CN113972799A - Iron core laminating tool and iron core laminating module - Google Patents

Abstract

The invention discloses an iron core laminating tool which comprises a base for bearing an iron core and a plurality of dovetail keys which are arranged along the circumference and are arranged in a central symmetry mode to be respectively clamped in dovetail grooves of the iron core, wherein the relative positions of the dovetail keys and the base are adjusted along the circumferential radial direction through an adjusting mechanism. This iron core folds and presses frock through adjustment mechanism, with dovetail key connection in base to make can be through the radial activity of dovetail key, in order when the intermediate position, make things convenient for the iron core to put into, and when outwards removing, can fix a position the iron core, and when radial inside removal, can realize fixing the iron core, and then make things convenient for operations such as later stage welding. To sum up, this iron core folds and presses frock can solve present iron core effectively and fold the inconvenient problem of pressure forming. The invention also discloses an iron core laminating module comprising the iron core laminating tool.

Description

Iron core laminating tool and iron core laminating module

Technical Field

The invention relates to the technical field of iron core manufacturing, in particular to an iron core laminating tool and an iron core laminating module comprising the same.

Background

The linear motor for the oilfield equipment is manufactured by combining a plurality of sections of stator cores, so the quality of the manufactured stator cores seriously influences the performance of subsequent complete machine operation, and the manual strength of the large number of manufactured stator cores is high, so that a process mode for batch production and manufacturing is needed.

The existing operation mode is that the punching sheet and the tooth sheet are manually positioned and stacked into the laminating die through the dovetail key for press mounting and manufacturing, and the final die withdrawing mode is also the die withdrawing mode through the manual knocking mode, so that the manual strength is high, the roundness quality of the outer circle of the laminated iron core is low, the subsequent motor operation performance is influenced, and the laminated iron core is not suitable for mass production and manufacturing.

In summary, how to effectively solve the problem of inconvenience in iron core lamination at present is a problem that needs to be solved urgently by those skilled in the art at present.

Disclosure of Invention

In view of the above, a first object of the present invention is to provide an iron core lamination tool, which can effectively solve the problem of inconvenience in iron core lamination at present, and a second object of the present invention is to provide an iron core lamination module including the above iron core lamination tool.

In order to achieve the first object, the invention provides the following technical scheme:

the utility model provides an iron core folds and presses frock, arranges in order to be central symmetry and place in order to be used for respectively going into including the base that is used for bearing the iron core and a plurality of along the circumference dovetail key in the iron core dovetail, the dovetail key with follow through adjustment mechanism between the base the relative position is adjusted to circumference radial direction.

In this iron core folds and presses frock, when using, be applicable to the dovetail and slightly be greater than the iron core of dovetail key portion, then adjust dovetail key radial position through adjustment mechanism to make dovetail key portion be located corresponding dovetail middle part position, then put into the towards piece and the tooth piece of iron core one by one, because dovetail key portion is placed in the middle of, so tooth piece and the dovetail on the towards piece of iron core conveniently overlap and establish on dovetail key portion. After the punching sheet and the tooth sheet are placed, the adjusting mechanism drives the dovetail key to move outwards along the radial direction until the dovetail key abuts against the two side groove walls of the dovetail groove, at the moment, the dovetail key positions the corresponding dovetail groove, and then the whole iron core is positioned; and then, each dovetail key is pushed by the adjusting mechanism to move towards the center until the dovetail key is abutted against the bottom wall of the dovetail groove, and at the moment, each dovetail key shrinks towards the center, so that the iron core is extruded and fixed. This iron core folds and presses frock through adjustment mechanism, with dovetail key connection in base to make can be through the radial activity of dovetail key, in order when the intermediate position, make things convenient for the iron core to put into, and when outwards removing, can fix a position the iron core, and when radial inside removal, can realize fixing the iron core, and then make things convenient for operations such as later stage welding. To sum up, this iron core folds and presses frock can solve present iron core effectively and fold the inconvenient problem of pressure forming.

Preferably, the outer connecting portion of the outer end of the dovetail key in the radial direction is in sliding fit with the base in the radial direction, the adjusting mechanism comprises an adjusting screw and an elastic device, the adjusting screw is in threaded connection with the base and abuts against the outer end of the dovetail key to push the dovetail key to move in the radial direction, and the elastic device is used for preventing the dovetail key from moving in the radial direction.

