A tangent mechanism

Abstract

The application provides a cutting mechanism, which comprises a machine table, a material conveying line for conveying a tool support, a material lifting assembly for lifting the tool support, a cutting assembly for cutting the coil, and a material transition assembly for conveying the stator core. The tool support carrying the stator core can be conveyed to a feeding position by the material conveying line. The tool support can be lifted by the material lifting assembly to separate the tool support from the material conveying line. The stator core on the tool support can be picked up by the material transition assembly and conveyed to the cutting assembly. The coil on the stator core can be cut by the cutting assembly. Thus, the cutting mechanism can convey the stator core from the material conveying line to the cutting assembly by the material lifting assembly and the material transition assembly, so as to replace the manual handling operation of the stator core, improve the feeding efficiency of the stator core, and reduce the labor cost.

Description

TECHNICAL FIELD

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

[0002] During the manufacturing process of a stator, a coil needs to be wound on a stator core. After the winding is completed, the stator core is then moved to a cutting station by a conveying line, and the coil on the stator core is cut by a cutting device at the cutting station position, so that the length of the coil meets the target value.

[0003] However, the moving operation of the stator core from the conveying line to the cutting station is usually completed by manual carrying, which leads to low conveying efficiency of the stator core and high labor cost. SUMMARY

[0004] The purpose of the embodiment of the application is to provide a cutting mechanism to solve the problems of low conveying efficiency of the stator core and high labor cost in the related art.

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

[0006] A cutting mechanism is provided, comprising:

[0007] A machine table, wherein an upper loading position and a cutting position are arranged on the machine table;

[0008] A material moving conveying line is installed on the machine table and is used to convey a tool support carrying a stator core, wherein the stator core has a coil wound thereon;

[0009] A material lifting assembly is installed below the material moving conveying line at the upper loading position and is used to lift the tool support;

[0010] A cutting assembly is installed at the cutting position and is used to cut the coil;

[0011] A material moving transition assembly is installed on the machine table and is used to move the stator core from the upper loading position to the cutting assembly.

[0012] In one embodiment, the material lifting assembly comprises a material lifting bracket installed on the machine table, a material lifting base vertically slidingly installed on the material lifting bracket, a lifting driving unit used to drive the material lifting base to lift, a material lifting pedestal used to support the tool support, and a lifting rotating driving member used to drive the material lifting pedestal to rotate; the lifting driving unit is installed on the material lifting bracket and connected with the material lifting base, and the lifting rotating driving member is installed on the material lifting base and connected with the material lifting pedestal.

[0013] In one embodiment, a plurality of jig positioning holes are formed in the jig support; and a plurality of material jacking guide rods are installed on the material jacking top seat and are respectively inserted into the plurality of jig positioning holes.

[0014] In one embodiment, the cutting assembly comprises:

[0015] A rotating support seat is rotatably installed on the machine table and is used to support the stator core;

[0016] A rotating driving unit is installed on the machine table and is connected with the rotating support seat, and is used to drive the rotating support seat to rotate;

[0017] A cutting support seat is formed with a cutting hole for inserting the extending end of the coil and a cutting channel communicating with the cutting hole;

[0018] A cutter body is arranged in the cutting channel;

[0019] A cutter horizontal moving unit is installed on the cutting support seat and is connected with the cutter body, and is used to drive the cutter body to reciprocate through the cutting hole;

[0020] A cutter lifting unit is installed on the machine table and is connected with the cutting support seat, and is used to drive the cutting support seat to lift and lower.

[0021] In one embodiment, the coil comprises an inner wire row and an outer wire row arranged outside the inner wire row, the inner wire row comprises a plurality of inner wire heads arranged in a circumferential ring along the stator core, the outer wire row comprises a plurality of outer wire heads arranged in a circumferential ring along the stator core, and the plurality of inner wire heads are respectively arranged in radial alignment with the plurality of outer wire heads along the stator core; the cutting hole comprises an inner wire hole for each inner wire head to pass through and an outer wire hole for the corresponding outer wire head to pass through, and the inner wire hole and the outer wire hole respectively communicate with the cutting channel.

[0022] In one embodiment, the rotating support seat comprises a rotating disc rotatably installed on the machine table and a plurality of support bases installed on the rotating disc, and an output end of the rotating driving unit is connected with the rotating disc; a wire clamping seat is installed on the stator core, the wire clamping seat is formed with a wire clamping positioning hole, and a support guide rod for being inserted into the wire clamping positioning hole is installed on the support base.

[0023] In one embodiment, the tangent line support base comprises a tangent line base connected with the output end of the tangent cutter lifting unit, a tangent line sliding base slidingly mounted on the tangent line base, a tangent line base plate mounted on the tangent line sliding base, and a tangent line power unit for driving the tangent line sliding base to slide back and forth, the tangent line power unit being mounted on the tangent line base and connected with the tangent line sliding base; the tangent line base plate is provided with the inner wire hole, the outer wire hole and the tangent line channel respectively, and the sliding direction of the tangent line sliding base is the same as the sliding direction of the tangent cutter body.

