CN215120481U

CN215120481U - Coil external support shaping device of motor laminated stator

Info

Publication number: CN215120481U
Application number: CN202120904957.4U
Authority: CN
Inventors: 肖创春; 周琦剑; 周海军; 章周欢; 陈健
Original assignee: Roshow New Energy Technology Co ltd
Current assignee: Roshow New Energy Technology Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-12-10
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses a coil external support shaping device of a motor laminated stator, which comprises a bottom plate, a top plate, a movable plate and a pressing external support mechanism for shaping the coil of the motor laminated stator, wherein a linear shaft is arranged between the bottom plate and the top plate, and the movable plate is positioned between the top plate and the floor and is in sliding connection with the linear shaft; the bottom plate is provided with a supporting ring for placing the stator lamination; a pull rod cylinder is arranged on the top plate; a pressing block for pressing the stator lamination is arranged on the bottom surface of the moving plate; the upper surface of the moving plate is provided with a mounting seat, a piston shaft of the pull rod cylinder penetrates through the top plate and is fixedly connected with the mounting seat, and a thin cylinder is arranged in the mounting seat; the pressing external support mechanism is positioned between the top plate and the bottom plate, and a piston rod of the thin cylinder is connected with the pressing external support mechanism. The utility model discloses novel structure is compact, can reduce intensity of labour, improves production efficiency, and the plastic is effectual.

Description

Coil external support shaping device of motor laminated stator

Technical Field

The utility model belongs to the technical field of motor stator lamination assembly technique and specifically relates to a shaping device is propped outward to motor stator's coil.

Background

The laminated stator in the existing new energy automobile motor comprises a cylindrical stator core formed by overlapping a plurality of stator laminations, an inner hole is formed in the center of the stator core, a plurality of stator teeth used for winding wires are arranged on the inner wall of the stator core at intervals along the circumferential direction, and a stator slot (or called winding slot) which runs through the stator core along the thickness direction of the stator core is formed between every two adjacent stator teeth.

After the winding forms the coil winding on the stator tooth, because on the stator tooth along comparatively loose can block up the stator slot notch between the radial ascending wire of stator core, lead to unable insert the insulating piece in the stator slot so that the coil on the adjacent stator tooth is kept apart through the stator slot notch.

At present, a special tool is manually adopted to knock a coil positioned at the notch position of a stator slot towards the bottom direction of the stator slot so as to tightly press a winding in the coil, thereby exposing the notch of the stator slot.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve the above-mentioned problem that prior art's motor lamination stator's coil extrusion plastic method exists, provide a novel structure compactness, can reduce intensity of labour, improve production efficiency, and the effectual coil of motor lamination stator of plastic props shaping device outward.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model discloses a coil external support shaping device of motor lamination stator, including bottom plate, roof, movable plate and being used for carrying out the external support mechanism of pushing down of plastic to the coil of motor lamination stator, be equipped with the straight line axle between bottom plate and the roof, the movable plate is located between roof and the floor and with straight line axle sliding connection; the bottom plate is provided with a supporting ring for placing the stator lamination; a pull rod cylinder is arranged on the top plate; a pressing block for pressing the stator lamination is arranged on the bottom surface of the moving plate; the upper surface of the moving plate is provided with a mounting seat, a piston shaft of the pull rod cylinder penetrates through the top plate and is fixedly connected with the mounting seat, and a thin cylinder is arranged in the mounting seat; the pressing external support mechanism is positioned between the top plate and the bottom plate, and a piston rod of the thin cylinder is connected with the pressing external support mechanism. The utility model provides a motor lamination stator's coil props shaping device outward, pull rod cylinder can drive the movable plate oscilaltion, so that the briquetting will place the motor lamination stator on the bottom plate and compress tightly fixedly, during the use, place motor lamination stator steadily on the bottom plate earlier, make the movable plate descend again, make to push down in the outer iron core that props the mechanism and stretch into motor lamination stator down, the slim cylinder of rethread acts on and pushes down outer mechanism and in order to carry out the plastic to motor lamination stator's coil, make the piston rod shrink of slim cylinder after the plastic, treat to push down the back that outer mechanism resets, make pull rod cylinder's piston rod shrink again, mention the movable plate upwards, make to push down to prop the mechanism outward and withdraw from in motor lamination stator's the iron core, and is very convenient to use, can reduce intensity of labour, and improve production efficiency, and the plastic is effectual.

