SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stator winding device aims at solving the technical problem of walking the line height unbalance that tooth portion of stator was wound among the prior art.
The utility model discloses a realize like this, a stator winding device, include:
the fixing mechanism is used for fixing the stator bracket;
the winding mechanism is used for winding the wires on the stator bracket to form a coil winding;
and the wire pressing mechanism comprises a first driving piece and an overturning piece, wherein the first driving piece can drive the overturning piece to rotate in a reciprocating manner, so that the overturning piece presses the coil winding to the stator support.
In one embodiment, the wire pressing mechanism further comprises a supporting member, the overturning member is rotatably connected to the supporting member, and the first driving member is used for driving the overturning member to rotate around a rotation axis of the overturning member.
In one embodiment, the turnover part comprises a wire pressing part and an adapter part, the wire pressing part is rotatably connected to the support part, the adapter part is rotatably connected to the wire pressing part, the first driving part is connected to the adapter part and can drive the adapter part to move so as to drive the wire pressing part to rotate, and the wire pressing part can press the wire in the rotating process.
In one embodiment, the first driving member includes an air cylinder and a sliding block slidably connected to the support member, the adapter is rotatably connected to the sliding block, and the air cylinder can push the sliding block to slide relative to the support member.
In one embodiment, the fixing mechanism includes a fixing seat and a pressing member, the fixing seat is provided with a fixing groove for placing the stator support, the pressing member has a pressing state for pressing the stator support against the groove bottom of the fixing groove and a separation state away from the stator support so as to move the stator support out of the fixing groove, and the pressing member can be switched between the pressing state and the separation state.
In one embodiment, the fixing seat can rotate, and the wire pressing mechanism can circumferentially press the coil winding during the rotation of the fixing seat.
In one embodiment, the pressing piece includes a second driving piece, a fixing lug connected to the fixing seat, and a pressing claw rotatably connected to the fixing lug, the second driving piece can drive the pressing claw to rotate reciprocally with respect to the fixing lug, when the pressing piece is in the pressing state, the pressing claw is located above the fixing lug and abuts against the upper end face of the stator support, and when the pressing piece is in the separating state, the pressing claw avoids the stator support.
In one embodiment, the fixing lug is connected to a side wall of the fixing seat, the pressing claw includes a rotating portion rotatably connected to the fixing lug and a limiting portion connected to an upper end of the rotating portion and extending toward the stator bracket, the limiting portion is configured to abut against an upper end surface of the stator bracket when the pressing member is in the pressing state and to avoid the stator bracket when the pressing member is in the separating state, and the second driving member is capable of driving the rotating portion to rotate.
In one embodiment, the stator winding device further comprises a cutting mechanism capable of cutting the wire.
In one embodiment, the stator winding device further comprises a tensioning mechanism for tensioning the wire between the stator winding device and the winding mechanism.
The utility model discloses technical effect for prior art is: this stator winding device is provided with line pressing mechanism, and when winding mechanism will walk the line winding and locate the stator support and form the coil, first driving piece can drive the upset piece and rotate, presses to coil winding until the upset piece, and coil winding pressfitting forms inseparabler structure between upset piece and stator support this moment to guarantee the highly balanced of the coil winding that each tooth portion wound, the equipment of the later stage motor of being convenient for.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
Referring to fig. 1 and 2, the present invention provides a stator winding device, which includes a frame 10, a fixing mechanism 20, a winding mechanism 30, a wire pressing mechanism 40, a cutting mechanism 50, and a tensioning mechanism 60, wherein the fixing mechanism 20, the winding mechanism 30, the wire pressing mechanism 40, the cutting mechanism 50, and the tensioning mechanism 60 are all connected to the frame 10.
The fixing mechanism 20 is used to fix the stator holder 90. In this embodiment, the stator frame 90 is an inner winding, i.e., the teeth are located inside the yoke.
Referring to fig. 3, the fixing mechanism 20 includes a fixing base 21 and a pressing member 22, the fixing base 21 is cylindrical and is provided with a fixing groove 211 for placing the stator bracket 90, a notch of the fixing groove 211 faces upward, and the stator bracket 90 is placed in the fixing groove 211 and protrudes out of the fixing groove 211 around the routing wire 91 disposed on the stator bracket 90. The outer wall surface of the stator frame 90 is fitted to the groove wall of the fixing groove 211. The pressing member 22 has a pressing state of pressing the stator holder 90 against the groove bottom of the fixing groove 211 and a separated state of being away from the stator holder 90 to move the stator holder 90 out of the fixing groove 211, and the pressing member 22 can be switched between the pressing state and the separated state. When the pressing member 22 is in the pressing state, the pressing member 22 and the fixing seat 21 clamp the stator bracket 90 together to prevent the positioning bracket from shaking or being thrown out of the fixing groove 211, and when the pressing member 22 is in the separating state, the stator bracket 90 can be taken out of the fixing groove 211. Wherein the fixed seat 21 can rotate around its central axis.
