42 and the thread cutting channel 43 respectively; the thread cutting support base 4 further comprises a thread cutting material guiding base 48 installed on the thread cutting base 46, and the thread cutting material guiding base 48 is provided with a material guiding channel 481, which is in communication with the material passing channel 461. The inner thread hole 41 and the outer thread hole 42 are both provided at the top of the thread cutting base 46; the thread cutting channel 43 extends along the X-axis direction; the material passing channel 461 is located below the thread cutting channel 43; the material guiding channel 481 is located below the material passing channel 461 and extends along the Z-axis direction. In this structure, the thread stubs cut by the cutter body 5 can be discharged in sequence through the material passing channel 461 and the material guiding channel 481.

[0060] Optionally, the machine table 1 is provided with a waste material box, which is located directly below the thread cutting material guiding base 48. In this structure, the thread stubs guided out of the material guiding channel 481 can fall into the waste material box, so as to realize storage.

[0061] In one embodiment, please refer to Figure 3 As a specific implementation of the thread cutting device provided in the embodiment, the machine table 1 is provided with a first position avoiding gap 12 for the thread cutting base 46 to extend into; the thread cutting device further comprises a rotating base 8 for supporting the rotating support base 2, which is installed on the machine table 1 and located between the machine table 1 and the rotating support base 2, and the rotating base 8 is provided with a second position avoiding gap 81 in communication with the first position avoiding gap 12. In this structure, the rotating base 8 can support the rotating support base 2, so as to avoid affecting the normal rotation of the rotating support base 2 due to the excessive weight of the stator 10. The first position avoiding gap 12 and the second position avoiding gap 81 can avoid the thread cutting base 46, and the thread cutting base 46 can extend into the first position avoiding gap 12 and the second position avoiding gap 81, so as to realize thread cutting operation on the inner thread row 201 and the outer thread row 202.

[0062] In one embodiment, please refer to Figure 3 The rotating base 8 is provided in a circular structure, and the second position avoiding gap 81 is provided at one end of the rotating base 8 close to the thread cutting base 46. The rotating base 8 and the machine table 1 can be detachably connected through screws, bolts and other fasteners, so as to facilitate disassembly and assembly of the rotating base 8.

[0063] Optionally, a plurality of balls are installed on the rotating base 8, and the plurality of balls are arranged in a circumferential annular array along the rotating base 8. Each ball is rotatably installed on the rotating base 8, each ball extends out of the top of the rotating base 8, and the top of each ball can be in contact with the bottom of the rotating support base 2. With this structure, the plurality of balls can realize rolling friction between the rotating support base 2 and the rotating base 8, thereby reducing the friction and wear between the rotating support base 2 and the rotating base 8.

[0064] In one embodiment, referring to Figure 3 As a specific embodiment of the tangent device provided in the present application, the rotating disc 21 is arranged between the rotating driving gear 32 and the first position-avoiding gap 12, the rotating disc 21 has a semicircular structure, the rotating disc 21 has a straight line segment 212 and an arc line segment 213, the arc line segment 213 is arranged opposite to the rotating driving gear 32, and the straight line segment 212 is arranged opposite to the first position-avoiding gap 12. With this structure, since the inner wire row 201 and the outer wire row 202 on the stator 10 have a fan-shaped structure, the rotating disc 21 is arranged in a semicircular structure, on one hand, the manufacturing cost of the rotating disc 21 is reduced; on the other hand, the gap position of the rotating disc 21 can reserve sufficient tangent space for the inner wire row 201 and the outer wire row 202.

[0065] In one embodiment, referring to Figure 3 The number of the support bases 22 can be three, the three support bases 22 are arranged in a circumferential annular array along the rotating disc 21, the two support bases 22 on the outer side are arranged at intervals along the length direction of the straight line segment 212, that is, the two ends of the straight line segment 212 are respectively provided with the support bases 22; and the support base 22 in the middle is arranged between the two support bases 22 on the outer side, that is, the distance between the support base 22 in the middle and each of the two support bases 22 on the outer side is the same. In this way, the three support bases 22 are arranged in an isosceles triangle to improve the support stability of the stator 10.

[0066] Optionally, the rotating angle of the rotating disc 21 is 0-90°, and the angle of the inner wire row 201 and the outer wire row 202 arranged in a fan shape is 30°-120°. The rotation of the rotating disc 21 can drive the stator 10 to rotate, and also can limit the rotating angle of the stator 10.