Preferably, the downward pressing outer support mechanism comprises an outer support guide cylinder, outer support plates and a lifting shaft, the outer support guide cylinder is vertically communicated, the upper end of the outer support guide cylinder is fixedly connected with the bottom surface of the movable plate, a plurality of outer support plate translation grooves are formed in the lower portion of the outer wall surface of the outer support guide cylinder at intervals along the circumferential direction, and the outer support plate translation grooves are open grooves with openings at the bottoms; the upper end of the lifting shaft is fixedly connected with a piston rod of the thin cylinder, an outer supporting cone is fixed on the lifting shaft, the outer side surface of the lower part of the outer supporting cone is an outer conical surface, the upper part of the outer supporting cone is inwards concave to form an inner conical surface, and the inner conical surface and the outer conical surface are parallel to each other; the outer supporting plate translation inslot is equipped with outer supporting plate, the length of outer supporting plate is less than the length in outer supporting plate translation groove, be equipped with on the outer supporting plate with prop the direction breach of cone surface shape looks adaptation outward, the outer supporting plate is hung through the direction breach and is put on the outer cone that props, be equipped with the lift axle on the bottom plate and dodge the hole.

The utility model discloses in, the lift axle can the oscilaltion under the effect of slim cylinder to drive the synchronous lift of outer strut centrum, the quantity in outer strut board translation groove, the quantity of position and motor lamination stator on stator, the position is corresponding, outer strut board hangs through the direction breach and puts on the outer strut cone, when the outer strut centrum descends, the synchronous outer strut board that drives moves down, when waiting for the outer strut board to move to the bottom plate, outer strut board lower extreme receives the hindrance of bottom plate and can't continue the downstream, and the lift axle passes the lift axle and dodges the hole and continue the downstream, the outer strut centrum continues the downstream this moment, and act on outer strut board through the outer conical surface, thereby make outer inner bracing plate along outer strut board translation groove outward translation get into the winding in the stator inslot pressure tight stator groove circle, reach the purpose of plastic; after shaping, the lifting shaft drives the outer supporting cone body to move upwards, the outer supporting plate is lifted upwards by the outer supporting cone body through the guide gap, and the outer supporting plate can be withdrawn from the stator slot for resetting. The utility model has the advantages that the outer support (outer expansion) of the outer support plate is utilized to shape the winding in the coil in the stator slot through the mutual matching of the outer support guide cylinder, the outer support cone, the outer support plate and other structures, the use is convenient, the winding stress is synchronous and uniform, and the shaping effect is good; the outer supporting plate translation groove plays a role in guiding and limiting, so that the outer supporting plate can be kept stable and accurate when moving.

Preferably, the pressing blocks are two arc-shaped block bodies which are arranged oppositely, the upper part of the outer support guide cylinder is positioned in an area formed by the two pressing blocks in a surrounding mode, a gap is reserved between the outer support guide cylinder and the pressing blocks, the lower part of the outer support guide cylinder is positioned in the supporting ring, and a gap is reserved between the outer support guide cylinder and the supporting ring.

As preferred, the lower extreme of lift axle is equipped with the base, be equipped with spacing boss on the base, the lift axle passes base and spacing boss, and lift axle and base, spacing boss sliding fit are equipped with the line ball board on the step face between base and the spacing boss, the bottom surface that the guide cylinder is located outer fagging translation groove both sides is fixed with spacing picture peg outward, form the breach between spacing picture peg and the outer guide cylinder that props, the position department that corresponds with spacing picture peg on the line ball board is equipped with spacing slot, spacing picture peg and spacing slot looks adaptation, base, line ball board and the outer fastening nut that props the guide cylinder through the lift axle lower extreme tightly as an organic whole. Spacing slot and spacing picture peg cooperation play spacing, stable effect, can prevent to be located the outer guide cylinder that props of outer fagging translation groove both sides and take place to warp, influence the stability and the accuracy that outer fagging removed.

Preferably, a baffle ring is fixed at the upper part in the outer support guide cylinder, the outer support plate translation groove is positioned at the lower side of the baffle ring, and the outer support cone is positioned in the outer support guide cylinder below the baffle ring.

Preferably, the outer supporting cone comprises an upper outer supporting cone and a lower outer supporting cone, the upper outer supporting cone is positioned above the lower outer supporting cone, and the upper outer supporting cone, the lower outer supporting cone and the lifting shaft are coaxially arranged.

Preferably, a piston rod of the thin cylinder is connected with a connecting plate, the connecting plate is located above the moving plate, a connecting flange is fixed at the upper end of the lifting shaft, the connecting flange is fixedly connected with the connecting plate through a connecting rod penetrating through the moving plate, and the connecting rod is in sliding fit with the moving plate.