[0024] In one embodiment, the tangent cutter body comprises a tangent cutter connecting body and a tangent cutter working body, one end of the tangent cutter connecting body being detachably connected with the tangent cutter transverse moving unit, the other end of the tangent cutter connecting body being detachably connected with one end of the tangent cutter working body, the other end of the tangent cutter working body extending into the tangent line channel, and the end of the tangent cutter working body extending into the tangent line channel being provided with a downwardly inclined tangent cutter inclined surface.

[0025] In one embodiment, the material moving transition assembly comprises a material moving transition support mounted on the machine table, a material moving sliding plate slidingly mounted on the material moving transition support, a material moving sliding unit for driving the material moving sliding plate to slide back and forth, a material moving clamping member for clamping the stator core, a material moving overturning unit for driving the material moving clamping member to overturn, a material moving support base supporting the material moving overturning unit, and a material moving lifting unit for driving the material moving support base to lift; the material moving sliding unit is mounted on the material moving transition support and connected with the material moving sliding plate, the output end of the material moving overturning unit is connected with the material moving clamping member, and the material moving lifting unit is mounted on the material moving sliding plate and connected with the material moving support base.

[0026] In one embodiment, the material moving transition assembly further comprises a lower limiting seat arranged at the bottom of the material moving support base and a material moving elastic member connecting the material moving support base and the lower limiting seat.

[0027] The tangent line mechanism provided by the embodiments has at least the following beneficial effects: the tangent line mechanism can move the tool support bearing the stator core to the feeding position through the material moving conveying line; the tool support can be lifted by the material lifting assembly to realize the separation of the tool support and the material moving conveying line; the stator core on the tool support can be picked up by the material moving transition assembly and moved to the tangent line assembly; and the coil on the stator core can be processed by the tangent line assembly. In this way, the material lifting assembly and the material moving transition assembly can move the stator core from the material moving conveying line to the tangent line assembly, so that the manual handling operation of the stator core can be replaced, the feeding efficiency of the stator core can be improved, and the labor cost can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0028] 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 on the basis of these drawings.

[0029] Figure 1 The structure schematic diagram of the tangent mechanism provided for the embodiments of the present application is shown in the figure.

[0030] Figure 2 The structure schematic diagram of the material lifting assembly provided for the embodiments of the present application is shown in the figure.

[0031] Figure 3 The structure schematic diagram of the tool support provided for the embodiments of the present application is shown in the figure.

[0032] Figure 4 The structure schematic diagram of the stator core provided for the embodiments of the present application is shown in the figure.

[0033] Figure 5 The structure schematic diagram of the tangent assembly provided for the embodiments of the present application is shown in the figure.

[0034] Figure 6 The structure schematic diagram of the rotary support seat position provided for the embodiments of the present application is shown in the figure.

[0035] Figure 7 The structure schematic diagram of the tangent cutter horizontal moving unit position provided for the embodiments of the present application is shown in the figure.

[0036] Figure 8 The structure schematic diagram of the tangent base provided for the embodiments of the present application is shown in the figure.

[0037] Figure 9 The structure schematic diagram of the tangent material leading seat provided for the embodiments of the present application is shown in the figure.

[0038] Figure 10 The structure schematic diagram of the tangent cutter body provided for the embodiments of the present application is shown in the figure.

[0039] Figure 11 The structure schematic diagram of the tangent cutter lifting unit position provided for the embodiments of the present application is shown in the figure.

[0040] Figure 12 The structure schematic diagram of the material moving transition assembly provided for the embodiments of the present application is shown in the figure.

[0041] Figure 13 The structure schematic diagram of the material moving support seat position provided for the embodiments of the present application is shown in the figure.

[0042] In the figures, the main marks are:

[0043] 10, stator core; 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;

[0044] 100, wire cutting assembly; 1, machine table; 11, ball bearing; 12, first position avoidance gap; 13, protective cover; 14, lifting inductor; 15, third position avoidance gap; 16, detector;

[0045] 2, rotating support seat; 21, rotating disc; 211, rotating clamping tooth; 212, straight line segment; 213, arc line segment; 22, support base; 221, support support; 23, support guide rod;

[0046] 3, rotating drive unit; 31, rotating drive piece; 32, rotating drive gear;

[0047] 4, wire cutting support seat; 40, wire cutting hole; 41, inner wire hole; 42, outer wire hole; 43, wire cutting channel; 44, wire cutting base; 441, wire cutting inductor; 45, wire cutting sliding seat; 451, wire cutting inductor sheet; 46, wire cutting base; 461, material passing channel; 47, wire cutting power unit; 48, wire cutting material guiding seat; 481, material guiding channel; 49, transverse movement inductor;

[0048] 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 bevel;

[0049] 6, cutter transverse movement unit; 61, transverse movement lead screw; 62, transverse movement nut; 63, transverse movement sliding seat; 631, transverse movement inductor sheet; 632, transverse movement mounting groove; 633, transverse movement cover plate; 64, transverse movement drive piece;