[0067] In one embodiment, referring to Figure 2 and Figure 3The clamping seat 30 can include an upper hoop 302 sleeved on the stator 10 and a lower hoop 303 connected with the upper hoop 302. The upper hoop 302 has a circular ring structure, and the lower hoop 303 has a semi-circular ring structure. The top of each of the three support bases 22 can abut against the bottom of the upper hoop 302 to support the stator 10. The two support bases 22 located on the outer side are respectively provided with support supports 221, which can support the two ends of the lower hoop 303 to improve the support and positioning effect of the stator 10 and the clamping seat 30. In addition, the two support bases 22 located on the outer side can abut against the two ends of the lower hoop 303 to prevent the stator 10 from rotating relative to the rotary support 2.

[0068] In one embodiment, referring to Figure 1 The rotary driving gear 32 and the rotary disc 21 are covered by the protective cover 13 installed on the machine table 1, thereby achieving covering protection.

[0069] In one embodiment, referring to Figure 1 The detector 16 is also installed on the machine table 1 and is directed to the tangent line support 4. In this structure, whether the tangent line support 4 moves to the correct position can be detected by the detector 16, so that instructions for subsequent tangent line work can be issued.

[0070] In one embodiment, referring to Figure 4 As a specific implementation of the tangent line device provided in the embodiment, the cutter horizontal moving assembly 6 includes a horizontal moving lead screw 61 rotatably installed on the tangent line support 4, a horizontal moving nut 62 installed on the horizontal moving lead screw 61, a horizontal moving sliding base 63 installed on the horizontal moving nut 62, and a horizontal moving driving member 64 for driving the horizontal moving lead screw 61 to rotate. The horizontal moving driving member 64 is installed on the tangent line support 4 and connected with the horizontal moving lead screw 61. One end of the cutter body 5 is connected with the horizontal moving sliding base 63, and the other end of the cutter body 5 extends into the tangent line channel 43. The horizontal moving driving member 64 can be a motor. In this structure, the horizontal moving lead screw 61 is driven by the horizontal moving driving member 64 to rotate forward and backward, thereby driving the horizontal moving sliding base 63 to reciprocally slide along the X-axis direction, and driving the cutter body 5 to reciprocally move in the tangent line channel 43, so as to realize the reciprocating tangent line work of the cutter body 5.

[0071] In one embodiment, referring to Figure 4 Two guide rail pairs are installed on the tangent line support 4 at intervals. Each guide rail pair extends along the X-axis direction, and the two ends of the horizontal moving sliding base 63 are respectively installed on the two guide rail pairs, so as to improve the reliability of the horizontal moving sliding base 63 reciprocally sliding on the tangent line support 4.

[0072] In one embodiment, referring to Figure 4The tangent supporting seat 4 is provided with two transverse displacement sensors 49 at intervals along the X-axis direction, and a transverse displacement sensing sheet 631 is installed on the transverse displacement sliding seat 63 and arranged between the two transverse displacement sensors 49. Through the sensing cooperation of the transverse displacement sensing sheet 631 and the two transverse displacement sensors 49, the movement stroke of the transverse displacement sliding seat 63 along the X-axis direction is limited, and the movement stroke of the cutter body 5 along the X-axis direction is limited.

[0073] In one embodiment, referring to Figure 4 and Figure 7 , as a specific embodiment of the cutting device provided in the application, the cutter body 5 includes a cutter connecting body 51 and a cutter operation body 52. One end of the cutter connecting body 51 is detachably connected with the transverse displacement sliding seat 63, the other end of the cutter connecting body 51 is detachably connected with one end of the cutter operation body 52, the other end of the cutter operation body 52 extends into the cutting channel 43, and the end of the cutter operation body 52 extending into the cutting channel 43 is provided with a downward inclined cutter inclined surface 522. Through the arrangement of the cutter body 5 as the cutter connecting body 51 and the cutter operation body 52, the disassembly and assembly of the cutter body 5 are facilitated, and the maintenance and replacement of the cutter body 5 are facilitated. Through the arrangement of the cutter inclined surface 522 at the front end of the cutter operation body 52, the cutting sharpness is improved.

[0074] In one embodiment, referring to Figure 4 and Figure 7 , the transverse displacement sliding seat 63 is provided with a transverse displacement installation groove 632 in a T-shaped structure, and one end of the cutter connecting body 51 is provided with a first cutter clamping portion 511 extending into the transverse displacement installation groove 632. The first cutter clamping portion 511 is in a T-shaped structure. Through the alignment cooperation of the first cutter clamping portion 511 and the transverse displacement installation groove 632, the disassembly efficiency of the cutter connecting body 51 and the transverse displacement sliding seat 63 is improved.

