阅读说明：本技术 一种集中绕组的分块式电机定子铁芯装配焊接工装 (Concentrated winding's sectional type motor stator core assembly welding frock ) 是由 王增元 王长江 于 2019-12-25 设计创作，主要内容包括：本发明公开了一种集中绕组的分块式电机定子铁芯装配焊接工装，包括成型抱箍、铁芯内圆定位芯棒和分块定子铁芯，所述成型抱箍上设置有定位凸台，所述成型抱箍的侧部开设有铁芯焊接槽，所述成型抱箍的侧部设置有两组锁紧板，所述分块定子铁芯上开设有分块定子铁芯自扣槽，所述铁芯内圆定位芯棒上开设有端部绕组放置凹槽，所述铁芯内圆定位芯棒上设置有第一铁芯外径控制法兰台，所述铁芯内圆定位芯棒上设置有抱箍端部定位台。本发明可以不需要压装设备和工装，即可对定子铁芯锁紧，效率大大提高，而且对铁芯上的绕组没有磕碰、绝缘损害的风险，保证铁芯装配焊接质量，大大提高了定子铁芯焊接的成品率。(The invention discloses a block type motor stator core assembling and welding tool for concentrated windings, which comprises a forming hoop, an iron core inner circle positioning core rod and block type stator cores, wherein a positioning boss is arranged on the forming hoop, an iron core welding groove is formed in the side part of the forming hoop, two groups of locking plates are arranged on the side part of the forming hoop, block type stator core self-buckling grooves are formed in the block type stator cores, an end winding placing groove is formed in the iron core inner circle positioning core rod, a first iron core outer diameter control flange platform is arranged on the iron core inner circle positioning core rod, and an anchor hoop end positioning platform is arranged on the iron core inner circle positioning core rod. The stator core can be locked without press-fitting equipment and tools, the efficiency is greatly improved, the risk of collision and insulation damage to windings on the core is avoided, the assembly welding quality of the core is ensured, and the yield of stator core welding is greatly improved.)

1. The utility model provides a concentrated winding's sectional type motor stator core assembly welding frock, includes circle location plug (2) and sectional stator core (3) in shaping staple bolt (1), the iron core, its characterized in that: the iron core forming device is characterized in that a welding seam positioning boss (4) is arranged on the forming hoop (1), an iron core welding groove (5) is formed in the side portion of the forming hoop (1), two groups of locking plates (6) are arranged on the side portion of the forming hoop (1), the two groups of locking plates (6) are fixedly connected through bolts (7), a block stator iron core self-buckling groove (8) is formed in the block stator iron core (3), a stator iron core positioning groove (18) is formed in the block stator iron core (3), the welding seam positioning boss (4) is fixedly connected with the stator iron core positioning groove (18) in a clamping mode, iron core assembling and positioning grooves (9) and iron core assembling and positioning lugs (10) are respectively formed in two opposite sides of the block stator iron core (3), an end winding placing groove (11) is formed in the iron core inner circle positioning core (2), a first iron core outer diameter control flange (12) is arranged on the iron core inner circle positioning core, be provided with staple bolt tip location platform (13) on the interior round positioning plug of iron core (2), be provided with iron core axial positioning boss (14) on the interior round positioning plug of iron core (2), be provided with piecemeal iron core arrangement drum (15) on the interior round positioning plug of iron core (2), shaping staple bolt (1) is through locking plate (6) and bolt (7) fixed joint on staple bolt tip location platform (13), and the lateral wall of first iron core external diameter control flange platform (12) is inconsistent with the inner wall of shaping staple bolt (1).

2. The assembling and welding tool for the concentrated winding segmented motor stator core according to claim 1, is characterized in that: the upper surface of the hoop end positioning table (13) is set to be a horizontal plane.