Preferably, the base includes support base frame and a plurality of edges support the U type seat that base frame circumference was evenly arranged, U type seat is in support the mesa side of base frame is protruding to be set up, external portion is located in the inner tank cavity of U type seat, adjusting screw runs through screw-thread fit between the tank bottom of U type seat sets up and, the elastic device inner with the side of supporting the base frame offsets, the outer end with the dovetail key offsets.

Preferably, the inner side of the dovetail key is provided with a mounting groove for accommodating the elastic device, and the inner end faces of the U-shaped seats are all on the same cylindrical side face.

Preferably, the positioning core die further comprises a positioning core die, a positioning hole is formed in the supporting table surface of the base at the center position of the circumference, the positioning core die comprises a first positioning column matched with the positioning hole and second positioning columns which are arranged at one end of the first positioning column and are coaxial with each other, and the diameter of each second positioning column is smaller than the diameter of the circumference where the inner side surface of each dovetail key is located and larger than the diameter of the first positioning column; the outer diameter of the first positioning column is matched with the inner aperture of the iron core stamped sheet, and the outer diameter of the second positioning column is matched with the inner aperture of the tooth sheet of the iron core.

Preferably, still include first reference column round pin, first reference column round pin with support the mesa and follow support mesa orientation sliding fit, be provided with on the second reference column with first reference column round pin matched with dodges the groove or dodges the hole.

Preferably, the positioning device further comprises a pressing plate, a third positioning column is arranged at one end, away from the first positioning column, of the second positioning column, and the third positioning column is in sliding fit with the middle hole of the pressing plate along the direction of the supporting table top.

Preferably, a screw hole is formed in an end face, away from the second positioning column, of the third positioning column, a second positioning pin extending along the direction of the supporting table top is arranged between the pressing plate and the second positioning column, and two ends of the second positioning pin are respectively inserted into the pressing plate and the second positioning column.

In order to achieve the second object, the invention further provides an iron core laminating module, which comprises any one of the iron core laminating tools and an iron core, wherein the key part of each dovetail key of the iron core laminating tool is respectively positioned in each dovetail groove of the iron core, and the cross section of the key part of each dovetail key is smaller than that of each dovetail groove. Because foretell iron core is folded and is pressed frock and have above-mentioned technological effect, the iron core that has this iron core and fold and press frock is folded the pressure module and should also have corresponding technological effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an iron core laminating tool provided in an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure view of a surface a-a of the iron core lamination tool in fig. 1;

fig. 3 is a schematic cross-sectional structure view of a B-B surface of the iron core lamination tool in fig. 1.

The drawings are numbered as follows:

the die comprises a dovetail key 1, an adjusting screw 2, an elastic device 3, a supporting base 4, a U-shaped seat 5, a positioning core die 6, a first positioning pin 7, a second positioning pin 8, a pressing plate 9, an iron core 10, a punching sheet 101 and a tooth sheet 102.

Detailed Description

The embodiment of the invention discloses an iron core laminating tool, which is used for effectively solving the problem that the existing iron core is inconvenient to laminate and form.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to fig. 3, fig. 1 is a schematic structural diagram of an iron core laminating tool according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure view of a surface a-a of the iron core lamination tool in fig. 1; fig. 3 is a schematic cross-sectional structure view of a B-B surface of the iron core lamination tool in fig. 1.

In an embodiment, the present embodiment provides a core lamination tool, which specifically includes a base and a plurality of dovetail keys 1.

Wherein the base is preferably provided with a support table for supporting the core 10. For better preliminary positioning of the iron core 10, a groove body matched with the periphery of the iron core 10 may be formed, and the outer diameter of the groove body is in clearance fit with the iron core 10 to ensure that the iron core 10 has enough movement allowance. Note that the core 10 includes a plurality of stacked laminations 101 and a plurality of stacked teeth 102, and the dovetail grooves on each lamination 101 and the dovetail grooves on each tooth 102 are aligned.

When the iron core lamination tool is used, the cross section of the key part of the dovetail key 1 is slightly smaller than the cross section of the dovetail groove of the iron core 10 between the selected iron core lamination tool and the target iron core 10. It should be noted that the number of the dovetail keys 1 is not more than the number of the dovetail grooves in the circumferential direction of the core, and may be less than, but at least two dovetail keys 1 are provided, so as to be able to determine the position of the center of the core 10. In particular, three dovetail keys 1 are preferably provided, which are all angled at 120 degrees with respect to each other.