[0050] 7, cutter lifting unit; 71, cutter lifting support plate; 711, lifting inductor sheet; 72, cutter lifting guide rod; 73, cutter lifting lead screw; 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 drive piece;

[0051] 8, rotating base; 81, second position avoidance gap;

[0052] 9, material moving transition assembly; 91, material moving transition support; 92, material moving sliding plate; 93, material moving sliding unit; 94, material moving clamping piece; 95, material moving overturning unit; 96, material moving support seat; 97, material moving lifting unit; 98, lower limit seat; 99, material moving elastic piece;

[0053] 50, material jacking assembly; 501, material jacking support; 502, material jacking base; 503, jacking drive unit; 504, material jacking top base; 505, jacking rotation drive; 506, material jacking guide rod; 507, material jacking support base;

[0054] 60, tool support; 601, tool positioning hole. DETAILED DESCRIPTION

[0055] In order to make the technical problems to be solved, 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 intended to limit the present application.

[0056] It should be noted that when an element is referred to as being "fixed" or "disposed" on 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.

[0057] 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 an implied indication of the number of indicated technical features. Therefore, the features defined with "first", "second", and the like can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited. The meaning of "several" is one or more, unless otherwise explicitly and specifically limited.

[0058] In the description of the present application, it should be understood that the terms "center", "length", "width", "thickness", "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 purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0059] In the description of the application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, it can be internal communication of two elements or interaction relationship between 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.

[0060] 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 appearance of the phrase "in one embodiment" or "in some embodiments" in various places throughout the specification are not all referring to the same embodiment. In addition, the particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

[0061] 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 coordinate axis in the vertical direction; 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.

[0062] Please refer to Figure 1The tangential cutting mechanism provided by the embodiment of the present application will be described. The tangential cutting mechanism comprises a machine table 1, a material moving and conveying line (not shown in the figure), a material lifting assembly 50, a tangential cutting assembly 100 and a material moving transition assembly 9. The machine table 1 is provided with a feeding position and a tangential cutting position, and the feeding position and the tangential cutting position are oppositely spaced. The material moving and conveying line is installed on the machine table 1 and is used for conveying a tool support 60 along the Y-axis direction, the tool support 60 carries a stator core 10, and the stator core 10 is wound with a coil 20. The material moving and conveying line can be a belt conveying mechanism, a sliding table linear motor, etc., and a passage for the material lifting assembly 50 to enter and exit is formed in the middle of the material moving and conveying line. The material lifting assembly 50 is installed on the feeding position of the machine table 1, is arranged below the material moving and conveying line, and is used for lifting the tool support 60 carrying the stator core 10. The tangential cutting assembly 100 is installed on the tangential cutting position and is used for performing tangential cutting on the coil 20 on the stator core 10. The material moving transition assembly 9 is installed on the machine table 1, specifically above the tangential cutting assembly 100 and between the feeding position and the tangential cutting position, and is used for moving the stator core 10 from the feeding position to the tangential cutting assembly 100. Through the material moving and conveying line, the tool support 60 carrying the stator core 10 can be moved to the feeding position, through the material lifting assembly 50, the tool support 60 can be lifted to separate the tool support 60 from the material moving and conveying line, through the material moving transition assembly 9, the stator core 10 on the tool support 60 can be picked up and moved to the tangential cutting assembly 100, and through the tangential cutting assembly 100, the coil 20 on the stator core 10 can be tangentially cut. In this way, the tangential cutting mechanism can move the stator core 10 from the material moving and conveying line to the tangential cutting assembly 100 through the material lifting assembly 50 and the material moving transition assembly 9, so as to replace the manual handling operation of the stator core 10, help to improve the feeding efficiency of the stator core 10, and reduce the labor cost.

[0063] In one embodiment, referring to Figure 2As a specific implementation of the tangential mechanism provided in the embodiments of the present application, the material jacking assembly 50 comprises a material jacking support 501 mounted on the machine table 1, a material jacking base 502 slidingly mounted on the material jacking support 501 in the vertical direction, a jacking driving unit 503 for driving the material jacking base 502 to lift, a material jacking top 504 for supporting the tool support 60, and a jacking rotation driving member 505 for driving the material jacking top 504 to rotate. The jacking driving unit 503 is mounted on the material jacking support 501 and connected with the material jacking base 502, and the jacking rotation driving member 505 is mounted on the material jacking base 502 and connected with the material jacking top 504. With this structure, when the material moving conveying line moves the tool support 60 carrying the stator core 10 to the material loading position, the material jacking base 502 and the material jacking top 504 can be lifted by the jacking driving unit 503, so that the tool support 60 is separated from the material moving conveying line, and the material moving conveying line can continue to work, thereby avoiding the long waiting time of the material moving conveying line. The material jacking top 504 can be driven to rotate by the jacking rotation driving member 505, so as to realize the accurate alignment of the material jacking top 504 and the tool support 60.

[0064] Optionally, the jacking rotation driving member 505 can be an electric motor, and the jacking driving unit 503 can be a pneumatic cylinder, an electric cylinder, or a screw rod transmission mechanism. In the present application, the jacking driving unit 503 adopts a screw rod transmission mechanism.

