CN207691642U - What a kind of motor stator core rushed lamination manages welding tooling - Google Patents

Abstract

The utility model relates to a welding tool for aligning and welding laminations of a stator core of a motor, and relates to a tool. The stator core welding of series motors generally adopts mandrel positioning. There is a problem that the inner and outer diameters of the stator core after welding are hairy, and the notch is not straight. The utility model comprises a tooling base plate, an inner hole aligning die for aligning the inner holes of the stator iron core punching laminations, a notch aligning die for aligning the slots of the stator iron core punching laminations arranged on the tooling base plate, The pressing mechanism is used to realize the alignment action of the inner hole alignment die and the slot alignment die. This technical solution realizes the straightening of the inner holes and slots of the stator core punching laminations by the inner hole alignment die and the slot alignment die through the pressing mechanism, which can effectively improve the alignment speed and quality of the stator core punching laminations , thereby improving the welding quality and effectively improving the overall quality of the stator core.

Description

A sorting and welding tool for stamping laminations of motor stator core

technical field

The invention relates to a tool, in particular to a tool for aligning and welding the iron core of a motor stator.

Background technique

For a long time, the stator core welding of series motors generally adopts mandrel positioning. There is a problem that the inner and outer diameter of the welded stator core is rough, the notch is not straight, and the enameled wire is easy to be damaged when it is off the assembly line, and the casing is easy to expand and crack.

Contents of the invention

The technical problem to be solved and the technical task proposed by the present invention are to improve and improve the existing technical solutions, and to provide a welding tool for aligning and welding the stamped laminations of the stator iron core of the motor, so as to improve the aligning and welding of the stator iron core laminations. The purpose of welding quality. For this reason, the present invention takes the following technical solutions.

A tool for aligning and welding stator iron core punching laminations of a motor, including a tooling base plate, an inner hole aligning die for aligning the inner holes of stator iron core punching laminations, and an inner hole aligning die for aligning stator iron cores arranged on the tooling base plate The notch aligning die for punching the notch of the laminated sheet, and the pressing mechanism used to realize the aligning action of the inner hole aligning die and the notch aligning die. Through the pressing mechanism, the inner hole alignment die and the slot alignment die can align the inner holes and slots of the stator core punching laminations, which can effectively improve the alignment speed and quality of the stator core punching laminations, thereby improving The welding quality can effectively improve the overall quality of the stator core.

As a further improvement and supplement to the above technical solutions, the present invention also includes the following additional technical features.

The inner hole trimming mold includes a vertically movable inner hole trimming core and several symmetrically arranged inner hole trimming sleeves arranged outside the inner hole trimming core, the inner hole trimming core and the inner hole The neat expansion sleeve is matched by the upper, lower and lower tapered surfaces, and the inner hole neat expansion core is provided with a vertical central axis hole; the notch neat mold includes two symmetrical holes arranged on both sides of the inner hole neat mold. Ground alignment module, the alignment module on each side includes a vertically movable notch alignment core and two horizontally movable notch alignment sleeves arranged on both sides of the slot alignment core. The notch neatly expanded core and the notch neatly expanded sleeves on both sides are matched by the upper and lower tapered surfaces, and the top surface of each notch neatly expanded core is provided with a blind hole for placing elastic parts; the said The center of the tooling bottom plate is provided with a through hole, and the pressing mechanism includes a pull screw passing through the center through hole of the tooling bottom plate and the hole of the inner hole neatly expanding the mandrel, and a pull screw that is arranged on the top of the inner hole neatly expanding core and connected with the top of the pulling screw. The tension and compression plate, the elastic part arranged in the blind hole on the top surface of the neatly expanded core of the notch. The tension and compression plate is moved down by pulling down the pull screw, and the tension and compression plate presses the notch to expand the core downward through the elastic piece, and through the cooperation of the taper surface, the notch and the core expand to press the notch on both sides to move horizontally to both sides. Align the slots of the stamped laminations of the stator core, the tension and compression plate continues to press down, the elastic part is compressed into the blind hole, the tension and compression plate presses the inner hole to expand the core and moves downward, and through the cooperation of the tapered surface, the inner hole expands the core neatly The inner holes on both sides are neatly expanded and the sleeves are moved horizontally to both sides to realize the alignment of the inner holes of the stamped laminations of the stator core.