Referring to fig. 1 and 2, the winding mechanism 30 is used for winding the trace 91 on the stator frame 90 to form a coil winding. That is, the winding mechanism 30 can wind the traces 91 around the teeth of the stator frame 90 to form the coil windings.
Referring to fig. 2, specifically, the winding mechanism 30 includes a moving platform 31 and a nozzle 32 connected to the moving platform 31 and penetrated by the trace 91, and the moving platform 31 can drive the nozzle 32 to perform two-axis motions in the Y-axis direction and the Z-axis direction, or three-axis motions in the X-axis direction, the Y-axis direction and the Z-axis direction, so as to wind the trace 91 around the stator support 90. When moving platform 31 drives nozzle 32 to perform two-axis motion, fixing base 21 realizes the winding of wire 91 through reciprocating rotation, and when square moving platform 31 performs three-axis motion, fixing base 21 can be stationary, and moving platform 31 drives nozzle 32 to perform circular motion, so as to realize the winding of wire 91.
Referring to fig. 2, the tensioning mechanism 60 is used for tensioning the wire 91 between the wire winding mechanism 30 and the wire winding mechanism 60. And more particularly, to tension the routing 91 between the nozzle 32 and the stator frame 90 so that the coil windings wound on the stator frame 90 can be arranged compactly.
Referring to fig. 3, the wire pressing mechanism 40 includes a first driving member 42 and an overturning member 41, and the first driving member 42 can drive the overturning member 41 to rotate reciprocally, so that the overturning member 41 presses the wire 91 against the stator bracket 90. That is, the first driving member 42 can drive the reversing member 41 to rotate so that the stator bracket 90 and the reversing member 41 commonly clamp the routing wire 91.
This stator winding device is provided with wire pressing mechanism 40, and when wire winding mechanism 30 will walk line 91 around locating stator support 90 and forming the coil, first driving piece 42 can drive upset 41 and rotate, until upset 41 presses to the coil winding, and the coil winding pressfitting forms inseparabler structure between upset 41 and stator support 90 this moment to guarantee the highly balanced of the coil winding that each tooth portion wound, the equipment of the later stage motor of being convenient for.
Referring to fig. 3, specifically, the pressing member 22 includes a second driving member 223, a fixing lug 221 connected to the fixing base 21, and a pressing claw 222 rotatably connected to the fixing lug 221, the second driving member 223 can drive the pressing claw 222 to rotate reciprocally relative to the fixing lug 221, when the pressing member 22 is in a pressing state, the pressing claw 222 is located above the fixing lug 221 and abuts against the upper end surface of the stator support 90, and when the pressing member 22 is in a separating state, the pressing claw 222 is retracted from the stator support 90. Specifically, the fixing lug 221 is connected to the middle portion of the outer side wall of the fixing base 21 and extends outward, the pressing claw 222 is in a long strip shape, and the middle portion of the pressing claw is rotatably connected to the fixing lug 221, at this time, the fixing base 21 limits the rotation of the pressing claw 222, the fixing lug 221 provides a rotation allowance for the rotation of the pressing claw 222, and simultaneously, the pressing claw 222 is supported, and the second driving member 223 drives the pressing claw 222 to rotate so that the pressing structure is switched between a pressing state and a separating state.
Referring to fig. 3, the fixing lug 221 is connected to a side wall of the fixing base 21, the pressing claw 222 includes a rotating portion 2221 rotatably connected to the fixing lug 221 and a limiting portion 2222 connected to an upper end of the rotating portion 2221 and extending toward the stator support 90, the limiting portion 2222 is configured to abut against an upper end surface of the stator support 90 when the pressing member 22 is in the pressing state and to avoid the stator support 90 when the pressing member 22 is in the separating state, and the second driving member 223 can drive the rotating portion 2221 to rotate. When the limiting portion 2222 abuts against the upper end face of the stator support 90, the rotating portion 2221 is basically in a vertical state, at this time, the rotating direction of the limiting portion 2222 is in a horizontal direction, and the stator support 90 can only move in the vertical direction due to the limiting effect of the positioning groove, so that when the limiting portion 2222 abuts against the upper end face of the stator support 90, the movement in the vertical direction of the stator support 90 is limited, the limiting portion 2222 has an inertia effect of pressing down towards the positioning support due to the self-gravity effect, and therefore the stator support cannot be turned over reversely, so that under the condition that external force is not required to be applied to the pressing claw 222, the positioning of the stator support 90 is realized, and the energy consumption is saved. The second driving member 223 may be the cylinder 421, when the stator support 90 needs to be removed, the second driving member 223 pushes the lower end of the rotating portion 2221, so that the upper end of the rotating portion 2221 rotates reversely and drives the limiting portion 2222 to be away from the stator support 90, and when the stator support 90 is wound, the second driving member 223 may be separated from the rotating portion 2221. The position-limiting portion 2222 has a Y-shape to increase a contact area with the stator holder 90.