[0065] In one embodiment, referring to Figure 2 and Figure 3 As a specific implementation of the tangential mechanism provided in the embodiments of the present application, a plurality of tool positioning holes 601 are formed in the tool support 60, and a plurality of material jacking guide rods 506 are mounted on the material jacking top 504 and are respectively inserted into the plurality of tool positioning holes 601. With this structure, the plurality of material jacking guide rods 506 are respectively inserted into the plurality of tool positioning holes 601, so as to realize the accurate alignment of the material jacking top 504 and the tool support 60, and thus the tool support 60 can be jacked to the correct position.

[0066] In one embodiment, referring to Figure 2 A plurality of material jacking supports 507 are further mounted on the material jacking top 504 and are used to cooperate with the bottom of the tool support 60 to resist, so as to realize the supporting and positioning of the tool support 60 and prevent the tool support 60 from being deviated in position during lifting.

[0067] In one embodiment, referring to Figures 5 to 7As a specific implementation of the cutting mechanism provided in the embodiments of the present application, the cutting assembly 100 comprises a rotating support base 2, a rotating driving unit 3, a cutting support base 4, a cutting knife body 5, a cutting knife horizontal moving unit 6, and a cutting knife lifting unit 7. The rotating support base 2 is rotatably installed on the machine table 1 and is used to carry the stator core 10 transferred by the material moving and transferring assembly 9. The rotating driving unit 3 is installed on the machine table 1, the output end of the rotating driving unit 3 is connected with the rotating support base 2, and the rotating driving unit 3 is used to drive the rotating support base 2 to rotate. Referring to Figure 8 The cutting support base 4 is provided with a cutting hole 40 for inserting the extending end of the coil 20 and a cutting channel 43 in communication with the cutting hole 40. The cutting knife body 5 is arranged in the cutting channel 43. The cutting knife horizontal moving unit 6 is installed on the cutting support base 4, the output end of the cutting knife horizontal moving unit 6 is connected with the cutting knife body 5, and the cutting knife horizontal moving unit 6 is used to drive the cutting knife body 5 to reciprocate through the cutting hole 40. The cutting knife lifting unit 7 is installed on the machine table 1, the output end of the cutting knife lifting unit 7 is connected with the cutting support base 4, and the cutting knife lifting unit 7 is used to drive the cutting support base 4 to lift. With this structure, the cutting support base 4 can be driven by the cutting knife lifting unit 7 to lift, and then the coil 20 on the stator core 10 can be inserted into the cutting hole 40. The cutting knife body 5 can be driven by the cutting knife horizontal moving unit 6 to reciprocate in the cutting channel 43, and the coil 20 inserted into the cutting hole 40 can be cut by the cutting knife body 5. The stator core 10 can be supported by the rotating support base 2. The rotating support base 2 can be driven by the rotating driving unit 3 to rotate. The above cutting operation can be repeated to realize the rotary cutting operation of the coil 20, and then the cutting efficiency can be improved.

[0068] In one embodiment, referring to Figure 4 and Figure 8 As a specific implementation of the cutting mechanism provided in the embodiments of the present application, 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 arranged in a circumferential annular shape along the stator core 10. The outer wire row 202 comprises a plurality of outer wire heads 2021 arranged in a circumferential annular shape along the stator core 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 core 10. The cutting hole 40 comprises an inner wire hole 41 for allowing each inner wire head 2011 to pass through and an outer wire hole 42 for allowing the corresponding outer wire head 2021 to pass through. The inner wire hole 41 and the outer wire hole 42 are respectively in communication with the cutting channel 43. With this structure, the cutting support base 4 can be driven by the cutting knife lifting unit 7 to lift, and then the corresponding inner wire head 2011 and outer wire head 2021 on the stator core 10 can be respectively inserted into the inner wire hole 41 and the outer wire hole 42. The corresponding inner wire head 2011 and outer wire head 2021 can be simultaneously cut by the cutting knife body 5, and thus the lengths of the inner wire head 2011 and the outer wire head 2021 can be ensured to be consistent.

[0069] In one embodiment, please refer to Figure 4 and Figure 6 , as a specific embodiment of the tangent mechanism provided by the present application, the rotating support seat 2 comprises a rotating disc 21 rotatably installed on the machine table 1 and a plurality of support bases 22 installed on the rotating disc 21, and the output end of the rotating driving unit 3 is connected with the rotating disc 21; the stator core 10 is installed 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 installed with a support guide rod 23 for inserting into the wire clamping positioning hole 301. Through the plurality of support bases 22, the stator core 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 core 10 and the rotating support seat 2 can be realized, and the rotation of the stator core 10 relative to the rotating support seat 2 can also be prevented.

[0070] In one embodiment, please refer to Figure 6 , the machine table 1 is installed with a ball bearing 11, 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 rotation of the rotating disc 21 on the machine table 1 can be realized, which can reduce the friction and wear of the rotating disc 21, so as to realize the rotation protection of the rotating disc 21.