And the dovetail key 1 and the base are adjusted in relative position along the circumferential radial direction through the adjusting mechanism, namely the adjusting mechanism can drive the dovetail key 1 to move towards the center in the radial direction and can also move away from the circumferential center in the radial direction. The dovetail keys 1 may be moved simultaneously toward the center or simultaneously away from the center, or may be moved independently toward the center. Wherein the adjusting mechanism is a combination mechanism of a sliding mechanism and a locking screw, or a combination mechanism of a slider-crank mechanism and a motor, wherein the motor is arranged on the base, and the slider of the slider-crank mechanism is connected with the dovetail key 1.

In the iron core laminating tool, when the tool is used, the tool is suitable for an iron core 10 with a dovetail groove slightly larger than a dovetail key 1 key part, then the radial position of the dovetail key 1 is adjusted through an adjusting mechanism, so that the dovetail key 1 key part is located at the middle position of the corresponding dovetail groove, then punching sheets 101 and tooth sheets 102 of the iron core 10 are put into the tool one by one, and the tooth sheets 102 of the iron core 10 and the dovetail groove on the punching sheet 101 are conveniently sleeved on the dovetail key 1 key part because the dovetail key part is centered. After the punching sheet 101 and the tooth sheet 102 are placed, the adjusting mechanism drives the dovetail key 1 to move outwards along the radial direction until the dovetail key 1 abuts against the two side groove walls of the dovetail groove, at the moment, the dovetail key 1 positions the corresponding dovetail groove, and then the whole iron core 10 is positioned; and then, each dovetail key 1 is pushed by the adjusting mechanism to move towards the center until the dovetail key is abutted against the bottom wall of the dovetail groove, and at the moment, each dovetail key shrinks towards the center, so that the iron core 10 is extruded and fixed. This iron core folds and presses frock through adjustment mechanism, connects dovetail key 1 in the base to make can be through 1 radial activities of dovetail key, in order when the intermediate position, make things convenient for iron core 10 to put into, and when outwards removing, can fix a position iron core 10, and when radial inside removal, can realize fixing iron core 10, and then make things convenient for operations such as later stage welding. To sum up, this iron core folds and presses frock can solve present iron core effectively and fold the inconvenient problem of pressure forming.

It should be noted that, the dovetail key 1 may only include the key portion, that is, the cross section of the dovetail key 1 is only dovetail-shaped. In order to facilitate connection, the dovetail key can not only comprise a key part, but also be provided with an external connection part connected with the key part, wherein the key part is in a structure with a dovetail-shaped cross section. Further, in order to facilitate the radial position adjustment of the dovetail key 1, it is preferable that the dovetail key 1 is mainly composed of two parts, that is, the dovetail key 1 mainly includes a key portion and an external connecting portion located at a radially outer end, wherein the external connecting portion can be directly connected with the key portion, wherein the external connecting portion is preferably rectangular in cross section, and edges joined with short-side ends of the key portion are equal in length and aligned with short-side ends of the key portion, and can be smaller than the latter so as to at least ensure that the external connecting portion can enter from a slot opening of a dovetail groove. The external connection part is in sliding fit with the base along the radial direction of the circumference. The adjusting mechanism comprises an adjusting screw rod 2 and an elastic device 3, wherein the adjusting screw rod 2 is in threaded connection with the base and abuts against the outer end of the dovetail key 1 to push the dovetail key 1 to move radially and can abut against the outer end of the external connection part directly, if the outer end of the key part of the dovetail key 1 is exposed, the outer end of the key part of the dovetail key 1 can also abut against the exposed part of the key part of the dovetail key 1, the elastic device 3 is used for preventing the dovetail key 1 from moving radially inwards, so that when the adjusting screw rod 2 pushes the dovetail key 1 to move radially inwards, the elastic device 3 deforms, and when the adjusting screw rod 2 retreats, the elastic deformation force of the elastic device 3 pushes the dovetail key 1 to move radially outwards.

It should be noted that, when in use, the elastic device 3 should be able to push the key portion of the dovetail key 1 to move to the slot of the dovetail groove of the iron core 10, that is, correspondingly, a dovetail groove may be provided on the support base 4, and the specific position and size of the dovetail groove may both correspond to the position and size of the dovetail groove of the iron core 10, so that each dovetail groove on the support base 4 can be completely aligned with each dovetail groove on the iron core 10, that is, correspondingly, wherein the lower portion of the key portion of the dovetail key 1 is inserted into the dovetail groove on the side surface of the support base 4, and the cross section of the key portion of the dovetail key is smaller than the cross section of the dovetail groove on the support base, so that when the locking screw is loosened, the elastic device 3 can push both sides of the key portion of the dovetail key 1 to abut against both side groove walls of the dovetail groove on the support base 4.