When the fixed seat 21 rotates, the wire pressing mechanism 40 can circumferentially press the coil winding during the rotation of the fixed seat 21. That is to say, the wire pressing mechanism 40 can be located inconveniently, and at this time, the first driving member 42 can sequentially press different positions of the coil windings in the circumferential direction by driving the overturning member 41 to rotate back and forth, so that the whole coil windings have a compact structure, and the height balance of the coil windings is further ensured. Specifically, the fixed seat 21 is driven by the third driving member 70 to rotate.
Referring to fig. 4, in order to improve the reliability of the wire pressing mechanism 40, the wire pressing mechanism 40 further includes a supporting member 43, the turning member 41 is rotatably connected to the supporting member 43, and the first driving member 42 is used for driving the turning member 41 to rotate around its rotation axis. Specifically, the middle portion of the flip 41 is rotatably connected to the supporting member 43, the supporting member 43 supports the flip 41, and the first driving member 42 can drive one end of the flip 41 to move circumferentially to rotate the flip 41, so that the other end of the flip 41 can be pressed against the coil winding.
Referring to fig. 4, specifically, the flipping unit 41 includes a wire pressing portion 411 rotatably connected to the supporting unit 43 and an adaptor portion 412 rotatably connected to the wire pressing portion 411, the first driving unit 42 is connected to the adaptor portion 412 and can drive the adaptor portion 412 to move so as to drive the wire pressing portion 411 to rotate, and the wire pressing portion 411 can press the trace 91 during the rotation process. Wherein, line ball portion 411 is including the second connecting portion 4112 that is the first connecting portion of Z style of calligraphy 4111 and L type, first connecting portion are used for pressing the last horizontal pole that presses the end that walks 91 and is located Z style of calligraphy 4111, first connecting portion are used for the sheer pole that is Z style of calligraphy 4111 with second connecting portion 4112 is connected, wherein, support piece 43 rotates and connects in the corner of second connecting portion 4112, the sheer pole of line ball portion 411 is connected in a limit of second connecting portion 4112, first driving piece 42 can drive another limit portion circular motion of second connecting portion 4112, in order to make last horizontal pole press and walk line 91. This reduces the overall height of the wire pressing mechanism 40, which is advantageous for saving space while increasing the gravity for pressing the portion of the wire 91, and saves the energy consumption of the first driving member 42. The first driving member 42 can drive the joint of the first driving member and the adapting portion 412 to move along a straight line, and the adapting portion 412 can rotate by itself to realize the circular motion of the joint of the crimping portion 411 and the adapting portion 412, so that the circular motion of the turnover part 41 is realized.
Referring to fig. 4, the first driving member 42 includes an air cylinder 421 and a sliding block 422 slidably connected to the supporting member 43, the adapting portion 412 is rotatably connected to the sliding block 422, and the air cylinder 421 can push the sliding block 422 to slide relative to the supporting member 43. The slider 422 can restrict the shaking of the turnover 41 by sliding contact with the support 43. Specifically, the backup pad is equipped with two and the interval sets up, and slider 422 is located between two backup pads, and two backup pads have played further limiting displacement to slider 422.
The cutting mechanism 50 is used to cut the trace 91. It will be appreciated that after the winding mechanism 30 completes winding, the cutting mechanism 50 cuts the wire 91 to facilitate the next winding action of the stator frame 90 by the winding mechanism 30.
The foregoing is only a preferred embodiment of the present invention, and the technical principles of the present invention have been specifically described, and the description is only for the purpose of explaining the principles of the present invention, and should not be construed as limiting the scope of the present invention in any way. Any modifications, equivalents and improvements made within the spirit and principles of the invention and other embodiments of the invention without the creative effort of those skilled in the art are intended to be included within the protection scope of the invention.