[0071] In one embodiment, please refer to Figure 4 and Figure 6 , the number of wire clamping positioning holes 301 can be multiple, and the plurality of wire clamping positioning holes 301 are arranged in a circumferential annular array along the stator core 10. The plurality of support bases 22 are arranged in a circumferential annular array along the rotating disc 21, each support base 22 can be installed with a support guide rod 23, and the plurality of support guide rods 23 can be inserted into the plurality of wire clamping positioning holes 301 respectively, so as to improve the installation precision of the stator core 10 installed on the rotating support seat 2, and also avoid the rotation of the stator core 10 relative to the rotating support seat 2 during the rotation of the rotating support seat 2.

[0072] In one embodiment, please refer to Figure 6 , the outer periphery of the rotating disc 21 is provided with a plurality of rotating clamping teeth 211; the rotating driving unit 3 comprises 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. Among them, 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, which can drive the rotating disc 21 and the stator core 10 to rotate, so as to rotate and adjust the positions of the inner wire row 201 and the outer wire row 202 on the stator core 10.

[0073] Optionally, the rotating driving unit 3 can also be a driving motor directly connected with the rotating disc 21; or, the rotating driving unit 3 can also be a belt transmission mechanism to drive the rotating disc 21 to rotate through a belt.

[0074] In an embodiment, referring to Figure 7 and Figure 11 as a specific implementation of the tangential cutting mechanism provided in the embodiments of the present application, the tangential cutting support base 4 comprises a tangential cutting base 44 connected with the output end of the cutter lifting unit 7, a tangential cutting sliding base 45 slidingly installed on the tangential cutting base 44, a tangential cutting base 46 installed on the tangential cutting sliding base 45, and a tangential cutting power unit 47 for driving the tangential cutting sliding base 45 to reciprocally slide, the tangential cutting power unit 47 being installed on the tangential cutting base 44 and connected with the tangential cutting sliding base 45; the tangential cutting base 46 is respectively provided with an inner wire hole 41, an outer wire hole 42 and a tangential cutting passage 43, and the sliding direction of the tangential cutting sliding base 45 is the same as the sliding direction of the cutter body 5. The tangential cutting power unit 47 can be a cylinder, an electric cylinder, a screw transmission mechanism, a sliding table linear motor, etc. In the embodiments of the present application, the tangential cutting power unit 47 adopts a screw transmission mechanism. With this structure, after the stator core 10 is transferred to the rotating support base 2, the tangential cutting power unit 47 can drive the tangential cutting sliding base 45 and the tangential cutting base 46 to move close to the stator core 10 along the X-axis direction, so that the inner wire row 201 and the outer wire row 202 are respectively located directly below the inner wire hole 41 and the outer wire hole 42; then, the tangential cutting support base 4 is driven by the cutter lifting unit 7 to ascend 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 cutter body 5 is driven by the cutter transverse moving unit 6 to extend along the X-axis direction, and the cutter body 5 can simultaneously cut the inner wire head 2011 and the outer wire head 2021.

[0075] In an embodiment, referring to Figure 7 and Figure 11 the tangential cutting sliding base 45 is slidingly installed on the tangential cutting base 44 through a guide rail pair. The number of the guide rail pairs is two, and the two guide rail pairs are respectively installed on the two ends of the tangential cutting base 44, and each guide rail pair extends along the X-axis direction. With this structure, the guide rail pair can improve the reliability of the reciprocating sliding of the tangential cutting sliding base 45 on the tangential cutting base 44.

[0076] In an embodiment, referring to Figure 7 and Figure 11Two tangent line inductors 441 are respectively installed on the tangent line base 44, and the two tangent line inductors 441 are arranged in the X-axis direction. A tangent line inductive sheet 451 is installed on the tangent line sliding base 45, and the tangent line inductive sheet 451 can be arranged between the two tangent line inductors 441. Through the cooperation of the tangent line inductive sheet 451 and the two tangent line inductors 441, the movement stroke of the tangent line sliding base 45 in the X-axis direction can be limited, and thus the displacement of the inner wire hole 41 and the outer wire hole 42 in the X-axis direction can be limited.

[0077] In one embodiment, referring to Figures 7 to 9 A material passing channel 461 is further arranged on the tangent line base 46, and the material passing channel 461 is in communication with the inner wire hole 41, the outer wire hole 42 and the tangent line channel 43. The tangent line material guiding base 48 is installed on the tangent line base 46, and a material guiding channel 481 is arranged on the tangent line material guiding base 48. The material guiding channel 481 is in communication with the material passing channel 461. The inner wire hole 41 and the outer wire hole 42 are arranged at the top of the tangent line base 46. The tangent line channel 43 extends in the X-axis direction. The material passing channel 461 is arranged below the tangent line channel 43. The material guiding channel 481 is arranged below the material passing channel 461 and extends in the Z-axis direction. Through the cutter body 5, the wire ends can be sequentially discharged through the material passing channel 461 and the material guiding channel 481.