The bottom plate of the tooling is provided with slide rails for horizontally moving the inner hole neatly expanded sleeve and the slot neatly expanded sleeve, and the bottom of the inner hole neatly expanded sleeve and the notch neatly expanded sleeve is equipped with a slide rail that matches the slide rail. of the chute. Through the cooperation of the slide rail and the chute, the directional movement is conveniently realized when the inner hole neat expansion sleeve and the notch neat expansion sleeve are vertically pressed.

The lower part of the notch neatly expanding sleeve protrudes from the outer step base, the bottom of the inner hole neatly expanding sleeve is provided with an inner step that is slidingly matched with the outer step base, and the inner hole neatly expanding sleeve There is an outer step protruding from the lower part of the tooling base plate, and the limit pressure sleeve is provided with an inner step, and the inner step of the limit pressure sleeve presses the inner hole of the neatly expanded sleeve. Outer step and achieve a slip fit. Through the sliding fit between the steps, the vertical movement of the notch neat expansion sleeve and the inner hole neat expansion sleeve is prevented, and only horizontal movement is allowed.

The space-limiting pressure sleeve and the tooling base plate are connected and fixed by the hexagon socket bolts from bottom to top. The hexagon socket bolt connection from bottom to top reduces the step thickness of the limit pressure sleeve, and only needs to be threaded to fix the thickness, and the tail handle of the hexagon socket bolt can sink into the counterbore of the tooling bottom plate, effectively reducing the size and weight of the parts.

A welding backing plate for placing the stamped stator core laminations is provided above the limiting pressure sleeve, and a detachable plate is provided above the welding backing plate to prevent the stator core laminations from loosening during welding. Welded platen. The welding backing plate is convenient for placing the stator core laminations. After placing the stator core laminations, press the welding pressure plate cover on the top of the stator core laminations. When aligning and welding, the stator core laminations will not It will be separated upwards, which is convenient for aligning and welding the stator core laminations.

Vertical slide rail grooves are arranged on both sides of the neatly expanding core in the inner hole, and the neatly expanding core with the notch is set in the slide rail groove so that it can slide up and down. Through the groove structure of the slide rail, it is convenient to realize the vertical sliding of the neatly expanded core in the notch relative to the neatly expanded core in the inner hole.

The inner two corners of the slide rail groove are provided with vertically penetrating anti-loosening slots, and the same position as the anti-loosening slots on the described notch is neatly expanded. Slip-fit anti-slip vertical rail. Through the cooperation of the anti-off slot hole and the anti-off vertical rail, the lateral movement of the neatly expanded core of the notch is prevented, and the vertical movement of the neatly expanded core of the notch is realized.

The anti-off slot holes are arc holes, and the anti-off vertical rails are arc column rails. The arc hole structure is easy to process.

The center of the lower end of the pull screw is provided with an internal thread interface. The inner thread interface at the center of the lower end of the pulling screw is convenient to connect with the threaded shaft ends of various power devices including oil cylinders, cylinders, motors, etc., so as to realize automatic pulling and pressing to align the stator core and punch laminations.

The bottom chute of the inner hole and the notch neat expansion sleeve is a lateral through groove. The through groove is convenient for processing and manufacturing, and the processing speed is fast.

The neatly expanded sleeves on the same side of the two cores with neat notches are connected as a whole through the outer step base at the bottom. The integration of the two slots with neatly expanded cores is realized through the outer stepped base, which reduces the number of parts and simplifies the structure.

The two sides of the limiting pressure sleeve, the welding backing plate and the pressure plate are provided with welding notches aligned with the welding grooves of the stamped laminations of the stator core. Easy to solder.

The elastic member is a spring. The spring compression effect is good, and the compression failure is not easy to occur after long-term use.

Beneficial effect:

1. It can quickly and conveniently align the punched laminations of the stator core.

2. It is easy to weld, can effectively improve the welding quality, and the outer diameter and notch are straight.

3. Prevent the enameled wire from being damaged when the welding is completed, and the casing is not easy to crack.

4. The structure of the tooling is compact, and the processing is convenient. A variety of power mechanisms can be used to realize the mechanized lithium-ion operation, and the operation is simple and convenient.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a top view structure diagram of the present invention.

Fig. 3 is a schematic diagram of the A-A sectional structure of the present invention.