Preferably, the mounting base comprises a cylinder connecting plate and supporting columns fixed on two sides of the bottom surface of each supporting column, the thin cylinder is fixed on the bottom surface of the cylinder connecting plate, and a piston rod of the pull rod cylinder is fixedly connected with the top surface of the cylinder connecting plate.

Preferably, the supporting ring is provided with a positioning block, and the positioning block is provided with a positioning convex rib. The motor laminated stator is provided with the positioning groove, and the positioning convex ribs are matched with the positioning groove, so that the motor laminated stator can be accurately positioned, and the outer supporting plate can accurately enter the stator groove.

Preferably, circular flange linear bearings are arranged at four corner positions of the moving plate, and the linear shafts penetrate through the circular flange linear bearings.

Therefore, the utility model discloses following beneficial effect has:

(1) through the matching among the pull rod cylinder, the thin cylinder, the pressing external support mechanism and other structures, the coil of the motor lamination stator can be automatically shaped, the use is very convenient, the labor intensity can be reduced, and the production efficiency can be improved;

(2) the specific structure of the pressing outer support mechanism is limited, the outer support plate is stable and accurate when moving, the winding stress is synchronous and uniform, and the shaping effect is good.

Drawings

Fig. 1 is an axial view of the present invention.

Fig. 2 is an axial view of the middle pressing external support mechanism of the present invention.

Fig. 3 is an exploded view of fig. 2.

Fig. 4 is a front view of fig. 2.

Fig. 5 is a sectional view in the direction of fig. 4A-a.

Fig. 6 is an axial view of the outer plate.

Fig. 7 is a front view of the outer support guide cylinder.

Fig. 8 is a sectional view in the direction of fig. 7B-B.

Fig. 9 is a sectional view of the outer support mechanism pressed downward.

A sectional top view.

In the figure: the device comprises a bottom plate 1, a top plate 2, a moving plate 3, a linear shaft 4, a supporting ring 5, a pull rod air cylinder 6, a pressing block 7, a thin air cylinder 8, an outer support guide cylinder 9, a lifting shaft 10, an outer support plate translation groove 11, an outer conical surface 12, an inner conical surface 13, an outer support plate 14, a guide notch 15, a base 16, a limit boss 17, a pressing plate 18, a limit inserting plate 19, a guide notch 20, a limit inserting groove 21, a fastening nut 22, a lifting shaft avoiding hole 23, a baffle ring 24, an upper outer support cone 25, a lower outer support cone 26, a connecting plate 27, a connecting flange 28, an air cylinder connecting plate 29, a supporting column 30, a positioning block 31, a circular flange linear bearing 32 and a connecting rod 33.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