[0078] Optionally, a waste box is arranged on the machine table 1 and arranged below the tangent line material guiding base 48. Through the material guiding channel 481, the wire end waste can be dropped into the waste box to achieve storage.

[0079] In one embodiment, referring to Figure 6 A first avoiding gap 12 is arranged on the machine table 1 and used for the tangent line base 46 to extend into. The tangent line assembly 100 further comprises a rotating base 8 used for supporting the rotating support base 2. The rotating base 8 is installed on the machine table 1 and arranged between the machine table 1 and the rotating support base 2. A second avoiding gap 81 is arranged on the rotating base 8 and in communication with the first avoiding gap 12. Through the rotating base 8, the rotating support base 2 can be supported, and the normal rotation of the rotating support base 2 is not affected due to the overloading of the stator core 10. Through the first avoiding gap 12 and the second avoiding gap 81, the tangent line base 46 can be avoided, and the tangent line base 46 can extend into the first avoiding gap 12 and the second avoiding gap 81 to achieve the tangent operation on the inner wire row 201 and the outer wire row 202.

[0080] In one embodiment, referring to Figure 6The rotating base 8 is in a circular structure, and a second avoiding gap 81 is arranged at one end of the rotating base 8 close to the tangent base 46. The rotating base 8 and the machine table 1 are detachably connected through screws or bolts, facilitating the disassembly and assembly of the rotating base 8.

[0081] Optionally, a plurality of balls are arranged on the rotating base 8 and arranged in a circumferential annular array along the rotating base 8. Each ball is rotatably arranged 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. Through the plurality of balls, the rotating support base 2 and the rotating base 8 can realize rolling friction, thereby reducing the friction and wear between the rotating support base 2 and the rotating base 8.

[0082] In one embodiment, referring to Figure 6 The rotating disc 21 is arranged between the rotating driving gear 32 and the first avoiding gap 12, and the rotating disc 21 is in a semicircular structure and 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 avoiding gap 12. Due to the fact that the inner wire row 201 and the outer wire row 202 on the stator core 10 are in a fan structure, the rotating disc 21 is arranged in a semicircular structure, which reduces the manufacturing cost of the rotating disc 21 on the one hand, and 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.

[0083] In one embodiment, referring to Figure 6 The number of the support bases 22 can be three, and 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 in a 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. The middle support base 22 is arranged between the two support bases 22 on the outer side, that is, the distance between the middle support base 22 and 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 core 10.

[0084] Optionally, the rotating angle of the rotating disc 21 is 0-90°, and the angle of the fan-arranged inner wire row 201 and outer wire row 202 is 30°-120°. The rotation of the rotating disc 21 can drive the stator core 10 to rotate and limit the rotating angle of the stator core 10.

[0085] In one embodiment, referring to Figure 4 and Figure 6The wire clamping seat 30 can include an upper hoop 302 sleeved on the stator core 10 and a lower hoop 303 connected with the upper hoop 302, the upper hoop 302 is in a circular ring structure, and the lower hoop 303 is in 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 core 10. The two support bases 22 located at the outer side are respectively provided with a support support 221, and the two support supports 221 can support the two ends of the lower hoop 303 to improve the support and positioning effect of the stator core 10 and the wire clamping seat 30. In addition, the two support bases 22 located at the outer side can abut against the two ends of the lower hoop 303 to prevent the rotation of the stator core 10 relative to the rotating support 2.

[0086] In one embodiment, referring to Figure 5 The rotating driving gear 32 and the rotating disc 21 are covered by the protective cover 13 installed on the machine table 1, so that the covering protection is realized.

[0087] In one embodiment, referring to Figure 5 The detector 16 is also installed on the machine table 1 and is directed to the wire cutting support 4. In this structure, whether the wire cutting support 4 moves to the correct position can be detected by the detector 16, so that the instruction for subsequent wire cutting operation is conveniently issued.

[0088] In one embodiment, referring to Figure 7 The cutter horizontal moving unit 6 includes a horizontal moving lead screw 61 rotatably installed on the wire cutting 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 wire cutting 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 wire cutting 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 reverse, so as to drive the horizontal moving sliding base 63 to reciprocally slide along the X-axis direction, and then drive the cutter body 5 to reciprocally move in the wire cutting channel 43, so as to realize the reciprocating wire cutting operation of the cutter body 5.

[0089] In one embodiment, referring to Figure 7 Two guide rail pairs are installed on the wire cutting 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 reciprocating sliding of the horizontal moving sliding base 63 on the wire cutting support 4.

[0090] In one embodiment, referring to Figure 7The tangent supporting seat 4 is provided with two transverse displacement sensors 49 at intervals along the X-axis direction, the transverse displacement sliding seat 63 is provided with a transverse displacement sensing sheet 631, and the transverse displacement sensing sheet 631 is arranged between the two transverse displacement sensors 49. Through the sensing cooperation between 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 can be limited, and the movement stroke of the cutter body 5 along the X-axis direction can be limited.