3. The assembling and welding tool for the concentrated winding segmented motor stator core according to claim 1, is characterized in that: the stator core blocks (3) are arranged on the iron core axial positioning boss (14) around the stator core block arranging cylinders (15), and the two adjacent stator core blocks (3) are clamped and fixed through the iron core assembling and positioning grooves (9) and the iron core assembling and positioning lugs (10).

4. The assembling and welding tool for the concentrated winding segmented motor stator core according to claim 1, is characterized in that: and the forming hoop (1) is fixedly provided with an iron core outer diameter control upper end ring (16) through a locking plate (6) and a bolt (7) in a clamping manner.

5. The assembling and welding tool for the concentrated winding segmented motor stator core according to claim 1, is characterized in that: iron core welding groove (5) are provided with and are no less than six groups, and the equidistance is arranged on the lateral wall of shaping staple bolt (1).

6. The assembling and welding tool for the concentrated winding segmented motor stator core according to claim 4, is characterized in that: and the iron core outer diameter control upper end ring (16) is provided with a second iron core outer diameter control flange platform (17), and the side wall of the second iron core outer diameter control flange platform (17) is inconsistent with the inner wall of the forming hoop (1).

Technical Field

The invention belongs to the technical field of stator core assembling and welding, and particularly relates to a block type motor stator core assembling and welding tool for a concentrated winding.

Background

In the design development process of motor, stator core's assembly welding is a very important ring in the motor, assembly welding frock need be used when assembly welding, what present assembly welding frock adopted is excircle fixed sleeve, the assembly is supporting and dismantles ejecting sleeve cooperation and uses, fix by excircle fixed sleeve and assembly sleeve, the piecemeal stator core that the wire winding was accomplished passes through the preliminary shaping back of shaping frock, in the excircle fixed sleeve is impressed through excircle fixed sleeve oblique angle, fix stator core with set screw, through welding groove welding stator core, at last through dismantling ejecting fashioned stator core of welding of cover. Before the block stator iron core is welded into a whole round stator, a stator winding coil is wound on the block stator iron core, and a plurality of lead-out wires are arranged, so that the insulation of the stator winding is easily damaged during press mounting, and the press mounting efficiency is low; the inner diameter size of the outer circle fixing sleeve is difficult to guarantee, the concentricity and the ovality of the inner diameter and the outer diameter of the whole circle stator core after press mounting are difficult to guarantee, the size requirements of the inner circle and the outer circle are difficult to guarantee, the performance of a motor is greatly influenced, and the quality of a product is difficult to guarantee; when the welded stator core is ejected by the ejection sleeve, the stator core is easily twisted, the verticality of the core is difficult to meet the requirement, the insulation damage of a winding is easily caused when the core is ejected, and the yield of products is not high.

Disclosure of Invention

The invention aims to provide a block type motor stator core assembling and welding tool for concentrated windings, which can lock a stator core without press-fitting equipment and tools, greatly improve the efficiency, avoid the risks of collision and insulation damage to the windings on the core, ensure the assembling and welding quality of the core, and greatly improve the yield of stator core welding so as to solve the problems in the background art.

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

a block type motor stator core assembling and welding tool for concentrated windings comprises a forming hoop, an iron core inner circle positioning core rod and a block type stator core, wherein a positioning boss is arranged on the forming hoop, an iron core welding groove is formed in the side portion of the forming hoop, two groups of locking plates are arranged on the side portion of the forming hoop and fixedly connected through bolts, a block type stator core self-buckling groove is formed in the block type stator core, a stator core positioning groove is formed in the block type stator core, a welding seam positioning boss is clamped and fixed with the stator core positioning groove, iron core assembling and positioning grooves and iron core assembling and positioning lugs are respectively arranged on two opposite sides of the block type stator core, an end winding placing groove is formed in the iron core inner circle positioning core rod, and a first iron core outer diameter control flange platform is arranged on the iron core inner circle positioning core rod, the iron core inner circle positioning core rod is provided with a hoop end positioning table, an iron core axial positioning boss is arranged on the iron core inner circle positioning core rod, a partitioned iron core tidying cylinder is arranged on the iron core inner circle positioning core rod, the forming hoop is fixedly clamped on the hoop end positioning table through a locking plate and a bolt, and the side wall of the first iron core outer diameter control flange table is abutted to the inner wall of the forming hoop.