[0075] In one embodiment, referring to Figure 4 , the transverse displacement sliding seat 63 is provided with a transverse displacement cover plate 633 arranged above the transverse displacement installation groove 632. The first cutter clamping portion 511 is limited in the transverse displacement installation groove 632 through the transverse displacement cover plate 633.

[0076] In one embodiment, referring to Figure 7The end of the cutter connecting body 51 away from the transverse sliding seat 63 is provided with a second cutter clamping portion 512; and the cutter operation body 52 is provided with a cutter mounting groove 521 at one end thereof for the second cutter clamping portion 512 to be inserted into. Through the clamping cooperation between the second cutter clamping portion 512 and the cutter mounting groove 521, the disassembly and assembly efficiency of the cutter connecting body 51 and the cutter operation body 52 can be improved. The other end of the cutter operation body 52 is provided with a cutter inclined surface 522, that is, the thickness of the end of the cutter operation body 52 gradually increases from the cutter inclined surface 522 towards the cutter mounting groove 521.

[0077] In one embodiment, referring to Figure 8 As a specific embodiment of the cutting device provided in the present application, the cutter lifting assembly 7 comprises a cutter lifting support plate 71, a cutter lifting guide rod 72 connecting the cutter lifting support plate 71 and the cutting line support base 4, a cutter lifting lead screw 73 rotatably installed on the machine table 1, a cutter lifting nut 74 installed on the cutter lifting lead screw 73, and a cutter lifting power unit 75 for driving the cutter lifting lead screw 73 to rotate. The cutter lifting nut 74 is installed on the machine table 1, and the cutter lifting power unit 75 is installed on the cutter lifting support plate 71 and connected with the cutter lifting lead screw 73. Through the cutter lifting power unit 75 driving the cutter lifting lead screw 73 to rotate in the forward and reverse directions, the cutting line support base 4 can be driven to reciprocatingly lift along the Z-axis direction, thereby adjusting the distance between the cutting line base 46 and the coil 20.

[0078] In one embodiment, referring to Figure 8 The cutter lifting power unit 75 comprises a cutter lifting motor 751 installed on the cutter lifting support plate 71, a cutter lifting driving wheel 752 installed on the output shaft of the cutter lifting motor 751, a cutter lifting driven wheel 753 installed on the cutter lifting lead screw 73, and a cutter connecting belt 754 connecting the cutter lifting driving wheel 752 and the cutter lifting driven wheel 753. Through the cutter lifting motor 751 driving the cutter lifting lead screw 73 to rotate in the forward and reverse directions through the cutter connecting belt 754, the overall output efficiency of the cutter lifting assembly 7 can be improved.

[0079] In one embodiment, referring to Figure 8 The cutter lifting support plate 71 is installed with a lifting induction sheet 711, and two lifting inductors 14 are installed on the machine table 1 along the Z-axis direction and spaced apart from each other, and the lifting induction sheet 711 can be arranged between the two lifting inductors 14. Through the induction cooperation between the lifting induction sheet 711 and the two lifting inductors 14, the lifting stroke of the cutting line support base 4 along the Z-axis direction can be limited.

[0080] In one embodiment, referring to Figure 8The cutter lifting assembly 7 further comprises a plurality of cutter jacking driving members 76 mounted on the machine table 1. The plurality of cutter jacking driving members 76 are divided into two groups, and the two groups of cutter jacking driving members 76 are respectively located on the two sides below the cutting line support seat 4. Each cutter jacking driving member 76 can be an electric cylinder, a pneumatic cylinder or the like. Through the two groups of cutter jacking driving members 76, the two ends of the cutting line support seat 4 can be pushed, so as to improve the reliability of the cutting line support seat 4 in the Z-axis direction.

[0081] In one embodiment, referring to Figure 1 The machine table 1 is provided with a third position avoidance gap 15, and the third position avoidance gap 15 is communicated with the first position avoidance gap 12. Through the third position avoidance gap 15, the lifting of the cutting line support seat 4 in the Z-axis direction can be avoided.