Fig. 4 is a schematic diagram of the B-B sectional structure of the present invention.

Fig. 5 is a schematic diagram of cooperation between the neatly expanded core in the inner hole and the neatly expanded core in the slot according to the present invention.

In the figure: 1-tooling bottom plate; 2-limiting pressure sleeve; 3-notch neat expansion core; 4-notch neat expansion sleeve; 5-pull pressure plate; 6-welding pressure plate; Screw; 9-Inner hole neat expansion core; 10-Inner hole neat expansion sleeve; 11-Sliding rail; 12-Stator core punching lamination; 13-Spring; 301-Blind hole; Internal thread interface; 901-sliding rail groove; 902-anti-loosening slot.

Detailed ways

The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1-5, a welding tool for aligning the stamped laminations of the stator core of a motor includes a tooling base plate 1, and an inner hole for aligning the inner holes of the stamped laminations 12 of the stator core, which is provided on the tooling base plate 1 The hole alignment die, the slot alignment die for aligning the slots of the stator core punching laminations 12, the pressing mechanism for realizing the inner hole alignment die and the slot alignment die for alignment. Realize the alignment of the inner holes and slots of the stator core punching laminations 12 by the inner hole alignment die and the slot alignment die through the pressing mechanism, which can effectively improve the alignment speed and quality of the stator core punching laminations 12, In turn, the welding quality is improved, and the overall quality of the stator core is effectively improved.

In order to realize the straightening of stator core punching laminations 12, the inner hole alignment mold includes a vertically movable inner hole alignment expansion core 9 and two symmetrically arranged inner hole alignment expansion sleeves arranged outside the inner hole alignment expansion core 9 10. The inner hole neatly expanding sleeve 10 can move horizontally, the inner hole neatly expanding core 9 and the inner hole neatly expanding sleeve 10 cooperate through the upper, lower and lower tapered surfaces, and the inner hole neatly expanding core 9 is provided with a vertical central axis hole; The notch alignment mold includes two symmetrical alignment modules arranged on both sides of the inner hole alignment mould, and the alignment modules on each side include a vertically movable notch alignment core 3 and a notch alignment expansion core 3. The two horizontally movable notches on both sides of the core 3 are neatly expanded, and the notches are neatly expanded. The core 3 and the notches on both sides are neatly expanded. The top surface of the neat expansion core 3 is provided with a blind hole 301 for placing elastic parts; the center of the tooling bottom plate 1 is provided with a through hole, and the pressing mechanism includes the central through hole of the tooling bottom plate 1 and the central axis of the inner hole of the neat expansion core 9 The drawing screw rod 8 of hole, be located at inner hole neatly expand core 9 tops and draw and press plate 5 that is connected with drawing screw rod 8 tops, be located at the elastic part in the top surface blind hole 301 of notch neatly expand core 3.

In order to realize the horizontal movement, the tooling base plate 1 is provided with a slide rail 11 for horizontally moving the inner hole neat expansion sleeve 10 and the notch neat expansion sleeve 4, and the bottom of the inner hole neat expansion sleeve 10 and the notch neat expansion sleeve 4 A chute matching with the slide rail 11 is provided. Through the cooperation of the slide rail 11 and the chute, when the inner hole neatly expands the sleeve 10 and the notch neatly expands the sleeve 4 when they are vertically pressed, it is convenient to realize directional movement.

In order to prevent vertical movement, the lower part of the notch neatly expanded sleeve 4 is protruded with an outer step base, and the bottom of the inner hole neatly expanded sleeve 10 is provided with an inner step that is slidingly matched with the outer step base, and the inner hole neatly expanded sleeve 10 There is an outer step protruding from the lower part of the tooling base plate 1. A limit pressure sleeve 2 is provided with an inner step. The inner step of the limit pressure sleeve 2 presses the outer step of the inner hole neatly expanding sleeve 10 and realizes Slip fit. Through the sliding fit between the steps, the vertical movement of the notch neat expansion sleeve 4 and the inner hole neat expansion sleeve 10 is prevented, and only horizontal movement is allowed.