Wherein adjusting screw 2 and resilient means 3 can correspond the installation as required, and specific can form corresponding installation department on the base to the convenience is installed. Specifically, it is preferable that the base includes a support base 4 and a plurality of U-shaped seats 5 uniformly arranged along the circumferential direction of the support base 4, wherein the U-shaped seats 5 are protruded from the table top side of the support base 4, the outer portion of the dovetail key 1 is located in the inner groove cavity of the U-shaped seats 5 and is in sliding fit with the inner groove cavity, the adjusting screw 2 is arranged through the groove bottom of the U-shaped seats 5 and is in threaded fit with the inner groove cavity, the adjusting screw 2 is arranged through the U-shaped seats 5, that is, one end of the adjusting screw 2 is located in the groove cavity of the U-shaped seats and is abutted against the dovetail key 1, and is mainly abutted against the outer portion, and the other end of the adjusting screw 2 is located outside the U-shaped seats 5, so as to conveniently apply torque, and in order to conveniently apply torque, a screw head may be provided. Wherein for better guiding the forces, it is preferred here that the lower part of the dovetail key 1 is in a sliding fit up and down with the support bed 4.

The inner end of the elastic device 3 is propped against the side surface of the supporting base 4, and the outer end of the elastic device is propped against the dovetail key 1, so that the dovetail key 1 is pushed to move outwards in the radial direction. Wherein for the convenience of installing elastic device 3, can make the inboard of dovetail key 1 have the mounting groove that holds elastic device 3, wherein the outer end of elastic device 3 inserts in the mounting groove, and the external diameter cooperatees with the mounting groove to carry on spacingly through the mounting groove, and wherein the inner of elastic device offsets with the side of supporting base 4, also can imbed in supporting base 4 certainly.

Wherein each U-shaped seat 5 is arranged on the table board side of the supporting base table 4 in a protruding way, so that the U-shaped seats 5 still can limit the external connection part of the dovetail key on the table board side of the supporting base table 4. Furthermore, the inner end surfaces of the U-shaped seats 5 are all on the same cylindrical side surface, so as to position the periphery of the iron core 10, that is, the cylindrical side surfaces are matched with the outer side surface of the iron core 10, so as to preliminarily position the punching sheet 101 and the tooth sheet 102 of the iron core 10, and conveniently guide the dovetail grooves of the punching sheet 101 and the tooth sheet 102 to be in butt joint with the key part of the dovetail key 1.

Further, in order to better position the punching sheet 101 and the tooth sheet 102, it is preferable that the positioning core mold 6 is further included, wherein a positioning hole is formed in a circumferential center position of the supporting table surface of the base, that is, the table surface of the supporting base table 4 is formed with a positioning hole. The positioning core mold 6 comprises a first positioning column matched with the positioning hole and a second positioning column arranged at one end of the first positioning column, wherein the first positioning column and the second positioning column are coaxially arranged, the diameter of the second positioning column is smaller than the diameter of the circumference of the inner side face of each dovetail key 1 and larger than the diameter of the first positioning column, so that the outer diameter of the first positioning column can be matched with the inner diameter of a punching sheet 101 of the iron core 10, and the outer diameter of the second positioning column can be matched with the inner diameter of a tooth sheet 102 of the iron core 10.

Further, in order to facilitate circumferential positioning of the punching sheet 101 and/or the tooth sheet 102, it is preferable that the punching sheet further includes a first positioning pin 7, where the first positioning pin 7 is slidably fitted with the supporting platform along the direction of the supporting platform, that is, slidably fitted with a corresponding pin hole on the supporting base 4, and is disposed non-coaxially with the circumference, so as to be capable of positioning in the circumferential direction. Correspondingly, the second positioning column is provided with an avoiding groove or an avoiding hole matched with the first positioning pin 7, and a U-shaped groove is preferably formed in the outer edge of the second positioning column to serve as the avoiding groove.

In order to position each tooth 102 and each punching sheet 101 of the iron core 10 in the axial direction, it is preferable here to further include a pressing plate 9, one end of the second positioning column, which is away from the first positioning column, is provided with a third positioning column, the third positioning column is in sliding fit with the hole in the pressing plate 9 along the direction of the support table top, so as to press down the iron core 10 through the pressing plate 9, and the support table top is arranged facing upward. In practical use, the third positioning column, the second positioning column and the first positioning column are coaxially arranged, the diameters of the second positioning column, the third positioning column and the first positioning column are gradually reduced, the diameter of the pressing plate 9 is larger than that of the second positioning column, and is preferably equal to that of a circle defined by the inner end faces of all the U-shaped seats 5, and in practical use, the diameter of the circle defined by the inner end faces of all the U-shaped seats 5 is slightly larger than that of the outer diameter of the iron core 10 so as to enable clearance fit between the two.