[0082] The above only describes optional embodiments of the present application and is not used 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 tangent device for tangenting a coil on a stator, the coil comprising an inner wire row and an outer wire row disposed outside the inner wire row, the inner wire row comprising a plurality of inner wire ends arranged in a ring around the stator, the outer wire row comprising a plurality of outer wire ends arranged in a ring around the stator, the plurality of inner wire ends being respectively aligned with the plurality of outer wire ends radially along the stator, characterized in that: The tangent device includes: Machine tool; A rotating support base is rotatably mounted on the machine base to support the stator, wherein the stator is placed on the rotating support base in an inverted orientation; A rotary drive assembly is mounted on the machine base and connected to the rotary support base for driving the rotary support base to rotate; A tangential support base is provided with an inner wire hole for the inner wire end to pass through, an outer wire hole for the corresponding outer wire end to pass through, and a tangential channel. The inner wire hole and the outer wire hole are respectively connected to the tangential channel. The cutter body is located in the tangential channel; A cutter lateral movement assembly is mounted on the tangent support base and connected to the cutter body, used to drive the cutter body to reciprocate through the inner wire hole and the outer wire hole; A cutter lifting assembly is installed on the machine base and connected to the tangent support base, used to drive the tangent support base to lift. The rotating support base includes a rotating disk rotatably mounted on the machine base and three support bases mounted on the rotating disk. The output end of the rotating drive assembly is connected to the rotating disk. A wire clamping seat is mounted on the stator, and the wire clamping seat has a wire clamping positioning hole. A support guide rod for inserting into the wire clamping positioning hole is mounted on the support base. The inner and outer wire rows on the stator are arranged in a fan-shaped structure. The three support bases are arranged in a circumferential ring array along the rotating disk. The rotating disk has a semi-circular structure and has a straight segment and an arc segment. The two support bases located on the outer side are spaced apart along the length direction of the straight segment. The support base located in the middle is equidistant from the two support bases located on the outer side. The clamping seat includes an upper hoop sleeved on the stator and a lower hoop connected to the upper hoop. The upper hoop has a circular ring structure, and the lower hoop has a semi-circular ring structure. The tops of the three support bases respectively abut against the bottom of the upper hoop. Support brackets are installed on the two outer support bases respectively. The two support brackets support the two ends of the lower hoop, and the two outer support bases abut against the two ends of the lower hoop. The cutter lateral movement assembly includes a lateral movement screw rotatably mounted on the tangent support, a lateral movement nut mounted on the lateral movement screw, a lateral movement sliding seat mounted on the lateral movement nut, and a lateral movement drive for driving the lateral movement screw to rotate. The lateral movement drive is mounted on the tangent support and connected to the lateral movement screw. One end of the cutter body is connected to the lateral movement sliding seat, and the other end of the cutter body extends into the tangent channel. The cutter body includes a cutter connector and a cutter working body. One end of the cutter connector is detachably connected to the transverse sliding seat, and the other end of the cutter connector is detachably connected to one end of the cutter working body. The other end of the cutter working body extends into the tangent channel, and the end of the cutter working body extending into the tangent channel has a downward-sloping cutter bevel.

2. The tangent device as described in claim 1, characterized in that: The outer periphery of the rotary disk is provided with multiple rotating teeth; the rotary drive assembly includes a rotary drive component mounted on the machine base and a rotary drive gear mounted on the output end of the rotary drive component, the rotary drive gear meshing with the rotating teeth.

3. The tangent device as described in claim 2, characterized in that: The tangent support includes a tangent base connected to the output end of the cutter lifting assembly, a tangent sliding seat slidably mounted on the tangent base, a tangent base mounted on the tangent sliding seat, and a tangent power unit for driving the tangent sliding seat to reciprocate. The tangent power unit is mounted on the tangent base and connected to the tangent sliding seat. The tangent base has an inner wire hole, an outer wire hole, and a tangent channel respectively. The sliding direction of the tangent sliding seat is the same as the sliding direction of the cutter body.

4. The tangent device as described in claim 3, characterized in that: The tangential base is also provided with a material passage, which is connected to the inner wire hole, the outer wire hole and the tangential channel respectively; the tangential support base also includes a tangential material guide seat installed on the tangential base, which is provided with a material guide channel and is connected to the material passage.

5. The tangent device as described in claim 3, characterized in that: The machine base is provided with a first clearance notch for the tangent base to extend into; the tangent device also includes a rotating base for supporting the rotating support base, the rotating base is installed on the machine base, the rotating base is located between the machine base and the rotating support base, and the rotating base is provided with a second clearance notch that communicates with the first clearance notch.

6. The tangent device as described in claim 5, characterized in that: The rotating disk is positioned between the rotating drive gear and the first clearance notch, with the arc segment facing the rotating drive gear and the straight segment facing the first clearance notch.

7. The tangent device according to any one of claims 1-6, characterized in that: The cutter lifting assembly includes a cutter lifting support plate, a cutter lifting guide rod connecting the cutter lifting support plate and the tangent support seat, a cutter lifting screw rotatably mounted on the machine base, a cutter lifting nut mounted on the cutter lifting screw, and a cutter lifting power unit for driving the cutter lifting screw to rotate. The cutter lifting nut is mounted on the machine base, and the cutter lifting power unit is mounted on the cutter lifting support plate and connected to the cutter lifting screw.

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