In order to reduce the size and weight of the parts, the spacer pressure sleeve 2 and the tooling base plate 1 are connected and fixed by hexagonal socket bolts from bottom to top. The hexagon socket bolt connection from bottom to top reduces the step thickness of the limit pressure sleeve 2, and only needs to be screwed to fix the thickness, and the tail handle of the hexagon socket bolt can sink into the counterbore of the tooling base plate 1, effectively reducing the size and weight of the parts.

In order to facilitate alignment and welding, the top of the limit pressure sleeve 2 is provided with a welding backing plate 7 for placing the stator core punching laminations 12, and a detachable backing plate 7 is provided above the welding backing plate 7 to prevent the stator core from welding. The loose welding press plate 6 of punching lamination sheet 12. The welding backing plate 7 is convenient for placing the stator core laminations 12. After the stator core laminations 12 are placed, the welding pressure plate 6 cover is pressed on the top of the stator core laminations 12. When aligning and welding, the stator iron The core punched laminations 12 will not be separated upwards, which facilitates alignment and welding of the stator core punched laminations 12 .

In order to realize vertical movement, vertical slide rail grooves 901 are arranged on both sides of the inner hole neatly expanding the core 9, and the notch neatly expanding the core 3 can slide up and down and is arranged in the slide rail groove 901. Through the structure of the slide rail groove 901, it is convenient to realize the vertical sliding of the neatly expanded core 3 in the notch relative to the neatly expanded core 9 in the inner hole.

In order to prevent the sideways movement of the notch neat expansion core 3, the inner two corners of the slide rail groove 901 are provided with vertically penetrating anti-off slots 902. An anti-off vertical rail 302 that is inserted into the anti-off slot 902 and realizes vertical sliding fit is provided. Through the cooperation of the anti-off slot 902 and the anti-off vertical rail 302, the lateral movement of the neatly expanded core 3 is prevented, and the vertical movement of the neatly expanded core 3 is realized.

For the convenience of manufacture, the anti-off slot 902 is an arc hole, and the anti-off vertical rail 302 is an arc column rail. The arc hole structure is easy to process.

In order to facilitate the connection with the power device, the center of the lower end of the pull screw 8 is provided with an internal thread interface 801 . The inner threaded interface 801 at the center of the lower end of the pulling screw rod 8 is convenient to be connected with the threaded shaft end of the power unit, and the automatic pulling and pressing of the stator core punching laminations 12 is realized by the power unit.

In order to facilitate processing, the bottom chute of the inner hole neatly expanding the sleeve 10 and the notch neatly expanding the sleeve 4 is a lateral through groove. The through groove is convenient for processing and manufacturing, and the processing speed is fast.

In order to simplify the structure, the same-side slots 4 of the two neatly expanded cores 3 are connected as a whole through the outer step base at the bottom. The integration of the two slots with neat expansion cores 3 is realized through the outer step base, which reduces the number of parts and simplifies the structure.

In order to facilitate welding, the two sides of the limiting pressure sleeve 2, the welding backing plate 7 and the pressure plate are provided with welding notches aligned with the welding grooves of the stator core punching laminations 12. Easy to solder.

During alignment and welding operations, first put the corresponding number of stator core punching pieces over the inner hole alignment mold and the slot alignment mold, stack them on the welding backing plate 7, and cover the welding pressure plate 6, start the power device, The power device drives the pulling screw 8 to pull down, and the pulling screw 8 drives the pulling and pressing plate 5 to move down. The pulling and pressing plate 5 presses down the notch and the core 3 through the spring, and through the cooperation of the tapered surface, the notch and the notch and the core 3 press the grooves on both sides. The neat expansion sleeve 4 moves horizontally to both sides, so that the notch of the stator core punching lamination 12 is aligned, the tension and compression plate 5 continues to press down, the elastic member continues to compress, the tension and compression plate 5 presses the inner hole and the neat expansion core 9 is downward Move, through the cooperation of the tapered surface, the inner hole is neatly expanded. The core 9 makes the inner holes on both sides are neatly expanded. Welding can be done quickly and efficiently, and the welding quality can be effectively improved.

In this example, in order to obtain a better compression effect, the elastic member is a spring 13 . The compression effect of the spring 13 is good, and compression failure is not easy to occur after long-term use.

In this example, the power device is an oil cylinder.