Furthermore, for convenience of installation, it is preferable that a screw hole is formed in an end surface of the third positioning column, which is away from the second positioning column, a second positioning pin 8 extending along the direction of the support table is disposed between the pressing plate 9 and the second positioning column, and two ends of the second positioning pin 8 are respectively inserted into the pressing plate 9 and the second positioning column, so that the pressing plate 9 and the second positioning column are positioned by the second positioning pin.

Based on the iron core laminating tool provided in the above embodiment, the invention further provides an iron core laminating module, which comprises any one of the iron core laminating tools in the above embodiments, and comprises an iron core, wherein key parts of dovetail keys of the iron core laminating tool are respectively located in dovetail grooves of the iron core, and the cross sections of the key parts of the dovetail keys are smaller than the cross sections of the dovetail grooves. Because the iron core laminating tool in the above embodiment is adopted by the iron core laminating module, the beneficial effects of the iron core laminating module please refer to the above embodiment.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The utility model provides an iron core folds and presses frock which characterized in that arranges in order to be central symmetry including the base that is used for bearing the weight of the iron core and a plurality of along the circumference and places in order to be used for respectively the card to go into the dovetail key in the iron core dovetail, the dovetail key with follow through adjustment mechanism between the base the relative position is adjusted to circumference radial direction.

2. The iron core laminating tool according to claim 1, wherein an outer connecting portion of a radially outer end of the dovetail key is in sliding fit with the base in a radial direction, the adjusting mechanism includes an adjusting screw and an elastic device, the adjusting screw is in threaded connection with the base and abuts against the outer end of the dovetail key for pushing the dovetail key to move in the radial direction, and the elastic device is used for preventing the dovetail key from moving in the radial direction.

3. The iron core laminating tool according to claim 2, wherein the base comprises a support base and a plurality of U-shaped seats uniformly arranged along the circumferential direction of the support base, the U-shaped seats are arranged in a protruding manner on the table-board side of the support base, the external connecting part is located in an inner groove cavity of each U-shaped seat, the adjusting screw rods penetrate through the groove bottoms of the U-shaped seats and are in threaded fit with each other, the inner ends of the elastic devices abut against the side surfaces of the support base, and the outer ends of the elastic devices abut against the dovetail keys.

4. The iron core lamination tool according to claim 3, wherein the dovetail key has a mounting groove on the inner side for receiving the elastic device, and the inner end faces of the U-shaped seats are all on the same cylindrical side face.

5. The iron core laminating tool according to any one of claims 1-4, further comprising a positioning core mold, wherein a positioning hole is formed in the center of the circumference of the supporting table surface of the base, the positioning core mold comprises a first positioning column matched with the positioning hole and a second positioning column arranged at one end of the first positioning column and coaxially arranged with each other, and the diameter of the second positioning column is smaller than the diameter of the circumference of the inner side surface of each dovetail key and larger than the diameter of the first positioning column; the outer diameter of the first positioning column is matched with the inner aperture of the iron core stamped sheet, and the outer diameter of the second positioning column is matched with the inner aperture of the tooth sheet of the iron core.

6. The iron core laminating tool according to claim 5, further comprising a first positioning pin, wherein the first positioning pin is in sliding fit with the supporting table surface along the direction of the supporting table surface, and an avoiding groove or an avoiding hole matched with the first positioning pin is formed in the second positioning pin.

7. The iron core laminating tool according to claim 6, further comprising a pressing plate, wherein a third positioning column is arranged at one end, away from the first positioning column, of the second positioning column, and the third positioning column is in sliding fit with the hole in the pressing plate along the direction of the supporting table top.

8. The iron core laminating tool according to claim 7, wherein a screw hole is formed in an end face of the third positioning column, which is far away from the second positioning column, a second positioning pin extending along the direction of the supporting table top is arranged between the pressing plate and the second positioning column, and two ends of the second positioning pin are respectively inserted into the pressing plate and the second positioning column.

9. An iron core laminating die set, comprising an iron core, and characterized by further comprising the iron core laminating tool according to any one of claims 1-8, wherein the key part of each dovetail key of the iron core laminating tool is respectively positioned in each dovetail groove of the iron core, and the cross section of the key part of each dovetail key is smaller than that of each dovetail groove.

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