The coil external support shaping device of the motor laminated stator shown in fig. 1 comprises a bottom plate 1, a top plate 2, a moving plate 3 and a downward pressing external support mechanism for shaping a coil of the motor laminated stator, wherein a linear shaft 4 is fixed between the bottom plate and the top plate, the moving plate is positioned between the top plate and the floor, circular flange linear bearings 32 are installed at four corner positions of the moving plate, and the linear shaft penetrates through the circular flange linear bearings to be in sliding connection with the moving plate; a supporting ring 5 for placing stator laminations is fixed on the bottom plate, and a step surface for placing a stator is fixed on the supporting ring; a positioning block 31 is fixed on the upper end face of the supporting ring, and a positioning convex rib (not shown) is fixed on the inner side face of the positioning block; a pull rod cylinder 6 is arranged on the top plate; the upper surface of the moving plate is provided with an installation seat, the installation seat comprises a cylinder connecting plate 28 and supporting columns 30 fixed on two sides of the bottom surface of the supporting column, a thin cylinder 8 is fixed on the bottom surface of the cylinder connecting plate, and a piston rod of a pull rod cylinder is fixedly connected with the top surface of the cylinder connecting plate; the downward pressing external support mechanism is positioned between the top plate and the bottom plate and comprises an external support guide cylinder 9 and a lifting shaft 10 (shown in figures 2, 3, 4 and 5), the external support guide cylinder is vertically communicated, the upper end of the external support guide cylinder is fixedly connected with the bottom surface of the movable plate, a retaining ring 24 (shown in figure 8) is fixed at the upper part in the external support guide cylinder, a plurality of external support plate translation grooves 11 are circumferentially arranged on the outer wall surface of the external support guide cylinder, which is positioned on the lower side of the retaining ring, and the external support plate translation grooves are open grooves with openings at the bottom; the upper end of the lifting shaft is fixedly connected with a piston rod of the thin cylinder, an outer supporting cone is fixed on the lifting shaft, the outer supporting cone is positioned in an outer supporting guide cylinder below the retaining ring, the outer supporting cone comprises an upper outer supporting cone 25 and a lower outer supporting cone 26, the upper outer supporting cone is positioned above the lower outer supporting cone, the upper outer supporting cone, the lower outer supporting cone and the lifting shaft are coaxially arranged, the outer side surfaces of the lower parts of the upper outer supporting cone and the lower outer supporting cone are set to be outer conical surfaces 12, inner conical surfaces 13 are formed on the upper parts of the upper outer supporting cone and the lower outer supporting cone in a concave mode, and the inner conical surfaces and the outer conical surfaces are parallel to each other; an outer support plate 14 is arranged in the outer support plate translation groove, the length of the outer support plate is smaller than that of the outer support plate translation groove, a guide notch 15 (shown in figure 6) matched with the surface shape of the outer support cone is arranged on the outer support plate, and the outer support plate is hung on the outer support cone through the guide notch; the piston rod of the thin cylinder is connected with a connecting plate 27, the connecting plate is positioned above the movable plate, the upper end of the lifting shaft is fixed with a connecting flange 28, the connecting flange is fixedly connected with the connecting plate through a connecting rod 33 which passes through the movable plate, the connecting rod is in sliding fit with the movable plate, the lower end of the lifting shaft is provided with a base 16, the base is provided with a limit boss 17, the lifting shaft passes through the base and the limit boss, the lifting shaft is in sliding fit with the base and the limit boss, a wire pressing plate 18 is arranged on the step surface between the base and the limit boss, the bottom surfaces of the outer support guide cylinder, which are positioned at the two sides of the outer support plate translation groove, are fixed with limit inserting plates 19 (shown in figure 7), a gap 20 is formed between the limit inserting plates and the outer support guide cylinder, limit inserting grooves 21 are arranged at the positions on the wire pressing plate corresponding to the limit inserting grooves, the limit inserting plates are matched with the limit inserting grooves, and the base, the wire pressing plates and the outer support guide cylinder are fastened into a whole through fastening nuts 22 at the lower end of the lifting shaft, a pressing block 7 for pressing the stator lamination is fixed on the bottom surface of the moving plate, and the pressing block is two arc-shaped block bodies which are oppositely arranged; the upper portion of the outer supporting guide cylinder is located in an area formed by the two pressing blocks in a surrounding mode, a gap is reserved between the outer supporting guide cylinder and the pressing blocks, the lower portion of the outer supporting guide cylinder is located in the supporting ring, a gap is reserved between the outer supporting guide cylinder and the supporting ring, and the bottom plate is provided with a lifting shaft avoiding hole 23.

The utility model discloses a use method does: before use, after a positioning groove on a motor lamination stator is aligned with a positioning convex rib on a positioning block, the motor lamination stator is placed on a step surface on a bottom plate, after the motor lamination stator is stably placed, a pull rod cylinder is started to enable a moving plate to move downwards, an outer support guide cylinder is downwards inserted into the motor lamination stator until a pressing block presses the motor lamination stator, a thin cylinder is started to enable a lifting shaft to move downwards, the lifting shaft synchronously drives an outer support plate to move downwards along an outer support plate translation groove in the descending process, the outer support plate cannot move downwards continuously after a base and the bottom plate are blocked and interfered, the lifting shaft passes through a lifting shaft avoidance hole to continue moving downwards, at the moment, an outer support cone continues moving downwards and acts on an outer support plate through an outer conical surface to enable the outer support plate to translate outwards along the outer support plate translation groove (as shown in figure 9), and enters a winding in a stator groove ring pressed in the stator groove, the purpose of shaping is achieved; after shaping, the thin cylinder is started, the lifting shaft drives the outer supporting cone to move upwards, the outer supporting plate is lifted upwards by the outer supporting cone through the guide notch, and after the outer supporting plate retreats from the stator slot and resets, the pull rod cylinder is started to move the movable plate upwards, so that the outer supporting guide cylinder retreats from the motor lamination stator.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.

Claims

1. The coil external support shaping device of the motor laminated stator is characterized by comprising a bottom plate (1), a top plate (2), a moving plate (3) and a pressing external support mechanism for shaping coils of the motor laminated stator, wherein a linear shaft (4) is arranged between the bottom plate and the top plate, and the moving plate is positioned between the top plate and the floor and is in sliding connection with the linear shaft; the bottom plate is provided with a supporting ring (5) for placing the stator lamination; a pull rod cylinder (6) is arranged on the top plate; a pressing block (7) for pressing the stator lamination is arranged on the bottom surface of the moving plate; the upper surface of the moving plate is provided with a mounting seat, a piston shaft of the pull rod cylinder penetrates through the top plate and is fixedly connected with the mounting seat, and a thin cylinder (8) is arranged in the mounting seat; the pressing external support mechanism is positioned between the top plate and the bottom plate, and a piston rod of the thin cylinder is connected with the pressing external support mechanism.