[0091] In one embodiment, referring to Figure 7 and Figure 10 , as a specific embodiment of the tangent cutting mechanism provided by the embodiment, the cutter body 5 comprises 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 tangent cutting channel 43, and the end of the cutter operation body 52 extending into the tangent 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 can be improved.

[0092] In one embodiment, referring to Figure 7 and Figure 10 , the transverse displacement sliding seat 63 is provided with a transverse displacement mounting 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 mounting groove 632, and the first cutter clamping portion 511 is in a T-shaped structure. Through the alignment cooperation between the first cutter clamping portion 511 and the transverse displacement mounting groove 632, the disassembly efficiency of the cutter connecting body 51 and the transverse displacement sliding seat 63 can be improved.

[0093] In one embodiment, referring to Figure 7 , the transverse displacement sliding seat 63 is provided with a transverse displacement cover plate 633 arranged above the transverse displacement mounting groove 632. The first cutter clamping portion 511 is limited in the transverse displacement mounting groove 632 through the transverse displacement cover plate 633.

[0094] In one embodiment, referring to Figure 10The second cutter clamping portion 512 is clamped into the cutter mounting slot 521, so that the dismounting efficiency of the cutter connecting body 51 and the cutter operation body 52 is improved. The other end of the cutter operation body 52 is provided with a cutter bevel 522, that is, the thickness of the end of the cutter operation body 52 gradually increases from the cutter bevel 522 to the cutter mounting slot 521.

[0095] In one embodiment, referring to Figure 11 The cutter lifting unit 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 forward and backward, the cutting line support base 4 can be reciprocatingly lifted along the Z-axis direction, so as to adjust the distance between the cutting line base 46 and the coil 20.

[0096] In one embodiment, referring to Figure 11 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 forward and backward through the cutter connecting belt 754, the overall output efficiency of the cutter lifting unit 7 can be improved.

[0097] In one embodiment, referring to Figure 11 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 are spaced apart. The lifting induction sheet 711 can be arranged between the two lifting inductors 14. Through the induction cooperation of 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.

[0098] In one embodiment, referring to Figure 11The cutter lifting unit 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 or a pneumatic cylinder. 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.

[0099] In one embodiment, referring to Figure 5 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.

[0100] In one embodiment, referring to Figure 12 As a specific embodiment of the cutting mechanism provided in the present application, the material moving transition assembly 9 comprises a material moving transition support 91 mounted on the machine table 1, a material moving sliding plate 92 slidingly mounted on the material moving transition support 91, a material moving sliding unit 93 for driving the material moving sliding plate 92 to reciprocate, a material moving clamping member 94 for clamping the stator core 10, a material moving overturning unit 95 for driving the material moving clamping member 94 to overturn, a material moving support seat 96 supporting the material moving overturning unit 95, and a material moving lifting unit 97 for driving the material moving support seat 96 to lift. The material moving sliding unit 93 is mounted on the material moving transition support 91 and connected with the material moving sliding plate 92. The output end of the material moving overturning unit 95 is connected with the material moving clamping member 94. The material moving lifting unit 97 is mounted on the material moving sliding plate 92 and connected with the material moving support seat 96. Through the material moving sliding unit 93, the material moving sliding plate 92 can be driven to reciprocate on the material moving transition support 91, so that the material moving clamping member 94 can be moved to a position directly above the feeding position. Through the material moving lifting unit 97, the material moving support seat 96 can be driven to lift, so that the material moving clamping member 94 can be lifted. Through the material moving clamping member 94, the stator core 10 at the feeding position can be clamped and fixed, and through the material moving overturning unit 95, the material moving clamping member 94 and the stator core 10 can be overturned by 180 degrees, so that the coil 20 of the stator core 10 can be adjusted in a direction from top to bottom.

[0101] Optionally, the material moving sliding unit 93 can be a pneumatic cylinder, an electric cylinder, a lead screw, a belt transmission mechanism, or a sliding table linear motor. In the present application, the material moving sliding unit 93 can adopt a belt transmission mechanism. The material moving clamping member 94 can be a finger pneumatic cylinder. The material moving overturning unit 95 can be an electric motor. The material moving lifting unit 97 can be a pneumatic cylinder, an electric cylinder, a lead screw, a belt transmission mechanism, or a sliding table linear motor. In the present application, the material moving lifting unit 97 can adopt a pneumatic cylinder transmission mechanism.

[0102] In one embodiment, referring to Figure 13As a specific implementation of the tangent mechanism provided in the embodiments of the present application, the material moving transition assembly 9 further comprises a lower limiting seat 98 arranged at the bottom of the material moving support seat 96 and a material moving elastic member 99 connecting the material moving support seat 96 and the lower limiting seat 98. The material moving elastic member 99 can be a spring. In this structure, the lower limiting seat 98 can cooperate with the machine table 1 or the tangent assembly 100 to resist during the process of driving the material moving support seat 96 to descend by the material moving lifting unit 97, so as to limit the lifting height of the material moving support seat 96. The material moving elastic member 99 can play a role of elastic buffering protection.