The straightening and welding tooling for punching laminations of a motor stator core shown in Figures 1-5 above is a specific embodiment of the present invention, which has already reflected the substantive features and progress of the present invention, and can be used in this application according to actual needs. Under the enlightenment of the invention, the equivalent modification of its shape, structure and other aspects are all within the scope of protection of this scheme.

Claims (10)

1. what a kind of motor stator core rushed lamination manages welding tooling, it is characterised in that：Including tool base plate, it is set to tooling bottom The neat mould of endoporus, the notch for managing stator core stamping lamination notch for managing stator core stamping lamination endoporus on plate Neat mould, the hold-down mechanism that neat action is carried out for realizing the neat mould of endoporus and the neat mould of notch.

2. what a kind of motor stator core according to claim 1 rushed lamination manages welding tooling, it is characterised in that：It is described The neat mould of endoporus to include that vertically movable endoporus is neat rise by core and several on the outside of the neat core that rises of endoporus are symmetrically set The neat ringfeder of endoporus set, the endoporus is neat to rise by core and the neat ringfeder of endoporus by up big and down small cone match, described Endoporus it is neat rise core be equipped with vertical central shaft hole；The neat mould of the notch includes two of the both sides for being set to the neat mould of endoporus Symmetrically neat module, per side neat module include a vertically movable notch it is neat rise core and set on notch it is neat Rise two of core both sides can horizontal direction movement the neat ringfeder of notch, the notch is neat, and the rise notch of core and both sides neat rises It is equipped with by cone match small under upper size, the top surface of the neat core that rises of each notch for placing the blind of elastic component between set Hole；The center of the tool base plate is equipped with through-hole, and the hold-down mechanism includes across tool base plate central through hole and endoporus The drawing screw rod of the neat core axle hole that rises, set on endoporus it is neat rise at the top of core and with the tension and compression plate for drawing screw tip connect, set on notch Elastic component in the top surface blind hole of the neat core that rises.

3. what a kind of motor stator core according to claim 2 rushed lamination manages welding tooling, it is characterised in that：It is described Tool base plate be equipped with the sliding rail for making the neat ringfeder of endoporus and notch neat ringfeder horizontal direction movement, the endoporus is neat The bottom of whole ringfeder and the neat ringfeder of notch is equipped with the sliding slot to match with sliding rail.

4. what a kind of motor stator core according to claim 2 rushed lamination manages welding tooling, it is characterised in that：It is described The lower part evagination of the neat ringfeder of notch have an outer step pedestal, the bottom of the neat ringfeder of the endoporus is equipped with and the outer step base The interior step that seat sliding matches, the lower part evagination of the neat ringfeder of the endoporus have outer step, the tool base plate to be equipped with Pressing sleeve is limited, the limit pressing sleeve is equipped with interior step, and the interior step of the limit pressing sleeve pushes down the outer of the neat ringfeder of endoporus Step and realize be slidably matched.

5. what a kind of motor stator core according to claim 4 rushed lamination manages welding tooling, it is characterised in that：It is described Limit pressing sleeve and tool base plate between be connected and fixed by hexagon socket head cap screw from bottom to top.

6. what a kind of motor stator core according to claim 4 rushed lamination manages welding tooling, it is characterised in that：It is described The top of limit pressing sleeve be equipped with composition backing for placing stator core stamping lamination, the top of the composition backing is equipped with The removable lining welding pressing plate for preventing stator core stamping lamination from loosening when welding.

7. what a kind of motor stator core according to claim 2 rushed lamination manages welding tooling, it is characterised in that：It is described The both sides of the neat core that rises of endoporus be equipped with vertical sliding-rail groove, the neat core that rises of the notch can slide up and down set on sliding-rail groove In.

8. what a kind of motor stator core according to claim 7 rushed lamination manages welding tooling, it is characterised in that：It is described Sliding-rail groove inside two corners at be equipped with vertical perforative anticreep slot, on the sliding rail of the neat core that rises of the notch with slot Same position, which is equipped with, to be inserted into slot and realizes that the anticreep for sliding vertically cooperation erects rail.

9. what a kind of motor stator core according to claim 8 rushed lamination manages welding tooling, it is characterised in that：It is described Slot be circular hole, anticreep erect rail be circular arc column rail.

10. what a kind of motor stator core according to claim 2 rushed lamination manages welding tooling, it is characterised in that：Institute The lower end center for the drawing screw rod stated is equipped with internal thread interface.