2. The coil external support shaping device of the motor lamination stator as claimed in claim 1, wherein the pressing external support mechanism comprises an external support guide cylinder (9) and a lifting shaft (10), the external support guide cylinder is vertically penetrated, the upper end of the external support guide cylinder is fixedly connected with the bottom surface of the moving plate, a plurality of external support plate translation grooves (11) are circumferentially arranged at intervals at the lower part of the outer wall surface of the external support guide cylinder, and the external support plate translation grooves are open grooves with open bottoms; the upper end of the lifting shaft is fixedly connected with a piston rod of the thin cylinder, an outer supporting cone is fixed on the lifting shaft, an outer conical surface (12) is arranged on the outer side surface of the lower portion of the outer supporting cone, an inner conical surface (13) is formed by inwards concave the upper portion of the outer supporting cone, and the inner conical surface and the outer conical surface are parallel to each other; the outer supporting plate translation inslot is equipped with outer supporting plate (14), the length of outer supporting plate is less than the length in outer supporting plate translation groove, is equipped with on the outer supporting plate with prop guide notch (15) of cone surface shape looks adaptation outward, the outer supporting plate is hung through guide notch and is put on the outer cone that props outward, be equipped with on the bottom plate lift axle and dodge hole (23).

3. The coil outer support shaping device of the laminated stator of the motor as claimed in claim 2, wherein the pressing blocks are two arc-shaped block bodies arranged oppositely, the upper portion of the outer support guide cylinder is located in the region formed by the two pressing blocks, a gap is left between the outer support guide cylinder and the pressing block, the lower portion of the outer support guide cylinder is located in the support ring, and a gap is left between the outer support guide cylinder and the support ring.

4. The coil external-support shaping device of the motor lamination stator as claimed in claim 2, wherein the lower end of the lifting shaft is provided with a base (16), the base is provided with a limit boss (17), the lifting shaft passes through the base and the limit boss, the lifting shaft is in sliding fit with the base and the limit boss, a wire pressing plate (18) is arranged on a step surface between the base and the limit boss, a limit inserting plate (19) is fixed on the bottom surface of the external-support guide cylinder positioned at two sides of the translation groove of the external-support plate, a gap (20) is formed between the limit inserting plate and the external-support guide cylinder, a limit inserting groove (21) is arranged at a position on the wire pressing plate corresponding to the limit inserting plate, the limit inserting plate is matched with the limit inserting groove, and the base, the wire pressing plate and the external-support guide cylinder are fastened into a whole through a fastening nut (22) at the lower end of the lifting shaft.

5. The coil outer stay shaping device of the laminated stator of an electric motor according to claim 2, wherein a stopper ring (24) is fixed to an upper portion inside the outer stay guide cylinder, the outer stay translation groove is located at a lower side of the stopper ring, and the outer stay cone is located inside the outer stay guide cylinder below the stopper ring.

6. The winding overhang shaping device of the laminated stator of an electric motor according to claim 2 or 5, wherein the overhang cone comprises an upper overhang cone (25) and a lower overhang cone (26), the upper overhang cone is located above the lower overhang cone, and the upper overhang cone, the lower overhang cone and the lifting shaft are coaxially disposed.

7. The winding overhang shaping device of the laminated stator of an electric motor according to claim 2, wherein the piston rod of the thin cylinder is connected with a connecting plate (27) which is located above the moving plate, the upper end of the lifting shaft is fixed with a connecting flange (28), the connecting flange and the connecting plate are fixedly connected through a connecting rod (33) penetrating through the moving plate, and the connecting rod is in sliding fit with the moving plate.

8. The winding brace shaping device of the laminated stator of the motor according to claim 1, wherein the mounting seat comprises a cylinder connecting plate (29) and supporting columns (30) fixed on both sides of the bottom surface of the supporting columns, the thin cylinder is fixed on the bottom surface of the cylinder connecting plate, and the piston rod of the pull rod cylinder is fixedly connected with the top surface of the cylinder connecting plate.

9. The coil outer support shaping device of the laminated stator of the motor according to claim 1, wherein the supporting ring is provided with a positioning block (31), and the positioning block is provided with a positioning convex rib.

10. The winding brace shaping device of a laminated stator of an electric motor according to claim 1, wherein circular flange linear bearings (32) are provided at four corner positions of the moving plate, and the linear shaft passes through the circular flange linear bearings.