Preferably, the upper surface of the hoop end positioning table is set to be a horizontal plane.

Preferably, the stator cores are arranged on the iron core axial positioning boss around the stator core arranging cylinder, and the two adjacent stator cores are clamped and fixed with the iron core assembling and positioning lug through the iron core assembling and positioning groove.

Preferably, the forming hoop is fixedly provided with an iron core outer diameter control upper end ring through a locking plate and a bolt in a clamping manner.

Preferably, the iron core welding groove is provided with and is no less than six groups, and the equidistance is arranged on the lateral wall of shaping staple bolt.

Preferably, the iron core outer diameter control upper end ring is provided with a second iron core outer diameter control flange platform, and the side wall of the second iron core outer diameter control flange platform is inconsistent with the inner wall of the forming hoop.

Compared with the prior art, the invention has the beneficial effects that:

1. the locking plate is locked by the bolts through the formed hoop, press-fitting equipment and tools are not needed, the assembly efficiency is greatly improved, and the windings on the stator core cannot be collided and the risk of insulation damage is avoided in the locking process through the use of the end winding placing grooves;

2. the upper end ring and the core inner circle positioning core rod are controlled by the core outer diameter, so that the first core outer diameter control flange platform and the second core outer diameter control flange platform can limit the locking inner diameter of the forming hoop, the stator core outer diameter is effectively controlled, the locking force of the forming hoop can be controlled by the bolt locking torque, and the forming quality of the stator core is ensured;

3. through the use of the bolt, can be simple and convenient take off the shaping staple bolt, circle location plug and stator core are clearance fit in through the iron core in, strike the iron core in gently and fix a position the plug, can take off the stator core after the shaping, great improvement work efficiency, great reduction the stator core spoilage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the forming hoop of the present invention;

FIG. 3 is a schematic structural view of a segmented stator core of the present invention;

fig. 4 is a partial cross-sectional view of the forming hoop of the present invention.

In the figure: 1. forming the anchor ear; 2. positioning a core rod in the inner circle of the iron core; 3. a segmented stator core; 4. a welding seam positioning boss; 5. an iron core welding groove; 6. a locking plate; 7. a bolt; 8. the stator core blocks are self-buckled with slots; 9. assembling a positioning groove on the iron core; 10. assembling a positioning lug on the iron core; 11. the end winding placing groove; 12. a first iron core outer diameter control flange platform; 13. a hoop end positioning table; 14. the iron core axially positions the boss; 15. arranging cylinders for the block iron cores; 16. an iron core outer diameter control upper end ring; 17. a second iron core outer diameter control flange platform; 18. stator core constant head tank.

Detailed Description

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. 1-4, the present invention provides a technical solution:

a block type motor stator core assembling and welding tool for concentrated windings comprises a forming hoop 1, an iron core inner circle positioning core rod 2 and a block type stator core 3, wherein a welding seam positioning boss 4 is arranged on the forming hoop 1, the welding seam positioning boss 4, the forming hoop 1 and a locking plate 6 are of an integrated structure, the welding seam positioning boss 4 can position the circumferential position of the stator core, an iron core welding groove 5 is ensured to be aligned with the welding seam position of the stator core, the assembled block type stator core 3 is convenient to weld, the iron core welding groove 5 is arranged on the side portion of the forming hoop 1, no less than six groups of iron core welding grooves 5 are arranged on the side wall of the forming hoop 1 at equal intervals, the outer circle of the stator core can be welded through the iron core welding groove 5 during iron core welding, two groups of locking plates 6 are arranged on the side portion of the forming hoop 1, and the two groups of locking plates 6 are fixedly connected through bolts 7, the stator core 3 is provided with a stator core self-buckling groove 8, the stator core 3 is provided with a stator core positioning groove 18, a welding seam positioning boss 4 is clamped and fixed with the stator core positioning groove 18 to position the circumferential position of the stator core and ensure that an iron core welding groove 5 is aligned with the welding seam position of the stator core, so that the assembled stator core 3 is convenient to weld, two opposite sides of the stator core 3 are respectively provided with an iron core assembling and positioning groove 9 and an iron core assembling and positioning lug 10, the stator core 3, the iron core assembling and positioning groove 9 and the iron core assembling and positioning lug 10 are of an integrated structure, the iron core inner circle positioning core rod 2 is provided with an end winding placing groove 11, the end winding placing groove 11 is used for placing a stator winding coil and can protect the insulating outer layer of the winding coil, the iron core positioning core rod 2 is provided with a first inner circle outer diameter control flange table 12, the first iron core external diameter control flange platform 12 is used for controlling the external diameter of the formed round stator iron core, the iron core inner circle positioning core rod 2 is provided with an anchor ear end positioning platform 13, the iron core inner circle positioning core rod 2 is provided with an iron core axial positioning boss 14, the iron core inner circle positioning core rod 2 is provided with a block iron core arranging cylinder 15, the block iron core arranging cylinder 15 is used for annularly arranging the block stator iron core 3 on the iron core inner circle positioning core rod 2 around the external diameter of the block iron core arranging cylinder 15, the forming anchor ear 1 is fixedly clamped on the anchor ear end positioning platform 13 through a locking plate 6 and a bolt 7, and the side wall of the first iron core external diameter control flange platform 12 is abutted against the inner wall of the molding hoop 1, and the first iron core external diameter control flange platform 12, the hoop end positioning platform 13, the iron core axial positioning boss 14, the block iron core arranging cylinder 15 and the iron core internal circle positioning core rod 2 are of an integrated structure.

The upper surface of the hoop end positioning table 13 is set to be a horizontal plane, so that the outer diameter of the full-circle stator core can be prevented from being inclined.

The stator core blocks 3 are arranged on the core axial positioning boss 14 around the stator core block arranging cylinder 15, and the two adjacent stator core blocks 3 are clamped and fixed through the iron core assembling and positioning groove 9 and the iron core assembling and positioning lug 10.

The forming hoop 1 is fixedly provided with an iron core outer diameter control upper end ring 16 through a locking plate 6 and a bolt 7 in a clamping mode, the iron core outer diameter control upper end ring 16 is provided with a second iron core outer diameter control flange platform 17, the second iron core outer diameter control flange platform 17 and the iron core outer diameter control upper end ring 16 are of an integrated structure, the second iron core outer diameter control flange platform 17 controls the whole-circle stator iron core outer diameter size after forming, and the side wall of the second iron core outer diameter control flange platform 17 is inconsistent with the inner wall of the forming hoop 1.

The structure principle is as follows: by forming the hoop 1 and locking the locking plate 6 by using the bolt 7, press-fitting equipment and tools are not needed, the assembly efficiency is greatly improved, and by using the end winding placing groove 11, the winding on the stator core cannot be collided and the risk of insulation damage is avoided in the locking process; through the use of the iron core outer diameter control upper end ring 16 and the iron core inner circle positioning core rod 2, the first iron core outer diameter control flange platform 12 and the second iron core outer diameter control flange platform 17 can limit the locking inner diameter of the forming hoop 1, the outer diameter of the stator iron core is effectively controlled, the locking force of the forming hoop 1 can be controlled through the locking torsion of the bolt 7, and the forming quality of the stator iron core is ensured; through the use of bolt 7, can be simple and convenient take off shaping staple bolt 1, through the interior circle of circle location plug 2 in the iron core with stator core for clearance fit, strike circle location plug 2 in the iron core gently, can take off the stator core after the shaping, improved work efficiency, great reduction the stator core spoilage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.