[0103] The above only describes optional embodiments 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 tangent mechanism, characterized in that, include: The machine is equipped with a loading position and a cutting position; A material transfer conveyor line, installed on the machine platform, is used to convey a tooling support carrying a stator core, on which a coil is wound. A material lifting assembly is installed at the loading position and located below the material transfer conveyor line to lift the tooling support. A tangent assembly, installed at the tangent position, is used to tangent the coil; The material transfer transition assembly, installed on the machine base, is used to transfer the stator core from the feeding assembly to the tangent assembly, and can rotate the stator core 180 degrees so that the coil of the stator core can be adjusted from top to bottom. The tangent assembly includes: A rotating support base is rotatably mounted on the machine base to support the stator core; A rotary drive unit is mounted on the machine base and connected to the rotary support base for driving the rotary support base to rotate; A tangent support base, wherein the tangent support base has a tangent hole for inserting the protruding end of the coil and a tangent channel communicating with the tangent hole; The cutter body is disposed in the tangential channel; A cutter lateral movement unit is mounted on the tangent support base and connected to the cutter body, used to drive the cutter body to reciprocate through the tangent hole; A cutter lifting unit is installed on the machine base and connected to the tangent support base, used to drive the tangent support base to lift. The coil includes an inner wire row and an outer wire row disposed outside the inner wire row. The inner wire row includes a plurality of inner wire ends arranged in a ring around the circumference of the stator core, and the outer wire row includes a plurality of outer wire ends arranged in a ring around the circumference of the stator core. The plurality of inner wire ends and the plurality of outer wire ends are respectively aligned radially with each other along the stator core. The tangent hole includes an inner wire hole for each inner wire end to pass through and an outer wire hole for the corresponding outer wire end to pass through. The inner wire hole and the outer wire hole are respectively connected to the tangent channel. The rotating support 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 unit is connected to the rotating disk. A wire clamp is mounted on the stator core, and a wire clamp positioning hole is provided on the wire clamp. A support guide rod for inserting into the wire clamp positioning hole is mounted on the support base. The clamping seat includes an upper hoop sleeved on the stator core 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 rotating disk has a semi-circular structure and has a straight section and an arc section. The inner and outer wire rows on the stator core have a fan-shaped structure. Three support bases are arranged in a circumferential ring array along the rotating disk. The two outer support bases are spaced apart along the length of the straight section, and the middle support base is equidistant from the two outer support bases. The tops of the three support bases abut against the bottom of the upper hoop. Support brackets are installed on the two outer support bases, which support both ends of the lower hoop.

2. The tangent mechanism as described in claim 1, characterized in that: The material lifting assembly includes a material lifting bracket mounted on the machine base, a material lifting base slidably mounted on the material lifting bracket in a vertical direction, a lifting drive unit for driving the material lifting base to rise and fall, a material lifting top seat for supporting the tooling support, and a lifting rotation drive component for driving the material lifting top seat to rotate; the lifting drive unit is mounted on the material lifting bracket and connected to the material lifting base, and the lifting rotation drive component is mounted on the material lifting base and connected to the material lifting top seat.

3. The tangent mechanism as described in claim 2, characterized in that: The tooling support has multiple tooling positioning holes; the material lifting support is equipped with multiple material lifting guide rods, which are respectively inserted into the multiple tooling positioning holes.

4. The tangent mechanism as described in claim 1, characterized in that: The tangential support includes a tangential base connected to the output end of the cutter lifting unit, a tangential sliding seat slidably mounted on the tangential base, a tangential base mounted on the tangential sliding seat, and a tangential power unit for driving the tangential sliding seat to reciprocate. The tangential power unit is mounted on the tangential base and connected to the tangential sliding seat. The tangential base is provided with an inner wire hole, an outer wire hole, and a tangential channel. The sliding direction of the tangential sliding seat is the same as the sliding direction of the cutter body.

5. The tangent mechanism as described in claim 1, characterized in that: The cutter body includes a cutter connector and a cutter working body. One end of the cutter connector is detachably connected to the cutter lateral movement unit, 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.

6. The tangent mechanism as described in any one of claims 1-5, characterized in that: The material transfer transition assembly includes a material transfer transition bracket mounted on the machine base, a material transfer sliding plate slidably mounted on the material transfer transition bracket, a material transfer sliding unit for driving the material transfer sliding plate to reciprocate, a material transfer clamping member for clamping the stator core, a material transfer flipping unit for driving the material transfer clamping member to flip, a material transfer support base for supporting the material transfer flipping unit, and a material transfer lifting unit for driving the material transfer support base to rise and fall. The material transfer sliding unit is mounted on the material transfer transition bracket and connected to the material transfer sliding plate. The output end of the material transfer flipping unit is connected to the material transfer clamping member. The material transfer lifting unit is mounted on the material transfer sliding plate and connected to the material transfer support base.

7. The tangent mechanism as described in claim 6, characterized in that: The material transfer transition assembly further includes a lower limit seat located at the bottom of the material transfer support and a material transfer elastic element connecting the material transfer support and the lower limit seat.

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